CN107685073A - A kind of concentrated combustion formula original position thermal desorption prosthetic device for contaminated site - Google Patents
A kind of concentrated combustion formula original position thermal desorption prosthetic device for contaminated site Download PDFInfo
- Publication number
- CN107685073A CN107685073A CN201710879465.2A CN201710879465A CN107685073A CN 107685073 A CN107685073 A CN 107685073A CN 201710879465 A CN201710879465 A CN 201710879465A CN 107685073 A CN107685073 A CN 107685073A
- Authority
- CN
- China
- Prior art keywords
- gas
- well
- hot
- air
- soil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 86
- 238000003795 desorption Methods 0.000 title claims abstract description 54
- 239000007789 gas Substances 0.000 claims abstract description 137
- 239000007788 liquid Substances 0.000 claims abstract description 92
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000000926 separation method Methods 0.000 claims abstract description 74
- 239000004567 concrete Substances 0.000 claims abstract description 69
- 238000010438 heat treatment Methods 0.000 claims abstract description 55
- 238000009833 condensation Methods 0.000 claims abstract description 47
- 230000005494 condensation Effects 0.000 claims abstract description 47
- 239000002680 soil gas Substances 0.000 claims abstract description 42
- 239000002351 wastewater Substances 0.000 claims abstract description 42
- 238000011084 recovery Methods 0.000 claims abstract description 38
- 230000001105 regulatory effect Effects 0.000 claims abstract description 34
- 238000012546 transfer Methods 0.000 claims abstract description 29
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 24
- 238000001179 sorption measurement Methods 0.000 claims abstract description 21
- 239000002918 waste heat Substances 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 238000009287 sand filtration Methods 0.000 claims abstract description 15
- 238000000605 extraction Methods 0.000 claims description 136
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 78
- 239000002689 soil Substances 0.000 claims description 57
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 37
- 238000002156 mixing Methods 0.000 claims description 28
- 239000006004 Quartz sand Substances 0.000 claims description 23
- 238000005345 coagulation Methods 0.000 claims description 21
- 230000015271 coagulation Effects 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 20
- 230000008439 repair process Effects 0.000 claims description 19
- 239000000284 extract Substances 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 16
- 239000000945 filler Substances 0.000 claims description 14
- 239000011381 foam concrete Substances 0.000 claims description 14
- 229910000278 bentonite Inorganic materials 0.000 claims description 13
- 239000000440 bentonite Substances 0.000 claims description 13
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 13
- 238000001704 evaporation Methods 0.000 claims description 13
- 230000008020 evaporation Effects 0.000 claims description 13
- 238000011049 filling Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 9
- 238000005188 flotation Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 7
- 239000010453 quartz Substances 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- 230000000570 adjustive effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 31
- 230000007812 deficiency Effects 0.000 abstract description 6
- 239000003570 air Substances 0.000 description 190
- 241000196324 Embryophyta Species 0.000 description 42
- 239000003344 environmental pollutant Substances 0.000 description 35
- 231100000719 pollutant Toxicity 0.000 description 35
- 238000012545 processing Methods 0.000 description 27
- 238000011065 in-situ storage Methods 0.000 description 21
- 238000000034 method Methods 0.000 description 18
- 239000003921 oil Substances 0.000 description 18
- 238000001556 precipitation Methods 0.000 description 18
- 239000000446 fuel Substances 0.000 description 17
- 238000010276 construction Methods 0.000 description 15
- 238000013461 design Methods 0.000 description 15
- 230000003647 oxidation Effects 0.000 description 15
- 238000007254 oxidation reaction Methods 0.000 description 15
- 239000000356 contaminant Substances 0.000 description 13
- 230000033228 biological regulation Effects 0.000 description 12
- 238000009434 installation Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 230000009183 running Effects 0.000 description 10
- 239000004568 cement Substances 0.000 description 9
- 239000003610 charcoal Substances 0.000 description 9
- 238000001514 detection method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 241000209094 Oryza Species 0.000 description 7
- 235000007164 Oryza sativa Nutrition 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000003814 drug Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 235000009566 rice Nutrition 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 239000000295 fuel oil Substances 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 238000009529 body temperature measurement Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000005416 organic matter Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000000701 coagulant Substances 0.000 description 4
- 239000002283 diesel fuel Substances 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000032798 delamination Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000003209 petroleum derivative Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 239000002969 artificial stone Substances 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001151 other effect Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000003802 soil pollutant Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009298 carbon filtering Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
- B09C1/065—Reclamation of contaminated soil thermally by pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Soil Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of concentrated combustion formula original position thermal desorption prosthetic device for contaminated site, includes burning heat transfer and waste heat recovery unit, extracting condensation and gas-liquid separation unit, subsurface flow control unit, soil gas control unit, exhaust gas treatment unit, treatment unit for waste water.Burning heat transfer and waste heat recovery unit include hot-blast stove, gas-gas heat exchanger, air blower, air-introduced machine, aiutage, heating gang of wells.Extracting condensation and gas-liquid separation unit include extracting gang of wells, heat exchange condensing plant, gas-liquid separation equipment, deentrainment tower, vavuum pump.Subsurface flow control unit is water-stop curtain.Soil gas control unit is concrete layer.Exhaust gas treatment unit includes adsorption plant and blower fan.Treatment unit for waste water includes regulating reservoir, combination pond, sand filtration apparatus, carbon filtration equipment, discharge bay.Provided by the present invention for the concentrated combustion formula original position thermal desorption prosthetic device of contaminated site, can overcome the deficiencies in the prior art, obtain more preferable repairing effect.
Description
Technical field
The present invention relates to a kind of contaminated site prosthetic device, in particular it relates to a kind of concentrated combustion for contaminated site
Formula original position thermal desorption prosthetic device.
Background technology
It is organic that thermal desorption (Thermal Desorption) technology is widely portable to volatile organic matter, half volatile
Thing, the original position of petroleum hydrocarbon or mercury pollution place or showering.The technology is by way of directly or indirectly heating, by dirt
Dye soil and/or underground water are heated to the boiling point close to even more than target contaminant, are held by control system temperature and high temperature
The continuous time selectively promotes target contaminant to desorb, gasify, volatilize, decompose or increase its mobility, makes target contaminant
Separate, remove with soil media, so as to realize the purpose of contaminated site reparation.
Thermal desorption recovery technique in situ can be implemented in contaminated site original position, without carrying out the work such as excavating to contaminated soil
Industry, mainly it is made up of place In Situ Heating unit, pollutant extracting with recovery unit and waste water/exhaust gas treatment unit etc..Its
Middle place In Situ Heating unit is the core of thermal desorption technology in situ, and it passes through in the venue by electric energy, heat energy or chemical energy
Generated heat etc. various forms of energy with In-situ resistance, in-situ heat conduction heating or situ steam after electric heating conversion or burning heat production
The modes such as injected with heated convert or are transferred to contaminated site, contaminated soil and/or underground water is progressively heated up and reach target
Repair temperature and maintain certain time, to remove so as to which soil media of the target contaminant from script preservation is separated.In high temperature
Under the conditions of extraction system can by target contaminant by the form of underground water or SOIL GAS from underground pollution zone-transfer to ground
Reclaimed, or pass through qualified discharge after waste water/exhaust gas treatment unit processing.Pollution level and field of the technology to pollutant
Ground geology and hydrogeologic condition are insensitive, can effectively repair the Pollution Field of heavily contaminated, geology and complicated hydrogeological conditions
Ground.
At present, thermal desorption recovery technique in situ at home contaminated site repair in engineer applied it is still relatively limited, limit
The main reason for making its popularization and application be the provisional extensive electricity consumption in part place be not easy to obtain, vapor injection heating desorption
Technology is vulnerable to that the limitation of Geological condition and the target temperature upper limit, energy cost needed for In Situ Heating be higher, place underground
The soil gas that current are difficult to control, are desorbed out is not easy effectively trapping and pollution environment of escaping, the pollutant that extracts condense back
Receive that less efficient, caused high humility waste gas is not disposable, the complicated all difficulties such as more intractable of wastewater property.
The content of the invention
It is an object of the invention to provide a kind of contaminated site prosthetic device, is primarily adapted for use in various volatile organic matters, half
The soil underground water in-situ immobilization engineering of volatile organic matter, petroleum hydrocarbon or mercury pollution place, can overcome existing in-situ heat
It is desorbed recovery technique existing deficiency in actual applications.
In order to achieve the above object, the invention provides a kind of concentrated combustion formula original position thermal desorption for contaminated site to repair
Apparatus for coating, wherein, described device includes burning heat transfer and waste heat recovery unit, extracting condensation and gas-liquid separation unit, underground
Flow cavitation result unit, soil gas control unit, exhaust gas treatment unit, treatment unit for waste water and pipeline;Described burning passes
Heat and waste heat recovery unit include hot-blast stove, gas-gas heat exchanger, air blower, air-introduced machine, aiutage and heating gang of wells;Described
Extracting condensation and gas-liquid separation unit include extracting gang of wells, heat exchange condensing plant, gas-liquid separation equipment, deentrainment tower and vacuum
Pump;Described extracting gang of wells includes some extracting well casings, is vertically mounted on if described extracting well casing includes in contaminated site
Dry vertical shaft type extraction well, and some horizontal well formula extraction wells being horizontally arranged in Polluted area topsoil;Described extracting
Opened up respectively on well casing some along the evenly spaced sieve aperture in well casing direction or screen slot;Described subsurface flow control unit is included and set
Put the water-stop curtain in the Polluted area periphery for needing to repair;Described soil gas control unit includes and is arranged on contaminated site
Ground on covering Polluted area concrete layer;Described exhaust gas treatment unit includes adsorption plant and blower fan;Described
Treatment unit for waste water includes the regulating reservoir set gradually, combination pond, sand filtration apparatus, carbon filtration equipment and discharge bay.
The above-mentioned concentrated combustion formula original position thermal desorption prosthetic device for contaminated site, wherein, described burning heat transfer
With waste heat recovery unit, its hot-blast stove is provided with combustion air inlet, secondary air inlet and hot-blast outlet;Described gas-gas heat exchanger
Exported provided with hot wind inlet, cold wind import, exhaust outlet and Secondary Air, the outlet of described Secondary Air passes through the two of pipeline and hot-blast stove
Secondary wind inlet connection;Described heating gang of wells includes some heated wells, and described heated well is provided with hot-wind inlet and hot blast is arranged
Mouthful, the hot-wind inlet of heated well is connected by the hot-blast outlet of pipeline and hot-blast stove respectively, and hot blast row's mouth of heated well leads to respectively
Piping is connected with aiutage or gas-gas heat exchanger hot wind inlet, and the exhaust outlet of gas-gas heat exchanger connects also by pipeline and aiutage
Connect;Described aiutage is connected with air-introduced machine;Described air blower includes combustion fan and air intake blower fan, described combustion fan
At the combustion air inlet of hot-blast stove, described air intake blower fan is arranged at the cold wind import of gas-gas heat exchanger.Hot blast
Valve is provided with the combustion air inlet and secondary air inlet of stove, being provided with pressure sensitive at hot-blast outlet pops one's head in.Described hot blast
Stove is centralized hot-blast stove, using natural gas, oil gas or diesel oil etc. as fuel, produces high-temperature hot-air by burning fuel and makees
For In Situ Heating thermal source.Burner is provided with described hot-blast stove, combustion chamber, mixing chamber are burner hearth.For larger heat
Wind furnace, combustion air input hot-blast stove from combustion air inlet in proportion according to fuel feed by air blower, pass through burner
Fuel combustion is produced into high-temperature hot-air;For small-sized air heating furnace, combustion air negative pressure as caused by being run system end air-introduced machine
Combustion air inlet is sucked, air imbibed quantity is adjusted manually by adjusting the valve opening size at combustion air inlet.It is fresh
Secondary Air by system end air-introduced machine run and in the mixing chamber of hot-blast stove caused negative pressure from secondary air inlet suck, or
Hot-blast stove is directly sent into by gas-gas heat exchanger using special air blower.The hot blast temperature come out of the stove from hot-blast outlet passes through regulation
The mode of valve opening size is adjusted at burner load or regulation secondary air inlet.The pressure set at hot-blast outlet
Inductive probe, when detecting pressure herein higher than the negative pressure value set, burner can be closed automatically, when pressure herein is less than setting
Burner can automatic start during the negative pressure value put.Hot blast caused by hot-blast stove is complete by installation heated well in the venue and soil
Into indirect heat exchange, the hot blast for completing heat exchange is discharged into air by the effect of air-introduced machine from aiutage, or enters and be arranged on hot-blast stove
The gas-gas heat exchanger of secondary air inlet front end, air is discharged by aiutage again after being exchanged heat with fresh cold wind.Each hot blast
Stove is connected with a heated well or several heated wells respectively;Between several heated wells being connected with same hot-blast stove simultaneously
Connection, or be arranged to connect between adjacent heated well.I.e., it is possible to centralized hot-blast stove is flexibly set with heating the configuration shape of gang of wells
Formula, including a hot-blast stove are equipped with a heated well;Or a hot-blast stove is equipped with multiple heated wells, multiple heated wells and through transport
OK, and by valve regulated the hot blast rate for entering each heated well is as balanced as possible;Adjacent heated well also can series operation, high temperature
Hot blast is re-fed into after another heated well continues heat exchange after a heated well finishes changing heat and discharged again.
The above-mentioned concentrated combustion formula original position thermal desorption prosthetic device for contaminated site, wherein, described heated well, its
To subsurface, vertical or it is obliquely installed, is arranged in the horizontal plane with triangle or square arrangement, group from ground in contaminated site
Into heating gang of wells;The depth of heated well is more than the depth for the Polluted area for needing to repair.Preferably, the well spacing of heated well is in 1-
Between 3m, the depth ratio of heated well needs the depth depth 0.3-0.5m in the target stains region repaired.Described heated well is interior
Outer concentric tubes structure, comprising outer tube and inner tube, annular gap, inner tube are left between the madial wall of outer tube and the lateral wall of inner tube
Bottom be higher than outer pipe bottom, outer pipe bottom is provided with bottom, and interior bottom of the tube is not set the opening of bottom;Preferably, outer tube caliber
100-140cm, inner tube diameter 75-90cm;Interior bottom of the tube and the spacing of outer pipe bottom are 20-30cm.Described outer tube is arranged on
Pre-set in contaminated site by ground native hole downwards, being left between the lateral wall of outer tube and native hole madial wall between ring-type
Gap, filler is filled with it.Preferably, it is provided between the lateral wall of outer tube and native hole madial wall between the ring-type that thickness is 10-20cm
Gap, described filler are quartz sand or haydite, are popped one's head in described filler provided with some highly different thermocouple temperature measurements.That is,
There is 10-20cm space when heated well is installed between the native hole of outer tube and probing, directly insert quartz sand, or insert haydite.
Thermocouple temperature measurement is set to pop one's head at different depth between filler.Be above the ground level at the top of heated well, the top of heated well be provided with
The hot-wind inlet of hot-blast stove connection;Heated well be above the ground level part side wall be provided with hot blast row mouth.Described hot blast row's mouth is set
There is hot blast regulating valve.High-temperature hot-air introduces heated well by the suction function of system end air-introduced machine and heated, high-temperature hot-air
The well casing bottom of heated well is first from top to bottom sent into through inner tube, then by the space between inner tube and outer tube with from bottom to top turning back back
Face, from hot blast row's mouth discharge after the hot blast regulating valve of a side.When filler temperature reaches a higher setting temperature
When can turn or close automatically the hot blast control valve opening of heated well end down by electric-control system;When filler temperature reaches one
Relatively low setting temperature can be automatically turned on or be tuned up hot blast control valve opening by electric-control system.Described electric-control system is preferred
For STM32F407 single-chip microcomputers.
The above-mentioned concentrated combustion formula original position thermal desorption prosthetic device for contaminated site, wherein, described extracting condensation
And gas-liquid separation unit, it extracts gang of wells and is connected by pipeline with heat exchange condensing plant, and it is cold that gas-liquid separation equipment is arranged on heat exchange
The rear end of solidifying equipment, deentrainment tower and vavuum pump are set gradually after heat exchange condensing plant and gas-liquid separation equipment;Described changes
Hot condensing plant includes evaporation type air cooling tower and gas-liquid heat-exchange;Described gas-liquid separation equipment is inertial gas-liquid separator;It is logical
The fixed gas crossed after gas-liquid separation equipment and heat exchange condensing plant condensation separation enters vavuum pump, again through vavuum pump after deentrainment tower
Follow-up exhaust gas treatment unit is sent into, the condensed fluid after separation passes through pipeline to treatment unit for waste water;Described extraction well
Group, the secondary air inlet that its soil gas extracted can directly be sent into hot-blast stove by pipeline carries out burning processing, or passes through
The secondary air inlet of hot-blast stove is fed gas into after heat exchange condensing plant and gas-liquid separation equipment condensation recovery section pollutant again
Carry out burning processing, or after heat exchange condensing plant and gas-liquid separation equipment condensation recovery section pollutant again by waste gas at
Qualified discharge after reason cell processing.Exchange heat condensing plant and gas-liquid separation equipment composition multi-stage condensing separation equipment;Described is more
Level condensation separation equipment, is sequentially connected between its is at different levels;The first order includes the pipeline of connection extracting gang of wells and after pipeline
An inertial gas-liquid separator;The second level includes evaporation type air cooling tower and an inertia gas after evaporation type air cooling tower
Liquid/gas separator;The third level includes gas-liquid heat-exchange and an inertial gas-liquid separator after gas-liquid heat-exchange.Namely
Say, multi-stage condensing separation equipment, nature of the first order condensation separation using air to ground extraction well pipe can be flexibly set
Cooling effect, it is followed by an inertia-type gas-liquid separator i.e. one-level moisture trap;Second level condensation separation is with evaporation type air cooling
Tower is followed by an inertia-type gas-liquid separator i.e. two level moisture trap as heat exchange condensing plant;Third level condensation separation with
For gas-liquid heat-exchange as heat exchange condensing plant, the low temperature chilled water provided by the use of handpiece Water Chilling Units is followed by an inertia as refrigerant
Formula gas-liquid separator is three-level moisture trap.Vavuum pump use the dry type with certain excessively stream heating ability claw or
Roots type vacuum pump, there is certain excessively stream heating ability, vacuum pump outlet gas temperature slightly raises, but can substantially reduce
The relative humidity of gas, it is favorably improved the adsorption efficiency of subsequent adsorbtion equipment.Described deentrainment tower is provided with mesh mist eliminator, folding
Any one in flowing plate demister or rotational flow plate defroster.Deentrainment tower is mainly used in removing the remaining tiny liquid of on-condensible gas
Drop, the processing load of subsequent adsorbtion unit is further reduced, improve charcoal absorption efficiency, while protect vavuum pump from liquid
Corrosion.The gas access of deentrainment tower and activated carbon adsorber is all located at bottom, and gas vent is located at tower top.Described extracting gang of wells
It is that will extract well casing by extracting house steward to be connected with multi-stage condensing separation equipment, forms described extracting gang of wells;Vertical shaft type extracts
Well and horizontal well formula extraction well vertical interlaced are distributed in in a piece of contaminated site and covering whole Polluted area.Extracting gang of wells passes through
Suction caused by the vavuum pump of cell end carries out vacuum extraction.
The above-mentioned concentrated combustion formula original position thermal desorption prosthetic device for contaminated site, wherein, described extracting gang of wells,
If its vertical shaft type extraction well be separately mounted to pre-set in contaminated site by ground dry ground hole downwards;Vertical shaft type extracts
Well arranges that well spacing is 1-3m in horizontal layout in the form of triangle or square;The well casing of vertical shaft type extraction well
Bentonite to ground is filled filled with quartz sand between lateral wall and the madial wall in native hole and at the top of quartz sand and carries out sealing of hole;Stone
The packed height of sand and sieve aperture on the well casing of vertical shaft type extraction well or the setting span scope of screen slot are basically identical.Vertical shaft type is taken out
Carry opened up on the well casing of well it is some along the evenly spaced sieve aperture in well casing direction or screen slot;The setting of sieve aperture or screen slot on well casing across
Degree vertically covers whole Polluted area and is provided with bottom plate, base plate thickness than Polluted area bottom depth 0.3-0.5m, the bottom of well casing
About 30cm.Well casing does not open up sieve aperture or screen slot above Polluted area to the part between ground, i.e. top uncontamination region is
The well casing of not perforate.Described vertical shaft type extraction well includes two kinds of association extraction well and independent extraction well, each association extraction well
It is arranged on a heated well in a native hole, its bottom is than heating the depth of bottom beyond 1m or so;Each independent extracting
Well is provided separately within a native hole.High-temperature hot-air caused by hot-blast stove introduces heated well by the suction function of air-introduced machine and carried out
Heating, high-temperature hot-air complete indirect heat exchange by heated well and soil, so as to improve heated well by way of heat transfer
The soil and/or underground water temperature on well casing periphery, the hot blast for completing heat exchange are discharged using air-introduced machine.The hole diameter of association extraction well is
25-40cm;The top of described association extraction well is externally provided with a threeway on ground, i.e. association extraction well is set after elevating above the soil
One threeway, two ports of export of threeway are respectively provided with valve, and one of port of export connection extracts house steward, and another port of export is straight
Logical air or compressed air gas source.The starting stage is run in vacuum extraction facility, is opened between association extraction well and extracting house steward
Valve, close the valve being connected with air or compressed air gas source;In the system operation middle and later periods, the valve closed between extracting house steward
Door, the valve that association extraction well is connected with air or compressed air gas source is opened, fresh air or injection pressure are sucked from air
Contracting air is as disturbance wind.The hole diameter of described independent extraction well is 80-100cm, described independent extraction well and extracting house steward
It is connected, valve is provided between independent extraction well and extracting house steward.
The above-mentioned concentrated combustion formula original position thermal desorption prosthetic device for contaminated site, wherein, described extracting gang of wells,
Its horizontal well formula extraction well is separately positioned in some horizontal channels dug in Polluted area topsoil;Well casing both ends are set respectively
There is branch pipe, be connected by branch pipe with extracting house steward, branch pipe is provided with switch valve.It is filled between the lateral wall and soil of well casing
Quartz sand, filling bentonite in the groove above quartz sand.The hole diameter of described horizontal well formula extraction well is 45-55cm, is preferably
50cm, the depth of burying of horizontal well formula extraction well to ground is 0.2-0.5m, and well spacing is 2-5m, and level covers whole Polluted area
Top layer.
The above-mentioned concentrated combustion formula original position thermal desorption prosthetic device for contaminated site, wherein, described subsurface flow
Control unit, its water-stop curtain are made up of twin shaft or three axle concrete mixing piles, described cement-soil-stirred pile from ground to
Underground vertical sets and forms wall type structure and surrounds Polluted area, the depth depth 1-2m of its depth ratio Polluted area, described
Cement-soil-stirred pile is provided with bilayer, and internal layer uses cellular concrete, and outer layer uses normal concrete, and described internal layer is against pollution
Regional extent is set, and the distance between outer layer and internal layer are preferably 45~55cm, and well-points dewatering is additionally provided between outer layer and internal layer
Facility.That is, subsurface flow is realized by the form of the periphery of restoring area in the original location setting water-stop curtain.Water-stop curtain is using double
Axle or three axle concrete mixing piles, depth is from earth's surface up under Polluted area bottom at 1-2m.Stirred using the concrete of bilayer
Stake is mixed, first layer is that internal layer is laid against restoring area, is stirred pile driving construction using cellular concrete, the second layer is that outer layer is set
Put in first layer periphery about at 50cm, pile driving construction is stirred using normal concrete.Well point is set to drop between two layers of mixing pile
Drainage facility, 1-2m under precipitation depth to Polluted area bottom.Described well-points dewatering facility is included and set from ground to underground vertical
The dewatering well put, and the suction pump that setting is connected on the ground and with dewatering well.Dewatering well is beaten for lowering of watertable
Well, suction pump groundwater abstraction is connected after having beaten, reduces the water level of underground water.Cement-soil-stirred pile is that one kind for the treatment of of soft foundation has
Effect form, it is a kind of host using cement as curing agent, cement jet is entered into the soil body using mixing pile machine and is sufficiently stirred, makes water
With soil a series of physical chemical reaction occurs for mud, weak soil is hardened and is improved foundation strength.Cement-soil-stirred pile mixing pile is by master
The construction way to be used is divided into single shaft, twin shaft and three axes agitating pile.Normal concrete (normal concrete) refer generally to
Cement is major gelled material, with water, sand, stone, mixes chemical admixture and mineral admixture if necessary, matches somebody with somebody by proper proportion
Close, the artificial stone formed by uniform stirring, closely knit shaping and maintenance hardening.Cellular concrete (Foamed Cement) is
Foaming agent is mechanically fully foamed by the foamed system of air bubble machine, and foam is uniformly mixed with cement mortar, then
Cast-in-place construction is carried out by the pumping system of foaming machine or mould molding, the one kind formed through natural curing contain a large amount of closings
The novel light insulation material of stomata.
The above-mentioned concentrated combustion formula original position thermal desorption prosthetic device for contaminated site, wherein, described soil gas
Control unit, the horizontally disposed scope of its concrete layer has more 1~2m than the respective edges of Polluted area, and is mixed with described
Solidifying native mixing pile is tightly connected.Described concrete layer is divided into two layers up and down;Lower floor is cellular concrete, thickness 15-30cm;
Upper strata is normal concrete, thickness 10-20cm.Described concrete layer is setting the position of heated well and vertical shaft type extraction well
Corresponding hole is reserved, is provided with service sleeve in described hole, heated well and vertical shaft type extraction well pass through described pre-buried set
Filling bentonite is sealed after concrete curing between Guan Bingyu service sleeves.That is, restoring area surface in the original location is passed through
The form of concrete layer is set to realize soil gas control, earth's surface concrete layer horizontal extent has more each side 1- of restoring area
2m, it is tightly connected with cement-soil-stirred pile.Concrete layer is set two layers, and lower floor 13 is cellular concrete, thickness 15-30cm;Upper strata
For normal concrete, thickness 10-20cm.Concrete layer is in the position of all heated wells and vertical shaft type extraction well in installation process
Or the position reserving hole that other pipelines pass through, service sleeve, preferably steel service sleeve or iron hoop are set in hole.Heated well
Service sleeve is passed through with vertical shaft type extraction well, by filling bentonite come close after concrete curing between service sleeve and well casing
Envelope.
The above-mentioned concentrated combustion formula original position thermal desorption prosthetic device for contaminated site, wherein, described exhaust-gas treatment
Unit, its adsorption plant and fans in series;Described adsorption plant includes some activated carbon adsorbers;Described charcoal absorption
Tower serial or parallel connection is set.Preferably, gas detecting instrument is provided with fan outlet, gas is discharged after detection is up to standard.Inhale
Applying equipment is connected with vacuum pump outlet by pipeline, and the connecting pipe is provided with gas sampling device.Described charcoal absorption
Tower is arranged to some levels of series connection, and every grade sets some activated carbon adsorbers in parallel.Preferably, activated carbon adsorber passes through two
Level series operation or the form operation of two groups of switchings in parallel, improve the utilization rate of exhaust gas active-carbon, strengthen anti-load impact performance
With operational flexibility.Described activated carbon adsorber is provided with some drawer structures that can be replaced, and activity is provided with drawer structure
Charcoal.Namely the activated carbon adsorber removes fixed gas using the drawer type design for being easy to activated carbon to change by suction-operated
In contaminant remaining after qualified discharge air.
The above-mentioned concentrated combustion formula original position thermal desorption prosthetic device for contaminated site, wherein, described wastewater treatment
Unit, it is cell structure that it, which combines pond, and each lattice are set to coagulation area, precipitation-air-flotation area, chemical oxidation area successively;Described coagulation area
Medicine machine provided with dosing coagulant, agitator is additionally provided with described coagulation area.It is provided with described precipitation-air-flotation area oblique
Pipe settling vessel and air floatation machine.Described chemical oxidation area, which is provided with, adds the medicine machine of oxidant, in described chemical oxidation area
It is additionally provided with agitator.Coagulation, precipitation/air supporting and Advanced oxidation technologies are carried out in the form of pond is combined in reaction, combination pond passes through
The design of multiple lattices, realize dosing coagulation, precipitation/air supporting, the different running method of chemical oxidation.Described regulating reservoir is logical
Action of Gravity Field is crossed by the gravity oil removal sedimentary adjustive pool of each composition precipitated and separated in sewage;Described regulating reservoir is preferably vertical
Tubular construction.Delivery port is respectively equipped with the liquid level for each layering that described regulating reservoir is formed in heterogeneity, it is described
Regulating reservoir is respectively equipped with thief hatch in each water outlet.The water outlet of each delivery port collects is passed through combination pond again in the duct.Using
The form of oil removal sedimentary adjustive pool carries out water quality and quantity regulation and gravity oil removal precipitation, and delivery port is equipped with adopting in different liquid levels
Sample mouth, it is suitable to be selected according to the solid particulate matter delamination such as possible lightweight oils, heavy oils and silt in waste water
Water exit position.Described sand filtration apparatus is quartz filter;Quartz filter, scientific name shallow media filter (English:
Shallow medium filter), it be by the use of quartz sand as filter medium, it is under pressure, turbidity is higher
Water passes through the quartz sand filtration of certain thickness granular or non-grain, the effective suspension retained in removing water, organic matter, colloid
Particle, microorganism, chlorine, odor and part heavy metal ion etc., being finally reached reduces water turbidity, one kind height for the effect that purifies water
Imitate filter plant.Described carbon filtration equipment is active carbon filter.Active carbon filter is a kind of more common water treatment facilities,
It is a kind of filtering apparatus of tank body, shell is generally stainless steel or fiberglass, inside filling activated carbon, in filter water
Educt, microorganism, part heavy metal ion, and can effectively reduce the colourity of water.Described discharge bay is set provided with water quality detection
Standby, treated waste water is stored temporarily in discharge bay, and pipe of being received after detection is up to standard discharges.Described regulating reservoir, combination pond, sand
Each processing equipments such as filter equipment, carbon filtration equipment and discharge bay are respectively provided with bypass and surmount pipeline, are easy to operation operation to be adjusted flexibly.
There is advantages below provided by the present invention for the concentrated combustion formula original position thermal desorption prosthetic device of contaminated site:
The device is primarily adapted for use in various volatile organic matters, semi-volatile organic matter, petroleum hydrocarbon or mercury pollution place
Soil underground water in-situ immobilization engineering, for existing thermal desorption recovery technique in situ existing deficiency in actual applications, energy
Enough reach using conventional fuel as energy source, efficiency of energy utilization is high, place subsurface flow is easy to control, soil gas can effectively be caught
Collection, pollutant condensation recovery and pollutant treatment efficiency high, system equipment are simple and safe, secondary pollution is controllable, repair
Effect is good and other effects.
The device belongs to combustion-type original position thermal desorption recovery technique field, by different fuel by way of heat production of burning
The chemical energy of (oil gas, natural gas or diesel oil etc.) is converted to heat energy, directly passes through heat using high-temp combustion flue gas as heat carrier
The mode of conduction conducts heat to underground via the heated well of contaminated site installation in situ, so as to improve place temperature and realize
The purpose that the desorption of target contaminant and extracting remove.High-temperature flue gas caused by the thermal desorption recovery technique of combustion-type original position can reach
To 750-900 DEG C, the contaminated site soil moisture reaches as high as more than 600 DEG C after indirect heat exchange and heat transfer, and there is the energy to hold
Easily obtain, system is safe and reliable, thermal desorption temperature is high, repairing effect is good, pollutant concentration such as does not rebound at the outstanding feature after reparation,
Have broad application prospects.
Brief description of the drawings
Fig. 1 is the structural representation of the concentrated combustion formula original position thermal desorption prosthetic device for contaminated site of the present invention.
Fig. 2 be the present invention the concentrated combustion formula original position thermal desorption prosthetic device for contaminated site burning heat transfer with it is remaining
Heat recovery units structural representation.
Fig. 3 is that the heating well construction of the concentrated combustion formula original position thermal desorption prosthetic device for contaminated site of the present invention shows
It is intended to.
Fig. 4 is that the extracting condensation of the concentrated combustion formula original position thermal desorption prosthetic device for contaminated site of the present invention is gentle
Liquid separative element structural representation.
Fig. 5 is the extraction well tubular construction of the concentrated combustion formula original position thermal desorption prosthetic device for contaminated site of the present invention
Schematic diagram.
Fig. 6 is the horizontal well formula extraction well of the concentrated combustion formula original position thermal desorption prosthetic device for contaminated site of the present invention
Enlarged section.
Fig. 7 is the horizontal well formula extraction well of the concentrated combustion formula original position thermal desorption prosthetic device for contaminated site of the present invention
Section partial enlarged drawing.
Fig. 8 is the exhaust gas treatment unit of the concentrated combustion formula original position thermal desorption prosthetic device for contaminated site of the present invention
Structural representation.
Fig. 9 is the treatment unit for waste water of the concentrated combustion formula original position thermal desorption prosthetic device for contaminated site of the present invention
Structural representation.
Embodiment
The embodiment of the present invention is further described below in conjunction with accompanying drawing.
As shown in figure 1, provided by the present invention for the concentrated combustion formula original position thermal desorption prosthetic device of contaminated site, comprising
Burning heat transfer and waste heat recovery unit, extracting condensation and gas-liquid separation unit, subsurface flow control unit, soil gas control are single
Member, exhaust gas treatment unit, treatment unit for waste water and pipeline.Burning heat transfer and waste heat recovery unit include hot-blast stove 17, gas gas
Heat exchanger 5, air blower, air-introduced machine 6, aiutage 11 and heating gang of wells.Extracting condensation and gas-liquid separation unit include extraction well
Group, heat exchange condensing plant, gas-liquid separation equipment, deentrainment tower 64 and vavuum pump 42;Extract gang of wells and include some extracting well casings 41,
Extracting well casing 41 includes some vertical shaft type extraction wells 43 being vertically mounted in contaminated site, and is horizontally arranged at Polluted area
Some horizontal well formula extraction wells 45 in 16 topsoils;Opened up respectively on extracting well casing 41 some evenly spaced along well casing direction
Sieve aperture or screen slot 46.Subsurface flow control unit includes the water-stop curtain for being arranged on the periphery of Polluted area 16 for needing to repair.Soil
Earth gas control unit includes the concrete layer 12 for the covering Polluted area 16 being arranged on the ground of contaminated site.Exhaust-gas treatment
Unit includes adsorption plant and blower fan 66.Treatment unit for waste water includes the regulating reservoir 70 set gradually, combination pond 71, sand filtration are set
Standby, carbon filtration equipment and discharge bay 72.
As shown in Fig. 2 the hot-blast stove 17 of burning heat transfer and waste heat recovery unit is provided with combustion air inlet 19, Secondary Air enters
Mouth 20 and hot-blast outlet 21;Gas-gas heat exchanger 5 is provided with hot wind inlet 22, cold wind import 23, exhaust outlet 24 and Secondary Air outlet 25,
Secondary Air outlet 25 is connected by pipeline with the secondary air inlet 20 of hot-blast stove 17;Heating gang of wells includes some heated wells 1, heats
Well 1 is provided with hot-wind inlet 8 and hot blast row's mouth 9, and the hot-wind inlet 8 of heated well 1 passes through pipeline and the hot blast of hot-blast stove 17 respectively
The connection of outlet 21, hot blast row's mouth 9 of heated well 1 are connected by pipeline and aiutage 11 or the hot wind inlet 22 of gas-gas heat exchanger 5 respectively
Connect, the exhaust outlet 24 of gas-gas heat exchanger 5 is connected also by pipeline with aiutage 11;Aiutage 11 is connected with air-introduced machine 6;Air blower
Comprising combustion fan 26 and air intake blower fan 27, combustion fan 26 is arranged at the combustion air inlet 19 of hot-blast stove 17, air intake wind
Machine 27 is arranged at the cold wind import 23 of gas-gas heat exchanger 5.The combustion air inlet 19 of hot-blast stove 17 is provided with the first valve 28, and two
The second valve 29 and the 3rd valve 30 are provided with secondary wind inlet 20, the second valve 29 is arranged on the pipeline for being introduced directly into air,
3rd valve 30 is arranged on the pipeline between the Secondary Air outlet 25 of gas-gas heat exchanger 5 and the secondary air inlet 20 of hot-blast stove 17
On, pressure sensitive is provided with hot-blast outlet 21 and is popped one's head in.
Hot-blast stove 17 is centralized hot-blast stove 17, using natural gas, oil gas or diesel oil etc. as fuel, is fired by burning
Material produces high-temperature hot-air as In Situ Heating thermal source.Burner is provided with hot-blast stove 17, combustion chamber, mixing chamber are burner hearth.For
Larger hot-blast stove 17, combustion air input heat from combustion air inlet 19 in proportion by air blower according to fuel feed
Wind furnace 17, fuel combustion is produced by high-temperature hot-air by burner;For small-sized air heating furnace 17, combustion air is drawn by system end
Blower fan 6 runs caused negative pressure suction combustion air inlet 19, is opened by adjusting the first valve 28 at combustion air inlet 19
Degree size adjusts air imbibed quantity manually.Fresh Secondary Air is run and in the mixing of hot-blast stove 17 by system end air-introduced machine 6
Negative pressure caused by interior sucks from secondary air inlet 20, or is directly sent into heat by gas-gas heat exchanger 5 using special air blower
Wind furnace 17.From the hot blast temperature that hot-blast outlet 21 is come out of the stove by adjusting burner load or regulation secondary air inlet 20 everywhere second
The mode of valve 29 and the aperture size of the 3rd valve 30 is adjusted.The pressure sensitive probe set at hot-blast outlet 21, when
Detect that burner can close automatically when pressure is higher than the negative pressure value set herein, when pressure is less than the negative pressure value set herein
Burner can automatic start.
Hot blast caused by hot-blast stove 17 completes indirect heat exchange by the heated well 1 of installation in the venue with soil, completes to change
The hot blast of heat is discharged into air by the effect of air-introduced machine 6 from aiutage 11, or enters and be arranged on the secondary air inlet 20 of hot-blast stove 17
The gas-gas heat exchanger 5 of front end, air is discharged by aiutage 11 again after being exchanged heat with fresh cold wind.Gas-gas heat exchanger 5 is with adding
The hot wind inlet 22 that hot well 1 connects, and the exhaust outlet 24 being connected with aiutage 11 are respectively equipped with the 4th valve 35.Gas-gas heat exchange
The pipeline that the pipeline and gas-gas heat exchanger 5 that device 5 is connected with heated well 1 are connected with aiutage 11 is also attached, and provided with the 4th
Valve 35.
Each hot-blast stove 17 is connected with a heated well 1 or several heated wells 1 respectively;It is connected with same hot-blast stove 17
Several heated wells 1 between it is in parallel, or be arranged to connect between adjacent heated well 1.I.e., it is possible to centralization heat is flexibly set
The collocation form of wind furnace 17 and heating gang of wells, including a hot-blast stove 17 are equipped with a heated well 1;Or a hot-blast stove 17 is matched somebody with somebody
Standby multiple heated wells 1, multiple parallel runnings of heated well 1, and by being arranged on the hot blast regulating valve 10 of the hot blast of heated well 1 row's mouth 9
The hot blast rate that regulation enters each heated well 1 is as balanced as possible;Adjacent heated well 1 also can series operation, high-temperature hot-air is through one
Heated well 1 is finished changing to be re-fed into after heat after another heated well 1 continues heat exchange and discharged again.
As shown in figure 3, heated well 1 to subsurface, vertical or is obliquely installed in contaminated site from ground, in the horizontal plane with
Triangle or square arrangement arrangement, composition heating gang of wells;The depth of heated well 1 is more than the depth for the Polluted area 16 for needing to repair
Degree.Preferably, for the well spacing of heated well 1 between 1-3m, the depth ratio of heated well 1 needs the target stains region 16 repaired
Depth depth 0.3-0.5m.Heated well 1 is inside and outside concentric tubes structure, includes outer tube 3 and inner tube 2, the madial wall and inner tube of outer tube 3
Annular gap is left between 2 lateral wall, the bottom of inner tube 2 is higher than the bottom of outer tube 3, and the bottom of outer tube 3 is provided with bottom 4, the bottom of inner tube 2
Portion is the opening for not setting bottom 4;Preferably, the caliber 100-140cm of outer tube 3, the caliber 75-90cm of inner tube 2;The bottom of inner tube 2 with it is outer
The spacing of the bottom of pipe 3 is 20-30cm.Outer tube 3 be arranged on pre-set in contaminated site by ground native hole downwards, outer tube
Annular gap is left between 3 lateral wall and native hole madial wall, is filled with filler 7 in it.Preferably, the lateral wall of outer tube 3 and soil
The annular gap that thickness is 10-20cm is provided between the madial wall of hole, filler 7 is quartz sand or haydite, is provided with filler 7 some high
Spend different thermocouple temperature measurement probes.That is, there is 10-20cm space when heated well 1 is installed between the native hole of outer tube 3 and probing, directly
Connect and insert quartz sand, or insert haydite.Thermocouple temperature measurement is set to pop one's head at different depth between filler 7.The top of heated well 1
Portion is above the ground level, and the top of heated well 1 is provided with the hot-wind inlet 8 being connected with hot-blast stove 17;Heated well 1 is above the ground level the side of part
Wall is provided with hot blast row's mouth 9.Hot blast row's mouth 9 is provided with hot blast regulating valve 10.The negative pressure that high-temperature hot-air passes through system end air-introduced machine 6
Effect introduces heated well 1 and heated, and high-temperature hot-air is first from top to bottom sent into the well casing bottom of heated well 1 through inner tube 2, then passes through
Space between inner tube 2 and outer tube 3 is from bottom to top turned back back ground, and mouth is arranged from hot blast after the hot blast regulating valve 10 of a side
9 discharges.Heated well can be turned or close automatically down by electric-control system when the temperature of filler 7 reaches a higher setting temperature
The aperture of hot blast regulating valve 10 of 1 end;When the temperature of filler 7 reaches a relatively low setting temperature can be automatic by electric-control system
Open or tune up the aperture of hot blast regulating valve 10.Electric-control system is preferably STM32F407 single-chip microcomputers.
As shown in figure 4, the extracting gang of wells of extracting condensation and gas-liquid separation unit is connected by pipeline with heat exchange condensing plant,
Gas-liquid separation equipment is arranged on the rear end of heat exchange condensing plant, is set gradually after heat exchange condensing plant and gas-liquid separation equipment
Deentrainment tower 64 and vavuum pump 42;Heat exchange condensing plant includes evaporation type air cooling tower 58 and gas-liquid heat-exchange 59;Gas-liquid separation equipment
For inertial gas-liquid separator;By the fixed gas after gas-liquid separation equipment and heat exchange condensing plant condensation separation after deentrainment tower 64
Into vavuum pump 42, be again sent into follow-up exhaust gas treatment unit through vavuum pump 42, the condensed fluid after separation by pipeline extremely
Treatment unit for waste water;Gang of wells is extracted, the Secondary Air that its soil gas extracted can directly be sent into hot-blast stove 17 by pipeline enters
Mouth 20 carries out burning processing, or again by gas after heat exchange condensing plant and gas-liquid separation equipment condensation recovery section pollutant
The secondary air inlet 20 for being sent into hot-blast stove 17 carries out burning processing, or is condensed back by heat exchange condensing plant and gas-liquid separation equipment
Qualified discharge after being handled again by exhaust gas treatment unit after receiving portions pollutant.Exchange heat condensing plant and gas-liquid separation equipment composition
Multi-stage condensing separation equipment;It is sequentially connected between multi-stage condensing separation equipment is at different levels;The first order includes the pipe of connection extracting gang of wells
Road and an inertial gas-liquid separator after pipeline;The second level includes evaporation type air cooling tower 58 and installed in vaporation-type sky
An inertial gas-liquid separator after cold tower 58;The third level include gas-liquid heat-exchange 59 and after gas-liquid heat-exchange 59 one
Individual inertial gas-liquid separator.That is, multi-stage condensing separation equipment can be flexibly set, first order condensation separation is using greatly
Gas is acted on the natural cooling of ground extraction well pipe 41, is followed by an inertia-type gas-liquid separator i.e. one-level moisture trap 61;
Second level condensation separation is followed by an inertia-type gas-liquid separator i.e. two level using evaporation type air cooling tower 58 as heat exchange condensing plant
Moisture trap 62;Third level condensation separation is provided using gas-liquid heat-exchange 59 as heat exchange condensing plant using handpiece Water Chilling Units 60
Low temperature chilled water as refrigerant, be followed by an inertia-type gas-liquid separator i.e. three-level moisture trap 63.Vavuum pump 42 uses
The claw or Roots type vacuum pump 42 of dry type with certain excessively stream heating ability, there is certain excessively stream heating ability,
The Outlet Gas Temperature of vavuum pump 42 slightly raises, but can substantially reduce the relative humidity of gas, is favorably improved subsequent adsorbtion
The adsorption efficiency of equipment.Deentrainment tower 64 is provided with any one in mesh mist eliminator, deflection plate demister or rotational flow plate defroster.
Deentrainment tower 64 is mainly used in removing the remaining fine drop of on-condensible gas, further reduces the processing load of subsequent adsorbtion equipment,
Charcoal absorption efficiency is improved, while protects vavuum pump 42 from liquid corrosion.The gas of deentrainment tower 64 and activated carbon adsorber 67
Body entrance is all located at bottom, and gas vent is located at tower top.Extracting gang of wells is will to extract well casing 41 and multistage by extracting house steward 40
Condensation separation equipment connects, composition extracting gang of wells;Vertical shaft type extraction well 43 and the horizontal vertical interlaced of well formula extraction well 45 are distributed in together
A piece of contaminated site is interior and covers whole Polluted area 16.Extracting gang of wells is entered by suction caused by the vavuum pump 42 of cell end
Row vacuum extraction.
If as shown in figure 5, vertical shaft type extraction well 43 be separately mounted to pre-set in contaminated site by ground downwards
In dry ground hole;Vertical shaft type extraction well 43 arranges that well spacing is 1-3m in horizontal layout in the form of triangle or square;
Filled with quartz sand 50 and at the top of quartz sand 50 between the lateral wall of the well casing of vertical shaft type extraction well 43 and the madial wall in native hole
Fill bentonite 18 to ground and carry out sealing of hole;The packed height of quartz sand 50 and sieve aperture or sieve on the well casing of vertical shaft type extraction well 43
The setting span scope of seam 46 is basically identical.Opened up on the well casing of vertical shaft type extraction well 43 some evenly spaced along well casing direction
Sieve aperture or screen slot 46;The setting span of sieve aperture or screen slot 46 on well casing vertically covers whole Polluted area 16 and compares Polluted area
16 bottom depth 0.3-0.5m, the bottom of well casing are provided with bottom plate 47, the thickness of bottom plate 47 about 30cm.Well casing arrives above Polluted area 16
Part between ground does not open up sieve aperture or screen slot 46, i.e. top uncontamination region 16 is the well casing of not perforate.Vertical shaft type extracts
Well 43 includes 49 two kinds of association extraction well 48 and independent extraction well, and each association extraction well 48 and a heated well 1 are arranged on one
In individual native hole, its bottom exceeds 1m or so than the depth of the bottom of heated well 1;Each independent extraction well 49 is provided separately within a soil
In hole.High-temperature hot-air caused by hot-blast stove 17 introduces heated well 1 by the suction function of air-introduced machine 6 and heated, high-temperature hot-air
Indirect heat exchange is completed by heated well 1 and soil, so as to improve the soil on the well casing periphery of heated well 1 by way of heat transfer
Earth and/or underground water temperature, the hot blast for completing heat exchange are discharged using air-introduced machine 6.The hole diameter of association extraction well 48 is 25-40cm;
The top of association extraction well 48 is externally provided with a threeway 51 on ground, i.e. association extraction well 48 sets a threeway after elevating above the soil
51, two ports of export of threeway 51 are respectively provided with valve, and one of port of export is provided with the 5th valve 52, and connection extracts house steward 40,
Another port of export is provided with the 6th valve 53, leads directly to air or compressed air gas source.The starting stage is run in vacuum extraction facility,
The 5th valve 52 between association extraction well 48 and extracting house steward 40 is opened, closes the 6th be connected with air or compressed air gas source
Valve 53;In the system operation middle and later periods, the 5th valve 52 closed between extracting house steward 40, association extraction well 48 and air are opened
Or the 6th valve 53 of compressed air gas source connection, fresh air or injecting compressed air are sucked as disturbance wind from air.
The hole diameter of independent extraction well 49 is 80-100cm, and independent extraction well 49 is connected with extracting house steward 40, independent extraction well 49 and extracting
The 7th valve 54 is provided between house steward 40.
As shown in Figure 6 and Figure 7, horizontal well formula extraction well 45 be separately positioned in the topsoil of Polluted area 16 dig it is some
In horizontal channel 55;Well casing both ends are respectively equipped with branch pipe 56, are connected by branch pipe 56 with extracting house steward 40, branch pipe 56 is provided with and cut
Change valve 57.Quartz sand 50 is filled between the lateral wall and soil of well casing, swelling is filled in the groove 55 of the top of quartz sand 50
Soil 18.The hole diameter of horizontal well formula extraction well 45 is 45-55cm, preferably 50cm, and horizontal well formula extraction well 45 arrives the depth of burying on ground
For 0.2-0.5m, well spacing is 2-5m, and level covers the whole top layer of Polluted area 16.
The water-stop curtain of subsurface flow control unit is made up of twin shaft or three axle concrete mixing piles 36, concrete stirring
Stake 36, which sets from ground to underground vertical and forms wall type structure, surrounds Polluted area 16, the depth of its depth ratio Polluted area 16
Deep 1-2m is spent, cement-soil-stirred pile 36 is provided with bilayer, and internal layer 37 uses cellular concrete, and outer layer 38 uses normal concrete, interior
Layer 37 against the scope of Polluted area 16 set, the distance between outer layer 38 and internal layer 37 preferably 45~55cm, outer layer 38 with it is interior
Well-points dewatering facility is additionally provided between layer 37.That is, realized by the form of the periphery of restoring area in the original location setting water-stop curtain
Subsurface flow.Water-stop curtain uses twin shaft or three axle concrete mixing piles 36, and depth is from earth's surface up to the bottom of Polluted area 16
At lower 1-2m.Using the cement-soil-stirred pile 36 of bilayer, first layer is that internal layer 37 is laid against restoring area, using bubble coagulation
Soil is stirred pile driving construction, and the second layer is that outer layer 38 is arranged on first layer periphery about at 50cm, is stirred using normal concrete
Mix pile driving construction.Well-points dewatering facility is set between two layers of mixing pile, 1-2m under precipitation depth to the bottom of Polluted area 16.Well point drops
Drainage facility includes the dewatering well 39 set from ground to underground vertical, and sets on the ground and taken out with what dewatering well 39 was connected
Water pump.Dewatering well 39 is the well beaten for lowering of watertable, connection suction pump groundwater abstraction after having beaten, and reduces the water of underground water
Position.The underground water that well-points dewatering facility extracts inputs treatment unit for waste water by pipeline.Cement-soil-stirred pile 36 is treatment of soft foundation
A kind of effective form, be a kind of host using cement as curing agent, cement jet entered into the soil body and abundant using mixing pile machine
Stirring, make cement that a series of physical chemical reaction occur with soil, weak soil is hardened and is improved foundation strength.Cement-soil-stirred pile 36
Mixing pile is divided into single shaft, twin shaft and three axes agitating pile by the construction way mainly used.Normal concrete (normal
Concrete) refer generally to using cement as major gelled material, with water, sand, stone, mix chemical admixture if necessary and mineral are mixed
Material is closed, is coordinated by proper proportion, the artificial stone formed by uniform stirring, closely knit shaping and maintenance hardening.Cellular concrete
(Foamed Cement) is that foaming agent is mechanically fully foamed by the foamed system of air bubble machine, and by foam and water
Mud slurry uniform mixes, and then carries out cast-in-place construction or mould molding by the pumping system of foaming machine, is formed through natural curing
A kind of novel light insulation material containing a large amount of sealed porositys.
The horizontally disposed scope of the concrete layer 12 of soil gas control unit is more than the respective edges of Polluted area 16
Go out 1~2m, and be tightly connected with cement-soil-stirred pile 36.Concrete layer 12 divides for upper and lower two layers;Lower floor 13 is cellular concrete,
Thickness is 15-30cm;Upper strata 14 is normal concrete, thickness 10-20cm.Concrete layer 12 is setting heated well 1 and vertical shaft
Corresponding hole is reserved in the position of formula extraction well 43, is provided with service sleeve 15 in hole, heated well 1 and vertical shaft type extraction well 43 pass through
Service sleeve 15 is simultaneously sealed between service sleeve 15 in concrete curing rear filling bentonite 18.That is, by the original location
Restoring area surface sets the form of concrete layer 12 to realize soil gas control, and the horizontal extent of earth's surface concrete layer 12 has more
Each side 1-2m of restoring area, is tightly connected with cement-soil-stirred pile 36.Concrete layer 12 is set two layers, and lower floor 1313 is bubble coagulation
Soil, thickness 15-30cm;Upper strata 14 is normal concrete, thickness 10-20cm.Concrete layer 12 adds all in installation process
The position reserving hole that the position or other pipelines of hot well 1 and vertical shaft type extraction well 43 pass through, service sleeve 15 is set in hole, it is excellent
Elect steel service sleeve or iron hoop as.Heated well 1 and vertical shaft type extraction well 43 pass through service sleeve 15, service sleeve 15 and well casing
Between sealed after concrete curing by filling bentonite 18.
As shown in figure 8, the adsorption plant and blower fan 66 of exhaust gas treatment unit are connected;Adsorption plant is inhaled comprising some activated carbons
Attached tower 67;The serial or parallel connection of activated carbon adsorber 67 is set.Preferably, the exit of blower fan 66 is provided with gas detecting instrument, and gas exists
Detect it is up to standard after discharged.Adsorption plant is exported with vavuum pump 42 and is connected by pipeline, and the connecting pipe is adopted provided with gas
Sample equipment 69.Activated carbon adsorber 67 is arranged to some levels of series connection, and every grade sets some activated carbon adsorbers 67 in parallel.It is excellent
Selection of land, activated carbon adsorber 67 is run by two-stage series connection or the form of two groups of switchings in parallel is run, and improves exhaust gas active-carbon
Utilization rate, strengthen anti-load impact performance and operational flexibility.Activated carbon adsorber 67 is provided with some drawer knots that can be replaced
Structure 68, drawer structure 68 is interior to be provided with activated carbon.Namely the activated carbon adsorber 67 is using the drawer type for being easy to activated carbon to change
Design sets drawer structure 68, and qualified discharge air after the contaminant remaining in fixed gas is removed by suction-operated.
As shown in figure 9, the combination pond 71 for the treatment of unit for waste water is cell structure, each lattice are set to coagulation area 75, precipitation successively
Air flotation zone 76, chemical oxidation area 77;Coagulation area 75 is provided with the medicine machine 78 of dosing coagulant, and stirring is additionally provided with coagulation area 75
Device.Tube settler and air floatation machine are provided with precipitation-air-flotation area 76.Chemical oxidation area 77 is provided with the medicine machine for adding oxidant
78, agitator is additionally provided with chemical oxidation area 77.Coagulation, precipitation/air supporting and advanced are carried out in the form of pond 71 is combined in reaction
Chemical oxidation, design of the pond 71 by multiple lattices is combined, realize the different operations of dosing coagulation, precipitation/air supporting, chemical oxidation
Mode.Regulating reservoir 70 is by the gravity oil removal sedimentary adjustive pool 70 of each composition precipitated and separated in sewage by Action of Gravity Field;Adjust
It is preferably vertical barrel type structure to save pond 70.It is respectively equipped with out at the liquid level for each layering that regulating reservoir 70 is formed in heterogeneity
The mouth of a river 73, regulating reservoir 70 are respectively equipped with thief hatch 74 at each delivery port 73.The water outlet of each delivery port 73 collects in the duct again
It is passed through combination pond 71.Water quality and quantity regulation and gravity oil removal precipitation are carried out in the form of oil removal sedimentary adjustive pool 70, in difference
Liquid level is equipped with delivery port 73 and thief hatch 74, according to the solid such as possible lightweight oils, heavy oils and silt in waste water
Particulate matter delamination selects suitable water exit position.Sand filtration apparatus is quartz filter 32;The scientific name of quartz filter 32
Shallow media filter (English:Shallow medium filter), it is by the use of quartz sand as filter medium, certain
Pressure under, the quartz sand filtration the higher water of turbidity by certain thickness granular or non-grain, effective retention removes water
In suspension, organic matter, colloidal particles, microorganism, chlorine, odor and part heavy metal ion etc., be finally reached that to reduce water turbid
Spend, a kind of High-cfficiency Filtration equipment for the effect that purifies water.Carbon filtration equipment is active carbon filter 33.Active carbon filter 33 is one
The more common water treatment facilities of kind, are a kind of filtering apparatuses of tank body, and shell is generally stainless steel or fiberglass, inside filling
Activated carbon, for the educt in filter water, microorganism, part heavy metal ion, and it can effectively reduce the colourity of water.Discharge bay
72 are provided with water quality detection equipment 34, and treated waste water is stored temporarily in discharge bay 72, and pipe of being received after detection is up to standard discharges.Adjust
Each processing equipments such as section pond 70, combination pond 71, sand filtration apparatus, carbon filtration equipment and discharge bay 72 are respectively provided with bypass and surmount pipeline
31, it is easy to operation operation to be adjusted flexibly.
With reference to embodiment to the concentrated combustion formula original position thermal desorption reparation dress provided by the present invention for contaminated site
Put and be further described.
Embodiment 1
A kind of concentrated combustion formula original position thermal desorption prosthetic device for contaminated site, include burning heat transfer and waste heat recovery
It is unit, extracting condensation and gas-liquid separation unit, subsurface flow control unit, soil gas control unit, exhaust gas treatment unit, useless
Unit for treating water and pipeline.Burning heat transfer and waste heat recovery unit include hot-blast stove 17, gas-gas heat exchanger 5, air blower, air inducing
Machine 6, aiutage 11 and heating gang of wells.Extracting condensation and gas-liquid separation unit include extracting gang of wells, heat exchange condensing plant, gas-liquid
Separation equipment, deentrainment tower 64 and vavuum pump 42;Extract gang of wells and include some extracting well casings 41, extracting well casing 41 includes vertical peace
Some vertical shaft type extraction wells 43 in contaminated site, and some horizontal strokes being horizontally arranged in the topsoil of Polluted area 16
Well formula extraction well 45;Opened up respectively on extracting well casing 41 some along the evenly spaced sieve aperture in well casing direction or screen slot 46.Underground water
Flow control unit includes the water-stop curtain for being arranged on the periphery of Polluted area 16 for needing to repair.Soil gas control unit is included and set
Put the concrete layer 12 of the covering Polluted area 16 on the ground of contaminated site.Exhaust gas treatment unit includes adsorption plant and wind
Machine 66.Treatment unit for waste water includes the regulating reservoir 70 set gradually, combination pond 71, sand filtration apparatus, carbon filtration equipment and discharge bay
72。
Burning heat transfer and waste heat recovery unit use the adjustable height of temperature caused by the centralized fuel combustion of hot-blast stove 17
Wind is warmed as In Situ Heating thermal source.Hot-blast stove 17 is mainly by burner, combustion chamber, mixing chamber, secondary air inlet 20 and hot blast
Outlet 21 is formed, and burner can use natural gas, oil gas or diesel oil as fuel, while be equipped with combustion air inlet
19, fuel forms combustion flame in burner, and then enters combustion chamber and complete combustion process.For larger hot-blast stove
17, combustion air can be inputted in proportion by air blower according to fuel feed;For small-sized air heating furnace 17, combustion air can be by list
First end air-introduced machine 6 runs caused negative pressure suction, and regulation is empty manually for the first valve 28 set by combustion air inlet 19
Throughput.High-temperature flue gas caused by combustion chamber enters in mixing chamber to be sufficiently mixed with the fresh air from secondary air inlet 20,
Further help to burn completely while formed the high-temperature hot-air for reaching design temperature scope, discharge and use through hot-blast outlet 21.Newly
Fresh Secondary Air can run caused negative pressure suction hot-blast stove 17 by cell end air-introduced machine 6, it is possible to use special air blower
It is sent into hot-blast stove 17.The hot blast temperature come out of the stove can be by adjusting the second valve at burner load or regulation secondary air inlet 20
Door 29 and the aperture of the 3rd valve 30 so adjust cold flow mode be adjusted.Second valve 29, which is arranged on, is introduced directly into sky
On the pipeline of gas, the 3rd valve 30 is arranged on Secondary Air outlet 25 and the secondary air inlet 20 of hot-blast stove 17 of gas-gas heat exchanger 5
Between pipeline on.Set pressure sensitive to pop one's head at hot-blast outlet 21, burnt when pressure is higher than the negative pressure value set herein
Device can close automatically, and burner can just start when only pressure is less than the negative pressure value set here, so at unit end
In the case that end air-introduced machine 6 is not worked or all exhaust openings are turned off, less than negative pressure, burner can be realized automatically for probe sensing
Close.Air blower includes combustion fan 26 and air intake blower fan 27, and combustion fan 26 is arranged on the combustion air inlet of hot-blast stove 17
At 19, air intake blower fan 27 is arranged at the cold wind import 23 of gas-gas heat exchanger 5.
High-temperature hot-air caused by centralized hot-blast stove 17 is completed to change indirectly by the heated well 1 of installation in the venue with soil
Heat, so as to improve the soil and/or underground water temperature on the well casing periphery of heated well 1 by way of heat transfer.Complete heat exchange
Hot blast air directly can be discharged into by aiutage 11 through cell end air-introduced machine 6, or be sent into and be arranged on centralized hot-blast stove
The gas-gas heat exchanger 5 of the front end of 17 cold wind import 23, air is discharged by aiutage 11 again after being exchanged heat with fresh Secondary Air, from
And the waste heat recovery of hot blast is realized, reduce plant energy consumption.
High-temperature hot-air caused by centralized hot-blast stove 17 introduces heated well 1 by the suction function of cell end air-introduced machine 6
Heated.The well casing of heated well 1 is the design of inside and outside concentric tubes, 120-140 centimetres of 3 caliber of outer tube, the caliber 40- of inner tube 2
75 centimetres, typically using stainless steel;The bottom of outer tube 3 sets bottom 4, and the bottom of inner tube 2 does not set bottom 4, with the bottom spacing of outer tube 3
20-30 centimetres.High-temperature hot-air is first from top to bottom sent into the well casing bottom of heated well 1 through inner tube 2, then by between inner tube 2 and outer tube 3
Space from bottom to top turn back back ground, discharged after the hot blast regulating valve 10 of a side from hot blast row's mouth 9, so as to reach
The purpose of balanced heat-exchange temperature.
10-20cm annular space is typically had during the well casing installation of heated well 1 between the native hole of outer tube 3 and probing, can be direct
Quartz sand is inserted to ensure heat-transfer effect, or inserts the haydite that thermal capacity is big, thermal conductivity factor is good.In not between ceramics filling 7
Set thermocouple temperature measurement to pop one's head in depth, can pass through when haydite temperature reaches such as 650 DEG C of higher setting temperature
The aperture of hot blast regulating valve 10 of the end of heated well 1 is turned or closed automatically to electric-control system down, reduces the high temperature provided to the heated well 1
Hot blast;It can be automatically turned on or adjust by electric-control system when haydite temperature reaches such as 400 DEG C of relatively low setting temperature
The big aperture of hot blast regulating valve 10, increases the high-temperature hot-air provided to the heated well 1.Because haydite not only may insure heat transfer effect
Fruit, also with preferable heat storage capacity, therefore above-mentioned switching can continue a relatively long time, can so realize and add
The periphery heat of hot well 1 stops providing heat to heated well 1 before not conducting in time, so as to effectively prevent heated well 1
Interior high-temperature hot-air and the Soil Surrounding temperature difference it is smaller and caused by poor heat transfer effect, reduce the energy consumption level of device.
According to contaminated sites distribution situation, place physical condition and device design feature, centralized hot blast can be flexibly set
The collocation form of stove 17 and heating gang of wells, such as hot-blast stove 17 are equipped with a heated well 1, or a hot-blast stove 17 be equipped with it is more
Individual heated well 1, multiple parallel runnings of heated well 1, and the hot blast regulating valve 10 by being arranged on the hot blast of heated well 1 row's mouth 9 enter
The hot blast rate of each heated well 1 is as balanced as possible;Adjacent heated well 1 can also series operation, i.e., high-temperature hot-air through one heating
Well 1 is finished changing to be re-fed into after heat after another heated well 1 continues heat exchange and discharged again.Heated well 1 is typically vertically-mounted, in the plane may be used
To be arranged by the form of triangle or square, between 1-3 rice, the depth of heated well 1 determines well spacing according to pollution depth,
Target stains depth 0.3-0.5 rice can typically be exceeded;Under more special application conditions, diagonally-installed and cloth can also be carried out
Put.
Vacuum extraction is realized by the vavuum pump 42 on ground and installation extracting well casing 41 in the venue, passes through vavuum pump
42 operation caused by negative pressure by the pollutant separated from soil media in the form of underground water or soil gas through taking out
Carry well and be drawn to ground by extracting house steward 40 and handled.Vacuum extraction typically carries out the extracting fortune of underground water prior to heating
OK, Waste Water Treatment is sent to handle after extracting the underground water of Polluted area 16 out ground as much as possible, with saving subsequent heat
The energy of consumption needed for lower water, reduce processing load.Extraction well is generally stainless steel, is divided to two kinds of forms, one kind is vertical shaft
Formula extraction well 43, is vertically mounted in contaminated site;One kind is horizontal well formula extraction well 45, is horizontally arranged at the top layer of Polluted area 16
In soil.
Vertical shaft type extraction well 43 is divided to two kinds of forms again, and a kind of association to be arranged on heated well 1 in same native hole is taken out
Carry well 48, hole diameter is identical with the depth of heated well 1 in 25-40cm;A kind of is the independent extraction well 49 being built up between heated well 1,
Hole diameter exceeds 1m in 80-140cm, the depth than heated well 1.Sieve aperture or screen slot 46 are opened on the well casing of vertical shaft type extraction well 43, is opened
Hole span vertically covers whole Polluted area 16 and also goes out about 0.3-0.5m deeply than the bottom of Polluted area 16, should additionally add about
Bottom plate 47 (well casing of not perforate and silently) after 30cm, top uncontamination region 16 are the well casing of not perforate.Independent extraction well
49 are directly connected with extracting house steward 40;Association extraction well 48 sets a threeway 51 after elevating above the soil, both ends outlet is respectively provided with valve
Door and flange, one end are provided with the 5th valve 52 connection extracting house steward 40, and the other end leads directly to air or connection provided with the 6th valve 53
Compressed air gas source.The distribution of extracting gang of wells can be optimized when device designs, pass through association extraction well 48 and independent extraction well 49
Setting, respectively strengthen " focus " and " cold spot " pollutant extracting collection.
In the plant running starting stage, pollutant concentration is higher in the Soil Surrounding of heated well 1, and the soil moisture is in heated well
The lower and can of 1 effect rises quickly, and a large amount of pollutants can be transferred in soil gas from solid phase of soil.In view of independent extraction well 49
Again distant from this region, the pollutant in soil gas is difficult only effectively trapping by independent extraction well 49.At this moment need
The 5th valve 52 between association extraction well 48 and extracting house steward 40 is opened, closes the 6th be connected with air or compressed air gas source
Valve 53, the pollutant in the regional soil gas is quickly discharged through association extraction well 48 by vacuum action, prevents pollutant
Escape into air and cause secondary pollution.Additionally due to the regional temperature is higher, is concentrated on and heated by association extraction well 48
Partial contamination thing near well 1 reaction such as can be pyrolyzed or hydrolyze under the action of heat and be consumed, so as to effective
Reduce the load of follow-up ground pollution treatment facility.In the plant running middle and later periods, the Soil Surrounding temperature of heated well 1 can reach first
Target temperature, pollutant in soil concentration have been significantly reduced, and apart from the regional soil temperature of heated well 1 farther out not yet
Target temperature can be reached.Now need to close and extract the 5th valve 52 between house steward 40, open association extraction well 48 and air
Or the 6th valve 53 of compressed air gas source connection, compressed air is intermittently injecting, or produced in underground by independent extraction well 49
Raw vacuum suction effect can take out a part of fresh air from air through association extraction well 48 and enter underground, add so as to add
The thermal convection current effect of soil, improves heat-transfer effect, contributes to the soil away from the region of heated well 1 between hot well 1 and independent extraction well 49
Earth is rapidly heated.Meanwhile the compressed air for entering underground through association extraction well 48 can also play disturbance wind action, drop
In the microenvironment of low soil particle surface in soil gas pollutant concentration, so as to reduce its partial pressure, adsorption by soil can be promoted
Pollutant desorption, improve repairing effect.
The horizontal buried depth of well formula extraction well 45 is in 0.2-0.5 rice or so, and hole diameter is typically in 50cm or so, and well spacing is typically in 2-5
Rice is, it is necessary to cover the whole surface of Polluted area 16.Sieve aperture or screen slot 46 are opened on well casing, well casing both ends are total with extracting by branch pipe 56
Pipe 40 is connected, and is mainly used in trapping the soil gas that vertical shaft type extraction well 43 fails to trap, further realizes to soil pollution
Thing effectively prevents secondary pollution to the control of earth's surface loss.
Control to processing region subsurface flow is realized by the form of the periphery of restoring area in the original location setting water-stop curtain
System.Water-stop curtain typically uses twin shaft or three axle concrete mixing piles 36, and depth is from earth's surface up to the bottom of target stains region 16
At subordinate's 1-2 rice.Double-deck cement-soil-stirred pile 36 of generally use, first layer are that internal layer 37 is laid against restoring area, are used
Cellular concrete is stirred pile driving construction, and the second layer is that outer layer 38 is arranged on first layer periphery about at 50cm, using common coagulation
Soil is stirred pile driving construction.First layer cellular concrete mixing pile 36 utilizes relatively independent closed air bubbles in concrete bodies and good
Good globality primarily serves water proof and heat-insulated effect, prevents peripheral underground water from being reduced as far as possible while entering processing region
Multiple heat loss of the processing region to surrounding of hot repair.Second layer normal concrete mixing pile 36 primarily serves the effect of water proof, prevents
Peripheral underground water enters processing region.In order to prevent underground caused by the constructional deficiency of cement-soil-stirred pile 36 or cracking
Water enters, and can also set well-points dewatering facility between two layers of mixing pile, 1-2 rice under precipitation depth to the bottom of Polluted area 16, logical
Crossing limited precipitation ensures that peripheral underground water will not enter processing region.The underground water that well-points dewatering facility extracts is defeated by pipeline
Enter treatment unit for waste water.
Realized by the form of the setting of restoring area surface in the original location concrete layer 12 to processing region rainwash
Control and the control of soil gas.The horizontal extent of earth's surface concrete layer 12 can typically exceed each side 1-2 rice of restoring area, with mixing
Native mixing pile 36 is coagulated to be tightly connected.Concrete layer 12 is set two layers, and lower floor 13 is cellular concrete, thickness 15-30cm, is primarily served
Water proof, trapping and heat-insulated effect, prevent surface rain etc. from entering processing region, it is outer to prevent that soil gas from escaping or preventing
Enclose air and enter extractor, while reduce the upward heat loss of the multiple processing region of hot repair as far as possible;Upper strata 14 is normal concrete,
Thickness 10-20cm, primarily serve the effect of water proof and trapping.
Heated well 1 and vertical shaft type extraction well 43 installed in underground can be upward through after concrete layer 12 and be set with ground
Apply connection.Concrete layer 12 sets service sleeve 15 in the equal preformed hole in the position that all pipelines pass through, hole in installation process,
Preferably iron hoop, heated well 1 and vertical shaft type extraction well 43 pass through iron hoop, by filling out after concrete curing between iron hoop and well casing
Bentonite 18 is filled to seal.So can effectively it reduce in heating process because soil and pipe fitting thermal expansion cause concrete bodies to break
Split, influence sealing effectiveness.
According to the difference of target contaminant property, the soil gas extracted can be sent directly into the Secondary Air of hot-blast stove 17 and enter
Mouth 20 carries out burning processing, or is re-fed into the secondary air inlet 20 of hot-blast stove 17 after condensing recovery section pollutant and is fired
Burning processing, or after condensing recovery section pollutant again by exhaust gas treatment unit after qualified discharge.The mesh that will be extracted
Mark pollutant, which is sent into hot-blast stove 17 to strile-back, can not only cancel exhaust gas treatment unit, can also reclaim the heat of organic pollution
Value, it is energy-saving.
Multi-stage condensing separation equipment is flexibly set to pre-process the soil gas extracted according to actual conditions, in advance
Most of pollutant burden is removed, mitigates follow-up exhaust-gas treatment facilities pressure.Multi-stage condensing separation equipment includes heat exchange condensation and set
Standby and gas-liquid separation equipment.First order condensation separation can utilize air to extract the natural cooling of house steward 40 to ground and act on, after
An inertia-type gas-liquid separator i.e. one-level moisture trap 61 is connect, is pre-separated out the condensate liquid of higher temperature, is reduced follow-up
The thermic load of condensation separation.Second level condensation separation is put using evaporation type air cooling tower 58 as heat exchange condensing plant, pipe heat exchanger
In in tower, cooling-down effect is ensured by the heat exchange of the air of circulation, shower water and recirculated water, soil gas is further cooled
And condensed contaminants, and be that two level moisture trap 62 separates condensate liquid by rearmounted inertia-type gas-liquid separator.
Third level condensation separation using gas-liquid heat-exchange 59 as heat exchange condensing plant, made by the low temperature chilled water provided using handpiece Water Chilling Units 60
Soil gas temperature and deep condensation pollutant are further reduced by indirect heat exchanger for refrigerant, and it is used by what is be followed by
Property formula gas-liquid separator be three-level moisture trap 63 drop condensate liquid separate.
Fixed gas after condensation separation is connected after deentrainment tower 64 with vavuum pump 42, then is sent into subsequently through vavuum pump 42
Exhaust gas treatment unit.Exhaust gas treatment unit primary attachment equipment is activated carbon adsorber 67, and fixed gas is removed by suction-operated
In contaminant remaining after qualified discharge air, blower fan 66 is set after adsorption plant.Adsorption plant front end goes out with vavuum pump 42
Mouth is connected by pipeline, and the connecting pipe is provided with gas sampling device 69.It is residual that deentrainment tower 64 is mainly used in removal on-condensible gas
Remaining fine drop, the processing load of follow-up exhaust gas treatment unit is further reduced, improve charcoal absorption efficiency, protect simultaneously
Vavuum pump 42 is from liquid corrosion.Vavuum pump 42 has certain excessively stream using the claw or Roots type vacuum pump 42 of dry type
Heating ability, the Outlet Gas Temperature of vavuum pump 42 slightly raises, but can substantially reduce the relative humidity of gas, contributes to follow-up
Exhaust gas treatment unit charcoal absorption efficiency.
Activated carbon adsorber 67 sets drawer structure 68 using the drawer type design for being easy to activated carbon to change, and activated carbon is inhaled
Attached tower 67 is arranged to some levels of series connection, and every grade sets some activated carbon adsorbers 67 in parallel.Preferably, activated carbon adsorber
67, by two-stage series connection operation or two groups of forms in parallel switched, improve the utilization rate of exhaust gas active-carbon, strengthen anti-load impact
Performance and operational flexibility.
Treatment unit for waste water, which receives, comes from waste water caused by two layers of cement-soil-stirred pile, 36 well-points dewatering, before device heating
Demister produces before condensate liquid caused by polluted underground water that Polluted area 16 extracts, condensation and separation process and vavuum pump 42
Collection liquid handled after qualified discharge.Consider waste water quality caused by whole hot repair process have complexity with it is various
Property, and the polytropy of different phase waste water water quantity and quality is repaired, waste water treatment process is needed using relatively more flexible design shape
Formula, concrete technology flow process are as follows:Water quality and quantity regulation-gravity oil removal precipitation-advanced the chemical oxygen of dosing coagulation-precipitation/air supporting-
Change-sand filtration-activated carbon filtering.
Treatment unit for waste water front end sets the regulating reservoir 70 with larger buffer capacity, and regulating reservoir 70 is all provided with different liquid levels
There are delivery port 73 and thief hatch 74, according to the solid particulate matter such as possible lightweight oils, heavy oils and silt in waste water point
Layer situation selects suitable water exit position, while can manually carry out the solid particulate matters such as lightweight oils, heavy oils and silt
Discharge.Set after regulating reservoir 70 comprising coagulation area 75, precipitation-air-flotation area 76, the combination pond 71 in chemical oxidation area 77, consider field
The complexity of waste water is produced in ground repair process, design of the pond 71 by multiple lattices is combined, realizes dosing coagulation, precipitation/gas
The floating, different running method of chemical oxidation.Coagulation area 75 is provided with the medicine machine 78 of dosing coagulant, is additionally provided with coagulation area 75
Agitator.Tube settler and air floatation machine are provided with precipitation-air-flotation area 76.Chemical oxidation area 77 is provided with the dosing for adding oxidant
Equipment 78.Sand filtration and carbon filtration equipment, preferably quartz filter 32 and active carbon filter 33, depth are set after combining pond 71
Processing further improves the treatment effeciency of pollutant.Treated waste water is discharged into the interim storage of discharge bay 72, after detection is up to standard
Pipe of receiving discharges, and discharge bay 72 is provided with water quality detection equipment 34.Processing equipments at different levels are respectively provided with bypass and surmounted in treatment unit for waste water
Pipeline 31, it is easy to operation operation to be adjusted flexibly.
Embodiment 2
A kind of concentrated combustion formula original position thermal desorption prosthetic device for contaminated site, include burning heat transfer and waste heat recovery
It is unit, extracting condensation and gas-liquid separation unit, subsurface flow control unit, soil gas control unit, exhaust gas treatment unit, useless
Unit for treating water and pipeline.Burning heat transfer and waste heat recovery unit include hot-blast stove 17, gas-gas heat exchanger 5, air blower, air inducing
Machine 6, aiutage 11 and heating gang of wells.Extracting condensation and gas-liquid separation unit include extracting gang of wells, heat exchange condensing plant, gas-liquid
Separation equipment, deentrainment tower 64 and vavuum pump 42;Extract gang of wells and include some extracting well casings 41, extracting well casing 41 includes vertical peace
Some vertical shaft type extraction wells 43 in contaminated site, and some horizontal strokes being horizontally arranged in the topsoil of Polluted area 16
Well formula extraction well 45;Opened up respectively on extracting well casing 41 some along the evenly spaced sieve aperture in well casing direction or screen slot 46.Underground water
Flow control unit includes the water-stop curtain for being arranged on the periphery of Polluted area 16 for needing to repair.Soil gas control unit is included and set
Put the concrete layer 12 of the covering Polluted area 16 on the ground of contaminated site.Exhaust gas treatment unit includes adsorption plant and wind
Machine 66.Treatment unit for waste water includes the regulating reservoir 70 set gradually, combination pond 71, sand filtration apparatus, carbon filtration equipment and discharge bay
72。
Burning heat transfer and waste heat recovery unit use centralized hot-blast stove 17, will be high caused by fuel combustion in hot-blast stove 17
Warm wind is passed through the heating gang of wells of in-situ heat restoring area distribution as thermal source is repaired, by adjusting burner load or regulation
The valve 29 of secondary air inlet 20 second and the aperture of the 3rd valve 30 and then regulation cold flow, can be adjusted in the range of 200-700 DEG C
Section produces the temperature of hot blast.Second valve 29 is arranged on the pipeline for being introduced directly into air, and the 3rd valve 30 is arranged on gas gas and changed
On pipeline between the Secondary Air outlet 25 of hot device 5 and the secondary air inlet 20 of hot-blast stove 17.The introducing of centralized hot-blast stove 17
Material mainly includes fuel, combustion air and Secondary Air, and wherein combustion air is introduced by combustion fan 26 and thrown according to fuel
Enter amount to automatically adjust, or adjust negative pressure introducing manually by the first valve 28;Fresh Secondary Air is adjusted manually by the second valve 29
Save negative pressure to introduce, or selected by the 3rd valve 30 after the cold side of gas-gas heat exchanger 5 accesses, introduced by air intake blower fan 27.
High-temperature hot-air arranges the row of mouth 9 after the heat exchange with heating gang of wells, from the hot blast of the upper end of well casing outer tube 3 of heated well 1
Go out, row's mouth 9 of the well casing of every group of heated well 1 sets hot blast regulating valve 10, and hot-blast main is communicated to by heating resisting metal flexible pipe 79
44;It can be adjusted in operation by hot blast regulating valve 10, the circulation air quantity of the well casing of trim each group heated well 1, or according to reparation area
The temperature conditions of domain different heating point carries out targetedly hot blast and adjusted.
The high-temperature hot-air discharged still has higher temperature in heating gang of wells, can be by the after being delivered to hot-blast main 44
The switching of four valves 35 chooses whether the access hot side of gas-gas heat exchanger 5, and the air intake blower fan 27 that the cold side of gas-gas heat exchanger 5 is equipped with exports
It is connected with the pipeline of fresh secondary air inlet 20 of centralized hot-blast stove 17, chooses whether to be connect by the switching of the 3rd valve 30
Enter;Cold side gas is preheated using the waste heat of high-temperature hot-air by gas-gas heat exchanger 5, so as to reduce centralized hot-blast stove
17 firing rate;Complete waste heat recovery or surmount the high-temperature hot-air of gas-gas heat exchanger 5 by air-introduced machine 6 i.e. high-temperature blower from row
Inflator 11 is discharged.
Heating gang of wells is designed installation according to the pollution in in-situ immobilization region distribution, uses square intensive in plane
The form of cloth, well spacing is at 1.5 meters;Matched in vertical direction with repairing depth, and exceed 0.5 meter of pollution depth.
According to contaminated sites distribution situation, place physical condition and device design feature, it is equipped with using a hot-blast stove 17
The configuration of multiple heated wells 1, multiple parallel runnings of heated well 1, and the hot blast by being arranged on the hot blast of heated well 1 row's mouth 9 are adjusted
The hot blast rate that the regulation of valve 10 enters each heated well 1 is as balanced as possible.
The well casing for heating the heated well 1 of gang of wells is inside and outside concentric sleeve type, using stainless steel;The caliber 50 of inner tube 2
Centimetre, bottom does not set bottom 4;125 centimetres of 3 caliber of outer tube, bottom sets bottom 4;20 centimetres of inner tube 2 and 3 bottom spacing of outer tube.Collection
The inner tube 2 of the first well casing of heated well 1 of high-temperature hot-air caused by Chinese style hot-blast stove 17 is from top to bottom sent into the well casing bottom of heated well 1
Portion, then from bottom to top turned back to the well casing above ground portion of heated well 1 by the space between inner tube 2 and outer tube 3, it is configured in outer tube
Hot blast row's mouth 9 of 3 upper sides is discharged.There is about 15cm ring during the well casing installation of heated well 1 between the native hole of outer tube 3 and probing
Gap, quartz sand is directly inserted as filler 7 to ensure heat-transfer effect.
In-situ heat restoring area caused soil gas after heating is collected by extracting gang of wells, including two kinds of installation shapes
Formula, one kind is vertical shaft type extraction well 43, is vertically mounted in contaminated site;One kind is horizontal well formula extraction well 45, is horizontally arranged at
In the topsoil of Polluted area 16;Extracting well casing 41 uses stainless steel.
Vertical shaft type extraction well 43 is divided into association extraction well 48 and independent 49 two kinds of forms of extraction well, the well of association extraction well 48 again
Footpath 25cm, it is arranged on heated well 1 in a native hole, fitting depth is consistent, and top sets threeway 51, and both ends outlet is respectively provided with valve
Door, one end are provided with the 5th valve 52 connection extracting house steward 40, and the other end is provided with the 6th valve 53 connection compressed air gas source;It is independent
The hole diameter 100cm of extraction well 49, it is arranged between heated well 1 (" cold spot " farthest apart from neighbouring thermal source), it is uniform according to site condition
Arrangement, fitting depth, which exceedes, repairs depth 1m, is used before heating as dewatering well 39;By optimizing association when device designs
The distribution of extraction well 48 and independent extraction well 49 is set, and the different phase regulation association extraction well 48 and solely in heating operation
The 5th valve 52 and the 7th valve 54 between vertical extraction well 49 and extracting well casing 41, strengthen " focus " and " cold spot " pollution respectively
The extracting of thing is collected.
The heating operation starting stage, under high temperature action, a large amount of pollutants can be from solid phase of soil in the Soil Surrounding of heated well 1
It is transferred in soil gas, this partial contamination thing is difficult effectively to trap, it is necessary to open association extraction well by independent extraction well 49
The 5th valve 52 between 48 and extracting house steward 40, the 6th valve 53 being connected with compressed air gas source is closed, passes through vacuum action
The pollutant in the neighboring area soil gas of heated well 1 is quickly discharged through association extraction well 48;Heating operation middle and later periods, heated well
1 neighboring area soil has reached target temperature, and pollutant concentration is significantly reduced, it is necessary to close and extract the 5th between house steward 40
Valve 52, interval open the injecting compressed air of the 6th valve 53 that association extraction well 48 is connected with compressed air gas source, have increased and have added
The thermal convection current effect of soil, improves heat-transfer effect between hot well 1 and independent extraction well 49, accelerates " cold spot " heating;Meanwhile through association
The fresh air that extraction well 48 enters underground can also play disturbance wind action, reduce in the microenvironment of soil particle surface
The concentration (partial pressure) of pollutant in soil gas, promote the desorption of soil pollutant, improve repairing effect.
Horizontal 0.2 meter, hole diameter 50cm of 45 buried depth of well formula extraction well, 2 meters of well spacing is, it is necessary to cover the whole table of Polluted area 16
Face.Well casing both ends are connected by branch pipe 56 with extracting house steward 40, and set switch valve 57, can be according to operating condition selection
No access extraction system.Horizontal well formula extraction well 45 is mainly used in trapping the soil gas that vertical shaft type extraction well 43 fails to trap,
The control to soil pollutant to earth's surface loss is realized, effectively prevents secondary pollution.
The well casing of the well casing of vertical shaft type extraction well 43 and horizontal well formula extraction well 45 is open-porous metal pipe, wherein, extraction well
The perforate pipeline section of pipe 41 is downwards until at the above 0.3m of bottom from below ground 0.5m, and horizontal extraction tube is in addition to pipeline junction
It is perforate or the joint-cutting pipeline section that sieve aperture or screen slot 46 are set.
By setting water-stop curtain to realize the control to peripherally descending current, water-stop curtain is deep to in-situ immobilization area periphery
Underground water barrier, and reach target and repair 2m below depth;Water-stop curtain is constructed using twin shaft cement-soil-stirred pile 36, and is set
Double-decker;First layer is that internal layer 37 is laid against restoring area edge, and pile driving construction is stirred using cellular concrete;Second
Layer is that outer layer 38 is arranged on first layer periphery about at 0.5m, and pile driving construction is stirred using normal concrete;Meanwhile to prevent from mixing
Groundwater infiltration caused by the solidifying native constructional deficiency of mixing pile 36 or cracking, sets dewatering well between two layers of mixing pile
39,2m under precipitation depth to the bottom of Polluted area 16, ensure that peripheral underground water will not enter by limited precipitation and repair
Region.
After water-stop curtain is built well, the arrangement for extracting gang of wells with vertical shaft type according to heating gang of wells carries out wellhole probing;Per complete
Into the probing of a wellhole, the well casing installation of this mouthful of well is carried out immediately, and the stone of 2-5mm particle diameters is inserted after well casing is in place, in wellhole
Sand 50 fills bentonite 18 to ground and carries out sealing of hole up to below ground 300mm.
After completing installation of the heating gang of wells with extracting gang of wells, region and in-situ immobilization between water-stop curtain double-decker
Region carries out precipitation, and precipitation depth is at least 1m below reparation depth;Reparation place provided with independent extraction well 49, can be by independence
Extraction well 49 uses early stage in reparation as dewatering well 39.
After the completion of precipitation, arranged in gang of wells gap and excavate the groove of the deep horizontal well formula extraction wells 45 of the wide 200mm of 100mm
55, the quartz sand 50 of the interior laying 10cm thickness 2-5mm particle diameters of groove 55, and laid among layer of sand and horizontal well formula extraction well 45 is installed
Well casing, and fill the thick progress grooves 55 of bentonite 18 of 10cm and close;Groove 55 excavates caused soil and paved in non-excavation area
Domain.
After the installation for completing the horizontal groove 55 of well formula extraction well 45, it is thick successively to lay two layers of each 20cm for restoring area in the original location
Concrete layer 12, wherein, use gas with the concrete layer 12 i.e. lower floor 13 of concrete layer 12 that soil to be repaired directly contacts
Bubble concrete is made, and the upper strata that the thick normal concretes of 20cm form concrete layer 12 is up laid again after completing maintenance
14;It is pre-buried around the well casing of heated well 1 and the well casing of vertical shaft type extraction well 43 to compare well in the process of deployment of concrete layer 12
The big 50mm of pipe diameter service sleeve 15, preferably steel service sleeve, by filling bentonite between service sleeve 15 and well casing
18 sealings, effectively reduce the possibility for causing concrete bodies to rupture due to soil and pipe fitting thermal expansion in heating process.
Set multi-stage condensing separation equipment to pre-process the soil gas extracted according to actual conditions, remove in advance
Most of pollutant burden, mitigate follow-up exhaust-gas treatment facilities pressure.
Extracting gang of wells is communicated to extracting house steward 40 by heating resisting metal flexible pipe 79, and extracting house steward 40 is designed by certain slope,
Lower is connected to one-level moisture trap 61, using environmental ambient air natural cooling, what one-level moisture trap 61 was isolated
Condensed fluid is delivered to treatment unit for waste water by elevator pump 65, and fixed gas enters subsequent condensation separation equipment.
Evaporation is entered as main heat exchange condensation process equipment, the on-condensible gas of preamble unit using evaporation type air cooling tower 58
The condenser coil of formula air cooling tower 58, cooling water form moisture film outside coil pipe, pass through evaporation and heat through water pump lifting and nozzles spray
Exchange and absorb high-temperature gas heat;In running, evaporability is strengthened by the axial flow blower forced ventilation at the top of evaporator;
Condensate outlet pipeline is designed by certain slope, and lower is connected to two level moisture trap 62, in two level moisture trap 62
Condensate liquid is delivered to treatment unit for waste water by elevator pump 65, and fixed gas enters subsequent condensation separation equipment.
Using gas-liquid heat-exchange 59 and handpiece Water Chilling Units 60 as depth heat exchange condensation process equipment, by evaporation type air cooling tower
58 and the remaining fixed gas after gas-liquid separation, pass through gas-liquid heat-exchange 59 and occur with the low temperature chilled water that handpiece Water Chilling Units 60 provide
Heat exchange, gas temperature is further reduced, improve condensation efficiency;Condensate outlet pipeline is designed by certain slope, lower connection
To three-level moisture trap 63, the condensate liquid in three-level moisture trap 63 is delivered to treatment unit for waste water by elevator pump 65,
Fixed gas enters in deentrainment tower 64 the remaining fine drop removed in gas, is then expelled to by dry vacuum pump 42 at waste gas
Manage unit;Gas-liquid heat-exchange 59 is front and rear condensed gas is set surmount pipeline and valve, can flexibly be selected according to running situation be
It is no to enable.
In addition, according to the difference of target contaminant property, the soil gas extracted can also be selected by valve transfer
It is directly accessed the pipeline of 17 secondary air inlet of hot-blast stove 20 and carries out burning processing;Or sent again after condensing recovery section pollutant
Enter the pipeline of 17 secondary air inlet of hot-blast stove 20 and carry out burning processing.The target contaminant extracted is sent into hot-blast stove 17 and strile-backd
Exhaust gas treatment unit can not only be cancelled, the calorific value of organic pollution can also be reclaimed, it is energy-saving.
Exhaust-gas treatment major process unit is used as using activated carbon adsorber 67, activated carbon adsorber 67, which uses, is easy to activity
The drawer type design that charcoal is changed sets drawer structure 68.Activated carbon adsorber 67 is arranged to some levels of series connection, every grade of setting
Some activated carbon adsorbers 67 in parallel.Preferably, activated carbon adsorber 67 is run by two-stage series connection or two groups of parallel connections switch
Form, improve the utilization rate of exhaust gas active-carbon, strengthen anti-load impact performance and operational flexibility.The activity of serial or parallel connection
Charcoal adsorption tower 67 forms adsorption plant, sets blower fan 66 thereafter.Adsorption plant front end exports with vavuum pump 42 and is connected by pipeline,
The connecting pipe is provided with gas sampling device 69.
Treatment unit for waste water front end sets the oil removal sedimentary adjustive pool 70 with larger buffer capacity, and regulating reservoir 70 is in difference
Liquid level is equipped with delivery port 73 and thief hatch 74, according to the solid such as possible lightweight oils, heavy oils and silt in waste water
Particulate matter delamination selects water exit position, while can manually carry out the solid particles such as lightweight oils, heavy oils and silt
The discharge of thing;Set comprising coagulation area 75, precipitation-air-flotation area 76, the combination pond 71 in chemical oxidation area 77, consider after regulating reservoir 70
The complexity of waste water is produced during site remediation, coagulating sedimentation and dosing are realized in combination pond 71 by the design of multiple lattices
The different running method of reaction;Coagulation area 75 is provided with the medicine machine 78 of dosing coagulant, and agitator is additionally provided with coagulation area 75.
Tube settler and air floatation machine are provided with precipitation-air-flotation area 76.Chemical oxidation area 77 is provided with the medicine machine 78 for adding oxidant.
Sand filtration and carbon filtration equipment, preferably quartz filter 32 and active carbon filter 33 are set after combining pond 71, advanced treating is entered
One step improves the treatment effeciency of pollutant;Treated waste water is discharged into the interim storage of discharge bay 72, and pipe of being received after detection is up to standard is arranged
Put, discharge bay 72 is provided with water quality detection equipment 34;Processing equipments at different levels are respectively provided with bypass and surmount pipeline 31 in treatment unit for waste water,
It is easy to operation operation to be adjusted flexibly.
Provided by the present invention for the concentrated combustion formula original position thermal desorption prosthetic device of contaminated site, existing original can be overcome
Position thermal desorption recovery technique existing deficiency in actual applications, reaches using conventional fuel as energy source, efficiency of energy utilization
It is high, place subsurface flow is easy to control, soil gas can be trapped effectively, pollutant condensation recovery and pollutant treatment efficiency high,
Appliance arrangement is simple and safe, secondary pollution is controllable, repairing effect is good and other effects.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
- A kind of 1. concentrated combustion formula original position thermal desorption prosthetic device for contaminated site, it is characterised in that described device bag Heat transfer containing burning and waste heat recovery unit, extracting condensation and gas-liquid separation unit, subsurface flow control unit, soil gas control Unit, exhaust gas treatment unit, treatment unit for waste water and pipeline;Described burning heat transfer and waste heat recovery unit include hot-blast stove, gas-gas heat exchanger, air blower, air-introduced machine, aiutage with And heating gang of wells;Described extracting condensation and gas-liquid separation unit include extracting gang of wells, heat exchange condensing plant, gas-liquid separation equipment, deentrainment tower And vavuum pump;Described extracting gang of wells includes some extracting well casings, and described extracting well casing includes some vertical shaft type extraction wells, And some horizontal well formula extraction wells;Opened up respectively on described extracting well casing some along the evenly spaced sieve aperture in well casing direction or sieve Seam;Described subsurface flow control unit includes the water-stop curtain for being arranged on the Polluted area periphery for needing to repair;Described soil gas control unit includes the concrete layer for the covering Polluted area being arranged on the ground of contaminated site;Described exhaust gas treatment unit includes adsorption plant and blower fan;Described treatment unit for waste water includes the regulating reservoir set gradually, combination pond, sand filtration apparatus, carbon filtration equipment and water outlet Pond.
- 2. it is used for the concentrated combustion formula original position thermal desorption prosthetic device of contaminated site as claimed in claim 1, it is characterised in that Described burning heat transfer and waste heat recovery unit, its hot-blast stove are provided with combustion air inlet, secondary air inlet and hot-blast outlet;Institute The gas-gas heat exchanger stated is provided with hot wind inlet, cold wind import, exhaust outlet and Secondary Air outlet, and the outlet of described Secondary Air passes through pipe The secondary air inlet of road and hot-blast stove connects;Described heating gang of wells includes some heated wells, and described heated well is provided with heat Wind entrance and hot blast row's mouth, the hot-wind inlet of heated well are connected by the hot-blast outlet of pipeline and hot-blast stove respectively, heated well Hot blast row's mouth is connected by pipeline with aiutage or gas-gas heat exchanger hot wind inlet respectively, the exhaust outlet of gas-gas heat exchanger also by Pipeline is connected with aiutage;Described aiutage is connected with air-introduced machine;Described air blower includes combustion fan and air intake blower fan, Described combustion fan is arranged at the combustion air inlet of hot-blast stove, and described air intake blower fan is arranged on the cold of gas-gas heat exchanger At wind inlet.
- 3. it is used for the concentrated combustion formula original position thermal desorption prosthetic device of contaminated site as claimed in claim 2, it is characterised in that Described heated well, it to subsurface, vertical or is obliquely installed in contaminated site from ground;Described heated well is inside and outside concentric Sleeve structure, comprising outer tube and inner tube, annular gap, the bottom of inner tube are left between the madial wall of outer tube and the lateral wall of inner tube Higher than outer pipe bottom, outer pipe bottom is provided with bottom, and interior bottom of the tube is not set the opening of bottom;Described outer tube is arranged on Pollution Field Pre-set in ground by ground native hole downwards, annular gap is left between the lateral wall of outer tube and native hole madial wall, its Inside it is filled with filler.
- 4. it is used for the concentrated combustion formula original position thermal desorption prosthetic device of contaminated site as claimed in claim 1, it is characterised in that Described extracting condensation and gas-liquid separation unit, it extracts gang of wells and is connected by pipeline with heat exchange condensing plant, and gas-liquid separation is set The standby rear end for being arranged on heat exchange condensing plant, deentrainment tower and true is set gradually after heat exchange condensing plant and gas-liquid separation equipment Empty pump;Described heat exchange condensing plant includes evaporation type air cooling tower and gas-liquid heat-exchange;Described gas-liquid separation equipment is inertia Gas-liquid separator;Vacuum is entered after deentrainment tower by the fixed gas after gas-liquid separation equipment and heat exchange condensing plant condensation separation Pump, follow-up exhaust gas treatment unit is sent into through vavuum pump again, the condensed fluid after separation passes through pipeline to treatment unit for waste water; Described extracting gang of wells, the secondary air inlet that its soil gas extracted is sent into hot-blast stove by pipeline are burnt, or warp Cross after heat exchange condensing plant and gas-liquid separation equipment condensation recovery and feed gas into the secondary air inlet of hot-blast stove again and burnt, Or by heat exchange condensing plant and gas-liquid separation equipment condensation recovery after again by exhaust gas treatment unit after discharge.
- 5. it is used for the concentrated combustion formula original position thermal desorption prosthetic device of contaminated site as claimed in claim 4, it is characterised in that Described extracting gang of wells, if its vertical shaft type extraction well is separately mounted to the dry ground by ground downwards pre-set in contaminated site In hole;Quartz sand is filled between the lateral wall of the well casing of vertical shaft type extraction well and the madial wall in native hole and is filled out at the top of quartz sand Fill bentonite to ground and carry out sealing of hole;Described vertical shaft type extraction well includes two kinds of association extraction well and independent extraction well, each Association extraction well and a heated well are arranged in a native hole, and each independent extraction well is provided separately within a native hole.
- 6. it is used for the concentrated combustion formula original position thermal desorption prosthetic device of contaminated site as claimed in claim 5, it is characterised in that Described extracting gang of wells, its horizontal well formula extraction well are separately positioned on some horizontal channels dug in Polluted area topsoil It is interior;Well casing both ends are respectively equipped with branch pipe, are connected by branch pipe with extracting house steward, stone is filled between the lateral wall and soil of well casing Sand, filling bentonite in the groove above quartz sand.
- 7. it is used for the concentrated combustion formula original position thermal desorption prosthetic device of contaminated site as claimed in claim 1, it is characterised in that Described subsurface flow control unit, its water-stop curtain are made up of twin shaft or three axle concrete mixing piles;Described concrete Mixing pile sets from ground to underground vertical and forms wall type structure and surrounds Polluted area;Described cement-soil-stirred pile is provided with Bilayer, internal layer use cellular concrete, and outer layer uses normal concrete.
- 8. it is used for the concentrated combustion formula original position thermal desorption prosthetic device of contaminated site as claimed in claim 1, it is characterised in that Described soil gas control unit, its concrete layer are tightly connected with described cement-soil-stirred pile;Described concrete layer It is divided into two layers up and down;Lower floor is cellular concrete, and upper strata is normal concrete.
- 9. it is used for the concentrated combustion formula original position thermal desorption prosthetic device of contaminated site as claimed in claim 1, it is characterised in that Described exhaust gas treatment unit, its adsorption plant and fans in series;Described adsorption plant includes some activated carbon adsorbers;Institute The activated carbon adsorber serial or parallel connection stated is set.
- 10. being used for the concentrated combustion formula original position thermal desorption prosthetic device of contaminated site as claimed in claim 1, its feature exists In described treatment unit for waste water, it is cell structure that it, which combines pond, and each lattice are set to coagulation area, precipitation-air-flotation area, chemical oxygen successively Change area;Described regulating reservoir is by the gravity oil removal sedimentary adjustive pool of each composition precipitated and separated in sewage by Action of Gravity Field; Described sand filtration apparatus is quartz filter;Described carbon filtration equipment is active carbon filter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710879465.2A CN107685073B (en) | 2017-09-26 | 2017-09-26 | Centralized combustion type in-situ thermal desorption repairing device for polluted site |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710879465.2A CN107685073B (en) | 2017-09-26 | 2017-09-26 | Centralized combustion type in-situ thermal desorption repairing device for polluted site |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107685073A true CN107685073A (en) | 2018-02-13 |
CN107685073B CN107685073B (en) | 2024-05-14 |
Family
ID=61156676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710879465.2A Active CN107685073B (en) | 2017-09-26 | 2017-09-26 | Centralized combustion type in-situ thermal desorption repairing device for polluted site |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107685073B (en) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108772413A (en) * | 2018-07-14 | 2018-11-09 | 中节能大地(杭州)环境修复有限公司 | A kind of organic material contaminated soil batch heating disposal plant and method of disposal |
CN109248910A (en) * | 2018-10-31 | 2019-01-22 | 中冶焦耐(大连)工程技术有限公司 | The system and method for purifying organic polluted soil is desorbed using burning hot wind in-situ heat |
CN109248911A (en) * | 2018-10-31 | 2019-01-22 | 中冶焦耐(大连)工程技术有限公司 | Utilize the system and method for the purifying organic polluted soil of heat transfer original position thermal desorption |
CN109603412A (en) * | 2018-11-30 | 2019-04-12 | 北京高能时代环境技术股份有限公司 | Contaminated soil thermal desorption organic tail gas handles integrated system and processing method |
CN109821874A (en) * | 2019-04-17 | 2019-05-31 | 北京建工环境修复股份有限公司 | Sealing stops vapour structure and the method with the structure assisted in situ thermal desorption soil remediation |
CN109926443A (en) * | 2019-04-25 | 2019-06-25 | 毅康科技有限公司 | A kind of soil thermal desorption integrated apparatus |
CN110523761A (en) * | 2019-09-24 | 2019-12-03 | 广州威立雅固废能源技术有限公司 | A kind of device and method of concentrated combustion heat-supply type In Situ Heating contaminated soil |
CN110665952A (en) * | 2019-10-29 | 2020-01-10 | 中冶南方都市环保工程技术股份有限公司 | Energy-saving type organic contaminated soil in-situ thermal desorption remediation system and method |
CN112275789A (en) * | 2020-10-10 | 2021-01-29 | 合肥依科普工业设备有限公司 | Soil thermodynamic purification system |
WO2021042463A1 (en) * | 2019-09-04 | 2021-03-11 | 中国地质大学(北京) | In-situ thermal injection system and process for composite organic contamination site |
CN112958612A (en) * | 2021-03-09 | 2021-06-15 | 上海格林曼环境技术有限公司 | In-situ thermal desorption method for repairing organic contaminated soil |
CN113617814A (en) * | 2020-05-08 | 2021-11-09 | 同方环境股份有限公司 | Energy-efficient soil normal position heat restoration system |
CN114226431A (en) * | 2021-12-20 | 2022-03-25 | 天津市瑞德赛恩水业有限公司 | Vertical double-cylinder thermal desorption device |
CN114260301A (en) * | 2022-01-25 | 2022-04-01 | 森特士兴环保科技有限公司 | Skid-mounted multiphase extraction equipment system |
CN114733895A (en) * | 2022-04-01 | 2022-07-12 | 中冶南方都市环保工程技术股份有限公司 | Pollute soil gas normal position thermal desorption restoration equipment |
CN116586414A (en) * | 2023-04-19 | 2023-08-15 | 江苏维诗环境科技有限公司 | Soil remediation system based on gas thermal desorption coupling bioremediation |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103429363A (en) * | 2010-10-25 | 2013-12-04 | Tps科技 | Devices and methods for soil remediation |
CN103449678A (en) * | 2013-09-12 | 2013-12-18 | 安徽省绿巨人环境技术有限公司 | Agricultural equipment coating wastewater treatment technology |
CN204294616U (en) * | 2014-11-21 | 2015-04-29 | 中环循(北京)环境技术中心 | A kind of contaminated soil remediation system adopting recirculating of solar heat desorption |
CN204583847U (en) * | 2015-04-27 | 2015-08-26 | 沈逍江 | Two-part auger indirect thermal desorption apparatus |
CN206184912U (en) * | 2016-10-27 | 2017-05-24 | 南京中船绿洲环保有限公司 | Indirect thermal desorption waste heat recovery system of organic contaminated soil |
CN106734153A (en) * | 2017-01-18 | 2017-05-31 | 北京高能时代环境技术股份有限公司 | For thermal desorption processing system in situ and method that contaminated soil is carried out with heat exchange pattern |
-
2017
- 2017-09-26 CN CN201710879465.2A patent/CN107685073B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103429363A (en) * | 2010-10-25 | 2013-12-04 | Tps科技 | Devices and methods for soil remediation |
CN103449678A (en) * | 2013-09-12 | 2013-12-18 | 安徽省绿巨人环境技术有限公司 | Agricultural equipment coating wastewater treatment technology |
CN204294616U (en) * | 2014-11-21 | 2015-04-29 | 中环循(北京)环境技术中心 | A kind of contaminated soil remediation system adopting recirculating of solar heat desorption |
CN204583847U (en) * | 2015-04-27 | 2015-08-26 | 沈逍江 | Two-part auger indirect thermal desorption apparatus |
CN206184912U (en) * | 2016-10-27 | 2017-05-24 | 南京中船绿洲环保有限公司 | Indirect thermal desorption waste heat recovery system of organic contaminated soil |
CN106734153A (en) * | 2017-01-18 | 2017-05-31 | 北京高能时代环境技术股份有限公司 | For thermal desorption processing system in situ and method that contaminated soil is carried out with heat exchange pattern |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108772413A (en) * | 2018-07-14 | 2018-11-09 | 中节能大地(杭州)环境修复有限公司 | A kind of organic material contaminated soil batch heating disposal plant and method of disposal |
CN109248910A (en) * | 2018-10-31 | 2019-01-22 | 中冶焦耐(大连)工程技术有限公司 | The system and method for purifying organic polluted soil is desorbed using burning hot wind in-situ heat |
CN109248911A (en) * | 2018-10-31 | 2019-01-22 | 中冶焦耐(大连)工程技术有限公司 | Utilize the system and method for the purifying organic polluted soil of heat transfer original position thermal desorption |
CN109603412A (en) * | 2018-11-30 | 2019-04-12 | 北京高能时代环境技术股份有限公司 | Contaminated soil thermal desorption organic tail gas handles integrated system and processing method |
CN109821874B (en) * | 2019-04-17 | 2023-09-29 | 北京建工环境修复股份有限公司 | Water and steam stopping structure and method for repairing in-situ thermal desorption soil by using structure |
CN109821874A (en) * | 2019-04-17 | 2019-05-31 | 北京建工环境修复股份有限公司 | Sealing stops vapour structure and the method with the structure assisted in situ thermal desorption soil remediation |
CN109926443A (en) * | 2019-04-25 | 2019-06-25 | 毅康科技有限公司 | A kind of soil thermal desorption integrated apparatus |
CN109926443B (en) * | 2019-04-25 | 2023-10-27 | 毅康科技有限公司 | Soil thermal desorption integrated device |
WO2021042463A1 (en) * | 2019-09-04 | 2021-03-11 | 中国地质大学(北京) | In-situ thermal injection system and process for composite organic contamination site |
CN110523761A (en) * | 2019-09-24 | 2019-12-03 | 广州威立雅固废能源技术有限公司 | A kind of device and method of concentrated combustion heat-supply type In Situ Heating contaminated soil |
CN110665952A (en) * | 2019-10-29 | 2020-01-10 | 中冶南方都市环保工程技术股份有限公司 | Energy-saving type organic contaminated soil in-situ thermal desorption remediation system and method |
CN113617814A (en) * | 2020-05-08 | 2021-11-09 | 同方环境股份有限公司 | Energy-efficient soil normal position heat restoration system |
CN112275789A (en) * | 2020-10-10 | 2021-01-29 | 合肥依科普工业设备有限公司 | Soil thermodynamic purification system |
CN112958612A (en) * | 2021-03-09 | 2021-06-15 | 上海格林曼环境技术有限公司 | In-situ thermal desorption method for repairing organic contaminated soil |
CN114226431A (en) * | 2021-12-20 | 2022-03-25 | 天津市瑞德赛恩水业有限公司 | Vertical double-cylinder thermal desorption device |
CN114260301A (en) * | 2022-01-25 | 2022-04-01 | 森特士兴环保科技有限公司 | Skid-mounted multiphase extraction equipment system |
CN114733895A (en) * | 2022-04-01 | 2022-07-12 | 中冶南方都市环保工程技术股份有限公司 | Pollute soil gas normal position thermal desorption restoration equipment |
CN114733895B (en) * | 2022-04-01 | 2023-09-15 | 中冶南方都市环保工程技术股份有限公司 | Contaminated soil gas normal position thermal desorption restoration equipment |
CN116586414A (en) * | 2023-04-19 | 2023-08-15 | 江苏维诗环境科技有限公司 | Soil remediation system based on gas thermal desorption coupling bioremediation |
Also Published As
Publication number | Publication date |
---|---|
CN107685073B (en) | 2024-05-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107685073A (en) | A kind of concentrated combustion formula original position thermal desorption prosthetic device for contaminated site | |
CN107685072A (en) | A kind of method of concentrated combustion formula original position thermal desorption reparation for contaminated site | |
CN107552554A (en) | Extracting condensation and Separate System of Water-jet for the thermal desorption reparation of contaminated site original position | |
CN107520246A (en) | Burning heat transfer and residual neat recovering system for the thermal desorption reparation of contaminated site original position | |
CN207288342U (en) | Burning heat transfer and residual neat recovering system for the thermal desorption reparation of contaminated site original position | |
CN105234164B (en) | The heterotopic biological heap gas phase extracting-bio- ventilation prosthetic device and method of a kind of organic polluted soil | |
US5325795A (en) | Mobile material decontamination apparatus | |
CN207288345U (en) | A kind of concentrated combustion formula original position thermal desorption prosthetic device for contaminated site | |
CN104150640B (en) | A kind of three grades of restorative procedures by organic hydrochloric ether polluted underground water and device | |
CN1469983A (en) | Method and system for exchanging earth energy between earthly bodies an energy exchanger, especially to produce an electric current | |
CN103203355A (en) | Ectopic thermal desorption treatment method of polluted soil | |
CN202000225U (en) | Sleeper electrical-heating steam curing system | |
ES2893848T3 (en) | Systems, method and treatment cells to rehabilitate and enhance land | |
CN112958612A (en) | In-situ thermal desorption method for repairing organic contaminated soil | |
CN107309257B (en) | Heat-enhanced vapor extraction contaminated soil remediation device and method thereof | |
CN109500043A (en) | A kind of quasi- aerobic ecological restoring method of refuse landfill and system | |
CN212216583U (en) | Heterotopic soil vapor extraction system is reinforceed to dystopy thermal desorption high temperature tail gas | |
CN207288343U (en) | Extracting condensation and Separate System of Water-jet for the thermal desorption reparation of contaminated site original position | |
CN112958613A (en) | In-situ thermal desorption system for repairing organic contaminated soil | |
CN114273411B (en) | Combined restoration system and restoration method for organic polluted site | |
CN107626730A (en) | A kind of extracting gang of wells for contaminated site in-situ immobilization engineering | |
US20220118491A1 (en) | Apparatus And Method For Ballast Leachate Evaporation For Exposed Landfill Covers | |
CN115591921A (en) | High-efficiency energy-saving in-situ gas thermal desorption system | |
CN217700631U (en) | Contaminated soil and groundwater remediation simulation system coupling heat conduction and steam injection | |
CN106238435A (en) | A kind of city landfill yard of two-way gas gathering system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 200001 floor 26, Gangtai Plaza, 700 Yan'an East Road, Huangpu District, Shanghai Applicant after: SHANGHAI GREENMENT ENVIRONMENTAL TECHNOLOGIES CO. L Address before: Room 1701, No. 688, Shuidian Road, Hongkou District, Shanghai 200083 Applicant before: SHANGHAI GREENMENT ENVIRONMENTAL TECHNOLOGIES CO. L |
|
GR01 | Patent grant | ||
GR01 | Patent grant |