CN108870424A - A kind of soil restoring device and its restorative procedure - Google Patents
A kind of soil restoring device and its restorative procedure Download PDFInfo
- Publication number
- CN108870424A CN108870424A CN201810786218.2A CN201810786218A CN108870424A CN 108870424 A CN108870424 A CN 108870424A CN 201810786218 A CN201810786218 A CN 201810786218A CN 108870424 A CN108870424 A CN 108870424A
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- soil
- hot
- air
- desorber
- heat exchanger
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- 239000002689 soil Substances 0.000 title claims abstract description 101
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000012716 precipitator Substances 0.000 claims abstract description 26
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 18
- 231100000719 pollutant Toxicity 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 14
- 230000003197 catalytic effect Effects 0.000 claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000003795 desorption Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000006555 catalytic reaction Methods 0.000 claims description 10
- 238000009835 boiling Methods 0.000 claims description 8
- 230000008602 contraction Effects 0.000 claims description 3
- 238000005067 remediation Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000009469 supplementation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 15
- 239000005416 organic matter Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000004880 explosion Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002680 soil gas Substances 0.000 description 1
- 239000003802 soil pollutant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/005—Extraction of vapours or gases using vacuum or venting
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Air Supply (AREA)
Abstract
The invention discloses a kind of soil restoring device and its restorative procedures, including hot-blast stove and desorber, the feed inlet communicated with inner cavity is offered at the top of the desorber, the bottom discharge port of desorber is connected with heat exchanger, desorber is located on the side wall of feed inlet one side and is connected by pipeline with hot precipitator, desorber, which is located on the inner peripheral surface of discharge port one side, is equipped with air-distribution device, and air-distribution device also passes through pipeline and is connected with booster fan, and the heat exchanger and desorber junction have installed outlet valve additional.This soil restoring device, contaminated soil enters in desorber, under the action of booster fan and air-distribution device, contaminated soil is in fluidized state in desorber, under the action of hot wind, pollutant in contaminated soil is sufficiently desorbed, by removing to the dust in gas, polluted gas enters catalytic burner, under the effect of the catalyst, pollutant is catalyzed and is burnt, is recycled.
Description
Technical field
The present invention relates to environmental protection technical field, specially a kind of soil restoring device and its restorative procedure.
Background technique
Currently, the recovery technique for volatile organic contaminant soil mainly has：Incineration method, light degradation technology, soil
Gas phase extraction technique, Soil leaching technology etc..But soil incineration technology thoroughly destroys the property of soil, Soil leaching skill
Art reparation is not thorough and is also easy to produce the problems such as secondary pollution and higher cost.
Compare application number：CN102671526A, wherein use Low Temperature Plasma Treating organic pollutant, exist burning and
The danger of explosion, the present invention is using catalysis burning（Belong to flameless combustion）, solve the problems, such as this, the desorption of organic matter is adopted in soil
With fluidized bed form（Soil is in suspended state, is conducive to pollutant in soil and sufficiently desorbs）；Soil thermal energy after desorption obtains
To making full use of, energy conservation, the cooling of soil uses cooling indirectly, avoids the pollution of reentrainment of dust.
Compare application number：CN103495598A, the air heating for desorption use indirect hot wind stove heating, avoid
Organic matter is directly entered the danger that explosion is generated in burner.
Summary of the invention
The purpose of the present invention is to provide a kind of soil restoring device and its restorative procedure, solve in background technique etc.
Problem.
To achieve the above object, the present invention provides the following technical solutions：A kind of soil restoring device, including hot-blast stove reconciliation
Tower is inhaled, the top of the desorber is equipped with the feed inlet that soil pours into, and the bottom discharge port of desorber is connected with progress heat and sets
The heat exchanger changed, desorber are located on the side wall of feed inlet one side and are connected by pipeline with hot precipitator, and desorber is located at
Air-distribution device for making soil boiling get up is installed on the inner peripheral surface of material mouth one side, the pipeline below the air-distribution device with plus
Pressure fan is connected, and heat exchanger and desorber junction have installed outlet valve additional, and the bottom sidewall of heat exchanger is equipped with what air-flow entered
Hot-blast outlet is offered on air intlet, heat exchanger and the symmetrical other side of air intlet, air intlet and hot-blast outlet are formed
Airflow channel, it is evenly distributed in the heat exchanger cavity between air intlet and hot-blast outlet to have heat exchanger tube, the gas on airflow channel
Body carries out heat exchange on heat exchanger tube, and the pipeline covered on hot-blast outlet is in parallel with the inlet tube of hot-blast stove, and the hot wind of generation is again
The secondary hot-blast stove that enters realizes thermodynamic cycle, and the main pipeline for heat air delivery is connected between the booster fan and hot-blast stove,
Storage hopper in the hot precipitator inner cavity, which is used to store from hot precipitator, collects the soil come, hot precipitator
Bottom end is connected with discharge nozzle, and storage is discharged to a certain amount of from discharge nozzle, and the side wall of hot precipitator also passes through pipeline and catalysis is fired
Burner connects, and catalyst is filled in the inner cavity of catalytic burner, and the tail end of catalytic burner passes through tee tube and main pipeline phase
It connects, the hot wind generated after catalysis burning enters booster fan from main pipeline.
Preferably, the junction of the air-distribution device and desorption inner wall of tower is equipped with telescopic rod, the two sides of air-distribution device
It covers on telescopic rod, the inside closure of the extension and contraction control desorber of telescopic rod.
Preferably, the nozzle of the pipeline of the booster fan connection is towards air-distribution device, for making soil boiling get up
Air-distribution device forms fluidized state under the high pressure draught that booster fan generates, and the dust partially flown upward is absorbed into hot precipitator
It is interior.
Preferably, the organic matter in the desorber soil is converted to gaseous pollutant after desorbing, and is burnt by catalysis
Device burning processing.
A kind of method of soil remediation, includes the following steps：
S1：After air-distribution device is fully deployed, hot-blast stove is opened, opens booster fan, opens inlet valve, contaminated soil enters solution
It inhales in tower and falls in the air-distribution device for making soil boiling get up, it is dirty under the action of booster fan and air-distribution device
Soil is contaminated sufficiently to desorb the pollutant in contaminated soil under the action of hot wind in fluidized state in desorber
Come, pollutant enters in gas；
S2：Gas enters in hot precipitator, and by removing to the dust in gas, polluted gas enters catalysis burning
Device is catalyzed pollutant and burns under the effect of the catalyst, and the hot wind of burning iterates through circulating valve and enters in system, recycles
It uses, is partially emptied by blow valve；
S3：The contaminated soil of desorption enters heat exchanger by outlet valve, carries out heat exchange with the heat exchanger tube in heat exchanger, heating needs
The air to be supplemented reduces the temperature of contaminated soil, and the soil after heat exchange is by discharge port discharge system, through examining qualified soil
Earth continues to pour into, and the air after heating enters hot-blast stove, the hot wind that replenishment system needs from hot-blast outlet；
S4：Hot precipitator following settings storage hopper can store the soil of certain time, pass through discharge nozzle after storage is a certain amount of
It is discharged from discharge port.
Preferably, described to be directed in S3 after air-distribution device opening, the bottom of desorber has certain space that soil is allowed to fall
To heat exchanger.
Compared with prior art, the beneficial effects of the invention are as follows：
1. soil restoring device and restorative procedure first turn on hot-blast stove, booster fan is opened, contaminated soil enters desorption
In tower, under the action of booster fan and air-distribution device, contaminated soil is in fluidized state in desorber, by Polluted Soil
Pollutant in earth sufficiently desorbs, and carries out heat exchange with the heat exchanger tube in heat exchanger, reduces the temperature of contaminated soil, exchanges heat
Soil afterwards is by blow-off valve discharge system, and through examining qualified soil to continue to backfill, not qualified soil pours at desorption again
Reason；Soil thermal energy after desorption is fully used, energy conservation, and the cooling of soil uses cooling indirectly, avoids reentrainment of dust
Pollution.
2. soil restoring device and restorative procedure, the air after heating enters hot-blast stove by valve, and replenishment system needs
The hot wind wanted, the dust in hot precipitator gas are removed, and under the effect of the catalyst, are catalyzed and are burnt to pollutant, combustion
The hot wind of burning iterates through circulating valve and enters in system, is recycled, is partially emptied by blow valve, the sky for desorption
Gas heating uses indirect hot wind stove heating, avoids organic matter and is directly entered the danger for generating explosion in burner.
Detailed description of the invention
Fig. 1 is overall structure figure of the invention.
In figure：1, hot-blast stove；2, booster fan；3, desorber；31, feed inlet；32, inlet valve；33, air-distribution device；34,
Outlet valve；4, heat exchanger；41, air intlet；42, heat exchanger tube；43, hot-blast outlet；5, hot precipitator；51, storage hopper；52,
Discharge nozzle；6, catalytic burner；61, catalyst；7, main pipeline.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of soil restoring device, including hot-blast stove 1 and desorber 3, the top of desorber 3 are equipped with soil
The feed inlet 31 poured into uses fillet process at the bore of feed inlet 31, and feed inlet 31 is the main thoroughfare that soil enters,
Soil enters after inlet valve 32 is opened, while fillet handles the abrasion for avoiding prolonged use from causing corner, the bottom of desorber 3
Portion's discharge port is connected with the heat exchanger 4 for carrying out heat displacement, and the organic matter in 3 soil of desorber is converted to gaseous state after desorbing
Pollutant is catalyzed burning processing by catalytic burner 6, and desorber 3 is located on the side wall of 31 one side of feed inlet through pipeline and height
Warm deduster 5 connects, and desorber 3 is located at the air-distribution device installed on the inner peripheral surface of discharge port one side for making soil boiling get up
33, the pipeline of the lower section of air-distribution device 33 is connected with booster fan 2, and the nozzle of the pipeline of the connection of booster fan 2 is towards air-distribution device
33, the soil being placed on air-distribution device 33 forms fluidized state under the high pressure draught that booster fan 2 generates, in high-temperature gas
Under the action of, the organic matter in soil is desorbed, is collected in the dust partially flown upward to hot precipitator 5, simultaneously
Also it is dusted by hot precipitator 5, the junction of air-distribution device 33 and 3 inner wall of desorber is equipped with telescopic rod, air-distribution device
33 two sides cover on telescopic rod, and the inside closure of the extension and contraction control desorber 3 of telescopic rod, telescopic rod controls air-distribution device 33
Whether 3 inner cavity of desorber is isolated, when isolation, soil can be fallen on air-distribution device 33, and will not influence air-flow
Flowing, heat exchanger 4 and 3 junction of desorber have installed outlet valve 34 additional, and the bottom sidewall of heat exchanger 4 is equipped with the sky that air-flow enters
Gas import 41, air intlet 41 accelerate the flowing of air, offer heat on heat exchanger 4 and the symmetrical other side of air intlet 41
Wind outlet 43, air intlet 41 and hot-blast outlet 43 form airflow channel, the heat exchange between air intlet 41 and hot-blast outlet 43
Evenly distributed in 4 inner cavity of device to have heat exchanger tube 42, the gas on airflow channel carries out heat exchange, hot-blast outlet 43 on heat exchanger tube 42
The pipeline of upper covering is in parallel with the inlet tube of hot-blast stove 1, and the hot wind of generation is again introduced into hot-blast stove 1 and realizes thermodynamic cycle, pressurization
The main pipeline 7 for heat air delivery is connected between blower 2 and hot-blast stove 1, the storage hopper 51 in 5 inner cavity of hot precipitator is used for
The soil to come from desorber 3 is stored, the dust being dusted in hot precipitator 5 forms one after being packed together for a long time
Quantitative soil, the bottom end of hot precipitator 5 are connected with discharge nozzle 52, and storage is discharged to a certain amount of from discharge nozzle 52, and high temperature removes
The side wall of dirt device 5 also passes through pipeline and connects with catalytic burner 6, and catalyst 61, catalysis are filled in the inner cavity of catalytic burner 6
The tail end of burner 6 is connected by tee tube with main pipeline 7, and the hot wind generated after catalysis burning enters pressurization wind from main pipeline 7
Machine 2 carries out the recycling of heat, is handled using the technique that gaseous pollutant is handled, and is burnt, will not be occurred using catalysis
It explodes, the soil thermal energy after desorption is fully used, energy conservation, and the cooling of soil uses cooling indirectly, avoids reentrainment of dust
Pollution, the air heating for desorption uses indirect hot wind stove heating, avoids organic matter and is directly entered in burner and produces
The danger of raw explosion.
A kind of method of soil remediation, includes the following steps：
Step 1：After air-distribution device 33 is fully deployed, hot-blast stove 1 is opened, opens booster fan 2, opens inlet valve 32, pollution
Soil enters in desorber 3 and falls in for making soil boiling get up air-distribution device 33, in booster fan 2 and air-distribution device
Under the action of 33, contaminated soil is in fluidized state in desorber 3, under the action of hot wind, by the dirt in contaminated soil
Dye object sufficiently desorbs, and pollutant enters in gas；
Step 2：Gas enters in hot precipitator 5, and by removing to the dust in gas, polluted gas, which enters, is urged
Change burner 6, under the action of catalyst 61, pollutant is catalyzed and is burnt, the hot wind of burning, which iterates through circulating valve and enters, is
In system, it is recycled, is partially emptied by blow valve；
Step 3：The contaminated soil of desorption enters heat exchanger 4 by outlet valve 34, after air-distribution device 33 is opened, the bottom of desorber 3
Portion has certain space that soil is allowed to fall in heat exchanger 4, carries out heat exchange with the heat exchanger tube 42 in heat exchanger 4, heating needs
The air of supplement reduces the temperature of contaminated soil, and the soil after heat exchange is by discharge port discharge system, through examining qualified soil
Continue to backfill, not qualified soil pours into desorption processing again, and the air after heating enters hot-blast stove 1, supplement from hot-blast outlet 43
The hot wind that system needs；
Step 4：5 following settings storage hopper 51 of hot precipitator can store the soil of certain time, store a certain amount of rear logical
Discharge nozzle 52 is crossed to be discharged from discharge port.
In conclusion soil restoring device proposed by the present invention and restorative procedure, first turn on hot-blast stove 1, pressurization is opened
Blower 2, contaminated soil enter in desorber 3, and under the action of booster fan 2 and air-distribution device 33, contaminated soil is being desorbed
Be in fluidized state in tower 3, the pollutant in contaminated soil sufficiently desorbed, with the heat exchanger tube 42 in heat exchanger 4 into
Row heat exchange reduces the temperature of contaminated soil, and the soil after heat exchange is by blow-off valve discharge system, through examining qualified soil to return
It fills out, the air after heating enters hot-blast stove 1 by valve, the hot wind that replenishment system needs, the dust in 5 gas of hot precipitator
It is removed, under the action of catalyst 61, pollutant is catalyzed and is burnt, the hot wind of burning iterates through circulating valve and enters system
It is interior, it is recycled, is partially emptied by blow valve.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of soil restoring device, including hot-blast stove（1）And desorber（3）, it is characterised in that：The desorber（3）Top
Portion is equipped with the feed inlet that soil pours into（31）, desorber（3）Bottom discharge port be connected with carry out heat displacement heat exchanger
（4）, desorber（3）Positioned at feed inlet（31）Pass through pipeline and hot precipitator on the side wall of one side（5）Connect, desorber（3）
Air-distribution device for making soil boiling get up is installed on the inner peripheral surface of discharge port one side（33）, the air-distribution device（33）
The pipeline and booster fan of lower section（2）It is connected, heat exchanger（4）With desorber（3）Junction has installed outlet valve additional（34）, heat exchanger
（4）Bottom sidewall be equipped with air-flow enter air intlet（41）, heat exchanger（4）With air intlet（41）The symmetrical other side
On offer hot-blast outlet（43）, air intlet（41）And hot-blast outlet（43）Form airflow channel, air intlet（41）And heat
Wind outlet（43）Between heat exchanger（4）It is evenly distributed in inner cavity to have heat exchanger tube（42）, the gas on airflow channel is in heat exchanger tube
（42）Hometown earth after interior desorption carries out heat exchange, hot-blast outlet（43）The pipeline and hot-blast stove of upper covering（1）Inlet tube simultaneously
Connection, the hot wind of generation are again introduced into hot-blast stove（1）Realize thermodynamic cycle, the booster fan（2）With hot-blast stove（1）Between connect
There is the main pipeline for heat air delivery（7）, the hot precipitator（5）Storage hopper in inner cavity（51）For storing high-temperature dust removal
Device collects the soil come, hot precipitator（5）Bottom end be connected with discharge nozzle（52）, store to a certain amount of from discharge nozzle
（52）Discharge, hot precipitator（5）Side wall also pass through pipeline and catalytic burner（6）Connect, catalytic burner（6）Inner cavity
In be filled with catalyst（61）, catalytic burner（6）Tail end pass through tee tube and main pipeline（7）Connect, is produced after catalysis burning
Raw hot wind is from main pipeline（7）Into booster fan（2）.
2. a kind of soil restoring device according to claim 1, it is characterised in that：The air-distribution device（33）With desorber
（3）The junction of inner wall is equipped with telescopic rod, air-distribution device（33）Two sides cover on telescopic rod, the extension and contraction control of telescopic rod
Desorber（3）Inside closure.
3. a kind of soil restoring device according to claim 1, it is characterised in that：The booster fan（2）The pipe of connection
The nozzle in road is towards air-distribution device（33）, for make soil boiling get up air-distribution device（33）On soil in booster fan
（2）Fluidized state is formed under the high pressure draught of generation, the dust partially flown upward is brought by gas to hot precipitator（5）It is interior.
4. a kind of soil restoring device according to claim 1, it is characterised in that：The desorber（3）Having in soil
Machine object is converted to gaseous pollutant after desorbing, by catalytic burner（6）It is catalyzed burning processing.
5. a kind of restorative procedure of soil restoring device according to claim 1, which is characterized in that include the following steps：
S1：By air-distribution device（33）After being fully deployed, hot-blast stove is opened（1）, open booster fan（2）, open inlet valve（32）,
Contaminated soil enters desorber（3）In the middle and fall in for make soil boiling get up air-distribution device（33）On, in booster fan（2）
And air-distribution device（33）Under the action of, contaminated soil is in desorber（3）It is in fluidized state in the middle, it, will under the action of hot wind
Pollutant in contaminated soil sufficiently desorbs, and pollutant enters in gas；
S2：Gas enters hot precipitator（5）In the middle, by removing to the dust in gas, polluted gas enters catalysis
Burner（6）, in catalyst（61）Under the action of, pollutant is catalyzed and is burnt, the hot wind of burning iterates through circulating valve entrance
In system, it is recycled, is partially emptied by blow valve；
S3：The contaminated soil of desorption passes through outlet valve（34）Into heat exchanger（4）, with heat exchanger（4）Interior heat exchanger tube（42）Into
The air required supplementation with is heated in row heat exchange, reduces the temperature of contaminated soil, and the soil after heat exchange is discharged by discharge port is
System, through examining qualified soil to continue to backfill, not qualified soil pours into desorption processing again, and the air after heating is from hot-blast outlet
（43）Into hot-blast stove（1）, the hot wind of replenishment system needs；
S4：Hot precipitator（5）Following settings storage hopper（51）, the soil of certain time can be stored, is stored a certain amount of rear logical
Cross discharge nozzle（52）It is discharged from discharge port.
6. a kind of method of soil remediation as described in claim 1, which is characterized in that including described for air-distribution device in S3
（33）After opening, desorber（3）Bottom have certain space that soil is allowed to fall to heat exchanger（4）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810786218.2A CN108870424A (en) | 2018-07-17 | 2018-07-17 | A kind of soil restoring device and its restorative procedure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810786218.2A CN108870424A (en) | 2018-07-17 | 2018-07-17 | A kind of soil restoring device and its restorative procedure |
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| CN108870424A true CN108870424A (en) | 2018-11-23 |
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| CN201810786218.2A Pending CN108870424A (en) | 2018-07-17 | 2018-07-17 | A kind of soil restoring device and its restorative procedure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125165A (en) * | 2019-05-31 | 2019-08-16 | 西安交通大学 | A kind of showering technique for VOCs/SVOCs contaminated soil |
| CN110193511A (en) * | 2019-05-31 | 2019-09-03 | 西安交通大学 | A kind of fluidized bed desorber for VOCs/SVOCs contaminated soil remediation |
| CN115026117A (en) * | 2022-06-13 | 2022-09-09 | 重庆市固体废物管理服务中心有限公司 | Heavy metal contaminated soil repair system |
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| CN102069088A (en) * | 2010-11-23 | 2011-05-25 | 南京农业大学 | System for repairing organic contaminated soil by soil ventilation-vertical desorption furnace |
| CN102527711A (en) * | 2012-03-02 | 2012-07-04 | 武汉都市环保工程技术股份有限公司 | Movable type contaminated soil remediation system adopting recirculating fluidized bed |
| CN103658165A (en) * | 2013-12-10 | 2014-03-26 | 北京鼎实环境工程有限公司 | Energy-saving type thermal-desorption repairing treatment system for organic polluted soil |
| CN106424111A (en) * | 2016-09-29 | 2017-02-22 | 豆海建 | Soil restoration device and method |
| CN106512686A (en) * | 2016-11-24 | 2017-03-22 | 华中科技大学 | Thermal desorption tail gas treatment system for organic contaminated soil |
| CN107983765A (en) * | 2017-12-19 | 2018-05-04 | 中石化炼化工程（集团）股份有限公司 | Organic pollution soil repair system and technique |
| CN208504418U (en) * | 2018-07-17 | 2019-02-15 | 长沙奥邦环保实业有限公司 | A kind of soil restoring device |
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| CN110193511A (en) * | 2019-05-31 | 2019-09-03 | 西安交通大学 | A kind of fluidized bed desorber for VOCs/SVOCs contaminated soil remediation |
| CN110193511B (en) * | 2019-05-31 | 2021-07-27 | 西安交通大学 | Fluidized bed desorption tower for repairing VOCs/SVOCs contaminated soil |
| CN115026117A (en) * | 2022-06-13 | 2022-09-09 | 重庆市固体废物管理服务中心有限公司 | Heavy metal contaminated soil repair system |
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Application publication date: 20181123 |