CN106040724A - Solid waste thermal desorption module type emergency treatment device - Google Patents
Solid waste thermal desorption module type emergency treatment device Download PDFInfo
- Publication number
- CN106040724A CN106040724A CN201610595538.0A CN201610595538A CN106040724A CN 106040724 A CN106040724 A CN 106040724A CN 201610595538 A CN201610595538 A CN 201610595538A CN 106040724 A CN106040724 A CN 106040724A
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- gas
- desorption
- solid waste
- waste
- liquid
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- 238000003795 desorption Methods 0.000 title claims abstract description 64
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- 238000009835 boiling Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
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- 230000017525 heat dissipation Effects 0.000 description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a solid waste thermal desorption module type emergency treatment device. The device comprises a vehicle-mounted container and a loading elevator arranged in the vehicle-mounted container, and is characterized in that the loading elevator is connected with an inlet of a revolving desorption furnace arranged in the vehicle-mounted container; a decomposition furnace is arranged on the revolving desorption furnace for combustion; a gas outlet of the revolving desorption furnace is respectively connected with an inlet of a desorption gas decomposition furnace, a spraying absorption tower or/and a cooling heat exchanger; an outlet of the desorption gas decomposition furnace is connected with a spraying tower, a purifying tower and a gas recovery device in sequence; the spraying tower is also connected with a harmful waste liquid collecting box; gas outlets of the spraying absorption tower and the cooling heat exchanger are connected with the gas recovery device; and liquid outlets of the spraying absorption tower and the cooling heat exchanger are connected with a waste liquid or liquid collecting box. The device has the beneficial effects of simple structure, convenience for treatment procedures, capability of simply and quickly treating solid wastes and relief of environmental pollution.
Description
Technical field
The invention belongs to the environmental protection correlative technology field that solid waste reclaims, specifically a kind of solid waste thermal desorption
Modular emergency treatment device.
Background technology
Solid waste refers to the solid-state polluting environment produced in production and construction, daily life and other activities, partly consolidates
State waste material.Solid waste is divided into three major types, industrial solid wastes, domestic waste and hazardous waste.And it is dangerous useless
Thing refers to list in National Hazard refuse register or assert according to the hazardous waste judging standard of national regulation and discrimination method
There is the refuse of hazard property, i.e. refer to that there is one of characteristics such as toxicity, corrosivity, reactivity, inflammability, Leaching.
In actual life, owing to the long-term air storage of solid waste or industrial undertaking occur burst accident, frequently can lead to
Solid waste is leaked in soil environment.In solid waste, harmful components are at effect quilts such as rainwash, the leaching of rainwater, infiltrations
Adsorption by soil or conversion, by soil aperture to surrounding and the soil mobility of depth.Owing to absorbability and the absorption of soil are held
Amount is very big, along with the migration of leakage water, makes harmful components present accumulation in various degree in solid phase of soil, causes soil constituent
Making soil be contaminated with the change of structure, plant is again to be grown in soil, the most again plant is created pollution, seriously
Pollution even result in soil and cannot cultivate.How to remove in solid waste in the soil of harmful components or compromised accidental pollution
Harmful components are pendulum subject matter in face of us.The present situation of current process is by solid waste or contaminated soil, warp
Crossing and dig clearly, transport carries out filling or incineration disposal to the hazardous waste treatment plant having qualification, exist freight volume greatly, transportation
In, secondary pollution may be produced, process the problems such as cost of disposal is high.
Enterprise in daily production and operating activities, the traffic that the environmental accident occurred suddenly or Transportation of Dangerous Chemicals occur
Accident, the hazardous chemical meeting water quality of severe contamination incident area, soil or the air that accident is revealed, it is badly in need of incident area
The emergency processings such as sewage is quickly collected, fast purification contaminated air, the contaminated soil that timely cleaning accident causes, it is to avoid dirty
Dye scope spreads or results in greater loss, thus is badly in need of quick, modular, on-the-spot emergent collection process disposal technology and sets
Standby.
Quickly collect for the sewage of incident area and have been developed for the emergent place of difficult volatile waste liquor field module formula
Reason device, patent No. ZL 2,011 1 0314122.4；Volatile organic waste gas is had been developed for for fast purification contaminated air
Modular absorbing and purifying device, patent No. ZL 2,011 1 0314123.9.
For this problem, we are badly in need of a kind of solid waste emergency treatment device, can realize not transported by hazardous waste,
The most just can process in time.
Summary of the invention
It is an object of the invention to provide a kind of solid waste heat directly carrying out purified treatment at solid waste pollution source
Desorption modular emergency treatment device, it is possible to the process solid waste of simple and fast, to alleviate the pollution to environment.
The present invention is achieved through the following technical solutions: a kind of solid waste thermal desorption modular emergency treatment device,
It includes vehicle-mounted container, and the charging hoister being arranged in vehicle-mounted container, it is characterised in that: described feeding carries
The machine of liter is connected with the revolution desorption stove entrance being arranged in vehicle-mounted container；Revolution desorption stove is provided with burner or/and add
Hot device, bottom is provided with waste sludge discharge mouth, the gas outlet of revolution desorption stove respectively with desorption gas dore furnace, spray absorber
Or/and cooling heat exchanger entrance is connected；
Desorption gas decomposition furnace outlet is connected with spray column, purifying column and gas concentration unit successively；Spray column is also with harmful
Waste liquid collecting box connects；
The gas outlet of spray absorber is connected with gas concentration unit, and the liquid outlet of spray absorber is then received with waste liquid
Header is connected；
The gas outlet of cooling heat exchanger is connected with gas concentration unit, the liquid outlet of cooler then with liquid collecting box
It is connected.
Further: revolution desorption stove in be provided with heater and for control temperature heating temperature control and
For discharging the helical slag removing machine of waste residue.
Further: described heater includes the heat transfer cylinder of internal heater and/or fuel oil can be made to mix with solid waste
The burner of combining combustion.
Further: to be additionally provided with between described spray column and harmful waste liquid collecting box and liquid in spray column is injected harmful giving up
The elevator pump of liquid collecting box and the liquid in harmful waste liquid collecting box is injected the spray pump in spray column.
Further: on purifying column, cooling heat exchanger and spray absorber, to be also respectively provided with a gas up to standard discharge
Mouthful.
Further: described cooling heat exchanger includes the cooling being made up of refrigerant circulation case, cooling pump and cooling separator
Circulate and by the heat radiation circulation being made up of refrigerant circulation case, heat dissipation pump and radiator.
Further: purifying column gas outlet is connected with aiutage by air-introduced machine.
Further: to be also associated with waste liquid packing device on waste liquid collecting box, liquid collecting box is also associated with liquid bag
Assembling device.
The invention has the beneficial effects as follows: apparatus structure of the present invention is simple, handling process is easy, and processing speed is quick,
High treating effect, substantially increases Ability of emergency management and the efficiency of accident, safe and reliable.
This device can collect and is contained in collective conveyance in container, therefore it has fast excellent of miniaturization, motility, emergency reaction
Point.Can realize directly heating in the revolution desorption stove of this device or the heat-supplying mode such as heating indirectly, temperature can be carried out simultaneously
Control.The spies such as how much, whether this device can be able to recycle according to the content of the pollutant being desorbed, harmful or harmless
Property carry out select mode of heating, trip temperature of going forward side by side set, both saved the energy, and the harm of harmful gas can have been prevented again or explode
Deng dangerous.This device can carry out desorption timely and process the contaminated soil in any place and region, it is to avoid produce in transit
The probability of raw secondary pollution.
Herein, this device also can support the use with other emergency sets, such as: meets an urgent need with difficult volatile waste liquor field module formula
Processing means, the modular absorbing and purifying device of volatile organic waste gas, modular site environment Emergency Command Vehicle, modular should
Anxious drip washing and ensuring equipment etc. support the use, and can reach more preferable effect, and therefore, the present invention also has applied widely excellent
Point.
Accompanying drawing explanation
Fig. 1 is the technological process simplified schematic diagram of the present invention；
Fig. 2 is solid waste revolution thermal desorption and burning cell schematics in Fig. 1；
Fig. 3 is desorption gas resolving cell schematic diagram in Fig. 1；
Fig. 4 is the difficult harmless desorption gas condensation recovery unit schematic diagram that volatilizees in Fig. 1；
Fig. 5 is volatile harmless desorption gas spray absorption unit schematic diagram in Fig. 1；
Fig. 6 is Vehicular equipment connecting structure simplified schematic diagram of the present invention；
Fig. 7 is the equipment connection structure horizontal layout sketch in Fig. 6.
Critical piece explanation in figure: V101 fuel tank, C101 charging hoister, F101 burner, F102 turn round
Desorption stove, F103 heater, F104 conduct heat cylinder, C102 helical slag removing machine, T101 desorption gas dore furnace, F105
Burner of decomposition furnace, T102 spray column, P101 spray pump, P102 elevator pump, V102 harmful waste liquid collecting box,
E101 cooling separator, P103 cooling pump, E102 radiator, V104 refrigerant circulation case, P105 heat dissipation pump,
V103 condensed fluid storage bin, P104 liquid collecting pump, V105 liquid collecting box, P106 flexible package punch pump,
T103 purifying column, C103 air-introduced machine, Y101 aiutage, V01-V21 valve.
Detailed description of the invention
Below in conjunction with accompanying drawing by example, the present invention is described in further detail, but following example is only this
Bright example, does not represent the rights protection scope that the present invention is limited；The scope of the present invention is wanted with right
Book is asked to be as the criterion.
It is structure chart and the flow chart of solid waste thermal desorption modular emergency treatment device of the present invention as shown in figs. 1-7,
The inventive system comprises vehicle-mounted container, and the charging hoister C101 being arranged in vehicle-mounted container, described on
Material elevator is connected with the revolution desorption stove F102 entrance being arranged in vehicle-mounted container；Revolution desorption stove is provided with burner
F101, heater F103, be provided with heat transfer cylinder in revolution desorption stove, and heating-up temperature can realize 50 900 degrees Celsius, under
Portion is provided with waste sludge discharge mouth, the gas outlet of revolution desorption stove respectively with desorption gas dore furnace T101, spray absorber T102
Or/and cooling heat exchanger entrance is connected；Desorption gas decomposition furnace outlet reclaims with spray column, purifying column T103 and gas successively
Device is connected；The gas outlet of spray column is directly connected with gas concentration unit, is desorbed the liquid outlet of spray column then
It is connected with liquid withdrawal system；The gas outlet of cooler is directly connected with gas concentration unit, and the liquid of cooler
Outlet is then connected with liquid withdrawal system.In figure, V01-V21 is the valve controlling each position pipe switch.
Preferred: in revolution desorption stove, to be provided with heater and for controlling heating temperature control and the use of temperature
In the helical slag removing machine of discharge waste residue, it is provided with heating temperature control and can control the temperature of heating accurately at the gas that need to be desorbed
In the boiling spread of body, the gaseous impurity that can make volatilization is few, processes more accurate.
Preferred: described heater includes the heat transfer cylinder F104 of internal heater F103 and/or can make fuel oil and solid
Refuse mixes the burner F101 of combining combustion.Described heater has thermal source and solid waste non-direct contact type heating means,
Being particularly well-suited to the process of the special media such as inflammable, explosive, burner can make fuel oil and solid waste mix combining combustion, processes speed
Degree is fast, saves the energy.
Preferred: purifying column gas outlet is connected with aiutage by air-introduced machine, can discharge gas faster.
Preferred: to be also associated with waste liquid packing device on waste liquid collecting box, liquid collecting box is also associated with flexible package punch
Device, can effectively strengthen the time of use.
The work process of this device is contained in being such that first analyzing or detect solid waste can desorption gas kind
Class, heats, according to learning in advance or detecting in then solid waste being delivered to revolution desorption stove by charging hoister
Major pollutants, it is judged that it belongs to harmful gas, volatile gas or difficult volatilization gas, and according to the gas of different pollutant
The heating-up temperature of change temperature control revolution desorption stove makes it volatilize thus reaches the purpose of solid waste and separated from contaminants.
In this device heating temperature can realize 50 300 degrees Celsius, incineration temperature at 300 ~ 1100 degrees Celsius, cooling
Temperature is at 50-50 degrees Celsius.
Compound volatility refers to that compound is become the process of gas or steam from solid or liquid.Be physical property it
One.Boiling point is at the compound of 50 250 DEG C, and under room temperature, saturated vapour pressure is more than 133.32Pa, deposits the most in vapour form
The type organic being in air is volatile organic matter.Compound of the present invention is become by solid-state or liquid after being heated
For the kind apoplexy due to endogenous wind of gas, again according to compound at normal temperatures and pressures, volatility difficulty or ease, and the difficulty or ease that reclaim of later stage and be divided into and easily waving
The property sent out gas and difficult escaping gas.Wherein: effumability gas is under room temperature, normal pressure or readily volatilized gas, as
Ammonia, hydrogen chloride etc..Absorbent need to be used when the later stage reclaims to absorb because being difficult to be liquefied；Difficult escaping gas refers to often
Temperature, it is in a liquid state or solid-state under normal pressure, need to just become gas after being heated to its boiling point, such as benzene etc., but when later stage condensation recovery
Easily become liquid or solid-state and be recovered.
In the present invention, harmful gas includes all gas beyond aforementioned two kinds of gases, the most toxic, inflammable and explosive
Or there is the gas of other harms, such as toluene waste gas etc..
If volatile matter contains harmful composition, then by the on-off control of valve, it arrives desorption gas dore furnace
Further being decomposed, the gas after decomposition passes through different in purifying column after removing water miscible composition in spray column
Purifying in medicament and close remaining harmful components, after making process, gas up to standard can discharge；The harmful waste liquid produced in spray column can
First collecting to " liquid withdrawal system ", described " liquid withdrawal system " refers to Patent No. ZL2011 1 0314122.4
The processing means that " difficult volatile waste liquor field module formula emergency treatment device " patent is announced.
If volatile matter is volatile innocuous gas, then by the on-off control of valve, it arrives spray absorber, by inhaling
The middle conjunction receiving liquid absorbs, and reaches emission request, completes the absorbing liquid after absorbing and focuses on waste liquid collecting box last recycling of packaging
Process.
If volatile matter difficult volatilization innocuous gas, then by the on-off control of valve, it arrives cooling heat exchanger, by cold
But make it become liquid condition, and then collect and recycling of packaging process.
If the gas processed is up to standard through inspection, can directly discharging, if still containing the waste gas that exceeds standard, the waste gas that exceeds standard can be received
Collection is to " gas concentration unit ", and described " gas concentration unit " refers to " volatilization of Patent No. ZL2011 1 0314123.9
The modular absorbing and purifying device of property organic exhaust gas " processing means announced of patent.
The implementation process of the present invention is described with instantiation below.
Example 1: enterprise's hydrochloric acid tank generation outburst surroundings accident causes Soil Surrounding to pollute
As a example by the process disposal that 20% hydrochloric acid tank generation outburst surroundings accident causes Soil Surrounding to pollute.20% hydrochloric acid is burst
Environment event class occurred frequently emphasis prevention and control chemicals, is also one of water body characteristic contamination.If it occur that leakage, the most quickly it is seeped into
Soil, also can cause severe contamination to surrounding body.Contaminated soil and polluted-water thereof need to be carried out clearly by the scene of the accident immediately
Reason also processes in time.First on-the-spot to expand, next to that will as far as possible by arranging cofferdam prevention and treatment range of being dammed by the hydrochloric acid of leakage
The liquid dammed is by adding solid adsorption material, such as soil, sandstone, activated carbon and nertralizer sodium hydroxide etc..3rd
It is the solid waste such as contaminated soil, mud to carry out cleaning packaging send the unit of qualification to carry out burning or landfill stabilization.
Present case causes Soil Surrounding to pollute for 20% hydrochloric acid tank generation outburst surroundings accident.Then by solid waste heat
Desorption modular emergency treatment device quickly transports to scene, disposes by hydrochloric acid contaminated soil at the scene, can not use secondary
Additive such as sandstone, activated carbon, nertralizer etc., the soil after in-situ processing can go back field on the spot simultaneously, because all contaminants
Hydrochloric acid all will be evaporated from soil by heating.It can in addition contain recovery hydrochloric acid.
Concrete operations flow process is: by charging hoister C101, the soil containing 20% hydrochloric acid pollutant is transported to revolution
In desorption stove F102, burner F101 igniting is heated, and temperature controller is adjusted to more than 108 DEG C (i.e. the boiling point of hydrochloric acid),
So, when heating reaches this temperature, all become HCL gas after the 20% heated evaporation of hydrochloric acid or burning and evaporate from soil
Come, close V01, open V02, close V03, open V04, close V05, open V06, allow hydrogen chloride gas enter spray column T
102, open valve V7, V10 and close valve closing V9, open V11, by pump P101, the water of V102 water tank is squeezed into spray column T102, spray
Drench and absorb HCl gas, gas is become liquid, i.e. dilute hydrochloric acid.By dilute hydrochloric acid by pump P101 circulated sprinkling.Spray column T
Dilute hydrochloric acid in 102 automatically turns on elevator pump P102 and takes out and rise to useless by dilute hydrochloric acid in spray column T102 after reaching certain liquid level
In liquid collecting box V102, after spray terminates.Open V09, close V10 and pass through pump P101 again by giving up in waste liquid collecting box V102
Liquid gets to waste collecting device, so completes the thermal desorption of waste hydrochloric acid in contaminated soil, spray-absorption, reclaims dilute hydrochloric acid the most sharp
Handling process.
Example 2: the vehicle generation outburst surroundings accident of transport toluene causes Soil Surrounding to pollute
Toluene is unexpected environmental accident class occurred frequently emphasis prevention and control chemicals, is also one of Atmospheric Characteristics pollutant.As transported toluene
Vehicle generation vehicle accident cause a large amount of toluene leakage and be quickly seeped in soil, part toluene will slowly be evaporated to air
In environment, health is damaged.Immediately the contaminated soil of the scene of the accident need to be cleared up and processed in time.
Emergency processing: withdraw rapidly leakage pollution district personnel to place of safety, and isolate, strictly limit discrepancy.Cut off
Burning things which may cause a fire disaster.Emergency processing personnel wear self-supporting positive-pressure type respiratory organ, wear frog suit.Cut off source of leaks as far as possible.Prevent flow into sewer,
The limiting substrate such as tidal channel.
A large amount of leakages: the hydrochloric acid of leakage to be dammed anti-by arranging cofferdam, constructing embankment or collecting of digging pit by first scene
Control expanded range, next to that the emulsion spray as far as possible the gas noninflammability dispersant of volatilization made, by spray adsorption liquid
Become liquid to house, by foam coverage, reduce steam disaster.The liquid dammed or spray are adsorbed into liquid by the 3rd, pass through
Add solid adsorption material, such as soil, sandstone, activated carbon and nertralizer sodium hydroxide etc..4th be by contaminated soil,
The solid waste such as mud are transferred in tank car or special collector with explosion-proof pump, reclaim or are transported to the unit of qualification and burn
Or landfill stabilization.
Present case causes Soil Surrounding to pollute for the vehicle generation outburst surroundings accident of transport toluene.First solid waste
Thermal desorption modular emergency treatment device quickly transports to scene, is transported to back by charging hoister C101 by toluene concentration soil
Turn in desorption stove F102, by the heating agent in electric heater F103 heating heat transfer cylinder, by heat transfer cylinder, heat is passed to revolution and be desorbed
By the toluene in toluene concentration soil in stove F102, be heated and become gas, gradually rise temperature control in-furnace temperature 111.6 DEG C with
Upper (i.e. the boiling point of toluene), closes V03, V04, opens V02, and then desorption gas enters cooling separator E101, opens V14,
Open cooling pump P103, the desorption gas entering cooling separator E101 is cooled down, desorption gas condensation is become liquid, storage
Exist in condensed fluid storage bin V103, after reaching certain liquid level, open V13, open liquid collecting pump P104 and condensed fluid is stored up
Deposit the liquid toluene collected in case V103 to rise in liquid collecting box V105, be then turned on V21, open flexible package punch pump P106 barrelling
Packaging, reclaims toluene and recycles.Open heat dissipation pump P105, open the coolant that temperature raised of V15 from refrigerant circulation case V104
It is promoted in radiator E102 be dispelled the heat by fin.Guarantee that refrigerant circulation uses.
Trace toluene gas, from cooling separator E101 top, by opening V12, closes V17, is introduced by trace toluene waste gas and lives
Property carbon purifying tower T103 absorption cleaning, open V18, finally by air-introduced machine C103 from aiutage Y101 discharge, reach discharge mark
Air is entered after standard；The not up to gas of discharge standard is closed V19, is opened V20 entrance gas concentration unit.
Example 3: acrylamide accumulation risk class chemicals causes Soil Surrounding to pollute
Acrylamide is a kind of white crystal chemical substance, is the raw material producing polyacrylamide.Polyacrylamide is mainly used in
Water purification process, the processing of paper pulp and the undercoating etc. of pipeline, water injection well in oil fields adjusts intake profile, by this product and initiator
Inject water injection well high permeability zone band Deng mixing, aggregate into full-bodied polymer.Research shows, human body can pass through digestive tract, exhale
Inhaling the number of ways such as road, skin mucosa contact acrylamide, drinking-water is an important route of exposure therein.
Acrylamide is a kind of unsaturated amides, calls AM, and monomer whose is water white transparency flaky crystal, boiling point 125 DEG C
(3325Pa), fusing point 84 ~ 85 DEG C, density 1.122g/cm3.Water, ethanol, ether, acetone, chloroform can be dissolved in, insoluble in benzene and heptan
In alkane, in acid or alkali environment, hydrolyzable becomes acrylic acid.It is the monomer of organic synthesis material, produces medicine, dyestuff, the centre of coating
Body.Acrylamide monomer is the most stable, but when being in fusing point or temperatures above, oxidizing condition and the work at ultraviolet
It is easy under with polyreaction.When heating makes it dissolve, acrylamide discharges strong corrosive gas and nitrogen
Oxide-based compound.Inflammable, by pyrolytic decomposition releasing corrosive gas.Toxicity is very big, LD50126mg/kg.To nervus centralis
System has harm, thereby increases and it is possible to carcinogenic, and eyes and skin are also had strong impulse effect.Within 1974, Fukuoka, Japan once occurred third
Acrylamide poisoning.Air allows contact limit: U.S. TWA is 0.3mg/m3(ACGIH), 0.02 ~ 0.07mg/L in water.
The acute toxicity tests shows: belong to moderate toxicity material.
Reproductive and developmental toxicity: the research of substantial amounts of animal experiment shows that acrylamide mainly causes neurotoxicity, for reproduction, sends out
Educate toxicity.
Genetoxic: acrylamide is all presented with mutagenic action in vivo with in vitro tests, can cause mammalian body
Cell and the gene mutation of sexual cell and chromosomal abnormality.
Carcinogenecity: its carcinogenecity is evaluated, by acrylamide by international cancer research institution (IARC) for 1994
It is classified as 2 class carcinogen (2A) the i.e. mankind and is potentially carcinogenic thing.
Real data: to the professional population of contact acrylamide and the stream of crowd that is accidentally exposed to acrylamide because of accident
Row disease learns investigation, all shows that acrylamide has neurotoxic effect.
Acrylic amide accumulative risk class chemicals is owing to the long term accumulation of daily productive life may cause a certain district
The soil in territory is by the long-term accumulative pollution of acrylic amide.
Present case is the harmlessness disposing causing Soil Surrounding to pollute for acrylamide accumulation risk class chemicals.
First solid waste thermal desorption modular emergency treatment device is transported to scene, contaminated soil is carried by feeding
Rise machine C101 to be desorbed in stove F102 by material lifting to revolution, put burner F101, be heated to 125 DEG C of (boilings of acrylamide
Point) more than time, acrylamide is evaporated from contaminated soil and becomes gas, close V02, open V03 by thermal desorption gas
Introduce gas dore furnace T101, be heated to more than 300 DEG C by burner F105, carry out pyrolytic decomposition one-tenth H2O, CO, NH3, enter
It is H that one step is heated to more than 500 DEG C then thermally decomposing gas2O, CO2、NO2, close V04, open V05, V06 decomposition gas entrance spray
Tower T102, after T102 sprays, waste liquid liquid enters V102, and by pump P101 pumping liquid retracting device, gas is by beating
Opening V16, V17, closedown V12, enter purifying column T103, purified gas is drawn by blower fan C102, up to standard after pass through, open
V19 discharges, and below standard gas is by closing V19, opening V20 entrance gas concentration unit.
Solid waste thermal desorption modular emergency treatment device of the present invention can also carry out heat to other solid waste
Desorption processes, and principle is identical, high treating effect.
In sum, present invention have the advantage that
This apparatus structure is simple, and handling process is easy, and processing speed is fast, and high treating effect substantially increases the emergent place of accident
Reason ability, safe and reliable.
This device can collect and is contained in collective conveyance in container, therefore it has fast excellent of miniaturization, motility, emergency reaction
Point.Can realize directly heating in the revolution desorption stove of this device or the heat-supplying mode such as heating indirectly, temperature can be carried out simultaneously
Control.The spies such as how much, whether this device can be able to recycle according to the content of the pollutant being desorbed, harmful or harmless
Property carry out select mode of heating, trip temperature of going forward side by side set, i.e. save the energy, the harm of harmful gas can be prevented again or explode
Deng dangerous.This device can carry out desorption timely and process the contaminated soil in any place and region, it is to avoid produce in transit
The probability of raw secondary pollution.
Herein, this device also can support the use with other emergency sets, such as: the emergent place of difficult volatile waste liquor field module formula
Reason device, the modular absorbing and purifying device of volatile organic waste gas, modular site environment Emergency Command Vehicle, modular are met an urgent need
Drip washing and ensuring equipment etc. support the use, and can reach more preferable effect, and therefore, the present invention also has advantage applied widely.
Claims (8)
1. a solid waste thermal desorption modular emergency treatment device, it includes vehicle-mounted container, and is arranged on vehicle-mounted
Charging hoister in formula container, it is characterised in that: described charging hoister and the revolution being arranged in vehicle-mounted container
Desorption stove entrance is connected；Revolution desorption stove is provided with burner or/and heater, and bottom is provided with waste sludge discharge mouth, revolution desorption
The gas outlet of stove respectively with desorption gas dore furnace, spray absorber or/and cooling heat exchanger entrance is connected；
Desorption gas decomposition furnace outlet is connected with spray column, purifying column and gas concentration unit successively；Spray column is also with harmful
Waste liquid collecting box connects；
The gas outlet of spray absorber is connected with gas concentration unit, and the liquid outlet of spray absorber is then received with waste liquid
Header is connected；
The gas outlet of cooling heat exchanger is connected with gas concentration unit, the liquid outlet of cooler then with liquid collecting box
It is connected.
Solid waste thermal desorption modular emergency treatment device the most according to claim 1, it is characterised in that: de-in revolution
Heater it is provided with and for controlling the heating temperature control of temperature and for discharging the helical slag removing machine of waste residue in attached stove.
Solid waste thermal desorption modular emergency treatment device the most according to claim 2, it is characterised in that add described in:
Thermal includes the heat transfer cylinder of internal heater and/or fuel oil and solid waste can be made to mix the burner of combining combustion.
Solid waste thermal desorption modular emergency treatment device the most according to claim 1, it is characterised in that: described spray
It is additionally provided with between tower and harmful waste liquid collecting box and liquid in spray column is injected the elevator pump of harmful waste liquid collecting box and will be harmful to
Liquid in waste liquid collecting box injects the spray pump in spray column.
Solid waste thermal desorption modular emergency treatment device the most according to claim 1, it is characterised in that: purifying
A gas discharge outlet up to standard it is also respectively provided with on tower, cooling heat exchanger and spray absorber.
Solid waste thermal desorption modular emergency treatment device the most according to claim 1, it is characterised in that: described cooling
Cooling circulation that heat exchanger includes being made up of refrigerant circulation case, cooling pump and cooling separator and by by refrigerant circulation case, dissipate
The heat radiation circulation that heat pump and radiator are constituted.
Solid waste thermal desorption modular emergency treatment device the most according to claim 1, it is characterised in that: purifying column goes out
QI KOU is connected with aiutage by air-introduced machine.
Solid waste thermal desorption modular emergency treatment device the most according to claim 1, it is characterised in that: waste collection
It is also associated with waste liquid packing device on case, liquid collecting box is also associated with liquid-packaging device.
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| CN114904903A (en) * | 2022-05-27 | 2022-08-16 | 江苏省环境科学研究院 | Quick emergency thermal desorption device for petroleum hydrocarbon leakage contaminated soil |
| CN114918239A (en) * | 2022-05-27 | 2022-08-19 | 江苏省环境科学研究院 | Vehicle-mounted rapid emergency thermal desorption device |
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