CN107983759A - Organic polluted soil original position thermal desorption prosthetic device - Google Patents
Organic polluted soil original position thermal desorption prosthetic device Download PDFInfo
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- CN107983759A CN107983759A CN201711220615.5A CN201711220615A CN107983759A CN 107983759 A CN107983759 A CN 107983759A CN 201711220615 A CN201711220615 A CN 201711220615A CN 107983759 A CN107983759 A CN 107983759A
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- pipe
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- contaminated soil
- prosthetic device
- original position
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Classifications
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- 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
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to contaminated soil remediation, a kind of organic polluted soil original position thermal desorption prosthetic device is provided, including at least one heating module that can be connected with combustion gas inlet pipe, it can be inserted into contaminated soil and be used for the gas injecting pipe to contaminated soil gas injection, it can be inserted into the smoke discharging pipe that flue gas is produced in contaminated soil and for extracting the pump-line for the pollutant that volatilization produces and discharge heating module in contaminated soil, heating module is corresponded with gas injecting pipe, and heating module includes fuel assembly and sheath assembly, fuel assembly connects combustion gas inlet pipe and sheath assembly, sheath assembly at least part structure is stretched into corresponding gas injecting pipe, pump-line is set close to gas injecting pipe, and smoke discharging pipe connection sheath assembly.The prosthetic device of the present invention can carry out in-situ immobilization to contaminated soil, and repairing efficiency is short, big to contaminated soil soil property and moisture content wide adaptation range, disposal ability, has good environmental benefit and social benefit.
Description
Technical field
The present invention relates to contaminated soil remediation, more particularly to a kind of organic polluted soil original position thermal desorption prosthetic device.
Background technology
With the fast development of social economy, soil contamination problem is on the rise, especially in city chemical industry enterprises remove
During the organic contamination that produces it is especially prominent.Organic pollution processing wherein for higher boiling in soil and difficult degradation is compared
Difficulty, is presently mainly handled by the way of burning, but since this organic pollution is mixed in soil, it is necessary to advanced
Row sorting, is then transported to special incineration plant and is burned, not only treatment effeciency is low, and cumbersome.
The content of the invention
It is an object of the invention to provide a kind of organic polluted soil original position thermal desorption prosthetic device, it is intended to existing for solving
The problem of persistent organic pollutants processing is cumbersome in some soil.
What the present invention was realized in：
The embodiment of the present invention provides a kind of organic polluted soil original position thermal desorption prosthetic device, including can connect with combustion gas inlet pipe
Logical at least one heating module, can be inserted into contaminated soil and for the gas injecting pipe to contaminated soil gas injection, can be inserted into dirt
In dye soil and for extracting the pump-line for the pollutant that volatilization produces and the discharge heating module production in contaminated soil
The smoke discharging pipe of raw flue gas, the heating module is corresponded with the gas injecting pipe, and the heating module includes burning group
Part and sheath assembly, the fuel assembly connect the combustion gas inlet pipe and described sleeve pipe component, and described sleeve pipe component is at least
Part-structure is stretched into the corresponding gas injecting pipe, and the pump-line is set close to the gas injecting pipe, and the smoke exhaust pipe
Road connects described sleeve pipe component.
Further, described sleeve pipe component, which includes the outer tube of bottom end closure and bottom, has the inner sleeve of opening, institute
The bottom for stating inner sleeve is located in the outer tube and the outer tube is stretched into the gas injecting pipe with the inner sleeve, institute
Stating outer sleeve upper has the smoke outlet connected with the smoke discharging pipe, and the top of the inner sleeve connects with the fuel assembly
It is logical.
Further, the fuel assembly includes the burner of built-in combustion mouth and controls the burner in the combustion
The combustion controller of igniting, the burner are connected with the top of described sleeve pipe component and in the burner close to institute in burner
State and air intlet is provided with burner.
Further, the gas injecting pipe includes the gas injection well that is opened in contaminated soil, the gas injection well is stretched into one end
Interior gas injection inner tube and installing connects in the first pipe sieve in the gas injection inner tube, the other end and the air blower of the gas injection inner tube
Connect, described sleeve pipe component is located in the gas injection well.
Further, the pump-line includes being used for the vacuum elements for extracting the pollutant that volatilization produces in contaminated soil
And the filter assemblies of the pollutant of the purification vacuum elements discharge, the vacuum elements are at least partly embedded in contaminated soil
The interior and close gas injecting pipe is set, and the vacuum elements are connected with the filter assemblies.
Further, the vacuum elements is multigroup, and each vacuum elements are around the discrete distribution of the gas injecting pipe, and respectively
The vacuum elements are connected to the filter assemblies.
Further, the vacuum elements include the extraction well that is opened in contaminated soil, the extraction well is stretched into one end
Interior exhaust tube and installing connects in the second screen casing on the exhaust tube, the other end of the exhaust tube with the filter assemblies
It is logical.
Further, corresponded in the exhaust tube and silk screen is enclosed with second screen casing, and filled out in the extraction well
It is plugged with solid particle.
Further, the filter assemblies include steam-water separator, activated carbon adsorption structure and vacuum pump, and along pollution
Logistics is sequentially communicated to three by pipeline, and the steam-water separator is connected with the vacuum elements.
Further, the gas injecting pipe is multigroup, and is provided between the two neighboring gas injecting pipe at least one
The vacuum elements.
The invention has the advantages that：
In the prosthetic device of the present invention, by heating module by fuel gas buring to be heated to ambient contamination soil, and it is logical
Cross gas injecting pipe and air is injected into contaminated soil, and the air after heating forms positive pressure environment around contaminated soil, accelerates
Pollutant to pump-line peripheral motor, while with the organic pollution reaction in soil constantly from changing into around gas injecting pipe
Low boiling point, volatile organic matter, promote desorption and the volatilization of organic pollution, and the organic pollution to volatilize is then using pumping
Feed channel is extracted out, and the flue gas that heating module burning produces then is exported using smoke discharging pipe.In above process, prosthetic device is passed through
Contaminated soil can effectively be repaired, and since pump-line and gas injecting pipe are in insertion contaminated soil, then table
Bright this kind of repair mode is original position, is not only facilitated, and repairing efficiency is short, and in addition this prosthetic device is directed to different geology bars
Part, the organic polluted soil of different soils property are applicable in, in particular for pollution depth immediately below below 6m or building
Extraordinary repairing effect is respectively provided with etc. the contaminated soil for being not easy to excavate, to contaminated soil soil property and moisture content accommodation
Extensively, disposal ability is big, has good environmental benefit and social benefit.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of organic polluted soil original position thermal desorption prosthetic device provided in an embodiment of the present invention；
Fig. 2 is heating module, gas injecting pipe and the exhaust tube of the organic polluted soil original position thermal desorption prosthetic device of Fig. 1
The mounting structure schematic diagram in road.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of organic polluted soil original position thermal desorption prosthetic device, main
It is used for higher boiling and the organic pollution of difficult degradation in repairing polluted soil, including heating module 1, gas injecting pipe 2, exhaust tube
Road 3 and smoke discharging pipe 4, wherein heating module 1 can be one or more, this is mainly according to required repairing polluted soil
Area determine that heating module 1 can reach heating purpose by the way of fuel gas buring, in this regard, heating module 1 need with
Combustion gas inlet pipe 5 connects, and can be connected for combustion gas inlet pipe 5 with municipal gas piping, can be used for exporting moveable liquefaction
Natural gas, and gas injecting pipe 2 is then to need to be inserted into contaminated soil, can inject air into contaminated soil, heating module 1 with
It is one-to-one relationship between gas injection inlet pipe, can be played in heating correspondence position contaminated soil by heating module 1 and inject sky
The purpose of gas, specifically, heating module 1 include fuel assembly 11 and sheath assembly 12, and fuel assembly 11 connects combustion gas inlet pipe 5
With sheath assembly 12, combustion gas enters burning, the flue gas sleeve pipe component for generation of burning in fuel assembly 11 by combustion gas inlet pipe 5
In 12, wherein, 12 at least part structure of sheath assembly is stretched into corresponding gas injecting pipe 2, then flue gas can heat gas injecting pipe 2
Interior air.For pump-line 3, it is also in insertion contaminated soil, can extract having of being produced after volatilizing in contaminated soil
Organic pollutants, in general, pump-line 3 are set close to gas injecting pipe 2, both are without adjacent, the injection after heating certainly
Air can be reacted with the organic pollution of surrounding produces low boiling point and volatile organic pollution, and pump-line 3 is then to use
In this volatile organic pollution of extraction；The effect of smoke discharging pipe 4 is close with the effect of pump-line 3, but it is to use
In the flue gas for discharging generation of burning in heating module 1, then smoke discharging pipe 4 is connected with the sheath assembly 12 of heating module 1.The present invention
In, according to target contaminant and soil types, determine the coverage of heating module 1, gas injecting pipe 2 and pump-line 3, three
Coverage it is bigger, the quantity of heating module 1, gas injecting pipe 2 and pump-line 3 arranged is needed in identical pollution range
It is fewer, be conducive to cost-effective.By heating module 1 by fuel gas buring to be heated to ambient contamination soil, and pass through gas injection
Pipeline 2 injects air into contaminated soil, and the air after heating can change into low boiling with the organic pollution reaction in soil
Point, volatile organic matter, promote desorption and the volatilization of organic pollution, and the organic pollution to volatilize then uses exhaust tube
Road 3 is extracted out, and the flue gas that the burning of heating module 1 produces then is exported using smoke discharging pipe 4.In above process, prosthetic device is passed through
Contaminated soil can effectively be repaired, and since pump-line 3 and gas injecting pipe 2 are in insertion contaminated soil, then
Show that this kind of repair mode for original position, not only facilitates, and repairing efficiency is short, and in addition this prosthetic device is directed to different geology bars
Part, the organic polluted soil of different soils property are applicable in, in particular for pollution depth immediately below below 6m or building
Extraordinary repairing effect is respectively provided with etc. the contaminated soil for being not easy to excavate, to contaminated soil soil property and moisture content accommodation
Extensively, disposal ability is big, has good environmental benefit and social benefit.
The present invention provides a kind of preferred embodiment, has refined the structure of sheath assembly 12, it includes the overcoat of bottom end closure
Pipe 121 and bottom have an inner sleeve 122 of opening, the bottom of inner sleeve 122 be located in outer tube 121 and outer tube 121 and
Inner sleeve 122 is stretched into gas injecting pipe 2, and in addition the top of inner sleeve 122 is connected with fuel assembly 11, outer tube 121 it is upper
End is then provided with the smoke outlet 123 connected with smoke discharging pipe 4.In the present embodiment, inner sleeve 122 is equivalent to connection outer tube
121 with fuel assembly 11, and the bottom end closure of outer tube 121 and top are opening, and smoke outlet 123 is close to the spacious of outer tube 121
Mouth is directly drawn by opening, and inner sleeve 122 is stretched into by the opening of outer tube 121, when fuel gas buring produces in fuel assembly 11
After raw flue gas, the length direction of flue gas along inner sleeve 122 flows and enters outer tube by the opening of inner sleeve 122 straight down
In 121, flue gas continues to flow straight up along outer tube 121 and is finally entered by smoke outlet 123 in smoke discharging pipe 4.Due to outer
Casing 121 is stretched into gas injecting pipe 2 with inner sleeve 122, then during above-mentioned flow of flue gas, flue gas can heat air injection pipe
The air of injection in road 2, and pass through inner sleeve 122 and this arrangement of outer tube 121 so that the path of flue gas is more bent
Folding, and then the heat utilization ratio of flue gas can be improved.
Referring to Fig. 2, further, refine the structure of fuel assembly 11, including the burner 112 of built-in combustion mouth 111 with
And the combustion controller 113 of control burner 111 igniting in burner 112, burner 112 and the top of sheath assembly 12 connect
Lead to and air intlet 114 is provided with burner 111 in burner 112.Combustion controller 113 can complete burner
112 normal ignition logic operation programs ensure the safe operation of burner 112 at the same time, and burner 112 is adopted with combustion controller 113
With splicing structure, the sparking function of burner 112 can be realized by burner 111, highest sparking temperature can reach 1400 DEG C.
It can be two, two air intlets 114 are close to burner 111, then combustion gas is according to certain flow for air intlet 114
Into after burner 112, heated using secondary air distribution mode.
Referring again to Fig. 1 and Fig. 2, the present invention also provides further embodiment, refines gas injecting pipe 2, and gas injecting pipe 2 wraps
Include the gas injection well 21 being opened in contaminated soil, the gas injection inner tube 22 that one end is stretched into gas injection well 21 and install in gas injection inner tube
The first pipe sieve 23 on 22, the other end of gas injection inner tube 22 is connected with air blower 24, and above-mentioned sheath assembly 12 is located at gas injection
In well 21.In the present embodiment, air is blasted into gas injection inner tube 22 by air blower 24, air flowed along gas injection inner tube 22 and by
First pipe sieve 23 enters in gas injection well 21, since sheath assembly 12 is located in gas injection well 21, i.e., above-mentioned inner sleeve 122 and overcoat
At least part structure of pipe 121 is located in gas injection well 21, then inner sleeve 122 can be to note with the high-temperature flue gas in outer tube 121
The air of injection is heated to form hot-air in gas well 21, and hot-air is in conductive process, the on the one hand shape around gas injection well 21
Into positive pressure environment, improve the porosity of surrounding soil, while increase the oxygen concentration in contaminated soil, be conducive to higher boiling,
Hardly degraded organic substance changes into low boiling point, volatile organic matter, accelerate organic pollution from the desorption in contaminated soil, move
Move.And when gas injecting pipe 2 for it is multigroup when, each gas injection inner tube 22 is connected to air blower 24, i.e., by unified air blower 24 to each
Gas injection inner tube 22 injects air.
Further, pump-line 3 includes being used for the vacuum elements 31 for extracting the pollutant that volatilization produces in contaminated soil
And the filter assemblies 32 of the pollutant of the purification discharge of vacuum elements 31, for vacuum elements 31, its at least part is embedded in dirt
Contaminate in soil, certain vacuum elements 31 should be set close to gas injecting pipe 2, certainly without will both are adjacent, vacuum elements 31 with
Filter assemblies 32 connect, and vacuum elements 31 are by the organic pollution after volatilization is extracted in contaminated soil, then filtered component 32
To the gas purification of extraction to drain into ambient atmosphere.In the present embodiment, the air after heating enters in contaminated soil so that pollution
Organic pollution reaction around soil produces low boiling point and volatile organic pollution, and due to being nearby provided with pumping
Component 31, vacuum elements 31 extract the organic pollution after volatilization to purification in filter assemblies 32, so as to can not only repair
Organic pollution in contaminated soil, and the gas discharged will not pollute surrounding air.Generally, vacuum elements 31 are also more
Group, the numbers of vacuum elements 31 are more than gas injecting pipe 2, and each vacuum elements 31 are around 2 discrete distribution of gas injecting pipe, and each vacuum elements
31 are connected to filter assemblies 32, and should be provided with least one vacuum elements 31 between two adjacent gas injecting pipes 2, from
And the volatile organic contaminant produced in the contaminated soil around each gas injecting pipe 2 can effectively be extracted.
Referring to Fig. 2, specifically, vacuum elements 31 include extraction well 311,312 and second screen casing 313 of exhaust tube, its
Middle extraction well 311 is opened in contaminated soil, it is similar with gas injection well 21, and extraction well 311 is stretched into one end of exhaust tube 312
It is interior, and the other end is connected with filter plate component, in addition, also installed on exhaust tube 312 in the second screen casing 313, then exhaust tube 312
Structure type it is similar with the structure of gas injection inner tube 22, simply gas injection inner tube 22 be used for air is injected into gas injection well 21, and
Exhaust tube 312 is then for extracting the volatile organic contaminant produced in extraction well 311, and in addition vacuum elements 31 are using pumping
The mode taken exports volatile organic contaminant, then during being evacuated, the pressure in extraction well 311 reduces, and will can be evacuated
311 side of well is considered as subnormal ambient, and 21 side of gas injection well is due to injecting air, its interior pressure is bigger, then can be considered as
Positive pressure environment so that the volatile organic contaminant in ambient contamination soil by the hole of contaminated soil by gas injection well
21 1 lateral 311 side of extraction well flowings, then by being extracted in extraction well 311 to exhaust tube 312, contaminant collecting is higher
Effect.Preferably, corresponded in exhaust tube 312 and be enclosed with silk screen 314 at second screen casing 313, its one side can carry out gas effective
Collect, fine particle on the other hand can be prevented together to enter in exhaust tube 312.Continue preferably, to be packed with extraction well 311
Solid particle, such as quartz sand etc., can increase the voidage of extraction well 311, contribute to the transmission of gas, it can also be evacuated
Gas componant detection mouth 315 is provided with pipe 312, the week of the extraction well 311 can be detected by the gas componant detection mouth 315
Whether the organic pollution in collarette border is desorbed totally, and after desorption is clean, then can close the valve on this exhaust tube 312
Door 316.
Referring again to Fig. 1 and Fig. 2, further, filter assemblies 32 include steam-water separator 321, activated carbon adsorption knot
Structure 322 and vacuum pump 323, three are sequentially communicated along the pipeline that flows through of pollutant, its intermediate pump 323 is above-mentioned pumping
The dynamical element of component 31, the gas in extraction well 311 can be extracted by vacuum pump 323, and generally, filter assemblies 32 further include
There is heat exchanger 324, and heat exchanger 324 is located on exhaust tube 312, the pollutant of extraction first passes through heat exchanger 324 and collects heat, so
Enter afterwards in steam-water separator 321 and carry out steam-water separation, wherein the waste water separated is sent into sewage treatment plant's processing, separated gas
After removing removal organic polluter into activated carbon adsorption device, pumped out by vacuum pump 323, and in the rear afterflow of vacuum pump 323
It should also increase by chimney 325 in road, be discharged purified gas naturally by chimney 325.For the filtering group of this structure
Part 32, smoke discharging pipe 4 also use similar structure type, certainly since smoke discharging pipe 4 is mainly used for discharging in burner 112
Burn the flue gas produced, wherein mainly carbon dioxide, then without setting purification part in smoke discharging pipe 4, smoke discharging pipe 4 passes through
Wind turbine 41 extracts the flue gas of discharge in each sheath assembly 12, is then discharged naturally through another chimney 42.
Specifically, the operation principle of prosthetic device provided in an embodiment of the present invention is as follows：
Step 1：According to target contaminant and soil types, the shadow of heating module 1, gas injecting pipe 2 and pump-line 3 is determined
Scope is rung, the coverage of three is bigger, then the heating module 1, gas injecting pipe 2 and pumping arranged are needed in identical pollution range
The quantity of feed channel 3 is fewer, and vice versa, is conducive to cost-effective；
Step 2：After combustion gas enters burner 112 according to certain flow, heated using secondary air distribution mode, heat smoke
By flowing of turning back in inner sleeve 122 and outer tube 121, conduct heat to periphery contaminated soil；
Step 3：Inner sleeve 122 and outer tube 121 are built in the gas injection well 21 of gas injecting pipe 2, by gas injection well 21
Air is blasted, positive pressure environment can be formed around gas injection well 21, improves porosity of soil, while increase the oxygen in contaminated soil
Concentration.
Step 4：Heating module 1 works on, and after hot-air and contaminated soil are heated to certain temperature after heating
Air forms positive pressure environment around contaminated soil, accelerate pollutant constantly from around gas injecting pipe to transporting around pump-line
Dynamic, hot-air reacts with part higher boiling, hardly degraded organic substance, converts it into low boiling point, volatile organic matter, promotees
Desorption, volatilization into the organic pollution.
Step 5：The subnormal ambient of the positive pressure environment and extraction well 311 around gas injection well 21 is heated, is the migration of organic matter
Effective transmission path is formd, accelerates the collection of pollutant, is finally pumped into by vacuum elements 31 in filter assemblies 32, specifically
The gas of ground extraction is pumped into by heat exchanger 324, steam-water separator 321, activated carbon adsorption structure 322 by vacuum pump 323
Discharged naturally in chimney.
Step 6：After the completion of reparation, which is dismantled, and the soil after repairing can be used for other purposes such as exploitation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (10)
- A kind of 1. organic polluted soil original position thermal desorption prosthetic device, it is characterised in that：Including can be connected with combustion gas inlet pipe to A few heating module, can be inserted into contaminated soil and for the gas injecting pipe to contaminated soil gas injection, pluggable contaminated soil Interior and pump-line and the discharge heating module for extracting the pollutant produced that volatilizees in contaminated soil produce flue gas Smoke discharging pipe, the heating module and the gas injecting pipe correspond, and the heating module include fuel assembly and Sheath assembly, the fuel assembly connect the combustion gas inlet pipe and described sleeve pipe component, and described sleeve pipe component is at least partly tied Structure is stretched into the corresponding gas injecting pipe, and the pump-line is set close to the gas injecting pipe, and the smoke discharging pipe connects Described sleeve pipe component.
- 2. organic polluted soil original position thermal desorption prosthetic device as claimed in claim 1, it is characterised in that：Described sleeve pipe component Outer tube and bottom including bottom end closure have the inner sleeve of opening, and the bottom of the inner sleeve is located in the outer tube And the outer tube is stretched into the gas injecting pipe with the inner sleeve, the outer sleeve upper has and the smoke discharging pipe The smoke outlet of connection, the top of the inner sleeve are connected with the fuel assembly.
- 3. organic polluted soil original position thermal desorption prosthetic device as claimed in claim 2, it is characterised in that：The fuel assembly The combustion controller that burner and the control burner including built-in combustion mouth are lighted a fire in the burner, the combustion Burner connects with the top of described sleeve pipe component and is provided with air intlet at the burner in the burner.
- 4. organic polluted soil original position thermal desorption prosthetic device as claimed in claim 1, it is characterised in that：The gas injecting pipe The gas injection inner tube that is stretched into including the gas injection well that is opened in contaminated soil, one end in the gas injection well and install in the gas injection The first pipe sieve in inner tube, the other end of the gas injection inner tube are connected with air blower, and described sleeve pipe component is located at the gas injection well It is interior.
- 5. organic polluted soil original position thermal desorption prosthetic device as claimed in claim 1, it is characterised in that：The pump-line The dirt of vacuum elements and purification the vacuum elements discharge including the pollutant for extracting generation of volatilizing in contaminated soil The filter assemblies of thing are contaminated, the vacuum elements are at least partly embedded in contaminated soil and are set close to the gas injecting pipe, institute Vacuum elements are stated to connect with the filter assemblies.
- 6. organic polluted soil original position thermal desorption prosthetic device as claimed in claim 5, it is characterised in that：The vacuum elements To be multigroup, each vacuum elements are around the discrete distribution of the gas injecting pipe, and each vacuum elements are connected to the filtering Component.
- 7. organic polluted soil original position thermal desorption prosthetic device as claimed in claim 5, it is characterised in that：The vacuum elements The exhaust tube that is stretched into including the extraction well that is opened in contaminated soil, one end in the extraction well and install in the exhaust tube On the second screen casing, the other end of the exhaust tube connects with the filter assemblies.
- 8. organic polluted soil original position thermal desorption prosthetic device as claimed in claim 7, it is characterised in that：In the exhaust tube It is enclosed with silk screen at corresponding second screen casing, and in being packed with solid particle in the extraction well.
- 9. organic polluted soil original position thermal desorption prosthetic device as claimed in claim 5, it is characterised in that：The filter assemblies It is sequentially communicated including steam-water separator, activated carbon adsorption structure and vacuum pump, and along contaminant stream to three by pipeline, institute Steam-water separator is stated to connect with the vacuum elements.
- 10. organic polluted soil original position thermal desorption prosthetic device as claimed in claim 5, it is characterised in that：The air injection pipe Road is multigroup, and at least one vacuum elements are provided between the two neighboring gas injecting pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711220615.5A CN107983759A (en) | 2017-11-29 | 2017-11-29 | Organic polluted soil original position thermal desorption prosthetic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711220615.5A CN107983759A (en) | 2017-11-29 | 2017-11-29 | Organic polluted soil original position thermal desorption prosthetic device |
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| CN107983759A true CN107983759A (en) | 2018-05-04 |
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| CN201711220615.5A Pending CN107983759A (en) | 2017-11-29 | 2017-11-29 | Organic polluted soil original position thermal desorption prosthetic device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746178A (en) * | 2018-07-13 | 2018-11-06 | 新疆维吾尔自治区固体废物管理中心 | A kind of energy saving thermal desorption processing unit in situ and processing method of oil pollution soil |
| CN109163327A (en) * | 2018-09-10 | 2019-01-08 | 南通劲凌智能科技有限公司 | A kind of soil remediation heat source and its method |
| CN109304364A (en) * | 2018-11-28 | 2019-02-05 | 中冶南方都市环保工程技术股份有限公司 | Soil remediation gas injection system and soil repair system |
| CN110614272A (en) * | 2019-10-28 | 2019-12-27 | 苏州金螳螂园林绿化景观有限公司 | Polluted soil bioremediation system |
| CN111250523A (en) * | 2020-01-15 | 2020-06-09 | 北京石油化工学院 | Gas thermal desorption heating well with longitudinal soil heated uniformly |
| CN112872007A (en) * | 2021-01-29 | 2021-06-01 | 国网河北省电力有限公司衡水供电分公司 | Contaminated soil normal position solar thermal desorption repair system |
| CN115318818A (en) * | 2022-07-15 | 2022-11-11 | 上海化工院环境工程有限公司 | Multifunctional multi-mode integrated soil ex-situ remediation system and method |
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