CN107335680A - High humidity contaminated soil processing system and method - Google Patents
High humidity contaminated soil processing system and method Download PDFInfo
- Publication number
- CN107335680A CN107335680A CN201710587605.9A CN201710587605A CN107335680A CN 107335680 A CN107335680 A CN 107335680A CN 201710587605 A CN201710587605 A CN 201710587605A CN 107335680 A CN107335680 A CN 107335680A
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- Prior art keywords
- high humidity
- gas
- contaminated soil
- greenhouse
- normal temperature
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Links
- 239000002689 soil Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title abstract description 6
- 238000003795 desorption Methods 0.000 claims abstract description 28
- 238000000605 extraction Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- 239000000284 extract Substances 0.000 claims abstract description 4
- 239000005416 organic matter Substances 0.000 claims abstract description 4
- 238000010926 purge Methods 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims description 21
- 239000012528 membrane Substances 0.000 claims description 17
- 230000000740 bleeding effect Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000011368 organic material Substances 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 108010066278 cabin-4 Proteins 0.000 description 9
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention provides a kind of high humidity contaminated soil processing system and method, and it includes ventilating system, normal temperature desorption greenhouse, tail gas extraction system, gas-liquid separator and the low temperature plasma equipment being sequentially connected.When use, moisture in high humidity contaminated soil and organic matter in normal temperature desorption greenhouse volatilizes and entered in canopy in gas, cause in canopy gas humidity raising；The ventilation equipment intermittently or continuously purge air quantity into greenhouse, tail gas extraction system intermittently or continuously extracts high humidity dusty gas in canopy, high humidity dusty gas is set to be passed through gas-liquid separator, after removing most of vapor, enter low temperature plasma equipment again, to destroy organic pollution, finally make tail gas qualified discharge.
Description
Technical field
The present invention relates to a kind of processing system and method for being used to repair high humility VOC contaminated soils.
Background technology
The present invention be directed to Patent No. 201120574747.X, entitled《For repairing organic polluted soil
Processing system》Utility model patent carry out improvement.
Aforementioned patent is also not suitable for handling high humidity contaminated soil, is significantly limited using above receiving, and foregoing
Patent is handled tail gas by the way of charcoal absorption, and cost is higher and treatment effect is still not ideal enough.
The content of the invention
For problem above, the present invention proposes a kind of high humidity contaminated soil processing system and method.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of high humidity contaminated soil processing system, it is characterised in that big including the ventilating system that is sequentially connected, normal temperature desorption
Canopy, tail gas extraction system, gas-liquid separator and low temperature plasma equipment.
Described high humidity contaminated soil processing system, wherein：The hot air unit of the ventilating system including use in winter with
The dry wind unit that summer uses.
Described high humidity contaminated soil processing system, wherein：The normal temperature desorption greenhouse is the desorption of double membrane structure normal temperature
Greenhouse, it is the processing space for being handled organic material contaminated soil inside it, the outside for handling space has by two layers
Film folds the cushion to be formed, and the cushion has been filled with hot gas.
Described high humidity contaminated soil processing system, wherein：Gas pressure in the cushion is more than in processing space
Gas pressure.
Described high humidity contaminated soil processing system, wherein：The ventilating system and the side of normal temperature desorption greenhouse
Bottom is connected, and is connected at the top of the normal temperature desorption greenhouse with the tail gas extraction system.
Described high humidity contaminated soil processing system, wherein：Isolation cabin is additionally provided with normal temperature desorption greenhouse, it is described
Isolation cabin one end is connected by greenhouse logistics door with the processing space, and the other end is connected by isolating logistics door with the external world
It is logical；The isolation cabin is provided with bleeding point, and the bleeding point is connected with one end of the pump-line provided with air exhauster, the pumping
The other end of pipeline is communicated in the processing space；The isolation cabin, which is provided with, allows the automatic inflating device that extraneous gas unidirectionally enters
Valve.
Described high humidity contaminated soil processing system, wherein：The inside earth's surface of the normal temperature desorption greenhouse is additionally provided with heating
Coil pipe, it is laid on covered with water-tight concrete layer, high humidity contaminated soil on the concrete layer on heating coil.
Described high humidity contaminated soil processing system, wherein：Whole slot type, which is provided with, in normal temperature desorption greenhouse turns over throwing
Machine.
The present invention also provides a kind of high humidity contaminated soil processing method, has foregoing high humidity contaminated soil processing system, its
In：Normal temperature desorption greenhouse in high humidity contaminated soil in moisture and organic matter volatilize and enter in canopy in gas, cause in canopy
Gas humidity improves；The ventilation equipment intermittently or continuously purge air quantity into greenhouse, tail gas extraction system is intermittently or continuously
Ground extracts high humidity dusty gas in canopy, high humidity dusty gas is passed through gas-liquid separator, after removing most of vapor, enters again
Low temperature plasma equipment, to destroy organic pollution, finally make tail gas qualified discharge.
Compared with prior art, the invention has the advantages that：The moisture in high humidity contaminated soil can be promoted
Evaporation and removal, improve soil treatment efficiency and processing quality；Dirt thoroughly is eliminated using low temperature plasma equipment to tail gas
Thing is contaminated, treatment effeciency is high, and is produced in processing procedure without hazardous wastes such as discarded activated carbons, reduces follow-up dangerous waste and is processed into
This.
Brief description of the drawings
Fig. 1 is the overall structure schematic perspective view of processing system provided by the invention；
Fig. 2 is the longitudinal profile structure schematic of processing system provided by the invention；
Fig. 3 is the horizontal cross-section structure diagram of processing system provided by the invention；
Fig. 4 is the workflow diagram of processing system provided by the invention.
Description of reference numerals：Double membrane structure normal temperature desorbs greenhouse 1；Handle space 11；Greenhouse logistics door 111；Two membranes
12；Charging valve 13；Air quantity source 21；Air inlet 22；Exhaust outlet 23；Exhaust duct 24；Valve for air exhaust 241；Tail gas extraction system
3；Isolation cabin 4；Isolate logistics door 41；Bleeding point 42；Pump-line 43；Automatic compensating air valve 44.
Embodiment
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the present invention provides a kind of high humidity contaminated soil processing system, including：
Double membrane structure normal temperature desorbs greenhouse 1, is the processing sky for being handled organic material contaminated soil inside it
Between 11, the outside in processing space 11, which has, by two membranes 12 folds the cushion formed, and the cushion is connected with charging valve
13, hot gas can be filled with into cushion by the charging valve 13, the hot gas is filled in cushion, as in greenhouse
The buffer gas of the outer temperature of temperature and greenhouse, can avoid the direct contact of hot gas and the outer cold air of greenhouse in greenhouse and caused by knot
Reveal phenomenon；Moreover, the gas pressure in cushion is more than the gas pressure in processing space, can prevent from handling the gas in space
Body is outwards volatilized, and pollutant is escaped and plays double insurance effect.Wherein, the two membranes 12 preferably use Kynoar
(PVDF) material；Moreover, to ensure that hot gas is spread uniform in processing space 11, the spacing of the multiple air inlet 22 is not more than 3
Rice.
Ventilating system, it is the side for desorbing greenhouse 1 by being disposed on double membrane structure normal temperature by ventilation equipment 21
Multiple air inlets 22 provide air quantity to the processing space 11, promote high humidity antecedent soil moisture in canopy, in the processing space 11
Top is provided with exhaust outlet 23, and the exhaust outlet 23 is connected by exhaust duct 24 with tail gas extraction system 3, in the exhaust duct
Road 24 is provided with valve for air exhaust 241.Wherein, ventilation equipment 21 can be different according to two season of summer in winter temperature, and hot air unit is respectively adopted
Or dry wind unit air blast into double membrane structure normal temperature desorption greenhouse 1.In the winter time, in double membrane structure normal temperature desorption greenhouse 1
Temperature is low, therefore hot blast is passed through into canopy using hot air unit, promotes pollutant in soil and water to be volatized into gas phase；In summer,
Temperature is high in double membrane structure normal temperature desorption greenhouse 1 and atmospheric water content is big, therefore uses dry with air-conditioning dehumidifier principle
Dry wind unit blasts dry wind into canopy, measurement of moisture content of gas in double membrane structure normal temperature desorption greenhouse 1 is reduced, in favor of organic
Thing volatilizees.
Gas-liquid separator (is unillustrated), is connected with the downstream of the tail gas extraction system, to remove most of vapor；
Low temperature plasma equipment, it is connected with the gas passage in the gas-liquid separator downstream, to destroy organic pollution,
Finally make tail gas qualified discharge.
In addition, the present invention also has isolation cabin 4, it is arranged in the double membrane structure normal temperature desorption greenhouse 1, its one end
It is connected by greenhouse logistics door 111 with the processing space 11, the other end is connected by isolating logistics door 41 with the external world；Institute
The top for stating isolation cabin 4 is provided with bleeding point 42, and the bleeding point 42 is connected with one end of the pump-line 43 provided with air exhauster,
The other end of the pump-line 43 is communicated in the processing space 11；The isolation cabin 4, which is additionally provided with, allows extraneous gas list
To the automatic compensating air valve 44 of entrance；
Moreover, the inside earth's surface in double membrane structure normal temperature desorption greenhouse 1 is additionally provided with heating coil (being unillustrated), heat
Certain thickness water-tight concrete layer is covered on coil pipe, contaminated soil is re-layed on the concrete layer, the heat of heating coil
Amount to contaminated soil, raises contaminated soil temperature by concrete layer conduct radiation, can promote in contaminated soil moisture and
The volatilization of pollutant.
Further, it is also possible to whole slot type turner is set in double membrane structure normal temperature desorption greenhouse 1, for handling high wet soil
Earth turns over throwing processing, can promote the volatilization of moisture and pollutant in contaminated soil.The moisture of southern high humidity contaminated soil
Height, it is difficult to handle using general turner, the present invention uses whole slot type turner, it is possible to increase soil turns over throwing efficiency.
When the present invention uses, as shown in figure 4, the high humidity contaminated soil in double membrane structure normal temperature desorption greenhouse 1 exists
Under the conditions of heating coil or solar radiation, moisture and organic matter in contaminated soil volatilize and entered in canopy in gas, cause
Gas humidity improves in canopy；Tail gas extraction system 3 intermittently or continuously extracts high humidity dusty gas in canopy, makes high humidity contamination gas
Body is passed through gas-liquid separator, after removing most of vapor, enters low temperature plasma equipment again, to destroy organic pollution,
Finally make tail gas qualified discharge；The intermittently or continuously purge air quantity into greenhouse of ventilation equipment 21, on the one hand can be prevented in canopy
Wall water dew condenses, and on the other hand dusty gas can be promoted to be extracted greenhouse.
When needing vehicle etc. during soil treatment and being exported out of canopy, first open isolation cabin 4 and double membrane structure is normal
The greenhouse logistics door 111 that temperature desorption greenhouse 1 connects, treats that vehicle enters in isolation cabin 4, closes greenhouse logistics door 111, open isolation
The air exhauster on the top of storehouse 4, the intake valve of the sidepiece of isolation cabin 4 is automatically turned on, dusty gas in isolation cabin 4 is back to duplicature knot
In structure normal temperature desorption greenhouse 1, and supplement outside cleaned air；It is up to standard through automatic checkout equipment detection inner air in isolation cabin 4
Afterwards, isolation logistics door 41 is automatically turned on, after vehicle output is outdoor, closes isolation logistics door 41.
It is described above to be merely exemplary for the purpose of the present invention, and it is nonrestrictive, and those of ordinary skill in the art understand,
In the case where not departing from the spirit and scope that claim is limited, can many modifications may be made, change or equivalent, but will all fall
Enter within protection scope of the present invention.
Claims (9)
1. a kind of high humidity contaminated soil processing system, it is characterised in that big including the ventilating system that is sequentially connected, normal temperature desorption
Canopy, tail gas extraction system, gas-liquid separator and low temperature plasma equipment.
2. high humidity contaminated soil processing system according to claim 1, it is characterised in that：The ventilating system includes winter
The dry wind unit that the hot air unit used uses with summer.
3. high humidity contaminated soil processing system according to claim 1, it is characterised in that：The normal temperature desorption greenhouse is double
Film structure normal temperature desorbs greenhouse, is the processing space for being handled organic material contaminated soil inside it, handles space
Outside have the cushion that is formed folded by two membranes, the cushion has been filled with hot gas.
4. high humidity contaminated soil processing system according to claim 3, it is characterised in that：Gas pressure in the cushion
Power is more than the gas pressure in processing space.
5. high humidity contaminated soil processing system according to claim 1, it is characterised in that：The ventilating system with it is described often
The side bottom of temperature desorption greenhouse is connected, and is connected at the top of the normal temperature desorption greenhouse with the tail gas extraction system.
6. high humidity contaminated soil processing system according to claim 1, it is characterised in that：In normal temperature desorption greenhouse
Isolation cabin is additionally provided with, described isolation cabin one end is connected by greenhouse logistics door with the processing space, and the other end passes through isolation
Logistics door is connected with the external world；The isolation cabin is provided with bleeding point, the bleeding point and one of the pump-line provided with air exhauster
End is connected, and the other end of the pump-line is communicated in the processing space；The isolation cabin, which is provided with, allows extraneous gas
The automatic compensating air valve unidirectionally entered.
7. high humidity contaminated soil processing system according to claim 1, it is characterised in that：The normal temperature desorbs the interior of greenhouse
Portion's earth's surface is additionally provided with heating coil, and the coagulation is laid on covered with water-tight concrete layer, high humidity contaminated soil on heating coil
On soil layer.
8. high humidity contaminated soil processing system according to claim 1, it is characterised in that：In normal temperature desorption greenhouse
It is provided with whole slot type turner.
9. a kind of high humidity contaminated soil processing method, have at the high humidity contaminated soil as any one of claim 1-8
Reason system, it is characterised in that：Normal temperature desorption greenhouse in high humidity contaminated soil in moisture and organic matter volatilize and enter in canopy
In gas, gas humidity in canopy is caused to improve；Intermittently or continuously the purge air quantity into greenhouse, tail gas extracting are ventilation equipment
System intermittently or continuously extracts high humidity dusty gas in canopy, high humidity dusty gas is passed through gas-liquid separator, removes most of
After vapor, enter low temperature plasma equipment again, to destroy organic pollution, finally make tail gas qualified discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710587605.9A CN107335680A (en) | 2017-07-18 | 2017-07-18 | High humidity contaminated soil processing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710587605.9A CN107335680A (en) | 2017-07-18 | 2017-07-18 | High humidity contaminated soil processing system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107335680A true CN107335680A (en) | 2017-11-10 |
Family
ID=60219769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710587605.9A Pending CN107335680A (en) | 2017-07-18 | 2017-07-18 | High humidity contaminated soil processing system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107335680A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405591A (en) * | 2018-05-11 | 2018-08-17 | 广西博世科环保科技股份有限公司 | The system and method that room temperature desorbs greenhouse treatment effeciency is improved using high temperature soil waste heat |
| CN109226227A (en) * | 2018-08-31 | 2019-01-18 | 中科鼎实环境工程股份有限公司 | Ultraviolet light heating gas phase suitable for polycyclic aromatic hydrocarbon pollution extracts prosthetic device |
| CN111036663A (en) * | 2019-12-17 | 2020-04-21 | 中科鼎实环境工程有限公司 | Soil normal temperature turns over throwing device |
| CN112517631A (en) * | 2020-11-27 | 2021-03-19 | 苏州精英环保有限公司 | Intelligent normal-temperature desorption remediation equipment and method for volatile organic contaminated soil |
| CN113000582A (en) * | 2021-02-25 | 2021-06-22 | 永清环保股份有限公司 | System for volatile organic compounds pollutes soil is handled in normal atmospheric temperature desorption |
| CN113083883A (en) * | 2021-03-30 | 2021-07-09 | 常州大学 | Contaminated site heat-preservation in-situ remediation system and method |
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| CN109226227A (en) * | 2018-08-31 | 2019-01-18 | 中科鼎实环境工程股份有限公司 | Ultraviolet light heating gas phase suitable for polycyclic aromatic hydrocarbon pollution extracts prosthetic device |
| CN111036663A (en) * | 2019-12-17 | 2020-04-21 | 中科鼎实环境工程有限公司 | Soil normal temperature turns over throwing device |
| CN112517631A (en) * | 2020-11-27 | 2021-03-19 | 苏州精英环保有限公司 | Intelligent normal-temperature desorption remediation equipment and method for volatile organic contaminated soil |
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| CN113083883A (en) * | 2021-03-30 | 2021-07-09 | 常州大学 | Contaminated site heat-preservation in-situ remediation system and method |
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Address after: 100028 No. 6 Courtyard Building, East Fourth Ring Road, Sun Palace, Chaoyang District, Beijing Applicant after: ZHONGKE DINGSHI ENVIRONMENTAL ENGINEERING Co.,Ltd. Address before: 100028 No. 6 Courtyard Building, East Fourth Ring Road, Sun Palace, Chaoyang District, Beijing Applicant before: CHINA STATE SCIENCE DINGSHI ENVIRONMENTAL ENGINEERING CO.,LTD. |
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Address after: No. 46, Keji Road, economic development zone, Miyun District, Beijing 101500 Applicant after: ZHONGKE DINGSHI ENVIRONMENTAL ENGINEERING Co.,Ltd. Address before: 100028, No. 3, building 6, North Fourth Ring Road East, Sun Palace, Chaoyang District, Beijing Applicant before: ZHONGKE DINGSHI ENVIRONMENTAL ENGINEERING Co.,Ltd. |
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Application publication date: 20171110 |