CN206009404U - A kind of contaminated soil gas phase extracting and biological filtering tower combined working combined treatment device - Google Patents
A kind of contaminated soil gas phase extracting and biological filtering tower combined working combined treatment device Download PDFInfo
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- CN206009404U CN206009404U CN201620938041.XU CN201620938041U CN206009404U CN 206009404 U CN206009404 U CN 206009404U CN 201620938041 U CN201620938041 U CN 201620938041U CN 206009404 U CN206009404 U CN 206009404U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses a kind of soil vapor extraction and biological filtering tower combined working combined treatment device, including be sequentially connected extraction well, butterfly valve, gas-liquid separator, ball valve, cleaner unit, effusion meter, vacuum meter, relief valve, air-introduced machine, biological filtering tower combined working, extraction well is equipped with monitoring well；Also include that the circulating pump being sequentially connected, nutrient substance add tank, fluid flowmeter；Biological filtering tower combined working bottom is provided with air inlet, liquid outlet, and top is provided with air vent, inlet, and air inlet is connected with air-introduced machine gas outlet, and liquid outlet is connected with circulating pump, and inlet is connected with fluid flowmeter liquid outlet.This device, after stripping gas, gas is delivered in biological filtering tower combined working, stripping gas from by bottom of towe enter tower body, from bottom to top pass through packing layer, the spray liquid that nutrient substance adds in tank is entered in biological filtering tower combined working by the inlet at the top of biological filtering tower combined working, is flowed downward along filler layer surface, and gas-liquid counter current is contacted；So as to process to stripping gas, liquid can be recycled.
Description
Technical field
This utility model is related to a kind of processing meanss of contaminated soil, and in particular to a kind of soil vapor extraction and biological filter
Tower combined treatment device, belongs to technical field of soil remediation.
Background technology
With the enforcement of the policy such as national " move back two and enter three ", " Tui Chengjin gardens ", " industry transfer ", national big and medium-sized cities are permitted
Many chemical plant, insecticide factory, steel plant, metal smelt, plating and machining Chang Denggao contaminating enterprises progressively will be closed down changes the line of production
Or resettlement, leave that a large amount of types are various, the contaminated site that characteristic is complicated.These industrial pollution places to Soil Surrounding and
Subsoil water is polluted.In-situ immobilization is due to without the need for carrying out excavation process to contaminated site, more and more being applied.
Gas phase extraction technique in situ is to utilize exterior power, orders about soil air in Polluted area and forces olderly flowage, will
Gas-phase volatile organic compounds (Volatile Organic Compounds, VOCs) and semi-volatile organic matter (Semi-
Volatile Organic Compounds, SVOCs) extracted to the exhaust gas purification system for being arranged on earth's surface, carry out unifying to receive
Collection and disposal.The technology can be used for the reparation of the VOCs-contaminated Soils such as chlorohydrocarbon, benzene homologues, external contaminated soil and
The existing more practical engineering application in groundwater remediation field.
At present, the research work both at home and abroad for gas phase extraction technique focuses primarily upon the fortune of fluid in gas phase extractive process
Shifting, pollutant mass transfer and processing simulation.The tail gas for extracting from extraction well and collecting in traditional gas extraction system, through gas-liquid point
From rear tail gas process through activated carbon adsorption etc. up to standard after discharge, detached waste water then enters sewage treatment facility, and technological process is multiple
Miscellaneous, and during longtime running, activated carbon replacing amount is big, operating cost is higher.Therefore, for soil in-situ gas phase extraction technique, simplify
The processing technological flow of stripping gas, it is very must to set up permanently effective gas phase extracting with the combined treatment process of biological filtering tower combined working
Want.
Content of the invention
Technical problem to be solved in the utility model is for the deficiencies in the prior art, and provides a kind of soil
Gas phase extracting and biological filtering tower combined working combined treatment device, soil vapor extraction device, two kinds of technology of biological filtering tower combined working are combined, are realized
The harmlessness disposing of the volatility/half volatile organic contaminant in contaminated soil, so that reach the purpose of repairing polluted soil.
To achieve these goals, this utility model is adopted the following technical scheme that：
A kind of soil vapor extraction and biological filtering tower combined working combined treatment device, are dug out including contaminated soil place earth's surface downwards
Extraction well and the extraction system of extraction stain gas, the gas outlet of extraction well are connected with the gas feed of extraction system, its
It is characterised by：Also include that the exhaust treatment system for processing contamination gas, exhaust treatment system include biological filtering tower combined working and with which successively
The circulating pump of connection, nutrient substance add tank, fluid flowmeter；Described biological filtering tower combined working, bottom are provided with air inlet, liquid outlet,
Top is provided with air vent, inlet；The air inlet of the biological filtering tower combined working is connected with the gas outlet of extraction system, liquid outlet with
The import of circulating pump is connected, and inlet is connected with the outlet of fluid flowmeter.
In above-mentioned technical proposal, described extraction well is made up of well casing and packed layer：The well casing of described extraction well is one
Whole section of well casing, is followed successively by white pipeline section, sieve tube segment from top to bottom；Described packed layer is by the inserts structure for being filled in well tubular wall surrounding
Into being followed successively by cement sand bed, bentonite bed, quartz sand layer from top to bottom.
In above-mentioned technical proposal, described white pipeline section is located at earth's surface to 25m below earth's surface, and sieve tube segment is located at ground
Below table in the range of 25～28m.
In above-mentioned technical proposal, described cement sand bed, in the range of 0.5～1.0m below earth's surface to earth's surface, by
Cement mortar is constituted；Described bentonite bed, in the range of below 0.5～1.0m below earth's surface to earth's surface 24.5m, by swollen
Profit soil is constituted；Described quartz sand layer, in the range of 24.5～25m below earth's surface, is made up of the quartz sand of 3～8mm of particle diameter.
In above-mentioned technical proposal, described well casing is one whole section of pvc pipe, and a part is with slot, a part without cutting
Seam, is white pipeline section without the part of slot, and the part with slot is sieve tube segment, a width of 0.5～2.0mm of the seam of slot.
In above-mentioned technical proposal, the top of the white pipeline section is equipped with the pipe cap of PVC materials, and pipe cap is provided with gas and goes out
Mouthful, gas outlet is connected with the gas feed of described extraction system.
In above-mentioned technical proposal, described extraction well is also equipped with the monitoring well that contaminated soil place earth's surface is dug out downwards,
Monitoring well is located in the radius of influence of extraction well (about 6 meters of the radius of influence), and monitoring well is equipped with vacuum table.
In above-mentioned technical proposal, gas-liquid separator that described extraction system includes being sequentially connected, ball valve, cleaner unit, stream
Gauge, vacuum meter, relief valve and air-introduced machine, wherein：Gas of the gas feed of gas trap by pipeline with extraction well goes out
Mouth be connected and the pipeline on butterfly valve is installed, the gas outlet of air-introduced machine is connected with the air inlet of described biological filtering tower combined working.
In above-mentioned technical proposal, described biological filtering tower combined working is the commercially available biological filter that can carry out gas-liquid counter current contact in this area
Tower, only the filler of internal filling is inert filler；
Inert filler is preferably appointing in compost, peat, wood flour, perlite, granular active carbon, pottery, plastics, rustless steel
Meaning is a kind of, two kinds and the above mixture formed with arbitrary proportion；
Described biological filtering tower combined working is preferably the biological filtering tower combined working with following internal structure, enclosure interior：Top inlet
Lower section is installed on liquid distribution trough, is installed on gas distributor, is provided with one or more layers in housing above bottom air inlet
Inert filler layer；Packing layer is by the inert filler and inert filler that lays in the gripper shoe, gripper shoe being fixed in housing
The pressure network of side's laying is constituted；Described liquid distribution trough is connected with the outlet of fluid flowmeter by pipeline, described gas
Distributor is connected with the gas outlet of air-introduced machine by pipeline；The method of operation of packed tower is gas-liquid counter current, and extracting tail gas is by tower
Bottom enters tower body, passes through packing layer, spray liquid by liquid distribution trough, equably to be sprayed in packing layer by tower top from bottom to top
Flow downward along filler layer surface, gas-liquid counter current is contacted；Containing growth of microorganism desired nutritional material in spray liquid, can be formed
Biomembrane, the stripping gas of rising enter liquid phase by gas-liquid mass transfer, then are diffused into biology by diffusion and convective mass transfer process
In film, and then organic gas component therein is degraded by microorganisms, and reaches during to tower top；
Described liquid distribution trough be preferably shower nozzle (nozzle) or gondola water faucet etc. can uniform ejecting liquid device；
Described gas distributor is preferably made up of a main air inlet pipe and Duo Gen branched inlet pipes；Arrange below main air inlet pipe
There is a primary air inlet, be connected with the gas outlet of air-introduced machine by gas pipeline；It is evenly arranged with above main air inlet pipe multiple
QI KOU is separated, connection branched inlet pipe in QI KOU is separated；
In described biological filtering tower combined working, preferred spray liquid is put into spray mode for continuous spray or intermittent shower, and spray flux can root
It is adjusted by effusion meter according to pollutant levels in stripping gas；
Described housing is made up of carbon steel, rustless steel or pottery；
When described inert filler layer is multilamellar, a liquid distribution trough can be set with per layer.
In above-mentioned technical proposal, store containing growth of microorganism desired nutritional material in described nutrient substance interpolation tank
Spray liquid, spray liquid through fluid flowmeter metering entered in biological filtering tower combined working to contamination gas by the inlet at the top of biological filtering tower combined working
Body is processed, and spray liquid is back to nutrient substance by the liquid outlet of biological filtering tower combined working bottom through circulating pump after processing dusty gass and adds
Plus in tank, so as to form cyclic process.
In above-mentioned technical proposal, described gas-liquid separator is used for moisture in extraction gas, preferably baffle separation
Any one in device, cyclone separator or filler separator；
Described effusion meter is used for the flow for measuring stripping gas, preferably pitot tube, spinner flowmeter, vortex flow
Any one in meter or electromagnetic flowmeter；
Described vacuum meter is used for measuring extracting well pressure, commonly commercially available vacuum meter；
Described relief valve is used for releasing the unnecessary gases at high pressure in pipeline after air-introduced machine compression, commonly commercially available pressure release
Valve；
Described air-introduced machine is used for stripping gas from extraction well in situ through gas-liquid separator, cleaner unit, effusion meter, vacuum
Table and relief valve guide exhaust treatment system, preferably whirlpool blower fan into.
The implementation of this utility model device is：
The sieve tube segment of extraction well is placed in below earth's surface in the range of 25～28m, 25m below earth's surface to earth's surface is white pipeline section；
Then sealing material is filled in the gap of well casing and soil, between the well casing and soil below earth's surface in the range of 24.5～25m
Filled using the quartz sand of 3～8mm of particle diameter, the well casing and soil in the range of 0.5～1.0m of below 24.5m below earth's surface to earth's surface
Between using bentonite fill, between the well casing and soil in the range of 0.5～1.0m below earth's surface to earth's surface adopt cement seal；
Then pipe cap only being filled in and sealing being reached on well casing, open air-introduced machine and circulating pump, stripping gas are taken out by air-introduced machine from original position
Carrying biological filtering tower combined working is guided into through gas-liquid separator, cleaner unit, effusion meter, vacuum meter and relief valve；Nutrient substance adds
Plus the spray liquid in tank is entered in biological filtering tower combined working by the inlet at the top of biological filtering tower combined working, is flowed downward along filler layer surface, and
From entering tower body by bottom of towe, from bottom to top through packing layer, gas-liquid counter current is contacted stripping gas；Give birth to containing microorganism in spray liquid
Long desired nutritional material, can form biomembrane, and the stripping gas of rising enter liquid phase by gas-liquid mass transfer, then by diffusion and
Convective mass transfer process is diffused in biomembrane, and then organic gas component therein is degraded by microorganisms, and reaches row during to tower top
Discharge through aiutage after putting requirement；Spray liquid after use is back to nutrient substance by the bottom of biological filtering tower combined working to be added in tank, adds
Plus can continue to use as spray liquid after growth of microorganism desired nutritional material, so as to form cyclic process.If subsoil water
Water level is shallower, can increase by one layer of diaphragm seal in the adjacent ground surface of extraction well, and the diaphragm seal is preferably HDPE film.
Compared to prior art, the utility model has the advantage of：
1. extracting tail gas is processed using biological filtering tower combined working, process organic contamination in tail gas in gas is separated while moisture
Thing, simplifies technological process；
2. the technique that instead of conventional carbon adsorption treatment tail gas, saves activated carbon usage amount, reduces and run into
This.
Description of the drawings
Fig. 1：The overall structure diagram of this utility model device
Fig. 2：The structural representation of extraction well in this utility model device；
Fig. 3：The structural representation of the biological filtering tower combined working used in this utility model device embodiment 1；
Wherein：1- extraction wells, 2- monitoring wells, 3- butterfly valves, 4- gas-liquid separators, 5- ball valves, 6- cleaner units, 7- effusion meters,
8- vacuum meters, 9- relief valves, 10- air-introduced machines, 11- biological filtering tower combined workings, 12- circulating pumps, 13- nutrient substance add tank, 14- liquid flows
Gauge, the white pipeline sections of 15-, 16- sieve tube segments, 17- pipe caps, 18- liquid distribution troughs, 19- gas distributors, 20- gripper shoes, 21- are lazy
Property filler, 22- pressure networks, 23- inert filler layers, the housing of 24- biological filtering tower combined workings.
Specific embodiment
Hereinafter the specific embodiment of technical solution of the present invention is described in detail, but the present invention is not limited in following description
Hold：
A kind of soil vapor extraction and biological filtering tower combined working combined treatment device, as shown in Figure 1：Including extraction well 1, monitoring well 2,
Extraction system, exhaust treatment system, monitoring well are located in the radius of influence of extraction well, and monitoring well is equipped with vacuum table：
Gas-liquid separator 4 that extraction system includes being sequentially connected, ball valve 5, cleaner unit 6, effusion meter 7, vacuum meter 8, pressure release
Valve 9 and air-introduced machine 10, wherein：The gas feed of gas trap is connected with the gas outlet of extraction well by pipeline and should
Butterfly valve 3 is installed on pipeline, the gas outlet of air-introduced machine 10 is connected with the air inlet of exhaust treatment system；
Exhaust treatment system includes biological filtering tower combined working 11 and the circulating pump 12, nutrient substance that is sequentially connected with which add tank 13,
Fluid flowmeter 14；Biological filtering tower combined working, bottom are provided with air inlet, liquid outlet, and top is provided with air vent, inlet；Biological filtering tower combined working
Air inlet is connected with the gas outlet of above-mentioned air-introduced machine 10；The liquid outlet of biological filtering tower combined working is connected with the import of circulating pump,
Inlet is connected with the outlet of fluid flowmeter.
Above-mentioned extraction well is made up of well casing and packed layer, wherein：The well casing of described extraction well is one whole section of pvc pipe
(as shown in Figure 2), a part are white pipeline section 15 without the part of slot with slot, a part without slot, with cutting
The part of seam is sieve tube segment 16, and white pipeline section is upper and sieve tube segment is below；The top of white pipeline section 15 is equipped with the pipe of PVC materials
Cap 17, pipe cap are provided with gas outlet, and gas outlet is connected with the gas feed of described extraction system.Described packed layer
It is made up of the inserts for being filled in well tubular wall surrounding, is followed successively by cement sand bed, bentonite bed, quartz sand layer from top to bottom.In vain
Pipeline section 15 is located at earth's surface to 25m below earth's surface, and sieve tube segment 16 is located at below earth's surface in the range of 25～28m；Cement bonded sand
Pulp layer is located at earth's surface to 0.5～1.0m below earth's surface, and bentonite bed is positioned at 0.5～1.0m below earth's surface to earth's surface
In the range of 24.5m, quartz sand layer is located at below earth's surface in the range of 24.5～25m.
Above-mentioned biological filtering tower combined working 11 can be the commercially available biological filtering tower combined working that can carry out gas-liquid counter current contact, and only inside is filled out
The filler for filling is inert filler；Inert filler be preferably compost, peat, wood flour, perlite, granular active carbon, pottery, plastics,
In rustless steel any one, two kinds and above with arbitrary proportion formed mixture.Biological filtering tower combined working is preferably has Fig. 3 structures
Filter tower：In 11 housing 24 of biological filtering tower combined working：Liquid distribution trough 18, the top of bottom air inlet is installed on below the inlet of top
Gas distributor 19 is installed on, central authorities are provided with one or more layers inert filler layer 23；Inert filler layer is by being fixed in housing
Gripper shoe 20, gripper shoe on lay inert filler 21 and inert filler above lay pressure network 22 constitute；Described liquid
Body distributor is connected with the outlet of fluid flowmeter 14 by pipeline, and described gas distributor is by pipeline and air-introduced machine 10
Gas outlet be connected；Described liquid distribution trough 18 is shower nozzle or gondola water faucet；Described gas distributor 19 is entered by a master
Trachea and Duo Gen branched inlet pipes are constituted, and are provided with a primary air inlet, going out by pipeline and air-introduced machine 10 below main air inlet pipe
QI KOU is connected, and is evenly arranged with and multiple separate QI KOU, separate in QI KOU connection branched inlet pipe above main air inlet pipe.
The spray liquid containing growth of microorganism desired nutritional material is stored in above-mentioned nutrient substance interpolation tank 13, is sprayed
Liquid measures to be entered in biological filtering tower combined working by the inlet at the top of biological filtering tower combined working 11 through fluid flowmeter 14 and dusty gass is carried out
Reason, spray liquid are back to nutrient substance by the liquid outlet of biological filtering tower combined working bottom through circulating pump 12 after processing dusty gass and add tank
In, so as to form cyclic process.
The structure of this utility model device, the method for operation are specifically illustrated with reference to embodiment.
Embodiment 1：
Pollutant are processed using this utility model device：The major pollutants of certain chemical plant contaminated site are chloroethene
The chlorohydrocarbons such as alkene, vinyl trichloride and chloroform, in soil maximum contaminant level be respectively 8.56mg/kg, 28.6mg/kg and
4.06mg/kg.The formation structure is respectively miscellaneous fill, sandy silt and silty clay from top to bottom.The screen casing of extraction well
Depth is set to 25～28m below earth's surface, is filled out using quartz sand below earth's surface in the range of 24.5～25m between well casing and soil
Fill, 24.5m below earth's surface to ground is filled using bentonite, carries out consolidation sealing in bentonite filling concrete.
Contaminated soil is processed using this utility model device, the volatility in the gas of before processing extraction well exit
Content of organics is 750ppm.To open the extraction wells 1 in situ of air-introduced machine 10 pairs and be stripped operation, extracting flow is 7.6～
8.3m3/ h, the reachable -0.03MPa of extraction pressure.In the gas for being extracted, volatile organic content reaches 15000ppm, extraction well
Periphery spacing is volatile organic content in the monitoring well exit gas of 3m up to 800～900ppm.Stripping gas are passed through with life
Qualified discharge after tail gas treatment process based on thing filter tower.
Examples detailed above is technology design to illustrate the invention and technical characterstic, can not limit the present invention's with this
Protection domain.Equivalent transformation or modification that all essence according to the present invention is done, all should cover in protection scope of the present invention
Within.
Claims (10)
1. a kind of soil vapor extraction and biological filtering tower combined working combined treatment device, including taking out that contaminated soil place earth's surface is dug out downwards
The extraction system of well (1) and extraction stain gas is carried, the gas outlet of extraction well is connected with the gas feed of extraction system, its
It is characterised by：Also include process contamination gas exhaust treatment system, exhaust treatment system include biological filtering tower combined working (11) and and its
The circulating pump (12) that is sequentially connected, nutrient substance add tank (13), fluid flowmeter (14)；Described biological filtering tower combined working, bottom sets
There are air inlet, liquid outlet, top to be provided with air vent, inlet；The air inlet of the biological filtering tower combined working is gone out with the gas of extraction system
Mouth is connected, and liquid outlet is connected with the import of circulating pump, and inlet is connected with the outlet of fluid flowmeter.
2. device according to claim 1, it is characterised in that described extraction well is made up of well casing and packed layer：Described
Extraction well well casing be one whole section of well casing, be followed successively by white pipeline section (15), sieve tube segment (16) from top to bottom, white pipeline section (15) are located at
To 25m below earth's surface, sieve tube segment (16) is located at below earth's surface in the range of 25～28m earth's surface；Described packed layer by
The inserts for being filled in well tubular wall surrounding are constituted, and are followed successively by cement sand bed, bentonite bed, quartz sand layer, cement from top to bottom
Screed be located at earth's surface to 0.5～1.0m below earth's surface, bentonite bed be located at earth's surface below 0.5～1.0m to earth's surface with
In the range of lower 24.5m, quartz sand layer is located at below earth's surface in the range of 24.5～25m.
3. device according to claim 2, it is characterised in that described well casing is one whole section of pvc pipe, a part is with cutting
Seam, a part, without slot, are white pipeline section (15) without the part of slot, and the part with slot is sieve tube segment (16),
A width of 0.5～the 2.0mm of the seam of slot.
4. device according to claim 3, it is characterised in that the top of described white pipeline section (15) is equipped with PVC materials
Pipe cap (17), pipe cap is provided with gas outlet, and gas outlet is connected with the gas feed of described extraction system.
5. device according to claim 2, described extraction well (1) are also equipped with contaminated soil place earth's surface and dig out downwards
Monitoring well (2), monitoring well be located at extraction well the radius of influence in, monitoring well is equipped with vacuum table.
6. device according to claim 1, it is characterised in that described extraction system includes the gas-liquid separation being sequentially connected
Device (4), ball valve (5), cleaner unit (6), effusion meter (7), vacuum meter (8), relief valve (9) and air-introduced machine (10), wherein：Gas point
Gas feed from device be connected with the gas outlet of extraction well by pipeline and the pipeline on butterfly valve (3), air-introduced machine are installed
(10) gas outlet is connected with the air inlet of described biological filtering tower combined working.
7. device according to claim 1, it is characterised in that described biological filtering tower combined working (11) is commercially available to carry out gas-liquid
The biological filtering tower combined working of counter current contacting, the filler of internal filling is inert filler.
8. device according to claim 7, it is characterised in that described biological filtering tower combined working (11) housing (24) internal structure
For：Liquid distribution trough (18) is installed on below the inlet of top, is installed on gas distributor (19) above bottom air inlet,
Central authorities are provided with one or more layers inert filler layer (23)；Inert filler layer is by the gripper shoe (20), support being fixed in housing
The pressure network (22) that lays above the inert filler (21) that lays on plate and inert filler is constituted；Described liquid distribution trough passes through
Pipeline is connected with the outlet of fluid flowmeter (14), and described gas distributor is by pipeline and the outlet of air-introduced machine (10)
Mouth is connected.
9. device according to claim 8, it is characterised in that described liquid distribution trough (18) is shower nozzle or gondola water faucet；
Described gas distributor (19) is made up of a main air inlet pipe and Duo Gen branched inlet pipes, is provided with a master below main air inlet pipe
Air inlet, be connected with the gas outlet of air-introduced machine (10) by pipeline, be evenly arranged with above main air inlet pipe multiple separate QI KOU,
Separate connection branched inlet pipe in QI KOU.
10. device according to claim 1, it is characterised in that described nutrient substance adds to store in tank (13) and contains
There are the spray liquid of growth of microorganism desired nutritional material, spray liquid to measure at the top of by biological filtering tower combined working (11) through fluid flowmeter (14)
Inlet enter into, spray liquid is processed after dusty gass by biological filtering tower combined working bottom
Liquid outlet through circulating pump (12) be back to nutrient substance add tank in, so as to form cyclic process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620938041.XU CN206009404U (en) | 2016-08-24 | 2016-08-24 | A kind of contaminated soil gas phase extracting and biological filtering tower combined working combined treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620938041.XU CN206009404U (en) | 2016-08-24 | 2016-08-24 | A kind of contaminated soil gas phase extracting and biological filtering tower combined working combined treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206009404U true CN206009404U (en) | 2017-03-15 |
Family
ID=58251090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620938041.XU Active CN206009404U (en) | 2016-08-24 | 2016-08-24 | A kind of contaminated soil gas phase extracting and biological filtering tower combined working combined treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206009404U (en) |
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2016
- 2016-08-24 CN CN201620938041.XU patent/CN206009404U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20191226 Address after: 518000 Guangdong city of Shenzhen province Nanshan District Taoyuan Xueyuan Road 1088 Street Co-patentee after: Hu Qing Patentee after: Shenzhen Nanke big asset management limited company Address before: 100083 Beijing city Haidian District Wangzhuang Road No. 1, Tsinghua Tongfang technology building D, East Building 28 storey Co-patentee before: Hu Qing Patentee before: BEIJING NANKEDA BLUE TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right |