CN204583847U - Two-part auger indirect thermal desorption apparatus - Google Patents
Two-part auger indirect thermal desorption apparatus Download PDFInfo
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- CN204583847U CN204583847U CN201520264444.6U CN201520264444U CN204583847U CN 204583847 U CN204583847 U CN 204583847U CN 201520264444 U CN201520264444 U CN 201520264444U CN 204583847 U CN204583847 U CN 204583847U
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Abstract
A kind of two-part auger indirect thermal desorption apparatus, belong to a kind of contaminated soil remediation device, comprise the upper sledge and lower sledge arranged up and down, pyrolysis suction-chamber, upper strata is provided with in upper sledge, feed hopper, charging flapper, air preheater, air blast, first quench spray tower, second quench spray tower, deentrainment tower and air-introduced machine, pyrolysis suction-chamber of lower floor is provided with in lower sledge, activated carbon filtration tank, combustion chamber, discharge bucket and discharging flapper, thermal desorption indoor, upper strata are provided with the first auger, thermal desorption outdoor surface cover in upper strata has upper strata flue gas chuck, lower floor's thermal desorption indoor are provided with the second auger, the outdoor surface cover of lower floor's thermal desorption has lower floor's flue gas chuck.The utility model process organic polluted soil or mercury contaminated soil time, not only disposal ability is large, pollutants removal rate is high, operating cost is low, and small volume, be convenient to transport and install.
Description
Technical field:
The utility model relates to a kind of contaminated soil remediation device, is specifically a kind of two-part auger indirect thermal desorption apparatus.
Background technology:
Soil is the important natural resources that the mankind depend on for existence, is also the important component part of human ecological environment.Along with social technology expanding economy, improving constantly of people's living standard, the general level of the health, having higher requirement to realizing green environment, curbing environmental pollution and also becoming the important topic of urban construction.Along with the adjustment of the industrial structure; originally the industrial enterprise being in main city zone in many cities closes down or resettlement; leave over lower a large amount of high pollution soil; comprise a large amount of organic polluted soil; ambient atmosphere and water can be polluteed; to people's life, healthy produce harmful effect, these places of being polluted have to pass through soil remediation could drop into new purposes, therefore to have contaminated soil to carry out important content that repairing and treating becomes environmental protection.
Soil remediation is international difficult point and hot research problem always, more domestic colleges and universities of China and scientific research department have recognized demand, policy guidance that country is following, predict the huge space of Mirae Corp.'s development, so done related work on the field such as technology and management.
For the reparation of organic polluted soil or mercury contaminated soil, thermal desorption technology is one of main contaminated soil remediation technology, this technology is with direct or indirect heat exchange heating, and the temperature making pollution components in soil reach enough makes it evaporate and the process be separated with Soil mediation.Pollution components after separation is further processed by modes such as burning, absorption or chemical reactions again.Heat transferring medium in thermal desorption device is generally air, combustion product gases, inert gas, high-temperature steam, conduction oil or fused salt etc., and thermal desorption process is the physical process that in soil, pollution components enters gas phase from solid phase or liquid phase heat trnasfer.
Publication number a kind of dystopy thermal desorption processing method relating to contaminated soil that has been the disclosure of the invention of CN103203355A.Contaminated soil is carried out sieve, broken, beat heap, contaminated soil mound thickness is even, the underlying plenum chamber of contaminated soil, contaminated soil sealed thermal insulating layer covering, and above sealed thermal insulating layer coverage rate, is provided with extracting is responsible for, and parallel pipeline place is provided with switch valve.Its objective is in order to heat treatment technics energy resource consumption in contaminated solution soil remediation regenerative process is high and the problem of waste and the invention that designs.
Publication number a kind of contaminated soil electromagnetic thermal desorption system that has been the disclosure of the invention of CN103341486A.This system comprises cylinder type electromagnetic thermal desorptor, electromagnetic heating control system, drum rotation speed control system, heat exchanger and exhaust gas purification system.Its objective is and ensure that the organic pollution volatilized from contaminated soil is taken out of cylinder type electromagnetic thermal desorptor in time, pass through the exhaust temperature carrying out heat exchange with cold air will decline, entered the wet scrubber in exhaust gas purification system by offgas outlet by the road, enter active carbon adsorber afterwards.
Publication number a kind of thermal desorption device for repairing mercury contaminated soil that has been the disclosure of the invention of CN104096709A.This device comprises feed system, rotary kiln heating system, dust pelletizing system, cooling condenser system, tail gas filtering system, gas blow-off system, condensate collection system, sedimentation and filtration system, soil cooling system and discharge system.This invention aims at mercury contaminated soil and designs, thus repairs by mercury institute contaminated soil.
Above three patents are the part that existing thermal desorption technically carries out and improve, although the patent that publication number is CN103203355A partly can reduce energy consumption due to material and not stir, repairing efficiency is long, partly repair shortcoming not in place.Publication number is that the patent of CN103341486A adopts secondary energy sources electricity to heat as the energy, has the shortcoming of cost of disposal high and cylinder sealing difficulty.Publication number is that the patent of CN104096709A adopts rotary kiln as main thermal desorption equipment, but adopt directly heating to need tail gas after-treatment, equipment is complicated, bulky, transports and installs inconvenient and have the shortcoming that operating cost is high, there is secondary pollution hidden danger.
Utility model content:
The technical problems to be solved in the utility model is, there is provided a kind of when processing organic polluted soil or mercury contaminated soil, not only disposal ability is large, pollutants removal rate is high, operating cost is low, and small volume, be convenient to transport and install two-part auger indirect thermal desorption apparatus.
Technical solution of the present utility model is, a kind of two-part auger indirect thermal desorption apparatus is provided, comprise the upper sledge and lower sledge arranged up and down, pyrolysis suction-chamber, upper strata is provided with in upper sledge, feed hopper, charging flapper, air preheater, air blast, first quench spray tower, second quench spray tower, deentrainment tower and air-introduced machine, pyrolysis suction-chamber of lower floor is provided with in lower sledge, activated carbon filtration tank, combustion chamber, discharge bucket and discharging flapper, thermal desorption indoor, upper strata are provided with the first auger, thermal desorption outdoor surface cover in upper strata has upper strata flue gas chuck, lower floor's thermal desorption indoor are provided with the second auger, the outdoor surface cover of lower floor's thermal desorption has lower floor's flue gas chuck, the outlet of feed hopper is connected with the entrance of charging flapper and communicates, the outlet of charging flapper is connected with the charging aperture above pyrolysis suction-chamber, upper strata left end and communicates, discharging opening below pyrolysis suction-chamber, upper strata right-hand member to be connected with the charging aperture above lower floor pyrolysis suction-chamber right-hand member by pipeline and to communicate, the discharging opening of lower floor's pyrolysis suction-chamber left end is connected with the entrance of discharge bucket and communicates, the outlet of discharge bucket is connected with the entrance of discharging flapper and communicates, exhanst gas outlet above combustion chamber is connected with the entrance below lower floor flue gas chuck left end and communicates, outlet above lower floor's flue gas chuck right-hand member to be connected with the entrance below the flue gas chuck right-hand member of upper strata by pipeline and to communicate, outlet above the flue gas chuck left end of upper strata is connected with air preheater and communicates, air blast is connected with air preheater and communicates, air preheater to be connected with combustion chamber by pipeline and to communicate, steam (vapor) outlet above in the middle part of pyrolysis suction-chamber, upper strata is connected with the entrance of the first quench spray tower and communicates, the outlet of the first quench spray tower to be connected with the entrance of deentrainment tower by pipeline and to communicate, steam (vapor) outlet above lower floor's pyrolysis suction-chamber left part is connected with the entrance of the second quench spray tower and communicates, the outlet of the second quench spray tower to be connected with the entrance of deentrainment tower by pipeline and to communicate, the outlet of deentrainment tower is connected with the entrance of air-introduced machine and communicates, the outlet of air-introduced machine to be connected with the entrance of activated carbon filtration tank by pipeline and to communicate, the outlet of activated carbon filtration tank is connected with combustion chamber and communicates.
Two-part auger indirect thermal desorption apparatus described in the utility model, wherein, the first auger and the second auger are for having axle auger or shaftless auger.
Two-part auger indirect thermal desorption apparatus described in the utility model, wherein, the packing auger blade of the first auger and the second auger is all provided with the lifting sheet increasing contaminated soil and stir.
Two-part auger indirect thermal desorption apparatus described in the utility model, wherein, the first auger is provided with the iron chains of preventing pollution soil bonding.
Two-part auger indirect thermal desorption apparatus described in the utility model, wherein, activated carbon filtration tank is two and is arranged in series.
Two-part auger indirect thermal desorption apparatus described in the utility model, wherein, the energy that combustion chamber uses is for producing the natural gas of 800 ~ 1200 DEG C of high-temperature flue gas, diesel oil or biomass fuel.
After adopting above structure, compared with prior art, the utility model two-part auger indirect thermal desorption apparatus has the following advantages: operationally, natural gas, the high-temperature flue gas of 800 ~ 1200 DEG C that diesel oil or biomass fuel equal energy source produce in combustion chamber combustion, first can enter in lower floor's flue gas chuck, and then enter in the flue gas chuck of upper strata, first contaminated soil is less than 5cm through crushing and screening to particle diameter, and then with fixed rate continous-stable through feed hopper, it is indoor that charging flapper enters into upper strata thermal desorption, move to right-hand member under the rotation of the first auger, contaminated soil is preheated in thermal desorption indoor, upper strata, dry, moisture flashes to steam and enters into the first quench spray tower fast cooling condensation, the sewage of condensation can be sent to water treatment and be for further processing, fixed gas is through deentrainment tower, enter in activated carbon filtration tank under the driving of air-introduced machine, after the filtration of activated carbon filtration tank, enter into again in combustion chamber and carry out high temperature incineration, contaminated soil is preheated in thermal desorption indoor, upper strata, lower floor's thermal desorption can be entered into indoor after drying, and move to left end under the rotation of the second auger, contaminated soil is further heated 200 ~ 650 DEG C in lower floor's thermal desorption indoor, organic matter contained in contaminated soil or mercury can be heated to boiling point and separate in vapour form, then organic matter or mercuryvapour can enter into the second quench spray tower fast cooling condensation, the sewage of condensation can be sent to water treatment and be for further processing, fixed gas is through deentrainment tower, enter in activated carbon filtration tank under the driving of air-introduced machine, after the filtration of activated carbon filtration tank, enter into again in combustion chamber and carry out high temperature incineration, contaminated soil is behind pyrolysis suction-chamber, upper strata and lower floor's pyrolysis suction-chamber thermal desorption process, the organic matter of more than 99.9% or mercury are desorbed to be separated, then clean soil is discharged after discharge bucket and discharging flapper, and discharge after decreasing temperature and increasing humidity, flue gas in the flue gas chuck of upper strata can enter in air preheater, preheating is carried out to the air that air blast blasts, it is combustion-supporting that air after preheating enters combustion chamber, flue gas in air preheater after cooling can direct qualified discharge.From the above course of work, contaminated soil is with the charging of fixed rate continous-stable, disposal ability is large, the direction of motion of high-temperature flue gas in lower floor's flue gas chuck and upper strata flue gas chuck that combustion chamber combustion produces is contrary in the direction of motion of pyrolysis suction-chamber, upper strata and lower floor's thermal desorption indoor with contaminated soil, pollutants removal rate is high, and have employed air preheater Mist heat recovering, thermal source utilization rate is high, adopt pyrolysis suction-chamber, high-temperature flue gas indirect upper strata and pyrolysis suction-chamber of lower floor, decrease and need exhaust gas volumn to be processed, for organic polluted soil or mercury contaminated soil, the removal efficiency of more than 99.9% can be realized, and operating cost is lower, all elements of the present utility model are separately positioned in sledge and lower sledge, and the space taken full advantage of in sledge and lower sledge, overall volume is less, pipeline between upper sledge and lower sledge can make sledge and lower sledge separately after dismantling, be convenient to transport.
Lifting sheet on the packing auger blade of the first auger and the second auger can increase the stirring of contaminated soil, and contaminated soil homogeneous heating can be made abundant.
Iron chains on first auger can the bonding of preventing pollution soil, adds the conveying capacity of soil, and is applicable to various contaminated soil of different nature.
Activated carbon filtration tank is two and is arranged in series compared with an activated carbon filtration tank, adds the ability of filtering gas.
Accompanying drawing illustrates:
Fig. 1 is the process flow diagram of the utility model two-part auger indirect thermal desorption apparatus.
Detailed description of the invention:
Below in conjunction with the drawings and specific embodiments, the utility model two-part auger indirect thermal desorption apparatus is described further:
As shown in Figure 1, the utility model two-part auger indirect thermal desorption apparatus comprises the upper sledge 2 and lower sledge 1 arranged up and down, pyrolysis suction-chamber, upper strata 3 is provided with in upper sledge 2, feed hopper 11, charging flapper 13, air preheater 10, air blast 9, first quench spray tower 8, second quench spray tower 12, deentrainment tower 7 and air-introduced machine 5, pyrolysis suction-chamber of lower floor 20 is provided with in lower sledge 1, activated carbon filtration tank 18, combustion chamber 16, discharge bucket 14 and discharging flapper 15, the first auger 6 is provided with in pyrolysis suction-chamber, upper strata 3, the outer surface cover in pyrolysis suction-chamber, upper strata 3 has upper strata flue gas chuck 4, the second auger 17 is provided with in pyrolysis suction-chamber of lower floor 20, the outer surface cover in pyrolysis suction-chamber of lower floor 20 has lower floor's flue gas chuck 19, the outlet of feed hopper 11 is connected with the entrance of charging flapper 13 and communicates, the outlet of charging flapper 13 is connected with the charging aperture above pyrolysis suction-chamber 3, upper strata left end and communicates, discharging opening below pyrolysis suction-chamber 3, upper strata right-hand member to be connected with the charging aperture above lower floor pyrolysis suction-chamber 20 right-hand member by pipeline and to communicate, the discharging opening of lower floor's pyrolysis suction-chamber 20 left end is connected with the entrance of discharge bucket 14 and communicates, the outlet of discharge bucket 14 is connected with the entrance of discharging flapper 15 and communicates, exhanst gas outlet above combustion chamber 16 is connected with the entrance below lower floor flue gas chuck 19 left end and communicates, outlet above lower floor's flue gas chuck 19 right-hand member to be connected with the entrance below flue gas chuck 4 right-hand member of upper strata by pipeline and to communicate, outlet above flue gas chuck 4 left end of upper strata is connected with air preheater 10 and communicates, air blast 9 is connected with air preheater 10 and communicates, air preheater 10 to be connected with combustion chamber 16 by pipeline and to communicate, steam (vapor) outlet above in the middle part of pyrolysis suction-chamber, upper strata 3 is connected with the entrance of the first quench spray tower 8 and communicates, the outlet of the first quench spray tower 8 to be connected with the entrance of deentrainment tower 7 by pipeline and to communicate, steam (vapor) outlet above lower floor's pyrolysis suction-chamber 20 left part is connected with the entrance of the second quench spray tower 12 and communicates, the outlet of the second quench spray tower 12 to be connected with the entrance of deentrainment tower 7 by pipeline and to communicate, the outlet of deentrainment tower 7 is connected with the entrance of air-introduced machine 5 and communicates, the outlet of air-introduced machine 5 to be connected with the entrance of activated carbon filtration tank 18 by pipeline and to communicate, the outlet of activated carbon filtration tank 18 is connected with combustion chamber 16 and communicates, first auger 6 and the second auger 17 can adopt axle auger also can adopt shaftless auger, the packing auger blade of the first auger and the second auger 17 is all provided with the lifting sheet increasing contaminated soil and stir, first auger 6 is also provided with the iron chains of preventing pollution soil bonding, activated carbon filtration tank 18 is two and is arranged in series, the energy that combustion chamber 16 uses is for producing the natural gas of 800 ~ 1200 DEG C of high-temperature flue gas, diesel oil or biomass fuel.
The operation principle of the utility model two-part auger indirect thermal desorption apparatus is: natural gas, the high-temperature flue gas of 800 ~ 1200 DEG C that diesel oil or biomass fuel equal energy source produce in combustion chamber 16 combustion, first can enter in lower floor's flue gas chuck 19, and then enter in upper strata flue gas chuck 4, first contaminated soil is less than 5cm through crushing and screening to particle diameter, and then with fixed rate continous-stable through feed hopper 11, charging flapper 13 enters in pyrolysis suction-chamber, upper strata 3, move to right-hand member under the rotation of the first auger 6, contaminated soil is preheated in pyrolysis suction-chamber, upper strata 3, dry, moisture flashes to steam and enters into the first quench spray tower 8 fast cooling condensation, the sewage of condensation can be sent to water treatment and be for further processing, fixed gas is through deentrainment tower 7, enter in activated carbon filtration tank 18 under the driving of air-introduced machine 5, after the filtration of activated carbon filtration tank 18, enter into again in combustion chamber 16 and carry out high temperature incineration, contaminated soil is preheated in pyrolysis suction-chamber, upper strata 3, can enter in pyrolysis suction-chamber of lower floor 20 after drying, and move to left end under the rotation of the second auger 17, contaminated soil is further heated 200 ~ 650 DEG C in pyrolysis suction-chamber of lower floor 20, organic matter contained in contaminated soil or mercury can be heated to boiling point and separate in vapour form, then organic matter or mercuryvapour can enter into the second quench spray tower 12 fast cooling condensation, the sewage of condensation can be sent to water treatment and be for further processing, fixed gas is through deentrainment tower 7, enter in activated carbon filtration tank 18 under the driving of air-introduced machine 5, after the filtration of activated carbon filtration tank 18, enter into again in combustion chamber 16 and carry out high temperature incineration, contaminated soil is behind pyrolysis suction-chamber, upper strata 3 and lower floor's pyrolysis suction-chamber 20 thermal desorption process, the organic matter of more than 99.9% or mercury are desorbed to be separated, then clean soil is discharged after discharge bucket 14 and discharging flapper 15, and discharge after decreasing temperature and increasing humidity, flue gas in upper strata flue gas chuck 4 can enter in air preheater 10, preheating is carried out to the air that air blast 9 blasts, it is combustion-supporting that air after preheating enters combustion chamber 16, flue gas in air preheater 10 after cooling can direct qualified discharge.
Above-described specific embodiment is only be described preferred embodiment of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (6)
1. a two-part auger indirect thermal desorption apparatus, it is characterized in that: comprise the upper sledge (2) and lower sledge (1) arranged up and down, pyrolysis suction-chamber, upper strata (3) is provided with in described upper sledge (2), feed hopper (11), charging flapper (13), air preheater (10), air blast (9), first quench spray tower (8), second quench spray tower (12), deentrainment tower (7) and air-introduced machine (5), lower floor pyrolysis suction-chamber (20) is provided with in described lower sledge (1), activated carbon filtration tank (18), combustion chamber (16), discharge bucket (14) and discharging flapper (15), the first auger (6) is provided with in pyrolysis suction-chamber, described upper strata (3), described upper strata pyrolysis suction-chamber (3) outer surface cover has upper strata flue gas chuck (4), described lower floor is provided with the second auger (17) in pyrolysis suction-chamber (20), pyrolysis suction-chamber of described lower floor (20) outer surface cover has lower floor's flue gas chuck (19), the outlet of described feed hopper (11) is connected with the entrance of charging flapper (13) and communicates, the outlet of described charging flapper (13) is connected with the charging aperture above pyrolysis suction-chamber, upper strata (3) left end and communicates, discharging opening below pyrolysis suction-chamber (3) right-hand member of described upper strata to be connected with the charging aperture above pyrolysis suction-chamber of lower floor (20) right-hand member by pipeline and to communicate, the discharging opening of pyrolysis suction-chamber of described lower floor (20) left end is connected with the entrance of discharge bucket (14) and communicates, the outlet of described discharge bucket (14) is connected with the entrance of discharging flapper (15) and communicates, exhanst gas outlet above described combustion chamber (16) is connected with the entrance below lower floor flue gas chuck (19) left end and communicates, outlet above described lower floor flue gas chuck (19) right-hand member to be connected with the entrance below flue gas chuck (4) right-hand member of upper strata by pipeline and to communicate, outlet above flue gas chuck (4) left end of described upper strata is connected with air preheater (10) and communicates, described air blast (9) is connected with air preheater (10) and communicates, described air preheater (10) to be connected with combustion chamber (16) by pipeline and to communicate, steam (vapor) outlet above middle part, pyrolysis suction-chamber, described upper strata (3) is connected with the entrance of the first quench spray tower (8) and communicates, the outlet of described first quench spray tower (8) to be connected with the entrance of deentrainment tower (7) by pipeline and to communicate, steam (vapor) outlet above pyrolysis suction-chamber of described lower floor (20) left part is connected with the entrance of the second quench spray tower (12) and communicates, the outlet of described second quench spray tower (12) to be connected with the entrance of deentrainment tower (7) by pipeline and to communicate, the outlet of described deentrainment tower (7) is connected with the entrance of air-introduced machine (5) and communicates, the outlet of described air-introduced machine (5) to be connected with the entrance of activated carbon filtration tank (18) by pipeline and to communicate, the outlet of described activated carbon filtration tank (18) is connected with combustion chamber (16) and communicates.
2. two-part auger indirect thermal desorption apparatus according to claim 1, is characterized in that: described first auger (6) and the second auger (17) are for having axle auger or shaftless auger.
3. two-part auger indirect thermal desorption apparatus according to claim 1 and 2, is characterized in that: the packing auger blade of described first auger (6) and the second auger (17) is all provided with the lifting sheet increasing contaminated soil and stir.
4. two-part auger indirect thermal desorption apparatus according to claim 3, is characterized in that: the iron chains described first auger (6) being provided with preventing pollution soil bonding.
5. two-part auger indirect thermal desorption apparatus according to claim 1, is characterized in that: described activated carbon filtration tank (18) is two and is arranged in series.
6. two-part auger indirect thermal desorption apparatus according to claim 1, is characterized in that: the energy that described combustion chamber (16) use is for producing the natural gas of 800 ~ 1200 DEG C of high-temperature flue gas, diesel oil or biomass fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520264444.6U CN204583847U (en) | 2015-04-27 | 2015-04-27 | Two-part auger indirect thermal desorption apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520264444.6U CN204583847U (en) | 2015-04-27 | 2015-04-27 | Two-part auger indirect thermal desorption apparatus |
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| CN204583847U true CN204583847U (en) | 2015-08-26 |
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| CN201520264444.6U Withdrawn - After Issue CN204583847U (en) | 2015-04-27 | 2015-04-27 | Two-part auger indirect thermal desorption apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785515A (en) * | 2015-04-27 | 2015-07-22 | 沈逍江 | Two-section auger indirect thermal desorption device |
| CN107685072A (en) * | 2017-09-26 | 2018-02-13 | 上海格林曼环境技术有限公司 | A kind of method of concentrated combustion formula original position thermal desorption reparation for contaminated site |
| CN107685073A (en) * | 2017-09-26 | 2018-02-13 | 上海格林曼环境技术有限公司 | A kind of concentrated combustion formula original position thermal desorption prosthetic device for contaminated site |
| 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 |
| CN110227707A (en) * | 2019-05-30 | 2019-09-13 | 南京工业大学 | A kind of two-stage combined type automatically cleaning spiral organic polluted soil thermal desorption device |
-
2015
- 2015-04-27 CN CN201520264444.6U patent/CN204583847U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785515A (en) * | 2015-04-27 | 2015-07-22 | 沈逍江 | Two-section auger indirect thermal desorption device |
| WO2016173448A1 (en) * | 2015-04-27 | 2016-11-03 | 沈逍江 | Two-section auger indirect thermal desorption device |
| US9718105B2 (en) | 2015-04-27 | 2017-08-01 | Xiaojiang Shen | Indirect thermal desorption device with two-section screw conveyors |
| CN107685072A (en) * | 2017-09-26 | 2018-02-13 | 上海格林曼环境技术有限公司 | A kind of method of concentrated combustion formula original position thermal desorption reparation for contaminated site |
| CN107685073A (en) * | 2017-09-26 | 2018-02-13 | 上海格林曼环境技术有限公司 | A kind of concentrated combustion formula original position thermal desorption prosthetic device for contaminated site |
| CN107685073B (en) * | 2017-09-26 | 2024-05-14 | 上海格林曼环境技术有限公司 | Centralized combustion type in-situ thermal desorption repairing device for polluted site |
| 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 |
| CN110227707A (en) * | 2019-05-30 | 2019-09-13 | 南京工业大学 | A kind of two-stage combined type automatically cleaning spiral organic polluted soil thermal desorption device |
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Granted publication date: 20150826 Effective date of abandoning: 20171013 |
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| AV01 | Patent right actively abandoned |