CN207668161U - Organic material contaminated soil four roller continuous rotation thermal desorption processing systems of movable type - Google Patents

Organic material contaminated soil four roller continuous rotation thermal desorption processing systems of movable type Download PDF

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Publication number
CN207668161U
CN207668161U CN201721241644.5U CN201721241644U CN207668161U CN 207668161 U CN207668161 U CN 207668161U CN 201721241644 U CN201721241644 U CN 201721241644U CN 207668161 U CN207668161 U CN 207668161U
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Prior art keywords
soil
input terminal
roller
thermal desorption
setting
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CN201721241644.5U
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王宏伟
黄虎成
陈永峰
谭丽
何冲
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AEROSPACE ENVIRONMENTAL ENGINEERING Co Ltd
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AEROSPACE ENVIRONMENTAL ENGINEERING Co Ltd
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Abstract

The utility model is related to a kind of mobile four roller continuous rotation thermal desorption processing systems of organic material contaminated soil, the processing system includes soil feed system, heating system, rotation thermal desorption system, dedusting demister system, activated carbon adsorption system, exhaust treatment system and control system.This system can be with continuous feed, and contaminated soil treating capacity is big, automatically controls, it is come into full contact in rotation thermal desorption system using the mode that directly heats, high-temperature steam and contaminated soil, thermal desorption ultrahigh in efficiency, tail gas is handled using suction type, secondary pollution is not will produce, environmental protection is conducive to.

Description

Organic material contaminated soil four roller continuous rotation thermal desorption processing systems of movable type
Technical field
The utility model belongs to technical field of soil remediation, and especially a kind of mobile four rollers of organic material contaminated soil connect Continuous rotation thermal desorption processing system.
Background technology
With the development that the adjustment of the industrial structure and Organic Waste Water Treatment work, large quantities of steel plant, the contour dirt in chemical plant Dye enterprise especially organic pollution is produced and will gradually be shut down or be moved using enterprise, and a large amount of high pollution risk soil have been left Earth.The harm of soil pollution essentially consists in some organic matters after it polluted soil, can pollute the air and water on periphery in turn, And some organic matters or heavy metal contaminants generate harmful effect then by food chain to the health of surrounding population.Urbanization into The quickening of journey promotes original land function transformation, and a large amount of industrial lands are changed to residential land, however dirty existing for these places Dye problem affects the development and reuse in soil.The environmental pollution accident of contaminating enterprises' resettlement initiation and human injury's event are complete State various regions happen occasionally, and have become one of the principal element of land development dispute, and contaminated soil control is extremely urgent.
Thermal desorption technology is one of effective technology of repairing polluted soil.Though there are some thermal desorption processes in China and set at present It is standby, but have shortcoming:
The over-the-counter Processing tecchnics and device (ZL200410056888.7) of volatility and semi-volatile organic matter contaminated soil A kind of over-the-counter Processing tecchnics and device of volatility and semi-volatile organic matter contaminated soil are disclosed, but the patent can not be continuous Charging, and it is unable to in-situ processing contaminated soil;
Direct pyrolysis device (CN101712042A) discloses a kind of direct thermal desorption device of contaminated soil, but tail gas is adopted With burning disposal, there is the risk for generating dioxin;
A kind of roller-type reverse thermal desorption system for soil polluted by organic matters (CN102029287A) discloses a kind of organic matter Contaminated soil drum-type reverse thermal desorption system, but hot-air is mixed with contaminated soil and is not enough, and energy expenditure is big, thermal desorption Efficiency is not high enough.
Through technical comparison, there is the difference of essence with above-mentioned patent publication us in the utility model patent application.
Utility model content
The purpose of the utility model is to overcome in place of the deficiencies in the prior art, provide a kind of organic material contaminated soil movement Four roller continuous rotation thermal desorption processing system of formula, which can be with continuous feed, and contaminated soil treating capacity is big, automatically controls, It is come into full contact in rotation thermal desorption system using the mode that directly heats, high-temperature steam and contaminated soil, thermal desorption ultrahigh in efficiency, Tail gas is handled using suction type, not will produce secondary pollution, is conducive to environmental protection.
The purpose of this utility model is achieved through the following technical solutions:
A kind of mobile four roller continuous rotation thermal desorption processing systems of organic material contaminated soil, the processing system include Soil feed system, heating system, rotation thermal desorption system, dedusting demister system, activated carbon adsorption system, exhaust treatment system And control system, the soil feed system, heating system are connected setting with rotation thermal desorption system respectively, the soil Feed system can input organic material contaminated soil to rotation thermal desorption system, and the heating system can be to rotation thermal desorption system System input steam and hot wind, the rotation thermal desorption system can add the organic material contaminated soil of its inside using steam Heat, makes the organic pollution contained by organic material contaminated soil heat volatilization, which can utilize hot wind to waving Soil is dried processing after hair, and the rotation thermal desorption system is connected setting with the input terminal of dedusting demister system, described The output end of dedusting demister system is connected setting with the input terminal of activated carbon adsorption system, the activated carbon adsorption system it is defeated Outlet is connected setting with the input terminal of exhaust treatment system, the soil feed system, heating system, rotation thermal desorption system System, dedusting demister system, activated carbon adsorption system, exhaust treatment system are respectively connected to the control system setting, the control System can control soil feed system, heating system, rotation thermal desorption system, dedusting demister system, activated carbon adsorption system, The action of tail gas discharge system.
Moreover, the soil feed system, which includes soil collection system, soil, crushes and screens system and soil transport system, The input terminal that the output end of the soil collection system crushes and screens system with soil is connected setting, which, which crushes and screens, is The output end of system is connected setting with the input terminal of soil transport system;
The heating system includes fuel system, air preheating system and vapour system, the air preheating system, steam The input terminal of system is connected with the output end of fuel system setting respectively, and the fuel system can be air preheating system Fuel is provided with vapour system;
The rotation thermal desorption system includes four rollers, which is the first roller, second tin roller, third roller Input terminal with the 4th roller, the second tin roller includes soil input terminal and steam input terminal, the input of the third roller End includes purification soil input terminal and hot wind input terminal, and the output end of the 4th roller includes exhaust gas discharge end and soil up to standard Discharge port, the input terminal of first roller are connected setting with the output end of soil feed system, the soil feed system Input terminal can input organic material contaminated soil, and the output end of first roller is connected with the soil input terminal of second tin roller Setting, the output end of the vapour system are connected setting with the steam input terminal of second tin roller, the output of the second tin roller Hold the setting that is connected with the purification soil input terminal of third roller, the heat of the output end and third roller of the air preheating system Wind input terminal is connected setting, and the output end of the third roller is connected setting with the input terminal of the 4th roller, the 4th roller Exhaust gas discharge end is connected setting with the input terminal of dedusting demister system, and soil up to standard can be discharged in the soil discharge port up to standard Earth;
The dedusting demister system includes air-introduced machine, dust pelletizing system and demister system, the input terminal of the air-introduced machine and rotation The exhaust gas discharge end for turning thermal desorption system is connected setting, and the output end of the air-introduced machine is connected with the input terminal of dust pelletizing system to be set It sets, the output end of the dust pelletizing system is connected setting with the input terminal of demister system;
The input terminal of the activated carbon adsorption system is connected setting with the output end of demister system;
The exhaust treatment system includes tail gas monitoring system and tail gas discharge system, the input of the tail gas monitoring system End is connected setting with the output end of activated carbon adsorption system, the output end of tail gas monitoring system and tail gas discharge system it is defeated Enter end to be connected setting, tail gas up to standard can be discharged in the output end of the tail gas discharge system.
It is made of electric motor of shaker, sieve and pulverizer moreover, the soil crushes and screens system, the discharging of the pulverizer Mouth is set to the top of sieve, which is connected setting with electric motor of shaker.
Moreover, the air preheating system includes the be connected air compressor and air preheater of setting.
Moreover, the dust pelletizing system is cyclone dust collectors.
Moreover, the demister system is tubular demister.
Moreover, the system also includes mobile Load System, the soil feed system, heating system, rotation thermal desorption System, dedusting demister system, activated carbon adsorption system, exhaust treatment system and control system may be contained within mobile Load System On, which can drive soil feed system, heating system, rotation thermal desorption system, dedusting demister system, work Property charcoal adsorption system, tail gas discharge system and control system movement.
Moreover, the mobile Load System is mobile load wagon.
The advantages of the utility model obtains and good effect are:
1, present treatment system includes soil feed system, heating system, rotation thermal desorption system, dedusting demister system, work Property charcoal adsorption system, tail gas discharge system and control system obtain hot-air and high-temperature steam by heating system when in use, Rotation thermal desorption system is respectively enterd, organic material contaminated soil enters rotation thermal desorption system via soil feed system, rotation Thermal desorption system heats the organic pollution contained by organic material contaminated soil, keeps its volatilization, the soil after purge drying direct It is discharged into cleaning area backfill, organic gas enters activated carbon adsorption system after being handled by dedusting demister system and adsorbs, inhales Attached tail gas through exhaust treatment system processing, it is up to standard after be discharged, present treatment system can be with continuous feed, contaminated soil treating capacity Greatly, it automatically controls, is come into full contact in rotation thermal desorption system using the mode that directly heats, high-temperature steam and contaminated soil, heat Ultrahigh in efficiency is desorbed, tail gas is handled using suction type, not will produce secondary pollution, is conducive to environmental protection.
2, when in use, fuel system provides fuel to present treatment system, is generated by air preheating system and vapour system Hot-air and high-temperature steam respectively enter the third roller and second tin roller of rotation thermal desorption system, organic material contaminated soil warp The first roller for entering rotation thermal desorption system by soil transport system enters second tin roller and and high-temperature steam after being uniformly distributed It is mixed, the organic pollution contained by it is heated, makes its volatilization, subsequently into third roller, is dried by hot wind, only Change the soil after drying and enter the 4th roller, cleaning area backfill, You Jiqi are directly discharged to by soil discharge port up to standard Body enters the absorption of activated carbon adsorption system through air-introduced machine by dedusting demister system, and the tail gas after absorption is after monitoring, row up to standard Go out.
3, this system is provided with mobile Load System so that soil feed system, heating system, rotation thermal desorption system, Dedusting demister system, activated carbon adsorption system, the movement of tail gas discharge system and control system are more convenient, can move processing Soil makes Tthe utility model system use more convenient, facility is brought to user without transporting soil.
Description of the drawings
Fig. 1 is the structure connection diagram of Tthe utility model system;
Wherein, 1 is soil collection system;2 crush and screen system for soil;3 be soil transport system;4 be fuel system; 5 be air preheating system;6 be thermal desorption cyclone system;7 be air-introduced machine;8 be cyclone dust collectors;9 be tubular demister;10 For activated carbon adsorption system;11 monitor system for tail gas;12 be tail gas discharge system;13 systems in order to control;14 be vapour system; 15 be mobile Load System;A is soil feed system;B is heating system;C is cyclone thermal desorption system;D is dedusting demisting System;E is activated carbon adsorption system;F is exhaust treatment system;
Fig. 2 is the structure connection diagram that thermal desorption system is rotated in Fig. 1;
Wherein, 16 be second tin roller, and 17 be the 4th roller, and 18 be the first roller, and 19 be third roller;
Fig. 3 is the object construction connection diagram of Tthe utility model system.
Specific implementation mode
The utility model is described in further detail by taking attached drawing embodiment as an example below, and following embodiment is descriptive , it is not restrictive, protection scope of this utility model cannot be limited by this.
Structure, connection relation and the method not being described in detail in the utility model patent can be understood as in the art Common knowledge.
A kind of mobile four roller continuous rotation thermal desorption processing systems of organic material contaminated soil, as shown in figures 1 and 3, The processing system includes soil feed system A, heating system B, rotation thermal desorption system C, dedusting demister system D, activated carbon Adsorption system E, exhaust treatment system F and control system 13, the soil feed system, heating system are de- with rotation heat respectively Attached system is connected setting, and the soil feed system can input organic material contaminated soil to rotation thermal desorption system, described Heating system can utilize steam to it to rotation thermal desorption system input steam and hot wind, the rotation thermal desorption system Internal organic material contaminated soil is heated, and the organic pollution contained by organic material contaminated soil is made to heat volatilization, the rotation Thermal desorption system can utilize hot wind that processing, the rotation thermal desorption system and dedusting demisting system is dried to soil after volatilization The input terminal of system is connected setting, and the output end of the dedusting demister system is connected with the input terminal of activated carbon adsorption system to be set It sets, the output end of the activated carbon adsorption system is connected setting with the input terminal of exhaust treatment system, soil charging system System, heating system, rotation thermal desorption system, dedusting demister system, activated carbon adsorption system, exhaust treatment system respectively with control System processed is connected setting, which can control soil feed system, heating system, rotation thermal desorption system, dedusting The action of demister system, activated carbon adsorption system, tail gas discharge system.
Present treatment system includes soil feed system, heating system, rotation thermal desorption system, dedusting demister system, activity Charcoal adsorption system, tail gas discharge system and control system obtain hot-air and high-temperature steam by heating system when in use, point Thermal desorption system Jin Ru not be rotated, organic material contaminated soil enters rotation thermal desorption system, rotation heat via soil feed system Desorption system heats the organic pollution contained by organic material contaminated soil, its volatilization, the soil after purge drying is made directly to arrange It is put into cleaning area backfill, organic gas enters activated carbon adsorption system after being handled by dedusting demister system and adsorbs, absorption Tail gas afterwards through exhaust treatment system processing, it is up to standard after be discharged, present treatment system can be with continuous feed, contaminated soil treating capacity Greatly, it automatically controls, is come into full contact in rotation thermal desorption system using the mode that directly heats, high-temperature steam and contaminated soil, heat Ultrahigh in efficiency is desorbed, tail gas is handled using suction type, not will produce secondary pollution, is conducive to environmental protection, at low cost.
In the present embodiment, the soil feed system includes that soil collection system 1, soil crush and screen system 2 and soil Earth transport system 3, the input terminal that the output end of the soil collection system crushes and screens system with soil are connected setting, the soil Setting that earth crushes and screens the output end of system and the input terminal of soil transport system is connected;
The heating system includes fuel system 4, air preheating system 5 and vapour system 14, the air preheating system, The input terminal of vapour system is connected with the output end of fuel system setting respectively, and the fuel system can be air preheat System and vapour system provide fuel;
As shown in Fig. 2, the rotation thermal desorption system includes four rollers, which is the first roller 18, second The input terminal of roller 16, third roller 19 and the 4th roller 17, the second tin roller includes soil input terminal and steam input End, the input terminal of the third roller includes purification soil input terminal and hot wind input terminal, the output end packet of the 4th roller Exhaust gas discharge end and soil discharge port up to standard are included, the input terminal of first roller is connected with the output end of soil feed system Setting, the input terminal of the soil feed system can input organic material contaminated soil, the output end and second of first roller The soil input terminal of roller is connected setting, and the output end of the vapour system is connected with the steam input terminal of second tin roller to be set It sets, the output end of the second tin roller is connected setting with the purification soil input terminal of third roller, the air preheating system Output end be connected with the hot wind input terminal of third roller setting, the input terminal of the output end of the third roller and the 4th roller Be connected setting, and the exhaust gas discharge end of the 4th roller is connected setting with the input terminal of dedusting demister system, the soil up to standard Soil up to standard can be discharged in discharge port;
The dedusting demister system includes air-introduced machine 7, dust pelletizing system 8 and demister system 9, the input terminal of the air-introduced machine with The exhaust gas discharge end of rotation thermal desorption system is connected setting, and the output end of the air-introduced machine is connected with the input terminal of dust pelletizing system Setting, the output end of the dust pelletizing system are connected setting with the input terminal of demister system;
The input terminal of the activated carbon adsorption system is connected setting with the output end of demister system;
The exhaust treatment system includes tail gas monitoring system 11 and tail gas discharge system 12, and the tail gas monitors system Input terminal is connected setting with the output end of activated carbon adsorption system, which monitors the output end and tail gas discharge system of system Input terminal be connected setting, tail gas up to standard can be discharged in the output end of the tail gas discharge system.
When in use, fuel system provides fuel to present treatment system, and heat is generated by air preheating system and vapour system Air and high-temperature steam, respectively enter rotation thermal desorption system third roller and second tin roller, organic material contaminated soil via Soil transport system enter rotation thermal desorption system the first roller, after being uniformly distributed enter second tin roller and with high-temperature steam into Organic pollution contained by it is heated, makes its volatilization, subsequently into third roller, be dried by hot wind, purified by row mixing Soil after drying enters the 4th roller, and cleaning area backfill, organic gas are directly discharged to by soil discharge port up to standard The absorption of activated carbon adsorption system is entered by dedusting demister system through air-introduced machine, the tail gas after absorption is after monitoring, discharge up to standard.
In the present embodiment, the soil crushes and screens system and is made of (in figure not electric motor of shaker 20, sieve and pulverizer Show), the discharge port of the pulverizer is set to the top of sieve, which is connected setting with electric motor of shaker;
The air preheating system includes the be connected air compressor and air preheater (not shown) of setting;
The dust pelletizing system is cyclone dust collectors, and the demister system is tubular demister.
In the present embodiment, the system also includes mobile Load System 15, the soil feed system, heating system, Rotation thermal desorption system, dedusting demister system, activated carbon adsorption system, exhaust treatment system and control system may be contained within moving On Load System, which can drive soil feed system, heating system, rotation thermal desorption system, dedusting to remove Mist system, activated carbon adsorption system, tail gas discharge system and control system movement.
This system is provided with mobile Load System so that soil feed system, rotation thermal desorption system, removes heating system Dirt demister system, activated carbon adsorption system, the movement of tail gas discharge system and control system are more convenient, can move processing soil Earth makes Tthe utility model system use more convenient, facility is brought to user without transporting soil.
In the present embodiment, the mobile Load System is mobile load wagon.
One kind of the mobile four roller continuous rotation thermal desorption processing systems of the utility model organic material contaminated soil is specific Operation principle is:
Fuel in fuel system is delivered to air preheating system and vapour system, generates hot wind and high-temperature steam, high temperature Steam enters second tin roller, and hot wind enters third roller, and contaminated soil via sieve, shakes after the collection of soil collection system It makes motor and crushes screening, into the first roller, second tin roller, high-temperature steam and contaminated soil particle are entered after being uniformly distributed Mixing is come into full contact in second tin roller, contaminated soil is heated, wherein organic pollution is enable to evaporate, and is purified Soil afterwards enters third roller, processing is dried by hot wind, the soil after drying enters the 4th roller, is gone out by soil up to standard Material mouth is discharged, soil notch caused by filling up soil collection system, and organic pollutant discharges under air-introduced machine effect from exhaust gas End discharge excludes wherein dust by cyclone dust collectors, vapor is discharged using tubular demister, the tail gas after demisting into Enter after monitoring system monitoring polluted gas content by tail gas after activated carbon adsorption system is adsorbed, qualified discharge.

Claims (8)

1. a kind of mobile four roller continuous rotation thermal desorption processing systems of organic material contaminated soil, it is characterised in that:The place Reason system includes soil feed system, heating system, rotation thermal desorption system, dedusting demister system, activated carbon adsorption system, tail Gas processing system and control system, the soil feed system, heating system are connected with rotation thermal desorption system respectively to be set It sets, the soil feed system can input organic material contaminated soil to rotation thermal desorption system, and the heating system can be to Thermal desorption system input steam and hot wind are rotated, the rotation thermal desorption system can utilize steam dirty to the organic matter of its inside Dye soil is heated, and so that the organic pollution contained by organic material contaminated soil is heated volatilization, which can Processing is dried to soil after volatilization using hot wind, the rotation thermal desorption system is connected with the input terminal of dedusting demister system Connect setting, the output end of the dedusting demister system is connected setting with the input terminal of activated carbon adsorption system, the activated carbon The output end of adsorption system is connected setting with the input terminal of exhaust treatment system, the soil feed system, heating system, rotation Turn thermal desorption system, dedusting demister system, activated carbon adsorption system, exhaust treatment system to be respectively connected to the control system and set It sets, which can control soil feed system, heating system, rotation thermal desorption system, dedusting demister system, activated carbon The action of adsorption system, tail gas discharge system.
2. the mobile four roller continuous rotation thermal desorption processing systems of organic material contaminated soil according to claim 1, It is characterized in that:The soil feed system includes that soil collection system, soil crush and screen system and soil transport system, described The input terminal that the output end of soil collection system crushes and screens system with soil is connected setting, which crushes and screens system Output end is connected setting with the input terminal of soil transport system;
The heating system includes fuel system, air preheating system and vapour system, the air preheating system, vapour system Input terminal be connected respectively with the output end of fuel system setting, the fuel system can be air preheating system and steaming Vapour system provides fuel;
The rotation thermal desorption system includes four rollers, which is the first roller, second tin roller, third roller and the The input terminal of four rollers, the second tin roller includes soil input terminal and steam input terminal, the input terminal packet of the third roller Purification soil input terminal and hot wind input terminal are included, the output end of the 4th roller includes exhaust gas discharge end and soil up to standard discharging Mouthful, the input terminal of first roller is connected setting with the output end of soil feed system, the input of the soil feed system End can input organic material contaminated soil, and the output end of first roller is connected with the soil input terminal of second tin roller to be set It sets, the output end of the vapour system is connected setting with the steam input terminal of second tin roller, the output end of the second tin roller Be connected setting with the purification soil input terminal of third roller, the hot wind of the output end and third roller of the air preheating system Input terminal is connected setting, and the output end of the third roller is connected setting with the input terminal of the 4th roller, the 4th roller it is useless Gas discharge end is connected setting with the input terminal of dedusting demister system, and soil up to standard can be discharged in the soil discharge port up to standard;
The dedusting demister system includes air-introduced machine, dust pelletizing system and demister system, input terminal and the rotation heat of the air-introduced machine The exhaust gas discharge end of desorption system is connected setting, and the output end of the air-introduced machine is connected setting with the input terminal of dust pelletizing system, The output end of the dust pelletizing system is connected setting with the input terminal of demister system;
The input terminal of the activated carbon adsorption system is connected setting with the output end of demister system;
The exhaust treatment system includes tail gas monitoring system and tail gas discharge system, the input terminal of the tail gas monitoring system with The output end of activated carbon adsorption system is connected setting, which monitors the input terminal of the output end and tail gas discharge system of system Be connected setting, and tail gas up to standard can be discharged in the output end of the tail gas discharge system.
3. the mobile four roller continuous rotation thermal desorption processing systems of organic material contaminated soil according to claim 2, It is characterized in that:The soil crushes and screens system and is made of electric motor of shaker, sieve and pulverizer, and the discharge port of the pulverizer is set It is placed in the top of sieve, which is connected setting with electric motor of shaker.
4. the mobile four roller continuous rotation thermal desorption processing systems of organic material contaminated soil according to claim 2, It is characterized in that:The air preheating system includes the be connected air compressor and air preheater of setting.
5. the mobile four roller continuous rotation thermal desorption processing systems of organic material contaminated soil according to claim 2, It is characterized in that:The dust pelletizing system is cyclone dust collectors.
6. the mobile four roller continuous rotation thermal desorption processing systems of organic material contaminated soil according to claim 2, It is characterized in that:The demister system is tubular demister.
7. at the mobile four roller continuous rotation thermal desorptions of organic material contaminated soil according to any one of claims 1 to 6 Reason system, it is characterised in that:The system also includes mobile Load System, the soil feed system, heating system, rotation heat Desorption system, dedusting demister system, activated carbon adsorption system, exhaust treatment system and control system may be contained within mobile load On system, the movement Load System can drive soil feed system, heating system, rotation thermal desorption system, dedusting demister system, Activated carbon adsorption system, tail gas discharge system and control system movement.
8. the mobile four roller continuous rotation thermal desorption processing systems of organic material contaminated soil according to claim 7, It is characterized in that:The mobile Load System is mobile load wagon.
CN201721241644.5U 2017-09-26 2017-09-26 Organic material contaminated soil four roller continuous rotation thermal desorption processing systems of movable type Active CN207668161U (en)

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CN201721241644.5U CN207668161U (en) 2017-09-26 2017-09-26 Organic material contaminated soil four roller continuous rotation thermal desorption processing systems of movable type

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110153166A (en) * 2019-05-24 2019-08-23 丁乙飞 A kind of steam heating pressurization soil repair system and its restorative procedure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110153166A (en) * 2019-05-24 2019-08-23 丁乙飞 A kind of steam heating pressurization soil repair system and its restorative procedure
CN110153166B (en) * 2019-05-24 2021-09-21 江苏雨松环境修复研究中心有限公司 Steam heating and pressurizing soil remediation system and remediation method thereof

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