CN110918630A - Remediation system and method for ectopic thermal desorption of organic contaminated soil - Google Patents

Remediation system and method for ectopic thermal desorption of organic contaminated soil Download PDF

Info

Publication number
CN110918630A
CN110918630A CN201911359102.1A CN201911359102A CN110918630A CN 110918630 A CN110918630 A CN 110918630A CN 201911359102 A CN201911359102 A CN 201911359102A CN 110918630 A CN110918630 A CN 110918630A
Authority
CN
China
Prior art keywords
soil
organic
rotary kiln
thermal desorption
organic matter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911359102.1A
Other languages
Chinese (zh)
Inventor
刘喜
肖劲光
张荷
张义
刘德华
肖武
张海静
贺妮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PowerChina Zhongnan Engineering Corp Ltd
PowerChina Environmental Protection Technology Co Ltd
Original Assignee
PowerChina Zhongnan Engineering Corp Ltd
PowerChina Environmental Protection Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PowerChina Zhongnan Engineering Corp Ltd, PowerChina Environmental Protection Technology Co Ltd filed Critical PowerChina Zhongnan Engineering Corp Ltd
Priority to CN201911359102.1A priority Critical patent/CN110918630A/en
Publication of CN110918630A publication Critical patent/CN110918630A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/06Reclamation of contaminated soil thermally
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N7/00Analysing materials by measuring the pressure or volume of a gas or vapour
    • G01N7/14Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference
    • G01N7/16Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference by heating the material

Abstract

The invention discloses a system for repairing ectopic thermal desorption of organic contaminated soil, which comprises a feeding device, a rotary kiln, a desorption gas flow/organic matter concentration tester, a rotary kiln heating controller and a discharging device, wherein the feeding device and the discharging device are respectively arranged at the feeding end and the discharging end of the rotary kiln, and the desorption gas flow/organic matter concentration tester is arranged at a gas outlet of the rotary kiln. According to the invention, the original soil organic matter concentration and the concentration and gas flow of organic waste gas discharged by the rotary kiln are monitored on line, the desorption efficiency is calculated, and whether the soil in the heating treatment process reaches the standard is judged, so that the heating temperature of the rotary kiln is automatically controlled, and the organic polluted soil treated by the rotary kiln heating system reaches the remediation target.

Description

Remediation system and method for ectopic thermal desorption of organic contaminated soil
Technical Field
The invention relates to a system and a method for restoring ectopic thermal desorption of organic contaminated soil, and belongs to the field of soil treatment.
Background
With the adjustment of industrial structures in China in recent years and the continuous increase of the requirements of people on living environment, most chemical enterprises in urban areas are shut down or moved, and the serious problem of soil organic matter pollution of the original chemical enterprise sites is exposed. According to the national pollution condition survey bulletin published in 2014 in China, the point standard exceeding rate of organic pollutants such as hexachloro cyclohexane, dichlorodiphenyl trichloroethane and polycyclic aromatic hydrocarbon 3 is respectively 0.5%, 1.9% and 1.4%, and the organic pollution problem of the industrial waste soil and the organic pollution of cultivated land and forest land in different degrees are not only solved. How to eliminate the pollution of the organic pollution sites, and how to develop and utilize the pollution sites again while ensuring the safety of surrounding residents and ecology become the problem to be solved urgently.
The existing remediation method for organic matter contaminated soil mainly comprises a physical remediation technology, a chemical remediation technology, a biological remediation technology, a composite remediation technology and the like. The thermal desorption technology is used as a common technology in repairing polluted sites at home and abroad, and has the advantages of wide application range, strong operation efficiency, capability of realizing high-efficiency heat transfer and mass transfer and the like, however, for the current heterotopic thermal desorption treatment technology, because the pollution condition of the soil to be treated has certain difference, the soil treated by thermal desorption firstly enters a to-be-detected area to be placed, the situation which does not reach the standard is found in the sampling process, the thermal desorption is carried out again after the furnace is returned, and the situation which can reach the standard after the secondary furnace return can not be ensured, so the working efficiency is greatly reduced, and the energy consumption of treatment is also increased. Therefore, a repairing method for on-line monitoring whether the contaminated soil is repaired to reach the standard in the thermal desorption process and adjusting the thermal desorption temperature to reduce the energy consumption is urgently needed to be researched.
Disclosure of Invention
Aiming at the defects or improvement requirements in the prior art, the invention provides a system and a method for restoring ectopic thermal desorption of organic contaminated soil, which can monitor whether restoration of the organic contaminated soil reaches the standard or not in time, improve restoration efficiency and reduce energy consumption of a thermal desorption treatment process of the organic contaminated soil.
The technical scheme adopted by the invention is as follows:
the utility model provides a repair system of organic contaminated soil dystopy thermal desorption, includes feed arrangement, rotary kiln, desorption gas flow/organic matter concentration measurement appearance, rotary kiln heating control ware, discharging device, feed arrangement discharging device locates respectively the feed end and the discharge end of rotary kiln, desorption gas flow/organic matter concentration measurement appearance install in the gas outlet department of rotary kiln.
The feeding device conveys soil to the rotary kiln for heating, the desorption gas flow/organic matter concentration determinator determines gas generated by heating in the rotary kiln, judges whether the difference value of the original content of the organic matter in the soil and the determined numerical value reaches the standard, discharges the soil through the discharging device if the difference value reaches the standard, and controls the rotary kiln heating controller to continue heating if the difference value does not reach the standard.
Alternatively, the desorption gas flow/organic matter concentration measuring instrument may employ a detection device described in the prior art CN106198422A, CN205317753U, and the like.
In order to realize intelligent control, the repair system for ex-situ thermal desorption of the organic contaminated soil further comprises a thermal desorption intelligent control system, wherein the thermal desorption intelligent control system is electrically connected with the desorption gas flow/organic matter concentration determinator and the rotary kiln heating controller respectively;
the thermal desorption intelligent control system is used for analyzing and processing data obtained by the desorption gas flow/organic matter concentration measuring instrument and organic matter content before soil treatment, and controlling the thermal desorption temperature and time of the rotary kiln heating controller according to an analysis and processing result.
Preferably, in order to measure the original content of organic matters in soil quickly, the repair system for heterotopic thermal desorption of organic contaminated soil further comprises a sampling device and a soil organic matter content quick tester, wherein the sampling device is installed near the feeding device, samples are taken from the feeding device and sent to the soil organic matter content quick tester, and the soil organic matter content quick tester is electrically connected with the thermal desorption intelligent control system.
Optionally, the soil organic matter content rapid measuring instrument may adopt a detection device described in the prior art CN201710460055.4, CN201710553218.3, CN201910423429.4, etc.
Preferably, in order to realize environment-friendly production, the repair system for the heterotopic thermal desorption of the organic contaminated soil further comprises a tail gas treatment system, and the tail gas treatment system is communicated with the desorption gas flow/organic matter concentration determinator.
The invention also relates to a method for restoring the ectopic thermal desorption of the organic contaminated soil, which is applied to the restoring system of the ectopic thermal desorption of the organic contaminated soil and comprises the following steps:
setting a soil organic matter content restoration target value;
recording the original content of organic matters in the soil;
measuring the concentration of organic pollutants volatilized by the soil in the rotary kiln due to heating and the gas flow;
calculating the total removal amount of organic matters in the organic contaminated soil, and making a difference value with the original content of the organic matters in the soil to obtain the residual organic matters in the soil in the heated rotary kiln, if the residual organic matters are less than or equal to a soil organic matter content restoration target value, discharging the soil, and if the residual organic matters are greater than the soil organic matter content restoration target value, entering the next step;
and controlling a heating controller of the rotary kiln, and adjusting the secondary heating temperature and the desorption time of a heating system of the rotary kiln.
Preferably, the method further comprises the step of rapidly measuring the soil organic matter content of the sample soil before recording the original soil organic matter content.
Preferably, the heating controller of the rotary kiln is controlled according to the original content of the organic matters in the soil: when the original organic matter content of the soil is more than 1%, an indirect thermal desorption rotary kiln heating system is adopted, and when the original organic matter content of the soil is less than or equal to 1%, a direct thermal desorption rotary kiln heating system or an indirect thermal desorption rotary kiln heating system can be adopted.
Preferably, the method for remedying the ectopic thermal desorption of the organic contaminated soil further comprises the step of carrying out tail gas treatment on the organic contaminated gas.
The invention also comprises the following:
the organic contaminated soil is sandy soil or sandy soil with good permeability, the water content of the soil is 5-35%, and in order to improve the treatment efficiency of the soil, the soil needs to be broken to be less than 5cm in advance.
The treatment capacity of the polluted soil in the rotary kiln is 5-20 tons/hour, the desorption residence time is 15-45 min, and the desorption temperature is 110-600 ℃.
The invention has the following advantages:
(1) the technical problem of the desorption effect part that leads to because of the soil pollution degree is uneven among the thermal desorption process not up to standard is solved: the method comprises the steps of calculating desorption efficiency and judging whether soil in the heating process reaches the standard or not by monitoring the concentration of organic matters in original soil and the concentration and gas flow of organic waste gas discharged by a rotary kiln on line, so that the heating temperature of the rotary kiln is automatically controlled, and the organic polluted soil treated by a rotary kiln heating system reaches a remediation target;
(2) the problem of energy consumption in the thermal desorption process is solved: the thermal desorption intelligent control system directly adjusts a heating controller of the rotary kiln, adjusts the heating temperature of the rotary kiln and reduces unnecessary energy consumption;
(3) the invention is suitable for the soil polluted by volatile and semi-volatile organic compounds, has simple process flow, realizes automatic control in the whole process, greatly improves the treatment efficiency and reduces the treatment cost.
Drawings
FIG. 1 is a schematic structural diagram of a remediation system for ectopic thermal desorption of organic contaminated soil according to the present invention;
FIG. 2 is a schematic diagram of a control module of the method for remedying the ectopic thermal desorption of the organic contaminated soil according to the present invention;
wherein, 1 is feed arrangement, 2 is the rotary kiln, 3 is desorption gas flow/organic matter concentration measurement appearance, 4 is rotary kiln heating control ware, 5 is discharging device, 6 is thermal desorption intelligent control system, 7 is sampling device, 8 is soil organic matter content rapid survey appearance, 9 is tail gas processing system, 11 is mixed feeder hopper, 12 is the feeding transmission band, 51 is the soil cooler, 52 is ejection of compact transmission band.
Detailed description of the preferred embodiments
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Examples
As shown in fig. 1, a remediation system for ectopic thermal desorption of organic contaminated soil comprises a feeding device 1, a rotary kiln 2, a desorption gas flow/organic matter concentration determinator 3, a rotary kiln heating controller 4, a discharging device 5, a thermal desorption intelligent control system 6, a sampling device 7, a soil organic matter content rapid determinator 8 and a tail gas treatment system 9.
The feeding device 1 comprises a mixing feed hopper 11 and a feeding conveying belt 12, the feeding conveying belt 12 is obliquely arranged on one side of the rotary kiln 2, the mixing feed hopper 11 is arranged on the left side of the feeding conveying belt 12, and the mixing feed hopper 11 is positioned above the feeding conveying belt 12. Sampling device 7 installs in the right side of feeding transmission band 12, and is located the top of feeding transmission band 12, and sampling device 7 chooses for use the sampling arm, and soil organic matter content rapid prototyping appearance 8 installs in feeding transmission band 12 top, and the sampling arm snatchs soil from feeding transmission band 12 top and sends into and detect in soil organic matter content rapid prototyping appearance 8.
The desorption gas flow/organic matter concentration tester 3 is arranged at the gas outlet of the rotary kiln 2, and the other end of the desorption gas flow/organic matter concentration tester 3 is communicated with the tail gas treatment system 9.
The thermal desorption intelligent control system 6 is respectively and electrically connected with a soil organic matter content rapid determinator 8, a desorption gas flow/organic matter concentration determinator 3 and a rotary kiln heating controller 4. The thermal desorption intelligent control system 6 is used for analyzing and processing the data obtained by the desorption gas flow/organic matter concentration measuring instrument 3 and the organic matter content before soil processing, and controlling the thermal desorption temperature and time of the rotary kiln heating controller 4 according to the analysis and processing result.
The discharge device 5 comprises a soil cooler 51 and a discharge conveyor belt 52. Soil cooler 51 communicates with the discharge end of rotary kiln 2, and soil cooler 51 and ejection of compact transmission band 52 all incline to set up, and the other end of soil cooler 51 is located ejection of compact transmission band 52's top.
The invention provides a method for restoring ectopic thermal desorption of organic contaminated soil, which comprises the following steps:
setting a soil organic matter content restoration target value in a thermal desorption intelligent control system: the target value for restoring the content of the organic matters in the soil is input by a controller according to the restoration target.
And (3) detecting the original content of organic matters in the soil, namely, crushing the soil to be treated into sandy soil or sandy loam with the water content of less than 5cm and the water content of not more than 20% by using a crushing and screening hopper, conveying the sandy soil or sandy loam into a mixed feed hopper 11 by using a loader, conveying the polluted soil into a rotary kiln 2 by using a feeding conveying belt 12, sampling by using a sampling mechanical arm into a soil organic matter content rapid tester 8, testing the original content of the organic matters in the mixed soil, and transmitting data to a soil organic matter content analysis program ① in a thermal desorption intelligent control system 6.
The thermal desorption intelligent control system 6 controls the heating controller of the rotary kiln according to the original content of the organic matters in the soil: when the original organic matter content of the soil is more than 1%, an indirect thermal desorption rotary kiln heating system is adopted, and when the original organic matter content of the soil is less than or equal to 1%, a direct thermal desorption rotary kiln heating system or an indirect thermal desorption rotary kiln heating system is adopted.
The method comprises the steps of measuring the concentration of organic pollutants volatilized by heating of soil in a rotary kiln and the gas flow rate, adding mixed soil into the rotary kiln 2 through a feeding system, transmitting a heating instruction to a rotary kiln heating controller 4 through a heating system temperature control program ② of a thermal desorption intelligent control system 6, controlling the heating temperature and the desorption time of the rotary kiln, heating the organic polluted soil to 110-600 ℃, separating the organic pollutants from the soil, measuring the treatment capacity of the polluted soil in the rotary kiln to be 5-20 tons per hour, measuring the concentration of the organic pollutants in desorbed gas and the gas flow rate through a desorption gas flow rate/organic matter concentration measuring instrument 3 arranged at a waste gas discharge outlet, continuously measuring the concentration of the organic pollutants volatilized in the heating process of the rotary kiln 2 and the gas flow rate, and feeding back the data to a soil organic matter content analysis program ① with the thermal desorption intelligent control system 6.
The thermal desorption intelligent control system 6 automatically calculates the total removal amount of organic matters in the organic contaminated soil and makes a difference with the original content of the organic matters in the soil to obtain the residual organic matter amount of the soil in the heated rotary kiln 2. the soil organic matter content analysis program ① of the thermal desorption intelligent control system 6 compares the residual organic matter concentration value of the soil in the heated rotary kiln with the soil organic matter content restoration target value, when the soil has one or more organic matter residues greater than the set soil organic matter content restoration target value, the soil which does not reach the standard is judged to be processed and stays in the rotary kiln heating system, the soil organic matter content analysis program ① transmits an adjustment instruction to the heating system temperature control program ② to set the secondary heating temperature and the desorption time of the rotary kiln heating system 4, the heating system temperature control program ② further transmits a heating instruction to the rotary kiln heating controller 4 to increase the heating temperature of the rotary kiln 2 or prolong the desorption residence time of the rotary kiln 2, when the residual organic matter amount in the soil is less than the set soil organic matter content restoration target value, the soil in the rotary kiln 2 reaches the restoration target, the soil is discharged, the soil content analysis program ① transmits an adjustment instruction to the heating program to the heating system temperature control program ② to reduce the heating temperature of the rotary kiln 2 or reduce the.
And finally, carrying out tail gas treatment on the tail gas treatment system in the way of the polluted gas generated by heating in the rotary kiln 2.
Example 1
Crushing the soil in a chlorobenzene polluted site with the water content of 23% to be less than 5cm, and uniformly mixing.
Setting the standard value for restoring the content of the organic matters in the soil in the automatic control system as follows: 1696.48mg/kg of 1, 2-dichlorobenzene, 16.54mg/kg of 1,2, 3-trichlorobenzene, 28.29mg/kg of 1,2, 4-trichlorobenzene and 0.52mg/kg of hexachlorobenzene; the amount of soil treated per batch was set to 10 tons.
In conveying 10 tons of contaminated soil through the transmission band and getting into rotary kiln heating system, the organic matter pollution initial value through detecting soil is: 1430mg/kg of 1, 2-dichlorobenzene, 149mg/kg of 1,2, 3-trichlorobenzene, 1880mg/kg of 1,2, 4-trichlorobenzene and 6mg/kg of hexachlorobenzene.
Setting the desorption temperature of a rotary kiln heating system to 460 ℃, the desorption retention time to 40min, detecting the concentration of volatilized organic pollutants and the gas flow by an organic gas detection device, and calculating the desorption amount of the organic matters by integrating processing software in an automatic control system to obtain 795g of 1, 2-dichlorobenzene, 1379g of 1,2, 3-trichlorobenzene, 18624g of 1,2, 4-trichlorobenzene and 55.2g of hexachlorobenzene; calculating the difference value, wherein the residual quantity of all organic matters in the soil is less than a set soil organic matter content restoration standard value, the soil in the rotary kiln reaches the restoration target, and the soil in a rotary kiln heating system is discharged;
the automatic control system resets and reduces the desorption temperature of the rotary kiln heating system to 350 ℃, and the desorption retention time is set to 35 min;
the heating system of the rotary kiln enters 10 tons of soil of the next batch; the initial value of the organic pollution of the batch of soil is detected as follows: 1630mg/kg of 1, 2-dichlorobenzene, 73.9mg/kg of 1,2, 3-trichlorobenzene and 1686.7mg/kg of 1,2, 4-trichlorobenzene; hexachlorobenzene 22.3 mg/kg. After the desorption procedure is finished, carrying out integral calculation on the concentration of the volatile organic pollutants and the gas flow detected by the organic gas detection device through processing software in an automatic control system to obtain the desorption amount of the organic matters, namely 362g of 1, 2-dichlorobenzene, 594.3g of 1,2, 3-trichlorobenzene, 14376g of 1,2, 4-trichlorobenzene and 142.4g of hexachlorobenzene; after the difference value calculation, the residual quantity of the 1,2, 4-trichlorobenzene and the hexachlorobenzene is larger than the soil organic matter content restoration standard value set by the system software, the soil is not discharged, the automatic control system resets the desorption temperature of the rotary kiln heating system to 400 ℃, and the desorption retention time is prolonged by 10 min;
after the secondary desorption process is finished, the concentration of the volatile organic pollutants and the gas flow detected by the organic gas detection device are subjected to integral calculation by processing software in an automatic control system to obtain the desorption amount of the organic matters, namely 421g of 1, 2-dichlorobenzene, 77.8g of 1,2, 3-trichlorobenzene, 2543g of 1,2, 4-trichlorobenzene and 80.4g of hexachlorobenzene; calculating the difference value, wherein the residual quantity of all organic matters in the soil is less than a set soil organic matter content restoration standard value, the soil in the rotary kiln reaches the restoration target, and the soil in a rotary kiln heating system is discharged;
the automatic control system resets the desorption temperature of the rotary kiln heating system to 400 ℃, and the desorption retention time is set to 45 min.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. The utility model provides a repair system of organic contaminated soil dystopy thermal desorption which characterized in that: including feed arrangement (1), rotary kiln (2), desorption gas flow/organic matter concentration apparatus (3), rotary kiln heating control ware (4), discharging device (5), feed arrangement (1) discharging device (5) are located respectively the feed end and the discharge end of rotary kiln (2), desorption gas flow/organic matter concentration apparatus (3) install in the gas outlet department of rotary kiln (2).
2. An ex-situ thermal desorption remediation system for organic contaminated soil as claimed in claim 1 wherein: the device is characterized by further comprising a thermal desorption intelligent control system (6), wherein the thermal desorption intelligent control system (6) is respectively and electrically connected with the desorption gas flow/organic matter concentration determinator (3) and the rotary kiln heating controller (4);
the thermal desorption intelligent control system (6) is used for analyzing and processing data obtained by the desorption gas flow/organic matter concentration measuring instrument (3) and organic matter content before soil processing, and controlling the thermal desorption temperature and time of the rotary kiln heating controller (4) according to an analysis and processing result.
3. An ex-situ thermal desorption remediation system for organic contaminated soil as claimed in claim 2 wherein: still include sampling device (7), soil organic matter content rapid survey appearance (8), sampling device (7) are close to feed arrangement (1) installation, and sample on feed arrangement (1) and deliver to in soil organic matter content rapid survey appearance (8), soil organic matter content rapid survey appearance (8) with thermal desorption intelligent control system (6) electricity is connected.
4. A system for remediating ectopic thermal desorption of organically-polluted soil as claimed in any one of claims 1 to 3, wherein: the device is characterized by further comprising a tail gas treatment system (9), wherein the tail gas treatment system (9) is communicated with the desorption gas flow/organic matter concentration tester (3).
5. A method for remedying the ectopic thermal desorption of the organic contaminated soil, which is applied to the remediation system of the ectopic thermal desorption of the organic contaminated soil as set forth in any one of claims 1 to 4, is characterized by comprising the following steps:
setting a soil organic matter content restoration target value;
recording the original content of organic matters in the soil;
measuring the concentration of organic pollutants volatilized by the soil in the rotary kiln due to heating and the gas flow;
calculating the total removal amount of organic matters in the organic contaminated soil, and making a difference value with the original content of the organic matters in the soil to obtain the residual organic matters in the soil in the heated rotary kiln, if the residual organic matters are less than or equal to a soil organic matter content restoration target value, discharging the soil, and if the residual organic matters are greater than the soil organic matter content restoration target value, entering the next step;
and controlling a heating controller of the rotary kiln, and adjusting the secondary heating temperature and the desorption time of a heating system of the rotary kiln.
6. The method for remedying the ectopic thermal desorption of the organic contaminated soil according to claim 5, wherein the method comprises the following steps: and rapidly determining the content of the soil organic matters in the sample injection soil before recording the original content of the soil organic matters.
7. The method for remedying the ectopic thermal desorption of the organic contaminated soil according to claim 5, wherein the method comprises the following steps: controlling a heating controller of the rotary kiln according to the original content of the organic matters in the soil: when the original organic matter content of the soil is more than 1%, an indirect thermal desorption rotary kiln heating system is adopted, and when the original organic matter content of the soil is less than or equal to 1%, a direct thermal desorption rotary kiln heating system or an indirect thermal desorption rotary kiln heating system can be adopted.
8. The method for remedying the ectopic thermal desorption of the organically-polluted soil according to any one of claims 5 to 7, wherein the method comprises the following steps: also comprises the step of carrying out tail gas treatment on the organic pollutant gas.
CN201911359102.1A 2019-12-25 2019-12-25 Remediation system and method for ectopic thermal desorption of organic contaminated soil Pending CN110918630A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911359102.1A CN110918630A (en) 2019-12-25 2019-12-25 Remediation system and method for ectopic thermal desorption of organic contaminated soil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911359102.1A CN110918630A (en) 2019-12-25 2019-12-25 Remediation system and method for ectopic thermal desorption of organic contaminated soil

Publications (1)

Publication Number Publication Date
CN110918630A true CN110918630A (en) 2020-03-27

Family

ID=69862001

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911359102.1A Pending CN110918630A (en) 2019-12-25 2019-12-25 Remediation system and method for ectopic thermal desorption of organic contaminated soil

Country Status (1)

Country Link
CN (1) CN110918630A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111515235A (en) * 2020-04-26 2020-08-11 中国电建集团中南勘测设计研究院有限公司 Remediation system and remediation method for chemical leaching-thermal desorption of composite contaminated soil
CN112139230A (en) * 2020-09-01 2020-12-29 苏州市环科环保技术发展有限公司 Thermal desorption soil remediation method
CN112157118A (en) * 2020-09-18 2021-01-01 河北紫旭节能环保技术咨询有限公司 Soil detection and restoration device
CN113333452A (en) * 2021-06-25 2021-09-03 深圳景浩生态修复技术有限公司 Pollution treatment device for soil organic pollution remediation
CN113361109A (en) * 2021-06-09 2021-09-07 中国科学院沈阳应用生态研究所 Energy consumption balancing method for segmented thermal desorption treatment process of oil contaminated soil and application of energy consumption balancing method
CN113477698A (en) * 2020-11-27 2021-10-08 苏州精英环保有限公司 Intelligent monitoring platform of normal temperature desorption repair equipment

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1161312B1 (en) * 1998-09-28 2010-08-25 Innova Soil Technology Ltd. Soil remediation system
CN102310076A (en) * 2011-06-16 2012-01-11 北京紫光泰和通环保技术有限公司 Aerobic repairing system and repairing method of solid waste area
CN102601111A (en) * 2012-02-15 2012-07-25 王颋军 Process control and monitoring system used for in situ bioremediation of contaminated land
CN104226681A (en) * 2014-09-17 2014-12-24 杭州大地环保工程有限公司 Device and method for indirect thermal desorption disposal of persistent organic pollutant contaminated soil
CN204171075U (en) * 2014-09-30 2015-02-25 天津市联合环保工程设计有限公司 For the Microwave Pretreatment device that organic polluted soil thermal desorption is repaired
CN204747064U (en) * 2015-05-25 2015-11-11 青岛科技大学 Volatile organic compounds pollutes soil dystopy and handles integrated device
CN105032913A (en) * 2015-08-12 2015-11-11 浙江博世华环保科技有限公司 Thermal desorption device, thermal desorption repair system and thermal desorption method for contaminated soil
CN105195505A (en) * 2015-10-28 2015-12-30 深圳文科园林股份有限公司 Volatile polluted soil restoration system and method thereof
CN106216382A (en) * 2016-08-22 2016-12-14 上海守安高达土壤处理技术有限公司 A kind of energy-efficient organic polluted soil thermal desorption processing system and method
CN106363017A (en) * 2016-10-14 2017-02-01 同济大学 System and method for repairing polycyclic aromatic hydrocarbon contaminated soil
CN108480375A (en) * 2018-04-03 2018-09-04 中国环境科学研究院 Thermal desorption in situ-oxidation the repair system and restorative procedure in organic contamination place
CN108746183A (en) * 2018-03-30 2018-11-06 中冶华天南京工程技术有限公司 Heavy-metal contaminated soil in-situ intelligent repair system

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1161312B1 (en) * 1998-09-28 2010-08-25 Innova Soil Technology Ltd. Soil remediation system
CN102310076A (en) * 2011-06-16 2012-01-11 北京紫光泰和通环保技术有限公司 Aerobic repairing system and repairing method of solid waste area
CN102601111A (en) * 2012-02-15 2012-07-25 王颋军 Process control and monitoring system used for in situ bioremediation of contaminated land
CN104226681A (en) * 2014-09-17 2014-12-24 杭州大地环保工程有限公司 Device and method for indirect thermal desorption disposal of persistent organic pollutant contaminated soil
CN204171075U (en) * 2014-09-30 2015-02-25 天津市联合环保工程设计有限公司 For the Microwave Pretreatment device that organic polluted soil thermal desorption is repaired
CN204747064U (en) * 2015-05-25 2015-11-11 青岛科技大学 Volatile organic compounds pollutes soil dystopy and handles integrated device
CN105032913A (en) * 2015-08-12 2015-11-11 浙江博世华环保科技有限公司 Thermal desorption device, thermal desorption repair system and thermal desorption method for contaminated soil
CN105195505A (en) * 2015-10-28 2015-12-30 深圳文科园林股份有限公司 Volatile polluted soil restoration system and method thereof
CN106216382A (en) * 2016-08-22 2016-12-14 上海守安高达土壤处理技术有限公司 A kind of energy-efficient organic polluted soil thermal desorption processing system and method
CN106363017A (en) * 2016-10-14 2017-02-01 同济大学 System and method for repairing polycyclic aromatic hydrocarbon contaminated soil
CN108746183A (en) * 2018-03-30 2018-11-06 中冶华天南京工程技术有限公司 Heavy-metal contaminated soil in-situ intelligent repair system
CN108480375A (en) * 2018-04-03 2018-09-04 中国环境科学研究院 Thermal desorption in situ-oxidation the repair system and restorative procedure in organic contamination place

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王红旗著: "《污染土壤植物 微生物联合修复技术及应用》", 30 September 2015, 中国环境科学出版社 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111515235A (en) * 2020-04-26 2020-08-11 中国电建集团中南勘测设计研究院有限公司 Remediation system and remediation method for chemical leaching-thermal desorption of composite contaminated soil
CN112139230A (en) * 2020-09-01 2020-12-29 苏州市环科环保技术发展有限公司 Thermal desorption soil remediation method
CN112157118A (en) * 2020-09-18 2021-01-01 河北紫旭节能环保技术咨询有限公司 Soil detection and restoration device
CN113477698A (en) * 2020-11-27 2021-10-08 苏州精英环保有限公司 Intelligent monitoring platform of normal temperature desorption repair equipment
CN113477698B (en) * 2020-11-27 2022-03-29 苏州精英环保有限公司 Intelligent monitoring platform of normal temperature desorption repair equipment
CN113361109A (en) * 2021-06-09 2021-09-07 中国科学院沈阳应用生态研究所 Energy consumption balancing method for segmented thermal desorption treatment process of oil contaminated soil and application of energy consumption balancing method
CN113361109B (en) * 2021-06-09 2024-03-26 中国科学院沈阳应用生态研究所 Energy consumption balance method of oil soil subsection thermal desorption treatment process and application thereof
CN113333452A (en) * 2021-06-25 2021-09-03 深圳景浩生态修复技术有限公司 Pollution treatment device for soil organic pollution remediation
CN113333452B (en) * 2021-06-25 2022-04-08 深圳景浩生态修复技术有限公司 Pollution treatment device for soil organic pollution remediation

Similar Documents

Publication Publication Date Title
CN110918630A (en) Remediation system and method for ectopic thermal desorption of organic contaminated soil
CN111515235A (en) Remediation system and remediation method for chemical leaching-thermal desorption of composite contaminated soil
CN104496136A (en) Indirect heating and thermal desorption treatment device and method for oily solid waste
CN106391688A (en) System and method for restoring organic matter-heavy metal composite polluted soil through straw
CN111804723A (en) In-situ chemical oxidation repair monitoring and regulating system
CN108480375A (en) Thermal desorption in situ-oxidation the repair system and restorative procedure in organic contamination place
CN204310925U (en) Oil-containing solid waste indirect heating thermal desorption treatment unit
CN207521425U (en) A kind of Integral mobile soil remediation processing equipment
JP2648412B2 (en) Method and apparatus for treating mixed plastic waste
CN108555011B (en) Carbonization remediation treatment system for volatile organic compound-heavy metal composite contaminated soil
CN113457346B (en) Modularized high-efficiency energy-saving environment-friendly thermal desorption equipment
CN205382078U (en) Shale pneumatic drill bits and fatlute oil foot environmental protection treatment facility
CN111457407A (en) Ectopic modularized soil remediation device
CN111678139A (en) Harmless treatment method and system for household garbage
CN207115094U (en) A kind of pyrolysis oven automatic control system
CN214639074U (en) Intelligent integrated efficient environment-friendly thermal desorption equipment
CN102698985A (en) Automatic dust removing method for sample preparation and dust removing system thereof
CN111701998A (en) Ectopic thermal desorption remediation method for contaminated soil
CN215089738U (en) A divide sieve device for dystopy is restoreed and is polluted soil
CN205443009U (en) Intelligence sludge treatment equipment
CN111530915A (en) Heavy metal soil remediation method
CN205933580U (en) Schizolysis system that contains oil sludge
CN112264423B (en) Temperature prediction method for aerobic ventilation type refuse landfill
CN110375316A (en) A kind of soil difficulty volatile organic compounds restorative procedure
CN110513694A (en) A kind of processing method of waste painting slag

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200327

RJ01 Rejection of invention patent application after publication