CN204093828U - A kind of persistent organism contaminated soil indirect thermal desorption disposal plant - Google Patents
A kind of persistent organism contaminated soil indirect thermal desorption disposal plant Download PDFInfo
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- CN204093828U CN204093828U CN201420535244.5U CN201420535244U CN204093828U CN 204093828 U CN204093828 U CN 204093828U CN 201420535244 U CN201420535244 U CN 201420535244U CN 204093828 U CN204093828 U CN 204093828U
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Abstract
The utility model discloses a kind of persistent organism contaminated soil indirect thermal desorption disposal plant.This device comprises contaminated soil pretreatment system, feed system, thermal desorption system, discharge system, exhaust gas purification system, automatic control system; Contaminated soil pretreatment system is connected with the charging aperture of thermal desorption system by feed system, and the solids exit mouth of thermal desorption system is connected with discharge system, and the gas discharge mouth of thermal desorption system is connected with the import of exhaust gas purification system.The utility model adopts indirect, effectively avoids desorption process to produce the risk of the harmful toxic matters such as bioxin; Adopt double-layered cylinder rotary kiln type body of heater, body of heater axis and ground are 0 degree of angle, reduce operation and maintenance cost and maintenance cost.
Description
Technical field
The utility model belongs to contaminated soil materialization disposal technology field, is specifically related to a kind of persistent organism contaminated soil indirect thermal desorption disposal plant.
Background technology
Persistence organic pollutant (POPs) refer to by various surrounding medium (air, water, organism etc.) can long-distance migration long-term existence in environment, there is extended residual, bioconcentration, half volatile and high toxicity, human health and environment are had to the organic pollution materials of the natural of serious harm or Prof. Du Yucang, mainly include machine chlorine pesticide, Polychlorinated biphenyls and bioxin etc.In recent years, along with Industry Structure adjustment and the quickening of urbanization process, and the signing of " Convention of Stockholm about persistence organic pollutant (POPs) " and fulfiling, large quantities of script is positioned at the agricultural chemicals of city main city zone, chemical industry, coking, the contour contaminating enterprises of iron and steel move one after another or close, and increasing persistent organism contaminated site is come out.Persistent Organic Pollutants in Soil is not only direct causes significant damage to soil animals and plants, microorganism and the ecosystem, also diffuse in surrounding air or water body environment by effects such as leaching, dust carry, and enter human body by approach such as soil absorption, skin contact, steam suction, food chains, and final at people's cylinder accumulation, significant damage is produced to health.At present, contaminated soil constitutes safely serious threat to the land used of China, and the environment difficulties caused by contaminated soil and hazard to person accident happen occasionally and report, the control of contaminated soil become China inevitably, the major event of the relation people's livelihood.
Thermal desorption recovery technique is one of important soil restoring technology, and it has very ripe in persistent organism contaminated soil remediation abroad and applies widely.In recent years, domesticly also there are some reports about thermal desorption disposing technique and method, but all there is certain deficiency.
The patent No. a kind of soil thermal desorption restoration processing system that has been the Invention Announce of CN 101530858 A, this system comprises feed system, heat source system and control system, characterized by further comprising thermal desorption system 4 and Re Ti converter composition, exhaust gas processing device is made up of deduster and alkali liquor absorption tower.This invention thermal desorption temperature is lower, at 50 ~ 300 DEG C, can only dispose the organic pollution that boiling point is lower, can not effectively dispose high boiling persistence organic pollutant.Meanwhile, its disposal efficiency is low, generally only has about 70 ~ 80 ﹪ to benzene homologues; The exhaust gas processing device that this invention is made up of deduster and alkali liquor absorption tower can not realize the effective process to micro-content organism in tail gas; The design that this invention heat carries 5 ~ 10 degree of angles between converter axis and ground adds the expense and difficulty that system cloud gray model safeguards; This invention does not provide clear and definite equipment operational parameter control.
The patent No. a kind of thermal desorption method of Polluted Soil that has been the Invention Announce of CN 102218446 A, Polluted Soil is carried out thermal desorption by this invention at 400 ~ 650 DEG C, desorption produces flue gas and carry out incineration disposal at 750 ~ 1200 DEG C, and this invention does not provide complete thermal desorption apparatus to dispose for realizing above-mentioned thermal desorption.
The method of the patent No. direct thermal desorption of a kind of continuous print persistency organic contaminant soil that has been the Invention Announce of CN 102357521 A, the patent No. be the Invention Announce of CN 102513346 A a kind of organic polluted soil thermal desorption method based on cement industry and device, above-mentioned 2 kinds of patents adopt burning mode to dispose desorption tail gas, namely increase energy consumption and cost of disposal, have again the risk producing bioxin and pollute.
The patent No. a kind of roller-type reverse thermal desorption system for soil polluted by organic matters that has been the Invention Announce of CN 102029287 B, this invention is by direct heat form, directly act on soil by thermal source and realize being separated of organic pollution and soil particle, can be there is imperfect combustion phenomenon in disposal process, have the environmental risk producing the harmful toxic matters such as bioxin.
Above-mentioned all patent inventions disclosed all do not carry out movable type, modular Integrated design to thermal desorption device composition system, can not implement device fast assembling-disassembling, convenient movement functional requirement.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, a kind of persistent organism contaminated soil indirect thermal desorption disposal plant is provided, realize while pollutant is effectively separated with soil, adopt be separated-the multisection type process for purifying of spray-dry-remove carries out disposal rear discharge up to standard to desorption tail gas.
The utility model device comprises contaminated soil pretreatment system, feed system, thermal desorption system, discharge system, exhaust gas purification system, automatic control system; One end of described thermal desorption system is provided with charging aperture, and the other end is provided with solids exit mouth, gas discharge mouth; Contaminated soil pretreatment system is connected with the charging aperture of thermal desorption system by feed system, the solids exit mouth of thermal desorption system is connected with discharge system by pipeline, the gas discharge mouth of thermal desorption system is connected with the import of exhaust gas purification system by pipeline, automatic control system adopts joint control form, feed system, thermal desorption system, exhaust gas purification system, discharge system are controlled, integrated soil inlet amount, desorption temperature, heating gradient, desorption body of heater rotating speed, fuel oil air quantity, desorption atmosphere, drop temperature to be controlled;
Described contaminated soil pretreatment system comprises screening machine, disintegrating machine, such that contaminated soil is air-dry, screening, humidity is less than 20 ﹪ after broken pretreatment, particle diameter is less than 20mm;
Described feed system comprises charging feed belt, feed hopper; One end of charging feed belt is connected with the discharging opening of contaminated soil pretreatment system, and the other end is connected with the import of feed hopper, and the outlet of feed hopper is connected with the charging aperture of thermal desorption system;
Described charging feed belt is equipped with speed change gear, and belt running speed is controlled by speed change gear, and LOAD CELLS, weighing transmitting module are housed bottom belt feeder tugboat, controls inlet amount by LOAD CELLS, weighing transmitting module;
In described feed hopper, upper and lower end is respectively provided with light point sensor, level of filler material in feed hopper is scanned, when material level is too high, automatic stopping feed belt machine running, when material level is too low, automatic startup feed belt machine recovers running, and the prompting site operation personnel that gives the alarm recovers or stops toward charging feed belt upper feeding, star-like air-lock device is provided with in feed hopper, this star-like air-lock device is blade wheel structure, directly gather floor data by PLC control system, then output signal controls the rotating speed of impeller, and then control the soil amount entering thermal desorption system;
Described thermal desorption system is double-layered cylinder rotary kiln type body of heater, and the axis of this body of heater is arranged horizontal by 0 degree of angle, guarantees to keep stable in equipment running process, reduces running equipment attrition and loss, reduces operation and maintenance cost and maintenance cost; Kiln body concentric co-axial inside and outside described double-layered cylinder rotary kiln type body of heater, thermal desorption disposal is carried out in the gap of contaminated soil between inside and outside kiln body, and the gap thickness between inside and outside kiln body is 20 ~ 35cm; The thermal source of double-layered cylinder rotary kiln type body of heater acts on the inwall of inner kiln tube and the outer wall of outer kiln body respectively, strengthens heating effect, realizes contaminated soil and effectively dispose fast; The outer kiln body inwall of double-layered cylinder rotary kiln type body of heater establishes multiple flight, and flight height is 10 ~ 30cm, realizes the advance operation of soil in rotary kiln type body of heater by flight effect; Described double-layered cylinder rotary kiln type body of heater material is 310S stainless steel, and the solderability that 310S stainless steel is nonmagnetic, good under having good non-oxidizability, solid solution condition, most high-temperature resistant 1200 DEG C, can use continuously below 1150 DEG C;
Described double-layered cylinder rotary kiln type body of heater thermal source is oil, gas dual-purpose type, diesel oil or natural gas can be selected to be thermal source according to site condition;
Described discharge system comprises first and goes out earthenware, discharging opening dust pelletizing system, discharging feed belt; First one end going out earthenware is connected with the solids exit mouth of thermal desorption system by pipeline, and first other end going out earthenware has discharging opening, is provided with discharging feed belt below this discharging opening, and discharging opening is located in the suspended hood of discharging opening dust pelletizing system;
Described discharging opening dust pelletizing system is adhesion type vibrating dust remover, comprises suspended hood, suction opeing; Suction opeing place arranges screen cloth and multiple nozzle; By fan action, the discharging opening dust going out earthenware by first causes suction opeing, and nozzle starts water spray simultaneously, and make airborne dust stick on screen cloth, realize effective dedusting, after dedusting, steam passes through smoke stack emission;
Described exhaust gas purification system comprises cyclone dust collectors, second and goes out earthenware, spray column, packed tower, settling tank, mixing pit, filter press, depositing reservoir, cyclone dust collectors are provided with air inlet, gas vent, solid outlet, the air inlet of cyclone dust collectors is connected with the gas discharge mouth of thermal desorption system by pipeline, the solid outlet of cyclone dust collectors is connected with second one end going out earthenware by pipeline, second other end going out earthenware has discharging opening, this discharging opening is located in the suspended hood of discharging opening dust pelletizing system, the below of this discharging opening is provided with discharging feed belt simultaneously, the gas vent of cyclone dust collectors is connected with the gas feed of spray column by pipeline, the liquid outlet of spray column is connected with the import of settling tank by pipeline, the gas vent of spray column is connected with the import of packed tower by pipeline, the solid outlet of settling tank is connected with the import of mixing pit by pipeline, the outlet of mixing pit is connected with the import of filter press by pipeline, the liquid outlet of filter press is connected with the import of depositing reservoir by pipeline, the liquid produced after filter press press filtration introduces depositing reservoir through liquid outlet by pipeline, and in depositing reservoir, after clarification, liquid exports by pipeline for spraying the soil on discharging feed belt through depositing reservoir, the liquid outlet of settling tank is connected with the first import of heat exchanger by pipeline, second import of heat exchanger is connected with condensing tower by pipeline, first outlet of heat exchanger is connected with the liquid-inlet of spray column by pipeline, heat exchanger the second outlet goes out earthenware by pipeline and first, the second chuck going out earthenware is connected, go out earthenware and second for first and go out earthenware chuck and lead to recirculated water,
Described first, second goes out earthenware and adopts circular screw type chuck form, in worm propeller periphery, chuck is set, this chuck leads to recirculated water, realize the preliminary cooling of soil after desorption, cooling procedure avoids soil to contact with the direct of water, effectively solves the problem that wet soil easily causes worm propeller to block;
Compared with prior art, the utility model has following beneficial effect:
1. the utility model adopts the form of indirect, namely thermal desorption system adopts double-layered cylinder rotary kiln type body of heater, Source is in rotary kiln outer wall, contaminated soil does not directly contact with heat source, unburnt phenomenon can not be there is, effectively avoid desorption process to produce the risk of the harmful toxic matters such as bioxin.Meanwhile, desorption exhaust gas component is comparatively simple, and its cost of disposal and the secondary pollution risk to environment significantly reduce.
2. the indirect thermal desorption that the utility model adopts double-layered cylinder rotary kiln type body of heater to realize contaminated soil is disposed, and body of heater axis and ground are that 0 degree of angle is designed.Compare the design with other device 5 ~ 10 degree of oblique angles existing, the design at the utility model 0 degree of angle is guaranteed to keep stable in equipment running process, reduces running equipment attrition and loss, reduces operation and maintenance cost and maintenance cost.
3. the indirect thermal desorption that the utility model adopts double-layered cylinder rotary kiln type body of heater to realize contaminated soil is disposed, inside and outside kiln body concentric co-axial, the gap of contaminated soil between two kiln bodies is disposed, thermal source acts on the inwall of inner kiln tube and the outer wall of outer kiln body simultaneously, strengthen heating effect, realize contaminated soil and effectively dispose fast.
4. the utility model adopt circular screw type chuck form first, second go out earthenware, avoid soil to contact with the direct of water in cooling procedure of being unearthed, effectively the solution wet soil problem that easily causes worm propeller to block.
5. the utility model adopts the non-burning mode of the multisection type integrated purifying technique of cyclone dust removal-secondary spray-drying-charcoal absorption/sliding arc degraded to dispose thermal desorption tail gas, and disposal process can not produce the harmful toxic matters such as bioxin.
6. the utility model automatic control system and feed system, thermal desorption system, and discharge system connects, and adopt the design of joint control form, realize the more effective monitor and forecast of desorption process.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model device;
Wherein, 1 is contaminated soil pretreatment system, and 2 is charging feed belt, 3 is feed hopper, and 4 is thermal desorption system, and 5 is first go out earthenware, 6 is discharging opening dust pelletizing system, and 7 is discharging feed belt, and 8 is cyclone dust collectors, 9 is spray column, and 10 is packed tower, and 11 is settling tank, 12 is condensing tower, and 13 is depositing reservoir, and 14 is filter press, 15 is second go out earthenware, and 16 is heat exchanger, and 17 is mixing pit.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model device comprises contaminated soil pretreatment system 1, feed system, thermal desorption system 4, discharge system, exhaust gas purification system, automatic control system; One end of described thermal desorption system 4 is provided with charging aperture, and the other end is provided with solids exit mouth, gas discharge mouth; Contaminated soil pretreatment system 1 is connected by the charging aperture of feed system with thermal desorption system 4, the solids exit mouth of thermal desorption system 4 is connected with discharge system by pipeline, the gas discharge mouth of thermal desorption system 4 is connected with the import of exhaust gas purification system by pipeline, automatic control system adopts joint control form, feed system, thermal desorption system 4, discharge system are controlled, integrated soil inlet amount, desorption temperature, heating gradient, desorption body of heater rotating speed, fuel oil air quantity, desorption atmosphere, drop temperature to be controlled;
Described contaminated soil pretreatment system 1 comprises screening machine, disintegrating machine, such that contaminated soil is air-dry, screening, humidity is less than 20 ﹪ after broken pretreatment, particle diameter is less than 20mm;
Described feed system comprises charging feed belt 2, feed hopper 3; One end of charging feed belt 2 is connected with the discharging opening of contaminated soil pretreatment system 1, and the other end is connected with the import of feed hopper 3, and the outlet of feed hopper 3 is connected with the charging aperture of thermal desorption system 4;
Described charging feed belt 2 is equipped with speed change gear, and belt running speed is controlled by speed change gear, and LOAD CELLS, weighing transmitting module are housed bottom belt feeder tugboat, controls inlet amount by LOAD CELLS, weighing transmitting module;
On in described feed hopper 3, lower end is respectively provided with light point sensor, level of filler material in feed hopper 3 is scanned, when material level is too high, automatic stopping feed belt machine running, when material level is too low, automatic startup feed belt machine recovers running, and the prompting site operation personnel that gives the alarm recovers or stops toward charging feed belt 2 upper feeding, star-like air-lock device is provided with in feed hopper 3, this star-like air-lock device is blade wheel structure, directly floor data is gathered by PLC control system, output signal controls the rotating speed of impeller again, control the soil amount entering thermal desorption system thus,
Described thermal desorption system 4 is double-layered cylinder rotary kiln type body of heater, and the axis of this body of heater is arranged horizontal by 0 degree of angle, guarantees to keep stable in equipment running process, reduces running equipment attrition and loss, reduces operation and maintenance cost and maintenance cost; Kiln body concentric co-axial inside and outside described double-layered cylinder rotary kiln type body of heater, thermal desorption disposal is carried out in the gap of contaminated soil between inside and outside kiln body, and the gap height between inside and outside kiln body is 20 ~ 35cm; The thermal source of double-layered cylinder rotary kiln type body of heater acts on the inwall of inner kiln tube and the outer wall of outer kiln body respectively, strengthens heating effect, realizes contaminated soil and effectively dispose fast; The outer kiln body inwall of double-layered cylinder rotary kiln type body of heater establishes multiple flight, and flight height is 10 ~ 30cm, realizes the advance operation of soil in rotary kiln type body of heater by flight effect; Described double-layered cylinder rotary kiln type body of heater material is 310S stainless steel, and the solderability that 310S stainless steel is nonmagnetic, good under having good non-oxidizability, solid solution condition, most high-temperature resistant 1200 DEG C, can use continuously below 1150 DEG C;
The thermal source of described thermal desorption system 4 is oil, gas dual-purpose type, diesel oil or natural gas can be selected to be thermal source according to site condition;
Described discharge system comprises first and goes out earthenware 5, discharging opening dust pelletizing system 6, discharging feed belt 7; First one end going out earthenware 5 is connected with the solids exit mouth of thermal desorption system 4 by pipeline, and first other end going out earthenware 5 has discharging opening, is provided with discharging feed belt 7 below this discharging opening, and discharging opening is located in the suspended hood of discharging opening dust pelletizing system 6;
Described discharging opening dust pelletizing system 6 is adhesion type vibrating dust remover, comprises suspended hood, suction opeing; Suction opeing place arranges screen cloth and multiple nozzle; By fan action, dust is caused suction opeing, nozzle starts water spray simultaneously, and make airborne dust stick on screen cloth, realize effective dedusting, after dedusting, steam passes through smoke stack emission;
Described exhaust gas purification system comprises cyclone dust collectors 8, second and goes out earthenware 15, spray column 9, packed tower 10, settling tank 11, mixing pit 17, filter press 14, depositing reservoir 13, cyclone dust collectors 8 are provided with air inlet, gas vent, solid outlet, the air inlet of cyclone dust collectors 8 is connected with the gas discharge mouth of thermal desorption system 4 by pipeline, the solid outlet of cyclone dust collectors 8 is connected with second one end going out earthenware 15 by pipeline, second other end going out earthenware 15 has discharging opening, this discharging opening is located in the suspended hood of discharging opening dust pelletizing system 6, the below of this discharging opening is provided with discharging feed belt 7 simultaneously, the gas vent of cyclone dust collectors 8 is connected by the gas feed of pipeline with spray column 9, the liquid outlet of spray column 9 is connected by the import of pipeline with settling tank 11, the gas vent of spray column 9 is connected by the import of pipeline with packed tower 10, the solid outlet of settling tank 11 is connected by the import of pipeline with mixing pit 17, the outlet of mixing pit 17 is connected with filter press 14 by pipeline, the liquid outlet of filter press 14 is connected by the import of pipeline with depositing reservoir 13, the liquid produced after filter press 14 press filtration introduces depositing reservoir 13 through liquid outlet by pipeline, and in depositing reservoir 13, after clarification, liquid exports by pipeline for spraying the soil on discharging feed belt 7 through depositing reservoir 13, the liquid outlet of settling tank 11 is connected with the first import of heat exchanger 16 by pipeline, second import of heat exchanger 16 is connected with condensing tower 12 by pipeline, first outlet of heat exchanger 16 is connected by the liquid-inlet of pipeline with spray column 9, and the second outlet of heat exchanger is used for first by pipeline and goes out earthenware 5 and second and go out earthenware 15 chuck and lead to recirculated water,
Described first goes out earthenware 5, second goes out earthenware 15 and adopts circular screw type chuck form, in worm propeller periphery, chuck is set, this chuck leads to recirculated water, realize the preliminary cooling of soil after desorption, cooling procedure avoids soil to contact with the direct of water, effectively solves the problem that wet soil easily causes worm propeller to block.
The course of work: utilize said apparatus organic material contaminated soil indirect thermal desorption method of disposal, comprise the following steps:
Step (1). contaminated soil join contaminated soil pretreatment system through air-dry, broken, screening pretreatment after, obtain humidity and be less than 20 ﹪, particle diameter is less than the contaminated soil of 20mm;
Step (2). step (1) pretreated contaminated soil is delivered to thermal desorption system by feed system, desorption 10 ~ 40min at 400 ~ 600 DEG C, obtains desorption soil and desorption waste gas;
Step (3). desorption soil is by discharge system discharging;
Step (4). desorption waste gas adopts the multisection type integrated purifying technique of cyclone dust removal-secondary spray-drying-charcoal absorption/sliding arc degraded by exhaust gas purification system, specifically:
First desorption waste gas isolate the airborne dust in desorption waste gas by cyclone dust collectors, and the high-temperature tail gas after cyclone dust removal process, by organic pollution in spray column re-liquefied Tail Gas, obtains the waste water after the tail gas after spraying cooling and spray; Tail gas after spraying cooling is successively through spray filtering, freeze drying, charcoal absorption/sliding arc degraded, and after removing organic pollution, obtaining can the gas of qualified discharge; Waste water after spray, by after settling tank precipitation, mixing pit stir process, obtains the compression filter cake of high concentration through filter press press filtration.
Actual motion is disposed and is shown: desorption temperature is 400 ~ 600 DEG C, and desorption time is under the desorption conditions of 10 ~ 40min, and the removal efficiency of device to PCBs in Soil reaches 99 more than ﹪.After desorption, tail gas does not detect the harmful toxic matters such as bioxin, after process for purifying is disposed, reach discharging standards.
Above-described embodiment is not that the utility model is not limited only to above-described embodiment for restriction of the present utility model, as long as meet the utility model requirement, all belongs to protection domain of the present utility model.
Claims (8)
1. a persistent organism contaminated soil indirect thermal desorption disposal plant, is characterized in that this device comprises contaminated soil pretreatment system, feed system, thermal desorption system, discharge system, exhaust gas purification system, automatic control system; Contaminated soil pretreatment system is connected with the charging aperture of thermal desorption system by feed system, the solids exit mouth of thermal desorption system is connected with discharge system by pipeline, the gas discharge mouth of thermal desorption system is connected with the import of exhaust gas purification system by pipeline, automatic control system adopts joint control form, controls feed system, thermal desorption system, exhaust gas purification system, discharge system;
Described feed system comprises charging feed belt, feed hopper; One end of charging feed belt is connected with the discharging opening of contaminated soil pretreatment system, and the other end is connected with the import of feed hopper, and the outlet of feed hopper is connected with the charging aperture of thermal desorption system;
Described discharge system comprises first and goes out earthenware, discharging opening dust pelletizing system, discharging feed belt; First one end going out earthenware is connected with the solids exit mouth of thermal desorption system by pipeline, and first other end going out earthenware has discharging opening, is provided with discharging feed belt below this discharging opening, and discharging opening is located in the suspended hood of discharging opening dust pelletizing system;
Described discharging opening dust pelletizing system is adhesion type vibrating dust remover, comprises suspended hood, suction opeing; Suction opeing place arranges screen cloth and multiple nozzle;
Described exhaust gas purification system comprises cyclone dust collectors, second and goes out earthenware, spray column, packed tower, settling tank, mixing pit, filter press, depositing reservoir, cyclone dust collectors are provided with air inlet, gas vent, solid outlet, the air inlet of cyclone dust collectors is connected with the gas discharge mouth of thermal desorption system by pipeline, the solid outlet of cyclone dust collectors is connected with second one end going out earthenware by pipeline, second other end going out earthenware has discharging opening, this discharging opening is located in the suspended hood of discharging opening dust pelletizing system, the below of this discharging opening is provided with discharging feed belt simultaneously, the gas vent of cyclone dust collectors is connected with the gas feed of spray column by pipeline, the liquid outlet of spray column is connected with the import of settling tank by pipeline, the gas vent of spray column is connected with the import of packed tower by pipeline, the solid outlet of settling tank is connected with the import of mixing pit by pipeline, the outlet of mixing pit is connected with the import of filter press by pipeline, the liquid outlet of filter press is connected with the import of depositing reservoir by pipeline, the liquid produced after filter press press filtration introduces depositing reservoir through liquid outlet by pipeline, and in depositing reservoir, after clarification, liquid exports by pipeline for spraying the soil on discharging feed belt through depositing reservoir, the liquid outlet of settling tank is connected with the first import of heat exchanger by pipeline, second import of heat exchanger is connected with condensing tower by pipeline, first outlet of heat exchanger is connected with the liquid-inlet of spray column by pipeline, heat exchanger the second outlet goes out earthenware by pipeline and first, the second chuck going out earthenware is connected, go out earthenware and second for first and go out earthenware chuck and lead to recirculated water.
2. a kind of persistent organism contaminated soil indirect thermal desorption disposal plant as claimed in claim 1, it is characterized in that described thermal desorption system is double-layered cylinder rotary kiln type body of heater, the inside and outside kiln body concentric co-axial of this body of heater, thermal source acts on the inwall of inner kiln tube and the outer wall of outer kiln body respectively.
3. a kind of persistent organism contaminated soil indirect thermal desorption disposal plant as claimed in claim 1, is characterized in that the axis of described double-layered cylinder rotary kiln type body of heater is arranged horizontal by 0 degree of angle.
4. a kind of persistent organism contaminated soil indirect thermal desorption disposal plant as claimed in claim 2, it is characterized in that the outer kiln body inwall of double-layered cylinder rotary kiln type body of heater establishes multiple flight, flight height is 10 ~ 30cm.
5. a kind of persistent organism contaminated soil indirect thermal desorption disposal plant as claimed in claim 2, is characterized in that described double-layered cylinder rotary kiln type body of heater is 310S stainless steel.
6. a kind of persistent organism contaminated soil indirect thermal desorption disposal plant as claimed in claim 2, is characterized in that described double-layered cylinder rotary kiln type body of heater thermal source is for oil, gas dual-purpose type.
7. a kind of persistent organism contaminated soil indirect thermal desorption disposal plant as claimed in claim 1, it is characterized in that being provided with star-like air-lock device in described feed hopper, this star-like air-lock device is blade wheel structure.
8. a kind of persistent organism contaminated soil indirect thermal desorption disposal plant as claimed in claim 1, is characterized in that first goes out earthenware, second and go out earthenware and all adopt circular screw type chuck form, arranges chuck in worm propeller periphery.
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| 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 |
| CN104607455A (en) * | 2015-02-06 | 2015-05-13 | 中国科学院武汉岩土力学研究所 | Multi-stage thermal desorption remediation system for organic polluted soil |
| CN104759464A (en) * | 2015-03-18 | 2015-07-08 | 江苏盖亚环境工程有限公司 | Polluted soil thermal-desorption repairing system |
| CN104759463A (en) * | 2015-01-21 | 2015-07-08 | 南京索益盟环保科技有限公司 | Organic-polluted soil restoration method |
| CN105057326A (en) * | 2015-07-21 | 2015-11-18 | 上海化工研究院 | Device for remedying soil contaminated by volatile organic compounds |
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| 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 |
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| CN108772413A (en) * | 2018-07-14 | 2018-11-09 | 中节能大地（杭州）环境修复有限公司 | A kind of organic material contaminated soil batch heating disposal plant and method of disposal |
| CN110180881A (en) * | 2019-06-14 | 2019-08-30 | 南京中船绿洲环保有限公司 | It is a kind of to cooperate with indirect thermal desorption soil repair system and its restorative procedure |
| TWI702994B (en) * | 2017-09-05 | 2020-09-01 | 中國石油化學工業開發股份有限公司 | A recycling method and equipment for soil contaminated with mercury and dioxin |
| 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 |
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- 2014-09-17 CN CN201420535244.5U patent/CN204093828U/en not_active Withdrawn - After Issue
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| 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 |
| CN104759463A (en) * | 2015-01-21 | 2015-07-08 | 南京索益盟环保科技有限公司 | Organic-polluted soil restoration method |
| CN104607455A (en) * | 2015-02-06 | 2015-05-13 | 中国科学院武汉岩土力学研究所 | Multi-stage thermal desorption remediation system for organic polluted soil |
| CN104607455B (en) * | 2015-02-06 | 2016-11-16 | 中国科学院武汉岩土力学研究所 | A kind of organic polluted soil Multi-stage heat desorption repair system |
| CN104759464A (en) * | 2015-03-18 | 2015-07-08 | 江苏盖亚环境工程有限公司 | Polluted soil thermal-desorption repairing system |
| CN106140801A (en) * | 2015-04-03 | 2016-11-23 | 中石化洛阳工程有限公司 | A kind of restorative procedure of organic material contaminated soil |
| CN106140801B (en) * | 2015-04-03 | 2019-07-12 | 中石化洛阳工程有限公司 | A kind of restorative procedure of organic material contaminated soil |
| CN105057326A (en) * | 2015-07-21 | 2015-11-18 | 上海化工研究院 | Device for remedying soil contaminated by volatile organic compounds |
| CN105057326B (en) * | 2015-07-21 | 2018-02-09 | 上海化工研究院有限公司 | It is a kind of to be used for by the device of VOCs-contaminated Soils reparation |
| CN106040724A (en) * | 2016-07-27 | 2016-10-26 | 沈阳环境科学研究院 | Solid waste thermal desorption module type emergency treatment device |
| 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 |
| CN106623395A (en) * | 2017-01-09 | 2017-05-10 | 中城环境技术（天津）有限公司 | Energy-saving organic polluted soil thermal desorption repairing complete equipment |
| TWI702994B (en) * | 2017-09-05 | 2020-09-01 | 中國石油化學工業開發股份有限公司 | A recycling method and equipment for soil contaminated with mercury and dioxin |
| CN108772413A (en) * | 2018-07-14 | 2018-11-09 | 中节能大地（杭州）环境修复有限公司 | A kind of organic material contaminated soil batch heating disposal plant and method of disposal |
| CN110180881A (en) * | 2019-06-14 | 2019-08-30 | 南京中船绿洲环保有限公司 | It is a kind of to cooperate with indirect thermal desorption soil repair system and its restorative procedure |
| 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 |
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