CN203830400U - Thermal-desorption restoring equipment for soil - Google Patents
Thermal-desorption restoring equipment for soil Download PDFInfo
- Publication number
- CN203830400U CN203830400U CN201420062666.5U CN201420062666U CN203830400U CN 203830400 U CN203830400 U CN 203830400U CN 201420062666 U CN201420062666 U CN 201420062666U CN 203830400 U CN203830400 U CN 203830400U
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- heating furnace
- thermal desorption
- soil
- mixed
- heating
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- 239000002689 soil Substances 0.000 title claims abstract description 34
- 238000003795 desorption Methods 0.000 title claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 238000012545 processing Methods 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003546 flue gas Substances 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract 1
- 230000009347 mechanical transmission Effects 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- 239000003344 environmental pollutant Substances 0.000 description 7
- 231100000719 pollutant Toxicity 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000005067 remediation Methods 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000003900 soil pollution Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
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- 238000001704 evaporation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
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- 238000011835 investigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
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- 125000001997 phenyl group Chemical class [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses thermal-desorption restoring equipment for soil. The thermal-desorption restoring equipment comprises a heat-source generation device and a thermal-desorption device, wherein the thermal-desorption device comprises a heating furnace and a hopper, wherein a surrounding type heating pipe is arranged in the furnace wall of the heating furnace; the two ends of the heating pipe are connected with the heat-source generation device by flue-gas pipelines to form a loop; the upper part of the heating furnace is provided with a feeding port, and the lower part of the heating furnace is provided with a slag discharging port; the feeding port is connected with the hopper by a conveying belt. The thermal-desorption restoring equipment disclosed by the utility model has the advantages that mechanical transmission is reduced, and the possibility of mechanical faults is reduced; at the same time, due to mixing and overturning equipment arranged in a furnace body, the heating for polluted soil is uniform and fast and the restoring efficiency is improved.
Description
Technical field
The utility model relates to a kind of prosthetic appliance of contaminated soil, specifically a kind of Soil Thermal desorption prosthetic appliance.
Background technology
In recent years, along with Urbanization in China is accelerated, the contamination type industrial enterprise that is positioned at city or periphery concentrates resettlement, has left the contaminated site of a large amount of heavily contaminateds.Due to policies and regulations disappearance, some contaminated sites are just directly exploited without any reparation, have brought harm to ecological environment and residents ' health.The safe utilization of each piece contaminated site all carries out strict inquiry in the urgent need to the situation such as type, degree to contaminated sites, takes different measure to administer reparation on site investigation basis, to bring into play as early as possible the value in soil.
The soil pollution that organic chemistry industry has produced has caused very serious economic loss, has caused pollution and the underproduction of crops.Soil pollution also causes tellurian quality to decline continuously.The suburb, most cities of China has all been subject to soil pollution in various degree, organic contamination content severe overweights such as benzene class such as the vegetables in many areas, grain, fruit or approach critical value.
Organic soil pollutes except affecting food hygiene, has also obviously affected the otherwise quality of crops, and some places sewage irrigation makes the taste of vegetables occur unpleasant peculiar smell.The organic soil contamination hazard mankind's health, it is constantly accumulation in plant, and is enriched in human body and animal body by food chain effect, has endangered human and livestock health, causes cancer and other malignant diseases.
Aspect soil site remediation, more domestic colleges and universities of China and scientific research department have recognized country following national demand, policy guidance, have predicted the huge space of Mirae Corp.'s development, so done related work in the field such as technology and management.Especially for the contaminated soil remediation management based on risk, be directly connected to formulation and the industry development guarantee of policy, law, specification.The higher management of the contaminated soil site remediation based on risk is the site remediation management taking " reducing risks " as target, relate to the overall process of environmental management, that is: place risk assessment, repair the determining of target, screening, the optimization of recovery scenario and the termination of repair action of recovery technique.
Thermal desorption recovery technique is a novel non-combustion technology, mainly for be volatilization and the pollutant of half volatile.More than thermal desorption technology is heated to pollutant boiling point with direct or indirect mode of heating by polluted soil, the pollutant saturated vapor pressure that makes to be adsorbed in soil increases, evaporate into after gaseous state enters gas phase and overflow, then gaseous contaminant is processed according to modes such as selection condensation, absorption or burning such as its character, concentration.The processing unit of thermal desorption equipment mainly comprises two: first unit is heating unit, is used for pending pollutant to heat, and separates after making organic pollution wherein evaporate into gaseous state; Another unit is vaporous pollutant processing unit, and the gas that contains pollutant needs to reach statutory standards after the processing of this unit, then just can be disposed to atmosphere.The processing mode of gaseous contaminant has multiple, as condensation, absorption or burning etc., can select according to organic concentration and economy.
Existing thermal desorption technology generally adopts rotary furnace as firing equipment.At rotary furnace, in running, the fault rate of equipment is higher, operation maintenance relative complex, and the investment cost of permanent plant is also relatively large.
Utility model content
The purpose of this utility model is to provide a kind of Soil Thermal desorption prosthetic appliance, solves current thermal desorption technology and adopts the large problem of the complicated investment of rotary furnace fault rate high maintenance.
The utility model solves the technical scheme that its technical problem adopts: a kind of Soil Thermal desorption prosthetic appliance, it is characterized in that, comprise heat source generator and thermal desorption device, described thermal desorption device comprises heating furnace and hopper, is provided with circulating type heating tube in heating furnace furnace wall, and the two ends of heating tube are connected with heat source generator by flue, form loop, the top of heating furnace is provided with feeding mouth, and bottom is provided with slag-drip opening, between feeding mouth and hopper, is connected by conveyer belt.
Also comprise exhaust gas processing device, described exhaust gas processing device is communicated with the top of heating furnace by pipeline.
On pipeline between described exhaust gas processing device and heating furnace, be also provided with air-introduced machine.
Described exhaust gas processing device comprises cyclone dust collectors and activated carbon adsorption bed.
In described heating furnace, be vertically provided with mixed turning-up devices, the two ends of mixed turning-up devices are fixed on heating furnace by bearing, and drive by motor.
Described mixed turning-up devices comprises mixed shovel and the axle of turning over, and is radially fixed with multiple intervals mixed shovel that turns over uniformly on axle.
The described mixed shovel that turns over is arranged in the shape of a spiral.
The beneficial effects of the utility model are: reduced machine driving, reduced the possibility of mechanical breakdown.The inner mixed equipment of turning over arranging of body of heater is heated evenly fast contaminated soil simultaneously, has improved remediation efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is inside heating furnace structural representation.
In figure: 1, hopper 2, conveyer belt 3, feeding mouth 4, heating furnace 5, air-introduced machine 6, exhaust gas processing device 7, flue 8, heat source generator 9, heating tube 10, mixed turning-up devices, 11 slag-drip openings, the 12 mixed shovels that turn over.
Detailed description of the invention
As Fig. 1, shown in Fig. 2, a kind of Soil Thermal desorption prosthetic appliance, comprises heat source generator and thermal desorption device, and described thermal desorption device comprises heating furnace 4 and hopper 1, heating furnace is provided with circulating type heating tube 9 in 4 furnace walls, the two ends of heating tube 9 are connected with heat source generator 8 by flue 7, form loop, and the top of heating furnace 4 is provided with feeding mouth 3, bottom is provided with slag-drip opening 11, between feeding mouth 3 and hopper 1, is connected by conveyer belt 2.
Also comprise exhaust gas processing device 6, described exhaust gas processing device 6 is communicated with the top of heating furnace 4 by pipeline.
On pipeline between described exhaust gas processing device 6 and heating furnace 4, be also provided with air-introduced machine 5.
Described exhaust gas processing device 6 comprises cyclone dust collectors and activated carbon adsorption bed.
In described heating furnace 4, be vertically provided with mixed turning-up devices 10, the two ends of mixed turning-up devices are fixed on heating furnace by bearing, and drive by motor.
Described mixed turning-up devices 10 comprises mixed shovel 12 and the axle of turning over, and is radially fixed with multiple intervals mixed shovel 12 that turns over uniformly on axle.
The described mixed shovel 12 that turns over is arranged in the shape of a spiral.
The utility model adopts buried tube type heating furnace structure simple, easy operating, and than rotary furnace, without gearing parts, accident rate is low.
Flue gas comes from heat source generator 8, and mixed turning-up devices 10 is set in burner hearth, and contaminated soil is mixed and turned over, and contaminated soil is heated evenly thoroughly.Simple mechanical rotation, drives mixed motion of turning over shovel 12, can complete preferably the stirring of contaminated soil, and contaminated soil is heated evenly thoroughly.
Heating
Heat source generator 8 heats flue gas, and the flue gas after heating is connected with heating tube 9 tube banks of body of heater by flue 7, for body of heater provides heat.Flue gas circulation in heating tube 9 tube banks, heat is passed to the contaminated soil in body of heater.Flue gas heat constantly reduces in the process of circulation, and by flue 7 and heat source generator 8, forms flow cycle.Avoid tail gas to leak and caused the possibility of secondary pollution.
Charging
Contaminated soil is deposited in hopper 1, with certain speed, contaminated soil is sent into body of heater by feeding mouth 3 by the rotation of conveyer belt 2.
Thermal desorption processing
Burner hearth holds contaminated soil, and the hot flue gas of heating tube 9 tube bank circulation heats body of heater, and mixed turning-up devices 10 not stalls are moving, and soil is stirred.Body of heater adopts airtight insulation, and the contaminated off-gas preventing leaks.Contaminated soil enters burner hearth by feeding mouth 3, and heating tube 9 tube banks, by its heating, are volatilized the volatility in contaminated soil/half volatile organic contaminant or separate, and through air-introduced machine 5, the pollutant evaporating are derived to burner hearth and are further processed.Contaminated soil after treatment has the slag-drip opening 11 of burner hearth bottom to discharge, and is transported to appointed place.
Vent gas treatment
Exhaust gas processing device 6 arranges respectively cyclone dust collectors and activated carbon adsorption bed, and volatility/half volatile organic contaminant is carried out to adsorption treatment.
Claims (4)
1. a Soil Thermal desorption prosthetic appliance, it is characterized in that, comprise heat source generator and thermal desorption device, described thermal desorption device comprises heating furnace and hopper, is provided with circulating type heating tube in heating furnace furnace wall, and the two ends of heating tube are connected with heat source generator by flue, form loop, the top of heating furnace is provided with feeding mouth, and bottom is provided with slag-drip opening, between feeding mouth and hopper, is connected by conveyer belt; In described heating furnace, be vertically provided with mixed turning-up devices, the two ends of mixed turning-up devices are fixed on heating furnace by bearing, and drive by motor, described mixed turning-up devices comprises mixed shovel and the axle of turning over, on axle, be radially fixed with multiple intervals and mix and turn over shovel uniformly, the described mixed shovel that turns over is arranged in the shape of a spiral.
2. a kind of Soil Thermal desorption prosthetic appliance according to claim 1, is characterized in that, also comprise exhaust gas processing device, described exhaust gas processing device is communicated with the top of heating furnace by pipeline.
3. a kind of Soil Thermal desorption prosthetic appliance according to claim 2, is characterized in that, on the pipeline between described exhaust gas processing device and heating furnace, is also provided with air-introduced machine.
4. a kind of Soil Thermal desorption prosthetic appliance according to claim 1 and 2, is characterized in that, described exhaust gas processing device comprises cyclone dust collectors and activated carbon adsorption bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062666.5U CN203830400U (en) | 2014-02-12 | 2014-02-12 | Thermal-desorption restoring equipment for soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062666.5U CN203830400U (en) | 2014-02-12 | 2014-02-12 | Thermal-desorption restoring equipment for soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203830400U true CN203830400U (en) | 2014-09-17 |
Family
ID=51508291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420062666.5U Expired - Lifetime CN203830400U (en) | 2014-02-12 | 2014-02-12 | Thermal-desorption restoring equipment for soil |
Country Status (1)
| Country | Link |
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| CN (1) | CN203830400U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798056A (en) * | 2016-04-20 | 2016-07-27 | 河北农业大学 | Screw-in soil remediation device and method for soil remediation by using same |
| CN105855284A (en) * | 2016-05-26 | 2016-08-17 | 江苏新光环保工程有限公司 | Thermal desorption integrated treatment method and device |
| CN106903154A (en) * | 2017-03-27 | 2017-06-30 | 中国环境科学研究院 | A kind of hot restorative procedure of organic polluted soil |
| CN108188163A (en) * | 2018-02-26 | 2018-06-22 | 赵云红 | A kind of soil repair system of more repair mode one |
| CN108339844A (en) * | 2018-02-26 | 2018-07-31 | 赵云红 | A kind of hot soil repair system of vapor |
| CN108405593A (en) * | 2018-02-26 | 2018-08-17 | 赵云红 | A kind of large capacity soil repair system |
| CN109047314A (en) * | 2018-08-21 | 2018-12-21 | 苏州尚梵斯科技有限公司 | A kind of thermal desorption soil remediation equipment and restorative procedure |
| CN109174945A (en) * | 2018-08-17 | 2019-01-11 | 南通劲凌智能科技有限公司 | A kind of soil repair system and its method based on heat-conducting oil heating |
| CN109632453A (en) * | 2018-11-10 | 2019-04-16 | 钱巍 | A kind of thermal desorption method soil remediation experimental rig |
| 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 |
-
2014
- 2014-02-12 CN CN201420062666.5U patent/CN203830400U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798056A (en) * | 2016-04-20 | 2016-07-27 | 河北农业大学 | Screw-in soil remediation device and method for soil remediation by using same |
| CN105798056B (en) * | 2016-04-20 | 2019-01-11 | 河北农业大学 | Screw-in soil remediation device and method for soil remediation by using same |
| CN105855284A (en) * | 2016-05-26 | 2016-08-17 | 江苏新光环保工程有限公司 | Thermal desorption integrated treatment method and device |
| CN106903154A (en) * | 2017-03-27 | 2017-06-30 | 中国环境科学研究院 | A kind of hot restorative procedure of organic polluted soil |
| CN108339844B (en) * | 2018-02-26 | 2020-08-25 | 江苏众川生态环境有限公司 | Steam hot soil restoration system and restoration method |
| CN108188163A (en) * | 2018-02-26 | 2018-06-22 | 赵云红 | A kind of soil repair system of more repair mode one |
| CN108339844A (en) * | 2018-02-26 | 2018-07-31 | 赵云红 | A kind of hot soil repair system of vapor |
| CN108405593A (en) * | 2018-02-26 | 2018-08-17 | 赵云红 | A kind of large capacity soil repair system |
| CN109174945A (en) * | 2018-08-17 | 2019-01-11 | 南通劲凌智能科技有限公司 | A kind of soil repair system and its method based on heat-conducting oil heating |
| CN109174945B (en) * | 2018-08-17 | 2021-01-05 | 江苏大墩子银杏生物科技有限公司 | Soil remediation system and method based on heat transfer oil heating |
| CN109047314A (en) * | 2018-08-21 | 2018-12-21 | 苏州尚梵斯科技有限公司 | A kind of thermal desorption soil remediation equipment and restorative procedure |
| CN109632453A (en) * | 2018-11-10 | 2019-04-16 | 钱巍 | A kind of thermal desorption method soil remediation experimental rig |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU SUNTIME ENVIRONMENTAL REMEDIATION CO., LTD Free format text: FORMER OWNER: CHANGZHOU JASON CHONG ENVIRONMENTAL SCIENCE AND TECHNOLOGY CO., LTD. Effective date: 20150708 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150708 Address after: 402-2, room 178, 213022 Taishan Road, Xinbei District, Jiangsu, Changzhou, China Patentee after: JIANGSU SUNTIME ENVIRONMENTAL REMEDIATION Co.,Ltd. Address before: 213022 Taihu road Jiangsu city Changzhou province Xinbei hi tech Zone No. 30 Patentee before: CHANGZHOU JIECHUANG ENVIRONMENT TECHNOLOGY Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 2188 No. 213022 Jiangsu province Zhonglou District of Changzhou City Avenue Patentee after: SUNTIME ENVIRONMENTAL REMEDIATION Co.,Ltd. Address before: 402-2, room 178, 213022 Taishan Road, Xinbei District, Jiangsu, Changzhou, China Patentee before: JIANGSU SUNTIME ENVIRONMENTAL REMEDIATION Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 213000 2188 Longcheng Road, Zhong Lou District, Changzhou, Jiangsu Patentee after: Shanda Environmental Restoration Co.,Ltd. Address before: 213022 No. 2188 Longcheng Avenue, Zhonglou District, Changzhou City, Jiangsu Province Patentee before: SUNTIME ENVIRONMENTAL REMEDIATION Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |
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| CX01 | Expiry of patent term |