CN210305028U - Be used for administering organic matter contaminated soil ectopic thermal desorption repair equipment - Google Patents
Be used for administering organic matter contaminated soil ectopic thermal desorption repair equipment Download PDFInfo
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- CN210305028U CN210305028U CN201921293145.XU CN201921293145U CN210305028U CN 210305028 U CN210305028 U CN 210305028U CN 201921293145 U CN201921293145 U CN 201921293145U CN 210305028 U CN210305028 U CN 210305028U
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Abstract
The utility model discloses a be used for administering organic matter contaminated soil ectopic thermal desorption repair equipment, including soil pretreatment unit, thermal desorption unit, soil cooling unit and gas cleaning unit, soil pretreatment unit includes screening crushing fill, magnet separator and belt feeder. A a be used for administering organic matter contaminated soil dystopy thermal desorption repair equipment, at first, can effectively reduce the calorific loss that moisture evaporation brought in the soil, prevent to cause the viscidity to block up the problem appearance of slagging scorification in the furnace body because of soil moisture content is too high, increase the whole throughput of equipment and prevent to block up the slagging scorification in the desorption stove, and can reduce fuel consumption, thereby reduce energy consumption, and at last, can carry out thermal desorption to complicated contaminated soil and administer, it promotes to get rid of organic matter kind, technical applicability is stronger, there is stronger suitability on can be disposed of pollutant kind, bring better use prospect.
Description
Technical Field
The utility model relates to a soil remediation field, in particular to a thermal desorption repair equipment that is used for administering organic matter contaminated soil dystopy.
Background
Along with the development of society, the living standard of people is continuously improved, the requirements of people on the environment are higher and higher, in order to meet the use requirements of people, people develop various devices or equipment which are beneficial to environment restoration, wherein thermal desorption restoration equipment for treating organic matter polluted soil is provided, along with the rapid development of science and technology, the requirements of people on thermal desorption restoration equipment for treating organic matter polluted soil are continuously increased, and the existing thermal desorption restoration equipment for treating organic matter polluted soil cannot meet the use requirements of people;
the existing thermal desorption repair equipment for treating the organic contaminated soil has certain disadvantages when in use, firstly, the existing thermal desorption repair equipment for treating the organic contaminated soil usually adopts a belt dryer combined with indirect thermal desorption equipment to carry out thermal desorption, the contaminated soil can bring a great deal of heat loss when water is evaporated, the treatment capacity is not high, the problem of blockage and slag bonding caused by large viscosity due to overhigh water content of the soil can occur, secondly, the existing thermal desorption repair equipment for treating organic matter contaminated soil needs to periodically extract tail gas from a dryer, the tail gas enters a combustion heating chamber of the thermal desorption equipment after cyclone dust removal and heat exchange condensation, organic matters are thoroughly decomposed after incineration, consumed energy is more, and the use requirements of people are not met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a be arranged in administering organic matter to pollute soil dystopy thermal desorption repair equipment can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the ectopic thermal desorption repair equipment for treating the organic matter polluted soil comprises a soil pretreatment unit, a thermal desorption unit, a soil cooling unit and a flue gas purification unit, wherein the soil pretreatment unit comprises a screening crushing hopper, a magnetic separator and a belt conveyor, the thermal desorption unit comprises an indirect thermal desorption reaction furnace, a direct thermal desorption reaction furnace, a spiral conveyor and a circulating heat supply furnace, the soil cooling unit comprises a water-cooling jacket spiral conveyor and an industrial water spraying device, and the flue gas purification unit comprises a multi-pipe dust remover, a secondary combustion chamber, an air heat exchanger, a quench tower, a bag-type dust remover and a chimney;
the soil pretreatment unit: the device is used for crushing soil and removing iron-containing impurities in the soil;
the thermal desorption unit: for removing volatile substances from the soil;
the soil cooling unit: used for cooling the soil and spraying and repairing the soil;
the flue gas purification unit: is used for purifying smoke dust generated in the soil remediation process.
Preferably, indirect thermal desorption reacting furnace includes urceolus, inner tube and screw conveyor, the soil blanking mouth has been seted up to the surface one end position of urceolus, the lower extreme of soil blanking mouth run through urceolus and inner tube and with inner tube surface connection, be provided with a plurality of groups guide plate between urceolus and the inner tube, hot exhanst gas outlet and hot flue gas entry have been seted up to the surface of urceolus, explosion-proof mouth, thermal desorption gas export and soil discharge gate have been seted up to the surface of inner tube, the one end that the inner tube was kept away from to explosion-proof mouth, thermal desorption gas export and soil discharge gate all runs through the urceolus.
Preferably, the spiral conveying mechanism comprises a motor and a spiral feeding rod, the spiral feeding rod is movably mounted at two ends of the inner surface of the inner cylinder through bearings, the motor is fixedly mounted at one end of the outer cylinder, and the output end of the motor is fixedly connected with one end of the spiral feeding rod through a coupler.
Preferably, the both ends of belt feeder are connected with the discharge gate of screening crushing fill and the soil blanking mouth of indirect thermal desorption reacting furnace respectively, the magnet separator is installed on the belt feeder.
Preferably, the both ends of screw conveyer are connected with the soil discharge gate of indirect thermal desorption reacting furnace and the material loading hopper of direct thermal desorption reacting furnace respectively, circulation heat supply stove passes through the pipeline and is connected with the hot flue gas entry on the indirect thermal desorption reacting furnace and the hot flue gas exit on the direct thermal desorption reacting furnace respectively, the hot desorption gas export on the indirect thermal desorption reacting furnace passes through the entry linkage of pipeline and circulation heat supply stove.
Preferably, a feeding port of the water-cooling jacket screw conveyor is connected with a discharging hopper of the direct thermal desorption reaction furnace, and a discharging port of the water-cooling jacket screw conveyor is connected with a feeding port of the industrial water spraying device.
Preferably, the inlet and the outlet of the multi-tube dust collector are respectively connected with the flue gas port of the direct thermal desorption reaction furnace and the flue gas inlet of the secondary combustion chamber through pipelines, the secondary combustion chamber, the air heat exchanger, the quench tower, the bag-type dust collector and the chimney are sequentially connected through pipelines, and the chimney is further connected with the hot flue gas outlet of the indirect thermal desorption reaction furnace through a pipeline.
Preferably, the high-temperature air port on the air heat exchanger is respectively connected with a hot air inlet on the secondary combustion chamber and a hot air inlet on the circulating heat supply furnace through pipelines.
Compared with the prior art, the utility model provides a be used for administering organic matter contaminated soil dystopy thermal desorption repair equipment has following beneficial effect:
1. the method adopts a form of matching the indirect thermal desorption reaction furnace and the direct thermal desorption reaction furnace, adopts a two-stage heating mode of indirect thermal desorption and direct thermal desorption, so that the polluted soil is heated more fully, and the heat loss caused by water evaporation in the soil can be effectively reduced, thereby improving the processing capacity, preventing the problem of blockage and slag bonding in the furnace body due to large viscosity caused by overhigh water content of the soil, increasing the overall processing capacity of the equipment and preventing the blockage and slag bonding in the desorption furnace;
2. the organic contaminated soil is subjected to indirect thermal desorption to generate pyrolytic desorption reaction gas which is used as auxiliary fuel of a circulating heat supply furnace, the secondary combustion chamber is communicated with an air heat exchanger through a pipeline, part of preheated high-temperature air generated by transduction of the air heat exchanger enters the circulating heat supply furnace to improve heat, and part of the preheated high-temperature air enters the secondary combustion chamber to be used as combustion-supporting air to reduce fuel consumption, so that energy consumption is reduced;
3. adopt indirect thermal desorption unit and direct thermal desorption unit combination formula, to two kinds of thermal desorption units of exclusive use, can carry out the thermal desorption to complicated contaminated soil and administer, it promotes to get rid of the organic matter kind, technical applicability is stronger, there is stronger suitability on the pollutant kind that can dispose, and whole be used for administering the convenient operation of organic matter contaminated soil dystopy thermal desorption repair equipment, maneuverability is higher, it is simpler and easy, be convenient for control, the result of use is better for traditional mode, satisfy people's operation requirement, and is comparatively practical.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic view of the overall structure of the heterotopic thermal desorption remediation equipment for treating organic contaminated soil of the present invention;
figure 2 is the utility model relates to a structure chart that is used for administering and connects thermal desorption reacting furnace in the middle of organic matter contaminated soil dystopy thermal desorption repair equipment.
In the figure: 1. screening and crushing buckets; 2. a magnetic separator; 3. a belt conveyor; 4. an indirect thermal desorption reaction furnace; 5. a direct thermal desorption reaction furnace; 6. a screw conveyor; 7. a circulating heat supply furnace; 8. a water-cooled jacket screw conveyor; 9. an industrial water spray device; 10. a multi-tube dust collector; 11. a second combustion chamber; 12. an air heat exchanger; 13. a quench tower; 14. a bag-type dust collector; 15. a chimney; 16. a baffle; 17. a hot flue gas outlet; 18. a hot flue gas inlet; 19. an explosion-proof port; 20. a thermal desorption gas outlet; 21. and (4) discharging the soil.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
A ectopic thermal desorption repair device for treating organic matter contaminated soil is shown in figure 1 and comprises a soil pretreatment unit, a thermal desorption unit, a soil cooling unit and a flue gas purification unit, wherein the soil pretreatment unit comprises a screening crushing hopper 1, a magnetic separator 2 and a belt conveyor 3, the thermal desorption unit comprises an indirect thermal desorption reaction furnace 4, a direct thermal desorption reaction furnace 5, a spiral conveyor 6 and a circulating heat supply furnace 7, the soil cooling unit comprises a water-cooling jacket spiral conveyor 8 and an industrial water spraying device 9, and the flue gas purification unit comprises a multi-pipe dust remover 10, a secondary combustion chamber 11, an air heat exchanger 12, a quench tower 13, a cloth bag dust remover 14 and a chimney 15;
a soil pretreatment unit: the device is used for crushing soil and removing iron-containing impurities in the soil;
a thermal desorption unit: for removing volatile substances from the soil;
a soil cooling unit: used for cooling the soil and spraying and repairing the soil;
a flue gas purification unit: is used for purifying smoke dust generated in the soil remediation process.
Adopt indirect thermal desorption reacting furnace 4 and direct thermal desorption reacting furnace 5 complex form, adopt the two segmentation heating methods of indirect back direct thermal desorption earlier, pollute soil and be heated more fully, can effectively reduce the calorific loss that moisture evaporation brought in the soil to improve throughput, prevent to cause the problem appearance that viscidity is big to block up the slagging because of soil moisture content is too high, increase the whole throughput of equipment and prevent to block up the slagging in the desorption stove.
As shown in fig. 2, the indirect thermal desorption reaction furnace 4 includes an outer cylinder, an inner cylinder and a spiral conveying mechanism, a soil blanking port is provided at one end of the outer surface of the outer cylinder, the lower end of the soil blanking port penetrates through the outer cylinder and the inner cylinder and is connected with the surface of the inner cylinder, a plurality of groups of guide plates 16 are provided between the outer cylinder and the inner cylinder, a hot flue gas outlet 17 and a hot flue gas inlet 18 are provided on the outer surface of the outer cylinder, an explosion-proof port 19, a thermal desorption gas outlet 20 and a soil discharge port 21 are provided on the outer surface of the inner cylinder, and one ends of the explosion-proof port 19, the thermal desorption.
As shown in fig. 2, the spiral conveying mechanism includes a motor and a spiral feeding rod, the spiral feeding rod is movably mounted at two ends of the inner surface of the inner cylinder through a bearing, the motor is fixedly mounted at one end of the outer cylinder, and the output end of the motor is fixedly connected with one end of the spiral feeding rod through a coupler.
As shown in fig. 1, two ends of a belt conveyor 3 are respectively connected with a discharge port of a screening and crushing hopper 1 and a soil blanking port of an indirect thermal desorption reaction furnace 4, and a magnetic separator 2 is installed on the belt conveyor 3.
As shown in fig. 1, two ends of the screw conveyor 6 are respectively connected with a soil discharge port 21 of the indirect thermal desorption reaction furnace 4 and a feeding hopper of the direct thermal desorption reaction furnace 5, the circulating heat supply furnace 7 is respectively connected with a hot flue gas inlet 18 on the indirect thermal desorption reaction furnace 4 and a hot flue gas outlet on the direct thermal desorption reaction furnace 5 through pipelines, and a hot desorption gas outlet 20 on the indirect thermal desorption reaction furnace 4 is connected with an inlet of the circulating heat supply furnace 7 through a pipeline.
Adopt indirect thermal desorption unit and direct thermal desorption unit combination formula, to two kinds of thermal desorption units of exclusive use, can carry out the thermal desorption to complicated contaminated soil and administer, it promotes to get rid of the organic matter kind, technical applicability is stronger, there is stronger suitability on the pollutant kind that can dispose, and whole be used for administering the convenient operation of organic matter contaminated soil dystopy thermal desorption repair equipment, maneuverability is higher, it is simpler and easy, be convenient for control, the result of use is better for traditional mode, satisfy people's operation requirement, and is comparatively practical.
As shown in fig. 1, a feeding port of the water-cooling jacket screw conveyor 8 is connected to a feeding hopper of the direct thermal desorption reaction furnace 5, and a feeding port of the water-cooling jacket screw conveyor 8 is connected to a feeding port of the industrial water spray device 9.
As shown in fig. 1, the inlet and the outlet of the multi-tube dust collector 10 are respectively connected with the flue gas port of the direct thermal desorption reaction furnace 5 and the flue gas inlet of the secondary combustion chamber 11 through pipelines, the secondary combustion chamber 11, the air heat exchanger 12, the quenching tower 13, the bag-type dust collector 14 and the chimney 15 are sequentially connected through pipelines, and the chimney 15 is further connected with the hot flue gas outlet 17 on the indirect thermal desorption reaction furnace 4 through a pipeline.
As shown in fig. 1, the high-temperature air port of the air heat exchanger 12 is connected with the hot air inlet of the secondary combustion chamber 11 and the hot air inlet of the circulation heating furnace 7 through pipelines.
Organic contaminated soil carries out indirect thermal desorption earlier and produces pyrolysis desorption reaction gas, uses as the auxiliary fuel of circulation heat supply stove 7, and second combustion chamber 11 passes through pipeline and air heat exchanger 12 intercommunication moreover, and the high temperature air after preheating that the transduction of air heat exchanger 12 produced partly can get into and improve the heat in circulation heat supply stove 7, and the part gets into second combustion chamber 11 as combustion air with reduce fuel consumption to reduce energy consumption.
It should be noted that the utility model relates to a heterotopic thermal desorption repair device for treating organic contaminated soil, firstly, the organic contaminated soil to be treated is sent into a screening and crushing hopper 1 for screening and crushing, the particle size of the soil after screening and crushing is controlled within 4cm, the soil after screening and crushing falls into a belt conveyor 3, the iron-containing impurities in the soil are removed by a magnetic separator 2 on the belt conveyor 3 and then sent into an indirect thermal desorption reaction furnace 4, the soil is firstly thermally desorbed in the indirect thermal desorption reaction furnace 4, falls onto the screw conveyor 6 after thermal desorption, the screw conveyor 6 is of a closed structure, the screw conveyor 6 can convey the heated soil into the direct thermal desorption reaction furnace 5 for thermal desorption again, the thermally desorbed soil can directly enter the water-cooling jacket screw conveyor 8 for water-cooling conveyance, and then is discharged after being cooled by industrial water spraying of the industrial water spraying device 9;
when the heat supply device is used, the circulating heat supply furnace 7 is connected with the hot flue gas inlet 18 of the indirect thermal desorption reaction furnace 4 to provide a heat source, the hot flue gas outlet 17 of the indirect thermal desorption reaction furnace 4 is communicated with the chimney 15, the hot flue gas after heat exchange is directly discharged, the hot desorption gas outlet 20 is communicated with the circulating heat supply furnace 7, and organic matters carried in the hot desorption gas are used as auxiliary fuel, so that the consumption of natural gas is saved, and the fuel loss is reduced;
when the direct thermal desorption reaction furnace 5 is used, the direct thermal desorption reaction furnace is communicated with the multi-pipe dust remover 10 through a pipeline, the multi-pipe dust remover 10 is communicated with the secondary combustion chamber 11 through a pipeline, smoke dust can be completely oxidized, degraded and removed after passing through the multi-pipe dust remover, the secondary combustion chamber 11 is communicated with the air heat exchanger 12 through a pipeline, a high-temperature air outlet of the air heat exchanger 12 is communicated with the secondary combustion chamber 11 and the circulating heat supply furnace 7 through a pipeline, a part of preheated air enters the circulating heat supply furnace 7, a part of preheated air enters the secondary combustion chamber 11 to serve as combustion-supporting air to reduce fuel consumption, the air heat exchanger 12, the quench tower 13, the bag-type dust remover 14 and the chimney 15 are communicated through pipelines in sequence, and smoke can be discharged through;
when the soil is thermally desorbed in the indirect thermal desorption reaction furnace 4, the soil is sent into a soil blanking port of the indirect thermal desorption reaction furnace 4 through a belt after being pretreated and falls into an inner cylinder of the thermal desorption furnace, the soil is pushed forward along with the rotation of the spiral conveying mechanism, hot flue gas from an outlet of the circulating heat supply furnace 7 enters from a hot flue gas inlet 18 at the lower part of the desorption furnace, the hot flue gas surrounds the outer wall of the inner cylinder under the action of the guide plate 16 to perform reverse indirect heat exchange with the soil in the inner cylinder through a spiral line, and then the flue gas leaves from a hot flue gas outlet 17.
After the soil is indirectly heated by the hot flue gas in the furnace, volatile substances in the soil are heated and evaporated and then discharged through a thermal desorption gas outlet 20, and the thermally desorbed soil is discharged from a soil discharge port 21 at the rear end of the furnace and enters the direct thermal desorption reaction furnace 5 along with the screw conveyor 6.
When in use, the indirect thermal desorption reaction furnace 4 is provided with an explosion-proof port 19 to prevent the equipment from being damaged due to the sudden rise of the pressure of the inner cylinder caused by the overhigh concentration of organic matters in soil or the explosion limit of inflammable matters due to air leakage;
the method adopts a form of matching the indirect thermal desorption reaction furnace 4 with the direct thermal desorption reaction furnace 5, adopts a two-stage heating mode of indirect thermal desorption and direct thermal desorption, so that the polluted soil is heated more fully, and the heat loss caused by water evaporation in the soil can be effectively reduced, thereby improving the processing capacity, preventing the problem of blockage and slag bonding in the furnace body due to large viscosity caused by overhigh water content of the soil, increasing the overall processing capacity of the equipment and preventing the blockage and slag bonding in the desorption furnace;
when the device is used, the organic polluted soil is subjected to indirect thermal desorption to generate pyrolytic desorption reaction gas which is used as auxiliary fuel of the circulating heat supply furnace 7, the secondary combustion chamber 11 is communicated with the air heat exchanger 12 through a pipeline, part of preheated high-temperature air generated by transduction of the air heat exchanger 12 enters the circulating heat supply furnace 7 to improve heat, and part of preheated high-temperature air enters the secondary combustion chamber 11 to be used as combustion-supporting air to reduce fuel consumption, so that energy consumption is reduced;
during the use, adopt indirect thermal desorption unit and direct thermal desorption unit combination formula, to two kinds of thermal desorption units of exclusive use, can carry out the thermal desorption to complicated contaminated soil and administer, it promotes to get rid of the organic matter kind, technical applicability is stronger, there is stronger suitability on the pollutant kind that can dispose, and whole convenient operation that is used for administering organic matter contaminated soil dystopy thermal desorption repair equipment, maneuverability is higher, it is simpler and easy, be convenient for control, the result of use is better for traditional mode, satisfy people's operation requirement, and is relatively practical.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an ectopic thermal desorption repair equipment for administering organic matter contaminated soil which characterized in that: the device comprises a soil pretreatment unit, a thermal desorption unit, a soil cooling unit and a flue gas purification unit, wherein the soil pretreatment unit comprises a screening and crushing hopper (1), a magnetic separator (2) and a belt conveyor (3), the thermal desorption unit comprises an indirect thermal desorption reaction furnace (4), a direct thermal desorption reaction furnace (5), a spiral conveyor (6) and a circulating heat supply furnace (7), the soil cooling unit comprises a water-cooling jacket spiral conveyor (8) and an industrial water spraying device (9), and the flue gas purification unit comprises a multi-pipe dust remover (10), a secondary combustion chamber (11), an air heat exchanger (12), a quench tower (13), a cloth bag dust remover (14) and a chimney (15);
the soil pretreatment unit: the device is used for crushing soil and removing iron-containing impurities in the soil;
the thermal desorption unit: for removing volatile substances from the soil;
the soil cooling unit: used for cooling the soil and spraying and repairing the soil;
the flue gas purification unit: is used for purifying smoke dust generated in the soil remediation process.
2. The ex-situ thermal desorption remediation device for remediating organic matter contaminated soil according to claim 1, wherein the ex-situ thermal desorption remediation device comprises: indirect thermal desorption reacting furnace (4) are including urceolus, inner tube and screw conveyor, the soil blanking mouth has been seted up to the surface one end position of urceolus, the lower extreme of soil blanking mouth runs through urceolus and inner tube and is connected with inner tube surface, be provided with a plurality of groups guide plate (16) between urceolus and the inner tube, hot exhanst gas outlet (17) and hot flue gas entry (18) have been seted up to the surface of urceolus, explosion-proof mouth (19), thermal desorption gas export (20) and soil discharge gate (21) have been seted up to the surface of inner tube, the one end that the inner tube was kept away from to explosion-proof mouth (19), thermal desorption gas export (20) and soil discharge gate (21).
3. The ex-situ thermal desorption remediation device for remediating organic matter contaminated soil according to claim 2, wherein the ex-situ thermal desorption remediation device comprises: the spiral conveying mechanism comprises a motor and a spiral feeding rod, the spiral feeding rod is movably mounted at two ends of the inner surface of the inner barrel through bearings, the motor is fixedly mounted at one end of the outer barrel, and the output end of the motor is fixedly connected with one end of the spiral feeding rod through a coupler.
4. The ex-situ thermal desorption remediation device for remediating organic matter contaminated soil according to claim 2, wherein the ex-situ thermal desorption remediation device comprises: the both ends of belt feeder (3) are connected with the discharge gate of screening crushing fill (1) and the soil blanking mouth of indirect thermal desorption reacting furnace (4) respectively, install on belt feeder (3) magnet separator (2).
5. The ex-situ thermal desorption remediation device for remediating organic matter contaminated soil according to claim 2, wherein the ex-situ thermal desorption remediation device comprises: the both ends of screw conveyer (6) are connected with the soil discharge gate (21) of indirect thermal desorption reacting furnace (4) and the material loading hopper of direct thermal desorption reacting furnace (5) respectively, circulation heat supply stove (7) are connected with hot flue gas entry (18) on indirect thermal desorption reacting furnace (4) and the hot cigarette exit linkage on direct thermal desorption reacting furnace (5) respectively through the pipeline, hot desorption gas export (20) on indirect thermal desorption reacting furnace (4) are through the entry linkage of pipeline and circulation heat supply stove (7).
6. The ex-situ thermal desorption remediation device for remediating organic matter contaminated soil according to claim 1, wherein the ex-situ thermal desorption remediation device comprises: and a feeding port of the water-cooling jacket screw conveyor (8) is connected with a feeding hopper of the direct thermal desorption reaction furnace (5), and a feeding port of the water-cooling jacket screw conveyor (8) is connected with a feeding port of the industrial water spraying device (9).
7. The ex-situ thermal desorption remediation device for remediating organic matter contaminated soil according to claim 1, wherein the ex-situ thermal desorption remediation device comprises: the inlet and the outlet of the multi-tube dust collector (10) are respectively connected with the smoke port of the direct thermal desorption reaction furnace (5) and the smoke inlet of the secondary combustion chamber (11) through pipelines, the secondary combustion chamber (11), the air heat exchanger (12), the quench tower (13), the bag-type dust collector (14) and the chimney (15) are sequentially connected through pipelines, and the chimney (15) is further connected with the hot smoke outlet (17) on the indirect thermal desorption reaction furnace (4) through the pipelines.
8. The ex-situ thermal desorption remediation device for remediating organic matter contaminated soil according to claim 2, wherein the ex-situ thermal desorption remediation device comprises: and a high-temperature air port on the air heat exchanger (12) is respectively connected with a hot air inlet on the secondary combustion chamber (11) and a hot air inlet on the circulating heat supply furnace (7) through pipelines.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515238A (en) * | 2020-04-27 | 2020-08-11 | 浙江宜可欧环保科技有限公司 | Soil direct thermal desorption treatment method and equipment |
| CN111889495A (en) * | 2020-07-14 | 2020-11-06 | 诸暨华匠工程设计咨询有限公司 | Soil remediation thermal desorption equipment and process thereof |
| CN113182342A (en) * | 2021-05-19 | 2021-07-30 | 山西八建集团有限公司 | Thermal desorption prosthetic devices who pollutes soil |
| CN113634049A (en) * | 2021-08-07 | 2021-11-12 | 浙江宜可欧环保科技有限公司 | Pyrolysis desorption gas dust removal method and pyrolysis desorption furnace applying same |
| CN114345549A (en) * | 2022-01-28 | 2022-04-15 | 生态环境部土壤与农业农村生态环境监管技术中心 | Method and device for removing heavy metal Cr in thermal desorption flue gas of polluted soil |
| CN115318816A (en) * | 2022-07-28 | 2022-11-11 | 南京中船绿洲环保有限公司 | Hot air circulation's soil thermal desorption system |
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2019
- 2019-08-09 CN CN201921293145.XU patent/CN210305028U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515238A (en) * | 2020-04-27 | 2020-08-11 | 浙江宜可欧环保科技有限公司 | Soil direct thermal desorption treatment method and equipment |
| CN111889495A (en) * | 2020-07-14 | 2020-11-06 | 诸暨华匠工程设计咨询有限公司 | Soil remediation thermal desorption equipment and process thereof |
| CN111889495B (en) * | 2020-07-14 | 2022-03-01 | 诸暨华匠工程设计咨询有限公司 | Soil remediation thermal desorption equipment and process thereof |
| CN113182342A (en) * | 2021-05-19 | 2021-07-30 | 山西八建集团有限公司 | Thermal desorption prosthetic devices who pollutes soil |
| CN113634049A (en) * | 2021-08-07 | 2021-11-12 | 浙江宜可欧环保科技有限公司 | Pyrolysis desorption gas dust removal method and pyrolysis desorption furnace applying same |
| CN114345549A (en) * | 2022-01-28 | 2022-04-15 | 生态环境部土壤与农业农村生态环境监管技术中心 | Method and device for removing heavy metal Cr in thermal desorption flue gas of polluted soil |
| CN115318816A (en) * | 2022-07-28 | 2022-11-11 | 南京中船绿洲环保有限公司 | Hot air circulation's soil thermal desorption system |
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