CN210936434U - Portable box soil thermal desorption device - Google Patents
Portable box soil thermal desorption device Download PDFInfo
- Publication number
- CN210936434U CN210936434U CN201920773017.9U CN201920773017U CN210936434U CN 210936434 U CN210936434 U CN 210936434U CN 201920773017 U CN201920773017 U CN 201920773017U CN 210936434 U CN210936434 U CN 210936434U
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- Prior art keywords
- heating
- heating cabinet
- thermal desorption
- box
- desorption device
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- 239000002689 soil Substances 0.000 title claims abstract description 43
- 238000003795 desorption Methods 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 92
- 239000000463 material Substances 0.000 claims abstract description 46
- 238000005485 electric heating Methods 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 16
- 231100000719 pollutant Toxicity 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000007306 turnover Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 238000005067 remediation Methods 0.000 description 7
- 238000009835 boiling Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000002957 persistent organic pollutant Substances 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000001997 phenyl group Chemical class [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a portable box soil thermal desorption device, including material case and heating cabinet, the material case is located the inside of heating cabinet, and both can dismantle the setting, the outside of heating cabinet is provided with the heater, the output of heater is connected with the heating rod, and the heating rod is located the inside of heating cabinet, the top of heating cabinet is provided with the detachable top cap, the (mixing) shaft is installed and is extended to the heating cabinet inside to the bottom of top cap the bottom of material case is provided with movable opening, the inside of material case is around there being the electrical heating piece. The utility model discloses a be provided with heater and electric heating plate, can select two kinds of heating methods parallel to the combined pollutant, when the box temperature rises to the settlement temperature, open the rotating electrical machines and drive the (mixing) shaft and turn over the throwing to contaminated soil, make inside soil heating more even, the pollutant loss is rapider to realize that thermal desorption equipment optimizes, practice thrift the energy consumption, reduce thermal desorption equipment cost and occupation of land space.
Description
Technical Field
The utility model relates to a soil restoration processing technology field specifically is a portable box soil thermal desorption device.
Background
At present, soil polluted sites are left due to the relocation of industrial sites in China, the pollution is various, such as heavy metals, polycyclic aromatic hydrocarbons, petroleum hydrocarbons and other organic pollutants, the current main organic pollution remediation technology comprises physical remediation, chemical remediation, biological remediation and the like, the physical remediation or the chemical remediation has wider applicability according to the current national conditions, and the method is particularly suitable for large high-concentration and multi-component organic pollution sites. Among the many soil remediation technologies, thermal desorption is currently recognized as a mature and reliable technology for treating organic-contaminated soil.
The thermal desorption technology is a physical separation process for converting pollutants from one phase to another phase, can selectively volatilize target pollutants by controlling the temperature of a thermal desorption system and the retention time of materials, and can be used for adsorption treatment in a tail gas treatment process.
The movable mixed heating thermal desorption box body equipment has wider application fields for soil thermal desorption repair equipment.
The heating mode in the energy-saving soil pollution thermal desorption device CN109365505A is single electric heating, the desorption effect on high-boiling-point pollutants is very limited, the temperature rise difficulty is high, the heating mode is single, and the device cannot be applied to composite pollutant site repair.
In the rotary indirect thermal desorption device CN109692869A, the heating field of the soil is inside the rotary kiln body, and the caking and aggregation phenomenon of the cohesive soil is easy to generate.
In the rotary indirect thermal desorption device CN109692869A, because the equipment is fixed, the workload of soil transportation always exists, and this situation is very easy to cause secondary pollution due to dust emission, so the roller at the bottom of the box body in the invention can reduce the problem of secondary pollution due to dust emission.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a portable box soil thermal desorption device, the device energy consumption is low and the place utilization is big, has solved the great, inhomogeneous and the high problem of cost of transportation of soil heating of traditional thermal desorption equipment area.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable box soil thermal desorption device, includes material case and heating cabinet, the material case is located the inside of heating cabinet, and both can dismantle the setting, the outside of heating cabinet is provided with the heater, the output of heater is connected with the heating rod, and the heating rod is located the inside of heating cabinet, the top of heating cabinet is provided with the detachable top cap, the (mixing) shaft is installed and is extended to the heating cabinet inside to the bottom of top cap, the output of (mixing) shaft extends to the top of top cap, the top of material case is provided with tail gas pipe and fork truck fork mouth, the bottom of material case is provided with movable opening, the inside of material case is around there being the electric heating piece.
Preferably, the heater comprises a combustion chamber, a burner, an induction system, an ignition system, a motor, a control system and a safety valve assembly, and is fixedly connected with the heating box.
Preferably, the top cap of heating cabinet be provided with tail gas pipe connection's through-hole, and the top cap of heating cabinet and the contact position of heating cabinet are provided with the rubber pad, the outer wall of heating cabinet all is provided with thermal-insulated skin.
Preferably, pulleys are installed at four corners of the bottom of the heating box, and the pulleys are provided with braking structures.
Preferably, the outer side of the stirring shaft is provided with a helical blade, and a bearing is arranged at the joint of the stirring shaft and the top cover of the heating box.
Preferably, the four corners of the bottom of the material box are provided with sealing gaskets, the movable opening is hinged with the bottom of the material box, and the movable opening rotates towards the inner side of the material box along the hinge.
Preferably, the electrical heating piece is provided with multiunit and evenly distributed at the inner wall of material case, and electrical heating piece and external power source electric connection.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this design adopts the hybrid heating mode, and the heating mantle wall is electric heating, and the bottom is by the gas heating, takes different heating methods to different pollutants, and low boiling point pollutant (like benzene series thing) takes independent electric heating mode, and medium high boiling point pollutant takes hybrid heating's mode, reduces energy loss also can improve the heat and takes off efficiency simultaneously.
2. The design of this design bottom pulley, small-size place is portable, and mobility is strong, can handle on the spot after polluting soil excavation, can reduce the transportation cost and reduce the secondary pollution that brings among the earthwork transportation process, and the practicality is strong.
3. The stirring shaft equipped at the top of the equipment box body can be uniformly heated in the stirring process of the soil heating process, pollutants are fully volatilized, and the problem of nonuniform heating caused by clay agglomeration is solved.
Drawings
FIG. 1 is a schematic view of the interior of a heating chamber according to the present invention;
FIG. 2 is a schematic structural view of the material box of the present invention;
fig. 3 is a schematic top view of the present invention.
In the figure: 1. a stirring shaft; 2. a heating rod; 3. placing a bin; 4. an outer heat-insulating layer; 5. a heater; 6. a pulley; 7. an exhaust gas duct; 8. closing the flange; 9. fork ports of a forklift; 10. an electrical heating sheet; 11. a material bin; 12. a gasket; 13. and (4) a movable opening.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-3, a portable box-type soil thermal desorption device, including material case and heating cabinet, the material case is located the inside of heating cabinet, and both can dismantle the setting, the outside of heating cabinet is provided with heater 5, the output of heater 5 is connected with heating rod 2, and heating rod 2 is located the inside of heating cabinet, the top of heating cabinet is provided with the detachable top cap, (mixing) shaft 1 is installed and is extended to the heating cabinet inside to the bottom of top cap, the output of (mixing) shaft 1 extends to the top of top cap, the top of material case is provided with tail gas pipe 7 and fork truck fork 9, the bottom of material case is provided with movable opening 13, the inside of material case is surrounded there is electric heating piece 10.
The utility model discloses an add soil in the material incasement, transport through fork truck and fork truck fork mouth 9, open the top cap at material roof portion, place the material case inside the heating cabinet, because the material bottom of the case portion is provided with movable opening 13, make heating rod 2 inside the heating cabinet insert in the soil inside the material case, then close the material case top cap, and connect the tail gas pipe in the through-hole department of material case top cap, connect the (mixing) shaft with the output of motor simultaneously, select the heating mode according to the pollutant boiling point, adopt electric heat piece or natural gas heating, the electric heat piece has good removal effect to low boiling organic pollutant; the natural gas heating mode has good removal effect on high boiling point organic pollutants, two heating modes can be selected for the composite pollutants in parallel, when the temperature of the box body rises to a set temperature, the spiral stirring blades are opened, the polluted soil is turned, the internal soil is heated more uniformly, the pollutants escape more rapidly, and therefore optimization of thermal desorption equipment is achieved, energy consumption is saved, and the cost and the occupied space of the thermal desorption equipment are reduced.
Please refer to fig. 1, the heater 5 includes a combustion chamber, a burner, an induction system, an ignition system, a motor, a control system and a safety valve component, and the heater 5 is fixedly connected with the heating box, the temperature is transmitted to the heating rod 2 through the heater 5 to heat the soil in the material box, the top cover of the heating box is provided with a through hole connected with the tail gas conduit, and the contact position of the top cover of the heating box and the heating box is provided with a rubber pad, the outer wall of the heating box is provided with a heat insulation outer layer 4, the rubber pad is arranged between the top cover of the heating box and the heating box to seal, meanwhile, the outer wall of the heating box is the heat insulation outer layer 4 to prevent heat dissipation, improve the efficiency of soil heat release, and simultaneously avoid scalding caused by overheating of the outer wall of the heating box, pulleys 6 are arranged at four corners of the bottom of the heating box, small-size place is portable, and mobility is strong, can handle on the spot after polluting soil excavation, can reduce the cost of transportation and reduce the secondary pollution that brings in the earthwork transportation process, and the practicality is strong, and the outside of (mixing) shaft 1 is provided with helical blade, and the bearing is installed with the top cap junction of heating cabinet to (mixing) shaft 1, and the helical blade in the (mixing) shaft 1 outside can be so that soil is heated more evenly under the drive of motor.
Please refer to fig. 2, the four corners of the bottom of the material box are provided with the sealing gaskets 12, the movable opening 13 is hinged with the bottom of the material box, and the movable opening 13 rotates towards the inner side of the material box along the hinge, when soil is added into the material box, the soil cannot leak because the movable opening cannot rotate downwards, when the material box is placed inside the heating box, the movable opening 13 is opened because the heating rod 2 jacks up the movable opening 13 upwards, then the heating rod 2 is inserted into the soil, the electric heating plates 10 are provided with a plurality of groups and are uniformly distributed on the inner wall of the material box, and the electric heating plates 10 are electrically connected with an external power supply, so that the soil is heated more uniformly.
The working principle is as follows: feeding soil into the upper end of the material box, after the soil is completely fed, feeding the material box into the heating box through a forklift, the cover of the heating box is closed, the tail gas guide pipe and the stirring shaft above the box body are connected, the tail gas guide pipe can be connected to a tail gas treatment device after the whole sealing is finished, then selecting a heating mode according to the boiling point of the pollutant, adopting an electric heating piece or a natural gas heater, wherein the electric heating piece has good removal effect on the low-boiling-point organic pollutant, the natural gas heater has good removal effect on the medium-high-boiling-point organic pollutant, aiming at the composite pollutant, two heating modes can be selected in parallel, when the temperature of the box body rises to the set temperature, the rotating motor is turned on to drive the stirring shaft to throw the polluted soil, so that the internal soil is heated more uniformly, pollutants are dissipated more rapidly, therefore, the thermal desorption equipment is optimized, the energy consumption is saved, and the cost and the occupied space of the thermal desorption equipment are reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a portable box soil thermal desorption device, includes material case and heating cabinet, the material case is located the inside of heating cabinet, and both can dismantle the setting, its characterized in that: the outside of heating cabinet is provided with heater (5), the output of heater (5) is connected with heating rod (2), and heating rod (2) are located the inside of heating cabinet, the top of heating cabinet is provided with the detachable top cap, inside (mixing) shaft (1) and the heating cabinet of extending to is installed to the bottom of top cap, the output of (mixing) shaft (1) extends to the top of top cap, the top of material case is provided with tail gas pipe (7) and fork truck fork (9), the bottom of material case is provided with movable opening (13), the inside of material case is surrounded there are electric heating piece (10).
2. The movable box type soil thermal desorption device according to claim 1, wherein: the heater (5) comprises a combustion chamber, a burner, an induction system, an ignition system, a motor, a control system and a safety valve assembly, and the heater (5) is fixedly connected with the heating box.
3. The movable box type soil thermal desorption device according to claim 1, wherein: the top cap of heating cabinet be provided with the through-hole that tail gas pipe (7) are connected, and the top cap of heating cabinet and the contact position of heating cabinet are provided with the rubber pad, the outer wall of heating cabinet all is provided with thermal-insulated skin (4).
4. The movable box type soil thermal desorption device according to claim 1, wherein: the bottom four corners department of heating cabinet all installs pulley (6), pulley (6) all are provided with braking structure.
5. The movable box type soil thermal desorption device according to claim 1, wherein: the outer side of the stirring shaft (1) is provided with a helical blade, and a bearing is arranged at the joint of the stirring shaft (1) and the top cover of the heating box.
6. The movable box type soil thermal desorption device according to claim 1, wherein: sealing gaskets (12) are arranged at four corners of the bottom of the material box, the movable opening (13) is hinged with the bottom of the material box, and the movable opening (13) rotates towards the inner side of the material box along the hinge.
7. The movable box type soil thermal desorption device according to claim 1, wherein: the electric heating plates (10) are arranged on the inner wall of the material box and are evenly distributed on the inner wall, and the electric heating plates (10) are electrically connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920773017.9U CN210936434U (en) | 2019-05-27 | 2019-05-27 | Portable box soil thermal desorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920773017.9U CN210936434U (en) | 2019-05-27 | 2019-05-27 | Portable box soil thermal desorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210936434U true CN210936434U (en) | 2020-07-07 |
Family
ID=71394577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920773017.9U Expired - Fee Related CN210936434U (en) | 2019-05-27 | 2019-05-27 | Portable box soil thermal desorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210936434U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974496A (en) * | 2021-03-15 | 2021-06-18 | 江苏维诗环境科技有限公司 | Organic pollutant soil pollution remediation method and device |
| CN113070334A (en) * | 2021-04-12 | 2021-07-06 | 张月 | Solar ex-situ remediation system and method based on green energy pollution site remediation |
| CN113145628A (en) * | 2021-04-29 | 2021-07-23 | 生态环境部南京环境科学研究所 | Thermal desorption repair device for soil polluted by POPs pesticides |
| 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 |
-
2019
- 2019-05-27 CN CN201920773017.9U patent/CN210936434U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974496A (en) * | 2021-03-15 | 2021-06-18 | 江苏维诗环境科技有限公司 | Organic pollutant soil pollution remediation method and device |
| CN113070334A (en) * | 2021-04-12 | 2021-07-06 | 张月 | Solar ex-situ remediation system and method based on green energy pollution site remediation |
| CN113145628A (en) * | 2021-04-29 | 2021-07-23 | 生态环境部南京环境科学研究所 | Thermal desorption repair device for soil polluted by POPs pesticides |
| 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 |
| CN113182342B (en) * | 2021-05-19 | 2022-07-19 | 山西八建集团有限公司 | Thermal desorption prosthetic devices who pollutes soil |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 |