CN209773053U - Portable soil thermal desorption system - Google Patents
Portable soil thermal desorption system Download PDFInfo
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- CN209773053U CN209773053U CN201822007522.0U CN201822007522U CN209773053U CN 209773053 U CN209773053 U CN 209773053U CN 201822007522 U CN201822007522 U CN 201822007522U CN 209773053 U CN209773053 U CN 209773053U
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Abstract
The utility model discloses a portable soil thermal desorption system, which is suitable for soil piles formed by soil piles, and comprises a sealing film, a heat preservation layer, an electric heating assembly and a permeation tube, wherein the sealing film covers the surface of the soil piles, and the heat preservation layer covers the surface of the sealing film; the heating assembly comprises a plurality of electric heating sheets and a heating plate, a plurality of slots are formed in the heating plate, the electric heating sheets are inserted into the slots, the heating plate is obliquely inserted into the soil pile, and the permeation tubes are positioned on the upper side and the lower side of the heating plate and are horizontally arranged; the end parts of the permeation tube and the electric heating sheet extend out of the sealing film and the heat insulation layer, and the end part of the electric heating sheet is provided with a wiring terminal for connecting an external power supply. A thermal desorption treatment space such as a static pressure chamber does not need to be dug on the site, so that the cost of thermal desorption treatment is reduced; the heating assemblies are stacked and arranged, so that the heating assemblies are vertically distributed in a plurality of layers in the soil pile, and all positions in the soil pile can be fully treated.
Description
Technical Field
The utility model relates to a soil remediation field, concretely designs a portable soil thermal desorption system.
Background
Thermal desorption is also called thermal desorption, and as a non-combustion technology, the method has the advantages of wide pollutant treatment range, movable equipment and capability of reusing the repaired soil, particularly, the method can avoid the generation of dioxin in the treatment mode of non-oxidative combustion of chlorine-containing organic matters, and is widely used for repairing the soil polluted by organic pollutants.
Thermal desorption is a heat treatment process in which organic contaminants in the soil are heated by heat exchange to a temperature sufficient to volatilize or separate the contaminants from the soil particles and enter the gas treatment system.
The existing domestic common thermal desorption treatment technology is mainly an ex-situ thermal desorption technology, namely, after the polluted soil is transferred to a treatment field by excavation, the polluted soil is treated in a continuous or intermittent mode, generally used equipment occupies a large area, and when the polluted field of a city relocation factory is repaired, the available hardened empty space at the periphery is small, and the treatment nearby the polluted field is difficult, so that the technology has the risks of large construction difficulty, high cost or social group form events for fields which cannot be excavated or have long transportation distances and fields which can generate large peculiar smell in the excavation process.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a cost is lower, construction convenience's portable soil thermal desorption system.
In order to solve the technical problem, the utility model discloses a technical scheme be: a portable soil thermal desorption system is suitable for a soil pile formed by soil piling and comprises a sealing film, a heat insulation layer, an electric heating assembly and a permeation tube, wherein the sealing film covers the surface of the soil pile, and the heat insulation layer covers the surface of the sealing film; the heating assembly comprises a plurality of electric heating sheets and a heating plate, a plurality of slots are formed in the heating plate, the electric heating sheets are inserted into the slots, the heating plate is obliquely inserted into the soil pile, and the permeation tubes are positioned on the upper side and the lower side of the heating plate and are horizontally arranged; the end parts of the permeation tube and the electric heating sheet extend out of the sealing film and the heat insulation layer, and the end part of the electric heating sheet is provided with a wiring terminal for connecting an external power supply.
Further, heating element still includes bottom aluminum plate, and the electrical heating piece is fixed on bottom aluminum plate, bottom aluminum plate and the laminating of hot plate.
Furthermore, the upper and lower surfaces of the electric heating sheet are provided with bottom aluminum plates.
Furthermore, the permeation tube is arranged in the middle of the soil pile and is provided with a corrugated pipe, annular wave crests and wave troughs, and air holes are formed in the wave troughs.
According to the above technical scheme, the utility model has the advantages of it is following: the soil is directly stacked into a soil pile, and the soil pile is internally provided with the heating pipe and the permeation pipe to heat the soil and discharge pollutants in the soil, so that a thermal desorption treatment space such as a static pressure chamber does not need to be dug on the site, and the cost of thermal desorption treatment is reduced; the heating assemblies are stacked and arranged, so that the heating assemblies are vertically distributed in a plurality of layers in the soil pile, and all positions in the soil pile can be fully treated.
Drawings
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is a schematic structural view of the permeation tube of the present invention.
FIG. 3 is a schematic structural view of the heating plate of the present invention
Reference numerals: 1-muck pile, 2-sealing film, 3-insulating layer, 4-permeation tube, 5-heating plate, 6-bottom aluminum plate, 7-electric heating sheet, 8-connecting terminal, 41-wave crest, 42-air vent and 43-wave trough.
Detailed Description
The following description will specifically explain embodiments of the present invention with reference to the accompanying drawings.
As shown in figure 1, the utility model discloses a portable soil thermal desorption system is applicable to the dregs heap 1 that soil stacked becomes, and dregs heap 1 can pile into the toper. Thermal desorption system includes seal membrane 2, heat preservation 3, electric heating element and infiltration pipe 4, seal membrane 2 covers the surface at soil mound, and the seal membrane can be made by PE or rubber material, and it covers the surface at soil mound, prevents that the gas that produces in the soil from leaking. The heat-insulating layer covers the surface of the sealing film and can be made of cotton fabric and the like.
the heating assembly is shown in fig. 3 and comprises a plurality of electric heating plates 7 and a heating plate 5, wherein the heating plate is made of metal with better heat conductivity, such as an aluminum plate, and the heating plate mainly plays a role in heat conduction and conducts heat generated by the electric heating plate into soil. The heating plate 5 is provided with a plurality of slots, the electric heating sheets are inserted into the slots, the heating plate is obliquely inserted into the soil pile, and the permeation tubes 4 are positioned at the upper side and the lower side of the heating plate and are horizontally arranged; the ends of the permeation tube 4 and the electric heating sheet extend out of the sealing film and the heat insulation layer, and a wiring terminal 8 is arranged at the end of the electric heating sheet and used for connecting an external power supply. Heating element still includes bottom aluminum plate 6, and electric heating plate 7 is fixed on bottom aluminum plate 6, bottom aluminum plate 6 and the laminating of hot plate. The upper surface and the lower surface of each electric heating piece 7 are provided with bottom aluminum plates 6. The bottom aluminum plate is made of aluminum and has good thermal conductivity. And it has certain intensity, when inserting in the slot, can avoid the damage of electric heating plate. Each electric heating piece can work independently, and when one of the electric heating pieces is in order to fail, the work of other electric heating pieces is not influenced.
The permeation tube is a corrugated tube in the middle of the soil pile, the specific structure of the permeation tube is shown in fig. 2, the outer peripheral surface of the permeation tube is provided with annular wave crests 41 and wave troughs 42, and the wave troughs are provided with air holes 43. The infiltration pipe sets up automatic ash removal device, and the infiltration pipe both sides set up jetting import and export respectively, and every certain time (specific time is adjusted by time relay to the biggest time of deposition volume during the debugging is the standard) inlet port department valve is opened, provides a pulse air current and jets the infiltration pipe, even make intraductal deposition discharge from the export, avoids the system to block up the influence result of use.
Claims (3)
1. The utility model provides a portable soil thermal desorption system, is applicable to the soil heap of piling up the one-tenth of soil, including seal membrane, heat preservation, electrical heating subassembly and infiltration pipe, the seal membrane covers the surface of piling up at soil, and the heat preservation covers its characterized in that at the surface of seal membrane: the heating assembly comprises a plurality of electric heating sheets and a heating plate, a plurality of slots are formed in the heating plate, the electric heating sheets are inserted into the slots, the heating plate is obliquely inserted into the soil pile, and the permeation tubes are positioned on the upper side and the lower side of the heating plate and are horizontally arranged; the end parts of the permeation tube and the electric heating sheet extend out of the sealing film and the heat insulation layer, and the end part of the electric heating sheet is provided with a wiring terminal for connecting an external power supply; the heating assembly further comprises a bottom aluminum plate, the electric heating sheet is fixed on the bottom aluminum plate, and the bottom aluminum plate is attached to the heating plate.
2. The portable thermal soil desorption system of claim 1 wherein: the upper and lower surfaces of the electric heating sheet are provided with bottom aluminum plates.
3. The portable thermal soil desorption system of claim 1 wherein: the permeation tube is arranged in the middle of the soil pile and is provided with a corrugated pipe, annular wave crests and wave troughs, and air holes are formed in the wave troughs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822007522.0U CN209773053U (en) | 2018-11-30 | 2018-11-30 | Portable soil thermal desorption system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822007522.0U CN209773053U (en) | 2018-11-30 | 2018-11-30 | Portable soil thermal desorption system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209773053U true CN209773053U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822007522.0U Active CN209773053U (en) | 2018-11-30 | 2018-11-30 | Portable soil thermal desorption system |
Country Status (1)
| Country | Link |
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| CN (1) | CN209773053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122327A (en) * | 2020-08-20 | 2020-12-25 | 杨晓秋 | Prosthetic devices based on soil thermal desorption repair technique |
-
2018
- 2018-11-30 CN CN201822007522.0U patent/CN209773053U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122327A (en) * | 2020-08-20 | 2020-12-25 | 杨晓秋 | Prosthetic devices based on soil thermal desorption repair technique |
| CN112122327B (en) * | 2020-08-20 | 2022-02-22 | 广州市番禺环境工程有限公司 | Prosthetic devices based on soil thermal desorption repair technique |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200730 Address after: 435003 R & D office building 201, building B, 189 Jinshan Avenue, Huangshi economic and Technological Development Zone, Hubei Province Patentee after: HUBEI HUIYI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 435003 No. 16 Guilin North Road, Hubei, Huangshi Patentee before: HUBEI POLYTECHNIC University |