CN113319111A - Laminated soil in-situ thermal desorption device - Google Patents
Laminated soil in-situ thermal desorption device Download PDFInfo
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- CN113319111A CN113319111A CN202110379206.XA CN202110379206A CN113319111A CN 113319111 A CN113319111 A CN 113319111A CN 202110379206 A CN202110379206 A CN 202110379206A CN 113319111 A CN113319111 A CN 113319111A
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- sealing plate
- electric heating
- correspondingly
- lower sealing
- soil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
Abstract
The invention discloses a laminated soil in-situ thermal desorption device, which comprises an air heating well and an air outlet well, wherein the air heating well and the air outlet well are arranged at a soil remediation site; a heat removal additional heat mechanism is correspondingly arranged in each air heating well; the hot-off additional heating mechanism comprises an upper sealing plate and a lower sealing plate which correspond up and down, an electric heating rod is correspondingly installed between the upper sealing plate and the lower sealing plate, the electric heating rod is correspondingly installed on the outer edge of the upper sealing plate and the outer edge of the lower sealing plate in a circle, and the electric heating rod is installed evenly at intervals. The electric heating rod is arranged at the circle part of the outer edges of the upper sealing plate and the lower sealing plate, the heating efficiency of the electric heating rod is effectively increased, and the electric heating rod is arranged at the periphery of the electric heating rod, so that the flow of hot air and the lifting of evaporated water can be conveniently realized in a matching way; the lamination chamber of the present invention is provided in a detachable structure.
Description
Technical Field
The invention relates to soil environment-friendly treatment equipment, in particular to a laminated soil in-situ thermal desorption device.
Background
In the prior art, the soil in-situ thermal desorption technology is a technical means of heating the polluted soil, heating the sewage or other target pollutants in the polluted soil to a boiling point, so that the target pollutants are analyzed, gasified, volatilized, decomposed or increased in fluidity, and the target pollutants in the soil are separated from soil media and removed, thereby realizing the purpose of restoring the soil in the polluted site.
In the prior art, most soil in-situ thermal desorption devices are drilled in situ through a drilling machine, and an air heating well, an air injection well, an air circulation well, an extraction well and the like are usually required to be arranged, so that on one hand, the desorption devices in the prior art have more wells, and accordingly, the engineering quantity and the engineering difficulty are increased; in addition, sewage usually exists at the bottom of the well body in some areas, and the sewage cannot be well treated in the prior art, so that the working effect is poor.
Disclosure of Invention
The purpose of the invention is as follows: to the not enough of above-mentioned prior art existence, provide a range upon range of formula soil normal position thermal desorption device.
The technical scheme is as follows: in order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a laminated soil in-situ thermal desorption device comprises an air heating well and an air outlet well which are arranged at a soil remediation site; a heat removal additional heat mechanism is correspondingly arranged in each air heating well; the hot-off additional heating mechanism comprises an upper sealing plate and a lower sealing plate which correspond up and down, an electric heating rod is correspondingly installed between the upper sealing plate and the lower sealing plate, the electric heating rod is correspondingly installed on the outer edge of the upper sealing plate and the outer edge of the lower sealing plate in a circle, and the electric heating rod is installed evenly at intervals.
The lower end of the lower sealing plate is also correspondingly provided with a laminated frame plate, and a laminated chamber is correspondingly formed by the laminated frame plate; the outer side of the laminating chamber is provided with inner and outer through holes correspondingly, and the bottom of the laminating chamber is also provided with a heating element which is transversely arranged.
The upper sealing plate and the lower sealing plate are connected into a whole through a connecting rod, the upper end of the upper sealing plate is further connected with a lifting rod, the electric heating rod and the laminating chamber are placed into the air heating well through the lifting rod, and the lifting rod corresponds to the upper position and the lower position of the connecting rod.
The inside of lifter still be provided with the double-purpose air pipe, this double-purpose air pipe downwardly extending extends the connecting rod and stretches into to range upon range of room, and the upper end of double-purpose air pipe then upwards extends and correspondingly divide into two branches, the corresponding installation air injection machine of a branch road, the corresponding installation air extraction machine of another branch road then.
Preferably, the double-purpose air pipe is correspondingly provided with an electromagnetic valve, and two branches at the upper end of the double-purpose air pipe are respectively provided with an electromagnetic valve.
Preferably, six electric heating rods are arranged between the upper sealing plate and the lower sealing plate at uniform intervals; the lifting rod and the connecting rod are correspondingly arranged at the central position of the upper sealing plate; the position of the double-purpose air pipe is correspondingly arranged at the middle position of the upper sealing plate.
Preferably, the laminating chamber and the lower sealing plate are detachably mounted.
Preferably, the lower sealing plate is provided with a downward convex annular internal thread at the outer edge of the lower end, the upper end of the stacking chamber is correspondingly provided with an annular external thread, and the stacking chamber is detachably mounted through a thread structure.
Has the advantages that: compared with the prior art, the invention has the following advantages:
(1) the electric heating rod is arranged through the upper sealing plate and the lower sealing plate, the upper sealing plate and the lower sealing plate are connected into a whole through the connecting rod, and the electric heating rod is arranged at the outer edge of the upper sealing plate and the outer edge of the lower sealing plate in a circle, so that the contact area between the electric heating rod and soil can be obviously increased, the heating efficiency of the electric heating rod is effectively increased, the electric heating rod is arranged at the periphery, and the flow of hot air and the lifting of evaporated moisture can be conveniently realized in a matching manner through the peripheral structural form, and the electric heating rod is reasonable in structure and convenient to use; the stacking chamber is of a detachable structure, the stacking chamber can be integrally detached to be cleaned, internal sewage residues and the like can be taken out to be correspondingly treated, and the overall structure is more reasonable;
(2) according to the invention, the lower sealing plate is also provided with the laminated frame plate, the laminated chamber is formed by the laminated frame plate, the upper lifting rod is internally provided with the dual-purpose air pipe, one side of the upper end of the dual-purpose air pipe is connected with the air injection machine, and the other side of the upper end of the dual-purpose air pipe is connected with the air extraction machine, so that the laminated chamber is dual-purpose after being arranged; when sewage exists in the heating well and the lower part of the integral stacking chamber reaches the bottom of the well, the sewage naturally flows into the stacking chamber from the inner through hole and the outer through hole, the sewage is quickly evaporated under the action of the heating element at the bottom of the stacking chamber and the electric heating rod above the stacking chamber, and the evaporated gas can be correspondingly discharged from the dual-purpose air pipe; residues and the like are left in the laminating chamber, and the whole device is lifted and treated subsequently; and if the well bottom department does not have sewage to handle, then can pour into fresh air into to range upon range of indoor through the air injection machine, the air is heated rapidly under heating element and electrical heating rod's effect after pouring into to under the continuous effect of air injection machine, in the soil that outside was entered into to inside and outside through-hole, the formation hot air flows, thereby can accelerate the programming rate of temperature of soil, drive the heat and distribute the flow, effectual increase desorption efficiency.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a view showing the installation of the stacking chamber according to the present invention.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the stacked soil in-situ thermal desorption device comprises an air heating well 1 and an air outlet well 2 which are arranged at a soil remediation site; a heat removal additional heat mechanism is correspondingly arranged in each air heating well 1; the heat-release additional heat mechanism comprises an upper sealing plate 3 and a lower sealing plate 4 which correspond up and down, an electric heating rod 5 is correspondingly installed between the upper sealing plate 3 and the lower sealing plate 4, the electric heating rod 5 is correspondingly installed on the outer edge of the upper sealing plate 3 and the outer edge of the lower sealing plate 4 in a circle, and the electric heating rod 5 is installed evenly at intervals.
The lower end of the lower sealing plate 4 is correspondingly provided with a laminated frame plate 6, and a laminated chamber 7 is correspondingly formed by the laminated frame plate 6; the outer laminated frame plate 6 of the laminated chamber 7 is provided with inner and outer through holes 8, and the bottom of the laminated chamber 7 is also provided with a heating element 9 arranged transversely.
The upper sealing plate 3 and the lower sealing plate 4 are connected into a whole through a connecting rod 10, the upper end of the upper sealing plate 3 is also connected with and provided with a lifting rod 11, the electric heating rod 5 and the laminating chamber 7 are placed in the air heating well 1 through the lifting rod 11, and the lifting rod 11 corresponds to the upper position and the lower position of the connecting rod 10.
Inside the lifting rod 11 is also provided a double air duct 12, which double air duct 12 extends downwards through the connecting rod 10 into the lamination chamber 7, while the upper end of the double air duct 12 extends upwards and is divided into two branches, one branch being correspondingly equipped with an air injector 13 and the other branch being correspondingly equipped with an air extractor 14.
The double-purpose air pipe 12 is correspondingly provided with an electromagnetic valve 15, and two branches at the upper end of the double-purpose air pipe 12 are respectively provided with the electromagnetic valve 15.
Six electric heating rods 5 are uniformly arranged between the upper sealing plate 3 and the lower sealing plate 4 at intervals; the lifting rod 11 and the connecting rod 10 are correspondingly arranged at the central position of the upper sealing plate 3; the position of the double-use air pipe 12 is also set at the middle position of the upper sealing plate 3 accordingly.
The laminating chamber 7 and the lower sealing plate 4 are detachably mounted; the lower end outside edge of lower seal plate 4 still is provided with downward convex hoop internal thread 13, and the upper end of range upon range of room 7 then correspondingly is provided with hoop external thread 14, and range upon range of room 7 passes through helicitic texture demountable installation.
The electric heating rod is arranged through the upper sealing plate and the lower sealing plate, the upper sealing plate and the lower sealing plate are connected into a whole through the connecting rod, and the electric heating rod is arranged at the outer edge of the upper sealing plate and the outer edge of the lower sealing plate in a circle, so that the contact area between the electric heating rod and soil can be obviously increased, the heating efficiency of the electric heating rod is effectively increased, the electric heating rod is arranged at the periphery, and the flow of hot air and the lifting of evaporated moisture can be conveniently realized in a matching manner through the peripheral structural form, and the electric heating rod is reasonable in structure and convenient to use; the stacking chamber is of a detachable structure, the stacking chamber can be integrally detached to be cleaned, internal sewage residues and the like can be taken out to be correspondingly treated, and the overall structure is more reasonable.
According to the invention, the lower sealing plate is also provided with the laminated frame plate, the laminated chamber is formed by the laminated frame plate, the upper lifting rod is internally provided with the dual-purpose air pipe, one side of the upper end of the dual-purpose air pipe is connected with the air injection machine, and the other side of the upper end of the dual-purpose air pipe is connected with the air extraction machine, so that the laminated chamber is dual-purpose after being arranged; when sewage exists in the heating well and the lower part of the integral stacking chamber reaches the bottom of the well, the sewage naturally flows into the stacking chamber from the inner through hole and the outer through hole, the sewage is quickly evaporated under the action of the heating element at the bottom of the stacking chamber and the electric heating rod above the stacking chamber, and the evaporated gas can be correspondingly discharged from the dual-purpose air pipe; residues and the like are left in the laminating chamber, and the whole device is lifted and treated subsequently; and if the well bottom department does not have sewage to handle, then can pour into fresh air into to range upon range of indoor through the air injection machine, the air is heated rapidly under heating element and electrical heating rod's effect after pouring into to under the continuous effect of air injection machine, in the soil that outside was entered into to inside and outside through-hole, the formation hot air flows, thereby can accelerate the programming rate of temperature of soil, drive the heat and distribute the flow, effectual increase desorption efficiency.
The detailed description is to be construed as exemplary only and is not intended to limit the invention from practice or the scope of the appended claims, which are intended to include all equivalent variations and modifications within the scope of the invention as claimed.
Claims (5)
1. A laminated soil in-situ thermal desorption device comprises an air heating well (1) and a gas outlet well (2) which are arranged at a soil remediation site; the method is characterized in that: a heat removal additional heat mechanism is correspondingly arranged in each air heating well (1); the heat removal and heat addition mechanism comprises an upper sealing plate (3) and a lower sealing plate (4) which correspond to each other up and down, electric heating rods (5) are correspondingly arranged between the upper sealing plate (3) and the lower sealing plate (4), and the electric heating rods (5) are correspondingly arranged on the outer edges of the upper sealing plate (3) and the lower sealing plate (4) for one circle and are uniformly arranged at intervals;
the lower end of the lower sealing plate (4) is correspondingly provided with a laminated frame plate (6), and a laminated chamber (7) is correspondingly formed by the laminated frame plate (6); the outer side of the laminating chamber (7) is provided with an inner through hole and an outer through hole (8) correspondingly, and the bottom of the laminating chamber (7) is also provided with a heating element (9) which is arranged transversely;
the upper sealing plate (3) and the lower sealing plate (4) are connected into a whole through a connecting rod (10), the upper end of the upper sealing plate (3) is also connected with and provided with a lifting rod (11), the electric heating rod (5) and the laminating chamber (7) are placed into the air heating well (1) through the lifting rod (11), and the lifting rod (11) corresponds to the upper position and the lower position of the connecting rod (10);
the inside of lifter (11) still be provided with double-purpose air pipe (12), this double-purpose air pipe (12) downwardly extending extends connecting rod (10) and stretches into range upon range of room (7), and the upper end of double-purpose air pipe (12) then upwards extends and is divided into two branches respectively, the corresponding installation air injection machine (13) of a branch, the corresponding installation air extractor (14) of another branch.
2. The stacked soil in-situ thermal desorption device according to claim 1, wherein: the double-purpose air pipe (12) on correspondingly install solenoid valve (15) and double-purpose air pipe (12) two branches of upper end on install solenoid valve (15) respectively.
3. The stacked soil in-situ thermal desorption device according to claim 1, wherein: six electric heating rods (5) with uniform intervals are arranged between the upper sealing plate (3) and the lower sealing plate (4); the lifting rod (11) and the connecting rod (10) are correspondingly arranged at the central position of the upper sealing plate (3); the position of the double-purpose air pipe (12) is correspondingly arranged at the middle position of the upper sealing plate (3).
4. The stacked soil in-situ thermal desorption device according to claim 1, wherein: the laminating chamber (7) and the lower sealing plate (4) are detachably mounted.
5. The stacked soil in-situ thermal desorption device according to claim 4, wherein: the lower end outer side edge of the lower sealing plate (4) is further provided with downward convex annular internal threads (16), the upper end of the stacking chamber (7) is correspondingly provided with annular external threads (17), and the stacking chamber (7) is detachably mounted through a thread structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110379206.XA CN113319111B (en) | 2021-04-08 | 2021-04-08 | Laminated soil in-situ thermal desorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110379206.XA CN113319111B (en) | 2021-04-08 | 2021-04-08 | Laminated soil in-situ thermal desorption device |
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| Publication Number | Publication Date |
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| CN113319111A true CN113319111A (en) | 2021-08-31 |
| CN113319111B CN113319111B (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110379206.XA Active CN113319111B (en) | 2021-04-08 | 2021-04-08 | Laminated soil in-situ thermal desorption device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513347A (en) * | 2011-12-22 | 2012-06-27 | 天津生态城环保有限公司 | Method for treating contaminated soil by combining in-situ heat strengthening and soil vapor extraction technology |
| CN106734153A (en) * | 2017-01-18 | 2017-05-31 | 北京高能时代环境技术股份有限公司 | For thermal desorption processing system in situ and method that contaminated soil is carried out with heat exchange pattern |
| WO2017219792A1 (en) * | 2016-06-23 | 2017-12-28 | 北京建工环境修复股份有限公司 | In situ repair system and method for in situ injection - high pressure rotary jet injection in soil and groundwater |
| CN109351766A (en) * | 2018-11-30 | 2019-02-19 | 中冶南方都市环保工程技术股份有限公司 | Contaminated soil combustion gas original position thermal desorption repair system |
| KR101995207B1 (en) * | 2018-10-02 | 2019-10-17 | 주식회사 효림 | Multi-contaminated soil remediation system by in situ thermal desorption for high temperature heat injection and extraction and oxidation and washing of organic acid |
| CN211330715U (en) * | 2019-12-03 | 2020-08-25 | 上海康恒环境修复有限公司 | Soil normal position thermal desorption electric heater unit |
-
2021
- 2021-04-08 CN CN202110379206.XA patent/CN113319111B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513347A (en) * | 2011-12-22 | 2012-06-27 | 天津生态城环保有限公司 | Method for treating contaminated soil by combining in-situ heat strengthening and soil vapor extraction technology |
| WO2017219792A1 (en) * | 2016-06-23 | 2017-12-28 | 北京建工环境修复股份有限公司 | In situ repair system and method for in situ injection - high pressure rotary jet injection in soil and groundwater |
| CN106734153A (en) * | 2017-01-18 | 2017-05-31 | 北京高能时代环境技术股份有限公司 | For thermal desorption processing system in situ and method that contaminated soil is carried out with heat exchange pattern |
| KR101995207B1 (en) * | 2018-10-02 | 2019-10-17 | 주식회사 효림 | Multi-contaminated soil remediation system by in situ thermal desorption for high temperature heat injection and extraction and oxidation and washing of organic acid |
| CN109351766A (en) * | 2018-11-30 | 2019-02-19 | 中冶南方都市环保工程技术股份有限公司 | Contaminated soil combustion gas original position thermal desorption repair system |
| CN211330715U (en) * | 2019-12-03 | 2020-08-25 | 上海康恒环境修复有限公司 | Soil normal position thermal desorption electric heater unit |
Non-Patent Citations (1)
| Title |
|---|
| 王殿二等: "有机污染土壤原位热脱附及尾气处理研究进展", 《现代化工》 * |
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| CN113319111B (en) | 2022-05-03 |
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