CN216027044U - Pyrolysis device for thermal desorption soil restoration - Google Patents
Pyrolysis device for thermal desorption soil restoration Download PDFInfo
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- CN216027044U CN216027044U CN202122018186.1U CN202122018186U CN216027044U CN 216027044 U CN216027044 U CN 216027044U CN 202122018186 U CN202122018186 U CN 202122018186U CN 216027044 U CN216027044 U CN 216027044U
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Abstract
The utility model discloses a pyrolysis device for thermal desorption soil remediation, which comprises a thermal desorption roller, wherein one end of the thermal desorption roller is provided with a burner, the other end of the thermal desorption roller is connected with a sealed conveyor belt, the thermal desorption roller is connected with an exhaust gas pipe, the exhaust gas pipe is connected with a dust removal mechanism, the dust removal mechanism is connected with a cooling mechanism, the cooling mechanism is connected with an adsorption mechanism, and the absorption mechanism is connected with a discharge tower. The device can effectively remove dust generated by the device and separate different gases in the waste gas through different steps.
Description
Technical Field
This reality I relate to a soil treatment device, in particular to thermal desorption soil is restoreed and is used pyrolysis device.
Background
Thermal desorption refers to a process of separating organic pollutants and metallic mercury in polluted soil by heating and volatilizing the organic pollutants and the metallic mercury through a direct or indirect heat exchange mode, and effectively collecting and treating volatilized pollutants. The thermal desorption system comprises a pretreatment and feeding unit, a thermal desorption chamber, an exhaust condensation, separation and treatment system
The thermal desorption in China refers to a process of separating organic pollutants, metallic mercury and the like in polluted soil by heating and volatilizing the organic pollutants, the metallic mercury and the like in the polluted soil through a direct or indirect heat exchange mode, and effectively collecting and treating volatilized pollutants. The thermal desorption system comprises a pretreatment and feeding unit, a thermal desorption chamber, an exhaust condensation and separation and treatment system, and has the problems of low equipment applicability, high running cost and the like, the knowledge of different pollutants is not enough, the generation of other byproducts can be caused by the improper parameter combination, particularly dioxin can be generated in the treatment process of chlorine-containing organic matters, and the control of new pollution sources such as noise, dust emission and dust pollution in soil remediation engineering is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pyrolysis device for thermal desorption soil remediation, which can effectively remove dust generated by the pyrolysis device and separate different gases in waste gas through different steps.
The technical purpose of the utility model is realized by the following technical scheme:
the utility model provides a thermal desorption pyrolysis device for soil restoration, includes the thermal desorption cylinder, the combustor is installed to thermal desorption cylinder one end, and the other end is connected with sealed conveyer belt, its characterized in that, the thermal desorption cylinder is connected with the exhaust pipe, the exhaust pipe is connected with dust removal mechanism, dust removal mechanism is connected with cooling body, cooling body is connected with adsorption apparatus and constructs, adsorption apparatus constructs and is connected with the emission tower.
Adopt above-mentioned technical scheme, soil enters into the desorption cylinder through sealed conveyer belt in, the combustor burns it and heats for harmful substance gasification becomes waste gas, and waste gas enters into the dust removal mechanism through the exhaust pipe and gives the dust that contains in with waste gas and handle, and including the dioxin liquefaction and collect the harmful gas in with the gas through cooling body again, and remaining gas passes through adsorption apparatus and constructs, adsorbs the pollutant, discharges through the emission tower at last.
Preferably, the dust removal mechanism comprises a cyclone dust collector and a bag-type dust collector, the cyclone dust collector is connected with the exhaust gas pipe, and a first connecting pipe is connected between the bag-type dust collector and the cyclone dust collector.
By adopting the technical scheme, the cyclone dust collector and the bag-type dust collector are used for double dust removal, so that the treatment efficiency of dust in air is effectively improved.
Preferably, the cooling mechanism comprises a spraying box, an atomizing cooling tower and a condensation cooler, a second connecting pipe is connected between one end of the spraying box and the bag-type dust collector, the other end of the spraying box is communicated with the bottom of the atomizing cooling tower, and a third connecting pipe is connected with the upper end of the atomizing cooling tower and the condensation cooler.
Adopt above-mentioned technical scheme, the case that sprays gas for partly can be dissolved in water gas in the waste gas is separated out, through atomizing cooling tower, makes some high earlier of liquefaction temperature be separated out, separates out the gas that the temperature is low through condensation cooler.
Preferably, adsorption equipment includes the adsorption tank, be equipped with a plurality of active carbon adsorption boards in the adsorption tank, the distance equals between the active carbon adsorption board, and adsorption tank one end is connected with the condensation cooler, and the other end is connected with the emission tower bottom.
By adopting the technical scheme, the substances in the waste gas are absorbed by the active carbon in the adsorption box.
Preferably, a plurality of spray heads are installed in the spray box, the spray heads are connected with water pipes, the water pipes are connected with water tanks, and water pumps are installed on the water pipes.
By adopting the technical scheme, the water pump pumps water from the water tank and enters the spray header through the water pipe, so that the spray header sprays water to spray gas.
Preferably, the end of the sealed conveyor belt far away from the thermal desorption roller is provided with a bin.
Adopt above-mentioned technical scheme, contaminated soil is placed to the feed bin.
Preferably, the spray nozzle of the spray header is obliquely arranged, the spray header is rotatably connected with the upper wall of the spray box, the side surface of the spray header is fixedly connected with a first gear, the spray box is fixedly connected with a motor, an output shaft of the motor penetrates through the spray box and is fixedly connected with a second gear, and the first gear is meshed with the second gear.
By adopting the technical scheme, the motor drives the gear to rotate, so that the spray head can rotate to spray on the upper wall of the spray box, and the spray effect is effectively improved.
Drawings
Fig. 1 is a perspective view of the utility model;
fig. 2 is a schematic diagram of the internal structure of the spray box of the utility model.
Reference numerals: 1. a thermal desorption drum; 2. a burner; 3. sealing the conveyor belt; 4. an exhaust gas pipe; 5. a cyclone dust collector; 6. a first connecting pipe; 7. a bag-type dust collector; 8. a spray box; 9. an atomizing cooling tower; 10. a condensation cooler; 11. an adsorption tank; 12. a discharge tower; 13. a shower head; 14. a water pipe; 15. a water pump; 16. a water tank; 17. a motor; 18. a second gear; 19. and a first gear.
Detailed Description
The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model.
If fig. 1 and fig. 2, a pyrolysis device for thermal desorption soil restoration, including thermal desorption cylinder 1, combustor 2 is installed to 1 one end of thermal desorption cylinder, the other end is connected with sealed conveyer belt 3, sealed conveyer belt 3 keeps away from that end of thermal desorption cylinder 1 and is equipped with the feed bin, the feed bin is used for placing contaminated soil, thermal desorption cylinder 1 is connected with exhaust gas pipe 4, exhaust gas pipe 4 is connected with dust removal mechanism, dust removal mechanism includes cyclone 5 and sack cleaner 7, cyclone 5 is connected with exhaust gas pipe 4, be connected with connecting pipe 6 between sack cleaner 7 and the cyclone 5, remove dust through cyclone 5 and 7 duality of sack cleaner, the treatment effeciency to dust in the air has effectively been improved.
The dust removal mechanism is connected with a cooling mechanism, the cooling mechanism comprises a spray box 8, an atomization cooling tower 9 and a condensation cooler 10, a second connecting pipe is connected between one end of the spray box 8 and the bag-type dust collector 7, a plurality of spray heads 13 are installed in the spray box 8, the spray heads 13 are connected with a water pipe 14, the water pipe 14 is connected with a water tank 16, a water pump 15 is installed on the water pipe 14, nozzles of the spray heads 13 are obliquely arranged, the spray heads 13 are rotatably connected with the upper wall of the spray box 8, a first gear 19 is fixedly connected to the side surfaces of the spray heads 13, a motor 17 is fixedly connected with the spray box 8, an output shaft of the motor 17 penetrates through the spray box 8 and is fixedly connected with a second gear 18, the first gear 19 is meshed with the second gear 18, the motor 17 drives the first gear 19 to rotate, so that the spray heads 13 rotatably spray on the upper wall of the spray box 8, the spray effect is effectively improved, the water pump 15 pumps water from the water tank 16 and enters the spray heads 13 through the water pipe 14, make shower head 13 spray water, spray gas, 8 other ends of spray box and 9 bottoms of atomizing cooling tower communicate, atomizing cooling tower 9 upper end is connected with connecting pipe three with condensation cooler 10, spray box 8 sprays gas, make partly water-soluble gas in the waste gas be isolated, through atomizing cooling tower 9, make some high earlier isolated of liquefaction temperature, the low gas separation of temperature will be changed through condensation cooler 10, install rotary seal circle between shower head 13 and water pipe 14.
Cooling body is connected with adsorption device, and adsorption equipment includes adsorption tank 11, is equipped with a plurality of active carbon adsorption boards in the adsorption tank 11, and the distance equals between the active carbon adsorption board, and 11 one end of adsorption tank are connected with condensation cooler 10, and the other end is connected with emission tower 12 bottom, absorbs the material in the waste gas through the active carbon in the adsorption tank 11.
Utility model's theory of operation: soil enters into the desorption cylinder through sealed conveyer belt 3 in, combustor 2 burns the heating to it, make the gasification of harmful substance become waste gas, waste gas enters into sack cleaner 7 through exhaust pipe 4 and gives with the dust that contains in the waste gas with cyclone 5 and handles, and spray box 8 to gas again, make in the waste gas partly can be dissolved in water gas by the separation, at process atomizing cooling tower 9, make some high by the separation earlier of liquefaction temperature, at the gas separation that will change the low temperature of condensation cooler 10, remaining gas passes through the active carbon adsorption plate in the adsorption box 11, adsorb the pollutant, discharge through emission tower 12 at last.
Claims (7)
1. The utility model provides a thermal desorption pyrolysis device for soil restoration, includes thermal desorption cylinder (1), combustor (2) are installed to thermal desorption cylinder (1) one end, and the other end is connected with sealed conveyer belt (3), its characterized in that, thermal desorption cylinder (1) are connected with exhaust pipe (4), exhaust pipe (4) are connected with dust removal mechanism, dust removal mechanism is connected with cooling body, cooling body is connected with adsorption apparatus and constructs, adsorption apparatus constructs and is connected with emission tower (12).
2. The pyrolysis device for thermal desorption soil remediation according to claim 1, wherein the dust removal mechanism comprises a cyclone dust collector (5) and a bag-type dust collector (7), the cyclone dust collector (5) is connected with the exhaust pipe (4), and a first connecting pipe (6) is connected between the bag-type dust collector (7) and the cyclone dust collector (5).
3. The thermal desorption soil restoration pyrolysis device according to claim 1, wherein the cooling mechanism comprises a spray box (8), an atomization cooling tower (9) and a condensation cooler (10), a second connecting pipe is connected between one end of the spray box (8) and the bag-type dust remover (7), the other end of the spray box (8) is communicated with the bottom of the atomization cooling tower (9), and a third connecting pipe is connected between the upper end of the atomization cooling tower (9) and the condensation cooler (10).
4. The thermal desorption soil restoration pyrolysis device according to claim 1, wherein the adsorption mechanism comprises an adsorption tank (11), a plurality of activated carbon adsorption plates are arranged in the adsorption tank (11), the activated carbon adsorption plates are arranged at equal distances, one end of the adsorption tank (11) is connected with the condensation cooler (10), and the other end of the adsorption tank is connected with the bottom of the discharge tower (12).
5. The pyrolysis device for thermal desorption soil remediation according to claim 3, wherein a plurality of spray headers (13) are installed in the spray box (8), the spray headers (13) are connected with water pipes (14), the water pipes (14) are connected with water tanks (16), and the water pipes (14) are provided with water pumps (15).
6. A pyrolysis device for thermal desorption soil remediation according to claim 5, wherein the end of the sealed conveyor belt (3) away from the thermal desorption roller (1) is provided with a bin.
7. The pyrolysis device for thermal desorption soil remediation according to claim 6, wherein a nozzle of the spray head (13) is arranged obliquely, the spray head (13) is rotatably connected with the upper wall of the spray box (8), a first gear (19) is fixedly connected to the side surface of the spray head (13), a motor (17) is fixedly connected to the spray box (8), an output shaft of the motor (17) penetrates through the spray box (8) and is fixedly connected with a second gear (18), and the first gear (19) is meshed with the second gear (18).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122018186.1U CN216027044U (en) | 2021-08-25 | 2021-08-25 | Pyrolysis device for thermal desorption soil restoration |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122018186.1U CN216027044U (en) | 2021-08-25 | 2021-08-25 | Pyrolysis device for thermal desorption soil restoration |
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| CN216027044U true CN216027044U (en) | 2022-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115582413A (en) * | 2022-09-29 | 2023-01-10 | 董浩 | Soil remediation machine with automatic feeding function and using method thereof |
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2021
- 2021-08-25 CN CN202122018186.1U patent/CN216027044U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115582413A (en) * | 2022-09-29 | 2023-01-10 | 董浩 | Soil remediation machine with automatic feeding function and using method thereof |
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