CN220026525U - Tail gas purifying equipment of garbage low-temperature pyrolysis furnace - Google Patents
Tail gas purifying equipment of garbage low-temperature pyrolysis furnace Download PDFInfo
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- CN220026525U CN220026525U CN202321422639.XU CN202321422639U CN220026525U CN 220026525 U CN220026525 U CN 220026525U CN 202321422639 U CN202321422639 U CN 202321422639U CN 220026525 U CN220026525 U CN 220026525U
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- purifying
- tail gas
- pipe
- tank
- pyrolysis furnace
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 27
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 28
- 238000001179 sorption measurement Methods 0.000 claims abstract description 28
- 238000005507 spraying Methods 0.000 claims abstract description 22
- 238000000746 purification Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 10
- 239000007921 spray Substances 0.000 description 8
- 238000009413 insulation Methods 0.000 description 5
- 238000002309 gasification Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001233242 Lontra Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of garbage treatment equipment, and particularly discloses tail gas purifying equipment of a garbage low-temperature pyrolysis furnace, which comprises a purifying tank and a purifying cylinder arranged in the purifying tank; an input pipe extending into the purifying cylinder is arranged on the purifying tank, and the air inlet end of the input pipe is connected with a heat exchange mechanism; the bottom of the purifying cylinder is connected with a supporting plate, the bottom of the supporting plate is provided with a liquid storage cavity, the bottom of the purifying cylinder is provided with a filtering area, a plurality of filtering holes are formed in the filtering area, an air outlet cavity is formed between the purifying cylinder and the purifying tank, the purifying tank is connected with an output pipe communicated with the air outlet cavity, and the air outlet end of the output pipe is connected with an adsorption mechanism; according to the utility model, the purifying cylinder, the filtering area, the spiral blade and the spraying mechanism are matched, so that the tail gas can be filtered after being sprayed, part of impurities in the tail gas can be taken away during spraying, and then the tail gas is filtered again, the spiral blade can increase the contact stroke of the tail gas and spraying liquid, promote the flow of the tail gas, and also can scrape residual impurities on the inner wall of the filtering area, so that the blockage is reduced.
Description
Technical Field
The utility model relates to the technical field of garbage treatment equipment, in particular to tail gas purifying equipment of a garbage low-temperature pyrolysis furnace.
Background
The low-temperature pyrolysis furnace can carry out pyrolysis gasification reaction on garbage under the anoxic condition, household garbage is placed into the pyrolysis gasification furnace, garbage at the bottom layer of the gasification furnace is ignited, the garbage at the bottom layer can generate oxidation reaction to release heat, the garbage at the upper layer can be dried by upward flowing of gas with heat, and the garbage at the upper layer can be heated for decomposition to generate reduction reaction after a period of time. The tail gas output by the low-temperature pyrolysis furnace needs to be adsorbed, so that pollution caused by direct discharge is avoided.
In the tail gas purification system of the garbage low-temperature pyrolysis furnace disclosed in the prior patent publication No. CN217402591U, the tail gas purification system comprises a tail gas purification system main body, a base is fixedly connected to the lower surface of the tail gas purification system main body, a heat insulation box is fixedly connected to the upper surface of the base, a heat conduction box is fixedly connected to the inner wall of the heat insulation box, a heat conduction coil is fixedly communicated with the top end of the heat conduction box, the top end of the heat conduction coil penetrates through the upper surface of the heat insulation box, the output end of the heat conduction coil is fixedly communicated with a conveying pipe, the output end of the conveying pipe is fixedly communicated with the air inlet end of the tail gas purification system main body, an exhaust interface is fixedly communicated with the upper surface of the heat insulation box, and an air inlet interface is fixedly communicated with the bottom end of the heat insulation box; after the tail gas of the garbage low-temperature pyrolysis furnace enters the heat conduction box through the smoke pipe and the valve, large-particle impurities contained in the tail gas are trapped by the filter screen plate, the high-temperature-resistant rubber pad and the high-temperature-resistant sponge block, then the cleaner tail gas enters the heat conduction coil, and then heat in the tail gas is dissipated by the heat conduction box and the heat conduction coil.
Above-mentioned rubbish low temperature pyrolysis furnace tail gas clean-up system can carry out purification treatment to tail gas, but when handling, filters otter board, high temperature resistant rubber pad and high temperature resistant sponge piece and filters the tail gas, and remaining impurity is inconvenient for the clearance, influences the continuous treatment of follow-up tail gas, needs to improve. Aiming at the problems, the tail gas purifying equipment of the garbage low-temperature pyrolysis furnace is provided.
Disclosure of Invention
The utility model aims to provide tail gas purifying equipment of a garbage low-temperature pyrolysis furnace, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a tail gas purifying device of a garbage low-temperature pyrolysis furnace comprises a purifying tank and a purifying cylinder arranged in the purifying tank;
an input pipe extending into the purifying cylinder is arranged on the purifying tank, and the air inlet end of the input pipe is connected with a heat exchange mechanism;
the bottom of the purifying cylinder is connected with a supporting plate, a liquid storage cavity is arranged at the bottom of the supporting plate, a filtering area is arranged at the bottom of the purifying cylinder, a plurality of filtering holes are formed in the filtering area, an air outlet cavity is formed between the purifying cylinder and the purifying tank, an output pipe communicated with the air outlet cavity is connected to the purifying tank, and an air outlet end of the output pipe is connected with an adsorption mechanism;
the purifying device is characterized in that a central rod is arranged in the purifying cylinder, a driving mechanism for driving the central rod to rotate is arranged at the top of the purifying cylinder, a spiral blade matched with the inner wall of the purifying cylinder is arranged on the central rod, and a spraying mechanism for spraying to the inner cavity of the purifying cylinder is arranged on the purifying cylinder.
In one alternative: the heat exchange mechanism comprises a spiral pipe arranged in the buffer tank, the air inlet end of the spiral pipe is connected with an air inlet pipe, the air outlet end of the spiral pipe is connected with an input pipe, the top of the buffer tank is connected with a liquid outlet pipe, and the bottom of the buffer tank is connected with a liquid inlet pipe.
In one alternative: the adsorption mechanism comprises an adsorption box, the output pipe is connected with the adsorption box, an exhaust pipe is arranged on one side, far away from the output pipe, of the adsorption box, and a plurality of adsorption plates are arranged in the adsorption box.
In one alternative: the driving mechanism comprises a motor arranged at the top of the purifying tank, and a motor shaft of the power output end of the motor is connected with the central rod.
In one alternative: the spraying mechanism comprises an annular pipe arranged at the top of the purifying tank, the bottom of the annular pipe is connected with a plurality of spraying heads, the spraying heads extend to the inner cavity of the purifying tank, and the liquid inlet end of the annular pipe is connected with a liquid feeding pipe.
In one alternative: the side wall of the purifying tank is provided with a liquid discharge pipe communicated with the liquid storage cavity.
In one alternative: two groups of filter screens are arranged on the supporting plate.
In one alternative: the position on the outer wall of the spiral blade corresponding to the filtering area is connected with a hairbrush, and the hairbrush is in contact with the inner wall of the filtering area.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the purifying cylinder, the filtering area, the spiral blades and the spraying mechanism are cooperatively arranged, so that the tail gas can be filtered after being sprayed, part of impurities in the tail gas can be taken away during spraying, and then the tail gas is filtered again, the spiral blades can increase the contact stroke of the tail gas and spraying liquid, promote the flow of the tail gas, and also can scrape the impurities remained on the inner wall of the filtering area, so that the blockage is reduced;
the heat exchange mechanism can recover heat in the tail gas, and is convenient for separating out liquid in the tail gas;
the adsorption mechanism can re-adsorb the purified tail gas, and the tail gas purification effect is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the inside of the purification tank in the present utility model.
Fig. 3 is a schematic view of the structure of the buffer tank in the present utility model.
In the figure: 11. a purification tank; 12. a buffer tank; 13. an adsorption box; 14. a purifying cylinder; 15. a filtration zone; 16. a support plate; 17. a filter screen; 18. a liquid discharge pipe; 19. an input tube; 20. an output pipe; 21. a central rod; 22. a helical blade; 23. a motor; 24. an annular tube; 25. a liquid feeding pipe; 26. a spray header; 27. an air inlet pipe; 28. a spiral tube; 29. a liquid inlet pipe; 30. and a liquid outlet pipe.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Example 1
Referring to fig. 1 to 3, in an embodiment of the present utility model, a waste low temperature pyrolysis furnace exhaust gas purifying apparatus includes a purifying tank 11 and a purifying cylinder 14 disposed in the purifying tank 11;
an input pipe 19 extending into the purifying cylinder 14 is arranged on the purifying tank 11, and the air inlet end of the input pipe 19 is connected with a heat exchange mechanism; the tail gas is input into the purifying cylinder 14 from the input pipe 19 for purifying treatment;
the bottom of the purifying cylinder 14 is connected with the supporting plate 16, a liquid storage cavity is arranged at the bottom of the supporting plate 16, a filtering area 15 is arranged at the bottom of the purifying cylinder 14, a plurality of filtering holes are formed in the filtering area 15, an air outlet cavity is formed between the purifying cylinder 14 and the purifying tank 11, an output pipe 20 communicated with the air outlet cavity is connected to the purifying tank 11, and an air outlet end of the output pipe 20 is connected with an adsorption mechanism; the tail gas enters the purifying cylinder 14 and can be filtered and discharged from the filtering area 15 to the air outlet cavity, and then is treated again through the adsorption mechanism;
the inside of the purifying cylinder 14 is provided with a center rod 21, the top of the purifying cylinder 11 is provided with a driving mechanism for driving the center rod 21 to rotate, the center rod 21 is provided with a spiral blade 22 matched with the inner wall of the purifying cylinder 14, and the purifying cylinder 11 is provided with a spraying mechanism for spraying to the inner cavity of the purifying cylinder 14;
the driving mechanism drives the center rod 21 to rotate, so that the spiral blade 22 can be driven to rotate, the spiral blade 22 can increase the contact stroke of the tail gas and the spray liquid, the flow of the tail gas is promoted, and the spiral blade 22 can also scrape the residual impurities on the inner wall of the filtering area 15, so that the blockage is reduced.
The heat exchange mechanism comprises a spiral pipe 28 arranged in the buffer tank 12, the air inlet end of the spiral pipe 28 is connected with an air inlet pipe 27, the air outlet end of the spiral pipe 28 is connected with an input pipe 19, the top of the buffer tank 12 is connected with a liquid outlet pipe 30, and the bottom of the buffer tank 12 is connected with a liquid inlet pipe 29; water or other heat exchange medium can be fed into the buffer tank 12 through the liquid outlet pipe 30, and part of heat in the tail gas can be absorbed.
The adsorption mechanism comprises an adsorption box 13, the output pipe 20 is connected with the adsorption box 13, an exhaust pipe is arranged at one side, far away from the output pipe 20, of the adsorption box 13, and a plurality of adsorption plates are arranged in the adsorption box 13; the adsorption plate may be an activated carbon adsorption plate.
The driving mechanism comprises a motor 23 arranged at the top of the purification tank 11, and a motor shaft at the power output end of the motor 23 is connected with the central rod 21; the motor 23 operates to drive the central rod 21 in rotation.
The spraying mechanism comprises an annular pipe 24 arranged at the top of the purification tank 11, the bottom of the annular pipe 24 is connected with a plurality of spraying heads 26, the spraying heads 26 extend to the inner cavity of the purification tank 14, and the liquid inlet end of the annular pipe 24 is connected with a liquid feeding pipe 25; the liquid feed pipe 25 may be connected to an external shower liquid supply device.
A liquid discharge pipe 18 communicated with the liquid storage cavity is arranged on the side wall of the purification tank 11; the spray liquid after contacting the tail gas is conveyed to the liquid storage cavity and can be output through a liquid discharge pipe 18.
Two groups of filter screens 17 are arranged on the supporting plate 16; part of the tail gas in the liquid storage cavity can be discharged from the filter screen 17 to the air outlet cavity.
In this embodiment, the tail gas after the garbage is treated by the low-temperature pyrolysis furnace is conveyed to the air inlet pipe 27, the tail gas flows in the spiral pipe 28, water or other heat exchange medium can be input into the buffer tank 12 through the liquid outlet pipe 30, part of heat of the tail gas can be absorbed, the tail gas is input into the purifying cylinder 14 from the input pipe 19 for purifying treatment, the spray head 26 sprays spray liquid to spray the tail gas, part of impurities in the tail gas can be taken away during spraying, the motor 23 works to drive the central rod 21 to rotate, the spiral blade 22 can increase the stroke of the tail gas contacted with the spray liquid and promote the flow of the tail gas, the spiral blade 22 can also scrape residual impurities on the inner wall of the filtering area 15, the blockage is reduced, the tail gas can be filtered and discharged from the filtering area 15 to the air outlet cavity after entering the purifying cylinder 14, and then the tail gas is treated again through the adsorption mechanism.
Example 2
In contrast to example 1, the outer wall of the spiral blade 22 is connected with a brush at a position corresponding to the filtering area 15, and the brush is in contact with the inner wall of the filtering area 15;
in this embodiment, the brush assists the helical blade 22 in scraping impurities from the inner wall of the filtering section 15 as the helical blade 22 rotates.
Claims (8)
1. The tail gas purifying equipment of the garbage low-temperature pyrolysis furnace comprises a purifying tank (11) and a purifying cylinder (14) arranged in the purifying tank (11);
the method is characterized in that: an input pipe (19) extending into the purifying cylinder (14) is arranged on the purifying tank (11), and the air inlet end of the input pipe (19) is connected with a heat exchange mechanism;
the bottom of the purifying cylinder (14) is connected with the supporting plate (16), a liquid storage cavity is formed in the bottom of the supporting plate (16), a filtering area (15) is formed in the bottom of the purifying cylinder (14), a plurality of filtering holes are formed in the filtering area (15), an air outlet cavity is formed between the purifying cylinder (14) and the purifying tank (11), an output pipe (20) communicated with the air outlet cavity is connected to the purifying tank (11), and an air outlet end of the output pipe (20) is connected with an adsorption mechanism;
the purifying device is characterized in that a central rod (21) is arranged in the purifying cylinder (14), a driving mechanism for driving the central rod (21) to rotate is arranged at the top of the purifying tank (11), a spiral blade (22) matched with the inner wall of the purifying cylinder (14) is arranged on the central rod (21), and a spraying mechanism for spraying to the inner cavity of the purifying cylinder (14) is arranged on the purifying tank (11).
2. The apparatus for purifying tail gas of a low-temperature pyrolysis furnace for garbage according to claim 1, wherein: the heat exchange mechanism comprises a spiral pipe (28) arranged in the buffer tank (12), an air inlet end of the spiral pipe (28) is connected with an air inlet pipe (27), an air outlet end of the spiral pipe (28) is connected with an input pipe (19), the top of the buffer tank (12) is connected with a liquid outlet pipe (30), and the bottom of the buffer tank (12) is connected with a liquid inlet pipe (29).
3. The apparatus for purifying tail gas of a low-temperature pyrolysis furnace for garbage according to claim 1, wherein: the adsorption mechanism comprises an adsorption box (13), the adsorption box (13) is connected with the output pipe (20), one side, far away from the output pipe (20), of the adsorption box (13) is provided with an exhaust pipe, and a plurality of adsorption plates are arranged in the adsorption box (13).
4. The apparatus for purifying tail gas of a low-temperature pyrolysis furnace for garbage according to claim 1, wherein: the driving mechanism comprises a motor (23) arranged at the top of the purifying tank (11), and a motor shaft at the power output end of the motor (23) is connected with the center rod (21).
5. The apparatus for purifying tail gas of a low-temperature pyrolysis furnace for garbage according to claim 1, wherein: the spraying mechanism comprises an annular pipe (24) arranged at the top of the purifying tank (11), the bottom of the annular pipe (24) is connected with a plurality of spraying heads (26), the spraying heads (26) extend to the inner cavity of the purifying cylinder (14), and the liquid inlet end of the annular pipe (24) is connected with a liquid conveying pipe (25).
6. The apparatus for purifying tail gas of a low-temperature pyrolysis furnace for garbage according to claim 1, wherein: the side wall of the purification tank (11) is provided with a liquid discharge pipe (18) communicated with the liquid storage cavity.
7. The apparatus for purifying tail gas of a low-temperature pyrolysis furnace for garbage according to claim 1, wherein: two groups of filter screens (17) are arranged on the supporting plate (16).
8. The apparatus for purifying tail gas of a low-temperature pyrolysis furnace for garbage according to claim 1, wherein: the outer wall of the spiral blade (22) is connected with a brush at a position corresponding to the filtering area (15), and the brush is in contact with the inner wall of the filtering area (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321422639.XU CN220026525U (en) | 2023-06-06 | 2023-06-06 | Tail gas purifying equipment of garbage low-temperature pyrolysis furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321422639.XU CN220026525U (en) | 2023-06-06 | 2023-06-06 | Tail gas purifying equipment of garbage low-temperature pyrolysis furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220026525U true CN220026525U (en) | 2023-11-17 |
Family
ID=88738028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321422639.XU Active CN220026525U (en) | 2023-06-06 | 2023-06-06 | Tail gas purifying equipment of garbage low-temperature pyrolysis furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220026525U (en) |
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2023
- 2023-06-06 CN CN202321422639.XU patent/CN220026525U/en active Active
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