CN219433270U - Rotary kiln with cooling device for high-temperature incineration of dangerous waste - Google Patents
Rotary kiln with cooling device for high-temperature incineration of dangerous waste Download PDFInfo
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- CN219433270U CN219433270U CN202223412163.XU CN202223412163U CN219433270U CN 219433270 U CN219433270 U CN 219433270U CN 202223412163 U CN202223412163 U CN 202223412163U CN 219433270 U CN219433270 U CN 219433270U
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- kiln
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Abstract
The utility model discloses a rotary kiln with a cooling device for high-temperature incineration of dangerous wastes, and belongs to the technical field of rotary kilns for high-temperature incineration of dangerous wastes. The rotary kiln comprises a first material pushing pipe, wherein the tail end of the first material pushing pipe is connected with the head end of a first air cooling sleeve, the tail end of the first air cooling sleeve extends into the kiln head of the rotary kiln, the upper part of the first material pushing pipe is connected with a feed hopper through a feed pipe and a primary door, and the tail end of the first material pushing pipe is provided with the first air cooling sleeve. The inlet of the first air cooling sleeve is also connected with the first air inlet pipe, and the outlet is connected with the air outlet pipe; the kiln tail of the rotary kiln is connected with the bottom of the secondary combustion chamber, a slag outlet pit is arranged below the secondary combustion chamber, a second air cooling sleeve is arranged on the outer side of the kiln tail, and the second air cooling sleeve is an annular cylinder. One end of the second air inlet pipe is arranged in the slag outlet pit, and the other end of the second air inlet pipe is provided with nozzles which are annularly arranged on the inner side of the inlet of the second air cooling sleeve for blowing, so that the outer wall of the rotary kiln at the length part of the air cooling sleeve at the tail part of the rotary kiln can be cooled.
Description
Technical Field
The utility model belongs to the technical field of high-temperature incineration rotary kilns for dangerous wastes, and particularly relates to a rotary kiln with a cooling device for high-temperature incineration of dangerous wastes.
Background
The kiln head of the rotary kiln is connected with the feed inlet, and the temperature in the kiln head of the rotary kiln is higher, so that the temperature of the feed inlet is increased, the metal of the square feed inlet material channel is deformed, the pusher pushing head can be blocked after the feed inlet material channel is deformed, and the rotary kiln cannot be fed. In order to overcome the problem, a water cooling device is arranged on the feeding system equipment at the feeding channel of the kiln head feeding port, but the water cooling device is easy to corrode and leak water, so that water directly enters the rotary kiln to erode refractory materials, and the service life of the refractory materials is influenced.
Disclosure of Invention
Aiming at the defects, the utility model provides the rotary kiln with the cooling device for high-temperature incineration of dangerous wastes, which can solve the problem of high temperature of a material channel at a feed inlet of a kiln head part and can not damage refractory materials.
The utility model protects a rotary kiln with a cooling device for high-temperature incineration of dangerous wastes. The tail end of the first material pushing pipe is connected with the head end of the first air cooling sleeve, the tail end of the first air cooling sleeve extends into the kiln head of the rotary kiln, and the upper part of the first material pushing pipe is connected with the feed hopper through a feed pipe and a primary door; the end of the first material pushing pipe is provided with a first air cooling sleeve, the first air cooling sleeve is a square material channel with a double-layer jacket structure, a fireproof door is arranged in the square material channel, and an air channel is arranged in the jacket. The inlet of the first air cooling sleeve is also connected with the first air inlet pipe, and the outlet is connected with the air outlet pipe;
the kiln tail of the rotary kiln is connected with the bottom of the secondary combustion chamber, a slag outlet pit is arranged below the secondary combustion chamber, a second air cooling sleeve is arranged on the outer side of the kiln tail, and the second air cooling sleeve is an annular cylinder. One end of the second air inlet pipe is arranged in the slag outlet pit, and the other end of the second air inlet pipe is provided with nozzles in annular arrangement on the inner side of the inlet of the second air cooling sleeve for blowing, so that the outer wall of the rotary kiln at the length part of the air cooling sleeve at the tail part of the rotary kiln can be cooled.
Further, the vertical direction setting of inlet pipe, inlet pipe upper end links to each other with one-level door bottom, and one-level door top links to each other with the feeder hopper bottom.
Further, a first oil cylinder and a first push plate connected with the first oil cylinder are arranged in the first material pushing pipe, the tail end of the first material pushing pipe is connected with the head end of the first air cooling sleeve, a fireproof door is arranged in the first air cooling sleeve, the tail end of the first air cooling sleeve stretches into the kiln head of the rotary kiln, and the first push plate can be close to or far away from the kiln head of the rotary kiln.
Further, in a feeding process, each batch of dangerous waste firstly enters the discharging hopper, falls onto the primary door, the primary door is opened, the dangerous waste enters the first material pushing pipe through the material feeding pipe, at the moment, the primary door is closed, the fireproof door is opened, the first oil cylinder and the first pushing plate connected with the first oil cylinder push the dangerous waste into the kiln head of the rotary kiln, then the first oil cylinder and the first pushing plate connected with the first oil cylinder are retracted in place, and the fireproof door is closed.
Further, an annular oxygen supply channel is arranged on the outer side of the secondary combustion chamber, and the annular oxygen supply channel is connected with a third air inlet through a third air inlet pipe and a third fan.
The beneficial effects are that:
according to the utility model, the first air cooling sleeve and the first fan are arranged, so that the part, close to the kiln head, of the square material channel of the first air cooling sleeve can be cooled by air, the refractory material cannot be damaged during cooling, in addition, the first fan is used for independently providing cooling air, the cooling effect is good, the cooling air does not enter the rotary kiln, and the oxygen supply in the rotary kiln cannot be influenced. Through setting up the second intake pipe, with the indoor air extraction cooling kiln tail of slag notch, to the kiln tail cooling when taking a breath to the slag notch, obtain two purposes.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Wherein:
fig. 1 is a schematic structural view of a rotary kiln with a cooling device for high-temperature incineration of hazardous waste in the utility model.
In the figure, 1, a first air inlet; 2. a first air inlet pipe; 3. a first cylinder; 4. the first material pushing pipe; 5. a first push plate; 6. a primary door; 7. fireproof doors; 8. a feed hopper; 9. a feed pipe; 10. an air outlet pipe; 11. an air outlet; 12. a first air-cooled jacket; 13. a rotary kiln; 14. the second air cooling sleeve; 15. a secondary combustion chamber; 16. an annular oxygen supply channel; 17. a third air inlet pipe; 18. a third fan; 19. a third air inlet; 20. discharging slag pits; 21. a second air inlet pipe; 22. a second fan; 23. a first fan.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the utility model provides a rotary kiln with a cooling device for high-temperature incineration of dangerous wastes, which comprises a rotary kiln 13, a first pushing pipe 4 and a second air inlet pipe 21, wherein the tail end of the first pushing pipe 4 is connected with the head end of a first air cooling sleeve 12, a fireproof door 7 is arranged in the first air cooling sleeve 12, the tail end of the first air cooling sleeve 12 stretches into the kiln head of the rotary kiln 13, the upper part of the first pushing pipe 4 is connected with a feed hopper 8 through a feed pipe 9 and a first-stage door 6, a first oil cylinder 3 and a first push plate 5 connected with the first oil cylinder 3 are arranged in the first pushing pipe 4, and the first oil cylinder 3 and the first push plate 5 can push dangerous wastes into the kiln head of the rotary kiln 13; the tail end of the first material pushing pipe 4 is provided with a first air cooling sleeve 12, the first air cooling sleeve 12 is close to the kiln head of the rotary kiln 13, the inlet of the first air cooling sleeve 12 is connected with the first air inlet 1 through a first air inlet pipe 2 and a first fan 23 in sequence, the outlet of the first air cooling sleeve 12 is also connected with an air outlet pipe 10, and the air outlet pipe 10 is provided with an air outlet 11;
the kiln tail of the rotary kiln 13 is connected with the bottom of the secondary combustion chamber 15, a slag outlet pit 20 is arranged below the secondary combustion chamber 15, a second air cooling sleeve 14 is arranged on the annular outer side of the kiln tail of the rotary kiln 13, one end of a second air inlet pipe 21 is arranged in the slag outlet pit 20, the other end of the second air inlet pipe 21 is provided with a nozzle which is arranged on the inner side of an inlet of the second air cooling sleeve 14 in an annular mode and is blown to the inner side of the second air cooling sleeve 14, and a second fan 22 is arranged on the second air inlet pipe 21 and can pump gas of the slag outlet pit 20 into the second air cooling sleeve 14 to cool the outer wall of the kiln tail of the rotary kiln 13.
The vertical direction setting of inlet pipe 9, inlet pipe 9 upper end links to each other with the one-level door 6 bottom, and one-level door 6 top links to each other with feeder hopper 8 bottom.
The first pushing pipe 4 is internally provided with a first oil cylinder 3 and a first pushing plate 5 connected with the first oil cylinder 3, the tail end of the first pushing pipe 4 is connected with the head end of a first air cooling sleeve 12, a fireproof door 7 is arranged in the first air cooling sleeve 12, the tail end of the first air cooling sleeve 12 stretches into the kiln head of the rotary kiln 13, and the first pushing plate 5 can be close to or far away from the kiln head of the rotary kiln 13;
according to the feeding process, each batch of dangerous waste firstly enters the discharging hopper 8 and falls onto the primary door (6), the primary door (6) is opened, the dangerous waste enters the first pushing pipe 4 through the feeding pipe 9, at the moment, the primary door (6) is closed, the fireproof door 7 is opened, the first oil cylinder 3 and the first pushing plate 5 connected with the first oil cylinder 3 push the dangerous waste into the kiln head of the rotary kiln 13, then the first oil cylinder 3 and the first pushing plate 5 connected with the first oil cylinder 3 are retracted in place, and the fireproof door 7 is closed.
An annular oxygen supply channel 16 is arranged on the outer side of the secondary combustion chamber 15, and the annular oxygen supply channel 16 is connected with a third air inlet 19 through a third air inlet pipe 17 and a third fan 18.
The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.
Claims (4)
1. The rotary kiln is characterized by comprising a rotary kiln (13), a first pushing pipe (4) and a second air inlet pipe (21), wherein the tail end of the first pushing pipe (4) is connected with the head end of a first air cooling sleeve (12), a fireproof door (7) is arranged in the first air cooling sleeve (12), the tail end of the first air cooling sleeve (12) stretches into the kiln head of the rotary kiln (13), the upper part of the first pushing pipe (4) is connected with a feed hopper (8) through a feed pipe (9) and a primary door (6), a first oil cylinder (3) and a first push plate (5) connected with the first oil cylinder (3) are arranged in the first pushing pipe (4), and the first oil cylinder (3) and the first push plate (5) can push hazardous waste into the kiln head of the rotary kiln (13); the tail end of the first material pushing pipe (4) is provided with a first air cooling sleeve (12), the first air cooling sleeve (12) is close to the kiln head of the rotary kiln (13), an inlet of the first air cooling sleeve (12) is connected with the first air inlet (1) through a first air inlet pipe (2) and a first fan (23) in sequence, an outlet of the first air cooling sleeve (12) is also connected with an air outlet pipe (10), and an air outlet (11) is arranged on the air outlet pipe (10);
the kiln tail of rotary kiln (13) links to each other with two combustion chamber (15) bottoms, and the below of two combustion chamber (15) is equipped with out slag pit (20), and the annular outside of kiln tail of rotary kiln (13) is equipped with second air-cooled jacket (14), and in slag pit (20) were arranged in to the one end of second intake pipe (21), the other end of second intake pipe (21) was arranged the spout jetting to second air-cooled jacket (14) inboard in second air-cooled jacket (14) import inboard annular, is equipped with second fan (22) on second intake pipe (21), can be with the gas pumping of out slag pit (20) to in second air-cooled jacket (14) to the kiln tail outer wall cooling of rotary kiln (13).
2. The rotary kiln with the cooling device for high-temperature incineration of dangerous waste according to claim 1, wherein the feeding pipe (9) is arranged in the vertical direction, the upper end of the feeding pipe (9) is connected with the bottom of the primary door (6), and the top of the primary door (6) is connected with the bottom of the feeding hopper (8).
3. The rotary kiln with the cooling device for high-temperature incineration of hazardous waste according to claim 2, wherein a first oil cylinder (3) and a first push plate (5) connected with the first oil cylinder (3) are arranged in the first push pipe (4), the tail end of the first push pipe (4) is connected with the head end of a first air cooling sleeve (12), a fireproof door (7) is arranged in the first air cooling sleeve (12), the tail end of the first air cooling sleeve (12) stretches into the kiln head of the rotary kiln (13), and the first push plate (5) can be close to or far away from the kiln head of the rotary kiln (13).
4. The rotary kiln with a cooling device for high-temperature incineration of hazardous waste according to claim 1, characterized in that the outer side of the secondary combustion chamber (15) is provided with an annular oxygen supply channel (16), and the annular oxygen supply channel (16) is connected with a third air inlet (19) through a third air inlet pipe (17) and a third fan (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223412163.XU CN219433270U (en) | 2022-12-20 | 2022-12-20 | Rotary kiln with cooling device for high-temperature incineration of dangerous waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223412163.XU CN219433270U (en) | 2022-12-20 | 2022-12-20 | Rotary kiln with cooling device for high-temperature incineration of dangerous waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219433270U true CN219433270U (en) | 2023-07-28 |
Family
ID=87342087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223412163.XU Active CN219433270U (en) | 2022-12-20 | 2022-12-20 | Rotary kiln with cooling device for high-temperature incineration of dangerous waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219433270U (en) |
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2022
- 2022-12-20 CN CN202223412163.XU patent/CN219433270U/en active Active
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