CN220018118U - Rotary kiln dust removal system - Google Patents
Rotary kiln dust removal system Download PDFInfo
- Publication number
- CN220018118U CN220018118U CN202321711813.2U CN202321711813U CN220018118U CN 220018118 U CN220018118 U CN 220018118U CN 202321711813 U CN202321711813 U CN 202321711813U CN 220018118 U CN220018118 U CN 220018118U
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- China
- Prior art keywords
- rotary kiln
- dust
- lifting machine
- radiator
- dust remover
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- 239000000428 dust Substances 0.000 title claims abstract description 99
- 239000000779 smoke Substances 0.000 claims abstract description 27
- 238000005453 pelletization Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 17
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 11
- 238000001354 calcination Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 239000011435 rock Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 metallurgy Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Abstract
The utility model relates to the technical field of rotary kilns, in particular to a rotary kiln dust removal system, which comprises a rotary kiln and a dust remover, wherein a feeding pipeline is arranged at the top of the rotary kiln, a smoke chamber is communicated with the kiln tail of the rotary kiln, the rotary kiln further comprises a radiator and the dust remover, the smoke chamber is sequentially communicated with the radiator and the dust remover pipeline, the rotary kiln further comprises a lifting machine and a transfer bin, conveying devices are respectively arranged between the lifting machine and the smoke chamber and between the lifting machine and the dust remover and are used for conveying dust, a discharge hole of the conveying devices is communicated with a feed hole of the lifting machine through a dust discharging pipeline which is arranged obliquely downwards, a discharge hole of the lifting machine is communicated with a feed hole of the transfer bin through a pipeline, and a discharge hole of the transfer bin is communicated with a feed hole of the rotary kiln through a pipeline, so that the problems that dust is easy to raise and the collected dust is inconvenient to directly recycle during dust cleaning can be solved.
Description
Technical Field
The utility model relates to the technical field of rotary kilns, in particular to a rotary kiln dust removal system.
Background
The rotary kiln is also called a calcining kiln (commonly called a rotary kiln), is mainly used in a plurality of production industries such as building materials, metallurgy, chemical industry, environmental protection and the like, is specially used for carrying out mechanical, physical or chemical treatment on solid materials, and the applicant designs an oil-based rock debris calcining treatment system comprising a rotary kiln and a dust remover for oil-based drilling rock debris materials so as to remove harmful substances in the oil-based rock debris, wherein a feeding port of the rotary kiln is a kiln tail, a discharging port is a kiln head, the rotary kiln is arranged from the kiln tail to the kiln head in a downward inclined manner, smoke generated in the calcining process can flow into a smoke chamber at the kiln tail, and the smoke chamber is communicated with a dust remover pipeline so as to collect dust in the smoke, but the technical problem in the practical application process is as follows:
1. after dust in the flue gas is collected by using the dust remover, harmful substances are easy to remain in the dust because the dust is not completely calcined, and the dust is not beneficial to recycling.
2. The collected dust is usually cleaned in a manual shoveling mode, dust is easy to generate, and then the working environment and the atmospheric environment are polluted.
Disclosure of Invention
The utility model provides a dust removing system of a rotary kiln, which can solve the problems that dust is easy to generate and is inconvenient to recycle when dust is cleaned.
The utility model provides the following technical scheme:
the rotary kiln dust pelletizing system comprises a rotary kiln and a dust remover, wherein a feeding pipeline is arranged at the top of the rotary kiln, a smoke chamber is communicated with the kiln tail of the rotary kiln, the rotary kiln further comprises a radiator and the dust remover, the smoke chamber is sequentially communicated with the radiator and the dust remover pipeline, the rotary kiln dust pelletizing system further comprises a lifting machine and a transfer bin, conveying devices are respectively arranged between the lifting machine and the smoke chamber, the lifting machine and the dust remover and are used for conveying dust, a discharging port of the conveying devices is communicated with a feeding port of the lifting machine through a dust discharging pipeline which is arranged in a downward inclined manner, a discharging port of the lifting machine is communicated with a feeding port of the transfer bin through a pipeline, and a discharging port of the transfer bin is communicated with a feeding port of the rotary kiln through a pipeline.
The beneficial effects are that:
1. and a radiator is arranged between the dust remover and the smoke chamber and is used for carrying out preliminary cooling and dust removal on the smoke, so that the dust removal efficiency of the equipment is improved.
2. Besides the dust remover, dust is easy to deposit at the bottom of the smoke chamber, so that the elevator and the conveying device are arranged to respectively convey the dust collected at the bottoms of the smoke chamber and the dust remover back to the rotary kiln for re-calcination, thereby being beneficial to ensuring that harmful substances in the dust are completely removed, simultaneously gathering the dust in the rotary kiln for centralized cleaning, avoiding a great amount of dust emission from polluting working environment, and the dust after calcination treatment can be used as a building material raw material together with oil-based rock dust, thereby being beneficial to realizing recycling of resources.
Further, the conveying device is a screw conveyor, and the screw conveyor comprises a cylinder body, a screw blade fixed in the cylinder body and a rotatable conveying shaft.
The beneficial effects are that: the spiral blade is driven by the output shaft to push the dust to be conveyed.
Further, the conveying device comprises a cylinder body and a crawler-type conveyor arranged in the cylinder body, wherein the crawler-type conveyor comprises a rotatable driving wheel and a belt.
The beneficial effects are that: the belt is driven by the driving wheel to convey dust to the elevator.
Further, the radiator is a shell-and-tube radiator, and the dust remover is a bag-type dust remover.
The beneficial effects are that: the shell-and-tube radiator has the advantages of simple structure, reliable operation, high dust collection efficiency, stable operation and strong adaptability, and can be used at high temperature and high pressure.
Further, an exhaust fan I is arranged between the radiator and the smoke chamber, and an exhaust fan II is arranged between the dust remover and the radiator.
The beneficial effects are that: the exhaust fan is arranged to facilitate the flow of flue gas and the dust collection efficiency.
Further, the transfer bin comprises a bin body and a blanking pipe, and an electric valve is arranged on the blanking pipe and used for controlling the opening and closing of the blanking pipe.
The beneficial effects are that: the electric valve controls the opening and closing of the blanking pipe, is favorable for controlling the feeding amount of dust, and avoids insufficient calcination caused by excessive dust returned into the rotary kiln.
Drawings
FIG. 1 is a schematic diagram of a rotary kiln dust removal system according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a rotary kiln dust removal system according to a second embodiment of the present utility model;
Detailed Description
The following is a further detailed description of the embodiments:
the labels in the drawings of this specification include: the rotary kiln comprises a rotary kiln 1, a feeding pipeline 2, an external gear 3, a base 4, a smoke chamber 5, a first exhaust fan 6, a second exhaust fan 7, a shell-and-tube radiator 8, a bag-type dust remover 9, a lifting machine 10, a cylinder 11, a helical blade 12, a conveying shaft 13, a bin body 14, a blanking pipe 15, an electric valve 16, a driving wheel 17, a belt 18, a motor 19, a dust discharging pipeline 20, a dust hopper 21 and an exhaust pipeline 22.
Example 1
As shown in fig. 1, the rotary kiln dust removal system comprises a rotary kiln 1, a dust remover, a lifting machine 10 and a transfer bin, wherein a feeding pipeline 2 is arranged at the top of the rotary kiln 1, the feeding pipeline 2 is communicated with a feeding port of the rotary kiln 1, the feeding port of the rotary kiln 1 is a kiln tail, a discharging port of the rotary kiln 1 is a kiln head, the rotary kiln 1 is arranged from the kiln tail to the kiln head in a downward inclined manner, two circles of external gears 3 are fixed on the outer wall of the rotary kiln 1 through bolts, a base 4 is arranged at the bottom of the rotary kiln 1, an internal gear meshed with the external gears 3 is arranged on the base 4, the internal gear is driven by a motor to drive the rotary kiln 1 to be in a working state of keeping rotation, a smoke chamber 5 is communicated at the kiln tail of the rotary kiln 1, a radiator and a dust remover are communicated with the smoke chamber 5 in the close connection with the smoke chamber 5, a shell-and-tube radiator are arranged between the radiator and the smoke chamber 5, a shell-type radiator 8 is selected for use, a bag-type dust remover 9 is selected for the dust remover, the bag-type dust remover 9 comprises a dust pipe 21 arranged at the bottom, an air outlet of the bag-and an ash pipe 21 is communicated with the dust collector, and a dust collector is arranged at the bottom of the bag 9; the conveying device is respectively arranged between the lifting machine 10 and the smoke chamber 5 and between the lifting machine 10 and the bag-type dust collector 9 and is a screw conveyor, the screw conveyor is respectively connected into chambers for respectively collecting dust, the screw conveyor comprises a cylinder 11, a screw blade 12 fixed in the cylinder 11 and a rotatable conveying shaft 13, the screw blade 12 is welded on an output shaft, the conveying shaft 13 is driven by a motor to rotate, a feeding hole of the lifting machine 10 is connected with a discharging hole of the screw conveyor through a dust discharging pipeline 20 which is arranged obliquely downwards, a middle rotating bin comprises a bin body 14 and a discharging pipe 15, an electric valve 16 is arranged on the discharging pipe 15 and is used for controlling the opening and closing of the discharging pipe 15, the discharging hole of the lifting machine 10 is connected with a feeding hole of the bin body 14, and the discharging pipe 15 is connected with a feeding hole of the rotary kiln 1.
In the practical application process, because the rotary kiln 1 is arranged from the kiln tail to the kiln head in a downward inclined manner, flue gas generated in the calcination process of oil-based rock dust in the rotary kiln 1 sequentially floods into the smoke chamber 5, the shell-and-tube radiator 8 and the bag-type dust collector 9, dust deposited at the bottoms of the smoke chamber 5 and the bag-type dust collector 9 is conveyed into the lifting machine 10 through the dust discharging pipeline 20 by the screw conveyor, the lifting machine 10 lifts the dust to the height of the transfer bin and discharges the dust to the bin body 14 of the transfer bin through the pipeline between the lifting machine 10 and the transfer bin, and the electric valve 16 is opened to return the rotary kiln 1 through the blanking pipe 15 to be calcined again, so that the dust is beneficial to ensuring that harmful substances in the dust are completely removed, and meanwhile, the dust is collected in the rotary kiln 1 to be beneficial to centralized recycling, dust is avoided, and the working environment is improved.
Example two
The difference between this embodiment and the first embodiment is that, as shown in fig. 2, the conveying device includes a cylinder 11 and a crawler conveyor disposed in the cylinder 11, the crawler conveyor includes a rotatable driving wheel 17 and a belt 18, the driving wheel 17 is driven by a motor to rotate, and the belt 18 is driven by the driving wheel 17 to convey dust into the elevator 10 through a dust-discharging pipe 20.
The above is merely an embodiment of the present utility model, and the present utility model is not limited to the field of the present embodiment, but the specific structure and characteristics of the present utility model are not described in detail. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (6)
1. The rotary kiln dust pelletizing system includes rotary kiln and dust remover, the top of rotary kiln sets up the pan feeding pipeline, the kiln tail department intercommunication of rotary kiln has smoke chamber, its characterized in that: still include radiator and dust remover, the smoke room is in proper order with radiator, dust remover pipeline intercommunication still includes lifting machine and transfer storehouse set up conveyor respectively between lifting machine and smoke room, lifting machine and the dust remover and be used for carrying the dust, through the dust pipeline intercommunication that falls down the slope setting between the discharge gate of conveyor and the feed inlet of lifting machine, through the pipeline intercommunication between the discharge gate of lifting machine and the feed inlet of transfer storehouse, through the pipeline intercommunication between the discharge gate of transfer storehouse and the feed inlet of rotary kiln.
2. The rotary kiln dust removal system of claim 1, wherein: the conveying device is a screw conveyor, and the screw conveyor comprises a cylinder body, screw blades fixed in the cylinder body and a rotatable conveying shaft.
3. The rotary kiln dust removal system of claim 2, wherein: the conveying device comprises a cylinder body and a crawler-type conveyor arranged in the cylinder body, wherein the crawler-type conveyor comprises a rotatable driving wheel and a belt.
4. A rotary kiln dust removal system according to claim 1 or 3, wherein: the radiator is a shell-and-tube radiator, and the dust remover is a cloth bag dust remover.
5. The rotary kiln dust removal system of claim 4, wherein: an exhaust fan I is arranged between the radiator and the smoke chamber, and an exhaust fan II is arranged between the dust remover and the radiator.
6. The rotary kiln dust removal system of claim 5, wherein: the transfer bin comprises a bin body and a blanking pipe, and an electric valve is arranged on the blanking pipe and used for controlling the opening and closing of the blanking pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321711813.2U CN220018118U (en) | 2023-06-30 | 2023-06-30 | Rotary kiln dust removal system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321711813.2U CN220018118U (en) | 2023-06-30 | 2023-06-30 | Rotary kiln dust removal system |
Publications (1)
Publication Number | Publication Date |
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CN220018118U true CN220018118U (en) | 2023-11-14 |
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Family Applications (1)
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CN202321711813.2U Active CN220018118U (en) | 2023-06-30 | 2023-06-30 | Rotary kiln dust removal system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117232251A (en) * | 2023-11-14 | 2023-12-15 | 佛山市天禄智能装备科技有限公司 | Exhaust powder return feeding bin of rotary furnace |
-
2023
- 2023-06-30 CN CN202321711813.2U patent/CN220018118U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117232251A (en) * | 2023-11-14 | 2023-12-15 | 佛山市天禄智能装备科技有限公司 | Exhaust powder return feeding bin of rotary furnace |
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