CN216614514U - Tamping coke oven machine side coal charging dust collector - Google Patents
Tamping coke oven machine side coal charging dust collector Download PDFInfo
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- CN216614514U CN216614514U CN202220219985.7U CN202220219985U CN216614514U CN 216614514 U CN216614514 U CN 216614514U CN 202220219985 U CN202220219985 U CN 202220219985U CN 216614514 U CN216614514 U CN 216614514U
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Abstract
The utility model discloses a tamping coke oven machine side coal charging dust removal device, which comprises a tamping coke oven and a tamping coal charging car, wherein a dust removal mechanism is arranged on one side of a coal outlet of the tamping coal charging car, the dust removal mechanism comprises an elastic high-temperature-resistant sealing frame, an annular dust collection frame, a high-temperature-resistant telescopic sleeve, a rigid sleeve and an installation ring plate which are sequentially connected, the installation ring plate is fixed on the outer side of the coal outlet of the tamping coal charging car, the section of the annular dust collection frame is in a U shape with an inward opening, a plurality of cylinders are uniformly distributed on the outer wall of the rigid sleeve in the circumferential direction, the end parts of piston rods of the cylinders are fixedly connected with the outer wall of the annular dust collection frame, a U-shaped dust collection pipe with a downward opening and a sealed end part is arranged on the outer side of the annular dust collection frame, the two sides and the top of the annular dust collection frame are respectively communicated with the U-shaped dust collection pipe through a plurality of communicating pipes, and a dust discharge branch pipe is arranged on the top of the U-shaped dust collection pipe. The utility model can avoid the escape of smoke dust, has good dust collection effect and high environmental protection level, and has obvious economic value and social value.
Description
Technical Field
The utility model relates to the technical field of coking and dust removing equipment, in particular to a coal charging and dust removing device on a tamping coke oven machine side.
Background
A certain amount of inferior coal can be mixed in the tamping coking coal blending to replace part of high-quality coal for coking, so the tamping coal coking cost is lower, and the quality of coke can be improved under the same coal blending condition, so that the tamping coke oven becomes the main equipment of the coking equipment in China at present. The tamping coke oven adopts a side-loading coal technology, and the following problems can be caused in the process of feeding the tamping-formed coal cakes into a carbonization chamber: firstly, the side door of the coke oven machine is open, a large amount of smoke dust can be generated in the coal charging process, the smoke dust has large moisture content, higher dew point temperature, is flocculent and has strong floatability, wherein main harmful substances comprise coal dust, raw coke oven gas, tar fume, BSO and the like, the environment is seriously polluted, and the human health is harmed; secondly, in the process that smoke dust flows out of the coking chamber, float coal particles at the top of the coal cake can be carried, so that a large amount of smoke dust overflows, and the smoke dust control at the machine side door opening in the coal charging process is always an important factor for restricting the development of the tamping coke oven.
In order to solve the problems, a sealing frame device is installed on a coal charging car at present, a furnace door smoke dust collecting device is arranged above each furnace door, smoke dust is controlled to return into the furnace by the negative pressure in the furnace and is converged with the smoke dust in the coke furnace, and then the smoke dust is discharged through a smoke discharging guide sleeve. However, in the actual production process, the smoke control mode can not achieve a good smoke control effect, part of smoke still escapes from the machine side oven door, and if the technology is applied to the existing tamping coke oven field, the reconstruction is very difficult, pipelines need to be erected again, the reconstruction cost is higher, and meanwhile, the space above the machine side oven door is limited, and the realization is often difficult. Therefore, it is objectively needed to develop a coal charging and dust removing device on the tamping coke oven machine side, which can avoid the escape of smoke dust, has good dust collecting effect and high environmental protection level.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide the coal-charging dust removal device on the tamping coke oven machine side, which can avoid the escape of smoke dust, has good dust collection effect and high environmental protection level.
The utility model aims to realize the purpose, which comprises a tamping coke oven and a tamping coal charging car, wherein one side of a coal outlet of the tamping coal charging car is provided with a dust removing mechanism, the dust removing mechanism comprises an elastic high-temperature-resistant sealing frame, an annular dust absorption frame, a high-temperature-resistant telescopic sleeve, a rigid sleeve and an installation ring plate which are sequentially connected, the installation ring plate is fixed on the outer side of the coal outlet of the tamping coal charging car, the section of the annular dust absorption frame is in a U shape with an inward opening, a plurality of cylinders are uniformly distributed on the circumference of the outer wall of the rigid sleeve, the end part of a piston rod of each cylinder is fixedly connected with the outer wall of the annular dust absorption frame, the outer side of the annular dust absorption frame is provided with a U-shaped dust absorption pipe with a downward opening and a sealed end part, the two sides and the top of the annular dust absorption frame are respectively communicated with the U-shaped dust absorption pipes through a plurality of communicating pipes, and the top of the U-shaped dust absorption pipe is provided with a dust exhaust branch pipe.
Furthermore, the mounting ring plate is connected with a coal outlet of the tamping coal charging car through bolts and nuts.
Furthermore, a high-temperature-resistant sealing gasket is arranged between the mounting ring plate and a coal outlet of the tamping coal charging car.
Furthermore, a reinforcing rib is arranged in the annular dust collection frame.
Furthermore, an elastic sealing ring is arranged in the rigid sleeve at one side close to the tamping coal charging car.
Furthermore, a high-temperature-resistant telescopic pipe is arranged above the dust removing mechanism, a blocking plate is arranged at one end of the high-temperature-resistant telescopic pipe, the other end of the high-temperature-resistant telescopic pipe is connected with a dust exhaust main pipe, and the upper end of a dust exhaust branch pipe is communicated with the high-temperature-resistant telescopic pipe close to one side of the blocking plate.
Furthermore, a standby dust exhaust pipe is arranged at the top of the rigid sleeve, a gate valve is arranged on the standby dust exhaust pipe, and the upper end of the standby dust exhaust pipe is communicated with the dust exhaust main pipe.
When the utility model is operated, a tamping coal charging car carries a tamping formed coal cake to a carbonization chamber needing to be charged with coal, the coal charging car is positioned and stopped, a plurality of air cylinders arranged on a rigid sleeve are started, the air cylinders synchronously operate, and in the process of extending a piston rod of the air cylinders, an elastic high-temperature resistant sealing frame and an annular dust suction frame are driven to move towards one side of a tamping coke oven until the elastic high-temperature resistant sealing frame is abutted against the periphery of a coal inlet of the carbonization chamber, the air cylinders are stopped to start charging the coal, the tamping formed coal cake is conveyed into the carbonization chamber by a coal conveying device of the tamping coal charging car, a large amount of smoke dust is generated in the carbonization chamber along with the gradual entering of the coal cake, and the smoke dust is mainly discharged from two sides and the upper part of the coal cake, and enters the annular dust suction frame after being discharged from the carbonization chamber, enters a U-shaped dust suction pipe through a communicating pipe, and then is discharged from a dust discharge branch pipe. During operation, aiming at the characteristic that smoke dust generated after a coal cake enters a carbonization chamber is mainly discharged from two sides and the upper part of the coal cake, the two sides and the top part of the annular dust collection frame are provided with the communicating pipes, the smoke dust is discharged in a targeted manner, the dust collection efficiency is higher, and in the whole coal charging process, a dust collection mechanism forms a closed cavity between a coal inlet of the carbonization chamber and a coal outlet of a tamping coal charging car, so that the outward escape of the smoke dust can be effectively avoided, the dust collection effect is better, the pollution of the smoke dust to the environment can be prevented, and the environment protection level is higher. The utility model can avoid the escape of smoke dust, has good dust collection effect and high environmental protection level, and has obvious economic value and social value.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of node A in FIG. 1;
FIG. 3 is a schematic structural view of the ring-shaped dust-collecting frame 4 and the U-shaped dust-collecting pipe 9 of the present invention;
in the figure: 1-tamping coke oven, 2-tamping coal charging car, 3-elastic high temperature resistant sealing frame, 4-annular dust suction frame, 5-high temperature resistant telescopic sleeve, 6-rigid sleeve, 7-mounting ring plate, 8-air cylinder, 9-U-shaped dust suction pipe, 10-communicating pipe, 11-high temperature resistant telescopic pipe, 12-blocking plate, 13-dust exhaust main pipe, 14-dust exhaust branch pipe, 15-bolt nut, 16-high temperature resistant sealing gasket, 17-dust removal mechanism, 18-reinforcing rib, 19-elastic sealing ring and 20-spare dust exhaust pipe.
Detailed Description
The present invention is further described with reference to the drawings, but the present invention is not limited thereto in any way, and any modification or improvement based on the present invention is within the protection scope of the present invention.
As shown in figures 1-3, the utility model comprises a tamping coke oven 1 and a tamping coal charging car 2, the tamping coke oven 1 and the tamping coal charging car 2 are the existing equipment, the tamping coke oven 1 is used for coking the tamping formed coal cake, the tamping coal charging car 2 is used for tamping and forming the coal, the tamping formed coal cake is conveyed to a preset position and then is conveyed to a coking chamber needing coking, a dust removing mechanism 17 is arranged at one side of a coal outlet of the tamping coal charging car 2, the dust removing mechanism 17 comprises an elastic high-temperature resistant sealing frame 3, an annular dust collecting frame 4, a high-temperature resistant telescopic sleeve 5, a rigid sleeve 6 and a mounting ring plate 7 which are connected in sequence, a closed cavity is formed in the inner part between the annular dust collecting frame 4, the high-temperature resistant telescopic sleeve 5 and the rigid sleeve 6, when in operation, the elastic high-temperature resistant sealing frame 3 can deform and cling to the periphery of the coal inlet of the coking chamber to generate a sealing effect and prevent the escape of smoke dust, when in operation, the smoke and dust emitted by the carbonization chamber is enclosed in the closed cavity to prevent the loss of the smoke and dust, the mounting ring plate 7 is fixed at the outer side of the coal outlet of the tamping coal charging car 2, the section shape of the annular dust absorption frame 4 is U-shaped with an inward opening, a plurality of air cylinders 8 are evenly distributed on the circumference of the outer wall of the rigid sleeve 6, the end part of a piston rod of each air cylinder 8 is fixedly connected with the outer wall of the annular dust absorption frame 4, the outer side of the annular dust absorption frame 4 is provided with a U-shaped dust absorption pipe 9 with a downward opening and a sealed end part, the two sides and the top of the annular dust absorption frame 4 are respectively communicated with the U-shaped dust absorption pipe 9 through a plurality of communicating pipes 10, the arrangement of the U-shaped dust absorption pipe 9 can simultaneously discharge dust from three directions, the smoke and dust are mainly discharged from the two sides and the upper part of the briquette in the carbonization chamber, so that the key point dust discharge can be performed, the dust discharge efficiency is improved, and the dust discharge branch pipe 14 is arranged at the top of the U-shaped dust suction pipe 9.
When the utility model is operated, a tamping coal charging car 2 carries a tamping formed coal cake to a carbonization chamber needing to be charged, the coal charging car is positioned and stopped, a plurality of cylinders 8 arranged on a rigid sleeve 6 are started, the cylinders 8 run synchronously, in the process of extending a piston rod of the cylinder, an elastic high-temperature resistant sealing frame 3 and an annular dust absorption frame 4 are driven to move towards one side of the tamping coke oven 1 until the elastic high-temperature resistant sealing frame 3 is abutted against the periphery of a coal inlet of the carbonization chamber, the cylinders 8 are stopped to charge coal, the tamping formed coal cake is sent into the carbonization chamber by a coal conveying device of the tamping coal charging car 2, a large amount of smoke dust is generated in the carbonization chamber along with the coal cake gradually entering the carbonization chamber, and the smoke dust is mainly discharged from two sides and the upper part of the coal cake, and enters the annular dust absorption frame 4 after being discharged from the carbonization chamber, enters a U-shaped dust absorption pipe 9 through a communicating pipe 10 and then is discharged from a dust discharge branch pipe 14. During operation, aiming at the characteristic that smoke dust generated after a coal cake enters a carbonization chamber is mainly discharged from two sides and the upper part of the coal cake, the two sides and the top part of the annular dust collection frame 4 are provided with the communicating pipes 10, the smoke dust is discharged in a targeted manner, the dust collection efficiency is higher, and in the whole coal charging process, the dust collection mechanism 17 forms a closed cavity between a coal inlet of the carbonization chamber and a coal outlet of the tamping coal charging car 2, so that the escape of the smoke dust can be effectively avoided, the dust collection effect is better, the pollution of the smoke dust to the environment can be prevented, and the environment protection level is higher.
In order to facilitate the installation, maintenance and disassembly of the whole dust removing mechanism 17, the installation ring plate 7 is connected with the coal outlet of the tamping coal charging car 2 through bolts and nuts 15.
In order to prevent smoke dust from escaping from the gap between the mounting ring plate 7 and the tamping coal charging car 2 and improve the sealing performance, a high-temperature-resistant sealing gasket 16 is arranged between the mounting ring plate 7 and the coal outlet of the tamping coal charging car 2.
The annular dust collection frame 4 is internally provided with the reinforcing rib 18, the working environment of the annular dust collection frame 4 is severe, the annular dust collection frame can be deformed and damaged due to high temperature or corrosion and the like in the long-term use process, and the annular dust collection frame can be supported by the reinforcing rib 18, so that the rigidity and the strength of the annular dust collection frame 4 are improved, and the service life of the annular dust collection frame is prolonged.
An elastic sealing ring 19 is arranged in the rigid sleeve 6 close to one side of the tamping coal charging car 2, and the size of the elastic sealing ring 19 is determined according to the size of the tamping formed coal cake, so that the sealing surface of the elastic sealing ring 19 can be tightly attached to the surface of the coal cake, smoke dust is prevented from entering the tamping coal charging car 2 from a gap between the coal cake and a coal outlet, the smoke dust is prevented from overflowing, and the sealing performance of the device is improved.
The dust removal mechanism 17's top is provided with high temperature resistant flexible pipe 11, and high temperature resistant flexible pipe 11 can together stretch out and draw back when high temperature resistant flexible cover 5 stretches out and draws back, and the one end of high temperature resistant flexible pipe 11 is provided with closure plate 12, and the other end is connected with dust exhaust manifold 13, the upper end of dust exhaust branch pipe 14 communicates with the high temperature resistant flexible pipe 11 that is close to closure plate 12 one side, and during the in-service use, with dust exhaust manifold 13 and smoke and dust processing station intercommunication, the smoke and dust of following dust exhaust branch pipe 14 exhaust gets into high temperature resistant flexible pipe 11 earlier, gets into dust exhaust manifold 13 from high temperature resistant flexible pipe 11 again, is sent the smoke and dust processing station by dust exhaust manifold 13 at last and is handled.
The top of the rigid sleeve 6 is provided with a spare dust exhaust pipe 20, the spare dust exhaust pipe 20 is provided with a gate valve, the gate valve is in a closed state under normal conditions, the upper end of the spare dust exhaust pipe 20 is communicated with the dust exhaust main pipe 13, and the spare dust exhaust pipe 20 has two functions, one is that when the dust exhaust branch pipe 14 is blocked, the gate valve can be opened, smoke dust is exhausted through the spare dust exhaust pipe 20, and normal dust collection can be ensured during coal charging operation; secondly, when the amount of smoke and dust is too large and the dust exhaust requirement cannot be met only through the dust exhaust branch pipe 14, the gate valve can be opened, dust is exhausted through the dust exhaust branch pipe 14 and the spare dust exhaust pipe 20, the dust exhaust amount is increased, the dust exhaust requirement is met, and when the amount of smoke and dust is small, the gate valve is closed.
Claims (7)
1. A tamping coke oven machine side coal charging dust removal device comprises a tamping coke oven (1) and a tamping coal charging car (2), and is characterized in that one side of a coal outlet of the tamping coal charging car (2) is provided with a dust removal mechanism (17), the dust removal mechanism (17) comprises an elastic high-temperature-resistant sealing frame (3), an annular dust collection frame (4), a high-temperature-resistant telescopic sleeve (5), a rigid sleeve (6) and an installation ring plate (7) which are sequentially connected, the installation ring plate (7) is fixed on the outer side of the coal outlet of the tamping coal charging car (2), the section of the annular dust collection frame (4) is in a U shape with an inward opening, a plurality of air cylinders (8) are uniformly distributed on the outer wall of the rigid sleeve (6) in a circumferential manner, the end parts of piston rods of the air cylinders (8) are fixedly connected with the outer wall of the annular dust collection frame (4), the outer side of the annular dust collection frame (4) is provided with a U-shaped dust collection pipe (9) with a downward opening and a sealed end part, the two sides and the top of the annular dust collection frame (4) are respectively communicated with the U-shaped dust collection pipe (9) through a plurality of communicating pipes (10), and the top of the U-shaped dust collection pipe (9) is provided with a dust exhaust branch pipe (14).
2. The coal charging and dust removing device on the tamping coke oven machine side of claim 1, characterized in that the mounting ring plate (7) is connected with the coal outlet of the tamping coal charging car (2) through a bolt and a nut (15).
3. The tamping coke oven machine side coal charging dust removing device according to claim 2, characterized in that a high temperature resistant sealing gasket (16) is arranged between the mounting ring plate (7) and the coal outlet of the tamping coal charging car (2).
4. The tamping coke oven machine side coal charging dust removal device of claim 1, characterized in that a reinforcing rib (18) is arranged in the annular dust absorption frame (4).
5. The coal charging and dust removing device at the tamping coke oven machine side of claim 1, characterized in that an elastic sealing ring (19) is arranged in the rigid sleeve (6) at the side close to the tamping coal charging car (2).
6. The tamping coke oven machine side coal charging dust removing device according to claim 1, characterized in that a high temperature resistant extension pipe (11) is arranged above the dust removing mechanism (17), one end of the high temperature resistant extension pipe (11) is provided with a blocking plate (12), the other end is connected with a dust exhaust main pipe (13), and the upper end of the dust exhaust branch pipe (14) is communicated with the high temperature resistant extension pipe (11) close to one side of the blocking plate (12).
7. The coal charging and dust removing device on the tamping coke oven machine side of claim 6, characterized in that a spare dust exhaust pipe (20) is arranged at the top of the rigid sleeve (6), a gate valve is arranged on the spare dust exhaust pipe (20), and the upper end of the spare dust exhaust pipe (20) is communicated with the dust exhaust main pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220219985.7U CN216614514U (en) | 2022-01-27 | 2022-01-27 | Tamping coke oven machine side coal charging dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220219985.7U CN216614514U (en) | 2022-01-27 | 2022-01-27 | Tamping coke oven machine side coal charging dust collector |
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| Publication Number | Publication Date |
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| CN216614514U true CN216614514U (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220219985.7U Active CN216614514U (en) | 2022-01-27 | 2022-01-27 | Tamping coke oven machine side coal charging dust collector |
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| CN (1) | CN216614514U (en) |
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- 2022-01-27 CN CN202220219985.7U patent/CN216614514U/en active Active
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