CN211521028U - Guide sleeve dust suction device - Google Patents
Guide sleeve dust suction device Download PDFInfo
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- CN211521028U CN211521028U CN201922281414.7U CN201922281414U CN211521028U CN 211521028 U CN211521028 U CN 211521028U CN 201922281414 U CN201922281414 U CN 201922281414U CN 211521028 U CN211521028 U CN 211521028U
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Abstract
The utility model relates to a coking dust collector specifically is a guide pin bushing dust extraction who is applied to coal charger. The telescopic guide sleeve fixing device comprises a fixing cover, a moving cover, a fixing cover and a telescopic drive, wherein a guide sleeve connecting hole is formed in the end face of the top end of the fixing cover, the fixing cover is sleeved on the outer wall of a guide sleeve through the guide sleeve connecting hole, and the fixing cover is fixedly connected with the outer wall of the guide sleeve; two fixing sleeves are fixed on the top surface of the fixing cover close to the side wall of the fixing cover, and the connecting line of the two fixing sleeves passes through the circle center of the top surface of the fixing cover; the movable end of the telescopic drive penetrates through the fixed sleeve and the fixed cover and is hinged with the connecting part of the movable cover; a smoke outlet is arranged on the side wall of the fixed cover, a smoke guide pipe is fixedly connected at the smoke outlet, and the other end of the smoke guide pipe is connected with a flange. The vertical distance between the dust hood and the coal charging port is adjustable by arranging the movable hood; the side wall smoke outlet is connected with a smoke absorbing and dust removing system, so that the dust absorbing effect of the dust absorbing device is greatly improved, and the condition that smoke escaping from the smoke outlet is difficult to collect is effectively improved.
Description
Technical Field
The utility model relates to a coking dust collector specifically is a guide pin bushing dust extraction who is applied to coal charging car.
Background
The coal charging movable guide sleeve is positioned at the outlet of the spiral coal feeding device of the coal charging car and is used for guiding coal in the coal hopper into the coking chamber of the coke oven in the coal charging process. When the coal charging car is used for charging coal, because the position deviation between the guide sleeve and the furnace mouth of the coal charging car is caused and the guide sleeve device of the coal charging car is not provided with a dust removal system, a large amount of crude gas (mixed gas of smoke and dust) can escape frequently to cause air pollution.
In order to solve the problem, a smoke collecting device needs to be additionally arranged between the guide sleeve and the furnace mouth, but the existing smoke collecting device has a common dust collecting effect. The utility model provides a guide sleeve dust hood for better collecting the crude gas escaped from the space between the furnace mouth and the guide sleeve when the coke oven is charged with coal.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of poor dust collection effect of the existing movable guide sleeve dust collection device of the coal charging car, the utility model provides a guide sleeve dust collection device of the coal charging car which collects dust by utilizing the negative pressure principle.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a guide sleeve dust suction device comprises a fixed cover, a movable cover, a fixed cover and a telescopic drive, wherein the fixed cover is a cylindrical body with a sealed top end and an open bottom end; the movable cover consists of a cylindrical side wall and an annular flange inwards along the top end of the side wall, and a connecting part is arranged on the annular flange; two fixing sleeves are fixed on the top surface of the fixing cover close to the side wall of the fixing cover, and the connecting line of the two fixing sleeves passes through the circle center of the top surface of the fixing cover; the fixed sleeve is respectively and fixedly provided with a telescopic drive, and a moving end of the telescopic drive penetrates through the fixed sleeve and the fixed cover and is hinged with a connecting part of the moving cover; the movable cover can extend out of the fixed cover for a certain distance under the action of telescopic driving; the side wall of the fixed cover is provided with a smoke outlet, the smoke outlet is fixedly connected with a smoke guide pipe, the other end of the smoke guide pipe is connected with a flange, and the flange is used for being connected with a coal loader smoke treatment system.
Compared with the prior art, the beneficial effects of the utility model are that: the vertical distance between the dust suction device and the coal charging port is adjustable by arranging the movable cover in the fixed cover; the side wall smoke outlet and the coal loader smoke treatment system; the guide sleeve dust collection device and the coal charging port generate air negative pressure under the action of the coal charging machine smoke dust treatment system, so that the smoke dust collection effect is greatly improved, and the condition that smoke escaping from the smoke outlet is difficult to collect is effectively improved.
To the utility model discloses can also further improve, the improvement scheme is as follows:
the telescopic drive is a hydraulic cylinder or an electric push rod; the fixed sleeve is connected with the telescopic driving device through bolts.
The outer circular wall of the fixed sleeve is wrapped with a protective sleeve made of heat insulation cotton, and the protective sleeve is used for slowing down the influence of high temperature on the service life of the telescopic driving.
The inner top surface of the fixed cover is provided with an annular boss along the circumferential direction; the annular boss and the top surface of the fixed cover are welded into a whole.
Drawings
FIG. 1 is a sectional view of the structure of the embodiment of the present invention;
FIG. 2 is a schematic view of the present invention in a coal charging state;
in the figure: a stationary cover 1; a guide sleeve connecting hole 1-1; 1-2 of a smoke outlet; 1-3 of smoke guide pipes; 1-4 parts of a flange; 1-5 of an annular boss; a movable cover 2; a flange 2-1; a connecting part 2-2; 2-3 of reinforcing ribs; a fixed sleeve 3; a telescopic drive 4; a guide sleeve 5; a guide sleeve lifting wall 6; a coal charging port 7; a smoke inlet 8.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and embodiments.
As shown in figure 1, the guide sleeve dust suction device comprises a fixed cover 1, a movable cover 2, a flange 2-1, a connecting part 2-2, a reinforcing rib 2-3, a fixed sleeve 3, a telescopic drive 4 and the like.
The fixing cover 1 is a cylindrical body with a sealed top end and an open bottom end, a guide sleeve 5 connecting hole 1-1 is arranged on the top end face of the fixing cover 1, the fixing cover 1 is sleeved on the outer wall of the guide sleeve 5 through the guide sleeve 5 connecting hole 1-1, the fixing cover 1 is fixedly connected with the outer wall of the guide sleeve 5, and the fixing cover 1 and the guide sleeve 5 are fixed in a welding mode in the embodiment.
The movable cover 2 is composed of a cylindrical side wall and an annular flange 2-1 which is inward along the top end of the side wall, and a connecting part 2-2 is arranged on the annular flange 2-1. The connecting part 2-2 is used for connecting with a telescopic drive 4.
Two fixing sleeves 3 are fixed on the top surface of the fixing cover 1 close to the side wall of the fixing cover 1, and the connecting line of the positions of the two fixing sleeves 3 passes through the center of the top surface of the fixing cover 1. I.e. the two fixing sleeves 3 are symmetrical. The fixed sleeve 3 is respectively and fixedly provided with a telescopic drive 4, and the moving end of the telescopic drive 4 penetrates through the fixed sleeve 3 and the fixed cover 1 and is hinged with the connecting part 2-2 of the movable cover 2; the movable cover 2 can extend a certain distance from the fixed cover 1 under the action of the telescopic drive 4.
The movable cover 2 extends out a certain distance from the fixed cover 1 in the process of charging the coal car to the coke oven, and the distance between the bottom of the extended movable cover 2 and the top of the smoke outlet 1-2 is about 20 mm.
The side wall of the fixed cover 1 is provided with a smoke outlet 1-2, the smoke outlet 1-2 is fixedly connected with a smoke guide pipe 1-3, the other end of the smoke guide pipe 1-3 is connected with a flange 1-4, and the flange 1-4 is used for connecting a coal loader smoke treatment system. An induced draft fan (or called an exhaust fan) is arranged on a smoke inlet pipeline of the smoke dust treatment system. Therefore, the smoke outlet 1-2 is communicated with a coal charging machine smoke treatment system through a smoke guide pipe 1-3, and negative pressure is generated at the dust suction device and the coal charging port 7 under the action of an induced draft fan when the coal charging machine smoke treatment system works; as shown in FIG. 2, the escaped flue gas enters the embodiment of the present invention along with the air flow, and the flue gas is sucked away by the coal loader smoke treatment system through the smoke outlet 1-2 and is purified.
In the above embodiment, the telescopic driving device 4 is a hydraulic cylinder or an electric push rod; the fixed sleeve 3 is connected with the telescopic drive 4 by bolts.
The outer circular wall of the fixed sleeve 3 is wrapped with a protective sleeve made of heat insulation cotton. The heat insulation cotton has the characteristics of stability, high and low temperature resistance, good heat insulation effect and the like, so that the protective sleeve made of the heat insulation cotton can slow down the influence of high temperature on the telescopic drive 4, and the service life of the drive device under the condition of higher temperature is prolonged.
To further improve the use of the drive, a heat-insulating washer can be arranged between the fixing sleeve 3 and the fixing cap 1. The inner top surface of the fixed cover 1 is provided with annular bosses 1-5 along the circumferential direction; the annular bosses 1-5 are welded with the top surface of the fixed cover 1 into a whole.
In addition, in order to strengthen the rigidity of the mobile cover 2 and reduce the shake of the mobile cover 2 in the process of expansion and contraction, a reinforcing rib 2-3 is arranged between the side wall of the mobile cover 2 and the flange 2-1.
Use the utility model discloses the operation method of embodiment is: firstly, in a preparation stage of coal loading from a coal loader to a coke oven, the telescopic drive 4 is in a retraction state, and the lower ends of the fixed cover 1 and the movable cover 2 are opposite to each other at the moment; secondly, the coal charging preparation work is finished, the movable guide sleeve 5 of the coal charging machine is aligned with the coal charging port 7, the telescopic driving device 4 is started, and the movable cover 2 extends out of the fixed cover 1; and thirdly, starting to charge coal, and retracting the movable cover 2 into the fixed cover 1 under the action of the telescopic drive 4 after the coal charging is finished.
During coal charging, the movable guide sleeve 5 of the coal charging car is aligned with the coal charging port, and after the alignment, the movable guide sleeve 5 moves downwards under the action of the guide sleeve lifting arm 6 and is connected with the coal charging port 7, as shown in fig. 2; starting a coal loader smoke dust treatment system, wherein a draught fan is arranged on a pipeline of the coal loader smoke dust treatment system; the induced draft fan starts, as shown in fig. 2, and the gas that escapes from coal charging port 7 is concentrated in the embodiment of the present invention under the action of the negative pressure of the air, and simultaneously enters into the coal charging machine smoke treatment system from smoke outlet 1-2 of the side wall of movable cover 2 through smoke inlet 8 of the smoke treatment system along with the wind.
Claims (4)
1. The utility model provides a guide pin bushing dust extraction which characterized in that: the telescopic type telescopic device comprises a fixed cover, a movable cover, a fixed sleeve and a telescopic drive, wherein the fixed cover is a cylindrical body with a sealed top end and an open bottom end, a guide sleeve connecting hole is formed in the end face of the top end of the fixed cover, the fixed cover is sleeved on the outer wall of a guide sleeve through the guide sleeve connecting hole, and the fixed cover is fixedly connected with the outer wall of the guide sleeve;
the movable cover consists of a cylindrical side wall and an annular flange inwards along the top end of the side wall, and a connecting part is arranged on the annular flange;
two fixing sleeves are fixed on the top surface of the fixing cover close to the side wall of the fixing cover, and the connecting line of the two fixing sleeves passes through the circle center of the top surface of the fixing cover;
the fixed sleeve is respectively and fixedly provided with a telescopic drive, and a moving end of the telescopic drive penetrates through the fixed sleeve and the fixed cover and is hinged with a connecting part of the moving cover; the movable cover can extend out of the fixed cover for a certain distance under the action of telescopic driving;
the side wall of the fixed cover is provided with a smoke outlet, the smoke outlet is fixedly connected with a smoke guide pipe, the other end of the smoke guide pipe is connected with a flange, and the flange is used for being connected with a coal loader smoke treatment system.
2. A guide sleeve dust extraction device according to claim 1, characterized in that: the telescopic drive is a hydraulic cylinder or an electric push rod; the fixed sleeve is connected with the telescopic driving device through bolts.
3. A guide sleeve dust extraction device according to claim 2, characterized in that: the outer circular wall of the fixed sleeve is wrapped with a protective sleeve made of heat insulation cotton, and the protective sleeve is used for slowing down the influence of high temperature on the service life of the telescopic driving.
4. A guide sleeve dust extraction device according to claim 3, characterized in that: the inner top surface of the fixed cover is provided with an annular boss along the circumferential direction; the annular boss and the top surface of the fixed cover are welded into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281414.7U CN211521028U (en) | 2019-12-18 | 2019-12-18 | Guide sleeve dust suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281414.7U CN211521028U (en) | 2019-12-18 | 2019-12-18 | Guide sleeve dust suction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211521028U true CN211521028U (en) | 2020-09-18 |
Family
ID=72465815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922281414.7U Active CN211521028U (en) | 2019-12-18 | 2019-12-18 | Guide sleeve dust suction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211521028U (en) |
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2019
- 2019-12-18 CN CN201922281414.7U patent/CN211521028U/en active Active
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