CN220558765U - Steel ash bin top exhaust device - Google Patents
Steel ash bin top exhaust device Download PDFInfo
- Publication number
- CN220558765U CN220558765U CN202322024224.3U CN202322024224U CN220558765U CN 220558765 U CN220558765 U CN 220558765U CN 202322024224 U CN202322024224 U CN 202322024224U CN 220558765 U CN220558765 U CN 220558765U
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- Prior art keywords
- pipe
- air
- exhaust pipe
- collecting hood
- bin top
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 239000000428 dust Substances 0.000 claims abstract description 64
- 238000003860 storage Methods 0.000 claims abstract description 24
- 238000009792 diffusion process Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000843 powder Substances 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
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- Separating Particles In Gases By Inertia (AREA)
Abstract
The utility model discloses a steel ash bin top exhaust device, which belongs to the technical field of steel production and comprises an exhaust pipe which is arranged on a bin top and is communicated with a bin body, wherein an air collecting hood is arranged at the outlet end of the exhaust pipe, a flow guiding mechanism is arranged in the air collecting hood close to the outlet end of the exhaust pipe, a connecting pipe is arranged in the air collecting hood far away from the exhaust pipe side, the air outlet end of the connecting pipe penetrates through the air collecting hood and is connected to a dust collector air inlet system, and an ash storage bin which is communicated with the air collecting hood is arranged below the air collecting hood near the connecting pipe side; the air flow guiding mechanism comprises an air flow diffusion taper pipe, the small diameter end of the air flow diffusion taper pipe faces the outlet end of the exhaust pipe, N guide vanes are arranged on the air flow diffusion taper pipe along the circumferential direction of the air flow diffusion taper pipe, and the end part of each guide vane is connected with the inner wall of the air collecting cover. The utility model can replace the single dust collector at the top of the bin, saves investment and operation cost, has small maintenance amount, avoids the problem that the single dust collector cannot effectively convey ash when in fault, and improves the utilization efficiency of the powder bin.
Description
Technical Field
The utility model belongs to the technical field of steel production, and particularly relates to a steel ash bin top exhaust device.
Background
The dust removing system for coking, pelletizing, sintering, ironmaking, steelmaking and other processes of steel enterprises sucks dust into a dust hopper of a dust remover through a dust removing pipeline dust hood, then the dust in the dust hopper is conveyed into a steel dust bin through a pneumatic dust conveying system, the pneumatic dust conveying system conveys the dust into the steel dust bin by utilizing compressed air, normally, a bin top dust remover is arranged on the steel dust bin top, a bin top dust remover cloth bag is easy to block, leakage is broken, dust environmental protection accidents can be caused if the dust remover cloth bag is not replaced in time, the steel dust bin is not smoothly exhausted after the steel dust bin dust remover cloth bag is blocked, the conveying pressure of the pneumatic dust conveying system is too high, and the deformation and the breakage of a shell of the dust remover at the top of the steel dust bin can easily cause the dust environmental protection accidents and production safety accidents.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides the steel ash bin top exhaust device which can replace a bin top single dust remover, saves investment and operation cost, has small maintenance amount, avoids the problem that the single dust remover cannot effectively convey ash materials when in fault, improves the utilization efficiency of a powdery bin body, and is safer to operate and use, energy-saving and environment-friendly.
The utility model is realized in such a way that the steel ash bin top exhaust device comprises an exhaust pipe which is arranged on the bin top and is communicated with a bin body, wherein the outlet end of the exhaust pipe is provided with a wind collecting cover, a diversion mechanism for diffusing and guiding air flow is arranged in the wind collecting cover close to the outlet end of the exhaust pipe, a connecting pipe is arranged in the wind collecting cover far away from the exhaust pipe, the air outlet end of the connecting pipe penetrates through the wind collecting cover to be connected to an air inlet system of a dust remover, and an ash storage bin communicated with the wind collecting cover is arranged below the wind collecting cover near to the connecting pipe;
the air flow guiding mechanism comprises an air flow diffusion taper pipe, the small diameter end of the air flow diffusion taper pipe faces the outlet end of the exhaust pipe, N guide vanes are arranged on the air flow diffusion taper pipe along the circumferential direction of the air flow diffusion taper pipe, N is a natural number larger than 1, and the end parts of each guide vane are connected with the inner wall of the air collecting cover.
Further, the airflow diffusion taper pipe comprises a taper pipe main body and taper end plates arranged at two ends of the taper pipe main body, the small diameter end of the taper pipe main body faces the outlet end of the exhaust pipe, and dust-containing airflow flows outwards along the taper pipe main body so as to be beneficial to dust falling into the ash storage bin.
Furthermore, the inside M that is equipped with of ash storage storehouse is against the current board, and M is greater than 1's natural number, every the board against the current all sets up along same direction slope. After the dust subsides, the dust slides down to the bottom of the ash storage bin along the countercurrent plate and the ash storage bin wall plate, and the countercurrent plate is arranged to prevent air flow from flowing out through the ash storage bin when the steel ash bin is used for ash beating, so that secondary dust raising and dust production are avoided.
Further, the counter flow plate is a groove-shaped plate, the number of the counter flow plates is m=18, and three layers of counter flow plates are longitudinally staggered.
Further, the wind collecting cover close to the exhaust pipe side is provided with a reducing section, and the small diameter end of the reducing section is connected with the outlet end of the exhaust pipe.
The ash outlet of the ash storage bin is provided with a discharge valve, dust in the ash storage bin reaches a certain material level, the discharge valve can automatically open and discharge according to weight, and the waiting emptying can be automatically closed according to weight.
Further, the number of the guide vanes is n=12, the guide vanes are spiral fan-shaped vanes, the included angle between the end face of the guide vane positioned on the inner wall of the wind collecting cover and the horizontal direction is 22 degrees, and the included angle between the end face of the guide vane positioned on the surface of the airflow diffusion taper pipe and the horizontal direction is 9 degrees, so that the dust-containing airflow forms centrifugal rotating airflow, and dust sedimentation is facilitated.
Further, the airflow diffusion taper pipe and the axis of the outlet section of the exhaust pipe are arranged in a collinear manner.
Further, the connecting pipe and the axis of the outlet section of the exhaust pipe are arranged in a collinear way.
Further, the wind collecting cover is of a conical structure, the small diameter end of the wind collecting cover faces the exhaust pipe, dust-containing air flow rotates outwards through the flow guiding mechanism, and dust in the air flow can sink to the ash storage bin along the inner wall of the wind collecting cover due to the action of centrifugal force.
The utility model has the advantages and technical effects that: by adopting the technical scheme, the powder bin can replace a single dust remover at the top of the bin, saves investment and operation cost, has small maintenance amount, avoids the problem that the single dust remover cannot effectively convey ash materials when in fault, improves the utilization efficiency of the powder bin body, and is safer, energy-saving and environment-friendly in operation and use. The dust-containing air flow rotates outwards after passing through the flow guiding mechanism, and dust in the air flow is rotationally settled into the dust storage bin along the inner wall of the wind collecting cover due to the action of centrifugal force, so that material loss is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a diversion mechanism according to an embodiment of the present utility model.
In the figure: 1. an exhaust pipe; 2. a wind collecting hood; 2-1, reducing section; 3. a diversion mechanism; 3-1, taper pipe main body; 3-2, cone end plates; 3-3, guide vanes; 4. a connecting pipe; 5. an ash storage bin; 6. a counter flow plate; 7. a discharge valve.
Detailed Description
The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 and 2, the application provides a steel ash bin top exhaust device, including installing at the bin top and with the blast pipe 1 of storehouse body intercommunication, the exit end of blast pipe 1 is provided with collection fan housing 2, collection fan housing 2 is the taper structure, the path end of collection fan housing 2 is towards blast pipe 1, and dusty air current is outside rotatory through guiding mechanism 3, and dust in the air current can be along collection fan housing 2 inner wall subsidence to ash storage bin 5 because of centrifugal force effect. The wind collecting cover 2 near the exhaust pipe 1 side is provided with a reducing section 2-1, and the small diameter end of the reducing section 2-1 is connected with the outlet end of the exhaust pipe 1.
A diversion mechanism 3 for diffusing and diversion of the air flow is arranged in the air collecting cover close to the outlet end of the exhaust pipe 1. The air flow guiding mechanism 3 comprises an air flow diffusion taper pipe, the small diameter end of the air flow diffusion taper pipe faces the outlet end of the exhaust pipe 1, the air flow diffusion taper pipe and the axis of the outlet section of the exhaust pipe 1 are arranged in a collinear manner, the air flow diffusion taper pipe comprises a taper pipe main body 3-1 and taper end plates 3-2 arranged at two ends of the taper pipe main body 3-1, the small diameter end of the taper pipe main body 3-1 faces the outlet end of the exhaust pipe 1, and dust-containing air flows outwards along the taper pipe main body 3-1 so as to facilitate dust to fall into the ash storage bin 5. N guide vanes 3-3 are arranged on the airflow diffusion taper pipe along the circumferential direction of the airflow diffusion taper pipe, N is a natural number larger than 1, and the end part of each guide vane 3-3 is connected with the inner wall of the wind collecting cover 2. Preferably, the number n=12 of the guide vanes 3-3, the guide vanes 3-3 are helical fan-shaped vanes, the included angle between the end face of the guide vane 3-3 positioned on the inner wall of the wind collecting cover 2 and the horizontal direction is 22 °, and the included angle between the end face of the guide vane 3-3 positioned on the surface of the airflow diffusion taper pipe and the horizontal direction is 9 °, so that the dust-containing airflow forms centrifugal rotating airflow, and dust sedimentation is facilitated.
The dust collector is characterized in that a connecting pipe 4 is arranged in the wind collecting cover 2 far away from the side of the exhaust pipe 1, the connecting pipe 4 and the axis of the outlet section of the exhaust pipe 1 are arranged in a collinear mode, the wind outlet end of the connecting pipe 4 penetrates through the wind collecting cover 2 to be connected to a dust collector air inlet system, and an ash storage bin 5 communicated with the wind collecting cover 2 is arranged below the wind collecting cover 2 close to the side of the connecting pipe 4. The ash storage bin 5 is internally provided with M countercurrent plates 6, M is a natural number greater than 1, and each countercurrent plate 6 is obliquely arranged along the same direction. After the dust subsides, the dust slides down to the bottom of the ash storage bin 5 along the counter-flow plate 6 and the wall plate of the ash storage bin 5, and the counter-flow plate 6 prevents the air flow from rushing out through the ash storage bin 5 when the steel ash bin is used for ash pumping, so that secondary dust raising and dust production are avoided. Specifically, the counter flow plates 6 are slot-shaped plates, the number m=18 of the counter flow plates 6, and the counter flow plates 6 are longitudinally staggered to form three layers. The ash outlet of the ash storage bin 5 is provided with a discharge valve 7, the discharge valve 7 adopts a spring structure, dust in the ash storage bin 5 reaches a certain material level, the discharge valve 7 can automatically open and discharge according to weight, and the waiting emptying can be automatically closed according to weight.
By adopting the technical scheme, the powder bin can replace a single dust remover at the top of the bin, saves investment and operation cost, has small maintenance amount, avoids the problem that the single dust remover cannot effectively convey ash materials when in fault, improves the utilization efficiency of the powder bin body, and is safer, energy-saving and environment-friendly in operation and use. The dust-containing air flow passes through the flow guiding mechanism 3 and then rotates outwards, and dust in the air flow is rotationally settled into the ash storage bin 5 along the inner wall of the air collecting hood 2 under the action of centrifugal force, so that material loss is avoided.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The steel ash bin top exhaust device is characterized by comprising an exhaust pipe which is arranged at the bin top and is communicated with a bin body, wherein an air collecting hood is arranged at the outlet end of the exhaust pipe, a flow guiding mechanism for diffusing and guiding air flow is arranged in the air collecting hood close to the outlet end of the exhaust pipe, a connecting pipe is arranged in the air collecting hood far away from the exhaust pipe side, the air outlet end of the connecting pipe penetrates through the air collecting hood and is connected to a dust collector air inlet system, and an ash storage bin communicated with the air collecting hood is arranged below the air collecting hood close to the connecting pipe side;
the air flow guiding mechanism comprises an air flow diffusion taper pipe, the small diameter end of the air flow diffusion taper pipe faces the outlet end of the exhaust pipe, N guide vanes are arranged on the air flow diffusion taper pipe along the circumferential direction of the air flow diffusion taper pipe, N is a natural number larger than 1, and the end parts of each guide vane are connected with the inner wall of the air collecting cover.
2. The steel ash bin top exhaust device according to claim 1, wherein the airflow diffusing cone pipe comprises a cone pipe body and cone end plates arranged at two ends of the cone pipe body, and the small diameter end of the cone pipe body faces the outlet end of the exhaust pipe.
3. The steel ash bin top exhaust device according to claim 1 or 2, wherein M counter-flow plates are arranged in the ash bin, M is a natural number greater than 1, and each counter-flow plate is obliquely arranged in the same direction.
4. A steel ash bin top exhaust device according to claim 3, characterized in that the counter flow plates are trough-shaped plates, the number m=18 of counter flow plates, the counter flow plates being longitudinally staggered with three layers.
5. The steel ash bin top exhaust device according to claim 1, wherein the wind collecting cover near the exhaust pipe side is provided with a reducing section, and a small diameter end of the reducing section is connected with an outlet end of the exhaust pipe.
6. The steel ash bin top exhaust device according to claim 1, characterized in that the ash outlet of the ash storage bin is provided with a discharge valve.
7. The steel ash bin top exhaust device according to claim 1, wherein the number of the guide vanes is n=12, the guide vanes are spiral fan-shaped vanes, an included angle between the end face of the guide vane positioned on the inner wall of the wind collecting cover and the horizontal direction is 22 degrees, and an included angle between the end face of the guide vane positioned on the surface of the airflow diffusion taper pipe and the horizontal direction is 9 degrees.
8. The steel ash bin top exhaust device according to claim 1, wherein the airflow diffusing cone is arranged co-linearly with the exhaust pipe outlet section axis.
9. The steel ash bin top exhaust device according to claim 1, characterized in that the connecting pipe is arranged co-linearly with the exhaust pipe outlet section axis.
10. The steel ash bin top exhaust device according to claim 1, wherein the wind collecting cover is of a conical structure, and a small-diameter end of the wind collecting cover faces the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322024224.3U CN220558765U (en) | 2023-07-28 | 2023-07-28 | Steel ash bin top exhaust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322024224.3U CN220558765U (en) | 2023-07-28 | 2023-07-28 | Steel ash bin top exhaust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220558765U true CN220558765U (en) | 2024-03-08 |
Family
ID=90103413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322024224.3U Active CN220558765U (en) | 2023-07-28 | 2023-07-28 | Steel ash bin top exhaust device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220558765U (en) |
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2023
- 2023-07-28 CN CN202322024224.3U patent/CN220558765U/en active Active
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