CN220090922U - Pulverized coal recovery device - Google Patents
Pulverized coal recovery device Download PDFInfo
- Publication number
- CN220090922U CN220090922U CN202321623203.7U CN202321623203U CN220090922U CN 220090922 U CN220090922 U CN 220090922U CN 202321623203 U CN202321623203 U CN 202321623203U CN 220090922 U CN220090922 U CN 220090922U
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- Prior art keywords
- pipe
- inclined plate
- supporting inclined
- recovery device
- telescopic cylinder
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- 238000011084 recovery Methods 0.000 title claims abstract description 69
- 239000003245 coal Substances 0.000 title claims abstract description 20
- 238000007599 discharging Methods 0.000 claims description 28
- 238000004064 recycling Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000002817 coal dust Substances 0.000 abstract description 25
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000004939 coking Methods 0.000 description 3
- 239000000571 coke Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to the technical field of iron-making equipment, in particular to a pulverized coal recovery device, which comprises a first recovery device and a second recovery device, wherein the first recovery device is connected with the second recovery device through a first connecting pipe; the first recovery device comprises a first recovery box body, a first feeding pipe, a first telescopic cylinder, a second telescopic cylinder and a first exhaust pipe are sequentially arranged at the top of the first recovery box body from left to right, the output end of the first feeding pipe extends to the inside of the first recovery box body, and a first supporting inclined plate is fixed on a piston rod of the first telescopic cylinder. The pulverized coal recovery device can be used for collecting and utilizing pulverized coal dust produced in the process of manufacturing and conveying the pulverized coal of the blast furnace again.
Description
Technical Field
The utility model relates to the technical field of blast furnace ironmaking, in particular to a pulverized coal recovery device.
Background
Coal dust is injected into the blast furnace to replace part of coke, so that on one hand, the coking investment can be saved, the coke oven is built less, and the air pollution caused by coking is reduced; on the other hand, the situation of shortage of coking coal supply and demand can be greatly relieved. In the process of manufacturing and conveying the blast furnace coal dust, a large amount of coal dust can be generated, if the coal dust is not collected again, the environment is polluted, and a large amount of resource waste can be generated.
Disclosure of Invention
The purpose of the utility model is that: the utility model provides a pulverized coal recovery device which can be used for collecting and utilizing pulverized coal dust produced in the process of manufacturing and conveying blast furnace pulverized coal again.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the pulverized coal recovery device comprises a first recovery device and a second recovery device, wherein the first recovery device is connected with the second recovery device through a first connecting pipe;
the first recycling device comprises a first recycling box body, a first feeding pipe, a first telescopic cylinder, a second telescopic cylinder and a first exhaust pipe are sequentially arranged at the top of the first recycling box body from left to right, the output end of the first feeding pipe extends to the inside of the first recycling box body, a first supporting inclined plate is fixed on a piston rod of the first telescopic cylinder, a second supporting inclined plate is fixed on a piston rod of the second telescopic cylinder, the right end of the first supporting inclined plate is butted with the left end of the second supporting inclined plate, a first discharging pipe is vertically and downwards arranged at the butted position of the first supporting inclined plate and the second supporting inclined plate, the first discharging pipe is movably inserted in the first discharging pipe, and a first electric valve is arranged on the first discharging pipe;
the second recycling device comprises a second recycling box body, a second feeding pipe, a third telescopic cylinder, a fourth telescopic cylinder and a second exhaust pipe are sequentially arranged at the top of the second recycling box body from left to right, the output end of the second feeding pipe extends to the inside of the second recycling box body, a third supporting inclined plate is fixed on a piston rod of the third telescopic cylinder, a fourth supporting inclined plate is fixed on a piston rod of the fourth telescopic cylinder, the right end of the third supporting inclined plate is butted with the left end of the fourth supporting inclined plate, a second discharging pipe is vertically and downwards arranged at the butted position of the third supporting inclined plate and the fourth supporting inclined plate, the second discharging pipe is movably inserted in the second discharging pipe, and a second electric valve is arranged on the second discharging pipe;
the output of first blast pipe links to each other with first connecting pipe, the input of second inlet pipe links to each other with first connecting pipe be equipped with a plurality of layers of first filter screen in the first blast pipe be equipped with a plurality of layers of second filter screen in the second blast pipe.
Preferably: the first feeding pipe is provided with a first recovery pump body, and the second feeding pipe is provided with a second recovery pump body.
Preferably: the output end of the first discharging pipe and the output end of the second discharging pipe extend downwards into the pipeline of the tubular screw conveyor, and a third discharging pipe is arranged below the tubular screw conveyor.
Preferably: the output end of the second exhaust pipe extends to the inside of a dust-reducing box body, liquid water is filled in the dust-reducing box body, and an exhaust pipe is arranged at the top of the dust-reducing box body.
Preferably: the first support sloping plate and the second support sloping plate are both arranged in the first recovery box in a sliding mode, and the third support sloping plate and the fourth support sloping plate are both arranged in the second recovery box in a sliding mode.
In summary, the utility model has the following beneficial effects:
1. collecting pulverized coal dust into the first recovery box body through a first feeding pipe, enabling the first supporting inclined plate and the second supporting inclined plate to move upwards at the moment, compressing the pulverized coal dust and air upwards, discharging the air in the pulverized coal dust outwards through a first filter screen, compressing and collecting the pulverized coal dust in the pulverized coal dust to the bottom of the first recovery box body, and re-collecting the pulverized coal dust under the action of a second recovery device if the pulverized coal dust overflows outwards through the first filter screen, wherein the pulverized coal dust produced in the manufacturing and conveying processes of the pulverized coal of the blast furnace can be re-collected and utilized through the arrangement;
2. the coal ash collected by the first recovery device and the second recovery device is directly discharged to the tubular screw conveyor for re-conveying and utilization.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic diagram of the overall structure of a pulverized coal recovery device;
wherein: 1. a first connecting pipe; 2. a first recovery tank; 3. a second recovery tank; 4. a first feed tube; 5. a second feed tube; 6. a first telescopic cylinder; 7. the second telescopic cylinder; 8. a third telescopic cylinder; 9. a fourth telescopic cylinder; 10. a first support sloping plate; 11. a second supporting sloping plate; 12. a third supporting sloping plate; 13. a fourth supporting sloping plate; 14. a first discharge pipe; 15. a second discharge pipe; 16. a first discharge pipe; 17. a second discharge pipe; 18. a first electrically operated valve; 19. a second electrically operated valve; 20. a first filter screen; 21. a second filter screen; 22. a first recovery pump body; 23. a second recovery pump body; 24. a tubular screw conveyor; 25. a dust-reducing box body; 26. and an exhaust pipe.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, a pulverized coal recovery device includes a first recovery device and a second recovery device, wherein the first recovery device is connected with the second recovery device through a first connecting pipe 1;
the first recovery device comprises a first recovery box body 2, a first feed pipe 4, a first telescopic cylinder 6, a second telescopic cylinder 7 and a first exhaust pipe 26 are sequentially arranged at the top of the first recovery box body 2 from left to right, the output end of the first feed pipe 4 extends to the inside of the first recovery box body 2, a first supporting inclined plate 10 is fixed on a piston rod of the first telescopic cylinder 6, a second supporting inclined plate 11 is fixed on a piston rod of the second telescopic cylinder 7, the right end of the first supporting inclined plate 10 is butted with the left end of the second supporting inclined plate 11, a first discharge pipe 14 is vertically and downwards arranged at the butted position of the first supporting inclined plate 10 and the second supporting inclined plate 11, the first discharge pipe 14 is movably inserted in the first discharge pipe 16, and a first electric valve 18 is arranged on the first discharge pipe 14;
the second recovery device comprises a second recovery box body 3, a second feed pipe 5, a third telescopic cylinder 8, a fourth telescopic cylinder 9 and a second exhaust pipe 26 are sequentially arranged at the top of the second recovery box body 3 from left to right, the output end of the second feed pipe 5 extends to the inside of the second recovery box body 3, a third supporting inclined plate 12 is fixed on a piston rod of the third telescopic cylinder 8, a fourth supporting inclined plate 13 is fixed on a piston rod of the fourth telescopic cylinder 9, the right end of the third supporting inclined plate 12 is butted with the left end of the fourth supporting inclined plate 13, a second discharge pipe 15 is vertically and downwards arranged at the butted position of the third supporting inclined plate 12 and the fourth supporting inclined plate 13, the second discharge pipe 15 is movably inserted in the second discharge pipe 17, and a second electric valve 19 is arranged on the second discharge pipe 15;
the output end of the first exhaust pipe 26 is connected with the first connecting pipe 1, the input of the second feeding pipe 5 is connected with the first connecting pipe 1, a plurality of layers of first filter screens 20 are arranged in the first exhaust pipe 26, and a plurality of layers of second filter screens 21 are arranged in the second exhaust pipe 26.
A first recovery pump body 22 is provided on the first feed pipe 4, and a second recovery pump body 23 is provided on the second feed pipe 5.
In this embodiment, the first supporting inclined plate 10 and the second supporting inclined plate 11 are attached to the inner wall of the first recovery tank 2, the third supporting inclined plate 12 and the fourth supporting inclined plate 13 are attached to the inner wall of the second recovery tank 3, and the first feeding pipe 4 is connectable to an external collecting hood, a conveying pipe, and the like.
The output end of the first discharging pipe 16 and the output end of the second discharging pipe 17 extend downwards into the pipeline of the tubular screw conveyor 24, and a third discharging pipe is arranged below the tubular screw conveyor 24.
The output end of the second exhaust pipe 26 extends to the inside of a dust-settling tank 25, liquid water is filled in the dust-settling tank 25, and the exhaust pipe 26 is arranged at the top of the dust-settling tank 25.
The first support sloping plate 10 and the second support sloping plate 11 are both arranged in the first recovery box body 2 in a sliding manner, and the third support sloping plate 12 and the fourth support sloping plate 13 are both arranged in the second recovery box body 3 in a sliding manner.
Working principle: the pulverized coal dust is collected into the first recovery box body 2 through the first feeding pipe 4, at the moment, the first supporting inclined plate 10 and the second supporting inclined plate 11 respectively act upwards under the action of the first telescopic cylinder 6 and the second telescopic cylinder 7, the pulverized coal dust and air are compressed upwards, the air in the pulverized coal dust is discharged outwards through the first filter screen 20, the pulverized coal dust in the pulverized coal dust is compressed and collected to the bottom of the first recovery box body 2, after being accumulated to a certain degree, the first electric valve 18 is opened, and the collected pulverized coal is discharged into the tubular screw conveyor 24 through the first discharging pipe 14 and the first discharging pipe 16 for reuse.
If the pulverized coal dust overflows outwards through the first filter screen 20, the pulverized coal dust is conveyed to the inside of the second recovery box body 3 through the second feed pipe 5, the third support inclined plate 12 and the fourth support inclined plate 13 respectively act upwards under the action of the third telescopic cylinder 8 and the fourth telescopic cylinder 9, the pulverized coal dust and air are compressed upwards, the air in the pulverized coal dust is discharged outwards through the second filter screen 21, the pulverized coal dust in the inside is compressed and collected to the bottom of the second recovery box body 3, after the pulverized coal dust is accumulated to a certain degree, the second electric valve 19 is opened, and the collected pulverized coal is discharged into the inside of the tubular screw conveyor 24 through the second discharge pipe 15 and the second discharge pipe 17 for reuse.
At the same time, the finally discharged air is fed into the second exhaust pipe 26 and conveyed into the dust-reducing box 25 filled with liquid water, so that a small amount of dust is prevented from overflowing into the air, and the environment is polluted.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that; modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (5)
1. The pulverized coal recovery device is characterized by comprising a first recovery device and a second recovery device, wherein the first recovery device is connected with the second recovery device through a first connecting pipe;
the first recycling device comprises a first recycling box body, a first feeding pipe, a first telescopic cylinder, a second telescopic cylinder and a first exhaust pipe are sequentially arranged at the top of the first recycling box body from left to right, the output end of the first feeding pipe extends to the inside of the first recycling box body, a first supporting inclined plate is fixed on a piston rod of the first telescopic cylinder, a second supporting inclined plate is fixed on a piston rod of the second telescopic cylinder, the right end of the first supporting inclined plate is butted with the left end of the second supporting inclined plate, a first discharging pipe is vertically and downwards arranged at the butted position of the first supporting inclined plate and the second supporting inclined plate, the first discharging pipe is movably inserted in the first discharging pipe, and a first electric valve is arranged on the first discharging pipe;
the second recycling device comprises a second recycling box body, a second feeding pipe, a third telescopic cylinder, a fourth telescopic cylinder and a second exhaust pipe are sequentially arranged at the top of the second recycling box body from left to right, the output end of the second feeding pipe extends to the inside of the second recycling box body, a third supporting inclined plate is fixed on a piston rod of the third telescopic cylinder, a fourth supporting inclined plate is fixed on a piston rod of the fourth telescopic cylinder, the right end of the third supporting inclined plate is butted with the left end of the fourth supporting inclined plate, a second discharging pipe is vertically and downwards arranged at the butted position of the third supporting inclined plate and the fourth supporting inclined plate, the second discharging pipe is movably inserted in the second discharging pipe, and a second electric valve is arranged on the second discharging pipe;
the output of first blast pipe links to each other with first connecting pipe, the input of second inlet pipe links to each other with first connecting pipe be equipped with a plurality of layers of first filter screen in the first blast pipe be equipped with a plurality of layers of second filter screen in the second blast pipe.
2. The pulverized coal recovery device according to claim 1, wherein a first recovery pump body is provided on the first feed pipe, and a second recovery pump body is provided on the second feed pipe.
3. The pulverized coal recovery device according to claim 1, wherein the output end of the first discharging pipe and the output end of the second discharging pipe extend downwards into a pipeline of the tubular screw conveyor, and a third discharging pipe is arranged below the tubular screw conveyor.
4. The pulverized coal recovery unit according to claim 1, wherein the output end of the second exhaust pipe extends to an inside of a dust-reducing case, liquid water is filled in the inside of the dust-reducing case, and the exhaust pipe is provided at a top of the dust-reducing case.
5. The pulverized coal recovery device according to claim 1, wherein the first support sloping plate and the second support sloping plate are both slidably disposed in the first recovery tank, and the third support sloping plate and the fourth support sloping plate are both slidably disposed in the second recovery tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321623203.7U CN220090922U (en) | 2023-06-25 | 2023-06-25 | Pulverized coal recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321623203.7U CN220090922U (en) | 2023-06-25 | 2023-06-25 | Pulverized coal recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220090922U true CN220090922U (en) | 2023-11-28 |
Family
ID=88873562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321623203.7U Active CN220090922U (en) | 2023-06-25 | 2023-06-25 | Pulverized coal recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220090922U (en) |
-
2023
- 2023-06-25 CN CN202321623203.7U patent/CN220090922U/en active Active
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| GR01 | Patent grant | ||
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