CN217555300U - Powder falling device for coal conveying belt - Google Patents
Powder falling device for coal conveying belt Download PDFInfo
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- CN217555300U CN217555300U CN202221727240.8U CN202221727240U CN217555300U CN 217555300 U CN217555300 U CN 217555300U CN 202221727240 U CN202221727240 U CN 202221727240U CN 217555300 U CN217555300 U CN 217555300U
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Abstract
The utility model relates to a coal conveyer reduces dust technical field, a powder device falls in coal conveying belt, it includes band conveyer, the baffle box, first circulation wind channel, second circulation wind channel and dust blocking curtain group device, the baffle box is installed on band conveyer's upper portion, the baffle box right part is equipped with into coal mouthful, it has the coal breakage pipe to advance coal mouthful upper end fixed mounting, the intracavity of baffle box is equipped with the atomising head that can spout the water smoke, the baffle box upper end of advancing coal mouthful left side is equipped with down wind gap in the right side by right to left side in proper order, go up the wind gap in the right side, down wind gap in the left side, go up the wind gap in the left side. The utility model has the advantages of reasonable and compact structure, convenient to use, its each dust-proof curtain group device cooperation first circulation wind channel, second circulation wind channel can make the air current of baffle box inner space realize the inner loop, are purified by the atomising head water spray repeatedly, have effectively realized the dust fall, have safety, laborsaving, simple and convenient, efficient characteristics.
Description
Technical Field
The utility model relates to a coal conveyer reduces dust technical field, is a coal conveying belt falls whitewashed device.
Background
In coal operation or thermal power plant fuel delivery, the coal conveyor is indispensable, mainly adopt coal conveying belt machine coal conveying at present, it has production efficiency height, operate steadily reliably, carry in succession even, in the course of the work small in noise, simple structure, the working cost is low, easy maintenance, easily realize characteristics such as automatic control and remote operation, but because mix in the massive coal and have more coal ash, adopt coal conveying belt machine coal conveying can produce great dust, through the research, mainly because: firstly, when the coal is dropped from the coal pipe outlet to the coal conveying belt machine, the coal flow in the coal pipe is dropped to cause the dust brought by the induced air volume, so that a large amount of coal dust is overflowed at the coal pipe outlet, and the larger the fall when the coal dust is dropped, the larger the positive pressure formed, the more the coal dust is sprayed outwards at the coal pipe outlet, and secondly, in the conveying process of the coal on the coal conveying belt machine, the dust brought by the air volume generated by the belt machine is blown upwards. When the dust concentration is higher, dust pollution can be formed, dust is left in the equipment, the peripheral working environment of the equipment is further influenced, the whole working environment is polluted, and more seriously, the danger of coal dust explosion still exists. Therefore, the coal conveying belt machine used for the existing coal operation or the fuel conveying of the thermal power plant has the following defects in the actual use process: coal is discharged from the coal pipe to the coal conveying belt conveyor, and coal powder is overflowed when the coal is conveyed by the belt conveyor, so that equipment and working environment are easily polluted, and potential safety hazards exist.
Disclosure of Invention
An object of the utility model is to provide a defeated coal belt falls whitewashed device has overcome above-mentioned prior art not enough, and it can effectively solve the easy production buggy pollution that current defeated coal belt feeder exists, pollution equipment and operational environment, the problem that has the potential safety hazard.
The purpose of the utility model is realized like this: the coal conveying belt powder falling device comprises a belt conveyor, a guide chute, a first circulating air duct, a second circulating air duct and a dust blocking curtain group device, wherein the guide chute is installed on the upper portion of the belt conveyor, a coal inlet is formed in the right portion of the guide chute, a coal dropping pipe is fixedly installed at the upper end of the coal inlet, a spraying head capable of spraying water mist is arranged in an inner cavity of the guide chute, a right descending air port, a right ascending air port, a left descending air port and a left ascending air port are sequentially arranged at the upper end of the guide chute at the left side of the coal inlet from right to left, a first circulating air duct capable of enabling air flow to pass from the right ascending air port to the right descending air port is installed between the right descending air port and the left descending air port, a second circulating air duct capable of enabling air flow to pass from the left ascending air port to the left descending air port in a one-way is installed between the left ascending air port and the right descending air port, the dust blocking curtain group device with a plurality of suspended rubber strips is arranged at the upper end of the guide chute, the dust blocking curtain group device comprises a first dust blocking curtain group, a second dust blocking curtain group is arranged on the left descending air port, and a fourth curtain group is arranged on the left descending air blocking curtain group close to the left descending air blocking curtain group on the left side of the dust blocking curtain group.
Furthermore, at least three spraying frame pipes are arranged in the guide chute, each spraying frame pipe is uniformly arranged in an upper inner cavity of the guide chute between the first dust-proof curtain group and the fourth dust-proof curtain group at intervals, a plurality of spraying heads are uniformly arranged on each spraying frame pipe at intervals, a water conveying pipeline is connected to a water inlet of each spraying frame pipe, and the water conveying pipeline can be connected with a water outlet of a water pump in the water tank.
Furthermore, the first circulating air duct is inverted-Y-shaped 21430, the first circulating air duct comprises a first air duct ascending section, a first air duct inclined section and a first air duct descending section, the lower end of the first air duct ascending section is provided with a first air duct inlet, the upper end of the first air duct ascending section is communicated with the upper end of the first air duct inclined section, the first air duct inclined section is obliquely arranged along the upper left direction and the lower right direction, the lower end of the first air duct inclined section is communicated with the upper end of the first air duct descending section, the lower end of the first air duct descending section is provided with a first air duct outlet, the first air duct inlet is fixedly arranged on the upper right air duct, and the first air duct outlet is fixedly arranged on the lower right air duct.
Furthermore, a lower sundry cleaning door is arranged at the lower part of the first air channel ascending section, and an upper sundry cleaning door is arranged at the upper part of the first air channel ascending section.
Furthermore, the second circulating air duct is inverted-V-shaped and comprises a second air duct upper inclined section and a second air duct lower inclined section, the second air duct upper inclined section is obliquely arranged along the upper left-lower-upper-right direction, the second air duct lower inclined section is obliquely arranged along the upper left-upper-lower-right direction, a second air duct inlet is formed in the lower end of the second air duct upper inclined section, the upper end of the second air duct upper inclined section is communicated with the upper end of the second air duct lower inclined section, a second air duct outlet is formed in the lower end of the second air duct lower inclined section, the second air duct inlet is fixedly installed on the upper right air opening, and the second air duct outlet is fixedly installed on the lower right air opening.
The utility model has the advantages of reasonable and compact structure, convenient to use, its each dust-proof curtain group device cooperation first circulation wind channel, second circulation wind channel can make the air current of baffle box inner space realize the inner loop, are purified by the atomising head water spray repeatedly, have effectively realized the dust fall, have safety, laborsaving, simple and convenient, efficient characteristics.
Drawings
The specific structure of the utility model is given by the following drawings and embodiments:
fig. 1 is a schematic front view of the preferred embodiment of the present invention.
Legend: the device comprises a belt conveyor 1, a material guide groove 2, a first circulating air channel 3, a second circulating air channel 4, a coal inlet 5, a coal dropping pipe 6, a right downward air port 7, a right upward air port 8, a left downward air port 9, a left upward air port 10, a first dust-blocking curtain group 11, a second dust-blocking curtain group 12, a third dust-blocking curtain group 13, a fourth dust-blocking curtain group 14, a first air channel upward section 15, a first air channel oblique section 16, a first air channel downward section 17, a second air channel upward oblique section 18, a second air channel downward oblique section 19, a lower sundry cleaning door 20 and an upper sundry cleaning door 21.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
Example (b): as shown in fig. 1, the coal conveying belt powder lowering device comprises a belt conveyor 1, a material guide chute 2, a first circulating air duct 3, a second circulating air duct 4 and a dust blocking curtain device, wherein the material guide chute 2 is installed at the upper part of the belt conveyor 1, a coal inlet 5 is arranged at the right part of the material guide chute 2, a coal dropping pipe 6 is fixedly installed at the upper end of the coal inlet 5, a spray head capable of spraying water mist is arranged in an inner cavity of the material guide chute 2, a right descending air opening 7, a right ascending air opening 8, a left descending air opening 9 and a left ascending air opening 10 are sequentially arranged at the upper end of the material guide chute 2 at the left side of the coal inlet 5 from right to left, the first circulating air duct 3 capable of enabling air flow to pass from the right ascending air opening 8 to the right descending air opening 7 in a one-way is installed between the right descending air opening 7 and the left ascending air opening 10, a second circulating air duct 4 capable of enabling air flow to pass from the left descending air opening 10 to the left descending air opening 9 in a one-way is installed between the left descending air opening 8 and the right descending air opening 7, a right dust blocking curtain device with a plurality of hanging rubber strips is arranged at the upper end of the material guide chute 2, a left dust blocking curtain device 12, a third dust blocking curtain device is arranged on the left dust blocking curtain device 12, a fourth dust blocking curtain device 12, a third dust blocking curtain device is arranged on the left air opening 12, a fourth dust blocking curtain device and a dust blocking curtain device 12, a fourth dust blocking curtain device and a dust blocking curtain device on the upper dust blocking curtain device and a dust blocking curtain device on a fourth dust blocking curtain device 12, which is arranged on the upper air opening 12, and a fourth dust blocking curtain device which is arranged on the upper air opening 12. Each dust curtain group device is matched with the first circulating air duct 3 and the second circulating air duct 4, so that the air flow in the inner space of the guide chute 2 can realize internal circulation, and is repeatedly sprayed with water and purified by the spray head, and the falling of the coal flow and the dust fall in the conveying process of the belt conveyor are effectively realized; during operation, lump coal with pulverized coal in the coal dropping pipe 6 falls onto a belt of the belt conveyor 1 through the coal inlet 5, dust cannot be lifted out of the guide chute 2 because the guide chute 2 wraps the belt conveyor 1, air flow in the inner space of the guide chute 2 between the coal inlet 5 and the right upward air opening 8 is enabled to realize internal circulation through the first circulation air duct 3 by shielding of the first dust-blocking curtain group 11 and the second dust-blocking curtain group 12, water mist can be sprayed out of a spray head between the first dust-blocking curtain group 11 and the second dust-blocking curtain group 12, and the dust falls onto the belt due to self weight when meeting the water mist; the remaining dust in the guide chute 2 moves left along with the belt, and through the shielding of the third dust-blocking curtain group 13 and the fourth dust-blocking curtain group 14, the air flow in the inner space of the guide chute 2 between the second dust-blocking curtain group 12 and the left upstream air inlet 10 is enabled to realize internal circulation through the second circulation air duct 4, the spray head between the second dust-blocking curtain group 12 and the third dust-blocking curtain group 13 and the spray head between the third dust-blocking curtain group 13 and the fourth dust-blocking curtain group 14 can spray water mist, the dust forms damp dust clusters when meeting the water mist, the damp dust clusters fall onto the belt due to self weight, and the damp dust clusters which fall down later are conveyed to the left side of the equipment along with the lump coal by the belt conveyor 1, so that the dust falling is finally realized.
As shown in fig. 1, at least three spray frame pipes are arranged inside the guide chute 2, each spray frame pipe is uniformly arranged in an upper inner cavity of the guide chute 2 between the first dust-proof curtain group 11 and the fourth dust-proof curtain group 14 at intervals, a plurality of spray nozzles are uniformly arranged on each spray frame pipe at intervals, a water inlet of each spray frame pipe is connected with a water delivery pipeline, and the water delivery pipeline can be connected with a water outlet of a water pump in the water tank.
As shown in fig. 1, the first circulating air duct 3 is inverted-21430-shaped, the first circulating air duct 3 includes a first air duct ascending section 15, a first air duct inclined section 16 and a first air duct descending section 17, a first air duct inlet is formed at the lower end of the first air duct ascending section 15, the upper end of the first air duct ascending section 15 is communicated with the upper end of the first air duct inclined section 16, the first air duct inclined section 16 is obliquely arranged along the upper left and lower right directions, the lower end of the first air duct inclined section 16 is communicated with the upper end of the first air duct descending section 17, a first air duct outlet is formed at the lower end of the first air duct descending section 17, the first air duct inlet is fixedly installed on the upper right air inlet 8, and the first air duct outlet is fixedly installed on the lower right air outlet 7. Considering the actual moving speed of the belt conveyor 1 and the loss amount of the generated wind, the air volume of the right part of the material guide chute 2 is large, so that the first circulating air duct 3 is designed to be inverted 21430, and the air volume of the left part of the material guide chute 2 is small, so that the second circulating air duct 4 is designed to be inverted V-shaped.
As shown in fig. 1, a lower sundries cleaning door 20 is arranged at the lower part of the first air duct ascending section 15, and an upper sundries cleaning door 21 is arranged at the upper part of the first air duct ascending section 15. The sundries such as dust accumulated in the first air duct ascending section 15 can be cleaned conveniently through the lower sundries cleaning door 20 and the upper sundries cleaning door 21.
As shown in fig. 1, the second circulating air duct 4 is inverted V-shaped, the second circulating air duct 4 includes a second air duct upper inclined section 18 and a second air duct lower inclined section 19, the second air duct upper inclined section 18 is obliquely arranged along the upper left-lower-right direction, the second air duct lower inclined section 19 is obliquely arranged along the upper left-upper-lower-right direction, a second air duct inlet is arranged at the lower end of the second air duct upper inclined section 18, the upper end of the second air duct upper inclined section 18 is communicated with the upper end of the second air duct lower inclined section 19, a second air duct outlet is arranged at the lower end of the second air duct lower inclined section 19, the second air duct inlet is fixedly mounted on the upper right air port 8, and the second air duct outlet is fixedly mounted on the lower right air port 7.
The foregoing description is by way of example only and is not intended as limiting the embodiments of the present invention. All obvious changes or variations which are introduced by the technical solution of the present invention are still within the scope of the present invention.
Claims (7)
1. The utility model provides a powder device falls in coal conveyor belt which characterized in that: the dust-proof device comprises a belt conveyer, a guide chute, a first circulating air duct, a second circulating air duct and a dust-proof curtain group device, wherein the guide chute is installed on the upper portion of the belt conveyer, a coal inlet is formed in the right portion of the guide chute, a coal drop pipe is fixedly installed at the upper end of the coal inlet, a spray head capable of spraying water mist is arranged in an inner cavity of the guide chute, a right descending air port, a right ascending air port, a left descending air port and a left ascending air port are sequentially arranged on the upper end of the guide chute on the left side of the coal inlet from right to left, a first circulating air duct capable of enabling air flow to pass from the right ascending air port to the right descending air port is installed between the right ascending air port and the right descending air port, a second circulating air duct capable of enabling air flow to pass from the left ascending air port to the left descending air port is installed between the left descending air port and the left descending air port, a dust-proof curtain group device with a plurality of hanging rubber strips is arranged on the upper end of the guide chute, a third dust-proof curtain group and a fourth dust-proof curtain group are arranged on the left descending air port and on the left descending air port, and a fourth dust-proof curtain group, and a third dust-proof curtain group is arranged on the left descending air-proof curtain group on the right dust-proof curtain group.
2. The coal belt fines removal apparatus of claim 1, wherein: the guide chute is internally provided with at least three spraying frame pipes, the spraying frame pipes are uniformly arranged in an upper inner cavity of the guide chute between the first dust-proof curtain group and the fourth dust-proof curtain group at intervals, a plurality of spray heads are uniformly arranged on the spraying frame pipes at intervals, a water conveying pipeline is connected to a water inlet of each spraying frame pipe, and the water conveying pipeline can be connected with a water outlet of a water pump in the water tank.
3. The coal belt fines removal apparatus of claim 1 or 2, further comprising: the first circulating air duct is inverted-21430, the first circulating air duct comprises a first air duct ascending section, a first air duct inclined section and a first air duct descending section, the lower end of the first air duct ascending section is provided with a first air duct inlet, the upper end of the first air duct ascending section is communicated with the upper end of the first air duct inclined section, the first air duct inclined section is obliquely arranged along the upper left lower right lower direction, the lower end of the first air duct inclined section is communicated with the upper end of the first air duct descending section, the lower end of the first air duct descending section is provided with a first air duct outlet, the first air duct inlet is fixedly arranged on the upper right air opening, and the first air duct outlet is fixedly arranged on the lower right air opening.
4. The coal belt fines removal apparatus of claim 3, wherein: the lower part of the first air duct ascending section is provided with a lower sundry cleaning door, and the upper part of the first air duct ascending section is provided with an upper sundry cleaning door.
5. The coal belt fines reduction apparatus of claim 1 or 2, further comprising: the second circulating air duct is inverted V-shaped, the second circulating air duct comprises a second air duct upper inclined section and a second air duct lower inclined section, the second air duct upper inclined section is obliquely arranged along the left-lower-upper-right direction, the second air duct lower inclined section is obliquely arranged along the left-upper-right-lower-direction, a second air duct inlet is formed in the lower end of the second air duct upper inclined section, the upper end of the second air duct upper inclined section is communicated with the upper end of the second air duct lower inclined section, a second air duct outlet is formed in the lower end of the second air duct lower inclined section, the second air duct inlet is fixedly installed on the right upstream air opening, and the second air duct outlet is fixedly installed on the right downstream air opening.
6. The coal belt fines reduction apparatus of claim 3, further comprising: the second circulating air duct is inverted V-shaped and comprises a second air duct upper inclined section and a second air duct lower inclined section, the second air duct upper inclined section is obliquely arranged along the left-lower-upper-right direction, the second air duct lower inclined section is obliquely arranged along the left-upper-left-lower-right direction, a second air duct inlet is formed in the lower end of the second air duct upper inclined section, the upper end of the second air duct upper inclined section is communicated with the upper end of the second air duct lower inclined section, a second air duct outlet is formed in the lower end of the second air duct lower inclined section, the second air duct inlet is fixedly installed on the right upper air opening, and the second air duct outlet is fixedly installed on the right lower air opening.
7. The coal belt fines reduction apparatus of claim 4, further comprising: the second circulating air duct is inverted V-shaped, the second circulating air duct comprises a second air duct upper inclined section and a second air duct lower inclined section, the second air duct upper inclined section is obliquely arranged along the left-lower-upper-right direction, the second air duct lower inclined section is obliquely arranged along the left-upper-right-lower-direction, a second air duct inlet is formed in the lower end of the second air duct upper inclined section, the upper end of the second air duct upper inclined section is communicated with the upper end of the second air duct lower inclined section, a second air duct outlet is formed in the lower end of the second air duct lower inclined section, the second air duct inlet is fixedly installed on the right upstream air opening, and the second air duct outlet is fixedly installed on the right downstream air opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221727240.8U CN217555300U (en) | 2022-07-06 | 2022-07-06 | Powder falling device for coal conveying belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221727240.8U CN217555300U (en) | 2022-07-06 | 2022-07-06 | Powder falling device for coal conveying belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217555300U true CN217555300U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221727240.8U Active CN217555300U (en) | 2022-07-06 | 2022-07-06 | Powder falling device for coal conveying belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217555300U (en) |
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2022
- 2022-07-06 CN CN202221727240.8U patent/CN217555300U/en active Active
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