CN214765858U - Device for reducing pebble coal slag discharge and improving air pressure - Google Patents
Device for reducing pebble coal slag discharge and improving air pressure Download PDFInfo
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- CN214765858U CN214765858U CN202121401864.6U CN202121401864U CN214765858U CN 214765858 U CN214765858 U CN 214765858U CN 202121401864 U CN202121401864 U CN 202121401864U CN 214765858 U CN214765858 U CN 214765858U
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- coal
- grinding
- grinding device
- secondary coal
- fine grinding
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- 239000003245 coal Substances 0.000 title claims abstract description 115
- 239000002893 slag Substances 0.000 title claims abstract description 29
- 238000000227 grinding Methods 0.000 claims abstract description 109
- 239000003818 cinder Substances 0.000 claims abstract description 9
- 239000004575 stone Substances 0.000 claims abstract description 9
- 238000012216 screening Methods 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 239000013049 sediment Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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Abstract
The utility model discloses a reduce device that stone coal cinder discharge improved wind pressure, include: the coal mill is vertically arranged on the ground, and a feeding channel is fixedly arranged on the top surface of the coal mill; the secondary coal grinding device vertically penetrates through the middle of the bottom surface of the slag discharge pipe, and the outer wall below the secondary coal grinding device is vertically and fixedly arranged on the ground through a fixedly connected support frame; the fine grinding cross rod transversely penetrates through the secondary coal grinding device, and the left side and the right side of the bottom surface of the fine grinding cross rod are respectively and fixedly provided with a brush rod and a grinding roller; and the fine grinding roller transversely penetrates through the lower part of the interior of the secondary coal grinding device. This reduce device that stone coal row sediment volume improved wind pressure, after secondary coal grinding device through the coal pulverizer right side is collected row sediment, carry out a lot of breakage through the fine grinding horizontal pole of inside and the fine grinding roller of grinding roller and bottom surface after, reduce because of grinding a large amount of row sediment that leads to incompletely.
Description
Technical Field
The utility model relates to a sediment technical field is arranged to the coal pulverizer specifically is a device that reduces stone coal volume of discharging sediment and improve the wind pressure.
Background
The coal pulverizer is different in quality and various factors in the operation process, coal is pulverized by the coal pulverizer before entering a boiler for combustion, and the particle size of the coal entering the boiler is controlled within a corresponding mesh number, so that the optimal combustion effect is achieved.
In the slag discharging process of most existing coal mills, due to the influence of coal quality change, the slag discharging amount is increased, part of stones, coal and other slag objects are easily thrown into an inlet air duct of the coal mill to cause slag deposition, coal in the slag objects is easily ignited to cause accidents in long-time high-temperature baking, so that the machine is frequently stopped to clean the deposited slag in the air duct, continuous dust raising outer leakage points are directly formed in the operation process of equipment, a large amount of raised dust is formed, and the field civilized production environment cannot be guaranteed.
Therefore, we propose a device for reducing the discharge of the pebble coal and increasing the wind pressure so as to solve the problems mentioned above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reduce device that stone coal cinder discharge improves wind pressure, with solve present the coal pulverizer of majority on the existing market that above-mentioned background art provided at the sediment in-process, because the influence of coal quality change, the cinder discharge has been increased, and partial stone, slag such as coal easily gets rid of in the coal pulverizer entry wind channel and causes the long-time high temperature bakes the coal that very easily makes in the slag and catches fire and cause the accident, the event often will stop the long-time accumulated sediment in the clearance wind channel, and directly form continuous raise dust outer leak source in equipment operation process, form a large amount of raise dusts, on-the-spot civilized production environment will not obtain the problem of guarantee.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reduce the device that stone coal cinder volume improved wind pressure, includes: the coal mill is vertically arranged on the ground, a feeding channel is fixedly arranged on the top surface of the coal mill, and a slag discharge pipe is connected to the outer wall of the right side of the coal mill in a penetrating manner;
the secondary coal grinding device vertically penetrates through the middle of the bottom surface of the slag discharge pipe, and the outer wall below the secondary coal grinding device is vertically and fixedly arranged on the ground through a fixedly connected support frame;
the left side and the right side of the bottom surface of the fine grinding cross rod are respectively and fixedly provided with a brush rod and a grinding roller, and the bottom surface of the fine grinding cross rod is fixedly arranged in the secondary coal grinding device through a screening net which is connected in an attaching manner;
and the fine grinding roller transversely penetrates through the lower part of the inside of the secondary coal grinding device, and a lug for increasing friction force is fixedly arranged on the outer wall of the fine grinding roller.
Preferably, the vertical central axis of the coal mill and the vertical central axis of the secondary coal grinding device are arranged in a vertical coaxial distribution mode, and the horizontal height of the top surface of the secondary coal grinding device is smaller than that of the top surface of the coal mill.
Preferably, the equal edulcoration filter screen of inside left and right sides of secondary coal grinding device, and the fixed negative pressure fan that is provided with of lateral wall of edulcoration filter screen to for the connection setting of laminating each other between edulcoration filter screen and the negative pressure fan, and negative pressure fan and edulcoration filter screen all set up about the vertical center axis symmetric distribution of secondary coal grinding device, increase inside wind pressure through the negative pressure fan.
Preferably, the inside central point of secondary coal grinding device puts the department and runs through being provided with rotatory guide arm through the bearing, and the outside of secondary coal grinding device is connected in the right-hand member of rotatory guide arm through fixed connection's motor to the bottom surface of the inside screening net of secondary coal grinding device passes through the driving belt meshing and connects in the tip of broken bucket, and the middle part of rotatory guide arm passes through the conical gear meshing in the bottom of accurate grinding horizontal pole moreover, drives brush-holder stud and thin grinding roller through the accurate grinding horizontal pole.
Preferably, the transverse central axis of the fine grinding cross rod, the transverse central axis of the screening net and the transverse central axis of the rotary guide rod are arranged in parallel, the brush rods and the grinding rollers on the left side and the right side of the bottom surface of the fine grinding cross rod slide on the top surface of the screening net in a fit manner, and two-stage screening is carried out through the screening net.
Preferably, the left side and the right side of the lower part in the secondary coal grinding device are in through connection with reciprocating screw rods through bearings, the bottom surface in the secondary coal grinding device is fixedly provided with a bearing plate, the top end of each reciprocating screw rod is connected to the outer wall of an output shaft of a motor through a bevel gear in a meshed mode, the outer wall of each reciprocating screw rod is connected to the left end and the right end of a fine grinding roller in a meshed mode, and the fine grinding roller is driven to move up and down through the reciprocating screw rods.
Compared with the prior art, the beneficial effects of the utility model are that: according to the device for reducing the pebble coal slag discharge and improving the air pressure, after slag discharge is collected through the secondary coal grinding device on the right side of the coal mill, and is crushed for multiple times through the fine grinding cross rod and the grinding roller inside and the fine grinding roller on the bottom surface, a large amount of slag discharge caused by incomplete grinding is reduced;
1. after slag is discharged into the secondary coal grinding device through a slag discharge pipe on the right side of the coal mill, the coal slag is crushed through brush rods and grinding rollers on the left side and the right side of the bottom surface of a fine grinding cross rod in the secondary coal grinding device, and then the crushed coal slag is discharged through screening nets with different diameters;
2. after the crushing barrel connected with the rotary guide rod in an engaged mode is rotated to crush the coal cinder with large diameter again, the containing connection plate arranged through the arc-shaped mechanism stores the coal cinder, and the reciprocating screw rod drives the fine grinding roller to move up and down to achieve the final crushing effect.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the secondary coal grinding device of the present invention;
FIG. 3 is a schematic view of the installation structure of the fine grinding roller of the present invention;
fig. 4 is a schematic view of the installation structure of the fine grinding cross bar of the present invention;
fig. 5 is a schematic view of the installation structure of the negative pressure fan of the present invention.
In the figure: 1. a coal mill; 2. a feed channel; 3. a slag discharge pipe; 4. a secondary coal grinding device; 5. a support frame; 6. finely grinding the transverse bars; 7. a brush bar; 8. screening the net; 9. a fine grinding roller; 10. a bump; 11. removing impurities and filtering the filter screen; 12. rotating the guide rod; 13. a motor; 14. a crushing barrel; 15. a negative pressure fan; 16. a bevel gear; 17. a reciprocating screw rod; 18. a bearing plate; 19. and (5) grinding the roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a reduce the device that stone coal cinder volume improved wind pressure, includes:
the coal mill 1 is vertically arranged on the ground, a feeding channel 2 is fixedly arranged on the top surface of the coal mill 1, and a deslagging pipe 3 is connected to the outer wall of the right side of the coal mill 1 in a penetrating manner;
the secondary coal grinding device 4 vertically penetrates through the middle of the bottom surface of the slag discharge pipe 3, and the outer wall of the lower part of the secondary coal grinding device 4 is vertically and fixedly arranged on the ground through a support frame 5 which is fixedly connected with the secondary coal grinding device;
the fine grinding cross rod 6 transversely penetrates through the secondary coal grinding device 4, the left side and the right side of the bottom surface of the fine grinding cross rod 6 are respectively and fixedly provided with a brush rod 7 and a grinding roller 19, and the bottom surface of the fine grinding cross rod 6 is fixedly arranged inside the secondary coal grinding device 4 through a screening net 8 which is connected in an attaching mode;
and the fine grinding roller 9 transversely penetrates through the inner lower part of the secondary coal grinding device 4, and a lug 10 for increasing friction force is fixedly arranged on the outer wall of the fine grinding roller 9.
The vertical central axis of the coal mill 1 and the vertical central axis of the secondary coal grinding device 4 are arranged in a vertical coaxial distribution mode, and the horizontal height of the top surface of the secondary coal grinding device 4 is smaller than that of the top surface of the coal mill 1.
The equal edulcoration filter screen 11 of the inside left and right sides of secondary coal grinding device 4, and the fixed negative pressure fan 15 that is provided with of lateral wall of edulcoration filter screen 11 to be the connection setting of laminating each other between edulcoration filter screen 11 and the negative pressure fan 15, and negative pressure fan 15 and edulcoration filter screen 11 all set up about the vertical center axis symmetric distribution of secondary coal grinding device 4.
The inside central point department of secondary coal grinding device 4 is provided with rotatory guide arm 12 through the bearing is run through, and the outside of secondary coal grinding device 4 is connected in the right-hand member of rotatory guide arm 12 through fixed connection's motor 13 to the bottom surface of secondary coal grinding device 4 inside screening net 8 is connected in the tip of broken bucket 14 through the drive belt meshing, and the middle part of rotatory guide arm 12 is connected in the bottom of fine grinding horizontal pole 6 through the meshing of conical gear 16.
The transverse central axis of the refining cross bar 6, the transverse central axis of the screening net 8 and the transverse central axis of the rotating guide rod 12 are arranged in parallel, and the brush bars 7 and the grinding rollers 19 on the left side and the right side of the bottom surface of the refining cross bar 6 are attached to and slide on the top surface of the screening net 8.
Reciprocating screw rods 17 are penetratingly connected to the left side and the right side of the lower portion of the inside of the secondary coal grinding device 4 through bearings, a bearing plate 18 is fixedly arranged on the bottom surface of the inside of the secondary coal grinding device 4, the top ends of the reciprocating screw rods 17 are meshed and connected to the outer wall of an output shaft of the motor 13 through bevel gears 16, and the outer wall of each reciprocating screw rod 17 is meshed and connected to the left end and the right end of the fine grinding roller 9.
The working principle is as follows: before the device for reducing the pebble coal slag discharge and improving the air pressure is used, the overall condition of the device needs to be checked to determine that the device can work normally, as shown in the figures 1-5, slag is discharged into the secondary coal grinding device 4 through the slag discharge pipe 3 on the right side of the coal mill 1, the fine grinding cross rod 6 driven by the motor 13 and the rotating guide rod 12 in the secondary coal grinding device 4 rotates, the coal slag on the upper surface of the screening net 8 is crushed through the brush rods 7 and the grinding rollers 19 on the left side and the right side of the bottom surface of the fine grinding cross rod 6, and then the coal slag is discharged through the screening nets 8 with different diameters;
after the crushing barrel 14 of bottom surface is driven to rotate through the rotating guide rod 12 and the transmission belt, the rotation of the crushing barrel 14 is subjected to secondary crushing, and after the coal cinder is held by the bearing plate 18 arranged in an arc-shaped structure, the fine grinding roller 9 driven by the reciprocating screw rod 17 is crushed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a reduce device that stone coal cinder volume improved wind pressure which characterized in that includes:
the coal mill is vertically arranged on the ground, a feeding channel is fixedly arranged on the top surface of the coal mill, and a slag discharge pipe is connected to the outer wall of the right side of the coal mill in a penetrating manner;
the secondary coal grinding device vertically penetrates through the middle of the bottom surface of the slag discharge pipe, and the outer wall below the secondary coal grinding device is vertically and fixedly arranged on the ground through a fixedly connected support frame;
the left side and the right side of the bottom surface of the fine grinding cross rod are respectively and fixedly provided with a brush rod and a grinding roller, and the bottom surface of the fine grinding cross rod is fixedly arranged in the secondary coal grinding device through a screening net which is connected in an attaching manner;
and the fine grinding roller transversely penetrates through the lower part of the inside of the secondary coal grinding device, and a lug for increasing friction force is fixedly arranged on the outer wall of the fine grinding roller.
2. The device for reducing the discharge amount of the pebble coal and improving the wind pressure as claimed in claim 1, is characterized in that: the coal mill is characterized in that the vertical central axis of the coal mill and the vertical central axis of the secondary coal grinding device are arranged in a vertical coaxial distribution mode, and the horizontal height of the top surface of the secondary coal grinding device is smaller than that of the top surface of the coal mill.
3. The device for reducing the discharge amount of the pebble coal and improving the wind pressure as claimed in claim 2, is characterized in that: the inside left and right sides of secondary coal grinding device all edulcoration filter screen, and the fixed negative pressure fan that is provided with of lateral wall of edulcoration filter screen to for being connected setting of laminating each other between edulcoration filter screen and the negative pressure fan, and negative pressure fan and edulcoration filter screen all set up about the vertical center axis symmetric distribution of secondary coal grinding device.
4. The device for reducing the discharge amount of the pebble coal and improving the wind pressure as claimed in claim 1, is characterized in that: the inside central point of secondary coal grinding device puts the department and runs through being provided with rotatory guide arm through the bearing, and the outside of secondary coal grinding device passes through fixed connection's motor and connects in the right-hand member of rotatory guide arm to the bottom surface of the inside screening net of secondary coal grinding device passes through the driving belt meshing and connects in the tip of broken bucket, and the middle part of rotatory guide arm passes through the conical gear meshing moreover and connects in the bottom of accurate grinding horizontal pole.
5. The device for reducing the discharge amount of the pebble coal and improving the wind pressure as claimed in claim 4, is characterized in that: the transverse central axis of the fine grinding transverse rod, the transverse central axis of the screening net and the transverse central axis of the rotary guide rod are arranged in parallel, and the brush rods and the grinding rollers on the left side and the right side of the bottom surface of the fine grinding transverse rod are attached to the top surface of the screening net in a sliding mode.
6. The device for reducing the discharge amount of the pebble coal and improving the wind pressure as claimed in claim 1, is characterized in that: the left side and the right side of the lower portion of the inside of the secondary coal grinding device are connected with reciprocating screw rods in a penetrating mode through bearings, the bottom face of the inside of the secondary coal grinding device is fixedly provided with a bearing plate, the top end of each reciprocating screw rod is connected to the outer wall of an output shaft of a motor in an engaged mode through a bevel gear, and the outer wall of each reciprocating screw rod is connected to the left end and the right end of a fine grinding roller in an engaged mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121401864.6U CN214765858U (en) | 2021-06-23 | 2021-06-23 | Device for reducing pebble coal slag discharge and improving air pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121401864.6U CN214765858U (en) | 2021-06-23 | 2021-06-23 | Device for reducing pebble coal slag discharge and improving air pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214765858U true CN214765858U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121401864.6U Withdrawn - After Issue CN214765858U (en) | 2021-06-23 | 2021-06-23 | Device for reducing pebble coal slag discharge and improving air pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214765858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445727A (en) * | 2022-10-13 | 2022-12-09 | 崇义县富升农业开发有限公司 | Glossy ganoderma production crocus refines device |
-
2021
- 2021-06-23 CN CN202121401864.6U patent/CN214765858U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445727A (en) * | 2022-10-13 | 2022-12-09 | 崇义县富升农业开发有限公司 | Glossy ganoderma production crocus refines device |
| CN115445727B (en) * | 2022-10-13 | 2023-09-29 | 崇义康芝农业发展有限公司 | Glossy ganoderma production crocus refines device |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20211119 Effective date of abandoning: 20231123 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20211119 Effective date of abandoning: 20231123 |