CN220991058U - Coal pulverizer coal fines fineness regulation controlling means - Google Patents
Coal pulverizer coal fines fineness regulation controlling means Download PDFInfo
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- CN220991058U CN220991058U CN202322604352.5U CN202322604352U CN220991058U CN 220991058 U CN220991058 U CN 220991058U CN 202322604352 U CN202322604352 U CN 202322604352U CN 220991058 U CN220991058 U CN 220991058U
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- coal
- coal pulverizer
- fixedly arranged
- adjusting
- grinding
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- 239000003245 coal Substances 0.000 title claims abstract description 166
- 238000000227 grinding Methods 0.000 claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 abstract description 29
- 238000012216 screening Methods 0.000 abstract description 7
- 239000003818 cinder Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 239000002817 coal dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model provides a coal fines fineness adjusting and controlling device of a coal mill. The coal powder fineness adjustment control device of the coal mill comprises: the support plate is fixed in the coal mill body; the rotating shaft is fixedly arranged on the supporting plate; the adjusting seat is fixedly arranged at the top of the rotating shaft; the adjusting shaft is rotatably arranged on the coal mill body; the two bevel gears are fixedly arranged on the adjusting shaft and the rotating shaft respectively and meshed with each other; the motor is fixedly arranged on the coal mill body, and an output shaft of the motor is fixedly connected with the adjusting shaft. The coal powder fineness adjustment control device of the coal mill has the advantages of being capable of adjusting the coal powder grinding fineness and screening the coal powder to ensure the quality of the coal powder with different fineness.
Description
Technical Field
The utility model relates to the technical field of coal processing, in particular to a coal fineness adjustment control device of a coal mill.
Background
In the coal processing production process, coal ores are required to be crushed and ground, so that the coal ores are convenient to use in power plants or heating boilers, and a ball mill is a common device for crushing and grinding coal ores.
After the coal ore is crushed and ground by the ball mill, the powder of the coal ore is classified by air separation, but the screening of the fineness of the coal ore powder by the air separation is not accurate enough, and coarse coal ore powder and fine coal ore powder are mixed to influence the screening quality.
Therefore, it is necessary to provide a new coal pulverizer coal fines adjusting and controlling device to solve the above technical problems.
Disclosure of utility model
The utility model provides a coal powder fineness adjustment control device of a coal mill, which aims to solve the technical problem that the screening of coal powder fineness by air separation is not accurate enough.
The utility model provides a coal mill pulverized coal fineness adjustment control device, which comprises: the support plate is fixed in the coal mill body; the rotating shaft is fixedly arranged on the supporting plate; the adjusting seat is fixedly arranged at the top of the rotating shaft; the adjusting shaft is rotatably arranged on the coal mill body; the two bevel gears are fixedly arranged on the adjusting shaft and the rotating shaft respectively and meshed with each other; the motor is fixedly arranged on the coal mill body, and an output shaft of the motor is fixedly connected with the adjusting shaft; the coal pulverizer comprises a coal pulverizer body, a coal pulverizer assembly, a coal pulverizer, a control seat and a control seat, wherein the coal pulverizer assembly is arranged in the coal pulverizer body and is used for assisting in grinding coal blocks, the coal pulverizer assembly comprises two electric telescopic rods and grinding blocks, the two electric telescopic rods are fixedly arranged in the coal pulverizer body, the grinding blocks are fixedly arranged on output rods of the two electric telescopic rods, and the grinding blocks are positioned right above the control seat; and the material selecting assembly is arranged on the coal mill body.
Preferably, the material selecting assembly comprises a fan, an exhaust pipe and a screen, wherein the fan is fixedly arranged on the outer wall of one side of the coal mill body, the exhaust pipe is fixedly arranged at the exhaust end of the fan and extends into the coal mill body, and the screen is detachably arranged in the coal mill body through bolts.
Preferably, the bottom of pivot fixed mounting have can with the puddler that screen cloth top contacted, the discharge gate has been seted up to the bottom of coal pulverizer body, the bottom fixed mounting of coal pulverizer body has the base.
Preferably, a guide hopper is fixedly arranged at the top of the grinding block, and the guide hopper is contacted with the inner wall of the coal mill body.
Preferably, the top of coal pulverizer body has seted up the charge door, the top of coal pulverizer body rotates installs the protective cover, the protective cover is located directly over the charge door.
Preferably, the rubber protection sleeves are fixedly sleeved outside the two electric telescopic rods, and the grinding block is provided with a material storage opening.
Compared with the related art, the coal pulverizer coal powder fineness adjustment control device provided by the utility model has the following beneficial effects:
the utility model provides a coal powder fineness adjusting and controlling device of a coal mill, which comprises the following components:
1. The motor drives the adjusting shaft to rotate, the adjusting shaft rotates to drive the rotating shaft to rotate under the mutual coordination of the bevel gears, so that the adjusting seat is driven to rotate, the coal blocks are ground by being matched with the grinding assembly, the distance between the grinding blocks and the adjusting seat can be adjusted by adjusting the extending length of the output rod of the electric telescopic rod, so that the grinding fineness of coal powder is adjusted, fresh air is discharged into the coal mill body through the fan, the coal powder can be preliminarily winnowed, and the ground coal powder is blown down to the top of the screen for further screening;
2. Can drive the puddler through the pivot rotation and rotate, can stir the buggy, make the buggy that is located on the upper strata contact with the screen cloth, be convenient for sieve the buggy, can be with throwing into this internal coal cinder of coal pulverizer into through the guide hopper and grind between the piece and the regulation seat, buggy can prevent through the charge door departure at coal pulverizer body top when grinding the coal cinder through the protective cover, cause the pollution to the environment, can protect electric telescopic handle through the rubber protective cover, prevent that buggy from directly gluing on electric telescopic handle and influencing its normal use.
Drawings
FIG. 1 is a schematic diagram of a schematic cross-sectional front view of a coal pulverizer coal fines adjustment control device according to a preferred embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1;
FIG. 3 is a schematic three-dimensional structure of the guide hopper and the grinding block according to the present utility model.
Reference numerals in the drawings: 1. a base; 2. a coal mill body; 3. a support plate; 4. a rotating shaft; 5. an adjusting seat; 6. an electric telescopic rod; 7. grinding the blocks; 8. an adjusting shaft; 9. bevel gears; 10. a motor; 11. a rubber protective sleeve; 12. a guide hopper; 13. a protective cover; 14. a blower; 15. an exhaust pipe; 16. a stirring rod; 17. and (3) screening.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1 to 3 in combination, fig. 1 is a schematic front sectional view of a preferred embodiment of a pulverized coal fineness adjustment control device for a coal pulverizer according to the present utility model; FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1; FIG. 3 is a schematic three-dimensional structure of the guide hopper and the grinding block according to the present utility model.
The coal pulverizer coal fines fineness adjustment control device includes: a support plate 3 fixed in the coal mill body 2; the rotating shaft 4 is fixedly arranged on the supporting plate 3; the adjusting seat 5 is fixedly arranged at the top of the rotating shaft 4; the adjusting shaft 8 is rotatably arranged on the coal mill body 2; the two bevel gears 9, the two bevel gears 9 are fixedly arranged on the adjusting shaft 8 and the rotating shaft 4 respectively, and the two bevel gears 9 are meshed; the motor 10 is fixedly arranged on the coal mill body 2, and an output shaft of the motor 10 is fixedly connected with the adjusting shaft 8; the coal pulverizer comprises a coal pulverizer body 2, wherein the coal pulverizer body 2 is internally provided with a coal pulverizing assembly, the coal pulverizing assembly is used for assisting in pulverizing coal blocks, the coal pulverizing assembly comprises two electric telescopic rods 6 and a grinding block 7, the two electric telescopic rods 6 are fixedly arranged in the coal pulverizer body 2, the grinding block 7 is fixedly arranged on output rods of the two electric telescopic rods 6, and the grinding block 7 is positioned right above an adjusting seat 5; the coal pulverizer comprises a coal pulverizer body 2, a material selecting assembly, a motor 10, an adjusting shaft 8, a rotating shaft 4, an adjusting seat 5, a grinding assembly, a grinding block 7 and an adjusting seat 5, wherein the material selecting assembly is arranged on the coal pulverizer body 2, the motor 10 drives the adjusting shaft 8 to rotate, the adjusting shaft 8 rotates to drive the rotating shaft 4 to rotate under the mutual cooperation of a bevel gear 9, the adjusting seat 5 rotates, the grinding assembly is matched with the grinding assembly to grind coal, and the distance between the grinding block 7 and the adjusting seat 5 can be adjusted by adjusting the extending length of an output rod of an electric telescopic rod 6, so that the grinding fineness of coal dust is adjusted.
The material selecting assembly comprises a fan 14, an exhaust pipe 15 and a screen 17, wherein the fan 14 is fixedly arranged on the outer wall of one side of the coal mill body 2, the exhaust pipe 15 is fixedly arranged at the exhaust end of the fan 14 and extends into the coal mill body 2, the screen 17 is detachably arranged in the coal mill body 2 through bolts, fresh air is discharged into the coal mill body 2 through the fan 14 to perform preliminary winnowing on coal dust, and the ground coal dust is blown down to the top of the screen 17 to perform further screening.
The bottom fixed mounting of pivot 4 can with puddler 16 that screen cloth 17 top contacted, the discharge gate has been seted up to the bottom of coal pulverizer body 2, the bottom fixed mounting of coal pulverizer body 2 has base 1, rotates through pivot 4 and can drive puddler 16 and rotate, can stir the buggy, makes the buggy that is located on the upper strata contact with screen cloth 17, is convenient for sieve the buggy.
The top fixed mounting of the grinding block 7 has a guide hopper 12, the guide hopper 12 with the inner wall of coal pulverizer body 2 contacts, can be with the coal cinder guide of throwing into in the coal pulverizer body 2 between grinding block 7 and the regulation seat 5 through guide hopper 12.
The feed inlet has been seted up at the top of coal pulverizer body 2, the top of coal pulverizer body 2 rotates and installs protective cover 13, protective cover 13 is located directly over the feed inlet, can prevent through protective cover 13 that buggy from flying out through the feed inlet at coal pulverizer body 2 top when grinding the coal cinder, causes the pollution to the environment.
Two the outer fixed cover of electric telescopic handle 6 is equipped with rubber protective sheath 11, set up the storage mouth on the grinding piece 7, can protect electric telescopic handle 6 through rubber protective sheath 11, prevent that buggy from directly gluing on electric telescopic handle 6 and influencing its normal use.
It should be noted that, in the present utility model, the circuits, electronic components and modules are all related to the prior art, and those skilled in the art may implement the present utility model completely, and it is needless to say that the protection of the present utility model does not relate to improvement of software and methods.
The working principle of the coal fines fineness adjustment control device of the coal mill provided by the utility model is as follows:
The scheme is also provided with an electric control cabinet, the electric control cabinet is arranged on the equipment, when the electric control cabinet is used, each electric equipment can be started to operate respectively, the power connection mode of each electric equipment is the prior mature technology, is a well-known technology of the person in the field, and is not redundant;
When the coal pulverizer is used, firstly, coal blocks are put into the coal pulverizer body 2, the rotary protection cover 13 seals the coal pulverizer body 2, the coal blocks fall into a material storage opening in the grinding block 7 through the guide hopper 12, the output rod extension length of the electric telescopic rod 6 is adjusted to adjust the distance between the grinding block 7 and the adjusting seat 5, so that the grinding fineness is adjusted, the motor 10 is started, the motor 10 drives the adjusting shaft 8 to rotate, under the mutual cooperation of the bevel gears 9, the adjusting shaft 8 rotates to drive the rotating shaft 4 to rotate, so that the adjusting seat 5 is driven to rotate, under the action of centrifugal force, the coal blocks are discharged to the position between the grinding block 7 and the adjusting seat 5 to grind, the fan 14 is started, the coal powder is blown down to the top of the screen 17 through the fan 14, at the moment, the rotating shaft 4 keeps rotating, the stirring rod 16 stirs the coal powder to match the screen 17 to further screen the coal powder, finer coal powder is discharged through the bottom of the coal pulverizer body 2, and the screen 17 can be taken down by removing bolts for fixing the screen 17.
Compared with the related art, the coal pulverizer coal powder fineness adjustment control device provided by the utility model has the following beneficial effects:
The utility model provides a coal powder fineness adjustment control device of a coal mill, which is characterized in that an adjusting shaft 8 is driven to rotate by a motor 10, under the mutual coordination of bevel gears 9, the adjusting shaft 8 rotates to drive a rotating shaft 4 to rotate so as to drive an adjusting seat 5 to rotate, a grinding assembly is matched to grind coal blocks, the distance between the grinding blocks 7 and the adjusting seat 5 can be adjusted by adjusting the extending length of an output rod of an electric telescopic rod 6, so that the grinding fineness of coal powder is adjusted, fresh air is discharged into a coal mill body 2 by a fan 14 to perform preliminary winnowing on the coal powder, the ground coal powder is blown down to the top of a screen 17 to further screen, a stirring rod 16 can be driven to rotate by rotating the rotating shaft 4, the coal powder on the upper layer can be stirred, the coal powder is enabled to be contacted with the screen 17 so as to screen the coal powder conveniently, the coal blocks put into the coal mill body 2 can be guided between the grinding blocks 7 and the adjusting seat 5 by a guide hopper 12, pollution to the environment caused by flying out of a feeding port at the top of the coal powder coal mill body 2 when the coal blocks can be prevented by a protective cover 13, and the electric telescopic rod 6 can be prevented from being directly adhered to the protective cover 6 by the electric telescopic rod.
The device structure and the drawings of the present utility model mainly describe the principle of the present utility model, and in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, but the specific details of the power mechanism, the power supply system, and the control system thereof can be clearly known on the premise that those skilled in the art understand the principle of the present utility model.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a coal pulverizer buggy fineness regulation controlling means which characterized in that includes:
The support plate is fixed in the coal mill body;
the rotating shaft is fixedly arranged on the supporting plate;
The adjusting seat is fixedly arranged at the top of the rotating shaft;
the adjusting shaft is rotatably arranged on the coal mill body;
The two bevel gears are fixedly arranged on the adjusting shaft and the rotating shaft respectively and meshed with each other;
The motor is fixedly arranged on the coal mill body, and an output shaft of the motor is fixedly connected with the adjusting shaft;
The coal pulverizer comprises a coal pulverizer body, a coal pulverizer assembly, a coal pulverizer, a control seat and a control seat, wherein the coal pulverizer assembly is arranged in the coal pulverizer body and is used for assisting in grinding coal blocks, the coal pulverizer assembly comprises two electric telescopic rods and grinding blocks, the two electric telescopic rods are fixedly arranged in the coal pulverizer body, the grinding blocks are fixedly arranged on output rods of the two electric telescopic rods, and the grinding blocks are positioned right above the control seat;
and the material selecting assembly is arranged on the coal mill body.
2. The coal pulverizer coal fines fineness adjustment control device according to claim 1, wherein the material selection assembly comprises a fan, an exhaust pipe and a screen, the fan is fixedly mounted on an outer wall of one side of the coal pulverizer body, the exhaust pipe is fixedly mounted at an exhaust end of the fan and extends into the coal pulverizer body, and the screen is detachably mounted in the coal pulverizer body by bolts.
3. The coal pulverizer coal fines fineness adjustment control device according to claim 2, wherein a stirring rod capable of contacting with the top of the screen is fixedly installed at the bottom of the rotating shaft, a discharge hole is formed in the bottom of the coal pulverizer body, and a base is fixedly installed at the bottom of the coal pulverizer body.
4. The coal pulverizer coal fines fineness adjustment control device according to claim 1, wherein a guide hopper is fixedly installed on the top of the grinding block, and the guide hopper is in contact with the inner wall of the coal pulverizer body.
5. The coal pulverizer coal fines fineness adjustment control device according to claim 1, wherein a feed port is provided at the top of the coal pulverizer body, and a protective cover is rotatably mounted at the top of the coal pulverizer body, and the protective cover is located right above the feed port.
6. The coal pulverizer coal fines fineness adjustment control device according to claim 1, wherein the rubber protection sleeves are fixedly sleeved outside the two electric telescopic rods, and the grinding block is provided with a material storage opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322604352.5U CN220991058U (en) | 2023-09-25 | 2023-09-25 | Coal pulverizer coal fines fineness regulation controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322604352.5U CN220991058U (en) | 2023-09-25 | 2023-09-25 | Coal pulverizer coal fines fineness regulation controlling means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220991058U true CN220991058U (en) | 2024-05-24 |
Family
ID=91127402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322604352.5U Active CN220991058U (en) | 2023-09-25 | 2023-09-25 | Coal pulverizer coal fines fineness regulation controlling means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220991058U (en) |
-
2023
- 2023-09-25 CN CN202322604352.5U patent/CN220991058U/en active Active
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