CN214974352U - Sieving device for coal mill of power plant boiler - Google Patents
Sieving device for coal mill of power plant boiler Download PDFInfo
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- CN214974352U CN214974352U CN202121179913.6U CN202121179913U CN214974352U CN 214974352 U CN214974352 U CN 214974352U CN 202121179913 U CN202121179913 U CN 202121179913U CN 214974352 U CN214974352 U CN 214974352U
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Abstract
The utility model relates to the technical field of coal mills, in particular to a sieving device for a power plant boiler coal mill, which comprises a device body, wherein the outer surface of the top of the device body is fixedly connected with a feeding hole, the upper side of the feeding hole is fixedly provided with a circulation hole, the outer surface of one side of the device body is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a grinding roller, the outer surface of the grinding roller is fixedly provided with a plurality of grinding bulges, the lower side of the grinding roller is fixedly connected with a discharging funnel, the lower side of the discharging funnel is provided with a screen mesh, two ends of the screen mesh penetrate through the inner walls of two sides of the device body, the outer surface of one side of the device body is fixedly provided with a fourth motor, the output end of the fourth motor is fixedly connected with a turntable, the edge of the turntable is fixedly connected with a connecting rod, in the utility model, through the fourth motor, the connecting rod and the turntable, can effectively prevent the screen mesh from being blocked and prolong the service life of the device.
Description
Technical Field
The utility model relates to a coal pulverizer technical field specifically is a power boiler coal pulverizer is with device that sieves.
Background
Coal mills are machines for breaking up and grinding coal briquettes into coal dust, which are important auxiliary equipment for coal dust furnaces. The grinding machine comprises a vertical type flour mill, a high-pressure suspension roller mill, a medium-speed micro-powder mill, an overpressure trapezoidal mill, a Raymond mill and the like. The prior sieving device of the coal mill has the following defects:
1. the structure of sieving of current coal pulverizer sieves for the screen cloth mostly, accomplishes the back at the coal pulverizer work, directly falls to sieve on the screen cloth, prevents that the buggy from grinding the back caking, uses to cause the influence to the buggy, and the current screen cloth of crossing is mostly fixed knot structure, and the buggy blocks up the mesh easily when sieving the buggy to lead to sieving efficiency to descend, makes the life reduction of device simultaneously.
2. After the sieving of the sieving device of the existing coal pulverizer is finished, the pulverized coal falling on the screen mesh and condensed into blocks or the coal blocks which are not fully ground need to be collected and ground by workers, so that the pulverized coal or the coal blocks are collected more difficultly, and the working efficiency is influenced.
Therefore, a sieving device for a coal mill of a power plant boiler is needed to improve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power boiler coal pulverizer is with device that sieves to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a power boiler coal pulverizer is with device that sieves, includes the device body, device body top surface fixed connection has the pan feeding mouth, the fixed circulation mouth that is equipped with of pan feeding mouth upside, device body one side outside fixed surface is connected with first motor, first motor output end fixedly connected with grinds the roller, it is equipped with a plurality of grinding arch to grind the fixed surface of roller outside, grind roller downside fixedly connected with unloading funnel, unloading funnel downside is equipped with the screen cloth, the screen cloth both ends all run through device body both sides inner wall, device body one side outside fixed surface is equipped with the fourth motor, fourth motor output end fixedly connected with carousel, carousel edge fixedly connected with connecting rod, connecting rod one end and screen cloth one end fixed connection, the screen cloth downside is equipped with buggy storage drawer.
As the utility model discloses preferred scheme, device body one side outside fixed surface is connected with the second motor, second motor output end fixedly connected with first threaded rod, threaded connection has first push pedal on the first threaded rod, the fixed first slide bar that is equipped with in first threaded rod one side, first slide bar runs through first push pedal.
As the utility model discloses preferred scheme, the inside bottom fixed surface of device body is connected with the third motor, third motor output end fixedly connected with second threaded rod, threaded connection has the collection box on the second threaded rod, the fixed second slide bar that is equipped with in second threaded rod one side, the second slide bar runs through the collection box.
As the utility model discloses preferred scheme, the inside one side fixed surface of collection box is connected with electric putter, electric putter one end fixedly connected with second push pedal.
As the utility model discloses preferred scheme, the connecting rod all through hinged joint between with carousel and the screen cloth respectively.
As the utility model discloses preferred scheme, grind the roller and be provided with two, two grind the crisscross setting in protruding position of the grinding on roller surface.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, fourth motor through the setting, connecting rod and carousel, start first motor and rotate, first motor rotates and drives grinding roller and rotates, grinding roller rotates further to make grinding roller surface's the arch of grinding further grind the coal cinder and smash, the buggy after smashing falls on the screen cloth surface through the unloading funnel, start fourth motor and rotate, the fourth motor rotates and further drives the carousel and rotates, the carousel rotates the one end that further makes the connecting rod and rotates around the carousel, further make the other end of connecting rod drive screen cloth back and forth movement, further sieve the buggy that falls on the screen cloth, screen qualified buggy and collect in getting into buggy storage drawer through the mesh on the screen cloth, unqualified buggy stops on the screen cloth, can effectively prevent screen cloth jam, extension fixture's life.
2. In the utility model, the recovery box, the third motor and the circulation port are arranged, the second motor is started to rotate, the second motor further drives the first threaded rod to rotate, the first threaded rod further drives the first push plate to move on the surface of the screen, unqualified coal powder is further pushed to the recovery box, the electric push rod is started to contract at the same time, the second push plate is further driven to enter the recovery box, unqualified coal powder groups are further prevented from entering the recovery box, the third motor is restarted to rotate, the third motor further drives the second threaded rod to rotate, the second threaded rod further drives the recovery box to move upwards, when the recovery box moves to the top of the device body, the electric push rod is started to extend, the second push plate is further driven to push unqualified coal powder in the recovery box into the circulation port through the circulation port, and then the recovery box is ground again through the circulation port, the coal blocks on the screen can be automatically collected and poured into the device body again for re-grinding, so that the quality and the working efficiency of the pulverized coal are improved.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a schematic front sectional view of the present invention;
FIG. 3 is a schematic side sectional view of the grinding roller of the present invention;
fig. 4 is a schematic side sectional view of the third motor of the present invention.
In the figure: 1. a device body; 2. a circulation port; 3. a feeding port; 4. a first motor; 5. a second motor; 6. a first push plate; 7. a first threaded rod; 8. screening a screen; 9. a pulverized coal storage drawer; 10. a second push plate; 11. a recycling bin; 12. a third motor; 13. an electric push rod; 14. a second threaded rod; 15. a discharging hopper; 16. grinding the bumps; 17. a grinding roller; 18. a connecting rod; 19. a turntable; 20. a fourth motor; 21. a first slide bar; 22. a second slide bar.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the present invention are presented. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, the present invention provides a technical solution:
example 1, referring to fig. 1 and 2, 3 and 4, the sieving device for the coal mill of the power plant boiler comprises a device body 1, wherein a feeding port 3 is fixedly connected to the outer surface of the top of the device body 1, a circulation port 2 is fixedly arranged on the upper side of the feeding port 3, a first motor 4 is fixedly connected to the outer surface of one side of the device body 1, a grinding roller 17 is fixedly connected to the output end of the first motor 4, a plurality of grinding protrusions 16 are fixedly arranged on the outer surface of the grinding roller 17, a discharging hopper 15 is fixedly connected to the lower side of the grinding roller 17, a screen 8 is arranged on the lower side of the discharging hopper 15, two ends of the screen 8 penetrate through the inner walls of two sides of the device body 1, a fourth motor 20 is fixedly arranged on the outer surface of one side of the device body 1, a turntable 19 is fixedly connected to the output end of the fourth motor 20, a connecting rod 18 is fixedly connected to the edge of the turntable 19, one end of the connecting rod 18 is fixedly connected to one end of the screen 8, and a pulverized coal storage drawer 9 is arranged on the lower side of the screen 8; put into the device body 1 through pan feeding mouth 3 with the coal cinder, start first motor 4 and rotate, first motor 4 rotates and drives grinding roller 17 and rotates, grinding roller 17 rotates and further makes grinding arch 16 on grinding roller 17 surface grind the coal cinder and smash, the buggy after smashing falls on the screen cloth 8 surface through unloading funnel 15, start fourth motor 20 and rotate, fourth motor 20 rotates and further drives carousel 19 and rotates, carousel 19 rotates and further makes the one end of connecting rod 18 rotate around carousel 19, further make the other end of connecting rod 18 drive screen cloth 8 round trip movement, further sieve the buggy that falls on screen cloth 8, screen qualified buggy and get into in the buggy storage drawer 9 through the mesh on screen cloth 8 and collect, unqualified buggy stops on the screen cloth 8.
Example 2 referring to fig. 1 and 2, 3 and 4, the sieving device for the coal mill of the power plant boiler comprises a device body 1, wherein a feeding port 3 is fixedly connected to the outer surface of the top of the device body 1, a circulation port 2 is fixedly arranged on the upper side of the feeding port 3, a first motor 4 is fixedly connected to the outer surface of one side of the device body 1, a grinding roller 17 is fixedly connected to the output end of the first motor 4, a plurality of grinding protrusions 16 are fixedly arranged on the outer surface of the grinding roller 17, a discharging hopper 15 is fixedly connected to the lower side of the grinding roller 17, a screen 8 is arranged on the lower side of the discharging hopper 15, two ends of the screen 8 penetrate through the inner walls of two sides of the device body 1, a fourth motor 20 is fixedly arranged on the outer surface of one side of the device body 1, a turntable 19 is fixedly connected to the output end of the fourth motor 20, a connecting rod 18 is fixedly connected to the edge of the turntable 19, one end of the connecting rod 18 is fixedly connected to one end of the screen 8, and a pulverized coal storage drawer 9 is arranged on the lower side of the screen 8; the outer surface of one side of the device body 1 is fixedly connected with a second motor 5, the output end of the second motor 5 is fixedly connected with a first threaded rod 7, the first threaded rod 7 is in threaded connection with a first push plate 6, one side of the first threaded rod 7 is fixedly provided with a first slide rod 21, and the first slide rod 21 penetrates through the first push plate 6; the surface of the bottom inside the device body 1 is fixedly connected with a third motor 12, the output end of the third motor 12 is fixedly connected with a second threaded rod 14, the second threaded rod 14 is in threaded connection with a recovery box 11, one side of the second threaded rod 14 is fixedly provided with a second slide bar 22, and the second slide bar 22 penetrates through the recovery box 11; the surface of one side inside the recovery box 11 is fixedly connected with an electric push rod 13, and one end of the electric push rod 13 is fixedly connected with a second push plate 10; the second motor 5 is started to rotate, the second motor 5 further drives the first threaded rod 7 to rotate, the first threaded rod 7 further drives the first push plate 6 to move on the surface of the screen 8 by rotating, unqualified coal powder is further pushed to the recovery box 11, meanwhile, the electric push rod 13 is started to contract to further drive the second push plate 10 to enter the recovery box 11, further unqualified coal dust groups do not enter the recovery box 11, the third motor 12 is started to rotate, the third motor 12 rotates to further drive the second threaded rod 14 to rotate, the second threaded rod 14 rotates to further drive the recovery box 11 to move upwards, when the recycling bin 11 moves to the top of the device body 1, the electric push rod 13 is started to extend, the second push plate 10 is further enabled to push unqualified coal powder in the recycling bin 11 into the feeding port 3 through the circulating port 2, and the unqualified coal powder enters the device body 1 again through the feeding port 3 to be ground.
In embodiment 3, referring to fig. 1, 2, 3 and 4, the connecting rod 18 is respectively connected with the rotating disc 19 and the screen 8 through hinges; the grinding roller 17 is provided with two grinding bulges 16 which are arranged on the surface of the two grinding rollers 17 in a staggered mode.
The working principle is as follows: when the coal dust screening device is used, coal blocks are put into the device body 1 through the feeding port 3, the first motor 4 is started to rotate, the first motor 4 rotates to drive the grinding roller 17 to rotate, the grinding roller 17 rotates to further enable the grinding bulge 16 on the surface of the grinding roller 17 to grind and crush the coal blocks, the crushed coal dust falls on the surface of the screen 8 through the discharging hopper 15, the fourth motor 20 is started to rotate, the fourth motor 20 rotates to further drive the turntable 19 to rotate, the turntable 19 rotates to further enable one end of the connecting rod 18 to rotate around the turntable 19, the other end of the connecting rod 18 drives the screen 8 to move back and forth, the coal dust falling on the screen 8 is further screened, the qualified screened coal dust enters the coal dust storage drawer 9 through meshes on the screen 8 to be collected, the unqualified coal dust stays on the screen 8, the second motor 5 is started to rotate, the second motor 5 rotates to further drive the first threaded rod 7 to rotate, the first threaded rod 7 rotates to further drive the first push plate 6 to move on the surface of the screen 8, unqualified coal powder is further pushed to the recovery box 11, meanwhile, the electric push rod 13 is started to contract, the second push plate 10 is further driven to enter the recovery box 11, unqualified coal powder groups are further prevented from entering the recovery box 11, the third motor 12 is started to rotate again, the third motor 12 rotates to further drive the second threaded rod 14 to rotate, the second threaded rod 14 rotates to further drive the recovery box 11 to move upwards, when the recovery box 11 moves to the top of the device body 1, the electric push rod 13 is started to extend, the unqualified coal powder in the recovery box 11 is further pushed into the material inlet 3 through the circulation port 2 by the second push plate 10, and then enters the device body 1 again through the material inlet 3 to be ground.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a boiler coal pulverizer of power plant is with device that sieves, includes device body (1), its characterized in that: the device comprises a device body (1), wherein a feeding port (3) is fixedly connected to the outer surface of the top of the device body (1), a circulating port (2) is fixedly arranged on the upper side of the feeding port (3), a first motor (4) is fixedly connected to the outer surface of one side of the device body (1), a grinding roller (17) is fixedly connected to the output end of the first motor (4), a plurality of grinding protrusions (16) are fixedly arranged on the outer surface of the grinding roller (17), a discharging funnel (15) is fixedly connected to the lower side of the grinding roller (17), a screen (8) is arranged on the lower side of the discharging funnel (15), two ends of the screen (8) penetrate through the inner walls of two sides of the device body (1), a fourth motor (20) is fixedly arranged on the outer surface of one side of the device body (1), a turntable (19) is fixedly connected to the output end of the fourth motor (20), and a connecting rod (18) is fixedly connected to the edge of the turntable (19), one end of the connecting rod (18) is fixedly connected with one end of the screen (8), and a coal powder storage drawer (9) is arranged on the lower side of the screen (8).
2. The sieving device for the coal mill of the power plant boiler according to claim 1, characterized in that: the device body (1) one side outside fixed surface is connected with second motor (5), second motor (5) output end fixedly connected with first threaded rod (7), threaded connection has first push pedal (6) on first threaded rod (7), first threaded rod (7) one side is fixed and is equipped with first slide bar (21), first slide bar (21) run through first push pedal (6).
3. The sieving device for the coal mill of the power plant boiler according to claim 1, characterized in that: the device body (1) is inside bottom fixed surface to be connected with third motor (12), third motor (12) output end fixed connection has second threaded rod (14), threaded connection has collection box (11) on second threaded rod (14), second threaded rod (14) one side is fixed and is equipped with second slide bar (22), collection box (11) is run through in second slide bar (22).
4. The sieving device for the coal mill of the power plant boiler according to claim 3, characterized in that: the surface of one side inside the recycling box (11) is fixedly connected with an electric push rod (13), and one end of the electric push rod (13) is fixedly connected with a second push plate (10).
5. The sieving device for the coal mill of the power plant boiler according to claim 1, characterized in that: the connecting rods (18) are respectively connected with the rotary disc (19) and the screen (8) through hinges.
6. The sieving device for the coal mill of the power plant boiler according to claim 1, characterized in that: the grinding rollers (17) are provided with two grinding bulges (16) on the surfaces of the two grinding rollers (17) in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121179913.6U CN214974352U (en) | 2021-05-30 | 2021-05-30 | Sieving device for coal mill of power plant boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121179913.6U CN214974352U (en) | 2021-05-30 | 2021-05-30 | Sieving device for coal mill of power plant boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214974352U true CN214974352U (en) | 2021-12-03 |
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ID=79087192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121179913.6U Active CN214974352U (en) | 2021-05-30 | 2021-05-30 | Sieving device for coal mill of power plant boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214974352U (en) |
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2021
- 2021-05-30 CN CN202121179913.6U patent/CN214974352U/en active Active
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