CN218013053U - Continuous circulating coal crushing device of raw coal crusher - Google Patents
Continuous circulating coal crushing device of raw coal crusher Download PDFInfo
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- CN218013053U CN218013053U CN202222404942.9U CN202222404942U CN218013053U CN 218013053 U CN218013053 U CN 218013053U CN 202222404942 U CN202222404942 U CN 202222404942U CN 218013053 U CN218013053 U CN 218013053U
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Abstract
The application provides a continuous circulation coal crushing device of a raw coal crusher, which comprises a crushing bin; the first grinding disc is arranged in the crushing bin; the first grinding disc is provided with a first through hole which can allow crushed coal with the diameter equal to or smaller than the preset diameter to pass through, and the first grinding disc is provided with a second through hole which can allow crushed coal with the diameter larger than the preset diameter to pass through; the second grinding disc is positioned above the first grinding disc; the second grinding disc is connected with a scraper which is in sliding contact with the top surface of the first grinding disc; the collecting bin is positioned on one side of the first grinding disc, an input port is arranged at the bottom of the side wall of the collecting bin, and the input port is communicated with the second through hole through a conveying pipe; the top of the side wall is provided with an output port; the output shaft of the first driving motor is fixedly connected with the second grinding disc; the output shaft of the second driving motor extends to the output port, and the output shaft is spirally provided with a transmission blade; the device can circulate broken coal that is greater than preset diameter, has improved crushing efficiency.
Description
Technical Field
The disclosure relates generally to the technical field of raw coal crushing, and particularly relates to a continuous circulation coal crushing device of a raw coal crusher.
Background
Coal washing is an important process in coal deep processing, the content of impurities carried by raw coal after washing is greatly reduced, pollutants and ash content generated after combustion are greatly reduced, and clean utilization of coal is realized. However, because of the lack of correlation among various devices such as crushers, screening machines and the like used in the existing coal washing process, the raw coal needs to be manually transported to the next process after the processes such as crushing, screening and the like, and unqualified coal blocks are transported back to the crusher again for crushing, and the existing coal processing cannot be circularly processed, so that the processing is incomplete, and resources are wasted;
the existing raw coal crusher is not provided with a circulating crushing device, so that the raw coal is not crushed fully, and the crushing efficiency is low; the existing raw coal crusher does not have the function of sealing a feed inlet when raw coal is crushed, so that smoke dust is escaped from the feed inlet.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a continuous circulation coal crushing apparatus of a raw coal crusher, comprising,
the crushing bin is internally provided with a crushing cavity;
the first grinding disc is fixedly arranged in the crushing cavity, and a plurality of first crushing teeth are arranged on the top surface of the first grinding disc; the first grinding disc is provided with a plurality of first through holes, the first through holes can enable crushed coal particles with the diameter equal to or smaller than the preset diameter to pass through, the top surface of the first grinding disc is provided with second through holes, and the second through holes can enable crushed coal particles with the diameter larger than the preset diameter to pass through;
the second grinding disc is rotatably arranged in the crushing cavity and positioned above the first grinding disc, and a plurality of second crushing teeth are arranged on the bottom surface of the second grinding disc; a crushing space is formed between the second grinding disc and the first grinding disc; a scraping plate is fixedly connected to the second grinding disc and is in sliding contact with the top surface of the first grinding disc;
the collecting bin is arranged in the crushing cavity and positioned on one side of the first grinding disc, the collecting bin is internally provided with a collecting cavity, the bottom of a first side wall of the collecting bin is provided with an input port, the first side wall is close to the first grinding disc, and the input port is communicated with the second through hole through a conveying pipe; the top of the first side wall is provided with an output port;
the first driving motor is fixedly arranged at the bottom of the crushing bin, and an output shaft of the first driving motor penetrates through the first grinding disc in a rotating mode and is fixedly connected with the second grinding disc;
the second driving motor is fixedly installed at the bottom of the collecting cavity, an output shaft of the second driving motor extends to the position of the output port, and conveying blades are spirally arranged on the output shaft.
According to the technical scheme that this application embodiment provided, the slope is provided with first guide plate in the broken intracavity, the one end fixed connection of first guide plate in first lateral wall leans on into delivery outlet department, the other end to first mill is kept away from one side extension of first lateral wall.
According to the technical scheme that this application embodiment provided, broken intracavity slope is provided with the second guide plate, the one end fixed connection of second guide plate is on the second lateral wall in broken chamber, the second lateral wall with first lateral wall is relative, the other end of guide plate extends to on the top surface of first mill, the second guide plate with form the water conservancy diversion space between the first guide plate.
According to the technical scheme that this application embodiment provided, the feed inlet has been seted up at the top in broken storehouse, the feed inlet top is equipped with feed arrangement, feed arrangement includes:
the feeding pipe is hollow inside; one end of the feeding pipe is fixedly arranged at the edge of the feeding hole, and the other end of the feeding pipe is provided with a circular truncated cone-shaped feeding hopper;
the baffle is hinged with the inner wall of the feeding pipe;
the air cylinder is fixedly installed on the outer wall of the feeding pipe, and the driving end of the air cylinder movably penetrates through the feeding pipe and abuts against the bottom surface of the baffle.
According to the technical scheme that this application embodiment provided, the bottom in broken storehouse is provided with the discharge gate.
According to the technical scheme that this application embodiment provided, the bottom fixed mounting in broken storehouse has the support column, support column bottom fixed mounting has the backing plate.
According to the technical scheme that this application embodiment provided, be provided with observation window on the lateral wall in broken storehouse.
The beneficial effect of this application does: when the continuous circulating coal crushing device of the raw coal crusher is used, raw coal is added into a crushing space of a crushing cavity, a first driving motor is started, a second grinding disc is driven by the first driving motor to rotate, so that the raw coal is crushed in the crushing space, crushed coal particles smaller than or equal to a preset diameter flow out of a first through hole, the crushed coal particles larger than the preset diameter flow into a second through hole under the driving of a scraping plate and flow into a collecting bin along a conveying pipe, a second driving motor is started, a conveying blade is driven by the second driving motor to rotate, the spiral conveying blade conveys the crushed coal particles larger than the preset diameter to an output port, the crushed coal particles larger than the preset diameter are output into the crushing space from the output port and are crushed again; the device can circulate broken coal particle that is greater than preset diameter for the raw coal is more abundant when carrying out the breakage, has improved crushing efficiency.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
FIG. 1 is a front sectional view of a continuous circulation coal crushing apparatus of a raw coal crusher;
FIG. 2 is a schematic view showing the overall construction of a continuous circulation coal crushing apparatus of a raw coal crusher;
FIG. 3 is a schematic view of the structure at A in FIG. 1;
fig. 4 is a schematic structural view of the first grinding disc and the second grinding disc in fig. 1.
In the figure: 1. a crushing bin; 2. a first abrasive disc; 3. a first crushing tooth; 4. a first through hole; 5. a second abrasive disc; 6. a second crushing tooth; 7. a squeegee; 8. a second through hole; 9. an input port; 10. a delivery pipe; 11. an output pipe; 12. a first drive motor; 13. a second drive motor; 14. a conveying leaf; 15. a first baffle; 16. a second baffle; 17. a feed pipe; 18. a feed hopper; 19. a cylinder; 20. a baffle plate; 21. a discharge port; 22. a support pillar; 23. a backing plate; 24. an observation window; 25. and collecting the bin.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1-4, a continuous circulation coal crushing device of a raw coal crusher comprises a crushing bin 1, wherein the crushing bin 1 is internally provided with a crushing cavity;
the first grinding disc 2 is fixedly arranged in the crushing cavity, and a plurality of first crushing teeth 3 are arranged on the top surface of the first grinding disc 2; the first grinding disc 2 is provided with a plurality of first through holes 4, the first through holes 4 can enable crushed coal particles with the diameter equal to or smaller than a preset diameter to pass through, the top surface of the first grinding disc 2 is provided with second through holes 8, and the second through holes 8 can enable crushed coal particles with the diameter larger than the preset diameter to pass through;
the second grinding disc 5 is rotatably arranged in the crushing cavity and positioned above the first grinding disc 2, and a plurality of second crushing teeth 6 are arranged on the bottom surface of the second grinding disc 5; a crushing space is formed between the second grinding disc 5 and the first grinding disc 2; a scraper 7 is fixedly connected to the second grinding disc 5, and the scraper 7 is in sliding contact with the top surface of the first grinding disc 2;
the collecting bin 25 is arranged in the crushing cavity and located on one side of the first grinding disc 2, a collecting cavity is arranged in the collecting bin 25, an input port 9 is formed in the bottom of a first side wall of the collecting bin 25, the first side wall is close to the first grinding disc 2, and the input port 9 is communicated with the second through hole 8 through a conveying pipe 10; the top of the first side wall is provided with an output port 11;
the first driving motor 12 is fixedly arranged at the bottom of the crushing bin 1, and an output shaft of the first driving motor 12 penetrates through the first grinding disc 2 in a rotating mode and is fixedly connected with the second grinding disc 5;
the second driving motor 13 is fixedly installed at the bottom of the collecting cavity, an output shaft of the second driving motor 13 extends to the output port 11, and a conveying blade 14 is spirally arranged on the output shaft.
Wherein, the broken coal particles of presetting the diameter are the broken coal particles of actual needs, and the aperture of first through-hole 4 sets up according to actual needs.
Specifically, as shown in fig. 1, a first guide plate 15 is obliquely arranged in the crushing cavity, one end of the first guide plate 15 is fixedly connected to the first side wall near the output port 11, and the other end of the first guide plate extends to one side of the first grinding disc 2 far away from the first side wall, so as to guide the crushed coal particles output from the output port 11 to the first grinding disc 2 for crushing;
specifically, as shown in fig. 1, a second guide plate 16 is obliquely arranged in the crushing cavity, one end of the second guide plate 16 is fixedly connected to a second side wall of the crushing cavity, the second side wall is opposite to the first side wall, the other end of the guide plate extends to the top surface of the first grinding disc 2, and a guide space is formed between the second guide plate 16 and the first guide plate 15 and is used for guiding crushed coal particles to the first grinding disc 2 for crushing;
specifically, as shown in fig. 1 and 3, a feed inlet is formed in the top of the crushing bin 1, a feeding device is arranged above the feed inlet, and the feeding device includes:
a feeding pipe 17, wherein the feeding pipe 17 is hollow inside; one end of the feeding pipe 17 is fixedly arranged at the edge of the feeding hole, and the other end of the feeding pipe is provided with a circular truncated cone-shaped feeding hopper 18;
the baffle plate 20 is hinged with the inner wall of the feeding pipe 17;
the air cylinder 19 is fixedly arranged on the outer wall of the feeding pipe 17, and the driving end of the air cylinder 19 movably penetrates through the feeding pipe 17 and abuts against the bottom surface of the baffle 20.
In this embodiment, two baffles 20 are hinged to two opposite sides of the inner wall of the feeding pipe 17;
in the present embodiment, two cylinders 19 are provided for each baffle 20; when the driving end of the cylinder 19 extends, the baffle 20 rotates upwards around a hinge point, so that the baffle 20 shields the feed inlet to prevent smoke from escaping; when the driving end of the air cylinder 19 contracts, the baffle plate 20 rotates downwards around a hinge point under the action of gravity, so that the baffle plate 20 releases the shielding of the feed port;
specifically, the bottom of the crushing bin 1 is provided with a discharge port 21.
Specifically, a support column 22 is fixedly installed at the bottom of the crushing bin 1, and a backing plate 23 is fixedly installed at the bottom of the support column 22.
Specifically, an observation window 24 is arranged on the side wall of the crushing bin 1, so that a worker can observe the working condition inside the crushing bin 1 through the observation window 24.
The working process comprises the following steps:
when the continuous circulating coal crushing device of the raw coal crusher is used, the driving end of the air cylinder 19 is started to contract, and the baffle plate 20 moves downwards around a hinged point under the action of gravity to remove the shielding of a feed port;
then, raw coal is added into a crushing cavity from a feed hopper 18, the raw coal falls into a crushing space between a first grinding disc 2 and a second grinding disc 5 along a first guide plate 15 and a second guide plate 16, a first driving motor 12 is started, the first driving motor 12 drives the second grinding disc 5 to rotate, the raw coal is crushed under the action of a first crushing tooth 3 and a second crushing tooth 6, crushed coal particles with the diameter equal to or smaller than a preset diameter flow out of a first through hole 4 and then flow out of a discharge hole 21, the crushed coal particles with the diameter larger than the preset diameter flow into a second through hole 8 under the pushing of a scraping plate 7, then flow into a collecting bin 25 along a conveying pipe 10, a second driving motor 13 is started, the second driving motor 13 drives a conveying blade 14 to rotate, the spirally arranged conveying blade 14 conveys the crushed coal particles with the diameter larger than the preset diameter to an output port, the crushed coal particles with the diameter larger than the preset diameter are output from the output port, flow into the crushing space along the first guide plate 15 and the second guide plate 16, and are crushed; the device can circularly crush crushed coal particles with diameters larger than a preset diameter, so that raw coal is more fully crushed, and the crushing efficiency is improved;
after raw coal is added into the crushing cavity, the driving end of the starting cylinder 19 is extended to enable the baffle plate 20 to move upwards around the hinged point, so that the baffle plate 20 shields the feeding hole, and the smoke dust in the crushing bin is prevented from escaping outwards to pollute the environment.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (7)
1. A continuous circulation coal crushing device of a raw coal crusher is characterized by comprising,
the crushing bin (1) is internally provided with a crushing cavity;
the first grinding disc (2) is fixedly arranged in the crushing cavity, and a plurality of first crushing teeth (3) are arranged on the top surface of the first grinding disc (2); the first grinding disc (2) is provided with a plurality of first through holes (4), the first through holes (4) can enable crushed coal particles with diameters equal to or smaller than a preset diameter to pass through, the top surface of the first grinding disc (2) is provided with second through holes (8), and the second through holes (8) can enable crushed coal particles with diameters larger than the preset diameter to pass through;
the second grinding disc (5) is rotatably arranged in the crushing cavity and positioned above the first grinding disc (2), and a plurality of second crushing teeth (6) are arranged on the bottom surface of the second grinding disc (5); a crushing space is formed between the second grinding disc (5) and the first grinding disc (2); a scraper (7) is fixedly connected to the second grinding disc (5), and the scraper (7) is in sliding contact with the top surface of the first grinding disc (2);
the collecting bin (25) is arranged in the crushing cavity and located on one side of the first grinding disc (2), the collecting bin (25) is internally provided with a collecting cavity, an input port (9) is formed in the bottom of a first side wall of the collecting bin (25), the first side wall is close to the first grinding disc (2), and the input port (9) is communicated with the second through hole (8) through a conveying pipe (10); an output port (11) is formed in the top of the first side wall;
the first driving motor (12), the first driving motor (12) is fixedly installed at the bottom of the crushing bin (1), and an output shaft of the first driving motor (12) penetrates through the first grinding disc (2) in a rotating mode and is fixedly connected with the second grinding disc (5);
the second driving motor (13), second driving motor (13) fixed mounting be in the bottom of collecting the chamber, the output shaft of second driving motor (13) extends to delivery outlet (11) department, spiral set has transmission leaf (14) on the output shaft.
2. The continuous circulation coal crushing device of the raw coal crusher as claimed in claim 1, wherein a first guide plate (15) is obliquely arranged in the crushing cavity, one end of the first guide plate (15) is fixedly connected to the first side wall near the output port (11), and the other end of the first guide plate extends towards one side of the first grinding disc (2) far away from the first side wall.
3. The continuous circulation coal crushing device of the raw coal crusher as claimed in claim 2, wherein a second guide plate (16) is obliquely arranged in the crushing cavity, one end of the second guide plate (16) is fixedly connected to a second side wall of the crushing cavity, the second side wall is opposite to the first side wall, the other end of the guide plate extends to the top surface of the first grinding disc (2), and a guide space is formed between the second guide plate (16) and the first guide plate (15).
4. The continuous circulation coal crushing device of the raw coal crusher as claimed in claim 3, wherein the top of the crushing bin (1) is provided with a feed inlet, a feeding device is arranged above the feed inlet, and the feeding device comprises:
a feeding pipe (17), wherein the feeding pipe (17) is hollow inside; one end of the feeding pipe (17) is fixedly arranged at the edge of the feeding port, and the other end of the feeding pipe is provided with a circular truncated cone-shaped feeding hopper (18);
the baffle (20), the said baffle (20) is hinged with inner wall of the said feed pipe (17);
the air cylinder (19) is fixedly mounted on the outer wall of the feeding pipe (17), and the driving end of the air cylinder (19) movably penetrates through the feeding pipe (17) and abuts against the bottom surface of the baffle plate (20).
5. A continuous cycle coal crushing device of a raw coal crusher according to claim 4, characterized in that the bottom of the crushing bin (1) is provided with a discharge outlet (21).
6. A continuous circulation coal crushing device of a raw coal crusher according to claim 5, characterized in that the bottom of the crushing bin (1) is fixedly provided with a support column (22), and the bottom of the support column (22) is fixedly provided with a backing plate (23).
7. A continuous cycle coal crushing device of a raw coal crusher according to claim 6, characterized in that the side wall of the crushing bin (1) is provided with a viewing window (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222404942.9U CN218013053U (en) | 2022-09-07 | 2022-09-07 | Continuous circulating coal crushing device of raw coal crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222404942.9U CN218013053U (en) | 2022-09-07 | 2022-09-07 | Continuous circulating coal crushing device of raw coal crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218013053U true CN218013053U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222404942.9U Active CN218013053U (en) | 2022-09-07 | 2022-09-07 | Continuous circulating coal crushing device of raw coal crusher |
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| Country | Link |
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| CN (1) | CN218013053U (en) |
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- 2022-09-07 CN CN202222404942.9U patent/CN218013053U/en active Active
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