CN111715388A - Coal sample preparation breaker that sieves - Google Patents
Coal sample preparation breaker that sieves Download PDFInfo
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- CN111715388A CN111715388A CN202010398512.3A CN202010398512A CN111715388A CN 111715388 A CN111715388 A CN 111715388A CN 202010398512 A CN202010398512 A CN 202010398512A CN 111715388 A CN111715388 A CN 111715388A
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- screening
- crushing
- coal sample
- sieving
- sample preparation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
Abstract
The invention belongs to the technical field of thermal power generation, and relates to a coal sample preparation, sieving and crushing device which comprises a discharging mechanism, a sieving mechanism and a crushing mechanism, wherein the discharging mechanism, the sieving mechanism and the crushing mechanism are sequentially arranged from top to bottom; screening mechanism includes the base, rotates and sets up in the revolving stage of base and sets up in a plurality of sieve section of thick bamboo of revolving stage, and a plurality of sieve section of thick bamboo are used for screening the coal sample of different diameters, and a sieve section of thick bamboo is including screening feed inlet, screening discharge gate and the screening portion that is used for screening the coal sample. The rotary table is provided with the plurality of screen cylinders for the coal samples with different diameters, so that the coal samples can be screened and crushed in stages, manual operation is simplified, labor cost is reduced, and the screening and crushing speed of the coal samples is greatly improved.
Description
Technical Field
The invention relates to the technical field of thermal power generation, in particular to a coal sample preparation, sieving and crushing device.
Background
The coming coal of the power plant needs to be sampled, and then the sampled coal sample is prepared into a 0.2mm powder sample and then is tested to determine the coming coal quality. In the process of preparing the coal sample to 0.2mm, the coal sample needs to pass through three stages of 13mm, 6mm and 3mm, the three stages need to be screened, oversize materials in different stages are crushed, and the corresponding coal sample in each stage is guaranteed to meet the corresponding granularity requirement. At present, most of power plants adopt a manual operation standard sieve to sieve coal samples, and after the sieve is sieved, oversize materials are conveyed to a crusher through containers such as barrels to be crushed to corresponding granularity, 2 persons are needed to operate most of the time, the labor intensity is high, dust is large in the operation process, and the working efficiency is low.
Disclosure of Invention
The embodiment of the invention aims to provide a coal sample preparation, sieving and crushing device, which is used for solving the technical problems of high labor intensity, serious dust raising and lower sieving efficiency of the current coal sample sieving of a power plant.
In order to solve the technical problem, the embodiment of the invention provides a coal sample preparation, sieving and crushing device, which adopts the following technical scheme:
the coal sample preparation sieving and crushing device comprises a discharging mechanism, a sieving mechanism and a crushing mechanism,
the discharging mechanism, the screening mechanism and the crushing mechanism are sequentially arranged from top to bottom, the discharging mechanism is used for collecting a coal sample to be screened and putting the coal sample to be screened into the screening mechanism for screening, and the crushing mechanism is used for crushing the coal sample screened by the screening mechanism;
screening mechanism include the base, rotate set up in the revolving stage of base with set up in a plurality of sieve section of thick bamboo, a plurality of sieve section of thick bamboo is used for screening the coal sample of different diameters, sieve section of thick bamboo is including screening feed inlet, screening discharge gate and the screening portion that is used for screening the coal sample, rotates the revolving stage enables one of them the screening feed inlet intercommunication of sieve section of thick bamboo drop feed mechanism makes this simultaneously the screening discharge gate intercommunication of sieve section of thick bamboo crushing mechanism.
In some embodiments, the screen drum is rotatably disposed on the rotating table, and the rotating table is provided with a first driving member for driving the screen drum to rotate.
In some embodiments, the screen drum is obliquely disposed to the rotating table.
In some embodiments, the screen drum is hinged to the rotary table.
In some embodiments, the side wall of the screen cylinder is provided with a plurality of screen holes to form the screen portion, and the screen holes of each screen cylinder are different in diameter.
In some embodiments, the base is provided with a fixing member for fixing the rotating platform, one end of the fixing member is provided with a sliding groove in sliding connection with the outer side of the rotating platform, the fixing member is provided with a threaded hole communicated with the sliding groove, a screw member is connected in the threaded hole, and the end of the screw member can be abutted against the rotating platform by rotating the screw member.
In some embodiments, the emptying mechanism comprises a charging barrel and a blanking switch, the charging barrel is funnel-shaped, a blanking outlet is formed in the bottom end of the charging barrel, and the blanking switch is arranged at the blanking outlet and used for controlling the caliber of the blanking outlet.
In some embodiments, the crushing mechanism comprises a crusher body, the crusher body is provided with a crushing feed inlet and a crushing discharge chute, and the crusher body is provided with a feed switch for controlling the size of the crushing feed inlet.
In some embodiments, the crusher body is provided with a material guiding surface which extends from the top end to the side close to the crushing discharge chute in a downward inclination manner, the crushing feed inlet is positioned on the material guiding surface, and when the screening discharge outlet of one of the screen cylinders is communicated with the crushing feed inlet, the screening part of the screen cylinder is positioned right above the material guiding surface.
In some embodiments, the coal sample preparation, sieving and crushing device further comprises a sample receiving disc arranged at the bottom end of the crushing mechanism.
Compared with the prior art, the coal sample preparation sieving and crushing device provided by the embodiment of the invention mainly has the following beneficial effects:
when the coal sample crusher works specifically, a coal sample to be screened is placed in the discharging mechanism, then the rotating platform is rotated according to the screening requirement, the screening feed port of the corresponding screen cylinder is aligned to the discharging mechanism, the corresponding screening discharge port is aligned to the crushing mechanism, then the discharging mechanism is opened, the coal sample enters the screen cylinder for screening, the raised dust is small, the coal sample crusher is more environment-friendly, and the coal sample which does not pass through the screening enters the crushing mechanism for crushing; the rotary table is provided with the plurality of screen cylinders for the coal samples with different diameters, so that the coal samples can be screened and crushed in stages, manual operation is simplified, labor cost is reduced, and the screening and crushing speed of the coal samples is greatly improved.
Drawings
In order to illustrate the solution of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are some embodiments of the invention, and that other drawings may be derived from these drawings by a person skilled in the art without inventive effort. Wherein:
FIG. 1 is a schematic perspective view of a coal sample preparation, sieving and crushing device according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a discharging mechanism of the coal sample preparation, sieving and crushing device in FIG. 1;
FIG. 3 is a schematic perspective view of another perspective view of the coal sample preparation, screening and crushing apparatus of FIG. 1;
FIG. 4 is a schematic view of the structure at A in FIG. 1;
fig. 5 is a schematic perspective view of a crushing mechanism of the coal sample preparation sieving crushing device in fig. 1.
The reference numbers in the drawings are as follows:
10. a discharging mechanism; 11. a charging barrel; 111. a discharging outlet; 12. a support; 13. blanking switch parts; 20. a screening mechanism; 21. a base; 22. a rotating table; 23. a screen cylinder; 231. selecting a feed inlet; 232. screening a discharge hole; 233. a screening section; 24. a mounting seat; 25. a fixing member; 26. a screw member; 30. a crushing mechanism; 31. a crusher body; 32. crushing the feed inlet; 33. a crushing discharge chute; 34. a feed switch member; 35. a material guiding surface; 40. and (6) receiving a sample plate.
Detailed Description
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 presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, e.g., the terms "length," "width," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., refer to an orientation or position based on that shown in the drawings, are for convenience of description only and are not to be construed as limiting of the present disclosure.
The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the description of the above figures are intended to cover non-exclusive inclusions; the terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential order. The meaning of "plurality" is two or more unless specifically limited otherwise.
In the description and claims of the present invention and in the description of the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it may be directly or indirectly located on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The embodiment of the invention provides a coal sample preparation, sieving and crushing device, which comprises a discharging mechanism 10, a screening mechanism and a crushing mechanism 30, wherein the discharging mechanism 10, the screening mechanism and the crushing mechanism 30 are sequentially arranged from top to bottom, the discharging mechanism 10 is used for collecting coal samples to be screened and putting the coal samples to be screened into a screening mechanism 20 for screening, and the crushing mechanism 30 is used for crushing the coal samples screened by the screening mechanism 20; screening mechanism 20 includes base 21, rotates set up in base 21's revolving stage 22 with set up in a plurality of sieve section of thick bamboo 23 of revolving stage 22, it is a plurality of sieve section of thick bamboo 23 is used for screening the coal sample of different diameters, sieve section of thick bamboo 23 is including screening feed inlet 231, screening discharge gate 232 and the screening portion 233 that is used for screening the coal sample, rotates revolving stage 22 enables one of them sieve section of thick bamboo 23's screening feed inlet 231 intercommunication drop feed mechanism 10 makes this simultaneously sieve section of thick bamboo 23's screening discharge gate 232 intercommunication crushing mechanism 30. During specific work, a coal sample to be screened is placed into the discharging mechanism 10, then the rotating platform 22 is rotated according to the screening requirement, the screening feed inlet 231 of the corresponding screen drum 23 is aligned with the discharging mechanism 10, the corresponding screening discharge outlet is aligned with the crushing mechanism 30, then the discharging mechanism 10 is opened, the coal sample enters the screen drum 23 for screening, the raised dust is small, and the coal sample which does not pass through screening is crushed in the crushing mechanism 30. The rotary table 22 is provided with the screen cylinders 23 for the coal samples with different diameters, so that the coal samples can be screened and crushed in stages, manual operation is simplified, labor cost is reduced, and the screening and crushing speed of the coal samples is greatly improved.
As shown in fig. 1 and 2, the discharging mechanism 10 includes a charging barrel 11 and a discharging switch 13, the charging barrel 11 is funnel-shaped and has a bottom end opened with a discharging outlet 111, and the discharging switch 13 is disposed at the discharging outlet 111 and is used for controlling the caliber of the discharging outlet 111. Specifically, the charging barrel 11 is mounted at the upper end of the rotating platform 22 through the support 12, and is separated from the rotating platform 22 for setting, the blanking outlet 111 is opened at the bottom end of the charging barrel 11, the blanking switch part 13 is rotatably arranged at the bottom end of the charging barrel 11, the blanking switch part 13 comprises a sealing part and a rotating part, the sealing part is in butt fit with the bottom end of the charging barrel 11, the rotating part protrudes out of the side wall of the charging barrel 11, the rotating part can enable the sealing part to seal the blanking outlet 111, and the blanking speed of the blanking outlet 111 can be adjusted through the blanking switch part 13, so that the sieve barrel 23 can be facilitated to fully screen coal samples.
As shown in fig. 1 and 3, the screen drum 23 is rotatably disposed on the rotating table 22, and the rotating table 22 is provided with a first driving member (not shown) for driving the screen drum 23 to rotate. Specifically, three mounting holes (not marked in the figure) have been seted up on the revolving stage 22, and three mounting hole circumference evenly sets up, and the revolving stage 22 just is located the bottom of mounting hole and installs mount pad 24, and mount pad 24360 articulates in revolving stage 22, and a sieve section of thick bamboo 23 rotates and sets up in mount pad 24, and the screening feed inlet 231 of a sieve section of thick bamboo 23 communicates with each other with the mounting hole, and the coal sample can get into a sieve section of thick bamboo 23 through the mounting hole. Through the mounting seat 24, the screen drum 23 can swing 360 degrees relative to the rotating table 22, and the screen drum 23 can be conveniently adjusted, so that the screening and discharging port of the screen drum 23 is aligned with the crushing mechanism 30. In this embodiment, first driving piece can be the motor, and the motor is installed on mount pad 24, and the gear is installed to the output shaft of motor, and the gear is established to the outer wall cover of a sieve section of thick bamboo 23, connects through gear drive between motor and the sieve section of thick bamboo 23, and during the screening coal sample, the motor can drive a sieve section of thick bamboo 23 rotation, can carry out abundant screening to the coal sample.
Preferably, in order to sufficiently screen the coal sample in the screen cylinder 23, the screen cylinder 23 is obliquely disposed on the rotating table 22, and the coal sample entering the screen cylinder 23 can slowly move on the screening portion 233, so that the standard coal sample can be screened from the screening portion 233.
Preferably, the side wall of the screen drum 23 is opened with a plurality of screen holes to form the screen part 233, and the screen holes of each screen drum 23 have different diameters. In this embodiment, the apertures of the screening holes of the three screening portions 233 are 13mm, 6mm, and 3mm, respectively, and in practical use, the coal sample is first placed into the 13mm screen drum 23 for screening, then the coal sample screened by the 13mm screen drum 23 is placed into the charging drum 11, the 6mm screen drum 23 is rotated to align with the charging drum 11 for secondary screening, and finally the coal sample screened by the 6mm screen drum 23 is placed into the charging drum 11 again, and the 6mm screen drum 23 is rotated to align with the charging drum 11 for tertiary screening.
As shown in fig. 1 and 4, the base 21 is provided with a fixing member 25 for fixing the rotary table 22, one end of the fixing member 25 is provided with a sliding groove (not shown) slidably connected to the outer side of the rotary table 22, the fixing member 25 is provided with a threaded hole (not shown) communicating with the sliding groove, a screw 26 is screwed into the threaded hole, and the end of the screw 26 can be abutted against the rotary table 22 by rotating the screw 26. Specifically, the fixing members 25 are arranged three and circumferentially and uniformly distributed around the rotating table 22, the fixing members 25 are arranged in a bent manner, and when the rotating table 22 rotates, the screen drum 23 does not collide with the fixing members 25. In this embodiment, the screw 26 may be a bolt, and the rotating platform 22 is fixed by the fixing member 25 and the screw 26, so that the screen drum 23 is more stable when screening coal samples, and meanwhile, the fixing member 25 is also conveniently loosened to rotate the rotating platform 22.
As shown in fig. 1 and 5, the crushing mechanism 30 includes a crusher body 31, the crusher body 31 is provided with a crushing feed opening 32 and a crushing discharge chute 33, and the crusher body 31 is provided with a feed switch 34 for controlling the size of the crushing feed opening 32. Specifically, breaker body 31 can be by market selection, rotates revolving stage 22 and can make the screening discharge gate of a sieve section of thick bamboo 23 aim at broken feed inlet 32, because a sieve section of thick bamboo 23 can swing for revolving stage 22360, can conveniently adjust a sieve section of thick bamboo 23, makes the screening discharge gate of a sieve section of thick bamboo 23 aim at broken feed inlet 32. In this embodiment, the feeding switch piece 34 is slidably disposed on the crusher body 31, and the crushing feed inlet 32 can be closed by sliding the feeding switch piece 34, so that the speed of the coal sample entering the crusher body 31 is controlled, and the blockage of the crusher body 31 caused by the too fast feeding speed is avoided.
Preferably, the crusher body 31 is provided with a material guiding surface 35 extending from the top end to the side close to the crushing discharge chute 33 in a downward inclination manner, the crushing feed port 32 is located on the material guiding surface 35, and when the screening discharge port 232 of one of the screen cylinders 23 is communicated with the crushing feed port 32, the screening portion 233 of the screen cylinder 23 is located right above the material guiding surface 35. Specifically, because sieve section of thick bamboo 23 slope sets up, the guide surface 35 that the slope set up can fully contact with the screening discharge gate of a sieve section of thick bamboo 23, makes things convenient for the coal sample to get into breaker body 31, and the coal sample is difficult for spilling to the breaker body 31 outside, and the screening portion 233 of a sieve section of thick bamboo 23 is located directly over guide surface 35, the coal sample of screening portion 233 screening can fall on guide surface 35, then along with guide surface 35 landing to broken blown down tank 33 in, convenient the collection.
As shown in fig. 1 and fig. 3, the coal sample preparation, sieving and crushing device further includes a sample receiving plate 40 disposed at the bottom end of the crushing mechanism 30. Specifically, the crushing discharge chute 33 is located above the sample receiving plate 40, and the sample receiving plate 40 can facilitate recovery of the screened and crushed coal sample.
It can be understood that the working principle of the coal sample preparation sieving and crushing device is roughly as follows:
firstly, screening large particles, rotating the rotating platform 22 to align a screening feed inlet 231 of the 13mm screen drum 23 with the charging drum 11, then putting a coal sample to be screened into the charging drum 11, turning on the driving part to rotate the 13mm screen drum 23, then turning on the blanking switch part 13 to enable the coal sample to enter the 13mm screen drum 23 for screening, finally turning on the feeding switch part 34 to enable the coal sample larger than 13mm to enter the crusher body 31 for crushing, and enabling the screened and crushed coal sample to enter the sample receiving disc 40;
secondly, screening the medium particles, namely rotating the rotating platform 22 to enable a screening feed inlet 231 of the 6mm sieve drum 23 to align with the charging drum 11, then putting the coal sample in the sample receiving disc 40 in the first step into the charging drum 11, turning on the driving part to enable the 6mm sieve drum 23 to rotate, then turning on the blanking switch part 13 to enable the coal sample to enter the 6mm sieve drum 23 for screening, finally turning on the feeding switch part 34 to enable the coal sample larger than 6mm to enter the crusher body 31 for crushing, and enabling the screened and crushed coal sample to enter the sample receiving disc 40;
thirdly, screening small particles, rotating the rotating table 22 to align the screening feed inlet 231 of the 3mm sieve drum 23 with the charging drum 11, then placing the coal sample in the sample receiving disc 40 in the second step into the charging drum 11, turning on the driving member to rotate the 3mm sieve drum 23, then turning on the blanking switch member 13 to enable the coal sample to enter the 3mm sieve drum 23 for screening, finally turning on the feeding switch member 34 to enable the coal sample larger than 3mm to enter the crusher body 31 for crushing, and enabling the screened and crushed coal sample to enter the sample receiving disc 40.
Compared with the prior art, the coal sample preparation sieving and crushing device at least has the following beneficial effects: this coal sample preparation breaker that sieves can thoroughly liberate the manpower labour, the sieve bucket is installed on revolving stage 22, according to the screening requirement, rotate revolving stage 22, the drop feed mechanism 10 is aimed at to the screening feed inlet 231 that makes corresponding sieve section of thick bamboo 23, make the screening discharge gate that corresponds aim at crushing mechanism 30, open drop feed mechanism 10 after that, make the coal sample get into a sieve section of thick bamboo 23 and filter, the raise dust is less, the coal sample that does not pass through the screening is broken in getting into crushing mechanism 30. The rotary table 22 is provided with the screen cylinders 23 for the coal samples with different diameters, so that the coal samples can be screened and crushed in stages, manual operation is simplified, labor cost is reduced, and the screening and crushing speed of the coal samples is greatly improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A coal sample preparation, sieving and crushing device is characterized by comprising a discharging mechanism, a sieving mechanism and a crushing mechanism,
the discharging mechanism, the screening mechanism and the crushing mechanism are sequentially arranged from top to bottom, the discharging mechanism is used for collecting a coal sample to be screened and putting the coal sample to be screened into the screening mechanism for screening, and the crushing mechanism is used for crushing the coal sample screened by the screening mechanism;
screening mechanism include the base, rotate set up in the revolving stage of base with set up in a plurality of sieve section of thick bamboo, a plurality of sieve section of thick bamboo is used for screening the coal sample of different diameters, sieve section of thick bamboo is including screening feed inlet, screening discharge gate and the screening portion that is used for screening the coal sample, rotates the revolving stage enables one of them the screening feed inlet intercommunication of sieve section of thick bamboo drop feed mechanism makes this simultaneously the screening discharge gate intercommunication of sieve section of thick bamboo crushing mechanism.
2. The coal sample preparation, sieving and crushing device according to claim 1, wherein the sieve drum is rotatably disposed on the rotating table, and the rotating table is provided with a first driving member for driving the sieve drum to rotate.
3. The coal sample preparation, sieving and crushing device of claim 2, wherein the sieve drum is obliquely arranged on the rotating platform.
4. The coal sample preparation, screening and crushing device of claim 3, wherein the screen drum is hinged to the rotating table.
5. The coal sample preparation, sieving and crushing device of claim 4, wherein the side wall of the sieve drum is provided with a plurality of sieving holes to form the sieving part, and the diameter of the sieving hole of each sieve drum is different.
6. The coal sample preparation sieving and crushing device according to claim 1, wherein the base is provided with a fixing member for fixing the rotating table, one end of the fixing member is provided with a sliding groove in sliding connection with the outer side of the rotating table, the fixing member is provided with a threaded hole communicated with the sliding groove, a screw member is connected in the threaded hole in a threaded manner, and the end of the screw member can be abutted against the rotating table by rotating the screw member.
7. The coal sample preparation, sieving and crushing device according to any one of claims 1 to 6, wherein the emptying mechanism comprises a charging barrel and a blanking switch, the charging barrel is funnel-shaped, a blanking outlet is formed at the bottom end of the charging barrel, and the blanking switch is arranged at the blanking outlet and used for controlling the caliber of the blanking outlet.
8. The coal sample preparation, sieving and crushing device according to any one of claims 1 to 6, wherein the crushing mechanism comprises a crusher body, the crusher body is provided with a crushing feed inlet and a crushing discharge chute, and the crusher body is provided with a feed switch for controlling the size of the crushing feed inlet.
9. The coal sample preparation sieving and crushing device according to claim 8, wherein the crusher body is provided with a material guiding surface which extends from the top end to the side close to the crushing discharge chute and inclines downwards, the crushing feed inlet is positioned on the material guiding surface, and when the screening discharge port of one of the screen cylinders is communicated with the crushing feed inlet, the screening part of the screen cylinder is positioned right above the material guiding surface.
10. The coal sample preparation, sieving and crushing device according to claim 1, further comprising a sample receiving plate disposed at a bottom end of the crushing mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010398512.3A CN111715388B (en) | 2020-05-12 | 2020-05-12 | Coal sample preparation breaker that sieves |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010398512.3A CN111715388B (en) | 2020-05-12 | 2020-05-12 | Coal sample preparation breaker that sieves |
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| CN111715388A true CN111715388A (en) | 2020-09-29 |
| CN111715388B CN111715388B (en) | 2021-09-24 |
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| CN111715388B (en) | 2021-09-24 |
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