CN211865293U - Screening device is smashed with coal to thermal power plant - Google Patents
Screening device is smashed with coal to thermal power plant Download PDFInfo
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- CN211865293U CN211865293U CN201922050494.5U CN201922050494U CN211865293U CN 211865293 U CN211865293 U CN 211865293U CN 201922050494 U CN201922050494 U CN 201922050494U CN 211865293 U CN211865293 U CN 211865293U
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Abstract
The utility model relates to a sieving mechanism is smashed with coal to thermal power plant, including the casing, the feed inlet has been seted up on casing top right side, and the casing bottom is equipped with the support base, and casing top inner wall is equipped with reducing mechanism, and the reducing mechanism below is equipped with coarse screen, and the coarse screen below is equipped with grinder, and grinder below is equipped with fine screen, and fine screen bottom left side is equipped with knocking device. This sieving mechanism is smashed to coal's stability is good, makes its job stabilization be difficult for rocking, can realize smashing and grinding to coal through reducing mechanism and grinder, great improvement the crushing effect of material, can realize carrying out the purpose of screening to coal through coarse screen cloth and fine screen cloth to avoided the coal gathering on the screen cloth through knocking device, easily leaded to the problem of screen cloth jam, improved the efficiency of screening.
Description
Technical Field
The utility model relates to a thermal power plant equipment technical field especially relates to a sieving mechanism is smashed with coal to thermal power plant.
Background
Coal is fossil fuel with the most abundant accumulation amount and the most extensive distribution region on the earth, and is solid combustible mineral formed gradually by complicated biochemical and physicochemical changes after ancient plants are buried underground; is a solid combustible organic rock which is mainly formed by the biochemical action of plant remains, buried and transformed by geological action, and is commonly called as coal; coal is known as black gold by people and is industrial food, which is one of main energy sources used in the human world since the eighteenth century, and since the twenty-first century, although the value of coal is not as high as the past, coal is one of indispensable energy sources for production and life of people at present and in a long time in the future, the supply of coal is also related to the stability of the development of the industry of China and the aspect of the whole society, the supply safety problem of coal is also the most important part in the energy safety of China, the existing sieve can not be used for vibration screening, pulverized coal and sundries are accumulated on the sieve, so that pulverized materials are not easy to fall from the sieve, and some sundries which can not be pulverized are also difficult to be separated from the pulverized coal, and further the efficiency of coal screening is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sieving mechanism is smashed with coal to thermal power plant to the unable vibrations screening of screen cloth that provides in solving above-mentioned background art causes the screen cloth to pile up, also is difficult for the problem with coal charge and debris separation.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sieving mechanism is smashed with coal to thermal power plant, includes the casing, the feed inlet has been seted up on casing top right side, and casing bottom fixedly connected with supports the base, and casing top inner wall fixedly connected with reducing mechanism, the reducing mechanism below is equipped with coarse screen cloth fixed connection at shells inner wall, the coarse screen cloth below is equipped with grinder fixed connection at shells inner wall, the grinder below is equipped with fine screen cloth, the first spring of fine screen cloth both sides upper end and lower extreme fixedly connected with, the one end fixedly connected with stopper of fine screen cloth is kept away from to first spring, stopper fixed connection is at shells inner wall, and is equipped with knocking device fixed connection at shells inner wall in fine screen cloth bottom left side.
Preferably, the shape of feed inlet is the infundibulate, and feed inlet department is provided with the splashproof lid, and the feed inlet runs through the casing and is linked together with reducing mechanism.
Preferably, reducing mechanism is including first motor, first pivot, spiral blade, blanking mouth and crushing shell, crushing shell fixed connection is at shells inner wall, and the first pivot of the inside fixedly connected with of crushing shell, and fixedly connected with spiral blade in the first pivot, and the first pivot left side extends to the first motor of the outer fixedly connected with of crushing shell, and crushing shell left side bottom has seted up the blanking mouth.
Preferably, the inclination angle of the coarse screen is 60 degrees, and a waste port is arranged at the bottom shell of the inclined coarse screen.
Preferably, grinder is including second motor, second pivot, grinding roller and bearing, two sets of second pivots are installed to the second motor, and all install the grinding roller in the second pivot, and the grinding roller is kept away from the one end of second motor and is installed bearing fixed connection at shells inner wall, and two rotation directions of grinding the roller are relative rotation.
Preferably, knocking device is including third motor, third pivot, shell, eccentric wheel, pulley, fixed plate, second spring, strikes pole and spacing ring, shells inner wall fixedly connected with third motor, and third motor right side fixedly connected with third pivot, and the one end that the third motor was kept away from in the third pivot extends to the inside fixedly connected with eccentric wheel of shell, and the eccentric wheel upper end has the striking pole through pulley sliding connection, and strikes pole lower part both sides through second spring fixed connection at the shell inner wall, and strikes pole upper portion and be provided with spacing ring fixed connection on the fixed plate, and fixed plate fixed connection is at the shell inner wall, and strikes the pole and extend to the shell and touch the fine mesh bottom outside.
Preferably, the bottom of the supporting base is fixedly connected with an anti-slip mat, and the bottom end surface of the anti-slip mat is provided with anti-slip lines.
Preferably, a discharge port is formed in the bottom of the shell, a valve is arranged on the discharge port, and the valve is an electromagnetic control valve.
The utility model provides a sieving mechanism is smashed to coal for thermal power plant has following beneficial effect:
1. the utility model discloses a reducing mechanism smashes, drives first pivot operation through first motor, and first pivot drives the helical blade operation for begin to smash the coal raw materials, the coal raw materials after smashing fall on the coarse screen through the blanking mouth, and the coarse screen sets up inclination, makes the coal raw materials accord with the granularity requirement and falls down, and the coal that is not conform to the granularity requirement and impurity landing discharge to the waste material mouth, great improvement filtration efficiency.
2. The utility model discloses a grinder grinds smashes, grinds the roller and is driven by the second pivot, then the second pivot is driven by the second motor, and has installed two sets of second pivots on the second motor, so also set up two sets of grinding rollers in the second pivot, and the running direction of two sets of grinding rollers is relative moreover, the effectual kibbling efficiency of grinding that has improved.
3. The utility model discloses a percussion device shakes the screening with accumulational raw materials on the fine screen, the third motor drives third pivot operation, the third pivot drives the eccentric wheel operation, then the pulley on the knocking rod slides on the eccentric wheel, make knocking rod quick travel that makes progress, then through the knocking rod of second spring with quick rebound back, make the spacing ring on the fixed plate with knocking rod location, avoided the coal gathering on the screen cloth, easily lead to the problem of screen cloth jam, the efficiency of screening has been improved.
Drawings
Fig. 1 is a schematic structural view of the main body of the present invention.
Fig. 2 is a schematic structural diagram of the knocking device of the present invention.
In FIGS. 1-2: 1 shell, 2 feed inlets, 3 crushing devices, 31 a first motor, 32 a first rotating shaft, 33 a spiral blade, 34 a blanking port, 35 a crushing shell, 4 a coarse screen, 5 a waste port, 6 a grinding device, 61 a second motor, 62 a second rotating shaft, 63 a grinding roller, 64 a bearing, 7 a fine screen, 8 a first spring, 9 a limiting block, 10 a knocking device, 101 a third motor, 102 a third rotating shaft, 103 a shell, 104 an eccentric wheel, 105 a pulley, 106 a fixing plate, 107 a second spring, 108 a knocking rod, 109 a limiting ring, 11 a discharge port and 12 a supporting base.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Please refer to fig. 1 to 2, the embodiment of the utility model provides an in a screening device is smashed to coal for thermal power plant, which comprises a housin 1, feed inlet 2 has been seted up on 1 top right side of casing, 1 bottom fixedly connected with of casing supports base 12, 1 top inner wall fixedly connected with reducing mechanism 3 of casing, the 3 below of reducing mechanism is equipped with coarse screen 4 fixed connection at 1 inner wall of casing, coarse screen 4 below is equipped with 6 fixed connection at 1 inner wall of casing of grinder, grinder 6 below is equipped with fine screen 7, 7 both sides upper ends of fine screen and the first spring 8 of lower extreme fixedly connected with, the one end fixedly connected with stopper 9 of fine screen 7 is kept away from to first spring 8, stopper 9 fixed connection is at 1 inner wall of casing, 7 bottom left sides of fine screen are equipped with rapping.
In this embodiment, the shape of feed inlet 2 is the infundibulate, and 2 departments of feed inlet are provided with the splashproof lid, and feed inlet 2 runs through casing 1 and is linked together with reducing mechanism 3, makes it better with the raw materials landing.
In this embodiment, reducing mechanism 3 is including first motor 31, first pivot 32, helical blade 33, blanking mouth 34 and crushing shell 35, crushing shell 35 fixed connection is at the 1 inner wall of casing, the first pivot 32 of the inside fixedly connected with of crushing shell 35, fixedly connected with helical blade 33 on the first pivot 32, first pivot 32 left side extends to the first motor 31 of the outer fixedly connected with of crushing shell 35, blanking mouth 34 has been seted up to crushing shell 35 left side bottom, makes its crushing efficient.
In this embodiment, the inclination of coarse screen 4 is 60 degrees, and waste opening 5 has been seted up to the bottom casing 1 department of coarse screen 4 slope, makes its great improvement filtration efficiency.
In this embodiment, the grinding device 6 includes the second motor 61, the second rotating shaft 62, the grinding roller 63 and the bearing 64, the second motor 61 is provided with two sets of second rotating shafts 62, the grinding roller 63 is provided on the second rotating shaft 62, the one end of the grinding roller 63 far away from the second motor 61 is provided with the bearing 64 fixed connection on the inner wall of the housing 1, the rotating directions of the two grinding rollers 63 are relative rotation, so that the grinding and pulverizing effects of the raw materials are improved.
In this embodiment, the knocking device 10 includes a third motor 101, a third rotating shaft 102, a housing 103, an eccentric wheel 104, a pulley 105, a fixing plate 106, a second spring 107, a knocking rod 108 and a limiting ring 109, the inner wall of the housing 1 is fixedly connected with the third motor 101, the right side of the third motor 101 is fixedly connected with the third rotating shaft 102, one end of the third rotating shaft 102, which is far away from the third motor 101, extends to the inside of the housing 103 and is fixedly connected with the eccentric wheel 104, the upper end of the eccentric wheel 104 is slidably connected with the knocking rod 108 through the pulley 105, two sides of the lower part of the knocking rod 108 are fixedly connected to the inner wall of the housing 103 through the second spring 107, the upper part of the knocking rod 108 is provided with the limiting ring 109 and is fixedly connected to the fixing plate 106, the fixing plate 106 is fixedly connected to the inner wall of the housing 103, the knocking rod 108 extends to the, the screening efficiency is improved.
In this embodiment, support 12 bottom fixedly connected with slipmats of base, the slipmat bottom surface is provided with anti-skidding line, makes its device stability at the during operation, is difficult for rocking.
In this embodiment, discharge gate 11 has been seted up to casing 1 bottom, is provided with the valve on the discharge gate 11, and the valve is electromagnetic control valve, makes its better collection with the good raw materials of smashing.
The working principle is as follows: when the utility model is used, coal raw materials are fed into the feeding port 2, then fall into the crushing device 3, the first motor 31 drives the first rotating shaft 32 to rotate, the first rotating shaft 32 drives the spiral blade 33 to rotate, so that the coal raw materials begin to be crushed, the crushed coal raw materials fall onto the coarse screen 4 through the blanking port 35, the coarse screen 4 is provided with an inclination angle, so that the coal which meets the granularity requirement of the coal raw materials falls, the coal and impurities which do not meet the granularity requirement slide to the waste port 5 to be discharged, the filtering efficiency is greatly improved, the coal raw materials screened by the coarse screen 4 fall onto the grinding device 6 to be ground and crushed, the grinding rollers 63 are driven by the second rotating shaft 62, then the second rotating shaft 62 is driven by the second motor 61, and two groups of second rotating shafts 62 are installed on the second motor 61, so that two groups of grinding rollers 63 are also arranged on the second rotating shaft 62, the operation directions of the two groups of grinding rollers 63 are opposite, the grinding and crushing efficiency is effectively improved, ground coal raw materials fall on the fine screen 7 for further screening, then the raw materials accumulated on the fine screen 7 are subjected to vibration screening through the knocking device 10, the third motor 101 drives the third rotating shaft 102 to operate, the third rotating shaft 102 drives the eccentric wheel 104 to operate, then the pulley 105 on the knocking rod 108 slides on the eccentric wheel 104, so that the knocking rod 108 moves upwards quickly, then the knocking rod 108 moving quickly upwards is pulled back through the second spring 107, the limiting ring 109 on the fixing plate 106 positions the knocking rod 108, the problem that the coal is gathered on the screen and the screen is easily blocked is avoided, and the screening efficiency is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a sieving mechanism is smashed with coal to thermal power plant, includes casing (1), its characterized in that: a feed inlet (2) is arranged on the right side of the top end of the shell (1), a supporting base (12) is fixedly connected with the bottom end of the shell (1), and the inner wall of the top end of the shell (1) is fixedly connected with a crushing device (3), a coarse screen (4) is fixedly connected with the inner wall of the shell (1) below the crushing device (3), a grinding device (6) is arranged below the coarse screen (4) and is fixedly connected with the inner wall of the shell (1), a fine screen (7) is arranged below the grinding device (6), the upper end and the lower end of two sides of the fine screen (7) are fixedly connected with a first spring (8), one end of the first spring (8) far away from the fine screen (7) is fixedly connected with a limiting block (9), the limiting block (9) is fixedly connected with the inner wall of the shell (1), and the left side of the bottom of the fine screen (7) is provided with a knocking device (10) which is fixedly connected with the inner wall of the shell (1).
2. The coal pulverizing and screening device for thermal power plants as claimed in claim 1, which is characterized in that: the shape of feed inlet (2) is the infundibulate, and feed inlet (2) department is provided with the splashproof lid, and feed inlet (2) run through casing (1) and are linked together with reducing mechanism (3).
3. The coal pulverizing and screening device for thermal power plants as claimed in claim 1, which is characterized in that: reducing mechanism (3) are including first motor (31), first pivot (32), spiral blade (33), blanking mouth (34) and crushing shell (35), crushing shell (35) fixed connection is at casing (1) inner wall, and the first pivot (32) of the inside fixedly connected with of crushing shell (35), and fixedly connected with spiral blade (33) on first pivot (32), and first pivot (32) left side extends to the first motor (31) of the outer fixedly connected with of crushing shell (35), and crushing shell (35) left side bottom has seted up blanking mouth (34).
4. The coal pulverizing and screening device for thermal power plants as claimed in claim 1, which is characterized in that: the inclination angle of coarse screen cloth (4) is 60 degrees, and waste material mouth (5) have been seted up in bottom casing (1) department of coarse screen cloth (4) slope.
5. The coal pulverizing and screening device for thermal power plants as claimed in claim 1, which is characterized in that: grinder (6) are including second motor (61), second pivot (62), grinding roller (63) and bearing (64), two sets of second pivot (62) are installed in second motor (61), and all install grinding roller (63) on second pivot (62), and grind roller (63) and keep away from the one end of second motor (61) and install bearing (64) fixed connection at casing (1) inner wall, and two rotation directions of grinding roller (63) are relative rotation.
6. The coal pulverizing and screening device for thermal power plants according to claim 5, characterized in that: the knocking device (10) comprises a third motor (101), a third rotating shaft (102), a shell (103), an eccentric wheel (104), a pulley (105), a fixing plate (106), a second spring (107), a knocking rod (108) and a limiting ring (109), wherein the inner wall of the shell (1) is fixedly connected with the third motor (101), the right side of the third motor (101) is fixedly connected with the third rotating shaft (102), one end, far away from the third motor (101), of the third rotating shaft (102) extends to the inner part of the shell (103) to be fixedly connected with the eccentric wheel (104), the upper end of the eccentric wheel (104) is slidably connected with the knocking rod (108) through the pulley (105), two sides of the lower part of the knocking rod (108) are fixedly connected to the inner wall of the shell (103) through the second spring (107), the upper part of the knocking rod (108) is provided with the limiting ring (109) which is fixedly connected to the fixing plate (106), and the fixing plate (106) is fixedly, and the knocking rod (108) extends out of the shell (103) and contacts the bottom of the fine screen (7).
7. The coal pulverizing and screening device for thermal power plants as claimed in claim 1, which is characterized in that: the bottom of the supporting base (12) is fixedly connected with an anti-slip mat, and the bottom end surface of the anti-slip mat is provided with anti-slip lines.
8. The coal pulverizing and screening device for thermal power plants as claimed in claim 1, which is characterized in that: the bottom of the shell (1) is provided with a discharge hole (11), the discharge hole (11) is provided with a valve, and the valve is an electromagnetic control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922050494.5U CN211865293U (en) | 2019-11-25 | 2019-11-25 | Screening device is smashed with coal to thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922050494.5U CN211865293U (en) | 2019-11-25 | 2019-11-25 | Screening device is smashed with coal to thermal power plant |
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| Publication Number | Publication Date |
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| CN211865293U true CN211865293U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922050494.5U Active CN211865293U (en) | 2019-11-25 | 2019-11-25 | Screening device is smashed with coal to thermal power plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718077A (en) * | 2020-12-15 | 2021-04-30 | 湖南惠生农业科技开发股份有限公司 | Reducing mechanism that feed processing used |
| CN113188144A (en) * | 2021-04-22 | 2021-07-30 | 华能伊敏煤电有限责任公司汇流河热电分公司 | Unloader suitable for thermal power |
| CN114749264A (en) * | 2022-05-11 | 2022-07-15 | 青岛汇鑫混凝土有限公司 | Building material waste recycling, crushing and material distributing integrated device |
-
2019
- 2019-11-25 CN CN201922050494.5U patent/CN211865293U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718077A (en) * | 2020-12-15 | 2021-04-30 | 湖南惠生农业科技开发股份有限公司 | Reducing mechanism that feed processing used |
| CN113188144A (en) * | 2021-04-22 | 2021-07-30 | 华能伊敏煤电有限责任公司汇流河热电分公司 | Unloader suitable for thermal power |
| CN113188144B (en) * | 2021-04-22 | 2022-10-18 | 华能伊敏煤电有限责任公司汇流河热电分公司 | Unloader suitable for thermal power |
| CN114749264A (en) * | 2022-05-11 | 2022-07-15 | 青岛汇鑫混凝土有限公司 | Building material waste recycling, crushing and material distributing integrated device |
| CN114749264B (en) * | 2022-05-11 | 2024-06-04 | 青岛汇鑫混凝土有限公司 | Broken feed divider integrated device is retrieved to building material discarded object |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221104 Address after: 100011 Beijing city Xicheng District No. 65 Andrew Patentee after: China Electric Power Construction Engineering Consulting Co.,Ltd. Address before: 338 Kangfu Road, Yiyang City, Hunan Province Patentee before: Liang Yanhong |
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| TR01 | Transfer of patent right |