CN214865062U - Raw coal screening plant - Google Patents
Raw coal screening plant Download PDFInfo
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- CN214865062U CN214865062U CN202121427008.8U CN202121427008U CN214865062U CN 214865062 U CN214865062 U CN 214865062U CN 202121427008 U CN202121427008 U CN 202121427008U CN 214865062 U CN214865062 U CN 214865062U
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- type screen
- cleaning roller
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Abstract
A raw coal screening device relates to the technical field of screening equipment, and comprises a rack, a cylindrical screen and a cleaning roller; the top of the rack is provided with a drum-type screen and a motor for driving the drum-type screen to rotationally screen raw coal, the outer walls of two ends of the drum-type screen are correspondingly and rotatably connected with the rack, one end of the drum-type screen is open, the center of the other end of the drum-type screen is provided with a feed inlet, and the rack is provided with a feed hopper corresponding to the feed inlet of the drum-type screen; cleaning rollers are arranged on the two sides of the machine frame corresponding to the drum-type screen, the two ends of each cleaning roller are correspondingly and rotatably connected with the machine frame, and bumps which can be correspondingly meshed with meshes of the drum-type screen are arranged on the edge surfaces of the cleaning rollers; the utility model discloses simple structure can effectively avoid the mesh of cylinder screen cloth to block up, and screening efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of screening equipment technique and specifically relates to a raw coal screening plant is related to.
Background
It is known that raw coal needs to be screened, decontaminated and crushed in a coal preparation plant, and the finally screened granularity is determined by comprehensive technological economic comparison according to a coal quality test instrument, a coal preparation process and user requirements and is in accordance with the regulations of the existing national standard coal granularity classification; the raw coal is complex to screen, the water content of the raw coal is high, the raw coal is easy to adhere to the vicinity of meshes of the screen during screening, the meshes of the screen are reduced, and the screening efficiency is reduced; in addition, because of the different shapes of the raw coal particles, part of the raw coal particles may be accidentally stuck in the meshes of the screen mesh to block the meshes of the screen mesh, which is a problem to be solved by those skilled in the art.
Disclosure of Invention
In order to overcome the not enough in the background art, the utility model discloses a raw coal screening plant.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a raw coal screening device comprises a frame, a cylindrical screen and a cleaning roller; the top of the rack is provided with a drum-type screen and a motor for driving the drum-type screen to rotationally screen raw coal, the outer walls of two ends of the drum-type screen are correspondingly and rotatably connected with the rack, one end of the drum-type screen is open, the center of the other end of the drum-type screen is provided with a feed inlet, and the rack is provided with a feed hopper corresponding to the feed inlet of the drum-type screen; the both sides that the frame corresponds the cylinder screen cloth all are equipped with the cleaning roller, the both ends of cleaning roller all correspond with the frame and rotate and be connected, and the roller of cleaning roller reason face is equipped with can correspond the lug of meshing with the mesh of cylinder screen cloth.
Preferably, the inner wall of the cylindrical screen is provided with a plurality of helical blades for pushing out the large raw coal.
Preferably, the cylinder screen cloth inclines 3 ~ 8 settings, and the open end of cylinder screen cloth is higher than its feed end.
Preferably, the outer side covers of the drum-type screen and the cleaning roller are provided with protective covers which are correspondingly and fixedly connected with the frame.
Preferably, the protective cover is provided with a curtain corresponding to the open end of the cylindrical screen.
Preferably, the guide plates are arranged on two sides of the bottom of the barrel body of the barrel-type screen corresponding to the rack.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a raw coal screening plant, which has simple structure and can effectively avoid the mesh blockage of a cylindrical screen; the cleaning rollers are arranged on the two sides of the rack corresponding to the cylindrical screen, the roller edge surfaces of the cleaning rollers are provided with lugs which can be correspondingly meshed with meshes of the cylindrical screen, namely the cleaning rollers can synchronously rotate along with the cylindrical screen, and meanwhile, the lugs on the roller edge surfaces of the cleaning rollers can penetrate into the meshes of the cylindrical screen, so that smooth meshes of the cylindrical screen are ensured, materials can be normally screened, raw coal materials are prevented from blocking the meshes of the cylindrical screen, and the screening efficiency is reduced; in addition, 3 ~ 8 settings of cylinder screen cloth slope, the opening end of cylinder screen cloth is higher than its feed end, and cylinder screen cloth inner wall is equipped with the multichannel and is used for the helical blade that the bold raw coal was released, and cylinder screen cloth slope sets up and can effectively improve the screening effect, avoids the tiny particle raw coal material to be discharged, and helical blade can release the bold raw coal simultaneously, avoids the bold raw coal material to stop for a long time in the cylinder screen cloth.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a drum screen;
fig. 3 is a schematic structural view of the curtain.
In the figure: 1. a frame; 2. a drum screen; 3. a cleaning roller; 4. a feed hopper; 5. a helical blade; 6. a protective cover; 7. a curtain; 8. a baffle.
Detailed Description
The present invention will be explained in detail by the following embodiments, and it is to be understood that the present invention is intended to protect all technical improvements within the scope of the present invention, and in the description of the present invention, it is to be understood that if there are the terms "upper", "lower", "front", "rear", "left", "right", etc. indicating the orientation or positional relationship, it is only corresponding to the drawings of the present application, and for the convenience of description of the present invention, it is not intended to indicate or imply that the device or element referred to must have a specific orientation.
With reference to the attached drawings 1-3, the raw coal screening device comprises a rack 1, a cylindrical screen 2 and a cleaning roller 3; the top of the frame 1 is provided with a drum type screen 2 and a motor for driving the drum type screen 2 to rotationally screen raw coal, the outer walls of two ends of the drum type screen 2 are correspondingly and rotatably connected with the frame 1, one end of the drum type screen 2 is open, the center of the other end of the drum type screen 2 is provided with a feed inlet, a feed hopper 4 is arranged at the position of the frame 1 corresponding to the feed inlet of the drum type screen 2, namely raw coal materials to be screened can enter the drum type screen 2 through the feed hopper 4, the motor drives the drum type screen 2 to rotate to screen the raw coal, and meanwhile, large pieces of raw coal can be discharged from the open end of the drum type screen 2; according to the requirements, the cylindrical screen 2 is inclined by 3-8 degrees, the open end of the cylindrical screen 2 is higher than the feeding end of the cylindrical screen, the inner wall of the cylindrical screen 2 is provided with a plurality of helical blades 5 for pushing out large raw coal, the cylindrical screen 2 is inclined, so that the screening effect can be effectively improved, small-particle raw coal materials are prevented from being discharged, meanwhile, the helical blades 5 can push out large raw coal, and the large raw coal materials are prevented from staying in the cylindrical screen 2 for a long time;
the cleaning roller 3 is arranged on the two sides of the frame 1 corresponding to the drum type screen 2, the two ends of the cleaning roller 3 are correspondingly and rotatably connected with the frame 1, the roller edge surface of the cleaning roller 3 is provided with a lug which can be correspondingly meshed with the meshes of the drum type screen 2, namely, the cleaning roller 3 can synchronously rotate along with the drum type screen 2, and meanwhile, the lug on the roller edge surface of the cleaning roller 3 can penetrate into the meshes of the drum type screen 2, so that the smooth meshes of the drum type screen 2 are ensured, materials can be normally screened, the situation that raw coal materials block the meshes of the drum type screen 2 is avoided, and the screening efficiency is reduced;
in addition, the outer sides of the drum type screen 2 and the cleaning roller 3 are covered with the protective covers 6 which are correspondingly and fixedly connected with the frame 1, so that on one hand, the protective function can be achieved, the drum type screen 2 is prevented from being accidentally wound by external sundries, and meanwhile, the generation of large dust can be prevented; the shield 6 is provided with a check curtain 7 corresponding to the open end of the cylindrical screen 2, so that the dustproof effect can be further improved; frame 1 corresponds 2 stack shell bottoms both sides of cylinder screen cloth and all is equipped with guide plate 8, can set up the conveyer belt in frame 1 below promptly, and the raw coal conveying that will sieve is to the assigned position, and guide plate 8 can prevent effectively that the raw coal material of screening from scattering at will.
Implement raw coal screening plant, in raw coal material can get into cylinder screen cloth 2 through feeder hopper 4 during the use, the rotation of starter motor drive cylinder screen cloth 2 carries out raw coal screening, can set up the conveyer belt in 1 below in the frame, convey the raw coal that will sieve to the assigned position, the opening end discharge of cylinder screen cloth 2 can be followed to the bold raw coal simultaneously.
The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a raw coal screening plant which characterized by: comprises a frame (1), a drum-type screen (2) and a cleaning roller (3); the top of the rack (1) is provided with a cylindrical screen (2) and a motor for driving the cylindrical screen (2) to rotationally screen raw coal, the outer walls of the two ends of the cylindrical screen (2) are correspondingly and rotatably connected with the rack (1), one end of the cylindrical screen (2) is open, the center of the other end of the cylindrical screen is provided with a feed inlet, and the rack (1) is provided with a feed hopper (4) corresponding to the feed inlet of the cylindrical screen (2); frame (1) corresponds the both sides of cylinder screen cloth (2) and all is equipped with cleaning roller (3), the both ends of cleaning roller (3) all correspond with frame (1) and rotate and be connected, and the roller reason face of cleaning roller (3) is equipped with the lug that can correspond the meshing with the mesh of cylinder screen cloth (2).
2. The raw coal screening device of claim 1, wherein: the inner wall of the cylindrical screen (2) is provided with a plurality of helical blades (5) for pushing out the large raw coal.
3. The raw coal screening device of claim 1, wherein: the cylinder screen cloth (2) slope 3 ~ 8 settings, and the open end of cylinder screen cloth (2) is higher than its feed end.
4. The raw coal screening device of claim 1, wherein: the outer side covers of the cylinder type screen (2) and the cleaning roller (3) are provided with protective covers (6) which are correspondingly fastened and connected with the frame (1).
5. The raw coal screening device of claim 4, wherein: the protective cover (6) is provided with a retaining curtain (7) corresponding to the open end of the cylindrical screen (2).
6. The raw coal screening device of claim 1, wherein: the frame (1) corresponds cylinder screen cloth (2) stack shell bottom both sides and all is equipped with guide plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121427008.8U CN214865062U (en) | 2021-06-25 | 2021-06-25 | Raw coal screening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121427008.8U CN214865062U (en) | 2021-06-25 | 2021-06-25 | Raw coal screening plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214865062U true CN214865062U (en) | 2021-11-26 |
Family
ID=78930257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121427008.8U Active CN214865062U (en) | 2021-06-25 | 2021-06-25 | Raw coal screening plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214865062U (en) |
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2021
- 2021-06-25 CN CN202121427008.8U patent/CN214865062U/en active Active
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