CN221413908U - Screening installation is used in coal washing - Google Patents
Screening installation is used in coal washing Download PDFInfo
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- CN221413908U CN221413908U CN202323155598.5U CN202323155598U CN221413908U CN 221413908 U CN221413908 U CN 221413908U CN 202323155598 U CN202323155598 U CN 202323155598U CN 221413908 U CN221413908 U CN 221413908U
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- screening
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- coal
- frame
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- 238000012216 screening Methods 0.000 title claims abstract description 57
- 239000003245 coal Substances 0.000 title claims abstract description 37
- 238000005406 washing Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 title description 2
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract 2
- 238000007599 discharging Methods 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000010891 electric arc Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Jigging Conveyors (AREA)
Abstract
The utility model relates to a screening device for coal washing. In order to overcome the defects of the prior art, the screening equipment for coal washing comprises a screening mechanism, wherein the screening mechanism comprises an arc frame and a top groove plate, and a groove is formed in the inner wall of the top groove plate; and is provided with a buffer mechanism; the buffer gear is including row workbin and side bearer, installs a plurality of reset springs in the side bearer inboard, installs the buffer board between the reset spring, buffer board fixed mounting is at the arc frame outer wall, moves inboard activity of groove and is equipped with cross frame, dead lever and screening ring, the constant head tank has been seted up to the arc frame inboard to be equipped with the arc row board, cross frame one end fixed surface has the nut, the inside meshing of nut has the screw rod, screw rod one end is connected with servo motor, row workbin bottom is connected with down the hopper, screening ring outside one end sealing connection has material conveying ring and material conveying hopper, screening ring other end fixedly connected with arc row board. The utility model has compact structure, is convenient for collecting coal blocks, is convenient for adjusting screening specifications, and is suitable for coal mine coal preparation plants.
Description
Technical Field
The utility model relates to the field of coal screening, in particular to screening equipment for coal washing and selecting.
Background
The coal washing and selecting is a process of removing gangue and other impurities in coal and improving the quality of the coal, the coal can be screened after the coal washing and selecting is finished, the coal is classified according to different sizes by a screening machine, and the coals with different sizes are classified, collected and supplied to different customer demands.
2022.08.12 Issued Chinese patent with publication number CN217165281U discloses a coal washing and screening device, which comprises a main frame body; the main frame body surrounds the two sides and the upper part of the inner screening frame, and the bottom end of the buffer part is fixedly connected with the main frame body; an inner screening frame is arranged on the inner side of the main frame body; a lower discharging hopper is fixedly arranged at the lower part of the main frame body; the lower part of the lower discharging hopper is contacted with the tail end of the outer knocking frame, the outer knocking frame is connected with the main frame body in a penetrating sliding manner, and the head end of the outer knocking frame is connected with the upper connecting rod in a rotating manner.
The patent of the utility model has the following problems:
The method has the advantages that the air outlet of the middle bellows is utilized to accelerate the evaporation speed of falling coal and the water content of the coal at the upper part of the lower screening net, so that the water content of the coal is reduced, but coal dust is easily blown out to pollute the surrounding environment, and the method is only suitable for screening coal with high water content.
Secondly, the sizes of the sieve holes of the upper screening net and the lower screening net cannot be adjusted, and different requirements of users cannot be met;
Third, large and medium coal pieces roll along the top of the upper and lower screen 203 to the tail and leave, without a suitable discharge port, and can only fall to the ground for collection.
Disclosure of Invention
In order to solve the technical problem, the coal washing and selecting screening equipment comprises: the screening mechanism 1 comprises an arc frame 101, a top groove plate 102 is fixedly arranged at the top end of the arc frame 101, and a moving groove 103 is formed in the inner wall of the top groove plate 102; the screening mechanism 1 is provided with a buffer mechanism 2; the buffer mechanism 2 comprises a discharge box 201, side frames 202 are fixedly arranged on two side walls of the discharge box 201, a plurality of return springs 203 are arranged on the inner sides of the side frames 202, a buffer plate is arranged between the return springs 203, the buffer plate is fixedly arranged on the outer wall of the arc frame 101, a cross frame 104 is movably arranged on the inner side of the moving groove 103, a plurality of fixing rods 109 are fixedly arranged at the bottom end of the cross frame 104, a screening ring 110 is fixedly arranged at the bottom end of the fixing rods 109, a positioning groove 114 is formed in the inner side of the arc frame 101, an arc discharge plate 115 is movably arranged on the inner side of the positioning groove 114, a nut 105 is fixedly arranged on one end surface of the cross frame 104, a screw 107 is meshed on the inner side of the nut 105, one end of the screw 107 is connected with a servo motor 108, a lower hopper 204 is connected to the bottom end of the discharge box 201, a material conveying ring 111 is connected to the top end of the screening ring 110, and the other end of the screening ring 110 is fixedly connected with the arc discharge plate 115.
Small coal particles and coal dust are discharged from the discharging hopper 204, large and medium coal blocks are discharged from the arc discharge plate 115, and a conveying belt or a receiving container can be arranged below the arc discharge plate 115. By the design, the fan is omitted, and dust is not easy to blow out.
The servo motor rotates forward or reversely, and can drive each screening ring to reciprocate back and forth integrally, so that the screened coal can fall conveniently.
When the interval between the screening rings of the screening mechanism is required to be adjusted, the connection between each nut and the corresponding fixing rod or the connection between each fixing rod and the corresponding screening ring are firstly disassembled, then the positions of each nut on the screw rod are respectively adjusted, finally the connection disassembled at the front is reset, and the number of the nuts, the cross frames, the fixing columns and the screening rings can be correspondingly increased or decreased if necessary. The effect of increasing the interval between a plurality of screening rings can be achieved, and the effect of the screening rings on the coal screening specification can be conveniently adjusted.
As optimization, the sliding balls 106 are rotatably arranged on two sides of the top of the nut 105. So designed, when each screening ring moves back and forth, the resistance is small.
As optimization, a plurality of vibration motors 113 are arranged on the outer wall of the arc frame 101. So designed, after the vibration motor 113 is started, the reset spring 203 is repeatedly compressed and released, the arc frame 101 is subjected to vibration treatment, the vibration force of the arc frame 101 is increased, the coal is convenient to vibrate and fall off and move and discharge at the screening ring 110, and the effect of the vibrating screen can be achieved.
Optimally, a controller 3 is arranged on one end surface of the discharging box 201, and a bracket 4 is fixed at the bottom end of the discharging box 201. The design is convenient for automatic control.
The utility model has compact structure, is convenient for collecting coal blocks, is convenient for adjusting screening specifications, and is suitable for coal mine coal preparation plants.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of a coal washing and screening apparatus according to the present utility model;
FIG. 2 is a schematic view of the structure of the bracket, discharge box and return spring of FIG. 1;
FIG. 3 is a schematic view of the structure of the top trough plate, the arc frame, the arc discharge plate, the material conveying ring and the material conveying hopper in FIG. 1;
FIG. 4 is a schematic view of the structure of the hopper, the feed ring, the trough, the vibration motor and the arc frame in FIG. 1;
FIG. 5 is a schematic diagram of the structure of a screening ring of a cross frame, a servo motor and a screw in the coal washing and screening device;
fig. 6 is an enlarged schematic view of the structure at a in fig. 5.
In the figure: 1 is a screening mechanism; 101 is an arc frame; 102 is a top fluted plate; 103 is a shift tank; 104 is a cross frame; 105 is a nut; 106 is a sliding ball; 107 is a screw; 108 is a servo motor; 109 is a fixed rod; 110 is a screening ring; 111 is a feeding ring; 112 is a feed hopper; 113 is a vibration motor; 114 is a positioning groove; 115 is an arc discharge plate; 2 is a buffer mechanism; 201 is a discharge box; 202 is a side frame; 203 is a return spring; 204 is a blanking hopper; 3 is a controller; and 4 is a bracket.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
Example 1: as shown in fig. 1 to 6, in this embodiment, there is provided a coal washing and screening apparatus comprising: the screening mechanism 1 comprises an arc frame 101, a top groove plate 102 is fixedly arranged at the top end of the arc frame 101, and a moving groove 103 is formed in the inner wall of the top groove plate 102; the screening mechanism 1 is provided with a buffer mechanism 2; the buffer mechanism 2 comprises a discharge box 201, side frames 202 are fixedly arranged on two side walls of the discharge box 201, a plurality of return springs 203 are arranged on the inner sides of the side frames 202, a buffer plate is arranged between the return springs 203, the buffer plate is fixedly arranged on the outer wall of the arc frame 101, a cross frame 104 is movably arranged on the inner side of the moving groove 103, a plurality of fixing rods 109 are fixedly arranged at the bottom end of the cross frame 104, a screening ring 110 is fixedly arranged at the bottom end of the fixing rods 109, a positioning groove 114 is formed in the inner side of the arc frame 101, an arc discharge plate 115 is movably arranged on the inner side of the positioning groove 114, a nut 105 is fixedly arranged on one end surface of the cross frame 104, a screw 107 is meshed on the inner side of the nut 105, one end of the screw 107 is connected with a servo motor 108, a lower hopper 204 is connected to the bottom end of the discharge box 201, a material conveying ring 111 is connected to the top end of the screening ring 110, and the other end of the screening ring 110 is fixedly connected with the arc discharge plate 115.
The sliding balls 106 are rotatably arranged on two sides of the top of the nut 105. A plurality of vibration motors 113 are arranged on the outer wall of the arc frame 101. The surface of one end of the discharging box 201 is provided with a controller 3, and the bottom end of the discharging box 201 is fixed with a bracket 4.
Claims (4)
1. A coal washing and screening device, comprising: the screening mechanism (1) comprises an arc frame (101), a top groove plate (102) is fixedly arranged at the top end of the arc frame (101), and a moving groove (103) is formed in the inner wall of the top groove plate (102); the screening mechanism (1) is provided with a buffer mechanism (2); the utility model provides a buffer gear (2) is including row workbin (201), and row workbin (201) both sides wall all fixed mounting has side bearer (202), and a plurality of reset spring (203) are installed to side bearer (202) inboard, installs the buffer board between reset spring (203), and buffer board fixed mounting is at arc frame (101) outer wall, move inboard activity of groove (103) and be equipped with cross frame (104), cross frame (104) bottom fixed mounting has a plurality of dead levers (109), and dead lever (109) bottom fixed mounting has screening ring (110), constant head tank (114) have been seted up to arc frame (101) inboard, and the inboard activity of constant head tank (114) is equipped with arc volleyboard (115), cross frame (104) one end surface fixation has nut (105), and the inside meshing of nut (105) has screw rod (107), and screw rod (107) one end is connected with servo motor (108), row workbin (201) bottom is connected with down hopper (204), screening ring (110) outside one end sealing connection has material conveying ring (111), and material conveying ring (111) top is connected with material conveying hopper (112), and screening ring (110) other end fixed connection has arc volleyball (115).
2. The coal washing and screening device according to claim 1, wherein sliding balls (106) are rotatably mounted on both sides of the top of the nut (105).
3. The coal washing and screening device according to claim 2, characterized in that a plurality of vibration motors (113) are installed on the outer wall of the arc frame (101).
4. The coal washing and screening device according to claim 1, wherein a controller (3) is installed on one end surface of the discharging box (201), and a bracket (4) is fixed at the bottom end of the discharging box (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323155598.5U CN221413908U (en) | 2023-11-22 | 2023-11-22 | Screening installation is used in coal washing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323155598.5U CN221413908U (en) | 2023-11-22 | 2023-11-22 | Screening installation is used in coal washing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221413908U true CN221413908U (en) | 2024-07-26 |
Family
ID=92008776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323155598.5U Active CN221413908U (en) | 2023-11-22 | 2023-11-22 | Screening installation is used in coal washing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221413908U (en) |
-
2023
- 2023-11-22 CN CN202323155598.5U patent/CN221413908U/en active Active
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