CN222872654U - A new type of roller screen for coal conveying system - Google Patents
A new type of roller screen for coal conveying system Download PDFInfo
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- CN222872654U CN222872654U CN202520699422.6U CN202520699422U CN222872654U CN 222872654 U CN222872654 U CN 222872654U CN 202520699422 U CN202520699422 U CN 202520699422U CN 222872654 U CN222872654 U CN 222872654U
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Abstract
The utility model discloses a novel roller screen for a coal conveying system, which comprises a screen body shell, wherein a plurality of rotary rollers are rotatably arranged in the middle of the inner wall of the screen body shell, a plurality of plum blossom screen plates are arranged in the middle of the rotary rollers, the bottom of the screen body shell is connected with a bottom support frame, the bottom support frame is communicated with the inside of the screen body shell, top bin absorption pipes are arranged on two sides of the inner wall of the screen body shell, a first purifying mechanism is arranged on one side, close to a feeding frame, of the top end of the screen body shell, blanking absorption pipes are arranged on two sides of the inner wall of the bottom support frame, a second purifying mechanism is arranged on one side, far away from a discharging frame, of the screen body shell, the bottoms of the first purifying mechanism and the bottoms of the second purifying mechanisms are respectively provided with an exhaust pipe, and the surfaces of the top bin absorption pipes and the blanking absorption pipes are respectively provided with a plurality of air inlets.
Description
Technical Field
The utility model relates to the field of coal briquette conveying, in particular to a novel roller screen for a coal conveying system.
Background
In coal conveying systems, roller screens are a common type of screening equipment used to classify coal according to particle size to meet the requirements of subsequent processes or equipment for coal quality and particle size. The screen surface of the roller screen consists of a plurality of parallel rollers on which screen discs are arranged in a staggered manner, the rollers rotate through the transmission of chain wheels or gears, and the rotation direction of the rollers is the same as the material flow direction. The existing roller screen for coal conveying can enable small coal cinder to excite dust to be in the screen frame due to continuous rolling and screening in the use process, and the small coal cinder can also form dust after screening is completed and falling to the bottom, and the dust can be diffused to the outside air to cause certain environmental pollution.
Disclosure of utility model
The utility model aims to provide a novel roller screen for a coal conveying system, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the novel roller screen for the coal conveying system comprises a screen body shell, wherein a feeding frame is arranged at the top of one side of the screen body shell, a discharging frame is arranged at the bottom of the other side of the screen body shell, a plurality of rotary rollers are rotatably arranged in the middle of the inner wall of the screen body shell, a plurality of plum blossom screen plates are arranged in the middle of the rotary rollers, a bottom support frame is connected to the bottom of the screen body shell, the bottom support frame is communicated with the inside of the screen body shell, top bin absorption pipes are arranged on two sides of the inner wall of the screen body shell, a first purifying mechanism is arranged on one side, close to the feeding frame, of the top end of the screen body shell, blanking absorption pipes are arranged on two sides of the inner wall of the bottom support frame, a second purifying mechanism is arranged on one side, far away from the discharging frame, the bottom of the first purifying mechanism and the bottom of the second purifying mechanism are respectively provided with a plurality of tee branch pipes, the surfaces of the top bin absorption pipes and the absorption pipes are respectively provided with a plurality of air inlets, the first purifying mechanism and the second purifying mechanism are respectively connected with a rectangular motor, a driving motor and a plurality of driving boxes are respectively arranged at the front sides of the driving motor and the front side of the driving motor and the driving motor.
Preferably, the screen body shell is close to the mid-mounting of second purification mechanism one side and has switch panel, driving motor and centrifugal fan all pass through switch panel and external power supply electric connection, and switch panel is convenient for driving motor and centrifugal fan control.
Preferably, the top of screen frame shell is equipped with a plurality of maintenance end covers, the bottom of ejection of compact frame is equipped with the feed opening, driving motor's output is connected with the input transmission of speed reducer, the output of speed reducer and the one end fixed connection of rotatory roller bearing, actuating mechanism is convenient for drive rotatory roller bearing and rotates.
Preferably, two ends of the three-way branch pipe at the bottom of the first purifying mechanism are communicated with two top bin absorption pipes at the top of the inner wall of the screen body shell, and two ends of the three-way branch pipe at the bottom of the second purifying mechanism are communicated with two blanking absorption pipes at the inner wall of the bottom support frame.
Preferably, the bottom of the centrifugal fan is fixedly connected with the bottom of the inner wall of the equipment box, and one end of the exhaust pipe, which is far away from the three-way branch pipe, is communicated with one side of the rectangular shell.
Preferably, the top cover of the equipment box is provided with a top cover, one side of the top cover is provided with a ventilation groove, and the ventilation groove is convenient for the exhaust work of the fan.
Compared with the prior art, the utility model has the beneficial effects that:
The centrifugal fan of first purifying mechanism and second purifying mechanism is started in the screening process, negative pressure can be produced in the centrifugal fan during operation of first purifying mechanism, the inside top of screen frame air, the inside top of bottom support frame air can be taken away through the air inlet on top storehouse absorption tube, blanking absorption tube, get into the rectangle shell after through tee bend branch pipe, the exhaust tube, by the filter core filtration treatment when passing through the rectangle shell, and then to the inside dust that rolls the screen of screen frame and the inside coal cinder of bottom support frame drop the dust that forms carry out the absorption treatment, reduce diffusion pollution, the diffusion phenomenon of the raise dust of whole rolling screen significantly reduces the screening in-process, thereby reduce the pollution that the buggy diffusion produced to the outside air.
Drawings
FIG. 1 is a front perspective view of the present utility model;
FIG. 2 is a side elevational view of the screen housing of the present utility model;
FIG. 3 is a block diagram of a first purification mechanism of the present utility model;
FIG. 4 is a block diagram of a top bin absorber tube according to the present utility model.
The device comprises a screen body shell, a feeding frame, a discharging opening, a rotary roller, a quincuncial screen sheet, a 7, an overhaul end cover, a bottom support frame, a 9, a first purifying mechanism, a 10, a top bin absorbing pipe, a 11, a second purifying mechanism, a 12, a blanking absorbing pipe, a 13, an exhaust pipe, a 14, a three-way branch pipe, a 15, a switch panel, a 16, a driving mechanism, a 17, a driving motor, a 18, a speed reducer, a 19, an equipment box, a 20, a centrifugal fan, a 21, a rectangular shell, a 22, a filter core, a 23, a top cover, a 24, a ventilation groove, a 25 and an air inlet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the utility model provides a novel roller screen for a coal conveying system, which comprises a screen shell 1, wherein a feeding frame 2 is arranged at the top of one side of the screen shell 1, a discharging frame 3 is arranged at the bottom of the other side of the screen shell 1, a plurality of rotary rollers 5 are rotatably arranged in the middle of the inner wall of the screen shell 1, a plurality of plum blossom screen plates 6 are arranged in the middle of the rotary rollers 5, a bottom support frame 8 is connected to the bottom of the screen shell 1, the bottom support frame 8 is communicated with the inside of the screen shell 1, a top bin absorption tube 10 is arranged at both sides of the inner wall of the screen shell 1, a first purifying mechanism 9 is arranged at one side of the top end of the screen shell 1 close to the feeding frame 2, a blanking absorption tube 12 is arranged at both sides of the inner wall of the bottom support frame 8, a second purifying mechanism 11 is arranged at one side of the screen shell 1 far away from the discharging frame 3, the bottom of first purification mechanism 9 and the bottom of second purification mechanism 11 all are equipped with exhaust tube 13, the bottom intercommunication of exhaust tube 13 has tee bend branch pipe 14, the surface of top storehouse absorption tube 10 and blanking absorption tube 12 all is equipped with a plurality of air inlets 25, first purification mechanism 9 and second purification mechanism 11 all include equipment box 19 and install the centrifugal fan 20 in the inside of equipment box 19, centrifugal fan 20's input intercommunication has rectangular shell 21, rectangular shell 21's middle part joint has filter core 22, screen frame shell 1 positive middle part is equipped with a plurality of actuating mechanism 16 corresponding with rotatory roller bearing 5, actuating mechanism 16 includes driving motor 17 and installs the speed reducer 18 in driving motor 17 one side.
Referring to fig. 1-4, a switch panel 15 is installed in the middle of one side of the screen body shell 1, which is close to the second purifying mechanism 11, a driving motor 17 and a centrifugal fan 20 are electrically connected with an external power supply through the switch panel 15, a plurality of overhaul end covers 7 are arranged at the top of the screen body shell 1, a discharging opening 4 is arranged at the bottom of the discharging frame 3, the output end of the driving motor 17 is in transmission connection with the input end of a speed reducer 18, and the output end of the speed reducer 18 is fixedly connected with one end of a rotary roller 5;
in this embodiment, the coal briquette is located above a plurality of rotating rollers 5, the driving motor 17 of the driving mechanism 16 drives the rotating rollers 5 to rotate through the speed reducer 18, the plum blossom screen sheet 6 can be made to rotate while the rotating rollers 5 rotate, gaps are formed between a plurality of rotating rollers 5, so that the coal briquette continuously moves above the rotating rollers 5, and meanwhile, smaller coal briquette cinder can fall into the bottom support frame 8 after passing through the space between the rotating rollers 5, and the large coal briquette is discharged after being continuously rolled and transported to the discharge frame 3 along with the rotating rollers 5 and the plum blossom screen sheet 6, so that the rolling screen work is completed.
Referring to fig. 1-4, two ends of a three-way branch pipe 14 at the bottom of a first purifying mechanism 9 are communicated with two top bin absorption pipes 10 at the top of the inner wall of a screen body shell 1, two ends of the three-way branch pipe 14 at the bottom of a second purifying mechanism 11 are communicated with two blanking absorption pipes 12 at the inner wall of a bottom support frame 8, the bottom of a centrifugal fan 20 is fixedly connected with the bottom of the inner wall of an equipment box 19, one end of an exhaust pipe 13, which is far away from the three-way branch pipe 14, is communicated with one side of a rectangular shell 21, a top cover 23 is arranged at the top of the equipment box 19, and an air ventilation groove 24 is formed in one side of the top cover 23;
In this embodiment, the centrifugal fan 20 of the first purifying mechanism 9 and the second purifying mechanism 11 is started in the screening process, air is pumped away through the air inlets 25 on the top bin absorbing pipe 10 and the blanking absorbing pipe 12, enters the rectangular shell 21 after passing through the three-way branch pipe 14 and the exhaust pipe 13, and is filtered by the filter element 22 when passing through the rectangular shell 21, so that dust formed by the inside of the screen shell 1 and the bottom support frame 8 is absorbed, and diffusion pollution is reduced.
When the novel roller screen for the coal conveying system is particularly used, coal blocks are added into the screen body shell 1 through the feeding frame 2 in the whole use process of the roller screen, the coal blocks are positioned above a plurality of rotary rollers 5, the rotary rollers 5 are driven to rotate by the driving motor 17 of the driving mechanism 16 through the speed reducer 18, the plum blossom screen sheet 6 can be rotated while the rotary rollers 5 rotate, gaps are reserved among the plurality of rotary rollers 5, so that the coal blocks continuously move above the rotary rollers 5, smaller coal block cinder can fall into the bottom support frame 8 after passing through the rotary rollers 5, the large coal blocks are continuously transported to the discharging frame 3 along with the rotary rollers 5 and the plum blossom screen sheet 6 and then discharged, the roller screen work is completed, and the centrifugal fans 20 of the first purifying mechanism 9 and the second purifying mechanism 11 are started in the screening process, the centrifugal fan 20 of the first purifying mechanism 9 can generate negative pressure when working, air above the inside of the screen body shell 1 can be pumped away through the air inlet 25 on the top bin absorbing pipe 10, enters the rectangular shell 21 of the first purifying mechanism 9 after passing through the three-way branch pipe 14 and the exhaust pipe 13, is filtered by the filter core 22 when passing through the rectangular shell 21, further absorbs dust formed by the rolling screen inside the screen body shell 1, reduces diffusion pollution, and simultaneously the centrifugal fan 20 of the second purifying mechanism 11 can generate negative pressure when working, air above the inside of the bottom support frame 8 can be pumped away through the air inlet 25 on the blanking absorbing pipe 12, enters the rectangular shell 21 of the second purifying mechanism 11 after passing through the three-way branch pipe 14 and the exhaust pipe 13, is filtered by the filter core 22 when passing through the rectangular shell 21, further absorbs dust formed by dropping coal cinder inside the bottom support frame 8, reduces diffusion pollution, the whole rolling screen greatly reduces the diffusion phenomenon of dust in the screening process, thereby reducing the pollution caused by the diffusion of coal dust to the outside air.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The novel roller screen for the coal conveying system comprises a screen body shell (1) and is characterized in that a feeding frame (2) is arranged at the top of one side of the screen body shell (1), a discharging frame (3) is arranged at the bottom of the other side of the screen body shell (1), a plurality of rotary rollers (5) are rotatably arranged in the middle of the inner wall of the screen body shell (1), a plurality of plum blossom screen sheets (6) are arranged in the middle of the rotary rollers (5), a bottom supporting frame (8) is connected to the bottom of the screen body shell (1), the bottom supporting frame (8) is communicated with the inside of the screen body shell (1), a top bin absorption pipe (10) is arranged at two sides of the inner wall of the screen body shell (1), a first purifying mechanism (9) is arranged at one side of the top end of the screen body shell (1) close to the feeding frame (2), a blanking absorption pipe (12) is arranged at two sides of the inner wall of the bottom supporting frame (8), a second purifying mechanism (11) is arranged at one side of the screen body shell (1) far away from the discharging frame (3), a plurality of exhaust pipes (13) are communicated with the bottom of the suction pipes (13) and the suction pipes (13) are arranged at the bottom of the suction pipes (13), the utility model discloses a centrifugal fan, including first purification mechanism (9) and second purification mechanism (11), including equipment box (19) and install centrifugal fan (20) inside equipment box (19), the input intercommunication of centrifugal fan (20) has rectangular shell (21), the middle part joint of rectangular shell (21) has filter core (22), positive middle part of screen frame shell (1) is equipped with a plurality of actuating mechanism (16) corresponding with rotatory roller bearing (5), actuating mechanism (16) include driving motor (17) and install speed reducer (18) in driving motor (17) one side.
2. The novel roller screen for the coal conveying system according to claim 1, wherein a switch panel (15) is arranged in the middle of one side of the screen body shell (1) close to the second purifying mechanism (11), and the driving motor (17) and the centrifugal fan (20) are electrically connected with an external power supply through the switch panel (15).
3. The novel roller screen for the coal conveying system, which is disclosed in claim 1, is characterized in that a plurality of overhaul end covers (7) are arranged at the top of the screen body shell (1), and a feed opening (4) is arranged at the bottom of the discharge frame (3).
4. The novel roller screen for the coal conveying system according to claim 1, wherein the output end of the driving motor (17) is in transmission connection with the input end of the speed reducer (18), and the output end of the speed reducer (18) is fixedly connected with one end of the rotary roller (5).
5. The novel roller screen for the coal conveying system, as claimed in claim 1, is characterized in that two ends of a three-way branch pipe (14) at the bottom of the first purifying mechanism (9) are communicated with two top bin absorption pipes (10) at the top of the inner wall of the screen body shell (1), and two ends of the three-way branch pipe (14) at the bottom of the second purifying mechanism (11) are communicated with two blanking absorption pipes (12) at the inner wall of the bottom support frame (8).
6. The novel roller screen for the coal conveying system according to claim 1, wherein the bottom of the centrifugal fan (20) is fixedly connected with the bottom of the inner wall of the equipment box (19), and one end of the exhaust pipe (13) far away from the three-way branch pipe (14) is communicated with one side of the rectangular shell (21).
7. The novel roller screen for the coal conveying system, as claimed in claim 1, is characterized in that a top cover of the equipment box (19) is provided with a top cover (23), and one side of the top cover (23) is provided with a ventilation groove (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520699422.6U CN222872654U (en) | 2025-04-15 | 2025-04-15 | A new type of roller screen for coal conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520699422.6U CN222872654U (en) | 2025-04-15 | 2025-04-15 | A new type of roller screen for coal conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222872654U true CN222872654U (en) | 2025-05-16 |
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ID=95679957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520699422.6U Active CN222872654U (en) | 2025-04-15 | 2025-04-15 | A new type of roller screen for coal conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222872654U (en) |
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2025
- 2025-04-15 CN CN202520699422.6U patent/CN222872654U/en active Active
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