CN217807439U - Vacuum cleaning gangue collecting device - Google Patents
Vacuum cleaning gangue collecting device Download PDFInfo
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- CN217807439U CN217807439U CN202221057018.1U CN202221057018U CN217807439U CN 217807439 U CN217807439 U CN 217807439U CN 202221057018 U CN202221057018 U CN 202221057018U CN 217807439 U CN217807439 U CN 217807439U
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- waste rock
- gangue
- vacuum
- discharge box
- outlet pipeline
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Abstract
The utility model provides a vacuum cleaning coal gangue collecting device, which comprises a coal mill and a waste rock discharge box, wherein an outlet pipeline of the coal mill is connected with the waste rock discharge box, a first waste rock discharge valve is arranged on the outlet pipeline of the coal mill, and a second waste rock discharge valve is arranged on the outlet pipeline of the waste rock discharge box; the vacuum cleaning accident tank and the vacuum fan are also included; an outlet pipeline of the waste rock discharge box is connected with a vacuum cleaning accident tank, a filter layer structure is arranged in the vacuum cleaning accident tank, and an inner cavity of the vacuum cleaning accident tank is separated by the filter layer structure to form a collection chamber and a clean chamber; an inlet pipeline of the vacuum fan is connected with the clean room; an outlet pipeline of the vacuum fan is connected with a high-point emptying system; an emptying pipeline is arranged at the bottom of the collecting chamber, and an emptying valve is arranged on the emptying pipeline. The device solves the environmental problem and the safety problem caused by untight closing of the valve.
Description
Technical Field
The utility model relates to a gangue collecting device technical field, concretely relates to clean gangue collection device in vacuum.
Background
The coal pulverizer is at the operation in-process, and the gangue that can't mill falls to the wind chamber through the wind ring, and the mill rotates and drives the scraper blade rotation, scrapes the gangue to the discharge refuse incasement, and the discharge refuse case is according to the material level height, regularly clears up.
At present, the flow for cleaning coal gangue is shown in a figure 1, an outlet pipeline of a coal mill 1 is connected with a gangue discharge box 2, the outlet pipeline of the gangue discharge box 2 is communicated with the outside, wherein a first gangue discharge valve 3 is arranged on the outlet pipeline of the coal mill 1, and a second gangue discharge valve 4 is arranged on the outlet pipeline of the gangue discharge box. When slag is accumulated, the second gangue discharge valve 4 is closed, and then the first gangue discharge valve 3 is opened to collect coal gangue; when the waste rock in the waste rock discharge box 2 is more, the slag discharge treatment is carried out, the first waste rock discharge valve 3 is closed, and then the second waste rock discharge valve 4 is opened, so that the waste rock is discharged to the outside. However, this procedure has several problems:
firstly, when the coal mill 1 normally operates, the interior of the coal mill is slightly positive pressure, and when the first gangue discharge valve 3 and the second gangue discharge valve 4 are not closed tightly, internal coal dust and inert gas can leak to the outside, so that environmental pollution accidents can be caused;
secondly, when the personnel are operating, because of the valve is not tight, can lead to the person poisoning accident.
Therefore, improvements are needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a clean gangue collection device in vacuum, the device has solved the valve and has closed environmental problem and the safety problem that does not strictly cause.
In order to achieve the above object, the technical solution of the present invention is as follows.
A vacuum cleaning coal gangue collecting device comprises a coal mill and a waste rock discharge box, wherein an outlet pipeline of the coal mill is connected with the waste rock discharge box, a first waste rock discharge valve is arranged on the outlet pipeline of the coal mill, and a second waste rock discharge valve is arranged on the outlet pipeline of the waste rock discharge box;
the vacuum cleaning accident tank and the vacuum fan are also included;
an outlet pipeline of the waste rock discharge box is connected with the vacuum cleaning accident tank, a filter layer structure is arranged in the vacuum cleaning accident tank, and an inner cavity of the vacuum cleaning accident tank is separated by the filter layer structure to form a collection chamber and a clean chamber;
an inlet pipeline of the vacuum fan is connected with the clean room; an outlet pipeline of the vacuum fan is connected with a high-point emptying system;
an emptying pipeline is arranged at the bottom of the collecting chamber, and an emptying valve is arranged on the emptying pipeline.
Furthermore, a third gangue discharge valve is also arranged on an outlet pipeline of the coal mill, and the first gangue discharge valve is arranged at one end, close to the coal mill, of the outlet pipeline of the coal mill; and the third gangue discharge valve is arranged at one end, close to the gangue discharge box, of an outlet pipeline of the coal mill.
Furthermore, an outlet pipeline of the coal mill is connected with an air inlet pipeline through a three-way pipe, and the three-way pipe is arranged on a pipeline between the third waste rock discharge valve and the waste rock discharge box; a gas sealing valve is arranged on the gas inlet pipeline; one end of the air inlet pipeline is connected with an air inlet system.
Furthermore, one end of the evacuation pipeline is connected with the sealed tank car and is detachably connected with an inlet of the sealed tank car.
Further, be provided with material level warning trigger mechanism on the inner wall of waste rock discharge case, material level warning trigger mechanism includes:
the positioning track is arranged on the inner wall of the waste rock discharge box and is close to the inlet of the waste rock discharge box;
the rotating ring is rotatably arranged on the positioning track;
the driving component is arranged on one side of the positioning track and can drive the rotating ring to rotate;
one end of the trigger rod is arranged on the inner wall of the rotating ring, and the other end of the trigger rod faces to the outlet of the waste rock discharge box;
the acousto-optic prompt unit is arranged outside the waste rock discharge box;
the rotating speed detector is arranged on one side of the rotating ring and used for detecting and transmitting the rotating speed of the rotating ring;
and the processor is used for receiving the rotating speed detected by the rotating speed detector, comparing the detection result with the set result, and controlling the acousto-optic prompt unit to give out acousto-optic prompt when the detection result is smaller than the set result.
Furthermore, the driving part comprises a motor, an output shaft of the motor is connected with a driving gear, an outer gear ring is arranged on the outer wall of the rotating ring, and the driving gear is meshed with the outer gear ring.
Furthermore, a protruding portion is arranged on the positioning track, and an inner concave portion is arranged on the rotating ring, is arranged on the protruding portion, and is rotatably connected with the protruding portion.
Furthermore, the material level alarm triggering mechanism also comprises a power supply module, and the power supply module is electrically connected with the motor, the sound and light prompting unit, the rotating speed detector and the processor; the processor is electrically connected with the acousto-optic prompt unit and the rotating speed detector.
The utility model has the advantages that:
1. the utility model can discharge waste rock under negative pressure, and no waste rock place is needed to be arranged on site, thereby reducing on-site dust and protecting environment; the workload of field operators is reduced, a forklift and a driver are not required, and the production cost can be saved; the field operators do not directly discharge the waste rocks, thereby reducing the risk of hot nitrogen leakage and avoiding scalding and suffocation; the waste rock discharge mode of the original waste rock discharge box is reserved as a standby means, the waste rock discharge mode is diversified, and the process treatment is facilitated.
Drawings
FIG. 1 is a working principle diagram of a coal gangue cleaning system in the prior art.
Fig. 2 is a schematic structural view of the vacuum cleaning coal gangue collecting device according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of a vacuum cleaning coal gangue collecting device according to embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of a gangue discharge box and a material level alarm triggering mechanism in embodiment 3 of the present invention.
In the figure, 1, a coal mill; 2. a waste rock discharge box; 3. a first waste rock discharge valve; 4. a second waste rock discharge valve; 5. vacuum cleaning the accident tank; 6. a vacuum fan; 7. a filter layer structure; 8. a collection chamber; 9. a clean room; 10. a high point venting system; 11. evacuating the line; 12. an evacuation valve; 13. a third waste rock discharge valve; 14. an air intake line; 15. a gas seal valve; 16. sealing the tank car; 17. an air intake system; 18. positioning the track; 19. a rotating ring; 20. a trigger lever; 21. an acousto-optic prompt unit; 22. a rotation speed detector; 23. a processor; 24. a motor; 25. a drive gear; 26. an outer gear ring; 27. and a power supply module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 2, a vacuum cleaning coal gangue collecting device comprises a coal mill 1, a gangue discharge box 2, a vacuum cleaning accident tank 5 and a vacuum fan 6; an outlet pipeline of the coal mill 1 is connected with an inlet of the waste rock discharge box 2, and an outlet pipeline of the waste rock discharge box 2 is connected with an inlet of the vacuum cleaning accident tank 5. Here, each outlet pipeline is a wear-resistant pipeline, and the coal mill 1, the waste rock discharge tank 2 and the vacuum cleaning accident tank 5 are sequentially connected through the wear-resistant pipeline.
The outlet pipeline of the coal mill 1 is provided with a first waste rock discharge valve 3, and the outlet pipeline of the waste rock discharge box 2 is provided with a second waste rock discharge valve 4; and the on/off of each outlet pipeline is controlled by a waste rock discharge valve.
A filter layer structure 7 is arranged in the vacuum cleaning accident tank 5, and the inner cavity of the vacuum cleaning accident tank 5 is separated by the filter layer structure 7 to form a collection chamber 8 and a clean room 9; wherein the filter layer structure 7 comprises a filter laminate and a filter bag; the filter bag is laid on the filter laminate and is detachably connected with the filter laminate. For example, the filtering layer includes a first layer and a second layer, the first layer is fixedly connected with the inner wall of the vacuum cleaning accident can 5 to divide the inner cavity of the vacuum cleaning accident can; the filter bag is laid on the first laminate, the second laminate is arranged on the filter bag, and the second laminate is in threaded connection with the inner wall of the vacuum cleaning accident tank 5; wherein the first layer plate is provided with a plurality of filtering holes and a plurality of concave parts which are concave towards the collecting chamber 8; the shape of second plywood is the cavity annular, screws downwards along with the second plywood for compress tightly the filter bag on first plywood, have between filter bag and the interior recess from this and form a plurality of buffer memory chambeies, can avoid blocking phenomenon to take place. In order to conveniently carry out the rotation regulation of second plywood, the top of second plywood has a plurality of fixed blocks, and all is provided with the block groove on every fixed block, adjusts the both ends card of pole and establishes in two relative block inslot. Therefore, the second laminate can be rotationally adjusted through the rotation adjusting rod.
An inlet pipeline of the vacuum fan 6 is connected with the clean room 9; an outlet pipeline of the vacuum fan 6 is connected with a high-point emptying system 10; the bottom of the collection chamber 8 is provided with an evacuation line 11, and the evacuation line 11 is provided with an evacuation valve 12. One end of the evacuation line 11 is connected to the seal tanker 16 and is detachably connected to the inlet of the seal tanker 16. By arranging the evacuation pipeline 11 and the evacuation valve 12, the gangue in the vacuum cleaning accident tank 5 can be discharged to the sealed tank car 16 and transported out for treatment.
When the device is used, when the material level alarm of the waste rock discharge box 2 is triggered, field personnel close the first waste rock discharge valve 3 and the second waste rock discharge valve 4 and start the vacuum fan 6, so that the inner cavity of the vacuum cleaning accident tank 5 is pumped to a negative pressure state of-50 KPa; and at the moment, opening a second gangue discharge valve 4, discharging the coal gangue in the gangue discharge box 2 to a vacuum cleaning accident tank 5, observing the amount of the coal gangue in the gangue discharge box 2 through a sight glass, and discharging the coal gangue in the vacuum cleaning accident tank 5 to a sealed tank truck 16 through opening an exhaust valve 12 before next shift every day for outward delivery treatment.
Example 2
Referring to fig. 3, a vacuum cleaning coal gangue collecting device has a structure substantially the same as that of embodiment 1, and is different in that a third gangue discharge valve 13 is further disposed on an outlet pipeline of a coal mill 1, and a first gangue discharge valve 3 is disposed at one end of the outlet pipeline of the coal mill 1, which is close to the coal mill 1; and the third gangue discharge valve 13 is arranged at one end of an outlet pipeline of the coal mill 1, which is close to the gangue discharge box 2.
Preferably, an outlet pipeline of the coal mill 1 is connected with the air inlet pipeline 14 through a three-way pipe, and the three-way pipe is arranged on a pipeline between the third waste rock discharge valve 13 and the waste rock discharge box 2; the gas inlet pipeline 14 is provided with a gas sealing valve 15; one end of the intake line 14 is connected to an intake system 17.
When the material level alarm of the waste rock discharge tank 2 is triggered, the field personnel close the first waste rock discharge valve 3, the third waste rock discharge valve 13 and the gas sealing valve 15, and start the vacuum fan 6 to pump the inner cavity of the vacuum cleaning accident tank 5 to a negative pressure state of-50 KPa; and opening a second gangue discharge valve 4, discharging the coal gangue in the gangue discharge box 2 to a vacuum cleaning accident tank 5, observing the amount of the coal gangue in the gangue discharge box 2 through a sight glass, and discharging the coal gangue in the vacuum cleaning accident tank 5 to a sealed tank truck 16 through opening an exhaust valve 12 before next shift every day for outward delivery treatment.
Example 3
Referring to fig. 4, a vacuum cleaning coal gangue collecting device has a structure substantially the same as that of embodiment 1 or 2, and is different in that a level alarm triggering mechanism is disposed on an inner wall of a gangue discharge box 2, and the level alarm triggering mechanism includes: the device comprises a positioning track 18, a rotating ring 19, a driving component, a trigger rod 20, an acousto-optic prompting unit 21, a rotating speed detector 22, a processor 23 and a power supply module 27.
The positioning track 18 is arranged on the inner wall of the waste rock discharge box 2 and is close to the inlet of the waste rock discharge box 2; the rotating ring 19 is rotatably arranged on the positioning track 18; specifically, the positioning track 18 is provided with a convex portion, the rotating ring 19 is provided with a concave portion, and the concave portion is provided on the convex portion and rotatably connected with the convex portion, so that the rotating ring can stably rotate on the positioning track. In this embodiment, the positioning track and the rotating ring are both annular and are installed on the inner wall of the waste rock discharge box.
The driving part is arranged at one side of the positioning track 18 and can drive the rotating ring 19 to rotate; specifically, the driving part includes a motor 24, the motor 24 is a micro motor, an output shaft of the motor 24 is connected with a driving gear 25, an outer gear ring 26 is arranged on the outer wall of the rotating ring 19, and the driving gear 25 is engaged with the outer gear ring 26. Therefore, the driving gear on the output end of the motor drives the outer gear ring to rotate, and further drives the rotating ring to rotate.
The triggering rod 20 has at least one end, one end of the triggering rod 20 is fixedly arranged on the inner wall of the rotating ring 19, and the other end of the triggering rod 20 is arranged towards the outlet of the waste bin 2, namely extends downwards. Because the trigger bar is fixedly connected with the rotating ring, the trigger bar can rotate along with the rotation of the rotating ring. The trigger bar is used for detecting whether waste rock in the waste rock discharge box is filled, and when the waste rock discharge box is filled, the waste rock in the waste rock discharge box can block the movement of the trigger bar, so that the rotating speed of the rotating ring can be reduced.
The acousto-optic prompt unit 21 is arranged outside the gangue discharging box 2; for providing audible and visual cues. The sound and light prompting unit is a sound and light warning indicator which can be purchased in the market.
The rotation speed detector 22 is disposed at one side of the rotating ring 19, and is used for detecting the rotation speed of the rotating ring 19 and sending the detected rotation speed to the processor 23. The rotation speed detector is a commercially available laser rotation speed detector.
The processor 23 is configured to receive the rotation speed detected by the rotation speed detector 22, compare the detection result with the setting result, and control the audible and visual prompting unit 21 to emit an audible and visual prompt when the detection result is smaller than the setting result.
The power supply module 27 is electrically connected with the motor 24, the acousto-optic prompt unit 21, the rotating speed detector 22 and the processor 23; for providing power. The processor 23 is electrically connected with the acousto-optic prompt unit 21 and the rotation speed detector 22, and controls the acousto-optic prompt unit 21 and the rotation speed detector 22 to work.
At material level warning trigger mechanism operation in-process, motor drive swivel becket rotates to drive the trigger bar and rotate, when the waste rock in the waste rock discharging box is about to fill up, the waste rock in the waste rock discharging box can block the removal production of trigger bar, can reduce the rotational speed of swivel becket from this. When the rotating speed of the rotating ring is detected by the rotating speed detector to be reduced to a certain threshold range, the processor can receive the result and control the acousto-optic prompting unit to send acousto-optic prompts to remind an operator of cleaning the waste rock discharge box and discharge coal gangue in the waste rock discharge box to the vacuum cleaning accident tank.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A vacuum cleaning coal gangue collecting device comprises a coal mill (1) and a waste rock discharge box (2), wherein an outlet pipeline of the coal mill (1) is connected with the waste rock discharge box (2), a first waste rock discharge valve (3) is arranged on the outlet pipeline of the coal mill (1), and a second waste rock discharge valve (4) is arranged on the outlet pipeline of the waste rock discharge box (2); it is characterized in that the preparation method is characterized in that,
the device also comprises a vacuum cleaning accident tank (5) and a vacuum fan (6);
an outlet pipeline of the waste rock discharge box (2) is connected with the vacuum cleaning accident tank (5), a filter layer structure (7) is arranged in the vacuum cleaning accident tank (5), and an inner cavity of the vacuum cleaning accident tank (5) is separated by the filter layer structure (7) to form a collection chamber (8) and a clean room (9);
the inlet pipeline of the vacuum fan (6) is connected with the clean room (9); an outlet pipeline of the vacuum fan (6) is connected with a high-point emptying system (10);
an emptying pipeline (11) is arranged at the bottom of the collecting chamber (8), and an emptying valve (12) is arranged on the emptying pipeline (11);
be provided with material level warning trigger mechanism on the inner wall of discharge cash case (2), material level warning trigger mechanism includes:
the positioning track (18) is arranged on the inner wall of the waste rock discharge box (2) and is close to the inlet of the waste rock discharge box (2);
the rotating ring (19) is rotatably arranged on the positioning track (18);
a driving component which is arranged at one side of the positioning track (18) and can drive the rotating ring (19) to rotate;
at least one trigger rod (20), one end of which is arranged on the inner wall of the rotating ring (19), and the other end of which faces to the outlet of the waste rock discharge box (2);
the acousto-optic prompt unit (21) is arranged outside the waste rock discharge box (2);
a rotating speed detector (22) arranged on one side of the rotating ring (19) and used for detecting and transmitting the rotating speed of the rotating ring (19);
and the processor (23) is used for receiving the rotating speed detected by the rotating speed detector (22), comparing the detection result with the set result, and controlling the acousto-optic prompt unit (21) to give an acousto-optic prompt when the detection result is smaller than the set result.
2. The vacuum-cleaned coal gangue collection device according to claim 1, wherein a third gangue discharge valve (13) is further arranged on an outlet pipeline of the coal mill (1), and the first gangue discharge valve (3) is arranged at one end, close to the coal mill (1), of the outlet pipeline of the coal mill (1); and the third gangue discharge valve (13) is arranged at one end, close to the gangue discharge box (2), of an outlet pipeline of the coal mill (1).
3. The vacuum clean coal gangue collection device according to claim 2, wherein the outlet line of the coal mill (1) is connected with the air inlet line (14) through a three-way pipe, which is arranged on the line between the gangue discharge valve III (13) and the gangue discharge box (2); a gas sealing valve (15) is arranged on the gas inlet pipeline (14); one end of the air inlet pipeline (14) is connected with an air inlet system (17).
4. The vacuum cleaned coal refuse collection installation according to claim 1, wherein the evacuation line (11) is connected at one end to a sealed tanker (16) and is removably connected to an inlet of the sealed tanker (16).
5. The vacuum-cleaned coal gangue collection device according to claim 1, wherein the driving member comprises a motor (24), a driving gear (25) is connected to an output shaft of the motor (24), an external gear ring (26) is arranged on an outer wall of the rotating ring (19), and the driving gear (25) is in meshed connection with the external gear ring (26).
6. The vacuum cleaned coal refuse collection installation according to claim 1, wherein the positioning rail (18) is provided with a projection, and the rotating ring (19) is provided with a recess, the recess being provided on the projection and being rotatably connected thereto.
7. The vacuum clean coal gangue collection device of claim 5, wherein the level alarm triggering mechanism further comprises a power module (27), the power module (27) is electrically connected with the motor (24), the audible and visual prompting unit (21), the rotation speed detector (22) and the processor (23); the processor (23) is electrically connected with the acousto-optic prompt unit (21) and the rotating speed detector (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221057018.1U CN217807439U (en) | 2022-05-06 | 2022-05-06 | Vacuum cleaning gangue collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221057018.1U CN217807439U (en) | 2022-05-06 | 2022-05-06 | Vacuum cleaning gangue collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217807439U true CN217807439U (en) | 2022-11-15 |
Family
ID=83981229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221057018.1U Active CN217807439U (en) | 2022-05-06 | 2022-05-06 | Vacuum cleaning gangue collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217807439U (en) |
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2022
- 2022-05-06 CN CN202221057018.1U patent/CN217807439U/en active Active
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