CN220392099U - Automatic dredging device for chute - Google Patents
Automatic dredging device for chute Download PDFInfo
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- CN220392099U CN220392099U CN202322032153.1U CN202322032153U CN220392099U CN 220392099 U CN220392099 U CN 220392099U CN 202322032153 U CN202322032153 U CN 202322032153U CN 220392099 U CN220392099 U CN 220392099U
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- variable frequency
- air
- frequency pump
- air supply
- chute
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- 239000003245 coal Substances 0.000 claims abstract description 34
- 239000002344 surface layer Substances 0.000 claims abstract description 8
- 238000009825 accumulation Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 238000005065 mining Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Chutes (AREA)
Abstract
The utility model belongs to the technical field of coal pile dredging of a chute, and solves the problems that shutdown is needed and dredging is not timely when dredging is performed through a coal poking tool or an air pipe. The automatic dredging device for the chute comprises an air supply pipeline, a controller, a variable frequency pump, an electromagnetic valve, a surge tank, an exhaust horn pipe and a high-pressure air source; the inlet department of air feed line is arranged in to the high pressure air supply, and the air inlet of variable frequency pump is connected in the exit of air feed line, and the gas outlet and the exhaust horn union coupling of variable frequency pump, solenoid valve, surge tank set up in order on the air feed line, pass through cable connection between controller and solenoid valve, the motor of variable frequency pump, and the opening direction of exhaust horn union is towards the coal surface layer of coal bunker feed opening. The automatic dredging device for the chute converts the dredging operation of the chute into automation, and can dredge the chute automatically with frequency under the condition of not affecting production, thereby ensuring normal operation of production.
Description
Technical Field
The utility model belongs to the technical field of chute coal pile dredging, and particularly relates to an automatic chute dredging device.
Background
In the production process of fields such as coal mine, metallurgy, chemical industry and the like, some coal or materials with higher wet viscosity or steam liquid materials with higher solid content drop onto a steel plate at the bottom of a blanking chute by an upper belt conveyor in the production and conveying process of coal and materials, the materials are easy to produce sticky materials and hanging materials at the blanking point of the chute, the more the sticky materials are accumulated after long-term operation, and thus dry caking is formed with the steel plate, and the problems of unsmooth blanking, blocking and the like are caused in severe cases.
Materials in some fields contain a large amount of corrosive media, if the materials form bonding for a long time, the strength of a steel plate can be reduced due to corrosion, the service life of a chute is shortened, when the chute is blocked at a transfer point, on-site production team members are required to stop coal, shut down and power failure, the chute is dredged by using work, and the chute is dredged manually through a coal poking tool or an air pipe.
Disclosure of Invention
The utility model provides an automatic dredging device for a chute, which aims to solve at least one technical problem in the prior art.
The utility model is realized by adopting the following technical scheme: an automatic dredging device for a chute comprises an air supply pipeline, a controller, a variable frequency pump, an electromagnetic valve, a pressure stabilizing tank, an exhaust horn pipe and a high-pressure air source; the inlet department of air feed line is arranged in to the high pressure air supply, and the air inlet of variable frequency pump is connected in the exit of air feed line, and the gas outlet and the exhaust horn union coupling of variable frequency pump, solenoid valve, surge tank set up in order on the air feed line, pass through cable connection between controller and solenoid valve, the motor of variable frequency pump, and the opening direction of exhaust horn union is towards the coal surface layer of coal bunker feed opening.
Preferably, a stop valve is arranged on an air supply pipeline between the high-pressure air source and the electromagnetic valve, an air-water separator is arranged on an air supply pipeline between the electromagnetic valve and the surge tank, and a pressure gauge is arranged on an air supply pipeline between the surge tank and the variable frequency pump.
Preferably, the air supply pipeline is a seamless steel pipe, and the cable is a mining rubber sleeve cable.
Preferably, the controller is provided with a frequency modulation button for adjusting the frequency range of the exhaust pulse wave, and the frequency of the variable frequency pump is changed to further control the gas pulse frequency output by the exhaust horn pipe, so that vibration waves which loosen and fall off the coal accumulation surface layer of the coal bunker blanking opening are emitted.
Preferably, the voltage output by the cable for connection to the motor of the variable frequency pump is AC380V and the voltage output by the cable for connection to the solenoid valve is DC24V.
Preferably, the exhaust horn is of a strip-shaped structure, and the diameter of one end of the exhaust horn, which is far away from the variable frequency pump, is larger than that of the other end.
Compared with the prior art, the utility model has the beneficial effects that:
the device generates a gas energy transmission wave and utilizes the pressure fluctuation characteristic (gas pulse) of the device to act on the coal accumulation surface layer of the coal bunker blanking hole. Under the action, the accumulated coal bed is loosened, the accumulated coal particles are shifted and misplaced, and the accumulated coal particles are separated from the original positions under the action of external forces such as self gravity, wind force and the like, so that the purpose of clearing blockage is achieved.
The automatic dredging device for the chute converts the dredging operation of the chute into automation, and can dredge the chute automatically with frequency under the condition of not affecting production, thereby ensuring normal operation of production.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of the device.
In the figure: 1-an air supply pipeline; 2-a controller; 3-a variable frequency pump; 4-an electromagnetic valve; 5-a surge tank; 6-an exhaust horn; 7-a high-pressure air source; 8-a cable; 9-a stop valve; 10-a water-gas separator; 11-pressure gauge.
Detailed Description
Technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments 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 examples of this utility model without making any inventive effort, are intended to fall within the scope of this utility model.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are merely for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the appended claims, and any structural modifications, proportional changes, or dimensional adjustments, which may be made by those skilled in the art, should fall within the scope of the present disclosure without affecting the efficacy or the achievement of the present utility model, and it should be noted that, in the present disclosure, relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual relationship or order between such entities.
The present utility model provides an embodiment:
as shown in fig. 1, the automatic dredging device for the chute comprises an air supply pipeline 1, a controller 2, a variable frequency pump 3, an electromagnetic valve 4, a surge tank 5, an exhaust horn 6 and a high-pressure air source 7; the inlet department of air feed line 1 is arranged in to high-pressure air source 7, and the exit at air feed line 1 is connected to the air inlet of variable frequency pump 3, and the gas outlet and the exhaust horn 6 of variable frequency pump 3 are connected, and solenoid valve 4, surge tank 5 set up in order on air feed line 1, are connected through cable 8 between controller 2 and solenoid valve 4, the motor of variable frequency pump 3, and the opening direction of exhaust horn 6 is towards the coal surface layer of coal bunker feed opening. A stop valve 9 is arranged on the air supply pipeline 1 between the high-pressure air source 7 and the electromagnetic valve 4, an air-water separator 10 is arranged on the air supply pipeline 1 between the electromagnetic valve 4 and the surge tank 5, and a pressure gauge 11 is arranged on the air supply pipeline 1 between the surge tank 5 and the variable frequency pump 3.
In this embodiment, the air supply pipeline 1 is a 1.5 inch seamless steel pipe, the cable 8 is a mining rubber sleeve cable, the controller 2 is a mining flameproof type, and the electrified cover is strictly forbidden. The exhaust horn tube 6 is of a strip-shaped structure, and the diameter of one end, far away from the variable frequency pump 3, of the exhaust horn tube 6 is larger than that of the other end.
The pressure of the high-pressure air source 1 is more than or equal to 0.5Mpa, and the flow is more than or equal to 3Nm3/min. (normally, the coal mine air pressure pipeline is directly used for air supply). The voltage output from the cable 8 for connection to the motor of the variable frequency pump 3 is AC380V and the voltage output from the cable 8 for connection to the solenoid valve 4 is DC24V.
The controller 2 is provided with a frequency modulation button 12 for adjusting the frequency range of the exhaust pulse wave, the frequency of the variable frequency pump 3 is changed, the gas pulse frequency output by the exhaust horn tube 6 is further controlled, vibration waves which enable the coal accumulation surface layer of the coal bunker blanking port to loosen and fall down are emitted, under the action, the coal accumulation layer is loosened, the coal accumulation particles are shifted and misplaced, and the coal accumulation layer is separated from the original position under the action of external forces such as self gravity, wind force and the like, so that the blockage removal purpose is achieved. The frequency modulation range of the controller 2 is 0-50 HZ, and the output gas pulse frequency (P): p is more than or equal to 10 and is more than or equal to 1200HZ. The coal bunker dredging device works once every shift, and the time of each work is not more than 5 minutes (except the situation of blockage). The maximum noise of the external environment is less than or equal to 110 dB during working.
The specific operation steps are as follows:
1. and (3) switching on a high-pressure air source 1: ensuring that the pressure is not less than 0.5MPa.
2. Starting: the starting key of the controller 2 is pressed, the electromagnetic valve 4 is opened, compressed air enters the equipment, and after the motor runs for 1-2 seconds, the coal bunker dredging device enters a normal working state.
3. Frequency debugging: and slowly rotating the frequency modulation knob on the controller 2, and adjusting the frequency range of the exhaust pulse wave to reach the optimal working state.
4. And (5) shutting down: the stop button of the controller 2 is pressed, the electromagnetic valve 4 is closed, the motor stops running, and the equipment is in a standby state.
The device runs at intervals automatically, can remove the sticky coal in time, and does not need to stop.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (6)
1. An automatic pull throughs of chute, its characterized in that: the device comprises an air supply pipeline (1), a controller (2), a variable frequency pump (3), an electromagnetic valve (4), a pressure stabilizing tank (5), an exhaust horn pipe (6) and a high-pressure air source (7); the high-pressure air supply (7) is arranged at the inlet of the air supply pipeline (1), the air inlet of the variable frequency pump (3) is connected at the outlet of the air supply pipeline (1), the air outlet of the variable frequency pump (3) is connected with the air discharge horn pipe (6), the electromagnetic valve (4) and the pressure stabilizing tank (5) are sequentially arranged on the air supply pipeline (1), the controller (2) is connected with the electromagnetic valve (4) and the motor of the variable frequency pump (3) through cables (8), and the opening direction of the air discharge horn pipe (6) faces the coal accumulation surface layer of the coal bin discharging opening.
2. The automatic chute dredging apparatus according to claim 1, wherein: a stop valve (9) is arranged on the air supply pipeline (1) between the high-pressure air source (7) and the electromagnetic valve (4), an air-water separator (10) is arranged on the air supply pipeline (1) between the electromagnetic valve (4) and the pressure stabilizing tank (5), and a pressure gauge (11) is arranged on the air supply pipeline (1) between the pressure stabilizing tank (5) and the variable frequency pump (3).
3. The automatic chute dredging device according to claim 2, wherein: the air supply pipeline (1) is a seamless steel pipe, and the cable (8) is a mining rubber sleeve cable.
4. The automatic chute dredging device according to claim 2, wherein: the controller (2) is provided with a frequency modulation button (12) for adjusting the frequency range of the exhaust pulse wave, and the frequency of the variable frequency pump (3) is changed to further control the gas pulse frequency output by the exhaust horn tube (6), so that vibration waves which loosen and drop the coal accumulation surface layer of the coal bin discharging opening are emitted.
5. The automatic chute dredging device according to claim 2, wherein: the voltage output by the cable (8) used for being connected with the motor of the variable frequency pump (3) is AC380V, and the voltage output by the cable (8) used for being connected with the electromagnetic valve (4) is DC24V.
6. The automatic chute dredging device according to claim 2, wherein: the exhaust horn tube (6) is of a strip-shaped structure, and the diameter of one end, far away from the variable frequency pump (3), of the exhaust horn tube (6) is larger than that of the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322032153.1U CN220392099U (en) | 2023-07-31 | 2023-07-31 | Automatic dredging device for chute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322032153.1U CN220392099U (en) | 2023-07-31 | 2023-07-31 | Automatic dredging device for chute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220392099U true CN220392099U (en) | 2024-01-26 |
Family
ID=89608538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322032153.1U Active CN220392099U (en) | 2023-07-31 | 2023-07-31 | Automatic dredging device for chute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220392099U (en) |
-
2023
- 2023-07-31 CN CN202322032153.1U patent/CN220392099U/en active Active
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