CN216866769U - Automatic spraying dust-settling device with dust concentration detection and control functions - Google Patents
Automatic spraying dust-settling device with dust concentration detection and control functions Download PDFInfo
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- CN216866769U CN216866769U CN202220582503.4U CN202220582503U CN216866769U CN 216866769 U CN216866769 U CN 216866769U CN 202220582503 U CN202220582503 U CN 202220582503U CN 216866769 U CN216866769 U CN 216866769U
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Abstract
The utility model discloses an automatic spraying dust-settling device with dust concentration detection and control, which relates to the field of spraying dust-settling for mines and is characterized in that: the mining explosion-proof and intrinsic safety type direct-current power supply is used for supplying power to the control box; the mining intrinsic safety type dust concentration sensor is arranged in a mine and used for monitoring the dust concentration in the mine; a control cable is connected between the control box and the electric ball valve, and the control box controls the opening and closing actions of the electric ball valve through the control cable; the high-pressure rubber pipe is provided with a plurality of nozzles which are uniformly arranged, and the high-pressure rubber pipe is connected with a water pipe in a fire fighting pipeline through an electric ball valve; and a mine flame-retardant cable is connected between the mine intrinsic safety type dust concentration sensor and the control box. The utility model is convenient for monitoring the dust concentration in the mine and automatically realizes the spraying dust-settling operation, improves the spraying dust-settling efficiency and has high sensitivity.
Description
Technical Field
The utility model relates to a mine dust-settling device, in particular to an automatic spraying dust-settling device with dust concentration detection and control functions.
Background
With the gradual improvement of the national requirements on the occupational health and safety of workers, the proportion of mine dust prevention in 'ventilation and prevention of dust' work is gradually enlarged. How to systematically treat mine dust becomes an unbearable problem in front of people. Especially, the comprehensive caving coal working face is adopted at present; transporting a trackless rubber-tyred vehicle; a long-distance inclined shaft belt coal conveying system; the super-huge modern mine with large air quantity and high wind speed in the main air inlet and return airway has large dust production quantity and increases great difficulty for preventing and controlling mine dust mostly at dust production points. Aiming at the current situation of large dust production, a large number of dustproof measures are adopted, the effect is not ideal, and according to statistics: the operating places where the total dust concentration and the exhaust dust concentration often exceed the standard are as follows: fully-mechanized mining working face, fully-mechanized excavating working face, belt transportation main lane, and auxiliary transportation lane respectively communicated with the belt transportation main lane.
Disclosure of Invention
In order to overcome the defects of the technical problems, the utility model provides an automatic spraying and dust falling device with dust concentration detection and control functions.
The utility model discloses an automatic spraying dust-settling device with dust concentration detection and control, which is characterized in that: the mining explosion-proof and intrinsic safety type direct-current power supply is used for supplying power to the control box; the mining intrinsic safety type dust concentration sensor is arranged in a mine and used for monitoring the dust concentration in the mine;
a control cable is connected between the control box and the electric ball valve, and the control box controls the opening and closing actions of the electric ball valve through the control cable; the high-pressure rubber pipe is provided with a plurality of nozzles which are uniformly arranged, and the high-pressure rubber pipe is connected with a water pipe in the fire-fighting pipeline through an electric ball valve;
a mine flame-retardant cable is connected between the mine intrinsic safety type dust concentration sensor and the control box, and the mine intrinsic safety type dust concentration sensor is used for monitoring dust concentration and transmitting data to the control box in real time through the mine flame-retardant cable.
Further, automatic spraying dust device be provided with first infrared pyroelectric sensor and second infrared pyroelectric sensor, first infrared pyroelectric sensor and second infrared pyroelectric sensor set up respectively in automatic spraying dust device's front and back both sides, first infrared pyroelectric sensor and second infrared pyroelectric sensor and the control box between all through wireless signal transmission instruction.
Further, the electric ball valves are arranged to be two, the electric ball valves are connected with a high-pressure rubber pipe and a nozzle, and the two electric ball valves are arranged on the left side and the right side of the roadway respectively.
Compared with the prior art, the utility model has the beneficial effects that:
(1) set up mining ann's type dust concentration sensor, control box and spraying dust device in the mine, be convenient for monitor the dust concentration in the mine and realize spraying dust fall operation automatically, improved spraying dust fall's efficiency, sensitivity is high.
(2) Automatic spraying dust device's front and back both sides set up first infrared pyroelectric sensor and second infrared pyroelectric sensor respectively, have realized the purpose of intelligence spraying dust fall, when the pedestrian passes through, avoid the passerby automatically, have avoided the passerby to be drenched by the water smoke that sprays.
Drawings
Fig. 1 is a schematic structural diagram of an automatic spraying and dust-settling device with dust concentration detection and control according to the present invention.
In the figure: the mining flame-proof and intrinsic safety type direct current power supply comprises a mining flame-proof and intrinsic safety type direct current power supply body 1, a mining flame-retardant cable body 2, a mining intrinsic safety type dust concentration sensor body 3, a nozzle 4, a high-pressure rubber pipe 5, a control box 6, an electric ball valve 7, a first infrared pyroelectric sensor 8 and a second infrared pyroelectric sensor 9.
Detailed Description
The utility model is further described with reference to the following figures and examples.
As shown in fig. 1, a schematic structural diagram of the automatic spraying and dust-settling device with dust concentration detection and control is provided, and the automatic spraying and dust-settling device with dust concentration detection and control comprises a mining explosion-proof and intrinsically safe direct-current power supply 1, a control box 6, a mining intrinsically safe dust concentration sensor 3, an electric ball valve 7, a high-voltage rubber tube 5 and a nozzle 4, wherein the mining explosion-proof and intrinsically safe direct-current power supply 1 is used for supplying power to the control box 6, the mining explosion-proof and intrinsically safe direct-current power supply 1 is externally connected with AC127V alternating current, and DC12V direct current is output to supply power to the control box 6. The mining intrinsic safety type dust concentration sensor 3 is arranged in a mine and used for monitoring the dust concentration in the mine.
A control cable is connected between the control box 6 and the electric ball valve 7, and the control box 6 controls the opening or closing action of the electric ball valve 7 through the control cable. The high-pressure rubber pipe 5 is provided with a plurality of nozzles 4 which are uniformly arranged, the high-pressure rubber pipe 5 is connected with a water pipe in a fire fighting pipeline through an electric ball valve 7, and the high-pressure rubber pipe 5 is arranged on a hydraulic support in a mine.
A mine flame-retardant cable 2 is connected between the mine intrinsic safety type dust concentration sensor 3 and the control box 6, the mine intrinsic safety type dust concentration sensor 3 is used for monitoring dust concentration and transmitting data to the control box 6 in real time through the mine flame-retardant cable 2, and the control box 6 is provided with a control system and used for receiving the data and sending instructions.
The control system is provided with a dust concentration threshold, when the mining intrinsic safety type dust concentration sensor 3 monitors that the dust concentration in a mine exceeds the set dust concentration threshold, the control box 6 controls the electric ball valve 7 to execute opening action, water in a water pipe of the fire pipeline flows through the high-pressure rubber pipe 5 through the electric ball valve 7 and is finally sprayed out through the nozzle 4, and therefore the purpose of spraying and dust reduction is achieved. When the mining intrinsic safety type dust concentration sensor 3 monitors that the dust concentration in the mine is smaller than a set dust threshold value, the control box 6 controls the electric ball valve 7 to execute a closing action, water flow cannot pass through the electric ball valve 7, and the nozzle 4 stops a spraying action.
Automatic spraying dust device is provided with first infrared pyroelectric sensor 8 and second infrared pyroelectric sensor 9, and first infrared pyroelectric sensor 8 and second infrared pyroelectric sensor 9 set up respectively in automatic spraying dust device's front and back both sides, all through wireless signal transmission instruction between first infrared pyroelectric sensor 8 and second infrared pyroelectric sensor 9 and the control box 6.
When automatic spraying dust device was spraying, when having one of them side entering automatic spraying dust fall region around automatic spraying device, first infrared pyroelectric sensor 8 or the infrared pyroelectric sensor 9 of second detected the pedestrian, sent wireless signal instruction to control box 6, and control box 6 receives pedestrian's signal and sends the instruction to electric ball valve 7, controls closing of electric ball valve 7, and nozzle 4 stops the spraying operation. After the pedestrian passes through automatic spraying dust device, when the pedestrian is detected again to second infrared pyroelectric sensor 9 or first infrared pyroelectric sensor 8, explain that the pedestrian leaves the automatic spraying dust fall region, send wireless signal instruction to control box 6, control box 6 receives pedestrian's signal and sends the instruction to electric ball valve 7, control opening of electric ball valve 7, and nozzle 4 continues the spraying operation.
Electric ball valve 7 sets up to two, and all is connected with high-pressure rubber pipe 5 and nozzle 4, and two electric ball valve 7 set up respectively in the left and right sides in the tunnel, have guaranteed that the water smoke sprays evenly, have increaseed the spraying scope, have improved the efficiency of spraying dust fall.
Claims (3)
1. The utility model provides an automatic spraying dust device with dust concentration detects and control which characterized in that: the mining explosion-proof and intrinsic safety type direct-current power supply is used for supplying power to the control box; the mining intrinsic safety type dust concentration sensor is arranged in a mine and used for monitoring the dust concentration in the mine;
a control cable is connected between the control box and the electric ball valve, and the control box controls the opening and closing actions of the electric ball valve through the control cable; the high-pressure rubber pipe is provided with a plurality of nozzles which are uniformly arranged, and the high-pressure rubber pipe is connected with a water pipe in the fire-fighting pipeline through an electric ball valve;
a mine flame-retardant cable (2) is connected between the mine intrinsic safety type dust concentration sensor and the control box, and the mine intrinsic safety type dust concentration sensor is used for monitoring dust concentration and transmitting data to the control box in real time through the mine flame-retardant cable.
2. The automatic spraying and dust-settling device with dust concentration detection and control of claim 1, characterized in that: automatic spraying dust device be provided with first infrared pyroelectric sensor (8) and second infrared pyroelectric sensor (9), first infrared pyroelectric sensor and second infrared pyroelectric sensor set up respectively in automatic spraying dust device's front and back both sides, first infrared pyroelectric sensor and second infrared pyroelectric sensor and the control box between all through wireless signal transmission instruction.
3. The automatic spraying and dust-settling device with dust concentration detection and control of claim 1, characterized in that: the electric ball valves are arranged into two parts and are connected with a high-pressure rubber pipe and a nozzle, and the two electric ball valves are arranged on the left side and the right side in a roadway respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220582503.4U CN216866769U (en) | 2022-03-17 | 2022-03-17 | Automatic spraying dust-settling device with dust concentration detection and control functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220582503.4U CN216866769U (en) | 2022-03-17 | 2022-03-17 | Automatic spraying dust-settling device with dust concentration detection and control functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216866769U true CN216866769U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220582503.4U Active CN216866769U (en) | 2022-03-17 | 2022-03-17 | Automatic spraying dust-settling device with dust concentration detection and control functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216866769U (en) |
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2022
- 2022-03-17 CN CN202220582503.4U patent/CN216866769U/en active Active
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