CN-121976801-A - Disrotatory telescopic TADA atomization spraying dust settling device for coal mine stope face

CN121976801ACN 121976801 ACN121976801 ACN 121976801ACN-121976801-A

Abstract

The invention discloses a disrotatory telescopic TADA atomization injection dust fall device of a coal mine stoping face, which relates to the technical field of underground dust prevention of coal mines and comprises two atomization injectors and a coal mining machine, wherein the coal mining machine comprises a coal mining machine body, and rocker arms are symmetrically arranged on two sides of the coal mining machine body; the two atomizing ejectors bottom rotates to be connected with the support, and the below of support is provided with the base, and the through-hole has been seted up to the intermediate position department of base, is provided with rotation mechanism in the through-hole, rotation mechanism and support fixed connection are provided with every single move mechanism between support and the atomizing ejector. The rotary telescopic TADA atomization spraying dust settling device for the coal mine stoping working face has the advantages that the rotary impeller mechanism enables the spraying port to spray high-speed jet and the plurality of nozzles arranged at the inner ring and the outer ring to spray high-speed water flow to effectively settle dust, the rotary mechanism and the pitching mechanism achieve the direction adjustment of the atomization sprayer, the omnibearing dust settling is carried out, and the dust settling effect is greatly improved.

Inventors

FU HONGWEI
Jia Qiru
He hongru
HAN PENGFEI
LI QUANZHONG
ZHAO CHEN
ZHAO JIANGWEI
YUAN BOTAO
YANG JIAXIN

Assignees

山西工程技术学院

Dates

Publication Date: 20260505
Application Date: 20240111

Claims (10)

1. The telescopic TADA atomization spraying dust settling device for the coal mine stoping face is characterized by comprising two atomization sprayers and a coal mining machine, wherein the coal mining machine comprises a coal mining machine body, rocker arms are symmetrically arranged on two sides of the coal mining machine body, the top of each rocker arm is connected with a roller, and a plurality of inner spray nozzles are arranged on the periphery of the roller; Two atomizing sprayer bottoms rotate and are connected with the support, the below of support is provided with the base, the through-hole has been seted up to the intermediate position department of base, be provided with slewing mechanism in the through-hole, slewing mechanism with support fixed connection, the support with be provided with every single move mechanism between the atomizing sprayer.
2. The telescopic TADA atomization injection dust settling device for the coal mine stope face is characterized in that an injection head is arranged at the front end of the atomization injector, two telescopic rods are symmetrically arranged between the injection head and the atomization injector, and the two telescopic rods are respectively connected with one of the two driving motors.
3. The telescopic TADA atomization injection dust settling device for the coal mine stope face is characterized in that an injection port is arranged in the middle of the injection head, an inner ring air supply pipe, an inner ring water supply pipe, an outer ring air supply pipe and an outer ring water supply pipe are arranged around the injection port from inside to outside, and the inner ring air supply pipe, the inner ring water supply pipe, the outer ring air supply pipe and the outer ring water supply pipe are all of annular structures.
4. The telescopic TADA atomization spraying dust settling device for the coal mine stope face is characterized in that a plurality of inner ring nozzles are arranged on the inner ring air supply pipe, the side ends of the inner ring nozzles are communicated with the inner ring water supply pipe, a plurality of first outer ring nozzles and second outer ring nozzles are arranged on the outer ring air supply pipe, and the side ends of the second outer ring nozzles and the first outer ring nozzles are communicated with the outer ring water supply pipe.
5. The telescopic TADA atomization spraying dust settling device for the coal mine stope face is characterized in that a plurality of inner ring nozzles are arranged inwards, a plurality of first outer ring nozzles are arranged inwards, a plurality of second outer ring nozzles are arranged inwards, and a plurality of second outer ring nozzles and a plurality of first outer ring nozzles are alternately arranged.
6. The telescopic TADA atomization spraying dust settling device for the coal mine stope face is characterized in that the inner ring nozzle, the first outer ring nozzle and the second outer ring nozzle comprise nozzle shells, an air inlet is formed in one end of each nozzle shell, a nozzle outlet is formed in the other end of each nozzle shell, a water inlet is formed in the upper portion of each nozzle shell, a flow guide pipe is arranged in each nozzle shell, and a resonant cavity is formed in the outer portion of each flow guide pipe.
7. The telescopic TADA atomization injection dust settling device for the coal mine stope face is characterized in that a disrotatory impeller mechanism is arranged in the atomization injector, the disrotatory impeller mechanism is arranged below the injection head and comprises a primary motor, a primary impeller is connected to the primary motor, a secondary impeller is arranged on one side of the primary impeller, and the secondary impeller is connected to the secondary motor.
8. The telescopic TADA atomization spraying dust settling device for the coal mine stope face is characterized in that the slewing mechanism comprises a slewing bearing arranged in the through hole, a turntable is arranged in the middle of the slewing bearing, the upper side of the turntable is fixedly connected with the connecting support, a second driving motor is arranged below the turntable, and an output shaft of the second driving motor is fixedly connected with the turntable.
9. The telescopic TADA atomization spraying dust settling device for the stope face of the coal mine of claim 8, wherein the pitching mechanism comprises an electric push rod, one end of the electric push rod is fixed at the middle position of the connecting support, and the other end of the electric push rod is fixed on the atomization sprayer.
10. The telescopic TADA atomization spraying dust settling device for the coal mine stope face is characterized in that the first driving motor is fixedly arranged on the atomization sprayer, and the second driving motor is arranged in the coal mining machine body.

Description

Disrotatory telescopic TADA atomization spraying dust settling device for coal mine stope face Technical Field The invention relates to the technical field of underground dust prevention of coal mines, in particular to a disrotatory telescopic TADA atomization spraying dust settling device for a stope face of a coal mine. Background Coal dust is one of five disasters of coal mines, is the root cause of pneumoconiosis of miners, has a death rate of 22.04% in the coal industry, and has a death rate far greater than coal mine production safety accidents. Along with the national requirements on the intellectualization and the greenization of coal mines, the obsolete technology, the obsolete equipment and the obsolete technology which can cause occupational diseases are greatly pushed to clean the production technology, develop key technology and equipment for preventing and controlling the occupational diseases, reduce the dust concentration of the working environment and strengthen the individual protection supervision and inspection of underground operators. At present, although the dust prevention methods of underground stoping working surfaces of coal mines at home and abroad achieve a certain dust reduction effect, the methods have certain technical or use defects and are not accepted by field workers. The method for lowering dust on the stoping working face generally adopts an inner spraying device and an outer spraying device of the coal mining machine, but the problems that nozzles are easy to block or crush, the spraying installation position is improper and the like generally exist, the dust lowering effect is poor, the rule requirements are difficult to reach, the difference is quite great, and the inner spraying device can not be used continuously after a new coal mining machine is used for about half a year. The other method is to fill coal seam with water, which is a method of injecting pressure water into coal seam by drilling deep hole before coal exploitation, and has high water consumption, increased water content of coal, water content up to 4% or more, reduced coal price, reduced economic benefit of coal enterprise, high cost of deep hole injection, difficult drilling, limited applicable condition, and the following coal seam can not be applied (1) surrounding rock has serious water absorption expansion property, easy to cause roof collapse or bottom plate deformation after water injection, or complicated geological condition, serious roof damage, coal seam affecting coal mining safety after water injection, (2) thin coal seam affecting coal mining safety or causing work condition deterioration after water injection, (3) coal seam with original natural water content or water content greater than 4% after fire prevention grouting, (4) coal seam with porosity less than 4%, 5) coal seam with very soft, broken, easy hole collapse and difficult hole formation when drilling, (6) coal seam group or layered mining method is adopted, and upper layer or lower layer mining is adopted when the dust-proof measure is adopted. Under the severe situation and the urgent need, based on the thought principle of taking the person as a basis, caring the life, starting from the source and preventing dust lungs, the invention provides a rotary telescopic TADA atomization spraying dust settling device for a coal mine stope face, which solves the dust pollution problem of stope flour and has important practical significance. Disclosure of Invention The invention aims to provide a telescopic TADA atomization spraying dust settling device for a coal mine stope face, which solves the problem that the existing dust settling device is poor in dust settling effect. In order to achieve the aim, the invention provides a telescopic TADA atomization spraying dust device for a coal mine stoping face, which comprises two atomization sprayers and a coal mining machine, wherein the coal mining machine comprises a coal mining machine body, rocker arms are symmetrically arranged on two sides of the coal mining machine body, the top of each rocker arm is connected with a roller, and a plurality of inner spray nozzles are arranged on the periphery of the roller; Two atomizing sprayer bottoms rotate and are connected with the support, the below of support is provided with the base, the through-hole has been seted up to the intermediate position department of base, be provided with slewing mechanism in the through-hole, slewing mechanism with support fixed connection, the support with be provided with every single move mechanism between the atomizing sprayer. Preferably, the front end of the atomizing injector is provided with an injection head, two telescopic rods are symmetrically arranged between the injection head and the atomizing injector, and the two telescopic rods are respectively connected with one of the two driving motors. Preferably, the middle position of the injection head is provided with an injection port, an inner rin