CN-115788426-B - High-pressure atomization closed dust control device for cutting dust source of continuous miner

Abstract

The invention belongs to the technical field of coal mine dust treatment, and discloses a high-pressure atomization closed dust control device for a continuous miner cutting dust source, which comprises a continuous miner water supply pipeline pressurizing assembly, wherein the continuous miner water supply pipeline pressurizing assembly is connected with an external spray assembly of the continuous miner cutting dust source through a spray pump outlet pipeline, the external spray assembly of the continuous miner cutting dust source comprises an external spray dust control firmware, an adjustable ball head is detachably connected in a spray opening at the end face of the external spray dust control firmware, a fan-shaped atomizing nozzle or a wide-angle mixed nozzle is detachably connected on the adjustable ball head, and the fan-shaped atomizing nozzle and the wide-angle mixed nozzle are distributed in a staggered manner. The pressurizing assembly of the water supply pipeline of the continuous miner pressurizes water and supplies the pressurized water to the external spraying assembly of the cutting dust source of the continuous miner, high-pressure water controls dust fall on a cutting area through nozzles distributed in a staggered mode, an adjustable ball head is adjusted to adjust the spraying direction of the nozzles, and the nozzles are replaced and removed from the adjustable ball head, so that the nozzles are prevented from being detached to damage internal threads of a spraying device.

Inventors

• TANG MINGYUN
• GAO SHIQIANG
• YUAN YANAN
• HUANG CHAO
• WANG LELE
• YUAN LIANG
• JIANG BINGYOU
• CHEN QINGHUA
• HU ZUXIANG
• ZHOU LIANG
• QIU JINWEI
• LIN HANYI

Assignees

• 安徽理工大学

Dates

Publication Date

20260512

Application Date

20221216

Claims (9)

1. 1. The high-pressure atomization closed dust control device for the continuous miner cutting dust source comprises a continuous miner water supply pipeline pressurizing assembly (100), and is characterized in that the continuous miner water supply pipeline pressurizing assembly (100) is fixedly connected with the water inlet end of an external spraying assembly (300) for the continuous miner cutting dust source through a spraying pump outlet pipeline (6); The continuous miner cutting dust source external spray assembly (300) comprises an external spray dust control firmware (310), wherein a plurality of spray openings are formed in the end face of the external spray dust control firmware (310), an adjustable ball head (330) is detachably connected in each spray opening, a fan-shaped atomizing nozzle (320) or a wide-angle mixing nozzle (370) is detachably connected to the adjustable ball head (330), and the fan-shaped atomizing nozzles (320) and the wide-angle mixing nozzles (370) are distributed in a staggered mode; The spray shape of the fan-shaped atomizing nozzle (320) is a fan-shaped spray surface, and the spray area is linear; the wide-angle mixed nozzle (370) is internally provided with a cyclone core, the spray shape is solid conical spray, and the spray area is circular; The continuous miner water supply pipeline supercharging assembly (100) is composed of a spray pump (110), a motor (120) and an electronic control module (130), wherein the spray pump (110), the motor (120) and the electronic control module (130) are fixedly connected to a platform (1), and the platform (1) is erected at the upper end of a belt (2) at the tail of a tunneling face belt conveyor.
2. 2. The continuous miner cutting dust source high-pressure atomization closed dust control device according to claim 1, wherein an output end of the motor (120) is connected with the spray pump (110), and the electric control module (130) is electrically connected with the motor (120).
3. 3. The continuous miner cutting dust source high-pressure atomization closed dust control device according to claim 2, wherein the water inlet end of the spray pump (110) is fixedly connected with a spray pump water inlet pipeline (3), the water inlet end of the spray pump water inlet pipeline (3) is fixedly connected with a filter (4), and the water inlet end of the filter (4) is fixedly connected with a tunneling surface water supply pipeline (5).
4. 4. The continuous miner cutting dust source high-pressure atomization closed dust control device according to claim 2, wherein the water outlet end of the spray pump (110) is fixedly connected with the spray pump water outlet pipeline (6).
5. 5. The continuous miner cutting dust source high-pressure atomization closed dust control device according to claim 2, wherein a spray pump overflow pipeline (7) is fixedly connected to the spray pump (110), and the other end of the spray pump overflow pipeline (7) is fixedly connected with a tunneling surface drainage pipeline (8).
6. 6. The continuous miner cutting dust source high-pressure atomization closed dust control device according to claim 4, wherein the external spray dust control firmware (310) is further provided with a water inlet (340) and a drain outlet (350).
7. 7. The continuous miner cutting dust source high-pressure atomization closed dust control device according to claim 6, wherein the spray pump outlet pipeline (6) is fixedly connected with the water inlet end of the continuous miner motor cooling module (9), and the water outlet end of the continuous miner motor cooling module (9) is fixedly connected with the water inlet (340) on the external spray dust control firmware (310) through a pipeline.
8. 8. The continuous miner cutting dust source high-pressure atomization closed dust control device according to claim 1, wherein the external spray dust control firmware (310) is fixedly connected to the upper end, the two sides and the lower end of the continuous miner cutting part (360) respectively.
9. 9. The continuous miner cutting dust source high-pressure atomization closed dust control device according to claim 1, wherein a plurality of spray nozzles are arranged on the end face of the external spray dust control firmware (310), the spray nozzles are distributed in a staggered mode, one fan-shaped atomization nozzle (320) or one wide-angle mixed nozzle (370) is arranged in each spray nozzle, and the fan-shaped atomization nozzles (320) and the wide-angle mixed nozzles (370) are distributed in a staggered mode and are respectively arranged in the corresponding spray nozzles.

Description

High-pressure atomization closed dust control device for cutting dust source of continuous miner Technical Field The invention belongs to the technical field of coal mine dust treatment, and particularly relates to a high-pressure atomization closed dust control device for a cutting dust source of a continuous miner. Background The continuous miner is a comprehensive tunneling and coal mining device integrating cutting, walking, transferring, spraying and dust suppression. The continuous miner comprises a cutting part, a loading part, a walking part, a hydraulic system, an electric system, a cooling spray dust removing device, a safety protection device and the like. The production process of continuous mining face 'dropping, loading, transporting and supporting' is completed by continuous miner and post-supporting equipment, and generally adopts a construction method of alternately and completely entering two parallel channels and connecting roadways. Dust fall of a tunneling working face plays an important role in the field of underground coal mine dust removal. With the proposal of green and safe production of coal mines, the problem of how to improve dust fall of a tunneling working face is also greatly concerned. Therefore, dust on the driving face of the continuous miner needs to be reduced. The dust fall of the tunneling working face needs to be provided with an external spray dust control device, the external spray dust control device is communicated with a ground water source, and because the tunneling working face water source is derived from static pressure water supply on the ground, the external spray tail end water pressure on the continuous mining machine is smaller, and the pressure requirement of the airborne external spray dust control device cannot be met, so that the water pressure of the external spray dust control device needs to be considered for pressurization. Meanwhile, a nozzle is arranged on the external spray dust control device of the continuous miner tunneling working face, and the nozzle is frequently disassembled, so that the internal threads of a part of the female head of the external spray device are easily ground or corroded, and the pressure-resistant grade is greatly reduced. Therefore, the high-pressure atomization closed dust control device for the continuous miner cutting dust source is provided. Disclosure of Invention Aiming at the defects of the prior art, the invention aims to provide the high-pressure atomization closed dust control device for the cutting dust source of the continuous miner, which solves the problems that in the prior art, the tunneling working face of the continuous miner is used for dust fall, the spraying water pressure is pressurized, and the internal threads of part of the female head of the external spraying device are prevented from being ground flat or rusted. The aim of the invention can be achieved by the following technical scheme: the utility model provides a continuous miner cutting dust source high pressure atomizing seals accuse dust device, includes continuous miner water supply line pressure boost subassembly, continuous miner water supply line pressure boost subassembly passes through spraying pump outlet pipe way and continuous miner cutting dust source outer spraying subassembly water inlet end fixed connection. The outer spray assembly of continuous miner cutting dust source includes outer spray accuse dust fall firmware, the terminal surface of outer spray accuse dust fall firmware is crisscross to be equipped with the nozzle, can dismantle in the nozzle and be connected with adjustable bulb, can dismantle on the adjustable bulb and connect fan-shaped atomizing nozzle or wide-angle hybrid nozzle, fan-shaped atomizing nozzle with wide-angle hybrid nozzle is crisscross to be distributed. The technical scheme has the principle and technical effects that: The pressurized assembly of the water supply pipeline of the continuous miner supplies water from static pressure on the ground through pressurization, the pressurized water source is supplied to the external spraying assembly of the cutting dust source of the continuous miner through the water outlet pipeline of the spraying pump, high-pressure water seals and wraps dust in a cutting area through the fan-shaped atomizing nozzle, dust in the cutting area is captured and settled through the wide-angle mixing nozzle, and dust falling can be controlled more effectively through the fan-shaped atomizing nozzle and the wide-angle mixing nozzle in a staggered mode. Meanwhile, the adjustable ball head is adjusted, the optimal nozzle injection direction is found, and dust generated in the tunneling process of the continuous miner can be more effectively sealed, wrapped and settled. If the nozzle needs to be replaced, the nozzle is only required to be detached from the adjustable ball head, and the adjustable ball head does not need to be detached, so that the problem that the internal