Device and method for quickly eliminating instantaneous smoke and dust in underground coal mine blasting operation space

By designing a quick smoke removal device for the underground blasting operation space of coal mines, using negative pressure injection, multi-stage negative pressure vacuum absorption and high-pressure wet spraying technology, the problem of difficulty in removing smoke and dust generated by underground blasting operation of coal mines is solved, and rapid and effective smoke and dust removal is achieved, reducing health and safety hazards.

CN111167225BActive Publication Date: 2025-04-18CHINA COAL TECH & ENG GRP SHENYANG ENG CO
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Patent Information

Application Number
CN202010153534.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-03-06
Publication Date
2025-04-18
Estimated Expiration
2040-03-06

AI Technical Summary

Technical Problem

The smoke and dust generated by underground blasting operations of coal mines are difficult to effectively remove, resulting in health hazards for miners and equipment safety hazards. Prior art such as ventilation system management and spray dust reduction have secondary hazards and complex operation problems.

Method used

A rapid device for instantaneous smoke and dust elimination in underground blasting operation space of coal mines is designed, including downhole pressure air ducts, negative pressure induction devices, multi-stage negative pressure vacuum cleaner devices and high-pressure wet spraying devices. The negative pressure induction device forms a high negative pressure environment, and drives a multi-stage negative pressure vacuum cleaner and a high-pressure wet spray device to achieve separation and removal of smoke and dust.

Benefits of technology

The device can quickly and effectively remove smoke and dust generated by underground blasting operations, reduce the health hazards of miners, avoid equipment safety hazards, and is simple to operate and high safety. It is suitable for industrial production and promotion applications.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The present invention provides a device for quickly eliminating instantaneous smoke and dust in underground blasting operation space of coal mines and a method for using the device. The device includes underground compressed air pipeline, negative pressure ejection device, multi-stage negative pressure dust suction device and high pressure wet spray device. First, high pressure gas enters the negative pressure ejection device, and a high negative pressure environment is formed in the negative pressure ejection chamber; the negative pressure power is used to roll up the smoke and dust through the multi-stage negative pressure dust suction device, and separation is implemented; the smoke after dust removal is mixed with high pressure gas and enters the high pressure wet spray device, and the toxic and harmful smoke is absorbed by the organic active agent, and the wet gas formed by the combination of clean gas and organic active agent is sprayed into the underground blasting operation space to implement further dust removal. The device in the present invention is small in size, easy to move, simple to operate, can realize industrialized production, and has strong on-site practicality; the present invention has the multi-stage linkage smoke and dust elimination functions of negative pressure absorbing dust, organic active agent dissolving smoke and high pressure humidification and dust reduction, high efficiency, good effect, and low cost and fast speed effective treatment.
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