Novel foam dust removal device for coal mining heading face

Abstract

The invention provides a novel foam dust removal device for a coal mining heading face. The novel foam dust removal device mainly comprises a water injection system, a gas transmission system and a mixing section; a main device comprises a liquid storage tank, an operation module, a mixing foam maker and the like, and further comprises metering devices such as a wind pressure gauge, a water pressure gauge and a liquid level meter, filtering devices such as a triple piece, a gas-water separator and the like, adjusting devices such as a ball valve and a needle valve; and all the other parts except a spray head are installed in one box body, so that the occupied space is small, and the spray head can be directly arranged on a heading machine. Wind pressure is introduced through a special foamgenerating device to generate high-expansion foam, the high-expansion foam is connected to an inner spraying system and an outer spraying system of the heading machine, and the foam acts on dust through interception, collision, diffusion, adhesion and the like, so that the dust concentration is effectively reduced; and therefore, the device has the characteristics of being high in dust suppression efficiency, low in dust suppression cost, small in size, convenient to move and low in working labor intensity, improving the environment of the mining working face and preventing secondary pollution to water.

Description

technical field [0001] The invention relates to the field of mine equipment, in particular to a novel foam dust removal device for a coal mining excavation face. Background technique [0002] Coal mine dust is one of the main disasters that threaten the life safety of miners; pneumoconiosis caused by coal dust is the most serious occupational disease in the coal industry, which not only seriously threatens the health and life safety of miners, but also affects the image of the coal industry; coal mine dust can also An explosion occurred, causing casualties, destroying the underground roadway and the normal ventilation system, causing great harm. [0003] At present, domestic coal mine flour dust control technologies mainly include spray dust reduction and dust collector dust removal; in spray dust reduction, internal spray and external spray dust are widely used; taking roadheaders as an example, the internal spray system of the machine has a short service life due to the ro...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of low dust suppression efficiency of the dust removal device, high cost of dust suppression, poor environment of the mining face, secondary water pollution of dust removal, bulky device, inconvenient movement, poor adaptability, and high labor intensity.

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