Fault-free drag and suction device for coal face
A non-failure rake and coal mine technology, applied to pump devices, components of pumping devices for elastic fluids, non-variable pumps, etc., can solve problems such as pump blockage or damage, wastewater cannot be discharged, and production inconvenience , to achieve the effect of prolonging the service life, reducing the risk of use, and simple and convenient maintenance
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[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0020] The purpose of the present invention is to provide a trouble-free trailing suction device for coal mining face to solve the problems in the prior art, which can effectively discharge waste water containing impurities in the coal mining face area, and has a compact structure and convenient use.
[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, t...
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