Mining downhole dust collection device

The invention discloses a mining downhole dust collection device. The mining downhole dust collection device comprises a valve seat, a valve body mounted on the valve seat, an acting assembly mountedin the valve body, a membrane mat assembly mounted between the valve seat and the valve body to block...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHANG RUI, LI HUI, XUE YONG, JI SUYIN, JI JUNZHANG, WANG WANJI, PU SHENSHEN, ZHANG YINGCHUN, WANG YONG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses a mining downhole dust collection device. The mining downhole dust collection device comprises a valve seat, a valve body mounted on the valve seat, an acting assembly mountedin the valve body, a membrane mat assembly mounted between the valve seat and the valve body to block a valve seat water inlet and outlet channel and a pressure relief water channel assembly formed between the valve body and the valve seat. In a working state, the acting assembly drives the pressure relief water channel assembly to work. A water channel from the water inlet end and the water outlet end is formed between the valve seat and the valve body. The pressure of part of water is relieved, the membrane mat assembly acts, the blocked valve seat water inlet and outlet channel is released,and a great amount of water flows out through the channel. In a non-acting state, the acting assembly does not act, the pressure relief water channel assembly is in a closed state, and the membrane mat assembly is pressurized