Automatic measuring device for liquid level of reverse drainage tank of coal seam drainage and production well

The utility model provides an automatic liquid level measuring device for a reverse drainage tank of a coal seam drainage well. The automatic liquid level measuring device comprises a floating ball, a fixed pulley block, a plumb bob and a liquid level ruler, the floating ball penetrates through the...

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Bibliographic Details
Main Authors TANG YONGGAN, CHEN BENLIANG, JIA SHENGFENG
Format Patent
LanguageChinese
English
Published 22.08.2023
Subjects
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