Mining paste filling bag

The utility model aims to overcome the defects in the existing paste filling coal mining technology. The utility model relates to a filling bag, and provides a mining paste filling bag which can prevent filling slurry from overflowing and can quickly filter and recover excessive moisture, so that th...

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Bibliographic Details
Main Authors SUN CHUNDONG, LU ZHIMIN, YANG HONGZENG, QIN DAJIAN
Format Patent
LanguageChinese
English
Published 16.06.2020
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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Summary:The utility model aims to overcome the defects in the existing paste filling coal mining technology. The utility model relates to a filling bag, and provides a mining paste filling bag which can prevent filling slurry from overflowing and can quickly filter and recover excessive moisture, so that the solidification time of a filling body is shortened, and the filling coal mining efficiency is improved. The mining paste filling bag comprises a filling bag body formed by sewing high-strength composite plastic woven cloth and high-strength quick-seepage filter cloth, a feeding pipe opening and anexhaust opening are formed in the two sides of the top of the filling bag body respectively, and a check valve is arranged in the feeding pipe opening. Wherein the high-strength quick-seepage filtercloth is sewn at the upper half part of the filling bag body, the bottom edge of the high-strength quick-seepage filter cloth is an inclined edge, a coating part is arranged outside the high-strengthquick-seepage filter cloth,
Bibliography:Application Number: CN201921431975U