Mine sump dredging method and device

• Main Authors: WANG ZHIJUN, MENG PENGKE, WEI TAO, YANG CHANGJUN, WANG ZHANJUN, TANG YI, ZHU JIANWEI, SHA LEI, MENG HONGWEI
• Format: Patent
• Language: Chinese; English
• Published: 29.01.2021
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The invention relates to a dredging method and device, and in particular to a mine sump dredging method and device. The mine sump dredging method comprises the following steps that A, a material conveying pipeline is installed in a gate road of a fully mechanized coal mining face; B, when a working face starts stoping, dredging is conducted through bin cleaning equipment; C, sludge is conveyed; and D, clear water obtained after slurry entering a goaf is precipitated enters a main water sump through a drainage roadway and is conveyed to a ground mine water treatment station through main water sump drainage equipment. The invention further relates to a mine sump dredging device. The mine sump dredging device comprises a sump and the material conveying pipeline and is characterized in that one end of the material conveying pipeline is connected with the sump, the other end of the material conveying pipeline leads to the goaf of the working face, a tee joint is installed on the material conveying pipeline, and op