Crab-claw type filling device for filling slag into mine blast holes
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ANSTEEL GRP MINING CO LTD
- Publication Date
- 2012-10-03
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Abstract
Description
technical field
[0001] The invention belongs to the technical field of blast hole filling for mine blasting, and in particular relates to a crab-claw type packing device used for filling slag in mine blast holes. Background technique
[0002] Open-pit mining must carry out blasting work. The blasting process includes perforation operations. Generally, the depth of mine perforation is 15-20mm, and the diameter of the blast hole is 250-310mm; After the equipment is installed, it is necessary to fill the blast hole, and the filling height is generally 5-10m. At present, there are mainly two types of blasthole filling: manual filling and mechanical filling. Most mines still use manual filling operations. Since a blasting area often needs to fill dozens to hundreds of blastholes, manual work is labor-intensive and labor-inefficient. Mechanical packing includes: shovel packing machine, car packing and rake device packing machine to carry out blast hole packing operations. The di...