Particularity of pillar mining in mining
In addition, when returning to the mining room, it is difficult to ensure that the boundary of the pillar is straight, and the understanding of the outline of the pillar is unclear. When returning to the mining column, most of the original tunnel is used to arrange the blasthole, and sometimes it can only be used for the hole. Blasting (unlike holes make the distribution of explosives uneven), resulting in poor quality of ore deposits, large ore.
A pressure vessel is a vessel that can withstand high pressures and is commonly used for storing, transporting, and processing various gases, liquids, and gaseous liquid mixtures. The pressure vessel is mainly composed of vessel body, flange, seal, support and accessories. Common pressure vessels are gas cylinder, gas storage tank, distillation tower, reactor and so on.
The design and manufacture of pressure vessels must comply with relevant national standards and specifications, and pass strict inspection and testing to ensure their safety and reliability. During use, you must comply with the operation regulations and safety precautions, and periodically check and maintain the device to ensure its normal operation and safe use.
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