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我矿现有三对井口,均属极薄煤层,高沼气矿井。20年前,曾发生过因电火花造成瓦斯爆炸的重大恶性事故。为了认真吸取血的教训,这些年来,我们十分注意井下电气设备的防爆工作。归纳起来,主要抓了以下十个方面的工作:1、对井下新采区,在矿生产科进行采区设计的同时,由机电科进行供电设计。根据负荷大小和设备的布置,进行详细的整定计算,绘制供电系统图,编制没备、缆线、器材明细表,由供应部门按设计组织货源,
My mine has three pairs of wellheads, are extremely thin coal seam, high biogas mine. Twenty years ago, a major malignant explosion that caused a gas explosion by sparks occurred. In order to conscientiously learn the lessons of blood, over the years, we pay great attention explosion-proof electrical equipment underground. To sum up, it mainly focuses on the following ten aspects: 1. For the new underground mining area, while designing the mining area in the mine production department, the power supply design is carried out by the Electromechanical Branch. According to the size of the load and the layout of the equipment, detailed tuning calculations, drawing power supply system diagram, preparation of equipment, cables, equipment list, organized by the supply department according to design supply,