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一、作用与意义: 锚网支护是一种新技术,这几年在煤矿上的应用逐渐推广。钱家营矿业公司自九十年代初采用锚网支护新技术以来,年用量逐年增加。一九九七年,单就缝管锚杆就投入了六万多套。但是由于我矿没有缝管锚杆的生产设备,社会上也没有生产该种设备的厂家,所以,我矿使用的缝管锚杆均为外购,每套(含托盘)价格为22.80元,若按每年投入十万套计算,就需二百多万元。这对我公司降低原煤成本增强市场竞争力是一个不利因素。而当时我们机电加
First, the role and significance: Anchor net support is a new technology, in recent years, the application of the gradual promotion of coal mines. Qianjiaying mining company since the early nineties the use of anchor net support new technology, the annual increase in use. In 1997, more than 60,000 sets of slit pipe anchor bolts were put into operation. However, since there is no production equipment for seam anchors in our mine and there is no manufacturer of such equipment in the society, the seam pipe anchors used in mine are all outsourced. The price per set (including pallets) is RMB 22.80, If the annual investment of 100,000 sets of calculations, you need more than 2 million yuan. This is my company to reduce the cost of raw materials to enhance market competitiveness is a disadvantage. At that time, we added electromechanical