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一都厂分队在坑內作业以来,一直是採用湿式凿眼。但由于所选擇的水箱容积过小(80公升)一般凿眼供水量在1kg/分种以下,致使坑內空气含尘量很高。同时每班裝水所占时間約为純凿眼时間的5～15％,这就使掘进效率减低。为了保証国务院“坑內空气含尘量不大于2毫克/m~3”的指示和提高凿岩效率,在生产大跃进中。职工們以巧干实干的精神,开展技术革新,針对上述存在的問題,提出了自然压力水湿式凿眼的合理化建議,並在领导的大力支持下付諸实踐。
A plant factory operations in the pit since, has been using wet chisel. However, due to the selected tank volume is too small (80 liters) generally chisel the water supply in 1kg / sub-species, resulting in a high amount of dust in the air inside the pit. At the same time, each class takes about 5 ~ 15% of the time of pure drilling, which reduces the efficiency of driving. In order to ensure that the State Council “pits in the air dust content of not more than 2 mg / m ~ 3” instructions and improve drilling efficiency in the production of the Great Leap Forward. In the spirit of skillfulness and hard work, the workers carried out technological innovations. In response to the above problems, they put forward rationalized suggestions on water-pressured water-cut eyes under natural pressure and put them into practice with the support of leaders.