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药壶爆破是我队提高手掘浅井队班效率的主要方法,为充分发挥药壶爆破的作用,我队又将方井改为圆井,使效率提高了30%。在圆井支护上也作了改进,除用圆木框支护外,又利用废钻杆制作了金属支护(用42公厘废钻杆加热后制成)。同时在打眼工作中根据岩石硬度不同选用各种钎型及推行多井口作业等,也都对提高队班效率起了很大作用。现分别介绍如下:
The blasting of the medicine pot is the main method used by our team to improve the efficiency of hand-digging the well crew. In order to give full play to the blasting effect of the pot, our team changed the square well to a round well to increase the efficiency by 30%. In the round well support also made improvements, except with the round wooden frame support, but also the use of waste drill pipe made of metal support (with 42 mm waste drill pipe heating made). At the same time in the drilling work in accordance with the different hardness of the rock selection of a variety of solder type and the implementation of multi-wellhead operations, but also to improve team efficiency has played a significant role. Now introduced as follows: