论文部分内容阅读
一、前言双河煤矿九井,属极薄煤层,高沼气矿井。中央边界式通风,一个出风井。装设BY—18~#和2BY—18~#风机各一台,分别配有JR126—6—155kW电动机,PM16760A型油浸起动器。该井主扇机房,位于矿本部附近,距职工家属区和矿医院都不远。风机运行产生的噪声,长年累月吼叫不停,除直接危害操作工人外,也严重影响矿区职工、家属、伤病员和部分居民的正常工作、休息。广大职工、家属曾多次强烈要求采取降噪措施,使
I. Introduction Shuanghe coal mine is a very thin coal seam, high methane gas mine. Central boundary ventilation, an air shaft. Equipped with BY-18 ~ # and 2BY-18 ~ # fans each with a JR126-6-155kW motor, PM16760A oil-immersed starter. The fan main fan room, located near the mine headquarters, not far from the workers’ families and mining hospitals. The noise generated by the operation of the fan kept roaring for many years. In addition to directly endangering the operation of workers, it also seriously affected the normal work of staff and workers, family members, sick and wounded and some residents in the mining area and rested. The broad masses of workers and family members have on many occasions strongly demanded that noise reduction measures be taken so that