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我国煤矿目前还在大量使用五、六十年代的老旧水泵,如:SSM、A、TSW、DA型等,这些水泵的设计效率仅64～72％,使用中由于种种原因,实际运行效率很低,电耗高,能源浪费很大。近年来,我国生产的D型泵发展很快,其中200D43型水泵的设计效率已达80％。根据国务院关于对现有企业有重点、有步骤地进行技术改造的决定精神,不少煤矿采用D型泵更新老旧水泵,提高排水效率。据不完全统计,目前全国统配煤矿已采用各种高效水泵近二千台,占应更新水泵台数的60％。更
At present, coal mines in our country still make extensive use of old pumps in the 1950s and 1960s such as SSM, A, TSW, DA, etc. The design efficiency of these pumps is only 64-72%. Due to various reasons, the actual operation efficiency is very high Low, high power consumption, a great waste of energy. In recent years, China's production of D-pump developed rapidly, of which 200D43-type pump design efficiency has reached 80%. According to the State Council's decision on the key and step-by-step technological transformation of existing enterprises, many coal mines use D-type pumps to renew old pumps to improve drainage efficiency. According to incomplete statistics, at present coal mines around the country have adopted nearly 200 sets of various efficient pumps, accounting for 60% of the total number of pumps to be updated. more