Abstract:

Aimming at high running status lasted many years and severe domestic and international coal market situation, through analyzing the data in manufacturing execution system and the diagnostic conclusion about Shendong group and Shangwan coal mine from McKinsey, Shangwan coal mine put forward the basic connotation and implementing idea of lean management system combining with the actual situation. On this basis, through fostering the typical lean culture, optimizing the operating process on production field, introducing the key performance indicator accepted internationally and using the affordable new technology, in 2012, the fully mechanized equipment operating efficiency and production capacity promoted 8.51% and 10.5% respectively, the continuous mining production time increased by 582h; the cost was effectively controlled, the electricity consumption on per ton of raw coal was reduced by ￥0.22, which ￥3,326,400 was saved on electricity bill while the production of raw coal was15.12 million tons in 2012; the number of employees was cut down, for example, the number of fleet’s authorized personnel and drainers reduced by 108 and 86 respectively, compared to those in 2010.

Key words: Shangwai coal mine, lean management system, production field, key performance indicator, application effect