Abstract:

Introduced dust generation source in the production process of coal washing in Xinzhuang Coal Preparation Plant, analyzed forming reasons of the coal dust in production, transportation, storage, shipping links, according to the present production system, reduced coal dust concentration by precipitators arranged, material chute and transport belts enclosed, watered in coal dust and coal storage yard, cut down wind pressure in equipment outlet, exhaust devices installed, anti-crushing device increased on the transfer point and the feeding inlet, results show that has remarkable economic and social benefits through the management and transformation, various links of coal dust concentration is controlled in 10 mg / m3 below, generate annual profits about 1.06 million yuan.

Key words: Coal Preparation Plant, Coal dust, Causes, Measures and methods, Government effect