Capacity expansion reform of Liangbei coal preparation plant
Shili Liu · Clean Coal Technology · 2011
Primary technical reform and the secondary capacity expansion reform have been made to solve the problems existed in washing process in Liangbei coal preparation plant.Thanks to the coarse coal slime processing system,the production capacity is improved from 0.9 million t/a to 1.2 million t/a,separation precision of cyclone is also improved.The medium consumption is reduced from 3 kg/t to less than 1 kg/t.By adjusting size fraction of coal slime,the processing capacity is up to 1.5 million t/a,the quantity of raw coal feed and ash content of gangue are improved,the product quality is easier to control.In 2010,the coal preparation plant has created 266.43 million yuan benefit more than in 2009.The successful capacity expansion reform identifies that the size fraction adjustment plays an important part in reform and this reform also provides theoretical basis for other coal preparation plants.