Improvement of coarse slime separation and recovery process in Lvjiatuo Coal Preparation Plant
To improve the separation performance and elevate the recovery efficiency during coarse slime washing,Lvjiatuo CPP upgraded the coal preparation process by introducing the super Fine coal Heavy Medium Cyclone(FHMC)for separation and 2-stage sieve bends incorporated with slime centrifuge for recovery.The test shows that:the HMC Epm reaches 0.087 kg/L for 0.25～0.10 mm size with 0.10 mm lower limit;The screening efficiency of 2-stage sieve bends is up to 80.55％with 0.6％yield growth.The technical upgrading drives the annual pre-tax profits by 36 million yuan.
万方数据
维普
