Measures of reducing medium consumption of Kaida coal preparation plant
ZHANG Gangjian
Abstract：Analyse the causes of high medium consumption of Kaida coal preparation plant from technology loss and management loss.The results show that,bad effects of raw coal desliming and dewatering,low efficiency of medium draining screen and magnetic separator,poor quality of magnetite powder,unreasonable medium adding way,unstable density of medium collection system,delayed screen surface clean, poor management of magnetic separator and so on are the main causes.Reform the coal preparation plant by optimizing performance of mag-netic separator,increasing efficiency of desliming screen and medium draining screen,realizing the automation control of medium system and strengthening daily management.After transformation,the efficiency of magnetic separator reaches above 99%,the medium in products decrease.Medium system tends to more stable and products quality is ensured.The medium consumption decrease from 1.99 kg/t to 1.10 kg/t,and the plant saves about 4.26×106yuan per year.
Keywords：medium consumptiontechnology lossmanagement lossmagnetic separatormedium
Publication Date：2014-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 28-31 )