Study of ash content qualification ratio and stabilization ratio on clean coal of coal preparation plant

Ash content qualification ratio and stabilization ratio on clean coal are two important indicators of evaluating production technology management; with the development of coal preparation technology,ash of clean coal can be accurately controlled,however,the current calculation method of ash content qualification ratio and stabilization ratio on clean coal are no longer suitable. By analyzing the actual problem of these indicators,the suggestion for calculation correction of them is made.