煤质化验灰分测定的一项改进

Improvement on Ash Determination in Coal Quality Analysis

煤的灰分对煤发热量的影响很大,间接地决定了煤的销售价格。而在煤质化验过程中灰分的测定受到很多不确定因素的影响,化验人员只能尽可能的降低外因对灰分测定准确性的影响。针对这一问题设计了一个灰皿架,对煤质灰分测定工作有改进作用。

The coal ash content has an influence on the coal calorific value and the coal sales price. impacts of uncertain factors on the ash determination in coal quality analysis,the author presents a of a cupel rack to reduce the impacts of external factors on the accuracy of ash determination. Aiming at the design scheme