缩短缓慢灰化法时间的研究  

Research on shortening the time of slow- ashing method

作　　者：王文才[1,2] 张盼佳 赵国强[1,2] 

机构地区：[1]内蒙古科技大学矿业工程学院,内蒙古包头014010 [2]内蒙古煤炭安全开采与利用工程技术研究中心,内蒙古包头014010

出　　处：《选煤技术》2014年第1期8-11,15,共5页Coal Preparation Technology

基　　金：内蒙古科技大学产学研合作培育基金项目(PY-201124);内蒙古自治区高等学校科学研究项目(NJ10093)

摘　　要：针对缓慢灰化法检测煤样灰分耗时长、速度慢的弊病,在分析试验条件的改变对灰分检测结果准确性的影响基础上,从样煤质量的控制、灰化时间的控制两方面提出改进方案;对改进方案的煤样灰分-质量曲线进行分析,找出改进灰化条件的合理质量区间,并对其准确性进行验证。试验结果表明:合理质量区间内改进方案检测的煤样灰分值与仲裁法的基本吻合,具有一定的科学性和实用性,且有效缩短了检测时间。According to the disadvantages of long time and slow speed of measuring the ash content of coal by slow - ashing method, based on analyzing the influence of change of testing condition on ash measurement accuracy, provides a new plan from aspects of control of the ashing time and coal sample quality; also analyzed the new ash curve samples, and finds the reasonable interval to improve the ash condition whose accuracy has been proved. As a result, the ash value from new plan conforms to the arbi- tration law and this is a scientific and practicability plan, and the testing time shortened effectively.

关 键 词：灰分测定 缓慢灰化法 快速灰化法 检测条件 改进方案 

分 类 号：TQ533[化学工程—煤化学工程]