新型全柱状采样器研究与推广应用

由于煤炭是大宗产品,动力用煤煤量较大,供销频繁。电煤紧张时,煤炭供需双方质量纠纷不断,现行机械化采样器是按照标准煤炭产品设计的,在贵州省使用时存在很大的局限性,极不适应煤炭市场复杂的质量状况。企业使用中存在着很多问题,分层装车、不同品质的煤混装等造成购煤企业不能评价煤炭的真实质量,热值虚高,经济损失较大。根据现行机械化采样器存在的问题,提出了采用全柱状、全深度、全断面、全方位采取子样,子样量大且全部破碎缩分,解决了物料不均匀情况下的采制样难题,检验结果取得较好的准确性。

Application of cylindrical sampling apparatus in coal quality detection

The industry development has huge demand for steam coal.When power coal supply is tight,there are lots of dispute over coal quality between supply and demand parties.The current mechanization sampling apparatus is designed according to certified reference coal,which is not suitable for Guizhou coal,so different qualities coal are mixed together during loading,so the true coal quality is difficult to inspect.To resolve these problems,adopting cylindrical sampling apparatus,the collection of coal samples is full-depth,fullface and omnibearing.The quantity of coal samples is large,and all coal samples are crushed and screened.With the help of cylindrical sampling apparatus,the inspection results of coal samples is more accurate.