1975年7月1日,邢台煤矿洗煤厂在矿党委领导下,经过洗煤厂全体职工的努力,全部煤泥水不经浓缩直接浮选的新工艺胜利投入生产。一年多的生产实践证明,煤泥水直接浮选是成功的,它打破了几十年洗煤传统工艺的束缚,是洗煤工艺上的一项重大改革。直接浮选的成功,受到选煤界许多同志的关心和支持。由于是新工艺,因此也提出了一些问题。为了推动我国选煤技术 July 1, 1975, Xingtai coal washing plant under the leadership of the coal mine party committee, through the efforts of all staff of the coal washing plant, all the slime water without concentrating direct flotation of the new technology victory into production. More than a year of production proved that the direct flotation of slime water was successful. It broke the shackles of the traditional process of coal washing for several decades and was a major reform in coal washing technology. The success of direct flotation has been the concern and support of many comrades in the coal preparation industry. Because it is a new process, it also raises some questions. In order to promote China’s coal preparation technology