The golden decade of the rapid development of China’s coal preparation equipment

Abstract

The period from 2003 to 2013 was the golden decade of the development of China’s coal industry. The rapid technological advances of coal cleaning processes and equipment had led to doubled and even redoubled increase of the capacity of per unit cleaning machine, as well as the rapid enhancement of equipment operating performance and reliability and manufacturing level. These enabled China to become a world powerful country in terms of cleaning technology and advanced process equipment. Backed up with the advanced equipment, China’s coal cleaning facilities have become larger in scale and are operating with highly efficient larger process equipment. For instance, the H.M.cylone reached a diameter up to 1500mm, the flotation machine has a pulp throughput of 2400m3/h, and the maximum handling capacity of crusher reaches 10000t/h. Now almost all of the plants are operating with simplified cleaning systems and more diversified cleaning process under specialized management mode. The paper points out that only through continuously enhancing equipment stability and realizing intelligentization and more elaborate design of equipment, can China develop more and better coal cleaning equipment with worldwide influence.