国内大型跳汰机的更新与改造

Renewal and Conversion of Domestic Large Jigs

针对国内一些选煤厂所存在的问题，通过对东滩和盘北选煤厂大型跳汰机的更新和改造，论述了我国大型跳汰机的技术水平及最终使用效果，并指出了对国内大型跳汰机进行更新和改造的必要性。

Based on problems confronted in domestic coal preparation plants and work conducted for renewal and conversion of a large jig at Tongtan and Panbei Coal Preparation Plant,discussed are the technical level of domestic large jigs and their application performance,and pointed out is the necessity of their renewal and conversion.