The problems existed in jig in Xinjin No. 2. Coal Preparation Plant are analyzed, some technical reform measures are put forward and also the result after reform is introduced.
分析了新集第二选煤厂跳汰机存在的问题，提出了技术改造措施，介绍了改造后所取得的效果。
2
The Taoshan coal separation plant had carried on the reformation on jig in 2002. It replaced original LTG-15 Baum jig with SKT-16 air chamber under the bed jig.