如果能实现洗水闭路循环，不仅能大大提高洗煤厂的经济效益，又能取得良好的社会效益。
If it can realize the closed circuit circulating of washing-water, can not only increase economic benefit but also can obtain the social benefit in coal preparation factory.
生产应用表明，该方法简单，处理效果好，可满足洗水闭路循环清水洗煤的要求。
The practical application has shown that the method is simple, can obtain good results and help to realize clear water wash coal and closed circuit the circulation of washing water.
该方法简单，处理效果好，处理后上清水完全回用于洗煤，实现了洗水闭路循环。
All upper clear water that have been treated can be used to wash coal, which realizes closed cycle of washing water.
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