Research on the Flocculation Settlement Rules and Parameters Optimization of Filling Tailings

Metal Mine ›› 2017, Vol. 46 ›› Issue (06): 186-191.

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Research on the Flocculation Settlement Rules and Parameters Optimization of Filling Tailings

Gao Zhiyong^1,2，Wu Aixiang^1,2，Peng Naibing^1,2，Jiao Huazhe³，Li Gongcheng^1,2

1.Key Laboratory of Ministry of Education for High-Efficient Mining and Safety of Metal Mine,Beijing 100083,China；2.School of Civil and Environment Engineering,University of Science and Technology Beijing,Beijing 100083,China；3.School of Civil and Engineering,Henan Polytechnic University,Jiaozuo 454000,China

Online:2017-06-15 Published:2017-09-27

Abstract

Abstract: In order to study flocculation settling rules of tailings,tailings slurry concentration,XT9020 solution concentration and XT9020 dosage are selected as influence factors,unit area consumption capacity is regarded as evaluation index,results show tailings slurry concentration,XT9020 solution concentration and XT9020 dosage all show nonlinear relationship with unit area consumption capacity; slurry concentration is 15%,XT9020 solution concentration is 0.3%,XT9020 dosage is 25g/t,the unit area handling capacity is 3.15t/(h·m2),influence degree are as follows,slurry concentration>XT9020 concentration>XT9020 solution concentration.Design Expert software is used to regression fitting for flocculation settling model,slurry concentration is 15%,XT9020 solution concentration is 0.22%,XT9020 unit consumption is 26.67g/t,unit area handling capacity is 3.26t/(h·m2),and optimum,experimental value and predicted value agreement degree is good.

Key words: Flocculation settling, Unit area handling capacity, Design Expert, Parameters optimization

GAO Zhi-Yong, WU Ai-Xiang, PENG Nai-Bing, JIAO Hua-Zhe, LI Gong-Cheng. Research on the Flocculation Settlement Rules and Parameters Optimization of Filling Tailings[J]. Metal Mine, 2017, 46(06): 186-191.

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