洁净煤技术

2014, v.20;No.90(02) 32-34

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唐家河煤矿选煤厂三产品旋流器改造实践
Modification of three-product cyclone of Tangjiahe coal preparation plant

顾庆丰;
GU Qingfeng;Tangshan Branch,Tiandi Science & Technology Co. ,Ltd.;

摘要(Abstract):

为解决唐家河煤矿选煤厂三产品旋流器处理能力小、中煤夹精严重的问题,通过分析入选原煤的浮沉特性、旋流器的结构参数和工艺参数等对主选设备3NWX850/600型三产品重介旋流器进行局部结构参数改造和工艺参数调整。实践证明改造后旋流器处理能力增加,中煤夹精问题显著改善,减少了精煤损失,旋流器二段中心管改造后中煤产率明显增加,为企业带来显著的经济效益。
There were some problems with three-product cyclone of Tangjiahe coal preparation plant,such as low processing capacity,large clean coal mixing with middlings. To resolve these problems,analyse the float-and-sink characteristics of feed coal,structural and technological parameters of cyclone. Based on the analysis and calculation results,make adjustments to the portion of 3NWX850 /600 three-product dense-medium cyclone,which works in primary cleaning stage. After transformation,the above problems are resolved,and the economic benefits of coal preparation plant increase.

关键词(KeyWords): 中煤夹精;浮沉特性;旋流器;结构参数
clean coal mixing with middlings;float-and-sink characteristics;cyclone;structural parameters

Abstract:

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基金项目(Foundation): 中国煤炭科工集团科技创新基金资助项目(2012MS2009)

作者(Authors): 顾庆丰;
GU Qingfeng;Tangshan Branch,Tiandi Science & Technology Co. ,Ltd.;

DOI: 10.13226/j.issn.1006-6772.2014.02.009

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