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三产品煤泥重介旋流器在荣辉选煤厂的应用研究

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介绍了三产品煤泥重介质旋流器的结构及工作原理.为检验三产品煤泥重介旋流器对不同入料的分选效果,在荣辉选煤厂进行了中试试验.结果表明,三产品煤泥重介旋流器对大于0.125 mm粒级物料具有较好的分选效果:对于灰分为30.23%的大于0.125 mm合介煤泥入料,经分选后一段精煤灰分9.63%,二段中煤灰分41.82%,二段矸石灰分65.86%;对于灰分为15.06%的大于0.125 mm精煤弧形筛下合介煤泥入料,经分选后一段精煤灰分8.69%,二段中煤灰分34.46%,二段矸石灰分63.42%.
Research on the application of three products coal slime heavy medium cyclone in Ronghui Coal preparation Plant
The structure and working principle of the three-product coal slime heavy medium cyclone are introduced.A pilot test was conducted in Ronghui Coal preparation Plant in order to test the separation effect of three products slime heavy mesocyclone on different feedstock.The results show that the three productscoal slime heavy medium cyclone has a good separation effect on the particles larger than 0.125 mm:(1)For the coal slime with a ash content of 30.23%and particle size larger than 0.125 mm,the ash content of clean coal is 9.63%,the ash content of middling coal is 41.82%,and the ash content of gangue is 65.86%.(2)For the coal slime with a ash content of 15.06%and particle size larger than 0.125 mm,the ash content of the clean coal is 8.69%,the ash content of middling coal is 34.46%,and the ash content of gangue is 63.42%.

coal preparation plantcoarse coal slimethree products coal slime heavy medium cyclonepilot plant testsorting effect

李小乐、吴树明、赵杰、刁海瑞、延海龙

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唐山国选精煤有限责任公司,河北唐山 063000

选煤厂 粗煤泥 三产品煤泥重介旋流器 中试试验 分选效果

2023

煤炭加工与综合利用
中国煤炭加工利用协会

煤炭加工与综合利用

影响因子:0.496
ISSN:1005-8397
年,卷(期):2023.(11)
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