细煤泥电渗、振动挤压脱水试验研究及主控因素分析  

Research of electrical osmosis and vibration dehydration experiments on fine coal slurry and analysis of the main controlling factors

作　　者：林雪松[1] 李梦凡 王东[2] 赵龙[1] 刘晟楠 李沈玲 桑雨 王来贵[4] LIN Xuesong;LI Mengfan;WANG Dong;ZHAO Long;LIU Shengnan;LI Shenling;SANG Yu;WANG Laigui(College of Science,Liaoning Technical University,Fuxin 123000,China;Department of Engineering,Fuxin Higher Training College,Fuxin 123000,China;Information Technology Department,Liaoning Prison Administration,Shenyang 110032,China;School of Mechanics and Engineering,Liaoning Technical University,Fuxin 123000,China)

机构地区：[1]辽宁工程技术大学理学院,辽宁阜新123000 [2]阜新高等专科学校工程系,辽宁阜新123000 [3]辽宁省监狱管理局信息技术处,辽宁沈阳110032 [4]辽宁工程技术大学力学与工程学院,辽宁阜新123000

出　　处：《辽宁工程技术大学学报(自然科学版)》2025年第1期8-16,共9页Journal of Liaoning Technical University (Natural Science)

基　　金：国家重点研发计划重点专项(2017YFC1503102);辽宁省教育厅基本科研项目(LJKMZ20220695);国家自然科学基金项目(51874157)。

摘　　要：为探寻高效、快速促进细煤泥脱水的有效途径,采用改装的空心圆柱扭剪仪进行多组平行试验,对比3载荷连续作用、2载荷同时作用、3载荷同时作用下细煤泥脱水过程与效果。研究结果表明:连续作用最佳脱水方案为挤压-振动-电渗;振动在挤压压力较小或脱水早期效果较好,振动脱水所需时间较短,频率接近固体固有频率时振动脱水效果最佳;电渗在挤压压力较大或脱水后期效果较好,单独挤压基础上每增加一种脱水措施均会产生新增的脱水量,同时缩短脱水时间;在相同载荷水平下,多种脱水措施同时作用的脱水效果优于连续作用。In order to explore an effective way to promote the dewatering of fine coal slime efficiently and quickly,multiple sets of parallel tests were carried out by using the modified hollow cylindrical torsion shear apparatus,and the dewatering process and effect of fine coal slime under the continuous action of 3 loads,the simultaneous action of 2 loads and the simultaneous action of 3 loads were compared.The experimental results show that the best dehydration scheme for continuous action is extrusion-vibration-electroosmotic;the effect of vibration dehydration is better when the extrusion pressure is small or the early stage of dehydration is better,the time required for vibration dehydration is shorter,and the vibration dehydration effect is the best when the frequency is close to the natural frequency of the solid.The effect of electroosmosis is better in the later stage of extrusion pressure or dehydration.On the basis of single extrusion,each additional dehydration measure will produce new dehydration amount and reduce the dehydration time.The dehydration effect of continuous action under the same load level is not as good as that of simultaneous action.

关 键 词：煤泥 脱水 挤压 振动 电渗 空心圆柱扭剪仪 

分 类 号：TU411.4[建筑科学—岩土工程]