球磨机系统设计
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目次
目次
摘 要 ............................................................................................................................. III Abstract................................................................................................................................ IV 插图或附表清单 .................................................................................................................. V 引 言 ............................................................................................................................... 1 1 磨机概述 ......................................................................................................................... 2
The ball mill energy use factor is low, the distribution situation has the enormous relations with the material in grinding. Therefore discovered more approached the grinding machine outer layer, the abrasive action is bigger. When grinding machine actual production, the materials entered the mill to fall directly the inner layer, the process dynamics analysis, the inner layer material had to through the long time to enter the outer layer, reduced the production efficiency greatly.
- III -
Abstract
AbstraHale Waihona Puke Baidut
Ball mill winch grinds material by rotating a cylinder with steel grinding balls, is an efficient tool for grinding many materials into fine powder. It is widely used in building material, chemical industry, etc. A Ball Mill
目次
2.2.2 对进料口的改进 ......................................................................................... 18 2.2.3 进料端材质的选择 ..................................................................................... 19 2.3 合理选取磨机进料点 ........................................................................................... 19 2.3.1 球磨机的工作原理 ..................................................................................... 19 2.3.2 实际生产中的进料方式 ............................................................................. 20 2.3.3 研磨体的运动轨迹 ..................................................................................... 22 2.3.4 研磨体及物料的受力分析 ......................................................................... 24 2.3.5 影响研磨的原因 ......................................................................................... 28 2.3.6 对进料点的选取 ......................................................................................... 28 2.3.7 球磨机进料方式的改进 ............................................................................. 30 3 进料装置相关参数及计算 ........................................................................................... 31 3.1 磨机作业的技术条件和工艺技术指标 ............................................................... 32 3.2 主要参数 ............................................................................................................... 34 3.3 磨机填充率 ........................................................................................................... 35 3.4 磨机的适应转速 ................................................................................................... 36 3.5 磨机功率计算 ....................................................................................................... 39 4 结 论 ........................................................................................................................... 42 致 谢 ................................................................................................................................. 43 参考文献 ............................................................................................................................. 44
1.1 粉磨的意义 ............................................................................................................. 2 1.2 磨机的分类及工作特点 ......................................................................................... 2
1.2.1 磨机的种类 ................................................................................................... 2 1.2.2 磨机工作的特点 ........................................................................................... 3 1.2.3 磨机粉磨系统 ............................................................................................... 3 1.3 球磨机的分类及性能 ............................................................................................. 4 1.3.1 球磨机的种类 ............................................................................................... 4 1.3.2 球磨机的优缺点 ........................................................................................... 6 1.4 球磨机的主要构造 ................................................................................................. 7 1.4.1 球磨机的基本结构 ....................................................................................... 7 1.4.2 球磨机的主要部件 ....................................................................................... 9 2 球磨机进料装置的优化设计 ....................................................................................... 15 2.1 磨机的进料形式 ................................................................................................... 15 2.2 磨机进料口的改进设计 ....................................................................................... 17 2.2.1 磨机进料口存在的问题 ............................................................................. 17
为了使物料合理地分布，对磨机进料部分进行改进。将旧式的直角下料溜改为 倾角式下料溜，使物料溜角大于休止角，物料顺畅进给。合理的选取进料点，使物 料直接进入筒体外层。最后通过计算和一些经验数据，确定进料装置的材质，物料 填充率，筒体适应转速和磨机功率等相关参数。
关键词：球磨机；进料装置；进料口；进料点
摘要
摘要
球磨机是通过圆筒内的钢球在材料之上作用来碾磨材料的，是一种能有效的碾 磨多种材料的工具。其被广泛地被用于建材、化工、选矿等行业。
球磨机的能量利用率很低，这和物料在磨内分布情况有极大的关系。越靠近筒 体的外层运动轨迹，研磨作用越大。而磨机实际生产时，物料进入筒体就直接落入 内层，内层的物料要经过较长时间才能进入外层充分碾磨，从而损失了大量能量。
目次
摘 要 ............................................................................................................................. III Abstract................................................................................................................................ IV 插图或附表清单 .................................................................................................................. V 引 言 ............................................................................................................................... 1 1 磨机概述 ......................................................................................................................... 2
The ball mill energy use factor is low, the distribution situation has the enormous relations with the material in grinding. Therefore discovered more approached the grinding machine outer layer, the abrasive action is bigger. When grinding machine actual production, the materials entered the mill to fall directly the inner layer, the process dynamics analysis, the inner layer material had to through the long time to enter the outer layer, reduced the production efficiency greatly.
- III -
Abstract
AbstraHale Waihona Puke Baidut
Ball mill winch grinds material by rotating a cylinder with steel grinding balls, is an efficient tool for grinding many materials into fine powder. It is widely used in building material, chemical industry, etc. A Ball Mill
目次
2.2.2 对进料口的改进 ......................................................................................... 18 2.2.3 进料端材质的选择 ..................................................................................... 19 2.3 合理选取磨机进料点 ........................................................................................... 19 2.3.1 球磨机的工作原理 ..................................................................................... 19 2.3.2 实际生产中的进料方式 ............................................................................. 20 2.3.3 研磨体的运动轨迹 ..................................................................................... 22 2.3.4 研磨体及物料的受力分析 ......................................................................... 24 2.3.5 影响研磨的原因 ......................................................................................... 28 2.3.6 对进料点的选取 ......................................................................................... 28 2.3.7 球磨机进料方式的改进 ............................................................................. 30 3 进料装置相关参数及计算 ........................................................................................... 31 3.1 磨机作业的技术条件和工艺技术指标 ............................................................... 32 3.2 主要参数 ............................................................................................................... 34 3.3 磨机填充率 ........................................................................................................... 35 3.4 磨机的适应转速 ................................................................................................... 36 3.5 磨机功率计算 ....................................................................................................... 39 4 结 论 ........................................................................................................................... 42 致 谢 ................................................................................................................................. 43 参考文献 ............................................................................................................................. 44
1.1 粉磨的意义 ............................................................................................................. 2 1.2 磨机的分类及工作特点 ......................................................................................... 2
1.2.1 磨机的种类 ................................................................................................... 2 1.2.2 磨机工作的特点 ........................................................................................... 3 1.2.3 磨机粉磨系统 ............................................................................................... 3 1.3 球磨机的分类及性能 ............................................................................................. 4 1.3.1 球磨机的种类 ............................................................................................... 4 1.3.2 球磨机的优缺点 ........................................................................................... 6 1.4 球磨机的主要构造 ................................................................................................. 7 1.4.1 球磨机的基本结构 ....................................................................................... 7 1.4.2 球磨机的主要部件 ....................................................................................... 9 2 球磨机进料装置的优化设计 ....................................................................................... 15 2.1 磨机的进料形式 ................................................................................................... 15 2.2 磨机进料口的改进设计 ....................................................................................... 17 2.2.1 磨机进料口存在的问题 ............................................................................. 17
为了使物料合理地分布，对磨机进料部分进行改进。将旧式的直角下料溜改为 倾角式下料溜，使物料溜角大于休止角，物料顺畅进给。合理的选取进料点，使物 料直接进入筒体外层。最后通过计算和一些经验数据，确定进料装置的材质，物料 填充率，筒体适应转速和磨机功率等相关参数。
关键词：球磨机；进料装置；进料口；进料点
摘要
摘要
球磨机是通过圆筒内的钢球在材料之上作用来碾磨材料的，是一种能有效的碾 磨多种材料的工具。其被广泛地被用于建材、化工、选矿等行业。
球磨机的能量利用率很低，这和物料在磨内分布情况有极大的关系。越靠近筒 体的外层运动轨迹，研磨作用越大。而磨机实际生产时，物料进入筒体就直接落入 内层，内层的物料要经过较长时间才能进入外层充分碾磨，从而损失了大量能量。