第四代隔仓板展示

1、Latest Technology on Mill Diaphragms 磨机隔仓板的最新技术磨机隔仓板的最新技术 由由 presented by:Christian Pfeiffer Maschinenfabrik GmbH 59269 Beckum, Germany 奉献奉献内容表内容表:content table 介绍介绍 introduction 传统磨机隔仓板的缺陷传统磨机隔仓板的缺陷dis-advantage of conventional diaphragm （1）整体性差）整体性差bad integrity （2）篦缝堵塞）篦缝堵塞slot plate plugging （3）

2、配合间隙过大（）配合间隙过大（large assemble gap） （4）隔仓板两边物料不均匀）隔仓板两边物料不均匀 material uniform in two sides of diaphragm 新型隔仓板的设计特点新型隔仓板的设计特点Characteristics of a modern intermediate diaphragm优化的磨内流速优化的磨内流速Optimization mill flow 整体性结构整体性结构 integrity structure料流控制系统料流控制系统 flow control system 安装维护的便利性安装维护的便利性 Convenienc

3、e in maintenance特殊设计的特殊设计的篦板篦板 special design slot plate制作流程制作流程 manufacturer process结论（结论（conclusion）Introduction 介绍介绍 -大部分水泥磨依然是球磨机大部分水泥磨依然是球磨机从从19世纪世纪70年代以来，水泥技术年代以来，水泥技术得到快速的发展，而磨内技术发展得到快速的发展，而磨内技术发展缓慢缓慢Most cement mills are still ball mill.Since 70s of 19century, cement technology have been mad

4、e much progress, but technology in mill promote slowly.=优优化粉磨工艺很有必要化粉磨工艺很有必要Optimisation of grinding process of great importance Dis-advantage of conventional diaphragms常规隔仓板的缺点常规隔仓板的缺点1.整体性差整体性差bad integrity：尽管隔仓板在安装时结构紧尽管隔仓板在安装时结构紧密，但是在运行时，磨内的密，但是在运行时，磨内的几百吨钢球旋转运动将导致几百吨钢球旋转运动将导致磨机筒体变形，从而导致隔磨机筒体变形，

5、从而导致隔仓板变形。仓板变形。2.普通的隔仓板普遍堵塞严重普通的隔仓板普遍堵塞严重Dis-advantage of conventional diaphragms常规隔仓板的缺点常规隔仓板的缺点3. 配合间隙过大配合间隙过大Dis-advantage of conventional diaphragms常规隔仓板的缺点常规隔仓板的缺点4. 隔仓板两边物料不均匀隔仓板两边物料不均匀Dis-advantage of conventional diaphragms常规隔仓板的缺点常规隔仓板的缺点Requirements for a modern intermediate diaphragm新型双层隔

6、仓板的要求新型双层隔仓板的要求 - width of diaphragm 隔仓板的宽度隔仓板的宽度- slot width and slot shape 篦缝宽度和篦缝形状篦缝宽度和篦缝形状- adaptation to specific filling degree 适应各种填充率适应各种填充率 - adaptation of open surface area for optimising mill ventilation 为了磨内通风为了磨内通风,适应开放的表面区域适应开放的表面区域- flow control for optimised material transport 优化的料流

7、控制系统优化的料流控制系统 1.优化磨内流速优化磨内流速- cooling of cement and heat removal 水泥的冷却和散热水泥的冷却和散热- carry out of finish material 带走最终成品带走最终成品Characteristics of a modern intermediate diaphragm新型双层隔仓板的新型双层隔仓板的设计特点设计特点 - diaphragm backside plates provided with ventilation slots for controlled and optimal mill ventilati

8、on 隔仓板背侧篦板设有通风隔仓板背侧篦板设有通风 篦缝以便控制和优化磨内篦缝以便控制和优化磨内 通风通风Characteristics of a modern intermediate diaphragm新型双层隔仓板的新型双层隔仓板的设计特点设计特点 Characteristics of a modern intermediate diaphragm新型双层隔仓板的新型双层隔仓板的设计特点设计特点 Geometric data for the intermediate隔仓板几何数据 diaphragm mill diameter隔仓板 磨机直径 Total available slot l

9、ength全部可用篦缝长度Slot width篦缝宽度 mmmm 4.4107.876 Version A 类型AVolumetric air flow气流量Air velocity above the grinding ball charge球面上气体流速Total free area of the diaphragm隔仓板全部自由面积air velocity in the diaphragm 隔仓板气体流速 m/hm/smm/s 57 4601.52.1287.5 Version B类型BVolumetric air flow气流量Air velocity above the grindi

10、ng ball charge球面上气体流速Total free area of the diaphragm隔仓板全部自由面积 air velocity in the diaphragm隔仓板气体流速 m/hm/smm/s 44 9801.231.4048.9 Characteristics of a modern intermediate diaphragm新型双层隔仓板的新型双层隔仓板的设计特点设计特点 2.整体性结构整体性结构integrity structureCharacteristics of a modern intermediate diaphragm新型双层隔仓板的新型双层隔仓

11、板的设计特点设计特点 2.整体性结构整体性结构2.整体性结构整体性结构Floating fixation浮动式固定浮动式固定-to allow reliable movement between diaphragm and mill tube 允许隔仓板和磨机筒体间的允许隔仓板和磨机筒体间的可靠移动可靠移动- to avoid transfer of flexing as well as thermal and mechanical stress to the diaphragm 避免热应力和机械应力对隔避免热应力和机械应力对隔仓板的应力传递仓板的应力传递Characteristics of

12、a modern intermediate diaphragm新型双层隔仓板的新型双层隔仓板的设计特点设计特点 Characteristics of a modern intermediate diaphragm新型双层隔仓板的新型双层隔仓板的设计特点设计特点 Effective use of total grinding path in 2nd compartment二仓研磨路径的有效利用二仓研磨路径的有效利用Effective control of material level in 1st & 2nd compartmentI仓和仓和II仓料位的有效控制仓料位的有效控制Mater

13、ial bed at backside of diaphragm 隔仓板背侧形成料床隔仓板背侧形成料床3.料流控制系统料流控制系统New flow control concept 最新的流速控制理念最新的流速控制理念- Material is discharged into 2nd compartment outside of air flow 物料从气流外进入物料从气流外进入II仓仓I仓仓II仓仓Characteristics of a modern intermediate diaphragm新型双层隔仓板的新型双层隔仓板的设计特点设计特点 Characteristics of a mod

14、ern intermediate diaphragm新型双层隔仓板的新型双层隔仓板的设计特点设计特点 3.料流控制系统料流控制系统- division into several rings depending on wear zone 根据磨损区分成几个圈根据磨损区分成几个圈- diameter of centre screen individual for different filling degrees 根据不同的填充率设置根据不同的填充率设置 Characteristics of a modern intermediate diaphragm新型双层隔仓板的新型双层隔仓板的设计特点设计

15、特点 4.安装维护的便利性安装维护的便利性Design features of modern diaphragms新型新型隔仓板的设计特点隔仓板的设计特点- graphic of CPB slotted plates made of special Pfeiffer rolled steel 特殊飞帆特殊飞帆轧钢轧钢制作的制作的CPB篦板篦板的样式的样式 5.特殊设计的篦板特殊设计的篦板- Pfeiffer tear off bolts manufactured with conical bolt swages for a use of the diaphragm plates up to a

16、 residual thickness of less than 10 mm 飞帆锥形断头螺栓能使篦板飞帆锥形断头螺栓能使篦板 使用到不到使用到不到10mm的厚度。的厚度。Design features of modern diaphragms新型新型隔仓板的设计特点隔仓板的设计特点5.特殊设计的篦板特殊设计的篦板Process sequence of plate manufacture篦板生产流程篦板生产流程CNC programs prepared on CAD stationCAD站设定的程序plate supply钢板进厂flame cutting machine火焰切割机CNC mi

17、lling machine数控机床Robot机器人hardening furnace硬化炉Quenching淬冷tempering furnace恒温炉final control最终控制Dispatch发货Diaphragm plates 隔仓板篦板隔仓板篦板- automatic burning of slots with CNC-controlled robots CNC数控机器人自动切割篦缝数控机器人自动切割篦缝- slot width and length tailor-made 量身定制的篦缝宽度和长度量身定制的篦缝宽度和长度Design features of modern diaphragms新型新型隔仓板的设计特点隔仓板的设计特点6.制作流程制作流程manufacturer processCPB rolled steel diaphragm plates CPB轧钢轧钢隔仓板隔仓板Diaphragm plates隔仓板骨架隔仓板骨架- multiple heat treated to a hardness of 52 56 HRc 复合热处理达到复合热处理达到 52-56HRC的的洛洛氏硬度氏硬度Conclusion结论结论 modern technology needs new and t