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嘉克耐磨堆焊技术为水泥生料粉磨设备的发展添彩
  Published:2007-10-08 14:16:33  Author:北京嘉克
Beijing ARC   http://www.arceq.com


    水泥生料制备系统的工艺和装备技术在近10多年来一直处于快速发展之中,特别是近几年新型干法水泥生产技术的广泛应用,使生料粉磨设备发展进程显著加快。
 
    粉磨设备过去以球磨机为主,现在逐步发展为高效率的立磨、辊压机等多种形式并用,在许多水泥厂,生料制备过程的高产低耗已达到相当水平。
 
    新设备、新技术的应用使生料磨系统工艺更加丰富和完善。球磨机烘干、粉磨一体化,适用于高含水率的立式磨粉磨、辊压机的多种工艺组合,以及对悬浮窑、与分解窑的废气作烘干热源的利用等等,都促进了  生料制备技术的发展。
 
    操作控制过程的自动化普遍形成,磨机操作系统的自动控制,原料分析、检测的自动控制,配料、计量的自动控制等,使我国水泥生产自动化的整体水平越来越高。
 
    另一个显著的特点是生料磨装备的大型化。
 
    仅两年多的时间,北京嘉克新兴科技有限公司在国内水泥行业的耐磨堆焊服务、磨辊/盘瓦新品制造方面已经拥有了骄人的业绩。在水泥生料立磨磨辊/盘瓦、熟料立磨磨辊/盘瓦、矿渣/钢渣磨辊/盘瓦、磨煤机磨辊/盘瓦、辊压机挤压辊等的制造、堆焊修复以及耐磨板的堆焊制造方面已经具有了大量的成功应用,积累了丰富的实践经验。对史密斯(Atox)、伯力休斯(Ploysuis)、莱歇(LM)、宇部(ULB)、菲凡(MPS)等公司磨辊/盘瓦以及HRM、TRM、ZGM、MPS、HP、RP等型号磨机磨辊/盘瓦,嘉克均可实现在线或离线堆焊修复。
 
    现在国内引进或者自行设计制造的几种常见水泥立磨的结构、特点如下表:
 
名     称
磨盘、磨辊结构特点
其他特点
制造商
RM伯力休斯
每台磨均有两对磨辊,每对磨辊由两个辊组成,装在同一个轴上,能相对转动。磨盘上有两条环形槽,磨辊为轮胎型,工作时压在槽内。
磨辊同液压气动装置压紧:磨内空气需要量较少:磨辊不能翻出检修。
德国:伯力休斯公司
LM莱歇磨
磨盘为平面、磨辊为锥台,磨辊轴与水平面呈15°夹角,较小的磨有两个磨辊,大磨则有四个磨辊。磨辊能翻出外检修。启动时可自动从磨盘上托起。
视规格不同,辊数为2-4辊。大型磨多为4辊液压式。
德国:莱歇公司
美国:富勒公司
日本:宇部公司
MPS法埃夫
每台磨均有三个磨辊,磨辊轴线与水平面呈12°夹角,磨辊为轮胎型,磨盘上有一条槽形碾槽。起动时不能托起。
磨辊用液压气动预应力弹簧加压系统压紧;磨辊和磨盘的分片衬板易于更换;粉磨区通风阻力小
德国:法埃夫公司
美国:爱立斯.查莫尔公司
ATOX
每台磨均有三个磨辊,磨盘为平面,磨辊为圆柱体。可在启动时托起。不能翻出检修
磨辊使用弧形衬板,磨盘使用段节衬板;喷咀环面积可调
丹麦:史密斯公司
BP雷蒙磨
磨盘研磨而为斜面、与水平呈15°夹角,磨辊为圆柱体,大型磨三个辊,小型磨为两个磨辊,磨辊能翻出外检修。
传统型为弹簧压紧,新型多为液压压紧,磨盘多为碗形
美国;燃烧工程公司
日本:三菱重工
E型磨
磨盘上有一个环形碾槽,上磨环也有相同的环形槽,磨盘与上磨环之间是用于碾磨物料的空心钢球,钢球的直径和个数取决于磨机的大小一般为6-10个
采用弹簧压紧,通过调节叶片角度控制粉磨细度
德国:皮特斯公司
R
磨盘为碗形,固定不动,磨辊为圆柱形,通过辊轴悬吊在花盘上,花盘转动带动磨辊转动,有所产生的离心力研磨物料,每台磨有3-5个磨辊
 
英国:拔伯葛公司
 
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2、overlaying remanufacturing for the coal grinding roller/segment
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4、overlaying remanufacturing for the steel and iron slag rollers and segments.
5、overlaying remanufacturing for the wear plate

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