挖泥船泥泵耐磨过流部件的研制  

Research on Abrasion Resistance Parts of Dredger Pump

作　　者：宇文建鹏[1] 焦斌[1] 武剑博[1] 于力 王彬 

机构地区：[1]中国船舶重工集团公司第十二研究所,陕西兴平713102 [2]中国水利投资公司,北京100053

出　　处：《热加工工艺》2006年第17期24-26,共3页Hot Working Technology

摘　　要：总结了用于挖泥船的CW.NB450型泥泵过流耐磨部件泵壳、叶轮、前后衬板的化学成分选择、合金熔炼、铸造工艺设计及优化、机械加工、热处理工艺等技术。试制结果证明,使用高铬铸铁生产的泥泵过流耐磨部件符合设计要求,性能达到国外同类产品水平。Technologies such as chemical constitution selecting, alloy melting,casting process designing and optimizing, mechanical machining and heat treatment process on pump body, impeller, front and rear board of CW.NB450 dredge pump abrasion resistance parts are concluded.It is indicated that the dredge pump abrasion resistance parts produced by high-chromium cast iron can meet the demands of design, and its properties may reach the level of products abroad.

关 键 词：高铬铸铁 泥泵 泵壳 叶轮 

分 类 号：TG257[金属学及工艺—铸造]