克罗斯比和德莱赛电站锅炉弹簧安全阀  

Crosby and Dresser Power Plant's Boilers Spring Safety Valves

作　　者：李雪飞 LI Xuefei(Shenhua Baotou Coal Chemical Company Limited,Baotou,Inner Mongolia,014010)

机构地区：[1]神华包头煤化工有限责任公司,内蒙古包头014010

出　　处：《神华科技》2018年第7期65-68,94,共5页Shenhua Science and Technology

摘　　要：介绍了克罗斯比HE型、克罗斯比HCl型和德莱赛1700型安全阀的内部结构,并结合安全阀零部件实物图片,深入地研究了3种安全阀的结构特点、动作原理和主要动作性能的影响因素,并根据作者多年的工作经验,总结出在设备检修时安全阀的解体、密封面的研磨、安全阀备件等方面的注意事项,为广大技术人员提供了全面的参考依据。Inter-structure images of Crosby HE type,Crosby HCl type and Dresser1700 type safety valves were introduced. Structure characteristics, operating principle and factors affecting main operation performance of three type safety valves were deeply studied by combining the physical picture of safety valves’parts. And based on the working experiences of authors,advises including disassembly of safety valve,grinding of flange facing and applying of spare parts in maintenance of equipments were summarized. The engineers will benefit from the present paper.

关 键 词：克罗斯比 德莱赛 安全阀 结构特点 动作原理 影响因素 检修 

分 类 号：TK223.6[动力工程及工程热物理—动力机械及工程]