APPLICATION OF SCREW SEALING TECHNIQUE IN FEED-WATER PUMP FOR 125 MW UNIT[J]. Thermal power generation, 2001, (1): 48-50.
DOI:
APPLICATION OF SCREW SEALING TECHNIQUE IN FEED-WATER PUMP FOR 125 MW UNIT[J]. Thermal power generation, 2001, (1): 48-50. DOI: 10.19666/j.rlfd.2001.01.015.
APPLICATION OF SCREW SEALING TECHNIQUE IN FEED-WATER PUMP FOR 125 MW UNIT
摘要
遵义发电厂 8号机给水泵轴封装置原来采用浮动环密封
该密封装置由于结构原理的限制
动静配合间隙小
对密封水水质、压力要求高
因此给水泵运行存在一定的安全隐患。经改用螺旋密封结构后
因其动静配合间隙大
故对密封水压力要求不高
取得了良好的经济效益和安全效益。
Abstract
A screw sealing technique is put forward and has been utilized in retrofitting the sealing of feed-water pump for unit No.8 of Zunyi Power Plant.Application of this technique has good economic and social benefits.