中国安全生产科学技术
中國安全生產科學技術
중국안전생산과학기술
JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY
2015年
8期
171-174
,共4页
熊从贵%何静%刘雪飞%宋玲丽
熊從貴%何靜%劉雪飛%宋玲麗
웅종귀%하정%류설비%송령려
盘管%排管%安全隐患%影响因素%安全性分析
盤管%排管%安全隱患%影響因素%安全性分析
반관%배관%안전은환%영향인소%안전성분석
coil%calandria%hidden trouble%influence factors%safety analysis
针对盘管或排管因塑性加工变形产生残余应力、结构设计不合理,产生附加应力、焊接接头质量缺陷产生裂纹源和流体动能产生的应力等问题,通过对盘管或排管的结构设计、成形后的截面尺寸、焊接接头质量以及在特殊情况下发生的失效及其危害性进行分析,提出了提高盘管或排管安全性能的措施。结果表明,增加焊接接头的无损检测,选取合适的介质流速,提高柔性,在塑性变形后进行热处理,增加合适的壁厚加工减薄量和采用全焊透焊接结构,能有效控制盘管或排管的安全性。
針對盤管或排管因塑性加工變形產生殘餘應力、結構設計不閤理,產生附加應力、銲接接頭質量缺陷產生裂紋源和流體動能產生的應力等問題,通過對盤管或排管的結構設計、成形後的截麵呎吋、銲接接頭質量以及在特殊情況下髮生的失效及其危害性進行分析,提齣瞭提高盤管或排管安全性能的措施。結果錶明,增加銲接接頭的無損檢測,選取閤適的介質流速,提高柔性,在塑性變形後進行熱處理,增加閤適的壁厚加工減薄量和採用全銲透銲接結構,能有效控製盤管或排管的安全性。
침대반관혹배관인소성가공변형산생잔여응력、결구설계불합리,산생부가응력、한접접두질량결함산생렬문원화류체동능산생적응력등문제,통과대반관혹배관적결구설계、성형후적절면척촌、한접접두질량이급재특수정황하발생적실효급기위해성진행분석,제출료제고반관혹배관안전성능적조시。결과표명,증가한접접두적무손검측,선취합괄적개질류속,제고유성,재소성변형후진행열처리,증가합괄적벽후가공감박량화채용전한투한접결구,능유효공제반관혹배관적안전성。
Aiming at the problems of coil or calandria such as residual stress caused by plastic processing deforma -tion, additional stress caused by unreasonable structure design , crack source caused by quality defect of welding joint and the stress caused by fluid kinetic energy etc , through the analysis on the structure design , section size af-ter forming, quality of welding joint and the failure and its hazard in special situations of coil or calandria , the countermeasures to improve the safety performance of coil or calandria were put forward .The results showed that the following measures can effectively control the safety of coil or calandria , including the addition of nondestructive testing on welding joint , selection of suitable medium velocity , improvement of flexibility , carrying out thermal treatment after plastic deformation , addition of suitable reduction quantity in wall thickness processing , and adop-tion of full penetration welding structure etc .