vertical weld 中文意思是什麼
vertical weld
解釋
垂直焊縫-
Fillet weld in the vertical position
立角焊縫 -
About design programs of propylene tower post weld whole heat treatment, we have made analyses and compare from the various technical and economic aspects, and in vertical state of large pressurized vessel, we propose to adopt the internal combustion heat treatment method, in horizontal state of it, to adopt high temperature flue gas heat treatment method, and propose center combustion tube method as the future direction of technical developmnet insights
摘要圍繞丙烯塔焊后整體熱處理的各種設計方案，從技術、經濟等方面進行分析對比，提出對超大型壓力容器，立置狀態下宜採用內燃法熱處理；臥置狀態時宜採用高溫煙氣法熱處理，並提出將中心燃燒管法作為今後技術發展方向的見解。 -
This paper discussed the total process of fabrication for big diameter vertical heat exchanger, including mostly tubesheet machining, technics request of tubesheet piecing - up, and weld request of tubesheet - to - shell ; measure of machining for square manhole and measure of square manhole - to - shell weld for preventing distortion ; taking special machining technics arid check up method for request of plane degree and check up method upon tubesheet
摘要介紹了大直徑立式換熱器的製造過程，主要包括管板拼接、加工的工藝要求以及管板與筒體焊接要求；同時對方形人孔的製作及其與筒體的焊接防變形等採取了一定的措施，對管板上端面平面度的要求採取了特殊的加工工藝及檢驗方法。
分享友人