shell manhole 中文意思是什麼
shell manhole
解釋
罐壁人孔-
Shell manhole series shall be set on lower tank shell course for people and going out of the tank. the rainforcing plate of manhole is out of socpe supply. you want. acorrding to user drawing, our company can manufacture any type of the products user want
罐壁人口裝于油罐下部，人可以由此進入，本產品出廠時不帶加強版，如需其他標準或非標人孔，只需提供標準和紙圖，我公司即可生產。 -
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。
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