煉油廠常減壓裝置自動(dòng)控制系統(tǒng)設(shè)計(jì)-文庫吧資料
2025-06-14 22:12本頁面
【正文】 f the physical property data to determine the cutting program to calculate the yield of the product. Reference to similar devices to determine the plate number, location of feeding and lateral line out, and then determine the major parts of the operating pressure and assumed operating temperature, fulltower heat balance calculations, to take two condensing cooling tower and two midback. Tower for heat: the first heat to take back the middle: midback to take the second heat 5:2:3, the last check of all the major parts of the temperature within the allowable error range. Plate in the form selected valve trays , according to the largest tower vapor pressure, liquid load at the tower diameter is con, take the plate spacing m. This part is most im
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