Distillation column

2015-01-20 13:44:06 点击数：

Towers, process equipment for welding cylindrical structure by cylinder, head (or hijab) and bearing components. Tower is one of the core refining and chemical production equipment, widely used in fertilizers, pharmaceuticals, environmental protection, material separation. Tower Press Internals are packing or trays and other means into a packed tower, plate tower and crystalline tower. Tower for distillation, purification, absorption, distillation equipment upright unit operations such as chemical, widely used in gas - liquid and liquid - liquid mass transfer between the heat transfer. Press the internals of structure, the tower can be divided plate column and packed column. Towers or equipment for gas and liquid phase mass transfer between the liquid and the. By the structure plate column and packed column into two categories. Plate tower has a certain number of plates, gas bubbling or spray form and trays make contact with the liquid layer mass transfer. A packed column containing a height of packing, the packing from the top down along the liquid flow, the gas from the bottom up countercurrent contact with the liquid film, transfer of substances. Often used in distillation, absorption, extraction operation.