The burning coke way of the furnace tube of the atmospheric distillationplant in small scale refinery was introduced. The views of attention in burning coke process were pointed out.
介绍了小型炼油厂常压蒸馏装置加热炉炉管的烧焦方法，指出了烧焦过程中的注意事项。
2
It is an effective method to apply heat pump for saving energy in distillationplant. Especially direct vapor recompression has become attractive at some devoloped countries in recoent years.
精馏装置中使用热泵是节能的一种有效措施，而以直接蒸汽再压缩的热泵流程为最佳。
3
Ethylene distillation column is very important in olefin plant because it directly affects the quality and yield of ethylene.