It is a guide for the vacuum deep cut revamping on atmospheric and vacuumdistillation unit.
结果表明对常减压装置减压深拔技术改造有一定的指导意义。
2
The serious corrosion problem at low temperature could be found in atmospheric-vacuumdistillation unit, especially in the atmosphere overhead condenser.
常减压装置存在较为严重的低温位腐蚀问题，尤其是常压塔顶冷凝器腐蚀问题更为严重。
3
The revamp of internal construction of oil water separator in atmospheric-vacuumdistillation unit from first generation to the third generation is detailed.