3) hydrofining unit
加氢精制装置
1.
Process capacity of a 12 000 b/d hydrofining unit for FCC gas oil and coker gas oil was expanded to 16 000 b/d by adopting the follow measures:(1) Replacing the recycle hydrogen compressor and the high-pressure heat exchanger.
通过对循环氢压缩机、高压换热器等进行更换;对反应进料加热炉、产品汽提塔和部分机泵进行改造;以及在反应器不改动的情况下选用FH-DS柴油深度加氢脱硫催化剂,并在反应器上、下床层采用密相装填方法装填催化剂等,催化裂化柴油和焦化柴油加氢精制装置处理量能力由600 kt/a扩至800 kt/a,处理能力扩大了33％,还生产出硫质量分数小于300μg/g的低硫柴油。
2.
Revamping of the high-pressure separation system and the fractionating tower in the hydrofining unit for full range coker distillates by Yangzi Petrochemical Company are introduced.
介绍了中国石化扬子石油化工股份有限公司炼油厂焦化全馏分油加氢精制装置高压分离系统、分馏塔系统等改造情况。
3.
The in situ regeneration of RN-10 hydrofining catalyst by diluent air, and the corrosion prevention measures of the hydrofining unit in Fujian Refinery and Petrochemical Company were introduced.
介绍福建炼油化工有限公司加氢精制装置中RN-10催化剂器内稀释空气烧焦再生过程及防腐措施。
4) solvent refining unit
溶剂精制装置
1.
The extraction tower of the solvent refining unit at Lanzhou Petroleum Processing and Chemical Complex was revamped.
兰州炼油化工总厂Ｎ－甲基吡咯烷酮溶剂精制装置萃取塔填料由乱堆填料改为以规整填料为主的复合填料，填料层数由８层增加到１０层，填料总高度由１２。
5) 1-butene purification unit
丁烯-1精制装置
6) furfural refining unit
糠醛精制装置
1.
In order to meet the requirement of processing import feedstock, the rotating disc tower in heavy furfural refining unit of Maoming Company has been replaced by the rotating-packing complex tower in the revamping.
茂名分公司重质油糠醛精制装置原抽提塔为转盘塔,为适应加工进口原料油的需要,改造时采用转盘-填料复合塔技术,提高了装置技术水平,使萃取塔能够保持较稳定的界面,精制油的质量、收率得到明显提高,装置加工能力上升,抽提塔最大比负荷提高了11。
2.
The technical revamping of two stage extraction in lube oil furfural refining unit with the capacity of 200000t/yr is performed by PetroChina Yumen General Petroleum Processing and Chemical Complex.
中国石油玉门炼油化工总厂对20万t/a润滑油糠醛精制装置进行二段抽提工艺改造,采用溶剂分流、抽出液合流的独特工艺。
3.
The problems of production in the lube furfural refining unit in The Nanyang Par- affin Wax Fine Chemical Plant were introduced.
介绍了南阳石蜡精细化工厂润滑油糠醛精制装置运行过程中出现的问题和存在的不足,详细描述了溶剂回收系统、蒸汽发生系统、精制液加热炉、精制油汽提塔、抽出油塔底重沸器等“瓶颈”的改造设计方法。
补充资料：加氢精制装置
分子式：
CAS号：
性质： 石油馏分或有机化合物进行催化加氢反应，用于精制的装置，一般为绝热式固定床反应器。如石油馏分的加氢精制、润滑油的加氢精制，脱除乙烯和丙烯中少量乙炔、丙炔和丙二烯等有害杂质的加氢反应器，裂解汽油加氢精制反应器。
CAS号：
性质： 石油馏分或有机化合物进行催化加氢反应，用于精制的装置，一般为绝热式固定床反应器。如石油馏分的加氢精制、润滑油的加氢精制，脱除乙烯和丙烯中少量乙炔、丙炔和丙二烯等有害杂质的加氢反应器，裂解汽油加氢精制反应器。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条