Vacuum Tower
chaperter13
Introduction
原料：常压塔塔底出料
产品：润滑油，FCCU原
料油
操作条件：
闪蒸温度：380-415℃
压力：7-14kPa
Analytical Strategies
what
why
how
Phenomenon
Reason
Solution
Common Troubles
1
Bottoms Pump NPSH
2
High Flash-Zone Pressure
Introduction
3
Ejector Problems
4
5
Black Gas Oil
6
7
Excessive Production of Trim Gas Oil
Transfer-Line Failures
Light Resid
8
Low Pumparound Draw Temperatures
9
Projects to Improve Gas Oil Recovery
1.Bottoms Pump NPSH
1.Bottoms Pump NPSH
1.Bottoms Pump NPSH
1.Bottoms Pump NPSH
1.Bottoms Pump NPSH
1.Bottoms Pump NPSH
1.Bottoms Pump NPSH
2.High Flash-Zone Pressure
2.High Flash-Zone Pressure
2.High Flash-Zone Pressure
2.High Flash-Zone Pressure
2.High Flash-Zone Pressure
3.Ejector Problems
3.Ejector Problems
3.Ejector Problems
3.Ejector Problems
CO，CO2 ，O2
3.Ejector Problems
3.Ejector Problems
F~(D2)*(P1)
F=Stream flow
D=Nozzle ID
3.Ejector Problems
P1=Motive steam ,absolute
pressure
3.Ejector Problems
3.Ejector Problems
3.Ejector Problems
4.Black Gas Oil
4.Black Gas Oil
5.Excessive Production of TGO
5.Excessive Production of TGO
6.Low Pumparound Draw Temperature
6.Low Pumparound Draw Temperature
7.Light Resid
7.Light Resid
8.Transfer-Line Failures
8.Transfer-Line Failures
9.Projects to Improve Gas-oil Recovery
Treating liquid
hydrocarbons
chaperter14
Introduction
Common Troubles
1
Carry-Over problems
Introduction
2
Correcting Inadequate Treating
3
Vertical Wash Tower
4
Excessive Production of Trim Gas Oil
5
Low Pumparound Draw Temperatures
6
Projects to Improve Gas Oil Recovery
1.Carry-Over Problems
1.Carry-Over Problems
1.Carry-Over Problems
1.Carry-Over Problems
1.Carry-Over Problems
2.Correcting Inadequate Treating
2.Correcting Inadequate Treating
3.Vertical Wash Tower
3.Vertical Wash Tower
3.Vertical Wash Tower
Vocabulary
Coke 焦化
suction screen吸入滤网
 gland oil 轻质润滑油
resid 渣油
thermal cracking 热裂解
plug 堵塞
 flange 法兰
cavitation 空穴
gas oil 柴油
flash zone 闪蒸区域
mercury-filled 水银柱式
demister 除雾器 manometer 压力计
gauge 计量器 trim gas oil 修剪油气
 ejector（jet） 喷射器 tail gas 废气
Vocabulary
clearance 空隙
caliper 卡尺
throttle 节流阀
FCCU 催化裂化装置
dislodge 驱逐，离开原位 HVGO 重真空油
 LVGO 轻真空油
trapout 受液盘
naphtha 石脑油 heater pass 加热旁通管
 turbine 涡轮 backflush 逆流，回洗
pumparound 泵送系统 wash oil 洗油
 mercaptans 硫醇
caustic 腐蚀剂
malfunction 失灵
effluent 污水
settler 沉淀器 residence time 停留时间
Vocabulary
butylenes 丁烯
impeller 叶轮
steam tracing 蒸汽伴热 acetate 醋酸盐
Lead acetate paper 乙酸铅试纸
 depropanizer 脱丙烷塔
spray heater 喷雾加热器
Overflow 液泛，溢出
rotometer 旋转流量计
propane 丙烷 emulsify 乳化
电脱盐
电脱盐
电脱盐