提升管

FCC装置同轴式提升管反应器设计

Design of coaxial lift pipe reactor employed in FCC unit

FCC提升管内粒径分布对颗粒混合行为的影响

Influence of Particle Size Distribution on Solids Mixing Behavior in FCC Riser

该酸性助剂与原料油直接混合进入提升管，与平衡剂接触明显改善了平衡剂的B酸酸性，提高了催化剂的裂化活性。

The acidity and crackability of equilibrium catalyst were considerably improved by mixing it with the feedstock directly and putting them into the riser .

在国产化DCS上实现提升管出口温度控制

Realization of outlet temperature control in domestic DCS

FCC装置采用两段提升管技术及扩能的改造设计

Revamping FCCU with two-stage riser FCC process

FCC提升管快分器结构形式对油气在沉降器内停留时间的影响

Impact of fast separator construction of FCC riser reactor on oil vapor residence time in disengager

利用催化裂化过程本身降低汽油烯烃含量成为近年来新型催化剂和新型工艺技术开发的主要方向，在连续小型提升管装置上，考察FCC汽油降烯烃效果与反应条件的关系。

Decreasing the olefin content of naphtha for FCC process becomes the main demand of new catalyst and process development .

BP最新努力的第一步是将一个被破坏的用于将石油带到深水地平线钻井平台的提升管移开，这是一项复杂的操作。

The first step in BP 's latest effort is the intricate removal of a damaged riser that brought oil to the surface of the Deepwater Horizon rig .

由于PP颗粒较大，气体携带颗粒的能力不足，导致了颗粒速度较小，提升管中颗粒的平均停留时间较长。

The diameter of polymer particles is so large that the particle velocity is small , which result in the mean residence time of solid is long .

太阳能无泵LiBr吸收式制冷机中溶液提升管最低高度的确定

Determination of the Lowest Height of the Solution Elevation Tube in Solar Pumpless LiBr Absorption Chillers

16m高气固提升管中的压力梯度与流动行为研究

Pressure Gradients and Flow Behaviors in a 16m High Gas-Solid Riser of CFB

本文针对国内炼油厂FCC装置的提升管反应器，提出了以五集总催化裂化反应动力学为基础的模型，并据此开发了相应的模拟软件。

A model of the transfer line reactor based on the lumped kinetic scheme for catalytic cracking is proposed for FCC units in the refineries in China .

热水型LiBr制冷机中两相流提升管的强化传热研究

Study on the Heat Transfer Enhancement of Two-Phase Flow Elevation Tube in LiBr Chiller with Hot Water Source

但是Gs对局部颗粒速度的影响仅局限于提升管底部和上部的边壁区，对局部颗粒速度径向分布的影响不如Ug的影响显著。

But the effects of Gs on local particle velocities are mainly restricted to the bottom region and the wall region of the upper section and , therefore , not so significant as the effects of Us .

当操作气速较低（Ug＜5.5m/s）时，由于颗粒的减速，河沙在提升管内轴、径向分布的不均匀程度比FCC要严重得多；

Under low gas velocity conditions (? g < 5.5m / s ), the axial and radial distributions of FCC are much more uniform than those of sand ;

在提升管反应器的油气分离系统中采用了美国UOP公司的涡流式快速分离系统（VDS）；

The vortex disengager system of UOP was adopted in the oil / gas separation system in the riser .

利用XTL-5型提升管中试装置，对LHO-1和CDC型重油裂解降烯烃催化剂的裂化性能进行了评价。

The properties of LHO-1 and CDC FCC catalysts were tested on XTL-5 riser pilot plant .

本文考虑4000m的深海采矿提升管，采用离心泵多级提升的方案。

In this paper , we consider a 4000 m deep-sea mining riser and adopt the lift program using multi-stage centrifugal pump .

当提升管内气体线速在6～20m／s时，冷态下的气固分离效率可达99%以上。

The total gas & solid separation efficiency under ambient temperature was higher than 99 % , when the gas linear velocity was in the range of 6-20 m / s.

增大Gs或减小Ug，提升管内任何位置的局部颗粒浓度都增大，径向不均匀性增大，截面平均颗粒浓度由直线型向单调指数型和梯形分布形式转变。

With increasing Gs or decreasing Ug , the local particle concentration in whole riser increases and , also , radial nonuniformity of particle concentrations increases , resulting in the transition of cross-sectional averaged particle concentrations from the uniform to the exponential and then the trapezium-shaped .

在提升管内表观气速一定的情况下随着循环量Gs的增加，提升管及立管内的压力分布也随之增大；

The results showed that the pressure gradient in the riser and standpipe was gradually decreased with the superficial gas velocity , while it was increased with the circulating rate at the constant superficial gas velocity .

在小型提升管催化裂化试验装置上，参照胜利炼油厂催化裂化装置的工艺条件，对新型降烯烃催化剂GORQ与该厂原用的ZC7000催化剂进行对比评价试验。

A newly developed GOR Q catalyst for reducing olefin content in FCC naphtha was evaluated in a laboratory scale riser FCC testing unit in comparison with the ZC 7000 catalyst originally used in the commercial unit .

在内径140mm，高10m的循环流化床提升管中，采用磷光颗粒示踪法对床内固体颗粒的停留时间分布进行了测定。

A novel phosphor particle tracer technique has been used to measure the solids residence time distribution ( RTD ) in the circulating fluidized bed riser of internal diameter 0.140m .

在10m高提升管中对空气-沙子体系的压力梯度进行系统测试，研究了粗重颗粒平均颗粒浓度sε的轴向分布及操作条件对它的影响。

The pressure gradients of air-sand two-phase flow in a CFB riser were systematically measured in a 10m high CFB riser to investigate the axial distributions of averaged solids holdups of coarse particles and the effects of operation conditions .

分析了FCC提升管反应器中的温度分布、催化剂活性变化和水存在的状况，以及这些因素对MTO反应的影响。

The possibility of the two processes ′ integration was proposed after analyzing various conditions in FCC riser reactor , namely temperature distribution , change of catalyst activity , existence of water , and effect of these parameters on MTO reaction .

本文应用双流体模型结合EMMS曳力模型，对T型突变出口提升管内两种工况的气固流动进行了二维模拟。

In this study , a2D two-fluid model combined with the EMMS drag model was used to simulate a bench-scale square cross-section riser with a T-abrupt exit .

在催化裂化（FCC）提升管反应器的出口处，通常设有快速分离设施，其作用是使反应油气与催化剂迅速分离，达到快速中止汽油裂化等不利的二次反应以提高反应选择性的目的。

In order to provide a quick seperation of reactor products and products and catalyst , s avoid the unfavorable secondary reaction such as gasoline cracking etc. and increase the selectivity of reaction process , a rapid seperator is generally installed at the outlet of FCC riser .

中国石油长庆石化分公司采用两段提升管催化裂化（TSRFCC）技术成功地对其催化裂化装置进行了改造。

The catalytic cracking unit in Changqing Petrochemical Branch Company , CNPC was revamped successfully by using of two-stage riser FCC ( TSRFCC ) technology .

在FCC提升管中，催化剂中细颗粒含量增加，必将减弱颗粒的径向混合能力进而降低径向上的传质、传热能力，对反应极为不利。

The agglomeration became serious when the solids fraction increased , leading to significant decrease in the solids radial mixing . When used in FCC reactor , FCC catalyst having too much fine particles will be harmful to mass and heat transfer , which is undesirable to the reaction .

对LCC-A多产丙烯助剂进行了小型固定流化床评价和中型提升管评价。

The test results for LCC-A promoter for producing more propylene on small-scale fixed fluidized bed and medium-scale fluidized bed apparatus were described .