reactor riser

Static pressure distribution and relationship of gas holdup and liquid circulation velocity in reactor riser, downcomer and local zones are obtained by simulation.

通过模拟计算获得了反应器升、降流区及局部区域的静压分布、气含率和液体循环速度的变化规律。

Nonlinear mathematic model of riser reactor in some FCC units has been made.

首先介绍了建立某厂流化催化裂化装置(FCCU)提升管反应器部分的非线性数学模型,并选用通用模型表示不可测变量──催化剂循环量.

The temperature of gaseous oil, catalysts and the concentration distribution of products along the riser reactor height are predicted by applying the mathematical model developed in this paper.

运用建立的数学模型预测了不同工况条件下反应油气和催化剂颗粒温度沿提升管高度的分布和反应产物的浓度沿提升管高度的分布。

The latest progresses of residuum catalytic cracking reaction technology were introduced, such as millisecond catalytic cracking process, the technology of catalytic cracking with down flow reactor, two staged riser catalytic cracking process and the family technology of producing lower carbon olefin by residuum catalytic cracking.

介绍了渣油催化裂化工艺技术的最新进展，如毫秒催化裂化工艺、下行床反应器催化裂化技术、两段提升管催化裂化技术以及以多产烯烃为目的的催化裂化家族技术等。

Influence of height and diameter ratio, downcomer and riser area ratio, and reactor bottom gap height to reactor performance is analyzed, in addition, span of reactor bottom gap height is optimized.

分析了反应器高径比、降流区与升流区面积比及反应器底隙高度对反应器性能的影响，确定了反应器底隙高度的取值范围。

The device is mainly composed of a fluidized bed reactor, a riser regenerative heater, a stripper, a gas-solid separator and the like.

从待生剂汽提器引出的待生剂斜管中间设有待生控制阀，然后进入提升管再生加热器；

By cold-state experiment, we obtain the capability of gasifier, carry out the circulation employment of solid heat carrier, and investigate reactor and riser for the hot-state experiment.

继而通过在装置上的冷试，基本了解气化炉的性质，实现了固体的循环，考察了反应器和提升管系统，为实现热态试验打下了基础。

The reactor of two staged riser in series is developed into a new type of riser reactor with improved efficiency.

两段串联提升管反应器是为适应两段提升管催化裂化新工艺技术而研究开发的一种新型高效反应器。