提升管 riser 在流化催化裂化装置中，借助气体介质（空气、蒸汽或油气）的提升力将催化剂提升至高处所用的管子，由下而上依次为预提升段、进料段和裂化反应区，出口一般设置快速分离装置。
文章详细信息 关键词： 双循环流化床;颗粒循环流率;提升管;给风特性 [gap=1018]Keywords: dual circulating fluidized bed(DCFB);solids circulation rate;riser;air supply characteristics
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... Raising Oysters 饲养牡蛎 ; 牡蛎的快速增长 ; 提取牡蛎 raising pipe 提升管 derrick raising 起井架 ...
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The sulfur and olefins reduction and octane enhancement can be realized in gasoline riser. The gasoline quality can be satisfactorily upgraded.
结果表明,研制的FDFCC-Ⅲ专用催化剂具有较好的重油裂化能力,同时对降低焦炭产率和增产丙烯都具有显著的效果;在汽油提升管中可以同时实现汽油降硫、降烯烃和提高汽油辛烷值等目标,具有良好的汽油改质效果。
参考来源 - FDFCCThe experimental analysis results show that the gas and solids phases local flow structure of CFB riser are composed of dilute phase(continuous phase) and dense phase( discontinuous phase, cluster).
实验数据分析表明，循环流化床提升管中气、固两相的局部结构是由稀相为连续相、浓相(颗粒聚集物)为分散相组成的。
参考来源 - 小波分析和神经网络理论及其在气—固流化床中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
汽油硫含量沿提升管高度增加而逐渐降低。
Sulfur content of gasoline reduces gradually along the riser.
利用小型提升管催化裂化装置考察了提高原料掺炼量对催化裂化行为及产品主要性能的影响。
The influence of increasing vaccum residue in feedstocks on the performances and product properties of fluid catalytic cracking was investigated by using of a riser reactor pilot unit.
用该模型对在提升管再生器中的再生过程进行了模拟计算，分析了再生器中的温度场和速度场。
With this model, simulations were implemented for a riser regenerator, and the velocity field and temperature field in the regenerator were calculated and analyzed.
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