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    • 8. 发明专利
    • Mixing device for mixing raw material and catalyst in fluid catalytic cracking device
    • 用于混合流体催化裂化装置中的原料和催化剂的混合装置
    • JP2013231093A
    • 2013-11-14
    • JP2012102399
    • 2012-04-27
    • Jx Nippon Oil & Energy CorpJx日鉱日石エネルギー株式会社
    • SHIMADA KOJISAITO NAOYA
    • C10G11/18
    • B01J8/245B01F5/048B01J8/003B01J8/004B01J8/085B01J8/12B01J8/1881B01J2208/00752B01J2208/00769B01J2208/00902B01J2208/00938C10G11/18
    • PROBLEM TO BE SOLVED: To provide a mixing device used in a fluid catalytic cracking device, having a high cracking rate despite its simple structure and facilitating maintenance.SOLUTION: A mixing device for mixing a raw material and a catalyst used in a fluid catalytic cracking device includes: a cylindrical reaction vessel 5 for supplying a catalyst S in the vertical direction; a plurality of raw material spraying nozzles 6a disposed along the external periphery of the reaction vessel 5; and a catalyst flow rectifier 7 disposed inside the reaction vessel 5 for rectifying a flow of the catalyst S in the vicinity of the raw material spraying nozzles. The catalyst flow rectifier 7 has no raw material supplying function, and forms a hollow cylindrical catalyst movement layer coaxially with the reaction vessel 5 in the vicinity of the raw material spraying nozzles 6a. Backflow of sprayed fuel can be effectively prevented by the catalyst flow rectifier.
    • 要解决的问题:提供一种用于流化催化裂化装置的混合装置,其结构简单且维护方便,开裂率高。解决方案:用于混合原料和用于流化催化裂化的催化剂的混合装置 装置包括:用于在垂直方向上供应催化剂S的圆柱形反应容器5; 沿着反应容器5的外周设置的多个原料喷嘴6a; 以及设置在反应容器5内的催化剂流动整流器7,用于对原料喷雾喷嘴附近的催化剂S的流动进行整流。 催化剂流动整流器7没有原料供给功能,并且在原料喷射喷嘴6a附近与反应容器5同轴地形成中空的圆柱形催化剂移动层。 可以通过催化剂流整流器有效地防止喷射燃料的回流。