Vertical type fluidized bed and system for preparing catalyst

• Main Authors: SHI XUEJUN, YU HAIPENG, WU LIYANG, WU DAOHONG, HUANG WEI, SU ERQIANG, QI WENFANG, ZHENG QINGQING
• Format: Patent
• Language: Chinese; English
• Published: 12.09.2017
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

The invention provides a vertical type fluidized bed and a system for preparing a catalyst. The vertical type fluidized bed comprises a fluidized bed body, a material feeding device, a spraying device, a gas feeding device and a material discharging device, wherein the material feeding device, the spraying device, the gas feeding device and the material discharging device are arranged on the fluidized bed body; the fluidized bed body comprises a fluidization section and an expansion section; the diameter of the expansion section is greater than that of the fluidization section; the expansion section is located above the fluidization section; the material feeding device and the spraying device are arranged on the fluidization section; the material feeding device is located above the spraying device; the gas feeding device is located below the fluidization section; the material discharging device is located below the gas feeding device; the gas feeding device is connected with the fluidization section and the m