Single-pump-cover BB2 double-shell structure of liquid-phase circulating oil pump

• Main Authors: LI HUI, HAO YINGXU
• Format: Patent
• Language: Chinese; English
• Published: 03.12.2019
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model discloses a single-pump-cover BB2 double-shell structure of a liquid-phase circulating oil pump, belongs to the technical field of circulating oil pumps for diesel oil liquid-phase circulating hydrogenation devices (SHR), and particularly relates to an improvement of a horizontal two-end-supported high-temperature and high-pressure double-shell circulating oil pump (a BB2 type structure is changed into a double-shell structure) structure. The single-pump-cover BB2 double-shell structure of the liquid-phase circulating oil pump is simple in structure, convenient to disassemble, safe and reliable. The centrifugal pump comprises a pump body and a pump core, an inlet is formed in one side of the pump body, an outlet is formed in the other side of the pump body, the pump corecomprises a main shaft, a suction box body is arranged outside the main shaft, an impeller is arranged in the suction box body, an opening corresponding to the inlet of the pump body is formed in thesuction box body, and the