Double-inlet double-outlet sand suction pump structure

• Main Authors: LIU LICHAO, LIU HEBING, QIAN FANFAN, YANG SONG, TAN MINGGAO
• Format: Patent
• Language: Chinese; English
• Published: 02.04.2021
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The invention discloses a double-inlet double-outlet sand suction pump structure which comprises a pump body and a pump shaft; two symmetrically-distributed pump cavities are formed in the pump body,the pump shaft horizontally penetrates through the two pump cavities at the same time, a vane wheel and an impeller are coaxially fixed to the portion, in each pump cavity, of the pump shaft, and theworking face of each impeller faces the corresponding vane wheel; an inlet pipe is installed in the position, located between each vane wheel and the corresponding impeller, of the bottom of each pumpcavity in a communicating mode, an outlet pipe is installed in the position, corresponding to the upper portion of each vane wheel, of the top of each pump cavity in a communicating mode, and the positions, located between the vane wheels and the impellers, of the pump shaft are coaxially and fixedly sleeved with connecting sleeves; the cavity wall of each pump cavity is provided with an annulargroove, and each connecting