Composite jet flow self-priming pump

• Main Authors: ZHOU QIWEI, FANG KAIYUE, YANG XUELONG, ZHU CHENBING, ZHANG WANYUN, ZHANG SUO
• Format: Patent
• Language: Chinese; English
• Published: 24.10.2023
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BYUSING INERTIA OF FLUID TO BE PUMPED; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; SIPHONS; WEAPONS

The utility model discloses a composite jet flow self-priming pump which comprises a pump body with a pump cavity inside, an impeller arranged in the pump body and a motor arranged on the rear portion of the pump body and used for driving the impeller to rotate, a water inlet is formed in the front portion of the pump body, a water outlet is formed in the top of the pump body, and a flow guide body used for dividing the pump cavity into a liquid storage cavity and a booster cavity is arranged in the pump body. The water outlet is communicated with the stored liquid, the impeller is located in the pressurizing cavity, a diffusion pipe coaxial with the impeller is fixed to the terminal of the flow guide body, the diffusion pipe, the second throat pipe and the first throat pipe are communicated with the pressurizing cavity, and a center nozzle and an annular nozzle which are connected with the first throat pipe and the second throat pipe are fixed in the liquid storage cavity. And the annular nozzle and the cent