An instant energy-saving vertical self-priming pump

Abstract

The invention discloses an instant energy-saving vertical self-priming pump. The instant energy-saving vertical self-priming pump is characterized in that a water inlet pipe and a water outlet pipe are arranged on the left and right sides of a pump body respectively; a liquid filling port is formed in the water inlet pipe; a valve is arranged on the liquid filling port; a water pressing chamber is formed on the upper part in the pump body, and a water sucking chamber is formed on the lower part in the pump body; an impeller chamber is positioned in the water pressing chamber; the impeller chamber consists of a side wall and a back cover; a plurality of fine through holes communicated with the water pressing chamber are formed in the back cover of the impeller chamber; a water sucking short pipe is arranged on the lower part of the impeller chamber; the water sucking short pipe is communicated with the water sucking chamber; the water outlet pipe is communicated with the impeller chamber; the water inlet pipe is communicated with the water pressing chamber; an impeller in the impeller chamber is fixedly arranged at one end of a pump shaft; the pump shaft is connected with a motor output shaft; a cylindrical upper sealing gland and a lower sealing gland are arranged outside the pump shaft from top to bottom in a sleeving way; a negative-pressure sealing device is arranged on the pump shaft. The instant energy-saving vertical self-priming pump is easy to operate, contributes to energy saving, is durable, and can be used instantly.

Description

technical field [0001] The invention specifically relates to a self-priming pump, in particular to a vertical self-priming pump. Background technique [0002] At present, due to the simple structure and convenient use of self-priming pumps, they are suitable for industries such as chemical industry, petroleum, pharmaceuticals, mining, papermaking, fiber, slurry, textile, food, power plants and municipal sewage projects, public facilities sewage, river pond breeding, etc. [0003] In the prior art, the common non-sealed vertical self-priming pump needs to rely on the auxiliary impeller to offset the pressure of the working impeller to form a seal. Due to the need for double impellers to work, the energy consumption ratio is high and not energy-saving. In addition, the self-priming pump needs to use the battery valve to drain the liquid after drawing the liquid. The self-priming time is long, and the solenoid valve is easily damaged. After the damage, it cannot self-prime and ...

AI Technical Summary

Problems solved by technology

[0003] Ordinary sealless vertical self-priming pumps in the prior art need to rely on the auxiliary impeller to offset the pressure of the working impeller to form a seal. Due to the need for double impellers to work, the energy consumption ratio is high and not energy-saving.

In addition, the self-priming pump needs to use the battery valve to empty the liquid after drawing the liquid from the filling port. The self-priming time is long, and the solenoid valve is easily damaged. After the damage, it will not be able to self-prime and easily cause idling.

In the prior art, the general mechanical seal of the vertical self-priming pump with seal is easy to leak and damage

Images