Environment-friendly reliable type pump for water treatment system

Abstract

The invention provides an environment-friendly reliable type pump for a water treatment system. The environment-friendly reliable type pump comprises a rotor part, wherein a first through hole is formed in the upper end cover of the rotor part; a cooling tube which extends along length of a protective tube is arranged in the protective tube; a second through hole is formed in a guide shell; a third through hole is formed in a lower bearing base; a ring of ring-shaped slots is formed in the inner side surface of the lower bearing base; a fourth through hole is formed in a lower bearing; the first through hole, the cooling tube, the second through hole, the third through hole, the ring-shaped slots and the fourth through hole are in communication in sequence; the guide shell, the protectivetube, the upper end cover and the inner part of a sealing cover are in communication; a fifth through hole which communicates with the inner part of the sealing cover is formed in the sealing cover; alubricating / cooling / flushing cavity capable of circulating liquid independently is formed, so that the pump has effects of independently isolating, lubricating, flushing and cooling, and different media can be pumped, and therefore, the environment-friendly reliable type pump is safe, clean, multi-purpose, energy-saving and long in service life; moreover, the water pump is a structure capable ofdrawing a core, and facilitates mounting and dismounting; and a pump mounting plate is arranged outside a water outlet section in a sleeving mode, and a mounting position of the motor bracket is arranged on the water outlet section, so that length of a pump shaft is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of a pump for an environment-friendly and reliable water treatment system, in particular to an environment-friendly and reliable pump for a water treatment system. Background technique [0002] In the current existing water treatment systems, especially in various industrial, mining, living, aquaculture and other sewage treatment systems, when the sewage treatment system process requires the use of low-lift, high-flow medium flow for the circulation of sewage medium or During decomposition and oxidation, most of the pumping devices used are submersible pumps and axial flow pumps. Because the motor sealing and leakage problems of submersible pumps are difficult to solve, and the pumped medium has a greater impact on the motor, axial flow pumps are more commonly used in water treatment systems. [0003] In the prior art, thrust bearings, rolling bearings and sliding bearings are often used as auxiliary suppor...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, thrust bearings, rolling bearings and sliding bearings are often used as auxiliary support bearings for axial flow pumps. For thrust bearings, axial flow pumps must be equipped with additional lubricating oil or grease systems, and the pumping medium cannot be directly used as lubricating fluid. , for rolling bearings, axial flow pumps need to be equipped with mechanical seals, and there are certain difficulties in setting the sealing of rolling bearings and the flushing of mechanical seals. The structure of axial flow pumps using thrust bearings and rolling bearings is more complicated and difficult to handle, while for sliding bearings , the pumping medium can be used as a lubricating fluid and can be unsealed. Therefore, most axial flow pumps use sliding bearings, but the pumping medium is directly used as a lubricating fluid, and the bearing is not independently isolated and lubricated, flushed and cooled. If the medium contains a large amount Impurities such as sediment or hard particles, these impurities will directly grind the bearing, therefore, it is easy to cause damage to the bearing, and make the pump vibration and noise during operation, which reduces the impact of the pump, and because of the impact of its structure, causing It is difficult for water pumps to pump high-temperature or low-temperature media, media containing a large amount of impurities such as sediment or hard particles, thus limiting the scope of application of the pump

In addition, the existing motor installation is separated from the pump body, resulting in a longer drive shaft of the axial flow pump, which reduces the stiffness of the shaft, increases the vibration of the pump during operation, increases the damage speed of the bearing, and consumes less power. Large, reducing the service life of the pump

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