Power sealing type vertical long shaft pump

Abstract

The invention discloses a power sealing type vertical long shaft pump. The power sealing type vertical long shaft pump comprises a motor base, wherein a motor is fixedly arranged on the upper side ofthe motor base; an observation chamber is fixedly arranged on the lower side of the motor base in a matched mode; a cooling chamber is fixedly arranged on the lower side of the observation chamber ina matched mode; a pump base is fixedly arranged in the cooling chamber in a matched mode; a first external connection pipe is fixedly arranged at the lower end of the pump base in a matched mode; a second external connection pipe is fixedly arranged at the lower end of the first external connection pipe in a matched mode; a backflow body is fixedly arranged at the lower end of the second externalconnection pipe in a matched mode; a filter screen is fixedly arranged on the lower side of the backflow body in a matched mode; a shaft body assembly is arranged in the first external connection pipeand the second external connection pipe; an auxiliary impeller assembly matched with the shaft body assembly is arranged in the cooling chamber; a cooling assembly matched with the auxiliary impellerassembly is arranged in the cooling chamber; a bearing part matched with the shaft body assembly is arranged in the observation chamber; and an impeller assembly is arranged in the backflow body in amatched mode. According to the power sealing type vertical long shaft pump, the working temperature of a sealing ring in the device can be reduced, the service life of the sealing ring is prolonged,the sealing effect is effectively improved, and the high reliability is achieved.

Description

Technical field[0001]The present invention relates to the technical field of pump equipment, and more particularly to a dynamic sealing vertical long-axis pump.Background technique[0002]Vertical long-axis pump is often used in tap water companies and sewage treatment plants and power plants and steel mills, and sometimes often used in municipal water drains and flood control and drainage projects, which belongs to a centrifugal pump, and the stability requirements at runtime Strong, to adapt to suction water, rainwater, have a liquid, sea water, etc., and the sealing property of the pump will have a greater impact on the face of higher temperatures, and the existing sealing vertical The long-axis pump lacks protection measures to the life of the sealing ring, poor sealing protection, the temperature is high, can soften the seal, the material will be hard in the case of temperature drop, and cracks have caused cracks, which reduces the overall seal. reliability.[0003]To this end, we ...

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Problems solved by technology

[0002] Vertical long-axis pumps are often used in water supply companies, sewage treatment plants, power plants and steel plants, and sometimes in municipal water supply and drainage, flood control and drainage projects. They are a type of centrifugal pumps and require more stability during operation. Strong, to adapt to the pumping of clean water, rainwater, corrosive industrial wastewater, seawater and other liquids; when faced with high temperature liquid suction, the sealing performance of the pump will be greatly affected, the existing sealed vertical The long shaft pump lacks protection measures for the life of the sealing ring, and is poor in sealing protection. High temperature will soften the sealing ring, and the material of the sealing ring will harden when the temperature drops, which will lead to cracks for a long time and reduce the overall sealing performance. reliability

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