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High-efficiency and energy-saving combined self-sucking pump

A high-efficiency, energy-saving, combined technology, used in non-variable-capacity pumps, pumps, drive pumps, etc., can solve the problems of high safety hazards, short service life, low efficiency of self-priming pumps, etc., to achieve energy saving and superior performance indicators. , the effect of improving efficiency

Inactive Publication Date: 2013-04-24
江苏滔海机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of low efficiency, high energy consumption, easy damage to parts and short service life of self-priming pumps in the prior art, and high safety hazards in the use of long-axis submerged pumps, the present invention provides a self-priming pump with high efficiency and low energy consumption. Small, long service life, safe and reliable high-efficiency energy-saving combined self-priming pump

Method used

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  • High-efficiency and energy-saving combined self-sucking pump

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] like figure 1 As shown, a high-efficiency energy-saving combined self-priming pump includes a centrifugal pump and a liquid storage tank 20. The centrifugal pump includes a motor 1, a coupling 3, a pump body 14, a rotating shaft 26 and an impeller 19, and is arranged in the pump body 14. A shaft coupling 3, a rotating shaft 26 and an impeller 19 are arranged, and a motor base 2 is arranged above the pump body 14, and the motor 1 is arranged on the top of the motor base 2. The output shaft 15 of the motor 1 passes through the top of the pump body 14 and is connected with the rotating shaft 26 through the coupling 3 . The bottom of the rotating shaft 26 is equipped with an impeller 19 , and the impeller 19 is positioned above the bottom of the pump body 14 .

[0019] In order to strengthen the stability of the rotating shaft 26 and make the rotating shaft 26 rota...

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Abstract

The invention discloses a high-efficiency and energy-saving combined self-sucking pump which comprises a centrifugal pump and a liquid storage tank, wherein the liquid storage tank is connected with the centrifugal pump through a liquid conveying tube; the high-efficiency and energy-saving combined self-sucking pump is characterized in that: a liquid discharging tube which extends upward is arranged at the bottom of the centrifugal pump; a jet flow pump is arranged between an air suction opening of the liquid storage tank and the liquid discharging tube of the centrifugal pump; a liquid jet opening of the jet flow pump extends into the liquid discharging tube; and the liquid jet opening and the liquid discharging opening of the liquid discharging tube are in the same direction. By the high-efficiency and energy saving combined self-sucking pump, the problems that the self-sucking pump is low in efficiency, large in energy consumption and short in service life, parts of the self-sucking pump are easy to break and a long-axis submerged pump has higher safety potential hazard in the prior art can be solved; and the high-efficiency and energy-saving combined self-sucking pump is high in efficiency, low in energy consumption and long in service life and is safe and reliable.

Description

technical field [0001] The invention relates to a self-priming pump, in particular to a high-efficiency and energy-saving combined self-priming pump. Background technique [0002] The current external mixing self-priming pump is to add a liquid storage tank to the suction port of a centrifugal pump. During the self-priming process of this pump, the inhaled gas must be mixed with the transported liquid and transported out through the impeller of the pump. Cavitation will occur during the self-priming process, which will cause great damage to the impeller of the pump, and will damage the pump every time the pump is started. The other is the internal mixing self-priming pump. There is a gas-liquid separation chamber in the pump cavity and a return hole. Due to the influence of the return hole, the pump efficiency is generally 8%-10% lower than that of a general centrifugal pump. Among the internal mixing self-priming pumps, there is a sealless self-priming pump, which is seale...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D9/02
Inventor 缪希平李建秋
Owner 江苏滔海机械制造有限公司
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