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Adjustable flow peripheral pump

A technology of flow regulating device and vortex pump, which is applied in the direction of non-variable pump, pump control, machine/engine, etc., can solve the problems of vortex pump power increase, uneconomical economic point of view, vortex pump disadvantage, etc., and reach the starting current Reduced effect

Inactive Publication Date: 2005-02-09
天津鼎成高新技术产业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the flow regulating device is installed on the pipeline to change the water supply of the vortex pump, the power of the vortex pump will increase relatively when the water volume becomes smaller, which is unfavorable for the operation of the vortex pump. From an economic point of view It's not worth it

Method used

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  • Adjustable flow peripheral pump
  • Adjustable flow peripheral pump
  • Adjustable flow peripheral pump

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Experimental program
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Embodiment Construction

[0020] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:

[0021] see figure 1 , figure 2 , image 3 The vortex pump is composed of a pump body 10, a pump cover 6, a pump frame 7, and blades 11. The motor 9 and the pump frame of the vortex pump are directly fixed by bolts, omitting the support parts usually installed on the pump body and the parts connected to the motor. Parts such as components and couplings shorten the length of the unit. The impeller of the vortex pump in the pump body is directly installed on the motor shaft 14, and the impeller can move freely axially on the motor shaft to ensure that the two sides of the axial gap between the impeller, the pump body and the pump cover are equal to balance the left and right sides of the impeller. The axial force generated by the right cavity due to pressure imbalance. A water outlet flange 1 and a water inlet flange 4 are arranged on the vortex ...

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PUM

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Abstract

The flow rate adjustable vortex pump features that there is one installed flow rate regulator capable of making the water inlet hole and the water outlet hole of the vortex pump communicated with the water outlet and the water inlet separately and making the water inlet hole and the water outlet hole communicated or blocked. The present invention can regulate the operation state of the vortex pump without altering the pipeline characteristic curve. Compared with common throttle method for flow rate regulation, the present invention has smaller power, and can drive vortex pump with relatively small power and reduced starting current to protect motor and control element.

Description

[0001] Field [0002] The invention belongs to vane pumps, in particular to a flow-adjustable vortex pump. Background technique [0003] At present, the vortex pumps commonly used at home and abroad do not have the function of regulating the flow rate. For the adjustment of the vortex pump, the flow adjustment device of the vortex pump is generally connected to the output pipeline of the vortex pump (that is, the throttling method is used to adjust the flow rate) to realize the flow adjustment of the vortex pump, such as domestic W, WG type vortex pumps, foreign Japanese Nico The series of vortex pumps produced and designed by Nigerian company do not have the function of flow regulation. [0004] The vortex pump uses an electric motor as its prime mover, and its speed is constant, so its performance is also constant, that is, it has a fixed performance curve. When the flow regulating device is installed on the pipeline to cha...

Claims

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Application Information

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IPC IPC(8): F04D15/00
Inventor 沈延康陈飞杨小玲景海斌
Owner 天津鼎成高新技术产业有限公司