A volute guide vane

A technology of guide vanes and volutes, applied in the field of volute guide vanes, can solve the problems of sewage and sewage submersible electric pumps that cannot realize multi-stage pump structure, low solid particles passing capacity of guide vanes, weak solid particles passing capacity, etc. To achieve the effect of improving the passing ability, strong passing ability, and reducing the passing resistance

CN102913485BActive Publication Date: 2015-07-29遵义海立水泵制造有限责任公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2015-07-29

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Abstract

The invention discloses a volute type guide vane. The volute type guide vane mainly comprises a guide valve casing, a middle plate, a water baffle plate, a volute chamber and a water outlet chamber. The guide vane is of a tubular structure, the middle plate is arranged in the guide vane casing to divide the same into the water outlet chamber and the volute chamber, the middle plate is provided with a hole in the middle, the water outlet chamber is provided with a water inlet on the guide vane casing, the volute chamber is provided with a water outlet on the guide vane, the water baffle plate is arranged in the water outlet chamber and extends from the water inlet to the center of the water outlet chamber, and the inner wall of the volute chamber is an arc-shaped surface or a spiral curved surface. By the volute type guide vane, efficiency of a clean water pump and a sewage pump is improved, the sewage and waste pump can be of a multi-stage pump structure on the premise of guaranteeing solid particle passing capability, and lift of the sewage and waste pump is improved greatly so as to realize substantial breakthrough.
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Description

technical field

[0001] The invention relates to the field of pumps. Background technique

[0002] The submersible electric pump is an organic combination of the pump and the motor. It is mainly divided into two types according to the transported medium: the submersible electric pump for pumping sewage and sewage containing solid particles and the small submersible electric pump for pumping clean water (commonly known as clean water pump) . Since the guide vanes used in the prior art mostly consist of a plurality of blades extending from the middle hole to the outer edge, and such a setting will make the cross-sectional area of ​​the water flow channel smaller, the resistance of the water flow through it will be greater, and the efficiency will be lower. , which seriously restricts the passing ability of solid particles.

[0003] Since the sewage and sewage submersible electric pump requires the examination of the passing capacity of solid particles, guide vanes with low pa...

Examples

Embodiment Construction

[0018] The technical solution of the present invention is further described below in conjunction with the accompanying drawings, but the scope of protection is not limited to the description.

[0019] Such as figure 1 , figure 2 The volute guide vane shown is mainly composed of a guide vane shell 1 , an intermediate plate 5 , a water retaining plate 2 , a volute chamber 6 , and a water outlet chamber 3 . The guide vane casing 1 is a tubular structure, and the middle plate 5 divides the guide vane casing 1 into the water outlet chamber 3 and the volute chamber 6 inside the guide vane casing 1. There is a hole in the middle of the middle plate 5, and the water outlet chamber 3 is connected to the guide vane casing 1 There is a water inlet 4 on the top, the volute chamber 6 is provided with a water outlet 7 on the guide vane shell 1, and the water outlet chamber 3 is provided with a water baffle 2 extending from the water inlet 4 to the center of the water outlet chamber 3 .

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