Closed vortex pump features

Closed vortex pump is a kind of vortex pump, the most prominent feature of this pump in the vortex pump is the vane groove with an intermediate partition, so closed vortex pump What are the characteristics? Below To tell you about the characteristics of closed vortex pump. Closed vortex pump features (1) Closed self-priming pump does not self-priming, does not apply to gas-liquid mixed transport. The inlet gas is mixed with the liquid into the vane groove. Due to the different density of liquid and gas, the liquid with high density is thrown to the outside of the vane groove and the flow channel under the action of centrifugal force. The gas stays in the root of the vane groove and flows out from the outlet on the outlet side. The gas in the root of the blade groove returns to the inlet with the impeller, and the exhaust can not be realized. Closed vortex pump in order to have self-absorption capacity, the need to add an auxiliary device on the outlet side, making the flow to the root of the blade groove vent gas, and gas-liquid separation and liquid backflow structure. (2) closed vortex pump cavitation performance is poor. The inlet flow from the outer edge of the impeller to the root of the blade groove, uneven distribution of velocity, the impact of larger, so closed vortex cavitation performance as open vortex pump. (3) closed vortex pumps are generally single or two. (4) Closed vortex pump efficiency is generally 35% to 45%, higher than the open vortex pump. Extended reading: Top ten brands of motor China Construction Water Exhibition Pump manufacturers ranked ptc exhibition industry Internet (Xiamen) Technology Co., Ltd. Asia Pump Network Editor: He Daohui (QQ / WeChat:) http://beng.liuti.cn/ (service Hotline:)

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