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long shaft vertical submerged slurry pump

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 long shaft vertical submerged slurry pump

Generally, it works under the liquid level in the pool or pit, while the motor needs to be exposed above the liquid level. The design of the extended shaft can be customized, which is suitable for various working conditions with shallow or deep liquid level. This series of pumps is suitable for mining, metallurgy, electric power, enterprises, chemical industry, building materials and other industries, conveying abrasive and corrosive slurry containing solid particles, the weight concentration of solid-liquid mixture: mortar 45%, ore slurry 60%. A stirring impeller is installed at the bottom to rotate at a high speed to increase the concentration, and the guard plate under the water inlet is designed. Ordinary particles can generally be discharged smoothly through the water inlet through the volute and the outlet pipe, and basically there will be no blockage.

The main components are the pump casing, main impeller, shaft, pump rod, base and motor. The wet parts are made of high wear-resistant alloy, which has strong wear resistance and corrosion resistance. The main impeller is a semi-open impeller, which has good passing performance. The submerged slurry pump can be used vertically or inclined, and occupies a small area. The pump casing needs to be buried in the working medium, easy to start, and does not need to pump water. The direction of rotation is clockwise from the rear of the motor.

【—】Overview

1) The YW type submerged pump is a vertical single-stage single-suction centrifugal pump structure. This series of pumps has a semi-open impeller. There are stirring blades at the extension of the suction side of the impeller. It is reflux stirring during work and mechanically crushed to prevent clogging.

2) YZ type submerged slurry pump is a vertical single-stage single-suction cantilever centrifugal pump structure, the impeller is a semi-open impeller, and a stirring blade is provided at the extension of the suction side of the impeller.

The two series of pumps are mainly used in environmental protection, municipal engineering, thermal power plants, gas coking plants, oil refineries, steel plants, mining, papermaking, cement plants, food plants, printing and dyeing industries to pump thick liquid, heavy oil, and oil residue , dirty liquid, mud, mortar, quicksand and flowing sludge of urban sewage channels, as well as fluids containing mud, sand and slag, and corrosive liquids.

 Structure Description

1. YW type pump is a single-stage single-suction, submerged centrifugal pump. The hydraulic parts of the pump, the bearing body and the support plate are connected by connecting pipes. The liquid is discharged from the outlet pipe parts. The impeller is a semi-open impeller. The inlet extension is equipped with stirring blades, which can transport the medium containing particles. The long submerged depth of the pump is 8m. When the submerged length exceeds 1.5m, it is necessary to adopt a shaft connection structure, and a rolling bearing (grease lubrication) is installed near the shaft connection, and a coupling sleeve is used for connection. The rolling bearing under the pump is isolated from the liquid surface with a mechanical seal and does not touch the liquid. The pump bearing has enough rigidity to ensure the smooth operation of the pump, and if it operates in a deep well, a suction pipe can be added (specified in the contract).

2. The YZ pump is a single-stage, single-suction cantilever structure. The hydraulic parts of the pump are connected with bearing seats, support seats and connecting pipes. The liquid is discharged from the liquid outlet pipe parts. The impeller of the pump is a semi-open impeller. There is a stirring blade at the extension of the inlet. The main feature of the pump is that the pump shaft in the submerged part has sufficient rigidity. There is no bearing between the impeller and the pump casing, and no shaft seal is used. It can transport liquids containing large concentrations of solid particles. medium. The length of the pump inserted into the liquid is between 800-2000, if necessary, it can be equipped with a suction pipe. The shaft seal adopts a submerged pump inserted into the liquid to operate, without a shaft seal, and the transmission is installed on the motor support and support base by a vertical motor, and is connected with the pump by a coupling.

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