Open in single stage double suction pump and multistage double suction split the difference between the centrifugal pump

in the wide open pump is a kind of face a large number of general-purpose machinery and equipment, the main characteristics for medium to large flow, widely used in petroleum, chemical, electric power, metallurgy, mining, choose ship, light industry, agriculture, civil and defense departments. Split case pumps are mainly divided into two types: single stage double suction split case pumps and heads for the double suction impeller or head for single suction impeller in a multistage double suction centrifugal pump, so what's the difference between this two this?

single stage double suction split case pumps structure characteristics:

single stage double suction pump is a common in farmland irrigation and water conservancy engineering, petrochemical industry, fire engineering environment, such as use of horizontal single stage double suction centrifugal pump, transmission medium not containing solid particles and impurities and corrosive. Transmission medium temperature should not exceed 80 °, imported centrifugal pump pressure must not exceed 0. 6Mpa。 Unique structure is only one impeller but there are two port, thus increasing the flow of fluid conveying.

single stage double suction centrifugal pump in the pump body, pump cover, pump shaft, impeller, seal ring, bearing parts, shaft seals and other components, including impeller, sealing ring, shaft sleeve, sealing packing or machine is belong to wearing parts. Direction is flat into flat out of imports and exports, and in the lower part of pump shaft centerline. When such repairs to the pump doesn't need to remove the in and out of the gate and motor. Outside of the pump cover back to sink into the tube is sealed. 10 sh - 9 a double suction pump type USES is packing seal, special circumstances can use mechanical seal.

pump is open in the axial level structure, the pump inlet and outlet and the pump body to cast into an organic whole, convenient installation and maintenance of

high lift water pump chamber adopts double volute design; In multi-stage pump, using every adjacent two stage impeller to the respective pressure out of the room decorate a difference of 180 °, make balance of the radial force, to ensure the reliable operation of the pump, small vibration

the use of the finite element method for strength analysis, ensure the pressure pump body work cases, high intensity and small deformation. according to user requirements, using vertical or horizontal two assembly forms

single stage double suction open pump flow components in the three dimensional figure

a, open structure in the horizontal level, the suction and discharge nozzles are in pump seat, don't need to move the line when the pump repair, maintenance and installation of pump more convenient; B, double suction impeller, balance the axial force, resistance to cavitation performance improvement; C, the double volute type flow design balanced radial force; D, selection of sealing structure design; E, bearing configuration is simple and reliable.

multistage open in the double suction centrifugal pump structure characteristic:

open in multistage double suction centrifugal pump for two stage single-suction horizontal split-case centrifugal pump, the chemical and physical properties is suitable for conveying water or similar Yu Qingshui other liquid, the temperature of the medium to be delivered to - 20～80C。

a, horizontal level in the open structure of the suction and discharge nozzles on the pump seat, breathe, horizontal level. for the level of open structure, does not need to remove the import and export pipeline maintenance, uncovered the pump cover can repair parts to the rotor, pump more convenient maintenance, installation;

b, back-to-back impeller design, balance the axial force; Impeller adopts double suction type structure, to balance the axial force, used for conveying abrasive medium, with which has the function of desilting impeller impeller sealing ring, in order to protect the impeller is not wear, and significantly reduce the pump body sealing ring wear, all impeller static balance. Smooth line

c, double vortex flow design of shell balanced radial force; Impeller adopts symmetrical arrangement of structure, to balance the most hydraulic thrust.

d, vertical 1/2 of the sealing ring structure, more convenient installation of pump, to further ensure the dynamic balance of water pump, so that the pump is more stable and reliable operation.

e, advanced CFD analysis of flow field software combined with 3 d design reflects the high efficiency, energy saving;

f, according to the presence of cavitation asked to select an odd number of pump or idler structure.

g, the structure of the pump for export in the centre of the pump, so the sealing pressure for the pump head half the inlet pressure, ensure reliable sealing; According to the transmission medium of choice of different forms of seal and seal flush system. Shaft seal can be based on user require the use of packing seal or mechanical seal.

h, new bearing parts design makes bearing configuration is simple, reliable, bearing for rolling bearing, using the grease lubrication. When users need to, also can use thin oil lubrication.

The point for J&T INDUSTRY CO.,LTD. is that managerial processes are as important as other inputs in production and can create significant competitive advantage.
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