Double-inlet horizontal split centrifugal pump

A horizontal split, centrifugal pump technology, applied in the field of centrifugal pumps, to achieve the effect of convenient operation, convenient layout and installation, and symmetrical impeller structure

Inactive Publication Date: 2016-11-16
湖南长一泵业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still room for improvement in the head and flow rate of the split pumps in the existing technology. High head and large flow have always been hot spots in the industry.

Method used

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  • Double-inlet horizontal split centrifugal pump
  • Double-inlet horizontal split centrifugal pump
  • Double-inlet horizontal split centrifugal pump

Examples

Experimental program
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Effect test

Embodiment Construction

[0016] The present invention will be further described below by specific examples.

[0017] A double-inlet horizontal split centrifugal pump, as attached figure 1 And attached figure 2 As shown, it includes the pump body 1 and the pump cover 2. The pump body and the pump cover are sealed by the packing gland 3. There is a water suction port at both ends of the same side of the pump body, and the water outlet is on the other side of the pump body. And located in the center of the axial direction, the pump is equipped with a first-stage double-suction impeller and a second-stage impeller inside the pump. The rings 4 and 5 are fixed, and the two first-stage double-suction impellers are arranged back to back.

[0018] Wherein, double guide vanes 6 and 7 are arranged inside the pump cover, the guide vanes are symmetrically distributed along the vertical central axis, and the guide vanes are provided with guide vane sleeves 8 .

[0019] Wherein, the cavity formed by the pump bod...

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PUM

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Abstract

The invention discloses a double-inlet horizontal split centrifugal pump. The double-inlet horizontal split centrifugal pump comprises a pump body and a pump cover; and the pump body and the pump cover are sealed through a filler gland. The double-inlet horizontal split centrifugal pump is characterized in that water sucking ports are respectively formed in two ends of the same side of the pump body; a water outlet is formed in the other side of the pump body, and is positioned in the axial center; primary double-suction impellers and a secondary impeller are arranged in the pump; the water sucking ports are connected with the primary double-suction impellers; the primary double-suction impellers are connected with the secondary impeller; the primary impellers and the secondary impeller are fixed through a sealing ring; and the two primary double-suction impellers are arranged back to back. The centrifugal pump is equivalent to two double-suction pumps connected in parallel for synchronously working; under the same outer diameters of the double-suction pump impellers, the flow lift can be increased by one time; the inlet and the outlet are in the same direction, and are perpendicular to the pump shaft, so that the arrangement and the installation of the pump and the water inlet and outlet pipes are facilitated; and the impellers are symmetrically structured without axial force, and are stably operated.

Description

technical field [0001] The invention relates to the field of centrifugal pumps, in particular to a double-inlet horizontal split centrifugal pump. Background technique [0002] Split pump is a general-purpose mechanical equipment with a large number of fields. It is widely used in petroleum, chemical industry, electric power metallurgy, mining, ship selection, light industry, agriculture, civil and national defense departments, and plays an important role in the national economy. status. The main feature of the split pump is that the flow rate of the conveying medium is large. The working principle of the lift split pump operation: the impeller is installed in the pump casing and fastened to the pump shaft, and the pump shaft is directly driven by the motor. There is a liquid suction in the center of the pump casing to connect with the suction pipe. The liquid enters the pump through the bottom valve and the suction pipe. The liquid discharge port on the pump casing is co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D1/08F04D29/42F04D29/20
CPCF04D1/08F04D29/20F04D29/426F04D29/4273
Inventor 吴哲
Owner 湖南长一泵业有限公司
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