Efficient high-pressure horizontal multi-stage centrifugal pump

A centrifugal pump and high-pressure technology, applied in the field of centrifugal pumps, can solve the problems of complex structure, difficult maintenance, low efficiency, etc., and achieve the effects of improving cavitation performance, compact overall structure, and improving reliability.

Inactive Publication Date: 2007-11-14
JIANGSU UNIV
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Problems solved by technology

[0003] In order to solve the problems of low efficiency, complex structure and difficult maintenance in the prior art, the present invention provides a high-efficiency high-pressure horizontal multi-stage centrifugal pump, which is composed of water inlet and outlet parts - water inlet section, water outlet section, hydraulic components for energy conversion - First-stage impeller, guide vane, middle section, secondary impeller, axial force automatic balance device-sliding bearing (discharge section), balance hub-bearing, wear-resistant ring, balance disc, return pipe, supporting parts-sliding bearing (suction sectio

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  • Efficient high-pressure horizontal multi-stage centrifugal pump

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Embodiment Construction

[0007] The present invention is used as a high-pressure pump (2 sets, flow rate 220m 3 / h, head 600m, single-stage head 100m, six-stage pump), as shown in Figure 1, it is composed of water inlet and outlet parts, hydraulic parts for energy conversion, axial force automatic balance device, support parts, mechanical seal parts and connections components.

[0008] The water inlet and outlet components include: a water inlet section 2 and a water outlet section composition 19 . It mainly plays the role of water inlet guide and outlet water collection.

[0009] The hydraulic components for energy conversion include: primary impeller 3 , guide vane 4 , middle section 8 , and secondary impeller 9 . The first-stage impeller 3 and the secondary impeller 9 function to convert energy, so that the transported liquid can obtain energy; the guide vane 4 collects the liquid, converts kinetic energy into pressure energy, and introduces the liquid into the next-stage impeller or the outlet s...

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Abstract

An efficient high-pressure horizontal multi-stage centrifugal pump belongs to centrefugal pump technology field concluding indraft section, middle sect, guild blade, impeller, pump axle, water lubricate bearing, outlet sect, axial force balancing mechanism and seal etc. Its character is that indraft of the pump layouted radial is different from all preceding editions, so that it greatly improves the efficiency of the impeller and the hydraulic pump cavitation performance. The pump adopts water lubrecate bearing installed in wterpower components interor; the lubrecate bearing closed to the outlet be considered a balance hub cmbines with balacing tray to a auto balacing mechanism. The pump needed a seal is compact and have one axle body because of adopting water lubrecate bearing. Its advantage is: less friction, high efficiency, reliability, and vulnerability of small,ease of rapid entry. The present invention applies to all occasions conveyor cleaning liquid.

Description

technical field [0001] The invention belongs to the technical field of centrifugal pumps, and in particular relates to a high-efficiency high-pressure horizontal multistage centrifugal pump, which is mainly used to provide seawater reverse osmosis high-pressure energy in reverse osmosis seawater desalination production devices with a level of more than 10,000 tons, and can also be applied to the transportation of clean media . Background technique [0002] The power consumption of the high-pressure pump providing reverse osmosis pressure in the reverse osmosis seawater desalination production device accounts for 70% of the power consumption in the entire water production process. Therefore, the efficiency of the high-pressure pump directly affects the price of seawater desalination per ton of water, and Most of the production devices are left unattended and have no professional equipment maintenance and repair personnel. As a result, the requirements for pump efficiency, rel...

Claims

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Application Information

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IPC IPC(8): F04D13/14F04D29/42F04D29/046F04D29/06F04D29/66
Inventor 胡敬宁叶晓琰石海峡何玉杰
Owner JIANGSU UNIV
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