Centrifugal compressor and impeller thereof

A centrifugal and air compressor technology, applied in mechanical equipment, non-variable pumps, machines/engines, etc., can solve the problems of impellers being difficult to locate precisely, and achieve the effects of improving performance and simplifying installation and positioning

Active Publication Date: 2015-12-16
SHENZHEN WISDOM ENERGY TECH CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, precise positioning between the imp

Method used

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  • Centrifugal compressor and impeller thereof
  • Centrifugal compressor and impeller thereof
  • Centrifugal compressor and impeller thereof

Examples

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Embodiment Construction

[0015] Before describing the embodiments in detail, it should be understood that the present invention is not limited to the detailed structures or arrangements of elements described herein below or in the accompanying drawings. The present invention can be an embodiment implemented in other ways. Also, it should be understood that the phraseology and terminology used herein are for descriptive purposes only and should not be interpreted as limiting. The terms "including", "comprising", "having" and similar expressions used herein are meant to include the items listed thereafter, their equivalents and other additional items. In particular, when "a certain element" is described, the present invention does not limit the number of the element to one, but may also include a plurality.

[0016] figure 1 It is a schematic cross-sectional view of a partial structure of an embodiment of a centrifugal compressor, figure 2 yes figure 1 Enlarged view of the middle ring flange, ima...

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Abstract

The invention discloses a centrifugal compressor. The centrifugal compressor comprises a centrifugal type impeller and a pressure expander; the centrifugal type impeller comprises a hub and a plurality of blades, wherein the hub can rotate around the axis and is provided with an arc-shaped flow way face, and the blades are arranged on the arc-shaped flow way face; each blade extends to a flow way outlet of the hub from a flow way inlet of the hub, and the pressure expander surrounds the flow way outlet of the hub; an annular flange is arranged on the flow way outlet of the hub and protrudes out of tips of the blades in the radial direction; the annular flange is provided with a flange surface in smooth connection with the flow way face, and the pressure expander is provided with a flat surface perpendicular to the axis; and the flat surface of the pressure expander is flushed with the radial outermost side on the surface of the flange.

Description

technical field [0001] The invention relates to a centrifugal compressor, in particular to an impeller of the centrifugal compressor. Background technique [0002] Centrifugal compressors include impellers, diffusers, and wheel covers. The impeller generally includes a hub and several blades arranged on the hub, and the wheel cover is positioned axially relative to the impeller. The tip of the blade is generally flush with the annular edge of the outlet end of the hub. During the handling process, if it collides with other components, it is very likely to damage the blade. Moreover, during operation, due to reasons such as vibration or bearing failure, the edge of the impeller may collide with other components, such as the diffuser, which may also cause damage to the blade. Therefore, in order to prevent the above-mentioned collision due to some abnormal reasons during operation, the existing technology is to form a larger gap between the diffuser and the impeller to ensu...

Claims

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Application Information

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IPC IPC(8): F04D29/28F04D29/44
Inventor 王志强黄子彬
Owner SHENZHEN WISDOM ENERGY TECH CO
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