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A detachable double-channel closed impeller

A closed impeller and double-channel technology, which is applied to non-variable pumps, parts of pumping devices for elastic fluids, pump elements, etc., can solve problems such as blocking the impeller, achieve balanced axial force, and manufacture Convenience, the effect of preventing entry

Active Publication Date: 2019-02-19
BAOWU CHARCOAL MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the defects of the prior art, the application of the present invention provides a detachable double-channel closed impeller, which is an improvement scheme of a double-channel closed centrifugal pump used to transport asphalt liquid, and is used to solve the problem of liquid asphalt materials After cooling, solid pitch will form rapidly, which will block the impeller

Method used

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  • A detachable double-channel closed impeller
  • A detachable double-channel closed impeller
  • A detachable double-channel closed impeller

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Embodiment

[0049] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0050] A detachable double-channel closed impeller, the detachable double-channel closed impeller includes: a circular cover assembly 1 for forming the impeller double-channel cavity and an impeller body assembly 2, the impeller body assembly 2 includes a cover part And the liquid inlet sleeve in front of the cover part, the circular cover plate assembly 1 is detachably embedded in the cover plate part of the impeller body assembly 2 to form a seamless impeller double-channel cavity.

[0051] The circular cover plate assembly 1 includes: an embedded cover plate 101 for embedding in the cover plate portion of the impeller body assembly 2, a hub 102 for installation arranged on the embedded cover plate 101, and a hub 102 sleeved on the outer peripheral side of the hub 102 The rear mouth cup 103.

[0052] The cover part of the impeller body assembly 2 inc...

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Abstract

The invention discloses a detachable double-channel closed impeller. The detachable double-channel closed impeller is used for a double-channel closed centrifugal pump. The detachable double-channel closed impeller comprises a circular cover plate assembly 1 and an impeller body assembly 2 which are used for forming a double-channel cavity body of the impeller, wherein the impeller body assembly 2 comprises a cover plate part and a liquid inlet sleeve in front of the cover plate part; the circular cover plate assembly 1 is detachably embedded into the cover plate part of the impeller body assembly 2 to form a seamless double-channel cavity body of the closed impeller; a spiral channel in an axial direction and a spiral channel in a centrifugal direction are formed in the double-channel cavity body of the closed impeller; and the spiral channel in the axial direction is connected with the spiral channel in the centrifugal direction to form a spiral vertical channel. According to the detachable double-channel closed impeller disclosed by the invention, the purpose of rapid dredge for the double-channel closed impeller after being blocked can be achieved on the premise of guaranteeing the efficient running of the impeller, so that the blockage treatment time of the impeller is shortened to several minutes from several hours and even more than ten hours.

Description

Technical field: [0001] The invention relates to the field of centrifugal pump manufacturing, more specifically, to the manufacturing technology of centrifugal pump impellers. Background technique: [0002] The impeller of the centrifugal pump is driven by the shaft, and the liquid will be thrown from the center of the impeller to the edge to obtain a large amount of energy. There are three types of centrifugal pump impellers: closed, semi-open, and open. Among them, the closed impeller has the highest efficiency and the open impeller has the lowest efficiency. The structure of the existing closed impeller is shown in the background art diagram and the schematic diagram of the conventional closed impeller structure. The closed impeller consists of three parts: front end cover, rear end cover and blades. The three parts are cast as a whole by casting process. Although the closed impeller has the advantages of high efficiency, strong stability, and low vibration, it can only ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D29/22
CPCF04D29/2211F04D29/2222
Inventor 艾德跃孙伟方姚新星
Owner BAOWU CHARCOAL MATERIAL TECH CO LTD
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