Method for eliminating industrial fan wing tip stall

A fan and industrial technology, which is applied in the field of eliminating the stall of the tip of the industrial fan, can solve problems such as the stall of the tip of the industrial fan, and achieve the effect of reducing the possibility of stall and keeping the inclination angle consistent.

Inactive Publication Date: 2021-07-06
南京科威环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a method for eliminating the stall of the industrial fan's wing tip, which has the advantages of eliminating the stall of the industrial fan's wing tip, and solves the problem of the stall of the industrial fan's wing tip

Method used

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Embodiment

[0020] Embodiment: the method for eliminating industrial fan wing tip stall, comprises the following steps:

[0021] 1) Use aluminum alloy to make the blades of industrial fans, use molds to cast aluminum alloy blades, the blades and the mounting ring adopt an integrated structure, and the inclination angle of each blade is consistent to obtain the fan blades;

[0022] 2) Make the empennage. The empennage is casted with aluminum alloy, and its exterior is streamlined to make the wind-breaking empennage;

[0023] 3) Fix the wind-breaking tail on the fan blades, check and repair the wind-breaking tail and fan blades regularly, and test the normal use of the equipment;

[0024] 4) The problem of industrial fan wing tip stalling has been solved.

[0025] Preferably, as described in step 3, the wind-breaking tail is fixed on the fan blade, and the wind-breaking tail and the fan blade are regularly overhauled to test the normal use of the equipment. Whether the installation of the...

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PUM

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Abstract

The invention relates to the technical field of industrial fans, and discloses a method for eliminating industrial fan wing tip stall. The method comprises the following steps of manufacturing blades of an industrial fan by using aluminum alloy, casting the aluminum alloy blades by using a mold, adopting an integrally formed structure for the blades and a mounting ring, and enabling the inclination angles of the blades to be consistent, so as to manufacture fan blades. According to the method for eliminating the industrial fan wing tip stall, the blades of the industrial fan are made of the aluminum alloy, the aluminum alloy blades are cast through the mold, the blades and the mounting ring are of the integrally-formed structure, the inclination angles of the blades are consistent, the fan blades are manufactured, a tail wing is manufactured, the tail wing is cast through the aluminum alloy, the exterior of the tail wing is in a streamline shape, and a wind breaking tail wing is manufactured. The wind breaking tail wing is fixed on the fan blades, the wind breaking tail wing and the fan blades are overhauled at regular time, the normal use condition of equipment is tested, the fan blades manufactured by casting through the mold can ensure that the appearances and the inclination angles of the blades are consistent, and the possibility of stall during rotation is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of industrial fans, in particular to a method for eliminating stall at the tip of an industrial fan. Background technique [0002] Industrial fans, streamlined fan blades manufactured by applying aerodynamic principles and advanced technology, can drive a large amount of air with only 1.5KW or less power, generate a large-area natural breeze system, and play the dual functions of ventilation and cooling. Compared with traditional HVAC and small high-speed fans, it has unparalleled application advantages, and it can be called a perfect solution for ventilation and cooling in large spaces. [0003] For the formation of cooling fan rotation stall, the structure and size of the impeller of the fan are designed according to the rated air volume (CFM). When the cooling fan works at normal air volume (CFM), the direction of gas entering the impeller is consistent with the installation angle of the blade air volume ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/02F04D29/26F04D29/60F04D27/00
CPCF04D29/023F04D29/26F04D29/601F04D27/001F04D27/002
Inventor 许卫华胡喜朝
Owner 南京科威环保科技有限公司
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