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Large-scale high and middle pressure full plastic centrifugal fan

A centrifugal and ventilator technology, applied in mechanical equipment, non-variable pumps, machines/engines, etc., can solve the problems of high price and complex structure, achieve good corrosion resistance, ensure welding quality, ensure disassembly and neutral effect

Active Publication Date: 2009-04-15
ALIBEI PLASTIC STORAGE TANK ANSHAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are large plastic fans abroad, but the structure is relatively complicated and expensive

Method used

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  • Large-scale high and middle pressure full plastic centrifugal fan
  • Large-scale high and middle pressure full plastic centrifugal fan
  • Large-scale high and middle pressure full plastic centrifugal fan

Examples

Experimental program
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Effect test

Embodiment Construction

[0018] The present invention will be described in detail below with reference to the accompanying drawings.

[0019] The large-scale high and medium pressure all-plastic centrifugal fan of the present invention is composed of a fan casing 1, an impeller 4, a wheel hub, a transmission device and a frame. The fan casing 1 is volute-shaped and is composed of an air inlet 2 and an air outlet 3, and has an impeller 4 inside. The transmission device is connected to the pulley 7 by the motor 10 to drive the transmission shaft 6 to connect to the impeller 4 to rotate simultaneously. The air inlet 2 is in the axial direction of the transmission shaft 6, the air outlet 3 is on the upper part of the fan, and is covered with a protective cover 13 to prevent foreign matter from entering, a bearing seat 11 is fixed on the bracket 5, a belt 9 is hung on the pulley 7, and the outer cover belt cover 8, The whole blower fan is placed on the base with shock absorber 12.

[0020] The centrifuga...

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Abstract

The invention discloses a large-scale high, medium pressure all-plastic centrifugal fan and relates to a fan. The fan consists of a polypropylene fan casing, a polypropylene impeller, a polypropylene hub, a driving device and a frame; the fan casing (1) is internally provided with the impeller (4) and is also provided with a wind inlet (2) and a wind outlet (3); the output shaft of a motor is connected with a pulley (7), connects one end of a driving shaft (6) with the impeller (4) by a bearing pedestal (11) which is fixed on a bracket (5), and causes the key-part, impeller, of the fan to increase metal liner plate and adopts processes such as thermofussion welding, hot air extrusion welding, and the like, thereby ensuring the overall strength and stiffness of the fun so as to improve the corrosion resistance performance of the fan and prolong the service life. In a fan which is applied in a cold-rolled steel pickling line and an acid regeneration ventilation system, the service life of the fan is far longer than that of an ordinary fan.

Description

technical field [0001] The invention relates to a ventilator, in particular to a large-scale high and medium pressure all-plastic centrifugal ventilator, which can be applied to cold-rolled steel pickling lines and acid regeneration ventilation systems to improve its corrosion resistance and increase its service life . Background technique [0002] Large centrifugal fans with corrosion resistance, high wind pressure and high air volume are important equipment for cold-rolled steel pickling lines and acid regeneration production lines. The body is plastic, the impeller is glass fiber reinforced plastic) and metal titanium fan. There are large plastic fans abroad, but the structure is relatively complicated and expensive. Contents of the invention [0003] The purpose of the present invention is to provide a high- and medium-pressure fan with an all-plastic structure, and add a metal lining plate to the impeller, the key component of the fan, and adopt processes such as ho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D25/08F04D29/42F04D29/30F04D29/02F04D29/62
Inventor 郑世义
Owner ALIBEI PLASTIC STORAGE TANK ANSHAN
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