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Zhejiang Yitong Electromechanical Co., Ltd.

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11

2023

What is the fan

The fan is a machine that relies on the input of mechanical energy to increase the gas pressure and send the gas side by side. It is a kind of driven fluid machinery. Fans are widely used for ventilation, dust removal and cooling in factories, mines, trails, cooling towers, vehicles, ship tires and buildings, ventilation and air induction in silver furnaces and industrial furnaces, cooling in air conditioning equipment and household appliances, drying and selection of ventilation grains, wind tunnel air sources and inflation and propulsion of hovercraft, etc.

11

2023

Selection of Tunnel Fan

1. calculation of ventilation required in tunnel 2. calculation of total thrust required 1. Tunnel air inlet resistance and air outlet resistance 2. Tunnel surface friction resistance, resistance caused by suspension fan device, bracket and road sign, etc. 3. Traffic resistance 4. The resistance caused by the pressure difference between the entrance and exit of the tunnel due to different temperature, air pressure and wind speed

11

2023

How to repair the centrifugal fan

1. Wind wheel After the long-term operation of the centrifugal fan, the wind wheel will have different degrees of wear and some foreign matter due to corrosion from different gases. Some maintenance personnel found that the wind wheel was corroded and punctured, and the perforation was repaired with a book iron. However, after such maintenance, but when installing the fan, you will find that it cannot maintain balance. Some maintenance personnel concluded that the fan was not installed after the machine was disassembled or the fan could not be reinstalled. The reason is that the maintenance staff is working on the problem and the wind wheel is unbalanced. Each wind wheel is balanced when leaving the factory, because even if corrosion occurs, the wind wheel will move at high speed. The degree of corrosion of the entire rotor is the same or different. If the wind wheel is found to be unbalanced or corroded, you can see if the user is changing the wind wheel.

11

2023

Introduction of all-air high-pressure fan

Further understanding of fan knowledge The knowledge of the fan has been introduced a lot in front. I believe that if you pay more attention to the website, then the fan should be very familiar with, and have mastered a lot of knowledge in this area, whether the surface is enough, do not have to learn? Xiaobian think not, because the technology is constantly developing, knowledge is constantly updated, so we have to continue to learn to enrich themselves, in order to keep abreast of the dynamics of the fan industry, do not let yourself fall behind.

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