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Sichuan Shufeng Blower Manufacturing Co., Ltd. (brand "Shufeng") is an enterprise integrating design, research and development, manufacturing and sales. The enterprise carries out strict quality control and has passed the ISO9001:2015 quality system certification.
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GY4-73 boiler centrifugal fan

Classification:Centrifugal axial flow fan

There are many types of fans, generally: centrifugal, axial flow, and Roots blower.

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There are many types of fans, generally: centrifugal, axial flow, and Roots blower. General boiler lead, blower are centrifugal fan. The structure of the boiler guide and blower is the same, but the function and installation position are different.

The main structure of the boiler centrifugal fan is as follows:

Impeller: produce pressure head, transfer energy.

Shell: collect the gas from the impeller and lead it to the outlet to convert part of the kinetic energy of the gas flow into pressure energy.

Inlet damper: adjust the output of the machine to isolate the equipment from the system. (Also called deflector, some adopt frequency conversion technology, hydraulic coupler and regulator to adjust output,)

Large shaft: transmitting torque

Bearing: to bear the radial axial load of the rotor and limit the radial axial movement position of the rotor.

Backrest wheel: connecting motor, transmitting shaft power

Collector: in the case of minimal loss, so that the air flow evenly filled impeller inlet section.

Bearing box: device bearing, fill with lubricating fluid.

When the impeller of the centrifugal fan is driven by the motor to rotate, the gas filled between the blades rotates with the impeller. Under the action of centrifugal force, the gas is thrown out from the channels between the blades and the gas is transported out from the outlet of the impeller. When the outflow of gas causes a vacuum in the form of impeller space, the outside gas will automatically enter the impeller to supplement. Due to the constant work of the fan, the gas is sucked in and pressed out, forming a continuous flow of gas, thus forming a continuous work.

The induced draft fan has no difference from the perspective of the fan. It is driven by the motor to rotate the fan page of the fan to generate wind. Although it is more complicated than the electric fan, there is no difference in essence. The function of the draft fan is different from the location where they are installed. The former is located at the rear end of the boiler, blowing air to the flue outside the boiler, generating negative pressure on the furnace and guiding the flue gas, so it is called the draft fan; the latter is opposite It is located at the front end of the boiler and blows air into the boiler, so it is called a blower.

Keywords：GY4-73 boiler centrifugal fan

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