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The classification of rounding the fan

Release date:2015-11-25 00:00 Source:http://www.zqlcfj.com Views:

  Can divide several kinds of fan by using the material classification, such as iron shell (ordinary fan), glass fiber reinforced plastic fan fan, plastic, aluminum, stainless steel fan fan fan, and so on Fan can classification according to the direction of the gas flow, divided into centrifugal, axial flow, oblique flow, mixed flow and cross flow type. (1) the centrifugal fan. After entering the fan impeller of axial airflow along the radial flow. This kind of fan is made according to the principle of centrifugal effect, products include centrifugal fan, centrifugal blower and centrifugal compressor. (2) the axial flow fan. Axial airflow into the fan impeller, approximately on the cylindrical surface along the axis direction. This kind of fan including axial flow ventilator and axial flow blower and axial flow compressor. (3) rotary fan. Using the rotor rotating air chamber volume change for work. Common varieties have roots blower, rotary compressor. Fan according to the flow direction of the airflow into the impeller after can be divided into: the axial fan, centrifugal fan and oblique flow, mixed flow fan. Fan can be divided into pressure according to the use in local fan (hereinafter referred to as the pressure of the fan) and flame-proof motor on port outside or inside passage, flame-proof motor under explosion proof seal chamber draw-out local fan (hereinafter referred to as the withdrawable fan). Fan according to the pressure can also be in the form of levels of single, double or multiple pressure fan. 4-72 is a single stage compression, such as high-end fan is a multistage pressurized air blower. The fan according to use classification can be divided into: axial flow fans, mixed flow fans, roof fan, air-conditioning fan, etc. Fan according to the pressure can be divided into low pressure blower, medium pressure fan, high pressure fan. According to the outlet pressure (pressure) is divided into: the ventilator (15000 Pa) or less, blower (1.5 ~ 350000 Pa), compressor (350000 Pa) or higher

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