The working principle of a centrifugal fan is basically the same as that of a turbo compressor, but because the gas flow rate is low and the pressure does not change much, it is generally not necessary to consider the change of the specific volume of the gas, that is, the gas is treated as an incompressible fluid. The relationship between centrifugal fans and fans: Fans are the abbreviations for gas compression and gas transportation machinery in China. Generally speaking, fans include centrifugal fans, blowers, compressors and roots blowers, but do not include volumetric blowers such as piston compressors and compressor. Centrifugal fan is a product type of fan, but people usually call the centrifugal fan simply as a fan. Centrifugal fan is another name for a fan.
General machines require maintenance and cleaning after a period of use, and it is very troublesome to clean up, but the maintenance and cleaning of centrifugal fans is very convenient, because some models of centrifugal fans are equipped with cleaning doors, so that they can be repaired. You can save time by not having to disassemble the machine. The ventilation effect of centrifugal fans is also very good, which is especially suitable for use in duct exhaust or supply air. Moreover, the impeller of the centrifugal fan is reasonably designed to be backward-tilted, with no friction during operation, very low noise, and not easy to get dust, and it is very convenient to maintain. The most satisfactory is that the surface of the centrifugal fan is spray-treated, has strong oxidation resistance and is not easy to be rusted. The casing and impeller are made of high-quality steel plate, making the centrifugal fan very strong and durable. In addition, the use of centrifugal fans is very wide, can be used in pipelines to transport air, non-corrosive, flammable and explosive gas can be used.
The centrifugal fan industry has initially formed a Chinese fan industry system that integrates design, manufacturing, scientific and technological research and development, and complete services. At present, we design and manufacture centrifugal compressors, axial compressors, centrifugal blowers, roots blowers, lobular blowers, centrifugal fans, and axial fans, including 7 categories, more than 300 series, and more than 6,000 specifications. product. It has made positive contributions to the development of China's equipment manufacturing industry and the development of major national technology and equipment. In the past 10 years, with the development of China's economy and the continuous expansion of the fan industry, high-end products have gradually replaced imported brands. Technology has basically met the needs of the development of building ventilation, and some products have reached or approached the international advanced level. The working principle of a centrifugal fan is basically the same as that of a turbo compressor, but because the gas flow rate is low and the pressure does not change much, it is generally not necessary to consider the change of the specific volume of the gas, that is, the gas is treated as an incompressible fluid.
The motor power required for a centrifugal fan means that under certain operating conditions, the power required for the centrifugal fan and the wind box is fully opened when the air inlet is fully open. If the air inlet is fully open for operation, the motor may be damaged. It is best to close the valve on the inlet or outlet pipe of the centrifugal fan during the test run, and then gradually open the valve after the operation to reach the required working conditions, and pay attention to whether the fan's operating current exceeds the rated current. Centrifugal fans are auxiliary production equipment commonly used in stone processing enterprises. They are mainly used in ventilation and dust removal devices. For example, cyclones and bag dusters in the stone cutting and grinding processes need to use centrifugal fans to remove dust from the production site to ensure production. The environment is clean and protects the physical and mental health of producers. Fan is a kind of equipment with high energy consumption, which consumes a large proportion of power resources in stone processing. With the current shortage of energy in China and the popularization and application of high-yield and efficient working surfaces, energy saving and consumption reduction have become common among stone production enterprises. Concerned issues, many stone manufacturing companies take reducing power consumption of fans as an important task at present.
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