Let's see the difference between centrifugal fan and axial fan
2023-08-29
The primary difference between a centrifugal fan and an axial fan is that the centrifugal fan changes the flow direction of the medium in the air duct, while the axial fan does not change the flow direction of the medium in the air duct; The former device is more complicated. The former motor and the fan are generally connected through a belt-driven rolling wheel, while the latter motor is generally in the fan. The former is usually located at the inlet and outlet of the air conditioning unit, boiler drum, induced draft fan, etc. The latter is often located near the air duct or at the front end of the air duct outlet.
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Safety management of refrigeration and air conditioning systems and their safety devices
2022-07-28
Precautions for System Operation (1) The power supply is not disconnected during maintenance and maintenance of refrigeration equipment, which is prone to personal accidents and should be powered off for maintenance. (2) When the refrigeration system is running, it is found that the pointer of the high-pressure pressure gauge is beating violently
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Difference between ventilator and blower
2022-01-10
The fan is a machine that relies on the input of mechanical energy to increase the gas pressure and supply the gas side by side. It is a kind of driven fluid machinery.?? Ventilator widely used in factory
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Characteristics of direct negative pressure fan
2021-11-12
1. Special motors for IP55 and F insulated aluminum fan produced by foreign advanced technology. Long service life, smooth operation, low noise, and at the same time with phase, overload protection.
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Development and Application of High Performance Coating for Wind Turbine Blade
2021-11-12
At present, there is no unified reference standard for the anti-corrosion system of domestic fan blades, which is caused by the composition of fan blades and their special operating conditions. Fan blades are made of glass fiber composite materials, and the applicable substrates of corrosion resistance standards ISO 9223 and ISO 12944 are metal and cannot be directly referenced. Because the fan blades are mostly in a very harsh corrosive environment and rotate at high speed all year round, the linear velocity of the blade tip is often more than 70 m/s, and the corrosion condition is different from that of the steel structure, which can be clearly seen in the actual operation of each wind farm. In general, the fan blades in addition to the loss of light, pulverization and wind erosion, pollution, wear, shedding, tearing and other phenomena. The corrosive environment of fan blades has the following characteristics: strong ultraviolet radiation, strong wind, sand, dust, hail and other impact and wear, corrosion by -30~50 ℃ temperature changes, high humidity and strong salt spray corrosion in the south or coastal areas.
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What type of machine is a duct fan?
2021-11-12
Duct fan is a kind of ventilation equipment. In the confined space of industrial workshop, air cannot circulate. It is a common product in industrial workshop. We don't know much about duct fan. What product is duct fan?
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Telephone:020-32144098
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