Roots blower is a gas conveying equipment, the main conveying medium is air, strictly speaking, clean air.
First of all, the internal structure of the Roots blower gap is small, can not accommodate large particles of material, the gap between the impeller and the impeller, will limit the cleanliness of the conveying medium.
Secondly, if it contains a large amount of impurities, it will cause wear inside, resulting in reduced efficiency, increased heat caused by impeller wear, and larger clearance, which will affect the blower, such as: temperature will affect the bearing temperature of the blower, resulting in bearing damage, and high temperature will also affect the oil quality of the lubricating oil.
In addition to clean air, what other media can be transported? Gas, biogas, natural gas, formaldehyde, saturated steam, etc., can also be transported. For such special gases, Roots blowers need to be specially customized
The first is the material problem, the transmission material can use cast iron material roots blower, if the transmission of special media, the need to use special materials, such as titanium, stainless steel, etc., these materials have higher corrosion resistance, can transport a wider range of media.
Secondly, the medium for conveying special gases also needs a special seal. The overall structure of the Roots blower is also different from that of the ordinary air conveying blower. The special seal will prevent gas leakage and ensure the sealing of the fan.
Which gases can not be transported by Roots blowers?
The first is explosive gas, explosive gas has a greater risk, such as hydrogen, few manufacturers on the market can do, there is a greater safety risk, so there is little that can be done.
Secondly, toxic gas, gas that is easy to cause human poisoning can not be transported, although there are many sealing methods of Roots blowers, but after long-term operation, it can not guarantee complete sealing, which has a more serious safety risk.
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