Roots Blower: Factors Affecting the Outlet Temperature of Roots Blower
2021-05-09
Summary
The factors affecting the outlet temperature of Roots blower include: the volumetric efficiency of the fan, the working pressure, the internal leakage of the fan, and the temperature of the suction air. Some of the above elements have been shaped once the fan is formed, which has a great relationship with the technical level of the fan manufacturer. What we can do is to reduce the outlet pressure, reduce the suction air temperature, or think that the outlet temperature will be reduced by other means. In many cases, the sewage treatment plant is limited by the process, and the export pressure cannot be reduced.
The factors affecting the outlet temperature of Roots blower include: the volumetric efficiency of the fan, the working pressure, the internal leakage of the fan, and the temperature of the suction air.
Some of the above elements have been shaped once the fan is formed, which has a great relationship with the technical level of the fan manufacturer. What we can do is to reduce the outlet pressure, reduce the suction air temperature, or think that the outlet temperature will be reduced by other means. In many cases, the sewage treatment plant is limited by the process, and the export pressure cannot be reduced.
You can start from the following aspects:
1. If the Roots blower is installed indoors. Conditional can be installed air conditioning. Don't pity the air harmony and electricity bill. Because the motor temperature every 10 degrees, the number of life will drop a lot. Therefore, the indoor air conditioner can extend the life of the equipment and decrease the outlet temperature.
2. If the soundproof cover is installed, the door of the soundproof cover must be opened in summer. As far as I know, the sound insulation cover in China does not have any sound insulation effect at all, but it increases the ambient temperature, resulting in the high temperature of the inhaled air and the high outlet temperature.
3, as far as possible down the pipeline pressure loss and other pressure loss
4. To inform you of an experience formula, the outlet temperature of the three-leaf Roots blower = the inlet temperature (10-12)* pressure
The unit of pressure here is the meter of water
For example, if the water level is 6 meters, the pressure loss of pipeline loss and diaphragm loss (diaphragm of aeration pipe of sewage plant) is 1 meter, and the ambient temperature is 30 degrees, then the outlet temperature will be 100-114 degrees.
So from this formula you can understand the meaning of dropping inlet temperature and outlet pressure. As far as I know, many fans equipped with soundproof enclosures have inlet temperatures exceeding 45 degrees in summer.
Roots blower manufacturers as a general equipment, in recent years in China's position continues to improve. As Roots blowers become more and more popular, more and more problems appear. How to extend the service life of Roots blower has become a problem of concern in various fields. Want to extend the use of roots blower life, the correct use of methods and daily maintenance is very important.
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