Causes of Seal Wear in Biogas Booster Fans and Solutions
Release date:
2022-06-19
This creates a space between the housing and the rotor, through which gas enters from the gas inlet. In this process, the gas is compressed by the rotor and then expelled through the gas outlet. As soon as compression begins, another rotor rotates to a position opposite the first rotor, thereby forming a new space on the other side of the housing. New gas then enters this new space and is subsequently expelled. This continuous motion achieves the purpose of air blowing. During the operation of a biogas pressurization Roots blower, how can we quickly determine the inlet and outlet of the biogas booster based on maintenance precautions and the causes of seal wear?
Biogas booster fan When the drive shaft rotates driven by a coupling or pulley, the gears mounted on the driving wheel simultaneously rotate in the opposite direction, driving the gears on the driven wheel to rotate in sync. This causes the meshing rotors to rotate together, thereby creating a space between the housing and the rotors. Gas enters this space through the gas inlet. In this process, the gas is compressed by the rotors and then expelled through the gas outlet. Meanwhile, as compression begins, the other rotor rotates to a position opposite to the first rotor, forming a new space on the opposite side of the housing. New gas then enters this newly formed space and is subsequently expelled. Now, let’s take a closer look at the causes of seal wear in biogas booster fans and explore potential solutions!
1. The general principle is that biogas booster fans either have inlet at the top and outlet at the bottom, or inlet at the top and outlet on the side—this is the most common intake and exhaust configuration for most biogas booster fans.
2. The inlet silencer features a mesh-like air intake port on its exterior, inside of which is a filter element. When you open the inlet silencer, you can clearly see the filter element. The inlet silencer equipped with an inlet silencer itself is tubular in shape and does not include any filter elements or other silencing accessories. As for the outlet pressure gauge: if there’s no inlet silencer installed at the gauge’s connection point, then wherever you see the pressure gauge mounted is the outlet; otherwise, it’s the inlet. You can also observe the belt guard located along the direction of belt rotation—by examining the rotation direction, you can easily determine whether it’s an inlet or an outlet.
Biogas booster fan Causes of Seal Wear and Solutions:
1. Addressing shaft bending issues: Straighten the shaft;
2. Addressing the casing deformation issue: Repair and eliminate the effects of the deformation;
3. Solution for excessive bearing clearance: Adjust the clearance or replace the bearing.
4. Solutions for deviations in sliding bearing scraping: Adjust or replace the sliding bearing; remove debris from the sealing ring; improve operating procedures if necessary; check whether the rotor is balanced; if the coaxial error between the sealing ring and the shaft sleeve exceeds the standard, replace worn parts and adjust the coaxiality; pressurize the biogas.
Precautions for the Operation and Maintenance of Biogas Booster Fans:
1. Ensure proper sealing to prevent leaks. Methane can explode when exposed to open flames, so regularly check the seal condition.
2. Check the overall machine temperature and the temperature of the biogas booster fan, and keep appropriate records. Compare the overall machine temperature in stages. The transported biogas is often contaminated and tends to shut down easily; therefore, check the pressure gauge daily and ensure it is not blocked.
4. Internal impurity cleaning, Biogas booster fan The interior should be cleaned regularly; if there is excessive internal contamination, it could affect the overall operation of the fan. It is also crucial to regularly remove oil buildup from inside the fan.
5. Regularly check the lubricating oil in the oil tank. If the level is insufficient, promptly top up the oil tank. If there are any changes in oil quality, replace the lubricating oil with fresh oil immediately.
The above is an introduction to the causes of seal wear in biogas booster fans and their corresponding solutions. If you'd like to learn more, feel free to contact us anytime!
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