Basic Requirements and Impeller Parameters for High-Temperature Stainless Steel Fans
The design of high-temperature stainless steel fans typically requires specific conditions to be defined beforehand. Commonly provided conditions include: determining key dimensions of the high-temperature stainless steel fan, such as volumetric flow rate, total pressure, working oil and diameter ratio, speed, inlet and outlet widths, inlet and outlet blade angles, blade count, etc.
Additionally, the blade shape and diffuser design can be determined sequentially. Understanding this information helps confirm that the designed and manufactured high-temperature stainless steel fan unit meets operational requirements.
Generally, fundamental design requirements include the following:
The high-temperature stainless steel fan unit must operate near the high-efficiency point to meet required flow and pressure demands.
Under normal operating conditions, it should exhibit high efficiency with a flat efficiency curve.
The stable operating range of the pressure curve must be wide. Fourth, the unit's structure should be relatively simple with good manufacturability.
It must possess sufficient strength and rigidity to deliver safe, stable, and highly reliable operational performance.
During normal operation, it should exhibit low noise, excellent adjustability, and simple adjustment procedures.
Furthermore, the designed and manufactured high-temperature stainless steel fan should be compact and lightweight while meeting operational conditions.
Additionally, when selecting the dimensionless frequency, the following points require attention:
1. To ensure high efficiency, select an appropriate value during design.
2. Choose a value and lower peripheral speed to ensure low noise.
3. Select a larger value to reduce wear.
4. Determine the appropriate propeller type based on operating conditions.
