Fully Adjustable Stationary Blades
The performance of the compressor with adjustable stationary blades (which means constant speed) possesses a greater market demand due to its wider variable operating range than that of the compressor with speed control.
Adjustable Stationary Blades Advantages
- Higher Efficiency in covering large flow
- Easier to design the operating speed with no rotation to rotor critical speed
- Easier to avoid blade resonance with rotational excitation and nozzle excitation
- Compressor with adjustable stationary blades is operated at constant speed, if electric motor is used as prime mover, automatic start-up and shutdown can be realized
MA model axial flow compressor is of fully adjustable stationary blades multi-stage type, with its applicable range from 24,000 m3/hr to 900,000 m3/hr and maximum design pressure ratio up to 10 for single cylinder.
Design Features of Flow Passage
Flow passage is designed as the structure of equal external diameter; axial flow compressor with high pressure ratio or large-size is designed as the structure of equal internal diameter on order to improve the efficiency of the whole unit.
The design of suction volute is verified through experiment upon the analysis of flow field analysis, to make sure the uniformity of suction flow.
Discharge volute is designed with a diffuser to ensure converting the corresponding dynamic energy to pressure energy to achieve the designed discharge pressure
Central casing of compressor with a high-pressure ratio is designed with an air extraction nozzle, in order to prevent any rotating stall when starting the compressor.