What Is A Centrifugal Air Compressor?
A centrifugal air compressor is a type of dynamic compressor that uses centrifugal force to compress air. It consists of a rotating impeller with blades that rotate at high speeds, drawing in air and accelerating it outward. As the air moves towards the outer edge of the impeller, its velocity increases, causing a drop in pressure. This drop in pressure allows the compressor to compress the air, which is then discharged at a higher pressure through a diffuser.
Centrifugal air compressors are commonly used in various industrial applications, such as power plants, oil refineries, chemical plants, and manufacturing facilities. They are known for their high efficiency, compact design, and ability to deliver a large volume of compressed air. Additionally, they require minimal maintenance and can operate continuously without overheating.
How does a centrifugal air compressor differ from other types of compressors?
A centrifugal air compressor differs from other types of compressors, such as reciprocating and rotary screw compressors, in several ways:
Operating principle: Centrifugal compressors are dynamic compressors that use centrifugal force to accelerate and compress air. Reciprocating compressors, on the other hand, use a piston and cylinder arrangement, while rotary screw compressors use screws or rotors to compress air.
Compression method: In a centrifugal compressor, air is compressed by increasing its velocity and then converting that velocity into pressure in a diffuser. Reciprocating compressors use the back-and-forth movement of a piston to compress air, while rotary screw compressors use the meshing of rotors to trap and compress air.
Size and capacity: Centrifugal compressors are generally larger and capable of delivering higher volumes of compressed air compared to reciprocating and rotary screw compressors. They are often used in applications that require a continuous supply of large volumes of compressed air.
Efficiency: Centrifugal compressors are known for their high efficiency, thanks to their streamlined design and ability to maintain a constant flow rate. They can operate at higher speeds and deliver a higher cubic feet per minute (CFM) compared to other types of compressors.
Maintenance requirements: Centrifugal compressors typically require less maintenance compared to reciprocating and rotary screw compressors. They have fewer moving parts, which means fewer components that can wear out or require regular lubrication.
Features of Nanxiang centrifuge:
High Efficiency Scroll：
The gas will enter the scroll directly for revolute type, but one vertical retrace will occur for involute type. The efficiency is increased by 2%
AIR End
Gear box
Horizontal split type for easy maintenance of the bearings and shaft seals.Thrust collar instead of thrust bearings. Which makes the structure simpler and increase the transmission efficiency and reliability.
Labyrinth seal
The gas & oil seal is labyrinth type, which has no contact to the shaft., no abrasion, long life, and low maintenance, no consumption of instrument air, and also, horizontal split makes easier maintenance.
Bearing
Tilting pad journal bearing realize high-speed and stable operation.Pad tilt will self-adjust.when the bearing load changes.CC pad of high heat conductivity and high strength can decrease the bearing temperatureand promote the stability of the rotor system.
Gold Impeller
Unique 7th generation optimal line gold impeller unit, higher corrosion resistance, avoid turbulence, reduce overspeed blockage, design life of 30 years；
Forged five-axis machining；
Ternary flow backward tilting design；
Titanium alloy for aviation
Special anti-corrosion coating；
Multiple dynamic and static balance tests；
High Efficiency Cooler
Water in tube and air in shell, easy maintenance.
Variable cross-section patented design is adopted for cooler cabinet.
Low flow loss and better drainage.
Patented self-seal structure, easy maintenance and more reliable.
Super lager design can meet the extreme working condition.
Allowance for heat recovery design.
Which improves the comprehensive utilization efficiency of energy.
