Compressor use in Chiller

Compressor Types 

Chillers use different types of compressors to circulate refrigerant and facilitate the cooling process. Here are some common types of compressors used in chillers:

1. Reciprocating Compressors: These compressors use pistons driven by a crankshaft to compress the refrigerant. They are known for their simple design and are suitable for smaller capacity chillers. Reciprocating compressors can be single-acting or double-acting, depending on whether compression occurs on one or both sides of the piston.

2. Scroll Compressors: Scroll compressors use spiral-shaped scrolls to compress refrigerant. They are known for their quiet operation, high efficiency, and reliability. Scroll compressors are commonly used in both air-cooled and water-cooled chillers, particularly in medium-sized applications.

3. Screw Compressors: Screw compressors use interlocking helical rotors to compress refrigerant. They are robust, reliable, and suitable for high-capacity applications. Screw compressors are often used in large industrial chillers and HVAC systems.

4. Centrifugal Compressors: Centrifugal compressors use centrifugal force to compress refrigerant. They are highly efficient and suitable for large-capacity chillers. Centrifugal compressors are commonly used in industrial applications where high cooling capacity is required.

5. Rotary Compressors: Rotary compressors, including rotary vane and rotary screw compressors, use rotating mechanisms to compress refrigerant. They are compact, efficient, and suitable for small to medium-sized chillers. Rotary compressors are often used in portable and residential air conditioning units.

Each type of compressor has its own advantages and disadvantages, and the choice of compressor depends on factors such as the cooling capacity required, efficiency goals, space constraints, and budget considerations.