Simple Vapour absorption system:

A simple vapour absorption system is a type of absorption refrigeration system that uses ammonia as a refrigerant and water as an absorbent. This system operates on the principle of absorption to provide cooling.

Components of Simple vapour absorption system:

• Evaporator: The evaporator is responsible for absorbing heat from the surrounding environment, which is transferred to the refrigerant in the system.

• Absorber: The absorber absorbs the ammonia vapor into the water to form an ammonia-water solution.

• Generator: The generator is responsible for heating the solution to separate the ammonia vapor from the water.

• Condenser: The condenser cools the high-pressure and high-temperature ammonia vapor to convert it into a liquid state.

• Refrigerant: The refrigerant is the working fluid that circulates through the system to provide cooling.

• Absorbent: The absorbent is the solution that absorbs the refrigerant vapor.

Simple vapour absorption system line diagram

Working of Simple vapour absorption system:

In a simple vapor absorption system ammonia refrigeration, the refrigerant used is ammonia, and water is used as the absorbent. The system operates by circulating the refrigerant through a series of components, as follows:

• The ammonia is evaporated in the evaporator, where it absorbs heat from the surrounding environment.

• The ammonia vapor then passes through the absorber, where it is absorbed into the water to form an ammonia-water solution.

• The solution then passes to the generator, where it is heated to separate the ammonia vapor from the water.

• The high-pressure and high-temperature ammonia vapor then passes through the condenser, where it is cooled and condensed into a liquid state.
• The liquid ammonia then passes back to the evaporator, where the cycle starts over again.

Applications of Simple vapour absorption system:

Simple vapor absorption refrigeration system is used in various applications, such as air conditioning, industrial processes, and refrigeration.

These systems are suitable for low-temperature cooling applications and are often used in industries that require process cooling, such as chemical processing, food processing, and pharmaceutical manufacturing.

Additionally, simple vapor absorption refrigeration systems can be used in small-scale cooling applications, such as residential air conditioning and refrigeration systems.

These systems are also used in cold storage facilities, such as warehouses and distribution centers, where temperature control is essential to preserve the quality and shelf life of perishable goods.

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