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Vapour absorption refrigeration system5/23/2023 ![]() It is used for food preservation and comfort cooling. Applications: Lithium bromide based refrigeration finds chilled water applications. These events repeat in a cycle, thereby refrigeration is produced continuously. This method is raising the pressure of the refrigerant from evaporative pressure to condenser pressure, without much altering its volume. Ammonia is also used as the absorbing solution. The weak solution is now reconstituted and circulated again. A strong solution of lithium bromide (hygroscopic salt) absorbs the water vapour produced in the above step.This effect is responsible for refrigeration. ![]() The temperature of the remaining water is lowered. In a high vacuum chamber, water is flashed to produce vapour.PrincipleĪbsorption refrigeration units employ water as the refrigerant and a strong solution of lithium bromide as absorbent…The vapour absorption refrigeration system principle involves the following steps. Vapour Absorption Refrigeration System is also known as the absorber-generator assembly of refrigeration. The absorption system of refrigeration is the heat-operated unit, which uses a refrigerant that is alternatively absorbed and liberated from the absorbent.
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