samedi 10 janvier 2015

Basic Information On Refrigerator Gas

By Cindy H. Cassidy


Many different appliances are available on the market today. These are different in many respects, including purpose, price, quality and source of energy. A refrigerator gas may be the terminology used when describing food storage and cooling devices powered by gas. There are positives and negatives associated with these models, which should taken into consideration for those looking for a new refrigerator.

The refrigerator has become a common household appliance that is used for food storage. This is beneficial in preserving foods for a longer period of time, as it provides them with the optimal temperature settings to reduce spoilage or bacteria reproduction. The models today might also include a freezer, which serves a similar purpose.

These devices have been around for many centuries, evolving in many ways over the years. These are found in most homes of today. In fact, they are among the highest users of electricity when incomes to modern household devices, aside from the air conditioning systems. There are options for those who want to save money and energy, and it starts with finding an efficient refrigerator model.

Newer fridges are known to be more efficient than older ones. Gas and propane refrigerators are usually seen in RVs or similar settings. They feature no moving parts and employ gas or propane as an energy source. Likewise, heat is used to produce the coldness in the ice box.

Gas models utilized ammonia as a coolant. Water and hydrogen gas are also integral to this cooling process. The five main parts of these devices include generator, evaporator, absorber, condenser and separator. The process usually starts in the generator where heat-from the gas, propane or kerosene-is used to heat a water-ammonia solution. This mix is heated to boiling point for ammonia and then transfers to a separator.

The gas flows upward to the condenser, dissipates and then returns to liquid form. The liquid ammonia then goes through the evaporator where it is mixed with hydrogen gas. It will evaporate and produce a cold temperature inside the fridge. The gases from the hydrogen and ammonia go to the absorber, which is where water collected in the separator mixed with the gases.

The ammonia will form a solution with the water and release the hydrogen gas back to the evaporator. The ammonia-water solution will continue on, flowing back toward the generator to repeat the cycle. Specifics of how these appliances operate might differ from model to model. All manufacturers and their designs are different. Still, the process itself is considerably different than that seen in electronic and energy-efficient fridge models found in many homes.




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