To solve the serious problem of global warming, there is a choice of non-CFC natural refrigerant cooling equipment.
Kulow System Co., Ltd.
About This Product
■About natural refrigerant refrigeration and air conditioning equipment
We use air conditioning equipment and freezing and refrigeration equipment to maintain a comfortable room temperature and to preserve fresh food for a long time. These devices work to lower the temperature inside the vessel by moving it indoors, outside the device, and the ``refrigerant'' is responsible for transporting that heat.
Until now, fluorocarbons, which are artificial fluorine compounds, have been used as refrigerants due to their excellent physical properties. The technology to use substances as refrigerants has been developed and put into practical use.
Typical examples are ammonia (NH3), carbon dioxide (CO2), water (H2O), air, and hydrocarbons (HC), which are all substances that naturally exist in nature, so they are called "natural refrigerants." It is called.
Main characteristics of natural refrigerants
■Ammonia refrigerant (NH3)
In fact, before fluorocarbons became popular, ammonia was widely used as a refrigerant. However, fluorocarbons were used as refrigerants because they had drawbacks such as "low performance at cooling temperatures below -30℃" and "toxicity and odor, making it dangerous to supply to spaces where there is a risk of contact with people." began to dominate.
However, in recent years, these problems have been resolved, and as the impact of fluorocarbons on the global environment becomes an issue, the superiority of ammonia as a refrigerant is being reconsidered, and ammonia is being commercialized.
Since ammonia refrigerant is toxic, the ``indirect cooling method'' has been recommended, but compared to the conventional ``direct expansion cooling method'' that uses only ammonia refrigerant, this method may be less energy efficient depending on the conditions. It had the problem of getting worse.
However, technological development is currently progressing, and ammonia indirect cooling combined with carbon dioxide refrigerant has achieved high efficiency, and direct expansion cooling has achieved high safety.
■Characteristics of ammonia refrigerant
・A small amount of refrigerant is required (because the heat transfer coefficient is better than that of fluorocarbon-based refrigerants)
・Compared to fluorocarbon-based refrigerants, COP is better at temperatures for freezing, refrigeration, and air conditioning.
■Usage example
Industrial refrigerated warehouse, etc.
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Product
To solve the serious problem of global warming, there is a choice of non-CFC natural refrigerant cooling equipment.
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Handling Company
Kulow System Co., Ltd.
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Categories
1 Models of To solve the serious problem of global warming, there is a choice of non-CFC natural refrigerant cooling equipment.
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Natural refrigerant cooling equipment |
Available upon quote |
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- Japan