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The working principle and accessories of ...
Freezing: the operation process of using the low temperature source generated by refrigeration to cool the product from normal temperature and then freeze it. Refrigeration: The operation process of obtaining a low-temperature source by using the cold effect produced by the change of the physical...Read more -
Cold storage defrosting knowledge and skills
The defrosting of the cold storage is mainly due to the frost on the surface of the evaporator in the cold storage, which reduces the humidity in the cold storage, hinders the heat conduction of the pipeline, and affects the cooling effect. 1. Hot air defrosting Directly pass the hot gase...Read more -
How to quickly locate and solve the failu...
When the refrigeration system breaks down, generally the faulty part cannot be seen directly, because it is impossible to disassemble and dissect the components of the refrigeration system one by one, so it can only be checked from the outside to find out the abnormal phenomenon in operation and ...Read more -
Why can’t the temperature of the co...
First, the failure analysis and treatment of the cold storage temperature does not drop The temperature of the refrigerator is too high. After inspection, the temperature of the two warehouses was only -4°C to 0°C, and the liquid supply solenoid valves of the two warehouses were opened. The compr...Read more -
Some Basic Welding Theoretical Terms to K...
1. Welding: refers to a processing method that achieves atomic bonding of weldments by heating or pressure, or both, with or without filler materials. 2. Weld seam: refers to the joint part formed after the weldment is welded. 3. Butt joint: a joint in which the end faces of two weldments are rel...Read more -
What should I do if there is scale in the...
There are three circulation systems in industrial refrigeration units, and scale problems are prone to occur in different circulation systems, such as refrigeration circulation system, water circulation system, and electronic control circulation system. Different circulation systems require tacit...Read more -
Troubleshooting method for refrigeration ...
The refrigeration system is a general term for the equipment and pipelines through which the refrigerant flows, including compressors, condensers, throttling devices, evaporators, pipelines and auxiliary equipment. It is the main component system of air conditioning equipment, cooling and refrige...Read more -
Comparison and advantages of carbon dioxi...
The refrigeration efficiency of carbon dioxide air conditioners is generally lower than that of common refrigerant systems under the same working conditions, and it is much lower. Whether heating can really be more efficient is doubtful. I have seen this statement in many places, but I don’...Read more -
What kind of “chain” is the c...
what is cold chain Cold chain refers to the special supply of certain products in the process of processing, storage, transportation, distribution, retail, and use, and all links are always in the specific low temperature environment necessary for the product to reduce loss, prevent pollution and...Read more -
How harmful are refrigerants to the human...
The refrigeration function of the air conditioner mainly relies on the refrigerant difluoromethane. Difluoromethane is odorless and non-toxic at room temperature, and generally has little effect on the human body. However, it is a flammable gas, and after being highly volatile, it may quickly for...Read more -
What should I do if the air conditioner l...
Condenser During the cooling process of the air conditioner, condensed water will inevitably be produced. Condensed water is generated in the indoor unit and then flows outdoors through the condensed water pipe. Therefore, we can often see water dripping from the outdoor unit of the air condition...Read more -
How to “save” soaked and damp...
Due to the impact of a series of climate changes such as the northward shift of the precipitation line and the impact of typhoons on land, some areas of my country have recently experienced extreme weather such as concentrated heavy rainfall, and many places have been hit by heavy rain. Some area...Read more
