There are many types of ice machines, including flake ice machines, cube ice machines, block ice machines, tube ice machines, etc. No matter which type of ice machine, its ice making principle and structure are the same, and the techniques for purchasing an ice machine are also the same. . Before choosing an ice maker, first understand the working principle of the ice maker: 1. The compressor suctions and compresses the refrigerant into a high-temperature and high-pressure liquid state, 2. After the condenser is cooled, 3. The expansion valve throttles and evaporates, 4. The heat exchange of the ice bucket makes the water flowing through it quickly freeze into ice. Compressor, condenser, expansion valve, and evaporator (ice bucket) are the four major components of ice making. When purchasing an industrial ice maker
, you must understand the main configuration and materials. 1. Select the compressor The compressor is the power component of the ice maker, accounting for 20% of the cost of the ice maker. Be sure to choose brand compressors, reliable quality, and industry-recognized compressors. For example, Bitzer of Germany, Copeland of Germany, Danfoss of Denmark, and Shanghai Hanbell are all international brand compressors recognized by the industry. 2. Learn to look at the evaporator. The evaporator is an ice component of the ice maker. The quality of the evaporator is related to the output and the quality of ice. Generally, the evaporator is made of carbon steel, aluminum alloy, and stainless steel. Stainless steel is not easy to rust, but it is expensive. Tips, the evaporator must be an ice maker manufacturer and can independently produce and design the evaporator to ensure quality and after-sales service. 3. Understand the condensation mode of the ice maker. The cooling mode of the ice maker is divided into water cooling and air cooling. The condensation efficiency will affect the output of the ice maker. The cooling method of the water tower is efficient, but the water source is sufficient and the water consumption is serious. Air cooling has a small footprint, does not require water, and has good cooling efficiency. Generally, small ice making machines use air cooling, and large ice making machines use water tower cooling. 4. Understand the role of expansion valves Expansion valves are known as capillaries. Through refrigerant throttling, the normal temperature liquid refrigerant evaporator is turned into a low-temperature vapor state, creating low-temperature conditions for the evaporator to freeze. Choose industry-recognized brands, such as Danfoss, Emerson and other first-line international brands of expansion valve have a good reputation. 5. Know about environmentally friendly refrigerants. Know about environmentally friendly refrigerants. At present, the most used refrigerants in the market are R22 and R404a (there are many other environmentally friendly refrigerants, not listed). R22 refrigerant will be eliminated in 2030, and R404a is environmentally friendly Refrigerant (non-toxic and non-polluting), it can replace R22 in the future. It is best to choose an ice maker with R404a refrigerant to make a small contribution to environmental protection. 6. Purchase other accessories. Learn about other accessories of the ice maker, ice bucket ice knives, bearings, filter driers, electric boxes and other accessories. For example, it is best to choose a flake ice electrical box, ls or Schneider Electric's PLC electrical box, try not to choose a circuit board electrical box, as the overload is small and it is easy to malfunction. When choosing a freezer, it is best to choose a stainless steel freezer, and avoid plastic materials as little as possible, because of poor heat preservation and easy aging, which will affect the quality of ice. 7. Tips for choosing an industrial ice maker. Be sure to choose a strong ice machine manufacturer. After-sales service is guaranteed and the quality of the industrial ice maker is reliable. Choose a factory that can independently produce and design evaporators, and trace the material and quality of evaporators. The technical department of Icesource's ice machine manufacturer has compiled and written, standardized the ice making industry, and responded to the call of 'Made in China 2025' to develop Chinese ice making equipment into an international business card. Please indicate the source for reprinting.
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