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  • Advantages of shell and tube evaporators

    The heat transfer coefficient of shell and tube evaporator is larger in liquid than in gas, and larger in flowing state than in static state. Shell and tube evaporator of chiller has good heat transfer effect, compact structure, small area and convenient installation, so it is widely used. The re...
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  • Advantages and disadvantages of water-cooled screw chiller.

    Water-cooled screw chiller is a kind of chiller. Because it uses screw compressor, it is called screw chiller.Then what are the advantages and disadvantages of water-cooled screw chiller? The main analysis is as follows:   Advantages of water-cooled screw chiller : 1. Simple structure, few w...
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  • What are the adverse effects of using a water chiller for too long？

    The operation of the chiller will be affected after we use it for too long, so we should pay attention to whether there is any fault in the daily work. So what are the problems that can occur when a chiller is used for too long? 1.Frequent failure: after more than 2 to 3 years of use of air-coole...
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  • The important role of industrial chillers in plastics processing industry.

    In the plastic processing industry, whether it is extrusion, injection molding, calendaring , hollow molding, blowing film, spinning, etc., in addition to some host can meet the requirements, there is often a large number of auxiliary equipment to complete the processing process. The perfection, ...
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  • How do you determine the evaporation and condensation temperature?

    1. condensation temperature: The condensation temperature of the refrigeration system refers to the temperature when the refrigerant condenses in the condenser, and the corresponding refrigerant vapor pressure is the condensation pressure. For the water-cooled condenser, the condensing temperatur...
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  • Regular maintenance to avoid dirt deposition damage to chiller.

        There will be different degrees of failure if there without any maintenance in the specified time, even though the chiller is of high quality. If the precipitation of scale of evaporator and condenser cannot be effectively cleaned, after a long period of accumulation, the scope of scale pollu...
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  • Where do all the impurities and sediment in the chiller come from？

    Chiller is a cooling water equipment, can provide constant temperature, constant current, constant pressure of chilled water. Its working principle is to inject a certain amount of water into the internal water tank of the machine first, cool the water through the refrigeration system, and then s...
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  • How to tell the difference between good and bad wires？

    Weight: The weight of wires with good quality is generally within the prescribed range.For example, Plastic insulated single copper core wire with sectional area of 1.5, the weight is 1.8-1.9kg per 100 meter; Plastic insulated single copper core wire with a sectional area of 2.5 is 2.8 ~ 3 kg pe...
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  • Do10 things before replacing the compressor

    1. Before replacing, it is necessary to check the cause of damage to the original refrigeration compressor and replace the defective parts.Because of the damage of other components will also lead to direct damage to the refrigeration compressor.   2. After the original damaged refrigeration ...
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  • Compressor fault and protection examples

    According to statistics, in the first half of a year, users complained about a total of 6 compressors. User feedback said that the noise is one, high current five. The specific reasons are as follows: One unit due to water enter into the compressor, Five units due to insufficient lubrication. Poo...
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  • Signs of normal operation of refrigeration system and causes of common failures

    Signs of normal operation of refrigeration system： 1.The compressor should run smoothly without any noise after starting, and the protection and control components should work normally. 2.Cooling water and refrigerant water should be sufficient 3.The oil will not foam much, the oil level is not ...
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  • Get out of the misunderstanding of “condensed water”

    Condensed water, commonly known as “condensation”, is shown in pipes, air conditioning panels, vents and other objects on the water trace or even water droplets.Causes the wind pipe and the hanger to be soaked, the tuyere dripping water, the smallpox dripping water, the metope seepage...
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