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The Working Principle And Advantages And Disadvantages Of Air-cooled Ice Maker
Latest company news about The Working Principle And Advantages And Disadvantages Of Air-cooled Ice Maker

Air-cooled ice making maker

Determined by the ambient temperature, the higher the ambient temperature, the higher the condensation temperature. Generally, an air-cooled condenser is used, and the condensing temperature is 7-12°C higher than the ambient temperature. This value of 7-12°C is called the heat exchange temperature difference. The higher the condensing temperature, the lower the refrigeration efficiency of the refrigeration unit, so we must control this heat exchange temperature difference should not be too large. However, if the temperature difference of heat exchange is to be too small, the heat exchange area of the air-cooled condenser and the circulating air volume must be larger, and the cost of the air-cooled condenser will be higher.

The temperature limit is not higher than 55℃ and not lower than 20℃. Under normal circumstances, it is not recommended to use air-cooled condensers in areas where the ambient temperature exceeds 42°C. Therefore, whether to choose an air-cooled condenser, first confirm the ambient temperature. Generally, when designing an air-cooled ice machine, the customer must be required to provide the highest ambient dry bulb temperature throughout the year in the local area.

The higher the ambient temperature, the lower the heat dissipation efficiency of the air-cooled condenser and the worse the cooling efficiency. The temperature limit of the air-cooled condenser is not higher than 50°C and not lower than 20°C. Under normal circumstances, it is not recommended to use air-cooled condensers in areas where the ambient temperature exceeds 38°C. Therefore, whether to choose an air-cooled condenser, first confirm the ambient temperature.

latest company news about The Working Principle And Advantages And Disadvantages Of Air-cooled Ice Maker  0

Advantage of air cooled ice machine

1.  No need of water resources, lower operating cost.

2.  Easy to install and use, no other supporting equipment is needed, it can be put into operation as long as the power is turned on

3.  Does not pollute the environment.

4.  It is suitable for areas with severe water shortage or rare water supply.

 

Shortcoming of air cooled ice maker

1.  Higher cost investment.

2.  The high condensing temperature reduces the operating efficiency of the refrigeration unit.

3.  Not suitable for areas with dirty air and dusty climate.

 

Cooling performance

It is determined by the ambient wet bulb temperature. The higher the ambient wet bulb temperature, the higher the condensation temperature. Generally, a water-cooled condenser is used, and the condensing temperature is about 5 to 7°C higher than the ambient wet bulb temperature.

Temperature limit

Not higher than 55°C, not lower than 20°C. Under normal circumstances, it is not recommended to use water-cooled condensers in areas where the ambient wet bulb temperature exceeds 42°C. Therefore, whether to choose a water-cooled condenser, first confirm the ambient wet bulb temperature.

Generally, when designing a water-cooled ice maker, the customer must be required to provide the highest ambient wet bulb temperature throughout the year in the local area. At the same time, when the ambient temperature exceeds 50 ℃, the condenser cannot be cooled with water, and the cooling tower is easily damaged by the high temperature. The cooling tower must be used under sun protection.

latest company news about The Working Principle And Advantages And Disadvantages Of Air-cooled Ice Maker  1

Working principle

The high-temperature and high-pressure refrigerant gas enters the shell side of the condenser through the air inlet above the condenser, and the cooling water pump pumps the cooling water out of the water storage tank of the cooling tower, and enters the condenser through the inlet on the right side of the condenser. In the tube pass, it exchanges heat with the refrigerant outside the copper tube of the condenser. The temperature rises. It comes out from the water outlet on the upper right side of the condenser. The water outlet is evenly sprinkled on the filler, and the fan is sucked by the fan to exchange heat with the water in the filler to reduce the water temperature. The cooled water is stored in the water storage tank for reuse.

The high-temperature and high-pressure refrigerant gas exchanges heat with the cooling water flowing in the tube side in the shell side of the condenser, reduces the temperature and condenses into a liquid. The exhaust heat of the refrigeration unit first exchanges heat with water (heat exchange that occurs in condensation), and then water exchanges heat with air (heat exchange that occurs in the cooling tower).

 

Pub Time : 2023-01-30 14:51:12 >> News list
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