A wind cooler is a type of cooler that uses air as a medium for heat exchange for heat exchange. Heat is carried away by air, so it is also called an air cooler.
A wind cooler is a type of cooler that uses air as a medium for heat exchange for heat exchange. Heat is carried away by air, so it is also called an air cooler.
The heat dissipation effect of the air cooler depends mainly on the heat exchange area and air volume of the radiator of its components. in other words:
1, the same heat exchange area, the greater the air volume, the better the heat dissipation effect;
2. The same air volume, the larger the heat exchange area, the better the heat dissipation effect.
Therefore, it is also called oil cooler or air-cooled oil cooler, fin type aluminum alloy air cooler.
The air cooler is made of aluminum alloy with good thermal conductivity. The fluid passage and the air passage are advanced plate-fin structure, the core is vacuum brazed, and the fluid passage is provided with inner fins.
Compared with the traditional copper tube type, the heat exchange area per unit volume is greatly improved, which is 10-20 times that of the conventional copper tube type structure, and the heat exchange efficiency is particularly good.
It is often used as an auxiliary part of the hydraulic system to cool the hydraulic oil to ensure the normal working temperature range of the hydraulic oil, improve the stability of the hydraulic system and the service life of the components.
It is widely used in CNC machine tools, engineering machinery, wind power equipment, port machinery, plastic machinery, metallurgical machinery, shipbuilding industry, etc. It provides solutions for the hydraulic system and lubrication system of the equipment to reduce the fluid temperature.
But how do you choose the right wind cooler? It is indeed a problem. Please refer to the method listed in Dalan Hydraulics, I hope to help you one or two.
How to choose the right wind cooler, the most important thing is the calculation of heat dissipation.
The most common calculation method is to calculate the heat loss per unit time of the hydraulic system (ie, the heating power of the system), and then select the matching model according to the equivalent cooling power curve of the cooler according to the desired oil temperature expectation value.
The specific operations are as follows:
1, the use of pressure, this pressure generally refers to the maximum allowable working pressure, or design pressure, to choose the air cooler according to the maximum pressure of the circuit.
2. Applicable flow rate, applicable flow rate, often refers to the throughput per minute of low viscosity liquid under static pressure. In the range of liquid flow rate of 0.2-0.4 m / s, the air cooler oil passage is not easy to burst, so the applicable flow value of the air cooler is a theoretical calculation combined with actual empirical tests.
3. The heat exchange efficiency is the heat dissipation efficiency of the air cooler. The heat dissipation efficiency should be selected according to the main oil pump system and motor power of the applicable machine.
-----Responsible Editor: Dalan Oil Pump Motor 02-Procurement Consultant
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