An extruder is a commonly used plastic processing equipment used to convert plastic pellets into the desired shape by heat and pressure. During the operation of the extruder, the extruder needs to be cooled to ensure the quality of the plastic products. Water cooler and oil cooler are two commonly used cooling equipment, and they have some differences in cooling methods, working principles, advantages and disadvantages.
First of all, the cooling method of water cooler and oil cooler machine is different. The water cooler uses water as the cooling medium to carry away the heat through the water circulation system. The water cooler uses water cooling to cool the machine, which has the characteristics of good cooling effect and strong temperature controllability, and is suitable for extruders with high temperature requirements. The oil cooler machine uses oil as the cooling medium, and the cooling effect is achieved through the cooling oil and circulation device. The oil cooler uses oil cooling to cool the machine, which has the characteristics of fast cooling speed and not easy to freeze, and is suitable for low temperature requirements or low ambient temperature.
Secondly, there is a difference in the working principle of a water cooler and an oil cooler machine. The water cooler introduces water into the extruder cooling system through a water pump, and the water passes through the cooler during the circulation process, and then takes away the heat and then returns to the cooling system through the water pump. The water cooler mainly realizes the heat transfer and cooling effect through the flow of water. The oil cooler machine introduces the oil into the extruder cooling system through the oil pump, and the oil takes away the heat through the cooler during the circulation process and then returns to the cooling system through the oil pump. The oil cooler machine mainly realizes the heat transfer and cooling effect through the flow of oil.
In addition, there are also differences between water coolers and oil cooler machines in some aspects of performance. The water cooler has good temperature controllability during the cooling process, and the temperature of the water can be adjusted according to the needs to achieve different cooling effects. Due to the use of water as the cooling medium, the water cooler has certain requirements for water quality and water temperature, and needs to be equipped with water treatment equipment, and it is easy to freeze in the low temperature environment in winter. The oil cooler machine is not easy to freeze during the cooling process, and is suitable for extruder cooling in a low temperature environment, but due to the use of oil cooling, there are problems of oil pollution and oil replacement.
Finally, there are also certain differences between water coolers and oil cooler machines in terms of installation and maintenance. The installation of the water cooler requires water source and drainage facilities, and the design and layout of the water circulation system is required. The water cooler needs to be cleaned and maintained regularly during use to ensure the cooling effect. The oil cooler does not require special water source and drainage facilities when it is installed, but it needs to replace and maintain the cooling oil regularly to ensure the cooling effect.
To sum up, there are some differences between water coolers and oil cooler machines in terms of cooling methods, working principles, and performance. The cooling needs of the extruder are selected according to the specific situation, and the cooling effect, environmental requirements, maintenance costs and other factors are comprehensively considered to ensure the normal operation of the extruder and the quality of the products.
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