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Heating method and benefits of multi-layer hot press laminating machine
Oct 17, 2018

With the development of electric heating and heat transfer oil furnaces, the heat transfer oil heating method has been widely used in imprinting hot presses, veneer hot presses, and multi-layer hot presses. For multi-layer hot press laminating machine with low pressure and short production cycle, heat transfer oil heating is the most ideal method for hot presses. Electric heating and heat transfer oil furnaces have gradually replaced boilers and steam furnaces.

 

The heating temperature of the multi-layer hot press laminating machine is generally about 200 ° C. If it is saturated steam, the piping system pressure needs to reach 1.6 MPa or more. The electric heating heat transfer oil furnace has the characteristics of high temperature and low pressure. Generally, the heat transfer oil can be heated to 300 ° C under the low pressure of 0.4-0.6 MPa, so the heat transfer oil heating is safer than steam.

 

Because the heat transfer oil has uniform heat transfer and high temperature control accuracy, it can reach positive and negative 1 °C. For a multi-layer hot press, the temperature difference between adjacent press plates can be no more than 3 ° C, and the temperature difference of the same hot plate can not exceed 1.5 ° C. Moreover, the heat energy loss can be effectively avoided, the energy saving effect is remarkable, and the heat efficiency is high.

 

Due to its good thermal stability testability, the heat transfer oil has no corrosion and scaling, does not corrode the heating system and uses the heat device, and can be used for a long time at the specified temperature. Therefore, the operating cost and maintenance cost of the heat transfer oil heating system of the multi-layer hot press laminating machine are much less than that of the super hot water and steam heating, which can greatly reduce the production cost.

 

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