The working principle of the thermal oil heating circulation system mainly involves heat transfer and oil circulation flow. Firstly, heat is transferred from the heating source (usually a heat exchanger or electric heating element) to the heat transfer oil, causing it to heat up. Subsequently, the heated heat transfer oil flows through a closed circulation system. During this process, the heat transfer oil will transfer heat to the cooling equipment or cooler, causing it to cool down, and then return to the heating source to restart the cycle. The advantage of this system lies in its efficient and uniform heating characteristics, as well as its stability under high temperature conditions.

In practical applications of heat transfer oil circulation systems, for example, in electric heating heat transfer oil circulation systems, electrical energy heats the heat transfer oil through a heater. The heat transfer oil continuously transfers heat from the heat source direction to the equipment that needs to be heated through external force (usually through a high-temperature heat pump), and then returns to the heating system through circulation, forming a relatively complete and independent electric heating heat transfer oil circulation system.

In addition, in the fluidized bed drying process, the heat transfer oil in the heat transfer oil furnace flows back to the furnace through valves, heat transfer oil pumps, and valves. The heat transfer oil in the heat transfer oil furnace also enters the lower part of the fluidized bed drying tower through valves and heat transfer oil pumps, and exchanges heat with the air coming from the heat exchanger. After entering the heat exchanger to heat the fresh air, it flows back into the heat transfer oil furnace.

In summary, the process of the thermal oil heating circulation system involves multiple links such as heating, circulation, and cooling. Through a closed circulation system, efficient and uniform heating is achieved while maintaining stability under high temperature conditions. ‌

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