In the working process of the heat conduction oil heating pipe, the temperature of the heat conduction oil is often too high due to the continuous increase of the surface temperature of the heating pipe, so that the flow rate of the heat conduction oil in the heating tube is too low, and the local temperature of the heat conduction oil on the surface of the heating pipe is too high, forming a product. carbon. This is also the flaw of the heat transfer oil heating tube. How to deal with the flaw-carbon deposit has become a notice for more users. Based on the principle of carbon deposits on the heat transfer oil heating tube, four tips are summarized, hoping to be better used The person understands:
1. Choose better quality heat transfer oil.
2. The surface load of the electric heating tube of the heat-conducting oil heater should reach the recommended value of the surface load of the heating tube as required by the first closing requirement:
The following surface load generally means that it can be multiplied by 2 to 2.5 when combined with metal mold heating and water heating. Air heating is 50% to 60%.
Pipe diameter (φ)
Load value (Wcm2)
φ6～φ10
≤22
φ10.1 ～φ14
≤20
φ14.1～φ18
≤16
φ18.1～φ22
≤12
φ22.1～φ40
≤10
3. The flow rate of the pump should be as large as possible. A fast flow rate can reduce the possibility that the local temperature of the heat transfer oil is too high. 3. The flow rate of the pump should be selected as large as possible. Possibility of too high temperature
4. When the heat-conducting oil heater stops working, the temperature should be lowered to normal temperature first to avoid high temperature shutdown. Because the surface of the heating tube is still at a high temperature when it is shut down during high-temperature operation, the heat transfer oil in the heating tube stops flowing at this time, which will cause the local temperature of the heat transfer oil on the surface of the heating tube to be too high and form carbon deposits.
By telling the handling of the hard damage of the heat-conducting oil heating tube-carbon deposits, so that customers can better solve practical problems.
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