Why does hopper dryer overheat? How to solve the problem of overheating?
The operation mode of the ordinary dryer is a fixed operation mode, which is continuously heated by the hot air pipe, and the fan continuously transports the hot air into the drying barrel.
If the fan of the hot air hopper dryer fails abnormally and keeps working, the hot air pipe keeps heating, and the generated hot air will continue to enter the hopper along the hot air pipe, which will cause the temperature in the drying barrel to continue to rise and cause the dryer overheats.
Overheating of plastic dryer machine is very easy to cause damage to raw materials, and even when the temperature reaches the ignition point of plastic raw materials, it will cause combustion, causing hidden safety accidents and cost losses.
When the heat of the air duct of plastic hopper dryer exceeds a certain range of set temperature (such as overheating above 40°C), the over-temperature alarm device will give a signal to stop working of the heater and fan of the dryer. And the alarm indicator light will start to flash at the same time , Waiting for professionals to come and handle it correctly, which prevents overheating from destroying plastic raw materials and avoids cost losses for manufacturers.
