During the operation process, the surface temperature of the Electric Heating Drying Oven is overheated due to the poor insulation effect of the individual thermal insulation effect, which causes certain troubles to the user. According to the national standard GB/T30435-2013 for electric heating drying ovens, the requirements for surface temperature are:
1. FOR DRYING OVENS WITH A MAXIMUM WORKING TEMPERATURE OF NO MORE THAN 200 °C, THE SURFACE TEMPERATURE SHOULD NOT BE GREATER THAN THE INDOOR TEMPERATURE PLUS 35 °C ON ANY SURFACE AROUND 80MM OR BEYOND THE DOOR FRAME, OBSERVATION WINDOW, EXHAUST HOLE, MOTOR SHAFT, ETC.
2. For drying ovens with a maximum working temperature greater than 200°C, the limit of surface temperature is T1=Tr+35+(Tm-200)/10. (T1 refers to the surface temperature, Tr refers to the indoor ambient temperature, Tm refers to the maximum temperature, and the unit is °C)
There is a thermal insulation layer between the inner tank and the outer surface of the drying oven, and the quality of the thermal insulation effect is determined by the material of the thermal insulation cotton, the thickness of the thermal insulation layer, and the heat transfer structure of the oven. The better precision GX series Thermostatic Drying Oven developed and produced by Kenton adopts the hollow isolation design between the surface and the inner tank, and the heat of the inner tank cannot be transferred to the surface of the oven, so the surface temperature of the shell is controlled within room temperature +20 °C, which is better than the national standard, and the thermal insulation effect is the first in the same industry.