Do not dry burn immersed flange heating pipes

Do not dry burn immersed flange heating pipes

Immersion flange type heating pipes are often used in liquid equipment such as industrial water tanks, thermal oil furnaces, boilers, etc. During use, errors have led to continued heating or even empty burning even when the liquid is reduced. This result often causes the heating tube to burn out, which can lead to accidents. So what should we learn and pay attention to?

The reason why heating tubes are divided into liquid heating tubes and dry burning heating tubes is because their surface load design is different. Usually, the surface load of liquid electric heating pipes is much higher than that of dry burning electric heating. Due to the heating of liquid electric heating tubes in the liquid, the heat on the surface of the heating tube is easily absorbed by the liquid, so that the surface temperature of the heating tube is not too high. Therefore, the surface load design of the liquid heating tube can be higher. Immersion type flange heating pipes have a low surface load due to their working environment being in the air, which itself has a negative effect on hindering heat conduction. If the liquid electric heating tube experiences dry burning, the surface temperature of the heating tube cannot immediately disperse, causing the internal temperature of the heating tube to be too high, leading to the burning of the heating tube and serious tube explosion. Heating pipes heated in liquid for a long time will experience varying degrees of surface corrosion. The heating pipe will gradually expand due to corrosion, leading to leakage and ultimately leading to its damage and inability to use.

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