According to the working environment of stainless steel electric heating tubes, they are generally divided into dry burning and heating liquids
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According to the working environment of stainless steel electric heating tubes, they are generally divided into dry burning and heating liquids
If burned dry;
During dry burning, if there is fan circulation, the power of the heating tube is generally set as follows: the ratio of the total length of the heating zone of the heating tube (in meters) to the power of the heating tube is 1:1.5, that is, for a one meter long heating tube, under dry burning and fan circulation, the most suitable power is 1500W; When dry burning, if there is no fan circulation, the power of our heating tube is generally set as follows: the ratio of the total length of the heating zone of a single head heating tube electric heating tube (in meters) to the power of the heating tube is 1:1, that is, for a one meter length heating tube, in dry burning without fan circulation, the most suitable power is 1000W.
If heating the liquid;
When heating water or corrosive liquids, the power setting of the electric heating tube is: under normal circumstances, the ratio of the total length of the heating zone of the electric heating tube (in meters) to the power of the electric heating tube is 1:2, that is, a one meter length electric heating tube is suitable for a power of 2000W. Of course, in the case of boiling water, the maximum power can be 4000W, but the lower the power per meter, the longer the service life; When heating oil, the power of the electric heating tube is set to a ratio of 1:2.5 between the total length of the heating zone of the electric heating tube (in meters) and the maximum power of the electric heating tube. That is, a one meter long electric heating tube can achieve a maximum power of 2500W. For normal heating of thermal oil, we usually set the ratio to 1:1 or 1:1.5 to reduce the carbonization rate and lifespan.
Overall, whether heating air for dry burning or heating liquid, the lower the power per meter, the longer the lifespan of the heating tube!
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