Keywords: furnace, Resistance Furnace, Electric Furnace, Industrial Furnace, Industrial Electric Furnace, Power, Temperature, Rise Time, Rise Rate, Heat Treatment, Heat Treatment Furnace,

Distribution of resistance furnace power installation

I. Resistance furnace power installation distribution

1. box-type furnace: furnace door at the installation of 1/3-1/4 power

2. shaft furnace: L / D = number of zones (L: height; D: diameter)

3. continuous furnace: power distribution according to the process curve to determine, but the mouth of the furnace should also increase power

4. Furnace temperature Power distribution

1200 ℃  15-20Kw/m2

1000 ℃  10-15 Kw/m2

700 ℃  6-10 Kw/m2

400 ℃ 4-7 Kw/m2

II. Industrial furnace heating time requirements

1. Periodic furnace

Use of refractory lining Small furnace: 1.5-2 hours

                  Medium-sized furnace: 2-3 hours

Otherwise, it will make the lining cracked or the lining has not yet absorbed heat, will not radiate heat to the workpiece

Use of fiber lining Small furnace: 1-2 hours

                  Medium-sized furnace: 1.5-2 hours

2. Continuous furnace: temperature rise rate (Max.) 50 degrees / hour

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