Ceramic Radiant Heaters The inner core of the electric heating radiant tube is composed of a resistance wire welded at the ends of the U-shaped axial arrangement and a ceramic support frame. There is no shield between the inner core and the outer protective sleeve, and the heat dissipation is...
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Ceramic Radiant Heaters
The inner core of the electric heating radiant tube is composed of a resistance wire welded at the ends of the U-shaped axial arrangement and a ceramic support frame. There is no shield between the inner core and the outer protective sleeve, and the heat dissipation is good. The electric heating radiant tube with a rated working temperature of 1000 degrees, the resistance wire is made of Cr20Ni80 or 0Cr21Al6Nb, and the surface working temperature can reach 1200 degrees.
With this material, the maximum working temperature of the electric heating radiant tube can reach 1000 degrees, and the support frame is made of high-aluminum ceramic parts. The outer protective sleeve is a cold-drawn seamless thin-walled heat-resistant steel pipe made of 1Cr25Ni20Si2 or 1Cr25Ni35Si2. The material has good high-temperature oxidation resistance, high high-temperature creep strength, and certain anti-carburization performance. The design and material selection safety factor of the radiant tube Larger.
Features of Ceramic Radiant Heaters:
1. Manufacture of seamless cold-drawn heat-resistant steel pipes (maximum temperature of 1200 degrees) made of high-quality raw materials
2. The inner core adopts resistance wire U-shaped axial arrangement end welding method
3. The resistance wire and the ceramic frame are basically unshielded, and the temperature difference between the resistance wire and the furnace is small
4. The maximum working temperature is 1000 degrees or 1200 degrees
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