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Radiant Tube Heater
Radiation tube heater, also known as electric radiation tube, the shell of the radiation tube heater and the heater (electric heating wire, heating ca
Product details
Radiant Tube Heater
Radiation tube heater, also known as electric radiation tube, the shell of the radiation tube heater and the heater (electric heating wire, heating cable) are made of heat-resistant alloy and an insulating ceramic. The mold is a multi-component mold based on grouping, with the same surface load, large heat dissipation, long service life, and a fixed middle heating rod.
The inner core of the electric heating radiation tube is composed of U-shaped axially arranged end welded resistance wires and ceramic support frames. There is no shielding between the inner core and the outer protective sleeve, and the heat dissipation is good. The rated working temperature of the electric radiation tube is 1000 degrees, and the material of the resistance wire is Cr20Ni80 or 0Cr21Al6Nb. The surface working temperature can reach 1200 degrees. The maximum working temperature of the electric radiation tube made of this material can reach 1000 degrees, and the support frame is made of high alumina ceramic parts. The outer protective sleeve is a cold drawn seamless thin-walled heat-resistant steel pipe made of 1Cr25Ni20Si2 or 1Cr25Ni35Si2. This material has good high-temperature oxidation resistance, high high-temperature creep strength, and certain resistance to carburizing. The design and material selection of this radiation tube have a high safety factor.
The core of the electric radiation tube includes cage frame type, vertical winding type, and resistance wire wrapping type. The resistance wire is made of nickel chromium and iron chromium aluminum alloy materials, and the outer protective tube is made of seamless pipe, rolled welded pipe, and centrifugal cast pipe. General effective length: 900-2400mm; general outer diameter of casing: φ 80~φ 280mm. Single power: 2kw~40kw; Single voltage: 30v~220v.
The electric heating radiation tube generates uniform heat, effectively overcoming the phenomenon of production stoppage caused by short circuits due to the detachment of oxide scales in general electric furnace wires. It is an ideal choice for multi-purpose furnaces such as bright quenching, normalizing, carburizing, and carbonitriding, as well as industrial heating treatments such as rotating bodies, mesh belts, casting, and continuous heating.
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