The electric furnace wire is made of high-quality iron chromium aluminum, nickel chromiumElectrothermal alloyWire is used as raw material, and the power of furnace wire is controlled by computerAutomatic winding machineWinding forming.
Chinese name
Electric furnace wire
Overview
The electric furnace wire is made of high-quality iron and chromium
In the electric furnace wire table, the data such as rated power, rated voltage, wire diameter, wire diameter, wire length (reference value) and wire weight are corresponding.
Parameter table
Rated power w
Rated voltage v
Wire diameter mm
Outer diameter of furnace wire mm
Furnace wire length (reference value) mm
Weight of furnace wire (g)
three hundred
two hundred and twenty
zero point two five
three point seven
one hundred and twenty-two
one point nine
five hundred
two hundred and twenty
zero point three five
three point nine
one hundred and ninety-six
four point three
six hundred
two hundred and twenty
zero point four zero
four point two
two hundred and twenty-eight
six point one
eight hundred
two hundred and twenty
zero point five zero
four point seven
three hundred and two
eleven point one
one thousand
two hundred and twenty
zero point six zero
four point nine
four hundred and seven
eighteen point five
one thousand and two hundred
two hundred and twenty
zero point seven zero
five point six
four hundred and seventy-four
twenty-eight point five
one thousand and five hundred
two hundred and twenty
zero point eight zero
five point eight
five hundred and fifty-four
thirty-nine
two thousand
two hundred and twenty
zero point nine five
six point one
six hundred and seventy-six
fifty-seven point nine
two thousand and five hundred
two hundred and twenty
one point one zero
six point nine
seven hundred and forty-five
eighty-three point three
three thousand
two hundred and twenty
one point two zero
seven point one
seven hundred and ninety-two
ninety-three point three
Electric furnace wireParameter tableReference toReference data of electric furnace wire
Product classification
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Mainly including iron chromium aluminum alloy electric furnace wire andNickel chromium alloyThere are two categories of electric furnace wires.The former is an alloy material with ferrite structure, and the latter is an alloy material with austenite structure.In addition, there are some special purposeElectrothermal alloyWire such as tungsten wire, molybdenum wire, etc.
It is characterized by high temperature resistance, fast temperature rise, long service life, stable resistance, small power deviation, uniform pitch after stretching, bright and clean surface, and is widely used in small electric furnaces, muffle furnaces, heating and air conditioning equipment, various ovens, electric heating tubes and household appliances.It can design and produce various non-standard industrial and civil furnace bars according to user needs.
① High service temperature, for example, the maximum service temperature of HRE iron chromium aluminum alloy wire in the atmosphere can reach 1400 ℃;
② Long service life;
③ The allowable surface load is large;
Electric furnace wire
④ The oxidation resistance is good, and the AI2O3 film formed after oxidation has good chemical resistance and high resistivity;
⑤ The specific gravity is less than that of nickel chromium alloy;
⑥ High resistivity;
⑦ Good sulfur resistance;
⑧ The price is significantly lower than that of nickel chromium alloy;
⑨ The disadvantage is that with the increase of temperature, it is plastic, and the strength at high temperature is low.
The characteristics of nickel chromium furnace wire are as follows:
① High strength at high temperature;
② The material will not become brittle after being cooled down after long-term use;
③ The emissivity of fully oxidized nickel inscription alloy is higher than that of iron chromium aluminum alloy;
④ Non-magnetic;
⑤ In addition to sulfur atmosphere, it has good corrosion resistance.
Product defects
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Alloy electric furnace wire is the most widely used and most widely used heating material.Its disadvantage is that it is at a very high temperature (incandescent state) under working condition, and it is easy to burn out due to oxidation reaction in air;From the perspective of electrothermal energy conversion, energy loss is caused by the generation of part of visible light;The electric furnace wire is often used in a spiral state, which will produce inductive effect when it is electrified.
matters needing attention
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1. During the design of electric furnace wire, the wire diameter shall be correctly selected according to the power wiring method, reasonable surface load;
2. Before the installation of the electric furnace wire, the furnace should be comprehensively checked to remove the hidden dangers of ferrite, carbon deposition and contact with the electric furnace, and avoid short circuit to prevent the furnace wire from being broken down;
3. The electric furnace wire shall be correctly connected according to the designed wiring method during installation;
4. Before using the electric furnace wire, check the sensitivity of the temperature control system to prevent the failure of temperature control, which will cause the electric furnace wire to burn.
Product repair
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Electric furnace wire
The long used electric furnace wire often breaks, and people often connect the broken ends for reuse.However, high resistance will be generated at the joint, so it will break again after a short time.The following introduces a new method of connecting the electric furnace wire: take a section (2cm long) of thick copper wire or aluminum wire (if there is no thick copper wire, several strands of fine copper wire can be twisted to replace it), bend both ends of the wire and wind the electric furnace wire.This connection method will not produce high resistance and is very durable.
