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Protection Tube
Widely used in iron and steel metallurgy, nonferrous metals, ceramics, industrial furnaces, heat treatment building materials, electric power, chemical and other high temperature environment.
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Si3N4 material is applied to protection tube for thermocouple.long using life,maintenance free,widely used as amainmaterial of protection tubes for thermocouple.As thenecessary means of measuring temperature, thermocoupleprotection tube is used in Aluminum, Tin, Lead, Zinc etc. kindsof Metallurgical industry .The advantages are :
◆ Si3N4 material has the better thermal shock resistance andhigh-temp mechanical strength, light weight, high strength.easy to handle. Even exchange in the processing, there is noburst, easy to produce and maintain.
◆ Si3N4 material has the low conductive advantage, its lowspecific heat allows minimum heat loss. This aides in moreaccurate temperature measurements for our thermocoupleprotection tube application,thus facilitates molten metal heattransfer in our stalk tube applications. This advantage canreduce temperature of aluminum and
overall energy costs.
◆ Molten aluminum low wettability, there is no elutedcontamination into molten aluminum, therefore, the purity ofthe metal ismaintained.
◆ Si3N4 has the excellent corrosion resistance,nearly inertagainst molten aluminum, so it ensures longer life。
Products are widely used in iron and steel metallurgy, nonferrous metals, ceramics, industrial furnaces, heat treatment building materials, electric power, chemical and other high temperature environment. It is resistant to acid, alkali, reducing gas and other media erosion, and wear resistance, good thermal shock resistance, long service life and so on.
Industrial furnace is in industrial production, the use of fuel combustion or electric energy conversion of heat, the material or workpiece heating equipment. Silicon carbide products are gradually replacing traditional refractory bricks and heat-resistant steel with their excellent high temperature resistance, wear resistance and conductivity. They are widely used as lining, slide rail materials and heat radiation tubes for key parts of various industrial furnaces, such as muffle lining of various box furnaces in heat treatment industry, guide rail of push rod furnace, furnace tube of powder metallurgy sintering furnace, furnace slide rail of Danner process glass furnace muffle furnace, flame isolation plate of ceramic roller kiln, etc. It is also used in traditional circulating fluidized bed boilers, garbage incinerators and other boilers.
High temperature resistance, high strength, can be lighter than traditional refractory materials, easy to install;
The thermal conductivity is 2-4 times that of ordinary refractory materials, which can save more fuel;
High hardness, good wear resistance, the service life is 3-5 times that of alloy steel and alumina ceramics;
◆ No deformation when the temperature changes suddenly, which can effectively solve the problems of furnace leakage caused by the deformation of traditional refractory materials;
◆ Strong resistance to acid and alkali erosion, will not produce pollution to the product;
The anti-solution, gas penetration ability, greatly extended service life.
Protection Tube
Widely used in iron and steel metallurgy, nonferrous metals, ceramics, industrial furnaces, heat treatment building materials, electric power, chemical and other high temperature environment.
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