CN202648390U - Medium-frequency induction furnace - Google Patents
Medium-frequency induction furnace Download PDFInfo
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- CN202648390U CN202648390U CN 201220196797 CN201220196797U CN202648390U CN 202648390 U CN202648390 U CN 202648390U CN 201220196797 CN201220196797 CN 201220196797 CN 201220196797 U CN201220196797 U CN 201220196797U CN 202648390 U CN202648390 U CN 202648390U
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Abstract
The utility model aims at providing a medium-frequency induction furnace which is long in service life, good in energy-saving effect and low in furnace wall temperature. The medium-frequency induction furnace comprises a casing, a coil, a magnet yoke and a furnace lining. The furnace lining is composed of a light coil slurry layer and a working layer, or a coil slurry layer and a structural heat insulation integrated composite brick or a structural heat insulation integrated double-layer composite pouring materials, or a coil slurry layer and a crucible. The whole furnace structure of the medium-frequency induction furnace is subjected to energy saving modification, the energy-saving effect of the induction furnace can be improved, heat capacity of the induction furnace can be reduced, the use quantity of fire-resisting materials is reduced in the condition of not influencing service life of the induction furnace, heat capacity is reduced, structural stability of the induction furnace is ensured, service life of the induction furnace is prolonged, and good economic benefit can be obtained.
Description
Technical field
The utility model belongs to technical field of ferrous metallurgy, is specifically related to a kind of have long service life, good energy-conserving effect, intermediate frequency furnace that furnace wall temperature is low.
Background technology
Intermediate frequency furnace is a kind ofly to utilize intermediate frequency power supply to set up intermediate frequency magnetic field to make Ferromagnetic Material produce eddy current and heating, thereby reaches a kind of smelting equipment of heating material, is mainly used in melting and the purification of the non-ferrous metals such as carbon steel, special steel, copper, aluminium.Intermediate frequency furnace is comprised of housing, coil, yoke and the furnace lining material of during welding for steel structure, and furnace lining is divided into coil pulp layer and working lining, coil pulp layer material is generally the corundum clay, working lining employing heavy brick or heavy castable, ramming mass, dried material and the refractory brick of shaking have insulating barrier between coil pulp layer and working lining.The intermediate frequency furnace furnace inner environment is abominable, and furnace temperature is rapidly heated to more than 1600 ℃ in the short time, and metal has from whipping process by electromagnetic field effect in smelting process after the thawing, and working lining is corroded and washes away very severe.In the intermediate frequency furnace design process, in order to reduce the temperature of body of heater, improve workman's condition of work, tend to logical circulating water in the induction furnace periphery, like this just in case bleed-out occurs in process of production or wears the steel accident, metal liquid with will cause huge personnel and property loss after cooling water contacts.
In intermediate frequency furnace, temperature of thermal field is high in the stove, lining thickness is thin, especially in use the industry of frequency induction furnace is often take basic refractory as main, the thermal conductivity of basic refractory is high, easily conducts heat to insulating barrier, affects the use of induction coil, moreover scattering and disappearing of heat also can be caused the reduction of stove inner metal liquid temperature, the effect that impact is smelted.Therefore how just to seem particularly important in the energy loss that guarantees the normal operating position decline Low Medium Frequency induction furnace of intermediate frequency furnace safety.
The utility model content
The purpose of this utility model is to propose a kind of have long service life, good energy-conserving effect, intermediate frequency furnace that furnace wall temperature is low.
Intermediate frequency furnace of the present utility model comprises housing, coil, yoke and furnace lining, it is characterized in that described furnace lining is comprised of lightweight coils pulp layer and working lining, or formed by coil pulp layer and structural heat-insulation integrative composite brick or structure heat-insulating integrated two-layer compound castable, or formed by coil pulp layer and crucible.
Further, for improving heat insulation effect and security, be equipped with insulating barrier or asbestos cloth or asbestos board or insulating barrier and asbestos cloth between described coil pulp layer and the working lining compound, or it is compound to be equipped with insulating barrier or asbestos cloth or asbestos board or insulating barrier and asbestos cloth between coil pulp layer and the structural heat-insulation integrative composite brick, or it is compound to be equipped with insulating barrier or asbestos cloth or asbestos board or insulating barrier and asbestos cloth between coil pulp layer and the structure heat-insulating integrated two-layer compound castable, or it is compound to be equipped with insulating barrier or asbestos cloth or asbestos board or insulating barrier and asbestos cloth between coil pulp layer and the crucible.
Specifically, described working lining is ramming mass or castable or dried material or heavy brick or structural heat-insulation integrative composite brick and the structure heat-insulating integrated two-layer compound castable formation of shaking.
Specifically, described structural heat-insulation integrative composite brick and structure heat-insulating integrated two-layer compound castable are comprised of light heat insulation layer and fine and close working lining from outside to inside successively.
Specifically, the aggregate of described lightweight coils pulp layer is one or more the mixture in alumina hollow ball, Magnalium hollow ball, corundum bollow ball, light-weight mullite particle or the high alumina particles of lightweight.
Specifically, the material of the fine and close working lining of described ramming mass, castable, the dried material that shakes, heavy brick, structural heat-insulation one composite brick, the fine and close working lining of structure heat-insulating integrated two-layer compound castable and crucible is that quartz, High-Alumina, magnesia, mullite, corundum, dolomite, magnesium are calcareous, magnesium zirconium matter, magnesium chromium matter, silicon carbide, high aluminum-silicon carbide, the mixture of one or more in periclase-silicon carbide, the white olivine.
The utility model has carried out comprehensive reducing energy consumption to whole intermediate frequency furnace furnace structure, can improve the induction furnace energy-saving effect and reduce thermal capacitance, under the condition that does not affect service life, reduce the refractory material consumption, reduce thermal capacitance, guarantee the stability of structure and prolonged service life, and can obtain good economic benefit.
Description of drawings
Fig. 1 is the structure chart of intermediate frequency furnace of the present utility model
Fig. 2 is the structure chart of the furnace lining of intermediate frequency furnace of the present utility model.
The specific embodiment
The below contrasts accompanying drawing, by the description to embodiment, the effect of the mutual alignment between the shape of the specific embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and operation principle etc. are described in further detail.
Embodiment 1:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with mica-sheet insulation layer 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for alumina hollow ball, working lining 3 is high-alumina structure heat-insulation integrated composite brick, working lining 3 is provided with light heat insulation layer 31 and fine and close working lining 32, wherein fine and close working lining 32 is High-Aluminas, and it is aggregate that light heat insulation layer 31 adopts alumina hollow ball.
Embodiment 2:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with mica-sheet insulation layer and asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for corundum bollow ball, working lining is the magnesium brick structural heat-insulation integrative composite brick, working lining 3 is provided with light heat insulation layer 31 and fine and close working lining 32, wherein fine and close working lining 32 is magnesia, and it is aggregate that light heat insulation layer 31 adopts corundum bollow ball.
Embodiment 3:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for Magnalium hollow ball, working lining 3 is the mullite structure heat-insulating integrated composite brick, working lining 3 is provided with light heat insulation layer 31 and fine and close working lining 32, wherein fine and close working lining 32 is mullites, and it is aggregate that light heat insulation layer 31 adopts Magnalium hollow ball.
Embodiment 4:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for the high alumina particles of lightweight, working lining 3 is high alumina-silicon carbide structure heat-insulating integrated composite brick, working lining 3 is provided with light heat insulation layer 31 and fine and close working lining 32, wherein fine and close working lining 32 is high aluminum-silicon carbides, and it is aggregate that light heat insulation layer 31 adopts the high alumina particles of lightweight.
Embodiment 5:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos board 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for the light-weight mullite particle, working lining 3 is periclase-silicon carbide structure heat-insulating integrated composite brick, working lining 3 is provided with light heat insulation layer 31 and fine and close working lining 32, wherein fine and close working lining 32 is periclase-silicon carbides, and it is aggregate that light heat insulation layer 31 adopts the light-weight mullite particle.
Embodiment 6:
As shown in Figure 1; the intermediate frequency furnace of the present embodiment comprises housing 10; coil 20; yoke 30 and furnace lining 40; wherein the structure of furnace lining 40 as shown in Figure 2; formed by coil pulp layer 1 and working lining 3; be provided with asbestos board 2 between coil pulp layer 1 and the working lining 3; coil pulp layer 1 is corundum bollow ball; alumina hollow ball; Magnalium hollow ball; light-weight mullite particle and lightweight high alumina granulate mixture are the light heat insulation layer of aggregate; working lining 3 is magnesium chromium structural heat-insulation integrative composite brick; working lining 3 is provided with light heat insulation layer 31 and fine and close working lining 32; wherein fine and close working lining 32 is magnesium chromium matter, and light heat insulation layer 31 adopts corundum bollow ball; alumina hollow ball; Magnalium hollow ball; light-weight mullite particle and lightweight high alumina granulate mixture are aggregate.
Embodiment 7:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with empire cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the corundum coating, working lining 3 is the forsterite structural heat-insulation integrative composite brick, working lining 3 is provided with light heat insulation layer 31 and fine and close working lining 32, wherein fine and close working lining 32 is white olivines, and it is aggregate that light heat insulation layer 31 adopts Magnalium hollow ball.
Embodiment 8:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with empire cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the High-Alumina coating, working lining 3 is high-alumina structure heat-insulation integrated two-layer compound castable, working lining 3 is provided with light heat insulation layer 31 and fine and close working lining 32, wherein fine and close working lining 32 is High-Aluminas, and it is aggregate that light heat insulation layer 31 adopts alumina hollow ball.
Embodiment 9:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with mica-sheet insulation layer 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the corundum coating, working lining 3 is the structure heat-insulating integrated two-layer compound castable of magnesium brick, working lining 3 is provided with light heat insulation layer 31 and fine and close working lining 32, wherein fine and close working lining 32 is magnesia, and it is aggregate that light heat insulation layer 31 adopts corundum bollow ball.
Embodiment 10:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for Magnalium hollow ball, working lining 3 is the cast of mullite structure heat-insulation integrative two-layer compound, working lining 3 is provided with light heat insulation layer 31 and fine and close working lining 32, wherein fine and close working lining 32 is mullites, and it is aggregate that light heat insulation layer 31 adopts Magnalium hollow ball.
Embodiment 11:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for the high alumina particles of lightweight, working lining 3 is high alumina-silicon carbide structure heat-insulation integrative two-layer compound cast, working lining 3 is provided with light heat insulation layer 31 and fine and close working lining 32, wherein fine and close working lining 32 is high aluminum-silicon carbides, and it is aggregate that light heat insulation layer 31 adopts the high alumina particles of lightweight.
Embodiment 12:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos board 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for the light-weight mullite particle, working lining 3 is periclase-silicon carbide structure heat-insulation integrative two-layer compound castable, working lining 3 is provided with light heat insulation layer 31 and fine and close working lining 32, wherein fine and close working lining 32 is periclase-silicon carbides, and it is aggregate that light heat insulation layer 31 adopts the light-weight mullite particle.
Embodiment 13:
As shown in Figure 1; the intermediate frequency furnace of the present embodiment comprises housing 10; coil 20; yoke 30 and furnace lining 40; wherein the structure of furnace lining 40 as shown in Figure 2; formed by coil pulp layer 1 and working lining 3; be provided with empire cloth 2 between coil pulp layer 1 and the working lining 3; coil pulp layer 1 is corundum bollow ball; alumina hollow ball; Magnalium hollow ball; light-weight mullite particle and lightweight high alumina granulate mixture are the light heat insulation layer of aggregate; working lining 3 is the structure heat-insulating integrated two-layer compound castable of magnesium chromium; working lining 3 is provided with light heat insulation layer 31 and fine and close working lining 32; wherein fine and close working lining 32 is magnesium chromium matter, and light heat insulation layer 31 adopts corundum bollow ball; alumina hollow ball; Magnalium hollow ball; light-weight mullite particle and lightweight high alumina granulate mixture are aggregate.
Embodiment 14:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with empire cloth and asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the corundum coating, working lining 3 is the structure heat-insulating integrated two-layer compound castable of forsterite, working lining 3 is disposed with light heat insulation layer 31 and fine and close working lining 32 from outside to inside, wherein fine and close working lining 32 is white olivines, and it is aggregate that light heat insulation layer 31 adopts Magnalium hollow ball.
Embodiment 15:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with mica-sheet insulation layer 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for alumina hollow ball, and working lining 3 is the High-Alumina ramming mass.
Embodiment 16:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with mica-sheet insulation layer 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for corundum bollow ball, and working lining 3 is magnesian ramming mass.
Embodiment 17:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for Magnalium hollow ball, and working lining 3 is the corundum ramming mass.
Embodiment 18:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for the high alumina particles of lightweight, and working lining 3 is magnalium matter ramming mass.
Embodiment 19:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos board 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for the light-weight mullite particle, and working lining 3 is quartziferous.
Embodiment 20:
As shown in Figure 1; the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40; wherein the structure of furnace lining 40 as shown in Figure 2; formed by coil pulp layer 1 and working lining 3; be provided with asbestos board 2 between coil pulp layer 1 and the working lining 3; coil pulp layer 1 is the light heat insulation layer of aggregate for corundum bollow ball, alumina hollow ball, Magnalium hollow ball, light-weight mullite particle and lightweight high alumina granulate mixture, and working lining 3 is the dried material that shakes of magnesium chromium matter.
Embodiment 21:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with empire cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the corundum coating, and working lining 3 is the calcareous dried material that shakes of magnesium.
Embodiment 22:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with mica-sheet insulation layer 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for alumina hollow ball, and working lining 2 is the magnesium zirconium pounding rice material.
Embodiment 23:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with empire cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for corundum bollow ball, and working lining 3 is magnesia brick.
Embodiment 24:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for Magnalium hollow ball, and working lining 3 is corundum brick.
Embodiment 25:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for the high alumina particles of lightweight, and working lining 3 is siliceous mullite brick.
Embodiment 26:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos board 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for the light-weight mullite particle, and working lining 3 is quartzy ramming mass.
Embodiment 27:
As shown in Figure 1; the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40; wherein the structure of furnace lining 40 as shown in Figure 2; formed by coil pulp layer 1 and working lining 3; be provided with asbestos board 2 between coil pulp layer 1 and the working lining 3; coil pulp layer 1 is the light heat insulation layer of aggregate for corundum bollow ball, alumina hollow ball, Magnalium hollow ball, light-weight mullite particle and lightweight high alumina granulate mixture, and working lining 3 is siliceous mullite brick.
Embodiment 28:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with empire cloth and asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the corundum coating, and working lining 3 is periclase-silicon carbide brick.
Embodiment 29:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for Magnalium hollow ball, and working lining 3 is corundum crucible.
Embodiment 30:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for the high alumina particles of lightweight, and working lining 3 is the high alumina crucible.
Embodiment 31:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with asbestos board 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the light heat insulation layer of aggregate for the light-weight mullite particle, and working lining 3 is magnesia crucible.
Embodiment 32:
As shown in Figure 1; the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40; wherein the structure of furnace lining 40 as shown in Figure 2; formed by coil pulp layer 1 and working lining 3; be provided with asbestos board 2 between coil pulp layer 1 and the working lining 3; coil pulp layer 1 is the light heat insulation layer of aggregate for corundum bollow ball, alumina hollow ball, Magnalium hollow ball, light-weight mullite particle and lightweight high alumina granulate mixture, and working lining 3 is the corundum-mullite crucible.
Embodiment 33:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with empire cloth and asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the corundum coating, and working lining 3 is periclase-silicon carbide crucible.
Embodiment 34:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with empire cloth and asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the corundum coating, and working lining 3 is silica crucible.
Embodiment 35:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with empire cloth and asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the corundum coating, and working lining 3 is magnesium zirconium matter crucible.
Embodiment 36:
As shown in Figure 1, the intermediate frequency furnace of the present embodiment comprises housing 10, coil 20, yoke 30 and furnace lining 40, wherein the structure of furnace lining 40 as shown in Figure 2, formed by coil pulp layer 1 and working lining 3, be provided with empire cloth and asbestos cloth 2 between coil pulp layer 1 and the working lining 3, coil pulp layer 1 is the corundum coating, and working lining 3 is silicon carbide crucible.
Claims (4)
1. intermediate frequency furnace, comprise housing, coil, yoke and furnace lining, it is characterized in that described furnace lining is comprised of lightweight coils pulp layer and working lining, or formed by coil pulp layer and structural heat-insulation integrative composite brick or structure heat-insulating integrated two-layer compound castable, or formed by coil pulp layer and crucible.
2. intermediate frequency furnace according to claim 1, it is characterized in that being equipped with between described coil pulp layer and the working lining insulating barrier or asbestos cloth or asbestos board or insulating barrier and asbestos cloth compound, or it is compound to be equipped with insulating barrier or asbestos cloth or asbestos board or insulating barrier and asbestos cloth between coil pulp layer and the structural heat-insulation integrative composite brick, or it is compound to be equipped with insulating barrier or asbestos cloth or asbestos board or insulating barrier and asbestos cloth between coil pulp layer and the structure heat-insulating integrated two-layer compound castable, or it is compound to be equipped with insulating barrier or asbestos cloth or asbestos board or insulating barrier and asbestos cloth between coil pulp layer and the crucible.
3. intermediate frequency furnace according to claim 1 and 2 is characterized in that described working lining is ramming mass or castable or dried material or heavy brick or structural heat-insulation integrative composite brick and the structure heat-insulating integrated two-layer compound castable formation of shaking.
4. according to claim 1 and 2 or 3 described intermediate frequency furnaces, it is characterized in that described structural heat-insulation integrative composite brick and structure heat-insulating integrated two-layer compound castable are comprised of light heat insulation layer and fine and close working lining from outside to inside successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220196797 CN202648390U (en) | 2012-05-04 | 2012-05-04 | Medium-frequency induction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220196797 CN202648390U (en) | 2012-05-04 | 2012-05-04 | Medium-frequency induction furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202648390U true CN202648390U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220196797 Expired - Fee Related CN202648390U (en) | 2012-05-04 | 2012-05-04 | Medium-frequency induction furnace |
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| CN (1) | CN202648390U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628649A (en) * | 2012-05-04 | 2012-08-08 | 苏州罗卡节能科技有限公司 | Medium frequency induction furnace |
| CN108118108A (en) * | 2018-03-09 | 2018-06-05 | 中冶赛迪工程技术股份有限公司 | Improve the induction heating method and system of melten iron in hot-metal mixer temperature |
-
2012
- 2012-05-04 CN CN 201220196797 patent/CN202648390U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628649A (en) * | 2012-05-04 | 2012-08-08 | 苏州罗卡节能科技有限公司 | Medium frequency induction furnace |
| CN108118108A (en) * | 2018-03-09 | 2018-06-05 | 中冶赛迪工程技术股份有限公司 | Improve the induction heating method and system of melten iron in hot-metal mixer temperature |
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