CN105018740A - Vacuum reduction furnace for electromagnetic induction heating melting reduction of magnesium metal - Google Patents
Vacuum reduction furnace for electromagnetic induction heating melting reduction of magnesium metal Download PDFInfo
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- CN105018740A CN105018740A CN201510479899.4A CN201510479899A CN105018740A CN 105018740 A CN105018740 A CN 105018740A CN 201510479899 A CN201510479899 A CN 201510479899A CN 105018740 A CN105018740 A CN 105018740A
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- 230000009467 reduction Effects 0.000 title claims abstract description 33
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000002844 melting Methods 0.000 title claims abstract description 23
- 230000008018 melting Effects 0.000 title claims abstract description 23
- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 title claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229910052742 iron Inorganic materials 0.000 claims abstract description 19
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 19
- 239000011777 magnesium Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 239000011810 insulating material Substances 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 238000009413 insulation Methods 0.000 claims description 24
- 239000002893 slag Substances 0.000 claims description 21
- 238000002425 crystallisation Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims 3
- 238000001816 cooling Methods 0.000 claims 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 17
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052791 calcium Inorganic materials 0.000 abstract description 6
- 239000011575 calcium Substances 0.000 abstract description 6
- 229910052744 lithium Inorganic materials 0.000 abstract description 6
- 229910052712 strontium Inorganic materials 0.000 abstract description 6
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000006722 reduction reaction Methods 0.000 description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 229910002804 graphite Inorganic materials 0.000 description 9
- 239000010439 graphite Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 238000011946 reduction process Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 241001417490 Sillaginidae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910000753 refractory alloy Inorganic materials 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Furnace Details (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
本发明涉及真空冶金设备技术领域，具体为一种电磁感应加热熔融还原金属镁真空还原炉，包括炉体（1），所述炉体内设置有由硬质保温材料制成的料斗（4），所述料斗的中心部设有穿过料斗底面的中心通道；所述料斗底面同心设置有一个或者多个环状沟槽（7），所述沟槽（7）内设有固态或者熔融态的铁；所述炉体（1）内设置有矩形铁芯（6），所述矩形铁芯（6）的一条边穿过料斗（4）的中心通道，所述矩形铁芯（6）的另一条边绕有原边线圈（9）；所述原边线圈（9）的铜质绕组引出端经炉体上的绝缘密封装置引出至炉外与电源装置相连。本发明设计合理，可以调节还原炉温度场的分布，传热效率快；用于镁、锂，锶、钙等高蒸汽压金属热还原法生产。
The invention relates to the technical field of vacuum metallurgical equipment, in particular to a vacuum reduction furnace for melting and reducing metal magnesium by electromagnetic induction, comprising a furnace body (1), and the furnace body is provided with a hopper (4) made of hard heat insulating material, The central part of the hopper is provided with a central channel passing through the bottom surface of the hopper; the bottom surface of the hopper is concentrically provided with one or more annular grooves (7), and the grooves (7) are provided with solid or molten iron; the furnace body (1) is provided with a rectangular iron core (6), one side of the rectangular iron core (6) passes through the central channel of the hopper (4), and the other side of the rectangular iron core (6) A primary side coil (9) is wound on one side; the lead-out end of the copper winding of the primary side coil (9) is led out of the furnace through an insulating sealing device on the furnace body to be connected with a power supply device. The invention has reasonable design, can adjust the distribution of the temperature field of the reduction furnace, and has fast heat transfer efficiency; it is used for the production of magnesium, lithium, strontium, calcium and other high vapor pressure metal thermal reduction methods.
Description
Technical field
The present invention relates to vacuum metallurgy equipment technical field, be specially a kind of electromagnetic induction heating melting and reducing MAGNESIUM METAL vacuum reducing stove, can be used for hot reducing method and prepare magnesium, lithium, the equipment of the high-vapor-pressure metal such as strontium, calcium.
Background technology
The high-vapor-pressure metals such as magnesium, lithium, strontium, calcium, can use hot reducing method to prepare under vacuum.At present in MAGNESIUM METAL production field, widely used reduction apparatus is the reductive jar using the direct heating such as combustion gas to be made up of refractory alloy.This method is by the restriction of reductive jar structure and material property, and temperature of reaction is low, heat transfer is slow, energy consumption is high, and consumes the nichrome of costliness in a large number due to the oxidation equal loss of reductive jar.
Electrothermic type fusion reducing furnace can overcome the problems such as the high and reductive jar consumption of the energy consumption of external-heat reduction furnace.As U.S. Patent 2,971, the 833 molten state magnesium reducing furnaces disclosing a kind of alternating current resistance stove principle in 1961.Reduction is carry out in the electroslag conduction stove of liner at graphite.AC power is by upper Graphite Electrodes, and melting Conductive Slag, graphite liner forms loop.The joule heating effect of loop current makes Conductive Slag maintain molten state and the heat provided needed for reduction reaction.Reduction reaction then occurs with liquid-solid and liquid liquid two kinds of modes.React in liquid state, the mass transfer of material is easily more solid-state, and therefore speed of response is fast, and the recovery time shortens greatly.Raw material all enters stove with block material, does not need brokenly pulverizing, ball processed and briquetting, greatly reduces labour cost, improve production efficiency.U.S. Patent 4,699,653. disclosed a kind of molten metal magnesium reducing furnace being called MINTEK in 1987.The direct current arc that uses this stove heats with graphite the Conductive Slag in the burner hearth being liner, and electric current is through upper Graphite Electrodes equally, melting Conductive Slag, and graphite liner forms loop.
Prior art Problems existing is: first need in burner hearth to be equipped with first slag.Stove is from needing extra facility and operation during cold start, and start-up course is complicated, application inconvenience.The loss at high temperature of Graphite Electrodes and graphite liner is comparatively large, and cost of equipment maintenance is high.
Summary of the invention
For the technical barrier of existing electrothermal melting state vacuum reducing stove, the invention provides a kind of electromagnetic induction heating melting and reducing MAGNESIUM METAL vacuum reducing stove, for magnesium, lithium, the high-vapor-pressure metal such as strontium, calcium hot reducing method is produced.
The present invention adopts following technical scheme to realize:
A kind of electromagnetic induction heating melting and reducing MAGNESIUM METAL vacuum reducing stove, comprise body of heater, be provided with by hard insulating material finish mix bucket in described body of heater, the central part of described hopper is provided with the centre channel through hopper bottom, and the section of hopper on any one radius takes the shape of the letter U; Described hopper bottom is provided with one or more annular ditch groove with one heart, is provided with iron that is solid-state or molten state in described groove.
Be provided with rectangle iron core in described body of heater, the centre channel of hopper is passed on a limit of described rectangle iron core, and another limit of described rectangle iron core is wound with primary coil; The insulation seal device of copper winding leading-out end on body of heater of described primary coil leads to outside stove and is connected with supply unit.
Thermal insulation layer is provided with between described body of heater and hopper; Thermal insulation layer is provided with between described rectangle iron core and hopper; Then the splicing of thermal insulation layer, hopper and rectangle iron core is fixing.
Described body of heater top is provided with feeding-passage, this feeding-passage run through after thermal insulation layer with hopper UNICOM.
Described bottom of furnace body is provided with slagging channel, this slagging channel run through after thermal insulation layer and hopper with hopper intracavity bottom UNICOM.
Described upper of furnace body, by metallic vapor expanding channels crystallisation chamber, is provided with thermal insulation layer in described metallic vapor passage, described metallic vapor passage offers and slightly takes out mouth.
Described crystallisation chamber is outside equipped with water jacket, and described crystallisation chamber top is provided with essence and takes out mouth.
During work, first the reduction furnace charge of powdery is seated in feed hopper bottom by the feeding-passage at body of heater top, directly contacts with the iron of feed hopper bottom and heals slag (residue that the last time smelts).Recharge granular or block furnace charge in the top of powdery reduction furnace charge.The high-frequency alternating current be applied on copper winding by supply unit produces the magnetic field of alternation in the core which.The magnetic field of this alternation produces induced current in the annular iron of feed hopper bottom, and the heat that electric current produces is heated heals slag and furnace charge by conduction and radiation two kinds of modes.After furnace charge and material slag are heated to molten state, it also has electroconductibility, and the induced current of its inside also produces heat and jointly heats furnace charge.By this electromagnetic induction process, electric energy contactlessly passes to iron hoop and melting charge slag reacting by heating furnace charge and supplies reduction reaction.Along with the melting of furnace charge, reduction reaction occurs in liquid-solid and liquid liquid two kinds of modes.Finally, the whole melting of furnace charge, reduction reaction completes.
Slag-drip opening is provided with in the side of feed hopper bottom.After reduction reaction completes, vacuum breaker, opens slag-drip opening, and liquid material slag will flow out automatically; The mode that also air pump can be adopted to pressurize impels material slag to discharge fast.Because density is different, heavier molten iron sinks in the groove of feed hopper bottom and can not be discharged, and produces heat in order to the induced current when next working cycle is initial; Unnecessary molten iron is discharged with material slag, because density is different, the outer molten iron of stove can with material slag separated and collected.
In reduction process, slightly take out mouth in thick vacuumizing phase use and bleed, thus the floating dust in furnace chamber gas can not be deposited in crystallisation chamber the purity drop making Crystalline Magnesium.When reaching higher vacuum tightness, now gas flow is very low, closes and slightly takes out mouth, takes out mouthful to vacuumize from the essence through crystallisation chamber.
Preferably, a limit of iron core is positioned on the axis of cylindrical furnace chamber, and passes the center of hollow circle tube hopper, and furnace shell wall is pressed close on other three limits of iron core.
Further, in order to make the charging of reduction furnace more convenient.
Design reduction top, room is provided with multiple feeding-passage, and from then on furnace charge falls to loading hopper naturally.
Compared with prior art, the present invention's advantage specific as follows:
1, hopper is made up of hard insulating material, does not need to use conductive graphite liner, and cheap, should not damage under high temperature, operation expense is low.
2, initial heating element is the iron in feed hopper bottom groove, and low-silicon iron residual in furnace charge in reduction process constantly can supplement it, and unnecessary molten iron can be drained with material slag.Initial heating element does not need to safeguard in operational process.
3, the material slag in hopper can must be drained as far as possible, as heating element when need not leave recrement for again starting.The space of hopper can leave the new furnace charge loaded more for.This reduction furnace can adopt the batch production flow process of similar Pidgeon process like this, to obtain product more highly purified than existing technique.
4, the distributed number of the cannelure of feed hopper bottom needs design according to thermal field.Uniformity of temperature profile in heat-processed, does not have hot spot.
5, power supply puts on the primary coil of an Equivalent Transformer by electric supply installation, and service voltage is high, and feeding electrode electric current is little.Feeding electrode does not contact with heating element simultaneously, and thus without the need to using water cooled electrode, furnace binding is simple, and calorific loss is little.
6, residual after furnace charge reduction reaction low-silicon iron can be recovered.
7, this reduction furnace in the course of the work need not continuous charging, and adopt disposable feed way, also heating current loop can not be destroyed, this reduction furnace can also adopt the batch production flow process of similar Pidgeon process like this, be convenient to and existing Pidgeon process process compatible, and the difficulty that technique is changed and risk reduce.
8, furnace shell entirety is formed, and does not have movable part, and furnace shell is convenient to realize sealing, allows reduction process to carry out under various vacuum condition.
The present invention is reasonable in design, and can regulate the distribution in reduction furnace temperature field, heat transfer efficiency is fast; Be mainly used in magnesium, lithium, the high-vapor-pressure metal such as strontium, calcium hot reducing method is produced.
Accompanying drawing explanation
Fig. 1 represents structural representation of the present invention.
Fig. 2 represents electromagnetic assembly sectional view.
In figure, 1-body of heater, 2-crystallisation chamber, 3-reduces furnace charge, and 4-hopper, 5-metallic vapor passage, 6-rectangle iron core, 7-groove, 8-thermal insulation layer, 9-primary coil, 10-feeding-passage, 11-slagging channel, 12-water cooled pipeline, 13-slightly takes out mouth, and 14-essence takes out mouth, 15-water jacket.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.
A kind of electromagnetic induction heating melting and reducing MAGNESIUM METAL vacuum reducing stove, comprising body of heater, is vertical heater.
As shown in Figure 1, be provided with by hard insulating material finish mix bucket 4 in body of heater 1, the central part of described hopper 4 is provided with the centre channel through hopper 4 bottom surface, then the section of hopper on any one radius roughly takes the shape of the letter U; Described hopper 4 bottom surface is provided with one or more annular ditch groove 7 with one heart, and be provided with iron that is solid-state or molten state in described groove 7, annular iron is as heating member.The shape of cross section of groove 7 is inverted trapezoidal short under upper length.
As shown in Figure 1, be provided with rectangle iron core 6 in described body of heater 1, a limit of described rectangle iron core 6 is passed the centre channel of hopper 4 and is positioned on the central axis of cylindrical furnace, also arranges thermal insulation layer 8 between the centre channel of hopper and rectangle iron core 6.Furnace shell wall is pressed close on other three limits of iron core.Another limit of described rectangle iron core 6 is wound with primary coil 9, and the inner side being positioned at primary coil winding is provided with the water jacket 12(of perpendicular layout as shown in Figure 2); The insulation seal device of copper winding leading-out end on body of heater of described primary coil 9 leads to outside stove and is connected with supply unit.The high-frequency alternating current be applied on copper winding by supply unit produces the magnetic field of alternation in the core which, and the magnetic field of this alternation produces induced current in the annular iron of feed hopper bottom, and then heating furnace charge.
As shown in Figure 1, thermal insulation layer 8 is provided with between described body of heater 1 and hopper 4; Thermal insulation layer 8 is provided with between described rectangle iron core 6 and hopper 4; Then the splicing of thermal insulation layer 8, hopper 4 and rectangle iron core 6 is fixing.So casing temperature is only a little more than envrionment temperature, so body of heater adopts general carbon steel to make.General carbon steel is the abbreviation of carbon structural steel, belongs to soft steel, and carbon content is less than 0.38%, the most conventional to be less than 0.25%.
Described hopper 4 adopts alumina hollow ball to make; Alumina hollow ball is a kind of novel high temperature insulating material, and it forms with commercial alumina melting blowing in electric furnace, and crystal formation is a-Al
2o
3microcrystal.Based on alumina hollow ball, can be made into different shape goods, maximum operation (service) temperature 1800 DEG C, products machinery intensity is high, be the several times of general light weight product, and volume density is only 1/2nd of corundum products.High temperature, the ultrahigh-temperature kilns such as petrochemical industry vapourizing furnace, off-colour industry Reaktionsofen, metallurgical industry induction furnace are used widely, achieve well-content energy-saving effect.
Described thermal insulation layer 8 adopts ceramic fiber blanket to make.Ceramic fiber blanket has low heat conductivity, low heat capacity, excellent chemical stability, excellent thermostability and shock resistance, excellent tensile strength, excellent sound absorbing, is the excellent materials in heat insulating refractory material.
As shown in Figure 1, described body of heater 1 top is provided with feeding-passage 10, and this feeding-passage 10 runs through after thermal insulation layer 8 and hopper 4 UNICOM.This body of heater is one-piece construction, furnace charge is directly put in hopper 4 by feeding-passage 10, first the reduction furnace charge of powdery is seated in feed hopper bottom, directly with iron and the heals slag close contact of feed hopper bottom, more granular or block furnace charge is put into powdery and reduce the top of furnace charge.On iron core after primary coil energising, the heat that in annular iron, electric current produces is heated heals slag and powdery furnace charge by conduction and radiation two kinds of modes, accelerates the heat-up rate of furnace charge.After powdery furnace charge and material slag are heated to molten state, it also has electroconductibility, and the induced current of its inside also produces heat and jointly heats granular and bulk material, and reduction reaction occurs in liquid-solid and liquid liquid two kinds of modes.Finally, the whole melting of furnace charge, reduction reaction completes.
As shown in Figure 1, be provided with slagging channel 11 bottom described body of heater 1, this slagging channel 11 runs through after thermal insulation layer 8 and UNICOM bottom hopper 4; This slag-drip opening is positioned at above groove 7 just, and after having reacted, due to action of gravity, molten iron sinks in groove, can not flow out with slag, for heating is prepared next time.
As shown in Figure 1, described upper of furnace body connects crystallisation chamber 2 by metallic vapor passage 5, is provided with thermal insulation layer 8 in described metallic vapor passage 5, described metallic vapor passage 5 offers and slightly takes out mouth 13.Described crystallisation chamber 2 is outside equipped with water jacket 15, and described crystallisation chamber 2 top is provided with essence and takes out mouth 14.Slightly take out mouth in thick vacuumizing phase use to bleed, thus the floating dust in furnace chamber gas can not deposit in a crystallizer and make the purity drop of Crystalline Magnesium.When reaching higher vacuum tightness, now gas flow is very low, closes and slightly takes out mouth, take out mouth vacuumize from the essence through crystallizer.Whole heating element is in vacuum environment inside, stressed very little, and due to the protection of vacuum not oxidizable.
Above-mentioned vacuum reducing stove is mainly used in magnesium, lithium, and the high-vapor-pressure metal such as strontium, calcium hot reducing method is produced.
It should be noted last that; above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted; although be described in detail with reference to the embodiment of the present invention; those of ordinary skill in the art is to be understood that; technical scheme of the present invention is modified or equivalent replacement; do not depart from the spirit and scope of technical scheme of the present invention, it all should be contained in claims of the present invention.
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510479899.4A CN105018740B (en) | 2015-08-07 | 2015-08-07 | Vacuum reduction furnace for electromagnetic induction heating melting reduction of magnesium metal |
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| CN201510479899.4A CN105018740B (en) | 2015-08-07 | 2015-08-07 | Vacuum reduction furnace for electromagnetic induction heating melting reduction of magnesium metal |
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| CN105018740A true CN105018740A (en) | 2015-11-04 |
| CN105018740B CN105018740B (en) | 2017-03-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990713A (en) * | 2018-01-11 | 2018-05-04 | 山西大学 | A kind of single-screw embeds hot magnesium vacuum reduction stove in Exciting-simulator system electromagnetic induction |
| CN108050839A (en) * | 2018-01-11 | 2018-05-18 | 山西大学 | A kind of double helix embeds hot magnesium vacuum reduction stove in Exciting-simulator system electromagnetic induction |
| CN110629041A (en) * | 2019-10-24 | 2019-12-31 | 中国恩菲工程技术有限公司 | Antimony oxide reduction smelting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090056499A1 (en) * | 2007-08-31 | 2009-03-05 | Tsinghua University | Method and apparatus for making magnesium-based alloy |
| CN104651636A (en) * | 2015-02-06 | 2015-05-27 | 牛强 | Vacuum electrothermal magnesium smelting apparatus with protector |
| CN204848984U (en) * | 2015-08-07 | 2015-12-09 | 山西大学 | Electromagnetic induction heating melting reducing metal magnesium vacuum reduction stove |
-
2015
- 2015-08-07 CN CN201510479899.4A patent/CN105018740B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090056499A1 (en) * | 2007-08-31 | 2009-03-05 | Tsinghua University | Method and apparatus for making magnesium-based alloy |
| CN104651636A (en) * | 2015-02-06 | 2015-05-27 | 牛强 | Vacuum electrothermal magnesium smelting apparatus with protector |
| CN204848984U (en) * | 2015-08-07 | 2015-12-09 | 山西大学 | Electromagnetic induction heating melting reducing metal magnesium vacuum reduction stove |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990713A (en) * | 2018-01-11 | 2018-05-04 | 山西大学 | A kind of single-screw embeds hot magnesium vacuum reduction stove in Exciting-simulator system electromagnetic induction |
| CN108050839A (en) * | 2018-01-11 | 2018-05-18 | 山西大学 | A kind of double helix embeds hot magnesium vacuum reduction stove in Exciting-simulator system electromagnetic induction |
| CN107990713B (en) * | 2018-01-11 | 2024-03-12 | 山西大学 | Single-screw embedded excitation type electromagnetic induction internal heat magnesium vacuum reduction furnace |
| CN108050839B (en) * | 2018-01-11 | 2024-03-12 | 山西大学 | Double-screw embedded excitation type electromagnetic induction internal heat magnesium vacuum reduction furnace |
| CN110629041A (en) * | 2019-10-24 | 2019-12-31 | 中国恩菲工程技术有限公司 | Antimony oxide reduction smelting device |
| CN110629041B (en) * | 2019-10-24 | 2024-03-19 | 中国恩菲工程技术有限公司 | Antimony oxide reduction smelting device |
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| Publication number | Publication date |
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| CN105018740B (en) | 2017-03-22 |
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