CN219665069U - Clean and close melting casting furnace for preparing high-purity magnesium and magnesium alloy - Google Patents
Clean and close melting casting furnace for preparing high-purity magnesium and magnesium alloy Download PDFInfo
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- CN219665069U CN219665069U CN202320513889.8U CN202320513889U CN219665069U CN 219665069 U CN219665069 U CN 219665069U CN 202320513889 U CN202320513889 U CN 202320513889U CN 219665069 U CN219665069 U CN 219665069U
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- magnesium
- ingot mould
- ingot
- crucible
- magnesium alloy
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 77
- 239000011777 magnesium Substances 0.000 title claims abstract description 77
- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 28
- 238000005266 casting Methods 0.000 title claims abstract description 26
- 238000002844 melting Methods 0.000 title description 2
- 230000008018 melting Effects 0.000 title description 2
- 238000001816 cooling Methods 0.000 claims abstract description 60
- 238000003723 Smelting Methods 0.000 claims abstract description 11
- 239000011261 inert gas Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 230000008093 supporting effect Effects 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 22
- 239000002184 metal Substances 0.000 abstract description 22
- 239000007788 liquid Substances 0.000 abstract description 17
- 239000002994 raw material Substances 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 238000009749 continuous casting Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Substances [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 125000001309 chloro group Chemical class Cl* 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003519 biomedical and dental material Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
A net-density casting furnace for preparing high-purity magnesium and magnesium alloy, comprising: the device comprises an upper cover, a furnace body, a crucible, a forming die, a die box, a heater, a die lifting mechanism, a vacuum system and an inert gas protection system, wherein the crucible is divided into an upper cavity and a lower cavity, the middle is separated by a filter plate, the upper cavity is a smelting area and is used for smelting raw magnesium or magnesium alloy raw materials, the lower cavity is a net-closely cast ingot forming area and is used for forming high-purity magnesium and magnesium alloy cast ingots, the filter plate is used for filtering molten metal, and the filtered pure magnesium or magnesium alloy solution is injected into the die cavity; the periphery of the magnesium ingot mould is heated by a heater, and after the bottom of the ingot mould is cooled by a cooling disc, the metal liquid in the cavity of the mould is cooled in a gradient way from inside to outside and from bottom to top, so that pure and compact high-purity magnesium and magnesium alloy ingots are prepared.
Description
[ field of technology ]
The utility model relates to a casting furnace, in particular to a net-density casting furnace for preparing high-purity magnesium and magnesium alloy.
[ background Art ]
Magnesium is the lightest metal structural material, is used as a reducing agent of metals such as titanium, zirconium, hafnium and the like, and is used as a promising energy storage material and biomedical material. High purity magnesium and magnesium alloy ingots determine downstream high quality applications.
At present, magnesium and magnesium alloy are generally refined by adopting an open type smelting furnace to form high-temperature molten casting liquid metal, and then the high-temperature molten casting liquid metal is added into a continuous casting machine to be cooled under the protection of air or partial gas to form an ingot, so that two kinds of equipment are needed, the production cost is increased, meanwhile, the cooling speed of the ingot is generally higher, the shrinkage cavity phenomenon can be caused on the surface of the ingot, after the shrinkage cavity of the ingot occurs, chlorine salt is often mixed in the ingot, sometimes even the ingot is embedded deeply, and the ingot is not easy to brush, so that the quality of the ingot can be influenced. And after the chlorine salt absorbs moisture, hydrochloric acid solution generated by hydrolysis permeates into the center of the ingot to cause corrosion, so that the ingot with large shrinkage cavity is difficult to store.
For solving shrinkage cavity scheduling problem that appears in the ingot casting cooling process, the patent application number 201721348808.4 discloses a constant temperature equipment for magnesium ingot caster, and it is used for installing and provides invariable temperature protection for a plurality of magnesium ingot grooves (corresponding to the mould) that set up in magnesium ingot caster lower part, magnesium ingot caster includes a action wheel and a follow driving wheel and overlaps simultaneously and locate the action wheel and follow the track on the follow driving wheel, magnesium ingot groove evenly distributed rotates along with the track circulation on the track, constant temperature equipment is including locating cooling chamber and the heating chamber, the control module of magnesium ingot caster below and adjacent setting and install the temperature sensing device at cooling chamber and heating chamber both ends, be equipped with the cooling water pump in the cooling chamber, be equipped with gas switch solenoid valve in the heating chamber, temperature sensing device is connected with the control module through the wire respectively, and control module passes through wire control cooling water pump and gas switch solenoid valve respectively.
Although the above-mentioned thermostatic device for magnesium ingot continuous casting machine is installed below the magnesium ingot continuous casting machine, and the magnesium ingot continuous casting machine is used for processing coarse magnesium, the purity of the processed magnesium is insufficient, and when processing magnesium aluminum alloy and the like, in order to make the magnesium ingot continuous casting machine meet the processing requirement, the purification treatment is often needed. The caterpillar band in the constant temperature device arranged below the magnesium ingot continuous casting machine rotates clockwise, the magnesium ingot groove is upwards used for receiving injected liquid magnesium metal after passing over the driven wheel, and the opening is downwards used for conveniently unloading the solidified magnesium ingot after passing over the driving wheel. Then, the magnesium ingot groove enters the constant temperature device for heat preservation. Therefore, the magnesium ingot in the magnesium ingot groove before entering the constant temperature device cannot achieve the purpose of constant temperature and heat preservation, and the temperature of the magnesium ingot is reduced, so that the phenomena of shrinkage cavity and the like occur. Therefore, there is an urgent need for a magnesium ingot processing apparatus that can produce magnesium ingots with high processing purity and compactness.
[ utility model ]
In order to solve the problems, the utility model provides a clean and dense casting furnace for preparing high-purity magnesium and magnesium alloy, which is provided with a vacuum system and an inert gas protection system, wherein the vacuum system is started to pump out air in the system after raw materials are added into the device, inert gas is injected into the system, micro positive pressure of the system is ensured, the raw materials are ensured to isolate air, combustion and oxidation are avoided, the generation of oxides is reduced, the filtration of molten metal can be completed under the action of a filter plate, the molten metal entering an ingot mould heats the periphery of the ingot mould through a heater, and the bottom of the ingot mould is cooled by combining a cooling disc, so that the molten metal in the ingot mould is slowly cooled from inside to outside from bottom to top, and the phenomena of loosening, shrinkage cavity and the like are avoided.
In order to achieve the above object, the present utility model provides a net dense casting furnace for preparing high purity magnesium and magnesium alloy, comprising: the furnace comprises a sealed furnace body, a crucible, an ingot mould, a heater and a lifting mechanism, wherein the crucible, the ingot mould and the heater are arranged in the sealed furnace body, the lifting mechanism is arranged below the sealed furnace body, a mould box is arranged below the sealed furnace body, the sealed furnace body is connected with an external vacuum system through a vacuumizing pipeline and is connected with an external inert gas protection system through an air inlet pipe and an air outlet pipe, and a pressure gauge is arranged on the air inlet pipe;
a mould box for taking out the ingot mould is arranged below the sealed furnace body;
the crucible is arranged in the sealed furnace body through the support, a filter plate is arranged in the crucible, the filter plate divides the crucible into an upper cavity and a lower cavity, the upper cavity is a smelting area, and the lower cavity is a net sealed ingot molding area;
the ingot mould is arranged in the crucible, the crucible is positioned above the ingot mould, the inner diameter of the ingot mould is larger than the diameter of the filter plate, and a cooling disc communicated with the water cooling system is arranged at the bottom of the ingot mould;
the heater is sleeved on the periphery of the crucible;
the lifting mechanism comprises: the lifting controller is arranged above the ground through the base, one end of the lifting rod is connected with the lifting controller, and the other end of the lifting rod is arranged at the bottom of the ingot mould.
Particularly, a groove matched with the bottom of the ingot mould is formed in the cooling disc, a cooling groove is formed in the cooling disc, and the bottom of the cooling groove is connected with the water cooling system through a water inlet pipe and a water outlet pipe.
Particularly, the cross section area of the cooling disc is larger than the cross section area of the bottom of the magnesium ingot mould and is tightly attached.
In particular, the water inlet pipe and the water outlet pipe are respectively arranged in the lifting rod.
In particular, the inner wall of the crucible is obliquely extended downwards to form a collecting plate, a round hole is formed in the middle of the collecting plate, and the filter plate is arranged in the round hole.
Particularly, an annular wall is arranged between the round hole and the filter plate, an annular supporting wall extends inwards towards one end of the ingot mould, the filter plate is placed above the annular supporting wall, and the inner diameter of the annular supporting wall is not larger than the inner diameter of the open end of the magnesium ingot mould.
In particular, the heater is an intermediate frequency heater.
Compared with the prior art, the utility model has the following beneficial effects:
1. the magnesium ingot is placed in a crucible, smelting of the magnesium ingot can be completed through a (medium frequency) heater, and purification of metal liquid is completed through a filter plate;
2. the ingot mould is arranged in the crucible, and the periphery of the ingot mould is subjected to heating treatment under the action of the intermediate frequency heater, so that shrinkage cavity caused by rapid cooling of the ingot is avoided;
3. the bottom of the ingot mould is cooled by a cooling system, and peripheral heating is combined, so that the metal liquid in the ingot mould is gradually contracted and solidified from inside to outside and from bottom to top, and under the action of a lifting mechanism, the ingot mould is controlled by a PLC to gradually move downwards according to a process, and the ingot mould exits from a heating area to cool the metal liquid again in a gradient manner, so that the phenomena of loosening and shrinkage cavity are avoided;
4. the ingot mould is a detachable mould, and after the ingot mould descends to the mould box, the ingot mould can be detached to take out magnesium ingots, so that the operation is more convenient.
In summary, the net-density casting furnace for preparing high-purity magnesium and magnesium alloy can directly smelt the high-purity magnesium and magnesium alloy into magnesium liquid, and the filtration of magnesium oxide in the metal liquid is completed through the filter plate; and the periphery of the magnesium ingot mould is heated by a (medium frequency) heater, the bottom of the magnesium ingot mould is cooled by a cooling disc, so that the metal liquid in the magnesium ingot mould is cooled from inside to outside and from bottom to top, and the gradient cooling of the ingot can be completed for the second time due to the downward movement of the lifter, so that the high-purity compact high-purity magnesium and magnesium alloy ingot is prepared.
[ description of the drawings ]
FIG. 1 is a diagram showing the construction of a net-density casting furnace for producing high purity magnesium and magnesium alloy according to the present utility model;
FIG. 2 is a cross-sectional view of the portion A-A of FIG. 1 of a net-density casting furnace for producing high purity magnesium and magnesium alloys according to the present utility model;
FIG. 3 is an enlarged view of the portion B of FIG. 2 of a net dense casting furnace for producing high purity magnesium and magnesium alloys according to the present utility model.
In the figure: 1-sealed furnace body, 2-crucible, 3-ingot mould, 4- (intermediate frequency) heater, 5-elevating system, 6-filter, 7-cooling dish, 8-lift price controller, 9-lifter, 10-base, 11-cooling tank, 12-recess, 13-inlet tube, 14-outlet pipe, 15-collection board, 16-round hole, 17-annular supporting wall, 18-annular wall, 19-mould case, 20 evacuation pipeline, 21 intake pipe, 22 outlet duct.
[ detailed description ] of the utility model
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 1 to 3, the present utility model provides a net dense casting furnace for preparing high purity magnesium and magnesium alloy, comprising: the sealed furnace comprises a sealed furnace body 1, a crucible 2, a magnesium ingot mould 3, a (medium frequency) heater 4 and a lifting mechanism 5, wherein the crucible 2, the magnesium ingot mould 3, the (medium frequency) heater 4 and the lifting mechanism 5 are arranged below the sealed furnace body 1, the sealed furnace body 1 is arranged above the ground through a frame body, is connected with an external vacuum system through a vacuumizing pipeline 20 and is connected with an external inert gas protection system through an air inlet pipe 21 and an air outlet pipe 22, a pressure gauge for monitoring the pressure in the sealed furnace body 1 is arranged on the sealed furnace body 1, a platform for a worker to walk is arranged in the middle of the frame body, the lifting mechanism 5 is arranged below the platform, a ladder stand is further arranged on one side of the frame body for facilitating maintenance, and a protective rail is further arranged above the frame body for protecting the worker.
The top of the sealed furnace body 1 is provided with an openable cover, the bottom of the sealed furnace body is provided with a mold box 19, under the action of the lifting mechanism 5, the ingot mold 3 can be taken out along the sealed door of the mold box 19, so that the cooled ingot is taken out, and the mold box 19 is provided with an openable door (not shown in the figure).
The crucible 2 is arranged in the sealed furnace body 1 through a support, a filter plate 6 is arranged in the crucible 2, the filter plate 6 divides the crucible 2 into an upper cavity and a lower cavity, the upper cavity is a smelting area, and the lower cavity is a net dense ingot molding area;
the ingot mould 3 is arranged inside the crucible 2, the crucible 2 is arranged above the ingot mould 3, the inner diameter of the ingot mould 3 is larger than the diameter of the filter plate 6, so that filtered magnesium liquid can completely enter the magnesium ingot mould 3, a cooling disc 7 communicated with a water cooling system is arranged at the bottom of the ingot mould 3, and the bottom of the ingot mould 3 can be cooled after the cooling disc 7 is communicated with an external water cooling system.
The heater 4 is arranged on the outer wall of the crucible 2, can be used for smelting high-purity magnesium and magnesium alloy in the crucible 2, and can be used for heating the periphery of the ingot mould 3 at the same time, so that the problem of shrinkage cavity caused by rapid cooling of molten metal is avoided.
The lifting mechanism 5 includes: the lifting controller 8 is arranged above the ground through the base 10, one end of the lifting rod 9 is connected with a piston rod of the lifting controller 8, and the other end of the lifting rod 9 is fixedly arranged at the bottom of the ingot mould 3 after the bottom of the sealed furnace body 1 stretches into the bottom.
Particularly, in the utility model, the cooling disc 11 and the ingot mould 3 are designed independently, so that maintenance is realized, meanwhile, for the processing of ingots with different specifications, the cooling disc 11 is not required to be replaced, the processing cost is saved only by replacing the ingot mould 3, in order to bring convenience to a better fixed supporting effect on the ingot mould 3, a groove 12 matched with the bottom of the magnesium ingot mould 3 is arranged on the cooling disc 7, the magnesium ingot mould 3 can be placed in the groove 12, the stability of the ingot mould 3 when metal liquid flows in and exits is ensured, a cooling groove 11 is arranged in the water cooling disc 7, the bottom of the cooling groove 11 is connected with an outlet of a cooling system through a water inlet pipe 13, and the top of the cooling groove 11 is connected with a water return port of the cooling system through a water outlet pipe 14; in the utility model, when the cooling system starts to work, cooling liquid enters the cooling tank 11 along the water inlet pipe 13, and because the pipe orifice of the water inlet pipe 13 is lower than the pipe orifice of the water outlet pipe 14 and the pipe orifice of the water outlet pipe 14 is positioned at the top of the cooling tank 11, the cooling liquid fills the cooling tank 11 and directly cools the bottom of the ingot mould 3, the cooling liquid flows out along the water outlet pipe 14, thereby improving the cooling surface and the cooling efficiency.
Particularly, the cross section area of the water cooling disc 7 is larger than the cross section area of the bottom of the ingot mould 3; by the design, the cooling area of the bottom of the ingot mould 3 is increased, the gradual cooling of the metal liquid from bottom to top and from inside to outside is further ensured, and a compact ingot is finally formed.
In particular, the water inlet pipe 13 and the water outlet pipe 14 are respectively arranged in the lifting rod 9; by the design, the water inlet pipe 13, the water outlet pipe 14 and the lifting rod 9 can be integrated, messy work environment caused by too many pipelines can not occur, and the water inlet pipe 13 can further cool the bottom of the ingot mould 3 in the lifting process of the lifting mechanism 5, so that magnesium ingots are cooled, in practical application, holes can be drilled in the lifting rod 9 directly, an orifice at one end of the lifting rod 9 is communicated with the cooling block 11, and the other end of the lifting rod is communicated with the water cooling system, so that the equipment cost can be further saved.
In particular, the crucible 2 is provided with an inclined collecting plate 15, a round hole 16 is formed in the middle of the collecting plate 15, and the filter plate 6 is arranged in the round hole 16, in the utility model, the collecting plate 15 can collect magnesium liquid on the filter plate 16, so that the residual metal liquid is reduced, and the outflow is convenient.
In particular, in the present utility model, when the filter plate 6 works for a period of time, some magnesium oxide and the like are accumulated above the filter plate 6, which affects the outflow of magnesium solution, so that an annular wall 18 is provided between the circular hole 16 and the filter plate 6, the annular wall 18 extends inward toward one end of the magnesium ingot mold 3 to form an annular supporting wall 17, the filter plate 6 is placed above the annular supporting wall 17, and the inner diameter of the annular supporting wall 17 is not larger than the inner diameter of the open end of the magnesium ingot mold 3.
In particular, in order to improve the heating efficiency, the heater 4 of the present utility model selects an intermediate frequency heater, and in practical application, different types of heaters may be selected according to different processed products.
The working process comprises the following steps:
firstly, opening a sealed furnace body 1, putting raw materials into a crucible 2, covering a cover of the sealed furnace body 1, vacuumizing the sealed furnace body, and introducing protective gas-argon; then, the (intermediate frequency) heater 4 is turned on to heat the crucible 2 and the inside thereof, so as to promote the raw materials to be smelted into molten metal; then, after the molten metal passes through the filter plate 6, magnesium oxide is filtered, pure magnesium liquid flows into the ingot mould 3, and at the moment, the ingot mould 3 is heated by a (medium frequency) heater 4 at the periphery of the ingot mould 3, and the bottom of the ingot mould is cooled by a cooling block 11, so that the molten metal in the ingot mould 3 can be cooled from bottom to top, from inside to outside and gradually cooled, and shrinkage holes caused by rapid cooling can be avoided; after a certain time, the lifting mechanism 5 starts to work, drives the magnesium ingot mould 3 above the lifting mechanism to move downwards at the bottom of the sealed furnace body 1, drives out of the heater area to realize gradient cooling until the magnesium ingot enters the mould box 19, and at the moment, the ingot mould 3 is disassembled by opening a sealing surface door on the mould box 19, so that a clean and dense ingot can be taken out; and then the ingot mould 3 is restored to the original position through the lifting mechanism 5, and the work can be repeated until the processing is completed.
In summary, when the clean and close smelting and casting furnace provided by the utility model is used for processing high-purity magnesium and magnesium alloy, the furnace body is vacuumized before smelting and casting raw materials, and inert protective gas-argon is injected, so that the whole smelting and casting process is performed under the inert protective gas, oxygen is isolated, and combustion can be stopped without adding a fire extinguishing solvent; secondly, when the raw materials are smelted, oxides and impurities in the metal liquid can be effectively filtered through filtration, and a refining agent is not required to be added, so that the metal liquid entering an ingot mould is ensured to be purer; when the ingot mould is used for casting ingot, the lower heater is used for heating the periphery of the ingot mould, and the cooling disc is used for cooling the bottom of the ingot mould, so that the solution is solidified layer by layer through layer heat exchange of metal liquid in the ingot mould, and the processed ingot is more compact.
Claims (7)
1. A net-density casting furnace for preparing high-purity magnesium and magnesium alloy, which is characterized by comprising: the furnace comprises a sealed furnace body (1), a crucible (2), an ingot mould (3), a heater (4) and a lifting mechanism (5) arranged below the sealed furnace body (1), wherein the sealed furnace body (1) is connected with an external vacuum system through a vacuumizing pipeline (20) and is connected with an external inert gas protection system through an air inlet pipe (21) and an air outlet pipe (22), and a pressure gauge is arranged on the air inlet pipe (21);
a die box (19) for taking out the magnesium ingot die (3) is arranged below the sealed furnace body (1);
the crucible (2) is arranged in the sealed furnace body (1) through a support, a filter plate (6) is arranged in the crucible (2), the filter plate (6) divides the crucible (2) into an upper cavity and a lower cavity, the upper cavity is a smelting area, and the lower cavity is a net-closely-packed ingot molding area;
the ingot mould (3) is arranged in the crucible (2), the crucible (2) is positioned above the ingot mould (3), the inner diameter of the ingot mould (3) is larger than the diameter of the filter plate (6), and a cooling disc (7) communicated with a water cooling system is arranged at the bottom of the ingot mould (3);
the heater (4) is sleeved on the periphery of the crucible (2);
the lifting mechanism (5) comprises: the lifting control device comprises a lifting controller (8) and a lifting rod (9), wherein the lifting controller (8) is arranged above the ground through a base (10), one end of the lifting rod (9) is connected with the lifting controller (8), and the other end of the lifting rod is arranged at the bottom of the ingot mould (3).
2. The net-sealing casting furnace for preparing high-purity magnesium and magnesium alloy according to claim 1, wherein the cooling disc (7) is provided with a groove (12) matched with the bottom of the ingot mould (3), the cooling disc (7) is internally provided with a cooling groove (11), and the bottom of the cooling groove (11) is connected with a water cooling system through a water inlet pipe (13) and a water outlet pipe (14).
3. The net-sealing casting furnace for preparing high-purity magnesium and magnesium alloy according to claim 2, wherein the cross-sectional area of the cooling disc (7) is larger than the cross-sectional area of the bottom of the ingot mould (3), and the cooling disc (7) is tightly attached to the ingot mould (3).
4. The net dense casting furnace for preparing high purity magnesium and magnesium alloy according to claim 2, wherein the water inlet pipe (13) and the water outlet pipe (14) are respectively arranged in the lifting rod (9).
5. The net dense casting furnace for preparing high purity magnesium and magnesium alloy according to claim 1, wherein a collecting plate (15) extends downwards from the inner wall of the crucible (2), a round hole (16) is formed in the middle of the collecting plate (15), and the filter plate (6) is arranged in the round hole (16).
6. The net dense casting furnace for preparing high purity magnesium and magnesium alloy according to claim 5, wherein an annular wall (18) is arranged between the round hole (16) and the filter plate (6), the annular wall (18) extends inwards to form an annular supporting wall (17) towards one end of the magnesium ingot mould (3), the filter plate (6) is placed above the annular supporting wall (17), and the inner diameter of the annular supporting wall (17) is not larger than the inner diameter of the open end of the magnesium ingot mould (3).
7. The net dense casting furnace for preparing high purity magnesium and magnesium alloy according to claim 1, wherein the heater (4) is an intermediate frequency heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320513889.8U CN219665069U (en) | 2023-03-16 | 2023-03-16 | Clean and close melting casting furnace for preparing high-purity magnesium and magnesium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320513889.8U CN219665069U (en) | 2023-03-16 | 2023-03-16 | Clean and close melting casting furnace for preparing high-purity magnesium and magnesium alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219665069U true CN219665069U (en) | 2023-09-12 |
Family
ID=87892005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320513889.8U Active CN219665069U (en) | 2023-03-16 | 2023-03-16 | Clean and close melting casting furnace for preparing high-purity magnesium and magnesium alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219665069U (en) |
-
2023
- 2023-03-16 CN CN202320513889.8U patent/CN219665069U/en active Active
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