CN116251935B - Small ingot manufacturing device and method - Google Patents

Small ingot manufacturing device and method Download PDF

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Publication number
CN116251935B
CN116251935B CN202310185436.1A CN202310185436A CN116251935B CN 116251935 B CN116251935 B CN 116251935B CN 202310185436 A CN202310185436 A CN 202310185436A CN 116251935 B CN116251935 B CN 116251935B
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ingot
small
heating coil
small ingot
frame body
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CN116251935A (en
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请求不公布姓名
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Beijing Zhichuang Xinyuan Technology Co ltd
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Beijing Zhichuang Xinyuan Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D7/00Casting ingots, e.g. from ferrous metals
    • B22D7/005Casting ingots, e.g. from ferrous metals from non-ferrous metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D7/00Casting ingots, e.g. from ferrous metals
    • B22D7/06Ingot moulds or their manufacture
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D7/00Casting ingots, e.g. from ferrous metals
    • B22D7/06Ingot moulds or their manufacture
    • B22D7/066Manufacturing, repairing or reinforcing ingot moulds
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

The application discloses a small ingot manufacturing device, which comprises a frame body with a material melting area and a material discharging and collecting area, wherein the material melting area accommodates a small ingot mould, a drainage surface lower than the top of the small ingot mould is arranged in the material discharging and collecting area, at least two groups of supporting pieces are arranged at the bottom of the frame body, a first group of supporting pieces are positioned at the position close to the middle of the bottom of the frame body, a second group of supporting pieces are positioned at the edge position close to the material melting area of the bottom of the frame body, and the frame body is used for rotating by taking the first group of supporting pieces as supporting points after a preset amount of liquid generated by material melting enters the material discharging and collecting area, so that the whole frame body is inclined to drain all the redundant liquid on the surface of the small ingot mould into the material discharging and collecting area. By using the small ingot manufacturing device, the adhesion on the surface of the small ingot can be reduced while the filling rate is increased, and the yield of chemical materials is improved. The application also discloses a manufacturing method of the small material ingot.

Description

Small ingot manufacturing device and method
Technical Field
The application belongs to the technical field of high-purity material manufacturing equipment, and particularly relates to a small ingot manufacturing device and method.
Background
The zone melting method is commonly used for purifying elements such as tellurium, cadmium, zinc and the like, and is used for reducing the influence of pollution introduced into the environment and oxidation of raw materials, removing the area with higher impurity content at the head and tail parts after the purification is finished, only retaining the middle high-purity ingot area, then placing the high-purity ingot into a high-purity die in the hydrogen atmosphere of a zone melting furnace, and melting the large ingot into a required small ingot by melting or other heating modes. Taking infrared materials as an example, in the process of batching the infrared materials, because the requirement on the stoichiometric ratio is higher, smaller-size ingots are required to be balanced in the stoichiometric ratio, and therefore, after the materials are purified, the materials are required to be melted into small ingots with different sizes, and the subsequent batching process can be carried out.
As shown in fig. 1, fig. 1 is a schematic view of a conventional small ingot production apparatus, which includes a container 101 having a recess, a mold 102 capable of being placed in the recess, and a large ingot 103 placed above the mold 102, and the apparatus is placed in a zone melting device, so that the large ingot can be melted, and the obtained liquid flows into the mold 102 to be solidified, thus forming individual small ingots. However, in the process of melting the ingot by using the mold, excessive materials between adjacent small ingots can cause adhesion between the adjacent small ingots and the small ingots, if the adjacent small ingots are divided in a physical manner, pollution is introduced, and if the adhered small ingots are remelted into large ingots and remelted and solidified into small ingots, the production efficiency is reduced. It can be seen that how to adhere small ingots is a problem to be solved.
Disclosure of Invention
In order to solve the problems, the application provides a small ingot manufacturing device and a small ingot manufacturing method, which can reduce adhesion on the surface of a small ingot and improve the yield of chemical materials while increasing the filling rate.
The application provides a small ingot manufacturing device which comprises a frame body provided with a material melting area and a material discharging and collecting area, wherein the material melting area accommodates a small ingot mould, a drainage surface lower than the top of the small ingot mould is arranged in the material discharging and collecting area, at least two groups of supporting pieces are arranged at the bottom of the frame body, a first group of supporting pieces are positioned at the position, close to the middle, of the bottom of the frame body, a second group of supporting pieces are positioned at the edge position, close to the material melting area, of the bottom of the frame body, and the frame body is used for rotating by taking the first group of supporting pieces as a supporting point after a preset amount of liquid generated by material enters the material discharging and collecting area, so that the whole frame body is inclined to drain all redundant liquid on the surface of the small ingot mould into the material discharging and collecting area.
Preferably, in the small ingot manufacturing apparatus, the top surface of the small ingot mold has a highest center axis, and the height gradually decreases from the center axis to both sides.
Preferably, in the small ingot manufacturing device, a partition plate is arranged between the material melting area and the material discharging and collecting area, and an opening for flowing liquid is formed in the edge of the partition plate.
Preferably, in the small ingot manufacturing apparatus, the first set of supporting members includes at least two supporting rods, and the second set of supporting members also includes at least two supporting rods.
Preferably, in the small ingot manufacturing apparatus, one end of the two support rods in the first set of support members, which is far away from the frame body, is hemispherical or conical.
Preferably, in the small ingot manufacturing device, the two support rods in the first group of support members and the second group of support members are detachably connected with the frame body.
Preferably, in the small ingot manufacturing device, a plurality of preformed holes capable of accommodating the supporting rods are formed in the position, close to the middle, of the bottom of the frame body.
Preferably, in the small ingot manufacturing device, the hole on the small ingot mold is cylindrical or truncated cone-shaped.
The preparation method of the small ingot provided by the application comprises the following steps:
placing a material to be converted above a small ingot mould of the small ingot manufacturing device according to any one of the above, placing the small ingot manufacturing device into a zone melting furnace pipe body filled with inert gas or hydrogen, and enabling the small ingot mould to be positioned outside a heating coil;
energizing the heating coil until the temperature of the heating coil is higher than the melting point of the material to be melted;
moving the heating coil to the direction of the small ingot mould at a first preset speed;
when the heating coil is at a distance from the melting material Kong Yushe, the moving speed is reduced to a second preset speed;
when the center of the heating coil is positioned at the junction position of the material melting area and the material discharging and collecting area, after the heating coil is kept for a preset time, the current of the heating coil is disconnected.
Preferably, in the above method for manufacturing small-sized ingots, the gas is high-purity inert gas or high-purity hydrogen, the first preset speed is 5mm/min to 10mm/min, the preset distance is 1cm to 5cm, the second preset speed is 1mm/min to 5mm/min, and the preset time is 10min to 20min.
As can be seen from the above description, the small ingot manufacturing device provided by the application includes a frame body having a material melting area and a material discharging and collecting area, wherein the material melting area accommodates a small ingot mold, the material discharging and collecting area has a drainage surface lower than the top of the small ingot mold, and the bottom of the frame body has at least two groups of supporting members, wherein the first group of supporting members is located at a position close to the middle of the bottom of the frame body, the second group of supporting members is located at a position close to the edge of the material melting area, and the frame body is used for rotating with the first group of supporting members as supporting points after a preset amount of liquid generated by material melting enters the material discharging and collecting area, so that the whole frame body is inclined to drain all the redundant liquid on the surface of the small ingot mold into the material discharging and collecting area, thereby being capable of increasing the filling rate, reducing adhesion on the surface of the small ingot and improving the yield of the material. The small ingot manufacturing method provided by the application has the same advantages as the small ingot manufacturing device.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a conventional small ingot production apparatus;
FIG. 2 is a schematic view of an embodiment of a small ingot manufacturing apparatus according to the present application;
FIG. 3 is a perspective view of a billet die used in the present application;
FIG. 4 is a schematic diagram of an embodiment of a method for producing a small ingot according to the present application;
fig. 5 is a schematic diagram of a chemical process.
Detailed Description
The core of the application is to provide a small ingot manufacturing device and method, which can reduce adhesion on the surface of a small ingot and improve the yield of chemical materials while increasing the filling rate.
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
An embodiment of a small ingot manufacturing device provided by the application is shown in fig. 2, fig. 2 is a schematic diagram of an embodiment of the small ingot manufacturing device provided by the application, the small ingot manufacturing device can comprise a frame body 3 with a material melting zone 1 and a material discharging and collecting zone 2, the material melting zone 1 accommodates a small ingot mould 4, the material discharging and collecting zone 2 is internally provided with a drainage surface 5 lower than the top of the small ingot mould 4, the bottom of the frame body 3 is provided with at least two groups of supporting pieces, wherein a first group of supporting pieces 6 is positioned at a position close to the middle of the bottom of the frame body 3, a second group of supporting pieces 7 is positioned at an edge position close to the material melting zone 1 of the bottom of the frame body 3, and the frame body 3 is used for rotating with the first group of supporting pieces 6 as supporting points after a preset amount of liquid generated by material melting enters the material discharging and collecting zone 2, so that the whole body of the frame body 3 is inclined to drain excessive liquid on the surface of the small ingot mould 4 into the material discharging and collecting zone 2.
It should be noted that, this small ingot making device can put into the sealed quartz tube that lets in hydrogen, need not to increase too much mechanical parts, just can realize the device and lift up voluntarily in order to with unnecessary liquid exhaust purpose, utilize this device can melt the high-purity metal Cd and Zn of easy oxidation and contamination into small ingot, simultaneously through this kind of frame body of design can eliminate the adhesion problem between the small ingot, concretely speaking, after melting the large-size material ingot that will place in the chemical material district 1, the feed liquid gets into small ingot mould, after small ingot mould is filled up, unnecessary feed liquid will get into in the ejection of compact collecting area 2 along drainage face 5, along with the weight increase that flows in, one side of ejection of compact collecting area 2 gradually because of becoming heavier and sinking, make the right side of frame body 3 regard as the fulcrum rotation, finally the whole of frame body falls to the right side, thereby all drain the unnecessary liquid of mould surface to ejection of compact collecting area 2, and the unnecessary liquid that draws out can put into the chemical material mould in the secondary, thereby each small ingot surface has no need not had the unnecessary feed liquid of other manual work design, the unnecessary material that just has no other parts of leading into, the manual work has no time, the fact that can take place the other small ingot has no other parts of the design and no time has no other side.
As can be seen from the above description, in the embodiment of the apparatus for manufacturing small ingot provided by the present application, the apparatus includes a frame body having a material melting area and a material discharging and collecting area, the material melting area accommodates a small ingot mold, the material discharging and collecting area has a drainage surface lower than the top of the small ingot mold, and the bottom of the frame body has at least two sets of support members, wherein the first set of support members is located at a position near the middle of the bottom of the frame body, the second set of support members is located at a position near the edge of the bottom of the frame body, and the frame body is configured to rotate with the first set of support members as fulcrums after a predetermined amount of liquid generated by the material melting enters the material discharging and collecting area, so that the whole of the frame body is inclined to drain all the excessive liquid on the surface of the small ingot mold into the material discharging and collecting area, thereby reducing adhesion on the surface of the small ingot while increasing the filling rate and improving the yield of the material.
In one embodiment of the apparatus for producing small ingots described above, referring to fig. 3, fig. 3 is a perspective view of a small ingot mold according to the present application, the middle axis 41 of the top surface of the small ingot mold 4 is located at the highest position, and the height is gradually reduced from the middle axis to both sides. The small ingot mould is used in the discharging evolution material area, under the condition, redundant material liquid can flow to two sides of the mould in the raw material melting process, so that the excessive material liquid on the surface of a material ingot hole is better eliminated, and the adhesion of small ingot is avoided.
In another embodiment of the above described ingot production apparatus, with continued reference to fig. 2, a partition 8 may be provided between the melting zone 1 and the discharge collection zone 2, and the edges of the partition 8 have openings 9 for the flow of liquid. It should be further noted that, the corresponding position on the frame body 3 is provided with a partition slot matched with the structure to insert the partition, and two side edges of the partition 8 may be respectively provided with an opening 9, when the raw materials in the material melting area are all melted to the position of the opening 9, the redundant raw materials flow out from the opening 9 and enter the material collecting area 2. Of course, the position of the opening 9 can be adjusted according to practical needs, and the size thereof can be selected according to practical needs, which is not limited herein.
In a further embodiment of the above described small ingot production device, the first set of supports 6 may comprise at least two support bars and the second set of supports 7 may also comprise at least two support bars. When each group of support piece all includes two bracing pieces, before the material dissolving, the device just can be stable stand, and after enough material liquid that flows into ejection of compact collection district 2, just can make framework 3 take place to rotate to two bracing pieces at edge are unsettled, and after taking out little material ingot and unnecessary material liquid, can resume original upright state again, can see so need not manual operation, can realize the switching between two kinds of states, certainly still can set up more bracing pieces and realize more firm support, here is not limited.
In a preferred embodiment of the above-mentioned small ingot making device, the ends of the two support rods of the first set of support members 6, which are far from the frame body 3, are hemispherical or conical, and this end is used for contacting with the underlying quartz tube or quartz plate, which is more convenient for continuous progressive rotation, without abrupt large-angle rotation, while the other ends of the support rods are used for being inserted into the preformed holes formed in the lower part of the frame body 3, which can be flat heads, without limitation.
In another preferred embodiment of the above-mentioned small ingot manufacturing apparatus, the two support rods of the first set of support members 6 and the second set of support members 7 are detachably connected to the frame 3. Moreover, a plurality of preformed holes capable of accommodating the supporting rods can be formed in the bottom of the frame body 3 close to the middle, so that the supporting rods in the first group of supporting pieces 6 can be used for selecting the positions of the preformed holes according to actual conditions, and the position of the gravity center of the whole frame body is adjusted through the adjustment of the positions of the supporting rods, so that the amount of materials to be converted and the amount of discharged materials are controlled.
In a further preferred embodiment of the above described ingot production device, the shape of the hole in the ingot mould 4 may preferably be cylindrical or frustoconical, so that a cylindrical ingot or frustoconical ingot may be produced, although this shape may be adapted according to the actual need and is not limited thereto.
Fig. 4 is a schematic diagram of an embodiment of a method for manufacturing a small ingot, where fig. 4 is a schematic diagram of an embodiment of a method for manufacturing a small ingot, and the method may include the following steps:
s1: placing the material to be converted above a small ingot mould of a small ingot manufacturing device, placing the small ingot manufacturing device into a zone melting furnace pipe body filled with inert gas or hydrogen, and enabling the small ingot mould to be positioned outside a heating coil;
s2: energizing the heating coil until the temperature of the heating coil is higher than the melting point of the material to be melted;
s3: moving the heating coil to the direction of the small ingot mould at a first preset speed;
s4: when the heating coil is at a distance from the melting material Kong Yushe, the moving speed is reduced to a second preset speed;
s5: when the center of the heating coil is positioned at the junction position of the material melting area and the material discharging and collecting area, the current of the heating coil is disconnected after the heating coil is kept motionless for a preset time.
By using the method, the adhesion on the surface of the small material ingot can be reduced and the yield of the material can be improved while the filling rate is increased.
In a specific embodiment of the above method for producing small ingot, the gas may be preferably a high purity inert gas or high purity hydrogen, the first preset speed may be preferably 5mm/min to 10mm/min, the preset distance may be preferably 1cm to 5cm, the second preset speed may be preferably 1mm/min to 5mm/min, and the preset time may be preferably 10min to 20min.
The above method is described below with reference to fig. 5, and fig. 5 is a schematic diagram of a material melting process, and the method may include the following steps:
step 1: after the material melting mold is assembled, placing the material to be melted in a material melting area of the mold, then placing the mold outside a heating coil of a quartz tube of a furnace body, keeping the left side of the mold at a distance of 5cm from the rightmost side of the coil, and fastening a vacuum part of a zone melting furnace, as shown by A in fig. 5;
step 2: vacuumizing the inside of the quartz tube, introducing high-purity argon, repeating for 2-4 times, and then introducing high-purity H 2 Simultaneously maintaining a certain flow (1-3L/min);
step 3: the heating coil is electrified, so that the temperature of the heating coil is 5-10 ℃ higher than the melting point of the material;
step 4: the coil slowly moves towards the direction of the die at a speed of 5-10 mm/min, as shown in B in FIG. 5;
step 5: when the heating coil is at a position 1cm away from the material melting hole, as shown in C in FIG. 5, the moving speed is reduced to 1-5 mm/min;
step 6: when the center of the coil is positioned in the baffle plate material melting hole, the coil is kept for 10-20 min, as shown by D in fig. 5, and then the heating coil current is disconnected;
step 7: and after the ingot is at normal temperature, closing a hydrogen inlet valve, discharging internal hydrogen by using high-purity argon, and taking materials.
In the above step, during the process of melting the liquid material, the liquid material flows into the holes of the ingot mould, and as the melting process proceeds, the whole gravity center shifts rightward, when the liquid material flows through the baffle hole and flows into the discharge collecting area, the gravity center shifts rightward rapidly, at this time, the whole structure is divided into left and right parts according to the first group of support components, the left gravity center L gradually decreases in the process of melting and transferring the ingot by the moment horizontal left component generated by the first group of support components, the right gravity center R gradually increases in the process of melting and transferring the ingot by the moment horizontal right component generated by the first group of support components, and when the moment horizontal left component is larger than the moment horizontal left component of the L in the first group of support components, the whole gravity center shifts rightward by taking the first group of support components as the center, so that the speed of flowing the liquid material in the melting area to the discharge collecting area through the baffle hole is accelerated, and finally the redundant materials on the ingot mould are discharged completely, thereby eliminating the adhesion between the ingots. In addition, the position of the lower first group of support components can be adjusted according to the amount of the chemical materials, so that the purpose of enabling the chemical materials to flow into the holes of the small ingot mould to the maximum extent is achieved.
In summary, by using the small ingot manufacturing device provided by the application, the small ingot mould can be automatically inclined in the quartz tube, and the excessive materials on the surface of the small ingot mould are led out to the outside, so that the adhesion between small ingots is eliminated, and the success rate of small ingot miniaturization is increased. Moreover, the position of the lower support rod can be adjusted according to the mass of the raw materials, so that the amount of the raw materials flowing into the small ingot mould groove is increased, the amount of the discharged materials is reduced, and the utilization rate is increased. Through the material melting step in the small material ingot manufacturing method, the small material ingot holes are filled with raw materials, the automatic rotation and lifting of the die are completed, and the surplus materials on the upper part of the small material die are completely discharged.
It should be further noted that, in general, the number of mechanical transmission mechanisms is reduced as much as possible due to the structure of the hydrogen-introducing quartz tube, because the increase of mechanisms for realizing mechanical transmission inside and outside the quartz tube increases the risk of air leakage, while the conventional material melting mold is generally a structure with one high side and one low side or a horizontal structure, the material holes are unevenly filled due to the overlarge inclination angle, the utilization rate is low, and the raw material ingot adhesion can be generated due to the smaller angle. According to the scheme, the filling of the material holes of the small material ingot is finished in a horizontal-first-tilting-last mode, the deflection of the die is realized by utilizing the deflection of the gravity center in the quartz tube, and the excessive material is discharged, so that the filling rate is increased, the adhesion of the surface of the small material ingot is reduced, and the material conversion yield is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a little material ingot making device, its characterized in that includes the framework that has material district and ejection of compact collection district, material district holds a plurality of little material ingot mould, have in the ejection of compact collection district be less than little material ingot mould top drainage face, the bottom of framework has two at least sets of support piece, wherein, first set of support piece is located the framework bottom be close to the middle part position, second set of support piece is located the framework bottom be close to the marginal position in material district, the framework is used for after the liquid of the preset quantity that material produced gets into the ejection of compact collection district use first set of support piece is the fulcrum rotation, makes the whole slope of framework is in order to with little material ingot mould surface's unnecessary liquid is whole to in the ejection of compact collection district.
2. The ingot production apparatus according to claim 1, wherein the ingot mold has a top surface with a highest central axis, and the ingot mold has a height gradually decreasing from the central axis to both sides.
3. The ingot production apparatus of claim 2, wherein a partition is provided between the melting zone and the discharge collection zone, and an edge of the partition has an opening for the flow of liquid.
4. A small ingot production apparatus as in claim 3, wherein the first set of support members comprises at least two support bars and the second set of support members also comprises at least two support bars.
5. The ingot production apparatus of claim 4, wherein the ends of the two support bars of the first set of support members remote from the frame are hemispherical or conical.
6. The ingot production apparatus of claim 5, wherein two support bars of the first and second sets of support members are detachably connected to the frame.
7. The small ingot manufacturing device of claim 6, wherein a plurality of preformed holes for accommodating the supporting rods are formed at the bottom of the frame body near the middle.
8. The ingot production apparatus of claim 1, wherein the hole in the ingot mold is cylindrical or frustoconical.
9. A method of making a small ingot comprising:
placing a material to be converted above a small ingot mould of the small ingot manufacturing device according to any one of claims 1-8, placing the small ingot manufacturing device into a zone melting furnace pipe body filled with inert gas or hydrogen, and positioning the small ingot mould outside a heating coil;
energizing the heating coil until the temperature of the heating coil is higher than the melting point of the material to be melted;
moving the heating coil to the direction of the small ingot mould at a first preset speed;
when the heating coil is at a distance from the melting material Kong Yushe, the moving speed is reduced to a second preset speed;
when the center of the heating coil is positioned at the junction position of the material melting area and the material discharging and collecting area, after the heating coil is kept for a preset time, the current of the heating coil is disconnected.
10. The method of claim 9, wherein the gas is a high purity inert gas or high purity hydrogen gas, the first preset speed is 5mm/min to 10mm/min, the preset distance is 1cm to 5cm, the second preset speed is 1mm/min to 5mm/min, and the preset time is 10min to 20min.
CN202310185436.1A 2023-02-21 2023-02-21 Small ingot manufacturing device and method Active CN116251935B (en)

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