CN115216660A - Production method of high-magnesium zinc aluminum magnesium alloy - Google Patents
Production method of high-magnesium zinc aluminum magnesium alloy Download PDFInfo
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- CN115216660A CN115216660A CN202211010328.2A CN202211010328A CN115216660A CN 115216660 A CN115216660 A CN 115216660A CN 202211010328 A CN202211010328 A CN 202211010328A CN 115216660 A CN115216660 A CN 115216660A
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 69
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 229910000611 Zinc aluminium Inorganic materials 0.000 title claims abstract description 6
- -1 zinc-aluminum-magnesium Chemical compound 0.000 claims abstract description 59
- 239000002893 slag Substances 0.000 claims abstract description 41
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000011777 magnesium Substances 0.000 claims abstract description 25
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000002844 melting Methods 0.000 claims abstract description 12
- 230000008018 melting Effects 0.000 claims abstract description 12
- 238000007670 refining Methods 0.000 claims description 40
- 239000003795 chemical substances by application Substances 0.000 claims description 33
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 30
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 30
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 26
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 25
- 230000006698 induction Effects 0.000 claims description 19
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 17
- 238000005266 casting Methods 0.000 claims description 17
- 229910052725 zinc Inorganic materials 0.000 claims description 17
- 239000011701 zinc Substances 0.000 claims description 17
- 239000001103 potassium chloride Substances 0.000 claims description 15
- 235000011164 potassium chloride Nutrition 0.000 claims description 15
- 239000011780 sodium chloride Substances 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 235000019270 ammonium chloride Nutrition 0.000 claims description 13
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 12
- 238000003723 Smelting Methods 0.000 claims description 12
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims description 12
- 229910001626 barium chloride Inorganic materials 0.000 claims description 12
- 239000001110 calcium chloride Substances 0.000 claims description 12
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 12
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 12
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 12
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 12
- 238000003892 spreading Methods 0.000 claims description 9
- 230000007480 spreading Effects 0.000 claims description 9
- 230000004907 flux Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 239000000155 melt Substances 0.000 abstract description 3
- 238000011112 process operation Methods 0.000 abstract description 3
- 238000010923 batch production Methods 0.000 abstract description 2
- 239000011261 inert gas Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
- B22D43/005—Removing slag from a molten metal surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/005—Casting ingots, e.g. from ferrous metals from non-ferrous metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
- C22B9/103—Methods of introduction of solid or liquid refining or fluxing agents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a production method of a high-magnesium zinc aluminum magnesium alloy. The melting point and the specific gravity of the magnesium alloy are lower than those of zinc-aluminum-magnesium alloy, and the magnesium alloy can play a role in isolating a melt from air when being scattered on the zinc-aluminum-magnesium alloy, so that the oxidation and the combustion of magnesium metal are reduced, the direct yield of magnesium is improved, and the burning loss is reduced. When the ingot mould has one third of the zinc-aluminum-magnesium alloy melt, slagging is started, so that slag inclusion in the zinc-aluminum-magnesium alloy is mainly prevented, and the product percent of pass is improved. The cooling mode of the invention adopts natural cooling, thus improving the product percent of pass. The invention can be used for the batch production of the zinc-aluminum-magnesium alloy, can only be used for small-scale production by adopting the measures of inert gas protection, has low magnesium burning loss rate, simple process operation, easy control and low production cost, and can stably produce the qualified zinc-aluminum-magnesium alloy in large batch.
Description
Technical Field
The invention relates to the technical field of metallurgy, in particular to a production method of a high-magnesium zinc aluminum magnesium alloy.
Background
The zinc-magnesium-aluminum alloy produced at present in China generally contains lower magnesium, the magnesium content is below 2 percent, the prior production process adopts a power frequency induction furnace, zinc is melted at 470-520 ℃, aluminum is added for melting, the temperature is raised to 520-560 ℃ for melting magnesium, and ammonium chloride is directly cast after slagging.
The patent application No. 20181003150.3 discloses a zinc-aluminum-magnesium alloy smelting method, which comprises 97.2-97.6% of zinc, 1.4-1.6% of aluminum and 1.1-1.2% of magnesium. In the casting and forming process, the alloy ingot mold is cooled by adopting the cooling circulating water, so that the alloy cooling time is shortened, the segregation phenomenon of magnesium and aluminum is avoided, and the product quality is improved. Because of low magnesium content, no protection is needed during casting. The process technology can not be directly used for casting the zinc-aluminum-magnesium alloy containing more than 2% of magnesium, oxidation can occur during casting, the surface is blackened, and qualified products cannot be produced.
The patent with the application number of 201811157769.9 discloses a titanium and antimony-containing hot dip galvanized aluminum magnesium alloy and a preparation method thereof, wherein the hot dip galvanized aluminum magnesium alloy contains 2.5-3.5% of magnesium, 10-12% of aluminum, 0.1-0.2% of titanium, 0.1-0.1% of antimony and the balance of zinc. The process comprises the steps of adding pure zinc, pure aluminum, al-50% of Mg intermediate alloy, al-5% of Ti intermediate alloy and Al-5% of Sb intermediate alloy into a crucible, heating to 700-720 ℃, adding a covering agent (NaCl + KCl) for melting, refining and deslagging by ZnCl2, and cooling to 550 ℃ for casting. The process technology adopts covering agent (NaCl + KCl) to melt and directly cast. The method can not be directly used for smelting the zinc-aluminum-magnesium alloy containing more than 3.5 percent of magnesium, can be oxidized during casting, has blackened surface and can not produce qualified products.
The patent of application No. 201410367048.6 discloses a titanium-containing zinc-aluminum-magnesium alloy ingot and a preparation method thereof, wherein the alloy ingot contains 3-4% of aluminum, 6-8% of zinc and 88-91% of aluminum. Oil quenching and cooling are adopted, nitrogen protection is adopted, and die-casting molding is adopted for casting. The process technology can only be used for die-casting.
The high magnesium zinc aluminum magnesium alloy containing more than 4% of magnesium is required to be produced, and the smelting process of the existing production process adopts an industrial salt covering agent (NaCl + KCl) or is protected by introducing nitrogen, and is cast by a slag bath. When the zinc-aluminum-magnesium alloy is cast in the process, the zinc-aluminum-magnesium alloy is oxidized in an ingot mold, the surface is blackened, and the appearance quality of the product can not meet the requirement.
Disclosure of Invention
In order to solve or partially solve the problems in the related technology, the invention provides the production method of the high-magnesium zinc-aluminum-magnesium alloy, the magnesium burning loss rate is low, the process operation is simple, the control is easy, the production cost is low, and the qualified zinc-aluminum-magnesium alloy can be stably produced in a large scale.
The invention provides a production method of a high-magnesium zinc aluminum magnesium alloy, which comprises the following steps:
s1, adding a zinc sheet into a cored induction furnace by using a pusher for melting, adding ammonium chloride for slagging, and flowing into the coreless induction furnace through a chute;
s2, mixing zinc sheets, aluminum ingots and magnesium ingots according to a weight ratio, then smelting, adding ammonium chloride for slagging, pouring a cored induction furnace after smelting, sampling and analyzing to be qualified, and casting zinc-aluminum-magnesium alloy liquid through a chute;
s3, enabling the zinc-aluminum-magnesium alloy melt to flow into an ingot mold from a chute, when one third of the zinc-aluminum-magnesium alloy melt exists in the ingot mold, starting to remove slag, completing casting, removing slag for 2-6 times, and removing floating slag completely;
s4, uniformly spreading a refining agent on the surface of the zinc-aluminum-magnesium alloy by using a vibrating screen filled with the refining agent for refining;
s5, naturally cooling for 2-5 h, demolding, and polishing to be smooth.
Furthermore, the slag removing mode of removing slag for 2-6 times in S3 is from four to the middle.
Furthermore, the spreading thickness of the refining agent in S4 is 3-10 mm.
Furthermore, the refining agent in S4 mainly comprises a mixed flux of magnesium chloride, potassium chloride, barium chloride, calcium fluoride, sodium chloride and calcium chloride, wherein the content ratio of the magnesium chloride, the potassium chloride, the barium chloride, the calcium fluoride, the sodium chloride, the calcium chloride and the magnesium oxide is (31-35) to (21-25): (20-27), (16-18), (1-3) and (0-1.0).
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
The invention has the beneficial technical effects that:
1. the invention adopts the refining agent for refining, and the refining agent can further enhance the diffusion performance, surface tension and chemical stability of the fusing agent. The melting point and the specific gravity of the magnesium alloy are lower than those of zinc-aluminum-magnesium alloy, and the magnesium alloy can play a role in isolating a melt from air when being scattered on the zinc-aluminum-magnesium alloy, so that the oxidation and the combustion of magnesium metal are reduced, the direct yield of magnesium is improved, and the burning loss is reduced.
2. When the ingot mould has one third of the zinc-aluminum-magnesium alloy melt, slagging is started, so that slag inclusion in the zinc-aluminum-magnesium alloy is mainly prevented, and the product percent of pass is improved.
3. The cooling mode of the invention adopts natural cooling, thus improving the product percent of pass.
4. The invention can be used for the batch production of the zinc-aluminum-magnesium alloy, can only be used for small-scale production by adopting the measures of inert gas protection, has low magnesium burning loss rate, simple process operation, easy control and low production cost, and can stably produce the qualified zinc-aluminum-magnesium alloy in large batch.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention.
Detailed Description
Alternative embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the drawings show alternative embodiments of the present application, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The liquid-solid ratio in the application of the invention refers to the ratio of the mass of the solution to the mass of the solid material in the reaction system.
The following describes the production method of the high magnesium zinc aluminum magnesium alloy of the present invention in detail with reference to the accompanying drawings, which are as follows:
the production method of the high magnesium zinc aluminum magnesium alloy comprises the following steps:
s1, adding a zinc sheet into a cored induction furnace by adopting a pusher for melting, adding ammonium chloride for deslagging, and then flowing into the coreless induction furnace through a chute;
s2, mixing zinc sheets, aluminum ingots and magnesium ingots according to a weight ratio, then smelting, adding ammonium chloride for slagging, pouring a cored induction furnace after smelting, sampling and analyzing to be qualified, and casting zinc-aluminum-magnesium alloy liquid through a chute;
s3, the zinc-aluminum-magnesium alloy melt flows into the ingot mold from the chute, and slag removal is started when one third of the zinc-aluminum-magnesium alloy melt exists in the ingot mold, wherein the slag removal is started at the moment mainly for preventing slag inclusion in the zinc-aluminum-magnesium alloy. After the casting is finished, the scum is removed for 2 to 6 times, and the scum is removed; after casting, removing the scum for 2-6 times, and cleaning the scum;
s4, uniformly spreading a refining agent on the surface of the zinc-aluminum-magnesium alloy by using a vibrating screen filled with the refining agent for refining; mainly used for alloy covering and refining. The refining agent can further enhance the diffusion performance, surface tension and chemical stability of the flux. The melting point and the specific gravity of the magnesium alloy are lower than those of zinc-aluminum-magnesium alloy, and the magnesium alloy can play a role in isolating a melt from air when being scattered on the zinc-aluminum-magnesium alloy, so that the oxidation and the combustion of magnesium metal are reduced, the direct yield of magnesium is improved, and the burning loss is reduced.
S5, naturally cooling for 2-5 h, demolding, and polishing to be smooth. If the coolant is cooled, the cooling time is short, but the refining agent can be diluted by the coolant and cannot play a refining effect, so that magnesium burns, the surface is blackened, and the surface quality of a product is unqualified. Because the refining agent can generate scum on the surface of the zinc-aluminum-magnesium alloy in the refining process, if the zinc-aluminum-magnesium alloy is not polished, the surface quality of the product is unqualified.
In one embodiment of the present invention, the slag striking manner of striking slag for 2-6 times in S3 is from four sides to the middle, so that the slag can be struck clean, magnesium is oxidized in the ingot mold, and the number of striking slag is large.
In one embodiment of the present invention, the spreading thickness of the refining agent in S4 is 3 to 10mm.
In one embodiment of the present invention, the refining agent in S4 is a mixed flux of magnesium chloride, potassium chloride, barium chloride, calcium fluoride, sodium chloride, and calcium chloride, and the content ratio of magnesium chloride, potassium chloride, barium chloride, calcium fluoride, sodium chloride, calcium chloride, and magnesium oxide is (31-35): (21-25): (20-27), (16-18), (1-3) and (0-1.0).
For the sake of clarity, the following examples are given in detail.
Example 1
And adding the zinc sheet into a cored induction furnace by adopting a pusher for melting, adding ammonium chloride for slagging, and flowing into the coreless induction furnace through a chute. And (3) zinc sheet preparation: aluminum ingot: the magnesium ingot is proportioned according to the weight ratio and then smelted, ammonium chloride is added for slag removal, the cored induction furnace is poured after smelting, sampling and analyzing are qualified, and the zinc-aluminum-magnesium alloy liquid is cast through a chute.
The zinc-aluminum-magnesium alloy melt flows into an ingot mold from a chute, when one third of the zinc-aluminum-magnesium alloy melt exists in the ingot mold, the slag is removed, and the slag can be removed completely from the periphery to the middle in a slag removing mode; and after casting is finished, removing slag for 2 times, wherein the slag can be removed completely from the periphery to the middle in a slag removing mode. And then uniformly spreading the refining agent on the surface of the zinc-aluminum-magnesium alloy by using a vibrating screen filled with the refining agent, and refining, wherein the thickness of the refining agent is 10mm. The refining agent mainly comprises a mixed flux of magnesium chloride, potassium chloride, barium chloride, calcium fluoride, sodium chloride and calcium chloride, wherein the content ratio of the magnesium chloride, the potassium chloride, the barium chloride, the calcium fluoride, the sodium chloride, the calcium chloride and the magnesium oxide is 31. And naturally cooling for 5h, demolding, polishing smoothly, and forking the zinc-aluminum-magnesium alloy to a product area by using a forklift for stacking. The percent of pass of the zinc-magnesium-aluminum alloy is more than 95 percent.
Example 2
And adding the zinc sheet into a cored induction furnace by adopting a pusher for melting, adding ammonium chloride for slagging, and flowing into the coreless induction furnace through a chute. And (3) zinc sheet preparation: aluminum ingot: the magnesium ingot is proportioned according to the weight ratio and then smelted, ammonium chloride is added for slag removal, the cored induction furnace is poured after smelting, sampling and analyzing are qualified, and the zinc-aluminum-magnesium alloy liquid is cast through a chute.
The zinc-aluminum-magnesium alloy melt flows into an ingot mold from a chute, when one third of the zinc-aluminum-magnesium alloy melt exists in the ingot mold, the slag is removed, and the slag can be removed completely from the periphery to the middle in a slag removing mode; and after casting is finished, removing slag for 4 times, wherein the slag can be removed completely from the periphery to the middle in a slag removing mode. And then uniformly spreading the refining agent on the surface of the zinc-aluminum-magnesium alloy by using a vibrating screen filled with the refining agent, and refining, wherein the thickness of the refining agent is 7mm. The refining agent mainly comprises a mixed flux of magnesium chloride, potassium chloride, barium chloride, calcium fluoride, sodium chloride and calcium chloride, wherein the content ratio of the magnesium chloride, the potassium chloride, the barium chloride, the calcium fluoride, the sodium chloride, the calcium chloride and the magnesium oxide is 33. Naturally cooling for 3.5h, demoulding, polishing smoothly after demoulding, and forking the zinc-aluminum-magnesium alloy to a product area by using a forklift for stacking. The percent of pass of the zinc-magnesium-aluminum alloy is more than 97 percent.
Example 3
And adding the zinc sheet into a cored induction furnace by adopting a pusher for melting, adding ammonium chloride for slagging, and flowing into the coreless induction furnace through a chute. And (3) zinc sheet preparation: aluminum ingot: the magnesium ingot is proportioned according to the weight ratio and then smelted, ammonium chloride is added for slag removal, the cored induction furnace is poured after smelting, sampling and analyzing are qualified, and the zinc-aluminum-magnesium alloy liquid is cast through a chute.
The zinc-aluminum-magnesium alloy melt flows into an ingot mold from a chute, when one third of the zinc-aluminum-magnesium alloy melt exists in the ingot mold, the slag is removed, and the slag can be removed completely from the periphery to the middle in a slag removing mode; and after the casting is finished, the slag is removed for 6 times, and the slag can be removed completely from the periphery to the middle in a slag removing mode. And then uniformly spreading the refining agent on the surface of the zinc-aluminum-magnesium alloy by using a vibrating screen filled with the refining agent, and refining, wherein the thickness of the refining agent is 3mm. The refining agent mainly comprises a mixed flux of magnesium chloride, potassium chloride, barium chloride, calcium fluoride, sodium chloride and calcium chloride, wherein the content ratio of the magnesium chloride, the potassium chloride, the barium chloride, the calcium fluoride, the sodium chloride, the calcium chloride and the magnesium oxide is 35. Naturally cooling for 2h, demoulding, polishing smoothly, and forking the zinc-aluminum-magnesium alloy to a product area by using a forklift for stacking. The percent of pass of the zinc-magnesium-aluminum alloy is more than 99 percent.
While various embodiments of the present application have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or improvements to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (4)
1. The production method of the high-magnesium zinc aluminum magnesium alloy is characterized by comprising the following steps of:
s1, adding a zinc sheet into a cored induction furnace by using a pusher for melting, adding ammonium chloride for slagging, and flowing into the coreless induction furnace through a chute;
s2, mixing zinc sheets, aluminum ingots and magnesium ingots according to a weight ratio, then smelting, adding ammonium chloride for slagging, pouring a cored induction furnace after smelting, sampling and analyzing to be qualified, and casting zinc-aluminum-magnesium alloy liquid through a chute;
s3, enabling the zinc-aluminum-magnesium alloy melt to flow into an ingot mold from a chute, when one third of the zinc-aluminum-magnesium alloy melt exists in the ingot mold, starting to remove slag, completing casting, removing slag for 2-6 times, and removing floating slag completely;
s4, uniformly spreading a refining agent on the surface of the zinc-aluminum-magnesium alloy by using a vibrating screen filled with the refining agent for refining;
s5, naturally cooling for 2-5 h, demolding, and polishing to be smooth.
2. The production method according to claim 1, wherein the slag striking manner of S3 for 2-6 times of slag striking is from four sides to the middle.
3. The production method according to claim 1, wherein the spreading thickness of the refining agent in S4 is 3 to 10mm.
4. The production method of claim 1, wherein the refining agent in S4 mainly comprises a mixed flux of magnesium chloride, potassium chloride, barium chloride, calcium fluoride, sodium chloride and calcium chloride, and the content ratio of the magnesium chloride, the potassium chloride, the barium chloride, the calcium fluoride, the sodium chloride, the calcium chloride and the magnesium oxide is (31-35): (21-25): (20-27), (16-18), (1-3) and (0-1.0).
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB561748A (en) * | 1942-11-18 | 1944-06-02 | Magnesium Elektron Ltd | Improvements in or relating to flux for use in the treatment of light metal |
| GB562597A (en) * | 1942-12-24 | 1944-07-07 | Magnesium Elektron Ltd | Improvements in or relating to fluxes for use in the treatment of light metals |
| GB562636A (en) * | 1942-12-24 | 1944-07-10 | Magnesium Elektron Ltd | Improvements in or relating to fluxes for use in the treatment of light metals |
| JP2009293075A (en) * | 2008-06-04 | 2009-12-17 | Mitsui Mining & Smelting Co Ltd | Magnesium-zinc alloy and magnesium-zinc alloy member |
| CN103484696A (en) * | 2013-01-04 | 2014-01-01 | 贵州省冶金化工研究所 | Production method for zinc alloy |
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| CN111455217A (en) * | 2020-05-29 | 2020-07-28 | 云南驰宏资源综合利用有限公司 | Method for producing zinc-magnesium-aluminum alloy in laboratory |
| CN111500881A (en) * | 2020-05-29 | 2020-08-07 | 云南驰宏资源综合利用有限公司 | Method for smelting high-magnesium zinc-based alloy |
| CN112301248A (en) * | 2019-11-13 | 2021-02-02 | 中国科学院金属研究所 | Efficient magnesium-containing aluminum alloy refining and slagging dual-purpose flux and preparation method thereof |
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2022
- 2022-08-23 CN CN202211010328.2A patent/CN115216660A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB561748A (en) * | 1942-11-18 | 1944-06-02 | Magnesium Elektron Ltd | Improvements in or relating to flux for use in the treatment of light metal |
| GB562597A (en) * | 1942-12-24 | 1944-07-07 | Magnesium Elektron Ltd | Improvements in or relating to fluxes for use in the treatment of light metals |
| GB562636A (en) * | 1942-12-24 | 1944-07-10 | Magnesium Elektron Ltd | Improvements in or relating to fluxes for use in the treatment of light metals |
| JP2009293075A (en) * | 2008-06-04 | 2009-12-17 | Mitsui Mining & Smelting Co Ltd | Magnesium-zinc alloy and magnesium-zinc alloy member |
| CN103484696A (en) * | 2013-01-04 | 2014-01-01 | 贵州省冶金化工研究所 | Production method for zinc alloy |
| CN109881045A (en) * | 2019-04-02 | 2019-06-14 | 云南驰宏资源综合利用有限公司 | A kind of method of admiro melting and casting |
| CN112301248A (en) * | 2019-11-13 | 2021-02-02 | 中国科学院金属研究所 | Efficient magnesium-containing aluminum alloy refining and slagging dual-purpose flux and preparation method thereof |
| CN111455217A (en) * | 2020-05-29 | 2020-07-28 | 云南驰宏资源综合利用有限公司 | Method for producing zinc-magnesium-aluminum alloy in laboratory |
| CN111500881A (en) * | 2020-05-29 | 2020-08-07 | 云南驰宏资源综合利用有限公司 | Method for smelting high-magnesium zinc-based alloy |
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