CN115216662A - Production method of circulation-guaranteed 8-series unscrewing cover material - Google Patents
Production method of circulation-guaranteed 8-series unscrewing cover material Download PDFInfo
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- CN115216662A CN115216662A CN202210991571.0A CN202210991571A CN115216662A CN 115216662 A CN115216662 A CN 115216662A CN 202210991571 A CN202210991571 A CN 202210991571A CN 115216662 A CN115216662 A CN 115216662A
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- 239000000463 material Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 34
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000002699 waste material Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000003723 Smelting Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000000126 substance Substances 0.000 claims abstract description 15
- 238000002844 melting Methods 0.000 claims abstract description 14
- 230000008018 melting Effects 0.000 claims abstract description 14
- 238000003801 milling Methods 0.000 claims abstract description 13
- 238000004321 preservation Methods 0.000 claims abstract description 9
- 238000007670 refining Methods 0.000 claims abstract description 9
- 238000007872 degassing Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000005098 hot rolling Methods 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 238000005266 casting Methods 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000011777 magnesium Substances 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910021380 Manganese Chloride Inorganic materials 0.000 claims description 2
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 229910021538 borax Inorganic materials 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 150000001805 chlorine compounds Chemical class 0.000 claims description 2
- 150000002222 fluorine compounds Chemical class 0.000 claims description 2
- 239000011565 manganese chloride Substances 0.000 claims description 2
- 229940099607 manganese chloride Drugs 0.000 claims description 2
- 235000002867 manganese chloride Nutrition 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000004328 sodium tetraborate Substances 0.000 claims description 2
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000001569 carbon dioxide Substances 0.000 abstract description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 2
- 238000005097 cold rolling Methods 0.000 abstract 1
- 239000002893 slag Substances 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 6
- 239000011572 manganese Substances 0.000 description 5
- 239000000155 melt Substances 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009966 trimming Methods 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
- C22C1/026—Alloys based on aluminium
-
- 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
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/066—Treatment of circulating aluminium, e.g. by filtration
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
- C22B7/002—Dry processes by treating with halogens, sulfur or compounds thereof; by carburising, by treating with hydrogen (hydriding)
-
- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A production method of a circulation grade 8-series unscrewing cover material belongs to the field of metal packaging processing in the aluminum processing industry, and comprises the following steps: the method comprises the following steps: adding the unscrewing cover material waste into a waste material treatment system for melting; step two: using an element remover according to the detected chemical composition result; step three: transferring the molten aluminum into a smelting furnace; step four: the smelting furnace is prepared according to the chemical composition proportion of 8 series unscrewing covers; step five: transferring the qualified aluminum liquid into a heat preservation furnace for refining; step six: carrying out on-line deslagging, degassing and filtering treatment; step seven: milling the surface of a large flat ingot; step eight: homogenizing the large flat ingot; step nine: hot rolling; step ten: cold rolling; step eleven: and (7) warehousing. The invention recycles the waste bottle cap materials in the cap making factory to the field of metal packaging cap making, does not degrade the waste cap materials to other products, reduces the use of new electrolytic aluminum liquid or remelted ingots, reduces the emission of carbon dioxide, and really realizes green, efficient and recycling economy.
Description
Technical Field
The invention belongs to the field of metal packaging processing in the aluminum processing industry, and particularly relates to a production method of a circulation-guaranteed 8-series unscrewing cover material.
Background
The 8-series unscrewing cap technology is already applied to products in a mature way abroad, and the products are successfully researched and developed in China and form mass supply. The waste materials generated in the production process of the cap manufacturing factory are not effectively recycled to the production of the screw-on cap, and the production technology is still blank at home at present.
The 8-series unscrewing cap alloy mainly controls the contents of Fe and Si elements, the performance is mainly adjusted by adjusting the contents of the Fe and Si elements, and the indexes such as the performance, the formability and the like of a product are directly influenced by overhigh or overlow elements, and finally the use result is influenced. The bottle cap materials used by a cap maker come from different aluminum processing plants, the different aluminum processing plants have different equipment and different processes for producing the materials, and the difference of chemical compositions is large due to the different processes.
The recycling application of the recovered waste bottle cap material is mainly strict control on the melt quality. With the light weight of aluminum for bottle caps, the requirements on indexes such as thickness, strength, formability and surface of materials are higher and higher, and in order to obtain better materials, the production process is specially developed, so that various technical indexes such as performance and formability of the materials meet the use requirements of downstream products.
Disclosure of Invention
The invention provides a production method of a circulation-guaranteed 8-series unscrewing cover material, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
a production method of a circulation grade 8-series unscrewing cover material comprises the following steps:
the method comprises the following steps: adding the unscrewing cover material waste into a waste material treatment system for melting, wherein the melting temperature is 690-760 ℃, and detecting chemical components;
step two: according to the detected chemical composition result, an element remover is used to reduce the elements with high content in the alloy to the upper limit of the process requirement;
step three: transferring molten aluminum melted by the waste treatment system into a smelting furnace according to the charging proportion of 60-90%;
step four: the smelting furnace is prepared according to the chemical composition proportion of 8 series unscrewing covers, and the smelting temperature is 690-760 ℃;
step five: transferring the qualified aluminum liquid into a heat preservation furnace for refining at the refining temperature of 700-750 ℃ for 20-90 minutes;
step six: carrying out online deslagging, degassing and filtering treatment, and casting a large flat ingot at the casting temperature of 690-720 ℃ and the casting speed of 50-60 mm/min;
step seven: milling the surface of the large flat ingot, wherein the milling amount of the large surface is 10-25 mm, and the milling amount of the small surface is 3-15 mm;
step eight: homogenizing the large flat ingot, wherein the homogenizing temperature is 550-580 ℃, and the heat preservation time is 3-20 hours;
step nine: the hot rolling finishing temperature is 290-320 ℃, and the thickness is 2-4 mm;
step ten: the temperature of the cold-rolled finished product is less than 100 ℃;
step eleven: and finishing, trimming, packaging and warehousing the finished products.
The production method of the circulation grade 8 series unscrewing cover material is characterized in that: the element remover in the second step comprises: iron removing agent, silicon removing agent and magnesium removing agent.
The production method of the circulation grade 8 series unscrewing cover material is characterized in that: the iron remover comprises the following main components: borax, zirconium chloride, potassium fluoborate, manganese chloride and calcium chloride.
The production method of the circulation grade 8 series unscrewing cover material is characterized in that: the silicon remover comprises the following main components: calcium sulfide, active carbon and sulfur.
The production method of the circulation grade 8 series unscrewing cover material is characterized in that: the magnesium removing agent mainly comprises the following components: chlorides and fluorides.
The preparation method of the production method of the circulation-guaranteed 8-series unscrewing cover material is characterized by comprising the following steps of: the use sequence of the element remover in the second step is as follows: firstly adding a high-melting-point element remover, and then adding a low-melting-point element remover; the amount of the element-removing agent used is: the element remover is required to be added once every time the waste aluminum is added by the waste material treatment system, and the adding amount of the element remover is determined according to the detection content condition of each element of the batch of waste aluminum.
The invention has the advantages that:
the invention recovers the waste aluminum from the cap making plant, and purifies the quality of the aluminum liquid by the waste treatment system. The aluminum scrap with different proportions is used in the smelting furnace, the components of the aluminum liquid are uniform through electromagnetic stirring, and the aluminum liquid is refined in a heat preservation furnace and subjected to online degassing, deslagging and filtering. On-line LIMCACM slag determination, determining slag content N 20 Controlled within 25k/kg, N 40 The control is within 1.9 k/kg. The maximum size of the compound is controlled to be 10 to E when the electron microscope is used for observing the finished product11 μm, and ensures the product quality through the combination of process parameters of each procedure and strict process quality control. The waste bottle cap materials in the cap making factory are effectively recycled to the field of metal packaging cap making, the waste cap materials are not degraded to be used in other products, the use of new electrolytic aluminum liquid or remelted ingots is reduced, the emission of carbon dioxide is reduced, and green, efficient and recycling economy is really realized; the process equipment related by the invention is universal equipment, has lower cost, is easy to operate and is easy to realize industrially.
Description of the drawings:
FIG. 1 is a microstructure of the 8-series screw-off capstock prepared in example 1;
FIG. 2 is a microstructure of the 8-series screw-off capstock prepared in example 2;
FIG. 3 is a microstructure of the 8-series screw-off capstock prepared in example 3;
FIG. 4 is a test report of the 8-series screw-off lidstock prepared in example 1;
FIG. 5 is a report of the test for the 8-series screw-off lidstock prepared in example 2;
FIG. 6 is a test report of the 8-series screw-off lidstock prepared in example 3;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Example 1
Adding the recycled 8-series unscrewing cap waste into a 760 ℃ waste treatment system for melting, wherein the chemical components detected after melting are as follows: si,0.86%; 0.92 percent of Fe; 0.004% of Cu; 0.005% of Mn; 0.25% of Mg; 0.003 percent of Cr; 0.002% of Zn; ti,0.021%;
adding qualified recovered aluminum liquid melted in the waste treatment system into a 760 ℃ smelting furnace according to 60% of charging amount, melting the recovered aluminum liquid and 40% of electrolytic aluminum liquid, re-melted ingot and intermediate alloy together, and using an electromagnetic stirrer to achieve uniform chemical components in the smelting furnace;
the detection result after the components are adjusted and kept still for 10 minutes is as follows: si,0.63%; 0.75 percent of Fe; 0.003% of Cu; 0.004% of Mn; 0.008% of Mg; 0.003 percent of Cr; 0.008% of Zn; 0.017 percent of Ti;
transferring the molten aluminum in the smelting furnace to a 730 ℃ heat preservation furnace for refining for 25 minutes, and carrying out online deslagging, degassing and filtering treatment;
condition of slag content
The slag content is one of the standards for measuring the quality and cleanliness of the melt, and the actual detection meets the process requirements;
the casting machine carries out casting at the casting temperature of 690 ℃ and the speed of 50 mm/min;
milling the large surface of a large flat ingot by 10mm, milling the small surface by 3mm, preserving the heat of the large flat ingot in a heating furnace at 550 ℃ for 12 hours, opening the furnace for rolling at 505 ℃, and performing hot rolling at the final rolling temperature of 310 ℃ to obtain the large flat ingot with the thickness of 2.5mm;
the thickness of the cold-rolled finished product is 0.210mm, and the temperature is 83 ℃.
Example 2
Adding the recycled 8-series unscrewing cap waste into a waste treatment system at 750 ℃ for melting, wherein the detection chemical components after melting are as follows: si,0.83%; 0.91% of Fe; 0.005% of Cu; 0.008% of Mn; 0.24 percent of Mg; 0.007% of Cr; zn,0.009%; 0.026% of Ti;
adding the recovered aluminum liquid melted in the waste treatment system into a 750 ℃ smelting furnace according to 90% of charging amount, melting the recovered aluminum liquid and 10% of electrolytic aluminum liquid, re-melted ingot and intermediate alloy together, and using an electromagnetic stirrer to achieve uniform chemical components in the smelting furnace;
the detection result after 10 minutes of standing by adjusting the components is as follows: si,0.65%; 0.78% of Fe; 0.0012% of Cu; mn,0.003%; mg,0.007%; 0.002% of Cr; 0.008% of Zn; 0.016% of Ti;
transferring the molten aluminum in the smelting furnace to a 745 ℃ heat preservation furnace for refining for 35 minutes, and carrying out online deslagging, degassing and filtering treatment;
slag content condition
The slag content is one of the standards for measuring the quality and cleanliness of the melt, and the actual detection meets the process requirements;
the casting machine carries out casting at the casting temperature of 695 ℃ and the speed of 55 mm/min;
milling the large surface of a large flat ingot by 10mm, milling the small surface by 3mm, preserving the heat for 8 hours at 560 ℃ in a heating furnace, opening the furnace for rolling at 520 ℃, and performing hot rolling and final rolling at 320 ℃ to obtain a large flat ingot with the thickness of 2.4mm;
the thickness of the cold-rolled finished product is 0.215mm, and the temperature is 76 ℃.
Example 3
Adding the recycled 8-series unscrewing cap waste into a 755 ℃ waste treatment system for melting, wherein the chemical components detected after melting are as follows: si,0.82%; 0.87% of Fe; 0.005% of Cu; 0.008% of Mn; 0.26% of Mg; 0.007% of Cr; 0.006% of Zn; 0.023 percent of Ti;
adding the molten recovered aluminum liquid in the waste treatment system into a 755 ℃ smelting furnace according to 90% of charging amount, melting the molten recovered aluminum liquid and other alloy self-produced waste together with 10% of the molten recovered aluminum liquid, and using an electromagnetic stirrer to achieve uniform chemical components in the smelting furnace;
the detection result after the components are adjusted and kept still for 10 minutes is as follows: si,0.64%; 0.82 percent of Fe; 0.003% of Cu; 0.005% of Mn; 0.005% of Mg; 0.005% of Cr; 0.004% of Zn; 0.018% of Ti;
transferring the molten aluminum in the smelting furnace to a heat preservation furnace at 750 ℃ for refining for 55 minutes, and performing online deslagging, degassing and filtering treatment;
slag content condition
The slag content is one of the standards for measuring the quality and cleanliness of the melt, and the actual detection meets the process requirements;
the casting machine carries out casting at a casting temperature of 698 ℃ and a speed of 60mm/min;
milling the large surface of a large flat ingot by 10mm, milling the small surface by 3mm, preserving the heat of the large flat ingot in a heating furnace at 570 ℃ for 5 hours, opening the furnace for rolling at 500 ℃, and performing hot rolling and final rolling at 330 ℃ to obtain the large flat ingot with the thickness of 2.3mm;
the thickness of the cold-rolled finished product is 0.220mm, and the temperature is 72 ℃.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A production method of a circulation grade 8-series unscrewing cover material is characterized in that: the method comprises the following steps:
the method comprises the following steps: adding 8 series unscrewing and covering waste into a waste treatment system for melting, wherein the melting temperature is 690-760 ℃, and detecting chemical components;
step two: according to the detected chemical composition result, an element remover is used to reduce the elements with high content in the alloy to the upper limit of the process requirement;
step three: transferring molten aluminum melted by the waste treatment system into a smelting furnace according to the charging proportion of 60-90%;
step four: the smelting furnace is prepared according to the chemical composition proportion of 8 series unscrewing covers, and the smelting temperature is 690-760 ℃;
step five: transferring the qualified aluminum liquid into a heat preservation furnace for refining, wherein the refining temperature is 700-750 ℃, and the refining time is 20-90 minutes;
step six: carrying out online deslagging, degassing and filtering treatment, and casting a large flat ingot at the casting temperature of 690-720 ℃ and the casting speed of 50-60 mm/min;
step seven: milling the surface of a large slab ingot, wherein the milling amount of the large surface is 10-25 mm, and the milling amount of the small surface is 3-15 mm;
step eight: homogenizing the large flat ingot, wherein the homogenizing temperature is 550-580 ℃, and the heat preservation time is 3-20 hours;
step nine: the hot rolling finishing temperature is 290-320 ℃, and the thickness is 2-4 mm;
step ten: the temperature of the cold-rolled finished product is less than 100 ℃;
step eleven: and finishing, packaging and warehousing the finished cut edge products.
2. A method of producing cycle protective 8 series unscrewing capstocks as claimed in claim 1, wherein: the element remover in the second step comprises: iron removing agent, silicon removing agent and magnesium removing agent.
3. A method of producing cycle protective 8 series unscrewing capstock as claimed in claim 2, wherein: the iron remover comprises the following main components: borax, zirconium chloride, potassium fluoborate, manganese chloride and calcium chloride.
4. A method of producing cycle protective 8 series unscrewing capstock as claimed in claim 3, wherein: the silicon remover comprises the following main components: calcium sulfide, active carbon and sulfur.
5. A method of producing cycle protective 8 series unscrewing capstock as claimed in claim 3, wherein: the magnesium removing agent mainly comprises the following components: chlorides and fluorides.
6. The method for preparing the circulation guarantee 8 series unscrewing cover material as claimed in claim 1, wherein the method comprises the following steps: the use sequence of the element remover in the second step is as follows: firstly adding a high-melting-point element remover, and then adding a low-melting-point element remover; the element remover is used in the following amount: the element remover is required to be added once every time the waste aluminum is added by the waste material treatment system, and the adding amount of the element remover is determined according to the detection content condition of each element of the batch of waste aluminum.
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|---|---|---|---|---|
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| WO2020023689A1 (en) * | 2018-07-26 | 2020-01-30 | The Boeing Company | Method for regenerating copper-containing aluminum alloy from aluminum alloy scrap |
| WO2021184827A1 (en) * | 2020-03-18 | 2021-09-23 | 清远市正通金属制品有限公司 | Composite treatment method for recycled wrought aluminum alloy melt |
| CN114653771A (en) * | 2022-02-10 | 2022-06-24 | 山东南山铝业股份有限公司 | Production method of green circulating grade-guaranteeing 6-series high-forming automobile plate |
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- 2022-08-18 CN CN202210991571.0A patent/CN115216662A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386941A (en) * | 2008-10-29 | 2009-03-18 | 河南明泰铝业股份有限公司 | Hot rolling aluminium alloy for bottle cap material and producing method thereof |
| WO2019057057A1 (en) * | 2017-09-20 | 2019-03-28 | University Of Science And Technology Beijing | Methods for producing 2024 and 7075 aluminum alloys by recycling waste aircraft aluminum alloys |
| WO2020023689A1 (en) * | 2018-07-26 | 2020-01-30 | The Boeing Company | Method for regenerating copper-containing aluminum alloy from aluminum alloy scrap |
| WO2021184827A1 (en) * | 2020-03-18 | 2021-09-23 | 清远市正通金属制品有限公司 | Composite treatment method for recycled wrought aluminum alloy melt |
| CN114653771A (en) * | 2022-02-10 | 2022-06-24 | 山东南山铝业股份有限公司 | Production method of green circulating grade-guaranteeing 6-series high-forming automobile plate |
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Application publication date: 20221021 |