CN115287449A - Production method of circulation grade-keeping 5-series high-strength tank cover material - Google Patents
Production method of circulation grade-keeping 5-series high-strength tank cover material Download PDFInfo
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- CN115287449A CN115287449A CN202210973863.1A CN202210973863A CN115287449A CN 115287449 A CN115287449 A CN 115287449A CN 202210973863 A CN202210973863 A CN 202210973863A CN 115287449 A CN115287449 A CN 115287449A
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- 239000000463 material Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000002699 waste material Substances 0.000 claims abstract description 36
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 32
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000003723 Smelting Methods 0.000 claims abstract description 18
- 238000005266 casting Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000002844 melting Methods 0.000 claims abstract description 14
- 230000008018 melting Effects 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 14
- 238000003801 milling Methods 0.000 claims abstract description 13
- 238000007670 refining Methods 0.000 claims abstract description 10
- 238000004321 preservation Methods 0.000 claims abstract description 9
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 7
- 238000007872 degassing Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 238000005098 hot rolling Methods 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 238000004064 recycling Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 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
- 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
- 238000000265 homogenisation Methods 0.000 claims 1
- 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
- 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
- 239000011572 manganese Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 229910052748 manganese Inorganic materials 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
- 229910052725 zinc Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 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
- 230000001681 protective effect Effects 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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Classifications
-
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
-
- 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
-
- 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
- C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
- C22B9/055—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ while the metal is circulating, e.g. combined with filtration
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A production method of a circulating grading 5-series high-strength tank 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 high-strength tank cover material waste into a waste 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 a 5-series high-strength tank cover; step five: transferring the qualified aluminum liquid into a heat preservation furnace for refining; step six: carrying out online deslagging, degassing, filtering treatment and large slab ingot casting; 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 finishing and warehousing. The invention recycles the waste high-strength alloy of the cap making factory to the field of metal packaging, does not degrade and use the waste can cap material or other products, 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 circulating classification 5-series high-strength tank cover material.
Background
The high-strength tank cover material is mainly used for a cover of a pressure liquid container tank, and has high requirement on strength attenuation. The domestic aluminum processing factory has been subjected to technology accumulation for many years and is mature at present, but the waste materials generated in the cap manufacturing production process are not effectively recycled and recycled to the protective production of the can cap, and the production technology is still blank at home at present.
Waste material generated during the production of the lid manufacturing plant and used waste lids are generally returned to the society for recycling waste material plants for the production of die castings or other products. Thereby resulting in degraded use of the can lid scrap without effective reuse in the production of the lidstock. This results in a waste of aluminum resources for the capstock.
The recovered waste tank cover material is recycled, and the requirement on the quality of the melt is high. With the light weight of aluminum for the cover, the thickness is gradually reduced to be less than 0.20mm, so that the requirements on performance indexes such as strength and formability of materials are higher and higher, and in order to obtain better materials, the production process is specially developed, so that the technical indexes such as the performance and the formability of the materials meet the use requirements of downstream products.
Disclosure of Invention
The invention provides a production method of a circulation grade 5-series high-strength tank 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 circulating classification 5-series high-strength tank cover material comprises the following steps:
the method comprises the following steps: adding the high-strength tank cover material waste into a waste treatment system for melting, wherein the melting temperature is 690-765 ℃, 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 a charging proportion of 60-90%;
step four: the smelting furnace is prepared according to the chemical composition proportion of a 5-series high-strength tank cover, and the smelting temperature is 690-765 ℃;
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 670-720 ℃ 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 460-580 ℃, and the heat preservation time is 3-20 hours;
step nine: the hot rolling finishing temperature is 300-350 ℃, 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 circulating classification 5-series high-strength tank cover material is characterized by comprising the following steps of: the element remover in the second step comprises: iron removing agent and silicon removing agent.
The production method of the circulation grade 5-series high-strength tank cover material is characterized by comprising the following steps of: 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 5-series high-strength tank cover material is characterized by comprising the following steps of: the silicon remover comprises the following main components: calcium sulfide, active carbon and sulfur.
The preparation method of the production method of the circulation grade 5-series high-strength tank 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 LIMCA CM slag determination, determining slag content N 20 Controlled within 24k/kg, N 40 The control is within 1.8 k/kg. The maximum size of the compound is controlled to be 8-12 mu m when the finished product is produced and observed by using an electron microscope, and the product quality is ensured by combining process parameters of all procedures and strictly controlling the process quality. The waste high-strength alloy in the cap making factory is effectively recycled to the field of metal packaging, and the waste can cap material is not degraded to be used or used in other products, so that the use of new electrolytic aluminum liquid or a remelted ingot is reduced, the emission of carbon dioxide is reduced, and green, efficient and recycling economy is really realized; book (I)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 a series 5 high strength can lid stock prepared in example 1;
FIG. 2 is a microstructure of a line 5 high strength can lid prepared in example 2;
FIG. 3 is a microstructure of a line 5 high strength can lid stock prepared in example 3;
FIG. 4 is a test report of the line 5 high strength can end stock prepared in example 1;
FIG. 5 is a test report of the line 5 high strength can end stock prepared in example 2;
FIG. 6 is a test report of the line 5 high strength can end stock 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 5-series high-strength waste cover material into a 755 ℃ waste treatment system for melting, wherein the chemical components detected after melting are as follows: si,0.17%; 0.62 percent of Fe; 0.032% of Cu; 0.47 percent of Mn; mg,5.32%; 0.009% of Cr; 0.008% of Zn; 0.017 percent of Ti;
adding qualified recovered aluminum liquid in the waste treatment system into a 755 ℃ 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,0.089%; 0.23 percent of Fe; 0.086% of Cu; 0.35 percent of Mn; mg,4.86%; 0.0021% of Cr; 0.003 percent of Zn; ti,0.022%;
transferring the molten aluminum in the smelting furnace to a 730 ℃ heat preservation furnace for refining for 30 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 683 ℃ and the speed of 48 mm/min;
milling the large surface of a large flat ingot by 10mm, milling the small surface by 3mm, preserving the heat for 12 hours at 495 ℃ in a heating furnace, opening the furnace for rolling at 450 ℃, and performing hot rolling and final rolling at 310 ℃ and with the thickness of 2.3mm;
the thickness of the cold-rolled finished product is 0.208mm, and the temperature is 93 ℃.
Example 2
Adding the recycled 5-series high-strength waste cover material into a 760 ℃ waste treatment system for melting, wherein the chemical components detected after melting are as follows: 0.15 percent of Si; 0.63% of Fe; cu,0.042%; 0.47 percent of Mn; 5.3 percent of Mg; 0.008% of Cr; 0.007% of Zn; 0.017 percent of Ti;
adding the molten recovered aluminum liquid in the waste treatment system into a 760 ℃ smelting furnace according to 90% of charging amount, melting the molten recovered aluminum liquid and 10% of electrolytic aluminum liquid, re-melted ingots and intermediate alloys 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,0.072%; 0.26 percent of Fe; cu,0.075%; 0.37 percent of Mn; mg,4.73%; 0.004% of Cr; 0.003 percent of Zn; ti,0.021%;
transferring the molten aluminum in the smelting furnace to a 740 ℃ heat preservation furnace for refining for 40 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 the casting temperature of 693 ℃ and the speed of 52 mm/min;
milling a large surface of a large flat ingot by 10mm, keeping the milling surface amount of the small surface of the large flat ingot at 510 ℃ for 8 hours in a heating furnace, opening the furnace for rolling at 480 ℃, and performing hot rolling at the finish rolling temperature of 320 ℃ to obtain a large flat ingot with the thickness of 2.2mm;
the thickness of the cold-rolled finished product is 0.218mm, and the temperature is 91 ℃.
Example 3
Adding the recycled 5-series high-strength waste cover material into a 765 ℃ waste treatment system for melting, wherein the chemical components detected after melting are as follows: si,0.16%; 0.67% of Fe; 0.035% of Cu; 0.42 percent of Mn; 5.2 percent of Mg; 0.0027 percent of Cr; 0.003 percent of Zn; 0.016 percent of Ti;
adding 90% of the charging amount of the molten recovered aluminum liquid in the waste treatment system into a 765 ℃ smelting furnace, melting the molten aluminum liquid and 10% of other alloy self-production waste 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,0.063%; 0.31 percent of Fe; cu,0.062%; 0.31% of Mn; mg,4.66%; 0.0021% of Cr; 0.0028% of Zn; 0.026% of Ti;
transferring the molten aluminum in the smelting furnace to a 745 ℃ heat preservation furnace for refining for 45 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 the casting temperature of 705 ℃ 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 of the large flat ingot in a heating furnace at 530 ℃ for 5 hours, opening the furnace for rolling at 500 ℃, and performing hot rolling and final rolling at the temperature of 330 ℃ and the thickness of 2.0mm;
the thickness of the cold-rolled finished product is 0.224mm, and the temperature is 88 ℃.
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 should 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 (5)
1. A production method of a circulation grade 5-series high-strength tank cover material is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: adding the high-strength tank cover material waste into a waste treatment system for melting, wherein the melting temperature is 690-765 ℃, 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 a 5-series high-strength tank cover, and the smelting temperature is 690-765 ℃;
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 on-line deslagging, degassing and filtering treatment, and casting a large flat ingot at the casting temperature of 670-720 ℃ 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 homogenization temperature is 460-580 ℃, and the heat preservation time is 3-20 hours;
step nine: the hot rolling finishing temperature is 300-350 ℃, 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. The method for producing a recycling grade 5 series high strength can lid stock according to claim 1, wherein: the element remover in the second step comprises: iron removing agent and silicon removing agent.
3. The method for producing the recyclable grade 5 series high strength can lidstock as claimed in claim 2, wherein: the main components of the iron remover comprise: borax, zirconium chloride, potassium fluoborate, manganese chloride and calcium chloride.
4. The method for producing the recyclable grade 5 series high strength can lidstock as claimed in claim 3, wherein: the silicon remover comprises the following main components: calcium sulfide, active carbon and sulfur.
5. The method for preparing the circulation guarantee grade 5 series high strength tank cover material according to the claim 1, characterized in that: 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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| CN202210973863.1A CN115287449A (en) | 2022-08-15 | 2022-08-15 | Production method of circulation grade-keeping 5-series high-strength tank cover material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220414A (en) * | 2008-01-30 | 2008-07-16 | 湖南晟通科技有限公司 | Technique for casting and rolling to produce 5052 alloy with electrolytic aluminium liquid short process flow |
| US20120152414A1 (en) * | 2009-08-27 | 2012-06-21 | Yun Che | Multi-element heat-resistant aluminum alloy material with high strength and preparation method thereof |
| CN103146924A (en) * | 2013-03-18 | 2013-06-12 | 天津立中合金集团有限公司 | Multi-stage impurity removing and refining method in production process of secondary aluminum |
| CN114622107A (en) * | 2022-02-10 | 2022-06-14 | 山东南山铝业股份有限公司 | Green circulating grading 5-series low-strength automobile plate production method |
-
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- 2022-08-15 CN CN202210973863.1A patent/CN115287449A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220414A (en) * | 2008-01-30 | 2008-07-16 | 湖南晟通科技有限公司 | Technique for casting and rolling to produce 5052 alloy with electrolytic aluminium liquid short process flow |
| US20120152414A1 (en) * | 2009-08-27 | 2012-06-21 | Yun Che | Multi-element heat-resistant aluminum alloy material with high strength and preparation method thereof |
| CN103146924A (en) * | 2013-03-18 | 2013-06-12 | 天津立中合金集团有限公司 | Multi-stage impurity removing and refining method in production process of secondary aluminum |
| CN114622107A (en) * | 2022-02-10 | 2022-06-14 | 山东南山铝业股份有限公司 | Green circulating grading 5-series low-strength automobile plate production method |
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Application publication date: 20221104 |