CN102286667B - Sodium-free refining agent for aluminum and aluminum alloy and production method thereof - Google Patents
Sodium-free refining agent for aluminum and aluminum alloy and production method thereof Download PDFInfo
- Publication number
- CN102286667B CN102286667B CN 201110240985 CN201110240985A CN102286667B CN 102286667 B CN102286667 B CN 102286667B CN 201110240985 CN201110240985 CN 201110240985 CN 201110240985 A CN201110240985 A CN 201110240985A CN 102286667 B CN102286667 B CN 102286667B
- Authority
- CN
- China
- Prior art keywords
- sodium
- refining agent
- percent
- aluminum
- aluminium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a sodium-free refining agent for aluminum and aluminum alloy, which consists of the following ingredients in percentage by weight: 15 to 25 percent of potassium aluminium fluoride, 5 to 15 percent of calcium fluoride, 10 to 25 percent of potassium carbonate, 10 to 25 percent of potassium sulfate, 5 to 15 percent of barium sulfate, 15 to 30 percent of potassium chloride and3 to 5 percent of anhydrous aluminium chloride. The invention also discloses a production method of the sodium-free refining agent. Because the sodium-free refining agent does not contain sodium salts, compared with sodium-containing refining agents, the sodium-free refining agent effectively solves the problem of antimony modification and phosphor modification influence caused by more or less sodium salt contained in the existing refining agent and overcomes the defects of alloy casting performance influence, melt flowability reduction and sodium brittleness possibly caused by the sodium element in aluminum-magnesium system alloy with the magnesium content being higher than 2 percent. A better use effect can be obtained in the antimony modification and phosphor modification alloys and high-magnesium-aluminum alloy. The invention belongs to the qualitative improvement on the prior art.
Description
Technical field
The present invention relates to a kind of aluminium and aluminium alloy smelting and use without the sodium refining agent, the invention still further relates to the production method of this kind refining agent.
Background technology
Aluminium and aluminium alloy be melting under non-vacuum condition generally, and low-alloyed mechanical property falls in absorbing environmental gas and chemical reaction occurs form and be mingled with very easily greatly in this process.If will be without the aluminium liquid direct production foundry goods of purifying treatment, then in process of setting in the aluminium liquid dissolved gases float along with the reduction of solubleness, the in addition inner oxide inclusion that exists of foundry goods, make foundry goods the casting flaws such as pore, crackle occur, have a strong impact on casting quality, even make product rejection.Therefore, must carry out purifying treatment to aluminium and aluminium alloy melt, to remove gas, metal oxide, non-metallic inclusion and other harmful element wherein, purify alloy melt, thereby put forward heavy alloyed quality.
Aluminium and purifying aluminium alloy melt method have filtration, purification, non-adsorption cleaning and adsorption cleaning three major types.Filtration, purification is to utilize strainer to filter, but treatment capacity is little, needs the periodic replacement filtration medium, and running cost is higher, except specific alloy, uses less in the actual production.Non-adsorption cleaning mainly contains vacuum purification method, ultrasonic purification method and electromagnetic purification method etc., but facility investment is large, and running cost is high, also is only suitable in specific alloy production.Adsorption cleaning mainly contains blowing inert gas, reactive gas winding-up, mixed gas winding-up, the refining agent method of purification etc., wherein the refining agent method of purification is owing to having easy handling, cheap, the advantage such as decontamination effect improving is better is widely applied in actual production.
At present, disclosed refining agent product generally all contains one or more in the sodium salts such as sodium-chlor, sodium fluoroaluminate, Sodium Silicofluoride, Sodium Fluoride.Announced a kind of aluminum-silicon alloy refining agent such as Chinese invention patent CN101343699A, it mainly is comprised of Repone K, sodium-chlor, zinc chloride, sodium fluoroaluminate, Sodium Silicofluoride, SODIUMNITRATE, Graphite Powder 99, wood charcoal powder, hexachloroethane, Sodium tetrafluoroborate, potassium fluotitanate, is applicable to the casting of aluminum silicon alloy; Chinese invention patent CN101423910A has announced a kind of aluminium and low magnalium refining agent, and it mainly is comprised of sodium-chlor, sodium sulfate, Calcium Fluoride (Fluorspan), Repone K, magnesium chloride, Sodium Silicofluoride, is applicable to aluminium and Mg content less than the refining of 2% aluminium alloy; Chinese invention patent CN101967565A has announced a kind of aluminium and aluminium alloy refining agent, it mainly is comprised of sodium-chlor, Sodium Silicofluoride, sodium sulfate, Calcium Fluoride (Fluorspan), hexachloroethane, this refining agent can also comprise one or more in magnesium calcium carbonate, sodium fluoroaluminate, Sulfothiorine, the Sodium Fluoride, this refining agent does not contain sylvite, corrosion to electrolyzer is little, can realize back that with the aluminium ash that produces behind this refining agent refined aluminum and the aluminium alloy electrolyzer re-uses.Above refining agent can reach preferably refining effect in its scope of application.But the defective of prior art is: because existing refining agent all contains sodium salt more or less, add and can generate the sodium element of free state with reactive aluminum in the aluminium liquid and dissolve in the molten aluminium.Sodium element can generate Na with antimony
3The Sb compound can generate Na with phosphorus
3P-compound has been deprived AlSb, the AlP effect as heterogeneous forming core core, thereby affects the effect of antimony metamorphic, phosphorus modification.In addition, sodium element not only can cause " sodium fragility " at Mg content in greater than 2% aluminum-magnesium series alloy, and reduces fluidity of molten, affects the castability of alloy.Sodium Silicofluoride also can generate the silicon tetrafluoride with intense stimulus smell with reactive aluminum, and exhaust gas volumn is large, worsens working conditions, contaminate environment.But owing to receiving the constraint that vital role that salt risen and existing refining agent be subjected to traditional prescription theory in refining agent, make a general survey of prior art, also find no the refining agent appearance that does not contain sodium element.
Summary of the invention
The objective of the invention is to contain the deficiency that the sodium refining agent affects aluminium alloy antimony metamorphic, phosphorus modification effect and high-magnesium aluminum alloy quality for prior art, provide a kind of aluminium and aluminium alloy to use without the sodium refining agent.
Another object of the present invention provides the production method of this refining agent.
The present invention is realized by following technical scheme, aluminium and aluminium alloy are used without the sodium refining agent, be comprised of potassium fluoroaluminate, Calcium Fluoride (Fluorspan), salt of wormwood, vitriolate of tartar, barium sulfate, Repone K, Aluminum chloride anhydrous, said components content by mass percentage is: potassium fluoroaluminate 15-25%, Calcium Fluoride (Fluorspan) 5-15%, salt of wormwood 10-25%, vitriolate of tartar 10-25%, barium sulfate 5-15%, Repone K 15-30%, Aluminum chloride anhydrous 3-5%.
Aluminium and aluminium alloy are used without the sodium refining agent, and optimum content by mass percentage is: potassium fluoroaluminate 20%, Calcium Fluoride (Fluorspan) 10%, salt of wormwood 16%, vitriolate of tartar 20%, barium sulfate 10%, Repone K 20%, Aluminum chloride anhydrous 4%.
Aluminium and aluminium alloy are used without sodium refining agent production method, follow these steps to carry out:
A, the material of will filling a prescription sieve respectively, choose the part of granularity between the 30-150 order;
B, will through the screening material prepare burden according to formula rate;
C, material is dropped into mixer mix, when being mixed to about 10 minutes, the material in the mixer being emitted approximately 1/3rd again add mixer from opening for feed, and then mixed 10-15 minute, guarantee that material fully mixes;
D, the refining agent of making is carried out moisture and granularity Detection, detect and be packaged into finished product after qualified.
Above starting material all adopt technical grade product, purity 〉=98%, and moisture≤0.2%, granularity is between the 30-150 order.
Formulating of recipe of the present invention is reasonable, and production method is simply easy to implement, has broken the theory circle that existing refining agent technology has to use sodium salt.Facts have proved, because the present invention's prescription does not contain sodium salt, degasification, slagging-off better effects if not only can be used for the refining of conventional aluminium and aluminium alloy, more are applicable to the refining purifying treatment of antimony metamorphic, phosphorus modification and high magnesium alloy.After testing, that adopts that the present invention produces can be widely used in the refining treatment of aluminium and aluminium alloy without the sodium refining agent, effectively purifies melt, and exhaust gas volumn is less simultaneously, effectively improves operating environment.Aluminium liquid inner air vent and oxide inclusion content after the processing significantly reduce, and pinhole rate can reach the 1-2 grade standard, adopt the K mould to detect aluminium liquid purity more than the A level reaches.Because the present invention does not contain sodium salt, with contain the sodium refining agent and compare, efficiently solve existing refining agent owing to the sodium salt that contains more or less, affecting the defective of antimony metamorphic, phosphorus modification and sodium element can cause " sodium fragility ", reduces fluidity of molten, affect the deficiency of the castability of alloy greater than 2% aluminum-magnesium series alloy at Mg content, can obtain better result of use in antimony metamorphic, phosphorus modification aluminium alloy and high-magnesium aluminum alloy, be the improvement to a matter of prior art.
Embodiment
Embodiment 1:
Potassium fluoroaluminate 22%, Calcium Fluoride (Fluorspan) 5%, salt of wormwood 25%, vitriolate of tartar 25%, barium sulfate 5%, Repone K 15%, Aluminum chloride anhydrous 3%.The above material particle size of strict control is between the 30-150 order, and moisture is no more than 0.2%, then sieves first and drying and processing as not satisfying.To drop into screw type blender mixer after the above mixing of materials, batch mixing is emitted approximately 1/3rd and is again added mixer from charging opening about 10 minutes, and then mixes 10-15 minute.The refining agent of making carries out granularity and water content detection, detects and packs according to 2Kg/ bag or 2.5Kg/ bag standard after qualified.
Embodiment 2:
Potassium fluoroaluminate 15%, Calcium Fluoride (Fluorspan) 10%, salt of wormwood 13%, vitriolate of tartar 18%, barium sulfate 10%, Repone K 30%, Aluminum chloride anhydrous 4%.The above material particle size of strict control is between the 30-150 order, and moisture is no more than 0.2%, then sieves first and drying and processing as not satisfying.To drop into screw type blender mixer after the above mixing of materials, batch mixing is emitted approximately 1/3rd and is again added mixer from charging opening about 10 minutes, and then mixes 10-15 minute.The refining agent of making carries out granularity and water content detection, detects and packs according to 2Kg/ bag or 2.5Kg/ bag standard after qualified.
Embodiment 3:
Potassium fluoroaluminate 25%, Calcium Fluoride (Fluorspan) 10%, salt of wormwood 10%, vitriolate of tartar 18%, barium sulfate 10%, Repone K 22%, Aluminum chloride anhydrous 5%.The above material particle size of strict control is between the 30-150 order, and moisture is no more than 0.2%, then sieves first and drying and processing as not satisfying.To drop into screw type blender mixer after the above mixing of materials, batch mixing is emitted approximately 1/3rd and is again added mixer from charging opening about 10 minutes, and then mixes 10-15 minute.The refining agent of making carries out granularity and water content detection, detects and packs according to 2Kg/ bag or 2.5Kg/ bag standard after qualified.
Embodiment 4:
Potassium fluoroaluminate 18%, Calcium Fluoride (Fluorspan) 10%, salt of wormwood 16%, vitriolate of tartar 20%, barium sulfate 10%, Repone K 21%, Aluminum chloride anhydrous 5%.The above material particle size of strict control is between the 30-150 order, and moisture is no more than 0.2%, then sieves first and drying and processing as not satisfying.To drop into screw type blender mixer after the above mixing of materials, batch mixing is emitted approximately 1/3rd and is again added mixer from charging opening about 10 minutes, and then mixes 10-15 minute.The refining agent of making carries out granularity and water content detection, detects and packs according to 2Kg/ bag or 2.5Kg/ bag standard after qualified.
Embodiment 5:
Potassium fluoroaluminate 15%, Calcium Fluoride (Fluorspan) 15%, salt of wormwood 25%, vitriolate of tartar 10%, barium sulfate 15%, Repone K 16%, Aluminum chloride anhydrous 4%.The above material particle size of strict control is between the 30-150 order, and moisture is no more than 0.2%, then sieves first and drying and processing as not satisfying.To drop into screw type blender mixer after the above mixing of materials, batch mixing is emitted approximately 1/3rd and is again added mixer from charging opening about 10 minutes, and then mixes 10-15 minute.The refining agent of making carries out granularity and water content detection, detects and packs according to 2Kg/ bag or 2.5Kg/ bag standard after qualified.
Claims (2)
1. aluminium and aluminium alloy are used without the sodium refining agent, it is characterized in that, be comprised of potassium fluoroaluminate, Calcium Fluoride (Fluorspan), salt of wormwood, vitriolate of tartar, barium sulfate, Repone K, Aluminum chloride anhydrous, said components content by mass percentage is: potassium fluoroaluminate 15-25%, Calcium Fluoride (Fluorspan) 5-15%, salt of wormwood 10-25%, vitriolate of tartar 10-25%, barium sulfate 5-15%, Repone K 15-30%, the plumbous 3-5% of anhydrous chlorides of rase.
2. aluminium according to claim 1 and aluminium alloy are used without the sodium refining agent, it is characterized in that, optimum content by mass percentage is: potassium fluoroaluminate 20%, Calcium Fluoride (Fluorspan) 10%, salt of wormwood 16%, vitriolate of tartar 20%, barium sulfate 10%, Repone K 20%, Aluminum chloride anhydrous 4%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110240985 CN102286667B (en) | 2011-08-20 | 2011-08-20 | Sodium-free refining agent for aluminum and aluminum alloy and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110240985 CN102286667B (en) | 2011-08-20 | 2011-08-20 | Sodium-free refining agent for aluminum and aluminum alloy and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102286667A CN102286667A (en) | 2011-12-21 |
| CN102286667B true CN102286667B (en) | 2013-10-23 |
Family
ID=45333421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110240985 Active CN102286667B (en) | 2011-08-20 | 2011-08-20 | Sodium-free refining agent for aluminum and aluminum alloy and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102286667B (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644002B (en) * | 2012-05-16 | 2013-09-04 | 山东滨州渤海活塞股份有限公司 | Aluminium alloy solution refined chlorine-free slag remover |
| CN102925732B (en) * | 2012-09-26 | 2014-05-07 | 霍山县龙鑫金属制品有限公司 | Method for smelting aluminium alloy doped with magnesium element |
| CN102912166B (en) * | 2012-10-31 | 2013-09-18 | 济南山大有色金属铸造有限公司 | Aluminum alloy sodium-free refining agent and method for producing same |
| CN103031454B (en) * | 2012-12-05 | 2015-06-03 | 安徽徽铝铝业有限公司 | Preparation method of refining agent for smelting aluminum alloy |
| CN103014396B (en) * | 2012-12-05 | 2015-03-04 | 安徽徽铝铝业有限公司 | Preparation method of refining agent used for smelting aluminium alloy sections |
| CN103088226B (en) * | 2012-12-05 | 2015-11-25 | 安徽徽铝铝业有限公司 | A kind of refining agent for smelting preparation method of the aluminium alloy extrusions doped with plant ash |
| CN104278168A (en) * | 2014-10-31 | 2015-01-14 | 湖州织里天荣铝材添加剂厂 | Aluminum alloy sodium-free refining agent and preparation process thereof |
| CN105369044B (en) * | 2015-10-21 | 2018-06-12 | 广西平果铝合金精密铸件有限公司 | A kind of aluminium alloy sodium-free refining agent of the erbium of lanthanum containing cerium |
| CN106811614B (en) * | 2015-11-27 | 2019-02-26 | 比亚迪股份有限公司 | A kind of die casting silico-aluminum of the preparation method and preparation of silico-aluminum refining deterioration agent and preparation method thereof and die casting silico-aluminum |
| CN105821228A (en) * | 2016-05-03 | 2016-08-03 | 贵州航天风华精密设备有限公司 | Aluminum alloy sodium-free refining agent and application thereof |
| CN108130439A (en) * | 2016-12-01 | 2018-06-08 | 铜山县超特有色金属添加剂厂 | One kind is smokelessly without sodium slag-cleaning agent and preparation method thereof |
| CN110042276A (en) * | 2019-04-24 | 2019-07-23 | 安徽省金兰金盈铝业有限公司 | A kind of processing technology of traffic lightweight Al-alloy material |
| CN110184485A (en) * | 2019-06-05 | 2019-08-30 | 福建船政交通职业学院 | 3003 aluminum alloy plate materials of one kind and its pre-treating technology |
| CN111575519B (en) * | 2020-05-15 | 2021-08-20 | 包头铝业有限公司 | Environment-friendly chlorine salt double-complex aluminum alloy refining agent and preparation method thereof |
| CN112281007B (en) * | 2020-09-25 | 2022-03-08 | 广州致远新材料科技有限公司 | Preparation method for improving beryllium recovery rate in aluminum-magnesium aluminum alloy smelting |
| CN114293055A (en) * | 2021-12-30 | 2022-04-08 | 立中四通轻合金集团股份有限公司 | Fluorine-free low-hygroscopicity manganese element additive |
| CN115747554B (en) * | 2022-11-10 | 2023-10-03 | 郑州经纬科技实业有限公司 | Environment-friendly aluminum alloy refining agent and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4861370A (en) * | 1988-04-13 | 1989-08-29 | Ashland Oil, Inc. | Process for treating molten aluminum alloy with powdered flux |
| CN1073486A (en) * | 1991-12-16 | 1993-06-23 | 东北工学院 | The aluminum or aluminum alloy slag remover for refining |
| CN1132257A (en) * | 1995-03-28 | 1996-10-02 | 张鑫珩 | Modified compounded molten solvent for refined Al-Al alloy |
| CN1394975A (en) * | 2002-06-28 | 2003-02-05 | 山东大学 | Special degasifier for cleaning aluminium alloy and its application method |
| CN101942579A (en) * | 2010-10-14 | 2011-01-12 | 宁波翔博机械有限公司 | Additive for aluminum alloy fusant and addition method thereof |
-
2011
- 2011-08-20 CN CN 201110240985 patent/CN102286667B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4861370A (en) * | 1988-04-13 | 1989-08-29 | Ashland Oil, Inc. | Process for treating molten aluminum alloy with powdered flux |
| CN1073486A (en) * | 1991-12-16 | 1993-06-23 | 东北工学院 | The aluminum or aluminum alloy slag remover for refining |
| CN1132257A (en) * | 1995-03-28 | 1996-10-02 | 张鑫珩 | Modified compounded molten solvent for refined Al-Al alloy |
| CN1394975A (en) * | 2002-06-28 | 2003-02-05 | 山东大学 | Special degasifier for cleaning aluminium alloy and its application method |
| CN101942579A (en) * | 2010-10-14 | 2011-01-12 | 宁波翔博机械有限公司 | Additive for aluminum alloy fusant and addition method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102286667A (en) | 2011-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102286667B (en) | Sodium-free refining agent for aluminum and aluminum alloy and production method thereof | |
| CN102041396B (en) | Preparation method of scouring agent for aluminum and aluminum alloy | |
| CN102226239B (en) | Refining flux used for purifying and processing aluminum or aluminum alloy melt, and preparation method thereof | |
| CN101967565B (en) | Refining agent for aluminum and aluminum alloy | |
| CN109306412B (en) | Refining agent for aluminum and aluminum alloy and preparation method thereof | |
| CN103088232A (en) | Flux used in aluminum and alloy melt processing, and preparation method thereof | |
| CN104328299A (en) | Flux for aluminum and aluminum alloy melt refining and preparation method of flux | |
| CN109536765B (en) | Granular flux for aluminum alloy processing and preparation method thereof | |
| CN103173642A (en) | Refining agent for aluminum alloy in smelting process for automobile hub | |
| CN106498216B (en) | A kind of preparation method of villaumite fusion refining agent | |
| CN105369045B (en) | A kind of aluminium alloy sodium-free refining agent containing rare earth | |
| CN105821228A (en) | Aluminum alloy sodium-free refining agent and application thereof | |
| CN105624448A (en) | Rare earth contained deslagging and refining flux for smelting of cast aluminium alloy and preparation method of flux | |
| CN107557604A (en) | Aluminum refining agent and preparation method thereof | |
| CN105385872B (en) | A kind of aluminium alloy sodium-free refining agent | |
| CN102021350B (en) | Aluminum de-cinder flux as well as preparation method and application thereof | |
| CN103266237A (en) | Deslagging smelting flux for smelting casting zinc alloy and preparation method thereof | |
| CN1195087C (en) | Magnesium alloy boride iron illiminating flux and its production method | |
| CN101555554A (en) | Copper smelting agent and manufacture process thereof | |
| CN101774013A (en) | Composite grain finer for Mg-Al alloy and preparation method thereof | |
| CN105369044B (en) | A kind of aluminium alloy sodium-free refining agent of the erbium of lanthanum containing cerium | |
| CN107130129B (en) | A kind of composite refiner of aluminium alloy and preparation method thereof | |
| CN105177311A (en) | Sodium-chloride-salt-containing fusion used for aluminum melt treatment and production method of sodium-chloride-salt-containing fusion | |
| CN105316511B (en) | A kind of aluminum refining agent and preparation method thereof | |
| CN106702175A (en) | Composite refining agent of scrap copper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 071000 No. 359, Fazhan West Street, Qingyuan District, Baoding City, Hebei Province Patentee after: Lizhong Sitong light alloy Group Co.,Ltd. Address before: 071105 Wang Ting Xiang Dong an Cun, Qingyuan County, Baoding City, Hebei Province Patentee before: HEBEI SITONG NEW METAL MATERIAL Co.,Ltd. |
|
| CP03 | Change of name, title or address |