CN107557603A - A kind of preparation method of alloying element additive for aluminium alloy production - Google Patents
A kind of preparation method of alloying element additive for aluminium alloy production Download PDFInfo
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- CN107557603A CN107557603A CN201710874341.5A CN201710874341A CN107557603A CN 107557603 A CN107557603 A CN 107557603A CN 201710874341 A CN201710874341 A CN 201710874341A CN 107557603 A CN107557603 A CN 107557603A
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Abstract
The present invention relates to a kind of preparation method of the alloying element additive for aluminium alloy production, the alloying element additive is made up of the component of following parts by weight：70-90 parts of Mn Fe alloying element powders, MgCl25-10 parts of 5-20 parts of base fusion powder and cyanoacrylate polyethylene glycol binding agent.The advantage of the invention is that：The present invention is used for the preparation method of the alloying element additive of aluminium alloy production, makees fluxing agent with MgCl2 base fusions, fluxing effect is not only served to alloying element powder, the effect of refining is also served to aluminium water, is truly realized one multi-purpose；A large amount of black smokes are produced in addition, traditional alloying elements additive contains villiaumite, during use, pollute environment, the present invention not fluorine-containing salts, black smoke is not produced during use, improves environment.The present invention is free of toxicant, safety and environmental protection.
Description
Technical field
The invention belongs to aluminium alloy production technical field, more particularly to a kind of alloying element addition for aluminium alloy production
The preparation method of agent.
Background technology
In the production process of aluminium alloy, generally require to add the various alloying elements such as manganese, iron, silicon, magnesium, copper.These are closed
The addition of gold element is mainly carried out by intermediate alloy or alloying element additive.So-called alloying element additive is exactly to close
The block being pressed into after gold element powder and the mixing of other fluxing agents.
Since alloying element additive comes out, the welcome energetically of founding industrial quarters has been obtained.This additive user
Just, it is easy to put into smelting furnace, it is not necessary to special equipment.Additive block has sizable proportion, puts into metal
Sink naturally after in solution, avoid that powder is scattered to float over molten surface.Alloying element content is very high in alloy addition, can save
Very big accumulating spending, so alloy addition has higher cost advantage.Alloying element additive is by metal dust, fluxing
Agent and binding agent composition.The content of metal dust is generally 70% to 85%, and the content of fluxing agent is 15% to 30%, and binding agent only needs
Minimal amount, 0.5-2.0%.Process is by after each component powder uniformly mixing, is pressed into pie under high pressure.The size of block
Can be by 50 grams to 2000 grams.
Fluxing agent is mainly villiaumite（Such as potassium fluoroaluminate）Or villiaumite and villaumite（Such as KCl）Mixture.Potassium fluoroaluminate and KCl
Mixture be a kind of conventional fluxing agent, some can also add some exothermic mixtures.This alloying element powder-fluxing agent composition
Additive although have preferable burn-off rate, but these salt fluxing agents are not necessary additives in alloying process, most
Become waste residue eventually and claw, make the increase of alloying cost.Saline flux often has moisture absorption tendency, also easily mixes various impurity.
Bring impurity into melt so additive of the addition containing flux has, increase the risk of melt air content.Add scarfing cinder amount, expend
The energy, increase the management costs such as accumulating.A large amount of smog are produced during villiaumite flux melts, environment is influenceed, also influences operative employee
The health of people.
In the fusion process of aluminium and its alloy, melt quality and environmental problem are the important issues of aluminum i ndustry.These are all
There is substantial connection with the handling process of melt and used material.Often inevitably containing higher sodium, calcium in aluminium ingot
With the alkali metal impurity such as lithium.Inside plants go back feed back and aluminium waste is generally mixed with nonmetallic inclusion, organic material and steam.This
The a little castings and follow-up manufacturing procedure of alkali metal, nonmetallic slag inclusion and steam to aluminium and its alloy can cause serious quality to ask
Topic.So before casting, it is necessary to refining treatment is carried out to aluminium water using refining agent.
MgC12 and KCl fusion（Abbreviation MgCl2 base fusions）With very low fusing point, and there is extraordinary essence
Refine effect, especially except alkali metal and dehydrogenation, prepurging etc. it is particularly outstanding.Substitute existing alloy member with MgCl2 bases fusion
Villiaumite and villaumite fluxing agent in plain additive, form a kind of new alloying element additive with refining function.Novel alloy
Element additive both has the function that alloying, has refining effect again, has important actual production meaning.Low melting point is low
MgCl2 base fusions be added in aluminium water and melt rapidly so that the rapid loose crushing of additive block, accelerates alloy
The fusing of element.Alloying element has heavy feature.Alloying element and MgCl2 bases fusion are combined, are added to aluminium water
In after can sink to furnace bottom rapidly, so as to bring MgCl2 base fusions into furnace bottom.After the fusing of MgCl2 bases fusion, conjunction is broken away from
Gold element powder floats.During floating, with aluminium water alkali metal react, with oxide be mingled with hydrogen haptoreaction,
The purpose to be cleaned except alkali metal and dehydrogenation is reached.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of preparation of the alloying element additive for aluminium alloy production
Method, the alloying element added can quickly melt, be fully absorbed by melt, while have excellent refining function again, reach
The effect of refining aluminium melt.
In order to solve the above technical problems, the technical scheme is that：A kind of alloying element for aluminium alloy production adds
Add the preparation method of agent, its innovative point is：The alloying element additive is made up of the component of following parts by weight：Mn-Fe
70-90 parts of alloying element powder, MgCl25-20 parts of base fusion powder and cyanoacrylate-polyethylene glycol binding agent
5-10 parts；The preparation method comprises the following steps：
（1）Powder is made in required Mn-Fe alloying elements, powder size is less than 1.0 millimeters；
（2）Prepare MgCl2 base fusion powder:By MgCl2-KCl either MgCl2-NaCl or MgCl2-KCl-NaCl, press
Certain proportioning mixing, is well mixed after heating fusing, then makes its cooling solidification, is crushed and is ground into powder after solidification,
Powder size is less than 1.0 millimeters；
（3）Mn-Fe alloying element powders, MgCl2Base fusion powder and cyanoacrylate-polyethylene glycol binding agent are by above-mentioned
Proportioning uniformly mixing；
（4）Uniform mixed powder is pressed into the block of specified weight with forcing press.
Further, the alloying element additive is made up of the component of following parts by weight：Mn-Fe alloying element powders
80 parts, MgCl212.5 parts of base fusion powder and cyanoacrylate -7.5 parts of polyethylene glycol binding agent.
The advantage of the invention is that：The present invention is used for the preparation method of the alloying element additive of aluminium alloy production, uses
MgCl2 base fusions make fluxing agent, and fluxing effect is not only served to alloying element powder, also serve refining to aluminium water
Effect, be truly realized one multi-purpose；A large amount of black smokes are produced in addition, traditional alloying elements additive contains villiaumite, during use,
Pollute environment, the present invention not fluorine-containing salts, do not produce black smoke during use, improve environment.The present invention is free of toxicant, pacifies
Loopful is protected.
Embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among described scope of embodiments.
Embodiment 1
The present embodiment be used for aluminium alloy production alloying element additive preparation method, the alloying element additive be by with
The component composition of lower parts by weight：70 parts of Mn-Fe alloying element powders, MgCl220 parts of base fusion powder and alpha-cyanoacrylate
Ester -10 parts of polyethylene glycol binding agent；The preparation method comprises the following steps：
（1）Powder is made in required Mn-Fe alloying elements, powder size is less than 1.0 millimeters；
（2）Prepare MgCl2 base fusion powder:By MgCl2-KCl either MgCl2-NaCl or MgCl2-KCl-NaCl, press
Certain proportioning mixing, is well mixed after heating fusing, then makes its cooling solidification, is crushed and is ground into powder after solidification,
Powder size is less than 1.0 millimeters；
（3）Mn-Fe alloying element powders, MgCl2Base fusion powder and cyanoacrylate-polyethylene glycol binding agent are by above-mentioned
Proportioning uniformly mixing；
（4）Uniform mixed powder is pressed into the block of specified weight with forcing press.
Embodiment 2
The present embodiment be used for aluminium alloy production alloying element additive preparation method, the alloying element additive be by with
The component composition of lower parts by weight：90 parts of Mn-Fe alloying element powders, MgCl25 parts of base fusion powder and cyanoacrylate-
5 parts of polyethylene glycol binding agent；The preparation method comprises the following steps：
（1）Powder is made in required Mn-Fe alloying elements, powder size is less than 1.0 millimeters；
（2）Prepare MgCl2 base fusion powder:By MgCl2-KCl either MgCl2-NaCl or MgCl2-KCl-NaCl, press
Certain proportioning mixing, is well mixed after heating fusing, then makes its cooling solidification, is crushed and is ground into powder after solidification,
Powder size is less than 1.0 millimeters；
（3）Mn-Fe alloying element powders, MgCl2Base fusion powder and cyanoacrylate-polyethylene glycol binding agent are by above-mentioned
Proportioning uniformly mixing；
（4）Uniform mixed powder is pressed into the block of specified weight with forcing press.
Embodiment 3
The present embodiment be used for aluminium alloy production alloying element additive preparation method, the alloying element additive be by with
The component composition of lower parts by weight：80 parts of Mn-Fe alloying element powders, MgCl212.5 parts of base fusion powder and alpha-cyanoacrylate
Ester -7.5 parts of polyethylene glycol binding agent；The preparation method comprises the following steps：
（1）Powder is made in required Mn-Fe alloying elements, powder size is less than 1.0 millimeters；
（2）Prepare MgCl2 base fusion powder:By MgCl2-KCl either MgCl2-NaCl or MgCl2-KCl-NaCl, press
Certain proportioning mixing, is well mixed after heating fusing, then makes its cooling solidification, is crushed and is ground into powder after solidification,
Powder size is less than 1.0 millimeters；
（3）Mn-Fe alloying element powders, MgCl2Base fusion powder and cyanoacrylate-polyethylene glycol binding agent are by above-mentioned
Proportioning uniformly mixing；
（4）Uniform mixed powder is pressed into the block of specified weight with forcing press.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The skill of the industry
For art personnel it should be appreciated that the present invention is not limited to the above embodiments, described in above-described embodiment and specification is explanation
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (2)
- A kind of 1. preparation method of alloying element additive for aluminium alloy production, it is characterised in that：The alloying element adds Agent is added to be made up of the component of following parts by weight：70-90 parts of Mn-Fe alloying element powders, MgCl2Base fusion powder 5- 20 parts and cyanoacrylate-5-10 parts of polyethylene glycol binding agent；The preparation method comprises the following steps：（1）Powder is made in required Mn-Fe alloying elements, powder size is less than 1.0 millimeters；（2）Prepare MgCl2 base fusion powder:By MgCl2-KCl either MgCl2-NaCl or MgCl2-KCl-NaCl, press Certain proportioning mixing, is well mixed after heating fusing, then makes its cooling solidification, is crushed and is ground into powder after solidification, Powder size is less than 1.0 millimeters；（3）Mn-Fe alloying element powders, MgCl2Base fusion powder and cyanoacrylate-polyethylene glycol binding agent are by above-mentioned Proportioning uniformly mixing；（4）Uniform mixed powder is pressed into the block of specified weight with forcing press.
- 2. the preparation method of the alloying element additive according to claim 1 for aluminium alloy production, it is characterised in that： The alloying element additive is made up of the component of following parts by weight：80 parts of Mn-Fe alloying element powders, MgCl2Base fuses 12.5 parts of thing powder and cyanoacrylate -7.5 parts of polyethylene glycol binding agent.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218886A (en) * | 2019-06-27 | 2019-09-10 | 河北四通新型金属材料股份有限公司 | A kind of aluminium alloy copper additive and its production method |
| CN111057894A (en) * | 2020-01-07 | 2020-04-24 | 昆明冶金研究院有限公司 | Novel metal composite additive for aluminum alloy smelting and preparation method thereof |
-
2017
- 2017-09-25 CN CN201710874341.5A patent/CN107557603A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218886A (en) * | 2019-06-27 | 2019-09-10 | 河北四通新型金属材料股份有限公司 | A kind of aluminium alloy copper additive and its production method |
| CN111057894A (en) * | 2020-01-07 | 2020-04-24 | 昆明冶金研究院有限公司 | Novel metal composite additive for aluminum alloy smelting and preparation method thereof |
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