CN107574327A - A kind of refining agent for smelting of aluminium alloy extrusions and preparation method thereof - Google Patents

A kind of refining agent for smelting of aluminium alloy extrusions and preparation method thereof Download PDF

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Publication number
CN107574327A
CN107574327A CN201710999394.XA CN201710999394A CN107574327A CN 107574327 A CN107574327 A CN 107574327A CN 201710999394 A CN201710999394 A CN 201710999394A CN 107574327 A CN107574327 A CN 107574327A
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parts
refining agent
preparation
chloride
aluminium alloy
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CN201710999394.XA
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Chinese (zh)
Inventor
魏道金
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Xuzhou Xuanyuan Aluminum Co Ltd
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Xuzhou Xuanyuan Aluminum Co Ltd
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Priority to CN201710999394.XA priority Critical patent/CN107574327A/en
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Abstract

The invention discloses a kind of refining agent for smelting of aluminium alloy extrusions and preparation method thereof, it is characterised in that is formulated by the raw material of following parts by weight:16 20 parts of lithium chloride, 12 16 parts of calcirm-fluoride, 48 parts of sodium nitrate, 8 10 parts of potassium chloride, 68 parts of magnesium chloride, 68 parts of lithium chloride, 10 12 parts of cryolite, 12 16 parts of marble powder, modified 46 parts of plant ash.Preparation method is as follows:A, each component of formula ratio is well mixed, be sufficiently stirred, carry out pulverization process, crushing can pass through 60 80 mesh;B, mixture obtained by a is put into heating fusing in crucible and removes the crystallization water, heating-up temperature is 90 100 DEG C, and the heat time is 1.5 2 hours, then carries out insulation 40 60 minutes;C, b products therefroms are subjected to cooling processing, are cooled to 35 45 DEG C, obtained particulate mixtures are refining agent.Refining agent for smelting of aluminium alloy extrusions provided by the invention and preparation method thereof has the characteristics of dosage is few, removal of impurities degassing effect is good, and cost is low, post-processes the advantages that simple.

Description

A kind of refining agent for smelting of aluminium alloy extrusions and preparation method thereof
Technical field
The present invention relates to a kind of refining agent for smelting of aluminium alloy extrusions and preparation method thereof, belongs to aluminium alloy smelting processing Field.
Background technology
Aluminium alloy is most widely used a kind of non-ferrous metal structural material in industry, in Aeronautics and Astronautics, automobile, machinery Widely applied in manufacture, ship and chemical industry.During production, the hydrogen atom in solution can spontaneously form aluminium alloy Hydrogen, hydrogen and field trash form bubble during aluminium alloy solution solidifies so that aluminium alloy element produces defect.Tradition Aluminium alloy manufacturing process used in refining agent, electric conductivity, the thermal conductivity of aluminium alloy finished product can be influenceed to a certain extent And corrosion resistance, the degree of porosity in the alloy-steel casting produced is higher, can produce stomata more than the cast(ing) surface, aoxidize debris Ratio it is also higher, also have impact on the performance of alloy-steel casting to a certain extent.
The content of the invention
The present invention to solve the above problems, provide a kind of refining agent for smelting of aluminium alloy extrusions and preparation method thereof, The refining agent is formulated by the raw material of following parts by weight:Lithium chloride 16-20 parts, calcirm-fluoride 12-16 parts, sodium nitrate 4-8 parts, chlorine Change potassium 8-10 parts, magnesium chloride 6-8 parts, lithium chloride 6-8 parts, cryolite 10-12 parts, marble powder 12-16 parts, modified plant ash 4-6 parts.
Preparation method is as follows:A, each component of formula ratio is well mixed, be sufficiently stirred, carry out pulverization process, crushing can Pass through 60-80 mesh;B, mixture obtained by a is put into heating in crucible and removes the crystallization water, heating-up temperature is 90-100 DEG C, during heating Between be 1.5-2 hours, then carry out be incubated 40-60 minutes;C, b products therefroms are subjected to cooling processing, are cooled to 35-45 DEG C, Obtained particulate mixtures are refining agent.
Further, described refining agent is formulated by the raw material of following mass fraction:16 parts of lithium chloride, calcirm-fluoride 12 Part, 4 parts of sodium nitrate, 8 parts of potassium chloride, 6 parts of magnesium chloride, 6 parts of lithium chloride, 10 parts of cryolite, 12 parts of marble powder, modified vegetation 4 parts of ash.
Further, described refining agent is formulated by the raw material of following mass fraction:20 parts of lithium chloride, calcirm-fluoride 16 Part, 8 parts of sodium nitrate, 10 parts of potassium chloride, 8 parts of magnesium chloride, 8 parts of lithium chloride, 12 parts of cryolite, -16 parts of marble, modified vegetation 6 parts of ash.
Further, described refining agent is formulated by the raw material of following mass fraction:18 parts of lithium chloride, calcirm-fluoride 14 Part, 6 parts of sodium nitrate, 9 parts of potassium chloride, 7 parts of magnesium chloride, 7 parts of lithium chloride, 11 parts of cryolite, 14 parts of marble powder, modified vegetation 5 parts of ash.
The beneficial effects of the invention are as follows:Refining agent for smelting of aluminium alloy extrusions provided by the invention and preparation method thereof has The characteristics of dosage is few, removal of impurities degassing effect is good, cost is low, post-processes the advantages that simple.
Embodiment
Embodiment 1
A kind of refining agent for smelting of aluminium alloy extrusions and preparation method thereof, the refining agent by following mass fraction raw material It is formulated:16 parts of lithium chloride, 12 parts of calcirm-fluoride, 4 parts of sodium nitrate, 8 parts of potassium chloride, 6 parts of magnesium chloride, 6 parts of lithium chloride, fluoaluminic acid 10 parts of sodium, 12 parts of marble powder, modified 4 parts of plant ash.
Preparation method is as follows:A, each component of formula ratio is well mixed, be sufficiently stirred, carry out pulverization process, crushing can Pass through 60 mesh;B, mixture obtained by a is put into heating fusing in crucible and removes the crystallization water, heating-up temperature is 90 DEG C, the heat time For 1.5 hours, insulation 40 minutes is then carried out;C, b products therefroms are subjected to cooling processing, are cooled to 35 DEG C, what is obtained is granular Mixture is refining agent.
Embodiment 2
A kind of refining agent for smelting of aluminium alloy extrusions and preparation method thereof, the refining agent by following mass fraction raw material It is formulated:20 parts of lithium chloride, 16 parts of calcirm-fluoride, 8 parts of sodium nitrate, 10 parts of potassium chloride, 8 parts of magnesium chloride, 8 parts of lithium chloride, fluorine aluminium Sour 12 parts of sodium, -16 parts of marble, modified 6 parts of plant ash.
Preparation method is as follows:A, each component of formula ratio is well mixed, be sufficiently stirred, carry out pulverization process, crushing can Pass through 80 mesh;B, mixture obtained by a is put into heating fusing in crucible and removes the crystallization water, heating-up temperature is 100 DEG C, the heat time For 2 hours, insulation 60 minutes is then carried out;C, b products therefroms are subjected to cooling processing, are cooled to 45 DEG C, what is obtained is granular mixed Compound is refining agent.
Embodiment 3
A kind of refining agent for smelting of aluminium alloy extrusions and preparation method thereof, the refining agent by following mass fraction raw material It is formulated:18 parts of lithium chloride, 14 parts of calcirm-fluoride, 6 parts of sodium nitrate, 9 parts of potassium chloride, 7 parts of magnesium chloride, 7 parts of lithium chloride, fluoaluminic acid 11 parts of sodium, 14 parts of marble powder, modified 5 parts of plant ash.
Preparation method is as follows:A, each component of formula ratio is well mixed, be sufficiently stirred, carry out pulverization process, crushing can Pass through 80 mesh;B, mixture obtained by a is put into heating fusing in crucible and removes the crystallization water, heating-up temperature is 95 DEG C, the heat time For 1.5 hours, insulation 50 minutes is then carried out;C, b products therefroms are subjected to cooling processing, are cooled to 40 DEG C, what is obtained is granular Mixture is refining agent.

Claims (4)

1. a kind of refining agent for smelting of aluminium alloy extrusions and preparation method thereof, it is characterised in that by the raw material of following parts by weight It is formulated:Lithium chloride 16-20 parts, calcirm-fluoride 12-16 parts, sodium nitrate 4-8 parts, potassium chloride 8-10 parts, magnesium chloride 6-8 parts, chlorine Change lithium 6-8 parts, cryolite 10-12 parts, marble powder 12-16 parts, modified plant ash 4-6 parts.Preparation method is as follows:A, will match somebody with somebody The each component just measured is well mixed, and is sufficiently stirred, and carries out pulverization process, and crushing can pass through 60-80 mesh;B, by mixture obtained by a It is put into heating fusing in crucible and removes the crystallization water, heating-up temperature is 90-100 DEG C, and the heat time is 1.5-2 hours, is then carried out It is incubated 40-60 minutes;C, b products therefroms are subjected to cooling processing, are cooled to 35-45 DEG C, obtained particulate mixtures are essence Refine agent.
A kind of 2. refining agent for smelting of aluminium alloy extrusions according to claim 1 and preparation method thereof, it is characterised in that Described refining agent is made up of each component of following mass fraction:16 parts of lithium chloride, 12 parts of calcirm-fluoride, 4 parts of sodium nitrate, potassium chloride 8 parts, 6 parts of magnesium chloride, 6 parts of lithium chloride, 10 parts of cryolite, 12 parts of marble powder, modified 4 parts of plant ash.
A kind of 3. refining agent for smelting of aluminium alloy extrusions according to claim 1 and preparation method thereof, it is characterised in that Described refining agent is made up of each component of following mass fraction:20 parts of lithium chloride, 16 parts of calcirm-fluoride, 8 parts of sodium nitrate, potassium chloride 10 parts, 8 parts of magnesium chloride, 8 parts of lithium chloride, 12 parts of cryolite, -16 parts of marble, modified 6 parts of plant ash.
A kind of 4. refining agent for smelting of aluminium alloy extrusions according to claim 1 and preparation method thereof, it is characterised in that Described refining agent is made up of each component of following mass fraction:18 parts of lithium chloride, 14 parts of calcirm-fluoride, 6 parts of sodium nitrate, potassium chloride 9 parts, 7 parts of magnesium chloride, 7 parts of lithium chloride, 11 parts of cryolite, 14 parts of marble powder, modified 5 parts of plant ash.
CN201710999394.XA 2017-10-24 2017-10-24 A kind of refining agent for smelting of aluminium alloy extrusions and preparation method thereof Pending CN107574327A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103031455A (en) * 2012-12-05 2013-04-10 安徽徽铝铝业有限公司 Preparation method of refining agent for smelting iron ore tailing doped aluminum alloy sectional material
CN103122419A (en) * 2012-12-05 2013-05-29 安徽徽铝铝业有限公司 Method for preparing refining agent doped with straw ash and used for smelting aluminum alloy section
CN105316511A (en) * 2015-10-21 2016-02-10 广西平果铝合金精密铸件有限公司 Aluminum alloy refining agent and preparation method thereof
CN105316510A (en) * 2015-10-21 2016-02-10 广西平果铝合金精密铸件有限公司 Aluminum alloy refining agent containing rear earth

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103031455A (en) * 2012-12-05 2013-04-10 安徽徽铝铝业有限公司 Preparation method of refining agent for smelting iron ore tailing doped aluminum alloy sectional material
CN103122419A (en) * 2012-12-05 2013-05-29 安徽徽铝铝业有限公司 Method for preparing refining agent doped with straw ash and used for smelting aluminum alloy section
CN105316511A (en) * 2015-10-21 2016-02-10 广西平果铝合金精密铸件有限公司 Aluminum alloy refining agent and preparation method thereof
CN105316510A (en) * 2015-10-21 2016-02-10 广西平果铝合金精密铸件有限公司 Aluminum alloy refining agent containing rear earth

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