CN101514416A - Allumel intermediate alloy and preparation method thereof - Google Patents
Allumel intermediate alloy and preparation method thereof Download PDFInfo
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- CN101514416A CN101514416A CNA2009100287265A CN200910028726A CN101514416A CN 101514416 A CN101514416 A CN 101514416A CN A2009100287265 A CNA2009100287265 A CN A2009100287265A CN 200910028726 A CN200910028726 A CN 200910028726A CN 101514416 A CN101514416 A CN 101514416A
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- aluminum liquid
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Abstract
The invention discloses an allumel intermediate alloy and a preparation method thereof. The alloy is made of main ingredients and minor ingredients, wherein the main ingredients are primary aluminum liquid and metallic nickel, and the minor ingredients are a refining agent and a covering agent. The characteristic thereof lies in the alloy composition according to weight percentage: 99.96%-99.98% of nickel in the metallic nickel; 0.01%-0.1% of silicon, 0.001%-0.12% of ferric, and 99.97%-99.99% of aluminum in the primary aluminum liquid. The input amount of the alloy and the primary aluminum liquid (counted by 10T furnace) is as follows: 8T-9T of primary aluminum liquid, 0.96T-1.2T of metallic nickel, and proper amount of the refining agent and the covering agent. The advantage thereof is that the allumel intermediate alloy is produced by the method of using primary aluminum liquid to achieve the aim of energy saving and environment protection, thus remarkably reducing investment cost, shortening production period, simplifying production technique and lowering process cost.
Description
Technical field
The present invention relates to a kind of aluminium nickel master alloy, especially a kind of aluminium nickel master alloy and preparation method thereof belongs to the technical field of non-ferrous metal.
Background technology
Present China aluminium nickel (AlNi
10) master alloy finished by the fusing remelted aluminum ingot, because complex process, the process for processing cycle is longer, therefore, processing charges is higher relatively.In order to cut down the consumption of energy, reduce investment, shorten the production cycle.We have adopted primary aluminum liquid to (AlNi
10) master alloy produces trial, obtained effect preferably, utilizes primary aluminum liquid to produce qualified aluminium nickel (AlNi
10) master alloy just arisen at the historic moment.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, a kind of aluminium nickel master alloy and preparation method thereof is provided, this kind aluminium nickel master alloy is the purpose that the method for utilizing primary aluminum liquid to produce aluminium nickel master alloy reaches energy-conserving and environment-protective.Thereby greatly reduce cost of investment, shorten the production cycle, simplified production technique, reduced tooling cost.
Technical scheme of the present invention is: a kind of aluminium nickel master alloy, to make by major ingredient and auxiliary material, and major ingredient is primary aluminum liquid, metallic nickel.Auxiliary material is refining agent, insulating covering agent; It is characterized in that: alloy composition by weight percentage: metallic nickel nickel content is 99.96%-99.98%; Primary aluminum liquid silicone content is 0.01%-0.1%, and iron level is 0.001%-0.12%, aluminium content 99.97%-99.99%.
Require nickel content according to GB, calculate the adding quantity (calculating with the 10T furnace gauge) of various material, consider scaling loss and spot segregation, the add-on of various alloys should be by the theory of computation add-on of reaching the standard grade in the GB8735-88 GB.
The input amount of alloy and primary aluminum liquid (calculating) with the 10T furnace gauge: primary aluminum liquid 8T-9T, metallic nickel 0.96T-1.2T, refining agent, insulating covering agent are an amount of.
A kind of preparation method of aluminum metal nickel master alloy is: it has adopted the method for direct use primary aluminum liquid to produce, add insulating covering agent earlier in primary aluminum liquid surface, being warming up to 840 ℃-860 ℃ adds refining agent again and carries out refining, skim after the refining, add metallic nickel again, with magnetic stirrer auxiliary with manually fully stir make whole fusings after, take a sample when again aluminium liquid being heated to 1300 ℃-1400 ℃ behind the adding insulating covering agent, casting after qualified according to analytical results or carry out feed supplement by GB GB8735-88 requirement in chemical examination back, builds after qualified to get product.
Described primary aluminum liquid is the molten aluminium of temperature more than 800 ℃ of extracting out from electrolyzer.
Described refining agent is the injection refining agent, is carrier with rare gas element (nitrogen or argon gas), and ground flux is evenly sent into melt inside, realizes the purifying treatment to melt.
Described refining time is 5～10 minutes.
Described insulating covering agent claims the heat retaining and exothermal agent again, and effect is effectively to protect aluminium liquid not oxidized, prevents to absorb airborne moisture content and hydrogen, reduces the scaling loss of aluminium, improves the melting quality of aluminium liquid.
Advantage of the present invention is:
1, the time of minimizing from primary aluminum liquid to remelted aluminum ingot, saves remelted aluminum ingot melting operation again, improved labour productivity;
2, the needed energy consumption of remelted aluminum ingot melting process, material consumption have been reduced;
3, saves energy and water resources;
4, low production cost has much competitive power on price;
5, less investment, instant effect, payback period weak point.
Embodiment
The invention will be further described below in conjunction with embodiment.
Embodiment 1
1. raw material ratio:
A kind of aluminium nickel master alloy is made by major ingredient and auxiliary material, and major ingredient is primary aluminum liquid, metallic nickel; Auxiliary material is refining agent, insulating covering agent;
(1), analyze the composition of various materials and the composition of primary aluminum liquid, metallic nickel nickel content is 99.96%; Primary aluminum liquid silicone content is 0.1%, and iron level is 0.12%, aluminium content 99.97%.
(2), require nickel content, calculate the adding quantity (calculating with the 10T furnace gauge) of various material, consider scaling loss and spot segregation, the add-on of various alloys should be by the theory of computation add-on of reaching the standard grade in the GB8735-88 GB according to GB.
(3), the input amount (calculating) of alloy and primary aluminum liquid with the 10T furnace gauge: primary aluminum liquid 8T, metallic nickel 0.96T, insulating covering agent, refining agent are an amount of.
2. preparation method:
Adopted the method for direct use primary aluminum liquid to produce, add insulating covering agent earlier in primary aluminum liquid surface, being warming up to 840 ℃ adds refining agent again and carries out refining and skim after 7 minutes, add metallic nickel again, with magnetic stirrer auxiliary with manually fully stir make whole fusings after, adding when again aluminium liquid being heated to 1300 ℃ behind the insulating covering agent and take a sample, casts after qualified according to analytical results or carries out feed supplement by GB GB8735-88 requirement in the chemical examination back, builds after qualified to get product.
Analytical results is:
| Chemical Composition | Si | Fe | Zn | Ni | Al |
| Content (%) | 0.2 | 0.3 | 0.1 | 9 | Surplus |
From above analytical results, each component content all reaches the requirement of GB8735-88 GB.
Embodiment 2
1. raw material ratio:
A kind of aluminium nickel master alloy is made by major ingredient and auxiliary material, and major ingredient is primary aluminum liquid, metallic nickel; Auxiliary material is refining agent, insulating covering agent.
(1), analyze the composition of various materials and the composition of primary aluminum liquid, metallic nickel nickel content is 99.98%; Primary aluminum liquid silicone content is 0.01%, and iron level is 0.01%, aluminium content 99.9%.
(2), require nickel content, calculate the adding quantity (calculating with the 10T furnace gauge) of various material, consider scaling loss and spot segregation, the add-on of various alloys should be by the theory of computation add-on of reaching the standard grade in the GB8735-88 GB according to GB.
(3), the input amount (calculating) of alloy and primary aluminum liquid with the 10T furnace gauge: primary aluminum liquid 8T, metallic nickel 0.96T, insulating covering agent, refining agent are an amount of.
2. preparation method:
Adopted the method for direct use primary aluminum liquid to produce, add insulating covering agent earlier in primary aluminum liquid surface, being warming up to 850 ℃ adds refining agent again and carries out refining and skim after 9 minutes, add metallic nickel again, with magnetic stirrer auxiliary with manually fully stir make whole fusings after, adding when again aluminium liquid being heated to 1350 ℃ behind the insulating covering agent and take a sample, casts after qualified according to analytical results or carries out feed supplement by GB GB8735-88 requirement in the chemical examination back, builds after qualified to get product.
Analytical results is:
| Chemical Composition | Si | Fe | Zn | Ni | Al |
| Content (%) | 0.15 | 0.2 | 0.1 | 10 | Surplus |
From above analytical results, each component content all reaches the requirement of GB8735-88 GB.
Claims (3)
1, a kind of aluminium nickel master alloy is made by major ingredient and auxiliary material, and major ingredient is primary aluminum liquid, metallic nickel.Auxiliary material is refining agent, insulating covering agent; It is characterized in that: alloy composition by weight percentage: metallic nickel nickel content is 99.96%-99.98%; Primary aluminum liquid silicone content is 0.01%-0.1%, and iron level is 0.001%-0.12%, aluminium content 99.97%-99.99%.
2, a kind of aluminium nickel master alloy according to claim 1 is characterized in that: the input amount of alloy and primary aluminum liquid (calculating with the 10T furnace gauge): primary aluminum liquid 8T-9T, and metallic nickel 0.96T-1.2T, refining agent, insulating covering agent are an amount of.
3, the preparation method of a kind of aluminium nickel master alloy according to claim 2, it is characterized in that: adopted the method for direct use primary aluminum liquid to produce, add insulating covering agent earlier in primary aluminum liquid surface, being warming up to 840 ℃-860 ℃ adds refining agent again and carries out skimming after refining 5-10 minute, add metallic nickel again, with magnetic stirrer auxiliary with manually fully stir make whole fusings after, take a sample when again aluminium liquid being heated to 1300 ℃-1400 ℃ behind the adding insulating covering agent, casting after qualified according to analytical results or carry out feed supplement by GB GB8735-88 requirement in chemical examination back, builds after qualified to get product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100287265A CN101514416A (en) | 2009-01-09 | 2009-01-09 | Allumel intermediate alloy and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100287265A CN101514416A (en) | 2009-01-09 | 2009-01-09 | Allumel intermediate alloy and preparation method thereof |
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| CN101514416A true CN101514416A (en) | 2009-08-26 |
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| CNA2009100287265A Pending CN101514416A (en) | 2009-01-09 | 2009-01-09 | Allumel intermediate alloy and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328293A (en) * | 2014-11-07 | 2015-02-04 | 山东大学 | Aluminum crystal grain heterogeneous nucleation enhancer in aluminum alloy melt as well as preparation method and application thereof |
| CN104831079A (en) * | 2015-05-13 | 2015-08-12 | 上海交通大学 | Method for effectively removing vanadium during segregation-process refined aluminum purification |
| CN108823356A (en) * | 2018-06-15 | 2018-11-16 | 甘肃东兴铝业有限公司 | A kind of production method of deoxidation alfer |
-
2009
- 2009-01-09 CN CNA2009100287265A patent/CN101514416A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328293A (en) * | 2014-11-07 | 2015-02-04 | 山东大学 | Aluminum crystal grain heterogeneous nucleation enhancer in aluminum alloy melt as well as preparation method and application thereof |
| CN104831079A (en) * | 2015-05-13 | 2015-08-12 | 上海交通大学 | Method for effectively removing vanadium during segregation-process refined aluminum purification |
| CN104831079B (en) * | 2015-05-13 | 2016-08-31 | 上海交通大学 | Segregation method refined aluminium effectively removes the method for vanadium in purifying |
| CN108823356A (en) * | 2018-06-15 | 2018-11-16 | 甘肃东兴铝业有限公司 | A kind of production method of deoxidation alfer |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xuzhou Caifa Aluminum Heat Transfer Co., Ltd. Assignor: Bi Xiangyu Contract fulfillment period: 2009.2.26 to 2014.2.25 contract change Contract record no.: 2009320000361 Denomination of invention: Allumel intermediate alloy and preparation method thereof License type: Exclusive license Record date: 2009.3.13 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.2.26 TO 2014.2.25; CHANGE OF CONTRACT Name of requester: XUZHOU CAIFA ALUMINOTHERMY TRANSMISSION CO., LTD. Effective date: 20090313 |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090826 |