CN101440446A - Industrial lithium-lead alloy - Google Patents
Industrial lithium-lead alloy Download PDFInfo
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- CN101440446A CN101440446A CNA2008102462391A CN200810246239A CN101440446A CN 101440446 A CN101440446 A CN 101440446A CN A2008102462391 A CNA2008102462391 A CN A2008102462391A CN 200810246239 A CN200810246239 A CN 200810246239A CN 101440446 A CN101440446 A CN 101440446A
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Abstract
The invention discloses an industrial lithium-lead alloy, which comprises the following compositions by mass percentage: Pb as a matrix, and 0.67 to 0.69 percent of Li. The alloy material has good neutron multiplication capability, high tritium breeding capability and high performance of heat conducting and heat carrying capability, is a material of a breeding agent and a cooling agent with great vitality, can be applied in the nuclear industrial field, particularly has important application value in fusion reactor, and has huge recent and long-term research and application prospects.
Description
Technical field:
The present invention relates to a kind of alloy, specifically is a kind of industrial lithium-lead alloy.
Background technology:
Fusion energy is " safety, cleaning, permanent " energy, be recognize at present can finally solve one of important channel of human energy dilemma and environmental problem.Cladding technique is a decision fusion energy key of success technology, and the liquid metal blanket design is the main flow of the present development of fusion reactor covering in the world owing to its plurality of advantages becomes one of main scheme.Join international thermonuclear fusion experiment at present and pile the development that ITER each side all pays much attention to the liquid metal covering.
Li-Pb alloy has good radioresistance injury reinforcing ability as tritium multiplication agent, refrigerant and neutron multiplication agent, allows the online tritium of carrying outside vacuum vessel, does not have explosive reaction with water and air, is a kind of multiplication agent and coolant material that has vitality.Therefore, the European Community, the U.S. and China all give priority to liquid lithium sheath layer as one of main object, and liquid lithium sheath layer has the huge recent and application prospect that studies for a long period of time.
The plumbous multiplication agent of liquid lithium is compared with solid-state multiplication agent, and its advantage applies exists:
(1) the tokamak complex geometry is had excellent adaptability, have good neutron multiplication ability, high tritium multiplication capacity need not to use expensive neutron multiplication agent (as Be) again in covering;
(2) multiplication agent itself also is the tritium circulating carrier, and tritium solubleness therein is very low in addition, can design the tritium extraction system of real-time online, thereby has also reduced covering and changed frequency, has improved the operability of heap;
(3) but the real-time online supplement consumed fall
6The Li isotropic substance is a kind of bred material that does not have age limit;
(4) have good heat conduction and heat-carrying capacity, allow design high power density, high thermal efficiency cladding systems.
Liquid lithium sheath layer is because its distinctive advantage and very attractive, but the operating mode of fusion reactor covering harshness all has high requirements to Li-Pb alloy composition and purity.May cause the generation of long-lived radioactivity nucleic as the sub-irradiation of persistent erection, so require the content of easily-activated element in the alloy is carried out the strictness restriction; The problems such as burn into mass transfer that the circular flow of liquid metal lithium lead under the covering actual condition is brought then to alloy in the content of easy molten impurity element proposed to explicitly call for; In addition, the purity of Li-Pb alloy also will directly influence the production and the extraction of nuclear fuel tritium in the fusion reactor covering operational process, and the content of impurity not only can reduce the hold-up of tritium in covering in the strict control Li-Pb alloy, is convenient to the extraction of tritium; The impurity that also can avoid simultaneously producing in the covering operational process deposits, so also need total impurities content in the alloy is carried out strict defining and control.
Summary of the invention:
The purpose of this invention is to provide a kind of industrial lithium-lead alloy, this alloy has good neutron multiplication ability, high tritium multiplication capacity, high heat conduction and heat-carrying capacity, is a kind of multiplication agent and coolant material that has vitality.
The present invention is achieved by the following technical solutions:
A kind of industrial lithium-lead alloy is characterized in that: wherein the mass percent of each composition is: matrix is Pb; Li:0.68 ± 0.01%.
Industrial lithium-lead alloy according to claim 1, it is characterized in that: the specific requirement of the foreign matter content of described Li-Pb alloy is: Fe＜10wppm, Mn＜10wppm, Cr＜1wppm, Ni＜5wppm, the content requirement of other impurity element such as Bi, Ag, Nb, Mo, Al, Co, Si, Cu etc. is lower than 1wppm, and requires total impurities content to be lower than 300wppm.
The present invention can be applicable to the nuclear industry field, particularly the fusion reactor field.
Advantage of the present invention is:
Li-Pb alloy provided by the invention has good neutron multiplication ability, high tritium multiplication capacity, and high heat conduction and heat-carrying capacity are a kind of multiplication agent and coolant materials that has vitality, are applicable to the nuclear industry field, particularly the fusion reactor field.
Embodiment:
A kind of industrial lithium-lead alloy, wherein the mass percent of each composition is: matrix is Pb; Li:0.68 ± 0.01%.The purity of Li-Pb alloy satisfies following the requirement: the specific requirement of its foreign matter content is: Fe, Mn＜10wppm, Cr＜1wppm, Ni＜5wppm, the content requirement of other impurity element such as Bi, Ag, Nb, Mo, Al, Co, Si, Cu etc. is lower than 1wppm, and total impurities content should be lower than 300wppm.
Claims (2)
1. industrial lithium-lead alloy, it is characterized in that: wherein the mass percent of each composition is: matrix is Pb; Li:0.68 ± 0.01%.
2. industrial lithium-lead alloy according to claim 1, it is characterized in that: the specific requirement of the foreign matter content of described Li-Pb alloy is: Fe＜10wppm, Mn＜10wppm, Cr＜1wppm, Ni＜5wppm, the content requirement of other impurity element such as Bi, Ag, Nb, Mo, Al, Co, Si, Cu etc. is lower than 1wppm, and total impurities content should be lower than 300ppm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102462391A CN101440446A (en) | 2008-12-31 | 2008-12-31 | Industrial lithium-lead alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102462391A CN101440446A (en) | 2008-12-31 | 2008-12-31 | Industrial lithium-lead alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101440446A true CN101440446A (en) | 2009-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNA2008102462391A Pending CN101440446A (en) | 2008-12-31 | 2008-12-31 | Industrial lithium-lead alloy |
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| CN (1) | CN101440446A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876013A (en) * | 2010-06-13 | 2010-11-03 | 中国铝业股份有限公司 | Li-Pb alloy for nuclear industry |
| CN104388680A (en) * | 2014-10-16 | 2015-03-04 | 中国科学院合肥物质科学研究院 | Method for recovering thallium from lead and lithium alloy |
| CN104404296A (en) * | 2014-11-24 | 2015-03-11 | 安徽科技学院 | Preparation method for lead bismuth alloy used by nuclear reactor |
| CN104451252A (en) * | 2014-12-11 | 2015-03-25 | 安徽科技学院 | Lithium-lead alloy applied to nuclear reactor and preparation method of lithium-lead alloy |
| CN105405471A (en) * | 2015-12-18 | 2016-03-16 | 中国科学院合肥物质科学研究院 | Low-electric conductivity liquid-state tritium proliferation agent for fusion and preparation method thereof |
| CN108682866A (en) * | 2018-04-13 | 2018-10-19 | 安徽力普拉斯电源技术有限公司 | Novel Pb-Ca-Sn-Al alloy, positive plate grid and lead-acid accumulator comprising it |
| WO2020039234A1 (en) * | 2018-08-24 | 2020-02-27 | Secretary, Department Of Atomic Energy | Production of dilute pb (0.2 to 1.1 wt %) - li alloys |
-
2008
- 2008-12-31 CN CNA2008102462391A patent/CN101440446A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876013A (en) * | 2010-06-13 | 2010-11-03 | 中国铝业股份有限公司 | Li-Pb alloy for nuclear industry |
| CN104388680A (en) * | 2014-10-16 | 2015-03-04 | 中国科学院合肥物质科学研究院 | Method for recovering thallium from lead and lithium alloy |
| CN104388680B (en) * | 2014-10-16 | 2016-09-07 | 中国科学院合肥物质科学研究院 | The recovery method of thallium in a kind of lead lithium alloy |
| CN104404296A (en) * | 2014-11-24 | 2015-03-11 | 安徽科技学院 | Preparation method for lead bismuth alloy used by nuclear reactor |
| CN104404296B (en) * | 2014-11-24 | 2016-08-24 | 安徽科技学院 | A kind of preparation method of used by nuclear reactor lead bismuth alloy |
| CN104451252A (en) * | 2014-12-11 | 2015-03-25 | 安徽科技学院 | Lithium-lead alloy applied to nuclear reactor and preparation method of lithium-lead alloy |
| CN104451252B (en) * | 2014-12-11 | 2017-01-04 | 安徽科技学院 | A kind of Li-Pb alloy of used by nuclear reactor and preparation method thereof |
| CN105405471A (en) * | 2015-12-18 | 2016-03-16 | 中国科学院合肥物质科学研究院 | Low-electric conductivity liquid-state tritium proliferation agent for fusion and preparation method thereof |
| CN105405471B (en) * | 2015-12-18 | 2017-07-11 | 中国科学院合肥物质科学研究院 | A kind of fusion low conductivity liquid tritium multiplication agent and preparation method thereof |
| CN108682866A (en) * | 2018-04-13 | 2018-10-19 | 安徽力普拉斯电源技术有限公司 | Novel Pb-Ca-Sn-Al alloy, positive plate grid and lead-acid accumulator comprising it |
| CN108682866B (en) * | 2018-04-13 | 2021-04-20 | 安徽力普拉斯电源技术有限公司 | Novel lead-calcium-tin-aluminum alloy, positive plate grid comprising same and lead-acid storage battery |
| WO2020039234A1 (en) * | 2018-08-24 | 2020-02-27 | Secretary, Department Of Atomic Energy | Production of dilute pb (0.2 to 1.1 wt %) - li alloys |
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Application publication date: 20090527 |