| 词条 | Dual fluid reactor |
| 释义 |
The dual fluid reactor (DFR) is a reactor concept of a private German research institute, the Institute for Solid-State Nuclear Physics. Combining the advantages of the molten salt reactor with those of the liquid metal cooled reactor, it is supposed to reach the criteria for reactors of the Generation IV International Forum. The fuel is a liquid actinide metal in a molten chloride salt solution, while the cooling is provided by liquid lead in a separate loop. As a fast breeder reactor, the DFR can use both natural uranium and thorium to breed fissile material, as well as recycle High-level waste and plutonium. Due to the high thermal conductivity of the molten metal, the DFR is an inherently safe reactor (the decay heat can be removed passively). If the reactor works as intended, the U-238 of a spent nuclear fuel element of a LWR (about 1 ton) could be completely dissolved in Cl-salt, including the problematic longliving transuranic parts. Complete breeding and fission could power a 1 GW thermal DFR for about 2.5 years. After that time the element would be completely converted into fission products and the need for storage in a final deposition for nuclear waste would be reduced from 1 million to about 300 years. The reactor design won the public vote in the German GreenTec Awards of 2013 but the award committee presiding over the awards changed the rules to exclude all nuclear designs before announcing the winner. The DFR participants successfully sued in response to this.[1][2] A conceptual predecessor of the DFR was the UK 1970s lead-cooled fast spectrum MSR (MSFR), which was undergoing a design path inclusive of the fissile fuel likewise dissolved in a molten chloride salt, with experimental work undertaken over 1968-73. Funding ceased in 1974.[3] References1. ^DFR – The Dual Fluid Reactor DFR: the first nuclear power plant to appear in (and almost win) a green contest 2. ^Der Dual Fluid Reaktor (DFR) ist per Gerichtsbeschluss für die GreenTec Awards nominiert ! 3. ^World Nuclear Association. Molten Salt Reactors Further reading
External links
2 : Liquid metal fast reactors|Nuclear power reactor types |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。