Method for improving rating steady-state operation power of homogeneous water solution nuclear reactor
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A nuclear reactor, steady-state operation technology, applied in the direction of uniform reactors, nuclear reactors, thermal reactors, etc., can solve the problems of small flow rate, high surface release rate of radiation decomposition gas, hydrogen deflagration, etc., to achieve small fluctuations and ensure long-term uniform stability Effect
What is AI technical title?
AI technical title is built by PatSnap AI team. It summarizes the technical point description of the patent document.
A nuclear reactor, steady-state operation technology, applied in the direction of uniform reactors, nuclear reactors, thermal reactors, etc., can solve the problems of small flow rate, high surface release rate of radiation decomposition gas, hydrogen deflagration, etc., to achieve small fluctuations and ensure long-term uniform stability Effect
CN101271737BInactive π Publication Date: 2010-08-11NUCLEAR POWER INSTITUTE OF CHINA
[0025] The technical solution of the present invention is to adopt a flat core, reduce the ratio of reactor core height to diameter, expand the volume and surface area of ββthe reactor core fuel solution, facilitate the escape of radiation decomposition gas, and reduce the cavitation coefficient and The surface release rate of the fuel solution for radiolysis gases (hydrogen and oxygen) prevents sharp fluctuations in reactor power; controls the specific power of the core, and adds ruthenium metal ions to the core fuel solution to catalyze H 2 o 2 Decompose, avoid UO 4 Precipitation occurs, and HNO is added after the hydrogen-oxygen recombiner in the reactor gas circuit 3 Nitrogen from radiolysis is directly converted to HNO 3 device and automatic continuous HNO supplementation 3 system that makes the reactor fuel solution HNO 3 Stable concentration, avoid HNO 3 A drop in concentration causes UO 2 +2 Hydrolysis and precipitation ensure the uniform stability of the fuel s...
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Abstract
The invention provides a method for improving the rated stable operation power of uniformity solution nuclear reactor, which is characterized in that a flat reactor core with the ratio of height and the diameter less than 0.5 is adopted to enlarge the surface area of reactor core fuel solution, to reduce the vacuolar coefficient of fuel solution, to control the surface releasing ratio of radiantly decomposed gas: hydrogen and oxygen and to control the reactor core specific power; ruthenium iron ions are added in reactor fuel solution and a device which converts nitrogen generated by the radiation and decomposition of HNO3 into HNO3 and an automatic continuous HNO3 supplementation system are additionally added, so as to enlarge the surface area of a heat exchanger, the gas circuit flux of nuclear reactor and hydrogen and oxygen composition capability of a hydrogen and oxygen compositor in the gas circuit, and to control the hydrogen consistency in the gas circuit. The method of the invention can ensure that the rated stable operation power of the uniformity solution nuclear reactor is higher than 200kW.
Description
technical field [0001] The invention belongs to a design method of a nuclear reactor, in particular to a method for increasing the rated steady-state operating power of a homogeneous aqueous solution nuclear reactor. Background technique [0002] One of the main uses of the current homogeneous aqueous solution nuclear reactor is to produce medical isotopes. Uniformity Aqueous Solution for Nuclear Reactors to UO 2 SO 4 Solution or UO 2 (NO 3 ) 2 The solution is nuclear fuel, and its steady-state operating power is low. As a homogeneous aqueous solution nuclear reactor for research, UO is mainly used 2 SO 4 The solution is used as nuclear fuel, and the steady-state operating power is more than 50kW, and the highest design steady-state operating power is 100kW, but the long-term steady-state operation has not been realized. to UO 2 (NO 3 ) 2 The homogeneous aqueous solution nuclear reactor with solution as nuclear fuel has a rated steady-state operating power of 25kW...
Claims
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