Marine nuclear power platform multi-box transfer mode refueling system
A nuclear power and platform technology, applied in the field of marine nuclear energy, can solve the problems of low fuel assembly transfer efficiency, time consumption, low efficiency of nuclear power plant use, etc., to improve transfer efficiency and refueling efficiency, complete equipment, and accurate running track reliable effect
Pending Publication Date: 2021-08-20
WUHAN SECOND SHIP DESIGN & RES INST
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Problems solved by technology
During the refueling process of nuclear-powered ships, a lot of time is spent on going to and from the operating sea area and entering and leaving the dock, and the use efficiency of nuclear power devices is low
Whether it is a land nuclear power plant or a nuclear-powered ship, a single-box refueling method is generally adopted, and the fuel assembly transfer efficiency is low
Method used
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[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0024] Such as figure 1 and figure 2 As shown, the refueling system of the multi-cassette transfer mode of the marine nuclear power platform includes three areas: the nuclear fuel loading and unloading compartment 1, the spent fuel storage compartment 2 and the reactor compartment 3. The spent fuel storage compartment 2 and the reactor compartment 3 are located below the nuclear fuel loading and unloading compartment 1 and arranged adjacently. Both the spent fuel storage compartment 2 and the reactor compartment 3 are provided with hoisting openings 4, and the spent fuel storage compartment 2 and the reactor compartment 3 communicate with the nuclear fuel loading and unloading compartment 1 through the hoisting openings 4 respectively. The hoisting opening 4 is provided with a vertical guide rail 5, The vertical guide rail 5 is use...
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The invention relates to a marine nuclear power platform multi-box transfer mode refueling system. The system comprises a nuclear fuel loading and unloading cabin, a spent fuel storage cabin and a reactor cabin, hoisting openings are respectively arranged between the spent fuel storage cabin and the reactor cabin and between the spent fuel storage cabin and the reactor cabin and the nuclear fuel loading and unloading cabin, and the hoisting openings are provided with vertical guide rails; a transfer crane, a new fuel storage room, a special shielding facility, a reactor top structure storage box, reactor core fuel operation equipment and a multi-box fuel transfer container are arranged in the nuclear fuel loading and unloading cabin; a nuclear reactor is arranged in the reactor cabin; and a spent fuel loading and unloading machine and a spent fuel water tank are arranged in the spent fuel storage cabin, and a spent fuel storage grillwork is arranged in the spent fuel water tank. According to the refueling system, autonomous refueling of the marine nuclear power platform can be achieved, the operation efficiency of fuel assembly transferring in the refueling process is improved, the refueling time is shortened, and the refueling efficiency is improved.
Description
technical field [0001] The invention relates to refueling of an offshore floating reactor, in particular to a refueling system of a marine nuclear power platform in a multi-cassette transfer mode, and belongs to the technical field of marine nuclear energy. Background technique [0002] The marine nuclear power platform is a welded steel ship-type floating platform equipped with nuclear power devices. It is moored in the designated operating sea area for a long time, and can provide electric energy and fresh water according to user needs. Its reactors need to replace nuclear fuel assemblies after a cycle of operation. In order to ensure the continuous energy supply of users and improve the load factor of nuclear power plants and the economy of marine nuclear power platforms, it is necessary to complete the nuclear fuel replacement in the shortest possible time after shutdown, and carry out independent refueling operations at sea without the help of external facilities , but...
Claims
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IPC IPC(8): G21C19/10G21C19/07
CPCG21C19/07G21C19/10Y02E30/30
Inventor 梅侦董海防孙福江陆游朱刚余迎郭翔
Owner WUHAN SECOND SHIP DESIGN & RES INST