Nuclear reactor control system
阅读：585发布：2022-07-08
专利汇可以提供Nuclear reactor control system专利检索，专利查询，专利分析的服务。并且A nuclear reactor in which the neutron absorber rods are positioned by fluid power applied in accordance with binary coded command signals in fluidic form and piped to a decoder within the reactor pressure vessel.，下面是Nuclear reactor control system专利的具体信息内容。
1. In a nuclear reactor including a pressure vessel having a coolant inlet and outlet zone, a core disposed therebetween and from which useful heat is extracted by a coolant fluid, the improvement comprising means for controlling the reactivity level of the core including neutron absorber members moveable in respective guide passages extending with the core, a plurality of flow controllers each disposed within the pressure vessel for communication with a corresponding guide passage, each flow controller being communicated with a source of pressurized fluid and operable in response to reception of a fluidic form trigger signal to communicate the guide passage with the fluid source and thereby establish in the passage a pressurized fluid flow driving the neutron absorber member therein to a given position, and decoder means disposed within the pressure vessel to receive a binary coded command signal presented in fluidic form and identifying a specific neutron absorber member to be moved to such given position, said decoder means being operable in response to the command signal to apply a fluidic form trigger signal to the flow controller associated with the identified neutron absorber member and thereby drive same to said position.
2. The improvement according to claim 1 wherein said decoder means has input means disposed to receive binary coded command signals presented in parallel logic form by a plurality of fluidic lines extending through the pressure vessel wall.
3. The improvement according to claim 1 wherein said source of pressurized fluid includes a pump located within the pressure vessel and having an inlet disposed to receive said coolant fluid and an outlet communicated with each flow controller.
4. The improvement according to claim 1 including restrictor means flow-connecting each of the guide passages to said coolant inlet zone.
5. The improvement according to claim 1 wherein each flow controller includes a bistable flow switching device having one flow switching state in which the corresponding guide passage is communicated with said source, to establish the neutron absorber member in such passage at an out-core position, and another flow switching state in which said source is communicated with the coolant inlet zone to establish said neutron absorber member at an in-core position.
6. The improvement according to claim 5 wherein the guide passage is vertically aligned and the out-core position is elevated above the in-core position.
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