A method for optimizing the volume of main equipment in the secondary circuit of a floating nuclear power plant

Abstract

The invention discloses a method for optimizing the volume of main equipment of the secondary circuit of a floating nuclear power plant, comprising: (1) establishing a mathematical model for the structural design of the main equipment of the secondary circuit; (2) selecting optimization parameters; (3) establishing an objective function; (4) Establish constraints; (5) Establish a secondary loop thermal scheme; (6) Perform heat balance calculation; (7) Calculate the total volume of the equipment to obtain the objective function value; (8) Parameter optimization, optimize the optimized parameters by improving the particle swarm algorithm, Calculate the particle velocity and get the position of the next generation particle, update the individual optimal particle and the global optimal particle; (9) Repeat steps (6)-(8) until the preset number of iterations is completed, which will make the one with the smallest objective function value. Set the optimization parameters as the optimal solution. The method of the invention ensures that the devices can be matched with each other when the structures are designed for each device; the improved particle swarm algorithm adopted can achieve the global optimum.

Description

technical field [0001] The invention relates to an equipment volume optimization method, in particular to a volume optimization method for the secondary circuit application of a floating nuclear power plant, which can be applied to the main equipment of the secondary circuit. Background technique [0002] Floating nuclear power plants refer to movable nuclear power plants built with floating platforms, which have obvious advantages in areas such as power supply and seawater desalination in areas without power grids. The secondary circuit system is an important part of the pressurized water reactor nuclear power plant. Its main function is to convert the heat generated and transferred by the reactor and the primary circuit system into the mechanical energy required for ship navigation, and to produce electricity and fresh water. The space occupied by the secondary circuit of a floating nuclear power plant directly affects its mobility and flexibility. Therefore, during the sy...

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Problems solved by technology

[0008] In order to solve the above technical problems, the present invention proposes a method for optimizing the volume of the main equipment of the secondary circuit of the floating nuclear power plant. The disadvantage of obtaining the optimal total volume; at the same time, this method performs thermal balance calculations before each optimization, avoiding the disadvantage of mismatching devices after multiple optimizations

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