Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Advanced fusion-fission subcritical energy source reactor core fuel assembly

A fuel assembly, subcritical technology, applied in the direction of fuel elements, reactor fuel materials, nuclear power generation, etc., can solve the problem of coolant pressure and other problems.

Active Publication Date: 2014-02-12
CHINA NUCLEAR POWER ENG CO LTD
View PDF7 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Fusion neutron source-driven subcritical energy core fuel assemblies previously designed at home and abroad mostly consider the fuel rod-shaped layout, which does not solve the problem of coolant pressure, and the structure of the fuel assembly needs to be improved

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Advanced fusion-fission subcritical energy source reactor core fuel assembly
  • Advanced fusion-fission subcritical energy source reactor core fuel assembly
  • Advanced fusion-fission subcritical energy source reactor core fuel assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0017] figure 1 A schematic diagram of the fuel assembly is given. The fuel assembly includes a multilayer structure arranged in sequence along the thickness direction, each layer structure includes several grid units arranged along the height direction, and each grid unit is composed of uranium-zirconium alloy fuel 1, water coolant 3 and cooling pipe 2 , the cooling tube 2 is used for bearing pressure and passes through the uranium-zirconium alloy fuel horizontally. The extension direction of the cooling tube is perpendicular to the thickness direction of the fuel assembly, and is arranged in an equilateral triangle in the fuel assembly, that is, three cooling tubes adjacent to each other in the fuel assembly The cross sections of the tubes 21, 22, 23 are equilateral triangles. Each fuel grid contains cylindrical cooling water 3, cylindrical zircon...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Thicknessaaaaaaaaaa
Heightaaaaaaaaaa
Login to View More

Abstract

The invention belongs to the design technique of nuclear power and particularly relates to an advanced fusion-fission subcritical energy source reactor core fuel assembly. The fuel assembly comprises multiple layers of structures sequentially arranged along the thickness direction, wherein each layer of structure comprises a plurality of grid units, the grid units are arranged along the height direction and are provided with uranium-zirconium alloy fuels, a cooling tube horizontally penetrates through the uranium-zirconium alloy fuels of each grid unit, the extending direction of the cooling tube is vertical to the thickness direction of the fuel assembly, and flowable cooling agents are filled in the cooling tubes. According to the advanced fusion-fission subcritical energy source reactor core fuel assembly, the natural uranium and zirconium alloys are taken as fission fuels, the cooling tubes are arranged in the fuels in a regular triangle manner, and the cooling of the fuels can be guaranteed due to the arrangement manner of the cooling tubes. The fuel assembly has the advantages that the uranium-water volume ratio is proper, and a reactor core can have an enough energy amplification factor.

Description

technical field [0001] The invention belongs to nuclear power design technology, in particular to the design of an advanced fusion-fission subcritical energy reactor core fuel assembly. Background technique [0002] As a special reactor type transitioning to a controlled nuclear fusion power plant, the fusion-fission hybrid reactor has special advantages in terms of safety, economy, energy optimization utilization and environmental impact. The fusion-fission subcritical energy reactor with production capacity as the main purpose It is a kind of fusion-fission hybrid reactor, which uses the fusion reactor as a neutron source to generate high-flux neutrons, and coats the fusion device with a layer of fissile material or convertible material (such as 238 U 232 Th), energy and neutrons are multiplied by fusion neutron-induced fission, (n,2n) and capture reactions to generate electricity and fissile materials. The energy multiplier of the fission cladding, which is mainly based...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G21C3/60G21C3/04
CPCY02E30/38Y02E30/30
Inventor 程和平邵增刘国明霍小东易璇汪俊张慧敏周喆
Owner CHINA NUCLEAR POWER ENG CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com