Experimental device and method for passive emergency residual heat removal system of lead-bismuth fast reactor
A technology of waste heat removal system and experimental device, which is used in cooling devices, reactors, nuclear power generation and other directions to achieve the effects of ensuring experimental accuracy, reliable opening and closing operations, and adjustable opening time.
Active Publication Date: 2021-12-14
XI AN JIAOTONG UNIV
View PDF5 Cites 1 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
At present, the research on the flow heat transfer characteristics of lead-bismuth fast reactor emergency waste heat removal system during start-up and operation is still in the preliminary exploration stage at home and abroad.
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 moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0020] as attached figure 1 As shown in the present invention, a lead-bismuth fast reactor passive emergency waste heat discharge system experimental device consists of a condensation system, a water supply system, a preheating section 1, a heating system, a nitrogen supply system, a flow measurement system, a deionized water supply system, and a main The electric shut-off valve 5 of the steam pipeline and the electric shut-off valve 11 of the return line are composed; the condensing system is used to condense high-temperature steam into single-phase water to provide a cold source for natural circulation, and the core decay heat can be exported without an external power supply; the water supply system is used for After the passive emergency waste heat removal system is put into operation, water is injected into the secondary side of the single spiral tube to ...
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
Login to View More Abstract
The invention discloses an experimental device and method for a passive emergency residual heat removal system of a lead-bismuth fast reactor. The experimental device comprises a condensation system, a water supplementing system, a preheating section, a heating system, a nitrogen supply system, a flow measurement system, a deionized water replenishing system, a main steam pipeline electric stop valve and a return pipeline electric stop valve. The condensation system is used for condensing the high-temperature steam into single-phase water and providing a cold source for natural circulation; the water supplementing system is used for injecting water into the secondary side of a single spiral pipe to take away decay heat of the reactor core after a passive emergency residual heat removal system is put into operation, so that normal operation of the passive emergency residual heat removal system is ensured; the preheating section is used for heating the single-phase water flowing out of the condensation system, so that the water flowing into the single spiral pipe reaches the pressure and temperature meeting the requirements; and the heating system is used for heating single-phase water into single-phase steam, taking away decay heat of the reactor core and providing a heat source for natural circulation. The experimental device and the experimental method can be used for carrying out the experimental study on the starting and steady-state operation natural circulation flow heat exchange characteristics of the emergency waste heat removal system.
Description
technical field [0001] The invention relates to the technical field of passive emergency waste heat removal systems, in particular to an experimental device and method for a lead-bismuth fast reactor passive emergency waste heat removal system. Background technique [0002] After the Fukushima nuclear accident, secondary side passive emergency waste heat removal (ECS) system was widely used in second-generation plus and third-generation 10000-kilowatt pressurized water reactors to meet the core decay heat removal in super-design basis accidents such as total power failure demand. The ECS system is based on the basic principle of closed natural circulation on the secondary side of the steam generator. The steam generated on the secondary side of the steam generator is condensed into single-phase water in the heat exchanger and then returned to the secondary side of the steam generator. The heat exchanger The decay heat generated by the primary circuit core is transferred to ...
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
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): G21C15/18G21C15/24
CPCG21C15/18G21C15/24Y02E30/30
Inventor 张魁商宝娟吴志远田文喜苏光辉秋穗正
Owner XI AN JIAOTONG UNIV