Overall thermal hydraulics performance simulator for engineered safety system of reactor

A technology of comprehensive performance and safety system, which is applied in the field of thermal and hydraulic comprehensive performance experiments of new-type reactor special safety systems, can solve the problems of inaccurate data and single function, and achieves a wide range of parameters, high design parameters, regulation and control. good effect

Active Publication Date: 2017-08-25
NUCLEAR POWER INSTITUTE OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a thermal-hydraulic comprehensive performance simulator for a special reactor safety syst

Method used

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  • Overall thermal hydraulics performance simulator for engineered safety system of reactor
  • Overall thermal hydraulics performance simulator for engineered safety system of reactor

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Experimental program
Comparison scheme
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Embodiment

[0024] Such as Figures 1 to 2 As shown, the thermal-hydraulic comprehensive performance simulator of the special safety system of the reactor of the present invention includes a coolant experimental system, a steam condensation system, a passive safety injection and waste heat discharge experimental system, and a recirculation experimental system for coolant simulation experiments. , pressure relief experimental system, loss of water accident experimental system, power supply system, and thermal parameter acquisition and control system, coolant experimental system, steam condensation system, DC power supply system and thermal parameter acquisition and control system to complete the normal operation of the simulated reactor Nuclear heat release process, coolant forced circulation flow, pressure control adjustment and steam output; passive safety injection and waste heat discharge experimental system, coolant experimental system, steam condensation system, DC power supply system...

Embodiment approach

[0026] The first method: through the inlet quick-release pipeline 602 and the outlet quick-release pipeline 603 in the loss of water accident experimental system respectively connecting the pipeline 605 and the pipeline 606 to realize the experimental simulation of the whole transient process of the direct injection pipeline when the loss of water accident occurs.

[0027] First, the coolant experiment system, steam condensation system, DC power supply system and thermal parameter acquisition and control system jointly complete the nuclear heat release process, coolant forced circulation flow, pressure control adjustment and steam output during the normal operation of the simulated reactor.

[0028] Then the thermal parameter acquisition and control system outputs the control signal of the loss of water accident, controls the DC power supply system to change according to the decay heat curve, the main pump 109 gradually stops running according to the emergency shutdown situation...

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Abstract

The invention discloses an overall thermal hydraulics performance simulator for an engineered safety system of a reactor. The simulator comprises a coolant experiment system for a simulation experiment of coolants, a vapor condensation system, a passive safety injection and waste heat removal experiment system, a recycling experiment system, a pressure relief experiment system, a coolant loss accident experiment system, a power supply system and a thermal parameter acquisition control system. According to the simulator disclosed by the invention, whole-process continuous experimental study is realized from totally seven phases such as a high-power normal operating state, total-pressure burst blow, high-pressure injection, system pressure relief, medium pressure safety injection, low-pressure injection and establishment of low-voltage long-term natural cycle. The continuous experimental study from the high-power normal operating state to establishment of a passive waste heat removal system in the station blackout phase reaching the period within 72 hours after the accident is realized. The simulator has the advantages of high design parameter and wide parameter range, and comprehensively covers the passive engineered safety system of the conventional novel reactor, the adjustability and controllability of the device are excellent, and the adjustability and controllability of a simulated accident sequence are excellent.

Description

technical field [0001] The invention relates to the experimental field of thermal and hydraulic comprehensive performance of the new reactor special safety system, which relates to the passive dynamic steady-state characteristics and transient characteristics of the new reactor in the state of dehydration accident and the power failure state of the whole plant, and specifically relates to the design of reactor safety System thermal-hydraulic comprehensive performance simulator. Background technique [0002] With the continuous advancement of reactor research and development technology, the requirements for its safety are getting higher and higher. New reactors introduce passive technology into the design of the special safety system. The safety system is designed to respond immediately, avoiding human intervention and improving the inherent safety of the reactor. This passive technology is used in the design of the reactor safety system. After the accident, the height diffe...

Claims

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Application Information

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IPC IPC(8): G21C17/00
CPCG21C17/001Y02E30/30
Inventor 张妍昝元峰闫晓卓文彬黄志刚李朋洲韩群霞朱小丽何灿阳
Owner NUCLEAR POWER INSTITUTE OF CHINA
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