Nuclear power plant primary loop water pressure test boosting system and switching method
By designing a pressure boosting system for the primary circuit water pressure test of a nuclear power plant, and using a flow meter to detect the liquid flow rate and automatically control the start of the boosting pump, the problem of non-automatic switching of the boosting system in the existing technology has been solved, and efficient and safe switching of the boosting system has been achieved.
CN119510111BActive Publication Date: 2025-11-04GUANGXI FANGCHENGGANG NUCLEAR POWER +1
Patent Information
- Application Number
- CN202411498490.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2044-10-24
Smart Images
Figure CN119510111B_ABST
Abstract
The application is suitable for the field of nuclear power reliability detection, and discloses a nuclear power station primary loop water pressure test boosting system and a switching method, which comprises a first charging pump, a boosting liquid supply unit, a recovery unit, a first minimum flow valve, a water charging pipeline and a control unit; the boosting liquid supply unit comprises a boosting pump and a first control valve; the recovery unit comprises a first flow meter and a capacity control box; the first minimum flow valve comprises a water inlet, a first water outlet and a second water outlet; the first charging pump is started to supply liquid to the primary loop, the first water outlet of the minimum flow valve is kept open, after the primary loop is filled with liquid, the hydraulic pressure at the first water outlet reaches a specified value, the second water outlet is opened, liquid flows into the second water path, then the first flow meter detects the liquid flow and feeds back a signal to the control unit, the control unit judges that the primary loop has been filled with liquid, the control unit starts the boosting pump, and the boosting pump starts to boost the primary loop, so that the switching of the boosting system is completed.
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Citation Information
Patent Citations
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