Return water transmission system of nuclear reactor, liquid leakage positioning detection method and thermal loop system

• Main Authors: ZHU JINGZHE, YUAN ZHOUMING, YUAN ZILONG, LIU PAN, HAN HAO, LIU GAOYANG, CAO JIAN
• Format: Patent
• Language: Chinese; English
• Published: 11.06.2024
• Subjects: BLASTING; DOMESTIC HOT-WATER SUPPLY SYSTEMS; DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS; ELEMENTS OR COMPONENTS THEREFOR; FUSION REACTORS; HEATING; LIGHTING; MEASURING; MECHANICAL ENGINEERING; NUCLEAR ENGINEERING; NUCLEAR PHYSICS; NUCLEAR POWER PLANT; PHYSICS; PIPE-LINE SYSTEMS; PIPE-LINES; RANGES; STORING OF DISTRIBUTING GASES OR LIQUIDS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR; VENTILATING; WEAPONS

The invention provides a nuclear reactor backwater transmission system, a liquid leakage positioning detection method and a thermal loop system, and relates to the technical field of nuclear energy utilization. The backwater transmission system comprises an assembly type pipe ditch, a backwater pipeline and a leakage point detection system, the assembly type pipe ditch comprises a plurality of pipe ditch units which are prefabricated parts, and each pipe ditch unit comprises a plurality of water baffles which are arranged at intervals in the length direction; the water return pipeline is assembled in the assembly type pipe ditch and comprises a first pipeline made of a plastic-coated composite steel pipe and a second pipeline made of an aluminum steel pipe, and a cooling assembly is arranged in the second pipeline; the liquid leakage positioning detection method comprises the steps that liquid level information of a liquid level detection well is obtained, and when the liquid level information exceeds a thres