Automatic monitoring and warning system for nuclear power plant concrete structure sediment
A technology of concrete structure and alarm system, which is applied in the direction of alarm, foundation structure engineering, foundation structure test, etc. It can solve problems such as difficulty in satisfying continuity, long period, and inability to ensure the safety of raft foundation pouring, so as to ensure construction safe effect
A technology of concrete structure and alarm system, which is applied in the direction of alarm, foundation structure engineering, foundation structure test, etc. It can solve problems such as difficulty in satisfying continuity, long period, and inability to ensure the safety of raft foundation pouring, so as to ensure construction safe effect
CN101845829AActive Publication Date: 2010-09-29CHINA NUCLEAR IND HUAXING CONSTR
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[0019] Such as figure 1 As shown, the circular corridor wall 3 of the reactor building is located on the original bedrock 7, the corridor roof 4 is provided on the top of the corridor, the corridor roof 4 is supported by the support system arranged in the corridor, and the raft foundation 6 is in the form of A circle whose diameter matches the outer diameter of the circular corridor wall 3, its central area is on the original bedrock 7, its edge area is above the corridor roof 4 and the corridor wall 3, and the longitudinal prestressed pipe 5 runs through the raft The lower end of the board foundation 6 and the corridor roof 4 is provided with a bell mouth, and the lower end of the bell mouth is connected with a pressure bearing plate 8 . Multiple sets of monitoring and sensing devices are provided along the circular corridor, for example, they are set respectively at the four phases of 0°, 90°, 180°, and 270° of the circular corridor. The monitoring and sensing device includ...
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The invention provides an automatic monitoring and warming system for nuclear power plant concrete structure sediment, belonging to the technical field of the nuclear power plant infrastructure construction. The system comprises a plurality of monitor sensing devices and a warning control cabinet. Each monitor sensing device comprises a fixed part and a moving part, wherein the fixed part is a microstroke switch, and the moving part is a sinker bar mounted on the top plate of the gallery. The distance between the end part of the sinker bar and the contact of the microstroke switch is equal to the sediment warning value of the gallery top plate. The contact of the microstroke switch is serially connected with the coil of a corresponding intermediate relay and connected with a power circuit. The normally open contact of the intermediate relay is respectively connected with the electric bell and the corresponding signal lamps in serial and connected in the power circuit. In construction, when the sediment of any monitoring point reaches a set early warning value, the warning control cabinet will automatically displays the audible alarm, and the position of the monitor point which reaches the early warning value is indicated via the signal lamp, so that a construction commander can rapidly understand the monitor condition and start the corresponding handle plan, to ensure the construction safety.
Description
technical field [0001] The invention relates to a monitoring and alarm system for the construction of nuclear power plants, in particular to an automatic monitoring and alarm system for the settlement of concrete structures in nuclear power plants, which is applied to the monitoring of the settlement of the roof of the prestressed corridor during the multi-layer integral pouring of the raft foundation of the nuclear power plant, and belongs to nuclear power plant facilities Build technical fields. Background technique [0002] Due to the needs of my country's national economic development and the great advantages of nuclear power, the "National Nuclear Power Medium and Long-Term Development Plan (2005-2020)" requires that by 2020, my country's nuclear power installed capacity will reach 40 million kilowatts, and 18 million kilowatts are under construction, so that my country's nuclear power The installed capacity of China accounted for about 4% of the country's total installe...
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Patent Timeline
29 Sep 2010
Publication
CN101845829A
- IPC
- E02D33/00; G08B21/18
- Inventors
- 胡新儒; 魏建国