Three-loop reactor coolant system suitable for ultra-large pressurized water reactor
A coolant system and reactor technology, applied in the direction of reactors, cooling devices, and reduction of greenhouse gases, can solve the problems of high design, manufacture, and production costs of ultra-large pressurized water reactors, high design, manufacture, and production costs, and achieve manufacturing costs Low cost, lower cost, and simplified system design
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Embodiment 1
[0029] Such as figure 1 Shown:
[0030] A three-loop reactor coolant system suitable for super-large PWRs, including three heat transfer loops connected to the reactor pressure vessel (000BA); figure 1 Among them, the three heat transfer loops include the first heat transfer loop, the second heat transfer loop, and the third heat transfer loop;
[0031] Each heat transfer loop includes a steam generator and two reactor coolant main pumps. The suction ports of the two reactor coolant main pumps in each heat transfer loop and the corresponding steam generators in the heat transfer loop The outlet water chamber of the primary side of the reactor is connected, and the discharge outlets of the two reactor coolant main pumps are connected to the cold section return water interface of the reactor pressure vessel 000BA. The primary inlet water chamber of the steam generator in each heat transfer loop is connected to The hot section drainage interface of the reactor pressure vessel 000BA ...
Embodiment 2
[0035] On the basis of the above-mentioned embodiment, preferably, a further implementation structure is: since each heat transfer loop is provided with two reactor coolant main pumps, it means that there are two cold sections. Therefore, for the present invention The capacity of the reactor coolant main pump does not need to be too large for the ultra-large pressurized water reactor nuclear power unit, and the current mature main pump design and manufacturing technology of the million-kilowatt nuclear power unit can be fully utilized; therefore, the optimal heat transfer loop The two reactor coolant main pumps adopt the mature main pumps of mega-kilowatt nuclear power generating units.
Embodiment 3
[0037] On the basis of the above-mentioned embodiment, preferably, a further implementation structure is: In order to be more beneficial to the safety of the reactor, the reactor pressure vessel 000BA corresponds to the six cold section return ports of the three heat transfer loops at the same water level B, The reactor pressure vessel 000BA corresponds to the three hot section drainage interfaces of the three heat transfer loops at the same water level A, where the water level A is higher than the water level B.
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