Method and system for improving reliability of emergency power supplies of nuclear power plant
A technology of emergency power supply and nuclear power plant, which is applied in the direction of emergency power supply arrangements, battery circuit devices, collectors, etc., and can solve the problems of providing reactor core waste heat discharge, fixed diesel generator sets unable to start, and inability to resist flooding disasters, etc.
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Embodiment 1
[0320] see Figure 9 to Figure 15D , the first way of the waterproof door 4104,
[0321] The waterproof door 4104 can be hinged at the passage opening, and is rotatably connected to the accommodating cavity through a hinge shaft. Specifically, a hinge shaft 4111 can be provided at the passage opening, and a sleeve 4115 that can be sleeved on the hinge shaft 4111 is provided at a corresponding position on the side of the waterproof door 4104, and the sleeve 4115 and the hinge shaft 4111 cooperate to make the waterproof door 4104 wrap around the hinge. The shaft 4111 rotates to realize the opening and closing of its channel opening.
[0322] Alternatively, a sleeve 4115 can also be provided at the passage opening, and a hinge shaft 4111 that can be inserted into the sleeve 4115 is provided at a corresponding position on the side of the waterproof door 4104. Through the cooperation of the sleeve 4115 and the hinge shaft 4111, the waterproof The door 4104 rotates around the hing...
Embodiment 2
[0328] see Figure 12 , 13 , 14A, 14B, 14C, in the second way, the passage opening is provided with an inner door 4160 which is usually opened for normal access, and the waterproof door 4104 is arranged on the outer wall of the accommodating cavity, and is always located outside the passage opening s position.
[0329] Specifically, the structural design of the inner door 4160 can adopt the following two methods:
[0330] A casing is provided at the passage opening, and a rotating shaft that can be inserted in the casing is provided at a corresponding position on the side of the inner door 4160. The sleeve and the rotating shaft cooperate to make the inner door 4160 rotate around the rotating shaft to realize the opening and closing of the passage opening. Closed for easy access of operators (not shown).
[0331] Alternatively, a rotating shaft is provided at the passage opening, and a sleeve that can be sleeved on the rotating shaft is provided at a corresponding position ...
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