Liquid-state heavy metal oxygen concentration control solid-liquid exchange reaction apparatus under flowing working condition
A liquid heavy metal and liquid metal technology, which is used in reactors, nuclear reactor monitoring, nuclear engineering, etc., can solve the problems of PbO particle dissolution and deposition function failure, and achieve the effect of easy implementation and operation, and simple overall structure design.
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[0012] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0013] like figure 1 As shown, a liquid heavy metal oxygen concentration control solid-liquid exchange reaction device under flow conditions, the device includes: a liquid metal valve 1, a liquid metal flowmeter 2, a reaction vessel 3, a screen filter 4, an oxygen measuring instrument 5 , Air cooling device 6, mass exchanger 7, built-in heating rod 8 and built-in thermocouple 9. Firstly, the whole device is preheated to 300 ℃ through the built-in heating rod 8 and the heating cable around the reaction vessel 3, and the temperature is kept for 12 hours, and the lead and bismuth are slowly injected into the experimental system and the device; the signal from the oxygen sensor in the experimental system shows that the lead If the oxygen concentration of bismuth is too low, it is fed back to the control system to increase the heating power of the bu...
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