Online measurement apparatus and measurement method of uranium content of uranium-containing liquid
A measuring device and technology for uranium content, which are applied in the field of online measuring devices for uranium content in uranium-containing liquid, can solve the problems of cumbersome process, inability to realize real-time monitoring, long time, etc. Responsive effect
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Embodiment 1
[0043] Such as figure 1 As shown, an on-line measurement device for uranium content in uranium-containing liquids includes a bypass pipeline 6 communicated with a process pipeline 7, the bypass pipeline 6 is provided with an α detector 3, and the α detector 3 is connected to a counter 4 , one end of the bypass pipeline 6 communicates with the process pipeline 7, and the other end communicates with the waste liquid tank (not shown in the figure), and the bypass pipeline 6 is provided with a solenoid valve 5 at the front end of the α detector 3; the α The end of the detector 3 in contact with the uranium-containing liquid is provided with a ZnS(Ag) coating 2 , and a Mylar film 1 is wrapped outside the ZnS(Ag) coating 2 .
Embodiment 2
[0045] Such as figure 1 As shown, this embodiment is based on Embodiment 1, the bypass pipeline 6 and the process pipeline 7 form a loop; the bypass pipeline 6 is provided with solenoid valves 5 at both ends of the α detector 3 .
Embodiment 3
[0047] Such as figure 1 As shown, the present embodiment is based on embodiment 1 or embodiment 2, and the bypass pipe 6 is provided with a detection area, the alpha detector 3 is arranged on the detection area, and the inner diameter of the detection area is larger than that of the pipes at both ends. inner diameter.
[0048] A measuring method of an online measuring device, comprising the following steps:
[0049] 1), the number of α-rays and uranium-containing liquid 238 Establishment of U content relationship:
[0050] a1), respectively inject different 238 Uranium-containing liquids with U concentrations of 10mg / L, 100 mg / L, 500 mg / L, 1000 mg / L, 2000 mg / L, 4000 mg / L, 8000 mg / L and 10000 mg / L are in the bypass pipeline (6) are respectively detected by α detector 3 238 The α ray that U sends out, and counts the quantity of α ray by counter 4, measures the quantity of α ray under each concentration;
[0051] b1), with 238 U concentration is the abscissa, and the corresp...
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