Method and system for automatically analyzing concentration of nitric acid in radioactive sample
An automatic analysis and radioactivity technology, which is applied in the direction of material analysis, material analysis through optical means, and measuring devices, etc., can solve the problems that automatic detection cannot be realized, and the technology of running rabbits cannot be directly connected, so as to reduce labor intensity and improve work efficiency. Effect
Active Publication Date: 2020-02-07
CHINA INSTITUTE OF ATOMIC ENERGY
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Problems solved by technology
However, the relatively mature near-infrared spectroscopy analysis cannot directly use the pneumatic sample bottle used as the sample container in the Rabbit technology as the measurement container, and cannot directly connect with the Rabbit technology, and cannot realize automatic detection
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[0047] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0048] Such as figure 1 Shown, the invention provides a kind of method for automatically analyzing the nitric acid concentration in the radioactive sample, comprising:
[0049] S1 transfers the pneumatic sample bottle to temporary storage;
[0050] S2 Sampling the sample in the temporarily stored pneumatic sample bottle to the measuring device for measurement.
[0051] In this way, by transferring the sampling method of the pneumatic sample bottle, the automatic docking of the running rabbit technology and the far-infrared analysis technology can be realized, and the unattended automatic analysis of the sample can be realized, which will greatly reduce the labor intensity of the staff and greatly improve the work efficiency. efficiency.
[0052] In some applications, the running rabbit technology does not only transport one type of sample, but diff...
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The invention relates to a method and a system for automatically analyzing the concentration of nitric acid in a radioactive sample. The method comprises the following steps: (1) transferring and temporarily storing a pneumatic sample bottle; (2) sampling the temporarily stored sample in the pneumatic sample bottle to a measuring device for measurement. The system comprises a running rabbit systemused for transporting the pneumatic sample bottle filled with the sample; a first moving module which is used for moving the pneumatic sample bottle to a temporary storage area; the temporary storagearea which is used for temporarily storing the pneumatic sample bottle; a second moving module which is used for sampling the temporarily stored sample in the pneumatic sample bottle to the measuringdevice for measurement; and the measuring device which is used for measuring the sample. The invention has the beneficial effects that the rapid transportation rabbit technology is combined with spectral analysis in a sample transfer mode, unattended automatic analysis of samples is realized, the labor intensity of workers is greatly reduced, and the working efficiency is greatly improved.
Description
technical field [0001] The invention belongs to the field of nuclear industry, in particular to a method and system for automatically analyzing the concentration of nitric acid in radioactive samples. Background technique [0002] Spent fuel reprocessing plants usually adopt the PUREX process, which utilizes the high extractability of U(VI) and Pu(IV) by tributyl phosphate (TBP) and the easy oxidation and reduction of Pu to realize U, The extraction and mutual separation of Pu mainly include uranium and plutonium decontamination cycle, uranium purification cycle and plutonium purification cycle. In the whole process, nitric acid is the most important analysis item, which has the characteristics of many analysis points, high analysis frequency, and large concentration span. The acid-base titration method currently used requires a lot of manpower and material resources, and the labor intensity of the staff is high. [0003] With the development and progress of society, the ra...
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Login to View More IPC IPC(8): G01N35/00G01N35/02G01N35/04G01N21/359
CPCG01N21/359G01N35/00G01N35/00732G01N35/00871G01N35/0099G01N35/02G01N35/04
Inventor 李定明范德军邵少雄赵胜洋应哲聪吴继宗
Owner CHINA INSTITUTE OF ATOMIC ENERGY