CN103745758A - Feeding method of radioactive material liquid - Google Patents
Feeding method of radioactive material liquid Download PDFInfo
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- CN103745758A CN103745758A CN201410004730.9A CN201410004730A CN103745758A CN 103745758 A CN103745758 A CN 103745758A CN 201410004730 A CN201410004730 A CN 201410004730A CN 103745758 A CN103745758 A CN 103745758A
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Abstract
The invention relates to an operation method under a radioactive condition, provides a feeding method of a radioactive material liquid and aims at solving the defects of high cost, difficulty of replacing and repairing a feeding pump and low radioactive safety of operators in a current feeding method of a radioactive material liquid. The method comprises the steps of (1), setting a non-radioactive container and filling deionized water in the non-radioactive container; (2), arranging a sealed middle container, filling ionized water in an inner lower part of the middle container and filling an organic solvent in an upper part of the middle container; (3), arranging a sealed feeding container and filling the radioactive material liquid in the feeding container; (4), arranging a feeding pump and a pipeline; and (5), opening the feeding pump to feed the material. Due to the feeding method of the radioactive material liquid, quantitative feeding of the radioactive material liquid is realized, so that the cost of the feeding pump is greatly reduced, the feeding pump is easy to replace and repairing; and the feeding method is good, so that the generation of radioactive waste is reduced; a device used in the feeding method is simple and easy to operate.
Description
Technical field
The present invention relates to the method for operating under a kind of radioactivity condition, particularly a kind of feed process of radioactivity feed liquid.
Background technology
In nuclear industry field (as nuclear fuel aftertreatment), the conveying of radioactivity feed liquid is shifted and conventionally need to be completed with feeder pump.In the fill process of radioactivity feed liquid, because feeder pump need to directly contact with radioactivity feed liquid, therefore can make feeder pump be subject to radiocontamination and irradiation damage.In this case, in order to meet anti-radiation performance, the cost of feeder pump must be unprecedented soaring; Meanwhile, due to reasons such as the existence of radiation shield equipment and radiocontaminations, the replacing of feeder pump and maintenance also will be very difficult, and be unfavorable for operating personnel's radiation protection.
Based on above-mentioned present situation, in order to reduce costs, easy to use, improve operating personnel's radiation safety, therefore need the feed process of the radioactivity feed liquid of a kind of practicality of exploitation badly.
Summary of the invention
The defects such as the cost that existing radioactivity feed liquid feed process exists is high in order to solve, feeder pump replacing and maintenance difficult, operating personnel's radsafe is lower, the invention provides a kind of feed process of radioactivity feed liquid.
A feed process for radioactivity feed liquid, the method comprises the following steps:
(1) the non-container of putting is set, the non-interior splendid attire deionized water of container of putting;
(2) intermediate receptacle of sealing is set, bottom splendid attire deionized water in intermediate receptacle, top splendid attire organic solvent, described organic solvent density is not dissolved each other lower than water and with water;
(3) feed containers of sealing is set, splendid attire radioactivity feed liquid in feed containers, described radioactivity feed liquid is aqueous solution;
(4) feeder pump and pipeline are set, wherein, the non-deionized water of putting splendid attire in container is connected with the deionized water of bottom splendid attire in intermediate receptacle by the pipeline with feeder pump, makes the non-deionized water of putting splendid attire in container can be pressed into the bottom in intermediate receptacle by feeder pump; The organic solvent of intermediate receptacle internal upper part is connected with feed containers by pipeline, and while making the deionized water increase of bottom splendid attire in intermediate receptacle, organic solvent can be pressed into feed containers by intermediate receptacle internal upper part; Radioactivity feed liquid in feed containers is connected with treating apparatus for feeding by pipeline;
(5) open feeder pump, by non-, put the deionized water of splendid attire in container and be pressed into the bottom in intermediate receptacle, by the transmission of fluid pressure, complete the charging of radioactivity feed liquid.
Described organic solvent is preferably kerosene.
When radioactivity feed liquid is acid feed liquid, the described non-container of putting is preferably with the water in intermediate receptacle by the same acid substitution identical with radioactivity feed acidity.
When radioactivity feed liquid is only the salpeter solution of radiomaterial, described non-put container and water in intermediate receptacle by the nitric acid identical with radioactivity feed acidity instead of preferably.
The feed process of radioactivity feed liquid of the present invention has utilized the mutual insolubility between incompressibility and water and the non-polar organic solvent of liquid, has indirectly realized the quantitative feeding of radioactivity feed liquid by the transmission of fluid pressure.Adopt the feed process of radioactivity feed liquid of the present invention can make feeder pump cost significantly reduce, feeder pump is changed and is keeped in repair easily, and radsafe is good, the organic solvent, water, the acid that adopt can be reused, reduced the generation of radioactive waste, the equipment adopting is simple, easy operating.
Accompanying drawing explanation
The process diagram of the feed process of Fig. 1 radioactivity feed liquid of the present invention.
Reference numeral: 1. feed containers, 2. intermediate receptacle, 3. feeder pump, the 4. non-container of putting.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.
A feed process for radioactivity feed liquid, step is as follows:
(1) the non-container 4 of putting, the non-salpeter solution of putting the interior splendid attire 2mol/L of container 4 are set;
(2) intermediate receptacle 2 of sealing is set, the salpeter solution of the interior bottom of intermediate receptacle 2 splendid attire 2mol/L, top splendid attire kerosene;
(3) feed containers 1 of sealing is set, the interior splendid attire radioactivity of feed containers 1 feed liquid, the salpeter solution that described radioactivity feed liquid is uranium-bearing, its concentration of nitric acid is 2mol/L;
(4) feeder pump 3 and pipeline are set, wherein, the non-salpeter solution of putting container 4 interior splendid attires is connected with the salpeter solution of the interior bottom of intermediate receptacle 2 splendid attire by the pipeline with feeder pump 3, makes the non-salpeter solution of putting container 4 interior splendid attires can be pressed into the bottom in intermediate receptacle 2 by feeder pump 3; The kerosene of intermediate receptacle 2 internal upper parts is connected with feed containers 1 by pipeline, and while making the salpeter solution increase of the interior bottom of intermediate receptacle 2 splendid attire, kerosene can be pressed into feed containers 1 by intermediate receptacle 2 internal upper parts; Radioactivity feed liquid in feed containers 1 is connected with treating apparatus for feeding by pipeline;
(5) open feeder pump 3, the non-salpeter solution of putting container 4 interior splendid attires is pressed into the bottom in intermediate receptacle 2, by the transmission of fluid pressure, complete the charging of radioactivity feed liquid.
The feed rate that the present embodiment is set radioactivity feed liquid is 3mL/min, experimental period 6h, and in experimentation, in feed containers 1 and intermediate receptacle 2, two interphase interfaces are clear, and inlet amount error is about 1.6%.
A feed process for radioactivity feed liquid, step is as follows:
(1) the non-container 4 of putting is set, the non-interior splendid attire deionized water of container 4 of putting;
(2) intermediate receptacle 2 of sealing is set, the interior bottom of intermediate receptacle 2 splendid attire deionized water, top splendid attire kerosene;
(3) feed containers 1 of sealing is set, the interior splendid attire radioactivity of feed containers 1 feed liquid, described radioactivity feed liquid is neutral aqueous solution;
(4) feeder pump 3 and pipeline are set, wherein, the non-deionized water of putting container 4 interior splendid attires is connected with the deionized water of the interior bottom of intermediate receptacle 2 splendid attire by the pipeline with feeder pump 3, makes the non-deionized water of putting container 4 interior splendid attires can be pressed into the bottom in intermediate receptacle 2 by feeder pump 3; The kerosene of intermediate receptacle 2 internal upper parts is connected with feed containers 1 by pipeline, and while making the deionized water increase of the interior bottom of intermediate receptacle 2 splendid attire, kerosene can be pressed into feed containers 1 by intermediate receptacle 2 internal upper parts; Radioactivity feed liquid in feed containers 1 is connected with treating apparatus for feeding by pipeline;
(5) open feeder pump 3, the non-deionized water of putting container 4 interior splendid attires is pressed into the bottom in intermediate receptacle 2, by the transmission of fluid pressure, complete the charging of radioactivity feed liquid.
The feed rate that the present embodiment is set radioactivity feed liquid is 6mL/min, experimental period 6h, and in experimentation, in feed containers 1 and intermediate receptacle 2, two interphase interfaces are clear, and inlet amount error is about 1.5%.
Claims (4)
1. a feed process for radioactivity feed liquid, is characterized in that the method comprises the following steps:
(1) the non-container of putting is set, the non-interior splendid attire deionized water of container of putting;
(2) intermediate receptacle of sealing is set, bottom splendid attire deionized water in intermediate receptacle, top splendid attire organic solvent, described organic solvent density is not dissolved each other lower than water and with water;
(3) feed containers of sealing is set, splendid attire radioactivity feed liquid in feed containers, described radioactivity feed liquid is aqueous solution;
(4) feeder pump and pipeline are set, wherein, the non-deionized water of putting splendid attire in container is connected with the deionized water of bottom splendid attire in intermediate receptacle by the pipeline with feeder pump, makes the non-deionized water of putting splendid attire in container can be pressed into the bottom in intermediate receptacle by feeder pump; The organic solvent of intermediate receptacle internal upper part is connected with feed containers by pipeline, and while making the deionized water increase of bottom splendid attire in intermediate receptacle, organic solvent can be pressed into feed containers by intermediate receptacle internal upper part; Radioactivity feed liquid in feed containers is connected with treating apparatus for feeding by pipeline;
(5) open feeder pump, by non-, put the deionized water of splendid attire in container and be pressed into the bottom in intermediate receptacle, by the transmission of fluid pressure, complete the charging of radioactivity feed liquid.
2. the feed process of radioactivity feed liquid as claimed in claim 1, is characterized in that: described organic solvent is kerosene.
3. the feed process of radioactivity feed liquid as claimed in claim 1, is characterized in that: when radioactivity feed liquid is acid feed liquid, described non-put container with the water in intermediate receptacle by the same acid substitution identical with radioactivity feed acidity.
4. the feed process of radioactivity feed liquid as claimed in claim 1, is characterized in that: when radioactivity feed liquid is only the salpeter solution of radiomaterial, the described non-container of putting replaces by the nitric acid identical with radioactivity feed acidity with the water in intermediate receptacle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410004730.9A CN103745758B (en) | 2014-01-06 | 2014-01-06 | A kind of feed process of radioactivity feed liquid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410004730.9A CN103745758B (en) | 2014-01-06 | 2014-01-06 | A kind of feed process of radioactivity feed liquid |
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| CN103745758A true CN103745758A (en) | 2014-04-23 |
| CN103745758B CN103745758B (en) | 2016-03-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546350A (en) * | 2015-12-28 | 2016-05-04 | 中国原子能科学研究院 | Radioactive liquid delivery system and method |
| CN105928730A (en) * | 2016-04-19 | 2016-09-07 | 中国原子能科学研究院 | Apparatus and method for split charging of two-phase-coexisting sample in hot cell |
| CN114664471A (en) * | 2022-03-17 | 2022-06-24 | 中国原子能科学研究院 | Method for solidifying radioactive solid waste cement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546350A (en) * | 2015-12-28 | 2016-05-04 | 中国原子能科学研究院 | Radioactive liquid delivery system and method |
| CN105546350B (en) * | 2015-12-28 | 2019-01-29 | 中国原子能科学研究院 | A kind of radioactive liquid transportation system and method |
| CN105928730A (en) * | 2016-04-19 | 2016-09-07 | 中国原子能科学研究院 | Apparatus and method for split charging of two-phase-coexisting sample in hot cell |
| CN105928730B (en) * | 2016-04-19 | 2018-08-07 | 中国原子能科学研究院 | A kind of device and method for dispensing two-phase coexistent sample in hot cell |
| CN114664471A (en) * | 2022-03-17 | 2022-06-24 | 中国原子能科学研究院 | Method for solidifying radioactive solid waste cement |
| CN114664471B (en) * | 2022-03-17 | 2023-11-10 | 中国原子能科学研究院 | Method for solidifying cement by using radioactive solid waste |
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| CN103745758B (en) | 2016-03-30 |
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