SU277126A1 - The method of processing water nuclear reactor - Google Patents
The method of processing water nuclear reactorInfo
- Publication number
- SU277126A1 SU277126A1 SU903853A SU903853A SU277126A1 SU 277126 A1 SU277126 A1 SU 277126A1 SU 903853 A SU903853 A SU 903853A SU 903853 A SU903853 A SU 903853A SU 277126 A1 SU277126 A1 SU 277126A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- water
- ammonia
- nuclear reactor
- oxygen
- processing water
- Prior art date
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Description
Изобретение относитс к способам св зывани кислорода в воде первого контура дерного реактора. Кислород по вл етс в результате радиолиза воды под действием нейтронного облучени и вызывает коррозию конструкционных металлов.This invention relates to methods for combining oxygen in water in a primary circuit of a nuclear reactor. Oxygen appears as a result of the radiolysis of water under the action of neutron irradiation and causes corrosion of structural metals.
Известны способы обработки питательной воды первого контура дерного реактора аммиаком и гидразин-гидратом. Аммиак вводитс дл св зывани угольной кислоты (повышени рН), а гидразин-гидрат дл св зывани молекул рного кислорода, поступающего из воздуха. Вводимое количество реагентов, однако , не рассчитывалось на кислород, образующийс из воды в результате нейтронного облучени .Known methods of processing feed water of the primary circuit of the nuclear reactor with ammonia and hydrazine hydrate. Ammonia is introduced to bind carbonic acid (pH increase), and hydrazine is hydrated to bind molecular oxygen coming from the air. The amount of reactants entered, however, was not calculated on oxygen generated from water as a result of neutron irradiation.
Описываемый способ предусматривает введение в воду первого контура 1-2 мг аммиака на каждый литр воды. Аммиак предназначен дл св зывани атомарного кислорода, по вл ющегос под действием нейтронного облучени . Под действием облучени аммиак разлагаетс The described method involves the introduction into the water of the first circuit 1-2 mg of ammonia per liter of water. Ammonia is designed to bind atomic oxygen generated by neutron irradiation. Under the action of irradiation, ammonia decomposes
2NH3 N2 + ЗНг2NH3 N2 + NNg
с образованием водорода. Этого количества водорода (10-30 мл/литр воды) вполне достаточно дл св зывани атомарного кислорода . Раствор аммиака подаетс в трубопровод на всасе подпиточных насосов. Эти же насосы подают воду на всас главных циркул ционных насосов.with the formation of hydrogen. This amount of hydrogen (10-30 ml / liter of water) is sufficient to bind atomic oxygen. The ammonia solution is fed into the pipeline at the suction of the makeup pumps. These same pumps supply water to the suction of the main circulation pumps.
Если содерл ание аммиака в воде первого контура уменьшаетс до 0,2-0,3 мг/литр и ниже , то в воде по вл етс молекул рный кислород вследствие радиолиза воды. В таком случае, т. е. при по влении молекул рного кислорода , в трубопровод на всасе подпиточных насосов вводитс гиДразин-гндрат в количестве , превышающем вдвое содержание кислорода , т. е. на каждый миллиграмм молекул рного кислорода в .питре воды вводитс 1-2 иг гидразин-гидрата. По мере введени гидразингидрата последний соедин етс с кислородомIf the ammonia content in the water of the primary circuit is reduced to 0.2-0.3 mg / liter and lower, then molecular oxygen appears in the water due to the radiolysis of water. In this case, i.e. when molecular oxygen appears, hyDrazine-hydrate is introduced into the pipeline at the suction of the makeup pumps in an amount twice the oxygen content, i.e., for every milligram of molecular oxygen in the water. 2 ug hydrazine hydrate. As hydrazine hydrate is added, the latter combines with oxygen.
N2H4 + + 2n20.N2H4 + 2n20.
При понижении содержани кислорода в воде реактора до 0,05-0,01 мг/литр ввод гидразингидрата прекращаетс при непрерывном вводе аммиака.With a decrease in the oxygen content in the reactor water to 0.05-0.01 mg / liter, the hydrazine hydrate is stopped while the ammonia is continuously injected.
Таким образом, ввод гидразин-гидрата осуществл етс периодически, т. е. при обнаружении кислорода в воде первого контура, который попадает из воздуха или по вл етс при недостаточном количестве аммиака вследствие радиолиза воды.Thus, the hydrazine hydrate is introduced periodically, i.e., when oxygen is detected in the primary circuit water, which comes from the air or appears when there is insufficient ammonia due to radiolysis of the water.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU903853A SU277126A1 (en) | 1964-06-06 | 1964-06-06 | The method of processing water nuclear reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU903853A SU277126A1 (en) | 1964-06-06 | 1964-06-06 | The method of processing water nuclear reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU277126A1 true SU277126A1 (en) | 1977-04-05 |
Family
ID=20437948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU903853A SU277126A1 (en) | 1964-06-06 | 1964-06-06 | The method of processing water nuclear reactor |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU277126A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4820473A (en) * | 1984-11-06 | 1989-04-11 | Hitachi, Ltd. | Method of reducing radioactivity in nuclear plant |
| US5315626A (en) * | 1991-08-09 | 1994-05-24 | Techno-Invest Entwicklung Von Technologien Gmbh | Method for treating the primary cooling medium of a pressurized water nuclear reactor |
| RU2450376C1 (en) * | 2011-02-21 | 2012-05-10 | Федеральное государственное унитарное предприятие "Научно-исследовательский технологический институт имени А.П. Александрова" | Method to maintain water-chemical mode of nuclear power plant |
-
1964
- 1964-06-06 SU SU903853A patent/SU277126A1/en active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4820473A (en) * | 1984-11-06 | 1989-04-11 | Hitachi, Ltd. | Method of reducing radioactivity in nuclear plant |
| US5315626A (en) * | 1991-08-09 | 1994-05-24 | Techno-Invest Entwicklung Von Technologien Gmbh | Method for treating the primary cooling medium of a pressurized water nuclear reactor |
| RU2450376C1 (en) * | 2011-02-21 | 2012-05-10 | Федеральное государственное унитарное предприятие "Научно-исследовательский технологический институт имени А.П. Александрова" | Method to maintain water-chemical mode of nuclear power plant |
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