CN109473190A - A kind of secondary neutron source rod reducing tritium discharge - Google Patents
A kind of secondary neutron source rod reducing tritium discharge Download PDFInfo
- Publication number
- CN109473190A CN109473190A CN201811444024.0A CN201811444024A CN109473190A CN 109473190 A CN109473190 A CN 109473190A CN 201811444024 A CN201811444024 A CN 201811444024A CN 109473190 A CN109473190 A CN 109473190A
- Authority
- CN
- China
- Prior art keywords
- neutron source
- tritium
- secondary neutron
- source rod
- end plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 title claims abstract description 88
- 229910052722 tritium Inorganic materials 0.000 title claims abstract description 88
- 239000000463 material Substances 0.000 claims abstract description 66
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000005253 cladding Methods 0.000 claims abstract description 53
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 27
- 238000007747 plating Methods 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims abstract description 20
- 238000000576 coating method Methods 0.000 claims abstract description 20
- 229910001093 Zr alloy Inorganic materials 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 11
- 239000002356 single layer Substances 0.000 claims description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000012946 outsourcing Methods 0.000 claims description 2
- 239000011257 shell material Substances 0.000 claims description 2
- 239000002826 coolant Substances 0.000 abstract description 7
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/20—Arrangements for introducing objects into the pressure vessel; Arrangements for handling objects within the pressure vessel; Arrangements for removing objects from the pressure vessel
- G21C19/22—Arrangements for obtaining access to the interior of a pressure vessel whilst the reactor is operating
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21G—CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES
- G21G4/00—Radioactive sources
- G21G4/02—Neutron sources
-
- 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
Abstract
The present invention provides a kind of secondary neutron source rod of reduction tritium discharge, it is characterized in that, the coating resistance tritium coating on the cladding tubes of the secondary neutron source rod, or placing nickel plating to inhale tritium material or the interior cladding materials in the cladding tubes is zircaloy, above-mentioned three kinds of modes also can be used in combination.The tritium that itself is generated can be deposited in stick by secondary neutron source rod provided by the invention, and tritium discharge amount is effectively reduced, and reduce the tritium level in coolant, mitigate environmental pollution.
Description
Technical field
The present invention relates to a kind of secondary neutron source rods of reduction tritium discharge.
Background technique
The main function of secondary neutron source rod is that the secondary neutron source by being loaded in stick is filled in the fuel of following cycle
Carry, shutdown and the reactor cores neutron flux such as critical it is lesser during, provide a primary neutron level for ex-core instrumentation.
In the starting of first reactor core, primary neutron level is provided by primary neutron source.Secondary neutron source rod can be inserted separately into fuel assembly
It uses, can also be fitted into secondary neutron source component and use.Secondary neutron source component is usually by compacting part underhung secondary
Component stick and resistance stopper or other associated component sticks composition.When reactor operation, secondary neutron source rod is inserted in fuel assembly
Fixed, usually secondary source rod is inserted in fuel assembly guide pipe.
Nuclear reactor secondary neutron source rod structure is substantially similar in the world, including single layer involucrum secondary neutron source rod and bilayer
Two kinds of involucrum secondary neutron source rod is made of single or double layer cladding tubes cladding secondary neutron source respectively, and both ends are close by end plug
Envelope.Now widely used secondary neutron source is Sb-Be material, reacts given-ioff neutron by Be (γ, n).Stable isotope Sb
Sb-122 and Sb-124 is generated by neutron irradiation under reactor core normal operation, the decay of Sb-122 and Sb-124 generate gamma-ray
Ray provides gamma-rays for Be (γ, n) reaction.Secondary neutron source rod would generally use multiple circulations in nuclear reactor, by heap
The material of the influence of core use environment and service life, cladding tubes and end plug is usually stainless steel.Secondary neutron source component knot
As shown in figure 1 and 2, secondary neutron source rod is as shown in figures 3 and 4 for structure.
Sb-Be material can generate tritium after reacting in-pile irradiation, and tritium permeates in Stainless Steel Cladding used at present
It measures very high, it is easy to enter coolant across cladding tubes.Radioactivity tritium is entered by cladding tubes will cause coolant in coolant
Pollution, tritium once enter coolant, because it is almost the same with ordinary hydrogen in physics and chemically, are difficult to remove, can be with anti-
Waste water or steam waste discharge in heap is answered to cause environmental pollution to outside.
Therefore, how to provide it is a kind of the tritium that itself is generated can be deposited in stick, be effectively reduced tritium discharge amount, reduce cooling
Tritium level in agent, the secondary neutron source rod for mitigating environmental pollution become urgent problem to be solved.
Summary of the invention
In view of the deficiencies of the prior art, the present invention proposes a kind of secondary neutron source rods of reduction tritium discharge, which is characterized in that
Coating hinders tritium coating or places nickel plating in the cladding tubes and inhales tritium material or make on the cladding tubes of the secondary neutron source rod
With zircaloy inner envelope pipe.The preferred secondary neutron source rod for reducing tritium discharge, which is characterized in that in the secondary
Component stick is single layer involucrum secondary neutron source rod, is made of cladding tubes cladding secondary neutron source material, the cladding tubes
Both ends are sealed by the first end plug and the second end plug, and the resistance tritium coating is coated on the cladding tubes.
The preferred secondary neutron source rod for reducing tritium discharge, which is characterized in that the secondary neutron source rod is double
Layer involucrum secondary neutron source rod, the cladding tubes include interior involucrum and outer envelope, coat secondary neutron source material by the interior involucrum
Material, both ends are sealed by third end plug and the 4th end plug, and outside coats one layer of outer envelope again, and the outer envelope both ends pass through
First end plug and the sealing of the second end plug, coat the resistance tritium coating on the interior involucrum.
The secondary neutron source rod for reducing tritium discharge, which is characterized in that the resistance tritium coating material is
Cr2O3、Al2O3、ZrO2, SiC or other materials with Tritium Resistivity.
The preferred secondary neutron source rod for reducing tritium discharge, which is characterized in that the secondary neutron source rod is double
Layer involucrum secondary neutron source rod, the cladding tubes include interior involucrum and outer envelope, coat secondary neutron source material by the interior involucrum
Material, both ends are sealed by third end plug and the 4th end plug, and outside coats one layer of outer envelope again, and the outer envelope both ends pass through
First end plug and the sealing of the second end plug, the interior cladding materials are zircaloy, and the outsourcing shell material is stainless steel.
The preferred secondary neutron source rod for reducing tritium discharge, which is characterized in that the secondary neutron source rod is single
Layer involucrum secondary neutron source rod is made of cladding tubes cladding secondary neutron source material, and the both ends of the cladding tubes pass through the
One end plug and the sealing of the second end plug place the nickel plating in the cladding tubes and inhale tritium material, and tritium material is inhaled in the nickel plating to be put
It sets above or below the secondary neutron source material.
The preferred secondary neutron source rod for reducing tritium discharge, which is characterized in that the secondary neutron source rod is double
Layer involucrum secondary neutron source rod, the cladding tubes include interior involucrum and outer envelope, coat secondary neutron source material by the interior involucrum
Material, both ends are sealed by third end plug and the 4th end plug, and outside coats one layer of outer envelope again, and the outer envelope both ends pass through
First end plug and the sealing of the second end plug, the nickel plating is placed in the outer envelope or interior cladding tubes and inhales tritium material.
The preferred secondary neutron source rod for reducing tritium discharge, which is characterized in that tritium material is inhaled in the nickel plating to be set
It is placed between the outer envelope and the interior involucrum, is located above or below the interior involucrum.
The preferred secondary neutron source rod for reducing tritium discharge, which is characterized in that tritium material is inhaled in the nickel plating to be set
It is placed in the interior involucrum, is located above or below the secondary neutron source material.
Compared with prior art, the invention has the following advantages: secondary neutron source rod provided by the invention can incite somebody to action oneself
The tritium that body generates is deposited in stick, and tritium discharge amount is effectively reduced, and reduces the tritium level in coolant, mitigates environmental pollution.
Detailed description of the invention
Fig. 1 is one of the schematic diagram of secondary neutron source component structure in the prior art.
Fig. 2 is the two of the schematic diagram of secondary neutron source component structure in the prior art.
Fig. 3 is a kind of cross-sectional view of single layer secondary neutron source rod for reducing tritium discharge provided by the invention.
Fig. 4 is a kind of cross-sectional view of secondary neutron source rod of bilayer for reducing tritium discharge provided by the invention.
1- compacting part；2- resistance stopper；3- secondary neutron source rod；4- connection handle；The first end plug of 5-；6- cladding tubes；61-
Outer envelope；7- secondary neutron source material；The second end plug of 8-；9- third end plug；Involucrum in 10-；The 4th end plug of 11-；12- nickel plating is inhaled
Tritium material.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Secondary neutron source rod can be used individually in reactor, can also be loaded in secondary neutron source component and be used, such as Fig. 1
Shown in 2, secondary neutron source component by compacting part 1 or 4 underhung secondary neutron source rod 3 of connection handle and resistance stopper 2 or
Other associated component sticks composition.
The object of the present invention is to provide the secondary neutron source rods that one kind can reduce tritium discharge, by promoting secondary neutron source
The resistance tritium-permeation performance of stick cladding tubes or in cladding tubes place inhale tritium material the tritium generated in stick is stayed in stick, to subtract
Few tritium discharge, specifically includes three kinds of schemes: the coating resistance tritium coating on secondary neutron source rod cladding tubes；Using involucrum in zircaloy
Pipe；Nickel plating is placed in cladding tubes inhales tritium material.
Specifically, the secondary neutron source rod that one kind provided by the invention can reduce tritium discharge includes following embodiment.
1) the coating resistance tritium coating on secondary neutron source rod cladding tubes
Single layer involucrum secondary neutron source rod forms as shown in figure 3, coating secondary neutron source material 7 by cladding tubes 6, cladding tubes
6 both ends are sealed by the first end plug 5 and the second end plug 8.
The double-deck involucrum secondary neutron source rod is as shown in figure 4, coat secondary neutron source material 7 by interior involucrum 10, both ends pass through
Third end plug and the sealing of the 4th end plug 9 and 11, outside coat one layer of outer envelope 61 again, and 61 both ends of outer envelope pass through the first end plug 5
It is sealed with the second end plug 8.The material of outer envelope 61 and 10 and end plug 5,8,9,11 is stainless steel.
One layer of tritium permeation barrier is coated in the present invention on the outer envelope 61 of secondary neutron source rod 3 or interior involucrum 10, with
Reduce the permeability of tritium.Resistance tritium coating material is Cr2O3、Al2O3、ZrO2, SiC or other materials with Tritium Resistivity.Hinder tritium
Coating can be coated on inner surface or the outer surface of cladding tubes 61 or interior involucrum 10.
2) using cladding tubes in zircaloy
For secondary neutron source rod of the present invention as shown in figure 4, coating secondary neutron source material 7 by interior involucrum 10, both ends pass through the
Three end plugs 9 and the sealing of the 4th end plug 11, interior 10 material of involucrum are zircaloy, and the material of end plug 9 and 11 is also zircaloy.It wraps again outside
Cover one layer of outer envelope 61,61 both ends of outer envelope are sealed by the first end plug 5 and the second end plug 8, outer envelope 61 and end plug 5 and 8
Material is stainless steel.The outer diameter of involucrum 10 is 5~9mm in zircaloy, and wall thickness is 0.1~2mm.
3) nickel plating is placed in cladding tubes inhale tritium material
Single layer involucrum secondary neutron source rod of the present invention forms as shown in figure 3, coating secondary neutron source material 7 by cladding tubes 6,
6 both ends of cladding tubes are sealed by the first end plug 5 and the second end plug 8, in cladding tubes 6, are placed nickel plating and are inhaled tritium material 12.Nickel plating is inhaled
Tritium material 12 can be placed in above or below secondary neutron source material 7.The matrix that tritium material 12 is inhaled in nickel plating is zircaloy, surface
Nickel plating, nickel plating layer thick are 5~20 μm.It is tubular or other shapes that tritium material 12 is inhaled in nickel plating.
The double-deck involucrum secondary neutron source rod is as shown in figure 4, coat secondary neutron source material 7 by interior involucrum 10, both ends pass through
End plug 9 and 11 seals, and outside coats one layer of outer envelope 61 again, and 61 both ends of outer envelope are close by the first end plug 5 and the second end plug 8
Envelope.Tritium material 12 is inhaled in nickel plating may be disposed between outer envelope 6 and interior involucrum 10, be located above or below interior involucrum.Tritium is inhaled in nickel plating
Material 12 may also set up in interior involucrum 10, be located above or below secondary neutron source material 7.
Compared with prior art, the invention has the following advantages: in the secondary provided by the invention for reducing tritium discharge
The tritium that itself is generated can be deposited in stick by component stick, and tritium discharge amount is effectively reduced, and reduce the tritium level in coolant, mitigate ring
Border pollution.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For system disclosed in embodiment
For, due to corresponding to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
Those skilled in the art can use different methods to achieve the described function each specific application, but
It is that such implementation should not be considered as beyond the scope of the present invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from spirit of the invention to invention
And range.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies range it
Interior, then the invention is also intended to include including these modification and variations.
Claims (10)
1. a kind of secondary neutron source rod for reducing tritium discharge, which is characterized in that applied on the cladding tubes of the secondary neutron source rod
It covers resistance tritium coating or places nickel plating in the cladding tubes of the secondary neutron source rod and inhale tritium material or in the secondary neutron source rod
It is interior to be applied in combination using zircaloy inner envelope pipe or above scheme.
2. reducing the secondary neutron source rod of tritium discharge as described in claim 1, which is characterized in that the secondary neutron source rod is
Single layer involucrum secondary neutron source rod is made of cladding tubes cladding secondary neutron source material, and the both ends of the cladding tubes pass through
First end plug and the sealing of the second end plug, coat the resistance tritium coating on the cladding tubes.
3. reducing the secondary neutron source rod of tritium discharge as described in claim 1, which is characterized in that the secondary neutron source rod is
The double-deck involucrum secondary neutron source rod, the cladding tubes include interior involucrum and outer envelope, coat secondary neutron source by the interior involucrum
Material, both ends are sealed by third end plug and the 4th end plug, and outside coats one layer of outer envelope again, and the outer envelope both ends are logical
The first end plug and the sealing of the second end plug are crossed, the resistance tritium coating is coated on the interior involucrum.
4. the secondary neutron source rod for reducing tritium discharge as claimed in claims 3 and 4, which is characterized in that the resistance tritium coating material
Material is Cr2O3、Al2O3、ZrO2, SiC or other materials with Tritium Resistivity.
5. reducing the secondary neutron source rod of tritium discharge as described in claim 1, which is characterized in that the secondary neutron source rod is
The double-deck involucrum secondary neutron source rod, the cladding tubes include interior involucrum and outer envelope, coat secondary neutron source by the interior involucrum
Material, both ends are sealed by third end plug and the 4th end plug, and outside coats one layer of outer envelope again, and the outer envelope both ends are logical
The first end plug and the sealing of the second end plug are crossed, the interior cladding materials is zircaloy, and the outsourcing shell material is stainless steel.
6. reducing the secondary neutron source rod of tritium discharge as described in claim 1, which is characterized in that the secondary neutron source rod is
Single layer involucrum secondary neutron source rod is made of cladding tubes cladding secondary neutron source material, and the both ends of the cladding tubes pass through
First end plug and the sealing of the second end plug place the nickel plating in the cladding tubes and inhale tritium material, and tritium material is inhaled in the nickel plating can
It is placed on above or below the secondary neutron source material.
7. reducing the secondary neutron source rod of tritium discharge as described in claim 1, which is characterized in that the secondary neutron source rod is
The double-deck involucrum secondary neutron source rod, the cladding tubes include interior involucrum and outer envelope, coat secondary neutron source by the interior involucrum
Material, both ends are sealed by third end plug and the 4th end plug, and outside coats one layer of outer envelope again, and the outer envelope both ends are logical
The first end plug and the sealing of the second end plug are crossed, the nickel plating is placed in the outer envelope or interior cladding tubes and inhales tritium material.
8. reducing the secondary neutron source rod of tritium discharge as claimed in claim 7, which is characterized in that tritium material is inhaled in the nickel plating can
It is set between the outer envelope and the interior involucrum, is located above or below the interior involucrum.
9. reducing the secondary neutron source rod of tritium discharge as claimed in claim 7, which is characterized in that tritium material is inhaled in the nickel plating can
It is set in the interior involucrum, is located above or below the secondary neutron source material.
10. reducing the secondary neutron source rod of tritium discharge as claimed in claim 7, which is characterized in that tritium material is inhaled in the nickel plating
Matrix be zircaloy, plating nickel on surface, nickel plating layer thick be 5~20 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811444024.0A CN109473190A (en) | 2018-11-29 | 2018-11-29 | A kind of secondary neutron source rod reducing tritium discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811444024.0A CN109473190A (en) | 2018-11-29 | 2018-11-29 | A kind of secondary neutron source rod reducing tritium discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109473190A true CN109473190A (en) | 2019-03-15 |
Family
ID=65673642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811444024.0A Pending CN109473190A (en) | 2018-11-29 | 2018-11-29 | A kind of secondary neutron source rod reducing tritium discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109473190A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111667939A (en) * | 2020-05-19 | 2020-09-15 | 上海核工程研究设计院有限公司 | Reactor core assembly and system for producing carbon-14 isotopes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279700A (en) * | 1976-11-15 | 1981-07-21 | Westinghouse Electric Corp. | Tritium removal and retention device |
| US4526741A (en) * | 1983-06-10 | 1985-07-02 | The United States Of America As Represented By The United States Department Of Energy | Fuel assembly for the production of tritium in light water reactors |
| US4609524A (en) * | 1983-11-16 | 1986-09-02 | Westinghouse Electric Corp. | Nuclear reactor component rods and method of forming the same |
| US4996020A (en) * | 1988-09-21 | 1991-02-26 | Hitachi, Ltd. | A system for restraining diffusion of tritium |
| CN1083128A (en) * | 1992-08-20 | 1994-03-02 | 中国原子能科学研究院 | The manufacture craft of material preventing tritium diffusion to stainless steel |
| JP2002168983A (en) * | 2000-11-30 | 2002-06-14 | Mitsubishi Heavy Ind Ltd | Method of manufacturing control rod for pressurized water reactor |
| CN106782714A (en) * | 2017-01-10 | 2017-05-31 | 上海核工程研究设计院 | A kind of interpolation type neutron-absorbing component for irradiated fuel assembly |
| CN209374067U (en) * | 2018-11-29 | 2019-09-10 | 上海核工程研究设计院有限公司 | A kind of secondary neutron source rod reducing tritium discharge |
-
2018
- 2018-11-29 CN CN201811444024.0A patent/CN109473190A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279700A (en) * | 1976-11-15 | 1981-07-21 | Westinghouse Electric Corp. | Tritium removal and retention device |
| US4526741A (en) * | 1983-06-10 | 1985-07-02 | The United States Of America As Represented By The United States Department Of Energy | Fuel assembly for the production of tritium in light water reactors |
| US4609524A (en) * | 1983-11-16 | 1986-09-02 | Westinghouse Electric Corp. | Nuclear reactor component rods and method of forming the same |
| US4996020A (en) * | 1988-09-21 | 1991-02-26 | Hitachi, Ltd. | A system for restraining diffusion of tritium |
| CN1083128A (en) * | 1992-08-20 | 1994-03-02 | 中国原子能科学研究院 | The manufacture craft of material preventing tritium diffusion to stainless steel |
| JP2002168983A (en) * | 2000-11-30 | 2002-06-14 | Mitsubishi Heavy Ind Ltd | Method of manufacturing control rod for pressurized water reactor |
| CN106782714A (en) * | 2017-01-10 | 2017-05-31 | 上海核工程研究设计院 | A kind of interpolation type neutron-absorbing component for irradiated fuel assembly |
| CN209374067U (en) * | 2018-11-29 | 2019-09-10 | 上海核工程研究设计院有限公司 | A kind of secondary neutron source rod reducing tritium discharge |
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| Title |
|---|
| 陈济东主编: "《大亚湾核电站系统及运行 中册（第1版）》", 31 May 1998, 原子能出版社, pages: 103 - 108 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111667939A (en) * | 2020-05-19 | 2020-09-15 | 上海核工程研究设计院有限公司 | Reactor core assembly and system for producing carbon-14 isotopes |
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