KR840007790A - Nuclear fuel assemblies coated with flammable neutron absorbers - Google Patents

Nuclear fuel assemblies coated with flammable neutron absorbers Download PDF

Info

Publication number
KR840007790A
KR840007790A KR1019840000825A KR840000825A KR840007790A KR 840007790 A KR840007790 A KR 840007790A KR 1019840000825 A KR1019840000825 A KR 1019840000825A KR 840000825 A KR840000825 A KR 840000825A KR 840007790 A KR840007790 A KR 840007790A
Authority
KR
South Korea
Prior art keywords
combustible
layer
coated
coating layer
fuel assembly
Prior art date
Application number
KR1019840000825A
Other languages
Korean (ko)
Other versions
KR910005068B1 (en
Inventor
첩(외 2) 월스톤
Original Assignee
알. 엘. 레인하트
웨스팅하우스 일렉트릭 코오포레이숀
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US06/468,743 external-priority patent/US4582676A/en
Priority claimed from US06/468,788 external-priority patent/US4587087A/en
Application filed by 알. 엘. 레인하트, 웨스팅하우스 일렉트릭 코오포레이숀 filed Critical 알. 엘. 레인하트
Publication of KR840007790A publication Critical patent/KR840007790A/en
Application granted granted Critical
Publication of KR910005068B1 publication Critical patent/KR910005068B1/en

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/42—Selection of substances for use as reactor fuel
    • G21C3/58—Solid reactor fuel Pellets made of fissile material
    • G21C3/62—Ceramic fuel
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/02—Fuel elements
    • G21C3/04—Constructional details
    • G21C3/16—Details of the construction within the casing
    • G21C3/20—Details of the construction within the casing with coating on fuel or on inside of casing; with non-active interlayer between casing and active material with multiple casings or multiple active layers
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/02—Control of nuclear reaction by using self-regulating properties of reactor materials, e.g. Doppler effect
    • G21C7/04—Control of nuclear reaction by using self-regulating properties of reactor materials, e.g. Doppler effect of burnable poisons
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

내용 없음.No content.

Description

가연성 중성자 흡수재가 피복된 핵 연료 집합체Nuclear fuel assemblies coated with flammable neutron absorbers

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 가연성 흡수재가 피복된 핵 연료 펠릿을 가진 핵 연료봉의 종단면도.1 is a longitudinal sectional view of a nuclear fuel rod having nuclear fuel pellets coated with a combustible absorbent material of the present invention.

제2도는 제1도의 선 II-II의 종단면도.2 is a longitudinal sectional view of the line II-II of FIG.

제3도는 제1도의 핵연료봉의 핵 연료 펠릿에 하부 피복층을 더한 것을 보여준 도면.FIG. 3 shows the addition of a lower coating layer to the nuclear fuel pellets of the fuel rods of FIG. 1. FIG.

제4도는 제3도의 선IV-IV을 따른 횡단면도.4 is a cross sectional view along line IV-IV of FIG. 3;

Claims (12)

핵분열 가능 물질을 가진 핵 연료기부(26)와, 기부(26)의 적어도 일부를 덮는 가연성 흡수재를 포함한 층(30)과, 상부 피복층(32)으로 구성되고, 상부 피복층(32)이 리액터 겸용의 비 가습성 재료를 포함하고, 가연성 흡수재층(30)에 직접 피복되고 부착되는 것을 특징으로 하는 가연성 흡수재가 피복된 핵연료 집합체A nuclear fuel base 26 having a nuclear fissable material, a layer 30 including a flammable absorber covering at least a portion of the base 26, and an upper coating layer 32, wherein the upper coating layer 32 is a reactor-compatible material. A fuel assembly coated with a combustible absorbent material comprising a non-humidible material and characterized by being directly coated and attached to the combustible absorbent layer 30. 제1항에 있어서, 상기 펠릿 기부(26)는 본질적으로 이산화 우라늄을 포함하고, 가연성 흡수재층(30)은 보론 함유재료를 포함하는 것을 특징으로 한 가연성 중성자 흡수재가 피복된 핵연료 집합체.The fuel assembly of claim 1, wherein the pellet base (26) comprises essentially uranium dioxide and the combustible absorber layer (30) comprises a boron-containing material. 제1항 또는 2항에 있어서, 가연성 흡수재층(30)은 본질적으로 보론을 포함하고, 직접 기부(25)에 부착되는 특징으로 한 가연성 중성자 흡수재가 픽복된 핵 연료 집합체.3. A nuclear fuel assembly according to claim 1 or 2, wherein the combustible absorber layer (30) comprises essentially boron and is attached directly to the base (25). 제1항 또는 2항에 있어서, 하부 피복층(28)은 니오비움을 포함하고, 부착된 펠릿기부(26)와가 연성중성자 흡수재층(30) 사이에 배치되었으며, 가연성 중성자 흡수재층(30)은 지르코늄 디보라이드를 본질적으로 포함한 것을 특징으로 한 가연성 중성자 흡수재가 피복된 핵연료 집합체.The lower coating layer (28) according to claim 1 or 2, wherein the lower coating layer (28) comprises niobium and is disposed between the attached pellet base portion (26) and the neutron absorber layer (30), and the combustible neutron absorber layer (30) is zirconium A fuel assembly coated with a combustible neutron absorbent, characterized in that it comprises essentially diboride. 제4항에 있어서, 하부피복층(28)은 본질적으로 니오비움을 포함한 것을 특징으로 한 가연성 중성자 흡수재가 피복된 핵연료 집합체.5. A fuel assembly coated with a combustible neutron absorber according to claim 4, characterized in that the lower coating layer (28) comprises essentially niobium. 제4항 또는 5항에 있어서, 하부피복층(28)은 3미크론에서 6미크론 사이의 두께를 가진 것을 특징으로 한 가연성 중성자 흡수재가 피복된 핵연료 집합체.6. A fuel assembly coated with a combustible neutron absorber according to claim 4 or 5, characterized in that the lower coating layer (28) has a thickness of between 3 microns and 6 microns. 제1항부터 제6항까지의 어느 한 항에 있어서, 상부 피복층(32)은 본질적으로 니오비움을 포함한 것을 특징으로 한 가연성 중성자 흡수재가 피복된 핵연료 집합체.7. A fuel assembly coated with a combustible neutron absorber according to any one of claims 1 to 6, characterized in that the top coating layer (32) comprises essentially niobium. 제1항 부터 제7항까지의 어느 한 항에 있어서, 펠릿 기부(26)는 8밀리미터의 직경과 12밀리 미터의 길이를 가진 원통형의 모양을 가졌고, 가연성 흡수재층(30)은 8미크론에서 16미크론 사이의 두께를 가졌고, 상부 피복층(32) 은 2미크론에서 6미크론 사이의 두께를 가진 것을 특징으로 한 가연성 중성자 흡수재기 피복된 핵 연료 집합체.8. The pellet base 26 has a cylindrical shape with a diameter of 8 millimeters and a length of 12 millimeters, and the layer of combustible absorbent material 30 is 16 to 8 microns. A combustible neutron absorber coated nuclear fuel assembly having a thickness between microns and an upper cladding layer 32 having a thickness between 2 microns and 6 microns. 제1항 부터 제8항까지의 어느 한 항에 있어서, 가연성 중성자 흡수재가 피복된 핵 연료를 가진 연료봉을 포함한 가연성 중성시 흡수재가 피복된 핵연료 집합체.The fuel assembly of any one of claims 1 to 8, wherein the combustible neutral absorber is coated with a combustible neutron absorber including a fuel rod having a nuclear fuel coated therewith. 가연성 독물을 포함한 지르코늄 디보라이드로 이산화우라늄 함유 핵 연료 몸체를 피복하기 위한 방법으로서, 핵연료 몸체의 적어도 일부에 니오비움을 포함한 피복층을 처음에 부착가능하게 침전하고, 그리고 가연성 독물의 일층을 부착가능하게 니오비움을 포함한 피복층의 적어도 일부분 상에 화학적 증기 침전법으로 침전하는 단계로 구성되는 이산화 우라늄 함유 핵연료 몸체를 가연성 독물을 포함한 지르코늄 디보라이드로 피복하기 위한 방법.A method for covering a uranium dioxide-containing nuclear fuel body with zirconium diboride containing a flammable poison, the method comprising initially depositing a coating layer comprising niobium on at least a portion of the nuclear fuel body and attaching one layer of the flammable poison A method for coating a uranium dioxide-containing fuel body with zirconium diboride containing flammable poisons, the method comprising depositing at least a portion of the coating layer comprising niobium by chemical vapor precipitation. 제10항에 있어서, 니오비움을 포함한 층은 본질적으로 화학적 증기 침전법으로 침전된 니오비움을 포함한 것을 특징으로 한 이산화 우라늄 함유 핵연료 몸체를 가연성 독물을 포함한 지르코늄 디보라이드로 피복하기 위한 방법.11. The method of claim 10, wherein the layer comprising niobium comprises niobium precipitated by chemical vapor precipitation essentially with zirconium diboride containing flammable poisons. 제10항 또는 제11항에 있어서, 가연성 독물 포함층이 본질적으로 지르코늄 디보라이드로 구성되는 것을 특징으로 한 이산화 우라늄 함유핵 연료 몸체를 가연성 독물을 포함한 지르코늄 디보라이드로 피복하기 위한 방법.12. The method of claim 10 or 11, wherein the combustible poison containing layer consists essentially of zirconium diboride and the uranium dioxide containing nuclear fuel body is coated with zirconium diboride containing combustible poisons. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019840000825A 1983-02-22 1984-02-21 Coating a uranium dioxied nuclear fuel with a zirconium diboride burnable poison KR910005068B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US468788 1983-02-22
US06/468,743 US4582676A (en) 1983-02-22 1983-02-22 Coating a uranium dioxide nuclear fuel with a zirconium diboride burnable poison
US06/468,788 US4587087A (en) 1983-02-22 1983-02-22 Burnable absorber coated nuclear fuel
US468743 1983-02-22

Publications (2)

Publication Number Publication Date
KR840007790A true KR840007790A (en) 1984-12-10
KR910005068B1 KR910005068B1 (en) 1991-07-22

Family

ID=27042518

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840000825A KR910005068B1 (en) 1983-02-22 1984-02-21 Coating a uranium dioxied nuclear fuel with a zirconium diboride burnable poison

Country Status (6)

Country Link
KR (1) KR910005068B1 (en)
CH (1) CH664036A5 (en)
DE (1) DE3402192A1 (en)
FR (1) FR2541495B1 (en)
GB (2) GB2137012B (en)
SE (1) SE458810B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626404A (en) * 1983-12-21 1986-12-02 Westinghouse Electric Corp. Annular burnable absorber rod
GB8802419D0 (en) * 1988-02-03 1988-03-02 British Nuclear Fuels Plc Fuel elements containing burnable poison
US5147598A (en) * 1990-01-16 1992-09-15 Westinghouse Electric Corp. Nuclear reactor core having nuclear fuel and composite burnable absorber arranged for power peaking and moderator temperature coefficient control
US5075075A (en) * 1990-01-16 1991-12-24 Westinghouse Electric Corp. Nuclear reactor core having nuclear fuel and composite burnable absorber arranged for power peaking and moderator temperature coefficient control
DE19636563C1 (en) * 1996-09-09 1998-03-26 Siemens Ag Nuclear reactor fuel assemblies with high burn-up and process for their production
US11289213B2 (en) * 2017-08-31 2022-03-29 Westinghouse Electric Company Llc Control rods for light water reactors

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB933500A (en) * 1960-08-23 1963-08-08 Nuclear Materials & Equipment Nuclear fuel element
BE653174A (en) * 1963-10-21 1965-03-17
US3427222A (en) * 1965-10-15 1969-02-11 Westinghouse Electric Corp Nuclear fuel elements
SE327763B (en) * 1967-05-26 1970-08-31 Asea Ab
US3625821A (en) * 1968-06-26 1971-12-07 Westinghouse Electric Corp Fuel-element coating containing burnable poison
GB1507487A (en) * 1974-06-24 1978-04-12 Gen Electric Nuclear fuel element

Also Published As

Publication number Publication date
GB8616520D0 (en) 1986-08-13
FR2541495B1 (en) 1988-04-22
GB2137012A (en) 1984-09-26
KR910005068B1 (en) 1991-07-22
SE8400596D0 (en) 1984-02-06
GB2137012B (en) 1987-06-24
CH664036A5 (en) 1988-01-29
SE458810B (en) 1989-05-08
FR2541495A1 (en) 1984-08-24
GB2177250A (en) 1987-01-14
SE8400596L (en) 1984-08-23
GB8402535D0 (en) 1984-03-07
DE3402192A1 (en) 1984-08-23
GB2177250B (en) 1987-12-31

Similar Documents

Publication Publication Date Title
KR860006793A (en) Nuclear fuel cladding
KR830008337A (en) Display Servo for Mechanical Spectrum Change Furnace
SE8301770L (en)
KR880005625A (en) Nuclear fuel
KR850003810A (en) Reactor element rods
KR870000712A (en) Method of coating neutron absorber on inner surface of metal tube
KR840007790A (en) Nuclear fuel assemblies coated with flammable neutron absorbers
KR870002602A (en) On-length control rod using lateral heterogeneous absorbent material for zero reactivity redistribution factor
KR880013175A (en) Zirconium-coated pressurized water reactor fuels
KR850001617A (en) How to coat flammable poisons in nuclear fuel
KR910001788A (en) Alloy Coated Fuel Cladding
ES8703040A1 (en) A nuclear reactor control rod having a reduced worth tip.
KR900019056A (en) Nuclear fuel coated with a flammable absorber
KR840004598A (en) Nuclear fuel rods with high uranium availability
KR970060252A (en) Nuclear fuel pellets
KR840007792A (en) Reactor Raw Material Assembly
KR890004338A (en) Absence of flammable toxic coating
IT8419596A0 (en) METHOD OF COATING A NUCLEAR FUEL WITH URANIUM DIOXIDE WITH A BURNABLE POISON OF ZIRCONIUM DIBOride AND NUCLEAR FUEL COATED BY SUCH METHOD.
KR840001371A (en) Fissile Nuclear Fuel Assembly for Incomplete Slow Reactor
DE68916098D1 (en) Nuclear reactor control rod with encapsulated neutron absorber.
KR860007670A (en) Male Reactor Fuel Cladding
JPS54159591A (en) Nuclear fuel rod
SE8306575D0 (en) Nuclear Reactor Fuel Rod
KR830003923A (en) Mixed Oxide Nuclear Fuel Pellet
KR950009747A (en) Reactor Control Cluster

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee