KR840003901A - 가연성 중성자 흡수체로 사용하기 위한 환상펠릿 제조방법 - Google Patents

가연성 중성자 흡수체로 사용하기 위한 환상펠릿 제조방법 Download PDF

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KR840003901A
KR840003901A KR1019830000791A KR830000791A KR840003901A KR 840003901 A KR840003901 A KR 840003901A KR 1019830000791 A KR1019830000791 A KR 1019830000791A KR 830000791 A KR830000791 A KR 830000791A KR 840003901 A KR840003901 A KR 840003901A
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powder
boron carbide
mass
mold
cyclic
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KR1019830000791A
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KR920000288B1 (ko
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씨이. 라드포드(외 1) 켄네트
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씨이. 에프. 오버메서
웨스팅하우스 일렉트릭 코오포레이숀
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    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C21/00—Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
    • G21C21/18—Manufacture of control elements covered by group G21C7/00
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/24—Selection of substances for use as neutron-absorbing material
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

내용 없음

Description

가연성 중성자 흡수체로 사용하기 위한 환상펠릿 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 가연성 펠릿이 포함된 가연성 중성자 흡수체봉의 횡단면도.
제2도는 제1도의 가연성 펠릿을 제조하는 방법의 플로우 챠아트.
제3도는 슬러리를 건조하기 위한 장치의 투시도.

Claims (12)

  1. 원자로에서 가연성 중성자 흡수체로 사용하기 위한 환상펠릿의 제조방법에 있어서, 매트릭스를 형성하기 위해 제1분말을 혼합하고(상기 분말은 보론, 가돌리늄, 사마륨, 카드뮴, 유로퓸, 하프늄, 디스프로슘 그리고 인듐 또는 그들의 화합물로 구성되는 원소의 하나 또는 그 이상의 부류로 된 중성자 흡수물질의 제2분말과 함께 알루미늄 옥사이드(Al2O3)와 지르코늄 옥사이드(ZrO2)로 구성되는 하나 또는 그 이상의 부류로부터 선택된다), 슬러리를 만들기 위해 상기 제1분말과 상기 제2분말을 밀링하여, 혼합된 제1 그리고 제2분말의 건조매스를 생성하기 위해 슬러리를 건조하며 분말의 매스를 형성할 그리인 바디에 강도를 부가할 수 있는 수능을 상기 분말의 매스에 첨가하며, 상기 매스가 동방압력을 받을 수 있게 상기 분말의 매스르 주형속으로 침전하며, 펠릿의 형태를 갖는 그리인 바디를 형성하기 위해 주형내의 분말의 매스가 등방압력을 받게 하며, 강도부가 수단을 제거하고 펠릿을 만들기 위해 그리인 바디를 소결하기 위한 온도로 그리인 바디를 가열하는 것등을 특징으로 하는.
  2. 제1항에서, 제2분말은 알루미늄 옥사이드이고 제2분말은 보론 카아바이드인 것을 특징으로 하는 환상펠릿의 제제방법.
  3. 제1항 또는 제2항에서, 슬러리는 물과 작지만 효과있는 양의 습윤제를 포함하는 것을 특징으로 하는 환상펠릿의 제제방법.
  4. 제3항에서, 슬러리는 습윤제에 추가하여 작지만 효과있는 양의 해교제를 포함하는 것을 특징으로 하는 환상펠릿의 제제방법.
  5. 제1항, 2항 또는 3항에서, 강도부가수단은 작지만 효과있는 양의 결합제와 가소제인 것을 특징으로 하는 환상펠릿의 제제방법.
  6. 제3항, 4항 또는 5항에서, 제1화합물은 알루미늄 옥사이드 제2화합물은 보론 카아바이드(B4C)인 것을 특징으로 하는 환상펠릿의 제제방법.
  7. 제6항에서 알루미늄 옥사이드와 보론 카아바이드의 혼합물에서 보론 카아바이드 함유량의 중량퍼센트는 1∼50인 것을 특징으로 하는 환상펠릿의 제제방법.
  8. 제7항에서 보론 카아바이드의 함유량이 15∼25중량퍼센트인 것을 특징으로 하는 환상펠릿의 제제방법.
  9. 제6항, 7항 또는 8항에서, 보론 카아바이드와 혼합될 알루미늄옥사이드의 초기 평균 크기는 1∼20마이크론이며 보론 카아바이드의 초기 평균 크기는 1∼30마이트론인 것을 특징으로 하는 환상펠릿의 제제방법.
  10. 제9항에서, 보론 카아바이드의 초기 평균 크기가 5∼15마이트론인 것을 특징으로 하는 환상펠릿의 제제방법.
  11. 제8항, 9항 또는 10항에서, 주형은 압력을 전달할 수 있는 물질로 된 것과, 상기 방법은 침전시 주형의 강직성을 유지하기 위해 분말이 침전이전에 강직한 바디내에 주형을 함입하는 단계를 포함하는 것을 특징으로 하는 환상펠릿의 제제방법.
  12. 제11항에서, 분말의 침전중 강직한 바디내의 주형을 진동하는 단계가 포함되어 분말이 균일하게 침전되게 하는 것을 특징으로 하는 환상펠릿의 제제방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019830000791A 1982-02-26 1983-02-26 가연성 중성자 흡수체용 환상 펠렛의 제조방법 KR920000288B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US352,686 1982-02-26
US06/352,686 US4826630A (en) 1981-12-28 1982-02-26 Burnable neutron absorbers
US352686 1982-02-26

Publications (2)

Publication Number Publication Date
KR840003901A true KR840003901A (ko) 1984-10-04
KR920000288B1 KR920000288B1 (ko) 1992-01-11

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Country Status (9)

Country Link
US (1) US4826630A (ko)
EP (1) EP0087927B1 (ko)
JP (1) JPS58156574A (ko)
KR (1) KR920000288B1 (ko)
BE (1) BE896033A (ko)
CA (1) CA1188501A (ko)
DE (1) DE3376910D1 (ko)
ES (1) ES520138A0 (ko)
FR (1) FR2522435B1 (ko)

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US10176898B2 (en) 2010-11-15 2019-01-08 Atomic Energy Of Canada Limited Nuclear fuel containing a neutron absorber

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Also Published As

Publication number Publication date
KR920000288B1 (ko) 1992-01-11
EP0087927B1 (en) 1988-06-01
DE3376910D1 (en) 1988-07-07
ES8405547A1 (es) 1984-06-01
FR2522435A1 (fr) 1983-09-02
CA1188501A (en) 1985-06-11
ES520138A0 (es) 1984-06-01
JPS58156574A (ja) 1983-09-17
US4826630A (en) 1989-05-02
JPH0156400B2 (ko) 1989-11-29
BE896033A (fr) 1983-08-25
EP0087927A2 (en) 1983-09-07
EP0087927A3 (en) 1985-05-08
FR2522435B1 (fr) 1989-05-05

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