KR20120123085A - 긴 리퓨얼 간격을 가진 소형의, 고속 중성자 스펙트럼 원자력 발전소 - Google Patents
긴 리퓨얼 간격을 가진 소형의, 고속 중성자 스펙트럼 원자력 발전소 Download PDFInfo
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- 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
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Abstract
Description
도 1은 본 발명의 구체예에 따른 예시적인 소형의 모듈식 원자로("SMR")를 도시한다.
도 2는 본 발명의 구체예에 따른 SMR 원자력 발전소의 실시예이다.
도 3은 본 발명의 구체예에 따른 예시적인 원자력 에너지 아키텍쳐(nuclear energy architecture)를 도시한다.
도 4는 본 발명의 구체예에 따른 예시적인 리퓨얼 클러스터 레이아웃 및 코어 방사상 농축 영역화를 도시한다.
도 5a와 도 5b는 리퓨얼 작업 동안 코어 클램핑 및 코어 언클램핑을 위해 사용되는 예시적인 웨지를 도시한다.
도 6a 내지 도 6c는 코어 방사상 팽창 반응도 피드백을 향상시키는 데에 사용되는 예시적인 웨지를 도시한다.
Claims (24)
- 고속 중성자 스펙트럼 원자로 시스템에 있어서,
원자로(상기 원자로는:
원자로 탱크;
원자로 탱크 내에서, 열전달 매체로서 액체 소듐을 이용하여 금속 또는 서멧 연료의 연료 컬럼을 포함하는 원자로 코어; 및
열교환기를 통해 액체 소듐을 순환시키는 펌프를 포함한다);
반응도 피드백을 포함하는 적어도 하나의 패시브 안전 시스템;
적어도 하나의 패시브 부하 추종 시스템;
원자력 안전기능을 가지지 않는 발전소의 밸런스; 및
대략 40% 이상의 변환 효율을 갖는 초임계 CO2 브레이턴 사이클 에너지 컨버터를 구동시키는 열원 원자로를 포함하되,
원자로는 모듈식이고,
시스템은 대략 50 MWe 내지 대략 100 MWe를 생산하는 것을 특징으로 하는 원자로 시스템.
- 제 1 항에 있어서, 상기 원자로 시스템은,
가드 베셀 및 원자로 데크 위의 돔을 포함하는 작은 볼륨의 격납 구조물을 더 포함하되,
작은 볼륨의 격납 구조물은 면진(seismic isolation)을 갖는 사일로 차폐 구조물 내에 설치되는 것을 특징으로 하는 원자로 시스템.
- 제 1 항에 있어서,
리퓨얼 장비 또는 연료 저장소가 현장에 위치되어 있지 않은 것을 특징으로 하는 원자로 시스템.
- 제 1 항에 있어서,
제 1 로딩은 대략 20% 보다 적은 농축도로 농축된 우라늄이고, 모든 차후의 로딩들은 재생된 우라늄, 초우라늄 및 지르코늄인 것을 특징으로 하는 원자로 시스템.
- 제 1 항에 있어서,
리퓨얼 간격은 대략 20년이고, 전체 원자로 코어는 리퓨얼 동안에 교체되는 것을 특징으로 하는 원자로 시스템.
- 제 1 항에 있어서, 상기 원자로 시스템은,
하나 이상의 다중-어셈블리 클러스터들을 더 포함하는 것을 특징으로 하는 원자로 시스템.
- 제 6 항에 있어서,
하나 이상의 다중-어셈블리 클러스터들은 긴 리퓨얼 간격을 가능하게 하고 리퓨얼 작업이 원자로 셧다운 이후 대략 2주일에서 시작하는 것을 가능하게 하기 위하여 디레이팅된 비출력(kwt/㎏ 연료)을 갖는 것을 특징으로 하는 원자로 시스템.
- 제 1 항에 있어서, 상기 원자로 시스템은,
코어 클램핑하고 반응도 피드백의 조절을 미세 조정하기 위하여 상부 코어 부하 패드들 엘리베이션에서 원자로 코어 내의 제거가능하고 조절가능한 웨지를 더 포함하는 것을 특징으로 하는 원자로 시스템.
- 제 1 항에 있어서,
시스템의 열 효율은 대략 39% 내지 대략 41%인 것을 특징으로 하는 원자로 시스템.
- 제 1 항에 있어서,
내부 브리딩 비율은 대략 1인 것을 특징으로 하는 원자로 시스템.
- 원자력 에너지를 제공하는 방법에 있어서,
고속 중성자 스펙트럼 원자로 시스템을 제공하는 단계(상기 시스템은:
원자로(상기 원자로는:
원자로 탱크;
원자로 탱크 내에서, 열전달 매체로서 액체 소듐을 이용하여 금속 또는 서멧 연료의 연료 컬럼을 포함하는 원자로 코어; 및
열교환기를 통해 액체 소듐을 순환시키는 펌프를 포함한다);
반응도 피드백을 포함하는 적어도 하나의 패시브 안전 시스템;
적어도 하나의 패시브 부하 추종 시스템;
원자력 안전기능을 가지지 않는 발전소의 밸런스; 및
대략 40% 이상의 변환 효율을 갖는 초임계 CO2 브레이턴 사이클 에너지 컨버터를 구동시키는 열원 원자로를 포함한다);
시스템을 개시하는 단계;
열을 전기로 변환시키는 단계; 및
전기를 공급하는 단계를 포함하되,
원자로는 모듈식이고,
시스템은 대략 50 MWe 내지 대략 100 MWe를 생산하는 것을 특징으로 하는 방법.
- 제 11 항에 있어서,
원자로는 가드 베셀 및 원자로 데크 위의 돔을 포함하는 작은 볼륨의 격납 구조물을 더 포함하되, 작은 볼륨의 격납 구조물은 면진을 갖는 사일로 차폐 구조물 내에 설치되는 것을 특징으로 하는 방법.
- 제 11 항에 있어서,
리퓨얼 장비 또는 연료 저장소가 현장에 위치되어 있지 않은 것을 특징으로 하는 방법.
- 제 11 항에 있어서,
제 1 로딩은 대략 20%보다 작은 농축도로 농축된 우라늄이고, 차후의 로딩은 재생된 우라늄, 자기 생성된 초우라늄 및 지르코늄인 것을 특징으로 하는 방법.
- 제 11 항에 있어서,
리퓨얼 간격은 대략 20년이고, 전체 원자로 코어는 리퓨얼 동안에 교체되는 것을 특징으로 하는 방법.
- 제 11 항에 있어서,
원자로는 하나 이상의 다중-어셈블리 클러스터들을 더 포함하는 것을 특징으로 하는 방법.
- 제 16 항에 있어서,
하나 이상의 다중-어셈블리 클러스터들은 긴 리퓨얼 간격을 가능하게 하고 리퓨얼 작업이 원자로 셧다운 이후 대략 2주일에서 시작되는 것을 가능하게 하고 위하여 디레이팅된 비출력(kwt/㎏ 연료)을 갖는 것을 특징으로 하는 방법.
- 제 11 항에 있어서,
원자로는 코어 클램핑하고 반응도 피드백의 조절을 미세 조정하기 위하여 상부 코어 부하 패드들 엘리베이션에서 원자로 코어 내의 제거가능하고 조절가능한 웨지를 더 포함하는 것을 특징으로 하는 방법.
- 제 11 항에 있어서,
시스템의 열 효율은 대략 39% 내지 대략 41%인 것을 특징으로 하는 방법.
- 제 11 항에 있어서,
내부 브리딩 비율은 대략 1인 것을 특징으로 하는 방법.
- 코어 클램핑 시스템에 있어서,
하나 이상의 덕팅된(ducted) 연료 어셈블리들 및 코어 중앙 어셈블리 위치를 포함하는 원자로 코어;
하나 이상의 덕팅된 연료 어셈블리들의 상측 종단들 근처에서 하나 이상의 덕팅된 연료 어셈블리의 각각에 결합되는 하나 이상의 상부 부하 패드들;
하나 이상의 상부 부하 패드들 아래에서 하나 이상의 덕팅된 연료 어셈블리들의 각각에 결합되는 하나 이상의 상부 코어 부하 패드들;
대략 상부 부하 패드 레벨에서 원자로 코어를 둘러싸되, 원자로 코어의 작동 동안에 하나 이상의 상부 부하 패드들에 의해 접촉되는 코어 형성 링;
코어 중앙 어셈블리 위치 안으로의 삽입을 위한 제거가능하고 조절가능한 웨지; 및
웨지의 위치를 삽입하고, 제거하며, 조절하기 위하여 웨지에 결합된 웨지 드라이브라인을 포함하는 것을 특징으로 하는 시스템.
- 제 21 항에 있어서,
웨지는 코어 클램핑하고 반응도 피드백의 조절을 미세 조정하기 위하여 대략 상부 코어 부하 패드들 엘리베이션까지 삽입되는 것을 특징으로 하는 시스템.
- 제 21 항에 있어서,
웨지 드라이브라인은 반응도 피드백의 조절을 미세 조정하기 위하여 열 팽창가능한 것을 특징으로 하는 시스템.
- 제 21 항에 있어서,
웨지는 리퓨얼 작업을 위하여 해제 및 제거되는 것을 특징으로 하는 시스템.
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2011
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- 2011-02-18 KR KR1020127021096A patent/KR101834845B1/ko active Active
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WO2011142869A2 (en) | 2011-11-17 |
JP6001457B2 (ja) | 2016-10-05 |
RU2713473C2 (ru) | 2020-02-05 |
JP2013520657A (ja) | 2013-06-06 |
US20200027575A1 (en) | 2020-01-23 |
RU2012140426A (ru) | 2014-03-27 |
JP6407222B2 (ja) | 2018-10-17 |
RU2016131332A3 (ko) | 2019-11-20 |
US8767902B2 (en) | 2014-07-01 |
US20170337992A1 (en) | 2017-11-23 |
WO2011142869A3 (en) | 2012-01-19 |
RU2596160C2 (ru) | 2016-08-27 |
RU2016131332A (ru) | 2018-12-07 |
US20140321590A1 (en) | 2014-10-30 |
KR101834845B1 (ko) | 2018-03-06 |
US20110206173A1 (en) | 2011-08-25 |
JP2017015722A (ja) | 2017-01-19 |
US9640283B2 (en) | 2017-05-02 |
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