KR102291451B1 - 스팀 메탄 개질기 튜브 출구 조립체 - Google Patents
스팀 메탄 개질기 튜브 출구 조립체 Download PDFInfo
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Abstract
Description
도 1은 튜브 출구가 개질기의 경계 외측에 배치된 관련 기술의 하부-발화식(bottom-fired) 원통형 개질기의 개략도이고;
도 2a 및 도 2b는 관련 기술의 튜브 출구 조립체의 개략도이고;
도 3a, 도 3b 및 도 3c는 본 발명의 하나의 예시적인 실시 형태에 따른 개질기 튜브의 플랜지형 튜브 출구 조립체의 개략도이고;
도 4a 및 도 4b는 단열 캔이 테이퍼 형성되고 말단부가 경사지거나 만곡된, 튜브 출구 조립체의 다른 예시적인 실시 형태의 도면이고;
도 5a 및 도 5b는 통상적인 튜브 출구 조립체의 컴퓨터 유체 역학(computational fluid dynamics)을 도시하고;
도 6은 도 3a에 따른 튜브 출구 조립체의 컴퓨터 유체 역학을 도시하고;
도 7은 도 4a에 따른 튜브 출구 조립체의 컴퓨터 유체 역학을 도시한다.
도 8은 관련 기술에 비해 본 발명에 대한 다양한 재료 열화 메커니즘에 대한 튜브 출구 신뢰성의 개선을 보여주는 컴퓨터 유체 역학 결과를 도시한다.
Claims (10)
- 스팀 메탄 개질기 조립체의 플랜지형 튜브 출구 조립체로서,
공정 가스의 제거를 위한 상기 튜브 출구 조립체 내로 상기 공정 가스가 도입될 수 있게 하는 입구를 갖는 적어도 하나 이상의 개질기 튜브를 포함하며, 여기서 출구 포트를 빠져나가는 상기 공정 가스는 합성가스(syngas)이고,
상기 튜브 출구 조립체는 개질기의 경계 밖에 배치되며 내부 단열 캔을 내부에 수용하는 내부 공간을 갖는 개질기 튜브를 포함하고, 상기 단열 캔은 개질기 튜브의 내부 공간에 끼워맞춰지고, 상기 개질기 튜브의 외부는 튜브-플랜지 용접 넥(weld neck)에 근접하게 연장되는 단열재로 덮이고;
출구 포트는 상기 합성가스를 하류 공정 유닛으로 전달하기 위해 상기 단열 캔의 말단부의 상류에 배치되고,
상기 단열 캔은 블라인드 플랜지에 연결되고 출구 포트를 향해 개질기 튜브 내로 연장되고, 캔과 상기 개질기 튜브의 내부 사이의 간극은 블라인드 플랜지 단부에서보다 말단부에서 더 큰, 플랜지형 튜브 출구 조립체. - 제1항에 있어서, 내부 단열 캔은 완전히 테이퍼 형성된(tapered) 캔, 부분적으로 테이퍼 형성된 캔, 완전히 단차 형성된(stepped) 캔 또는 부분적으로 단차 형성된 캔으로 이루어진 군으로부터 선택되는, 플랜지형 튜브 출구 조립체.
- 제2항에 있어서, 내부 캔은 경사지거나 만곡된 말단부를 갖는, 플랜지형 튜브 출구 조립체.
- 제1항에 있어서, 상기 개질기 튜브의 내부에 배치된 단열 캔은, 단열 캔의 말단부의 상류의 튜브 출구의 영역을 금속 더스팅(metal dusting)에 유리한 온도 범위를 초과하여 유지하는 한편, 고속의 금속 더스팅에 유리한 온도를 갖는 영역을 환형 간극 내의 낮은 합성가스 유동의 영역으로 제한함으로써 감소된 속도의 금속 더스팅 부식을 갖도록 설계되는, 플랜지형 튜브 출구 조립체.
- 제1항에 있어서, 단열 캔의 말단부에서의 더 큰 간극 크기는 튜브 출구를 합성가스 이슬점 온도 초과로 유지할 수 있고, 블라인드 플랜지를 향하여 감소되는 간극 크기는 플랜지를 고온 수소 공격에 대한 임계 온도 미만으로 유지하는, 플랜지형 튜브 출구 조립체.
- 제2항에 있어서, 테이퍼 형성되거나 단차 형성된 단열 캔의 말단부에서의 간극은 0.15 내지 1 인치의 범위이고, 블라인드 플랜지 단부에서의 간극은 0.1 내지 0.5 인치의 범위인, 플랜지형 튜브 출구 조립체.
- 스팀 메탄 개질기 조립체의 플랜지형 튜브 출구 조립체로서,
공정 가스의 제거를 위한 튜브 출구 조립체 내로 공정 가스가 도입될 수 있게 하는 입구를 갖는 적어도 하나 이상의 개질기 튜브를 포함하며, 여기서 출구 포트를 빠져나가는 상기 공정 가스는 합성가스이고,
상기 튜브 출구 조립체는 개질기의 경계 밖에 배치되며 내부 단열 캔을 내부에 수용하는 내부 공간을 갖는 개질기 튜브를 포함하고, 상기 단열 캔은 개질기 튜브의 내부 공간에 테이퍼 형성되거나 단차 형성되고, 상기 개질기 튜브의 외부는 튜브-플랜지 용접 넥에 근접하게 연장되는 단열재로 덮이고;
출구 포트는 상기 합성가스를 하류 공정 유닛으로 전달하기 위해 상기 단열 캔의 말단부의 상류에 배치되고,
상기 단열 캔은 블라인드 플랜지에 연결되고 출구 포트를 향해 개질기 튜브 내로 연장되고 블라인드 플랜지에 단단히 연결되고, 캔과 상기 개질기 튜브의 내부 사이의 간극은 상기 튜브 출구의 블라인드 플랜지 단부에서 0.1 내지 0.5 인치의 범위이고 말단부에서 0.1 내지 1 인치의 범위여서, 더 큰 부피의 고온 합성가스가 간극의 말단부에서 유지되게 하므로, 캔의 말단부 부근의 튜브 금속 온도는 금속 더스팅에 유리한 온도를 초과하지만, 플랜지를 향한 고온 가스의 유동을 조절하여 튜브 출구의 전체 길이를 합성가스 이슬점 온도 초과로 유지하여 응축/증발 열 사이클링 유도 피로 균열을 없애는 한편 플랜지 온도를 낮추어서 과열 유도 금속 파괴(over-temperature induced metal failure)의 발생을 최소화하는, 플랜지형 튜브 출구 조립체. - 제7항에 있어서, 내부 캔은 부분적으로 또는 완전히 테이퍼 형성되거나 단차 형성되고, 선택적으로 경사지거나 만곡된 말단부를 갖는, 플랜지형 튜브 출구 조립체.
- 제7항에 있어서, 내부 단열 캔은 완전히 테이퍼 형성된 캔, 부분적으로 테이퍼 형성된 캔, 완전히 단차 형성된 캔 또는 부분적으로 단차 형성된 캔으로 이루어진 군으로부터 선택되는, 플랜지형 튜브 출구 조립체.
- 제7항에 있어서, 내부 캔은 경사지거나 만곡된 말단부를 갖는, 플랜지형 튜브 출구 조립체.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/433,340 US10384183B2 (en) | 2017-02-15 | 2017-02-15 | Steam methane reformer tube outlet assembly |
| US15/433,340 | 2017-02-15 | ||
| PCT/US2018/017769 WO2018152052A1 (en) | 2017-02-15 | 2018-02-12 | Steam methane reformer tube outlet assembly |
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| Publication Number | Publication Date |
|---|---|
| KR20190118595A KR20190118595A (ko) | 2019-10-18 |
| KR102291451B1 true KR102291451B1 (ko) | 2021-08-18 |
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| US (1) | US10384183B2 (ko) |
| EP (1) | EP3583244B1 (ko) |
| KR (1) | KR102291451B1 (ko) |
| CN (1) | CN110234798B (ko) |
| BR (1) | BR112019015014B1 (ko) |
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| KR102215836B1 (ko) * | 2020-12-21 | 2021-02-16 | 국방과학연구소 | 잠수함용 메탄올 개질기 |
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| US4127389A (en) * | 1977-04-04 | 1978-11-28 | Pullman Incorporated | Exchanger reactor |
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2018
- 2018-02-12 CA CA3053359A patent/CA3053359C/en active Active
- 2018-02-12 WO PCT/US2018/017769 patent/WO2018152052A1/en not_active Ceased
- 2018-02-12 CN CN201880009770.9A patent/CN110234798B/zh active Active
- 2018-02-12 KR KR1020197025722A patent/KR102291451B1/ko not_active Expired - Fee Related
- 2018-02-12 ES ES18709202T patent/ES2847500T3/es active Active
- 2018-02-12 BR BR112019015014-5A patent/BR112019015014B1/pt active IP Right Grant
- 2018-02-12 EP EP18709202.8A patent/EP3583244B1/en active Active
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| US20040037760A1 (en) | 2002-08-21 | 2004-02-26 | Abb Lummus Heat Transfer | Steam reforming catalytic reaction apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110234798A (zh) | 2019-09-13 |
| US20180229200A1 (en) | 2018-08-16 |
| KR20190118595A (ko) | 2019-10-18 |
| ES2847500T3 (es) | 2021-08-03 |
| BR112019015014B1 (pt) | 2023-12-19 |
| US10384183B2 (en) | 2019-08-20 |
| EP3583244B1 (en) | 2020-11-11 |
| CA3053359A1 (en) | 2018-08-23 |
| BR112019015014A2 (pt) | 2020-04-07 |
| EP3583244A1 (en) | 2019-12-25 |
| CA3053359C (en) | 2021-11-02 |
| CN110234798B (zh) | 2022-05-10 |
| WO2018152052A1 (en) | 2018-08-23 |
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