KR100936420B1 - 포스겐을 제조하기 위한 반응기 및 방법 - Google Patents
포스겐을 제조하기 위한 반응기 및 방법 Download PDFInfo
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Abstract
Description
편향 영역내 촉매 튜브 | 횡류가 일어나고 있는 촉매 튜브 | |
냉각 매질로부터 튜브벽으로의 열 전달 계수 | 200 W/㎡/K | 800 W/㎡/K |
내부 튜브 벽 온도 | 295.9℃ | 151.8℃ |
촉매층내 평균 최대 반응 온도 | 568.5℃ | 545.5℃ |
Claims (28)
- 하나 이상의 실린더형 반응기(1) 내에서 고체 촉매의 존재 하에 일산화탄소와 염소의 기상 반응으로 포스겐을 제조하는 방법으로서,상기 반응기는 그 말단부가 튜브판(3)에 고정되어 있으며 반응기의 종축 방향으로 정렬되어 있는 평행 촉매 튜브(2)의 다발을 보유하고, 이 반응기(1)의 각 말단부에는 캡(4)이 구비되어 있으며, 촉매 튜브(2) 사이의 사이 공간(5)에는 반응기의 종축 방향에 수직이 되도록 배열되고 반응기의 내벽에 교대로 상호 대향하여 위치하는 통로(7)를 비워두는 편향판(6)을 보유하고, 촉매 튜브(2)는 고체 촉매로 충전되어 있으며, 기상 반응 혼합물은 한쪽 캡(4)을 통해 반응기의 한쪽 말단부로부터 촉매 튜브(2)를 거쳐 제2의 캡(4)을 통해 반응기(1)의 반대쪽 말단부로부터 방출되고, 액체 열 전달 매질은 촉매 튜브(2) 주위의 사이 공간(5)을 통과하며,상기 방법을 수행하기 위한 반응기(들)(1)는 통로(7)의 영역에 튜브를 포함하지 않는 것인 방법.
- 제1항에 있어서, 상기 편향판(6)은 활꼴의 형태로 형성되고, 상기 모든 편향판(6)은 각각 동일한 크기의 통로(7)를 비워두며, 상기 각 통로(7)의 면적은 상기 반응기 횡단면의 5∼20 %인 것인 방법.
- 제1항 또는 제2항에 있어서, 100∼10,000개의 촉매 튜브(2)가 존재하고, 상기 각각의 촉매 튜브(2)의 길이는 1.5∼6.0 m이며, 벽 두께는 2.0∼4.0 ㎜이고, 내경은 20∼90 ㎜인 것인 방법.
- 제1항 또는 제2항에 있어서, 상기 촉매 튜브(2)와 편향판(6) 사이에 0.1∼0.6 ㎜의 갭(8)이 존재하고, 상기 편향판(6)은 통로(7) 영역을 제외한 반응기 내벽에 누액되지 않도록 고정되어 있는 것인 방법.
- 제1항 또는 제2항에 있어서, 상기 편향판의 두께는 8∼30 ㎜인 것인 방법.
- 제1항 또는 제2항에 있어서, 상기 튜브판(3)에는 통풍, 배출 또는 이들 모두의 구멍(9)이 제공되고, 상기 반응기 벽에는 보정 장치(10)가 구비되어 있으며, 상기 반응기 벽에는 열 전달 매질의 도입 및 배출을 위한 포트 또는 부속 고리 채널(11)이 제공되고, 이 포트 또는 부속 고리 채널(11)의 반응기 내부로의 개구부의 횡단면은 원형 또는 직사각형이며, 개구 비율은 5∼50 %인 것인 방법.
- 제1항 또는 제2항에 있어서, 상기 반응기(들)는 이 반응기 중앙부의 횡단면 둘레로 대칭적으로 구성되어 있는 것인 방법.
- 제1항 또는 제2항에 있어서, 상기 반응기(들)(1)는 복수개의 구역을 보유하고, 각각의 구역은 분할판(14)에 의하여 누액되지 않도록 상호 격리되어 있어서 열 전달 매질이 반응기(들)(1) 내부의 한 구역에서 다른 구역으로 흐를 수 없는 것인 방법.
- 제1항 또는 제2항에 있어서, 2개 이상의 온도 측정점을 보유하는 다중 열전대(19)를 수용하며 반응기(1) 아래로 개방되어 있는 시이스(sheath; 17)가 하나 이상의 촉매 튜브(2) 내에 제공되는 것인 방법.
- 제1항 또는 제2항에 있어서, 직렬로 연결되어 있는 2개 이상의 반응기(1) 내에서 수행되고, 상부 반응기의 하단 캡과 하부 반응기의 상단 캡 사이의 연결 부품에 잔류 염소 함량에 대한 농도 측정점(19), 온도 측정점(20) 또는 이들 모두가 제공되어 있는 것인 방법.
- 제10항에 있어서, 직렬로 연결되어 있는 반응기(1) 내에서 수행되고, 제2 반응기는 제1 반응기(1)에 비하여 튜브 내경이 더 큰 촉매 튜브(2)를 보유하고, 상기 반응기(1)는 그 사이에 캡(4)이 존재하지 않은채 바로 직렬로 연결되어 있으며, 이 반응기(1) 사이에는 스페이서(16)가 제공되는 것인 방법.
- 제1항 또는 제2항에 있어서, 상기 반응기(들)(1)는 안전 챔버(safety chamber)에 의하여 봉입되는 것인 방법.
- 제10항에 있어서, 상기 제2 반응기, 추가의 반응기 또는 이들 모두(1)의 외부 치수는 상류 반응기(1)의 외부 치수보다 더 작은 것인 방법.
- 제1항 또는 제2항에 있어서, 열 전달 매질로서는 물, 수산화나트륨 수용액, 또는 하나 이상의 염소화된 탄화수소가 사용되고, 기상 반응 혼합물과 액체 열 전달 매질은 교차 역류(cross-countercurrent) 또는 교차 병류(cross-cocurrent)로 반응기(1)를 통과하는 것인 방법.
- 제1항 또는 제2항에 있어서, 일산화탄소 및 염소는 1.01∼1.10의 몰비로 위 또는 아래로부터 촉매 튜브(2)를 통과하고, 반응기(1)의 종축은 수직인 것인 방법.
- 제1항 또는 제2항에 있어서, 촉매 튜브(2) 내에 장입된 고체 촉매는 구형, 원뿔형, 실린더형, 압출물형, 고리형 또는 펠렛형인 활성탄 또는 적어도 부분적으로 연속 기공형인 탄소 발포체이고, 기상 반응 혼합물이 공급되는 말단부의 촉매 튜브(2) 영역은 이 촉매 튜브(2)의 총 길이의 5∼20 %가 비활성 물질로 충전되어 있는 것인 방법.
- 제1항 또는 제2항에 있어서, 상기 촉매 튜브(2)는 열 전달 매질측에 대한 열 전달 계수가 500∼2,000 W/㎡/K인 것인 방법.
- 고체 촉매의 존재 하에 일산화탄소와 염소의 기상 반응으로 포스겐을 제조하기 위한 실린더형 반응기(1)로서,상기 반응기는 그 말단부가 튜브판(3)에 고정되어 있으며 반응기의 종축 방향으로 정렬되어 있는 평행 촉매 튜브(2)의 다발을 보유하고, 이 반응기(1)의 각 말단부에는 캡(4)이 구비되어 있으며, 촉매 튜브(2) 사이의 사이 공간(5)에는 반응기의 종축 방향에 수직이 되도록 배열되고 반응기의 내벽에 교대로 상호 대향하여 위치하는 통로(7)를 비워두는 편향판(6)을 보유하고, 반응기(1)는 통로(7) 영역에 튜브를 포함하지 않으며, 촉매 튜브(2)는 고체 촉매로 충전되어 있고, 기상 반응 혼합물은 한쪽 캡(4)을 통해 반응기의 한쪽 말단부로부터 촉매 튜브(2)를 거쳐 제2의 캡(4)을 통해 반응기의 반대쪽 말단부로부터 방출되고, 액체 열 전달 매질은 촉매 튜브(2) 주위의 사이 공간(5)을 통과하며,최하단 편향판(6)과 최상단 편향판(6)은 각각, 각각의 튜브판(3)으로부터의 간격이 연속 편향판(6) 사이의 간격보다 크고, 상기 촉매 튜브(2)와 편향판(6) 사이에 0.1∼0.6 ㎜의 갭(8)이 존재하며, 상기 촉매 튜브(2)는 스테인레스 강 또는 이중강으로 이루어진 것인 실린더형 반응기(1).
- 제18항에 있어서, 최하단 편향판(6)과 최상단 편향판(6)은 각각의 튜브판(3)으로부터의 간격이 2개의 연속 편향판(6) 사이의 간격보다 각각 1.5배 더 큰 것인 반응기(1).
- 제18항에 있어서, 상기 편향판(6)은 활꼴의 형태로 형성되고, 상기 모든 편향판(6)은 동일한 크기의 통로(7)를 비워두며, 상기 각 통로(7)의 면적은 상기 반응기 횡단면의 5∼20 %이고, 상기 촉매 튜브(2)와 편향판(6) 사이에 0.2∼0.3 ㎜의 갭(8)이 존재하는 것인 반응기(1).
- 제18항에 있어서, 100∼10,000개의 촉매 튜브(2)를 포함하고, 상기 각 촉매 튜브(2)의 길이는 1.5∼6.0 m이며, 벽 두께는 2.0∼4.0 ㎜이고, 내경은 20∼90 ㎜인 것인 반응기(1).
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IN237581B (ko) | 2010-01-01 |
US20050118088A1 (en) | 2005-06-02 |
ES2253661T3 (es) | 2006-06-01 |
CN1302842C (zh) | 2007-03-07 |
BR0307973A (pt) | 2004-12-21 |
JP4424991B2 (ja) | 2010-03-03 |
US8821829B2 (en) | 2014-09-02 |
CN1638856A (zh) | 2005-07-13 |
EP1485195B1 (de) | 2005-11-16 |
US8409539B2 (en) | 2013-04-02 |
JP2005525986A (ja) | 2005-09-02 |
WO2003072237A1 (de) | 2003-09-04 |
US20130072717A1 (en) | 2013-03-21 |
DE50301676D1 (de) | 2005-12-22 |
EP1485195A1 (de) | 2004-12-15 |
AU2003208834A1 (en) | 2003-09-09 |
IN2004CH01858A (ko) | 2006-06-23 |
ATE309856T1 (de) | 2005-12-15 |
KR20040087326A (ko) | 2004-10-13 |
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