Patent ID: 6051195
Filing Date: 2000-04-18
Classification: C10K,F28D,F28G,Y02E

Abstract:
A synthesis gas heat exchanger device for cooling crude synthesis gas, the device comprising:a radiant synthesis gas cooler;a first convective synthesis gas cooler including a vertical upper section and a vertical lower section connected to said upper section, an outside of said upper and lower section including a water-cooling structure, said first convective cooler lower section being a crude gas to clean synthesis gas heat exchanger;a second convective synthesis gas cooler including a vertical upper section and a vertical lower section connected to said upper section, an outside of said upper and lower section including a water-cooling structure, said second convective cooler lower section being a crude gas to inert gas heat exchanger;a clean synthesis gas feed connected to said first convective synthesis gas cooler;an inert gas feed connected to said second convective synthesis gas cooler;a cooling water feed connected to each of said first convective synthesis gas cooler water-cooling structure and said second convective synthesis gas cooler water-cooling structure;a first upper connection line;a first transition piece, a top of said first convective cooler being connected to said first transition piece, said first transition piece being connected to said first upper connection line which is connected to said radiant cooler;a second upper connection line;a second transition piece, a top of said second convective cooler being connected to said second transition piece, said second transition piece being connected to said second upper connection line which is connected to said radiant cooler;a first lower connection;a second lower connection;a dust separator, a lower end of said first convective cooler being connected to said dust separator by said first lower connection, a lower end of said second convective cooler being connected to said dust separator by said second lower connection;a soot blower for removing soot from the device, said soot blower being positioned with a connection at each of said first upper connection line and said second upper connection line, at each upper and lower section of each of said first convective synthesis gas cooler and said second convective synthesis gas cooler and at each of said first lower connection line and said second lower connection line;a raw gas mass flow controlling device positioned at each of said first lower connection line and said second lower connection line; anda feeding device for feeding pressurized water at each of said first lower connection and said second lower connection line upstream of said mass flow controlling device.