Isothermal conversion reactor with high CO and high conversion rate, and process therefor

A reactor, comprising:

• an outside pressure vessel defining a chamber, wherein said chamber comprises upper and lower tube sheets located at an upper section of said chamber;
• a bottom tee joint located at a bottom of the outside pressure vessel chamber, wherein said bottom tee joint has an unreacted gas entrance for unreacted gas, a reacted gas outlet for reacted gas, and a steam-water entrance for a steam-water mixture;
• an upper seal head coupled to an outside pressure vessel chamber upper end;
• a lower seal head coupled to an outside pressure vessel chamber lower end;
• a water chamber defined by said upper seal head and said upper tube sheet;
• a steam chamber defined by the upper tube sheet and the lower tube sheet, said water chamber is connected by connection tubes to said steam chamber located at the outside pressure vessel chamber upper end;
• an upper catalyst bed located at an upper mid portion of said outside pressure vessel chamber and a lower catalyst bed located at a lower mid portion of said outside pressure vessel chamber, said upper catalyst bed and an inner wall of the outside pressure vessel defining an annular space, wherein the unreacted gas flows through the unreacted gas entrance to said annular space to said upper catalyst bed and the reacted gas flows out of the lower catalyst bed through the reacted gas outlet;
• a supporting seal head is located between said upper catalyst bed and lower catalyst bed;
• and
• an inner unit of said outside pressure vessel comprises central tubes having a central tube upper end located in said upper catalyst bed and having a central tube lower end located in said lower catalyst bed, wherein said central tubes have a sprayer nozzle for said steam-water mixture, wherein said sprayer nozzle for steam-water mixture is connected to said steam water entrance.