Fluidized bed reactor with internal tube structure design

Claim 1

APPARATUS ADAPTED FOR USE IN EFFECTING REACTIONS INVOLVING THE CONTACTING OF VAPOROUS REACTANTS WITH FLUIDIZED SOLIDS HAVING IN COMBUSTION A SUBSTANTIALLY VERTICAL SHELL, A REACTION CHAMBER WITHIN SAID SHEL EXTENDING SUBSTANTIALLY THE LENGTH THEREOF, A FIRST SERIES OF VERTICALLY-SPACED GROUPS OF HORIZONTAL TUBES RUNNING SUBSTANTIALLY THROUGHOUT THE ENTIRE LENGTH OF SAID CHAMBER EACH OF SAID GROUPS HAVING A PLURALITY OF TUBES SPACED APART FROM ONE ANOTHER, A SECOND SERIES OF VERTICALLYSPACED GROUPS OF HORIZONTAL TUBES DISPOSED SUBSTANTIALLY THROUGHOUT THE ENTIRE LENGTH OF SAID CHAMBER, EACH OF SAID GROUPS OF SAID SECOND SERIES HAVING A PLURALITY OF TUBES SPACED APART FROM ONE ANOTHER, A COMMON CONDUIT CONNECTING ALL OF SAID GROUPS OF SAID FIRST AND SECOND SERIES WHEREBY BOTH OF SAID SERIES ARE PLACED IN COMMUNICATION WITH ONE ANOTHER, INLET MEANS FOR PASSING A HEAT TRANSFER MEDIUM THROUGH SAID CONDUIT, AND OUTLET MEANS FOR WITHDRAWING SAID MEDIUM FROM SAID TUBES, THE DISTANCE BETWEEN SAID TUBES IN A GIVEN GROUP BEING SUBSTANTIALLY EQUAL TO THE DISTANCE BETWEEN ADJACENT GROUPS OF HORIZONTAL TUBES.