Reformer box with reformer tunnel including tunnel port
AssigneePraxair Technology, Inc.
InventorsMonica Zanfir, Bo Jin, Minish Mahendra Shah
Life of this patent
Estimating the term…
Abstract
A top-fired reformer box is provided. The top-fired reformer box includes a burner row, a tube row, a reformer tunnel including a closed end, an open end, and a plurality of tunnel ports formed along a side wall of the reformer tunnel, the plurality of tunnel ports including a one or more tunnel port located along the side of the tunnel, and a flow resistor positioned at least one tunnel port applying a flow resistance for flue gas entering the reformer tunnel via the at least one tunnel port such that uniform flow is achieved within the reformer tunnel.
Claims14
A top-fired reformer box, comprising:
- a burner row;
- a tube row;
- a reformer tunnel including a closed end, an open end, and a plurality of tunnel ports formed along a side wall of the reformer tunnel, the plurality of tunnel ports located along the side of the tunnel and a first row of tunnel ports on a roof of the reformer tunnel wherein the plurality of tunnel ports gradually decrease in size from the closed end of the reformer tunnel to the open end of the reformer tunnel;
- and
- a flow resistor positioned in at least one tunnel port applying a flow resistance for flue gas entering the reformer tunnel via the at least one tunnel port such that uniform flow is achieved within the reformer tunnel.
A top-fired reformer box, comprising:
- a burner row;
- a tube row;
- and
- a reformer tunnel including a closed end, an open end, a side wall and a roof,
- wherein a plurality of tunnel ports is formed along the side wall of the reformer tunnel, and
- wherein a plurality of tunnel ports is disposed in the roof of the reformer tunnel in at least a first row such that uniform flow is achieved within the reformer tunnel and where the plurality of tunnel ports gradually decrease in size from the closed end of the reformer tunnel to the open end of the reformer tunnel.
Dependencies are inferred from the claim text.