| 摘要 |
A single-pipe cylinder type reformer for manufacturing a hydrogen-rich reformed gas by steam-reforming a hydrocarbon-based crude fuel such as town gas, natural gas, or LPG or an alcohol and a reformer used with a polymer electrolyte fuel cell. The reformer has an upright outer circular cylinder, a circular cylinder, radially spaced, concentrically inside the outer cylinder, a circular intermediate cylinder concentrically located between the outer and inner cylinders, and a circular radiation cylinder concentrically located inside the inner cylinder. A burner is fixed to one end portion of the reformer and is located in the center of the radiation cylinder. A plurality of laminar annular flows including a reforming catalyst are formed between the inner and intermediate cylinders and between the intermediate and outer cylinders. End portions of the outer and inner cylinders located opposite to where the burner is fixed are sealed with different cover plates that form a double-bottom structure.
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