| 摘要 |
A flow velocity distribution equalizing apparatus (10), which is capable of equalizing a flow velocity distribution at an inlet of a catalytic combustor with little pressure loss and without bringing about an increase in size, is provided with a rectification vane (12) and a rectification plate (13) provided to an inlet chamber (8) of the catalytic combustor (2). The inlet chamber (8) has a circular cross section, and has an inflow port (80) into which a fuel gas (G2) is permitted to flow from the radial direction, and an outflow port (82) from which the fuel gas (G2) is permitted to flow in the axial direction. The rectification vane (12) has a leading edge (12a) that faces the inflow port (80), and a leading edge (12q) that divides into two branches and extends toward a cylindrical inner wall surface of the inlet chamber (8). Furthermore, the rectification vane (12) has a rectification surface (12b) that generates a swirling flow toward the inflow port (80) along the cylindrical inner wall surface in the fuel gas (G2) that has flowed into the inlet chamber (8). The rectification plate (13) is positioned in the outflow port (82), and has multiple openings (13a, 13b) through which the fuel gas (G2) is permitted to pass. |
