| 摘要 |
The invention provides an exhaust heat recovery boiler construction method in which a necessary number of heat exchanger tube bundle panel modules (20) each having heat exchanger tube bundle panels (23) including a number of heat exchanger tubes (6) and upper and lower headers (7 and 8) of the heat exchanger tubes (6), a casing (1) of the heat exchanger tube bundle panels (23), heat exchanger tube bundle panel support beams (22) located outside the ceiling wall of the casing (1), and vertical and horizontal module frames (24 and 25) located outside the casing (1), are prepared so as to have a proper size according to the design specifications of the heat recovery boiler, main frames including main columns (33), main beams (34), and bottom wall columns (36) for supporting the modules (20) are constructed in advance at a construction site of the exhaust heat recovery boiler (heat recovery boiler), and the modules (20) are transported and hung down by a crane (42) between the main columns (33) adjacent to each other at the construction site to set the support beams (22) of the modules (20) at the installation height of the main beams (34), and the horizontal module frames (25), the main beams (34), and the bottom wall columns (36) are connected and fixed to each other and the vertical module frames (24) and the main columns (33) are connected and fixed to each other. |
