| 摘要 |
PROBLEM TO BE SOLVED: To reduce a removal and recovery of an interference object on a conveying passage and a reinforcement of a floor by manufacturing divided parts cut in round slices from a feedwater heater so that an entire length per one of a feedwater heater becomes a specific value, conveying the parts into a power plant, welding the conveyed parts to connect them and assembling the heater. SOLUTION: Divided parts 1a, 1b and 1c cut in round slices from the water heater 1 are manufactured in a factory. The parts 1a, 1b of the manufactured parts 1a to 1c are constituted of divided by shells 11a, 11b, and the material 1c is constituted from a divided part shell 11c and a water chamber 12 connected to the shell 11c. In this case, the parts are manufactured so that an overall length L of the parts 1a, 1b and an overall length W of the part 1c become within 6 m. After the parts 1a to 1c are conveyed as single parts to an installing place in a power plant by using a small-sized truck or the like, they are welded at the installing place and its vicinity, and the heater 1 is assembled.
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