| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat storage box which efficiently heats a heat storage material with heat of hot water and is easily carried into a work site.SOLUTION: A heat storage box 1 includes: a box 4 including an inflow port 2 of a gas to be heated and an outflow port 3 of the heated gas; a heat storage board 5 which is disposed in the box 4; and a hot water pipe 7 arranged along the heat storage board 5. A pipe holding plate 6 is laminated on the heat storage board 5, and the hot water pipe 7 is disposed in a groove for hot water pipe arrangement 8 provided at the pipe holding plate 6. |
