| 摘要 |
PURPOSE:To reduce sudden reduction of a temperature of hot water to be fed at the time of feed of the hot water, by feeding hot water from a heat source part from the upper part of the inside of a hot water tank through a flow speed attenuator which is made use of a sintered metal. CONSTITUTION:A heating circuit is formed by diverging a taking-in pipe 6 of water into 6a and 6b from the lower part of a hot water tank 3 through a check valve 10 and providing circulating pumps 4a and 4b, heat source parts 5a and 4b, branch pipes 8a and 8b of a feed hot water pipe 8 and the feed hot water pipe 8a respectively in this order. A side wall of a hollow and cylindrical bottomed flow speed attenuator 12 constituted with a sintered metal and a large number of small spouting holes 13 is provided so that spouting is made in a horizontal direction to the hot water tank 3. Diffusion, therefore, within the hot water tank through mingling of low temperature water at a building-up period of the heat source can be prevented from occurring by the flow speed attenuator 12 through quite uniform and, moreover, dispersed spouting, and stabilization of a temperature of hot water at the time of feed of the hot water can be contrived. |
