| 摘要 |
The domestic gas-fired boiler for minimizing the fluctuation of the temperature and stabilizing the potent heat contained at the main heat-exchanger when the supply of the hot-water is stopped, has a burner(5) at the bottom, main heat-exchanger(4) at the middle section, the draft(2) with a fan(3) and the exhaust tube(1), heating water discharging and circulation tubes(20,23) for circulating the hot-water at the main heat exchanger, a connecting section between the hot-water supply tube(21) and the hot-water discharge tube(21') in the main heat-exchanger. The heating-water absorbing tank(6) with a certain capacity prevents the temp. fluctuation of the discharged hot-water and the overheating of the heating water.
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