| 摘要 |
The utility model relates to the heat engineering, in particular to water heating devices. The hot-water gas-fired boiler contains a body in the form of a water jacket, framing a furnace with burners and a gas duct, provided with water inlet and outlet pipes, correspondingly installed in the upper and lower parts of the body, and a smoke flue, connected to the gas duct and placed in the upper part of the body. Into the middle part of the body there are labirynthly placed horizontal hollow partitions, communicating with the cavity of the water jacket, placed one above another and partially covering its cross section. Into the body there are additionally placed two rows of pipes, communicating with the cavity of the water jacket, one of which is placed above the burners, and the second row of pipes on the smoke flue placement level.Claims: 1Fig.: 2
|
