| 摘要 |
A brown coal boiler is provided to prevent dust and impurities from splashing in a burning process by gathering dust and impurities in a dust collecting unit. A brown coal boiler comprises a casing unit(10) having a heat exchanger(12) formed at an upper unit in a case of the boiler, an upper cover(14) installed at an upper unit of a first through-hole formed at an upper unit of a heat exchanger, and a front cover mounted at a second through-hole formed at the front surface of the boiler; a grate unit having a grate spaced apart from the lower unit of the heat exchanger, and an operation unit connected with the grate to horizontally reciprocate the grate; an ash tray sitting at the lower unit of the grate, and receiving brown coal ashes fallen from the grate; an air supply unit feeding air from the lower unit of the grate to the upper unit to burn the brown coal; a brown coal transmission unit(40) mounted at the back of the casing unit to, and provided with a storing unit(42) storing the brown coal to be burn in the grate whereby the brown coal transmission unit supplies the brown coal in the storing unit with the grate; and a dust collecting unit(50) separating impurities of the brown coal in combustion gas with the centrifugal force when combustion gas of the brown coal burned in the grate moves along a connecting port(10a) formed at one side of the upper unit of the heat exchanger. |
