20120272874 | Biomass Fuel Internal Circulation Mechanical Fluidized-Bed Corner Tube Intelligent Boiler - The present invention discloses a biomass fuel internal circulation mechanical fluidized-bed corner tube intelligent boiler which is highly effective in energy-conservation and emission-reduction, which comprises a primary combustion chamber, a secondary combustion chamber, a burning-out chamber, a high temperature multi-tube cyclone dust collector, a heat convection pipe bundle, the hearth of the primary combustion chamber consists of a square membrane water-cooled wall and a profiled seat with a square top and a circular bottom, at the four corners of the seat, there are mounted Venturi tube internal circulators, at the bottom of the hearth, there is mounted a mechanical fluidizing machine; the profiled cyclone separation hearth of the secondary combustion chamber consists of a square membrane water-cooled wall, a profiled seat with a square top and a circular bottom, a profiled fume-venting tube, at the bottom of the hearth, there is mounted a mechanical fluidizing machine; the burning-out chamber is connected with the inlet of the high temperature multi-tube cyclone dust collector; and the outlet of the high temperature multi-tube cyclone dust collector is connected with the heat convection pipe bundle. With the boiler of the present invention, the combustion intensity is high, the combustion is sufficient, no slag formation occurs, the thermal conversion efficiency is high, the pollution of the thermal convection is reduced and the boiler is capable of running stably for a long time, has a wide range of adjustment and is capable of intelligent self-control. | 11-01-2012 |