Fluidized bed reactor

Abstract

A fluidized bed reactor (1) comprising a reactor chamber (4) having a gas distributor plate (5) for feeding primary air, and a space above said distributor plate (5) is divided into compartments (6) by means of partition walls (7) having discharge openings (9) for feeding secondary air to the circulating bed.

What is claimed is: .[.1. A fluidized bed reactor comprising: 
     
        discharge openings are defined..]. 6. A method of supplying primary and secondary gas to a fluidized bed reactor which has a reactor chamber having a gas distributor plate disposed in the chamber, comprising the steps of: (a) feeding primary gas into the reactor chamber through the gas distributor plate;   (b) separating the space above the gas distributor plate into a plurality of compartments defined by generally vertical walls;   (c) supplying secondary gas into each of the compartments at different heights along the vertical walls defining the compartments, the gas   
     
     
        initially flowing into the compartments with a horizontal vector. 7. A method as recited in claim 6 wherein step (b) is practiced by providing vertical walls defining the compartments extending to a height of between 
     
     
        0.6-4 meters. 8. A method as recited in claim 6 wherein step (b) is practiced by providing vertical walls defining the compartments extending 
     
     
        to a height of between 1.5-2.5 meters. 9. A method as recited in claim 6 comprising the further step of separately regulating the feed of secondary gas into the .[∂]. .Iadd.different .Iaddend.compartments. 
     
     
            A fluidized bed reactor comprising: a reactor chamber;   a gas distributor plate disposed in said reactor chamber;   means for supplying primary gas to the reactor chamber through said gas distributor plate; and   means for providing secondary gas to said reactor chamber above said distributor plate, said means comprising partition wall means which divide the space immediately above the gas distributor plate into compartments, and means defining discharge openings in said partition .[.walls.]. .Iadd.wall means .Iaddend.for the supply of secondary gas through the discharge openings into the compartments, said partition .[.walls.]. .Iadd.wall means .Iaddend.extending to a height between 0.6-4 meters above   
     
     
        the surface of said gas distributor plate. 11. A reactor as recited in claim 10 wherein said partition .[.walls.]. .Iadd.wall means .Iaddend.extend to a height of between 1.5-2.5 meters above the surface of 
     
     
        said gas distributor plate. 12. A reactor as recited in claim 11 wherein said means for defining discharge openings in said partition .[.walls.]. .Iadd.wall means .Iaddend.define discharge openings at different heights in said partition .[.walls.]. .Iadd.wall means .Iaddend.so that the secondary gas is relatively uniformly distributed in said compartments. 
     
     
            A reactor as recited in claim 12 further comprising means for separately regulating the feed of secondary gas into different compartments defined by said partition .[.walls.]. .Iadd.wall 
     
     
        means.Iaddend.. 14. A reactor as recited in claim 10 wherein said means for defining discharge openings in said partition .[.walls.]. .Iadd.wall means .Iaddend.define discharge openings at different heights in said partition .[.walls.]. .Iadd.wall means .Iaddend.so that the secondary gas 
     
     
        is relatively uniformly distributed in said compartments. 15. A reactor as recited in claim 10 further comprising means for separately regulating the feed of secondary gas into different compartments defined by said 
     
     
        partition .[.walls.]. .Iadd.wall means.Iaddend.. 16. A fluidized bed reactor comprising: a reactor chamber;   a gas distributor plate disposed in said reactor chamber;   means for supplying primary gas to the reactor chamber through said gas distributor plate; and   means for providing secondary gas to said reactor chamber above said distributor plate, said means comprising partition wall means which divide the space immediately above the gas distributor plate into compartments, and means defining discharge openings in said partition .[.walls.]. .Iadd.wall means .Iaddend.for the supply of secondary gas through the discharge openings into the compartments;   said means for defining discharge openings in said partition .[.walls.]. .Iadd.wall means .Iaddend.defining discharge openings at different heights in said partition .[.walls.]. .Iadd.wall means .Iaddend.so that the secondary gas is relatively uniformly distributed in said compartments.   
     
     
            A fluidized bed reactor comprising: a reactor chamber;   a gas distributor plate disposed in said reactor chamber;   means for supplying primary gas to the reactor chamber through said gas distributor plate; and   means for providing secondary gas to said reactor chamber above said distributor plate, said means comprising partition wall means which divide the space immediately above the gas distributor plate into compartments, and means defining discharge openings in said partition .[.walls.]. .Iadd.wall means .Iaddend.for the supply of secondary gas through the discharge openings into the compartments;   said means for defining discharge openings in said .[.discharge walls.]. .Iadd.partition wall means .Iaddend.defining openings .[.in said partition walls.]. at selected heights that open into each compartment defined by the partition wall .Iadd.means .Iaddend.in which said discharge openings   
     
     
        are defined. 18. A reactor as recited in claim 17 further comprising means for separately regulating the feed of secondary gas into different compartments defined by said partition .[.walls.]. .Iadd.wall 
     
     
        means.Iaddend.. 19. A method as recited in claim 7 including preventing 
     
     
        the passage of particles through the vertical walls. .Iadd.20.  A fluidized bed reactor comprising: a reactor chamber;   a gas distributor plate disposed in said reactor chamber;   means for supplying primary gas to the reactor chamber through said gas distributor plate;   means for providing secondary gas to said reactor chamber above said distributor plate, said means comprising partition wall means which divide the space immediately above the gas distributor plate into compartments, and means defining discharge openings in said partition wall means for the supply of secondary gas through the discharge openings into the compartments, said partition wall means and the flow of secondary gas through the openings preventing particles from entering said partition wall means; and   means for separately regulating the feed of secondary gas into different compartments defined by said partition wall means. .Iaddend. .Iadd.21. A fluidized bed reactor comprising:   a reactor chamber;   a gas distributor plate disposed in said reactor chamber;   means for supplying primary gas to the reactor chamber through said gas distributor plate; and   means for providing secondary gas to said reactor chamber above said distributor plate, said means comprising partition wall means which divide the space immediately above the gas distributor plate into compartments, and means defining discharge openings in said partition wall means for the supply of secondary gas through the discharge openings into the compartments, said partition wall means and the flow of secondary gas through the openings preventing particles from entering said partition wall means, and wherein said means for defining discharge openings in said partition wall means define discharge openings at different heights in said partition wall means so that the secondary gas is relatively   
     
     
        uniformly distributed in said compartments. .Iaddend. .Iadd.22.  A fluidized bed reactor comprising: a reactor chamber;   a gas distributor plate disposed in said reactor chamber;   means for supplying primary gas to the reactor chamber through said gas distributor plate; and   means for providing secondary gas to said reactor chamber above said distributor plate, said means comprising partition wall means which divide the space immediately above the gas distributor plate into compartments, and means defining discharge openings in said partition wall means for the supply of secondary gas through the discharge openings into the compartments, said partition wall means and the flow of secondary gas through the openings preventing particles from entering said partition wall means, and wherein said means defining openings in said partition wall means define openings in said partition wall means at selected heights that open into each compartment defined by the partition wall means in which said discharge openings are defined. .Iaddend. .Iadd.23. A fluidized bed reactor comprising:   a reactor chamber defined by a peripherally continuous wall;   a gas distributor plate disposed in said reactor chamber;   means for supplying primary gas to the reactor chamber through said gas distributor plate; and   means for providing secondary gas to said reactor chamber above said distributor plate, said means comprising partition wall means which divide the space immediately above the gas distributor plate into compartments, and means defining discharge openings in said partition wall means for the supply of secondary gas through the discharge openings into the compartments, said partition wall means and the flow of secondary gas through the openings preventing particles from entering said partition wall means; and a plurality of secondary gas inlets disposed in and distributed peripherally about said peripherally continuous wall, and a plurality of secondary gas ducts within the interior of said reactor chamber and spaced from said peripherally continuous wall, said secondary gas ducts each having a secondary gas outlet located downstream of said gas distributor plate in said first direction; and   means for separately regulating the flow of secondary gas to said discharge openings and said secondary gas inlets. .Iaddend.