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    COMBUSTION SYSTEM FOR A BOILER
    1.
    发明申请
    COMBUSTION SYSTEM FOR A BOILER 审中-公开
    锅炉燃烧系统

    公开(公告)号：US20160153657A1

    公开(公告)日：2016-06-02

    申请号：US14934221

    申请日：2015-11-06

    Applicant: ALSTOM Technology Ltd

    Inventor： Thomas HILBER ,  Thomas WILD ,  Dragisa RISTIC ,  Noel FRANCON

    IPC: F23D99/00 ,  F23D23/00 ,  F23D14/04

    CPC classification number: F23D91/04 ,  F23C7/02 ,  F23C2201/101 ,  F23C2900/06041 ,  F23D1/00 ,  F23D14/04 ,  F23D23/00 ,  F23D2201/20

    Abstract: The present disclosure relates to a system and a method for combustion of solid fuels. The combustion system includes burners which supply a mixed flow of fuel and air through a fuel nozzle to the combustion chamber for example of a boiler. The mixed flow of fuel and primary air is supplied to the burner through a duct from a pulverizer where the fuel is grinded to the required finesse. The duct further bends in such a way that one portion is vertical with respect parallel to axis of the boiler 1 A-A is vertical duct and other portion is horizontal duct which is parallel to axis B-B of the fuel nozzle.

    Abstract translation: 本公开涉及固体燃料的燃烧系统和方法。 燃烧系统包括燃烧器，燃烧器通过燃料喷嘴将燃料和空气的混合流提供给例如锅炉的燃烧室。 燃料和一次空气的混合流体通过管道从燃料被粉碎到所需的精细度的粉碎机供给燃烧器。 管道进一步弯曲，使得一部分相对于锅炉的轴线垂直.A-A是垂直管道，而其它部分是与燃料喷嘴的轴线B-B平行的水平管道。

    COMBUSTION SYSTEM
    2.
    发明申请
    COMBUSTION SYSTEM 有权
    燃烧系统

    公开(公告)号：US20160061446A1

    公开(公告)日：2016-03-03

    申请号：US14835793

    申请日：2015-08-26

    Applicant: ALSTOM Technology Ltd

    Inventor： Thomas HILBER ,  Bernd Greiner ,  Hans-Peter Schommer ,  Noel Francon ,  Helmut Jaiser

    IPC: F23N3/00 ,  F23B40/04 ,  F23C5/08 ,  F23D1/00

    CPC classification number: F23K3/02 ,  F23C5/08 ,  F23C6/047 ,  F23C7/006 ,  F23C2201/101 ,  F23K2203/006 ,  F23K2203/201

    Abstract: A combustion system having a furnace defining a combustion chamber includes a first burner disposed at an upper elevation of the combustion chamber and a second burner and a third burner disposed at a lower elevation of the combustion chamber. A first duct extends vertically to convey therein a fuel flow of gas and pulverized fuel. A second duct branches from the first duct to the first burner to convey a first portion of the fuel flow, which is fuel lean, to define a fuel lean flow, wherein a second portion of the fuel flow passes through the first duct as a fuel rich flow. A third duct includes one end disposed longitudinally within the first duct. An impeller is disposed within the first duct upstream of the branching of the second duct and downstream of the one end of the third duct disposed in the first duct. The impeller includes a plurality of blades to direct outwardly the pulverized fuel of the fuel rich flow to provide a fuel reduced content flow passing through the second duct to the second burner, and a fuel concentrated content flow passing through first duct to the first burner.

    Abstract translation: 具有限定燃烧室的炉的燃烧系统包括设置在燃烧室的上部的第一燃烧器和设置在燃烧室的下部高度处的第二燃烧器和第三燃烧器。 第一管道垂直延伸以在其中传送气体和粉碎燃料的燃料流。 第二管道从第一管道分支到第一燃烧器以输送燃料流的第一部分，燃料流是燃料稀薄的，以限定燃料贫化流，其中燃料流的第二部分作为燃料通过第一管道 丰富的流量。 第三管道包括纵向设置在第一管道内的一端。 叶轮设置在第二管道的分支的上游的第一管道内，并且设置在第一管道中的第三管道的一端的下游。 叶轮包括多个叶片，用于向外引导富燃料流的粉碎燃料，以将通过第二管道的燃料减少的内容物流提供给第二燃烧器，以及通过第一管道到第一燃烧器的燃料浓缩物流。

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