公开(公告)号：US20140013760A1

公开(公告)日：2014-01-16

申请号：US13937538

申请日：2013-07-09

Applicant: ALSTOM Technology Ltd

Inventor： Ennio PASQUALOTTO ,  Hanspeter KNOPFEL

IPC: F23R3/28

CPC classification number: F23R3/286 ,  F23C7/002 ,  F23C2900/07002

Abstract: The invention relates to a premix burner of the multi-cone type for a gas turbine, that includes a plurality of shells, which are arranged around a central burner axis and are parts of a virtual, axially extending common cone, which opens in a downstream direction, whereby said parts are displaced perpendicular to said burner axis such that a tangential slot is defined between each pair of adjacent shells. A disadvantageous transition piece between the shells and a downstream mixing tube is avoided by bordering the downstream ends of the shells by intersecting planes, which are defined by intersecting said shells with a virtual coaxial cylinder of a predetermined radius.

Abstract translation: 本发明涉及一种用于燃气轮机的多锥型预混合燃烧器，其包括多个壳体，其围绕中心燃烧器轴线布置并且是虚拟的轴向延伸的公共锥体的部分，其在下游 方向，由此所述部件垂直于所述燃烧器轴线移动，使得在每对相邻壳体之间限定切向狭槽。 通过与所述壳体与预定半径的虚拟同轴圆柱体相交限定的相交平面接合壳体的下游端部来避免壳体和下游混合管之间的不利过渡件。