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Annular combustion chamber bypass

A technology of annular combustion chamber and burner, applied in combustion chamber, continuous combustion chamber, combustion method, etc., can solve problems such as limitation of available partial load range of gas turbine, achieve simple assembly and disassembly, reduce emissions, combustion temperature high effect

Inactive Publication Date: 2016-11-09
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To avoid this, the usable part load range of gas turbines is limited

Method used

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  • Annular combustion chamber bypass
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Examples

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Embodiment Construction

[0023] figure 1 The combustion system of the annular combustion chamber 1 according to the invention is shown schematically and by way of example. The annular combustion chamber 1 is formed by a closed ring arranged around the axis of rotation 2 . The burner 3 is arranged in the inlet 4 in the upper region of the combustion chamber 1 . There, fuel 5 is mixed with compressed air 6 . Combustion itself takes place in the combustion chamber 1 . The hot combustion gases pass through the outlet 7 into the turbine chamber 8 where they come into contact with the first blades 9 . For protection prior to ignition, the annular combustion chamber 1 is lined with a ceramic heat shield 10 and a metal heat shield 11 , which are fastened to a housing 12 .

[0024] According to the invention, the combustion chamber casing 12 is provided with a channel in the region of the outlet 7 between the last ceramic heat shield row 13 (ie the penultimate heat shield row) and the metallic inlet shell ...

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Abstract

The invention relates to an annular combustor (1) for a gas turbine, said annular combustor having a casing (12) with at least one inlet (4) for a burner (3) and opening to a turbine An outlet (7) in the chamber (8), characterized in that a sealable and substantially connected to the annular combustion chamber (1) is provided in the housing (12) in the region of the outlet (7). A channel (14) oriented parallel to the axis of symmetry (2) through which compressed air can be introduced into said annular combustion chamber (1). The invention also relates to a gas turbine.

Description

technical field [0001] The invention relates to an annular combustion chamber with a bypass device for reducing carbon monoxide emissions during part-load operation and to a gas turbine with such an annular combustion chamber. Background technique [0002] During part load operation of the gas turbine, the combustion temperature in the combustion chamber drops. As a result, the temperature also falls below a minimum value in the primary zone which is relevant for carbon monoxide emissions, so that the generation or emission of carbon monoxide is increased. Since this is to be avoided, the usable part load range of the gas turbine is limited. Contents of the invention [0003] The technical problem addressed by the invention is to provide an annular combustion chamber of the aforementioned type which makes it possible to significantly increase the usable part load range. [0004] The technical problem is solved by an annular combustion chamber, it being provided that such...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23R3/04F23R3/26
CPCF23R3/04F23R3/26F23R3/08
Inventor F.本克勒T.布兰登堡O.戴斯T.格里布M.林克N.萨维利厄斯D.沃格特曼J.威尔克斯
Owner SIEMENS AG
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