HEAD END TURNING SCOOP FOR A GAS TURBINE - BEIJING HUATSING GAS TURBINE & IGCC TECH CO LTD

Title:

HEAD END TURNING SCOOP FOR A GAS TURBINE

Document Type and Number:

WIPO Patent Application WO/2018/205889

Kind Code:

A1

Abstract:

In a combustor (10) for a gas turbine, a head end turning scoop (12) is provided associated with at least one premix nozzle (22,24), each scoop (12) being U-shaped and having a first leg (58), a second leg (60), and a curved base portion (62), each scoop (12) disposed in a flow volume (44), wherein the first leg (58) is disposed adjacent to the cap outer body (68) and the second leg (60) is disposed adjacent to an upstream entry plane (66) of the premixer nozzle entrance (49) with which the scoop (12) is associated. Compressed air is guided from the liner channel (36), around the scoop (12), and into the upstream entry plane (66) of the premixer nozzle entrance (49). Flow of compressed air into the premixer nozzle entrance (49) is substantially even per premixer blade passage (54) to provide a controlled, air-fuel mixture to the nozzle tip (50).

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Inventors:

BLAND ROBERT (US)
BATTAGLIOLI JOHN (US)
ZHANG SHANSHAN (CN)
ZHA XIAOCHEN (CN)

Application Number:

PCT/CN2018/085620

Publication Date:

November 15, 2018

Filing Date:

May 04, 2018

Export Citation:

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Assignee:

BEIJING HUATSING GAS TURBINE & IGCC TECH CO LTD (CN)

International Classes:

F02C7/00; F02C3/14

Foreign References:

US6634175B1	2003-10-21
JPH07208205A	1995-08-08
CN104685297A	2015-06-03
CN102997280A	2013-03-27
CN101029742A	2007-09-05
CN101876437A	2010-11-03
US20160084169A1	2016-03-24

Attorney, Agent or Firm:

ZHONGZI LAW OFFICE (CN)

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