CN2866856Y - 燃气轮机燃气喷嘴装置 - Google Patents

燃气轮机燃气喷嘴装置 Download PDF

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Publication number
CN2866856Y
CN2866856Y CN 200520052590 CN200520052590U CN2866856Y CN 2866856 Y CN2866856 Y CN 2866856Y CN 200520052590 CN200520052590 CN 200520052590 CN 200520052590 U CN200520052590 U CN 200520052590U CN 2866856 Y CN2866856 Y CN 2866856Y
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gas
model
hole
slotted eye
suction tude
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CN 200520052590
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陈文烽
陈薇新
林胜利
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China National South Aviation Industry Co Ltd
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CHINA NANFANG AVIATION POWER MACHINERY Co
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Abstract

本实用新型涉及一种燃气轮机燃气喷嘴装置。由多面体的喷头、接头体、进气管及密封件构成。在多面体的喷头上均布有几何形状的孔或槽孔。本实用新型结构简单,易维护,工作可靠。根据不同燃料气体的热值,流量及介质压力,更换不同的连接管及喷头。燃烧效果好,适应燃料面广。

Description

燃气轮机燃气喷嘴装置
技术领域
本实用新型涉及一种燃烧喷嘴装置,特别是涉及用于燃气轮机的燃气喷嘴装置。
背景技术
日前燃气轮机发电机组,大多采用煤油、柴油等作为燃料,但燃气轮机发电机组对燃料的要求较高,燃油在进入燃气轮机前必须先通过一定的雾化装置将燃油完全雾化后方可进行充分燃烧。而现有燃料喷嘴的孔径小,数量多,雾化主要依靠流速来实现,造成压损大,燃料适用的范围小,随着石油市场紧缺,油价不断上涨,发电成本增加,各种可燃气体如煤层瓦斯气、天然气、焦炉煤气、沼气、化工尾气等在燃气轮机发电机组中得到了广泛应用。但现有燃气喷嘴的开孔面积不能与之相适应,造成燃烧不充分,污染大,能源浪费大。
发明内容
本实用新型克服了现有技术孔径小,数量多的缺点,提出了一种构造简单、安装快捷,质量可靠,且可根据不同燃料更换不同的燃气喷嘴装置。
本实用新型是这样实现的。
本实用新型由喷头、接头体、进气管,密封件及外套螺母构成,进气管上固接有接头管体,套管与燃气总管接头相接,其主要特点是所述的喷头为多面体,在多面体上均布有几何形状的孔或槽孔;所述的孔或槽孔的开口总面积为25mm2~145mm2,孔或槽孔的开口总面积与进气管内径面积之比为8%~70%,孔或槽孔开口总面积与多面体表面积之比为8%~80%。
采用本实用新型的喷嘴装置,结构简单,工作可靠,根据不同燃料气体的热值,流量及介质压力,更换不同的连接管及喷头。燃烧效果好,工作效率大大提高。
附图说明
图1为本实用新型结构示意图;
图2为本实用新型实施例1的图1的A向示意图;
图3为本实用新型实施例2的图1的A向示意图。
图中:1喷头,2接头体,3进气管,4密封件,5密封盖板,6密封圈,7外套螺母,8套管,9总管接头,10喷孔,11喷槽。
具体实施方式
从图1、图2和图3可以看出,本实用新型燃气总管接头9固接在燃气轮机燃烧介质总管上,多面体(可以是球形、棱形等)喷头1,接头体2与进气管3固连接,进气管3与燃气总管接头9由套管8连接,并由外套螺母7锁紧。所述的多面体喷头1上均布有φ1mm~φ4mm的孔10,孔10开口总面积为25mm2~145mm2,进气管3的管内径为φ8mm~φ20mm,孔10的开口总面积与进气管3的管内径面积之比为8%~70%,孔10的开口总面积与球面表面积之比为8%~80%。燃烧室内部与外界通过密封盖板5进行隔离,连接杆3与密封盖板5之间由密封件4,密封圈6进行密封。
实施例2
根据不同燃烧气体的热值,流量及介质压力,更换不同管径的进气管3及多面体喷头1,由图3可知,所说的进气管3内径直径为φ8mm~φ20mm,多面体喷头1上均布有开口为槽形的槽孔11。其开口总面积为25mm2~145mm2,槽孔11开口总面积与进气管3的内径面积之比为8%~70%,槽孔11开口总面积与喷头1表面积之比为8%~80%。

Claims (2)

1、一种燃气轮机燃气喷嘴装置,由喷头(1)、接头体(2)、进气管(3)、及密封件(4)构成,进气管(3)上固接有接头体(2)和套管(8),燃气总管接头(9),其特征在于:所述的喷头(1)为多面体,在多面体的喷头(1)上均布有几何形状的孔(10)或槽孔(11)。
2、根据权利要求1所述的喷嘴装置,其特征在于:所述的孔(10)或槽孔(11)的开口总面积为25mm2~145mm2,孔(10)或槽孔(11)的开口总面积与进气管(3)内管径面积之比为8%~70%,孔(10)或槽孔(11)的开口总面积与多面体面积之比为8%~80%。
CN 200520052590 2005-11-30 2005-11-30 燃气轮机燃气喷嘴装置 Expired - Lifetime CN2866856Y (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102124198A (zh) * 2008-08-20 2011-07-13 伍德沃德公司 无支柱/杆的燃料喷射器
EP4224065A1 (en) * 2022-02-07 2023-08-09 Doosan Enerbility Co., Ltd. Micro-mixer and gas turbine including same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102124198A (zh) * 2008-08-20 2011-07-13 伍德沃德公司 无支柱/杆的燃料喷射器
CN102124198B (zh) * 2008-08-20 2013-11-20 伍德沃德公司 无支柱/杆的燃料喷射器
EP4224065A1 (en) * 2022-02-07 2023-08-09 Doosan Enerbility Co., Ltd. Micro-mixer and gas turbine including same

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Owner name: CHINA SOUTHERN CO. AVIATION INDUSTRIAL CO.,LTD.

Free format text: FORMER OWNER: NANFANG AVIATION POWER MACHINERY CORP, CHINA

Effective date: 20070720

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Address after: 412002, Hunan City, Zhuzhou Province

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Patentee before: China Nanfang Aviation Power Machinery Co.

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Owner name: CHINA NATIONAL SOUTH AVIATION INDUSTRY (GROUP) CO.

Free format text: FORMER NAME: NANFANG AVIATION IND CO., LTD., CHINA

CP01 Change in the name or title of a patent holder

Address after: 412002, Hunan City, Zhuzhou Province

Patentee after: China Southern Airlines Industry (Group) Co., Ltd.

Address before: 412002, Hunan City, Zhuzhou Province

Patentee before: Nanfang Aviation Ind Co., Ltd., China

CX01 Expiry of patent term

Granted publication date: 20070207

EXPY Termination of patent right or utility model