JP6736284B2 - 予混合燃料ノズル組立体 - Google Patents
予混合燃料ノズル組立体 Download PDFInfo
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- JP6736284B2 JP6736284B2 JP2015226191A JP2015226191A JP6736284B2 JP 6736284 B2 JP6736284 B2 JP 6736284B2 JP 2015226191 A JP2015226191 A JP 2015226191A JP 2015226191 A JP2015226191 A JP 2015226191A JP 6736284 B2 JP6736284 B2 JP 6736284B2
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- Prior art keywords
- premix
- fuel nozzle
- nozzle assembly
- pilot
- fuel
- Prior art date
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- 239000000446 fuel Substances 0.000 title claims description 234
- 238000010926 purge Methods 0.000 claims description 65
- 239000012530 fluid Substances 0.000 claims description 29
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 238000004891 communication Methods 0.000 claims description 21
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 description 42
- 238000002485 combustion reaction Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 230000009977 dual effect Effects 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
- F23R3/10—Air inlet arrangements for primary air
- F23R3/12—Air inlet arrangements for primary air inducing a vortex
- F23R3/14—Air inlet arrangements for primary air inducing a vortex by using swirl vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
- F23D17/002—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K5/00—Feeding or distributing other fuel to combustion apparatus
- F23K5/02—Liquid fuel
- F23K5/14—Details thereof
- F23K5/18—Cleaning or purging devices, e.g. filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
- F23R3/283—Attaching or cooling of fuel injecting means including supports for fuel injectors, stems, or lances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
- F23R3/286—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply having fuel-air premixing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
- F23R3/34—Feeding into different combustion zones
- F23R3/343—Pilot flames, i.e. fuel nozzles or injectors using only a very small proportion of the total fuel to insure continuous combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
- F23R3/36—Supply of different fuels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2209/00—Safety arrangements
- F23D2209/30—Purging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/03343—Pilot burners operating in premixed mode
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Description
12 吸気セクション
14 作動流体
16 圧縮機
18 圧縮作動流体
20 燃料
22 燃料供給システム
24 燃焼器
26 燃焼ガス
28 タービン
30 シャフト
32 発電機/モータ
34 排気ガス
36 排気セクション
38 排気スタック
40 外部ケーシング
42 高圧プレナム
44 燃焼室
46 燃料ノズル
48 外側スリーブ
50 環状流路
52 ヘッド末端部
54 端部カバー
56 燃料ノズル組立体
58 共通軸方向中心線
60 中央燃料ノズル組立体
62 燃料/空気混合気
100 予混合燃料ノズル組立体
102 吸気流コンディショナ
104 空気スワーラ組立体
106 環状燃料/空気混合通路
108 パイロット予混合ノズル組立体
110 中央本体
112 バーナー管体
114 スワーラベーン
116 外側スリーブ
118 環状通路
120 燃料噴射ポート
122 燃料回路
124 環状スリーブ
126 内側又は内面
128 外側又は外面
200 パイロット予混合燃料ノズル組立体
202 下流側部分
204 ステム
206 末端部分(ステム)
208 位置合わせ又は離隔特徴部
210 外面(ステム)
212 下流側末端部分(ステム)
214 カップリングカラー
216 位置合わせ又は離隔特徴部
218 外面(カップリングカラー)
220 ベローズ
222 流れ膨張カラー
224 軸方向中心線(パイロット予混合燃料ノズル)
226 予混合先端部
228 パイロット空気通路
230 スリーブ又はライナ(ベローズ)
232 第1の端部(ライナ)
234 第2の端部(ライナ)
236 プレナム又は間隙
238 予混合管体
240 外面(予混合先端部)
242 燃料分配ディスク
244 外面(流れ膨張カラー)
246 外面(燃料分配ディスク)
248 谷部又は溝部
250 入口端部(予混合管体)
252 出口端部(予混合管体)
254 予混合流通路
256 燃料ポート
258 パイロット燃料流路
260 入口通路
262 燃料プレナム
264 開口(カートリッジ用)
300 パージ空気カートリッジ組立体
302 送給管体部
304 先端部
306 外面(パージ空気カートリッジ組立体)
308 パージ空気通路
310 後方壁
312 中心線
314 下流側端部(先端部)
316 軸方向に延びるオリフィス
318 前方側面(後方壁)
320 後方側面(句法壁)
322 インピンジメントプレート
324 インピンジメントプレナム
326 インピンジメント孔
328 上流側部
330 下流側面
332 パージ媒体又は空気
334 半径ギャップ又はキャビティ
336 パージ通路
338 面取り部、傾斜部、又は末広側壁部
400 ガス燃料
402 パイロット予混合空気
404 予混合パイロット燃料−空気混合気
406 反応ゾーン
408 パイロット予混合火炎
410 パージ又は冷却媒体
Claims (14)
- 予混合燃料ノズル組立体(100)であって、
内面を有するスリーブ(124)によって少なくとも部分的に定められる中央本体(110)と、
前記スリーブ内で前記中央本体を貫通して軸方向に延び、前記中央本体内にパイロット空気通路(228)を定めるパイロット予混合燃料ノズル組立体(200)と、
を備え、
前記パイロット予混合燃料ノズル組立体が、複数の予混合管体(238)を有する予混合先端部(226)を含み、前記各予混合管体が予混合通路(254)及び燃料ポート(256)を定め、前記予混合通路が、前記パイロット空気通路と流体連通しており、
前記予混合燃料ノズル組立体(100)が更に、
前記パイロット空気通路内に軸方向に延び、前記パイロット空気通路内にパージ空気通路(308)を定める送給管体部(302)及び先端部(304)を有するパージ空気カートリッジ組立体(300)と、
を備え、前記先端部が、前記予混合先端部によって定められる開口(264)を少なくとも部分的に貫通して延びた後壁(310)を含み、該後壁が単一の軸方向に延びるオリフィス(316)を有し、該オリフィスが、前記パージ空気通路と流体連通している、予混合燃料ノズル組立体(100)。 - 前記オリフィスが、前記パージ空気カートリッジ組立体及び前記パイロット予混合燃料ノズル組立体のうちの少なくとも1つの軸方向中心線と同心状に整列されている、請求項1に記載の予混合燃料ノズル組立体。
- 前記パージ空気カートリッジ組立体が更に、前記後壁の前方側面(318)から上流側で前記パイロット空気通路内に配置されたインピンジメントプレート(322)を含む、請求項1に記載の予混合燃料ノズル組立体。
- 前記インピンジメントプレートが、前記後壁の前方側面に対してパージ媒体(332)の流れを配向するような向きにされた複数のインピンジメント孔(326)を含む、請求項3に記載の予混合燃料ノズル組立体。
- 前記インピンジメントプレートが、該インピンジメントプレートと前記後壁との間にインピンジメントプレナム(324)を少なくとも部分的に定める、請求項3又は請求項4に記載の予混合燃料ノズル組立体。
- 前記後壁が、傾斜側壁(338)と、該傾斜側壁を通って半径方向に延びる複数のパージ通路(336)とを含み、該パージ通路が、前記パージ空気通路と流体連通している、請求項1乃至請求項5のいずれか1項に記載の予混合燃料ノズル組立体。
- 前記パージ空気カートリッジ組立体の後壁が、前記パイロット予混合燃料ノズル組立体の予混合先端部に定められる開口(264)内で半径方向キャビティ(334)を少なくとも部分的に定め、前記複数のパージ通路が、前記キャビティに向けられる、請求項6に記載の予混合燃料ノズル組立体。
- 前記パイロット予混合燃料ノズル組立体が、前記予混合先端部から上流側で順番に連結されたステム(204)、カップリングカラー(214)、ベローズ(220)、及び流れ膨張カラー(222)を含む、請求項1乃至請求項7のいずれか1項に記載の予混合燃料ノズル組立体。
- 前記ベローズを円周方向で取り囲むライナ(230)を更に備え、前記ベローズ及び前記ライナが、これらの間にプレナム(236)を少なくとも部分的に定める、請求項8に記載の予混合燃料ノズル組立体。
- 燃焼器(24)であって、
端部カバー(54)と、
中央燃料ノズル(60)の周りで環状に配置された複数の予混合燃料ノズル組立体(100)と、
を備え、前記複数の予混合燃料ノズル組立体の各予混合燃料ノズル組立体及び前記中央燃料ノズルが、前記端部カバーに固定連結され、前記予混合燃料ノズル組立体の各々が請求項1乃至請求項9のいずれか1項に記載の予混合燃料ノズル組立体である、燃焼器(24)。 - 前記複数の予混合燃料ノズル組立体の各々が、前記パイロット予混合燃料ノズル組立体と前記中央本体のスリーブの内面との間で半径方向に定められたパイロット燃料流路(258)を含む、請求項10に記載の燃焼器。
- 前記複数の予混合燃料ノズル組立体の各々が、前記中央本体のスリーブの内面と前記予混合先端部の外面との間に少なくとも部分的に定められた燃料プレナム(262)を含んでおり、前記燃料ポートが、前記燃料プレナムと前記予混合通路との間の流体連通をもたらす、請求項10又は請求項11に記載の燃焼器。
- 前記パイロット予混合燃料ノズル組立体の複数の予混合管体が、前記燃料プレナム内に配置される、請求項12に記載の燃焼器。
- 前記複数の予混合管体の出口端部が、前記予混合先端部の燃料分配ディスク部(242)の周りで環状に配置される、請求項10乃至請求項13のいずれか1項に記載の燃焼器。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/555,143 US9714767B2 (en) | 2014-11-26 | 2014-11-26 | Premix fuel nozzle assembly |
US14/555,143 | 2014-11-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016098830A JP2016098830A (ja) | 2016-05-30 |
JP6736284B2 true JP6736284B2 (ja) | 2020-08-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015226191A Active JP6736284B2 (ja) | 2014-11-26 | 2015-11-19 | 予混合燃料ノズル組立体 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9714767B2 (ja) |
JP (1) | JP6736284B2 (ja) |
DE (1) | DE102015120448A1 (ja) |
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2014
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US20160146460A1 (en) | 2016-05-26 |
US9714767B2 (en) | 2017-07-25 |
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