JPS6374966U - - Google Patents
Info
- Publication number
- JPS6374966U JPS6374966U JP16500786U JP16500786U JPS6374966U JP S6374966 U JPS6374966 U JP S6374966U JP 16500786 U JP16500786 U JP 16500786U JP 16500786 U JP16500786 U JP 16500786U JP S6374966 U JPS6374966 U JP S6374966U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- fuel
- sub
- stage
- gas turbine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000446 fuel Substances 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Description
第１図は本考案の一実施例の二段燃焼器全体の
構成図、第２図は従来の燃料濃度場制御構造の最
適値を示す線図、第３図はガスタービン作動領域
の燃料制御運転法の説明線図、第４図は本考案の
予混合燃料濃度場制御を目的とした燃焼作動範囲
の説明図、第５図は本考案の具体的な第二段燃料
導入部の拡大図、第６図は第５図の局部縦断面図
、第７図はガスタービン低負荷及び高負荷燃焼時
の燃料噴出孔からの噴流パターンの説明図、第８
図は分流板の形状図、第９図は燃料の分離特性図
、第１０図、第１１図は他の応用例を示す説明図
、第１２図、第１３図は本考案のＮＯｘ，ＣＯ特
性を示した。
１９…環状空気流路部、２０…燃料噴出孔、２
２…分流板、２３…内側空気流路部、２４…外側
空気流路部、２７…混合板。
Figure 1 is an overall configuration diagram of a two-stage combustor according to an embodiment of the present invention, Figure 2 is a diagram showing the optimum value of the conventional fuel concentration field control structure, and Figure 3 is a diagram showing fuel control in the gas turbine operating region. An explanatory diagram of the operating method, Fig. 4 is an explanatory diagram of the combustion operating range for the purpose of controlling the premixed fuel concentration field of the present invention, and Fig. 5 is an enlarged view of the specific second stage fuel introduction section of the present invention. , FIG. 6 is a partial longitudinal sectional view of FIG. 5, FIG. 7 is an explanatory diagram of the jet pattern from the fuel nozzle during low-load and high-load combustion of the gas turbine, and FIG.
The figure shows the shape of the flow divider plate, Figure 9 shows the fuel separation characteristics, Figures 10 and 11 are explanatory diagrams showing other application examples, and Figures 12 and 13 show the NOx and CO characteristics of the present invention. showed that. 19...Annular air flow path section, 20...Fuel injection hole, 2
2... Diversion plate, 23... Inner air flow path section, 24... Outer air flow path section, 27... Mixing plate.
Claims (1)
成し、前記副燃焼室には第一段目の燃料ノズルを
設置して、該副燃焼室で形成された燃焼火炎に主
燃焼室上流側に第二段目の燃料導入機構を設け、
旋回器を介して可燃混合気を供給して燃焼を行う
ガスタービン燃焼器において、前記第二段旋回器
上流側の環状空気流路部の内壁から外壁に向つて
燃料を噴出させる噴孔部を設け、該噴孔部近傍で
且つ下流側に空気流路部を内外に区分する環状の
分流板を備えたことを特徴とするガスタービン燃
焼器。 It consists of a main combustion chamber with a larger diameter than the head sub-combustion chamber, and a first-stage fuel nozzle is installed in the sub-combustion chamber, so that the combustion flame formed in the sub-combustion chamber is directed upstream of the main combustion chamber. A second stage fuel introduction mechanism is installed on the side,
In a gas turbine combustor that performs combustion by supplying a combustible air-fuel mixture through a swirler, a nozzle hole section that injects fuel from an inner wall toward an outer wall of an annular air passage section upstream of the second stage swirler is provided. 1. A gas turbine combustor, comprising: an annular flow divider plate disposed near the nozzle hole portion and on the downstream side that divides an air flow path portion into inner and outer portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16500786U JPS6374966U (en) | 1986-10-29 | 1986-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16500786U JPS6374966U (en) | 1986-10-29 | 1986-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6374966U true JPS6374966U (en) | 1988-05-18 |
Family
ID=31094648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16500786U Pending JPS6374966U (en) | 1986-10-29 | 1986-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6374966U (en) |
-
1986
- 1986-10-29 JP JP16500786U patent/JPS6374966U/ja active Pending
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