JPS6134325U

JPS6134325U - Premixture generator for catalytic combustor

Info

Publication number: JPS6134325U
Application number: JP11640084U
Authority: JP
Inventors: 浩吉中堀; 晟北島
Original assignee: 財団法人電力中央研究所
Priority date: 1984-07-31
Filing date: 1984-07-31
Publication date: 1986-03-03

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は接触燃焼式ガスタービン燃焼器の概念を示す断
面図、第２図ａ，ｂ，第３図ａ，ｂは従来の予混合気
形成器の正面図およびそのＡ−Ａ′部矢視断面図、第４
図と第５図ａ，ｂはそれぞれ本考案の一実施例を示
すベンチュリー管の断面図と予混合気形成器の正面図お
よびそのＡ一Ａ′部矢視断面図である。ａ・・・予熱空気、ｂ・・・燃料、１・・・予混合気形
成器、２・・・触媒燃焼器、３・・・蛸足状燃料噴射筒
、３ａ・・・燃料噴射孔、４・・・燃料室、５・・・燃
料室形成筒体、６・・・フランジ、７・・・予熱空気通
路、８・・・直筒状燃料噴射筒、８ａ・・・噴射孔、９
・・・燃料供給口、１０・・・燃料室ミ１０ａ・・・
燃料供給空間、１１・・・燃料噴射用ベンチュリー管、
ｌｌａ・・・ベル型曲面部、１１ｂ・・・漸縮部、１１
ｃ・・・漸拡部、ｌｉｄ・・・縮流部、１１ｅ・・・燃
料噴射孔、１１ｆ・・・肉薄部、１２・・・燃料通路、
１３・・・燃料供給路、１４・・・ベンチュリー管の固
定板。Fig. 1 is a sectional view showing the concept of a catalytic combustion gas turbine combustor, Figs. Sectional view, 4th
5A and 5B are a cross-sectional view of a venturi tube, a front view of a premixture generator, and a cross-sectional view taken along the line A-A', respectively, showing an embodiment of the present invention. a... Preheating air, b... Fuel, 1... Premixture generator, 2... Catalytic combustor, 3... Octopus-shaped fuel injection tube, 3a... Fuel injection hole, 4... Fuel chamber, 5... Fuel chamber forming cylinder, 6... Flange, 7... Preheating air passage, 8... Straight cylindrical fuel injection tube, 8a... Injection hole, 9
...Fuel supply port, 10...Fuel chamber mi 10a...
Fuel supply space, 11... Venturi tube for fuel injection,
lla... Bell-shaped curved surface part, 11b... Relaxation part, 11
c... Gradual expansion part, lid... Contraction part, 11e... Fuel injection hole, 11f... Thin wall part, 12... Fuel passage,
13... Fuel supply path, 14... Venturi tube fixing plate.

Claims

[Scope of utility model registration request]

(1) A bell-shaped curved surface part is provided at the inlet of the venturi tube on the side of the constriction part of the venturi tube, which has a constriction part and a gradual expansion part sandwiching the constriction part, and a fuel injection hole is provided in the constriction part i. Both are characterized in that a fuel injection tube is formed by thinning the portion of the penturi tube that includes the fuel injection hole installation portion, and the fuel injection tube is collectively fixed in a fuel chamber forming space in which fuel supply passages are distributed. Child mixture former for catalytic combustor.

(2) A request for utility model registration in which the inclination angle of the tube wall in the gradual convergence part of a Venturi tube is about 3 degrees, and the inclination angle of the tube wall in the gradual expansion part is about 10 degrees, and there are four fuel injection holes at equal intervals. Range 1
A premixture generator for a catalytic combustor as described in .