JPS59124808U

JPS59124808U - Pulverized coal combustion equipment

Info

Publication number: JPS59124808U
Application number: JP1551683U
Authority: JP
Inventors: 清楢戸; 茂小豆畑; 紀夫嵐; 徹稲田; 憲一相馬
Original assignee: 株式会社日立製作所; バブコツク日立株式会社
Priority date: 1983-02-07
Filing date: 1983-02-07
Publication date: 1984-08-22

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図は低ＮＯｘバーナの断面図、第２図は対向燃焼ボ
イラ断面路図、第３図は従来のバーナ配置図、第４図は
前面燃焼型ボイラ断面路図、第５図は本考案のバーナ配
置図、第６図は従来法のバーナ配列による燃焼試験結果
を示す線図、第７図は本考案のバーナ配置による試験結
果を示す線図である。１・・・低ＮＯｘバーナ、２〜４・・・ノズル、５・・
・微粉炭と空気の混合流、６．７・・・空気、８〜１０
・・・火炎、１１・・・旋回羽根、１２・・・ボイラ、
１３〜１８・・・微粉炭バーナ、１９〜２４・・・微粉
炭と空気の混合流、２５〜３６・・・空気、３７〜３８
・・・伝熱管群、３９・・・排ガス、４０〜６０・・・
微粉炭バーナ。Figure 1 is a cross-sectional view of a low NOx burner, Figure 2 is a cross-sectional view of an opposed combustion boiler, Figure 3 is a conventional burner layout, Figure 4 is a cross-sectional view of a front-fired boiler, and Figure 5 is a cross-sectional view of the present invention. FIG. 6 is a diagram showing the combustion test results using the conventional burner arrangement, and FIG. 7 is a diagram showing the test results using the burner arrangement according to the present invention. 1...Low NOx burner, 2-4...Nozzle, 5...
・Mixed flow of pulverized coal and air, 6.7... Air, 8 to 10
...Flame, 11...Swirling vane, 12...Boiler,
13-18...Pulverized coal burner, 19-24...Mixed flow of pulverized coal and air, 25-36...Air, 37-38
...Heat transfer tube group, 39...Exhaust gas, 40-60...
Pulverized coal burner.

Claims

[Scope of utility model registration request]

A combustion device comprising a burner equipped with two or more powder combustion atomizers, a pulverizer for pulverizing solid fuel, and means for pneumatically transporting the fuel pulverized by the pulverizer to each burner, A pulverized coal combustion device characterized by burners arranged in a staggered manner.