JPH0338519U

JPH0338519U -

Info

Publication number: JPH0338519U
Application number: JP9783589U
Authority: JP
Priority date: 1989-08-21
Filing date: 1989-08-21
Publication date: 1991-04-15

Description

[Brief explanation of drawings]

第１図は本考案の実施例を示す概略構成図、第
２図は同要部の側面図、第３図は同正面図、第４
図は第２図のＡ−Ａ断面図、第５図は第３図のＢ
−Ｂ断面図、第６図は第３図のＣ−Ｃ断面図、第
７図は第３図のＤ−Ｄ断面図、第８図は第３図の
Ｅ−Ｅ断面図、第９図は従来例を示す概略構成図
、第１０図は他の従来例を示す概略構成図である
。１……バーナ本体、２……炎孔板、３……予混
合室、４……ガス通路、５……給気通路、７……
バーナケース、８……冷却空気通路、９……仕切
壁、１０……噴出口、１５……環状冷却空気通路
。 Fig. 1 is a schematic configuration diagram showing an embodiment of the present invention, Fig. 2 is a side view of the main parts, Fig. 3 is a front view of the same, and Fig. 4
The figure is a sectional view taken along line A-A in Figure 2, and Figure 5 is B in Figure 3.
-B sectional view, Fig. 6 is a C-C sectional view in Fig. 3, Fig. 7 is a DD sectional view in Fig. 3, Fig. 8 is an E-E sectional view in Fig. 3, Fig. 9 1 is a schematic configuration diagram showing a conventional example, and FIG. 10 is a schematic configuration diagram showing another conventional example. 1... Burner body, 2... Flame hole plate, 3... Premixing chamber, 4... Gas passage, 5... Air supply passage, 7...
Burner case, 8... Cooling air passage, 9... Partition wall, 10... Jet outlet, 15... Annular cooling air passage.

Claims

[Scope of utility model registration request]

A burner body on which a flame hole plate with a large number of flame holes is mounted and a premixing chamber formed below the flame hole plate, a gas passage and an air supply passage connected to the burner body, and a gap around the burner body. a burner case having and surrounding the
and a cooling air passage that guides air branched from the air supply passage to the gap, and a partition wall is provided slightly below the upper end of the gap to form an annular cooling air passage, and the partition wall includes a burner case. A premix combustion device characterized by being provided with an ejection port that ejects cooling air along an inner wall surface.