JPH02127937U

JPH02127937U -

Info

Publication number: JPH02127937U
Application number: JP3427389U
Authority: JP
Priority date: 1989-03-28
Filing date: 1989-03-28
Publication date: 1990-10-22

Description

[Brief explanation of drawings]

第１図は本考案に係るボイラの炉壁とダクトと
の連結部の構造の一実施例を示したものであり、
第４図の−線に沿う部分に相当する断面図、
第２図は第１図の−線に沿う断面図、第３図
は第２図の部の拡大図、第４図は炉壁とダクト
との関係を示した平面図、第５図は従来のボイラ
の炉壁とダクトとの連結部の構造の要部を示した
第４図の−線に沿う部分に相当する断面図、
第６図は第５図の−線方向矢視図、第７図は
従来の他の構造を示した断面図、第８図は第７図
の−線に沿う断面図である。２……炉壁、３……炉壁管、３ａ……垂直管、
３ｃ……曲り管、４……ダクト、８……ダクト板
。 FIG. 1 shows an embodiment of the structure of the connection between the furnace wall and the duct of a boiler according to the present invention.
A sectional view corresponding to the part along the - line in FIG. 4,
Figure 2 is a sectional view taken along the - line in Figure 1, Figure 3 is an enlarged view of the part shown in Figure 2, Figure 4 is a plan view showing the relationship between the furnace wall and the duct, and Figure 5 is the conventional A cross-sectional view corresponding to the part along the - line in FIG. 4 showing the main part of the structure of the connection part between the furnace wall and the duct of the boiler,
6 is a view taken along the - line direction arrow in FIG. 5, FIG. 7 is a sectional view showing another conventional structure, and FIG. 8 is a sectional view taken along the - line in FIG. 2...furnace wall, 3...furnace wall tube, 3a...vertical tube,
3c...bent pipe, 4...duct, 8...duct plate.

Claims

[Scope of utility model registration request]

At a connecting portion of a duct connected to a part or the entire circumference of the furnace wall of a boiler, the furnace wall tubes forming the furnace wall are arranged in a combination of vertical tubes and bent tubes alternately, and the bent tube is A structure of a connecting part between a furnace wall of a boiler and a duct, characterized in that the connecting part is arranged along the inner wall of the duct so as to be in contact with the inner wall of the duct.