JPS648012U

JPS648012U -

Info

Publication number: JPS648012U
Application number: JP9851087U
Authority: JP
Priority date: 1987-06-29
Filing date: 1987-06-29
Publication date: 1989-01-17

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例における一次空気デ
イストリビユータの要部縦断面図、第２図は第１
図の−方向の平断面図、第３図は第１図の斜
視図である。第４図は従来の循環型流動層ボイラ
の説明用断面図、第５図は第４図の一次空気供給
管の要部拡大斜視図、第６図は第５図の一次空気
デイストリビユータの拡大斜視図である。９……デンスベツト、１３……供給管、３０…
…一次空気デイストリビユータ、３０Ａ……キヤ
ツプ部材、３０Ｂ……筒状体、３０Ｃ……リング
状スリツト、３３……傾斜切口、ａ……一次空気
、α……傾斜角度。 Fig. 1 is a vertical sectional view of the main part of a primary air distributor in one embodiment of the present invention, and Fig.
FIG. 3 is a plan sectional view in the - direction of the figure, and FIG. 3 is a perspective view of FIG. 1. Figure 4 is an explanatory cross-sectional view of a conventional circulating fluidized bed boiler, Figure 5 is an enlarged perspective view of the main part of the primary air supply pipe in Figure 4, and Figure 6 is an illustration of the primary air distributor in Figure 5. It is an enlarged perspective view. 9...Dense bed, 13...Supply pipe, 30...
...Primary air distributor, 30A... Cap member, 30B... Cylindrical body, 30C... Ring-shaped slit, 33... Inclined cut, a... Primary air, α... Inclination angle.

Claims

[Scope of utility model registration request]

As a primary air distributor installed in a supply pipe that supplies primary air from the lower part of the dense bed of a circulating fluidized bed boiler, it has a slanted cut at the top of a cylindrical body with a closed top surface that has an angle of repose greater than the angle of repose of sand, etc. A primary air distributor for a circulating fluidized bed boiler constructed by providing a ring-shaped slit.