JPS61149682U

JPS61149682U -

Info

Publication number: JPS61149682U
Application number: JP3166185U
Authority: JP
Priority date: 1985-03-05
Filing date: 1985-03-05
Publication date: 1986-09-16

Description

[Brief explanation of drawings]

第１図は本考案におけるヒレ付伝熱管のヒレ形
状を使用した多管式貫流ボイラーの縦断面図、第
２図は第１図の横断面図、第３図イは一部拡大横
断面図、第３図ロは第３図イの―断面図、第
４図は第１図の一部拡大側面図、第５図イは他の
実施例の一部拡大横断面図、第５図ロは第５図イ
の―断面図、第６図は従来の実施例（直角配
列式）の説明図、第７図イは従来の他の実施例（
平行配列式）の説明図、第７図ロは第７図イの側
面図である。１……上部管寄せ、２……下部管寄せ、３……
内方の環状水管壁、４……外方の環状水管壁、５
……燃焼ガス通路、６……燃焼装置、７……燃焼
室、８……水管の縮径部、９……内方の環状水管
壁の開口部、１０……外方の環状水管壁の開口部
、１１……煙道、１２……ヒレ。 Figure 1 is a longitudinal sectional view of a multi-tubular once-through boiler using the fin shape of the finned heat exchanger tube of the present invention, Figure 2 is a cross sectional view of Figure 1, and Figure 3 A is a partially enlarged cross sectional view. , FIG. 3B is a sectional view of FIG. 3A, FIG. 4 is a partially enlarged side view of FIG. 1, FIG. 5A is a partially enlarged cross-sectional view of another embodiment, and FIG. is a sectional view of Fig. 5A, Fig. 6 is an explanatory diagram of the conventional embodiment (right angle arrangement type), and Fig. 7A is a cross-sectional view of the conventional embodiment (
Fig. 7 (b) is a side view of Fig. 7 (a). 1... Upper header, 2... Lower header, 3...
Inner annular water tube wall, 4... Outer annular water tube wall, 5
...Combustion gas passage, 6...Combustion device, 7...Combustion chamber, 8...Reduced diameter portion of water pipe, 9...Opening in inner annular water pipe wall, 10...Outer annular water pipe Wall opening, 11... flue, 12... fin.

Claims

[Scope of utility model registration request]

In a heat transfer tube in which the heating fluid flowing on the outer surface heats the fluid flowing inside the tube,
The fin shape of the finned heat transfer tube is characterized in that the fins are wedge-shaped and provided on the outer surface of the heat transfer surface in parallel to the flow direction of the applied heating fluid.