JPS61181902U

JPS61181902U -

Info

Publication number: JPS61181902U
Application number: JP6277585U
Authority: JP
Priority date: 1985-04-25
Filing date: 1985-04-25
Publication date: 1986-11-13
Also published as: JPH0412324Y2

Description

[Brief explanation of the drawing]

第１図は本考案におけるかご型ヒレ付水管ボイ
ラーの縦断面図、第２図は第１図の―断面図
、第３図は一部拡大側面図、第４図は第３図の
―断面図、第５図はスリツトを設けた場合のヒ
レ部の詳細図、第６図は従来実施例の横断面図、
第７図イは他の実施例の一部断面拡大図、第７図
ロは第７図イの側面図、第８図はさらに他の従来
の実施例の縦断面図、第９図は第８図の横断面図
である。１は上部管寄せ、２は下部管寄せ、３は水管、
４は隙間、５はボイラー外壁、６は燃焼ガス通路
、７は煙道、８はヒレ、９はカバー、１０は連結
部片、１１は伝熱促進体、１２は強制ガス流路、
１３は開口部、１４はスリツト、１５は燃焼装置
、１６は燃焼室。 Figure 1 is a longitudinal sectional view of the cage-type finned water tube boiler according to the present invention, Figure 2 is a cross-sectional view of Figure 1, Figure 3 is a partially enlarged side view, and Figure 4 is a cross-section of Figure 3. Figure 5 is a detailed view of the fin portion when a slit is provided, Figure 6 is a cross-sectional view of the conventional example,
FIG. 7A is a partially enlarged sectional view of another embodiment, FIG. 7B is a side view of FIG. 7A, FIG. 8 is a longitudinal sectional view of another conventional embodiment, and FIG. FIG. 8 is a cross-sectional view of FIG. 1 is the upper header, 2 is the lower header, 3 is the water pipe,
4 is a gap, 5 is a boiler outer wall, 6 is a combustion gas passage, 7 is a flue, 8 is a fin, 9 is a cover, 10 is a connecting piece, 11 is a heat transfer promoter, 12 is a forced gas flow path,
13 is an opening, 14 is a slit, 15 is a combustion device, and 16 is a combustion chamber.

Claims

[Claims for Utility Model Registration] (1) The upper header 1 and the lower header 2 are connected by a number of water pipes 3, and these water pipes 3 are arranged as an annular water pipe wall with an extremely small gap 4. , a boiler outer wall 5 is provided with a gap on the outside of the water tube wall, an annular combustion gas passage 6 is formed between the water tube wall and the boiler outer wall, and a flue 7 is provided on the boiler outer wall to form the combustion gas passage. 6 and a flue 7, flat plate-shaped fins 8 are arranged on the outer surface of the water tube facing the combustion gas passage parallel to the combustion gas flow direction A and at required pitch intervals in the axial direction of the water tube. By providing the heat transfer accelerator 11 in close contact with the outer circumferential surface of the flat fin 8 over the entire length of the water tube, each upper and lower flat plate A forced gas flow path 12 is formed between the flat fins 8, and the flat fins 8
A cage-shaped cage characterized in that an opening 13 is provided in the heat transfer promoter 11 at the center of the outer periphery of the water pipe along the length direction of the water pipe, thereby communicating the forced gas flow path 12 and the combustion gas passage 6. Water tube boiler. (2) The squirrel cage water tube boiler according to claim 1, wherein the flat fin 8 is a fin provided with a slit 14 having a predetermined angle with respect to the combustion gas flow direction A. .