JPS6163565U

JPS6163565U -

Info

Publication number: JPS6163565U
Application number: JP14564684U
Authority: JP
Priority date: 1984-09-28
Filing date: 1984-09-28
Publication date: 1986-04-30
Also published as: JPH0245653Y2

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示すものであり、
熱交換器の一方側の端部の構造を示す縦断面図、
第２図は独立した１本の熱交換器を複数本連続さ
せて構成した熱交換器の一例を示し、その両端部
のフランジ連結部を従来構造の例として説明した
連続型熱交換器の正面図、第３図は第２図の右側
面図、第４図および第５図は、いずれも従来の熱
交換器の端部構造を示す縦断面図、第６図は、本
考案に係るもので、第１図のＡ〜Ａ線矢視図、第
７図ａ，ｂは、それぞれＯリングの締込前と締込
後の状態を示す拡大縦断面図、第８図は本考案に
係るシール機構の他の実施例を示す縦断面図、第
９図は本考案に到る段階の改良案を示す縦断面図
である。１…二重管式熱交換器、２…外管、３…内管、
７…内管内流路、８…外管と内管との間の流路、
１２…フランジ（外管側）、１３…押えリング、
１４…ボルト、ナツト、１５…ボス部、１６…Ｏ
リング（シール部材）、１７…スタツブエンド（
つば部）、１８…分割フランジ、１８ａ…分割面
、２５…グランドパツキン、２６…グランド押え
。 FIG. 1 shows an embodiment of the present invention,
A vertical cross-sectional view showing the structure of one end of the heat exchanger,
Figure 2 shows an example of a heat exchanger constructed by connecting multiple independent heat exchangers in series, and the front view of a continuous type heat exchanger with the flange connections at both ends as an example of a conventional structure. Fig. 3 is a right side view of Fig. 2, Figs. 4 and 5 are longitudinal sectional views showing the end structure of a conventional heat exchanger, and Fig. 6 is a diagram according to the present invention. 1, FIG. 7 a and b are enlarged vertical sectional views showing the O-ring before and after tightening, respectively, and FIG. 8 is a view according to the present invention. FIG. 9 is a longitudinal sectional view showing another embodiment of the sealing mechanism, and FIG. 9 is a longitudinal sectional view showing an improvement plan at the stage leading up to the present invention. 1...Double pipe heat exchanger, 2...Outer tube, 3...Inner tube,
7...Flow path within the inner tube, 8...Flow path between the outer tube and the inner tube,
12...flange (outer tube side), 13...pressing ring,
14...Bolt, nut, 15...Boss part, 16...O
Ring (sealing member), 17...Stub end (
18... split flange, 18a... split surface, 25... gland packing, 26... gland presser.

Claims

[Scope of utility model registration request]

The inner tube and the outer tube are arranged concentrically, the inner tube end is located outside the outer tube end, and the inner circumferential surface of the outer tube end faces this inner circumferential surface, and the inner circumference Between the outer circumferential surface of the inner tube and the inner tube having an outer diameter smaller than the inner diameter of the surface,
A sealing member that blocks the flow path between the inner tube and the outer tube from the outside is attached, and a sealing member is installed around the end of the inner tube on the side where this sealing member is provided in a direction perpendicular to the axial direction of the inner tube. , forming a collar portion with an outer diameter smaller than the inner diameter of the inner circumferential surface of the outer tube end;
A double-tube heat exchanger characterized in that a flange divided in a plane including the axis of the inner tube is provided on the back side of the flange portion and removably engaged with the flange.