JPH0571682U - Coil support for cylindrical heat exchanger - Google Patents

Abstract

(57) [Summary] [Purpose] To reduce the number of assembly steps of a heat exchanger using a heat transfer tube coil and improve the heat exchange efficiency. [Structure] A required number of arms are integrally provided on a flat plate which is made of a semi-hard material such as rubber or synthetic resin and wound around a heat transfer tube coil to form a cylindrical skirt, and the coil is attached to the arms. The cylindrical skirt and coil support were integrated by providing a recess for receiving the pipe piece. [Effect] Since the number of parts is reduced, the assembly is simplified, and the gap d between the inner surface of the skirt and the outer peripheral surface of the coil is made uniform, it is possible to prevent the heat exchange efficiency from being deteriorated due to the displacement of the heat transfer tube coil. .

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a coil support for a cylindrical heat exchanger using a heat transfer tube coil.

[0002]

[Prior Art]

 As shown in FIGS. 4 to 5, the conventional heat exchanger of this type is a coil supporting tool in which arms 7 are provided on columns 7 in order to hold the heat transfer tube coils 5 and keep the pitch between the pipes constant. The heat transfer tube coil 5 was supported at a plurality of positions on the circumference, and this was inserted into the cylindrical skirt 6 forming the peripheral wall of the heat exchanger for assembly.

[0003]

[Problems to be solved by the device]

 However, in the above-described conventional configuration, since the connecting tool 8 that connects the support pillars 7 to each other is required so that the support pillars 7 do not come off from the coil 5, the number of parts and the number of assembling steps increase and the outer circumference of the heat transfer tube coil 5 increases. The gap d between the surface and the inner surface of the skirt 6 becomes non-uniform, and the heat exchange efficiency tends to decrease. The present invention aims to solve such problems.

[0004]

[Means for Solving the Problems]

 The coil support of the cylindrical heat exchanger according to the present invention is made of a semi-rigid material such as rubber or synthetic resin, and is wound around the heat transfer tube coil to form a cylindrical skirt. 2 is integrally projected, and a recess 4 for receiving the pipe piece 3 of the coil is provided on the arm bar 2 to integrate the cylindrical skirt and the coil supporter that constitute the heat exchanger. It is characterized by points.

[0005]

[Action]

 In use, while winding the flat plate 1 around the peripheral surface of the heat transfer tube coil, the arms 2 of each row are sequentially inserted between the pipe pieces 3, and the pipe pieces are inserted into the recesses 4 provided in the arms 2. 3 is fitted. At this time, the shape of the skirt 1 is restricted by the outer shape of the heat transfer tube coil and is kept cylindrical. According to this structure, the arm 2 is integrated with the skirt 1, and the columns 7 and the couplings 8 which have been conventionally required are not required. Therefore, the number of parts and the number of assembling steps are significantly reduced, Since the gap d (FIG. 3) between the inner surface of the skirt 1 and the outer peripheral surface of the coil is uniform, the heat exchange efficiency is prevented from being lowered due to the nonuniformity of the gap.

[0006]

【Example】

 FIG. 1 shows an embodiment of a coil support according to the present invention. A flat plate 1 made of a semi-hard material such as rubber or synthetic resin is wound around a heat transfer tube coil to form a cylindrical skirt. In this flat plate 1, a required number of arms 2 are integrally projected at equiangular positions (three rows at 120 ° intervals in this embodiment) in a wound state. A plurality of recesses 4 for receiving the pipe pieces 3 of the heat transfer tube coil are formed on the upper surface of the arm member 2. The positions of the arms 2 in each row must be sequentially shifted in the vertical direction by one-third the number of pitch rows (one-third in the case of this embodiment).

In order to assemble this coil support tool, the flat plate 1 is wound around the outer peripheral surface of the heat transfer tube coil by utilizing its elasticity, and the arms 2 are sequentially inserted between the pipe pieces 3 of the heat transfer coil to The pipe piece 3 is fitted into the recess 4 provided in the. After fitting the pipe pieces 3 to all the arms 2 in this manner, both ends of the flat plate 1 are fastened with screws. With this configuration, the flat plate 1 is curved along the outer shape of the heat transfer tube coil, and is held in a cylindrical shape by the heat transfer tube coil through the arms 2.

[0008]

[Effect of the device]

 According to the present invention, the arms 2 for keeping the pitch between the pipes of the heat transfer tube constant are integrated with the skirt 1 forming the peripheral wall of the heat exchanger, so that the number of parts is greatly reduced. On the other hand, since it is not necessary to assemble the support frame by using the columns 7 and the connecting members 8 as in the conventional case, the assembling becomes simple and the gap d between the inner surface of the skirt and the outer peripheral surface of the coil becomes uniform. There is an advantage that it is possible to prevent the heat exchange efficiency from being lowered due to the displacement of the heat transfer tube coil.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of an embodiment of the present invention.

FIG. 2 is an enlarged view of a main part of the above.

FIG. 3 is a sectional view of an essential part in the same assembled state.

FIG. 4 is a perspective view of a conventional example.

FIG. 5 is a vertical cross-sectional view of a main part of the above.

[Explanation of symbols]

 1 Flat plate or skirt 2 Arms 3 Pipe piece 4 Recess 5 Heat transfer tube coil 6 Skirt 7 Strut 8 Connecting tool

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Koji Kishio 32, Akashicho, Chuo-ku, Kobe Noritsu Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A flat plate made of a semi-hard material such as rubber or synthetic resin, which is wound around a heat transfer tube coil to form a cylindrical skirt, is integrally provided with a required number of arms to project the arms. A coil support for a coil heat exchanger, comprising a recess for receiving the pipe piece of the coil.