JPH0229434Y2 - - Google Patents
Info
- Publication number
- JPH0229434Y2 JPH0229434Y2 JP1984067722U JP6772284U JPH0229434Y2 JP H0229434 Y2 JPH0229434 Y2 JP H0229434Y2 JP 1984067722 U JP1984067722 U JP 1984067722U JP 6772284 U JP6772284 U JP 6772284U JP H0229434 Y2 JPH0229434 Y2 JP H0229434Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- tube group
- resonant cavity
- vibration
- noise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は一般の管群を使つた熱交換器の振動・
騒音防止装置の技術分野に利用される。[Detailed description of the invention] Industrial application field This invention is a heat exchanger using a general tube group.
Used in the technical field of noise prevention equipment.
本考案は機器の性能や強度に手を加えることな
く、現場でトラブルが発生した時に素早い対応策
が取れる熱交換器の振動・騒音防止装置に関す
る。 This invention relates to a vibration/noise prevention device for heat exchangers that allows quick countermeasures when trouble occurs on site without changing the performance or strength of the equipment.
従来の技術
ボイラなどの熱交換器の管群０１で、第３図に
示す渦０３の周期的な放出がダクトの気柱共鳴音
と共振して、大きな振動・騒音源となることがあ
る。BACKGROUND ART In a tube group 01 of a heat exchanger such as a boiler, the periodic release of a vortex 03 shown in FIG. 3 may resonate with the air column resonance sound of the duct, causing a large vibration and noise source.
これに対する従来の具体的体策としては、流速
を下げるか、管の表面にらせん状のストラツプを
設けたり、フインを突設したりする加工をする
か、または管の配列を不規側にするなどの対策が
あるが、一旦納入した製品や納入直前の製品に上
記の施工をするのは、工期や性能上などから困難
な場合が多い。 Conventional concrete countermeasures to this problem include lowering the flow velocity, providing spiral straps or protruding fins on the surface of the tube, or making the tubes irregularly arranged. Although there are countermeasures such as these, it is often difficult to apply the above measures to products that have already been delivered or products that are about to be delivered due to construction period and performance considerations.
考案が解決しようとする問題点
本考案は上記したような従来の熱交換器におい
て、機器の性能を損うことなく、また強度に手を
加えることなく、現場で施工できてトラブル発生
時に素早い対策がとれる振動・騒音防止装置を提
供しようとするものである。Problems that the invention aims to solve This invention can be installed on-site without impairing the performance of the equipment or modifying the strength of the conventional heat exchanger as described above, and is a quick solution in the event of a problem. The aim is to provide a vibration/noise prevention device that can eliminate noise.
問題点を解決するための手段
本考案は、熱交換器管群の流れ方向に平行な壁
面に、穴を有する多数の独立した共鳴空洞部をパ
ネル状に設けたことを特徴とする、熱交換器の振
動・騒音防止装置にある。Means for Solving the Problems The present invention is a heat exchanger characterized in that a large number of independent resonant cavities each having holes are provided in a panel shape on a wall surface parallel to the flow direction of a heat exchanger tube group. It is in the vibration and noise prevention device of the device.
作 用
上記手段によれば第１ａ，ｂ図およ第２図に示
したような配管壁面を穴付共鳴空洞部構造とする
ことにより、熱交換器の振動・騒音を防止するこ
とが可能となる。Effect According to the above means, it is possible to prevent the vibration and noise of the heat exchanger by making the pipe wall surface a resonant cavity structure with holes as shown in Figures 1a and 2. Become.
実施例
次に、第１ａ図、第１ｂ図を参照して本考案実
施例について詳述する。Embodiment Next, an embodiment of the present invention will be described in detail with reference to FIGS. 1a and 1b.
図示のように、流れ方向２に平行な壁面に穴３
を設けて、共鳴空洞部４とし、この共鳴空洞部４
を多数設けてパネル状構造物としたものである。
第２図に共鳴空洞部４の具体的な寸法を示す。図
中Ｖは共鳴洞部４の容積、ｄは穴の直経、は板
の厚さ、すなわちネツクの長さを示す。 Hole 3 in the wall parallel to flow direction 2 as shown.
is provided to form a resonant cavity 4, and this resonant cavity 4
A large number of panels are provided to form a panel-like structure.
FIG. 2 shows specific dimensions of the resonance cavity 4. In the figure, V indicates the volume of the resonant cavity 4, d indicates the direct diameter of the hole, and indicates the thickness of the plate, that is, the length of the net.
考案の効果
上記のように配管の途中の壁や後方の壁を第１
ａ図および第１ｂ図のような穴付共鳴空洞部構造
とすることにより、第２図の共鳴空洞部４におい
て、
の周波数で大きな減音効果が得られる（なお、ｃ
は音速を示す）。この共鳴空洞部４の寸法を調整
することにより任意の周波数の減音を行なうこと
ができる。Effects of the idea As mentioned above, the walls in the middle of the piping and the walls at the back are
By adopting the resonant cavity structure with a hole as shown in Fig. a and Fig. 1b, in the resonant cavity 4 of Fig. 2, A large sound reduction effect can be obtained at the frequency of c
indicates the speed of sound). By adjusting the dimensions of this resonant cavity 4, it is possible to reduce sound at any frequency.
第１ａ図は本考案装置の管群の断面図、第１ｂ
図は第１ａ図のＡ部詳細を示す斜視図、第２図は
空洞部を示す断面図、第３図は管群での騒音発生
を示す説明略図である。
１……管群、２……流れ、３……穴、４……共
鳴空洞部。
Figure 1a is a sectional view of the tube group of the device of the present invention, Figure 1b
The figure is a perspective view showing details of section A in Fig. 1a, Fig. 2 is a sectional view showing the cavity, and Fig. 3 is a schematic diagram showing noise generation in the tube group. 1... Tube group, 2... Flow, 3... Hole, 4... Resonant cavity.
Claims (1)
有する多数の独立した共鳴空洞部をパネル状に設
けたことを特徴とする、熱交換器の振動・騒音防
止装置。 A vibration/noise prevention device for a heat exchanger, characterized in that a large number of independent resonant cavities having holes are provided in a panel shape on a wall surface parallel to the flow direction of a heat exchanger tube group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6772284U JPS60181588U (en) | 1984-05-11 | 1984-05-11 | Heat exchanger vibration/noise prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6772284U JPS60181588U (en) | 1984-05-11 | 1984-05-11 | Heat exchanger vibration/noise prevention device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60181588U JPS60181588U (en) | 1985-12-02 |
| JPH0229434Y2 true JPH0229434Y2 (en) | 1990-08-07 |
Family
ID=30601802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6772284U Granted JPS60181588U (en) | 1984-05-11 | 1984-05-11 | Heat exchanger vibration/noise prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60181588U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0631331Y2 (en) * | 1986-09-02 | 1994-08-22 | 日本バイリーン株式会社 | Total heat exchanger |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5846985U (en) * | 1981-09-22 | 1983-03-30 | 三菱重工業株式会社 | Shell-and-tube heat exchanger |
-
1984
- 1984-05-11 JP JP6772284U patent/JPS60181588U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60181588U (en) | 1985-12-02 |
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