JPS6453300U - - Google Patents
Info
- Publication number
- JPS6453300U JPS6453300U JP14758687U JP14758687U JPS6453300U JP S6453300 U JPS6453300 U JP S6453300U JP 14758687 U JP14758687 U JP 14758687U JP 14758687 U JP14758687 U JP 14758687U JP S6453300 U JPS6453300 U JP S6453300U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- wind
- wind pipe
- tunnel
- steel
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims 2
- 239000000428 dust Substances 0.000 claims 1
- 239000003517 fume Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 239000003496 welding fume Substances 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Ventilation (AREA)
Description
第１図はこの考案の装置の１実施態様を示す概
略縦断面図、第２図は第１図のＡ―Ａ線拡大断面
図、第３図は第１図のＢ―Ｂ線拡大断面図、第４
図は従来の装置の一例を示す概略縦断面図、第５
図は第４図のＣ―Ｃ線断面図、第６図は従来の装
置の他の例を示す概略縦断面図、第７図は第６図
のＤ―Ｄ線断面図である。図面において、
１……立坑、２……トンネル、３……鋼管、４
……ダクト、５……軸流フアン、６……風管、７
……風管、８……短管、９……ジヨイント、１０
……排気用フアン。
Fig. 1 is a schematic vertical sectional view showing one embodiment of the device of this invention, Fig. 2 is an enlarged sectional view taken along line AA in Fig. 1, and Fig. 3 is an enlarged sectional view taken along line BB in Fig. 1. , 4th
The figure is a schematic vertical sectional view showing an example of a conventional device.
The figures are a sectional view taken along line CC in FIG. 4, FIG. 6 is a schematic vertical sectional view showing another example of the conventional device, and FIG. 7 is a sectional view taken along line DD in FIG. In the drawings, 1...vertical shaft, 2...tunnel, 3...steel pipe, 4
...Duct, 5 ... Axial flow fan, 6 ... Wind pipe, 7
... Wind pipe, 8 ... Short pipe, 9 ... Joint, 10
...Exhaust fan.
Claims (1)
ヒユーム等を排出するために、前記トンネル内に
そのほぼ全長にわたつて配置した、複数の短管が
互いにジヨイントによつて接続されてなる風管と
、前記風管の一端に接続された排気用フアンとか
らなる管内換気装置において、 前記風管は、径方向に収縮可能なホース状の可
撓材からなつており、前記風管の一端部は、前記
トンネル内に配置された溶接すべき鋼管内に引き
込まれ、前記溶接すべき鋼管内に引き込まれた風
管の端部には、溶接ヒユーム、有機溶剤その他の
粉塵等を吸引し排気するための前記排気用フアン
が接続され、そして、前記風管の他端は、地上に
開口していることを特徴とする管内換気装置。[Claims for Utility Model Registration] In order to discharge fumes etc. generated during welding of steel pipes arranged in a tunnel, a plurality of short pipes arranged in the tunnel over almost the entire length thereof are connected to each other by joints. An intra-pipe ventilation device comprising connected wind pipes and an exhaust fan connected to one end of the wind pipe, wherein the wind pipe is made of a hose-like flexible material that can be contracted in a radial direction, One end of the wind pipe is drawn into a steel pipe to be welded arranged in the tunnel, and the end of the wind pipe drawn into the steel pipe to be welded is free of welding fume, organic solvents, and other dust. An in-pipe ventilation system characterized in that the exhaust fan is connected to suck and exhaust air, and the other end of the wind pipe is open to the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987147586U JPH0527599Y2 (en) | 1987-09-29 | 1987-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987147586U JPH0527599Y2 (en) | 1987-09-29 | 1987-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6453300U true JPS6453300U (en) | 1989-04-03 |
| JPH0527599Y2 JPH0527599Y2 (en) | 1993-07-14 |
Family
ID=31418125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987147586U Expired - Lifetime JPH0527599Y2 (en) | 1987-09-29 | 1987-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0527599Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6136639U (en) * | 1984-08-06 | 1986-03-06 | 株式会社クラレ | Deaerator for dialysate |
| JPS6233840U (en) * | 1985-05-08 | 1987-02-27 |
-
1987
- 1987-09-29 JP JP1987147586U patent/JPH0527599Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6136639U (en) * | 1984-08-06 | 1986-03-06 | 株式会社クラレ | Deaerator for dialysate |
| JPS6233840U (en) * | 1985-05-08 | 1987-02-27 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0527599Y2 (en) | 1993-07-14 |
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