JPS63119999U - - Google Patents
Info
- Publication number
- JPS63119999U JPS63119999U JP1132387U JP1132387U JPS63119999U JP S63119999 U JPS63119999 U JP S63119999U JP 1132387 U JP1132387 U JP 1132387U JP 1132387 U JP1132387 U JP 1132387U JP S63119999 U JPS63119999 U JP S63119999U
- Authority
- JP
- Japan
- Prior art keywords
- room
- partition plate
- bucket
- prevention device
- backflow prevention
- 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.)
- Pending
Links
- 230000002265 prevention Effects 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
Description
第１図は本考案の実施例の逆流防止装置の縦断
面図、第２図は本考案逆流防止装置の通常の作用
説明図、第３図は本考案逆流防止装置のドレン逆
流時の作用説明図、第４図は従来の小口径管図に
おいて蒸気母管が垂直な場合ドレンが逆流するこ
を示す図、第５図は従来の小口径管図において蒸
気母管が水平な場合ドレンが逆流するこを示す図
である。
符号の説明：１……上流側小口径管、２……弁
座、３……弁体、４……仕切板、４ａ……穴、５
……下流側小口径管、６……ボデイー、７……保
温材、８……上昇ガイド、９……バケツト弁、１
０……ガイドリング、１９……ドレン、２０……
蒸気母管、２１……小口径管、２２……蒸気の流
れ、ＤＬ……ドレンの液面。
Fig. 1 is a longitudinal cross-sectional view of a backflow prevention device according to an embodiment of the present invention, Fig. 2 is a diagram illustrating the normal operation of the backflow prevention device of the present invention, and Fig. 3 is an explanation of the operation of the backflow prevention device of the present invention when drain backflow occurs. Figure 4 shows that condensate flows backwards when the steam header is vertical in a conventional small-diameter pipe diagram, and Figure 5 shows that condensate flows backwards when the steam header is horizontal in a conventional small-diameter pipe diagram. FIG. Explanation of symbols: 1... Upstream small diameter pipe, 2... Valve seat, 3... Valve body, 4... Partition plate, 4a... Hole, 5
... Downstream small diameter pipe, 6 ... Body, 7 ... Insulating material, 8 ... Rising guide, 9 ... Bucket valve, 1
0...Guide ring, 19...Drain, 20...
Steam main pipe, 21...Small diameter pipe, 22...Steam flow, DL...Drain liquid level.
Claims (1)
て、出入口を有する部屋と、バケツト弁と、前記
部屋を入口のみを含む部屋と出口のみを含む部屋
とに分割する仕切板と、仕切板に立設された円筒
状のバケツト弁の内壁を誘導する上昇ガイドと、
ガイドの外側で仕切板の周辺に明けられた流体の
流通孔と、バケツトの上昇とともにバケツト弁が
閉じる入口に形成された弁座とより構成されるこ
とを特徴とするドレンの逆流防止装置。 A drain backflow prevention device connected to a steam pipe includes a room having an entrance/exit, a bucket valve, a partition plate that divides the room into a room containing only the inlet and a room containing only the outlet, and a partition plate erected. a rising guide that guides the inner wall of the cylindrical bucket valve;
A drain backflow prevention device comprising a fluid circulation hole opened around a partition plate on the outside of a guide, and a valve seat formed at an inlet where the bucket valve closes as the bucket rises.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1132387U JPS63119999U (en) | 1987-01-30 | 1987-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1132387U JPS63119999U (en) | 1987-01-30 | 1987-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63119999U true JPS63119999U (en) | 1988-08-03 |
Family
ID=30798432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1132387U Pending JPS63119999U (en) | 1987-01-30 | 1987-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63119999U (en) |
-
1987
- 1987-01-30 JP JP1132387U patent/JPS63119999U/ja active Pending
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