JPS62133738U - - Google Patents
Info
- Publication number
- JPS62133738U JPS62133738U JP2276386U JP2276386U JPS62133738U JP S62133738 U JPS62133738 U JP S62133738U JP 2276386 U JP2276386 U JP 2276386U JP 2276386 U JP2276386 U JP 2276386U JP S62133738 U JPS62133738 U JP S62133738U
- Authority
- JP
- Japan
- Prior art keywords
- conduit
- water
- hopper
- uppermost
- pipe
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 2
- 229920001875 Ebonite Polymers 0.000 claims 1
- 230000006698 induction Effects 0.000 description 1
Landscapes
- Underground Or Underwater Handling Of Building Materials (AREA)
- Chutes (AREA)
- Jet Pumps And Other Pumps (AREA)
Description
図面はこの考案装置の実施例を示すもので、第
１図は縦断正面図、第２図は別の実施例の縦断正
面図、第３図は要部の拡大縦断正面図である。
１……導管、２……チエン、３……水面、４…
…作業船、５……ホツパー、５ａ……排出口、６
……誘導フード、７……流降路、８……水底、９
……止具、１０……逆流防止弁、１０ａ，１０ｂ
……ひれ弁板、１１……砂、Ｓ……周隙。
The drawings show an embodiment of the invented device; FIG. 1 is a longitudinal sectional front view, FIG. 2 is a longitudinal sectional front view of another embodiment, and FIG. 3 is an enlarged longitudinal sectional front view of the main parts. 1... Conduit, 2... Chain, 3... Water surface, 4...
...Work boat, 5...Hopper, 5a...Discharge port, 6
...Induction hood, 7...Outfall path, 8...Bottom, 9
...Stopper, 10...Return prevention valve, 10a, 10b
...fin valve plate, 11...sand, S...periphery.
Claims (1)
部内に僅か通入し、該通入上段管と下段管との間
に適宜の周隙Ｓを形成するように数段連接した導
管１を最上段導管１の上端が水面３より僅か下方
位置に、最下段導管１に連通させた内部が複数の
流降路７に区画されて下方に向つて漸次広くなつ
た部分を有する誘導フード６または最下段導管１
の下端が水底８より僅か上方位置になるよう水中
に垂直保持し、またホツパー５の排出口５ａ下部
を最上段導管１の上端部内に通入して該部に周隙
Ｓを形成するように保持してなるエゼクター作用
による下向き水流を利用した水底への砂流込装置
において、少なくとも最上段導管１とホツパー５
の排出口５ａとの間の周隙Ｓ帯域に硬質ゴムのひ
れ弁板などでなる逆流防止弁１０を介装してなる
水底への砂流込装置。 A conduit 1 that is connected in several stages so that the lower end of the upper pipe passes slightly into the upper end of the lower pipe with a larger diameter than the upper pipe, and an appropriate circumferential gap S is formed between the upper pipe and the lower pipe. The upper end of the uppermost conduit 1 is located slightly below the water surface 3, and the interior of the uppermost conduit 1 that communicates with the lowermost conduit 1 is partitioned into a plurality of flow passages 7 and has a portion that gradually widens downward. or bottom conduit 1
The hopper 5 is held vertically in the water so that its lower end is slightly above the water bottom 8, and the lower part of the outlet 5a of the hopper 5 is inserted into the upper end of the uppermost conduit 1 to form a gap S there. In the device for pouring sand into the water bottom using a downward water flow caused by an ejector action, at least the uppermost conduit 1 and the hopper 5
A device for pouring sand into the water bottom, which includes a backflow prevention valve 10 made of a hard rubber fin valve plate, etc., interposed in the circumferential gap S zone between the sand outlet 5a and the discharge port 5a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2276386U JPH0512351Y2 (en) | 1986-02-18 | 1986-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2276386U JPH0512351Y2 (en) | 1986-02-18 | 1986-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62133738U true JPS62133738U (en) | 1987-08-22 |
| JPH0512351Y2 JPH0512351Y2 (en) | 1993-03-30 |
Family
ID=30820451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2276386U Expired - Lifetime JPH0512351Y2 (en) | 1986-02-18 | 1986-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0512351Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011069076A (en) * | 2009-09-25 | 2011-04-07 | Toa Harbor Works Co Ltd | Double pipe tremie device, and method for throwing sediment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2113638A1 (en) * | 2008-04-30 | 2009-11-04 | ABB Turbo Systems AG | Spraying device |
-
1986
- 1986-02-18 JP JP2276386U patent/JPH0512351Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011069076A (en) * | 2009-09-25 | 2011-04-07 | Toa Harbor Works Co Ltd | Double pipe tremie device, and method for throwing sediment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0512351Y2 (en) | 1993-03-30 |
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