JPH0349797B2 - - Google Patents
Info
- Publication number
- JPH0349797B2 JPH0349797B2 JP59125480A JP12548084A JPH0349797B2 JP H0349797 B2 JPH0349797 B2 JP H0349797B2 JP 59125480 A JP59125480 A JP 59125480A JP 12548084 A JP12548084 A JP 12548084A JP H0349797 B2 JPH0349797 B2 JP H0349797B2
- Authority
- JP
- Japan
- Prior art keywords
- discharge pipe
- ejector
- main discharge
- main
- hold
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B57/00—Tank or cargo hold cleaning specially adapted for vessels
- B63B57/02—Tank or cargo hold cleaning specially adapted for vessels by washing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Cleaning In General (AREA)
- Jet Pumps And Other Pumps (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Detergent Compositions (AREA)
- Cleaning By Liquid Or Steam (AREA)
Description
【発明の詳細な説明】
〔発明の技術分野〕
この発明は、船倉内洗浄汚水の排出装置に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a device for discharging sewage from cleaning inside a ship's hold.
鉱石運搬船や石炭運搬船等においては、船倉内
から鉱石や石炭等を荷上げした後、船倉内を海水
により洗浄している。
In ore carriers, coal carriers, etc., after unloading ore, coal, etc. from the cargo hold, the cargo hold is washed with seawater.
従来、船倉内を洗浄した後の多量の粉塵が混入
した汚水は、第２図に示されるようなエゼクタと
称される吸引装置により船倉外に排出している。 Conventionally, sewage mixed with a large amount of dust after cleaning the inside of a ship's hold is discharged to the outside of the ship's hold by a suction device called an ejector as shown in FIG.
前記エゼクタについて簡単に説明する。第２図
に示されるように、エゼクタ１は高圧の駆動水を
供給するための供給管２、排出管３および吸引管
４からなり、吸引管４の先端は、船倉５の底５′
に設けられたビルジウエル６内に挿入されてい
る。 The ejector will be briefly explained. As shown in FIG. 2, the ejector 1 consists of a supply pipe 2 for supplying high-pressure driving water, a discharge pipe 3, and a suction pipe 4.
It is inserted into a bilge well 6 provided in the.
供給管２から駆動水を供給すると、ビルジウエ
ル６内に溜つた洗浄汚水７は、吸引管４を通つて
排出管３から排出される。 When driving water is supplied from the supply pipe 2, the cleaning waste water 7 accumulated in the bilge well 6 is discharged from the discharge pipe 3 through the suction pipe 4.
このような構造のエゼクタ１が各船倉５内に設
けられ、各エゼクタ１の排出管３はメイン排出管
８に接続されており、各船倉内の洗浄汚水は集合
されて船外に排出される。 An ejector 1 having such a structure is provided in each hold 5, and the discharge pipe 3 of each ejector 1 is connected to the main discharge pipe 8, so that the cleaning wastewater in each hold is collected and discharged outside the ship. .
しかし、各エゼクタ１の排出容量は小さいため
に、メイン排出管８内を流れる洗浄汚水７の流速
は遅い。この結果、洗浄汚水７中の粉塵がメイン
排出管８の底に沈降してメイン排出管８が詰まる
と、洗浄汚水７の排出が行えない。 However, since the discharge capacity of each ejector 1 is small, the flow rate of the cleaning wastewater 7 flowing in the main discharge pipe 8 is slow. As a result, if the dust in the washed waste water 7 settles to the bottom of the main discharge pipe 8 and the main discharge pipe 8 is clogged, the washed waste water 7 cannot be discharged.
このために、第３図に示されるように、ビルジ
ウエル６内に設けたホツパー１４に集めた洗浄汚
水を、エゼクタ１の吸引管４のノズル部４ａ内に
流し込んで、吸引し、さらに、供給管２内の駆動
水を支管２ａを介して前記ノズル部４ａに供給
し、これによつて、洗浄汚水の移送能力を増加さ
せることが考えられる。しかし、この方法によつ
ても十分に洗浄汚水を排出できない場合がある。 For this purpose, as shown in FIG. 3, the washed wastewater collected in the hopper 14 provided in the bilge well 6 is poured into the nozzle part 4a of the suction pipe 4 of the ejector 1 and sucked, and then It is conceivable to supply the driving water in the nozzle section 4a through the branch pipe 2a, thereby increasing the transfer capacity of cleaning waste water. However, even with this method, cleaning wastewater may not be sufficiently discharged.
この発明の目的は、洗浄汚水中の粉塵によつて
メイン排出管が詰まるのを防止することができる
排出装置を提供することにある。
An object of the present invention is to provide a discharge device that can prevent a main discharge pipe from being clogged with dust in washed waste water.
この発明は、各船倉の底に設けられたビルジウ
エルと、前記ビルジウエル内に溜つた洗浄汚水を
排出するためのエゼクタと、前記エゼクタから排
出された洗浄汚水を集合して船外に排出するため
のメイン排出管とからなる、船倉内洗浄汚水の排
出装置において、
前記メイン排出管の下流端に設けたメインエゼ
クタと、前記メイン排出管の上流端に海水を供給
するための手段とからなり、前記メインエゼクタ
によつて前記メイン排出管を流れる前記洗浄水を
前記海水と一緒に船外に排出することに特徴を有
する。
This invention includes a bilge well provided at the bottom of each hold, an ejector for discharging cleaning waste water accumulated in the bilge well, and a system for collecting the cleaning waste water discharged from the ejector and discharging it overboard. A discharge device for cleaning sewage inside a ship's hold, comprising a main discharge pipe, a main ejector provided at the downstream end of the main discharge pipe, and a means for supplying seawater to the upstream end of the main discharge pipe, The present invention is characterized in that the washing water flowing through the main discharge pipe is discharged out of the ship together with the seawater by a main ejector.
この発明の一実施態様を図面を参照しながら説
明する。
One embodiment of this invention will be described with reference to the drawings.
第１図は、この発明の一実施態様の配管の系統
図である。第１図に示されるように、複数個の船
倉５の各々には、第２図に示したと同様のエゼク
タ１がビルジウエル６の近傍に設けられている。
各エゼクタ１の排出管３は、メイン排出管８にそ
れぞれ接続されている。メイン排出管８は、この
下流端に設けられたメインエゼクタ９の吸引側に
接続されている。海水ポンプ１０は海水中から吸
上げた海水を、メインエゼクタ９に駆動水として
供給すると共に前記海水を制御弁１２が取り付け
られた配管１３を介してメイン排出管８の上流端
からメイン排出管８に供給する。 FIG. 1 is a system diagram of piping according to an embodiment of the present invention. As shown in FIG. 1, each of the plurality of holds 5 is provided with an ejector 1 similar to that shown in FIG. 2 near the bilge well 6.
The discharge pipe 3 of each ejector 1 is connected to a main discharge pipe 8, respectively. The main discharge pipe 8 is connected to the suction side of a main ejector 9 provided at this downstream end. The seawater pump 10 supplies seawater sucked up from the seawater to the main ejector 9 as driving water, and also supplies the seawater from the upstream end of the main discharge pipe 8 to the main discharge pipe 8 via a pipe 13 to which a control valve 12 is attached. supply to.
このように、海水をメイン排出管８に供給する
ことによつて、メイン排出管８内を流れる洗浄汚
水の流速を常時、遷移速度以上に維持することが
できる。従つて、メイン排出管８の管底への洗浄
汚水中の粉塵の沈降は完全に防止できるので、メ
イン排出管８が詰まるといつた問題は解消され
る。 In this manner, by supplying seawater to the main discharge pipe 8, the flow rate of the washed wastewater flowing inside the main discharge pipe 8 can be maintained at a level higher than the transition velocity at all times. Therefore, the settling of the dust in the cleaning waste water to the bottom of the main discharge pipe 8 can be completely prevented, so that the problem of clogging of the main discharge pipe 8 is solved.
メインエゼクタ９により排出された洗浄汚水お
よび海水は、船外に排出される。制御弁１２はメ
イン排出管８に供給する海水の流量を、メイン排
出管８を流れる洗浄汚水の流速が粉塵の沈降を防
止できる遷移速度以上となるように調整する。 Washing wastewater and seawater discharged by the main ejector 9 are discharged overboard. The control valve 12 adjusts the flow rate of seawater supplied to the main discharge pipe 8 so that the flow rate of the washed wastewater flowing through the main discharge pipe 8 is equal to or higher than a transition velocity that can prevent settling of dust.
この発明によれば、海水をメイン排出管に供給
することにより、メイン排出管の底に粉塵が沈降
するのを防止できるので、メイン排出管が詰まり
洗浄汚水の排出が行えなくなるといつた問題を解
消することができる。
According to this invention, by supplying seawater to the main discharge pipe, it is possible to prevent dust from settling at the bottom of the main discharge pipe, thereby solving the problem of the main discharge pipe becoming clogged and making it impossible to discharge washing wastewater. It can be resolved.
第１図は、この発明の一実施態様の配管の系統
図、第２図は、従来のエゼクタの構造を示す部分
切欠き正面図、第３図は、洗浄汚水の移送効率を
上げるための配管図である。図面において、
１……エゼクタ、２……供給管、３……排出
管、４……吸引管、５……船倉、６……ビルジウ
エル、７……洗浄汚水、８……メイン排出管、９
……メインエゼクタ、１０……海水ポンプ、１１
……バラストタンク、１２……制御弁、１３……
配管、１４……ホツパー。
Fig. 1 is a system diagram of piping according to an embodiment of the present invention, Fig. 2 is a partially cutaway front view showing the structure of a conventional ejector, and Fig. 3 is a piping system for increasing the transfer efficiency of washed wastewater. It is a diagram. In the drawing, 1... Ejector, 2... Supply pipe, 3... Discharge pipe, 4... Suction pipe, 5... Hold, 6... Bilge well, 7... Washing waste water, 8... Main discharge pipe, 9
...Main ejector, 10...Seawater pump, 11
... Ballast tank, 12 ... Control valve, 13 ...
Piping, 14...hopper.
Claims (1)
記ビルジウエル内に溜つた洗浄汚水を排出するた
めのエゼクタと、前記エゼクタから排出された洗
浄汚水を集合して船外に排出するためのメイン排
出管とからなる、船倉内洗浄汚水の排出装置にお
いて、 前記メイン排出管の下流端に設けたメインエゼ
クタと、前記メイン排出管の上流端に海水を供給
するための手段とからなり、前記メインエゼクタ
によつて前記メイン排出管を流れる前記洗浄汚水
を前記海水と一緒に船外に排出することを特徴と
する、船倉内洗浄汚水の排出装置。[Scope of Claims] 1. A bilge well provided at the bottom of each hold, an ejector for discharging cleaning sewage accumulated in the bilge well, and collecting the cleaning sewage discharged from the ejector and discharging it overboard. A device for discharging cleaning sewage from a ship's hold, comprising: a main ejector provided at the downstream end of the main discharge pipe; and means for supplying seawater to the upstream end of the main discharge pipe. A device for discharging cleaning sewage inside a ship hold, wherein the cleaning sewage flowing through the main discharge pipe is discharged out of the ship together with the seawater by the main ejector.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59125480A JPS616089A (en) | 1984-06-19 | 1984-06-19 | Discharge device of cleaning bilge in hold |
| GB08514226A GB2162130B (en) | 1984-06-19 | 1985-06-05 | Apparatus for discharging waste cleaning water containing remains after cleaning a plurality of holds of bulk carrier |
| FI852307A FI83410C (en) | 1984-06-19 | 1985-06-10 | Device for removing waste cleaning water containing residues after cleaning a plurality of cargo holds in a bulk cargo ship |
| KR1019850004124A KR910000634B1 (en) | 1984-06-19 | 1985-06-12 | Apparatus for discharging waste cleaning water containing remains after cleaning a plurality of holds of bulk carrier |
| SE8502990A SE459082B (en) | 1984-06-19 | 1985-06-17 | DEVICE FOR DISPOSAL OF APPLIED CLEANING WATER CONTAINING REMAINS AFTER CLEANING A MULTIPLE CARGO ROOM WITH A BULK-CLASS SHIP |
| NO852460A NO168292C (en) | 1984-06-19 | 1985-06-18 | DEVICE FOR DISPOSING OF WASTE WATER CONTAINING REMAINS AFTER CLEANING SHIPPING IN BULK CLASS SHIP |
| ES544326A ES8607856A1 (en) | 1984-06-19 | 1985-06-18 | AN APPARATUS FOR DISCHARGING RESIDUAL CLEANING WATER THAT CONTAINS WASTE AFTER CLEANING A PLURALITY OF WAREHOUSES OF A CARGO SHIP |
| FR8509253A FR2565930B1 (en) | 1984-06-19 | 1985-06-18 | WASTEWATER REMOVAL APPARATUS FOR CLEANING BOTTOMS |
| DE19853521921 DE3521921A1 (en) | 1984-06-19 | 1985-06-19 | DEVICE FOR DRAINING RESIDUAL CLEANING WASTE WATER AFTER CLEANING THE LOADING SPACE OF A BULK GOODS TRANSPORTER |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59125480A JPS616089A (en) | 1984-06-19 | 1984-06-19 | Discharge device of cleaning bilge in hold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS616089A JPS616089A (en) | 1986-01-11 |
| JPH0349797B2 true JPH0349797B2 (en) | 1991-07-30 |
Family
ID=14911131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59125480A Granted JPS616089A (en) | 1984-06-19 | 1984-06-19 | Discharge device of cleaning bilge in hold |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS616089A (en) |
| KR (1) | KR910000634B1 (en) |
| DE (1) | DE3521921A1 (en) |
| ES (1) | ES8607856A1 (en) |
| FI (1) | FI83410C (en) |
| FR (1) | FR2565930B1 (en) |
| GB (1) | GB2162130B (en) |
| NO (1) | NO168292C (en) |
| SE (1) | SE459082B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6486101A (en) * | 1987-06-18 | 1989-03-30 | Toray Industries | Production of antireflecting article |
| KR100467962B1 (en) * | 2002-03-18 | 2005-01-24 | 대우조선해양 주식회사 | Waste of ballast tank removing apparatus in LNG carrier |
| JP5562186B2 (en) * | 2010-09-13 | 2014-07-30 | ジャパンマリンユナイテッド株式会社 | Circulation system for ship ballast water |
| CN111319716A (en) * | 2020-03-30 | 2020-06-23 | 广船国际有限公司 | Cargo hold inlet water treatment device and treatment method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2139081B (en) * | 1983-04-20 | 1987-01-28 | Si Jet Limited | Cleaning tanks and holds of ships |
-
1984
- 1984-06-19 JP JP59125480A patent/JPS616089A/en active Granted
-
1985
- 1985-06-05 GB GB08514226A patent/GB2162130B/en not_active Expired
- 1985-06-10 FI FI852307A patent/FI83410C/en not_active IP Right Cessation
- 1985-06-12 KR KR1019850004124A patent/KR910000634B1/en not_active Expired
- 1985-06-17 SE SE8502990A patent/SE459082B/en not_active IP Right Cessation
- 1985-06-18 NO NO852460A patent/NO168292C/en unknown
- 1985-06-18 FR FR8509253A patent/FR2565930B1/en not_active Expired
- 1985-06-18 ES ES544326A patent/ES8607856A1/en not_active Expired
- 1985-06-19 DE DE19853521921 patent/DE3521921A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NO852460L (en) | 1985-12-20 |
| DE3521921C2 (en) | 1990-05-23 |
| KR910000634B1 (en) | 1991-01-31 |
| FR2565930A1 (en) | 1985-12-20 |
| FI83410B (en) | 1991-03-28 |
| GB2162130A (en) | 1986-01-29 |
| JPS616089A (en) | 1986-01-11 |
| FI852307A0 (en) | 1985-06-10 |
| NO168292B (en) | 1991-10-28 |
| KR860000188A (en) | 1986-01-27 |
| FI852307L (en) | 1985-12-20 |
| SE8502990L (en) | 1985-12-20 |
| DE3521921A1 (en) | 1985-12-19 |
| SE8502990D0 (en) | 1985-06-17 |
| GB2162130B (en) | 1987-12-02 |
| FR2565930B1 (en) | 1989-07-28 |
| ES8607856A1 (en) | 1986-06-01 |
| SE459082B (en) | 1989-06-05 |
| ES544326A0 (en) | 1986-06-01 |
| FI83410C (en) | 1991-07-10 |
| NO168292C (en) | 1992-02-05 |
| GB8514226D0 (en) | 1985-07-10 |
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