CN103057658A - Less ballast water single paddle ship line - Google Patents
Less ballast water single paddle ship line Download PDFInfo
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- CN103057658A CN103057658A CN2011103155477A CN201110315547A CN103057658A CN 103057658 A CN103057658 A CN 103057658A CN 2011103155477 A CN2011103155477 A CN 2011103155477A CN 201110315547 A CN201110315547 A CN 201110315547A CN 103057658 A CN103057658 A CN 103057658A
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Abstract
The invention discloses a less ballast water single paddle ship line which meets the following parameter requirements that 1.1 is less than B 2 or B is less than 1.2, 0.10 is less than B 1 or B is less than 0.35, and 15 degrees are less than A and A is less than 25 degrees, wherein B refers to the width of the existing ship, B 1 refers to the flat bottom width of the less ballast water single paddle ship, B 2 refers to the width of the width of the less ballast water single paddle ship, and A refers to the bottom tilt angle of the less ballast water single paddle ship. According to the less ballast water single paddle ship line, the ship ballast water is reduced by more than 65%, pollution to environment is reduced, and economic benefit of ships in no-load sealing condition is greatly improved. In addition, compared with a V-shaped ship, the less ballast water single paddle ship line has the advantages of being convenient to construct, good in maneuverability, and flexible. And construction cost is reduced.
Description
Technical field
The present invention relates to the design of supporting technology Ship Hull Lines in the technical field of ships, in particular, the improvement of doing based on prior art Ship Hull Lines molded breadth.
Background technology
The whole world has more than 85000 boats and ships delivery and discharging to surpass 10,000,000,000 tons of ballast waters every year, and contains more than 1.1 hundred million of planktons in the average ballast water per ton.These planktons enter strange waters with the local marine environment of serious threat, destroy the ecologic balance.For preventing and control ballast water for ship and propagate unwanted aquatic organism and pathogen that International Maritime Organization (IMO) (IMO) passes through " Management of Ships ' Ballast Water and sediment monitoring thereof and management contract " in February, 2004, expectation will come into force in 2012.Its enforcement will force the shipowner to increase expensive ballast water treatment equipment aboard ship and bear the mass energy expense of the required consumption of processing ballast.
For reducing above-mentioned international convention the adverse effect of bringing is built in ship design, in the urgent need to the novel line style of the boats and ships of developing few ballast water.Take 30 ten thousand years gross ton oil carriers as example, adopt the existing ship line style, reach 8.5 meters left and right sides ballast drafts of code requirement, about 150,000 tons of displacement, wherein 100,000 tons are used for loading environmentally harmful, need ballast water to be processed.
And the design of Ship Hull Lines directly determines rapidity and the stability of boats and ships.
Summary of the invention
The present invention is intended to develop a kind of novel ship line style, mainly is based on prior art Ship Hull Lines molded breadth and does to improve.Compare with the existing ship line style, the present invention realizes reducing ballast water for ship more than 65% under the prerequisite that satisfies all boats and ships rules, environmental contamination reduction, and greatly improve the economic benefit of boats and ships under unloaded operational configuration.
In order to achieve the above object, the present invention lacks the single-blade Ship Hull Lines of ballast water, selects the composite line type structure of narrow flat and large wedged bottom, specifically, need to satisfy following parameter request:
1.1＜B
2/B＜1.2，
0.10＜B
1/B＜0.35，
15°＜A＜25°，
Wherein, B is prior art boats and ships molded breadths;
B
1Face width for boats and ships of the present invention;
B
2Molded breadth for boats and ships of the present invention;
A is bottom of ship of the present invention angle of inclination.
Ship Hull Lines of the present invention can reduce the prior art ballast water for ship more than 65% by parameter designing, greatly improves the economic benefit of prior art boats and ships under unloaded operational configuration.In addition, " V " type ship, the present invention has the advantages such as conveniently build, reduce laid down cost, road-holding property is good, and is flexible.The Ship Hull Lines that the present invention is directed in addition prior art improves, and has kept most structures and the size of prior art boats and ships, thereby reaches the requirement of compatible existing building technology, reduction laid down cost and vessel operating cost.
Description of drawings
Fig. 1 is the present invention and the comparison structure scheme drawing of prior art single-blade boats and ships aspect line style, and figure is the bench section of line style;
Fig. 2 is the schematic cross section of prior art single-blade Ship Hull Lines among Fig. 1;
Fig. 3 is the schematic cross section of single-blade Ship Hull Lines of the present invention among Fig. 1;
Fig. 4 is the comparison structure scheme drawing of the single-blade boats and ships specific embodiment of the present invention and prior art Ship Hull Lines bench section;
Fig. 5 is the comparison structure scheme drawing of the present invention and " V " type single-blade Ship Hull Lines bench section.
The specific embodiment
The present invention compares with the existing ship line style, abandons using the wide end, loose line style, and adopt narrow flat+large wedged bottom line style, concrete size relationship is as Figure 1-3.Dotted line represents the Ship Hull Lines of prior art among the figure, and solid line represents the few ballast water Ship Hull Lines of the present invention.
Two kinds of line style scheme contrasts, the key technical indexes is as follows:
1.1＜B
2/B＜1.2
0.10＜B
1/B＜0.35
15 degree＜A＜25 degree
The boats and ships molded breadth of wherein, B---prior art;
B
1---the face width of few ballast water boats and ships;
B
2---few ballast water boats and ships molded breadth;
A---few ballast water bottom of ship angle of inclination;
A
1---the displacement that few ballast water boats and ships increase than existing ship;
A
2---the displacement that few ballast water boats and ships reduce than existing ship.
Wherein, the boats and ships of prior art can be VLCC type ship, SUEZ type ship, AFRAMAX type ship etc.Wherein, VLCC ship, B=60 rice; The SUEZ ship, B=50 rice; The AFRAMAX type ship, B=42 rice.Other parameters of Ship Hull Lines of the present invention are such as aspects such as height, length, close with the boats and ships of prior art or equate.
The principle that the present invention reduces ballast water for ship is as follows:
According to the MARPOL rule, the marine operation safety criterion is as follows:
Mean Draft 〉=2+0.02L (L: the captain)
Trim≤0.015L
Screw propeller submergence 〉=100%
As seen from Figure 4, few ballast water Ship Hull Lines is compared with the existing ship line style, and only keep segment in the bottom flat, all the other adopt 15 ° of-25 ° of wedged bottoms, in the identical situation of drinking water, reduced the vessel displacement in the shaded area, thereby realized reducing the purpose of ballast water for ship.
Compare with the existing ship line style, few ballast water boats and ships beam increases, hull more than ballast waterline partly provides more displacement, so just realized that few ballast water boats and ships are in the nondecreasing situation of load carrying ability, but greatly reduce the load carrying ability under the ballast waterline, thereby realize reducing ballast water capacity more than 65%.
In addition, as shown in Figure 5, the comparison of the few ballast water Ship Hull Lines of the present invention and " V " type ship line style, dotted line represents " V " type ship line style among the figure, solid line represents the few ballast water Ship Hull Lines of the present invention.The comparison of the few ballast water Ship Hull Lines of the present invention and " V " type ship line style has outstanding advantage, and is as follows:
1. compare with " V " type ship line style, few ballast water Ship Hull Lines has " B
1" section is flat, be convenient to boats and ships and spread pier and build;
2. compare with " V " type ship line style, the light weight of few ballast water boats and ships alleviates about 3000 tons, greatly reduces laid down cost.
3. compare with " V " type ship line style, the beam of few ballast water boats and ships is less, and road-holding property is better;
4. compare with " V " type ship line style ship, the cargo oil tank number of packet of few ballast water boats and ships is less;
5. compare with " V " type ship line style, floading condition, the local curved of boats and ships that few ballast water boats and ships have a small amount of ballast water to can be used for adjusting boats and ships are refused and intensity of shear, load more flexible.
The above; only be the better specific embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (1)
1. the single-blade Ship Hull Lines of a few ballast water is characterized in that, selects the composite line type structure of narrow flat and large wedged bottom, satisfies following parameter request:
1.1＜B
2/B＜1.2，
0.10＜B
1/B＜0.35，
15°＜A＜25°，
Wherein, B is prior art boats and ships molded breadths;
B
1Face width for boats and ships of the present invention;
B
2Molded breadth for boats and ships of the present invention;
A is bottom of ship of the present invention angle of inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103155477A CN103057658A (en) | 2011-10-18 | 2011-10-18 | Less ballast water single paddle ship line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103155477A CN103057658A (en) | 2011-10-18 | 2011-10-18 | Less ballast water single paddle ship line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103057658A true CN103057658A (en) | 2013-04-24 |
Family
ID=48100624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103155477A Pending CN103057658A (en) | 2011-10-18 | 2011-10-18 | Less ballast water single paddle ship line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103057658A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019525860A (en) * | 2017-07-25 | 2019-09-12 | コリア インスティチュート オブ オーシャン サイエンス アンド テクノロジー | Ballast-free watercraft using depth difference between bottom and center of bow and center and its construction method |
| CN111674524A (en) * | 2020-06-08 | 2020-09-18 | 大连理工大学 | Bottom-up molded line layered design method for ballastless water ship |
| EP3885243A1 (en) * | 2020-03-24 | 2021-09-29 | Ecoeficiencia e Ingenieria, S.L. | Ballastless cargo vessels |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1425243A (en) * | 1919-05-16 | 1922-08-08 | Sr John Duthie | Ship-hull construction |
| GB1253219A (en) * | 1967-12-29 | 1971-11-10 | ||
| US4046092A (en) * | 1975-04-30 | 1977-09-06 | Toernqvist Bengt Wilhelm | Ship's hull |
| NL8802147A (en) * | 1988-08-31 | 1990-03-16 | Meeusen Pieter | Container ship construction - has extra carrying capacity by widening upper deck at least over half total length, with side hull panels slopping upwards toward deck |
| JP2008018812A (en) * | 2006-07-12 | 2008-01-31 | Shipbuilding Research Centre Of Japan | Large sized transportation vessel |
| JP2008260318A (en) * | 2007-04-10 | 2008-10-30 | Minoru Okada | Two-stage bottom ship |
| KR20100049150A (en) * | 2008-11-03 | 2010-05-12 | 현대중공업 주식회사 | Large ship for minimization of ballast water |
| CN201932335U (en) * | 2011-01-10 | 2011-08-17 | 张连达 | Seawater ballast-free chemical ship |
| CN202295217U (en) * | 2011-10-18 | 2012-07-04 | 大连船舶重工集团有限公司 | Single-propeller ship line form with less ballast water |
-
2011
- 2011-10-18 CN CN2011103155477A patent/CN103057658A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1425243A (en) * | 1919-05-16 | 1922-08-08 | Sr John Duthie | Ship-hull construction |
| GB1253219A (en) * | 1967-12-29 | 1971-11-10 | ||
| US4046092A (en) * | 1975-04-30 | 1977-09-06 | Toernqvist Bengt Wilhelm | Ship's hull |
| NL8802147A (en) * | 1988-08-31 | 1990-03-16 | Meeusen Pieter | Container ship construction - has extra carrying capacity by widening upper deck at least over half total length, with side hull panels slopping upwards toward deck |
| JP2008018812A (en) * | 2006-07-12 | 2008-01-31 | Shipbuilding Research Centre Of Japan | Large sized transportation vessel |
| JP2008260318A (en) * | 2007-04-10 | 2008-10-30 | Minoru Okada | Two-stage bottom ship |
| KR20100049150A (en) * | 2008-11-03 | 2010-05-12 | 현대중공업 주식회사 | Large ship for minimization of ballast water |
| CN201932335U (en) * | 2011-01-10 | 2011-08-17 | 张连达 | Seawater ballast-free chemical ship |
| CN202295217U (en) * | 2011-10-18 | 2012-07-04 | 大连船舶重工集团有限公司 | Single-propeller ship line form with less ballast water |
Non-Patent Citations (1)
| Title |
|---|
| 官小伟: "35000tV型无压载水散货船主尺度可行域研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑 》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019525860A (en) * | 2017-07-25 | 2019-09-12 | コリア インスティチュート オブ オーシャン サイエンス アンド テクノロジー | Ballast-free watercraft using depth difference between bottom and center of bow and center and its construction method |
| EP3885243A1 (en) * | 2020-03-24 | 2021-09-29 | Ecoeficiencia e Ingenieria, S.L. | Ballastless cargo vessels |
| CN111674524A (en) * | 2020-06-08 | 2020-09-18 | 大连理工大学 | Bottom-up molded line layered design method for ballastless water ship |
| CN111674524B (en) * | 2020-06-08 | 2022-03-04 | 大连理工大学 | Bottom-up molded line layered design method for ballastless water ship |
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Application publication date: 20130424 |