KR20160118626A - Ballast apparatus for using watertight bag of vlcc and ship having the same - Google Patents

Ballast apparatus for using watertight bag of vlcc and ship having the same Download PDF

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Publication number
KR20160118626A
KR20160118626A KR1020150047017A KR20150047017A KR20160118626A KR 20160118626 A KR20160118626 A KR 20160118626A KR 1020150047017 A KR1020150047017 A KR 1020150047017A KR 20150047017 A KR20150047017 A KR 20150047017A KR 20160118626 A KR20160118626 A KR 20160118626A
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KR
South Korea
Prior art keywords
watertight
crude oil
ballast
pouch
pipe
Prior art date
Application number
KR1020150047017A
Other languages
Korean (ko)
Inventor
김성종
김세환
김정환
김도현
고원규
양해욱
정재상
이준수
김용수
김성표
Original Assignee
대우조선해양 주식회사
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 대우조선해양 주식회사 filed Critical 대우조선해양 주식회사
Priority to KR1020150047017A priority Critical patent/KR20160118626A/en
Publication of KR20160118626A publication Critical patent/KR20160118626A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
    • B63B43/06—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/02—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by displacement of masses
    • B63B39/03—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by displacement of masses by transferring liquids
    • B63B2731/00—

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Abstract

The present invention relates to a ballast apparatus using a watertight bag of a crude oil carrier which is provided with a watertight bag made of a flexible watertight material in a crude oil tank and capable of performing a ballast function by injecting clean water into a watertight bag. The ballast apparatus is installed in a crude oil tank filled with crude oil A watertight bag for regulating the ballast; a pipe connected to the watertight pouch for allowing fresh water to flow in and out to control the ballast; and a pump connected to the pipe for introducing and discharging fresh water into the watertight pouch through the pipe .

Description

Technical Field [0001] The present invention relates to a ballast apparatus using a watertight bag of a crude oil carrier and a vessel having the ballast apparatus,

The present invention relates to a ballast apparatus using a watertight bag of a crude oil carrier, and more particularly, to a ballast tank having a watertight bag made of a flexible watertight material in a crude oil tank, To a ballast apparatus using a watertight bag.

Generally, a ballast is a heavy material that is loaded on a ship to maintain the balance of the ship from the wind or waves when the amount of the cargo in the ship is small. Although the ballast uses a solid material or a solid material having a high specific gravity, The sea water that can be supplied to the sea is mainly used.

Therefore, a ballast tank capable of receiving seawater as a ballast system is installed between the cargo tank of the ship and the shell plating.

However, in the ballast system storing conventional seawater in the ballast tank, when a ship containing the seawater in the ballast tank is moved to the next loading port in the state of unloading the original cargo, the ballast tank There is a problem that marine pollution occurs due to the discharge port.

In other words, the seawater contained in the ballast tanks at the first loading port includes microbacteria, marine plants, fishes, and crustaceans alive in the first unloading port area. When these seawater is discharged to other loading port areas, the marine ecosystem changes There is a problem that occurs.

In order to solve this problem, the conventional ballast system requires an additional facility for an expensive ballast water treatment apparatus (Manipulation System) for preventing environmental pollution caused by the sea water movement described above. There has been a problem in that an additional increase in cost is incurred in ship manufacturing.

Korean Patent Publication No. 10-2012-0043796 (2012.05.07. Disclosed)

The object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a watertight pouch having a watertight function and a flexible material in a crude oil tank for loading oil, It can be adjusted to the ballast by filling the water in the water-tight pouch after piping to remove the oil without taking up the space. Therefore, it is possible to control the ballast water-tightness of the crude oil tanker which can be exported to the environment- And a ballast apparatus using the bag and a vessel having the ballast apparatus.

According to one aspect of the present invention, there is provided a ballast apparatus for a crude oil carrier, comprising: a watertight bag provided in a crude oil tank filled with crude oil to adjust a ballast; A piping for allowing fresh water to flow in and out, and a pump connected to the piping to pump fresh water into and out of the watertight pouch through piping.

The watertight pouch may be provided with a flexible watertight material of a stretchable and watertight synthetic resin.

The watertight pouch may be provided in the form of a balloon with an inlet through which piping is connected and fresh water is introduced and discharged through the piping.

A valve for introducing and discharging fresh water into the watertight pouch by the operation of the pump may be installed in the pipe.

A filter may be installed inside the pipe to clean purified water flowing into the watertight pouch.

The piping may be installed in a double structure of internal and external so as to withstand the pressure generated in the crude oil tank.

The pipe may be provided with a pressure gauge for checking the pressure inside the watertight bag.

The pipe may be provided with a flow rate gauge to check the capacity of fresh water to be filled in the watertight pouch.

According to another aspect of the present invention, there is provided a watertight pouch made of flexible watertight material capable of expanding and contracting in a crude oil tank filled with the crude oil, and when the crude oil is filled in the crude oil tank, To provide a ship having a ballast device using a watertight bag of a crude oil carrier so as to be able to use fresh water after arriving at a destination (oil producing country).

As described above, according to the ballast apparatus using the watertight bag of the crude oil carrier of the present invention, the hydraulic watertight bag which is stretchable and watertight can be installed in the crude oil tank in which the crude oil is contained. Thus, fresh water is injected into the watertight bag and the crude oil carrier (VLCC) It is possible to prevent flooding of the ecosystem as the watertight pouch performs the ballast function while transporting the fresh water when the crude oil tank is vacant in order to maximize the operational efficiency of the crude oil carrier. It is possible to maximize the economical efficiency.

1 is a plan view of a crude oil carrier equipped with a ballast device according to the present invention.
2 is a conceptual diagram showing a state in which the watertight bag of the ballast apparatus according to the present invention is empty.
3 is a conceptual diagram showing a state in which clean water is filled in a watertight bag of a ballast apparatus according to the present invention.
4 is an exploded view showing a ballast apparatus according to the present invention.
5 is a flowchart of a ballast system according to the present invention.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a plan view of a crude oil carrier equipped with a ballast device according to the present invention, FIG. 2 is a conceptual view showing a state in which a watertight bag of the ballast device according to the present invention is empty, FIG. 4 is an exploded view of a ballast apparatus according to the present invention, and FIG. 5 is a flowchart of a ballast apparatus according to the present invention.

As shown in FIGS. 1 to 5, a ballast apparatus for a crude oil carrier according to the present invention includes a watertight bag 200, a pipe 300, and a pump 400.

The watertight pouch 200 is installed inside the circular oil chamber 100 filled with the crude oil 110, and the ballast can be adjusted by injecting fresh water 210.

The watertight pouch 200 is made of a flexible waterproof material made of synthetic resin so that it can be shrunk and compressed according to the crude oil 110 filled in the crude oil tank 100.

The watertight pouch 200 is installed in a balloon shape so as to be shrunk and compressed in the crude oil tank 100.

The watertight pouch 200 is preferably watertight so that the crude oil 110 filled in the crude oil tank 100 does not permeate into the watertight pouch 200.

That is, when the crude oil 110 is filled in the crude oil tank 100, the water-tight bag 200 is shrunk and compressed in the crude oil tank 100 to remove the crude oil 110 of the crude oil tank 100 The clean water 210 can be injected into the water-tight bag 200 to ballast the water.

The fresh water 210 can be transported to the watertight pouch 200 by controlling the ballast water by injecting the fresh water 210 into the watertight pouch 200 while using the characteristics of the region where the crude oil carrier is loaded.

An inflow port 201 is connected to the upper part of the watertight bag 200 so that fresh water 210 can be introduced and discharged through the pipeline 300.

The pipeline 300 is connected to the watertight pouch 200 to allow the clean water 210 to flow in and out of the watertight pouch 200.

At this time, the pipe 300 is installed to be exposed to the outside of the crude oil tank 100.

In addition, the piping 300 is installed in an inner and outer structure so as to withstand the pressure generated in the crude oil tank 100.

The pipe 300 is provided with a pressure gauge 310 for checking the pressure inside the water-tight bag 200.

A flow rate gauge 340 is installed in the piping 300 to check the capacity of the fresh water 210 filled in the watertight pouch 200 through the pipe 300 by the operation of the pump 400 .

A valve 320 for opening and closing the pipe 300 is installed in the pipe 300 so that the purified water 210 can be introduced into and discharged from the watertight pouch 200 by the operation of the pump 400.

The valve 320 may be manually turned on or off or may be automatically turned on or off under the control of the controller 500.

A filter 330 is installed inside the pipe 300 to clean purified water 210 flowing into and out of the water-tight bag 200.

That is, when the fresh water 210 is introduced into or discharged from the water-tight bag 200 through the pipe 300, the fresh water 210 is purified by the filter 330 to supply clean water.

The pump 400 is connected to the pipeline 300 and operates according to an electrical signal to supply or discharge the clear water 210 to the watertight pouch 200 through the pipeline 300.

According to another aspect of the present invention, a watertight pouch (200) made of a flexible watertight material is installed in a crude oil tank (100) of a crude oil carrier carrying the crude oil (110) When the crude oil 110 is filled with the crude oil 110, the water-tight bag 200 is flatly compressed so as not to occupy a space. When the crude oil 110 is removed, fresh water 210 is injected into the water- It is applicable to a ship having a ballast device using a watertight bag of a crude oil carrier so that the ballast can be adjusted and the fresh water 210 can be supplied to the destination (oil producing country).

That is, a watertight bag 200 made of flexible watertight material is installed in the crude oil tank 100 and the crude oil 110 is filled in the crude oil tank 100 when the crude oil is transported to adjust the ballast with the crude oil 110, The pump 400 is operated under the control of the controller 500 and the fresh water 210 is supplied to the watertight pouch 200 through the pipeline 300 by the operation of the pump 400 It is possible to fill the ballast and apply it to all ships which can use the clean water 210 purified by the filter 330 to reach the destination (oil producing country) and be transferred to the land.

The operation of the ballast system according to the present invention will be described below.

When the crude oil tank 100 is filled with the crude oil 110 to operate the crude oil carrier VLCC, the ballast can be adjusted by the oil 110 filled in the crude oil tank 100.

At this time, when the crude oil 110 is filled in the crude oil tank 100, the water-tight bag 200 installed inside the crude oil tank 100 is empty. Therefore, the water-tight bag 200 is compressed and flattened in the crude oil tank 100 Respectively.

The watertight pouch 200 is made of a flexible watertight material so that when the crude oil 110 is filled in the crude oil tank 100, the watertight pouch 200 does not take up space to fill the crude oil 110 smoothly .

The watertight pouch 200 can be watertightly sealed as well as expanded and contracted, so that the crude oil 110 can not penetrate into the watertight pouch 200 when the crude oil 110 is filled.

After the crude oil 110 is filled in the crude oil tank 100 and the crude oil 110 of the crude oil tank 100 is completely discharged after the operation, the crude oil tank 100 becomes empty. 200 to fill the fresh water 210.

That is, the valve 320 is opened to inject the fresh water 210 into the water-tight bag 200 and the fresh water 210 flows into the pipe 300 according to the operation of the pump 400, And is introduced into the bag 200.

In addition, as the water-tight bag 200 is filled with fresh water 210, the water-tight bag 200 is inflated, and the ballast water can be adjusted by the fresh water 210.

In addition, the fresh water 210 filled in the water-tight bag 200 can be used to move the fresh water 210 stored in the water-tight bag 200 to the land by navigating the crude oil carrier by controlling the ballast .

At this time, when the water-tight bag 200 is filled with the fresh water 210, the filter 330 is installed in the pipe 300 so that the fresh water 210 can be purified and the reliability of the buyer can be improved.

Therefore, in the ballast apparatus according to the present invention, the watertight pouch 200, which is stretchable and watertight, is installed in the crude oil tank 100 and fresh water 210 is put in the watertight pouch 200 in the state where all the crude oil 110 is removed, It is possible to supply clean water to the oil producing countries without increasing the ecosystem disturbance caused by the seawater, thereby improving the economic efficiency.

As described above, the present invention is not limited to the above-described specific preferred embodiments, and any person skilled in the art can make various modifications without departing from the gist of the present invention. It is to be understood that such changes and modifications are intended to fall within the scope of the appended claims.

100: Crude oil tank
110: Crude oil
200: Waterproof bag
201: inlet
210: fresh water
300: Piping
310: Pressure gauge
320: Valve
330: Filter
340: Flow rate gauge
400: pump
500: controller

Claims (9)

In a ballast apparatus for a crude oil carrier,
A watertight pouch installed in a crude oil tank filled with crude oil to control the ballast;
A pipe connected to the watertight bag for allowing fresh water to flow in and out to control the ballast; And
A pump connected to the pipeline for introducing and discharging fresh water into the watertight pouch through a pipe;
The ballast device using the watertight bag of the crude oil carrier. The method according to claim 1,
Wherein the watertight pouch is made of a flexible watertight material of synthetic resin. The method according to claim 1,
Wherein the watertight pouch is installed in the form of a balloon having an inlet through which piping is connected and fresh water is introduced and discharged through the piping. The method according to claim 1,
Wherein the pipe is provided with a valve for introducing and discharging fresh water into and from the watertight bag by the operation of a pump. The method according to claim 1,
Wherein a filter is installed inside the pipe to clean purified water flowing into the watertight pouch. The method according to claim 1,
Wherein the pipe is installed in a double structure of an inner and an outer so as to withstand the pressure generated inside the crude oil tank. The method according to claim 1,
Wherein the pipe is provided with a pressure gauge for checking the pressure inside the watertight pouch. The method according to claim 1,
Wherein the pipe is provided with a flow rate gauge for checking the capacity of the fresh water filled in the watertight pouch. A crude oil tank filled with the crude oil according to any one of claims 1 to 8 is provided with a watertight pouch made of flexible watertight material capable of stretching and watertightness. When crude oil is filled in the crude oil tank, it is compressed flatly. A vessel having a ballast system using watertight pouches of crude oil carriers so that the ballast can be filled with fresh water and the water can be removed after reaching the destination (oil producing country).
KR1020150047017A 2015-04-02 2015-04-02 Ballast apparatus for using watertight bag of vlcc and ship having the same KR20160118626A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107933846A (en) * 2017-12-19 2018-04-20 苏州远征魂车船技术有限公司 A kind of device preventing tilting peculiar to vessel
CN107933847A (en) * 2017-12-19 2018-04-20 苏州远征魂车船技术有限公司 A kind of device for ships
CN108058791A (en) * 2017-12-19 2018-05-22 苏州远征魂车船技术有限公司 A kind of steady device peculiar to vessel
WO2019019352A1 (en) * 2017-07-28 2019-01-31 广船国际有限公司 Strength testing method for very large crude carrier
CN110696985A (en) * 2019-10-21 2020-01-17 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） Method for improving stability of liquefied gas carrier
CN111017169A (en) * 2019-12-16 2020-04-17 哈尔滨工程大学 Miniature gravity adjusting device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120043796A (en) 2010-10-27 2012-05-07 대우조선해양 주식회사 The ballast system of vessel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120043796A (en) 2010-10-27 2012-05-07 대우조선해양 주식회사 The ballast system of vessel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019019352A1 (en) * 2017-07-28 2019-01-31 广船国际有限公司 Strength testing method for very large crude carrier
CN107933846A (en) * 2017-12-19 2018-04-20 苏州远征魂车船技术有限公司 A kind of device preventing tilting peculiar to vessel
CN107933847A (en) * 2017-12-19 2018-04-20 苏州远征魂车船技术有限公司 A kind of device for ships
CN108058791A (en) * 2017-12-19 2018-05-22 苏州远征魂车船技术有限公司 A kind of steady device peculiar to vessel
CN110696985A (en) * 2019-10-21 2020-01-17 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） Method for improving stability of liquefied gas carrier
CN111017169A (en) * 2019-12-16 2020-04-17 哈尔滨工程大学 Miniature gravity adjusting device
CN111017169B (en) * 2019-12-16 2021-10-01 哈尔滨工程大学 Miniature gravity adjusting device

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