CN110775217A - Ship ballast water treatment system and method based on barge or wharf - Google Patents
Ship ballast water treatment system and method based on barge or wharf Download PDFInfo
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- CN110775217A CN110775217A CN201911045862.5A CN201911045862A CN110775217A CN 110775217 A CN110775217 A CN 110775217A CN 201911045862 A CN201911045862 A CN 201911045862A CN 110775217 A CN110775217 A CN 110775217A
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- ballast
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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
- 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
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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
- B63B11/00—Interior subdivision of hulls
- B63B11/04—Constructional features of bunkers, e.g. structural fuel tanks, or ballast tanks, e.g. with elastic walls
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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
- B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
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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
- B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
- B63B2013/005—Sea chests
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses a ship ballast water treatment system and a treatment method based on a barge or a wharf, wherein the ship ballast water treatment system comprises a seawater tank and a ballast tank which are arranged on a ship; a pressurizing loading pipeline and a pressure discharging loading pipeline are arranged between the seawater tank and the ballast tank; at least one set of processing device is arranged in the pressurizing and loading pipeline, and the processing device is connected into the pressurizing and loading pipeline through a first hose and a second hose; the processing device is fixed on a wharf or a barge. The ship ballast water treatment system based on the barge or the wharf does not need to be provided with a ballast water treatment device on the ship, and the treatment of the ballast water on the ship utilizes the treatment device arranged on the wharf or the barge, so that the manufacturing cost of the ship is reduced, the weight of the ship is lightened, the utilization rate of the treatment device is improved, and the pollution to the environment during the period that the ship treatment device works to supply electric energy to a generator is reduced.
Description
Technical Field
The invention relates to the field of ship ballast water treatment, in particular to a ship ballast water treatment system and method based on a barge or a wharf.
Background
The existing ships carrying ballast water need to be provided with one or more sets of ballast water treatment devices on the ships to realize the treatment of the ship ballast water. The treatment device is arranged on the ship, thereby occupying valuable space on the ship, simultaneously increasing the weight of the ship and reducing the loading capacity of the ship. When the treatment device is operating, it also consumes a lot of electrical energy, and when the diesel generator on board produces electrical energy, it also produces pollution of emissions. The treatment apparatus of a single treatment system disposed on a ship is poor in adaptability to ballast water.
The present invention is an improvement to solve the above problems.
Disclosure of Invention
The invention aims to provide a ship ballast water treatment system and method based on a barge or a wharf
The technical scheme adopted by the invention for solving the technical problem is as follows:
a ship ballast water treatment system based on a barge or a wharf comprises a seawater tank and a ballast tank which are arranged on a ship.
A pressurizing loading pipeline and a pressure discharging loading pipeline are arranged between the seawater tank and the ballast tank; at least one set of processing device is arranged in the pressurizing and loading pipeline, and the processing device is connected into the pressurizing and loading pipeline through a first hose and a second hose; the processing device is fixed on a wharf or a barge.
Furthermore, the pressurizing loading pipeline comprises a first valve connected to the water outlet end of the sea water tank through a pipeline, the other end of the first valve is connected with a ballast pump through a pipeline, the water outlet end of the ballast pump is connected with a second valve through a pipeline, the water outlet end of the second valve is connected with a fourth valve through a pipeline, and a first blind flange 0 is fixed at the water outlet end of the fourth valve; an opening of the ballast tank is connected with a valve III through a pipeline, the other end of the valve III is connected with a valve VII through a pipeline, a water inlet end of the valve VII is connected with a valve VI through a pipeline, and a second blind flange is fixed at a water inlet end of the valve VI; and a third blind flange and a fourth blind flange are respectively fixed at the water inlet end and the water outlet end of the treatment device, the first blind flange 0 is connected with the third blind flange through a first hose, and the second blind flange is connected with the fourth blind flange through a second hose.
Furthermore, the pressure relief loading pipeline comprises a ballast pump, a valve eight, a valve three and a ballast tank which are positioned in the pressure relief loading pipeline, the water inlet end of the ballast pump is also connected with a valve two through a pipeline, and the water inlet end of the valve two is connected with the water inlet end of the valve three through a pipeline; and the water outlet end of the valve II is connected with a valve V through a pipeline, the water outlet end of the valve V is connected with a valve nine through a pipeline, and the water outlet end of the valve nine extends to the outboard of the ship.
Further, the valve eight is a check valve, and the valve one, the valve two, the valve three, the valve four, the valve five, the valve six, the valve seven and the valve nine are stop valves.
Further, the treatment device is used for filtering impurities and marine organisms in seawater.
A ship ballast water treatment method based on a barge or a wharf comprises the following steps:
(1) when the ship needs to be ballasted, the processing device on the wharf or barge is respectively connected with the valve four and the valve six through the first hose and the second hose, the valve one, the valve four, the valve six, the valve seven and the valve three are opened, the ballast pump, the processing device and the valve eight are opened, and the rest valves are kept in a closed state, so that ballast water in the sea water tank enters the ballast tank, the hull of the unloaded ship is enabled to draft, and the unloaded ship cannot turn over;
(2) when the ship needs to discharge ballast and does not pass through the treatment device, closing the first valve, the fourth valve, the sixth valve, the seventh valve and the third valve, and then opening the ballast pump, the eighth valve, the fifth valve and the ninth valve to discharge ballast water in the ballast tank out of the ship; when the ship needs to discharge ballast and passes through the treatment device, the first valve, the fifth valve and the seventh valve are closed, the second valve, the fourth valve, the sixth valve and the ninth valve are opened, and the ballast pump, the eighth valve and the treatment device are opened, so that ballast water in the ballast tank is discharged out of the ship.
The invention has the advantages that:
the ship ballast water treatment system based on the barge or the wharf does not need to be provided with a ballast water treatment device on the ship, and the treatment of the ballast water on the ship utilizes the treatment device arranged on the wharf or the barge, so that the manufacturing cost of the ship is reduced, the weight of the ship is lightened, the utilization rate of the treatment device is improved, and the pollution to the environment during the period that the ship treatment device works to supply electric energy is reduced; aiming at the treatment device with single discharge capacity and single treatment method installed on the ship in the prior art, the invention increases the flexibility of the ballast water treatment method, can treat different ballast water qualities by adopting different treatment modes, can operate by adopting the combination of different numbers of treatment devices, and can not reduce the treatment speed when treating different ballast water.
Drawings
Fig. 1 is a schematic flow chart of a ship ballast water treatment system based on a barge or a wharf according to the present invention.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.
As shown in fig. 1, a ship ballast water treatment system based on a barge or a wharf according to the present invention includes a sea water tank 1 and a ballast tank 2 provided on a ship; a pressurizing loading pipeline and a pressure discharging loading pipeline are arranged between the seawater tank 1 and the ballast tank 2; at least one set of processing device 3 is arranged in the pressurizing and loading pipeline, and the processing device 3 is connected into the pressurizing and loading pipeline through a first hose 4 and a second hose 5; the handling unit 3 is fixed to a quay or barge.
The invention is further provided with: the pressurizing loading pipeline comprises a first valve 6 connected to the water outlet end of the sea water tank 1 through a pipeline, the other end of the first valve 6 is connected with a ballast pump 7 through a pipeline, the water outlet end of the ballast pump 7 is connected with a second valve 8 through a pipeline, the water outlet end of the second valve 8 is connected with a second valve 9 through a pipeline, and a first blind flange 10 is fixed at the water outlet end of the second valve 9; an opening of the ballast tank 2 is connected with a valve III 11 through a pipeline, the other end of the valve III 11 is connected with a valve VII 12 through a pipeline, a water inlet end of the valve VII 12 is connected with a valve VI 13 through a pipeline, and a second blind flange 14 is fixed at a water inlet end of the valve VI 13; a third blind flange 15 and a fourth blind flange 16 are respectively fixed at the water inlet end and the water outlet end of the treatment device 3, the first blind flange 10 is connected with the third blind flange through a first hose 4, and the second blind flange 14 is connected with the fourth blind flange 16 through a second hose 5. By adopting the technical scheme, in the process of pressurizing and loading the ship, the processing device arranged on the wharf or the barge is connected with the ballast piping on the ship through the hose. One or more sets of processing devices adopting different processing methods are arranged on the wharf or the barge so as to meet the requirements of ballast water injection rates of different ships, and the ships with high water injection rates can be connected with the processing devices; opening a valve I, a valve III, a valve IV, a valve VI, a valve VII and a valve VIII; and closing the second valve, the fifth valve and the ninth valve, and enabling ballast water to enter the ballast tank from the seawater tank, the ballast pump and the treatment device in sequence.
The invention is further provided with: the pressure relief loading pipeline comprises a ballast pump 7, a valve eight 8, a valve three 11 and a ballast tank 2 which are positioned in the pressure relief loading pipeline, the water inlet end of the ballast pump 7 is also connected with a valve two 17 through a pipeline, and the water inlet end of the valve two 17 is connected with the water inlet end of the valve three 11 through a pipeline; the water outlet end of the valve eight 8 is connected with a valve five 18 through a pipeline, the water outlet end of the valve five 18 is connected with a valve nine 19 through a pipeline, and the water outlet end of the valve nine 19 extends to the outboard of the ship. By adopting the technical scheme, in the process of pressure load discharging, the processing device arranged on the wharf or the barge is connected with the ballast piping on the ship through the hose. One or more sets of treatment devices adopting different treatment methods are arranged on the wharf or the barge so as to adapt to the requirements of ballast water discharge rates of different ships and adapt to different ballast water qualities. Multiple sets of treatment devices can be accessed for ships with high discharge rates. For the treatment device which does not need to treat the ballast water in the discharge process, the valve II, the valve III, the valve V, the valve nine and the valve eight are opened; and the first valve, the fourth valve, the sixth valve and the seventh valve are closed, and the ballast water in the ballast tank is discharged to the outside of the ship board through the ballast pump. In the process of pressure load discharge, as for a treatment device needing treatment of ballast water in the discharge process, a valve II, a valve III, a valve IV, a valve VI, a valve IX and a valve VIII are opened; and closing the first valve, the fifth valve and the seventh valve. The ballast water in the ballast tank is discharged to the outside through the ballast pump.
The invention is further provided with: the valve eight 8 is a check valve, and the valve I6, the valve II 17, the valve III 11, the valve IV 9, the valve V18, the valve VI 13, the valve VII 12 and the valve IX 19 are stop valves.
The invention is further provided with: the treatment device 3 is used for filtering impurities and marine organisms in seawater. Through adopting above-mentioned technical scheme, processing apparatus is used for handling the ballast water of boats and ships, kills the biology in the ballast water, and the ballast water that prevents to carry when boats and ships are sailed takes the biology in the sea water from a pier to another pier, prevents to arouse the migration of marine life. The treatment device is the prior art and equipment, ballast water treatment devices with various treatment modes are available on the market, the treatment method adopted by each treatment device is different, the filtration is only one treatment process in the treatment device, and other treatment methods such as seawater electrolysis, ultraviolet killing and the like are matched to form a set of complete seawater treatment process.
The invention is further provided with:
a ship ballast water treatment method based on a barge or a wharf comprises the following steps:
(1) when the ship needs to be ballasted, the processing device on the wharf or barge is respectively connected with the valve IV 9 and the valve VI 13 through the first hose 4 and the second hose 5, the valve I6, the valve IV 9, the valve VI 13, the valve VII 12 and the valve III 11 are opened, the ballast pump 7, the processing device 3 and the valve VIII 8 are opened, and the rest valves are kept in a closed state, so that the seawater in the seawater tank 1 enters the ballast tank 2, the hull of the unloaded ship is enabled to draft, and the unloaded ship cannot turn over;
(2) when the ship needs to be ballasted and does not pass through the treatment device, closing the first valve 6, the fourth valve 9, the sixth valve 13, the seventh valve 12 and the third valve 11, and opening the ballast pump 7, the eighth valve 8, the fifth valve 18 and the ninth valve 19 to discharge the ballast water in the ballast tank out of the ship; when the ship needs to be ballasted and passes through the treatment device, the first valve 6, the fifth valve 18 and the seventh valve 12 are closed, the second valve 17, the fourth valve 9, the sixth valve 13 and the ninth valve 19 are opened, and the ballast pump 7, the eighth valve 8 and the treatment device 3 are opened, so that the ballast water in the ballast tank is discharged out of the ship.
The working principle of the invention is as follows:
the invention provides a ship ballast water treatment system and a treatment method based on a barge or a wharf, wherein a ballast water treatment device is not arranged on a ship, and the treatment of the ballast water on the ship utilizes the treatment device arranged on the wharf or the barge; the ballast water pipeline system on the ship is connected with a processing device on the wharf or the barge through a hose; the treatment device on the wharf or barge is provided with one or more treatment devices adopting different treatment methods, can adapt to different ballast water treatment speeds of different ship types, and can also adopt different treatment methods during water injection and drainage of ships according to the characteristics of ballast water.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (6)
1. A ship ballast water treatment system based on a barge or a wharf comprises a seawater tank (1) and a ballast tank (2) which are arranged on a ship, and is characterized in that:
a pressurizing loading pipeline and a pressure discharging loading pipeline are arranged between the seawater tank (1) and the ballast tank (2); at least one set of processing device (3) is arranged in the pressurizing loading pipeline, and the processing device (3) is connected into the pressurizing loading pipeline through a first hose (4) and a second hose (5); the processing device (3) is fixed on a wharf or a barge.
2. A barge or quay based ship ballast water treatment system according to claim 1, wherein: the pressurizing loading pipeline comprises a first valve (6) connected to the water outlet end of the sea water tank (1) through a pipeline, the other end of the first valve (6) is connected with a ballast pump (7) through a pipeline, the water outlet end of the ballast pump (7) is connected with a second valve (8) through a pipeline, the water outlet end of the second valve (8) is connected with a second valve (9) through a pipeline, and a first blind flange (10) is fixed at the water outlet end of the second valve (9); an opening of the ballast tank (2) is connected with a valve III (11) through a pipeline, the other end of the valve III (11) is connected with a valve VII (12) through a pipeline, a water inlet end of the valve VII (12) is connected with a valve VI (13) through a pipeline, and a second blind flange (14) is fixed at the water inlet end of the valve VI (13); the water inlet end and the water outlet end of the treatment device (3) are respectively fixed with a third blind flange (15) and a fourth blind flange (16), the first blind flange (10) is connected with the third blind flange through a first hose (4), and the second blind flange (14) is connected with the fourth blind flange (16) through a second hose (5).
3. A barge or quay based ship ballast water treatment system according to claim 2, wherein: the pressure relief loading pipeline comprises a ballast pump (7), a valve eight (8), a valve three (11) and a ballast tank (2) which are positioned in the pressure relief loading pipeline, the water inlet end of the ballast pump (7) is also connected with a valve two (17) through a pipeline, and the water inlet end of the valve two (17) is connected with the water inlet end of the valve three (11) through a pipeline; the water outlet end of the valve eight (8) is connected with a valve five (18) through a pipeline, the water outlet end of the valve five (18) is connected with a valve nine (19) through a pipeline, and the water outlet end of the valve nine (19) extends to the outboard of the ship; and a pipeline between the valve five (18) and the valve nine (19) is communicated with a pipeline between the valve six (13) and the valve seven (12).
4. A barge or quay based ship ballast water treatment system according to claim 3, wherein: the valve eight (8) is a check valve, and the valve I (6), the valve II (17), the valve III (11), the valve IV (9), the valve V (18), the valve VI (13), the valve VII (12) and the valve IX (19) are stop valves.
5. A barge or quay based ship ballast water treatment system according to claim 1, wherein: the treatment device (3) is used for filtering impurities and marine organisms in the seawater.
6. A ballast water treatment method using the barge-or quay-based ship ballast water treatment system according to claim 1, characterized by comprising the steps of:
(1) when the ship needs to be ballasted, the processing device on the wharf or barge is respectively connected with the valve four (9) and the valve six (13) through the first hose (4) and the second hose (5), then the valve one (6), the valve four (9), the valve six (13), the valve seven (12) and the valve three (11) are opened, then the ballast pump (7), the processing device (3) and the valve eight (8) are opened, and the rest valves are kept in a closed state, so that ballast water in the seawater tank (1) enters the ballast tank (2), the hull of the unloaded ship is enabled to draft, and the unloaded ship cannot turn over;
(2) when the ship needs to be ballasted and does not pass through the treatment device, closing the first valve (6), the fourth valve (9), the sixth valve (13), the seventh valve (12) and the third valve (11), and opening the ballast pump (7), the eighth valve (8), the fifth valve (18) and the ninth valve (19) to discharge ballast water in the ballast tank out of the ship; when the ship needs to be ballasted and passes through the treatment device, the first valve (6), the fifth valve (18) and the seventh valve (12) are closed, the second valve (17), the fourth valve (9), the sixth valve (13) and the ninth valve (19) are opened, and the ballast pump (7), the eighth valve (8) and the treatment device (3) are opened, so that ballast water in the ballast tank is discharged out of the ship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045862.5A CN110775217B (en) | 2019-10-30 | 2019-10-30 | Ship ballast water treatment system and treatment method based on barge or wharf |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911045862.5A CN110775217B (en) | 2019-10-30 | 2019-10-30 | Ship ballast water treatment system and treatment method based on barge or wharf |
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| CN110775217A true CN110775217A (en) | 2020-02-11 |
| CN110775217B CN110775217B (en) | 2022-05-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230867A (en) * | 2022-08-24 | 2022-10-25 | 中国船舶科学研究中心 | Dual-mode small waterplane ship convenient for realizing operation mode switching |
| CN117963068A (en) * | 2024-02-19 | 2024-05-03 | 江苏润扬船业有限公司 | Ballast system for deck transport ship |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005324120A (en) * | 2004-05-14 | 2005-11-24 | Jfe Engineering Kk | Ballast water treatment method and apparatus, and float structure having ballast water treatment function |
| KR20100107218A (en) * | 2009-03-25 | 2010-10-05 | 대우조선해양 주식회사 | Balasting system and floating marine structure having the system |
| JP2012179983A (en) * | 2011-02-28 | 2012-09-20 | Mitsubishi Heavy Ind Ltd | Ballast water treatment system, vessel and floating body type structure |
| CN205131567U (en) * | 2015-11-12 | 2016-04-06 | 上海船舶研究设计院 | Pipeline arrangement structure of ballast for cruising system |
| CN109895962A (en) * | 2019-04-02 | 2019-06-18 | 上海外高桥造船有限公司 | A kind of ballast water reception processing barge |
| CN110015381A (en) * | 2019-04-24 | 2019-07-16 | 上海外高桥造船有限公司 | Ballast water treatment barge and ballast water processing |
-
2019
- 2019-10-30 CN CN201911045862.5A patent/CN110775217B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005324120A (en) * | 2004-05-14 | 2005-11-24 | Jfe Engineering Kk | Ballast water treatment method and apparatus, and float structure having ballast water treatment function |
| KR20100107218A (en) * | 2009-03-25 | 2010-10-05 | 대우조선해양 주식회사 | Balasting system and floating marine structure having the system |
| JP2012179983A (en) * | 2011-02-28 | 2012-09-20 | Mitsubishi Heavy Ind Ltd | Ballast water treatment system, vessel and floating body type structure |
| CN205131567U (en) * | 2015-11-12 | 2016-04-06 | 上海船舶研究设计院 | Pipeline arrangement structure of ballast for cruising system |
| CN109895962A (en) * | 2019-04-02 | 2019-06-18 | 上海外高桥造船有限公司 | A kind of ballast water reception processing barge |
| CN110015381A (en) * | 2019-04-24 | 2019-07-16 | 上海外高桥造船有限公司 | Ballast water treatment barge and ballast water processing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230867A (en) * | 2022-08-24 | 2022-10-25 | 中国船舶科学研究中心 | Dual-mode small waterplane ship convenient for realizing operation mode switching |
| CN117963068A (en) * | 2024-02-19 | 2024-05-03 | 江苏润扬船业有限公司 | Ballast system for deck transport ship |
| CN117963068B (en) * | 2024-02-19 | 2024-07-02 | 江苏润扬船业有限公司 | Ballast system for deck transport ship |
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| CN110775217B (en) | 2022-05-27 |
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