KR101776045B1 - A gas vent system for the ballast water treatment system and a apparatus comprising them - Google Patents
A gas vent system for the ballast water treatment system and a apparatus comprising them Download PDFInfo
- Publication number
- KR101776045B1 KR101776045B1 KR1020150157562A KR20150157562A KR101776045B1 KR 101776045 B1 KR101776045 B1 KR 101776045B1 KR 1020150157562 A KR1020150157562 A KR 1020150157562A KR 20150157562 A KR20150157562 A KR 20150157562A KR 101776045 B1 KR101776045 B1 KR 101776045B1
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- South Korea
- Prior art keywords
- gas
- electrolytic
- discharge
- fluid
- ballast water
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J4/00—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for
- B63J4/002—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for for treating ballast water
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/008—Originating from marine vessels, ships and boats, e.g. bilge water or ballast water
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Toxicology (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to an electrolytic cell comprising a gas discharging unit configured to discharge inflowing gas to the outside of a ship, a plurality of electrolytic cells and a gas discharging unit so as to allow gas generated in a plurality of electrolytic cells, To a gas discharge system for a ballast water treatment apparatus comprising a plurality of gas passages connected to the ballast water treatment apparatus and a ballast water treatment apparatus including the same.
The gas discharge system for a ballast water treatment apparatus according to the present invention and the ballast water treatment apparatus including the discharge gas discharge apparatus for the ballast water treatment apparatus according to the present invention are each provided with a discharge passage for discharging gas to the rear of each electrolytic cell, There is an effect that the efficiency can be increased.
Description
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas discharge system for a ballast water treatment apparatus and a ballast water treatment apparatus including the same, and more particularly to a gas discharge system for efficiently discharging gas generated during ballast water treatment of a ship and a ballast water treatment apparatus .
In general, ships use ballast tanks for the stability and efficiency of propulsion when they are not loaded with cargo. In order to reduce the center of gravity of the ship due to loading and unloading of cargo, To control the flow of ballast water.
Recently, ballast water has been used as a medium for propagating organisms or pathogens in a specific sea area to other seas, and it has become necessary to sterilize ballast water.
Methods of cleaning and sterilizing ballast water have been developed in a variety of ways. Among these methods, sodium hypochlorite is produced by electrolysis of seawater, and the ballast water is treated by using the sodium hypochlorite. As a method for directly electrolyzing the incoming ballast water, Electrolytic methods and indirect electrolysis methods for electrolyzing a part of ballast water have been utilized.
However, when such an electrolysis method is used, gas is generated as a by-product generated by the electrolysis of seawater, and since such gas can not be discharged quickly, the contact area between the electrode and the ballast water is reduced, There was a problem.
An object of the present invention is to provide a gas discharge system for a ballast water treatment apparatus and a ballast water treatment apparatus including the same, which solves the problem that electrolysis efficiency is reduced due to insufficient gas discharge in a conventional ballast water treatment apparatus.
As a means for solving the above-mentioned problems, there is provided a gas discharge apparatus comprising a gas discharge unit configured to discharge an introduced gas to the outside of a ship, a plurality of electrolytic cells and a gas A gas discharge system for a ballast water treatment apparatus comprising a plurality of gas passages each connecting the discharge portion can be provided.
In this case, the plurality of gas passages may be connected to the upper side of the plurality of electrolytic cells, and the inner diameter of the gas passageway connected to the electrolytic cell located on the rear side of the fluid flow path is connected to the electrolytic cell located in front of the fluid flow path. As shown in FIG.
And at least one of the plurality of gas passages may be connected to the second half of the fluid flow path in each electrolytic cell.
Further, at least one of the plurality of gas passages may be configured to include a fluid movement path extending a predetermined distance upward from a portion connected to each electrolytic bath.
On the other hand, the gas discharging portion includes a gas-liquid separator configured to separate the introduced gas and liquid and discharge them through different paths, and a discharge pipe connected to the gas-liquid separator and forming a moving path through which the separated gas is discharged to the outside of the vessel .
In addition, a ballast pump configured to receive fluid outside the vessel, a ballast tank in fluid communication with the ballast pump and configured to receive the withdrawn fluid, a plurality of electrolyzers configured to produce a sterilizing agent from the brine and supply it to the ballast tank A gas discharge unit configured to discharge gas produced by electrolysis in a plurality of electrolytic cells to the outside of the vessel, and a gas passage connecting the plurality of electrolytic baths and the gas discharge unit, respectively.
Wherein the main piping further comprises a main piping branching from the main piping and forming a path in fluid communication between the ballast pump and the ballast tanks, wherein the plurality of electrolytic tanks are provided on the side stream piping, And the gas passage may be connected to the upper portion of the second half of the fluid flow path of the electrolyzer, respectively.
And the plurality of gas passages may be configured such that the inner diameter of the gas passage connected to the electrolytic cell located behind the fluid flow path is larger than the inner diameter of the gas passage connected to the electrolytic cell located forward of the fluid flow path.
The electrolytic cell includes a shape in which the cross-sectional area in the transverse direction decreases toward the upper side so that the gas can be collected upward in the electrolytic cell. The gas passage is connected to the upper end of the electrolytic cell to discharge the gas collected in the electrolytic bath, And a fluid movement path extending upward by a predetermined distance after being connected.
The gas discharge system for a ballast water treatment apparatus according to the present invention and the ballast water treatment apparatus including the discharge gas discharge apparatus for the ballast water treatment apparatus according to the present invention are each provided with a discharge passage for discharging gas to the rear of each electrolytic cell, There is an effect that the efficiency can be increased.
1 is a conceptual diagram of ballast water treatment apparatus.
Fig. 2 is a conceptual diagram of the ballast water treatment apparatus during de-ballasting.
3 is a view showing an electrolytic bath and a gas discharge system.
Fig. 4 is a view showing the flow of the fluid in the plurality of electrolytic baths of Fig. 3; Fig.
5 is a cross-sectional view of Fig.
Hereinafter, a gas discharge system for a ballast water treatment apparatus and a ballast water treatment apparatus including the same according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the embodiments, the names of the respective components may be referred to as other names in the art. However, if there is a functional similarity and an equivalence thereof, the modified structure can be regarded as an equivalent structure. In addition, reference numerals added to respective components are described for convenience of explanation. However, the contents of the drawings in the drawings in which these symbols are described do not limit the respective components to the ranges within the drawings. Likewise, even if the embodiment in which the structure on the drawing is partially modified is employed, it can be regarded as an equivalent structure if there is functional similarity and uniformity. Further, in view of the level of ordinary skill in the art, if it is recognized as a component to be included, a description thereof will be omitted.
FIG. 1 is a conceptual view of ballast water treatment apparatus, and FIG. 2 is a conceptual diagram of de-ballasting of the ballast water treatment apparatus.
As shown, the ballast water treatment apparatus includes a
Hereinafter, the operation of the ballasting component will be described with reference to FIG.
The
The
The
Meanwhile, since the ballast pump 10, the
The
The
The gas (g)
The
Hereinafter, the operation of the components at the time of de-ballasting will be described with reference to FIG.
D-ballasting refers to the process of discharging the ballast water contained in the
On the other hand, in the case of D-Ballasting, it may happen that the ballast water needs to be discharged at a certain concentration or less according to the standard applied in the area where the ballast water is discharged.
Since the sodium hypochlorite is toxic as a disinfectant, the
The
FIG. 3 is a view showing the
As shown, the gas exhaust system according to the present invention includes a
The gas passage (110) is configured to discharge the gas (g) generated in the electrolytic bath (40). The gas passageway (110) is constituted by a channel through which the fluid flows. Further, since a trace amount of salt water can also flow together with the gas (g) in the inside, it can be composed of a corrosion-resistant material.
One end of the
Specifically, one end of the
Thereafter, the gas passageway (110) extends to the other end side, and the passages extending from the respective electrolytic baths (40) are combined to form a single flow path. The end of the
The
One end of the
The blower (not shown) is configured such that the gas g separated from the gas-
A gas sensor (not shown) is configured to measure the concentration of hydrogen on the path after the
The gas-
The other end of the
At this time, the
The efficiency of the
Referring to FIG. 4, the fluid flow of two
The
The gas passages (110) are connected to the second half of the fluid path in each electrolytic bath (40). 4, the salt water introduced into the first
The
A part of the gas g generated after the electrolysis in the first
However, the case where the number of the
5 is a cross-sectional view taken along line A-A of Fig. As shown in the drawing, the
The
While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, . It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.
10: Ballast pump 20: Pretreatment unit
30: main piping 31: side stream piping
32: Spillway 40: Electrolyzer
41: Electrode 50: Ballast tank
60: Sensor 70: Neutralization system
100: Gas discharge system
110: Gas cylinder
120: gas-liquid separator
130: discharge pipe
140: gas separation chamber
g: gas
Claims (11)
And a plurality of gas passages connecting the one end of the rear half of the plurality of electrolytic cells and the gas discharging unit to each other so that a fluid containing gas generated in a plurality of electrolytic cells that electrolyze the salt water to generate a sterilizing agent can move to the gas discharging unit In addition,
Wherein the gas passage is connected to the gas discharge portion by a path independent of an outflow route from which the brine is discharged from the electrolytic bath.
And the plurality of gas passages are connected to the upper side of the plurality of electrolytic cells, respectively.
The plurality of electrolytic cells include two electrolytic cells connected to each other in series,
Wherein the plurality of gas passages are formed such that an inner diameter of a gas passage connected to the electrolytic cell located behind the fluid flow path of the two electrolytic cells is larger than an inner diameter of a gas passage connected to an electrolytic cell located in front of the fluid flow path, A gas discharge system for a ballast water treatment system.
Wherein at least one of the plurality of gas passages includes a fluid movement path extended upward from a portion connected to each electrolytic cell by a predetermined distance.
The gas outlet
A gas-liquid separator configured to separate a gas and a liquid from the introduced fluid and discharge them through different paths; And
And a discharge pipe connected to the gas-liquid separator, the discharge pipe forming a movement path through which the separated gas is discharged to the outside of the vessel.
The gas outlet
An outflow channel through which the brine flows out from the electrolytic bath, and a fluid connected to the gas channel,
Separating the gas and the liquid from the introduced fluid,
Wherein the separated gas and the separated liquid are discharged through different paths.
A ballast tank in fluid communication with the ballast pump and configured to receive the withdrawn fluid;
A plurality of electrolytic baths configured to electrolyze salt water to produce a sterilizing agent;
A gas discharge unit configured to discharge gas generated by electrolysis in the plurality of electrolytic cells to the outside of the vessel;
An outflow passage configured to allow the brine discharged from the electrolytic bath to move; And
And a gas passage connecting the one end of the second half of the plurality of electrolytic cells to the gas discharge portion, wherein the gas passage is formed of a path independent of the outflow route.
A main pipe forming a path in fluid communication between the ballast pump and the ballast tank;
Further comprising a side stream piping branched from the main piping,
Wherein the plurality of electrolytic baths are connected on the side stream piping,
And the gas passage is connected to the upper portion of the second half of the fluid flow path of the electrolytic cell.
The plurality of electrolytic cells include two electrolytic cells connected to each other in series,
Wherein the plurality of gas passages
Wherein an inner diameter of a gas passage connected to an electrolytic cell located behind a fluid flow path of the two electrolytic cells is larger than an inner diameter of a gas passage connected to an electrolytic cell located forward of the fluid flow path.
The electrolytic bath comprises:
And a shape in which the cross-sectional area in the transverse direction decreases as the gas is collected in the electrolytic bath to the upper side,
In the gas passage,
Wherein the electrolytic cell is connected to an upper end of the electrolytic cell to discharge the gas collected in the electrolytic cell,
And a fluid movement path extending upward by a predetermined distance after being connected to the electrolytic cell.
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KR1020150157562A KR101776045B1 (en) | 2015-11-10 | 2015-11-10 | A gas vent system for the ballast water treatment system and a apparatus comprising them |
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KR1020150157562A KR101776045B1 (en) | 2015-11-10 | 2015-11-10 | A gas vent system for the ballast water treatment system and a apparatus comprising them |
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KR101776045B1 true KR101776045B1 (en) | 2017-09-07 |
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Citations (1)
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KR101287570B1 (en) * | 2013-05-27 | 2013-07-19 | 한라아이엠에스 주식회사 | Electrolytic cell apparatus for ship ballast water treatment |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR101287570B1 (en) * | 2013-05-27 | 2013-07-19 | 한라아이엠에스 주식회사 | Electrolytic cell apparatus for ship ballast water treatment |
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