KR102230803B1 - Ballast water treatment apparatus - Google Patents

Abstract

Disclosed is a ballast water treatment apparatus. The ballast water treatment apparatus according to an embodiment of the present invention includes a first inlet pipe and a second inlet pipe through which ballast water flows from outside a ship, a first pump pumping the ballast water from the first inlet pipe, and the second inlet. A second pump for pumping the ballast water of the pipe, a first ballast water storage tank unit and a second ballast water storage tank unit in which the introduced ballast water is stored, and the first inlet pipe and the first ballast storage tank unit are connected, A first transfer pipe connecting the first ballast storage tank unit and the second ballast storage tank unit, the second inlet pipe and the second ballast storage tank unit are connected, and the second ballast storage tank unit and the first ballast storage unit A sterilizing material supply unit and ballast connected to the second transfer pipe connecting the tank unit, the first transfer pipe and the second transfer pipe to supply the sterilizing material to the first ballast water storage tank unit and the second ballast water storage tank unit It may include a control unit that controls the movement of the water.

Description

Ballast water treatment apparatus TECHNICAL FIELD

The present invention relates to a ballast water treatment apparatus.

Ballast water is used in marine vessels to control weight distribution. The balance of the ship can be stably maintained during the course of the ship being operated by the ballast water.

It is common for ballast water to be filled in one port, transported to another, and discharged from there to a new port. In this process, as marine heterotrophs and bacterial pathogens from other regions are introduced into the region, the ecosystem may change rapidly, or harmful bacterial pathogens may be introduced, resulting in disease. In order to prevent this, a ballast water treatment device is disposed on the ship.

In the conventional ballast water treatment apparatus, ballast water is treated only during ballasting in which the ballast water is stored in a ballast water storage tank. Therefore, there may be a problem in that a large-scale device must be provided to treat large-capacity ballast water in a short time.

In addition, in the conventional ballast water treatment device, since the sterilizing substance is injected into the ballast water only once during ballasting, when the concentration of the sterilizing substance is lowered by the surrounding environment, heterotrophs and bacterial pathogens contained in the ballast water The viability condition of is created, so that the problem of regenerating heterotrophic organisms and bacterial pathogens may arise.

An embodiment of the present invention is to provide a ballast water treatment apparatus capable of preventing regeneration of heterotrophs and bacterial pathogens while reducing the overall size.

The ballast water treatment apparatus according to an aspect of the present invention includes a first inlet pipe and a second inlet pipe through which ballast water flows from outside a ship, a first pump pumping the ballast water from the first inlet pipe, and the second inlet pipe. A second pump for pumping the ballast water of, the first ballast water storage tank unit and the second ballast water storage tank unit in which the introduced ballast water is stored, the first inlet pipe and the first ballast storage tank unit are connected, and the A first transfer pipe connecting the first ballast storage tank unit and the second ballast storage tank unit, the second inlet pipe and the second ballast storage tank unit are connected, and the second ballast storage tank unit and the first ballast storage tank A sterilizing material supply unit and ballast water connected to the second transfer pipe connecting the unit, the first transfer pipe and the second transfer pipe to supply the sterilizing material to the first ballast water storage tank unit and the second ballast water storage tank unit It may include a control unit that controls the movement of.

At this time, the control unit does not inject the sterilizing material into the ballast water when the ship is not in operation, and when the ship is in operation, the control unit discharges the ballast water from the first ballast storage tank and injects the sterilizing material to store the second ballast water. Can be controlled to store in the tank.

In the ballast water treatment apparatus according to an embodiment of the present invention, the ballast water is not treated during ballasting, and the ballast water is circulated only during operation of a ship that takes a relatively long time.

Accordingly, even if a large amount of ballast water is treated, it is not necessary to have a large-scale device, and the ballast water can be treated with only a small device. That is, since the ballast water treatment apparatus can be downsized, space utilization inside the ship can be facilitated.

In addition, the ballast water treatment apparatus according to an embodiment of the present invention measures the concentration of the sterilizing substance of the ballast water in the ballast water storage tank in real time, and according to the operating time of the ship and the concentration of the sterilizing substance in the ballast water storage tank Ballast water is sterilized at any time during operation. Therefore, by controlling the concentration of the bactericidal substance, it is possible to maintain a constant concentration, thereby preventing the regeneration of heterotrophs and bacterial pathogens.

In addition, in the ballast water treatment apparatus according to an embodiment of the present invention, there is no need to provide a space for temporarily storing ballast water, and even if ballast water is stored in the ballast water storage tank, any one of several ballast water storage tanks You can store the ballast water by selecting the ballast water storage tank of.

In addition, even if the ballast water storage tanks and the first transfer pipe and the second transfer pipe are connected with only one pipe, the overall structure can be made simple by allowing the ballast water to enter and exit through one pipe. Therefore, it is possible to reduce the manufacturing cost of the ballast water treatment device.

1 is a block diagram showing a ballast water treatment apparatus according to an embodiment of the present invention.
FIG. 2 is a diagram illustrating a process of storing ballast water in a ballast water storage tank in the ballast water treatment apparatus according to an embodiment of the present invention shown in FIG. 1.
3 is a view showing a process of circulating ballast water from a ballast water storage tank to another ballast water storage tank in the ballast water treatment apparatus according to an embodiment of the present invention shown in FIG. 1.
FIG. 4 is a diagram illustrating a process of discharging ballast water from a ballast water storage tank in the ballast water treatment apparatus according to an embodiment of the present invention shown in FIG. 1.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art may easily implement the present invention. The present invention may be implemented in various different forms and is not limited to the embodiments described herein.

In order to clearly describe the present invention, parts irrelevant to the description have been omitted, and the same reference numerals are attached to the same or similar components throughout the specification.

Throughout the specification, when a part is said to be "connected" with another part, this includes not only the case of being "directly connected" but also being "indirectly connected" with another member therebetween. In addition, when a part "includes" a certain component, it means that other components may be further included rather than excluding other components unless specifically stated to the contrary.

1 is a block diagram showing a ballast water treatment apparatus according to an embodiment of the present invention.

Referring to FIG. 1, the ballast water treatment apparatus 100 according to an embodiment of the present invention includes a first inlet pipe 111, a second inlet pipe 112, a first pump 121, and a second pump 122. ), a first ballast water storage tank unit 151, a second ballast water storage tank unit 152, a first transfer pipe 161, a second transfer pipe 162, a sterilizing material supply unit 170, and a control unit ( (Not shown) may be included.

The first inlet pipe 111 and the second inlet pipe 112 are supplied with ballast water from the outside of the ship.

Sea chests 101 and 102 may be formed at one end of the first inlet pipe 111 and the second inlet pipe 112, respectively. The sea chest (101, 102) filters fish and shellfish or other foreign substances contained in seawater.

Portions of the first inlet pipe 111 and the second inlet pipe 112 adjacent to the sea chests 101 and 102 may be connected to each other. With this structure, the ballast water of the first inlet pipe 111 may be moved to the second inlet pipe 112, and the ballast water of the second inlet pipe 112 may be moved to the first inlet pipe 111.

The first pump 121 is formed in the first inlet pipe 111 to pump ballast water. The second pump 122 is formed in the and second inlet pipe 112 to pump ballast water.

The first pump 121 and the second pump 122 pump seawater outside the hull and store it in the ballast water storage tank T. In addition, the first pump 121 and the second pump 122 pump the ballast water stored in the ballast water storage tank T and discharge it to the outside of the hull. The first pump 121 and the second pump 122 pump the ballast water to be transferred between the ballast water storage tanks T. The process of transferring the ballast water by pumping the first pump 121 and the second pump 122 will be described later.

The first ballast water storage tank unit 151 and the second ballast water storage tank unit 152 include a plurality of ballast water storage tanks T in which filtered ballast water is stored.

When the case where the first ballast water storage tank unit 151 and the second ballast water storage tank unit 152 are installed on a ship is described as an example, the ballast water constituting the first ballast water storage tank unit 151 The storage tanks T may be located in the left area of the ship's interior space. In addition, the ballast water storage tanks T constituting the second ballast water storage tank unit 152 may be located in a right area of the inner space of the ship. Each of the ballast water storage tanks T may be disposed parallel to each other.

The first transfer pipe 161 and the second transfer pipe 162 are connected to each of the first inlet pipe 111 and the second inlet pipe 112, and the first ballast water storage tank unit 151 and the second ballast It is connected to the water storage tank unit 152, respectively. The first transfer pipe 161 and the second transfer pipe 162 allow the ballast water to be transferred to the ballast water storage tank T, and also transfer the ballast water stored in the ballast water storage tank T to another location. do.

Meanwhile, the discharge pipe 190 may be connected to the first transport pipe 161 and the second transport pipe 162. The discharge pipe 190 allows the ballast water transferred along the first transfer pipe 161 and the second transfer pipe 162 to be discharged to the outside of the hull. To this end, a discharge port 191 may be formed at an end of the discharge pipe 190.

Meanwhile, a third sterilizing substance concentration measuring unit S3 and a neutralizing unit (not shown) may be formed in the discharge pipe 190. The neutralization unit neutralizes the sterilizing material of the ballast water discharged along the discharge pipe 190. In addition, the third sterilizing substance concentration measuring unit S3 measures the concentration of the sterilizing substance discharged along the discharge pipe 190. Here, it is not limited to neutralizing the ballast water by arranging a neutralizing part in the discharge pipe 190, and any one may be used as long as it can neutralize the ballast water.

The sterilizing material supply unit 170 is connected to the first transfer pipe 161 and the second transfer pipe 162 to transfer the sterilizing material to the first ballast water storage tank unit 151 and the second ballast water storage tank unit 152. To supply. For example, the sterilizing material supply unit 170 may be included in a general ballast water treatment apparatus to generate a sterilizing material from the introduced seawater, and then again inject it into a pipe through which the ballast water is transferred. Alternatively, as another example, the sterilizing material supply unit 170 may be configured to store a high-concentration sterilization material and discharge a certain amount only when necessary.

Meanwhile, when the structure of the ballast water treatment apparatus 100 according to an embodiment of the present invention is described in more detail, the ballast water treatment apparatus 100 according to an embodiment of the present invention includes a first filter 131 and a first filter. A second filter 132, a first bypass pipe 141, a second bypass pipe 142, a first circulation pipe 181, and a second circulation pipe 182 may be included.

The first filter 131 and the second filter 132 are formed in each of the first inlet pipe 111 and the second inlet pipe 112 to filter the introduced ballast water.

The first bypass pipe 141 and the second bypass pipe 142 are formed in each of the first inlet pipe 111 and the second inlet pipe 112 so that the ballast water is formed in the first filter 131 and the second filter. 132) to move around.

When the ballast water stored in the ballast water storage tank T is discharged or transferred to another ballast water storage tank T, the first filter 131 and the second filter 132 are in a state where the ballast water has already been filtered. Without passing through, it may be transported along the first bypass pipe 141 and the second bypass pipe 142. Control of the flow of ballast water for this may be achieved by a plurality of valves not shown. In addition, since these valves can be controlled by a controller to be described later, a detailed description thereof will be described later.

One end of the first circulation pipe 181 is connected to the first inlet pipe 111 and the other end is connected to the first transfer pipe 161. Ballast water discharged from the ballast water storage tank T by the first circulation pipe 181 and transferred along the first transfer pipe 161 does not pass through the first filter 131 and the first pump 121, It can be moved directly to the second inlet pipe. In addition, the first circulation pipe 181 is discharged from the ballast water storage tank T to be pumped by the first pump 121 and discharged to the outside of the ship. It can be possible.

One end of the second circulation pipe 182 is connected to the second inlet pipe 112 and the other end is connected to the second transfer pipe 162. Ballast water discharged from the ballast water storage tank T by the second circulation pipe 182 and transferred along the second transfer pipe 162 does not pass through the second filter 132 and the second pump 122, It may be moved directly to the first inlet pipe 111. In addition, the second circulation pipe 182 is discharged from the ballast water storage tank T and is pumped by the second pump 122 to be discharged to the outside of the ship. It can be possible.

The control unit controls the movement of the ballast water. That is, the control unit is the first inlet pipe 111, the second inlet pipe 112, the first bypass pipe 141, the second bypass pipe 142, the first transport pipe 161 and the second transport pipe By controlling the operation of the valves not shown in 162, the first pump 121, the second pump 122, and the sterilizing material supply unit 170, the ballast water is stored in the ballast water storage tank (T). In addition, the ballast water from the ballast water storage tank (T) is discharged to the outside of the hull, and the ballast water can be moved between the ballast water storage tanks (T).

Hereinafter, the movement of the ballast water by such a control unit will be described in detail with reference to the drawings.

FIG. 2 is a diagram illustrating a process of storing ballast water in a ballast water storage tank T in the ballast water treatment apparatus 100 according to an embodiment of the present invention shown in FIG. 1.

As shown in FIG. 2, when the storage of ballast water is required in any one of the plurality of ballast water storage tanks, the ballast water is introduced from the first inlet pipe 111 and the first pump 121 ) And the first filter 131 to be stored in any one of the first ballast water storage tank unit 151 in the ballast water storage tank T.

The opposite may also be possible. For example, if the control unit needs to store the ballast water in any one of the ballast water storage tanks T constituting the second ballast water storage tank unit 152, the ballast water It is introduced from the second inlet pipe 112 and passed through the second pump 122 and the second filter 132 to be stored in the ballast water storage tank T of any one of the second ballast water storage tank unit 152. I can.

3 is a diagram illustrating a process of circulating ballast water from a ballast water storage tank to another ballast water storage tank in the ballast water treatment apparatus 100 according to an embodiment of the present invention shown in FIG. 1.

As shown in FIG. 4, the control unit stores any one of the second ballast water storage tank units 152 from any one of the first ballast water storage tank units 151. When it is necessary to move the ballast water to the tank T, the ballast water is pumped and moved along the first circulation pipe 181 to pass through the second pump 122 and the second bypass pipe 142.

The opposite may also be possible. For example, the control unit may include any one of the first ballast water storage tank T from one of the second ballast water storage tank units 152 to any one of the first ballast water storage tank unit 151 (T) When the furnace ballast water needs to be moved, the ballast water is pumped and moved along the second circulation pipe 182 to pass through the first pump 121 and the first bypass pipe 141.

FIG. 4 is a diagram illustrating a process of discharging ballast water from a ballast water storage tank in the ballast water treatment apparatus 100 according to an embodiment of the present invention shown in FIG. 1.

As shown in Figure 4, the control unit, when it is necessary to discharge the ballast water from any one of the ballast water storage tank (T) among the second ballast water storage tank unit 152, the second ballast water storage tank unit 152 ) By pumping the ballast water stored in any one of the ballast water storage tanks (T), the ballast water passes through the second circulation pipe 182, passes through the second pump 122 and the second bypass pipe 142, It can be discharged to the outside.

The opposite may also be possible. For example, although not shown, when it is necessary to discharge ballast water from any one of the first ballast water storage tank units 151, any one of the first ballast water storage tank units 151 The ballast water stored in one ballast water storage tank (T) is pumped and the ballast water passes through the first circulation pipe (181), passes through the first pump (121) and the first bypass pipe (141), and is discharged to the outside of the hull. Can be.

Meanwhile, the ballast water treatment apparatus 100 according to an embodiment of the present invention may include a first sterilizing substance concentration measuring unit S1.

The first sterilizing material concentration measuring unit S1 may be formed between the portion connected to the sterilizing material supply unit 170 in the transfer pipe and the first ballast water storage tank unit 151. In addition, the first sterilizing substance concentration measuring unit S1 may be formed between the portion connected to the sterilizing substance supply unit 170 in the transfer pipe and the second ballast water storage tank unit 152.

The first sterilizing substance concentration measuring unit S1 measures the concentration of the sterilizing substance in the ballast water supplied to the ballast water storage tank T. For this, the first sterilizing material concentration measuring unit S1 may be, for example, a TRO (Total Residual Oxidant) sensor.

For example, as described above, in the process of transferring the ballast water between the ballast water storage tanks T, a sterilizing substance is injected into the ballast water, and the first sterilizing substance concentration measuring unit S1 is Measure the concentration of the disinfectant.

Meanwhile, the ballast water treatment apparatus 100 according to an embodiment of the present invention may include a second sterilizing substance concentration measuring unit S2.

The second sterilizing substance concentration measuring unit S2 is installed inside the ballast water storage tank T and measures the concentration of the sterilizing substance in the ballast water stored in the ballast water storage tank T. The second sterilizing substance concentration measuring unit S2 may be configured to measure the concentration of the sterilizing substance in the ballast water in the ballast water storage tank T at every predetermined time.

Accordingly, when the concentration of the sterilizing substance measured by the second sterilizing substance concentration measuring unit S2 is less than the reference value, the sterilizing substance may be re-injected while recirculating the ballast water. That is, since the concentration of the sterilizing substance of the ballast water can be kept constant while the ship is running, it is possible to prevent the regeneration of heterotrophic organisms and bacterial pathogens contained in the ballast water.

Meanwhile, the ballast water treatment apparatus 100 according to an embodiment of the present invention may include a ballast water capacity measuring unit G. The ballast water capacity measuring unit (G) measures the amount of ballast water stored in the ballast water storage tank (T).

The amount of ballast water that has been ballasted and stored in the ballast water storage tank T may be measured by the ballast water capacity measuring unit G. The amount of sterilizing substance injected is proportional to the amount of ballast water. That is, as the amount of ballast water is measured, the amount of the sterilizing substance injected in the process of sterilizing by circulating ballast water can be accurately calculated.

On the other hand, in the ballast water treatment apparatus 100 according to an embodiment of the present invention, the control unit stores only the ballast water in the ballast storage tank without injecting a sterilizing substance into the ballast water when the ship is not in operation. However, when the ship is operated, the control unit discharges ballast water from one ballast storage tank, injects a sterilizing material, and stores it in another ballast water storage tank (T).

In the ballast water treatment system having the above structure, when the ship is not operated, sterilizing substances are not injected into the ballast water, and only the ballast water is stored in the ballast storage tank, and when the ship is operated, from any one of the ballast storage tanks. It may be configured to discharge the ballast water to inject a sterilizing substance and store it in another ballast water storage tank.

In the conventional ballast water treatment apparatus, ballast water is treated only during ballasting in which the ballast water is stored in a ballast water storage tank. Therefore, a large-scale device must be provided for the treatment of large-capacity ballast water in a short time.

However, the ballast water treatment apparatus 100 according to an embodiment of the present invention as described above does not treat the ballast water during ballasting, and treats while circulating the ballast water only during operation of a ship that takes a relatively long time. Done.

Accordingly, even if a large amount of ballast water is treated, it is not necessary to have a large-scale device, and the ballast water can be treated with only a small device. That is, since the ballast water treatment apparatus 100 can be downsized as a whole, it is possible to easily utilize the space inside the ship.

And, in the conventional ballast water treatment apparatus, since the sterilizing substance is injected into the ballast water only once at the time of ballasting, when the concentration of the sterilizing substance is lowered by the surrounding environment, heterotrophic organisms and bacterial pathogens contained in the ballast water are Viable conditions were created so that heterotrophic and bacterial pathogens could be regenerated.

However, the ballast water treatment apparatus 100 according to an embodiment of the present invention measures the concentration of the sterilizing substance of the ballast water inside the ballast water storage tank T in real time, so that the ship's operating time and the ballast water storage tank T Depending on the concentration of sterilizing substances in ), ballast water is sterilized at any time during ship operation. Therefore, by controlling the concentration of the bactericidal substance, it is possible to maintain a constant concentration, thereby preventing the regeneration of heterotrophs and bacterial pathogens.

In addition, in the conventional ballast water treatment apparatus, for temporary storage of ballast water treated during ballasting, one or more ballast water storage tanks must be emptied and stored while treating ballast water, and pipes for entering and exiting the ballast water are each The installed structure is common. Here, when one or more ballast water storage tanks must be emptied, a stability problem may occur in the operation of the ship.

However, in the ballast water treatment apparatus 100 according to an embodiment of the present invention, there is no need to provide a space for temporarily storing the ballast water, and even if the ballast water is stored in the ballast water storage tank, several ballast water storage tanks It is possible to store the ballast water by selecting any one of (T) ballast water storage tanks, and it may be possible to store the ballast water by dividing it.

In addition, even if the ballast water storage tanks and the first transfer pipe and the second transfer pipe are connected with only one pipe, the overall structure can be made simple by allowing the ballast water to enter and exit through one pipe. Therefore, it is possible to reduce the manufacturing cost of the ballast water treatment apparatus 100.

On the other hand, in the ballast water treatment apparatus according to an embodiment of the present invention, if the concentration of the sterilizing substance measured by measuring the concentration of the sterilizing substance in the ballast water stored in the ballast water storage tank is less than a reference value, the ballast water is different from the ballast water. The sterilizing material can be injected while moving to the water storage tank.

That is, if the concentration of the sterilizing substance measured by continuously measuring the concentration of the sterilizing substance in the ballast water stored in the ballast water storage tank while the ship is operating is less than the reference value, the ballast water can be treated one or more times.

Meanwhile, the reference value may be 0.1 ppm or more. When the concentration of the bactericidal substance in the ballast water is about 0.1 ppm or more, the concentration at which heterotrophs and bacterial pathogens in the ballast water can be killed. Alternatively, when the concentration of the bactericidal substance in the ballast water is less than about 0.1 ppm, regeneration of heterotrophs and bacterial pathogens may be possible. Therefore, a reference value of 0.1 ppm may be appropriate for preventing the regeneration of heterotrophs and bacterial pathogens.

Accordingly, in the ballast water treatment apparatus according to an embodiment of the present invention, the concentration of the sterilizing substance of the ballast water stored in the ballast water storage tank can be kept constant.

Although various embodiments of the present invention have been described above, the drawings and the detailed description of the disclosed invention referenced so far are merely illustrative of the present invention, which are used only for the purpose of describing the present invention, and are limited in meaning or claims. It is not used to limit the scope of the invention described in the range. Therefore, those of ordinary skill in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

100: ballast water treatment device 111: first inlet pipe
112: second inlet pipe 121: first pump
122: second pump 131: first filter
132: second filter 141: first bypass pipe
142: second bypass pipe 151: first ballast water storage tank unit
152: second ballast water storage tank unit 161: first transfer pipe
162: second transfer pipe 170: sterilizing substance generation unit
181: first circulation pipe 182: second circulation pipe
190: discharge pipe 191: discharge port
S1: first sterilization substance concentration measurement unit S2: second sterilization substance concentration measurement unit
S3: second sterilizing substance concentration measurement unit G: ballast water capacity measurement unit
T: ballast water storage tank

Claims (2)

A first inlet pipe and a second inlet pipe through which ballast water flows from outside the ship;
A first pump for pumping ballast water from the first inlet pipe and a second pump for pumping ballast water from the second inlet pipe;
A first ballast water storage tank unit and a second ballast water storage tank unit in which the introduced ballast water is stored;
A first transfer pipe connecting the first inlet pipe and the first ballast storage tank unit, and connecting the first ballast storage tank unit and the second ballast storage tank unit;
A second transfer pipe connecting the second inlet pipe and the second ballast storage tank unit, and connecting the second ballast storage tank unit and the first ballast storage tank unit;
A sterilizing material supply unit connected to the first transfer pipe and the second transfer pipe to supply a sterilizing material to the first ballast water storage tank unit and the second ballast water storage tank unit; And
Includes; a control unit for controlling the movement of the ballast water,
In the first inlet pipe and the second inlet pipe, a first filter and a second filter are respectively provided, and a first bypass pipe and a second bypass pipe bypassing the first filter and the second filter are respectively positioned, ,
A first circulation pipe having one end connected to the first inlet pipe and the other end connected to the first transfer pipe; And
A second circulation pipe having one end connected to the second inlet pipe and the other end connected to the second transfer pipe; characterized in that it is provided with a ballast water treatment apparatus. The method of claim 1,
The control unit,
When the ship is not in operation, the ballast water is not injected with sterilizing substances, and when the ship is operated, the ballast water is discharged from the first ballast storage tank to inject the sterilizing substances to be stored in the second ballast water storage tank Ballast water treatment device.

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