KR101236830B1 - Ballast water processing unit - Google Patents

Abstract

A ballast water treatment apparatus is disclosed. Ballast water treatment apparatus according to an embodiment of the present invention is a filter including a housing having a ballast water inlet and outlet, a plurality of filters installed inside the housing so that the ballast water flowed through the inlet is filtered out and flows out to the outlet And a washing water input unit for selectively introducing washing water for washing the plurality of filters into the plurality of filters through the plurality of washing water input openings formed at one side of the housing.

Description

Ballast water processing unit

The present invention relates to a ballast water treatment apparatus.

In cargo ships carrying crude oil and the like, ballast tanks are provided to maintain the stability of the hull during navigation. Generally, when crude oil or the like is not loaded, the ballast tank is filled with ballast water, and when the crude oil or the like is loaded, the ballast water is discharged to adjust the buoyancy of the hull to stabilize the hull.

As such, ballast water is water necessary for the safe navigation of the ship, and seawater is generally used for harbors for unloading. The amount is estimated to be over 10 billion tons per year worldwide.

However, the ballast water contains the eggs of microorganisms and small and large organisms that grow in the port where the water is taken, and the eggs of these microorganisms and small and large creatures are simultaneously transferred to the foreign countries as the ship moves.

Therefore, the species which did not originally live in the sea area replace the existing species, and the destruction of the ecosystem is getting serious.

Against this background, the duty of inspection of ballast water treatment equipment, etc. has been adopted by the Ministry of Foreign Affairs of the International Maritime Organization (IMO), and has been applied since 2009.

On the other hand, the research which employ | adopts a film | membrane process in order to process ballast water is progressing. In general, the membrane treatment technique is one of separation techniques using the material-selective permeation properties of the polymer material. In the case where the ballast water is treated using such a film, there is a possibility that the gel material is deposited on the surface when the membrane is operated for a long time because a lot of gel-like substances derived from living organisms exist in the ballast water (sea water).

In addition, since the ballast water (sea water) has a high ion concentration derived from the mineral component, when the ballast water is treated with a film, there is a fear that scale is formed on the surface during long-term operation.

If this scale is formed on the surface of the membrane, there is a risk of the blockage and breakage of the membrane, and furthermore, the scale can become a solid mass by attracting organic matter.

One embodiment of the present invention is to provide a ballast water treatment apparatus capable of filtering the ballast water and at the same time washing the filter.

In addition, an embodiment of the present invention is to provide a ballast water treatment apparatus for cleaning the foreign matter on the gel attached to the surface of the filter of the ballast water treatment apparatus, and can prevent the scale.

According to an aspect of the invention, the housing having a ballast water inlet and outlet; A filter unit including a plurality of filters installed inside the housing such that the ballersuit water introduced through the inlet is filtered and then flows out to the outlet; And a washing water inputting unit selectively introducing washing water for washing the plurality of filters into each of the plurality of filters through a plurality of washing water input openings formed at one side of the housing. Can be.

At this time, it may include a sludge discharge port located in the lower portion of the housing and a sludge discharge valve installed in the sludge discharge port.

On the other hand, the washing water input unit for pumping the washing water into the housing; And washing water dispensing means, wherein the washing water dispensing means is installed between the plurality of washing water input openings and the pump to selectively distribute the washing water to the plurality of washing water input openings.

On the other hand, the washing water distribution means is installed to be movable on the outside of the housing and the distribution conduit in which the washing water flows into one side and the washing water flows out to the other side; And a plurality of connection conduits, wherein the plurality of connection conduits are installed at the periphery of the distribution conduit such that one end thereof can communicate with the other side of the distribution conduit at a predetermined position according to the movement position of the distribution conduit, Each of the plurality of washing water input openings may be in communication.

On the other hand, the distribution conduit is formed in a T-shape, it may be rotatably formed on the outside of the housing.

At this time, a portion of the ballast water discharged through the outlet may further include electrolysis means for generating the washing water by electrolysis.

On the other hand, the pump of the washing water input unit may generate fine bubbles in the washing water.

At this time, the housing may further include a bio-proliferation inhibitor injection port in communication with the outlet port is injected into the filtered ballast water.

On the other hand, the first pressure measuring sensor installed on one side of the inlet for measuring the pressure of the ballast water flowing from the outside; And a second pressure measuring sensor installed at one side of the outlet and measuring the pressure of the filtered ballast water discharged to the outside.

At this time, when the pressure difference measured by the first pressure measuring sensor and the second pressure measuring sensor is greater than a predetermined pressure value, the washing water input unit may supply the washing water to the filter.

The ultrasonic generator may further include an ultrasonic generator, and the ultrasonic generator may be formed at one side of the housing and generate ultrasonic waves to generate fine vibration to remove foreign substances attached to the plurality of filters.

On the other hand, the housing is formed in a cylindrical shape, the inlet is formed in the upper, both ends of the first housing body open; Two filter supports respectively coupled to both ends of the first housing body and having openings to which the plurality of filters are coupled; And a second housing body having one side coupled to one side to which the first housing body and one filter support are coupled, and the other side communicating with the outlet.

Ballast water treatment apparatus according to an embodiment of the present invention is easy to wash the foreign matter on the gel deposited on the filter surface, it is possible to prevent the scale is formed on the filter surface.

In addition, the ballast water treatment apparatus according to an embodiment of the present invention can be efficiently operated by washing the filter even while filtering the ballast water.

1 is a schematic configuration diagram of a ballast water treatment apparatus according to a first embodiment of the present invention.
2 is an exploded perspective view of the ballast water treatment apparatus according to the first embodiment of the present invention.
3 is a schematic side view of a ballast water treatment apparatus according to a first embodiment of the present invention.
4 is a view showing a state in which the rotary motor, the connection conduit and the distribution conduit are coupled in the ballast water treatment apparatus according to the first embodiment of the present invention.
5 is a schematic perspective view of the washing water input unit in the ballast water treatment apparatus according to the first embodiment of the present invention.
6 is a view illustrating a process in which ballast water is filtered in a ballast water treatment apparatus according to a first embodiment of the present invention.
7 is a view showing a process of washing the filter in the ballast water treatment apparatus according to a first embodiment of the present invention.
8 is a view showing a state in which the distribution conduit is connected to the first and fourth connection conduits in the ballast water treatment apparatus according to the first embodiment of the present invention.
9 is a view showing a state in which the distribution conduit is connected to the second and fifth connection conduits in the ballast water treatment apparatus according to the first embodiment of the present invention.
10 is a view showing a state in which the distribution conduit is connected to the third and sixth connection conduits in the ballast water treatment apparatus according to the first embodiment of the present invention.
11 is a schematic configuration diagram of a ballast water treatment apparatus according to a second embodiment of the present invention.
12 is a schematic side view of a ballast water treatment apparatus according to a second embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and operation of the ballast water treatment apparatus 100 according to a first embodiment of the present invention.

1 is a schematic configuration diagram of a ballast water treatment apparatus according to a first embodiment of the present invention. 2 is an exploded perspective view of the ballast water treatment apparatus according to the first embodiment of the present invention. 3 is a schematic side view of a ballast water treatment apparatus according to a first embodiment of the present invention. 4 is a view showing a combined state of the rotary motor, the connection conduit and the distribution conduit in the ballast water treatment apparatus according to the first embodiment of the present invention. 5 is a schematic perspective view of the washing water input unit in the ballast water treatment apparatus according to the first embodiment of the present invention.

1 to 5, the ballast water treatment apparatus 100 according to the first embodiment of the present invention may include a housing 110, a filter unit 120, and a washing water input unit 130.

The housing 110 is a processing space for processing the ballast water is installed inside the filter unit to be described later, the first housing body (110a), the second housing body (110b) and the two filter support portion 117 is formed in combination .

1 and 2, the first housing body 110a has a cylindrical shape extending in the lateral direction. The inner part of the first housing body 110a is formed with a hollow part 116 in which the filter part 120 to be described later is located.

An inlet conduit 111 through which ballast water flows is connected to an upper portion of the first housing body 110a. The sludge discharge conduit 113 is formed in the lower portion of the first housing body 110a so that the sludge remaining after treatment in the housing is discharged.

At this time, the inclined surface is formed in each of the upper portion of the first housing body (110a) in which the inlet conduit 111, which the ballast water is introduced, and the lower portion of the first housing body (110a) in which the sludge discharge conduit 113 is formed. The flow of fluid passing through the inlet of the conduit 111 and the sludge outlet of the sludge discharge conduit 113 to be smooth.

Openings are formed at both sides of the first housing body 110a, respectively. Two filter supports 117 are respectively coupled to the openings.

The filter support part 117 has a disk-shaped plate shape corresponding to both openings of the first housing body 110a. The filter support part 117 is provided with a plurality of openings.

The plurality of openings are formed such that the plurality of filters 121 of the filter unit 120 to be described later are combined and supported. And, based on FIG. 2 of the two filter support 117, the opening of the left filter support 117 forms a wash water input opening 135 to allow the wash water to flow into the filter, the right filter The opening of the support 117 defines a discharge opening (not shown) through which the purified ballast water is discharged.

Meanwhile, referring to FIGS. 1 and 2, the second housing body 110b is coupled to the right side of the first housing body 110a to which the two filter supports are coupled. Referring to FIG. 2, the second housing body 110b has a funnel shape. The left opening of the second housing body 110b according to the embodiment of the present invention has a circular shape having a size corresponding to the opening of the first housing body 110a, and the right opening is larger than the opening of the first housing body 110a. It is made up of small sections. Here, the right opening of the second housing body 110b communicates with the outlet of the outlet conduit 112 through which the ballast water flows.

Meanwhile, the first housing body 110a, the two filter supports 117, and the second housing body 110b may be coupled by a coupling member such as a bolt. As such, the first housing body 110a, the two filter supports 117, and the second housing body 110b are coupled by a coupling member such as a bolt, thereby providing a ballast water treatment apparatus according to the first embodiment of the present invention. Internal filter replacement and maintenance can be made easily.

The filter part 120 is supported by the filter support part 117 inside the first housing body 110a described above. The filter unit 120 is a component for purifying the ballast water introduced into the housing.

According to the first embodiment of the present invention, the filter unit 120 includes a plurality of filters 121.

1 to 3, the plurality of filters 121 of the ballast water treatment apparatus 100 according to the first embodiment of the present invention is formed in a tubular shape extending in the transverse direction, both ends are formed to open do.

One end of each of the opened plurality of filters 121 communicates with the plurality of washing water inlet openings 135 of the washing water inlet 130, which will be described later, and the other end of each of the plurality of filters 121 is the second housing body 110b. Is connected to the inside is formed to communicate with the outlet of the outlet conduit (112). On the other hand, both end sides of each of the plurality of filters are coupled to and supported by the plurality of openings of the filter support 117.

In this case, according to the first embodiment of the present invention, the plurality of filters 121 may have a first housing based on a horizontal central axis of the cylindrical first housing body 110a as shown in FIGS. 1 to 3. A total of six filters may be disposed in the body 110a at intervals of 60 degrees from each other. At this time, as the number of the plurality of filters increases, the surface area of the filter capable of filtering the ballast number may increase.

On the other hand, the arrangement interval and shape of the plurality of filters according to the present invention is not limited thereto, and may be variously changed, the number of filters installed in the housing in consideration of the flow rate of the ballast water in the housing is appropriately selected Could be.

On the other hand, the filter 121 of the filter unit 120 of the ballast water treatment apparatus 100 according to the first embodiment of the present invention may be, for example, a hollow fiber membrane. At this time, the hollow fiber membrane for treating the ballast water may be made to have a filtration size of approximately 0.1 ~ 0.4㎛, but is not limited thereto. Accordingly, microorganisms larger in size than the filtration size of the hollow fiber membranes may not pass through the hollow fiber membranes and sink to the lower portion of the housing 110 by gravity, and may be discharged through the sludge discharge port of the sludge discharge conduit 113.

On the other hand, the outer side of the housing is provided with a washing water inlet 130 for injecting the washing water into the housing. The washing water input unit 130 selectively washes the washing water for washing the plurality of filters 121 through the plurality of washing water input openings 135 formed in the left filter support unit 117 coupled to the first housing body 110a. Can be introduced into each of the filters 121.

1, 4 and 5, the washing water input unit 130 of the ballast water treatment apparatus according to the first embodiment of the present invention may include a pump 138 and the washing water distribution means 131.

The pump 138 is located upstream of the conduit into which the wash water flows into the housing to introduce wash water into the filter installed inside the housing.

At this time, the pump 138 according to an embodiment of the present invention may be formed to generate fine bubbles in the wash water introduced into the housing in addition to the function of supplying the wash water. As such, the minute air bubbles formed by the pump 138 effectively remove particulate contaminants adhering to the surface of the filter 121 when introduced into the housing.

On the other hand, the washing water distribution means 131 is installed between the plurality of washing water inlet opening 135 and the pump 138 is a component for selectively dispensing the washing water to the plurality of washing water inlet opening (135). According to a first embodiment of the invention, the wash water distribution means 131 may comprise a distribution conduit 133, a plurality of connecting conduits 132 and a distribution conduit rotating support 137.

The distribution conduit rotating support 137 is a cylindrical structure located at the center of the outer surface of the left filter support of the housing. One side of the plurality of connecting conduits 132 is formed to communicate with the outer surface of the cylindrical distribution conduit rotation support 137, and the distribution conduit 133 is rotatably installed on the inner side of the distribution conduit rotation support 137. do.

The distribution conduit 133 rotatably installed inside the distribution conduit rotating support 137 is formed in a T-shape, and a pair of the washing conduits are formed at both ends of the distribution conduit through the inlet of the distribution conduit formed at the center of the distribution conduit. It is formed to allow the wash water to flow through the outlet of the distribution conduit of. At this time, according to the first embodiment of the present invention, the pair of outlets of the distribution conduit 133 are arranged at 180 degree intervals.

On the other hand, the pair of outlets of the distribution conduit 133 is formed to be in contact with the inner surface of the distribution conduit rotation support 137, so that the distribution conduit 133 rotates, so that the plurality of connection conduits 132 at a predetermined position. Fluid may be communicatively connected to some connecting conduits 132. In the distribution conduit 133 of the ballast water treatment apparatus 100 according to the first embodiment of the present invention, the distribution conduit 133 is formed in a T-shape, and thus, two connection conduits connected when washing water is supplied to one side. Washing water may be supplied to 132.

The plurality of connecting conduits 132 are installed at the periphery of the distribution conduit 133 so that one end thereof can communicate with the other side of the distribution conduit 133 at a predetermined position according to the movement position of the distribution conduit 133. Are in communication with the washing water input opening 135, respectively. Six connection conduits 132 of the ballast water treatment apparatus 100 according to the first embodiment of the present invention are formed and arranged at intervals of 60 degrees on the same radius about the T-shaped distribution conduit 133.

Meanwhile, according to the first embodiment of the present invention, a rotary motor 139 is installed at one side of the distribution conduit 133 to rotate the distribution conduit 133. The rotary motor 139 may be fixed to one side of the housing 110. Although not shown, a reduction gear may be installed between the rotary motor 139 and the distribution conduit 133 for rotating the distribution conduit 133, and the rotation direction and the rotation angle of the rotation motor 139 may be provided in a control unit not shown. Can be controlled.

On the other hand, the ballast water treatment apparatus 100 according to the first embodiment of the present invention, while the distribution conduit 133 is rotated by the rotary motor 139, selectively supplying the washing water to the connection conduit 132, the connection conduit 132 However, the washing water is supplied to the washing water input opening 135 in communication with), but this is only an embodiment, and the structure of the washing water distributing means 131 is selectively provided to the washing water input opening 135 in communication with the filter 121. If the structure can supply the washing water may be variously changed within the scope that can be practiced by those skilled in the art to which the present invention belongs.

For example, when the distribution conduit 133 does not rotate and the lower direction of the housing is defined as the lower direction, and the upper direction of the housing is defined as the upward direction, the distribution conduit 133 moves in the vertical direction while being moved upward and downward. Selective supply of wash water to the connection conduits 132 arranged in this configuration, or the housing in which the filter is installed is rotatably installed and the distribution conduit is fixed, so that the connection conduit connected to the washing water inlet opening is optional when the housing is rotated. The connection conduit may be configured to be connected to the distribution conduit such that the conduit receives the wash water from the distribution conduit.

In addition, in this embodiment, the distribution conduit for supplying the washing water to the six filters is configured in a T-shape so that the outlets of the two distribution conduits are connected to the two connection conduits, respectively, but the number of the outlets of the distribution conduits is 1 It may also be composed of three or three, the number of the present invention is not limited by the number.

On the other hand, the ballast water treatment apparatus according to the first embodiment of the present invention may further include a biological growth inhibitor injection port 115.

The biological growth inhibitor injection hole 115 of the ballast water treatment apparatus according to the first embodiment of the present invention is formed on one side of the housing connected to the outlet conduit 112 of the housing, for example, on one side of the second housing body 110b. By introducing a bioproliferation inhibitor into the housing through the inlet, it is possible to prevent the growth of microorganisms that can survive in the ballast water filtered inside the housing.

At this time, the ballast water treatment apparatus 100 according to the first embodiment of the present invention may use hypochlorous acid (HOCl) as a biological growth inhibitor. At this time, hypochlorous acid may be newly generated or pre-generated hypochlorous acid by the electrolysis means 140 to be described later.

More specifically, when the ballast water is electrolyzed by the electrolysis means 140, hypochlorous acid is generated by chlorine (Cl) contained in the ballast water as shown in the following formula (1).

At this time, referring to Figure 1, the electrolytic means for generating hypochlorous acid, the outlet of the outlet conduit 112 to electrolyze a portion of the ballast water discharged through the outlet of the outlet conduit 112 of the housing 110. Can be installed downstream of the.

The washing water containing hypochlorous acid generated by the electrolysis means may be supplied to the pump 138 and supplied into the housing. Electrolysis means for generating hypochlorous acid may use a known electrolysis device, the detailed description thereof will be omitted.

In the ballast water treatment apparatus 100 according to the first embodiment of the present invention, the electrolytic means 140 capable of electrolyzing the ballast water is installed on the downstream side of the outlet of the outlet conduit 112 to purify the ballast water. By including the generated hypochlorous acid in the wash water, it is possible to prevent the slime (slime) caused by the contaminants or organisms attached to the surface of the filter 121.

Meanwhile, the ballast water treatment apparatus 100 according to the first embodiment of the present invention may include a first pressure measuring sensor 151 and a second pressure measuring sensor 152 in the housing 110.

The first pressure measuring sensor 151 is installed at one inlet of the inlet conduit 111 of the housing 110 to measure the pressure of the ballast water flowing from the outside.

The second pressure measuring sensor 152 is installed at one outlet of the outlet conduit 112 of the housing 110 to measure the pressure of the filtered ballast water flowing out.

If no foreign matter is present in the filter 121, the filtration is well performed and measured by the first pressure measuring sensor 151 installed in the inlet conduit 111 and the second pressure measuring sensor 152 installed in the outlet conduit 112. The difference between the measured pressure readings is kept below a certain value.

However, as the ballast water is filtered, foreign matters on the gel may adhere to the surface of the filter 121. As the foreign matter on the gel adheres to the surface of the filter 121, the amount of ballast water filtered through the filter 121 may be reduced.

Accordingly, the filtration rate of the introduced ballast water is slowed down, and the treatment of the introduced ballast water is delayed, so that the pressure of the inlet of the inlet conduit 111 is increased, and the outlet of the outlet conduit 112 has a small amount of filtered ballast water. The pressure measured in the outlet conduit 112 is gradually lowered. Over time, the pressure difference measured by the first pressure measuring sensor and the second pressure measuring sensor becomes larger than a constant value.

In the ballast water treatment apparatus according to the first embodiment of the present invention, when the pressure difference measured by the first pressure measuring sensor 151 and the second pressure measuring sensor 152 is greater than a predetermined pressure value, the washing water input unit The washing water is supplied to the filter 121 at 130 to wash the filter 121. As a result, the pressure difference measured by the first pressure measuring sensor 151 and the second pressure measuring sensor 152 can be maintained below a constant pressure value.

Meanwhile, the ballast water treatment apparatus according to the first embodiment of the present invention may further include an ultrasonic wave generator.

Referring to FIG. 1, the ultrasonic generator 170 of the ballast water treatment apparatus 100 according to the first exemplary embodiment of the present invention is installed inside a housing and generates a plurality of filters 121 by generating ultrasonic waves to generate fine vibrations. It is configured to remove the foreign matter attached to the).

As such, by the minute vibration generated by the ultrasonic generator 170 of the ballast water treatment apparatus 100 according to the first embodiment of the present invention, the filter 121 may be more efficiently cleaned.

Hereinafter, the operation of the ballast water treatment apparatus according to the first embodiment of the present invention will be described.

6 is a view illustrating a process in which ballast water is filtered in a ballast water treatment apparatus according to a first embodiment of the present invention.

6, the ballast water treatment apparatus according to the first embodiment of the present invention, the ballast water introduced into the housing through the inlet of the inlet conduit 111 from the outside of the housing 121 is installed outside the housing 121 Filtration proceeds from inside to inside.

As the ballast water passes through the filter 121, microorganisms having a larger particle size than the filter 121 do not pass through the filter 121 and sink to the bottom of the housing by gravity.

Thereafter, the filtered ballast water passing through the filter 121 is moved to the second housing body 110b through one side (the right side when referring to FIG. 1) of the filter 121.

In this case, according to the first embodiment of the present invention, the bioproliferation inhibitor may be injected into the filtered ballast water through the bioproliferation inhibitor inlet 115, and then, the ballast water filtered through the filter may be disposed in the housing 110. Is discharged to the outside through the outlet of the outlet conduit (112). Finally, the ballast water discharged through the outlet of the outlet conduit 112 may be delivered to the ballast tank (not shown) and stored.

On the other hand, when the ballast water flows into the housing through the inlet of the inlet conduit 111 of the housing from the outside, the ballast water flows from the top to the bottom of the housing 110 by gravity. At this time, the heavy sludge included in the ballast water sinks to the lower portion of the housing 110.

Thereafter, when the sludge that has sunk in the lower part of the housing is accumulated to some extent, the sludge discharge valve 114 may be opened to discharge the sludge to the outside of the housing 110 through the sludge discharge port of the sludge discharge conduit 113.

Next, a process of washing the filter 121 in the ballast water treatment apparatus 100 according to the first embodiment of the present invention will be described.

7 is a view illustrating a process of washing the filter in the ballast water treatment apparatus 100 according to the first embodiment of the present invention.

Referring to FIG. 7, the ballast water filtered by the ballast water treatment apparatus 100 according to the first embodiment of the present invention is supplied to the electrolysis means 140 by the ballast water supply conduit 141. Can be.

When the ballast water is electrolyzed by the electrolysis means 140, hypochlorous acid is generated. Accordingly, the washing water containing hypochlorous acid may be introduced into the housing by the washing water input unit.

As such, the washing water containing hypochlorous acid prevents the growth of microorganisms in the ballast water using hypochlorous acid.

On the other hand, the pump 138 of the washing water input unit generates fine bubbles in the washing water, and supplies it to the distribution conduit 133 through the washing water injection conduit 134.

The wash water supplied to the connection conduit 132 connected to the distribution conduit is supplied to the filter 121 through the wash water input opening 135. The washing water supplied to the filter 121 is moved from the inside of the filter 121 to the outside by the inflow pressure. At this time, the foreign matter on the gel attached to the surface of the filter 121 is removed by the flow of the washing water while the washing water moves from the inside of the filter to the outside.

On the other hand, according to the first embodiment of the present invention, by the ultrasonic wave generated by the ultrasonic generator 170 installed inside the housing is generated a minute vibration having a constant frequency, such a vibration is transmitted to the surface of the filter 121 In this case, foreign matter attached to the surface of the filter 121 may be more effectively removed.

In addition, the generation of scale due to salts (sodium chloride, calcium sulfate, etc.) contained in the ballast water can be prevented by minute vibration.

Meanwhile, the ballast water treatment apparatus 100 according to the first embodiment of the present invention may purify the ballast water and at the same time wash the filter.

Hereinafter, a process of purifying the ballast water and simultaneously washing the filter in the ballast water treatment apparatus 100 according to the first embodiment of the present invention will be described. At this time, in the operation of the ballast water treatment apparatus according to the first embodiment of the present invention with reference to the drawings, as shown in Figure 8 of the six filters installed inside the housing, the distribution conduit located in the upper left 1 The second distribution conduit and the other distribution conduits arranged clockwise with respect to the first distribution conduit will be defined and described as the second to sixth distribution conduits.

8 is a view showing a state in which the distribution conduit is connected to the first and fourth connection conduits in the ballast water treatment apparatus according to the first embodiment of the present invention. 9 is a view showing a state in which the distribution conduit is connected to the second and fifth connection conduits in the ballast water treatment apparatus according to the first embodiment of the present invention. FIG. 10 is a view illustrating a state in which a distribution conduit is connected to connection conduits 3 and 6 in the ballast water treatment apparatus according to the first embodiment of the present invention.

In the ballast water treatment apparatus 100 according to the first embodiment of the present invention, the rotary motor 139 installed on one side of the distribution conduit 133 rotates the T-shaped distribution conduit 133 to all the connection conduits 132 at the same time. Rather than supplying the washing water, the washing water is supplied only to two connecting conduits 132 connected to the T-shaped distribution conduit 133.

More specifically, with reference to Figures 4, 5 and 8, the distribution conduit 133 is rotated by the rotary motor 139, the distribution conduit 133 is the first and fourth connection conduit 132 ), The washing water containing hypochlorous acid is supplied to the filter 121 connected to the first and fourth connecting conduits 132 through the first and fourth connecting conduits 132 connected to the distribution conduit 133. .

Accordingly, only the filter 121 connected to the first and fourth connection conduits 132 is washed, and the filter 121 connected to the second, third, fifth and sixth connection conduits 132 to which the washing water is not supplied is Filter ballast water normally.

Next, referring to FIGS. 4, 5 and 9, when the distribution conduit 133 is rotated by the rotary motor 139 and the distribution conduit 133 is connected to the second and fifth connection conduits 132, 1. The supply of wash water to the first and fourth connecting conduits 132 is stopped, and the washing water is supplied to the second and fifth connecting conduits 132.

Accordingly, the filter 121 connected to the second and fifth connecting conduits 132 is washed by the washing water, and the filter connected to the remaining first, third, fourth and sixth connecting conduits 132 to which the washing water is not supplied. 121 filters the ballast water.

Finally, referring to FIGS. 4, 5 and 10, when the distribution conduit 133 is rotated by the rotary motor 139 and the distribution conduit 133 is connected to the connection conduits 132 of the 3rd and 6th times, 2 The supply of wash water to burns 5 and 5 is stopped, and the wash water is supplied to the connecting conduits 132 of # 3 and 6.

Accordingly, the filter 121 connected to the third and sixth connecting conduits 132 is washed by the washing water, and the filter connected to the remaining first, second, fourth and fifth connecting conduits 132 to which the washing water is not supplied. 121 filters the ballast water.

As described above, the ballast water treatment apparatus 100 according to the first embodiment of the present invention can selectively wash the filter 121, and at the same time to wash the foreign matter on the gel attached to the outside of the filter 121, Through the remaining filter 121 there is an advantage that can normally filter the ballot water.

Hereinafter, a ballast water treatment apparatus according to a second embodiment of the present invention will be described with reference to the drawings.

11 is a schematic configuration diagram of a ballast water treatment apparatus according to a second embodiment of the present invention. 12 is a schematic side view of a ballast water treatment apparatus according to a second embodiment of the present invention.

In describing the second embodiment of the present invention, detailed description of the same or similar components as those of the first embodiment of the present invention will be omitted.

Referring to FIG. 11, the ballast water treatment apparatus 100 ′ according to the second embodiment of the present invention is different from the ballast water treatment apparatus 100 according to the first embodiment of the present invention. It is formed in a square and the plurality of filters are sequentially arranged six side by side from the top of the housing two by two.

11 and 12, the ballast water treatment apparatus 100 ′ according to the second embodiment of the present invention is opened and closed between the plurality of washing water input openings 135 and the pump 138 unlike the first embodiment. Washing water is supplied to the filter through opening and closing of the valve 136.

In this case, the ballast water treatment apparatus 100 ′ according to the second embodiment of the present invention has been described as having three opening and closing valves 136 and six connecting conduits 132 ′, Only one embodiment, it will be apparent to those skilled in the art that can vary depending on the installation environment or conditions of use.

And the on-off valve 136 is connected to one side and two connecting conduits 132 ′, respectively. The other side of the on-off valve 136 is connected to the wash water injection conduit 134. Each connecting conduit 132 ′ is installed parallel to the other connecting conduit 132 ′. At this time, the valve may be opened or closed in an automatic or manual manner.

Meanwhile, referring to FIGS. 11 and 12, the ballast water treatment apparatus 100 ′ according to the second embodiment of the present invention may inject washing water to selectively wash the foreign substances on the gel attached to the filter 121. The on-off valves 136 are sequentially opened one by one.

At this time, the two filters connected to the open on-off valve 136 is supplied with the washing water, and the washing is performed. It is introduced and the ballast water is filtered.

As described above, the ballast water treatment system according to the second embodiment of the present invention also uses the filter while simultaneously filtering the ballast water using the filter, and simultaneously using the wash water. Can be washed

Therefore, the ballast water treatment apparatus according to the second embodiment of the present invention can always secure a certain level or more filtration performance, it is possible to filter the large-capacity ballast water in a faster time.

Meanwhile, the ballast water treatment apparatus according to the first and second embodiments of the present invention may be applied to a desalination plant capable of producing drinking water from seawater according to the membrane performance of the filter.

At this time, when the desalination treatment using the ballast water treatment apparatus according to an embodiment of the present invention is to filter a large amount of sea water using a membrane. At this time, the fouling may be formed by attaching the organism to the membrane, using microbubbles and sterilizing substances such as hypochlorous acid generated in the electrolysis means of the ballast water treatment apparatus according to the first and second embodiments of the present invention. Thus, adherent organisms attached to the membrane can be sterilized and removed.

Accordingly, when using the ballast water treatment apparatus according to an embodiment of the present invention, the life of the membrane used in the desalination plant can be extended. In addition, since the washing and desalination of the filter at the time of desalination can be performed at the same time, the performance of the desalination plant can be stably maintained.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art may implement the present invention in other specific forms without changing the technical spirit or essential features of the present invention. You will understand that.

100, 100 ': ballast water treatment device 110, 110': housing
110a: first housing body 110b: second housing body
111: inlet conduit 112: outlet conduit
113: sludge discharge conduit 114: sludge discharge valve
115: biological growth inhibitor inlet 116: hollow part
117: filter support portion 120: filter portion
121: filter 130: washing water input
131: washing water distribution means 132, 132 ': connecting conduit
133: distribution conduit 134: wash water injection conduit
135: washing water input opening 136: on-off valve
137: dispensing conduit rotating support 138: pump
139: rotating motor 140: electrolysis means
141: ballast water supply conduit 151: first pressure measurement sensor
152: second pressure measuring sensor 170: ultrasonic generator

Claims (12)

A housing having a ballast water inlet and an outlet;
A filter unit including a plurality of filters installed inside the housing such that the ballersuit water introduced through the inlet is filtered and then flows out to the outlet; And
And a washing water input unit for selectively introducing washing water for washing the plurality of filters into each of the plurality of filters through a plurality of washing water input openings formed at one side of the housing. The method of claim 1,
Sludge outlet located in the lower side of the housing and
Ballast water treatment apparatus comprising a sludge discharge valve installed in the sludge discharge port.
The method of claim 1,
The washing water input unit
A pump for introducing washing water into the housing; And
A washing water distribution means,
And the washing water dispensing means is provided between the plurality of washing water inlet openings and the pump to selectively distribute the washing water to the plurality of washing water inlet openings.
The method of claim 3,
The washing water distribution means
A distribution conduit movably installed on the outside of the housing and configured to allow the washing water to flow into one side and the washing water to flow out to the other side; And
Including a plurality of connecting conduits,
The plurality of connecting conduits are installed at the periphery of the distribution conduit such that one end thereof can communicate with the other side of the distribution conduit at a predetermined position according to the movement position of the distribution conduit, and the other end is in communication with the plurality of washing water inlet openings, respectively. Ballast water treatment apparatus, characterized in that the.
5. The method of claim 4,
The distribution conduit is formed in a T-shape, ballast water treatment apparatus, characterized in that rotatably formed on the outside of the housing. The method of claim 1,
Ballast water treatment apparatus further comprises electrolysis means for generating the washing water by electrolyzing a portion of the ballast water discharged through the outlet. The method of claim 3,
The pump of the washing water input unit is ballast water treatment apparatus, characterized in that for generating fine bubbles in the washing water. The method of claim 1,
The housing is in communication with the outlet, the ballast water treatment apparatus further comprises a bio-proliferation inhibitor injection port for injecting a bio-proliferation inhibitor into the filtered ballast water. The method of claim 1,
A first pressure sensor installed at one side of the inlet to measure the pressure of the ballast water flowing in from the outside; And
And a second pressure measuring sensor installed at one side of the outlet and measuring the pressure of the filtered ballast water discharged to the outside. The method of claim 9,
When the pressure difference measured by the first pressure measuring sensor and the second pressure measuring sensor is greater than a predetermined pressure value, the ballast water treatment apparatus for supplying the washing water to the filter in the washing water input unit. The method of claim 1,
Further comprising an ultrasonic generator,
The ultrasonic generator is formed on one side of the housing and generates ultrasonic waves to generate a fine vibration to remove the foreign matter attached to the plurality of filters characterized in that the ballast water treatment apparatus. The method of claim 1,
The housing includes:
A first housing body formed in a cylindrical shape and having an inlet formed thereon and having both ends open;
Two filter supports respectively coupled to both ends of the first housing body and having openings to which the plurality of filters are coupled; And
One side is coupled to one side coupled to the first housing body and one of the filter support, the other side comprises a second housing body in communication with the outlet, ballast water treatment apparatus.

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