WO2014148869A1

WO2014148869A1 - Ballast water treatment system

Info

Publication number: WO2014148869A1
Application number: PCT/KR2014/002417
Authority: WO
Inventors: 박규원; 김성태; 이해돈; 박용석; 김대원; 이기성; 구자훈; 김유진
Original assignee: (주)테크로스
Priority date: 2013-03-22
Filing date: 2014-03-21
Publication date: 2014-09-25
Also published as: KR101486501B1; KR20140115878A

Abstract

The present invention relates to a ballast water treatment system, comprising: a filter and a electrolysis unit for receiving ballast water from the outside, and filtering and electrolyzing the ballast water; a first sensor unit for measuring seawater characteristics of the ballast water passing through the filter and the electrolysis unit so as to output the measured seawater characteristic values; a control unit which is placed to be connected with the first sensor unit, receives the measured seawater characteristic values from the first sensor unit, and determines a contamination level of the ballast water according to the measured seawater characteristic values so as to generate a control signal for controlling the strength of electrolysis; a UV/TiO₂ system which includes a TiO₂-coated plate, generates an OH radical through an interaction between ultraviolet rays and TiO₂ so as to enable the OH radical to sterilize residual microorganisms included in the ballast water passing through the filter and the electrolysis unit; an automatic neutralization treatment device which includes a neutralizing agent, receives a neutralizing agent discharge signal from the control unit, and neutralizes the ballast water passing through the filter and the electrolysis unit; and a second sensor unit for measuring the total residual oxidant (TRO) concentration of the ballast water neutralized in the automatic neutralization treatment device and transmits the measurement result of the TRO concentration to the control unit, wherein the control unit generates the neutralizing agent discharge control signal for controlling the amount of the neutralizing agent discharged from the automatic neutralization treatment device according to the measurement result of the TRO concentration received from the second sensor unit. Thus, the sterilization efficiency for the ballast water satisfies the USCG standards during the ballasting step for the ballast water. In addition, the neutralization efficiency for the ballast water is increased during the deballasting step for the ballast water.

Description

Ballast Water Treatment System

The present invention relates to a ballast water treatment system.

The vessel in operation receives ballast water from the outside to maintain the balance of the vessel. As such, the ballast water introduced into the vessel is sterilized and stored in the vessel, and when the ballast water is discharged to the outside, the neutralizing agent is added to neutralize and discharged to the outside.

The ballast water introduced into the vessel removes solids or microorganisms contained in the ballast water through any one of mechanical, physical, and chemical methods. In this case, the mechanical method may be a method of filtering the ballast water to be treated by microbial killing treatment to the filter.

The filter for filtering ballast water may be a filter having an edge wire, a wire mesh, or a disk.

In addition, the physical method may be a method of irradiating UV light (UV, ultraviolet rays) to the ballast water to be treated by microbial death treatment and an advanced oxidation process (AOP) method of generating OH radicals.

In addition, as a chemical method, there is a method of treating hypochlorous acid (HClO) and hypochlorite ions (HClO) using a chlorine disinfectant or electrolysis to treat ballast water for microbial killing. .

As another example of the chemical method, a method of adding a chemical substance such as ozone (O ₃ ), chlorine dioxide (ClO ₂ ), or the like may be used.

However, among the sterilization treatment methods of ballast water using the above method, the mechanical method is difficult to clean the residue trapped in the filter, and because of this, when using a screen filter, such as edge wire filter or mesh-shaped wire filter, There is a disadvantage in that clogging occurs due to solids.

In addition, the physical method has the possibility of regrowth of microorganisms in the ballast water because there is no residual of microbial killing, and the chemical method requires the additional process of neutralizing residual chemicals in the ballast water. The disadvantage is that there is a limit of ability.

The present invention is to improve the microbial killing efficiency of ballast water to achieve.

Another technical problem to be achieved by the present invention is to provide a ballast water treatment apparatus that the microbial killing standard of ballast water meets the United States Coast Guard (USCG) standard.

The ballast water treatment system according to an aspect of the present invention receives the ballast water from the outside, the filter and the electrolysis unit for filtering and electrolyzing the ballast water, the ballast water passed through the filter and the electrolysis unit The first sensor unit for measuring the seawater characteristics of the seawater characteristic and outputs the seawater characteristic measurement value, is connected to the first sensor unit, receives the seawater characteristic measurement value from the first sensor unit, according to the seawater characteristic measurement value A control unit for generating a control signal for controlling the electrolytic intensity by determining the pollution degree of the ballast water, the TiO ₂ coated plate, and generates OH radicals from the interaction of the UV and the TiO ₂ by the OH radicals And a UV / TiO ₂ system for neutralizing residual microorganisms contained in the ballast water passed through the filter and the electrolysis unit, and a neutralizing agent. An automatic neutralization treatment device for neutralizing the ballast water passing through the filter and the electrolysis unit by receiving a neutralizer discharge signal from a fisherman, and a total residual oxide ballast water neutralized by the automatic neutralization treatment device. oxidant, TRO) and a second sensor unit for transmitting the total residual oxide concentration measurement result to the control unit, the control unit according to the total residual oxide material concentration measurement result received from the second sensor unit The neutralizing agent discharge control signal for controlling the discharge amount of the neutralizing agent discharged from the automatic neutralization processing device is generated.

Preferably, the filter and the filter of the electrolysis unit are disk filters.

It is preferable that the filter and the electrolysis unit be provided by stacking a plurality of electrode modules having a circular plate shape.

The seawater characteristics measured by the sensor unit may be conductivity, temperature or total residual oxide.

The TiO ₂ coated plate of the UV / TiO ₂ system is preferably formed in any one of a mesh structure or a perforated plate shape.

According to this feature, the filter and the electrolysis unit removes or kills microorganisms and solids contained in the ballast water, and adjusts the electrolysis strength according to the conductivity, temperature and residual oxide concentration values of the ballast water in the ballasting step. It effectively kills microorganisms in ballast water.

In addition, in the deballasting step, the UV / TiO ₂ system additionally kills residual microorganisms in the ballast water and neutralizes the ballast water through an automatic neutralization treatment device.

As a result, the microbial killing efficiency of ballast water in the ballasting stage of ballast water meets USCG standards. In addition, since the remaining microorganisms in the ballast water is further killed in the deballasting stage of the ballast water, the microbial killing standard of the treated ballast water is more effectively in accordance with USCG standards.

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

Figure 2a is an exploded perspective view showing a filter and an electrolysis unit of the ballast water treatment system according to an embodiment of the present invention.

Figure 2b is an exploded perspective view showing the filter and the electrolysis of the ballast water treatment system according to an embodiment of the present invention.

3A is a perspective view showing a part of a filter and an electrolysis part of a ballast water treatment system according to an exemplary embodiment of the present invention.

Figure 3b is a cross-sectional view showing a portion of the filter and the electrolysis portion of the ballast water treatment system according to an embodiment of the present invention.

3C is a perspective view showing an electrode that is part of a filter and an electrolysis unit of the ballast water treatment system according to an exemplary embodiment of the present invention.

3D is a perspective view showing an electrode spacer that is part of a filter and an electrolysis unit of the ballast water treatment system according to an exemplary embodiment of the present invention.

4 is a flow chart showing the operation of the ballast water treatment system according to an embodiment of the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Next, a ballast water treatment system according to an embodiment of the present invention will be described with reference to the accompanying drawings.

First, with reference to Figure 1, the ballast water treatment system according to an embodiment of the present invention will be described in detail.

Referring to Figure 1, the ballast water treatment system according to an embodiment of the present invention measures the flow rate of the ballast water flowed into the inlet 1, the inlet 1 receiving the ballast water from the outside The first sensor unit for measuring the characteristics of the ballast water passing through the flow measuring unit 20, the filter and electrolysis unit 10, the filter and the electrolysis unit 10 for filtering and electrolyzing the ballast water ( 30), the control unit 100 for controlling the filter and electrolysis unit 10, and the automatic neutralization processing device 40 by monitoring the result of receiving the ballast water measurement results from the first sensor unit 30, The ballast tank 50 storing the ballast water passing through the first sensor unit 30, the ballast tank 50 is stored in the ballast tank (50) and irradiated with the ballast water discharged to the outside UV / to react TiO ₂ TiO ₂ is stored in the system 60, the ballast tank 50 was of the ballast water is discharged to the outside The automatic neutralization treatment device 40 for introducing the agent, the second sensor unit 31 for measuring the residual oxide material concentration of the ballast water neutralized by the automatic neutralization treatment device 40, and the ballast water to the outside A discharge port 2 for discharging is provided.

Ballast water treatment system according to an embodiment of the present invention receives seawater (hereinafter referred to as ballast water) from the outside of the vessel. At this time, the external ballast water flows into the ballast water treatment system through an inlet (sea inlet, sea chest) 1 and piping.

In addition, the flow rate measuring unit 20 measures the flow rate of ballast water introduced through the inlet 2, and transmits the measured flow rate value to the control unit 100.

The filter and electrolysis unit 10 sterilizes the ballast water introduced from the outside through mechanical and chemical methods.

Referring to FIGS. 2A and 2B and FIGS. 3A to 3D, the filter and electrolysis unit 10 according to an embodiment of the present invention will be described in more detail. Electrolysis unit 12 including an inlet and outlet (hereinafter referred to as 'inlet / outlet') 11, a plurality of electrodes 121 for electrolyzing the incoming ballast water, and electricity The cover 13 is positioned to protect the disassembly 12.

Referring to FIG. 2A, the inlet / outlet 11 of the filter and the electrolysis unit 10 is filtered at the inlet 112 and the filter and the electrolysis unit 10, which are passages for receiving ballast water from the outside. Outlet 111 for discharging ballast water treated by filtering and electrolysis to the outside is provided.

The cover 13 has a structure fixedly connected to one end of the inlet / outlet 11. At this time, when the electrolytic unit cover 13 and the inlet / outlet 11 is fixedly connected, the filter element is located inside the cover 13, the electrolytic unit 12 is located inside the filter element.

Referring to Figure 2b to describe in detail the components located inside the cover 13 of the filter and electrolysis unit 10, the filter and electrolysis unit 10 is fixed plate 152, filter pressing cover 132 In addition, the filter housing 131 located inside the filter pressing cover 132, the electrode module 121, and the electrode module housing 125 and the electrode module housing 125 are positioned to surround the outside of the plurality of electrode modules 121. Filter element 130 located outside of the), the spacer 122 located between the plurality of electrode modules 121, the filter pressing spring 151 wound around the support 150, the flow path located in the support 150 An induction part 114 and a rotating derivative 113 positioned inside the inlet / outlet 11 are provided.

First, the electrolysis unit 12 including the plurality of electrode modules 121 will be described in detail with reference to FIGS. 3A to 3D.

Referring to FIGS. 3A and 3B, the electrode module housing 125 is positioned to surround the outside of the plurality of electrode modules 121, wherein one end of the electrode module housing 125 is an electrode bus bar. 126 is provided.

In addition, the electrode module housing 125 also serves as a support for supporting the filter element 130.

In addition, the electrode module housing 125 has a backwash pipe 160 for backwashing the filter element 130. The backwash water pipe 160 is formed to have a plurality of backwash water discharge holes 161.

Two electrode busbars 126 may be disposed in the electrode module housing 125 and may be connected to an external rectifier (not shown) to receive current. The electrode busbar 126 transfers the current received from the rectifier (not shown) to each electrode module 121.

As shown in FIGS. 3A and 3B, two electrode busbars 126 are provided, one electrode busbar 126 receives a positive current, and the other electrode busbar 126. ) Is recommended to receive a negative current.

In addition, the plurality of electrode modules 121 positioned in the electrode module housing 125 may be stacked along the length direction of the support 150, and at this time, an electrode spacer may be disposed between the plurality of electrode modules 121. 122) may be located.

As such, the plurality of electrode modules 121 located inside the electrode module housing 125 and receiving current from the electrode busbars 126 flow into the inlet / outlet 11 and flow into the electrolysis unit 12. The water is electrolyzed.

Referring to this electrode module 121 in more detail with reference to Figure 3c, the electrode 121 has a disk shape having a third diameter (121c), so as to be drilled by the second diameter (121a) in the center of the disk. Is formed.

In addition, the electrode module 121 includes two first grooves 121b formed in a semicircular shape along the circumference of the disc. The two first grooves 121b are positions through which the backwash pipe 160 of the electrode module housing 125 passes. As a result, when the plurality of electrode modules 121 are stacked and positioned in the electrode module housing 125, the backwash pipe 160 is positioned in the first groove 121b of the electrode module 121. The electrode module 121 is coupled to the inside of the module housing 125.

In addition, the electrode module 121 further includes a second groove 121d that is a rectangular groove and a third groove 121e positioned to face the second groove 121d.

The third groove 121e has a thin rectangular drilled portion in a direction perpendicular to the circumference of the disc, and the third groove 121e further includes a circular drilled portion between the two rectangular drilled portions. At this time, the circular drilled portion is positioned so as not to contact the circumference of the electrode module 121.

When the electrode module 121 having the second groove 121d and the third groove 121e is coupled to the inside of the electrode module housing 125, the electrode busbar 126 may have the second groove 121d and the third groove. It is located to penetrate the groove 121e. Accordingly, the electrode module 121 receives a current from the electrode busbar 126.

Next, the electrode spacer spacer 122 will be described in detail with reference to FIG. 3D. The electrode gap spacer 122 may be located between the electrode module 121 and the electrode module 121, or may be located between the top (or bottom) of the electrode module housing 125 and the adjacent electrode module 121. .

As such, the electrode gap spacer 122 positioned between the electrode modules 121 is a spacer for inducing rotation of water, and has a circular ring having a first diameter 122a and is connected to the circumference of the ring along a predetermined gap. And provided with wings 122b.

At this time, the distance 122c of the one wing 122b and the other wing 122b positioned on the opposite side, that is, the length 122c of the electrode gap spacer 122 is determined by the length of the electrode 121 shown in FIG. 3D. It has a length shorter than the length (third diameter) 121c.

The first diameter 122a of the electrode gap spacer 122 is formed longer than the length of the second diameter 121a formed on the electrode 121 illustrated in FIG. 3D.

As such, since the electrode spacers 122 include the vanes 122b, the electrode spacers 122 are rotated by ballast water that is filtered by the filter element 130 and moves to the electrolysis unit 12. . Accordingly, as the ballast water around the electrode module 121 is further rotated, the electrolysis treatment efficiency is increased in the electrode module 121, and the residual oxide material generation efficiency of the ballast water is increased.

In addition, by providing the electrode spacer spacer 122, the ballast water electrolytically processed in the electrode module 121 is rotated to remove the scale (impurity, such as metal oxide, scale) that can accumulate on the filter element 130. The effect is that you can.

The electrode gap spacer 122 may be formed of an insulating material such as plastic.

Referring back to FIG. 2B, the filter and the electrolysis unit 10 will be described continuously. The filter element 130 is located outside the electrode module housing 125.

The filter element 130 may be a disk filter having a disk form. When a plurality of disk-shaped filter elements 130 are provided, the plurality of filter elements 130 may be stacked and positioned outside the electrode module housing 125.

When the plurality of filter elements 130 are stacked and positioned, the filter element 130 is fixed at a predetermined pressure by the pressing spring 151, wherein the disk-shaped filter element 130 is in the range of 50㎛ ~ 100㎛ It may be formed to have a groove.

The filter element 130 primarily filters the ballast water introduced through the inlet / outlet 11 and filters solids or microorganisms in the range of 50 μm to 100 μm included in the ballast water.

As such, the filter element 130 including the disk filter performs a back flushing process using the backwash pipe 160, so that clogging of dust in the wire of the filter occurs permanently. There is no effect.

In addition, the rotating derivative 113 positioned in the inflow / outflow port 11 is formed to have a ring shape and rotates in one direction.

As shown in FIG. 2B, the rotating derivative 113 has a portion protruding at a predetermined interval in one cross section. At this time, due to the protruding portion formed in the rotating derivative 113, when the rotating derivative 113 rotates in one direction, the ballast water around the rotating derivative 113 rotates in one direction.

At this time, the solids and microorganisms contained in the ballast water rotating in one direction due to the rotation of the rotating derivative 113 is evenly distributed in the ballast water, the filtering efficiency of the ballast water in the filter element 130 is The effect is to get better.

The rotary derivative 113 may rotate by receiving power from an external motor unit (not shown).

In addition, the ballast water positioned around the rotary derivative 113 and rotating in one direction according to the rotation of the rotary derivative 113 may be ballast water introduced from the outside through the inlet 112.

The flow path guide part 114 is positioned adjacent to the rotating derivative 113 and is a louver formed of a rubber material. More specifically, the flow path guide part 114 has a shape like a cubicle (suction or sucker), in which the convex portion of the flow path guide part 114 faces the opposite direction of the inflow / outlet port 11 and the flow path guide part 114. The concave portion of) is positioned to face the inlet / outlet 11.

As the flow path guide part 114 has a convex shape in one direction, the ballast water flowing down from the filter element 130 toward the inlet / outlet 11 is completed by the filtering and electrolysis treatment. It may flow through the inlet / outlet 11 through.

In addition, the flow path guide part 114 forms a plurality of grooves, and the ballast water filtered and electrolyzed through the groove of the flow path guide part 114 flows to the outlet 111 of the inlet / outlet 11. .

The flow path guide part 114 may be positioned to face the electrode module 121 or the opposite direction.

As an example, when water flowing inside the filter and the electrolysis unit 10 flows in the direction of the inlet / outlet 11 from the filter element 130, the flow path induction unit 114 may be formed as shown in FIG. 2B. 121) to face in the opposite direction.

As such, when the flow path guide part 114 is positioned so as to face the opposite direction of the electrode module 121, the bin formed in the flow path guide part 114 is positioned to be deflected as shown in FIG. 2B. Water flows into the inlet / outlet 11 through the space.

However, as another example, when the water flowing in the filter and the electrolysis unit 10 flows in the direction of the filter element 130 from the inlet / outlet 11 for cleaning the filter element 130, the flow path guide portion 114 ), The empty spaces formed in () are attached to each other, and the flow path guide part 114 is in an unfolded state. As a result, a flow path through which water located in the filter and the electrolysis unit 10 flows to the inlet / outlet 11 is blocked. Therefore, the water can move only to the backwash pipe.

When the flow path guide part 114 is positioned to be unfolded as described above, the filter crimping spring 151 positioned adjacent to the flow path guide part 114 is compressed, and the backwash water is washed out due to the pressure difference caused by the driving of the filter crimping spring 151. It is drawn into the backwash pipe 160.

At this time, the backwash water introduced into the backwash pipe 160 is discharged toward the filter element 130 from the electrode module housing 125 along the backwash water discharge hole 161. As a result, foreign substances such as dust stuck in the filter element 130 are washed.

Then, the backwash water discharged from the backwash water pipe 160 to clean the filter element 130 falls in the direction of the flow path guide part 114, and the backwash water flows along the groove formed in the flow path guide part 114 to discharge the outlet 111. Through) is discharged to the outside of the filter and electrolysis unit 10.

As the filter and the electrolysis unit 10 have the above configuration, the ballast water introduced from the outside is primarily filtered by the filter element 130 and is electrolyzed from the plurality of electrode modules 121. Therefore, the filter and the electrolysis unit 10 has an effect that can effectively remove the solids or microorganisms contained in the ballast water than when using only one of the filter or the electrolysis module.

In addition, the ballast water discharged from the filter and the electrolysis unit 10 as the filter and the electrolysis unit 10 performs electrolysis together with the filter, the ballast water sterilization standard according to the USCG (US Marine Guard) standard Can match.

Referring to Figure 1 again described the ballast water treatment system according to an embodiment of the present invention, the first sensor unit 30 is located in connection with the filter and the electrolysis unit 10, filter and electrolysis unit In (10), the ballast water filtered and electrolyzed is received, and the conductivity, temperature, and total residual oxidant (TRO) concentration of the ballast water received are measured.

In this case, the first sensor unit 30 may bypass and deliver only a part of the ballast water discharged from the filter and the electrolysis unit 10.

The first sensor unit 30 is connected to the control unit 100 and transmits the conductivity, temperature, and TRO concentration of ballast water measured by the first sensor unit 30 to the control unit 100.

The ballast pipe may be a pipe connecting the filter and the electrolysis unit 10 and the ballast tank 50 or a pipe connecting the filter and the electrolysis unit 10 and the first sensor unit 30.

The control unit 100 for generating such a control signal will be described in more detail later.

1, the ballast tank 50 is positioned in connection with the first sensor unit 30. In this case, when the first sensor unit 30 is bypassed from the filter and the electrolysis unit 10, the ballast tank 50 is positioned in connection with the filter and the electrolysis unit 10.

The ballast tank 50 is a tank for receiving and storing ballast water in which ballasting is completed, which is a process of killing microorganisms from filtering and electrolysis and neutralizing oxides generated during electrolysis.

The discharge port 2 is configured to discharge the ballast water stored in the ballast tank 50 to the outside of the ship, and in order to discharge the ballast water stored in the ballast tank 50 to the outside of the ship. It is necessary to neutralize the process.

Therefore, the automatic neutralization apparatus 40 includes a neutralizing agent for neutralizing the ballast water stored in the ballast tank 50, and according to the neutralizing agent input control signal received from the controller 100, the automatic neutralization processing apparatus ( 40) Put the internal neutralizer into the deballasting pipe.

As a result, ClO ₂ (chlorine dioxide) or Br ₂ (bromine) remaining in the ballast water stored in the ballast tank 50 is neutralized.

In this case, the deballasting pipe may be a pipe connecting the ballast tank 50 and the discharge port 2 or a pipe connecting the ballast tank 50 and the second sensor unit 31.

In addition, the UV / TiO ₂ system 60 may be located in connection with the control unit 100 and connected to a deballasting pipe leading from the ballast tank 50 to the outlet 2.

The UV / TiO ₂ system 60 includes a TiO ₂ coated plate and irradiates ultra violet ray (UV) to the microbial ballasted ballast water stored in the ballast tank 50. At this time, as the ballast water is irradiated with ultraviolet rays, hydroxyl groups (OH radicals, hereinafter referred to as 'OH radicals') are generated on the surface of the TiO ₂ plate, and the OH radicals survive or regrowth in the ballast water. Microorganisms are killed.

At this time, the TiO ₂ coated plate may be formed in a mesh shape or a perforated shape.

In addition, since oxygen (O ₂ ) generated in the remaining ballast water or electrolysis process of ballast water reacts with ultraviolet rays and TiO ₂ , high concentrations of OH radicals are generated, and thus, microbial killing of ballast water due to UV / TiO ₂ occurs. High efficiency

Therefore, the UV / TiO ₂ system 60 can effectively kill the microorganisms in the deballasting vessel ballast water and generate OH radicals using residual oxide material, which is necessary for the neutralization treatment of the deballasting vessel ballast water. It is effective in minimizing drugs such as neutralizing agents, and the microbial killing efficiency of ballast water can be more consistent with USCG.

In addition, the second sensor unit 31 is configured to measure the residual oxide (TRO) concentration of the neutralized deballasted ballast water, and the residual ballast water flowing from the ballast tank 50 to the discharge port 2. The oxide concentration is measured and the residual oxide concentration (TRO) of the deballasted ballast water is measured and transmitted to the controller 100.

In addition, the control unit 100 may measure the flow rate unit 20, the filter and the electrolysis unit 10, the first sensor unit 30, the second sensor unit 31, the UV / TiO ₂ system 60, and the automatic unit. It is located in connection with the neutralization treatment device (40). The control unit 100 receives a measurement value and the like from the flow rate measuring unit 20, the first sensor unit 30, and the second sensor unit 31, generates a control signal according to the measured value, and filters the generated control signal. And an electrolysis unit 10, a UV / TiO ₂ system 60, or an automatic neutralization apparatus 40.

When the control signal generation of the control unit 100 will be described in more detail, the control unit 100 controls the electrolytic strength of the filter and the electrolysis unit 10 according to the flow rate of ballast water received from the flow measuring unit 20. do.

As an example, when there is a large flow rate value of ballast water received from the flow rate measuring unit 20, the control unit 100 generates a control signal for controlling to increase the electrolytic strength of the filter and electrolysis unit 10 and On the other hand, when the flow rate of ballast water received from the flow measuring unit 20 is small, the control unit 100 generates a control signal for controlling to lower the electrolytic strength of the filter and electrolysis unit 10.

The controller 100 generates a control signal for controlling the electrolytic strength of the filter and the electrolysis unit 10 according to the characteristic measurement result of the ballast water received from the first sensor unit 30.

As an example, when the conductivity of ballast water measured by the first sensor unit 30 has a higher value than the reference value, the controller 100 applies a current to reduce the electrolytic strength of the filter and the electrolysis unit 10. When the control signal is generated to control the value to be lowered, while the conductivity of the ballast water measured by the first sensor unit 30 has a value lower than the reference value, the control unit 100 filters and the electrolysis unit 10. In order to increase the electrolytic strength of the control signal to control to increase the current applied value is generated.

In addition, the controller 100 controls the amount of UV irradiation of the UV / TiO ₂ system 60 according to the residual TRO (residual oxide material) concentration value of the deballasting vessel ballast water received from the second sensor unit 31. . As an example, when the residual oxide material concentration of the deballasting ballast water measured by the second sensor unit 31 has a high value, the control unit 100 may irradiate UV / TiO ₂ to the ship ballast water a lot. When the control signal for controlling the system 60 is generated, while the residual oxide material concentration of the deballasting ballast water measured by the second sensor unit 31 has a low value, the controller 100 controls the ballast water. A control signal is generated to control the UV / TiO ₂ system 60 to irradiate less ultraviolet light.

Then, the control unit 100 controls the amount of neutralizer input of the automatic neutralization treatment device 40 according to the residual TRO (residual oxide quality) concentration value of the deballasting vessel ballast water received from the second sensor unit 31. As an example, when the residual oxide material concentration of the deballasting ballast water measured by the second sensor unit 31 has a high value, the controller 100 automatically adds a neutralizer to the ballast water. When the control signal for controlling 40 is generated and the residual oxide material concentration of the deballasting ballast water measured by the second sensor unit 31 has a low value, the controller 100 controls the ballast water. The control signal for controlling the automatic neutralization processing device 40 so that a small amount of neutralizing agent is added thereto is generated.

Next, with reference to Figure 4 will be described the operation of the ballast water treatment system of the present invention.

As shown in FIG. 4, first, the flow rate measuring unit 20 measures the flow rate of ballast water introduced into the ballast water treatment system from the outside (S201). When the flow rate measuring unit 20 bypasses only a portion of the ballast water introduced from the outside to measure the flow rate, the flow rate measuring unit 20 transmits the measured flow rate to the filter and the electrolysis unit 10 (S212). When the flow rate measuring unit 20 receives the entire ballast water introduced from the outside and measures the flow rate, the flow rate measuring unit 20 filters and electrolyzes the ballast water introduced into the flow rate measuring unit 20. Transfer to the unit 10 (S211), and at the same time delivers the flow rate to the filter and the electrolysis unit 10 (S212).

The filter and the electrolysis unit 10 receives the ballast water from the outside (or flow rate measuring unit 20), and filters the introduced ballast water (S101). At this time, the solid matter and microorganisms in the ballast water is filtered using the filter element 130 provided in the filter and the electrolysis unit 10, and the dust caught on the filter element 130 through the backwash pipe 160. Clean foreign substances such as

In addition, the filter and the electrolysis unit 10 electrolyze the ballast water primarily filtered by the filter element 130 using the plurality of electrode modules 121 (S102), and the ballast water that has been electrolyzed. It is delivered to the first sensor unit 30 along the pipe (S111).

At this time, the ballast water filtered and electrolyzed by the filter and the electrolysis unit 10 is transferred to the ballast tank 50 along the ballast pipe and stored (S112).

The first sensor unit 30 measures the conductivity, temperature, and TRO (residual oxide content) concentration of ballast water discharged from the filter and the electrolysis unit 10 (S301), and controls the seawater characteristic measurement value. To be delivered (S3011).

At this time, the ballast water in which the ballast water characteristic is measured by the first sensor unit 30 is transferred to the ballast tank 50 and stored in the ballast tank 50 (S3012).

Next, the controller 100 determines the pollution degree of the ballast water according to the characteristic measurement value of the ballast water received from the first sensor unit 30 (S1001).

In addition, the controller 100 determines whether the ballast water treatment process is a deballasting step (S1002). At this time, when the ballast water treatment process is not the deballasting step, the control unit 100 does not perform a separate step. On the other hand, if the ballast water treatment process is determined to be the de-ballasting step, the control unit 100 transmits a control signal for controlling the automatic neutralization apparatus 40 to discharge the neutralizing agent to the automatic neutralization apparatus 40 ( S1012).

At this time, when the ballast water treatment device is a deballasting stage, the ballast tank 50 transmits the deballasted ballast water to the automatic neutralization treatment device 40 (S501).

Accordingly, the automatic neutralization processing device 40 neutralizes the deballasting vessel ballast water by discharging the neutralizer to the deballasting vessel ballast water discharged from the ballast tank 50 (S401). At this time, the neutralizing agent discharged from the automatic neutralization processing device 40 (S401) is not directly introduced into the ballast tank 50, the deballasted piping positioned to reach the ballast water outlet 2 from the ballast tank 50. It is good to put in.

In addition, the UV / TiO ₂ system 60 irradiates ultraviolet rays to the deballasting ballast water received from the ballast tank 50 (S501) to generate OH radicals to kill residual microorganisms (S601).

The deballasted ballast water in which the microorganisms are killed in the UV / TiO ₂ system 60 is transferred to the automatic neutralization apparatus 40 (S611).

Then, the second sensor unit 31 measures the TRO concentration of the deballasted ballast water neutralized by the automatic neutralization processing device 40 (S311), and transmits the measured TRO concentration to the controller 100. (S3111).

The control unit 100 receiving the TRO concentration value measured by the second sensor unit 31 determines the measurement result (S1003), and controls the UV radiation intensity of the UV / TiO ₂ system 60 and the automatic neutralization. A control signal for controlling the amount of neutralizer discharged from the processing device 40 is generated (S1013).

According to this process, the ballast water can be efficiently ballasted and deballasted, and the sterilization criteria of the treated ballast water meet USCG standards.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

Claims

Filter and electrolysis unit for receiving the ballast water from the outside, filtering and electrolyzing the ballast water,

A first sensor unit measuring seawater characteristics of the ballast water passing through the filter and the electrolysis unit and outputting seawater characteristic measurement values;

The control signal is connected to the first sensor unit, receives the seawater characteristic measurement value from the first sensor unit, and controls the electrolytic intensity by determining the pollution degree of the ballast water according to the seawater characteristic measurement value. A controller for generating a

UV / UV containing a TiO 2 coated plate and generating OH radicals from the interaction of ultraviolet light with the TiO 2 to sterilize residual microorganisms contained in the ballast water where the OH radicals pass through the filter and the electrolysis unit. TiO 2 system,

An automatic neutralization treatment device including a neutralizing agent and neutralizing the ballast water passing through the filter and the electrolysis unit by receiving a neutralizing agent discharge signal from the control unit; and

A second sensor unit for measuring the total residual oxidant (TRO) concentration of the ballast water neutralized by the automatic neutralization treatment device, and delivers the total residual oxidant concentration measurement results to the controller

Including

The control unit is the ballast water treatment system for generating the neutralizing agent discharge control signal for controlling the discharge amount of the neutralizing agent discharged from the automatic neutralization treatment device in accordance with the measurement result of the total residual oxide material concentration received from the second sensor unit.
In claim 1,

The ballast water treatment system of the filter and the electrolysis unit is a disk filter.
In claim 1,

The ballast water treatment system of claim 1, wherein the filter and the electrolysis unit are provided by stacking a plurality of electrode modules having a circular plate shape.
In claim 1,

The seawater characteristics measured by the sensor unit is the ballast water treatment system of the conductivity, temperature or total residual oxide concentration.
In claim 1,

And the TiO 2 coated plate of the UV / TiO 2 system is formed in any one of a mesh structure or a perforated plate shape.