KR20140039642A - Smart ballast water treatment system using electrolysis opitmumly injecting salt water and method for controlling the same - Google Patents

Abstract

The present invention relates to a ballast water treatment system and a control method thereof and, more specifically, to a smart ballast water treatment system using electrolysis capable of optimally injecting salt water and a control method thereof. The smart ballast water treatment system using electrolysis capable of optimally injecting salt water comprises: an inlet pipe (1) into which ballast water flows; a fluid supplying part which supplies fluid to an electrolysis part (4), wherein the fluid is formed by withdrawing a portion of the ballast water from the inlet pipe (1) or receiving salt water; and the electrolysis part (4) which electrolyzes the fluid supplied from the fluid supplying part to generate electrolyzed water including a sterilizing agent. The fluid supplying part comprises: a withdrawal part (31) which supplies fluid to the electrolysis part (4), wherein the fluid is formed by withdrawing a portion of the ballast water from the inlet pipe (1) or receiving salt water from a salt water supplying part (33); a first measurement part (32) which measures the electric conductivity and temperature of the ballast water flowing through the inlet pipe (1) before electrolyzed water is mixed to the ballast water; and the salt water supplying part (33) which supplies salt water to the withdrawal part (31), wherein the quantity of the salt water is estimated depending on the electric conductivity and temperature measured from the first measurement part (32). The quantity of the salt water supplied to the ballast water being electrolyzed is estimated depending on the electric conductivity and temperature of the ballast water, so that the over supply or short supply of the salt water is prevented, thereby improving sterilizing agent generation efficiency and promoting economic efficiency.

Description

Technical Field [0001] The present invention relates to a smart electrolytic ballast water treatment system and an electrolytic ballast water treatment system using the same,

The present invention relates to a ballast water treatment system and a control method thereof, and more particularly, to a ballast water treatment system and a method of controlling the ballast water treatment system and a control method thereof, And an electrolytic unit for electrolyzing the fluid supplied from the supply unit and the fluid supply unit to generate electrolytic water containing a sterilizing agent, wherein the fluid supply unit supplies a part of the ballast water from the inflow pipe or receives the brine from the brine supply unit, A first measuring unit for measuring the electric conductivity and the temperature of the ballast water flowing through the inflow pipe and before the electrolytic water is mixed with the electrolytic cell, a first measuring unit for measuring the electric conductivity and the temperature measured by the first measuring unit, And a brine supply unit for supplying a brine of a positive quantity estimated according to the electrolysis Since the amount of salt water to be supplied to the ballast water is calculated in consideration of the electric conductivity and temperature of the ballast water, it is possible to improve the efficiency of producing bactericide by preventing excessive or under-salt water supply, The present invention relates to a smart electrolytic ballast water treatment system and a control method thereof.

Ballast water means seawater filled in the ballast tanks in order to maintain the balance of the ship when the ship is operated without luggage. With the increase of international trade volume, the marine transportation ratio is increasing, and as the number of vessels increases and the size of vessels increases rapidly, the volume of ballast water used by vessels is greatly increasing. As the amount of ballast water used in vessels increases, the number of cases of harms caused by marine ecosystems due to foreign marine species is also increasing. In order to solve these international environmental problems, the International Maritime Organization (IMO) The International Convention on the Control and Management of Ballast Water and Sediments of Ships has been completed, and a new ballast water treatment system has been installed on ships newly constructed from 2009.

Conventionally, in order to prevent destruction of marine ecosystem caused by species contained in ballast water, the ballast water is sterilized by heat treatment, chemical treatment, electrolysis, and the like and discharged. In the case of the heat treatment method, there is a problem that it is difficult to treat heat-resistant microorganisms or inorganic pollution sources. In the case of the chemical treatment method, there is a problem that secondary pollution may occur after treatment with ballast water, Is electrolyzed to generate electrolytic water, and the electrolytic water is supplied to the ballast water to sterilize the ballast water.

In order to generate sterilizing agent in the electrolytic method, electrolytic ballast water has to have a salinity of a predetermined level or higher. Since most of the ships operate in the ocean, seawater is used as ballast water and sodium chloride, sodium hypochlorite, Ion, etc. However, when the ship is operating in the nose or fresh water area, the ballast water flowing into the ship does not have a sufficient salinity. Therefore, the ballast water withdrawn for electrolysis may be separately supplied with salt water . In addition, a method of determining the amount of salt water to be drawn into the ballast water withdrawn for electrolysis is to install a salinity meter on the ballast water inlet side of the ship and compare the salt salinity measured with the salinity meter to the predetermined reference salinity, .

However, in the electrolytic water produced by electrolysis of the ballast water supplied with the salt water by the conventional method of determining the amount of the salt water to be injected, the sterilizing efficiency of the ballast water is lowered or the sterilizing agent far exceeding the reference value is generated There is a problem that economical efficiency is deteriorated due to the supply of brine which is generated and is not needed.

Accordingly, there is an increasing need for a system and method for supplying an appropriate amount of saline water in consideration of salinity of ballast water as well as other factors when supplying saline to the ballast water to be electrolyzed.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems,

The present invention relates to a smart electric system capable of optimizing the salt water injection to smooth the production of a sterilizing agent for sterilizing ballast water by supplying salt water to the ballast water to be electrolyzed when low- And an object of the present invention is to provide a decomposition ballast water treatment system and a control method thereof.

In addition, the present invention can provide an optimum saltwater infusion which can maintain the optimum ballast water sterilization efficiency by supplying an appropriate amount of salt water to the electrolytic ballast water to generate a bactericide, prevent the supply of excessive salt water, And an object thereof is to provide a smart electrolytic ballast water treatment system and a control method thereof.

In addition, the present invention determines the amount of brine to be supplied to the ballast water to be electrolyzed by measuring the electrical conductivity and temperature of the ballast water flowing into the ship, so that the optimum electrolysis efficiency A ballast water treatment system and a control method thereof.

Further, the present invention is a method for measuring the amount of ballast water to be electrolyzed A smart electrolytic ballast water treatment system capable of optimizing saline water injection so as to improve the electrolysis efficiency by controlling the salinity and controlling the output of the electrolysis unit by measuring the ballast water whose salinity is corrected by the second measurement unit, And a control method.

In addition, the present invention relates to a storage module in which the amount of salt water to be injected is stored in accordance with the electric conductivity and temperature of the ballast water flowing into the ship, and a storage module in which the salt water corresponding to the electric conductivity and temperature of the ballast water received from the first measurement part A smart electrolytic ballast water treatment system and a control method thereof capable of optimizing saline water injection to improve the supply efficiency of saline water, including a salt water amount calculating module for calculating an amount of saline water to be supplied from the storage module The purpose of the method is to provide.

In order to achieve the above object, the present invention is implemented by the following embodiments.

According to one embodiment of the present invention, a smart electrolytic ballast water treatment system capable of an optimal salt water injection according to the present invention comprises: an inflow pipe into which ballast water flows; A fluid supply part for drawing a part of the ballast water from the inflow pipe or supplying the fluid to the electrolysis part by receiving the brine water; And an electrolytic unit for electrolyzing the fluid supplied from the fluid supply unit to generate electrolytic water containing a sterilizing agent, wherein the fluid supply unit supplies a part of the ballast water from the inflow pipe or receives the brine from the brine supply unit, A first measuring unit for measuring an electric conductivity and a temperature of the ballast water flowing through the inflow pipe and before the electrolytic water is mixed with the electrolytic cell; The amount of brine to be supplied to the ballast water to be electrolyzed is calculated in consideration of the electric conductivity and the temperature of the ballast water, The supply of the brine can be prevented so that the efficiency of producing the bactericide can be improved and the economical efficiency can be achieved.

According to another embodiment of the present invention, in the smart electrolytic ballast water treatment system capable of performing an optimal salt water injection according to the present invention, the fluid supply unit may include a second measurement unit for measuring the salinity of the fluid flowing into the electrolysis unit And the electrolysis unit is controlled in response to a value of salinity of the fluid measured by the second measuring unit.

According to another embodiment of the present invention, a smart electrolytic ballast water treatment system capable of an optimal salt water injection according to the present invention further comprises a controller, which is to be supplied according to the electrical conductivity and temperature of the ballast water A storage module in which the amount of salt water is stored in a tabulated manner; and an amount of salt water corresponding to the electrical conductivity and temperature of the ballast water received from the first measurement unit, And a salt quantity calculation module for outputting information on the quantity of salt.

According to another embodiment of the present invention, in a smart electrolytic ballast water treatment system capable of implanting an optimum saline solution according to the present invention, the controller analyzes the information output from the salt quantity calculation module, A salt water supply judging module for judging whether there is salt water or not, and when the salt water supply judging module judges that there is a salt water to be supplied to the extracting part, it instructs the salt water supplying part to supply the salt water according to the information outputted from the salt water amount calculating module And a brine supply instruction module.

According to another embodiment of the present invention, in the smart electrolytic ballast water treatment system capable of performing an optimal salt water injection according to the present invention, the lead-out portion is connected to the inflow pipe at the rear side of the first measurement portion, An outflow pipe for supplying a part of the ballast water to the electrolytic unit and a draw pump connected to the outflow pipe for transporting the fluid, wherein the brine supply unit includes a brine tank in which brine is stored, And a brine pump connected to the brine supply pipe for transporting the brine.

According to another embodiment of the present invention, there is provided a control method for a smart electrolytic ballast water treatment system capable of performing an optimal salt water injection according to the present invention, comprising: a ballast water information collecting step of acquiring information on ballast water flowing into a ship by a controller; The controller collects information on the ballast water collected in the ballast water information collecting step and determines whether there is any brine to be supplied and instructs the supply of the brine water, Wherein the control unit includes a first measurement unit data acquisition step of acquiring data on the electrical conductivity and temperature value of the ballast water output from the first measurement unit, And a salt water supply amount calculating step of obtaining the amount of salt water corresponding to the electric conductivity and the temperature of the ballast water collected in the measurement part data collecting step from the storage module and calculating the amount of the salt water to be supplied to the drawer part do.

According to another embodiment of the present invention, in the method for controlling a smart electrolytic ballast water treatment system capable of implanting an optimal saline solution according to the present invention, the salt water supply determination and instruction step may include: Determining whether there is any brine to be supplied to the drawer by analyzing information on the amount of the brine calculated in the step of determining whether there is any brine to be supplied to the drawer; And the brine supply instruction module further comprises a brine supply instruction step for instructing the supply of a predetermined amount of brine to the brine supply unit according to the information calculated in the brine supply amount calculation step.

According to another embodiment of the present invention, a control method of a smart electrolytic ballast water treatment system capable of implanting an optimum saline solution according to the present invention is characterized in that after the salt water supply determination and instruction step, A fluid supply instruction step; Wherein the controller further comprises an electrolytic water generating and supplying step of controlling the operation of the electrolytic unit according to the data output to the second measuring unit to generate electrolytic water and instructing the supply of the electrolytic water to the inflow pipe after the fluid supply instruction step, Wherein the generating and supplying step includes an electrolysis directing step of directing electrolysis of the fluid by regulating the magnitude of voltage supplied to the electrolytic cell according to the data obtained by the second measuring unit.

The present invention can obtain the following effects by the above-described embodiment, the constitution described below, the combination, and the use relationship.

The present invention has an effect of facilitating the generation of a sterilizing agent for sterilizing ballast water because saltwater is supplied to the ballast water to be electrolyzed when low-salt ballast water flows into the ship.

In addition, the present invention has an effect that the optimum amount of ballast water sterilization efficiency can be maintained by supplying a proper amount of salt water to the ballast water to be electrolyzed to generate a sterilizing agent, and the supply of excess saline water can be prevented and economical efficiency can be achieved.

In addition, the present invention has an effect of supplying an appropriate amount of brine since it determines the amount of brine to be supplied to the ballast water to be electrolyzed by measuring the electrical conductivity and temperature of the ballast water flowing into the vessel.

Further, the present invention is a method for measuring the amount of ballast water to be electrolyzed There is an effect that the electrolysis efficiency can be improved because the salinity is corrected and the ballast water whose salinity is corrected is measured by the second measuring unit to control the output of the electrolysis unit.

In addition, the present invention relates to a storage module in which the amount of salt water to be injected is stored in accordance with the electric conductivity and temperature of the ballast water flowing into the ship, and a storage module in which the salt water corresponding to the electric conductivity and temperature of the ballast water received from the first measurement part And an amount of salt water to be supplied from the storage module to calculate an amount of salt water to be supplied, thereby improving the supply efficiency of the salt water.

1 is a block diagram of a ballast water treatment system in accordance with an embodiment of the present invention.
2 is a configuration diagram of a ballast water treatment system according to an embodiment of the present invention;
3 is a block diagram of a controller used in a ballast water treatment system in accordance with an embodiment of the present invention.
4 is a reference diagram for explaining a storage module used in a ballast water treatment system according to an embodiment of the present invention;
5 is a flowchart showing a control method of a ballast water treatment system according to an embodiment of the present invention;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a smart electrolytic ballast water treatment system and a method of controlling the same according to the present invention will be described in detail with reference to the accompanying drawings. It is to be noted that the same elements among the drawings are denoted by the same reference numerals whenever possible. Unless defined otherwise, all terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and, if conflict with the meaning of the terms used herein, It follows the definition used in the specification.

FIG. 1 is a block diagram of a ballast water treatment system according to an embodiment of the present invention, FIG. 2 is a configuration diagram of a ballast water treatment system according to an embodiment of the present invention, FIG. FIG. 4 is a view for explaining a storage module used in a ballast water treatment system according to an embodiment of the present invention, and FIG. 5 is a block diagram of a controller used in a ballast water treatment system according to an embodiment Fig. 6 is a flowchart showing a control method of the ballast water treatment system according to an example. Fig.

1 through 4, a ballast water treatment system according to an embodiment of the present invention includes an inlet pipe 1 through which ballast water flows, A ballast tank 2 connected to the end of the inflow pipe 1 for storing ballast water and a fluid supply unit for supplying a fluid formed by drawing a part of the ballast water from the inflow pipe 1 or injecting brine into the electrolysis unit 4 An electrolytic unit 4 for electrolyzing the fluid supplied from the fluid supply unit 3 to generate electrolytic water containing a sterilizing agent and a circulation pump 4 for circulating the electrolytic water generated in the electrolytic unit 4 An electrolytic water supply unit 5 for supplying the electrolytic water to the outflow pipe 4 and a controller 6 for controlling the operation of the ballast water treatment system so as to prevent excessive or inadequate salt water supply to the ballast water to be electrolyzed It is possible to improve the efficiency of producing a bactericide and to achieve economical efficiency.

The inflow pipe 1 is a tube for supplying inflowed ballast water to the ballast tank 2, and the inflow pipe 1 is supplied with electrolytic water containing a sterilizing agent, which will be described in detail below. The intake pipe 1 is provided with a water intake pump 11, a concentration sensor 12, a water intake valve 13, a water intake meter 14, and the like.

The water intake pump 11 is installed at the tip side of the inflow pipe 1 and operates under the control of the controller 6 to transport the ballast water through the inflow pipe 1. The water intake pump 11, The flow rate of the ballast water transported through the inflow pipe 1 can be controlled by controlling the intensity of the output.

The concentration sensor 12 is a sensor for measuring the concentration of oxidizing agent present in the ballast water mixed with the electrolytic water, which is provided on the rear side of the inflow pipe 2, and measures the concentration of the residual chlorine contained in the ballast water Calculate the concentration of oxidant. The value measured by the density sensor 12 is transmitted to the controller 6. [

The intake valve 13 is provided in the inlet pipe 1 on the rear side of the concentration sensor 12 and controls the flow rate of the ballast water flowing through the inlet pipe 1 under the control of the controller 6 , A 2-way valve of a ball valve type, or the like can be used.

The water intake meter 14 is configured to measure the flow rate of the ballast water supplied to the ballast tank 2 through the inlet pipe 1 provided in the inlet pipe 1 on the rear side of the intake valve 13 , And the value measured by the water intake amount meter 14 is transmitted to the controller 6.

The ballast tank 2 is connected to the end of the inflow pipe 1 and stores the ballast water mixed with the electrolytic water containing the sterilizing agent transported through the inflow pipe 1. For example, And may be formed of various materials such as SUS304 or SPV300.

The fluid supply part 3 is configured to draw a part of the ballast water from the inflow pipe 1 or to supply the fluid formed by injecting the brine to the electrolysis part 4 and includes a lead part 31, A salt water supply unit 33, a flow meter 34, a second measurement unit 35, and the like.

The drawing portion 31 is configured to draw a part of the ballast water from the inflow pipe 1 or to supply the fluid formed by supplying the brine from the brine supply portion 33 to the electrolysis portion 4, A take-out valve 311, a take-out valve 312, a take-out pump 313, and the like.

The outflow pipe 311 is connected to the inflow pipe 1 between the first measuring unit 32 and the concentration sensor 12 so as to partially discharge the ballast water flowing through the inflow pipe 1, And a brine supply pipe 332 to be described later is connected to the take-out pipe 41. The take-out tube 311 is provided with a take-out valve 312 and a take-out pump 313. When the salinity of the ballast water flowing into the inflow pipe 1 is lower than the set value, brine is supplied to the take-out pipe 311 by a brine supply unit 33 to be described later, Since the brine flows, the ballast water and the brine which are supplied to the electrolysis unit 4 through the take-out pipe 311 will be referred to as fluids throughout the specification.

The take-out valve 312 is provided at the tip end side of the take-out tube 311 and operates under the control of the controller 6 to adjust the flow rate of the ballast water flowing through the take-out tube 311.

The drawing pump 313 is installed on the drawing tube 311 on the rear side of the drawing valve 312 and operates under the control of the controller 6 to transport the fluid through the drawing tube 311.

The first measuring unit 32 is installed in the inflow pipe 1 on the rear side of the water intake pump 11 and measures the electrical conductivity and temperature of the ballast water before the electrolytic water is mixed. 32 are transmitted to the controller 6. The first measuring unit 32 is formed in a single integrated configuration and simultaneously measures electrical conductivity and temperature.

The brine supply unit 33 is configured to supply a positive brine calculated in accordance with the electric conductivity and the temperature measured by the first measurement unit 32 to the outlet 31, do. A brine tank 331, a brine supply pipe 332, a brine pump 333, a brine valve 334, and the like. Generally, the ballast water has a salinity sufficient to produce a sterilizing agent during electrolysis using seawater, but when the ship is operating in the nose or freshwater region, the incoming ballast water does not have a sufficient salinity, ). ≪ / RTI > The amount of the brine supplied through the brine supply unit 33 is calculated in consideration of the electrical conductivity and temperature of the incoming ballast water, which will be described in detail below, unlike the conventional method.

The brine tank 331 is configured such that brine having high saltiness is stored, and the brine water may be water in which seawater or salt is dissolved.

The brine supply pipe 332 is connected to the brine tank 331 at one end and connected to the take-out pipe 311 between the take-out pump 313 and the flow meter 34 to connect the brine to the take- .

The brine pump 333 is installed at the tip side of the brine supply pipe 332 and operates under the control of the controller 6 to transport the brine through the brine supply pipe 332.

The brine valve 334 is installed in the brine supply pipe 332 on the rear side of the brine pump 333 and regulates the flow rate of the brine flowing through the brine supply pipe 332 under the control of the controller 6.

The flow meter 34 is installed in the draw pipe 311 at the rear side of the portion where the brine supply pipe 332 is connected to the take-out pipe 311 and is connected to the electrolysis unit 4 through the take- In the configuration for measuring the flow rate of the supplied fluid, the value measured by the flow meter 34 is transmitted to the controller 6.

The second measuring unit 35 is installed in the take-out tube 311 on the rear side of the flow meter 34 to measure the salinity of the fluid. The measured value of the second measuring unit 35 is supplied to the controller 6). For example, a salinity meter may be used as the second measuring unit 35. [

The electrolytic unit 4 includes an electrolytic bath 41, a rectifier 42, and the like, configured to generate electrolytic water containing a sterilizing agent by receiving a fluid from the fluid supply unit 3 and electrolyzing it.

The electrolytic bath 41 has a structure in which a fluid is supplied and electrolyzed. Since the fluid has a salinity higher than a certain level, electrolytic water containing an oxidizing agent such as sodium hypochlorite, sodium hypochlorite, .

The rectifier 42 converts an AC voltage to a DC voltage and supplies the DC voltage to the electrolyzer 41. The controller 42 changes the intensity of the voltage supplied to the electrolyzer 41 under the control of the controller 6, .

The electrolytic water supply unit 5 is configured to supply the electrolytic water generated in the electrolytic unit 4 to the inflow pipe 1 under the control of the controller 6 and includes a gas separator 51 and an electrolytic water supply pipe 52 ), A supply valve 53, and the like.

The gas separator 51 is connected to the electrolytic cell 41 and separates and removes gases such as hydrogen and chlorine generated in the electrolytic process of the fluid in the electrolytic cell 41. In the gas separator 51, The electrolytic water from which the gas has been removed is supplied to the inflow pipe (1) through the electrolytic water supply pipe (52).

The electrolytic water supply pipe 52 is connected to the gas separator 51 and supplies electrolytic water separated from the gas to the inflow pipe 1. The end of the electrolytic water pipe 52 is connected to the first measurement unit 32 And the outflow pipe 311, as shown in Fig. In the electrolytic water supplied to the inflow pipe 1, the oxidizing agent acts as a bactericide to sterilize the ballast water, such as sodium hypochlorite, sodium hypochlorite, and sodium hypochlorite.

The supply valve 53 is installed in the electrolytic water supply pipe 52 and regulates the flow rate of the electrolytic water flowing through the electrolytic water supply pipe 52 under the control of the controller 6.

The controller 6 controls the overall operation of the ballast water treatment system and includes a transmission and reception unit 61, a flow rate control unit 62, a salt water supply control unit 63, an electrolysis control unit 64, (65), and the like.

The transmission and reception unit 61 receives signals from various instruments of the ballast water treatment system and controls the flow rate control unit 62, the salt water supply control unit 63, the electrolysis control unit 64, the control unit 65, Instruction is sent.

The flow rate regulator 62 controls the operation of the water intake pump 11, the intake valve 12, the intake valve 312, the extraction pump 313, and the supply valve 312, The amount of ballast water flowing into the take-out tube 311, the amount of ballast water flowing into the take-out tube 311, and the amount of electrolytic water supplied to the inflow pipe 1.

The salt water supply control unit 63 controls the operation of the salt water supply unit 33 to control the amount of salt water supplied to the extraction unit 31. The salt water supply control unit 63 includes a storage module 631, ), A brine supply determination module 633, a brine supply instruction module 634, and the like.

In the storage module 631, the amount of salt water to be supplied according to the electric conductivity and the temperature of the ballast water is stored in a tabulated form in order to generate a certain range of bactericide during electrolysis of the ballast water. In the ballast water treatment system, unlike the conventional method, the electric conductivity and the temperature of the ballast water introduced into the ballast water supply unit 33 are considered, The amount of the sterilizing agent generated in the electrolysis section 4 does not reach the reference value because the electrolysis is not smoothly performed.

The salt amount calculation module 632 obtains the amount of salt water corresponding to the electrical conductivity and temperature of the ballast water received from the first measurement part 32 from the storage module 631, And outputs information on the amount of saline to be supplied. For example, if it is assumed that the storage module 631 stores the tabulated amount of salt water to be supplied according to the electrical conductivity of the ballast water and the temperature, as shown in FIG. 4, ) Is A2 and the value of the ballast water temperature is B2, the amount of brine to be supplied will be calculated as C22. The salt water amount calculation module 632 calculates the salt water amount corresponding to the electric conductivity and the temperature received from the first measurement part 32 without calculating the amount of salt water to be supplied by the direct calculation, , It is possible to estimate the amount of the salt to be supplied quickly and to improve the supply efficiency of the salt water.

The salt water supply determination module 633 analyzes the information output from the salt water amount calculation module 632 to determine whether there is a salt water to be supplied to the extraction unit 31 and outputs the result, When the amount of the brine discharged from the module 632 is not zero, it is determined that there is a brine to be supplied to the draw-out portion 1.

When the salt water supply determining module 633 determines that there is salt water to be supplied to the extracting unit 31, the salt water supply instruction module 634 determines that the saline solution And instructs the supply unit 33 to supply a predetermined amount of brine.

The electrolysis controller 64 controls the amount of the sterilizing agent produced by the electrolyzer 41 by adjusting the voltage supplied to the electrolyzer 41 according to the signal output from the second measuring unit 35, .

The controller (65) controls the total operation of the controller (6).

1 to 5, a control method of the ballast water treatment system includes a ballast water information collecting step (S1), a ballast water collecting step (S1), and a control method of the smart electrolytic ballast water treatment system A brine supply determination and instruction step S2, a fluid supply instruction step S3, and an electrolytic water generation and supply step S4.

The ballast water information collection step S1 is a step of acquiring information on the ballast water flowing into the ship by the controller 6 and includes an influx information reception step S11 and a first measurement part data collection step S12 do.

The inflow information receiving step S11 is a step in which the transmitting / receiving unit 61 receives inflow information for allowing the ballast water to flow into the inflow pipe 1 by operating the intake pump 11.

The first measuring unit data collection step S12 may be performed such that after the influent information reception step S11, the control unit 65 transmits the ballast water number output from the first measurement unit 32 via the transmission number unit 61 And obtaining data on the values of conductivity and temperature.

The controller 6 determines whether there is any brine to be supplied by analyzing the information on the ballast water collected in the ballast water information collecting step S1 and instructs the supply of the brine A step S21 of determining a supply amount of the brine, a step S22 of determining whether or not the supply of the brine is complete, and a step S23 of instructing the supply of the brine.

The salt water supply amount calculating step S21 may be performed such that the salt water amount calculating module 632 calculates the salt water amount corresponding to the electric conductivity and temperature of the ballast water collected in the first measuring part data collecting step S21 631 and calculating the amount of the brine to be supplied to the draw-out portion 31.

The step S22 of determining whether or not the brine is supplied may include analyzing information on the amount of the brine calculated in the brine supply amount calculating step S21 so that the brine to be supplied to the extracting part 31 And if the amount of the salt water calculated in the salt water supply amount calculation step S21 is not zero, it is judged that there is a brine to be supplied to the drawer unit 1.

The brine supply instruction step S23 is a step in which the brine supply instruction module 634 calculates the brine supply amount in the brine supply amount calculating step 63 when it is determined that the brine to be supplied to the draw- S21 to supply the brine supply unit 33 with a predetermined amount of saline water according to the calculated information.

The fluid supply instruction step S3 is a step of determining whether there is no brine to be supplied to the draw-out part 31 in the brine supply judging step S22 or after the brine supply instruction step S23, 62 opens the take-out valve 312 and operates the take-out pump 313 to instruct supply of the fluid.

The electrolytic water generating and supplying step S4 controls the operation of the electrolytic unit 4 according to the data output from the second measuring unit 35 by the controller 6 after the fluid supply instruction step S3 (S41), an electrolysis directing step (S42), and an electrolytic water supply instruction step (S43), in order to generate electrolytic water and to supply the electrolytic water to the inflow pipe (1) .

The second measurement part data collection step S41 may include a second measurement part data collection step S41 of measuring the salinity of the fluid output from the second measurement part 35 via the transmission water part 61 after the fluid supply instruction step S3, And acquiring data on the value.

The electrolysis indicating step S42 is a step in which the electrolysis adjusting unit 64 adjusts the magnitude of the voltage supplied to the electrolytic bath 41 according to the data acquired in the second measuring unit data collecting step S41, To the electrolytic solution.

The electrolytic water supply instruction step S43 is a step of supplying the electrolytic water to the inflow pipe 1 by opening the supply valve 53 after the electrolysis instruction step S43.

Since the ballast water treatment system determines the amount of salt water to be supplied to the ballast water to be electrolyzed by measuring the electrical conductivity and temperature of the ballast water flowing into the ship, it is possible to supply an appropriate amount of salt water to produce an appropriate range of bactericide It is possible to maintain the optimum sterilization efficiency of the ballast water, and it is possible to prevent the supply of excess brine and to achieve economical efficiency. In addition, the ballast water treatment system may further include a control unit for controlling the ballast water to be electrolyzed according to the measured value of the ballast water There is a characteristic that the electrolysis efficiency can be improved because the salinity is corrected and the output of the electrolysis section is controlled by measuring the ballast water whose salinity has been corrected by the second measuring section.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, Should be interpreted as falling within the scope of.

1: inlet pipe 11: intake pump 12: concentration sensor
13: intake valve 14: water withdrawal amount 2: ballast tank
3: fluid supply unit 31: lead-out unit 32:
33: brine supply part 34: flow meter 35: second measuring part
311: extraction pipe 312: extraction valve 313: extraction pump
331: brine tank 332: brine supply pipe 333: brine pump
334: Brine valve
4: electrolysis section 41: electrolytic cell 42: rectifier
5: electrolytic water supply unit 51: gas separator 52: electrolytic water supply pipe
53: Supply valve
6: controller 61: transmitting / receiving unit 62:
63: brine supply control unit 64: electrolysis control unit 65: control unit
631: storage module 632: salt quantity calculation module 633: salt water supply judgment module
634: brine supply indication module

Claims (8)

A fluid supply unit for drawing a part of the ballast water from the inflow pipe or supplying the fluid to the electrolysis unit by receiving the brine water; And an electrolysis unit configured to electrolyze the fluid supplied from the fluid supply unit to generate electrolytic water including a sterilizing agent.
The fluid supply unit draws a part of the ballast water from the inlet pipe, or receives the brine from the brine supply unit to supply the fluid to the electrolysis unit, and the ballast water before moving through the inlet pipe and mixed with the electrolytic water Including a first measuring unit for measuring the conductivity and temperature, and a brine supply unit for supplying the brine of the amount calculated in accordance with the electrical conductivity and temperature measured in the first measuring unit, the ballast water to be electrolyzed Since the amount of brine to be supplied is calculated in consideration of the electrical conductivity and temperature of the ballast water, it is possible to prevent the supply of excess or excessive brine, thereby improving the efficiency of disinfectant production and improving the economic efficiency. Smart electrolysis ballast water treatment system that can be injected. The method of claim 1,
The fluid supply unit may further include a second measurement unit for measuring the salinity of the fluid flowing into the electrolysis unit,
Wherein the electrolysis unit adjusts the output according to a value of the salinity of the fluid measured by the second measuring unit. 3. The method according to claim 1 or 2,
The smart electrolysis ballast water treatment system further includes a controller,
The controller includes a storage module in which the amount of salt water to be supplied is stored in a tabulated manner according to the electrical conductivity and the temperature of the ballast water, and the amount of salt water corresponding to the electrical conductivity and temperature of the ballast water received from the first measurement portion And outputting information on the amount of salt water to be supplied to the extracting unit. The smart electrolytic ballast water treatment system according to claim 1, The method of claim 3, wherein the controller
A salt water supply determining module for analyzing the information output from the salt water amount calculating module to determine whether there is a salt water to be supplied to the extracting portion; and a salt water supply determining module for determining whether there is salt water to be supplied to the water extracting portion, Further comprising a brine supply instruction module for instructing the supply of the brine to the brine supply unit according to the information output from the quantity calculation module. 5. The method of claim 4,
The outflow pipe is connected to the inflow pipe on the rear side of the first measurement unit and supplies a part of the ballast water flowing in the inflow pipe to the electrolysis unit. The outflow pipe connected to the outflow pipe, / RTI >
Wherein the brine supply section includes a brine tank in which brine is stored, a brine supply pipe connected to the brine tank and connected to the draw pipe at the other end, and a brine pump connected to the brine supply pipe for transporting brine. Smart electrolytic ballast water treatment system capable of brine injection. A ballast water information collecting step of acquiring information on the ballast water flowing into the ship by the controller; Wherein the controller analyzes the information on the ballast water collected in the ballast water information collecting step to determine whether there is any salt water to be supplied and instructs the supply of the salt water,
The ballast water information collection step includes a first measurement part data collection step in which the control part acquires data on the values of the electrical conductivity and the temperature of the ballast water output from the first measurement part,
The salt water supply determining and indicating step is a step in which the salt water amount calculating module acquires from the storage module the amount of salt water corresponding to the electrical conductivity and temperature of the ballast water collected in the first measuring part data collecting step, Wherein the method comprises the step of calculating an amount of the brine supplied to the brine tank. 7. The method of claim 6, wherein the brine supply determination and instruction step
The brine supply determination module analyzes the information on the amount of brine calculated in the brine supply amount calculation step to determine whether there is a brine to be supplied to the extraction unit whether the brine supply or not, and the brine supply whether the extraction in the determination step And a brine supply instruction step of instructing the brine supply unit to supply a predetermined amount of brine in accordance with the information calculated in the brine supply amount estimating step when determining that there is a brine to be supplied to the department. Control method of smart electrolysis ballast water treatment system capable of optimal salt water injection. The method according to claim 6,
The control method of the smart electrolytic ballast water treatment system may further include: a fluid supply instruction step of instructing the flow control unit to supply fluid to the outlet unit after the salt water supply determination and instruction step; Wherein the controller further comprises an electrolytic water generating and supplying step of controlling the operation of the electrolytic unit according to the data output to the second measuring unit to generate electrolytic water and instructing the supply of the electrolytic water to the inflow pipe,
The generating and supplying of the electrolyzed water may include an electrolysis instruction step of instructing the electrolysis of the fluid by adjusting the magnitude of the voltage supplied to the electrolytic cell according to the data obtained by the electrolysis controller. Control method of smart electrolysis ballast water treatment system for optimal salt water injection.

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