KR20170046013A - System and Method for TRO Sensor Calibration - Google Patents

System and Method for TRO Sensor Calibration Download PDF

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Publication number
KR20170046013A
KR20170046013A KR1020150146277A KR20150146277A KR20170046013A KR 20170046013 A KR20170046013 A KR 20170046013A KR 1020150146277 A KR1020150146277 A KR 1020150146277A KR 20150146277 A KR20150146277 A KR 20150146277A KR 20170046013 A KR20170046013 A KR 20170046013A
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South Korea
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water
tro
water tank
tro sensor
sensor
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KR1020150146277A
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Korean (ko)
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이지형
서진수
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현대중공업 주식회사
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Priority to KR1020150146277A priority Critical patent/KR20170046013A/en
Publication of KR20170046013A publication Critical patent/KR20170046013A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J4/00—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for
    • B63J4/002—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for for treating ballast water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/008—Originating from marine vessels, ships and boats, e.g. bilge water or ballast water

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Toxicology (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

The present invention relates to a system and method for calibrating a total residual oxidant (TRO) sensor for calibrating a zero point of an output of the TRO sensor for detecting concentration of a TRO existing in electrolyzed water in a ship. The present invention includes: a first valve; a pump; a water tank; a branching pipe; and a second valve. Accordingly, when calibrating the zero point of the output of the TRO sensor while detecting the concentration of the TRO existing in the electrolyzed water in a manner that installs the TRO sensor in ballast water treatment facilities of the ship, the present invention can calibrate the zero point of the output of the TRO sensor without separating the TRO sensor from the ballast water treatment facilities and without using additional sample water, thereby quickly and efficiently calibrating the TRO sensor.

Description

[0001] The present invention relates to a TRO sensor calibrating system,

The present invention relates to a TRO sensor calibration for calibrating the zero point of a TRO sensor output for detecting the concentration of total residual oxidant (TRO) present in electrolyzed water in a ship, , The TRO sensor is not separated from the equilibrium water treatment facility and a separate sample number is used. In addition, when the zero point of the output of the TRO sensor is calibrated while detecting the concentration of the residual oxidizing agent present in the electrolyzed water, and more particularly to a TRO sensor calibration system and method for calibrating a TRO sensor quickly and efficiently by correcting the zero point of the output of the TRO sensor without using sample water.

In general, when the ship is operated in the ocean, the sea water is used as ballast water to maintain the equilibrium of the hull, and equilibrium of the hull is maintained by using sea water as a ballast water in the ballast water tank of the hull.

Such ballast water is filled in the ship at the port of departure and is discharged after the vessel is moved to another port of destination. As such, the ballast water used in the ship is transported from the sea at the port of departure and is discharged to the sea at another port of destination, thus causing the risk of polluting the sea in other areas.

Therefore, the water used as the ballast water in the ship is disinfected by the electrolysis method and discharged.

In the case of sterilization of water by electrolysis of water in a vessel, it is necessary to maintain a constant concentration of the total residual oxidizing agent present in the electrolyzed water in order to sterilize normally.

For this purpose, the ship detects and monitors the concentration of total residual oxidizing agent present in the electrolyzed water using a TRO sensor. As shown in FIG. 1, the electrolyzed water from the electrolyzer of the ballast water treatment plant The water is applied to the TRO sensor 4 via the filter 1, the valve 2 and the pump 3 to detect and monitor the concentration of the total residual oxidant present in the water by the TRO sensor 4. [

In order to calibrate the zero point of the output signal of the TRO sensor 4 while the TRO sensor 4 is installed on the vessel to detect and monitor the concentration of the total residual oxidant present in the electrolyzed water, The connection pipe between the TRO sensor 4 and the electrolyzer is separated and the TRO sensor 4 is connected to the sample water bottle 10 and the TRO sensor 4 4) to the output of the TRO sensor (4) so as to detect the total residual oxidant concentration of the sample water by the TRO sensor (4) while supplying the sample water at a constant flow rate The TRO sensor 4 is calibrated.

As described above, conventionally, the TRO sensor 4 is provided on the vessel to detect the concentration of the total remaining oxidant present in the electrolyzed water, The TRO sensor 4 is calibrated by disconnecting the connection pipe between the TRO sensor 4 and the electrolyzer and connecting the TRO sensor 4 to the sample water container 10 to calibrate the TRO sensor 4, It is necessary to separate the connection pipe with the electrolytic device of the ballast water treatment facility so that it takes a lot of time and work to calibrate the TRO sensor 4 and the number of samples having the specified total residual oxidant concentration should be separately purchased and used, And the total residual oxidant concentration of the sample water is changed according to the storage environment of the sample water, which makes it difficult to accurately calibrate the TRO sensor 4.

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the problems as described above, and it is an object of the present invention to provide a TRO sensor in a water equip- ment of a ship to detect the concentration of total residual oxidant present in the electrolyzed water, TRO sensor calibration for quick and efficient calibration of the TRO sensor by calibrating the zero point of the output of the TRO sensor without using a separate sample water and without separating the TRO sensor from the ballast water treatment facility when calibrating the zero point System and method.

In order to achieve the above object, the present invention provides an electrolytic apparatus comprising: a first valve for switching the flow of electrolyzed water from an electrolyzer; A pump for pressurizing and introducing the electrolyzed water into the TRO sensor; A water tank for storing the electrolyzed water; A branch pipe connecting the water tank between the first valve and the pump to introduce water from the first valve into the water tank or to introduce water in the water tank into the TRO sensor through the pump; A water inflow and outflow path to the water tank is provided so that the water flowing in from the first valve through the branch pipe flows into the water tank or the water in the water tank flows out to the TRO sensor via the pump through the pump A second valve for switching; The water of the water tank is supplied to the TRO sensor so that the TRO sensor calibrates the output zero of the TRO sensor to detect the total oxidant concentration that matches the total residual oxidant concentration of water stored in the water tank. .

According to the TRO calibration system of the present invention, the water tank has a vent hole for allowing the atmospheric pressure to act on the water storage chamber of the water tank, and an outlet for discharging water over a predetermined amount stored in the water storage chamber of the water tank.

According to the TRO calibration system of the present invention, the concentration of the residual oxidizing agent in the water stored in the water tank is detected and grasped by the portable TRO detector, the water in the water tank is supplied to the TRO sensor, The output zero of the TRO sensor is calibrated to detect the total oxidant concentration that matches the total residual oxidant concentration of water stored in the tank.

According to another aspect of the present invention, there is provided a method of manufacturing an electrolytic cell, comprising the steps of: storing a predetermined amount of electrolyzed water applied from an electrolyzer in a water tank; Detecting and identifying the total residual oxidant concentration of water stored in the water tank using a portable TRO detector; The water in the water tank is pressurized by a pump and supplied to the TRO sensor; Adjusting the zero point with respect to the output of the TRO sensor to detect a concentration of residual oxidant in the water supplied from the water tank by the TRO sensor to detect a total residual oxidant concentration equal to the total residual oxidant concentration detected by the portable TRO detector And a TRO sensor calibration method.

According to the present invention, when the zero point of the output of the TRO sensor is calibrated while the TRO sensor is installed in the equip- ment of the vessel to detect the concentration of the total residual oxidant present in the electrolyzed water, the TRO sensor is subjected to ballast water treatment The TRO sensor can be quickly and efficiently calibrated by calibrating the zero point of the output of the TRO sensor without separating it from the facility and without using a separate sample number.

1 is a view showing the use of a TRO sensor in a conventional ship.
2 is a diagram showing a TRO sensor calibration method in a conventional ship.
3 is a diagram illustrating a TRO sensor calibration system according to the present invention.
4 is a diagram illustrating a method of calibrating a TRO sensor using a TRO sensor calibration system according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Although the present invention has been described with reference to the embodiments shown in the drawings, it is to be understood that the present invention is not limited to the technical spirit and essential structure and operation of the present invention.

In the present invention, when the zero point of the output of the TRO sensor is calibrated while the TRO sensor is installed in the ship's ballast water treatment facility to detect the concentration of the total residual oxidant present in the electrolyzed water, the TRO sensor is supplied from the ballast water treatment facility And the zero point of the output of the TRO sensor is calibrated without using a separate sample number, so that the TRO sensor can be calibrated quickly and efficiently.

The TRO sensor calibration system 50 according to the present invention is implemented as illustrated in FIG. 3. The electrolytic water introduced from the electrolyzer of the ballast water treatment facility is applied to the TRO sensor 14 When the zero point of the TRO sensor 14 is to be calibrated while the concentration of the residual oxidizing agent present in the water is detected and monitored by the RTO sensor 14, the TRO sensor 14 is not disconnected from the ballast water treatment facility, The zero point of the TRO sensor 14 is separated using the water electrolyzed by the TRO sensor 14.

The TRO sensor calibration system 50 includes a filter 11, a first valve 12, a pump 13, a TRO sensor 14, a second valve 15, a branch pipe 16 and a water tank 17 .

The filter (11) filters the impurities of the electrolyzed water applied from the electrolyzer and applies the water to the first valve (12) side. The first valve 12 switches the inflow of water from the filter 11 and the pump 13 is driven by the supply of electrical energy to pressurize the water to introduce water into the TRO sensor 14. [

When the total residual oxidant concentration of the electrolyzed water is monitored by the TRO sensor 14, the water tank 17 detects the concentration of the total residual oxidant by the TRO sensor 14 and temporarily stores the discharged water And stores the electrolyzed water to be applied to the TRO sensor 14 when the TRO sensor 14 is calibrated.

The branch pipe 16 connects the water tank 17 to the first valve 12 and the pump 13 so that the electrolytic water introduced from the electrolyzer at the time of calibration of the TRO sensor 14 is supplied to the water tank 17 and supplies it to the TRO sensor 14.

The second valve 15 switches the flow of water from the electrolyzer to the water tank 17 and switches the supply of water from the water tank 17 to the TRO sensor 14. [ In addition, the water tank 17 has a ventilation hole 18 for allowing atmospheric pressure to act on its own water storage chamber and a discharge port 19 for discharging water of a predetermined amount or more stored in its own water storage chamber.

When monitoring the total residual oxidizing agent concentration of the water electrolyzed by the TRO sensor 14, the electrolyzed water flowing from the electrolyzer of the equilibrium water treatment facility is filtered through the filter 11, the first valve 12, And the pump 13 to the TRO sensor 14 to detect and monitor the concentration of the total residual oxidizing agent present in the water by the TRO sensor 14. [ At this time, the second valve (15) is in the closed state, and the water passing through the TRO sensor (14) is stored in the water tank (17) and then discharged to the outside.

When the zero point of the output signal of the TRO sensor 14 is to be corrected while the concentration of the total residual oxidizing agent present in the water electrolyzed by the TRO sensor 14 is detected and monitored, Is opened to store a predetermined amount of water supplied from the electrolyzer as a sample water in the water tank 17 and the total residual oxidant concentration (concentration) of the sample water in the water tank 17 by the portable TRO detector (not shown) Is detected and grasped.

The first valve 12 is closed and the sample water in the water tank 17 is pressurized by the pump 13 and supplied to the TRO sensor 14 while the second valve 15, Is supplied to the TRO sensor 14 via the path passing through the pump 13 to detect the total residual oxidant concentration of the supplied sample water by the TRO sensor 14 and the total remaining amount of the sample counted by the portable TRO detector The TRO sensor 14 is calibrated by adjusting the zero point with respect to the output of the TRO sensor 14 to detect the total residual oxidant concentration equal to the oxidizer concentration.

In this way, when the TRO sensor 14 is calibrated, the water applied from the electrolyzer is stored in the water tank 17 as a sample water, and the total residual oxidant concentration of the sample water stored in the water tank 17 by the portable TRO detector The TRO sensor 14 supplies the sample number of the water tank 17 to the TRO sensor 14 so that the TRO sensor 14 detects the total oxidant concentration equal to the total residual oxidant concentration of the perceived sample number 14 to calibrate the TRO sensor 14.

When the TRO sensor is calibrated using the TRO sensor calibration system 50 of the present invention as described above, the process proceeds as illustrated in FIG.

First, when monitoring the total residual oxidizing agent concentration of the water electrolyzed by the TRO sensor 14, the electrolyzed water flowing from the electrolyzer of the ballast water treatment facility is supplied to the filter 11, the first valve 12, The concentration of total residual oxidizing agent present in the water electrolyzed by the TRO sensor 14 is detected and monitored (S10) by applying the same to the TRO sensor 14 via the branch pipe 16 and the pump 13.

When the zero point of the output signal of the TRO sensor 14 is to be corrected while the concentration of the total residual oxidizing agent present in the water electrolyzed by the TRO sensor 14 is detected and monitored, Is opened to store a predetermined amount of electrolyzed water applied from the electrolyzer as a sample water in the water tank 17 (S20).

Then, the total residual oxidant concentration of the sample water stored in the water tank 17 is detected using the portable TRO detector (S30).

Thereafter, the first valve 12 is closed, the sample water in the water tank 17 is pressurized by the pump 13 and supplied to the TRO sensor 14, while the second valve 15, the branch pipe 16, And the pump 13 to the TRO sensor 14 (S40). While detecting the total residual oxidant concentration of the supplied sample water by the TRO sensor 14, the sample taken by the portable TRO detector 14 The TRO sensor 14 is calibrated (S50) by adjusting the zero point with respect to the output of the TRO sensor 14 to detect the total residual oxidant concentration equal to the total residual oxidant concentration of water.

As described above, when the TRO sensor 14 is calibrated using the TRO sensor calibration system 50 of the present invention, water applied from the electrolyzer is stored in the water tank 17 as sample water, The concentration of the total residual oxidant in the sample water stored in the tank 17 is detected and grasped so that the number of samples of the water tank 17 is supplied to the TRO sensor 14, The TRO sensor 14 is calibrated by adjusting the zero point with respect to the output of the TRO sensor 14 so as to detect the total residual oxidant concentration equal to the total residual oxidant concentration of the sample number detected by the portable TRO detector while detecting the total residual oxidant concentration .

Accordingly, since the TRO sensor 14 is calibrated as it is without needing to separate the connection pipe with the electrolyzer at the time of calibration of the TRO sensor 14, much time and work are not required for calibration of the TRO sensor 14, Since the TRO sensor 14 is calibrated using the water electrolyzed by the electrolytic water of the electrolytic cell as the sample water, the number of samples having the prescribed total residual oxidant concentration is not separately purchased and used and the economical efficiency is improved, It is very convenient to precisely calibrate the TRO sensor 14 without storing it.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. And that such modifications are within the technical scope of the present invention.

The present invention can be very usefully applied to the case where the ballast water is electrolyzed and sterilized in a ship. According to the present invention, when the zero point of the output of the TRO sensor is calibrated while the TRO sensor is installed in the equip- ment of the vessel to detect the concentration of the total residual oxidant present in the electrolyzed water, the TRO sensor is subjected to ballast water treatment The TRO sensor can be quickly and efficiently calibrated by calibrating the zero point of the output of the TRO sensor without separating it from the facility and without using a separate sample number.

11; Filter 12; The first valve
13; Pump 14; TRO sensor
15; A second valve 16; Branch engine
17; Water tank 18; Vent

Claims (4)

A first valve for switching the flow of electrolyzed water from the electrolyzer;
A pump for pressurizing and introducing the electrolyzed water into the TRO sensor;
A water tank for storing the electrolyzed water;
A branch pipe connecting the water tank between the first valve and the pump to introduce water from the first valve into the water tank or to introduce water in the water tank into the TRO sensor through the pump;
A water inflow and outflow path to the water tank is provided so that the water flowing in from the first valve through the branch pipe flows into the water tank or the water in the water tank flows out to the TRO sensor via the pump through the pump A second valve for switching;
The water of the water tank is supplied to the TRO sensor so that the TRO sensor calibrates the output zero of the TRO sensor to detect the total oxidant concentration that matches the total residual oxidant concentration of water stored in the water tank. .
The method according to claim 1,
Wherein the water tank has a vent hole for allowing atmospheric pressure to act on the water storage chamber of the water tank, and a discharge port for discharging a predetermined amount or more of water stored in the water storage chamber of the water tank.
The method according to claim 1,
Detecting a total residual oxidant concentration of water stored in the water tank by the portable TRO detector and detecting the total residual oxidant concentration of the water stored in the water tank and supplying the water of the water tank to the TRO sensor so that the TRO sensor measures the total oxygen concentration of the water stored in the water tank Wherein the output zero of the TRO sensor is calibrated to detect the oxidant concentration.
Storing a predetermined amount of electrolyzed water applied from the electrolyzer in a water tank;
Detecting and identifying the total residual oxidant concentration of water stored in the water tank using a portable TRO detector;
The water in the water tank is pressurized by a pump and supplied to the TRO sensor;
Adjusting the zero point with respect to the output of the TRO sensor to detect a concentration of residual oxidant in the water supplied from the water tank by the TRO sensor to detect a total residual oxidant concentration equal to the total residual oxidant concentration detected by the portable TRO detector And the TRO sensor calibration method.
KR1020150146277A 2015-10-20 2015-10-20 System and Method for TRO Sensor Calibration KR20170046013A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190034955A (en) * 2017-09-25 2019-04-03 (주) 테크로스 Method for measuring of total residual oxidant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190034955A (en) * 2017-09-25 2019-04-03 (주) 테크로스 Method for measuring of total residual oxidant

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