KR101769398B1 - Multi Water Monitoring Apparatus Having Antipollution - Google Patents

Multi Water Monitoring Apparatus Having Antipollution Download PDF

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Publication number
KR101769398B1
KR101769398B1 KR1020150187680A KR20150187680A KR101769398B1 KR 101769398 B1 KR101769398 B1 KR 101769398B1 KR 1020150187680 A KR1020150187680 A KR 1020150187680A KR 20150187680 A KR20150187680 A KR 20150187680A KR 101769398 B1 KR101769398 B1 KR 101769398B1
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South Korea
Prior art keywords
water quality
sensor
water
compressed air
measurement
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KR1020150187680A
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Korean (ko)
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KR20170083654A (en
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이근헌
우화제
김병렬
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(주) 휴마스
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
    • B08B7/0057—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by ultraviolet radiation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
    • 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
    • G01N33/1813—Water specific cations in water, e.g. heavy metals
    • 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
    • G01N33/1826—Water organic contamination in water
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Abstract

The present invention relates to a multinominal water quality measuring apparatus having an antifouling ability, and more particularly, to a multinomial water quality measuring apparatus capable of preventing contamination of a sensor that simultaneously measures turbidity in water, residual chlorine, dissolved oxygen, electric conductivity and hydrogen ion concentration And an item water quality measuring device.
The multi-item water quality measuring apparatus comprises: (a) a measuring water tank containing water; (b) a sensor unit comprising a plurality of water quality measurement sensors installed in the measurement water tank for measuring water quality information of the water; (c) a compressed air cleaner for spraying compressed air on the surface of the water quality measuring sensor; (d) a UV sterilizer installed in the measuring water tank to prevent biofilm formation on the surface of the water quality sensor; And (e) an electronic part for calculating a signal of the sensor part and outputting the measurement result to the outside.
When the water quality is measured using the multi-item water quality measuring device of the present invention, labor and time required for maintenance of the measurement sensor can be reduced, and thus it can be widely used in various fields such as water purification plant, sewage treatment plant, river, have.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a multi-

The present invention relates to a multinominal water quality measuring apparatus having an antifouling ability, and more particularly, to a multinomial water quality measuring apparatus capable of preventing contamination of a sensor that simultaneously measures turbidity in water, residual chlorine, dissolved oxygen, electric conductivity and hydrogen ion concentration And an item water quality measuring device.

Turbidity, residual chlorine, dissolved oxygen, electrical conductivity, hydrogen ion concentration, etc. are used as indicators for water quality such as water, wastewater, and wastewater, and these items are being measured in various fields. Recently, it is a tendency to simultaneously measure various items by modularizing the sensor capable of measuring such water quality.

Such a multi-item water quality measuring device basically includes sensors for measuring each item, a water tank for making a sensor come in contact with water, an AD converter for converting a signal of the sensor, And a microcontroller unit functioning as a control unit.

Korean Patent No. 10-1030980 discloses a method for measuring the quality of water such as temperature, pH, turbidity, residual chlorine concentration, and electrical conductivity by drawing water to be measured into a measuring instrument, When the number of measurement samples is supplied to the measurement sensor unit, the measurement sensor unit including the digital sensor conversion unit converts the sensed water quality measurement data into digital signal data and stores a unique correction factor for each sensor, When the measurement signal is transmitted to the main control unit through the digital serial communication bus, the measured data is stored in the internal memory for a predetermined period of time. At the same time, the measured data is transmitted to the serial communication line A main control unit for transmitting data to the data collection server side The water including a serial communication bus system of the sensor has been developed for measuring items.

Korean Patent Registration No. 10-0995677 discloses a water treatment system including a measurement unit having a plurality of measurement sensors for measuring water quality related information of water, a controller unit for transmitting information processed from the data acquisition unit through data communication with an external device, A multi-item multi-function water quality measurement system has been developed which is composed of an automation control unit, a power supply unit, a switch unit, and a data transmission / reception unit for performing communication and transmitting control commands to the measurement unit and the data collection unit.

The multi-item water quality measurement sensor can acquire stable data at initial installation. However, if the measurement is continued using the actual sample, the performance of the sensor may deteriorate due to the attachment of the microscopic suspension contained in the sample to the sensor or the attachment of the biofilm. Therefore, when the multi-item water quality measuring sensor is installed and operated, it is difficult to periodically clean the sensor using the human force.

The present inventors have made efforts to improve maintenance of multi-item water quality measurement sensor. As a result, when the compressed air is sprayed on the surface of the water quality sensor periodically and the surface of the water quality sensor is sterilized with a UV lamp, Can be minimized, and the present invention has been completed.

Korean Patent Registration No. 10-1030980 Korean Patent Publication No. 10-0995677

The main object of the present invention is to prevent the sensor from being contaminated by floating matters and biofilm when water quality monitoring is performed by using a water quality sensor such as turbidity, residual chlorine, dissolved oxygen, hydrogen ion concentration, electric conductivity, And to provide a multi-item water quality measuring device capable of stably obtaining data.

In order to achieve the above object, the present invention provides a water treatment apparatus comprising (a) a measuring water tank containing water; (b) a sensor unit comprising a plurality of water quality measurement sensors installed in the measurement water tank for measuring water quality information of the water; (c) a compressed air cleaner for spraying compressed air on the surface of the water quality measuring sensor; (d) a UV sterilizer installed in the measuring water tank to prevent biofilm formation on the surface of the water quality sensor; And (e) an electronic part for calculating a signal of the sensor part and sending out the measurement result to the outside.

In the present invention, the water quality measuring sensor is configured to measure the pH of the water, the oxidation-reduction potential (ORP), the dissolved oxygen (DO), the electric conductivity, the active sludge suspended solids concentration (MLSS) ), Turbidity, Sodium concentration, and residual chlorine concentration.

In the present invention, the compressed air cleaner may include an air compressor for generating compressed air; A pressure reducing valve for regulating the pressure of the compressed air generated in the air compressor; A compressed air distribution pipe for conveying compressed air; And a spray nozzle coupled to the compressed air distribution pipe for spraying the compressed air to the surface of the water quality sensor.

In the present invention, the injection nozzle of the compressed air cleaning portion is located below the sensor portion provided inside the measurement water tank.

In the present invention, the injection nozzle of the compressed air cleaning part has a spraying angle of 30 to 70 ° and is characterized in that compressed air is injected at a water pressure of 3 to 5 kg / cm 2 .

In the present invention, the UV sterilizer includes a UV lamp, and is mounted on the lower portion of the measuring water tank.

In the present invention, the electronic unit may include a signal processing conversion unit for digitizing the water quality information measured by the sensor unit; A microprocessor for processing data transmitted from the signal processing conversion unit; And a display for displaying processed data values.

In the present invention, the electronic part is characterized by adjusting the operation of the compressed air cleaning part and the UV sterilizing part.

When the water quality is measured using the multi-item water quality measuring device of the present invention, labor and time required for maintenance of the measurement sensor can be reduced, and thus it can be widely used in various fields such as water purification plant, sewage treatment plant, river, have.

1 is a schematic block diagram of a multi-item water quality measuring apparatus according to the present invention.

Hereinafter, a multi-item water quality measuring apparatus according to the present invention will be described with reference to FIG.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be interpreted as ideal or overly formal in the sense of the present invention Do not.

1, the multi-item water quality measuring apparatus according to the present invention comprises a measuring tank 10, a sensor unit 20, a compressed air cleaning unit 30, a UV sterilizing unit 40, and an electronic unit (not shown) 50). ≪ / RTI >

In the preferred embodiment of the present invention, the measuring water tank 10 contains a water sample (sample) to be measured for water quality and includes a sample inlet electric valve 12 for controlling the inflow of water, a sample drain An electrically operated valve 14 and a sample discharge manual valve 16.

The water flows into the measurement water tank 10 through the sample inlet electric motor 12 and is discharged through the sample discharge manual valve 16. When UV sterilization is performed through the sample drain electric valve 14, the water may be contained in the measurement water tank 10, or sterilization may be performed after discharging all of the water.

The sensor unit 20 includes a plurality of water quality measurement sensors for measuring water quality information of the water, and is located at an upper portion of the measurement water tank 10.

The water quality measuring sensor is a sensor for measuring water quality. The object to be measured is selected from the group consisting of hydrogen ion concentration (pH), redox potential (ORP), dissolved oxygen (DO), electric conductivity (Conductivity), active sludge suspended solids concentration , Suspended solids concentration (SS), turbidity, sodium concentration, residual chlorine concentration, and the like, but the present invention is not limited thereto.

The compressed air cleaner 30 is for removing the suspended matters by spraying compressed air on the surface of the sensor unit 20, and includes an air compressor 32 for generating compressed air; A pressure reducing valve (34) for regulating the pressure of the compressed air generated in the air compressor; A compressed air distribution pipe 36 for conveying the compressed air, and a spray nozzle 38 for spraying the compressed air to the surface of the water quality sensor. The injection nozzle 38 is coupled to the compressed air distribution pipe 36 and can be provided with the same or more than the number of the water quality sensors of the sensor unit 20. [

The compressed air injection nozzle 38 of the cleaning section is located in the inner surface of the measurement tank 10, a spray nozzle (38) has a minute angle of 30 ~ 70 °, the compressed air at a pressure of 3 ~ 5kg / cm 2 Is sprayed. When the compressed air is injected through the injection nozzle 38 located at the lower portion of the surface of the water quality measurement sensor and having a spray angle of 30 to 70 °, adhesion of floating matters and biofilm to the surface of the water quality measurement sensor can be minimized. In addition, when the water pressure of the compressed air is less than 3 kg / cm 2, the effect of removing floating matters and biofilm is insignificant. If it exceeds 5 kg / cm 2 , the wiper mounted on the turbidity sensor is broken, The membrane of the sensor may be damaged.

The UV sterilizer 40 has a structure in which a UV lamp 42 having a sterilization function is mounted in a quartz tube to prevent the biofilm from adhering to the sensor unit 20, As shown in Fig.

The electronic unit 50 includes a signal processing conversion unit 52 for digitizing the water quality information measured by the sensor unit 20; A microprocessor 54 for processing data received from the signal processing conversion unit 52; And a display 56 for displaying processed data values. The microprocessor 54 digitizes the data received from the signal processing conversion unit 52 on the basis of the preset calibration value, and then transmits the data to the display 56 or to the outside.

Further, the electronic part 50 is characterized in that the operation of the compressed air cleaning part 30 and the UV sterilizing part 40 is adjusted. That is, the microprocessor 54 may adjust the cleaning period and the cleaning time of the cleaning section 30 according to the set value through the user operating program. For example, when the measured water quality information value and the previously measured water quality information value differ by more than a predetermined value, the cleaning section 30 can be operated.

Also, the microprocessor 54 may adjust the sterilization cycle and the sterilization time of the UV sterilizer 40 according to the set value through the user operation program. For example, when the measured water quality information value and the previously measured water quality information value differ by more than a preset value, the UV sterilizer 40 can be operated.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, those skilled in the art will appreciate that such specific embodiments are merely preferred embodiments and that the scope of the present invention is not limited thereto will be. Accordingly, the actual scope of the present invention will be defined by the appended claims and their equivalents.

[Example 1]

 The samples were continuously analyzed using the multi-item water quality measuring apparatus of the present invention. To give the extreme conditions, the samples were sieved with 200 mesh sieve water from the sewage treatment plant aeration tank. The turbidity, electrical conductivity, pH, and dissolved oxygen were continuously measured for 10 days while the UV sterilized part was operated for 5 minutes once a day for 1 minute once a day, Respectively.

Item
Primary Turbidity (NTU) Electrical Conductivity (㎲ / ㎝) pH Dissolved oxygen (ppm) Day 1 12.7 495 6.3 2.15 Day 2 12.6 492 6.3 2.14 Day 3 12.5 489 6.3 2.18 Day 4 12.7 491 6.2 2.21 Day 5 12.6 492 6.2 2.19 Day 6 12.4 491 6.3 2.16 Day 7 12.4 493 6.3 2.22 Day 8 12.5 492 6.2 2.18 Day 9 12.5 493 6.3 2.19 10th day 12.6 493 6.2 2.18

From Table 1, it was confirmed that all items were measured stably during continuous measurement up to the 10th day.

[Example 2]

The turbidity, electrical conductivity, pH, and dissolved oxygen were continuously measured for 10 days in the same manner as in Example 1 except that the UV sterilization portion was not operated, and the daily average data is shown in Table 2.

Item
Primary Turbidity (NTU) Electrical Conductivity (㎲ / ㎝) pH Dissolved oxygen (ppm) Day 1 13.3 482 6.4 2.21 Day 2 13.3 481 6.4 2.23 Day 3 13.4 480 6.3 2.23 Day 4 13.5 481 6.4 2.25 Day 5 13.4 481 6.4 2.24 Day 6 13.5 482 6.4 2.18 Day 7 13.8 481 6.3 2.19 Day 8 14.2 480 6.8 2.14 Day 9 15.8 481 7.1 2.12 10th day 16.6 481 7.1 2.04

From Table 2, it can be seen that measurements from the 8th day are different from the previous measurements when only compressed air cleaners are activated.

[Example 3]

The turbidity, electrical conductivity, pH, and dissolved oxygen were continuously measured for 10 days in the same manner as in Example 1 except that the compressed air cleaning section was not operated, and the daily average data is shown in Table 3.

Item
Primary Turbidity (NTU) Electrical Conductivity (㎲ / ㎝) pH Dissolved oxygen (ppm) Day 1 16.5 476 6.3 2.28 Day 2 16.5 479 6.2 2.26 Day 3 17.4 479 6.3 2.19 Day 4 17.8 477 6.3 2.15 Day 5 18.5 478 6.2 2.14 Day 6 19.2 479 6.2 2.15 Day 7 19.9 480 6.2 2.13 Day 8 20.1 479 6.5 2.04 Day 9 20.8 478 6.7 2.02 10th day 21.6 479 7.1 2.04

From Table 3, it can be seen that when the UV sterilization section is activated, the measurement is different from the previous measurement values from the 8th day.

[Comparative Example 1]

The turbidity, electrical conductivity, pH, and dissolved oxygen were continuously measured for 10 days in the same manner as in Example 1 except that the compressed air washing section and the UV sterilizing section were not operated, and the daily average data is shown in Table 4.

Item
Primary Turbidity (NTU) Electrical Conductivity (㎲ / ㎝) pH Dissolved oxygen (ppm) Day 1 13.5 492 6.1 2.86 Day 2 14.7 491 6.2 2.74 Day 3 15.1 492 6.4 2.76 Day 4 14.5 492 6.1 2.82 Day 5 15.4 491 6.2 2.84 Day 6 16.3 490 6.8 2.79 Day 7 17.8 491 6.5 2.83 Day 8 18.8 490 6.5 2.89 Day 9 18.5 490 6.4 2.86 10th day 19.2 491 6.8 2.82

From Table 4, it can be seen that when the compressed air cleaning section and the UV sterilization section are operated, measurement is different from the previous measurement from the third day.

10: Measuring tank
12: Sample inlet flow valve
14: Sample drain electric valve
16: Sample discharge manual valve
20:
30: Compressed air cleaning section
32: Air Compressor
34: Pressure reducing valve
36: Compressed air distribution pipe
38: injection nozzle
40: UV sterilization part
42: UV lamp
50: Electronic part
52: Signal processing conversion section
54: Microprocessor
56: Display

Claims (8)

(a) a measuring water tank containing water; (b) a sensor unit comprising a plurality of water quality measurement sensors installed in the measurement water tank for measuring water quality information of the water; (c) a compressed air cleaner for spraying compressed air to the surface of the water quality sensor at a lower portion of the sensor unit; (d) a UV sterilizer installed in a lower part of the measuring water tank to prevent biofilm formation on the surface of the water quality sensor; And (e) an electronic part for calculating a signal of the sensor part and sending out a measurement result to the outside,
Wherein the measuring water tank contains water to be measured for water quality and includes a sample inlet electric valve for controlling the inflow of water, a sample drain electric valve for adjusting the discharge of the sample, and a sample discharge manual valve,
The sensor unit is located at the upper part of the measurement water tank and is configured to measure the concentration of hydrogen ions (pH), redox potential (ORP), dissolved oxygen (DO), electrical conductivity, active sludge suspended solids concentration (MLSS) (SS), Turbidity, Sodium concentration and residual chlorine concentration,
Wherein the compressed air cleaner comprises: an air compressor for generating compressed air; A pressure reducing valve for regulating the pressure of the compressed air generated in the air compressor; A compressed air distribution pipe for conveying compressed air; And a spray nozzle coupled to the compressed air distribution pipe for spraying the compressed air to the lower surface of the water quality sensor, wherein the spray nozzle of the compressed air cleaner is located below the sensor unit installed in the measurement water tank, It has a spray angle of 30 ~ 70 °. It has the effect of removing floating matters and biofilm, so that the wiper attached to the turbidity sensor is broken or the membrane of the pH sensor and the sodium ion sensor is not damaged. The compressed air is injected at a water pressure of ~ 5 kg /
The UV sterilizer is located below the compressed air cleaning section and has a sterilizing UV lamp mounted in a quartz tube.
The electronic part adjusts the operation of the compressed air cleaning part and the UV sterilizer, and includes a signal processing conversion part for digitizing the water quality information measured by the sensor part; A microprocessor for processing data transmitted from the signal processing conversion unit; And a display for displaying processed data values,
Wherein the microprocessor adjusts the operation so that the cleaning unit and the UV sterilizer are operated when the measured water quality information value and the previously measured water quality information value differ by more than a preset value. delete delete delete delete delete delete delete
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102172981B1 (en) 2020-06-02 2020-11-04 주식회사 모리트 Smart sewage treatment Operation System
KR102178914B1 (en) 2020-05-26 2020-11-13 에스와이테크놀러지 주식회사 Non-point pollution source sampling tank
KR102183652B1 (en) 2020-06-01 2020-11-27 에이티티(주) Apparatus for washing sensor of water quality measuring apparatus
KR20230026731A (en) 2021-08-18 2023-02-27 한국중부발전(주) Smart water quality management measurement system for high-quality water quality management in thermal power plants
KR20230026740A (en) 2021-08-18 2023-02-27 한국중부발전(주) Smart sensor for high-quality water quality management in thermal power plants

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KR102089214B1 (en) * 2019-06-19 2020-03-16 (주)아름다운환경 Cleaning device for dissolved oxygen measuring sensor at sewage treatment plant
KR102214543B1 (en) * 2020-07-01 2021-02-10 에이티티(주) Measuring device of Multi-item water quality
KR102562303B1 (en) * 2022-11-23 2023-08-01 주식회사 워터아이즈 apparatus for Measuring sewage water quality and control method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110056276A1 (en) * 2009-09-09 2011-03-10 Hach Company Anti-fouling submersible liquid sensor and method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110056276A1 (en) * 2009-09-09 2011-03-10 Hach Company Anti-fouling submersible liquid sensor and method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102178914B1 (en) 2020-05-26 2020-11-13 에스와이테크놀러지 주식회사 Non-point pollution source sampling tank
KR102183652B1 (en) 2020-06-01 2020-11-27 에이티티(주) Apparatus for washing sensor of water quality measuring apparatus
KR102172981B1 (en) 2020-06-02 2020-11-04 주식회사 모리트 Smart sewage treatment Operation System
KR20230026731A (en) 2021-08-18 2023-02-27 한국중부발전(주) Smart water quality management measurement system for high-quality water quality management in thermal power plants
KR20230026740A (en) 2021-08-18 2023-02-27 한국중부발전(주) Smart sensor for high-quality water quality management in thermal power plants

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