KR101159120B1 - Medulla meter system using controller for controlling and supervising water analysis of generating water - Google Patents

Abstract

PURPOSE: An integrated type water quality measuring system is provided to monitor and manipulate power plant facilities. CONSTITUTION: An integrated type water quality measuring system comprises: a case(10); a measuring unit having a first measuring unit(110) for measuring temperature and pressure of power generation water and a second measuring unit(120) for measuring information relating to the power generation water; a data collection unit(200) for integrally collecting temperature, pressure, and water quality information of the power generation water; a display unit(300) for calculating and displaying integrated information in a digital method; and a controller(400) for generating alarm signal.

Description

MEDULLA METER SYSTEM USING CONTROLLER FOR CONTROLLING AND SUPERVISING WATER ANALYSIS OF GENERATING WATER}

The present invention relates to an integrated water quality measurement system using a controller for controlling and monitoring water quality measurement for power generation.

In general, power generation equipment used in the power plant depends on the output, but consists of Units 1-8. In addition, the power generation water supply line for each unit is equipped with a pretreatment facility and a water quality measuring instrument in a sample rack of up to 14 lines. Therefore, such power generation equipment is the most important equipment in determining whether it can be used as power generation water.

In this power supply line of water, the water quality measurement device is used for temperature measurement, hydrogen ion measurement, chemical oxygen demand measurement, suspended solids measurement, total nitrogen measurement, total phosphorus measurement, which are used in water quality control, water quality monitoring and control. To measure the amount of chlorine.

Such a conventional water quality measurement device is configured to measure water quality using a water quality measurement device configured individually for each measurement item.

However, in order to measure the characteristics of various components of water quality and various items, the water quality measuring devices for each item are individually measured, which leads to the complexity of the measurement and the cost of purchasing and operating a plurality of water quality measuring devices. There was a lot of problems.

In addition, the conventional water quality measurement device is manufactured and sold in most foreign technologies, the purchase and procedures are complicated, there was a point that is difficult to repair due to abnormal occurrence and failure.

In addition, the conventional water quality measuring device has a problem that not only it is difficult to operate using foreign products, but also that the manager and the measurer who own the manual are not able to handle it and thus cannot be used universally. As a result, it is necessary for people other than the manager and the measurer to operate easily, and there is an urgent need for a water quality measuring device that can be supplied and used at a low cost and easy maintenance and maintenance by using a water quality measuring device made with domestic technology. to be. Persons other than the administrator and the measurer who owned the manual were not able to handle them, so there was a problem that they could not be used universally. As a result, it is easy for people other than the manager and the measurer to operate, and there is an urgent need for a water quality measuring device that can be supplied and used conveniently and economically at low cost by using water quality measuring devices made with domestic technology. Situation.

Accordingly, in order to solve the above problems, the present invention is to monitor the power generation facilities in one system by building a controller and a measuring device installed per unit of the power generation facilities as one integrated system through PLC monitoring and control It is an object of the present invention to provide an integrated water quality measurement system using a controller for controlling and monitoring power generation water quality measurement, which is operable and enables water quality analysis of power generation water.

It is an object of the present invention to provide an integrated water quality measurement system using a controller for controlling and monitoring water quality of power generation, in which a measuring method is simple and the measurement time can be shortened by acquiring data of power generation water in a single measurement. It is done.

In order to achieve the above object, an integrated water quality measurement system using a controller for controlling and monitoring water quality measurement for power generation according to the present invention includes a case; Located at the bottom of the case, and including a plurality of temperature sensors and pressure sensors to measure the temperature and pressure of the power generation water, pH, conductivity (Conductivity), Turbidity (Turbidity), sodium ( Sodium), including a plurality of sensors for detecting the water quality related information of the silica (Silica) comprises a second measuring unit for measuring the water quality information of the power generation water, the cell block of the first measuring unit and the second measuring unit A measuring unit formed of racks and formed to be separated from each other through partition walls; A data collector configured to be connected to a rack of the measurement unit and configured to integrally collect temperature and pressure and water quality related information of the power generation water measured; A display unit connected to the data collection unit for digitally calculating and displaying the collected integrated information and operating in a touch screen manner; And connected to the measuring unit and the data collection unit receives the collected integrated information and transmits a control command through a PLC, and receives information on the temperature and pressure of the power generation water and compares with the information about the predetermined temperature and pressure And a controller for generating an alarm signal. The integrated water quality measurement system using a control and monitoring controller for power generation water quality measurement, comprising: a central processing unit for processing for automatic control of communication, operation, and information storage. Device; A graphic processing device which performs signal processing for outputting results with input of information, text and picture information; A USB communication unit for providing integrated information from the central processing unit to an external computer and editing and controlling the PLC from the external computer; A storage unit for storing the integrated information; A power supply unit supplying power to the controller; An alarm signal generator configured to receive information on the temperature and pressure of the power generation water and generate an alarm signal by comparing the preset temperature and pressure information; A signal input unit which receives an analog signal of the integrated information generated from the measurement unit and the data collection unit and processes the analog signal into a digital signal; And a signal output unit outputting the processed digital signal to a control signal through a PLC. The measuring unit includes a high temperature (0 to 600 ° C.) and a high pressure (0 to 200 kg / cm 2) input to a withdrawal pipe. ) Is first cooled to below 0 ~ 60 ℃ using a primary heat exchanger, and the pressure of the cooled water is detected in real time through a first pressure sensor and transmitted to the first measuring unit, and the first cooled water While passing through the decompression valve again to reduce the pressure of water to 0 ~ 1kg / ㎠ or less, and detects the temperature of the first cooling and the reduced water in real time through a first temperature sensor and transmits to the first measuring unit, the 1 The secondary cooled and decompressed water is secondary cooled to 0-30 ° C. or lower by a secondary heat exchanger, and the secondary cooled water measures the temperature and pressure in real time through the second temperature sensor and the second pressure sensor to measure the first. And the secondary cooled water passes through an orifice Low temperature, low pressure water is supplied to the sample rack (sample rack), the water quality measuring sensor and measuring device installed in each line of the sample rack is characterized in that it is operated to measure the state of the supplied water and transmit to the second measuring unit do.

In addition, the present invention is characterized in that it further comprises a power generation water monitoring display unit connected to the controller, having a camera to monitor the site of the power generation water.

In addition, the present invention is characterized in that the first measuring unit includes a plurality of temperature sensors and pressure sensors.

In addition, the present invention, the second measurement unit, characterized in that it comprises a plurality of sensors for detecting the water quality related information, such as pH, Conductivity, Turbidity, Sodium, Silica, etc. do.

On the other hand, the present invention is characterized in that the data collection unit is further provided with an information log connected to enable output of the collected integrated information in real time.

In addition, the present invention is characterized in that the upper portion of the case is connected to the measuring unit is provided with a switch unit for turning on and off the measurement operation of the integrated information of the power generation water.

As described above, according to the present invention, since the controller and the measuring device installed per unit of power generation equipment are constructed as one integrated system through PLC monitoring and control, the power generation equipment can be monitored and operated in one system. This enables the analysis of water quality of power generation water.

According to the present invention, the measurement method is simple and the measurement time can be shortened by acquiring data of power generation water in a single measurement.

Specific matters other than the problem to be solved, the problem solving means, and the effects of the present invention as described above are included in the following embodiments and the drawings. Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. Like reference numerals refer to like elements throughout.

1 is a block diagram showing the structure of an integrated water quality measurement system using a control and monitoring controller for power generation water quality measurement according to the present invention.
Figure 2 is a front projection showing the structure of the integrated water quality measurement system using a control and monitoring controller for power generation water quality measurement according to the present invention.
Figure 3 is a view showing the internal connection structure of the integrated water quality measurement system using a control and monitoring controller for power generation water quality measurement according to the present invention.
4 is a view showing a field connected to the integrated water quality measurement system using a controller for control and monitoring of power generation water quality measurement according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood, however, that the appended drawings illustrate the present invention in order to more easily explain the present invention, and the scope of the present invention is not limited thereto. You will know.

1 is a block diagram showing the structure of the integrated water quality measurement system using a control and monitoring controller for power generation water quality measurement according to the present invention, Figure 2 is a control and monitoring controller for power generation water quality measurement according to the present invention 3 is a front projection view showing the structure of the integrated water quality measurement system, and FIG. 3 is a diagram illustrating an internal connection structure of the integrated water quality measurement system using a controller for controlling and monitoring water quality measurement for power generation according to the present invention.

As shown in Figures 1 to 3, the integrated water quality measurement system using a control and monitoring controller for power generation water quality measurement according to the present invention, the case 10, the measuring unit 110, 120, the data collection unit ( 200), the display unit 300, and the controller for controlling and monitoring the water quality of the power generation water (hereinafter referred to as a controller 400).

The case 10 is formed of a metal material, and is formed in a rectangular box shape in which all sides except the front surface are closed, and the case 10 is formed on the open front surface by forming a glass door 11 that is opened and closed in a swinging manner. It is configured to be able to observe the inside. And, the lower bottom surface of the case 10 is installed so that the caster 12 for ease of movement can be easily moved by a measurer or manager on a flat surface. In addition, the upper part of the case 10, the switch unit 600 is connected to the measurement unit (110, 120) for turning on and off (ON-OFF) each operation for measuring the integrated information of the power generation water.

The measuring units 110 and 120 are configured to be positioned below the inner space of the case 10. Specifically, the measuring units 110 and 120 include a first measuring unit 110 for measuring the temperature and pressure of the power generation water, and a second measuring unit 120 for measuring the water quality related information of the power generation water. .

The first measuring unit 110 includes a plurality of temperature sensors (T1 (34b), T2 (43a)) and a plurality of pressure sensors (P1 (34a), P2 provided in a field outside the case 10). (43b)), through which the temperature and pressure of the power generation water is measured (see FIG. 3). The second measuring unit 120 includes water quality information of power generation water installed in a field outside the case 10, that is, pH, conductivity, turbidity, sodium, silica, and the like. It includes a plurality of sensors 50 for measuring the water quality related information, through which the water quality information of the power generation water is measured. In addition, it is connected to a solenoid valve that performs inflow and discharge of power generation water, and thereby detects the inflow and discharge state of power generation water. In the present invention, the plurality of temperature sensors T1 (34b, T2 43a) and the pressure sensors P1 (34a, P2 43b) constituting the first measuring unit 110 and the second measurement Although a plurality of sensors 50 for measuring water quality-related information constituting the unit 120 are illustrated and described in a field outside the case 10, the present invention is not limited thereto. It may be provided in the interior of (10). In addition, the plurality of sensors (T1 (34b), T2 (43a), P1 (34a), P2 (43b)) used in the present invention may be formed differently according to the measurement target item, in the present invention According to the number, the cell blocks of the measuring units 110 and 120 are formed to be divided by the partition wall. Therefore, each of the cell blocks constituting the first measuring unit 110 and the second measuring unit 120 is composed of a device called a rack, so that the temperature, pressure, pH, conductivity of power generation water, It is formed to be divided into items of water quality related information such as turbidity, sodium, silica, and the like. That is, the rack is configured such that each measurement target item is connected to other sensors in a 1: 1 manner and receives the measurement results measured by the sensors. This rack is composed of a power switch (not shown in the figure) and a connection jack to receive data from the sensors in the serial transmission method. And, the measuring unit 110, 120 is configured to enable simple and quick repair and replacement using a card type board that is easy to assemble and dismantle.

The data collection unit 200 is connected to the measurement unit (110, 120) and collects the temperature and pressure and water quality related information of the power generation water measured. That is, the data collection unit 200 is connected to the rack of the measuring unit 110, 120 is configured as a rack device for collecting the temperature and pressure and the water quality related information of the measured power generation. That is, the data collection unit 200 serves as a repeater connecting the measurement units 110 and 120 and the display unit 300, and integrates the data transmitted to the racks of the measurement units 110 and 120 to display the unit 300. ) To transmit data in a fast and stable state.

In addition, the data collection unit 200 is further provided with an information log 210 connected to output the collected integrated information in real time. At this time, the information log 210 is connected to the rack of the data collection unit 200 is configured to output the data collected in the rack in a real-time graph method. The information log 210 is operated by a serial multi-transmission method, and is directly connected to the rack of the data collection unit 200 to receive and record data.

The display unit 300 is configured as an LCD (LCD) type monitor, and is connected to the data collection unit 200 to digitally calculate and display the collected information, and to operate the integrated water quality display using a touch screen method. Negative (hereinafter referred to as a display). The display unit 300 is configured to perform all function control and setting change, status information, alarm contents, monitoring and trend view, and measurement data view function of the integrated system, and can be used regardless of the user's operation ability. do. Although not shown, the display unit 300 displays channels indicating a plurality of measurement data, and each channel displays a window for displaying each measurement item, measurement value, normal and abnormal, or calibration, setting change, and data. Button and the like.

The controller 400 is connected to the measuring unit 110 and 120 and the data collection unit 200 receives the integrated information collected and transmits a control command through the PLC, and receives information about the temperature and pressure of the power generation water The alarm signal is generated by comparing the information about the set temperature and pressure. In addition, the controller 400, the central processing unit 410 in charge of the processing for the automatic control of communication, operation and information storage, and graphics for performing signal processing for outputting results with input of information, text and picture information Provides the integrated information from the processing unit 420, the central processing unit 410 to the external computer 20, the USB communication unit 430 to edit and control the PLC from the external computer 20, and stores the integrated information Storage unit 440; The power supply unit 450 for supplying power to the controller 400 and the alarm signal generator 460 receiving the information on the temperature and pressure of the power generation water and comparing the information on the preset temperature and pressure to generate an alarm signal. And a signal input unit 470 which receives an analog signal of the integrated information generated from the measuring units 110 and 120 and the data collecting unit 200 and processes the analog signal into a digital signal, and outputs the control signal to the PLC. And a signal output unit 480. In this case, the USB communication unit 430 is connected to an external computer (for example, a Norwegian PC) through a USB cable, so that the PLC software can be edited to monitor the power generation facilities and the measuring devices at once.

In addition, the power generation water monitoring display unit connected to the controller 400 via an RS-422 cable is installed.

4 is a view showing a field connected to the integrated water quality measurement system using a control and monitoring controller for power generation water quality measurement according to the present invention.

As shown in Figure 4, in one line for measuring the water quality of the power generation water, the ultra-pure water high temperature (0 ~ 600 ℃) and the high pressure (0 ~ 200kg / ㎠) in the input (Pipe) Water is first cooled by the primary heat exchanger (30) below 0 ~ 60 ℃, the pressure of the cooled water is the first pressure sensor 34a (pressure sensor capacity is 4 ~ 20mA or 1 ~ 5V Is detected in real time and transmitted to the first measurement unit 110. Then, the controller 400 compares the transmitted value with the set value and generates an upper limit and a lower limit alarm. On the other hand, the inlet valve 31 and the discharge valve 32 for controlling the inlet and outlet of the water is disposed at the front and rear ends of the primary heat exchanger (30). At this time, the first cooled water is passed through the pressure reducing valve 35, the pressure of the water to reduce the pressure to 0 ~ 1kg / ㎠ or less, the temperature of the first cooling and the reduced water in real time through the first temperature sensor (34b) Is detected and transmitted to the first measuring unit 110. At this time, the controller 400 compares the temperature of the transmitted water with a set set value, and generates an upper limit and a lower limit alarm.

The first cooled and depressurized water is cooled to 0 to 30 ° C. or lower by a second heat exchanger 40, and the cooled final water is used to control the temperature and pressure of the second temperature sensor 43a and the second pressure sensor 43b. Real-time detection through the to transmit to the first measurement unit 110. On the other hand, the inlet valve 41 and the discharge valve 42 for controlling the inlet and outlet of the water is disposed at the front and rear ends of the secondary heat exchanger (40). At this time, the controller 400 generates an upper limit and a lower limit alarm by comparing the temperature and pressure of the water with a set set value. The second cooled water is then passed through an orifice (40, flowmeter orifice) into low temperature, low pressure ultrapure water and fed to a sample rack.

At this time, the sensors and measuring devices for measuring pH, Conductivity, Tubidity, Sodium, Silica, etc., which are installed in each line of the sample racks, are measured by the second measuring unit 120. send.

As described above, according to the present invention, it is possible to monitor and operate the power generation equipment through a system including a controller for monitoring and controlling the PLC, and to analyze the water quality of the power generation water, thereby measuring the data of the power generation water in a single measurement. It can be obtained, the measuring method is simple and the measurement time can be shortened.

As described above, it is to be understood that the technical structure of the present invention can be embodied in other specific forms without departing from the spirit and essential characteristics of the present invention.

Therefore, the exemplary embodiments described above are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the following claims rather than the detailed description, and the meaning and scope of the claims and their All changes or modifications derived from equivalent concepts should be construed as being included in the scope of the present invention.

10: case 11: glass door
100: measuring unit 200: data collection unit
210: information logging device 300: display unit
400: data collection unit 410: central processing unit
420: graphics processing unit 430: USB communication unit
440: storage unit 450: power supply unit
460: alarm signal generating unit 470: signal input unit
480: signal output unit 500: power generation water monitoring display

Claims (6)

Case 10;
Located at the bottom of the case 10, including a plurality of temperature and pressure sensors, the first measuring unit 110 for measuring the temperature and pressure of the power generation water, pH, conductivity (conductivity), turbidity (Turbidity), including a plurality of sensors for detecting the water quality information of sodium (Sodium), silica (Silica) comprises a second measuring unit 120 for measuring the water quality information of the power generation water, the first Cell measuring blocks 110 and 120 of the measuring unit 110 and the second measuring unit 120 is formed of a rack (Lack) to be separated from each other through the partition wall;
A data collection unit 200 connected to the racks of the measurement units 110 and 120 and configured as a rack device for integrally collecting the measured temperature and pressure and water quality related information of the power generation water;
A display unit 300 connected to the data collection unit 200 to digitally calculate and display the collected integrated information and operate in a touch screen manner; And
Connected to the measuring unit 110 and 120 and the data collection unit 200 receives the collected integrated information and transmits a control command through a PLC, and receives a preset temperature by receiving information about the temperature and pressure of the power generation water And a controller 400 for generating an alarm signal in comparison with the information on the pressure; and an integrated water quality measurement system using a controller for controlling and monitoring the water quality measurement for power generation.
The controller 400 includes a central processing unit 410 in charge of processing for automatic control of communication, operation and information storage; A graphic processing unit 420 which performs signal processing for inputting information, outputting results with text and picture information; A USB communication unit 430 for providing integrated information from the central processing unit 410 to an external computer 20 and editing and controlling the PLC from the external computer 20; A storage unit 440 for storing the integrated information; A power supply unit 450 for supplying power to the controller; An alarm signal generator 460 which receives information on the temperature and pressure of the power generation water and generates an alarm signal by comparing the preset temperature and pressure information; A signal input unit 470 which receives an analog signal of the integrated information generated from the measurement unit 110 and 120 and the data collection unit 200 and processes the analog signal into a digital signal; And a signal output unit 480 for outputting the processed digital signal to a control signal through a PLC.
The measurement unit 110, 120, 0 ~ 60 by using the primary heat exchanger 30 to the water of high temperature (0 ~ 600 ℃) and high pressure (0 ~ 200kg / ㎠) input to the withdrawal pipe (Pipe) After the first cooling to below ℃, the pressure of the cooled water is detected in real time through the first pressure sensor 34a and transmitted to the first measuring unit 110, and the first cooled water is again reduced pressure valve (35) While passing through), the pressure of the water is reduced to 0 ~ 1kg / ㎠ or less, the temperature of the primary cooling and reduced pressure is detected in real time through the first temperature sensor 34b and transmitted to the first measuring unit 110 and,
The first cooled and decompressed water is secondly cooled to 0 to 30 ° C. or less by a second heat exchanger 40. Real-time detection through the sensor 43b is transmitted to the first measuring unit 110, the second cooled water passes through the orifice (flowmeter orifice) 40, the low temperature, low pressure water to the sample rack (sample rack) Supplied,
Water quality measurement sensors (50a, 50b, 50c) and the measuring device installed in each line of the sample rack is operated to measure and transmit the state of the supplied water to the second measurement unit 120, control and monitoring of water quality measurement for power generation water Integrated water quality measurement system using controller. delete delete delete The method of claim 1,
The data collector 200 further includes an information log 210 connected to output the collected integrated information in real time.
Integrated water quality measurement system using control and monitoring controller for power quality water measurement. The method of claim 1,
In the upper portion of the case 10, the switch unit 600 is formed to be connected to the measurement unit (110, 120) to turn on and off the measurement operation of the integrated information of the power generation water,
Integrated water quality measurement system using control and monitoring controller for power quality water measurement.

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