JP7392373B2 - water treatment management system - Google Patents

Description

The present invention relates to a water treatment management system for managing the operation of water treatment equipment, and particularly relates to a water treatment equipment management system that executes a process of transporting test water sampled in the water treatment equipment to a water quality measuring institution. .

Patent Documents 1 and 2 disclose systems that analyze the operating state of water treatment equipment from sensing information and manual analysis information, and provide advice and maintenance information to maintain the appropriate operating state. In Patent Document 1, operating status data of a control unit of a water treatment facility is transmitted to a management unit. In addition, test water is sampled at the water treatment facility and sent to the analysis center, and the analysis data from the analysis center is sent to the management department.
Patent Document 3 discloses means for transmitting real-time data to an analysis system in order to analyze sampled water in real time. Patent Document 4 discloses a small-sized online water quality meter, and paragraphs 0003 and 0004 of the document state that it continuously measures the quality of water distribution and periodically transmits a signal to the center using a telemeter. It is described that water quality measurement by manual analysis or off-line measurement using a portable water quality meter is performed as a means of measuring the quality of water distributed on the consumer side.

Patent Documents 5 and 6 disclose that water quality is monitored with a sensor installed in water treatment equipment, and when an abnormality occurs in the sensor detection value, the test water is automatically sampled and the test water is analyzed in detail. , it is described that the value is compared with the sensor detection value.

Japanese Patent Application Publication No. 2001-265428 Japanese Patent Application Publication No. 2001-265426 Special table 2018-526614 publication Japanese Patent Application Publication No. 2000-275241 Japanese Patent Application Publication No. 11-6826 JP2009-192340A

In the past, sensing data and sampling data were sent online to analysis equipment to analyze operating conditions, or detailed analysis of operating conditions was performed based on data analyzed manually.

In order to analyze sampled water, facility managers and analysts must collect the sampled water in a timely manner. If a manager or person in charge directly samples, it is not possible to collect water in real time when an abnormality occurs in the equipment. Even when sampling is done using automatic sampling means, there is no way to know when sampling will take place in case of abnormalities that suddenly occur, and as a result, the sampled water may be left unattended for two days or even a week after being collected. Sometimes the water quality changed.
An object of the present invention is to provide a water treatment management system that generates a signal instructing that test water collected at a water treatment facility should be transported to an inspection institution.

The water treatment management system of the present invention includes a water treatment facility, a sensor provided in the water treatment facility, a sampling means for test water provided in the water treatment facility, and a means for transporting the sampled test water. and an abnormality determining means for determining whether or not the detected value of the sensor is abnormal; and based on the abnormality determination result of the abnormality determining means, giving a sampling operation command signal to the sampling means and giving a transport command to the transporting means. and a means for giving a signal.

One aspect of the present invention includes an analysis center that receives and analyzes the test water from the transport means, and a comparison means that compares the analysis data transmitted from the analysis center with the detected value of the sensor.

One aspect of the present invention includes a storage means for storing at least operation data of the water treatment equipment including detection value data of the sensor and comparison result data of the comparison means.

One aspect of the present invention includes an alarm generation means for generating an alarm based on the comparison result of the comparison means.

According to the present invention, test water is automatically sampled at the water treatment facility, and an instruction signal is generated indicating that the sampled test water should be transported, so that the test water can be tested at the testing institution without delay. It can be carried out.

FIG. 1 is a block diagram showing an embodiment. FIG. 1 is a block diagram showing an embodiment.

DESCRIPTION OF THE PREFERRED EMBODIMENTS A water treatment management system according to an embodiment of the present invention will be described below with reference to the drawings. The water treatment management system according to this embodiment monitors the operating status of water treatment equipment 1 consisting of a cooling water system or a boiler water system at the site where the water treatment equipment 1 is installed, for example, as shown in FIG. The system is configured to be managed by a management center 2 located at a location different from that of the management center 2. The management center 2 and the water treatment equipment 1 are connected via a predetermined communication line 3 such as the Internet or a telephone line, and the management center 2 collects information indicating the operating status of the water treatment equipment 1 via the communication line 3. It is configured as follows.

Although only one water treatment facility 1 managed by the management center 2 is shown here, there are generally a plurality of water treatment facilities 1 installed at different locations. The management center 2 individually manages the operating status of each water treatment facility 1 while collecting information indicating the operation information from each water treatment facility 1 via the communication line 3.

Basically, as shown in FIG. 2, the water treatment equipment 1 supplies treated water supplied from a water supply tank 13 to a boiler/cooling tower 14 by a pump 12 driven under the control of a control panel 11. It is configured to perform predetermined water treatment (heat exchange). Then, according to water quality information, slime scale information, etc. detected by various sensors 15 (15a to 15d) incorporated in the boiler/cooling tower 14 and its piping system, the control processing unit 10 supplies slime remover etc. to the water system to be treated. The device is configured to inject (medicine injection) a medicinal solution.

The control processing unit 10 includes a pump 22 that injects a chemical solution prepared in a chemical tank 21 into the water system to be treated, a sensing unit 23 that detects the quality of the water to be treated, etc. via various sensors 15 (15a, to 15f), The device includes a CPU 24 and the like that controls the operation of the pump 22, that is, the chemical injection according to the information detected by the sensing unit 23. Then, the CPU 24 controls the chemical injection operation according to processing operation instructions inputted from the operation unit 25 such as a keyboard, set values (control parameters) indicating chemical injection control conditions registered in the memory 26, and the like. Furthermore, by operating the communication terminal 27, the CPU 24 has a function of notifying the management center 2 of the sensing information detected as described above, the operating state of the control processing section 16, etc. via the predetermined communication line 3. We are prepared.

The management center 2 is mainly composed of a management section 4 in which various processing functions are constructed using a computer. This management unit 4 has a data function that periodically collects information indicating the operating status (equipment operation information) from the water treatment equipment 1 via the above-mentioned communication line 3, and a data function that periodically collects information indicating the operating status of the water treatment equipment 1 (equipment operation information), and according to the collected equipment operation information. Equipped with an operating state monitoring function that monitors the operating state of 1. The management center 2 also has a database 5 in which information on equipment specifications such as the above-mentioned boiler/cooling tower 14 type of the water treatment equipment 1 to be managed is registered in advance, and information on equipment specifications that occur in various operating states of various equipment. A database 6 is provided in which information on malfunctions and the like, as well as information on cases such as optimal maintenance methods applied to the malfunctions, is registered.

When the water treatment equipment 1 is a cooling water system, the equipment operation information collected by the management unit 4 from the water treatment equipment 1 includes information on timer chemical injection and batch chemical injection as the equipment function, and information on chemical injection as the equipment information. It consists of information such as amount, operating time, electrical conductivity, blowing amount, water supply amount, polymer concentration and chloride ion concentration of treated water, information on slime and scale generated in treated water, and information on dirt. In addition, if the water treatment equipment 1 is a boiler water system, the equipment functions include chemical injection information and dilution information according to the water supply amount and temperature, and the equipment information includes the chemical injection amount, operating time, electrical conductivity, blow It consists of information such as the amount of water supplied, the amount of water supplied, and the amount of soft water and water hardness, which is a factor in scaling.

The operating state monitoring function provided in the management unit 4 periodically collects the equipment management information as described above at a predetermined period, and sequentially recognizes the operating state of the water treatment equipment 1 according to the equipment management information, and detects abnormalities, for example. Changes in the operating state are successively managed by detecting or predicting the occurrence of a malfunction, monitoring the remaining amount of chemical solution in the chemical injection tank 21, etc.

The management unit 4 obtains from the analysis center 7 the analysis results of the test water collected by the sampling device 30 from the water treatment equipment 1 and transported to the analysis center 7 by the transportation means 31, and performs the water treatment according to the analysis results. It has an operating state analysis function that analyzes the operating state of the equipment 1. The analysis center 7 has the role of electrically or chemically analyzing samples of treated water collected from the water treatment equipment 1 qualitatively and quantitatively to examine the quality of the water. It has been established as an independent organization from the Center and Management Center 2. At the analysis center 7, for example, upon a request from the management center 2, samples of treated water collected at the water treatment facility 1 are analyzed, and the analysis result data is compiled and sent to the management center 2. plays that role.

The operating state analysis function in the management unit 4 takes in the analysis results of the treated water (material to be treated) collected from the water treatment equipment 1, which are reported from the analysis center 7 in this way, and analyzes and evaluates the analysis results. By doing so, the operating state of the water treatment equipment 1 is analyzed, and the overall trend of the operating state of the water treatment equipment 1 is investigated based on the analysis results. In addition, this operating state analysis function allows the water treatment equipment 1 to determine the target value (water quality) at which processing is controlled according to the various sensing information described above and the water quality actually obtained in the water treatment equipment 1 in order to meet the predetermined water quality standards. Evaluations such as determining the deviation between the

In addition to the operating state monitoring function and operating state analysis function, the management section 4 further performs the above-mentioned calculations while referring to information such as equipment specifications and cases stored in the databases 5 and 6, respectively. It has an information presentation function that creates information (value information) useful for operating the water treatment equipment 1 according to the operating state of the water treatment equipment 1 and presents this information to the water treatment equipment 1. Information (value information) useful for operating the water treatment equipment 1 is obtained by analyzing the above information while referring to the databases 5 and 6, rather than the collected information indicating the operating status or the analysis results themselves as described above. It consists of information that has been processed (processed information). Specifically, the main sensing information focused on when evaluating the operating state of the water treatment equipment 1, its control target value, the type (form) of work required to maintain the water treatment equipment 1, and its maintenance procedure. , and further includes information such as setting change values of various control targets.

When the detection value of one of the sensors 15a to 15d that measures water quality exceeds a predetermined value or deviates from a predetermined range, the CPU 24 analyzes the analysis data of the test water collected from the water system and the sensor detection. In order to compare the values, a sampling command signal is given to the sampling means 30 via the signal line 32, and the test water is sampled into a sampling container. Further, the CPU 24 gives a transport command signal to the transport means 31 via the signal line 33 to transport the container containing the sampled test water to the analysis center 7 .

Note that the transportation means may be a conveyor, a transportation robot, or the like, or may be a person. When the conveyance means is a conveyor, robot, etc., a conveyance command signal is given to the controller thereof. When the transportation means is a person, a transportation command signal is given to the person's mobile terminal or the vehicle driven by the person.

The management unit 4, which has received the actual analysis data of the test water from the analysis center 7, compares the sensor detection value with the test water analysis data to determine whether the abnormal value of the sensor output value is the true value (i.e., whether the abnormal value of the sensor output value is the true value or not. Determine whether the output value is due to an actual water quality abnormality) or whether it is due to sensor malfunction, failure, etc.

The management unit 4 records this determination result in a database, and also sends an alarm indicating whether an abnormality in water quality or a sensor abnormality has occurred to the maintenance department.

In this way, if an abnormality occurs in the output value of the water quality measurement sensor, the test water is automatically and promptly sampled and transported to the analysis center, and water treatment facilities and sensors can be maintained and managed appropriately. becomes possible.

In addition, whether the sensor detection value is abnormal or not can be determined by, for example, whether the sensor detection value exceeds a preset value or deviates from a preset range; or whether the sensor detection value changes at a predetermined rate of change or higher. Alternatively, this can be done by determining whether the sensor detection value has hardly changed for a predetermined period of time or longer (i.e., whether the sensor is frozen or not), but is not limited thereto.

1 Water treatment equipment 2 Management center 7 Analysis center 30 Sampling device 31 Transportation means

Claims (3)

water treatment equipment;
A sensor for measuring water quality provided in the water treatment equipment;
A sampling means for test water provided in the water treatment facility;
an analysis center that receives and analyzes the test water;
A transportation means for transporting the sampled test water to the analysis center ;
abnormality determination means for determining that the detection value of the sensor is abnormal when the detection value of the sensor exceeds a predetermined value or deviates from a predetermined range ;
means for providing a sampling operation command signal to the sampling means and a transport command signal to the transport means based on the abnormality determination result of the abnormality determination means ;
a comparison means for comparing the analysis data of the analysis center and the detection value of the sensor to determine whether or not the sensor detection value is a true value;
A water treatment management system equipped with 2. The water treatment management system according to claim 1 , further comprising a storage means for storing operation data of the water treatment equipment including at least detection value data of the sensor and comparison result data of the comparison means. 3. The water treatment management system according to claim 1 , further comprising an alarm generation means for generating an alarm based on the comparison result of the comparison means.

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