JP6558459B1 - Water treatment facility management equipment - Google Patents

Abstract

[PROBLEMS] To reduce the time required for a lent water treatment facility to start water treatment. A water treatment facility management apparatus includes inventory information including status information indicating whether or not a water treatment facility can be rented, and usage history data including water amount / water quality information at a previous lending destination of the water treatment facility. A storage unit 11 to store, an extraction unit 15 that extracts a water treatment facility that satisfies a required water treatment specification and a predetermined narrowing condition as a loan candidate with reference to the inventory information, and a previous loan destination for the loan candidate Similarity calculation unit 16 that calculates the degree of similarity between the water amount / water quality information at the new lending destination and the water amount / water quality information at the new lending destination, presents the extracted lending candidates together with the similarity, and lends water treatment equipment A lending facility determination unit 17 that accepts a reservation, and an inventory information update unit 18 that updates status information of the water treatment facility that has been reserved for lending are provided. [Selection] Figure 2

Description

  The present invention relates to a water treatment facility management device, and more particularly, to a management device that performs inventory management and rental reservation of a water treatment facility that is temporarily rented out.

  In manufacturing plants for semiconductors and the like, a large amount of treated water (pure water) from which impurities such as salt are removed is used for cleaning products. With the temporary expansion of product production, a larger amount of treated water may be required. In order to solve this problem economically, by renting out water treatment facilities temporarily and managing the inventory of multiple types of units that make up the water treatment facilities, water treatment facilities and There has been proposed a water treatment facility providing system that provides a replacement of a plurality of types of units constituting the treatment facility (see, for example, Patent Document 1).

  Patent Document 2 proposes a method for predicting the timing for cleaning or replacing the reuse separation membrane based on the flow rate, differential pressure, or flux operation data of the reuse separation membrane. In addition, the reuse separation membrane identification information is associated with the water-containing components that used the reuse separation membrane and the performance inspection information after cleaning, and the reuse separation membrane is efficiently managed and the replacement product is selected. A management device is known (see, for example, Patent Documents 3 and 4).

  It is necessary to make various settings such as adjusting the rate of change of the opening degree of the automatic valve and adjusting the alarm set point for the rented water treatment facility before the start of use. The control settings for stock water treatment facilities are usually set according to the previous lending destination. Conventionally, when renting out water treatment facilities, it has not been considered what the current control settings are. For this reason, the amount of work required for setting the control at the lending destination increases, and it may take time before the water treatment can be started.

Japanese Patent No. 5035493 Japanese Patent No. 5499843 Japanese Patent No. 5499844 Japanese Patent No. 5565048

  This invention makes it a subject to provide the management apparatus of the water treatment facility which can shorten the time required until the lent water treatment facility starts water treatment.

  The water treatment facility management device according to the present invention stores inventory information including status information indicating whether or not the water treatment facility can be rented, and usage history data including water quantity / water quality information at the previous lending destination of the water treatment facility. A storage unit, an extraction unit that refers to the inventory information, extracts a water treatment facility that satisfies a required water treatment specification and a predetermined narrowing-down condition as a loan candidate, and the amount of water at the previous loan destination for the loan candidate・ Similarity calculation unit that calculates the similarity between water quality information and water volume / water quality information at a new lending destination, and lending that accepts lending reservations for water treatment facilities by presenting the extracted lending candidates together with the similarity An equipment determination unit and an inventory information update unit that updates status information of a water treatment facility that has been reserved for lending are provided.

  In one aspect of the present invention, rental candidates are presented in descending order of similarity.

  In one aspect of the present invention, the maintenance time of the water treatment unit used in the water treatment facility is predicted based on the operation status notified from the rented water treatment facility, and the inventory of the members necessary for the maintenance is estimated. A prediction unit for determining the situation is further provided.

  In one aspect of the present invention, the status information includes reservation possible, reserved, under repair, and renting, and the extraction unit is a water treatment facility whose status is reserved or reserved, and the status is under repair. A water treatment facility whose repair is completed by the scheduled rental date and a water treatment facility whose status is being rented and returned by the scheduled rental date are extracted.

  According to the present invention, it is possible to shorten the time required for the lent water treatment facility to start water treatment.

It is a schematic diagram which shows the rental example of a water treatment facility. It is a block diagram of the management system concerning the embodiment of the present invention. It is a functional block diagram implement | achieved by running a management program. It is a flowchart explaining the rental reservation method of a water treatment facility. It is a flowchart explaining the setting method of the candidate narrowing-down conditions of rental equipment. It is a figure which shows the example of the screen which shows the detail of the renting equipment candidate.

  Hereinafter, embodiments will be described with reference to the drawings.

  The management system which concerns on embodiment of this invention manages the water treatment facility lent to a customer. As shown in FIG. 1, water treatment units for constructing a water treatment facility are stored in a plurality of inventory bases S and delivered to a factory F or the like according to customer requirements, and the water treatment facility is constructed and installed. Is done. The management device 1 in the management center manages the stock of water treatment facilities (water treatment units) stored in the stock base S and the water treatment facilities that are being rented out to customers.

  When the management apparatus 1 receives a rental request for water treatment facilities, the management device 1 determines whether there is an inventory of water treatment facilities that satisfy the requested specifications, and presents a determination result. The management apparatus 1 calculates and presents the similarity between the water amount / water quality information at the previous lending destination of the water treatment facility in stock and the water amount / water quality information requested from the new (this time) lending destination. .

  Many of the current setting values of various control items of water treatment facilities with high similarity are the same (approximate) as the setting values at the new lending destination. Therefore, after carrying a water treatment facility with a high degree of similarity to a new lending destination, the amount of work required for setting control items is reduced, and water treatment can be started early using the water treatment facility.

  In addition, the management device 1 predicts the next maintenance time for each of the plurality of water treatment units constructing the lent water treatment facility, and presents it together with the stock status of the replacement product or the like. As a result, it is possible to prepare in advance a replacement or the like necessary after lending and perform maintenance smoothly.

  Water treatment facilities can be broadly classified into, for example, water treatment facilities, wastewater treatment facilities (including water recovery), and water treatment facility peripheral facilities.

  Examples of water treatment facilities include ultrapure water production facilities, pure water production facilities such as medical pure water production facilities, purified water production facilities, drinking water production facilities, soft water production facilities, and other advanced water treatment facilities, seawater desalination. Special water treatment facilities such as facilities and functional water production facilities.

  Examples of wastewater treatment facilities include chrome wastewater treatment facilities, cyanide treatment facilities, fluorine treatment facilities, selenium treatment facilities, and heavy metal treatment facilities, aerobic biological treatment facilities, anaerobic biological treatment facilities, and coagulation separation facilities. Specific wastewater treatment facilities such as organic wastewater treatment facilities, coolant wastewater treatment facilities, plating wastewater treatment facilities, rainwater treatment facilities, and yard wastewater treatment facilities.

  Examples of peripheral equipment for water treatment facilities include auxiliary equipment such as boiler equipment, cooling equipment, chemical injection equipment, dehydration equipment, oil recovery equipment, phosphorus recovery equipment, and valuable material recovery equipment such as fluorine recovery equipment. .

  FIG. 2 is a block diagram of the management system. A water treatment facility 2 installed in a customer factory F or the like includes a control unit 20, a monitoring unit 21, a communication unit 22, and a plurality of water treatment units 23. The water treatment unit 23 is an apparatus or device used in water treatment facilities. Examples of pure water production facilities include activated carbon filters, reverse osmosis membrane modules, electric deionization devices, non-regenerative ion exchangers, and membrane types. Filters, degassing membranes, water tanks, pumps, valves, etc. Examples of the wastewater treatment facility include a diffuser, a blower, a meter such as a DO meter and a pH meter, an immersion membrane, a scrubber, a dehydrator, a diffusion device, a water tank, a pump, and a valve. Each water treatment unit 23 is assigned a unique ID (identification information).

  The monitoring unit 21 uses various sensors (not shown) provided in the water treatment facility 2 to detect the amount of treated water, the quality of the treated water, current, voltage, vibration, temperature, pressure, and the like, and each water treatment unit 23. Monitor the driving situation. The control unit 20 associates the operation status of each water treatment unit 23 with the identification information, and periodically notifies the management device 1 via the network such as the Internet by the communication unit 22.

  The management device 1 has a CPU (Central Processing Unit) 10 as a control unit that controls the operation of the management device 1 in an integrated manner. The CPU 10 is based on an OS (Operating System) program, and executes middleware, application programs, and the like. A storage unit 11, a communication unit 12, a display unit 13, an input unit 14, and the like are connected to the CPU 10 via a bus.

  The storage unit 11 includes a ROM (Read Only Memory), a RAM (Random Access Memory), a hard disk device, and the like. Various programs are stored in the ROM, and each function of the management apparatus 1 is realized by the CPU 10 executing various processes according to these programs. The RAM is used as a work memory for temporarily storing data when the CPU 10 executes processing based on a program.

  The hard disk device stores inventory information of water treatment facilities (water treatment units), operation status data indicating the operation status of the water treatment facilities, use history of the water treatment facilities, use history data indicating the maintenance history, etc. To do. The usage history of the water treatment facility includes water amount / water quality information indicating the type of treated water, the amount of water, the quality of water, the type of raw water, and the like.

  The type of treated water is the use of treated water, and examples include food / drinking, pharmaceutical production, cooling tower replenishment water, boiler replenishment water, miscellaneous water (general water), and semiconductor production. On the other hand, the types of raw water include, for example, tap water, well water, industrial water, seawater, river water, etc. in the irrigation system, and organic drainage, inorganic drainage, electronic process drainage, etc. in the drainage system / drainage recovery system.

  The communication unit 12 communicates with the communication unit 22 of the water treatment facility 2 via the Internet or the like.

  The display unit 13 is a liquid crystal display, for example, and displays various screens. The input unit 14 receives various operations from the administrator, and is a keyboard, a mouse, or the like.

  As the CPU 10 executes the management program stored in the storage unit 11, as shown in FIG. 3, the lending candidate extraction unit 15, the similarity calculation unit 16, the lending equipment determination unit 17, the inventory information update unit 18, and The prescription time prediction unit 19 is realized, and inventory management, rental reservation, maintenance prediction, and the like of the water treatment facility can be performed.

  Although not shown, various operations can be performed by accessing the management apparatus 1 via the Internet or the like from an external terminal such as a terminal installed in a customer factory or an inventory base or a mobile terminal.

  Next, a water treatment facility reservation method will be described with reference to the flowchart shown in FIG.

  First, the user uses the input unit 14 to input water treatment specifications requested by the customer. For example, water quantity / water quality information such as the type of treated water, the amount of water, the quality of water, the type of raw water, etc. is input (step S1).

  The user inputs a scheduled date for lending the water treatment facility (step S2). Further, the user sets a narrowing condition when searching for water treatment facilities (step S3). A narrowing condition setting method will be described in detail with reference to the flowchart shown in FIG. First, the user selects the status of the water treatment facility to be extracted (step S31). The status includes “loanable” and “non-loanable”, “loanable” is further classified into “reservable” and “reserved”, and “non-loanable” is classified into “repairing” and “lending”. The current status of all the water treatment facilities that are held is recorded in the inventory information in the storage unit 11.

  “Reservation is possible” means that it is currently stored in the stock base S and is ready to be lent out. “Reserved” means that it is currently stored in the stock base S but has already been reserved. This “reserved” is included in “rental available” because it is possible to negotiate with a user who has made a reservation in advance and to change to another water treatment facility.

  “Repairing” means that the water treatment unit or the like constituting the vehicle is currently being repaired and cannot be used. “Lending” means that the item is currently lent and is not in the stock base S.

  When water treatment equipment whose status is “non-rental” is selected as an extraction target (step S32_Yes), and further, water treatment equipment that can be rented after the planned loan date entered in step S2 is selected as an extraction target (step (S33_Yes), a period from the scheduled date of lending until it becomes possible to lend is input (step S34).

  The water treatment facility that can be rented after the scheduled rental date is, for example, a water treatment facility that is returned after the scheduled rental date or a water treatment facility that is repaired after the scheduled rental date. When “1 month” is input as the period from the scheduled loan date, water treatment facilities that are returned or repaired within one month from the scheduled loan date are included in the extraction target.

  After setting the narrowing conditions in this way, the lending candidate extraction unit 15 extracts water treatment facility candidates to lend (FIG. 4, step S4). The lending candidate extraction unit 15 extracts, as lending candidates, water treatment facilities that satisfy the specifications input in step S1 and satisfy the set narrowing conditions.

  For example, the lending candidate extraction unit 15 selects the customer input in step S1 from the water treatment facilities stored in the inventory base S and the water treatment facilities currently being rented that are returned before the scheduled lending date. Extract water treatment facilities that meet the requirements of

  For each of the extracted loan candidates, the similarity calculation unit 16 inputs the water amount / water quality information at the previous loan destination (if the loan is in progress, the water amount / water quality information at the current loan destination) and is input in step S1. The degree of similarity with the water amount / water quality information at this (new) loan destination is calculated using a predetermined calculation formula (step S5).

  For the calculation of the similarity, a generally known method can be used as a method for calculating a similarity index by quantifying the degree of similarity between two sets of elements (matching degree). For example, cosine similarity can be used. , Jackard coefficient, Dice coefficient, Simpson coefficient, etc. can be used. Here, a cosine similarity using a weighted characteristic vector will be described as an example.

  First, n items used for calculating similarity from water management equipment management items (current, voltage, vibration, temperature, pressure, etc.) and water management items (water volume, water temperature, substance concentration, ORP, pH, etc.) Select the item.

Each item _x b1 _{~x bn} immediately before the rent destination b, enter the value of each item _x a1 _{~x an,} the next borrowers a, as follows, and calculates each feature vector _x b, a _{x a} . The numerical value to be input may be a numerical value (raw data) itself or a value obtained by subtracting a reference value from the numerical value.

For each selected entry, type a number of corresponding weights k ₁ to k _n, calculates a weight vector k as follows.

  The similarity is calculated for the viewpoint of the entire water treatment facility as follows.

  Subsequently, the similarity is calculated for each management item.

  A list of water treatment facility rental candidates is displayed on the display unit 13 together with the calculated similarity. In the list, candidates may be displayed in descending order of the degree of similarity in terms of the entire water treatment facility (in general, the similarity is high). Moreover, it is good also as a standard at the time of using or changing the numerical value of a setting item as it is, and writing the similarity for every setting item together. When the user selects a candidate from the list, a screen showing detailed information of the selected water treatment facility is displayed on the display unit 13.

  As shown in FIG. 6, the detailed information screen displays status, location, use period, information on the water treatment unit to be configured, and the like. The location indicates where this water treatment facility is currently located, and the location of the stock base S and the rental destination is displayed. When the history button 61 is pressed, the past use history is displayed.

  For each component unit, the usage period, the last maintenance date, the next scheduled maintenance month, and the like are displayed.

  When the water treatment facility to be rented is determined and the reservation button 60 is pressed (step S6), the lending facility determination unit 17 accepts the reservation, and switches to a screen for inputting the lending destination and lending period of this water treatment facility. The user uses the input unit 14 to input a loan destination and a loan period (customer use period) (step S7).

  The stock information updating unit 18 sets the status to “reserved” for the reserved water treatment facility and updates the stock information (step S8). In this way, the water treatment facility is reserved. Further, the water volume / water quality information input in step S1 is registered in the use history data in association with the water treatment facility.

  The inventory information update unit 18 updates the status of the inventory information every time the situation changes because the water treatment facility is shipped from the inventory base S, returned from the lending destination, or repair is completed.

  The prescription time prediction unit 19 predicts the time for maintenance and parts replacement for each water treatment unit constituting the water treatment facility 2 being lent based on the operation status data and the use history data in the storage unit 11. The prescription time prediction unit 19 refers to the stock information, detects the stock status of water treatment units and parts / members necessary for maintenance, and displays the stock status and the maintenance forecast time on the display unit 13. The user can prepare for maintenance by looking at the displayed inventory status.

  As described above, according to the present embodiment, the water treatment facility that is a candidate for lending can be presented together with the similarity between the water amount / water quality information at the previous lending destination and the water amount / water quality information at the current lending destination. Control item settings for water treatment facilities in stock remain the same as those at the previous lending destination, and if the degree of similarity is high, control items that do not need to be changed or control items that can be changed only slightly There are many.

For example, in a state where a high degree of similarity as the entire water treatment facility is extracted, the degree of similarity of each management item is confirmed. For example, if the weight of water amount, water temperature, Ca, Mg, silica, aluminum, iron, M alkalinity or CO ₃ concentration is increased and the similarity of each management item is confirmed, and the similarity is equal to or higher than a predetermined value, RO Leave the inverter settings (frequency and PID set values) of the pressurizing pump that feeds water to the device.

  Further, for example, the similarity of each control item is confirmed by increasing the weight of the specific resistance, silica concentration, water amount, and raw water electrical conductivity. If the similarity is a predetermined value or more, the CDI (deionization device) Leave the current value as it is.

  By lending water treatment equipment with a high degree of similarity, the amount of work required for setting control items at the lending destination can be reduced, and the time required to start water treatment can be shortened.

  In the said embodiment, the management apparatus 1 may design the water treatment equipment which satisfy | fills the specification input by step S1. For example, the management device 1 refers to a standard model of a water treatment facility constructed for each water treatment specification, and determines the type and number of water treatment units necessary to satisfy the input specification. The lending candidate extraction unit 15 refers to the inventory information, and displays the determined stock status of the water treatment unit and availability of lending on the display unit 13.

  As status information in the present invention, at least reservation is possible, reserved, under repair and rent are exemplified, but other items such as during export procedure, disposal, shipping, inventory confirmation, etc. are added as necessary May be.

  Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. In addition, various inventions can be formed by appropriately combining a plurality of components disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, constituent elements over different embodiments may be appropriately combined.

1 Management device 2 Water treatment facility

Claims (4)

A storage unit that stores inventory information including status information indicating whether or not the water treatment facility can be rented, and usage history data including water amount / water quality information at the previous lending destination of the water treatment facility,
An extraction unit that refers to the inventory information and extracts water treatment equipment that satisfies a required water treatment specification and a predetermined narrowing-down condition as rental candidates;
For the rental candidate, and figures for management item in the previous lending destination, a similarity calculation unit which calculates the similarity between the figures for managing items in new lending destination,
A lending facility determination unit that presents the extracted lending candidates together with the similarity and accepts lending reservations for water treatment facilities,
An inventory information update unit for updating the status information of the water treatment facility reserved for lending,
Equipped with a,
The management item is a plurality of items selected from a water treatment facility management item and a water management item, and the management item includes at least water quantity or water quality as the item. .   The water treatment facility management apparatus according to claim 1, wherein rental candidates are presented in descending order of similarity.   A prediction unit that predicts the maintenance time of the water treatment unit used in the water treatment facility based on the operation status notified from the rented water treatment facility and determines the inventory status of the members necessary for the maintenance. The water treatment facility management apparatus according to claim 1 or 2, further comprising: The status information includes reservation available, reserved, repaired, and rented,
The extraction unit is a water treatment facility whose status is reservable or reserved, a water treatment facility whose status is being repaired and completed repair by the scheduled lending date, and the status is being lent and returned by the scheduled lending date. The water treatment facility management apparatus according to claim 1, wherein the water treatment facility is extracted.

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