JP2016073132A - Optimal operation support system for power generation facility - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform optimal supply of power-selling electric energy by improving efficiency of jobs through real-time operation support.SOLUTION: An optimal operation support system for a power generation facility for monitoring and controlling operation conditions of a plurality of power generation facilities 200 (dust incineration facilities) in a centralized monitoring center 100 includes: a high-speed communication network 400 for transmitting information; monitoring means and a central control room 250 provided in the power generation facility 200; a power supply-demand management terminal 310 provided in a power company/PPS 300; a monitoring operation terminal 110 which is provided in the centralized monitoring center and monitors and controls the operation conditions of the power generation facilities; and a power supply and demand management terminal 160 of the centralized monitoring center for managing power supply from the power generation facilities on the basis of power supply and demand information transmitted from the power supply and demand management terminal 310. In the centralized monitoring center, the monitoring operation terminal monitors and controls the operation conditions of the power generation facilities in such a manner that power corresponding to a power demand plan amount is supplied from the power generation facilities.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a waste incineration power generation facility (a stoker furnace, a gasification melting furnace, etc.), a biomass power generation facility, a digestion facility provided in a remote place using a high-speed communication network such as a high-speed optical network (for example, a VPN virtual private line). Concerning the optimal operation support system for power generation facilities for optimal operation and optimal power supply by centrally monitoring the operation status of power generation facilities such as gas power generation facilities and solar power generation plants Is.

  In the conventional remote monitoring and operation technology, the operation status and data of the local (remote area) are accumulated in a dedicated database, the data is analyzed, and the technician or operator of the centralized monitoring center gives instructions or terminals by telephone Patent Documents 1 to 5 propose methods in which change data is input to a screen and then the data is transmitted to change the parameter value of a local terminal.

  For example, Patent Document 1 discloses a remote monitoring control system that monitors measurement value data of various facilities scattered in various places through a public line by a management center, and includes sensors and measuring instruments installed in various monitored facilities. When abnormal data occurs in the measured value data collected from the remote monitoring and control device placed in the management center, send the measured value data before abnormal occurrence including abnormal data simultaneously with the alarm notification, It describes that the cause of abnormal data can be investigated in the management center and quick recovery measures can be taken.

  Further, in Patent Document 2, based on the status information, it is determined whether or not there is an error in the correspondence of the semiconductor manufacturing apparatus processed by the factory side client. If it is determined that there is an error, the state of the semiconductor manufacturing apparatus is determined. The processing method for correcting the error is selected from the database unit that stores the handling method for the vendor side server, and the transmission / reception unit of the vendor-side server informs the factory-side client of the error in the response and the selected response method. A remote maintenance system for a semiconductor manufacturing apparatus adapted to transmit is described.

  Patent Document 3 discloses a hierarchical type in which monitoring data is collected and monitored by a monitoring device arranged at each of a plurality of monitoring target sites, and the collected data is collected and monitored by a higher-level monitoring device. A remote monitoring system for displaying data sent from the monitoring device and / or an operation history stored in the host database, and storing an operation history of the host monitoring device in the host database; A host data transmission / reception unit that transmits the operation history of the host monitoring device stored in the host database to the monitoring device; By displaying on the monitoring equipment installed at the site, experienced and standard observers can share and inherit monitoring know-how It has been described to be.

  Also, in Patent Document 4, when a trouble at a garbage incineration site is detected by a monitoring system, remote control processing is started by requesting assistance from a remote monitoring terminal, and each remote incineration site is started by this remote control processing. Control data and operation data of the dust feeder, pyrolysis gasifier, melting furnace, waste heat boiler, etc. corresponding to the process are sent from the waste incinerator to the remote monitoring terminal and displayed. Check the control data and operation data, and if necessary, check the moving images showing the internal state of each device taken by each of the ITV cameras installed in the garbage incineration site. It is described that the cause can be investigated, and that a new value is set in the control data and transmitted to the automatic control device of the incineration plant so that the trouble can be dealt with.

  Further, Patent Document 5 includes an incineration processing apparatus that incinerates waste by an automatic operation program, and a monitoring center that is connected to the incineration processing apparatus via a network and operates the incineration processing apparatus remotely. In the remote operation system, the monitoring center compares the detection values of the sensors and the operation chart with display means for displaying the detection values of the sensors and the video imaged by the monitoring camera. When any of the detected values exceeds a threshold, it is determined that there is an abnormality, and the abnormality detection means for displaying abnormality information on the display means is provided, so that the abnormality processing can be accurately performed even when there is no skilled worker. It is described to do so.

Japanese Patent No. 5351092 Japanese Patent No. 4044443 Japanese Patent No. 4766327 JP 2002-324128 A Japanese Patent No. 4059869

  However, with the above method, it is impossible to respond in real time to the situation of the local facility, and a delay occurs, and the response due to this delay has been a problem. In addition, with the conventional system, it has been difficult to realize labor saving even though the labor of the local facilities can be saved by the support from the centralized monitoring center.

  In addition, when the waste incineration facility is equipped with a power generator that recovers heat from the incineration exhaust gas and generates electricity, the power is optimally adapted to the power retailer's planned procurement power when selling the power to the power retailer. The system to supply was not studied.

  The present invention has been made in order to solve the above-mentioned conventional problems, and in an optimum operation support system for a power generation facility for monitoring and controlling the operation status of a plurality of power generation facilities at a centralized monitoring center, real-time operation support is provided. Therefore, it is an object of the present invention to improve the efficiency of operations, not only to save labor, but also to save labor, and to enable the optimal supply of electric power sales.

  In an optimum operation support system for a power generation facility for monitoring and controlling the operation status of a plurality of power generation facilities at a centralized monitoring center, a high-speed communication network for transmitting information and a power generation facility are connected to the high-speed communication network. A monitoring means for monitoring the power generation facility and a control means for controlling the power generation facility; and a power retailer that procures electric power from the power generation facility and supplies the power to the consumer, and is connected to the high-speed communication network and receives power from the consumer. Power retailer power supply and demand management terminal that manages power supply according to power demand and transmits and receives power supply and demand information, and operation of power generation facilities that are installed in the centralized monitoring center and connected to the high-speed communication network Based on the monitoring operation terminal that monitors and controls the situation and the power supply and demand information transmitted from the power retailer power supply and demand management terminal A central monitoring center power supply and demand management terminal for managing power supply from the power facility, wherein the central monitoring center is a power demand plan transmitted from the power retailer power supply and demand management terminal and received by the central monitoring center power supply and demand management terminal The monitoring operation terminal monitors and controls the operation status of the power generation facility so that power corresponding to the amount is supplied from the power generation facility, thereby solving the above-described problem.

  Here, the centralized monitoring center power supply and demand management terminal collectively manages the power supplied from the plurality of power generation facilities, and supplies the power corresponding to the power demand plan amount as the sum of the power supplied from the plurality of power generation facilities. The monitoring operation terminal can monitor and control the operation status of the power generation facility so as to allocate the power supplied from each power generation facility and supply the power allocated from each power generation facility.

  Also, the monitoring means of the power generation facility sends an abnormality alarm set in advance to be issued based on the equipment failure alarm and the failure alarm to the monitoring operation terminal of the centralized monitoring center. Among the facilities, the monitoring / operation screen can be displayed from the power generation facility having a high degree of importance of the abnormality alarm.

  In addition, the power generation facility control means may include an interlock means for prohibiting remote operation of the power generation facility equipment by the monitoring operation terminal of the centralized monitoring center.

  The central monitoring center also derives the optimum operating condition by deriving the optimum operating condition by referring to the database based on the operating condition information transmitted from the power generation facility monitoring means and the database for accumulating the operating condition information of each power generation facility. And displaying the optimum operation condition derived by the optimum operation condition deriving means on the operation support screen of the power generation facility, and operating the monitoring operation terminal so as to operate the power generation facility under the optimum operation condition. One can do it.

  The power generation facility operator is equipped with a mobile terminal that can be carried in the vicinity of the power generation facility equipment. The power generation facility monitoring means and control means transmit monitoring information and control information to the mobile terminal, and in the vicinity of the power generation facility equipment. The operator of the power generation facility carrying the mobile terminal grasps the operating status of the equipment based on the monitoring information and / or control information displayed on the screen and the status of the equipment actually observed by the operator. The operation support information can be transmitted according to the driving situation information grasped by the worker.

  According to the present invention, in an optimal operation support system for a power generation facility for monitoring and controlling the operation status of a plurality of power generation facilities with a central monitoring center, the operation of the local power generation facility from the central monitoring center is performed in real time and seamlessly. It becomes possible to act on behalf of. For example, when an operator has to leave the central control room at the time of equipment inspection or sudden trouble, and to deal with plant equipment at the site, it is conventional to place personnel in addition to the operator. Then, according to the system of the present invention, it was possible to respond by the operator who was in charge of driving until just before that, according to the system of the present invention. It becomes possible to save personnel. For example, when 4 to 5 people are arranged in two furnace facilities, it is possible to deal with the arrangement of two or one person, so that significant labor saving is possible.

  In addition, it is possible to optimally supply power from the power generation facility in accordance with the amount of power planned by the power retailer.

The figure which shows the outline | summary of the whole of embodiment of the optimal operation support system which applied this invention to the waste incineration power generation facility. The figure which shows cooperation with each waste incineration power generation facility (cleaning factory), centralized monitoring center (remote service center), and electric power retailer (PPS) in the said embodiment. The figure which similarly shows the execution example of electric energy optimization The figure which shows the effect of this invention The figure which shows the composition of each cleaning factory and remote service center in case of the minority monitoring of about 3 factories The figure which shows the composition of each cleaning factory and remote service center in the case of multiple monitoring more than 4 factories The figure which shows the example of switching of the automatic monitoring screen Explanatory drawing of the method of regularly assigning multiple factories to each remote operation center monitoring operation terminal Explanatory drawing of how to freely assign multiple factories to the monitoring operation terminals at the remote service center The figure which shows the Example of a remote control authority system The figure which shows the Example of a remote monitoring system The figure which shows an example of a structure of a garbage plant The figure which shows another Example of a remote monitoring system

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In addition, this invention is not limited by the content described in the following embodiment and an Example. In addition, the constituent elements in the embodiments and examples described below include those that can be easily assumed by those skilled in the art, those that are substantially the same, and those in the so-called equivalent range. Furthermore, the constituent elements disclosed in the embodiments and examples described below may be appropriately combined or may be appropriately selected and used.

  FIG. 1 shows an overall configuration diagram of an embodiment in which the present invention is applied to a waste incineration power generation facility (hereinafter also simply referred to as a waste incineration facility, a cleaning plant, or a factory). For example, a centralized monitoring center (hereinafter referred to as a remote service center) 100 installed at the headquarters, a waste incineration facility (also referred to as a local facility) 200 scattered throughout the country to be monitored and operated, and a specific scale electric utility ( Three bases of Power Producer and Suppliers (hereinafter abbreviated as PPS) 300 are connected by a high-speed communication network 400 (for example, a VPN connection on a high-speed Internet line using an optical line).

  The remote service center 100 capable of remotely monitoring and operating the local facility 200 enables monitoring operation of the waste incinerator 210 and the steam turbine generator 220 for power generation installed in the local facility 200, respectively. By installing a plurality of monitoring operation terminals (also referred to as DCS terminals) 110 and display screens 120 having performance equivalent to that of terminal equipment, remote monitoring and remote operation of a plurality of local facilities 200 are continuously performed in real time for 24 hours. The system which can be operated is constructed, and by using this system, it is possible to realize optimum operation support for each local facility 200.

  A video (fixed video) that monitors the status of each device, the situation inside and around the site, including the combustion status of a waste incinerator (hereinafter simply referred to as a furnace) 210 of the local facility 200 based on the video of the ITV camera 230, The ITV video display screen 130 installed in the remote service center 100 can be checked by checking the video in real time without stress.

  A mobile terminal (also referred to as a communication terminal) 140 is installed in the remote service center 100, and a similar mobile terminal (also referred to as a remote monitoring terminal) 240 is installed in the central control room 250 of the local facility 200. Because the operators who are remote from the local facility 200 can communicate with each other in real time while checking their faces in real time, it is as if they are operating at the same place even if the distance is long It is possible to create a situation, and it is possible to provide more efficient operation support for remote operation and operation than before. This cannot be realized by a mobile phone or a PHS phone, and is very effective for operation support from a remote place. Further, by providing the wireless LAN 260 on the premises, communication by the mobile terminal 240 outside the central control room 250 of the local facility 200 becomes possible. The operator of the local facility 200 moves from the central control room 250 to the site while carrying the mobile terminal 240, and the operator of the remote service center 100 at the remote location is informed in real time by voice of the operating status of the equipment at the site. Talk with engineers to achieve optimal inspection and maintenance.

  When there is a sign of trouble or abnormality in the equipment, conventionally, the local facility 200 sends a status photograph or data to the technical engineer or equipment manufacturer via e-mail, and the engineer sends the photograph or data. After seeing, I checked by phone or email. Photographs are mainly flat information and may be unclear, and in addition, there are many cases where information is insufficient because necessary points are not photographed, and it is often difficult to judge the situation. Eventually, it was necessary for the engineer to make a business trip to the local facility 200, and in some cases, it was possible to cope with it several days later.

  However, the operator of the local facility 200 uses the web (WEB) camera 270 to transmit the image of the target device in real time to the WEB image display screen 150 of the remote service center 100, thereby remotely transmitting the image. Not only the operator of the service center 100 but also the engineers in the technical department close to the remote service center 100 can confirm and communicate with the local area, thereby realizing more accurate and optimal judgment and giving instructions and support to the local facility 200. . Since the video is more three-dimensional and has a larger amount of information than the photograph, it is much better than the photograph in that it can grasp the details of the situation.

  Therefore, it is possible to respond more quickly than in the past, and depending on the content, the problem can be solved without making a business trip to the local area.

  Note that the web camera 270 may be used by being carried by hand, or may be used by being attached to a helmet or the like. Moreover, although it can be used in a wired manner, the range is limited in a wired manner in a large field space (for example, width 60 m × depth 70 m × height 30 m). Therefore, by installing the necessary number of relay points of the wireless LAN 260, the video of the web camera 270 can be distributed to the remote service center 100 without restriction.

  The video from the webcam 270 can be confirmed in the same way in the central control room 250 of the local facility 200. Therefore, one person goes to check and one person does not have to go to the inspection together. Since it remains in the central control room 250 and can be backed up, operational efficiency and labor saving of the local facility 200 can be achieved.

  Furthermore, by calling the monitoring operation terminal of the central control room 250 from the mobile terminal 240, a screen having a function equivalent to the monitoring operation terminal can be displayed on the mobile terminal 240 and can be operated. This makes it possible to improve efficiency, labor saving, and labor saving when performing on-site inspections and equipment maintenance.

  Further, the remote service center 100 can optimize the power sales revenue by managing and controlling the amount of power supplied from the local facility 200 to the power consumer 500 in cooperation with the PPS 300. In FIG. 1, 310 is a power supply / demand management terminal of the PPS 300, and 160 is a power supply / demand management terminal of the remote service center 100 corresponding thereto.

  If this system is used, not only labor saving by support from the remote service center 100 but also labor saving can be realized. The operation of the local facility 200 from the remote service center 100 can be performed in real time and seamlessly. For example, an operator of the central control room 250 of the local facility 200 leaves the central control room 250 during equipment inspection or sudden troubles, and responds to on-site plant equipment (garbage incinerator 210, steam turbine generator 220, etc.). In the past, when a person other than the operator was placed in the central control room 250 and handled by that person, according to the present system, the remote service center 100 was operated. By having the agent act, it is possible to cope with the operator who was in charge of operation in the central control room 250 until just before that, and it is not necessary to arrange other personnel, and it is possible to save labor. For example, when 4 to 5 people are arranged in 2 furnace facilities, it is possible to deal with the arrangement of 2 to 1 people, so that a significant labor saving is possible.

  Note that this system is not limited to a waste incineration facility as a power generation facility, but can be applied to a biomass power generation facility, a digestion gas power generation facility, a solar power plant, and the like.

  FIG. 2 shows the relationship between the power transaction at power wholesale exchanges such as domestic power companies 320, PPS 300, and Japan Electric Power Wholesale Exchange 800 and the flow of power supply to power consumers 500, and the remote service center 100. And a plurality of waste incineration facilities (cleaning factory) 200 and a correlation diagram showing the relationship between PPS300 and the relationship. The electric power company 320 is a general electric company that supplies electricity to consumers using its own power generation / transmission facilities.

  PPS300 procures electric power from power generation facilities with a relative contract according to a specific scale demand (in principle, 50 kW or more), transmits power via a power transmission system maintained and operated by a general electric utility, and supplies power to power consumer 500 (Retail) business operators.

  The Japan Electric Power Wholesale Exchange 800 is a private limited corporation established with contributions from the electric power companies 320, PPS300, private power generation equipment installers, etc. It is a place that aims to match supply with. The remote service center 100 and the PPS 300 are connected by a high-speed communication network 400 shown in FIG. Further, in FIG. 2, by contracting with multiple cleaning factories from A cleaning factories 200A to 200n, PPS 300 purchases electric power from each cleaning factories and uses power transmission facilities 322 owned by the power company to power consumers. 500 is supplying power. The PPS 300 is purchased from the cleaning plant 200 and supplied to the electric power consumer 500, and the surplus portion is sold to the Japan Electric Power Wholesale Exchange 800, and the amount of electric power consumed by the electric power customer 500 is purchased from the cleaning plant 200. The power shortage is purchased from the Japan Electric Power Wholesale Exchange 800.

  There are mainly four types of transaction forms at the Nippon Electric Power Wholesale Exchange 800. i) pre-hour trading, ii) spot trading, iii) fixed futures trading and iv) futures market trading. i) Trading before time ends 4 hours before the current day, but trading is possible three times a day (9-day deadline, 13-day deadline, and 17: 00-day deadline). ii) Spot transactions can be made from 5 business days before, but the transactions will be completed by 9:30 on the previous day. iii) A futures fixed form transaction is a transaction in which electricity with a constant output is delivered for one month or one week. iv) Futures market transactions are similar to weekly and monthly trading, but trading is done through the spot market.

  In the remote service center 100, the power supply / demand information transmitted from the PPS 300 is constantly received, and the shortage or surplus of supply power occurs by grasping the amount of constant power demand and the amount of power supplied from the cleaning plant 200. Even in this case, it is possible to cope with real time. Since the remote service center 100 constantly monitors the power generation status of each cleaning plant 200 at all times, the predicted total value of the supplied power amount does not reach the planned demand power amount of the PPS 300 by predicting the transition, In other words, when it is predicted that a shortage of supply power will occur, the PPS 300 will immediately notify the PPS 300 of the predicted shortage of supply power, so that the PPS 300 You can make a transaction to purchase from the power wholesale exchange 800, and if you trade just before the shortage occurs, you have to trade the electric power at a high price and pay a penalty to the Japan Electric Power Wholesale Exchange 800 You can trade on favorable terms compared to what you need. In addition, even when surplus occurs, the sale to surplus Japan Electric Power Wholesale Exchange 800 may not be in time, but this system can cope with it effectively. In the pre-hours trading of the Nippon Electric Power Wholesale Exchange 800, a particularly quick response is required, so this system is a very effective system for reliably carrying out such transactions.

  Furthermore, as a method of compensating for the shortage of electric power, when a cleaning factory with sufficient power generation capacity is confirmed among a plurality of cleaning plants 200 monitored by the remote service center 100, the power generation amount of the cleaning factory is temporarily stored. It is possible to compensate for the shortage of electric power by increasing it. It can be handled by operating the cleaning plant directly from the remote service center 100, or can be handled by contacting / instructing the cleaning plant via the communication terminal 140.

  FIG. 3 shows in detail the operation for dealing with the shortage of power supply by the remote service center 100. The amount of power supplied according to the planned power demand of the power consumer 500 is insufficient due to the sudden power generation failure of the A cleaning plant 200A. As a result, when the power supply to the power consumer 500 is expected to be insufficient, the remote service center 100 that is constantly monitoring confirms the operation status and power generation status of each cleaning plant and responds promptly. I do. B Incineration plant 200B confirmed that the amount of power supplied was more than the planned amount and surplus was generated. When the situation up to the other n cleaning factories 200n was confirmed, no surplus was generated, but it can be determined that the D cleaning factories 200D and F cleaning factories 200F can be operated to increase the power generation amount. The local cleaning factory 200D and the F cleaning factory 200F are instructed to increase the amount of power generation to the local cleaning factory or change the operation of the local cleaning factory by direct operation from the remote service center 100. In this way, by increasing the amount of power supplied to the B cleaning factory 200B, the D cleaning factory 200D, and the F cleaning factory 200F, it becomes possible to compensate for the shortage, and it is possible to supply power through optimal operations with real-time response. It becomes. The PPS300, which was passive in the past, is actively responding by using this system in cooperation with the remote service center 100, such as trading with the Nippon Electric Power Wholesale Exchange 800 under favorable conditions. This makes it possible to optimally trade the amount of electricity sold.

  As a result, as shown in FIG. 4 (A), the difference between the actual power supply results and the planned amount was large before the introduction of the present invention, whereas after the introduction, as shown in FIG. The difference with respect to becomes smaller.

  FIG. 5 and FIG. 6 show a configuration diagram of each cleaning factory 200 and the remote service center 100. FIG. 5 shows a case where the number of factories monitored by the remote service center 100 is as small as about three factories. A factory 200A will be described as an example. An in-factory monitoring operation terminal 262 and a remote monitoring operation terminal 264 are installed on site and connected by a LAN line 266. The required number is installed. A system similar to that of the A factory 200A is formed in the B factory 200B and the C factory 200C.

  In the factory A, the remote monitoring operation terminal 264 is connected to the VPN router 170 of the remote service center 100 through the VPN router 280 through the high-speed communication network 400, and a one-to-one connection with the monitoring operation terminal 110A is established. In the B factory 100B and the C factory 100C, as in the case of the A factory 100A, the remote monitoring operation terminal 264 and the monitoring operation terminal 110B of the B factory 100B are established in a one-to-one connection. The remote monitoring operation terminal 264 of the C factory 100C and the monitoring operation terminal 100C are connected on a one-to-one basis.

  In this way, when the number of factories subject to monitoring operations is as small as three factories, the remote service center 100 can also secure a sufficient space for installing three terminals, and the number of supervisory operators in charge is the minimum necessary. It is possible to operate with

  However, as the number of target factories increases from 4 factories, 5 factories, 10 factories, and n factories, it is necessary to increase the number of monitoring operation terminals in one relationship. Squeeze, and someday will bring a limit. Furthermore, it will be necessary to increase the number of supervisory operators in charge of terminals by the number of factories. This leads to a significant increase in operating costs.

  In order to solve this problem, FIG. 6 shows an embodiment in which a monitoring operation of four or more factories is performed. FIG. 6 is similar to FIG. 5 in basic configuration, but a control server 180 is newly provided on the remote service center 100 side.

  With this control server 180, it is possible to perform a monitoring operation of a plurality of factories with one monitoring operation terminal on the remote service center 100 side, and it is possible to cope with a minimum number of monitoring operation terminals and a minimum number of personnel.

  An example of the function and operation of the control server 180 is shown in FIG. In the remote service center 100, when 12 factories are shared by three monitoring operation terminals, that is, four factories are in charge of one monitoring operation terminal. The allocation to the monitoring operation terminals on the remote service center 100 side of each factory is as follows. The A factory 200A, the B factory 200B, the C factory 200C, and the D factory 200D are assigned to the monitoring operation terminal 110I, and the E factory is assigned to the monitoring operation terminal 110II. Assume that 200E, F factory 200F, G factory 200G, and H factory 200H are assigned I factory 200I, J factory 200J, K factory 200K, and L factory 200L to monitoring operation terminal 110III. The combination of factory assignments can be freely changed, and the setting system will be described in detail later. When the remote service center 100 is in charge of four factories with one terminal, the monitoring operation terminal 110I monitors the A factory 200A, the monitoring operation terminal 110II monitors the G factory 200G, and the monitoring operation terminal 110III monitors the J factory 200J. Suppose you are.

  During the operation of each factory, the operation data of each device is continuously updated. The operator monitors these values on the terminal screen to monitor whether the operation is smooth or abnormal. Since the number of devices and the number of signals reach several hundred to several thousand, it is almost impossible to monitor all numerical values without omission. Under such circumstances, if for some reason it falls outside the allowable range of the setting range or is in the stage before it falls, it will automatically issue an alarm according to the preset logic, notify the operator of the warning, and confirm the operator In addition, an alarm system that can be dealt with by an appropriate operation has already been constructed.

  However, there are also three levels of alarms, mild, moderate, and severe. Even if mild or moderate alarms do not respond immediately, they often return spontaneously, and prompt responses are not required. There are many (it does not mean that you can leave it alone). On the other hand, severe alarms are set as serious alarms that require urgency, and prompt confirmation and response are required.

  Therefore, a determination function (logic program) for automatically switching the monitoring operation screen using the importance of the alarm is incorporated in the control server 180, and the monitoring operation terminal on the remote service center 100 side according to the importance of the alarm. It is possible to automatically switch the factory screen assigned to the factory screen determined to be important.

  Of the AD factories 200A, 200B, 200C, and 200D that the supervisory operation terminal 110I is in charge of, the program determines that the alarm of the C cleaning factory 200C is the most important among the four factories. The control server 180 gives an instruction to switch the screen from the factory A to the screen of the factory C, and automatically switches to the screen of the factory C. The operator can immediately check the screen of the switched C factory 200C and perform necessary measures. Similarly, the monitoring operation terminal 110II switches from the G factory 200G to the H factory 200H. On the other hand, the monitoring operation terminal 110III continues to monitor the J factory 200J because the remaining three alarms with higher priority than the currently monitored J factory 200J have not been issued.

  Thus, if this system is used, remote monitoring and operation by a minimum number of personnel can be performed with a minimum number of monitoring terminals.

  Next, as described above, allocation settings for monitoring operation terminals on the remote service center 100 side of each factory will be described.

  FIG. 8 illustrates a case where 12 factories A to L are regularly assigned to three monitoring operation terminals 110I to III on the remote service center 100 side.

  This setting program for factory assignment is incorporated in the control server 180, and the program is called from each monitoring operation terminal for setting. When the program is called, the setting screen shown in FIG. 8 appears on the monitoring operation terminal that has instructed the call.

  If you click ON in the screen, it will be reversed and the factory will be assigned to the monitoring operation terminal. OFF can cancel the ON state. When clicked, ON is turned off and OFF is also turned off.

  When both the ON and OFF are turned off, this means that the factory is not monitored by the remote service center 100. Therefore, even if the setting update button is pressed at the end, the setting is not completed. Since an instruction alarm is issued on a pop-up screen such as “Please assign the factory”, it will be assigned to any monitoring operation terminal.

  In FIG. 8, the A factory 200A to the D factory 200D are sequentially assigned to the monitoring operation terminal 110I, the E factory 200E to the H factory 200H are assigned to the monitoring operation terminal 110II, and the I factory 200I to the L factory 200L are assigned to the monitoring operation terminal 110III. It can be seen that examples are shown.

  FIG. 9 illustrates a case where 12 factories are freely assigned to three monitoring operation terminals on the remote service center 100 side.

  The setting method is the same as that shown in FIG. Here, what is characteristic is that there is no restriction for equally allocating to one monitoring operation terminal, and it can be assigned freely. However, there is a restriction on the system so that one factory cannot be assigned to two or more monitoring operation terminals.

  In addition, there is no limit on the number of factories assigned to one monitoring operation terminal, but the number that can be monitored by one operator is 3-5 factories per person, depending on the skill of the operator. It is considered appropriate.

  In any case, if this system is used, remote monitoring and operation by a minimum number of personnel can be performed from the remote service center 100 with a minimum number of monitoring operation terminals. Note that the control server 180 is not always required to be installed. By changing the monitoring operation terminal PC on the remote service center 100 side to a higher-performance server PC, the screen automatically switches to each monitoring operation terminal PC. It is also possible to install and operate a judgment program and a setting program for factory assignment.

  Next, an embodiment of the remote operation authority system will be described.

  In order to remotely monitor and operate a local factory from the remote service center 100, a monitoring operation terminal is installed at the center, and any terminal can be assigned to the terminal to enable monitoring operation. Is possible.

  The waste incineration facility 200 generally has two or three incinerators 210. In general, the annual operating days per furnace is about 280 to 300 days. The number of days that are not in operation may be stopped due to trouble, but is generally allocated for maintenance management such as periodic inspection and maintenance.

  Although it can be easily understood from the above general case, for example, even in the case of performing a remote monitoring operation of 12 factories, it is rare that all factories are in operation. The reality is that the factory is undergoing regular inspections and has stopped due to some trouble.

  In such a case, when operating the monitoring operation terminal assigned to an arbitrary factory, when a certain factory, for example, the first furnace of factory A 200A is under periodic inspection and maintenance, this is naturally not recognized. However, accidents and disasters may occur due to accidental remote operation from the operable terminal assigned to the factory A 200A, operation of the on-site equipment, and the maintenance of the equipment. Is assumed to occur.

  In order to prevent such a situation, the remote operation authority system shown in FIG. 10 is effective as a system for ensuring safety. This system is incorporated in the control server 180, and each operation terminal of the remote service center 100 and a local operation terminal can call and use this system.

  First, the basic rules of the setting method will be described.

  In this screen, each factory is composed of the 1st furnace, 2nd furnace, 3rd furnace, ash melting, common system and 5 kinds of combinations. Furthermore, although it can also be set as the program which sets finely for every equipment, such as No. 1 boiler equipment in No. 1 furnace, No. 1 exhaust gas treatment equipment, it demonstrates as a setting method by a big group here.

  Regarding remote control prohibition, the site knows the situation, such as whether the furnace or equipment is stopped for maintenance or is in a sudden stop state, so the site side must make input settings.

  Clicking “Prohibit” in the batch setting column on the setting screen will highlight the screen and prohibit the operation of the factory. At the same time, the “prohibited” display in the individual setting column is reversed and the “established” display is lit. With this, all the factories can be prohibited from operating.

  Next, a case where “operation is possible” will be described.

  “Operation possible” is premised on double input at the local site and the remote service center 100 in order to ensure safety more securely.

  For example, in the batch setting, click “OK” on the site side. In this state alone, not “operable” but “established” is not displayed, and the operation prohibited state is continued. Click “OK” on the remote service center 100 side, and finally “established” is displayed. In this state, the operation is not yet possible, and the operation prohibited state continues.

  Furthermore, it is necessary to set “prohibited” or “permitted” in the individual setting. Prohibition of individual setting is established by setting on the site side. On the other hand, for “operable”, the display is turned on by clicking “permitted” in the column of the furnace or common system to be operated. However, “established” is displayed only after “Yes” is set on the site side and the remote service center 100 side, and the target line can be operated.

  “Remote operation is possible” is displayed on the screen of the site, and “Remote operation is possible” is similarly displayed on the screen on the remote service center 100 side.

  Similarly, in the case of operation prohibition, “remote operation prohibition” is displayed on the screen of the site, and “remote operation prohibition” is similarly displayed on the screen on the remote service center 100 side.

  An example of setting according to this rule is shown in FIG.

  In the table, “established” is displayed when the setting is made according to the above rules. What is not displayed as “established” is not established because, for example, “No” is not set in the first reactor of B factory 200B on the site side. In this case, the No. 1 furnace is in an operation prohibited state, and the prohibition is given priority.

  In the case of factory C 200C, the remote service center 100 side does not set “permitted” as a collective setting. Since it is not possible to input “permitted” of the individual setting on the 100 side, the operation prohibition of the first reactor is given priority. Even in such a state, since operation prohibition always takes priority, operation prohibition of the second reactor and the common system can be set on the site side by individual setting.

  In this way, if this system is used, it is possible to safely secure remote operation from the remote service center 100, and accidents and disasters can be reliably prevented.

  Note that the control server 180 is not always required to be installed. By changing the monitoring operation terminal PC on the remote service center 100 side to a higher-performance server PC, the screen automatically switches to each monitoring operation terminal PC. It is also possible to install and operate a judgment program and a setting program for factory assignment.

  Conventionally, in facilities where centralized monitoring, control and operation of plant equipment is introduced in the central control room 250, such as the waste treatment facility 200, it is necessary to regularly check the status of individual equipment at the site. You have to carry and see the real thing, and you are actually doing it that way. In addition, although not displayed in the central control room 250, on-site thermometers and pressure gauges are also checked at the same time. For equipment subject to inspection and maintenance, always contact the central control room 250 by radio or telephone for the latest status of the equipment and related equipment. The operator read out the numerical values displayed on the monitoring operation terminal in the operation room 250, and the on-site workers performed inspections and maintenance while confirming the data. When the operator of the central control room 250 is busy with alarm processing, there are cases where such inquiries from the field cannot be answered and will be kept waiting. Inspecting methods were recognized as inefficient.

  Therefore, as a means for solving this problem, the method shown in FIG. 11 is effective. By calling the monitoring operation terminal of the central control room 250 from a dedicated program installed in the mobile terminal (remote monitoring terminal) 240, a screen having the same function as that of the monitoring operation terminal can be displayed on the mobile terminal 240 and also operated. It becomes possible.

  An example of a specific configuration of the cleaning factory is shown in FIG.

  In the present embodiment, a garbage pit 916 into which garbage 900 is introduced from a gate 912 by a garbage carrying vehicle 910 and a garbage 900 introduced into the garbage pit 916 are provided on the entrance side of the combustion chamber 924 of the garbage combustion furnace 210. A garbage crane 918 for loading into the refuse hopper 920, a dust supply device 922 provided at the bottom of the waste hopper 920, and garbage thrown onto the grate 926 in the combustion chamber 924 by the dust supply device 922 From a damper 930 provided in a primary combustion air passage 928 for burning 900, a dust drop conveyor 932, an intermediate ceiling 934 for stirring and mixing gases in the combustion chamber 924, and a secondary combustion air blower 936 Gas mixing chamber 938 to which secondary combustion air is supplied, and thermal energy while cooling the combustion exhaust gas after secondary combustion in gas mixing chamber 938 A waste heat boiler 940 for recovery, the steam turbine generator 220 that generates electric power with steam heated by the waste heat boiler 940, and a soot blower 942 for cleaning a heat exchanger heat transfer surface of the waste heat boiler 940 A chimney 944, an ash chute 950 for dropping the burned ash, and an ash conveyor 952 for discharging the ash falling from the ash chute 950.

  FIG. 13 shows an embodiment of a remote monitoring system. For example, it is assumed that the screen of the first reactor 210 is displayed on the monitoring operation terminal 252A of the central control room 250 of the factory A 200A, and the operator performs the monitoring operation. If it is conventional, another operator will perform a site inspection on site, and if this remote monitoring terminal 240 is used, the first reactor 210 will be connected to the monitoring operation terminal 252A. The operator in charge can take the screen of the first furnace 210 to the site as it is, and perform a patrol inspection on the site. At that time, the authority of the operation is automatically transferred to the remote monitoring terminal 240, and the display of “No. 1 reactor mobile inspection” and the display of “operation prohibited” appear on the monitoring operation terminal 252A of the central control room 250. On the remote monitoring terminal 240, “No. 1 reactor mobile inspection in progress” and “operation possible” display appear. In addition, a display of “No. 1 furnace mobile inspection” and a display of “operation prohibited” appear on the screen of the monitoring operation terminal 110I to which the factory A of the remote service center 100 is assigned. In this way, a remote operation interlock is taken to ensure safety. The remote monitoring terminal 240 not only displays the same screen as that of the monitoring operation terminals 252A and 110I, but also enables the same operation. When the inspection of the first reactor 210 is completed and the turbine generator 220 is inspected next, the screen of the steam turbine generator 220 is called by touching the menu on the screen of the remote monitoring terminal 240, or a picture of the steam turbine is displayed. By touching, the screen of the steam turbine generator 220 can be called, and inspection can be performed while reading various numerical values. At this time, the remote monitoring terminal 240 displays “Common system remote inspection in progress” and is also displayed on the monitoring operation terminal 110I in the same manner, and the operation right is displayed on each terminal as in the case of the first reactor 210. The

  The above-mentioned remote monitoring system is a backup system for labor saving and labor saving as well as solving the conventional problems.

  For example, in the case of a two-furnace factory, it is possible to reduce the number of operators from 4 to 5 to 2 people per group. Waste incineration facilities generally operate continuously for 24 hours. As for late-night shift work hours, if a patrol inspection becomes necessary, one person takes out the remote monitoring terminal 240 and conducts an inspection while the remote service center 100 can provide monitoring support during that time, ensuring safety. . In this case, the operation right is automatically transferred to the remote monitoring terminal 240 in a normal state. However, the remote monitoring terminal 240 is provided with a monitoring only mode. The remote operation from the remote service center 100 is also possible. It is possible to respond flexibly according to the situation at that time.

  As described above, by using this function, it is possible to provide optimum operation support with the minimum number of personnel on site while ensuring safety.

100 ... Centralized monitoring center (remote service center)
110, 110A, 110B, 110C, 110I, 110II, 110III ... monitoring operation terminal (DCS terminal)
120 ... Display screen 130 ... ITV video display screen 140 ... Mobile terminal (communication terminal)
150 ... WEB video display screen 160, 310 ... Electric power supply / demand management terminal 180 ... Control server 200, 200A, 200B, 200C ... 200n, ... Waste incineration (power generation) facility (cleaning factory or factory)
210 ... Waste incinerator 220 ... Steam turbine generator 230 ... ITV camera 240 ... Mobile terminal (remote monitoring terminal)
250 ... Central control room 260 ... Wireless LAN
262 ... Monitoring operation terminal in factory 264 ... Remote monitoring operation terminal 270 ... Web camera 300 ... Specific scale electric power company (PPS)
320 ... Electric power company 322 ... Power transmission equipment 400 ... High-speed communication network 500 ... Electric power consumer 800 ... Japan Electric Power Wholesale Exchange

Claims (6)

An optimum operation support system for a power generation facility for monitoring and controlling the operation status of a plurality of power generation facilities at a centralized monitoring center,
A high-speed communication network for transmitting information;
A monitoring means provided in a power generation facility, connected to the high-speed communication network and monitoring the power generation facility, and a control means for controlling the power generation facility;
Power supply and supply information provided to power retailers that procure power from power generation facilities and supply power to consumers, connected to the high-speed communication network and managed to supply power according to the power demand from consumers Power retailers that send and receive
A monitoring operation terminal that is installed in a central monitoring center and is connected to the high-speed communication network to monitor and control the operation status of the power generation facility, and a power generation facility based on power supply and demand information transmitted from a power retailer power supply and demand management terminal With a central monitoring center power supply and demand management terminal that manages the power supply from
The centralized monitoring center is connected to the power generation facility so that the power generation facility supplies power corresponding to the power demand plan amount transmitted from the power retailer power supply / demand management terminal and received by the central monitoring center power supply / demand management terminal. Optimal operation support system for power generation facilities characterized by monitoring and controlling the operation status of   The centralized monitoring center power supply and demand management terminal collectively manages the power supplied from a plurality of power generation facilities, and supplies the power corresponding to the power demand plan amount as the sum of the power supplied from the plurality of power generation facilities. The power generation facility according to claim 1, wherein the monitoring operation terminal monitors and controls the operation status of the power generation facility so that the power supplied from the power generation facility is allocated and the power allocated from each power generation facility is supplied. Optimal operation support system.   The monitoring means of the power generation facility sends an abnormality alarm set in advance to be issued based on the equipment failure alarm and the failure alarm to the monitoring operation terminal of the centralized monitoring center. The optimal operation support system for a power generation facility according to claim 1 or 2, wherein a monitoring / operation screen is displayed from a power generation facility having a high degree of importance of an abnormality alarm.   The power generation facility control means comprises an interlock means for prohibiting remote operation of the power generation facility equipment by the monitoring operation terminal of the centralized monitoring center. Operation support system.   The central monitoring center includes a database that accumulates operation status information of each power generation facility, and an optimum operation condition derivation means that derives an optimum operation condition by referring to the database based on the operation status information transmitted from the monitoring means of the power generation facility. At least one of displaying the optimum operation condition derived by the optimum operation condition deriving means on the operation support screen of the power generation facility and operating the monitoring operation terminal to operate the power generation facility under the optimum operation condition The optimal operation support system for a power generation facility according to any one of claims 1 to 4, characterized in that: A power generation facility operator has a mobile device that can be carried near the power generation facility equipment,
The monitoring means and control means of the power generation facility transmit the monitoring information and control information to the mobile terminal,
The operator of the power generation facility who carried the mobile terminal near the power generation facility equipment grasped the operation status of the equipment from the monitoring information and / or control information displayed on the screen and the status of the equipment actually observed by the operator,
6. The optimum operation support system for a power generation facility according to any one of claims 1 to 5, wherein the centralized monitoring center transmits operation support information according to the operation status information grasped by the operator.