WO2006117855A1

WO2006117855A1 - Remote operation system of incinerator

Info

Publication number: WO2006117855A1
Application number: PCT/JP2005/008076
Authority: WO
Inventors: Masamoto Kaneko
Original assignee: Kinsei Sangyo Co., Ltd.
Priority date: 2005-04-27
Filing date: 2005-04-27
Publication date: 2006-11-09

Abstract

A remote operation system of an incinerator in which abnormality can be adequately dealt with even if no skilled worker is present. The system comprises an incineration plant (1) for processing refuse, an operation center (2) for operating the plant, and a monitoring center (3) located remotely from the incineration plant (1) and the operation center (2) the three interconnected trough a network (4). When automatic operation of a first or second pyrolysis furnace of the incineration plant (1) is performed, the incineration plant (1) is monitored at the monitoring center (3) and the operation center (2). When abnormality occurs during automatic operation of the incineration plant (1), the abnormal state is displayed on monitors (2b, 3c). The monitoring center (3) transmits a recovery handling command to repair the abnormality to the incineration plant (1), thus recovering the operation of the incineration plant (1).

Description

Specification

Remote operation system for incineration equipment

Technical field

[0001] The present invention relates to a system for remotely operating an incineration processing apparatus.

Background art

As an apparatus for incinerating waste such as waste tires, for example, a dry distillation gasification incineration apparatus disclosed in Japanese Patent Application Laid-Open No. 2001-241634 is known. In this dry distillation gasification incineration treatment apparatus, a part of the waste is combusted to dry distillation gasification (pyrolysis), and the combustible gas obtained by the dry distillation is completely burned in a combustion furnace. At that time, in order to prevent generation of nitrogen oxides, dioxin, etc. in the combustion furnace, the oxygen supplied to the combustion furnace from the dry distillation furnace based on the detection values of various sensor forces provided in the dry distillation furnace and the combustion furnace. The amount of (air) is controlled.

[0003] In addition, the operation control of the apparatus is performed by an automatic operation program. For this reason, at the site where the equipment is installed, waste is put into the dry distillation furnace before the start of operation of the equipment, and after the operation of the equipment is finished, ash is discharged from the dry distillation furnace. By performing simple maintenance work, the equipment can be operated satisfactorily.

[0004] However, the types of waste that are put into the carbonization furnace vary depending on the user of the apparatus, and the types of waste are often different from day to day at each site. For this reason, when the device is operated, a warning light for notifying abnormality during automatic operation may be activated for some reason, or automatic operation may be abnormally stopped.

[0005] When an abnormality occurs in the device as described above, it would be a problem if an operator who is familiar with the operation and configuration of the device is in trouble, but such a skilled worker is resident on the site. It is difficult to keep.

[0006] Therefore, in such a case, conventionally, measures have been taken such as dispatching an engineer from the manufacturer of the device to deal with it. However, there were cases where the installation site of the equipment was far from the manufacturer location, and it was difficult to take prompt action. [0007] The present invention aims to improve the remote operation system of the incineration processing apparatus. More specifically, in order to eliminate the inconveniences described above, it is possible to accurately perform anomaly processing even in the absence of skilled workers. An object is to provide a remote control system that can be used.

Disclosure of the invention

In order to achieve the above object, a remote operation system for an incineration processing apparatus of the present invention is connected to an incineration processing apparatus that incinerates waste by an automatic operation program, and the incineration processing apparatus via a network. A remote operation system including a monitoring center for operating the incineration processing apparatus at a remote location, has the following features.

[0009] First, the incineration processing apparatus includes waste recognition means for recognizing the type and weight of waste, and the waste generated by the combustion heat while storing the waste and burning a part of the waste. A carbonization furnace that produces a combustible gas by carbonizing the remainder, a combustion furnace that combusts a combustible gas introduced from the carbonization furnace through a gas passage, and a waste that throws waste into the carbonization furnace Each of a substance charging means, a carbonization temperature sensor for detecting the temperature of the carbonization furnace, a combustion temperature sensor for detecting the temperature of the combustion furnace, and a Co sensor for detecting a carbon monoxide concentration of the exhaust gas of the combustion furnace, It has at least a monitoring camera for imaging the waste input port and the ash discharge port provided in the carbonization furnace.

[0010] Further, the incineration processing apparatus or the monitoring center is provided with storage means, and the storage means includes the operation time and the respective sensors in a state where the incineration processing apparatus is normally operated by an automatic operation program. An operation chart showing the relationship with the standard detection value is stored according to the type of waste, and a threshold having a predetermined width is stored for the operation chart.

[0011] The monitoring center compares the detection value of each sensor and the image captured by the monitoring camera with the detection value of each sensor and the operation chart. An abnormality detection unit that determines that an abnormality is detected when any of the detection values of the sensors exceeds the threshold value, and causes the display unit to display abnormality information.

In the remote operation system for an incineration processing apparatus of the present invention, an operation chart corresponding to the type of waste is stored in the storage means, and the abnormality detection means of the monitoring center is the operation chart and each sensor. The detected value is compared with the detected value to detect the presence or absence of abnormality. Therefore In the present invention, the incineration apparatus can be controlled by an operation chart corresponding to the type of waste, that is, an automatic operation program corresponding to the type of waste. In general, only a skilled worker can operate an incinerator according to the type of waste, but according to the present invention, a skilled worker can be installed at the site where the incinerator is installed! Even in such a case, the incineration processing apparatus can be correctly operated by performing remote operation from the monitoring center.

[0013] In the remote operation system for an incineration processing apparatus according to the present invention, the storage means stores a coping method according to the type of abnormality detected by the abnormality detection means, and the monitoring center Preferably, when an abnormality is detected by the abnormality detection unit, the coping method stored in the storage unit according to the abnormality is displayed on the display unit. When an abnormality occurs in the operating state of the incineration processing apparatus, the monitoring center displays a countermeasure method on the display means, so that a monitoring person monitoring at the monitoring center can quickly and accurately detect the abnormality. It can correspond to.

[0014] In the remote operation system for an incineration processing apparatus of the present invention, the storage means stores a restart program corresponding to the type of abnormality detected by the abnormality detection means, and the monitoring center When the automatic operation program of the incineration processing apparatus is stopped due to an abnormality, the restart program stored in the storage means is transmitted to the incineration processing apparatus in response to the abnormality so as to be restartable, and the display means It is preferable to indicate that restart is possible.

[0015] Even when the incineration processing apparatus is stopped due to an abnormality, a restart program corresponding to the type of abnormality is transmitted from the monitoring center to the incineration processing apparatus, and the display means can be restarted. A message is displayed. In the monitoring center, since the video of the monitoring camera can be seen by the display means, the monitor who monitors the monitoring center can restart the monitoring apparatus while watching the situation of the incineration processing apparatus. .

BEST MODE FOR CARRYING OUT THE INVENTION

Next, an example of an embodiment of a remote control system for an incineration processing apparatus according to the present invention will be described with reference to FIGS. 1 to 8. As shown in FIG. 1, the remote operation system of this embodiment includes an incineration processing plant 1 for processing waste and an incineration processing plant 1. The operation center 2 that operates the plant at the site and the monitoring center 3 that is located away from the operation center 2 are the force. Each of these is connected via a network 4 such as the Internet or ISDN. Hereinafter, in this embodiment, the incineration processing plant 1 and the operation center 2 are provided at a site where waste is processed, and the monitoring center 3 is provided at a plant manufacturer.

The operation center 2 and the monitoring center 3 are control systems each including a computer and various interfaces, and are connected to a network 4. Here, the functional configuration of the monitoring center 3 will be described with reference to FIG. The monitoring center 3 has the following configuration. First, the communication means 3a for exchanging data with the communication means la of the incineration processing plant 1 and the communication means 2a of the operation center 2. Also, a hard disk 3b as a storage means and a monitor monitor 3c as a display means. In addition, it is an abnormality detection means 3d that detects whether there is any abnormality in the automatic operation of the incineration processing plant 1 and displays the abnormality on the monitoring monitor 3c if there is an abnormality. In addition, when an abnormality occurs, the countermeasure display means 3e displays a countermeasure method for the abnormality on the monitor monitor 3c. In addition, when the incineration processing plant 1 is in an abnormal operation state and can be returned by control, it is a return means 3f for returning the operation of the incineration processing plant 1 to normal operation. Furthermore, the restarting means 3g is restarted when the incineration processing plant 1 is abnormally stopped.

[0018] The monitoring monitor 3c displays a screen for displaying the progress status of the automatic operation program of the incineration processing plant 1, the temperature in each facility of the incineration processing plant 1, and the like. The following configuration is stored in the hard disk 3b. First, there is an operation chart database 3i (hereinafter referred to as DB) in which an operation chart 2h of automatic operation of the incineration treatment plant 1 corresponding to the type of waste W is stored. Further, it is an abnormality processing DB ¾ in which a cause and a coping method corresponding to the type of abnormality in the incineration processing plant 1 are stored. Furthermore, the restart program DB3k stores a restart program for restarting by the restart means 3g when the incineration processing plant 1 is abnormally stopped.

[0019] Further, the functional configuration of the operation center 2 includes a communication means 2a, a monitoring monitor 2b, and an operation panel 2c for performing various operations of the incineration processing plant 1.

Next, the configuration of the incineration processing plant 1 of the present embodiment will be described with reference to FIGS. 2 to 4. Light up. Fig. 3 is an explanatory diagram showing an overview of the incineration plant 1, and Fig. 4 is a screen displayed on the monitoring monitors 2b and 3c. In the present embodiment, the incineration processing plant 1 includes two first and second carbonization furnaces 7 and 8 and one combustion furnace 9. Further, the exhaust from the combustion furnace 9 is cooled by the cooling tower 10, soot and the like are removed by the bag filter 11, and discharged from the chimney 13 to the atmosphere via the suction fan 12. The ash generated in the first and second carbonization furnaces 7 and 8 is melted by the ash melting furnace 5 and stored in the slag storage 6. In the present embodiment, the ash melting furnace 5 and the slag storage 6 are not monitored, and thus are not displayed on the monitoring monitors 2b and 3c in FIG. Each facility in the incineration processing plant 1 stores an automatic operation program in a storage device built in the operation panel 2c (see Fig. 2) provided in the operation center 2. Each facility is operated by the operation program.

[0021] As shown in Fig. 3, the first dry distillation furnace 7 ignites waste, an input door 14a provided at an inlet 14 into which waste is input, an exhaust door 15a from which ash is removed. It has an ignition panner 16. Also, the first carbonization furnace 7 is connected with a pusher fan 18 for sending oxygen (air) for carbonizing the waste through the carbonization air control valve 17 (see Fig. 4 for reference numerals 16, 17 and 18). . In addition, each of the carbonization furnaces 7 and 8 is provided with waste input machines 7b and 8b for supplying the waste W into the carbonization furnaces 7 and 8 by pallets 7a and 8a. Barrels 7c and 8c indicating the type and weight of waste W are attached to pallets 7a and 8a, and bar code readers 7d and 8d (waste recognition means) are provided on waste input machines 7b and 8b. ing.

[0022] In the present embodiment, two monitoring cameras 19 are installed on the charging door 14a of each of the first and second carbonization furnaces 7 and 8 and the discharge door 15a provided on the ash discharge port 15, respectively. The video is transmitted to the monitoring monitors 2b and 3c of the operation center 2 and the monitoring center 3. Thus, by providing two monitoring cameras 19 each, the blind spot of the monitoring camera 19 can be eliminated, so that monitoring by each of the monitoring monitors 2b and 3c can be performed reliably. The wall surfaces of the first and second carbonization furnaces 7 and 8 are water jackets 20 for cooling. The water level is detected by a water level gauge (not shown) and transmitted to the operation center 2 and the monitoring center 3. I'm going to speak.

[0023] In the first and second carbonization furnaces 7 and 8, the first and second carbonization furnaces 7e and 8e (see Fig. 2) are installed in the first and second carbonization furnaces 7 and 8, respectively. The temperature in furnaces 7 and 8 is detected Displayed on the monitoring monitors 2b and 3c (Tl, T2). Here, in FIG. 4, the temperature in each of the first and second distillation furnaces 7 and 8 is displayed in two stages, and this is the preset temperature for the automatic operation program. The lower part shows the temperature actually detected. Further, the opening degree of the dry distillation air control valve 17 for controlling the air supplied to the first and second dry distillation furnaces 7 and 8 is also displayed on the monitor monitors 2b and 3c (El, E2).

[0024] The combustion furnace 9 includes a burner furnace 22 that ignites the combustible gas sent from the first and second dry distillation furnaces 7 and 8 by the control burner 21, and an auxiliary burner that assists combustion in the combustion furnace 9. 23 and a hot water boiler (cooling furnace) 24 for cooling the exhaust gas combusted in the combustion furnace 9. As described above, in this embodiment, the hot water heated by the hot water boiler 24 using the combustion heat of waste is made available for air conditioning and the like.

[0025] A pushing fan 18 is also connected to the combustion furnace 9, and combustion air is sent. In the combustion furnace 9, the temperature (T3) in the vicinity of the control burner 21 is detected by the combustion temperature sensor 9a (see Fig. 2). In addition, the temperature in the combustion furnace 9 (T4) and the temperature of the auxiliary burner 23 (T5 ) And the pressure (P) in the hot water boiler 24 are detected by sensors (not shown).

[0026] The cooling tower 10 is provided with a spray 25 for spraying the exhaust gas from the hot water boiler 24, and a water tank 26 for supplying cooling water, a water injection pump 27, and an air compressor 28 are connected to the spray 25. Has been. In this cooling tower 10, the temperature (T6) near the outlet is detected. The exhaust gas sent from the cooling tower 10 to the bag filter 11 is mixed with slaked lime 29 and activated carbon 30 for desulfurization and deodorization.

The bag filter 11 includes a filter unit 31 and a collection unit 32 that collects ash or the like whose exhaust gas power is also separated by the filter unit 31. In addition, a pneumatic compressor 33 for cleaning the filter unit 31 is connected. In the chimney 13, the chlorine concentration sensor (not shown) and the Co sensor 13a (see FIG. 2) detect the chlorine concentration (C1) and the carbon monoxide concentration (C2) of the exhaust gas in the chimney 13. In the present embodiment, the monitoring camera 19 performs imaging so that the state of exhaust gas discharged from the chimney 13 can be monitored.

Next, the operation status of the incineration processing plant 1 will be described with reference to FIGS. 1 to 7. First, as a first mode, the case where the incineration plant 1 is operated remotely by the monitoring center 3 without assigning workers to the incineration plant 1 and the operation center 2 is explained. Light up. The incineration plant 1 of this embodiment first performs carbonization of waste in the first dry distillation furnace 7 and complete combustion in the combustion furnace 9, before the dry distillation of waste in the first dry distillation furnace 7 is completed. The operation of the second dry distillation furnace 8 is started, and operation control of each facility is performed so that combustion is continuously performed in the combustion furnace 9.

Specifically, as shown in FIG. 5, first, the first dry distillation furnace 7 is started (S1), and the incineration plant 1 is automatically operated by the combustible gas generated in the first dry distillation furnace 7. (S2). At that time, the second carbonization furnace 8 is prepared for operation (S3). When the ashing of the waste in the first dry distillation furnace 7 proceeds and the portion that generates flammable gas decreases, the first dry distillation furnace 7 promotes the ashing of the internal waste. Termination processing is performed (S4)

[0030] Next, when the termination process of the first dry distillation furnace 7 is started (Yes in S4), the second dry distillation furnace 8 is started (S5) and combustible gas is generated from the second dry distillation furnace 8. To do. As a result, even if the combustible gas from the first carbonization furnace 7 is reduced by the termination process of the first carbonization furnace 7, the combustible gas is sent from the second carbonization furnace 8 to the combustion furnace 9, so that the combustion furnace In 9, the combustion operation is performed continuously (S6). As described above, by continuously performing the combustion operation in the combustion furnace 9, the hot water boiler 24 can continuously supply the hot water stably to other facilities.

[0031] Further, in the first dry distillation furnace 7 where the end treatment has been completed, the internal ash is discharged and newly filled with waste to prepare for the next operation (S7). Then, when the termination process of the second dry distillation furnace 8 is performed (S8), the first dry distillation furnace 7 is started (S1), and the continuous operation in the combustion furnace 9 is performed (S2).

Next, operation monitoring by the monitoring center 3 during automatic operation of the incineration processing plant 1 in the first dry distillation furnace 7 will be described with reference to FIG. First, waste W is introduced into the dry distillation furnace 7 by the waste input machine 7b, and the input door 14a of the input 14 of the dry distillation furnace 7 is closed (Sl l). Here, in the monitoring center 3, a check is made with an image from the force monitoring camera 19 in which the door 14a of the inlet 14 is securely closed (S12). This check may be automatically performed by image processing or the like, which may be performed by a supervisor. Then, the monitoring center 3 obtains the waste information of the type and weight of the waste W read in advance by the barcode reader 7d (S13), and the monitoring center 3 operates the operation chart 2h according to the type of the waste W. Is the drive of hard disk 3b DB3 is also selected (S14). Then, the monitoring center 3 starts the automatic operation of the incineration processing plant 1 by the automatic operation program stored in the operation panel 2c of the operation center 2 (S15).

[0033] The operation chart 2h will be described with reference to FIG. 7. The upper part of FIG. 7 shows the temperature of the combustion furnace 9, the middle part shows the temperature of the dry distillation furnace 7, and the lower part shows the carbon monoxide concentration in the chimney 13. Each horizontal axis is a time axis. The alternate long and short dash line shown in operation chart 2h is the standard value when incineration plant 1 is operating normally. When the operation of the incineration plant 1 is started, the monitoring center 3 uses the dry distillation temperature sensor 7e, the combustion temperature sensor 9a, and the Co sensor 13a to detect the temperature (T1) of the first dry distillation furnace 7 and the combustion furnace 9 The temperature (T4) and the carbon monoxide concentration (C2) of the chimney 13 are shown in the operation chart 2h and monitored whether they deviate from the standard value by more than a predetermined threshold (S16). In the monitoring center 3, the monitoring monitor 3c displays the image data of the monitoring camera 19, and the status of the entrance door 14a and the discharge door 15a of the first dry distillation furnace 7 is monitored.

Then, for example, as shown in FIG. 7, the rising temperature of the combustion furnace 9 at the time of start-up becomes steep, and the detection value of the combustion temperature sensor 9a in the time from the start of operation exceeds a predetermined threshold value. In this case (NG position in Fig. 7), the following processing is performed. First, in the case of such a slight abnormality, the incineration processing plant 1 does not stop abnormally but continues to operate (S17 No). At the same time, the abnormality detection means 3d of the monitoring center 3 searches the abnormality data stored in the abnormality processing DB 3j in the hard disk 3b for the cause of the abnormality when the temperature of the combustion furnace 9 rises rapidly at the start-up. When the rise temperature of the combustion furnace 9 at the time of start-up is steep as in this example, the concentration of carbon monoxide and carbon monoxide in the combustible gas sent from the dry distillation furnace 7 is high. It is remembered that the opening of the dry distillation air control valve 17 is large as a cause (S26).

Accordingly, the abnormality detection means 3d of the monitoring center 3 displays on the monitoring monitor 3c that the temperature of the combustion furnace 9 is higher than normal, and at the same time, a buzzer (not shown) allows the monitoring center 3 to monitor. Informs (S26). Further, the countermeasure display means 3e searches for the countermeasure method stored in the abnormality processing DB¾ and displays it on the monitoring monitor 3c. Furthermore, the return means 3f throttles the opening of the dry distillation air control valve 17 so that the temperature of the combustion temperature sensor 9a is a predetermined threshold value during normal operation. The incineration plant 1 is adjusted so as to enter the inside (S27). If the temperature of the combustion temperature sensor 9a falls within the predetermined threshold value during normal operation (Yes in S28) by the return means 3f, then automatic operation is performed as usual in the incineration plant 1 and abnormality detection means 3d Resets the alarm display and buzzer of the monitoring motor 3c to the normal state (S29).

[0036] If the temperature of the combustion temperature sensor 9a does not fall within the predetermined threshold value during normal operation (No in S28) even when the return operation of the return means 3f is performed, the operation center 2 Dispatch personnel to the operation center 2 or the incineration processing plant 1 to directly perform an error recovery process. In this case, the monitoring center 3 displays the return processing method on the monitoring monitor 2b of the operation center 2 (S30).

[0037] On the other hand, the operation of the incineration plant 1 is automatically stopped, for example, when the input door 14a is opened due to abnormal combustion in the first or second dry distillation furnace 7 or 8, for example. . As described above, when the operation of the incineration processing plant 1 is abnormally stopped (Yes in S17), the abnormality monitoring means 3d of the monitoring center 3 notifies the monitoring monitor 3c that the abnormality has been stopped (S18). At the same time, the cause of the abnormal stop is diagnosed by the countermeasure display means 3e of the monitoring center 3 (S18), and the countermeasure for the opening of the closing door 14a that caused the abnormal stop is detected by the error processing DB¾force and the monitor monitor 3c To display.

[0038] As described above, even when the incineration processing plant 1 is abnormally stopped due to the opening of the charging door 14a, if the charging door 14a can be closed automatically (S19), the worker is informed to the incineration processing plant 1. Need not be dispatched. In such a case, the closing door 14a is automatically closed by the return means 3f and the video of the monitoring camera 19 is checked by the monitoring monitor 3c (S20) .If there is no inconvenience (Yes in S21), the monitoring center 3 The notification indicating the abnormality is canceled (S22). In addition, the restart means 3g transmits the restart program stored in the restart program DB3k to the operation panel 2c of the incineration processing plant 1 provided in the operation center 2 to perform the restart process (S23 ).

[0039] On the contrary, if there is a problem such as that the airtightness cannot be maintained just by closing the closing door 14a automatically.

(No in S21), dispatch a worker to the installation site of incineration plant 1 or ask a person in charge at the installation site to return. At that time, the monitoring center 3 transmits data indicating an instruction for return processing to the operation center 2 (S25). As a result, the monitoring monitor 2b of the operation center 2 The return processing instruction for the incineration processing plant 1 transmitted from the monitoring center 3 is displayed. For example, if the charging door 14a opens due to abnormal combustion in the first dry distillation furnace 7 as shown in this example, check the packing condition of the charging door 14a. An instruction such as “seal with water when door 14a is closed” is displayed.

[0040] Then, the operator of the operation center 2 removes the cause of the abnormal stop of the incineration processing plant 1 according to the instruction. Thus, when the return process at the operation center 2 is completed, the operation center 2 notifies the monitoring center 3 that the return process has been completed.

[0041] The monitoring center 3 that has received the notification of the completion of the return process from the operation center 2 checks whether or not the return process performed by the operation center 2 has been performed correctly (S20). Specifically, the status of each facility is checked by the display on the monitor 2b shown in Fig. 4. In addition, the video of the surveillance camera 19 is checked at the surveillance center 3 to confirm whether the state of the entrance door 14a and the exit door 15a of the first dry distillation furnace 7 is normal.

[0042] When the monitoring center 3 confirms that the return processing of the incineration processing plant 1 has been performed correctly (Yes in S21), the abnormality detection means 3d cancels the abnormality notification (S22). The monitoring center 3 sends the restart program stored in the restart program DB3k to the operation panel 2c of the incineration processing plant 1 provided in the operation center 2 by the restart means 3g. Then, the incineration plant 1 is restarted by the restart instruction of the monitoring center 3 (S23). Then, the above process is performed until the operation is finished (S24).

Next, as a second aspect of the present embodiment, an operation in the case where a worker who performs an operation in the incineration processing plant 1 and the operation center 2 is resident will be described with reference to FIG. When the incineration processing plant 1 is automatically operated by the first dry distillation furnace 7 (S31), the monitoring center 3 and the operation center 2 monitor the incineration processing plant 1 (S32). Specifically, at the operation center 2 and the monitoring center 3, values such as the temperature of the first dry distillation furnace 7 (T1), the temperature of the combustion furnace 9 (T4), or the carbon monoxide concentration (C2) of the chimney 13 Monitors whether or not the vehicle is operating at a specified value. In the operation center 2 and the monitoring center 3, workers can also check these numerical values by using the monitoring monitors 2b and 3c shown in FIGS. In the operation center 2 and the monitoring center 3, the status of the input door 14a and the discharge door 15a of the first dry distillation furnace 7 is monitored by the image data of the monitoring camera 19. [0044] If there is any abnormality in the incineration processing plant 1 (Yes in S33), it is determined in the monitoring center 3 whether or not there has been an abnormal stop of the incineration processing plant 1 (S34). In the incineration plant 1, when the value detected by various sensors exceeds a predetermined threshold, or when the input door 14a is opened due to abnormal combustion in the first or second dry distillation furnace 7, 8. The operation of the incineration processing plant 1 is automatically stopped.

[0045] As described above, when the operation of the incineration processing plant 1 is abnormally stopped (Yes in S34), the monitoring monitors 2b and 3c of the monitoring center 3 and the operation center 2 are notified that the abnormal stop has been made. (S35), the cause of the abnormal stop is diagnosed in the countermeasure display means 3e of the monitoring center 3 (S36). Specifically, it is checked whether the panners, pumps, etc. provided in each facility are operating normally, or whether the detection values of various sensors are within the threshold values. If there is something that exceeds, make the equipment clear.

[0046] When the cause of the abnormal stop of the incineration processing plant 1 is found in the countermeasure display means 3e of the monitoring center 3, the data of the return processing stored in the hard disk 3b is extracted. In the present embodiment, causes and countermeasures corresponding to the type of abnormality of the incineration processing plant 1 in the abnormality processing DB¾ are extracted. In this abnormality processing DB 3, data of restoration processing corresponding to the abnormal state of the incineration processing plant 1 is stored as a data table, and data of restoration processing is extracted from the data table.

Next, the countermeasure display means 3e of the monitoring center 3 transmits data indicating a return processing instruction to the operation center 2 (S37). As a result, the instruction for the return processing of the incineration processing plant 1 transmitted from the monitoring center 3 is displayed on the monitoring monitor 2b of the operation center 2. For example, if the charging door 14a is opened due to abnormal combustion in the first distillation furnace 7, check the state of the knocking of the charging door 14a, and if the airtightness cannot be maintained, close the charging door 14a. An instruction such as “seal with water” is displayed.

[0048] Then, the operation center 2 removes the cause of the abnormal stop of the incineration processing plant 1 according to the instruction (S38). When the return process at the operation center 2 is completed, the operation center 2 notifies the monitoring center 3 that the return process has been completed (S39).

The monitoring center 3 that has received the notification of the end of the return process from the operation center 2 checks whether or not the return process performed by the operation center 2 has been performed correctly (S40). Specifically, it is shown in Figure 4. The status of each equipment is checked by the display of the monitoring monitor 3c. In addition, the video of the monitoring camera 19 is checked at the monitoring center 3 to check whether the state of the charging door 14a and the discharging door 15a of the first dry distillation furnace 7 is normal.

[0050] When the monitoring center 3 confirms that the return processing of the incineration processing plant 1 has been performed correctly, the monitoring center 3 uses the restart means 3g to operate the control panel 2c ( A program for restarting is sent to (see Fig. 2) (S41). Then, the incineration processing plant 1 is restarted by the restart start instruction of the restarting means 3c of the monitoring center 3 (S42).

[0051] On the other hand, in the incineration treatment plant 1, if the abnormality that occurred during the automatic operation is mild, the operation is continued without stopping abnormally (No in S34). For example, when the water level in the water jacket 20 provided in the first dry distillation furnace 7 is lower than the warning threshold, the monitoring center 3 and the operation center 2 are notified by a warning lamp and a warning buzzer. However (S43), if the water level is higher than the threshold for an abnormal stop, the incineration plant 1 will not stop abnormally and will continue to operate in a warning state.

When the abnormality is notified to the monitoring center 3 in this way, the cause of the abnormality is diagnosed by the abnormality detection means 3 d of the monitoring center 3 (S44). When the cause of the abnormal stop is found, the response display means 3e of the monitoring center 3 transmits data indicating the return processing instruction to the operation center 2 (S45). For example, “the valve for supplying cooling water to the water jacket 20 of the first dry distillation furnace 7 is forcibly opened”. At this time, the operation center 2 eliminates the cause of the abnormal stop of the incineration processing plant 1 according to the instruction (S46).

In the present embodiment, the monitoring center 3 monitors the incineration processing plant 1 as described above. When an abnormality occurs in the incineration processing plant 1, the monitoring center 3 appropriately returns to the operation center 2. A processing instruction is transmitted. Therefore, in the operation center 2, even an operator having a low level of knowledge of the incineration processing plant 1 can surely perform the abnormal recovery processing of the incineration processing plant 1 in accordance with the instruction from the monitoring center 3.

[0054] When the recovery process for the abnormality is completed only by transmitting data from the monitoring center 3 to the incineration processing plant 1, the monitoring center 3 transmits the data for returning the abnormality to the incineration processing plant 1, 2 may be informed that the process has been performed. . Even with such processing, the incineration processing plant 1 can be operated smoothly without imposing a burden on the operator of the operation center 2.

[0055] Further, according to the present embodiment, the automatic operation program is stored in the operation panel 2c of the operation center 2, and the restart program 3g of the monitoring center 3 is also used for the restart program. The case of sending to incineration processing plant 1 has been described, but not limited to this, an automatic operation program is stored in incineration processing plant 1, and a program for restart is sent from monitoring center 3 to incineration processing plant 1. It may be. That is, the automatic operation program and the restart program need only be finally executable in the incineration processing plant 1, and the storage location can be any location.

[0056] In this case, when the automatic operation of the incineration processing plant 1 is stopped due to an abnormality, the cause of the abnormal stop is diagnosed by the abnormality detecting means 3d of the monitoring center 3, and the abnormality processing DB¾ of the monitoring center 3 is detected. The recovery process data stored in is extracted and sent to the operation center 2. In the operation center 2, the return processing of the incineration processing plant 1 is performed according to the data of the return processing. At this time, the monitoring center 3 monitors the return processing work in the operation center 2 by the monitoring camera 19 and the monitoring motor 3c, and if any inconvenience occurs, the monitoring center 3 applies the inconvenience to the operation center 2. Instruct to correct the problem. As a result, even when the abnormality recovery process is performed via the operation center 2, the abnormality recovery process can be reliably performed by an instruction from the monitoring center 3.

Next, the contents of the restart program transmitted from the monitoring center 3 to the operation center 2 when the incineration processing plant 1 is abnormally stopped in the present embodiment will be described.

[0058] When the incineration plant 1 is abnormally stopped while being operated by the automatic operation program, the dry distillation air control valve 17 for supplying air to the first dry distillation furnace 7 is closed, and the control burner 21 of the combustion furnace 9 is closed. In addition, the auxiliary panner 23 is stopped and the suction fan 12 is also stopped. At monitoring center 3, it is confirmed that these facilities are stopped before starting the operation by the restart program.

From this state, only the suction fan 12 is operated for a predetermined time without operating the ignition pan 16. As a result, the gas in the combustion furnace 9, the cooling tower 10 and the bag filter 11 is discharged so that abnormal combustion or the like does not occur when the combustion furnace 9 is restarted. At this time, the push-in The power to start the gas generator 18 is also closed, so that no air is sent to the first carbonization furnace 7.

[0060] Next, the control burner 21 of the burner furnace 22 is burned with fuel and heated so that the temperature in the vicinity of the control burner 21 reaches a temperature exceeding 800 ° C. At this time, the auxiliary panner 23 is switched from “off” to “automatic control”.

[0061] Next, the opening of the dry distillation air control valve 17 of the first dry distillation furnace 7 is set to a constant opening. As a result, the air from the pushing fan 18 is sent into the first dry distillation furnace 7. In the first dry distillation furnace 7, combustion is performed before the abnormal stop, and even if the supply of air to the first dry distillation furnace 7 is stopped due to the abnormal stop, the air remaining in the first dry distillation furnace 7 As a result, burning continues. Therefore, when air is sent again into the first carbonization furnace 7, the carbonization of the remaining waste is resumed.

[0062] Then, the opening degree of the dry distillation air control valve 17 is increased by a certain opening degree every predetermined time.

In this way, by gradually increasing the amount of air supplied into the first dry distillation furnace 7, the dry distillation in the first dry distillation furnace 7 is smoothly restarted, and the first dry distillation furnace 7 This prevents abnormal combustion from occurring.

[0063] At the start of the first dry distillation furnace 7, the ignition pan 16 is operated to ignite part of the waste, and the opening degree of the dry distillation air control valve 17 is increased by a constant opening degree every predetermined time. However, the opening degree is larger than that at the time of restart. The reason for making the opening smaller than at the time of restarting at the time of restarting is a temporary stop in the state where the dry distillation of the waste has already been performed at the time of restarting, so that the waste is burned and burned over a wide range. This is because if the air for dry distillation is sent in the same way as at the start, the combustion is suddenly restarted and is not suitable for dry distillation. In the present embodiment, the opening degree of the dry distillation air control valve 17 at the time of restarting is set to an opening degree that is half or less of that at the normal start time.

[0064] Then, when the amount of combustible gas sent from the first dry distillation furnace 7 to the combustion furnace 9 increases and the temperature of the combustion furnace 9 recovers to the same temperature as during normal operation, the dry distillation air control valve 17 Switch the control to automatic control and shift to normal operation.

[0065] Thus, in this embodiment, since the monitoring center 3 is installed at the location of a manufacturer having a lot of technical information (including know-how) regarding the incineration processing plant 1, Appropriate measures can be taken when an abnormality occurs in the plant. In addition, for abnormalities that cannot be recovered only by remote operation from the monitoring center 3, by giving accurate instructions to the operation center 2 connected to the monitoring center 3 and the network 4, the abnormality of the incineration plant 1 Can be restored. Since the monitoring center 3, the operation center 2, and the incineration processing plant 1 are each connected to the network 4, the abnormality processing can be quickly performed even when the distances between them are long.

In the above-described embodiment, the force described for the automatic operation of the incineration processing plant 1 by the first dry distillation furnace 7 is the same as that in the automatic control by the second dry distillation furnace 8. In the above embodiment, the network 4 uses a public line such as the Internet or ISDN. However, the network 4 is not limited to this, and includes a network connected to each other by a dedicated line.

Brief Description of Drawings

FIG. 1 is an explanatory diagram showing the configuration of a remote operation system for an incineration processing apparatus according to the present invention.

FIG. 2 is a block diagram showing a functional configuration of a remote operation system of the incineration processing apparatus.

[Fig. 3] An explanatory diagram showing the outline of the incineration plant.

[Fig. 4] An explanatory diagram showing the system displayed on the monitor screen.

FIG. 5 is a flowchart showing the operation status of the incineration processing apparatus.

FIG. 6 is a flowchart showing the operation status of the incineration processing apparatus.

[Fig. 7] An operation chart showing temperature changes during automatic operation.

FIG. 8 is a flowchart showing a monitoring state during automatic operation of the incineration processing apparatus.

Explanation of symbols

[0068] 1 ... Incineration processing plant (incineration processing equipment), 2 ... Operation center, 2h ... Operation chart, 3 ... Monitoring center, 3b ... Hard disk (storage means), 3c ... Monitoring monitor (display means), 3d ... Abnormal detecting means, 4 ... network, 7, 8 ... the dry distillation furnace, 7b, 8b ... waste dosing means, 7d, 8ά · ·· bar code reader (waste recognition means), 7 _e, 8e ... carbonization temperature sensor, 9a ... Combustion temperature sensor, 9 ... Combustion furnace, 13a "'Co sensor, 14 ... Waste input port, 15 ... Ash discharge port, 19 ... Surveillance camera.

Claims

The scope of the claims

[1] A remote operation system comprising 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. There,

The incineration processing apparatus comprises waste recognition means for recognizing the type and weight of waste, and dry distillation of the remainder of the waste by the combustion heat while storing the waste and burning a part of the waste. A carbonization furnace for generating combustible gas, a combustion furnace for combusting combustible gas introduced from the carbonization furnace through a gas passage, waste input means for inputting waste into the carbonization furnace, A carbonization temperature sensor for detecting the temperature of the carbonization furnace, a combustion temperature sensor for detecting the temperature of the combustion furnace, a Co sensor for detecting the carbon monoxide concentration of the exhaust gas of the combustion furnace, and at least the carbonization furnace. And a monitoring camera that images the waste discharge port.

The incineration processing apparatus is normally operated by the automatic operation program !, and stores an operation chart showing the relationship between the operation time in the state where the incineration processing apparatus is in normal condition and the standard detection value of each sensor according to the type of waste, Storage means for storing a threshold having a predetermined width for the operation chart is provided in the incineration processing apparatus or the monitoring center,

The monitoring center compares the detection value of each sensor and the operation chart with display means for displaying the detection value of each sensor and the image captured by the monitoring camera, and the detection value of each sensor. A remote operation system for an incineration processing apparatus, comprising: an abnormality detection unit that determines that an abnormality is detected when any of the above values exceeds the threshold value and causes the display unit to display abnormality information.

[2] The storage means stores a coping method according to the type of abnormality detected by the abnormality detection means, and the monitoring center responds to the abnormality when an abnormality is detected by the abnormality detection means. The remote operation system for an incineration processing apparatus according to claim 1, wherein the coping method stored in the storage means is displayed on the display means accordingly.

[3] The storage unit stores a restart program corresponding to the type of abnormality detected by the abnormality detection unit, and the monitoring center performs the operation when the automatic operation program of the incineration processing apparatus stops due to an abnormality. Restart program stored in the storage means according to the abnormality 2. The remote operation system for an incineration processing apparatus according to claim 1, wherein the ram is transmitted to the incineration processing apparatus to enable restart, and the display means displays that the restart is possible.