JPH0678526B2 - On-board unmanned operation control system for coke oven accessory machines - Google Patents

Description

TECHNICAL FIELD The present invention relates to an on-board unmanned operation control system for a coke oven accessory machine.

[Prior art]

In the operation of the coke oven, it is necessary to connect four vehicles, the extruder, the charging vehicle, the guide vehicle and the fire extinguisher vehicle. Until now, the coke oven was operated manually by the operating personnel assigned to each vehicle. Was being conducted.

However, the coke oven equipment is harsh for operators in a bad environment with high temperature and a lot of dust, and since each vehicle is large, there is a risk that even a slight operation error may damage the furnace body.

Therefore, there has been a demand for automatic operation of coke oven equipment including four vehicles.

[Problems to be solved by this invention]

However, the introduction of an unmanned system for each vehicle that is a machine attached to the coke oven has been considered in the automatic operation plans up to now, but it has been considered that the unmanned system is installed between the four vehicles and between the four vehicles and the central control room on the ground. There is no communication system between the two, and the situation of each vehicle is grasped by the central control room on the ground side.
Collective control was difficult.

In addition, the introduction of such equipment is to unmanned four vehicles at the same time, such as when constructing a new coke oven, including the central control room, and the introduction to the existing furnace has the problem of temporary suspension of operation, etc.
It was difficult to realize.

Therefore, the present invention has a communication system between four vehicles and between the four vehicles and the central control room, and can be sequentially introduced from any vehicle in accordance with the time of replacing the vehicle even in the existing furnace,
On the contrary, another object of the present invention is to provide a system capable of performing on-board operation in the remaining vehicle groups depending on the stage, such as in the event of a shutdown failure of the central unit or the extruder / charged vehicle after the introduction of all systems.

Further, another object of the present invention is to provide a system in which the condition of each vehicle can be grasped by a control room provided on the ground side and can be collectively controlled, and the state can be grasped in the control room on the extruder during a transitional period of construction. The purpose is to do.

[Structure of Invention]

According to the on-board unmanned operation control system for a coke oven accessory machine of the present invention, a coke oven accessory machine that can be independently operated by a control device independently provided, and these coke oven accessory machines are connected by an optical communication cable. Ground communication station,
Equipped with a ground side control unit that is detachably connected to the ground communication station, and enables intercommunication between each coke oven accessory machine and between the coke oven accessory machine and each coke oven accessory machine by the intervention of the ground communication station. It is characterized in that it is configured as follows.

〔Example〕

 Hereinafter, the embodiments of the present invention shown in the drawings will be described.

FIG. 1 shows an overall view of the system according to the present invention. As an auxiliary machine of the coke oven 1, an extruder 2, a charging vehicle 3, a guide vehicle 4 and a fire extinguishing vehicle 5 are provided. Each of these attached machines is connected to the ground communication controllers 32G, 33G, 34G by an optical fiber cable 6 forming a communication line, and the ground communication controllers 32G, 33G, 34G are further connected to the relay station 7.

Further, an operation input device 9, a work display device 10, and a state monitoring device 11 are connected as a control unit, centering on the control device 8.

Here, the relay station 7 is connected to the control device 8 by an optical fiber cable 6. Therefore, the operation information of each coke oven accessory machine is sent to the control unit 8 via the optical fiber cable 6, the ground communication controllers 32G, 33G, 34G, and the relay station 7, and the contents are displayed on the work display unit 10. It

The ground supervisor confirms the display of the work display device 10 to grasp the operating state of the coke oven work machine.

Further, the operation command of the coke oven working machine is operated by an observer using the operation input device 9.

This operation command is sent from the control device 8 via the optical fiber cable 6 to the working machine such as extruder 2, charging vehicle 3, guide vehicle 4
And transmitted to the fire engine 5.

Next, FIG. 2 shows a block diagram of the extruder 2. A communication device 12 to which the optical fiber cable 6 is connected is provided, and this communication device 12 is connected to the control device 13 unique to the extruder. ing. Further, the control device 13 includes an extruder control panel 31
F is connected to the extruder 2 so that the extruder 2 can operate independently.

The extruder 2 is provided with a solenoid valve 14 and a hydraulic cylinder 15 as operating devices, and a cylinder / stroke detector 16, a pressure detector 17 and an anti-furnace detecting device 31C as operating information detectors.

In addition, an operation information recording device 18 for recording various data
It is equipped with and can record work information and operation information during operation.

Here, the extruder 2 receives an operation command from the control device 8 provided on the ground side by the communication device 12, and the control device 13 causes the solenoid valve 14 to operate.
And the hydraulic cylinder 15 is operated. Prior to this, the control device 13 detects the corresponding furnace opening by the anti-furnace detection device 31C and positions the extruder 2.

During operation of the hydraulic cylinder 15, the data of the cylinder / stroke detector 16 and the pressure detector 17 are stored in the operation information recording device 18, and are stored during the operation of the kiln.

The operating states of the extruder 2, charging vehicle 3, guide vehicle 4, and fire extinguishing vehicle 5 thus operated are displayed on the work display device 10 on the ground side.

As shown in the display example of the work display device 10 in FIG. 3, the work machines 2, 3, 4, 5 are displayed on the diagram showing the furnace arrangement of the coke oven 1.
The kiln number that is actually being worked by is displayed by the work machine work number display 20. This work machine work number display 20 is 2 lights / one vehicle structure, and blue is being prepared and red is being prepared. In addition, when the work machine malfunctions, it blinks red to alert the ground supervisor.

At the bottom of the work display device 10, the loading vehicle work process display 22,
An extruder working process display 23, a guide car working process display 24, and a fire engine working process display 25 are provided.

In this display category, the extruder work process display 23 has the following contents: (i) Lid removal process (ii) Extrusion process (iii) Frame cleaning (iv) Lid cleaning (v) Leveling (vi) Small lid cleaning. Is displayed.

With this display item, the part in the process of execution is lit. further,
A vehicle-to-vehicle connection display 26 is provided at the bottom of the work display device 10. In the inter-vehicle connection display 26, the organic bond is displayed through the coke ovens 1 of two or more vehicles such as leveling in carburizing work, start / completion of leveling of charging vehicle and extruder, mutual exchange of failures, etc. To do.

As described above, under normal operation of the work machine, the operation state is grasped by the work kiln number and work display classification of the work machine.

Here, if there is a failure, the red lamp of the work machine status display 21 lights up to indicate the failure of the vehicle.

The ground guard checks this red lamp, and then checks the abnormal working machine in the four vehicles by checking the kiln lamp status of the four vehicle sections.

Therefore, the work stroke display section 22, 23, 24 below the work display position 10
Check 25 and 25 to see which machine is abnormal in what process.

Further, it is assumed that the symmetric model and the large stroke which have been determined to be abnormal by the work machine state monitoring device 11 are called to know the small and medium strokes. Here, the small and medium strokes are understood as the strokes in the minimum unit of the device such as the cutter rotating part for cleaning the furnace lid that is actually performing the work.

These pieces of information are transmitted from the operation information recording device 18 on the work machine to the control device 8 by recording the relay station 7.

In this way, when an abnormal point is found on the ground side, the data on the position, pressure, etc. relating to it are known to be used as a reference for subsequent measures.

Judging from these operation data, if the operation can be continued, a restart operation is performed by the operation input device 9, and if the operation cannot be continued, the operation is stopped and the relevant part is restored. .

Next, the communication system of the present invention will be described with reference to FIG. In FIG. 4, A is a block diagram of each vehicle communication system device, B is a ground communication station including a relay station and a ground communication controller, and C is a control unit provided on the ground side.

A fire extinguisher vehicle control device 34A is connected to the fire extinguisher vehicle 5, and a fire extinguisher vehicle control communication controller 34E that functions as a communication interface with the outside is connected. In addition, a data setting device that can set the operation data unique to the fire engine 5
It is equipped with 34B and its own fire engine control panel 34F.

Normally, the fire extinguishing car 5 does not need a position detecting device to follow the guide car 4 to perform the work, but the guide car 4, the charging car 3, and the extruder 2 are the respective furnace ports of the coke oven. And it is necessary to detect the entrance. Therefore, the guide vehicle 4, the charging vehicle 3 and the extruder 2 are provided with anti-fire detectors 31C, 32C and 33C in addition to the configuration of the fire extinguishing vehicle 5.

Here, the communication controller 34E for controlling the fire extinguishing vehicle controls the transceiver 4
2, 43 and the optical fiber cable 6 are connected to the ground communication controller 34G and further connected to the relay station 7.

The guide vehicle control communication controller 33E provided on the four guide vehicles is connected to the ground communication controller 33G via the optical fiber cable 6 and further connected to the relay station 7. Therefore, the fire fighting vehicle control controller 34E and the guide vehicle control controller 33E are connected via the relay station 7.

On the two extruders, an extruder control communication controller 31E is connected to the relay station 7 via an optical fiber cable 6.

Communication controller 32 for control of loading vehicle provided in loading vehicle 3
E is connected to the ground communication controller 32G and the relay station 7 via the optical fiber cable 6.

In this way, the relay station 7 enables communication between the four vehicles.

Further, the relay station 7 is connected to the central control communication controller 44 of the control device 8 by the transceivers 42 and 43 and the optical fiber cable 6. Therefore, communication between the four vehicles and between the control device 8 is possible, and unmanned operation of the four vehicles of the coke oven working machine is possible from the control unit provided on the ground side.

Here, when the command from the ground side control unit cannot be given due to an abnormality in the control device 8, the central control communication controller 44 or the optical fiber cable 6, etc., the ground side control unit is disconnected and the extruder 2 is used as the control center. An operator on the extruder 2 controls another vehicle. In this case, the extruder is a machine that directly works on the main body of the coke oven among the machines attached to the coke oven, and is the largest machine in terms of dimensions and is the central machine. Centering is effective and effective in controlling other vehicles.

Further, in the case of a failure of the extruder control device 31A, the extruder control communication controller 31E, the optical fiber cable 6 or the like, the extruder 2 will be manned, but if further necessary,
An on-board unmanned operation of the guide vehicle 4 and the fire extinguishing vehicle 5 can be performed by an observer from above the guide vehicle 4. Similarly, the charging vehicle 3 can also be operated unattended by an observer from near the aircraft.

In addition, in the transitional period of construction or in the case of sequential introduction, the extruder may be configured as a control center from this site, and a ground control unit may be installed and connected later. Although not shown, the extruder is also equipped with a work display device, of course.

As described above, the unmanned system of the entire coke oven working machine does not go down due to a partial failure, but the down section can be separated to operate with the remaining system.

〔The invention's effect〕

The on-board unmanned system embodiment of the coke oven accessory machine according to the present invention is as described above, and the following effects can be obtained.

The status of each vehicle of the coke oven accessory machine can be grasped by the control room provided on the ground side and can be collectively controlled, and the state can be grasped in the control room on the extruder during the construction transition period.

Furthermore, it has a communication system between 4 vehicles and between 4 vehicles and the central control room, and can be installed in any vehicle in sequence even in the existing furnace at the time of vehicle replacement. Alternatively, unattended operation on board the remaining vehicle groups can be performed depending on the stage, such as when the extruder or charging vehicle shuts down.

[Brief description of drawings]

FIG. 1 is an overall view showing a schematic view of an embodiment of the present invention, FIG. 2 is a control block diagram of an extruder, FIG. 3 is a display example view of a work display device, and FIG. 4 is a communication system between respective devices. FIG. 1 ... Coke oven, 2 ... Extruder, 3 ... Charging vehicle, 4 ...
… Guide car, 5 …… Fire extinguisher, 6 …… Optical fiber cable, 7 …… Relay station, 8 …… Coke oven work machine control device, 9 …… Operation input device, 10 …… Work display device, 11 ……
Work machine condition monitoring device, 12 ... Communication device, 13 ... Extruder control device, 14 ... Solenoid valve, 15 ... Hydraulic cylinder, 16 ...
Cylinder stroke detector, 17 ... Pressure detector, 18 ...
… Operation information recorder, 19 …… Coke oven kiln number display, 20
…… Work machine work number display, 21 …… Work machine status display, 22
…… Display of loading work schedule, 23 …… Display of extruder work process,
24 …… Guide car work process display, 25 …… Fire extinguisher work process display, 26 …… Vehicle connection display, 31A …… Extruder control device, 32A …… Loading car control device, 33A …… Guide car control device , 34A …… Fire extinguisher control device, 31B, 32B, 33B, 34B …… Data setting device, 31C, 32C, 33C, 34C …… Anti furnace detection device, 31D, 3
2D, 33D, 34D …… Anti-furnace detection controller, 31E …… Communication controller for extruder control, 32E …… Communication controller for charging vehicle control, 33E …… Communication controller for guide vehicle control, 34E …… For fire fighting vehicle control Communication controller, 31F …… Extruder control panel, 32F …… Charging vehicle control panel, 33F …… Guide vehicle control panel, 34F …… Fire engine control panel, 32G, 33G, 34G …… Ground communication controller, 42 …… Transmitter, 43 …… Receiver, 44 …… Central control controller, 45 …… Printer drive unit, 46 …… Printer, 47 …… Disk drive
Unit, 48 ... disc.

Claims (1)

[Claims] 1. A plurality of coke oven accessory machines, each of which has its own control device and can be operated independently, is provided on the ground side, and is connected to the plurality of coke oven accessory machines by an optical communication line. And a ground communication station that enables communication between the coke oven accessory machines and enables operation control of other machines between the accessory machines, and the ground communication station that is detachably connected to the ground communication station. An on-board unmanned operation control system for a coke oven accessory machine, comprising: a ground-side control unit capable of grasping and controlling the operating status of each of the coke oven accessory machines via