JP2000273457A - Automatic operation control of coke oven bucket vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for automatically controlling the operation of a coke oven bucket vehicle, making it possible to prevent a fire from spreading to a guide vehicle and effectively avoid the collision of the bucket vehicle in an interference area by changing the automatic operation pattern of the bucket vehicle in response to the operation state of the guide vehicle. SOLUTION: The automatic operation of a coke oven bucket vehicle is controlled by changing the automatic operation pattern of the bucket vehicle in response to the operation state of a guide vehicle. Therein, the bucket vehicle loads red heated coke taken out from a coke oven. The automatic operation of the coke oven bucket vehicle is preferably carried out by judging the automatic travel destination of the bucket vehicle on the basis of the present position of the guide vehicle or by determining the waiting position of the bucket vehicle incapable of approaching the coke-charging position of CDQ, when a plurality of the buckets are simultaneously operated using the CDQ.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for automatically controlling the operation of a coke oven bucket car, and more particularly to a method for automatically spreading a bucket car (fire extinguishing car) installed in a coke oven by unmanned operation. The present invention relates to a method of controlling the automatic operation of a bucket car while preventing the problem.

[0002]

2. Description of the Related Art A mobile unit in a coke oven travels to a designated target position scheduled in advance and stops.
Therefore, after completing a predetermined operation, a series of operations including traveling to the next designated target position is continuously performed.

[0003] When these mobile units are automatically operated, as described above, the automatic operation of the mobile units is controlled based on an operation pattern scheduled in advance.

FIG. 7 is a control flowchart showing an automatic driving control method of a bucket car according to the above-mentioned conventional method. FIG. 8 is a diagram showing an operation of a bucket car according to the conventional automatic driving control method.

In FIG. 8, 1 is a coke oven, and 2 is a coke oven.
CDQ (coke dry fire extinguishing equipment), 3 is one bucket truck, 4 is the other bucket truck, 5 and 6 are two buckets towed by each bucket truck, 7 is one guide truck, 8 Is the other guide car, 9 is the bucket car rail, 10 is the guide rail, 11 is the interference area, 12 is
The standby position 13 of one bucket wheel 3 is a standby position of the other bucket wheel 4.

Next, the operation of the bucket car when the automatic driving control is performed by the conventional method will be described.

The red hot coke discharged from the coke oven 1 is loaded in buckets 5 and 6 pulled by bucket trucks 3 and 4. Bucket trucks 3 and 4 transport the glow coke loaded in buckets 5 and 6 to CDQ2,
Put red hot coke into DQ2.

At this time, when a plurality of (two) bucket cars are operated simultaneously with respect to one CDQ2, it is necessary to avoid interference between the bucket cars, that is, collision.
In order to avoid collision between bucket cars, a fixed interference area 11 is provided near CDQ2. When the other bucket truck 4 enters the interference zone 11 and performs work while the other bucket truck 4 enters the interference zone 11, it attempts to enter later. First, one bucket wheel 3 is temporarily stopped at a predetermined standby position 12 outside the interference area 11, and the other bucket wheel 4, which has previously entered the interference area 11 and is working, finishes the work. Until the vehicle leaves the interference area 11, the vehicle is made to stand by at that position, whereby the automatic operation control of the bucket car is performed so as to avoid collision.

[0009]

As described above, in the conventional control method, the standby position of the bucket truck which is going to enter the interference area later is limited to a predetermined specific position (fixed position). ing. Therefore, if the automatic operation control of the bucket car is performed and the interference control is performed as described above immediately after the kiln placed near the standby position is taken out, as shown in FIG. , One of the bucket trucks 3 loaded with red hot coke stops,
One guide wheel 7 is the bucket 5 of one bucket wheel 3,
There is a problem that the fire spreads due to radiant heat from the red hot coke loaded in No. 6.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and can effectively prevent the collision of a bucket car in an interference area while preventing the spread of fire on a guide car. An object of the present invention is to provide an automatic driving control method for a bucket car.

[0011]

Means for Solving the Problems The present inventors have made intensive studies to solve the problems in the above-mentioned conventional method. As a result, based on the current position of the guide car, if the standby position is determined by calculating a position that is not affected by the radiant heat of the red hot coke mounted in the bucket of the bucket car, the spread to the guide car can be avoided. In addition, the present inventor has found that it is possible to provide an automatic driving control method for a bucket truck that can effectively prevent a collision of the bucket truck in an interference area.

The present invention has been made based on the above findings.

According to a first aspect of the present invention, there is provided a method for controlling automatic driving of a bucket car loaded with red-hot coke discharged from a coke oven, wherein the automatic driving pattern of the bucket car is changed according to the driving situation of the guide car. It has.

The invention according to claim 2 is characterized in that the automatic traveling destination of the bucket car is determined according to the current position of the guide car in the driving situation of the guide car.

According to a third aspect of the present invention, when a plurality of bucket cars are operated simultaneously using one CDQ, the
The present invention is characterized in that a standby position of a bucket car that cannot enter the Q coke charging position is determined based on the current position of the guide car.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an automatic operation control method for a coke oven bucket car according to the present invention will be described with reference to the drawings.

FIG. 1 is a diagram showing an automatic driving control flow of a bucket car in the method of the present invention. FIG. 2 is a diagram showing the operation of the bucket car according to the automatic driving control method of the present invention.

In FIG. 2, 1 is a coke oven and 2 is a CD.
Q (coke dry fire extinguishing system), 3 is one bucket truck, 4 is the other bucket truck, 5 and 6 are two buckets towed by each bucket truck, 7 is one guide truck, 8 Is the other guide car, 9 is the bucket car rail,
10 is a guide rail, 11 is an interference area, 14 is a standby position of one bucket truck 3, and 15 is a standby position of the other bucket truck 4.

Next, the operation of the bucket car according to the automatic driving control method of the present invention will be described.

The red hot coke discharged from the coke oven 1 is loaded into buckets 5 and 6 pulled by bucket trucks 3 and 4. Bucket trucks 3 and 4 transport the glow coke loaded in buckets 5 and 6 to CDQ2, and
Put red hot coke into Q2.

In the control method of the present invention, one CD
When a plurality of (two) bucket trucks are operated simultaneously using Q2, one bucket truck 3 interferes when the other bucket truck 4 enters the interference area 11 and works. When a state that attempts to enter the area 11 occurs,
The standby position of one of the bucket trucks 3 that is going to enter the interference area 11 later is automatically calculated.

That is, the red hot coke is supplied to one of the bucket wheels 3
The current position of one of the guide wheels 7 is determined, and based on the position, the guide wheel 7 is affected by the red hot coke outside the interference area 11 and loaded in the buckets 5 and 6 of the one bucket wheel 3. The standby position 14 of the one bucket truck 3 is automatically calculated so as not to be affected, and based on the calculation result, the one bucket truck 3 is temporarily stopped at the determined standby position, and work is performed in the interference area 11. The other bucket truck 4 inside
Is stopped there until the robot ends its operation and leaves the interference area 11. In this way, while preventing the spread of fire to one guide wheel 7, the collision of the bucket wheel is avoided,
Controls automatic driving of bucket trucks.

Here, since the standby positions 14 and 15 are obtained by calculation based on the positions of the guide wheels 7 and 8,
It varies depending on the positions of the guide wheels 7 and 8.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described in more detail by way of embodiments with reference to the drawings.

FIG. 3 is an explanatory diagram showing a method of controlling the operation of the bucket truck on the B furnace group side. Guide car 7 is #
When the other bucket truck (not shown) is working within the interference zone when the other bucket truck (not shown) is working in the interference zone, the interference zone is set before the one bucket truck 3 travels. Checking, # one of the bucket trucks 3 is being taken out of the kiln
The vehicle is driven to the position of # 56 kiln, which is 12 kilns before 68 kilns, and waits until the other bucket truck working in the interference zone moves out of the interference zone.

Similarly, when the guide wheel 7 is located in the # 85 kiln of the B furnace group,
When the other bucket truck (not shown) is working in the interference zone, one bucket truck 3 is driven to a position of # 73 kiln which is 12 kilns before # 85 kiln which is being taken out of the kiln, and in the interference zone. Wait until the other working bucket truck moves out of the interference area.

FIG. 4 is an explanatory diagram showing a method of controlling the operation of the bucket car on the C furnace group side. Guide car 7 is #
When one bucket (not shown) is working in the interference zone when the other bucket truck 4 is located in the 111 kiln and the kiln is to be discharged by the other bucket truck 4, check the interference zone before running the other bucket truck 4. Then, the other bucket truck 4 is moved to the position of # 125 kiln 9 kilns ahead of the next scheduled kiln # 116 kiln, and waits until one bucket working in the interference zone moves out of the interference zone. .

Similarly, when the guide wheel 7 is located in the # 130 kiln of the C furnace group, and when the other bucket wheel 4 takes out the kiln, one bucket (not shown) is working in the interference area. Before running the other bucket truck 4, the interference area is checked, and the other bucket truck 4 is moved to the next scheduled kiln # 14.
The vehicle is driven to the position of # 149 kiln which is 9 kilns ahead of 0 kiln, and waits until one bucket working in the interference zone moves out of the interference zone.

FIG. 5 is a flow chart showing a method of controlling the operation of the bucket truck on the side of the furnace B shown in FIG. 3, and FIG.
FIG. 5 is a flowchart showing a method of controlling the operation of the bucket truck on the C furnace group side shown in FIG. 4.

Note that the standby position outside the interference area of the other bucket car when one bucket person is taking out of the kiln is appropriately determined according to the number of bucket cars, steps, and the like.

By controlling the automatic operation of the bucket truck in this way, it is possible to prevent the collision of the bucket truck while preventing the red hot coke loaded on the bucket from spreading to the guide truck.

[0032]

As described above, according to the automatic operation control method of the coke oven bucket car of the present invention, the influence of the radiant heat of the red hot coke loaded on the bucket of the bucket car is based on the current position of the guide car. The standby position of the bucket car can be determined by calculating the position where the bucket car is not affected by the impact, so that it is possible to effectively prevent the collision of the bucket car in the interference area while preventing the spread of fire to the guide car. Effects are provided.

[Brief description of the drawings]

FIG. 1 is a diagram showing an automatic driving control flow of a bucket car in a method of the present invention.

FIG. 2 is a diagram illustrating the operation of a bucket car in the method of the present invention.

FIG. 3 is an explanatory diagram showing a method of controlling the operation of a bucket car on a furnace B side.

FIG. 4 is an explanatory diagram showing a method of controlling the operation of the bucket truck on the C furnace group side.

FIG. 5 is a flowchart showing a method of controlling the operation of the bucket truck on the B furnace group side.

FIG. 6 is a flowchart showing a bucket car operation control method on the C furnace group side.

FIG. 7 is a diagram showing an automatic operation control flow of a bucket car in a conventional method.

FIG. 8 is a diagram illustrating an operation of a bucket car in a conventional method.

[Explanation of symbols]

 1: coke oven 2: CDQ 3: one bucket truck 4: the other bucket truck 5: bucket 6: bucket 7: one guide truck 8: the other guide truck 9: bucket truck rail 10: guide truck rail 11: interference Area 12: Standby position 13: Standby position 14: Standby position 15: Standby position

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takeshi Hirokawa 1-2-1, Marunouchi, Chiyoda-ku, Tokyo, Japan Inside Nihon Kokan Co., Ltd. (72) Inventor Hirokazu Takahashi 1-2-1, Marunouchi, Chiyoda-ku, Tokyo, Japan (72) Inventor Tatsuro Miyake 1-2-1, Marunouchi, Chiyoda-ku, Tokyo Japan 1-2.Inventor Masahiro Urayasu 1-2-1, Marunouchi, Chiyoda-ku, Tokyo Japan Nippon Steel Pipe Inside (72) Inventor Yoshinori Yamamoto 1-2-1, Marunouchi, Chiyoda-ku, Tokyo Nihon Kokan Co., Ltd. (72) Inventor Sasayoshi 2-3-2, Marunouchi, Chiyoda-ku, Tokyo In-house (72) Inventor Takao Muranaka F-term in Mitsubishi Electric Engineering Co., Ltd. 2-6-1 Otemachi, Chiyoda-ku, Tokyo 4H012 EA02

Claims (3)

[Claims] 1. An automatic operation control method for a bucket car loaded with red hot coke discharged from a coke oven,
An automatic driving control method for a coke oven bucket car, wherein the automatic driving pattern of the bucket car is changed according to the driving situation of the guide car. 2. The automatic driving control of a coke oven bucket car according to claim 1, wherein the automatic driving destination of the bucket car is determined according to the current position of the guide car in the driving situation of the guide car. Method. 3. When a plurality of bucket cars are operated simultaneously using one CDQ, a standby position of the bucket car which cannot enter the CDQ coke charging position is determined based on the current position of the guide car. The automatic operation control method for a coke oven bucket car according to claim 2, wherein