JPH06300460A - Method for controlling stopping position of pallet dolly for sintering machine - Google Patents

Abstract

PURPOSE:To contrive the reduction of labor and personnel and the improvement of operational efficiency by a method wherein, by a central control and monitor operating device CRT, a predetermined pallet is automatically stopped in a predetermined position by remote control during operation or in a periodical shutdown period in order to easily replace or repair the pallet and later restarting is also effected by remote control. CONSTITUTION:A sintering machine 204 is automatically stopped with the position of each pallet dolly 205 of a sintering machine 204 normally stored in memory and after setting predetermined pallet dolly location numbers 1-180 and pallet dolly number 206 and inputting the stop control of the sintering machine 204. At the time of replacing the pallet dolly 205, the number of the pallet dolly 205 to be replaced is preset and, at the time of restarting after replacing the pallet dolly 205, the number of the pallet dolly 206 newly-inserted into the former position is automatically input. By continuing control of the tracking of the pallet dolly 205, the stopping position of the pallet dolly 205 is automatically controlled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention repairs and replaces a pallet of a sintering machine of a steel sinter facility and a pan of a cooling machine (hereinafter, represented by "sintering machine pallet" in the present specification). The present invention relates to a method for realizing fixed position stop control when performing.

[0002]

2. Description of the Related Art When replacing a sinter machine pallet in a sinter facility,
Positioning of the pallet truck during repair of the truck is usually performed manually by operating the site while visually observing the machine.

[0003]

However, the conventional positioning by the site operation requires a lot of manpower and time, is wasteful, and is a cause of lowering of operating efficiency. In particular, since the pallet truck has a structure in which it is circulated and does not reverse, if the pallet truck goes too far from a predetermined position when inspecting or replacing the pallet, another lap must be made. It is important to stop securely in position. The problem to be solved by the present invention is to easily stop and replace a predetermined pallet at a predetermined position from a central operation / monitoring device CRT by a remote control during operation or on a regular repair day. In addition to the above, it is also possible to provide a pallet truck stop position control method for the purpose of saving labor and manpower and improving operating efficiency by performing remote operation also for the subsequent restart.

[0004]

In order to solve the above problems, a method of controlling the position of a pallet truck for a sintering machine according to the present invention is a pallet type sintering machine in which the location number of each pallet truck and all pallets are stopped. A pallet carriage that determines the unique number of the carriage and a pallet carriage that serves as a reference for positioning, and a reference pallet carriage passage detector that detects the passage of the reference pallet carriage and a pallet carriage passage that detects the passage of all pallet carriages A detector, a pallet truck display device that displays the pallet truck number located at the location number, an exchange pallet number setter and an inserted pallet number setter that sets the pallet truck stop position and the new and old numbers of the pallet truck to be replaced And a stop position setter that sets the position at which the set pallet truck stops, and a pallet truck It is equipped with a pallet carriage position corrector that corrects the position so that the pallet carriage position will be normal if the position detection / display shifts, and the pallet carriage is walked by detecting the operation of the pallet carriage passage detector. When the reference pallet truck passing detector is operating, the pallet truck position is checked for consistency, and the pallet truck position is automatically corrected so that the pallet truck positions that match all the pallet truck positions are detected and displayed. Is.

[0005]

According to the present invention, the positions of the individual pallet trucks of the sintering machine are always stored, a predetermined pallet truck location number and pallet truck number are set, and the sintering machine stop control is turned on. When the pallet truck is replaced, the number of the pallet truck to be replaced is set in advance, and when the pallet truck is restarted after the pallet truck is replaced, the newly inserted pallet truck number is automatically set. By inputting to, and continuously performing tracking control of the pallet truck, the stop position control of the pallet truck is automatically performed.

[0006]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is an outline of the equipment configuration of the sintering machine of the present invention. In the figure, the sintering raw material stored in the raw material tank 201 is cut out from the drum feeder 202, placed on the pallet carriage 205 of the sintering machine 204 circulated by the sintering machine driver 203, fired and discharged. Transported to the mine side. Pallet truck 20 with the sintering machine 204 stopped
The locations 206 of No. 5 are sequentially numbered from 1 as shown in FIG. In this example, it is set to 1-180. Further, it is equipped with a pallet truck passage detector 207 that operates each time the pallet truck 205 passes, and reference pallet truck detectors 208-1 and 208-2 that operate when a predetermined reference truck passes.

FIG. 2 shows a CRT screen according to the present invention, and FIG. 3 shows a block diagram of a configuration example of a pallet truck stop position control device. Reference numeral 301 in FIG. 3 is a CRT main body, and operation monitoring signals on the CRT screen in FIG. 2 are in communication with the controller 300 in FIG. The setting / operation signals on the CRT screen of FIG. 2 are as shown in FIG.
Send from the CRT main body 301 to the controller 300,
The control monitoring information 302 executed by the controller 300 is received, and the above-mentioned CRT screen display command is given. The sintering machine driver 203 is driven by the drive controller 303. The pallet truck 205 moves by driving the sintering machine driving device 303. The drive command to the drive control device 303 is an output operation command resulting from the control by the controller 300.

In the example of the CRT screen of FIG. 2, the CRT screen displays a facility outline similar to the facility configuration diagram of FIG. In FIG. 2, reference numeral 204A denotes a sintering machine 204,
3A is an operation display of the sintering machine driver 203, 207A is an operation display of the pallet truck passage detector 207, and 208-1A and 208-2A are operation displays of the reference pallet truck passage detectors 208-1 and 208-2, respectively. It is displayed by the action. Reference numeral 230 is a pallet truck address, which has 180 addresses from 1 to 180 in this example. Reference numeral 231 is a pallet truck number display, and all the pallet trucks of the sintering machine have unique numbers, and display which pallet truck is located and passing at each pallet truck address. .

The pallet truck number display 231 detects the operation of the pallet truck passage detector 207, and the controller 3
The step commander 304 of 00 outputs the step command of the pallet truck 231 to the pallet truck shift controller 305, and the CRT body 301 indicates the pallet truck number currently located at the pallet number stored in the shift controller 305. It receives and displays, and displays the pallet truck number currently located at each pallet position of 180. The pallet truck shift controller 305 is configured to step the pallet number by the number of steps given by the step commander 304. The step commander 304 is a pallet truck passing detector 20.
Step 7 moves the pallet truck to the first address. When the position correction 219 is turned on, the control data setting unit 306 receives and stores the setting for forcibly stepping the positive or negative two-digit address of "-99" or "+99" on the display unit 220, and outputs the step command. The device 304 increments the set number of forced increments. Then, the pallet truck passing detector 207 and the reference truck passing detector 20
During the operation of 8-1, position comparison is performed by the position comparators 307 and 308 to determine whether or not the reference pallet truck address is located on the reference pallet truck address. If they do not match, the count error detector 309 shifts the shift. Along with detecting
The CRT screen 301 is transmitted and displayed, and at the same time, it is transmitted to the step commander 304 so as to step the deviation, and the step commander 3
At 04, the shift amount is increased.

A pallet truck extraction number is set in the extraction number 213, and the spare pallet 2 is set in the insertion number 214.
Set the desired pallet number to insert from 21,
At the stop position 212, the address of the pallet truck for which replacement of the pallet truck set by the extraction number and the insertion number is to be stopped is set. A control input 211 is a selection input / off command device for performing stop control, and by selecting control input, control for stopping at the stop position setting number is executed. The setting signal from these CRTs is used as the control data reception storage unit 3
06 and stored. The sampling number 213 is added to the pallet stop position number set in the stop setting address 212.
The pallet truck number set in is the pallet stop position-
No. The pallet position / pallet trolley number data stored in the storage unit 310 and controlled and stored by the pallet trolley shift controller 305 is compared with the stop position comparator 311, and if they match, a drive stop command to the sintering machine drive is issued. To the drive controller 303 to stop the driving machine 203. After stopping the drive, replace the pallet truck. After the pallet truck is completely replaced, the restart operator 215 is operated (turned on) to replace the pallet number set in the insertion number 214 with the pallet truck that has been removed. In the case of repair only, the insertion number 214 is set to "0".
In the case of "0", it means that the pallet truck is not extracted, and the extraction number and the insertion number are not exchanged.

The address 217 and the number setting 218 are for setting the initial state of the pallet truck, and are intended to input the number of the pallet truck inserted in the pallet truck address 230. The position correction 219 is a selector for correcting the displacement of the pallet truck (due to malfunction of the pallet passage detector, etc.), and by selecting the position corrector 219, a minus or plus step setting device of -99 to +99. The address entered in 220 is incremented regardless of the operation of the pallet passage detector. The count error 216 collates the data stored in the pallet tracking device with the reference pallet trolley position when the reference pallet trolley passing detector operates, and if they do not match, an alarm is issued and simultaneously the number of offsets is displayed. .
The shift amount is also automatically corrected so as to be the actual pallet carriage position.

[0012]

As described above, according to the present invention,
In the central CRT operating / monitoring device, reliable stop position control of the pallet truck of the sintering machine can be realized, and the stop position control of the pallet truck that saves labor and manpower and does not reduce the operation efficiency can be performed.

[Brief description of drawings]

FIG. 1 is a schematic diagram of the equipment configuration of a sintering machine according to the present invention.

FIG. 2 is a CRT screen according to the present invention.

FIG. 3 is a block diagram showing a configuration example of a pallet truck stop position control device for carrying out the method of the present invention.

[Explanation of symbols]

201 raw material tank, 202 drum feeder, 203 sintering machine driving machine, 204 sintering machine, 205 truck, 1-18
0 pallet truck stop position address, 206 pallet truck number, 207 pallet truck passing detector, 208-1,
208-2 Reference pallet truck passing detector, 211 Control input, 212 Stop position, 213 Extraction number, 21
4 insert number, 215 restart, 216 count error, 217 address, 218 number setting, 219 position correction, 220 step setting device, 221 preliminary pallet, 230
Pallet truck number, 231 Pallet truck, 300
Controller, 301 CRT main body, 302 control monitoring information, 303 drive control device, 304 step commander, 3
05 Pallet dolly shift controller, 306 Control data reception storage device, 307, 308 Position comparator, 309 Count error detector, 310 Stop position-No. Memory, 311 Stop position comparator

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Mizuwa Takewa 5-3 Tokai-cho, Tokai-shi, Aichi Prefecture Nippon Steel Co., Ltd. Nagoya Steel Works (72) Inventor Masayuki Watanabe 5-Tokai-cho, Tokai-shi, Aichi Prefecture 3 Nippon Steel Co., Ltd. Nagoya Steel Works (72) Inventor Junji Hayashi 5-3 Tokai-cho, Tokai-shi, Aichi Prefecture Nippon Steel Co., Ltd. Nagoya Works

Claims (1)

[Claims] 1. In a pallet-type sintering machine, a location number of each pallet truck and a unique number of all pallet trucks are determined in advance when the pallet truck is stopped, and a pallet truck that serves as a reference for positioning is determined. A reference pallet truck passage detector for detecting passage of a pallet truck and a pallet truck passage detector for detecting passage of all pallet trucks, and a pallet truck display device for displaying a pallet truck number located at the location number,
Pallet truck stop position and replacement pallet number setter and new pallet truck number set for setting the new and old numbers of the pallet truck to be replaced, and a stop position setter for setting the position where the set pallet truck stops It is equipped with a pallet truck position corrector that corrects the position so that the pallet position becomes normal when position detection / display shifts, and the pallet truck moves forward by detecting the operation of the pallet truck passage detector. Then, the consistency of the pallet trolley position is checked during the operation of the reference pallet trolley pass detector, and the pallet trolley position is automatically corrected so that the pallet trolley position detection and display that match the positions of all pallet trolleys are performed. Characteristic Sintering Machine Pallet Truck Position Control Method.