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Fault Judgment and Post-processing Technology of Infrared Sizing of Continuous Casting Machine

A fault diagnosis and continuous casting machine technology, applied in computer control, instruments, simulators, etc., can solve problems such as threatening personnel safety, wasting manpower and material resources, and billet cutting is too long, so as to ensure personnel safety, timely repair cutting, and length Record precise effects

Active Publication Date: 2017-12-19
JIANGSU YONGGANG GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem of missed cutting and long branch cutting, if it is light, it needs to be manually cut by the straightening cutter in time, which wastes manpower and material resources, threatens the safety of personnel, and generates unnecessary scrap steel; if the billet is cut too long, the steel transfer machine will be stuck, and the casting flow will be blocked. stop, continuous casting machine stop

Method used

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  • Fault Judgment and Post-processing Technology of Infrared Sizing of Continuous Casting Machine
  • Fault Judgment and Post-processing Technology of Infrared Sizing of Continuous Casting Machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: as figure 1 The fault judgment and post-processing process of an infrared fixed-to-length cutting device for a continuous casting machine shown in the figure, the operation steps are as follows:

[0021] 1) Manually set the cutting length L of the billet in the infrared cut-to-length cutting system at the operation site, and the infrared cut-to-length cutting system tracks the length of the billet to the cutting length L and sends out a billet clamping command to start cutting;

[0022] 2) During the tracking process, the cutting length L of the steel billet is recorded by the PLC, and at the same time, L+20cm is used as the length basis for judging the infrared sizing fault, and the infrared sizing cutting system performs continuous cutting operations;

[0023] 3) The length of the billet reaches L+20cm in the process of advancing, and the infrared sizing cutting system still does not issue a cutting command, which is judged to be a fault of the infrared ...

Embodiment 2

[0027] Embodiment 2: as figure 1 The switching buttons of the common infrared fixed-length cutting system and the following cutting system shown in the present invention are respectively an automatic switching button and a manual switching button, and the described automatic switching button is arranged in the PLC control system, and the described manual switching button is set In terms of cutting to length, flexible operation and easy switching, the common and backup systems are one for use and one for backup, and the cutting system can be automatically switched in case of failure, which basically guarantees zero missing cuts for continuous casting machine cutting to length.

Embodiment 3

[0028] Embodiment 3: working example of the present invention: the production data obtained after the enterprise adopts this operation technology is compared with the production data before adopting this operation technology, and the energy loss and material loss of the enterprise in the production process are obtained as shown in the following table : The table below shows the 8 casting strands of 2 continuous casting machines in the factory area. The billet needs to be cut manually due to the continuous casting machine’s sizing failure within 3 months. The record is the energy loss when receiving the cutting.

[0029]

[0030] From the actual records in the above table, we can know that during the manual cutting operation, the average number of times of manual cutting required for three months per day (24 hours in three teams) due to cutting long branches and missed cutting is 25.34 times About; take the value 25 times. At the same time, because 0.4 kg of liquefied petrol...

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PUM

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Abstract

The invention discloses a fault determining and after-treatment process of an infrared sizing cutting device of a continuous casting machine. The process is that a variable frequency pulling rate of a withdrawal and straightening machine can be recorded through a PLC and used as the accumulated length of a billet; the length of the billet is recorded on real time and used as the backup length of the infrared sizing cutting device; if the tracking length of the infrared sizing cutting device exceeds the normal length, and a cutting signal cannot be sent or a fault occurs, a billet cutting device is automatically controlled to cut and alarm; people can organize to repair the infrared sizing cutting system after determining that the infrared cutting system can be directly put into use according to the field condition; therefore, the normal production can be ensured in the process; additional gas and billet loss can be avoided; the personal safety can be ensured to the maximum.

Description

technical field [0001] The utility model patent relates to the technical field of cut-to-length for steelmaking and continuous casting machines. Specifically, in the case of a failure in infrared cut-to-length cutting, the new system can automatically cut off the billet and send an alarm after judging the failure in time, and can be used as a backup cut-to-length Cutting replaces the commonly used infrared cut-to-length cutting system. That is to ensure the smooth progress of continuous casting production, and provide maintenance personnel with sufficient time to repair the original sizing system. Background technique [0002] The lengths currently used in steel plants are all infrared lengths. In daily use, it is found that infrared lengths have certain requirements for the on-site environment. The billet brightness is too low, the lens is blocked by foreign objects, the system is unstable at high temperature and other reasons will cause the billet to be missed or cut long...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/406
CPCG05B19/406G05B2219/33285G05B2219/33304G05B2219/37426
Inventor 姜峰王力玉卢浩郭栋玉朱孟敏
Owner JIANGSU YONGGANG GROUP CO LTD
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