Automatic control method for hanging scum plug casting device

The technology of a throwing device and a slag blocking plug, which is applied in the field of auxiliary equipment, can solve the problems of low slag blocking success rate and high slag blocking success rate, and achieve the effects of accurate throwing, reducing labor intensity and improving the success rate.

Inactive Publication Date: 2007-02-28
BAOSHAN IRON & STEEL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention overcomes the defect that the existing slag stopper throwing slag stopper adopts manual control and the success rate of slag stopper is low, and provides an automatic control method of a suspended slag stopper throwing device, which adopts a programmable logic controller (PLC) Control, set up a man-machine dialogue operation control panel on site, so that the slag blocking plug can be positioned accurately, the throwing is accurate, and the success rate of slag blocking is high

Method used

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  • Automatic control method for hanging scum plug casting device
  • Automatic control method for hanging scum plug casting device
  • Automatic control method for hanging scum plug casting device

Examples

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Embodiment Construction

[0019] Referring to Fig. 1, Fig. 2 and Fig. 3, an automatic control method of a hanging dross stopper throwing device includes a plugging preparation stage, a slag stopper preparation stage and an automatic slag stopper stage. Referring to Figure 1, the plugging preparation stage includes opening the safety pin, lowering the guide rail beam, judging when the guide rail beam descends, and stopping the guide rail beam when the time is up, installing a slag stopper under the guide rail beam, and the preparation for plugging is completed. Referring to Figure 2, the slag blocking preparation stage includes the clamping device clamping the slag blocking plug, the guide rail beam rising, the zero position limit judgment, the guide rail beam stops when it reaches the zero limit, the safety pin is locked, and the slag blocking preparation is completed. Referring to Fig. 3, the automatic slag-retaining stage includes: opening of the safety pin, opening of the explosion-proof door behind ...

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Abstract

The invention relates to a process for controlling suspension type fender slag plug throwing device, which comprises a plug loading preparation stage, a fender slag preparation stage and an automatic fending slag stage, characterized in that the automatic fending slag stages includes, the first lowering of guide rail beam, the second lowering of guide rail beam, release of gripping device, throwing fender slag plug, fastening pin locking, and stove back door closing. The invention employs programmable controller (PLC) for control, which realizes on site arrangement of man-machine interaction operation control panel, and accurate positioning of the fender slag plug.

Description

technical field [0001] The invention relates to auxiliary equipment for converter steelmaking, in particular to a control method for a suspended slag plug throwing device. technical background [0002] Before the termination of converter tapping, use the cantilever type slag stopper (rod, dart) input device to enter the slag stopper (rod, dart) from the furnace mouth and insert it into the tapping hole, and use the specific gravity of the slag stopper (rod, dart) The feature of being lighter than molten steel but heavier than slag makes the slag stopper (rod, dart) float between the molten steel and slag at the tapping hole. When the steel flow is close to the end, the slag stopper (rod, dart) closes the tapping hole to prevent the molten slag from flowing into the ladle. For the existing slag stopper (rod, dart) throwing device, the throwing process is manually controlled, and the throwing position is positioned by a mechanical limit, or the operator operates according to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21C5/46
Inventor 孙兴洪吴斌宋庆
Owner BAOSHAN IRON & STEEL CO LTD
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