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Oxygen gun falling automatic locking system

An automatic locking and oxygen lance technology, which is applied in the manufacture of converters, etc., can solve problems such as falling into molten steel and losing control of oxygen lances many times, so as to reduce accidents and enhance operational safety.

Inactive Publication Date: 2016-04-20
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

At present, there have been many cases in which the oxygen lance lost control and fell into the molten steel in many factories.

Method used

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  • Oxygen gun falling automatic locking system

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Embodiment Construction

[0015] Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment includes the oxygen lance speed sensor 1 installed on the oxygen lance lifting wire rope drum, the oxygen lance speed sensor 1 is connected to the speed signal receiving and processing device 2, and the speed signal receiving and processing device 2 is connected to the speed signal conversion transmission device 3, and the speed signal The conversion transmission device 3 is connected to the industrial computer 5 through the data communication device 4, and the speed signal conversion transmission device 3 is connected to the oxygen lance speed locking device 6; the industrial computer 5 is connected to the display 7.

[0016] The oxygen lance speed sensor 1 is installed on the oxygen lance lifting wire rope drum, the oxygen lance speed sensor 1 detects the rotation angle speed of the drum, and converts the rotation speed into an SSI signal and sends it to the speed signal rec...

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Abstract

The invention relates to the technical field of metallurgy safety, and particularly discloses an automatic locking system for preventing an oxygen lance from falling down. The automatic locking system comprises an oxygen lance speed sensor arranged on an oxygen lance lifting steel wire roller. The automatic locking system is characterized in that the oxygen lance speed sensor is connected with a speed signal receiving and processing device; the speed signal receiving and processing device is connected with a speed signal converting and transmitting device; the speed signal converting and transmitting device and an industrial personal computer are connected with each other through a data communication device; and the speed signal converting and transmitting device is connected with an oxygen lance speed locking device. The automatic locking system independently runs beside a PLC and converter control system and can rapidly prevent oxygen lance falling accidents in time when the PLC and converter control system loses efficacy, and therefore safety is enhanced for oxygen lance operation, and accidents are reduced.

Description

(1) Technical field [0001] The invention relates to the technical field of metallurgy safety, in particular to an automatic locking system for an oxygen lance falling. (2) Background technology [0002] At present, most of the steelmaking adopts the converter method to make steel, and the oxygen lance is used to inject oxygen into the converter, and the oxygen lance is controlled by the PLC control system. The oxygen lance works in a high-temperature environment, and the interior is cooled by cooling water. Once the oxygen lance falls into molten steel, it may explode and cause a major safety accident. Therefore, it is very important to control the oxygen lance safely and reliably. [0003] There are various strong current equipment and weak current equipment on the steelmaking site. Due to the cross wiring and distribution of various equipment, the existence of various interferences is inevitable. Oxygen lances are mostly controlled by PLC and frequency converter at presen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21C5/46
Inventor 刘春晖郑丰隆王忠刚于水马强
Owner SHANDONG UNIV OF SCI & TECH
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