Temperature measurement and sampling control method

A sampling control and controller technology, applied in the field of steelmaking, can solve problems such as gun body burning and hindering the operation of molten steel trucks

Inactive Publication Date: 2019-12-20
SHOUGANG JINGTANG IRON & STEEL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present application provides a temperature measurement and sampling control method to solve the technical problem that

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Embodiment approach

[0059] As an optional implementation, the method also includes:

[0060] When the controller receives the fault signal of the temperature measuring frequency converter, it judges whether the sampling frequency converter is in a standby state and judges whether the position of the sampling actuator is higher than a first preset height;

[0061] If the sampling frequency converter is in the running state, after the sampling actuator completes one sampling and the position of the sampling actuator is higher than the first preset height, the fourth contactor is controlled to be turned on, and the fourth contactor is turned off. Open the first contactor to make the sampling frequency converter control the temperature measurement actuator to complete the temperature measurement.

[0062] When the temperature measurement frequency converter fails, it can ensure the smooth progress of sampling, and can complete the temperature measurement as quickly as possible by means of the samplin...

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Abstract

The invention discloses a temperature measurement and sampling control method. The method is applied to a steel ladle temperature measurement and sampling system which comprises a controller, a steelladle temperature measurement system and a steel ladle sampling system; the method comprises the steps that when the controller receives a trigger signal, a first contactor and/or a second contactor are controlled to be switched on, and a third contactor and a fourth contactor are simultaneously switched off; the controller sends a temperature measurement control signal to a temperature measurement frequency converter to control a temperature measurement motor to drive a temperature measurement execution mechanism to measure the temperature; and/or the controller sends a sampling control signal to a sampling frequency converter to control a sampling motor to drive a sampling execution mechanism to sample. The method can avoid the situations that when the sampling frequency converter or thetemperature measurement frequency converter fails, the maintenance treatment is not timely, so that a temperature measurement or sampling gun body just stays in high-temperature molten steel, not only is the gun body burnt, but also a molten steel car is prevented from running, and the production efficiency is reduced.

Description

technical field [0001] The invention relates to the technical field of steelmaking, in particular to a temperature measurement and sampling control method. Background technique [0002] Steel-making converter ladles all need temperature measurement and sampling. The temperature measurement gun and sampling gun are automatically controlled by their control structure to complete temperature measurement and sampling respectively. Therefore, unattended on-site is realized. [0003] When the frequency converter responsible for controlling the temperature measurement gun or the frequency converter responsible for controlling the sampling gun fails, it will take several minutes for the maintenance personnel to rush to the scene to deal with it, which may cause the temperature measurement or sampling gun body to stay at a high temperature The molten steel will not only cause the gun body to be burned, but also hinder the operation of the molten steel truck and reduce production effi...

Claims

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Application Information

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IPC IPC(8): B22D2/00G01N1/10
CPCB22D2/006G01N1/10
Inventor 王景娟吕永学张丙龙曾卫民王和兵吴耀春王胜秦登平赵长亮孟志铎张坤
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD
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