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Thermal-coupler detecting method for steel-leakage prediction system of continuous casted plate blank crystallizer

A technology for forecasting systems and detection methods, applied in the direction of thermometers using electric/magnetic elements that are directly sensitive to heat, using electrical devices, using electromagnetic means, etc., can solve problems such as the lack of measurement methods

Inactive Publication Date: 2007-06-13
SHOUGANG CORPORATION
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  • Summary
  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, at present, there is no systematic research report on the measurement of the response time of the thermocouple used in the continuous casting slab mold breakout prediction system in China, nor has a specific set of measurement methods been formed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] The specific embodiment of the present invention is:

[0012] (1) First, the cold junctions of the standard thermocouple and the target thermocouple are processed to a certain extent;

[0013] (2) Insert the hot end into the constant temperature tank respectively, and connect the voltage signal through the A / D converter and store it in the public machine;

[0014] (3) On the basis of step (1) and step (2), measure their respective temperature ranges for multiple sets of standard thermocouples and target thermocouples, and input the ranges into the public machine through the A / D converter, At the same time, the obtained data is stored in the corresponding database;

[0015] (4) Obtain a range with a general up-to-standard change through the data analysis of the database, and use this range as the detection standard of this detection method;

[0016] (5) Measure the temperature range of the standard thermocouple and the thermocouple to be measured again, and input the t...

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PUM

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Abstract

The invention discloses a thermocouple detecting method that is mainly suitable for testing thermocouple in convex edge crystallizer bleed out forecasting system. It includes the following steps: taking calibrating testing for thermocouple; according to the tested temperature altering range of standard thermocouple and target thermocouple, building up a corresponding database, and gaining a universal altering range by analyzing the data; using the range as testing standard, testing whether the thermocouple is qualified by comparing the temperature alteration of standard thermocouple and testing thermocouple. The invention supplies a testing method for bleed out predicting using thermocouple.

Description

technical field [0001] The invention relates to a thermocouple detection method for a breakout forecast system, in particular to a characteristic detection method for a thermocouple used in a continuous casting slab breakout forecast system. Background technique [0002] Once a steel leakage accident occurs in the continuous casting operation of the iron and steel industry, the service life of the equipment will be shortened, the loss of spare parts will be increased, the production balance organization will not be guaranteed, the operation rate will be reduced, the economic cost will be increased, and the automation control level of the continuous casting machine will also be reduced. Using the method of embedding thermocouples on the copper plate of the crystallizer, according to the analysis and processing of the characteristic data about the temperature change in the local area of ​​the copper plate transmitted by the thermocouples, the corresponding light and heavy alarm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K15/00G01K7/02
Inventor 朱志远胡雄光李本海王国连张涛宁林新朱国森王彦锋
Owner SHOUGANG CORPORATION
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