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Strip load temperature measurement method for air cushion type continuous heat treatment line

A technology of air cushion type and strip material, which is applied in the direction of thermometers, thermometers, and measuring devices using electric/magnetic elements that are directly sensitive to heat. less time effect

Pending Publication Date: 2022-02-25
CHINALCO RUIMIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is less applicable to the air cushion type continuous annealing line which relies on the circulation fan and tension to provide the floating state of the strip

Method used

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  • Strip load temperature measurement method for air cushion type continuous heat treatment line
  • Strip load temperature measurement method for air cushion type continuous heat treatment line
  • Strip load temperature measurement method for air cushion type continuous heat treatment line

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Before temperature measurement, raise the temperature of the furnace gas in the air-cushion continuous heat treatment line to the set temperature of 500°C and keep it warm for 2 hours; use a drill to drill a hole in the strip at the entrance of the air-cushion continuous heat treatment line. image 3 Arrange the temperature-measuring thermocouples in the manner shown. Use rivets to fix the thermocouple on the strip to prevent the thermocouple from falling off when the temperature measurement strip moves. Connect the other end of the thermocouple to the signal input port of the paperless recorder to receive the temperature measurement signal data of the thermocouple in real time.

[0067] After the thermocouple is fixed, the strip temperature test starts at the preset production speed, and the preset speed is controlled at 24m / min; during the test, the air-cushion continuous heat treatment line speeds up to the set speed at one time. After the strip runs for 3 minutes, ...

Embodiment 2

[0070] Before temperature measurement, raise the temperature of the furnace gas in the air-cushion continuous heat treatment line to the set temperature of 470°C and keep it warm for 1.5 hours; Figure 4 Arrange the temperature-measuring thermocouples in the manner shown. Use rivets to fix the thermocouple on the strip to prevent the thermocouple from falling off when the temperature measurement strip moves. Connect the other end of the thermocouple to the signal input port of the paperless recorder to receive the temperature measurement signal data of the thermocouple in real time.

[0071] After the thermocouple is fixed, the strip temperature test starts at the preset production speed, and the preset speed is controlled at 18m / min; during the test, the air-cushion continuous heat treatment line speeds up to the set speed at one time. After the strip runs for 4 minutes, the temperature measuring thermocouple enters the cooling section, and the remaining thermocouple extensi...

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Abstract

The invention provides a strip load temperature measurement method for an air cushion type continuous heat treatment line, which is used for measuring the temperature change of a strip at an annealing furnace of the air cushion type continuous heat treatment line, and is characterized in that a thermocouple is fixed on the surface of the strip, the temperature measurement end of the thermocouple is in direct contact with the strip, and the thermocouple is connected with a recording instrument; and when the strip passes through the annealing furnace, the recording instrument measures the temperature change when the strip is subjected to heat treatment in the annealing furnace. According to the invention, temperature measuring points are arranged on the surface of the running strip, so that the change condition of the temperature is tracked in real time, and the actual temperature of the strip can be effectively tracked. The actual condition of process execution can be confirmed through a strip load temperature measurement result, and a calculation model can be optimized according to the actual condition.

Description

technical field [0001] The invention relates to the field of processing and detection of aluminum and aluminum alloys, in particular to an air cushion type continuous heat treatment line strip load temperature measurement method. Background technique [0002] The annealing temperature in the process of aluminum and aluminum alloy processing is generally above 200°C. Generally, a box-type annealing furnace is used in the annealing process, and the whole coil is annealed in the coiled state. The heating transfer efficiency of the inner ring, middle part and outer part of the coil There are certain differences, and the uniformity is difficult to guarantee. In the new air cushion type continuous heat treatment line, the coil runs on the continuous annealing line equipment in the form of uncoiling, and the running state of the strip is guaranteed through the rollers and tension and the upper and lower circulation fans of the air cushion furnace. [0003] Compared with box-type a...

Claims

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Application Information

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IPC IPC(8): G01K7/02G01K1/14
CPCG01K7/02G01K1/14
Inventor 丁力群叶鹏周青华杨本勇冉继龙李健东
Owner CHINALCO RUIMIN
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