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A metal plate and strip temperature measuring device and temperature control method for a roller quenching machine

A metal strip and temperature measuring device technology, applied in the direction of quenching device, process efficiency improvement, heat treatment process control, etc., can solve the problems of difficult temperature measurement, narrow space, poor process conditions, etc. The effect of long life and easy maintenance

Active Publication Date: 2021-09-03
NORTHEASTERN UNIV LIAONING
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AI Technical Summary

Problems solved by technology

[0009] In order to solve the problems existing in the prior art that the quenching heat treatment process of metal plates and strips is completely wrapped by water or steam, the equipment in contact with it is densely arranged, the process conditions are poor, the space is small, and the direct temperature measurement is very difficult, the utility model Proposed a metal plate and strip temperature measuring device and temperature control method for roller quenching machine

Method used

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  • A metal plate and strip temperature measuring device and temperature control method for a roller quenching machine
  • A metal plate and strip temperature measuring device and temperature control method for a roller quenching machine
  • A metal plate and strip temperature measuring device and temperature control method for a roller quenching machine

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Embodiment 1

[0063] In this embodiment, taking the quenching heat treatment of the metal plate and strip used in the roller quenching machine as an example, the specific implementation scheme of the temperature measuring device for the metal plate and strip is described:

[0064] see figure 1 , 2 , 3, 4, and 5, a metal plate and strip temperature measuring device for a roller quenching machine, the roller quenching machine includes sequentially setting a rolling quenching section 7, a transition roller table 9 and an atmospheric quenching section 8. The temperature measuring device is installed between the transition roller tables 9, and is used to measure the temperature of the metal plate and strip passing through the roll quenching section 7; the temperature measuring device includes: a protection mechanism and a The waterproof box below; the protective mechanism is used to protect the waterproof box; the waterproof box includes a box body and a purging mechanism and a temperature meas...

Embodiment approach

[0076] see Figure 6 As shown, the temperature measurement method includes: speed temperature control method and water volume temperature control method; for the temperature control system, the speed temperature control method only needs to change the speed of the roller table, which is simple and effective to implement, and is the preferred temperature control method; water volume control method The temperature method needs to adjust the opening degree of the control valve of the water supply pipeline of each nozzle. The closed-loop control adjustment takes a long time to adjust, and the influence on the temperature is not very intuitive. It is used as an alternative temperature control method; The speed will cause problems such as the deterioration of the quenched plate shape of the metal plate and strip. Therefore, if the preferred speed temperature control method cannot achieve temperature control within the allowable range, the water volume temperature control method is us...

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Abstract

The invention relates to the field of heat treatment of metal plates and strips, in particular to a metal plate and strip temperature measuring device and a temperature control method for a roller quenching machine; the metal plate and strip temperature measuring device includes: a protection mechanism, a waterproof box, a blower sweeping mechanism and temperature measuring mechanism; the metal sheet and strip temperature measuring device is installed between the transition roller table (9) after the roll quenching section (7) of the roller quenching machine and before the normal pressure quenching section (8), without The temperature measurement can be completed by contacting the metal plate and strip; the temperature control methods of the metal plate and strip temperature measuring device include: speed temperature control method and water volume temperature control method; The water spray volume of the nozzle (37) is used to control the temperature of the metal plate and strip; the present invention solves the problem that the direct temperature measurement of the metal plate and strip quenching heat treatment process existing in the prior art is difficult, and realizes the metal plate and strip quenching heat treatment process More precise cooling path control.

Description

technical field [0001] The invention relates to the field of heat treatment of metal plates and strips, in particular to a temperature measuring device and a temperature control method for metal plates and strips used in a roller quenching machine. Background technique [0002] Quenching heat treatment is a key process to improve the comprehensive properties of metal sheets and strips, especially in improving its strength, toughness, corrosion resistance, high temperature performance, fatigue performance, and processing performance. There are many types of metal sheets and strips that adopt quenching heat treatment, such as: plain carbon steel, stainless steel, aluminum alloy, titanium alloy, high-temperature alloy; the specification span is large, the thickness is 2~300mm, and the width is 800~5000mm; the heat treatment process is complicated, such as: solid Melting, quenching, controlled cooling, weak water cooling, etc. [0003] The roller quenching machine has the advan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/667C21D11/00C21D9/52
CPCC21D1/667C21D9/52C21D11/005Y02P10/20
Inventor 付天亮张志福邓想涛刘光浩郑明军宋国智
Owner NORTHEASTERN UNIV LIAONING
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