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Steel tube end part inductive heating device with temperature detection system

A technology of an induction heating device and a detection system, which is applied in the field of seamless steel pipe processing, can solve problems such as difficulty in detecting temperature, and achieve the effects of broad application prospects, improved product quality, and extended service life.

Active Publication Date: 2010-12-22
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As far as temperature measurement is concerned, it is a mature technology, and there are various methods and devices for temperature measurement. However, it is very difficult to accurately detect the temperature under high temperature conditions.

Method used

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  • Steel tube end part inductive heating device with temperature detection system
  • Steel tube end part inductive heating device with temperature detection system
  • Steel tube end part inductive heating device with temperature detection system

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Such as figure 1 , 2 , 3, a steel pipe end induction heating device with a temperature detection system, including a box body 1, an induction coil 2, a coil water inlet pipe 3, a coil water outlet pipe 4, an induction coil connecting busbar 5 and an infrared optical fiber temperature measuring probe 7. The box body 1 is sequentially opened with four hole-type temperature measuring probe fixing ports 6, and the opening positions are determined according to the penetration depth of each pass of the steel pipe, and the induction coil 2 is opened with a temperature measuring The position of the hole 9 and the temperature measurement hole 9 correspond to the fixed port 6 of the temperature measurement probe. The two ends of the temperature measurement hole 9 are equipped with a cooling water nozzle lead-out head 10 and a coil connection baffle 12. The coil connection baffle 12 ensures that the induction coil 2 The conduction of the two cooling water nozzles and the entry of...

Embodiment 2

[0023] Such as Figure 4 , 5 , 6, a steel pipe end induction heating device with a temperature detection system, including a box body 1, an induction coil 2, a coil water inlet pipe 3, a coil water outlet pipe 4, an induction coil connecting busbar 5 and an infrared optical fiber temperature measuring probe 7. The box body 1 is provided with a temperature measuring probe fixing port 6, and the temperature measuring probe fixing port 6 includes a chute 13, a flange 14 is installed in the chute 13, and an external thread sleeve is installed on the flange 14 Pipe 16, the externally threaded sleeve 16 is covered with a fastening nut 15; when detecting, the externally threaded sleeve 16 slides to the corresponding position along the chute 13 under the guidance of the flange 14, and the externally threaded sleeve 15 is rotated to tighten the externally threaded sleeve. The pipe 16 is fixed at a certain position, and the temperature measuring probe 7 passes through the externally th...

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Abstract

The invention relates to the field of seamless steel tube processing, in particular to a steel tube end part inductive heating device with a temperature detection system, comprising a box body (1), an inductive coil (2), a coil water inlet pipe (3), a coil water outlet pipe (4) and an inductive coil connecting bus bar (5), wherein the box body (1) is provided with a temperature-measuring probe fixing port (6); and a temperature-measuring probe (7) passes through the temperature-measuring probe fixing port (6) and extends into the inductive coil (2). The inductive heating device can be used for detecting the temperature at any time and transmitting a signal to a transmitter through an optical fiber transmitting wire, and ensures that the detected temperature signal is accurate, stable and is not interfered; and the acquired temperature signal curve is smooth, thereby ensuring the stability of the thickening quality of the steel tube and realizing the closed ring automatic control. In addition, according to the invention, the temperature-measuring probe is inserted as required, thereby effectively protecting the optical probe from being irradiated by high temperature for a long term, prolonging the service life and having broad application potentials.

Description

technical field [0001] The invention relates to the field of seamless steel pipe processing, in particular to an induction heating device for the end of a steel pipe. Background technique [0002] Induction heating has a series of advantages such as rapidity, energy saving, high efficiency, and ease of automation, and has been widely used in the metallurgical industry as heating. In the process of seamless steel pipe production, the method of thickening the end of the steel pipe is to use three medium frequency induction heating to gradually increase the heating length, and then carry out upsetting to thicken the steel pipe. The heating temperature before steel pipe upsetting is generally required to be controlled at 1200°C. Since the length of the medium frequency induction heating furnace box is between 800 and 1000mm, how to accurately detect the heating temperature and effectively control the heating time and temperature is directly related to the end of the seamless ste...

Claims

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Application Information

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IPC IPC(8): B21J1/06
Inventor 候晓光王伟周月明
Owner BAOSHAN IRON & STEEL CO LTD
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