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Method for heating industrial pure titanium plate blank by common step-by-step heating furnace

A walking heating furnace, technology of industrial pure titanium, applied in temperature control, etc., can solve the problem of difficult heating of industrial pure titanium slabs, and achieve the effect of reducing investment costs and ensuring heating quality

Inactive Publication Date: 2011-02-16
PANZHIHUA IRON AND STEEL +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the above-mentioned heating methods of industrial pure titanium slabs, no matter which heating method is adopted, the above-mentioned heating equipment must be purchased and constructed with new investment, which causes a huge financial burden to the enterprise.
However, the existing ordinary walking-type billet heating furnace is designed for heating billets, so the heating temperature is generally around 1200°C, and the existing technology is difficult to meet the needs of heating industrial pure titanium slabs

Method used

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  • Method for heating industrial pure titanium plate blank by common step-by-step heating furnace
  • Method for heating industrial pure titanium plate blank by common step-by-step heating furnace
  • Method for heating industrial pure titanium plate blank by common step-by-step heating furnace

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Effect test

Embodiment 1

[0028] In this embodiment, a common walking-type heating furnace for heating steel billets in a hot rolling mill is used to heat industrial pure titanium slabs with a thickness of 120 mm and a width of 1050 mm. The heating process is as follows: ① Arrange three billets before and after the industrial pure titanium billet; ② The distance between the front and rear billets of the industrial pure titanium slab and the titanium billet is 1 meter; ③ Turn off the heating section and preheating section during the heating process. Hot section burner, while controlling the furnace gas temperature of each heating section by adjusting the burning capacity of the soaking section burner; ④The heating temperature and heating time during the heating process are: the furnace gas temperature of the heat recovery section is 280℃, heating The time is 32 minutes; the gas temperature in the preheating section is 350℃, and the heating time is 40 minutes; the gas temperature in the heating section is ...

Embodiment 2

[0030] In this embodiment, a common walking-type heating furnace for heating steel billets in a hot rolling mill is used to heat industrial pure titanium slabs with a thickness of 220 mm and a width of 1250 mm. The heating process is as follows: ① five billets are arranged before and after the industrial pure titanium billet; ② the distance between the billet and the industrial pure titanium billet is 2 meters; ③ the heating section and preheating section burners are closed during the industrial heating process, and at the same time The furnace gas temperature of each heating section is controlled by adjusting the burning capacity of the burner in the soaking section; ④The heating temperature and heating time during the heating process are: the furnace gas temperature in the heat recovery section is 560℃, and the heating time is 65 minutes; The furnace gas temperature in the hot zone is 680°C and the heating time is 78 minutes; the furnace gas temperature in the heating zone is ...

Embodiment 3

[0032] In this embodiment, a common walking-type heating furnace for heating steel billets in a hot rolling mill is used to heat industrial pure titanium slabs with a thickness of 180 mm and a width of 1050 mm. The heating process is as follows: ① Arrange four billets before and after the industrial pure titanium billet; ② The distance between the billet and the industrial pure titanium billet is 1.5 meters; ③ Close the heating section and preheating section burners during the industrial heating process, and at the same time The gas temperature of each heating section is controlled by adjusting the burning capacity of the burner in the soaking section; ④The heating temperature and heating time during the heating process are: the furnace gas temperature in the heat recovery section is 450°C, and the heating time is 46 minutes; The furnace gas temperature in the hot zone is 580°C and the heating time is 58 minutes; the furnace gas temperature in the heating zone is 750°C and the h...

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Abstract

The invention discloses a method for heating an industrial pure titanium plate blank, in particular to a method for heating an industrial pure titanium plate blank by a common step-by-step heating furnace. The invention provides a method for heating an industrial pure titanium plate blank by adopting a common step-by-step heating furnace for heating a steel billet. The heating method keeps the temperature of all heating sections below the temperature needed for generating chemical reaction on the industrial pure titanium plate blank by adjusting the combustion capacities of burning nozzles of all heating sections of the heating furnace, ensures that a front furnace temperature adjusting steel billet enters the heating furnace for adjusting furnace temperature before the pure titanium plate blank enters the heating furnace and ensures that a rear furnace temperature adjusting steel billet is discharged out of the heating furnace after all pure titanium plate blanks are discharged out of the heating furnace, thereby ensuring the heating quality of the whole heating process.

Description

Technical field [0001] The invention relates to a method for heating industrial pure titanium slabs, in particular to a method for heating industrial pure titanium slabs with a common walking type heating furnace. Background technique [0002] The density of titanium is generally 4500Kg / m 3 It is only 60% of steel, but its strength is close to that of ordinary steel. In addition, titanium also has the characteristics of high thermal strength, good corrosion resistance, non-magnetic, and memory function. Therefore, titanium is used in modern industrial and agricultural production. It has been widely used in various industries. However, due to the active chemical nature of industrial pure titanium, too high heating temperature during heating can easily absorb impurities such as oxygen, hydrogen, nitrogen and other impurities and affect product quality. Too low heating temperature affects the quality of subsequent rolling. Therefore, the quality of titanium heating is directly Dete...

Claims

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Application Information

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IPC IPC(8): B21B37/74C22F1/18
Inventor 李俊洪王飞龙温亚成刘勇李卫平曹枫洲罗击刘富贵肖力邓澄
Owner PANZHIHUA IRON AND STEEL
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