CN1951589A - A seamless steel pipe on-line cooling method - Google Patents
A seamless steel pipe on-line cooling method Download PDFInfo
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- CN1951589A CN1951589A CN 200610134324 CN200610134324A CN1951589A CN 1951589 A CN1951589 A CN 1951589A CN 200610134324 CN200610134324 CN 200610134324 CN 200610134324 A CN200610134324 A CN 200610134324A CN 1951589 A CN1951589 A CN 1951589A
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Abstract
The invention relates to an online cooling method of seamless steel tube. Wherein, it uses incline taper rolling track with 5-85 degree relative to the forward direction of steel tube, to move the seamless steel tube in screw shape; the cooling water in cooling area sprays the steel tube, to cool it. Therefore, the steel tube can move forwards and rotate, while the rotation can apply the uniform cooling, with high heat exchange speed, to avoid deformation after cooling.
Description
Technical field
The invention belongs to technical field of steel rolling, relate to the cooling technology of ferrous materials, be specifically related to a kind of online cooling means of seamless steel pipe.
Background technology
The cooling of seamless steel pipe mainly comprises two kinds of technologies of online immediate quenching and off-line direct quenching at present.Along with the development of controlled rolling and controlled cooling (TMCP) technology and in the manufacturing extensive use of iron and steel, hot rolled seamless steel tube On-line Control process for cooling technology is paid attention to by people gradually.Yet, also do not have a kind of technology that can be used in the online cooling of seamless steel pipe at present than mature and reliable.A main difficult problem that exists is that the circumferential cooling of seamless steel pipe in advancing is difficult to evenly, to such an extent as to cooled seamless steel pipe flexural deformation can't be used.
Summary of the invention
At the weak point of present seamless steel pipe cooling technology, the invention provides a kind of online cooling means of seamless steel pipe.
The present invention adopts oblique vertebra shape roller-way, roller shaft is to becoming 5～85 ° of angles with seamless steel pipe direction of advance (horizontal direction), make seamless steel pipe advance in a spiral manner, one section cooled region is set on the seamless steel pipe direction of advance, its length requires to determine according to chilling temperature, cooldown rate, and water-cooling-sprayer is set in cooled region, opens cooling water, spray to steel pipe, the control water yield 500～2000m
3/ h is cooled to the temperature of requirement to seamless steel pipe.
The present invention adopts oblique vertebra shape roller-way, makes that steel pipe is spiral to advance, and guarantees that promptly steel pipe moves forward, makes it along circumferentially rotating again, and circumferential rotation helps circumferential even cooling, and heat exchange is fast, thereby guarantees not occur bending and deformation after the cooling.
Description of drawings
Fig. 1 is a cooling device cross-sectional direction schematic diagram;
Fig. 2 is roller-way incline direction and steel pipe direction of motion schematic diagram.
Among the figure: 1 water-cooling-sprayer, 2 seamless steel pipes, 3 protective covers, 4 inclined vertebra shape roller-ways, 5 cooled regions.
The specific embodiment
Embodiment 1
The cooled region of one segment length 15m is set on the seamless steel pipe direction of advance, cooled region is provided with protective cover outward, and water-cooling-sprayer is set in cooled region, and quantity is 4 * 12, and (circumferencial direction quantity is 4, horizontal direction quantity is 12), along the circumferential direction evenly distributed with horizontal direction.Adopt oblique vertebra shape roller-way, roller shaft to seamless steel pipe direction of advance (horizontal direction) angle at 45, make seamless steel pipe advance in a spiral manner, open cooling water, spray to seamless steel pipe, control water yield 500m
3/ h makes cooldown rate reach 20 ℃/s, and seamless steel pipe is cooled to 500 ℃ from 950 ℃.
Embodiment 2
The cooled region of one segment length 18m is set on the seamless steel pipe direction of advance, cooled region is provided with protective cover outward, and water-cooling-sprayer is set in cooled region, and quantity is 4 * 15, and (circumferencial direction quantity is 4, horizontal direction quantity is 15), along the circumferential direction evenly distributed with horizontal direction.Adopt oblique vertebra shape roller-way, roller shaft makes seamless steel pipe advance in a spiral manner to becoming 60 ° of angles with seamless steel pipe direction of advance (horizontal direction), opens cooling water, sprays to seamless steel pipe, control water yield 1500m
3/ h makes cooldown rate reach 15 ℃/s, and seamless steel pipe is cooled to 400 ℃ from 1000 ℃.
Embodiment 3
The cooled region of one segment length 20m is set on the seamless steel pipe direction of advance, cooled region is provided with protective cover outward, and water-cooling-sprayer is set in cooled region, and quantity is 4 * 16, and (circumferencial direction quantity is 4, horizontal direction quantity is 16), along the circumferential direction evenly distributed with horizontal direction.Adopt oblique vertebra shape roller-way, roller shaft makes seamless steel pipe advance in a spiral manner to becoming 80 ° of angles with seamless steel pipe direction of advance (horizontal direction), opens cooling water, sprays to seamless steel pipe, control water yield 2000m
3/ h makes cooldown rate reach 18 ℃/s, and seamless steel pipe is cooled to 200 ℃ from 980 ℃.
Claims (2)
1, a kind of online cooling means of seamless steel pipe, it is characterized in that adopting the tilted conical roller-way, roller shaft makes seamless steel pipe advance in a spiral manner to become 5～85 ° of angles with the seamless steel pipe direction of advance, the cooling water of opening cooled region sprays to steel pipe, and seamless steel pipe is cooled off.
2, according to the online cooling means of the described seamless steel pipe of claim 1, it is characterized in that controlling the water yield 500～2000m
3/ h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610134324 CN1951589A (en) | 2006-11-21 | 2006-11-21 | A seamless steel pipe on-line cooling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610134324 CN1951589A (en) | 2006-11-21 | 2006-11-21 | A seamless steel pipe on-line cooling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1951589A true CN1951589A (en) | 2007-04-25 |
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ID=38058257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610134324 Pending CN1951589A (en) | 2006-11-21 | 2006-11-21 | A seamless steel pipe on-line cooling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1951589A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101357371B (en) * | 2007-07-31 | 2010-07-21 | 宝山钢铁股份有限公司 | Control method of steel-tube online normalization |
| CN101987425A (en) * | 2009-07-31 | 2011-03-23 | 付朋 | Sharpening machine for external circle of steel tube |
| CN102357540A (en) * | 2011-06-30 | 2012-02-22 | 浙江健力股份有限公司 | Device and technology for controlling cooling after hot rolling perforation of GCr15 bearing steel pipe billets |
| CN102876874A (en) * | 2012-09-17 | 2013-01-16 | 东北大学 | Super high-speed quenching device for steel tube |
| CN103128108A (en) * | 2013-03-22 | 2013-06-05 | 宝鸡石油钢管有限责任公司 | On-line cooling control method and device for improving strength and tenacity of high-frequency-welding (HFW) welded pipe after being hot rolled |
| CN105195532A (en) * | 2015-09-15 | 2015-12-30 | 天津正安无缝钢管有限公司 | Instant cooling device for seamless steel pipe sizing |
| CN106555045A (en) * | 2015-09-24 | 2017-04-05 | 宝山钢铁股份有限公司 | A kind of seamless steel pipe press quenching cooling technique and manufacture method of utilization waste heat |
| CN107971344A (en) * | 2016-10-25 | 2018-05-01 | 宝山钢铁股份有限公司 | The Basic automation control system and control method of steel pipe on-line cooling |
| CN107971351A (en) * | 2016-10-25 | 2018-05-01 | 宝山钢铁股份有限公司 | Process units and production method for steel pipe on-line cooling |
| CN111085554A (en) * | 2020-02-15 | 2020-05-01 | 广州荟园机械科技有限公司 | Hot rolling metal cooling device |
| CN111589880A (en) * | 2020-04-29 | 2020-08-28 | 东北大学 | Control method for improving structure uniformity of on-line cooling process of medium-thickness wall seamless steel pipe |
-
2006
- 2006-11-21 CN CN 200610134324 patent/CN1951589A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101357371B (en) * | 2007-07-31 | 2010-07-21 | 宝山钢铁股份有限公司 | Control method of steel-tube online normalization |
| CN101987425A (en) * | 2009-07-31 | 2011-03-23 | 付朋 | Sharpening machine for external circle of steel tube |
| CN102357540A (en) * | 2011-06-30 | 2012-02-22 | 浙江健力股份有限公司 | Device and technology for controlling cooling after hot rolling perforation of GCr15 bearing steel pipe billets |
| CN102876874B (en) * | 2012-09-17 | 2013-09-25 | 东北大学 | Super high-speed quenching device for steel tube |
| CN102876874A (en) * | 2012-09-17 | 2013-01-16 | 东北大学 | Super high-speed quenching device for steel tube |
| CN103128108B (en) * | 2013-03-22 | 2015-12-02 | 宝鸡石油钢管有限责任公司 | A kind of online controlled cooling method and device improving obdurability after the hot rolling of HFW welded tube |
| CN103128108A (en) * | 2013-03-22 | 2013-06-05 | 宝鸡石油钢管有限责任公司 | On-line cooling control method and device for improving strength and tenacity of high-frequency-welding (HFW) welded pipe after being hot rolled |
| CN105195532A (en) * | 2015-09-15 | 2015-12-30 | 天津正安无缝钢管有限公司 | Instant cooling device for seamless steel pipe sizing |
| CN106555045A (en) * | 2015-09-24 | 2017-04-05 | 宝山钢铁股份有限公司 | A kind of seamless steel pipe press quenching cooling technique and manufacture method of utilization waste heat |
| US11293072B2 (en) | 2015-09-24 | 2022-04-05 | Baoshan Iron & Steel Co., Ltd. | Process for on-line quenching of seamless steel tube using residual heat and manufacturing method |
| CN107971344A (en) * | 2016-10-25 | 2018-05-01 | 宝山钢铁股份有限公司 | The Basic automation control system and control method of steel pipe on-line cooling |
| CN107971351A (en) * | 2016-10-25 | 2018-05-01 | 宝山钢铁股份有限公司 | Process units and production method for steel pipe on-line cooling |
| CN111085554A (en) * | 2020-02-15 | 2020-05-01 | 广州荟园机械科技有限公司 | Hot rolling metal cooling device |
| CN111589880A (en) * | 2020-04-29 | 2020-08-28 | 东北大学 | Control method for improving structure uniformity of on-line cooling process of medium-thickness wall seamless steel pipe |
| CN111589880B (en) * | 2020-04-29 | 2021-09-28 | 东北大学 | Control method for improving structure uniformity of on-line cooling process of medium-thickness wall seamless steel pipe |
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