CN107716911B - Off-line adjustment method for stopper rod - Google Patents

Off-line adjustment method for stopper rod Download PDF

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Publication number
CN107716911B
CN107716911B CN201710828258.4A CN201710828258A CN107716911B CN 107716911 B CN107716911 B CN 107716911B CN 201710828258 A CN201710828258 A CN 201710828258A CN 107716911 B CN107716911 B CN 107716911B
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CN
China
Prior art keywords
stopper
rod
tundish
initial
shutter
Prior art date
Application number
CN201710828258.4A
Other languages
Chinese (zh)
Other versions
CN107716911A (en
Inventor
肖华生
张丙龙
杨春宝
彭国仲
陈爱军
王宝动
安泽秋
刘占锋
王胜东
Original Assignee
首钢京唐钢铁联合有限责任公司
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Publication date
Application filed by 首钢京唐钢铁联合有限责任公司 filed Critical 首钢京唐钢铁联合有限责任公司
Priority to CN201710828258.4A priority Critical patent/CN107716911B/en
Publication of CN107716911A publication Critical patent/CN107716911A/en
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Publication of CN107716911B publication Critical patent/CN107716911B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14Closures
    • B22D41/16Closures stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
    • B22D41/20Stopper-rod operating equipment

Abstract

The invention relates to an off-line stopper rod adjusting method, which comprises the following steps: after the middle ladle is built, the initial adjustment work of the stopper rod shutter is completed in the process of still drying the middle ladle; the initial adjustment work of the stopper shutter includes: setting an initial rod position of a stopper of the stopper shutter according to the type of the tundish; the stopper rod is driven to move to an initial rod position through the stopper rod shutter; the stopper shutter is locked to keep the stopper in the initial position. The off-line stopper rod adjusting method can reduce adjusting time, improve labor efficiency and improve casting production efficiency.

Description

Off-line adjustment method for stopper rod

Technical Field

The invention relates to the technical field of metallurgy, in particular to an off-line adjusting method for a stopper rod.

Background

The stopper rod is one of important components of continuous casting machine operation, has important functions of casting machine casting start, casting machine flow control, casting machine argon blowing, casting machine casting stop and the like, the use requirements of different initial rod positions are made according to different steel type characteristics and are necessary guarantee for guaranteeing normal production of the casting machine, so the proper stopper rod position is important before the casting machine casting start, but the initial stopper rod position adjustment in the current stage is carried out in a tundish baking position, 2 tundish installers, 1 tundish steel casting worker and 1 steel casting master controller are required to be matched together in the stopper rod adjusting process, the single adjusting time exceeds 40min, too many manual operations cause the master controller and the steel casting worker to have heavy tasks, the labor efficiency is reduced, and the stopper rod operation runs against the major trend of reducing personnel and increasing efficiency of steel enterprises.

In the prior art, the stopper rod adjusting method is long in adjusting time and low in labor efficiency, and is not beneficial to improving the production efficiency of a casting production line.

Disclosure of Invention

The invention provides an off-line stopper rod adjusting method, which solves or partially solves the technical problems of long adjusting time and low labor efficiency of the stopper rod adjusting method in the prior art, and achieves the technical effects of reducing the adjusting time, improving the labor efficiency and improving the casting production efficiency.

The invention provides an off-line regulating method of a stopper rod,

after the middle ladle is built, the initial adjustment work of the stopper rod shutter is completed in the process of still drying the middle ladle;

the initial adjustment work of the stopper shutter includes:

setting an initial rod position of a stopper of the stopper shutter according to the type of the tundish;

driving the stopper rod to move to the initial rod position by the stopper rod shutter;

the stopper rod shutter is locked to keep the stopper rod at the initial rod position.

Preferably, the tundish type comprises: a hollow stopper rod tundish, a solid stopper rod tundish and an integral water gap tundish.

Preferably, the setting of the initial rod position of the stopper shutter according to the type of the tundish includes:

when the tundish is the hollow stopper tundish, the initial stopper position is a position of the stopper moved a first distance from the zero point position of the mechanical stroke;

when the tundish is the solid stopper tundish, the initial stopper rod position is a position of the stopper rod after moving a second distance from the zero point position of the mechanical stroke;

and when the tundish is the integral nozzle tundish, the initial rod position is the position of the stopper rod after moving a third distance from the zero point position of the mechanical stroke.

Preferably, the mechanical stroke of the stopper rod shutter is 120 mm;

the first distance is 40 +/-5 mm;

the second distance is 50 +/-5 mm;

the third distance is 60 +/-5 mm.

Preferably, the driving of the stopper rod to the initial rod position by the stopper rod shutter includes:

setting a position scale on the stopper rod shutter, wherein when the top end of the stopper rod moves to a position horizontal to the position scale, the stopper rod is in the initial rod position;

the stopper rod is driven by the stopper rod shutter to move to a position where the top end of the stopper rod moves to be horizontal to the position scale.

Preferably, after the initial adjustment work of the stopper rod shutter is completed, the tundish is lifted to a casting station.

One or more technical solutions provided in the present application have at least the following technical effects or advantages:

after the middle ladle is built, the initial adjustment work of the stopper rod shutter is completed in the process of still drying the middle ladle; the initial adjustment work of the stopper shutter includes: setting an initial rod position of a stopper of the stopper shutter according to the type of the tundish; the stopper rod is driven to move to an initial rod position through the stopper rod shutter; locking the stopper rod shutter to keep the stopper rod at the initial rod position; according to the use requirements of the tundish used by different steel grades corresponding to the initial rod position, tundish installers complete the position adjustment work of the stopper rod shutter in advance at the tundish repairing position, the single-casting time of the casting machine can reduce the labor time by 40min, 2 workers (a tundish casting steelmaker 1 and a steel casting main control worker 1) are saved, the labor intensity of the operators is reduced, the production efficiency is improved, and the considerable effect is achieved in the labor reducing and efficiency improving work. Therefore, the technical problems of long adjusting time and low labor efficiency of the stopper rod adjusting method in the prior art are effectively solved, and the technical effects of reducing the adjusting time, improving the labor efficiency and improving the casting production efficiency are achieved.

Drawings

Fig. 1 is a schematic flow chart of the initial adjustment work of the stopper rod shutter in the stopper rod off-line adjustment method according to the embodiment of the present invention.

Detailed Description

The embodiment of the application provides an off-line stopper rod adjusting method, which solves or partially solves the technical problems of long adjusting time and low labor efficiency of a stopper rod adjusting method in the prior art, and completes the initial adjusting work of a stopper rod shutter in the process of still drying a tundish after the tundish is repaired; the technical effects of reducing the adjusting time, improving the labor efficiency and improving the casting production efficiency are achieved.

The invention provides an off-line stopper rod adjusting method, which is used for finishing the initial adjustment work of a stopper rod shutter in the process of still drying a tundish after the tundish is built.

Referring to fig. 1, the initial adjustment of the stopper shutter comprises:

s1: and setting the initial rod position of the stopper shutter according to the type of the tundish.

S2: the stopper rod is driven to move to the initial rod position by the stopper rod shutter.

S3: the stopper rod shutter is locked, so that the stopper rod is kept at the initial rod position, and the deviation of the position of the stopper rod in the hoisting process of the tundish later is avoided.

According to the using requirements of the tundish used by different steel grades corresponding to the initial rod position, tundish installers complete the position adjustment work of the stopper rod shutter in advance at the tundish repairing position, the casting machine can reduce the labor time by 40min for a single casting time, 2 workers (a tundish steel casting worker 1 and a steel casting main worker 1) are saved, the labor intensity of the operators is reduced, the production efficiency is improved, and the neglectable effect is achieved in the labor reducing and efficiency improving work.

Further, the tundish type comprises: a hollow stopper rod tundish, a solid stopper rod tundish and an integral water gap tundish. Setting an initial rod position of a stopper of the stopper shutter according to a tundish type, comprising:

when the tundish is a hollow stopper tundish, the initial rod position is the position of the stopper moved a first distance from the zero position of the mechanical stroke.

When the tundish is a solid stopper tundish, the initial rod position is the position of the stopper moved a second distance from the zero position of the mechanical stroke.

And when the tundish is the integral water gap tundish, the initial rod position is the position of the stopper rod after the stopper rod moves a third distance from the zero point position of the mechanical stroke.

Wherein, the mechanical stroke of the stopper rod shutter is 120 mm; the first distance, the second distance and the third distance need to be obtained by experimental summary, and as a preferred embodiment, the first distance is 40 +/-5 mm; the second distance is 50 +/-5 mm; the third distance is 60 + -5 mm.

Further, the stopper rod is driven to move to the initial rod position by the stopper rod shutter, and the method comprises the following steps:

setting position scales on the stopper rod shutter, wherein when the top end of the stopper rod moves to a position horizontal to the position scales, the stopper rod is in an initial rod position; the bottom end of the stopper rod shutter is used for a long time and has large abrasion, and when the initial position of the stopper rod is adjusted, the deviation of calculating the initial rod position by taking the bottom end as a reference is large, so the initial rod position of the stopper rod is set by taking the top end of the stopper rod as the reference, and the accuracy of the initial rod position is ensured. The stopper rod is driven by the stopper rod shutter to move to the position that the top end of the stopper rod moves to be horizontal to the position scale.

Further, after the initial adjustment work of the stopper rod shutter is completed, the tundish is lifted to a casting station, and the later-stage casting work is carried out.

The off-line stopper rod adjusting method provided by the application is described in detail by the following specific embodiments:

after the middle ladle is built, the initial adjustment work of the stopper rod shutter is completed in the process of still drying the middle ladle. The initial adjustment work of the stopper shutter includes:

s1: setting an initial rod position of a stopper of the stopper shutter according to the type of the tundish; when the tundish is a hollow stopper tundish, the initial rod position is the position of the stopper rod after moving 40mm from the zero point position of the mechanical stroke. When the tundish is a solid stopper tundish, the initial rod position is the position of the stopper after the stopper moves 50mm from the zero point position of the mechanical stroke. When the tundish is the integral nozzle tundish, the initial rod position is the position of the stopper rod after the stopper rod moves 60mm from the zero point position of the mechanical stroke. Wherein the mechanical stroke of the stopper shutter is 120 mm.

S2: the stopper rod is driven to move to an initial rod position through the stopper rod shutter; and setting position scales on the stopper shutter, wherein after the stopper moves from the zero point position of the mechanical stroke to the initial rod position, the top end of the stopper and the position scales are in the same horizontal position. The stopper rod is driven by the stopper rod shutter to move to the position that the top end of the stopper rod moves to be horizontal to the position scale.

S3: the stopper rod shutter is locked, so that the stopper rod is kept at the initial rod position, and the deviation of the position of the stopper rod in the hoisting process of the tundish later is avoided.

S4: after the initial adjustment work of the stopper rod shutter is completed, the tundish is lifted to a casting station, and the later casting work is carried out.

One or more technical solutions provided in the present application have at least the following technical effects or advantages:

after the middle ladle is built, the initial adjustment work of the stopper rod shutter is completed in the process of still drying the middle ladle; the initial adjustment work of the stopper shutter includes: setting an initial rod position of a stopper of the stopper shutter according to the type of the tundish; the stopper rod is driven to move to an initial rod position through the stopper rod shutter; locking the stopper rod shutter to keep the stopper rod at the initial rod position; according to the use requirements of the tundish used by different steel grades corresponding to the initial rod position, tundish installers complete the position adjustment work of the stopper rod shutter in advance at the tundish repairing position, the single-casting time of the casting machine can reduce the labor time by 40min, 2 workers (a tundish casting steelmaker 1 and a steel casting main control worker 1) are saved, the labor intensity of the operators is reduced, the production efficiency is improved, and the considerable effect is achieved in the labor reducing and efficiency improving work. Therefore, the technical problems of long adjusting time and low labor efficiency of the stopper rod adjusting method in the prior art are effectively solved, and the technical effects of reducing the adjusting time, improving the labor efficiency and improving the casting production efficiency are achieved.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (2)

1. An off-line regulating method of a stopper rod is characterized in that,
after the middle ladle is built, the initial adjustment work of the stopper rod shutter is completed in the process of still drying the middle ladle;
the initial adjustment work of the stopper shutter includes:
setting an initial rod position of a stopper of the stopper shutter according to the type of the tundish;
the tundish type comprises: a hollow stopper rod tundish, a solid stopper rod tundish and an integral water gap tundish;
the setting of the initial rod position of the stopper shutter according to the type of the tundish includes:
when the tundish is the hollow stopper tundish, the initial stopper position is a position of the stopper moved a first distance from a zero point position of a mechanical stroke;
when the tundish is the solid stopper tundish, the initial stopper position is a position of the stopper moved a second distance from a zero point position of the mechanical stroke;
when the tundish is the integral nozzle tundish, the initial rod position is a position of the stopper rod after moving a third distance from a zero point position of a mechanical stroke;
driving the stopper rod to move to the initial rod position by the stopper rod shutter;
locking the stopper rod shutter to keep the stopper rod at the initial rod position;
the mechanical stroke of the stopper rod shutter is 120 mm;
the first distance is 40 +/-5 mm;
the second distance is 50 +/-5 mm;
the third distance is 60 +/-5 mm;
the driving of the stopper rod to the initial rod position by the stopper rod shutter comprises:
setting a position scale on the stopper rod shutter, wherein when the top end of the stopper rod moves to a position horizontal to the position scale, the stopper rod is in the initial rod position;
the stopper rod is driven by the stopper rod shutter to move to a position where the top end of the stopper rod moves to be horizontal to the position scale.
2. A stopper rod off-line adjustment method as claimed in claim 1,
and after the initial adjustment work of the stopper rod shutter is finished, hoisting the tundish to a casting station.
CN201710828258.4A 2017-09-14 2017-09-14 Off-line adjustment method for stopper rod CN107716911B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710828258.4A CN107716911B (en) 2017-09-14 2017-09-14 Off-line adjustment method for stopper rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710828258.4A CN107716911B (en) 2017-09-14 2017-09-14 Off-line adjustment method for stopper rod

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CN107716911B true CN107716911B (en) 2020-09-18

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201558951U (en) * 2009-12-15 2010-08-25 武汉九鼎冶金电气设备有限责任公司 Inserted middle pot stopper rod opening-closing mechanism
CN102133633A (en) * 2011-04-21 2011-07-27 马鞍山钢铁股份有限公司 Switching mechanism for intermediate tank stopper rod of continuous casting machine
CN202185581U (en) * 2011-04-21 2012-04-11 马鞍山钢铁股份有限公司 Opening and closing mechanism for stopper rod of intermediate tank of continuous casting machine
CN103769569A (en) * 2014-02-17 2014-05-07 河南省宏达炉业有限公司 Flow control device and method for continuous casting tundish
CN104950929A (en) * 2011-12-13 2015-09-30 江西稀有稀土金属钨业集团有限公司 Vision-based automatic cast wheel liquid level control system and vision-based automatic cast wheel liquid level control method
CN205450717U (en) * 2015-12-23 2016-08-10 北京首钢自动化信息技术有限公司 Excellent mechanism controls device of off -line stopper

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE534281C2 (en) * 2009-12-08 2011-06-28 Swerea Mefos Ab Control device for a casting box

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201558951U (en) * 2009-12-15 2010-08-25 武汉九鼎冶金电气设备有限责任公司 Inserted middle pot stopper rod opening-closing mechanism
CN102133633A (en) * 2011-04-21 2011-07-27 马鞍山钢铁股份有限公司 Switching mechanism for intermediate tank stopper rod of continuous casting machine
CN202185581U (en) * 2011-04-21 2012-04-11 马鞍山钢铁股份有限公司 Opening and closing mechanism for stopper rod of intermediate tank of continuous casting machine
CN104950929A (en) * 2011-12-13 2015-09-30 江西稀有稀土金属钨业集团有限公司 Vision-based automatic cast wheel liquid level control system and vision-based automatic cast wheel liquid level control method
CN103769569A (en) * 2014-02-17 2014-05-07 河南省宏达炉业有限公司 Flow control device and method for continuous casting tundish
CN205450717U (en) * 2015-12-23 2016-08-10 北京首钢自动化信息技术有限公司 Excellent mechanism controls device of off -line stopper

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