CN107971353A - The roller-way control method of steel pipe on-line cooling - Google Patents
The roller-way control method of steel pipe on-line cooling Download PDFInfo
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- CN107971353A CN107971353A CN201610950259.1A CN201610950259A CN107971353A CN 107971353 A CN107971353 A CN 107971353A CN 201610950259 A CN201610950259 A CN 201610950259A CN 107971353 A CN107971353 A CN 107971353A
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- Prior art keywords
- roller
- steel pipe
- line
- cold
- way
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- 239000010959 steel Substances 0.000 title claims abstract description 166
- 238000001816 cooling Methods 0.000 title claims abstract description 111
- 239000002184 metal Substances 0.000 claims abstract description 97
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
- B21B37/76—Cooling control on the run-out table
Abstract
The present invention relates to steel pipe's production burning optimization on line technology.A kind of roller-way control method of steel pipe on-line cooling, the operation and start and stop of roller-way can effectively be controlled, the roller-way is included in the on-line cooling roller-way in main rollgang and on-line cooling process units after sizing mill, which is arranged at after sizing mill by main conveying roller diatom parallel.The present invention can control the main operation of conveying roller diatom roller-way and on-line cooling roller line roller-way and start and stop according to steel pipe real-time tracking position and metal detector detection signal, effectively ensure on-line cooling process units normal operation and steel pipe's production direct motion；And alignment thereof and cold front roller-way startup time are exported by optimizing sizing mill, accelerates the rhythm of production of on-line cooling.
Description
Technical field
The present invention relates to steel pipe's production burning optimization on line technology, more particularly to a kind of roller-way controlling party of steel pipe on-line cooling
Method.
Background technology
Implement the on-line cooling of certain cooling rate scope to hot rolled seamless steel tube, it is therefore an objective to the obdurability of steel pipe is improved, instead of
Heat-treated offline, simplifies process, reduces energy consumption, reduces cost.
For hot rolling seamless steel pipe production process, it is contemplated that rolling line stability and production smoothness, to reduce metal material
Resistance of deformation in poling and tube rolling deformation process, the heating of pipe and forming process are usually required that in higher temperature at present
In the range of carry out.High-temperature heating and high temperature deformation will cause controlled rolling means are difficult to be utilized in steel pipe's production, that is, pass through Austria
Family name's body recrystallizes the purpose that crystal grain thinning is realized with the deformation of Unhydrated cement two-phase control rolling, causes austenite structure in significant
Roughening trend.But due to lacking roller repairing means, conventional seamless steel pipe hot-rolling technique is typically after plug, is taken
Air-cooled mode is cooled to room temperature on cold bed, substantially less than regulation and control microstructure improve comprehensive mechanical property the purpose of.
There are part research institution and producer to carry out the pilot study of hot rolled seamless steel tube cooling control after rolling both at home and abroad at present,
But test instrument on line is concentrated mainly at present（Heating）Technique and direct-on-line quenching technical etc., technique is more single, at the same time
The not high volume applications on product, are used only for performance improvement of a small amount of product etc..
The content of the invention
It is an object of the invention to provide a kind of roller-way control method of steel pipe on-line cooling, which can have
Effect control roller-way operation and start and stop, it is ensured that on-line cooling process units normal operation and steel pipe's production direct motion.
In order to realize above-mentioned technical purpose, the present invention adopts the following technical scheme that：
A kind of roller-way control method of steel pipe on-line cooling, is set by main conveying roller diatom a set of parallel online after sizing mill
Process units is cooled down, the on-line cooling process units includes front end Fan Guan mechanisms and rear end Fan Guan mechanisms, an on-line cooling
Roller line, on-line cooling equipment；
Several hot metal detectors HMD, cold metal detection are set respectively on main conveying roller diatom and on-line cooling roller line
Device CMD, pyrometer T；
The on-line cooling roller line is divided into three sections, with every two one group of the pyrometer T set on on-line cooling roller line
To divide, two pyrometers are relatively near apart, to same point thermometric, each other standby；First segment is the roller before pyrometer T1/2
Road is known as cold front roller-way；Roller-way of the second segment between pyrometer T1/2 and pyrometer T3/4 is known as cooling roller bed；3rd section is
Roller-way after pyrometer T3/4 is known as cold rear roller-way；
The roller-way control method of the steel pipe on-line cooling, its step are：
First, when the hot metal detector HMD1 for being arranged at main conveying roller diatom detects the steel pipe that sizing mill comes out, the heat
Metal detector HMD1 is triggered, and main conveying roller diatom starts, and steel pipe moves forwards, when the thermometal for being arranged at main conveying roller diatom
When detector HMDX detects steel pipe, wherein X is natural number, and 1< X <6, hot metal detector HMDX are triggered, at this time
Main conveying roller diatom stops, if cold front roller-way, without steel pipe, the revoliving arm of front end Fan Guan mechanisms, which starts, overturns steel pipe to cold preliminary roller
Road；
Second, to be placed on on-line cooling roller line hot metal detector HMD6/7 detect steel pipe N seconds after, pipe machine is turned in front end
Structure revoliving arm actual rotational angle puts steel angle more than setting, and cold front roller-way is started immediately by setting speed, and with the speed of setting
Curve motion；
3rd, after steel pipe afterbody goes out cold front roller-way, cold front roller-way is automatically stopped；After cold preceding pyrometer T1/2 triggerings, chill roll
Road automatic start, after steel pipe afterbody goes out cooling roller bed, cooling roller bed is automatically stopped；Pyrometer T3/4 triggerings, cold back roller after cold
Road automatic start, the revoliving arm of rear end Fan Guan mechanisms are in zero-bit；Steel pipe is during cooling roller bed is run, on-line cooling equipment pair
Steel pipe carries out cooling treatment；
4th, when the arrival of steel pipe afterbody is arranged at the hot metal detector HMD8 of on-line cooling roller line or is arranged at on-line cooling
When at the cold metal detector CMD1 of roller line, or when the arrival of steel pipe head is arranged at the thermometal inspection of on-line cooling roller line
When surveying device HMD12 or being arranged at the cold metal detector CMD5 of on-line cooling roller line, steel pipe reduces speed now；When steel pipe afterbody
Reach the hot metal detector HMD9 for being arranged at on-line cooling roller line or the cold metal detection for being arranged at on-line cooling roller line
During device CMD2, or when the arrival of steel pipe head is arranged at the hot metal detector HMD13 of on-line cooling roller line or is arranged at
During the cold metal detector CMD6 of line chill roll diatom, steel pipe is out of service；
5th, after the completion of steel pipe on-line cooling, the revoliving arm of rear end Fan Guan mechanisms starts that steel pipe is overturn the master to cold bed is defeated
Roller line is sent, recycles the Fan Guan mechanisms by main conveying roller diatom between cold bed to turn to the steel pipe on cold bed.
After the hot metal detector HMD6/7 detects steel pipe 6 seconds, cold front roller-way is started immediately by setting speed.
When the steel pipe that the sizing mill comes out is single multiple length steel pipe or double ruler steel pipe, to be arranged at main conveying roller diatom
Hot metal detector HMD2 heat inspection signals are as main conveying roller diatom deceleration trigger signal, to be arranged at the heat of main conveying roller diatom
Metal detector HMD3 heat inspection signals stop trigger signal as main conveying roller diatom.
When the steel pipe that the sizing mill comes out is triple scale steel pipe, to be arranged at the hot metal detector of main conveying roller diatom
HMD4 heat inspection signals are as main rollgang deceleration trigger signal, to be arranged at the hot metal detector HMD5 of main conveying roller diatom
Heat inspection signal stops trigger signal as main rollgang.
When the steel pipe that the sizing mill comes out is single multiple length steel pipe, previous steel pipe is to be arranged at the heat of main conveying roller diatom
Metal detector HMD2 heat inspection signal is as main conveying roller diatom deceleration trigger signal, to be arranged at the heat gold of main conveying roller diatom
Belong to detector HMD3 heat inspection signal as main conveying roller diatom and stop trigger signal, when the steel pipe through front end Fan Guan mechanisms turn over pipe it
Afterwards, sizing mill can tap；Latter steel pipe is made with being arranged at the hot metal detector HMD4 of main conveying roller diatom heat inspection signals
For main rollgang deceleration trigger signal, the hot metal detector HMD5 heat inspection signal to be arranged at main conveying roller diatom is used as master
Rollgang stops trigger signal；Such alternately roller-way start-up and shut-down control and double steel operation.
The roller-way control method of steel pipe on-line cooling of the present invention can effectively control the operation and start and stop of roller-way, which includes
On-line cooling roller-way after sizing mill in main rollgang and on-line cooling process units, the on-line cooling process units are parallel
It is arranged at after sizing mill by main conveying roller diatom.On-line cooling process units and main conveying roller diatom can not only meet that steel pipe is online
The various process requirements of cooling, and the production direct motion of non-cooled steel pipe is not influenced.
The roller-way control method of steel pipe on-line cooling of the present invention can be examined according to steel pipe real-time tracking position and metal detector
Signal is surveyed to control the main operation of conveying roller diatom roller-way and on-line cooling roller line roller-way and start and stop, effectively ensures that on-line cooling is given birth to
Produce device normal operation and steel pipe's production direct motion；And when exporting alignment thereof and the startup of cold front roller-way by optimizing sizing mill
Between, accelerate the rhythm of production of on-line cooling.
Brief description of the drawings
Fig. 1 arranges schematic diagram for steel pipe on-line cooling process units.
In figure：HMD hot metal detectors, CMD cold metal detectors, HBD flexural measurement instrument, T pyrometers.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of roller-way control method of steel pipe on-line cooling, one is set after sizing mill by main conveying roller diatom
Cover parallel on-line cooling process units, the on-line cooling process units include front end Fan Guan mechanisms and rear end Fan Guan mechanisms,
One on-line cooling roller line, on-line cooling equipment.
Several hot metal detectors HMD, cold metal are set respectively on main conveying roller diatom and on-line cooling roller line
Detector C MD, flexural measurement instrument HBD and pyrometer T, easy to the operation of detecting and tracking steel pipe.Wherein：Flexural measurement instrument HBD is used
In the curvature for the steel pipe that detection sizing mill comes out.
The on-line cooling roller line is divided into three sections, with every two one group of the high temperature set on on-line cooling roller line
T is counted to divide, two pyrometers are relatively near apart, to same point thermometric, each other standby.Before first segment is pyrometer T1/2
Roller-way is known as cold front roller-way, i.e. is denoted as in Fig. 1Region；Roller of the second segment between pyrometer T1/2 and pyrometer T3/4
Road is known as cooling roller bed, i.e. is denoted as in Fig. 1Region；3rd section is known as cold back roller for the roller-way after pyrometer T3/4
It is denoted as in road, i.e. figureRegion, and after pyrometer T3/4 certain distances equipped with measurement steel pipe go out cooled region after
The pyrometer T5/6 of red temperature.
A kind of roller-way control method of steel pipe on-line cooling, is controlled according to steel pipe real-time tracking position and heat inspection detection signal
Roller-way operation and start and stop processed；Alignment thereof and cold front roller-way startup time are exported by optimizing sizing mill, accelerates on-line cooling
Rhythm of production.Its step is：
First, when the hot metal detector HMD1 for being arranged at main conveying roller diatom detects the steel pipe that sizing mill comes out, the heat
Metal detector HMD1 is triggered, and main conveying roller diatom starts, and steel pipe moves forwards, when the thermometal for being arranged at main conveying roller diatom
When detector HMDX detects steel pipe, wherein X is natural number, and 1< X <6, hot metal detector HMDX are triggered, at this time
Main conveying roller diatom stops, if cold front roller-way, without steel pipe, the revoliving arm of front end Fan Guan mechanisms, which starts, overturns steel pipe to cold preliminary roller
Road.
When the steel pipe that the sizing mill comes out is single multiple length steel pipe or double ruler steel pipe, to be arranged at main conveying roller diatom
Hot metal detector HMD2 heat inspection signals are as main conveying roller diatom deceleration trigger signal, to be arranged at the heat of main conveying roller diatom
Metal detector HMD3 heat inspection signals stop trigger signal as main conveying roller diatom.
When the steel pipe that the sizing mill comes out is triple scale steel pipe, to be arranged at the hot metal detector of main conveying roller diatom
HMD4 heat inspection signals are as main rollgang deceleration trigger signal, to be arranged at the hot metal detector HMD5 of main conveying roller diatom
Heat inspection signal stops trigger signal as main rollgang.
Second, to be placed on on-line cooling roller line hot metal detector HMD6/7 detect steel pipe N seconds after, wherein, N
6 are taken, to prevent error signal, i.e., after hot metal detector HMD6/7 detects steel pipe 6 seconds, Fan Guan mechanisms revoliving arm in front end is actual to be turned
Steel angle is put in angle more than setting, steel pipe is positioned on cold front roller-way, and revoliving arm departs from cold front roller-way, cold front roller-way
Start immediately by setting speed, and run with the rate curve of Process Control System setting.
3rd, after steel pipe afterbody goes out cold front roller-way, cold front roller-way is automatically stopped；It is cold after cold preceding pyrometer T1/2 triggerings
But roller-way automatic start, after steel pipe afterbody goes out cooling roller bed, cooling roller bed is automatically stopped；Pyrometer T3/4 triggerings, cold after cold
Roller-way automatic start afterwards, the revoliving arm of rear end Fan Guan mechanisms are in zero-bit；During cooling roller bed is run, on-line cooling is set steel pipe
It is standby that cooling treatment is carried out to steel pipe.
4th, when the arrival of steel pipe afterbody is arranged at the hot metal detector HMD8 of on-line cooling roller line or is arranged at online
When at the cold metal detector CMD1 of chill roll diatom, or when the arrival of steel pipe head is arranged at the heat gold of on-line cooling roller line
When belonging to detector HMD12 or being arranged at the cold metal detector CMD5 of on-line cooling roller line, steel pipe reduces speed now；Work as steel pipe
Afterbody arrival is arranged at the hot metal detector HMD9 of on-line cooling roller line or is arranged at the cold metal of on-line cooling roller line
During detector C MD2, or when the arrival of steel pipe head is arranged at hot metal detector HMD13 or the setting of on-line cooling roller line
When the cold metal detector CMD6 of on-line cooling roller line, steel pipe is out of service.
5th, after the completion of steel pipe on-line cooling, the revoliving arm of rear end Fan Guan mechanisms, which starts, overturns steel pipe to cold bed
Main conveying roller diatom, recycles the Fan Guan mechanisms by main conveying roller diatom between cold bed to turn to the steel pipe on cold bed.
In rhythm of production faster in special circumstances, for single multiple length steel pipe, using left-justify（I.e. by hot metal detector
HMD2/3 controls the deceleration and stopping of main conveying roller diatom）And Right Aligns（Main conveying is controlled by hot metal detector HMD4/5
The deceleration and stopping of roller line）Alternation method carries out the start-up and shut-down control of roller-way.I.e.：The steel pipe that the sizing mill comes out is single multiple length
During steel pipe, previous steel pipe is used as main rollgang using the hot metal detector HMD2 heat inspection signals for being arranged at main conveying roller diatom
Line deceleration trigger signal, the hot metal detector HMD3 heat inspection signals to be arranged at main conveying roller diatom are used as main conveying roller diatom
Stop trigger signal, after the steel pipe turns over pipe through front end Fan Guan mechanisms, sizing mill can tap；Latter steel pipe is to be arranged at
The hot metal detector HMD4 heat inspection signal of main conveying roller diatom is defeated to be arranged at master as main rollgang deceleration trigger signal
The hot metal detector HMD5 heat inspection signals of roller line are sent to stop trigger signal as main rollgang；Such alternately roller-way
Start-up and shut-down control and double steel operation.
Embodiment
On-line cooling roller line is arranged in by main conveying roller diatom, at an angle to be in tilted layout using V-type roller-way.
On-line cooling roller line is configured using variable-frequency motor, gear reduction unit, and using being in tilted layout with certain angle.It is online cold
But roller-way can be with forward and reverse rotation.It can only be rotated forward under the conditions of automatic., can be with forward and reverse rotation under the conditions of manually.Hand
The purpose reversely rotated under the conditions of dynamic, is that will be not required to the steel pipe transmission of cooling to starting position.
In certain intervals length range, part on-line cooling roller-way is configured with encoder, and the position for steel pipe is accurate
Tracking.On-line cooling roller transport line both sides need to set steel pipe protective device.The factors such as water projection are cooled down in view of cooling procedure,
On-line cooling region electric machines for roller will select the motor with high-protection level（Degree of protection reaches IP67）.
1st, the roller-way control method of main rollgang
It is different according to length of steel pipe（Single multiple length, double ruler and triple scale steel pipe）, used respectively using different detecting and tracking signals
In deceleration at different moments and stop control in roller-way.
When steel pipe is single multiple length or double ruler, is slowed down using hot metal detector HMD2 heat inspection signals as main rollgang and touched
Signal, stop trigger signal using hot metal detector HMD3 heat inspection signals as main rollgang.
When steel pipe is triple scale, using hot metal detector HMD4 heat inspection signal as main rollgang deceleration trigger signal,
Stop trigger signal using hot metal detector HMD5 heat inspection signals as main rollgang.
In rhythm of production faster in special circumstances, for single multiple length steel pipe, using left-justify and Right Aligns alternation method
Carry out the start-up and shut-down control of roller-way.For example, previous steel pipe is subtracted using hot metal detector HMD2 heat inspection signals as main rollgang
Fast trigger signal, stops trigger signal, when the steel pipe turns over pipe using hot metal detector HMD3 heat inspection signals as main rollgang
Afterwards, sizing mill can tap.Latter steel pipe is slowed down using hot metal detector HMD4 heat inspection signals as main rollgang to be triggered
Signal, stops trigger signal using hot metal detector HMD5 heat inspection signals as main rollgang.Such alternately roller-way opens
Stop control and double steel operation, rhythm of production can be greatly speeded up.
2nd, the control method of cold front roller-way
When steel pipe is single multiple length or double ruler, hot metal detector HMD6 detections have steel signal and the revoliving arm of rear end Fan Guan mechanisms
Rotational angle is more than certain angle, then cold front roller-way starts；When steel pipe is triple scale, hot metal detector HMD7 detections have steel letter
Number and the revoliving arm rotational angles of rear end Fan Guan mechanisms be more than certain angle, cold front roller-way starts.
Steel pipe afterbody goes out cold front roller-way（Cold preceding pyrometer T1/2 resets, i.e. trailing edge）Or steel pipe afterbody tracing positional is more than
Cold preceding pyrometer T1/2 positions, then cold front roller-way stopping.
3rd, the control method of cooling roller bed
Cold front roller-way starts or cold preceding pyrometer T1/2 triggerings（Rising edge）Can cooling roller bed be started.
Red pyrometer T5/6 is returned to reset（Trailing edge）Or the tracing positional of steel pipe afterbody is more than the institute for returning red pyrometer T5/6
In position and under conditions of the stopping of cold front roller-way, cooling roller bed stops.Pyrometer T5/6 is equipped with certain in pyrometer T3/4
After distance, go out red temperature after cooled region to measure steel pipe, also known as return red pyrometer T5/6.
4th, cold back roller channel control method
The control of roller-way is related with the alignment thereof of blanking double steel to cold bed after cold.Blanking double steel area is divided into three kinds of alignment sides
Formula：Left-justify, Right Aligns, both ends alignment, both end of which alignment refer to that the steel pipe on cold bed is put into triangle disposition, i.e., upper root steel
For pipe if left-justify, lower branch steel pipe is then Right Aligns, and so on.
Pyrometer triggering T3/4 after cold（Rising edge）Or steel pipe head tracking position is more than cold rear pyrometer position, and
Blanking revoliving arm is in security bit and cold rear roller-way and starts without steel, cold rear roller-way.
During blanking left-justify, hot metal detector HMD8 or cold metal detector CMD1 resets or steel pipe afterbody tracing positional
More than the position of hot metal detector HMD8 and cold metal detector CMD1, cold rear roller-way slows down；During blanking Right Aligns, heat
Metal detector HMD12 or cold metal detector CMD5 resets or steel pipe head tracking position is more than hot metal detector HMD12
With the position of cold metal detector CMD5, cold rear roller-way slows down.
During blanking left-justify, hot metal detector HMD9 or cold metal detector CMD2 resets or steel pipe afterbody tracing positional
More than the position of hot metal detector HMD9 and cold metal detector CMD2, cold rear roller-way stops；During blanking Right Aligns, heat
Metal detector HMD13 or cold metal detector CMD6 resets or steel pipe head tracking position is more than hot metal detector HMD13
With the position of cold metal detector CMD6, cold rear roller-way stops.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the scope of the present invention, therefore, it is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, should be included in the protection model of the present invention
Within enclosing.
Claims (5)
1. a kind of roller-way control method of steel pipe on-line cooling, it is characterized in that：
A set of parallel on-line cooling process units, the on-line cooling production dress are set after sizing mill by main conveying roller diatom
Put including front end Fan Guan mechanisms and rear end Fan Guan mechanisms, an on-line cooling roller line, on-line cooling equipment；
Several hot metal detectors HMD, cold metal detection are set respectively on main conveying roller diatom and on-line cooling roller line
Device CMD, pyrometer T；
The on-line cooling roller line is divided into three sections, with every two one group of the pyrometer T set on on-line cooling roller line
To divide, two pyrometers are relatively near apart, to same point thermometric, each other standby；First segment is the roller before pyrometer T1/2
Road is known as cold front roller-way；Roller-way of the second segment between pyrometer T1/2 and pyrometer T3/4 is known as cooling roller bed；3rd section is
Roller-way after pyrometer T3/4 is known as cold rear roller-way；
The roller-way control method of the steel pipe on-line cooling, its step are：
First, when the hot metal detector HMD1 for being arranged at main conveying roller diatom detects the steel pipe that sizing mill comes out, the heat
Metal detector HMD1 is triggered, and main conveying roller diatom starts, and steel pipe moves forwards, when the thermometal for being arranged at main conveying roller diatom
When detector HMDX detects steel pipe, wherein X is natural number, and 1< X <6, hot metal detector HMDX are triggered, at this time
Main conveying roller diatom stops, if cold front roller-way, without steel pipe, the revoliving arm of front end Fan Guan mechanisms, which starts, overturns steel pipe to cold preliminary roller
Road；
Second, to be placed on on-line cooling roller line hot metal detector HMD6/7 detect steel pipe N seconds after, pipe machine is turned in front end
Structure revoliving arm actual rotational angle puts steel angle more than setting, and cold front roller-way is started immediately by setting speed, and with the speed of setting
Curve motion；
3rd, after steel pipe afterbody goes out cold front roller-way, cold front roller-way is automatically stopped；After cold preceding pyrometer T1/2 triggerings, chill roll
Road automatic start, after steel pipe afterbody goes out cooling roller bed, cooling roller bed is automatically stopped；Pyrometer T3/4 triggerings, cold back roller after cold
Road automatic start, the revoliving arm of rear end Fan Guan mechanisms are in zero-bit；Steel pipe is during cooling roller bed is run, on-line cooling equipment pair
Steel pipe carries out cooling treatment；
4th, when the arrival of steel pipe afterbody is arranged at the hot metal detector HMD8 of on-line cooling roller line or is arranged at on-line cooling
When at the cold metal detector CMD1 of roller line, or when the arrival of steel pipe head is arranged at the thermometal inspection of on-line cooling roller line
When surveying device HMD12 or being arranged at the cold metal detector CMD5 of on-line cooling roller line, steel pipe reduces speed now；When steel pipe afterbody
Reach the hot metal detector HMD9 for being arranged at on-line cooling roller line or the cold metal detection for being arranged at on-line cooling roller line
During device CMD2, or when the arrival of steel pipe head is arranged at the hot metal detector HMD13 of on-line cooling roller line or is arranged at
During the cold metal detector CMD6 of line chill roll diatom, steel pipe is out of service；
5th, after the completion of steel pipe on-line cooling, the revoliving arm of rear end Fan Guan mechanisms starts that steel pipe is overturn the master to cold bed is defeated
Roller line is sent, recycles the Fan Guan mechanisms by main conveying roller diatom between cold bed to turn to the steel pipe on cold bed.
2. the roller-way control method of steel pipe on-line cooling according to claim 1, it is characterized in that：The hot metal detector
After HMD6/7 detects steel pipe 6 seconds, cold front roller-way is started immediately by setting speed.
3. the roller-way control method of steel pipe on-line cooling according to claim 1, it is characterized in that：What the sizing mill came out
When steel pipe is single multiple length steel pipe or double ruler steel pipe, to be arranged at the hot metal detector HMD2 of main conveying roller diatom heat inspection signals
As main conveying roller diatom deceleration trigger signal, made with being arranged at the hot metal detector HMD3 of main conveying roller diatom heat inspection signals
Stop trigger signal for main conveying roller diatom.
4. the roller-way control method of steel pipe on-line cooling according to claim 1, it is characterized in that：What the sizing mill came out
When steel pipe is triple scale steel pipe, the hot metal detector HMD4 heat inspection signals to be arranged at main conveying roller diatom are used as main conveying roller
Road deceleration trigger signal, the hot metal detector HMD5 heat inspection signals to be arranged at main conveying roller diatom stop as main rollgang
Only trigger signal.
5. the roller-way control method of steel pipe on-line cooling according to claim 1, it is characterized in that：What the sizing mill came out
When steel pipe is single multiple length steel pipe, previous steel pipe is made with being arranged at the hot metal detector HMD2 of main conveying roller diatom heat inspection signals
For main conveying roller diatom deceleration trigger signal, using be arranged at the hot metal detector HMD3 heat inspection signal of main conveying roller diatom as
Main conveying roller diatom stops trigger signal, and after the steel pipe turns over pipe through front end Fan Guan mechanisms, sizing mill can tap；Latter
Steel pipe to be arranged at the hot metal detector HMD4 heat inspection signals of main conveying roller diatom as main rollgang deceleration trigger signal,
Hot metal detector HMD5 heat inspection signals to be arranged at main conveying roller diatom stop trigger signal as main rollgang；So
Alternately roller-way start-up and shut-down control and double steel operation.
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| CN201610950259.1A CN107971353B (en) | 2016-10-25 | 2016-10-25 | The roller-way control method of steel pipe on-line cooling |
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| CN110496863A (en) * | 2018-05-17 | 2019-11-26 | 宝山钢铁股份有限公司 | A kind of rolled piece conveyor roller cooling control system and its method |
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| CN101125344A (en) * | 2007-09-18 | 2008-02-20 | 武汉钢铁(集团)公司 | Hot rolling strip steel double-ring control laminar flow cooling system |
| CN101157096A (en) * | 2007-11-16 | 2008-04-09 | 天津钢管集团股份有限公司 | Technique of controlling and cooling hot-rolled seamless tube online |
| CN101733291A (en) * | 2010-02-10 | 2010-06-16 | 东北大学 | Method for controlling speed of cooling roller bed after rolling medium plate |
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