CN107262533B - A kind of control method for laminar cooling and device - Google Patents
A kind of control method for laminar cooling and device Download PDFInfo
- Publication number
- CN107262533B CN107262533B CN201710494693.8A CN201710494693A CN107262533B CN 107262533 B CN107262533 B CN 107262533B CN 201710494693 A CN201710494693 A CN 201710494693A CN 107262533 B CN107262533 B CN 107262533B
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- defective valves
- collector
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- setting
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- 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
-
- 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
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
Abstract
The invention discloses a kind of control method for laminar cooling and devices, are applied to hot rolling technique field, this method comprises: obtaining the strip attribute information of current rolled band steel；According to the corresponding relationship of M group strip attribute and N kind defective valves setting mode, it is determined from N kind defective valves setting mode and the matched Fisrt fault valve setting mode of the strip attribute information of current rolled band steel, wherein, N kind defective valves setting mode respectively characterizes a kind of defective valves enabling configuration to each defective valves on the K group collector, configuration, each defective valves being correspondingly arranged on K group collector are enabled according to the defective valves that Fisrt fault valve sets mode instruction.The technical issues of live cooling temperature for solving hot-strip production in the prior art through the invention fluctuates, it is ensured that the temperature of the cold control of layer is more acurrate, control is more punctual, and then so as to improve control precision of coiling temperature, final product quality is more stable.
Description
Technical field
The present invention relates to hot rolling technique field more particularly to a kind of control method for laminar cooling and device.
Background technique
It is cold to strip progress using cooling facility for laminar flow before needing to batch after rolling in hot-strip production process
But, ideal metallographic structure and mechanical performance are obtained by controlling coiling temperature and the cooling rate of strip.Layer cold area domain is fixed
Justice is until finish rolling exports pyrometer to the pyrometer of underground crimping machine entrance.Layer cold area domain is divided into thick cold-zone domain and cold sperm
Region.Wherein 1-18 group collector is thick cold-zone domain, and the 19th, 20 group of collector is cold sperm region.
In the prior art, the steel grade specification requirement that defective valves are issued by basis, the thick cold-zone domain of manual setting in operation area
With the defective valves of the collector in cold sperm region, but since steel grade specification is various, the setting frequent changes of defective valves, it may appear that execute
Delay, defective valves setting is not fully according to requiring to execute, the live cooling temperature so as to cause hot-strip production fluctuates,
Control precision of coiling temperature is influenced, and then influences coil of strip final product quality.
Summary of the invention
The embodiment of the present invention solves hot-rolled strip in the prior art by providing a kind of control method for laminar cooling and device
The technical issues of live cooling temperature of steel production fluctuates.
In a first aspect, the layer the embodiment of the invention provides a kind of control method for laminar cooling, in hot-strip producing line
Cold-zone domain is provided with cooling facility for laminar flow, and the layer cold area domain includes thick cold-zone domain and cold sperm region, the cooling facility for laminar flow
Including the P group collector for the thick cold-zone domain arrangement and for the K group collector of cold sperm region arrangement, the P group collector
Be separately installed with defective valves on each collector in the K group collector, P, K are positive integer, which comprises
Obtain the strip attribute information of current rolled band steel；
According to the corresponding relationship of M group strip attribute and N kind defective valves setting mode, mode is set from the N kind defective valves
In determine and the strip attribute information of the current rolled band steel matched Fisrt fault valve setting mode, wherein the N kind
Defective valves setting mode respectively characterizes a kind of defective valves enabling configuration to each defective valves on the K group collector, and M, N are positive
Integer；
Configuration is enabled according to the defective valves that the Fisrt fault valve sets mode instruction, is correspondingly arranged on the K group collector
Each defective valves.
Optionally, the strip attribute information for obtaining current rolled band steel includes:
Steel grade, thickness parameter and the width parameter of the current rolled band steel are obtained from PDI data.
Optionally, the corresponding relationship according to M group strip attribute and N kind defective valves setting mode, from the N kind failure
It is determined in valve setting mode and the matched Fisrt fault valve setting mode of the strip attribute information of the current rolled band steel, packet
It includes:
According to the corresponding relationship that M group strip attribute present in defective valves configuration file and N kind steel grade identify, from the N
It is determined in kind of steel grade mark and steel grade, thickness parameter and the width parameter of the current rolled band steel matched first steel simultaneously
Kind mark；
Match pattern-coding mark corresponding with the first steel grade mark, wherein with first steel grade mark pair
The defective valves that the pattern-coding mark answered indicates set mode and set mode as the Fisrt fault valve.
Optionally, the defective valves for setting mode instruction according to the Fisrt fault valve enable configuration, are correspondingly arranged institute
State each defective valves on K group collector, comprising:
Mode is set according to the Fisrt fault valve, the defective valves for setting each defective valves on the K group collector enable
Configuration；
Defective valves after setting are enabled into configuration and are sent to execution equipment, so that the equipment that executes is according to the event after setting
Barrier valve enables configuration and is correspondingly arranged each defective valves on the K group collector.
Optionally, after each defective valves being correspondingly arranged on the K group collector, the method also includes:
Before the current rolled band steel enters layer cold area domain, the estimated calculating of mode is set according to the Fisrt fault valve
For the presetting configuration of collector of the K group collector；
The presetting configuration of the collector is sent to the execution equipment, so that the execution equipment is according to described presetting
Configuration pre-sets each collector of not enabled defective valves in the K group collector.
Optionally, in the execution equipment according to the presetting configuration to not enabled defective valves in the K group collector
After each collector is pre-seted, the method also includes:
Since the current rolled band steel enters the layer cold area domain, according to the Fisrt fault valve set mode and
According to the temperature in the layer cold area domain of prefixed time interval actual measurement, carries out dynamic calculating and set for the next of K group collector
Determine configuration；
Each calculated next setting configuration for the K group collector is sent to the execution equipment, for described
Equipment is executed to be updated the setting state of each collector of not enabled defective valves in the K group collector.
Second aspect, the embodiment of the invention provides a kind of laminar flow cooling control devices, the layer in hot-strip producing line
Cold-zone domain is provided with cooling facility for laminar flow, and the layer cold area domain includes thick cold-zone domain and cold sperm region, the cooling facility for laminar flow
Including the P group collector for the thick cold-zone domain arrangement and for the K group collector of cold sperm region arrangement, the P group collector
Be separately installed with defective valves on each collector in the K group collector, P, K are positive integer, and described device includes:
Attribute information acquiring unit, for obtaining the strip attribute information of current rolled band steel；
Defective valves set determination unit, for setting the corresponding relationship of mode according to M group strip attribute and N kind defective valves,
The matched Fisrt fault of strip attribute information with the current rolled band steel is determined from the N kind defective valves setting mode
Valve sets mode, wherein the N kind defective valves setting mode respectively characterizes a kind of each defective valves on the K group collector
Defective valves enable configuration, M, N be positive integer；
Defective valves setting unit, the defective valves for setting mode instruction according to the Fisrt fault valve enable configuration, right
Each defective valves on the K group collector should be set.
Optionally, the attribute information acquiring unit, is specifically used for:
Steel grade, thickness parameter and the width ginseng of the current rolled band steel are obtained from PDI (production input data) data
Number.
Optionally, the defective valves set determination unit, comprising:
Steel grade, which identifies, determines subelement, for the M group strip attribute according to present in defective valves configuration file and N kind steel grade
The corresponding relationship of mark determines steel grade, thickness parameter and width with the current rolled band steel from N kind steel grade mark
Spend parameter matched first steel grade mark simultaneously；
Pattern identification coupling subelement, for matching pattern-coding mark corresponding with the first steel grade mark,
In, the defective valves that identifying corresponding pattern-coding mark with first steel grade indicates set mode and set as the Fisrt fault valve
Mould-fixed.
Optionally, the defective valves setting unit, comprising:
Configuration and setting subelement is set each on the K group collector for setting mode according to the Fisrt fault valve
The defective valves of defective valves enable configuration；
Configuration transmission sub-unit is sent to execution equipment for the defective valves after setting to be enabled configuration, so that described hold
Row equipment enables configuration according to the defective valves after setting and is correspondingly arranged each defective valves on the K group collector.
Optionally, described device further include:
The presetting unit of collector configuration, for before the current rolled band steel enters layer cold area domain, according to described
One defective valves set the estimated presetting configuration of collector calculated for the K group collector of mode；
Collector configuration transmission unit, for the presetting configuration of the collector to be sent to the execution equipment, so that described
Equipment is executed to be pre-seted according to each collector of the presetting configuration to not enabled defective valves in the K group collector.
Optionally, described device further include:
Collector configuration dynamic setup unit, for since the current rolled band steel enters the layer cold area domain, root
The temperature that mode and the layer cold area domain according to prefixed time interval actual measurement are set according to the Fisrt fault valve, carries out dynamic meter
Calculate the next setting configuration for being directed to the K group collector；
The collector configuration transmission unit is sent out for calculated next setting configuration for the K group collector every time
The execution equipment is given, the setting for the execution equipment to each collector of not enabled defective valves in the K group collector
State is updated.
The one or more technical solutions provided in the embodiment of the present invention, have at least the following technical effects or advantages:
Since the embodiment of the present invention uses the corresponding relationship according to M group strip attribute and N kind defective valves setting mode, from
It is determined in N kind defective valves setting mode and the matched Fisrt fault valve setting mould of the strip attribute information of current rolled band steel
Formula enables configuration further according to the defective valves of Fisrt fault valve setting mode instruction, is correspondingly arranged on the K group collector in cold sperm region
Each defective valves, therefore realize the defective valves that cold sperm region is set automatically according to the strip attribute of each rolled band steel, thus i.e.
It converts each defective valves needs in the numerous situations of steel grade specification frequently between initiate mode and not enabled state, also can
The states of each defective valves is set in time to matching with the steel grade specification of preceding rolled band steel so that the setting of defective valves fully according to
The required cooling requirement of current rolled band steel executes, and then avoids defective valves and be equipped with the cold technological fluctuation of the layer delayed and will cause,
It is ensured that the temperature of the cold control of layer is more acurrate, control is more punctual, therefore control precision of coiling temperature can be improved, so that at
Quality is more stable.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is the flow chart of control method for laminar cooling provided in an embodiment of the present invention；
Fig. 2 is the refined flow chart of step S102 in Fig. 1；
Fig. 3 is the structure chart of laminar flow cooling control device provided in an embodiment of the present invention.
Specific embodiment
There is technical issues that the live cooling temperature of hot-strip production occurs in view of the prior art, the present invention is real
Apply that example provides a kind of control method for laminar cooling and device, general thought are as follows:
According to the corresponding relationship of M group strip attribute and N kind defective valves setting mode, from N kind defective valves setting mode really
It makes and sets mode with the matched Fisrt fault valve of the strip attribute information of current rolled band steel, set further according to Fisrt fault valve
The defective valves of mode instruction enable configuration, each defective valves being correspondingly arranged on the K group collector in cold sperm region.
Through the above scheme, the failure that cold sperm region is set automatically according to the strip attribute of each rolled band steel is realized
Valve, so that even if each defective valves need frequently between initiate mode and not enabled state in the numerous situations of steel grade specification
The state of each defective valves can be also arranged to matching with the steel grade specification of preceding rolled band steel, so that defective valves are set in transformation in time
Set fully according to current rolled band steel it is required it is cooling require to execute, and then avoid defective valves to be equipped with the layer delayed and will cause cold
It is ensured that the temperature of the cold control of layer is more acurrate, control is more punctual, therefore oiler temperature control essence can be improved in technological fluctuation
Degree, so that final product quality is more stable.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Control method for laminar cooling provided in an embodiment of the present invention is applied to hot rolling automatic control system, produces in hot-strip
Layer cold area domain on line is provided with cooling facility for laminar flow, and layer cold area domain includes thick cold-zone domain and cold sperm region, cooling facility for laminar flow
Including the P group collector for thick cold-zone domain arrangement and the K group collector arranged for cold sperm region, in P group collector and K group collector
Defective valves are separately installed on each collector, P, K are positive integer.
It should be noted that in embodiments of the present invention, defective valves setting select button being provided on the interface HMI, is used
One of manual setting defective valves and automatic setting defective valves set-up mode are selected in operator.
Under manual setting defective valves mode, the P group collector in the thick cold-zone domain of manual setting and the K group collection in cold sperm region are needed
Pipe comes into operation, and the defective valves highest priority being arranged on the interface HMI at this time, the defective valves being arranged through the interface HMI come into operation.
Under setting defective valves mode automatically, the P group collector in the thick cold-zone domain of manual setting is needed to come into operation, and for essence
The K group collector of cold-zone domain arrangement is arranged by executing following control method for laminar cooling provided in an embodiment of the present invention.Ginseng
It examines shown in Fig. 1, which includes the following steps:
S101, the strip attribute information for obtaining current rolled band steel；
S102, the corresponding relationship that mode is set according to M group strip attribute and N kind defective valves, set mode from N kind defective valves
In determine and the strip attribute information of current rolled band steel matched Fisrt fault valve setting mode, wherein N kind defective valves are set
The defective valves that mould-fixed respectively characterizes each defective valves on a kind of pair of K group collector enable configuration, and M, N are positive integer；
S103, the defective valves that mode instruction is set according to Fisrt fault valve enable configuration, are correspondingly arranged each on K group collector
A defective valves.
In the following, being carried out with reference to Fig. 1 and Fig. 2 to each step of control method for laminar cooling provided in an embodiment of the present invention
Detailed description:
Firstly, the strip attribute information for executing S101, obtaining current rolled band steel.
It should be noted that the strip attribute information of current rolled band steel includes: the steel grade of current rolled band steel, thickness ginseng
Several and width parameter.
In embodiments of the present invention, the steel grade, thickness parameter and width of current rolled band steel can be obtained from PDI data
Parameter.
In embodiments of the present invention, PDI meaning is production input data.
Specifically, the steel grade of current rolled band steel is denoted as SteelGrade, the thickness parameter of current rolled band steel includes:
The current minimum thickness (being denoted as Thicknessmin) of rolled band steel and the maximum gauge of current rolled band steel (are denoted as
Thicknessmax), the width parameter of current rolled band steel includes: that the minimum widith of current rolled band steel (is denoted as
) and the maximum width of current rolled band steel (being denoted as Widthmax) Widthmin.
It should be noted that including basic automation systems, Process Control System and life for hot rolling automatic control system
The embodiment for producing management system, minimum thickness, the maximum for obtaining current rolled band steel from PDI data by production management system are thick
Degree, minimum widith and maximum width, and it is handed down to Process Control System.
After S101, then executes S102, sets the corresponding relationship of mode according to M group strip attribute and N kind defective valves,
It is determined from N kind defective valves setting mode and the matched Fisrt fault valve setting mould of the strip attribute information of current rolled band steel
Formula, wherein the defective valves that N kind defective valves setting mode respectively characterizes each defective valves on a kind of pair of K group collector enable configuration.
It include M in defective valves configuration file specifically, being stored with defective valves configuration file in hot rolling automatic control system
The many-one corresponding relationship of group strip attribute and N kind steel grade mark further includes that N kind steel grade mark and N kind defective valves set mode
One-to-one relationship.
It should be noted that defective valves, which enable configuration, specifies the event for needing to enable in each defective valves on K group collector
Barrier valve and the defective valves for needing to close.
It should be noted that in embodiments of the present invention, basis on each collector in the P group collector and K group collector
Defective valves are arranged in live collector state and process requirements.It is a kind of scene collector state and process requirements correspond to N kind defective valves set
One of mode defective valves set mode.
Refering to what is shown in Fig. 2, in one embodiment, S102 includes:
S1021 is first carried out: pair identified according to M group strip attribute present in defective valves configuration file and N kind steel grade
It should be related to, be determined from N kind steel grade mark matched simultaneously with the steel grade, thickness parameter and width parameter of current rolled band steel
First steel grade mark.
Specifically, by taking the pipe line steel of following various models as an example, the corresponding relationship of M group strip attribute and N kind steel grade
Part reference is as shown in table 1 below, as shown in table 1 below, the corresponding steel grade mark of the pipe line steel of various models is 4 below:
The part of 1. strip attribute of table and steel grade mark corresponding relationship
| Steel grade | Minimum thickness | Maximum gauge | Minimum widith | Maximum width | Steel grade mark |
| BMS | * | * | 0 | 1800 | 4 |
| BNS | * | * | 0 | 1800 | 4 |
| API5L-B | * | * | 0 | 1800 | 4 |
| S290 | * | * | 0 | 1800 | 4 |
| X42-2 | * | * | 0 | 1800 | 4 |
| X42MS-A | * | * | 0 | 1800 | 4 |
| X46 | * | * | 0 | 1800 | 4 |
| X46MS | * | * | 0 | 1800 | 4 |
| X52 | * | * | 0 | 1800 | 4 |
| S360 | * | * | 0 | 1800 | 4 |
| X52-3 | * | * | 0 | 1800 | 4 |
| X52NS | * | * | 0 | 1800 | 4 |
| X52MS | * | * | 0 | 1800 | 4 |
| X52MS-A | * | * | 0 | 1800 | 4 |
| X52MS-A2 | * | * | 0 | 1800 | 4 |
| S390 | * | * | 0 | 1800 | 4 |
| X60 | * | * | 0 | 1800 | 4 |
| X60-2 | * | * | 0 | 1800 | 4 |
It should be noted that " * " indicates arbitrary value in table 1, those skilled in the art can obtain according to actual experiment
Required defective valves to enable configuration determining or determine other group of strip attribute corresponding steel grade mark according to actual needs, herein not
It is illustrated one by one.
Specifically, for a kind of new strip steel specification (steel grade, thickness parameter, width parameter), according to actually required
Cooling temperature is tested defective valves required for obtaining and enables configuration, and is associated with corresponding steel grade mark, and association corresponds to
Defective valves setting mode pattern-coding mark after be stored in defective valves configuration file in, thus constantly update defective valves configuration text
Part can carry out automatic setting defective valves to more strip steel specification.
Specifically, being determined and the minimum thickness of current rolled band steel, most from N kind steel grade mark by Process Control System
Matched steel grade is identified as the first steel grade mark, the first steel grade that will be determined simultaneously for big thickness, minimum widith and maximum width
Mark is handed down to basic automation systems.
Steel grade mark can be expressed as Gradecode, and defective valves setting mode can be expressed as Mask_OR, every kind of failure
The defective valves that valve setting mode corresponds to each defective valves on a kind of pair of K group collector enable configuration.
In the embodiment of the present invention, 10 kinds of steel grade marks can be set, 10 kinds of steel grade marks set mould with 10 kinds of defective valves
Formula corresponds, and 10 kinds of defective valves setting modes enable configuration with 10 kinds of defective valves and correspond, specifically, being directed to thick cold-zone
Domain is disposed with the 1st~18 group of collector, and cold sperm region is disposed with for the 19th~20 group of collector, then is directed to the 19th~20 group of collector,
The corresponding relationship of steel grade mark and defective valves setting mode, defective valves, which set the corresponding relationship that mode enables configuration with defective valves, joins
It examines shown in the following table 2:
2. steel grade of table mark, defective valves setting mode and defective valves enable the mapping table of configuration
As shown in table 2, the 19th group of collector includes the 1st, 2,3,4,5,6,7,8 collector, eight collectors of the 19th group of collector
A defective valves are each provided with, the 20th group of collector includes the 1st, 2,3,4,5,6,7,8 collector, eight collection of the 20th group of collector
Pipe is each provided with a defective valves.
Shown in reference table 2, successively to the defective valves setting mode and defective valves enabling under every kind of steel grade mark in table 2
Configuration is described in detail:
The pattern-coding that steel grade is identified as 0 corresponding defective valves setting mode is identified as " 00_00 ", and code identification is " 00_
Defective valves corresponding to 00 " defective valves setting mode enable configuration are as follows: and the defective valves of the 19th~20 group of collector are turned off, so that
19th~20 group of collector can come into operation.
Steel grade be identified as 1 corresponding to defective valves setting mode pattern-coding be identified as " 00_03 ", code identification is "
Defective valves corresponding to the defective valves setting mode of 00_03 " enable configuration are as follows: only most latter two defective valves of the 20th group of collector open
With so that the 7th, 8 collector of the 20th group of collector does not come into operation for current rolled band steel.
Steel grade be identified as 2 corresponding to defective valves setting mode pattern-coding be identified as " 00_0F ", code identification is
The defective valves of " 00_0F " set the enabling configuration of defective valves corresponding to mode and open as last four defective valves of only the 20th group of collector
With so that the 5th of the 20th group of collector the, 6,7,8 collector does not come into operation for current rolled band steel.
Steel grade be identified as 3 corresponding to defective valves setting mode pattern-coding be identified as " 00_3F ", code identification is
The defective valves of " 00_3F " set the enabling configuration of defective valves corresponding to mode and open as last six defective valves of only the 20th group of collector
With so that the 3rd of the 20th group of collector the, 4,5,6,7,8 collector does not come into operation for current rolled band steel.
Steel grade be identified as 4 corresponding to defective valves setting mode pattern-coding be identified as " 00_FF ", code identification is
The defective valves of " 00_FF " set the enabling configuration of defective valves corresponding to mode and enable as whole defective valves of only the 20th group of collector,
So that the 20th group of collector is directed to current rolled band steel and does not come into operation.
Steel grade be identified as 5 corresponding to defective valves setting mode pattern-coding be identified as " 03_FF ", code identification is
The defective valves of " 03_FF " set defective valves corresponding to mode and enable configuration as two defective valves of inverse of the 19th group of collector and the
Whole defective valves of 20 groups of collectors enable, allow the 19th group of collector the 1st, 2 collectors are put into for current rolled band steel makes
With.
Steel grade be identified as 6 corresponding to defective valves setting mode pattern-coding be identified as " 0F_FF ", code identification is
The defective valves of " 0F_FF " set defective valves corresponding to mode and enable configuration as two defective valves of inverse of the 19th group of collector and the
Whole defective valves of 20 groups of collectors enable, so that the 1st of the 19th group of collector the, 2,3,4,5,6 collector is directed to current rolled band steel
It can come into operation.
Steel grade be identified as 7 corresponding to defective valves setting mode be denoted as " 3F_FF ", code identification be " 3F_FF " event
Barrier valve sets defective valves corresponding to mode and enables configuration as four defective valves of inverse of the 19th group of collector and the 20th group of collector
Whole defective valves enable, and the 1st, 2,3,4 collector of the 19th group of collector is come into operation for current rolled band steel.
Steel grade be identified as 8 corresponding to defective valves setting mode pattern-coding be identified as " FF_FF ", code identification is
The defective valves of " FF_FF " set defective valves corresponding to mode and enable configuration as six defective valves of inverse of the 19th group of collector and the
Whole defective valves of 20 groups of collectors enable, and the 1st, 2 collector of the 19th group of collector is put into for current rolled band steel
It uses.
Steel grade be identified as 14 corresponding to defective valves setting mode pattern-coding be identified as " FF_00 ", code identification is
The defective valves of " FF_00 " set defective valves corresponding to mode and enable configuration as whole defective valves of the 19th group of collector enabling, make
The 19th group of collector does not come into operation for current rolled band steel, and make the 20th group of collector can be with for current rolled band steel
It comes into operation.
After S1021, S1022 is then executed: matching corresponding with the first steel grade mark pattern-coding mark, with the
The defective valves that one steel grade identifies corresponding pattern-coding mark and indicates set mode as Fisrt fault valve setting mode.
For example, being determined in S1021 and the steel grade, thickness parameter and width parameter of current rolled band steel matched simultaneously
One steel grade is identified as 6, then the pattern-coding for matching Fisrt fault valve setting mode corresponding with the first steel grade mark 6 is identified as
" 0F_FF ", then defective valves enable whole defective valves of inverse four defective valves and the 20th group of collector that configuration is the 19th group of collector
It enables, so that the 1st of the 19th group of collector the, 2,3,4 collector can come into operation for current rolled band steel.
For another example, it is determined in S1021 matched simultaneously with the steel grade, thickness parameter and width parameter of current rolled band steel
First steel grade is identified as 4, and the pattern-coding for matching Fisrt fault valve setting mode corresponding with the first steel grade mark 4 is identified as
" 00_FF ", corresponding defective valves enable whole defective valves that configuration is only the 20th group of collector and enable, so that the 20th group of collector is directed to
Current rolled band steel does not come into operation, and the 19th group of collector can come into operation for current rolled band steel.
It should be noted that including basic automation systems, Process Control System and life for hot rolling automatic control system
When producing management system, the following embodiment for determining Fisrt fault valve setting mode is provided:
The minimum thickness, maximum gauge, minimum width of current rolled band steel are obtained from PDI data by production management system
Degree and maximum width are handed down to Process Control System, and Process Control System receives the minimum thickness of current rolled band steel, maximum
When thickness, minimum widith and maximum width, Process Control System M group strip attribute according to present in defective valves configuration file with
N kind steel grade mark corresponding relationship, from N kind steel grade mark in determine with the minimum thickness of current rolled band steel, maximum gauge,
Matched first steel grade identifies simultaneously for minimum widith and maximum width, and the first steel grade mark is filled into phase by Process Control System
Message structure is answered, basic automation systems are handed down to.Mould corresponding with the first steel grade mark is matched by basic automation systems
Formula code identification, the defective valves setting mode that identifying corresponding pattern-coding mark with the first steel grade indicates are determined as Fisrt fault
Valve sets mode.
It should be noted that being directed to when being disposed with more multiple groups collector of cold sperm region, those skilled in the art can basis
Other steel grade marks are arranged in actual demand and corresponding defective valves set mode, in order to illustrate the succinct of book, herein not
It is illustrated one by one again.
After S102, S103 is then executed: enabling configuration according to the defective valves that Fisrt fault valve sets mode instruction, it is right
Each defective valves on K group collector should be set.
Specifically, S103 includes: the failure for setting each defective valves on mode setting K group collector according to Fisrt fault valve
Valve enables configuration；Defective valves after setting are enabled into configuration and are sent to execution equipment, so that executing equipment according to the event after setting
Barrier valve enables configuration and is correspondingly arranged each defective valves on K group collector.
It include the reality of basic automation systems, Process Control System and production management system for hot rolling automatic control system
Example is applied, configuration is enabled according to the defective valves that Fisrt fault valve sets mode instruction, by basic automation systems according to Fisrt fault
The defective valves that valve sets each defective valves on mode setting K group collector enable configuration；Basic automation systems will be after setting
Defective valves enable configuration and are sent to execution equipment, enable configuration according to the defective valves after setting by execution equipment and are correspondingly arranged K group
Each defective valves on collector.
It should be noted that each defective valves being arranged on K group collector, specifically: mould is set according to Fisrt fault valve
The defective valves of formula instruction, which enable to carry out enabling specified by configuration, to be needed the defective valves enabled and keeps the event for not needing to enable
Hinder valve to close.
It further, in the present invention is implemented, further include as follows after each defective valves being correspondingly arranged on K group collector
Step: before current rolled band steel enters layer cold area domain, estimated calculate of mode is set according to Fisrt fault valve and is directed to K group collector
The presetting configuration of collector；The presetting configuration of collector is sent to execution equipment, so that executing equipment according to presetting configuration to K
Each collector of not enabled defective valves is pre-seted in group collector.
Specifically, include the 19th~20 group of collector for cold sperm region, before current rolled band steel does not enter layer cold area domain,
By mosPcCS (the cold precomputation model of layer, cooling section precalculation process) according to Fisrt fault
The defective valves that valve sets mode instruction enable configuration, it is contemplated that calculate in the 19th~20 group of collector not enabled defective valves it is each
The presetting configuration of the collector of collector.MosPcCS by it is estimated calculate in the 19th~20 group of collector not enabled defective valves it is each
The presetting configuration of the collector of a collector is sent to execution equipment, by execution equipment according to the presetting configuration of collector to the 19th~20 group
Each collector of not enabled defective valves is pre-seted in collector.
It should be noted that being directed to the presetting configuration of collector of K group collector are as follows: indicate not enabled defective valves in K group collector
Each collector in need open collector.
Further, execute equipment according to presetting configuration to each collectors of not enabled defective valves in K group collector into
Row further includes following steps after pre-seting: since current rolled band steel enters layer cold area domain, being set according to Fisrt fault valve
The temperature of mould-fixed and the layer cold area domain according to prefixed time interval actual measurement carries out dynamic and calculates next the setting for being directed to K group collector
Determine configuration；Each calculated next setting configuration for K group collector is sent to execution equipment, for executing equipment to K group
The setting state of each collector of not enabled defective valves is updated in collector.
It should be noted that the setting state to collector is updated meaning are as follows: by the part collector in K group collector from pass
Closed state change is in an open state, and/or the part collector of K group collector is in off state from opening state change, and/or will
The state of part collector in K group collector is kept.
Specifically, include the 19th~20 group of collector for cold sperm region, enter layer cold area domain from current rolled band steel
Moment, by mosCcCS (cooling section calculation process, the cold real-time computation model of layer) basis
The defective valves that Fisrt fault valve sets mode instruction enable the temperature of configuration and the layer cold area domain according to prefixed time interval actual measurement,
Dynamic is carried out as the period using prefixed time interval to calculate for each collector of not enabled defective valves in the 19th~20 group of collector
Next setting configuration.Each calculated next setting configuration for being directed to the 19th~20 group of collector is sent to execution by mosCcCS
Equipment, the setting by execution equipment according to next setting configuration to each collector of not enabled defective valves in the 19th~20 group of collector
State is updated.
For example, by taking the 19th~20 group of collector as an example, if the current setting state of the 19th~20 group of collector is the 19th group of collection
The the 1st, 2,3,4,5 collector in pipe is opened, if for K group collector it is next set configuration as the 20th group of collector the 1st, 2,3
A collector then updates the setting state of K group collector are as follows: closes the 1st, 2,3,4,5 collector in the 19th group of collector, opens the
1st, 2,3 collector of 20 groups of collectors.If for K group collector next configuration that sets as the 1st, 2,3,4 of the 19th group of collector
Collector then closes the 5th collector of the 19th group of collector.
In the following, providing an interaction embodiment of control method for laminar cooling provided by the embodiment of the present invention:
Layer device for cooling is arranged in the region between finish rolling end rack and underground crimping machine, and targeted layer device for cooling includes needle
To the 1st~18 group of collector in thick cold-zone domain, for the 19th~20 group of collector in cold sperm region:
Firstly, then operator selects that defective valves are arranged automatically in the interface HMI, then automatic setting defective valves function is cut into
Can, when basic automation systems receive the selection signal of the automatic setting defective valves of characterization selection of operator, selection is believed
It number is sent to Process Control System, Process Control System is written in shared drive after receiving the selection signal, for passing through
Use when the cold precomputation model of Process Control System calling layer and the cold real-time computation model of layer are to be calculated.
Then, production management system obtains the steel grade, thickness parameter, width parameter of current rolled band steel from PDI data
It is handed down to Process Control System, then by Process Control System read failure valve configuration file, and according in defective valves configuration file
Existing M group strip attribute and N kind steel grade mark corresponding relationship, determine with the steel grade of current rolled band steel, thickness parameter,
The first steel grade mark is handed down to basic automatization system again to width parameter by matched first steel grade mark, Process Control System simultaneously
System.
Followed by when basic automation systems receive the first steel grade mark that Process Control System issues, certainly by basis
Dynamicization system searching sets mode to Fisrt fault valve corresponding with the first steel grade mark.Fisrt fault valve setting mode is signified
The defective valves shown enable configuration and are sent to execution equipment, enable configuration according to indicated defective valves by execution equipment and are configured
Each defective valves on 19th~20 group of collector.
Simultaneously, the pattern-coding mark of Fisrt fault valve setting mode is returned to process control by basic automation systems
System, by the cold precomputation model of Process Control System calling layer, before current rolled band steel enters layer cold area domain, according to first
Defective valves indicated by defective valves setting mode enable estimated presetting group of collector calculated for the 19th~20 group of collector of configuration
The presetting configuration of calculated collector is handed down to basic automation systems, is sent to execution by basic automation systems and sets by state
It is standby, pre-set by execution equipment each collector of not enabled defective valves in the 19th~20 group of collector.
Basic automation systems by Fisrt fault valve setting mode pattern-coding mark return to Process Control System it
Afterwards, it since current rolled band steel enters layer cold area domain, by the cold real-time computation model of Process Control System calling layer, carries out:
The temperature that mode and the layer cold area domain according to prefixed time interval actual measurement are set according to Fisrt fault valve carries out dynamic calculating and is directed to
Next setting configuration of 19th~20 group of collector；Each calculated next setting configuration is handed down to base again by Process Control System
Plinth automated system, basic automation systems are then forwarded to execution equipment, by execution equipment to not opening in the 19th~20 group of collector
Dynamic update is carried out with the setting state of each collector of defective valves.
Based on the same inventive concept, the embodiment of the present invention provides a kind of laminar flow cooling control device, in hot-strip producing line
On layer cold area domain be provided with cooling facility for laminar flow, layer cold area domain includes thick cold-zone domain and cold sperm region, cooling facility for laminar flow packet
The P group collector for thick cold-zone domain arrangement and the K group collector for cold sperm region arrangement are included, it is each in P group collector and K group collector
Defective valves are separately installed on a collector, P, K are positive integer, refering to what is shown in Fig. 3, the device includes:
Attribute information acquiring unit 201, for obtaining the strip attribute information of current rolled band steel；
Defective valves set determination unit 202, for the corresponding pass according to M group strip attribute and N kind defective valves setting mode
System, determines to set with the matched Fisrt fault valve of the strip attribute information of current rolled band steel from N kind defective valves setting mode
Mould-fixed, wherein the defective valves that N kind defective valves setting mode respectively characterizes each defective valves on a kind of pair of K group collector enable
Configuration, M, N are positive integer；
Defective valves setting unit 203, the defective valves for setting mode instruction according to Fisrt fault valve enable configuration, corresponding
Each defective valves on K group collector are set.
Further, in the embodiment of the present invention, attribute information acquiring unit 201 is specifically used for:
The steel grade, thickness parameter and width parameter of current rolled band steel are obtained from PDI data.
Further, in the embodiment of the present invention, defective valves set determination unit 202, comprising:
Steel grade, which identifies, determines subelement, for the M group strip attribute according to present in defective valves configuration file and N kind steel grade
The corresponding relationship of mark is determined same with the steel grade, thickness parameter and width parameter of current rolled band steel from N kind steel grade mark
When matched first steel grade mark；
Pattern identification coupling subelement, for matching pattern-coding mark corresponding with the first steel grade mark, wherein with
The defective valves that first steel grade identifies corresponding pattern-coding mark and indicates set mode as Fisrt fault valve setting mode.
Further, in the embodiment of the present invention, defective valves setting unit 203, comprising:
Configuration and setting subelement sets each defective valves on K group collector for setting mode according to Fisrt fault valve
Defective valves enable configuration；
Configuration transmission sub-unit is sent to execution equipment for the defective valves after setting to be enabled configuration, sets so that executing
The standby defective valves according to after setting enable configuration and are correspondingly arranged each defective valves on K group collector.
Further, in the embodiment of the present invention, device provided in an embodiment of the present invention further include:
The presetting unit of collector configuration, for before current rolled band steel enters layer cold area domain, according to Fisrt fault valve
Setting mode is estimated to calculate the presetting configuration of collector for being directed to K group collector；
Collector configuration transmission unit, for the presetting configuration of collector to be sent to execution equipment so that execute equipment according to
Presetting configuration pre-sets each collector of not enabled defective valves in K group collector.
Further, in the embodiment of the present invention, device provided in an embodiment of the present invention further include:
Collector configuration dynamic setup unit, for since current rolled band steel enters layer cold area domain, according to first therefore
The temperature for hindering valve setting mode and the layer cold area domain according to prefixed time interval actual measurement carries out dynamic and calculates for K group collector
Next setting configuration；
Collector configuration transmission unit is sent to execution for each calculated next setting configuration for K group collector
Equipment is updated the setting state of each collector of not enabled defective valves in K group collector for executing equipment.
Since the device that the present embodiment is introduced is to implement in the embodiment of the present invention used by control method for laminar cooling
Device, so based on control method for laminar cooling described in the embodiment of the present invention, those skilled in the art can understand
The specific embodiment of the device of the present embodiment and its various change form, so how to realize this hair for the device herein
Method in bright embodiment is no longer discussed in detail.As long as those skilled in the art implement section cooling in the embodiment of the present invention
Device used by control method belongs to the range of the invention to be protected.
Technical solution in the embodiments of the present invention, at least have the following technical effects or advantages:
Since the embodiment of the present invention uses the corresponding relationship according to M group strip attribute and N kind defective valves setting mode, from
It is determined in N kind defective valves setting mode and the matched Fisrt fault valve setting mould of the strip attribute information of current rolled band steel
Formula enables configuration further according to the defective valves of Fisrt fault valve setting mode instruction, is correspondingly arranged on the K group collector in cold sperm region
Each defective valves, therefore realize the defective valves that cold sperm region is set automatically according to the strip attribute of each rolled band steel, thus i.e.
It converts each defective valves needs in the numerous situations of steel grade specification frequently between initiate mode and not enabled state, also can
The states of each defective valves is set in time to matching with the steel grade specification of preceding rolled band steel so that the setting of defective valves fully according to
The required cooling requirement of current rolled band steel executes, and then avoids defective valves and be equipped with the cold technological fluctuation of the layer delayed and will cause,
It is ensured that the temperature of the cold control of layer is more acurrate, control is more punctual, therefore control precision of coiling temperature can be improved, so that at
Quality is more stable.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of control method for laminar cooling is applied to hot rolling automatic control system, the layer cold area domain in hot-strip producing line
It is provided with cooling facility for laminar flow, the layer cold area domain includes thick cold-zone domain and cold sperm region, and the cooling facility for laminar flow includes needle
The P group collector arranged to the thick cold-zone domain and the K group collector for cold sperm region arrangement, the P group collector and the K
Defective valves are separately installed on each collector in group collector, P, K are positive integer, which is characterized in that the described method includes:
The strip attribute information of current rolled band steel is obtained by production management system and is handed down to Process Control System, the strip
Attribute information includes: the steel grade, thickness parameter and width parameter of current rolled band steel；
Process Control System sets the corresponding relationship of mode according to M group strip attribute and N kind defective valves, by basic automation systems
The matched Fisrt fault of strip attribute information with the current rolled band steel is determined from the N kind defective valves setting mode
Valve sets mode, wherein the N kind defective valves setting mode respectively characterizes a kind of each defective valves on the K group collector
Defective valves enable configuration, M, N be positive integer；
Configuration, basic automatization are enabled according to the defective valves that the Fisrt fault valve sets mode instruction by basic automation systems
Defective valves after setting are enabled configuration and are sent to execution equipment by system, by execution equipment according to the defective valves enabling group after setting
State is correspondingly arranged each defective valves on the K group collector.
2. control method for laminar cooling as described in claim 1, which is characterized in that the strip for obtaining current rolled band steel
Attribute information includes:
Steel grade, thickness parameter and the width parameter of the current rolled band steel are obtained from PDI data.
3. control method for laminar cooling as claimed in claim 2, which is characterized in that described according to M group strip attribute and the event of N kind
The corresponding relationship for hindering valve setting mode, determines the band with the current rolled band steel from the N kind defective valves setting mode
The matched Fisrt fault valve of steel attribute information sets mode, comprising:
According to the corresponding relationship that M group strip attribute present in defective valves configuration file and N kind steel grade identify, from the N kind steel
It is determined and steel grade, thickness parameter and the width parameter of the current rolled band steel matched first steel grade mark simultaneously in kind of mark
Know；
Match pattern-coding mark corresponding with the first steel grade mark, wherein corresponding with the first steel grade mark
The defective valves that pattern-coding mark indicates set mode and set mode as the Fisrt fault valve.
4. control method for laminar cooling as claimed in claim 2, which is characterized in that described to be set according to the Fisrt fault valve
The defective valves of mode instruction enable configuration, each defective valves being correspondingly arranged on the K group collector, comprising:
Mode is set according to the Fisrt fault valve, the defective valves for setting each defective valves on the K group collector enable configuration；
Defective valves after setting are enabled into configuration and are sent to execution equipment, so that the execution equipment is according to the defective valves after setting
It enables configuration and is correspondingly arranged each defective valves on the K group collector.
5. control method for laminar cooling as claimed in claim 4, which is characterized in that be correspondingly arranged the K group collector described
On each defective valves after, the method also includes:
Before the current rolled band steel enters layer cold area domain, estimated calculate of mode is set according to the Fisrt fault valve and is directed to
The presetting configuration of collector of the K group collector；
The presetting configuration of the collector is sent to the execution equipment, so that the execution equipment is according to the presetting configuration
Each collector of not enabled defective valves in the K group collector is pre-seted.
6. control method for laminar cooling as claimed in claim 5, which is characterized in that in the execution equipment according to described default
Determine after configuration pre-sets each collector of not enabled defective valves in the K group collector, the method also includes:
Since the current rolled band steel enters the layer cold area domain, according to the Fisrt fault valve set mode and according to
The temperature in the layer cold area domain of prefixed time interval actual measurement carries out dynamic and calculates the next setting group for being directed to the K group collector
State；
Each calculated next setting configuration for the K group collector is sent to the execution equipment, is used for the execution
Equipment is updated the setting state of each collector of not enabled defective valves in the K group collector.
7. a kind of laminar flow cooling control device is applied to hot rolling automatic control system, the layer cold area domain in hot-strip producing line
It is provided with cooling facility for laminar flow, the layer cold area domain includes thick cold-zone domain and cold sperm region, and the cooling facility for laminar flow includes needle
The P group collector arranged to the thick cold-zone domain and the K group collector for cold sperm region arrangement, the P group collector and the K
Defective valves are separately installed on each collector in group collector, P, K are positive integer, which is characterized in that described device includes:
Attribute information acquiring unit, for obtaining the strip attribute information of current rolled band steel by production management system and being handed down to
Process Control System, the strip attribute information include: the steel grade, thickness parameter and width parameter of current rolled band steel；
Defective valves set determination unit, for Process Control System according to pair of M group strip attribute and N kind defective valves setting mode
It should be related to, determine the band with the current rolled band steel from the N kind defective valves setting mode by basic automation systems
The matched Fisrt fault valve of steel attribute information sets mode, wherein the N kind defective valves setting mode respectively characterizes one kind to institute
The defective valves for stating each defective valves on K group collector enable configuration, and M, N are positive integer；
Defective valves setting unit, for setting the defective valves of mode instruction according to the Fisrt fault valve by basic automation systems
Enable configuration, basic automation systems by after setting defective valves enable configuration be sent to execution equipment, by execution equipment according to
Defective valves after setting enable configuration and are correspondingly arranged each defective valves on the K group collector.
8. laminar flow cooling control device as claimed in claim 7, which is characterized in that the attribute information acquiring unit, specifically
For:
Steel grade, thickness parameter and the width parameter of the current rolled band steel are obtained from PDI data.
9. laminar flow cooling control device as claimed in claim 8, which is characterized in that the defective valves set determination unit, packet
It includes:
Steel grade, which identifies, determines subelement, identifies for the M group strip attribute according to present in defective valves configuration file and N kind steel grade
Corresponding relationship, from the N kind steel grade mark in determine and the steel grade, thickness parameter and width of the current rolled band steel join
Several while matched first steel grade mark；
Pattern identification coupling subelement, for matching pattern-coding mark corresponding with the first steel grade mark, wherein with
The defective valves that first steel grade identifies corresponding pattern-coding mark and indicates set mode as Fisrt fault valve setting mould
Formula.
10. laminar flow cooling control device as claimed in claim 8, which is characterized in that the defective valves setting unit, comprising:
Configuration and setting subelement sets each failure on the K group collector for setting mode according to the Fisrt fault valve
The defective valves of valve enable configuration；
Configuration transmission sub-unit is sent to execution equipment for the defective valves after setting to be enabled configuration, so that the execution is set
The standby defective valves according to after setting enable configuration and are correspondingly arranged each defective valves on the K group collector.
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| CN109772900B (en) * | 2017-11-14 | 2020-09-25 | 宝山钢铁股份有限公司 | Method for improving coiling temperature control of new specification of hot-rolled new steel |
| CN113680833A (en) * | 2021-08-06 | 2021-11-23 | 唐山钢铁集团有限责任公司 | Layer cooling control method for realizing two-stage cooling by utilizing conventional cooling |
| CN114535316B (en) * | 2022-02-08 | 2023-10-03 | 邯郸钢铁集团有限责任公司 | Coiling temperature control method for hot-rolled high-strength dual-phase steel |
| CN115351097A (en) * | 2022-08-06 | 2022-11-18 | 新疆八一钢铁股份有限公司 | Method for improving coiling temperature precision under abnormal state of layer cooling model |
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