CN109590336A - A kind of control system and method for steel billet spacing - Google Patents
A kind of control system and method for steel billet spacing Download PDFInfo
- Publication number
- CN109590336A CN109590336A CN201811398105.1A CN201811398105A CN109590336A CN 109590336 A CN109590336 A CN 109590336A CN 201811398105 A CN201811398105 A CN 201811398105A CN 109590336 A CN109590336 A CN 109590336A
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- thermal detector
- steel billet
- controller
- spacing
- delivery table
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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
- B21B37/005—Control of time interval or spacing between workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B33/00—Safety devices not otherwise provided for; Breaker blocks; Devices for freeing jammed rolls for handling cobbles; Overload safety devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention discloses the control systems and method of a kind of steel billet spacing, the first thermal detector and the second thermal detector connected including controller and respectively with controller；First thermal detector and the second thermal detector are arranged by furnace delivery table along furnace delivery table；It wherein comes out of the stove on direction in steel billet, the second thermal detector is in front of the first thermal detector；There are certain spacing for first thermal detector and the second thermal detector；Wherein the first thermal detector to furnace delivery table milling train side one end distance less than a steel billet specific length.The present invention is capable of detecting when that the situation that head does not push up tail and spacing is too small occur in adjacent two steel billets of furnace delivery table, and the spacing when above situation occur between adjust automatically steel billet, prevents steel billet to carry out cutting useless accident generation.
Description
Technical field
The invention belongs to continuous rolling production line automatic control technology field, in particular to the control system of a kind of steel billet spacing and
Method.
Background technique
Two stick process of steel rolling mill is made of a regenerative walking-beam furnace and a bar rolling line.Normal production
Process is: steel billet enters furnace, and when being heated to required temperature in heating furnace, steel billet enters rolling zone progress by furnace delivery table
Rolling, goes out finished product in finish rolling area.During normal production because of the variation of Reheating Furnace Zone walking beam action cycle (1~3 second), furnace delivery table
The factors such as roll surface wearing is different, steel billet bending is skidded, rolling zone cascade speed regulation influence, and tapping interval is caused not can guarantee
It is complete consistent, restrict hour specification yield.Therefore two stick processes require always operator to shorten as far as possible the steel time is wanted to mention
High rhythm of production, but the company's of often resulting in steel accident is influenced by above-mentioned factor.It must be opened in due course after corresponding post finds even steel alarm
Dynamic flying shear is cataclasm to pull open red steel spacing and avoid accident, therefore often generates and cut useless situation.If wanting the steel time to keep away by extending
Exempt from accident with regard to direct losses hourly output, is difficult to accept or reject between the two.Two the well-controlled of stick process post can not be done always
To perfectly safe, cataclasm consequence not in time will result in finish rolling piling of steel or flying shear not crop end.
Summary of the invention
The first object of the present invention is the shortcomings that overcoming the prior art and deficiency, provides a kind of control system of steel billet spacing
System, the system can spacing between adjust automatically steel billet, prevent steel billet to carry out cutting useless accident and occur.
The second object of the present invention is to provide a kind of control of steel billet spacing that the control system based on the first mesh is realized
Method.
The first object of the present invention is achieved through the following technical solutions: a kind of control system of steel billet spacing, including control
Device and the first thermal detector and the second thermal detector connected respectively with controller；First thermal detector and the second heat inspection
Device is surveyed to be arranged by furnace delivery table along furnace delivery table；It wherein comes out of the stove on direction in steel billet, the second thermal detector is in the first heat inspection
It surveys in front of device；There are certain spacing for first thermal detector and the second thermal detector；Wherein the first thermal detector is to coming out of the stove
Specific length of the distance of roller-way milling train side one end less than a steel billet.
Preferably, the spacing between first thermal detector and the second thermal detector is 1.2 meters.
Preferably, the controller connects furnace delivery table operation control system.
Preferably, the controller is the controller in furnace delivery table operation control system.
Preferably, the controller is PLC.
The second object of the present invention is achieved through the following technical solutions: one kind is based between steel billet described in an object of the present disclosure
Away from control system realize steel billet spacing control method, steps are as follows:
Step S1: it is that adjacent two steel billets are first that the distance between the first thermal detector and the second thermal detector are arranged first
The distance that root steel billet tail portion and latter steel billet head need to meet；The first thermal detector and second by furnace delivery table is set
Thermal detector carries out heat inspection work respectively；When steel billet passes through the first thermal detector, the first thermal detector sends heat inspection signal extremely
Controller, when steel billet passes through the second thermal detector, the second thermal detector sends heat inspection signal to controller；
Controller does not push up tail but spacing too by the way that whether adjacent two steel billets on heat inspection signal determining furnace delivery table head occur
Small situation；Specifically:
When controller detects the heat inspection signal that the first thermal detector is sent, counter values add a1；
When controller detects the heat inspection signal that the second thermal detector is sent, counter values add a2；
When controller detects the heat inspection blackout that the first thermal detector is sent, counter values add a3；
When controller detects the heat inspection blackout that the second thermal detector is sent, counter values are reset；
Wherein, when counter values have the case where reaching 2a1+a2+a3, controller determines adjacent two on furnace delivery table
There is the situation that head does not push up tail but spacing is too small in root steel billet；Wherein a1, a2 and a3 are definite value；
Step S2, when controller determines that the case where head does not push up tail occur in adjacent two steel billets on furnace delivery table, control
Furnace delivery table is out of service；Later, when controller detects the heat inspection blackout that the second thermal detector is sent, restarting
Furnace delivery table.
Preferably, the value of the a1 is 1.
Preferably, the value of the a2 is 1.
Preferably, the value of the a3 is 1.
The present invention has the following advantages and effects with respect to the prior art:
(1) control system of steel billet spacing of the present invention includes controller and the first heat detection connected respectively with controller
Device and the second thermal detector；First thermal detector and the second thermal detector are arranged by furnace delivery table along furnace delivery table；Wherein
It comes out of the stove on direction in steel billet, the second thermal detector is in front of the first thermal detector；First thermal detector and the second thermal detector are deposited
In certain spacing；Wherein the distance of the first thermal detector to furnace delivery table milling train side one end is long less than the regulation of a steel billet
Degree.In the present invention, controller be can determine out by the heat detection signal of the first thermal detector of detection and the second thermal detector
Adjacent two steel billets are with the presence or absence of head does not push up tail but spacing is too small situation in furnace delivery table, thus according to the case where appearance to going out
The operation in furnace roller road is controlled, and to realize the spacing between adjustment steel billet, prevents steel billet to carry out cutting useless accident generation.
(2) in the control method of steel billet spacing of the present invention, when there are the first thermal detectors and the second heat inspection in control system
Survey device in total two thermal detectors when, controller can determine adjacent two steel billets with the presence or absence of head by counter tally function
The too small situation of tail spacing is not pushed up, wherein passing through the first heat detection first during every steel billet is run in furnace delivery table
Then device passes through the second thermal detector, when controller detects the heat inspection signal that the first thermal detector is sent, counter is counted
Value plus a1, when controller detects the heat inspection signal that the second thermal detector is sent, counter values add a2；When controller detects
When examining blackout to the heat that the first thermal detector is sent, counter values add a3；When controller detects the second thermal detector
When the heat inspection blackout of transmission, counter values are reset；Wherein when there are adjacent two steel billet heads, not push up tail spacing too small
When situation, when having not gone through the second thermal detector due to first steel billet tail portion, the head of latter steel billet is just had arrived at
First thermal detector, in the present invention, counter values will reach the value of 2a1+a2+a3, and work as adjacent two steel billet spacing
It is enough big when head do not occur and not pushing up the too small situation of tail spacing, it is latter when the second thermal detector is passed through in first steel billet tail portion
The head of root steel billet reaches in the first thermal detector not yet, and counter values will be cleared at this time.Therefore in the present invention,
By the value whether counter values reach 2a1+a2+a3 can determine that adjacent two steel billets whether occur head do not push up tail but between
Away from too small situation, and the furnace delivery table corresponding time out of service is controlled when above situation occurs, by adjacent two steel
Base is adjusted to suitable spacing, has the advantages that determine quick and simple.
Detailed description of the invention
Fig. 1 is the scheme of installation of two thermal detectors in control system of the present invention.
Fig. 2 is the circuit block diagram of control system of the present invention.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment
Present embodiment discloses a kind of control systems of steel billet spacing, as illustrated in fig. 1 and 2, including controller and difference
The first thermal detector and the second thermal detector connected with controller；First thermal detector and the second thermal detector are along furnace roller out
Road is arranged by furnace delivery table；It wherein comes out of the stove on direction in steel billet, the second thermal detector is in front of the first thermal detector；First heat
There are certain spacing for detector and the second thermal detector；Wherein distance of first thermal detector to furnace delivery table milling train side one end
Less than the specific length of a steel billet.Wherein in Fig. 1, triangle is thermal detector, and circle is the roller bearing on furnace delivery table.
As shown in Figure 1, furnace delivery table is by two sections of roller-ways in the two stick process of steel rolling mill of the present embodiment control system
It is successively 1 section and 2 sections of furnace delivery table of furnace delivery table from heating furnace side to milling train side, wherein 1 section of furnace delivery table includes 9 when composition
A roller bearing, length are about 10 meters, and 2 sections of furnace delivery table include 5 roller bearings, and length is about 6 meters, in the present embodiment, as shown in Figure 1,
By furnace delivery table, from heating furnace side to milling train side, the first thermal detector and the second thermal detector are sequentially arranged.
In the present embodiment, the first thermal detector of setting is to the distance of furnace delivery table milling train side one end less than steel billet
Specific length, so that when the tail portion of steel billet is in the furnace delivery table between the first thermal detector and the second thermal detector, steel billet
Head have been introduced into milling train.In the present embodiment, the first thermal detector and the second thermal detector are arranged as far as possible
In the furnace delivery table position closer apart from milling train.
In the present embodiment, the distance between the first thermal detector and the second thermal detector are first according to adjacent two steel billets
Root steel billet and latter steel billet need the distance met to set, such as when it is required that adjacent first steel billet tail of two steel billets
When distance meets 1.2 meters between portion and latter steel billet head, then by between the first thermal detector and the second thermal detector away from
From being set as 1.2 meters.
In the present embodiment, controller can be directly using the PLC in two stick process of steel rolling mill, which is simultaneously to come out of the stove
Controller in roller-way operation control system, for controlling the operation of furnace delivery table operation control system.Controller is also possible to
In addition PLC is set；As in addition setting PLC, which is sent to out furnace roller by PLC
The stopping and starting control of furnace delivery table may be implemented in the signal of road operation control system.
In the present embodiment, the first thermal detector and the second thermal detector are able to detect that and come out of the stove for detecting thermometal
The steel billet of detection position is moved on roller-way.When detecting thermometal, heat inspection signal can be transmitted to controller.
A kind of control method of steel billet spacing realized based on the present embodiment control system is also disclosed in the present embodiment, is led to
Crossing this method can detecte out whether adjacent two steel billets on furnace delivery table the situation that head does not push up tail but spacing is too small occur.Wherein
In the present embodiment, the situation that head does not push up tail but spacing is too small is referred in adjacent two steel billets, and the tail portion of first steel billet is with after
The head distance of a piece steel billet is relatively close but does not have the case where top tail；The step of control method is as follows in the present embodiment:
Step S1: it is that adjacent two steel billets are first that the distance between the first thermal detector and the second thermal detector are arranged first
The distance that root steel billet and latter steel billet need to meet；The first thermal detector and the second thermal detector by furnace delivery table are set
Heat inspection work is carried out respectively；Steel billet is run on furnace delivery table, when steel billet passes through the first thermal detector, the first thermal detector hair
Send heat inspection signal to controller, when steel billet passes through the second thermal detector, the second thermal detector sends heat inspection signal to controller；
Controller does not push up tail but spacing too by the way that whether adjacent two steel billets on heat inspection signal determining furnace delivery table head occur
Small situation；Specifically:
When controller detects the heat inspection signal that the first thermal detector is sent, counter values add a1；
When controller detects the heat inspection signal that the second thermal detector is sent, counter values add a2；
When controller detects the heat inspection blackout that the first thermal detector is sent, counter values add a3；
When controller detects the heat inspection blackout that the second thermal detector is sent, counter values are reset；
Wherein, when counter values have the case where reaching 2a1+a2+a3, controller determines adjacent two on furnace delivery table
There is the situation that head does not push up tail but spacing is too small in root steel billet；Wherein a1, a2 and a3 are definite value；In the present embodiment, a1, a2 and a3
Value be 1, i.e., when counter values exist reach 4 the case where when, controller determine furnace delivery table on adjacent two steel billets go out
The existing situation that head does not push up tail but spacing is too small.
Step S2, adjacent two steel billets on furnace delivery table are determined in controller and the feelings that head does not push up tail but spacing is too small occurs
When condition, controller can send stop signal to furnace delivery table operation control system, be controlled out by furnace delivery table operation control system
Furnace roller road is out of service.Later, the i.e. counter number when controller detects the heat inspection blackout that the second thermal detector sends
Value is set after a1 that is, restarting furnace delivery table.
In the present embodiment, the control principle that above-mentioned control method is realized is as follows:
In two adjacent steel billets, when first steel billet passes through the first thermal detector, the first thermal detector can be detected
Thermal signal, and it is sent to controller, counter values can add 1 at this time；First steel billet continues to run, when by the second heat inspection
When surveying device, the second thermal detector can detect thermal signal, and be sent to controller, and calculator numerical value can add 1 again at this time, that is, become
It is 2；When first steel billet, which continues to run, leaves the first thermal detector, calculator numerical value adds 1 again at this time, that is, becomes 3；First
Steel billet continues to run, and when the second thermal detector is not also left in tail portion in first steel billet operational process, and latter steel billet is
The first thermal detector is reached, then calculator numerical value can add 1 again, becomes 4, illustrates that distance is small between adjacent two steel billets at this time
In the distance between the first thermal detector and the second thermal detector, i.e. the two distance is too small.And work as first steel billet operational process
When middle tail portion has been moved off the second thermal detector, latter steel does not reach the first thermal detector also, then calculator numerical value will
It is cleared, this is to be more than or equal to the first thermal detector and the second heat inspection in first steel billet tail portion and latter steel billet head distance
Survey between device apart from when just will appear.Therefore whether controller, which reaches 4 by counter values, can determine furnace delivery table
Whether upper adjacent two steel billets there is the situation that head does not push up tail but spacing is too small.
When furnace delivery table is out of service, since the length of steel billet is greater than the first thermal detector to furnace delivery table milling train side one
The distance at end, therefore in furnace delivery table, the tail portion of first steel billet is between the first thermal detector and the second thermal detector
When, head has arrived at milling train area, and when furnace delivery table is out of service, first steel billet is dragged into milling train because of milling train operation.
And later, when controller detects that i.e. counter values set 1 when the heat that the second thermal detector is sent examines blackout, illustrate first
The tail portion of root steel billet has been moved off, and a spacing has been pulled open on the tail portion of first at this time steel billet and the head of latter steel billet
From, therefore can star furnace delivery table operation.Wherein at the starting furnace delivery table moment, since latter steel billet has had arrived at the
One heat inspection signal location, therefore counter will not reset and be placed in 1.
In the present embodiment, controller can by the heat detection signal of the first thermal detector of detection and the second thermal detector
It determines adjacent two steel billets and does not push up tail with the presence or absence of head and connect steel but the too small situation of spacing, thus according to the case where appearance pairs
The operation of furnace delivery table is controlled, and to realize the spacing between adjustment steel billet, prevents steel billet to carry out cutting useless accident generation.
In the present embodiment control method, there is a situation where that head does not push up tail but spacing is too small when controller determines adjacent two steel billets
When, control furnace delivery table is out of service, when pulling open a fixed spacing between adjacent two steel billets, then control furnace delivery table fortune again
Row.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (9)
1. a kind of control system of steel billet spacing, which is characterized in that first connected including controller and respectively with controller
Thermal detector and the second thermal detector；First thermal detector and the second thermal detector are arranged along furnace delivery table in furnace roller out
By road；It wherein comes out of the stove on direction in steel billet, the second thermal detector is in front of the first thermal detector；First thermal detector and
There are certain spacing for two thermal detectors；Wherein the first thermal detector is to the distance of furnace delivery table milling train side one end less than a bar steel
The specific length of base.
2. the control system of steel billet spacing according to claim 1, which is characterized in that first thermal detector and second
Spacing between thermal detector is 1.2 meters.
3. the control system of steel billet spacing according to claim 1, which is characterized in that the controller connects furnace delivery table
Operation control system.
4. the control system of steel billet spacing according to claim 1, which is characterized in that the controller is furnace delivery table fortune
Controller in row control system.
5. the control system of steel billet spacing according to claim 1, which is characterized in that the controller is PLC.
6. a kind of control for the steel billet spacing that the control system based on steel billet spacing described in any one of claims 1 to 5 is realized
Method, which is characterized in that steps are as follows:
Step S1: it is adjacent first steel of two steel billets that the distance between the first thermal detector and the second thermal detector are arranged first
The distance that base tail portion and latter steel billet head need to meet；The first thermal detector by furnace delivery table and the second heat inspection are set
It surveys device and carries out heat inspection work respectively；When steel billet passes through the first thermal detector, the first thermal detector sends heat inspection signal and extremely controls
Device, when steel billet passes through the second thermal detector, the second thermal detector sends heat inspection signal to controller；
Controller examines whether adjacent two steel billets on signal determining furnace delivery table occur that head does not push up tail but spacing is too small by heat
Situation；Specifically:
When controller detects the heat inspection signal that the first thermal detector is sent, counter values add a1；
When controller detects the heat inspection signal that the second thermal detector is sent, counter values add a2；
When controller detects the heat inspection blackout that the first thermal detector is sent, counter values add a3；
When controller detects the heat inspection blackout that the second thermal detector is sent, counter values are reset；
Wherein, when counter values have the case where reaching 2a1+a2+a3, controller determines adjacent two steel on furnace delivery table
There is the situation that head does not push up tail but spacing is too small in base；Wherein a1, a2 and a3 are definite value；
Step S2, when controller determines that the case where head does not push up tail occur in adjacent two steel billets on furnace delivery table, control is come out of the stove
Roller-way is out of service；Later, when controller detects the heat inspection blackout that the second thermal detector is sent, restarting is come out of the stove
Roller-way.
7. the control method of steel billet spacing according to claim 6, which is characterized in that the value of the a1 is 1.
8. the control method of steel billet spacing according to claim 6, which is characterized in that the value of the a2 is 1.
9. the control method of steel billet spacing according to claim 6, which is characterized in that the value of the a3 is 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811398105.1A CN109590336B (en) | 2018-11-22 | 2018-11-22 | Control system and method for steel billet spacing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811398105.1A CN109590336B (en) | 2018-11-22 | 2018-11-22 | Control system and method for steel billet spacing |
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| CN109590336B CN109590336B (en) | 2020-06-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110548767A (en) * | 2019-09-23 | 2019-12-10 | 陕钢集团汉中钢铁有限责任公司 | control method for head-tail shearing of rod wire |
| CN111530929A (en) * | 2020-05-14 | 2020-08-14 | 攀钢集团攀枝花钢钒有限公司 | Method for realizing energy saving by automatically starting and stopping four-roller reversible rolling mill |
| CN111906150A (en) * | 2020-07-29 | 2020-11-10 | 盐城市联鑫钢铁有限公司 | Steel rolling rear-end collision prevention early warning method and system |
| CN112934976A (en) * | 2021-01-27 | 2021-06-11 | 盐城市联鑫钢铁有限公司 | Control method for improving billet discharging efficiency of heating furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110548767B (en) * | 2019-09-23 | 2020-10-27 | 陕钢集团汉中钢铁有限责任公司 | Control method for head-tail shearing of rod wire |
| CN111530929A (en) * | 2020-05-14 | 2020-08-14 | 攀钢集团攀枝花钢钒有限公司 | Method for realizing energy saving by automatically starting and stopping four-roller reversible rolling mill |
| CN111906150A (en) * | 2020-07-29 | 2020-11-10 | 盐城市联鑫钢铁有限公司 | Steel rolling rear-end collision prevention early warning method and system |
| CN112934976A (en) * | 2021-01-27 | 2021-06-11 | 盐城市联鑫钢铁有限公司 | Control method for improving billet discharging efficiency of heating furnace |
| CN112934976B (en) * | 2021-01-27 | 2022-04-08 | 盐城市联鑫钢铁有限公司 | Control method for improving billet discharging efficiency of heating furnace |
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|---|---|
| CN109590336B (en) | 2020-06-26 |
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