CN104451120B - A kind of safety tapping system and method - Google Patents
A kind of safety tapping system and method Download PDFInfo
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- CN104451120B CN104451120B CN201410697609.9A CN201410697609A CN104451120B CN 104451120 B CN104451120 B CN 104451120B CN 201410697609 A CN201410697609 A CN 201410697609A CN 104451120 B CN104451120 B CN 104451120B
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Abstract
The invention discloses a kind of safety tapping system and method, for solving the problem that steel billet cannot normally be come out of the stove.A kind of safety control system includes walking beam furnace, two distance measuring sensors and controls device, and wherein, described walking beam furnace is used for heating steel billet and steel billet being stepped to discharging door；Said two distance measuring sensor is transmitted into steel billet for respectively distance measuring signal being perpendicular to furnace wall, measures the described steel billet distance to said two distance measuring sensor respectively, and respectively the described distance measured is sent to described control device；Described control device is for receiving the described distance that said two distance measuring sensor is measured respectively, and the difference of the described distance measured respectively according to two distance measuring sensors and described distance determines whether tapping.The safety tapping system that the present invention provides solves the improper probability occurring that steel billet breaks furnace wall in steel billet position, improves the safety of system, it is achieved the full-automatic tapping of system.
Description
Technical field
The present invention relates to automation field, system and method for tapping safely particularly to one.
Background technology
In prior art, it is common to use the displacement of displacement sensor step rate oil cylinder, thus
Obtain the displacement of step rate, so judged by the translation distance of step rate the translation of steel billet away from
From.This method, is only indirectly to measure the step distance of steel billet, but be not actual away from
From.And during the actual motion of steel billet, due to device rate acceleration and deceleration such as similar step rates
Journey curve is unable to reach perfect condition, adds reasons such as there is also some machineries so that step rate exists
Relative movement is there may be during mobile steel billet, so that steel billet sideslip, it is impossible to normally come out of the stove.
In existing domestic and international reheat furnace system, when some equipment, after the debugging well such as step rate,
Usually after production run a period of time, the translation of the equipment such as step rate produces sideslip error, also can be normal
Often forbidden due to accumulative stepping step pitch, cause steel billet normally to come out of the stove.When this type of situation occurs,
Need operative employee's manual setting, monitor at any time, inefficient.And due to high in the stove of tapping side
The setting angle reason of temperature photographic head, the bad accurate judgement steel billet of operative employee is to the distance of outlet.Again
Expensive plus photographic head in stove, many factories are not changed after photographic head damages, if
Steel billet is crooked in running, then cannot detect.
Therefore, existing operating system cannot ensure reliable and stable in long term survival running
Property.
Summary of the invention
It is an object of the invention to solve in prior art owing to the equipment such as step rate are moved through at steel billet
Journey may exist relative movement, thus produce sideslip error or due to stepping step pitch forbidden make
Obtain the problem that steel billet cannot normally be come out of the stove.For solving the problems referred to above, embodiments provide one
Plant safety tapping system and method.
In view of this, the present invention provides a kind of safe tapping system, including walking beam furnace, two
Distance measuring sensor and control device；
Described walking beam furnace is used for heating steel billet and described steel billet being stepped to described step-by-step movement adding
The discharging door of hot stove；Said two distance measuring sensor with the centrage of described walking beam furnace is
Line of symmetry is symmetrically distributed in the tapping side of described walking beam furnace and is perpendicular to described step-by-step movement and adds
The outside of the furnace wall of the discharging door of hot stove, for being perpendicular to described step-by-step movement respectively by distance measuring signal
The furnace wall of the discharging door of heating furnace is transmitted on steel billet, measures described steel billet respectively to said two
The distance of distance measuring sensor, and respectively the described distance measured is sent to described control device；
Described control device is used for receiving the described distance that said two distance measuring sensor is measured respectively, and
The described distance measured respectively according to said two distance measuring sensor and the difference of described distance determine
No tapping, described control device communicates with described walking beam furnace and said two distance measuring sensor
Connect.
The present invention also provides for a kind of safe tapping method, and the method includes:
Steel billet after walking beam furnace heating steps to discharging door；
Distance measuring signal is perpendicular to the discharging stove of described walking beam furnace by two distance measuring sensors respectively
Door furnace wall be transmitted on steel billet, measure respectively described steel billet to said two distance measuring sensor away from
From, and the described distance measured is sent to control device respectively, wherein said two range finding sensings
Device is symmetrically distributed in coming out of the stove of described walking beam furnace with the centrage of described heating furnace for line of symmetry
Side and be perpendicular to the outside of furnace wall of discharging door of described walking beam furnace；
Described control device receives the described distance that said two distance measuring sensor is measured respectively, and foundation
Described distance and the difference of described distance that said two distance measuring sensor is measured respectively determine whether
Steel.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
In the embodiment of the present invention, when in steel billet motor process the step rate of walking beam furnace due to accumulative
Stepping step pitch is inaccurate or there may be relative movement during mobile steel billet, so that in steel billet
When the centrage of heart line deviation discharging door cannot normally be come out of the stove or sideslip cannot normally be come out of the stove, pass through
Increase by two distance measuring sensors, arrive before discharging door two ends to two range finding to steel billet at steel billet
The distance of sensor measures, and two distances and two range differences according to measuring decide whether
Steel, this avoid the improper probability occurring that steel billet breaks furnace wall in steel billet position, improves and is
The safety of system, it is achieved the full-automatic tapping of system.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, embodiment will be retouched below
In stating, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is
Some embodiments of the present invention, for those of ordinary skill in the art, are not paying creativeness
On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
A kind of safety tapping system structure schematic diagram that Fig. 1 provides for the present invention；
The system schematic of a kind of safety tapping system embodiment 1 that Fig. 2 provides for the present invention；
The one safe tapping method flow chart that Fig. 3 provides for the present invention.
Detailed description of the invention
Embodiments provide a kind of safety tapping system and method, it is possible to solve steel billet tapping
The improper problem causing furnace wall to be broken by steel billet in Shi Yinwei steel billet position, improves the safety of system
Property, it is ensured that system is automatically tapped.
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.
Based on the embodiment in the present invention, those of ordinary skill in the art are not before making creative work
Put the every other embodiment obtained, broadly fall into the scope of protection of the invention.
The present invention provides a kind of safety tapping system embodiment 1, refers to Fig. 1, provides for the present invention
A kind of safety tapping system structure schematic diagram, as shown in Figure 1, the present invention provides a kind of safety to go out
Steel system, including walking beam furnace, two distance measuring sensors and control device, wherein, described
Walking beam furnace is for heating steel billet and described steel billet being stepped to going out of described walking beam furnace
Material fire door, said two distance measuring sensor is with the centrage of described walking beam furnace as balanced pair
Claim be distributed in the tapping side of described walking beam furnace and be perpendicular to going out of described walking beam furnace
The outside of the furnace wall of material fire door, for being perpendicular to described walking beam furnace respectively by distance measuring signal
The furnace wall of discharging door is transmitted on steel billet, measures described steel billet respectively to said two range finding sensing
The distance of device, and respectively the described distance measured is sent to described control device, described control fills
Put for receiving the described distance that said two distance measuring sensor is measured respectively, and according to said two
Described distance and the difference of described distance that distance measuring sensor is measured respectively determine whether tapping, described
Control device and described walking beam furnace and the communication connection of said two distance measuring sensor.
Concrete, with reference to shown in Fig. 1, the one safe tapping system that the present invention provides includes stepping
Formula heating furnace, two distance measuring sensors and control device.Described walking beam furnace is for steel billet
Heat, and the steel billet after heating is stepped at the discharging door of described walking beam furnace；
Said two distance measuring sensor is with the centrage of described walking beam furnace as line of symmetry, symmetrical point
Cloth is at the tapping side of described walking beam furnace and the discharging stove that is perpendicular to described walking beam furnace
The outside of the furnace wall of door, the centrage of heating furnace described herein can for those skilled in the art
Understanding is the centrage parallel with the traffic direction of steel billet in heating furnace；Said two distance measuring sensor
Perforate on the furnace wall of the discharging door by described walking beam furnace is respectively by described range finding
Signal is perpendicular to furnace wall and is transmitted on described steel billet, and specifically, said two distance measuring sensor is respectively
Corresponding with the perforate on the furnace wall of the discharging door of described walking beam furnace, by described step-by-step movement
The institute that said two distance measuring sensor is vertically launched by the perforate on the furnace wall of the discharging door of heating furnace
State distance measuring signal to incide on described steel billet；Measure described steel billet respectively to said two range finding sensing
The distance of device is it can be understood as said two distance measuring sensor passes through going out of described walking beam furnace
Perforate on the furnace wall of material fire door by described transmitting ranging signals to described steel billet, then said two
Distance measuring sensor records the described steel billet distance to said two distance measuring sensor respectively；And respectively will
Measure described distance be sent to described control device it can be understood as, said two range finding sensing
The above-mentioned described distance recorded respectively is sent to control device by device；It should be noted that wherein appoint
Distance measuring sensor described in one is both greater than described stepping to the distance of the nearest furnace wall being perpendicular to described steel billet
Formula heating furnace width deduct the shortest steel billet length in described steel billet difference it can be understood as, due to steel
Base kind is many, and steel billet length is the most inconsistent, so any one is surveyed in said two distance measuring sensor
Distance away from sensor to the nearest furnace wall being perpendicular to described steel billet is both greater than described stepped heating
Stove width deducts the difference of the shortest steel billet length in described steel billet, so can ensure that the shortest steel billet this
The steel billet of kind also is able to be detected by described distance measuring sensor.Certainly this kind of situation is to consider one
Planting the situation that the limit occurs, i.e. steel billet is near described walking beam furnace side, but generally feelings
Under condition, described steel billet is to need to be symmetrical in described walking beam furnace center in walking beam furnace
Line discharge, said two distance measuring sensor is also unsuitable near the two of described walking beam furnace simultaneously
Wing furnace wall is the nearest, and the steel billet that otherwise length is shorter cannot be measured, and sensor signal will be transmitted into
Outside steel billet, if two distance measuring sensors from too close to, be also unfavorable for judging that described steel billet is crooked
Degree, and for shorter and be also not easy to survey for being respectively symmetrically the steel billet put about needing
Amount.
The present invention, by increasing by two distance measuring sensors, arrives the discharging stove of walking beam furnace at steel billet
In front of the door the distance at the two ends of steel billet to two distance measuring sensors is measured, according to two distances with
And the difference of two distances decides whether tapping, this avoid that steel billet position is improper occurs that steel billet hits
The probability of bad furnace wall, it is ensured that security of system is run reliably, it is achieved that automatically going out of system
Steel.
Preferably, the system of a kind of safety tapping system embodiment 1 that accompanying drawing 2 provides for the present invention is shown
It is intended to, the invention provides a kind of safety tapping system embodiment 2, in conjunction with accompanying drawing 1 and accompanying drawing 2 one
Plant safe tapping system to be described in detail.One illustrated in fig. 1 safe tapping system includes
Walking beam furnace, two distance measuring sensors and control device.It should be noted that retouch for convenience
State, two distance measuring sensors are designated as respectively the first distance measuring sensor and the second distance measuring sensor, tool
Body, as a example by system shown in Figure 2, a kind of safe tapping system includes walking beam furnace 8, the
One distance measuring sensor 2 and the second distance measuring sensor 3, controls device, it should be noted that control herein
Device is the most not shown.Described walking beam furnace 8 is used for heating steel billet 4 and by steel billet 4
Step to discharging door 6；Described first distance measuring sensor 2 and the second distance measuring sensor 3 are with heating furnace
The centrage of 8 is line of symmetry, as shown in Figure 2 line of symmetry, is symmetrically distributed in described stepped heating
Outside the furnace wall 1 of the tapping side of stove 8 and the discharging door that is perpendicular to described walking beam furnace 8
Side, for vertical by distance measuring signal respectively by the perforate on the furnace wall of described walking beam furnace 8
Furnace wall in walking beam furnace 8 is transmitted on steel billet 4, measures described steel billet 4 respectively to described
First distance measuring sensor 2 and the distance of the second distance measuring sensor 3, and respectively will measure described in away from
From being sent to described control device, wherein it should be noted that distance measuring sensor 2 described in first or
Distance measuring sensor 3 described in second is more than described to the distance of the nearest furnace wall being perpendicular to described steel billet 4
Walking beam furnace width deducts the difference of the shortest steel billet length in described steel billet；Described control device is used
In receiving described first distance measuring sensor 2 and the described distance of the second distance measuring sensor 3 measurement, and
The described distance measured according to the first distance measuring sensor 2 and the second distance measuring sensor 3 and first is surveyed
Difference away from sensor 2 and the described distance of the second distance measuring sensor 3 measurement determines whether tapping,
Described control device is surveyed with described walking beam furnace 8 and described first distance measuring sensor 2 and second
Communicate to connect away from sensor 3.
It should be noted that described first distance measuring sensor 2 and the second distance measuring sensor 3 are Laser Measuring
Distance meter, infrared distance measuring sensor or ultrasonic sensor etc., the range finding essence of described distance measuring sensor
Degree is less than or equal to 0.1 centimetre, and the minimum range of finding range is less than or equal to 30 meters, finding range
Ultimate range is more than or equal to 2 meters；The aperture of the perforate on the furnace wall of described walking beam furnace 8 is wanted
Width more than the distance measuring signal that described first distance measuring sensor 2 and the second distance measuring sensor 3 are launched；
Described control device is PLC.In addition it is also necessary to explanation, the position of steel billet in Fig. 2
Put only illustrated position, do not represent actual steel billet position.
Concrete, as a example by system shown in Figure 2, describe the operation principle of system, stepped heating in detail
Stove 8 is for heating steel billet 4 and by the steel billet 4 step rate stepping by described walking beam furnace 8
To the furnace delivery table 5 of walking beam furnace 8, the furnace delivery table 5 of described walking beam furnace 8
Described steel billet 4 is delivered to discharging door 6 position of described walking beam furnace 8, now institute
The step rate stepping final step stating walking beam furnace 8 can be by described walking beam furnace 8
Step rate described steel billet 4 is stepped to the discharging cantilever road of described walking beam furnace 8 through institute
State the discharging door 6 of walking beam furnace 8 to tap to the outer roller-way of stove, right with shown in Fig. 2
Described first distance measuring sensor 2 and the second distance measuring sensor 3 that title line is symmetrical pass through figure respectively
Shown in walking beam furnace 8 furnace wall on perforate distance measuring signal be perpendicular to described step-by-step movement add
The furnace wall of hot stove 8 is transmitted on steel billet 4, it is preferred that on the furnace wall of described walking beam furnace 8
The width of described distance measuring signal launched more than said two distance measuring sensor of the aperture of perforate, this
Sentence as a example by the aperture of the perforate on the furnace wall of described walking beam furnace 8 is 5 centimetres, survey respectively
Measure described steel billet 4 and arrive described first distance measuring sensor 2 and the distance of the second distance measuring sensor 3,
If the described steel billet that described first distance measuring sensor 2 records 4 is to described first distance measuring sensor 2
Distance is D1, and the described steel billet 4 that described second distance measuring sensor 3 records passes to described second range finding
The distance of sensor 3 is D2, described first distance measuring sensor 2 and described second distance measuring sensor 3 points
Described distance D1 measured and D2 not being sent to described control device, described control device receives
Described distance D1 measured to described first distance measuring sensor 2 and the second distance measuring sensor 3 and D2
After, compare two values of D1 and D2 the most all in the first preset range, if described D1 and D2
Two values are all in described first preset range, it is determined that described steel billet 4 is tapped；If described D1
There is a value not in described preset range with D2, then to continue to judge the difference of described D1 and D2
The threshold value whether value is preset less than second；If described D1 and D2 two is worth the most not described first
In preset range, it is determined that described steel billet 4 can not be tapped.
If it should be noted that the difference of described D1 and D2 is less than the second predetermined threshold value, the most really
Fixed described steel billet 4 is tapped, and otherwise determines that described steel billet 4 can not be tapped.Wherein said first presets
Scope refers to that discharging door 6 centrage of described walking beam furnace 8 is to described first range finding sensing
The distance of device 2 and the second distance measuring sensor 3 adds allowed range of error, due to described stepping
Discharging door 6 centrage of formula heating furnace 8 passes to described first distance measuring sensor 2 and the second range finding
The distance of sensor 3 is fixing, therefore it may only be necessary to plus permitting on the basis of this fixed data
One that is permitted that described steel billet 4 gone out by the discharging door 6 of described walking beam furnace 8 just just
Negative error distance.Described second predetermined threshold value will be according to the reality of the fire door of walking beam furnace
Width determines, generally for the steel billet of 150mm width, the fire door width of described walking beam furnace
Degree is general all at about 320mm.If the such as second predetermined threshold value is 50mm, if the most described D1
With the difference of D2 at more than 50mm, then it is assumed that described steel billet 4 is crooked, it is impossible to normally come out of the stove.
If described D1 and D2 value the most can not be tapped in described first preset range, then need
Automatically the certain step pitch of step rate stepping of walking beam furnace is started until meeting condition；If
The difference of described D1 and D2 can not be tapped more than or equal to described second predetermined threshold value, then it is assumed that steel
Base is crooked, stops tapping, manually adjusts crooked steel billet until meeting condition.
Herein it should be noted that this condition of 50mm that difference meets is intended to according to actual stepping
The width of the fire door of formula heating furnace determines, the different described difference of the fire door width of walking beam furnace
The condition met also can be different；And described steel billet 4 is measured for said two distance measuring sensor and arrives
The tapping side of described walking beam furnace 8 and be perpendicular to the discharging stove of described walking beam furnace 8
The distance of the furnace wall of door 6 is suitably to have arrived described walking beam furnace 8 at described steel billet 4
Carry out on the premise of the position of outlet；Described control device can be PLC；Described two
Individual distance measuring sensor is laser range finder, infrared distance measuring sensor or ultrasonic sensor etc., institute
The installation site stating the first distance measuring sensor 2 and the second distance measuring sensor 3 is the first distance measuring sensor 2
Or second distance measuring sensor 3 to being perpendicular to the distance of the nearest furnace wall of described steel billet more than described heating furnace
Width deducts the difference of the shortest steel billet length in described steel billet, with described walking beam furnace 8 a width of 12.7
As a example by meter, described steel billet length is general all at 8～12 meters, as a example by a length of 8 meters of described steel 4,
The width of the most described walking beam furnace 8 deduct described steel billet 4 a length of 12.7 meters deduct 8
Rice, difference is 4.7 meters, figure it is seen that described first distance measuring sensor 2 is in Fig. 2
Left side furnace wall is nearest furnace wall, the described step-by-step movement in the most described first distance measuring sensor 2 to Fig. 2
The distance of the left side furnace wall of heating furnace 8 could be arranged to can meet condition more than 4.7 meters, equally,
Described second distance measuring sensor 3 is i.e. schemed to the right side furnace wall of the described walking beam furnace 8 in Fig. 2
In furnace wall 7 be nearest furnace wall, the furnace wall 7 in the most described second distance measuring sensor 3 to Fig. 2
Distance could be arranged to can meet condition more than 4.7 meters, and herein 4.7 meters with the shortest steel billet
General length carries out calculating, and situation about cannot measure when so can avoid the occurrence of the shortest steel billet
Existing.
The safety tapping system that the present invention provides, by increasing described first distance measuring sensor 2 and institute
State the second distance measuring sensor 3, when described steel billet arrives the tapping side of described walking beam furnace 8,
Described steel billet two ends are measured by described first distance measuring sensor 2 and described second distance measuring sensor 3
To the distance of said two distance measuring sensor, and compare the described of said two distance measuring sensor measurement
Distance and the difference of described distance, decide whether tapping, this avoid steel billet position improper go out
Existing steel billet breaks the probability of furnace wall, improves the safety of system, it is achieved automatically going out of system
Steel.
Accordingly, present invention also offers a kind of safe tapping method, described method includes:
Steel billet after walking beam furnace heating steps to the discharging door of described walking beam furnace；
Distance measuring signal is perpendicular to the discharging stove of described walking beam furnace by two distance measuring sensors respectively
Door furnace wall be transmitted on steel billet, measure respectively described steel billet to said two distance measuring sensor away from
From, and the described distance measured is sent to control device respectively, wherein said two range finding sensings
Device is symmetrically distributed in coming out of the stove of described walking beam furnace with the centrage of described heating furnace for line of symmetry
Side and be perpendicular to the outside of furnace wall of described discharging door of walking beam furnace；
Described control device receives the described distance that said two distance measuring sensor is measured respectively, and foundation
Described distance and the difference of described distance that said two distance measuring sensor is measured respectively determine whether
Steel.
Concrete, described walking beam furnace steps to described stepped heating by after described heating steel billet
At the discharging door of stove, in the tapping side of described walking beam furnace and be perpendicular to described step-by-step movement
The outside of the furnace wall of the discharging door of heating furnace is with the centrage of described walking beam furnace as line of symmetry
Described distance measuring signal is perpendicular to described step-by-step movement by symmetrical said two distance measuring sensor respectively
The furnace wall of heating furnace is transmitted on described steel billet, records described steel billet the most respectively and surveys to said two
Away from the distance of sensor, and the described distance recorded respectively is sent to described control device, described
After controlling the described distance that device receives above-mentioned measurement, according to the two distance and described distance
Difference decide whether tapping.
The safe tapping method that the present invention provides, by two range findings of the tapping side of walking beam furnace
Sensor measurement steel billet measures to the distance of said two distance measuring sensor, according to two measured
Individual distance and two range differences decide whether tapping, this avoid that steel billet position is improper steel occurs
Base breaks the probability of furnace wall, improves the safety of system, it is achieved the full-automatic tapping of system.
The invention provides a kind of safe tapping method embodiment 3, in conjunction with accompanying drawing 3, described method is entered
Row describes in detail.Shown in accompanying drawing 3, described method step is as follows:
Steel billet after the heating of step S301, walking beam furnace steps to described walking beam furnace
Discharging door；
Distance measuring signal is perpendicular to described stepped heating by step S302, two distance measuring sensors respectively
The furnace wall of the discharging door of stove is transmitted on steel billet, measures described steel billet respectively and finds range to said two
The distance of sensor, and the described distance measured is sent to control device respectively, wherein said two
Individual distance measuring sensor is symmetrically distributed in described step-by-step movement with the centrage of described heating furnace for line of symmetry and adds
The tapping side of hot stove and be perpendicular to the outside of furnace wall of discharging door of described walking beam furnace；
It is described that step S303, described control device reception said two distance measuring sensor is measured respectively
Distance, and the described distance measured respectively according to said two distance measuring sensor and the difference of described distance
Value determines whether tapping；
Below in conjunction with the accompanying drawings 3 describe in detail safe tapping methods be embodied as step.
Steel billet after the heating of step S301, walking beam furnace steps to discharging door；
Concrete, walking beam furnace steps to described walking beam furnace by after described heating steel billet
Discharging door at, i.e. walking beam furnace is added by described step-by-step movement by heating steel billet and by steel billet
The step rate of hot stove steps on the furnace delivery table of described walking beam furnace, described stepped heating
Described steel billet is delivered at the discharging door of described walking beam furnace by the furnace delivery table of stove.Herein
It will be appreciated that the described steel billet after heating may before arriving described walking beam furnace exit position
There is stepping error, it is also possible to owing to translating about the motion existence of steel billet described during stepping.
Distance measuring signal is perpendicular to described stepped heating by step S302, two distance measuring sensors respectively
The furnace wall of the discharging door of stove is transmitted on steel billet, measures described steel billet respectively and finds range to said two
The distance of sensor, and the described distance measured is sent to control device respectively, wherein said two
Individual distance measuring sensor is symmetrically distributed in described step-by-step movement with the centrage of described heating furnace for line of symmetry and adds
The tapping side of hot stove and be perpendicular to the outside of furnace wall of discharging door of described walking beam furnace；
Concrete, it is installed on the tapping side of described walking beam furnace and is perpendicular to described step-by-step movement
The outside of the furnace wall of the discharging door of heating furnace and with the centrage of described walking beam furnace as symmetry
The said two distance measuring sensor of line respectively will by the perforate on the furnace wall of described walking beam furnace
Described distance measuring signal is perpendicular to the furnace wall of described walking beam furnace and is transmitted on described steel billet, described
The aperture of the perforate on the furnace wall of walking beam furnace more than the width of described distance measuring signal, described two
Individual distance measuring signal measures the described steel billet distance to said two distance measuring sensor respectively, and will record
After described distance be sent to described control device.Preferably, said two distance measuring sensor is permissible
For laser range finder or infrared distance measuring sensor or ultrasonic sensor etc., said two range finding passes
The range accuracy of sensor is less than or equal to 0.1 meter, and the minimum range of finding range is less than or equal to 30 meters,
The ultimate range of finding range is more than or equal to 2 meters；Described control device is PLC.
It is described that step S303, described control device reception said two distance measuring sensor is measured respectively
Distance, and the described distance measured respectively according to said two distance measuring sensor and the difference of described distance
Value determines whether tapping；
Concrete, described control device receive that said two distance measuring sensor measures respectively described away from
From rear, compare two distances that said two distance measuring sensor records respectively, and according to described two
Described distance and the difference of described distance that individual distance measuring sensor is measured respectively determine whether tapping.Excellent
Choosing, if the described distance that said two distance measuring sensor is measured respectively is all in the first preset range
In, it is determined that described steel billet is tapped；If said two distance measuring sensor measure respectively described away from
Have in from one not in described first preset range, then judge that said two distance measuring sensor is respectively
Whether the difference of the described distance measured is less than the second predetermined threshold value；If said two range finding sensing
The described distance that device is measured respectively is not the most in described first preset range, it is determined that described steel billet is not
Can tapping.Wherein, if the described distance measured respectively of said two distance measuring sensor has one
Time not in described first preset range, then judge the institute that said two distance measuring sensor is measured respectively
State the difference of distance whether less than the second predetermined threshold value it can be understood as, if i.e. said two is surveyed
Have in the described distance that sensor is measured respectively one not in described first preset range time, can
With by judging that the difference of described distance that said two distance measuring sensor measures respectively is whether less than the
Two predetermined threshold value decide whether tapping, if the institute that i.e. said two distance measuring sensor is measured respectively
State the difference of distance less than the second predetermined threshold value, it is determined that described steel billet is tapped, otherwise determine described
Steel billet can not be tapped.
It should be noted that after two distances measured respectively according to said two distance measuring sensor,
Except individually comparing two distances discharging door centrage with described walking beam furnace to described two
Can also be by taking the meansigma methods of two described distances and described stepping outside the distance of individual distance measuring sensor
The discharging door centrage of formula heating furnace compares to the distance of said two distance measuring sensor, sees
Whether in preset range.As such, it is possible to be summarized as, if described steel billet does not occur crooked,
Be only disalignment, then the step rate automatically starting described walking beam furnace carries out described steel billet
Position adjustment；If described steel billet exists crooked, it may be judged whether can come out of the stove, if it can, continue
Continue and come out of the stove；If it could not, device request artificial treatment in stopping stove.It is further to note that
After the step rate of described walking beam furnace is debugged, general seldom occur that described steel billet is crooked
State, unless entered stove steel billet existence itself to bend the appearance such as nonconforming or mechanical, electric in stove
Just have steel billet crooked phenomenon during fault to occur.Two described distances are taken described in it should be noted that
Meansigma methods be ensure almost without curved steel in the case of, said two distance measuring sensor can be used
The value of the described distance recorded is averaged the furnace delivery table centrage compared with described walking beam furnace
Deviation to reduce measurement error, the most described steel billet is crooked, can use and periodically adopt every a period of time
The method of sample selective examination, in the event of the situation that two differences are excessive, then may be considered one
Distance measuring sensor occurs in that fault or measurement there is a problem.
Also, it should be noted said two distance measuring sensor is the stove by described walking beam furnace
Distance measuring signal is perpendicular to the furnace wall of described walking beam furnace and is transmitted into described by perforate on wall respectively
On steel billet, the aperture of the perforate on the furnace wall of described walking beam furnace passes more than said two range finding
The width of the described distance measuring signal that sensor is launched, described control device is PLC.
It addition, described control device also apply be applicable to described walking beam furnace enter furnace side, work as institute
State steel billet to enter stove and positioned, the pusher of described walking beam furnace after having pushed away, detect
Whether described steel billet exists bending, if exist defective, or described steel billet is either with or without ajusting,
Either with or without being placed to suitable initial position.If initial position is improper, the most eventually affect
Described steel billet conveying is to the position on the furnace delivery table of described walking beam furnace.
Owing to the process of described safety tapping is had been described in detail by embodiment 2 when descriptive system,
So the detailed implementation process of described safe tapping method is referred to retouching of said system embodiment
Stating, here is omitted.
The equipment such as step rate due to walking beam furnace that the present invention is directed in prior art moves at steel billet
May there is relative movement during Dong, thus produce sideslip error or due to stepping step pitch not
The problem that standard makes steel billet normally to come out of the stove provides a kind of safety tapping system and method, passes through
Increase by two distance measuring sensors, to steel billet before steel billet arrives the discharging door of walking beam furnace
Two ends are to the discharging door side of walking beam furnace and are perpendicular to the discharging door of walking beam furnace
The distance of furnace wall measures, and decides whether tapping according to two range differences, this avoid steel billet
The improper probability occurring that steel billet breaks furnace wall in position, improves the safety of system, it is achieved be
The full-automatic tapping of system.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two ", the (if present) such as " the 3rd " " the 4th " be for distinguishing similar object, and not
Must be used for describing specific order or precedence.Should be appreciated that the data of so use are in suitable feelings
Can exchange under condition, in order to the embodiments described herein can be with except here illustrating or describing
Order beyond content is implemented.Additionally, term " includes " and " having " and theirs is any
Deformation, it is intended that cover non-exclusive comprising, such as, contains series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps or the unit clearly listed,
But can include that the most clearly list or intrinsic for these processes, method, product or equipment
Other step or unit.
The above, above example is only in order to illustrate technical scheme, rather than limits it
System；Although the present invention being described in detail with reference to previous embodiment, the common skill of this area
Art personnel are it is understood that the technical scheme described in foregoing embodiments still can be repaiied by it
Change, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a safety tapping system, it is characterised in that described system includes:
Walking beam furnace, two distance measuring sensors and control device；
Described walking beam furnace is used for heating steel billet and described steel billet being stepped to described step-by-step movement adding
The discharging door of hot stove；
Said two distance measuring sensor divides with the centrage of described walking beam furnace for line of symmetry symmetry
Cloth is at the tapping side of described walking beam furnace and the discharging stove that is perpendicular to described walking beam furnace
The outside of the furnace wall of door, for being perpendicular to the discharging of described walking beam furnace respectively by distance measuring signal
The furnace wall of fire door is transmitted on steel billet, measures described steel billet respectively to said two distance measuring sensor
Distance, and respectively the described distance measured is sent to described control device；
Described control device is used for receiving the described distance that said two distance measuring sensor is measured respectively, and
The described distance measured respectively according to said two distance measuring sensor and the difference of described distance determine
No tapping, described control device communicates with described walking beam furnace and said two distance measuring sensor
Connect；
By taking described distance and the described walking beam furnace that two distance measuring sensors are measured respectively
Discharging door centrage compares to the distance of said two distance measuring sensor, it is determined whether tapping.
System the most according to claim 1, it is characterised in that said two distance measuring sensor
For laser range finder, infrared distance measuring sensor or ultrasonic sensor.
System the most according to claim 1, it is characterised in that said two distance measuring sensor
Range accuracy less than or equal to 0.1 centimetre, the minimum range of finding range is less than or equal to 30 meters, surveys
Ultimate range away from scope is more than or equal to 2 meters.
System the most according to claim 1, it is characterised in that said two distance measuring sensor
It is that the perforate on the furnace wall of the discharging door by described walking beam furnace is respectively by described survey
The furnace wall of the discharging door being perpendicular to described walking beam furnace away from signal is transmitted on described steel billet,
Find range more than said two in the aperture of the perforate on the furnace wall of the discharging door of described walking beam furnace
The width of the described distance measuring signal of sensor emission.
System the most according to claim 1, it is characterised in that described control device is PLC
Controller.
6. a safe tapping method, it is characterised in that described method includes:
Steel billet after walking beam furnace heating steps to the discharging door of described walking beam furnace；
Distance measuring signal is perpendicular to the discharging stove of described walking beam furnace by two distance measuring sensors respectively
Door furnace wall be transmitted on steel billet, measure respectively described steel billet to said two distance measuring sensor away from
From, and the described distance measured is sent to control device respectively, wherein said two range finding sensings
Device is symmetrically distributed in coming out of the stove of described walking beam furnace with the centrage of described heating furnace for line of symmetry
Side and be perpendicular to the outside of furnace wall of discharging door of described walking beam furnace；
Described control device receives the described distance that said two distance measuring sensor is measured respectively, and foundation
Described distance and the difference of described distance that said two distance measuring sensor is measured respectively determine whether
Steel.
Method the most according to claim 6, it is characterised in that said two distance measuring sensor
It is that described distance measuring signal is perpendicular to institute by perforate on the furnace wall by described walking beam furnace respectively
The furnace wall of the discharging door stating walking beam furnace is transmitted on described steel billet, described stepped heating
The institute that the aperture of the perforate on the furnace wall of the discharging door of stove is launched more than said two distance measuring sensor
State the width of distance measuring signal.
Method the most according to claim 6, it is characterised in that said two distance measuring sensor
The described distance measured respectively is all in the first preset range, it is determined that described steel billet is tapped；Described
The described distance that two distance measuring sensors are measured respectively there is one not in described first preset range
In, then judge whether the difference of the described distance that said two distance measuring sensor measures respectively is less than the
Two predetermined threshold value；The described distance that said two distance measuring sensor is measured respectively is not the most described first
In preset range, it is determined that described steel billet can not be tapped.
Method the most according to claim 8, it is characterised in that said two distance measuring sensor
The difference of the described distance measured respectively is less than the second predetermined threshold value, it is determined that described steel billet is tapped,
Otherwise determine that described steel billet can not be tapped.
Method the most according to claim 6, it is characterised in that described control device is PLC
Controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410697609.9A CN104451120B (en) | 2014-11-26 | 2014-11-26 | A kind of safety tapping system and method |
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| CN201410697609.9A CN104451120B (en) | 2014-11-26 | 2014-11-26 | A kind of safety tapping system and method |
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| CN104451120A CN104451120A (en) | 2015-03-25 |
| CN104451120B true CN104451120B (en) | 2016-11-02 |
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| CN109396195B (en) * | 2018-11-13 | 2020-08-14 | 四川德胜集团钒钛有限公司 | Anti-seismic steel bar head and tail identification quick-falling control system and control method |
| CN110541064A (en) * | 2019-09-17 | 2019-12-06 | 新余钢铁股份有限公司 | Steel plate deviation detection system for double-step beam type heat treatment furnace and control method |
| CN111646149A (en) * | 2020-05-21 | 2020-09-11 | 张家港宏昌钢板有限公司 | Monitoring and alarming system and method for billet feeding process |
| CN113920105B (en) * | 2021-10-28 | 2024-07-02 | 中冶赛迪信息技术(重庆)有限公司 | Machine vision-based method, system, equipment and medium for identifying inclined steel in heating furnace |
| CN114226469A (en) * | 2021-11-29 | 2022-03-25 | 首钢集团有限公司 | Slab position measuring device, rolling system, control method, and storage medium |
| CN115572808A (en) * | 2022-09-26 | 2023-01-06 | 攀钢集团攀枝花钢钒有限公司 | Anti-collision protection method and system for furnace wall of heating furnace |
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| JPS4838043B1 (en) * | 1970-05-27 | 1973-11-15 | ||
| CN2254533Y (en) * | 1996-01-22 | 1997-05-21 | 冶金工业部重庆钢铁设计研究院 | Tap device for walking beam furnace |
| CN102888505B (en) * | 2011-07-19 | 2014-06-04 | 宝山钢铁股份有限公司 | Control method for detection of slab in heating furnace |
| CN103010704B (en) * | 2012-12-19 | 2015-04-22 | 肇庆宏旺金属实业有限公司 | Steel band running deviation correcting system and deviation correcting method |
| CN103468924B (en) * | 2013-09-27 | 2015-11-25 | 北京佰能电气技术有限公司 | Process furnace tapping protector |
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Effective date of registration: 20171027 Address after: 100096, 18, 5, 518, East Building Road, Xisanqi, Beijing, Haidian District Patentee after: Beijing Bestpower Worthysky Technology Co., Ltd. Address before: 100096 Beijing Xisanqi building materials City, East Road, No. 18, No. Patentee before: Beijing Bestpower Electrical Technology Co., Ltd. |
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Address after: 100096 Beijing Haidian District Xisanqi building materials East Road 18, 5, 518 room. Patentee after: Polytron Technologies Inc in Beijing Address before: 100096 Beijing Haidian District Xisanqi building materials East Road 18, 5, 518 room. Patentee before: Beijing Bestpower Worthysky Technology Co., Ltd. |