CN203012430U - Automatic steel tapping control system of stepping girder type heating furnace - Google Patents
Automatic steel tapping control system of stepping girder type heating furnace Download PDFInfo
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- CN203012430U CN203012430U CN 201220668177 CN201220668177U CN203012430U CN 203012430 U CN203012430 U CN 203012430U CN 201220668177 CN201220668177 CN 201220668177 CN 201220668177 U CN201220668177 U CN 201220668177U CN 203012430 U CN203012430 U CN 203012430U
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- heating furnace
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Abstract
The utility model discloses an automatic steel tapping control system of a stepping girder type heating furnace. The automatic steel tapping control system of the stepping girder type heating furnace comprises an industrial control computer, a PLC controller, a data acquisition module, a stepping beam control module and a three-phase asynchronous motor control module, wherein the industrial control computer transmits a time-delay interval signal to the PLC controller and receives a real-time monitoring signal of the PLC controller, the PLC controller receives real-time information transmitted by a data acquisition device and carries out processing and sends an enablement control signal to the three-phase asynchronous motor control module and the stepping beam control module, and the stepping beam control module transmits a data signal to the data acquisition module. The automatic steel tapping control system settles a disadvantage of manual operation in traditional control, has powerful calculation capability and high stability, reduces change of rolling mill technology and a rolling speed, improves output, reduces intermediate products and improves work efficiency.
Description
Technical field
The utility model relates to a kind of heating furnace control system of automatically tapping, and in particular, relates to a kind of walking beam heating furnace control system of automatically tapping, and belongs to the steel rolling automation field.
Background technology
At present, walking beam heating furnace utilizes S7-400 to control, the tapping mode by the tapping personnel after range estimation steel billet F.F. complete milling train, manually press the tapping button, in heating furnace, step rate begins, its executable operations process flow diagram comprises the steps: that operating personnel estimate steel billet and leave milling train-press manual tapping button-step rate rising-step rate reach-step rate decline-step rate retreats, furnace delivery table turns round as shown in Figure 1.Beginning to move to come out of the stove to steel billet needs nearly 40 seconds, and the interior material of milling train this moment is covered already, and the time interval between interior two material of milling train is through being everlasting more than 10 seconds.If one-strand roller, if the personnel that come out of the stove tap in advance, probably material is not covered in milling train, and red base can only rest on the outer discharge roller of stove road.But heating furnace door only has 15 meters left and right from inlet of rolling mill, middle high pressure water descaling device in addition, 12 meters of red base length, red base is often excessively lowered the temperature by high-pressure water descaling, or stay in for a long time on the discharging roller-way and cause temperature not to be inconsistent technological requirement, steel billet can only be refunded in stove this moment and again heat up, more affect rhythm of production.In addition, for red base meets technological requirement, the tapping personnel can allow red base immediately following last material, so just often cause to chase after steel.For fear of the overflow accident that seriously chases after steel and cause, the steel that chases after of flying shear reached for 10 seconds cataclasm interval time, caused the great wasting of resources.
Existing steel rolling process is comparatively advanced, and kind comprises the various sizes of Φ 5 ~ Φ 40, and rolling mill technology and mill speed frequently change, and the tapping personnel are difficult to hold best tapping rhythm, have had a strong impact on the output in workshop, have increased the generation of intermediate product.
The utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, and a kind of accurate tapping rhythm of controlling fast is provided, and reduces walking beam heating furnace that intermediate product the produce control system of automatically tapping.
In order to solve above technical matters, the utility model provides a kind of walking beam heating furnace control system of automatically tapping, comprise industrial computer, PLC controller, data acquisition module, step rate control module and Three-phase Induction Motor Control module, wherein, described industrial computer comprises the setting parameter unit, transmit the time delay interval signal to described PLC controller, and receive the Real Time Monitoring signal of described PLC controller; Described PLC controller receives real-time information and the processing that described data acquisition unit transmits, and when judgement taps, and sends and enables control signal to described Three-phase Induction Motor Control module and step rate control module; Described step rate control module communicated data signal is to data acquisition module.
Being further defined to of technical solutions of the utility model, described data acquisition module comprise for detection of the current detector whether steel is arranged on milling train, for detection of the hot metal detector whether steel is arranged on the discharging roller-way with for detection of the displacement transducer of step rate position.
Further, described step rate control module comprises proportional amplifier plate, proportioning valve, hydraulic cylinder and step rate, described proportional amplifier plate one end is connected with described PLC controller, the other end is connected with described proportioning valve, described proportioning valve is connected with the entrance point of described hydraulic cylinder, described step rate one end is connected with the endpiece of described hydraulic cylinder, and the described step rate other end is connected with described data acquisition module.
Further, described Three-phase Induction Motor Control module comprises frequency converter and threephase asynchronous machine, and described frequency converter receives the enable signal that described PLC controller transmits, and transmission feeds back signal to described PLC controller; Described threephase asynchronous machine is connected with described frequency converter, receives the control signal of described frequency converter.
Further, described industrial computer also comprises switch unit, the switching between being used for automatically controlling and manually controlling.
Further, described industrial computer also comprises storage unit, is used for preserving Operation Log.
The beneficial effects of the utility model are: a kind of walking beam heating furnace described in the utility model control system of automatically tapping, and adopt man-machine conversation to make up manually operated deficiency in traditional control, calculation function is powerful, and stability is high; Utilize the Frequency Converter Control threephase asynchronous machine can effectively control the quality of power supply of motor speed, raising electrical network; And, can different delay parameters be set according to different materials, different specifications, reduce the change of rolling mill technology and mill speed, increase output, reduce intermediate product, increase work efficiency.
Description of drawings
Fig. 1 is the process flow diagram that in prior art, tapping is manually controlled;
Fig. 2 is automatically the tap using method process flow diagram of control system of walking beam heating furnace described in the utility model;
Fig. 3 is automatically the tap structured flowchart of control system of walking beam heating furnace described in the utility model.
Embodiment
Embodiment 1
A kind of walking beam heating furnace that the present embodiment provides control system of automatically tapping, structured flowchart comprises industrial computer, PLC controller, data acquisition module, step rate control module and Three-phase Induction Motor Control module as shown in Figure 3.
Industrial computer transmits the time delay interval signal to the PLC controller, and receives the Real Time Monitoring signal of PLC controller.Industrial computer comprises setting parameter unit, switch unit and storage unit, and the setting parameter unit is used for arranging the time delay interval of automatic tapping.Switch unit is automatically control or manually control for the running status of initialization system, when stopping production or fault, system is switched to manual operation, is operated on operator's console by operating personnel.Storage unit is used for preserving Operation Log, and Operation Log is used for recording the number of a period of time internally heated oven tapping, conveniently checks the steel billet lot number.
The real-time information that PLC controller receiving data collector transmits is also processed, and when judgement taps, and sends and enables control signal to described Three-phase Induction Motor Control module and step rate control module, and transmit the Real-Time Monitoring signal to industrial computer.The method of PLC controller judgement tapping is: detect according to hot metal detector on furnace delivery table the tapping time interval of setting in signal that steel billet disappears and step (1) and trigger the PLC controller and move in advance step rate, thereby on the assurance furnace delivery table, hot metal detector detects the signal of a steel billet disappearance to the time interval of the signal of next root steel billet appearance, and is identical with the time that the control personnel set.
Data acquisition module is delivered to the PLC controller with the real-time information that collects, comprise current detector, hot metal detector and displacement transducer, current detector is for detection of whether steel is arranged on milling train, whether hot metal detector is for detection of there being steel on the discharging roller-way, displacement transducer is for detection of the step rate position.
The control that the step rate control module is accepted the PLC controller drives the step rate action, comprise proportional amplifier plate, proportioning valve, hydraulic cylinder and step rate, proportional amplifier plate one end is connected with described PLC controller, the other end is connected with described proportioning valve, be used for receiving the control signal that the PLC controller sends, thus the work of control ratio valve; Proportioning valve is connected with described hydraulic cylinder, receives the signal of proportional amplifier plate, thereby controls the work of hydraulic cylinder; The other end of hydraulic cylinder is connected with described step rate, the driving of receiving liquid cylinder pressure, thereby the action of control step beam; Described step rate is connected with described data acquisition module.
The Three-phase Induction Motor Control module comprises frequency converter and threephase asynchronous machine, and frequency converter receives the enable signal that the PLC controller transmits, and transmission feeds back signal to the PLC controller; Threephase asynchronous machine is connected with described frequency converter, receives the control signal of described frequency converter, the action of control step beam.
Automatically the tap method of work of control system of a kind of walking beam heating furnace described in the utility model, process flow diagram be as shown in Figure 2:
(1) switch unit on industrial computer arranges automatic control mode, and at setting-up time interval, setting parameter unit.
If stop production or break down, use switch unit system to be set as the hand-guided pattern, operated on operator's console by operating personnel.
(2) current detector of data acquisition module detects on milling train whether steel is arranged, if steel is arranged on milling train, and execution in step (3), if there is no steel on milling train, execution in step (5).
Whether have the method for steel be: utilize current detector to gather current of electric in the stand motor device, compare with the milling train current of tub that arranges, be milling train steel is arranged greater than electric current is set, equal to arrange electric current and be and there is no steel if detecting on milling train.
(3) furnace delivery table shuts down, and detects according to hot metal detector on furnace delivery table the tapping time interval of setting in signal that steel billet disappears and step (1) and triggers the PLC controller and move in advance step rate.
(4) detect the position of step rate, first step rate is risen, then with the step rate reach, then step rate is descended, last, step rate is retreated, complete the action of step rate.
The method that detects the position of step rate is: utilize displacement transducer to detect the position of step rate.
The driving method of step rate is: the output of proportion of utilization amplification board control ratio valve, thus the action of controlling hydraulic cylinder is big or small, thus drive the step rate action.
(5) judge according to detection signal whether steel is arranged on furnace delivery table, if steel is arranged, execution in step (6), if there is no steel, quit work.
Whether have the method for steel be: utilize hot metal detector to detect outside stove, whether the discharge roller road has steel if detecting on roller-way.
(6) threephase asynchronous machine action is remained in operation furnace delivery table, will just send milling train to, and next root steel material is rested on the interior discharging roller-way of stove, execution in step (2)
A kind of walking beam heating furnace described in the utility model control system of automatically tapping adopts man-machine conversation to make up manually operated deficiency in traditional control, and calculation function is powerful, and stability is high; Utilize the Frequency Converter Control threephase asynchronous machine can effectively control the quality of power supply of motor speed, raising electrical network; And, can different delay parameters be set according to different materials, different specifications, reduce the change of rolling mill technology and mill speed, increase output, reduce intermediate product, increase work efficiency.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (6)
1. walking beam heating furnace control system of automatically tapping, it is characterized in that, comprise industrial computer, PLC controller, data acquisition module, step rate control module and Three-phase Induction Motor Control module, wherein, described industrial computer comprises the setting parameter unit, transmit the time delay interval signal to described PLC controller, and receive the Real Time Monitoring signal of described PLC controller; Described PLC controller receives real-time information and the processing that described data acquisition unit transmits, and when judgement taps, and sends and enables control signal to described Three-phase Induction Motor Control module and step rate control module; Described step rate control module communicated data signal is to data acquisition module.
2. a kind of walking beam heating furnace according to claim 1 control system of automatically tapping, it is characterized in that, described data acquisition module comprises for detection of the current detector whether steel is arranged on milling train, for detection of the hot metal detector whether steel is arranged on the discharging roller-way with for detection of the displacement transducer of step rate position.
3. a kind of walking beam heating furnace according to claim 1 control system of automatically tapping, it is characterized in that, described step rate control module comprises proportional amplifier plate, proportioning valve, hydraulic cylinder and step rate, described proportional amplifier plate one end is connected with described PLC controller, the other end is connected with described proportioning valve, described proportioning valve is connected with the entrance point of described hydraulic cylinder, and described step rate one end is connected with the endpiece of described hydraulic cylinder, and the described step rate other end is connected with described data acquisition module.
4. a kind of walking beam heating furnace according to claim 1 control system of automatically tapping, it is characterized in that, described Three-phase Induction Motor Control module comprises frequency converter and threephase asynchronous machine, described frequency converter receives the enable signal that described PLC controller transmits, and transmission feeds back signal to described PLC controller; Described threephase asynchronous machine is connected with described frequency converter, receives the control signal of described frequency converter.
5. a kind of walking beam heating furnace according to claim 1 control system of automatically tapping, is characterized in that, described industrial computer also comprises switch unit, the switching between being used for automatically controlling and manually controlling.
6. a kind of walking beam heating furnace according to claim 1 control system of automatically tapping, is characterized in that, described industrial computer also comprises storage unit, is used for preserving Operation Log.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220668177 CN203012430U (en) | 2012-12-07 | 2012-12-07 | Automatic steel tapping control system of stepping girder type heating furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220668177 CN203012430U (en) | 2012-12-07 | 2012-12-07 | Automatic steel tapping control system of stepping girder type heating furnace |
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| CN203012430U true CN203012430U (en) | 2013-06-19 |
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| CN 201220668177 Expired - Lifetime CN203012430U (en) | 2012-12-07 | 2012-12-07 | Automatic steel tapping control system of stepping girder type heating furnace |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019150A (en) * | 2012-12-07 | 2013-04-03 | 江苏永钢集团有限公司 | Walking beam type heating furnace automatic steel tapping control system and control method thereof |
| CN103909101A (en) * | 2014-04-01 | 2014-07-09 | 首钢京唐钢铁联合有限责任公司 | Fast-spaced steel tapping method and fast-spaced steel tapping device |
| CN104090580A (en) * | 2013-12-30 | 2014-10-08 | 马钢(集团)控股有限公司 | Translation control system and method for feeding arm of heating furnace |
| CN107497851A (en) * | 2017-09-14 | 2017-12-22 | 首钢京唐钢铁联合有限责任公司 | The operating method of steel is wanted in a kind of hot rolling automatically |
| CN109396195A (en) * | 2018-11-13 | 2019-03-01 | 四川德胜集团钒钛有限公司 | Anti-seismic steel bar identifies prompt drop control system and control method end to end |
| CN109471406A (en) * | 2018-12-17 | 2019-03-15 | 石家庄鹏远自动化工程技术有限公司 | Sloping hearth furnace takes off steel machine automatically |
| CN112718880A (en) * | 2020-12-14 | 2021-04-30 | 江苏沙钢集团有限公司 | Tapping temperature control system of rod and wire heating furnace and operation method thereof |
-
2012
- 2012-12-07 CN CN 201220668177 patent/CN203012430U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019150A (en) * | 2012-12-07 | 2013-04-03 | 江苏永钢集团有限公司 | Walking beam type heating furnace automatic steel tapping control system and control method thereof |
| CN103019150B (en) * | 2012-12-07 | 2014-04-23 | 江苏永钢集团有限公司 | Walking beam type heating furnace automatic steel tapping control method |
| CN104090580A (en) * | 2013-12-30 | 2014-10-08 | 马钢(集团)控股有限公司 | Translation control system and method for feeding arm of heating furnace |
| CN104090580B (en) * | 2013-12-30 | 2016-09-14 | 马钢(集团)控股有限公司 | The translation control system of furnace charge arm and method |
| CN103909101A (en) * | 2014-04-01 | 2014-07-09 | 首钢京唐钢铁联合有限责任公司 | Fast-spaced steel tapping method and fast-spaced steel tapping device |
| CN103909101B (en) * | 2014-04-01 | 2016-03-02 | 首钢京唐钢铁联合有限责任公司 | A kind of fast pace tapping method and device |
| CN107497851A (en) * | 2017-09-14 | 2017-12-22 | 首钢京唐钢铁联合有限责任公司 | The operating method of steel is wanted in a kind of hot rolling automatically |
| CN107497851B (en) * | 2017-09-14 | 2019-06-14 | 首钢京唐钢铁联合有限责任公司 | The operating method of steel is wanted in a kind of hot rolling automatically |
| CN109396195A (en) * | 2018-11-13 | 2019-03-01 | 四川德胜集团钒钛有限公司 | Anti-seismic steel bar identifies prompt drop control system and control method end to end |
| 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 |
| CN109471406A (en) * | 2018-12-17 | 2019-03-15 | 石家庄鹏远自动化工程技术有限公司 | Sloping hearth furnace takes off steel machine automatically |
| CN109471406B (en) * | 2018-12-17 | 2024-02-06 | 石家庄鹏远自动化工程技术有限公司 | Automatic steel scraping machine for inclined bottom furnace |
| CN112718880A (en) * | 2020-12-14 | 2021-04-30 | 江苏沙钢集团有限公司 | Tapping temperature control system of rod and wire heating furnace and operation method thereof |
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Granted publication date: 20130619 |
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| CX01 | Expiry of patent term |