CN102591305B - Furnace top information collecting system of blast furnace based on field bus and information collecting method thereof - Google Patents
Furnace top information collecting system of blast furnace based on field bus and information collecting method thereof Download PDFInfo
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- CN102591305B CN102591305B CN201210059047.6A CN201210059047A CN102591305B CN 102591305 B CN102591305 B CN 102591305B CN 201210059047 A CN201210059047 A CN 201210059047A CN 102591305 B CN102591305 B CN 102591305B
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Abstract
The invention discloses a furnace top information collecting system of a blast furnace based on a field bus and an information collecting method of the furnace top information collecting system of the blast furnace, which belong to the field of automatic control in iron-making. The information collecting system provided by the invention comprises an upper computer, a data collecting unit, a processing unit and an executing unit. The upper computer, the data collecting unit, the processing unit and the executing unit are connected orderly. The data collecting unit connects the information collecting points at the furnace top of the blast furnace through the field bus and transmits the collected information to the processing unit finally. The information collecting points at the furnace top of the blast furnace comprise a material distributing device, a stock rod and a valve system. The system and method of the invention simplify the structural mode of current information collection. With a field bus connecting a plurality of devices, connecting cables and costs for installation and maintenance are saved. Meanwhile, the system avoids signal blockage caused by gathering of hundreds of detection signals of detection points and control points at the inlet of the control system, thereby increasing the reliability of the system.
Description
Technical field
The invention belongs to ironmaking automation control area, more particularly, relate to a kind of blast furnace roof data acquisition system (DAS) and information collecting method thereof of blast furnace roof Basic automation level.
Background technology
Blast furnace roof system is the important ingredient of blast furnace process system, and the duty of furnace top system directly affects the stability of conditions of blast furnace, and affects blast furnace production target.In the distributing mode of blast furnace, stove, lose the accuracy that the states such as material and hanging all depend on furnace top equipment input.
In blast furnace roof automated system, working condition Special complex, equipment region disperses multiple spot multiaspect, has caused electric-automation control system failure rate high, the shortcoming that maintenance is large; And on-site signal dispersion, the feature that distributed areas are wide, valve is many, coal gas region is inflammable and explosive; Some signal distance control center reaches 200-300m, affects effect and the accuracy of signal transmission.
At present, existing blast furnace roof information acquisition system adopts man-to-man equipment wiring mostly, by the simulating signal of voltage, electric current, measure control, or adopt enclosed Distributed Control System (DCS), information is directly transferred to control center, is difficult to realize the message exchange between equipment and between system and the external world.Meanwhile, Information Monitoring is pooled to the porch of control system in a large number, and the signal blockage easily causing affects the accuracy of signal transmission.
Fieldbus Based information acquisition system arises at the historic moment under the driving of this actual demand.Fieldbus becomes the control of single dispersion, measuring equipment into network node, take fieldbus as tie, connects into can communicate with each other information, the network system that jointly completes automatic control task and control system.PROFIBUS-DP is a kind of high speed fieldbus cheaply, and for communicating by letter of device level control system and distributing I/O, transmission range can reach 1.2km, adds incoming trunk and can extend to 10km.Can meet the connection requirement between each signal of furnace roof region.
Chinese Patent Application No. 201010584909.8, applying date 2010.12.02, patent name: field bus system, the field bus system of this invention can be verified the legitimacy of downloaded update software before activate/nonactivated switching.The 1st storage area (M1) and the 2nd storage area (M2) are set in controller, using the 1st storage area (M1) as the storage area activating, making to upgrade front software S1 is stored in wherein, using the 2nd storage area (M2) as nonactivated storage area, make to be loaded in wherein under update software S2.Simulated experiment adopts the update software S2 being downloaded to control and carry out simulated experiment the operation of field apparatus with microprocessor.The executing state of this simulated experiment can be monitored by main frame.When the result of determination of the executing state of simulated experiment is " good ", operator sends the instruction of activation to controller.Thus, can activate/nonactivated switching of controller.This patent has solved by the correlation technique means such as 2 storage areas are set the problem of how update software being verified dexterously, but, for how maturely field bus technique being applied to blast furnace roof information acquisition process, carry out scene reasonably route bus but cannot directly from the document, obtain.In sum, for how, by fieldbus, improve the accuracy rate of blast furnace roof information acquisition and the problem document of reliability still cannot provide clear and definite solution.
Summary of the invention
the problem to be solved in the present invention
Complicated for the working condition existing in prior art blast furnace roof automated system, field signal acquisition process complexity and the low problem of signals collecting accuracy rate, a kind of Fieldbus Based blast furnace roof information acquisition system and information collecting method thereof are provided in the present invention, can in Centralized Control System, merge the technology of fieldbus, realize decentralised control thoroughly, it can improve the accuracy of Detection & Controling, reduce and transmit error, improve the reliability of acquisition system, reduce the difficulty of line arrangement and the complicacy of construction.
technical scheme
Above object of the present invention is achieved through the following technical solutions:
Fieldbus Based blast furnace roof information acquisition system of the present invention, it comprises host computer, data acquisition unit, processing unit and performance element, described host computer, data acquisition unit, processing unit and performance element are connected successively, described data acquisition unit by fieldbus, each information gathering point of blast furnace roof is coupled together and the most at last institute's Information Monitoring transfer to processing unit; Each information gathering point of described blast furnace roof comprises apparatus for distributing, stock rod and valve system.
Described performance element comprises apparatus for distributing performance element, stock rod performance element and valve system performance element, the described output terminal of apparatus for distributing performance element and the apparatus for distributing of blast furnace top equipment are connected, the described output terminal of stock rod performance element and the stock rod of blast furnace top equipment are connected, and the described output terminal of valve system performance element and the valve system of blast furnace top equipment are connected.
Fieldbus in data acquisition unit also comprises failure diagnosis unit and simulation unit, the output termination processing unit of described failure diagnosis unit, the bus diagnostic function that described failure diagnosis unit adopts the field module of fieldbus to provide, described simulation unit output termination performance element.
It is central processing unit that described processing unit adopts XGR-CPU H/T, is the reliability of Guarantee control system, and described central processing unit adopts CPU redundancy, power supply redundancy and network redundancy.
Described failure diagnosis unit adopts the diagnostic function of Tours gram field module to realize.
Described fieldbus adopts Profibus-DP field bus system.
The information collecting method of Fieldbus Based blast furnace roof information acquisition system of the present invention, the steps include:
1) running status of the distributor chute of data acquisition unit Real-time Collection apparatus for distributing, stock rod and valve system, signal is sent to host computer and shows;
2) processing unit receives the signal that data acquisition unit transmits, calculate relatively judgement, produce the signal of the control of valve position signal of valve system, the distributor chute inclination angle angle of the conditioning signal of material flow gate, apparatus for distributing and the signal of position of rotation and the lifting of stock rod or decline;
3) performance element receives the signal from simulation unit and processing unit, control the operation of each equipment: valve system performance element, control material loading gate and valve, upper-lower seal valve and all switchings of each valve of purge valve, regulate the aperture of material flow gate, adjust the state of medium system valve; Apparatus for distributing performance element, distributor chute inclination angle angle and the position of rotation of adjusting apparatus for distributing, to complete the distributing mode of setting; Stock rod performance element is controlled lifting and the decline of stock rod, completes the detection of stock line in the furnace;
4) failure diagnosis unit is by Tours gram field module, realize the configuration of field module, complete the distribution of its logical address, and the setting of bus protocol mode and speed, the status word that completes all I/O modules in bus, transfers to processing unit by fieldbus by testing result;
5) simulation unit is connected to the fieldbus in data acquisition unit, receives various valve position signals, and compares with setting value, the alerting signal that produces analog control signal and report to the police for picture, and signal is reached to performance element.
beneficial effect
Than prior art, the invention has the advantages that:
(1) feature of technical scheme of the present invention is by fieldbus, to gather the status information of each equipment of furnace roof, by bus form, reach processing unit, by control module, control again the action of roof material distributing equipment, stock rod and valve system, the method has been simplified the tactic pattern of existing blast furnace roof information acquisition, with a fieldbus, articulate a plurality of equipment, saved stube cable and various installation and maintenance expense; The signal blockage that cause in the entrance place of simultaneously avoiding the detection signal at hundreds of check points and reference mark to be pooled to control system, has increased the reliability of system;
(2) the field module collection of fieldbus is scattered in on-the-spot signal everywhere, reduced the quantity of transmitter, isolator, functional unit and the complicated wiring thereof such as the signal condition also no longer needing, conversion, isolation technology, saved hardware investment, correspondingly reduced the floor area of pulpit, particularly for the detection signal that directly has influence on cloth accuracy, as scrambler, adopt bus connection mode, changed transmission medium, improved the degree of accuracy of signal;
(3) simulation unit of the present invention adopts the bus diagnostic function that the field module of fieldbus provides, can detect in real time communication state and the communication speed of Information Monitoring point, timely discovering network blockage, monitor for faults alarm condition, the time that can effectively improve breakdown repair;
(4) technical scheme of the present invention has been avoided the cable laying of a large amount of point-to-points, has reduced the difficulty of line arrangement and the complicacy of construction; Reduce and transmit error, the reliability and the accuracy that improve acquisition system; Be applicable to the severe industry spot of various environment.
Accompanying drawing explanation
Fig. 1 is system structural framework figure of the present invention;
Fig. 2 is the modular structure figure of performance element of the present invention.
In figure: 1. data acquisition unit; 2. processing unit; 3. performance element; 31. apparatus for distributing performance elements; 32. stock rod performance elements; 33. valve system performance elements; 4. failure diagnosis unit; 5. simulation unit; 6. host computer; 7. apparatus for distributing; 8. stock rod; 9. valve system.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, further illustrate technical scheme of the present invention.
In conjunction with Fig. 1, Fieldbus Based blast furnace roof information acquisition system of the present invention, it comprises host computer 6, data acquisition unit 1, processing unit 2 and performance element 3, described host computer 6, data acquisition unit 1, processing unit 2 and performance element 3 are connected successively, described data acquisition unit 1 by fieldbus, each information gathering point of blast furnace roof is coupled together and the most at last institute's Information Monitoring transfer to processing unit; Each information gathering point of described blast furnace roof comprises apparatus for distributing 7, stock rod 8 and valve system 9.Fieldbus in data acquisition unit 1 also comprises failure diagnosis unit 4 and simulation unit 5, the output termination processing unit of described failure diagnosis unit 4, the bus diagnostic function that described failure diagnosis unit 4 adopts the field module of fieldbus to provide, adopt the diagnostic function of Tours gram field module to realize, described simulation unit 5 output termination performance elements 3.It is central processing unit that described processing unit 2 adopts XGR-CPU H/T, and described central processing unit adopts CPU redundancy, power supply redundancy and network redundancy.Described fieldbus adopts Profibus-DP field bus system.
As Fig. 2, described performance element 3 comprises apparatus for distributing performance element 31, stock rod performance element 32 and valve system performance element 33, the described output terminal of apparatus for distributing performance element 31 and the apparatus for distributing of blast furnace top equipment 7 are connected, the described output terminal of stock rod performance element 32 and the stock rod of blast furnace top equipment 8 are connected, and the described output terminal of valve system performance element 33 and the valve system of blast furnace top equipment 9 are connected.
The information collecting method of Fieldbus Based blast furnace roof information acquisition system of the present invention, the steps include:
1) running status of the distributor chute of data acquisition unit 1 Real-time Collection apparatus for distributing 7, stock rod 8 and valve system 9, signal is sent to host computer 6 and shows;
2) processing unit 2 receives the signal that data acquisition unit 1 transmits, calculate relatively judgement, produce the control of valve position signal of valve system 9, the signal of the conditioning signal of material flow gate, distributor chute inclination angle angle and position of rotation and the lifting of stock rod 8 or the signal of decline;
3) signal that performance element 3 receives from simulation unit 5 and processing unit 2, control the operation of each equipment: valve system performance element 33, control material loading gate and valve, upper-lower seal valve and all switchings of each valve of purge valve, regulate the aperture of material flow gate, adjust the state of medium system valve; Apparatus for distributing performance element 31, regulates distributor chute inclination angle angle and position of rotation, to complete the distributing mode of setting; Stock rod performance element 32 is controlled lifting and the decline of stock rod 8, completes the detection of stock line in the furnace;
4) failure diagnosis unit 4 is by Tours gram field module, realize the configuration of field module, complete the distribution of its logical address, and the setting of bus protocol mode and speed, complete the status word of all I/O modules in bus, by fieldbus, testing result is transferred to processing unit 2;
5) simulation unit 5 is connected to the fieldbus in data acquisition unit 1, receives various valve position signals, and compares with setting value, the alerting signal that produces analog control signal and report to the police for picture, and signal is reached to performance element 3.
embodiment 1
Fieldbus Based blast furnace roof information acquisition system of the present invention, it comprises host computer 6, data acquisition unit 1, processing unit 2 and performance element 3, described host computer 6, data acquisition unit 1, processing unit 2 and performance element 3 are connected successively, described data acquisition unit 1 by fieldbus, each information gathering point of blast furnace roof is coupled together and the most at last institute's Information Monitoring transfer to processing unit; Each information gathering point of described blast furnace roof comprises apparatus for distributing 7, stock rod 8 and valve system 9.
Described performance element 3 comprises apparatus for distributing performance element 31, stock rod performance element 32 and valve system performance element 33, the described output terminal of apparatus for distributing performance element 31 and the apparatus for distributing of blast furnace top equipment 7 are connected, the described output terminal of stock rod performance element 32 and the stock rod of blast furnace top equipment 8 are connected, and the described output terminal of valve system performance element 33 and the valve system of blast furnace top equipment 9 are connected.
Fieldbus in data acquisition unit 1 also comprises failure diagnosis unit 4 and simulation unit 5, the output termination processing unit 2 of described failure diagnosis unit 4, the bus diagnostic function that described failure diagnosis unit 4 adopts the field module of fieldbus to provide, the diagnostic function of Tours gram field module is realized.Described simulation unit 5 output termination performance elements 3.
It is central processing unit that described processing unit 2 adopts XGR-CPU H/T, and described central processing unit adopts CPU redundancy, power supply redundancy and network redundancy.Fieldbus adopts Profibus-DP field bus system.
For the fieldbus in data acquisition unit 1, adopt in the present embodiment the signals collecting mode of following four kinds of patterns to lay:
Pattern one, local extension frame is set, adopt one to one the distributor chute of hardwire pattern Real-time Collection apparatus for distributing 7, the ready signal of stock rod 8 is sent to local extension frame, extension frame transmits processing unit 2 by XGR-DBSFCEP communication module by the state of Information Monitoring;
Pattern two, arranges field module, and Real-time Collection valve system 9 valve position signals, furnace roof oil pumping system information, furnace roof tank pressure signal and top airtight box temperature and pressure signal, be sent to processing unit 2 by module bus interface;
Pattern three, arranges XGL-PMEA communication module, adopts Profibus-DP fieldbus to connect, by the distributor chute of gearing CP address card interface Cloth Collection equipment and the status signal of stock rod 8 gearings;
Pattern four, arranges XGL-PMEA communication module, and employing Profibus-DP fieldbus is connected to the bus interface of scrambler, gathers the signals such as material level of material flow gate aperture, distributor chute position of rotation and inclination angle angle and stock rod 8.
For above-mentioned Fieldbus Based blast furnace roof information acquisition system, blast furnace roof information collecting method of the present invention, the steps include:
1) running status of the distributor chute of data acquisition unit 1 Real-time Collection apparatus for distributing 7, stock rod 8 and valve system 9, signal is sent to host computer 6 and shows;
2) processing unit 2, and the control system of a set of redundancy is set, and central processing unit is selected XGR-CPU H/T; Processing unit 2 receives the information of data acquisition unit 1, calculates relatively judgement, produces the control of valve position signal of valve system 9, the signal of the conditioning signal of material flow gate, distributor chute inclination angle and position of rotation and the lifting of stock rod 8 or the signal of decline;
3) performance element 3, input end is connected to the output terminal of simulation unit 5 and processing unit 2, reception is from the various signals of simulation unit 5 and processing unit 2, control the operation of each equipment: valve system performance element 33, control the switching of the valves such as material loading gate and valve, upper-lower seal valve and equal purge valve, regulate the aperture of material flow gate, adjust the state of medium system valve; Apparatus for distributing performance element 31, receives signal, regulates distributor chute inclination angle angle and position of rotation, to complete the distributing mode of setting; Stock rod performance element 32 receives signal, controls lifting and the decline of stock rod 8, completes the detection of stock line in the furnace;
4) failure diagnosis unit 4, adopt XG5000 programming software, by the GSD file of Tours gram field module configuration, realize the configuration of field module, complete the distribution of its logical address and the setting of bus protocol mode and speed, complete the status word of all I/O modules in bus.By fieldbus, testing result is transferred to processing unit 2; It is the Turck module of IP67 that field module is selected degree of protection, to meet on-the-spot rugged environment; Transmission medium adopts Profibus-DP shielded cable; And according to the distance of distance, repeater is set, to guarantee the reliability of signal transmission;
5) simulation unit 5, be connected to the fieldbus in data acquisition unit 1, receive various valve position signals, and compare with setting value, the alerting signal that produces analog control signal and report to the police for picture, and signal is reached to performance element 3, guaranteeing, under the prerequisite that blast furnace safety is produced, to guarantee the normal work of furnace top equipment.As analog blast furnace monocycle or polycyclic distributing pattern, simulation blanking state.
Fieldbus Based distributed control system tactic pattern in present case, equipment itself can complete the basic function of automatic control, makes fieldbus form a kind of architecture of new full distributed control system.Fundamentally change the Distributed Control System (DCS) system that the existing control system centralization and decentralization of blast furnace roof information acquisition combine, simplified system architecture, improved reliability.
Below schematically the present invention and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the invention aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection scope of the present invention.
Claims (6)
1. Fieldbus Based blast furnace roof information acquisition system, it comprises host computer (6), data acquisition unit (1), processing unit (2) and performance element (3), described host computer (6), data acquisition unit (1), processing unit (2) and performance element (3) are connected successively, it is characterized in that, described data acquisition unit (1) by fieldbus, each information gathering point of blast furnace roof is coupled together and the most at last institute's Information Monitoring transfer to processing unit (2); Each information gathering point of described blast furnace roof comprises apparatus for distributing (7), stock rod (8) and valve system (9);
Described performance element (3) comprises apparatus for distributing performance element (31), stock rod performance element (32) and valve system performance element (33), the output terminal of described apparatus for distributing performance element (31) is connected with the apparatus for distributing (7) of blast furnace top equipment, the output terminal of described stock rod performance element (32) is connected with the stock rod (8) of blast furnace top equipment, and the output terminal of described valve system performance element (33) is connected with the valve system (9) of blast furnace top equipment;
For the fieldbus in data acquisition unit (1), adopt the signals collecting mode of following four kinds of patterns to lay:
Pattern one, local extension frame is set, adopt one to one the distributor chute of hardwire pattern Real-time Collection apparatus for distributing (7), the ready signal of stock rod (8), be sent to local extension frame, extension frame transmits processing unit (2) by XGR-DBSFCEP communication module by the state of Information Monitoring;
Pattern two, arranges field module, and Real-time Collection valve system (9) valve position signal, furnace roof oil pumping system information, furnace roof tank pressure signal and top airtight box temperature and pressure signal, be sent to processing unit (2) by module bus interface;
Pattern three, arranges XGL-PMEA communication module, adopts Profibus-DP fieldbus to connect, by the distributor chute of gearing CP address card interface Cloth Collection equipment and the status signal of stock rod (8) gearing;
Pattern four, arranges XGL-PMEA communication module, and employing Profibus-DP fieldbus is connected to the bus interface of scrambler, gathers the material level signal of material flow gate aperture, distributor chute position of rotation and inclination angle angle and stock rod (8).
2. Fieldbus Based blast furnace roof information acquisition system according to claim 1, it is characterized in that, fieldbus in data acquisition unit (1) also comprises failure diagnosis unit (4) and simulation unit (5), the output termination processing unit (2) of described failure diagnosis unit (4), the bus diagnostic function that described failure diagnosis unit (4) adopts the field module of fieldbus to provide, described simulation unit (5) output termination performance element (3).
3. Fieldbus Based blast furnace roof information acquisition system according to claim 2, it is characterized in that, it is central processing unit that described processing unit (2) adopts XGR-CPU H/T, and described central processing unit adopts CPU redundancy, power supply redundancy and network redundancy.
4. Fieldbus Based blast furnace roof information acquisition system according to claim 3, is characterized in that, described failure diagnosis unit (4) adopts the diagnostic function of Tours gram field module to realize.
5. Fieldbus Based blast furnace roof information acquisition system according to claim 4, is characterized in that, described fieldbus adopts Profibus-DP field bus system.
6. an information collecting method for Fieldbus Based blast furnace roof information acquisition system as claimed in claim 1, the steps include:
1) running status of the distributor chute of data acquisition unit (1) Real-time Collection apparatus for distributing (7), stock rod (8) and valve system (9), signal is sent to host computer (6) and shows;
2) processing unit (2) receives the signal that data acquisition unit (1) transmits, calculate relatively judgement, produce the control of valve position signal of valve system (9), conditioning signal, the distributor chute inclination angle angle of apparatus for distributing (7) and the signal of position of rotation and the lifting of stock rod (8) or the signal of decline of material flow gate;
3) performance element (3) receives the signal from simulation unit (5) and processing unit (2), control the operation of each equipment: valve system performance element (33) is controlled material loading gate and valve, upper-lower seal valve and all switchings of each valve of purge valve, regulate the aperture of material flow gate, adjust the state of medium system valve; Apparatus for distributing performance element (31), distributor chute inclination angle angle and the position of rotation of adjusting apparatus for distributing (7), to complete the distributing mode of setting; Stock rod performance element (32) is controlled lifting and the decline of stock rod (8), completes the detection of stock line in the furnace;
4) failure diagnosis unit (4) is by Tours gram field module, realize the configuration of field module, complete the distribution of its logical address and the setting of bus protocol mode and speed, complete the status word of all I/O modules in bus, by fieldbus, testing result is transferred to processing unit (2);
5) simulation unit (5) is connected to the fieldbus in data acquisition unit (1), receive various valve position signals, and compare with setting value, the alerting signal that produces analog control signal and report to the police for picture, and signal is reached to performance element (3).
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| CN201210059047.6A CN102591305B (en) | 2012-03-08 | 2012-03-08 | Furnace top information collecting system of blast furnace based on field bus and information collecting method thereof |
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| CN104090557B (en) * | 2014-07-14 | 2017-04-05 | 安徽马钢工程技术集团有限公司 | A kind of decarbonizing furnace information system and its control method based on fieldbus element |
| CN106647663B (en) * | 2016-12-23 | 2023-07-28 | 天津市三特电子有限公司 | Intelligent production control system for disc pelletizing and control method thereof |
| CN111027227B (en) * | 2019-12-25 | 2023-09-26 | 北京金恒博远科技股份有限公司 | Dynamic simulation system and method for hot blast stove and electronic equipment |
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| 付红梅.现场总线在高炉自动化控制系统中的研究.《自动化与仪表》.2006,(第6期),36-39. * |
| 明星逢.高炉自动化系统技术方案.《百度文库》.2011,1-12. * |
| 现场总线在高炉自动化控制系统中的研究;付红梅;《自动化与仪表》;20060630(第6期);36-39 * |
| 高炉自动化系统技术方案;明星逢;《百度文库》;20111031;1-12 * |
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