CN102591305A - 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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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 the ironmaking automation control area, more particularly, the State of Blast Furnace that relates to a kind of blast furnace furnace roof basic automatization level is served as a fill-in according to acquisition system and information collecting method thereof.
Background technology
The blast furnace furnace top 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 influences the blast furnace production target.The states such as material and hanging that lose in the distributing mode of blast furnace, the stove all depend on the accuracy that the furnace roof device signal detects.
In blast furnace furnace roof automated system, the special complicacy of working condition, the equipment region disperses the multiple spot multiaspect, has caused electric automatization control system failure rate high, the shortcoming that maintenance is big; And the on-site signal dispersion, distributed areas are wide, valve is many, the regional inflammable and explosive characteristics of coal gas; Some signal distance control center reaches 200-300m, influences the effect and the accuracy of signal transmission.
At present; Existing blast furnace furnace roof information acquisition system adopts man-to-man equipment wiring mostly; Simulating signal with voltage, electric current is measured control; Or adopt enclosed Distributed Control System (DCS), and information directly is transferred to control center, be difficult between the realization equipment and the message exchange between the system and the external world.Simultaneously, Information Monitoring is pooled to the porch of control system in a large number, and the signal blockage that is prone to cause influences the accuracy of transmission signals.
Fieldbus Based information acquisition system arises at the historic moment under the driving of this actual demand.Fieldbus becomes network node to the control of single dispersion, measuring equipment, is tie with the fieldbus, connects into the information of can communicating with each other, accomplishes the network system and the control system of automatic control task jointly.PROFIBUS-DP is a kind of high speed fieldbus cheaply, is used for communicating by letter of device level control system and distributing I/O, and transmission range can reach 1.2km, adds incoming trunk and can extend to 10km.Can satisfy the connection requirement between each signal of furnace roof zone.
One Chinese patent application numbers 201010584909.8, applying date 2010.12.02, patent name: field bus system, the field bus system of this invention can activate/nonactivated switching before the legitimacy of the update software downloaded of checking.The 1st storage area (M1) and the 2nd storage area (M2) are set in controller; With the storage area of the 1st storage area (M1) as activation; Software S1 is stored in wherein before make upgrading, and the 2nd storage area (M2) as nonactivated storage area, is made to be stated from wherein under the update software S2.Simulated experiment adopts the update software S2 that is downloaded that simulated experiment is carried out in the operation control 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 was " very ", the operator sent the instruction of activation to controller.Thus, controller can activate/nonactivated switching.This patent has solved the problem of how update software being verified dexterously through 2 correlation technique means such as storage area are set; But, for how maturely with field bus technique apply to blast furnace furnace roof information acquisition process, carry out the scene reasonably route bus but can't directly from the document, obtain.In sum, the accuracy rate and the reliability problems document that improve the information acquisition of blast furnace furnace roof for how through fieldbus still can't provide clear and definite solution.
Summary of the invention
The problem that the present invention will solve
Complicated to the working condition that exists in the prior art blast furnace furnace roof automated system; Field signal acquisition process complicacy and the low problem of signals collecting accuracy rate; A kind of Fieldbus Based blast furnace furnace roof information acquisition system and information collecting method thereof are provided among the present invention, can in Centralized Control System, have merged the technology of fieldbus, realized decentralised control completely; 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 purpose of the present invention realizes through following technical scheme:
Fieldbus Based blast furnace 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 through fieldbus each information gathering point of blast furnace furnace roof is coupled together and the most at last institute's Information Monitoring transfer to processing unit; Described each information gathering point of blast furnace 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 output terminal of described apparatus for distributing performance element is connected with the apparatus for distributing of blast furnace furnace roof equipment; The output terminal of described stock rod performance element is connected with the stock rod of blast furnace furnace roof equipment, and the output terminal of described valve system performance element is connected with the valve system of blast furnace furnace roof equipment.
Fieldbus in the 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 said failure diagnosis unit adopts the field module of fieldbus to provide, described simulation unit output termination performance element.
It is central processing unit that said processing unit adopts XGR-CPU H/T, and for guaranteeing the reliability of control system, 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 the Profibus-DP field bus system.
The information collecting method of Fieldbus Based blast furnace furnace roof information acquisition system of the present invention the steps include:
1) running status of distributor chute, stock rod and the valve system of the real-time Cloth Collection equipment of data acquisition unit, signal are sent to host computer and show;
2) processing unit receives the signal that data acquisition unit transmits; Calculate relatively and judge, produce valve position control signal, the conditioning signal of material flow gate, the distributor chute inclination angle angle of apparatus for distributing and signal and the lifting of stock rod or the signal of decline of position of rotation of valve system;
3) performance element receives the signal from simulation unit and processing unit; Control the operation of each equipment: the valve system performance element; The switching of control material loading gate and valve, upper-lower seal valve and equal each valve of purge valve, the aperture of regulating material flow gate, the state of adjustment medium system valve; The apparatus for distributing performance element, the distributor chute inclination angle angle and the position of rotation of adjusting apparatus for distributing are to accomplish the distributing mode of setting; The detection of stock line in the furnace is accomplished in the lifting and the decline of stock rod performance element control stock rod;
4) failure diagnosis unit is through Tours gram field module; Realize the configuration of field module, accomplish the distribution of its logical address, and the setting of bus protocol mode and speed; Accomplish the status word of all I/O modules on the bus, testing result is transferred to processing unit through fieldbus;
5) simulation unit is connected to the fieldbus in the data acquisition unit, receives various valve position signals, and compares with setting value, produces analog control signal and supplies the alerting signal of picture warning, and signal is reached performance element.
Beneficial effect
Than prior art, the invention has the advantages that:
(1) characteristics of technical scheme of the present invention are the status informations of gathering each equipment of furnace roof through fieldbus; Reach processing unit through bus form; Control the action of roof material distributing equipment, stock rod and valve system again through control module; This method has been simplified the tactic pattern of existing blast furnace furnace roof information acquisition, articulates a plurality of equipment with a fieldbus, has practiced thrift stube cable and various installation and maintenance expense; The signal blockage that cause in the inlet place of avoiding the detection signal at hundreds of check points and reference mark to be pooled to control system has simultaneously increased the reliability of system;
(2) the field module collection of fieldbus is scattered in on-the-spot signal everywhere, has reduced the quantity of transmitter, isolator, functional unit and complicated wiring thereof such as the signal condition that also no longer needs, conversion, isolation technology; Saved hardware investment, correspondingly reduced the floor area of pulpit, particularly for the detection signal that directly has influence on the cloth accuracy; Like scrambler; Adopt the 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 the communication state and the communication speed of Information Monitoring point in real time; In time find network blockage situation, monitor for faults alarm condition, the time that can improve breakdown repair effectively;
(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 fit to the abominable industry spot of various environment.
Description of drawings
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.
Among the figure: 1. data acquisition unit; 2. processing unit; 3. performance element; 31. apparatus for distributing performance element; 32. stock rod performance element; 33. valve system performance element; 4. failure diagnosis unit; 5. simulation unit; 6. host computer; 7. apparatus for distributing; 8. stock rod; 9. valve system.
Embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and concrete embodiment.
In conjunction with Fig. 1; Fieldbus Based blast furnace 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 are connected with performance element 3 successively, described data acquisition unit 1 through fieldbus each information gathering point of blast furnace furnace roof is coupled together and the most at last institute's Information Monitoring transfer to processing unit; Described each information gathering point of blast furnace furnace roof comprises apparatus for distributing 7, stock rod 8 and valve system 9.Fieldbus in the 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 said failure diagnosis unit 4 adopts the field module of fieldbus to provide; Promptly 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 said 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 the Profibus-DP field bus system.
Like 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 output terminal of described apparatus for distributing performance element 31 is connected with the apparatus for distributing 7 of blast furnace furnace roof equipment; The output terminal of described stock rod performance element 32 is connected with the stock rod 8 of blast furnace furnace roof equipment, and the output terminal of described valve system performance element 33 is connected with the valve system 9 of blast furnace furnace roof equipment.
The information collecting method of Fieldbus Based blast furnace furnace roof information acquisition system of the present invention the steps include:
1) running status of distributor chute, stock rod 8 and the valve system 9 of data acquisition unit 1 real-time Cloth Collection equipment 7, signal are sent to host computer 6 and show;
2) processing unit 2 receives the signal that data acquisition unit 1 transmits; Calculate relatively and judge, signal and the lifting of stock rod 8 or the signal of decline of the valve position control signal of generation valve system 9, conditioning signal, distributor chute inclination angle angle and the position of rotation 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; The switching of control material loading gate and valve, upper-lower seal valve and equal each valve of purge valve, the aperture of regulating material flow gate, the state of adjustment medium system valve; Apparatus for distributing performance element 31 is regulated distributor chute inclination angle angle and position of rotation, to accomplish the distributing mode of setting; The detection of stock line in the furnace is accomplished in the lifting and the decline of stock rod performance element 32 control stock rods 8;
4) failure diagnosis unit 4 is through Tours gram field module; Realize the configuration of field module, accomplish the distribution of its logical address, and the setting of bus protocol mode and speed; Accomplish the status word of all I/O modules on the bus, testing result is transferred to processing unit 2 through fieldbus;
5) simulation unit 5 is connected to the fieldbus in the data acquisition unit 1, receives various valve position signals, and compares with setting value, produces analog control signal and supplies the alerting signal of picture warning, and signal is reached performance element 3.
Embodiment 1
Fieldbus Based blast furnace 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 are connected with performance element 3 successively, described data acquisition unit 1 through fieldbus each information gathering point of blast furnace furnace roof is coupled together and the most at last institute's Information Monitoring transfer to processing unit; Described each information gathering point of blast furnace 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 furnace roof equipment; The output terminal of described stock rod performance element 32 is connected with the stock rod 8 of blast furnace furnace roof equipment, and the output terminal of described valve system performance element 33 is connected with the valve system 9 of blast furnace furnace roof equipment.
Fieldbus in the 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 said failure diagnosis unit 4 adopts the field module of fieldbus to provide, promptly 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 said processing unit 2 adopts XGR-CPU H/T, and described central processing unit adopts CPU redundancy, power supply redundancy and network redundancy.Fieldbus adopts the Profibus-DP field bus system.
Adopt the signals collecting mode of following four kinds of patterns to lay in the present embodiment for the fieldbus in the data acquisition unit 1:
Pattern one; Local extension frame is set; Adopt the distributor chute of the real-time Cloth Collection equipment 7 of hardwire pattern one to one, the ready signal of stock rod 8, be sent to local extension frame, extension frame transmits processing unit 2 through the XGR-DBSFCEP communication module with the state of Information Monitoring;
Pattern two is provided with field module, gathers the airtight oven temperature, of valve system 9 valve position signals, furnace roof oil pumping system information, furnace roof tank pressure signal and furnace roof in real time and presses signal, is sent to processing unit 2 through the module bus interface;
Pattern three is provided with the XGL-PMEA communication module, adopts the Profibus-DP fieldbus to connect, through the distributor chute of gearing CP address card interface Cloth Collection equipment and the status signal of stock rod 8 gearings;
Pattern four is provided with the XGL-PMEA communication module, and employing Profibus-DP fieldbus is connected to the EBI 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 furnace roof information acquisition system, blast furnace furnace roof information collecting method of the present invention the steps include:
1) running status of distributor chute, stock rod 8 and the valve system 9 of data acquisition unit 1 real-time Cloth Collection equipment 7, signal are sent to host computer 6 and show;
2) processing unit 2, and the redundant control system of a cover is set, and central processing unit is selected XGR-CPU H/T for use; Processing unit 2 receives the information of data acquisition unit 1, calculates relatively and judges, signal and the lifting of stock rod 8 or the signal of decline of the valve position control signal of generation valve system 9, conditioning signal, distributor chute inclination angle and the position of rotation of material flow gate;
3) performance element 3; Input end is connected to the output terminal of simulation unit 5 and processing unit 2; Reception is controlled the operation of each equipment from the various signals of simulation unit 5 and processing unit 2: valve system performance element 33, the switching of valves such as control material loading gate and valve, upper-lower seal valve and equal purge valve; Regulate the aperture of material flow gate, the state of adjustment medium system valve; Apparatus for distributing performance element 31 receives signal, regulates distributor chute inclination angle angle and position of rotation, to accomplish the distributing mode of setting; Stock rod performance element 32 receives signal, and the detection of stock line in the furnace is accomplished in the lifting and the decline of control stock rod 8;
4) failure diagnosis unit 4; Adopt the XG5000 programming software,, realize the configuration of field module through the GSD file of Tours gram field module configuration; Accomplish the distribution of its logical address and the setting of bus protocol mode and speed, accomplish the status word of all I/O modules on the bus.Through fieldbus testing result is transferred to processing unit 2; It is the Tours gram module of IP67 that field module is selected degree of protection for use, to satisfy on-the-spot rugged environment; Transmission medium adopts the Profibus-DP shielded cable; And repeater is set according to the distance of distance, to guarantee the reliability of signal transmission;
5) simulation unit 5; Be connected to the fieldbus in the data acquisition unit 1, receive various valve position signals, and compare with setting value; The alerting signal that produces analog control signal and supply picture to report to the police; And signal reached performance element 3, under the prerequisite that guarantees the blast furnace safety in production, guarantee the operate as normal of furnace roof equipment.Like analog blast furnace monocycle or polycyclic distributing pattern, simulation blanking state.
Fieldbus Based distributed control system tactic pattern in the present case, equipment itself can have been accomplished the basic function of automatic control, makes fieldbus constitute a kind of architecture of full distributed control system newly.Fundamentally change the Distributed Control System (DCS) system that the existing control system centralization and decentralization of blast furnace 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 the accompanying drawing also is one of embodiment of the present invention, and practical structure is not limited thereto.So,, under the situation that does not break away from the invention aim,, all should belong to protection scope of the present invention without creationary frame mode similar and the embodiment of designing with this technical scheme if those of ordinary skill in the art is enlightened by it.
Claims (6)
1. Fieldbus Based blast furnace 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) through fieldbus each information gathering point of blast furnace furnace roof is coupled together and the most at last institute's Information Monitoring transfer to processing unit (2); Described each information gathering point of blast furnace 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 furnace roof equipment; The output terminal of described stock rod performance element (32) is connected with the stock rod (8) of blast furnace furnace roof equipment, and the output terminal of described valve system performance element (33) is connected with the valve system (9) of blast furnace furnace roof equipment.
2. Fieldbus Based blast furnace furnace roof information acquisition system according to claim 1; It is characterized in that; Fieldbus in the 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 said 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 furnace roof information acquisition system according to claim 1 and 2; It is characterized in that; It is central processing unit that said 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 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 furnace roof information acquisition system according to claim 4 is characterized in that, described fieldbus adopts the Profibus-DP field bus system.
6. the information collecting method of Fieldbus Based blast furnace furnace roof information acquisition system the steps include:
1) running status of distributor chute, stock rod (8) and the valve system (9) of the real-time Cloth Collection equipment (7) of data acquisition unit (1), signal is sent to host computer (6) and shows;
2) processing unit (2) receives the signal that data acquisition unit (1) transmits; Calculate relatively and judge, produce valve position control signal, the conditioning signal of material flow gate, the distributor chute inclination angle angle of apparatus for distributing (7) and signal and the lifting of stock rod (8) or the signal of decline of position of rotation of valve system (9);
3) performance element (3) receives the signal from simulation unit (5) and processing unit (2); Control the operation of each equipment: the switching of valve system performance element (33) control material loading gate and valve, upper-lower seal valve and equal each valve of purge valve; Regulate the aperture of material flow gate, the state of adjustment medium system valve; Apparatus for distributing performance element (31), the distributor chute inclination angle angle and the position of rotation of adjusting apparatus for distributing (7) are to accomplish the distributing mode of setting; The detection of stock line in the furnace is accomplished in the lifting and the decline of stock rod performance element (32) control stock rod (8);
4) failure diagnosis unit (4) is through Tours gram field module; Realize the configuration of field module; Accomplish the distribution of its logical address and the setting of bus protocol mode and speed, accomplish the status word of all I/O modules on the bus, testing result is transferred to processing unit (2) through fieldbus;
5) simulation unit (5) is connected to the fieldbus in the data acquisition unit (1), receives various valve position signals, and compares with setting value, produces analog control signal and supplies the alerting signal of picture warning, and signal is reached performance element (3).
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090557A (en) * | 2014-07-14 | 2014-10-08 | 安徽马钢工程技术集团有限公司 | Decarburization furnace information system based on field bus elements and control method thereof |
| 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 |
| CN106647663A (en) * | 2016-12-23 | 2017-05-10 | 天津市三特电子有限公司 | Disc pelletizing intelligent production system and control method thereof |
| 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 |
| CN111027227A (en) * | 2019-12-25 | 2020-04-17 | 北京金恒博远科技股份有限公司 | Hot blast stove dynamic simulation system and method and electronic equipment |
| 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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| CN102591305B (en) | 2014-11-26 |
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