CN110455092A - A kind of cement firing on-line decision control system - Google Patents
A kind of cement firing on-line decision control system Download PDFInfo
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- CN110455092A CN110455092A CN201910759028.6A CN201910759028A CN110455092A CN 110455092 A CN110455092 A CN 110455092A CN 201910759028 A CN201910759028 A CN 201910759028A CN 110455092 A CN110455092 A CN 110455092A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0096—Arrangements of controlling devices involving simulation means, e.g. of the treating or charging step
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feedback Control In General (AREA)
Abstract
The invention discloses a kind of cement to be burnt into on-line decision control system, including DCS unit, in-circuit emulation unit and on-line decision control unit, the DCS unit output end is connected with reception data signal units, the reception data signal units include interface message processor (IMP) and Ke Ying platform, and the interface message processor (IMP) output end is connected with section English platform input terminal and input terminal is connected with DCS unit output end；The output end of the interface message processor (IMP) and Ke Ying platform is connected with the input terminal of input signal processing unit, section's English platform connecting pin is connected with in-circuit emulation unit, the in-circuit emulation unit includes MOD unit, OLS unit and POA unit, real-time soft measuring calculating can be carried out to system and related data transmits, and current working is judged.The present invention is realized in identical platform by calculating simulation calculation with control logic, improves data exchange and processing analysis ability, enables long-term, stable, the efficient operation of Cement Firing Control System.
Description
Technical field
The present invention relates to cement to be burnt into administrative skill field online, in particular to a kind of cement firing on-line decision control system
System.
Background technique
Nearly ten years, cement industry NSP technology in China's obtains apparent development, but overall operation situation
It is had a certain gap with international advanced cement, this gap Producing reason not only has the side such as design, device fabrication, installation
The reason of face, more mainly since business administration, technical operation level do not catch up with the variation of cement industry.At cement industry 10 years
In gold period, many other tradesmans enter cement industry, and management level is lower, and talent's inside information is weak, and many raw
It produces index and operating instruction is all to indiscriminately imitate other enterprises, there is no a set of manufacturing management system for being suitble to oneself is formed, identical
Technique under, each cement plant since raw material, equipment, the difference of environment, control method and Con trolling index are all very different,
Its production energy consumption also differs greatly.In existing cement industry, feelings that emulation, information, control technology are applied in each cement plant
Condition is not in identical platform.
Therefore, it is necessary to solve the above problems to invent a kind of cement firing on-line decision control system.
Summary of the invention
The purpose of the present invention is to provide a kind of cement be burnt into on-line decision control system, by by simulation calculation and control
Logic calculation is realized in identical platform, to improve data exchange and processing analysis ability, enables Cement Firing Control System
For a long time, stablize, efficient operation, to solve in existing cement industry, emulation, information, control technology are in each cement plant
Using the case where problem not in identical platform.
To achieve the above object, the invention provides the following technical scheme: a kind of cement is burnt into on-line decision control system, packet
DCS unit, in-circuit emulation unit and on-line decision control unit are included, the DCS unit output end is connected with reception data-signal
Unit, the reception data signal units include interface message processor (IMP) and Ke Ying platform, and the interface message processor (IMP) output end and section's English platform input
End is connected and input terminal is connected with DCS unit output end；
The output end of the interface message processor (IMP) and Ke Ying platform is connected with the input terminal of input signal processing unit, the section
English platform connecting pin is connected with in-circuit emulation unit, and the in-circuit emulation unit includes MOD unit, OLS unit and POA unit,
Real-time soft measuring calculating can be carried out to system and related data transmits, and current working is judged；
The input signal processing unit output end is connected with on-line decision control unit, wherein input signal processing is single
Member both can be with data needed for collecting control system on section's English platform, while also receiving the real-time live come from interface message processor (IMP) and acquiring number
According to, and give collected data transmission to on-line decision control unit, it is made to integrate all signals to calculate control instruction, with
And obtained data are changed into digital signal；
The on-line decision control unit output end is connected with output signal processing unit, the output signal processing unit
Output end is connected with executing agency, wherein digital signal transition can be electric signal by output signal processing unit, be controlled to go
The executing agency for making scene, makes manipulated signal reach current optimal value.
Preferably, the signal that the in-circuit emulation unit sufficiently selects representative, good reliability, maintenance small, and answer
It is solved the problems, such as with online emulation technology come the measurement of difficult point signal, meanwhile, signal, which is solved, using soft-measuring technique is difficult to directly survey
The problem of amount.
Preferably, the on-line decision control unit includes determining to the on-line decision of control parameter, the online of control program
Plan, the on-line decision control unit improve the performance of system by changing the parameter of controller, enhance the suitable of control system
Should be able to power, and the on-line decision of control program changes control program by on-line decision in real time, tackles the problem at its root.
Preferably, using emulation and control support Double tabletop AF2000, inside has real-time section's English platform
Database, it can be achieved that emulation and control data it is completely shared, meanwhile, emulation and control support Double tabletop AF2000 with
Windows2000Pro is operating system, and is run on High Performance IP C machine, has nuclear-grade security performance.
Preferably, the in-circuit emulation unit and control support are with establishing DMS2800 system on platform AF2000.
The present invention also provides a kind of control method of cement firing on-line decision control system, concrete operation steps
Are as follows:
Step 1: choosing measurement point on firing system, obtains measurement data by the interface that DCS unit provides, meanwhile,
To the data for being difficult to measure, calculated with based on the soft-measuring technique on the basis of in-circuit emulation；
Step 2: current working is calculated, judged and is analyzed according to the measurement data of input, is controlled according to on-line decision
Unit carries out the real-time adjustment and optimizing of control program and parameter, thus provides one group of real-time optimum controling strategy；
Step 3: the movement of executing agency is completed by the real-time optimum controling strategy provided in step 2.
Preferably, by developing a powerful Simulation Control with the support programs system of platform in the step 3
System, application software system and hardware system are developed including on-line decision control, interface display system, abbreviation DMS system, and use is soft
Part completes regulatory function, realizes that hand automatically switches and will control the movement of information control action to executing agency with hardware system.
Technical effect and advantage of the invention:
1, it by applying to on-line decision control technology in Cement Firing Control System, solves in manufacture of cement control
Large time delay, big inertia, close coupling and multivariable etc. control problem, and are calculated by simulation calculation and control logic in identical platform
Upper realization improves data exchange and processing analysis ability, enables long-term, stable, the efficient fortune of Cement Firing Control System
Row；
2, by designing and developing a set of special the intelligence controlling system hardware, realize on-line decision control system with it is original
DCS control system perfection grafting and seamless switching, it not only can guarantee the stable operation of two systems seamless connection, but also be able to achieve imitative
The optimization function of true system on-line decision.
Detailed description of the invention
Fig. 1 is system structure structure chart of the invention；
Fig. 2 is control principle drawing of the invention；
Fig. 3 is the manual/auto switching schematic diagram of hardware configuration of the invention；
In figure: 1 DCS unit, 2 receive data signal units, 3 in-circuit emulation units, 4 input signal processing units, 5
Line Decision Control unit, 6 output signal processing units, 7 executing agencies.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of cement as shown in Figs. 1-2 is burnt into on-line decision control system, including DCS unit 1, in-circuit emulation unit 3
With on-line decision control unit 5,1 output end of DCS unit, which is connected with, receives data signal units 2, the reception data letter
Number unit 2 includes interface message processor (IMP) and Ke Ying platform, and the interface message processor (IMP) output end is connected with section English platform input terminal and input terminal
It is connected with DCS unit output end；
The output end of the interface message processor (IMP) and Ke Ying platform is connected with the input terminal of input signal processing unit 4, described
Section's English platform connecting pin is connected with in-circuit emulation unit 3, and the in-circuit emulation unit includes MOD unit, OLS unit and POA mono-
Member can carry out real-time soft measuring calculating to system and related data transmits, and judge current working；
4 output end of input signal processing unit is connected with on-line decision control unit 5, wherein input signal processing
Unit 4 both can be with data needed for collecting control system on section's English platform, while also receiving and adopting from the real-time live that interface message processor (IMP) comes
Collect data, and give collected data transmission to on-line decision control unit, so that it is integrated all signals and refer to calculate control
It enables, and obtained data is changed into digital signal；
5 output end of on-line decision control unit is connected with output signal processing unit 6, and the output signal processing is single
First 6 output ends are connected with executing agency 7, wherein digital signal transition can be electric signal by output signal processing unit 6, be used
To go to the executing agency 7 at control scene, manipulated signal is made to reach current optimal value.
Further, in the above-mentioned technical solutions, the in-circuit emulation unit 3 sufficiently select representative, good reliability,
The small signal of maintenance, and solve the problems, such as to carry out the measurement of difficult point signal using in-circuit emulation technology, meanwhile, using soft-measuring technique
It is measured directly to solve the problems, such as that signal is difficult to.
Further, in the above-mentioned technical solutions, the on-line decision control unit 5 includes determining to the online of control parameter
The on-line decision of plan, control program, the on-line decision control unit 5 improve the property of system by changing the parameter of controller
Can, enhance the adaptability of control system, and the on-line decision of control program changes control program by on-line decision in real time, from
Fundamentally solve the problems, such as.
Further, in the above-mentioned technical solutions, section's English platform is using emulation and control support Double tabletop
AF2000, it is internal that there is real-time data base, it can be achieved that emulating and controlling the completely shared of data, meanwhile, emulation and control
Double tabletop AF2000 is supportted using windows2000Pro as operating system, and is run on High Performance IP C machine, has nuclear power level security
Performance.
Further, in the above-mentioned technical solutions, the in-circuit emulation unit 3 is built with control support on platform AF2000
Vertical DMS2800 system, to realize intelligent control, it is ensured that system parameter is controlled and is automatically engaged, meanwhile, operating condition can be carried out
Analysis in real time, and be adjusted according to the actual situation, additionally it is possible to carry out operation note and fault alarm；
The present invention also provides a kind of control method of cement firing on-line decision control system, concrete operation steps
Are as follows:
Step 1: choosing measurement point on firing system, obtains measurement data by the interface that DCS unit 1 provides, together
When, to the data for being difficult to measure, calculated with based on the soft-measuring technique on the basis of in-circuit emulation；
Step 2: current working is calculated, judged and is analyzed according to the measurement data of input, is controlled according to on-line decision
Unit 5 carries out the real-time adjustment and optimizing of control program and parameter, thus provides one group of real-time optimum controling strategy；
Step 3: the movement of executing agency 7 is completed by the real-time optimum controling strategy provided in step 2.
Further, in above-mentioned control method, pass through one powerful Simulation Control of exploitation in the step 3
With support programs system, application software system and the hardware system of platform, exploitation includes on-line decision control, interface display system
System, abbreviation DMS system complete regulatory function with software, realize hand automatic switchover with hardware system and make control information control
Use the movement of executing agency 7.
Embodiment 2:
Unlike the first embodiment, the present embodiment is the reality for the control method that cement is burnt into on-line decision control system
Using.
In actual production process, production scene high-temperature blower revolving speed is acquired using DCS unit 1, high-temperature blower enters
Damper aperture, preheater to high-temperature blower total pipeline negative pressure and temperature, preheater exit gas ingredient are (such as: CO, O2、NOX)、
The related negative pressure of at different levels of preheater and temperature, current stabilization storehouse raw material amount, to enter kiln elevator electric current, sub-material valve opening, kiln tail smoke-box negative
Pressure and temperature, kiln tail smoke-box gas componant are (such as: CO, O2、NOX), kiln revolving speed, kiln electric current, three times wind-warm syndrome and negative pressure, temperature of kiln head
Pressure, each blower electric current of grate-cooler under coal claims and deliver coal pressure, grate-cooler to comb are fed with negative pressure, kiln hood and kiln tail and are corresponding to it
Throttle opening, grate-cooler comb the signals such as speed, each section of oil pressure of grate-cooler and each parameter of kiln hood exhaust emission system, meanwhile, utilize
DCS unit 1 is from each ingredient of laboratory acquisition clinker, three ratio, f-CaO and liter signals and the local atmospheric pressure, temperature such as again
With the environmental parameters such as humidity, and the calculating of in-circuit emulation hard measurement is carried out to these data by in-circuit emulation unit 3, then will surveyed
Amount calculated value is filtered through input signal processing unit 4 plus the processing such as dead zone, deviation compensation and clipping, and it is right to connect
The calculating of characteristic quantity records and judges system mode, to find out high-temperature blower frequency, decomposition furnace outlet temperature, preheater outlet
The optimal value of negative pressure and the thermal efficiency etc., then these numerical value are conveyed to high-temperature blower controller respectively, kiln tail feeds coal controller, kiln
Head feeds coal controller, the fast controller of grate-cooler comb and kiln head exhaust fan controller can be sentenced in the process by various logic
Disconnected system state in which at this time, and call corresponding controller to be controlled according to the state, if in high-temperature blower frequency
Rate, Coaling of Decomposing Furnace, kiln hood hello coal amount, grate-cooler are combed, and the appearance of the signals such as speed and kiln head exhaust fan rate-adaptive pacemaker is open close to interrogate, greatly
When deviation, collapse material or abnormal signal, alarm can issue alarm signal, and operating personnel can pass through interface display system
Monitoring interface on system is come situations such as understanding system diagram, alarm, feedback, setting, state, trend and unit consumption, to understand water in real time
The actual conditions of mud firing production line.
Embodiment 3:
Unlike the embodiments above, the present invention also provides a kind of cement as described in Figure 3 to be burnt into on-line decision control
The hardware structure diagram of system processed firstly, the data feedback at firing system scene is accessed by DCS system, and issues section's English by OPC
Platform and decision controller, including first order hand/automatic switching signal, and can handle between section's English platform and decision controller
Some processed data swap, and when first order hand/automatic signal is manual, firing system production scene is by DCS system
System control, decision controller are in tracking mode, when first order hand/automatic signal is automatic, can be determined by host computer
Plan controller manually control (soft manual operation) and decision controller automatically control between switching, referred to as second level hand/cut automatically
It changes, at this point, firing system production scene will be controlled by decision controller by I/O module, and DCS system is then in tracking shape
State.
Above-mentioned two-stage hand grasps design, so that system is had automatic, soft manual operation and manual three kinds of operational modes, ensure that system
Safe and reliable operation.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of cement is burnt into on-line decision control system, including DCS unit (1), in-circuit emulation unit (3) and on-line decision control
Unit (5) processed, it is characterised in that: DCS unit (1) output end, which is connected with, receives data signal units (2), the reception number
Include interface message processor (IMP) and Ke Ying platform according to signal element (2), the interface message processor (IMP) output end be connected with section English platform input terminal and
Input terminal is connected with DCS unit output end；
The output end of the interface message processor (IMP) and Ke Ying platform is connected with the input terminal of input signal processing unit (4), the section
English platform connecting pin is connected with in-circuit emulation unit (3), and the in-circuit emulation unit includes MOD unit, OLS unit and POA mono-
Member can carry out real-time soft measuring calculating to system and related data transmits, and judge current working；
Input signal processing unit (4) output end is connected with on-line decision control unit (5), wherein input signal processing
Unit (4) both can be with data needed for collecting control system on section's English platform, while also receiving the real-time live come from interface message processor (IMP)
Data are acquired, and give collected data transmission to on-line decision control unit, it is made to integrate all signals to calculate control
Instruction, and obtained data are changed into digital signal；
On-line decision control unit (5) output end is connected with output signal processing unit (6), and the output signal processing is single
First (6) output end is connected with executing agency (7), wherein digital signal transition can be telecommunications by output signal processing unit (6)
Number, to go to the executing agency (7) at control scene, manipulated signal is made to reach current optimal value.
2. a kind of cement according to claim 1 is burnt into on-line decision control system, it is characterised in that: the in-circuit emulation
The signal that unit (3) sufficiently selects representative, good reliability, maintenance small, and application in-circuit emulation technology solves to carry out difficult point
The measurement problem of signal, meanwhile, it is measured directly to solve the problems, such as that signal is difficult to using soft-measuring technique.
3. a kind of cement according to claim 1 is burnt into on-line decision control system, it is characterised in that: the on-line decision
Control unit (5) includes the on-line decision of on-line decision to control parameter, control program, the on-line decision control unit
(5) improve the performance of system by changing the parameter of controller, enhance the adaptability of control system, and control program
Line decision changes control program by on-line decision in real time, tackles the problem at its root.
4. a kind of cement according to claim 1 is burnt into on-line decision control system, it is characterised in that: the section Ying Pingtai
It is internal that there is real-time data base, it can be achieved that emulation and control data using emulation and control support Double tabletop AF2000
It is completely shared, meanwhile, emulation, using windows2000Pro as operating system, and is run on control support Double tabletop AF2000
On High Performance IP C machine, has nuclear-grade security performance.
5. a kind of cement according to claim 4 is burnt into on-line decision control system, it is characterised in that: the in-circuit emulation
Unit (3) and control support are with establishing DMS2800 system on platform AF2000.
6. a kind of control method of cement firing on-line decision control system, concrete operations described in -5 according to claim 1
Step are as follows:
Step 1: choosing measurement point on firing system, obtains measurement data by the interface that DCS unit (1) provides, meanwhile,
To the data for being difficult to measure, calculated with based on the soft-measuring technique on the basis of in-circuit emulation；
Step 2: current working is calculated, judged and is analyzed according to the measurement data of input, according to on-line decision control unit
(5) the real-time adjustment and optimizing for carrying out control program and parameter, thus provide one group of real-time optimum controling strategy；
Step 3: the movement of executing agency is completed by the real-time optimum controling strategy provided in step 2.
7. a kind of control method of cement firing on-line decision control system according to claim 6, it is characterised in that: institute
It states in step 3 through one powerful Simulation Control of exploitation with the support programs system of platform, application software system and hard
Part system, exploitation include on-line decision control, interface display system, and abbreviation DMS system completes regulatory function with software, with hard
Part system realizes that hand automatically switches and will control the movement of information control action to executing agency (7).
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Application publication date: 20191115 |