CN107203193A - A kind of recovery of chemical products Intelligent Process Control system - Google Patents
A kind of recovery of chemical products Intelligent Process Control system Download PDFInfo
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- CN107203193A CN107203193A CN201710532272.XA CN201710532272A CN107203193A CN 107203193 A CN107203193 A CN 107203193A CN 201710532272 A CN201710532272 A CN 201710532272A CN 107203193 A CN107203193 A CN 107203193A
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- 238000011084 recovery Methods 0.000 title claims abstract description 46
- 239000000126 substance Substances 0.000 title claims abstract description 43
- 238000004886 process control Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 109
- 230000008569 process Effects 0.000 claims abstract description 77
- 238000005457 optimization Methods 0.000 claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 claims abstract description 59
- 238000004364 calculation method Methods 0.000 claims abstract description 26
- 238000012800 visualization Methods 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 180
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 64
- 238000004458 analytical method Methods 0.000 claims description 49
- 238000006477 desulfuration reaction Methods 0.000 claims description 40
- 230000023556 desulfurization Effects 0.000 claims description 40
- 229910021529 ammonia Inorganic materials 0.000 claims description 32
- 238000010828 elution Methods 0.000 claims description 30
- HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 22
- 230000009615 deamination Effects 0.000 claims description 16
- 238000006481 deamination reaction Methods 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 15
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 14
- 239000005864 Sulphur Substances 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 239000012452 mother liquor Substances 0.000 claims description 9
- 230000008929 regeneration Effects 0.000 claims description 9
- 238000011069 regeneration method Methods 0.000 claims description 9
- 239000003245 coal Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 238000007726 management method Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 2
- 238000007418 data mining Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000013523 data management Methods 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 239000003034 coal gas Substances 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 238000012546 transfer Methods 0.000 description 8
- 230000007306 turnover Effects 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 6
- 238000004939 coking Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
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- 238000004422 calculation algorithm Methods 0.000 description 2
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- 238000005065 mining Methods 0.000 description 2
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- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005520 cutting process Methods 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
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- 230000003009 desulfurizing effect Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009291 froth flotation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
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- 238000010992 reflux Methods 0.000 description 1
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- 238000007619 statistical method Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
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- 230000026676 system process Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32252—Scheduling production, machining, job shop
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Feedback Control In General (AREA)
Abstract
The invention discloses a kind of recovery of chemical products Intelligent Process Control system, it includes recovery of chemical products process visualization module, preset value calculation module, data acquisition and output module, coordination optimization module, system hardware；Data result is passed to recovery of chemical products process visualization module by data acquisition with output module；Field device parameters and technological parameter are fed back to data acquisition and output module by recovery of chemical products process visualization module；Data acquisition receives the operating parameter setting value of preset value calculation module with output module and procedure parameter is fed back into preset value calculation module；Preset value calculation module obtains state parameter optimal setting value from coordination optimization module and real-time, historical data is passed into coordination optimization module；Coordination optimization module is used for the coordination optimization for realizing gas purification and removal process.It can realize collectionization production visual presentation, data management, coordination optimization, data mining, energy-saving synergy and realize benefit on the premise of safety in production is ensured.
Description
Technical field
The invention belongs to coking recovery of chemical products technical field, specially a kind of recovery of chemical products Intelligent Process Control system.
Background technology
Recovery of chemical products is a kind of typical Continuous Industry process, with influence factor is more, process variation is big, with big
The physical-chemical reaction of amount and heat exchange, variable, constraint, target are numerous.Existing removal process circuit controls are Traditional control, are lacked
Weary feedovered to recovery of chemical products process is analyzed, and lacks the analysis to production history data, lacks " production target-state parameter-behaviour
Make parameter " excavation of relation rule, and lack the consideration in terms of the coordination optimization to comprehensive productive target, manual adjustment frequency
It is numerous, feed back delayed, overall control effect is not ideal enough, it is difficult to realize the energy-saving and benefit lifting of recovery of chemical products process.
The content of the invention
The purpose of the present invention be for problem above there is provided a kind of recovery of chemical products Intelligent Process Control system, fill up sulphur,
The existing recovery technology of ammonia, benzene lacks PREDICTIVE CONTROL, data mining, coordination optimization and the higher deficiency of energy consumption, and there is provided one kind collection
Change production visual presentation, data management, PREDICTIVE CONTROL, coordination optimization, data mining, energy-saving synergy and ensureing that safety is raw
The integrated intelligent control system for subtracting people is maximized on the premise of production.
To realize object above, the technical solution adopted by the present invention is：A kind of recovery of chemical products Intelligent Process Control system, it
Including recovery of chemical products process visualization module, preset value calculation module, data acquisition and output module, coordination optimization module, it is
System hardware；The data acquisition passes to data result for recovery of chemical products process visualization module with output module；It is described
The equipment and technological parameter at scene are fed back to data acquisition and output module by recovery of chemical products process visualization module；The data
Gather the operating parameter setting value issued with output module reception preset value calculation module and procedure parameter is fed back into setting value
Computing module；The preset value calculation module from coordination optimization module in obtain state parameter optimal setting value and by real time, go through
History data transfer gives coordination optimization module；The coordination optimization module is used to realize that the coordination of gas purification and removal process is excellent
Change.
Further, the Expert Rules module that is set using data center of coordination optimization module obtain production target with
Procedure parameter relational model；The production target is realized with procedure parameter relational model by multi-objective coordinated optimization module to be coordinated
Optimization.
Further, the preset value calculation module includes desulfurization intelligence control system, sulphur ammonium intelligence control system, elution
Benzene intelligence control system；The desulfurization intelligence control system, sulphur ammonium intelligence control system, elution benzene intelligence control system are by dividing
Analysis calculates the desulfurization substation for obtaining operating parameter setting value and being issued to data acquisition and output module, sulphur ammonium substation, elution benzene
Substation.
Further, the control that the desulfurization substation, sulphur ammonium substation, elution benzene substation issue preset value calculation module is believed
Number be converted into executing agency performs action accordingly.
Further, the desulfurization intelligence control system, sulphur ammonium intelligence control system, elution benzene intelligence control system are wrapped
Include Analysis on Mechanism module, Intelligent Process Control module and coordination optimization module；The Analysis on Mechanism module is by pipeline, equipment knot
The basic parameter of structure is delivered to for the coal shortage desulfurization for obtaining operating parameter setting value, deamination, de- benzene process analysis procedure analysis module；Obtain
Obtain operating parameter setting value and be delivered to set point correct module；The set point correct module completes set point correct and will amendment
Value is passed to Intelligent Process Control module；The Intelligent Process Control module includes gas temperature control module after precooling tower, then
Gas temperature control module, saturator mother liquor after raw tower regeneration liquid level control module, ammonia still process tower top temperature control modules, preheater
Temperature control modules in controlling pH module, drying machine, gas temperature control module after whole cooler, enter to wash the poor oil temperature control of benzene column
Molding block, regenerator overhead oil gas temperature control modules, tubular type outlet of still rich oil temperature control modules, debenzolizing tower top temperature control
Module；Gas temperature control module after the precooling tower, regenerator regeneration liquid level control module, ammonia still process tower top temperature control modules
Complete desulfurization Analysis control；Gas temperature control module after the preheater, saturator mother liquor acidity control module, in drying machine
Temperature control modules complete deamination analysis and Control；Gas temperature control module after the whole cooler, enter to wash the poor oil temperature control of benzene column
Molding block, regenerator overhead oil gas temperature control modules, tubular type outlet of still rich oil temperature control modules, debenzolizing tower top temperature control
Module completes de- benzene analysis and Control；Passing to of control signal is produced sulphur, ammonia, benzene and reclaims work by the Intelligent Process Control module
Section；The coordination optimization module collection desulfurization, deamination, spot sensor detection data, the manual entry data of elution benzene workshop section
And upload to data center；The module that coordinates and optimizes is by the state parameter set point feedback of optimization to Intelligent Process Control module
Each submodule in.
Further, the system hardware includes field control level, process monitoring level, production manager level；The scene control
Level processed includes executing agency and instrumentation, changes production PLC system, DCS system；The process monitoring blocks pass through policer operation end
Recovery of chemical products workflow is monitored in real time；The production management module includes server, redundant server, data center
Server, production decision administrative center；The production decision administrative center and data center server are all connected with server；Institute
Server, redundant server and policer operation end is stated to connect；The policer operation end being connected with production PLC system and DCS system；
The DCS system and change production PLC system are respectively connected with executing agency and instrumentation；The DCS system is connected with PLC system.
Further, the data acquisition includes DCS system with output module, changes production PLC system, executing agency, detection
Instrument.
Further, the data center passes through rule digging and state extraction module formation Expert Rules module；It is described
Data center is connected with inside and outside system interface.
Further, the instrumentation feeds back information to the change production in desulfurization substation, sulphur ammonium substation, elution benzene substation
PLC system or DCS system.
Beneficial effects of the present invention：
1st, coordination optimization module of the invention is using artificial intelligence and big data technology as means, integrated data, mining rule, according to
The Optimizing Process Parameters such as Expert Rules and integrated economics benefit, equipment state, operating condition, instruct removal process to produce.
2nd, preset value calculation module of the invention according to system energy consumption, product yield, quality to state parameter setting value meter
Calculate；Feedforward analysis is carried out to operating and setting value according to pipe-line equipment structure etc., and feedback modifiers are carried out by collection site data.
3rd, data acquisition module of the invention contains Technical Parameters on Product Quality, the yield such as benzene, washing oil quality due to oil-poor
Influence is very big, and is unable to on-line measurement, by setting up data soft-sensing model, solves artificial chemical examination lag issues.
4th, the present invention can realize that meet requirements for starting construction time-division system in workshop section is gone into operation automatically, and subsystem is pressed during shut-down
Stopped production, special circumstances（Have a power failure, stop steam etc.）Operation.
5th, the present invention realizes that crude benzol is increased income, and reduces energy consumption, reduces equipment loss, reduces part operation personnel, improves
Working environment, improves enterprises production efficiency.
6th, the present invention solve the existing recovery technology of sulphur, ammonia, benzene lack PREDICTIVE CONTROL, data mining, coordination optimization and
The higher not enough shortcoming of energy consumption.
Brief description of the drawings
Fig. 1 principle of the invention block diagrams.
Fig. 2 control module graphs of a relation of the present invention.
Fig. 3 hardware system structure figures of the present invention.
Embodiment
In order that those skilled in the art more fully understand technical scheme, the present invention is entered below in conjunction with the accompanying drawings
Row is described in detail, and the description of this part is only exemplary and explanatory, should not there is any limitation to protection scope of the present invention
Effect.
As shown in Figure 1-Figure 3, concrete structure of the invention is：A kind of recovery of chemical products Intelligent Process Control system, it includes
Recovery of chemical products process visualization module, preset value calculation module, data acquisition and output module, coordination optimization module, system are hard
Part；The data acquisition passes to data result for recovery of chemical products process visualization module with output module；Describedization is produced
The equipment and technological parameter at scene are fed back to data acquisition and output module by removal process visualization model；The data acquisition
The operating parameter setting value that issues of preset value calculation module is received with output module and procedure parameter is fed back into preset value calculation
Module；The preset value calculation module obtains state parameter optimal setting value from coordination optimization module and will real-time, history number
According to passing to coordination optimization module；The coordination optimization module is used for the coordination optimization for realizing gas purification and removal process.
It is preferred that, the Expert Rules module that the coordination optimization module is set using data center obtains production target and mistake
Journey parameters relationship model；The production target is realized with procedure parameter relational model by multi-objective coordinated optimization module coordinates excellent
Change.
It is preferred that, the preset value calculation module includes desulfurization intelligence control system, sulphur ammonium intelligence control system, elution benzene
Intelligence control system；The desulfurization intelligence control system, sulphur ammonium intelligence control system, elution benzene intelligence control system pass through analysis
Calculate the desulfurization substation for obtaining operating parameter setting value and being issued to data acquisition and output module, sulphur ammonium substation, elution benzene
Stand.
It is preferred that, the control signal that the desulfurization substation, sulphur ammonium substation, elution benzene substation issue preset value calculation module
It is converted into executing agency and performs action accordingly.
It is preferred that, the desulfurization intelligence control system, sulphur ammonium intelligence control system, elution benzene intelligence control system include
Analysis on Mechanism module, Intelligent Process Control module and coordination optimization module；The Analysis on Mechanism module is by pipeline, device structure
Basic parameter be delivered to for the coal shortage desulfurization for obtaining operating parameter setting value, deamination, de- benzene process analysis procedure analysis module；Obtain
Operating parameter setting value is delivered to set point correct module；The set point correct module completes set point correct and by correction value
It is passed to Intelligent Process Control module；The Intelligent Process Control module includes gas temperature control module after precooling tower, regeneration
Gas temperature control module, saturator mother liquor acid after tower regeneration liquid level control module, ammonia still process tower top temperature control modules, preheater
Degree control module, gas temperature control module after temperature control modules, whole cooler in drying machine, enter to wash the oil-poor temperature control of benzene column
Module, regenerator overhead oil gas temperature control modules, tubular type outlet of still rich oil temperature control modules, debenzolizing tower top temperature control mould
Block；Gas temperature control module after the precooling tower, regenerator regeneration liquid level control module, ammonia still process tower top temperature control modules are complete
Into desulfurization Analysis control；Gas temperature control module after the preheater, saturator mother liquor acidity control module, temperature in drying machine
Spend control module and complete deamination analysis and Control；Gas temperature control module after the whole cooler, enter to wash the oil-poor temperature control of benzene column
Module, regenerator overhead oil gas temperature control modules, tubular type outlet of still rich oil temperature control modules, debenzolizing tower top temperature control mould
Block completes de- benzene analysis and Control；Passing to of control signal is produced sulphur, ammonia, benzene recycle section by the Intelligent Process Control module；
The coordination optimization module collection desulfurization, deamination, the spot sensor detection data of elution benzene workshop section, manual entry data and on
Pass to data center；The module that coordinates and optimizes is by the state parameter set point feedback of optimization to each of Intelligent Process Control module
In submodule.
It is preferred that, the system hardware includes field control level, process monitoring level, production manager level；The field control
Level includes executing agency and instrumentation, changes production PLC system, DCS system；The process monitoring blocks pass through policer operation end pair
Recovery of chemical products workflow is monitored in real time；The production management module includes server, redundant server, data center's clothes
Be engaged in device, production decision administrative center；The production decision administrative center and data center server are all connected with server；It is described
Server, redundant server and policer operation end are connected；The policer operation end being connected with production PLC system and DCS system；Institute
State DCS system and change production PLC system and be respectively connected with executing agency and instrumentation；The DCS system is connected with PLC system.
It is preferred that, the data acquisition includes DCS system with output module, changes production PLC system, executing agency, detector
Table.
It is preferred that, the data center passes through rule digging and state extraction module formation Expert Rules module；The number
It is connected according to center with inside and outside system interface.
It is preferred that, the instrumentation feeds back information to the change production in desulfurization substation, sulphur ammonium substation, elution benzene substation
PLC system or DCS system.
The present invention is when it is implemented, such as Fig. 1, a kind of recovery of chemical products Intelligent Process Control system, including recovery of chemical products process
Visualization model, data acquisition and output module, preset value calculation module, coordination optimization module.
Recovery of chemical products process visualization module receives the data result of data acquisition and output module, by field apparatus shape
The information real-time shows such as state, procedure parameter, development trend state, are easy to all kinds of related personnel to production process technology parameter, control
Parameter manipulation processed, inquiry, printing etc..Field device parameters and technological parameter are also fed back into data acquisition and output mould simultaneously
Block；The field device parameters include equipment running status, duct height, radius etc.；The technological parameter includes temperature, pressure
Power, flow etc.；The procedure parameter includes aperture and technological parameter of valve etc..
Data acquisition is mainly made up of with output module DCS system, PLC system, executing agency, instrumentation etc., mainly
It is the implementation section of on-site data gathering and system control function including desulfurization substation, sulphur ammonium substation, elution benzene substation.When obtaining
When obtaining the control signal that preset value calculation module is issued, control signal is converted into executing agency by the module, and execution is dynamic accordingly
Make.The signal of wherein instrumentation detection is fed back in the DCS system and PLC system of each substation.Meanwhile, the process ginseng of the module
Number also feeds back the module of falling preset value calculation.
Preset value calculation module receives the real time data of data acquisition and output module, mainly completes data analysis, storage
With the intelligent optimal control of operating parameter setting value.Calculated using intelligent integrated modeling and control technology and obtain operating parameter setting
Value control instruction is simultaneously issued to data acquisition and output module.Mainly include desulfurization intelligence control system, sulphur ammonium intelligent control system
System, elution benzene intelligence control system；This three categorles control system mainly includes Analysis on Mechanism module, Intelligent Process Control module
And coordination optimization module.Procedure parameter is fed back to coordination optimization module to adjust every technique in real time by preset value calculation module
Parameter.
Coordination optimization module receives the real-time of other modules, historical data to realize local system process status parameter setting
Value optimization calculating, operating mode Real-Time Evaluation, data storage etc.；The real-time, historical data includes all in equipment running process
Field apparatus and technological parameter.Data center mainly carries out centrally stored, management, analysis and excavation number to live each link data
Potential rule in, shared data composition rule is excavated and state extraction module.Data center is on the one hand to different type number
According to being pre-processed and mining analysis, different majors rule is obtained, Expert Rules module is formed.The Expert Rules become to be related
Rule between amount.On the other hand it is connected with inside and outside system interface, obtains schedule information or shared information to other systems.It is logical
Cross to the tracking of the technological parameter of removal process, using data mining technology, excavate energy consumption, material consumption and technological parameter correlation rule,
Coordinate control rule etc., such as：Energy and material consumption and procedure parameter correlation rule, product quality and control parameter correlation rule, operation
Operating mode and technological parameter equipment state correlation rule etc.；Rule support is provided for coordination optimization module control.Based on data center
The Expert Rules module of offer and the production target to gas purification and removal process are entered with process status parameters relationship model
Row analysis, when recovery operating mode changes, the state parameter setting value of each local system is corrected using multi-objective coordinated optimization.
The result that analysis is calculated can be shown in recovery of chemical products visualization model, to deepen related personnel to recovery of chemical products process operation
The control of rule.
Such as Fig. 2, one is entered to desulfurization intelligence control system, sulphur ammonium intelligence control system, elution benzene intelligence control system in Fig. 1
Walk explanation.The desulfurization intelligence control system, sulphur ammonium intelligence control system, elution benzene intelligence control system are by pipe-line equipment structure
Coal shortage desulfurization, deamination, de- benzene process analysis procedure analysis module are passed to Deng basic parameter；The coal shortage desulfurization, deamination, de- benzene process
Analysis module mainly includes desulfurization and analyzed with ammonia still process process analysis procedure analysis, deamination process analysis procedure analysis, whole cold wash benzene and crude benzol still-process, leads to
Process analysis is crossed, process operating parameters setting value is obtained.The desulfurization includes with ammonia still process process analysis procedure analysis：（1）Precooling tower is cold
But water-carrying capacity model：According to entering precooling tower coal gas amount, turnover precooling tower gas temperature, cooling water turnover temperature, using precooling tower as
Research object, with reference to precooling tower structure（Heat transfer area）, the cooling water flow initial value according to needed for being calculated heat balance feedforward；
（2）Regenerator compressed air air quantity model：Compressed air air quantity mainly influences sulphur froth flotation effect and doctor solution oxidation regeneration
Effect, the air supply initial value according to needed for being calculated sulphur simple substance conservation during desulphurization reaction；（3）Enter ammonia still quantity of steam mould
Type：According to entering ammonia still remained ammonia flow, ammonia temperature, ammonia still process tower top temperature, according to quantity of steam, vapor (steam) temperature and ammonia still process
Tower structure etc. carries out heat balance, quantity of steam initial value needed for calculating.The deamination process analysis procedure analysis includes：（1）Enter preheater steaming
Vapour discharge model：According to preheater coal gas amount, turnover preheater gas temperature is entered, using preheater as research object, with reference to preheating
Device structure（Heat transfer area）, the steam flow initial value according to needed for being calculated heat balance；（2）Saturator sulfuric acid amount model：Root
According to going out, entering saturator coal gas ammon amount, analyzed with the conservation of mass of ammonia, the initial value of sulfuric acid amount needed for calculating；（3）Enter heat
Wind device steam flow model：According to entering fan heater air capacity, fan heater entering air temperature, sulphur ammonium crystallizing and drying temperature in drying machine
Degree, with reference to fan heater structure（Heat transfer area）, the steam flow initial value according to needed for being calculated heat balance feedforward；The end is cold
Washing benzene and the analysis of crude benzol still-process includes：（1）Whole cooler cools down water model：According to entering whole cooler coal gas amount, the whole cooler of turnover
Gas temperature, cooling water turnover temperature, using whole cooler as research object, with reference to whole cooler structure（Heat transfer area）, according to heat
Account cooling water flow initial value needed for feedforward is calculated；（2）Two-step cooling device cools down water model：According to entering, two-step cooling device is poor
Oil mass, the poor oil temperature of turnover two-step cooling device, cooling water turnover temperature, it is cold with reference to two sections using two-step cooling device as research object
But the oil-poor structure of device（Heat transfer area）, the cooling water flow initial value according to needed for being calculated heat balance feedforward；（3）Tube furnace coal
Throughput model：According to enter tube furnace rich oil flow, rich oil turnover temperature, steam in the boiler flow, pressure, outlet steam temperature,
Heat balance is carried out according to coal gas amount, calorific value of gas and tube furnace heat transfer area etc., coal gas amount initial value needed for calculating；（4）
Regenerator steam flow model：According to regenerator rich oil flow, rich oil temperature is entered, regenerator deslagging temperature according to quantity of steam, steams
Stripping temperature and regenerator configuration etc. carry out heat balance, quantity of steam initial value needed for calculating；（5）Debenzolizing tower crude benzol capacity of returns mould
Type：According to debenzolizing tower rich oil flow, rich oil temperature is entered, quantity of steam, vapor (steam) temperature, tower top temperature and debenzolizing tower structure etc. are carried out
Heat balance, crude benzol capacity of returns initial value needed for calculating.
The operating parameter initial set value correcting module is initially set comprising desulfurization, deamination, elution benzene workshop section operating parameter
Definite value amendment, according to coking coal weight, coking time, raw coke oven gas composition mutation analysis gas yield at this stage, collection site passes
Sensor data, manual entry data, with reference to each workshop section's state parameter technic index, it is each using set point correct module on-line amending
Operating parameter initial set value.
The Intelligent Process Control include gas temperature control module after precooling tower, regenerator regeneration liquid level control module,
Gas temperature control module after ammonia still process tower top temperature control modules, preheater, saturator mother liquor acidity control module, in drier
Gas temperature control module after temperature control modules, whole cooler, enter to wash the oil-poor temperature control modules of benzene column, tubular type outlet of still rich oil
Temperature control modules, regenerator top oil gas temperature control modules, debenzolizing tower top temperature control modules.Coal gas temperature after the precooling tower
Spending control module includes precooling tower, remained ammonia cooler, adjustment actuating mechanism, bottom control circuit system；The regenerator
Regenerating liquid level control module includes desulfurizing tower, regenerator, lean pump, rich solution pump, sulphur foam tank, sulphur foam pump, regulation execution machine
Structure, bottom control circuit system；The ammonia still process tower top temperature control modules include ammonia still, lye tank (vat), lye pump, distilled ammonia wastewater
Pump, gaseous effluent cooler, remained ammonia heat exchanger, adjustment actuating mechanism, bottom control circuit system；Coal gas temperature after the preheater
Spending control module includes preheater, adjustment actuating mechanism, bottom control circuit system；The saturator mother liquor acidity control module
Returned including saturator, flowing full groove, high-order sulfuric acid tank, crystallization tank, size mother liquor pump, crystallization pump, adjustment actuating mechanism, bottom control
Road system；Temperature control modules are performed comprising centrifuge, conveying worm, Cooling and heating blower, drier, regulation in the drier
Mechanism, bottom control circuit system；Gas temperature control module includes whole cooler, condensate liquid spray pump, adjusted after the whole cooler
Save executing agency, bottom control circuit system；It is described enter wash the oil-poor temperature control modules of benzene column include oily oil heat exchanger, one section it is poor
Oil cooler, two sections of poor oil coolers, wash benzene column, rich or poor oil pump, adjustment actuating mechanism, bottom control circuit system；The pipe
Formula outlet of still rich oil temperature control modules include crude benzol condensate cooler, oily oil heat exchanger, tube furnace, adjustment actuating mechanism, bottom
Layer control loop system；The regenerator top oil gas temperature control modules include regenerator, adjustment actuating mechanism, bottom control and returned
Road system；Debenzolizing tower top temperature control modules include debenzolizing tower, crude benzol condensate cooler, oil water separator, crude benzol backflow
Groove, reflux pump, adjustment actuating mechanism, bottom control circuit system.Each control operation parameter of bottom control circuit system is set
Definite value is obtained by the analysis of the process mechanisms such as quality, the conservation of energy；Because nonlinear system in a small range can be approximately linear
System, both system was interior during stable operation is believed that linear system, therefore sets up operating parameter with being controlled according to steady-state process
Object model；Tenacious tracking control is finally carried out to controlled device using feedforward-feedback control mode.
The process coordinating optimization module is coordinated and optimized to desulfurization, deamination, elution benzene workshop section, due to production process
Production target can directly reflect production status, product quality, energy consumption height, coordinate the pass between production target and procedure parameter
System, will necessarily bring bigger directive significance for optimal production operation.The Expert Rules module excavated according to data center, from
The angle of each local process coordination optimization is set out, and is set up with yield maximum, the minimum optimization aim of energy consumption, product quality is constraint
Condition, the state parameter of each local process is the Model for Multi-Objective Optimization of decision variable.Work as production status（Nominal situation, stop
Electrician's condition, operating mode of cutting off the water, steam operating mode of stopping, overhaul of the equipments operating mode）When changing, using coordination optimization algorithm on-line optimization mistake
The setting value of journey state parameter, realizes the coordination optimization of recovery of chemical products procedure quality yield energy consumption, and Optimal State parameter is set
Fixed value feedback is into Intelligent Process Control module.
Such as Fig. 3, hardware structure of the present invention is made up of field control level, process monitoring level, production manager level, including monitoring behaviour
Make end, server, DCS system, change production PLC, the long-range ET200M and I/O substations of each workshop section, field apparatus, instrumentation, execution
Mechanism and external system etc..Wherein DCS system is dcs.The field control level realizes the automatic control of equipment
System, machine utilization monitoring, alarm and accident treatment, record system service data provide foundation for analysis, statistics etc..The mistake
Range monitoring level is realized to be monitored in real time to recovery of chemical products workflow, and the appliance computer communication technology carries out production scheduling and pipe
Reason.The production manager level can network with enterprise's tension management information system, utilize management information system data and production run
Data formulate business strategy and the production schedule, carry out benefit accounting.The operating side includes policer operation end and long-range behaviour
Make end, wherein policer operation end uses C/S model, and remote operation end uses B/S patterns.Server uses DELL professional services
Device, meets systematic function and data safety, main loading application programs, database.Change production PLC system and use PLC300, embed
PID modules, carry out data point collection and numerical computations, and operation part control program, meet system program storage and run
Efficiency, and data acquisition request.Each workshop section in scene sets ET200M substations, and spot sensor signal passes through live ET200M substations
Collection is sent to Central Control Roomization production PLC system.PLC system transmits a signal to newly-increased executing agency by ET200M substations, simultaneously
DCS system also transmits a signal to executing agency.The instrumentation of PLC system and DCS system subordinate are anti-respectively by signal feedback
PLC system of feeding and DCS system, DCS system is simultaneously also by feedback signal transmission to PLC system.PLC system receives signal and realized
System prediction control, data mining, the function of coordination optimization.Wherein server and redundant server constitute dual redundant server,
PLC system and DCS system constitute dual redundant system and ensure whole system reliability service.
The present invention produces to coal gas by the way that process of coking, gas collection process are regarded as unified overall and course of conveying is divided
Analysis, on the basis of research arranges removal process influence factor and prior art problem, gas purification process is carried out the conservation of mass,
Law of conservation of energy and the analysis of liquid phase mass transfer theory, set up sulphur, ammonia, the mechanism model of benzene removal process, obtain operating parameter
Setting value.Then on the basis of feedforward mechanism model, design of feedback Controlling model corrects setting for feed forward models operating parameter
Definite value, and it is issued to desulfurization substation, sulphur ammonium substation, the progress tenacious tracking control of elution benzene substation.Finally by data mining
Correlation rule, according to site environment and changes in process parameters, using coordination optimization control, coordinates inter process and optimizes behaviour with in-process
Make.Mainly include herein below：（1）According to sulphur, ammonia, benzene recovery process flow, analysis desulfurization, deamination, ammonia still process, elution benzene mistake
Journey, by technological parameters such as collecting device, pipeline, gas flow, gas compositions, according to quality, law of conservation of energy, to reclaiming
During total inventory or some group components carry out mass balance, set up sulphur, ammonia, benzene recovery system mechanism model, obtain each
Make setting value at the beginning of operating parameter.（2）By mechanism model series connection sulphur, ammonia, benzene workshop section data, and each workshop section bottom is gathered in real time
Layer signal, equipment state, process of coking and gas collection procedure division data, carry out data fusion, and formation sulphur, ammonia, benzene workshop section are real-time
Database and historical data base.（3）By gathering each workshop section's data, each operating parameter initial set value is modified and issued
Field apparatus is controlled to desulfurization substation, sulphur ammonium substation, elution benzene substation.（4）To real-time data base and historical data base
Data carry out statistical analysis, using data digging method obtain " energy and material consumption-technic index " correlation rule, " product quality-
Operating parameter " correlation rule, " productive target-state parameter-operating parameter " correlation rule, unusual service condition control rule etc. are specially
Family's rule.（5）According to the Expert Rules of excavation, the angle coordinated and optimized from each local process is set up with yield maximum, energy
Minimum optimization aim is consumed, product quality is constraints, and the state parameter of each local process is the multiple target of decision variable
Optimized model.It is real using the setting value of coordination optimization algorithm on-line optimization process status parameter when production status changes
The coordination optimization of existing production process mass rate of production energy consumption.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property is included, so that process, method, article or equipment including a series of key elements not only include those key elements, and
And also including other key elements being not expressly set out, or also include for this process, method, article or equipment institute inherently
Key element.
Specific case used herein is set forth to the principle and embodiment of the present invention, the explanation of above example
It is only intended to the method and its core concept for helping to understand the present invention.Described above is only the preferred embodiment of the present invention, should
When pointing out due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, can also make it is some improve, retouching or change, can also be by
Above-mentioned technical characteristic is combined by rights；These improve retouching, change or combined, or the not improved structure by invention
Think and technical scheme directly applies to other occasions, be regarded as protection scope of the present invention.
Claims (9)
1. a kind of recovery of chemical products Intelligent Process Control system, it is characterised in that：It includes recovery of chemical products process visualization module, set
Fixed value calculation module, data acquisition and output module, coordination optimization module, system hardware；The data acquisition and output module
Data result is passed to for recovery of chemical products process visualization module；The recovery of chemical products process visualization module sets scene
Standby parameter and technological parameter feed back to data acquisition and output module；The data acquisition receives preset value calculation with output module
Procedure parameter is simultaneously fed back to preset value calculation module by operating parameter setting value that module is issued；The preset value calculation module from
State parameter optimal setting value is obtained in coordination optimization module and real-time, historical data is passed into coordination optimization module；It is described
Coordination optimization module is used for the coordination optimization for realizing gas purification and removal process.
2. a kind of recovery of chemical products Intelligent Process Control system according to claim 1, it is characterised in that the coordination optimization
The Expert Rules module that module is set using data center obtains production target and procedure parameter relational model；The production target
Realized and coordinated and optimized by multi-objective coordinated optimization module with procedure parameter relational model.
3. a kind of recovery of chemical products Intelligent Process Control system according to claim 1, it is characterised in that the setting value meter
Calculating module includes desulfurization intelligence control system, sulphur ammonium intelligence control system, elution benzene intelligence control system；The desulfurization is intelligently controlled
System processed, sulphur ammonium intelligence control system, elution benzene intelligence control system by analyze calculating obtain operating parameter setting value and under
It is sent to desulfurization substation, sulphur ammonium substation, the elution benzene substation of data acquisition and output module.
4. a kind of recovery of chemical products Intelligent Process Control system according to claim 3, it is characterised in that desulfurization
Stand, the control signal that preset value calculation module is issued is converted into executing agency and performed accordingly by sulphur ammonium substation, elution benzene substation
Action.
5. a kind of recovery of chemical products Intelligent Process Control system according to claim 3, it is characterised in that the desulfurization intelligence
Control system, sulphur ammonium intelligence control system, elution benzene intelligence control system include Analysis on Mechanism module, Intelligent Process Control mould
Block and coordination optimization module；The basic parameter of pipeline, device structure is delivered to for being grasped by the Analysis on Mechanism module
Make the coal shortage desulfurization, deamination, de- benzene process analysis procedure analysis module of pre-set parameter；Obtain operating parameter setting value and be delivered to setting value
Correcting module；The set point correct module completes set point correct and correction value is passed into Intelligent Process Control module；Institute
Stating Intelligent Process Control module includes gas temperature control module after precooling tower, regenerator regeneration liquid level control module, ammonia still
Push up gas temperature control module after temperature control modules, preheater, saturator mother liquor acidity control module, dry built-in temperature control
Gas temperature control module after molding block, whole cooler, enter to wash the oil-poor temperature control modules of benzene column, regenerator overhead oil gas temperature control
Molding block, tubular type outlet of still rich oil temperature control modules, debenzolizing tower top temperature control modules；Gas temperature control after the precooling tower
Molding block, regenerator regeneration liquid level control module, ammonia still process tower top temperature control modules complete desulfurization Analysis control；The preheater
Afterwards gas temperature control module, saturator mother liquor acidity control module, temperature control modules complete deamination analysis control in drying machine
System；Gas temperature control module after the whole cooler, enter to wash the oil-poor temperature control modules of benzene column, regenerator overhead oil gas temperature control
Molding block, tubular type outlet of still rich oil temperature control modules, debenzolizing tower top temperature control modules complete de- benzene analysis and Control；The mistake
Passing to of control signal is produced sulphur, ammonia, benzene recycle section by journey intelligent control module；The coordination optimization module collection desulfurization,
Deamination, the spot sensor detection data of elution benzene workshop section, manual entry data simultaneously upload to data center；The coordination optimization
Module is by each submodule of the state parameter set point feedback of optimization to Intelligent Process Control module.
6. a kind of recovery of chemical products Intelligent Process Control system according to claim 1, it is characterised in that the system hardware
Including field control level, process monitoring level, production manager level；The field control level includes executing agency and instrumentation, change
Produce PLC system, DCS system；The process monitoring blocks are supervised in real time by policer operation end to recovery of chemical products workflow
Control；The production management module includes server, redundant server, data center server, production decision administrative center；It is described
Production decision administrative center and data center server are all connected with server；The server, redundant server are grasped with monitoring
Make end connection；The policer operation end being connected with production PLC system and DCS system；The DCS system and change production PLC system are equal
It is connected with executing agency and instrumentation；The DCS system is connected with PLC system.
7. a kind of recovery of chemical products Intelligent Process Control system according to claim 1, it is characterised in that the data acquisition
Include DCS system with output module, change production PLC system, executing agency, instrumentation.
8. a kind of recovery of chemical products Intelligent Process Control system according to claim 1, it is characterised in that the data center
Pass through rule digging and state extraction module formation Expert Rules module；The data center is connected with inside and outside system interface.
9. according to claim 1, require 4 and claim 8 described in a kind of recovery of chemical products Intelligent Process Control system, it is special
Levy and be, the instrumentation feed back information to change production PLC system in desulfurization substation, sulphur ammonium substation, elution benzene substation or
DCS system.
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Effective date of registration: 20211222 Address after: No.28 Kangwang Industrial Park, Yueyang Economic and Technological Development Zone, Yueyang City, Hunan Province, 414000 Patentee after: HUNAN QIANMENG INDUSTRIAL INTELLIGENT SYSTEM Co.,Ltd. Address before: 410000 room 507, accelerator production workshop, building B-3, No. 627 Lugu Avenue, high tech Development Zone, Changsha, Hunan Patentee before: HUNAN CHAIRMAN INTELLIGENT INFORMATION TECHNOLOGY CO.,LTD. |