CN104122875A - Practical training centre for sugar manufacturing process control technology - Google Patents
Practical training centre for sugar manufacturing process control technology Download PDFInfo
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- CN104122875A CN104122875A CN201410374019.2A CN201410374019A CN104122875A CN 104122875 A CN104122875 A CN 104122875A CN 201410374019 A CN201410374019 A CN 201410374019A CN 104122875 A CN104122875 A CN 104122875A
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Abstract
The invention provides a practical training centre for a sugar manufacturing process control technology. The practical training centre comprises a sugar refinery sugar manufacturing equipment model, a sugar refinery working condition simulation system, a sugar refinery production whole-process automatic control system and a central control room, wherein the sugar refinery sugar manufacturing equipment model is produced by scaling down according to the ratio of the appearance and the like of actual production equipment, arranged and connected according to an actual process flow, and further used as a field instrument installation carrier; the sugar refinery working condition simulation system is used for simulating the actual working condition of a sugar refinery; the sugar refinery production whole-process automatic control system is used for implementing automatic control on the whole process of sugar refinery production according to a working condition simulation signal and the signal of a field instrument in each production workshop; the central control room is used for carrying out centralized management and monitoring on the control system data of each working section of each workshop of the sugar refinery, and realizing remote production management and dispatching conduction. The high actual operational abilities of students can be trained through the training of the practical training centre, thus laying a solid foundation for working on the sugar industry or the related work in other automation fields in the future.
Description
Technical field
The present invention relates to a set of practice training centre, especially a whole set of is towards the practice-training teaching center of cane sugar manufacture factory sugaring process control technology, cover sugar refining technology process device model, sugar industry instrument and meter for automation, sugar refinery sugaring overall process DCS control system, sugar refinery production scheduling command system, belong to sugaring robotization, information-based practice-training teaching field.
Background technology
In Higher Occupational Education course in the past, the practice-training teaching of industrial automation specialty is mainly that the field instrument (as spring manometer, pressure unit, temperature sensor etc.) that student starts to some general categories carries out simple dismounting and adjustment, and the unrealized technological process for certain specific industry is carried out systematized dynamic on-line debugging.Meanwhile, current vocational education needs Lay Importance on Practical and application, stresses the skilled cultivation of post technical ability, to meet the requirement that enterprise can be on duty immediately to post personnel, realizes personnel training and job " zero distance ".
For the important cane sugar manufacture industry in Guangxi, also do not have at present a whole set of complete vocational education curricular system that the training service of sugaring process control technology is provided, the a large amount of automated systems that cause sugar refinery to implement, most of post personnel that lack qualified technical ability carry out operation and maintenance.
Summary of the invention
In order to address the above problem, lack for Chinese Sugar Industry robotization practitioner skills training system, industry must be set up a set of based on the technological process of current sugar refinery, and can be at many levels, large span carries out the experience system of sugaring process control technology training, comprise the sugar mill model that meets full sugar refinery technological process form, meet the main flow instrument of current sugar refinery rig-site utilization, the Closed Circulation in Sugar Production overall process DCS system of full factory, meets the information-based production scheduling command system requiring of full level of factory.
The present invention taking by the device model of sugar refinery actual production equipment scaled down as carrier, employing is specifically applied to the international mainstream brand instrument at scene, sugar refinery, utilize OPC, MODBUS, PROFIBUS, the modern industry mechanicss of communication such as FTE, build the High-speed Control data network taking fieldbus as trunk, adopt the advance control algorithm model bank that adapts to the flow process control of full factory, build other sugar refinery production overall process of full level of factory DCS system, form the basic platform at a whole set of practice-training teaching center, on this platform base, adopt simulated condition system to reproduce production procedure completely, for trainee provides the high-true Training Environment that meets sugar refinery production real condition completely.Utilize radio network technique (WLAN), field bus technique (MODBUS, OPC), build production scheduling command system, realize wired or wireless real-time Transmission and remote monitoring to the full factory in sugar refinery production data, video image digital information.
The concrete technical scheme that the present invention takes is as follows:
A kind of sugaring process control technology practice training centre, is characterized in that: practice training centre comprises sugar refinery sugar mill model, sugar refinery Simulated System, sugar refinery production overall process automatic control system, central control room (CCR), wherein:
Sugar refinery sugar mill model is made according to cane sugar manufacture factory actual production equipment profile scaled down, and arrange and be connected according to the actual sugar refining technology flow process of sugar refinery squeezing, system refining, three workshops of boiler, simultaneously device model is also as the installation carrier of field instrument, thereby forms on-the-spot training platform;
Sugar refinery Simulated System according to the measurement point of simulated field (as temperature, pressure, flow, rotating speed etc.) and the variation range of measurement point, and in conjunction with the actual spot of measurement of sugar refinery production run and the variation range of measurement point thereof, build signal imitation strategy (comprising normal signal strategy and abnormal signal strategy), simulate and produce the signal output similar to actual condition according to the condition of setting, the signal input of the control system during as real training, simulate the actual condition in sugar refinery, it mainly comprises field instrument part, the functional software part of simulated field condition of production part and structure signal imitation strategy,
Sugar refinery production overall process automatic control system is formulated according to sugar refinery technological process, its system and control parameter configuration taking the typical robot control system(RCS) of sugar refinery actual motion as foundation, the Work condition analogue signal that transmission comes according to sugar refinery Simulated System and the signal of each workshop field instrument, the overall process that sugar refinery is produced is implemented automatically to control, and it mainly comprises sugar refinery milling shop overall process DCS automatic control system, sugar refinery clarification evaporation DCS automatic control system, saccharogenesis DCS automatic control system, sugar refinery private station DCS automatic control system;
Central control room (CCR) is by sugar refinery production scheduling command system, in conjunction with video wall and monitoring station, control system data to the each workshop section in each workshop, sugar refinery of practice training centre are managed concentratedly and are monitored, realize remote production management and dispatch control, it mainly comprises video wall and monitoring station and functional software, and functional software comprises sugar refinery production scheduling command system server software and sugar refinery production scheduling command system client software.
Described sugar refinery sugar mill model is arranged by three, sugar refinery workshop and sugar refining technology flow process, and the major equipment in each workshop and technological process relation are as follows:
Milling shop: 1# cane conveying belt → 2# cane conveying belt → 5 squeezing unit → mixed juice case;
System refining workshop: mixed juice case → mono-No. time well heater → Sulphitation and Neutralization device → neutralize juice tank → after-heater → settling tank → vacuum suction filter → clear juice case → tri-No. time well heater → five effect evaporator → boiling pan → crystallization in motion case → honey centrifuge;
Boiler shop: boiler-steam dome, chimney.
The concrete structure of described sugar refinery Simulated System comprises:
1), field instrument part: be the configuration of sugar refinery sugar mill model field instrument, controller and software kit, adopt the actual products of current industrial practical application, can measure actual signal (as temperature, liquid level, flow etc.), all motorized valves, pneumatic valve can be controlled.
2), simulated field condition of production part: taking field apparatus model as carrier, apply corresponding field instrument, detect and control liquid level, flow, pressure, temperature, the rotary speed data at each reference mark, flowmeter, operation valve, water pump are installed on model connecting line, on each model tank, transmitter is installed, is realized actual measurement and the control of flow, pressure and liquid level; Meanwhile, for squeezer model allied industry drive motor, frequency converter, speed regulator, by velometer module, measure actual speed, the control system designing can be by speed regulator control motor speed.
3), build the functional software part of signal imitation strategy: according to the variation range of the measurement point of simulated field (as temperature, pressure, flow, rotating speed etc.) and measurement point thereof, and in conjunction with the actual spot of measurement of sugar refinery production run and the variation range of measurement point thereof, build signal imitation strategy (comprising normal signal strategy and abnormal signal strategy), special configuration becomes the special control system of real training.System is by trigger pip output unit, property performance period variable signal, regular variable signal, randomness variable signal and can manually set and the output of the variable signal regulating.Then access the input interface of sugar refinery production overall process automatic control system, situation and the situation while breaking down when operation relief student gets information about the normal operation of system, the disposal route of instruction of papil to Common Abnormity situation.
The subsystem that described sugar refinery milling shop overall process DCS automatic control system comprises has: sugar refinery equilibrium enters to squeeze automatic metering control system, sugar refinery crusher automatic control system, sugar refinery bagasse scale metering system, sugar refinery bagasse moisture content metering system, sugar refinery infiltration water automatic control system, sugar refinery press water automatic control system, the even pumping automatic control system of sugar refinery mixed juice, sugar refinery crusher axle temperature supervisory system, sugar refinery crusher selfoiling system, sugar refinery mechanical chain automatic control system, the pre-grey automatic control system in sugar refinery, sugar refinery phosphoric acid automatic control system, the control of phosphoric acid addition with balanced enter squeezing amount interconnected system, phosphoric acid is automatically controlled parameter testing and is entered to squeeze systematic parameter debugging uniting and adjustment system with balanced, uclear scale automatic metering system.
The subsystem that described sugar refinery clarification evaporation DCS automatic control system comprises has: the even pumping automatic control system of sugar refinery mixed juice, sugar refinery one post bake automatic control system, in sugar refinery and automatic control system, the even pumping automatic control system of sugar refinery defeco-sulfitated juice, sugar refinery flocculating agent automatic control system, sugar refinery settling tank supervisory system, the even pumping automatic control system of Tang Chang Cheongju juice, Tang Chang Cheongju juice heating automatic control system, sugar refinery evaporation automatic control system, pressure and temperature reducing station, sugar refinery automatic control system, the isobaric draining automatic control system in sugar refinery, sugar refinery ammonia excretion automatic control system, sugar refinery syrup heating automatic control system, the even pumping automatic control system of sugar refinery syrup, sugar refinery syrup hammer degree automatic metering system.
The subsystem that described saccharogenesis DCS automatic control system comprises has: boil sugared automatic control system, sugar refinery vertical continuous boiling sugar automatic control system, sugar refinery horizontal continuous boiling sugar automatic control system at sugar refinery material box hammer degree automatic control system, intermittence.
The subsystem that described sugar refinery private station DCS automatic control system comprises has: automatic control system, boiler Automatic Dosage Control of Additives system, boiler operatiopn real-time monitoring system, Turbine Safety supervisory system, turbine emergency interrupting system, steam turbine electro-hydraulic governing system, steam turbine oil pump locking system, generator real-time monitoring system between boiler drum level automatic control system, boiler steam temperature automatic control system, boiler combustion process automatic control system, boiler water.
Described central control room (CCR) is by sugar refinery production scheduling command system, and in conjunction with video wall and monitoring station, the function that can realize comprises:
1), real time data shows: show in real time the data message of squeezing, system refining, the each workshop section in power houses control point parameter, configuration large scale liquid crystal TV is as flow process picture centralized displaying;
2), curve map shows: show in real time the real-time tendency figure of Ge Duan control point, production scene, and can be by time condition query chart;
3), alarm: the warning message that the control point in production overall process is produced carries out real-time prompting;
4), data statistics and storage: by cycle accumulative total, autostore is to database to yield data, and user can carry out enquiry of historical data according to time conditions;
5), technological process shows: software interface is with animation or graphics mode, and simulation shows the technological process of production scene reality;
6), control of authority: different users is carried out to different right assignment mechanism, and the function that uses different user roles to operate is different;
7), auto-update: the renewal of software product can be passed through the latest edition of network update software automatically;
8), long-range access: client can, at LAN (Local Area Network) and wide area network remote access server, be understood production status information and query history production information in real time.
9), intelligent terminal support: install after intelligent terminal (smart mobile phone, panel computer) client software, intelligent terminal can pass through Internet or 3G network, and remote access servers, understands production status information and query history production information in real time.
10), disconnection reconnecting: for the situation that causes data to interrupt because of the interruption of network, system within a certain period of time network recovery automatically re-establishes after normal and connects and carry out data transmission;
11), many factories monitor: general headquarters of group can carry out real time monitoring to the condition of production in subordinate Duo Jia sugar refinery simultaneously.
12), the derivation of form and printing: provide the form of generation to derive EXCEL file and printing function.
13), log management: system automatic production record running status, operating personnel's operating process, facilitates keeper to carry out the follow-up investigations of system service condition.
14), data retransmission: by authorization, provide the support of MODBUS data outgoing, as required data are offered to third party software and use.
Use the beneficial effect of this sugaring process control technology practice training centre as follows:
By using this practice training centre to carry out the study of corresponding practical training project, trainee can reach the technique overview in whole sugar refinery is had at fingertips, the technic index in sugar refinery is had in depth and to be understood, for be engaged in sugar industry or other automatic field related works are taken a firm foundation in the future.
Field instrument, controller and software kit that this practice training centre configures, are all actual products of current industrial practical application, can measure actual signal, and the equipment such as motorized valve, pneumatic valve, motor, water pump can control, movably.Supporting Control System Software is taking sugar refinery actual measurement, reference mark as foundation, and the Simulated System doing can be considered a real industrial control system completely.By the training of practice training centre, can cultivate the practical operative ability that student is stronger, the problem of thinking independently ability, team is linked up and collaboration capabilities.Student is after graduation, and starting point is higher, can participate in the design effort of automated system directly.
Use in addition this practice training centre can also carry out following service:
(1), technical training: can provide technical training for cane sugar manufacture enterprise, for example, for the employee in sugar refinery provides application and the configuration etc. of the operation of installation, maintenance, automation control system of field instrument and application, DCS, can become the training base of cane sugar manufacture enterprise sugaring procedure automated control technology.
(2), Technique Authentication: allow student put into practice the check requirements that reaches every vocational skills by execute-in-place, the Technique Authentication trainings such as instrument work, configuration slip-stick artist, DCS slip-stick artist are provided for student.
(3), technical service: for sugar industry enterprise carries out design, the exploitation of automated system technical training, automated system, sugar refining technology flow scheme improvements, diagnosis of technique, provides the technical services such as technical information.
(4), Skill Competition: practice training centre can be held the contest of sugaring process automation system skill in design.
Brief description of the drawings
Fig. 1 is sugaring process control technology practice training centre pie graph.
Fig. 2 is sugaring process control technology practice training centre site layout project figure (southern side).
Fig. 3 is sugaring process control technology practice training centre site layout project figure (north side).
Fig. 4 is press apparatus startup-shutdown interlock protection steering logic block diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1, this sugaring process control technology practice training centre comprises sugar refinery sugar mill model, sugar refinery Simulated System, sugar refinery production overall process automatic control system, central control room (CCR), wherein sugar mill model in sugar refinery is made according to cane sugar manufacture factory actual production equipment profile scaled down, and arrange and be connected according to the actual sugar refining technology flow process in sugar refinery squeezing, system refining, three workshops of boiler, also as field instrument, carrier is installed simultaneously; Sugar refinery Simulated System each measurement point to field apparatus model and field instrument examinations and the monitoring at reference mark, and according to the variation range of the measurement point of simulated field and measurement point thereof, and in conjunction with the actual spot of measurement of sugar refinery production run and the variation range of measurement point thereof, build signal imitation strategy, simulate and produce the signal output similar to actual condition according to the condition of setting, the signal of the control system during as real training is inputted, and simulates the actual condition in sugar refinery; Sugar refinery production overall process automatic control system is formulated according to sugar refinery technological process, its system and control parameter configuration taking the typical robot control system(RCS) of sugar refinery actual motion as foundation, the Work condition analogue signal that transmission comes according to sugar refinery Simulated System and the signal of each workshop field instrument, the overall process that sugar refinery is produced is implemented automatically to control; Central control room (CCR), by sugar refinery production scheduling command system, in conjunction with video wall and monitoring station, is managed concentratedly and is monitored the control system data of the each workshop section in each workshop, sugar refinery of practice training centre, realizes remote production management and dispatch control.
Fig. 2 and Fig. 3 are the site layout project figure of this practice training centre, sugar refinery sugar mill model of practice training centre divides south and north flanks to arrange, wherein milling shop is positioned at southern side one deck, it is two-layer with north side one, two that system refining workshop is positioned at two layers, southern side, boiler shop is positioned at the east side in milling shop and system refining workshop, three workshops arrange and are connected by the actual sugar refining technology flow process in sugar refinery, and the major equipment in each workshop and technological process relation are as follows:
Milling shop: 1# cane conveying belt (above having 1# shredding machine, 2# shredding machine) → 2# cane conveying belt (above having 3# shredding machine) → 5 squeezing units (containing head tank, infiltration water tank) → mixed juice case;
System refining workshop: mixed juice case → mono-No. time well heater → Sulphitation and Neutralization device → neutralize juice tank → after-heater → settling tank → vacuum suction filter → clear juice case → tri-No. time well heater → five effect evaporator (containing isobaric displacement can) → boiling pan → crystallization in motion case → honey centrifuge;
Boiler shop: boiler-steam dome, chimney.
Sugar refinery Simulated System and sugar refinery production overall process automatic control system are positioned at the southern side of three workshops, sugar refinery Simulated System comprises the functional software part of field instrument part, simulated field condition of production part and structure signal imitation strategy, and wherein field instrument part correspondence is arranged on the relevant device model in three workshops; Simulated field condition of production part connects each field instrument and the condition of production is simulated, build the functional software part of signal imitation strategy by the circumstances structure signal imitation strategy of producing according to simulated field, and generate corresponding output signal and transfer to sugar refinery production overall process automatic control system; Sugar refinery production overall process automatic control system is formulated according to sugar refinery technological process, and the signal transmitting according to sugar refinery Simulated System is implemented automatically to control to the each production procedure in three workshops.The annexation of sugar refinery Simulated System and sugar refinery production overall process automatic control system and three workshop equipment does not specifically draw at Fig. 2 and Fig. 3.
Central control room (CCR) is positioned at a side of three workshops, by sugar refinery production scheduling command system, the video wall that coordinates LCD TV to form, manages concentratedly and monitors the control system data of the each workshop section in each workshop, sugar refinery of practice training centre, realizes remote production management and dispatch control.
The corresponding supporting Practice Curriculum project of this practice training centre has contained sugar refinery process control technology basic content, and the work flow of formulating in course all, according to each post operation code of current sugar refinery operation, meets industry post operation specification completely.Simultaneously, taking each workshop as project unit, comprehensive practical traning project is set, such comprehensive practical traning is taking the engineering project specifically implemented as background, real training content is specifically penetrated into the links of the project cycle, both deepen student the macroscopic view of engineering project running had been understood, tempered again the practical operation level of student to each detail in the project implementation; In addition, the utilization to senior control technology in system real training, allow students part frontier theory with put into practice the ability of combination, lay the first stone for a part of Ontario Scholar enters the pursuit of advanced studies of Geng Gao one-level universities and colleges the later stage.
The deployable practical training project of this practice training centre comprises:
1), equilibrium enters to squeeze metering and automatic control system debugging real training;
2), milling shop plant equipment interlock control system design, installation, debugging real training;
3), level sensor Installation and Debugging real training;
4), infiltration high water tank, automatic temperature control system design, installation, debugging real training;
5), milling shop automatic control system comprehensive Design, installation, debugging real training;
6), temperature sensor (thermal resistance) installation, wiring, debugging real training;
7), temperature sensor (thermal resistance) verification, temperature transmitter parameter arrange real training;
8), defeco-sulfitated juice heating-up temperature automatic control scheme design real training;
9), in-situ transducer installation, wiring, debugging real training;
10), in-situ transducer verification real training;
11), converter parameter arranges real training;
12), clear juice automatic control scheme design real training;
13), system refining workshop automatic control system comprehensive Design, installation, debugging real training;
14), boiler drum level in-situ transducer installation, wiring, debugging real training;
15), the verification of drum bourdon gauges, installation training;
16), boiler drum level automatic control system comprehensive Design, installation, debugging real training;
17), boiler overheating steam automatic temperature control system comprehensive Design, installation, debugging real training;
18), boiler shop automatic control system comprehensive Design, installation, debugging real training.
Comprehensive practical traning:
1), milling shop automatic control system comprehensive Design, installation, debugging real training;
2), system refining workshop automatic control system comprehensive Design, installation, debugging real training;
3), boiler shop automatic control system comprehensive Design, installation, debugging real training;
4), field instrument verification, installation, wiring, debugging real training.
, as example the application of this practice training centre is described further taking practical training project " design of milling shop plant equipment interlock control system, installation, debugging real training " below.
Trainee first, by the site technique model of cognitive milling shop, fully recognizes milling shop technical process feature and service requirement, and numerous plant equipment distribute according to single-column type, form a continuous-flow type production line.For avoiding, because certain equipment failure on line or the fault of artificially starting shooting cause that sugarcane raw material large area heap is stifled, need to flowing to backward according to production and realize the control of automatic startup-shutdown interlock protection.
According to service requirement, the basic design principle of trainee's cohesive process control technology, does principle analysis and prototype design, formulates concrete control strategy and design concept figure, i.e. press apparatus interlocking start and stop logic diagram, as shown in Figure 4.
Concrete control strategy is divided into start and shuts down interlock protection control; the control of start interlock protection ensures that all kinds of plant equipment are according to operating standard clean boot; shut down interlock protection control the chance failure in equipment sequence is shut down and made timely response, avoided the harm that fault causes to expand.
1. start interlock protection control
According to start principle: first start rotating machinery, then start conveying equipment,
Rotating machinery power-up sequence is: 1#-3# shredding machine, 1#-5# squeezer;
Conveying equipment power-up sequence is: defeated slag band, 4#-1# rake teeth machine, high-velocity zone, 2#-1# cane conveying belt.
2. shut down interlock protection control
As wherein arbitrary equipment failure shutdown, the conveying equipment automatic interlock before faulty equipment is shut down.For example, 2# squeezer disorderly closedown, 1# rake teeth machine, high-velocity zone, the automatic interlock of 2#-1# cane conveying belt is shut down, and other equipment are normally operation still.
In above prototype design basis, trainee just can carry out sequencing realization to control strategy, i.e. the upper and lower computer program design of startup-shutdown interlock protection control.Complete under program design and program and fill, all the engineer station on sugar refinery production overall process automatic control system platform is carried out.
Complete after sequencing realization, trainee can carry out equipment uniting and adjustment to the equipment of each configurable control: personnel will, according to sugar mill equipment working specification, carry out dynamic construction by sugar refinery Simulated System and field apparatus model to sugar refinery production technology; In sugar refinery production overall process automatic control system, complete the equipment executive control program to configurable control; By sugar refinery Simulated System simulation machine halt trouble, now, can be observed the whether correctly response of field control equipment again, carry out the correctness of verifying control program.
Claims (9)
1. a sugaring process control technology practice training centre, is characterized in that: practice training centre comprises sugar refinery sugar mill model, sugar refinery Simulated System, sugar refinery production overall process automatic control system, central control room (CCR), wherein:
Sugar refinery sugar mill model is made according to cane sugar manufacture factory actual production equipment profile scaled down, and arrange and be connected according to the actual sugar refining technology flow process of sugar refinery squeezing, system refining, three workshops of boiler, simultaneously device model is also as the installation carrier of field instrument, thereby forms on-the-spot training platform;
Sugar refinery Simulated System is according to the variation range of the measurement point of simulated field and measurement point thereof, and in conjunction with the actual spot of measurement of sugar refinery production run and the variation range of measurement point thereof, build signal imitation strategy, simulate and produce the signal output similar to actual condition according to the condition of setting, the signal input of the control system during as real training, simulate the actual condition in sugar refinery, the functional software part that it mainly comprises field instrument part, simulated field condition of production part and builds signal imitation strategy;
Sugar refinery production overall process automatic control system is formulated according to sugar refinery technological process, its system and control parameter configuration taking the typical robot control system(RCS) of sugar refinery actual motion as foundation, the Work condition analogue signal that transmission comes according to sugar refinery Simulated System and the signal of each workshop field instrument, the overall process that sugar refinery is produced is implemented automatically to control, and it mainly comprises sugar refinery milling shop overall process DCS automatic control system, sugar refinery clarification evaporation DCS automatic control system, saccharogenesis DCS automatic control system, sugar refinery private station DCS automatic control system;
Central control room (CCR) is by sugar refinery production scheduling command system, in conjunction with video wall and monitoring station, control system data to the each workshop section in each workshop, sugar refinery of practice training centre are managed concentratedly and are monitored, realize remote production management and dispatch control, it mainly comprises video wall and monitoring station and functional software, and functional software comprises sugar refinery production scheduling command system server software and sugar refinery production scheduling command system client software.
2. practice training centre according to claim 1, is characterized in that: described sugar refinery sugar mill model is arranged by three, sugar refinery workshop and sugar refining technology flow process, and the major equipment in each workshop and technological process relation are as follows:
Milling shop: 1# cane conveying belt → 2# cane conveying belt → 5 squeezing unit → mixed juice case;
System refining workshop: mixed juice case → mono-No. time well heater → Sulphitation and Neutralization device → neutralize juice tank → after-heater → settling tank → vacuum suction filter → clear juice case → tri-No. time well heater → five effect evaporator → boiling pan → crystallization in motion case → honey centrifuge;
Boiler shop: boiler-steam dome, chimney.
3. practice training centre according to claim 1, is characterized in that: the concrete structure of described sugar refinery Simulated System comprises:
1), field instrument part: be the configuration of sugar refinery sugar mill model field instrument, controller and software kit, adopt the actual products of current industrial practical application, can measure actual signal, all motorized valves, pneumatic valve can be controlled;
2), simulated field condition of production part: taking field apparatus model as carrier, apply corresponding field instrument, detect and control liquid level, flow, pressure, temperature, the rotary speed data at each reference mark, flowmeter, operation valve, water pump are installed on model connecting line, on each model tank, transmitter is installed, is realized actual measurement and the control of flow, pressure and liquid level; Meanwhile, for squeezer model allied industry drive motor, frequency converter, speed regulator, by velometer module, measure actual speed, the control system designing can be by speed regulator control motor speed;
3), build the functional software part of signal imitation strategy: according to the variation range of the measurement point of simulated field and measurement point thereof, and in conjunction with the actual spot of measurement of sugar refinery production run and the variation range of measurement point thereof, build signal imitation strategy, special configuration becomes the special control system of real training, system is by trigger pip output unit, property performance period variable signal, regular variable signal, randomness variable signal and can manually set and the output of the variable signal regulating, then access the input interface of sugar refinery production overall process automatic control system.
4. practice training centre according to claim 1, is characterized in that: described signal imitation strategy comprises normal signal strategy and abnormal signal strategy.
5. practice training centre according to claim 1, it is characterized in that: the subsystem that described sugar refinery milling shop overall process DCS automatic control system comprises has: sugar refinery equilibrium enters to squeeze automatic metering control system, sugar refinery crusher automatic control system, sugar refinery bagasse scale metering system, sugar refinery bagasse moisture content metering system, sugar refinery infiltration water automatic control system, sugar refinery press water automatic control system, the even pumping automatic control system of sugar refinery mixed juice, sugar refinery crusher axle temperature supervisory system, sugar refinery crusher selfoiling system, sugar refinery mechanical chain automatic control system, the pre-grey automatic control system in sugar refinery, sugar refinery phosphoric acid automatic control system, the control of phosphoric acid addition with balanced enter squeezing amount interconnected system, phosphoric acid is automatically controlled parameter testing and is entered to squeeze systematic parameter debugging uniting and adjustment system with balanced, uclear scale automatic metering system.
6. practice training centre according to claim 1, it is characterized in that: the subsystem that described sugar refinery clarification evaporation DCS automatic control system comprises has: the even pumping automatic control system of sugar refinery mixed juice, sugar refinery one post bake automatic control system, in sugar refinery and automatic control system, the even pumping automatic control system of sugar refinery defeco-sulfitated juice, sugar refinery flocculating agent automatic control system, sugar refinery settling tank supervisory system, the even pumping automatic control system of Tang Chang Cheongju juice, Tang Chang Cheongju juice heating automatic control system, sugar refinery evaporation automatic control system, pressure and temperature reducing station, sugar refinery automatic control system, the isobaric draining automatic control system in sugar refinery, sugar refinery ammonia excretion automatic control system, sugar refinery syrup heating automatic control system, the even pumping automatic control system of sugar refinery syrup, sugar refinery syrup hammer degree automatic metering system.
7. practice training centre according to claim 1, is characterized in that: the subsystem that described saccharogenesis DCS automatic control system comprises has: boil sugared automatic control system, sugar refinery vertical continuous boiling sugar automatic control system, sugar refinery horizontal continuous boiling sugar automatic control system at sugar refinery material box hammer degree automatic control system, intermittence.
8. practice training centre according to claim 1, is characterized in that: the subsystem that described sugar refinery private station DCS automatic control system comprises has: automatic control system, boiler Automatic Dosage Control of Additives system, boiler operatiopn real-time monitoring system, Turbine Safety supervisory system, turbine emergency interrupting system, steam turbine electro-hydraulic governing system, steam turbine oil pump locking system, generator real-time monitoring system between boiler drum level automatic control system, boiler steam temperature automatic control system, boiler combustion process automatic control system, boiler water.
9. practice training centre according to claim 1, is characterized in that: described central control room (CCR) is by sugar refinery production scheduling command system, and in conjunction with video wall and monitoring station, the function of realization comprises:
1), real time data shows: show in real time the data message of squeezing, system refining, the each workshop section in power houses control point parameter, configuration large scale liquid crystal TV is as flow process picture centralized displaying;
2), curve map shows: show in real time the real-time tendency figure of Ge Duan control point, production scene, and can be by time condition query chart;
3), alarm: the warning message that the control point in production overall process is produced carries out real-time prompting;
4), data statistics and storage: by cycle accumulative total, autostore is to database to yield data, and user can carry out enquiry of historical data according to time conditions;
5), technological process shows: software interface is with animation or graphics mode, and simulation shows the technological process of production scene reality;
6), control of authority: different users is carried out to different right assignment mechanism, and the function that uses different user roles to operate is different;
7), auto-update: the renewal of software product can be passed through the latest edition of network update software automatically;
8), long-range access: client can, at LAN (Local Area Network) and wide area network remote access server, be understood production status information and query history production information in real time;
9), intelligent terminal support: install after intelligent terminal client software, intelligent terminal can pass through Internet or 3G network, and remote access servers, understands production status information and query history production information in real time;
10), disconnection reconnecting: for the situation that causes data to interrupt because of the interruption of network, system within a certain period of time network recovery automatically re-establishes after normal and connects and carry out data transmission;
11), many factories monitor: general headquarters of group can carry out real time monitoring to the condition of production in subordinate Duo Jia sugar refinery simultaneously;
12), the derivation of form and printing: provide the form of generation to derive EXCEL file and printing function;
13), log management: system automatic production record running status, operating personnel's operating process, facilitates keeper to carry out the follow-up investigations of system service condition;
14), data retransmission: by authorization, provide the support of MODBUS data outgoing, as required data are offered to third party software and use.
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| CN104732862A (en) * | 2015-03-12 | 2015-06-24 | 来宾职业教育中心学校 | Teaching and practical training device for sugaring manufacturing technology |
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| CN104950930A (en) * | 2015-06-11 | 2015-09-30 | 滁州市西控电子有限公司 | Sugar manufacturing mixed juice box control system |
| CN104962665A (en) * | 2015-07-16 | 2015-10-07 | 南宁糖业股份有限公司 | Syrup flotation clarifying device using sulfurous method |
| CN105607600A (en) * | 2016-01-19 | 2016-05-25 | 青岛科技大学 | Method for one-key turning on/off of chemical engineering equipment |
| CN105607600B (en) * | 2016-01-19 | 2020-11-03 | 青岛科技大学 | Method for one-key start-stop of chemical device |
| CN107463152A (en) * | 2017-07-14 | 2017-12-12 | 广东省生物工程研究所（广州甘蔗糖业研究所） | A kind of cane sugar factory production scheduling system and its operation method |
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| CN110412960A (en) * | 2019-08-22 | 2019-11-05 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Into squeezing and wisdom production management method and system are squeezed based on the sugar refinery of cloud computing |
| CN110412960B (en) * | 2019-08-22 | 2021-07-06 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Intelligent squeezing and squeezing production management method and system for sugar refinery based on cloud computing |
| CN111781908A (en) * | 2020-08-11 | 2020-10-16 | 中国轻工业南宁设计工程有限公司 | Intelligent full-automatic control system for sugar refining crystallization aiding and honey separation |
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