CN104122875B - 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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- CN104122875B CN104122875B CN201410374019.2A CN201410374019A CN104122875B CN 104122875 B CN104122875 B CN 104122875B CN 201410374019 A CN201410374019 A CN 201410374019A CN 104122875 B CN104122875 B CN 104122875B
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- 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
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- 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]
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 reality of process control technology of refining sugar towards cane sugar manufacture factory
Training teaching center, covers 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 automation, information-based practice-training teaching field.
Background technology
In conventional Higher Occupational Education course, the practice-training teaching of industrial automation specialty is mainly student starts to one
The field instrument of a little general categories（Such as spring manometer, pressure transmitter, temperature sensor）Simply dismounting and adjustment are carried out,
And the unrealized technical process for certain specific industry carries out systematized dynamic on-line debugging.Meanwhile, current occupation religion
Educating needs Lay Importance on Practical and application, stresses the skilled culture of post technical ability, and post personnel can be gone up immediately with meeting enterprise
The requirement on hilllock, realizes personnel training and job " zero distance ".
For the important cane sugar manufacture industry in Guangxi, a whole set of complete vocational education curricular system is there is presently no
To provide sugaring process control technology training service, a large amount of automated systems that sugar refinery has been carried out are caused, it is qualified that major part lacks
The post personnel of technical ability carry out operation and maintenance.
The content of the invention
In order to solve the above problems, for Chinese Sugar Industry automation practitioner's skills training system disappearance, industry is necessary
Set up a set of based on current sugar refinery technological process, and can at many levels, large span carry out sugaring process control technology training
Experience system, including the sugar mill model for meeting full sugar refinery technological process form, meets the main flow of current sugar refinery scene application
Instrument, the Closed Circulation in Sugar Production overall process DCS system of full factory meets the information-based desired production scheduling command system of full level of factory.
The present invention, as carrier, is adopted and is specifically applied to sugar with by the device model of sugar refinery actual production equipment scaled down
The international mainstream brand instrument at factory scene, using the modern industry mechanics of communication such as OPC, MODBUS, PROFIBUS, FTE, build with
Fieldbus is the High-speed Control data network of trunk, using the advance control algorithm model library for adapting to full factory's Row control, structure
Build the other sugar refinery of full level of factory and produce overall process DCS system, the basic platform at a whole set of practice-training teaching center is formed, in this platform base
On, production procedure is reproduced completely using simulated condition system, the Gao Zhen for complying fully with sugar refinery production real condition is provided for trainee
Degree Training Environment.Using radio network technique（WLAN）, field bus technique（MODBUS、OPC）, build production scheduling commander system
System, realizes to the full factory's creation data in sugar refinery, the wired or wireless real-time Transmission of video image digital information and remote monitoring.
The concrete technical scheme that the present invention is taken is as follows：
One kind sugaring process control technology practice training centre, is characterized in that：Practice training centre includes sugar refinery sugar mill model, sugar
Factory's Simulated System, sugar refinery production overall process automatic control system, central control room, wherein：
Sugar refinery sugar mill model makes according to cane sugar manufacture factory actual production equipment profile scaled down, and according to sugar
Factory's squeezing, system refining, the actual sugar refining technology flow process of three workshops of boiler are arranged and connect, while device model is also made
For the installation carrier of field instrument, so as to constitute live training platform；
Measurement point of sugar refinery Simulated System according to simulated field（Such as temperature, pressure, flow, rotating speed）And its measurement
The excursion of point, and the excursion of the actual spot of measurement with reference to sugar refinery production process and its measurement point, build signal imitation
Strategy（Including normal signal strategy and abnormal signal strategy）, simulated according to setting condition and produce the letter similar to actual condition
Number output, the actual condition in sugar refinery is simulated as the signal input of control system during real training, its mainly include field instrument
Partly, the functional software part of simulated field condition of production part and structure signal imitation strategy；
Sugar refinery produces overall process automatic control system and is formulated according to sugar refinery technological process, and its system design and control parameter are matched somebody with somebody
Put with the typical robot control system(RCS) of sugar refinery actual motion as foundation, according to sugar refinery Simulated System transmit come Work condition analogue signal
And the signal of each workshop field instrument, the overall process of sugar refinery production to be implemented to automatically control, it is mainly squeezed including sugar refinery
Workshop overall process DCS automatic control system, sugar refinery clarification evaporation DCS automatic control systems, saccharogenesis DCS automatic control systems, sugar
Factory's private station DCS automatic control systems；
Central control room passes through sugar refinery production scheduling command system, with reference to video wall and monitoring station, the sugar to practice training centre
The control system data of each workshop section in each workshop of factory are managed concentratedly and monitored, and realize remote production management and dispatch control, its
Mainly include video wall and monitoring station and functional software, functional software comprising sugar refinery production scheduling command system server software and
Sugar refinery production scheduling command system client software.
Sugar refinery sugar mill model is arranged by three, sugar refinery workshop and sugar refining technology flow process, each workshop
Capital equipment and technological process relation are as follows：
Milling shop：1# cane conveying belts → 2# cane conveying belt → 5 squeezing unit → mixed juice case；
System refining workshop：A mixed juice case → time heater → stove drying averager → defeco-sulfitated juice case → after-heater → sedimentation
Pond → vacuum suction filter → juice No. case → tri- time heater → five effect evaporator → boiling pan → crystallization in motion case → honey centrifuge；
Boiler shop：Boiler-steam dome, chimney.
The concrete structure of sugar refinery Simulated System includes：
1）, field instrument part：For sugar refinery sugar mill model configuration field instrument, controller and software kit, adopt
The actual products of current industrial practical application, measurable actual signal（Such as temperature, liquid level, flow）, all motor-driven valves, gas
Dynamic valve can control.
2）, simulated field condition of production part：With field apparatus model as carrier, using corresponding field instrument, detection
With liquid level, flow, pressure, temperature, the rotary speed data for controlling each control point, flowmeter, control are installed on model connecting line
Valve, water pump, on each model tank transmitter is installed, and realizes the actual measurement and control of flow, pressure and liquid level；Meanwhile, it is
Squeezer model allied industry motor, frequency converter, speed regulator, by velometer module, measure actual speed, design
Control system can pass through speed regulator controlled motor rotating speed.
3）, build signal imitation strategy functional software part：According to the measurement point of simulated field（Such as temperature, pressure, stream
Amount, rotating speed etc.）And its excursion of measurement point, and the change of the actual spot of measurement with reference to sugar refinery production process and its measurement point
Scope, builds signal imitation strategy（Including normal signal strategy and abnormal signal strategy）, special configuration is into the special control of real training
System processed.System is by trigger output unit, property performance period variable signal, regular variable signal, randomness change
Signal and can manually set with adjust variable signal output.Then the defeated of sugar refinery production overall process automatic control system is accessed
Incoming interface, runs situation and situation when breaking down when relief student gets information about the normal operation of system, instructs and learns
The raw processing method to Common Abnormity situation.
The subsystem that sugar refinery milling shop overall process DCS automatic control system is included has：Sugar refinery equilibrium enters to squeeze metering
Automatic control system, sugar refinery crusher automatic control system, sugar refinery bagasse scale metering system, sugar refinery bagasse moisture content metering system, sugar
Factory's infiltration water automatic control system, sugar refinery press water automatic control system, sugar refinery mixed juice uniformly pump automatic control system, sugar
Factory's crusher axle temperature monitoring system, sugar refinery crusher selfoiling system, sugar refinery mechanical chain automatic control system, the pre- ash in sugar refinery are automatically
Control system, sugar refinery phosphoric acid automatic control system, the control of phosphoric acid addition with it is balanced enter squeezing amount interconnected system, phosphoric acid automatically control
Parameter testing enters to squeeze systematic parameter debugging joint debugging system, uclear scale automatic metering system with balanced.
The subsystem that sugar refinery clarification evaporation DCS automatic control systems are included has：Uniformly pumping is automatic for sugar refinery mixed juice
Uniformly it is pumped from automatic control system, sugar refinery defeco-sulfitated juice in control system, the reheating automatic control system of sugar refinery one, sugar refinery
Uniformly pumping is automatically controlled for autocontrol system, sugar refinery flocculant automatic control system, sugar refinery settling tank monitoring system, sugar factory Cheongju juice
System, Tang Chang Cheongju juice heating automatic control systems, sugar refinery evaporation automatic control system, sugar refinery pressure and temperature reducing station automatically control and are
System, sugar refinery equipressure draining automatic control system, sugar refinery ammonia excretion automatic control system, sugar refinery syrup heating automatic control system, sugar
Factory's syrup uniformly pumps automatic control system, sugar refinery syrup brix automatic metering system.
The subsystem that the saccharogenesis DCS automatic control systems are included has：Sugar refinery material box brix automatic control system, interval
Boil sugared automatic control system, sugar refinery it is vertical continuously boil sugared automatic control system, sugar refinery is horizontal continuously boils sugared automatic control system.
The subsystem that sugar refinery private station DCS automatic control systems are included has：Boiler drum level automatically controls and is
System, automatic control system between boiler steam temperature automatic control system, boiler combustion process automatic control system, boiler water,
Boiler Automatic Dosage Control of Additives system, boiler operatiopn real-time monitoring system, Turbine Safety monitoring system, turbine emergency blocking system
System, steam turbine electro-hydraulic governing system, steam turbine oil pump locking system, generator real-time monitoring system.
The central control room passes through sugar refinery production scheduling command system, with reference to video wall and monitoring station, it is possible to achieve
Function includes：
1), realtime curve：Squeezing, system refining, the data message of each workshop section control point parameter in power houses are shown in real time,
Configuration large-size liquid crystal television is used as Process flow diaphragm centralized displaying；
2), curve map shows：The real-time switch of production scene Ge Duan control points is shown in real time, and temporally condition can be looked into
Ask chart;
3), alarm：The warning message produced by control point in producing overall process carries out real-time prompting；
4), data statistics and storage：It is accumulative by the cycle to yield data, database is automatically stored to, user can basis
Time conditions carry out enquiry of historical data;
5), technological process shows：Software interface is with animation or graphics mode, the actual technique stream in simulative display production scene
Journey；
6), control of authority：Different authority distribution mechanism are carried out to different users, can using different user roles
The function of operation is different；
7), upgrading automatically：Updating for software product can be automatically by the latest edition of network renewal software；
8), remotely access：Client can in real time understand production status in LAN and wide area network remote access server
Information and query history production information.
9), intelligent terminal is supported：Intelligent terminal is installed（Smart mobile phone, panel computer）After client software, intelligent terminal
Production status information and query history production information can in real time be understood by Internet or 3G network, remote access servers.
10), disconnection reconnecting：When the interruption because of network causes data outage, system can be within a certain period of time
Re-establish automatically after network recovery is normal and connect and carry out data transmission；
11), many factory's monitoring：General headquarters of group can be monitored in real time to the condition of production in subordinate Duo Jia sugar refinery simultaneously.
12), the derivation and printing of form：There is provided the form for generating derives 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 forwarding：By authorization, there is provided MODBUS data outgoing is supported, served data to as needed
Third party software is used.
Using having the beneficial effect that for this sugaring process control technology practice training centre：
The study of corresponding practical training project is carried out by using this practice training centre, trainee can be reached to whole sugar refinery
Auxiliary process design is had at fingertips, is had to the technic index in sugar refinery and is in depth understood, and is to be engaged in sugar industry or other automation necks in the future
Domain related work is taken a firm foundation.
Field instrument, controller and software kit that this practice training centre is configured, are current industrial practical applications
The equipment such as actual products, measurable actual signal, motor-driven valve, pneumatic operated valve, motor, water pump are controllable, movable.Supporting control system
With the actual measurement in sugar refinery, control point as foundation, the Simulated System for being done can be considered completely a real industry to system software
Control system.By the training of practice training centre, can with the stronger practical operative ability of training student, problem of thinking independently ability,
Team communication and collaboration capabilities.Student is after graduation, and starting point is higher, can directly participate in the design work of automated system.
Following service can also be carried out using this practice training centre in addition：
(1), technical training：Technical training can be provided for cane sugar manufacture enterprise, for example, the employee for sugar refinery provides scene
Installation, maintenance, the operation of automation control system and the application of instrument, the application of DCS and configuration etc., can become cane sugar manufacture enterprise
The training base of industry sugaring procedure automated control technology.
(2), Technique Authentication：Allow student that the check requirements of every vocational skills are reached by execute-in-place practice, be student
The Technique Authentication trainings such as instrument work, configuration engineer, DCS engineer are provided.
(3), technological service：Carry out automated system technical training, the design of automated system, exploitation for sugar industry enterprise,
Sugar refining technology flow scheme improvements, diagnosis of technique, there is provided the technological service such as technical information.
(4), Skill Competition：Practice training centre can hold sugaring process automation system skill in design contest.
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 control logic block diagram.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention will be further described.
As shown in figure 1, this sugaring process control technology practice training centre includes sugar refinery sugar mill model, sugar refinery Work condition analogue
System, sugar refinery production overall process automatic control system, central control room, wherein sugar mill model in sugar refinery is according to cane sugar manufacture
Factory's actual production equipment profile scaled down makes, and the actual sugaring work in refining, three workshops of boiler is squeezed, made according to sugar refinery
Skill flow process is arranged and connects, while also installing carrier as field instrument；Sugar refinery Simulated System is to field apparatus mould
Each measurement point of type and the field instrument examinations at control point and monitoring, and the measurement point according to simulated field and its measurement
The excursion of point, and the excursion of the actual spot of measurement with reference to sugar refinery production process and its measurement point, build signal imitation
Strategy, simulates according to setting condition and produces the signal output similar to actual condition, as the letter of control system during real training
Number input is simulating the actual condition in sugar refinery；Sugar refinery produces overall process automatic control system and is formulated according to sugar refinery technological process, its
System design and control parameter are configured with the typical robot control system(RCS) of sugar refinery actual motion as foundation, according to sugar refinery Simulated System
Work condition analogue signal and the signal of each workshop field instrument that transmission comes, to the overall process of sugar refinery production control automatically is implemented
System；Central control room passes through sugar refinery production scheduling command system, with reference to video wall and monitoring station, each car in sugar refinery to practice training centre
The control system data of Jian Ge workshop sections are managed concentratedly and monitored, and realize remote production management and dispatch control.
Fig. 2 and Fig. 3 are the site layout project figure of this practice training centre, and sugar refinery sugar mill model of practice training centre divides south and north flanks
Arrangement, wherein milling shop are located at one layer of southern side, and system refining workshop is located at two layers of southern side and north side one, two two-layers, boiler car meta
In the east side in milling shop and system refining workshop, three workshops are arranged and are connected by the actual sugar refining technology flow process in sugar refinery,
The capital equipment and technological process relation in each workshop is as follows：
Milling shop：1# cane conveying belts（On have 1# shredding machines, 2# shredding machines）→ 2# cane conveying belts（On have 3# shredding machines）→5
Seat squeezing unit（Containing head tank, infiltration water tank）→ mixed juice case；
System refining workshop：A mixed juice case → time heater → stove drying averager → defeco-sulfitated juice case → after-heater → sedimentation
Pond → vacuum suction filter → juice No. case → tri- time 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 located at the southern side of three workshops, sugar
Factory's Simulated System includes that the function of field instrument part, simulated field condition of production part and structure signal imitation strategy is soft
Part part, wherein field instrument part correspondence is arranged on the relevant device model in three workshops；Simulated field condition of production portion
Divide and connect each field instrument and the condition of production is simulated, the functional software part for building signal imitation strategy will be according to mould
Intend produced on-site circumstances build signal imitation strategy, and generate corresponding output signal transmit to sugar refinery production overall process it is automatic
Control system；Sugar refinery produces overall process automatic control system and is formulated according to sugar refinery technological process, according to sugar refinery Simulated System
The signal of transmission is implemented to automatically control to each production procedure in three workshops.Sugar refinery Simulated System and sugar refinery produce
The annexation of overall process automatic control system and three workshop equipment does not specifically draw in Fig. 2 and Fig. 3.
Central control room is located at the side of three workshops, by sugar refinery production scheduling command system, coordinates liquid crystal electricity
Depending on the video wall for constituting, the control system data of each workshop section in each workshop in sugar refinery of practice training centre are managed concentratedly and monitored,
Realize remote production management and dispatch control.
The corresponding supporting Practice Curriculum project of this practice training centre covers sugar refinery process control technology basic content, in course
Each post operation code that the work flow formulated is run according to current sugar refinery, complies fully with industry post operation specification.
Meanwhile, by project unit of each workshop, comprehensive practical traning project is set, such comprehensive practical traning is with the engineering project being embodied as
Background, reality teaches pattern specifically penetrates into the links of the project cycle, has both deepened the macroscopic view reason that student operates to engineering project
Solution, has tempered practical operation level of the student to each detail in the project implementation again；In addition, to senior control skill in system real training
The utilization of art, the ability for allowing students part frontier theory to combine with practice is that a part of Ontario Scholar's later stage entrance is higher
The pursuit of advanced studies of one-level universities and colleges lays the first stone.
The deployable practical training project of this practice training centre includes：
1), equilibrium enters to squeeze metering and automatic control system debugging real training；
2), the design of milling shop plant equipment interlock control system, installation, debugging real training；
3), level sensor installation and debugging real training；
4) high water tank, automatic temperature control system design, are permeated, is installed, is debugged 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 setting 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), juice automatic control scheme design real training；
13), system refining workshop automatic control system comprehensive Design, installation, debugging real training；
14), the installation of boiler drum level in-situ transducer, 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, installations, debug real training；
3）, boiler shop automatic control system comprehensive Design, installation, debugging real training；
4）, field instrument verification, installation, wiring, debugging real training.
It is right below by taking practical training project " design of milling shop plant equipment interlock control system, installation, debugging real training " as an example
The application of this practice training centre is described further.
Trainee first passes through the site technique model of cognitive milling shop, is well understood that milling shop main technique stream
Cheng Tedian and service requirement, i.e., numerous plant equipment are distributed according to single-column type, form a continuous-flow type operation line.To avoid because of line
Upper certain equipment fault or artificially start fault cause sugarcane raw material large area heap to block up, and needs flow to backward and realize certainly according to production
Dynamic startup-shutdown interlock protection control.
According to service requirement, the basic design principle of trainee's cohesive process control technology, make principle analysis and original
Typeization is designed, and formulates concrete control strategy and design principle figure, i.e. press apparatus interlocking start and stop logic diagram, as shown in Figure 4.
Concrete control strategy is divided into start and ensures that all kinds of machineries set with interlock protection control, start interlock protection control is shut down
Control to make timely sound to the chance failure shutdown in equipment sequence for interlock protection according to operating standard clean boot, is shut down
Should, it is to avoid the harm that failure is caused expands.
1. interlock protection of starting shooting is controlled
According to start principle：Rotating machinery is first started, then starts conveying equipment,
Rotating machinery power-up sequence is：1# -3# shredding machines, 1# -5# squeezers；
Conveying equipment power-up sequence is：Defeated slag band, 4# -1# rake teeth machines, hyper tape, 2# -1# cane conveying belts.
2. interlock protection control is shut down
As any of which equipment fault is shut down, then the conveying equipment automatic interlock before faulty equipment is shut down.For example, 2# pressures
Crusher disorderly closedown, then 1# rake teeths machine, hyper tape, 2# -1# cane conveying belts automatic interlock is shut down, and other equipment is still normally run.
In above prototype design basis, trainee just can carry out sequencing realization, i.e. start-stop to control strategy
The upper and lower computer programming of machine interlock protection control.Complete to be filled under programming and program, all will produce overall process in sugar refinery
Engineer station on automatic control system platform carries out.
After completing sequencing realization, trainee can carry out equipment joint debugging to the equipment of each configurable control：Personnel
Action will be entered to sugar refinery production technology by sugar refinery Simulated System and field apparatus model according to sugar mill equipment operational procedure
State builds；In sugar refinery production overall process automatic control system, complete the equipment to configurable control and perform control program；Again by
Sugar refinery Simulated System simulation machine halt trouble, now, can be observed whether field control equipment correctly responds, and carry out access control
Program correctness.
Claims (8)
1. a kind of sugaring process control technology practice training centre, practice training centre includes sugar refinery sugar mill model, sugar refinery Work condition analogue
System, sugar refinery production overall process automatic control system, central control room, wherein：
Sugar refinery sugar mill model makes according to cane sugar manufacture factory actual production equipment profile scaled down, and presses according to sugar refinery
Squeeze, system is refined, the actual sugar refining technology flow process of three workshops of boiler is arranged and connects, while device model is also as existing
The installation carrier of field instrument, so as to constitute live training platform；
Sugar refinery Simulated System was produced according to the measurement point of simulated field and its excursion of measurement point with reference to sugar refinery
The actual spot of measurement of journey and its excursion of measurement point, build signal imitation strategy, simulated according to setting condition generation with
The similar signal output of actual condition, the actual condition in sugar refinery is simulated as the signal input of control system during real training, its
The main functional software part including field instrument part, simulated field condition of production part and structure signal imitation strategy；
Sugar refinery produce overall process automatic control system according to sugar refinery technological process formulate, its system design and control parameter configuration with
The typical robot control system(RCS) of sugar refinery actual motion is foundation, the Work condition analogue signal that come according to the transmission of sugar refinery Simulated System and respectively
The signal of workshop field instrument, implements to automatically control to the overall process of sugar refinery production, and it mainly includes sugar refinery milling shop
Overall process DCS automatic control system, sugar refinery clarification evaporation DCS automatic control systems, saccharogenesis DCS automatic control systems, sugar refinery are certainly
Standby power station DCS automatic control systems；
Central control room is each to sugar refinery of practice training centre with reference to video wall and monitoring station by sugar refinery production scheduling command system
The control system data of each workshop section in workshop are managed concentratedly and monitored, and realize remote production management and dispatch control, and its is main
Including video wall and monitoring station and functional software, functional software includes sugar refinery production scheduling command system server software and sugar refinery
Production scheduling command system client software；
The sugaring process control technology practice training centre is characterised by：
The concrete structure of sugar refinery Simulated System includes：
1）, field instrument part：For sugar refinery sugar mill model configuration field instrument, controller and software kit, adopt current
The actual products of industrial practical application, measurable actual signal, all motor-driven valves, pneumatic operated valve can control；
2）, simulated field condition of production part：With field apparatus model as carrier, using corresponding field instrument, detection and control
Liquid level, flow, pressure, temperature, the rotary speed data at each control point are made, flowmeter, control valve, water are installed on model connecting line
Pump, on each model tank transmitter is installed, and realizes the actual measurement and control of flow, pressure and liquid level；Meanwhile, it is squeezer
Model allied industry motor, frequency converter, speed regulator, by velometer module, measure actual speed, the control system for designing
System can pass through speed regulator controlled motor rotating speed；
3）, build signal imitation strategy functional software part：According to the measurement point and its change model of measurement point of simulated field
Enclose, and the excursion of the actual spot of measurement with reference to sugar refinery production process and its measurement point, build signal imitation strategy, specialized groups
, into the special control system of real training, system is by trigger output unit, property performance period variable signal, regular change for state
Signal, randomness variable signal and can manually set with adjust variable signal output, then access sugar refinery production overall process
The input interface of automatic control system.
2. practice training centre according to claim 1, is characterized in that：Sugar refinery sugar mill model is by the production of three, sugar refinery
Workshop and sugar refining technology flow process are arranged, and the capital equipment and technological process relation in each workshop is as follows：
Milling shop：1# cane conveying belts → 2# cane conveying belt → 5 squeezing unit → mixed juice case；
System refining workshop：A mixed juice case → time heater → stove drying averager → defeco-sulfitated juice case → after-heater → settling tank →
Vacuum suction filter → juice No. case → tri- time 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 signal imitation strategy include normal signal strategy and
Abnormal signal strategy.
4. practice training centre according to claim 1, is characterized in that：Sugar refinery milling shop overall process DCS is automatically controlled
The subsystem that system is included 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 automatically control and are
System, sugar refinery mixed juice uniformly pump automatic control system, sugar refinery crusher axle temperature monitoring 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, phosphoric acid addition
Control with it is balanced enter squeezing amount interconnected system, phosphoric acid automatically control parameter testing and equilibrium enter to squeeze systematic parameter debug joint debugging system,
Uclear scale automatic metering system.
5. practice training centre according to claim 1, is characterized in that：Sugar refinery clarification evaporation DCS automatic control system bags
The subsystem for containing has：Sugar refinery mixed juice is uniformly pumped in automatic control system, the reheating automatic control system of sugar refinery one, sugar refinery
Automatic control system, sugar refinery flocculant automatic control system, sugar refinery sedimentation are uniformly pumped with automatic control system, sugar refinery defeco-sulfitated juice
Cell monitoring system, sugar factory Cheongju juice uniformly pump automatic control system, sugar factory Cheongju juice heating automatic control systems, sugar refinery evaporation automatically
Control system, sugar refinery pressure and temperature reducing station automatic control system, sugar refinery equipressure draining automatic control system, sugar refinery ammonia excretion are automatically controlled
System, sugar refinery syrup heating automatic control system, sugar refinery syrup uniformly pump automatic control system, sugar refinery syrup brix and count automatically
Amount system.
6. practice training centre according to claim 1, is characterized in that：The subsystem that the saccharogenesis DCS automatic control systems are included
System has：Sugar refinery material box brix automatic control system, intermittently boil sugared automatic control system, the vertical sugar that continuously boils in sugar refinery and automatically control
System, sugar refinery is horizontal continuously boils sugared automatic control system.
7. practice training centre according to claim 1, is characterized in that：Sugar refinery private station DCS automatic control system bags
The subsystem for containing has：Boiler drum level automatic control system, boiler steam temperature automatic control system, boiler combustion process are certainly
Automatic control system between autocontrol system, boiler water, boiler Automatic Dosage Control of Additives system, boiler operatiopn real-time monitoring system,
Turbine Safety monitoring system, turbine emergency interrupting system, steam turbine electro-hydraulic governing system, steam turbine oil pump locking system,
Generator real-time monitoring system.
8. practice training centre according to claim 1, is characterized in that：The central control room is commanded by sugar refinery production scheduling
System, with reference to video wall and monitoring station, the function of realization includes：
1), realtime curve：Squeezing, system refining, the data message of each workshop section control point parameter in power houses, configuration are shown in real time
Large-size liquid crystal television is used as Process flow diaphragm centralized displaying；
2), curve map shows：The real-time switch of production scene Ge Duan control points is shown in real time, and temporally can be gone through condition query
History tendency chart；
3), alarm：The warning message produced by control point in producing overall process carries out real-time prompting；
4), data statistics and storage：It is accumulative by the cycle to yield data, database is automatically stored to, user can be according to the time
Condition carries out enquiry of historical data；
5), technological process shows：Software interface is with animation or graphics mode, the actual technological process in simulative display production scene；
6), control of authority：Different authority distribution mechanism are carried out to different users, is operable to using different user roles
Function it is different；
7), upgrading automatically：Updating for software product can be automatically by the latest edition of network renewal software；
8), remotely access：Client can in real time understand production status information in LAN and wide area network remote access server
With query history production information；
9), intelligent terminal is supported：After installing intelligent terminal client software, intelligent terminal can pass through Internet or 3G network,
Remote access servers, understand in real time production status information and query history production information；
10), disconnection reconnecting：When the interruption because of network causes data outage, system can network within a certain period of time
Re-establish automatically after recovering normally and connect and carry out data transmission；
11), many factory's monitoring：General headquarters of group can be monitored in real time to the condition of production in subordinate Duo Jia sugar refinery simultaneously；
12), the derivation and printing of form：There is provided the form for generating derives EXCEL file and printing function；
13), log management：System automatic production record running status, operating personnel's operating process facilitates keeper to carry out system
The follow-up investigations of service condition；
14), data forwarding：By authorization, there is provided the support of MODBUS data outgoing, the 3rd is served data to as needed
Square software is used.
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| CN104460599B (en) * | 2014-11-04 | 2017-05-24 | 中国轻工业南宁设计工程有限公司 | Automatic sugarcane squeezing control system |
| 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 |
| CN104898614A (en) * | 2015-04-30 | 2015-09-09 | 广西职业技术学院 | Cane sugar production process simulation control teaching experiment apparatus and working method |
| 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 |
| CN105607600B (en) * | 2016-01-19 | 2020-11-03 | 青岛科技大学 | Method for one-key start-stop of chemical device |
| CN107463152B (en) * | 2017-07-14 | 2023-08-11 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Sugarcane sugar factory production command scheduling system and operation method thereof |
| 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 |
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| US3826905A (en) * | 1971-10-27 | 1974-07-30 | Suomen Sokeri Oy | Methods and apparatus for providing automatic control of chromatographic fractionating processes |
| WO2012042319A2 (en) * | 2010-10-01 | 2012-04-05 | Abb Research Ltd | A system and a method for controlling purification of juice in a sugar mill |
| CN202297609U (en) * | 2011-11-01 | 2012-07-04 | 广西大学 | Open-type intelligent monitoring comprehensive experimental platform for cane sugar boiling process |
| CN102505048B (en) * | 2011-11-01 | 2014-05-07 | 广西大学 | Open type intelligent monitoring comprehensive experiment platform in sugarcane sugar boiling process |
| CN103365274A (en) * | 2013-07-09 | 2013-10-23 | 广西宏智科技有限公司 | Automatic control system for clarification and evaporating process of sugar refinery |
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