CN102231068B - System and method for controlling three-dimensional line powder production - Google Patents
System and method for controlling three-dimensional line powder production Download PDFInfo
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- CN102231068B CN102231068B CN201110080726.7A CN201110080726A CN102231068B CN 102231068 B CN102231068 B CN 102231068B CN 201110080726 A CN201110080726 A CN 201110080726A CN 102231068 B CN102231068 B CN 102231068B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 45
- 239000000843 powder Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005070 sampling Methods 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000013459 approach Methods 0.000 claims description 25
- 235000013312 flour Nutrition 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000009472 formulation Methods 0.000 claims description 7
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- 239000000446 fuel Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000002000 scavenging effect Effects 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 abstract 3
- 239000000047 product Substances 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012549 training Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 230000003203 everyday effect Effects 0.000 description 1
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- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to a system and method for controlling three-dimensional line powder production, belonging to the technical field of control over powder production. The system comprises an extruder, a touch screen industrial computer, an intelligent sampling system and a PLC (Programmable Logic Controller) control system, wherein the extruder is connected with a tabletting machine; the peripheries of the extruder and the tabletting machine are provided with cooling devices; the tabletting machine is connected with a feed valve; the feed valve is connected with a pulverizing mill; a draught fan is arranged between the feed valve and the pulverizing mill; a main mill and a grading mill are arranged in the pulverizing mill; the grading mill is communicated with a cyclone separator; the bottom of the cyclone separator is communicated with a rotary sieve, and the top of the cyclone separator is communicated with a dust removing box; a butterfly valve is arranged between the cyclone separator and the rotary sieve; and a frequency converter, the sampling system and the PLC control system are in communication connection with the industrial computer through RS485 buses respectively. Due to the adoption of the system and the method, the trouble of walking for operation is eliminated for an operator, the entire system can be operated directly in a finished product region, the quality and safety of products can be ensured, and the production efficiency is effectively increased.
Description
Technical field
The present invention relates to a kind of stereo line powder production control system and control method thereof, belong to powder production control technology field.
Background technology
Current, along with modern automobile industry, the high speed development of chemical industry and spraying industry, also obtain applying very widely as non-oleaginous powder spray technology, accordingly, the demand of powdery paints also grows with each passing day, and the powdery paints manufacturer therefore ease for use to powder production equipment, agility, real-time, accuracy has proposed higher technical requirement.
At present, powder production still adopts the control mode of manually+electrical control cubicles, and its operation steps is as follows:
1, starting outfit general supply; 2, whether workman's hand inspection equipment various piece is normal or clean; 3, all errorless after, workman's extruder part that starts to heat; 4,, after temperature reaches, workman starts by sequence and turns sieve, butterfly valve, and grading mill, blower fan, main mill, sheet stock feeding valve, sheeter and steel band, be then screw rod; 5, in the time that system is normal, workman starts main feeding machine, starts normally to produce; 6, after production finishes, workman stops main feeding machine and stops in order compressing tablet, steel band, sheet stock feeding valve, main mill, blower fan, grading mill, butterfly valve and turn sieve.Then start auxiliary feeding machine, carry out clear work; 7,, after clear work completes, workman stops auxiliary feeding and screw rod motor more in order;
There is following defect in above-mentioned this production run of manually participating in the overall process: 1, quality is unstable, there are various difference in different workman's operating process, temperature while startup such as screw rod, the speed of each motor, preforming roller working temperature all can have influence on product quality; 2, the training cycle long, for a common laborer, if can be normal, accurately without the three-dimensional line of maloperation powder, need to be through training and the training of several months and even several years; 3, security is low, when manual operation, because the problems such as personal security Consciousness Problem or work fatigue all can be shone into unsafe conditions generation.Such as the screw rod of High Rotation Speed, main mill blade, pulverizes bar, melting high-temperature region, and human injury all likely causes in pressure roller district etc.And due to workman's misoperation, be also easy to cause device damage or accelerated deterioration; 4, confidentiality is poor: there is the special powder production technology of oneself in each powder production factory, such as temperature, and motor speed etc.In the time producing, require each workman to be familiar with grasping the related process parameter of each powder.Because quality of workers is loaded down with trivial details with management, be easy to cause technological parameter to lose, reveal and mistake; 5, production efficiency is low, and in the past, in the time breaking down, relevant information, needs skilled labor or specialized maintenance personnel to analyze, judgement and solution.Often a minor issue can delay a large amount of production times.And because system production data depends on operating personnel's experience, shine into end product quality unstable, produce and all need repeated examinations and test each time.Significant wastage manpower and materials; 6, labour intensity is large, owing to producing each time, all needs the every switch of workman's repeatable operation, and knob, runs in Electric Appliance Cabinet console panel and turn to sift out between powder district, easily tired, has also limited turnout, has increased operation staff, increases waste.
Summary of the invention
The object of the invention is to solve the weak point that above-mentioned prior art exists, a kind of three-dimensional powder production control system and control method thereof that can ensure product quality, safety and production efficiency is provided.
The present invention adopts EVC touch panel computer computer, solve operative employee and need to run the worry of operation, directly just can operate whole system in finished product district, the present invention by industrial control computer in conjunction with subscriber control information, on-the-spot feedback information and inner formulation data library information, comprehensive analytical calculation, finally export control command, commander PLC, frequency converter, solid-state relay, relay completes every production operation.
Stereo line powder production control system of the present invention, comprise extruder, extruder is connected with the sheeter 2 for material being carried out to compressing tablet, extruder and sheeter 2 outer is arranged with for cooling its two cooling device, sheeter 2 is connected with feeding valve 11, feeding valve 11 is connected with flour mill, between feeding valve 11 and flour mill, be provided with for generation of negative-pressure air-flow, the induced draft fan 12 of convey materials, in flour mill, be provided with the main mill 13 for sheet material being broken into granular material and the grading mill 14 for satisfactory material screen is elected, grading mill 14 is communicated with the cyclone separator 1 for gentle material flow point is opened, cyclone separator 1 bottom is communicated with and turns sieve 3, top is communicated with dust cleaning case 28, wind separation vessel 1 and turn sieve and be provided with butterfly valve 27 between 3, wherein, extruder, sheeter 2, flour mill, feeding valve 11, turn on sieve 3 and be equipped with motor 25, motor 25 is connected with the frequency converter 26 for driving its running, its special character is also to comprise:
EVC touch panel computer 4;
The intellegent sampling system of whether opening for monitoring pressure, temperature, flow parameter and the monitoring flour mill mill lid of each several part in extruder, sheeter 2, cooling device;
Be used for monitoring extruder, sheeter 2, the on off state parameter of each several part in flour mill, for the PLC control system of opertaing device each several part break-make;
Described extruder comprises the feeding machine 5 that is provided with dog-house, feeding machine 5 comprise for the production of main feeding machine with for the auxiliary feeding machine of clear, feeding machine 5 is communicated with the Hot mixer 6 for mixture, and Hot mixer 6 is connected with screw rod motor 7 and the gear case 8 for driving its running;
Described cooling device comprises that cold water inlet pipe 9 and the cold water of being located at extruder and sheeter 2 peripheries go out pipe 10;
Described sampling system comprises temperature sensor 15, pressure unit 16, flow transmitter 17, proximity transducer, sampling module 18, is specially the gear case pressure unit and the gear case temperature sensor that are installed on gear case 8 belows, be installed on the Hot mixer temperature sensor on Hot mixer 6, be installed on cooling water inlet pressure unit and cooling water inlet temperature sensor on cold water inlet pipe 9, be installed on cold water and go out cooling water outlet pressure unit and the cold water outlet temperature sensor on pipe 10, be installed on air intake transmitter and air intake pressure unit on induced draft fan 12, be installed on Inlet and outlet water temperature sensor and Inlet and outlet water pressure unit on sheeter 2, be installed on mill lid on the flour mill proximity transducer of uncapping, above-mentioned each temperature sensor 15, pressure unit 16, flow sensor 17, proximity transducer is connected with respectively the sampling module 18 for analog quantity dress being changed to digital quantity, and sampling module is connected with RS485 bus, thus real-time being presented on industrial computer 4 of the information that sampling system is collected,
The approach switch 20 that described PLC control system comprises PLC19 and is connected with PLC19, for sheeter 2 and extruder are carried out to the anxious scram button 21 that stops control, for Hot mixer 6 being added to the solid-state relay 22 of heat control, for the contactor 23 of control system motor switch, for controlling the relay solenoid valve 24 of the peripheral cold water inlet pipe of Hot mixer 6 break-make, approach switch 20 is installed on respectively feeding machine 5 sides, gear case 8 rear portions, sheeter 2 rear portions, sheeter 2 sides, main mill 13 mill lid belows, scram button 21 is installed on respectively the front portion of sheeter 2, on the support of gear case 8 sides, PLC19 analyzes judgement by various monitor signals according to internal logic, transfer signals on industrial computer 4 by RS-485 bus simultaneously, the recipe database that industrial computer 4 has built according to inside, to the interpretation of every detection data analysis, automatically performs operations according to judged result,
Described approach switch 20 comprises that the screw rod that the feeding machine approach switch being connected with feeding machine 5, the crushing bin being connected with the crushing bin in sheeter are uncapped approach switch, approach switch is uncapped in the compressing tablet storehouse that is connected with compressing tablet Cang Canggai, be connected with the screw rod on screw rod motor 7 is crossed moment approach switch, the main mill that is connected with the mill lid of main mill 13 is uncapped approach switch;
Described scram button 21 comprises the sheeter scram button being connected with sheeter 2, the extruder scram button being connected with extruder;
Described contactor 23 comprise with turn sieve 3 contactors that are connected, the contactor being connected with induced draft fan 12, the contactor being connected with the superfine powder discharge device of being located at dust cleaning case 28 belows, with contactor for being connected to the Oil pump electrical machinery of gear case 8 fuel feeding.
The control method of stereo line powder production control system of the present invention is as follows:
1, open system master switch, system powers on, and industrial computer 4 self-inspections also enter equipment flowsheet picture, and login system, opens control interface;
2, press the auto-start button on industrial computer 4, system enters automatic start-up mode, and system work process is as follows:
First system samples hot mixed zone temperature by sampling module 18, whether the industrial computer 4 at once temperature of interpretation Hot mixer 6 reaches, if do not had, in system wait, if temperature reaches, system reads the automatic operation formula having set in formula module, according to time data wherein, starts successively all parts;
In the time that the temperature in Hot mixer 6 is up to standard, industrial computer 4 sends connection signal to PLC19, PLC19 output drive signal, by with turn sieve 3 contactors that are connected 23 connect, turn sieve 3 and butterfly valve 27 and move, the switch periods of butterfly valve 27 has been specified and has been downloaded in PLC19 in formula;
When turning after sieve 3 and butterfly valve 27 normal operations, PLC19 output startup command is to the frequency converter being connected with grading mill 14 motors in flour mill, grading mill electric motor starting, drive grading mill 14 to move, due to grading mill 14, system arrives setting value according to startup gradient Intelligent lifting grading mill 14 rotating speeds in formula setting;
After grading mill 14 rotating speeds are normal, industrial computer 4 successively control PLC 19 starts induced draft fan 12, and time parameter reads formulation parameter by industrial computer 4 and downloads in PLC19; Because induced draft fan 12 power are larger, therefore PLC19 adopts star triangle start mode to start induced draft fan 12;
After induced draft fan 12 starts normally, system starts main mill 13, and after main mill 13 is stable, system starts feeding valve 11 and sheeter 2 successively;
After sheeter 2 starts normally, system starts to start 7 frequency conversions of screw rod motor, completes screw rod start-up course; Due to the singularity of screw rod motor, system intelligent starts screw rod motor, and first, system provides after low speed frequency of screw rod motor frequency conversion, judge that whether screw rod motor torque is normal, exceed torque limit value if torque sharply raises, it is 0 that system arranges frequency conversion speed at once, after wait certain hour, judges in output low frequency value, if torque meets the requirements, system slowly increases frequency conversion value until setting value so far, completes screw rod start-up course;
After screw rod starts normally, system starts the not main feeding machine of feeding machine 5 automatically, starts production run.
More than operation all completes automatically, need not manually participate in.Operative employee is required, and what do is exactly to wait for that in finished product district finished product exports and pack;
3, in the time producing end, login system, press automatic stop button halt system, after system obtains ceasing and desisting order, output frequency converter is ceased and desisted order and is stopped main feeding motor, after time delay certain hour, stop successively motor, induced draft fan, the grading mill of the motor of sheeter, the motor of feeding valve, main mill motor and butterfly valve, turn the motor of sieve, then system starts auxiliary feeding machine automatically, carries out screw rod cleaning.After scavenging period completes, system closing auxiliary feeding machine and screw rod, stop heating;
If 4 operators do not close primary power, the heating meeting of second day is according to heating schedule formula Automatic-heating so.
A kind of stereo line powder production control system of the present invention, reasonable in design, by industrial control computer in conjunction with subscriber control information, on-the-spot feedback information and inner formulation data library information, comprehensive analytical calculation, finally export control command, commander PLC, frequency converter, solid-state relay, relay completes every production operation, by industrial computer, PLC, frequency converter and sampling module organic connections are got up, solve operative employee and need to run the worry of operation, directly just can operate whole system in finished product district, can guarantee product quality, safety, effectively raise production efficiency.
Brief description of the drawings
Fig. 1: extruder of the present invention, sheeter, feeding valve, blower fan, flour mill, turn the structural representation of sieve;
Fig. 2: the structural representation of industrial computer of the present invention, sampling system, PLC control system.
In figure: 1, clasfficiator, 2, sheeter, 3, turn sieve, 4, industrial computer, 5, feeding machine, 6, Hot mixer, 7, screw rod motor, 8, gear case, 9, cold water inlet pipe, 10, cold water goes out pipe, 11, feeding valve, 12, induced draft fan, 13, main mill, 14, grading mill, 15, temperature sensor, 16, pressure unit, 17, flow transmitter, 18, sampling module, 19, PLC, 20, approach switch, 21, scram button, 22, solid-state relay, 23, contactor, 24, relay solenoid valve, 25, motor, 26, frequency converter, 27, butterfly valve, 28, dust cleaning case.
Embodiment
Provide the specific embodiment of the present invention below with reference to accompanying drawing, be used for that the present invention is described further.
Embodiment 1
The stereo line powder production control system of the present embodiment, comprise extruder, extruder is connected with the sheeter 2 for material being carried out to compressing tablet, extruder and sheeter 2 outer is arranged with for cooling its two cooling device, sheeter 2 is connected with feeding valve 11, feeding valve 11 is connected with flour mill, between feeding valve 11 and flour mill, be provided with for generation of negative-pressure air-flow, the induced draft fan 12 of convey materials, in flour mill, be provided with the main mill 13 for sheet material being broken into granular material and the grading mill 14 for satisfactory material screen is elected, grading mill 14 is communicated with the cyclone separator 1 for gentle material flow point is opened, cyclone separator 1 bottom is communicated with and turns sieve 3, top is communicated with dust cleaning case 28, wind separation vessel 1 and turn sieve and be provided with butterfly valve 27 between 3, wherein, extruder, sheeter 2, flour mill, feeding valve 11, turn on sieve 3 and be equipped with motor 25, motor 25 is connected with the frequency converter 26 for driving its running, also comprise: EVC touch panel computer 4, the intellegent sampling system of whether opening for monitoring pressure, temperature, flow parameter and the monitoring flour mill mill lid of each several part in extruder, sheeter 2, cooling device, be used for monitoring extruder, sheeter 2, the on off state parameter of each several part in flour mill, for the PLC control system of opertaing device each several part break-make, frequency converter 26, sampling system, PLC control system are connected with industrial computer 4 communications by RS485 bus respectively.
Extruder comprises the feeding machine 5 that is provided with dog-house, feeding machine 5 comprise for the production of main feeding machine with for the auxiliary feeding machine of clear, feeding machine 5 is communicated with the Hot mixer 6 for mixture, and Hot mixer 6 is connected with screw rod motor 7 and the gear case 8 for driving its running;
Cooling device comprises that cold water inlet pipe 9 and the cold water of being located at extruder and sheeter 2 peripheries go out pipe 10;
Sampling system comprises temperature sensor 15, pressure unit 16, flow transmitter 17, proximity transducer, sampling module 18, is specially the gear case pressure unit and the gear case temperature sensor that are installed on gear case 8 belows, be installed on the Hot mixer temperature sensor on Hot mixer 6, be installed on cooling water inlet pressure unit and cooling water inlet temperature sensor on cold water inlet pipe 9, be installed on cold water and go out cooling water outlet pressure unit and the cold water outlet temperature sensor on pipe 10, be installed on air intake transmitter and air intake pressure unit on induced draft fan 12, be installed on Inlet and outlet water temperature sensor and Inlet and outlet water pressure unit on sheeter 2, be installed on mill lid on the flour mill proximity transducer of uncapping, above-mentioned each temperature sensor 15, pressure unit 16, flow sensor 17, proximity transducer is connected with respectively the sampling module 18 for analog quantity dress being changed to digital quantity, and sampling module is connected with RS485 bus, thus real-time being presented on industrial computer 4 of the information that sampling system is collected,
The approach switch 20 that PLC control system comprises PLC19 and is connected with PLC19, for sheeter 2 and extruder are carried out to the anxious scram button 21 that stops control, for Hot mixer 6 being added to the solid-state relay 22 of heat control, for the contactor 23 of control system motor switch, for controlling the relay solenoid valve 24 of the peripheral cold water inlet pipe of Hot mixer 6 break-make, approach switch 20 is installed on respectively feeding machine 5 sides, gear case 8 rear portions, sheeter 2 rear portions, sheeter 2 sides, main mill 13 mill lid belows, scram button 21 is installed on respectively the front portion of sheeter 2, on the support of gear case 8 sides, PLC19 analyzes judgement by various monitor signals according to internal logic, transfer signals on industrial computer 4 by RS-485 bus simultaneously, the recipe database that industrial computer 4 has built according to inside, to the interpretation of every detection data analysis, automatically performs operations according to judged result,
The control method of stereo line powder production control system of the present invention is as follows:
1, user opens system master switch, system powers on, industrial computer 4 self-inspections also enter equipment flowsheet picture, do not meet working condition part (mill lid leaves if found that there is in self-inspection, feeding machine 5 positions are not right, sheeter 2 lids leave, comminutor is uncapped, cold water temperature is too high, cold water pressure is low, gear case 8 temperature are high, gear case 8 pressure are low etc.), system can highlight prompting operation work and note on the process picture of industrial computer 4, if no problem, operative employee's login system, input password, open control interface, whether the setting speed of observing each motor is correct, owing to being formula definition, can not revise, avoid operative employee to change running parameter according to personal inclination,
2, operative employee presses the auto-start button on industrial computer 4, and system enters automatic start-up mode, and system work process is as follows:
First system samples hot mixed zone temperature by sampling module 18, whether the industrial computer 4 at once temperature of interpretation Hot mixer 6 reaches, if do not had, in system wait, if temperature reaches, system reads the automatic operation formula having set in formula module, according to time data wherein, starts successively all parts;
In the time that the temperature in Hot mixer 6 is up to standard, industrial computer 4 sends connection signal to PLC19, PLC19 output drive signal, by with turn sieve 3 contactors that are connected 23 connect, turn sieve 3 and butterfly valve 27 and move, the switch periods of butterfly valve 27 has been specified and has been downloaded in PLC19 in formula;
When turning after sieve 3 and butterfly valve 27 normal operations, PLC19 output startup command is to the frequency converter being connected with grading mill 14 motors in flour mill, grading mill electric motor starting, drive grading mill 14 to move, due to grading mill 14, system arrives setting value according to startup gradient Intelligent lifting grading mill 14 rotating speeds in formula setting;
After grading mill 14 rotating speeds are normal, industrial computer 4 successively control PLC 19 starts induced draft fan 12, and because induced draft fan 12 power are larger, therefore PLC19 adopts star triangle start mode to start induced draft fan 12, and time parameter reads formulation parameter by industrial computer 4 and downloads in PLC19;
After induced draft fan 12 starts normally, system starts main mill 13, and after main mill 13 is stable, system starts feeding valve 11 and sheeter 2 successively;
After sheeter 2 starts normally, system starts to start screw rod motor frequency conversion, due to the singularity of screw rod motor, system intelligent starts screw rod motor, first, system provides after low speed frequency of screw rod motor frequency conversion, judge that whether screw rod motor torque is normal, exceed torque limit value if torque sharply raises, it is 0 that system arranges frequency conversion speed at once, after wait certain hour, judges in output low frequency value, if torque meets the requirements, system slowly increases frequency conversion value until setting value so far, completes screw rod start-up course;
After screw rod starts normally, system starts main feeder automatically, starts production run.
More than operation all completes automatically, need not manually participate in.Operative employee is required, and what do is exactly to wait for that in finished product district finished product exports and pack;
3, in the time producing end, operative employee's login system, after input password, press automatic stop button halt system, system obtains after ceasing and desisting order of operative employee, and output frequency converter is ceased and desisted order and stopped main feeding motor, after time delay certain hour, stop successively motor, induced draft fan, the grading mill of the motor of sheeter, the motor of feeding valve, main mill motor and butterfly valve, turn the motor of sieve, then system starts auxiliary feeding machine automatically, carries out screw rod cleaning.After scavenging period completes, system closing auxiliary feeding machine and screw rod, stop heating;
If 4 operators do not close primary power, the heating meeting of second day is according to heating schedule formula Automatic-heating so.
The whole system software module of the present embodiment comprises user management module, formulation management module, safety management module and production management module.User management module comprises to be checked user identity, cryptographic checksum change of secret code function.Guarantee system production safety and technical know-how.Formulation management module is the basis of system works, and it has determined the related work mode of system each several part.For example, while automatically startup, the boot sequence of each several part.The temperature requirement that Hot mixer screw rod starts.Hot mixer screw rod travelling speed etc.Safety management module is real-time control module, and its effect is protection operating personnel and device security.Once for example crushing bin is opened, stop at once pressure roller and comminutor work, feed back on touch-screen simultaneously.Gear case excess Temperature, stops screw rod machine operation automatically, feeds back on touch-screen simultaneously.Production management module is mainly used in improving system management, records service data and process data etc.
Additional function:
Also take into full account user's various requirement, following function be provided:
1, heating schedule management: native system considers that the heat time of hot mixed zone is longer, can delay to a certain extent normal production, therefore designed heating schedule management, as long as set the heat time of every day in one week, arrived setting-up time system and can automatically start heating arrangement.Ensure can directly start to produce after user's working, wherein, because system clock is not containing Zhou Shizhong, also need, according to particular algorithm programming, to calculate Zhou Shizhong.
2, multilevel mode management: because the various requirement in producing is different and the requirement of system maintenance, designed schema management.System works pattern is divided into safe mode, automatic operation mode and maintenance mode.Under safe mode, user can start and halt system work by the method for operating that is similar to existing equipment.Automatic operation mode is exactly system one key operator scheme, greatly saves manpower, raises the efficiency and the quality of production.Under fine mode, user interface is similar to safe mode, but system has been removed all safety interlockings and protection, while being mainly used in system maintenance inspection and maintenance, uses;
3, logout and warning: in order to ensure normal operation and the fault tracing of system, designed event recording function.Can be with the LoginLogout of the mode recording user of database, operation and alert event.Database can download on management computer and open analysis.And in the time of logging in system by user, system can automatically be taken pictures user's head portrait remain, as historical summary;
4, safety interlocking protection: for guarantee system is reliable and operative employee's person safety, designed various safety interlocking functions.For example crushing bin is uncapped chain, and compressing tablet storehouse is uncapped chain;
5, network function: system can be networked, signs in to historical record on the data server of corporate management in real time, is convenient to quality analysis and fault tracing.
Claims (8)
1. stereo line powder production control system, comprise extruder, extruder is connected with the sheeter (2) for material being carried out to compressing tablet, extruder and sheeter (2) outer is arranged with for cooling its two cooling device, sheeter (2) is connected with feeding valve (11), feeding valve (11) is connected with flour mill, between feeding valve (11) and flour mill, be provided with for generation of negative-pressure air-flow, the induced draft fan (12) of convey materials, in flour mill, be provided with the main mill (13) for sheet material being broken into granular material and the grading mill (14) for satisfactory material screen is elected, grading mill (14) is communicated with the cyclone separator (1) for gentle material flow point is opened, cyclone separator (1) bottom is communicated with and turns sieve (3), top is communicated with dust cleaning case (28), cyclone separator (1) and turn and be provided with butterfly valve (27) between sieve (3), wherein, extruder, sheeter (2), flour mill, feeding valve (11), turn and on sieve (3), be equipped with motor (25), motor (25) is connected with the frequency converter (26) for driving its running,
EVC touch panel computer (4);
The pressure, temperature, flow parameter and the monitoring flour mill mill that are used for monitoring each several part in extruder, sheeter (2), cooling device cover the intellegent sampling system of whether opening;
Be used for monitoring extruder, sheeter (2), the on off state parameter of each several part in flour mill, for the PLC control system of opertaing device each several part break-make;
Frequency converter (26), sampling system, PLC control system are connected with industrial computer (4) communication by RS485 bus respectively;
Characterized by further comprising:
Described extruder comprises the feeding machine (5) that is provided with dog-house, feeding machine (5) comprise for the production of main feeding machine with for the auxiliary feeding machine of clear, feeding machine (5) is communicated with the Hot mixer (6) for mixture, and Hot mixer (6) is connected with screw rod motor (7) and the gear case (8) for driving its running.
2. according to stereo line powder production control system claimed in claim 1, it is characterized in that described cooling device comprises that cold water inlet pipe (9) and the cold water of being located at extruder and sheeter (2) periphery go out pipe (10).
3. according to stereo line powder production control system claimed in claim 1, it is characterized in that described sampling system comprises temperature sensor (15), pressure unit (16), flow transmitter (17), proximity transducer, sampling module (18), be specially the gear case pressure unit and the gear case temperature sensor that are installed on gear case (8) below, be installed on the Hot mixer temperature sensor on Hot mixer (6), be installed on cooling water inlet pressure unit and cooling water inlet temperature sensor on cold water inlet pipe (9), be installed on cold water and go out cooling water outlet pressure unit and the cold water outlet temperature sensor on pipe (10), be installed on air intake transmitter and air intake pressure unit on induced draft fan (12), be installed on Inlet and outlet water temperature sensor and Inlet and outlet water pressure unit on sheeter (2), be installed on mill lid on the flour mill proximity transducer of uncapping, above-mentioned each temperature sensor (15), pressure unit (16), flow sensor (17), proximity transducer is connected with respectively the sampling module (18) for analog quantity dress being changed to digital quantity, sampling module is connected with RS485 bus, thereby what the information that sampling system is collected was real-time is presented on industrial computer (4).
4. according to stereo line powder production control system claimed in claim 1, it is characterized in that the approach switch (20) that described PLC control system comprises PLC (19) and is connected with PLC (19), for sheeter (2) and extruder are carried out to the anxious scram button (21) that stops control, for Hot mixer (6) being added to the solid-state relay (22) of heat control, for the contactor (23) of control system motor switch, be used for controlling the relay solenoid valve (24) of the peripheral cold water inlet pipe of Hot mixer (6) break-make, approach switch (20) is installed on respectively feeding machine (5) side, gear case (8) rear portion, sheeter (2) rear portion, sheeter (2) side, main mill (13) mill lid below, scram button (21) is installed on respectively the front portion of sheeter (2), on the support of gear case (8) side.
5. according to stereo line powder production control system claimed in claim 4, it is characterized in that the screw rod that described approach switch (20) comprises that the feeding machine approach switch being connected with feeding machine (5), the crushing bin being connected with the crushing bin in sheeter are uncapped approach switch, approach switch is uncapped in the compressing tablet storehouse that is connected with compressing tablet Cang Canggai, be connected with the screw rod on screw rod motor (7) is crossed moment approach switch, the main mill that is connected with the mill lid of main mill (13) is uncapped approach switch.
6. according to stereo line powder production control system claimed in claim 4, it is characterized in that described scram button (21) comprises the sheeter scram button being connected with sheeter (2), the extruder scram button being connected with extruder.
7. according to stereo line powder production control system claimed in claim 4, it is characterized in that described contactor (23) comprise with turn the contactor that sieve (3) is connected, the contactor being connected with induced draft fan (12), the contactor being connected with the superfine powder discharge device of being located at dust cleaning case (28) below, with contactor for being connected to the Oil pump electrical machinery of gear case (8) fuel feeding.
8. the control method of the stereo line powder production control system described in arbitrary claim in claim 1-7, is characterized in that step is as follows:
1), open system master switch, system powers on, industrial computer (4) self-inspection also enters equipment flowsheet picture, login system, opens control interface, whether the setting speed of observing each motor correct;
2), press the auto-start button on industrial computer (4), system enters automatic start-up mode, system work process is as follows:
First system samples hot mixed zone temperature by sampling module (18), whether industrial computer (4) the at once temperature of interpretation Hot mixer (6) reaches, if do not had, in system wait, if temperature reaches, system reads the automatic operation formula having set in formula module, according to time data wherein, starts successively all parts;
In the time that the temperature in Hot mixer (6) is up to standard, industrial computer (4) sends connection signal to PLC (19), PLC (19) output drive signal, will with turn the contactor (23) that sieve (3) is connected and connect, turn sieve (3) and butterfly valve (27) operation, the switch periods of butterfly valve (27) has been specified and has been downloaded in PLC (19) in formula;
When turning after sieve (3) and butterfly valve (27) normal operation, PLC (19) output startup command is to the frequency converter being connected with grading mill (14) motor in flour mill, grading mill electric motor starting, drive grading mill (14) operation, due to the feature of grading mill (14), system arrives setting value according to startup gradient Intelligent lifting grading mill (14) rotating speed in formula setting;
After grading mill (14) rotating speed is normal, industrial computer (4) successively control PLC (19) starts induced draft fan (12), and time parameter reads formulation parameter by industrial computer (4) and downloads in PLC (19);
After induced draft fan (12) starts normally, system starts main mill (13), and after main mill (13) is stable, system starts feeding valve (11) and sheeter (2) successively;
After sheeter (2) starts normally, system starts to start screw rod motor frequency conversion, completes screw rod start-up course;
After screw rod starts normally, system starts main feeder automatically, starts production run;
3), in the time producing end, login system, press automatic stop button halt system, after system obtains ceasing and desisting order, output frequency converter is ceased and desisted order and is stopped main feeding motor, after time delay certain hour, stop successively motor, induced draft fan, the grading mill of the motor of sheeter, the motor of feeding valve, main mill motor and butterfly valve, turn the motor of sieve, then system starts auxiliary feeding machine automatically, carries out screw rod cleaning.After scavenging period completes, system closing auxiliary feeding machine and screw rod, stop heating;
System is Intellectualized starting screw rod motor, first, system provides after low speed frequency of screw rod motor frequency conversion, judges that whether screw rod motor torque is normal, exceedes torque limit value if torque sharply raises, it is 0 that system arranges frequency conversion speed at once, output low frequency value judgement again after wait certain hour, if torque meets the requirements, system slowly increases frequency conversion value until setting value, so far, complete screw rod start-up course.
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| CN103337150A (en) * | 2013-06-19 | 2013-10-02 | 桂林鸿程矿山设备制造有限责任公司 | Long-distance intelligent monitoring system of grinding machines |
| CN104504484A (en) * | 2014-11-07 | 2015-04-08 | 珠海市长陆工业自动控制系统有限公司 | Coating production scheduling management system |
| CN105383037B (en) * | 2015-11-09 | 2018-03-09 | 浙江万马专用线缆科技有限公司 | Cable extruding machine line footpath feeds back automatic control system |
| CN105599168A (en) * | 2016-02-14 | 2016-05-25 | 烟台枫林机电设备有限公司 | Automatic integrated set for powder coating production |
| WO2019229203A1 (en) * | 2018-05-31 | 2019-12-05 | Tetra Laval Holdings & Finance S.A. | Dimensioning a new production plant for production of packaged dairy products by simulation |
| CN110703676A (en) * | 2019-09-29 | 2020-01-17 | 苏州工业园区格比机电有限公司 | Press fitting control system and press fitting control method |
| CN112221484A (en) * | 2020-11-13 | 2021-01-15 | 重庆新华化工有限公司 | Preparation method of Ti-Mo or Ti-Mo-V catalyst titanium dioxide for reducing energy consumption |
| CN112934737B (en) * | 2021-03-29 | 2022-08-12 | 广西贺州市科隆粉体有限公司 | Production method of heavy calcium carbonate |
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Address after: Longcai New Materials Co., Ltd., No. 18 Hangzhou Street, Economic Development Zone, Haiyang City, Yantai City, Shandong Province, 265100 Patentee after: Yantai Lingyu Machinery Co.,Ltd. Address before: Longcai New Materials Co., Ltd., No. 18 Hangzhou Street, Economic Development Zone, Haiyang City, Yantai City, Shandong Province, 265100 Patentee before: YANTAI LONGCAI ADVANCED MATERIALS Co.,Ltd. |
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Effective date of registration: 20231212 Address after: No. 18, Hangzhou Street, Haiyang Economic Development Zone, Yantai, Shandong 265100 Patentee after: YANTAI AILIDE NEW MATERIAL CO.,LTD. Address before: Longcai New Materials Co., Ltd., No. 18 Hangzhou Street, Economic Development Zone, Haiyang City, Yantai City, Shandong Province, 265100 Patentee before: Yantai Lingyu Machinery Co.,Ltd. |