CN102231068A - 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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- CN102231068A CN102231068A CN2011100807267A CN201110080726A CN102231068A CN 102231068 A CN102231068 A CN 102231068A CN 2011100807267 A CN2011100807267 A CN 2011100807267A CN 201110080726 A CN201110080726 A CN 201110080726A CN 102231068 A CN102231068 A CN 102231068A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- 239000000843 powder Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005070 sampling Methods 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000010298 pulverizing process Methods 0.000 claims abstract description 9
- 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
- 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
- 238000009472 formulation Methods 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000002000 scavenging effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012549 training Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 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
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 208000014674 injury Diseases 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 three-dimensional line powder production control system and control method thereof, belong to powder production control technology field.
Background technology
Current, along with Hyundai Motor industry, the high speed development of chemical industry and spraying industry, also obtain using very widely as non-oleaginous powder spraying technology, accordingly, the demand of powdery paints also grows with each passing day, and therefore powdery paints manufacturer has proposed higher technical requirement to ease for use, agility, real-time, the accuracy of powder production equipment.
At present, powder production still adopts manually+control mode of electrical control cubicles, 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 begins to heat; 4, after temperature reaches, the workman starts by sequence changes sieve, butterfly valve, and the classification mill, blower fan, main mill, the sheet stock feeding valve, sheeter and steel band are screw rod then; 5, when system just often, the workman starts main feeding machine, the beginning ordinary production; 6, after producing end, the workman stops main feeding machine and stops compressing tablet in order, steel band, sheet stock feeding valve, main mill, blower fan, classification mill, butterfly valve and commentaries on classics sieve.Start auxiliary feeding machine then, carry out clear work; 7, after clear work was finished, the workman stopped auxiliary feeding and screw rod motor more in order;
There is following defective in above-mentioned this production run of manually participating in the overall process: 1, quality instability, there are various difference in different workman's operating process, temperature when starting such as screw rod, the speed of each motor, the 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 do not have the three-dimensional line of maloperation powder, need training and training through several months and even several years; 3, security is low, during manually-operated, produces because problems such as personal security consciousness problem or work fatigue all can be shone into unsafe conditions.Such as the screw rod of high speed rotating, main mill blade is pulverized bar, the fusion high-temperature region, and pressure roller district etc. all might cause the human injury.And because workman's misoperation also is easy to cause device damage or accelerated deterioration; 4, confidentiality is poor: all there is the special powder production technology of oneself in each powder production factory, such as temperature, and motor speed or the like.When producing, require each workman to be familiar with grasping the related process parameter of each powder.Because quality of workers and management are loaded down with trivial details, are easy to cause technological parameter to lose, and reveal and mistake; 5, production efficiency is low, and in the past, when breaking down, relevant information needs skilled labor or specialized maintenance personnel to analyze, and judges and solution.Often a minor issue can delay a large amount of production times.And because system's production data depends on operating personnel's experience, shine into the end product quality instability, producing each time all needs repeated examinations and test.The significant wastage manpower and materials; 6, labour intensity is big, owing to produce each time, all needs the every switch of workman's repeatable operation, and knob runs to sift out between the powder district in Electric Appliance Cabinet console panel and commentaries on classics, and is tired easily, also limited turnout, increased the operation staff, increases waste.
Summary of the invention
The objective 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 guarantee product quality, safety and production efficiency is provided.
The present invention adopts touch-screen industrial computer computer, solved the worry that the operative employee need run to operate, directly just can operate total system in the 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, analysis-by-synthesis is calculated, export control command at last, commander PLC, frequency converter, solid-state relay, relay are finished every production operation.
Three-dimensional line powder production control system of the present invention, comprise extruder, extruder is connected with the sheeter 2 that is used for material is carried out compressing tablet, the outer periphery of extruder and sheeter 2 is useful on the cooling device of cooling its two, sheeter 2 is connected with feeding valve 11, feeding valve 11 is connected with flour mill, be provided with between feeding valve 11 and the flour mill and be used to produce negative-pressure air-flow, the induced draft fan 12 of convey materials, be provided with the classification mill 14 of leading mill 13 and being used for satisfactory material is screened that is used for sheet material is broken into granular material in the flour mill, classification mill 14 is communicated with and is used for cyclone separator 1 that the gentle flow point of material is opened, cyclone separator 1 bottom is communicated with changes sieve 3, the top is communicated with dust cleaning case 28, be provided with butterfly valve 27 between wind separation vessel 1 and the commentaries on classics sieve 3, wherein, extruder, sheeter 2, flour mill, feeding valve 11, change on the sieve 3 and be equipped with motor 25, motor 25 is connected with the frequency converter 26 that is used to drive its running, and its special character is also to comprise:
Touch-screen industrial computer 4;
The pressure, temperature, flow parameter and the monitoring flour mill mill that are used to monitor each several part in extruder, sheeter 2, the cooling device cover the intellegent sampling system of whether opening;
Be used to monitor extruder, sheeter 2, is used for the PLC control system of opertaing device each several part break-make at the on off state parameter of each several part in the flour mill;
Frequency converter 26, sampling system, PLC control system are connected with industrial computer 4 communications by the RS485 bus respectively.
Described extruder comprises the feeding machine 5 that is provided with dog-house, feeding machine 5 comprises main feeding machine that is used to produce and the auxiliary feeding machine that is used for clear, feeding machine 5 is communicated with the Hot mixer 6 that is used for mixture, and Hot mixer 6 is connected with screw rod motor 7 and the gear case 8 that is used to drive 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, be 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 the Hot mixer 6, be installed on cooling water inlet pressure unit and cooling water inlet temperature sensor on the cold water inlet pipe 9, be installed on cold water and go out cooling water outlet pressure unit and cold water outlet temperature sensor on the pipe 10, be installed on air intake transmitter and air intake pressure unit on the induced draft fan 12, be installed on Inlet and outlet water temperature sensor and Inlet and outlet water pressure unit on the sheeter 2, the mill that is installed on the flour mill covers the proximity transducer of uncapping, above-mentioned each temperature sensor 15, pressure unit 16, flow sensor 17, proximity transducer is connected with the sampling module 18 that is used for the analog quantity dress is changed to digital quantity respectively, sampling module is connected with the RS485 bus, thus real-time being presented on the industrial computer 4 of information that sampling system is collected;
Described PLC control system comprise PLC19 and be connected with PLC19 near switch 20, be used for sheeter 2 and extruder are carried out the anxious scram button 21 that stops controlling, be used for Hot mixer 6 is added the solid-state relay 22 of heat control, the contactor 23 that is used for the control system motor switch, be used to control the relay solenoid valve 24 of Hot mixer 6 peripheral cold water inlet pipe break-makes, be installed on feeding machine 5 sides respectively near switch 20, gear case 8 rear portions, sheeter 2 rear portions, sheeter 2 sides, main mill 13 mill lid belows, scram button 21 is installed on the front portion of sheeter 2 respectively, on the support of gear case 8 sides; PLC19 carries out analysis and judgement with various monitor signals according to internal logic, transfer signals on the industrial computer 4 by the RS-485 bus simultaneously, industrial computer 4 is analyzed interpretation according to the recipe database that inside has made up to every detection data, automatically performs operations according to judged result;
Describedly comprise near switch 20 that the feeding machine that is connected with feeding machine 5 uncaps to uncap near switch, the compressing tablet storehouse that is connected with compressing tablet Cang Canggai near switch, the pulverizing storehouse that is connected with pulverizing storehouse in the sheeter and cross moment near switch, the screw rod that is connected with screw rod on the screw rod motor 7 and uncap near switch near switch, the main mill that is connected with the mill lid of main mill 13;
Described scram button 21 comprises the sheeter scram button that is connected with sheeter 2, the extruder scram button that is connected with extruder;
Described contactor 23 comprises and the contactor that changes sieve 3 contactors that are connected, the contactor that is connected with induced draft fan 12, the contactor that is connected with the superfine powder discharge device of being located at dust cleaning case 28 belows, is connected with the Oil pump electrical machinery that is used for to gear case 8 fuel feeding.
The control method of three-dimensional line powder production control system of the present invention is as follows:
1, open system's master switch, system powers on, and industrial computer 4 self checks also enter the equipment flowsheet picture, and login system is opened the control picture;
2, press auto-start button on the industrial computer 4, system enters automatic start-up mode, and system work process is as follows:
At first system samples hot mixed zone temperature by sampling module 18, whether industrial computer 4 temperature of interpretation Hot mixer 6 at once reaches, if do not have, in the system wait, if temperature reaches, then system reads the automatic operation prescription that has set in the formula module, according to time data wherein, starts each parts successively;
When the temperature in the Hot mixer 6 is up to standard, industrial computer 4 sends connection signal to PLC19, the PLC19 output drive signal, will with change sieve 3 contactors that are connected 23 and connect, change sieve 3 and butterfly valve 27 operations, the switch periods of butterfly valve 27 is specified in prescription and is downloaded among the PLC19;
After changeing sieve 3 and butterfly valve 27 operations normally, PLC19 output startup command to flour mill in classification grind the frequency converter that 14 motors are connected, classification mill electric motor starting, drive 14 operations of classification mill, because classification mill 14, the startup gradient intelligence during system sets according to prescription promotes classification and grinds 14 rotating speeds to setting value;
When classification grind 14 rotating speeds normal after, industrial computer 4 is controlled PLC19 successively and is started induced draft fan 12, time parameter reads formulation parameter by industrial computer 4 and downloads among the PLC19; Because induced draft fan 12 power are bigger, so PLC19 adopts star triangle start mode to start induced draft fan 12;
When induced draft fan 12 start normal after, the main mill 13 of system start-up, after main mill 13 was stable, system started feeding valve 11 and sheeter 2 successively;
After sheeter 2 started normally, system began to start 7 frequency conversions of screw rod motor, finishes the screw rod start-up course; Because the singularity of screw rod motor, system intelligent starts the screw rod motor, at first, and after system provides low speed frequency of screw rod motor frequency conversion, judge whether the screw rod motor torque is normal, surpass the torque limit value if torque sharply raises, it is 0 that system is provided with frequency conversion speed at once, judges in the output low frequency value behind the wait certain hour, if torque meets the requirements, then system slowly increases the frequency conversion value up to setting value, so far, finishes the screw rod start-up course;
After screw rod started normally, system started the not main feeding machine of feeding machine 5 automatically, the beginning production run.
More than operation is all finished automatically, need not manually participate in.The operative employee is required, and what do is exactly to wait for finished product output and packing in the finished product district;
3, when producing end, login system, press automatic stop button halt system, after system obtains ceasing and desisting order, the output frequency converter is ceased and desisted order and is stopped main feeding motor, stop motor, induced draft fan, the motor of classification mill and the motor that butterfly valve, commentaries on classics are sieved of the motor of sheeter, the motor of feeding valve, main mill behind the time-delay certain hour successively, system starts auxiliary feeding machine automatically then, carries out the screw rod cleaning.After scavenging period was finished, system closing auxiliary feeding machine and screw rod stopped heating;
If 4 operators do not close primary power, second day heating meeting is heated automatically according to heating schedule prescription so.
A kind of three-dimensional 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, analysis-by-synthesis is calculated, export control command at last, commander PLC, frequency converter, solid-state relay, relay is finished every production operation, with industrial computer, PLC, frequency converter and sampling module organic connections are got up, and have solved the worry that the operative employee need run to operate, and directly just can operate total system in the finished product district, can guarantee product quality, safety effectively raises production efficiency.
Description of drawings
Fig. 1: the structural representation of extruder of the present invention, sheeter, feeding valve, blower fan, flour mill, commentaries on classics sieve;
Fig. 2: the structural representation of industrial computer of the present invention, sampling system, PLC control system.
Among the figure: 1, clasfficiator, 2, sheeter, 3, change sieve, 4, industrial computer, 5, feeding machine, 6, Hot mixer, 7, screw rod motor, 8, gear case, 9, the cold water inlet pipe, 10, cold water goes out pipe, and 11, feeding valve, 12, induced draft fan, 13, main mill, 14, the classification mill, 15, temperature sensor, 16, pressure unit, 17, flow transmitter, 18, sampling module, 19, PLC, 20, near switch, 21, scram button, 22, solid-state relay, 23, contactor, 24, the 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.
The three-dimensional line powder production control system of present embodiment, comprise extruder, extruder is connected with the sheeter 2 that is used for material is carried out compressing tablet, the outer periphery of extruder and sheeter 2 is useful on the cooling device of cooling its two, sheeter 2 is connected with feeding valve 11, feeding valve 11 is connected with flour mill, be provided with between feeding valve 11 and the flour mill and be used to produce negative-pressure air-flow, the induced draft fan 12 of convey materials, be provided with the classification mill 14 of leading mill 13 and being used for satisfactory material is screened that is used for sheet material is broken into granular material in the flour mill, classification mill 14 is communicated with and is used for cyclone separator 1 that the gentle flow point of material is opened, cyclone separator 1 bottom is communicated with changes sieve 3, the top is communicated with dust cleaning case 28, be provided with butterfly valve 27 between wind separation vessel 1 and the commentaries on classics sieve 3, wherein, extruder, sheeter 2, flour mill, feeding valve 11, change on the sieve 3 and be equipped with motor 25, motor 25 is connected with the frequency converter 26 that is used to drive its running, also comprises: touch-screen industrial computer 4; The pressure, temperature, flow parameter and the monitoring flour mill mill that are used to monitor each several part in extruder, sheeter 2, the cooling device cover the intellegent sampling system of whether opening; Be used to monitor extruder, sheeter 2, is used for the PLC control system of opertaing device each several part break-make at the on off state parameter of each several part in the flour mill; Frequency converter 26, sampling system, PLC control system are connected with industrial computer 4 communications by the RS485 bus respectively.
Extruder comprises the feeding machine 5 that is provided with dog-house, feeding machine 5 comprises main feeding machine that is used to produce and the auxiliary feeding machine that is used for clear, feeding machine 5 is communicated with the Hot mixer 6 that is used for mixture, and Hot mixer 6 is connected with screw rod motor 7 and the gear case 8 that is used to drive 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, be 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 the Hot mixer 6, be installed on cooling water inlet pressure unit and cooling water inlet temperature sensor on the cold water inlet pipe 9, be installed on cold water and go out cooling water outlet pressure unit and cold water outlet temperature sensor on the pipe 10, be installed on air intake transmitter and air intake pressure unit on the induced draft fan 12, be installed on Inlet and outlet water temperature sensor and Inlet and outlet water pressure unit on the sheeter 2, the mill that is installed on the flour mill covers the proximity transducer of uncapping, above-mentioned each temperature sensor 15, pressure unit 16, flow sensor 17, proximity transducer is connected with the sampling module 18 that is used for the analog quantity dress is changed to digital quantity respectively, sampling module is connected with the RS485 bus, thus real-time being presented on the industrial computer 4 of information that sampling system is collected;
The PLC control system comprise PLC19 and be connected with PLC19 near switch 20, be used for sheeter 2 and extruder are carried out the anxious scram button 21 that stops controlling, be used for Hot mixer 6 is added the solid-state relay 22 of heat control, the contactor 23 that is used for the control system motor switch, be used to control the relay solenoid valve 24 of Hot mixer 6 peripheral cold water inlet pipe break-makes, be installed on feeding machine 5 sides respectively near switch 20, gear case 8 rear portions, sheeter 2 rear portions, sheeter 2 sides, main mill 13 mill lid belows, scram button 21 is installed on the front portion of sheeter 2 respectively, on the support of gear case 8 sides; PLC19 carries out analysis and judgement with various monitor signals according to internal logic, transfer signals on the industrial computer 4 by the RS-485 bus simultaneously, industrial computer 4 is analyzed interpretation according to the recipe database that inside has made up to every detection data, automatically performs operations according to judged result;
Comprising near switch 20 that the feeding machine that is connected with feeding machine 5 uncaps to uncap near switch, the compressing tablet storehouse that is connected with compressing tablet Cang Canggai near switch, the pulverizing storehouse that is connected with pulverizing storehouse in the sheeter crosses moment near switch, the screw rod that is connected with screw rod on the screw rod motor 7 and uncaps near switch near switch, the main mill that is connected with the mill lid of main mill 13;
Scram button 21 comprises the sheeter scram button that is connected with sheeter 2, the extruder scram button that is connected with extruder;
Contactor 23 comprises and the contactor that changes sieve 3 contactors that are connected, the contactor that is connected with induced draft fan 12, the contactor that is connected with the superfine powder discharge device of being located at dust cleaning case 28 belows, is connected with the Oil pump electrical machinery that is used for to gear case 8 fuel feeding.
The control method of three-dimensional line powder production control system of the present invention is as follows:
1, the user opens system's master switch, system powers on, and industrial computer 4 self checks also enter the equipment flowsheet picture, does not satisfy the working condition part (promptly the mill lid leaves if find in the self check to have, feeding machine 5 positions are not right, sheeter 2 lids leave, and comminutor is uncapped, and cold water temperature is too high, cold water pressure is low, gear case 8 temperature height, gear case 8 pressure are low etc.), system can highlight the prompting operation worker and note on the process picture of industrial computer 4, if it is no problem, operative employee's login system, the input password is opened the control picture, whether the setting speed of observing each motor is correct, owing to be the prescription definition, can not revise, avoid the operative employee to change running parameter according to the personal inclination;
2, the operative employee presses the auto-start button on the industrial computer 4, and system enters automatic start-up mode, and system work process is as follows:
At first system samples hot mixed zone temperature by sampling module 18, whether industrial computer 4 temperature of interpretation Hot mixer 6 at once reaches, if do not have, in the system wait, if temperature reaches, then system reads the automatic operation prescription that has set in the formula module, according to time data wherein, starts each parts successively;
When the temperature in the Hot mixer 6 is up to standard, industrial computer 4 sends connection signal to PLC19, the PLC19 output drive signal, will with change sieve 3 contactors that are connected 23 and connect, change sieve 3 and butterfly valve 27 operations, the switch periods of butterfly valve 27 is specified in prescription and is downloaded among the PLC19;
After changeing sieve 3 and butterfly valve 27 operations normally, PLC19 output startup command to flour mill in classification grind the frequency converter that 14 motors are connected, classification mill electric motor starting, drive 14 operations of classification mill, because classification mill 14, the startup gradient intelligence during system sets according to prescription promotes classification and grinds 14 rotating speeds to setting value;
When classification grind 14 rotating speeds normal after, industrial computer 4 is controlled PLC19 successively and is started induced draft fan 12 because induced draft fan 12 power are bigger, so PLC19 adopts star triangle start mode to start induced draft fan 12, time parameter reads formulation parameter by industrial computer 4 and downloads among the PLC19;
When induced draft fan 12 start normal after, the main mill 13 of system start-up, after main mill 13 was stable, system started feeding valve 11 and sheeter 2 successively;
After sheeter 2 starts normally, system begins to start the screw rod motor frequency conversion, because the singularity of screw rod motor, system intelligent starts the screw rod motor, at first, after system provides low speed frequency of screw rod motor frequency conversion, judge whether the screw rod motor torque is normal, surpass the torque limit value if torque sharply raises, it is 0 that system is provided with frequency conversion speed at once, judges in the output low frequency value behind the wait certain hour, if torque meets the requirements, then system slowly increases the frequency conversion value up to setting value, so far, finishes the screw rod start-up course;
After screw rod started normally, system started main feeder automatically, the beginning production run.
More than operation is all finished automatically, need not manually participate in.The operative employee is required, and what do is exactly to wait for finished product output and packing in the finished product district;
3, when producing end, operative employee's login system, behind the input password, press automatic stop button halt system, after system obtained ceasing and desisting order of operative employee, the output frequency converter was ceased and desisted order and is stopped main feeding motor, stopped the motor of the motor of motor, induced draft fan, classification mill of the motor of sheeter, the motor of feeding valve, main mill and butterfly valve, commentaries on classics sieve behind the time-delay certain hour successively, system starts auxiliary feeding machine automatically then, carries out the screw rod cleaning.After scavenging period was finished, system closing auxiliary feeding machine and screw rod stopped heating;
If 4 operators do not close primary power, second day heating meeting is heated automatically according to heating schedule prescription so.
The total system software module of 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.Assurance system production safety and technical know-how.The formulation management module is the basis of system works, and it has determined the related work mode of system's each several part.For example, when starting automatically, the boot sequence of each several part.The temperature requirement that the 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.In a single day for example pulverize the storehouse and open, stop pressure roller and comminutor work at once, feed back on the touch-screen simultaneously.The gear case temperature is too high, stops the screw rod machine operation automatically, feeds back on the touch-screen simultaneously.The production management module is mainly used in the raising system management, recording operation data and process data or the like.
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 heating time of hot mixed zone is longer, can delay ordinary production to a certain extent, therefore designed the heating schedule management,, then arrived the setting-up time system and can start heating arrangement automatically as long as set the heat time heating time of every day in the week.Guarantee directly to begin to produce after user's working, wherein,, also need to calculate Zhou Shizhong according to the particular algorithm programming because system clock does not contain Zhou Shizhong.
2, multilevel mode management:, designed schema management because the various requirement in producing is different and the requirement of system maintenance.The system works pattern is divided into safe mode, automatic operation mode and maintenance mode.Under safe mode, the user can start and halt system work with the method for operating that is similar to existing equipment.Automatic operation mode is exactly system's 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 all safety interlockings and protection have been removed by system, uses when being mainly used in the system maintenance inspection and maintenance;
3, logout and warning:, designed event recording function in order to guarantee the normal operation and the fault tracing of system.Can be with the LoginLogout of the mode recording user of database, operation and alert event.Database can download on the management computer and open analysis.And when logging in system by user, system can take pictures user's head portrait and remain automatically, as historical summary;
4, safety interlocking protection: reliable and operative employee's person safety for the assurance system, designed various safety interlocking functions.For example pulverize the storehouse and uncap chainly, the compressing tablet storehouse is uncapped chain;
5, network function: system can network, and historical record is signed in in real time on the data server of corporate management, is convenient to quality analysis and fault tracing.
Claims (10)
1. three-dimensional line powder production control system, comprise extruder, extruder is connected with the sheeter (2) that is used for material is carried out compressing tablet, the outer periphery of extruder and sheeter (2) is useful on the cooling device of cooling its two, sheeter (2) is connected with feeding valve (11), feeding valve (11) is connected with flour mill, be provided with between feeding valve (11) and the flour mill and be used to produce negative-pressure air-flow, the induced draft fan of convey materials (12), be provided with the main classification mill (14) that grinds (13) and be used for satisfactory material is screened that is used for sheet material is broken into granular material in the flour mill, classification mill (14) is communicated with and is used for cyclone separator (1) that the gentle flow point of material is opened, cyclone separator (1) bottom is communicated with changes sieve (3), the top is communicated with dust cleaning case (28), be provided with butterfly valve (27) between wind separation vessel (1) and the commentaries on classics sieve (3), wherein, extruder, sheeter (2), flour mill, feeding valve (11), change on the sieve (3) and be equipped with motor (25), motor (25) is connected with the frequency converter (26) that is used to drive its running, it is characterized in that also comprising:
Touch-screen industrial computer (4);
The pressure, temperature, flow parameter and the monitoring flour mill mill that are used to monitor each several part in extruder, sheeter (2), the cooling device cover the intellegent sampling system of whether opening;
Be used to monitor extruder, sheeter (2), is used for the PLC control system of opertaing device each several part break-make at the on off state parameter of each several part in the flour mill;
Frequency converter (26), sampling system, PLC control system are connected with industrial computer (4) communication by the RS485 bus respectively.
2. according to the described three-dimensional line powder production control system of claim 1, it is characterized in that described extruder comprises the feeding machine (5) that is provided with dog-house, feeding machine (5) comprises main feeding machine that is used to produce and the auxiliary feeding machine that is used for clear, feeding machine (5) is communicated with the Hot mixer (6) that is used for mixture, and Hot mixer (6) is connected with screw rod motor (7) and the gear case (8) that is used to drive its running.
3. according to the described three-dimensional line powder production control system of 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).
4. according to the described three-dimensional line powder production control system of 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 the Hot mixer (6), be installed on cooling water inlet pressure unit and cooling water inlet temperature sensor on the cold water inlet pipe (9), be installed on cold water and go out cooling water outlet pressure unit and cold water outlet temperature sensor on the pipe (10), be installed on air intake transmitter and air intake pressure unit on the induced draft fan (12), be installed on Inlet and outlet water temperature sensor and Inlet and outlet water pressure unit on the sheeter (2), the mill that is installed on the flour mill covers the proximity transducer of uncapping, above-mentioned each temperature sensor (15), pressure unit (16), flow sensor (17), proximity transducer is connected with the sampling module (18) that is used for the analog quantity dress is changed to digital quantity respectively, sampling module is connected with the RS485 bus, thus real-time being presented on the industrial computer (4) of information that sampling system is collected.
5. according to the described three-dimensional line powder production control system of claim 1, it is characterized in that described PLC control system comprise PLC (19) and be connected with PLC (19) near switch (20), be used for sheeter (2) and extruder are carried out the anxious scram button (21) that stops controlling, be used for Hot mixer (6) is added the solid-state relay (22) of heat control, the contactor (23) that is used for the control system motor switch, be used to control the relay solenoid valve (24) of the peripheral cold water inlet pipe of Hot mixer (6) break-make, be installed on feeding machine (5) side respectively near switch (20), gear case (8) rear portion, sheeter (2) rear portion, sheeter (2) side, main mill (13) mill lid below, scram button (21) is installed on the front portion of sheeter (2) respectively, on the support of gear case (8) side.
6. according to the described three-dimensional line powder production control system of claim 5, it is characterized in that describedly comprising near switch (20) that the feeding machine that is connected with feeding machine (5) uncaps to uncap near switch, the compressing tablet storehouse that is connected with compressing tablet Cang Canggai near switch, the pulverizing storehouse that is connected with pulverizing storehouse in the sheeter and crossing moment near switch, the screw rod that is connected with screw rod on the screw rod motor (7) and uncap near switch near switch, the main mill that is connected with the mill lid of main mill (13).
7. according to the described three-dimensional line powder production control system of claim 5, it is characterized in that described scram button (21) comprises the sheeter scram button that is connected with sheeter (2), the extruder scram button that is connected with extruder.
8. according to the described three-dimensional line powder production control system of claim 1, it is characterized in that described contactor (23) comprises and the contactor that changes the contactor that sieve (3) is connected, the contactor that is connected with induced draft fan (12), the contactor that is connected with superfine powder discharge device below being located at dust cleaning case (28), is connected with the Oil pump electrical machinery that is used for to gear case (8) fuel feeding.
9. the control method of the described three-dimensional line powder production control system of arbitrary claim among the claim 1-8 is characterized in that step is as follows:
1), open system's master switch, system powers on, industrial computer (4) self check also enters the equipment flowsheet picture, login system is opened the control picture, whether the setting speed of observing each motor correct;
2), press the auto-start button on the industrial computer (4), system enters automatic start-up mode, system work process is as follows:
At first system samples hot mixed zone temperature by sampling module (18), whether industrial computer (4) temperature of interpretation Hot mixer (6) at once reaches, if do not have, in the system wait, if temperature reaches, then system reads the automatic operation prescription that has set in the formula module, according to time data wherein, starts each parts successively;
When the temperature in the Hot mixer (6) is up to standard, industrial computer (4) sends connection signal to PLC (19), PLC (19) output drive signal, the contactor (23) that will be connected with commentaries on classics sieve (3) is connected, change the operation of sieve (3) and butterfly valve (27), the switch periods of butterfly valve (27) is specified in prescription and is downloaded among the PLC (19);
After changeing the operation normally of sieve (3) and butterfly valve (27), PLC (19) output startup command is to the frequency converter that is connected with classification mill (14) motor in the flour mill, classification mill electric motor starting, drive classification mill (14) operation, because the startup gradient intelligence during the characteristics of classification mill (14), system are set according to prescription promotes classification mill (14) rotating speed to setting value;
After classification mill (14) rotating speed was normal, industrial computer (4) was controlled PLC (19) successively and is started induced draft fan (12), and time parameter reads formulation parameter by industrial computer (4) and downloads among the PLC (19);
After induced draft fan (12) starts normally, the main mill of system start-up (13), after main mill (13) was stable, system started feeding valve (11) and sheeter (2) successively;
After sheeter (2) started normally, system began to start the screw rod motor frequency conversion, finishes the screw rod start-up course;
After screw rod started normally, system started main feeder automatically, the beginning production run;
3), when producing end, login system, press automatic stop button halt system, after system obtains ceasing and desisting order, the output frequency converter is ceased and desisted order and is stopped main feeding motor, stop motor, induced draft fan, the motor of classification mill and the motor that butterfly valve, commentaries on classics are sieved of the motor of sheeter, the motor of feeding valve, main mill behind the time-delay certain hour successively, system starts auxiliary feeding machine automatically then, carries out the screw rod cleaning.After scavenging period was finished, system closing auxiliary feeding machine and screw rod stopped heating.
10. according to the control method of the described three-dimensional line powder production control system of claim 8, it is characterized in that:
System is an Intellectualized starting screw rod motor, at first, after system provides low speed frequency of screw rod motor frequency conversion, judge whether the screw rod motor torque is normal, surpass the torque limit value if torque sharply raises, it is 0 that system is provided with frequency conversion speed at once, judge that in the output low frequency value if torque meets the requirements, then system slowly increases the frequency conversion value up to setting value after waiting for certain hour, so far, finish the 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 |
| CN105383037A (en) * | 2015-11-09 | 2016-03-09 | 浙江万马专用线缆科技有限公司 | Automatic cable diameter feedback control system for cable extrusion machine |
| 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 |
| 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 |
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| CN112934737A (en) * | 2021-03-29 | 2021-06-11 | 广西贺州市科隆粉体有限公司 | Production method of heavy calcium carbonate |
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| CN112934737A (en) * | 2021-03-29 | 2021-06-11 | 广西贺州市科隆粉体有限公司 | Production method of heavy calcium carbonate |
| 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. |