CN103823416A - DCS control system for material processing - Google Patents
DCS control system for material processing Download PDFInfo
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- CN103823416A CN103823416A CN201210464788.2A CN201210464788A CN103823416A CN 103823416 A CN103823416 A CN 103823416A CN 201210464788 A CN201210464788 A CN 201210464788A CN 103823416 A CN103823416 A CN 103823416A
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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 provides a DCS control system for material processing. The system comprises a diaphragm pump arranged on a material storage tank and a motor used for starting material processing, an electromagnetic valve is arranged on the diaphragm pump, and a detection module is arranged inside the material storage tank. The detection module is in interactive connection with a PLC via an analog I/O module, the programmable logic controller is in interactive connection with a digital I/O module, the digital I/O module controls operation of the diaphragm pump through the electromagnetic valve, the output end of the electromagnetic valve is connected with the input end of the digital I/O module, and the output ends of the analog I/O module and the digital I/O module are both connected with the motor. According to the DCS control system for material processing provided by the invention, material weighing, material feeding, and the temperature, liquid level and the like inside the material storage tank in the process of material stirring, dispersing or grinding can be automatically and remotely controlled, a processing device can be automatically started or stopped, the purpose of automatic processing is achieved, the cost is saved, and the product quality is improved.
Description
Technical field
The present invention relates to automation control area, be specifically related to a kind of material DCS control system to its production stage in process.
Background technology
Along with the continuous rise of the modern large scale industry production automation and process control require day by day complicated, arise at the historic moment a kind of combined by computer technology, system control technology, network communications technology and multimedia technology production management, process control etc. are carried out to complex control system, realize the object of automatic management.
In chemical process, often need to carry out mix and blend or attrition process as effective ingredient, spreading agent, emulsifying agent, antiseptic etc. to various materials, before mix and blend or grinding, to the quality of solid material be weighed, liquid material is measured, then be added to according to a certain percentage in stirring or grinding machine and stir or grind; And the charging sequence of material is all different from the time, some materials are to add in processing machine at the very start, and some materials are in the process of processing machine, just to add, so bad accurate controls such as addition and times of adding.And also need to pay close attention at any time temperature, the liquid level etc. in processing machine in stirring or process of lapping, and control.This proposes very large challenge to main at present by manual control, because factory is all larger for the production of stirring machine or the muller of processing use, and the weight ratio of each processing is heavier, if these controls all rely on workmans to realize and feed intake, measure, while measuring the functions such as temperature and liquid level, both increase workman's labor capacity, and importantly easily caused and feed intake, measure or the error of measurement etc. in production run, and caused the product that finally processes defective.
Summary of the invention
For solving above-mentioned the deficiencies in the prior art, the invention provides the DCS control system of a kind of material in process of manufacture, the weight of material of realizing to material stirring or in grinding carries out automatic weighing or metering, and temperature, the liquid level etc. of process are controlled automatically, reduce workman's labour intensity, and improve machining precision.
In order to achieve the above object, the invention provides a kind of DCS control system for materiel machining, comprise the membrane pump of being located on material storage tank and the motor that starts materiel machining, described membrane pump is provided with solenoid valve, and described material storage tank inside is provided with detection module; Described detection module is connected with PLC controller alternately through analog quantity I/O module, described PLC controller is connected with digital quantity I/O module is interactive, described digital quantity I/O module is moved by membrane pump described in solenoid control, and the output terminal of described solenoid valve is connected with the input end of digital quantity I/O module; Described analog quantity I/O module is all connected with described motor with the output terminal of digital quantity I/O module; Described PLC controller is also connected with opertaing device is interactive.
Described analog quantity I/O module is all connected with motor with the output terminal of digital quantity I/O module, and the opening of device of controlled working material or stop, as starting or stoping of muller, dispersion machine or stirring machine.
In order to protect better the normal operation of this DCS control system, can find early the fault of the equipment such as membrane pump, motor, the output terminal of described digital quantity I/O module is connected with alarm.
Described detection module is Weighing module, metering module, temperature sensor and liquid level sensor.
Described PLC controller is CPU-315.
The output terminal of described membrane pump, motor is connected with digital quantity I/O module.
In the present invention, PLC controller adopts CPU-315, and it is with two communication interfaces, can fully meet and adapt to automatic control task, and can carry out spread according to the increase of control task.
Described opertaing device is touch display screen or PC.Touch display screen is directly connected with native system, and operating personnel can be in the operation of the enterprising line correlation of touch display screen; In addition, can also connect PC by communication network, operating personnel can carry out operated from a distance or control to production run.One operation cabinet can also be set certainly, the operation of being correlated with by operation control knob cashier's office in a shop.
Weighing module is through anti-explosion terminal box access weighing instrument, the data of instrument are collected to be transferred on PLC controller through analog quantity I/O module converts, automatically control ingredients by weight at current weight and the PLC controller of weighing of touching-type monitor screen display again, reach full-automatic batching.
Metering module is to weigh according to its density, volume for liquid material, is located in test tank.
Temperature sensor gathers the transmitter temperatures of hot water storage tank or emulsion storage tank, through analog quantity I/O module converts, by the internal arithmetic of PLC controller, the temperature of current mensuration is presented on touch display, the touch operation that operating personnel can be undertaken by the data that show on touch display, then come aperture and the quantity of steam of by-pass valve control by being located at solenoid valve on steam valve, reach ± 3 degree of temperature control essence seat.
Liquid level sensor be located at liquid in the time that liquid level is too low alarm operating personnel add materials.Tank inside is transferred to PLC controller for the liquid level of collection liquid after analog quantity I/O module converts, and operating personnel suitably operate according to the prompting of touch display screen or PC.
Membrane pump place on material storage tank establishes solenoid valve and controls its valve, when reinforced, operating personnel can be in touch display screen or the enterprising line correlation operation of PC, as numerical value start button be set, start membrane pump by PLC controller control solenoid valve and carry out work, thus realize material automatically, quantitative feeding.
The data that Weighing module, metering module, temperature sensor or liquid level sensor record provide the motor of control signal to process equipment after analog quantity I/O module converts; On the other hand, digital quantity I/O module is by the mass transport of solenoid control material storage tank, in the time reaching the metering of setting, it has individual feedback signal to motor, control the unlatching of motor or stop thereby reaching, or control its rotating speed, realize the automation process of grinding, stirring or the dispersion process of material.
The output terminal of described digital quantity I/O module is connected with alarm, and the output terminal of described membrane pump, motor is connected with digital quantity I/O module.In the time that membrane pump, motor etc. have fault, its fault-signal is passed to PLC controller by digital quantity I/O module, PLC controller judge determine alarm could open, in the time being judged as fault-signal, PLC controller is reported to the police by digital quantity I/O module drive alarm, and staff will carry out corresponding processing and maintenance.
So the present invention has following beneficial effect:
1, the present invention has realized material automatic remote control to temperature, liquid level etc. in the switch that feeds intake, the material storage tank of the weighing of material, material in stirring, dispersion or attrition process, has realized the automatic flow that material adds;
2, to process equipment as controls such as stirred tank, muller etc. are opened, shutdown, realized robotization process;
3, reduce workman's manipulation strength and number, saved production cost;
4, improved and fed intake or the accuracy of Monitoring Data, guaranteed the quality of final material;
5, the present invention has warning function, and in the time of the abnormal conditions such as material minimizing or excessive temperature in material storage tank, energy and alarm, remind staff to feed in raw material or stop the work such as logical steam, improved the security of operation.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is embodiment mono-theory diagram;
Fig. 2 is embodiment bis-theory diagrams;
Fig. 3 is embodiment tri-operational flowcharts.
In figure: 1-detection module, 1.1 Weighing modules, 1.2-metering module, 1.3-temperature sensor, 1.4-liquid level sensor, 2-analog quantity I/O module, 3-PLC controller, 4-digital quantity I/O module, 5-motor, 6-alarm, 7-solenoid valve, 8-PC machine, 9-touch display screen, 10-communication module.
Embodiment
Embodiment mono-:
The DCS control system of materiel machining as shown in Figure 1, comprises the membrane pump of being located on material storage tank and the motor 5 that starts materiel machining, and described membrane pump 8 is provided with solenoid valve 7, and described material storage tank inside is provided with detection module 1; Described detection module 1 is connected with PLC controller 3 alternately through analog quantity I/O module 2, described PLC controller 3 is connected with digital quantity I/O module 4 is interactive, described digital quantity I/O module 4 is controlled described membrane pump by solenoid valve 7 and is moved, and the output terminal of described solenoid valve 7 is connected with the input end of digital quantity I/O module 4; Described analog quantity I/O module 2 is all connected with described motor 5 with the output terminal of digital quantity I/O module 4; Described PLC controller 3 is also connected with touch display screen 9 is interactive, and the output terminal of digital quantity I/O module 4 is connected with alarm 6.
Described detection module 1 comprises Weighing module 1.1, metering module 1.2, temperature sensor 1.3 or liquid level sensor 1.4.PLC controller 3 is CPU-315.
Embodiment bis-:
The DCS control system of materiel machining as shown in Figure 2, comprises the membrane pump of being located on material storage tank and the motor 5 that starts materiel machining, and described membrane pump 8 is provided with solenoid valve 7, and described material storage tank inside is provided with detection module 1; Described detection module 1 is connected with PLC controller 3 alternately through analog quantity I/O module 2, described PLC controller 3 is connected with digital quantity I/O module 4 is interactive, described digital quantity I/O module 4 is controlled described membrane pump by solenoid valve 7 and is moved, and the output terminal of described solenoid valve 7 is connected with the input end of digital quantity I/O module 4; Described analog quantity I/O module 2 is all connected with described motor 5 with the output terminal of digital quantity I/O module 4; Described PLC controller 3 is connected with PC 8 is interactive by communication module 10.The output terminal of digital quantity I/O module 4 is connected with alarm 6.
Described detection module 1 comprises Weighing module 1.1, metering module 1.2, temperature sensor 1.3 or liquid level sensor 1.4.PLC controller 3 is CPU-315.
In addition, need to design according to execute-in-place the operation control that also can be correlated with to the supporting corresponding operation cabinet of process equipment.
In the present invention, be coherent detection module to be arranged on to material storage tank inside be used for detecting relevant information, solenoid valve is located at the startup for controlling membrane pump and cuts out.
Add man-hour, solid material is carried out first Weighing module being connected with weighing instrument, the weight data that weighing instrument takes solid feed is transferred on PLC controller by Weighing module, in the time that the weight of weighing of material reaches the ingredients by weight of PLC controller setting, automatically stops feeding in raw material.And when liquid material is fed in raw material, on the membrane pump of material storage tank and test tank, establish solenoid valve, control the unlatching of membrane pump by solenoid valve, and in test tank indoor design amount module, metering module passes to the continuous data of liquid material on PLC controller, after analog quantity I/O module converts, in the time reaching the ingredients by weight of PLC controller setting, stop membrane pump by operation on touch display screen or PC.
Temperature sensor is located in the liquid material storage tank that hot water storage tank maybe needs to measure, be used for gathering its temperature, after analog quantity I/O module converts, PLC controller internal arithmetic contrast, export on touch display screen or PC, workman can carry out associative operation by the data of its demonstration, then come aperture and the quantity of steam of by-pass valve control by being located at solenoid valve on steam valve, reach ± 3 degree of temperature control essence seat.
Liquid level sensor is located at wet tank inside, be used for the liquid level of collection liquid and be transferred to PLC controller, through analog quantity I/O module, then export on touch display screen or PC after calculating contrast by PLC controller, operating personnel suitably operate according to prompting; In the time that liquid level is too low, alarm operating personnel add materials.
When material has added, the data that Weighing module, metering module, temperature sensor or liquid level sensor record provide the motor of control signal to oil (gas) filling device after analog quantity I/O module converts; On the other hand, digital quantity I/O module is by the mass transport of solenoid control material storage tank, in the time reaching the metering of setting, it has individual feedback signal to motor, control the unlatching of motor or stop thereby reaching, or control the rotating speed of motor, realize the automation process of grinding, stirring or the dispersion process of material.
By starter motor, stirring machine or muller are started working, and stop when reaching after setting-up time, and the material adding in the middle of needing can be controlled automatically with said method.
The output terminal of described digital quantity I/O module is connected with alarm, and the output terminal of described membrane pump, motor is connected with digital quantity I/O module.In the time that membrane pump, motor etc. have fault, its fault-signal is passed to PLC controller by digital quantity I/O module, PLC controller judge determine alarm could open, in the time being judged as fault-signal, PLC controller is reported to the police by digital quantity I/O module drive alarm, and staff will carry out corresponding processing and maintenance.
Embodiment tri-:
Be this DCS control system operating process as shown in Figure 3, be summarized as follows:
1, power-on, this control system is carried out initialization;
2, select automatic or manual pattern, as selected to carry out manual control operation after manual mode, native system will not controlled;
3, select, after automatic mode, to enter formulation selection pattern;
4, the amount of each material is set according to the proportioning of processing material and each raw material, and determines the load of each raw material storage tank according to formula;
5, open successively again the motorized valve on each raw material storage tank, and prepare burden according to formula by Weighing module and metering module;
6, each raw material is dropped in reactor in batches;
7, by temperature sensor, detection reaction still is also controlled the temperature of reaction in still, and the rotating speed of Electric Machine Control stirring machine is monitored in still the information such as liquid level simultaneously by liquid level sensor;
8, in the design reaction time, reach the time, after material stirring, dispersion fully, this work flow completes.
9, the material machining is carried out to discharging, packing.
Whether in whole automated procedure, detect and have fault to occur, if any generation, record trouble information is enabled corresponding control handling procedure simultaneously, drive alarm to carry out acousto-optic-electric warning.
Above embodiment is not limited only to protection scope of the present invention, all modify based on basic thought of the present invention or change all belong to protection scope of the present invention.
Claims (5)
1. for a DCS control system for materiel machining, comprise and it is characterized in that the membrane pump of being located on material storage tank and the motor that starts materiel machining: described membrane pump is provided with solenoid valve, described material storage tank inside is provided with detection module; Described detection module is connected with PLC controller alternately through analog quantity I/O module, described PLC controller is connected with digital quantity I/O module is interactive, described digital quantity I/O module is moved by membrane pump described in solenoid control, and the output terminal of described solenoid valve is connected with the input end of digital quantity I/O module; Described analog quantity I/O module is all connected with described motor with the output terminal of digital quantity I/O module; Described PLC controller is also connected with opertaing device is interactive.
2. according to claim 1 for the DCS control system of materiel machining, it is characterized in that: described detection module is made up of Weighing module, metering module, temperature sensor and liquid level sensor.
3. according to claim 1 for the DCS control system of materiel machining, it is characterized in that: described opertaing device is touch display screen or PC.
4. according to claim 1 for the DCS control system of materiel machining, it is characterized in that: the output terminal of described digital quantity I/O module is also connected with alarm.
5. according to claim 1 for the DCS control system of materiel machining, it is characterized in that: described PLC controller is CPU-315.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464788.2A CN103823416A (en) | 2012-11-18 | 2012-11-18 | DCS control system for material processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210464788.2A CN103823416A (en) | 2012-11-18 | 2012-11-18 | DCS control system for material processing |
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| CN103823416A true CN103823416A (en) | 2014-05-28 |
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| CN201210464788.2A Pending CN103823416A (en) | 2012-11-18 | 2012-11-18 | DCS control system for material processing |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483933A (en) * | 2014-11-28 | 2015-04-01 | 联塑科技发展(贵阳)有限公司 | Remote monitoring system of material mixing equipment |
| CN105045249A (en) * | 2015-09-10 | 2015-11-11 | 蓝星（北京）技术中心有限公司 | Automatic control method and device for realizing safe production load adjustment in chemical industry production |
| CN108427362A (en) * | 2017-02-13 | 2018-08-21 | 天津金牛电源材料有限责任公司 | A kind of lithium hexafluoro phosphate automatic metering system |
| CN109144001A (en) * | 2018-08-24 | 2019-01-04 | 江西省欧陶科技有限公司 | A kind of waterglass automated production monitoring system |
| CN109828508A (en) * | 2019-02-22 | 2019-05-31 | 山东欧德利电气设备有限公司 | A kind of digital remote amount transmitted in both directions technology |
| CN109847667A (en) * | 2019-01-23 | 2019-06-07 | 上海遥峰智能科技有限公司 | A kind of Control of chemical reaction system |
| CN111377456A (en) * | 2020-03-20 | 2020-07-07 | 肇庆市欧陶新型材料有限公司 | Novel automatic batching control system for wet-process water glass production |
| CN112742308A (en) * | 2020-12-30 | 2021-05-04 | 宁夏嘉峰化工有限公司 | Full-automatic cross proportioning feeding method and system for guanidine nitrate production |
| CN114834713A (en) * | 2022-04-27 | 2022-08-02 | 江苏苏嘉集团新材料有限公司 | Intelligent steelmaking magnesia carbon brick raw material preparation system and raw material preparation production line thereof |
| CN114851394A (en) * | 2022-05-23 | 2022-08-05 | 江苏方达正塬电子材料科技有限公司 | Ceramic slurry automatic production line |
-
2012
- 2012-11-18 CN CN201210464788.2A patent/CN103823416A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483933A (en) * | 2014-11-28 | 2015-04-01 | 联塑科技发展(贵阳)有限公司 | Remote monitoring system of material mixing equipment |
| CN105045249A (en) * | 2015-09-10 | 2015-11-11 | 蓝星（北京）技术中心有限公司 | Automatic control method and device for realizing safe production load adjustment in chemical industry production |
| CN105045249B (en) * | 2015-09-10 | 2018-05-15 | 蓝星（北京）技术中心有限公司 | Realize the autocontrol method and device for adjusting produce load in Chemical Manufacture safely |
| CN108427362A (en) * | 2017-02-13 | 2018-08-21 | 天津金牛电源材料有限责任公司 | A kind of lithium hexafluoro phosphate automatic metering system |
| CN109144001A (en) * | 2018-08-24 | 2019-01-04 | 江西省欧陶科技有限公司 | A kind of waterglass automated production monitoring system |
| CN109847667A (en) * | 2019-01-23 | 2019-06-07 | 上海遥峰智能科技有限公司 | A kind of Control of chemical reaction system |
| CN109847667B (en) * | 2019-01-23 | 2021-07-20 | 上海遥峰智能科技有限公司 | Chemical reaction control system |
| CN109828508A (en) * | 2019-02-22 | 2019-05-31 | 山东欧德利电气设备有限公司 | A kind of digital remote amount transmitted in both directions technology |
| CN111377456A (en) * | 2020-03-20 | 2020-07-07 | 肇庆市欧陶新型材料有限公司 | Novel automatic batching control system for wet-process water glass production |
| CN112742308A (en) * | 2020-12-30 | 2021-05-04 | 宁夏嘉峰化工有限公司 | Full-automatic cross proportioning feeding method and system for guanidine nitrate production |
| CN114834713A (en) * | 2022-04-27 | 2022-08-02 | 江苏苏嘉集团新材料有限公司 | Intelligent steelmaking magnesia carbon brick raw material preparation system and raw material preparation production line thereof |
| CN114851394A (en) * | 2022-05-23 | 2022-08-05 | 江苏方达正塬电子材料科技有限公司 | Ceramic slurry automatic production line |
| CN114851394B (en) * | 2022-05-23 | 2023-08-08 | 江苏方达正塬电子材料科技有限公司 | Ceramic slurry automatic production line |
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Application publication date: 20140528 |