CN108762180A - A kind of reaction kettle safety control based on computer control - Google Patents
A kind of reaction kettle safety control based on computer control Download PDFInfo
- Publication number
- CN108762180A CN108762180A CN201810250667.5A CN201810250667A CN108762180A CN 108762180 A CN108762180 A CN 108762180A CN 201810250667 A CN201810250667 A CN 201810250667A CN 108762180 A CN108762180 A CN 108762180A
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- CN
- China
- Prior art keywords
- control system
- resistance
- plc control
- blender
- reaction kettle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 230000003321 amplification Effects 0.000 claims abstract description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000004891 communication Methods 0.000 abstract description 3
- 238000006136 alcoholysis reaction Methods 0.000 description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 10
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 10
- 235000010469 Glycine max Nutrition 0.000 description 6
- 244000068988 Glycine max Species 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 235000011187 glycerol Nutrition 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229920000180 alkyd Polymers 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
Abstract
The invention discloses a kind of reaction kettle safety controls based on computer control, include PLC control system, WINCC monitoring systems, liquid level measurement, alarm lamp, flowmeter, sensor, switch button, blender, relay, solenoid valve.The present invention monitors in real time, improve device intelligence degree, while ensuring production efficiency, the blender is connect by signal amplification circuit with PLC control system electric signal, ensure that the communication between blender and PLC control system is smooth, in addition to this, circuit detector is increased in system, the circuit detector is current detecting instrument or Voltage detector, it is connect with PLC control system electric signal, the information of detection is transferred to PLC control system, it is ensured that the safety of whole control circuit, and then ensure the stability of device, it is ensured that production.
Description
Technical field
The present invention relates to a kind of control device, specifically a kind of reaction kettle safety control based on computer control,
Belong to reaction kettle equipment technical field.
Background technology
With the fast development of the progress and automatic technology of modernization science and technology, the requirement to automation control also constantly carries
Height will also be faced with the change of autoclave body mode in reaction kettle evolution.Currently, the blender of reaction kettle has been not only single
One blender, have evolved to can use double stirrer or it is additional pump forced circulation degree.However comparison is external, I
The reaction kettle intelligence degree of state is not high, and control and monitoring are little, affect use and production efficiency.
Invention content
In view of the above existing problems in the prior art, the present invention provides a kind of reaction kettles based on computer control to control safely
Device processed improves device intelligence degree, it is ensured that production efficiency.
To achieve the goals above, the present invention include PLC control system, WINCC monitoring systems, liquid level measurement, alarm lamp,
Flowmeter, sensor, switch button, blender, relay, solenoid valve；Wherein, PLC control system is measured with liquid level, is reported respectively
Warning lamp, flowmeter, sensor, switch button, blender, relay, the connection of solenoid valve electric signal, and control rising for switch button
Stop the start-stop of signal, blender, closure and disconnection, the break-make of solenoid valve of relay；Meanwhile flowmeter and sensor respectively will
Flow detecting signal is transferred to PLC control system；Alarm lamp shows situation；WINCC monitoring systems receive the control of PLC control system
Data processed simultaneously reflect on a display screen.
Blender is connect by signal amplification circuit with PLC control system electric signal, wherein the signal amplification circuit
Including power supply VCC, resistance Rb, resistance Rs, resistance Re, capacitance C1, capacitance C2 and triode VT, one end of resistance Rs and capacitance C1
Connection, the other end of capacitance C1 are connected with one end of the base stage of triode VT, resistance Rb, the other end and triode VT of resistance Rb
Collector, power supply VCC connections, the emitting stage of triode VT connects with one end of one end of capacitance C2, resistance Re, resistance Re's
The other end is grounded；Increasing circuit detector in system, the circuit detector is current detecting instrument or Voltage detector,
It is connect with PLC control system electric signal, the information of detection is transferred to PLC control system.
Further, sensor includes temperature sensor and gas sensor.
Further, alarm lamp is buzzing alarm lamp.
Further, WINCC monitoring systems carry button display screen.
Compare the prior art, the present invention real time monitoring, improve device intelligence degree, it is ensured that production efficiency it is same
When, the blender is connect by signal amplification circuit with PLC control system electric signal, wherein the signal amplification electricity
Road includes power supply VCC, resistance Rb, resistance Rs, resistance Re, capacitance C1, capacitance C2 and triode VT, and the one of resistance Rs and capacitance C1
End connection, the other end of capacitance C1 are connected with one end of the base stage of triode VT, resistance Rb, the other end and triode of resistance Rb
The collector of VT, power supply VCC connections, the emitting stage of triode VT are connected with one end of one end of capacitance C2, resistance Re, resistance Re
The other end ground connection, it is ensured that the communication between blender and PLC control system is smooth, in addition to this, electricity is increased in system
Road detector, the circuit detector are current detecting instrument or Voltage detector, are connect with PLC control system electric signal,
The information of detection is transferred to PLC control system, it is ensured that the safety of whole control circuit, and then ensure the stability of device,
Ensure production.
Description of the drawings
Fig. 1 is the control principle block diagram of the present invention；
Fig. 2 is the system flow chart of the present invention.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings.
As shown in Figure 1, a kind of reaction kettle safety control based on computer control, including PLC control system,
WINCC monitoring systems, liquid level measurement, alarm lamp, flowmeter, sensor, switch button, blender, relay, solenoid valve；Its
In, PLC control system respectively with liquid level measurement, alarm lamp, flowmeter, sensor, switch button, blender, relay, electromagnetism
Valve electric signal connects, and controls the start-stop of the start-stop signal of switch button, blender, closure and disconnection, the solenoid valve of relay
Break-make；Meanwhile flow detecting signal is transferred to PLC control system by flowmeter and sensor respectively；Alarm lamp shows situation；
WINCC monitoring systems receive the control data of PLC control system and reflect on a display screen.
As currently preferred mode, sensor includes temperature sensor and gas sensor.
As currently preferred mode, alarm lamp is buzzing alarm lamp.
As currently preferred mode, WINCC monitoring systems carry button display screen.
As shown in Fig. 2, in use, after operation STEP7 emulators S7-PLCSIM.After restarting WINCC emulators, when by
After lower reset buttons, and CO2 air accumulators are inflated, soya-bean oil tank, glycerine tank and dimethylbenzene tank are supplemented, owned
Control valve resets, and flowmeter is accumulative to be resetted, and blender and heater stop.After pressing start buttons, soya-bean oil control valve is beaten
It opens, soya-bean oil is transported in alcoholysis reaction kettle, after conveying a certain amount of soya-bean oil, until position senses in the alcoholysis in alcoholysis reaction kettle
After device senses liquid level, soya-bean oil control valve is closed immediately, opens simultaneously glycerine control valve, convey glycerine to alcoholysis reaction kettle, together
Sample closes glycerine control valve, inert gas CO2 is opened simultaneously, when defeated after alcoholysis reaction kettle liquid position is to alcoholysis high position sensor
After sending a certain amount of carbon dioxide, CO2 control valves are closed, carry out the alcoholysis reaction stage.When all raw material in alcoholysis reaction kettle
After satisfaction, opens heater and certain temperature is heated to alcoholysis reaction kettle, while blender slowly stirs, and keeps raw material fully anti-
It answers.After alcoholysis reaction kettle has reacted, the slack tank detector of polyesterification reaction kettle detects that pet reaction kettle without liquid level, is at this moment beaten
Alcoholysis valve is opened, alcoholysis compounds are transported in pet reaction kettle, after detecting that alcoholysis reaction kettle liquid body has conveyed, closes alcohol
Valve is solved, dimethylbenzene control valve injection dimethylbenzene is opened simultaneously and closes dimethylbenzene control after polyester high position sensor detects liquid level
Valve processed carries out the polyesterification reaction stage.After meeting polyesterification reaction condition, opens heater and pet reaction kettle is heated centainly
Temperature, while blender slowly stirs, and raw material is made fully to react.After polyesterification reaction, polyester valve is opened, to dilute
Release device conveying petchem dilution, be then delivered to filter filtering sundries when filtered product be exactly alkyd resin at
Product, set that there are one the amounts of the accumulative alkyd resin generated of flowmeter before packing.In system operation, the gas of CO2 can be observed
Body content, soya-bean oil, glycerine and dimethylbenzene liquid level, when wherein no matter which kind of material is too low, the link reaction is automatically stopped, be
System meeting automatic alarm, prompts staff to feed
The prior art is compared, present invention real time monitoring improves device intelligence degree, it is ensured that while production efficiency, institute
The blender stated is connect by signal amplification circuit with PLC control system electric signal, wherein the signal amplification circuit includes
One end of power supply VCC, resistance Rb, resistance Rs, resistance Re, capacitance C1, capacitance C2 and triode VT, resistance Rs and capacitance C1 connect
It connects, the other end of capacitance C1 is connected with one end of the base stage of triode VT, resistance Rb, the other end of resistance Rb and triode VT's
Collector, power supply VCC connections, the emitting stage of triode VT are connected with one end of one end of capacitance C2, resistance Re, and resistance Re's is another
One end is grounded, it is ensured that the communication between blender and PLC control system is smooth, in addition to this, in system increases circuit inspection
Instrument is surveyed, the circuit detector is current detecting instrument or Voltage detector, connect, will examine with PLC control system electric signal
The information of survey is transferred to PLC control system, it is ensured that the safety of whole control circuit, and then ensure the stability of device, it is ensured that
Production.
Claims (4)
1. a kind of reaction kettle safety control based on computer control, including PLC control system, WINCC monitoring systems, liquid
Position measurement, alarm lamp, flowmeter, sensor, switch button, blender, relay, solenoid valve；Wherein, PLC control system point
Not with liquid level measurement, alarm lamp, flowmeter, sensor, switch button, blender, relay, solenoid valve electric signal connection, and
Control the start-stop of the start-stop signal, blender of switch button, closure and disconnection, the break-make of solenoid valve of relay；Meanwhile flow
Flow detecting signal is transferred to PLC control system by meter and sensor respectively；Alarm lamp shows situation；WINCC monitoring systems connect
By PLC control system control data and reflect on a display screen；
It is characterized in that, the blender is connect by signal amplification circuit with PLC control system electric signal, wherein described
Signal amplification circuit include power supply VCC, resistance Rb, resistance Rs, resistance Re, capacitance C1, capacitance C2 and triode VT, resistance Rs
It is connected with one end of capacitance C1, the other end of capacitance C1 is connected with one end of the base stage of triode VT, resistance Rb, and resistance Rb's is another
One end is connected with the collector of triode VT, power supply VCC, the emitting stage of triode VT and one end of capacitance C2, resistance Re one
End connection, the other end ground connection of resistance Re；
Increasing circuit detector in the system, the circuit detector is current detecting instrument or Voltage detector,
It is connect with PLC control system electric signal, the information of detection is transferred to PLC control system.
2. according to a kind of reaction kettle safety control based on computer control described in claim, which is characterized in that described
Sensor include temperature sensor and gas sensor.
3. according to a kind of reaction kettle safety control based on computer control described in claim, which is characterized in that described
Alarm lamp be buzzing alarm lamp.
4. according to a kind of reaction kettle safety control based on computer control described in claim, which is characterized in that described
WINCC monitoring systems carry button display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810250667.5A CN108762180A (en) | 2018-07-10 | 2018-07-10 | A kind of reaction kettle safety control based on computer control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810250667.5A CN108762180A (en) | 2018-07-10 | 2018-07-10 | A kind of reaction kettle safety control based on computer control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108762180A true CN108762180A (en) | 2018-11-06 |
Family
ID=63980238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810250667.5A Pending CN108762180A (en) | 2018-07-10 | 2018-07-10 | A kind of reaction kettle safety control based on computer control |
Country Status (1)
| Country | Link |
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| CN (1) | CN108762180A (en) |
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|---|---|---|---|---|
| US20130177038A1 (en) * | 2012-01-06 | 2013-07-11 | Pratt & Whitney | Automated Dewpoint Oxygen Measurement System |
| CN105536195A (en) * | 2015-12-21 | 2016-05-04 | 成都川通达科技有限公司 | Signal processing type intelligent building fire extinguishing system |
| CN105825676A (en) * | 2016-05-26 | 2016-08-03 | 浙江索菱新能源汽车科技有限公司 | Road vehicle running monitoring system based on Internet of things |
| CN206237498U (en) * | 2016-12-19 | 2017-06-09 | 乐山师范学院 | A kind of image procossing detection means |
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| CN206960940U (en) * | 2017-04-21 | 2018-02-02 | 徐州工程学院 | Reactor control system based on PLC |
| US20180069255A1 (en) * | 2015-04-10 | 2018-03-08 | Jiangsu Qingyang Energy Co., Ltd. | Dehydrogenation reaction system for liquid hydrogen source material |
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-
2018
- 2018-07-10 CN CN201810250667.5A patent/CN108762180A/en active Pending
Patent Citations (8)
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|---|---|---|---|---|
| US20130177038A1 (en) * | 2012-01-06 | 2013-07-11 | Pratt & Whitney | Automated Dewpoint Oxygen Measurement System |
| US20180069255A1 (en) * | 2015-04-10 | 2018-03-08 | Jiangsu Qingyang Energy Co., Ltd. | Dehydrogenation reaction system for liquid hydrogen source material |
| CN105536195A (en) * | 2015-12-21 | 2016-05-04 | 成都川通达科技有限公司 | Signal processing type intelligent building fire extinguishing system |
| CN105825676A (en) * | 2016-05-26 | 2016-08-03 | 浙江索菱新能源汽车科技有限公司 | Road vehicle running monitoring system based on Internet of things |
| CN206237498U (en) * | 2016-12-19 | 2017-06-09 | 乐山师范学院 | A kind of image procossing detection means |
| CN206960940U (en) * | 2017-04-21 | 2018-02-02 | 徐州工程学院 | Reactor control system based on PLC |
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Non-Patent Citations (1)
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181106 |