CN112516904B - Automatic control system and method for phenolic resin reaction kettle - Google Patents
Automatic control system and method for phenolic resin reaction kettle Download PDFInfo
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- CN112516904B CN112516904B CN202011402468.5A CN202011402468A CN112516904B CN 112516904 B CN112516904 B CN 112516904B CN 202011402468 A CN202011402468 A CN 202011402468A CN 112516904 B CN112516904 B CN 112516904B
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- reaction kettle
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 92
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229920001568 phenolic resin Polymers 0.000 title claims abstract description 19
- 239000005011 phenolic resin Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 36
- 230000035484 reaction time Effects 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 4
- 238000004260 weight control Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- -1 phenolic aldehyde Chemical class 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/2201—Control or regulation characterised by the type of control technique used
- B01F35/2209—Controlling the mixing process as a whole, i.e. involving a complete monitoring and controlling of the mixing process during the whole mixing cycle
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
The invention discloses an automatic control system and a method of a phenolic resin reaction kettle, relating to the technical field of phenolic resin production and manufacture, wherein a display and an alarm monitoring module are respectively connected with a main control module, the display is used for displaying the current time of the system, the reaction duration and the temperature and weight inside the reaction kettle in real time and transmitting information to the main control module, the alarm monitoring module is used for monitoring the reaction duration, the temperature and weight inside the reaction kettle in real time and transmitting information to the main control module, the main control module is used for processing the collected data and controlling each component inside the reaction kettle, the system is controlled in a sectional manner, reaction parameters in different time sections are set along with the increase of the reaction time, the occurrence of scaling phenomenon is eliminated, the front and back quality of product materials is different, and the stability of the product quality is ensured, meanwhile, the system is provided with an alarm monitoring module, is safe and efficient, and has good economic benefits.
Description
Technical Field
The invention relates to the technical field of production and manufacturing of phenolic resin, in particular to an automatic control system and method of a phenolic resin reaction kettle.
Background
Phenolic resin, also called bakelite, is prepared by condensation polymerization of phenol and formaldehyde in the presence of a catalyst, neutralization and washing. In the phenolic aldehyde process, one of the required devices is a reaction kettle, and the raw materials are emulsified and dehydrated in the reaction kettle.
However, the existing technology is that the reaction kettle continuously works according to the set parameters, in the long-time use process, the materials in the reaction kettle are stirred and centrifugally separated under the action of gravity, so that the materials with large gravity are closer to the wall of the reaction kettle, the reaction kettle heats the materials through the coil pipes in the kettle wall, the materials are contacted with a high-temperature heating surface for a long time, the scaling phenomenon is easily caused, the conditions in the reaction kettle are changed, the reaction effect is poor, and the product quality is seriously influenced.
Disclosure of Invention
The invention provides an automatic control system and method for a phenolic resin reaction kettle, relates to the technical field of production and manufacturing of phenolic resin, can effectively solve the problems, and is simple in structure and convenient to use.
The specific technical scheme is that an automatic control system of a phenolic resin reaction kettle comprises: the device comprises a display, an alarm monitoring module and a main control module.
The display and the alarm monitoring module in the reaction kettle are respectively connected with the main control module.
The display is used for displaying the current time of the system, the reaction duration, the temperature and the weight in the reaction kettle in real time and transmitting information to the main control module.
The alarm monitoring module is used for monitoring the reaction time, the temperature and the weight in the reaction kettle in real time and transmitting information to the main control module.
The main control module is used for processing the collected data and controlling each component in the reaction kettle.
Further, the display includes: temperature display module, time display module, weight display module and setting module, the temperature display module the time display module the weight display module with the setting module respectively with controller in the master control module is connected, the temperature display module is used for showing temperature signal in the reation kettle, the time display module is used for showing the current time of system and length of time that the reaction goes on, the weight display module is used for showing the inside material weight of reation kettle, the setting module is used for supplying the user to set for reaction parameter to with information transmission extremely in the controller.
Further, the alarm monitoring module includes: temperature monitoring module, time monitoring module, weight monitoring module and siren, the temperature monitoring module the time monitoring module the weight monitoring module with the siren respectively with the controller is connected, the temperature monitoring module is used for acquireing temperature signal in the reation kettle, and with temperature signal carry extremely in the controller, the time monitoring module is used for acquireing the time signal that the reaction goes on, and with reaction time signal carry extremely in the controller, the weight monitoring module is used for acquireing material weight signal in the reation kettle, and with material weight signal carry extremely in the controller, the siren is used for receiving main control module's signal to send out the sound alarm.
Further, the master control module includes: the temperature control module, the time control module, the weight control module and the time correlation module are respectively connected with the controller, the time correlation module is used for judging the time period according to the current time of the system and transmitting the set reaction parameters of the time period to the controller, the temperature control module is used for adjusting the temperature in the reaction kettle according to the received temperature parameters, the time control module is used for adjusting the reaction time of each step in the reaction kettle according to the received time parameters, and the weight control module is used for adjusting the material feeding amount in the reaction kettle according to the received weight parameters.
A control method of a phenolic resin reaction kettle comprises the following steps:
and S1, pressing a start button, and running the system self-test for one minute.
S2, setting the number of time segments and the reaction parameters in each step in each time segment.
And S3, the time correlation module calls the reaction parameters of the corresponding time segment according to the current time of the system and the set time segment.
And S4, starting a feeding motor and a stirring motor to enable the materials to enter the reaction kettle.
S5, judging whether the materials in the kettle reach 80% of the set value, if so, executing a step S6, otherwise, returning to the step S4.
And S6, the temperature control module controls the steam proportional valve to be opened and starts to heat.
S7, judging whether the materials in the kettle reach 90% of the set value, if so, executing a step S8, otherwise, returning to the step S4.
S8, judging whether the materials in the kettle reach the set temperature, if so, executing the step S9, otherwise, returning to the step S6.
S9, maintaining the set temperature in the kettle for a certain time.
And S10, starting a vacuum pump, and cooling the reaction kettle.
And S11, judging whether the temperature in the kettle is reduced to a set value, if so, executing a step S12, and if not, returning to the step S10.
S12, maintaining the set temperature in the kettle for a certain time.
And S13, stopping cooling, starting a feeding motor, and enabling the materials to enter the reaction kettle.
S14, judging whether the weight of the materials in the kettle reaches 100% of the set value, if so, executing a step S15, otherwise, returning to the step S13.
And S15, stopping feeding, and stirring for a set time.
And S16, starting a discharging motor to discharge.
And S17, judging whether the time is the final time segment, if so, finishing the reaction, and if not, returning to the step S3.
By adopting the technical scheme, compared with the prior art, the system adopts sectional control to perform time segmentation on the reaction, sets reaction parameters in different time segments along with the increase of the service time of the reaction kettle, eliminates the phenomenon of scaling in the reaction kettle, causes different front and back qualities of product materials, and ensures the stability of product quality.
Drawings
FIG. 1 is a schematic diagram of an automatic control system for a phenolic resin reaction vessel;
FIG. 2 is a flow chart of the present invention.
Description of reference numerals:
1. a reaction kettle, 2, a display, 3, an alarm monitoring module, 4, a main control module,
21. a temperature display module 22, a time display module 23, a weight display module 24, a setting module,
31. a temperature monitoring module 32, a time monitoring module 33, a weight monitoring module 34, an alarm,
41. controller, 42, temperature control module, 43, time control module, 44, weight control module, 45, time correlation module.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings and examples:
it should be noted that the structures, proportions, sizes, and the like shown in the drawings are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which can be implemented, and any modifications of the structures, changes of the proportions, or adjustments of the sizes, should fall within the scope of the present disclosure without affecting the efficacy and attainment of the same.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1-2, an automatic control system for a phenolic resin reaction vessel comprises: display 2, alarm monitoring module 3, main control module 4.
The display 2 and the alarm monitoring module 3 in the reaction kettle 1 are respectively connected with the main control module 4;
the display 2 is used for displaying the current time of the system, the reaction duration, the temperature and the weight in the reaction kettle 1 in real time and transmitting information to the main control module 4.
The alarm monitoring module 3 is used for monitoring the reaction time, the temperature and the weight inside the reaction kettle 1 in real time and transmitting the information to the main control module 4.
The main control module 4 is used for processing the collected data and controlling each component in the reaction kettle 1.
Further, the display 2 includes: the temperature display module 21, the time display module 22, the weight display module 23 and the setting module 24, the temperature display module 21, the time display module 22, the weight display module 23 and the setting module 24 are respectively connected with the controller 41 in the main control module 4, the temperature display module 21 is used for displaying the temperature signal in the reaction kettle 1, the time display module 22 is used for displaying the current time of the system and the duration of the reaction, the weight display module 23 is used for displaying the weight of the materials in the reaction kettle 1, the setting module 24 is used for setting the reaction parameters for the user, and the information is transmitted to the controller 41.
Further, the alarm monitoring module 3 includes: temperature monitoring module 31, time monitoring module 32, weight monitoring module 33 and siren 34, temperature monitoring module 31, time monitoring module 32, weight monitoring module 33 and siren 34 are connected with controller 41 respectively, temperature monitoring module 31 is arranged in obtaining the temperature signal in reation kettle 1, and carry temperature signal to controller 41, time monitoring module 32 is arranged in obtaining the time signal that the reaction goes on, and carry the reaction time signal to controller 41, weight monitoring module 33 is arranged in obtaining the material weight signal in reation kettle 1, and carry the material weight signal to controller 41, siren 34 is arranged in receiving main control module 4's signal, and send out the sound alarm.
Further, the main control module 4 includes: the system comprises a controller 41, a temperature control module 42, a time control module 43, a weight control module 44 and a time correlation module 45, wherein the temperature control module 42, the time control module 43, the weight control module 44 and the time correlation module 45 are respectively connected with the controller 41, the time correlation module 45 is used for judging the time period of the system according to the current time of the system and transmitting the set reaction parameters of the time period to the controller 41, the temperature control module 42 is used for adjusting the temperature in the reaction kettle 1 according to the received temperature parameters, the time control module 43 is used for adjusting the reaction time of each step in the reaction kettle 1 according to the received time parameters, and the weight control module 44 is used for adjusting the material feeding amount in the reaction kettle 1 according to the received weight parameters.
Example 1:
a control method of a phenolic resin reaction kettle comprises the following steps:
and S1, pressing a start button, and running the system self-test for one minute.
S2, setting the number of time segments and the reaction parameters in each step in each time segment.
S3, the time correlation module 45 calls the reaction parameters of the corresponding time segment according to the current time of the system and the set time segment.
S4, starting a feeding motor and a stirring motor to enable the materials to enter the reaction kettle 1.
S5, judging whether the materials in the kettle reach 80% of the set value, if so, executing a step S6, otherwise, returning to the step S4.
And S6, the temperature control module 42 controls the steam proportional valve to be opened to start temperature rise.
S7, judging whether the materials in the kettle reach 90% of the set value, if so, executing a step S8, otherwise, returning to the step S4.
S8, judging whether the materials in the kettle reach the set temperature, if so, executing the step S9, otherwise, returning to the step S6.
S9, maintaining the set temperature in the kettle for a certain time.
And S10, starting a vacuum pump, and cooling the reaction kettle 1.
And S11, judging whether the temperature in the kettle is reduced to a set value, if so, executing a step S12, and if not, returning to the step S10.
S12, maintaining the set temperature in the kettle for a certain time.
S13, stopping cooling, starting a feeding motor, and enabling the materials to enter the reaction kettle 1.
S14, judging whether the weight of the materials in the kettle reaches 100% of the set value, if so, executing a step S15, otherwise, returning to the step S13.
And S15, stopping feeding, and stirring for a set time.
And S16, starting a discharging motor to discharge.
And S17, judging whether the time is the final time segment, if so, finishing the reaction, and if not, returning to the step S3.
Claims (4)
1. The control method of the automatic control system applying the phenolic resin reaction kettle is characterized in that the automatic control system of the phenolic resin reaction kettle comprises a display (2), an alarm monitoring module (3) and a main control module (4);
the main control module (4) comprises a controller (41), a temperature control module (42), a time control module (43), a weight control module (44) and a time correlation module (45);
the display (2) and the alarm monitoring module (3) in the reaction kettle (1) are respectively connected with the main control module (4); the display (2) is used for displaying the current time of the system, the reaction duration, the temperature and the weight in the reaction kettle (1) in real time and transmitting information to the main control module (4); the alarm monitoring module (3) is used for monitoring the reaction time, the temperature and the weight in the reaction kettle (1) in real time and transmitting information to the main control module (4); the main control module (4) is used for processing the collected data and controlling each component in the reaction kettle (1);
the method comprises the following steps:
s1, pressing a start button, and running the system in a self-checking mode for one minute;
s2, setting the number of time segments and the reaction parameters in each step in each time segment;
s3, the time correlation module (45) calls the reaction parameters of the corresponding time segments according to the current time of the system and the set time segments;
s4, starting a feeding motor and a stirring motor to enable materials to enter the reaction kettle (1);
s5, judging whether the materials in the kettle reach 80% of the set value, if yes, executing a step S6, and if not, returning to the step S4;
s6, the temperature control module (42) controls the steam proportional valve to be opened, and temperature rise is started;
s7, judging whether the materials in the kettle reach 90% of the set value, if so, executing a step S8, and if not, returning to the step S4;
s8, judging whether the materials in the kettle reach the set temperature, if so, executing the step S9, otherwise, returning to the step S6;
s9, maintaining the set temperature in the kettle for a certain time;
s10, starting a vacuum pump, and cooling the reaction kettle (1);
s11, judging whether the temperature in the kettle is reduced to a set value, if so, executing a step S12, otherwise, returning to the step S10;
s12, maintaining the set temperature in the kettle for a certain time;
s13, stopping cooling, starting a feeding motor, and feeding materials into the reaction kettle (1);
s14, judging whether the weight of the materials in the kettle reaches 100% of the set value, if so, executing a step S15, otherwise, returning to the step S13;
s15, stopping feeding, and stirring for a set time;
s16, starting a discharging motor to discharge;
and S17, judging whether the time is the final time segment, if so, finishing the reaction, and if not, returning to the step S3.
2. The control method of an automatic control system using a phenolic resin reaction kettle according to claim 1, wherein the display (2) comprises: temperature display module (21), time display module (22), weight display module (23) and setting module (24), temperature display module (21) time display module (22) weight display module (23) with setting module (24) respectively with controller (41) in main control module (4) are connected, temperature display module (21) are used for showing temperature signal in reation kettle (1), time display module (22) are used for the length of time that display system current time and reaction go on, weight display module (23) are used for showing reation kettle (1) inside material weight, setting module (24) are used for supplying the user to set for reaction parameter to with information conveying extremely in controller (41).
3. The control method of an automatic control system using a phenolic resin reaction kettle according to claim 2, characterized in that the alarm monitoring module (3) comprises: a temperature monitoring module (31), a time monitoring module (32), a weight monitoring module (33) and an alarm (34), wherein the temperature monitoring module (31), the time monitoring module (32), the weight monitoring module (33) and the alarm (34) are respectively connected with the controller (41), the temperature monitoring module (31) is used for acquiring a temperature signal in the reaction kettle (1) and transmitting the temperature signal to the controller (41), the time monitoring module (32) is used for acquiring a time signal when a reaction is carried out and transmitting a reaction time signal to the controller (41), the weight monitoring module (33) is used for acquiring a material weight signal in the reaction kettle (1) and transmitting the material weight signal to the controller (41), the alarm (34) is used for receiving a signal of the module (4), and an audible alarm is issued.
4. The control method of the automatic control system for the reaction kettle using the phenolic resin as set forth in claim 2, wherein the temperature control module (42), the time control module (43), the weight control module (44) and the time correlation module (45) are respectively connected to the controller (41), the time correlation module (45) is used for determining the time period according to the current time of the system and transmitting the reaction parameters set in the time period to the controller (41), the temperature control module (42) is used for adjusting the temperature in the reaction kettle (1) according to the received temperature parameters, the time control module (43) is used for adjusting the reaction time of each step in the reaction kettle (1) according to the received time parameters, and the weight control module (44) is used for adjusting the material feeding amount in the reaction kettle (1) according to the received weight parameters And (6) adjusting.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850875A (en) * | 2006-05-18 | 2006-10-25 | 王洁凡 | Phenolic resin and its production process |
| CN104014293A (en) * | 2014-03-28 | 2014-09-03 | 上海天坛助剂有限公司 | Automated production device for styrene-acrylic emulsion mixing and automated control method of automated production device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050136547A1 (en) * | 2003-12-22 | 2005-06-23 | Abb Inc. | Polymer reaction and quality optimizer |
| CN107670604A (en) * | 2017-10-16 | 2018-02-09 | 湖北东神天神实业有限公司 | A kind of emulsifier for emulsion explosive and its production method and production equipment |
| CN110935408B (en) * | 2019-11-04 | 2022-02-22 | 擎天材料科技有限公司 | Control method and system for polyester resin synthesis esterification process |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850875A (en) * | 2006-05-18 | 2006-10-25 | 王洁凡 | Phenolic resin and its production process |
| CN104014293A (en) * | 2014-03-28 | 2014-09-03 | 上海天坛助剂有限公司 | Automated production device for styrene-acrylic emulsion mixing and automated control method of automated production device |
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