CN203764260U - Automatic production device for styrene-acrylic emulsion polymerization - Google Patents
Automatic production device for styrene-acrylic emulsion polymerization Download PDFInfo
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- CN203764260U CN203764260U CN201420148960.8U CN201420148960U CN203764260U CN 203764260 U CN203764260 U CN 203764260U CN 201420148960 U CN201420148960 U CN 201420148960U CN 203764260 U CN203764260 U CN 203764260U
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- styrene
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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 utility model discloses an automatic production device for styrene-acrylic emulsion polymerization. The automatic production device for styrene-acrylic emulsion polymerization comprises a PLC (programmable logic controller) control system, an acrylic ester elevated tank, a styrene elevated tank and an initiator elevated tank, wherein the acrylic ester elevated tank, the styrene elevated tank and the initiator elevated tank are connected with a polymerization reaction kettle by pipelines; the polymerization reaction kettle is provided with a heating steam pipe or a cooling water pipe in a jacketed manner; the bottom parts of the acrylic ester elevated tank, the styrene elevated tank and the initiator elevated tank are all provided with weight sensors which are all connected with an input end of the PLC control system; acrylic ester, styrene and initiator charge pipes are all provided with control valves which are all connected with an input end of the PLC control system; the polymerization reaction kettle is provided with a temperature sensor which is connected with the input end of the PLC control system; an inlet of the heating steam pipe and an inlet of the cooling water pipe are both provided with control valves which are both connected with the output end of the PLC control system. According to the automatic production device disclosed by the utility model, the PLC control system is additionally arranged, and a PLC is utilized for controlling the polymerization reaction temperature and the charge speed automatically, and the safety production and the product quality are ensured.
Description
Technical field
The utility model belongs to chemical production technical field, relates to a kind of automatic production device for Styrene-Acrylate Emulsion Polymerization.
Background technology
So-called benzene emulsion refers to that styrene and acrylamide and esters of acrylic acid carry out the class chemicals that emulsion polymerisation forms, and is widely used in the paint adhesive of the pigment dyeing of dyeing and the adhesive of stamp, building trade, the adhesive of timber processing etc.
Because the polymerisation of benzene emulsion is carried out in emulsion, each reaction monomers is carried out polymerisation under the effect of initator, starting stage is to absorb heat to react, later along with the heat of emitting reacting, if controlling improper will generation cruelly gathers, gently cause reaction mass loss, heavy can cause that production accident works the mischief.Therefore this course of reaction is carried out to automation control, to improving the quality of products, prevent that security incident from being very important.
In prior art for Styrene-Acrylate Emulsion Polymerization production method be all by controlling manually, instrument auxiliary operation, because manual operation destabilizing factor is more, especially in material metering and charging rate, reaction temperature, reaction pressure, the links such as control in reaction time, man-induced fluctuations factor is larger, it is all inadequate that products obtained therefrom is mainly manifested in outward appearance, bonding intensity and stability aspect, thereby larger to the quality influence of product, become the current problem demanding prompt solution of dealer of association area.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of safe, efficient automatic production device for Styrene-Acrylate Emulsion Polymerization is provided.
The technical solution of the utility model is as follows:
For an automatic production device for Styrene-Acrylate Emulsion Polymerization, it comprises PLC control system, polymerization reaction kettle and the acrylate head tank being connected with polymerization reaction kettle respectively by pipeline, styrene head tank and initator head tank; Polymerization reaction kettle chuck is provided with heating steam pipe or cooling water pipe; Acrylate head tank, styrene head tank and initator head tank bottom are equipped with weight sensor, and this weight sensor is all connected with the input port of PLC control system; On the pipeline that acrylate head tank, styrene head tank and initator head tank are connected with polymerization reaction kettle (being acrylate feed pipe, styrene charge pipe, initiator feed pipe), be equipped with control valve, these control valves are all connected with the output port of PLC control system; Polymerization reaction kettle is provided with temperature sensor, and this temperature sensor is connected with the input port of PLC control system; Heating steam tube inlet and cooling water pipe entrance are equipped with control valve, and this control valve is all connected with the output port of PLC control system.
Further, described weight sensor is an electronic scale with transmitter.
Further, described automatic production device also comprises the steam generator being connected with heating steam tube inlet, and the bosh being connected with cooling water pipe entrance.
The beneficial effects of the utility model:
A kind of automatic production device for Styrene-Acrylate Emulsion Polymerization of the utility model, mainly in original production device, to increase by a programmable logic control device PLC control system, by PLC control system, the polymerisation of benzene emulsion is controlled automatically, specific practice is: in acrylate head tank, styrene head tank and initator head tank bottom, set up weight sensor; All make the inlet valve on acrylate, styrene and initiator solution feed pipe into control valve; At polymerization reaction kettle, set up temperature sensor; Also all make the heating steam pipe of polymerization reaction kettle chuck and cooling water pipe inlet valve into control valve; All control valves are all connected with PLC control system with all wt sensor and temperature sensor.By PLC control system, the polymerisation for Styrene-Acrylate Emulsion Polymerization is produced and carried out data acquisition and control operation thus, this polymerisation is carried out under stable temperature and pressure, both guaranteed reacting completely of raw material, safety in production and product quality have been guaranteed again, solved in existing production technology in material metering and charging rate simultaneously, reaction temperature, reaction pressure, in the links such as the control in reaction time, man-induced fluctuations factor is larger, and the products obtained therefrom causing is mainly manifested in bond properties and stability aspect is all inadequate, thereby larger to the quality influence of product, effectively overcome various shortcoming of the prior art, therefore its application prospect is very wide.
Accompanying drawing explanation
Fig. 1 is the organigram of a kind of automatic production device for Styrene-Acrylate Emulsion Polymerization of the utility model.
In figure: 1, polymerization reaction kettle 2, weight sensor 3, weight sensor 4, weight sensor 5, control valve 6, control valve 7, control valve 8, temperature sensor 9, control valve 10, control valve
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, a kind of automatic production device for Styrene-Acrylate Emulsion Polymerization of the utility model, it comprises PLC control system (not drawing on figure), polymerization reaction kettle 1 and the acrylate head tank being connected with polymerization reaction kettle respectively by pipeline, styrene head tank and initator head tank; Polymerization reaction kettle chuck is provided with heating steam pipe or cooling water pipe; Acrylate head tank, styrene head tank and initator head tank bottom are equipped with weight sensor 2,3,4, and this weight sensor is all connected with the input port of PLC control system; On the pipeline that acrylate head tank, styrene head tank and initator head tank are connected with polymerization reaction kettle respectively, be equipped with control valve 5,6,7, these control valves are all connected with the output port of PLC control system; Polymerization reaction kettle is provided with temperature sensor 8, and this temperature sensor is connected with the input port of PLC control system; Heating steam tube inlet is provided with control valve 9, and cooling water pipe entrance is provided with control valve 10, and this control valve is all connected with the output port of PLC control system.Described polymerization reaction kettle is glassed steel reaction vessels.
The production technology specific operation process of above-mentioned Styrene-Acrylate Emulsion Polymerization is: 1, in initator head tank, add initator and water to be made into initiator solution standby; 2, in styrene head tank, add the styrene material of metering standby; 3, the required acrylate sucking through measuring in esters of acrylic acid head tank is standby; 4, in clean glassed steel reaction vessels, add quantitative deionized water, open and stir, add emulsifying agent, add acrylamide; Open automatic control device; By the automatic control of 2 raw material head tanks, add the acrylate monomer (weight) of 1/3 amount and the styrene (weight) of 1/3 amount respectively, stir 15 minutes; Open heating steam and be slowly warming up to 75 ℃ (approximately 1 hour heating-up time), automatic control adds the initiator solution (weight) of 1/3 amount, now temperature rises comparatively fast, closes heating steam Self controlling valve, automatically regulates cooling water valve gate control reaction temperature to be no more than 102 ℃; When temperature stabilization is during at 92 ± 6 ℃, slowly drip the remaining acrylate monomer of 2/3 amount equably, the initiator solution of the styrene of 2/3 amount and 2/3 amount simultaneously, feed time was controlled at about 1 hour; Finish at 80-90 ℃ of insulation 1-1.5 hour, add termination agent, be then cooled to 45 ℃ of left and right.
The polymerisation of above-mentioned benzene emulsion is macromolecular polymerization reaction, and charging rate can not be too fast, and temperature can not be too low, otherwise initial action is incomplete, and sudden and violent poly-after causing, heat is removed not in time, also can cause the danger of punching material.Initator can not add excessive or too fast, otherwise causes sudden and violent gathering, and heat is removed not in time, causes punching material dangerous, and molecular weight increase simultaneously produces waste product.Therefore, adopt PLC control system automatically to control the polymerisation of benzene emulsion, variation by reaction temperature regulates acrylate monomer and the charging rate of styrene and initator and the flow of cooling water, reaction temperature is stabilized in the scope of process stipulation, has guaranteed safety in production and product quality.
The automation control method of the above-mentioned automatic production device for Styrene-Acrylate Emulsion Polymerization is as follows:
1, the weight sensor of acrylate head tank, styrene head tank, initator head tank bottom is sent to PLC control system by the weight data of acrylate, styrene, initiator solution, via PLC control system, automatically adjust the control valve of controlling on acrylate feed pipe, styrene charge pipe, initiator feed pipe again, to control feeding quantity and the charging rate of acrylate, styrene, initiator solution.
2, temperature sensor is sent to PLC control system by the temperature data of polymerization reaction kettle, via PLC control system, automatically adjust and control the heating steam tube inlet of reacting kettle jacketing and the control valve of cooling water pipe entrance again, when temperature is during lower than technique initialization temperature, open and steam regulation valve heats; When temperature reaches or during higher than technique initialization temperature, steam off valve, opens cooling water valve gate control reaction temperature in required scope.In a word, according to variations in temperature, regulate the charging rate of heating steam or cooling water flow and acrylate, styrene, initiator solution.
Claims (5)
1. for an automatic production device for Styrene-Acrylate Emulsion Polymerization, it is characterized in that, it comprises PLC control system, polymerization reaction kettle and the acrylate head tank being connected with polymerization reaction kettle respectively by pipeline, styrene head tank and initator head tank; Polymerization reaction kettle chuck is provided with heating steam pipe or cooling water pipe; Acrylate head tank, styrene head tank and initator head tank bottom are equipped with weight sensor, and this weight sensor is all connected with the input port of PLC control system; On the pipeline that acrylate head tank, styrene head tank and initator head tank are connected with polymerization reaction kettle respectively, be equipped with control valve, these control valves are all connected with the output port of PLC control system; Polymerization reaction kettle is provided with temperature sensor, and this temperature sensor is connected with the input port of PLC control system; Heating steam tube inlet and cooling water pipe entrance are equipped with control valve, and this control valve is all connected with the output port of PLC control system.
2. the automatic production device for Styrene-Acrylate Emulsion Polymerization as claimed in claim 1, is characterized in that, described weight sensor is an electronic scale with transmitter.
3. the automatic production device for Styrene-Acrylate Emulsion Polymerization as claimed in claim 1 or 2, is characterized in that, described polymerization reaction kettle is glassed steel reaction vessels.
4. the automatic production device for Styrene-Acrylate Emulsion Polymerization as claimed in claim 1 or 2, is characterized in that, described automatic production device also comprises the steam generator being connected with heating steam tube inlet, and the bosh being connected with cooling water pipe entrance.
5. the automatic production device for Styrene-Acrylate Emulsion Polymerization as claimed in claim 3, is characterized in that, described automatic production device also comprises the steam generator being connected with heating steam tube inlet, and the bosh being connected with cooling water pipe entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148960.8U CN203764260U (en) | 2014-03-28 | 2014-03-28 | Automatic production device for styrene-acrylic emulsion polymerization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148960.8U CN203764260U (en) | 2014-03-28 | 2014-03-28 | Automatic production device for styrene-acrylic emulsion polymerization |
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| Publication Number | Publication Date |
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| CN203764260U true CN203764260U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420148960.8U Expired - Fee Related CN203764260U (en) | 2014-03-28 | 2014-03-28 | Automatic production device for styrene-acrylic emulsion polymerization |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106366218A (en) * | 2016-04-22 | 2017-02-01 | 宁波工程学院 | Apparatus and technology for removing VOCs from styrene acrylic emulsion |
| CN115121202A (en) * | 2022-09-02 | 2022-09-30 | 江苏飞宇医药科技股份有限公司 | Reaction kettle temperature control method and production process of cyclopropyl ethyl amide |
-
2014
- 2014-03-28 CN CN201420148960.8U patent/CN203764260U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104014293B (en) * | 2014-03-28 | 2016-03-23 | 上海天坛助剂有限公司 | For the automatic production method of Styrene-Acrylate Emulsion Polymerization |
| CN106366218A (en) * | 2016-04-22 | 2017-02-01 | 宁波工程学院 | Apparatus and technology for removing VOCs from styrene acrylic emulsion |
| CN115121202A (en) * | 2022-09-02 | 2022-09-30 | 江苏飞宇医药科技股份有限公司 | Reaction kettle temperature control method and production process of cyclopropyl ethyl amide |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 |