CN105936658A - Preparation device and method of sodium polyacrylate - Google Patents
Preparation device and method of sodium polyacrylate Download PDFInfo
- Publication number
- CN105936658A CN105936658A CN201610413571.7A CN201610413571A CN105936658A CN 105936658 A CN105936658 A CN 105936658A CN 201610413571 A CN201610413571 A CN 201610413571A CN 105936658 A CN105936658 A CN 105936658A
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- CN
- China
- Prior art keywords
- sodium polyacrylate
- valve body
- polymerizer
- distillator
- reactor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/04—Acids; Metal salts or ammonium salts thereof
- C08F120/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention provides a preparation device of sodium polyacrylate. The device comprises a distillator, a reaction kettle, a polymerizer and a dryer that are connected in order. The distillator is internally provided with a pressure relief apparatus and a distillation chamber, and the pressure relief apparatus is communicated with the distillation chamber. The reaction kettle and the polymerizer are internally provided with a stirrer. Through the technical scheme, the preparation efficiency of sodium polyacrylate can be effectively improved, the processing process is simple, the cost is low and disassembly and maintenance are convenient, and the labor cost is also reduced. At the same time, the technical scheme can reduce the dopants involved in the sodium polyacrylate preparation process and improve the product purity, thereby improving the quality of sodium polyacrylate.
Description
Technical field
The invention belongs to sodium polyacrylate production and processing field, be specifically related to preparation facilities and the method for a kind of sodium polyacrylate.
Background technology
Sodium polyacrylate is a kind of new functional macromolecule material and important chemical products, and solid product is white (or light yellow) bulk or powder, and liquid form product is colourless (or faint yellow) thick liquid；It is dissolved in the media such as cold water, warm water, glycerol, propylene glycol, stable to variations in temperature, there is the effect of fixing metal ions, the metal ion negative influence to product can be stoped, it it is a kind of surfactant with multiple property, being widely used in the thickening of numerous food, increase muscle and fresh-keeping etc., abroad begin to application from the sixties in last century, ministry of Health of China also official approval in 2000 is food additive.Existing sodium polyacrylate produces equipment and technique is complex and inefficient, thus badly influences application and the discovery of sodium polyacrylate；And owing to sodium polyacrylate easily bonding itself is difficult to be dried separation, also become the factor restricting its high efficiency production.
Based on technical problem present in above-mentioned sodium polyacrylate production and processing, not yet there is relevant solution；Therefore in the urgent need to seeking effective scheme to solve the problems referred to above.
Summary of the invention
It is an object of the invention to, for weak point present in above-mentioned technology, propose preparation facilities and the method for a kind of sodium polyacrylate, it is intended to solve existing sodium polyacrylate and produce problem relative complex, inefficient, that product quality is the highest.
The present invention provides the preparation facilities of a kind of sodium polyacrylate, including the distillator being sequentially connected with, reactor, polymerizer and dehydrator；Being provided with pressure releasing device and distillation chamber in distillator, pressure releasing device connects with distillation chamber；Reactor and polymerizer are provided with agitator.
Further, also include that condensing reflux pipe, condensing reflux pipe are arranged at the distillation chamber port of export.
Further, also including disintegrating machine, disintegrating machine connects with dehydrator.
Further, also including screening machine, screening machine connects with disintegrating machine.
Further, the first valve body and the second valve body are also included；First valve body is arranged between distillator and reactor, is used for controlling reactor；Second valve body is arranged between distillator and polymerizer, is used for controlling polymerizer.
Further, the first valve body and the second valve body are all check valve.
Further, also including that the 3rd valve body, the 3rd valve body are check valve, the 3rd valve body is arranged between dehydrator and disintegrating machine.
The present invention also provides for the preparation method of a kind of sodium polyacrylate, comprises the following steps: S1: acrylic acid solution carries out in distillator distillation process；
S2: deliver to add in reactor by the solution after distillation, and add the sodium hydroxide solution that concentration is 52% ~ 65%；
S3: deliver to the solution in S2, with polymerizer, and add ammonium persulfate initiator stir process；
S4: dry through dehydrator the most again；
S5: the sodium polyacrylate after drying carries out smashing process；
S6: the sodium polyacrylate after smashing carries out screening refinement.
By using above technical scheme, it is possible to being effectively improved the efficiency of producing of sodium polyacrylate, processing technique is relatively simple, cost is relatively low and is easy to remove and repair, reduce cost of labor；Alloy during simultaneously using this programme can reduce sodium polyacrylate, improves the purity of product, thus improves the quality of sodium polyacrylate.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 is the preparation facilities system schematic of a kind of sodium polyacrylate of the present invention.
In figure: 1, distillator；11, the first valve body；2, reactor；21, the 3rd valve body；3, polymerizer；4, dehydrator；41, the 4th valve body；5, pulverizer；51, the 5th valve body；6, screening machine.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As it is shown in figure 1, the present invention provides a kind of device producing sodium polyacrylate, include distillator 1, reactor 2, polymerizer 3, dehydrator 4, disintegrating machine 5 and screening machine 6；Distillator 1, reactor 2, polymerizer 3, dehydrator 4, disintegrating machine 5 and screening machine 6 are sequentially connected with；Being provided with pressure releasing device and distillation chamber in distillator 1, pressure releasing device connects with distillation chamber, it is possible to distillation chamber is carried out pressure release process, and distillation chamber is in order to retort solution thus improves concentration, and is conducive to keeping temperature stabilization；Reactor 2 and polymerizer 3 are provided with agitator, for stirring the liquid in container so that the preparation of sodium polyacrylate more preferably quickness and high efficiency；Distillator 1 and reactor 2 are conducive to the staged care of sodium polyacrylate, it is possible to be effectively improved two grades of refining effects, and reaction is more uniform, stable；Connected by the adapter of falling "Ji" type between distillation chamber 1 and reactor 2 and control reactor 2 by the first valve body 11, remaining liquid the most all preserved by the adapter of falling "Ji" type can play buffering and the effect all pressed by the control of the first valve body 11, avoid influencing each other between reactor 2 and distillator 1 interference, for improving buffering further, all pressing effect, multiple adapter of falling "Ji" type can be provided with；The second valve body 21 it is provided with between reactor 2 and polymerizer 3；Further, the first valve body 11 and the second valve body 12 are check valve.Being provided with the 3rd valve body 41 between dehydrator 4 and disintegrating machine 5, the 3rd valve body 41 is all electromagnetic valve；Being provided with the 4th valve body 51 between disintegrating machine 5 and screening machine 6, the 4th valve body 51 is all check valve；The work that can effectively control between all parts and step is set by the 3rd valve body 41 and the 4th valve body 51, prevents from interfering.
Preferably, also including reflux condensing tube, reflux condensing tube is arranged at the distillation chamber port of export, is mainly used in condensing propylene acid solution, reaches the effect of blood pressure lowering, it is to avoid distillation chamber temperature of liquid out is higher or unstable.
Preferably, for improving drying effect；Also including vaccum-pumping equipment, vaccum-pumping equipment connects with polymerizer respectively, is mainly used in processing polymerizer evacuation, and in general polymerization device, evacuation is maintained at 6 to 8 minutes, and in polymerizer, evacuation processes, and can make next drying effect more preferably.
Preferably, it is also possible to include that separator, separator are arranged at after distillator decontamination after distillation, be conducive to improving the purity of purpose product.
In conjunction with such scheme, the present invention also provides for the preparation method of a kind of sodium polyacrylate, comprises the following steps:
S1: acrylic acid solution is carried out in distillator distillation process；Vapo(u)rizing temperature remains 80 ° of C to 95 ° of C；Time general control is 8 to 15 minutes.
S2: deliver to add in reactor by the solution after distillation, and add the sodium hydroxide solution that concentration is 52% ~ 65%；
S3: deliver to the solution in S2, with polymerizer, and add ammonium persulfate initiator stir process；Stir speed (S.S.) is generally 35r/min.
S4: dry through dehydrator the most again；Before drying, it is also possible to carry out evacuation process, the most beneficially drying effect；
S5: the sodium polyacrylate after drying carries out smashing process, smashes and is mainly refined by sodium polyacrylate, it is simple to various efficient applications；
S6: the sodium polyacrylate after smashing carries out screening refinement, and carries out packed.
Preferably, S1 step also including, pressure release processes, be so conducive to the synthesis of sodium polyacrylate.
Finally, steam off, make the temperature of charge in polymerizer slowly reduce, after being down to room temperature, the little granule of sodium polyacrylate after pulverizing is carried out packed.
By using above technical scheme, it is possible to being effectively improved the efficiency of producing of sodium polyacrylate, processing technique is relatively simple, cost is relatively low and is easy to remove and repair, reduce cost of labor；Alloy during simultaneously using this programme can reduce sodium polyacrylate, improves the purity of product, thus improves the quality of sodium polyacrylate.
The above, only presently preferred embodiments of the present invention, not the present invention is done any pro forma restriction.Any those of ordinary skill in the art, without departing under technical solution of the present invention ambit, may utilize technology contents described above and technical solution of the present invention are made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content without departing from technical solution of the present invention, the technology of the foundation present invention, to any change amendment made for any of the above embodiments, equivalent variations and modification, belongs to the protection domain of the technical program.
Claims (10)
1. the preparation facilities of a sodium polyacrylate, it is characterised in that include distillator, reactor, polymerizer and the dehydrator being sequentially connected with；Being provided with pressure releasing device and distillation chamber in described distillator, described pressure releasing device connects with described distillation chamber；Described reactor and described polymerizer are provided with agitator.
The preparation facilities of sodium polyacrylate the most according to claim 1, it is characterised in that also include that condensing reflux pipe, described condensing reflux pipe are arranged at the described distillation chamber port of export.
The preparation facilities of sodium polyacrylate the most according to claim 1, it is characterised in that also include that disintegrating machine, described disintegrating machine connect with described dehydrator.
The preparation facilities of sodium polyacrylate the most according to claim 1, it is characterised in that also include that screening machine, described screening machine connect with described disintegrating machine.
The preparation facilities of sodium polyacrylate the most according to claim 1, it is characterised in that also include the first valve body and the second valve body；Described first valve body is arranged between described distillator and described reactor, is used for controlling described reactor；Described second valve body is arranged between described distillator and described polymerizer, is used for controlling described polymerizer.
The preparation facilities of sodium polyacrylate the most according to claim 5, it is characterised in that described first valve body and described second valve body are all check valve.
The preparation facilities of sodium polyacrylate the most according to claim 1, it is characterised in that also including the 3rd valve body, described 3rd valve body is check valve, and described 3rd valve body is arranged between described dehydrator and described disintegrating machine.
8. the preparation method of a sodium polyacrylate, it is characterised in that comprise the following steps:
S1: acrylic acid solution is carried out in distillator distillation process；
S2: deliver to add in reactor by the solution after distillation, and add the sodium hydroxide solution that concentration is 52% ~ 65%；
S3: deliver to the solution in S2, with polymerizer, and add ammonium persulfate initiator stir process；
S4: dry through dehydrator the most again；
S5: the sodium polyacrylate after drying carries out smashing process；
S6: the sodium polyacrylate after smashing carries out screening refinement.
The method producing sodium polyacrylate the most according to claim 8, it is characterised in that described S1 step also includes that pressure release processes.
The method producing sodium polyacrylate the most according to claim 8, it is characterised in that maintain the temperature at 50 ° of C to 70 ° of C in described S2 step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413571.7A CN105936658A (en) | 2016-06-14 | 2016-06-14 | Preparation device and method of sodium polyacrylate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413571.7A CN105936658A (en) | 2016-06-14 | 2016-06-14 | Preparation device and method of sodium polyacrylate |
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| Publication Number | Publication Date |
|---|---|
| CN105936658A true CN105936658A (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610413571.7A Pending CN105936658A (en) | 2016-06-14 | 2016-06-14 | Preparation device and method of sodium polyacrylate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936655A (en) * | 2016-06-15 | 2016-09-14 | 湖州超能生化有限公司 | Polymerization device and method of sodium polyacrylate |
| CN112588238A (en) * | 2020-12-18 | 2021-04-02 | 济宁峰润生物科技有限公司 | Production equipment and processing technology of high-purity high-viscosity sodium carboxymethylcellulose |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539879A (en) * | 2012-07-17 | 2014-01-29 | 杭州聚涛生物科技有限公司 | High-molecular weight sodium polyacrylate and preparation method thereof |
| CN105482005A (en) * | 2016-01-04 | 2016-04-13 | 杭州聚涛生物科技有限公司 | Production equipment for sodium polyacrylate |
| CN205838897U (en) * | 2016-06-14 | 2016-12-28 | 湖州超能生化有限公司 | A kind of preparation facilities of sodium polyacrylate |
-
2016
- 2016-06-14 CN CN201610413571.7A patent/CN105936658A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539879A (en) * | 2012-07-17 | 2014-01-29 | 杭州聚涛生物科技有限公司 | High-molecular weight sodium polyacrylate and preparation method thereof |
| CN105482005A (en) * | 2016-01-04 | 2016-04-13 | 杭州聚涛生物科技有限公司 | Production equipment for sodium polyacrylate |
| CN205838897U (en) * | 2016-06-14 | 2016-12-28 | 湖州超能生化有限公司 | A kind of preparation facilities of sodium polyacrylate |
Non-Patent Citations (1)
| Title |
|---|
| 汪多仁编著: "《现代高分子材料生产及应用手册》", 31 May 2002, 中国石化出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936655A (en) * | 2016-06-15 | 2016-09-14 | 湖州超能生化有限公司 | Polymerization device and method of sodium polyacrylate |
| CN112588238A (en) * | 2020-12-18 | 2021-04-02 | 济宁峰润生物科技有限公司 | Production equipment and processing technology of high-purity high-viscosity sodium carboxymethylcellulose |
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Application publication date: 20160914 |
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