CN221359893U - High-efficient production system of carboxy styrene butadiene latex - Google Patents
High-efficient production system of carboxy styrene butadiene latex Download PDFInfo
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- CN221359893U CN221359893U CN202421323752.7U CN202421323752U CN221359893U CN 221359893 U CN221359893 U CN 221359893U CN 202421323752 U CN202421323752 U CN 202421323752U CN 221359893 U CN221359893 U CN 221359893U
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- filter
- kettle
- pipeline
- production system
- butadiene latex
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- 239000004816 latex Substances 0.000 title claims abstract description 46
- 229920000126 latex Polymers 0.000 title claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- FDYSSWYQRTVFIS-UHFFFAOYSA-N buta-1,3-diene 3-phenylprop-2-enoic acid Chemical compound C=CC=C.C(=O)(O)C=CC1=CC=CC=C1 FDYSSWYQRTVFIS-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 claims abstract description 53
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 42
- 239000000839 emulsion Substances 0.000 claims abstract description 32
- 238000001556 precipitation Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 239000002174 Styrene-butadiene Substances 0.000 claims description 10
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 10
- 239000011115 styrene butadiene Substances 0.000 claims description 10
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 abstract description 13
- 238000001914 filtration Methods 0.000 description 15
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 12
- 239000002994 raw material Substances 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000006228 supernatant Substances 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 4
- 239000007810 chemical reaction solvent Substances 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 150000002825 nitriles Chemical class 0.000 description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Classifications
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The utility model relates to the technical field of production of carboxyl styrene-butadiene latex, in particular to a high-efficiency production system of carboxyl styrene-butadiene latex. The high-efficiency production system for the carboxyl styrene-butadiene latex comprises a base emulsion preparation kettle, a seed latex preparation kettle and a polymerization kettle, wherein the base emulsion preparation kettle is connected with the polymerization kettle through a pipeline, the seed latex preparation kettle is connected with the polymerization kettle through a pipeline, the polymerization kettle is connected with a demulsification tank through a filter, the demulsification tank is connected with a drying box through a precipitation layering tank, an induced draft fan is connected to the drying box, and a hemispherical disperser is arranged in the demulsification tank. The system carries out seed preparation and base emulsion preparation simultaneously through the cooperation of the base emulsion preparation kettle, the seed latex preparation kettle and the polymerization kettle and is carried out separately from the polymerization reaction, thereby greatly improving the production efficiency.
Description
Technical Field
The utility model relates to the technical field of production of carboxyl styrene-butadiene latex, in particular to a high-efficiency production system of carboxyl styrene-butadiene latex.
Background
The carboxylated nitrile latex is a high-end new material formed by copolymerizing butadiene and acrylonitrile, and has the characteristics of oil resistance, wear resistance, heat resistance and the like. Due to these characteristics, carboxylated nitrile latex has also found wide application in various oil resistant rubber products, such as oil resistant gaskets, cable rubber materials, and the like.
In the preparation process of the carboxylated nitrile latex, butadiene, acrylonitrile and the like are generally taken as raw materials for polymerization reaction, and catalysts, stabilizers and other additives may be added in the process to control the polymerization process and improve the performance of the product.
Chinese patent application CN107216424a, publication date 2019.02.22. Disclosed is a polymerization method of carboxylated styrene-butadiene latex, wherein the polymerization process is carried out in two polymerization kettles, respectively, the main reaction is carried out in a first reaction vessel, the particle diameter increase and the molecular stable growth process are carried out in a second reaction vessel, and the second reaction vessel can be maintained at a temperature lower than the polymerization temperature. However, the reaction efficiency is low and the time required is long. In addition, in actual production, the product obtained after polymerization is completed needs to be filtered, and when the conventional device is used for filtering, the filtering holes are easy to block, and the problem that the filtering holes are difficult to treat after the filtering holes are blocked is solved, so that the production progress is seriously influenced.
Disclosure of utility model
According to the defects in the prior art, the utility model aims to provide a high-efficiency production system for carboxyl styrene-butadiene latex, and seed preparation and base emulsion preparation are simultaneously carried out by the matched use of a base emulsion preparation kettle, a seed latex preparation kettle and a polymerization kettle and are carried out separately from polymerization reaction, so that the production efficiency is greatly improved; through the cooperation of filter, sedimentation layering jar and draught fan, the filter filters with the mode of going into from top to bottom, and when filtration efficiency reduced, through supernatant and the draught fan of sedimentation layering jar, carry out the anti-purge to the filter, promoted filtration efficiency greatly, guaranteed the normal clear of production.
The utility model is realized by adopting the following technical scheme:
The high-efficiency production system for the carboxyl styrene-butadiene latex comprises a base emulsion preparation kettle, a seed latex preparation kettle and a polymerization kettle, wherein the base emulsion preparation kettle is connected with the polymerization kettle through a pipeline, the seed latex preparation kettle is connected with the polymerization kettle through a pipeline, the polymerization kettle is connected with a demulsification tank through a filter, the demulsification tank is connected with a drying box through a precipitation layering tank, an induced draft fan is connected to the drying box, and a hemispherical disperser is arranged in the demulsification tank.
The base emulsion preparation kettle is mainly used for premixing a reaction solvent and part of additives; the seed latex preparation kettle is mainly used for premixing partial raw materials such as butadiene, methacrylic acid and the like to form seed latex; the polymerization kettle is mainly used for the polymerization reaction of all raw materials, and the raw materials in the base emulsion preparation kettle and the seed latex preparation kettle are required to be added into the polymerization kettle.
The inside of the polymerization kettle is provided with a columnar feeder, the base emulsion preparation kettle is connected with the columnar feeder through a pipeline, and the inside of the seed latex preparation kettle is provided with a gas disperser.
A delivery pump is arranged between the polymerization kettle and the filter, and a filter plate is arranged inside the filter.
The demulsifier discharge port is arranged in the demulsifier tank, is positioned above the hemispherical disperser and is connected with a demulsifier pipeline. The arc surface of the hemispherical disperser faces to the discharge port of the demulsifier.
The vertical wall of the precipitation layering tank is provided with an observation port, the precipitation layering tank is connected with a liquid outlet pump through a high-level liquid outlet pipeline, the liquid outlet pump is connected with a filter through a liquid phase filter inlet pipeline, and the joint of the liquid phase filter inlet pipeline and the filter is positioned above the filter plate.
The induced draft fan is connected with the filter through a gas phase filter inlet pipeline, and the joint of the gas phase filter inlet pipeline and the filter is positioned above the filter plate.
A filter discharging pipeline is connected between the filter and the demulsification tank, and the connection part of the filter discharging pipeline and the filter is positioned above the filter plate.
The filter filters in a mode of entering from below and exiting from above, and has the advantages that the filtered solids sink by gravity, but are not adsorbed on the filter plate, so that the filtering efficiency is improved. When the filtration efficiency is reduced, the supernatant of the precipitation layering tank is introduced into the filter, and then the supernatant is introduced into the filter through the hot air in the drying box by the induced draft fan, so that the impurity removal efficiency is improved. The induced draft fan can also guide the hot air in the drying box to other devices.
The junction of delivery pump and filter be located the below of filter, be equipped with impurity discharge gate on the filter, impurity discharge gate is located the below of filter.
The working principle of the utility model is as follows:
The reaction solvent and part of the additives enter a base emulsion preparation kettle, a stirring device starts to work, meanwhile, raw materials such as butadiene, methacrylic acid and the like enter a seed emulsion preparation kettle to prepare seed emulsion, and then raw materials in the base emulsion preparation kettle and the seed emulsion preparation kettle enter a polymerization kettle in sequence, and polymerization starts to be carried out; after the reaction is finished, filtering a product by a filter, then feeding the product into a demulsifier tank, dispersing the demulsifier by a hemispherical disperser, and then feeding the demulsifier tank into a drying box for treatment by a precipitation layering tank after the demulsification is finished; when the filtration efficiency is reduced, the supernatant of the precipitation layering tank is introduced into the filter, and then hot air in the drying box is introduced into the filter through the induced draft fan, so that the impurity removal efficiency is improved. Wherein, the base emulsion preparation kettle is mainly used for premixing a reaction solvent and part of additives; the seed latex preparation kettle is mainly used for premixing partial raw materials such as butadiene, methacrylic acid and the like to form seed latex; the polymerization kettle is mainly used for the polymerization reaction of all raw materials, and the raw materials in the base emulsion preparation kettle and the seed latex preparation kettle are required to be added into the polymerization kettle.
Compared with the prior art, the utility model has the beneficial effects that:
By adopting the high-efficiency production system of the carboxyl styrene-butadiene latex, the seed preparation and the base emulsion preparation are simultaneously carried out by the matched use of the base emulsion preparation kettle, the seed latex preparation kettle and the polymerization kettle and are carried out separately from the polymerization reaction, so that the production efficiency is greatly improved; through the cooperation of filter, sedimentation layering jar and draught fan, the filter filters with the mode of going into from top to bottom, and when filtration efficiency reduced, through supernatant and the draught fan of sedimentation layering jar, carry out the anti-purge to the filter, promoted filtration efficiency greatly, guaranteed the normal clear of production.
Drawings
FIG. 1 is a schematic diagram of a high-efficiency production system for carboxylated styrene-butadiene latex of the utility model;
In the figure: 1. a base emulsion preparation kettle; 2. a seed latex preparation kettle; 3. a polymerization kettle; 4. a filter; 5. a demulsification tank; 6. a precipitation layering tank; 7. a drying box; 8. a gas disperser; 9. a column feeder; 10. a filter plate; 11. a demulsifier discharge port; 12. a hemispherical disperser; 13. an observation port; 14. an induced draft fan; 15. the gas phase enters a filter pipeline; 16. feeding the liquid phase into a filter pipeline; 17. a filter discharge conduit; 18. a transfer pump; 19. an impurity discharge port; 20. high-order liquid pipeline.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects and technical solutions of the present utility model more apparent.
Example 1
As shown in fig. 1, the high-efficiency production system of the carboxyl styrene-butadiene latex comprises a base emulsion preparation kettle 1, a seed latex preparation kettle 2 and a polymerization kettle 3, wherein the base emulsion preparation kettle 1 is connected with the polymerization kettle 3 through a pipeline, the seed latex preparation kettle 2 is connected with the polymerization kettle 3 through a pipeline, the polymerization kettle 3 is connected with a demulsification tank 5 through a filter 4, the demulsification tank 5 is connected with a drying box 7 through a precipitation layering tank 6, an induced draft fan 14 is connected to the drying box 7, and a hemispherical disperser 12 is arranged in the demulsification tank 5. The inside of the polymerization kettle 3 is provided with a columnar feeder 9, the base emulsion preparation kettle 1 is connected with the columnar feeder 9 through a pipeline, and the inside of the seed latex preparation kettle 2 is provided with a gas disperser 8. A transfer pump 18 is arranged between the polymerization kettle 3 and the filter 4, and a filter plate 10 is arranged inside the filter 4. The demulsifier discharge port 11 is arranged in the demulsifier tank 5, the demulsifier discharge port 11 is positioned above the hemispherical disperser 12, and the demulsifier discharge port 11 is connected with a demulsifier pipeline. The vertical wall of the precipitation layering tank 6 is provided with an observation port 13, the precipitation layering tank 6 is connected with a liquid outlet pump through a high-level liquid outlet pipeline 20, the liquid outlet pump is connected with the filter 4 through a liquid inlet filter pipeline 16, and the joint of the liquid inlet filter pipeline 16 and the filter 4 is positioned above the filter plate 10. The induced draft fan 14 is connected with the filter 4 through a gas phase filter inlet pipeline 15, and the connection part of the gas phase filter inlet pipeline 15 and the filter 4 is positioned above the filter plate 10. A filter discharging pipeline 17 is connected between the filter 4 and the demulsification tank 5, and the connection part of the filter discharging pipeline 17 and the filter 4 is positioned above the filter plate 10. The filter 4 filters in a downward-in-upward-out manner, and has the advantage that the filtered solids sink by gravity, rather than being adsorbed on the filter plate 10, and the filtering efficiency is improved. The junction of delivery pump 18 and filter 4 is located the below of filter 10, is equipped with impurity discharge gate 19 on the filter 4, and impurity discharge gate 19 is located the below of filter 10.
The high-efficiency production system of the carboxylated styrene-butadiene latex comprises the following steps:
(1) The reaction solvent and part of the additives enter a base emulsion preparation kettle 1, a stirring device starts to work, meanwhile, raw materials such as butadiene, methacrylic acid and the like enter a seed emulsion preparation kettle 2 to prepare seed emulsion, and then raw materials in the base emulsion preparation kettle 1 and the seed emulsion preparation kettle 2 enter a polymerization kettle 3 in sequence, and polymerization starts to be carried out; (2) After the reaction is finished, filtering a product by a filter 4, then feeding the product into a demulsifier tank 5, dispersing the demulsifier by a hemispherical disperser 12, and then feeding the demulsifier into a drying box 7 for treatment by a precipitation layering tank 6 after the demulsification is finished; (3) When the filtration efficiency is reduced, the supernatant liquid of the precipitation layering tank 6 is introduced into the filter 4, and then the hot air in the drying box 7 is introduced into the filter 4 through the induced draft fan 14, so that the impurity removal efficiency is improved.
Claims (8)
1. The utility model provides a high-efficient production system of carboxy styrene-butadiene latex, a serial communication port, including base emulsion preparation cauldron (1), seed latex preparation cauldron (2) and polymeric kettle (3), base emulsion preparation cauldron (1) link to each other with polymeric kettle (3) through the pipeline, seed latex preparation cauldron (2) link to each other with polymeric kettle (3) through the pipeline, polymeric kettle (3) link to each other with demulsification jar (5) through filter (4), demulsification jar (5) link to each other with stoving case (7) through precipitation layering jar (6), be connected with draught fan (14) on stoving case (7), the inside of demulsification jar (5) is equipped with hemisphere disperser (12).
2. The efficient production system of the carboxylated styrene-butadiene latex according to claim 1, wherein a columnar feeder (9) is arranged in the polymerization kettle (3), the base emulsion preparation kettle (1) is connected with the columnar feeder (9) through a pipeline, and a gas disperser (8) is arranged in the seed latex preparation kettle (2).
3. The efficient production system of carboxylated styrene-butadiene latex according to claim 1, wherein a conveying pump (18) is arranged between the polymerization kettle (3) and the filter (4), and a filter plate (10) is arranged inside the filter (4).
4. The efficient production system of carboxylated styrene-butadiene latex according to claim 1, wherein a demulsifier discharge port (11) is arranged in the demulsifier tank (5), the demulsifier discharge port (11) is positioned above the hemispherical disperser (12), and a demulsifier pipeline is connected to the demulsifier discharge port (11).
5. The efficient production system of carboxylated styrene-butadiene latex as set forth in claim 3, wherein an observation port (13) is provided on the vertical wall of the precipitation and layering tank (6), the precipitation and layering tank (6) is connected with a liquid outlet pump through a high-level liquid outlet pipeline (20), the liquid outlet pump is connected with the filter (4) through a liquid inlet filter pipeline (16), and the joint of the liquid inlet filter pipeline (16) and the filter (4) is located above the filter plate (10).
6. The efficient production system of carboxylated styrene-butadiene latex according to claim 3, wherein the induced draft fan (14) is connected with the filter (4) through a gas phase filter inlet pipeline (15), and the connection part of the gas phase filter inlet pipeline (15) and the filter (4) is positioned above the filter plate (10).
7. The efficient production system of carboxylated styrene-butadiene latex as set forth in claim 3, wherein a filter discharging pipeline (17) is connected between the filter (4) and the demulsification tank (5), and the connection part of the filter discharging pipeline (17) and the filter (4) is located above the filter plate (10).
8. The efficient production system of carboxylated styrene-butadiene latex as set forth in claim 3, wherein the connection between the conveying pump (18) and the filter (4) is located below the filter plate (10), the filter (4) is provided with an impurity discharge port (19), and the impurity discharge port (19) is located below the filter plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421323752.7U CN221359893U (en) | 2024-06-12 | 2024-06-12 | High-efficient production system of carboxy styrene butadiene latex |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421323752.7U CN221359893U (en) | 2024-06-12 | 2024-06-12 | High-efficient production system of carboxy styrene butadiene latex |
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| Publication Number | Publication Date |
|---|---|
| CN221359893U true CN221359893U (en) | 2024-07-19 |
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|---|---|---|---|
| CN202421323752.7U Active CN221359893U (en) | 2024-06-12 | 2024-06-12 | High-efficient production system of carboxy styrene butadiene latex |
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| Country | Link |
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| CN (1) | CN221359893U (en) |
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