CN108164703B - Full-automatic methyl vinyl silicone rubber continuous production line - Google Patents
Full-automatic methyl vinyl silicone rubber continuous production line Download PDFInfo
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- CN108164703B CN108164703B CN201810189929.1A CN201810189929A CN108164703B CN 108164703 B CN108164703 B CN 108164703B CN 201810189929 A CN201810189929 A CN 201810189929A CN 108164703 B CN108164703 B CN 108164703B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
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Abstract
The invention provides a full-automatic continuous production line of methyl vinyl silicone rubber, which can effectively improve the production efficiency and reduce the energy consumption, meanwhile, the production process realizes full automation and continuity, the product quality is superior to the traditional production, the whole production line is energy-saving and environment-friendly, and no pollutant is discharged. The technical scheme of the full-automatic methyl vinyl silicone rubber continuous production line comprises the following steps: the system comprises a DMC storage tank, a vinyl silicone oil dilution tank, a vinyl dilution tank and an alkali glue dilution tank; a premixer in communication with the DMC tank, the vinyl silicone oil dilution tank, and the vinyl dilution tank, respectively; the polymerization kettle is respectively communicated with the premixer and the alkali glue dilution tank; and the low removal kettle is respectively connected with the polymerization kettle, the primary cooler and the secondary cooler.
Description
Technical Field
The invention is applied to the field of production of organic silicon, and particularly relates to a full-automatic continuous production line of methyl vinyl silicone rubber.
Background
In the organosilicon industry, a production mode which takes manpower as guidance is mainly adopted at present, the production has no continuity, low efficiency, low material recycling rate and large molecular weight deviation of products, and each process needs personnel to participate.
Aiming at the defects of high energy consumption, high labor intensity, low efficiency and the like in the traditional production, a full-automatic continuous production line is urgently needed to solve the problems.
Disclosure of Invention
The invention provides a full-automatic continuous production line of methyl vinyl silicone rubber, which can effectively improve the production efficiency and reduce the energy consumption, meanwhile, the production process realizes full automation and continuity, the product quality is superior to the traditional production, the whole production line is energy-saving and environment-friendly, and no pollutant is discharged.
The technical scheme of the full-automatic methyl vinyl silicone rubber continuous production line comprises the following steps:
the system comprises a DMC storage tank, a vinyl silicone oil dilution tank, a vinyl dilution tank and an alkali glue dilution tank;
a premixer in communication with the DMC tank, the vinyl silicone oil dilution tank, and the vinyl dilution tank, respectively;
the polymerization kettle is respectively communicated with the premixer and the alkali glue dilution tank;
and the low-removing kettle is respectively connected with the polymerization kettle, the primary cooler and the secondary cooler.
Preferably, the DMC storage tank is also connected with a dehydration kettle.
Preferably, a metering tank is connected between the DMC storage tank, the vinyl silicone oil dilution tank, the vinyl dilution tank and the premixer respectively.
Preferably, a mixing screw is arranged in the premixer, and the mixing screw comprises a plurality of helical blades.
Preferably, a metering tank is connected between the alkali glue dilution tank and the polymerization kettle.
Preferably, the system also comprises a recoverer, wherein one recoverer is connected between the primary cooler and the secondary cooler, and the other recoverer is connected with the secondary cooler.
Preferably, the bottom of the low-removing kettle is connected with a discharge port, and the discharge port is connected with a discharge system.
Preferably, the discharging system comprises a discharging screw, a cooler and a filter.
The beneficial effect of adopting above-mentioned technical scheme is:
raw rubber is prepared from dehydrated hydrolysates DMC, vinyl silicone oil and vinyl, alkali rubber is used as a catalyst for a crosslinking reaction, the vinyl silicone oil is used as a sealing agent, the vinyl silicone oil and the vinyl raw materials are respectively diluted and measured by using an electronic scale weight loss principle, and the diluted vinyl silicone oil and the vinyl are fully mixed in a screw conveying process of a mixing screw rod and then conveyed to a polymerization kettle through a pipeline for chemical reaction.
And meanwhile, the system is also provided with a metering system which is respectively a DMC metering tank, a vinyl silicone oil metering tank, an alkali glue metering tank and a vinyl metering tank, full-automatic metering is carried out by utilizing a DCS computer control center, auxiliary materials with proper proportion are prepared by utilizing the weight loss of an electronic scale, and all process parameters in the production process can be collected and stored.
Meanwhile, a first-stage cooler and a second-stage cooler are arranged, a second-stage heat exchange system is used for recovering low molecules, and the recovery rate of the second-stage cooling material of the low molecule removing device is 2% higher than that of the traditional first-stage cooling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a structural diagram of a full-automatic methyl vinyl silicone rubber continuous production line of the present invention;
illustration of the drawings:
the system comprises a dehydration kettle 1, a DMC storage tank 2, a vinyl silicone oil dilution tank 3, an alkali gel dilution tank 4, an alkali gel synthesis kettle 5, a vinyl dilution tank 6, a DMC metering tank 7, a vinyl silicone oil metering tank 8, an alkali gel metering tank 9, a vinyl metering tank 10, a pre-mixer 11, a lowering kettle 12, a polymerization kettle 13, a primary cooler 14, a secondary cooler 15, a discharge screw 16, a first cooler 17, a filter 18, a second cooler 19, a primary low molecular recoverer 20 and a secondary low molecular recoverer 21.
Detailed Description
The invention provides a full-automatic continuous production line of methyl vinyl silicone rubber, which can effectively improve the production efficiency and reduce the energy consumption, meanwhile, the production process realizes full automation and continuity, the product quality is superior to the traditional production, the whole production line is energy-saving and environment-friendly, and no pollutant is discharged.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the full-automatic continuous production line of methyl vinyl silicone rubber of the present invention comprises:
the system comprises a DMC storage tank 2, a vinyl silicone oil dilution tank 3, a vinyl dilution tank 6 and an alkali glue dilution tank 4;
storing the hydrolysate DMC raw material in a DMC storage tank 2 after dehydration by a dehydration kettle 1; vinyl silicone oil is used as a sealing agent, and a vinyl silicone oil raw material is stored in a vinyl diluting tank 3; the vinyl feedstock is stored in a vinyl dilution tank 6; the alkali glue is used as a catalyst for a cross-linking reaction, and the alkali glue material is stored in an alkali glue diluting tank 4 after passing through an alkali glue synthesizing kettle 5. The crude rubber is prepared from a dehydrated hydrolysate DMC, vinyl silicone oil and vinyl.
Fully mixing the dehydrated hydrolysate DMC, the vinyl silicone oil raw material and the vinyl raw material in a premixer 11, wherein the three materials before mixing in the premixer 11 further comprise: the DMC storage tank 2 corresponds to a DMC measuring tank 7, the vinyl silicone oil diluting tank 3 corresponds to a vinyl silicone oil measuring tank 8, the vinyl diluting tank 6 corresponds to a vinyl measuring tank 10, auxiliary materials with proper proportion are prepared by utilizing the weight loss of electronic scales of the measuring tanks, and then a certain amount of hydrolysates DMC, vinyl silicone oil and vinyl are conveyed to a pre-mixer 11.
The premixer 11 is provided with a mixing screw, the mixing screw is provided with a plurality of helical blades, and the three raw materials are fully mixed in the helical conveying process of the mixing screw and then conveyed into the polymerizer 13 through a pipeline for chemical reaction. The design and application of the mixing screw ensure that the auxiliary materials (vinyl silicone oil and vinyl) and the base material (DMC) can be fully and uniformly mixed, and play a decisive role in the aspects of subsequent raw rubber molecular weight consistency and production efficiency improvement.
The mixture in the premixer 11 and the catalyst alkali glue are chemically reacted in the polymerizer 13, and the alkali glue raw material comprises: alkali collagen material gets into alkali glue dilution tank 4 through alkali glue synthetic kettle 5, and alkali glue dilution tank 4 corresponds an alkali glue metering tank 9, and alkali glue metering tank 9 communicates with polymerizer 13, and a certain amount of alkali collagen material is carried to polymerizer 13 in.
The polymerization kettle 13 is also connected with the low-molecular removal kettle 12, a discharge hole is arranged at the bottom of the low-molecular removal kettle 12, the discharge hole is connected with a discharge system, and the low-molecular removal kettle 12 is also sequentially connected with a primary cooler 14, a primary low-molecular recovery device 20, a secondary cooler 15 and a secondary low-molecular recovery device 21. The application of the secondary cooling system can improve the traditional primary cooling effect, part of low molecules of the mixed gas containing the low molecules are condensed into liquid after passing through the primary heat exchanger, the traditional low molecule recovery only adopts primary cooling, the low molecule recovery rate is low, the production cost is high, and the secondary cooling can be utilized to effectively recycle the low molecules in the mixed gas, so that the low molecule recovery rate is improved by 2 percent.
The discharging system is provided with a discharging screw 16, a second cooler 19, a filter 18 and a first cooler 17. The discharging screw 16 is spiral, discharging is convenient, materials are cooled through the second cooler 19 in the discharging process, then the filter 18 effectively filters out impurities in raw rubber subjected to a de-lowering procedure in raw rubber preparation through a filter screen, and then the raw rubber is cooled through the first cooler 17.
Two filter screens of the filter 18 are driven to reverse by a hydraulic system, and the filter screens can be replaced on the premise of ensuring continuous production. ,
the high-heat-exchange-efficiency discharging and cooling device has the advantages that the high-temperature raw rubber can be rapidly cooled through the discharging screw 16, the second cooling device 19 and the first cooling device 17, the temperature of materials can be rapidly reduced to be lower than 60 ℃, and workers are effectively prevented from being scalded in the packaging process.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A full-automatic methyl vinyl silicone rubber continuous production line is characterized by comprising:
the system comprises a DMC storage tank, a vinyl silicone oil dilution tank, a vinyl dilution tank and an alkali glue dilution tank;
a premixer in communication with the DMC storage tank, the vinyl silicone oil dilution tank, and the vinyl dilution tank, respectively;
the polymerization kettle is respectively communicated with the premixer and the alkali glue dilution tank;
a low-removing kettle which is respectively connected with the polymerization kettle, the primary cooler and the secondary cooler;
a metering tank is respectively connected among the DMC storage tank, the vinyl silicone oil dilution tank, the vinyl dilution tank and the premixer;
a mixing screw is arranged in the premixer and comprises a plurality of helical blades;
and a metering tank is connected between the alkali glue diluting tank and the polymerization kettle.
2. The full-automatic continuous production line of methyl vinyl silicone rubber as claimed in claim 1, wherein the DMC storage tank is further connected with a dehydration kettle.
3. The automatic continuous methyl vinyl silicone rubber production line according to claim 1, further comprising a recycler, wherein one recycler is connected between the primary cooler and the secondary cooler, and the other recycler is connected with the secondary cooler.
4. The full-automatic methyl vinyl silicone rubber continuous production line of claim 1, wherein the bottom of the lowering kettle is connected with a discharge port, and the discharge port is connected with a discharge system.
5. The full-automatic continuous methyl vinyl silicone rubber production line according to claim 4, wherein the discharge system comprises a discharge screw, a cooler and a filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189929.1A CN108164703B (en) | 2018-03-08 | 2018-03-08 | Full-automatic methyl vinyl silicone rubber continuous production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189929.1A CN108164703B (en) | 2018-03-08 | 2018-03-08 | Full-automatic methyl vinyl silicone rubber continuous production line |
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| CN108164703A CN108164703A (en) | 2018-06-15 |
| CN108164703B true CN108164703B (en) | 2023-04-07 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109012501A (en) * | 2018-08-01 | 2018-12-18 | 佛山市金银河智能装备股份有限公司 | Prepare the full-automatic dilution metering process of the auxiliary material of methyl vinyl silicone rubber |
| CN109503840A (en) * | 2018-10-31 | 2019-03-22 | 东莞市锕舒尔智能科技有限公司 | A kind of full-automatic continuous production line of 107 silicon rubber |
| CN109603682A (en) * | 2018-12-12 | 2019-04-12 | 广州道林合成材料有限公司 | De- low molecule equipment and silicone oil preparation method |
| CN110330654B (en) * | 2019-07-10 | 2020-07-28 | 内蒙古恒业成有机硅有限公司 | Methyl vinyl silicone rubber and application thereof |
| CN110804186A (en) * | 2019-11-26 | 2020-02-18 | 山东大易化工有限公司 | Continuous production process and equipment for vinyl silicone oil |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202829910U (en) * | 2012-09-11 | 2013-03-27 | 佛山市金银河机械设备有限公司 | Continuous production line for methyl vinyl silicone rubber |
| CN202829909U (en) * | 2012-09-11 | 2013-03-27 | 佛山市金银河机械设备有限公司 | Removing device for methyl vinyl silicone rubber continuous production line |
| CN203715547U (en) * | 2014-01-29 | 2014-07-16 | 浙江合盛硅业有限公司 | Production system for preparing 107 silicon rubber |
| CN205343511U (en) * | 2016-02-02 | 2016-06-29 | 佛山市金银河智能装备股份有限公司 | Continuous automatic production line of dual component electron liquid silicon rubber |
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