CN208266097U - A kind of continuous production system preparing trans-1,4-iroprene polymer - Google Patents
A kind of continuous production system preparing trans-1,4-iroprene polymer Download PDFInfo
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- CN208266097U CN208266097U CN201721871261.6U CN201721871261U CN208266097U CN 208266097 U CN208266097 U CN 208266097U CN 201721871261 U CN201721871261 U CN 201721871261U CN 208266097 U CN208266097 U CN 208266097U
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Abstract
Anti-form-1 is prepared the utility model discloses a kind of, the continuous production system of 4- polyisoprene, including prepolymerization kettle, first reactor, delivery pump, several second reactors, buffer tank, material extruder, centrifugal blower and conveyer belt, according to anti-form-1, the production mode reform of 4- polyisoprene, prepolymerization kettle, first reactor, delivery pump, second reactor, buffer tank and material extruder are successively linked in sequence, wherein several second reactors are connected in series；Prepolymerization kettle is connected to the discharge port of feeding line with the feed inlet of first reactor, the feed inlet of the material recycle mouth connection material recycle pipeline of material extruder, centrifugal blower, the feed inlet of the discharge port connection feeding line of material recycle pipeline are installed on feed recovery pipeline；One end of conveyer belt is located at the discharge outlet of material extruder.The anti-form-1 of the system, the high production efficiency of 4- polyisoprene, stable product quality, material consumption and low energy consumption.
Description
Technical field
The utility model relates to field of chemical equipment more particularly to it is a kind of prepare anti-form-1,4- polyisoprene it is continuous
Change production system.
Background technique
Anti-form-1,4- polyisoprene (TPI) are also known as synthetic guttapercha, and foreign countries are known as Gu Bota glue, Ba Lata glue etc., with
General natural rubber (NR) and isoprene rubber (IR) are isomers.Because TPI is easily crystallized at room temperature, crystalline melt point only 60 DEG C of left sides
The right side, so can be used as low melting point plastic for medical fixed orthotic material etc..But TPI strand is substantially still containing unsaturation
The flexible chain of carbon-to-carbon double bond, therefore can also be crosslinked with the vulcanization process of usual unsaturated rubber.When crosslink density is lower
When, it is a kind of thermotropic elastomer, can be used as shape memory functional material；When crosslink density is higher, since crosslinking hinders to finish
Crystalline substance is converted to elastomeric material.The maximum feature of this elastomer is that dynamic property is good, and heat is low, and fatigue performance is good, is system
Make the excellent material of High-performance green energy conservation and environmental protection tire and high-speed train, automobile shock product.It can be seen that TPI be both plastics and
It is rubber, can also makees functional material, is a kind of macromolecule new material having many uses.
Currently, mainly using TiCl4/MgCl2The technique road of catalyst isoprene bulk precipitation polymerization synthesis TPI
Line.The major advantage of the precipitation polymerization method is high catalytic efficiency, without post-processing；Product anti-form-1,4- structural content are reachable
98% or more；Polymerization system viscosity is very low, avoids the heat transfer of polymerisation in solution medium-high viscosity glue bring, mass transfer, transmission etc. one
It is serial difficult；Process flow is simple, with low investment, and low energy consumption, and cost declines to a great extent；Three-waste free discharge.Due to synthesizing the production of TPI
Cost substantially reduces, and the development and part in future by TPI replace natural rubber and create condition as general purpose rubber, and have
Good industrial prospect.
In the prior art, mainly using Batch Process system to produce anti-form-1,4- polyisoprene, including prepolymerization kettle
And reactor, catalyst and isoprene monomer are placed in prepolymerization kettle carry out prepolymerization reaction first, prepolymerization kettle needs to be arranged 0
DEG C or so, it prepares for subsequent polymerization.Then pre-polymer mix and isoprene monomer are input in reactor, are polymerize
It reacts, needs to be set to 20 DEG C or so in reactor.Since industrialized production inventory is larger, cause to be located at different in reactor
The material extent of polymerization of position is different, and therefore, completion polymerization reaction needs the long period and unstable quality, energy consumption are higher.
Utility model content
The utility model provide it is a kind of prepare anti-form-1, the continuous production system of 4- polyisoprene is anti-to solve
Formula-Isosorbide-5-Nitrae-polyisoprene production efficiency is low, unstable product quality, material consumption and the high problem of energy consumption.
It is provided by the utility model to prepare anti-form-1, the continuous production system of 4- polyisoprene, including prepolymerization kettle,
One reactor, delivery pump, several second reactors, buffer tank, material extruder, centrifugal blower and conveyer belt, according to it is trans--
Isosorbide-5-Nitrae-polyisoprene production mode reform, prepolymerization kettle, first reactor, delivery pump, second reactor, buffer tank and material squeeze out
Machine is successively linked in sequence, wherein several second reactors are connected in series；Prepolymerization kettle is connected to the feed inlet of first reactor
The discharge port of feeding line, the feed inlet of the material recycle mouth connection material recycle pipeline of material extruder, feed recovery pipeline
On centrifugal blower is installed, the feed inlet of the discharge port connection feeding line of material recycle pipeline；One end of conveyer belt is located at object
Expect the discharge outlet of extruder.
Optionally, further include centrifugation kettle, be centrifuged the feed inlet connection second reactor of kettle, the discharge port for being centrifuged kettle connects respectively
Logical buffer tank and material recycle pipeline.
Optionally, prepolymerization kettle uses cold water temperature-controlling system, 0-10 DEG C of temperature control, preferably 0 DEG C.
Optionally, first reactor uses hot water temperature-controlling system, 18-20 DEG C of temperature control, preferably 20 DEG C.
Optionally, second reactor use hot water temperature-controlling system, 20 DEG C of temperature control.
Optionally, condenser is installed on material recycle pipeline, wherein condenser is located at centrifugal blower and is connected to centrifugation kettle
Between mouthful.
Optionally, material extruder is twin-screw material extruder.
Optionally, prepolymerization kettle is the prepolymerization kettle of isoprene monomer and Ziegler-Natta catalyst.
Optionally, the quantity of second reactor is 3-5.
The utility model has the following beneficial effects:
Provided by the utility model to prepare anti-form-1, the continuous production system of 4- polyisoprene, by anti-form-1,4- is poly-
Isoprene and Ziegler-Natta catalyst mixing, in low temperature prepolymerization kettle after pre-polymerization, metering is continuously introduced into first reactor
In with room temperature anti-form-1,4- isoprene polymerization, after reaching certain conversion ratio in the second reactor, buffered tank terminates reaction
Afterwards, it is granulated into material extruder, and unreacted monomer is recycled by material recycle pipeline and is re-used, wherein several strings
The conversion ratio of the second reactor of connection is different, and the conversion ratio in the rearmost second reactor of production system is most
Height, by detecting anti-form-1 therein, the conversion ratio of 4- isoprene, it is determined whether buffer tank will be put into and terminate reaction, realized
Continuous production, finally obtained anti-form-1, product matter of the 4- polyisoprene product than intermittent bulk precipitation polymerization process
Amount is stablized, and production efficiency is higher, and material consumption and energy consumption are lower.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The utility model can be limited.
Detailed description of the invention
It, below will be to attached drawing needed in the embodiment in order to illustrate more clearly of the technical solution of the utility model
It is briefly described, it should be apparent that, for those of ordinary skills, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of knot for the continuous production system for preparing trans-1,4-iroprene polymer provided by the utility model
Structure schematic diagram；
Fig. 2 is the continuous production system that another kind provided by the utility model prepares trans-1,4-iroprene polymer
Structural schematic diagram.
Label indicates in Fig. 1: 1- prepolymerization kettle, 2- first reactor, 3- delivery pump, 4,5,6- second reactor, 7-, it is slow
Deposit tank, 8- material extruder, 9- centrifugal blower, 10- conveyer belt, 11- centrifugation kettle.
Specific embodiment
The utility model provide it is a kind of prepare anti-form-1, the continuous production system of 4- polyisoprene is anti-to solve
Formula-Isosorbide-5-Nitrae-polyisoprene production efficiency is low, unstable product quality, material consumption and the high problem of energy consumption.Below in conjunction with this
Attached drawing in utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shows
So, the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.It is practical new based on this
Embodiment in type, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, fall within the protection scope of the utility model.
Embodiment 1
A kind of anti-form-1, the continuous production system of 4- polyisoprene are prepared as shown in Figure 1, providing for the utility model
The structural schematic diagram of system.Including prepolymerization kettle 1, first reactor 2, delivery pump 3, a second reactor 4, b second reactor 5, c
Two reactors 6, buffer tank 7, material extruder 8, centrifugal blower 9 and conveyer belt 10, according to anti-form-1, the life of 4- polyisoprene
Is produced from direction, prepolymerization kettle 1, delivery pump 3, a second reactor 4, b second reactor 5, c second reactor 6, delays first reactor 2
Deposit tank 7, material extruder 8 is successively linked in sequence.
Prepolymerization kettle 1 is connected to the discharge port of feeding line, the material of material extruder 8 with the feed inlet of first reactor 2
Recovery port is connected to the feed inlet of material recycle pipeline, and centrifugal blower 9 is equipped on feed recovery pipeline, and material recycle pipeline goes out
The feed inlet of material mouth connection feeding line；One end of conveyer belt 10 is located at the discharge outlet of material extruder 8.
In above-mentioned each device, prepolymerization kettle 1 is the prepolymerization kettle of isoprene monomer and Ziegler-Natta catalyst,
Ziegler-Natta catalyst includes following components: (1) the solid catalyst activity component of titaniferous；(2) organo-aluminium alkyl chemical combination
Object is cocatalyst component.Prepolymerization kettle uses cold water temperature-controlling system, 0-10 DEG C of temperature control, preferably 0 DEG C, so that Ziegler-Natta
Catalyst disperses in the isoprene monomer of low temperature, high catalytic efficiency, and catalytic activity is high, meanwhile, mobility is improved, is convenient for
Metering.
First reactor 2 use hot water temperature-controlling system, 18-20 DEG C of temperature control, preferably 20 DEG C, isoprene monomer and
Ziegler-Natta catalyst is different with being entered by feeding pipe into first reactor 2 in prepolymerization kettle 1 after pre-polymerization 6-8h
Pentadiene monomer carries out further polymerization reaction at 18-20 DEG C.
Second reactor 4-6 keeps 20 DEG C or so constant temperature using hot water temperature-controlling system, and mixture reaches in first reactor 1
It to after certain conversion ratio, connects second reactors (being 3 in Fig. 1) into continuous several, in each second reactor
The conversion ratio of mixture is different, and the conversion ratio highest in the rearmost second reactor of production system passes through
Detect anti-form-1 therein, the conversion ratio of 4- isoprene, it is determined whether buffer tank 7 will be put into and terminate reaction.When conversion ratio reaches
It marks, the anti-form-1 in the last one second reactor reacts although 4- polyisoprene is terminated into buffer tank 7, before list
Second reactor still can continue charging and be reacted, and realize continuous production, improve the throughput rate of product.
The anti-form-1 of fully reacting in buffer tank 6,4- polyisoprene enters the granulation of material extruder 7, in material recycle
On pipeline under the condensation of condenser, unreacted monomer is recycled by material recycle pipeline and is re-used.Wherein, material squeezes out
Machine 7 is twin-screw material extruder, improves granulation efficiency and product quality.
It is provided by the utility model to prepare anti-form-1, the continuous production system of 4- polyisoprene in addition to above-mentioned apparatus,
A set of control system can also be increased, each device is controlled by cpu controller, for example, control prepolymerization kettle 1, first reactor 2,
A second reactor 4, b second reactor 5, the inlet amount of c second reactor 6, load, temperature etc..User-friendly control
System.
Embodiment 2
As shown in Fig. 2, preparing anti-form-1, the continuous production of 4- polyisoprene for another kind provided by the utility model
The structural schematic diagram of system further includes centrifugation kettle 11, is centrifuged c the in the feed inlet connected graph of kettle 11 on the basis of embodiment 1
The discharge port of two reactors 6, centrifugation kettle 11 is respectively communicated with buffer tank 7 and material recycle pipeline.In this case, material recycle pipe
Condenser (not shown) is installed, wherein condenser is located between centrifugal blower 9 and centrifugation 11 communication port of kettle on line.?
In the utility model embodiment, description relevant to above-described embodiment can be mutually referring to not elaborating herein.The present embodiment mentions
The another kind of confession prepares anti-form-1, outside the advantage of the continuous production system of 4- polyisoprene, is centrifuged the addition of kettle 11, from
It can play the role of rapid preliminary removing solvent under the action of the heart, improve product quality.
Above the utility model embodiment does not constitute the restriction to scope of protection of the utility model.
Those skilled in the art are considering specification and practice here after the disclosure of utility model, will readily occur to practical
Novel other embodiments.The utility model is intended to cover any variations, uses, or adaptations of the utility model,
These variations, uses, or adaptations follow the general principle of the utility model and undocumented including the utility model
Common knowledge or conventional techniques in the art.The description and examples are only to be considered as illustrative, this is practical new
The true scope and spirit of type are pointed out by claim.
Claims (9)
1. a kind of prepare anti-form-1, the continuous production system of 4- polyisoprene, which is characterized in that including prepolymerization kettle, first
Reactor, delivery pump, several second reactors, buffer tank, material extruder, centrifugal blower and conveyer belt,
According to anti-form-1, the production mode reform of 4- polyisoprene, the prepolymerization kettle, first reactor, delivery pump, the second reaction
Device, buffer tank and material extruder are successively linked in sequence, wherein several second reactors are connected in series；
The prepolymerization kettle is connected to the discharge port of feeding line, the material of the material extruder with the feed inlet of first reactor
Recovery port is connected to the feed inlet of material recycle pipeline, is equipped with the centrifugal blower, the material on the feed recovery pipeline
The discharge port of recovery line is connected to the feed inlet of the feeding line；One end of the conveyer belt is located at the material extruder
Discharge outlet.
2. according to claim 1 prepare anti-form-1, the continuous production system of 4- polyisoprene, which is characterized in that
It further include centrifugation kettle, the feed inlet of the centrifugation kettle is connected to the second reactor, and the discharge port of the centrifugation kettle is respectively communicated with
The buffer tank and the material recycle pipeline.
3. according to claim 1 prepare anti-form-1, the continuous production system of 4- polyisoprene, which is characterized in that
The prepolymerization kettle use cold water temperature-controlling system, 0-10 DEG C of temperature control.
4. according to claim 1 prepare anti-form-1, the continuous production system of 4- polyisoprene, which is characterized in that
The first reactor use hot water temperature-controlling system, 18-20 DEG C of temperature control.
5. according to claim 1 prepare anti-form-1, the continuous production system of 4- polyisoprene, which is characterized in that
The second reactor use hot water temperature-controlling system, 20 DEG C of temperature control.
6. according to claim 2 prepare anti-form-1, the continuous production system of 4- polyisoprene, which is characterized in that
Condenser is installed on the material recycle pipeline, wherein the condenser is located at the centrifugal blower and the centrifugation kettle connects
Between port.
7. according to claim 1 prepare anti-form-1, the continuous production system of 4- polyisoprene, which is characterized in that
The material extruder is twin-screw material extruder.
8. according to claim 1 prepare anti-form-1, the continuous production system of 4- polyisoprene, which is characterized in that
The prepolymerization kettle is the prepolymerization kettle of isoprene monomer and Ziegler-Natta catalyst.
9. according to claim 1-8 prepare anti-form-1, the continuous production system of 4- polyisoprene is special
Sign is that the quantity of the second reactor is 3-5.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113117617A (en) * | 2019-12-31 | 2021-07-16 | 财团法人工业技术研究院 | Continuous preparation device and method for acrylate compound |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113117617A (en) * | 2019-12-31 | 2021-07-16 | 财团法人工业技术研究院 | Continuous preparation device and method for acrylate compound |
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Effective date of registration: 20190128 Address after: 266600 Jiangshan Town, Laixi City, Qingdao City, Shandong Province Patentee after: Qingdao Junxiang Technology Co., Ltd. Address before: 266000 Guren Road North, Jiangshan Town, Laixi City, Qingdao City, Shandong Province Patentee before: Qingdao Jun Xiang new material Co. Ltd. |