CN106084212B - Continuously prepare the device of high-purity meta-aramid resin solution - Google Patents
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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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/32—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from aromatic diamines and aromatic dicarboxylic acids with both amino and carboxylic groups aromatically bound
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/02—Preparation of spinning solutions
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Abstract
The present invention relates to a kind of device for continuously preparing high-purity meta-aramid resin solution, including solvent transmission measurement system, m-phenylene diamine (MPD) transmission measurement system, m-phthaloyl chloride transmission measurement system, hybrid system and two-stage tandem polymer reactor etc., single order, different Combined type stirrers is respectively configured in second order polymer reactor, single order, second order polymer reactor uses bottom feed, the mode of upper lateral part discharging, avoid using equipment such as double-screw reactors of the prior art, realize reduction equipment investment cost, the effect in stable reaction time, and prepared meta-aramid resin solution viscous consistency, purity is high.
Description
Technical field
Belong to chemical machinery field, be to be related to polymeric material production equipment.It is exactly to be related to one kind to be applied to industry
Change the device for continuously preparing high-purity meta-aramid resin solution.
Background technology
Meta-aramid scientific name is poly, and the country is also referred to as aramid fiber 1313, and meta-aramid is current height
One of kind with fastest developing speed in performance fibers, it is a kind of tec fiber of high comprehensive performance, in protective clothes, honeycomb knot
Structure material, electrically-insulating paper and high-temperature-resistant filtering material etc. have extensive purposes, be Aero-Space, electronics, communication, environmental protection,
The important foundation material in the fields such as petrochemical industry, ocean development and high-performance apparel.
The meta-aramid condensate of high quality is to prepare high quality meta-aramid fibers and the important prerequisite of insulating paper, this hair
Bright described meta-aramid condensate chemical constitution is as follows.
The method and device situation that continuous polymerization at present prepares poly is as follows.
Chinese patent CN102797048A disclose it is a kind of it is continuous prepare it is poly- between phenyl-diformyl diamines spinning solution dress
Put and preparation method, it is characterised in that：Polar solvent, m-phenylene diamine (MPD) melt and m-phthaloyl chloride melt are matched simultaneously as specific
It is added continuously in two series connection twin-screw polymer reactors, diamines spinning solution between phenyl-diformyl between continuous preparation is poly-.Using
The mixing that this method can meet to polymerize different phase is requested for conciliation the difficult problem that certainly radiates, and continuous production mode prepares poly-
Mpd-i polymer molecule amount narrowly distributing, logarithmic viscosity number are stable, and in more than 2.0dl/g, can meet
The continuous-stable spinning requirement of Fanglun 1313；Because caused HCl is stainless to commonly using in course of reaction
Steel（Such as 304,316 stainless steels）Seriously corroded, in order to reduce the corrosion to equipment, made using Hastelloy or titanium alloy double
Screw rod polymer reactor is preferred, and difficulty of processing of twin-screw polymer reactor itself is high, complicated, and production cost is high, causes to adopt
The twin-screw polymer reactor price made of Hastelloy or titanium alloy is sufficiently expensive, and construction investment is big.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of moderate cost, and it can continuously prepare high-purity meta-aramid resin
The device of solution.
In order to solve the above-mentioned technical problem, a kind of moderate cost provided by the invention continuously prepares high-purity meta-aramid tree
The device of lipoprotein solution, including solvent transmission measurement system, m-phenylene diamine (MPD) transmission measurement system, m-phthaloyl chloride metering delivery system
System, hybrid system, polymerization reaction system etc..Solvent transmission measurement system includes solvent holding vessel, solvent delivery pump and solvent matter
Measure flowmeter；M-phenylene diamine (MPD) transmission measurement system includes m-phenylene diamine (MPD) holding vessel, m-phenylene diamine (MPD) delivery pump and m-phenylene diamine (MPD) quality
Flowmeter；M-phthaloyl chloride transmission measurement system include m-phthaloyl chloride holding vessel, m-phthaloyl chloride delivery pump and
Phthalyl chloride mass flowmenter；Hybrid system is made up of static mixer, heat exchanger and mixing head；Polymerization reaction system is by one
Rank polymer reactor, second order polymer reactor are composed in series.The annexation of equipment is：The delivery outlet and solvent of solvent holding vessel
The input port of delivery pump is connected, and the delivery outlet of solvent delivery pump is connected with the input port of solvent quality flowmeter, solvent matter
The delivery outlet of amount flowmeter is connected with an input port of static mixer；The delivery outlet of m-phenylene diamine (MPD) holding vessel and isophthalic two
The input port of amine delivery pump is connected, and the delivery outlet of m-phenylene diamine (MPD) delivery pump is connected with the input port of m-phenylene diamine (MPD) mass flowmenter
Connect, the delivery outlet of m-phenylene diamine (MPD) mass flowmenter is connected with another input port of static mixer；Static mixer it is defeated
Outlet is connected with the input port of heat exchanger, and the delivery outlet of heat exchanger is connected with mixing head input port；Isophthalic diformazan
The delivery outlet of acyl chlorides holding vessel is connected with the input port of m-phthaloyl chloride delivery pump, the output of m-phthaloyl chloride delivery pump
Mouth is connected with the input port of m-phthaloyl chloride mass flowmenter, and the delivery outlet of m-phthaloyl chloride mass flowmenter is with mixing
Another input port of head is connected；The delivery outlet of mixing head is connected with the input port of single order polymer reactor, single order polymerization
The delivery outlet of reactor is connected with the input port of resin solution delivery pump, and the delivery outlet of resin solution delivery pump polymerize with second order
The input port of reactor is connected, and the delivery outlet of second order polymer reactor is connected with the input port of resin solution holding vessel.
The input port of single order polymer reactor is arranged on the bottom of reactor, and delivery outlet is arranged on big topmost with paddle
Cause the sidepiece in same level line position；The input port of second order polymer reactor is arranged on the bottom of reactor, and delivery outlet is set
Put and the sidepiece of same level line position is topmost being generally in paddle.
Twin-screw reaction of the prior art is substituted using the polymer reactor with Combined type stirrer in apparatus of the present invention
Device, even if being made using the Hastelloy or titanium alloy of resistance to HCl corrosion, its cost is compared can be dropped significantly using double-screw reactor
It is low.
Polymer reactor also can use the cheap carbon steel of cost to make, and the place contacted with reaction medium uses enamel anticorrosion
Processing or plastic spraying preservative treatment, its cost are lower very than the double-screw reactor made using Hastelloy or titanium alloy
It is more.
Polymer reactor is fed using bottom, and the reactor side of substantially same level line position is in paddle upper end
Discharging, it can be ensured that the residence time in material polymerization reaction kettle is consistent, i.e. the reaction time is equal, polymer due to rod-climbing effect,
The high polymer of viscosity can be moved up along agitating shaft automatically, i.e., moved toward delivery outlet, be advantageous to prepare the polymerization of viscous consistency
Thing.
Brief description of the drawings
Below in conjunction with the accompanying drawings, the embodiment of the present invention is elaborated.
Fig. 1 is the schematic device of embodiment of the present invention.
Fig. 2 is single order polymer reactor structural representation of the present invention.
Fig. 3 is second order polymer reactor structural representation of the present invention.
Embodiment
The schematic device of embodiment of the present invention is as shown in Figure 1.Device includes solvent transmission measurement system, m-phenylene diamine (MPD)
Transmission measurement system, m-phthaloyl chloride transmission measurement system, hybrid system and polymerization reaction system.Solvent transmission measurement system
Include solvent holding vessel 1, solvent delivery pump 3 and solvent quality flowmeter 5；M-phenylene diamine (MPD) transmission measurement system includes m-phenylene diamine (MPD)
Holding vessel 2, m-phenylene diamine (MPD) delivery pump 4 and m-phenylene diamine (MPD) mass flowmenter 6；M-phthaloyl chloride transmission measurement system includes isophthalic
Dimethyl chloride holding vessel 9, m-phthaloyl chloride delivery pump 10 and m-phthaloyl chloride mass flowmenter 11；Hybrid system is by static state
Blender 7, heat exchanger 8 and mixing head 12 form；Polymerization reaction system is by single order polymer reactor 13, second order polymer reactor 15
It is composed in series.
Their annexation is：The delivery outlet of solvent holding vessel 1 is connected with the input port of solvent delivery pump 3, solvent
The delivery outlet of delivery pump 3 is connected with the input port of solvent quality flowmeter 5, delivery outlet and the static state of solvent quality flowmeter 5
One input port of blender 7 is connected；The input port phase of the delivery outlet of m-phenylene diamine (MPD) holding vessel 2 and m-phenylene diamine (MPD) delivery pump 4
Connection, the delivery outlet of m-phenylene diamine (MPD) delivery pump 4 are connected with the input port of m-phenylene diamine (MPD) mass flowmenter 6, m-phenylene diamine (MPD) quality
The delivery outlet of flowmeter 6 is connected with another input port of static mixer 7；The delivery outlet of static mixer 7 and heat exchanger 8
Input port be connected, the delivery outlet of heat exchanger 8 is connected with an input port of mixing head 12；M-phthaloyl chloride holding vessel
9 delivery outlet is connected with the input port of m-phthaloyl chloride delivery pump 10, m-phthaloyl chloride delivery pump（10）Delivery outlet
It is connected with the input port of m-phthaloyl chloride mass flowmenter 11, the delivery outlet of m-phthaloyl chloride mass flowmenter 11 is with mixing
Another input port of syncephalon 12 is connected；The delivery outlet of mixing head 12 is connected with the input port of single order polymer reactor 13,
The delivery outlet of single order polymer reactor 13 is connected with the input port of resin solution delivery pump 14, resin solution delivery pump 14 it is defeated
Outlet is connected with the input port of second order polymer reactor 15, delivery outlet and the resin solution holding vessel of second order polymer reactor 15
16 input port is connected.
Fig. 2 is the structural representation of single order polymer reactor 13, and input port 38 is arranged on the bottom of reactor, delivery outlet 36
It is arranged on the sidepiece that same level line position is generally in the top of frame type stirring leaf 33；The periphery of single order polymer reactor 13 is set
Cooling jacket or cooling coil 37 are put, the purpose of the internal cooling of single order polymer reactor 13 is realized by external refrigerant circulation.One
The agitator of rank polymer reactor 13 is Combined type stirrer, and paddle is tiltedly starched in agitator bottom using at least 2 layer of four 45 ° of leaf
35, tiltedly starch the height of paddle（L1）For reactor inside diameter（D1）1~5 times；Using double helical-ribbon type paddles in the middle part of agitator
34, double ribbon paddle height（L2）For reactor inside diameter（D1）10~15 times；Agitator top uses frame type stirring leaf 33,
Frame type stirring leaf height（L3）For reactor inside diameter（D1）1~4 times.Stirring motor 31 can be ordinary three-phase synchronous,
Preferably explosion-proof threephase asynchronous machine, optimal is explosion-proof three-phase variable frequency motor.The bottom of agitating shaft 32 can set up fixing device, have
Beneficial to the vibrations reduced in stirring operation process.Single order polymer reactor 13 and agitator can use Hastelloy or titanium alloy
Make, in order to reduce equipment manufacturing cost, can also be made using carbon steel or common stainless steel, the ground contacted with medium
Fang Caiyong surfaces enamel or anticorrosion with painting plastics.
Fig. 3 is the structural representation of second order polymer reactor 15, and input port 48 is arranged on the bottom of reactor, delivery outlet 46
It is arranged on the sidepiece that same level line position is generally in double the tops of ribbon paddle 44；The periphery of second order polymer reactor 15
Heat exchange jacket or heat exchange coil 47 are set, by external refrigerant or heating agent circulation realize the internal cooling of second order polymer reactor 15 or
The purpose of heating.The agitator of second order polymer reactor 15 is Combined type stirrer, and agitator bottom uses anchor formula paddle 45,
The height of anchor formula paddle 45（L4）For reactor inside diameter（D2）0.5~1.5 times；Stirred using double helical-ribbon types on agitator top
Leaf 44, double height of helical-ribbon type paddle 44（L5）For reactor inside diameter（D2）10~20 times；In double helical-ribbon type paddles 44
Inside setting single-screw paddle 43, the height of single-screw paddle 43 are identical with the height of double helical-ribbon type paddles 44.
Stirring motor 41 can be ordinary three-phase synchronous, and preferably explosion-proof threephase asynchronous machine is optimal for explosion-proof three phase variable frequency electricity
Machine.The bottom of agitating shaft 42 can set up fixing device, advantageously reduce the vibrations in stirring operation process.Second order polymer reactor
15 and agitator Hastelloy or titanium alloy can be used to make, in order to reduce equipment manufacturing cost, carbon can also be used
Steel or common stainless steel make, and the place contacted with medium uses surface enamel or anticorrosion with painting plastics.
Embodiment 1.
By solid m-phenylene diamine (MPD)（MPD）Raw material heats at a temperature of 80 DEG C and is melt into the liquid molten form with mobility,
It is placed in standby in m-phenylene diamine (MPD) holding vessel 2；Solid m-phthaloyl chloride（IPC）Raw material heats at a temperature of 60 DEG C and is melt into tool
There is the liquid molten form of mobility, be placed in standby in m-phthaloyl chloride holding vessel 9；N in solvent holding vessel 1, N- diformazan
Yl acetamide (DMAc) moisture content is 80ppm, with per hour after solvent delivery pump 3 and solvent quality flowmeter 5 measure
The flow velocity of 401.69 mass parts enters from an input port of static mixer 7；M-phenylene diamine (MPD) in m-phenylene diamine (MPD) holding vessel 2
（MPD）Melt is after m-phenylene diamine (MPD) delivery pump 4 and m-phenylene diamine (MPD) mass flowmenter 6 measure with the stream of 27.29 mass parts per hour
Speed enters from another input port of static mixer 7；The m-phenylenediamine solution come out from static mixer 7 passes through heat exchanger 8
（From spiral heat exchanger）Temperature is down to -15 DEG C afterwards；M-phthaloyl chloride in m-phthaloyl chloride holding vessel 9（IPC）
Melt is after m-phthaloyl chloride delivery pump 10 and m-phthaloyl chloride mass flowmenter 11 measure with 51.23 mass parts per hour
Flow velocity and m-phenylenediamine solution simultaneously into after mixing in mixing head 12, enter from the bottom input port of single order polymer reactor 13
Enter, for the control of equipped at outlet port reaction temperature at -15 DEG C, 10 minutes reaction time, the periphery of single order polymer reactor 13 sets cooler pan
Pipe, agitator are Combined type stirrer, and using 2 layer of four 45 ° of leaf, tiltedly slurry paddle, the height for tiltedly starching paddle are for agitator bottom
1 times of reactor inside diameter, agitator middle part are highly reactor inside diameter using double helical-ribbon type paddles, double helical-ribbon type paddles
10 times, agitator top uses frame type stirring leaf, and frame type stirring leaf is highly 1 times of reactor inside diameter.Single order polymer reactor
Gained resin solution enters in the presence of resin solution delivery pump 14 from the input port of second order polymer reactor 15 in 13, output
At 30 DEG C, 10 minutes reaction time, the periphery of second order polymer reactor 15 sets cooling coil, agitator for reaction temperature control at mouthful
For Combined type stirrer, agitator bottom uses anchor formula paddle, and the height of anchor formula paddle is 0.5 times of reactor inside diameter,
Agitator top is using double helical-ribbon type paddles, and double helical-ribbon type paddles are highly 10 times of reactor inside diameter, in double helical-ribbon types
Setting single-screw paddle inside paddle, single-screw paddle height are highly identical with double helical-ribbon type paddles.Second order
Gained meta-aramid resin solution exits into resin solution holding vessel 16 from reactor upper lateral part in polymer reactor 15.
Sampled chemical examination detects, the quality point of poly resin in gained meta-aramid resin solution
Number is 12.5%, logarithmic viscosity number 1.85dl/g, ash content 0.05%, iron ion content 7.87ppm, calcium ion content
13.22ppm。
Embodiment 2.
By solid m-phenylene diamine (MPD)（MPD）Raw material heats at a temperature of 80 DEG C and is melt into the liquid molten form with mobility,
It is placed in standby in m-phenylene diamine (MPD) holding vessel 2；Solid m-phthaloyl chloride（IPC）Raw material heats at a temperature of 60 DEG C and is melt into tool
There is the liquid molten form of mobility, be placed in standby in m-phthaloyl chloride holding vessel 9；N in solvent holding vessel 1, N- diformazan
Yl acetamide (DMAc) moisture content is 120ppm, with per hour after solvent delivery pump 3 and solvent quality flowmeter 5 measure
The flow velocity of 322.44 mass parts enters from an input port of static mixer 7；M-phenylene diamine (MPD) in m-phenylene diamine (MPD) holding vessel 2
（MPD）Melt is after m-phenylene diamine (MPD) delivery pump 4 and m-phenylene diamine (MPD) mass flowmenter 6 measure with the stream of 27.29 mass parts per hour
Speed enters from another input port of static mixer 7；The m-phenylenediamine solution come out from static mixer 7 passes through heat exchanger 8
（From spiral heat exchanger）Temperature is down to -10 DEG C afterwards；M-phthaloyl chloride in m-phthaloyl chloride holding vessel 9（IPC）
Melt is after m-phthaloyl chloride delivery pump 10 and m-phthaloyl chloride mass flowmenter 11 measure with 51.23 mass parts per hour
Flow velocity and m-phenylenediamine solution simultaneously into after mixing in mixing head 12, enter from the bottom input port of single order polymer reactor 13
Entering, for the control of equipped at outlet port reaction temperature at 0 DEG C, 20 minutes reaction time, the periphery of single order polymer reactor 13 sets cooling coil,
Agitator is Combined type stirrer, and paddle is tiltedly starched in agitator bottom using 3 layer of four 45 ° of leaf, and the height for tiltedly starching paddle is anti-
Answer device internal diameter 2 times, using double helical-ribbon type paddles, double helical-ribbon type paddles are highly the 12 of reactor inside diameter at agitator middle part
Times, agitator top uses frame type stirring leaf, and frame type stirring leaf is highly 2 times of reactor inside diameter.Single order polymer reactor 13
Middle gained resin solution enters in the presence of resin solution delivery pump 14 from the input port of second order polymer reactor 15, delivery outlet
Locate reaction temperature control at 40 DEG C, 30 minutes reaction time, the periphery of second order polymer reactor 15 sets cooling coil, and agitator is
Combined type stirrer, agitator bottom use anchor formula paddle, and the height of anchor formula paddle is 1 times of reactor inside diameter, stirring
Device top is highly 15 times of reactor inside diameter using double helical-ribbon type paddles, double helical-ribbon type paddles, is stirred in double helical-ribbon types
Interlobar part setting single-screw paddle, single-screw paddle height are highly identical with double helical-ribbon type paddles.Second order polymerize
Gained meta-aramid resin solution exits into resin solution holding vessel 16 from reactor upper lateral part in reactor 15.
Sampled chemical examination detects, the quality point of poly resin in gained meta-aramid resin solution
Number is 15%, logarithmic viscosity number 1.97dl/g, ash content 0.05%, iron ion content 7.93ppm, calcium ion content
13.34ppm。
Embodiment 3.
By solid m-phenylene diamine (MPD)（MPD）Raw material heats at a temperature of 80 DEG C and is melt into the liquid molten form with mobility,
It is placed in standby in m-phenylene diamine (MPD) holding vessel 2；Solid m-phthaloyl chloride（IPC）Raw material heats at a temperature of 60 DEG C and is melt into tool
There is the liquid molten form of mobility, be placed in standby in m-phthaloyl chloride holding vessel 9；N in solvent holding vessel 1, N- diformazan
Yl acetamide (DMAc) moisture content is 150ppm, with per hour after solvent delivery pump 3 and solvent quality flowmeter 5 measure
The flow velocity of 227.11 mass parts enters from an input port of static mixer 7；M-phenylene diamine (MPD) in m-phenylene diamine (MPD) holding vessel 2
（MPD）Melt is after m-phenylene diamine (MPD) delivery pump 4 and m-phenylene diamine (MPD) mass flowmenter 6 measure with the stream of 27.29 mass parts per hour
Speed enters from another input port of static mixer 7；The m-phenylenediamine solution come out from static mixer 7 passes through heat exchanger 8
（From spiral heat exchanger）Temperature is down to 0 DEG C afterwards；M-phthaloyl chloride in m-phthaloyl chloride holding vessel 9（IPC）It is molten
Body is after m-phthaloyl chloride delivery pump 10 and m-phthaloyl chloride mass flowmenter 11 measure with 51.23 mass parts per hour
Flow velocity and m-phenylenediamine solution are simultaneously into after mix in mixing head 12, from the entrance of the bottom input port of single order polymer reactor 13,
For the control of equipped at outlet port reaction temperature at 20 DEG C, 30 minutes reaction time, the periphery of single order polymer reactor 13 sets cooling coil, stirs
It is Combined type stirrer to mix device, and using 4 layer of four 45 ° of leaf, tiltedly slurry paddle, the height for tiltedly starching paddle are reaction for agitator bottom
5 times of device internal diameter, using double helical-ribbon type paddles, double helical-ribbon type paddles are highly the 15 of reactor inside diameter at agitator middle part
Times, agitator top uses frame type stirring leaf, and frame type stirring leaf is highly 4 times of reactor inside diameter.Single order polymer reactor 13
Middle gained resin solution enters in the presence of resin solution delivery pump 14 from the input port of second order polymer reactor 15, delivery outlet
Locate reaction temperature control at 60 DEG C, 50 minutes reaction time, the periphery of second order polymer reactor 15 sets cooling coil, and agitator is
Combined type stirrer, agitator bottom use anchor formula paddle, and the height of anchor formula paddle is 1.5 times of reactor inside diameter, is stirred
It is highly 20 times of reactor inside diameter that device top, which is mixed, using double helical-ribbon type paddles, double helical-ribbon type paddles, is stirred in double helical-ribbon types
Interlobar part setting single-screw paddle is mixed, single-screw paddle height is highly identical with double helical-ribbon type paddles.Second order gathers
Close gained meta-aramid resin solution in reactor 15 and exit into resin solution holding vessel 16 from reactor upper lateral part.
Sampled chemical examination detects, the quality point of poly resin in gained meta-aramid resin solution
Number is 19.7%, logarithmic viscosity number 1.82dl/g, ash content 0.05%, iron ion content 8.53ppm, calcium ion content
12.24ppm。
Claims (3)
1. a kind of device for continuously preparing high-purity meta-aramid resin solution, it is characterized in that：Solvent holding vessel（1）Delivery outlet with
Solvent delivery pump（3）Input port be connected, solvent delivery pump（3）Delivery outlet and solvent quality flowmeter（5）Input port
It is connected, solvent quality flowmeter（5）Delivery outlet and static mixer（7）An input port be connected；M-phenylene diamine (MPD) stores up
Deposit tank（2）Delivery outlet and m-phenylene diamine (MPD) delivery pump（4）Input port be connected, m-phenylene diamine (MPD) delivery pump（4）Delivery outlet with
M-phenylene diamine (MPD) mass flowmenter（6）Input port be connected, m-phenylene diamine (MPD) mass flowmenter（6）Delivery outlet and static mixer
（7）Another input port be connected；Static mixer（7）Delivery outlet and heat exchanger（8）Input port be connected, heat exchanger
（8）Delivery outlet and mixing head（12）An input port be connected；M-phthaloyl chloride holding vessel（9）Delivery outlet and isophthalic
Dimethyl chloride delivery pump（10）Input port be connected, m-phthaloyl chloride delivery pump（10）Delivery outlet and m-phthaloyl chloride
Mass flowmenter（11）Input port be connected, m-phthaloyl chloride mass flowmenter（11）Delivery outlet and mixing head（12）'s
Another input port is connected；Mixing head（12）Delivery outlet and single order polymer reactor（13）Input port be connected, single order
Polymer reactor（13）Delivery outlet and resin solution delivery pump（14）Input port be connected, resin solution delivery pump（14）'s
Delivery outlet and second order polymer reactor（15）Input port be connected, second order polymer reactor（15）Delivery outlet and resin solution
Holding vessel（16）Input port be connected；Single order polymer reactor（13）Input port be arranged on the bottom of reactor, delivery outlet
It is arranged on the sidepiece that same level line position is topmost generally in paddle；Second order polymer reactor（15）Input port set
Put in the bottom of reactor, delivery outlet is arranged on the sidepiece that same level line position is topmost generally in paddle；It is described
Single order polymer reactor（13）Agitator be Combined type stirrer, agitator bottom is using the tiltedly slurry stirring of at least 2 layer of four 45 ° of leaf
Leaf, the height for tiltedly starching paddle is 1~5 times of reactor inside diameter；Using double helical-ribbon type paddles, double helical-ribbon types in the middle part of agitator
Paddle is highly 10~15 times of reactor inside diameter；Agitator top uses frame type stirring leaf, and frame type stirring leaf is highly anti-
Answer device internal diameter 1~4 times；The second order polymer reactor（15）Agitator be Combined type stirrer, agitator bottom uses
Anchor formula paddle, the height of anchor formula paddle are 0.5~1.5 times of reactor inside diameter；Agitator top is stirred using double helical-ribbon types
Leaf is mixed, double helical-ribbon type paddles are highly 10~20 times of reactor inside diameter；Single screw rod is set inside double helical-ribbon type paddles
Formula paddle, single-screw paddle height are highly identical with double helical-ribbon type paddles.
2. a kind of device for continuously preparing high-purity meta-aramid resin solution according to claim 1, it is characterized in that：It is described
Single order polymer reactor（13）Periphery sets cooling jacket or cooling coil.
3. a kind of device for continuously preparing high-purity meta-aramid resin solution according to claim 1, it is characterized in that：It is described
Second order polymer reactor（15）Periphery sets heat exchange jacket or heat exchange coil.
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| CN110684192B (en) * | 2019-11-07 | 2021-09-03 | 蓝星（成都）新材料有限公司 | P-phenylenediamine dissolving system and method for continuous polymerization of aramid fibers 1414 |
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| CN202849301U (en) * | 2012-10-03 | 2013-04-03 | 上海会博新材料科技有限公司 | Continuous production device of polyphenylene terephthalamide resins |
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| CN202849301U (en) * | 2012-10-03 | 2013-04-03 | 上海会博新材料科技有限公司 | Continuous production device of polyphenylene terephthalamide resins |
| CN204079857U (en) * | 2014-08-27 | 2015-01-07 | 扬州惠通化工技术有限公司 | Nylon 66 continuous polymerization reaction unit |
| CN206033645U (en) * | 2016-08-12 | 2017-03-22 | 上海会博新材料科技有限公司 | Prepare device of high -purity meta -position aramid resin solution in succession |
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