CN106732234A - A kind of parallel polymerization kettle - Google Patents
A kind of parallel polymerization kettle Download PDFInfo
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- CN106732234A CN106732234A CN201710026489.3A CN201710026489A CN106732234A CN 106732234 A CN106732234 A CN 106732234A CN 201710026489 A CN201710026489 A CN 201710026489A CN 106732234 A CN106732234 A CN 106732234A
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- reactor
- parallel polymerization
- frame
- seat
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- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 51
- 230000003028 elevating effect Effects 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 44
- 238000002474 experimental method Methods 0.000 abstract description 14
- 239000002994 raw material Substances 0.000 description 17
- 239000004952 Polyamide Substances 0.000 description 15
- 229920002647 polyamide Polymers 0.000 description 15
- 125000003277 amino group Chemical group 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 239000000654 additive Substances 0.000 description 9
- 230000000996 additive effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 239000000376 reactant Substances 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 230000007717 exclusion Effects 0.000 description 3
- 230000000379 polymerizing effect Effects 0.000 description 3
- 235000011037 adipic acid Nutrition 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- KJOMYNHMBRNCNY-UHFFFAOYSA-N pentane-1,1-diamine Chemical compound CCCCC(N)N KJOMYNHMBRNCNY-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0046—Sequential or parallel reactions, e.g. for the synthesis of polypeptides or polynucleotides; Apparatus and devices for combinatorial chemistry or for making molecular arrays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/32—Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
- B01J19/325—Attachment devices therefor, e.g. hooks, consoles, brackets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00277—Apparatus
- B01J2219/00279—Features relating to reactor vessels
- B01J2219/00306—Reactor vessels in a multiple arrangement
- B01J2219/00308—Reactor vessels in a multiple arrangement interchangeably mounted in racks or blocks
- B01J2219/0031—Reactor vessels in a multiple arrangement interchangeably mounted in racks or blocks the racks or blocks being mounted in stacked arrangements
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Polyamides (AREA)
Abstract
The invention discloses a kind of parallel polymerization kettle, it includes：Kettle and chuck, the chuck are arranged on the outer wall of the kettle, and described parallel polymerization kettle also includes a reactor frame, and the reactor frame is located in the kettle.Parallel polymerization kettle of the invention can carry out the parallel test of different condition in same batch, and the test period is greatly reduced, and improve experiment precision.
Description
Technical field
The invention discloses a kind of polymeric kettle, more particularly to a kind of parallel polymerization kettle.
Background technology
Polymeric kettle is the capital equipment for preparing macromolecular compound, usually vertical type cylinder shape autoclave.In the prior art,
Polymeric kettle is typically made up of kettle, chuck, agitator, transmission device, gland seal device, supporting etc..Chuck is normally at polymeric kettle
Kettle body outer wall on, be heated or cooled for being passed through steam or cooling water.For the needs that are polymerized, typically can also be in polymerization
Agitator is set in kettle, agitator is driven by motor and transmission device, stirring is implemented in the course of the polymerization process.Polymeric kettle it is poly-
Conjunction can be produced with one-pot gap, it is also possible to multi-floating bodies is continuously produced.Polymerization reactant enters next by a bottom for kettle
The top of individual kettle, equipped with instrument and feed inlet and outlet etc. such as temperature, pressure on kettle.
Existing polymeric kettle is to include a kettle body, and polymerization technique is completed in kettle body, to carry out parallel test, is then needed
To carry out in batches, devote a tremendous amount of time, and to test precision can not hold completely, cause scientific research personnel in reality
During testing, it has to repeat experiment even tens of times for several times, extend experimental period, influence research and development progress, increase experimentation cost.
It can be seen that：Existing polymeric kettle is not particularly suited for optimizing using parallel test the operation of reaction condition.The problems demand is solved.
The content of the invention
The present invention can not adjust polymerization parameter to solve polymeric kettle in the prior art under an aggregation test so that flat
Row experiment can not be smoothed out, so as to waste a large amount of repetition times and increase the defect of experimentation cost, there is provided a kind of parallel polymerization
Kettle.Parallel polymerization kettle of the invention can carry out the parallel test of different condition in same batch, and experiment week is greatly reduced
Phase, improve experiment precision.
The present invention provides a kind of parallel polymerization kettle, and the parallel polymerization kettle includes：Kettle and chuck, the chuck are arranged at
On the outer wall of the kettle；Described parallel polymerization kettle also includes a reactor frame, and the reactor frame is located in the kettle.
One of the invention preferred technical scheme, the kettle includes kettle cover and kettle body.
One of the invention preferred technical scheme, the shape of the inwall of the kettle is any, can be up and down with wide
Cylinder, or truncated cone-shaped, the internal diameter of the truncated cone-shaped is gradually decreased from top to bottom.
One of the invention preferred technical scheme, the kettle cover is provided with gas feed and gas vent.
One of the invention preferred technical scheme, the reactor sets up the bottom for being placed in the kettle.
One of the invention preferred technical scheme, the reactor frame is fixed on the bottom of the kettle, the fixation
Mode, can be this area usual manner, for example：Can be integrally formed with the kettle, or, the kettle can be welded in
The bottom of body.
One of the invention preferred technical scheme, the reactor frame can also be arranged to movable, with described kettle
The bottom of body is not fixed, and can be separated with the bottom of the kettle, i.e.,：Polymeric kettle is placed in the bottom of reactor, reaction knot when reacting
Shu Hou, can remove, and be easy to cleaning etc..One of them preferred technical scheme, the reactor frame can be placed directly in institute
State bottom.Or, one of them preferred technical scheme, the reactor frame is connected with an elevating lever；The elevating lever with set
The transmission device connection being placed on the kettle cover, the transmission device controls the liter of the reactor frame by the elevating lever
Drop.The elevating lever is used to take out or place the reactor frame.The reactor frame is excellent with the connected mode of the elevating lever
Elect welding, riveting or bolt and nut connection as.Wherein, it is furthermore preferred that the elevating lever passes through bolt spiral shell with the reactor frame
Mother connects, and the connected mode is：A vertical through hole is provided with the reactor frame, for penetrating for the elevating lever, institute
Bolt and nut is stated positioned at the bottom of the elevating lever, for the fixation of the elevating lever and the reactor frame.The elevating lever
Length be：Ensure the reactor frame move downward contacted with the bottom it is steady after, the elevating lever can also continue to decline
Certain distance, or, when needing to take out reactor frame, the elevating lever rises a segment distance first, then drives the reaction
Device rises, and the distance is preferably 1-10cm；So, it is ensured that between elevating lever and reactor frame, there is certain connection flexibility,
It is not complete stuck contact, the serious forgiveness in whole parallel polymerization kettle preparation process can be improved.
The length of the elevating lever is：1.001-1.15 times of elevating lever full-length；The full-length is the liter
Drop bar is connected required length with reactor seat according to this area routine connected mode.
One of the invention preferred technical scheme, is provided with reactor seat in the reactor frame.The reactor seat is used
In placement experimental facilities, such as beaker, flask or test tube etc..The reactor seat can be arranged to arbitrary shape, in order to ensure
Experimental facilities is fixed in reaction seat, and the reaction seat can accordingly be set according to the shape of beaker, flask or test tube
Put, as long as experimental facilities can be fixed.
One of the invention preferred technical scheme, the quantity of the reactor seat is more than one, and preferably 2-200 is individual,
More preferably 6-100, most preferably 10-60.Diameter preferred 0.1-40cm, the more preferably 1-25cm of reactor seat, it is optimal
Select 1-15cm.The highly preferred 5-30cm, more preferably 8-20cm of the reactor seat.
One of the invention preferred technical scheme, there is no particular limitation for the size and dimension of the reactor frame, only
Otherwise the carrying out of reaction is influenceed, and the reactor frame can be fixed on the bottom.In general, the reactor
Frame can be configured according to the size and dimension of the kettle body, the size and shape of the scaled down of preferably described kettle body
Shape.
It was found by the inventors of the present invention that by adding a reactor for containing multiple reactor seats in polymeric kettle
Frame, can carry out parallel test in polymeric kettle.For example, being added the addition of different additive or Different adding amount simultaneously
The parallel test of agent, or differential responses raw material or reaction raw materials proportioning parallel test etc..
In further research, inventor has found：The condition control of these parallel tests is not accurate enough, for example：In polymerization
In reaction, the gas raw material of the evaporation of raw material, evaporation may be caused to be pooled at the kettle cover of polymeric kettle due to high temperature, then it is condensed
May may proceed to it is random return to reactor, causing the amount of raw material in reactor has fluctuation, and inventor enters again on this basis
Go further improvement, obtained superior technique scheme, realize superior technique effect.
One of the invention preferred technical scheme, parallel polymerization kettle of the invention also includes reactor cap.The reaction
Device lid is arranged at the top of the reactor frame.
The contact surface of the reactor cap and the reactor frame, positioned at the upper surface of the reactor frame, or, it is located at
In the reactor seat；As long as the effect for keeping each reactor independence can be played.The reactor cap is used for
It is placed in during reaction on the reactor of reactor seat, prevents the evaporation/distillation of raw material or reactant in reactor etc., so as to
The independence of the reactor in each reactor seat is kept, makes to be influenced each other between reactor.The number of the reactor cap
Amount can be more than one, preferably smaller than equal to the quantity of reactor seat, more preferably equal to the quantity of reactor seat.
The reactor cap is corresponded with reactor seat.
The shape of the reactor cap is any, as long as the reactor that can be shrouded during reactor seat is stated in residence.This hair
The preferred technical scheme of bright one, the reactor cap is the unidirectional blocking pipe of test tube shape.
One of the invention preferred technical scheme, the closed section of the reactor cap is provided with escaping pipe.Described outlet
Manage the discharge for the gas in reactor during the course of the reaction.The quantity of the escaping pipe is preferably more than 1, more preferably 2-
4.The diameter preferred 0.05-1cm, more preferably 0.4-0.8cm of the escaping pipe.The shape of the escaping pipe is any, as long as energy
The discharge of gas in reactor is enough realized, for example：The escaping pipe can be hollow cylinder, and hollow L-shaped is hollow
U-shaped, hollow Y shape, or hollow Z-shaped.Described escaping pipe can prevent the fluctuation of pressure in reactor.
Parallel polymerization kettle of the invention can carry out the parallel test of different condition in same batch, and examination is greatly reduced
The cycle is tested, while the precision of experiment is greatly improved.
Brief description of the drawings
Fig. 1 is the structural representation of the parallel polymerization kettle of one embodiment of the invention；
Fig. 2 is the structural representation of the parallel polymerization kettle of one embodiment of the invention；
Fig. 3 is the structural representation of the reactor frame of one embodiment of the invention；
Fig. 4 is the structural representation of the reactor cap of one embodiment of the invention；
Fig. 5 is the structural representation of the reactor cap of one embodiment of the invention；
Fig. 6 is the structural representation of the reactor cap of one embodiment of the invention；
Fig. 7 is the structural representation of the reactor cap of one embodiment of the invention；
Fig. 8 is the structural representation of the reactor cap of one embodiment of the invention；
Fig. 9 is the structural representation of the parallel polymerization kettle of one embodiment of the invention；
Figure 10 is the enlarged drawing in a portions of the parallel polymerization kettle of Fig. 9；
Figure 11 is the viscosity number and terminal amino group content of the polyamide for obtaining that is polymerized in the parallel polymerization kettle of one embodiment of the invention
Result figure；
Figure 12 is the viscosity number and terminal amino group content of the polyamide for obtaining that is polymerized in the parallel polymerization kettle of one embodiment of the invention
Result figure；
Figure 13 is be polymerized in existing the polymeric kettle viscosity number of the polyamide for obtaining and the result figure of terminal amino group content.
Specific embodiment
Embodying feature of present invention will describe in detail in the following description with the exemplary embodiment of advantage.It should be understood that
The present invention can have various changes in different implementation methods, and it is neither departed from the scope of the present invention, and theory therein
Bright and diagram is treated as purposes of discussion in itself, and is not used to the limitation present invention.
Embodiment 1
A kind of parallel polymerization kettle, as shown in figure 1, including：Kettle 1, the chuck 5 being arranged on the outer wall of kettle 1 and setting
In the reactor frame 6 of the bottom of kettle 1；
Kettle 1：The inwall of kettle 1 is cylinder, including kettle cover 2 and kettle body 3, and it is gentle that kettle cover 2 is provided with gas feed 41
Body outlet 42；
Reactor frame 6：As shown in figure 3, being provided with reactor seat 62 in reactor frame 6；Reactor seat 62 is used to place tests
Equipment, such as beaker, flask or test tube etc., it is also possible to place temp probe, are connected by temperature sensor, detect reactant
The temperature of system, its shape can accordingly be set according to the shape of beaker, flask or test tube；In the present embodiment, reactor seat
62 a diameter of 1cm, is highly 15cm；Reactor frame 6 is fixed on the bottom of kettle 1；
Parallel polymerization kettle of the invention, can carry out parallel test.For example, being added different additive or not simultaneously
With the additive of addition, or carry out the experiment of differential responses raw material or reaction raw materials proportioning simultaneously etc., examination is greatly reduced
Test the cycle, the precision of experiment is greatly improved.
Using the parallel polymerization kettle of the present embodiment, the parallel test of polymerizing polyamide is carried out, test method is as follows：Take
Pentanediamine 20.38g, adipic acid 29.20g and pure water 49.68g, the polyamide salt aqueous solution of configuration 50% are measured at 30 DEG C
Its pH value is 8.62.4g polyamide salt solutions are taken respectively to be put into 15cm teat glasses, are put into the reaction of above-mentioned parallel polymerization kettle
In device frame, it is polymerized under the conditions of interior temperature 275, vacuum -0.7atm, obtains polyamide 56.
The viscosity number and terminal amino group content of the polyamide 56 obtained according to the method for SOP, detection, are calculated the variance of viscosity number
For：12.9, the variance of terminal amino group content is：12.42.
The result of viscosity number and terminal amino group content is as shown in figure 11.
Embodiment 2
A kind of parallel polymerization kettle, as shown in Fig. 2 including：Kettle 1, the chuck 5 being arranged on the outer wall of kettle 1, it is arranged at
The reactor frame 6 and reactor cap 60 of the bottom of kettle 1；
Kettle 1：The inwall of kettle 1 is cylinder, including kettle cover 2 and kettle body 3, and it is gentle that kettle cover 2 is provided with gas feed 41
Body outlet 42；
Reactor frame 6：As shown in figure 3, being provided with 20 reactor seats 62 in reactor frame 6；Reactor seat 62 is used to place
Experimental facilities, such as beaker, flask or test tube etc., its shape can accordingly be set according to the shape of beaker, flask or test tube
Put；In the present embodiment, a diameter of 1cm of reactor seat 62, is highly 15cm；
Reactor cap 60：It is the unidirectional blocking pipe of test tube shape, the test tube for being placed in reactor seat 62 in reaction is prevented
Only evaporation/the distillation of invisible spectro raw material or reactant etc., to keep the independence of the reactor in each reactor seat, makes
Will not be influenced each other between reactor；The quantity of reactor cap 60 with reactor seat 62 quantity, reactor cap and the reaction
Device seat is corresponded；
Reactor cap 60 is arranged at the top of reactor frame 6, its contact surface with reactor frame 6, positioned at reactor frame 60
Upper surface, or, positioned at reactor seat 62 in, as long as can play keep each reactor independence effect.
Parallel polymerization kettle of the invention, can carry out parallel test.For example, being added different additive or not simultaneously
With the additive of addition, or carry out the experiment of differential responses raw material or reaction raw materials proportioning simultaneously etc., and can be very big
Exclusion external interference factor, the test period is greatly reduced, the precision of experiment is greatly improved.
Embodiment 3
A kind of parallel polymerization kettle, as shown in Fig. 2 including：Kettle 1, the chuck 5 being arranged on the outer wall of kettle 1, it is arranged at
The reactor frame 6 and reactor cap 60 of the bottom of kettle 1；
Kettle 1：The inwall of kettle 1 is cylinder, including kettle cover 2 and kettle body 3, and it is gentle that kettle cover 2 is provided with gas feed 41
Body outlet 42；
Reactor frame 6：As shown in figure 3, being provided with 20 reactor seats 62 in reactor frame 6；Reactor seat 62 is used to place
Experimental facilities, such as beaker, flask or test tube etc., its shape can accordingly be set according to the shape of beaker, flask or test tube
Put；In the present embodiment, a diameter of 1.5cm of reactor seat 62, is highly 12cm；
Reactor cap 60：It is the unidirectional blocking pipe of test tube shape, the test tube for being placed in reactor seat 62 in reaction is prevented
Only evaporation/the distillation of invisible spectro raw material or reactant etc., to keep the independence of the reactor in each reactor seat, makes
Will not be influenced each other between reactor；The quantity of reactor cap 60 with reactor seat 62 quantity, reactor cap and the reaction
Device seat is corresponded；
As Figure 4-8, the closed section of reactor cap 60 is provided with 1 escaping pipe 601, in test tube during the course of the reaction
Gas discharge；As shown in figure 4, escaping pipe 601 can be hollow cylindrical tube；As shown in figure 5, escaping pipe 601 can be
Hollow L-shaped, as shown in fig. 6, escaping pipe 601 can be hollow U-shaped, as shown in fig. 7, escaping pipe 601 can be hollow Y
Shape, as shown in figure 8, escaping pipe 601 can be hollow Z-shaped；For the gas exchanges in reactor during the course of the reaction；
Reactor cap 60 is arranged at the top of reactor frame 6, its contact surface with reactor frame 6, positioned at reactor frame 60
Upper surface, or, positioned at reactor seat 62 in, as long as can play keep each reactor independence effect.
Parallel polymerization kettle of the invention, can carry out parallel test.For example, being added different additive or not simultaneously
With the additive of addition, or carry out the experiment of differential responses raw material or reaction raw materials proportioning simultaneously etc., and can be very big
Exclusion external interference factor, the test period is greatly reduced, the precision of experiment is greatly improved.
Embodiment 4
A kind of parallel polymerization kettle, as shown in figure 9, including：Kettle 1, the chuck 5 being arranged on the outer wall of kettle 1, it is arranged at
The reactor frame 6 and reactor cap 60 of the bottom of kettle 1；
Kettle 1：The inwall of kettle 1 is cylinder, including kettle cover 2 and kettle body 3, and it is gentle that kettle cover 2 is provided with gas feed 41
Body outlet 42；
Reactor frame 6：As shown in figure 3, being provided with 20 reactor seats 62 in reactor frame 6；Reactor seat 62 is used to place
Experimental facilities, such as beaker, flask or test tube etc., its shape can accordingly be set according to the shape of beaker, flask or test tube
Put；In the present embodiment, a diameter of 2cm of reactor seat 62, is highly 18cm；
Reactor cap 60：It is the unidirectional blocking pipe of test tube shape, the test tube for being placed in reactor seat 62 in reaction is prevented
Only evaporation/the distillation of invisible spectro raw material or reactant etc., to keep the independence of the reactor in each reactor seat, makes
Will not be influenced each other between reactor；The quantity of reactor cap 60 with reactor seat 62 quantity, reactor cap and the reaction
Device seat is corresponded；
As Figure 4-8, the closed section of reactor cap 60 is provided with 1 escaping pipe 601, in test tube during the course of the reaction
Gas discharge；As shown in figure 4, escaping pipe 601 can be hollow cylindrical tube；As shown in figure 5, escaping pipe 601 can be
Hollow L-shaped, as shown in fig. 6, escaping pipe 601 can be hollow U-shaped, as shown in fig. 7, escaping pipe 601 can be hollow Y
Shape, as shown in figure 8, escaping pipe 601 can be hollow Z-shaped；For the gas exchanges in reactor during the course of the reaction；
Reactor cap 60 is arranged at the top of reactor frame 6, its contact surface with reactor frame 6, positioned at reactor frame 60
Upper surface, or, positioned at reactor seat 62 in, as long as can play keep each reactor independence effect；
Reactor frame 6 is arranged to movable, i.e.,：Reactor frame 6 is placed in the bottom of reactor, reaction knot when polymeric kettle reacts
Shu Hou, can remove, and be easy to cleaning；Reactor frame 6 is connected with an elevating lever 8, elevating lever 8 be arranged on the kettle cover 2
Transmission device is connected, and transmission device controls the lifting of reactor frame 6 by elevating lever 8, for taking-up or placing response device frame 6；
Reactor frame 6 is connected with elevating lever 8 by bolt and nut, and connected mode is：It is vertical one to be provided with reactor frame 6
Through hole, for penetrating for elevating lever 8, bolt and nut is located at the bottom of elevating lever 8, for consolidating for elevating lever 8 and reactor frame 6
Fixed, as shown in Figure 10, Figure 10 is the enlarged drawing of a parts of Fig. 9：The length of elevating lever is：Ensure reactor frame 6 move downward with
After bottom contact is steady, elevating lever 8 can also continue to decline certain distance (distance herein is indicated by an arrow in Fig. 10), or
Person, when needing to take out reactor frame 6, elevating lever 8 rises a segment distance first, and (distance herein uses arrow table in Fig. 10
Show), then drive reactor frame 6 to rise, the length of elevating lever 8 is：1.05 times of elevating lever full-length；Full-length is elevating lever
With reactor seat required length is connected according to conventional connected mode；So, it is ensured that between elevating lever and reactor frame, there is one
Fixed connection flexibility, is not complete stuck contact, can improve the serious forgiveness in whole parallel polymerization kettle preparation process；
Parallel polymerization kettle of the invention, can carry out parallel test.For example, being added different additive or not simultaneously
With the additive of addition, or carry out the experiment of differential responses raw material or reaction raw materials proportioning simultaneously etc., and can be very big
Exclusion external interference factor, the test period is greatly reduced, the precision of experiment is greatly improved.
Using the parallel polymerization kettle of the present embodiment, the parallel test of polymerizing polyamide is carried out, test method is as follows：Take
Pentanediamine 20.38g, adipic acid 29.20g and pure water 49.68g, the polyamide salt aqueous solution of configuration 50% are measured at 30 DEG C
Its pH value is 8.62.4g polyamide salt solutions are taken respectively to be put into 15cm teat glasses, are put into the reaction of above-mentioned parallel polymerization kettle
In device frame, it is polymerized under the conditions of interior temperature 275, vacuum -0.7atm, obtains polyamide 56.
The viscosity number and terminal amino group content of the polyamide 56 obtained according to the method for SOP, detection, are calculated the variance of viscosity number
For：3.84, the variance of terminal amino group content is：3.59.
The result of viscosity number and terminal amino group content is as shown in figure 12.
Comparative example 1
A kind of polymeric kettle, including the kettle with charging aperture and discharging opening, be arranged on the kettle periphery chuck, stirring
The parts such as device, axle envelope, transmission device, in the polymeric kettle, carry out the examination with the polymerizing polyamide of embodiment same polymeric condition
Test, carry out altogether 16 times, and according to the method for SOP, detect the viscosity number and terminal amino group content of the polyamide 56 for obtaining, be calculated viscous
Several variances are：27.45, the variance of terminal amino group content is：37.99.
The result of viscosity number and terminal amino group content is as shown in figure 13.
Claims (9)
1. a kind of parallel polymerization kettle, the parallel polymerization kettle includes：Kettle (1) and chuck (5), the chuck (5) are arranged at institute
State on the outer wall of kettle (1), it is characterised in that：Described parallel polymerization kettle also includes a reactor frame (6), the reactor frame
(6) in the kettle (1).
2. parallel polymerization kettle as claimed in claim 1, it is characterised in that：The kettle (1) includes kettle cover (2) and kettle body (3)；
And/or, the kettle cover (2) is provided with gas feed (41) and gas vent (42).
3. parallel polymerization kettle as claimed in claim 1, it is characterised in that：The reactor frame (6) is arranged at the kettle (1)
Bottom.
4. parallel polymerization kettle as claimed in claim 3, it is characterised in that：The reactor frame (6) is fixed on the kettle (1)
Bottom；
Preferably, the reactor frame (6) is integrally formed with the kettle (1), or, the reactor frame (6) be welded in it is described
The bottom of kettle (1).
5. parallel polymerization kettle as claimed in claim 3, it is characterised in that：The reactor (6) is not solid with the kettle (1)
It is fixed；
Preferably, the reactor frame (6) is connected with an elevating lever (8)；The elevating lever (8) be arranged at the kettle cover (2)
On transmission device connection, the lifting that the transmission device passes through the elevating lever (8) the control reactor frame (6).
6. the parallel polymerization kettle as described in claim any one of 1-5, it is characterised in that：It is provided with anti-in the reactor frame (6)
Answer device seat (62)；The quantity of reactor seat (62) is more than one, and preferably 2-200, more preferably 6-100 is individual, most preferably
10-60.
7. the parallel polymerization kettle as described in claim any one of 1-5, it is characterised in that：The parallel polymerization kettle also includes reaction
Device lid (60)；The reactor cap (60) is arranged at the top of the reactor frame (6).
8. parallel polymerization kettle as claimed in claim 7, it is characterised in that：The reactor cap (60) is unidirectional blocking pipe；Institute
State reactor cap (60) quantity be preferably smaller than equal to the reactor seat (62) quantity, more preferably equal to the reactor seat
(62) quantity.
9. parallel polymerization kettle as claimed in claim 7, it is characterised in that：The closed section of the reactor cap (60) is provided with outlet
Pipe, for the discharge of the gas in reactor during the course of the reaction；The quantity of the escaping pipe is preferably more than 1, more preferably
1-4；The shape of the escaping pipe can be hollow cylinder, hollow L-shaped, hollow U-shaped, hollow Y shape, or hollow
It is Z-shaped.
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