CN107983287A - resin polymerization pilot experiment system - Google Patents
resin polymerization pilot experiment system Download PDFInfo
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- CN107983287A CN107983287A CN201711356046.7A CN201711356046A CN107983287A CN 107983287 A CN107983287 A CN 107983287A CN 201711356046 A CN201711356046 A CN 201711356046A CN 107983287 A CN107983287 A CN 107983287A
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- temperature
- reaction kettle
- resin polymerization
- experiment system
- pilot experiment
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- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 34
- 239000011347 resin Substances 0.000 title claims abstract description 34
- 229920005989 resin Polymers 0.000 title claims abstract description 34
- 238000002474 experimental method Methods 0.000 title claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 76
- 238000009423 ventilation Methods 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000002826 coolant Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000005662 Paraffin oil Substances 0.000 claims description 3
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000013341 scale-up Methods 0.000 abstract 1
- 238000010792 warming Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 238000011020 pilot scale process Methods 0.000 description 4
- 229920002994 synthetic fiber Polymers 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000036541 health Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229960002668 sodium chloride Drugs 0.000 description 3
- 235000002639 sodium chloride Nutrition 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- -1 wherein Polymers 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
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- 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
- B01J19/0066—Stirrers
-
- 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
- B01J19/18—Stationary reactors having moving elements inside
-
- 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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- 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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/02—Feed or outlet devices; Feed or outlet control devices for feeding measured, i.e. prescribed quantities of reagents
-
- 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
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
-
- 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
- B01J2219/00002—Chemical plants
- B01J2219/00004—Scale aspects
- B01J2219/00009—Pilot-scale plants
-
- 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
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00054—Controlling or regulating the heat exchange system
- B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
- B01J2219/00058—Temperature measurement
- B01J2219/00063—Temperature measurement of the reactants
-
- 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
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00081—Tubes
-
- 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
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00092—Tubes
-
- 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
- B01J2219/18—Details relating to the spatial orientation of the reactor
- B01J2219/185—Details relating to the spatial orientation of the reactor vertical
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymerisation Methods In General (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The present invention provides a kind of resin polymerization pilot experiment system, it includes ventilation unit, reaction kettle, temperature control equipment and temperature-adjusting device；The reaction kettle is arranged on below the suction opening of the ventilation unit；The temperature control equipment and the temperature-adjusting device are connected with the reaction kettle.The resin polymerization pilot experiment system is suitable for the scale up test process of resin, and not only effectively resin polymerization process can be controlled, and by controlling temperature adjustment polymerization rate generation implode can also be avoided to make experimentation safer.
Description
Technical field
The present invention relates to a kind of chemical industry pilot test device, and in particular to a kind of resin polymerization pilot experiment system.
Background technology
Three big synthetic material of the world includes synthetic resin, synthetic rubber and synthetic fibers, wherein, synthetic resin be yield and
The highest synthetic material of consumption figure, raw material is widely used in preparing synthetic fibers, coating, adhesive, insulation based on it
The chemical fields such as material.In order to meet the needs of each chemical field, resin research staff is directed to the resin of various performances.Resin
R＆D process generally comprises laboratory, pilot scale, trial production and industrialization four-stage, wherein, the pilot scale stage is that resin was researched and developed
Journey is moved towards the transition stage of industrialization by laboratory, pilot experiment process to resins synthesis can industrialization have it is highly important
Influence.
It is simple in structure but the experimental provision in the stage of pilot scale at present is only the multiple amplification of laboratory stage mostly, operate
It is very cumbersome, it is also necessary to substantial amounts of manpower；Meanwhile pilot test device can not be put into laboratory since its own is bulky and lead to
In wind cupboard, itself does not also design ventilation unit, the health for the person that seriously affects pilot experiment；Most of all, pilot scale
The charging rate of experiment is significantly larger than laboratory, and the reaction heat of a large amount of materials progress polymerisation generations can make the temperature of reaction system
Degree rapidly rises, and this area is generally acknowledged that the rapidly heating of polymerization process can cause resin polymerization tremendous influence, such case
It is that laboratory stage institute is impossible, its influence to resin polymerization relies only on theoretical supposition, and can not verify, because
This, developing a kind of theoretical research and resin industrialization for the device of resin polymerization pilot experiment for resin polymerization has ten
Divide important meaning.
The content of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, so as to provide a kind of resin polymerization pilot experiment system.
To achieve these goals, the technical solution adopted in the present invention is：
A kind of resin polymerization pilot experiment system, it includes ventilation unit, reaction kettle, temperature control equipment and temperature adjustment dress
Put；The reaction kettle is arranged on below the suction opening of the ventilation unit, avoids organic gas in operating process from escaping in the lab
Dissipate, influence the health of experimenter, cause environmental pollution；The reaction kettle is used to carry out resin polymerization reaction；The temperature
Degree control device is used to detect reaction temperature current in the reaction kettle and programming rate, and controls the temperature-adjusting device
The internal temperature of the reaction kettle is adjusted.
The temperature control equipment includes temperature sensor, processor and temperature indicator；The temperature sensor is located at
The inside of the reaction kettle is used to detect the fluid temperature inside the reaction kettle；The processor and the temperature sensor phase
The temperature data signal for connecting and being detected according to the temperature sensor calculates current programming rate；The temperature indicator
It is connected with the processor, current temperature and programming rate is shown according to the output signal of the processor.
The initial period of experimentation is generally simple heat temperature raising, and temperature is less than design temperature T in reaction kettle1, institute
Stating processor control electric control valve makes heat source connect with the interlayer to heat the reaction kettle；When being warming up to design temperature
T1, polymerisation is proceeded by reaction kettle, polymerization is highly exothermic, easily causes reaction temperature to be ramping up, works as programming rate
More than setting programming rate k（℃/min）, the processor control temperature-adjusting device is to the heating in the reaction kettle
Speed is adjusted, until polymerization stage stabilization is warming up to design temperature T in the reaction kettle2, T2≥T1, insulation setting
Time t completes resin polymerization, and the processor controls the temperature-adjusting device to be cooled down to the reaction kettle to setting
Constant temperature degree T3, T3＜ T2, other auxiliary materials are added, obtain product.
The temperature-adjusting device includes the different some low-temperature receivers of heat source, temperature, is arranged at the folder on the reaction kettle surface
If layer and the dry coil pipe for being arranged at the reaction kettle inner wall, each coil pipe are close to the reaction kettle inner wall, the coil pipe is equipped with spiral shell
Gap is revolved, each coil pipe is inserted into mutual helical openings, and the interlayer is equipped with thermal source outlet and thermal source inlet；The heat
Source is exported connects the heat source, the outlet of each coil pipe and entrance point by an electric control valve respectively with the thermal source inlet
Each low-temperature receiver is not connected by an electric control valve, the processor connects each electric control valve and controls its switching.Adjusted
Cheng Zhong, according to the severe degree of programming rate in reaction kettle, selects the low-temperature receiver of a certain temperature and all or part of coil pipe connects pair
The reaction kettle is cooled down；Specifically, when programming rate is much larger than k, the processor control electric control valve make temperature compared with
Low low-temperature receiver is connected with whole coil pipes, and the warming temperature of the reaction kettle is adjusted；When adjusting to programming rate ratio
When being closer to k, processor control electric control valve disconnects the relatively low low-temperature receiver of temperature and whole coil pipes, makes higher cold of temperature
Source is connected with part coil pipe, and the warming temperature of the reaction kettle is adjusted.
Based on above-mentioned, the heat source includes heat medium chamber and the heating layer for being arranged on the heat medium chamber surface, institute
State heat medium chamber to connect with the thermal source outlet and the thermal source inlet, the heat medium intracavitary is equipped with heat medium, institute
It is water, paraffin oil, glycerine or silicone oil to state heat medium.
Based on above-mentioned, the low-temperature receiver includes cooling dielectric cavity and the cooling layer for being arranged on the cooling dielectric cavity surface, institute
State cooling dielectric cavity to connect with the coil outlets and the coil inlet, cooling medium, institute are equipped with the cooling dielectric cavity
It is the sodium-chloride water solution that mass fraction is 15%-25% or the ethanol water that mass fraction is 10%-20% to state cooling medium.
Based on above-mentioned, stirring motor is provided with the top of the reaction kettle, the output terminal of the stirring motor, which is connected with, to be stirred
Mix axis, the agitating shaft stretch into the reaction kettle inner cavity and the reaction kettle it is coaxial, the agitating shaft is arranged successively from top to bottom
Agitating vane from small to large is shown, the temperature sensor is located at the lower end of the agitating shaft.
Based on above-mentioned, the material of the reaction kettle is transparent glass.
Based on above-mentioned, the ventilation unit includes the extractor fan and air purification dress of stent, installation on the bracket
Put, the extractor fan is connected with the air cleaning unit, and the air cleaning unit is equipped with absorbing cavity.
Based on above-mentioned, the reaction kettle top is equipped with two feed inlets, and two feed inlets pass through pipeline connection respectively
There is an outlet of raw material cavity, each raw material cavity is respectively positioned on the top of the feed inlet, and the feed inlet and the raw material cavity go out
Flowmeter is equipped between mouthful, the outlet of the raw material cavity is equipped with throttle valve.
The present invention has prominent substantive distinguishing features and significant progress compared with the prior art, specifically, present invention tool
Have the advantage that：
The resin polymerization pilot experiment system combination temperature control device and temperature-adjusting device realize in reaction kettle temperature and
The Programmed control of programming rate, can be controlled programming rate to study influence of the programming rate to resin polymerization, be
Abundant theory and practice basis is established in follow-up industrialization, avoids polymerisation from acutely carrying out, the highly exothermic influence to experiment；
Further, the temperature-adjusting device can fully meet high temperature when being heated and being cooled down using different heat transfer mediums
The experiment demand of polymerisation and sub-cooled, when avoiding single use water or oil as a heat transfer medium, is boiled be subject to water or oil
The limitation of point or solidification point, heat transfer medium is unable to reach the high temperature of needs during heating, and heat transfer medium is unable to reach needs during cooling
Low temperature, influence experiment carry out speed；Further, the temperature sensor is located at the lower end of the agitating shaft, can effectively survey
The temperature that quantitative response carries out, avoids traditional pilot-plant from continuing to use laboratory installation, by thermometer intercalation reaction kettle, easily and
Agitating paddle collides, the situation of measured temperature hysteresis；Further, the material of the reaction kettle is transparent glass, easy to fill
Observation experiment is divided to carry out situation；Further, the ventilation unit includes stent, extractor fan and air cleaning unit, avoids reality
Test medicine volatilization the body of experimenter is caused to damage；Further, which further includes raw material cavity, and the raw material cavity is located at institute
The top of reaction kettle feed inlet is stated, by the charging rate of flowmeter and throttle valve adjustment raw material, operation is more convenient, avoids passing
Error caused by the difficult control of constant pressure funnel of uniting flow velocity, flow velocity are unstable.
Brief description of the drawings
Fig. 1 is the structure diagram of resin polymerization pilot experiment system in the present invention.
In figure：1. ventilation unit；2. reaction kettle；3. interlayer；4. coil pipe；5. heat medium chamber；6. cool down dielectric cavity；7. into
Material mouth；8. raw material cavity；9. throttle valve；10. flowmeter；11. stirring motor；12. agitating shaft；13. agitating vane.
Embodiment
Below by embodiment, technical scheme is described in further detail.
As shown in Figure 1, a kind of resin polymerization pilot experiment system, it includes ventilation unit 1, reaction kettle 2, temperature control dress
Put and temperature-adjusting device；The reaction kettle is arranged on below the suction opening of the ventilation unit 1, avoids organic gas in operating process
Body loss in the lab, influences the health of experimenter, causes environmental pollution；The reaction kettle 1 is used to carry out resin
Polymerisation；The temperature control equipment is used to detect reaction temperature and programming rate in the reaction kettle, and controls the temperature
The internal temperature of the reaction kettle is adjusted in degree regulating device.
The temperature control equipment includes temperature sensor, processor and temperature indicator；The temperature sensor is located at
The inside of the reaction kettle is used to detect the fluid temperature inside the reaction kettle；The processor and the temperature sensor phase
The temperature data signal for connecting and being detected according to the temperature sensor calculates current programming rate；The temperature indicator
It is connected with the processor, current temperature and programming rate is shown according to the output signal of the processor.
The initial period of experimentation is generally simple heat temperature raising, when being warming up to design temperature T1, open in reaction kettle
Begin to carry out polymerisation, polymerization is highly exothermic, easily causes reaction temperature to be ramping up, when programming rate is more than setting heating speed
Spend k（℃/min）, the processor controls the temperature-adjusting device that the programming rate in the reaction kettle is adjusted, makes
Polymerization stage, which is stablized, in the reaction kettle is warming up to design temperature T2, T2≥T1, insulation setting time t completion resin polymerizations
Afterwards, the processor controls the temperature-adjusting device to be cooled down to the reaction kettle to design temperature T3, T3＜ T2,
Add other auxiliary materials and obtain product.For example, carry out acrylic resin polymerization using the present embodiment resin polymerization pilot experiment system
Experiment, can set T1=70℃、k=2℃/min、T2=90℃、T3=40℃、t=180 min。
The temperature-adjusting device includes two different low-temperature receivers of heat source, temperature, is arranged at the folder on the reaction kettle surface
Layer 3 and two coil pipes 4 for being arranged at the reaction kettle inner wall, the interlayer 3 are equipped with thermal source outlet and thermal source inlet；The heat
Source includes heat medium chamber 5 and the heating layer for being arranged on the heat medium chamber surface, the heat medium chamber and the heat source
Outlet is connected with the thermal source inlet by electric control valve, and heat medium, the heat medium are equipped with the heat medium chamber 5
For water；The coil pipe is equipped with helical openings, and two coil pipes are inserted into mutual helical openings, and the low-temperature receiver includes cooling and is situated between
Matter chamber 6 and the cooling layer for being arranged on 6 surface of the cooling dielectric cavity, the heat medium chamber and the coil outlets and the disk
Tube inlet is connected by electric control valve, cooling medium is equipped with the cooling dielectric cavity 6, the cooling medium is that mass fraction is
15% sodium-chloride water solution, its solidification point is lower than water, expands the temperature range of cooling medium, and the processor connects each electrically-controlled valve
Door simultaneously controls its switching.In other embodiments, the low-temperature receiver, the quantity of the coil pipe can be arranged as required to, and be set a plurality of
Coil arrangement is conducive to the contact area of liquid in increase cooling medium and reaction kettle, sets the different low-temperature receiver of multiple temperature to have
The temperature regulating range of effect increase cooling medium；Paraffin oil, glycerine or silicone oil, the cooling medium may be selected in the heat medium
The ethanol water that the sodium-chloride water solution or mass fraction for being 15%-25% for mass fraction are 10%-20%.
During specific adjusting, the low-temperature receiver of a certain temperature according to the severe degree of programming rate in reaction kettle 2, can be selected
Connected with all or part of coil pipe and the reaction kettle 2 is cooled down；Such as when programming rate is much larger than k, the processor
Control electric control valve is connected the low low-temperature receiver of temperature and two coil pipes, and the warming temperature of the reaction kettle 2 is adjusted；
Adjust to programming rate relatively k when, processor control electric control valve disconnects the low low-temperature receiver of temperature and two coil pipes,
The higher low-temperature receiver of temperature is connected with a wherein coil pipe, the warming temperature of the reaction kettle 2 is adjusted.
Stirring motor 11 is provided with the top of the reaction kettle, the output terminal of the stirring motor 11 is connected with agitating shaft
12, the agitating shaft 12 stretch into the reaction kettle 2 inner cavity and the reaction kettle 2 it is coaxial, the agitating shaft 12 from top to bottom according to
The secondary agitating vane 13 being arranged with from small to large, the temperature sensor are located at the lower end of the agitating shaft 12, and temperature measuring point is located at
In the middle part of liquid in reaction kettle, avoid heated medium and cool down the influence of medium, make thermometric more accurate, the reaction kettle
2 material is transparent glass.
The ventilation unit 1 includes stent, the extractor fan and air cleaning unit of installation on the bracket, the pumping
Wind apparatus is connected with the air cleaning unit, and the air cleaning unit is equipped with absorbing cavity, is equipped with and absorbs in the absorption
Liquid such as water, ethanol solution or other, so as to reaction volatile matter absorb.
2 top of reaction kettle is equipped with two feed inlets 7, and two feed inlets 7 have raw material by pipeline connection respectively
The outlet of chamber 8, each raw material cavity 8 are respectively positioned on the top of the feed inlet, the outlet of the feed inlet 7 and the raw material cavity 8
Between be equipped with flowmeter 10, the outlet of the raw material cavity 8 is equipped with throttle valve 9, and passing through throttle valve and flowmeter in charging controls
Charging rate.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
It can modify to the embodiment of the present invention or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical solution, it should all cover among the claimed technical solution scope of the present invention.
Claims (7)
- A kind of 1. resin polymerization pilot experiment system, it is characterised in that：It includes ventilation unit, reaction kettle, temperature control equipment And temperature-adjusting device；The reaction kettle is arranged on below the suction opening of the ventilation unit；The temperature control equipment includes temperature sensor, processor and temperature indicator；The temperature sensor is positioned at described The inside of reaction kettle is used to detect the fluid temperature inside the reaction kettle；The processor is connected with the temperature sensor And the temperature data signal detected according to the temperature sensor calculates current programming rate；The temperature indicator and institute State processor to be connected, Current Temperatures and programming rate are shown according to the output signal of the processor；The temperature-adjusting device include the different some low-temperature receivers of heat source, temperature, the interlayer for being arranged at the reaction kettle surface and If being arranged at the dry coil pipe of the reaction kettle inner wall, each coil pipe is close to the reaction kettle inner wall, and the interlayer is equipped with heat source Outlet and thermal source inlet；The thermal source outlet connects the heat source by an electric control valve respectively with the thermal source inlet, respectively The outlet of the coil pipe connects each low-temperature receiver by an electric control valve respectively with entrance, and the processor connects each electrically-controlled valve Door simultaneously controls its switching.
- 2. resin polymerization pilot experiment system according to claim 1, it is characterised in that：The heat source includes heat medium Chamber and the heating layer for being arranged on the heat medium chamber surface, the heat medium chamber enter with the thermal source outlet and the heat source Mouth connection, the heat medium intracavitary are equipped with heat medium, and the heat medium is water, paraffin oil, glycerine or silicone oil.
- 3. resin polymerization pilot experiment system according to claim 1 or 2, it is characterised in that：The low-temperature receiver includes cooling Dielectric cavity and the cooling layer for being arranged on the cooling dielectric cavity surface, the cooling dielectric cavity and the coil outlets and the disk Tube inlet connects, and cooling medium is equipped with the cooling dielectric cavity, and the cooling medium is the chlorination that mass fraction is 15%-25% Sodium water solution or the ethanol water that mass fraction is 10%-20%.
- 4. resin polymerization pilot experiment system according to claim 2, it is characterised in that：The top of the reaction kettle is set Have a stirring motor, the output terminal of the stirring motor is connected with agitating shaft, the agitating shaft stretch into the reaction kettle inner cavity and The reaction kettle is coaxial, and the agitating shaft is arranged in sequence with agitating vane from small to large, the temperature sensor from top to bottom Positioned at the lower end of the agitating shaft.
- 5. resin polymerization pilot experiment system according to claim 4, it is characterised in that：The material of the reaction kettle is Bright glass.
- 6. resin polymerization pilot experiment system according to claim 4 or 5, it is characterised in that：The ventilation unit includes Stent, the extractor fan and air cleaning unit of installation on the bracket, the extractor fan and the air cleaning unit It is connected, the air cleaning unit is equipped with absorbing cavity.
- 7. resin polymerization pilot experiment system according to claim 6, it is characterised in that：The reaction kettle top is equipped with two A feed inlet, two feed inlets have the outlet of raw material cavity by pipeline connection respectively, and each raw material cavity is respectively positioned on described The top of feed inlet, is equipped with flowmeter between the outlet of the feed inlet and the raw material cavity, the outlet of the raw material cavity is equipped with Throttle valve.
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| CN201711356046.7A CN107983287A (en) | 2017-12-16 | 2017-12-16 | resin polymerization pilot experiment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711356046.7A CN107983287A (en) | 2017-12-16 | 2017-12-16 | resin polymerization pilot experiment system |
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Application publication date: 20180504 |