CN207823012U - High molecular polymerization pilot experiment system - Google Patents
High molecular polymerization pilot experiment system Download PDFInfo
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- CN207823012U CN207823012U CN201721759336.1U CN201721759336U CN207823012U CN 207823012 U CN207823012 U CN 207823012U CN 201721759336 U CN201721759336 U CN 201721759336U CN 207823012 U CN207823012 U CN 207823012U
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- temperature
- reaction kettle
- high molecular
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- pilot experiment
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Abstract
The utility model provides a kind of high molecular polymerization pilot experiment system, it includes reaction kettle, temperature control equipment and temperature-adjusting device；The temperature control equipment and the temperature-adjusting device are connected with the reaction kettle.The high molecular polymerization pilot experiment system is suitable for the scale up test process of lotion, not only effectively the temperature and pressure of high molecular polymerization process can be controlled, be conducive to the theoretical research in high molecular polymer, it can also avoid that implode occurs in polymerization process, keep experimentation safer, reduces accident occurrence probability.
Description
Technical field
The utility model is related to a kind of chemical industry pilot test devices, and in particular to a kind of high molecular polymerization pilot experiment system
System.
Background technology
High molecular polymer is widely used in preparing synthetic fibers, coating, adhesive, insulating materials as basic raw material
Equal chemical fields.In order to meet the needs of each chemical field, macromolecule research staff is dedicated to the high molecular polymerization of various performances
Object.High molecular polymer R＆D process generally comprises laboratory, pilot scale, trial production and industrialization four-stage, wherein pilot scale rank
Section is the transition stage that high molecular polymer R＆D process is moved towards industrialization by laboratory, and pilot experiment process synthesizes energy to lotion
No industrialization has highly important influence.
But the experimental provision in the stage of pilot scale at present is only the multiple amplification of laboratory stage, simple in structure, behaviour mostly
Make very complicated, it is also necessary to a large amount of manpower；In particular, the condensing unit of pilot experiment is mostly cold using the water progress of room temperature
It is solidifying, it can only be adjusted by increasing the flow of condensed water, condensate flow hour is unable to reach condensation effect, condensate flow
It is easy to wash open condenser when excessive, accident occurs；Meanwhile the charging rate of pilot experiment is significantly larger than laboratory, a large amount of objects
The reaction heat that material carries out polymerisation generation can be such that the temperature of reaction system rapidly rises, and the rapidly heating of polymerization process can be to poly-
The molecular weight and gel fraction for closing product cause tremendous influence, therefore, develop a kind of device for high molecular polymerization pilot experiment
The theoretical research and industrialization of high molecular polymer are of great significance.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of high molecular polymerization pilot experiment system
System.
To achieve the goals above, technical solution used by the utility model is：
A kind of high molecular polymerization pilot experiment system, it includes reaction kettle, condenser, air cleaning unit, temperature control
Device and temperature-adjusting device；The reaction kettle is set to below the suction opening of the air cleaning unit
The inner tube of the condenser is connected with the inner cavity of the reaction kettle, and pressure sensor is equipped in the middle part of said inner tube,
For detecting the gas pressure in said inner tube, the outer tube of the condenser passes through the electric control valve several low-temperature receivers different from temperature
It is connected；
The temperature control equipment includes temperature sensor, processor and display；The temperature sensor is located at described
The inside of reaction kettle, for detecting the fluid temperature inside the reaction kettle；It is the processor and the temperature sensor, described
Pressure sensor is connected with the display, the display according to the output signal of the processor show Current Temperatures and
Current pressure；
If the temperature-adjusting device includes the different dry heat sources of temperature, is set to the interlayer on the reaction kettle surface, institute
It states interlayer and is equipped with thermal source outlet and thermal source inlet；The thermal source outlet and the thermal source inlet pass through an automatically controlled throttling respectively
Valve is connected to the heat source, and the processor connects each electric control valve and each automatically controlled throttle valve and controls its switching.
The initial period of experimentation is generally simple heat temperature raising, and temperature is less than set temperature T in reaction kettle1, institute
It states processor and controls automatically controlled throttle valve the highest heat source of temperature is made to be connected to the interlayer and the reaction kettle is heated；Work as liter
Temperature is to set temperature T1, polymerisation is proceeded by reaction kettle, and when being polymerized to exothermic reaction, it is violent to easily cause reaction temperature
Rise, when temperature is more than T in reaction kettle1At+10 DEG C, the processor controls each automatically controlled throttle valve and is adjusted, and makes temperature most
High heat source flow reduces, and the lower heat source of temperature is connected to the interlayer, leads to each automatically controlled each heat source flow of throttle valve control
Temperature in reaction kettle is adjusted and keeps the temperature at T1-T1+ 10 DEG C, until polymerisation reaches and sets in the reaction kettle
The t that fixes time completes polymerization, and the processor controls the temperature-adjusting device and cools down the reaction kettle to setting
Temperature T2, T1＞ T2, other auxiliary materials are added and obtain product.
In polymerization process, as reaction increased with temperature, reaction kettle inner cavity gradually generates volatilization gas, gaseous volatilization
Into the inner tube of the condenser, the pressure that the processor is measured according to the pressure sensor selects a certain low-temperature receiver and institute
The outer tube for stating condenser is connected and is cooled down to the gas in inner tube, specifically, when gas pressure in the inner tube of the condenser
When power is more than setup pressure value P, the processor control electric control valve makes the outer tube of temperature lower low-temperature receiver and the condenser
It is connected；When gas pressure is less than setup pressure value P in the inner tube of the condenser, the processor control electric control valve makes
The higher low-temperature receiver of temperature is connected with the outer tube of the condenser；It is back to from the inner tube of the condenser after gas condensation anti-
Kettle is answered, polymerisation is continued.
Based on above-mentioned, the heat source includes heat medium chamber and the heating layer on heat medium chamber surface, institute is arranged
It states heat medium chamber to be connected to 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 on the cooling dielectric cavity surface, institute is arranged
It states cooling dielectric cavity to be connected to the condenser outer tube, cooling medium is equipped in the cooling dielectric cavity, the cooling medium is
The ethanol water that the sodium-chloride water solution or mass fraction that mass fraction is 15%-25% are 10%-20%.
Based on above-mentioned, the air cleaning unit includes holder, installation extractor fan on the bracket and absorbs dress
It sets, the extractor fan is connected with the absorption plant.
Based on above-mentioned, stirring motor is provided at the top of the reaction kettle, the output end 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
Stirring blade from small to large is shown, the temperature sensor is located at the lower end of the agitating shaft.
Based on above-mentioned high molecular polymerization pilot experiment system, it further includes raw material cavity, the outlet of the raw material cavity with it is described
The feed inlet of reaction kettle is connected, and the raw material cavity is respectively positioned on the top of the feed inlet, the feed inlet and the raw material cavity
Outlet between be equipped with flowmeter, the outlet of the raw material cavity is equipped with throttle valve.
Based on above-mentioned, the material of the reaction kettle is transparent glass.
The utility model has substantive features and progress compared with the prior art, specifically, the utility model have with
Lower advantage：
The high molecular polymerization pilot experiment system combination temperature control device is realized with temperature-adjusting device in reaction kettle
The Programmed control of temperature, be conducive to polymerization pilot experiment establishes abundant theory and practice base into the subsequent industrialization of behavior
Plinth；Meanwhile the outer tube of the condenser can be connected to the different low-temperature receiver of temperature as needed, improve gas condensation efficiency；Further,
The temperature sensor is located at the lower end of the agitating shaft, can effectively measure the temperature that reaction carries out, avoid traditional pilot scale
Device continues to use laboratory installation, in thermometer intercalation reaction kettle, will be easy and agitating paddle collides, measured temperature lag
Situation；Further, the material of the reaction kettle is transparent glass, and situation is carried out convenient for abundant observation experiment；Further, the device
Further include raw material cavity, the raw material cavity is located at the top of the reaction kettle feed inlet, passes through flowmeter and throttle valve adjustment raw material
Charging rate, operation is more convenient, avoids error caused by conventional constant voltage funnel flow velocity is difficult to control, flow velocity is unstable.
Description of the drawings
Fig. 1 is the structural schematic diagram of high molecular polymerization pilot experiment system in the utility model.
In figure：1. condenser；2. reaction kettle；3. interlayer；4. heat medium chamber；5. cooling down dielectric cavity；6. feed inlet；7. former
Expect chamber；8. throttle valve；9. flowmeter；10. stirring motor；11. agitating shaft；12. stirring blade；13. air cleaning unit.
Specific implementation mode
Below by specific implementation mode, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of high molecular polymerization pilot experiment system, it includes reaction kettle 2, condenser 1, air purification dress
Set 13, temperature control equipment and temperature-adjusting device；The reaction kettle 2 is set to below the suction opening of the air cleaning unit 13
The inner tube of the condenser 1 is connected with the inner cavity of the reaction kettle 2, and pressure sensing is equipped in the middle part of said inner tube
Device, for detecting the gas pressure in said inner tube, the outer tube of the condenser 1 passes through two different from temperature of electric control valve
Low-temperature receiver is connected；
The temperature control equipment includes temperature sensor, processor and display；The temperature sensor is located at described
The inside of reaction kettle, for detecting the fluid temperature inside the reaction kettle；It is the processor and the temperature sensor, described
Pressure sensor is connected with the display, the display according to the output signal of the processor show Current Temperatures and
Current pressure；
The temperature-adjusting device includes two different heat sources of temperature, is set to the interlayer on 2 surface of the reaction kettle, institute
It states interlayer and is equipped with thermal source outlet and thermal source inlet；The thermal source outlet and the thermal source inlet pass through an automatically controlled throttling respectively
Valve is connected to the heat source, and the processor connects each electric control valve and each automatically controlled throttle valve and controls its switching.
The initial period of experimentation is generally simple heat temperature raising, and temperature is less than set temperature T in reaction kettle 21, this
Shi Suoshu processors, which control automatically controlled throttle valve the highest heat source of temperature is made to be connected to the interlayer, adds the reaction kettle 2
Heat；When being warming up to set temperature T1, polymerisation is proceeded by reaction kettle 2, when being polymerized to exothermic reaction, easily causes reaction
High temperature rises, when temperature is more than T in reaction kettle1At+10 DEG C, the processor controls each automatically controlled throttle valve and is adjusted,
The highest heat source flow of temperature is set to reduce, the lower heat source of temperature is connected to the interlayer, and it is each to lead to each automatically controlled throttle valve control
Heat source flow is adjusted the temperature in reaction kettle 2 and keeps the temperature at T1-T1+ 10 DEG C, until polymerizeing in the reaction kettle anti-
Setting time t should be reached and complete polymerization, the processor controls the temperature-adjusting device and carries out cooling drop to the reaction kettle
Temperature is to set temperature T2, T1＞ T2, other auxiliary materials are added and obtain product.
In polymerization process, as reaction increased with temperature, reaction kettle inner cavity gradually generates volatilization gas, gaseous volatilization
Into the inner tube of the condenser, the pressure that the processor is measured according to the pressure sensor selects a certain low-temperature receiver and institute
The outer tube for stating condenser is connected and is cooled down to the gas in inner tube, specifically, when gas pressure in the inner tube of the condenser
When power is more than setup pressure value P, the processor control electric control valve makes the outer tube of temperature lower low-temperature receiver and the condenser
It is connected；When gas pressure is less than setup pressure value P in the inner tube of the condenser, the processor control electric control valve makes
The higher low-temperature receiver of temperature is connected with the outer tube of the condenser；It is back to from the inner tube of the condenser after gas condensation anti-
Kettle is answered, polymerisation is continued.
The heat source includes heat medium chamber 4 and the heating layer on 5 surface of heat medium chamber is arranged, and the heating is situated between
Matter chamber 4 is connected to the thermal source outlet and the thermal source inlet, and heat medium, the heating are equipped in the heat medium chamber 4
Medium can select water, paraffin oil, glycerine or silicone oil as needed.
The low-temperature receiver includes cooling dielectric cavity 5 and the cooling layer on 5 surface of cooling dielectric cavity is arranged, and the cooling is situated between
Matter chamber 5 is connected to 1 outer tube of the condenser, cooling medium is equipped in the cooling dielectric cavity 6, the cooling medium can be according to need
Select the ethanol water that mass fraction is 10%-20% for the sodium-chloride water solution or mass fraction of 15%-25%.
The air cleaning unit 13 includes holder, the extractor fan and absorption plant of installation on the bracket, described
Extractor fan is connected with the absorption plant, has absorbing liquid, the absorbing liquid that can select as needed in the absorption plant
Water, ethyl alcohol, lye etc..
The top of the reaction kettle 2 is provided with stirring motor 10, and the output end of the stirring motor 10 is connected with agitating shaft
11, the agitating shaft 11 stretch into the reaction kettle 2 inner cavity and the reaction kettle 2 it is coaxial, the agitating shaft 11 from top to bottom according to
The secondary stirring blade 12 being arranged with from small to large, the temperature sensor are located at the lower end of the agitating shaft 11, and temperature measuring point is located at
In the middle part of liquid in reaction kettle, the influence of heated medium is avoided, keeps thermometric more accurate, the material of the reaction kettle is
Bright glass.
The high molecular polymerization pilot experiment system further includes raw material cavity 7, the outlet of the raw material cavity 7 and the reaction kettle 2
Feed inlet be connected, the raw material cavity 7 is located at the top of the feed inlet 6, and the feed inlet 6 and the raw material cavity 7 go out
Flowmeter 9 is equipped between mouthful, the outlet of the raw material cavity is equipped with throttle valve 8.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model rather than limits it
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：It can still modify to specific embodiment of the present utility model or some technical characteristics are equally replaced
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (7)
1. a kind of high molecular polymerization pilot experiment system, it is characterised in that：It include reaction kettle, condenser, air cleaning unit,
Temperature control equipment and temperature-adjusting device；The reaction kettle is set to below the suction opening of the air cleaning unit；
The inner tube of the condenser is connected with the inner cavity of the reaction kettle, and pressure sensor is equipped in the middle part of said inner tube, is used for
The gas pressure in said inner tube is detected, the outer tube of the condenser is connected by electric control valve several low-temperature receivers different from temperature
It is logical；
The temperature control equipment includes temperature sensor, processor and display；The temperature sensor is located at the reaction
The inside of kettle, for detecting the fluid temperature inside the reaction kettle；The processor and the temperature sensor, the pressure
Sensor is connected with the display, and the display is according to the output signal of processor display Current Temperatures and currently
Pressure；
If the temperature-adjusting device includes the different dry heat sources of temperature, is set to the interlayer on the reaction kettle surface, the folder
Layer is equipped with thermal source outlet and thermal source inlet；The thermal source outlet and the thermal source inlet are connected by an automatically controlled throttle valve respectively
Lead to the heat source, the processor connects each electric control valve and each automatically controlled throttle valve and controls its switching.
2. high molecular polymerization pilot experiment system according to claim 1, it is characterised in that：The heat source includes that heating is situated between
Matter chamber and the heating layer on heat medium chamber surface is set, the heat medium chamber and the thermal source outlet and the heat source
Entrance is connected to.
3. high molecular polymerization pilot experiment system according to claim 1 or 2, it is characterised in that：The low-temperature receiver includes cold
But dielectric cavity connects with the cooling layer on the cooling dielectric cavity surface, the cooling dielectric cavity and the outer tube of the condenser is arranged
It is logical, cooling medium is equipped in the cooling dielectric cavity.
4. high molecular polymerization pilot experiment system according to claim 3, it is characterised in that：The air cleaning unit packet
Holder, the extractor fan and absorption plant of installation on the bracket are included, the extractor fan is connected with the absorption plant.
5. high molecular polymerization pilot experiment system according to claim 4, it is characterised in that：It is set at the top of the reaction kettle
It is equipped with stirring motor, the output end of the stirring motor is connected with agitating shaft, and the agitating shaft stretches into the inner cavity of the reaction kettle
Coaxial with the reaction kettle, the agitating shaft is arranged in sequence with stirring blade from small to large, the temperature sensing from top to bottom
Device is located at the lower end of the agitating shaft.
6. high molecular polymerization pilot experiment system according to claim 4 or 5, it is characterised in that：It further includes raw material cavity,
The outlet of the raw material cavity is connected with the feed inlet of the reaction kettle, and the raw material cavity is respectively positioned on the top of the feed inlet,
Flowmeter is equipped between the feed inlet and the outlet of the raw material cavity, the outlet of the raw material cavity is equipped with throttle valve.
7. high molecular polymerization pilot experiment system according to claim 6, it is characterised in that：The material of the reaction kettle is
Transparent glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721759336.1U CN207823012U (en) | 2017-12-16 | 2017-12-16 | High molecular polymerization pilot experiment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721759336.1U CN207823012U (en) | 2017-12-16 | 2017-12-16 | High molecular polymerization pilot experiment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207823012U true CN207823012U (en) | 2018-09-07 |
Family
ID=63387636
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721759336.1U Expired - Fee Related CN207823012U (en) | 2017-12-16 | 2017-12-16 | High molecular polymerization pilot experiment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207823012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961754A (en) * | 2017-12-16 | 2018-04-27 | 河南莱帕克化工设备制造有限公司 | Emulsion polymerization pilot experiment system |
-
2017
- 2017-12-16 CN CN201721759336.1U patent/CN207823012U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961754A (en) * | 2017-12-16 | 2018-04-27 | 河南莱帕克化工设备制造有限公司 | Emulsion polymerization pilot experiment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20201216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |