CN202893359U - Resaponifying test device for high alcoholysis degree polyvinyl alcohol resin - Google Patents
Resaponifying test device for high alcoholysis degree polyvinyl alcohol resin Download PDFInfo
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- CN202893359U CN202893359U CN2012206556351U CN201220655635U CN202893359U CN 202893359 U CN202893359 U CN 202893359U CN 2012206556351 U CN2012206556351 U CN 2012206556351U CN 201220655635 U CN201220655635 U CN 201220655635U CN 202893359 U CN202893359 U CN 202893359U
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- resaponifying
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- cylindrical shell
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- end cap
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model discloses a resaponifying test device for high alcoholysis degree polyvinyl alcohol resin. The resaponifying test device is characterized in that a test reaction kettle is arranged and consists of a cylinder body and an upper flange end cover, wherein the cylinder body is arranged into a jacket structure and a cooling mode of cooling water is realized by a jacket; a stirring device is arranged in the reaction kettle; a main motor for driving a stirring shaft adopts a variable-frequency motor; and respective inlets and outlets and various display instruments are respectively formed in the cylinder body and the upper flange end cover of the reaction kettle. According to the resaponifying test device disclosed by the utility model, the requirements of reaction conditions of resaponifying the polyvinyl alcohol resin are fully considered and process conditions of a resaponifying test are realized; and the resaponifying test device has the advantages of pressure resistance, sealing property, functions of stirring, cooling, insulating cold, pressurizing and the like and can be used for detecting the temperature, the pressure and the like.
Description
Technical field
The utility model relates to a kind of polyvinyl alcohol (hereinafter to be referred as PVA) resin resaponifying experimental rig, especially the PVA resin of alcoholysis degree more than 98% is carried out the experimental rig of resaponifying reaction.
Background technology
PVA is a kind of broad-spectrum water-soluble high-molecular material.In the electric thin industry, high to the alcoholysis degree index request of PVA resin, need the PVA resin of complete alcoholysis degree, i.e. the PVA resin of alcoholysis degree 100%.And in the low alkali working system of present PVA process route, the alcoholysis degree of PVA resin can not reach the index request that blooming is used the PVA resin raw material generally 98%-99%.Therefore, need to carry out resaponifying to the PVA resin of certain alcoholysis degree, obtain the PVA resin of complete alcoholysis degree.Because present domestic PVA manufacturer does not also have the resaponifying technique of PVA resin, this just need to test research and development.But, so far not yet relevant for the open report of the resaponifying experimental rig of high alcoholysis degree polyvinyl alcohol resin.
The utility model content
The utility model is for avoiding the existing existing weak point of saponification process technology, a kind of high alcoholysis degree polyvinyl alcohol resin resaponifying experimental rig being provided.This device takes into full account the reaction condition requirement of PVA resin resaponifying, realizes the process conditions of resaponifying test.
The utility model is that the technical solution problem adopts following technical scheme:
The characteristics of a kind of high alcoholysis degree polyvinyl alcohol resin resaponifying experimental rig of the utility model are: the test reactor is to be made of cylindrical shell and upper flange end cap; Described cylindrical shell is set to jacket structured, realizes the water quench mode by chuck; In described reactor, agitating device is set, is used for driving the main motor employing variable-frequency motor of shaft; On the cylindrical shell of described reactor and upper flange end cap, each import and outlet are set respectively, and all kinds of Displaying Meters are set.
The characteristics of the high alcoholysis degree polyvinyl alcohol resin of the utility model resaponifying experimental rig also are:
The hermetically-sealed construction that is arranged between described shaft and the upper flange end cap is to adopt the still double mechanical seal.
Described each import and the outlet that is arranged on cylindrical shell and the upper flange end cap comprises: be positioned at the chuck media outlet on cylindrical shell top, be positioned at the chuck medium import of cylindrical shell bottom and be positioned at the material outlet of cylinder body bottom; Be positioned at PVA charging aperture, water and auxiliary agent entrance and nitrogen inlet on the upper flange end cap;
Described all kinds of Displaying Meter comprises: be arranged on the Pressure gauge on the upper flange end cap and be arranged on the cylindrical shell bimetallic thermometer for detection of the internal-response temperature of charge.
Compared with the prior art, the utility model beneficial effect is embodied in:
The utility model takes into full account the reaction condition requirement of PVA resin resaponifying, possesses withstand voltage, sealing, can stir, the functions such as cooling, cold insulation, pressurization, can also detect and feeds back temperature and pressure etc. simultaneously, realizes the process conditions of resaponifying test.
Description of drawings
Fig. 1 is the utility model structural representation;
Number in the figure: 1 cylindrical shell; 2 agitating devices; 3 chucks; 4 chuck media outlets; 5 bolts; 6 is the PVA charging aperture; 7 still double mechanical seals; 8 reductors; 9 variable-frequency motors; 10 water and auxiliary agent entrance; 11 nitrogen inlets; 12 Pressure gauges; 13 safety valves; 14 upper flange end caps; 15 bimetallic thermometers; 16 chuck medium imports; 17 material outlets, 18 Tetrafluoro spacers.
The specific embodiment
Referring to Fig. 1, the version of high alcoholysis degree polyvinyl alcohol resin resaponifying experimental rig is in the present embodiment: the test reactor is to be made of cylindrical shell 1 and upper flange end cap 14; Cylindrical shell 1 is set to jacket structured, realizes the water quench mode by chuck; Agitating device 2 is set in reactor, is used for driving the main motor employing variable-frequency motor 9 of shaft; On the cylindrical shell 1 of reactor and upper flange end cap 14, each import and outlet are set respectively, and all kinds of Displaying Meters are set.
In the implementation, corresponding setting also comprises:
The hermetically-sealed construction that is arranged between shaft and the upper flange end cap 14 is to adopt still double mechanical seal 7.
Each import and the outlet that are arranged on cylindrical shell 1 and the upper flange end cap 14 comprise: be positioned at the chuck media outlet 4 on cylindrical shell top, be positioned at the chuck medium import 16 and the material outlet 17 that is positioned at cylinder body bottom of cylindrical shell bottom; And have: be positioned at PVA charging aperture 6, water and auxiliary agent entrance 10 and nitrogen inlet 11 on the upper flange end cap 14.
All kinds of Displaying Meters comprise: be arranged on the Pressure gauge 12 on the upper flange end cap 14 and be arranged on the cylindrical shell 1 for detection of the bimetallic thermometer 15 of temperature of charge, also be provided with safety valve 13 on upper flange end cap 14.
In the implementation, reactor is that the employing material is the SUS316 stainless steel, and its volume 40L, barrel designs pressure 1.0Mpa, design temperature are 60 ℃; The chuck design pressure is that 0.8Mpa, design temperature are 60 ℃; Can pass into low-temperature cooling water in the chuck cools off reactor; Adopt slurry formula agitating device, the reductor 8 that is arranged between variable-frequency motor and the shaft is selected planet-gear speed reducer.
Before nitrogen inlet 11 is used for preparing test, passes into nitrogen in the reactor and carry out reactor 1 leak detection; Before dropping into material reactor 1 is carried out nitrogen replacement, reach nitrogen guarantor effect; By adjusting reactor 1 interior nitrogen pressure, can realize the compressive reaction under the different pressures;
The cooling water that passes into uniform temperature in the chuck 3 be used for to be realized cooling and the cold insulation to reactor, regulates chuck medium import 16 on the chuck 3 and the valve on the chuck media outlet 4, can control the reaction temperature of material in reactor.
Open the valve of PVA charging aperture 6, can drop into quantitative PVA raw material, fetch boiling water and the valve of auxiliary agent entrance 10, can quantitatively add entry and solid, liquid body auxiliary agent; By the VFC to variable-frequency motor 9, can realize that the rotating speed of agitating device 2 is from the speed adjusting of 0-120rpm, by can extrapolating the variation of stirring torque in the reactor to the detection of the electric current of variable-frequency motor 9, thereby judge the resaponifying extent of reaction in the reactor;
Gasket seal between cylindrical shell 1 and the upper flange end cap 14 is selected Tetrafluoro spacer 18, can bear certain temperature and pressure; Take the reactor flange connect apart with bolt 5, can open upper flange end cap 14, so that the reactor cylindrical shell is cleaned.
Through after the saponification of certain hour, from material outlet 17, carry out the material sample analysis, after detection meets quality index, from material outlet 17, the PVA resin behind the discharge resaponifying.
Claims (3)
1. one kind high alcoholysis degree polyvinyl alcohol resin resaponifying experimental rig is characterized in that: it is by cylindrical shell (1) and upper flange end cap (14) formation that the test reactor is set; Described cylindrical shell (1) is set to jacket structured, realizes the water quench mode by chuck; Agitating device (2) is set in described reactor, is used for driving the main motor employing variable-frequency motor (9) of shaft; On the cylindrical shell (1) of described reactor and upper flange end cap (14), each import and outlet are set respectively, and all kinds of Displaying Meters are set.
2. high alcoholysis degree polyvinyl alcohol resin resaponifying experimental rig according to claim 1 is characterized in that: be arranged on hermetically-sealed construction between described shaft and the upper flange end cap (14) and be and adopt still with double mechanical seal (7).
3. high alcoholysis degree polyvinyl alcohol resin resaponifying experimental rig according to claim 1 is characterized in that:
Described each import and the outlet that is arranged on cylindrical shell and the upper flange end cap (14) comprises: be positioned at the chuck media outlet (4) on cylindrical shell top, be positioned at the chuck medium import (16) of cylindrical shell bottom and be positioned at the material outlet (17) of cylinder body bottom; Be positioned at PVA charging aperture (6), water and auxiliary agent entrance (10) and nitrogen inlet (11) on the upper flange end cap (14);
Described all kinds of Displaying Meter comprises: be arranged on the Pressure gauge (12) on the upper flange end cap (14) and be arranged on the cylindrical shell (1), for detection of the bimetallic thermometer (15) of internal-response temperature of charge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206556351U CN202893359U (en) | 2012-12-03 | 2012-12-03 | Resaponifying test device for high alcoholysis degree polyvinyl alcohol resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206556351U CN202893359U (en) | 2012-12-03 | 2012-12-03 | Resaponifying test device for high alcoholysis degree polyvinyl alcohol resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202893359U true CN202893359U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206556351U Expired - Lifetime CN202893359U (en) | 2012-12-03 | 2012-12-03 | Resaponifying test device for high alcoholysis degree polyvinyl alcohol resin |
Country Status (1)
| Country | Link |
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| CN (1) | CN202893359U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962019A (en) * | 2012-12-03 | 2013-03-13 | 安徽皖维高新材料股份有限公司 | High-alcoholysis-degree polyvinyl alcohol resin re-saponification testing device |
| CN103691334A (en) * | 2013-12-26 | 2014-04-02 | 安徽皖维集团有限责任公司 | Device for preparing high-viscosity polyvinyl alcohol resin solution |
-
2012
- 2012-12-03 CN CN2012206556351U patent/CN202893359U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962019A (en) * | 2012-12-03 | 2013-03-13 | 安徽皖维高新材料股份有限公司 | High-alcoholysis-degree polyvinyl alcohol resin re-saponification testing device |
| CN103691334A (en) * | 2013-12-26 | 2014-04-02 | 安徽皖维集团有限责任公司 | Device for preparing high-viscosity polyvinyl alcohol resin solution |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |
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| CX01 | Expiry of patent term |