CN203090924U - Test type polyester synthesis device - Google Patents
Test type polyester synthesis device Download PDFInfo
- Publication number
- CN203090924U CN203090924U CN 201320074248 CN201320074248U CN203090924U CN 203090924 U CN203090924 U CN 203090924U CN 201320074248 CN201320074248 CN 201320074248 CN 201320074248 U CN201320074248 U CN 201320074248U CN 203090924 U CN203090924 U CN 203090924U
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- China
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- conduction oil
- kettle
- heat conduction
- kettle body
- chuck
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- Expired - Fee Related
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Abstract
The utility model discloses a test type polyester synthesis device. The test type polyester synthesis device mainly comprises a kettle body, a kettle cover and an in-kettle material temperature measuring sensor, wherein the kettle cover is sealed at the upper part of the kettle body; the in-kettle material temperature measuring sensor is arranged in the kettle body; a heat conduction oil jacket is arranged at the periphery of the kettle body; a heat conduction oil temperature measuring sensor is arranged in the heat conduction oil jacket; an aluminum jacket electric heater is arranged at the periphery of the heat conduction oil jacket; an aluminum silicate heat-preserving layer is arranged at the periphery of the aluminum jacket electric heater; an annular heat conduction oil hole pipe is arranged at the bottom of the heat conduction oil jacket and is externally connected to a heat conduction oil inlet pipe at the bottom of the kettle body; a heat conduction oil outlet pipe is arranged on the side of the upper part of the kettle body; a heat conduction oil filling port and a high-position oil tank are connected to the heat conduction oil outlet pipe; the heat conduction oil inlet pipe at the bottom of the kettle body is connected with the heat conduction oil outlet pipe on the side of the upper part of the kettle body through a heat conduction oil circulating oil pump; an anchor type stirrer for stirring is arranged in the kettle body; a feeding valve for feeding a polymer raw material into the kettle body is arranged on the kettle cover; and a discharging valve capable of discharging a polymer is arranged at the bottom of the kettle body. The test type polyester synthesis device has the characteristics of simple structure, convenience in operation, uniform heating temperature, accuracy in temperature control and the like.
Description
Technical field
The utility model relates to, and what relate to is a kind of prototype version polyester synthesizer, belongs to chemical industry with pet reaction still technical field.
Background technology
The synthetic polymerization technique of polyester requires heating-up temperature to want evenly; Temperature control wants accurate.The existing small-sized polyester synthesizer that is used for scientific research and new product development generally has electric heater directly to heat static conduction oil (liquid phase heating agent) the indirect kettle of kettle or the peripheral chuck of electric heater heating kettle body.Its weak point is: 1, the kettle heating temperature is irregular, and the temperature of kettle different parts has difference; Then high from the nearly temperature of heater, vice versa; Can to go up relative superiority or inferiority low for temperature on the short transverse of kettle; 2, because the kettle heating temperature is irregular, temperature of charge is also irregular in the still, and temperature of charge control wants standard also to be difficult to reach.
Summary of the invention
The purpose of this utility model is to overcome the technical deficiency of existing small-sized polyester synthesizer, provides a kind of heating-up temperature even, and temperature control is accurate, prototype version polyester synthesizer simple in structure, easy to operate.
The purpose of this utility model is achieved by the following technical solution: it mainly comprises: kettle, material temperature transducer in the still that is provided with in the kettle cover of kettle top seal and the kettle, described kettle outer periphery is equipped with the conduction oil chuck, is provided with the conduction oil temperature transducer in the conduction oil chuck; The outer periphery of conduction oil chuck is equipped with aluminium chuck electric heater; The outer periphery of aluminium chuck electric heater is equipped with the alumina silicate heat-insulation layer; The bottom of described conduction oil chuck is provided with ring-like heat conduction oilhole pipe, and this ring-like heat conduction oilhole pipe is external in the heat conductive oil inlet pipe of autoclave body bottom; Kettle top avris is provided with the conduction oil outlet, is connected with conduction oil oil filler and graviation tank on this conduction oil outlet.
The heat conductive oil inlet pipe of described autoclave body bottom links to each other by a conduction oil oil circulating pump with conduction oil outlet on the avris of kettle top; The anchor agitator that is used to stir is installed in the described kettle; Described kettle cover is provided with and is used for polymer raw is added charging valve in the kettle; Described autoclave body bottom is provided with can be with the bleeder valve of polymer discharging.
The utility model adopts under the driving of conduction oil oil circulating pump, conduction oil evenly sprays from conduction oil chuck bottom through the ring-like heat conduction oilhole pipe of conduction oil chuck bottom, and evenly heated by aluminium chuck electric heater, conduction oil goes upward to the conduction oil outlet and is recycled oil pump continuation circulation, go round and begin again thus, thereby material is evenly heated in the realization still, and temperature of charge is controlled technological requirement accurately.
The utility model belongs to a kind of improvement to prior art, and it has simple in structure, and is easy to operate, and heating-up temperature is even, characteristics such as temperature control standard.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Label shown in the figure has: 1, kettle; 2, kettle cover; 3, conduction oil chuck; 4, aluminium chuck electric heater; 5, alumina silicate heat-insulation layer; 6, ring-like heat conduction oilhole pipe; 7, heat conductive oil inlet pipe; 8, conduction oil outlet; 9, conduction oil oil filler and graviation tank; 10, conduction oil oil circulating pump; 11, material temperature transducer in the still; 12, conduction oil temperature transducer; 13, polymer bleeder valve; 14, anchor agitator; 15, pressure vacuum gauge; 16, charging valve.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail: shown in Figure 1, the utility model mainly comprises: kettle 1, material temperature transducer 11 in the still that is provided with in the kettle cover 2 of kettle 1 top seal and the kettle 1, described kettle 1 outer periphery is equipped with conduction oil chuck 3, is provided with conduction oil temperature transducer 12 in the conduction oil chuck 3; The outer periphery of conduction oil chuck 3 is equipped with aluminium chuck electric heater 4; The outer periphery of aluminium chuck electric heater 4 is equipped with alumina silicate heat-insulation layer 5; The bottom of described conduction oil chuck 3 is provided with ring-like heat conduction oilhole pipe 6, and this ring-like heat conduction oilhole pipe 6 is external in the heat conductive oil inlet pipe 7 of autoclave body bottom; Kettle top avris is provided with conduction oil outlet 8, is connected with conduction oil oil filler and graviation tank on this conduction oil outlet 8.
Shown in the figure, the heat conductive oil inlet pipe 7 of kettle described in the utility model 1 bottom links to each other by a conduction oil oil circulating pump 10 with conduction oil outlet 8 on the kettle 1 top avris;
Be provided with the polymer bleeder valve 13 of band heating in the middle of described kettle 1 bottom.Kettle cover 2 is provided with the anchor agitator 14 that the band variable-frequency motor drives magnetic seal, the polymer in the stirred tank; Also be provided with the pressure vacuum gauge 15 of measuring the still internal pressure on the kettle cover 2; Charging valve 16; Condensing unit, condensing unit are provided with and vacuumize interface and collecting tank etc.Also have automatic control system, vavuum pump etc. in addition.
Under the driving of conduction oil oil circulating pump, conduction oil evenly sprays from conduction oil chuck bottom through the ring-like heat conduction oilhole pipe of conduction oil chuck bottom, and evenly heated by aluminium chuck electric heater, conduction oil goes upward to the conduction oil outlet and is recycled oil pump and continues circulation, goes round and begins again thus; Thereby material is evenly heated in the realization still, and temperature of charge is controlled technological requirement accurately.
Use of the present utility model is: synthesize embodiment with polyester: load weighted EG, heat stabilizer add the still 1 from charging valve 16, under anchor agitator 14 stirs, powder material such as PTA, catalyst are added in the still from charging valve 16 equably, make homogeneous, uniform slurry.Temperature requirement according to esterification technique, under the driving of conduction oil oil circulating pump 10, the heat conductive oil inlet pipe 7 of conduction oil through conduction oil chuck 3 bottoms enters ring-like heat conduction oilhole pipe 6, and from the evenly ejection of conduction oil chuck bottom, and evenly heated by aluminium chuck electric heater 4, conduction oil goes upward to conduction oil outlet 8 and is continued circulation by conduction oil oil circulating pump 10, realizes that material is evenly heated in the still.Material keeps certain temperature to carry out the normal pressure esterification reaction in the still, and observes the esterification degree.After finishing esterification, carry out polycondensation reaction, generate macromolecular chain polymer with polyester characteristic.According to the temperature requirement of polycondensating process, by the said heating system heating, temperature of charge rises to about 289 ℃ from about 272 ℃ in the still.Material vacuumizes under heated condition, and the EG in the reaction system is discharged, and impels the growth of strand.Treat that strand rises in the molecular weight ranges of process requirements, then finish polymerization main reaction process when reaching predetermined value (be viscosity), just can be from 13 dischargings of polymer bleeder valve.In course of reaction, temperature in the kettle is measured by material temperature transducer in the still 6, and the conduction oil temperature detects by conduction oil temperature transducer 12, and vacuum is measured by pressure vacuum gauge 15.Charging valve is positioned on the kettle cover 2, is provided with alumina silicate heat-insulation layer 5 heat-insulation and heat-preservations outside aluminium chuck electric heater 4.
The conduction oil oil filler that is provided with connection above the conduction oil outlet graviation tank 9 of holding concurrently both can be used to add conduction oil, also can satisfy when the need of store oil during volumetric expansion after the heat-conducting oil heating.
Claims (2)
1. prototype version polyester synthesizer, it mainly comprises: kettle, material temperature transducer in the still that is provided with in the kettle cover of kettle top seal and the kettle, it is characterized in that described kettle (1) outer periphery is equipped with conduction oil chuck (3), is provided with conduction oil temperature transducer (12) in the conduction oil chuck (3); The outer periphery of conduction oil chuck (3) is equipped with aluminium chuck electric heater (4); The outer periphery of aluminium chuck electric heater (4) is equipped with alumina silicate heat-insulation layer (5); The bottom of described conduction oil chuck (3) is provided with ring-like heat conduction oilhole pipe (6), and this ring-like heat conduction oilhole pipe (6) is external in the heat conductive oil inlet pipe (7) of autoclave body bottom; Kettle top avris is provided with conduction oil outlet (8), is connected with conduction oil oil filler and graviation tank (9) on this conduction oil outlet (8).
2. prototype version polyester synthesizer according to claim 1 is characterized in that the heat conductive oil inlet pipe (7) of described kettle (1) bottom links to each other by a conduction oil oil circulating pump (10) with conduction oil outlet (8) on the avris of kettle (1) top; The anchor agitator (14) that is used to stir is installed in the described kettle (1); Described kettle cover (2) is provided with and is used for polymer raw is added the interior charging valve (16) of kettle (1); Described kettle (1) bottom is provided with can be with the bleeder valve (13) of polymer discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320074248 CN203090924U (en) | 2013-02-17 | 2013-02-17 | Test type polyester synthesis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320074248 CN203090924U (en) | 2013-02-17 | 2013-02-17 | Test type polyester synthesis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203090924U true CN203090924U (en) | 2013-07-31 |
Family
ID=48842368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320074248 Expired - Fee Related CN203090924U (en) | 2013-02-17 | 2013-02-17 | Test type polyester synthesis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203090924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480310A (en) * | 2013-08-31 | 2014-01-01 | 河南卓立膜材料股份有限公司 | Device for preventing deterioration of heat transfer oil of electrical heating reaction kettle |
-
2013
- 2013-02-17 CN CN 201320074248 patent/CN203090924U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480310A (en) * | 2013-08-31 | 2014-01-01 | 河南卓立膜材料股份有限公司 | Device for preventing deterioration of heat transfer oil of electrical heating reaction kettle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20140217 |