CN200974014Y - Polymerizing-kettle mixing device for micro-suspended paste resin - Google Patents
Polymerizing-kettle mixing device for micro-suspended paste resin Download PDFInfo
- Publication number
- CN200974014Y CN200974014Y CN 200620094290 CN200620094290U CN200974014Y CN 200974014 Y CN200974014 Y CN 200974014Y CN 200620094290 CN200620094290 CN 200620094290 CN 200620094290 U CN200620094290 U CN 200620094290U CN 200974014 Y CN200974014 Y CN 200974014Y
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- mixer
- central tube
- cooling
- polymerizing
- paste resin
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Abstract
A mixing device of polymerizing pot used for micro-suspension paste resin is provided, which comprises an electric motor, a gear box, the total power output of a mixer of the output shaft, and a mixer. The technical points are: the mixer comprises a central tube communicated with the cooling circular water in the inner side and connected with the output shaft of the total power output, and a spiral mixing paddle connected with the central tube and communicated with the cooling circular water in the inner side. The utility model is characterized in that the original pot is additionally equipped with a spiral mixer, of which one can be rotated into the polymerizing pot, making the mixer with larger diameter be arranged into the polymerizing pot with smaller upper orifice. The mixing device is convenient for installation and maintenance; the cooling water goes into the assist mixing paddle to increase the mixing area and improve the cooling effects; the different types of fins are additionally arranged in the original frame-type mixer and the assist mixing paddle to improve the surging effects of the cooling water, as well as the effects of heat transmission.
Description
Technical field
The utility model belongs to technical field of chemical, specifically stirs inner cooling water flow velocity by increasing the auxiliary facility that stirs with improving, and increases a kind of polymeric kettle agitating device that is used for little suspension paste resin that PVC sticks with paste resin polymerization still heat-transfer capability.
Background technology
Present domestic PVC paste resin product has multiple production method, main method has emulsion polymerisation and microsuspension polymerization, the paste naval stores trade mark of producing is numerous, be used for coating, foaming, slush moulding, dip in and mould and processing technology such as rotation-formed, produce goods such as artificial leather, flooring laminate, wallpaper, flame-retardant conveyor belt and toy.Different production methods adopts different polymeric kettles, wherein 48m
3Polymeric kettle is the capital equipment of microsuspension polymerization technology, and the paste resin yield of this device fabrication surpasses 180,000 t/a, accounts for national output about 2/3.Present problem: polymeric kettle is to be used for the special equipment that PVC sticks with paste resin polymerization.VCM and pure water are scattered in monomer vinyl chloride in the pure water under the protection of surfactant, make it to form fine droplets, add polymeric kettle then in 40～65 ℃ of reactions 10 ~ 30 hours, generate the latex of polyvinyl chloride homopolymer.The spray-dried PVC paste resin that makes of latex.Owing to require thermostatic control between polymerization period, and the chloroethylene polymerization process can be emitted a large amount of heat, therefore must heat of reaction in the polymeric kettle in time be removed, guarantee that simultaneously material is even in the still.
48m
3The polymerization reactor heat transfer mode mainly realizes by cooling of still outer wall and stirring cooling.Present introduction polymeric kettle is by on-the-spot detection computations, and the heat transfer coefficient of learning this still is for lower.Calculate according to the chloroethylene polymerization creation data, still inwall heat transmission resistance accounts for more than 70% of entire thermal resistance, and it is bad to belong to heat transfer, should give reinforcement.
Stir because the stirring of former polymeric kettle is a frame, polymeric kettle is suitable for reading less, and for ease of installing and maintenance, so the distance of the two outer tubes outside of the frame that stirs of frame between prolonging is littler than polymeric kettle internal diameter suitable for reading.So just cause the distance of two outer tubes of frame apart from the still wall, polymeric kettle inwall convective heat-transfer coefficient is little, and heat is difficult to pass in the cooling water, and polymerization reaction time is long.Because the frame of former polymeric kettle stirs, two outer tubes are vertical the installation, and it is bad to cause the interior material of still axially to mix, and brings upper and lower temperature difference and the big problem of material concentration difference to polymerisation.
Summary of the invention
The purpose of this utility model provides a kind of by improvement PVC microsuspension polymerization still agitating device, thereby improves the heat transfer of polymeric kettle and a kind of polymeric kettle agitating device that is used for little suspension paste resin of material mixing effect.
The purpose of this utility model is achieved in that it comprises that the agitator mechanomotive force that has motor, gearbox and output shaft exports total journey, agitator, it is characterized in that: this agitator is included in power and exports and be connected with the central tube that one inboard is connected with cooling circulating water on the output shaft of total journey, and the inboard that is connected with central tube is connected with the spiral paddle of cooling circulating water.
The inboard of described central tube that is connected with cooling circulating water and spiral paddle is provided with the fin or the flow-disturbing attachment device of augmentation of heat transfer.
The water service pipe cross section of described central tube and spiral paddle is circular cross-section or is elliptic cross-section.
The utlity model has following characteristics:
In former still, install helical stir additional, but one precession polymeric kettle makes the bigger stirring of diameter can pacify less polymeric kettle into suitable for reading.Be convenient to install and maintenance.
Auxiliary paddle in that the outside that former frame stirs increases adopts the mounting means that 1-5 degree inclination angle is arranged, and to improve the axial mixed effect that stirs, improves the uniformity of product and reduces the temperature difference in the still, helps improving the quality of polymerization product.
In auxiliary paddle, feed cooling water, increase heat transfer area, improve cooling effect.
Stir and assist at former frame and install dissimilar fins in the paddle additional, improve the panting effect of cooling water, improve heat-transfer effect.
Strengthen the distance between former frame stirring vertical tube, make it, improve near the flowing velocity of the material of still wall, increase heat transfer coefficient more by the still wall, the raising heat-transfer effect, stirring vertical tube is detachable mounting structure, so that install and overhaul.
The utility model is to provide improvement import equipment for sticking with paste the resin industry, improves the technology of production capacity.
Description of drawings
Fig. 1 is a kind of mounting structure simplified schematic diagram of the present utility model;
The utility model is described in further detail by example below in conjunction with accompanying drawing; but following example only is the utility model example wherein; the rights protection scope of not representing the utility model and being limited, rights protection scope of the present utility model is as the criterion with claims.
The specific embodiment
By shown in Figure 1, among the figure 1 is PVC microsuspension polymerization still, the agitator mechanomotive force that one cover has motor, gearbox and output shaft is installed on the top of this microsuspension polymerization still 1 exports total journey 2, this agitator is included in power and exports and be connected with the central tube 3 that one inboard is connected with cooling circulating water on the output shaft of total journey, and the inboard that is connected with central tube is connected with the spiral paddle 4 (this spiral paddle 4 is the stainless steel tube of the high 5.66m of diameter phi 318mm) of cooling circulating water; Central tube 3 and spiral paddle 4 inside are equipped with and are breathed heavily stream reinforcement fin 5, and the distance that spiral paddle is 4 is 1872 millimeters.Occupation mode is identical with traditional polymerization kettle agitator.
Claims (3)
1, a kind of polymeric kettle agitating device that is used for little suspension paste resin, it comprises that the agitator mechanomotive force that has motor, gearbox and output shaft exports total journey, agitator, it is characterized in that: this agitator is included in power and exports and be connected with the central tube that one inboard is connected with cooling circulating water on the output shaft of total journey, and the inboard that is connected with central tube is connected with the spiral paddle of cooling circulating water.
2, the polymeric kettle agitating device that is used for little suspension paste resin according to claim 1, it is characterized in that: the water service pipe cross section of central tube and spiral paddle is circular cross-section or is elliptic cross-section.
3, according to claim 1ly be used for the polymeric kettle agitating device that resin is stuck with paste in little suspension, it is characterized in that: the inboard that is connected with the central tube of cooling circulating water and spiral paddle is provided with the fin or the flow-disturbing attachment device of augmentation of heat transfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094290 CN200974014Y (en) | 2006-11-21 | 2006-11-21 | Polymerizing-kettle mixing device for micro-suspended paste resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094290 CN200974014Y (en) | 2006-11-21 | 2006-11-21 | Polymerizing-kettle mixing device for micro-suspended paste resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200974014Y true CN200974014Y (en) | 2007-11-14 |
Family
ID=38900307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620094290 Expired - Fee Related CN200974014Y (en) | 2006-11-21 | 2006-11-21 | Polymerizing-kettle mixing device for micro-suspended paste resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200974014Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614822A (en) * | 2012-03-29 | 2012-08-01 | 王志训 | Rotary type runner rotation connection port and reaction kettle |
| CN104998573A (en) * | 2015-07-10 | 2015-10-28 | 常州市龙润机械有限公司 | Low-temperature stirring device and low-temperature stirring method |
| CN108212053A (en) * | 2018-02-01 | 2018-06-29 | 辽宁华远石化科技有限公司 | Substance law vinyl chloride polymeric kettle |
| CN112337122A (en) * | 2021-01-11 | 2021-02-09 | 蓬莱禄昊化工机械有限公司 | Distillation still capable of being heated by steam of stirring paddle |
-
2006
- 2006-11-21 CN CN 200620094290 patent/CN200974014Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614822A (en) * | 2012-03-29 | 2012-08-01 | 王志训 | Rotary type runner rotation connection port and reaction kettle |
| CN102614822B (en) * | 2012-03-29 | 2014-02-12 | 王志训 | Rotary type runner rotation connection port and reaction kettle |
| CN104998573A (en) * | 2015-07-10 | 2015-10-28 | 常州市龙润机械有限公司 | Low-temperature stirring device and low-temperature stirring method |
| CN108212053A (en) * | 2018-02-01 | 2018-06-29 | 辽宁华远石化科技有限公司 | Substance law vinyl chloride polymeric kettle |
| CN108212053B (en) * | 2018-02-01 | 2024-01-26 | 辽宁华远石化科技有限公司 | Polymerization kettle for bulk method chloroethylene |
| CN112337122A (en) * | 2021-01-11 | 2021-02-09 | 蓬莱禄昊化工机械有限公司 | Distillation still capable of being heated by steam of stirring paddle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20141121 |
|
| EXPY | Termination of patent right or utility model |