CN103055787B - Novel coagulation washing kettle used for preparation of carbon dioxide-epoxy propane copolymer - Google Patents
Novel coagulation washing kettle used for preparation of carbon dioxide-epoxy propane copolymer Download PDFInfo
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- CN103055787B CN103055787B CN201210488159.3A CN201210488159A CN103055787B CN 103055787 B CN103055787 B CN 103055787B CN 201210488159 A CN201210488159 A CN 201210488159A CN 103055787 B CN103055787 B CN 103055787B
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- kettle
- frame leaf
- rotating shaft
- central rotating
- leaf
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Abstract
The invention discloses a novel coagulation washing kettle used for preparation of a carbon dioxide-epoxy propane copolymer. The washing kettle comprises a cylindrical kettle body which is vertically arranged. A central rotating shaft connected with an outer motor is longitudinally arranged in the kettle body. The washing kettle is characterized in that the lower end of the central rotating shaft is equipped with a plurality of ellipsoidal stirrers in a parallel manner longitudinally, the ellipsoidal stirrers are surrounded by a plurality of hollow oval stirring frame blades arranged on the central rotating shaft, a filter device is arranged on the side wall of the interior of the kettle body, a washing solution discharge pipe is arranged on the part, corresponding to the filter device, of the outer wall of the kettle body, the distance of the angle of the adjacent oval stirring frame blades is the same, the horizontal diameters of the oval stirring frame blades are different, and the height of the oval stirring frame blade is 1/8-1/6 of the length of the central rotating shaft. The novel coagulation washing kettle has advantages that the unreacted reaction material adhered to the surface of a solid polymer is completely separated from the solid polymer, and a polymer is collected through a material outlet, so that the yield and quality of the solid polymer are improved.
Description
Technical field
The present invention relates to a kind of washing kettle, especially relate to a kind of novel cohesion washing kettle prepared for carbon dioxide-epoxy propane copolymer.
Background technology
Washing kettle is a kind of washing plant of large-scale vertical pressurized vessel of field of chemical equipment, and it is mainly used for material fully to stir in a liquid, carries out suspension and washs and the device removing the organic solvent of material surface adhesion.Existing washing kettle device comprises kettle, stirring arm and filtration unit is provided with in kettle, after organic solvent is discharged by filter mouth, solid materials discharges the object reaching polymkeric substance and separated from solvent again through material outlet, but be separated by aforesaid method the solid materials surface obtained and be still stained with part organic solvent, can not remove completely, not reach object polymkeric substance and solvent are separated completely, reduce quality product and the productive rate of solid polymer.At present, also do not disclose both at home and abroad and anyly to report about in the correlative study making to stick to the cohesion washing kettle that the non-complete reaction material of solid polymer surfaces and solid polymer be separated completely prepares for carbon dioxide-epoxy propane copolymer.
Summary of the invention
Technical problem to be solved by this invention is to provide one and polymkeric substance can be separated completely with solvent, improves the quality product of solid polymer and the novel cohesion washing kettle prepared for carbon dioxide-epoxy propane copolymer of productive rate.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of novel cohesion washing kettle prepared for carbon dioxide-epoxy propane copolymer, comprise round shape kettle, described kettle is uprightly arranged, the central rotating shaft be connected with external motor is vertically arranged with in described kettle, described central rotating shaft lower end has longitudinally been arranged side by side some layers of elliposoidal agitator, described elliposoidal agitator stirs frame leaf by the ellipse of several hollows on described central rotating shaft that are crisscross arranged and surrounds, the internal side wall of described kettle is provided with filtration unit, the position that described kettle outer wall is corresponding to described filtration unit is provided with washings delivery pipe.
The angular interval that adjacent described ellipse stirs frame leaf is identical.Mixed with polymers liquid is distributed between each oval stirring frame leaf of elliposoidal agitator, stirs stressed more even, thus make washing more abundant, improve cohesion washing effect.
The horizontal diameter that described ellipse stirs frame leaf is different.Make mixed with polymers liquid all be subject to the oval stirring shearing force of stirring frame leaf and the effect of outside centrifugal force at the different positions of radial direction, improve cohesion washing effect.
The height of described ellipse stirring frame leaf is the 1/8-1/6 of the length of described central rotating shaft.Polymkeric substance can better be discharged from discharge port, discharge solvent from washings delivery pipe.
Described elliposoidal agitator is 2 layers, and the elliposoidal agitator described in every layer stirs frame leaf by the ellipse of 5 hollows and surrounds.
Described ellipse stirring frame leaf is respectively the first oval stirring frame leaf, the second oval stirring frame leaf, the 3rd ellipse stirs frame leaf, the 4th ellipse stirs frame leaf and the 5th ellipse stirring frame leaf, described first oval stir frame leaf, described second oval stir frame leaf, the described the 3rd oval stir frame leaf, the described the 4th oval stir that frame leaf and the described the 5th oval horizontal diameter stirring frame leaf are respectively described kettle diameter 15/16,3/4,9/16,3/8 and 3/16.Each oval horizontal diameter stirring frame leaf is arranged according to the above ratio, and stirring shear effect and centrifugation can be made to play maximum effectiveness.
Described washings delivery pipe is distributed on the sidewall of described kettle and is positioned at described ellipse and stirs above the side of frame leaf, described washings delivery pipe be inclined upwardly and and angle between horizontal plane be 20-30 °.Washings is made to be subject to centrifugal force upwards and to throw away smoothly outside kettle.
Described central rotating shaft is positioned at the top that described ellipse stirs frame leaf and is provided with oblique leaf formula stirring arm device, the length of described oblique leaf paddle agitator is 5/8 of described kettle diameter.Make the mixed with polymers liquid be positioned at above oval agitator be subject to stirring action, mixing is more even, thus makes washing more abundant, and polymeric articles quality is improved.
Described central rotating shaft is provided with the spiral conveying blade for carrying mixed reaction solution downwards in the described ellipse position of stirring between frame leaf and described oblique leaf paddle agitator, and the upper end of frame leaf is stirred in the lower end of described spiral conveying blade near described ellipse.The mixed with polymers liquid of high viscosity is carried downwards.
The turning direction of spiral direction and the described central rotating shaft of the spiral conveying blade that described spiral conveying blade is one-body molded and described with described central rotating shaft is contrary, and the distance up and down between two ends of described spiral conveying blade is the 1/8-1/6 of the length of described central rotating shaft.Spiral conveying blade turns to under length above-mentioned, can effectively be carried downwards by mixed with polymers liquid.
Compared with prior art, the invention has the advantages that: the present invention makes public for the first time a kind of novel cohesion washing kettle prepared for carbon dioxide-epoxy propane copolymer, comprise round shape kettle, kettle is uprightly arranged, the central rotating shaft be connected with external motor is vertically arranged with in kettle, central rotating shaft lower end has longitudinally been arranged side by side some layers of elliposoidal agitator, elliposoidal agitator stirs frame leaf by the ellipse of several hollows on central rotating shaft that are crisscross arranged and surrounds, the internal side wall of kettle is provided with filtration unit, the kettle outer wall position corresponding to filtration unit is provided with washings delivery pipe.Under this elliposoidal agitator continuous action, polymkeric substance is subject to the effect of centrifugal force while stirring, the non-complete reaction material of solid polymer surfaces is fully washed, washings is discharged outside kettle by filtration unit and washings delivery pipe, thus make to stick to the non-complete reaction material of solid polymer surfaces and be separated completely with solid polymer, polymkeric substance is collected by material outlet, improves productive rate and the quality of solid polymer.
Accompanying drawing explanation
Fig. 1 is the structural representation of cohesion washing kettle of the present invention;
Fig. 2 is the structural representation that ellipse of the present invention stirs frame leaf.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Specific embodiment one
A kind of novel cohesion washing kettle prepared for carbon dioxide-epoxy propane copolymer of the present invention, as shown in Figure 1, comprise round shape kettle 1, kettle 1 is uprightly arranged, the central rotating shaft 3 be connected with external motor 2 is vertically arranged with in kettle 1, central rotating shaft 3 lower end has longitudinally been arranged side by side some layers of elliposoidal agitator 4, elliposoidal agitator 4 stirs frame leaf 5 by the ellipse of several hollows on central rotating shaft 3 that are crisscross arranged and surrounds, the internal side wall of kettle 1 is provided with filtration unit 6, and the kettle 1 outer wall position corresponding to filtration unit 6 is provided with washings delivery pipe 7.
In this particular embodiment, the angular interval that adjacent ellipse stirs frame leaf 5 is identical, and the horizontal diameter of oval stirring frame leaf 5 is different, the 1/8-1/6 of the length of rotating shaft 3 centered by the oval height stirring frame leaf 5.Washings delivery pipe 7 is distributed on the sidewall of kettle 1 and is positioned at above oval side of stirring frame leaf 5, washings delivery pipe 7 be inclined upwardly and and angle between horizontal plane be 20-30 °, be provided with polymer masses outlet 10 bottom kettle 1.
In this particular embodiment, central rotating shaft 3 is positioned at oval top of stirring frame leaf 5 and is provided with oblique leaf paddle agitator 8, the length of oblique leaf paddle agitator 8 is 5/8 of kettle 1 diameter.Central rotating shaft 3 is provided with the spiral conveying blade 9 for carrying mixed reaction solution downwards in the ellipse position of stirring between frame leaf 5 and oblique leaf paddle agitator 8, the lower end of spiral conveying blade 9 is near oval upper end of stirring frame leaf 5, spiral conveying blade 9 is one-body molded with central rotating shaft 3 and spiral direction and the central rotating shaft 3 of spiral conveying blade 9 turning direction is contrary, the 1/8-1/6 of rotating shaft 3 length centered by the distance up and down between two ends of spiral conveying blade 9.
Specific embodiment two
A kind of novel cohesion washing kettle prepared for carbon dioxide-epoxy propane copolymer of the present invention, as shown in Figure 1, comprise round shape kettle 1, kettle 1 is uprightly arranged, the central rotating shaft 3 be connected with external motor 2 is vertically arranged with in kettle 1, central rotating shaft 3 lower end has longitudinally been arranged side by side some layers of elliposoidal agitator 4, and elliposoidal agitator 4 stirs frame leaf 5 by the ellipse of several hollows on central rotating shaft 3 that are crisscross arranged and surrounds
The internal side wall of kettle 1 is provided with filtration unit 6, and the kettle 1 outer wall position corresponding to filtration unit 6 is provided with washings delivery pipe 7.
In this particular embodiment, the angular interval that adjacent ellipse stirs frame leaf 5 is identical, and the oval horizontal diameter stirring frame leaf 5 is different, 1/7 of the length of rotating shaft 3 centered by the oval height stirring frame leaf 5.
In this particular embodiment, elliposoidal agitator 4 is 2 layers, and every layer of elliposoidal agitator 4 stirs frame leaf 5 by the ellipse of 5 hollows and surround.5 ellipse stirring frame leaves 5 are respectively the first oval oval frame leaf the 53, the 4th ellipse that stirs of frame leaf 51, second ellipse stirring frame leaf the 52, the 3rd that stirs and stir frame leaf 54 and the 5th ellipse stirring frame leaf 55, the first oval oval oval horizontal diameter stirring frame leaf the 53, the 4th ellipse stirring frame leaf 54 and the 5th oval stirring frame leaf 55 of frame leaf the 52, the 3rd that stirs of frame leaf 51, second that stirs is respectively 15/16 of kettle 1 diameter, 3/4,9/16,3/8 and 3/16.
In this particular embodiment, washings delivery pipe 7 is distributed on the sidewall of kettle 1 and is positioned at above oval side of stirring frame leaf 5, washings delivery pipe 7 be inclined upwardly and and angle between horizontal plane be 25 °, be provided with polymer masses outlet 10 bottom kettle 1.Central rotating shaft 3 is positioned at oval top of stirring frame leaf 5 and is provided with oblique leaf paddle agitator 8, the length of oblique leaf paddle agitator 8 is 5/8 of kettle 1 diameter.Central rotating shaft 3 is provided with the spiral conveying blade 9 for carrying mixed reaction solution downwards in the ellipse position of stirring between frame leaf 5 and oblique leaf paddle agitator 8, the lower end of spiral conveying blade 9 is near oval upper end of stirring frame leaf 5, spiral conveying blade 9 is one-body molded with central rotating shaft 3 and spiral direction and the central rotating shaft 3 of spiral conveying blade 9 turning direction is contrary, centered by the distance up and down between two ends of spiral conveying blade 9 rotating shaft 3 length 1/7.
Above-described embodiment is detailed description of the present invention, but protection scope of the present invention is not limited to above-described embodiment, is as the criterion with claims.
Claims (5)
1. the cohesion washing kettle prepared for carbon dioxide-epoxy propane copolymer, comprise round shape kettle, described kettle is uprightly arranged, the central rotating shaft be connected with external motor is vertically arranged with in described kettle, it is characterized in that: described central rotating shaft lower end has longitudinally been arranged side by side some layers of elliposoidal agitator, described elliposoidal agitator stirs frame leaf by the ellipse of several hollows on described central rotating shaft that are crisscross arranged and surrounds, the internal side wall of described kettle is provided with filtration unit, the position that described kettle outer wall is corresponding to described filtration unit is provided with washings delivery pipe, the angular interval that adjacent described ellipse stirs frame leaf is identical, the horizontal diameter that described ellipse stirs frame leaf is different, described washings delivery pipe is distributed on the sidewall of described kettle and is positioned at described ellipse and stirs above the side of frame leaf, described washings delivery pipe be inclined upwardly and and angle between horizontal plane be 20-30 °, described elliposoidal agitator is 2 layers, every layer of elliposoidal agitator stirs frame leaf by the ellipse of 5 hollows and surrounds, described ellipse stirs frame leaf and is respectively the first oval stirring frame leaf, second oval stirring frame leaf, 3rd oval stirring frame leaf, 4th oval stirring frame leaf and the 5th oval stirring frame leaf, described first oval stirring frame leaf, described second oval stirring frame leaf, described the 3rd oval stirring frame leaf, described 4th oval stir that frame leaf and the described the 5th oval horizontal diameter stirring frame leaf are respectively described kettle diameter 15/16, 3/4, 9/16, 3/8 and 3/16.
2. a kind of cohesion washing kettle prepared for carbon dioxide-epoxy propane copolymer according to claim 1, is characterized in that: the height of described ellipse stirring frame leaf is the 1/8-1/6 of the length of described central rotating shaft.
3. a kind of cohesion washing kettle prepared for carbon dioxide-epoxy propane copolymer according to claim 1, it is characterized in that: described central rotating shaft is positioned at the top that described ellipse stirs frame leaf and is provided with oblique leaf paddle agitator, the length of described oblique leaf paddle agitator is 5/8 of described kettle diameter.
4. a kind of cohesion washing kettle prepared for carbon dioxide-epoxy propane copolymer according to claim 3, it is characterized in that: described central rotating shaft is provided with the spiral conveying blade for carrying mixed reaction solution downwards in the described ellipse position of stirring between frame leaf and described oblique leaf paddle agitator, the upper end of frame leaf is stirred in the lower end of described spiral conveying blade near described ellipse.
5. a kind of cohesion washing kettle prepared for carbon dioxide-epoxy propane copolymer according to claim 4, it is characterized in that: the turning direction of spiral direction and the described central rotating shaft of the spiral conveying blade that described spiral conveying blade is one-body molded and described with described central rotating shaft is contrary, and the distance up and down between two ends of described spiral conveying blade is the 1/8-1/6 of the length of described central rotating shaft.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210488159.3A CN103055787B (en) | 2012-11-26 | 2012-11-26 | Novel coagulation washing kettle used for preparation of carbon dioxide-epoxy propane copolymer |
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| CN201210488159.3A CN103055787B (en) | 2012-11-26 | 2012-11-26 | Novel coagulation washing kettle used for preparation of carbon dioxide-epoxy propane copolymer |
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| CN103055787A CN103055787A (en) | 2013-04-24 |
| CN103055787B true CN103055787B (en) | 2015-04-29 |
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| CN201210488159.3A Expired - Fee Related CN103055787B (en) | 2012-11-26 | 2012-11-26 | Novel coagulation washing kettle used for preparation of carbon dioxide-epoxy propane copolymer |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103706270A (en) * | 2013-12-17 | 2014-04-09 | 南通密炼捏合机械有限公司 | Viscous liquid stirring washer |
| CN103992470B (en) * | 2014-03-24 | 2018-06-12 | 中国化学赛鼎宁波工程有限公司 | A kind of preparation method of propylene oxide-carbon dioxide copolymer |
| CN105617928B (en) * | 2015-12-29 | 2018-05-15 | 北京安实创业科技发展有限公司 | A kind of agitating shaft |
| CN114939393A (en) * | 2022-06-01 | 2022-08-26 | 青岛科技大学 | System and method for continuously producing aminophylline |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101983749A (en) * | 2009-08-06 | 2011-03-09 | 山东阳谷华泰化工股份有限公司 | Filtration and drying integrated device used in rubber antiscorcher CTP production process and application thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101983749A (en) * | 2009-08-06 | 2011-03-09 | 山东阳谷华泰化工股份有限公司 | Filtration and drying integrated device used in rubber antiscorcher CTP production process and application thereof |
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