CN2898021Y - Production of large polymerizer from poly(vinyl chloride) resin by suspending polymerization - Google Patents
Production of large polymerizer from poly(vinyl chloride) resin by suspending polymerization Download PDFInfo
- Publication number
- CN2898021Y CN2898021Y CNU2005200923713U CN200520092371U CN2898021Y CN 2898021 Y CN2898021 Y CN 2898021Y CN U2005200923713 U CNU2005200923713 U CN U2005200923713U CN 200520092371 U CN200520092371 U CN 200520092371U CN 2898021 Y CN2898021 Y CN 2898021Y
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- China
- Prior art keywords
- kettle
- fixed
- shaft
- vertical shaft
- scale polymeric
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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
- Y02P20/141—Feedstock
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Abstract
The utility model discloses a large-scale polymerizer for PVC resin production with suspension polymerization, and is characterized in that the top of the rack 11 is provided with a kettle 14 with suitable slenderness ratio, and a half-pipe jacket 17 with semi-circle cross section is connected with the spiral on the ektexine of the straight reach of the cylinder in the kettle 14; a spiral diversion jacket 21 is connected with the bottom end of the kettle14; the mixing vertical shaft 16 inside the kettle is connected with a two-layer threeleaf paddle stirrer15, a scraper 13 is fixedly connected with the lower part of the vertical shaft 16 ; the bottom of the kettle is provided with a mechanical seal device 12, a transmission shaft 10, a shaft joint 8 and a subtracting machine 7 driven by a motor 1 ; a plurality of inner cooling coils 20 is connected with the inner of the kettle 14, the top of the kettle is provided with a condenser 19 in vitro. The utility model has the advantages of capaciousness, high yield; good heat transfer capacity, non-stick kettle and low maintenance cost, stable transmission, effective agitation, and good shape in grains of PVC resin, even distributed molecular weight, high absorption rate and less black spots and yellow spots.
Description
One, technical field
The utility model relates to a kind of chemical machinery, a kind of specifically suspension polymerization production polyvinyl chloride (PVC) RESINS large-scale polymeric kettle.
Two, background technology
In the polyvinyl chloride resin production process, polymeric kettle is a main production equipments.The technical feature of its equipment directly has influence on the economy of output, quality and the operation of polyvinyl chloride (PVC) RESINS.At present, home-made PVC resin polymerization still has 13.5m
3, 20.5m
3, 30m
3, 48m
3Etc. several specifications.These polymeric kettle unit volumes are little, and power consumption is big, the counter investment height, and production efficiency is low, has been superseded trend.Along with the polyvinyl chloride industrial expansion, polymeric kettle also towards most economical, production efficiency is high, construction and maintenance cost is low, good product quality, direction that output is big develop.The chemical machinery enterprise that has has now produced the large-scale polymeric kettle series product.But its product is in polyvinyl chloride (PVC) RESINS suspension polymerization process, exists problems such as sticking still, product particle are inhomogeneous, conducting effect difference, has a strong impact on the quality of polyvinyl chloride (PVC) RESINS product; Particularly sticking still phenomenon is not resolved in the polyvinyl chloride resin production process all the time.
Three, summary of the invention
In order to solve the deficiencies in the prior art, technical problem to be solved in the utility model provides that a kind of output is big, efficient is high, sticking still, suspension polymerization production polyvinyl chloride (PVC) RESINS large-scale polymeric kettle that maintenance cost is low.
The technical scheme that solves its technical problem employing is: suspension polymerization production polyvinyl chloride (PVC) RESINS large-scale polymeric kettle mainly comprises frame, electric motor, transmission mechanism, kettle, whipping appts and refrigerating unit; The upper end of frame is supported and is fixed with volume is 90-200m
3, length-to-diameter ratio is 1.4-1.6, highly is the kettle of 3-5m for 6-18m, nominal diameter, spiral is fixed with the half-pipe jacket that section is the led to water coolant of semicircle shape on the cylindrical shell straight section outer wall of kettle, and the corresponding position of half-pipe jacket is connected to a plurality of water-ins and a plurality of water outlet that communicates with semicanal; Be fixed with the spiral stream guidance chuck of the led to water coolant that has flow deflector in the interlayer on the outer wall that the bottom of kettle is spherical; Be fixed with two-layer three leaf paddle stirrers on the stirring vertical shaft of kettle inside, the bottom of stirring vertical shaft is fixed with scraper plate; Autoclave body bottom connects and is equipped with on the edge and stirs the mechanically-sealing apparatus that material leaks that prevents that has water-in that vertical shaft is connected; The lower end of mechanically-sealing apparatus is fixed with the transmission shaft by the bearing supporting, and the lower end of transmission shaft is leaned on shaft coupling and is connected by motor-operated step-down gear; The cylindrical shell straight section corresponding position of kettle is fixed with cooling coil in many groups, and the top of kettle is installed with external condenser, and the top also is provided with chain quick opening manhole.Motor drives stirs the rotation of vertical shaft agitator and makes material suspended polymerization production polyvinyl chloride (PVC) RESINS.
The beneficial effects of the utility model are: because this polymeric kettle length-to-diameter ratio is suitable, volume is big, so output is big, and the efficient height; Owing to adopt two-layer three leaf paddle stirrers, thereby improved stirring intensity shearing force and cycle index, make product pellet concentrated and even; Because the cylindrical shell straight section outer wall of kettle is provided with the logical water coolant half-pipe jacket of spiral, and autoclave body bottom is provided with the spiral stream guidance chuck, be provided with cooling coil in many groups in the still again, the still top is provided with external condenser, satisfied the heat-transfer capability of equipment, the not sticking still of material, maintenance cost is low.The utility model polymeric kettle stable drive, mixing effect is good, and the polyvinyl chloride resin particle form of production is good, even molecular weight distribution, the oil absorbency height, stain and yellow point are few.
Four, description of drawings
Fig. 1 is a structure interface chart of the present utility model.
Five, embodiment
In the accompanying drawings, the utility model suspension polymerization production polyvinyl chloride (PVC) RESINS large-scale polymeric kettle mainly comprises frame, electric motor, transmission mechanism, kettle, whipping appts and refrigerating unit; The upper end of frame 11 is supported and is fixed with kettle 14, and the volume of kettle 14 is 90-200m
3, length-to-diameter ratio is 1.4-1.6, highly is 3-5m for 6-18m, nominal diameter; The volume of present embodiment kettle 14 is 110m
3, length-to-diameter ratio is 1.48, highly be 4.2m for 12m, nominal diameter; The volume of another embodiment kettle 14 is 150m
3, length-to-diameter ratio is 1.48, highly be 5.0m for 14m, nominal diameter.Spiral is fixed with the half-pipe jacket 17 that section is the led to water coolant of semicircle shape on the kettle 14 cylindrical shell straight section outer walls, and the corresponding position of half-pipe jacket 17 is connected to a plurality of water-in 17-1 and a plurality of water outlet 17-2 that communicates with semicanal.The semicircle shape half-pipe jacket can obtain bigger water coolant flow velocity (3.5m/s) with less flow; Its many water-ins and multi-outlet can be bigger the raising coefficient of heat transfer; The surface that the semicanal spiral is connected in kettle had both increased the rigidity of kettle, had avoided taking place in the process of cooling " short circuit " phenomenon again.Be fixed with the spiral stream guidance chuck 21 of the led to water coolant that has flow deflector in the interlayer on the outer wall that the bottom of kettle 14 is spherical; Water coolant is used for cooling off material along the flow deflector inflow and outflow in chuck.Be fixed with two-layer three leaf paddle stirrers 15 on the stirring vertical shaft 16 of kettle 14 inside; This kind agitator can improve stirring intensity shearing force and cycle index, makes product pellet concentrated and even.The bottom of stirring vertical shaft 16 is fixed with scraper plate 13; Kettle 14 bottoms connect to be equipped with on the edge and are enclosed within the mechanically-sealing apparatus 12 that material leaks that prevents that has water-in that stirs outside the vertical shaft 16, inject high pressure water from water-in and can prevent between the axle sleeve and bearing shell of material access to plant, material enters easy generation plasticizing sheet and reports the dead equipment that influences to run well stir shaft.Be fixed with the transmission shaft 10 that supports by bearing 9 in the lower end of mechanically-sealing apparatus 12, the lower end of transmission shaft 10 is connected with the output shaft of subtrahend machine 7 by shaft coupling 8; Be fixed with step-down gear belt wheel 6 on the input shaft of subtrahend machine 7.Mechanically-sealing apparatus 12, step-down gear 7 and bearing 9 are fixed on the frame 11.Be fixed with bipolar motor 1 on the support of motor 3, can realize the double speed running of equipment.Be fixed with electric motor belt wheel 2 on the output shaft of electric motor 1; Be with the belt 4 of the transmission of power of electric motor 1 being given step-down gear 7 on step-down gear belt wheel 6, the electric motor belt wheel 2.The bottom of step-down gear 7 is provided with pneumatic motor 5, and startup pneumatic motor 5 remains in operation during power failure, and material reaction finishes in still.The cylindrical shell straight section corresponding position of kettle 14 is fixed with cooling coil 20 in many groups, and the top of kettle is installed with external condenser 19, and the top also is provided with chain quick opening manhole 18.The entire equipment length-to-diameter ratio is moderate, helps device interior and stirs heat exchange, thereby prevented sticking still phenomenon, has also reduced power of agitator.
Claims (7)
1, a kind of suspension polymerization production polyvinyl chloride (PVC) RESINS large-scale polymeric kettle mainly comprises frame, electric motor, transmission mechanism, kettle, whipping appts and refrigerating unit; It is characterized in that: the upper end of frame (11) is supported and is fixed with volume is 90-200m
3, length-to-diameter ratio is 1.4-1.6, highly is the kettle (14) of 3-5m for 6-18m, nominal diameter, spiral is fixed with the half-pipe jacket that section is the led to water coolant of semicircle shape (17) on the cylindrical shell straight section outer wall of kettle (14), and the corresponding position of half-pipe jacket (17) is connected to a plurality of water-ins (17-1) and a plurality of water outlet (17-2) that communicates with semicanal; Be fixed with the spiral stream guidance chuck (21) of the led to water coolant that has flow deflector in the interlayer on the outer wall that the bottom of kettle (14) is spherical; Be fixed with two-layer three leaf paddle stirrers (15) on the stirring vertical shaft (16) of kettle (14) inside, the bottom of stirring vertical shaft (16) is fixed with scraper plate (13); Kettle (14) bottom connects to be equipped with on the edge to be enclosed within stirs the outer mechanically-sealing apparatus (12) that material leaks that prevents that has water-in of vertical shaft (16); The lower end of mechanically-sealing apparatus (12) is fixed with the transmission shaft (10) by bearing (9) supporting, and the lower end of transmission shaft (10) is connected with the step-down gear (7) that is driven by electric motor (1) by shaft coupling (8); The cylindrical shell straight section corresponding position of kettle (14) is fixed with cooling coil (20) in many groups, and the top of kettle (14) is installed with external condenser (19).
2, large-scale polymeric kettle as claimed in claim 1 is characterized in that: the top of described kettle (14) also is provided with chain quick opening manhole (18).
3, large-scale polymeric kettle as claimed in claim 1 is characterized in that: the volume of described kettle (14) is 110m
3, length-to-diameter ratio is 1.48, highly be 4.2m for 12m, nominal diameter.
4, large-scale polymeric kettle as claimed in claim 1 is characterized in that: the volume of described kettle (14) is 150m
3, length-to-diameter ratio is 1.48, highly be 5.0m for 14m, nominal diameter.
5, large-scale polymeric kettle as claimed in claim 1 is characterized in that: described mechanically-sealing apparatus (12), step-down gear (7) and bearing (9) are fixed on the frame (11).
6, large-scale polymeric kettle as claimed in claim 1 is characterized in that: the belt (4) that is connected with transferring power between described electric motor (1) and the step-down gear (7).
7, large-scale polymeric kettle as claimed in claim 1 is characterized in that: the bottom of described step-down gear (7) is provided with pneumatic motor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200923713U CN2898021Y (en) | 2005-08-31 | 2005-08-31 | Production of large polymerizer from poly(vinyl chloride) resin by suspending polymerization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200923713U CN2898021Y (en) | 2005-08-31 | 2005-08-31 | Production of large polymerizer from poly(vinyl chloride) resin by suspending polymerization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2898021Y true CN2898021Y (en) | 2007-05-09 |
Family
ID=38073357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200923713U Expired - Lifetime CN2898021Y (en) | 2005-08-31 | 2005-08-31 | Production of large polymerizer from poly(vinyl chloride) resin by suspending polymerization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2898021Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028173A (en) * | 2014-05-28 | 2014-09-10 | 新疆中泰化学股份有限公司 | Polymerizer feeding device and using method thereof |
-
2005
- 2005-08-31 CN CNU2005200923713U patent/CN2898021Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028173A (en) * | 2014-05-28 | 2014-09-10 | 新疆中泰化学股份有限公司 | Polymerizer feeding device and using method thereof |
| CN104028173B (en) * | 2014-05-28 | 2016-06-29 | 新疆中泰化学股份有限公司 | Polymeric kettle feeding device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: AVIC LIMING JINXI CHEMICAL MACHINERY (GROUP) CO., Free format text: FORMER NAME: JINXI CHEMICAL MACHINERY (GROUP) CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 125001 No. 25 chemical machinery road, Lianshan District, Huludao Patentee after: AVIC Liming Jinxi Chemical Machinery (Group) Co., Ltd. Address before: 125001 No. 25, chemical machinery street, Lianshan District, Liaoning, Huludao Patentee before: Jinxi Chemical Machinery (Group) Co., Ltd. |
|
| CX01 | Expiry of patent term |
Expiration termination date: 20150831 Granted publication date: 20070509 |
|
| EXPY | Termination of patent right or utility model |