CN216224405U - Polypropylene polymeric kettle heat transfer device that can evenly stir - Google Patents
Polypropylene polymeric kettle heat transfer device that can evenly stir Download PDFInfo
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- CN216224405U CN216224405U CN202122934159.9U CN202122934159U CN216224405U CN 216224405 U CN216224405 U CN 216224405U CN 202122934159 U CN202122934159 U CN 202122934159U CN 216224405 U CN216224405 U CN 216224405U
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Abstract
The utility model discloses a polypropylene polymerization kettle heat exchange device capable of uniformly stirring, which is characterized in that raw materials for producing polypropylene are put into a polymerization kettle main body from a feeding hole, a heating device capable of maintaining the internal temperature is arranged at the bottom end inside the polymerization kettle main body, a pressure relief opening for relieving the internal pressure is formed in the right side of the upper surface of the polymerization kettle main body, a discharging hole is formed in the lower surface of the polymerization kettle main body in a penetrating manner, the heat exchange device comprises an outer jacket surrounding the middle position outside the polymerization kettle main body, and water circulation tanks are arranged on the left side and the right side of the polymerization kettle main body. This polypropylene polymeric kettle heat transfer device that can evenly stir adopts neotype structural design, utilizes inside horizontal stirring fan and vertical stirring fan simultaneous working to horizontal stirring fan reciprocates the relocation position at the during operation, to the more intensive mixing of inside reaction raw materials, and increases radiator fan in the cooling tube outside, cools off inside in step, thereby improves cooling efficiency.
Description
Technical Field
The utility model relates to the technical field of polypropylene, in particular to a heat exchange device of a polypropylene polymerization kettle capable of uniformly stirring.
Background
Polypropylene is a thermoplastic resin obtained by polymerizing propylene, is a white waxy material, has a transparent and light appearance, is widely applied to the production of products such as fiber products, medical instruments, automobiles, chemical containers and the like, and needs to be reacted by a polymerization kettle in the production process.
In the prior art, chinese patent with publication number CN207076447U discloses a polyacrylamide polymerization reactor, which comprises: the polymerization kettle comprises a polymerization kettle body and a stirring device, wherein the polymerization kettle body comprises a kettle cover and a polymerization kettle body, a heat insulation layer is arranged on the outer wall of the polymerization kettle body, a feeding hole is formed in the kettle cover, and a discharging hole is formed in the bottom of the polymerization kettle body; agitating unit includes main shaft and buncher, the main shaft is located the inside of the polymeric kettle body, the vertical fixation has a plurality of rotating vane on the main shaft, a plurality of rotating vane are parallel distribution, the bottom of main shaft is provided with the scraper, the scraper with the bottom of the polymeric kettle body suits, through heat preservation, agitating unit's design, makes polyacrylamide polymerization reation kettle polymerization ambient temperature is stable, polymerization degree is good, polymerization product quality is high.
However, in the actual use process, the stirring position of the stirring device in the polymerization kettle is inconvenient, the stirring direction is fixed, the condition of uneven and sufficient stirring is easy to occur, the generation rate of polypropylene is influenced, the mode of an outer jacket is adopted for heat dissipation, the heat exchange efficiency of internal cooling water is limited, and the cooling efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a heat exchange device of a polypropylene polymerization kettle capable of uniformly stirring, which aims to solve the problems of insufficient stirring and low cooling efficiency in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a polypropylene polymeric kettle heat transfer device that can evenly stir, inside the polymeric kettle main part was put into from the feed inlet to the raw materials that will produce polypropylene, the inside bottom of polymeric kettle main part is provided with the heating device that can maintain inside temperature, just the pressure release mouth that is used for the pressure release to inside pressure release is offered on polymeric kettle main part upper surface right side, and polymeric kettle main part lower surface runs through and has seted up the discharge gate, includes:
the outer jacket is surrounded at the middle position outside the polymerization kettle main body, and a cooling pipeline for cooling is spirally arranged inside the outer jacket;
the water circulation tanks are arranged on the left side and the right side of the polymerization kettle main body and are connected with the cooling pipeline through connecting hoses;
the bearing is arranged in the middle of the inside of the main body of the polymerization kettle, and the upper end of the central rotating shaft is connected with an external driving motor;
the side rotating shafts are connected with the central rotating shaft through belts, and the number of the side rotating shafts is totally 4 about the central symmetry of the central rotating shaft;
the transverse stirring fans are movably arranged on the outer side of the side rotating shaft, and 2 groups of the transverse stirring fans are arranged in an up-down symmetrical mode;
and the longitudinal stirring fan is rotatably installed at the lower end inside the main body of the polymerization kettle, and the rotating direction of the longitudinal stirring fan and the transverse stirring fan form an included angle of 90 degrees.
Preferably, the horizontal stirring fan pass through spacing fixture block with the block structure is constituteed to the side pivot, just the rotation of horizontal stirring fan below is provided with sharp slider, and the side pivot utilizes the spacing fixture block in the outside to drive horizontal stirring fan rotation when the central pivot drives the pivoted, but does not influence it and reciprocates.
Preferably, the linear sliding block and the polymerization kettle main body form a lifting structure through a transmission screw rod, the thread directions of the upper section of the transmission screw rod and the lower section of the transmission screw rod are opposite, the central rotating shaft drives the middle transmission screw rod to rotate while rotating, and therefore the linear sliding block is used for driving the transverse stirring fan to move up and down.
Preferably, the top end of the longitudinal stirring fan is coaxially and fixedly provided with a longitudinal helical gear, the longitudinal helical gear and the transverse helical gear form an engagement structure, and the longitudinal helical gear, the side face of which is engaged and connected with the lateral helical gear, is driven to synchronously rotate through the rotation of the transverse helical gear, so that the longitudinal stirring fan rotates.
Preferably, the outer layer of the outer jacket is provided with a heat insulation layer capable of playing an effective heat insulation role, the front side and the rear side of the outer jacket are provided with openable protective doors, and the heat insulation layer can be used for preventing the dissipation of internal heat during reaction and reducing energy consumption.
Preferably, the inside longitudinal symmetry of guard gate is provided with the radiator fan that can improve the cooling effect, just radiator fan rear side fixed mounting has the dust screen, utilizes radiator fan's cooperation work can improve holistic cooling efficiency when the heat dissipation needs to dispel the heat after the reaction.
Compared with the prior art, the utility model has the beneficial effects that: this polypropylene polymeric kettle heat transfer device that can evenly stir adopts neotype structural design, utilizes inside horizontal stirring fan and vertical stirring fan simultaneous working to horizontal stirring fan reciprocates the relocation position at the during operation, to the more intensive mixing of inside reaction raw materials, and increases radiator fan in the cooling tube outside, cools off inside in step, thereby improves cooling efficiency.
1. The cooperation between central pivot, side pivot, spacing fixture block, horizontal helical gear and the longitudinal helical gear is used, and rotation through central pivot utilizes the transmission lead screw to make horizontal stirring fan reciprocate, rotates simultaneously under the effect of the spacing fixture block in the side pivot outside to utilize horizontal helical gear to make the longitudinal helical gear drive the longitudinal stirring fan and rotate simultaneously, realize the more intensive mixing to inside raw materials.
2. The cooperation between outer jacket, cooling tube and the radiator fan is used, when need cool off after the reaction is accomplished, at first utilizes to continuously letting in cold water in the cooling tube and carry out the heat transfer to reach refrigerated purpose, and radiator fan rotates simultaneously for the circulation of surrounding air further improves refrigerated efficiency.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic structural view of a main body of a polymerizer of the utility model in front view, in section;
FIG. 3 is a schematic top sectional view of a main body of a polymerizer of the utility model;
FIG. 4 is a schematic top view of the transverse stirring rod of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 2 according to the present invention.
In the figure: 1. a polymeric kettle body; 2. a feed inlet; 3. a pressure relief port; 4. a discharge port; 5. an outer jacket; 6. a water circulation tank; 7. a central rotating shaft; 8. a side rotating shaft; 9. a transverse stirring fan; 10. a longitudinal stirring fan; 11. a limiting clamping block; 12. a linear slider; 13. a transmission screw rod; 14. a lateral helical gear; 15. a longitudinal helical gear; 16. a cooling duct; 17. a heat-insulating layer; 18. a protective door; 19. a heat radiation fan; 20. and (4) a dust filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a polypropylene polymeric kettle heat transfer device that can evenly stir, the raw materials that will produce polypropylene are placed into polymeric kettle main part 1 from feed inlet 2 inside, and the inside bottom of polymeric kettle main part 1 is provided with the heating device that can maintain inside temperature, and 1 upper surface right sides of polymeric kettle main part offer be used for the pressure release mouth 3 to inside pressure release to 1 lower surface of polymeric kettle main part runs through and has seted up discharge gate 4, include:
an outer jacket 5 surrounding the middle position outside the polymerization kettle main body 1, wherein a cooling pipeline 16 for cooling is spirally arranged inside the outer jacket 5;
the water circulation tanks 6 are arranged at the left side and the right side of the polymerization kettle main body 1, and the water circulation tanks 6 are connected with the cooling pipeline 16 through connecting hoses;
the bearing is arranged in the middle of the inside of the main body 1 of the polymerization kettle, and the upper end of the central rotating shaft 7 is connected with an external driving motor;
the side rotating shafts 8 are connected with the central rotating shaft 7 through belts, and the number of the side rotating shafts 8 is totally 4 about the central symmetry of the central rotating shaft 7;
the transverse stirring fans 9 are movably arranged on the outer side of the side rotating shaft 8, and 2 groups of the transverse stirring fans 9 are arranged up and down symmetrically;
and the longitudinal stirring fan 10 is rotatably arranged at the lower end in the polymerization kettle main body 1, and the rotating direction of the longitudinal stirring fan 10 and the transverse stirring fan 9 form an included angle of 90 degrees.
The transverse stirring fan 9 and the side rotating shaft 8 form a clamping structure through a limiting clamping block 11, a linear sliding block 12 is rotatably arranged below the transverse stirring fan 9, the linear sliding block 12 and the polymerization kettle main body 1 form a lifting structure through a transmission screw rod 13, the thread directions of the upper transmission screw rod 13 and the lower transmission screw rod 13 are opposite, a longitudinal helical gear 15 is coaxially and fixedly arranged at the top end of the longitudinal stirring fan 10, and the longitudinal helical gear 15 and the transverse helical gear 14 form an engaging structure.
When the device is used, firstly, raw materials required by polymerization reaction are put into a polymerization kettle main body 1 from an upper feeding hole 2, then the raw materials are heated by a heating device below the interior, so that the raw materials are maintained at the optimal temperature of the reaction, meanwhile, an upper motor drives an inner central rotating shaft 7 to rotate, the central rotating shaft 7 utilizes a belt to enable a side rotating shaft 8 to rotate along with the central rotating shaft 7, a limiting clamping block 11 on the outer surface of the side rotating shaft 8 is utilized to drive a transverse stirring fan 9 to start rotating, the central rotating shaft 7 drives a transmission screw rod 13 to rotate simultaneously, a linear sliding block 12 drives the transverse stirring fan 9 to move up and down in a reciprocating mode while rotating by utilizing the transmission screw rod 13, meanwhile, a longitudinal helical gear 15 meshed and connected with the transverse helical gear 14 is utilized to drive a longitudinal stirring fan 10 to rotate, and finally, the raw materials are fully stirred by utilizing the matching of the transverse stirring fan 9 and the longitudinal stirring fan 10, the speed of the polymerization reaction is accelerated.
The outer layer of the outer jacket 5 is provided with a heat preservation layer 17 capable of playing an effective heat preservation role, the front side and the rear side of the outer jacket 5 are provided with openable protective doors 18, the protective doors 18 are internally and vertically symmetrically provided with cooling fans 19 capable of improving a cooling effect, and dust filter nets 20 are fixedly mounted on the rear sides of the cooling fans 19.
After the polymerization reaction is completed, the water circulation tank 6 is utilized to continuously introduce cooling into the cooling pipeline 16, so that cold water is utilized to exchange heat inside, the cooling purpose is achieved, the protective door 18 is opened simultaneously to open the cooling fan 19, the cooling fan 19 is utilized to accelerate the circulation of air around, the speed of internal heat dissipation is accelerated, the speed of cooling is further accelerated, and the dust filtering net 20 at the rear part can prevent dust from entering the outer jacket 5 when heat dissipation is performed.
The working principle is as follows: when the device is used, according to the structure shown in fig. 1-5, firstly, the matched rotation between the transverse stirring fan 9 and the longitudinal stirring fan 10 is utilized when the raw materials react, the reciprocating up-and-down movement of the transverse stirring fan 9 is utilized to enable the raw materials to be stirred more fully, the generation rate of finished products is improved, and meanwhile, the auxiliary work of the cooling fan 19 is utilized during cooling, so that the cooling efficiency is improved, namely the working principle of the polypropylene polymerization kettle heat exchange device capable of uniformly stirring.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a polypropylene polymeric kettle heat transfer device that can evenly stir, inside the polymeric kettle main part was put into from the feed inlet to the raw materials that will produce polypropylene, the inside bottom of polymeric kettle main part is provided with the heating device that can maintain inside temperature, just the pressure release mouth that is used for inside pressure release is offered on polymeric kettle main part upper surface right side, and polymeric kettle main part lower surface runs through and has seted up the discharge gate, its characterized in that includes:
the outer jacket is surrounded at the middle position outside the polymerization kettle main body, and a cooling pipeline for cooling is spirally arranged inside the outer jacket;
the water circulation tanks are arranged on the left side and the right side of the polymerization kettle main body and are connected with the cooling pipeline through connecting hoses;
the bearing is arranged in the middle of the inside of the main body of the polymerization kettle, and the upper end of the central rotating shaft is connected with an external driving motor;
the side rotating shafts are connected with the central rotating shaft through belts, and the number of the side rotating shafts is totally 4 about the central symmetry of the central rotating shaft;
the transverse stirring fans are movably arranged on the outer side of the side rotating shaft, and 2 groups of the transverse stirring fans are arranged in an up-down symmetrical mode;
and the longitudinal stirring fan is rotatably installed at the lower end inside the main body of the polymerization kettle, and the rotating direction of the longitudinal stirring fan and the transverse stirring fan form an included angle of 90 degrees.
2. The heat exchange device of polypropylene polymerizers capable of stirring uniformly according to claim 1, wherein: the transverse stirring fan forms a clamping structure with the side rotating shaft through a limiting clamping block, and a linear sliding block is rotatably arranged below the transverse stirring fan.
3. The heat exchange device of the polypropylene polymerizer capable of stirring uniformly according to claim 2, wherein: the linear sliding block and the polymerization kettle main body form a lifting structure through a transmission screw rod, and the thread directions of the upper section of the transmission screw rod and the lower section of the transmission screw rod are opposite.
4. The heat exchange device of polypropylene polymerizers capable of stirring uniformly according to claim 1, wherein: the top end of the longitudinal stirring fan is coaxially and fixedly provided with a longitudinal helical gear, and the longitudinal helical gear and the transverse helical gear form an engagement structure.
5. The heat exchange device of polypropylene polymerizers capable of stirring uniformly according to claim 1, wherein: the outer heat preservation that can play effective heat preservation effect that is provided with of outer clamp cover, just both sides are provided with the guard gate that can open around the outer clamp cover.
6. The heat exchange device of polypropylene polymerizers capable of stirring uniformly according to claim 5, wherein: the inside longitudinal symmetry of guard gate is provided with the radiator fan that can improve the cooling effect, just radiator fan rear side fixed mounting has the dirt screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122934159.9U CN216224405U (en) | 2021-11-26 | 2021-11-26 | Polypropylene polymeric kettle heat transfer device that can evenly stir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122934159.9U CN216224405U (en) | 2021-11-26 | 2021-11-26 | Polypropylene polymeric kettle heat transfer device that can evenly stir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216224405U true CN216224405U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122934159.9U Active CN216224405U (en) | 2021-11-26 | 2021-11-26 | Polypropylene polymeric kettle heat transfer device that can evenly stir |
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| Country | Link |
|---|---|
| CN (1) | CN216224405U (en) |
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2021
- 2021-11-26 CN CN202122934159.9U patent/CN216224405U/en active Active
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Address after: No. 186, Dawei East Road, Jiangbei new area, Nanjing, Jiangsu 210047 Patentee after: NANJING JINLING PLASTIC & PETROCHEMICAL CO.,LTD. Address before: 218899 No. 186, Dawei East Road, Jiangbei new district, Changzhou City, Jiangsu Province Patentee before: NANJING JINLING PLASTIC & PETROCHEMICAL CO.,LTD. |