CN210150995U - Dioctyl phthalate preparation facilities - Google Patents
Dioctyl phthalate preparation facilities Download PDFInfo
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- CN210150995U CN210150995U CN201920150021.XU CN201920150021U CN210150995U CN 210150995 U CN210150995 U CN 210150995U CN 201920150021 U CN201920150021 U CN 201920150021U CN 210150995 U CN210150995 U CN 210150995U
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- neutralization
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Abstract
The utility model discloses a dioctyl phthalate preparation facilities, filter cauldron, strip tower and drying tower including dealcoholization tower, neutralization cauldron, dehydration tower, crude ester, the lower extreme surface of neutralization cauldron is close to the edge and is provided with the supporting legs, the lower extreme of supporting legs is provided with the base, the upper end of neutralization cauldron is provided with the top cap, the upper end surface of top cap is provided with the top support, the upper end of top support is provided with the reduction gear. The utility model has the advantages that: the temperature of the alkali liquor can be controlled in the neutralization process, the alkali liquor is uniformly injected into the neutralization kettle, the prepared dioctyl phthalate has the advantages of short forming period, good rigidity and heat resistance in the plasticizing process of later-stage material production, and the drying tower can be uniformly heated so as to improve the production efficiency and bring better use prospect.
Description
Technical Field
The utility model relates to a chemical product processing technology field specifically is a dioctyl phthalate preparation facilities.
Background
Dioctyl phthalate is a general plasticizer, is mainly used for processing polyvinyl chloride, can also be used for processing high polymers such as chemical resin, acetate resin, ABS resin, rubber and the like, can also be used for making paint, dye, dispersant and the like, and DOP plasticized PVC can be used for manufacturing artificial leather, agricultural films, packaging materials and cables.
The existing dioctyl phthalate preparation device performs neutralization after dealcoholization of esterified materials, when alkali liquor is added, the temperature of the alkali liquor is lower, the neutralization reaction inside a neutralization kettle is influenced, the reaction efficiency is reduced, secondly, the alkali liquor is directly injected into the neutralization kettle when the alkali liquor is added, the uniform spraying cannot be realized, the neutralization is not favorably realized, in addition, the problems of long forming period and poor rigidity and heat-resistant deformation performance exist in the plasticizing process of later-stage material production of the obtained dioctyl phthalate, and finally, in the drying process, the drying tower cannot be uniformly heated, so that the drying speed is reduced, the production efficiency is influenced, and the dioctyl phthalate preparation device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in and the unable accuse temperature of in-process alkali lye, and the injection of alkali lye is even inadequately, and the dioctyl phthalate that makes is poor in the plastification in-process shaping cycle length, rigidity and the heat resistance of back stage material production, and the drying tower can not carry out the even heating and reduce production efficiency's problem.
The utility model discloses a following technical scheme solves above-mentioned technical problem: the dioctyl phthalate preparation device comprises a dealcoholization tower, a neutralization kettle, a dehydration tower, a crude ester filtering kettle, a stripping tower and a drying tower, wherein supporting legs are arranged on the lower end surface of the neutralization kettle close to the edge, a base is arranged at the lower ends of the supporting legs, a top cover is arranged at the upper end of the neutralization kettle, a top support is arranged on the upper end surface of the top cover, a speed reducer is arranged at the upper end of the top support, a stirring rod is arranged on the lower end surface of the speed reducer, a first heating pipe is arranged on the inner side surface of the neutralization kettle, a spray nozzle is arranged on the lower end surface of the top cover, a support frame is arranged on the upper end surface of the base, a storage box is arranged on the upper end surface of the support frame, a control panel is arranged on the front end surface of the storage box, a vacuum pump is arranged on the, and a water storage sleeve is arranged on the surface of the drying tower close to the lower end.
Preferably, the discharging pipe is arranged on the surface of the lower end of the neutralization kettle, the supporting legs are fixedly connected with the base and the neutralization kettle, the supporting legs are arranged in a plurality of groups, the supporting legs are arranged in an array, and the base is fixedly connected with the supporting frame.
Preferably, the upper end surface of top cap is provided with fastening screw near the edge, through fastening screw fixed connection between top cap and the neutralization kettle, fastening screw's quantity is a plurality of groups, fastening screw is annular array and arranges.
Preferably, one side that the upper end surface of top cap is close to the top support is provided with the feed inlet, be fixed connection between reduction gear and the top support, the upper end of reduction gear is provided with the motor, the input port of motor and control panel's output port electric connection, be swing joint between reduction gear and motor and the stirring rod.
Preferably, the surface of stirring rod is provided with the stirring leaf, the quantity of stirring leaf is a plurality of groups, the stirring leaf is the annular array and arranges, be provided with the connection bearing between the lower extreme of stirring rod and the inboard of neutralization kettle, be swing joint between stirring rod and the neutralization kettle.
Preferably, the number of the first heating pipes is a plurality of groups, the first heating pipes are fixedly connected with the neutralization kettle, the first heating pipes are arranged in an array, and the input ports of the first heating pipes are electrically connected with the output port of the control panel.
Preferably, the storage box is fixedly connected with the support frame, a supplement port is arranged on the upper end surface of the storage box, the supplement port penetrates through the upper end surface of the storage box, the second heating pipe is fixedly connected with the storage box, and an input port of the second heating pipe is electrically connected with an output port of the control panel.
Preferably, connecting pipelines are arranged between the vacuum pump and the top cover and between the vacuum pump and the storage box, the connecting pipelines penetrate through the upper end surfaces of the top cover and the storage box, the upper end of the spray head is communicated with the connecting pipelines, and the input port of the vacuum pump is electrically connected with the output port of the control panel.
Preferably, the water storage sleeve is sleeved on the surface of the drying tower, a water injection pipe is arranged on one side surface of the water storage sleeve, a drain pipe is arranged on the other side surface of the water storage sleeve opposite to one side of the water injection pipe, and the water injection pipe and the drain pipe both penetrate through the surface of the water storage sleeve.
Compared with the prior art, the utility model provides a dioctyl phthalate preparation facilities possesses following beneficial effect:
1. this dioctyl phthalate preparation facilities, through the effect of second heating pipe and storage box, cooperation control panel adds lye to the storage box by the replenishment mouth in the neutralization process, heats lye through control panel control second heating pipe for lye possesses certain temperature when injecting into the neutralization cauldron inside, is favorable to going on of neutralization process, improves the speed of neutralization reaction.
2. This dioctyl phthalate preparation facilities, effect through shower nozzle and connecting tube, cooperation vacuum pump and control panel, in the neutralization process, open the vacuum pump through control panel, pass through connecting tube with the inside alkali lye of storage box and carry to shower nozzle department, the shower nozzle is even with alkali lye spill inside the neutralization kettle, carry out neutralization reaction with crude ester, the stirring rod rotates with the stirring leaf, mix buck and crude ester, be favorable to the even interpolation of alkali lye and mix with crude ester.
3. This dioctyl phthalate preparation facilities through adding 0.2-0.5% part of nucleating agent in the neutralization reaction in the neutralization kettle, can change the crystallization behavior of ester, accelerate crystallization rate, increase crystallization density and impel the grain size micronization, be favorable to making the dioctyl phthalate that finally prepares to obtain in the plastification process that applies to later stage material production, possess the advantage that the molding cycle is short, rigidity and thermal deformation resistance are better.
4. This dioctyl phthalate preparation facilities, through the effect of retaining cover, cooperation water injection pipe and drain pipe, carrying out the drying process with the material in, put into the drying tower with the material, take out into the vacuum with the drying tower, make the moisture content evaporation in the material, pour into hot water into through the water injection pipe in to retaining cover for the drying tower is close to the part thermally equivalent that the retaining cover is inboard, accelerate the evaporation of moisture content, unnecessary water is discharged from the drain pipe, be favorable to going on fast of drying process, improve production efficiency.
Drawings
FIG. 1 is a working schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the structural neutralization kettle of the present invention;
FIG. 3 is a schematic view of a part of the structure of the structural neutralization kettle of the present invention;
fig. 4 is a schematic sectional view of a in fig. 3 of the present invention;
FIG. 5 is a schematic sectional view of the structure of the neutralization kettle of the present invention;
fig. 6 is a schematic view of the overall structure of the structural drying tower of the present invention.
In the figure: 1. a dealcoholization tower; 2. a neutralization kettle; 3. a discharge pipe; 4. supporting legs; 5. a base; 6. a top cover; 7. fastening screws; 8. a feed inlet; 9. a top support; 10. a speed reducer; 11. an electric motor; 12. A stirring rod; 13. stirring blades; 14. connecting a bearing; 15. a first heating pipe; 16. a spray head; 17. a support frame; 18. a storage box; 19. a control panel; 20. a refill port; 21. a vacuum pump; 22. connecting a pipeline; 23. a second heating pipe; 24. a dehydration tower; 25. a crude ester filtration kettle; 26. a stripping column; 27. a drying tower; 28. a water storage jacket; 29. a water injection pipe; 30. and a water discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, a dioctyl phthalate preparation apparatus comprises a dealcoholization tower 1, a neutralization kettle 2, a dehydration tower 24, a crude ester filtration kettle 25, a stripping tower 26 and a drying tower 27, wherein a supporting leg 4 is arranged on the lower end surface of the neutralization kettle 2 near the edge, the supporting leg 4 is arranged on a base 5, a top cover 6 is arranged at the upper end of the neutralization kettle 2, a top support 9 is arranged on the upper end surface of the top cover 6, a speed reducer 10 is arranged at the upper end of the top support 9, a stirring rod 12 is arranged on the lower end surface of the speed reducer 10, a first heating pipe 15 is arranged on the inner side surface of the neutralization kettle 2, a spray head 16 is arranged on the lower end surface of the top cover 6, a support frame 17 is arranged on the upper end surface of the base 5, a storage box 18 is arranged on the upper end surface of the support frame 17, a control panel, the inside surface of the storage tank 18 is provided with the second heating pipe 23, and a portion of the surface of the drying tower 27 near the lower end is provided with a water storage jacket 28.
Referring to fig. 2, the discharging pipe 3 is arranged on the lower end surface of the neutralization kettle 2, the supporting legs 4 are fixedly connected with the base 5 and the neutralization kettle 2, the supporting legs 4 are arranged in a plurality of groups, the supporting legs 4 are arranged in an array manner, the base 5 is fixedly connected with the supporting frame 17, and the plurality of groups of supporting legs 4 ensure that the neutralization kettle 2 is kept stable when placed.
The upper end surface of top cap 6 is provided with fastening screw 7 near the edge, through fastening screw 7 fixed connection between top cap 6 and the neutralization kettle 2, and the quantity of fastening screw 7 is a plurality of groups, and fastening screw 7 is the annular array and arranges, is convenient for open top cap 6 through unscrewing fastening screw 7.
The feeding hole 8 is formed in one side, close to the top support 9, of the upper end surface of the top cover 6, the speed reducer 10 is fixedly connected with the top support 9, the motor 11 is arranged at the upper end of the speed reducer 10, an input port of the motor 11 is electrically connected with an output port of the control panel 19, the speed reducer 10, the motor 11 and the stirring rod 12 are movably connected, and the model of the motor 11 is Y315S-2.
Stirring leaf 13 is provided with on the surface of stirring rod 12, and the quantity of stirring leaf 13 is a plurality of groups, and stirring leaf 13 is the annular array and arranges, is provided with connecting bearing 14 between the lower extreme of stirring rod 12 and the inboard of neutralization kettle 2, is swing joint between stirring rod 12 and the neutralization kettle 2, ensures that stirring rod 12 can rotate.
The number of the first heating pipes 15 is a plurality of groups, the first heating pipes 15 are fixedly connected with the neutralization kettle 2, the first heating pipes 15 are arranged in an array, an input port of each first heating pipe 15 is electrically connected with an output port of the control panel 19, and the type of each first heating pipe 15 is 3D-HM80DI (E).
Referring to fig. 4, the storage box 18 is fixedly connected to the support frame 17, a supplement port 20 is disposed on an upper end surface of the storage box 18, the supplement port 20 penetrates through the upper end surface of the storage box 18, the second heating pipe 23 is fixedly connected to the storage box 18, an input port of the second heating pipe 23 is electrically connected to an output port of the control panel 19, the second heating pipe 23 is 3D-HM60EII (E), and the control panel 19 is R215-7.
Connecting pipelines 22 are arranged between the vacuum pump 21 and the top cover 6 and between the vacuum pump 21 and the storage box 18, the connecting pipelines 22 penetrate through the upper end surfaces of the top cover 6 and the storage box 18, the upper end of the spray head 16 is communicated with the connecting pipelines 22, an input port of the vacuum pump 21 is electrically connected with an output port of the control panel 19, and the vacuum pump 21 is of a BYWYZ-300 type.
Referring to fig. 6, the water storage jacket 28 is sleeved on the surface of the drying tower 27, a water injection pipe 29 is disposed on one side surface of the water storage jacket 28, a water discharge pipe 30 is disposed on the other side surface of the water storage jacket 28 opposite to one side of the water injection pipe 29, both the water injection pipe 29 and the water discharge pipe 30 penetrate through the surface of the water storage jacket 28, and the drying tower 27 can be heated by the water storage jacket 28.
The utility model relates to an embodiment of dioctyl phthalate preparation facilities, specific working process is as follows:
a. putting the esterified material into a dealcoholization tower 1, dealcoholizing to obtain crude ester, condensing the dealcoholized crude ester, and temporarily storing;
b. injecting crude ester into the neutralization kettle 2 from a feed inlet 8, adding 0.2-0.5% of nucleating agent, starting a vacuum pump 21 by a user through a control panel 19, sending alkali liquor into the neutralization kettle 2 from a spray head 16 through a connecting pipeline 22 under the action of the vacuum pump 21, rotating a stirring rod 12 by a motor 11 through a speed reducer 10, fully mixing the mixed liquor by matching with a stirring blade 13, and separating water from the crude ester after being taken out from a discharge pipe 3;
c. placing the dehydrated crude ester into a dehydrating tower 24, vacuumizing the dehydrating tower 24 for dehydrating and dealcoholizing, and taking out the crude ester for condensation after the dehydration and dealcoholizing are finished;
d. adding the condensed crude ester into a crude ester filtering kettle 25, filtering the crude ester, and then temporarily storing the obtained material;
e. heating the material in the stripping tower 26, performing a stripping process, and taking out the material stored at the bottom of the stripping tower 26;
f. and adding the taken materials into the drying tower 27, vacuumizing the inside of the drying tower 27, adding water into a water injection pipe 29 to ensure that the water storage sleeve 28 plays a heat preservation role on the drying tower 27, pumping the taken gas into the stripping tower 26 again, and after drying is finished, taking the materials out and filtering the materials by using activated carbon to obtain a finished product.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a dioctyl phthalate preparation facilities, includes dealcoholize tower (1), neutralization kettle (2), dehydration tower (24), crude ester filter kettle (25), stripper (26) and drying tower (27), its characterized in that: the lower end surface of the neutralization kettle (2) is provided with supporting legs (4) close to the edge, the lower ends of the supporting legs (4) are provided with a base (5), the upper end of the neutralization kettle (2) is provided with a top cover (6), the upper end surface of the top cover (6) is provided with a top support (9), the upper end of the top support (9) is provided with a speed reducer (10), the lower end surface of the speed reducer (10) is provided with a stirring rod (12), the inner side surface of the neutralization kettle (2) is provided with a first heating pipe (15), the lower end surface of the top cover (6) is provided with a spray head (16), the upper end surface of the base (5) is provided with a support frame (17), the upper end surface of the support frame (17) is provided with a storage box (18), the front end surface of the storage box (18) is provided with a control panel (19), the, the inner side surface of the storage box (18) is provided with a second heating pipe (23), and the surface of the drying tower (27) close to the lower end is provided with a water storage sleeve (28).
2. The dioctyl phthalate manufacturing apparatus according to claim 1, wherein: the lower extreme surface of neutralization cauldron (2) is provided with discharging pipe (3), be fixed connection between supporting legs (4) and base (5) and neutralization cauldron (2), the quantity of supporting legs (4) is a plurality of groups, supporting legs (4) are the array and arrange, be fixed connection between base (5) and support frame (17).
3. The dioctyl phthalate manufacturing apparatus according to claim 1, wherein: the upper end surface of top cap (6) is close to the edge and is provided with fastening screw (7), through fastening screw (7) fixed connection between top cap (6) and neutralization kettle (2), the quantity of fastening screw (7) is a plurality of groups, fastening screw (7) are annular array and arrange.
4. The dioctyl phthalate manufacturing apparatus according to claim 1, wherein: one side that the upper end surface of top cap (6) is close to top support (9) is provided with feed inlet (8), be fixed connection between reduction gear (10) and top support (9), the upper end of reduction gear (10) is provided with motor (11), the input port of motor (11) and the output port electric connection of control panel (19), be swing joint between reduction gear (10) and motor (11) and puddler (12).
5. The dioctyl phthalate manufacturing apparatus according to claim 1, wherein: the surface of stirring rod (12) is provided with stirring leaf (13), the quantity of stirring leaf (13) is a plurality of groups, stirring leaf (13) are the annular array and arrange, be provided with between the lower extreme of stirring rod (12) and the inboard of neutralization kettle (2) and connect bearing (14), be swing joint between stirring rod (12) and neutralization kettle (2).
6. The dioctyl phthalate manufacturing apparatus according to claim 1, wherein: the quantity of first heating pipe (15) is a plurality of groups, be fixed connection between first heating pipe (15) and neutralization kettle (2), first heating pipe (15) are the array and arrange, the input port of first heating pipe (15) and the output port electric connection of control panel (19).
7. The dioctyl phthalate manufacturing apparatus according to claim 1, wherein: the heating device is characterized in that the storage box (18) is fixedly connected with the support frame (17), a supplement opening (20) is formed in the upper end surface of the storage box (18), the supplement opening (20) penetrates through the upper end surface of the storage box (18), the second heating pipe (23) is fixedly connected with the storage box (18), and the input port of the second heating pipe (23) is electrically connected with the output port of the control panel (19).
8. The dioctyl phthalate manufacturing apparatus according to claim 1, wherein: all be provided with connecting tube (22) between vacuum pump (21) and top cap (6) and storage box (18), connecting tube (22) run through in the upper end surface of top cap (6) and storage box (18), link up each other between the upper end of shower nozzle (16) and connecting tube (22), the input port of vacuum pump (21) and the output port electric connection of control panel (19).
9. The dioctyl phthalate manufacturing apparatus according to claim 1, wherein: the surface of drying tower (27) is overlapped in water storage cover (28), one side surface of water storage cover (28) is provided with water injection pipe (29), one side of the opposite side surface of water storage cover (28) for water injection pipe (29) is provided with drain pipe (30), water injection pipe (29) and drain pipe (30) all run through in the surface of water storage cover (28).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920150021.XU CN210150995U (en) | 2019-01-29 | 2019-01-29 | Dioctyl phthalate preparation facilities |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920150021.XU CN210150995U (en) | 2019-01-29 | 2019-01-29 | Dioctyl phthalate preparation facilities |
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| CN210150995U true CN210150995U (en) | 2020-03-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678712A (en) * | 2019-01-29 | 2019-04-26 | 安徽力天环保科技股份有限公司 | A kind of dioctyl phthalate preparation facilities and preparation method thereof |
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- 2019-01-29 CN CN201920150021.XU patent/CN210150995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678712A (en) * | 2019-01-29 | 2019-04-26 | 安徽力天环保科技股份有限公司 | A kind of dioctyl phthalate preparation facilities and preparation method thereof |
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