CN215312041U - Graphene modified nylon 6 melting and mixing device - Google Patents
Graphene modified nylon 6 melting and mixing device Download PDFInfo
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- CN215312041U CN215312041U CN202120807727.6U CN202120807727U CN215312041U CN 215312041 U CN215312041 U CN 215312041U CN 202120807727 U CN202120807727 U CN 202120807727U CN 215312041 U CN215312041 U CN 215312041U
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- barrel body
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Abstract
The utility model relates to the technical field of graphene modified nylon processing equipment, in particular to a graphene modified nylon 6 melting and mixing device which comprises a barrel, a cover body used for sealing the barrel, a supporting barrel, a stirring barrel and a stirring device, wherein the heating process of a mixture of caprolactam monomers and graphene dispersion liquid is more uniform, stable and efficient, the melting mixture of caprolactam monomers and graphene dispersion liquid are forced to flow in the stirring barrel and an accommodating cavity under the driving of an upper leaf disc and a lower leaf disc, the mixing efficiency is improved, and meanwhile, the dispersion degree of graphene is further improved by utilizing the sputtering effect of the melting mixture sprayed onto a baffle disc from a through hole. Meanwhile, the evaporation of water in the graphene dispersion liquid is accelerated by utilizing the temperature of the molten mixture, and the dispersion uniformity of the graphene in the molten mixture is continuously improved while the water is removed.
Description
Technical Field
The utility model relates to the technical field of graphene modified nylon processing equipment, in particular to a graphene modified nylon 6 melting and mixing device.
Background
The method for preparing the graphene composite material mainly adopts graphene oxide or graphene and high molecules for compounding, and the compounding mode mainly comprises a solution blending method, a melt blending method and an in-situ polymerization method. Solution blending is preferred in terms of dispersibility, but involves the use of large amounts of toxic solvents, and ultimately a certain amount of organic solvent remains within the blend. The melt blending method is more excellent in commercial value, can achieve a good dispersion effect, and is wider in application.
The melt blending method is also a method for mixing caprolactam monomer and graphene in the manufacturing process of the graphene modified nylon 6. Caprolactam monomer stirs under high temperature melting state, mixes with graphite alkene dispersion, and nylon monomer viscosity is great after the melting, and the mobility is poor, is difficult to with graphite alkene misce bene.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the difficulty in uniformly mixing and dispersing a nylon monomer and graphene is high in the existing production process of graphene modified nylon 6, the utility model provides a graphene modified nylon 6 melting and mixing device.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a modified nylon 6 melt mixing device of graphite alkene, characterized by includes:
the heating device comprises a cylinder body, a heating layer is formed between the heat preservation layer and the inner layer, the bottom of the cylinder body is communicated with the heating layer and is provided with a hot oil inlet, the upper part of the side wall of the cylinder body is communicated with the heating layer and is provided with a hot oil outlet, an accommodating cavity is formed inside the inner layer, and the lower part of the side wall of the cylinder body is communicated with the accommodating cavity and is provided with a discharge hole;
the cover body is used for sealing the cylinder body and is hinged on the cylinder body, and a feed opening and an air outlet are formed in the cover body and communicated with the accommodating cavity;
the supporting cylinder is fixed in the middle of the cover body, the lower end of the supporting cylinder extends into the cover body, and a baffle disc is arranged at the lower end of the supporting cylinder;
the stirring barrel comprises an installation plate and a barrel body, the installation plate is fixed on the supporting barrel, the upper end of the barrel body is fixed with the installation plate and penetrates through the supporting barrel to extend into the accommodating cavity, through holes are uniformly distributed in the side wall of the barrel body, and the direction of the through holes is opposite to the baffle disc;
and the stirring device comprises a motor, a rotating shaft, an upper leaf disc and a lower leaf disc, the motor is fixed above the mounting plate, the rotating shaft is connected with the output end of the motor and stretches into the barrel body, the upper leaf disc and the lower leaf disc are fixed on the rotating shaft, the upper leaf disc is positioned in the barrel body, and the lower leaf disc is positioned outside the barrel body.
The heat conduction oil can be introduced into the heating layer, heat is transferred into the containing cavity through the inner layer, a mixture in the containing cavity is heated and melted, the motor drives the upper blade disc and the lower blade disc to slowly rotate, the mixture in the containing cavity is stirred, and temperature transfer is promoted. The heat preservation reduces the overflow of heat in the heating layer. When most of the mixture is melted, the motor drives the upper blade disc and the lower blade disc to rotate at a medium speed, the melted mixture is sucked into the stirring barrel and flows out through the upper through hole, the melted caprolactam monomer and the unmelted caprolactam monomer are promoted to be mixed, and the melting is accelerated. When the caprolactam monomer is completely melted, the motor drives the upper blade disc and the lower blade disc to rapidly rotate, the mixture of the melted caprolactam monomer and the graphene dispersion liquid is sprayed onto the baffle disc through the through hole and then redispersed and falls back into the containing cavity, so that the convection mixing is repeated, and the dispersion uniformity of the graphene in the melted caprolactam monomer is continuously improved. And meanwhile, the temperature in the accommodating cavity is heated to 100 ℃, so that the moisture in the graphene dispersion liquid is continuously evaporated and overflows from an air outlet at the upper part.
According to another embodiment of the utility model, the cover body is externally provided with a heat preservation cover. The heat in the containing cavity is reduced to overflow from the cover body, and the stability of the temperature of the molten mixture in the containing cavity is kept.
According to another embodiment of the utility model, the support cylinder is provided with a hot oil flow passage, an upper oil inlet and an upper oil outlet, and the upper oil inlet and the upper oil outlet are arranged in the radial direction at the side edge of the support cylinder. Be equipped with hot oil runner in the support cylinder, let in the conduction oil and heat the support cylinder when heating the barrel, improve the agitator programming rate simultaneously, prevent at last bladed disk and lower bladed disk intermediate speed rotatory, in the melting mixture is inhaled the agitator to when flowing through upper portion through-hole, low excessively because of the agitator temperature, the through-hole is blockked up to the melting mixture.
According to another embodiment of the present invention, the barrel further comprises a cover disposed inside the barrel, wherein the cover is disposed on the shaft and above the through hole. The baffle cover is arranged to prevent the mixture from sputtering to the upper part of the stirring barrel when the upper blade disc and the lower blade disc are started.
The method has the advantages that the heating process of the mixture of the caprolactam monomer and the graphene dispersion liquid is more uniform, stable and efficient, the molten mixture of the caprolactam monomer and the graphene dispersion liquid are forced to flow in the stirring barrel and the containing cavity under the driving of the upper leaf disc and the lower leaf disc, the mixing efficiency is improved, and meanwhile, the scattering degree of the graphene is further improved by the sputtering effect of the molten mixture sprayed onto the baffle disc from the through hole. Meanwhile, the evaporation of water in the graphene dispersion liquid is accelerated by utilizing the temperature of the molten mixture, and the dispersion uniformity of the graphene in the molten mixture is continuously improved while the water is removed.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
In the figure, a cylinder body 1, an insulating layer 101, a heating layer 102, a hot oil inlet 1021, a hot oil outlet 1022, an inner layer 103, a discharge port 1031, a containing cavity 104, a cover body 2, an insulating cover 201, a gas outlet 202, a feed inlet 203, a stirring barrel 3, a mounting plate 301, a barrel body 302, a through hole 303, a blocking cover 304, a stirring device 4, a motor 401, a rotating shaft 402, an upper leaf disc 403, a lower leaf disc 404, a supporting barrel 5, a hot oil flow passage 501, an upper oil inlet 502, an upper oil outlet 503 and a blocking disc 504.
Detailed Description
As shown in fig. 1-2, which is a schematic structural diagram of the present invention, a graphene modified nylon 6 melt-mixing device includes:
the heating device comprises a cylinder body 1, wherein the cylinder body 1 comprises an insulating layer 101 and an inner layer 103, a heating layer 102 is formed between the insulating layer 101 and the inner layer 103, the bottom of the cylinder body 1 is communicated with the heating layer 102 and is provided with a hot oil inlet 1021, the upper part of the side wall of the cylinder body 1 is communicated with the heating layer 102 and is provided with a hot oil outlet 1022, an accommodating cavity 104 is formed inside the inner layer 103, and the lower part of the side wall of the cylinder body 1 is communicated with the accommodating cavity 104 and is provided with a discharge hole 1031;
the cover body 2 is used for sealing the cylinder body 1, the cover body 2 is hinged on the cylinder body 1, and a feeding port 203 and an air outlet 202 are arranged on the cover body 2 and communicated with the accommodating cavity 104;
the supporting cylinder 5 is fixed in the middle of the cover body 2, the lower end of the supporting cylinder 5 extends into the cover body 2, and the lower end of the supporting cylinder 5 is provided with a baffle disc 504;
the stirring barrel 3 comprises a mounting plate 301 and a barrel body 302, the mounting plate 301 is fixed on the supporting barrel 5, the upper end of the barrel body 302 is fixed with the mounting plate 301 and extends into the accommodating cavity 104 through the supporting barrel 5, through holes 303 are uniformly distributed on the side wall of the barrel body 302, and the direction of the through holes 303 is opposite to the baffle disc 504;
and the stirring device 4 comprises a motor 401, a rotating shaft 402, an upper blade disc 403 and a lower blade disc 404, the motor 401 is fixed above the mounting plate 301, the rotating shaft 402 is connected with the output end of the motor 401 and extends into the barrel body 302, the upper blade disc 403 and the lower blade disc 404 are fixed on the rotating shaft 402, the upper blade disc 403 is positioned in the barrel body 302, and the lower blade disc 404 is positioned outside the barrel body 302.
Preferably, the hot oil outlets 1022 are uniformly distributed on the upper portion of the sidewall of the cylinder 1, so as to heat the temperature uniformity in the layer 102. The hot oil inlet 1021 is connected to an external electric heating oil circulation system, and heat conducting oil is input according to a set temperature and flows out from the hot oil outlet 1022. The mixing drum 3 and the mixing device 4 are detachable from the support cylinder 5. The baffle disc 504 is in an arc cover shape, the through hole 303 is a radial hole or an oblique hole formed in the stirring barrel 3, and when the molten mixture is ejected from the through hole 303, the molten mixture is blocked by the baffle disc 504 and splashed and falls back into the accommodating cavity 104.
Preferably, a heat preservation cover 201 is arranged outside the cover body 2.
Preferably, a hot oil flow passage 501, an upper oil inlet 502 and an upper oil outlet 503 are arranged in the support cylinder 5, and the upper oil inlet 502 and the upper oil outlet 503 are arranged along the radial direction at the side of the support cylinder 5. The upper oil inlet 502 is connected with an external electric heating oil circulation system, and heat conducting oil is input according to a set temperature and flows out from the upper oil outlet 503.
Preferably, a blocking cover 304 is arranged in the barrel body 302, and the blocking cover 304 is sleeved on the rotating shaft 402 and is located above the through hole 303.
When the graphene modified nylon 6 melt mixing device is used, caprolactam monomers and graphene dispersion liquid are sequentially added from the feeding port 203, then heat conduction oil is introduced from the hot oil inlet 1021, the heating layer 102 heats the inner layer 103 and the accommodating cavity 104, so that a mixture in the accommodating cavity 104 is heated and melted, the motor 401 drives the upper blade disc 403 and the lower blade disc 404 to slowly rotate, the mixture in the accommodating cavity 104 is stirred, and temperature transfer is promoted. The insulating layer 101 reduces the escape of heat within the heating layer 102.
When most of the mixture is melted, the motor 401 drives the upper blade disc 403 and the lower blade disc 404 to rotate at a medium speed, the melted mixture is sucked into the stirring barrel 3 and flows out through the upper through hole 303, the melted caprolactam monomer and the unmelted caprolactam monomer are promoted to be mixed, and the melting is accelerated.
When the caprolactam monomer is completely melted, the motor 401 drives the upper blade disc 403 and the lower blade disc 404 to rapidly rotate, the mixture of the melted caprolactam monomer and the graphene dispersion liquid is sprayed onto the baffle disc 504 through the through hole 303, and then the mixture is dispersed and falls back into the accommodating cavity 104, so that the stirring, convection and mixing are repeated, and the dispersion uniformity of the graphene in the melted caprolactam monomer is continuously improved. Meanwhile, the temperature in the accommodating cavity 104 is heated to 100 ℃, so that the moisture in the graphene dispersion liquid is continuously evaporated and overflows from the upper air outlet 202.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (4)
1. The utility model provides a modified nylon 6 melt mixing device of graphite alkene, characterized by includes:
the heating barrel comprises a barrel body (1), wherein the barrel body (1) comprises a heat insulation layer (101) and an inner layer (103), a heating layer (102) is formed between the heat insulation layer (101) and the inner layer (103), the bottom of the barrel body (1) is communicated with the heating layer (102) and is provided with a hot oil inlet (1021), the upper part of the side wall of the barrel body (1) is communicated with the heating layer (102) and is provided with a hot oil outlet (1022), an accommodating cavity (104) is formed inside the inner layer (103), and the lower part of the side wall of the barrel body (1) is communicated with the accommodating cavity (104) and is provided with a discharge hole (1031);
the cover body (2) is used for sealing the cylinder body (1), the cover body (2) is hinged to the cylinder body (1), and a feeding port (203) and an air outlet (202) are arranged on the cover body (2) and communicated with the accommodating cavity (104);
the supporting cylinder (5) is fixed in the middle of the cover body (2), the lower end of the supporting cylinder (5) extends into the cover body (2), and a baffle disc (504) is arranged at the lower end of the supporting cylinder (5);
the stirring barrel (3) comprises a mounting plate (301) and a barrel body (302), the mounting plate (301) is fixed on the supporting barrel (5), the upper end of the barrel body (302) is fixed with the mounting plate (301) and penetrates through the supporting barrel (5) to extend into the accommodating cavity (104), through holes (303) are uniformly distributed on the side wall of the barrel body (302), and the direction of the through holes (303) is just opposite to the baffle disc (504);
and agitating unit (4), agitating unit (4) include motor (401), pivot (402), go up bladed disk (403) and bladed disk (404) down, motor (401) are fixed in mounting panel (301) top, motor (401) output is connected in pivot (402) to stretch into staving (302), go up bladed disk (403) and bladed disk (404) down and fix on pivot (402), it is located staving (302) to go up bladed disk (403), bladed disk (404) is located outside staving (302) down.
2. The graphene modified nylon 6 melt-mixing device according to claim 1, wherein a heat-insulating cover (201) is arranged outside the cover body (2).
3. The graphene modified nylon 6 melt-mixing device according to claim 1, wherein the supporting cylinder (5) is internally provided with a hot oil flow passage (501), an upper oil inlet (502) and an upper oil outlet (503), and the upper oil inlet (502) and the upper oil outlet (503) are radially arranged on the side of the supporting cylinder (5).
4. The graphene modified nylon 6 melt-mixing device according to claim 1, wherein a blocking cover (304) is arranged in the barrel body (302), and the blocking cover (304) is sleeved on the rotating shaft (402) and is located above the through hole (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120807727.6U CN215312041U (en) | 2021-04-20 | 2021-04-20 | Graphene modified nylon 6 melting and mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120807727.6U CN215312041U (en) | 2021-04-20 | 2021-04-20 | Graphene modified nylon 6 melting and mixing device |
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| Publication Number | Publication Date |
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| CN215312041U true CN215312041U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120807727.6U Active CN215312041U (en) | 2021-04-20 | 2021-04-20 | Graphene modified nylon 6 melting and mixing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797621A (en) * | 2022-06-28 | 2022-07-29 | 江苏巨鑫磁业有限公司 | Bonded magnet mixed smelting equipment and using method thereof |
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2021
- 2021-04-20 CN CN202120807727.6U patent/CN215312041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797621A (en) * | 2022-06-28 | 2022-07-29 | 江苏巨鑫磁业有限公司 | Bonded magnet mixed smelting equipment and using method thereof |
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