CN216972392U - Polymer material devolatilization device - Google Patents
Polymer material devolatilization device Download PDFInfo
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- CN216972392U CN216972392U CN202122710374.0U CN202122710374U CN216972392U CN 216972392 U CN216972392 U CN 216972392U CN 202122710374 U CN202122710374 U CN 202122710374U CN 216972392 U CN216972392 U CN 216972392U
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Abstract
The utility model provides a devolatilization device for high-molecular polymer materials, which comprises a feeding mechanism, a heating module, a raw material temporary storage mechanism and a vacuum devolatilization mechanism, wherein the feeding mechanism is communicated with the feeding mechanism, the feeding mechanism is used for transmitting polymers to the feeding mechanism, the heating module is used for heating the polymers in the feeding mechanism, the feeding mechanism is communicated with the raw material temporary storage mechanism, the feeding mechanism transmits the heated polymers to the raw material temporary storage mechanism, the raw material temporary storage mechanism is communicated with the vacuum devolatilization mechanism, the raw material temporary storage mechanism is used for transmitting the polymers to the vacuum devolatilization mechanism, and the vacuum devolatilization mechanism is used for vacuumizing the polymers. The utility model has the beneficial effects that: the devolatilization device for the high polymer materials has the advantages of high timeliness, high devolatilization speed, high efficiency, energy conservation, stable quality, simple maintenance, continuous production and good economic benefit, and the material is heated by adopting an infrared heating mode, which belongs to the domestic initiative.
Description
Technical Field
The utility model relates to the technical field of electromechanics, in particular to a high-molecular polymer material devolatilization device which can be applied to the fields of polymer processing, environmental protection recovery, food processing and the like.
Background
In the powder/pellet of a polymerization product such as pp.pe.pc, there are often residual solvents and volatile matters such as unreacted monomers, and for example, newly purchased automobiles always emit some pungent taste, which is related to residual VOC (volatile organic compounds) in interior plastics. This problem must be solved by removing the residual VOC before the plastic is formed, and the usual solution to this problem is to degas the raw material. The existing device has the problems of high energy consumption, low efficiency, discontinuous production, high operation cost of customers, unstable devolatilization quality, high residue and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a devolatilization device for high polymer materials, which has the advantages of high timeliness, high devolatilization speed, high efficiency, energy conservation, stable quality, simple maintenance, continuous production and good economic benefit.
The utility model provides a devolatilization device for high molecular polymer materials, which comprises a feeding mechanism, a heating module, a raw material temporary storage mechanism and a vacuum devolatilization mechanism, wherein the feeding mechanism is communicated with the feeding mechanism, the feeding mechanism is used for conveying polymers to the feeding mechanism, the heating module is used for heating the polymers in the feeding mechanism, the feeding mechanism is communicated with the raw material temporary storage mechanism, the feeding mechanism is used for conveying the heated polymers to the raw material temporary storage mechanism, the raw material temporary storage mechanism is communicated with the vacuum devolatilization mechanism, the raw material temporary storage mechanism is used for conveying the polymers to the vacuum devolatilization mechanism, and the vacuum devolatilization mechanism is used for vacuumizing the polymers.
As a further improvement of the utility model, the feeding mechanism comprises a feeding hopper, a material barrel and a first driving mechanism, wherein the feeding hopper is communicated with the material barrel, the polymer falls into the material barrel through the feeding hopper, and the first driving mechanism is used for conveying the material in the material barrel to the feeding mechanism.
As a further improvement of the present invention, the first driving mechanism includes a first driving motor and a feeding screw, the feeding screw is located in the charging barrel, the first driving motor is connected to the feeding screw, the first driving motor is used for driving the feeding screw to rotate, and the feeding hopper is located above the charging barrel.
As a further improvement of the utility model, the feeding mechanism comprises a feeding material barrel, a feeding screw groove and a second driving mechanism, wherein the feeding screw groove is installed in the feeding material barrel, the material barrel is communicated with the feeding material barrel, and the second driving mechanism is used for driving the feeding material barrel to rotate.
As a further improvement of the present invention, the second driving mechanism includes a second driving motor and a transmission mechanism, and the second driving motor drives the feed cylinder to rotate through the transmission mechanism.
As a further improvement of the utility model, the feeding mechanism further comprises an insulating layer and an insulating shell, wherein the insulating shell is mounted on the outer surface of the feeding barrel, and the insulating layer is positioned between the outer surface of the feeding barrel and the inner surface of the insulating shell.
As a further improvement of the present invention, the heating module includes a light-transmitting housing, and an infrared heating lamp and a reflector plate located in the light-transmitting housing, the light-transmitting housing is installed in the feeding cylinder, and light emitted by the infrared heating lamp irradiates the polymer in the feeding cylinder through the reflector plate.
As a further improvement of the utility model, the heating module further comprises a sensor cooling module, and the sensor cooling module is used for cooling the reflector, the light-transmitting shell and the infrared heating lamp tube.
As a further improvement of the utility model, the raw material temporary storage mechanism comprises a raw material temporary storage tank, a blanking valve, a first pipeline and a second pipeline, wherein the raw material temporary storage tank is positioned below the feeding charging barrel, and an input port of the raw material temporary storage tank is communicated with an output port of the feeding charging barrel through the first pipeline; the delivery outlet of the raw material temporary storage tank is communicated with the vacuum devolatilization mechanism through the second pipeline, and the blanking valve is installed on the second pipeline.
As a further improvement of the utility model, the raw material temporary storage mechanism also comprises a heat tracing mechanism for preserving the heat of the raw material temporary storage tank.
As a further improvement of the utility model, the vacuum devolatilization mechanism comprises a vacuum tank, a vacuum pump and a vacuum pumping pipeline, wherein the vacuum tank is positioned below the raw material temporary storage tank, an output port of the raw material temporary storage tank is communicated with an input port of the vacuum tank through the second pipeline, one end of the vacuum pumping pipeline is communicated with the vacuum pump, the other end of the vacuum pumping pipeline is communicated with the vacuum tank, the vacuum pump is started, the vacuum tank is vacuumized through the vacuum pumping pipeline, polymers are pumped away, and the VOC is volatile organic compounds.
As a further improvement of the utility model, the vacuum devolatilization mechanism further comprises a back washing pipeline and a first valve, wherein the back washing pipeline is communicated with the vacuum tank, the first valve is arranged on the back washing pipeline, and when the vacuum devolatilization mechanism is used, air enters the vacuum tank from the back washing pipeline to wash the polymer and take away the VOC.
The beneficial effects of the utility model are: the devolatilization device for the high polymer materials has the advantages of high timeliness, high devolatilization speed, high efficiency, energy conservation, stable quality, simple maintenance, continuous production and good economic benefit, and the material is heated by adopting an infrared heating mode, which belongs to the domestic initiative.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
As shown in fig. 1, the utility model discloses a devolatilization device for high molecular polymer materials, which comprises a feeding mechanism, a heating module, a raw material temporary storage mechanism and a vacuum devolatilization mechanism, wherein the feeding mechanism is communicated with the feeding mechanism, the feeding mechanism is used for conveying polymers to the feeding mechanism, the heating module is used for heating polymers in the feeding mechanism, the feeding mechanism is communicated with the raw material temporary storage mechanism, the feeding mechanism is used for conveying the heated polymers to the raw material temporary storage mechanism, the raw material temporary storage mechanism is communicated with the vacuum devolatilization mechanism, the raw material temporary storage mechanism is used for conveying polymers to the vacuum devolatilization mechanism, and the vacuum devolatilization mechanism is used for vacuumizing polymers.
The feeding mechanism comprises a feeding hopper 11, a barrel 12 and a first driving mechanism, wherein the feeding hopper 11 is communicated with the barrel 12, the polymer falls into the barrel 12 through the feeding hopper 11, and the first driving mechanism is used for conveying the material in the barrel 12 to the feeding mechanism.
The driving mode of the first driving mechanism includes, but is not limited to, motor driving, hydraulic driving, pneumatic driving, animal driving, and the like. As a preferred embodiment of the utility model, the first driving mechanism comprises a first driving motor 13 and a feeding screw blade 14, the feeding screw blade 14 is positioned in the barrel 12, the first driving motor 13 is connected with the feeding screw blade 14, and the first driving motor 13 is used for driving the feeding screw blade 14 to rotate.
The feeding hopper 11 and the charging barrel 12 are respectively fixed on the bracket, and the feeding hopper 11 and the charging barrel 12 are connected through a hose. The first driving motor 13 is directly connected with the feeding screw blade 14 and then the feeding screw blade 14 is loaded into the charging barrel 12, and the first driving motor 13 and the feeding screw blade 14 are fixedly connected with a charging barrel flange through a speed reducer flange. The feeding hopper 11 is positioned above the charging barrel 12, the polymer in the feeding hopper 11 falls into the charging barrel 12 by gravity, and the first driving motor 13 drives the feeding screw blades 14 to feed materials by friction transmission according to requirements.
The feeding mechanism comprises a feeding barrel 21, a feeding screw groove 22 and a second driving mechanism, wherein the feeding screw groove 22 is installed in the feeding barrel 21, the barrel 12 is communicated with the feeding barrel 21, and the second driving mechanism is used for driving the feeding barrel 21 to rotate.
The driving mode of the second driving mechanism includes, but is not limited to, motor driving, hydraulic driving, pneumatic driving, animal driving, etc. As a preferred embodiment of the present invention, the second driving mechanism includes a second driving motor 23 and a transmission mechanism 24, and the second driving motor 23 drives the feed cylinder 21 to rotate through the transmission mechanism 24.
The feeding mechanism further comprises an insulating layer 25 and an insulating shell 26, wherein the insulating shell 26 is mounted on the outer surface of the feeding barrel 21, and the insulating layer 25 is positioned between the outer surface of the feeding barrel 21 and the inner surface of the insulating shell 26.
The second drive motor 23 and the transmission mechanism 24 drive the feed cylinder 21 and the protective housing 26 to rotate by friction transmission. The charging barrel 12 is communicated with the feeding charging barrel 21, after the polymer enters the feeding charging barrel 21 through spiral feeding, the second driving motor 23 drives the feeding charging barrel 21 and the protective shell 26 to rotate through the transmission mechanism 24 and simultaneously drives the feeding screw groove 22 to rotate, the polymer is pushed forwards along with the tangent line of the rotating feeding screw groove 22, and meanwhile, the heat-insulating layer 25 and the heat-insulating shell 26 can well reduce heat loss. The feeding mechanism automatically adjusts the feeding speed according to different polymers and capacity requirements, and the energy efficiency is high.
The feed screw 22 uses a baffle to stir the polymer and heat the polymer uniformly.
The heating module includes, but is not limited to, infrared heating, hot air blower heating, stirring heating, steam heating, etc. as a preferred embodiment of the present invention, the heating module includes a light-transmitting housing 31, and an infrared heating lamp tube 32 and a reflector 33 located inside the light-transmitting housing 31, the light-transmitting housing 31 is installed inside the feed cylinder 21, and light emitted from the infrared heating lamp tube 32 is irradiated by the reflector 33 or irradiated by a polymer inside the feed cylinder 21 with a reflective film.
The heating module further comprises a sensor cooling module 34, and the sensor cooling module 34 is used for cooling the reflector 33, the light-transmitting shell 31 and the infrared heating lamp tube 32.
The infrared heating lamp 32 adopts an integral drawing design, so that the damaged lamp can be conveniently replaced.
The heating module provides energy for the polymer in the feeding charging barrel 21 through irradiation, so that the heating is uniform, the product quality is stable, the continuous operation is realized, and the sensor cooling module 34 cools the reflector 33, the light-transmitting shell 31 and the infrared heating lamp tube 32, protects the electrical components and avoids partial particles from being touched.
The raw material temporary storage mechanism comprises a raw material temporary storage tank 41, a blanking valve 42, a first pipeline 43 and a second pipeline 44, wherein the raw material temporary storage tank 41 is positioned below the feeding charging barrel 21, and an input port of the raw material temporary storage tank 41 is communicated with an output port of the feeding charging barrel 21 through the first pipeline 43; the output port of the raw material temporary storage tank 41 is communicated with the vacuum devolatilization mechanism through the second pipeline 44, and the blanking valve 42 is installed on the second pipeline 44.
The raw material temporary storage mechanism further comprises a heat tracing mechanism 45 for keeping the raw material temporary storage tank 41 warm, and the heat tracing mode of the heat tracing mechanism 45 comprises but is not limited to heat tracing band heat preservation, hot water heat preservation, steam heat preservation, grease heat preservation, heat preservation and the like.
The polymer enters the raw material temporary storage tank 41 for standby treatment through any one of the blanking modes of gravity blanking, vibration feeding, spiral feeding or pneumatic conveying feeding, and the like, and after reaching the specified treatment capacity, the blanking valve 42 is opened to enter the vacuum devolatilization mechanism for batch devolatilization treatment.
The vacuum devolatilization mechanism carries out repeated vacuum pumping treatment, and volatile molecules released on the surface of the heated polymer are discharged in a vacuum pumping mode; the vacuumizing mode comprises but is not limited to a vacuum pump, a vacuum generator, a fan and the like; as a preferred embodiment of the present invention, the vacuum devolatilization mechanism comprises a vacuum tank 51, a vacuum pump 52, and a vacuuming pipeline 53, wherein the vacuum tank 51 is located below the raw material temporary storage tank 41, an output port of the raw material temporary storage tank 41 is communicated with an input port of the vacuum tank 51 through the second pipeline 44, one end of the vacuuming pipeline 53 is communicated with the vacuum pump 52, the other end of the vacuuming pipeline 53 is communicated with the vacuum tank 51, the vacuum pump 52 is started, the vacuum tank 51 is vacuumized through the vacuuming pipeline 53, and the polymer VOC is removed, where the VOC is a volatile organic compound.
The vacuum devolatilization mechanism further comprises a back-flushing pipeline 54 and a first valve 55, wherein the back-flushing pipeline 54 is communicated with the vacuum tank 51, the first valve 55 is installed on the back-flushing pipeline 54, and when the vacuum devolatilization mechanism is used, air enters the vacuum tank 51 from the back-flushing pipeline 54 to flush polymers and take away VOC.
During operation, the polymer of raw materials temporary storage tank 41 passes through gravity blanking and gets into behind the vacuum tank 51, starts vacuum pump 52, through evacuation pipeline 53 is right vacuum tank 51 evacuation is taken away polymer VOC, and VOC is volatile organic compound. After reaching the designated vacuum degree, the first valve 55 of the back flush pipeline 54 is opened to break the vacuum, and air enters the vacuum tank 51 from the back flush pipeline 55 to flush the polymer and take away the VOC. And removing the residual VOC through multiple vacuumizing and vacuum breaking operations.
The second valve 56 is provided in the evacuation line 53, and the third valve 57 is provided in the line of the output port of the vacuum tank 51.
The utility model has the following beneficial effects:
1. high timeliness and high devolatilization speed.
2. Continuous batch devolatilization process, high production efficiency and low energy consumption.
3. The devolatilization quality is stable.
4. Can be directly connected with the extrusion line.
5. No residual VOC.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.
Claims (12)
1. A devolatilization device for high molecular polymer materials is characterized in that: the feeding mechanism is communicated with the feeding mechanism, the feeding mechanism is used for conveying polymers to the feeding mechanism, the heating module is used for heating the polymers in the feeding mechanism, the feeding mechanism is communicated with the raw material temporary storage mechanism, the feeding mechanism is used for conveying the heated polymers to the raw material temporary storage mechanism, the raw material temporary storage mechanism is communicated with the vacuum devolatilization mechanism, the raw material temporary storage mechanism is used for conveying the polymers to the vacuum devolatilization mechanism, and the vacuum devolatilization mechanism is used for vacuumizing the polymers.
2. The devolatilization apparatus as claimed in claim 1, wherein: the feeding mechanism comprises a feeding hopper (11), a material barrel (12) and a first driving mechanism, wherein the feeding hopper (11) is communicated with the material barrel (12), a polymer passes through the feeding hopper (11) and falls into the material barrel (12), and the first driving mechanism is used for conveying materials in the material barrel (12) to the feeding mechanism.
3. The devolatilization apparatus as claimed in claim 2, wherein: the first driving mechanism comprises a first driving motor (13) and a feeding screw blade (14), the feeding screw blade (14) is located in the charging barrel (12), the first driving motor (13) is connected with the feeding screw blade (14), the first driving motor (13) is used for driving the feeding screw blade (14) to rotate, and the feeding hopper (11) is located above the charging barrel (12).
4. The devolatilization apparatus of claim 2, wherein: the feeding mechanism comprises a feeding barrel (21), a feeding screw groove (22) and a second driving mechanism, wherein the feeding screw groove (22) is installed in the feeding barrel (21), the barrel (12) is communicated with the feeding barrel (21), and the second driving mechanism is used for driving the feeding barrel (21) to rotate.
5. The devolatilization apparatus of claim 4, wherein: the second driving mechanism comprises a second driving motor (23) and a transmission mechanism (24), and the second driving motor (23) drives the feeding material barrel (21) to rotate through the transmission mechanism (24).
6. The devolatilization apparatus as claimed in claim 5, wherein: the feeding mechanism further comprises an insulating layer (25) and an insulating shell (26), wherein the insulating shell (26) is mounted on the outer surface of the feeding barrel (21), and the insulating layer (25) is located between the outer surface of the feeding barrel (21) and the inner surface of the insulating shell (26).
7. The devolatilization apparatus of claim 4, wherein: the heating module comprises a light-transmitting shell (31), an infrared heating lamp tube (32) and a reflector (33), wherein the infrared heating lamp tube (32) and the reflector (33) are positioned in the light-transmitting shell (31), the light-transmitting shell (31) is installed in the feeding charging barrel (21), and light emitted by the infrared heating lamp tube (32) irradiates through the reflector (33) to the polymer in the feeding charging barrel (21).
8. The devolatilization apparatus of claim 7, wherein: the heating module further comprises a sensor cooling module (34), and the sensor cooling module (34) is used for cooling the reflector (33), the light-transmitting shell (31) and the infrared heating lamp tube (32).
9. The devolatilization apparatus of claim 4, wherein: the raw material temporary storage mechanism comprises a raw material temporary storage tank (41), a blanking valve (42), a first pipeline (43) and a second pipeline (44), wherein the raw material temporary storage tank (41) is positioned below the feeding charging barrel (21), and an input port of the raw material temporary storage tank (41) is communicated with an output port of the feeding charging barrel (21) through the first pipeline (43); the delivery outlet of the raw material temporary storage tank (41) is communicated with the vacuum devolatilization mechanism through a second pipeline (44), and the second pipeline (44) is provided with the blanking valve (42).
10. The devolatilization apparatus as claimed in claim 9, wherein: the raw material temporary storage mechanism further comprises a heat tracing mechanism (45) for keeping the raw material temporary storage tank (41) warm.
11. The devolatilization apparatus as claimed in claim 9, wherein: the vacuum devolatilization mechanism comprises a vacuum tank (51), a vacuum pump (52) and a vacuum pumping pipeline (53), wherein the vacuum tank (51) is located below the raw material temporary storage tank (41), the output port of the raw material temporary storage tank (41) is communicated with the input port of the vacuum tank (51) through a second pipeline (44), one end of the vacuum pumping pipeline (53) is communicated with the vacuum pump (52), the other end of the vacuum pumping pipeline (53) is communicated with the vacuum tank (51), the vacuum pump (52) is started, the vacuum pumping pipeline (53) is right, the vacuum pumping tank (51) is vacuumized, polymer VOC is pumped away, and VOC is volatile organic compound.
12. The devolatilization apparatus as claimed in claim 11, wherein: the vacuum devolatilization mechanism further comprises a back-washing pipeline (54) and a first valve (55), the back-washing pipeline (54) is communicated with the vacuum tank (51), the first valve (55) is installed on the back-washing pipeline (54), and when the vacuum devolatilization mechanism is used, air enters the vacuum tank (51) from the back-washing pipeline (54), washes polymers and carries away VOC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122710374.0U CN216972392U (en) | 2021-11-05 | 2021-11-05 | Polymer material devolatilization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122710374.0U CN216972392U (en) | 2021-11-05 | 2021-11-05 | Polymer material devolatilization device |
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| CN216972392U true CN216972392U (en) | 2022-07-15 |
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| CN202122710374.0U Active CN216972392U (en) | 2021-11-05 | 2021-11-05 | Polymer material devolatilization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114478849A (en) * | 2021-11-05 | 2022-05-13 | 广州创特技术有限公司 | Polymer material devolatilization device |
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- 2021-11-05 CN CN202122710374.0U patent/CN216972392U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114478849A (en) * | 2021-11-05 | 2022-05-13 | 广州创特技术有限公司 | Polymer material devolatilization device |
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