CN207562383U - Efficient PET crystallizers - Google Patents

Efficient PET crystallizers Download PDF

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Publication number
CN207562383U
CN207562383U CN201721483199.3U CN201721483199U CN207562383U CN 207562383 U CN207562383 U CN 207562383U CN 201721483199 U CN201721483199 U CN 201721483199U CN 207562383 U CN207562383 U CN 207562383U
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China
Prior art keywords
back taper
crystallizing tank
hot
wind
crystallization
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CN201721483199.3U
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Chinese (zh)
Inventor
彭华
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DONGGUAN HEJIN PLASTIC MACHINERY Co Ltd
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DONGGUAN HEJIN PLASTIC MACHINERY Co Ltd
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Abstract

The utility model discloses a kind of efficient PET crystallizers, it includes rack, the crystallizing tank being arranged in rack, decelerating motor, blender and back taper sieve, the inner wall appearance profile line of hot-wind inlet and crystallizing tank is tangent, and the cone angle of back taper sieve is less than back taper blanking portion;High speed hot wind is after hot-wind inlet is blown into air inlet separate cavities, and it quickly flows to form cyclonic airflow along the inner surface contour of crystallizing tank, then back taper sieve is uniformly blown into, makes to form a dynamic heating environment in crystallizing tank, allows hot wind fully penetrated to the every nook and cranny of crystallization cavity;Decelerating motor drives blender rotation stirring PET materials simultaneously, so that the PET materials in crystallization cavity are fully in contact with hot wind, improve the contact area of PET materials and wind, realization is rapidly achieved homogeneously crystallized effect, crystallization time is greatly shortened, traditional 2 hours crystallization times of crystallizer are shorten to half an hour, production capacity is greatly improved, has saved the energy.

Description

Efficient PET crystallizers
Technical field
The utility model belongs to crystallizer technical field, and in particular to a kind of efficient PET crystallizers.
Background technology
Pre-crystallized effect is that PET fragments is allowed to crystallize, and improves its melting temperature, prevents in heat drying process below, There is the problem of PET fragments caking.
For this purpose, PET crystallizers, although existing PET crystallizers can reach drying effect, its knot are released in the market Structure is directly to be blown into sieve using air inlet, and the resistance not only encountered is big, wind it is uneven;And due to air inlet region It is heated more to concentrate, and remaining area is heated few, causes air inlet area's material crystallization fast, the crystallization of rest part material is slow, causes to tie It is brilliant uneven, the crystallization time of material entirety is extended, usually crystallization needs 2 hours, reduces crystalline rate.
Utility model content
Against the above deficiency, the purpose of the utility model is to provide a kind of reasonable in design, ingenious, crystallization effects It is good, the high efficient PET crystallizers of working efficiency.
To achieve the above object, technical solution provided by the utility model is:
A kind of efficient PET crystallizers including rack, the crystallizing tank being arranged in rack, decelerating motor, blender and fall Taper sieve, the bottom sidewall of the crystallizing tank are equipped with the inner wall appearance profile of hot-wind inlet, the hot-wind inlet and crystallizing tank Line is tangent, and the bottom surface of the crystallizing tank convexes to form back taper blanking portion in back taper, and the centre bit in the back taper blanking portion installs There is discharge port;The cone angle of the back taper sieve is less than back taper blanking portion, lower ending opening and the discharge port phase of back taper sieve Docking, upper end opening extend to the top position of hot-wind inlet and are connected on the inner wall of crystallizing tank;Outside the back taper sieve Air inlet separate cavities are formed between wall and back taper blanking portion and the inner wall of crystallizing tank, hot-wind inlet is connected with the air inlet separate cavities It connects;Crystallization cavity is formed between the inner wall of the back taper sieve and the inner wall of crystallizing tank, the blender is arranged on the knot of crystallizing tank Brilliant intracavitary, the decelerating motor are arranged on the top surface of crystallizing tank, and the blender can be driven to rotate.
As a kind of improvement of the utility model, the blender includes central shaft and more are arranged on the central shaft Stirring rod, the transversal appearance profile of the stirring rod are right-angled trapezium, and its bevel edge is towards surface.
As a kind of improvement of the utility model, the cone angle of the back taper sieve is 45~55 degree.Under the back taper The cone angle in material portion is 90~100 degree.
As a kind of improvement of the utility model, the lower sides of the crystallizing tank are equipped with monitoring port, and in the supervision Mouth is equipped with the supervision door that can be closed.
As a kind of improvement of the utility model, the top surface of the crystallizing tank is equipped with feeding mouth and return air inlet.
As a kind of improvement of the utility model, the feeding mouth is equipped with collector, the material inlet of the collector with Materail tube is connected, and the negative pressure air connector of the collector is connected with negative pressure feeder.
As a kind of improvement of the utility model, the hot-wind inlet is connected with heating the hot-blast outlet of room, the heating The bottom of room is equipped with crystallization wind turbine, and the cold air inlet of the crystallization wind turbine is connected with the air outlet of cyclone separator, the whirlwind point Air inlet from device is connected with the return air inlet.
The beneficial effects of the utility model are:The embodiment of the utility model is ingenious in design, reasonable, is equipped with back taper sieve Net, and the cone angle for increasing back taper blanking portion makes to form the larger air inlet separate cavities of a volume between the two, and hot wind enters Mouthful tangent with the inner wall appearance profile line of crystallizing tank, high speed hot wind is after hot-wind inlet is blown into and enters the wind separate cavities, and along crystallizing tank Inner surface contour quickly flow to form cyclonic airflow, be then uniformly blown into back taper sieve, make to form one in crystallization cavity A dynamic heating environment allows hot wind fully penetrated to the every nook and cranny of crystallization cavity;Decelerating motor drives blender rotation simultaneously And then stir PET materials so that the PET materials in crystallization cavity are fully in contact with hot wind, improve contact of the PET materials with wind Area, realization are rapidly achieved homogeneously crystallized effect, avoid the occurrence of dry dead angle, product quality is effectively ensured, can improve liter Warm speed, and crystallization time is greatly shortened, traditional 2 hours crystallization times of crystallizer are shorten to half an hour, are greatly improved Production capacity has saved the energy, conducive to wide popularization and application.
Below in conjunction with the accompanying drawings with embodiment, the utility model is further illustrated.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model.
Fig. 2 is the schematic cross-sectional view of the utility model.
Fig. 3 is the structure diagram of blender in the utility model.
Fig. 4 is the structure enlargement diagram of part A in Fig. 3.
Specific embodiment
Referring to Fig. 1 to Fig. 4, a kind of efficient PET crystallizers provided in this embodiment including rack 1, are arranged on rack 1 On crystallizing tank 2, decelerating motor 3, blender 4 and back taper sieve 5, the bottom sidewall of the crystallizing tank 2 enters equipped with hot wind Mouth 21, the inner wall appearance profile line of the hot-wind inlet 21 and crystallizing tank 2 is tangent, and the bottom surface of the crystallizing tank 2 is in back taper convex shaped Blanking portion 22 in an inverted cone, the center in the back taper blanking portion 22 are equipped with discharge port 23;The cone angle of the back taper sieve 5 Less than back taper blanking portion 22, preferably, the cone angle of the back taper sieve 5 is preferably 45~55 degree, best angle is 51 degree. The cone angle in the back taper blanking portion 22 is preferably 90~100 degree, and best angle is 96 degree.
The lower ending opening of the back taper sieve 5 is connected to each other with discharge port 23, and upper end opening extends to hot-wind inlet 21 Top position is simultaneously connected on the inner wall of crystallizing tank 2;The outer wall of the back taper sieve 5 and back taper blanking portion 22 and crystallizing tank 2 Inner wall between form air inlet separate cavities, hot-wind inlet 21 is connected with the air inlet separate cavities;The inner wall of the back taper sieve 5 with Crystallization cavity is formed between the inner wall of crystallizing tank 2, the blender 4 is arranged in the crystallization cavity of crystallizing tank 2, the decelerating motor 3 The top surface of crystallizing tank 2 is arranged on, and the blender 4 can be driven to rotate.
Specifically, referring to Fig. 3 and Fig. 4, the blender 4 includes central shaft 41 and more are arranged on the central shaft 41 Stirring rod 42, the transversal appearance profile of the stirring rod 42 is right-angled trapezium, and its bevel edge is more conducively stirred towards surface Uniformly.
For convenience of routine work and maintenance, monitoring port is equipped on the lower sides of the crystallizing tank 2, and in the monitoring port It is equipped with the supervision door 24 that can be closed.
Specifically, the top surface of the crystallizing tank 2 is equipped with feeding mouth 25 and return air inlet 26.The feeding mouth 25 is equipped with rewinding Device, the material inlet of the collector are connected with materail tube, and the negative pressure air connector of the collector is connected with negative pressure feeder. The hot-wind inlet 21 is connected with heating the hot-blast outlet of room 5, and the bottom of the heating room is equipped with crystallization wind turbine, the crystallization wind turbine Cold air inlet be connected with the air outlet of cyclone separator, the air inlet of the cyclone separator is connected with the return air inlet 26 It connects.
During work, high speed hot wind is and quick along the inner surface contour of crystallizing tank 2 after hot-wind inlet 21 is blown into air inlet separate cavities It flows to form cyclonic airflow, is then uniformly blown into back taper sieve 5, make to form a dynamic heating in crystallizing tank 2 Environment allows hot wind fully penetrated to the every nook and cranny of crystallizing tank 2;Decelerating motor 3 drives blender 4 to rotate and then stir simultaneously PET materials so that the PET materials in crystallization cavity are fully in contact with hot wind, improve the contact area of PET materials and wind, real Homogeneously crystallized effect is now rapidly achieved, dry dead angle is avoided the occurrence of, product quality is effectively ensured, heating rate can be improved, Crystallization time is greatly shortened, only needs half an hour that can realize crystallization effect, greatly improves production capacity, saved the energy.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality The mode of applying is changed and is changed.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right Some modifications and changes of the utility model should also be as falling into the scope of the claims of the utility model.In addition, to the greatest extent Some specific terms are used in pipe this specification, but these terms are merely for convenience of description, not to the utility model Any restrictions are formed, using the miscellaneous equipment of same or similar structure, in scope of protection of the utility model.

Claims (8)

1. a kind of efficient PET crystallizers, including rack and the crystallizing tank being arranged in rack, it is characterised in that:It is further included Decelerating motor, blender and back taper sieve, the bottom sidewall of the crystallizing tank are equipped with hot-wind inlet, the hot-wind inlet and knot The inner wall appearance profile line of brilliant tank is tangent, and the bottom surface of the crystallizing tank convexes to form back taper blanking portion, the back taper in back taper The center in blanking portion is equipped with discharge port;The cone angle of the back taper sieve is less than back taper blanking portion, back taper sieve Lower ending opening is connected to each other with discharge port, and upper end opening extends to the top position of hot-wind inlet and is connected to the inner wall of crystallizing tank On;Air inlet separate cavities, hot-wind inlet are formed between the outer wall of the back taper sieve and back taper blanking portion and the inner wall of crystallizing tank It is connected with the air inlet separate cavities;Crystallization cavity, the stirring are formed between the inner wall of the back taper sieve and the inner wall of crystallizing tank Device is arranged in the crystallization cavity of crystallizing tank, and the decelerating motor is arranged on the top surface of crystallizing tank, and the blender can be driven to turn It is dynamic.
2. efficient PET crystallizers according to claim 1, which is characterized in that the blender includes central shaft and more The stirring rod being arranged on the central shaft, the transversal appearance profile of the stirring rod are right-angled trapezium, and its bevel edge is towards on just Side.
3. efficient PET crystallizers according to claim 1, which is characterized in that the cone angle of the back taper sieve for 45~ 55 degree.
4. efficient PET crystallizers according to claim 1, which is characterized in that the cone angle in the back taper blanking portion is 90 ~100 degree.
5. efficient PET crystallizers according to claim 1, which is characterized in that the lower sides of the crystallizing tank are equipped with Monitoring port, and the supervision door that can be closed is equipped on the monitoring port.
6. efficient PET crystallizers according to claim 1, which is characterized in that the top surface of the crystallizing tank is equipped with feeding mouth And return air inlet.
7. efficient PET crystallizers according to claim 6, which is characterized in that the feeding mouth is equipped with collector, the receipts The material inlet of glassware is connected with materail tube, and the negative pressure air connector of the collector is connected with negative pressure feeder.
8. efficient PET crystallizers according to claim 6, which is characterized in that the hot-wind inlet and the hot wind of heating room Outlet is connected, and the bottom of the heating room is equipped with crystallization wind turbine, the outlet air of the cold air inlet and cyclone separator of the crystallization wind turbine Mouth is connected, and the air inlet of the cyclone separator is connected with the return air inlet.
CN201721483199.3U 2017-11-09 2017-11-09 Efficient PET crystallizers Active CN207562383U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721483199.3U CN207562383U (en) 2017-11-09 2017-11-09 Efficient PET crystallizers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721483199.3U CN207562383U (en) 2017-11-09 2017-11-09 Efficient PET crystallizers

Publications (1)

Publication Number Publication Date
CN207562383U true CN207562383U (en) 2018-07-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721483199.3U Active CN207562383U (en) 2017-11-09 2017-11-09 Efficient PET crystallizers

Country Status (1)

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CN (1) CN207562383U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107694142A (en) * 2017-11-09 2018-02-16 东莞市和津塑料机械有限公司 Efficient PET crystallizers and its method for crystallising

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107694142A (en) * 2017-11-09 2018-02-16 东莞市和津塑料机械有限公司 Efficient PET crystallizers and its method for crystallising

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