CN107694142A - Efficient PET crystallizers and its method for crystallising - Google Patents
Efficient PET crystallizers and its method for crystallising Download PDFInfo
- Publication number
- CN107694142A CN107694142A CN201711095338.XA CN201711095338A CN107694142A CN 107694142 A CN107694142 A CN 107694142A CN 201711095338 A CN201711095338 A CN 201711095338A CN 107694142 A CN107694142 A CN 107694142A
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- China
- Prior art keywords
- back taper
- crystallizing tank
- pet
- hot
- screen cloth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
- B01D9/0031—Evaporation of components of the mixture to be separated by heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D2009/0086—Processes or apparatus therefor
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of efficiently PET crystallizers and its method for crystallising, it includes frame, the crystallizing tank being arranged in frame, reducing motor, agitator and back taper screen cloth, the inwall appearance profile line of hot-wind inlet and crystallizing tank is tangent, and the cone angle of back taper screen cloth is less than back taper blanking portion；High speed hot blast is after hot-wind inlet is blown into air intake separate cavities, and quickly flow to form cyclonic airflow along the inner surface contour of crystallizing tank, then back taper screen cloth is uniformly blown into, makes to form a dynamic heating environment in crystallizing tank, allows hot blast fully to penetrate into the every nook and cranny of crystallization cavity；Reducing motor drives agitator to rotate stirring PET materials simultaneously, so that the PET materials in crystallization cavity are fully in contact with hot blast, 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
Technical field
The invention belongs to crystallizer technical field, and in particular to a kind of efficiently PET crystallizers and its method for crystallising.
Background technology
Pre-crystallized effect is to allow PET fragments to crystallize, and improves its melting temperature, prevents in heat drying process below,
There is the problem of PET fragments caking.
Therefore, in the market releases PET crystallizers, although existing traditional PET crystallizers can reach drying effect, its
Structure be that screen cloth is directly blown into using air inlet, the resistance not only run into is big, wind it is uneven；And due to air inlet
Region is heated more to concentrate, and remaining area is heated few, causes the material crystallization of air intake area fast, and the crystallization of remainder material is slow, leads
Cause crystallization uneven, extend the overall crystallization time of material, generally crystallization needs 2 hours, reduces crystalline rate.
The content of the invention
For above-mentioned deficiency, an object of the present invention is, there is provided a kind of reasonable in design, ingenious, crystallization effect
It is good, the high efficient PET crystallizers of operating efficiency.
The second object of the present invention is, there is provided a kind of method for crystallising of efficiently PET crystallizers.
To achieve the above object, technical scheme provided by the present invention is：
A kind of efficiently PET crystallizers, it includes frame, the crystallizing tank being arranged in frame, reducing motor, agitator and fallen
Taper screen cloth, the bottom sidewall of the crystallizing tank are provided with the inwall 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 discharging opening；The cone angle of the back taper screen cloth is less than back taper blanking portion, lower ending opening and the discharging opening phase of back taper screen cloth
Docking, upper end open extend to the top position of hot-wind inlet and are connected on the inwall of crystallizing tank；Outside the back taper screen cloth
Air intake separate cavities are formed between wall and back taper blanking portion and the inwall of crystallizing tank, hot-wind inlet is connected with the air intake separate cavities
Connect；Crystallization cavity is formed between the inwall of the back taper screen cloth and the inwall of crystallizing tank, the agitator is arranged on the knot of crystallizing tank
Brilliant intracavitary, the reducing motor are arranged on the top surface of crystallizing tank, and the agitator can be driven to rotate.
As a modification of the present invention, the agitator includes central shaft and the more stirrings being arranged on the central shaft
Bar, the transversal appearance profile of the puddler are right-angled trapezium, and its hypotenuse is towards surface.
As a modification of the present invention, the cone angle of the back taper screen cloth is 45~55 degree.The back taper blanking portion
Cone angle be 90~100 degree.
As a modification of the present invention, the lower sides of the crystallizing tank are provided with monitoring port, and on the monitoring port
Provided with the supervision door that can be closed.
As a modification of the present invention, the top surface of the crystallizing tank is provided with feeding mouth and return air inlet.
As a modification of the present invention, the feeding mouth is provided with collector, the material inlet and material of the collector
Pipe is connected, and the negative pressure air joint of the collector is connected with negative pressure feeder.
As a modification of the present invention, the hot-wind inlet is connected with the hot-blast outlet of heating chamber, the heater
Bottom is provided with crystallization blower fan, and the cold air inlet of the crystallization blower fan is connected with the air outlet of cyclone separator, the cyclone separator
Air inlet be connected with the return air inlet.
A kind of method for crystallising of efficiently PET crystallizers, it comprises the following steps：
(1) the PET materials that need to be crystallized are put into crystallizing tank；
(2) high speed hot blast quickly flows after hot-wind inlet is blown into air intake separate cavities, and along the inner surface contour of crystallizing tank
To form cyclonic airflow, back taper screen cloth is then uniformly blowed to, makes to form a dynamic heating environment in crystallization cavity, allows heat
Wind fully penetrates into the every nook and cranny of crystallization cavity；
(3) reducing motor drives agitator to rotate and then stirs PET materials so that PET materials in crystallization cavity fully with
Hot blast is in contact, and realization is rapidly achieved homogeneously crystallized effect.
Beneficial effects of the present invention are：The solution of the present invention is ingenious in design, reasonable, is equipped with back taper screen cloth, and increase
The cone angle in back taper blanking portion makes to form the larger air intake separate cavities of a volume between the two, and hot-wind inlet and crystallizing tank
Inwall appearance profile line it is tangent, high speed hot blast is after hot-wind inlet is blown into air intake separate cavities, and along the inner surface contour of crystallizing tank
Quickly flow to form cyclonic airflow, be then uniformly blown into back taper screen cloth, formation one in crystallization cavity is dynamically added
Thermal environment, hot blast is allowed fully to penetrate into the every nook and cranny of crystallization cavity；Reducing motor drives agitator to rotate and then stirs PET simultaneously
Material so that the PET materials in crystallization cavity are fully in contact with hot blast, improve the contact area of PET materials and wind, realize fast
Speed reaches homogeneously crystallized effect, avoids the occurrence of dry dead angle, product quality is effectively ensured, and can improve programming rate, and greatly
Amplitude shortens crystallization time, and traditional 2 hours crystallization times of crystallizer are shorten into half an hour, greatly improve production capacity, saves
The energy, beneficial to wide popularization and application.
Below in conjunction with the accompanying drawings with embodiment, the present invention is further described.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is the cross section structure diagram of the present invention.
Fig. 3 is the structural representation of agitator in the present invention.
Fig. 4 is the structure enlargement diagram of local A in Fig. 3.
Embodiment
Referring to Fig. 1 to Fig. 4, a kind of efficiently PET crystallizers of the present embodiment offer, it includes frame 1, is arranged on frame 1
On crystallizing tank 2, reducing motor 3, agitator 4 and back taper screen cloth 5, the bottom sidewall of the crystallizing tank 2 enters provided with hot blast
Mouth 21, the inwall 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 provided with discharging opening 23；The cone angle of the back taper screen cloth 5
Less than back taper blanking portion 22, preferably, the cone angle of the back taper screen cloth 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 screen cloth 5 is relative with discharging opening 23 to be connect, and upper end open extends to hot-wind inlet 21
Top position is simultaneously connected on the inwall of crystallizing tank 2；The outer wall of the back taper screen cloth 5 and back taper blanking portion 22 and crystallizing tank 2
Inwall between form air intake separate cavities, hot-wind inlet 21 is connected with the air intake separate cavities；The inwall of the back taper screen cloth 5 with
Crystallization cavity is formed between the inwall of crystallizing tank 2, the agitator 4 is arranged in the crystallization cavity of crystallizing tank 2, the reducing motor 3
The top surface of crystallizing tank 2 is arranged on, and the agitator 4 can be driven to rotate.
Specifically, referring to Fig. 3 and Fig. 4, the agitator 4 includes central shaft 41 and more are arranged on the central shaft 41
Puddler 42, the transversal appearance profile of the puddler 42 is right-angled trapezium, and its hypotenuse is equal towards surface, more conducively stirring
It is even.
For convenience of routine work and maintenance, monitoring port is provided with the lower sides of the crystallizing tank 2, and in the monitoring port
It is provided with the supervision door 24 that can be closed.
Specifically, the top surface of the crystallizing tank 2 is provided with feeding mouth 25 and return air inlet 26.The feeding mouth 25 is provided with rewinding
Device, the material inlet of the collector are connected with materail tube, and the negative pressure air joint of the collector is connected with negative pressure feeder.
The hot-wind inlet 21 is connected with the hot-blast outlet of heating chamber 5, and the bottom of the heater is provided with crystallization blower fan, the crystallization blower fan
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
Connect.
A kind of method for crystallising of efficiently PET crystallizers, it comprises the following steps：(1) the PET materials that need to be crystallized are put into knot
In brilliant tank 2；(2) high speed hot blast quickly flows after hot-wind inlet 21 is blown into air intake separate cavities, and along the inner surface contour of crystallizing tank 2
Get up to form cyclonic airflow, then uniformly blow to back taper screen cloth 5, make to form a dynamic heating environment in crystallization cavity,
Hot blast is allowed fully to penetrate into the every nook and cranny of crystallization cavity；(3) reducing motor 3 drives agitator 4 to rotate and then stir PET materials,
So that the PET materials in crystallization cavity are fully in contact with hot blast, realization is rapidly achieved homogeneously crystallized effect.
During work, high speed hot blast is and quick along the inner surface contour of crystallizing tank 2 after hot-wind inlet 21 is blown into air intake separate cavities
Flow to form cyclonic airflow, be then uniformly blown into back taper screen cloth 5, make to form a dynamic heating in crystallizing tank 2
Environment, hot blast is allowed fully to penetrate into the every nook and cranny of crystallizing tank 2；Reducing motor 3 drives agitator 4 to rotate and then stir simultaneously
PET materials so that the PET materials in crystallization cavity are fully in contact with hot blast, 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, programming rate can be improved,
Crystallization time is greatly shortened, only needs half an hour to realize crystallization effect, greatly improves production capacity, saved the energy.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and changed.Therefore, the invention is not limited in embodiment disclosed and described above, to the present invention's
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although used in this specification
Some specific terms, but these terms are merely for convenience of description, do not form any restrictions to the present invention, using with its
The miscellaneous equipment and its method of same or similar structure, all fall in the scope of protection of the present invention.
Claims (9)
1. a kind of efficiently PET crystallizers, it includes frame and the crystallizing tank being arranged in frame, it is characterised in that：It also includes
Reducing motor, agitator and back taper screen cloth, the bottom sidewall of the crystallizing tank are provided with hot-wind inlet, the hot-wind inlet and knot
The inwall 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 provided with discharging opening；The cone angle of the back taper screen cloth is less than back taper blanking portion, back taper screen cloth
Lower ending opening is relative with discharging opening to be connect, and upper end open extends to the top position of hot-wind inlet and is connected to the inwall of crystallizing tank
On；Air intake separate cavities, hot-wind inlet are formed between the outer wall and back taper blanking portion and the inwall of crystallizing tank of the back taper screen cloth
It is connected with the air intake separate cavities；Crystallization cavity, the stirring are formed between the inwall of the back taper screen cloth and the inwall of crystallizing tank
Device is arranged in the crystallization cavity of crystallizing tank, and the reducing motor is arranged on the top surface of crystallizing tank, and the agitator can be driven to turn
It is dynamic.
2. efficiently PET crystallizers according to claim 1, it is characterised in that the agitator includes central shaft and more
The puddler being arranged on the central shaft, the transversal appearance profile of the puddler is right-angled trapezium, and its hypotenuse is towards on just
Side.
3. efficiently PET crystallizers according to claim 1, it is characterised in that the cone angle of the back taper screen cloth is 45~
55 degree.
4. efficiently PET crystallizers according to claim 1, it is characterised in that the cone angle in the back taper blanking portion is 90
~100 degree.
5. efficiently PET crystallizers according to claim 1, it is characterised in that the lower sides of the crystallizing tank are provided with
Monitoring port, and the supervision door that can be closed is provided with the monitoring port.
6. efficiently PET crystallizers according to claim 1, it is characterised in that the top surface of the crystallizing tank is provided with feeding mouth
And return air inlet.
7. efficiently PET crystallizers according to claim 1, it is characterised in that the feeding mouth is provided with collector, the receipts
The material inlet of glassware is connected with materail tube, and the negative pressure air joint of the collector is connected with negative pressure feeder.
8. the efficient PET crystallizers according to claim 1 or 3, it is characterised in that the heat of the hot-wind inlet and heating chamber
Wind outlet is connected, and the bottom of the heater is provided with crystallization blower fan, the cold air inlet of the crystallization blower fan and going out for cyclone separator
Air port is connected, and the air inlet of the cyclone separator is connected with the return air inlet.
9. a kind of method for crystallising of efficiently PET crystallizers, it is characterised in that it comprises the following steps：
(1) the PET materials that need to be crystallized are put into crystallizing tank；
(2) high speed hot blast is after hot-wind inlet is blown into air intake separate cavities, and is quickly flowed shape along the inner surface contour of crystallizing tank
Into cyclonic airflow, back taper screen cloth is then uniformly blowed to, makes to form a dynamic heating environment in crystallization cavity, allows hot blast to fill
Divide the every nook and cranny for penetrating into crystallization cavity；
(3) reducing motor drives agitator to rotate and then stirs PET materials so that the PET materials in crystallization cavity are fully and hot blast
It is in contact, realization is rapidly achieved homogeneously crystallized effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095338.XA CN107694142A (en) | 2017-11-09 | 2017-11-09 | Efficient PET crystallizers and its method for crystallising |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095338.XA CN107694142A (en) | 2017-11-09 | 2017-11-09 | Efficient PET crystallizers and its method for crystallising |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107694142A true CN107694142A (en) | 2018-02-16 |
Family
ID=61178804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711095338.XA Withdrawn CN107694142A (en) | 2017-11-09 | 2017-11-09 | Efficient PET crystallizers and its method for crystallising |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107694142A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364517A (en) * | 2018-12-27 | 2019-02-22 | 昆山恒诚荣机械设备有限公司 | Concentrate the agitating paddle of feeding system crystallizer |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1449902A (en) * | 2001-12-14 | 2003-10-22 | 有限会社佐藤化成工业所 | Heating crystallizing device for thermoplastic polymer fragment |
| CN203598235U (en) * | 2013-11-27 | 2014-05-21 | 浙江博信药业有限公司 | Hot-air-type drying medicament-making device |
| CN104596216A (en) * | 2015-01-28 | 2015-05-06 | 临武县华湘再生资源回收有限公司 | Drying machine for plastic bottle chip |
| CN105084695A (en) * | 2015-08-13 | 2015-11-25 | 浙江明佳环保科技有限公司 | Organic fertilizer fermentation tank |
| CN204999818U (en) * | 2015-08-13 | 2016-01-27 | 浙江明佳环保科技有限公司 | Agitating unit of fertilizer fermentation cylinder |
| CN205145627U (en) * | 2015-11-30 | 2016-04-13 | 谢晓亮 | Spray drier of energy -conserving high -efficient antiseized wall |
| CN106123528A (en) * | 2016-06-23 | 2016-11-16 | 安徽鼎远金属制品有限公司 | A kind of efficiency material drying device |
| CN206056205U (en) * | 2016-08-24 | 2017-03-29 | 常州新马干燥工程有限公司 | Potent heating Whirlwind flash drier |
| CN206444211U (en) * | 2017-01-21 | 2017-08-29 | 杭州众芝康菇生物技术有限公司 | A kind of spray drying tower |
| CN207562383U (en) * | 2017-11-09 | 2018-07-03 | 东莞市和津塑料机械有限公司 | Efficient PET crystallizers |
-
2017
- 2017-11-09 CN CN201711095338.XA patent/CN107694142A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1449902A (en) * | 2001-12-14 | 2003-10-22 | 有限会社佐藤化成工业所 | Heating crystallizing device for thermoplastic polymer fragment |
| CN203598235U (en) * | 2013-11-27 | 2014-05-21 | 浙江博信药业有限公司 | Hot-air-type drying medicament-making device |
| CN104596216A (en) * | 2015-01-28 | 2015-05-06 | 临武县华湘再生资源回收有限公司 | Drying machine for plastic bottle chip |
| CN105084695A (en) * | 2015-08-13 | 2015-11-25 | 浙江明佳环保科技有限公司 | Organic fertilizer fermentation tank |
| CN204999818U (en) * | 2015-08-13 | 2016-01-27 | 浙江明佳环保科技有限公司 | Agitating unit of fertilizer fermentation cylinder |
| CN205145627U (en) * | 2015-11-30 | 2016-04-13 | 谢晓亮 | Spray drier of energy -conserving high -efficient antiseized wall |
| CN106123528A (en) * | 2016-06-23 | 2016-11-16 | 安徽鼎远金属制品有限公司 | A kind of efficiency material drying device |
| CN206056205U (en) * | 2016-08-24 | 2017-03-29 | 常州新马干燥工程有限公司 | Potent heating Whirlwind flash drier |
| CN206444211U (en) * | 2017-01-21 | 2017-08-29 | 杭州众芝康菇生物技术有限公司 | A kind of spray drying tower |
| CN207562383U (en) * | 2017-11-09 | 2018-07-03 | 东莞市和津塑料机械有限公司 | Efficient PET crystallizers |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364517A (en) * | 2018-12-27 | 2019-02-22 | 昆山恒诚荣机械设备有限公司 | Concentrate the agitating paddle of feeding system crystallizer |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180216 |