CN207498309U - A kind of continuous production device of PET polyester slices - Google Patents
A kind of continuous production device of PET polyester slices Download PDFInfo
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- CN207498309U CN207498309U CN201721538134.4U CN201721538134U CN207498309U CN 207498309 U CN207498309 U CN 207498309U CN 201721538134 U CN201721538134 U CN 201721538134U CN 207498309 U CN207498309 U CN 207498309U
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- nitrogen
- esterification
- stirring rod
- continuous production
- reaction kettle
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Abstract
The utility model is related to a kind of continuous production devices of PET polyester slices,It includes nitrogen supply (NS) system and sequentially connected raw material mixing supply system,It is esterified piece-rate system,Pre-polymerization system,Poly- system eventually,It is esterified piece-rate system and includes sequentially connected first esterification device and the second esterification device and destilling tower,First esterification device includes reaction kettle body,Rotation be arranged on reaction kettle body for the agitating device that is stirred to the material in reaction kettle body,Nitrogen supply (NS) system is connected with agitating device by nitrogen pipeline,The side that agitating device is located inside reaction kettle body offers nitrogen jet structure,First esterification device of the continuous production device of the PET polyester slices of the utility model,When carrying out esterification,Esterification rate can be greatly improved,Improve reaction efficiency,So that the production efficiency of the continuous production device of the PET polyester slices of the utility model greatly improves.
Description
Technical field
The utility model is related to a kind of continuous production devices of PET polyester slices.
Background technology
The purposes of polyester now includes fiber, the fields such as all kinds of containers, packaging material, film, film, engineering plastics.At present,
Polyester PET replaces aluminium, glass, ceramics, paper, timber, steel and other synthetic materials, the family of polyester more and more
Also in continuous enlargement.With the development of the big division of labor of social production, in polyester manufacturing, there is polyester production process and gather
The phenomenon that ester forming process detaches, i.e., production of polyester is only done by some companies, and polyester molding is only done by some companies, in order to solve this
Problem, polyester slice come into being, and large-scale production line is continuous production processes, and semicontinuous and batch production process is then suitble to
Medium and small a variety of process units.It in the prior art, would generally be in esterification in production of polyester in order to improve production efficiency
Stage is passed through nitrogen into reaction kettle of the esterification to improve esterification speed, is typically on the autoclave body of reaction kettle in the prior art
Nitrogen inlet is opened up, and source nitrogen is connected by pipeline, although esterification speed can be improved to a certain extent, by
Cannot be rapidly mixed into solution after nitrogen enters autoclave body, accelerate reaction effect be not but it is fine, polyester slice
It is low to produce reaction efficiency.
Invention content
Technical problem to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of PET polyester slices
Continuous production device.
In order to solve the above technical problems, the technical solution that the utility model is taken is as follows：
A kind of continuous production device of PET polyester slices, is mixed including nitrogen supply (NS) system and sequentially connected raw material
Supply system, esterification piece-rate system, eventually pre-polymerization system, poly- system are closed, esterification piece-rate system includes the sequentially connected first esterification
Reaction unit and the second esterification device and the distillation in parallel with the first esterification device and the second esterification device
Tower, the first esterification device includes reaction kettle body, being arranged on reaction kettle body for rotation is used for the object in reaction kettle body
Expect the agitating device being stirred, nitrogen supply (NS) system is connected with agitating device by nitrogen pipeline, and agitating device is located at reaction
Side inside autoclave body offers nitrogen jet structure, and nitrogen is sprayed onto inside reaction kettle body and is mixed with material by nitrogen jet structure
It closes.
Preferably, agitating device includes the being connected on reaction kettle body of rotation and extends along reaction kettle body length direction
Stirring rod, stirring rod have hollow cavity, and nitrogen pipeline is connected close to one end of agitating device with stirring rod.
Preferably, nitrogen jet structure includes being set on multiple fumaroles with stirring rod week.These fumaroles are with close
The whole body for being arranged on stirring rod of the mode of cloth, nitrogen can be discharged from fumarole, but the material stirred will not pass through fumarole
It imported into the cavity of agitating paddle.
Preferably, agitating device further includes the agitating paddle for being fixedly connected on stirring rod lower end, and agitating paddle has hollow
Cavity, the hollow cavity of stirring rod connect setting with the hollow cavity of agitating paddle.
Preferably, nitrogen jet structure further includes multiple fumaroles with agitating paddle week.These fumaroles be with
The whole body for being arranged on agitating paddle of densely covered mode during stirring, also has part nitrogen can be from the fumarole with agitating paddle week
Discharge.Shunting injection is further carried out to nitrogen, further improves and dynamics is mixed between nitrogen and material, also further improve
Esterification speed.
Preferably, agitating paddle includes multiple paddles being fixedly connected with stirring rod.
Preferably, branch paddle includes the horizontal paddle being interconnected with hollow cavity and hollow cavity and perpendicular paddle, horizontal paddle and stirring
Stick is fixedly connected.
Preferably, the one end that nitrogen jet structure is further included in the hollow cavity of stirring rod is consolidated with stirring rod upper end
Surely the gas-guide tube connected, the other end of gas-guide tube extend downward into the lower part of stirring rod, the one end and nitrogen pipeline of gas-guide tube
Connection.I.e. nitrogen pipeline is connected by gas-guide tube with the hollow cavity of stirring rod.Gas-guide tube can be straight by the nitrogen of nitrogen pipeline
The lower part for being directed to stirring rod is connect, to avoid the pressure for the nitrogen that the fumarole on the fumarole and agitating paddle of stirring rod bottom receives
Power is too small, and cannot spray nitrogen.
Due to the implementation of above technical scheme, the utility model has the following advantages that compared with prior art：
The continuous production device of the PET polyester slices of the utility model, the reaction kettle body of the first esterification device
Agitating device and nitrogen supply (NS) system connectivity, and pass through the setting of nitrogen jet structure（That is stirring rod and the agitating paddle whole body is close
The fumarole of cloth）, in the material solution in nitrogen jet to kettle that nitrogen system is supplied, nitrogen is disperseed to greatest extent
Injection, and the material solution mediad external diffusion out of kettle so that nitrogen comprehensive, effectively can carry out abundant with material
Mixing.First esterification device of the continuous production device of the PET polyester slices of the utility model is carrying out esterification
When, esterification rate can be greatly improved, reaction efficiency is improved, so that the PET polyester slices of the utility model is continuous
The production efficiency of process units greatly improves.
Description of the drawings
Fig. 1 is the overall structure diagram of the continuous production device of the PET polyester slices of the utility model；
Fig. 2 is the schematic cross-sectional view of the agitating device of the utility model；
Fig. 3 is enlarged drawing at the A in Fig. 2；
Wherein：1st, supply system is mixed；2nd, it is esterified piece-rate system；21st, the first esterification device；210th, reaction kettle body；
22nd, the second esterification device；23rd, destilling tower；3rd, pre-polymerization system；4th, whole poly- system；5th, nitrogen supply (NS) system；J1, stirring rod；
J21, horizontal paddle；J22, perpendicular paddle；G1, nitrogen pipeline；G2, gas-guide tube；100th, fumarole.
Specific embodiment
The utility model is described in more detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of continuous production device of PET polyester slices, connects including nitrogen supply (NS) system 5 and successively
Raw material mixing supply system 1, esterification piece-rate system 2, eventually pre-polymerization system 3, the poly- system 4 connect, esterification piece-rate system 2 are included successively
Connection the first esterification device 21 and the second esterification device 22 and with the first esterification device 21 and the second ester
Change the destilling tower 23 in parallel of reaction unit 22, the first esterification device 21 includes reaction kettle body 210, rotation is arranged on reaction
On autoclave body 210 for the agitating device that is stirred to the material in reaction kettle body 210, nitrogen supply (NS) system 5 is filled with stirring
It puts and is connected by nitrogen pipeline G1, the side that agitating device is located inside reaction kettle body 210 offers nitrogen jet structure, nitrogen
Nitrogen is sprayed onto 210 inside of reaction kettle body and is mixed with material by injection structure.
Specifically, agitating device includes the being connected on reaction kettle body 210 of rotation and along 210 length direction of reaction kettle body
The stirring rod J1 of extension, stirring rod J1 have hollow cavity, and nitrogen pipeline G1 connects close to one end of agitating device and stirring rod J1
It is logical.Multiple fumaroles 100 these fumaroles 100 that nitrogen jet structure includes being set on stirring rod J1 weeks are with densely covered side
The whole body for being arranged on stirring rod of formula, nitrogen can be discharged from fumarole 100, but the material stirred will not pass through fumarole 100
It imported into the cavity of agitating paddle.
Further, agitating device further includes the agitating paddle for being fixedly connected on stirring rod J1 lower ends, during agitating paddle has
Empty cavity, the hollow cavity of stirring rod J1 connect setting with the hollow cavity of agitating paddle.Nitrogen jet structure, which further includes, to be set on
Multiple fumaroles 100 with agitating paddle week.These fumaroles 100 are the whole body for being arranged on agitating paddle in a manner of gathering,
During stirring, also there is part nitrogen that can be discharged from the fumarole 100 with agitating paddle week.Shunting spray is further carried out to nitrogen
It penetrates, further improves and dynamics is mixed between nitrogen and material, also further improve esterification speed.Agitating paddle include with
The multiple paddles that stirring rod J1 is fixedly connected.Branch paddle include the horizontal paddle J21 being interconnected with hollow cavity and hollow cavity and
Perpendicular paddle J22, horizontal paddle J21 are fixedly connected with stirring rod J1.
In this example, nitrogen jet structure is further included on one end and stirring rod J1 in the hollow cavity of stirring rod J1
The gas-guide tube G2 being fixedly connected is held, the other end of gas-guide tube G2 extends downward into the lower part of stirring rod J1, one end of gas-guide tube G2
Portion is connected with nitrogen pipeline G1.I.e. nitrogen pipeline is connected by gas-guide tube with the hollow cavity of stirring rod.Gas-guide tube G2 can be incited somebody to action
The nitrogen of nitrogen pipeline is led directly to the lower part of stirring rod, to avoid on the fumarole 100 and agitating paddle of stirring rod bottom
The pressure for the nitrogen that fumarole 100 receives is too small, and cannot spray nitrogen.
The continuous production device of the PET polyester slices of the utility model, the reaction kettle body of the first esterification device
Agitating device and nitrogen supply (NS) system connectivity, and pass through the setting of nitrogen jet structure（That is stirring rod and the agitating paddle whole body is close
The fumarole of cloth）, in the material solution in nitrogen jet to kettle that nitrogen system is supplied, nitrogen is disperseed to greatest extent
Injection, and the material solution mediad external diffusion out of kettle so that nitrogen comprehensive, effectively can carry out abundant with material
Mixing.First esterification device of the continuous production device of the PET polyester slices of the utility model is carrying out esterification
When, esterification rate can be greatly improved, reaction efficiency is improved, so that the PET polyester slices of the utility model is continuous
The production efficiency of process units greatly improves.
The utility model is described in detail above, its object is to allow the personage for being familiar with this field technology can be much of that
It solves the content of the utility model and is implemented, the scope of protection of the utility model can not be limited with this, it is all according to this practicality
The equivalent change or modification that novel Spirit Essence is made should all cover within the protection scope of the present utility model.
Claims (8)
1. a kind of continuous production device of PET polyester slices, including nitrogen supply (NS) system（5）And sequentially connected raw material mixes
Close supply system（1）, esterification piece-rate system（2）, pre-polymerization system（3）, poly- system eventually（4）, the esterification piece-rate system（2）Including
Sequentially connected first esterification device（21）With the second esterification device（22）And it is filled with first esterification
It puts（21）With the second esterification device（22）Destilling tower in parallel（23）, it is characterised in that：First esterification device
（21）Including reaction kettle body（210）, rotation be arranged on the reaction kettle body（210）On be used for the reaction kettle body
（210）The agitating device that interior material is stirred, the nitrogen supply (NS) system（5）Pass through nitrogen pipeline with the agitating device
（G1）Connection, the agitating device are located at the reaction kettle body（210）Internal side offers nitrogen jet structure, the nitrogen
Nitrogen is sprayed onto the reaction kettle body by gas jet structure（210）Inside is mixed with material.
2. the continuous production device of PET polyester slices according to claim 1, it is characterised in that：The agitating device packet
Include rotation is connected to the reaction kettle body（210）On and along the reaction kettle body（210）The stirring rod of length direction extension
（J1）, the stirring rod（J1）With hollow cavity, the nitrogen pipeline（G1）Close to the agitating device one end with it is described
Stirring rod（J1）Connection.
3. the continuous production device of PET polyester slices according to claim 2, it is characterised in that：The nitrogen jet knot
Structure includes being set on the stirring rod（J1）Multiple fumaroles with week（100）.
4. the continuous production device of PET polyester slices according to claim 2, it is characterised in that：The agitating device is also
Including being fixedly connected on the stirring rod（J1）The agitating paddle of lower end, the agitating paddle have hollow cavity, the stirring
Stick（J1）Hollow cavity connect setting with the hollow cavity of the agitating paddle.
5. the continuous production device of PET polyester slices according to claim 4, it is characterised in that：The nitrogen jet knot
Structure further includes multiple fumaroles with the agitating paddle week（100）.
6. the continuous production device of PET polyester slices according to claim 5, it is characterised in that：The agitating paddle includes
With the stirring rod（J1）Multiple paddles being fixedly connected.
7. the continuous production device of PET polyester slices according to claim 6, it is characterised in that：The branch paddle includes tool
There is the horizontal paddle that hollow cavity and hollow cavity are interconnected（J21）With perpendicular paddle（J22）, the horizontal paddle（J21）With the stirring rod
（J1）It is fixedly connected.
8. the continuous production device of PET polyester slices according to claim 2, it is characterised in that：The nitrogen jet knot
Structure is further included positioned at the stirring rod（J1）Hollow cavity in one end and the stirring rod（J1）What upper end was fixedly connected
Gas-guide tube（G2）, the gas-guide tube（G2）The other end extend downward into the stirring rod（J1）Lower part, the gas-guide tube
（G2）The one end and the nitrogen pipeline（G1）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721538134.4U CN207498309U (en) | 2017-11-16 | 2017-11-16 | A kind of continuous production device of PET polyester slices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721538134.4U CN207498309U (en) | 2017-11-16 | 2017-11-16 | A kind of continuous production device of PET polyester slices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207498309U true CN207498309U (en) | 2018-06-15 |
Family
ID=62505162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721538134.4U Active CN207498309U (en) | 2017-11-16 | 2017-11-16 | A kind of continuous production device of PET polyester slices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207498309U (en) |
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2017
- 2017-11-16 CN CN201721538134.4U patent/CN207498309U/en active Active
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