CN205974341U - Novel PA66 solid phase polymerization system - Google Patents
Novel PA66 solid phase polymerization system Download PDFInfo
- Publication number
- CN205974341U CN205974341U CN201620561334.0U CN201620561334U CN205974341U CN 205974341 U CN205974341 U CN 205974341U CN 201620561334 U CN201620561334 U CN 201620561334U CN 205974341 U CN205974341 U CN 205974341U
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- pipeline
- centrifugal fan
- nitrogen gas
- input
- solid phase
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Abstract
The utility model discloses a novel PA66 solid phase polymerization system belongs to solid phase polymerization technical field. Tower, multistage centrifugal fan, nitrogen gas heating device, dust remover, desalination water pitcher be including taking place for it, and the input intercommunication of pipeline and dust remover is passed through to the upper end that takes place the tower, and the output of dust remover passes through pipeline and multistage centrifugal fan's input intercommunication, and multistage centrifugal fan's output passes through pipeline and nitrogen gas heating device's input intercommunication, and nitrogen gas heating device's output is linked together through pipeline and the lower extreme that takes place the tower, still be equipped with the plunger pump on the pipeline between multistage centrifugal fan and the nitrogen gas heating device, the input of plunger pump is linked together through pipeline and desalination water pitcher. The utility model discloses a set up the humidity in the nimble aplit -second control heating nitrogen gas of plunger pump cooperation nitrogen gas heating device, and then the moisture content in the accurate regulation and control section. Take up an area of small, the energy consumption control for a short time the convenience, guarantee sliced production quality when the rate of accuracy is high.
Description
Technical field
This utility model belongs to solid phase technical field, especially a kind of new PA66 solid phase system.
Background technology
PA66 is also referred to as polyamide 66 or nylon66 fiber, and it is that in macromolecular main chain repetitives, the height containing amide group gathers
The general name of thing, its be widely used in manufacture machinery, automobile, chemistry and electric device part in.PA66 high strength industrial filament be by
The wet section of low viscosity obtains high viscosity by solid-phase polymerization and has the section of certain moisture content, then carries out spinning.
At present, the control method commonly used very high temperature circulation nitrogen for PA66 solid phase section moisture content leads to
Subcooled water spraying cooling, then heated up by heater, and control section moisture content by adjusting nitrogen dew point temperature and reaching
Purpose, this method needs to consume more refrigerating capacity and heat, additionally needs the high-power circulating pump of configuration, plate type heat exchanger, big
The facilities such as cold handpiece Water Chilling Units, system complex and production process energy consumption is higher.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, providing a kind of new PA66 solid polycondensation syzygy
System.This utility model passes through to arrange the humidity in plunger displacement pump cooperation nitrogen heater flexible quick control heated nitrogen, and then
Moisture content in the section of accuracy controlling PA66.This utility model is reasonable in design, and compact conformation takes up an area small volume, and energy consumption is little and adjusts
Polyvinyl chloride, manipulation is convenient, ensures the quality of production of PA66 section while accuracy rate is high.
For achieving the above object, this utility model adopts following technical proposals：New PA66 solid phase system, it includes
Generating tower, Multi-stage centrifugal fan, nitrogen heater, cleaner unit, desalination water pot, the upper end of described generating tower is passed through pipeline and is removed
The input connection of dirt device, the outfan of described cleaner unit is connected with the input of Multi-stage centrifugal fan by pipeline, described many
The outfan of level centrifugal blower is connected with the input of nitrogen heater by pipeline, the outfan of described nitrogen heater
It is connected with the lower end of generating tower by pipeline；Also assemble on pipeline between described Multi-stage centrifugal fan and nitrogen heater
There is plunger displacement pump, the input of described plunger displacement pump is connected with desalination water pot by pipeline, and described cleaner unit is additionally provided with nitrogen
Source input port.
Preferably, new PA66 solid phase system also includes cooler, and the outfan of described Multi-stage centrifugal fan passes through
Pipeline is connected with the input of cooler, and the pipeline between cleaner unit and Multi-stage centrifugal fan is connected with the outfan of cooler
Logical.
Preferably, described cleaner unit is sack cleaner.
The beneficial effects of the utility model are：
This utility model passes through to arrange the humidity in plunger displacement pump cooperation nitrogen heater flexible quick control heated nitrogen,
And then the moisture content in the section of accuracy controlling PA66.This utility model is reasonable in design, compact conformation take up an area small volume, energy consumption little and
Adjustment polyvinyl chloride, manipulation is convenient, ensures the quality of production of PA66 section while accuracy rate is high.
Brief description
Fig. 1 is this utility model overall structure diagram.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is further illustrated.
As shown in figure 1, new PA66 solid phase system, it includes generating tower 1, Multi-stage centrifugal fan 2, nitrogen heating dress
Put 3, cleaner unit 4, desalination water pot 5, the upper end of described generating tower 1 is connected with the input of cleaner unit 4 by pipeline, described dedusting
The outfan of device 4 is connected with the input of Multi-stage centrifugal fan 2 by pipeline, and the outfan of described Multi-stage centrifugal fan 2 passes through
Pipeline is connected with the input of nitrogen heater 3, and the outfan of described nitrogen heater 3 passes through pipeline and generating tower 1
Lower end is connected；Plunger displacement pump 6, described post are also equipped with the pipeline between described Multi-stage centrifugal fan 2 and nitrogen heater 3
The input of plug pump 6 is connected with desalination water pot 5 by pipeline, and described cleaner unit 4 is additionally provided with source nitrogen input port.
As shown in figure 1, on the basis of technique scheme, new PA66 solid phase system also includes cooler 7, described
The outfan of Multi-stage centrifugal fan 2 is connected with the input of cooler 7 by pipeline, cleaner unit 4 and Multi-stage centrifugal fan 2 it
Between pipeline be connected with the outfan of cooler 7.It is arranged such, in cooling procedure, control by Multi-stage centrifugal fan 2 outfan
In the nitrogen of output, 5 percent are lowered the temperature by cooler, meet actually used needs.
As shown in figure 1, on the basis of technique scheme, described cleaner unit 4 is sack cleaner.It is arranged such, meet
Actually used needs.
During work, PA66 solid-phase polymerization heat release, it is passed through inert nitrogen gas in generating tower 1 and is heated, wherein
Part PA66 oligomer is taken out of by nitrogen, is collected through the sack cleaner 4 of automatic back blow, is injected by source nitrogen input port
The filtration of nitrogen and cleaner unit 4 after nitrogen Multi-stage centrifugal fan 2 entered by pipeline boosted, micro in desalination water pot 5
Moisture is injected in the nitrogen after Multi-stage centrifugal fan 2 boosting by pipeline, and carries out injection rate instruction by plunger displacement pump 6, real
The humid control of existing nitrogen, the power of plunger displacement pump 6 is 0.5kw, by frequency converter timing, finally meets the nitrogen warp of humidity requirement
Enter generating tower 1 after nitrogen heater 3 intensification heating PA66 to be cut into slices into heating, adjustment section moisture content, in circulating repetition
State work process, realize recycling of nitrogen, PA66 section carries out polycondensation reaction in generating tower, and stop certain time obtains
Required viscosity.
Restriction to this utility model protection domain, one of ordinary skill in the art should be understood that in skill of the present utility model
On the basis of art scheme, those skilled in the art do not need to pay the various modifications that creative work can make or deformation still exists
Within protection domain of the present utility model.
Claims (3)
1. a kind of new PA66 solid phase system it is characterised in that：It includes generating tower (1), Multi-stage centrifugal fan (2), nitrogen
Gas heater (3), cleaner unit (4), desalination water pot (5), pipeline and cleaner unit (4) are passed through in the upper end of described generating tower (1)
Input connects, and the outfan of described cleaner unit (4) is connected with the input of Multi-stage centrifugal fan (2) by pipeline, described many
The outfan of level centrifugal blower (2) is connected with the input of nitrogen heater (3) by pipeline, described nitrogen heater
(3) outfan is connected with the lower end of generating tower (1) by pipeline；Described Multi-stage centrifugal fan (2) and nitrogen heater
(3) plunger displacement pump (6) is also equipped with the pipeline between, the input of described plunger displacement pump (6) passes through pipeline and desalination water pot (5) phase
Connection, described cleaner unit (4) is additionally provided with source nitrogen input port.
2. new PA66 solid phase system according to claim 1 it is characterised in that：New PA66 solid phase system
Also include cooler (7), the outfan of described Multi-stage centrifugal fan (2) is connected with the input of cooler (7) by pipeline,
Pipeline between cleaner unit (4) and Multi-stage centrifugal fan (2) is connected with the outfan of cooler (7).
3. new PA66 solid phase system according to claim 2 it is characterised in that：Described cleaner unit (4) is pocket type
Cleaner unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620561334.0U CN205974341U (en) | 2016-06-08 | 2016-06-08 | Novel PA66 solid phase polymerization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620561334.0U CN205974341U (en) | 2016-06-08 | 2016-06-08 | Novel PA66 solid phase polymerization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205974341U true CN205974341U (en) | 2017-02-22 |
Family
ID=58020911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620561334.0U Expired - Fee Related CN205974341U (en) | 2016-06-08 | 2016-06-08 | Novel PA66 solid phase polymerization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205974341U (en) |
-
2016
- 2016-06-08 CN CN201620561334.0U patent/CN205974341U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20170608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |