CN207512322U - A kind of device of polyacrylonitrile spinning solution filtering - Google Patents
A kind of device of polyacrylonitrile spinning solution filtering Download PDFInfo
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- CN207512322U CN207512322U CN201721505116.6U CN201721505116U CN207512322U CN 207512322 U CN207512322 U CN 207512322U CN 201721505116 U CN201721505116 U CN 201721505116U CN 207512322 U CN207512322 U CN 207512322U
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- tank body
- spinning solution
- filter core
- insulation shell
- mixed solvent
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Abstract
The utility model discloses a kind of device of polyacrylonitrile spinning solution filtering, displacement colvent inlet, exhaust outlet are offered at the top of tank body, offers mixed solvent outlet one above the medial side of tank body, the bottom of tank body offers slag-drip opening, stoste entrance；The outside of tank body is equipped with insulation shell, offers hot water inlet, mixed solvent outlet two above the side of insulation shell, the position of mixed solvent outlet two is corresponding with the position of mixed solvent outlet one, and the side-lower of insulation shell offers hot water outlet；Horizontal hanging tube is welded in tank body, one end of horizontal hanging tube is pierced by tank body, insulation shell successively, and filter core is vertically installed on horizontal hanging tube and filter core is located in tank body.The utility model is filtered spinning solution, totally-enclosed operation, will not be leaked there is a situation where slurry；Tank interior is compact-sized, not only reduces the residence time of spinning solution, ensures the quality of spinning solution, while reduces the dosage of cleaning solution, reduces the difficulty of post processing.
Description
Technical field
The utility model is related to polyacrylonitrile viscose filtration technical field more particularly to a kind of polyacrylonitrile spinning solution mistakes
The device of filter.
Background technology
Carbon fiber is a kind of fibrous carbon material, and in black, corrosion resistance, temperature tolerance and electric conductivity are all splendid, is a kind of
New material with valuable electricity, calorifics and mechanical property.Raw material sources according to preparation are broadly divided into two major class, a kind of
It is staple fibre, such as viscose, synthetic cotton, lignin fibre, another kind of is synthetic fibers, they are provided naturally from oil etc.
The raw material for purifying out in source, using being spun into silk, such as acrylic fiber, pitch fibers, polyacrylonitrile fibre after processing.Through
After development for many years, only three kinds of viscose glue (cellulose) base fiber, pitch fibers and polyacrylonitrile fibre raw materials prepare carbon at present
Fibre technology realizes industrialization.
The carbonization yield of polyacrylonitrile-based carbon fibre is up to more than 45%, and production procedure, solvent recovery, three-protection design
Etc. it is all fairly simple, at low cost, raw material sources enrich, especially anti-in addition the mechanical property of polyacrylonitrile-based carbon fibre
Tensile strength, tensile modulus etc. is first of three kinds of carbon fibers, so be that current application field is most wide, also a kind of maximum carbon is fine for yield
Dimension.
The manufacturing process of polyacrylonitrile-based carbon fibre mainly have precursor prepare, precursor pre-oxidation and preoxided thread carbonization or into
One step graphitization etc., wherein precursor preparation is first step, and the polyacryl-nitrile spinning fluid for obtaining high quality is also to prepare high property
The premise of energy polyacrylonitrile fibril, technical process is that acrylonitrile and its comonomer and solvent are formulated according to a certain percentage
Polymeric kettle is polymerize, and obtained polymer solution first has to take out unreacted monomer by flash distillation, using negative pressure deaeration
With filtering etc. spin pre-treatment.It is traditionally to be filtered using board and frame machine, but big there are material viscosity, filtration difficulty；Automation
Degree is low, and labor intensity is big；Closed operation is unable to, big, the deficiencies of post-processing heavy workload is influenced on execute-in-place environment.
Utility model content
The utility model is to solve the above problems, provide a kind of device of polyacrylonitrile spinning solution filtering.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of polyacrylonitrile spinning solution filtering
Device, including insulation shell, filter core, horizontal hanging tube and tank body；Displacement colvent inlet, exhaust outlet, tank are offered at the top of tank body
Mixed solvent outlet one is offered above the medial side of body, the bottom of tank body offers slag-drip opening, stoste entrance；Outside tank body
Portion is equipped with insulation shell, and hot water inlet, mixed solvent outlet two, mixed solvent discharge are offered above the side of insulation shell
The position of mouth two is corresponding with the position of mixed solvent outlet one, and the side-lower of insulation shell offers hot water outlet；Tank body
Horizontal hanging tube is inside welded with, one end of horizontal hanging tube is pierced by tank body, insulation shell, filter core and filter core are vertically installed on horizontal hanging tube successively
In tank body.
Further, filter core is vertically installed with by screw thread on horizontal hanging tube and filter core is located in tank body.
Further, the material of tank body is 316L.
Further, the material of insulation shell is 316L.
Further, filter core is the metal film coated filter cores of 316L.
Further, the filtering accuracy of filter core is 1 μm.
Further, the material of horizontal hanging tube is 316L.
The beneficial effects of the utility model are：
1st, the utility model is filtered spinning solution, totally-enclosed operation, will not be leaked there is a situation where slurry；Tank body
Internal structure is compact, not only reduces the residence time of spinning solution, ensures the quality of spinning solution, while reduces cleaning solution
Dosage reduces the difficulty of post processing；
2nd, the utility model selects the metal film coated filter core of import, and filtering accuracy is high, and the spinning solution big to viscosity crosses filtration resistance
Power is small, and filtration flux is big under a certain pressure, regeneration capable of washing, and service life is up to 5 to 10 years；
3rd, the utility model can fully automatic operation, substantially reduce labor intensity, save operating cost.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the utility model；
Fig. 2 is the external structure schematic diagram of the utility model.
Wherein：1st, displacement colvent inlet, 2, insulation shell, 3, filter core, 4, horizontal hanging tube, 5, tank body, 6, exhaust outlet, 7, mixed
Bonding solvent outlet two, 8, hot water inlet, 9, hot water outlet, 10, slag-drip opening, 11, stoste entrance.
Specific embodiment
As shown in Figure 1 and Figure 2, a kind of device of polyacrylonitrile spinning solution filtering, including insulation shell 2, filter core 3, horizontal extension
Pipe 4 and tank body 5；The material of tank body 5 is 316L, can also select carbon steel lining or other corrosion resistant gold according to medium situation
Belong to material, the top of tank body 5 offers displacement colvent inlet 1, exhaust outlet 6, it is molten that mixing is offered above the medial side of tank body 5
Agent outlet one, the bottom of tank body 5 offer slag-drip opening 10, stoste entrance 11；The outside of tank body 5 is equipped with insulation shell 2, protects
The material of warm housing 2 is 316L, also other corrosion resistant metal materials can be selected according to medium situation, on the side of insulation shell 2
Side offers hot water inlet 8, mixed solvent outlet 27, position and the mixed solvent outlet one of mixed solvent outlet 27
Position it is corresponding, the side-lower of insulation shell 2 offers hot water outlet 9；Horizontal hanging tube 4 is welded in tank body 5, horizontal hanging tube 4
One end is pierced by tank body 5, insulation shell 2 successively, is vertically installed with filter core 3 by screw thread on horizontal hanging tube 4 and filter core 3 is located at tank body 5
Interior, filter core 3 is the metal film coated filter cores of 316L, and filtering accuracy is 1 μm, also can select other corrosion resistant gold according to medium situation
Belong to material and the filtering accuracy of other grades, horizontal 4 material of hanging tube is 316L, can also select other corrosion resistants according to medium situation
The metal material of erosion.Spinning solution to be filtered is flowed into through pipeline in tank body 5 from original fluid container, and the air in tank body 5 is pushed up from tank body 5
The exhaust outlet 6 in portion is discharged, and full of starting to filter after liquid in tank body 5, the impurity such as lumps, dust in spinning solution are intercepted in metal
3 surface of overlay film filter core, the clear liquid after filter is discharged by collecting inside filter core 3 through horizontal hanging tube 4, after a period of time, stops filtering, directly
It connects from displacement colvent inlet 1 and is passed through polymer solvent to the stoste of tank body 5 into line replacement, mixed solvent is arranged from mixed solvent
Outlet one, mixed solvent outlet 27 are discharged, and after a period of time, stop displacement, by the filter cake formed on filter core 3 from 5 bottom of tank body
Portion's slag-drip opening 10 is discharged.In this process, it needs to be passed through hot water into insulation shell 2 and tank body 5 is kept the temperature, hot water is from warm
Water inlet 8 enters, and carries out the water after heat exchange and is discharged from hot water outlet 9.Applicating example：The treating capacity of device is 8~15m3/ h,
Tank body 5 a diameter of 500mm, a diameter of 60mm of filter core 3, length 1200mm, quantity are 30, and the medium of processing is for solvent
The polyacrylonitrile spinning solution of dimethylacetylamide, medium temperature are 80~100 DEG C, and viscosity is for 20000cp or so, heat tracing hot water
90 DEG C or so of temperature, filtering accuracy are 5 μm, and the filtrate after device is filtered meets next step process requirements.
The above, only this practicality apply mode, but the scope of protection of the utility model is not limited thereto, any to be familiar with
In the technical scope that those skilled in the art disclose in the utility model, technical solution according to the present utility model and its
Utility model design is subject to equivalent substitution or change, should be covered within the scope of the utility model.
Claims (7)
1. a kind of device of polyacrylonitrile spinning solution filtering, which is characterized in that including insulation shell (2), filter core (3), horizontal extension
Manage (4) and tank body (5)；Displacement colvent inlet (1), exhaust outlet (6), the medial side of tank body (5) are offered at the top of tank body (5)
Top offers mixed solvent outlet one, and the bottom of tank body (5) offers slag-drip opening (10), stoste entrance (11)；Tank body (5)
Outside insulation shell (2) is installed, offer hot water inlet (8), mixed solvent outlet two above the side of insulation shell (2)
(7), the position of mixed solvent outlet two (7) is corresponding with the position of mixed solvent outlet one, under the side of insulation shell (2)
Side offers hot water outlet (9)；Be welded with horizontal hanging tube (4) in tank body (5), one end of horizontal hanging tube (4) be pierced by successively tank body (5),
Insulation shell (2), is vertically installed with filter core (3) on horizontal hanging tube (4) and filter core (3) is in tank body (5).
A kind of 2. device of polyacrylonitrile spinning solution filtering according to claim 1, which is characterized in that the horizontal extension
Filter core (3) is vertically installed with by screw thread on pipe (4) and filter core (3) is in tank body (5).
A kind of 3. device of polyacrylonitrile spinning solution filtering according to claim 1, which is characterized in that the tank body
(5) material is 316L.
A kind of 4. device of polyacrylonitrile spinning solution filtering according to claim 1, which is characterized in that the insulation cladding
The material of body (2) is 316L.
A kind of 5. device of polyacrylonitrile spinning solution filtering according to claim 1, which is characterized in that the filter core
(3) it is the metal film coated filter cores of 316L.
A kind of 6. device of polyacrylonitrile spinning solution filtering according to claim 5, which is characterized in that the filter core
(3) filtering accuracy is 1 μm.
A kind of 7. device of polyacrylonitrile spinning solution filtering according to claim 1, which is characterized in that the horizontal hanging tube
(4) material is 316L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721505116.6U CN207512322U (en) | 2017-11-13 | 2017-11-13 | A kind of device of polyacrylonitrile spinning solution filtering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721505116.6U CN207512322U (en) | 2017-11-13 | 2017-11-13 | A kind of device of polyacrylonitrile spinning solution filtering |
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| Publication Number | Publication Date |
|---|---|
| CN207512322U true CN207512322U (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721505116.6U Active CN207512322U (en) | 2017-11-13 | 2017-11-13 | A kind of device of polyacrylonitrile spinning solution filtering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110079815A (en) * | 2019-05-13 | 2019-08-02 | 中国科学院山西煤炭化学研究所 | The polyacrylonitrile fibre spinning solution filtering cleaning method of metal sintered filter |
-
2017
- 2017-11-13 CN CN201721505116.6U patent/CN207512322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110079815A (en) * | 2019-05-13 | 2019-08-02 | 中国科学院山西煤炭化学研究所 | The polyacrylonitrile fibre spinning solution filtering cleaning method of metal sintered filter |
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