CN207085370U - De- single device of polyacrylonitrile matrix - Google Patents
De- single device of polyacrylonitrile matrix Download PDFInfo
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- CN207085370U CN207085370U CN201720953428.7U CN201720953428U CN207085370U CN 207085370 U CN207085370 U CN 207085370U CN 201720953428 U CN201720953428 U CN 201720953428U CN 207085370 U CN207085370 U CN 207085370U
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Abstract
It the utility model is related to a kind of de- single device of polyacrylonitrile matrix, including polymeric kettle and de- one-pot, the top of de- one-pot is provided with charging aperture and gaseous phase outlet, bottom is provided with discharging opening, polymeric kettle discharging opening is connected with de- one-pot charging aperture, de- one-pot discharging opening is connected with material storage kettle, combined condenser includes superposed first-stage condenser and the packed tower positioned at bottom, de- one-pot gaseous phase outlet is connected with combined condenser entrance, and the condensate outlet of combined condenser bottom is connected with the refluxing opening at the top of de- one-pot；The shell side inlet of first-stage condenser is connected by cooling sea water regulating valve with cooling water inlet pipe, shell-side outlet is connected with cooling water outlet pipe, the top exit of combined condenser is connected with the air inlet of secondary condenser bottom, exhaust outlet at the top of secondary condenser is connected with vavuum pump, and the aperture of cooling sea water regulating valve is controlled by the temperature of combined condenser top exit.The device can guarantee that the solid content of polyacrylonitrile matrix, and treating capacity is big, and production efficiency is high.
Description
Technical field
A kind of polymer production plant, more particularly to a kind of de- single device of polyacrylonitrile matrix are the utility model is related to,
Belong to polymer production plant technical field.
Background technology
Polyacrylonitrile-based carbon fibre due to the advantages that its production technology is relatively easy, good mechanical performance and cost are relatively low,
A kind of carbon fiber that yield is maximum, kind is most and most widely used is had been developed as in recent years.The polyacrylonitrile of high-quality is former
Silk is the important prerequisite for preparing high-performance polyacrylonitrile-based carbon fiber.Because acrylonitrile monemer still has a small amount of remnants after polymerization, such as
Residual monomer is too many in fruit polymer fluid, and these monomers continue to polymerize in de-aeration, causes spinning fluid solid content to differ
Cause, the CV values for causing precursor are increased.Therefore, take off single-action fruit and solid content control directly decides polyacrylonitrile-based carbon fibre
Spinning quality.
Existing polyacrylonitrile matrix takes off folk prescription method, the general construction using the de- one-pot of transformation, increases evaporating surface or increase
Power is evaporated, under certain temperature certain vacuum, removes acrylonitrile monemer.In the presence of following weak point：1. de- single device construction
Complexity, mostly tower or combined；2. strip is serious under high vacuum, acrylonitrile monemer easily sweeps along material；3. solvent is de-
Under single temperature, pressure, acrylonitrile monemer is followed to volatilize, solvent volatile quantity is uncontrollable.
Utility model content
The purpose of this utility model is, overcomes problems of the prior art, there is provided a kind of polyacrylonitrile matrix
Single device is taken off, residual monomer that can be in efficient removal polyacrylonitrile matrix, ensures the solid content of polyacrylonitrile matrix, and treating capacity
Greatly, production efficiency is high.
To solve above technical problem, a kind of de- single device of polyacrylonitrile matrix of the present utility model, including polymeric kettle
With de- one-pot, the top of the de- one-pot is provided with de- one-pot charging aperture and de- one-pot gaseous phase outlet, is set along the axis of de- one-pot
There is de- one-pot agitating shaft, the bottom of the de- one-pot is provided with de- one-pot discharging opening, the discharging opening of the polymeric kettle and the de- list
Kettle charging aperture is connected, and the de- one-pot discharging opening is connected by de- one-pot discharge nozzle with material storage kettle, is set above the de- one-pot
There is combined condenser, the combined condenser includes superposed first-stage condenser and the packed tower positioned at bottom, institute
The circumferential wall for stating packed tower bottom is provided with the combined condenser entrance tangentially connected, and the de- one-pot gaseous phase outlet passes through
De- one-pot blast pipe is connected with the combined condenser entrance, and the bottom of the combined condenser is provided with combined condenser
Condensate outlet, the combined condenser condensate outlet pass through the backflow at the top of combined condenser return duct and the de- one-pot
Mouth is connected；The shell side inlet of the first-stage condenser is connected by cooling sea water regulating valve with cooling water inlet pipe, and the one-level is cold
The shell-side outlet of condenser is connected with cooling water outlet pipe, and top exit and the secondary condenser bottom of the combined condenser are justified
Air inlet on week is connected, and the exhaust outlet at the top of the secondary condenser is connected with the entrance of vavuum pump, the chilled water modulation
The aperture of valve is controlled by the temperature of the combined condenser top exit.
Relative to prior art, the utility model achieves following beneficial effect：It is true that vacuum pumping is first passed through before charging
Sky, prevent air from entering de- one-pot and being aoxidized with polyacrylonitrile, while stoste enters de- one-pot internal pressure from de- one-pot charging aperture
Power rapid drawdown, is flashed, and easily removes acrylonitrile monemer；The ribbon of de- one-pot agitating shaft lower end is persistently to the height of de- one-pot bottom
Viscous material is stirred, and can be sufficiently mixed material, prevents dead band, and interface renewal speed is fast.From de- one-pot gas phase
The gaseous substance of discharge is exported tangentially into the lower section of packed tower, equivalent to cyclonic separation, advantageously reduces the entrainment of drop,
Other combined condenser is using first-stage condenser and the up-down structure of packed tower, the caused lime set through first-stage condenser cooling
When passing through packing layer from top to down, carry out gas-liquid with gaseous substance from bottom to top and exchange, advantageously reduce the volatilization of solution.This
Utility model is additionally arranged temperature control in the top exit of combined condenser, can set combined condensing according to temperature-pressure curve
The outlet temperature of device, vacuum pressure setting is stable in addition, is advantageous to control the volatile quantity of solvent.
As improvement of the present utility model, the leakage fluid dram of the secondary condenser bottom and the entrance phase of solvent receiving tank
Even, the journal stirrup of the solvent receiving tank is supported on bearing by Weighing module, the outlet at bottom of the solvent receiving tank with it is molten
Agent bucket is connected；The outlet at bottom of the solvent receiving tank is also connected by solvent refluxing valve with the de- one-pot discharging opening, described
The aperture of solvent refluxing valve is controlled by the reading of the Weighing module.Weighing module can be with the volatile quantity of real time measure solvent, root
Required according to solid content, the aperture by adjusting solvent refluxing valve controls the capacity of returns of solvent；De- unijunction beam assay reaches will
After asking, stop vavuum pump, vacuum is released with nitrogen, discharged by de- one-pot discharging opening to material storage kettle.
As further improvement of the utility model, the top of the de- one-pot agitating shaft is provided with up-small and down-big umbrella cover point
Cone is dissipated, gap is left between the base of the scattered cone of the umbrella cover and the inwall of the de- one-pot.Polyacrylonitrile matrix is from de- one-pot
After charging aperture enters de- one-pot inner chamber, fall first on the scattered cone of umbrella cover, with the rotation of the scattered cone of umbrella cover, polyacrylonitrile matrix
Uniformly spread out on the scattered cone of umbrella cover, form very thin fluid film, considerably increase the disengagement area of polyacrylonitrile matrix, can
With rapid evaporation acrylonitrile monemer, polyacrylonitrile matrix is fallen using centrifugal force, improves the service efficiency of equipment.
As further improvement of the utility model, the outer wall of the de- one-pot is covered with de- one-pot chuck, the de- list
The bottom of kettle chuck is provided with de- one-pot hot water inlet, and the top of the de- one-pot chuck is provided with de- one-pot hot water outlet, described de-
One-pot hot water inlet is connected with hot water feeding pipe, and the de- one-pot hot water outlet is connected with hot water outlet pipe, and the hot water supplies water
Hot water regulating valve is installed, the aperture of the hot water regulating valve is controlled by the water in the middle part of the de- one-pot chuck short transverse on pipe
Temperature.By accurately controlling the aperture of hot water regulating valve, the heating-up temperature of the accurate de- one-pot of control.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description, accompanying drawing only provides ginseng
Examine and used with explanation, be not used to limit the utility model.
Fig. 1 is the flow chart of de- single device of the utility model polyacrylonitrile matrix.
In figure：1. polymeric kettle；2. de- one-pot；2a. takes off one-pot charging aperture；2b. takes off one-pot gaseous phase outlet；2c. takes off one-pot and gone out
Material mouth；2d. takes off one-pot hot water inlet；2e. takes off one-pot hot water outlet；The scattered cone of 2f. umbrella covers；2g. ribbons；3. combined condensing
Device；3a. first-stage condensers；3b. packed towers；3c. combined condenser entrances；3d. combined condenser condensate outlets；4. two level
Condenser；5. solvent receiving tank；6. material storage kettle；7. vavuum pump；8. solvent barrel；9. Weighing module；G1a. hot water feeding pipe；G1b.
Hot water outlet pipe；G2. one-pot discharge nozzle is taken off；G3. one-pot blast pipe is taken off；G4. combined condenser return duct；G5a. cooling water enters
Water pipe；G5b. cooling water outlet pipe；V1. hot water regulating valve；V2. cooling sea water regulating valve；V3. solvent refluxing valve.
Embodiment
As shown in figure 1, de- single device of the utility model polyacrylonitrile matrix includes polymeric kettle 1, de- one-pot 2, combined type
Condenser 3, secondary condenser 4 and material storage kettle 6, the top for taking off one-pot 2 are provided with de- one-pot charging aperture 2a and de- one-pot gaseous phase outlet
2b, the axis of de- one-pot 2 is provided with de- one-pot agitating shaft, the bottom for taking off one-pot 2 is provided with de- one-pot discharging opening 2c, and de- one-pot is stirred
The bottom for mixing axle is provided with ribbon 2g, and the top for taking off one-pot agitating shaft is provided with the scattered cone 2f of up-small and down-big umbrella cover, the scattered cone of umbrella cover
Gap is left between the inwall of 2f base and de- one-pot 2.
Covered with de- one-pot chuck, the bottom for taking off one-pot chuck is provided with de- one-pot hot water inlet 2d, taken off the outer wall of de- one-pot 2
The top of one-pot chuck is provided with de- one-pot hot water outlet 2e, and de- one-pot hot water inlet 2d is connected with hot water feeding pipe G1a, takes off one-pot
Hot water outlet 2e is connected with hot water outlet pipe G1b, and hot water regulating valve V1, hot water regulating valve V1 are provided with hot water feeding pipe G1a
Aperture be controlled by water temperature in the middle part of de- one-pot chuck short transverse.By accurately controlling hot water regulating valve V1 aperture, accurately
The heating-up temperature of the de- one-pot 2 of control.
The discharging opening of polymeric kettle 1 is connected with de- one-pot charging aperture 2a, takes off one-pot discharging opening 2c by taking off one-pot discharge nozzle G2
It is connected with material storage kettle 6, the top of de- one-pot 2 is provided with combined condenser 3, and combined condenser 3 includes superposed one-level
The circumferential wall of the condenser 3a and packed tower 3b positioned at bottom, packed tower 3b bottom is provided with the combined condensing tangentially connected
Device entrance 3c, de- one-pot gaseous phase outlet 2b are connected by de- one-pot blast pipe G3 with combined condenser entrance 3c, and combined type is cold
The bottom of condenser is provided with combined condenser condensate outlet 3d, combined condenser condensate outlet 3d and returned by combined condenser
Flow tube G4 is connected with the refluxing opening at the top of de- one-pot；First-stage condenser 3a shell side inlet passes through cooling sea water regulating valve V2 and cooling
Water water inlet pipe G5a is connected, and first-stage condenser 3a shell-side outlet is connected with cooling water outlet pipe G5b, the top of combined condenser
Portion outlet is connected with the air inlet in the lower circumference of secondary condenser 4, exhaust outlet and the vavuum pump 7 at the top of secondary condenser 4
Entrance is connected, and cooling sea water regulating valve V2 aperture is controlled by the temperature of combined condenser top exit.
The leakage fluid dram of the bottom of secondary condenser 4 is connected with the entrance of solvent receiving tank 5, and the journal stirrup of solvent receiving tank 5 passes through
Weighing module 9 is supported on bearing, and the outlet at bottom of solvent receiving tank 5 is connected with solvent barrel 8；The bottom of solvent receiving tank 5 goes out
Mouth is also connected by solvent refluxing valve V3 with de- one-pot discharging opening 2c, and solvent refluxing valve V3 aperture is controlled by Weighing module 9
Reading.
Vavuum pump 7 is first passed through before charging to vacuumize, and prevents air from entering de- one-pot 2 and being aoxidized with polyacrylonitrile, together
When stoste enter pressure drop in de- one-pot from de- one-pot charging aperture 2a, flash, easily remove acrylonitrile monemer；Polypropylene
Nitrile stoste falls on the scattered cone 2f of umbrella cover first after de- one-pot charging aperture 2a enters de- one-pot inner chamber, with the scattered cone of umbrella cover
2f rotation, polyacrylonitrile matrix are uniformly spread out on the scattered cone 2f of umbrella cover, form very thin fluid film, considerably increase poly-
The disengagement area of acrylonitrile stoste, it can be fallen with rapid evaporation acrylonitrile monemer, polyacrylonitrile matrix using centrifugal force.
The ribbon 2g of de- one-pot agitating shaft lower end persistently glues material to the height for taking off the bottom of one-pot 2 and is stirred, and can make thing
Material is sufficiently mixed, and prevents dead band, and interface renewal speed is fast.Cut from the gaseous substance edge of de- one-pot gaseous phase outlet 2b discharges
To the lower section for entering packed tower 3b, equivalent to cyclonic separation, the entrainment of drop is advantageously reduced, combined condenser uses in addition
First-stage condenser 3a and packed tower 3b up-down structure, through first-stage condenser 3a coolings, caused lime set is from top to down by filling out
During the bed of material, carry out gas-liquid with gaseous substance from bottom to top and exchange, advantageously reduce the volatilization of solution.The present apparatus is cold in combined type
The top exit of condenser is additionally arranged temperature control, the outlet temperature of combined condenser can be set according to temperature-pressure curve, in addition
Vacuum pressure sets stabilization, is advantageous to control the volatile quantity of solvent.
Weighing module 9 can be required with the volatile quantity of real time measure solvent according to solid content, by adjusting solvent refluxing valve V3
Aperture control solvent capacity of returns；After de- unijunction beam assay reaches requirement, stop vavuum pump 7, release vacuum with nitrogen, lead to
De- one-pot discharging opening 2c is crossed to discharge to material storage kettle 6.
It the foregoing is only the preferable possible embodiments of the utility model, non-therefore limitation patent of the present utility model
Protection domain.In addition to the implementation, the utility model can also have other embodiment, all to use equivalent substitution or equivalent change
The technical scheme to be formed is changed, is all fallen within the protection domain of the requires of the utility model.Technology of the utility model without description is special
Sign can be realized by or using prior art, will not be repeated here.
Claims (4)
1. a kind of de- single device of polyacrylonitrile matrix, including polymeric kettle and de- one-pot, the top of the de- one-pot is provided with de- list
Kettle charging aperture and de- one-pot gaseous phase outlet, the axis of de- one-pot is provided with de- one-pot agitating shaft, the bottom of the de- one-pot is set
There is de- one-pot discharging opening, the discharging opening of the polymeric kettle is connected with the de- one-pot charging aperture, and the de- one-pot discharging opening passes through
De- one-pot discharge nozzle is connected with material storage kettle, it is characterised in that：The top of the de- one-pot is provided with combined condenser, the combination
Formula condenser includes superposed first-stage condenser and the packed tower positioned at bottom, is set in the circumferential wall of the packed tower bottom
There is the combined condenser entrance tangentially connected, the de- one-pot gaseous phase outlet passes through de- one-pot blast pipe and the combined type
Condenser inlet is connected, and the bottom of the combined condenser is provided with combined condenser condensate outlet, the combined condensing
Device condensate outlet is connected by combined condenser return duct with the refluxing opening at the top of the de- one-pot；The first-stage condenser
Shell side inlet is connected by cooling sea water regulating valve with cooling water inlet pipe, and shell-side outlet and the cooling water of the first-stage condenser go out
Water pipe is connected, and the top exit of the combined condenser is connected with the air inlet in secondary condenser lower circumference, and described two
The level exhaust outlet of condenser overhead is connected with the entrance of vavuum pump, and the aperture of the cooling sea water regulating valve is controlled by the combined type
The temperature of condenser overhead outlet.
2. de- single device of polyacrylonitrile matrix according to claim 1, it is characterised in that：The secondary condenser bottom
Leakage fluid dram be connected with the entrance of solvent receiving tank, the journal stirrup of the solvent receiving tank is supported on bearing by Weighing module,
The outlet at bottom of the solvent receiving tank is connected with solvent barrel；The outlet at bottom of the solvent receiving tank also passes through solvent refluxing valve
It is connected with the de- one-pot discharging opening, the aperture of the solvent refluxing valve is controlled by the reading of the Weighing module.
3. de- single device of polyacrylonitrile matrix according to claim 1, it is characterised in that：The de- one-pot agitating shaft
Top is provided with the scattered cone of up-small and down-big umbrella cover, between being left between the base of the scattered cone of the umbrella cover and the inwall of the de- one-pot
Gap.
4. de- single device of the polyacrylonitrile matrix according to claim 1 or 2 or 3, it is characterised in that：The de- one-pot
Outer wall is provided with de- one-pot hot water inlet covered with de- one-pot chuck, the bottom of the de- one-pot chuck, the de- one-pot chuck
Top is provided with de- one-pot hot water outlet, and the de- one-pot hot water inlet is connected with hot water feeding pipe, the de- one-pot hot water outlet
It is connected with hot water outlet pipe, hot water regulating valve is installed on the hot water feeding pipe, the aperture of the hot water regulating valve is controlled by
Water temperature in the middle part of the de- one-pot chuck short transverse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720953428.7U CN207085370U (en) | 2017-08-02 | 2017-08-02 | De- single device of polyacrylonitrile matrix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720953428.7U CN207085370U (en) | 2017-08-02 | 2017-08-02 | De- single device of polyacrylonitrile matrix |
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| Publication Number | Publication Date |
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| CN207085370U true CN207085370U (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720953428.7U Active CN207085370U (en) | 2017-08-02 | 2017-08-02 | De- single device of polyacrylonitrile matrix |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226139A (en) * | 2018-09-30 | 2019-01-18 | 鄂尔多斯市君正能源化工有限公司 | A kind of paste resin polymeric kettle automatic flushing device and auto-flushing method |
| CN109988258A (en) * | 2019-04-18 | 2019-07-09 | 中国科学院山西煤炭化学研究所 | A kind of de- single system of polymer fluid |
| CN111359245A (en) * | 2020-04-01 | 2020-07-03 | 广东两山科技有限公司 | Ionic liquid purification device and using method thereof |
-
2017
- 2017-08-02 CN CN201720953428.7U patent/CN207085370U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226139A (en) * | 2018-09-30 | 2019-01-18 | 鄂尔多斯市君正能源化工有限公司 | A kind of paste resin polymeric kettle automatic flushing device and auto-flushing method |
| CN109226139B (en) * | 2018-09-30 | 2023-11-10 | 鄂尔多斯市君正能源化工有限公司 | Automatic flushing device and automatic flushing method for pasty resin polymerization kettle |
| CN109988258A (en) * | 2019-04-18 | 2019-07-09 | 中国科学院山西煤炭化学研究所 | A kind of de- single system of polymer fluid |
| CN111359245A (en) * | 2020-04-01 | 2020-07-03 | 广东两山科技有限公司 | Ionic liquid purification device and using method thereof |
| CN111359245B (en) * | 2020-04-01 | 2021-07-23 | 广东两山科技有限公司 | Ionic liquid purification device and using method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 301, Wangjiang Road, economic and Technological Development Zone, Yangzhou City, Jiangsu Province Patentee after: Yangzhou Huitong Technology Co.,Ltd. Address before: No. 301, Wangjiang Road, economic and Technological Development Zone, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU HUITONG CHEMICAL TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |