CN221061996U - Paraffin separation device in polytetrafluoroethylene dispersion emulsion - Google Patents
Paraffin separation device in polytetrafluoroethylene dispersion emulsion Download PDFInfo
- Publication number
- CN221061996U CN221061996U CN202323030950.2U CN202323030950U CN221061996U CN 221061996 U CN221061996 U CN 221061996U CN 202323030950 U CN202323030950 U CN 202323030950U CN 221061996 U CN221061996 U CN 221061996U
- Authority
- CN
- China
- Prior art keywords
- separation
- paraffin
- liquid
- polytetrafluoroethylene dispersion
- tank
- Prior art date
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- 238000000926 separation method Methods 0.000 title claims abstract description 80
- 239000012188 paraffin wax Substances 0.000 title claims abstract description 53
- -1 polytetrafluoroethylene Polymers 0.000 title claims abstract description 31
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 31
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 31
- 239000006185 dispersion Substances 0.000 title claims abstract description 30
- 239000000839 emulsion Substances 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 16
- 229940057995 liquid paraffin Drugs 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001802 infusion Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a paraffin separation device in polytetrafluoroethylene dispersion emulsion, which relates to the technical field of paraffin separation and comprises a separation proportioning tank filled with polytetrafluoroethylene dispersion emulsion, wherein a heating device is arranged on the separation proportioning tank and can liquefy solid paraffin in the separation proportioning tank; a layering device is arranged in the separation material distribution groove, and can realize layering of liquid paraffin in the polytetrafluoroethylene dispersion emulsion; an overflow pipe is arranged on one side of the separation material distribution groove, a density detection device is arranged on the separation material distribution groove, the density detection device can detect the density of liquid at the bottom of the overflow pipe, a collecting groove is arranged at the liquid outlet of the overflow pipe, a liquid lifting device is arranged on the separation material distribution groove, and the density detection device, the layering device and the liquid lifting device are electrically connected with a control system; the paraffin separation device in the polytetrafluoroethylene dispersion emulsion can efficiently separate paraffin from the polytetrafluoroethylene dispersion emulsion, reduces paraffin loss rate and reduces manual labor intensity.
Description
Technical Field
The utility model relates to the technical field of paraffin separation, in particular to a paraffin separation device in polytetrafluoroethylene dispersion emulsion.
Background
The polytetrafluoroethylene dispersion resin polymerization system is composed of tetrafluoroethylene, water, a dispersing agent, stabilizer paraffin and other additives, after polymerization, the mixture of polytetrafluoroethylene emulsion and paraffin is delivered into a separation proportioning tank, after natural cooling, solid paraffin is collected by adopting a manual salvaging mode, and the solid paraffin can be recycled.
However, due to the characteristic that paraffin is easy to break into small particles, thorough separation from emulsion cannot be realized, paraffin impurities easily enter a condensation section, and the product quality is seriously affected; the method has the advantages of high paraffin loss rate, long time consumption, low efficiency, high labor intensity and low intelligent degree.
Disclosure of utility model
The utility model aims to provide a paraffin separation device in polytetrafluoroethylene dispersion emulsion, which can efficiently separate paraffin from polytetrafluoroethylene dispersion emulsion, reduce paraffin loss rate and reduce labor intensity.
The above-mentioned optimization structure of the utility model is realized through the following technical scheme: the paraffin separation device in the polytetrafluoroethylene dispersion emulsion comprises a separation proportioning tank filled with the polytetrafluoroethylene dispersion emulsion, wherein a heating device is arranged on the separation proportioning tank and can liquefy solid paraffin in the separation proportioning tank; a layering device is arranged in the separation proportioning tank, and can realize layering of liquid paraffin in the polytetrafluoroethylene dispersion emulsion;
The device is characterized in that an overflow pipe is arranged on one side of the separation material distribution groove, a density detection device is arranged on the separation material distribution groove, the density detection device can detect the density of liquid at the bottom of the overflow pipe, a collecting groove is arranged at a liquid outlet of the overflow pipe, a liquid lifting device is arranged on the separation material distribution groove, the liquid lifting device can lift the height of liquid in the separation material distribution groove, and the density detection device, the layering device and the liquid lifting device are electrically connected with a control system.
In some embodiments, the layering device comprises a stirring rod penetrating through the top of the separation proportioning tank, stirring blades are arranged on the stirring rod, one end, protruding out of the top of the separation proportioning tank, of the stirring rod is fixed on an output shaft of a motor, and the motor is electrically connected with the control system.
In some embodiments, the heating device comprises a jacket surrounding the separation dosing tank, the jacket being filled with a heating medium.
In some embodiments, a cooling device is arranged outside the collecting tank, so that the solidification speed of the liquid paraffin in the collecting tank can be accelerated.
In some embodiments, the liquid lifting device comprises a liquid conveying pipe, one end of the liquid conveying pipe is communicated with the liquid conveying device, the other end of the liquid conveying pipe is communicated with the separation proportioning groove, the liquid conveying pipe is provided with a regulating valve, and the liquid conveying device and the regulating valve are electrically connected with the control system.
In some embodiments, the density detection device is an in-line densitometer.
In some embodiments, a filter screen is disposed within the overflow tube.
In some embodiments, the filter screen is a basket filter screen, and the filter screen is trapezoidal in cross section.
In summary, the utility model has the following beneficial effects:
According to the paraffin separation device in the polytetrafluoroethylene dispersion emulsion, paraffin is liquefied through the heating device, layering of the liquid paraffin and the polytetrafluoroethylene dispersion emulsion is achieved through the layering device, the change of liquid density is detected through the density detection device, the liquid lifting device is adjusted, the liquid paraffin is guided into the collecting tank through the overflow pipe, so that efficient and rapid paraffin separation is achieved, and the loss rate of the paraffin is effectively reduced; and the separation automation is realized by the control of the control system, so that the manual labor intensity is reduced.
Drawings
Fig. 1 is a structural diagram of the present utility model.
In the figure: 1. separating a material mixing groove; 11. an overflow pipe; 2. a layering device; 21. a stirring rod; 22. stirring the leaves; 3. a density detection device; 4. a collection tank; 5. a liquid lifting device; 51. an infusion tube; 52. a regulating valve; 6. a heating device; 7. and (3) a filter screen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, a paraffin separation device in polytetrafluoroethylene dispersion emulsion comprises a separation material tank 1 filled with polytetrafluoroethylene dispersion emulsion, wherein a heating device 6 is arranged on the separation material tank 1, and the heating device 6 can liquefy solid paraffin in the separation material tank 1; a layering device 2 is arranged in the separation material mixing tank 1, and the density of paraffin is about 0.9g/cm 3, and the density of emulsion is more than 1.2g/cm 3, so that layering of liquid paraffin in polytetrafluoroethylene dispersion emulsion can be realized through the layering device 2; an overflow pipe 11 is arranged on one side of the separation material distribution groove 1, a density detection device 3 is arranged on the separation material distribution groove 1, the density detection device 3 can detect the density of liquid at the bottom of the overflow pipe 11, the density detection device 3 is an online densimeter, the density of the liquid at the bottom of the overflow pipe 11 (the liquid at the lowest point of connection between the overflow pipe 11 and the separation material distribution groove 1) can be detected in real time, and data can be fed back to a control system in time, so that the control precision of separation equipment is improved; a collecting tank 4 is arranged at the liquid outlet of the overflow pipe 11, and can collect liquid paraffin overflowed from the separation proportioning tank 1, and a cooling device is arranged outside the collecting tank 4, so that the solidification speed of the liquid paraffin in the collecting tank 4 can be accelerated; the cooling device can be a cold water pipe which is arranged outside the collecting tank 4 in a surrounding way, and the collecting tank 4 and the liquid paraffin in the collecting tank 4 are cooled through the cold water pipe; the liquid lifting device 5 is arranged outside the separation material proportioning tank 1, and the liquid lifting device 5 can lift the height of liquid in the separation material proportioning tank 1; so that the liquid paraffin sufficiently flows into the collecting tank 4; the density detection device 3, the layering device 2 and the liquid lifting device 5 are all electrically connected with the control system, so that automatic control can be realized, the separation degree of paraffin and emulsion is improved, and the operation frequency of personnel is reduced.
The liquid lifting device 5 can comprise a liquid conveying pipe 51, one end of the liquid conveying pipe 51 is communicated with the liquid conveying device, the other end of the liquid conveying pipe 51 is communicated with the separation proportioning groove 1, the liquid conveying pipe 51 is provided with a regulating valve 52, and the liquid conveying device and the regulating valve 52 are electrically connected with a control system; the control system controls the regulating valve 52 so as to control the liquid in the separating and dosing tank 1 to be input into the transfusion device, thereby improving the liquid level in the distributing and dosing tank 1 and further improving the recovery rate of paraffin; the liquid can be hot water and can be other liquids which have the density greater than that of liquid paraffin and do not react with substances in the polytetrafluoroethylene dispersion emulsion, the liquid can have a certain temperature, the added liquid is prevented from reducing the temperature of the whole liquid in the separation proportioning tank 1, so that the liquid paraffin is solidified, and the separation effect of the paraffin is reduced; the transfusion port of the transfusion device can be arranged at the bottom of the separation proportioning tank 1, so that the liquid level fluctuation can be reduced while the liquid level in the separation proportioning tank 1 is increased.
The layering device 2 can comprise a stirring rod 21 penetrating through the top of the separation proportioning tank 1, stirring blades 22 are arranged on the stirring rod 21, one end of the stirring rod 21 protruding out of the top of the separation proportioning tank 1 is fixed on an output shaft of a motor, and the motor is electrically connected with the control system; can form ribbon stirring, effectively avoid the demulsification of paraffin, and can act together with the heating device 6 to accelerate the liquefaction of a small amount of solidified paraffin and reduce the recovery time of paraffin.
In some embodiments, the heating device 6 comprises a jacket 61 surrounding the separation dosing tank 1, the jacket 61 is filled with a heating medium, the heating medium can be steam, and the temperature inside the separation dosing tank 1 is raised through heat exchange between the steam and the separation dosing tank 1, so that the solid paraffin is promoted to be liquefied.
In some embodiments, the filter screen 7 is arranged in the overflow pipe 11, the filter screen 7 is a pull basket type filter screen, and the section of the filter screen 7 is trapezoid; can collect demulsification, so that paraffin is cleaner, paraffin loss rate is reduced, the installation is simple, the cleaning is convenient, and the pipeline is not easy to be blocked.
The specific working principle is as follows:
Heating medium is introduced into the jacket 61 to preheat the separation proportioning tank 1, the mixture of emulsion and liquid paraffin is fed into the separation proportioning tank 1, a motor is started, the stirring blades 22 are driven to rotate and stir by the stirring rod 21, so that the partially solidified paraffin particles are liquefied, and the liquid paraffin mixed in the emulsion floats on the uppermost layer rapidly, so that layering is realized; after the paraffin and the emulsion are thoroughly layered, stopping stirring, starting the infusion device, opening the regulating valve 52, conveying liquid into the separation dosing tank 1 by the infusion device, enabling the liquid level in the separation dosing tank 1 to reach the overflow pipe 11, when the data fed back to the control system by the density detection device 3 is greater than the paraffin density, stopping adding the liquid by closing the regulating valve 52 after 5 seconds, enabling the residual paraffin to flow into the collecting tank 4 through the filter screen 7, starting the cooling device at the collecting tank 4, enabling the paraffin to be solidified rapidly, and completing paraffin collection.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. The paraffin separation device in the polytetrafluoroethylene dispersion emulsion is characterized by comprising a separation material distribution groove (1) filled with the polytetrafluoroethylene dispersion emulsion, wherein a heating device (6) is arranged on the separation material distribution groove (1), and the heating device (6) can liquefy solid paraffin in the separation material distribution groove (1); a layering device (2) is arranged in the separation proportioning tank (1), and the layering device (2) can realize layering of liquid paraffin in polytetrafluoroethylene dispersion emulsion;
An overflow pipe (11) is arranged on one side of the separation material distribution groove (1), a density detection device (3) is arranged on the separation material distribution groove (1), the density detection device (3) can detect the density of liquid at the bottom of the overflow pipe (11), a collecting groove (4) is arranged at the liquid outlet of the overflow pipe (11), the device is characterized in that a liquid lifting device (5) is arranged on the separation and dosing tank (1), the liquid lifting device (5) can lift the height of liquid in the separation and dosing tank (1), and the density detection device (3), the layering device (2) and the liquid lifting device (5) are electrically connected with a control system.
2. The paraffin separation device in polytetrafluoroethylene dispersion as set forth in claim 1, wherein: layering device (2) are including running through puddler (21) at separation dosing tank (1) top, be equipped with stirring leaf (22) on puddler (21), puddler (21) protrusion separation dosing tank (1) top one end is fixed on the output shaft of motor, the motor with control system electricity is connected.
3. The paraffin separation device in polytetrafluoroethylene dispersion as set forth in claim 1, wherein: the heating device (6) comprises a jacket (61) surrounding the separation proportioning tank (1), and a heating medium is filled in the jacket (61).
4. The paraffin separation device in polytetrafluoroethylene dispersion as set forth in claim 1, wherein: and a cooling device is arranged outside the collecting tank (4) and can accelerate the solidification speed of the liquid paraffin in the collecting tank (4).
5. The paraffin separation device in polytetrafluoroethylene dispersion as set forth in claim 1, wherein: the liquid lifting device (5) comprises a liquid conveying pipe (51), one end of the liquid conveying pipe (51) is communicated with the liquid conveying device, the other end of the liquid conveying pipe (51) is communicated with the separation proportioning groove (1), an adjusting valve (52) is arranged on the liquid conveying pipe (51), and the liquid conveying device and the adjusting valve (52) are electrically connected with the control system.
6. The paraffin separation device in polytetrafluoroethylene dispersion as set forth in claim 1, wherein: the density detection device (3) is an online densitometer.
7. The paraffin separation device in polytetrafluoroethylene dispersion as set forth in claim 1, wherein: a filter screen (7) is arranged in the overflow pipe (11).
8. The paraffin separation device in polytetrafluoroethylene dispersion as set forth in claim 7, wherein: the filter screen (7) is a pull basket type filter screen, and the section of the filter screen (7) is trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323030950.2U CN221061996U (en) | 2023-11-09 | 2023-11-09 | Paraffin separation device in polytetrafluoroethylene dispersion emulsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323030950.2U CN221061996U (en) | 2023-11-09 | 2023-11-09 | Paraffin separation device in polytetrafluoroethylene dispersion emulsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221061996U true CN221061996U (en) | 2024-06-04 |
Family
ID=91262797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323030950.2U Active CN221061996U (en) | 2023-11-09 | 2023-11-09 | Paraffin separation device in polytetrafluoroethylene dispersion emulsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221061996U (en) |
-
2023
- 2023-11-09 CN CN202323030950.2U patent/CN221061996U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |