CN219440713U - Rectifying still that waterborne fluorine alcohol perfluoro octyl propylene glycol draws - Google Patents
Rectifying still that waterborne fluorine alcohol perfluoro octyl propylene glycol draws Download PDFInfo
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- CN219440713U CN219440713U CN202320363087.3U CN202320363087U CN219440713U CN 219440713 U CN219440713 U CN 219440713U CN 202320363087 U CN202320363087 U CN 202320363087U CN 219440713 U CN219440713 U CN 219440713U
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- rectifying still
- preheating
- perfluorooctyl
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model discloses a rectifying still for extracting water-based fluorine alcohol perfluoro octyl propylene glycol, which comprises a rectifying still body: the top of rectifying still body is provided with the inlet pipe, and is provided with the feeding storehouse on the inlet pipe, the bottom of rectifying still body is provided with the fluid-discharge tube, the internal gas heat transfer subassembly that is provided with of rectifying still, the top of rectifying still body is provided with the blast pipe, and the side of giving vent to anger of blast pipe is provided with the liquid collecting component, be provided with on the blast pipe and switch the preheating component in rectifying gas flow direction feeding storehouse or the liquid collecting component. According to the utility model, the high-temperature mixed gas generated after rectification in the rectifying kettle body can be led into the low-temperature raw material liquid stored in the feeding bin through the preheating component, so that the temperature difference between the raw material liquid entering the rectifying kettle body and the high-temperature gas can be reduced, the rectifying rate of the raw material liquid is accelerated, and meanwhile, the high-temperature mixed gas generated by rectification can be cooled, so that the subsequent operation of cooling and collecting rectified substances in the high-temperature mixed gas is facilitated.
Description
Technical Field
The utility model relates to the technical field of chemical equipment, in particular to a rectifying still for extracting water-based fluorine alcohol perfluoro octyl propylene glycol.
Background
The rectification is a separation process for separating the components by utilizing the difference of the volatility of the components in the mixture, and the rectifying still is chemical equipment for realizing the rectification separation of the components in the mixture, so that the rectifying still is required to be used for rectification, extraction and separation operation in the extraction processing of the water-based fluorine alcohol perfluoro octyl propylene glycol substance.
Chinese patent publication No.: CN214861270U discloses a rectifying still for extracting water-based fluoroalcohol perfluorooctyl propylene glycol, which comprises a still body, wherein the top of the still body is provided with a feed inlet and a tower interface, the bottom of the still body is provided with a slag discharge port and a discharge port, the positions of the feed inlet and the slag discharge port are corresponding, and a filter cartridge is arranged between the feed inlet and the slag discharge port in the interior of the still body; the kettle comprises a kettle body, and is characterized in that an end head is arranged outside the kettle body, the end head comprises a shell, the interior of the shell is divided into a water inlet area positioned at the upper part and a water drainage area positioned at the lower part by a partition plate, a water inlet connected with the water inlet area and a water outlet connected with the water drainage area are arranged on the shell, a converging barrel is arranged at the bottom of the kettle body, connecting pipes connected with the converging barrel are arranged in the water inlet area and the water drainage area, and a flow mixer is arranged on the connecting pipes; the flow mixer comprises a cylinder body, wherein a plurality of groups of turbulent flow blade groups are arranged in the cylinder body, each turbulent flow blade group comprises a plurality of guide blades, and a guide port with the same guide direction is formed between two adjacent guide blades; the gas supply pipe is connected with a gas distribution pipe arranged at the bottom of the kettle body, the gas supply pipe is provided with a gas pump, and the gas distribution pipe is provided with a plurality of gas outlet holes.
The rectification kettle is used for reversing the rectified high-temperature mixed gas and then guiding the rectified high-temperature mixed gas into the rectification kettle again, and carrying out secondary air floatation mixing on the raw material liquid in the rectification kettle body.
Disclosure of Invention
The utility model aims to provide a rectifying still for extracting water-based fluoroalcohol perfluorooctyl propylene glycol, which is used for guiding rectified high-temperature mixed gas into a feeding bin and preheating raw material liquid, so that the temperature difference of the raw material liquid during rectification is reduced, and the cooling extraction rate of rectification substances in the high-temperature mixed gas is accelerated.
In order to achieve the above object, the present utility model provides the following technical solutions: a rectifying still for extracting water-based fluorine alcohol perfluoro octyl propylene glycol comprises a rectifying still body:
the top of the rectifying still body is provided with a feeding pipe, and the feeding pipe is provided with a feeding bin;
a liquid discharge pipe is arranged at the bottom of the rectifying kettle body, and a gas heat exchange component is arranged in the rectifying kettle body;
an exhaust pipe is arranged at the top of the rectifying still body, and a liquid collecting component is arranged at the air outlet side of the exhaust pipe;
and a preheating component for switching the flow direction of the rectified gas to the feeding bin or the liquid collecting component is arranged on the exhaust pipe.
As a further description of the above technical solution:
the gas heat exchange assembly comprises a heat exchange tube positioned in the rectifying still body, an air inlet tube is arranged on the air inlet side of the heat exchange tube, and an air outlet tube is arranged on the air outlet side of the heat exchange tube.
As a further description of the above technical solution:
the liquid collecting component comprises a condenser connected with the exhaust pipe, and a discharge pipe and an extraction pipe are respectively arranged on the condenser.
As a further description of the above technical solution:
the preheating assembly comprises a preheating pipe positioned in the feeding bin, a preheating inlet pipe is arranged on the air inlet side of the preheating pipe, the preheating inlet pipe is connected with a first three-way valve on the exhaust pipe, and a preheating outlet pipe connected with the condenser is arranged on the air outlet side of the preheating pipe.
As a further description of the above technical solution:
the inner wall of the rectifying still body is provided with an L-shaped filter frame.
As a further description of the above technical solution:
the device also comprises a blowing assembly;
the blowing subassembly is including setting up the blowing pipe in the inside bottom of rectifying still body, and the bottom of blowing pipe is provided with the jetting head, and the air inlet side of blowing pipe is provided with the shunt tubes, and the shunt tubes is connected with the last second three-way valve of intake pipe.
As a further description of the above technical solution:
and the rectifying kettle body is respectively provided with an air pressure gauge and a thermometer.
In the technical scheme, the rectifying still for extracting the water-based fluoroalcohol perfluorooctyl propylene glycol has the following beneficial effects:
this rectifying still is through the preheating component that sets up, can be with the internal high temperature gas mixture that produces after rectifying of rectifying still in leading-in preheating component, and advance in the feeding storehouse to carry out preliminary preheating operation to the low temperature raw materials liquid that stores in the feeding storehouse, improve the initial temperature of raw materials liquid in the feeding storehouse, can enough reduce the raw materials liquid and get into the internal temperature difference between rectifying still and the high temperature gas, accelerate the rectification rate of raw materials liquid, also make the high temperature gas mixture that the rectification produced simultaneously can be cooled down, and then be convenient for follow-up to the cooling collection operation of rectification material in the high temperature gas mixture.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic structural diagram of a rectifying still for extracting water-based fluoroalcohol perfluorooctyl propanediol provided by the embodiment of the utility model;
FIG. 2 is a schematic diagram of a connection between a preheating assembly and a liquid collecting assembly according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a blowing assembly according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a feeding bin; 2. a preheating assembly; 21. preheating a feed pipe; 22. a preheating tube; 23. preheating the outlet pipe; 3. a liquid collection assembly; 31. a condenser; 32. a discharge pipe; 33. an extraction tube; 4. an exhaust pipe; 5. a first three-way valve; 6. a feed pipe; 7. a rectifying kettle body; 8. a heat exchange tube; 9. an air inlet pipe; 10. a second three-way valve; 11. a filter frame; 12. an air outlet pipe; 13. a blowing assembly; 131. a shunt; 132. a blowing pipe; 133. a blowing head; 14. a liquid discharge pipe; 15. an air pressure gauge; 16. a thermometer.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, a rectifying still for extracting aqueous fluoroalcohol perfluorooctyl propylene glycol comprises a rectifying still body 7:
a feed pipe 6 is arranged at the top of the rectifying kettle body 7, a feed bin 1 is arranged on the feed pipe 6, water-based fluoroalcohol perfluorooctyl propylene glycol raw material liquid is added into the feed bin 1 for storage, and the raw material liquid is led into the rectifying kettle body 7 through the feed pipe 6;
the bottom of the rectifying still body 7 is provided with a liquid discharge pipe 14, the rectifying still body 7 is internally provided with a gas heat exchange component, and the gas heat exchange component is externally connected with a high-temperature gas heat supply pipeline, so that gas required by high-temperature rectification can be introduced into the gas heat exchange component, and the high-temperature gas is in contact heat exchange with the low-temperature aqueous fluoroalcohol perfluorooctyl propanediol raw material liquid in the rectifying still body 7, so that the aqueous fluoroalcohol perfluorooctyl propanediol raw material liquid is subjected to rectification treatment;
an exhaust pipe 4 is arranged at the top of the rectifying kettle body 7, a liquid collecting component 3 is arranged at the air outlet side of the exhaust pipe 4, high-temperature mixed gas is generated after the water-based fluoroalcohol perfluorooctyl propylene glycol raw material liquid is rectified, the high-temperature mixed gas is led into the liquid collecting component 3 through the exhaust pipe 4, and the water-based fluoroalcohol perfluorooctyl propylene glycol substances in the high-temperature mixed gas are subjected to cooling and collecting treatment;
the preheating component 2 in the feeding bin 1 or the liquid collecting component 3 is arranged on the exhaust pipe 4, so that high-temperature mixed gas generated after rectification in the rectifying still body 7 can be led into the preheating component 2 and enter the feeding bin 1 to perform preliminary preheating operation on low-temperature aqueous fluorine alcohol perfluoro octyl propylene glycol raw material liquid stored in the feeding bin 1, the initial temperature of the raw material liquid in the feeding bin 1 is improved, the temperature difference between the raw material liquid entering the rectifying still body 7 and the high-temperature gas can be reduced, the rectifying rate of the raw material liquid is accelerated, and meanwhile, the high-temperature mixed gas generated by rectification can be cooled, so that the subsequent operation of cooling and collecting rectifying substances in the high-temperature mixed gas is facilitated.
The gas heat exchange assembly comprises a heat exchange tube 8 positioned in a rectifying still body 7, an air inlet pipe 9 is arranged on the air inlet side of the heat exchange tube 8, an air outlet pipe 12 is arranged on the air outlet side of the heat exchange tube 8, high-temperature gas required by rectification is led into the heat exchange tube 8 through the air inlet pipe 9 and flows from bottom to top in the rectifying still body 7, high-temperature rectification treatment is carried out on aqueous fluoroalcohol perfluorooctyl propylene glycol raw material liquid, and the high-temperature gas after rectification is cooled and is discharged outwards from the air outlet pipe 12.
The liquid collecting component 3 comprises a condenser 31 connected with the exhaust pipe 4, a discharge pipe 32 and an extraction pipe 33 are respectively arranged on the condenser 31, and high-temperature mixed gas generated by rectification in the rectifying still body 7 can enter the condenser 31 to be cooled, so that water-based fluoroalcohol perfluorooctyl propanediol substance contained in the mixed gas can be liquefied and purified, and is collected through the extraction pipe 33.
The preheating component 2 comprises a preheating pipe 22 positioned in the feeding bin 1, a preheating inlet pipe 21 is arranged on the air inlet side of the preheating pipe 22, the preheating inlet pipe 21 is connected with a first three-way valve 5 on the exhaust pipe 4, a preheating outlet pipe 23 connected with a condenser 31 is arranged on the air outlet side of the preheating pipe 22, under the control of the first three-way valve 5, high-temperature mixed gas in the exhaust pipe 4 is led into the preheating inlet pipe 21 and flows into the preheating pipe 22, the preheating treatment is carried out on the low-temperature aqueous fluorine alcohol perfluorooctyl propanediol raw material liquid in the feeding bin 1, the initial temperature of the aqueous fluorine alcohol perfluorooctyl propanediol raw material liquid is improved, the temperature difference between the aqueous fluorine alcohol perfluorooctyl propanediol raw material liquid entering the rectifying kettle 7 and the high-temperature gas is reduced, the rectifying efficiency of the aqueous fluorine alcohol perfluorooctyl propanediol raw material liquid is quickened, and meanwhile, the high-temperature mixed gas generated by rectification can be cooled, and the subsequent cooling and collecting operations of rectification substances in the high-temperature mixed gas are facilitated.
The inner wall of rectifying still body 7 is provided with L shape filter stand 11, and filter stand 11 can form filtration in the outside of inlet pipe 6, carries out filtration to the aqueous fluorine alcohol perfluoro octyl propylene glycol raw materials liquid that gets into rectifying still body 7, prevents that the granule impurity from drifting everywhere in rectifying still body 7.
Still include jetting subassembly 13, jetting subassembly 13 is including setting up the jetting pipe 132 in the inside bottom of rectifying still body 7, the bottom of jetting pipe 132 is provided with the jetting head 133, the air inlet side of jetting pipe 132 is provided with shunt tubes 131, and shunt tubes 131 are connected with the second three-way valve 10 on the intake pipe 9, under the effect of second three-way valve 10, introduce shunt tubes 131 with the high temperature gas in the intake pipe 9, and get into the jetting pipe 132 and flow, at last with high temperature gas jetting to the inner wall bottom of rectifying still body 7 under the jetting effect of jetting head 133, can play the clearance effect to the granule impurity of gathering in rectifying still body 7 bottom, be convenient for carry out emission treatment to the waterborne fluorine alcohol perfluoro octyl propylene glycol raw materials after the rectification.
The rectifying still body 7 is respectively provided with an air pressure gauge 15 and a thermometer 16 which are used for monitoring the rectifying air pressure and the rectifying temperature in the rectifying still body 7 in real time.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. The utility model provides a rectifying still that waterborne fluorine alcohol perfluoro octyl propylene glycol draws, includes rectifying still body (7), its characterized in that:
the top of the rectifying kettle body (7) is provided with a feeding pipe (6), and the feeding pipe (6) is provided with a feeding bin (1);
a liquid discharge pipe (14) is arranged at the bottom of the rectifying kettle body (7), and a gas heat exchange component is arranged in the rectifying kettle body (7);
an exhaust pipe (4) is arranged at the top of the rectifying kettle body (7), and a liquid collecting component (3) is arranged at the air outlet side of the exhaust pipe (4);
the exhaust pipe (4) is provided with a preheating component (2) for switching the flow direction of rectifying gas in the feeding bin (1) or the liquid collecting component (3).
2. The rectifying still for extracting water-based fluoroalcohol perfluorooctyl propanediol according to claim 1, which is characterized in that: the gas heat exchange assembly comprises a heat exchange tube (8) positioned in the rectifying still body (7), an air inlet pipe (9) is arranged on the air inlet side of the heat exchange tube (8), and an air outlet pipe (12) is arranged on the air outlet side of the heat exchange tube (8).
3. The rectifying still for extracting water-based fluoroalcohol perfluorooctyl propanediol according to claim 1, which is characterized in that: the liquid collecting assembly (3) comprises a condenser (31) connected with the exhaust pipe (4), and a discharge pipe (32) and an extraction pipe (33) are respectively arranged on the condenser (31).
4. The rectifying still for extracting water-based fluoroalcohol perfluorooctyl propanediol according to claim 1, which is characterized in that: the preheating assembly (2) comprises a preheating pipe (22) positioned in the feeding bin (1), a preheating inlet pipe (21) is arranged on the air inlet side of the preheating pipe (22), the preheating inlet pipe (21) is connected with a first three-way valve (5) on the exhaust pipe (4), and a preheating outlet pipe (23) connected with the condenser (31) is arranged on the air outlet side of the preheating pipe (22).
5. The rectifying still for extracting water-based fluoroalcohol perfluorooctyl propanediol according to claim 1, which is characterized in that: the inner wall of the rectifying kettle body (7) is provided with an L-shaped filter frame (11).
6. The rectifying still for extracting water-based fluoroalcohol perfluorooctyl propanediol according to claim 1, which is characterized in that: further comprises a blowing assembly (13);
the blowing subassembly (13) is including setting up in the inside bottom of rectifying still body (7) jetting pipe (132), and the bottom of jetting pipe (132) is provided with jetting head (133), and the air inlet side of jetting pipe (132) is provided with shunt tubes (131), and shunt tubes (131) are connected with second three-way valve (10) on intake pipe (9).
7. The rectifying still for extracting water-based fluoroalcohol perfluorooctyl propanediol according to claim 1, which is characterized in that: the rectifying kettle body (7) is respectively provided with an air pressure meter (15) and a thermometer (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320363087.3U CN219440713U (en) | 2023-03-01 | 2023-03-01 | Rectifying still that waterborne fluorine alcohol perfluoro octyl propylene glycol draws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320363087.3U CN219440713U (en) | 2023-03-01 | 2023-03-01 | Rectifying still that waterborne fluorine alcohol perfluoro octyl propylene glycol draws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219440713U true CN219440713U (en) | 2023-08-01 |
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ID=87421152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320363087.3U Active CN219440713U (en) | 2023-03-01 | 2023-03-01 | Rectifying still that waterborne fluorine alcohol perfluoro octyl propylene glycol draws |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219440713U (en) |
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2023
- 2023-03-01 CN CN202320363087.3U patent/CN219440713U/en active Active
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