CN115779497A - 2-bromo-3,3,3-trifluoropropene water removal device - Google Patents
2-bromo-3,3,3-trifluoropropene water removal device Download PDFInfo
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- CN115779497A CN115779497A CN202211565980.0A CN202211565980A CN115779497A CN 115779497 A CN115779497 A CN 115779497A CN 202211565980 A CN202211565980 A CN 202211565980A CN 115779497 A CN115779497 A CN 115779497A
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- Prior art keywords
- adsorption tower
- trifluoropropene
- bromo
- adsorption
- water removal
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- QKBKGNDTLQFSEU-UHFFFAOYSA-N 2-bromo-3,3,3-trifluoroprop-1-ene Chemical compound FC(F)(F)C(Br)=C QKBKGNDTLQFSEU-UHFFFAOYSA-N 0.000 title claims description 28
- 238000001179 sorption measurement Methods 0.000 claims abstract description 66
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 238000009833 condensation Methods 0.000 claims abstract description 6
- 230000005494 condensation Effects 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000002808 molecular sieve Substances 0.000 claims description 6
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 10
- 239000000945 filler Substances 0.000 abstract description 7
- 239000007787 solid Substances 0.000 abstract description 7
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 1
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- UOQFVJDVPODNNJ-UHFFFAOYSA-N BrC(=C)C(F)(F)F.BrC(=C)C(F)(F)F Chemical compound BrC(=C)C(F)(F)F.BrC(=C)C(F)(F)F UOQFVJDVPODNNJ-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 229920004449 Halon® Polymers 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Images
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The invention discloses a 2-bromine-3,3,3-trifluoropropene water removal device, which relates to the technical field of fire extinguishing material water control and comprises the following components: the feeding area comprises a raw material metering tank, a diaphragm pump, a raw material preheating device and a first moisture analyzer which are sequentially connected; the adsorption separation area comprises a first adsorption tower and a second adsorption tower which are connected in parallel, and the first moisture analyzer is connected with the first adsorption tower or the second adsorption tower; and the condensation collecting area comprises a second moisture analyzer, a condenser and a product metering tank which are sequentially connected, and the second moisture analyzer is correspondingly connected with the first adsorption tower or the second adsorption tower. The invention has the advantages that the liquid 2-bromine-3,3,3-trifluoropropene is heated and vaporized, enters the first adsorption tower or the second adsorption tower for fully removing water after measuring the water content, and is collected after condensing and measuring the water content; the two adsorption towers are mutually standby, and the solid water removal filler in the adsorption towers can be activated and regenerated for recycling.
Description
Technical Field
2-bromo-3,3,3-trifluoropropene (2-bromo-3,3,3-trifluoropropene), which is a degradable halogenated olefin, has good fire extinguishing performance due to the bromine atom contained in the molecular structure thereof, is considered as a high-efficiency substitute for a "Halon" fire extinguishing agent, and the American Standard technology institute (NIST) publishes 2-bromo-3,3,3-trifluoropropene Cup-Burner to extinguish an n-heptane fire at a critical fire extinguishing concentration of 2.6%, and the United states Environmental Protection Agency (EPA) publishes that the atmospheric survival time value (ALT) is 0.014, the ozone layer loss potential value (ODP) is 0.0028, and the greenhouse effect potential value (GWP) is 0.23-0.26,2-bromo-3,3,3-trifluoropropene is listed as a novel Substitute (SNAP) by the United states environmental protection agency on 1.12.2016.
2-bromo-3,3,3-trifluoropropene is easily decomposed in the atmosphere, has a survival time of only several days, and is advantageous in terms of environmental friendliness. However, easy decomposition in the atmosphere also means that 2-bromo-3,3,3-trifluoropropene has poor stability. Experimental research shows that 2-bromo-3,3,3-trifluoropropene is easily decomposed by factors such as light, oxygen and moisture to generate acid gas HBr, and HBr is strongly corrosive to metals and seriously influences the storage and use performance of 2-bromo-3,3,3-trifluoropropene, so that the control of the moisture content of 2-bromo-3,3,3-trifluoropropene is very important for the application of 2-bromo-3,3,3-trifluoropropene.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides a 2-bromo-3,3,3-trifluoropropene water removal device which has the advantages of simple process, good water removal effect, high efficiency and the like.
The technical solution of the invention is as follows:
a2-bromo-3,3,3-trifluoropropene water removal device comprises:
the feeding area comprises a raw material metering tank, a diaphragm pump, a raw material preheating device and a first moisture analyzer which are sequentially connected;
the adsorption separation zone comprises a first adsorption tower and a second adsorption tower which are connected in parallel, and the first moisture analyzer is connected with the first adsorption tower or the second adsorption tower;
and the condensation collecting area comprises a second moisture analyzer, a condenser and a product metering tank which are sequentially connected, and the second moisture analyzer is correspondingly connected with the first adsorption tower or the second adsorption tower.
In a preferred embodiment of the present invention, a plurality of partition plates are disposed in the first adsorption tower and the second adsorption tower, and the plurality of partition plates are arranged in a staggered manner in the height direction.
In a preferred embodiment of the present invention, the first adsorption tower and the second adsorption tower are filled with molecular sieves.
In a preferred embodiment of the invention, the pore size of the molecular sieve is any one or a combination of any several of 3A, 4A and 5A.
In a preferred embodiment of the present invention, the heating medium of the raw material preheating device is silicone oil, and the heating temperature is 60 ℃ to 75 ℃.
In a preferred embodiment of the present invention, the cooling medium of the condenser is water or 95% or more alcohol.
The invention has at least one of the following beneficial effects:
1. the invention can heat and vaporize liquid 2-bromo-3,3,3-trifluoropropene, the liquid enters an adsorption tower I or an adsorption tower II after moisture is measured by a moisture analyzer I, the liquid enters a condenser for condensation after the moisture is measured by a moisture analyzer II after the water is fully removed by a solid water removal filler in the adsorption tower, and the condensed liquid 2-bromo-3,3,3-trifluoropropene enters a product metering tank for collection.
2. The two adsorption towers are mutually standby, when the moisture content measured by the moisture analyzer II and the moisture content measured by the moisture analyzer I are not reduced, the two adsorption towers are connected through a valve control pipeline, the other adsorption tower is started, and the solid dewatering filler with saturated adsorption in the towers is activated and regenerated, so that the solid dewatering filler in the embodiment can be activated and regenerated for recycling.
3. Compared with the prior art, the water removal device has the advantages of simple structure, good water removal effect, high efficiency and the like.
Drawings
FIG. 1 is a schematic diagram of a 2-bromo-3,3,3-trifluoropropene water removal apparatus in an embodiment of the present invention;
the following are marked in the figure: 1. a raw material metering tank; 2. a diaphragm pump; 3. a raw material preheating device; 4. a first moisture analyzer; 5. a first adsorption tower; 6. a second adsorption tower; 7. a second moisture analyzer; 8. a condenser; 9. a product metering tank.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, the present embodiment provides a 2-bromo-3,3,3-trifluoropropene water removal apparatus, comprising:
the feeding area comprises a raw material metering tank 1, a diaphragm pump 2, a raw material preheating device 3 and a first moisture analyzer 4 which are connected in sequence; the raw material metering tank 1 is used for storing 2-bromine-3,3,3-trifluoropropene raw materials, the diaphragm pump 2 is used for conveying 2-bromine-3,3,3-trifluoropropene, the raw material preheating device 3 is used for heating and vaporizing liquid 2-bromine-3,3,3-trifluoropropene, and the moisture analyzer I4 is used for detecting moisture in the 2-bromine-3,3,3-trifluoropropene.
The adsorption separation zone comprises a first adsorption tower 5 and a second adsorption tower 6 which are connected in parallel and used for adsorbing moisture in liquid 2-bromine-3,3,3-trifluoropropene, a plurality of partition plates are arranged in the first adsorption tower 5 and the second adsorption tower 6 and are arranged in a staggered manner along the height direction; molecular sieves are filled in the first adsorption tower 5 and the second adsorption tower 6; the pore diameter of the molecular sieve is any one or combination of any several of 3A, 4A and 5A. The first moisture analyzer 4 is connected with the first adsorption tower 5 or the second adsorption tower 6, so that after moisture is detected by the first moisture analyzer 4, 2-bromo-3,3,3-trifluoropropene enters the first adsorption tower 5 or the second adsorption tower 6, the two adsorption towers are mutually standby, and when one adsorption tower is in adsorption saturation, the other adsorption tower can be started.
And the condensation collecting area comprises a second moisture analyzer 7, a condenser 8 and a product metering tank 9 which are sequentially connected, wherein the second moisture analyzer 7 is correspondingly connected with the first adsorption tower 5 or the second adsorption tower 6. The second moisture analyzer 7 is used for detecting moisture in the 2-bromo-3,3,3-trifluoropropene, the condenser 8 is used for cooling the vaporized 2-bromo-3,3,3-trifluoropropene into a liquid state, and the product metering tank 9 is used for storing a finished product of the 2-bromo-3,3,3-trifluoropropene.
In this embodiment, the heating medium of the raw material preheating device 3 is silicone oil, and the heating temperature is 60 ℃ to 75 ℃.
In this embodiment, the cooling medium of the condenser 8 is water or alcohol of 95% or more.
In this embodiment, liquid 2-bromo-3,3,3-trifluoropropene is led out from a raw material metering tank 1 through a diaphragm pump 2 to a raw material preheating device 3 for heating vaporization, 2-bromo-3,3,3-trifluoropropene gas enters a first adsorption tower 5 or a second adsorption tower 6 after moisture is measured by a first moisture analyzer 4, after solid water removal filler in the adsorption tower is used for fully removing water, 2-bromo-3,3,3-trifluoropropene gas enters a condenser 8 for condensation after moisture is measured by a second moisture analyzer 7, and condensed liquid 2-bromo-3,3,3-trifluoropropene enters a product metering tank 9 for collection.
The two adsorption towers in the embodiment are mutually standby, when the moisture content measured by the second moisture analyzer 7 and the moisture content measured by the first moisture analyzer 4 are not reduced, the two adsorption towers are connected through the valve control pipeline, the other adsorption tower is started, and the solid dewatering filler with saturated adsorption in the towers is activated and regenerated, so that the solid dewatering filler in the embodiment can be activated and regenerated for recycling.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A2-bromo-3,3,3-trifluoropropene water removal device is characterized by comprising:
the feeding area comprises a raw material metering tank (1), a diaphragm pump (2), a raw material preheating device (3) and a first moisture analyzer (4) which are sequentially connected;
the adsorption separation area comprises a first adsorption tower (5) and a second adsorption tower (6) which are connected in parallel, and the first moisture analyzer (4) is connected with the first adsorption tower (5) or the second adsorption tower (6);
and the condensation collecting area comprises a second moisture analyzer (7), a condenser (8) and a product metering tank (9) which are sequentially connected, wherein the second moisture analyzer (7) is correspondingly connected with the first adsorption tower (5) or the second adsorption tower (6).
2. The 2-bromo-3,3,3-trifluoropropene water removal device as claimed in claim 1, wherein a plurality of partition plates are arranged in the first adsorption tower (5) and the second adsorption tower (6), and the plurality of partition plates are staggered in the height direction.
3. The 2-bromo-3,3,3-trifluoropropene water removal device of claim 1, wherein the first adsorption column (5) and the second adsorption column (6) are filled with molecular sieves.
4. The 2-bromo-3,3,3-trifluoropropene water removal device of claim 3, wherein the pore size of the molecular sieve is any one or a combination of any several of 3A, 4A and 5A.
5. The 2-bromo-3,3,3-trifluoropropene water removal device according to claim 1, wherein a heating medium of the raw material preheating device (3) is silicone oil, and the heating temperature is 60-75 ℃.
6. The 2-bromo-3,3,3-trifluoropropene water removal device according to claim 1, wherein the cooling medium of the condenser (8) is water or alcohol with a concentration of 95% or more.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211565980.0A CN115779497A (en) | 2022-12-07 | 2022-12-07 | 2-bromo-3,3,3-trifluoropropene water removal device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211565980.0A CN115779497A (en) | 2022-12-07 | 2022-12-07 | 2-bromo-3,3,3-trifluoropropene water removal device |
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| CN115779497A true CN115779497A (en) | 2023-03-14 |
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| CN202211565980.0A Pending CN115779497A (en) | 2022-12-07 | 2022-12-07 | 2-bromo-3,3,3-trifluoropropene water removal device |
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|---|---|---|---|---|
| EP0300741A2 (en) * | 1987-07-20 | 1989-01-25 | Ortho Pharmaceutical Corporation | Human thymopoietin |
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| CN105001054A (en) * | 2015-07-03 | 2015-10-28 | 肥城金威机械有限公司 | Vapor phase feeding process for production of anhydrous alcohol with concentration of 99.9% |
| CN109776266A (en) * | 2019-02-28 | 2019-05-21 | 肥城金塔酒精化工设备有限公司 | A kind of energy-saving equipment and its power-economizing method producing absolute alcohol |
| CN109937196A (en) * | 2016-11-15 | 2019-06-25 | Ａｇｃ株式会社 | The manufacturing method of the chloro- 2,3,3- trifluoro propene of 1- |
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-
2022
- 2022-12-07 CN CN202211565980.0A patent/CN115779497A/en active Pending
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