CN215876324U - Novel device for efficiently extracting and separating acetaldoxime - Google Patents
Novel device for efficiently extracting and separating acetaldoxime Download PDFInfo
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- CN215876324U CN215876324U CN202121867715.9U CN202121867715U CN215876324U CN 215876324 U CN215876324 U CN 215876324U CN 202121867715 U CN202121867715 U CN 202121867715U CN 215876324 U CN215876324 U CN 215876324U
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Abstract
The utility model discloses a novel device for efficiently extracting and separating acetaldoxime, wherein the upper end of an extraction column A is respectively connected with a buffer tank A and a feed pump D through pipelines, and the lower end of the extraction column A is respectively connected with the feed pump A and a water phase tank through pipelines; the upper end of the extraction column B is respectively connected with the feed pump and the oil phase tank in a pipeline way, and the lower end of the extraction column B is respectively connected with the feed pump B and the buffer tank B in a pipeline way; the feed pump A is connected with the extraction column A in a pipeline way; the upper end of the buffer tank A is connected with the extraction column A in a pipeline way, and the lower end of the buffer tank A is connected with the feed pump B in a pipeline way; the upper end of the water phase tank is connected with the lower end of the extraction column A in a pipeline way; one end of a feed pump B is connected with the buffer tank A in a pipeline manner, and the other end of the feed pump B is connected with the extraction column B in a pipeline manner; the feed pump C is connected with the extraction column B in a pipeline way. The extraction efficiency is improved, the acetaldoxime and the organic ketone products are effectively separated, and the purity of the acetaldoxime reaches more than 99 percent.
Description
Technical Field
The utility model relates to an extraction technology, in particular to a novel device for efficiently extracting and separating acetaldoxime.
Background
As is well known, the pipeline extraction technology is a common extraction technology and is widely applied in the extraction field. However, problems are encountered in the extraction and separation of acetaldoxime, when acetaldoxime and other organic ketone products coexist, because the solubility difference of acetaldoxime and other organic ketones in different solvents is small, conventional pipeline extraction equipment cannot effectively separate acetaldoxime from other organic ketone products, and acetaldoxime with the purity of more than 99% cannot be obtained.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a novel apparatus for efficiently extracting and separating acetaldoxime.
According to the technical solution provided by the embodiment of the present application,
a novel device for efficiently extracting and separating acetaldoxime comprises an extraction column A, an extraction column B, a feeding pump A, a buffer tank A, a water phase tank, a feeding pump B, a feeding pump C, a buffer tank B, a feeding pump D and an oil phase tank; the upper end of the extraction column A is respectively connected with the buffer tank A and the feeding pump D through pipelines, and the lower end of the extraction column A is respectively connected with the feeding pump A and the water phase tank through pipelines; the upper end of the extraction column B is respectively connected with the feed pump and the oil phase tank in a pipeline manner, and the lower end of the extraction column B is respectively connected with the feed pump B and the buffer tank B in a pipeline manner; the feed pump A is connected with the extraction column A in a pipeline manner; the upper end of the buffer tank A is connected with the extraction column A in a pipeline manner, and the lower end of the buffer tank A is connected with the feed pump B in a pipeline manner; the upper end of the water phase tank is connected with the lower end of the extraction column A in a pipeline way; one end of the feed pump B is connected with the buffer tank A in a pipeline manner, and the other end of the feed pump B is connected with the extraction column B in a pipeline manner; the feed pump C is connected with the extraction column B in a pipeline manner; the left end of the buffer tank B is connected with the extraction column B in a pipeline manner, the right end of the buffer tank B is connected with the feeding pump D in a pipeline manner, one end of the feeding pump D is connected with the buffer tank B in a pipeline manner, and the other end of the feeding pump D is connected with the extraction column A in a pipeline manner; the oil phase tank is connected with the extraction column B in a pipeline mode.
In the utility model, the extraction column A and the extraction column B are both cylinders, and the middle of the extraction column A and the middle of the extraction column B are connected by a feed pump C and a buffer tank A in a pipeline way. The extraction column A and the extraction column B are composed of two glass pipelines, the middle of the pipelines is connected by a tee joint and a flange with corresponding sizes, and a tetrafluoro gasket and the like are arranged in the pipelines to prevent liquid in the pipelines from leaking.
The middle of the extraction column A and the middle of the extraction column B are connected by a feed pump C and a buffer tank A in a pipeline way.
In the utility model, a feeding pump A, a feeding pump B, a feeding pump C and a feeding pump D are the same objects, the placing positions are different, the connected objects are different, the connection modes are all connected through pipelines, the upper parts are all spheres, and the lower parts are provided with a support.
In the utility model, the buffer tank A and the buffer tank B are the same object, the placing positions are different, and the connected objects are different.
In the utility model, the upper end of the water phase tank is connected with the extraction column A through a pipeline.
In the utility model, the upper end of the oil phase tank is connected with the extraction column B through a pipeline.
To sum up, the beneficial effect of this application: the extraction efficiency is improved, the acetaldoxime and the organic ketone products are effectively separated, and the purity of the acetaldoxime reaches more than 99 percent.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of example 1;
fig. 2 is a schematic structural view of embodiment 2.
Reference numbers in the figures: the device comprises an extraction column A-1, an extraction column B-2, a feed pump A-3, a buffer tank A-4, a water phase tank-5, a feed pump B-6, a feed pump C-7, a buffer tank B-8, a feed pump D-9, an oil phase tank 10 and a feed pump E-11.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1, as shown in fig. 1, the main glass tube size used in the glass extraction column: an inner diameter of 1.5 inches and a pipe length of 2 meters. The extraction column A and the extraction column B are composed of two glass pipelines, the middle of the pipelines is connected by a tee joint and a flange with corresponding sizes, and a tetrafluoro gasket and the like are arranged in the pipelines to prevent liquid in the pipelines from leaking. An extraction column A1 is filled with an extraction solvent, an extraction column B2 is filled with water, an extraction stock solution is pumped into an extraction column B2 from the middle upper part of the extraction column B2 through a feed pump E11, the extraction solvent is pumped into an extraction column A1 from the lower part of a first solvent column through a feed pump A3, extraction water is pumped into an extraction column B2 from the upper part of the extraction column B2 through a feed pump C7, an oil phase of the extraction column A1 naturally flows into a buffer tank B4 through the action of gravity, then is pumped into an extraction column B2 through the feed pump B6, an oil phase in the extraction column B2 naturally flows out of the extraction column B2 to an oil phase receiving tank 10 through the action of gravity, an aqueous phase flows out of the lower part of the extraction column B2 and enters the extraction column A1 through the upper part of the extraction column A1 through the feed pump B6, and an aqueous phase in the extraction column A1 flows out of the aqueous phase receiving tank 5 through a discharge valve control through the gravity. The interface of the water phase and the oil phase is controlled by adjusting the amount of the fed and discharged materials, the extraction effect is analyzed by gas phase detection, and if the water phase or the oil phase is unqualified, the use amount of the extraction solvent and the extraction water is adjusted to ensure the extraction effect.
Example 2, as shown in fig. 2, the main glass tube size used in the glass extraction column: an inner diameter of 1.5 inches and a pipe length of 2 meters. The extraction column A and the extraction column B are composed of two glass pipelines, the middle of the pipelines is connected by a tee joint and a flange with corresponding sizes, and a tetrafluoro gasket and the like are arranged in the pipelines to prevent liquid in the pipelines from leaking. Filling an extraction column 1 with an extraction solvent, filling an extraction column 2 with water, pumping an extraction stock solution into the extraction column A1 from the middle upper part of the extraction column A1 through a feed pump E11, pumping the extraction solvent into the extraction column from the lower part of the extraction column A1 through a feed pump, pumping the upper part of an extraction water extraction column B2 into an extraction column B2 through a feed pump C7, naturally flowing an oil phase of the extraction column A1 into a buffer tank A4 through the action of gravity, and pumping the oil phase into the extraction column B2 through a feed pump B6. The oil phase in the extraction column B2 naturally flows out of the extraction column B2 to the oil phase receiving tank 10 through gravity, the water phase flows out from the lower part of the pipeline, enters the extraction column A1 through the upper part of the extraction column A1 through a feed pump B6, and the gravity of the water phase in the extraction column A1 controls the outflow of the extraction column to the water phase receiving tank 5 through a discharge valve. The interface of the water phase and the oil phase is controlled by adjusting the amount of the fed and discharged materials, the extraction effect is analyzed by gas phase detection, and if the water phase or the oil phase is unqualified, the use amount of the extraction solvent and the extraction water is adjusted to ensure the extraction effect.
In the scheme, the extraction flux of the glass extraction column is 2 kg/h, and the purity of the cyclohexanone and the acetaldoxime after extraction can reach more than 99.5 percent, thereby meeting the requirements of pilot scale tests.
The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the utility model according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (6)
1. A novel device for efficiently extracting and separating acetaldoxime comprises an extraction column A (1), an extraction column B (2), a feeding pump A (3), a buffer tank A (4), a water phase tank (5), a feeding pump B (6), a feeding pump C (7), a buffer tank B (8), a feeding pump D (9) and an oil phase tank (10); the method is characterized in that: the upper end of the extraction column A (1) is respectively connected with the buffer tank A (4) and the feeding pump D (9) through pipelines, and the lower end of the extraction column A (1) is respectively connected with the feeding pump A (3) and the water phase tank (5) through pipelines; the upper end of the extraction column B (2) is respectively connected with a feed pump C (7) and an oil phase tank (10) in a pipeline manner, and the lower end of the extraction column B (2) is respectively connected with a feed pump B (6) and a buffer tank B (8) in a pipeline manner; the feed pump A (3) is connected with the extraction column A (1) through a pipeline; the upper end of the buffer tank A (4) is connected with the extraction column A (1) through a pipeline, and the lower end of the buffer tank A (4) is connected with a feed pump B (6) through a pipeline; the upper end of the water phase tank (5) is connected with the lower end of the extraction column A (1) through a pipeline; one end of the feed pump B (6) is connected with the buffer tank A (4) through a pipeline, and the other end of the feed pump B (6) is connected with the extraction column B (2) through a pipeline; the feed pump C (7) is connected with the extraction column B (2) by a pipeline; the left end of the buffer tank B (8) is connected with the extraction column B (2) through a pipeline, the right end of the buffer tank B (8) is connected with the feed pump D (9) through a pipeline, one end of the feed pump D (9) is connected with the buffer tank B (8) through a pipeline, and the other end of the feed pump D (9) is connected with the extraction column A (1) through a pipeline; the oil phase tank (10) is connected with the extraction column B (2) by a pipeline.
2. The new device for efficiently extracting and separating the acetaldoxime according to claim 1, which is characterized in that: the extraction column A (1) and the extraction column B (2) are both cylinders, and the middle of the extraction column A (1) and the extraction column B (2) is connected with a feed pump B (6) and a buffer tank A (4) through pipelines.
3. The new device for efficiently extracting and separating the acetaldoxime according to claim 1, which is characterized in that: the feeding pump A (3), the feeding pump B (6), the feeding pump C (7) and the feeding pump D (9) are the same kind of objects, the placing positions are different, the connected objects are different, the connecting modes are all connected through pipelines, the upper parts of the feeding pumps are spherical bodies, and a support is arranged below the feeding pumps.
4. The novel device for efficiently extracting and separating the acetaldoxime as claimed in claim 1, which is characterized in that: the buffer tank A (4) and the buffer tank B (8) are the same object, and the connection modes are all connected by pipelines.
5. The novel device for efficiently extracting and separating the acetaldoxime as claimed in claim 1, which is characterized in that: the upper end of the water phase tank (5) is connected with the extraction column A (1) through a pipeline.
6. The novel device for efficiently extracting and separating the acetaldoxime as claimed in claim 1, which is characterized in that: the upper end of the oil phase tank (10) is connected with the extraction column B (2) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121867715.9U CN215876324U (en) | 2021-08-11 | 2021-08-11 | Novel device for efficiently extracting and separating acetaldoxime |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121867715.9U CN215876324U (en) | 2021-08-11 | 2021-08-11 | Novel device for efficiently extracting and separating acetaldoxime |
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| CN215876324U true CN215876324U (en) | 2022-02-22 |
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| CN202121867715.9U Active CN215876324U (en) | 2021-08-11 | 2021-08-11 | Novel device for efficiently extracting and separating acetaldoxime |
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