CN214209472U - Efficient continuous rectifying device - Google Patents
Efficient continuous rectifying device Download PDFInfo
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- CN214209472U CN214209472U CN202023269353.1U CN202023269353U CN214209472U CN 214209472 U CN214209472 U CN 214209472U CN 202023269353 U CN202023269353 U CN 202023269353U CN 214209472 U CN214209472 U CN 214209472U
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Abstract
The utility model relates to a high-efficient continuous rectification device, include: a primary rectifying tower for primarily rectifying a raw material liquid; the purification and rectification tower is used for rectifying again, and is connected with the primary rectification tower through a first conveying pump and a conveying pipeline; the finished product rectifying tower is connected with the purification rectifying tower through a second conveying pump and a conveying pipeline; the top of the primary rectifying tower is provided with a first condenser, and the lower part of the primary rectifying tower is provided with a primary heavy-phase liquid outlet pipe and is connected to the purifying and rectifying tower; the top of the purification and rectification tower is provided with a second condenser, and the lower part of the purification and rectification tower is provided with a purified heavy phase liquid outlet pipe and is connected to a finished product rectification tower; and a third condenser is arranged at the top of the finished product rectifying tower. The utility model discloses can carry out serialization rectification operation, greatly improve rectification separation efficiency to the limit, advance the material in succession, suitable industrial production increases tail gas treatment, reduces the pollution to the environment, and is energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a technical field of fine chemical industry rectifier unit, especially a high-efficient continuous rectifier unit's technical field.
Background
Along with the increasing of the oral health care consciousness, the dental hypersensitivity is also paid attention, and when the dental hypersensitive medicament is stimulated from the outside, the flow rate of the dentin fluid is changed to cause swelling and compression of dentin cells and projections of the dentin cells, and the pulp nerve endings are mechanically stirred to cause pain. The use of a desensitizing paste for treatment enables the prevention and treatment of dentinal hypersensitivity in a patient. In the production process of the desensitizing paste, a rectifying device is required to separate liquids with different volatility.
Rectification is a distillation process that separates liquid mixtures using reflux to obtain a high purity separation of the liquid mixture. The existing rectifying device uses an intermittent rectifying mode in the production process, namely a rectifying kettle is combined with a rectifying tower, so that the equipment occupies a large area, the operation is troublesome, the productivity is low, and when more components exist in a mixture, segmented rectification is required, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem among the prior art, provide a high-efficient continuous rectifier unit, can carry out serialization rectification operation, greatly limit ground improves rectification separation efficiency, and the suitable industrial production of continuous business turn over material, preparation efficiency is high, and the rectification is effectual to increase tail gas treatment, energy-concerving and environment-protective.
The utility model discloses an overcome the problem that prior art exists, provide following technical scheme:
an efficient continuous rectification apparatus comprising:
a primary rectifying tower for primarily rectifying a raw material liquid;
the purification and rectification tower is used for rectifying again, and is connected with the primary rectification tower through a first conveying pump and a conveying pipeline;
the finished product rectifying tower is connected with the purification rectifying tower through a second conveying pump and a conveying pipeline;
the top of the primary rectifying tower is provided with a first condenser, and the lower part of the primary rectifying tower is provided with a primary heavy-phase liquid outlet pipe and is connected to the purifying and rectifying tower; the top of the purification and rectification tower is provided with a second condenser, and the lower part of the purification and rectification tower is provided with a purified heavy phase liquid outlet pipe and is connected to a finished product rectification tower; and the top of the finished product rectifying tower is provided with a third condenser, and the first condenser, the second condenser and the third condenser are connected with a tail gas collecting pipe and a tail gas processing device through pipelines.
In the high-efficient continuous distillation plant that this application discloses, optionally, be equipped with the feed liquor pipe on the elementary rectifying column, be equipped with the edulcoration ware on the feed liquor pipe, edulcoration ware bottom is equipped with the impurity outlet pipe.
In the efficient continuous rectification device disclosed by the application, optionally, the upper part of the primary rectification tower is provided with a first pressure regulator, the upper part of the purification rectification tower is provided with a second pressure regulator, and the upper part of the finished product rectification tower is provided with a third pressure regulator.
In the high-efficiency continuous rectification apparatus disclosed in the present application, optionally, the bottom of the primary rectification column is connected to a first reboiler through a pipe, and the bottom of the purification rectification column is connected to a second reboiler through a pipe.
In the efficient continuous rectification device disclosed by the application, optionally, the first condenser is connected with a light phase liquid collecting tank, and a gas return pipe is further arranged on the light phase liquid collecting tank and is connected to an air inlet of the first condenser.
In the efficient continuous rectification device disclosed by the application, optionally, the bottom of the primary rectification tower is provided with a heating device, the primary rectification tower is internally provided with tower plates, the tower plates are fixed on the inner wall of the primary rectification tower and distributed at intervals, and the bottom of the tower plate is provided with a filter screen.
In the efficient continuous rectification device disclosed by the application, a finished product heavy phase liquid outlet pipe is optionally arranged at the lower part of the finished product rectification tower.
In the high-efficient continuous rectifier unit that this application discloses, optionally, finished product rectifying column bottom is equipped with rectification raffinate outlet pipe, and the raffinate accumulator tank is connected to the rectification raffinate outlet pipe, be equipped with the control valve on the rectification raffinate outlet pipe.
The utility model has the advantages that:
the utility model discloses can carry out serialization rectification operation, greatly limit ground improves rectification separation efficiency, to the further rectification purification of separation liquid, directly obtains the finished product, and the material is passed in and out in succession, suitable industrial production, and preparation efficiency is high, and the rectification is effectual to increased tail gas treatment, reduced the pollution to the environment, energy-concerving and environment-protective, the quantity of material kind adjustment rectifying column when can also being according to the in-service use, extensive applicability.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a high-efficiency continuous rectifying apparatus;
fig. 2 is a schematic view of the structure of the primary rectification column.
In the drawings
1-a trash separator; 11-impurity outlet pipe; 2-a primary rectification column; 21-a first pressure regulator; 22-a first condenser; 221-light phase liquid collecting tank; 222-gas return line; 23-a first delivery pump; 24-a liquid inlet pipe; 25-column plate; 26-a primary heavy phase liquid outlet pipe; 27-a heating device; 3-a first reboiler; 4-a purification and rectification tower; 41-a second pressure regulator; 42-a second condenser; 43-a second delivery pump; 5-a second reboiler; 6-finished product rectifying tower; 61-a third pressure regulator; 62-a third condenser; 63-a finished product heavy phase liquid outlet pipe; 7-a rectification residual liquid outlet pipe; 71-a control valve; 72-a raffinate recovery tank; 8-a tail gas collecting pipe; 9-tail gas treatment device.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Moreover, the embodiments of the present application may repeat reference numerals or letters in the various examples, which are repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model relates to a high-efficient continuous rectification device, include:
a primary rectifying tower 2, wherein the primary rectifying tower 2 is used for carrying out primary rectification on the raw material liquid;
the purification and rectification tower 4 is used for rectifying again, and the purification and rectification tower 4 is connected with the primary rectification tower 2 through a first conveying pump 23 and a conveying pipeline;
the finished product rectifying tower 6 is connected with the purification rectifying tower 4 through a second conveying pump 43 and a conveying pipeline;
wherein, the top of the primary rectifying tower 2 is provided with a first condenser 22, the lower part of the primary rectifying tower 2 is provided with a primary heavy phase liquid outlet pipe 26 and is connected to the purifying rectifying tower 4; the top of the purification and rectification tower 4 is provided with a second condenser 42, and the lower part of the purification and rectification tower 4 is provided with a purified heavy phase liquid outlet pipe and is connected to the finished product rectification tower 6; and a third condenser 62 is arranged at the top of the finished product rectifying tower 6, and the first condenser 22, the second condenser 42 and the third condenser 62 are connected with a tail gas collecting pipe 8 and a tail gas processing device 9 through pipelines. Can effectively clean and treat tail gas and reduce the pollution to the environment.
The primary rectifying tower 2 is provided with a liquid inlet pipe 24, the liquid inlet pipe 24 is provided with an impurity remover 1, and the bottom of the impurity remover 1 is provided with an impurity outlet pipe 11. Impurities which possibly cause the blockage of the tower group can be removed firstly, the continuous working efficiency of rectification is ensured, and the product purity is ensured.
The upper part of the primary rectifying tower 2 is provided with a first pressure regulator 21, the upper part of the purification rectifying tower 4 is provided with a second pressure regulator 41, and the upper part of the finished product rectifying tower 6 is provided with a third pressure regulator 61. According to different raw materials to be treated, the preparation process is accelerated by selecting pressurization or negative pressure operation.
The bottom of the primary rectifying tower 2 is connected with a first reboiler 3 through a pipeline, and the bottom of the purification rectifying tower 4 is connected with a second reboiler 5 through a pipeline. The gas generated by the reboiler flows back to the rectifying tower.
And a finished product heavy phase liquid outlet pipe 63 is arranged at the lower part of the finished product rectifying tower 6. And a rectification residual liquid outlet pipe 7 is arranged at the bottom of the finished product rectification tower 6, the rectification residual liquid outlet pipe 7 is connected with a residual liquid recovery tank 72, and a control valve 71 is arranged on the rectification residual liquid outlet pipe 7. Residual liquid is collected and treated, waste of raw materials is avoided, resource utilization rate is improved, and cost is saved.
As shown in fig. 2, the specific structure of the primary rectification column: the first condenser 22 is connected to a light phase liquid collecting tank 221, and a gas return pipe 222 is further disposed on the light phase liquid collecting tank 221 and connected to an air inlet of the first condenser 22. The uncondensed gas is refluxed and condensed again, and the condensing effect is improved. The condensing systems of a plurality of rectifying towers can be simplified into the same system, so that the structure is more compact, and the production cost is reduced.
The bottom of the primary rectifying tower 2 is provided with a heating device 27, the primary rectifying tower 2 is internally provided with tower plates 25, the tower plates 25 are fixed on the inner wall of the primary rectifying tower 2 and distributed at intervals, and the bottom of each tower plate 25 is provided with a filter screen. The tower plate 25 structure designed like this can provide a smooth passage for liquid, avoid the liquid layer to be too high, and improve the gas-liquid distribution state, thereby saving steam, and the purification rectifying tower 4 and the finished product rectifying tower 6 are also of similar structures inside.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a high-efficient continuous rectification device which characterized in that: the method comprises the following steps:
a primary rectifying tower (2), wherein the primary rectifying tower (2) is used for carrying out primary rectification on the raw material liquid;
the purification and rectification tower (4), the purification and rectification tower (4) rectifies again, and the purification and rectification tower (4) is connected with the primary rectification tower (2) through a first conveying pump (23) and a conveying pipeline;
the finished product rectifying tower (6), the finished product rectifying tower (6) is connected with the purifying rectifying tower (4) through a second conveying pump (43) and a conveying pipeline;
wherein, the top of the primary rectifying tower (2) is provided with a first condenser (22), and the lower part of the primary rectifying tower (2) is provided with a primary heavy phase liquid outlet pipe (26) and connected to the purifying and rectifying tower (4); the top of the purification and rectification tower (4) is provided with a second condenser (42), and the lower part of the purification and rectification tower (4) is provided with a purified heavy phase liquid outlet pipe and is connected to a finished product rectification tower (6); the top of the finished product rectifying tower (6) is provided with a third condenser (62), and the first condenser (22), the second condenser (42) and the third condenser (62) are connected with a tail gas collecting pipe (8) and a tail gas treatment device (9) through pipelines.
2. A high efficiency continuous rectification apparatus as claimed in claim 1 wherein: be equipped with feed liquor pipe (24) on primary rectifying column (2), be equipped with edulcoration ware (1) on feed liquor pipe (24), edulcoration ware (1) bottom is equipped with impurity outlet pipe (11).
3. A high efficiency continuous rectification apparatus as claimed in claim 1 wherein: the upper part of the primary rectifying tower (2) is provided with a first pressure regulator (21), the upper part of the purification rectifying tower (4) is provided with a second pressure regulator (41), and the upper part of the finished product rectifying tower (6) is provided with a third pressure regulator (61).
4. A high efficiency continuous rectification apparatus as claimed in claim 1 wherein: the bottom of the primary rectifying tower (2) is connected with a first reboiler (3) through a pipeline, and the bottom of the purification rectifying tower (4) is connected with a second reboiler (5) through a pipeline.
5. A high efficiency continuous rectification apparatus as claimed in claim 1 wherein: the first condenser (22) is connected with a light phase liquid collecting tank (221), and a gas return pipe (222) is further arranged on the light phase liquid collecting tank (221) and is connected to an air inlet of the first condenser (22).
6. A high efficiency continuous rectification apparatus as claimed in claim 1 wherein: the bottom of the primary rectifying tower (2) is provided with a heating device (27), the primary rectifying tower (2) is internally provided with tower plates (25), the tower plates (25) are fixed on the inner wall of the primary rectifying tower (2) and distributed at intervals, and the bottom of each tower plate (25) is provided with a filter screen.
7. A high efficiency continuous rectification apparatus as claimed in claim 1 wherein: and a finished product heavy phase liquid outlet pipe (63) is arranged at the lower part of the finished product rectifying tower (6).
8. A high efficiency continuous distillation apparatus as claimed in claim 7, wherein: and a rectification residual liquid outlet pipe (7) is arranged at the bottom of the finished product rectification tower (6), the rectification residual liquid outlet pipe (7) is connected with a residual liquid recovery tank (72), and a control valve (71) is arranged on the rectification residual liquid outlet pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269353.1U CN214209472U (en) | 2020-12-30 | 2020-12-30 | Efficient continuous rectifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269353.1U CN214209472U (en) | 2020-12-30 | 2020-12-30 | Efficient continuous rectifying device |
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| Publication Number | Publication Date |
|---|---|
| CN214209472U true CN214209472U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023269353.1U Active CN214209472U (en) | 2020-12-30 | 2020-12-30 | Efficient continuous rectifying device |
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| CN (1) | CN214209472U (en) |
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