CN213077530U - Isopropyl alcohol dewatering equipment - Google Patents
Isopropyl alcohol dewatering equipment Download PDFInfo
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- CN213077530U CN213077530U CN202021235541.XU CN202021235541U CN213077530U CN 213077530 U CN213077530 U CN 213077530U CN 202021235541 U CN202021235541 U CN 202021235541U CN 213077530 U CN213077530 U CN 213077530U
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Abstract
The utility model discloses an isopropanol dewatering device, wherein the isopropanol dewatering device comprises a rectifying device for rectifying a mixture of crude isopropanol raw material and a combined entrainer, and comprises a distillation still, a rectifying tower and a condenser, wherein the rectifying tower is connected with the distillation still, and the condenser is connected with the rectifying tower; the collecting device is used for collecting entrainer, water and isopropanol products and comprises a phase separator, an entrainer collecting tank, a water phase collecting tank and an isopropanol product collecting tank, wherein the phase separator is connected with the condenser, the entrainer collecting tank is connected with the phase separator, the water phase collecting tank is connected with the phase separator, the isopropanol product collecting tank is connected with the entrainer collecting tank, and the entrainer collecting tank is connected with the distillation kettle. The device can solve the problem of rectification dehydration of the isopropanol at low temperature, effectively solve the problem of azeotropy in the rectification process of the isopropanol and realize the dehydration of the isopropanol at low cost.
Description
Technical Field
The utility model relates to an isopropyl alcohol production technical field, in particular to isopropyl alcohol dewatering equipment.
Background
In the process of rectifying and producing the isopropanol, the isopropanol and the water can be evaporated simultaneously due to the fact that the two components of the water and the isopropanol generate an azeotropic mixture, and the content ratio of the isopropanol and the water in the steam is unchanged, so that the difficulty of rectifying, removing and separating the water from the isopropanol is greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an isopropyl alcohol dewatering equipment can effectively solve the azeotropic problem in isopropyl alcohol rectification in-process, realizes accomplishing the isopropyl alcohol dehydration with the low-cost.
According to the utility model discloses an isopropyl alcohol dewatering equipment of first aspect embodiment includes:
the rectifying device is used for rectifying the mixture of the crude isopropanol raw material and the combined entrainer and comprises a distillation kettle, a rectifying tower and a condenser, wherein the rectifying tower is connected with the distillation kettle, and the condenser is connected with the rectifying tower;
the collecting device is used for collecting entrainer, water and isopropanol products and comprises a phase separator, an entrainer collecting tank, a water phase collecting tank and an isopropanol product collecting tank, wherein the phase separator is connected with the condenser, the entrainer collecting tank is connected with the phase separator, the water phase collecting tank is connected with the phase separator, the isopropanol product collecting tank is connected with the entrainer collecting tank, and the entrainer collecting tank is connected with the distillation kettle.
According to the utility model discloses isopropyl alcohol removes device has following beneficial effect at least: adding the crude isopropanol raw material and the combined entrainer into a distillation kettle in proportion, stirring and heating, and forming a new azeotropic composition by the combined entrainer and water; heating and gasifying the mixture in a distillation kettle, then feeding the mixture into a rectifying tower, performing multiple times of partial gasification and multiple times of partial condensation in the rectifying tower to continuously improve the azeotropic composition of the isopropanol and the water, separating the water and the entrainer from a liquid phase after the mixture is condensed by a tower top condenser through an online water separator, and finally recovering the entrainer, a water phase and an isopropanol product; the device can solve the problem of rectification dehydration of the isopropanol at low temperature, effectively solve the problem of azeotropy in the rectification process of the isopropanol and realize the dehydration of the isopropanol at low cost.
According to some embodiments of the present invention, the distillation still is provided with an entrainer inlet, a raw material inlet and a steam outlet, the rectification column is provided with a steam inlet, a rectification steam outlet and a reflux inlet, and the condenser is provided with a condenser inlet and a condenser outlet; the steam outlet with steam inlet passes through the pipe connection, rectification steam outlet with the condenser entry passes through the pipe connection, the condenser export with the backward flow entry passes through the pipe connection. A reflux circulation is formed between the condenser and the rectifying tower, and a better rectifying effect is achieved by controlling the reflux ratio.
According to some embodiments of the utility model, still be provided with the condensation reflux entry, the rectifying column still is provided with the condensation reflux export, the condensation reflux entry with the condensation reflux export passes through the pipe connection. A reflux connection is formed between the distillation still and the rectifying tower, and the mixed liquid obtained after the condensation and liquefaction of the steam in the rectifying tower is directly sent back to the distillation still for reheating, so that the rectification is more complete.
According to some embodiments of the utility model, still including the configuration device, the configuration device is used for configuring combination entrainer, prepare jar and combination entrainer storage tank including combination entrainer, combination entrainer prepare jar with combination entrainer storage tank connects, combination entrainer storage tank with stills connects. Through adding the device that will dispose combination entrainer and store combination entrainer into equipment wholly, the combination entrainer that the configuration was gone out can directly be supplied with the use, avoids the loss that causes in the handling, and the higher more easily control of efficiency.
According to some embodiments of the present invention, the combined entrainer preparation tank is provided with an entrainer discharge port, the combined entrainer storage tank is provided with an entrainer feed port and an entrainer outlet; the entrainer discharge port is connected with the entrainer feeding port through a pipeline, and the entrainer outlet is connected with the entrainer inlet through a pipeline.
According to some embodiments of the invention, the combined entrainer preparation tank is further provided with a stirring rod in the shape of a boat anchor and a driving device; the stirring rod is arranged in the combined entrainer preparation tank, one end of the stirring rod extends out of the top of the combined entrainer preparation tank and is connected with the driving device, and the driving device is used for driving the stirring rod to rotate. The combined entrainer can be mixed more uniformly during preparation through stirring.
According to some embodiments of the present invention, the phase separator is provided with a phase separator inlet, a water phase outlet, an entrainer separation outlet and an isopropanol outlet, the water phase collection tank is provided with a water phase inlet, the entrainer collection tank is provided with a collection tank inlet and a collection tank outlet, the isopropanol product collection tank is provided with a product inlet; the phase separator inlet is connected with the condenser outlet through a pipeline, the water phase outlet is connected with the water phase inlet through a pipeline, the isopropanol outlet and the entrainer separation outlet are respectively connected with the collection tank inlet through a pipeline, and the collection tank outlet is connected with the product inlet through a pipeline. The water phase and the entrainer are separated and collected through the phase separator, secondary utilization can be carried out, and resource utilization maximization is realized.
According to some embodiments of the utility model, the stills still is provided with entrainer circulation entry, entrainer circulation entry with the collection tank export passes through the pipe connection. After being collected, the entrainer separated by the phase separator is directly sent into the distillation kettle again through the circulation loop for secondary use, so that the production cost is saved, and the production efficiency is improved.
According to some embodiments of the utility model, still include N type stirring rod and motor, N type stirring rod sets up still's inside, one end is followed still's top stretch out with the motor is connected, the motor is used for the drive N type stirring rod rotates. The inside of the distillation kettle is fully stirred by the N-type stirring rod, so that the heating and evaporation efficiency of the mixture in the distillation kettle is higher.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of an isopropyl alcohol water removing apparatus according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.
An isopropyl alcohol water removal apparatus according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1, an isopropyl alcohol water removal apparatus according to an embodiment of the present invention includes a rectification device 200 and a collection device 300. The rectifying device 200 is used for rectifying a mixture of a crude isopropanol raw material and a combined entrainer, and comprises a distillation still 210, a rectifying tower 220 and a condenser 230, wherein the rectifying tower 220 is connected with the distillation still 210, and the condenser 230 is connected with the rectifying tower 220; the collecting device 300 is used for collecting entrainer, water and isopropanol products and comprises a phase separator 310, an entrainer collecting tank 320, a water phase collecting tank 330 and an isopropanol product collecting tank 340, wherein the phase separator 310 is connected with the condenser 230, the entrainer collecting tank 320 is connected with the phase separator 310, the water phase collecting tank 330 is connected with the phase separator 310, the isopropanol product collecting tank 340 is connected with the entrainer collecting tank 320, and the entrainer collecting tank 320 is connected with the distillation kettle 210.
According to the isopropanol dewatering equipment provided by the embodiment of the utility model, crude isopropanol raw material and combined entrainer are added into the distillation still 210 in proportion, stirring and heating are carried out, and the combined entrainer and water form a new azeotropic composition; heating and gasifying the mixture in the distillation still 210, and introducing the steam into the rectifying tower 220; the vapor of the mixture is subjected to partial gasification and partial condensation for many times in the rectifying tower 220, so that the azeotropic composition of the isopropanol and the water is continuously improved, the water and the entrainer are separated by a liquid phase through an online water separator after the vapor is condensed by the tower top condenser 230, and finally the entrainer, the water phase and an isopropanol product are recovered to finish the rectification and the removal of the isopropanol; the device can solve the problem of rectification and dehydration of the isopropanol at low temperature, effectively solve the problem of azeotropy in the rectification process of the isopropanol and realize the rectification and dehydration of the isopropanol at low cost.
As shown in fig. 1, in some embodiments of the present invention, the distillation still 210 is provided with an entrainer inlet 211, a raw material inlet 212 and a steam outlet 213, the rectifying tower 220 is provided with a steam inlet 221, a rectifying steam outlet 222 and a reflux inlet 223, and the condenser 230 is provided with a condenser inlet 231 and a condenser outlet 232; the steam outlet 213 and the steam inlet 221 are connected by a pipe, the rectification steam outlet 222 and the condenser inlet 231 are connected by a pipe, and the condenser outlet 232 and the reflux inlet 223 are connected by a pipe. The entrainer inlet 211 is arranged at one side of the top of the distillation still 210, the raw material inlet 212 is arranged at the upper part of the side of the distillation still 210, and the steam outlet 213 is arranged at the other side of the top of the distillation still 210; the steam inlet 221 is disposed at the lower portion of the rectifying tower 220, the rectifying steam outlet 222 is disposed at the middle portion of the top end of the rectifying tower 220, the reflux inlet 223 is disposed at the upper portion of the rectifying tower 220, and the condenser outlet 232 and the condenser inlet 231 are respectively disposed at the lower side and the upper side of one end of the condenser 230.
The condenser 230 and the rectifying tower 220 form a reflux circulation connection through a condenser inlet 231, a rectifying steam outlet 222, a condenser outlet 232, a reflux inlet 223 and pipelines therebetween, and the reflux ratio of the reflux of the condenser 230 to the rectifying tower 220 is controlled, so that a better rectifying effect is achieved.
As shown in fig. 1, in some embodiments of the present invention, the distillation still 210 is further provided with a condensed reflux inlet 216, the rectifying tower 220 is further provided with a condensed reflux outlet 224, and the condensed reflux inlet 216 and the condensed reflux outlet 224 are connected by a pipeline. A condensate reflux inlet 216 is provided at the top of the still pot 210 and a condensate reflux outlet 224 is provided at the bottom of the rectification column 220. A reflux passage is formed between the distillation still 210 and the rectifying tower 220 through the condensed reflux inlet 216, the condensed reflux outlet 224 and the pipeline between the condensed reflux inlet and the condensed reflux outlet, and the mixed liquid obtained after the condensation and liquefaction of the steam in the rectifying tower 220 is directly sent back to the distillation still 210 for reheating, so that the rectification is more complete.
As shown in fig. 1, in some embodiments of the present invention, the present invention further comprises a configuration device 100, the configuration device 100 is used for configuring the combined entrainer, and comprises a combined entrainer preparation tank 110 and a combined entrainer storage tank 120, the combined entrainer preparation tank 110 is connected to the combined entrainer storage tank 120, and the combined entrainer storage tank 120 is connected to the distillation still 210. The combined entrainer preparation tank 110 is used for preparing a combined entrainer, is connected with the combined entrainer storage tank 120, and directly sends the prepared combined entrainer to the combined entrainer storage tank 120 for storage; the combined entrainer storage tank 120 is connected to the distillation still 210, and when the distillation still 210 needs it, the combined entrainer is directly fed into the distillation still 210. Through adding the device that will dispose combination entrainer and store combination entrainer into equipment wholly, the combination entrainer that the configuration was gone out can directly be supplied with the use, avoids the loss that causes in the handling, and the higher more easily control of efficiency.
As shown in fig. 1, in some embodiments of the present invention, the combined entrainer preparation tank 110 is provided with an entrainer discharge port 111, and the combined entrainer storage tank 120 is provided with an entrainer feed port 121 and an entrainer outlet 122; the entrainer outlet 111 is connected with the entrainer inlet 121 through a pipeline, and the entrainer outlet 122 is connected with the entrainer inlet 211 through a pipeline. The entrainer discharge port 111 is arranged at the bottom end of the combined entrainer preparation tank 110, the entrainer feed port 121 is arranged at the top of the combined entrainer storage tank 120, and the entrainer outlet 122 is arranged at the bottom of the combined entrainer storage tank 120. The entrainer outlet 122 is connected with the entrainer inlet 211 through a pipeline, the combined entrainer is directly conveyed to the distillation kettle 210 through the pipeline, the instantaneity of the combined entrainer in the conveying process is reduced, the real-time feeding can be realized, and the production efficiency is improved.
As shown in fig. 1, in some embodiments of the present invention, the combined entrainer preparation tank 110 is further provided with a stirring rod 112 in the shape of a boat anchor and a driving device 113; the stirring rod 112 is disposed inside the combined entrainer preparation tank 110, and one end of the stirring rod extends out from the top of the combined entrainer preparation tank 110 and is connected with a driving device 113, and the driving device 113 is used for driving the stirring rod 112 to rotate. The combined entrainer can be mixed more uniformly during preparation through stirring.
As shown in fig. 1, in some embodiments of the present invention, the phase separator 310 is provided with a phase separator inlet 311, a water phase outlet 312, an entrainer separation outlet 313 and an isopropanol outlet 314, the water phase collection tank 330 is provided with a water phase inlet 331, the entrainer collection tank 320 is provided with a collection tank inlet 321 and a collection tank outlet 322, and the isopropanol product collection tank 340 is provided with a product inlet 341; the phase separator inlet 311 is connected with the condenser outlet 232 through a pipeline, the water phase outlet 312 is connected with the water phase inlet 331 through a pipeline, the isopropanol outlet 314 and the entrainer separation outlet 313 are respectively connected with the collection tank inlet 321 through a pipeline, and the collection tank outlet 322 is connected with the product inlet 341 through a pipeline. The phase separator inlet 311 is arranged at the top of the phase separator 310, and the water phase outlet 312, the entrainer separation outlet 313 and the isopropanol outlet 314 are respectively arranged at the bottom of the phase separator 310; an aqueous phase inlet 331 is provided at the top of the aqueous phase collection tank 330; the collecting tank inlet 321 is arranged at the top of the entrainer collecting tank 320, and the collecting tank outlet 322 is arranged at the bottom of the entrainer collecting tank 320; a product inlet 341 is provided at the top of the isopropyl alcohol product-collecting tank 340. The water phase and the entrainer are separated and collected through the phase separator 310, secondary utilization can be achieved, resource utilization maximization is achieved, and production cost is saved.
As shown in fig. 1, in some embodiments of the present invention, the distillation still 210 is further provided with an entrainer circulation inlet 217, and the entrainer circulation inlet 217 is connected to the collection tank outlet 322 through a pipeline. The entrainer circulation inlet 217 is arranged at the top of the distillation kettle 210 and is adjacent to the entrainer inlet 211, and the entrainer circulation inlet 217 and the collection tank outlet 322 are connected through a pipeline to form a circulation loop. After being collected, the entrainer separated by the phase separator 310 is directly sent into the distillation still 210 again through the circulation loop for secondary use, so that the production cost is saved, and the production efficiency is improved.
As shown in fig. 1, in some embodiments of the present invention, the distillation still 210 further includes an N-shaped stirring rod 214 and a motor 215, the N-shaped stirring rod 214 is disposed inside the distillation still 210, one end of the N-shaped stirring rod extends out from the top of the distillation still 210 and is connected to the motor 215, and the motor 215 is used for driving the N-shaped stirring rod 214 to rotate. The inside of the still pot 210 is sufficiently stirred by the N-type stirring rod 214, so that the heating and evaporation efficiency of the mixture inside thereof is higher.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. An isopropyl alcohol water removal device is characterized by comprising:
the rectifying device is used for rectifying the mixture of the crude isopropanol raw material and the combined entrainer and comprises a distillation kettle, a rectifying tower and a condenser, wherein the rectifying tower is connected with the distillation kettle, and the condenser is connected with the rectifying tower;
the collecting device is used for collecting entrainer, water and isopropanol products and comprises a phase separator, an entrainer collecting tank, a water phase collecting tank and an isopropanol product collecting tank, wherein the phase separator is connected with the condenser, the entrainer collecting tank is connected with the phase separator, the water phase collecting tank is connected with the phase separator, the isopropanol product collecting tank is connected with the entrainer collecting tank, and the entrainer collecting tank is connected with the distillation kettle.
2. The isopropanol water removal device of claim 1, wherein the distillation still is provided with an entrainer inlet, a raw material inlet and a steam outlet, the rectification column is provided with a steam inlet, a rectification steam outlet and a reflux inlet, and the condenser is provided with a condenser inlet and a condenser outlet; the steam outlet with steam inlet passes through the pipe connection, rectification steam outlet with the condenser entry passes through the pipe connection, the condenser export with the backward flow entry passes through the pipe connection.
3. The isopropanol water removal device as claimed in claim 2, wherein the distillation still is further provided with a condensed reflux inlet, the rectifying tower is further provided with a condensed reflux outlet, and the condensed reflux inlet and the condensed reflux outlet are connected through a pipeline.
4. The isopropanol water removal apparatus of claim 2, further comprising a configuration device for configuring a combined entrainer, comprising a combined entrainer formulation tank and a combined entrainer storage tank, wherein the combined entrainer formulation tank and the combined entrainer storage tank are connected, and the combined entrainer storage tank is connected with the distillation still.
5. The isopropanol water removal apparatus of claim 4, wherein the combined entrainer preparation tank is provided with an entrainer discharge port, and the combined entrainer storage tank is provided with an entrainer feed port and an entrainer outlet port; the entrainer discharge port is connected with the entrainer feeding port through a pipeline, and the entrainer outlet is connected with the entrainer inlet through a pipeline.
6. The isopropanol water removal plant of claim 4, wherein the combined entrainer formulation tank is further provided with a ship anchor shaped stirring bar and drive means; the stirring rod is arranged in the combined entrainer preparation tank, one end of the stirring rod extends out of the top of the combined entrainer preparation tank and is connected with the driving device, and the driving device is used for driving the stirring rod to rotate.
7. The isopropanol water removal apparatus of claim 2, wherein the phase separator is provided with a phase separator inlet, a water phase outlet, an entrainer separation outlet and an isopropanol outlet, the water phase collection tank is provided with a water phase inlet, the entrainer collection tank is provided with a collection tank inlet and a collection tank outlet, the isopropanol product collection tank is provided with a product inlet; the phase separator inlet is connected with the condenser outlet through a pipeline, the water phase outlet is connected with the water phase inlet through a pipeline, the isopropanol outlet and the entrainer separation outlet are respectively connected with the collection tank inlet through a pipeline, and the collection tank outlet is connected with the product inlet through a pipeline.
8. An isopropanol water removal apparatus according to claim 7, wherein the distillation still further comprises an entrainer recycle inlet connected to the collection tank outlet via a pipe.
9. The isopropanol water removal device as claimed in claim 1, wherein the distillation still further comprises an N-shaped stirring rod and a motor, the N-shaped stirring rod is arranged inside the distillation still, one end of the N-shaped stirring rod extends out of the top of the distillation still and is connected with the motor, and the motor is used for driving the N-shaped stirring rod to rotate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021235541.XU CN213077530U (en) | 2020-06-29 | 2020-06-29 | Isopropyl alcohol dewatering equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021235541.XU CN213077530U (en) | 2020-06-29 | 2020-06-29 | Isopropyl alcohol dewatering equipment |
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| CN213077530U true CN213077530U (en) | 2021-04-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797148A (en) * | 2022-05-30 | 2022-07-29 | 东至德泰精细化工有限公司 | Continuous distillation system for synthesis of methyl fluorobenzene |
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2020
- 2020-06-29 CN CN202021235541.XU patent/CN213077530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797148A (en) * | 2022-05-30 | 2022-07-29 | 东至德泰精细化工有限公司 | Continuous distillation system for synthesis of methyl fluorobenzene |
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