CN215741865U - Rectifying device - Google Patents
Rectifying device Download PDFInfo
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- CN215741865U CN215741865U CN202120827424.0U CN202120827424U CN215741865U CN 215741865 U CN215741865 U CN 215741865U CN 202120827424 U CN202120827424 U CN 202120827424U CN 215741865 U CN215741865 U CN 215741865U
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Abstract
The utility model discloses a rectifying device, which comprises a rectifying tower and a condenser, wherein the rectifying tower is connected with the condenser through a steam conveying pipeline, a plurality of heating mechanisms are arranged outside the steam conveying pipeline at intervals in sequence along the conveying direction of steam, the heating mechanisms are in heat conduction connection with the steam conveying pipeline, and the heating efficiency of one of any two heating mechanisms in the plurality of heating mechanisms, which is relatively close to the rectifying tower, is lower than that of the other one of the heating mechanisms, which is relatively close to the condenser; and a protection mechanism is further sleeved outside the steam transmission pipeline, and the plurality of heating mechanisms are arranged between the protection mechanism and the steam transmission pipeline. The utility model can effectively prevent the steam in the steam transmission pipeline from condensing and refluxing to damage the rectifying tower or the steam transmission pipeline; and the heating efficiency of the plurality of heating mechanisms can be adjusted according to the specific conditions in the steam transmission pipeline, so that the energy consumption is further saved on the premise of keeping the gas state of the steam in the steam transmission pipeline.
Description
Technical Field
The utility model relates to a rectifying tower, in particular to a rectifying device, and belongs to the technical field of distillation equipment.
Background
The rectifying tower has great effect on the purification of chemical products as chemical equipment, the rectifying refers to the separation and purification work of the mixture by utilizing the difference of volatility among liquid mixture components and carrying out the quality and heat transfer of a crossing interface when gas-liquid two phases flow and contact step by step, and the rectifying tower has two types of a plate-type rectifying tower and a packing-type rectifying tower. The rectifying tower is composed of a plurality of tower sections which are connected to form the rectifying tower, and devices such as a filler, a redistributor and a collector are arranged in each tower section, so that the heat and mass exchange effect in the rectifying process is improved, and the separation efficiency of the rectifying tower is enhanced.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a rectifying device to overcome the defects in the prior art.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model comprises the following steps:
the embodiment of the utility model provides a rectifying device, which comprises a rectifying tower and a condenser, wherein the rectifying tower is connected with the condenser through a steam conveying pipeline, a plurality of heating mechanisms are arranged outside the steam conveying pipeline at intervals in sequence along the conveying direction of steam, the heating mechanisms are in heat conduction connection with the steam conveying pipeline and are at least used for heating the steam in the steam conveying pipeline so as to enable the steam in the steam conveying pipeline to keep a gas form, and the heating efficiency of one of any two heating mechanisms in the plurality of heating mechanisms, which is relatively close to the rectifying tower, is lower than that of the other one in the plurality of heating mechanisms, which is relatively close to the condenser; and
the steam transmission pipeline is also sleeved with a protection mechanism, and the plurality of heating mechanisms are arranged between the protection mechanism and the steam transmission pipeline.
Compared with the prior art, the rectifying device provided by the embodiment of the utility model can effectively prevent steam in the steam transmission pipeline from condensing and refluxing to damage a rectifying tower or the steam transmission pipeline; in addition, the rectification device provided by the embodiment of the utility model can adjust the heating efficiency of the plurality of heating mechanisms according to the specific conditions inside the steam transmission pipeline, so that the energy consumption is further saved on the premise of keeping the gas state of the steam inside the steam transmission pipeline; the rectification device provided by the embodiment of the utility model can be obtained by directly modifying the existing rectification device, and the modification process is simple and easy to realize.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be 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 described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a partial structure of a rectifying apparatus provided in an exemplary embodiment of the present invention;
fig. 2 is a schematic structural diagram of a steam line part in a rectifying apparatus according to an exemplary embodiment of the present invention.
Detailed Description
In view of the deficiencies in the prior art, the inventors of the present invention have made extensive studies and extensive practices to provide technical solutions of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.
The embodiment of the utility model provides a rectifying device, which comprises a rectifying tower and a condenser, wherein the rectifying tower is connected with the condenser through a steam conveying pipeline, a plurality of heating mechanisms are arranged outside the steam conveying pipeline at intervals in sequence along the conveying direction of steam, the heating mechanisms are in heat conduction connection with the steam conveying pipeline and are at least used for heating the steam in the steam conveying pipeline so as to enable the steam in the steam conveying pipeline to keep a gas form, and the heating efficiency of one of any two heating mechanisms in the plurality of heating mechanisms, which is relatively close to the rectifying tower, is lower than that of the other one in the plurality of heating mechanisms, which is relatively close to the condenser; and
the steam transmission pipeline is also sleeved with a protection mechanism, and the plurality of heating mechanisms are arranged between the protection mechanism and the steam transmission pipeline.
Further, the heating efficiency of the plurality of heating mechanisms is sequentially increased along the conveying direction of the steam, and the heating efficiency of any one heating mechanism can be adjusted.
Furthermore, a plurality of limiting grooves are sequentially arranged on the surface of the pipe body of the steam transmission pipeline at intervals along the conveying direction of steam, and the plurality of heating mechanisms are correspondingly arranged in the plurality of limiting grooves.
In some more specific embodiments, the heating mechanism is an electrical heating mechanism.
Furthermore, the electric heating mechanism comprises a resistance wire heating mechanism, and the resistance wire heating mechanism comprises a conductive coil wound outside the steam delivery pipeline.
Furthermore, the number of turns of the conductive coil of any two resistance wire heating mechanisms in the plurality of resistance wire heating mechanisms, which is relatively close to one of the rectifying towers, is smaller than that of the conductive coil of the other one of the resistance wire heating mechanisms, which is relatively close to the condenser.
Furthermore, the conductive coils contained in the resistance wire heating mechanisms are made of the same material, and the resistance wire heating mechanisms are electrically isolated from each other.
Furthermore, a plurality of cavities which are sequentially communicated with one another are arranged in the steam delivery pipeline, the plurality of heating mechanisms are respectively and correspondingly arranged outside the plurality of cavities, each cavity is also internally provided with a humidity sensor and a temperature sensor, the humidity sensor and the temperature sensor are also connected with the controller, and the plurality of heating mechanisms are also respectively connected with the controller.
Furthermore, the protection mechanism is fixedly connected with the steam transmission pipeline, the protection mechanism is not in direct contact with the plurality of heating mechanisms, and a gap or a heat dissipation hole is formed between at least one end of the protection mechanism and the steam transmission pipeline.
Further, the protection mechanism comprises a heat insulation sleeve coaxially sleeved outside the steam transmission pipeline.
Further, the outside of protection mechanism still overlaps and is equipped with the insulation cover, the insulation cover with protection mechanism is connected or is laminated.
Further, the steam transmission pipeline is vertically arranged at the top of the rectifying tower.
As will be described in further detail with reference to the accompanying drawings, the rectifying column, the condenser, and the like of the rectifying apparatus in the embodiment of the present invention may be any known to those skilled in the art, unless otherwise specified, only the rectifying column and the condenser are mentioned in the embodiment of the present invention, and of course, the rectifying apparatus may further include other functional mechanisms, such as a reboiler, a reflux tank, and a product tank, which are all known to those skilled in the art, and therefore, they will not be described in detail herein.
Referring to fig. 1, a rectifying apparatus includes a rectifying tower 100 and a condenser 200, the top of the rectifying tower 100 is connected to the condenser 200 through a steam transmission pipeline 300, wherein the steam transmission pipeline 300 is vertically disposed on the top of the rectifying tower 100, a heating mechanism 400 is disposed outside the steam transmission pipeline 300, the heating mechanism 400 is in heat conduction connection with the steam transmission pipeline 300 and is used for heating steam in the steam transmission pipeline 300 so as to keep the steam in the steam transmission pipeline 300 in a gas state, a protection mechanism 500 is further sleeved outside the steam transmission pipeline 300, and the heating mechanism 400 is disposed between the protection mechanism 500 and the steam transmission pipeline 300.
Specifically, the heating mechanism 400 has different heating efficiencies for different regions of the steam delivery pipe 300, for example, the heating efficiency of the heating mechanism 400 for the region of the steam delivery pipe 300 close to the rectifying tower 100 is lower than the heating efficiency for the region close to the condenser 200, because the temperature of the steam itself in the steam delivery pipe 300 near the rectifying tower 100 is higher, the steam in the steam delivery pipe 300 corresponding to the region can be maintained in a gaseous state without excessively high heating efficiency.
Specifically, the heating mechanism 400 may include a first heating mechanism 410, a second heating mechanism 420, a third heating mechanism 430, and a fourth heating mechanism 440 (four heating mechanisms are shown in the figure, and of course, a person skilled in the art may adjust the number of the heating mechanisms according to specific situations, for example, the size of the steam pipeline and the temperature inside the rectifying tower, etc.), and the heating efficiency of the first heating mechanism 410 relatively close to the rectifying tower 100 among the plurality of heating mechanisms is smaller than the heating efficiency of the second heating mechanism 420 and smaller than the heating efficiency of the third heating mechanism 430 and smaller than the heating efficiency of the fourth heating mechanism 440, that is, the heating efficiency of one relatively close to the rectifying tower among any two heating mechanisms among the plurality of heating mechanisms is smaller than the heating efficiency of the other relatively close to the condenser.
Specifically, the heating efficiencies of the plurality of heating mechanisms are sequentially and uniformly increased in the conveying direction of the steam, and the heating efficiency of any one of the heating mechanisms can be adjusted, that is, the heating efficiencies of the first heating mechanism 410, the second heating mechanism 420, the third heating mechanism 430 and the fourth heating mechanism 440 are arranged in an arithmetic progression.
Specifically, four limiting grooves are sequentially arranged on the surface of the pipe body of the steam transmission pipeline 300 at intervals along the conveying direction of steam, and the first heating mechanism 410, the second heating mechanism 420, the third heating mechanism 430 and the fourth heating mechanism 440 are correspondingly arranged in the four limiting grooves.
In some specific embodiments, the heating mechanism 400 may be an electric heating mechanism, and the electric heating mechanism may be an electric heating plate heating mechanism, a resistance wire heating mechanism, an electromagnetic induction heating mechanism, or the like.
Referring to fig. 2, taking a resistance wire heating mechanism as an example, the resistance wire heating mechanism includes a conductive coil wound outside the steam transmission pipeline 300, and the number of turns of the conductive coil of one of any two resistance wire heating mechanisms relatively close to the rectifying tower 100 is smaller than that of the conductive coil of the other one relatively close to the condenser 200, where the conductive coils included in the resistance wire heating mechanisms are made of the same material, and the resistance wire heating mechanisms are electrically isolated from each other.
Specifically, the steam delivery pipeline 300 has four chambers sequentially communicated with each other, the first heating mechanism 410, the second heating mechanism 420, the third heating mechanism 430, and the fourth heating mechanism 440 are respectively and correspondingly disposed outside the four chambers, and each chamber is also internally provided with a humidity sensor and a temperature sensor which are also connected with a control unit, the first heating mechanism 410, the second heating mechanism 420, the third heating mechanism 430 and the fourth heating mechanism 440 are also respectively connected with a controller, the heating efficiencies of the first heating mechanism 410, the second heating mechanism 420, the third heating mechanism 430 and the fourth heating mechanism 440 can be respectively adjusted by the controller, the controller may be a PLC controller or the like, which is commercially available, and the numerical control program used therein may be known to those skilled in the art.
Specifically, the limiting grooves on the surface of the pipe body of the steam delivery pipeline 300 correspond to the internal chambers one to one.
Specifically, the protection mechanism 500 is fixedly connected to the steam delivery pipeline 300, the protection mechanism 500 is not in direct contact with the plurality of heating mechanisms, a gap or a heat dissipation hole is formed between at least one end of the protection mechanism 500 and the steam delivery pipeline 300, for example, the protection mechanism 500 may be a heat insulation sleeve coaxially sleeved outside the steam delivery pipeline 300.
Specifically, referring to fig. 2 again, the outside of the protection mechanism 500 is further sleeved with a thermal insulation sleeve 600, and the thermal insulation sleeve 600 is connected or attached to the protection mechanism 500.
It should be noted that fig. 1 only shows a part of the structure of the rectification apparatus, and the rectification apparatus may of course further include other functional mechanisms such as a reboiler, a reflux drum, a product drum, etc., which are all constituent mechanisms known to those skilled in the art, and therefore are not shown in the drawing; and the material, the size and the like of the conductive coil adopted in the utility model can be adjusted according to specific requirements.
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 illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The rectifying device provided by the embodiment of the utility model can effectively prevent steam in the steam transmission pipeline from condensing and refluxing to damage a rectifying tower or the steam transmission pipeline; in addition, the rectification device provided by the embodiment of the utility model can adjust the heating efficiency of the plurality of heating mechanisms according to the specific conditions inside the steam transmission pipeline, so that the energy consumption is further saved on the premise of keeping the gas state of the steam inside the steam transmission pipeline; the rectification device provided by the embodiment of the utility model can be obtained by directly modifying the existing rectification device, and the modification process is simple and easy to realize.
It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, which are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and therefore, the protection scope of the present invention is not limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A rectifying device is characterized by comprising a rectifying tower and a condenser, wherein the rectifying tower is connected with the condenser through a steam conveying pipeline, a plurality of heating mechanisms are arranged outside the steam conveying pipeline at intervals in sequence along the conveying direction of steam, the heating mechanisms are in heat conduction connection with the steam conveying pipeline and are at least used for heating the steam in the steam conveying pipeline so as to enable the steam in the steam conveying pipeline to keep a gas form, and the heating efficiency of one of any two heating mechanisms relatively close to the rectifying tower is smaller than that of the other heating mechanism relatively close to the condenser; and
the steam transmission pipeline is also sleeved with a protection mechanism, and the plurality of heating mechanisms are arranged between the protection mechanism and the steam transmission pipeline.
2. The rectification apparatus according to claim 1, wherein: the heating efficiency of the plurality of heating mechanisms is sequentially increased along the conveying direction of the steam, and the heating efficiency of any one heating mechanism can be adjusted.
3. The rectification apparatus according to claim 1, wherein: the surface of the pipe body of the steam transmission pipeline is sequentially provided with a plurality of limiting grooves at intervals along the conveying direction of steam, and the plurality of heating mechanisms are correspondingly arranged in the plurality of limiting grooves.
4. The rectification apparatus according to claim 1 or 3, characterized in that: the heating mechanism is an electric heating mechanism;
and/or the electric heating mechanism comprises a resistance wire heating mechanism, and the resistance wire heating mechanism comprises a conductive coil wound outside the steam transmission pipeline.
5. The rectification apparatus according to claim 4, wherein: the number of turns of the conductive coil of one of any two resistance wire heating mechanisms relatively close to the rectifying tower is smaller than that of the conductive coil of the other one relatively close to the condenser.
6. The rectification apparatus according to claim 5, wherein: the conductive coils contained in the resistance wire heating mechanisms are made of the same material, and the resistance wire heating mechanisms are electrically isolated from each other.
7. The rectification apparatus according to claim 4, wherein: the steam delivery pipeline is internally provided with a plurality of cavities which are sequentially communicated with one another, the heating mechanisms are correspondingly arranged outside the cavities respectively, and each heating mechanism is also internally provided with a humidity sensor and a temperature sensor which are also connected with the controller respectively.
8. The rectification apparatus according to claim 1, wherein: the protection mechanism is fixedly connected with the steam delivery pipeline, the protection mechanism is not in direct contact with the plurality of heating mechanisms, and a gap or a heat dissipation hole is formed between at least one end part of the protection mechanism and the steam delivery pipeline;
and/or the protection mechanism comprises a heat insulation sleeve coaxially sleeved outside the steam transmission pipeline.
9. The rectification apparatus according to claim 1, wherein: the outside of protection mechanism still overlaps and is equipped with the insulation cover, the insulation cover with protection mechanism is connected or is laminated.
10. The rectification apparatus according to claim 1, wherein: the steam transmission pipeline is vertically arranged at the top of the rectifying tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120827424.0U CN215741865U (en) | 2021-04-21 | 2021-04-21 | Rectifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120827424.0U CN215741865U (en) | 2021-04-21 | 2021-04-21 | Rectifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215741865U true CN215741865U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120827424.0U Active CN215741865U (en) | 2021-04-21 | 2021-04-21 | Rectifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215741865U (en) |
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2021
- 2021-04-21 CN CN202120827424.0U patent/CN215741865U/en active Active
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