CN112473163A - Vertical fractionating column and fractionating device - Google Patents

Vertical fractionating column and fractionating device Download PDF

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Publication number
CN112473163A
CN112473163A CN201910856353.4A CN201910856353A CN112473163A CN 112473163 A CN112473163 A CN 112473163A CN 201910856353 A CN201910856353 A CN 201910856353A CN 112473163 A CN112473163 A CN 112473163A
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CN
China
Prior art keywords
fractionating column
column
fractionating
vertical
shell
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Pending
Application number
CN201910856353.4A
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Chinese (zh)
Inventor
何玉庆
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Wuxi Juyuanfeng Chemical Equipment Co ltd
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Wuxi Juyuanfeng Chemical Equipment Co ltd
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Priority to CN201910856353.4A priority Critical patent/CN112473163A/en
Publication of CN112473163A publication Critical patent/CN112473163A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14Fractional distillation or use of a fractionation or rectification column
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14Fractional distillation or use of a fractionation or rectification column
    • B01D3/32Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
    • B01D3/324Tray constructions

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The invention discloses a vertical fractionating column and a fractionating device, and particularly relates to the field of chemical resin production devices. According to the gas separation column, the gas separation plate is arranged to be inclined downwards, and the middle part of the gas separation plate is provided with the through hole, so that the gas separation plate can guide the hot gas part entering from the hot gas inlet into the gap between the outer shell of the separation column and the inner shell of the separation column, the equipment can work, and the practicability of the equipment is improved.

Description

Vertical fractionating column and fractionating device
Technical Field
The invention relates to the technical field of chemical resin production devices, in particular to a vertical fractionating column and a fractionating device.
Background
The resin is divided into natural resin and synthetic resin, wherein the natural resin refers to amorphous organic substances obtained from animal and plant secretions in nature, such as rosin, amber, shellac and the like, and the synthetic resin refers to a resin product obtained by chemical synthesis of simple organic substances or chemical reaction of certain natural products.
In the synthetic resin synthesis, various raw materials are required to be added into a reaction device in a certain proportion, and then the raw materials are sufficiently mixed to generate sufficient chemical reaction, but the synthesized product contains moisture, so that the product after the reaction needs to be fractionated, the synthetic resin is condensed in a fractionating device by utilizing the fact that the boiling point of water is lower than that of the synthetic resin, and water and the synthetic resin are separated by keeping the steam in a gaseous state.
Therefore, there is a need for a vertical fractionation column and a fractionation apparatus that can simultaneously maintain the temperature inside and outside the column.
Disclosure of Invention
In order to overcome the above-mentioned defects of the prior art, embodiments of the present invention provide a vertical fractionating column and a fractionating apparatus, which are a vertical fractionating column fractionation apparatus capable of simultaneously maintaining the temperature inside and outside the fractionating column during operation.
In order to achieve the purpose, the invention provides the following technical scheme: a vertical fractionating column and a fractionating device comprise a vertical fractionating column and a mixed gas input pipe, wherein the vertical fractionating column comprises a fractionating column outer shell and a fractionating column inner shell, a mixed gas inlet is fixedly arranged on the side surface of the outer shell of the fractionating column, a product discharge port is fixedly arranged at the bottom of the other side of the outer shell of the fractionating column, a steam outlet is fixedly arranged at the top of the side surface of the outer shell of the fractionating column, a hot gas outlet is welded at the top of the outer shell of the fractionating column, the bottom of the outer shell of the fractionating column is welded with a hot gas inlet, the inner cavity of the inner shell of the fractionating column is fixedly provided with a central vent pipe, the bottom of the inner cavity of the central vent pipe is welded with a gas separation plate, the inner wall of the inner shell of the fractionating column is welded with a guide plate, the bottom baffle is fixedly installed at the bottom of the inner cavity of the inner shell of the fractionating column, and the top baffle is fixedly installed at the top of the inner cavity of the inner shell of the fractionating column.
The tip demountable installation of tip and the tip demountable installation of mist import of mist input tube, the tip demountable installation of steam outlet has the gas pipe, the tip fixed mounting of gas pipe has heating device, heating device's the other end and the tip demountable installation of steam entry, the tip demountable installation of vapor discharge port has the waste water discharge pipe, the tip fixedly connected with waste liquid pond of waste water discharge pipe, the tip demountable installation of product discharge port has the product pipe, another tip fixedly connected with holding vessel of product pipe.
In a preferred embodiment, the inner fractionation column shell is located within the inner chamber of the outer fractionation column shell, and the outer fractionation column shell and the inner fractionation column shell are positionally defined by the mixed gas inlet, the product discharge port and the water vapor discharge port.
In a preferred embodiment, the outer and inner column shells have a gap between them after installation.
In a preferred embodiment, the gas distribution plate is provided with a downward inclined shape, and a through hole is formed in the middle of the gas distribution plate.
In a preferred embodiment, the side of the guide plate away from the inner wall of the inner shell of the fractionating column is welded with the outer surface of the central vent pipe, and the top surface of the guide plate is provided with a liquid guide groove.
In a preferred embodiment, the bottom baffle is located at the bottom of the inner shell of the fractionating column and is arranged to be gradually lowered from left to right, the top surface of the rightmost bottom baffle is flush with the lowest position of the inner cavity of the product discharge port, and the inner cavity of the bottom baffle is fixedly mounted with the outer surface of the central vent pipe.
In a preferred embodiment, the top baffle is positioned at the top of the inner cavity of the inner shell of the fractionating column, the bottom surface of the top baffle is arranged to be level with the highest position of the inner cavity of the water vapor outlet, and the inner cavity of the top baffle is fixedly arranged with the outer surface of the central vent pipe.
In a preferred embodiment, the mixed gas inlet is arranged to be gradually increased from left to right, and the water vapor discharge port is arranged to be gradually decreased from left to right.
The invention has the technical effects and advantages that:
1. according to the invention, the inner casing of the fractionating column is arranged in the inner cavity of the outer casing of the fractionating column, and the outer casing of the fractionating column and the inner casing of the fractionating column are limited in position through the mixed gas inlet, the product outlet and the steam outlet, so that the outer casing of the fractionating column and the inner casing of the fractionating column can be relatively fixed in position, and a gap can exist between the outer casing of the fractionating column and the inner casing of the fractionating column after the outer casing of the fractionating column and the inner casing of the fractionating column are installed, so that the practicability of the equipment is increased;
2. according to the invention, a certain gap is reserved between the outer casing of the fractionating column and the inner casing of the fractionating column after the outer casing of the fractionating column and the inner casing of the fractionating column are installed, so that hot gas entering from a hot gas inlet can enter a gap between the outer casing of the fractionating column and the inner casing of the fractionating column, the equipment can be kept warm, the phenomenon that the product contains steam due to the fact that the steam is liquefied under the influence of the external temperature during working is avoided, and the practicability of the equipment is increased;
3. according to the gas separation column, the gas separation plate is arranged to be inclined downwards, and the middle part of the gas separation plate is provided with the through hole, so that the gas separation plate can guide the hot gas part entering from the hot gas inlet into the gap between the outer shell of the separation column and the inner shell of the separation column, the equipment can work, and the practicability of the equipment is improved.
Drawings
FIG. 1 is a schematic view showing the overall structure of a vertical fractionation column of the present invention.
FIG. 2 is a schematic view showing the internal structure of the vertical fractionation column of the present invention.
FIG. 3 is a schematic view of the structure of the guide plate of the present invention.
FIG. 4 is a schematic view of the structure at A of FIG. 2 according to the present invention.
FIG. 5 is a schematic view of the fractionation apparatus according to the present invention.
The reference signs are: 1. a vertical fractionating column; 11. a fractionation column outer shell; 111. a hot gas outlet; 112. a hot gas inlet; 12. an inner shell of the fractionating column; 121. a central vent pipe; 1211. a gas distribution plate; 122. a guide plate; 123. a bottom baffle; 124. a top baffle; 13. a mixed gas inlet; 14. a product discharge port; 15. a water vapor outlet; 2. a mixed gas input pipe; 3. a gas conduit; 4. a heating device; 5. a waste water discharge pipe; 6. a waste liquid tank; 7. a product conduit; 8. a storage tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The vertical fractionating column and the fractionating device shown in the attached figures 1-5 comprise a vertical fractionating column 1 and a mixed gas input pipe 2, wherein the vertical fractionating column 1 comprises a fractionating column outer shell 11 and a fractionating column inner shell 12, a mixed gas inlet 13 is fixedly arranged on the side surface of the fractionating column outer shell 11, a product outlet 14 is fixedly arranged at the bottom of the other side of the fractionating column outer shell 11, a water vapor outlet 15 is fixedly arranged on the top of the side surface of the fractionating column outer shell 11, a hot gas outlet 111 is welded on the top of the fractionating column outer shell 11, a hot gas inlet 112 is welded on the bottom of the fractionating column outer shell 11, a central vent pipe 121 is fixedly arranged in the inner cavity of the fractionating column inner shell 12, a gas separation plate 1211 is welded on the bottom of the inner cavity of the central vent pipe 121, a guide plate 122 is welded on the inner wall of the fractionating column inner shell 12, and a bottom baffle plate, a top baffle 124 is fixedly mounted at the top of the inner chamber of the inner shell 12 of the fractionating column.
Referring to the description of the drawings, figure 2: the outer column shell 11 and the inner column shell 12 are defined in position by a mixed gas inlet 13, a product discharge port 14 and a water vapor discharge port 15.
Referring to the description figures 2 and 4: the outer casing 11 and the inner casing 12 of the fractionating column have a gap between them after the installation.
Referring to the description figures 2 and 4: the air distribution plate 1211 is inclined downward, and a through hole is formed in the middle of the air distribution plate 1211.
Referring to the drawings 2-3 of the specification: the side of the guide plate 122 far away from the inner wall of the fractionating column inner shell 12 is welded with the outer surface of the central vent pipe 121, and the top surface of the guide plate 122 is provided with a liquid guide groove.
The specific implementation mode is as follows: through having set up one side that guide plate 122 kept away from fractionating column inner shell 12 inner wall and the outer surface welding of center breather pipe 121, and guide plate 122's top surface is equipped with the drainage groove, realized that the gaseous of fractionation can not appear from the direct rising in clearance between guide plate 122 and the center breather pipe 121, increased gaseous working distance, it is more complete to make the fractionation, and the liquefied product can be through the faster flow direction bottom of drainage groove of guide plate 122 top surface, increased the practicality of equipment.
Referring to the description of the drawings, figure 2: the bottom baffle 123 is located at the bottom of the inner shell 12 of the fractionating column and is set to gradually decrease from left to right, the top surface of the rightmost bottom baffle 123 is flush with the lowest position of the inner cavity of the product discharge port 14, and the inner cavity of the bottom baffle 123 is fixedly installed with the outer surface of the central vent pipe 121.
The specific implementation mode is as follows: through having set up bottom baffle 123 and being located fractionating column inner shell 12 bottom, it reduces to establish gradually from left to right, the top surface of rightmost end bottom baffle 123 is equal with the lowest position of 14 inner chambers of product discharge port, and the outer fixed surface installation of the inner chamber of bottom baffle 123 and central breather pipe 121, the product that flows to the bottom can flow to product discharge port 14 along the surface of bottom baffle 123, then flow through in product discharge port 14 enters into holding vessel 8, and the bottom of the inner chamber of 12 in the inner shell in the fractionating column of product inflow can not appear, cause the product to be difficult to discharge, the practicality of equipment has been increased.
Referring to the description of the drawings, figure 2: the top baffle 124 is positioned at the top of the inner cavity of the inner shell 12 of the fractionating column, the bottom surface of the top baffle 124 is set to be level with the highest position of the inner cavity of the water vapor discharge port 15, and the inner cavity of the top baffle 124 is fixedly installed with the outer surface of the central vent pipe 121.
The specific implementation mode is as follows: through having set up top baffle 124 and being located the top of fractionating column inner shell 12 inner chamber, and the bottom surface of top baffle 124 establishes to be equal to 15 inner chambers top of vapor vent, and the outer fixed surface installation of the inner chamber of top baffle 124 and central breather pipe 121, has realized that the vapor in the product can discharge through product vent 14, and partial vapor can not appear and remain at the top of fractionating column inner shell 12 inner chamber, has increased the practicality of equipment.
Referring to the description of the drawings, figure 2: the mixed gas inlet 13 is set to gradually increase from left to right, and the water vapor discharge port 15 is set to gradually decrease from left to right.
The specific implementation mode is as follows: set up to rise gradually from left to right through having set up the mist import 13, vapor discharge port 15 sets up to reduce gradually from left to right, realized that the gas that gets into through the mist import 13 can upwards move along baffle 122, and vapor is because there is not the assistance of heat preservation equipment when moving along vapor discharge port 15, the unable inner chamber of casing 12 in the fractionating column that flows backwards of water of vapor liquefaction water liquefaction under the effect of vapor discharge port 15, avoided the inside a large amount of rivers that converge of equipment, the unable timely vaporization of water liquid appears, the remixing of water liquid and product appears, the practicality of equipment has been increased.
The tip demountable installation of tip and the mist import 13 of mist input pipe 2, the tip demountable installation of hot gas export 111 has gas conduit 3, the tip fixed mounting of gas conduit 3 has heating device 4, the other end of heating device 4 and the tip demountable installation of hot gas entry 112, the tip demountable installation of vapor discharge port 15 has waste water discharge pipe 5, the tip fixed connection of waste water discharge pipe 5 has waste liquid pond 6, the tip demountable installation of product discharge port 14 has product pipe 7, another tip fixed connection of product pipe 7 has holding vessel 8.
The working principle is as follows:
a preparation stage: the equipment is first transported to the point of use and then the installation of the equipment is completed.
The working stage is as follows: firstly, the mixed gas is fed into the mixed gas inlet 13 by the mixed gas input pipe 2, then the mixed gas moves upwards along the guide plate 122 under the action of the inclined mixed gas inlet 13, then the gas heated by the heating device 4 is introduced into the hot gas inlet 112, then the gas heated by the action of the gas separation plate 1211 enters the gap between the outer shell 11 and the inner shell 12 of the fractionating column and the inner cavity of the central vent pipe 121, then the synthetic resin is cooled and liquefied under the action of the hot gas because the boiling point of the synthetic resin in the mixed gas is larger than that of the hot gas, then the synthetic resin flows downwards along the grooves on the surface of the guide plate 122 and converges into the inner cavity of the inner shell 12 of the fractionating column, then the synthetic resin is fed into the storage tank 8 through the product outlet 14, the vapor in the mixed gas is kept in a gaseous state under the action of the hot gas, then the vapor rises to the vertex and is discharged into the vapor outlet 15, the water vapour is then condensed through the waste water drain pipe 5 into the inner cavity of the waste liquid basin 6.
And (5) finishing: and (4) firstly, shutting down the equipment, then, detaching the equipment, and then, maintaining the equipment.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (8)

1. The utility model provides a vertical fractionating column and fractional distillation apparatus, includes vertical fractionating column (1) and mist input pipe (2), its characterized in that: the vertical fractionating column (1) comprises a fractionating column outer shell (11) and a fractionating column inner shell (12), a mixed gas inlet (13) is fixedly arranged on the side surface of the fractionating column outer shell (11), a product outlet (14) is fixedly arranged on the bottom of the other side of the fractionating column outer shell (11), a water vapor outlet (15) is fixedly arranged on the top of the side surface of the fractionating column outer shell (11), a hot gas outlet (111) is welded on the top of the fractionating column outer shell (11), a hot gas inlet (112) is welded on the bottom of the fractionating column outer shell (11), a central vent pipe (121) is fixedly arranged on the inner cavity of the fractionating column inner shell (12), a gas separation plate (1211) is welded on the bottom of the inner cavity of the fractionating column inner shell (12), a guide plate (122) is welded on the inner wall of the fractionating column inner shell (12), and a bottom baffle (123) is fixedly arranged on the bottom of the inner cavity of, a top baffle plate (124) is fixedly arranged at the top of the inner cavity of the inner shell (12) of the fractionating column;
the tip demountable installation of tip and mist import (13) of mist input tube (2), the tip demountable installation of steam outlet (111) has gas conduit (3), the tip fixed mounting of gas conduit (3) has heating device (4), the other end of heating device (4) and the tip demountable installation of steam entry (112), the tip demountable installation of vapor discharge port (15) has waste water discharge pipe (5), the tip fixedly connected with waste liquid pond (6) of waste water discharge pipe (5), the tip demountable installation of product discharge port (14) has product pipe (7), another tip fixedly connected with holding vessel (8) of product pipe (7).
2. A vertical fractionation column and fractionation apparatus according to claim 1, wherein: the inner casing (12) of the fractionating column is positioned in the inner cavity of the outer casing (11) of the fractionating column, and the outer casing (11) of the fractionating column and the inner casing (12) of the fractionating column are limited in position by a mixed gas inlet (13), a product discharge port (14) and a water vapor discharge port (15).
3. A vertical fractionation column and fractionation apparatus according to claim 1, wherein: and a certain gap is reserved between the outer casing (11) of the fractionating column and the inner casing (12) of the fractionating column after the installation is finished.
4. A vertical fractionation column and fractionation apparatus according to claim 1, wherein: the gas distribution plate (1211) is inclined downwards, and a through hole is formed in the middle of the gas distribution plate (1211).
5. A vertical fractionation column and fractionation apparatus according to claim 1, wherein: one side of the guide plate (122) far away from the inner wall of the fractionating column inner shell (12) is welded with the outer surface of the central vent pipe (121), and the top surface of the guide plate (122) is provided with a liquid guide groove.
6. A vertical fractionation column and fractionation apparatus according to claim 1, wherein: the bottom baffle (123) is positioned at the bottom of the inner shell (12) of the fractionating column and is set to gradually decrease from left to right, the top surface of the bottom baffle (123) at the rightmost end is flush with the lowest position of the inner cavity of the product discharge port (14), and the inner cavity of the bottom baffle (123) is fixedly installed with the outer surface of the central vent pipe (121).
7. A vertical fractionation column and fractionation apparatus according to claim 1, wherein: the top baffle (124) is positioned at the top of the inner cavity of the inner shell (12) of the fractionating column, the bottom surface of the top baffle (124) is arranged to be level with the highest position of the inner cavity of the steam outlet (15), and the inner cavity of the top baffle (124) is fixedly installed with the outer surface of the central vent pipe (121).
8. A vertical fractionation column and fractionation apparatus according to claim 1, wherein: the mixed gas inlet (13) is set to gradually increase from left to right, and the water vapor outlet (15) is set to gradually decrease from left to right.
CN201910856353.4A 2019-09-11 2019-09-11 Vertical fractionating column and fractionating device Pending CN112473163A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910856353.4A CN112473163A (en) 2019-09-11 2019-09-11 Vertical fractionating column and fractionating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910856353.4A CN112473163A (en) 2019-09-11 2019-09-11 Vertical fractionating column and fractionating device

Publications (1)

Publication Number Publication Date
CN112473163A true CN112473163A (en) 2021-03-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910856353.4A Pending CN112473163A (en) 2019-09-11 2019-09-11 Vertical fractionating column and fractionating device

Country Status (1)

Country Link
CN (1) CN112473163A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115786037A (en) * 2022-12-16 2023-03-14 浙江东油能源科技有限公司 Biodiesel preparation facilities based on multistage fractionation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115786037A (en) * 2022-12-16 2023-03-14 浙江东油能源科技有限公司 Biodiesel preparation facilities based on multistage fractionation
CN115786037B (en) * 2022-12-16 2024-01-23 浙江东油能源科技有限公司 Biodiesel preparation facilities based on multistage fractional distillation

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