CN110215729A - A kind of plate distillation column - Google Patents
A kind of plate distillation column Download PDFInfo
- Publication number
- CN110215729A CN110215729A CN201810170995.4A CN201810170995A CN110215729A CN 110215729 A CN110215729 A CN 110215729A CN 201810170995 A CN201810170995 A CN 201810170995A CN 110215729 A CN110215729 A CN 110215729A
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- CN
- China
- Prior art keywords
- plate
- tower
- tower body
- mouth
- fractionation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/16—Fractionating columns in which vapour bubbles through liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
A kind of plate distillation column, it is installed, maintenance, it is convenient to replace column plate, it is greatly improved separative efficiency and finished product purity, it includes tower body, tower reactor and tower seat, gas vent is provided on tower body, refluxing opening, feed inlet, discharge port, tower body is internally provided with several layers column plate, feed inlet includes first charging aperture, second charging aperture, the top of tower body is provided with the first fractionation room, the top of first fractionation room is provided with hemispherical head, the top of end socket is provided with gas vent, refluxing opening is provided with below the barrel upper cover of first fractionation room, the reflux line of refluxing opening connection the first fractionation chamber interior, sieve tray has been sequentially arranged below first fractionation chamber interior refluxing opening, first screen, filler, second screen, gap between column plate is sequentially reduced from top to bottom, two terminal side edges of column plate are relatively set with first baffle, second Baffle, threaded hole is provided on second baffle, and column plate is staggeredly fixed in tower body by threaded hole, gasket and screw.
Description
Technical field
The present invention relates to chemical equipment technical field, specially a kind of plate distillation column.
Background technique
In chemical products preparation process, realize that the component of raw material separates frequently with rectifying column, the basic principle is that by liquid
Repeatedly partially vaporization and partial condensation using the different characteristic of the degree of volatility of wherein each component realize separation to body mixture
Purpose.It mainly includes material filling type rectifying column and plate distillation column, and wherein plate distillation column relies primarily on column plate and realizes mixture
Be uniformly distributed, valve opening, separate sheet etc. are provided on column plate, it can be achieved that the vapour phase liquid phase of mixture balance and separation, still
Column plate is welded on the inner sidewall of rectifying column frequently with the mode of welding at present, this mounting means is not easy to the peace of column plate
Dress, maintenance and replacement.And rectifying column in the prior art is lower to the separative efficiency of mixture, extracted product purity compared with
It is low.
Summary of the invention
For the column plate existing in the prior art that is welded mode be not easy to column plate installation, maintenance and replacement, to mixing
The low separation efficiency of object, the problems such as product purity is lower, the present invention provides a kind of plate distillation column, installation, maintenances, replacement
Column plate is convenient, and is greatly improved separative efficiency and finished product purity.
A kind of plate distillation column comprising tower body, tower reactor and tower seat, be provided on the tower body gas vent, refluxing opening,
Feed inlet, discharge port, the tower body are internally provided with several layers column plate, which is characterized in that the feed inlet includes the first charging
Mouth, second charging aperture, the top of the tower body are provided with the first cylindrical fractionation room, the top setting of first fractionation room
There is hemispherical head, the top of the end socket is provided with the gas vent, the end socket on the barrel of first fractionation room
Lower section be provided with the refluxing opening, the refluxing opening is connected to the reflux line of the first fractionation chamber interior, described first point
It evaporates and has been sequentially arranged sieve tray, the first screen, filler, the second screen below refluxing opening described in chamber interior；
Gap between the column plate is sequentially reduced from top to bottom；
Two terminal side edges of the column plate are relatively set with first baffle, second baffle, are provided with threaded hole on the second baffle,
The column plate is fixed on the cylinder inboard wall of the tower body by threaded hole, gasket and screw.
It is further characterized by the two sides of the gas vent are provided with first pressure gauge on the hemispherical head
Mouth, the first thermometer mouth；
Cone is provided between the first fractionation room and the tower body；
The first demarcation plate is installed inside the tower body of the lower section of the centrum；
Second temperature meter mouth, the first charging aperture are provided on the barrel of the lower section tower body of first demarcation plate；
The second demarcation plate is provided with below first demarcation plate, between first demarcation plate and the second demarcation plate, second
It is separately installed with the column plate between demarcation plate and the tower reactor, is set on the barrel of the lower section tower body of second demarcation plate
It is equipped with third thermometer mouth, the second charging aperture；
Reboiler outlet connector, second pressure gauge mouth, the first liquid level meter mouth, the 4th temperature are provided on the barrel of the tower reactor
Count mouth, the second liquid level meter mouth；
Close to the setting of the position of the tower reactor, there are two exhaust outlets on the top barrel of the tower seat；
The bottom end of the tower reactor is connected to discharge port, reboiler port connection respectively by pipeline；
Inspection hole, earth plate, Tailing Lug are additionally provided on the tower seat.
Using above structure of the invention, the mixture material containing different component enters tower along feed pipe from feed inlet
In vivo, the part mixes of different boiling carburation by evaporation, part light component raw material risen after vaporization under heat effect can lead to
It crosses the first fractionation indoor second screen realization to be uniformly distributed, and can realize further separation by filler, to improve pair
The setting of the separative efficiency of mixture and the purity of finished product, the first screen can not only realize being uniformly distributed for gas phase, also to filler
With pressuring action, to improve the stability of whole equipment work；Since mixture is during vapor-liquid separation, low boiling point
Light component substance can vaporize rising, and the concentration of the position light component substance closer to tower top is higher, therefore will be between column plate
Distance be sequentially reduced from top to bottom setting, the column plate compact Layout below tower body is greatly improved vapor-liquid separation below column plate
Effect and separative efficiency, with the raising of light component material concentration above tower body, the spacing increase between column plate is greatly improved
The velocity of liquid assets of light materials component, to substantially increase the working efficiency of rectifying column；Column plate is installed on tower body by screw
On cylinder inboard wall, for the mode of being welded, operation is simpler quick, consequently facilitating the installation of column plate, replacement and maintenance；
The setting of gasket is greatly improved the intracorporal leakproofness of tower when installing between column plate and tower body, while can effectively prevent vapour in tower
External leakage, guarantees the vacuum degree in tower, to further increase the separative efficiency of rectifying column；
Further, the setting of the intercentrum of the first fractionation room and tower body further enhances the leakproofness in rectifying column, can have
Effect prevents gas in tower from leaking outside, and ensure that vacuum degree in tower.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is K of the invention to structural schematic diagram.
Specific embodiment
As shown in Figure 1 and Figure 2, a kind of plate distillation column comprising tower body 1, tower reactor 2 and tower seat 3 are provided with gas on tower body 1
Body exports 4, refluxing opening 5, feed inlet 6, discharge port 7, and tower body 1 is internally provided with several layers column plate 8, feed inlet 6 include first into
Material mouth 61, second charging aperture 62, the top of tower body 1 are provided with the first cylindrical fractionation room 9, the first fractionation room 9 and tower body 1 it
Between be provided with cone 10, the top of the first fractionation room 9 is provided with hemispherical head, and the top of end socket is provided with gas vent 4, the
Refluxing opening 5, the return pipe inside first fractionation of the connection of refluxing opening 5 room 9 are provided with below the barrel upper cover of one fractionation room 9
The lower section in road, the first fractionation 9 internal reflux mouth 5 of room has been sequentially arranged sieve tray 90, the first screen 91, filler 92, the second screen
93, the lower section of the first fractionation room 9 is provided with the support plate 94 for being used to support the second screen 93；Gap between column plate 8 from up to
Under be sequentially reduced, two terminal side edges of column plate 8 are relatively set with first baffle 81, second baffle 82, are provided on second baffle 82
At least two threaded holes, column plate 8 are fixed on the cylinder inboard wall of tower body 1 by threaded hole, gasket and screw；
The two sides of gas vent 4 are provided with first pressure gauge mouth 11, the first thermometer mouth 12 on hemispherical head, under centrum 10
The first demarcation plate is installed inside the tower body of side, second temperature meter mouth is provided on the barrel of the lower section tower body of the first demarcation plate
13, first charging aperture 61 are provided with the second demarcation plate below first demarcation plate, between the first demarcation plate and the second demarcation plate,
It is separately installed with column plate 8 between second demarcation plate and tower reactor 2, is provided with third on the barrel of the lower section tower body 1 of the second demarcation plate
Thermometer mouth 14, second charging aperture 62, be provided on the barrel of tower reactor 2 reboiler outlet connector 15, second pressure gauge mouth 16,
First liquid level meter mouth 17, the 4th thermometer mouth 18, the second liquid level meter mouth 19, close to the position of tower reactor 2 on the top barrel of tower seat 3
There are two exhaust outlet 20, the bottom ends of tower reactor 2 to pass through pipeline 21 respectively and be connected to discharge port 7, reboiler port connection 22 for setting,
Inspection hole 23, earth plate 24, Tailing Lug 25 are additionally provided on tower seat 3.
That the specific working principle is as follows is described for it: mixture material is liquid charging stock, liquid mixture raw material in the present embodiment
Successively decline after in from first charging aperture 61 into tower body 1 along column plate 8, steam enters rear edge in tower body 1 from second charging aperture 62
Column plate successively rises, and steam comes into full contact on column plate 8 with liquid mixture raw material, and gas phase liquid equilibrium is reached on column plate 8,
Liquid mixture raw material evaporates under the heat effect of steam, and the part light component of the low boiling point in liquid mixture raw material is former
Material is separated, and part light component raw material successively rises separation through column plate 8, and through the first screen 91 in the first fractionation room 9
After even distribution, further being separated through filler 92, final satisfactory part light component raw material is discharged through gas vent 4 to be recycled,
The undesirable higher light component raw material of part boiling point is fallen in tower body 1 through refluxing opening 5, repeat above-mentioned separation process into
Row further separation；Boiling point higher heavy constituent raw material in part enters in reboiler through reboiler port connection 22 to be vaporized, vapour
Light component raw material after change is back in rectifying column through reboiler outlet connector 15, repeats above-mentioned separation process, final to realize
The further separation of liquid mixture raw material；Filler 92 in first fractionation room 9 can realize further dividing to light component raw material
From substantially increasing separation accuracy and separative efficiency;
Column plate 8 in rectifying column can be installed on inside tower body 1 in hoisting process by screw, for welding manner,
Operate it is simpler quick, consequently facilitating the installation of column plate 8, replacement and maintenance;
Inspection hole 23 is used to check the internal state of rectifying column, the setting of Tailing Lug 25 and earth plate 24 can convenient for rectifying column with
External equipment connection;
Discharge of two exhaust outlets 20 of 3 top of tower seat for gaseous impurity in tower body 1；
First pressure gauge mouth 11, second pressure gauge mouth 16, the first thermometer mouth 12, second temperature meter mouth 13, third thermometer mouth
14, the 4th thermometer mouth 18, the first liquid level meter mouth 17, the second liquid level meter mouth 19 setting can convenient for observation tower body 1 in temperature,
Situations such as pressure and liquid level, it can be achieved that monitoring to operating condition, ensures temperature, pressure, the liquid level etc. in tower body 1
Situation meets the separation requirement of rectifying column, to further improve separative efficiency.
Claims (9)
1. a kind of plate distillation column comprising tower body, tower reactor and tower seat, be provided on the tower body gas vent, refluxing opening, into
Material mouth, discharge port, the tower body are internally provided with several layers column plate, which is characterized in that the feed inlet include first charging aperture,
Second charging aperture, the top of the tower body are provided with the first cylindrical fractionation room, and the top of first fractionation room is provided with
Hemispherical head, the top of the end socket are provided with the gas vent, the end socket on the barrel of first fractionation room
Lower section is provided with the refluxing opening, and the refluxing opening is connected to the reflux line of the first fractionation chamber interior, first fractionation
Sieve tray, the first screen, filler, the second screen have been sequentially arranged below refluxing opening described in chamber interior；Between the column plate
Gap is sequentially reduced from top to bottom；Two terminal side edges of the column plate are relatively set with first baffle, second baffle, and described second
Threaded hole is provided on baffle, the column plate is interlocked by threaded hole, gasket and screw is fixed on the cylinder inboard wall of the tower body
On.
2. a kind of plate distillation column according to claim 1, which is characterized in that the gas goes out on the hemispherical head
The two sides of mouth are provided with first pressure gauge mouth, the first thermometer mouth.
3. a kind of plate distillation column according to claim 1, which is characterized in that it is described first fractionation room and the tower body it
Between be provided with cone.
4. a kind of plate distillation column according to claim 3, which is characterized in that in the tower body of the lower section of the centrum
Portion is equipped with the first demarcation plate.
5. a kind of plate distillation column according to claim 4, which is characterized in that the lower section tower of first demarcation plate
Second temperature meter mouth, the first charging aperture are provided on the barrel of body.
6. a kind of plate distillation column according to claim 5, which is characterized in that be provided with below first demarcation plate
Second demarcation plate is separately installed between first demarcation plate and the second demarcation plate, between the second demarcation plate and the tower reactor
The column plate is provided with third thermometer mouth, second charging on the barrel of the lower section tower body of second demarcation plate
Mouthful.
7. a kind of plate distillation column according to claim 1, which is characterized in that be provided on the barrel of the tower reactor and boil again
Device exports connector, second pressure gauge mouth, the first liquid level meter mouth, the 4th thermometer mouth, the second liquid level meter mouth.
8. a kind of plate distillation column according to claim 1, which is characterized in that close to institute on the top barrel of the tower seat
The position setting of tower reactor is stated there are two exhaust outlet.
9. a kind of plate distillation column according to claim 1, which is characterized in that distinguished by pipeline the bottom end of the tower reactor
It is connected to discharge port, reboiler port connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810170995.4A CN110215729B (en) | 2018-03-01 | 2018-03-01 | Plate-type rectifying tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810170995.4A CN110215729B (en) | 2018-03-01 | 2018-03-01 | Plate-type rectifying tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110215729A true CN110215729A (en) | 2019-09-10 |
| CN110215729B CN110215729B (en) | 2021-06-29 |
Family
ID=67821871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810170995.4A Active CN110215729B (en) | 2018-03-01 | 2018-03-01 | Plate-type rectifying tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110215729B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559678A (en) * | 2019-10-21 | 2019-12-13 | 无锡赫利邦化工科技有限公司 | rectifying tower for synthesizing and separating polymethoxy dimethyl ether and use method thereof |
| CN112023432A (en) * | 2020-08-26 | 2020-12-04 | 朱文艳 | Plate type fractionating tower |
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| US3075752A (en) * | 1958-03-18 | 1963-01-29 | Leva Max | Gas-liquid contact tower |
| DE4237358A1 (en) * | 1992-11-05 | 1994-05-11 | Wiederaufarbeitung Von Kernbre | Mass transfer column with variable distance spaced apart trays - for adjustment of droplet size, hold up and turndown |
| CN201271519Y (en) * | 2008-04-23 | 2009-07-15 | 广东纺织职业技术学院 | Building block combined plate column |
| CN202876409U (en) * | 2012-09-29 | 2013-04-17 | 山东金岭化学有限公司 | Combined coarse monomer rectification device |
| CN204601661U (en) * | 2015-05-12 | 2015-09-02 | 中国林业科学研究院林产化学工业研究所 | A kind of stripping vaporising device produced for environment-friendlyplasticizer plasticizer DOTP |
| CN104998433A (en) * | 2015-07-13 | 2015-10-28 | 山东润博生物科技有限公司 | Steam stripping dephenolization device and steam stripping dephenolization method thereby |
| CN106477792A (en) * | 2016-09-26 | 2017-03-08 | 中国石油化工股份有限公司 | A kind of method and device for stripping process petrochemical industry sour water nothing side line single column negative pressure |
| CN206081708U (en) * | 2016-09-26 | 2017-04-12 | 浙江远航绿能环保科技有限公司 | Board -like rectifying column of micropore column plate |
-
2018
- 2018-03-01 CN CN201810170995.4A patent/CN110215729B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3075752A (en) * | 1958-03-18 | 1963-01-29 | Leva Max | Gas-liquid contact tower |
| DE4237358A1 (en) * | 1992-11-05 | 1994-05-11 | Wiederaufarbeitung Von Kernbre | Mass transfer column with variable distance spaced apart trays - for adjustment of droplet size, hold up and turndown |
| CN201271519Y (en) * | 2008-04-23 | 2009-07-15 | 广东纺织职业技术学院 | Building block combined plate column |
| CN202876409U (en) * | 2012-09-29 | 2013-04-17 | 山东金岭化学有限公司 | Combined coarse monomer rectification device |
| CN204601661U (en) * | 2015-05-12 | 2015-09-02 | 中国林业科学研究院林产化学工业研究所 | A kind of stripping vaporising device produced for environment-friendlyplasticizer plasticizer DOTP |
| CN104998433A (en) * | 2015-07-13 | 2015-10-28 | 山东润博生物科技有限公司 | Steam stripping dephenolization device and steam stripping dephenolization method thereby |
| CN106477792A (en) * | 2016-09-26 | 2017-03-08 | 中国石油化工股份有限公司 | A kind of method and device for stripping process petrochemical industry sour water nothing side line single column negative pressure |
| CN206081708U (en) * | 2016-09-26 | 2017-04-12 | 浙江远航绿能环保科技有限公司 | Board -like rectifying column of micropore column plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559678A (en) * | 2019-10-21 | 2019-12-13 | 无锡赫利邦化工科技有限公司 | rectifying tower for synthesizing and separating polymethoxy dimethyl ether and use method thereof |
| CN110559678B (en) * | 2019-10-21 | 2024-02-27 | 无锡赫利邦化工科技有限公司 | Rectifying tower for synthesizing and separating polymethoxy dimethyl ether and application method thereof |
| CN112023432A (en) * | 2020-08-26 | 2020-12-04 | 朱文艳 | Plate type fractionating tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110215729B (en) | 2021-06-29 |
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