CN208804955U - The birectification purification system of liquid CO 2 - Google Patents
The birectification purification system of liquid CO 2 Download PDFInfo
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- CN208804955U CN208804955U CN201821640897.4U CN201821640897U CN208804955U CN 208804955 U CN208804955 U CN 208804955U CN 201821640897 U CN201821640897 U CN 201821640897U CN 208804955 U CN208804955 U CN 208804955U
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- purifying column
- current divider
- liquid
- carbon dioxide
- divider box
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
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- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model discloses the birectification purification systems of liquid CO 2, including the first purifying column, current divider box and the second purifying column, the current divider box is between the first purifying column and the second purifying column, and muffler and catheter are connected separately between current divider box and the first purifying column and the second purifying column, the inside of first purifying column is equipped with condenser, the inside of second purifying column is equipped with reboiler and distiller, the distiller is located at the top of reboiler, the top of the current divider box is equipped with liquefier, the utility model is provided with the first purifying column, second purifying column and liquefier, when carrying out the purification operations of liquid carbon dioxide, separating-purifying is carried out in different ways to the two according to the difference of heavy constituent and light component itself boiling point, and the boiling point of substance itself and Degree of Liquefaction have certain relationship, thus Heavy constituent in carbon dioxide can be condensed and separated under gas form, greatly improve the purity of carbon dioxide.
Description
Technical field
The utility model belongs to carbon dioxide production technical field, and in particular to the birectification of liquid CO 2 purifies system
System.
Background technique
It needs to remove other impurity by purification in the production process of food additives class liquid CO 2, wherein
Impurity includes heavy constituent and light component, is made a return journey the heavy constituent in removing carbon dioxide using pressure swing adsorption in the prior art,
Then it makes a return journey the light component in removing carbon dioxide using rectifying column, to reach the mark of food additives class liquid CO 2
Standard, but need to use certain adsorbent to realize pressure-variable adsorption during the purification operations, and adsorbent all has
Limit saturation state then needs to carry out regenerative operation in the saturation state for reaching adsorbent, exist during regenerative operation
Two parts of hot blow and cold blowing, increase the energy consumption in whole purification process, and adsorbent has certain service life, reaching makes
Solid waste can be generated with the service life, in addition existing apparatus has the incomplete phenomenon that liquefies when liquefying to carbon dioxide, if will
Liquefied carbon dioxide does not carry out distillation directly and will cause the waste of carbon dioxide completely, cause the purification rate of carbon dioxide compared with
It is low.
Utility model content
The purpose of this utility model is to provide the birectification purification systems of liquid CO 2, to solve existing transformation
The operation energy consumption of absorption is larger and is formed with solid waste and the problem of Degree of Liquefaction not exclusively causes carbon dioxide to waste.
To achieve the above object, the utility model provides the following technical solutions: the birectification of liquid CO 2 purifies system
System, including the first purifying column, current divider box and the second purifying column, the current divider box be located at the first purifying column and the second purifying column it
Between, and muffler and catheter are connected separately between current divider box and the first purifying column and the second purifying column, first purification
The inside of tower is equipped with condenser, and the inside of second purifying column is equipped with reboiler and distiller, and the distiller is located at
The top of reboiler, the top of the current divider box is equipped with liquefier, between the liquefier and the first purifying column and current divider box
It is connected separately with gas-guide tube and connecting leg, the middle position inside the current divider box is welded with oblique filter plate, and the side of current divider box
Guide pipe is installed on inner wall, the both ends of the guide pipe are located at the position of muffler and drain pipe port, and described point
Stream is welded on stream chamber interior wall at the position of catheter port and rushes box, the stream, which rushes between box and guide pipe, is connected with stream punching
Pipe, and stream rushes the inside of box and is rotatably connected to by shaft and stirs bar, is welded on the outer wall for stirring bar and stirs leaf.
Preferably, carbon dioxide inlet pipe and carbon dioxide row are respectively arranged on first purifying column and the second purifying column
Pipe, and the bottom end of the first purifying column is provided with sewage pipe.
Preferably, the muffler and catheter are respectively arranged at the two sides of oblique filter plate.
Preferably, several small filter openings and tapered protrusion are offered on the oblique filter plate.
Preferably, described to stir there are six leaf is arranged altogether, and six are stirred leaf and are uniformly distributed in a manner of annular array and stir bar
Outer wall on.
The utility model compared with prior art, has the advantages that
(1) the utility model is provided with the first purifying column, the second purifying column and liquefier, is carrying out liquid carbon dioxide
When purification operations, separating-purifying is carried out to the two according to the difference of heavy constituent and light component itself boiling point in different ways,
And the boiling point of substance itself and Degree of Liquefaction have certain relationship, thus can be in gas shape for the heavy constituent in carbon dioxide
It being condensed and separated under state, heavy constituent can be quickly precipitated under the operation of condensation liquefaction, and will not generate solid-state waste residue,
It is easy to implement the discharge of impurity and the clean and maintenance of follow-up equipment, in addition light component is under the cooperation of the second purifying column and liquefier
It is still separated using Conventional espresso, effective purification of liquid carbon dioxide is realized with this, avoids and adopts in whole purification process
It, without carrying out the regenerative operation of adsorbent, is effectively reduced under the premise of guaranteeing disintegrate-quality with the operation of traditional adsorbing separation
Required equipment and generated energy consumption in purification process, realize the production energy-saving of carbon dioxide.
(2) the utility model is provided with current divider box, guide pipe, stream and rushes box and oblique filter plate, and gaseous carbon dioxide is passing through liquid
Change and need to carry out triage operator by current divider box after device is liquefied, in order to be complete liquefied gas in liquid carbon dioxide
Body discharge, such as liquid carbon dioxide flow to oblique filter plate by connecting leg, filter opening and taper on oblique filter plate when entering current divider box
Protrusion realize respectively liquid stream conducting and bubble it is broken, gas included in it in liquid stream then by escaping after bubble is punctured
And float and flow in muffler, liquid stream then falls naturally under gravity, and flows to the direction of catheter, and stream rushes box
Interior stirring leaf and stir bar can generate rotation under the promotion of liquid stream, be stirred liquid stream further to remove the gas in liquid stream
Bubble, the gas after bubble breaking floats at this time, is flow at the port position of muffler by guide pipe, avoids the liquid stream with whereabouts
Bump against, the gas in liquid carbon dioxide is efficiently excluded by the double action that stream rushes box and oblique filter plate, is on the one hand mentioned
The purity of high liquid carbon dioxide avoids the waste for excluding gaseous carbon dioxide in distillation process to cause carbon dioxide, separately
On the one hand the separation reflux for effectively realizing gaseous carbon dioxide, effectively improves the separation purity of carbon dioxide.
Detailed description of the invention
Fig. 1 is the front view of the utility model；
Fig. 2 is the structural schematic diagram of the utility model current divider box；
Fig. 3 is the structural schematic diagram that the utility model stream rushes box；
In figure: the first purifying column of 1-, 2- condenser, 3- muffler, 4- current divider box, 5- catheter, 6- reboiler, 7- distillation
Device, the second purifying column of 8-, 9- connecting leg, 10- liquefier, 11- gas-guide tube, 12- guide pipe, 13- stream washing pipe, 14- stream rush box, 15-
Oblique filter plate, 16- stirs leaf, 17- stirs bar.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-Fig. 3, the utility model provides the following technical solutions: the birectification purification of liquid CO 2
System, including the first purifying column 1, current divider box 4 and the second purifying column 8, current divider box 4 are located at the first purifying column 1 and the second purifying column 8
Between, and muffler 3 and catheter 5 are connected separately between current divider box 4 and the first purifying column 1 and the second purifying column 8, first mentions
The inside of pure tower 1 is equipped with condenser 2, and the inside of the second purifying column 8 is equipped with reboiler 6 and distiller 7, according to carbon dioxide
The boiling point of inner material is different, carries out heavy constituent separation using condenser 2 and distiller 7 respectively and separates with light component, to have
Effect realizes the purification operations of carbon dioxide, improves the actual purity of target product, and distiller 7 is located at the top of reboiler 6, shunts
The top of case 4 is equipped with liquefier 10, is connected separately with gas-guide tube 11 between liquefier 10 and the first purifying column 1 and current divider box 4
With connecting leg 9, the middle position inside current divider box 4 is welded with oblique filter plate 15, is provided with filter opening and tapered protrusion on oblique filter plate 15,
It is respectively used to the conducting of realization liquid stream and being crushed for bubble, and guide pipe 12, guide pipe are installed on the side inner wall of current divider box 4
12 both ends are located at the position of 5 port of muffler 3 and catheter, and the position of 5 port of catheter is located on 4 inner wall of current divider box
The place of setting is welded with stream and rushes box 14, is carried out by the double action that stream rushes box 14 and oblique filter plate 15 to the gas in liquid carbon dioxide
It efficiently excludes, on the one hand improves the purity of liquid carbon dioxide, avoid causing gaseous carbon dioxide exclusion in distillation process
On the other hand the waste of carbon dioxide effectively realizes the separation reflux of gaseous carbon dioxide, effectively improves the separation of carbon dioxide
Purity, stream, which rushes between box 14 and guide pipe 12, is connected with stream washing pipe 13, and stream rushes the inside of box 14 and is rotatably connected to by shaft
Bar 17 is stirred, stirs on the outer wall of bar 17 to be welded with and stirs leaf 16, liquid stream will form certain flowing thrust in the process of flowing, to push away
It is dynamic to stir leaf 16 and stir the generation rotation of bar 17, the liquid stream at 5 port position of catheter is stirred, it is further by stirring action
Remove the bubble in liquid stream.
For the ease of realizing the leading into the export with export and impurity, in the present embodiment of carbon dioxide, it is preferred that first
Carbon dioxide inlet pipe and carbon dioxide comb, and the bottom of the first purifying column 1 are respectively arranged on purifying column 1 and the second purifying column 8
End is provided with sewage pipe.
In order to be adapted to the Xiang Liutong that divides of gas and liquid, in the present embodiment, it is preferred that muffler 3 and catheter 5 are distinguished
It is set to the two sides of oblique filter plate 15.
For the ease of realizing the circulation of liquid and being crushed for bubble, in the present embodiment, it is preferred that offered on oblique filter plate 15
Several small filter openings and tapered protrusion.
In order to sufficiently realize the agitation to liquid stream, in the present embodiment, it is preferred that stir leaf 16 altogether there are six settings, and six
Leaf 16 is stirred to be uniformly distributed in a manner of annular array on the outer wall for stirring bar 17.
The working principle and process for using of the utility model: when using the utility model, gaseous carbon dioxide (titanium dioxide
Carbon) entered in the condenser 2 in the first purifying column 1 by carbon dioxide inlet pipe first, boiling point is higher than according to the difference of boiling point
The impurity of carbon dioxide becomes heavy constituent, and boiling point then becomes light component lower than the impurity of carbon dioxide, and the boiling of substance itself
Point, boiling point more high then easier liquefaction corresponding with Degree of Liquefaction, thus gaseous carbon dioxide carries out condensate liquid in condenser 2
When change, the substance in heavy constituent can liquefy first, and liquefaction is formed by liquid stream and then falls into the bottom of the first purifying column 1 and lead to
Sewage pipe discharge is crossed, so that the heavy constituent in gaseous carbon dioxide be removed, residual gas then passes through the flow direction liquefaction of gas-guide tube 11
In device 10, the carbon dioxide of liquid is formed by the liquefaction of liquefier 10, and liquid carbon dioxide is imported by connecting leg 9 and is shunted
In case 4, liquid carbon dioxide flows to oblique filter plate 15 by connecting leg 9 when entering current divider box 4, and the filter opening on oblique filter plate 15 carries out liquid stream
Conducting, and tiltedly the tapered protrusion on filter plate 15 is crushed bubble contained in liquid stream, wherein institute after bubble is punctured
The gas for including then is flowed in muffler 3 by escaping and floating in liquid stream, and liquid stream falls naturally under gravity, is passed through oblique
Filter plate 15 falls within the bottom end of current divider box 4, and flows to the direction of catheter 5, and liquid stream will form certain stream in the process of flowing
Dynamicthrust generates rotation to push to stir leaf 16 and stir bar 17, is stirred, passes through to the liquid stream at 5 port position of catheter
Stirring action further removes the bubble in liquid stream, and the gas after bubble breaking floats at this time, passes through the stream flow direction guiding of washing pipe 13
Pipe 12, and at port position of the guiding role of guide pipe 12 downstream to muffler 3, it avoids bumping against with the liquid stream to fall, it is right
Gas in liquid carbon dioxide is efficiently excluded, and air-flow and liquid stream are individually directed condenser 2 by muffler 3 and catheter 5
In distiller 7, the low temperature distillation of liquid stream after realizing the time condensation purification of not liquefied gas completely and liquefying completely,
When carrying out low temperature distillation, heat is provided by reboiler 6, the liquid carbon dioxide in distiller 7 is heated, boiling point is lower
Light component can be vaporized first, so that the separation of liquid carbon dioxide and light component is realized, to obtain the liquid of high-purity
Carbon dioxide, and be discharged by carbon dioxide comb, the purification operations of liquid carbon dioxide are realized with this.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. the birectification purification system of liquid CO 2, including the first purifying column (1), current divider box (4) and the second purifying column
(8), it is characterised in that: the current divider box (4) is between the first purifying column (1) and the second purifying column (8), and current divider box (4)
Muffler (3) and catheter (5), first purification are connected separately between the first purifying column (1) and the second purifying column (8)
The inside of tower (1) is equipped with condenser (2), and the inside of second purifying column (8) is equipped with reboiler (6) and distiller (7),
The distiller (7) is located at the top of reboiler (6), and the top of the current divider box (4) is equipped with liquefier (10), the liquefaction
Gas-guide tube (11) and connecting leg (9), the current divider box are connected separately between device (10) and the first purifying column (1) and current divider box (4)
(4) internal middle position is welded with oblique filter plate (15), and guide pipe (12) are equipped on the side inner wall of current divider box (4),
The both ends of the guide pipe (12) are located at the position of muffler (3) and catheter (5) port, in the current divider box (4)
It is welded with stream at the position of catheter (5) port on wall to rush box (14), the stream rushes between box (14) and guide pipe (12)
It is connected with stream washing pipe (13), and stream rushes the inside of box (14) and is rotatably connected to and stirs bar (17) by shaft, the bar (17) that stirs
It is welded on outer wall and stirs leaf (16).
2. the birectification purification system of liquid CO 2 according to claim 1, it is characterised in that: first purification
It is respectively arranged with carbon dioxide inlet pipe and carbon dioxide comb on tower (1) and the second purifying column (8), and the first purifying column (1)
Bottom end is provided with sewage pipe.
3. the birectification purification system of liquid CO 2 according to claim 1, it is characterised in that: the muffler
(3) and catheter (5) is respectively arranged at the two sides of oblique filter plate (15).
4. the birectification purification system of liquid CO 2 according to claim 1, it is characterised in that: the oblique filter plate
(15) several small filter openings and tapered protrusion are offered on.
5. the birectification purification system of liquid CO 2 according to claim 1, it is characterised in that: described to stir leaf (16)
Altogether there are six settings, and six are stirred leaf (16) and are uniformly distributed on the outer wall for stirring bar (17) in a manner of annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640897.4U CN208804955U (en) | 2018-10-10 | 2018-10-10 | The birectification purification system of liquid CO 2 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640897.4U CN208804955U (en) | 2018-10-10 | 2018-10-10 | The birectification purification system of liquid CO 2 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208804955U true CN208804955U (en) | 2019-04-30 |
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ID=66238910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821640897.4U Active CN208804955U (en) | 2018-10-10 | 2018-10-10 | The birectification purification system of liquid CO 2 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208804955U (en) |
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2018
- 2018-10-10 CN CN201821640897.4U patent/CN208804955U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510670 No.1, Youcheng West Road, Aotou, Dayawan, Huizhou City, Guangdong Province Patentee after: Huizhou huadatong Gas Manufacturing Co., Ltd Address before: 516082 No. 1, West Aotou Youcheng Road, Daya Bay, Huizhou City, Guangdong Province Patentee before: HUIZHOU HUADATONG PETROCHEMICAL Co.,Ltd. |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Huanzhong Inventor after: Shi Wei Inventor after: Xu Ming Inventor after: Zeng Yangwen Inventor before: Chen Huanzhong Inventor before: Shi Wei Inventor before: Xu Ming Inventor before: Zeng Yangwen |