CN205807986U - Co 2 liquefaction purifying plant - Google Patents
Co 2 liquefaction purifying plant Download PDFInfo
- Publication number
- CN205807986U CN205807986U CN201620436296.6U CN201620436296U CN205807986U CN 205807986 U CN205807986 U CN 205807986U CN 201620436296 U CN201620436296 U CN 201620436296U CN 205807986 U CN205807986 U CN 205807986U
- Authority
- CN
- China
- Prior art keywords
- rectifying column
- liquefier
- liquefaction
- reboiler
- purifying plant
- Prior art date
- 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.)
- Expired - Fee Related
Links
Abstract
This utility model discloses a kind of co 2 liquefaction purifying plant, it has rectifying column, liquefier, reboiler, is communicated to the feed pipe of described liquefier, connects the first pipeline of described liquefier and described rectifying column, connects described rectifying column and the second pipe of described reboiler and the 3rd pipeline connecting described reboiler and described liquefier, and described co 2 liquefaction purifying plant also has from described feed pipe branch and the subsidiary conduit that connects described rectifying column.Having the beneficial effects that of this utility model co 2 liquefaction purifying plant: cancel a reboiler, directly one subsidiary conduit of the feed pipe branch before liquefier is accessed the profit reduction and reserving section that rectifying column is filled out, serve as the hot-fluid fixed gas that prior art reboiler provides, save a reboiler equipment cost.
Description
[technical field]
This utility model relates to a kind of co 2 liquefaction purifying plant.
[background technology]
Relate to a large amount of uses along with Fossil fuels such as oil, coal, natural gass, discharge substantial amounts of refuse, make CO2 in air
Content increases year by year, causes serious environmental pollution, causes " greenhouse effect " in the whole world, brings a series of negative effect.As
The discharge capacity of what reduction CO2, turns waste into wealth, it is achieved its separation and recovery and comprehensive utilization, will become 21 century of paramount importance energy
Source and one of environmental problem.In the industrial production, mostly using liquefaction purification to reclaim high concentration CO 2, it is in carbonated beverages
(medicated beer), carbon dioxide gas arc welding, the expanding treatment of medicated cigarette silk, chemical utilization, food storage, carbon dioxide
The purposes of the aspects such as fertilizer, oil-gas mining, medical treatment, laboratory, underground mining.
In the middle of actual production, the conventional process of the liquefying and rectifying of carbon dioxide is: 2.5MPa atmospheric carbon dioxide enters
Liquefier is cooled to liquid CO 2 by liquefied ammonia, and liquid CO 2 enters in the middle part of rectifying column, through structured packing with under
The fixed gas obversion heat exchange of portion reboiler backflow (after the gaseous carbon dioxide that fixed gas is taken out of contacts with liquid CO 2, quilt
It is cooled to liquid with filler toward dirty；After the fixed gas bubble being mixed in liquid CO 2 is absorbed heat, expand and become air
Bubble is walked toward tower top drain) reach the effect that liquefaction purifies；The generation of fixed gas needs a reboiler, and the purpose of reboiler is
The ammonia of the carbon dioxide product of output with heat is carried out heat exchange, makes fixed gas and partial CO 2 be distilled out of rectifying column.
The process of boiling needs to be steamed by fixed gas with hot ammonia again, but during heating, two also part liquefied
Carbonoxide is heated into gas, causes the energy loss repeating liquefaction, also needs to increase a reboiler simultaneously, add manufacture
Cost.The process of boiling increases the load of co 2 liquefaction device again, too increases the power of ammonia compressor, causes the damage of energy consumption
Lose；Increase a reboiler simultaneously, too increase manufacturing cost.
Therefore, it is necessary to provide new co 2 liquefaction purifying plant to overcome the problems referred to above.
[utility model content]
Main purpose of the present utility model is to provide a kind of simple in construction, the co 2 liquefaction of lower cost purifies dress
Put.
This utility model is achieved through the following technical solutions above-mentioned purpose: a kind of co 2 liquefaction purifying plant, it has
There are rectifying column, liquefier, reboiler, are communicated to the feed pipe of described liquefier, connect described liquefier and described rectifying column
The first pipeline, connect described rectifying column and the second pipe of described reboiler and connect described reboiler and described liquefier
3rd pipeline, described co 2 liquefaction purifying plant also has the heat exchanger being positioned in described rectifying column and from described feed pipe
Road branch and connect the subsidiary conduit of described rectifying column.
Further, described rectifying column include being positioned at interlude feedboard, be positioned at the rectifying section above described feedboard and
Being positioned at the profit reduction and reserving section below described feedboard, described subsidiary conduit is communicated to described profit reduction and reserving section, and described first pipeline communication is to institute
State profit reduction and reserving section.
Further, described subsidiary conduit be communicated to the position of described profit reduction and reserving section less than described first pipeline communication to described in carry
The position of the section of staying.
Further, the material that described first pipeline enters described profit reduction and reserving section is liquid, carries described in the entrance of described subsidiary conduit
The material of the section of staying is gas.
Further, described heat exchanger is installed on described rectifying section.
Further, described subsidiary conduit is provided with a choke valve.
Compared with prior art, the having the beneficial effects that of this utility model co 2 liquefaction purifying plant: cancel
Reboiler, directly accesses, by one subsidiary conduit of the feed pipe branch before liquefier, the profit reduction and reserving section that rectifying column is filled out, serves as existing
The hot-fluid fixed gas that technology reboiler provides, adds a heat exchanger in rectifying column simultaneously, utilizes what rectifying column was vented not coagulate
Temperature in tower is continued to reduce by moral stream, reduces the discharge capacity of fixed gas, improves the yield of carbon dioxide, both can save construction
Cost can also reduce the load of liquefier, can also improve the effect of carbon dioxide yield simultaneously.
[accompanying drawing explanation]
Fig. 1 is this utility model co 2 liquefaction purifying plant structural representation.
[detailed description of the invention]
Refer to Fig. 1, this utility model is a kind of co 2 liquefaction purifying plant 100, and it has rectifying column 1, liquefaction
Device 2, reboiler 3, it is communicated to the feed pipe 41 of liquefier 1, the first pipeline 42 of connection liquefier 2 and rectifying column 1, connects essence
Evaporate the second pipe 43 of tower 1 and reboiler 3 and connect the 3rd pipeline 44 of reboiler 43 and liquefier 2.Co 2 liquefaction carries
Pure device 100 also has the heat exchanger 5 being positioned in rectifying column 1 and from feed pipe 41 branch and the auxiliary tube of connection rectifying column 1
Road 45.
Rectifying column 1 includes being positioned at the feedboard 12 of interlude, being positioned at the rectifying section 13 above feedboard 12 and be positioned at charging
Profit reduction and reserving section 14 below plate 12, subsidiary conduit 45 is communicated to retain a percentage of the total profits for the enterprise's own use section 14, and the first pipeline 42 is communicated to retain a percentage of the total profits for the enterprise's own use section 14.Subsidiary conduit
The position of 45 connection profit reduction and reserving sections 14 is communicated to retain a percentage of the total profits for the enterprise's own use the position of section 14 less than the first pipeline 42.First pipeline 42 enters profit reduction and reserving section 14
Material liquid, subsidiary conduit 45 enter profit reduction and reserving section 14 material be liquid.Heat exchanger 5 is installed on rectifying section 13.
One choke valve 46 is installed on subsidiary conduit 45.
Its operation principle is as follows: atmospheric carbon dioxide enters liquefier 2 by feed pipe 41 and is cooled to liquid by liquefied ammonia
Carbon dioxide, liquid CO 2 enters in rectifying column 1 by the first pipeline 42, after structured packing etc. processes, by auxiliary
Help pipeline 45 to introduce a small gangs of liquid CO 2 and enter profit reduction and reserving section 14, enter the carbon dioxide of profit reduction and reserving section 14 from subsidiary conduit 45
Flow is much smaller than the flow entering profit reduction and reserving section 14 from liquefier 2.
The hot-fluid fixed gas that the shallow bid liquid CO 2 that subsidiary conduit 45 introduces provides, the gaseous state two that this fixed gas is taken out of
After carbonoxide contacts with liquid CO 2, it is cooled into liquid with filler toward downstream to reboiler 3；Reach the effect that liquefaction purifies
Really, hinge structure, import liquid carbon dioxide by subsidiary conduit, save a reboiler equipment cost.
Connect on reboiler 3 and the 4th pipeline 48 of carbon dioxide and an offer in reboiler 3 after collecting purification is provided
5th pipeline 47 of liquid ammonia.
It addition, increase heat exchanger 5 on rectifying column 1 top, temperature in tower is continued by the fixed gas utilizing rectifying tower top to be vented
Reduce, reduce the discharge capacity of fixed gas, improve the yield of carbon dioxide, both can save construction cost and can also reduce liquefier
Load, the effect of carbon dioxide yield can also be improved simultaneously.
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art,
On the premise of creating design without departing from this utility model, it is also possible to making some deformation and improvement, these broadly fall into this practicality
Novel protection domain.
Claims (7)
1. a co 2 liquefaction purifying plant, it has rectifying column, liquefier, reboiler, is communicated to described liquefier
Feed pipe, connect the first pipeline of described liquefier and described rectifying column, connect the of described rectifying column and described reboiler
Two pipelines and connect the 3rd pipeline of described reboiler and described liquefier, it is characterised in that: described co 2 liquefaction purifies
Device also has from described feed pipe branch and the subsidiary conduit that connects described rectifying column.
2. co 2 liquefaction purifying plant as claimed in claim 1, it is characterised in that: described rectifying column includes being positioned at centre
Section feedboard, be positioned at the rectifying section above described feedboard and be positioned at the profit reduction and reserving section below described feedboard, described auxiliary tube
Road is communicated to described profit reduction and reserving section, described first pipeline communication to described profit reduction and reserving section.
3. co 2 liquefaction purifying plant as claimed in claim 2, it is characterised in that: described subsidiary conduit is communicated to described
The position of profit reduction and reserving section is less than the position of described first pipeline communication to described profit reduction and reserving section.
4. co 2 liquefaction purifying plant as claimed in claim 2, it is characterised in that: carry described in described first pipeline entrance
The material of the section of staying is liquid, and it is gas that described subsidiary conduit enters the material of described profit reduction and reserving section.
5. co 2 liquefaction purifying plant as claimed in claim 4, it is characterised in that: enter described from described subsidiary conduit
The carbon dioxide flow of profit reduction and reserving section is less than the flow entering described profit reduction and reserving section from described liquefier.
6. co 2 liquefaction purifying plant as claimed in claim 2, it is characterised in that: described co 2 liquefaction purifies dress
Putting and also have the heat exchanger being positioned in described rectifying column, described heat exchanger is installed on described rectifying section.
7. co 2 liquefaction purifying plant as claimed in claim 1, it is characterised in that: it is provided with one on described subsidiary conduit
Individual choke valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436296.6U CN205807986U (en) | 2016-05-15 | 2016-05-15 | Co 2 liquefaction purifying plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436296.6U CN205807986U (en) | 2016-05-15 | 2016-05-15 | Co 2 liquefaction purifying plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205807986U true CN205807986U (en) | 2016-12-14 |
Family
ID=57500139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620436296.6U Expired - Fee Related CN205807986U (en) | 2016-05-15 | 2016-05-15 | Co 2 liquefaction purifying plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205807986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744956A (en) * | 2016-12-22 | 2017-05-31 | 乐陵胜利新能源有限责任公司 | A kind of high-pressure washing methane purification carbon dioxide in process recovery process |
| CN109000429A (en) * | 2018-10-15 | 2018-12-14 | 聊城市鲁西化工工程设计有限责任公司 | A kind of co 2 liquefaction device and technique |
-
2016
- 2016-05-15 CN CN201620436296.6U patent/CN205807986U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744956A (en) * | 2016-12-22 | 2017-05-31 | 乐陵胜利新能源有限责任公司 | A kind of high-pressure washing methane purification carbon dioxide in process recovery process |
| CN109000429A (en) * | 2018-10-15 | 2018-12-14 | 聊城市鲁西化工工程设计有限责任公司 | A kind of co 2 liquefaction device and technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20170515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |