CN203976745U - Multitower series-parallel connection circulation amine absorption device - Google Patents
Multitower series-parallel connection circulation amine absorption device Download PDFInfo
- Publication number
- CN203976745U CN203976745U CN201420371732.7U CN201420371732U CN203976745U CN 203976745 U CN203976745 U CN 203976745U CN 201420371732 U CN201420371732 U CN 201420371732U CN 203976745 U CN203976745 U CN 203976745U
- Authority
- CN
- China
- Prior art keywords
- absorption tower
- absorption
- pipeline
- unstripped gas
- communicated
- 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 - Lifetime
Links
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 101
- 150000001412 amines Chemical class 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 30
- DIVDFFZHCJEHGG-UHFFFAOYSA-N oxidopamine Chemical compound NCCC1=CC(O)=C(O)C=C1O DIVDFFZHCJEHGG-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 abstract description 49
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 34
- 239000003345 natural gas Substances 0.000 abstract description 17
- 235000009508 confectionery Nutrition 0.000 abstract description 11
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 6
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract description 3
- -1 Sweet natural gas Chemical compound 0.000 abstract description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 2
- 239000001569 carbon dioxide Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 239000002253 acid Substances 0.000 description 6
- 230000003750 conditioning effect Effects 0.000 description 5
- 238000000746 purification Methods 0.000 description 3
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to a kind of multitower series-parallel connection circulation amine absorption device for Sweet natural gas.Be characterized in: comprise the absorption tower group being formed by the first absorption tower (1) connecting successively, second absorption tower (2), the 3rd absorption tower (3), the 4th absorption tower (4), the 5th absorption tower (5) and the 6th absorption tower (6), wherein the unstripped gas entrance of the first absorption tower (1) is communicated with raw material source of the gas by pipeline, and on the 6th absorption tower (6), is provided with unstripped gas outlet; Also comprise lean pump, the entrance of this lean pump is communicated with poor amine liquid source by pipeline and its outlet is communicated with the top amine liquid entrance on all absorption towers in the group of absorption tower by pipeline, and in this absorption tower group, the rich bottoms liquid outlet on all absorption towers is all communicated with rich solution outlet conduit by pipeline.The utility model provides a kind of multitower series-parallel connection circulation amine absorption device, and this device can be for sour gas such as gas sweetening carbon dioxide removal, hydrogen sulfide such as Sweet natural gas, synthetic gas.
Description
Technical field
The utility model relates to a kind of multitower series-parallel connection circulation amine absorption device for Sweet natural gas.
Background technology
Utilize Sweet natural gas to produce in the technique of natural gas liquids and production high-pressure natural gas, unstripped gas need to carry out purifying treatment, and the method that removes unstripped gas sour gas (as hydrogen sulfide, carbonic acid gas etc.) in scavenging process is the most ripe and conventional with amine method technique, in the Sweet natural gas that process purifies, the volume fraction general requirement of sour gas is 100 * 10
-6below.
At present, traditional natural gas conditioning absorption unit, the Component units such as equipment, instrument, pipeline in Sweet natural gas collection point site assembly so that production to be provided, each component units is interweaved, install required time long and install after the extremely trouble of relocating while needing to move natural gas liquefaction device, and floor space is also larger; And traditional removable natural gas conditioning absorption unit is due to the scantlings of the structure reason of equipment and device as used, the most deficiency of this type of gas conditioning degree of purification and gas conditioning amount are less.
Utility model content
When the purpose of this utility model is to provide a kind of consumption adjustment and installation compole short, move very convenient, gas conditioning amount is higher and the more much higher tower series-parallel connection of degree of purification circulation amine absorption device.
A kind of multitower series-parallel connection circulation amine absorption device, its special feature is: comprise the absorption tower group being comprised of the first absorption tower connecting successively, second absorption tower, the 3rd absorption tower, the 4th absorption tower, the 5th absorption tower and the 6th absorption tower, wherein the unstripped gas entrance on the first absorption tower is communicated with raw material source of the gas by pipeline, and on the 6th absorption tower, is provided with unstripped gas outlet; Also comprise lean pump, the entrance of this lean pump is communicated with poor amine liquid source by pipeline and its outlet is communicated with the top amine liquid entrance on all absorption towers in the group of absorption tower by pipeline, and in this absorption tower group, the rich bottoms liquid outlet on all absorption towers is all communicated with rich solution outlet conduit by pipeline.
Wherein the outlet of the unstripped gas on the first absorption tower is communicated with the unstripped gas entrance of second absorption tower by pipeline, the unstripped gas outlet of second absorption tower is communicated with the unstripped gas entrance on the 3rd absorption tower by pipeline, the unstripped gas outlet on the 3rd absorption tower is communicated with the unstripped gas entrance on the 4th absorption tower by pipeline, the unstripped gas outlet on the 4th absorption tower is communicated with the unstripped gas entrance on the 5th absorption tower by pipeline, and the unstripped gas outlet on the 5th absorption tower is communicated with the unstripped gas entrance on the 6th absorption tower by pipeline.
Wherein in the group of absorption tower, on the pipeline on the top amine liquid entrance on all absorption towers, rich bottoms liquid outlet, unstripped gas entrance and unstripped gas outlet side, series connected valve is all installed.
The utility model provides a kind of multitower series-parallel connection circulation amine absorption device, and this device can be for sour gas such as gas sweetening carbon dioxide removal, hydrogen sulfide such as Sweet natural gas, synthetic gas.And have the following advantages: 1, by series-parallel absorption tower, use the amine liquid of renewable Reusability to absorb the acid gas impurities comprising in Sweet natural gas, obtain Sweet natural gas, the synthetic gas of high degree of purification.2, the series-parallel connection by absorption tower obtains the larger device of relative gas processing amount.3, apparatus structure is simple, debugging built-up time is extremely short, easy to maintenance, technique is simple.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the utility model provides a kind of multitower series-parallel connection circulation amine absorption device, comprises the absorption tower group that series-parallel connection six absorption towers together form, and also comprises lean pump.Wherein unstripped gas accesses the unstripped gas entrance of 1 bottom, the first absorption tower by pipeline series connected valve, the unstripped gas outlet on the first 1 top, absorption tower is by the unstripped gas entrance of pipeline series connected valve access second absorption tower 2 bottoms, the top amine liquid entrance on the first absorption tower 1 is incorporated on the lean solution outlet conduit of lean pump by pipeline series connected valve, the rich bottoms liquid on the first absorption tower 1 (having absorbed the amine liquid of carbonic acid gas) outlet is incorporated on rich solution outlet conduit by pipeline series connected valve, the unstripped gas outlet at second absorption tower 2 tops is by the unstripped gas entrance of pipeline series connected valve access 3 bottoms, the 3rd absorption tower, second absorption tower 2 top amine liquid entrances are incorporated on the lean solution outlet conduit of lean pump by pipeline series connected valve, the rich solution outlet of second absorption tower 2 bottoms is incorporated on rich solution outlet conduit by pipeline series connected valve, by that analogy, gas pipe line successively series-parallel connection connects whole six minutes towers in the group of absorption tower, last unstripped gas picks out from the unstripped gas outlet at 6 tops, the 6th absorption tower.
Using method of the present utility model and principle of work are:
Unstripped gas accesses the first absorption tower 1 by pipeline, through amine liquid (poor amine liquid), raw material is carried out to acid gas for the first time and absorbs (for example, by the mode of the poor amine liquid of spray), removes sour gas in gas as H
2s, CO
2deng; Unstripped gas through an acid gas absorption accesses second absorption tower 2 by pipeline again, continues, by amine liquid (poor amine liquid), Sweet natural gas is carried out to acid gas for the second time and absorbs, and further removes the sour gas in gas; For reaching better decontamination effect improving, and then third and fourth is carried out in the 3rd absorption tower 3, the 4th absorption tower 4, the 5th absorption tower 5,6 pairs, the 6th absorption tower amine liquid for unstripped gas (poor amine liquid), five, six hypo acid aspirations are received by Sweet natural gas being accessed successively shown in accompanying drawing 1, the operations such as the unstripped gas that finally obtains highly removing acid gas transfers out and is dried, cryogenic liquefying can obtain natural gas liquids.Rich solution outlet conduit is for the rich amine liquid of centralized collection, and lean pump provides amine liquid (poor amine liquid) for all absorption towers to absorption tower group.
Claims (3)
1. a multitower series-parallel connection circulation amine absorption device, it is characterized in that: comprise the absorption tower group being formed by the first absorption tower (1) connecting successively, second absorption tower (2), the 3rd absorption tower (3), the 4th absorption tower (4), the 5th absorption tower (5) and the 6th absorption tower (6), wherein the unstripped gas entrance of the first absorption tower (1) is communicated with raw material source of the gas by pipeline, and on the 6th absorption tower (6), is provided with unstripped gas outlet; Also comprise lean pump, the entrance of this lean pump is communicated with poor amine liquid source by pipeline and its outlet is communicated with the top amine liquid entrance on all absorption towers in the group of absorption tower by pipeline, and in this absorption tower group, the rich bottoms liquid outlet on all absorption towers is all communicated with rich solution outlet conduit by pipeline.
2. multitower series-parallel connection circulation amine absorption device as claimed in claim 1, it is characterized in that: wherein the unstripped gas of the first absorption tower (1) outlet is communicated with the unstripped gas entrance of second absorption tower (2) by pipeline, the unstripped gas outlet of second absorption tower (2) is communicated with the unstripped gas entrance on the 3rd absorption tower (3) by pipeline, the unstripped gas outlet on the 3rd absorption tower (3) is communicated with the unstripped gas entrance on the 4th absorption tower (4) by pipeline, the unstripped gas outlet on the 4th absorption tower (4) is communicated with the unstripped gas entrance on the 5th absorption tower (5) by pipeline, the unstripped gas outlet on the 5th absorption tower (5) is communicated with the unstripped gas entrance on the 6th absorption tower (6) by pipeline.
3. multitower series-parallel connection circulation amine absorption device as claimed in claim 1 or 2, is characterized in that: wherein in the group of absorption tower, on the pipeline on the top amine liquid entrance on all absorption towers, rich bottoms liquid outlet, unstripped gas entrance and unstripped gas outlet side, series connected valve is all installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371732.7U CN203976745U (en) | 2014-07-07 | 2014-07-07 | Multitower series-parallel connection circulation amine absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371732.7U CN203976745U (en) | 2014-07-07 | 2014-07-07 | Multitower series-parallel connection circulation amine absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203976745U true CN203976745U (en) | 2014-12-03 |
Family
ID=51974207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420371732.7U Expired - Lifetime CN203976745U (en) | 2014-07-07 | 2014-07-07 | Multitower series-parallel connection circulation amine absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203976745U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731508A (en) * | 2017-02-04 | 2017-05-31 | 扬州爱诺机电科技有限公司 | Carbon dioxide in flue gas recycling system |
| CN109925867A (en) * | 2019-04-25 | 2019-06-25 | 常州大学 | A kind of multi-stage jet-type water solubility gas recovery system |
-
2014
- 2014-07-07 CN CN201420371732.7U patent/CN203976745U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731508A (en) * | 2017-02-04 | 2017-05-31 | 扬州爱诺机电科技有限公司 | Carbon dioxide in flue gas recycling system |
| CN109925867A (en) * | 2019-04-25 | 2019-06-25 | 常州大学 | A kind of multi-stage jet-type water solubility gas recovery system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 750001 16 Fengqing West Road, Desheng Industrial Park, Yinchuan, the Ningxia Hui Autonomous Region. Patentee after: NINGXIA KAI TIAN GAS DEVELOPMENT CO.,LTD. Address before: 750200 south side of Fengqing West Road, Desheng Industrial Park, Helan, Yinchuan, the Ningxia Hui Autonomous Region Patentee before: YINCHUAN TIANJIA ENERGY TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |