CN202246488U - Liquid ammonia and carbon dioxide heat exchange device - Google Patents
Liquid ammonia and carbon dioxide heat exchange device Download PDFInfo
- Publication number
- CN202246488U CN202246488U CN2011204075028U CN201120407502U CN202246488U CN 202246488 U CN202246488 U CN 202246488U CN 2011204075028 U CN2011204075028 U CN 2011204075028U CN 201120407502 U CN201120407502 U CN 201120407502U CN 202246488 U CN202246488 U CN 202246488U
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- CN
- China
- Prior art keywords
- carbon dioxide
- liquid ammonia
- pipeline
- exchange device
- heat exchange
- 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
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Abstract
The utility model specifically relates to a liquid ammonia and carbon dioxide heat exchange device which can solve the problems that cold energy of existing liquid ammonia is not utilized in a grading manner, and great fluctuations and consumption of compression work are caused by high temperature of carbon dioxide. The liquid ammonia and carbon dioxide heat exchange device further comprises a heat exchanger, wherein a pipeline I and a pipeline II, which are communicated with the heat exchanger and a carbon dioxide main pipe, are arranged between the heat exchanger and the carbon dioxide main pipe, and a pipeline III and a pipeline IV, which are communicated with the heat exchanger and a liquid ammonia main pipe are arranged between the heat exchanger and the liquid ammonia main pipe. The liquid ammonia and carbon dioxide heat exchange device disclosed by the utility model is reasonable and reliable in structural design, low-grade heat of the carbon dioxide can be fully utilized for producing more steam, the effective power of a compressor can be improved, and the liquid ammonia and carbon dioxide heat exchange device is simultaneously conductive to separation of oil, water and other impurities entrained in carbon dioxide gas and has the advantages of simple structure, convenience in transformation and maintenance and low cost.
Description
Technical field
The utility model relates to the heat-exchanger rig in the urea production, is specially a kind of liquefied ammonia, carbonic acid gas heat-exchanger rig.
Background technology
In the urea production; The carbonic acid gas that comes from the battery limit (BL) is owing to carry out thermal exchange with environment in pipeline; Temperature is than higher after arriving the urea battery limit (BL); And big with the variation of envrionment temperature fluctuation, cause one section temperature in of CO high and fluctuation is big, also need the compression works that consume not only bad for operation more; The temperature that simultaneously after the ammonia pump pressurization, directly is sent to high-pressure system or improves liquefied ammonia with vapour condensation liquid through an interchanger from the liquefied ammonia in ammonia storehouse to be to reach the purpose of raising high-pressure system by-product steam, not the cold to liquefied ammonia carry out efficiently, the classification utilization.
Summary of the invention
The utility model does not have the high temperature of classification utilization and carbonic acid gas to cause fluctuating greatly for the cold that solves existing liquefied ammonia and consumes the problem of compression work, and a kind of liquefied ammonia, carbonic acid gas heat-exchanger rig are provided.
The utility model is to adopt following technical scheme to realize: liquefied ammonia, carbonic acid gas heat-exchanger rig; Comprise carbonic acid gas house steward and the carbon dioxide separator that communicates with it, liquefied ammonia house steward and the liquefied ammonia surge tank that communicates with it; Also comprise interchanger; Be provided with pipeline I and the pipeline II that communicates with both between interchanger and the carbonic acid gas house steward, be provided with pipeline III and the pipeline IV that communicates with both between interchanger and the liquefied ammonia house steward.During operation; Carbonic acid gas in pipeline I and the pipeline III and liquefied ammonia get into interchanger and carry out heat exchange; The carbonic acid gas and the liquefied ammonia that have changed heat flow back to carbonic acid gas house steward and liquefied ammonia house steward through pipeline II and pipeline IV respectively; And then flowing into carbon dioxide separator and liquefied ammonia surge tank respectively, the cold that has overcome existing liquefied ammonia does not have the high temperature of classification utilization and carbonic acid gas to cause fluctuating big and consumes the problem of compression work.
The utility model reasonable in design is reliable, and the tow taste heat of carbonic acid gas is made full use of and voluminous steam, can not only the economical with materials cost, and can also make full use of environment and transfer to the heat in the carbonic acid gas; The reduction of carbonic acid gas temperature improves the active power of compressor, the consumption of minimizing compressor cycle water; Thereby reach energy saving purposes; Help separate impurities such as entrained oil, water in the dioxide gas simultaneously; For the safe operation of compressor provides safeguard, have simple in structure, be convenient to transform and safeguard and the low advantage of cost.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: 1-carbonic acid gas house steward, 2-carbon dioxide separator, 3-liquefied ammonia house steward, 4-liquefied ammonia surge tank, 5-interchanger, 6-pipeline I, 7-pipeline II, 8-pipeline III, 9-pipeline IV.
Embodiment
Liquefied ammonia, carbonic acid gas heat-exchanger rig; The carbon dioxide separator 2 that comprises carbonic acid gas house steward 1 and communicate, liquefied ammonia house steward 3 and the liquefied ammonia surge tank 4 that communicates with it with it; Also comprise interchanger 5; Be provided with the pipeline I 6 and pipeline II 7 that communicate with both between interchanger 5 and the carbonic acid gas house steward 1, be provided with pipeline III 8 and the pipeline IV 9 that communicates with both between interchanger 5 and the liquefied ammonia house steward 3.
Claims (1)
1. a liquefied ammonia, carbonic acid gas heat-exchanger rig; The carbon dioxide separator (2) that comprises carbonic acid gas house steward (1) and communicate, liquefied ammonia house steward (3) and the liquefied ammonia surge tank (4) that communicates with it with it; It is characterized in that: also comprise interchanger (5); Be provided with pipeline I (6) and the pipeline II (7) that communicates with both between interchanger (5) and the carbonic acid gas house steward (1), be provided with pipeline III (8) and the pipeline IV (9) that communicates with both between interchanger (5) and the liquefied ammonia house steward (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204075028U CN202246488U (en) | 2011-10-24 | 2011-10-24 | Liquid ammonia and carbon dioxide heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204075028U CN202246488U (en) | 2011-10-24 | 2011-10-24 | Liquid ammonia and carbon dioxide heat exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202246488U true CN202246488U (en) | 2012-05-30 |
Family
ID=46107760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204075028U Expired - Fee Related CN202246488U (en) | 2011-10-24 | 2011-10-24 | Liquid ammonia and carbon dioxide heat exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202246488U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786442A (en) * | 2012-08-16 | 2012-11-21 | 沧州大化股份有限公司 | Method of reducing energy consumption of synthetic feeding system of urea device |
| CN103497124A (en) * | 2013-09-06 | 2014-01-08 | 安徽淮化股份有限公司 | Method for reducing carbon dioxide gas temperature by using air-separation liquid product cold energy |
-
2011
- 2011-10-24 CN CN2011204075028U patent/CN202246488U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786442A (en) * | 2012-08-16 | 2012-11-21 | 沧州大化股份有限公司 | Method of reducing energy consumption of synthetic feeding system of urea device |
| CN103497124A (en) * | 2013-09-06 | 2014-01-08 | 安徽淮化股份有限公司 | Method for reducing carbon dioxide gas temperature by using air-separation liquid product cold energy |
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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: 20120530 Termination date: 20151024 |
|
| EXPY | Termination of patent right or utility model |