CN204417138U - A kind of high purity liquid carbon dioxide purifying plant - Google Patents
A kind of high purity liquid carbon dioxide purifying plant Download PDFInfo
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- CN204417138U CN204417138U CN201520038744.2U CN201520038744U CN204417138U CN 204417138 U CN204417138 U CN 204417138U CN 201520038744 U CN201520038744 U CN 201520038744U CN 204417138 U CN204417138 U CN 204417138U
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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
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Abstract
A kind of high purity liquid carbon dioxide purifying plant, comprise devulcanizer, well heater, purification tower, vaporizer-condenser and Liquid carbon dioxide storage tank, purification tower comprises tower body, tower body is provided with import, outlet is provided with bottom tower body, tower body top is provided with venting port, condenser is distributed with successively from top to bottom between venting port and outlet, first packing layer, second packing layer, interchanger, import is between the first packing layer and the second packing layer, tower body is provided with the heat transferring medium import that is connected with interchanger and heat transferring medium exports, heat transferring medium import is connected with well heater, well heater is connected with devulcanizer, heat transferring medium outlet is connected with vaporizer-condenser, vaporizer-condenser is connected with import, outlet is connected with Liquid carbon dioxide storage tank.Its technique effect is: can effectively remove inorganic sulfur, hydrocarbon polymer and non-condensable gases, and the Liquid carbon dioxide purity obtained is high; The heat produced by well heater is as the heat medium of interchanger, energy-saving and cost-reducing.
Description
Technical field
The utility model relates to a kind of purifying plant.
Background technology
Liquid carbon dioxide tool has been widely used, preserved food can be used for as a kind of refrigeration agent, can be used for rainmaking, also be a kind of industrial raw material simultaneously, can be used for soda ash processed, urea and carbonated drink etc., the manufacture, sterilant etc. of refrigerant, welding, foundary industry, refreshment drink, fire-fighting medium, carbonate can also be used for.Although the purposes of Liquid carbon dioxide widely, also very high to the requirement of its purity.At present, the method for purification of carbonic acid gas mainly contains: solvent absorption, pressure swing adsorption process, membrane separation process, compression condensation method etc., and these methods respectively have relative merits in concrete use.Such as, solvent absorption mainly selects one or more absorption liquids according to gas source condition, absorb the carbonic acid gas in source of the gas, then from absorption liquid, carbonic acid gas is resolved, be applicable to process the lower source of the gas of carbon dioxide in gas concentration, separating effect is better, but this technology investment expense is large, energy consumption is high, and Separation and Recovery cost is high.Compression condensation method is also a kind of conventional method of purification, CO 2 raw material gas is forced into more than 2MPa by the method, then cleaning and desulfurization is dry, with refrigeration agent, pressurized gas is cooled to subzero 25 degrees centigrade again and makes it liquefaction, carrying out rectification and purification, this method effectively can remove the light constituent impurity such as nitrogen, carbon monoxide, hydrogen, methane, oxygen that raw material wherein exists, also can obtain highly purified liquid carbon dioxide, but this cannot effectively remove the heavy constituent impurity such as alcohol, ketone, aldehyde.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the utility model provide a kind of reliable and stable, product purity is high, energy-saving and cost-reducing high purity liquid carbon dioxide purifying plant.
To achieve these goals, a kind of high purity liquid carbon dioxide purifying plant designed by the utility model, comprise devulcanizer, well heater, purification tower, vaporizer-condenser and Liquid carbon dioxide storage tank, described purification tower comprises tower body, described tower body is provided with import, outlet is provided with bottom described tower body, described tower body top is provided with venting port, condenser is distributed with successively from top to bottom between described venting port and outlet, first packing layer, second packing layer, interchanger, described import is between described first packing layer and the second packing layer, described tower body is also provided with the heat transferring medium import that is connected with described interchanger and heat transferring medium exports, described heat transferring medium import is connected with the outlet of described well heater, the import of described well heater is connected with the outlet of described devulcanizer, described heat transferring medium outlet is connected with the import of described vaporizer-condenser, the outlet of described vaporizer-condenser is connected with described import, described outlet is connected with Liquid carbon dioxide storage tank.
Further, described first packing layer and the second packing layer are stainless steel metal and roll ripple packing.
Further, the height of described first packing layer is lower than the height of described second packing layer.
Further, described condenser is shell-and tube condenser.
Further, described interchanger is calandria interchanger.
Further, described heat transferring medium import is positioned at heat transferring medium outlet top.
Unstripped gas enters in devulcanizer from devulcanizer import and carries out desulfurization process, thus the small-scale inorganic sulphur existed in removal unstripped gas and other micro-detrimental impurity, then enter in well heater, pass into oxygen in well heater to carry out burning and remove hydrocarbon polymer with this, thus obtain high-temperature gas carbonic acid gas and water vapour mixed gas, this mixed gas enters in interchanger by heat transferring medium import, and flow in condenser/evaporator from heat transferring medium outlet, liquefy carbonic acid gas after overcooling, then enter in purification tower and purify further, flow of liquid carbon dioxide enters in the second packing layer, and with heated the atmospheric carbon dioxide risen by interchanger and carry out mass-and heat-transfer, gaseous carbon dioxide is fallen after rise by condenser liquefy carbonic acid gas and carries out mass-and heat-transfer with the gaseous carbon dioxide entering the first packing layer, liquid carbon dioxide utilizes the gravity of himself in tower from backflow, non-condensable gases is discharged from venting port with a small amount of gaseous carbon dioxide for liquefying, highly purified Liquid carbon dioxide flows out into Liquid carbon dioxide storage tank from outlet.
Described devulcanizer, well heater, vaporizer-condenser and Liquid carbon dioxide storage tank etc. belong to prior art, are not repeating one by one.
A kind of high purity liquid carbon dioxide purifying plant that the utility model obtains, its technique effect is: effectively can remove inorganic sulfur, hydrocarbon polymer and non-condensable gases by devulcanizer, well heater, purification tower etc., the Liquid carbon dioxide purity obtained is high, administration measure; And the heat produced by well heater is as the heat medium of interchanger, can effectively play energy-saving and cost-reducing.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high purity liquid carbon dioxide of the utility model purifying plant.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, a kind of high purity liquid carbon dioxide purifying plant that the utility model provides, comprise devulcanizer 1, well heater 2, purification tower, vaporizer-condenser 4 and Liquid carbon dioxide storage tank 5, described purification tower comprises tower body 3, described tower body 3 is provided with import 31, outlet 32 is provided with bottom described tower body 3, described tower body 3 top is provided with venting port 33, condenser 34 is distributed with successively from top to bottom between described venting port 33 and outlet 32, first packing layer 35, second packing layer 36, interchanger 37, described import 31 is between described first packing layer 35 and the second packing layer 36, described tower body 3 is also provided with the heat transferring medium import 38 be connected with described interchanger 37 and exports 39 with heat transferring medium, described heat transferring medium import 38 is connected with the outlet of described well heater 2, the import of described well heater 2 is connected with the outlet of described devulcanizer 1, described heat transferring medium outlet 39 is connected with the import of described vaporizer-condenser 4, the outlet of described vaporizer-condenser 4 is connected with described import 31, described outlet 32 is connected with Liquid carbon dioxide storage tank 5.
In the present embodiment, described first packing layer 35 and the second packing layer 36 are stainless steel metal and roll ripple packing, and the height of described first packing layer 35 is lower than the height of described second packing layer 36.
In the present embodiment, described condenser 34 is shell-and tube condenser, and described interchanger 37 is calandria interchanger.
In the present embodiment, described heat transferring medium import 38 is positioned at above heat transferring medium outlet 39.
Unstripped gas enters in devulcanizer 1 from devulcanizer import and carries out desulfurization process, thus the small-scale inorganic sulphur existed in removal unstripped gas and other micro-detrimental impurity, then enter in well heater 2, pass into oxygen in well heater 2 to carry out burning and remove hydrocarbon polymer with this, thus obtain high-temperature gas carbonic acid gas and water vapour mixed gas, this mixed gas enters in interchanger 37 by heat transferring medium import 38, and flow in condenser/evaporator 4 from heat transferring medium outlet 39, liquefy carbonic acid gas after overcooling, then enter in purification tower and purify further, flow of liquid carbon dioxide enters in the second packing layer 36, and carry out mass-and heat-transfer with the atmospheric carbon dioxide being heated rising by interchanger 37, gaseous carbon dioxide is fallen after rise by condenser 34 liquefy carbonic acid gas and carries out mass-and heat-transfer with the gaseous carbon dioxide entering the first packing layer 35, liquid carbon dioxide utilizes the gravity of himself in tower from backflow, non-condensable gases is discharged from venting port 33 with a small amount of gaseous carbon dioxide for liquefying, highly purified Liquid carbon dioxide flows out into Liquid carbon dioxide storage tank 5 from outlet 32.
Claims (6)
1. a high purity liquid carbon dioxide purifying plant, comprise devulcanizer, well heater, purification tower, vaporizer-condenser and Liquid carbon dioxide storage tank, it is characterized in that: described purification tower comprises tower body, described tower body is provided with import, outlet is provided with bottom described tower body, described tower body top is provided with venting port, condenser is distributed with successively from top to bottom between described venting port and outlet, first packing layer, second packing layer, interchanger, described import is between described first packing layer and the second packing layer, described tower body is also provided with the heat transferring medium import that is connected with described interchanger and heat transferring medium exports, described heat transferring medium import is connected with the outlet of described well heater, the import of described well heater is connected with the outlet of described devulcanizer, described heat transferring medium outlet is connected with the import of described vaporizer-condenser, the outlet of described vaporizer-condenser is connected with described import, described outlet is connected with Liquid carbon dioxide storage tank.
2. high purity liquid carbon dioxide purifying plant according to claim 1, is characterized in that: described first packing layer and the second packing layer are stainless steel metal and roll ripple packing.
3. high purity liquid carbon dioxide purifying plant according to claim 2, is characterized in that: the height of described first packing layer is lower than the height of described second packing layer.
4. high purity liquid carbon dioxide purifying plant according to claim 1, is characterized in that: described condenser is shell-and tube condenser.
5. high purity liquid carbon dioxide purifying plant according to claim 1, is characterized in that: described interchanger is calandria interchanger.
6. high purity liquid carbon dioxide purifying plant according to claim 1, is characterized in that: described heat transferring medium import is positioned at heat transferring medium outlet top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520038744.2U CN204417138U (en) | 2015-01-19 | 2015-01-19 | A kind of high purity liquid carbon dioxide purifying plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520038744.2U CN204417138U (en) | 2015-01-19 | 2015-01-19 | A kind of high purity liquid carbon dioxide purifying plant |
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| Publication Number | Publication Date |
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| CN204417138U true CN204417138U (en) | 2015-06-24 |
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| CN201520038744.2U Expired - Fee Related CN204417138U (en) | 2015-01-19 | 2015-01-19 | A kind of high purity liquid carbon dioxide purifying plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105129960A (en) * | 2015-08-28 | 2015-12-09 | 中国海洋石油总公司 | Purifying tower |
-
2015
- 2015-01-19 CN CN201520038744.2U patent/CN204417138U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105129960A (en) * | 2015-08-28 | 2015-12-09 | 中国海洋石油总公司 | Purifying tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jiaochuan streets in Zhenhai District of Zhejiang province 315207 Zhengde road Ningbo City No. 257 Ningbo East carbon limited liability company Patentee after: East China energy and environmental protection Limited by Share Ltd Address before: Jiaochuan streets in Zhenhai District of Zhejiang province 315207 Zhengde road Ningbo City No. 257 Ningbo East carbon limited liability company Patentee before: NINGBO HUADONG CARBON DIOXIDE CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20200119 |