KR101763704B1 - Carbon dioxide operating system - Google Patents
Carbon dioxide operating system Download PDFInfo
- Publication number
- KR101763704B1 KR101763704B1 KR1020150128095A KR20150128095A KR101763704B1 KR 101763704 B1 KR101763704 B1 KR 101763704B1 KR 1020150128095 A KR1020150128095 A KR 1020150128095A KR 20150128095 A KR20150128095 A KR 20150128095A KR 101763704 B1 KR101763704 B1 KR 101763704B1
- Authority
- KR
- South Korea
- Prior art keywords
- carbon dioxide
- storage tank
- liquefied carbon
- supplied
- gas
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/14—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed pressurised
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0337—Heat exchange with the fluid by cooling
- F17C2227/0341—Heat exchange with the fluid by cooling using another fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
- F17C2227/041—Methods for emptying or filling vessel by vessel
- F17C2227/042—Methods for emptying or filling vessel by vessel with change-over from one vessel to another
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
- F17C2227/048—Methods for emptying or filling by maintaining residual pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/01—Purifying the fluid
- F17C2265/015—Purifying the fluid by separating
- F17C2265/017—Purifying the fluid by separating different phases of a same fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/032—Treating the boil-off by recovery
- F17C2265/033—Treating the boil-off by recovery with cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/032—Treating the boil-off by recovery
- F17C2265/037—Treating the boil-off by recovery with pressurising
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/05—Regasification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
Abstract
Discloses a carbon dioxide operating system. A carbon dioxide operating system according to an embodiment of the present invention includes a storage tank for storing evaporative gas of liquefied carbon dioxide and liquefied carbon dioxide; A processor for converting the liquefied carbon dioxide supplied from the storage tank into a temperature and a pressure according to conditions of a customer; A vaporizer for receiving and vaporizing a part of the liquefied carbon dioxide supplied from the storage tank to the treatment section; And a reservoir pressure maintaining line for supplying some of the liquefied carbon dioxide to the opportunity.
Description
The present invention relates to a carbon dioxide operating system.
Carbon dioxide accounts for about 70% of the global warming gas, and technologies for reducing atmospheric emissions are being developed by collecting carbon dioxide from steelworks, thermal power plants, etc. and storing it in a seabed storage.
Carbon dioxide can be transported by the ship in a liquefied state. In the storage tank of the ship storing the liquefied carbon dioxide, evaporative gas of liquefied carbon dioxide caused by external heat or the like is present together with liquid carbon dioxide. In order to maintain the carbon dioxide in the liquid phase, it is usually required to maintain at least the triple point (5.16 bar at -56.6 캜) and supercritical (31.1 캜, 74.8 bar).
In order to transport liquefied carbon dioxide with these characteristics to storage, liquefied carbon dioxide is transported to a storage tank during the berth of anchorage, the shipped liquefied carbon dioxide is transferred to the bottom storage, and the characteristics of carbon dioxide Efficient operation should be done.
For example, in the process of unloading liquefied carbon dioxide and in the process after unloading, the internal pressure of the storage tank may be lowered to affect the unloading process, so that there is a need to maintain the internal pressure of the storage tank so that an effective unloading can be accomplished.
Korean Patent Laid-Open No. 10-2010-0068827 (published on June 24, 2010) filed a concept patent for simultaneous shipment of carbon dioxide and other cargoes. However, a specific configuration for efficiently solving the above-mentioned problems and efficient operation of carbon dioxide I can not.
An embodiment of the present invention is to provide a carbon dioxide operation system that allows the pressure inside the storage tank to be maintained constant during the liquefied carbon dioxide unloading operation, and enables effective carbon dioxide operation.
According to an aspect of the present invention, there is provided a storage tank for storing liquefied carbon dioxide and a vaporized gas of the liquefied carbon dioxide; A processor for converting the liquefied carbon dioxide supplied from the storage tank into a temperature and a pressure according to conditions of a customer; A vaporizer for supplying and vaporizing a part of the liquefied carbon dioxide supplied from the storage tank to the processing unit; And a storage tank pressure maintaining line for supplying a part of the liquefied carbon dioxide to the opportunity machine.
The vaporized liquefied carbon dioxide passing through the vaporizer may be supplied to the storage tank for maintaining the internal pressure of the storage tank.
Wherein the processing unit includes a primary heat exchange unit for performing primary heat exchange between the liquefied carbon dioxide and the heat medium supplied from the storage tank, a pressurizing unit for pressurizing the liquefied carbon dioxide subjected to the primary heat exchange, and a pressurizing unit for pressurizing the pressurized liquefied carbon dioxide And a secondary heat exchanger for performing secondary heat exchange.
A liquefied carbon dioxide supplying unit for supplying liquefied carbon dioxide to the storage tank; and a liquefied carbon dioxide supplying unit for supplying liquefied carbon dioxide to the storage tank through the vaporizer to supply liquefied carbon dioxide to the storage tank, Further comprising a liquefied gas supply line through which the liquefied carbon dioxide supplied from the storage tank is supplied to the customer through the treatment unit, And may be branched from the liquefied gas supply line and connected to the injection line at the upstream end of the vaporizer.
An inactive gas is generated from the air supplied from the air compression unit and is supplied with inert gas to the storage tank prior to the cooling operation in the storage tank to deactivate the inside of the storage tank Gas device.
An air filter for filtering the compressed air to remove impurities and an air heater for heating the filtered air according to a set temperature, wherein the heated air is supplied to the storage tank, Moisture inside the storage tank can be removed.
A hydrate inhibitor supply line connecting the hydrate suppressing unit and the liquefied gas supply line to each other to supply the hydrate inhibitor to the liquefied gas supply line; And a hydrate suppressing unit pressure maintaining line connecting the hydrate suppressing unit and providing the inert gas to the hydrate suppressing unit to maintain the internal pressure of the hydrate suppressing unit.
And a re-liquefaction unit for re-liquefying the evaporation gas supplied from the storage tank, wherein the re-liquefaction unit comprises: a first compressor for compressing evaporative gas of liquefied carbon dioxide supplied from the storage tank; A second compressor for receiving and compressing the gas component generated in the cooling device; a heat exchanger for performing heat exchange between the compressed gas component and the heat medium to liquefy the gas component; And a gas-liquid separator for separating the separated liquid component and the gaseous component, and a part of the separated liquid component and the gaseous component can be supplied to the cooling device.
The carbon dioxide operating system according to the embodiment of the present invention can maintain the pressure in the storage tank constant during the operation of loading the liquefied carbon dioxide and enable the efficient operation of the carbon dioxide.
The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.
1 shows a carbon dioxide operating system according to an embodiment of the present invention.
FIG. 2 shows another example of the structure in which the internal pressure of the hydrate suppressing unit shown in FIG. 1 is maintained using the evaporated gas of liquefied carbon dioxide supplied from the storage tank.
FIG. 3 is a view showing a configuration for processing liquefied carbon dioxide remaining in a storage tank after unloading liquefied carbon dioxide into the carbon dioxide operating system shown in FIG. 1. FIG.
FIG. 4 is a flowchart of a carbon dioxide operation method using the carbon dioxide operation system shown in FIGS. 1 and 3. FIG.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments described below are provided by way of example so that those skilled in the art will be able to fully understand the spirit of the present invention. The present invention is not limited to the embodiments described below, but may be embodied in other forms. In order to clearly explain the present invention, parts not related to the description are omitted from the drawings, and the width, length, thickness, etc. of the components may be exaggerated for convenience. Like reference numerals designate like elements throughout the specification.
Referring to FIG. 1, a carbon
The
The
After the moisture is removed, a deactivation operation, which is a replacement process for discharging oxygen in the
As described above, the compressed air provided by the
After the deactivation operation is performed, a cooling operation inside the
After the cooling operation is completed, the gas component existing in the
The liquefied carbon dioxide supplied from the liquefied carbon
The
The evaporation gas supply line L4 for allowing the evaporation gas supplied from the
That is, the evaporated gas supplied from the
Next, the fluid having passed through the
The gas component stored in the gas-
The mixed fluid supplied to the
The
Here, a liquefied gas supply line L8 (see FIG. 8) for supplying the liquefied carbon dioxide fed from the
As described above, the heat exchange is performed step by step through the primary and
The internal pressure of the
For this purpose, the liquefied gas supply line (L8) in the former stage of the
When the
A hydrate suppressing agent supply line L13 connecting the
At this time, since the pressure inside the
For this purpose, the
As another example, referring to FIG. 2, a second hydrate suppressing unit for maintaining the internal pressure of the
On the other hand, there is a need to vaporize and discharge the liquefied carbon dioxide remaining in the
Referring to Figure 3, 1, the evaporated gas of liquefied carbon dioxide supplied from the
Hereinafter, a method for operating carbon dioxide using the carbon
First, liquefied carbon dioxide is stored in the storage tank 10 (S1). This process (S1) can be performed during berths. Here, before storing the liquefied carbon dioxide, the compressed drying air is supplied to the
Next, the
Next, the liquefied carbon dioxide stored in the
Next, the
1) between the
After the process S4, the evaporation gas supplied from the
The foregoing has shown and described specific embodiments. However, it is to be understood that the present invention is not limited to the above-described embodiment, and various changes and modifications may be made without departing from the scope of the technical idea of the present invention described in the following claims It will be possible.
10: Storage tank 110: Air compression unit
120: Inert gas device 130: Liquefied carbon dioxide supply part
135: Liquefied carbon dioxide vaporizer 140: Re-
141: first compressor 142: cooling device
143: Second compressor 145: Heat exchanger
147: gas-liquid separator 150:
151: Primary heat exchanger 153:
155: Secondary heat exchanging unit 160: Hydrate suppressing unit
L4: Evaporative gas supply line L8: Liquefied gas supply line
L12: Storage tank pressure maintenance line L13: Hydrate inhibitor supply line
L14, L15: Hydrate suppression section pressure holding line
L16: Evaporation promotion line
Claims (8)
A processor for converting the liquefied carbon dioxide supplied from the storage tank into a temperature and a pressure according to conditions of a customer;
A vaporizer for supplying and vaporizing a part of the liquefied carbon dioxide supplied from the storage tank to the processing unit; And
A storage tank pressure maintaining line for supplying a part of the liquefied carbon dioxide to the vaporizer;
A liquefied carbon dioxide supply unit for supplying liquefied carbon dioxide to the storage tank;
An injection line connecting the liquefied carbon dioxide supply unit, the vaporizer, and the storage tank so that liquefied carbon dioxide supplied from the liquefied carbon dioxide supply unit is supplied to the storage tank through the vaporizer, for cooling the interior of the storage tank when the liquefied carbon dioxide is shipped; And
And a liquefied gas supply line for supplying liquefied carbon dioxide supplied from the storage tank to the customer through the processing unit,
Wherein the storage tank pressure maintenance line is branched from the liquefied gas supply line and is connected to the injection line at the front end of the vaporizer.
Wherein the vaporized liquefied carbon dioxide passed through the vaporizer is supplied to the storage tank for maintaining the internal pressure of the storage tank.
The processing unit
A primary heat exchanger for performing primary heat exchange between the liquefied carbon dioxide and the heat medium supplied from the storage tank,
A pressurizing unit for pressurizing the liquefied carbon dioxide subjected to the primary heat exchange,
And a secondary heat exchanger for performing secondary heat exchange between the pressurized liquefied carbon dioxide and the heating medium.
An air compression unit for compressing air,
Further comprising an inert gas device for generating an inert gas from the air supplied from the air compression unit and for deactivating the inside of the storage tank by supplying the inert gas to the storage tank before cooling the inside of the storage tank, .
An air filter for filtering the compressed air to remove impurities,
Further comprising an air heater for heating the filtered air according to a set temperature,
Wherein the heated air is supplied to the storage tank to remove moisture in the storage tank prior to the deactivation operation.
A hydrate suppressing portion for supplying a hydrate inhibitor,
A hydrate inhibitor supply line connecting the hydrate suppressing portion and the liquefied gas supply line to each other to allow the hydrate inhibitor to be supplied to the liquefied gas supply line,
Further comprising a hydrate suppression unit pressure maintaining line connecting the inert gas unit to the hydrate suppression unit and providing the inert gas to the hydrate suppression unit to maintain the internal pressure of the hydrate suppression unit.
And a re-liquefaction unit for re-liquefying the evaporated gas supplied from the storage tank,
The remapping section
A first compressor for compressing evaporative gas of liquefied carbon dioxide supplied from the storage tank,
A cooling device for cooling the compressed evaporated gas,
A second compressor for receiving and compressing the gas component generated in the cooling device,
A heat exchanger for performing heat exchange between the compressed gas component and the heating medium to liquefy the gas component,
And a gas-liquid separator for separating the fluid passing through the heat exchanger into a liquid component and a gas component,
Wherein some of the separated liquid components and gaseous components are supplied to the cooling device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020150128095A KR101763704B1 (en) | 2015-09-10 | 2015-09-10 | Carbon dioxide operating system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150128095A KR101763704B1 (en) | 2015-09-10 | 2015-09-10 | Carbon dioxide operating system |
Publications (2)
Publication Number | Publication Date |
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KR20170030772A KR20170030772A (en) | 2017-03-20 |
KR101763704B1 true KR101763704B1 (en) | 2017-08-01 |
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KR1020150128095A KR101763704B1 (en) | 2015-09-10 | 2015-09-10 | Carbon dioxide operating system |
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KR (1) | KR101763704B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102379478B1 (en) * | 2020-10-16 | 2022-03-31 | 삼성중공업 주식회사 | Gas treatment system for ship |
KR20230114825A (en) * | 2022-01-25 | 2023-08-02 | (주)로우카본 | Storage system for carbon dioxide capture reactants |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102380521B1 (en) * | 2020-04-28 | 2022-03-30 | 한국조선해양 주식회사 | Gas treating system and marine structure including the same |
WO2023182704A1 (en) * | 2022-03-24 | 2023-09-28 | 엘지전자 주식회사 | Laundry processing device and control method thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101103703B1 (en) | 2008-12-15 | 2012-01-11 | 대우조선해양 주식회사 | Ship having a carbon dioxide storage tank and operating method of the ship |
-
2015
- 2015-09-10 KR KR1020150128095A patent/KR101763704B1/en active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102379478B1 (en) * | 2020-10-16 | 2022-03-31 | 삼성중공업 주식회사 | Gas treatment system for ship |
KR20230114825A (en) * | 2022-01-25 | 2023-08-02 | (주)로우카본 | Storage system for carbon dioxide capture reactants |
KR102622492B1 (en) * | 2022-01-25 | 2024-01-10 | (주)로우카본 | Storage system for carbon dioxide capture reactants |
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Publication number | Publication date |
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KR20170030772A (en) | 2017-03-20 |
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