KR20170010977A - - -hydrate slurry refrigeration and freezing systems - Google Patents
- -hydrate slurry refrigeration and freezing systems Download PDFInfo
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- KR20170010977A KR20170010977A KR1020150102756A KR20150102756A KR20170010977A KR 20170010977 A KR20170010977 A KR 20170010977A KR 1020150102756 A KR1020150102756 A KR 1020150102756A KR 20150102756 A KR20150102756 A KR 20150102756A KR 20170010977 A KR20170010977 A KR 20170010977A
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- South Korea
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- carbon dioxide
- hydrate slurry
- supplied
- unit
- expansion device
- Prior art date
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
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- F25B41/04—
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The present invention relates to a carbon dioxide-hydrate slurry producing unit that receives water and carbon dioxide externally to produce a carbon dioxide hydrate slurry; A first load unit for receiving the carbon dioxide-hydrate slurry produced in the carbon dioxide-hydrate slurry producing unit and exchanging heat with an external object; A pump for supplying the carbon dioxide-hydrate slurry produced in the carbon dioxide-hydrate slurry producing unit to the first load unit; A separator for separating the carbon dioxide-hydrate slurry passing through the first load section into water and carbon dioxide, and supplying the separated water to the carbon dioxide-hydrate slurry producing section; A first compressor for compressing carbon dioxide separated and supplied from the separator; A cooling unit for cooling the carbon dioxide compressed while passing through the first compressor; A first expansion device for expanding carbon dioxide which has passed through the cooling part; And a receiver for storing carbon dioxide which has passed through the first expansion device and for supplying carbon dioxide to the carbon dioxide-hydrate slurry producing section. The present invention also provides a carbon dioxide-hydrate slurry refrigeration and refrigeration system.
Therefore, it is possible to improve refrigeration and refrigeration efficiency by continuously producing carbon dioxide-hydrate and using it as a secondary fluid.
Description
The present invention relates to a carbon dioxide-hydrate slurry refrigeration and refrigeration system, and more particularly to a carbon dioxide-hydrate slurry refrigeration and refrigeration system that continuously generates carbon dioxide-hydrate and uses it as a secondary fluid to implement a refrigeration and refrigeration system. .
Korean Patent Laid-Open Publication No. 10-2011-0054279, gas hydrate is a special type of trapping compound whose appearance is white solid resembling ice, but the crystal structure and physical properties of the material are very different. In addition, generally, under the conditions of high pressure and low temperature, void space called a pupil is generated in a three-dimensional lattice structure formed by hydrogen bonding between water molecules, and a low molecular weight gas molecule (methane, ethane, propane, carbon dioxide, Etc.) are physically captured and generated.
These gas hydrates have potential characteristics that can be applied to various industrial fields, and many studies have been conducted recently. It can be divided into five broad categories: securing fluidity, recovering energy resources, coping with climate change, transporting and storing gas, and safety associated with each of these areas.
Korean Patent Laid-Open Publication No. 10-2011-0054279 discloses an apparatus for producing gas hydrate in which water supplied from a
The gas hydrate produced by such a hydrate producing apparatus will have a feature of being excellent in efficiency as a secondary fluid. However, the hydrate production apparatus has a problem in that it is difficult to implement a configuration in which gas hydrate is continuously generated and supplied to the cooling system, so that it is difficult to apply it as a secondary fluid of the cooling system.
DISCLOSURE Technical Problem The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a carbon dioxide-hydrate slurry refrigeration and refrigeration system capable of improving the efficiency of a refrigeration and refrigeration system by continuously producing carbon dioxide- The purpose is to provide.
In order to accomplish the above object, the present invention provides a carbon dioxide-hydrate slurry producing unit that receives water and carbon dioxide externally to produce a carbon dioxide hydrate slurry; A first load unit for receiving the carbon dioxide-hydrate slurry produced in the carbon dioxide-hydrate slurry producing unit and exchanging heat with an external object; A pump for supplying the carbon dioxide-hydrate slurry produced in the carbon dioxide-hydrate slurry producing unit to the first load unit; A separator for separating the carbon dioxide-hydrate slurry passing through the first load section into water and carbon dioxide, and supplying the separated water to the carbon dioxide-hydrate slurry producing section; A first compressor for compressing carbon dioxide separated and supplied from the separator; A cooling unit for cooling the carbon dioxide compressed while passing through the first compressor; A first expansion device for expanding carbon dioxide which has passed through the cooling part; And a receiver for storing carbon dioxide which has passed through the first expansion device and for supplying carbon dioxide to the carbon dioxide-hydrate slurry producing section. The present invention also provides a carbon dioxide-hydrate slurry refrigeration and refrigeration system.
The carbon dioxide-hydrate slurry refrigeration and refrigeration system according to the present invention comprises a second expansion device for supplying carbon dioxide stored in the receiver and expanding carbon dioxide supplied; A second load unit for supplying expanded carbon dioxide while passing through the second expansion device, and evaporating the supplied carbon dioxide; And a second compressor for compressing the carbon dioxide evaporated while passing through the second load unit and supplying compressed carbon dioxide to the first compressor.
In the carbon dioxide-hydrate slurry refrigeration and freezing system according to the present invention, a first flow rate regulating valve for regulating the flow rate of carbon dioxide supplied to the supply pipe for supplying carbon dioxide to the carbon dioxide-hydrate slurry producing unit in the receiver may be provided And a second flow control valve for controlling the flow rate of carbon dioxide supplied from the receiver to the second expansion device may be installed in the connection pipe connecting the receiver and the second expansion device.
The carbon dioxide-hydrate slurry refrigeration and refrigeration system according to the present invention can improve refrigeration and refrigeration efficiency by continuously producing carbon dioxide-hydrate and using it as a secondary fluid.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a conventional apparatus for producing a gas hydrate; FIG.
2 is a configuration diagram of a carbon dioxide-hydrate slurry refrigeration and refrigeration system according to an embodiment of the present invention.
FIG. 3 is a view illustrating a cooling process of the carbon dioxide-hydrate slurry refrigeration and refrigeration system shown in FIG. 2. FIG.
FIG. 4 is a view illustrating the refrigeration process of the carbon dioxide-hydrate slurry refrigeration and refrigeration system shown in FIG. 2. FIG.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention.
FIG. 2 is a configuration diagram of a carbon dioxide-hydrate slurry refrigeration and refrigeration system according to an embodiment of the present invention, FIG. 3 is a view illustrating a refrigeration process of the carbon dioxide-hydrate slurry refrigeration and refrigeration system shown in FIG. 2 is a view showing the cooling process of the carbon dioxide-hydrate slurry refrigeration and refrigeration system shown in FIG.
2 to 4, a carbon dioxide-hydrate slurry refrigeration and
The carbon dioxide-hydrate
Water, which is the liquid supplied to the carbon dioxide-hydrate
The carbon dioxide-hydrate slurry generated in the carbon dioxide-hydrate
The carbon dioxide-hydrate slurry produced in the carbon dioxide-hydrate
The carbon dioxide-hydrate dissociated in the
The
The carbon dioxide compressed by the
The carbon dioxide cooled in the
The carbon dioxide changed from the high pressure to the low pressure while passing through the
A first
The carbon dioxide stored in the
Since the first
The
The
A method of operating the carbon dioxide-hydrate slurry refrigeration and
3, carbon dioxide and water are supplied to the carbon dioxide-hydrate
When the carbon dioxide-hydrate slurry is produced in the carbon dioxide-hydrate
The carbon dioxide-hydrate slurry supplied to the
Water and carbon dioxide separated from the
The
4, carbon dioxide and water are supplied to the carbon dioxide-hydrate
When the carbon dioxide-hydrate slurry is produced in the carbon dioxide-hydrate
The carbon dioxide-hydrate slurry supplied to the
The water and carbon dioxide separated from the
The
The carbon dioxide compressed in the
Therefore, it is possible to improve refrigeration and refrigeration efficiency by continuously producing carbon dioxide-hydrate and using it as a secondary fluid.
While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.
1000: Carbon Dioxide - Hydrate slurry refrigeration and freezing system
1100: Carbon dioxide-hydrate slurry producing unit
1200: first load section 1300: pump
1400: separator 1500: first compressor
1600: cooling section 1700: first expansion device
1800: Receiver 1900: Second expansion device
2000: second load section 2100: second compressor
Claims (3)
A first load unit for receiving the carbon dioxide-hydrate slurry produced in the carbon dioxide-hydrate slurry producing unit and exchanging heat with an external object;
A pump for supplying the carbon dioxide-hydrate slurry produced in the carbon dioxide-hydrate slurry producing unit to the first load unit;
A separator for separating the carbon dioxide-hydrate slurry passing through the first load section into water and carbon dioxide, and supplying the separated water to the carbon dioxide-hydrate slurry producing section;
A first compressor for compressing carbon dioxide separated and supplied from the separator;
A cooling unit for cooling the carbon dioxide compressed while passing through the first compressor;
A first expansion device for expanding carbon dioxide which has passed through the cooling part; And
And a receiver for storing carbon dioxide passed through the first expansion device and supplying carbon dioxide to the carbon dioxide-hydrate slurry producing section.
A second expansion device that is supplied with the carbon dioxide stored in the receiver and expands the supplied carbon dioxide;
A second load unit for supplying expanded carbon dioxide while passing through the second expansion device, and evaporating the supplied carbon dioxide; And
Further comprising a second compressor for compressing vaporized carbon dioxide while passing through said second load and for supplying compressed carbon dioxide to a first compressor.
A supply pipe for supplying carbon dioxide to the carbon dioxide-hydrate slurry producing unit in the receiver is provided with a first flow rate control valve for controlling the flow rate of carbon dioxide supplied,
Wherein the connection pipe connecting the receiver and the second expansion device is provided with a second flow control valve for controlling a flow rate of carbon dioxide supplied from the receiver to the second expansion device. Refrigeration system.
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KR1020150102756A KR101722321B1 (en) | 2015-07-21 | 2015-07-21 | - -hydrate slurry refrigeration and freezing systems |
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KR1020150102756A KR101722321B1 (en) | 2015-07-21 | 2015-07-21 | - -hydrate slurry refrigeration and freezing systems |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106802023A (en) * | 2017-03-16 | 2017-06-06 | 中南大学 | A kind of carbon dioxide hydrate refrigeration system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003071199A1 (en) * | 2002-02-19 | 2003-08-28 | Mitsui Zosen Plant Engineering Inc. | Refrigerating method and refrigerating system utilizing gas hydrate |
JP2004101140A (en) * | 2002-09-12 | 2004-04-02 | Tokyo Electric Power Co Inc:The | Heat pump using gas hydrate and heat using device |
KR20050084779A (en) * | 2002-12-13 | 2005-08-29 | 도쿄 덴료쿠 가부시기가이샤 | Heat pump using gas hydrate, and heat utilizing apparatus |
-
2015
- 2015-07-21 KR KR1020150102756A patent/KR101722321B1/en active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003071199A1 (en) * | 2002-02-19 | 2003-08-28 | Mitsui Zosen Plant Engineering Inc. | Refrigerating method and refrigerating system utilizing gas hydrate |
JP2004101140A (en) * | 2002-09-12 | 2004-04-02 | Tokyo Electric Power Co Inc:The | Heat pump using gas hydrate and heat using device |
KR20050084779A (en) * | 2002-12-13 | 2005-08-29 | 도쿄 덴료쿠 가부시기가이샤 | Heat pump using gas hydrate, and heat utilizing apparatus |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106802023A (en) * | 2017-03-16 | 2017-06-06 | 中南大学 | A kind of carbon dioxide hydrate refrigeration system |
CN106802023B (en) * | 2017-03-16 | 2019-05-10 | 中南大学 | A kind of carbon dioxide hydrate refrigeration system |
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Publication number | Publication date |
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KR101722321B1 (en) | 2017-04-10 |
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