CN1690503A - Integrated process for natural gas hydrate preparation, natural gas storage, transportation and distribution - Google Patents
Integrated process for natural gas hydrate preparation, natural gas storage, transportation and distribution Download PDFInfo
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- CN1690503A CN1690503A CN 200410086314 CN200410086314A CN1690503A CN 1690503 A CN1690503 A CN 1690503A CN 200410086314 CN200410086314 CN 200410086314 CN 200410086314 A CN200410086314 A CN 200410086314A CN 1690503 A CN1690503 A CN 1690503A
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Abstract
The invention relates to a method for integrating producing, carrying and distribution of natural gas hydrates, comprising: producing the natural gas hydrates and storing it in the gas storing warehouse of lighter; when the natural gas hydrates is needed, supplying heat to the gas storing warehouse to attain gas storing warehouse; when needing remote transmission of gas storing warehouse, first using trailer boat bring the lighter to the destination, than, supply heat for exporting the natural gas hydrates and distribution; or using the lighter replace high pressure spherical tank as natural gas storing tank to supply natural gas in form of hydrates. Said invention integrates the storing, transmission and distribution of natural gas hydrates; since natural gas hydrates is solid, it is safe while lower energy consumption and cost.
Description
Technical field
The present invention relates to a kind of preparation method of gas hydrate, particularly relate to a kind of collection and prepare gas hydrates, accumulating rock gas and distribute incorporate method.
Background technique
Rock gas is a kind of important hydrocarbon, and its burning environmental pollution is little, belongs to a kind of clean fuel.And its reserves are abundant, and by 2000, the total explored reserve in the whole world reached 150.19 trillion m
3United States Geological Survey predicted in world's hydrocarbon evaluation project in 2000, still has 147.05 trillion m in the world
3The natural gas resource of exploration discovery is not equivalent to 8,860 hundred million barrels of oil.Newly-increased reserves 103.58 trillion m rapid growth period that world's rock gas explored reserve will being in, are estimated in from now on 25 years
3(Xu Zhihong, Wen Hao etc. the breakthrough of natural gas resource and the development that develops green process engineering of .21 century. Beijing: the .2002.26 of Sinopec publishing house).
Explored in the world gas reserves have approximately 70% be positioned at the domestic Siberia of Russia western with the Persian Gulf (they account for respectively the total explored reserve in the whole world 37.82% and 32.1%), and a lot of rock gases make land used not have rich in natural resources, and this just needs, and (land gas field or marine natural gas extraction platform) is delivered to the targeted customer from the place of production with rock gas by certain mode.
At present, transport rock gas to make land used method from the place of production and mainly contain two kinds:
First method, be mainly used in the natural gas transport of land gas-field exploitation to the user, this method is given the user with remote gas pipeline with natural gas transport, duct length only just can have an economic benefit in 1650～3300 kilometer range and can say, the rock gas of exploiting on the marine natural gas extraction platform needs the remote trans-oceanic user of being delivered to, and basic now technology of just not building the remote transfer line in deep-sea;
Another kind method, be mainly used in the natural gas transport of marine natural gas extraction platform exploitation to the user, this method is with the rock gas liquefy rock gas (LNG) that liquefies under-162 ℃ low temperature, transport LNG to territory of use with ship again, for this reason, need build receiving terminal in territory of use, LNG is gasified once again makes it return to gaseous state, by pipeline natural gas in gaseous state is sent to power station and other users then.
The typical cost structure of LNG is: 0.15 yuan/Nm of gas material
3(0.5$/MMBtu), 0.77 yuan/Nm of liquefaction
3(2.5$/MMBtu), 0.23 yuan/Nm of transportation
3(0.75$/MMBtu), like this, be 1.15 yuan/Nm in the cost insurance and freight of LNG receiving terminal
3(3.75$/MMBtu) (Gudmundsson J S.Natural gas hydrate-an alternative toliquefied natural gas.Petroleum Review May.232-235).The LNG plant layout is huge and involve great expense, and will adopt low-temperature liquefaction, and energy consumption is also very high, and therefore, Total Cost Ownership is higher.
For further development of natural gas resource, satisfy the higher demand of people's life, need low, the not only method of safe and reliable but also economic natural gas-storing of a kind of investment cost, utilizing the gas hydrate natural gas-storing is a new technology of researching and developing in the world at present.
Utilize the hydrate natural gas-storing to have many advantages: 1. the natural gas hydrate gas storage ability is huge, the rock gas of the following 160 times of volumes of hydrate energy storage standard state of a per unit volume; 2. condition of storage gentleness, rock gas can be stored in the hydrate under higher relatively temperature; 3. use the hydrate natural gas-storing safer than gaseous state, liquified natural gas: hydrate is nonflammable, can prevent that burning and explosive accident from taking place; The rock gas releasing course that is stored in the hydrate is slow, and to reveal speed slow for rock gas when aspects such as storage tank breaks accident took place; 4. there are a large amount of gas hydrates in occurring in nature, illustrate hydrate natural gas-storing technology have good natural background (Sun Zhigao, Fan's bolt lion etc. gas hydrate natural gas-storing technology. gas industry .2002,22 (5) .87-90).
People such as the Gudmundsson of Norwegian University of Science ﹠ Technology compare the back discovery with natural gas hydrate gas storage technology and natural gas liquefaction technological investment, store 1m with hydrate
3The operating cost of rock gas is about 1.98 yuan (0.24 dollars), and liquefaction 1m
3The operating cost of rock gas is about 3.05 yuan (0.37 dollars).As seen, utilize hydrate natural gas-storing cost lower.
At present, hydrate natural gas-storing Study on Technology is one of focus of Application of Hydrate research.The characteristics of hydrate natural gas-storing have broad prospects this The Application of Technology.
U.S. Pat 5,536,893 (the days for announcing: on July 16th, 1996) disclose the system of multiple process gas hydrate, also mention gas hydrate is condensed into the solid block that is suitable for long term storage under the temperature of external pressure and 0～15 ℃, but operating process and equipment are complicated, and the industrialization difficulty is relatively big.
Chinese patent application 01130148 (publication number: CN1429896A, open day: on July 16th, 2003) disclose a kind of preparation method of gas hydrate and device, it is that chemical promoter and water are mixed with the aqueous solution, solution is cooled to 1-10 ℃,, feeds rock gas in 3.0～8.0MPa absolute pressure with under the effect of 8000～12000Hz power ultrasonic, gas-liquid mol ratio 1: 30～1: 80, rock gas and water effect form gas hydrate slurry; Its continuous production is to carry out in a kind of device-horizontal cylindrical shape reactor of making gas hydrates and auxiliary system thereof.The advantage of this invention is: preparation method and device are simple, suitable, cost is low, the manufacturing efficiency height.
(publication number: CN1281543A, open day: January 24 calendar year 2001) disclose a kind of gas hydrate storage reservoir, the top that it utilizes a cover element to hide storage saw through the top to prevent sunlight to Chinese patent application 98812147.When the user needs gas to use, the part of cover element is removed, enter reservoir so that make sunlight see through the top, thereby dissolve the part gas hydrates in the storage, obtain gaseous natural gas.
For the remote trans-oceanic user of being delivered to of the rock gas of exploiting on the marine natural gas extraction platform, utilizing the hydrate storage and transportation rock gas will be a kind of efficient ways.But lot of documents only relates to the preparation method of gas hydrates, and does not relate to the incorporate scheme of storage, transportation and distribution with rock gas.
Summary of the invention
The objective of the invention is in order to solve long distance, the safety of trans-oceanic accumulating, the economic problems of rock gas; Thereby provide a kind of elder generation that rock gas is prepared into hydrate, carry out accumulating again, heat behind the arrival destination and be transformed into rock gas, the output or the incorporate method of collection storage, transportation and distribute natural gas of distributing again, this scheme can realize the purpose of remote trans-oceanic transport gas, and carrying cost is cheap.
Collection storage provided by the invention, transportation and the incorporate method of distribute natural gas may further comprise the steps:
(1) at first prepares gas hydrates: in the preparation gas hydrates system that forms by seawater heat exchanger, motor, propane gas compressor, the gas holder that is provided with perforated tube and centrifugal pump, carry out, with rock gas feed compressor be compressed to predetermined pressure (the compressor delivery pressure value is according to hydrate phasor decision, generally be equal or a little more than the pressure that balances each other of hydrate); After general's rock gas after compression is cooled to predetermined temperature again, cooled compressed natural gas is sent in the gas holder, to be 100 with the mol ratio of rock gas simultaneously: 1-10: 1 fresh water be squeezed in the gas holder by centrifugal pump, utilize the refrigeration agent refrigeration again, with the conversion of natural gas in the gas holder is gas hydrates, and is stored in this gas holder; The temperature of described predetermined cooling determines that according to actual conditions cryogenic temperature gets final product for low about 5-25 ℃ than the temperature that balances each other of gas hydrates usually;
(2) when needs use rock gas, heat supply is carried out in the gas storage storehouse of the gas hydrates that step (1) is obtained, and its heating load is whenever to obtain 1m
3Rock gas need provide the heat of 200-2000kcal to dissolve gas hydrates, removes the moisture in the rock gas, distributes and obtain rock gas output;
(3) or when needing the transport by sea rock gas, at first above-mentioned steps (1) is stored the natural gas hydrate gas storage jar, the rock gas accumulating barge that the natural gas hydrate gas storage jar will be installed with towboat drags toward the destination, in transportation process, need to adopt propane refrigeration in the gap of gas holder, the temperature that balances each other that the cryogenic temperature of this moment only need maintain than gas hydrates gets final product for low 5-15 ℃; Repeating step (2) distributes rock gas output again when needs are exported; Perhaps make the rock gas accumulating barge of land used replace high pressure sphere tank, use, deposit the rock gas of supplying with city or user's use with the form of hydrate as natural gas storage tank with arrival.
In above-mentioned step 1, comprise that also the rock gas that will obtain can have multiple processing mode: the vapour vehicle CNG steel cylinder that both it directly can have been loaded into 100atm, also it can be converted into gas hydrates once more, the branch tinning of gas hydrates is provided to the user, or in gas hydrates are changed the outfit Bunker on some large ships from barge, use as power.
Employed refrigeration agent and concrete cryogenic temperature are determined according to actual conditions in the described step 1), hang down 10 ℃ at least than the temperature that balances each other of gas hydrates usually.
Collection storage provided by the invention, transportation and the incorporate method of distribute natural gas have the following advantages:
Employed refrigeration system can realize each gas storage storehouse refrigeration or heat supply in technique scheme of the present invention; When needs freeze to each gas storage storehouse, liquid refrigerant is fed each bottom, gas storage storehouse, its effect is that the mixture of natural G﹠W in the gas holder is controlled under optimum conditions all the time, thereby natural G﹠W is changed into solid-state gas hydrates, finish the preparation gas hydrates, exactly the form of rock gas with gas hydrates has been stored in the gas holder.Along with the carrying out of process of refrigerastion, the liquid refrigerant in the gas storage storehouse will constantly gasify, and leave the gas storage storehouse.Be equipped with several hydraulic barriers in each gas storage storehouse of barge, vaporized gaseous refrigerant leaves the gas storage storehouse along the hydraulic barrier in the gas storage storehouse, enter compressor pressurizes, gaseous refrigerant after the pressurization enters seawater heat exchanger, after the seawater condensation, become low-pressure, liquid refrigerant, reenter the gas storage storehouse as refrigeration agent.When needs provide heat when dissolving gas hydrates to the gas storage storehouse, with reverse the getting final product of above-mentioned [thermodynamic process.This technology is also by rock gas accumulating barge, grows the transport by sea of distance with being stored in gas hydrates in the gas holder, arrives the storage of seeking survival as required again behind the destination, or changes rock gas again into by heating and export and distribute.This method has realized the integrated process of automation storage, transportation and distribute natural gas, and method is simple, easy operating, and less energy consumption, cost is low.In addition, the barge that is used for the rock gas accumulating can also replace high pressure sphere tank, makes the land used natural gas-storing with the form of the gas hydrates form of liquified natural gas (rather than with) at rock gas, has further saved the storage expenses of rock gas.Therefore, the enforcement of a whole set of technological scheme finally can reduce the carrying cost of rock gas significantly.
Description of drawings
Schematic flow sheet when Fig. 1 is the structure of barge of the vertical gas holder that uses of the present invention and refrigeration
Fig. 2 a is the barge structure schematic representation (wherein the refrigeration system of barge is in process of refrigerastion) of the horizontal gas holder that uses of the present invention
Fig. 2 b be Fig. 2 a A to enlarged view
Fig. 3 is barge schematic flow sheet when heat supply of the vertical gas holder that uses of the present invention
Fig. 4 a is the schematic representation that the refrigeration system of the barge of the horizontal gas holder that uses of the present invention is in heat supplying process
Fig. 4 b be Fig. 4 a A to enlarged view
Fig. 5 is a gas holder structural representation of the present invention
Fig. 6 is a methane hydrate phasor of the present invention
The drawing explanation
1-compressor 2-exchange of seawater device 3-gas holder
4-gas storage storehouse 5-insulation chambers wall 6-centrifugal pump
7-perforated tube 8-demister 9-gaseous propane transports pipe
10-hydraulic barrier 11-gas service pipes 12-(or heat supply) system of freezing
Elaborate content of the present invention below in conjunction with the drawings and specific embodiments, should be appreciated that the present invention is not limited to following preferred implementation, preferred implementation is as just illustrative embodiment of the present invention.
Embodiment
With reference to figure 1 and 3, the enforcement of present embodiment method is a kind ofly to be used for natural gas synthesized hydrate, storage and to transport incorporate barge (vertical or horizontal type structure) at a distance and carry out what the inventor provided, this barge comprises: a refrigeration system or heating system 12, gas storage storehouse 4 and the gas service pipes 11 made by double-deck insulation chambers wall; Wherein charge into the liquid petroleum gas (liquid propane gas) refrigeration agent in the gas storage storehouse 4; The insulation chambers wall in gas storage storehouse 4 is communicated with a gaseous propane and transports pipe 9 and be communicated with a refrigeration system or heating system 12, in this gas storage storehouse 4 gas holder 3 is set, the tank body that described gas holder 3 is made by seamless steel pipe, the perforated tube 7 that diameter is made for the 5-50mm steel pipe, at the bottom of being gone into jar by the jar mouthful straight cutting of gas holder 3, the jar of gas holder 3 mouthful is communicated with on gas service pipes 11 by the perforated tube sealing.Wherein the percent opening of institute's perforate is 5-95% on the perforated tube 7, and the aperture is 1-10mm, and length equates with the gas holder inner chamber.Described gas holder 3 tank diameters are 300 or 500mm, and the about 1-20mm of wall thickness, gas holder height (or length) are that the seamless steel pipe of 1-500 rice is made.7 hydraulic barriers 10 are set in gas storage storehouse 4, space between per two hydraulic barriers 10 forms a gas storage storehouse, 3 gas holder 3 all can be set in each gas storage storehouse, and described gas holder 3 is set to vertical or horizontal (horizontal type structure is with reference to figure 2 and Fig. 4) in gas storage storehouse 4.
Described refrigeration system or heating system 12 comprise compressor 1, seawater heat exchanger 2, centrifugal pump 6 and motor, and wherein compressor 1, seawater heat exchanger 2 and centrifugal pump 6 are together in series in order, and motor and compressor 1 electrically connect; Refrigeration system is made refrigeration agent with liquid petroleum gas (liquid propane gas), but is not limited in liquid petroleum gas (liquid propane gas), also can select other suitable refrigeration agents for use, as liquefied ammonia etc.
With reference to figure 5, be provided with perforated tube 7 in the gas holder 3 that present embodiment uses, place, perforated tube 7 gateways is provided with demister 8, be distributed with the dozens of pore on the perforated tube tube wall, demister 8 both sides are provided with flange, demister 8 is fixed on the gas inlet-outlet place of described perforated tube 7 by flange, is provided with demister 8 and is used for removing the moisture that rock gas carries.
Use above-mentioned system implementation collection of the present invention to prepare gas hydrates, accumulating rock gas and distribute incorporate method, a kind of concrete implementation step:
1. the rock gas of the 70atm that will be sent here by the natural gas extraction platform at sea at first feeds the methane compressor 1 of said system, is compressed to 100atm, be cooled to 5 ℃ then after, feed gas holder 3 through perforated tube 7.Meanwhile, the fresh water that will be about 17: 3 with the mol ratio of rock gas is squeezed in the gas holder 3 by water pump, in barge gas storage storehouse 4, with 3atm ,-15 ℃ liquid petroleum gas (liquid propane gas) is refrigeration agent, with conversion of natural gas be gradually 100atm, 15 ℃ (as seen by the methane hydrate phasor, the formation temperature of methane hydrate is 15 ℃ under the 100atm, gas hydrates as shown in Figure 6).
2. refrigeration agent (liquid petroleum gas (liquid propane gas)) is fed 4 bottoms, gas storage storehouse, its effect is that the mixture with natural G﹠Ws in the gas holder 3 is controlled at about 15 ℃ (temperature that balance each other of namely for methane hydrate) all the time, thereby makes natural G﹠W change into solid-state gas hydrates.Carrying out along with process of refrigerastion, liquid petroleum gas (liquid propane gas) in the gas storage storehouse 4 will constantly gasify, 4 interior hydraulic barriers 10 leave gas storage storehouse 4 to the gaseous propane that generates along the gas storage storehouse, enter propane compressor 1, be depressed into 9atm, 38 ℃ gaseous propane, enter seawater heat exchanger 2 then, after the seawater condensation, become 3atm ,-15 ℃ liquid petroleum gas (liquid propane gas), reenter gas storage storehouse 4, as refrigeration agent.
3. as the natural gas storage amount upper limit (1m near barge
3Can store 164m in the hydrate
3Rock gas and 0.8m
3Fresh water) time, this barge is directly delivered to city or the integrated mill that uses rock gas, continue to carry out the filling task by new barge; Perhaps Man Zai barge rests in and makes land used, replaces metropolitan high pressure sphere tank, the storage rock gas.At this moment, in the gap of gas holder, only need general propane refrigeration; Temperature maintenance is got final product about 0-5 ℃;
4. in the time need in barge, shifting out the rock gas that stores in the gas storage storehouse, then this storehouse is changed into heat supply by refrigeration and (whenever obtain 1m
3Rock gas need provide the heat of 400kcal approximately), by valve regulated, make the rock gas that dissolved with 100atm, 15 ℃ state, after the demister foam removal, export rock gas;
The step of another kind of specific implementation method:
1. the rock gas of the 70atm that will be sent here by the natural gas extraction platform at sea at first feeds the methane compressor 1 of said system, is compressed to 100atm; After being cooled to 5 ℃ then, feed gas holder 3 through perforated tube 7.Meanwhile, the fresh water that will be about 20: 1 or 50: 1 with the mol ratio of rock gas is squeezed in the gas holder 3 by water pump, in barge gas storage storehouse 4, with 3atm ,-15 ℃ liquid petroleum gas (liquid propane gas) is refrigeration agent, with conversion of natural gas be gradually 100atm, 15 ℃ (as seen by the methane hydrate phasor, the formation temperature of methane hydrate is 15 ℃ under the 100atm, gas hydrates as shown in Figure 6).The import of its compressor and the compression ratio of outlet can be 1: 1.2-1: 5.
2. refrigeration agent (liquid petroleum gas (liquid propane gas)) is fed 4 bottoms, gas storage storehouse, its effect is that the mixture with natural G﹠Ws in the gas holder 3 is controlled at about 15 ℃ (temperature that balance each other of namely for methane hydrate) all the time, thereby makes natural G﹠W change into solid-state gas hydrates.Carrying out along with process of refrigerastion, liquid petroleum gas (liquid propane gas) in the gas storage storehouse 4 will constantly gasify, 4 interior hydraulic barriers 10 leave gas storage storehouse 4 to the gaseous propane that generates along the gas storage storehouse, enter propane compressor 1, be depressed into 9atm, 38 ℃ gaseous propane, enter seawater heat exchanger 2 then, after the seawater condensation, become 3atm ,-15 ℃ liquid petroleum gas (liquid propane gas), reenter gas storage storehouse 4, as refrigeration agent.
3. as the natural gas storage amount upper limit (1m near barge
3Can store 164m in the hydrate
3Rock gas and 0.8m
3Fresh water) time, this barge is directly delivered to city or the integrated mill that uses rock gas, continue to carry out the filling task by new barge; Perhaps Man Zai barge rests in and makes land used, replaces metropolitan high pressure sphere tank, the storage rock gas.At this moment, in the gap of gas holder, only need general propane refrigeration, temperature maintenance is got final product about 0-5 ℃;
4. in the time need in barge, shifting out the rock gas that stores in the gas storage storehouse, then this storehouse is changed into heat supply by refrigeration and (whenever obtain 1m
3Rock gas need provide the heat of 400kcal approximately), by valve regulated, make the rock gas that dissolved with 100atm, 15 ℃ state, after the demister foam removal, export;
5. the rock gas that obtains can directly load into it vapour vehicle CNG steel cylinder of 100atm, maybe it can be converted into gas hydrates once more, and the branch tinning of gas hydrates is provided to the user.In addition, arrival makes the rock gas accumulating barge of land used can also replace high pressure sphere tank, uses as natural gas storage tank, deposits the rock gas of supplying with city or user's use with the form of hydrate.
Although describe the present invention in conjunction with the preferred embodiments, but the present invention is not limited to the foregoing description and accompanying drawing, should be appreciated that, under the guiding of the present invention's design, those skilled in the art can carry out various modifications and improvement, and claims have been summarized scope of the present invention.
Claims (5)
1. a collection prepares gas hydrates, accumulating rock gas and distributes incorporate method, may further comprise the steps:
1) at first prepares gas hydrates: in the preparation gas hydrates system that forms by seawater heat exchanger, motor, propane gas compressor, the gas holder that is provided with perforated tube and centrifugal pump, carry out, rock gas is fed compressor compresses to predetermined pressure; After general's rock gas after compression is cooled to predetermined temperature again, cooled compressed natural gas is sent in the gas holder, to be 100 with the mol ratio of rock gas simultaneously: 1-10: 1 fresh water be squeezed in the gas holder by centrifugal pump, utilize the refrigeration agent refrigeration again, with the conversion of natural gas in the gas holder is gas hydrates, and is stored in the gas holder in the system;
2) when needs use rock gas, heat supply is carried out in the gas storage storehouse of the gas hydrates that step 1) is obtained, and its heating load is whenever to obtain 1m
3Rock gas need provide the heat of 200-2000kcal to dissolve gas hydrates, removes the moisture in the rock gas, distributes and obtain rock gas output;
3) or when needing the transport by sea rock gas, at first with above-mentioned steps 1) store the natural gas hydrate gas storage jar, the rock gas accumulating barge that the natural gas hydrate gas storage jar will be installed with towboat drags toward the destination; Repeating step 2 again) rock gas output is distributed; Perhaps make the rock gas accumulating barge of land used replace high pressure sphere tank, use, deposit the rock gas of supplying with city or user's use with the form of hydrate as natural gas storage tank with arrival.
2. prepare gas hydrates, accumulating rock gas and distribute incorporate method by the described collection of claim 1, it is characterized in that: the temperature of described predetermined cooling determines that according to actual conditions cryogenic temperature hangs down 5-25 ℃ than the temperature that balances each other of gas hydrates usually.
3. prepare gas hydrates, accumulating rock gas and distribute incorporate method by the described collection of claim 1, it is characterized in that: also comprise the vapour vehicle CNG steel cylinder that the natural gas straight tipping that obtains is filled into 100atm, or it is converted into gas hydrates once more, the branch tinning of gas hydrates is provided to the user, or in gas hydrates are changed the outfit Bunker on some large ships from barge, use as power.
4. prepare gas hydrates, accumulating rock gas and distribute incorporate method by the described collection of claim 1, it is characterized in that: also be included in the barge that will store gas hydrates and drag in the process of destination with towboat with towboat, need to adopt propane refrigeration in the gap of gas holder, the cryogenic temperature of this moment only need maintain than the temperature that balances each other of gas hydrates and hang down 5-15 ℃.
5. prepare gas hydrates, accumulating rock gas and distribute incorporate method by the described collection of claim 1, it is characterized in that: employed refrigeration agent and concrete cryogenic temperature are determined according to actual conditions in the described step 1), and the cryogenic temperature of selecting hangs down 5-25 ℃ than the temperature that balances each other of gas hydrates usually.
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| CN 200410086314 CN1690503A (en) | 2004-04-21 | 2004-10-22 | Integrated process for natural gas hydrate preparation, natural gas storage, transportation and distribution |
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| CN200410033959 | 2004-04-21 | ||
| CN200410033959.1 | 2004-04-21 | ||
| CN 200410086314 CN1690503A (en) | 2004-04-21 | 2004-10-22 | Integrated process for natural gas hydrate preparation, natural gas storage, transportation and distribution |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411132A (en) * | 2013-07-10 | 2013-11-27 | 中国市政工程华北设计研究总院 | Process and system for natural gas storage and peak shaving by means of hydrate method |
| CN103879516B (en) * | 2014-03-03 | 2017-07-28 | 浙江海洋学院 | Free-standing liquefied gas carrier |
| CN107074326A (en) * | 2014-11-27 | 2017-08-18 | 韩国海洋科学技术院 | The gas hydrates tank container Load System of power line and the connection automation of boil-off gas pipe arrangement can be realized |
| CN108758322A (en) * | 2018-05-24 | 2018-11-06 | 燕山大学 | The hydrate state underground storage system of natural gas |
| CN112221432A (en) * | 2020-09-25 | 2021-01-15 | 河南理工大学 | Hydrate generating, storing and transporting integrated device |
| CN113557197A (en) * | 2019-06-14 | 2021-10-26 | 韩国海洋科学技术院 | System for supplying fuel, replacing ballast water and supplying clean water in minimum ballast water ship by using natural gas hydrate |
| CN115899559A (en) * | 2022-11-04 | 2023-04-04 | 哈尔滨工程大学 | Method and device for solidifying, storing and transporting original natural gas in deep and far sea by hydrate method |
-
2004
- 2004-10-22 CN CN 200410086314 patent/CN1690503A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411132A (en) * | 2013-07-10 | 2013-11-27 | 中国市政工程华北设计研究总院 | Process and system for natural gas storage and peak shaving by means of hydrate method |
| CN103879516B (en) * | 2014-03-03 | 2017-07-28 | 浙江海洋学院 | Free-standing liquefied gas carrier |
| CN107074326A (en) * | 2014-11-27 | 2017-08-18 | 韩国海洋科学技术院 | The gas hydrates tank container Load System of power line and the connection automation of boil-off gas pipe arrangement can be realized |
| CN107074326B (en) * | 2014-11-27 | 2018-06-22 | 韩国海洋科学技术院 | Gas hydrates tank container Load System, transportation resources and ships that transport |
| CN108758322A (en) * | 2018-05-24 | 2018-11-06 | 燕山大学 | The hydrate state underground storage system of natural gas |
| CN113557197A (en) * | 2019-06-14 | 2021-10-26 | 韩国海洋科学技术院 | System for supplying fuel, replacing ballast water and supplying clean water in minimum ballast water ship by using natural gas hydrate |
| CN112221432A (en) * | 2020-09-25 | 2021-01-15 | 河南理工大学 | Hydrate generating, storing and transporting integrated device |
| CN112221432B (en) * | 2020-09-25 | 2022-11-22 | 河南理工大学 | Hydrate generating, storing and transporting integrated device |
| CN115899559A (en) * | 2022-11-04 | 2023-04-04 | 哈尔滨工程大学 | Method and device for solidifying, storing and transporting original natural gas in deep and far sea by hydrate method |
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