CN107339604A - LNG loading systems and LNG filling ships - Google Patents
LNG loading systems and LNG filling ships Download PDFInfo
- Publication number
- CN107339604A CN107339604A CN201610283825.8A CN201610283825A CN107339604A CN 107339604 A CN107339604 A CN 107339604A CN 201610283825 A CN201610283825 A CN 201610283825A CN 107339604 A CN107339604 A CN 107339604A
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- China
- Prior art keywords
- lng
- loading systems
- storage tank
- lng loading
- tank
- 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.)
- Withdrawn
Links
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000002828 fuel tank Substances 0.000 claims abstract description 11
- 238000002309 gasification Methods 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 2
- 239000003949 liquefied natural gas Substances 0.000 description 77
- 239000007789 gas Substances 0.000 description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 16
- 239000003345 natural gas Substances 0.000 description 6
- 239000003502 gasoline Substances 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- -1 unleaded Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
-
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A kind of LNG loading systems and LNG fill ship, and it includes：Storage tank, for storing LNG, the mouth of pipe of the storage tank is all from Base top contact, meets astomous requirement below highest liquid level；Immersed pump, it is installed in the storage tank；Aerating unit, it is connected with the immersed pump, for filling LNG with gas container to outside LNG；And interface of unloading, for the storage tank to be docked with providing the tank car of LNG supplies.The present invention easily and reliably can provide LNG filling for the small gas cylinder on hydromotive equipment or small fuel tank, facilitate tank car to unload liquid.
Description
Technical field
The present invention relates to LNG loading systems, more particularly, to a kind of LNG loading systems being applied to as the small gas cylinder on hydromotive equipment or the filling of small fuel tank.
Background technology
LNG（Liquefied natural gas, liquefied natural gas）As emerging marine fuel, by low-carbon, environmental protection, economic dispatch advantage, wide prospect is gradually presented.The main component of liquefied natural gas is methane, and the atmospheric boiling point of methane is -162 DEG C, and critical-temperature is -84 DEG C, critical pressure 4.1MPa.LNG is the abbreviation of liquefied natural gas, and it is natural gas by purification（Dehydration, de- hydrocarbon, de- sour gas）Afterwards, methane is become liquid using the technique of throttling, expansion and additional low-temperature receiver refrigeration and formed.Natural gas its volume after liquefaction greatly reduces, about 0 DEG C, 1 atmospheric pressure when natural gas volume 1/600, that is to say, that 600 cubic metres of natural gases can be obtained after 1 cubic metre of LNG gasification.
LNG is a kind of energy cleaned very much, and colourless, tasteless, nontoxic and non-corrosiveness, LNG weight is only 45% or so of androgynous ponding.Include, but not limited to security reliability using the advantages of LNG：LNG burning-point is higher than gasoline 230 DEG C, higher than diesel oil, and its explosion limit is higher than gasoline 2.5~4.7 times, relative density is 0.47 or so, and gasoline is 0.7 or so, its lta, even if slightly leaking, will also volatilize rapidly diffusion, be unlikely to spontaneous combustion blast or formed to meet hot fried limting concentration；Clean environment firendly：As motor vehicle fuel, the comprehensive discharge amount than gasoline, diesel oil reduces about 85%, and the carcinogen such as unleaded, benzene, is substantially free of sulfide LNG.Economical and efficient：LNG storage cost is only the 1/70~1/6 of gaseous natural gas；Flexibly and easily：Aerating is equally convenient, fast with refueling；And economy：LNG reduces 20-25% than vapour/diesel transport cost, has good economic benefit.
At present, ship in ocean, big rivers it is more and more using LNG as the ship power energy, but it is difficult that can fill natural gas to LNG ship oceangoing ship, current gas station auxiliary facility ground zero waterborne, it is necessary that exploitation is applied to the LNG loading systems for the small gas cylinder on hydromotive equipment or the filling of small fuel tank in fact.
The content of the invention
The technical problems to be solved by the invention are to overcome the shortcomings of present in above-mentioned prior art, and propose a kind of LNG loading systems and LNG filling ship, LNG filling easily and reliably can be provided for the small gas cylinder on hydromotive equipment or small fuel tank, facilitate tank car to unload liquid.
The present invention proposes a kind of LNG loading systems for above-mentioned technical problem, and it includes：Storage tank, for storing LNG, the mouth of pipe of the storage tank is all from Base top contact, meets astomous requirement below highest liquid level；Immersed pump, it is installed in the storage tank；Aerating unit, it is connected with the immersed pump, for filling LNG with gas container to outside LNG；And interface of unloading, for the storage tank to be docked with providing the tank car of LNG supplies.
In certain embodiments, the enclosure material of the storage tank is carbon steel.
In certain embodiments, the LNG loading systems also include the booster of unloading being arranged between the storage tank and the interface of unloading, for aiding in LNG to inject the storage tank from tank car.
In certain embodiments, the LNG loading systems also include bottom framework, are fixed on the bottom of the front end of the storage tank, and the front end of the relative storage tank extends anteriorly out；The aerating unit is arranged on the bottom framework.（With from power）
In certain embodiments, the rear end of the bottom framework is fixedly connected with the saddle of the front end of the storage tank.
In certain embodiments, the front top of the storage tank is provided with inspection platform, the maintenance for immersed pump.
In certain embodiments, the LNG loading systems also include the mass flowmenter being arranged between the immersed pump and the aerating unit.
In certain embodiments, described outside LNG gas container refers to the small gas cylinder being installed on hydromotive equipment or small fuel tank.
In certain embodiments, described tank car be with liquid-unloading pump, or, described tank car is without liquid-unloading pump.
In certain embodiments, the LNG loading systems also include personal pipeline, for being supplied for personal equipment.
In certain embodiments, the LNG loading systems also include surge tank, for providing buffer storage to enter the gas of the personal pipeline.
In certain embodiments, described surge tank is BOG surge tanks.
In certain embodiments, the LNG loading systems also include recuperator, for being sent into the surge tank after LNG is heated into fully gasification.
The present invention also proposes a kind of LNG filling ship for above-mentioned technical problem, including hull be installed in LNG loading systems on the hull, as described above.
In certain embodiments, the hull can move, or, the hull is landing stage.
In certain embodiments, the LNG loading systems are installed in the cabin of the hull, or, the LNG loading systems are installed on the deck of the hull, or, the LNG loading systems are that part is installed in cabin and part is installed above deck.
Compared with prior art, LNG loading systems and LNG the filling ship of the present invention, by dexterously setting the storage tank built with immersed pump, aerating unit and interface of unloading, LNG filling easily and reliably can be provided for the small gas cylinder on hydromotive equipment or small fuel tank, facilitate tank car to unload liquid.
Brief description of the drawings
Fig. 1 is the stereochemical structure signal at a visual angle of the LNG loading systems of the present invention.
Fig. 2 is the stereochemical structure signal at another visual angle of the LNG loading systems of the present invention.
Wherein, description of reference numerals is as follows:The aerating unit 5 of 100 LNG loading systems, 1 storage tank, 3 bottom framework 4 pipe-line system 8 of interface 7 of unloading of booster 6 of unloading is used by oneself the bleeder pipe of 13 structural member of pipeline 9 surge tank, 10 recuperator, 11 inspection platform, 12 saddle 14.
Embodiment
Below in conjunction with the accompanying drawing of this specification, give presently preferred embodiments of the present invention further elaboration.
Referring to Fig. 1 and Fig. 2, Fig. 1 is the stereochemical structure signal at a visual angle of the LNG loading systems of the present invention.Fig. 2 is the stereochemical structure signal at another visual angle of the LNG loading systems of the present invention.The present invention proposes a kind of LNG filling ship, and it includes hull and the LNG loading systems 100 being installed on the hull.The hull both can be mobile ship or landing stage.
The LNG loading systems 100 include：Storage tank 1, for storing LNG, the mouth of pipe of the storage tank 1 is all from Base top contact, meets astomous requirement below highest liquid level；Two immersed pumps（It is not shown）, it is installed in the storage tank 1, the using and the reserved；Bottom framework 3, the bottom of the front end of the storage tank 1 is fixed on, and the front end of the relative storage tank 1 extends anteriorly out；Aerating unit 4, it is arranged on the bottom framework 3, is connected by pipe-line system 7 with the immersed pump, for outside LNG gas containers（Such as：The small gas cylinder or small fuel tank being installed on hydromotive equipment）Fill LNG；Unload booster 5, be connected with the storage tank 1, for LNG to be injected into the storage tank 1 from tank car；Unload interface 6, for the booster 5 of unloading to be docked with tank car；Personal pipeline 8, is arranged on the bottom framework 3, the personal equipment supply of generator, engine for filling ship for such as LNG etc；Surge tank 9, it is arranged on the bottom framework 3, for providing buffer storage to enter the gas of the personal pipeline 8；Recuperator 10, it is arranged on the bottom framework 3, for being sent into the surge tank 9 after LNG is heated into fully gasification；Inspection platform 11, the front top of the storage tank 1 is arranged on, corresponding to the top of immersed pump installation position, for safeguarding the immersed pump；And bleeder pipe 14, it is arranged on the rear end of the storage tank 1.
The LNG loading systems 100 can be installed in the cabin of the hull；Or the LNG loading systems 100 can be installed on the deck of the hull；Or the LNG loading systems 100 are that part is installed in cabin and part is installed above deck, such as：Storage tank 1 is installed belowdecks, and the installing of the grade of aerating unit 4 is above deck.The tank car coordinated with the LNG loading systems 100, both can be with liquid-unloading pump or without liquid-unloading pump.
In the present embodiment, the enclosure material of the storage tank 1 is carbon steel.The number of storage tank 1 is one.The rear end of the bottom framework 3 is fixedly connected with the saddle 12 of the front end of the storage tank 1.The middle part of the bottom framework 3 is fixedly connected with the front end of the storage tank 1 by structural member 13.The surge tank 9 is BOG surge tanks.The booster 5 of unloading is installed in the bottom of the storage tank 1, and positioned at the rear of the bottom framework 3.Immersed pump and aerating unit 4 have two sets.Two sets of aerating unit 4 is arranged in the front end both sides of the bottom framework 3, can externally fill LNG from both sides.
In other embodiments, the number of storage tank 1 can be multiple, such as：Two be arranged in juxtaposition, two immersed pumps, the using and the reserved are correspondingly arranged in each storage tank 1.The tricks of aerating unit 4 can be increased and decreased according to being actually needed, such as：Only set a set of.Booster 5 of unloading can be installed in other positions of the storage tank 1, such as：It is installed in the top of the storage tank 1.The bottom framework 3 can it is overall/partly save, such as：When the equipment such as aerating unit 4 are installed above deck, bottom framework 3 can be saved integrally, or, the rear end of bottom framework 3 need not be together with the secure bond of saddle 12 of storage tank 1.
In addition, the LNG loading systems 100 also include the mass flowmenter being arranged between the immersed pump and the aerating unit 4, necessary metering is provided for externally filling LNG.The LNG loading systems 100 also include surge tank, and valve instrument and electrical control gear etc. are necessary with being arranged facility.
The LNG loading systems 100 are compact-sized, and automaticity is high, and floor space is small, rationally distributed, and site operation amount is small, and immersed pump is built in storage tank 1, can save substantial amounts of pipeline, can substantially reduce EAG（Escape Air Gas, diffused gas）Evaporation.
For the LNG loading systems 100 by the way that immersed pump is arranged in storage tank 1, liquid squeezes into mass flowmenter by immersed pump, completes external liquid adding functions by aerating unit 4 after metering；Because immersed pump is built in storage tank 1, the pre-coo time of immersed pump can be saved, directly can externally be filled.Because the mouth of pipe of storage tank 1 is all from Base top contact, meet astomous design below highest liquid level, the shell of storage tank 1 can be made of carbon steel material, and need not make ice chest, can substantially reduce cost.
The LNG loading systems 100 can realize following functions：
1st, tank car is to the liquid feeding of storage tank 1：After tank car, which reaches, unloads liquid zone, liquid phase mouth, gas phase mouth and the boost port of tank car utilize soft pipe connection with liquid phase mouth, gas phase mouth and the boost port of interface 6 of unloading respectively, open corresponding valve, the LNG liquid of tank car enters booster 5 of unloading by being pressurized liquid phase mouth, gas returns to tank car after being come out from supercharging gas phase mouth, the supercharging work to tank car tank body itself is completed, tank car liquid valve is opened and storage tank 1 is carried out to unload liquid.
2nd, storage tank 1 fills to the small gas cylinder or small fuel tank that are installed on hydromotive equipment：Using the immersed pump being installed in storage tank 1, liquid squeezes into aerating unit 4 by immersed pump, has liquid feeding rifle and return-air to rob at aerating unit 4, and difference can connect with small gas cylinder, completes liquid feeding；If to small fuel tank liquid feeding, robbed without liquid feeding rifle and return-air, only can complete liquid feeding with liquid feeding flexible pipe or filling arm.
3rd, storage tank 1 is the personal equipment supply that such as LNG fills the generator of ship, engine etc：When personal equipment needs to use gas, the related valve on drain pipe line is opened, LNG liquid is after recuperator 10 fully gasification, into surge tank 9, is passed through after buffer-stored and enters personal equipment by personal pipeline 8, can complete the supply to equipment of using by oneself.
Compared with prior art, LNG loading systems and LNG the filling ship of the present invention, by dexterously setting the storage tank 1 built with immersed pump, aerating unit 4, unload booster 5 and interface 6 of unloading, LNG filling easily and reliably can be provided for the small gas cylinder on hydromotive equipment or small fuel tank, facilitate tank car to unload liquid；In addition, by setting recuperator 10, surge tank 9 and personal pipeline 8, the personal equipment that generator, the engine of ship etc can be filled convenient for such as LNG supplies.
The above is only presently preferred embodiments of the present invention; it is not intended to limit embodiment of the present invention; those of ordinary skill in the art are according to central scope and spirit of the invention; corresponding flexible or modification can be very easily carried out, therefore protection scope of the present invention should be defined by the protection domain required by claims.
Claims (16)
- A kind of 1. LNG loading systems, it is characterised in that：Including：Storage tank, for storing LNG, the mouth of pipe of the storage tank is all from Base top contact, meets astomous requirement below highest liquid level；Immersed pump, it is installed in the storage tank；Aerating unit, it is connected with the immersed pump, for filling LNG with gas container to outside LNG；And interface of unloading, for the storage tank to be docked with providing the tank car of LNG supplies.
- 2. according to the LNG loading systems described in claim 1, it is characterised in that the enclosure material of the storage tank is carbon steel.
- 3. according to the LNG loading systems described in claim 1, it is characterised in that the LNG loading systems also include the booster of unloading being arranged between the storage tank and the interface of unloading, for aiding in LNG to inject the storage tank from tank car.
- 4. according to the LNG loading systems described in claim 1, it is characterised in that the LNG loading systems also include bottom framework, are fixed on the bottom of the front end of the storage tank, and the front end of the relative storage tank extends anteriorly out；The aerating unit is arranged on the bottom framework.
- 5. according to the LNG loading systems described in claim 4, it is characterised in that the rear end of the bottom framework is fixedly connected with the saddle of the front end of the storage tank.
- 6. according to the LNG loading systems described in claim 1, it is characterised in that the front top of the storage tank is provided with inspection platform, the maintenance for immersed pump.
- 7. according to the LNG loading systems described in claim 1, it is characterised in that the LNG loading systems also include the mass flowmenter being arranged between the immersed pump and the aerating unit.
- 8. according to the LNG loading systems described in claim 1, it is characterised in that described outside LNG gas container refers to the small gas cylinder being installed on hydromotive equipment or small fuel tank.
- 9. according to the LNG loading systems described in claim 1, it is characterised in that described tank car be with liquid-unloading pump, or, described tank car is without liquid-unloading pump.
- 10. according to the LNG loading systems described in claim 1, it is characterised in that the LNG loading systems also include personal pipeline, for being supplied for personal equipment.
- 11. according to the LNG loading systems described in claim 10, it is characterised in that the LNG loading systems also include surge tank, for providing buffer storage to enter the gas of the personal pipeline.
- 12. according to the LNG loading systems described in claim 11, it is characterised in that described surge tank is BOG surge tanks.
- 13. according to the LNG loading systems described in claim 11, it is characterised in that the LNG loading systems also include recuperator, for being sent into the surge tank after LNG is heated into fully gasification.
- 14. a kind of LNG fills ship, including hull and the LNG loading systems that are installed on the hull, it is characterised in that the LNG loading systems are the LNG loading systems as described in any one of claim 1 to 13.
- 15. according to the LNG filling ships described in claim 14, it is characterised in that the hull can move, or, the hull is landing stage.
- 16. according to the LNG filling ships described in claim 14, it is characterized in that, the LNG loading systems are installed in the cabin of the hull, or, the LNG loading systems are installed on the deck of the hull, or the LNG loading systems are that part is installed in cabin and part is installed above deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610283825.8A CN107339604A (en) | 2016-05-03 | 2016-05-03 | LNG loading systems and LNG filling ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610283825.8A CN107339604A (en) | 2016-05-03 | 2016-05-03 | LNG loading systems and LNG filling ships |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107339604A true CN107339604A (en) | 2017-11-10 |
Family
ID=60222035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610283825.8A Withdrawn CN107339604A (en) | 2016-05-03 | 2016-05-03 | LNG loading systems and LNG filling ships |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107339604A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386709A (en) * | 2018-03-21 | 2018-08-10 | 武汉交圣新能源工程有限公司 | A kind of LNG fuel filling apparatus waterborne |
| CN112208711A (en) * | 2020-10-20 | 2021-01-12 | 中国船舶工业集团公司第七0八研究所 | Overwater hoisting platform/ship combining LNG liquid tank and LNG fuel tank box |
| KR20210034366A (en) * | 2019-09-20 | 2021-03-30 | 삼성중공업 주식회사 | Fuel tanks for vessel |
| WO2023134230A1 (en) * | 2022-04-27 | 2023-07-20 | 浙江海洋大学 | Efficient filling device for lng transport ship |
-
2016
- 2016-05-03 CN CN201610283825.8A patent/CN107339604A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386709A (en) * | 2018-03-21 | 2018-08-10 | 武汉交圣新能源工程有限公司 | A kind of LNG fuel filling apparatus waterborne |
| KR20210034366A (en) * | 2019-09-20 | 2021-03-30 | 삼성중공업 주식회사 | Fuel tanks for vessel |
| KR102653833B1 (en) * | 2019-09-20 | 2024-04-03 | 삼성중공업 주식회사 | Fuel tanks for vessel |
| CN112208711A (en) * | 2020-10-20 | 2021-01-12 | 中国船舶工业集团公司第七0八研究所 | Overwater hoisting platform/ship combining LNG liquid tank and LNG fuel tank box |
| WO2023134230A1 (en) * | 2022-04-27 | 2023-07-20 | 浙江海洋大学 | Efficient filling device for lng transport ship |
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Application publication date: 20171110 |
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| WW01 | Invention patent application withdrawn after publication |