CN204240043U - A kind of filling liquefied natural gas (LNG) tank peculiar to vessel - Google Patents
A kind of filling liquefied natural gas (LNG) tank peculiar to vessel Download PDFInfo
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- CN204240043U CN204240043U CN201420639980.5U CN201420639980U CN204240043U CN 204240043 U CN204240043 U CN 204240043U CN 201420639980 U CN201420639980 U CN 201420639980U CN 204240043 U CN204240043 U CN 204240043U
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Abstract
The utility model relates to a kind of filling liquefied natural gas (LNG) tank peculiar to vessel, the tank body comprising saddle and arrange on the saddle, this tank body is made up of shell and the inner container arranged in the enclosure, support system is provided with between the outer wall of described inner container and the inwall of shell, this support system comprises the fixed support be arranged between tank body pipe-line system one end inner container outer wall and outer casing inner wall, the sliding support between tank body the other end inner container outer wall and outer casing inner wall and be positioned at the horizontally-arranged suspender belt of described fixed support side.To ensure that storage tank will make inner container relatively rotate in running because of vibration, and can also prevent inner container from can not damage inner container because of shrinkage in filling process.
Description
Technical field
The utility model relates to a kind of natural gas storage tank, especially a kind of filling liquefied natural gas (LNG) tank peculiar to vessel.
Background technique
Along with the fast development of national economy, the raising of living standards of the people and the frequent of mankind's activity, the environment of human survival is also subject to severe challenge day by day, and the word such as " pollution of atmosphere ", " haze ", " PM2.5 " is our frequent what is seen and heard.The present whole world, national people are being protection of the environment and constantly effort; and as our the daily seen traffic tool; as car and boat etc., because fuel is traditional energy-gasoline and diesel oil, this class A fuel A is then one of important pushing hands of PM2.5; therefore; for reducing environmental pollution, improve atmospheric mass, the LNG traffic tool are all being carried out energetically in increasing city now; boats and ships as operation waterborne also affect by it, are also closelying follow paces.Increasing Shipping enterprise, is also carrying out " oil to gas " engineering, or is building novel rock gas powered ship now.Simultaneously, State-level is also in " oil to gas " engineering for promoting boats and ships, put into effect a lot of incentive policy, " inland river ship type standardization subsidy capital management way " that " " 12 " water transport energy-saving and emission-reduction totally advance embodiment ", " advancing the instruction of water transport project application LNG Liquefied natural gas " of issuing as Department of Transportation and the recently Department of Treasury and Department of Transportation issue jointly etc. are all the acceleration application for encouraging novel water transportation to transport.
For the development that adapts to the situation, as the manufacturer of gas fuel storage tank, also according to situation, release LNG reservoir vessel---the LNG ship storage tank being adapted to boats and ships.LNG Liquefied natural gas (LNG) storage tank for ship is the one of liquefied natural gas storage vessel, and it manufactures and designs except meeting the conventional NBS of existing storage tank, also needs to meet the code requirement that supervision of ships unit works out.
Liquefied natural gas (LNG) tank kind peculiar to vessel is also more, from the viewpoint of large, mainly contains rock gas powered ship storage tank for ship, with storage tank for ship of buying wholesale of annotating.For filling landing stage storage tank, mainly as the storage vessel of fuel, to give the use of rock gas powered ship storage tank aerating.Along with LNG Liquefied natural gas (LNG) is more and more higher as the cry of marine fuel, its technical development is also more and more subject to the attention of industry.LNG powered ship will become the new direction that shipbuilding industry develops later, by adopting LNG partially or completely diesel oil substitute fuel, reaches the dual purpose of saving fuel oil and reducing pollutant discharge amount.
Since first LNG-diesel hybrid boats and ships in 2010 successfully shake down, many enterprises have been had to participate in boats and ships " oil to gas " successively.According to measuring and calculating, use LNG clean energy resource than using diesel oil and can save 30% ~ 55% expense, significantly reduce Shipping operation cost of enterprises.Promote along with " oil to gas " accelerates, LNG demand will significantly increase.There is part pilot ship to exist although existing, but as the storage tank of fuel, its filling is a difficult problem, the mode aerating changed LNG tank or adopt filling vehicle can only be taked at present, general two weeks needs replacing gas holder, just as family changes gas-tank, but change time risk higher, operate also very complicated.
Model utility content
The purpose of this utility model is the defect in order to solve in prior art existing for LNG fuel reservoir, provides one to prevent inner container from rotating, the filling liquefied natural gas (LNG) tank peculiar to vessel of compact structure.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of filling liquefied natural gas (LNG) tank peculiar to vessel, the tank body comprising saddle and arrange on the saddle, this tank body is made up of shell and the inner container arranged in the enclosure, support system is provided with between the outer wall of described inner container and the inwall of shell, this support system comprises the fixed support be arranged between tank body pipe-line system one end inner container outer wall and outer casing inner wall, the sliding support between tank body the other end inner container outer wall and outer casing inner wall and be positioned at the horizontally-arranged suspender belt of described fixed support side.
Above-mentioned one is annotated liquefied natural gas (LNG) tank peculiar to vessel, described liquefied natural gas (LNG) tank also comprises the pipe-line system be connected with inner container, this pipe-line system comprises the top liquid inlet pipe, bottom liquid inlet pipe, drain pipe, gas-liquid equilibrium pipe, gas tube, spill pipe, level meter gas phase pipe, the level meter liquid-phase tube that are connected with inner container, each pipeline of pipe-line system is drawn from shell end socket one end, and top liquid inlet pipe, bottom liquid inlet pipe, drain pipe, gas-liquid equilibrium pipe are equipped with hand stop valve and pneumatic emergency cut-off valve; Gas tube is connected to safety valve, Pneumatic emptying valve, manual vent valve and BOG Gas recovery valve; Level meter gas phase pipe, level meter liquid-phase tube are two covers, to being externally connected with on-the-spot liquid level and pressure measurement, and three cover remote liquid level interfaces; Overflow adapter adopts temperature to monitor, with Real-Time Monitoring storage tank full state.
Above-mentioned one is annotated liquefied natural gas (LNG) tank peculiar to vessel, is provided with temperature-measuring element, monitors in real time to medium temperature in described inner container.
Above-mentioned one is annotated liquefied natural gas (LNG) tank peculiar to vessel, the end of described pipe-line system is provided with an airtight ice chest, exhaust outlet is provided with in the upper end of ice chest, the lower end of ice chest is provided with intake grill, temperature and liquid level sensor is provided with bottom ice chest, at top, combustible gas detector is housed, is provided with the hand-hole of easy access personnel turnover in the side of ice chest.
Above-mentioned one is annotated liquefied natural gas (LNG) tank peculiar to vessel, is also provided with vacuum pumping device between described shell and inner container.
Above-mentioned one is annotated liquefied natural gas (LNG) tank peculiar to vessel, and inner container and shell all adopt stainless-steel sheet material to make, and the interlayer between stainless-steel sheet is the heat insulation layer adopting vacuum-powders insulation mode.
The beneficial effects of the utility model are:
1. compact structure, beautiful shape, all pipeline operating ends are all located in an airtight ice chest, compact, reliable;
2. be provided with support system between the outer wall of inner container and the inwall of shell, fixed support between tank body pipe-line system one end inner container outer wall and outer casing inner wall, sliding support between tank body the other end inner container outer wall and outer casing inner wall, to ensure that storage tank will make inner container relatively rotate in running because of vibration, and can also prevent inner container from can not damage inner container because of shrinkage in filling process;
2. safe and reliable, all valves are all located in a sealing ice chest, casing adopts Austenitic Stainless Steel to make, pneumatic emergency cut-off valve is provided with in liquid in-out valve and primary gas line, can quick and conveniently operate, Security is high, simultaneously, the inflammable gas device, temperature measuring equipment, liquid level emasuring device etc. of anti-leak is provided with, with security monitoring box house situation in seal case;
4. transport is quick for installation, and install because associated reservoir and ice chest, valve member etc. concentrate in factory, compact structure, site operation amount is little, energy fast and easy handling etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is sectional view of the present utility model.
Embodiment
Further understand for making to have structure characteristic of the present utility model and effect of reaching and be familiar with, coordinate detailed description in order to preferred embodiment and accompanying drawing, be described as follows:
As shown in Figure 1 and Figure 2, the tank body 2 that a kind of liquefied natural gas (LNG) tank peculiar to vessel of annotating comprises saddle 1 and arranges on the saddle, the two layered cylinder wall construction that this tank body 2 is made up of a stainless-steel vacuum shell 3 and a pressurized container be placed in one 4, built-in pressurized container 4 (abbreviation inner container) is main pressure restraining element, shell 3 is cool-bag, bears external pressure; Inner container 4 and shell 3 all adopt stainless-steel sheet material to make, and interlayer is heat insulation layer, adopt vacuum-powders insulation mode, and are provided with low temperature and normal temperature adsorbent equipment.In order to ensure sealing effect between shell 3 and inner container 4 and degree of vacuum, between shell 3 and inner container 4, be also provided with vacuum pumping device 11.
Arrange the support system be provided with between shell 3 and inner container 4 rationally to be fixed by inner container 4, the design of support system can be born landing stage in water, be rocked produced load.Support system adopts radial composite supporting structure, close valve, instrument one end are fixed support 5, the other end adopts sliding support 6, to ensure that storage tank will make inner container relatively rotate in running because of vibration, and can also prevent inner container 4 from can not damage inner container 4 because of shrinkage in filling process, and fixed end arranges horizontally-arranged suspender belt 7 assists fixing.Liquefied natural gas (LNG) tank also comprises the pipe-line system 8 be connected with inner container, this pipe-line system 8 includes top liquid inlet pipe, bottom liquid inlet pipe, drain pipe, gas-liquid equilibrium pipe, gas tube, spill pipe, level meter gas phase pipe, level meter liquid-phase tube etc., be provided with temperature-measuring element 9 in inner container 4, in real time medium temperature monitored.
Top liquid inlet pipe, bottom liquid inlet pipe, drain pipe, gas-liquid equilibrium pipe, gas tube, spill pipe, level meter gas phase pipe, level meter liquid-phase tube etc. are all connected with inner container, operate with medium, all adapters are drawn from shell end socket one end, and top liquid inlet pipe, bottom liquid inlet pipe, drain pipe, gas-liquid equilibrium pipe are equipped with hand stop valve and pneumatic emergency cut-off valve; Gas tube is connected to safety valve, Pneumatic emptying valve, manual vent valve and BOG Gas recovery valve etc.; Level meter gas phase and liquid-phase tube are two overlapping, to being externally connected with on-the-spot liquid level and pressure measurement, and three cover remote liquid level interfaces etc.; Overflow adapter adopts temperature to monitor, with Real-Time Monitoring storage tank full state; Temperature-measuring element is loaded in inner container, monitors in real time to medium temperature.
For preventing may leaking of exterior line and valve member, be provided with an airtight ice chest 10 at pipe-line system 8 end, for the protection of hull, this ice chest 10 adopts austenite stainless steel making, and whether ice chest simultaneously, need carry out air-leakage test, have leak source to exist to detect.Meanwhile, be Real-Time Monitoring ice chest 10 inner case, be provided with exhaust outlet in the upper end of ice chest 10, the lower end of ice chest is provided with intake grill, bottom ice chest, be provided with temperature and liquid level sensor, at top, combustible gas detector etc. be housed, whether have cryogenic media leakage etc. to detect inside.Meanwhile, enter and exit ice chest for convenience, be provided with on ice chest side and enter and exit manhole, facilitate personnel to enter to carry out and operate or maintenance etc.
This filling liquefied natural gas (LNG) tank compact structure peculiar to vessel, beautiful shape, all pipeline operating ends are all located in an airtight ice chest, compact, reliable; Support system is provided with between the outer wall of inner container and the inwall of shell, fixed support between tank body pipe-line system one end inner container outer wall and outer casing inner wall, sliding support between tank body the other end inner container outer wall and outer casing inner wall, to ensure that storage tank will make inner container relatively rotate in running because of vibration, and can also prevent inner container from can not damage inner container because of shrinkage in filling process; Safe and reliable, all valves are all located in a sealing ice chest, casing adopts Austenitic Stainless Steel to make, pneumatic emergency cut-off valve is provided with in liquid in-out valve and primary gas line, can quick and conveniently operate, Security is high, simultaneously, the inflammable gas device, temperature measuring equipment, liquid level emasuring device etc. of anti-leak is provided with, with security monitoring box house situation in seal case; Transport quick for installation, install because associated reservoir and ice chest, valve member etc. concentrate in factory, compact structure, site operation amount is little, energy fast and easy handling etc.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and specification; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (6)
1. a filling liquefied natural gas (LNG) tank peculiar to vessel, the tank body comprising saddle and arrange on the saddle, this tank body is made up of shell and the inner container arranged in the enclosure, it is characterized in that, support system is provided with between the outer wall of described inner container and the inwall of shell, this support system comprises the fixed support be arranged between tank body pipe-line system one end inner container outer wall and outer casing inner wall, the sliding support between tank body the other end inner container outer wall and outer casing inner wall and be positioned at the horizontally-arranged suspender belt of described fixed support side.
2. one filling according to claim 1 liquefied natural gas (LNG) tank peculiar to vessel, it is characterized in that, described liquefied natural gas (LNG) tank also comprises the pipe-line system be connected with inner container, this pipe-line system comprises the top liquid inlet pipe, bottom liquid inlet pipe, drain pipe, gas-liquid equilibrium pipe, gas tube, spill pipe, level meter gas phase pipe, the level meter liquid-phase tube that are connected with inner container, each pipeline of pipe-line system is drawn from shell end socket one end, and top liquid inlet pipe, bottom liquid inlet pipe, drain pipe, gas-liquid equilibrium pipe are equipped with hand stop valve and pneumatic emergency cut-off valve; Gas tube is connected to safety valve, Pneumatic emptying valve, manual vent valve and BOG Gas recovery valve; Level meter gas phase pipe, level meter liquid-phase tube are two covers, to being externally connected with on-the-spot liquid level and pressure measurement, and three cover remote liquid level interfaces; Overflow adapter adopts temperature to monitor, with Real-Time Monitoring storage tank full state.
3. one filling according to claim 2 liquefied natural gas (LNG) tank peculiar to vessel, is characterized in that, be provided with temperature-measuring element, monitor in real time to medium temperature in described inner container.
4. one filling according to claim 2 liquefied natural gas (LNG) tank peculiar to vessel, it is characterized in that, the end of described pipe-line system is provided with an airtight ice chest, exhaust outlet is provided with in the upper end of ice chest, the lower end of ice chest is provided with intake grill, bottom ice chest, be provided with temperature and liquid level sensor, at top, combustible gas detector be housed, be provided with the hand-hole of easy access personnel turnover in the side of ice chest.
5. one filling according to claim 1 liquefied natural gas (LNG) tank peculiar to vessel, is characterized in that, be also provided with vacuum pumping device between described shell and inner container.
6. one filling according to claim 1 liquefied natural gas (LNG) tank peculiar to vessel, it is characterized in that, inner container and shell all adopt stainless-steel sheet material to make, and the interlayer between stainless-steel sheet is the heat insulation layer adopting vacuum-powders insulation mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420639980.5U CN204240043U (en) | 2014-10-31 | 2014-10-31 | A kind of filling liquefied natural gas (LNG) tank peculiar to vessel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420639980.5U CN204240043U (en) | 2014-10-31 | 2014-10-31 | A kind of filling liquefied natural gas (LNG) tank peculiar to vessel |
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| CN204240043U true CN204240043U (en) | 2015-04-01 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351741A (en) * | 2015-10-12 | 2016-02-24 | 新兴能源装备股份有限公司 | Liquefied natural gas filling truck tank |
| CN107013803A (en) * | 2016-01-28 | 2017-08-04 | 张家港中集圣达因低温装备有限公司 | Ship and liquefied natural gas filling system peculiar to vessel |
| CN109386724A (en) * | 2017-08-11 | 2019-02-26 | 浙江大川空分设备有限公司 | Novel liquid level Structures at Low Temperature storage tank |
| WO2021128877A1 (en) * | 2019-12-27 | 2021-07-01 | 中车西安车辆有限公司 | Frozen liquefied gas tank container |
-
2014
- 2014-10-31 CN CN201420639980.5U patent/CN204240043U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351741A (en) * | 2015-10-12 | 2016-02-24 | 新兴能源装备股份有限公司 | Liquefied natural gas filling truck tank |
| CN107013803A (en) * | 2016-01-28 | 2017-08-04 | 张家港中集圣达因低温装备有限公司 | Ship and liquefied natural gas filling system peculiar to vessel |
| CN107013803B (en) * | 2016-01-28 | 2023-04-25 | 张家港中集圣达因低温装备有限公司 | Ship and liquefied natural gas filling system for ship |
| CN109386724A (en) * | 2017-08-11 | 2019-02-26 | 浙江大川空分设备有限公司 | Novel liquid level Structures at Low Temperature storage tank |
| CN109386724B (en) * | 2017-08-11 | 2024-04-02 | 浙江大川空分设备有限公司 | Liquid level structure low-temperature storage tank |
| WO2021128877A1 (en) * | 2019-12-27 | 2021-07-01 | 中车西安车辆有限公司 | Frozen liquefied gas tank container |
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