CN106168328A - A kind of removable LNG ship fuel tank case - Google Patents

A kind of removable LNG ship fuel tank case Download PDF

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Publication number
CN106168328A
CN106168328A CN201610529940.9A CN201610529940A CN106168328A CN 106168328 A CN106168328 A CN 106168328A CN 201610529940 A CN201610529940 A CN 201610529940A CN 106168328 A CN106168328 A CN 106168328A
Authority
CN
China
Prior art keywords
lng
fuel tank
tank body
temperature measuring
tank case
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.)
Pending
Application number
CN201610529940.9A
Other languages
Chinese (zh)
Inventor
杨鹏
毛海涛
刘延杰
张七斤
金维国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGXI OXYGEN PLANT CO Ltd
Original Assignee
JIANGXI OXYGEN PLANT CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIANGXI OXYGEN PLANT CO Ltd filed Critical JIANGXI OXYGEN PLANT CO Ltd
Priority to CN201610529940.9A priority Critical patent/CN106168328A/en
Publication of CN106168328A publication Critical patent/CN106168328A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C1/00Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C1/00Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/002Storage in barges or on ships
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/02Special adaptations of indicating, measuring, or monitoring equipment
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C5/00Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/02Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2221/00Handled fluid, in particular type of fluid
    • F17C2221/03Mixtures
    • F17C2221/032Hydrocarbons
    • F17C2221/033Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

A kind of removable LNG ship fuel tank case, including container standard framework, tank body, described tank body one end is provided with pipe-line system, pipe-line system includes air vent ready-packaged joint, safe venting system, gas phase mouth, self-supercharging device, turnover supply opening, described air vent ready-packaged joint, gas phase mouth, turnover supply opening are dismountable flange-interface, turnover supply opening is connected with the Luo Mansailige LNG liquid addition rifle that is connected by of LNG air supply system, being provided with temperature measuring equipment in described tank body, temperature measuring equipment connects PLC rack.Having that " filling " is convenient and swift, it is easy to maintenance to check, boats and ships space availability ratio is high feature, changing fixed storing tank is portable tank case, and in modify-water, filling is land filling.

Description

A kind of removable LNG ship fuel tank case
Technical field
The present invention relates to a kind of removable LNG ship fuel tank case.
Background technology
LNG Power Vessel fuel tank divides two kinds, and one is fixed, and another kind is portable, fixed fuel After tank fuel is finished, with LNG filling landing stage or LNG low-temperature tanker, it is filled again, but LNG filling landing stage investment is huge Greatly, thus it is difficult to layout in a large number inland river bank, needs to overcome it is true that LNG filling problem is not only China's popularization LNG ship oceangoing ship A difficult problem, be all a difficult problem urgently to be resolved hurrily in the extension process of World LNG, at present, Finland uses " LNG gas holder station ", Integration linkage is accomplished in storage, dispensing, logistics, carries out ship-to-ship aerating, but China prohibites and builds in the dykes and dams of inland river Gasholder station, therefore Finland's pattern is not suitable for China from an institutional perspective.On the other hand, the inland river flood low water level such as China the Changjiang river Drop is relatively big, and the natural gas after liquefying, it is necessary to using cryogenic piping transport, this cryogenic piping belongs to hard tube, the most ductile With flexible, if building filling station on the bank, in terms of pipeline connection, there is certain difficulty, and filling ship and filling station itself still can only pass through Automobile supplements the source of goods, there is certain potential safety hazard, and cost of transportation is the highest,
Present domestic almost all of LNG fuel tank peculiar to vessel, is all to use fixing pattern, and the basin of this fixed form is main There are following shortcomings,
1, dosing method is single, and due to the restriction of national policy, this kind of fixed LNG marine fuel basin can only use at present LNG filling waterborne landing stage fills, and due to above-mentioned reason, LNG filling waterborne landing stage is layouted few, thus serious shadow Ring the use of LNG fuels and energy ship.2, fill time length and there is potential safety hazard, when the fuel tank of 5 cubic metres fills Between need more than 1 hour, and due to needs mounting or dismounting filling tube, thus be susceptible to LNG leakage, that does not exaggerate says at fuel Tank uses in each link, and LNG filling is the most dangerous.
Summary of the invention
Its purpose of the present invention is that the offer removable LNG ship fuel tank case of one, has that " filling " is convenient and swift, examines Testing feature easy to maintenance, that boats and ships space availability ratio is high, changing fixed storing tank is portable tank case, and in modify-water, filling adds for land Note.
The technical scheme realizing above-mentioned purpose and take, including container standard framework, tank body, described tank body one end is provided with Pipe-line system, pipe-line system includes air vent ready-packaged joint, safe venting system, gas phase mouth, self-supercharging device, turnover feed flow Mouthful, described air vent ready-packaged joint, gas phase mouth, turnover supply opening are dismountable flange-interface, and turnover supply opening supplies with LNG The Luo Mansailige LNG liquid addition rifle that is connected by of system connects, and is provided with temperature measuring equipment in described tank body, and temperature measuring equipment connects PLC Cabinet.
Beneficial effect
Compared with prior art the present invention has the following advantages.
1, it is easier to along riverbank LNG filling point layout, invests less, particularly on Beijing-Hangzhou Grand Canal, due to river, canal Face is narrower, and a lot of sections are not appropriate for arranging that LNG fills landing stage, and use the LNG fuel tank case of this Novel removable, only Several these type of tank casees need to placed along quayside, riverbank, and just can carry out in one easy container crane installation of harbour configuration " filling " of LNG.
2, " filling " is convenient and swift, and tank case is as removable fuel tank, and it " fills " process is to be taken on board by wharf crane, After effectively fixing above deck, it is being connected with boats and ships air supply system,
Tank case and air supply system be connected by Luo Mansailige LNG liquid addition rifle, this kind of liquid feeding rifle is convenient to mount and dismount, and is difficult to leakage, After dismounting, there is latching valve at two ends, and in the pipe of two ends, NG or LNG of residual will not leak in air, and exhaust stack exit is equipped with soon Joint is to facilitate the connection of permeability cell total with boats and ships.The tank case meeting ISO series 1 can pass through international multimodal transport (highway, ferrum Road and water route through transport), it is transported in LNG Power Vessel way the harbour stopped in advance, recycling harbour shore tackle etc. is implemented to carry out shipment and is made Industry.Owing at transport and hoisting process, LNG is sealed in tank case, and ISO tank case is standard weights, and therefore this " fills " mistake Journey is convenient and swift.
3, to check easy to maintenance, tank case, as fuel tank, will meet related check peculiar to vessel and test requirements document, particularly interlayer Vacuum typically can only keep the time of about 5 years, needs to mend evacuation, according to the recycling link of tank case (i.e. after general 5 years " LNG fill-multimodal transport-shipment supply-slack tank return fortune "), can be by the inspection of fuel tank case and experiment work by land ring Joint is carried out, it is to avoid impacting the sailing date of boats and ships, additionally tank case care and maintenance can also be implemented by land link, Avoid aboard ship operating the restriction brought due to boats and ships narrow space.
4, boats and ships space availability ratio is high, the maximum advantage of tank container be exactly can mutual pile, when aboard ship arranging, It can make full use of the space in altitude above deck direction.20 feet according to the ISO standard and 40 feet of tank casees, its size is the most corresponding On container ship 1 or 2 container lots, without occupying other case bit spaces, the utilization rate that can make container lot is maximum Change.
5, fuel tank case inner pressurd vessel is mounted with a set of liquid-level switch, will carry out when liquid level is less than the 30% of total carrier fluid amount Reporting to the police, in order to shipowner makes appropriate arrangements the stroke of ship, this liquid-level switch is to utilize the temperature of certain some liquids and gases in detection tank Difference carries out level monitoring, it is understood that for the deep cooling refrigerated storage tank of this vacuum insulation mode, owing to pass The number of types of liquid level emasuring device of vacuum interlayer is difficult to use at this, only uses differential pressure type level gauge, but this kind of liquidometer Measurement error is relatively big, all the more so especially for multi-component LNG, it may be said that the most accurately to measure the deep of vacuum insulation mode The liquid level of cold refrigerated storage tank is 1 significant technology issues, and this fuel tank case trial thermometric mode solves problem above, owing to dissipating The deep cooling cryogenic liquid of the hot coefficient identical saturation temperature of difference thermometer measure and gas, its measured temperature has bigger difference Not (about 10 DEG C), if our ad-hoc location that point for measuring temperature is arranged in inner pressurd vessel, it is possible to utilize this temperature difference Accurately measuring liquid level, this fuel tank case is arranged on the position of inner pressurd vessel geometric volume 30% point for measuring temperature, when liquid level is less than being somebody's turn to do To report to the police during point, this temperature measuring equipment novel structure, temperature measuring equipment is changed convenient, and temperature measuring equipment sheath is mounted with corrugated tube, Not only ensure that the requirement of cold events but also considerably reduce conduction of heat.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of temperature measuring equipment in the present invention;
Fig. 3 is the annexation principle schematic of pipe-line system in the present invention;
Fig. 4 is the annexation principle schematic of pneumatic means control system in the present invention.
Detailed description of the invention
This device includes container standard framework 9, tank body 10, as it is shown in figure 1, described tank body 10 one end is provided with pipe-line system 8, pipe-line system 8 includes air vent ready-packaged joint 1, safe venting system 2, gas phase mouth 4, self-supercharging device 6, turnover supply opening 7, Described air vent ready-packaged joint 1, gas phase mouth 4, turnover supply opening 7 are dismountable flange-interface, and turnover supply opening 7 supplies with LNG The Luo Mansailige LNG liquid addition rifle that is connected by of gas system connects, and is provided with temperature measuring equipment 3 in described tank body 10, and temperature measuring equipment 3 is even Connect PLC rack.
Described temperature measuring equipment 3 includes temperature measuring head 11, metal bellows 12, temperature transmitter 13, as shown in Figure 2.
It is provided with catch tray 5 bottom described tank body 10.
Embodiment
This device includes container standard framework 9, tank body 10 and pipe-line system 8, this type LNG fuel tank and conventional LNG Fixed fuel is different, is a kind of novel removable fuel tank, after the fuel of fuel tank is finished, is not the most again to fill Fuel, but the tank case having filled fuel is replaced empty fuel tank case, this is a kind of brand-new LNG fuel supply System.
This tank cabinet frame 9 is connected with the fixing seat on ship, and connects firm, and this tank case is that the tank case of ISO series 1 can pass through International multimodal transport (highway, railway and water route through transport).
It is mounted with a set of temperature measuring equipment on fuel tank case inner pressurd vessel, will report when liquid level is less than the 30% of total carrier fluid amount Alert, in order to shipowner makes appropriate arrangements the stroke of ship.
The pipe-line system of tank case and air supply system be connected by Luo Mansailige LNG liquid addition rifle, this kind of liquid feeding rifle mounting or dismounting Convenient, it is difficult to leakage, after dismounting, there is latching valve at two ends, and in the pipe of two ends, NG or LNG of residual will not leak in air.
" filling " convenient and swift, tank case is as removable fuel tank, and it " fills " process is to be taken on board by wharf crane, After effectively fixing on deck, it is being connected with boats and ships air supply system.
The inspection of fuel tank case and experiment work can be carried out by land link, it is to avoid the sailing date of boats and ships is caused shadow Ringing, additionally tank case care and maintenance can also be implemented by land link, it is to avoid aboard ship operates due to boats and ships narrow space And the restriction brought.
Operation principle
As it is shown in figure 1, after the LNG of fuel tank is finished, boats and ships feed pipe is removed from the turnover supply opening 7 of fuel tank case, due to Supply opening is mounted with Luo Mansailige LNG liquid addition rifle, and after dismounting, there is latching valve at two ends, and in the pipe of two ends, NG or LNG of residual is not Can leak in air, remove air vent ready-packaged joint 1, remove trachea and connect power signal line, it is possible to changing LNG fuel Tank case, the LNG fuel tank case changed, fueling station is connected to corresponding LNG storage turnover supply opening 7 and gas phase mouth 4 by land On the mouth of pipe of tank, it is possible to fill LNG fuel tank case, the LNG fuel tank case newly changed, turnover supply opening 7 He Boats and ships supply air line is connected, and air vent ready-packaged joint 1 house steward that breathes freely with boats and ships is connected, trachea and power signal line and boats and ships On relevant interface connect after, open self-supercharging device 6, it is possible to engine of boat and ship supply.
As in figure 2 it is shown, start to consume LNG after the boats and ships air supply system connected, now the point for measuring temperature of temperature measuring equipment is in liquid Once, the increase consumed along with LNG, liquid level is gradually reduced, when liquid level is less than temperature measuring equipment point for measuring temperature, now at point for measuring temperature in face In LNG steam, temperature is undergone mutation, and carries out 30% liquid level warning after PLC computing.
As shown in Figure 3, Figure 4, for invention in pipe-line system and the annexation principle schematic of pneumatic means control system, The following table of labelling in figure.

Claims (3)

1. a removable LNG ship fuel tank case, including container standard framework (9), tank body (10), it is characterised in that institute Stating tank body (10) one end and be provided with pipe-line system (8), pipe-line system (8) includes air vent ready-packaged joint (1), safe venting system (2), gas phase mouth (4), self-supercharging device (6), turnover supply opening (7), described air vent ready-packaged joint (1), gas phase mouth (4), enter Going out supply opening (7) is dismountable flange-interface, and turnover supply opening (7) is connected by Luo Mansailige with LNG air supply system LNG liquid addition rifle connects, and is provided with temperature measuring equipment (3) in described tank body (10), and temperature measuring equipment (3) connects PLC rack.
One the most according to claim 1 may move LNG ship fuel tank case, it is characterised in that described temperature measuring equipment (3) Including temperature measuring head (11), metal bellows (12), temperature transmitter (13).
One the most according to claim 1 may move LNG ship fuel tank case, it is characterised in that described tank body (10) end Portion is provided with catch tray (5).
CN201610529940.9A 2016-07-07 2016-07-07 A kind of removable LNG ship fuel tank case Pending CN106168328A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610529940.9A CN106168328A (en) 2016-07-07 2016-07-07 A kind of removable LNG ship fuel tank case

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Application Number Priority Date Filing Date Title
CN201610529940.9A CN106168328A (en) 2016-07-07 2016-07-07 A kind of removable LNG ship fuel tank case

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CN106168328A true CN106168328A (en) 2016-11-30

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108167638A (en) * 2017-12-20 2018-06-15 查特深冷工程系统(常州)有限公司 Cryogenic liquid tank case peculiar to vessel and its operating method
CN108194835A (en) * 2018-02-08 2018-06-22 南通中集能源装备有限公司 LNG fuel air supply system peculiar to vessel
CN109733542A (en) * 2019-01-25 2019-05-10 太平洋海洋工程(舟山)有限公司 A kind of natural gas depot for FSRU
CN110817463A (en) * 2019-11-15 2020-02-21 张国兴 Multi-type intermodal transportation method for LNG tank container
CN112208712A (en) * 2020-10-20 2021-01-12 中国船舶工业集团公司第七0八研究所 Hoisting platform/ship on water for LNG fuel tank
CN114909600A (en) * 2022-05-10 2022-08-16 中海石油气电集团有限责任公司 LNG power ship storage and supply system with replaceable fuel tank
CN116146892A (en) * 2022-08-17 2023-05-23 成都中阳实业公司 High-precision detection device and method for liquid level of low-temperature storage tank

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CN201057357Y (en) * 2007-05-30 2008-05-07 天津市华迈燃气技术发展有限公司 Mobile liquefied natural gas gasifying and supplying plant
US20080184735A1 (en) * 2007-02-01 2008-08-07 Van Wijngaarden Wim Refrigerant storage in lng production
CN203488973U (en) * 2013-09-04 2014-03-19 安徽新捷天然气有限公司 Mobile liquid-adding bottle for LNG (liquefied Natural Gas)
CN203640865U (en) * 2013-11-28 2014-06-11 石家庄安瑞科气体机械有限公司 Moveable tank-type fuel supply system for LNG power-driven vessel
CN103867888A (en) * 2012-12-14 2014-06-18 江苏现代造船技术有限公司 Novel LNG gas-feeding integrated module device
CN103953850A (en) * 2014-05-09 2014-07-30 张家港市山牧新材料技术开发有限公司 LNG (liquefied natural gas) storage, transportation and supply integrated device
CN204717346U (en) * 2015-06-02 2015-10-21 江西制氧机有限公司 A kind of Marine vacuum powder isolation LNG basin fluid level control device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080184735A1 (en) * 2007-02-01 2008-08-07 Van Wijngaarden Wim Refrigerant storage in lng production
CN201057357Y (en) * 2007-05-30 2008-05-07 天津市华迈燃气技术发展有限公司 Mobile liquefied natural gas gasifying and supplying plant
CN103867888A (en) * 2012-12-14 2014-06-18 江苏现代造船技术有限公司 Novel LNG gas-feeding integrated module device
CN203488973U (en) * 2013-09-04 2014-03-19 安徽新捷天然气有限公司 Mobile liquid-adding bottle for LNG (liquefied Natural Gas)
CN203640865U (en) * 2013-11-28 2014-06-11 石家庄安瑞科气体机械有限公司 Moveable tank-type fuel supply system for LNG power-driven vessel
CN103953850A (en) * 2014-05-09 2014-07-30 张家港市山牧新材料技术开发有限公司 LNG (liquefied natural gas) storage, transportation and supply integrated device
CN204717346U (en) * 2015-06-02 2015-10-21 江西制氧机有限公司 A kind of Marine vacuum powder isolation LNG basin fluid level control device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108167638A (en) * 2017-12-20 2018-06-15 查特深冷工程系统(常州)有限公司 Cryogenic liquid tank case peculiar to vessel and its operating method
CN108167638B (en) * 2017-12-20 2024-04-26 查特深冷工程系统(常州)有限公司 Marine cryogenic liquid tank and operation method thereof
CN108194835A (en) * 2018-02-08 2018-06-22 南通中集能源装备有限公司 LNG fuel air supply system peculiar to vessel
CN108194835B (en) * 2018-02-08 2024-04-16 南通中集能源装备有限公司 Marine LNG fuel gas supply system
CN109733542A (en) * 2019-01-25 2019-05-10 太平洋海洋工程(舟山)有限公司 A kind of natural gas depot for FSRU
CN110817463A (en) * 2019-11-15 2020-02-21 张国兴 Multi-type intermodal transportation method for LNG tank container
CN112208712A (en) * 2020-10-20 2021-01-12 中国船舶工业集团公司第七0八研究所 Hoisting platform/ship on water for LNG fuel tank
CN114909600A (en) * 2022-05-10 2022-08-16 中海石油气电集团有限责任公司 LNG power ship storage and supply system with replaceable fuel tank
CN116146892A (en) * 2022-08-17 2023-05-23 成都中阳实业公司 High-precision detection device and method for liquid level of low-temperature storage tank

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Application publication date: 20161130