CN103542252A - Filling device for LNG (Liquefied Natural Gas) - Google Patents
Filling device for LNG (Liquefied Natural Gas) Download PDFInfo
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- CN103542252A CN103542252A CN201310454496.5A CN201310454496A CN103542252A CN 103542252 A CN103542252 A CN 103542252A CN 201310454496 A CN201310454496 A CN 201310454496A CN 103542252 A CN103542252 A CN 103542252A
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Abstract
The invention discloses a filling device for LNG (Liquefied Natural Gas). The filling device comprises an LNG output system and an LNG input system, wherein the LNG output system is arranged on a filling boat; the LNG input system is arranged on a power boat; the LNG output system comprises a filling tank, a low-temperature pump, a controller, an output connector and an emergency switching-off valve I; the filling tank, the low-temperature pump, the emergency switching-off valve I and the output connector are connected in sequence; the controller is connected with the low-temperature pump; the LNG input system comprises a fuel tank, an input connector and an emergency switching-off valve II; the fuel tank is fixedly arranged on the power boat; the input connector, the emergency switching-off valve II and the fuel tank are connected in sequence. The filling device for the LNG is safe and reliable, high in filling efficiency, compact in structure and capable of being used repeatedly, saves the cost and is wide in application range.
Description
Technical field
The present invention relates to a kind of filling apparatus, especially relate to the filling apparatus on LNG filling ship, belong to technical field of ships.
Background technique
Rock gas, as a kind of clean, efficient gaseous fuel, due to its distinguishing feature at aspects such as environmetal impact, energy efficiencies, has become the important energy source of 21 development of world economy.The main component of rock gas is methane, under normal temperature, with gaseous form, exists.Under normal pressure, rock gas deep cooling, to-162 ℃, is made to LNG Liquefied natural gas (being LNG), rock gas is existed with liquid form, the volume of LNG is approximately 1/600 of gaseous state.Be applicable to transporting with car and boat.It is progressive that the development of LNG Liquefied natural gas (LNG) technology is accompanied by energy technology, cryogenic technique, material technology etc., because LNG can save storage and transportation space and cost greatly, and have that calorific value is large, performance high, thereby be widely used in the fields such as the transport facilitys such as automobile, boats and ships, aircraft and cold energy use.
China's LNG Liquefied natural gas should have much on inland navigation craft, the LNG powered ship that newly-built and reconstruction is used at present, and after transformation, boats and ships all cannot meet aerating demand.In domestic water, LNG filling website is less, and region, Grand Canal does not almost have filling station.Hope is annotated ship to newly-built LNG power ship and is transformed boats and ships and carry out liquid feeding by LNG.At present most widely used is that groove tank car is annotated (TTS) to ship, and tank car, by the entrucking of small-sized LNG terminal, transports LNG fuel to filling place and adopts flange docking form and filling gun to implement to annotate to LNG power ship.The shortcoming of TTS filling is that adding amount is little, and filling efficiency is low, and operation cost is high.
Summary of the invention
The object of the present invention is to provide a kind of manipulation simple in structure, easy, cost is low, efficiency is high LNG filling ship-to-ship (STS) filling apparatus.
The present invention is achieved by the following technical programs:
A filling apparatus of LNG, comprises LNG output system, LNG input system, and LNG output system is arranged on filling ship, and LNG input system is arranged on power ship, and LNG output system is flexibly connected with LNG input system;
LNG output system comprises filling tank, cryopump, controller, out splice going splice, Emergeny Cutoff Valves one; Filling tank is fixedly installed in the cabin of filling ship, is provided with return-air flange one, fills flange one on the shell of filling tank; The input end of cryopump is fixedly connected with filling flange one by steel pipe, and low temperature delivery side of pump is connected with one end of Emergeny Cutoff Valves one, and the other end of Emergeny Cutoff Valves one is connected with out splice going splice by air hose; Controller is connected with cryopump;
LNG input system comprises fuel pot, input adapter, Emergeny Cutoff Valves two; Fuel pot is fixedly installed on power ship, and the shell of fuel pot is provided with return-air flange two, fills flange two; Fill flange two-way and cross steel pipe and be fixedly connected with one end of Emergeny Cutoff Valves two, the other end of Emergeny Cutoff Valves two is provided with input adapter, between return-air flange two and return-air flange one, by return-air flexible pipe, is connected.
Object of the present invention can also further realize by following technical measures.
The filling apparatus of aforesaid a kind of LNG, the material of steel pipe is the wherein a kind of of 304L or 316L.
The filling apparatus of aforesaid a kind of LNG, out splice going splice is inipple male end, input adapter is the inipple female end matching with out splice going splice.
The filling apparatus of aforesaid a kind of LNG, input adapter is inipple male end, out splice going splice is the inipple female end matching with input adapter.
The filling apparatus of aforesaid a kind of LNG is provided with a Pull breaking ualve on air hose.
The present invention forms a closed-loop system by LNG output system and LNG input system, the present invention is suspended on ship taffrail or topside bulwark plating, out splice going splice is connected with input adapter, starting cryopump can be to the power ship LNG that annotates, easy to operate, pipeline of the present invention is connected with fuel pot with filling tank by flange, and good seal performance guarantees can not reveal; When LNG occurs to leak, can cut off respectively Emergeny Cutoff Valves one and Emergeny Cutoff Valves two, can cut off the filling of LNG, safe and reliable; When the large operation of wind or water surface wave cause pipeline fracture, Pull breaking ualve is thrown off automatically, cuts off charging line, and Leakage prevention is safe and reliable; When annotating to power ship after too much LNG, LNG can flow into filling tank by the flexible pipe that goes back, and prevents that unnecessary LNG from strengthening the internal pressure of fuel pot; The present invention annotates, and efficiency is high, compact structure, also reusable, cost-saving; The present invention not only can be used for LNG filling ship, also can be used for LNG aerating landing stage, and using scope is wide.
Advantage and disadvantage of the present invention, the non-limitative illustration by preferred embodiment below is for illustration and explanation, and these embodiments, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is layout schematic diagram of the present invention;
Fig. 2 is systematic schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, the present invention includes LNG output system 1, LNG input system 2, LNG output system 1 is arranged on filling ship 3, and LNG input system 2 is arranged on power ship 4, and LNG output system 1 is flexibly connected with LNG input system 2.
As shown in Figure 2, LNG output system 1 comprises filling tank 11, cryopump 12, controller 13, Pull breaking ualve 16, out splice going splice 17, Emergeny Cutoff Valves 1; Filling tank 11 is fixedly installed in the cabin of filling ship 3, is provided with return-air flange 1, fills flange 1 on the shell of filling tank 11; The input end of cryopump 12 is fixedly connected with filling flange 1 by steel pipe, and the output terminal of cryopump 12 is connected with one end of Emergeny Cutoff Valves 1, and the other end of Emergeny Cutoff Valves 1 is connected with out splice going splice 17 by air hose 14; On air hose 14, be provided with a Pull breaking ualve 16; Controller 13 is connected with cryopump 12; The material of steel pipe is 304L or 316L.
LNG input system 2 comprises fuel pot 21, input adapter 23, Emergeny Cutoff Valves 2 24; Fuel pot 21 is fixedly installed on power ship 4, and the shell of fuel pot 21 is provided with return-air flange 2 211, fills flange 2 212; Filling flange 2 212 is fixedly connected with one end of Emergeny Cutoff Valves 2 24 by steel pipe, the other end of Emergeny Cutoff Valves 2 24 is provided with input adapter 23, between return-air flange 2 211 and return-air flange 1, by return-air flexible pipe 22, be connected, the out splice going splice 17 that the present embodiment adopts is inipple male end, and input adapter 23 is the inipple female end matching with out splice going splice 17; Also can adopt input adapter 23 for inipple male end, out splice going splice 17 is the inipple female end matching with input adapter 23.
While needing operation, out splice going splice 17 is connected with input adapter 23, by controller 13, starts cryopump 12, LNG, by air hose 14 input fuel pot 21, after fuel pot 21 is full of, is closed to cryopump 12, disconnect out splice going splice 17 and input adapter 23, operation is complete.When there is emergency, cut off respectively Emergeny Cutoff Valves 1 and Emergeny Cutoff Valves 2 24, can cut off the filling of LNG; When the large operation of wind or water surface wave cause pipeline fracture, Pull breaking ualve 16 is thrown off automatically, cut-out charging line.
In addition to the implementation, the present invention can also have other mode of executions, and all employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (5)
1. the filling apparatus of a LNG, it is characterized in that: comprise LNG output system, LNG input system, described LNG output system is arranged on filling ship, and described LNG input system is arranged on power ship, and described LNG output system is flexibly connected with LNG input system;
Described LNG output system comprises filling tank, cryopump, controller, out splice going splice, Emergeny Cutoff Valves one; Described filling tank is fixedly installed in the cabin of filling ship, is provided with return-air flange one, fills flange one on the shell of filling tank; The input end of described cryopump is fixedly connected with filling flange one by steel pipe, and low temperature delivery side of pump is connected with one end of Emergeny Cutoff Valves one, and the other end of Emergeny Cutoff Valves one is connected with out splice going splice by air hose; Controller is connected with cryopump;
Described LNG input system comprises fuel pot, input adapter, Emergeny Cutoff Valves two; Described fuel pot is fixedly installed on power ship, and the shell of described fuel pot is provided with return-air flange two, fills flange two; The described flange two-way that fills is crossed steel pipe and is fixedly connected with one end of Emergeny Cutoff Valves two, and the other end of described Emergeny Cutoff Valves two is provided with input adapter, between described return-air flange two and return-air flange one, by return-air flexible pipe, is connected.
2. the filling apparatus of a kind of LNG as claimed in claim 1, is characterized in that: the material of described steel pipe is the wherein a kind of of 304L or 316L.
3. the filling apparatus of a kind of LNG as claimed in claim 1, is characterized in that: described out splice going splice is inipple male end, and described input adapter is the inipple female end matching with out splice going splice.
4. the filling apparatus of a kind of LNG as claimed in claim 1, is characterized in that: described input adapter is inipple male end, and described out splice going splice is the inipple female end matching with input adapter.
5. the filling apparatus of a kind of LNG as claimed in claim 1, is characterized in that: on described air hose, be provided with a Pull breaking ualve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310454496.5A CN103542252B (en) | 2013-09-30 | 2013-09-30 | The filling apparatus of a kind of LNG |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310454496.5A CN103542252B (en) | 2013-09-30 | 2013-09-30 | The filling apparatus of a kind of LNG |
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| CN103542252A true CN103542252A (en) | 2014-01-29 |
| CN103542252B CN103542252B (en) | 2015-10-28 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315335A (en) * | 2014-10-22 | 2015-01-28 | 成都华气厚普机电设备股份有限公司 | Pontoon-type gas station ship unloading system |
| CN104595700A (en) * | 2015-01-29 | 2015-05-06 | 张家港富耐特新能源智能系统有限公司 | Explosion-proof method of LNG (liquefied natural gas) filling machine |
| CN104613315A (en) * | 2015-02-03 | 2015-05-13 | 重庆燃气集团股份有限公司 | Large-waterhead wharf board natural gas supply method |
| CN106609907A (en) * | 2015-10-24 | 2017-05-03 | 河北斯玛特深冷技术有限公司 | Filling and air return integrated LNG vehicle-mounted gas cylinder |
| CN108313967A (en) * | 2017-01-18 | 2018-07-24 | 湖北星火化工有限公司 | A kind of totally enclosed hydrochloric acid tank car handler and its handling method |
| WO2019063025A1 (en) * | 2017-09-26 | 2019-04-04 | 泰恩博能燃气设备（天津）股份有限公司 | Floating liquefied natural gas storage and gasification apparatus, and control system and control method therefor |
| CN111532448A (en) * | 2020-04-14 | 2020-08-14 | 中国人民解放军空军南京航空四站装备修理厂 | Aviation hydraulic oil pump vehicle with disc pipe frame |
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Patent Citations (6)
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| US3586065A (en) * | 1967-12-26 | 1971-06-22 | Bowles Fluidics Corp | Fluid transfer methods and systems |
| US4826354A (en) * | 1986-03-31 | 1989-05-02 | Exxon Production Research Company | Underwater cryogenic pipeline system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315335A (en) * | 2014-10-22 | 2015-01-28 | 成都华气厚普机电设备股份有限公司 | Pontoon-type gas station ship unloading system |
| CN104595700A (en) * | 2015-01-29 | 2015-05-06 | 张家港富耐特新能源智能系统有限公司 | Explosion-proof method of LNG (liquefied natural gas) filling machine |
| CN104613315A (en) * | 2015-02-03 | 2015-05-13 | 重庆燃气集团股份有限公司 | Large-waterhead wharf board natural gas supply method |
| CN106609907A (en) * | 2015-10-24 | 2017-05-03 | 河北斯玛特深冷技术有限公司 | Filling and air return integrated LNG vehicle-mounted gas cylinder |
| CN108313967A (en) * | 2017-01-18 | 2018-07-24 | 湖北星火化工有限公司 | A kind of totally enclosed hydrochloric acid tank car handler and its handling method |
| WO2019063025A1 (en) * | 2017-09-26 | 2019-04-04 | 泰恩博能燃气设备（天津）股份有限公司 | Floating liquefied natural gas storage and gasification apparatus, and control system and control method therefor |
| CN111532448A (en) * | 2020-04-14 | 2020-08-14 | 中国人民解放军空军南京航空四站装备修理厂 | Aviation hydraulic oil pump vehicle with disc pipe frame |
| CN111532448B (en) * | 2020-04-14 | 2022-07-15 | 中国人民解放军空军南京航空四站装备修理厂 | Aviation hydraulic oil pump truck with coil frame |
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|---|---|
| CN103542252B (en) | 2015-10-28 |
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