CN103615657A - Natural gas transmission system of LNG power driving vessel - Google Patents
Natural gas transmission system of LNG power driving vessel Download PDFInfo
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- CN103615657A CN103615657A CN201310538372.5A CN201310538372A CN103615657A CN 103615657 A CN103615657 A CN 103615657A CN 201310538372 A CN201310538372 A CN 201310538372A CN 103615657 A CN103615657 A CN 103615657A
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Abstract
The invention discloses a natural gas transmission system of a LNG power driving vessel, which comprises a gas tank, a power apparatus, a gas tank side transmission apparatus, a power apparatus side transmission apparatus and a ventilation conduit; the gas tank is connected to the gas tank side transmission apparatus, the power apparatus is connected to the apparatus side transmission apparatus, two ends of the ventilation conduit are respectively connected to the gas tank side transmission apparatus and the power apparatus side transmission apparatus; a side surface of the gas tank is provided with a connecting piece of the gas tank; the gas tank side transmission apparatus comprises a seal box 1, a water-bath carburetor, a temperature sensor, a cushion valve, a pressure-reducing valve, a compression gauge, a normally-closed pneumatic stop valve 1, a normally-open pneumatic stop valve; the power apparatus side transmission apparatus comprises a seal box 2, a cleaner, a normally-closed pneumatic stop valve 2, a pressure transducer, a hand-operated stop valve, a natural gas injection valve set and a flame arrester. The natural gas transmission system has the advantages of simple structure, environmental protection, high safety coefficient and low cost.
Description
Technical field
The present invention relates to a kind of rock gas transmission system, especially relate to the rock gas transmission system of LNG powered 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 (NG) 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 LNG applies much on inland navigation craft, according to incompletely statistics, and existing 30 of LNG transformation powered ship.Due to existing gaseous fuel powered ship standard imperfection, in the process of transmission NG, need to meet requirement of explosion proof, the cost of implementing domestic transformation LNG powered ship according to external classification society rule is very high.
Summary of the invention
The object of the present invention is to provide the rock gas transmission system of a kind of simple in structure, environmental protection, LNG powered ship that safety coefficient is high.
The present invention is achieved by the following technical programs:
A rock gas transmission system for LNG powered ship, comprises gas holder, power plant, gas holder side transmitting set, power plant side transmitting set, air trunking; Gas holder is connected with gas holder side transmitting set, and power plant are connected with power plant side transmitting set by metallic hose, and the two ends of air trunking connect respectively gas holder side transmitting set and power plant side transmitting set; The side of gas holder is provided with gas holder link; Gas holder side transmitting set comprises sealed case one, water bath carburetor, temperature transducer, trimmer valve, reduction valve, pressure gauge, normally-closed pneumatic stop valve one, often opens pneumatic stopping valve, gas holder link, water bath carburetor, temperature transducer, trimmer valve, reduction valve, pressure gauge, normally-closed pneumatic stop valve one, often open pneumatic stopping valve and by said sequence, by pipeline, connected and be all arranged on successively the inside of sealed case one, the other end of often opening pneumatic stopping valve passes sealed case one and communicates with the external world; Power plant side transmitting set comprises sealed case two, filter cleaner, normally-closed pneumatic stop valve two, pressure transducer, hand stop valve, gas injector group, flame trap, and filter cleaner, normally-closed pneumatic stop valve two, pressure transducer, hand stop valve, gas injector group, flame trap are connected and be all arranged on the inside of sealed case two successively by pipeline by said sequence; The two ends of air trunking are respectively equipped with and fill flange one, fill flange two; Normally-closed pneumatic stop valve one, often open between pneumatic stopping valve and be connected with the flange one that fills of air trunking by pipeline; The other end of filter cleaner is connected with the flange two that fills of air trunking; In the joint of metallic hose and power plant side transmitting set, be provided with and fill flange three, the other end of flame trap with fill flange three and be connected.
Object of the present invention can also further realize by following technical measures.
The rock gas transmission system of aforesaid LNG powered ship, the material of sealed case one is the wherein a kind of of stainless steel 304 L or 316L.
The rock gas transmission system of aforesaid LNG powered ship, the material of sealed case two is the wherein a kind of of stainless steel 304 L or 316L.
The rock gas transmission system of aforesaid LNG powered ship is also provided with several combustible gas detectors one in the sealed case one of gas holder side transmitting set.
The rock gas transmission system of aforesaid LNG powered ship is also provided with several combustible gas detectors two in the sealed case two of power plant side transmitting set.
The rock gas transmission system of aforesaid LNG powered ship is also provided with explosion-proof axial flow fan on the outer wall of the sealed case one of gas holder side transmitting set, and explosion-proof axial flow fan is connected with the inside of sealed case one.
The rock gas transmission system of aforesaid LNG powered ship is also provided with gas-tight door on the sidewall of the sealed case one of gas holder side transmitting set.
The present invention is divided into the power plant side transmitting set that is positioned at cabin and the gas holder side transmitting set that is positioned at cargo hold by transmission system, these two transmitting sets are respectively by sealed case two, sealed case one sealing, guarantee that rock gas all circulates in the process of transmission in two transmitting sets, can not leak in external environment good seal performance, in two transmitting sets, be respectively equipped with combustible gas detector one, combustible gas detector two, can detect sealed case two, concentration of natural gas in sealed case one, combustible gas detector one, after combustible gas detector two detects rock gas and leaks, start immediately explosion-proof axial flow fan and extract the rock gas leaking out two transmitting sets, can effectively prevent that rock gas is at sealed case two, the excessive concentration of sealed case one and produce blast, safety coefficient is high, when gas holder stops air feed, normal unlatching moved stop valve unlatching, unnecessary rock gas in two transmitting sets is discharged in the external world, in order to avoid gather in the space of sealing, further improved safety coefficient, component in power plant side transmitting set of the present invention, gas holder side transmitting set are standard piece, and low price and interchangeability are good, and overall reforming cost is low, maintenance cost is low.
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 systematic schematic diagram of the present invention;
Fig. 2 is layout 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 gas holder 1, power plant 22, gas holder side transmitting set 111, power plant side transmitting set 112, air trunking 19; Gas holder 1 is connected with gas holder side transmitting set 111, and power plant 22 are connected with power plant side transmitting set 112 by metallic hose 16, and the two ends of air trunking 19 connect respectively gas holder side transmitting set 111 and power plant side transmitting set 112; The side of gas holder 1 is provided with gas holder link 2.
Gas holder side transmitting set 111 comprises sealed case 1, water bath carburetor 3, temperature transducer 5, trimmer valve 8, reduction valve 7, pressure gauge 6, normally-closed pneumatic stop valve 1, often drives 10, two combustible gas detectors 1 of pneumatic stopping valve, explosion-proof axial flow fan 18, gas-tight door 24; Gas holder link 2, water bath carburetor 3, temperature transducer 5, trimmer valve 8, reduction valve 7, pressure gauge 6, normally-closed pneumatic stop valve 1, often open pneumatic stopping valve 10 and by said sequence, by pipeline, connect and be all arranged on successively the inside of sealed case 1, the other end of often opening pneumatic stopping valve 10 passes sealed case 1 and communicates with the external world, explosion-proof axial flow fan 18 is arranged on the outer wall of sealed case 1, be connected with the inside of sealed case 1, on the sidewall of sealed case 1, be also provided with gas-tight door 24; Water bath carburetor 3 is provided with intake pipe 31 and outlet pipe 32, and hot water enters the heat that intake pipe 31 absorbs hot water by LNG and is vaporized into NG, and hot water becomes cold water and flows out from outlet pipe 32; Temperature transducer 5 is for detection of the temperature of NG in pipeline; Trimmer valve 8 and reduction valve 7 change into the gas pressure of NG for cushioning LNG, pressure gauge 6 is for detection of the pressure of the NG in pipeline; While having NG in pipeline, normally-closed pneumatic stop valve 1 opens, often open pneumatic stopping valve 10 closes, and while there is no NG in pipeline, normally-closed pneumatic stop valve 1 is closed, often opened pneumatic stopping valve 10 and opens; Whether combustible gas detector 1 leaks for detection of the NG in sealed case 1, after NG leaks, starts explosion-proof axial flow fan 18, and the NG leaking is extracted out, guarantees the safety of equipment; Gas-tight door 24 keeps in repair for conveniently entering gas holder side transmitting set 111.
Power plant side transmitting set 112 comprises sealed case 2 21, filter cleaner 12, normally-closed pneumatic stop valve 2 11, pressure transducer 4, hand stop valve 14, gas injector group 15, flame trap 13, combustible gas detector 2 20; Filter cleaner 12, normally-closed pneumatic stop valve 2 11, pressure transducer 4, hand stop valve 14, gas injector group 15, flame trap 13 are connected and are all arranged on the inside of sealed case 2 21 successively by pipeline by said sequence; The material of sealed case 1, sealed case 2 21 is the wherein a kind of of stainless steel 304 L or 316L; Filter cleaner 12, for filtering the impurity of NG, guarantees the NG purity that enters power plant 22; The pressure of NG in pressure transducer 4 signal pipings, gas injector group 15 is spurted into NG in metallic hose 16; The effect of flame trap 13 is to prevent that external flame from scurrying into power plant side transmitting set 112; The effect of combustible gas detector 2 20 is the same with combustible gas detector 1.
The two ends of air trunking 19 are respectively equipped with and fill flange 1, fill flange 2 192; Normally-closed pneumatic stop valve 1, often open between pneumatic stopping valve 10 and be connected with the flange 1 that fills of air trunking 19 by pipeline; The other end of filter cleaner 12 is connected with the flange 2 192 that fills of air trunking 19; In the joint of metallic hose 16 and power plant side transmitting set 112, be provided with and fill flange 3 161, the other end of flame trap 13 with fill flange 3 161 and be connected.
As shown in Figure 2, gas holder 1, gas holder side transmitting set 111 is arranged in cargo hold 28, power plant side transmitting set 112 is arranged in cabin 27, through water bath carburetor 3, LNG is vaporized into NG, NG is through temperature transducer 5 detected temperatures, trimmer valve 8, reduction valve 7 reduces the pressure of NG, normally-closed pneumatic stop valve 1 is opened, often opening pneumatic stopping valve 10 closes, NG enters air trunking 19 through filling flange 1, by filling flange 2 192, be transported in filter cleaner 12 and filter out impurity again, NG opens normally-closed pneumatic stop valve 2 11, pressure transducer 4 detected pressures, through gas injector group 15, NG is spurted in metallic hose 16 again, enter again knocking fuel in power plant 22.
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 (7)
1. a rock gas transmission system for LNG powered ship, is characterized in that: comprise gas holder, power plant, gas holder side transmitting set, power plant side transmitting set, air trunking; Described gas holder is connected with gas holder side transmitting set, and described power plant are connected with power plant side transmitting set by metallic hose, and the two ends of described air trunking connect respectively gas holder side transmitting set and power plant side transmitting set; The side of described gas holder is provided with gas holder link; Described gas holder side transmitting set comprises sealed case one, water bath carburetor, temperature transducer, trimmer valve, reduction valve, pressure gauge, normally-closed pneumatic stop valve one, often opens pneumatic stopping valve, described gas holder link, water bath carburetor, temperature transducer, trimmer valve, reduction valve, pressure gauge, normally-closed pneumatic stop valve one, often open pneumatic stopping valve and by said sequence, by pipeline, connected and be all arranged on successively the inside of sealed case one, the described the other end of often opening pneumatic stopping valve passes sealed case one and communicates with the external world; Described power plant side transmitting set comprises sealed case two, filter cleaner, normally-closed pneumatic stop valve two, pressure transducer, hand stop valve, gas injector group, flame trap, and described filter cleaner, normally-closed pneumatic stop valve two, pressure transducer, hand stop valve, gas injector group, flame trap are connected and be all arranged on the inside of sealed case two successively by pipeline by said sequence; The two ends of described air trunking are respectively equipped with and fill flange one, fill flange two; Described normally-closed pneumatic stop valve one, often open between pneumatic stopping valve and be connected with the flange one that fills of air trunking by pipeline; The other end of described filter cleaner is connected with the flange two that fills of air trunking; In the joint of described metallic hose and power plant side transmitting set, be provided with and fill flange three, the other end of described flame trap with fill flange three and be connected.
2. the rock gas transmission system of LNG powered ship as claimed in claim 1, is characterized in that: the material of described sealed case one is the wherein a kind of of stainless steel 304 L or 316L.
3. the rock gas transmission system of LNG powered ship as claimed in claim 1, is characterized in that: the material of described sealed case two is the wherein a kind of of stainless steel 304 L or 316L.
4. the rock gas transmission system of LNG powered ship as claimed in claim 1, is characterized in that: in the sealed case one of described gas holder side transmitting set, be also provided with several combustible gas detectors one.
5. the rock gas transmission system of LNG powered ship as claimed in claim 1, is characterized in that: in the sealed case two of described power plant side transmitting set, be also provided with several combustible gas detectors two.
6. the rock gas transmission system of LNG powered ship as claimed in claim 1, is characterized in that: on the outer wall of the sealed case one of described gas holder side transmitting set, be also provided with explosion-proof axial flow fan, described explosion-proof axial flow fan is connected with the inside of sealed case one.
7. the rock gas transmission system of LNG powered ship as claimed in claim 1, is characterized in that: on the sidewall of the sealed case one of described gas holder side transmitting set, be also provided with gas-tight door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310538372.5A CN103615657A (en) | 2013-11-05 | 2013-11-05 | Natural gas transmission system of LNG power driving vessel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310538372.5A CN103615657A (en) | 2013-11-05 | 2013-11-05 | Natural gas transmission system of LNG power driving vessel |
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| CN103615657A true CN103615657A (en) | 2014-03-05 |
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| CN201310538372.5A Pending CN103615657A (en) | 2013-11-05 | 2013-11-05 | Natural gas transmission system of LNG power driving vessel |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595705A (en) * | 2015-02-03 | 2015-05-06 | 重庆燃气集团股份有限公司 | Pontoon natural gas supply system and natural gas supply method thereof |
| CN105334061A (en) * | 2015-10-26 | 2016-02-17 | 成都华气厚普机电设备股份有限公司 | Engine test-driving platform gas supply system |
| 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 |
| CN108016570A (en) * | 2016-10-28 | 2018-05-11 | 石家庄安瑞科气体机械有限公司 | The sealing device and grouping unit of CNG cargo ships gas cylinder or bottle type container grouping unit |
| CN109810727A (en) * | 2019-01-18 | 2019-05-28 | 安徽帝元现代农业投资发展有限公司 | A kind of stalk recycling gasification installation |
| CN110173621A (en) * | 2019-06-03 | 2019-08-27 | 苏州制氧机股份有限公司 | Flat vertical double-walled LNG tank |
| CN113614443A (en) * | 2019-03-21 | 2021-11-05 | 乔治洛德方法研究和开发液化空气有限公司 | Device and method for storing and supplying fluid fuel |
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| JPS59187178A (en) * | 1983-04-08 | 1984-10-24 | Chuo Sansho Kk | Gas safety device |
| US5263826A (en) * | 1991-05-30 | 1993-11-23 | Sulzer Brothers Limited | Device for refueling a gaseous fuel tank |
| CN103047537A (en) * | 2012-12-19 | 2013-04-17 | 湖北三江航天红阳机电有限公司 | LNG (Liquefied Natural Gas) explosion-proof gas supply control system of yacht |
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| JPS59187178A (en) * | 1983-04-08 | 1984-10-24 | Chuo Sansho Kk | Gas safety device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595705A (en) * | 2015-02-03 | 2015-05-06 | 重庆燃气集团股份有限公司 | Pontoon natural gas supply system and natural gas supply method thereof |
| CN104595705B (en) * | 2015-02-03 | 2017-01-18 | 重庆燃气集团股份有限公司 | Pontoon natural gas supply system and natural gas supply method thereof |
| CN105334061A (en) * | 2015-10-26 | 2016-02-17 | 成都华气厚普机电设备股份有限公司 | Engine test-driving platform gas supply system |
| CN105334061B (en) * | 2015-10-26 | 2018-10-23 | 成都华气厚普机电设备股份有限公司 | Engine running test platform gas supply system |
| 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 |
| CN108016570A (en) * | 2016-10-28 | 2018-05-11 | 石家庄安瑞科气体机械有限公司 | The sealing device and grouping unit of CNG cargo ships gas cylinder or bottle type container grouping unit |
| CN108016570B (en) * | 2016-10-28 | 2024-02-27 | 石家庄安瑞科气体机械有限公司 | Sealing device of CNG transport ship gas cylinder or cylinder container marshalling unit and marshalling unit |
| CN109810727A (en) * | 2019-01-18 | 2019-05-28 | 安徽帝元现代农业投资发展有限公司 | A kind of stalk recycling gasification installation |
| CN113614443A (en) * | 2019-03-21 | 2021-11-05 | 乔治洛德方法研究和开发液化空气有限公司 | Device and method for storing and supplying fluid fuel |
| CN113614443B (en) * | 2019-03-21 | 2023-09-22 | 乔治洛德方法研究和开发液化空气有限公司 | Device and method for storing and supplying fluid fuel |
| CN110173621A (en) * | 2019-06-03 | 2019-08-27 | 苏州制氧机股份有限公司 | Flat vertical double-walled LNG tank |
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Application publication date: 20140305 |