CN214001963U - Large-scale double fuel boats and ships LNG fuel storage tank - Google Patents
Large-scale double fuel boats and ships LNG fuel storage tank Download PDFInfo
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- CN214001963U CN214001963U CN202022498435.7U CN202022498435U CN214001963U CN 214001963 U CN214001963 U CN 214001963U CN 202022498435 U CN202022498435 U CN 202022498435U CN 214001963 U CN214001963 U CN 214001963U
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Abstract
The utility model provides a large-scale double fuel boats and ships LNG fuel storage tank belongs to fuel storage tank technical field, this large-scale double fuel boats and ships LNG fuel storage tank includes fuel storage tank body, the bottom of fuel storage tank body is equipped with the support frame, the both sides of fuel storage tank body are through bolt fixedly connected with sealing valve, the inside of fuel storage tank body is equipped with diesel oil storage tank and LNG storage tank respectively, open at the top of diesel oil storage tank has the diesel oil feed inlet, the upper end of diesel oil feed inlet is equipped with diesel oil feed connector, diesel oil feed connector sealing connection has the diesel oil input pipeline, open at the top of LNG storage tank has the LNG fuel feed inlet, the upper end of LNG fuel feed inlet is equipped with the LNG fuel feed connector, LNG fuel feed connector sealing connection has the LNG fuel input pipeline, the bottom of diesel oil storage tank and LNG storage tank all opens the fuel delivery outlet, sealing connection has diesel oil pipeline and LNG fuel delivery pipeline on the fuel delivery outlet, so that the dual-fuel marine fuel storage tank can simultaneously store and use the LNG fuel and the diesel fuel.
Description
Technical Field
The utility model belongs to the technical field of the fuel storage tank, concretely relates to large-scale double fuel boats and ships LNG fuel storage tank.
Background
Liquefied Natural Gas (LNG) is a novel environment-friendly energy source, and compared with diesel oil as a clean fuel, LNG can reduce the emission of sulfur dioxide and dust by 100%, reduce the emission of carbon dioxide by 60% and reduce the emission of nitrogen oxides by 50%, can effectively reduce the content of PM2.5, and fundamentally improves the environmental quality.
With the strictness of the emission standards of the national maritime organization and the adjustment of the national energy strategy, in recent two years, LNG is beginning to be used as engine fuel for ships on inland vessels. At present, domestic marine LNG still belongs to the starting stage, but the development is very fast, a plurality of ships are transformed by dual-fuel diesel engines, some mainstream diesel engines are also subjected to bench tests and pass the identification and acceptance of related national department organizations, the feasibility on technology and economy is proved, and the LNG rapidly arouses the interest of a plurality of domestic manufacturers by the advantages of low price, low pollutant emission and the like.
In view of the fact that LNG is just started in water application, a ship works to change oil into gas through some pilot projects under the guidance of relevant functional departments of the country to achieve certain effects, however, in the real meaning of China, LNG power newly-built ships are few, most LNG fuel power ships appearing in the market are transformed on the basis of original ships, and the LNG fuel power ships belong to the transformation engineering. The refitting ship can not well store and use diesel fuel and LNG fuel, can not only use the LNG fuel as fuel under the immature condition of the existing refitting engineering, and can be used alternatively by matching with reliable diesel fuel to achieve the best effect, and a plurality of ships can not be refitted, so that the LNG can not be widely applied to water, and certain obstruction is brought to the application of the LNG to water.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a large-scale dual fuel boats and ships LNG fuel storage tank, it is immature to aim at the dual fuel boats and ships repacking engineering who solves among the prior art, and LNG fuel is unreliable, needs to cooperate reliable diesel fuel to use as stand-by fuel, and current dual fuel boats and ships fuel storage tank can not store the problem with the use to LNG fuel and diesel fuel simultaneously.
In order to achieve the above object, the utility model provides a following technical scheme: a large-scale double-fuel ship LNG fuel storage tank comprises a fuel storage tank body, wherein a support frame is arranged at the bottom of the fuel storage tank body, sealing valves are fixedly connected to two sides of the fuel storage tank body through bolts, a diesel oil storage tank and an LNG storage tank are respectively arranged inside the fuel storage tank body, a diesel oil feed port is formed in the top of the diesel oil storage tank, a diesel oil feed joint is arranged at the upper end of the diesel oil feed port, the diesel oil feed joint is connected with a diesel oil input pipeline through a flange plate in a sealing manner, an LNG fuel feed port is formed in the top of the LNG storage tank, an LNG fuel feed joint is arranged at the upper end of the LNG fuel feed port, the LNG fuel feed joint is connected with an LNG fuel input pipeline through a flange plate in a sealing manner, a plurality of fuel output ports are formed in the bottoms of the diesel oil storage tank and the LNG storage, the fuel storage tank can be used for simultaneously storing diesel fuel and LNG fuel, and the precise conveying pipeline is arranged to enable the dual-fuel ship to use two fuels well, so that the reliability of the dual-fuel ship is greatly improved.
As an optimization, the other end of the diesel oil input pipeline and the other end of the LNG fuel input pipeline are all connected with a flange tee joint through bolt sealing.
As an optimization of the utility model, diesel oil pipeline and LNG fuel pipeline's the other end all is equipped with flange joint.
As an optimization, all be equipped with the ball valve on diesel oil pipeline and the LNG fuel pipeline, and the ball valve is located the rear that the flange connects.
As an optimization, the outer wall of fuel storage tank body has two hydraulic pressure volumetric meters through the pipe-line sealing connection, and is linked together with diesel oil storage tank and LNG storage tank respectively.
As an optimization, the hanging holes are welded at the top parts of the outer walls of the two sides of the fuel storage tank body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this scheme is at first divided into diesel oil storage tank and LNG storage tank with the fuel storage tank body, then connect the diesel oil feed of diesel oil feed inlet upper end and the LNG fuel feed of LNG fuel feed inlet upper end respectively and be connected with diesel oil input pipeline and LNG fuel input pipeline, make the fuel storage tank body can store two kinds of fuel simultaneously, then all open a plurality of fuel delivery outlets that have diesel oil storage tank and LNG storage tank's bottom, respectively with diesel oil pipeline and LNG fuel pipeline sealing connection through the ring flange, make two kinds of fuel all can supply with the marine engine and use, realize the double fuel boats and ships in the true sense, make double fuel boats and ships use more reliably.
2. This scheme is through the sealing valve who is equipped with in fuel storage tank body both sides, moves the bolt through twisting and opens sealing valve to this is internal clean to the fuel storage tank, makes it difficult to be blockked up by impurity, and the influence is used, improves work efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the structure of the present invention;
FIG. 3 is a schematic view of the main sectional structure of the present invention;
fig. 4 is a schematic side view of the present invention;
fig. 5 is a schematic top view of the present invention.
In the figure: 1. a fuel tank body; 2. a support frame; 3. sealing the valve; 4. a diesel storage tank; 5. an LNG storage tank; 6. a diesel oil feed inlet; 7. a diesel feed connection; 8. a diesel input pipe; 9. an LNG fuel feed inlet; 10. an LNG fuel feed connection; 11. an LNG fuel input pipeline; 12. a fuel outlet; 13. a diesel delivery pipe; 14. an LNG fuel delivery conduit; 15. a flange tee joint; 16. a flange joint; 17. a ball valve; 18. a hydraulic capacity meter; 19. and (7) hanging holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a large-scale dual fuel ship LNG fuel storage tank, including fuel storage tank body 1, the bottom of fuel storage tank body 1 is equipped with support frame 2, bolt fixedly connected with sealing valve 3 is passed through to fuel storage tank body 1's both sides, fuel storage tank body 1's inside is equipped with diesel oil storage tank 4 and LNG storage tank 5 respectively, open at the top of diesel oil storage tank 4 has diesel oil feed inlet 6, the upper end of diesel oil feed inlet 6 is equipped with diesel oil feed joint 7, diesel oil feed joint 7 has diesel oil input pipeline 8 through flange plate sealing connection, open at the top of LNG storage tank 5 has LNG fuel feed inlet 9, the upper end of LNG fuel feed inlet 9 is equipped with LNG fuel feed joint 10, LNG fuel feed joint 10 has LNG fuel input pipeline 11 through flange plate sealing connection, a plurality of fuel delivery outlet 12 have all been opened to the bottom of diesel oil storage tank 4 and LNG storage tank 5, there are diesel oil delivery pipeline 13 and LNG fuel delivery pipeline 14 through flange plate sealing connection respectively on a plurality of fuel delivery outlet 12.
The utility model discloses an in the concrete embodiment, fuel storage tank body 1 plays the effect of storing fuel, support frame 2 plays the effect of placing fuel storage tank body 1, sealed valve 3 through bolt fixed connection in 1 both sides of fuel storage tank body plays the effect of opening fuel storage tank body 1, open sealed valve 3 through twisting the bolt, thereby clean 1 inside to fuel storage tank body, it is difficult to be blockked up by impurity to make it, open diesel oil feed inlet 6 that has at 4 tops of diesel oil storage tank and play the effect of refuelling into diesel oil storage tank 4, diesel oil feed joint 7 that is equipped with oil feed inlet 6 upper end plays the effect of injecting into fuel and getting into diesel oil storage tank 4 internal storage and use through ring flange and 8 sealing connection of diesel oil input pipeline, the effect of storing in making fuel get into LNG storage tank 5 is played to the LNG fuel feed inlet 9 that has opened at 5 tops of LNG storage tank, LNG fuel feed joint 10 that is equipped with LNG fuel feed inlet 9 upper ends passes through ring flange and LNG fuel input pipeline 11 The LNG fuel can be smoothly injected into the LNG storage tank 5 for storage and use through sealing connection, the plurality of fuel outlets 12 formed in the bottoms of the diesel storage tank 4 and the LNG storage tank 5 play a role in outputting the fuel in the diesel storage tank 4 and the LNG storage tank 5 for the engine to work and use, the diesel conveying pipelines 13 and the LNG fuel conveying pipelines 14 which are hermetically connected through flanges are respectively arranged on the plurality of fuel outlets 12 for conveying the fuel to the engine for work and use, the diesel conveying pipelines 13 and the LNG fuel conveying pipelines 14 play a role in conveying the fuel, so that the two fuels can be supplied to the engine of the ship for use, and the true dual-fuel ship is realized, and the dual-fuel ship is more reliably used.
Specifically, referring to fig. 1 to 5, the other ends of the diesel oil input pipe 8 and the LNG fuel input pipe 11 are connected to a flange tee 15 through bolts in a sealing manner.
In this embodiment: the flange tee 15 plays a role of externally connecting a refueling machine, so that fuel in the refueling machine can be respectively injected into the diesel storage tank 4 and the LNG storage tank 5 through the diesel input pipeline 8 and the LNG fuel input pipeline 11 for storage, and is used for a ship engine to work.
Specifically, referring to fig. 1-5, the other ends of the diesel fuel pipeline 13 and the LNG fuel pipeline 14 are provided with flange joints 16.
In this embodiment: the flange joint 16 is used for connecting the ship engine, and the fuel stored in the diesel storage tank 4 and the LNG storage tank 5 can be delivered to the ship engine for working through the diesel delivery pipeline 13 and the LNG fuel delivery pipeline 14.
Specifically, referring to fig. 1, fig. 2, fig. 3 and fig. 5, ball valves 17 are disposed on the diesel fuel delivery pipe 13 and the LNG fuel delivery pipe 14, and the ball valves 17 are located behind the flange joints 16.
In this embodiment: the ball valve 17 plays a role in controlling the delivery switches of the diesel fuel delivery pipeline 13 and the LNG fuel delivery pipeline 14, and whether the engine uses diesel fuel or LNG fuel can be realized by controlling the ball valve 17.
Specifically, referring to fig. 1, 2 and 4, the outer wall of the fuel tank body 1 is hermetically connected to two hydraulic volume meters 18 through pipes, and the two hydraulic volume meters are respectively communicated with the diesel oil tank 4 and the LNG tank 5.
In this embodiment: the hydraulic capacity meter 18 plays a role in observing the fuel capacity in the diesel oil storage tank 4 and the LNG storage tank 5, so as to achieve the purpose of timely inputting fuel into the diesel oil storage tank 4 and the LNG storage tank 5 for the ship to work.
Specifically, referring to fig. 1-3, hanging holes 19 are welded to the top of the outer walls of the two sides of the fuel tank body 1.
In this embodiment: the hanging hole 19 plays a role in facilitating the movement of the fuel storage tank body 1 for maintenance, so that the service life of the fuel storage tank body 1 is prolonged.
The utility model discloses a theory of operation and use flow: before a ship engine is started, the ship engine is firstly connected with a refueling machine through a flange tee joint 15, added diesel oil and added LNG fuel are respectively input to a diesel oil feeding joint 7 and an LNG fuel feeding joint 10 through a diesel oil input pipeline 8 and an LNG fuel input pipeline 11, then are respectively discharged into a diesel oil storage tank 4 and an LNG storage tank 5 from a diesel oil feeding hole 6 and an LNG fuel feeding hole 9 for storage, the added fuel capacity is known by checking a hydraulic capacity meter 18, the connection is disconnected after the diesel oil and the LNG fuel are filled, then a flange joint 16 arranged at the other end of a diesel oil conveying pipeline 13 and the other end of an LNG fuel conveying pipeline 14 are respectively connected with the engine, a ball valve 17 is opened, the engine is started, the diesel oil and the LNG fuel can be respectively conveyed to the engine for working through a plurality of fuel output ports 12 arranged at the bottoms of the diesel oil storage tank 4 and the LNG storage tank 5, and can be conveyed to the engine for working through the diesel oil conveying pipeline 13 and the LNG fuel conveying pipeline 14, when the inside the fuel storage tank body 1 needs to be cleaned, a sealing valve 3 can be opened for carrying out the inside the fuel storage tank body 1 The washing, prevent that the pipeline from blockking up because of impurity in the fuel storage tank body 1, the influence is used, when fuel storage tank body 1 need overhaul, accessible hanging hole 19 is taken off it from support frame 2 and is overhauld, improve fuel storage tank body 1's life with this, improve work efficiency, realize the fuel storage tank simultaneously to diesel fuel and LNG fuel's storage, make two kinds of fuel of use that dual-fuel boats and ships can be fine through setting up of accurate pipeline, realize the true double-fuel boats and ships in, greatly increased dual-fuel boats and ships's reliability.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (6)
1. The utility model provides a large-scale dual fuel boats and ships LNG fuel storage tank, includes fuel storage tank body (1), the bottom of fuel storage tank body (1) is equipped with support frame (2), its characterized in that: the fuel storage tank is characterized in that sealing valves (3) are fixedly connected to two sides of the fuel storage tank body (1) through bolts, a diesel storage tank (4) and an LNG storage tank (5) are respectively arranged inside the fuel storage tank body (1), a diesel feeding port (6) is formed in the top of the diesel storage tank (4), a diesel feeding joint (7) is arranged at the upper end of the diesel feeding port (6), the diesel feeding joint (7) is connected with a diesel input pipeline (8) through a flange plate in a sealing manner, an LNG fuel feeding port (9) is formed in the top of the LNG storage tank (5), an LNG fuel feeding joint (10) is arranged at the upper end of the LNG fuel feeding port (9), the LNG fuel feeding joint (10) is connected with an LNG fuel input pipeline (11) through a flange plate in a sealing manner, and a plurality of fuel output ports (12) are formed in the bottoms of the, the fuel outlets (12) are respectively connected with a diesel oil conveying pipeline (13) and an LNG fuel conveying pipeline (14) through flange plates in a sealing mode.
2. The large dual-fuel ship LNG fuel storage tank of claim 1, wherein: the other ends of the diesel oil input pipeline (8) and the LNG fuel input pipeline (11) are connected with a flange tee joint (15) through bolts in a sealing mode.
3. The large dual-fuel ship LNG fuel storage tank of claim 1, wherein: and flange joints (16) are arranged at the other ends of the diesel oil conveying pipeline (13) and the LNG fuel conveying pipeline (14).
4. The large dual-fuel ship LNG fuel storage tank of claim 1, wherein: and the diesel oil conveying pipeline (13) and the LNG fuel conveying pipeline (14) are respectively provided with a ball valve (17), and the ball valves (17) are positioned behind the flange joints (16).
5. The large dual-fuel ship LNG fuel storage tank of claim 1, wherein: the outer wall of fuel storage tank body (1) has two hydraulic pressure volumetric meters (18) through pipeline sealing connection, and is linked together with diesel oil storage tank (4) and LNG storage tank (5) respectively.
6. The large dual-fuel ship LNG fuel storage tank of claim 1, wherein: hanging holes (19) are welded at the tops of the outer walls of the two sides of the fuel storage tank body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022498435.7U CN214001963U (en) | 2020-11-03 | 2020-11-03 | Large-scale double fuel boats and ships LNG fuel storage tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022498435.7U CN214001963U (en) | 2020-11-03 | 2020-11-03 | Large-scale double fuel boats and ships LNG fuel storage tank |
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| CN214001963U true CN214001963U (en) | 2021-08-20 |
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| CN202022498435.7U Active CN214001963U (en) | 2020-11-03 | 2020-11-03 | Large-scale double fuel boats and ships LNG fuel storage tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116552699A (en) * | 2023-06-02 | 2023-08-08 | 江苏新时代造船有限公司 | Self-pressurizing LNG liquid tank of dual-fuel ship |
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2020
- 2020-11-03 CN CN202022498435.7U patent/CN214001963U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116552699A (en) * | 2023-06-02 | 2023-08-08 | 江苏新时代造船有限公司 | Self-pressurizing LNG liquid tank of dual-fuel ship |
| CN116552699B (en) * | 2023-06-02 | 2024-01-16 | 江苏新时代造船有限公司 | Self-pressurizing LNG liquid tank of dual-fuel ship |
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