CN109110048B - Ship LNG shipping application method and self-propelled LNG tank container reloading ship - Google Patents

Ship LNG shipping application method and self-propelled LNG tank container reloading ship Download PDF

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Publication number
CN109110048B
CN109110048B CN201811064636.7A CN201811064636A CN109110048B CN 109110048 B CN109110048 B CN 109110048B CN 201811064636 A CN201811064636 A CN 201811064636A CN 109110048 B CN109110048 B CN 109110048B
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China
Prior art keywords
ship
lng tank
tank container
lng
reloading
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CN201811064636.7A
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CN109110048A (en
Inventor
姚智衡
姚奉
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Yichang Dongjiang Shipbuilding Co ltd
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Yichang Dongjiang Shipbuilding Co ltd
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/002—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for goods other than bulk goods
    • B63B25/004—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for goods other than bulk goods for containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
    • B63B25/14—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed pressurised
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/22—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for palletised articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/10—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
    • B63B27/12—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes of gantry type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/16—Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B2003/145—Frameworks, i.e. load bearing assemblies of trusses and girders interconnected at nodal points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B2035/002—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for inland waters, e.g. for use on canals or rivers

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Ship Loading And Unloading (AREA)

Abstract

The invention provides a ship LNG shipping application method and a self-propelled LNG tank container reloading ship, wherein a plurality of anchorage LNG tank containers are arranged along a river for reloading, and a gate type lifting device is arranged on the anchorage LNG tank container reloading ship and used for lifting the LNG tank container from at least one side to the ship; the self-propelled LNG tank container replacing and loading ship is characterized by further comprising a plurality of self-propelled LNG tank containers, and the self-propelled LNG tank container replacing and loading ship cabin is provided with a space rail type lifting device and is used for lifting the LNG tank containers from the anchorage type LNG tank container replacing and loading ship to a ship applying the LNG tank containers as fuel containers. The invention can solve the fuel supply problem of the LNG ship with lower cost. The LNG fueling is conveniently achieved by replacing LNG tank containers. According to the calculation that the total mileage of the Yangtze river trunk line from the Yangtze river to the Shanghai state is 2583km, the Yangtze river trunk line can solve the problem of LNG filling of the Yangtze river trunk line by only replacing and loading 13 anchorage LNG tank containers.

Description

Ship LNG shipping application method and self-propelled LNG tank container reloading ship
Technical Field
The invention relates to the field of LNG energy shipping application, in particular to a ship LNG shipping application method and a self-propelled LNG tank container reloading ship.
Background
LNG is an abbreviation for liquefied natural gas (Liquefied Natural Gas, abbreviated as LNG), and the main component is methane, which is recognized as the cleanest fossil energy source on earth. Colorless, odorless, nontoxic and noncorrosive. The inland ships in China are numerous, and the water transportation potential is huge. The fuel storage mode adopted by the LNG fuel power ship in the prior art is a fixed storage tank, and the fixed storage tank is filled by depending on an onshore filling station or an onshore filling wharf boat, for example, a mobile filling ship described in chinese patent document CN106428445A, that is, the filling mode is adopted for fuel application. The construction of filling stations faces site selection difficulty, large investment and long approval period, so that the quantity of LNG filling stations put into use at the present stage is slowly increased, the filling requirements of LNG fuel power ships which are started to be applied in the water transportation industry can not be met in a short period, and the LNG fuel power ships can not develop rapidly.
LNG is abundant in overseas resources, import quantity of China is large, a transportation mode of a large transport ship and a large receiving station is adopted in the existing transportation market, the mode is in a monopoly state of a large group for a long time, infrastructure construction period is long, investment is huge, and a threshold is high. At present, small-batch trade delivery of LNG needs a more flexible mode, and the LNG directly reaches users through land and water multi-mode intermodal transportation. The mode of the existing LNG tank container transportation link is from the source, water or land, transportation, land transfer and end user, and no shipping application from the source, transportation and direct to water shipping vessel users exists.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the marine LNG shipping application method, which can realize the application of the marine LNG fuel from the source to the end user and greatly reduce the fuel application cost.
The invention aims to provide a self-propelled LNG tank container reloading ship, which can realize the replacement of the LNG tank container between water ships and ships, so that the ship using LNG as fuel can conveniently obtain LNG fuel, and the self-propelled LNG tank container reloading ship is simple and convenient to operate and safe to use.
In order to solve the technical problems, the invention adopts the following technical scheme: a marine LNG shipment application method, arrange a plurality of anchorage LNG tank container reloads along the river, there is a gantry crane on the anchorage LNG tank container reloads, is used for hoisting LNG tank container to the ship from at least one side;
The self-propelled LNG tank container replacing and loading ship is characterized by further comprising a plurality of self-propelled LNG tank containers, and the self-propelled LNG tank container replacing and loading ship cabin is provided with a space rail type lifting device and is used for lifting the LNG tank containers from the anchorage type LNG tank container replacing and loading ship to a ship applying the LNG tank containers as fuel containers.
In a preferred embodiment, the LNG tank container ship is further comprised, and the LNG tank container ship is provided with a cargo hold for accommodating the LNG tank container.
In the preferred scheme, in the anchorage LNG tank container reloading ship, the both ends and the bollard fixed connection of hull are equipped with the portable portal of walking along hull length direction on the hull, the bottom of portable portal is equipped with running gear, is equipped with the hoist and mount crossbeam track that extends to hull both sides on the portable portal, hoist and mount crossbeam orbital horizontal plane projection extends to outside the hull both sides.
In the preferable scheme, on the ship body, a fixed anti-tilting frame is fixedly arranged on the inner side of the movable portal along the length direction of the ship body, and a guide rail is arranged on the outer side of the fixed anti-tilting frame;
the inner side of the movable portal frame is provided with a pulley which slides along a guide rail of the fixed anti-tilting frame.
In a preferred embodiment, the bottom of the dolphin is provided with a downwardly extending box through which the anchor chain of the anchor passes.
In the preferred scheme, the self-propelled LNG tank container reloading ship is provided with a top rail arranged along the length direction of the ship body, one end of the top rail is provided with a top rail end extension part, and the horizontal plane projection of the top rail end extension part extends out of the end of the ship body;
the vertical travelling cart is arranged on the overhead rail and is provided with a transverse travelling trolley, and the transverse travelling trolley is provided with a lifting device.
In the preferred scheme, the cargo hold of self-propelled LNG tank container reloading and LNG tank container ship is equipped with a plurality of fuel cabins, LNG tank container loads in the fuel cabin, LNG tank container passes through pipe-line system and is connected with power device's internal-combustion engine.
The self-propelled LNG tank container reloading ship for the marine LNG shipping application method is characterized in that a top rail along the length direction of the ship body is fixedly arranged on the ship body, one end of the top rail is provided with a top rail end extension part, and the horizontal plane projection of the top rail end extension part extends out of the end of the ship body;
the vertical travelling cart is arranged on the overhead rail and is provided with a transverse travelling trolley, and the transverse travelling trolley is provided with a lifting device.
In the preferable scheme, a plurality of LNG tank container cabins are arranged at the stern part of the ship, the LNG tank container is arranged in the LNG tank container cabins, and the LNG tank container is connected with an internal combustion engine of the power plant through a pipeline system.
In a preferred embodiment, the internal combustion engine is a diesel and LNG dual fuel internal combustion engine.
The system is also provided with an independent pipe making independent vent and an LNG tank container cabin vent, wherein the independent pipe making vent is communicated with a pipe making of a pipeline system, and the independent LNG tank container cabin vent is communicated with an LNG tank container cabin;
A liquid collecting disc is arranged at the positions of the pipeline joint and the valve.
The marine LNG shipping application method and the self-propelled LNG tank container reloading ship provided by the invention can solve the fuel supply problem of LNG ships. The LNG fueling is conveniently achieved by replacing LNG tank containers. According to the calculation that the total mileage of the Yangtze river trunk line from the Yangtze river to the Shanghai state is 2583km, the Yangtze river trunk line can solve the problem of LNG filling of the Yangtze river trunk line by only replacing and loading 13 anchorage LNG tank containers. Can realize the LNG tank container change between the ship on water and the ship, make the ship of using LNG as fuel very convenient obtain the LNG fuel, easy and simple to handle, safe in utilization. The ship in sailing can realize the replacement of the LNG tank container in the sailing process through the replacement of the self-propelled LNG tank container without backing up, and can also park the anchor type LNG tank container for replacement. In the preferred scheme, the scheme of the dual-fuel internal combustion engine is adopted, and the diesel drive can be switched to in the process of passing the gate, so that the safety of the dam is ensured.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
Fig. 1 is a schematic diagram of the overall arrangement of the present invention.
Fig. 2 is a front view of a self-propelled LNG tank container reload according to the present invention.
Fig. 3 is a top view of a top rail of a self-propelled LNG tank container reloading vessel in accordance with the present invention.
Fig. 4 is a schematic cross-sectional view A-A of fig. 2.
Fig. 5 is a front view of an LNG tank container ship according to the present invention.
Fig. 6 is a top view of an LNG tank container ship according to the present invention.
Fig. 7 is a front view of the shore lifting means in the present invention.
Fig. 8 is a side view of the shoreside lifting device of the present invention.
Fig. 9 is a schematic diagram of the overall structure of the tie-back LNG tank container reloading vessel of the present invention.
Fig. 10 is a schematic top view of a mobile lifting device for transshipment of an anchorage type LNG tank container in accordance with the present invention.
Fig. 11 is a schematic cross-sectional view of a mobile lifting device for transshipment of an anchorage type LNG tank container in accordance with the present invention.
Fig. 12 is a schematic diagram of a self-propelled LNG tank container reloading of the present invention to replace an LNG tank container for an LNG fuelled ship.
In the figure: the ship 1 is reloaded by an anchor type LNG tank container, the movable portal frame 101, the traveling device 102, the hoisting beam rail 103, the ship body 104, the pulley 105, the fixed anti-tilting frame 106, the anchor type hoisting trolley 107, the self-propelled LNG tank container reloading ship 2, the overhead rail 21, the overhead rail end extension 22, the longitudinal traveling trolley 23, the transverse traveling trolley 24, the LNG tank container ship 3, the LNG tank container 4, the LNG tank container cabin 5, the power device 6, the pipe independent ventilation opening 7, the LNG tank container cabin independent ventilation opening 8, the bollard 9, the extension pipe 91, the ship anchor 92 and the shore hoisting device 10.
Detailed Description
Example 1:
A marine LNG shipment application method, arrange a plurality of anchorage LNG tank container reloads 1 along the river, there is a portal crane on the anchorage LNG tank container reloads 1, is used for hoisting LNG tank container 4 to the ship from at least one side; preferably, at least one tie-back LNG tank container reload 1 is arranged every 200 km apart.
The self-propelled LNG tank container reloading ship 2 is further provided with a plurality of self-propelled LNG tank container reloading ships 2, and the self-propelled LNG tank container reloading ships 2 are provided with a top rail type lifting device for lifting the LNG tank container 4 from at least one end to a ship applying the LNG tank container as a fuel container. As shown in fig. 12, the LNG fuel powered ship uses fuel not by means of filling but by means of integral replacement of the LNG tank container 4, greatly improving the efficiency and safety of fuel application. The self-propelled LNG tank container reloading ship 2 can replace the LNG tank container 4 without being on the shore, and the fuel application convenience is further improved.
The preferred solution is as in fig. 5,6 also comprising an LNG-tank container ship 3, the LNG-tank container ship 3 being provided with a cargo hold for accommodating an LNG-tank container 4, the LNG-tank container ship 3 being for transporting the LNG-tank container 4 between the river and the sea. The LNG tank container carrier 3 can conveniently transport LNG tank containers 4 from a marine vessel to shore, and directly hoist to shore or self-propelled LNG tank container reload 2 by means of a shore hoisting device 10. The LNG tank container 4 may also be directly offloaded from the LNG tank container ship 3 to the tie-back LNG tank container reload ship 1. Convenient and flexible, and low cost. The LNG tank container 4 transported by the LNG tank container ship 3 is loaded on an open deck where the probability of damage to collision or stranding is minimized.
In the preferred scheme shown in fig. 9, in the anchor LNG tank container reloading vessel 1, two ends of a hull 104 are fixedly connected with a dolphin 9, a movable gantry 101 walking along the length direction of the hull 104 is arranged on the hull 104, a walking device 102 is arranged at the bottom of the movable gantry 101, lifting beam rails 103 extending to two sides of the hull 104 are arranged on the movable gantry 101, and the horizontal plane projection of the lifting beam rails 103 extends to the outside of the two sides of the hull 104. With this structure, the anchor type LNG tank container reloading ship 1 is reliably fixed by the dolphins 9 at both ends, the LNG ship to be reloaded with the LNG tank container 4 is parked at one side of the anchor type LNG tank container reloading ship 1, the LNG tank container 4 is hoisted to the LNG ship by the traveling gantry crane, or the used LNG tank container 4 is detached from the LNG fuel power ship. The anchor type LNG tank container reloading ship 1 can transfer the LNG tank container 4 to the self-propelled LNG tank container reloading ship 2.
In a preferred embodiment, as shown in fig. 11, a fixed anti-tilting frame 106 is fixedly arranged on the inner side of a movable portal 101 on a ship body 104 along the length direction of the ship body 104, and a guide rail is arranged on the outer side of the fixed anti-tilting frame 106;
a pulley 105 is provided on the inner side of the movable gantry 101, and the pulley 105 slides along a guide rail to which an anti-tilting frame 106 is fixed.
The preferred embodiment is shown in figure 9, where the bottom of dolphin 9 is provided with a downwardly extending box through which the anchor chain of anchors 92 passes. With this structure, the anchor chain of the ship anchor does not cause the impact of anchor chain friction on the berthed LNG fuel power ship.
In the preferred scheme shown in fig. 2-4, the self-propelled LNG tank container reloading ship 2 is provided with a top rail 21 arranged along the length direction of the ship body, one end of the top rail 21 is provided with a top rail end extension part 22, and the horizontal plane projection of the top rail end extension part 22 extends out of the end of the ship body; this structure facilitates connection with another LNG ship at this point, and the LNG tank container 4 is directly loaded into the LNG tank container 5 of the other LNG ship from this point. Preferably, the headrail head extension 22 is located at the stem.
The head rail 21 is provided with a longitudinal traveling cart 23 traveling along the head rail 21, the longitudinal traveling cart 23 is provided with a transverse traveling cart 24, and the transverse traveling cart 24 is provided with a lifting device. When the LNG ship is reloaded, the self-propelled LNG tank container reloading ship 2 is connected with the LNG ship in an end-to-end mode, the bow of the self-propelled LNG tank container reloading ship 2 is fixedly connected with the stern of the LNG ship through a cable, the LNG ship disconnects the used LNG tank container 4 from a pipeline system, then the traveling cart 23 and the traveling trolley 24 are operated above the LNG tank container 4, the hoisting device is used for hoisting the LNG tank container 4 integrally, the traveling cart 23 and the traveling trolley 24 are operated on the deck of the self-propelled LNG tank container reloading ship 2, the LNG tank container 4 is dismounted, and then the filled LNG tank container 4 is hoisted into an LNG tank container cabin 5 of the LNG ship. Thereby completing the replacement of the LNG tank container 4. In the preferred scheme, as shown in fig. 2 and 3, two groups of longitudinal traveling trolleys 23 and transverse traveling trolleys 24 are arranged on the top rail 21, and a special area for the replacement of the LNG tank container 4 is arranged on the deck at a position close to the top rail end extension part 22, so that the traveling distance of the longitudinal traveling trolleys 23 at the position of the top rail end extension part 22 is reduced, and the replacement efficiency of the LNG tank container 4 is improved.
In a preferred solution, as shown in fig. 2, the stern of the self-propelled LNG tank container reloading vessel 2 and the stern of the LNG tank container vessel 3 are provided with a plurality of LNG tank container tanks 5, in this example, 8 LNG tank containers 4, which are arranged in two layers, each layer being 4. The LNG tank container 4 is disposed in an LNG tank container tank 5, and the LNG tank container 4 is connected to an internal combustion engine of the power plant 6 through a pipeline system.
In a preferred embodiment, as shown in fig. 7 and 8, in a part of the river sections, for example, the river sections with higher shoreside and higher water flow, the shoreside hoisting device 10 is arranged on the shore, and the LNG tank container 4 is hoisted to the self-propelled LNG tank container reloading vessel 2, the LNG tank container ship 3 or other LNG fuel vessels fuelled by the LNG tank container 4 by means of the cantilever beam of the shoreside hoisting device 10.
Example 2:
as shown in fig. 2 to 4, a self-propelled LNG tank container reloading ship 2 for the above-mentioned marine LNG application method is provided, a top rail 21 is fixedly arranged on a ship body along the length direction of the ship body, one end of the top rail 21 is provided with a top rail end extension 22, and the horizontal plane projection of the top rail end extension 22 extends out of the end of the ship body;
the head rail 21 is provided with a longitudinal traveling cart 23 traveling along the head rail 21, the longitudinal traveling cart 23 is provided with a transverse traveling cart 24, and the transverse traveling cart 24 is provided with a lifting device.
In a preferred scheme, a plurality of LNG tank container cabins 5 are arranged at the stern part of the ship, the LNG tank container 4 is arranged in the LNG tank container cabins 5, and the LNG tank container 4 is connected with an internal combustion engine of the power plant 6 through a pipeline system.
In a preferred scheme, the internal combustion engine adopts a diesel and LNG dual-fuel internal combustion engine; with this structure, the power of the internal combustion engine can be switched to the diesel fuel during the passing process, thereby ensuring the passing safety. The use of a separate LNG-fueled internal combustion engine is also possible in the case where the safety of the LNG-fueled ship is ensured, allowing the LNG-fueled ship to pass a gate.
The system is also provided with an independent pipe making independent vent 7 and an independent LNG tank container cabin vent 8, wherein the independent pipe making vent 7 is communicated with a pipe making of a pipeline system, and the independent LNG tank container cabin vent 8 is communicated with the LNG tank container cabin 5; with this structure, the safety of the LNG tank container is ensured. The LNG tank container 5 is provided with a fuel containment system, and the fuel piping and other fuel release sources are arranged and disposed to enable the release of gas to a safe location in the open air. The fuel pipe system is protected by adopting methods of a surrounding wall, a pipe, a guardrail and the like, so that the mechanical damage can be prevented. The separation of the two propulsion systems into two separate houses does not result in unacceptable functional losses due to the propulsion system and fuel application system design or any safety action after gas leaks. In order to minimize the gas operation probability in a machine provided with gas equipment, the invention is provided with a special cabin for independent fuel preparation and gas preparation, all fuel pipes and passing positions are provided with channels which are specially used for detection personnel to enter, namely pipe pieces, a self-closing air gate is arranged at a proper position of the channel, and the top of the channel is provided with an exhaust port; the air supply pipe system of the distance of the pipe system channel of the cabin to the LNG fuel engine adopts a double-wall pipe water jacket. And are manufactured and inspected in strict compliance with regulatory requirements.
The fuel tank 5 of the self-propelled LNG tank container reloading ship 2 is arranged on an open deck, steel enclosing walls are arranged around the fuel tank to protect the fuel tank from mechanical damage, and the upper part of a storage place is open, so that sufficient natural ventilation can be ensured. The LNG tank container 5 is taken near the inboard side of the ship along a centerline perpendicular to the full waterline for at least B/10 where B is the ship width, or 1.0m, taking its smaller value. At the joint of the fuel tank 5, a liquid collecting disc for leakage protection of cold liquid is arranged at the joint and the valve part. The connection form adopted between the ship structure and the ship structure can prevent the surrounding ship body or deck structure from being subjected to intolerable low-temperature cooling when LNG fuel leaks.
The above embodiments are merely preferred embodiments of the present application, and should not be construed as limiting the present application, and the embodiments and features of the embodiments of the present application may be arbitrarily combined with each other without collision. The protection scope of the present application is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this application are also within the scope of the application.

Claims (2)

1. A marine LNG shipping application method is characterized in that: arranging a plurality of anchorage type LNG tank container reloading ships (1) along the river, wherein a gate type lifting device is arranged on the anchorage type LNG tank container reloading ships (1) and used for lifting LNG tank containers (4) from at least one side to the ship;
the bottom of the dolphin (9) is provided with a box body extending downwards, and an anchor chain of a ship anchor (92) passes through the box body;
In the anchorage LNG tank container reloading ship (1), two ends of a ship body (104) are fixedly connected with a dolphin (9), a movable portal (101) which walks along the length direction of the ship body (104) is arranged on the ship body (104), a walking device (102) is arranged at the bottom of the movable portal (101), hoisting beam tracks (103) which extend to two sides of the ship body (104) are arranged on the movable portal (101), and the horizontal plane projection of the hoisting beam tracks (103) extends to the outside of the two sides of the ship body (104); on the ship body (104), a fixed anti-tilting frame (106) is fixedly arranged on the inner side of the movable portal (101) along the length direction of the ship body (104), and a guide rail is arranged on the outer side of the fixed anti-tilting frame (106);
a pulley (105) is arranged on the inner side of the movable portal (101), and the pulley (105) slides along a guide rail of the fixed anti-tilting frame (106);
The self-propelled LNG tank container reloading ship is further provided with a plurality of self-propelled LNG tank container reloading ships (2), and a top rail type lifting device is arranged on the self-propelled LNG tank container reloading ship (2) and used for lifting the LNG tank container (4) from the anchorage type LNG tank container reloading ship (1) to a ship applying the LNG tank container as a fuel container;
The self-propelled LNG tank container reloading ship (2) is provided with a top rail (21) arranged along the length direction of the ship body, one end of the top rail (21) is provided with a top rail end extension part (22), and the horizontal plane projection of the top rail end extension part (22) extends out of the end of the ship body;
A longitudinal traveling cart (23) traveling along the top rail (21) is arranged on the top rail (21), a transverse traveling cart (24) is arranged on the longitudinal traveling cart (23), and a lifting device is arranged on the transverse traveling cart (24);
the anchor type LNG tank container reloading ship (1) transfers the LNG tank container (4) to the self-propelled LNG tank container reloading ship (2);
The system further comprises an LNG tank container ship (3), wherein the LNG tank container ship (3) is provided with a cargo hold for accommodating an LNG tank container (4);
The cargo hold of the self-propelled LNG tank container reloading ship (2) and the LNG tank container ship (3) is provided with a plurality of fuel tanks (5), the LNG tank container (4) is loaded in the fuel tanks (5), and the LNG tank container (4) is connected with the internal combustion engine of the power device (6) through a pipeline system;
During reloading, the self-propelled LNG tank container reloading ship (2) is connected with the LNG tank container ship (3) end to end, the bow of the self-propelled LNG tank container reloading ship (2) is fixedly connected with the stern of the LNG tank container ship (3) through a cable, the LNG tank container ship (3) firstly disconnects the used LNG tank container (4) from a pipeline system, then the traveling cart (23) and the traveling cart (24) are operated above the LNG tank container (4), the LNG tank container (4) is integrally lifted by the lifting device, the traveling cart (23) and the traveling cart (24) are operated on the deck of the self-propelled LNG tank container reloading ship (2), the LNG tank container (4) is unloaded, and then the filled LNG tank container (4) is lifted into a fuel tank (5) of the LNG tank container ship (3), so that the LNG tank container (4) is replaced.
2. A method of marine LNG shipment as set forth in claim 1, wherein: the internal combustion engine adopts a diesel oil and LNG dual-fuel internal combustion engine;
The fuel tank is also provided with an independent pipe independent vent (7) and a fuel tank independent vent (8), wherein the pipe independent vent (7) is communicated with a pipe of a pipeline system, and the fuel tank independent vent (8) is communicated with the fuel tank (5);
A liquid collecting disc is arranged at the positions of the pipeline joint and the valve.
CN201811064636.7A 2018-08-19 2018-09-12 Ship LNG shipping application method and self-propelled LNG tank container reloading ship Active CN109110048B (en)

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CN111591396B (en) * 2019-06-25 2021-07-20 南京蒽天捷能源科技有限公司 Movable serial floating liquid cargo lightering maritime work platform and lightering method
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