CN204756448U - CNG transport ship pipe -line system - Google Patents
CNG transport ship pipe -line system Download PDFInfo
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- CN204756448U CN204756448U CN201520432416.0U CN201520432416U CN204756448U CN 204756448 U CN204756448 U CN 204756448U CN 201520432416 U CN201520432416 U CN 201520432416U CN 204756448 U CN204756448 U CN 204756448U
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Abstract
The utility model discloses a CNG transport ship pipe -line system, including loading and unloading air pipe branch system, discharge pipeline branch system safely, safeguard maintenance pipeline branch system and with each minute form a systematic set's management circuit, the key lies in: each minute system realizes leading to with each gas cylinder, breaks and be connected with the aid of matching line, gas cylinder upper end plug assembly, controlled pneumatic valve, the matched stack connecting piece of each minute system is whole to be set up on the cabin cover in gas cylinder storage storehouse, supporting control system and have attached manual part and detect the touring passageway both sides of display unit's establishment of institution at the cabin cover at random. The utility model discloses with the pipeline setting on upper deck, the security that has improved the CNG ship, compare with narrow and small cabin space, the space that the pipeline was arranged is more nimble, the centralized control of the gas circuit of being convenient for, the pipeline reasonable in design that arranges, the structure is succinct, be convenient for maintenance and maintenance and centralized control.
Description
Technical field
The utility model belongs to pressurized gas marine transportation system, relates to a kind of CNG cargo ship, especially a kind of CNG cargo ship pipe-line system.
Background technique
Compressed natural gas (CNG) cargo ship refers to the freighter transporting compressed natural gas, due to the facility without the need to the costliness such as liquefaction plant and regasification terminal, is conducive to reducing shipping cost, is therefore day by day favored.Application number is US4, a kind of method U.S. patents disclosing transport of compressed natural of 846,088, and it more than the deck of barge or deck is provided with tank at sea, comprises the pressure bottle that many pipe type pipes be placed on barge deck by level are formed.The shortcoming of this means of transprotation is that pressure bottle is quantitatively restricted, because these pressure bottles are placed on more than deck, in order to the stability keeping barge enough, greatly limit the gas flow that single barge can load, and the price causing unit to load gas raises.
Enron LNG Dev. Corp of the U.S. the application that China applies for be 96191260.X patent discloses a kind of ship based system for compressed natural gas transport, it is provided with pressurized gas reservoir vessel aboard ship, each pressurized gas reservoir vessel comprises 3 ~ 30 gas cylinders, gas cylinder is installed belowdecks with Vertical direction, cabin hatch cover covers, in case enter at seawater, in said system, gas cylinder and pipeline are all covered with hatchcover, if there occurs the leakage of compressed natural gas, consequence is hardly imaginable, how the rock gas of leakage is disposed to cargo hold by CNG cargo ship is also outward a technical problem urgently to be resolved hurrily, application number vessel for transport of compressed natural gas disclosed in the patent of 201420667174.9 is provided with ventilative mast on cargo hatchcover, the body of rod that described ventilative mast comprises a hollow tubular structure and the gas pipeline be arranged on the body of rod, by gas pipeline, the rock gas that bottle mouth of gas cylinder leaks is disposed to outside cargo hold, but this structure increases the complexity that pipeline is arranged.And pipeline and gas cylinder are arranged in cabin simultaneously, narrow space, adds pipeline and safeguards and the difficulty of maintenance.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of CNG cargo ship pipe-line system, pipe-line system is arranged on upper deck, with gas cylinder bottle and is provided separately by it, setting, the inspection and maintenance of pipeline is convenient to more greatly in space on the one hand, reduce the risk that rock gas is revealed in cabin on the other hand, improve the Security of CNG cargo ship.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of CNG cargo ship pipe-line system, comprise handling air pipe subsystem, safety dumping pipeline subsystem, maintaining pipeline subsystem and the management circuit supporting with each subsystem, key is:
Each subsystem realizes switching with each gas cylinder be connected by means of supporting pipeline, gas cylinder upper end plug assembly, controlled pneumatic valve; The assembly link of each subsystem is all arranged on the hatchcover of gas cylinder storage silo, supporting control system and have the touring passage both sides of organization establishes at hatchcover of attached manual part and random detection display unit.
Described maintaining pipeline subsystem comprises blow-down system and nitrogen purges, replaces and inspection of hermetic seal subsystem.
Described handling air pipe subsystem is erected at above hatchcover by spacing random self-adapting type support on upper end plug assembly and limited post; Described blowoff line subsystem is erected at the top of handling air pipe subsystem by position shelf; It is be communicated with that described safety dumping pipeline subsystem is divided with handling air pipe by safety discharge valve; The main body pipeline of handling air pipe subsystem, blowoff line subsystem and safety dumping pipeline subsystem forms the pipeline structure of three layers of arrangement above hatchcover.
In technique scheme, pipe-line system is all arranged on hatchcover (namely on upper deck) top, isolates arrange with the gas cylinder be arranged in gas cylinder storage silo, on the one hand, the space that tubes rows cloth is arranged is comparatively large, is convenient to pipeline arrangement, meanwhile, pipeline is arranged on upper deck, is convenient to safeguard and maintenance; On the other hand, pipeline is arranged on out of my cabin, and gas cylinder is arranged in cabin, avoids causing security incident because of the leakage of compressed natural gas, improves the Security of CNG ship.
Air pipe, blowoff line and safety dumping pipeline storied placement will be loaded and unloaded, its structure will be simple, be convenient to safeguard and maintenance, and be suitable for standardized designs, and save the space of pipeline arrangement, be beneficial to maintenance and the maintenance of pipeline.
The beneficial effect adopting technique scheme to produce is: pipeline is arranged on upper deck by (1) the utility model, improves the Security of CNG ship; Compared with narrow and small cabin space, the space of pipeline arrangement is more flexible, is convenient to the centralized control of gas circuit; (2) in further improved plan, unit muffler adopts random self-adapting type support spacing between two row gas cylinders, make pipeline and gas cylinder servo-actuated, eliminate unit as far as possible and converge the relative displacement of tracheae and gas cylinder upper end plug, avoid the fatigue failure of pipeline; (3) tubes rows cloth of the present utility model reasonable in design, simple for structure, be convenient to safeguard and maintenance and centralized control.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model handling air pipe arrangement;
Fig. 2 is the local pipeline structure schematic diagram along ship axial arranging in Fig. 1;
Fig. 3 is the local pipeline structure schematic diagram along the arrangement of ship radial direction in Fig. 1;
Fig. 4 is the structure for amplifying schematic diagram at A place in Fig. 1;
Fig. 5 is the main TV structure schematic diagram of random self-adapting type support in Fig. 3;
Fig. 6 is the plan structure schematic diagram of Fig. 5;
Fig. 7 is the structural representation of position shelf in Fig. 2;
Fig. 8 is the main TV structure schematic diagram of safety dumping pipeline;
Fig. 9 is the plan structure schematic diagram of blowoff line subsystem;
Figure 10 is the structure for amplifying schematic diagram at B place in Fig. 9;
Wherein, 2, gas cylinder, 2-2, upper bottleneck, 2-3, double-walled goes out storekeeper, 2-4, supporting disk, 2-5, valve seat, 2-8, defining flange, 5, gas cylinder storage silo, 5-1, hatchcover, 5-1-1, boss, T1, organ tubular type stuffing box gland, 6-1, handling gas house steward, 6-2, handling gas seat, 6-4, unit remittance tracheae, 6-5, first half district house steward, 6-6, later half district house steward, 6-7, handling gas branch pipe, 7-1, unit drain pipe, 7-2, blow down branch, 7-3, position-limited rack, 7-4, first half district drain pipe, 7-5, later half district drain pipe, 7-6, blowdown main, 7-7, knockout drum, 7-8, withstand voltage glass tube, 8 represent random self-adapting type support, 8-1, U-shaped base plate, 8-2, support block, 8-3, limiting stopper, 8-4, second stiffening rib, 8-5, pipe clamp, 8-6, pipe clamp dunnage, 8-7, bridge support, 8-8, first stiffening rib, 9-1, vertical out-fall pipe, 9-2, longitudinal discharge pipe, 9-3, vertical out-fall mast, 9-4, horizontal discharge pipe, 9-5, emergency drain valve, 9-6, safety discharge valve.
Embodiment
See Fig. 1, a kind of CNG cargo ship pipe-line system, comprise handling air pipe subsystem, safety dumping pipeline subsystem, maintaining pipeline subsystem and the management circuit supporting with each subsystem, key is: each subsystem realizes switching with each gas cylinder be connected by means of supporting pipeline, gas cylinder upper end plug assembly, controlled pneumatic valve; The assembly link of each subsystem is all arranged on the hatchcover 5-1 of gas cylinder storage silo 5, supporting control system and have the touring passage both sides of organization establishes at hatchcover 5-1 of attached manual part and random detection display unit.
Described maintaining pipeline subsystem comprises blow-down system and nitrogen purges, replaces and inspection of hermetic seal subsystem.
Described handling air pipe subsystem is erected at above hatchcover 5-1 by spacing random self-adapting type support 8 on upper end plug assembly and limited post; Described blowoff line subsystem is erected at the top of handling air pipe subsystem by position shelf 7-3; It is be communicated with that described safety dumping pipeline subsystem is divided with handling air pipe by safety discharge valve 9-6; The main body pipeline of handling air pipe subsystem, blowoff line subsystem and safety dumping pipeline subsystem forms the pipeline structure of three layers of arrangement above hatchcover 5-1.
Described upper end plug assembly comprises and to be connected with the upper bottleneck 2-2 thread seal of gas cylinder 2 and the double-walled being provided with air inlet/outlet and the end plug body of sewage draining exit, being communicated with described end plug body and passing hatchcover goes out storekeeper 2-3 and be arranged on double-walled to go out valve seat 2-5 on storekeeper 2-3, and described valve seat 2-5 is respectively equipped with the air valve door be communicated with sewage draining exit with air inlet/outlet and sewage draining valve.See Fig. 2 and Fig. 3.Described double-walled goes out in the middle part of storekeeper 2-3, the top of hatchcover 5-1 is provided with supporting disk 2-4 and defining flange 2-8, between the two ends spacing supporting disk 2-4 in corresponding gas cylinder group and defining flange 2-8 of described random self-adapting type support 8.Described random self-adapting type support 8 comprise two ends respectively spacing bridge-type base on the supporting disk 2-4 of described gas cylinder group and being arranged on bridge-type base converges the pipe clamp 8-5 of tracheae 6-4 for position-limiting unit.Described bridge-type base comprises the bridge-type dunnage 8-7 that ring set goes out the bottom deck assembly of storekeeper 2-3, movable spacing U-shaped base plate 8-1 on another supporting disk of gas cylinder group 2-4 and is fixedly connected between bottom deck assembly and U-shaped base plate 8-1, by pipe clamp dunnage 8-6 location pipe clamp 8-5 bridge-type dunnage 8-7 on.
Described bottom deck assembly comprises support block 8-2 and limiting stopper 8-3, interface is provided with and the hole going out storekeeper and mate, form by bolt assembly the structure that ring set goes out storekeeper, U-shaped base plate 8-1 and support block 8-2 is respectively equipped with the first stiffening rib 8-8 and the second stiffening rib 8-4.Support block 8-2 is connected by bolt assembly with limiting stopper 8-3.
The utility model realizes pipeline by upper end plug assembly and to deliver from godown setting, and wherein gas cylinder 2 is arranged in gas cylinder closed cabin 5, and upper end plug assembly stretches out hatchcover 5-1, hatchcover and goes out between storekeeper 2-3 and form sealing configuration by going out storekeeper 2-3 by organ tubular type stuffing box gland T1; Concrete sealing configuration is: hatchcover 5-1 is provided with the through hole that delivers from godown, ring through hole is provided with boss 5-1-1, go out storekeeper 2-3 is provided with the supporting disk 2-4 supporting supporting pipeline, between supporting disk 2-4 and boss 5-1-1, be set with organ tubular type stuffing box gland T1, and by clip, organ tubular type stuffing box gland T1 located.
Described handling air pipe subsystem comprise be communicated with gas cylinder 2 air inlet/outlet handling gas branch pipe 6-7, to be arranged between two row gas cylinders and to collect the unit loading and unloading gas branch pipe 6-7 and converge tracheae 6-4, first half district house steward 6-5, later half district house steward 6-6 and load and unload gas house steward 6-1; Described each unit remittance tracheae 6-4 is communicated with handling gas house steward 6-1 through first half district house steward 6-5 or later half district house steward 6-6, and the two ends of handling gas house steward 6-1 extend to hull 1 both sides, are communicated with handling gas seat 6-2 by handling gas seat bend pipe respectively.
Described handling air pipe subsystem also comprises the control valve being separately positioned on unit and converging on tracheae 6-4, first half district house steward 6-5, later half district house steward 6-6 and handling gas house steward 6-1, and the corresponding output end of described control system connects the control end of each control valve respectively.
Each unit remittance tracheae is provided with pressure inlet tube and is communicated with pressure gauge, the respective input of described manometric output termination control unit.The control to each pipeline is realized by pressure signal.
Unit remittance tracheae 6-4 one end is closed, and at one end installation unit main valve--the pneumatic ball valve near thwartship bulkhead, control mode is inflation unlatching, release closedown; Manual/auto conversion equipment is provided with between valve and pneumatic actuator, can to valve manually-operable on the spot; Be provided with valve location detecting switch, state can be opened and closed by electrical signal determination valve.Each unit of first half gathers formation first half district house steward 6-5, middle part is passed to along right side, top, cabin, first half district main valve-pneumatic ball valve is installed, then access handling gas house steward 6-1, gathers latter half of each unit and forms later half district house steward 6-6, passes to middle part along left side, top, cabin, later half district main valve-pneumatic ball valve is installed, then access handling gas house steward 6-1, two valves are equipped with valve location detecting switch, can open and close state by electrical signal determination valve.
Described blowoff line comprises and is communicated with the sewage draining exit of upper end plug assembly, extend into Stainless Steel Tube bottom gas cylinder 2, and the blow down branch 7-2 be communicated with blowdown valve 2-5, to be arranged between two row gas cylinders and the unit drain pipe 7-1 collecting blow down branch 7-2, the blowdown main 7-6 that is communicated with each unit drain pipe 7-2 with later half district drain pipe 7-5 by first half district drain pipe 7-4; Described blowdown main 7-6 is communicated with knockout drum 7-7, see Fig. 9.
Described first half district drain pipe 7-4 and later half district drain pipe 7-5 arranges triple valve, and wherein a branch road is communicated with blowdown main 7-6 and withstand voltage glass tube and supporting manually operated valve are housed, form blowdown and observe loop.Withstand voltage glass tube can the pressure of resistance to 2 ~ below 3MPa, therefore manually operated valve is adopted high low pressure can be completely cut off, only have when storage pressure is down to authorized pressure, just manually operated valve is opened, now, the knockout drum 7-7 be communicated with blowoff line is normal pressure, therefore, utilizes the residual voltage in gas cylinder the raffinate bottom gas cylinder can be depressed in knockout drum 7-7.Blowdown situation can be observed by withstand voltage glass tube 7-8.
Unit drain pipe 7-1 converges between tracheae by position-limited rack 7-3 and unit and forms limit structure, the end view drawing of described position-limited rack 7-3 is see Fig. 7, its one end is connected to unit and converges on tracheae, the other end is connected to unit drain pipe 7-1, unit drain pipe 7-1 by random self-adapting type support and gas cylinder servo-actuated, it is servo-actuated that unit drain pipe 7-1 and unit converge tracheae.
Described safety dumping pipeline is by least one safety discharge valve 9-6 and at least one emergency drain valve 9-5 and load and unload air pipe system connectivity, form the superpressure discharging mechanism and emergency drain mechanism that load and unload air pipe; The corresponding output end of described control unit connects the control end of safety discharge valve 9-6 and emergency drain valve 9-5, and described emergency drain valve is also provided with manually operated valve.
Concrete, discharge pipe described in the present embodiment comprise by safety discharge valve 9-6 and unit converge vertical out-fall pipe 9-1 that tracheae 6-4 is communicated with, to be arranged on above vertical out-fall pipe 9-1 and to collect the horizontal discharge pipe 9-4 of vertical out-fall pipe 9-1 and collect longitudinal discharge pipe 9-2 of described horizontal discharge pipe 9-4, described longitudinal discharge pipe 9-2 is communicated with discharge mast 9-3.Each unit remittance tracheae is installed in parallel 2 safety discharge valves, described safety discharge valve is communicated with described vertical out-fall pipe 9-1 by downward-sloping pipeline, in vertical out-fall pipe 9-1 lower end, discharge opeing ball valve 9-1-1 is set, structural drawing in parallel is see Fig. 4 and Fig. 2, downward-sloping pipeline, can import corrosive liquids in vertical out-fall pipe 9-1, is discharged by the discharge opeing ball valve 9-1-1 of vertical out-fall pipe 9-1 lower end, to reduce the corrosion to pipeline, keep the clean of pipeline.
Described longitudinal discharge pipe 9-2 and horizontal discharge pipe 9-4 is higher than hatchcover 5-11.5 ~ 2.5m, spacing with the column that is welded on hatchcover 5 by U-tube folder; Described discharge mast 9-3 is higher than hatchcover 5-15.5 ~ 6.5m, and top handicapping firearm and waterproof cover, establish inflammable gas detect probe at waterproof cover top.
When inflammable gas detect probe detects that discharge masthead place has inflammable gas to overflow, can send alarm signal to central control chamber, operator can search dangerous reason, may be safety valve abnormal emission or gas leakage, or the gas leakage of emergency drain valve.
In the first half district of the left and right ship side of hull and later half district, discharge mast is set respectively.According to discharge mast locking leaking area, lock leakage point further.
Claims (10)
1. a CNG cargo ship pipe-line system, comprises handling air pipe subsystem, safety dumping pipeline subsystem, maintaining pipeline subsystem and the management circuit supporting with each subsystem, it is characterized in that:
Each subsystem realizes switching with each gas cylinder be connected by means of supporting pipeline, gas cylinder upper end plug assembly, controlled pneumatic valve; The assembly link of each subsystem is all arranged on the hatchcover (5-1) of gas cylinder storage silo (5), supporting control system and have the touring passage both sides of organization establishes at hatchcover (5-1) of attached manual part and random detection display unit.
2. CNG cargo ship pipe-line system according to claim 1, is characterized in that described maintaining pipeline subsystem comprises blow-down system and nitrogen purges, replaces and inspection of hermetic seal subsystem.
3. CNG cargo ship pipe-line system according to claim 1, is characterized in that described handling air pipe subsystem is erected at hatchcover (5-1) top by spacing random self-adapting type support (8) on upper end plug assembly and limited post; Described blowoff line subsystem is erected at the top of handling air pipe subsystem by position shelf (7-3); It is be communicated with that described safety dumping pipeline subsystem is divided with handling air pipe by safety discharge valve (9-6); The main body pipeline of handling air pipe subsystem, blowoff line subsystem and safety dumping pipeline subsystem forms the pipeline structure of three layers of arrangement in hatchcover (5-1) top.
4. CNG cargo ship pipe-line system according to claim 3, it is characterized in that described upper end plug assembly comprises to be connected with upper bottleneck (2-2) thread seal of gas cylinder (2) and the double-walled being provided with air inlet/outlet and the end plug body of sewage draining exit, being communicated with described end plug body and passing hatchcover goes out storekeeper (2-3) and be arranged on double-walled to go out valve seat (2-5) on storekeeper (2-3), described valve seat (2-5) is respectively equipped with the air valve door be communicated with sewage draining exit with air inlet/outlet and sewage draining valve; Described double-walled goes out on storekeeper (2-3) to be also provided with supporting disk (2-4) and defining flange (2-8), between the spacing supporting disk (2-4) in corresponding gas cylinder group in two ends of described random self-adapting type support (8) and defining flange (2-8).
5. CNG cargo ship pipe-line system according to claim 1, it is characterized in that described handling air pipe subsystem comprise be communicated with gas cylinder (2) air inlet/outlet handling gas branch pipe (6-7), to be arranged between two row gas cylinders and to collect the unit loading and unloading gas branch pipe (6-7) and converge tracheae (6-4), first half district house steward (6-5), later half district house steward (6-6) and load and unload gas house steward (6-1); Described each unit remittance tracheae (6-4) is communicated with handling gas house steward (6-1) through first half district house steward (6-5) or later half district house steward (6-6), and the two ends of handling gas house steward (6-1) extend to hull (1) both sides, are communicated with handling gas seat (6-2) by handling gas seat bend pipe respectively; Described handling air pipe subsystem also comprises the control valve being separately positioned on unit and converging in tracheae (6-4), first half district house steward (6-5), later half district house steward (6-6) and handling gas house steward (6-1), and the corresponding output end of described control system connects the control end of each control valve respectively.
6. CNG cargo ship pipe-line system according to claim 2, it is characterized in that described blowoff line comprises the Stainless Steel Tube being communicated with, extending into gas cylinder (2) bottom with the sewage draining exit of upper end plug assembly, and the blow down branch (7-2) be communicated with blowdown valve (2-5), to be arranged between two row gas cylinders and the unit drain pipe (7-1) collecting blow down branch (7-2), the blowdown main (7-6) that is communicated with each unit drain pipe (7-2) with later half district drain pipe (7-5) by first half district drain pipe (7-4); Described blowdown main (7-6) and knockout drum
(7-7
)be communicated with; Described first half district drain pipe (7-4) and later half district drain pipe (7-5) arrange triple valve, and wherein a branch road is communicated with blowdown main (7-6) and withstand voltage glass tube (7-8) and supporting manually operated valve are housed, form blowdown and observe loop.
7. CNG cargo ship pipe-line system according to claim 1, it is characterized in that described discharge pipe by least one safety discharge valve (9-6) and at least one emergency drain valve (9-5) with handling air pipe system connectivity, form the superpressure discharging mechanism and emergency drain mechanism that load and unload air pipe; The corresponding output end of described control unit connects the control end of safety discharge valve (9-6) and emergency drain valve (9-5), and described emergency drain valve is also provided with manually operated valve.
8. CNG cargo ship pipe-line system according to claim 7, it is characterized in that described safety dumping pipeline comprise by safety discharge valve (9-6) and unit converge vertical out-fall pipe (9-1) that tracheae (6-4) is communicated with, be arranged on vertical out-fall pipe (9-1) top and collect the horizontal discharge pipe (9-4) of vertical out-fall pipe (9-1) and collect longitudinal discharge pipe (9-2) of described horizontal discharge pipe (9-4), described longitudinal discharge pipe (9-2) with discharge mast (9-3) and be communicated with; Described longitudinal discharge pipe (9-2) and horizontal discharge pipe (9-4) are higher than hatchcover (5-1) 1.5 ~ 2.5m, spacing with the column be welded on hatchcover (5) by U-tube folder; Described discharge mast (9-3) is higher than hatchcover (5-1) 5.5 ~ 6.5m, and top handicapping firearm and waterproof cover, establish inflammable gas detect probe at waterproof cover top.
9. CNG cargo ship pipe-line system according to claim 4, it is characterized in that described random self-adapting type support (8) comprise two ends respectively spacing bridge-type base on the supporting disk (2-4) of described gas cylinder group and being arranged on bridge-type base converges the pipe clamp (8-5) of tracheae (6-4) for position-limiting unit.
10. CNG cargo ship pipe-line system according to claim 9, it is characterized in that the bridge-type dunnage (8-7) that described bridge-type base comprises ring set and goes out the bottom deck assembly of storekeeper (2-3), movable spacing U-shaped base plate (8-1) on another supporting disk of gas cylinder group (2-4) and be fixedly connected between bottom deck assembly and U-shaped base plate (8-1), bridge-type dunnage (8-7) locates pipe clamp (8-5) by pipe clamp dunnage (8-6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432416.0U CN204756448U (en) | 2015-06-23 | 2015-06-23 | CNG transport ship pipe -line system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432416.0U CN204756448U (en) | 2015-06-23 | 2015-06-23 | CNG transport ship pipe -line system |
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| CN204756448U true CN204756448U (en) | 2015-11-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090745A (en) * | 2015-06-23 | 2015-11-25 | 石家庄安瑞科气体机械有限公司 | Pipeline system for CNG transport ship |
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2015
- 2015-06-23 CN CN201520432416.0U patent/CN204756448U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090745A (en) * | 2015-06-23 | 2015-11-25 | 石家庄安瑞科气体机械有限公司 | Pipeline system for CNG transport ship |
| CN105090745B (en) * | 2015-06-23 | 2017-11-21 | 石家庄安瑞科气体机械有限公司 | CNG cargo ship pipe-line systems |
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