CN105270569B - A kind of safe and efficient cargo ship gas goods systems of CNG - Google Patents
A kind of safe and efficient cargo ship gas goods systems of CNG Download PDFInfo
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- CN105270569B CN105270569B CN201510348091.2A CN201510348091A CN105270569B CN 105270569 B CN105270569 B CN 105270569B CN 201510348091 A CN201510348091 A CN 201510348091A CN 105270569 B CN105270569 B CN 105270569B
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- 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
Abstract
The invention discloses a kind of safe and efficient cargo ship gas goods systems of CNG, including hull, limit the gas storage unit in hull, mating pipe-line system, and corresponding control unit and servo mechanism, the gas storage unit includes being arranged in closed cabin, it is in erect straight arranged gas cylinders group along hull, gas cylinder upper end is stretched out by upper end plug assembly except closed cabin, the mating pipe-line system is arranged by means of upper end plug assembly and controlled pneumatic valve above closed cabin, it is realized with gas cylinder logical, connection breaking, the touring channel both sides that described control unit and its attached manual part and random detection display unit are arranged above closed cabin.Gas cylinder bottle and pipeline and control system are all provided separately, gas cylinder is started setting up from hull bottom, and top is pierced by hatchcover by storekeeper is gone out, and bottle is located in closed cabin, and pipeline and set-up of control system improve the safety of CNG Ship Transportations above hatchcover.
Description
Technical field
The invention belongs to compressed gas marine transportation systems, are related to a kind of CNG cargo ships, and especially a kind of CNG safety is high
Imitate cargo ship gas goods system.
Background technology
Compressed natural gas（CNG）Cargo ship refers to the freighter for transporting compressed natural gas, due to being not necessarily to liquefying plant and again gas
Change the expensive facility such as terminal, advantageously reduces shipping cost, therefore be increasingly subject to favor.Application No. is US4,846,088's
A kind of method of transport compressed natural gas of U.S. Patent Publication, at sea more than the deck or deck of barge is equipped with storage and holds
Device, including many are formed by pressure bottle by the duct type pipe being horizontally mounted on barge deck.The shortcomings that transportation resources
It is to be restricted in pressure bottle quantity, because these pressure bottles are placed on deck or more, for the stability for keeping barge enough,
The gas flow that single barge can load is greatly limited, the price that unit loads gas is caused to increase.
The patent disclosure that Enron LNG Dev. Corp of the U.S. is 96191260.X in the application of China's application
A kind of ship based system for compressed natural gas transport is aboard ship provided with compressed gas storage container, each compressed gas storage container
Including 3 ~ 30 gas cylinders, gas cylinder is installed belowdecks with vertical direction, and cabin is covered with hatch board, to prevent entering in seawater.It should
The fixed form of undisclosed gas cylinder in system, it is generally known that, marine transportation is different from land, by wave and boisterous shadow
It rings, cargo ship often pitches in driving process, is swung left and right, and therefore, the fixation of gas cylinder, which is transported safely, primarily to be solved
Problem；And all cover gas cylinder with hatch board in above system, just in case the leakage of compressed natural gas has occurred, consequence can't bear
Imagine, how will be also a technical problem urgently to be resolved hurrily, Shen outside the natural gas discharge to cargo hold of leakage on CNG cargo ships
Number ventilative mast please be provided on cargo hatchcover for the vessel for transport of compressed natural gas of 201420667174.9 patent disclosure, it is described
Ventilative mast includes the body of rod of a hollow tubular structure and the vent line that is arranged on the body of rod, by vent line by gas bottle
Outside the natural gas discharge to cargo hold of mouth leakage；But the structure increases the complexity of pipeline setting.
In China, application No. is the patents of 200680023284.X to disclose a kind of vessel for transport of compressed natural gas, storage thereon
For tank in addition to upper end is in closed space, the upper end of these storage tanks is equipped with a skirt, and setting, which is extended, above deck covers section, will
Storage tank has been hung directly from by skirt on extension set section, all to be arranged at outside cabin with circuits.Although the structure reduces
The risk that natural gas may be revealed, but the safety of structure that storage tank has been hung directly from the set section that extends by skirt is poor.
Invention content
The technical problem to be solved in the present invention is to provide a kind of safe and efficient cargo ship gas goods systems of CNG, by gas storage list
The bottom and middle part of member and hull limit, top free wxpansion, reduce hull and jolt and wave the impact force to gas storage unit, and
Realization gas storage unit is isolated with pipeline, improves the safety coefficient of CNG cargo ships, is suitable for severe maritime environment.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of safe and efficient cargo ship gas goods systems of CNG, including hull limit the gas storage unit in hull, match casing
Road system and corresponding control unit and servo mechanism, the gas storage unit is including being arranged in closed cabin, along hull in perpendicular
Straight arranged gas cylinders group, gas cylinder upper end are stretched out by upper end plug assembly except closed cabin, and the mating pipe-line system is by means of upper
End plug component and controlled pneumatic valve are arranged above closed cabin, are connect with gas cylinder realization switching, described control unit and its attached
Belong to the touring channel both sides that manual part and random detection display unit are arranged above closed cabin.
The lower end of the gas cylinder is by swing shock absorption mechanism and hull bottom limit, middle part by bandage component and hull
Keel damping limit, upper end by the upper end plug assembly and closed cabin hatchcover flexible limit.
Preferably, the swing shock absorption mechanism include connect with the lower whorl of bottleneck of gas cylinder, the flange with spherical surface boss,
And it is welded on gas cylinder pedestal, carries the flange backing ring of the spherical surface boss；The flange is by being set with bumper and absorbing shock group
The pretightning force bolt of part limits on gas cylinder pedestal, forms swing position limiting structure with flange support circle.
The keel are connected between two ship sides, the positioning backup plate of setting limit gas cylinder, the bandage component packet on keel
Include around gas cylinder bandage and the stud nut pair positioned with bandage both ends is set on keel, the gas cylinder is leaned in positioning
Position limiting structure is formed between plate and bandage；The setting height of bandage is not less than the height of C.G. of gas cylinder.
The hull is divided into 3 ~ 6 closed cabins by partition board, and the gas cylinder is axially arranged by row along hull in closed cabin
Cloth, the handling gas branch pipe being connected to upper end plug assembly are collected to the unit remittance tracheae being arranged among two row gas cylinders, and each unit is converged
Premenstrual halfth area manifold or later half area manifold are collected to handling gas manifold to tracheae respectively, and the both ends of the handling gas manifold extend to ship
Body both sides, respectively by handling gas seat bend pipe with load and unload gas seat be connected to.
In above-mentioned technical proposal, gas cylinder bottom makes gas cylinder be limited with hull by swing shock absorption mechanism, reduces hull and jolts
With when waving to the impact force of gas cylinder, in further improved preferred embodiment, using the convex spherical and flange support of spherical flange
Swing position limiting structure is formed between circle, by buffer damping mechanism, in this way when hull is swung left and right or pitches, with flange
The gas cylinder bottle of integrally connected, into row buffering and servo-actuated adjustment, can be absorbed from hull to gas during with hull vibration
The stress upwardly or downwardly that bottle applies, is equivalent to and forms a gantry pillars, reduces hull and is applied to due to inertia
Impact stress on bottle or gas cylinder bearing improves the safety of gas cylinder positioning, to adapt to jolting and waving for hull；
Middle part is fixed with bandage, top is pierced by hatchcover free wxpansion, and will go out compartment sealing, and the friction between middle part bandage and bottle is also
The rotating force that hull is applied to gas cylinder can be limited.
The advantageous effect generated using above-mentioned technical proposal is：（1）Gas cylinder bottom swings limit in the present invention, middle part is borrowed
Bandage is helped to limit, the structure of 2 points of limits enables the swing tune that jolts and wave progress adaptability of the bottle according to hull
It is whole, to reduce impact of the hull to bottle and gas cylinder bearing, improve the safety of CNG foot process gas cylinders positioning；
（2）On the one hand top sealing can form closed cabin environment, make the environment for keeping safety in cabin, on the other hand prevent from solving
Certainly severe maritime environment causes to corrode to bottle；（3）Mating pipe-line system is erected at the upper of closed cabin by upper end plug assembly
Side, realize gas cylinder and pipeline is isolated setting, improves the safety of CNG cargo ships；It erects straight arranged bottle and improves list
The fortune amount of ship can efficiently load and unload gas with circuits in such a way that gas cylinder classification is concentrated；（4）The positioning side of the present invention
Formula is simple in structure, handling gas is easy to operate, control system and the top that closed cabin is arranged at circuits, and is tieed up convenient for pipeline
Shield, monitoring and the emergent management of maintenance and gas cylinder air pressure, the keel of setting increase the stability of hull.
Description of the drawings
Fig. 1 is the main structure diagram of CNG ships of the present invention（Wherein gas cylinder profile is perspective view）；
Fig. 2 is the overlooking structure diagram of Fig. 1；
Fig. 3 is the left view structural representation of Fig. 2；
Fig. 4 is the enlarged diagram of the position limiting structure of gas cylinder bottom in Fig. 3
Fig. 5 is the enlarged diagram that the position limiting structure in Fig. 3 in the middle part of gas cylinder is overlooked；
Fig. 6 is the structural schematic diagram of upper end plug assembly；
Fig. 7 is along ship axial direction, gas cylinder top and with the structural schematic diagram of circuits；
Fig. 8 is along ship radial direction, gas cylinder top and the structural schematic diagram for loading and unloading air pipe and blowoff line；
Fig. 9 is the enlarged structure schematic diagram at A in Fig. 2；
Figure 10 is the main structure diagram of safety dumping pipeline；
Wherein, 1 hull is represented, 2, gas cylinder, 2-3,2-1, lower bottleneck, 2-2, upper bottleneck go out storekeeper, 2-4, ring convex, 2-5,
Valve seat, 2-6, end plug, 2-7, sewage draining exit, 2-8, into exhaust through hole, 3, gas cylinder pedestal, 4, keel, 5, closed cabin, 5-1, hatchcover,
5-1-1, boss, following B1 ~ B7 indicate the component of gas cylinder bottom limit, B1, bolt, B2, flange, B3, rubber spring, B4, close
Seal washer, B5, butterfly spring, B6, shape for hat sealing shroud, B7, flange backing ring, following M1 ~ M5 indicate the component positioned in the middle part of gas cylinder,
M1, bandage, M2, positioning backup plate, M3, stud nut pair, M4, rubber back cushion, M5, dowel, T1, organ tubular type sealing shroud；6-
1, handling gas manifold, 6-2, handling gas seat, 6-3, handling gas seat bend pipe, 6-4, unit converge tracheae, 6-5, first half area manifold, 6-6,
Later half area manifold, 6-7, handling gas branch pipe, 7-1, unit blow-off pipe, 7-2, blow down branch, 9-1, vertical out-fall pipe, 9-2, longitudinal direction
Delivery pipe, 9-3, vertical out-fall mast, 9-4, lateral delivery pipe, 9-5, dump valve, 9-6, safety discharge valve.
Specific implementation mode
Referring to Fig. 1, the safe and efficient cargo ship gas goods systems of CNG of the present embodiment, including hull 1, it limits on hull 1
Gas storage unit, mating pipe-line system and corresponding control unit and servo mechanism, in vertical row in closed cabin 5, along hull
2 groups of the gas cylinder of cloth, 2 upper end of gas cylinder are stretched out by upper end plug assembly except closed cabin 5, and the mating pipe-line system is by means of upper end
Plug assembly and controlled pneumatic valve are arranged closed cabin 5 above, are connect with gas cylinder realization switching, described control unit and its attached
Belong to the touring channel both sides that manual part and random detection display unit are arranged above closed cabin 5.
The hatchcover 5-1 of the closed cabin 5 of the hull 1, can walk or install thereon other components.The present invention will match
Circuits system is arranged above hatchcover 5-1；Gas cylinder 2 is arranged since hull bottom, reduces the height of C.G. of CNG ships, has
Conducive to the safely and smoothly operation of CNG cargo ships.The bottle of gas cylinder is all enclosed in closed cabin 5, and realizes sealing, gas cylinder
It is arranged with line isolation, prevents natural gas from causing accident to closed cabin internal leakage from pipeline or pipe joint, improve CNG
The safety of ship.
The present invention limits gas cylinder from bottom and middle part, and top is pierced by hatchcover 5-1 by upper end plug assembly, and gas cylinder can
With free wxpansion；And by all into outlet pipe subsystem, blowoff line subsystem, safety dumping pipeline subsystem and N2
The pipe-line systems such as scavenging pipeline subsystem are arranged outside closed cabin 5, are on the one hand convenient for the maintenance of pipeline, on the other hand avoid natural
Gas leakage causes explosion accident in cabin.The safe fixation of wherein gas cylinder is one of the most important link transported safely.It is described
The lower end of gas cylinder 2 is hindered by swing shock absorption mechanism and the limit of 1 bottom of hull, middle part by the keel 4 on bandage component and hull 1
Buddhist nun limit, upper end by the upper end plug assembly and closed cabin 5 hatchcover 5-1 flexible limits.
Wherein, the swing shock absorption mechanism include be threadedly coupled with the lower bottleneck 2-1 of gas cylinder 2, the method with spherical surface boss
Blue B2, and it is welded on gas cylinder pedestal 3, carries the flange backing ring B7 of the spherical surface boss；The flange B2 is by being set with
The pretightning force bolt B1 of bumper and absorbing shock component is limited on gas cylinder pedestal 3, is formed swing position limiting structure with flange backing ring B7.Gas cylinder
Pedestal 3 is welded on the bottom of hull 1, advantageously reduces gas cylinder center of gravity.The flange backing ring can be taper hole seat, or and ball
The mating spherical hole seat of face boss.
The structure of the bumper and absorbing shock component includes being sleeved on the pretightning force bolt B1, being separately positioned on gas cylinder bottom
The rubber spring B3 and butterfly spring B5 of 3 upper and lower end faces of seat.Rubber spring B3 and butterfly spring B5 has buffering to bottle and subtracts
The effect of shake.As shown in figure 4, flange B2 is located in certain pretightning force on gas cylinder pedestal 3 by pretightning force bolt B1, in flange
Rubber spring B3 is set between 3 upper surface B2 and gas cylinder pedestal, between 1 hypomere of bolt B, 3 lower face of gas cylinder pedestal and nut
It is set with butterfly spring B5.When installation, first, according to the mechanics parameter and size of rubber spring B3 and butterfly spring B5 and preload
Power, position of the design nut on bolt.When installation bolt component, butterfly spring B5 and rubber spring B3 is made to keep centainly
The degree of compression, gas cylinder 2 by vertically to acceleration in the case of, it is common by compression rubber spring B3 and the butterfly spring B5 that is stretched
External loading impact force suffered by snubber gas cylinder 2；When external loading impact force disappears, in the butterfly spring being stretched
Gas cylinder 2 resets to initial position under the action of B5.The setting of damping can effectively prevent gas cylinder 2 by vertically to acceleration
In the case of, and inner wall deformation, damage occurs, effectively reduce the probability that gas cylinder 2 generates leakage.When hull 1 swings,
The damping of side is compressed, the damping of the other side is stretched, to make gas cylinder 2 by flange B2 in flange backing ring B7
Inside freely swing, to alleviate the impact that hull 1 is swung left and right to gas cylinder 2, reduces the probability of the deformation of gas cylinder 2 or damage, this is to protect
Demonstrate,prove one of the important measures transported safely.
Lubricating oil is filled between flange B2 and flange backing ring B7 and is sealed by sealing ring；Lubricating oil increase flange B2 with
Lubrication between flange backing ring B7, and have the function of anti-corrosion.Sealing filler ring B4 is also covered in bolt B 1, in butterfly spring
It is set with the shape for hat sealing shroud B6 mating with seal washer B4 outside B5.The shape for hat sealing shroud B6 of sealing can prevent butterfly spring B5
Corrosion occurs, improves gas cylinder safely system.
Fixed mode is referring to Fig. 5 in the middle part of gas cylinder：The keel 4 are connected between two ship sides, setting limit gas on keel 4
The positioning backup plate M2 of bottle 2, the bandage component include surrounding the bandage M1 of gas cylinder 2 and being arranged on keel 4 and bandage M1 two
The stud nut secondary M3 of positioning, the gas cylinder 2 is held to form position limiting structure between positioning backup plate M2 and bandage M1；Bandage M1's sets
Set the height of C.G. that height is not less than gas cylinder 2.The present embodiment is floated gas cylinder 2 and hull 1 by the way of bottom and middle part limit
Dynamic positioning, can either move synchronously with hull 1, moreover it is possible to alleviate hull 1 and jolt and wave the impact caused by gas cylinder, realize gas
Effective combination for limiting and swinging at random of bottle 2.The setting height of the bandage M1 is not less than the height of C.G. of gas cylinder 2, with true
The stability that gas cylinder 2 limits is protected, at 0.6 ~ 0.7 times of the preferred bottle height of design height of bandage M1.
The dowel M5 vertical with the keel 4 be set between adjacent two keel 4, the positioning backup plate both ends respectively with institute
It states keel 4 and abutment corresponding with 2 outer wall of the gas cylinder is arranged in dowel M5 positioning, middle part.On the one hand abutment forms
Support to 2 bottle of gas cylinder, on the other hand position backup plate M2 also has certain cushioning effect to gas cylinder.Positioning backup plate M2 makes
The positioning of bandage is more convenient.
Rubber back cushion M4 is set between positioning backup plate M2 and gas cylinder 2 and between bandage M1 and gas cylinder 2, is on the one hand increased
On the other hand frictional force between bandage M1 and gas cylinder 2 forms buffering between gas cylinder 2 and hull 1, have protection to gas cylinder 2
Effect.
The end plug component referring to Fig. 6, structure include with the upper bottleneck 2-2 of gas cylinder 2 it is mating, be equipped with into exhaust through hole
The end plug 2-6 of 2-8 and sewage draining exit 2-7 goes out storekeeper 2-3 with what the end plug 2-6 was connected to, and is arranged on going out storekeeper 2-3
Valve seat 2-5, it is described go out storekeeper 2-3 in the middle part of pass through hatchcover 5-1 and sealed by organ tubular type sealing shroud T1 and hatchcover 5-1.It is described
Go out storekeeper 2-3 to be connected into exhaust through hole 2-8 and sewage draining exit 2-7 using both arms pipe, respectively with described, the valve seat 2-5 is equipped with
Respectively with the air valve door and sewage draining valve being connected into exhaust through hole 2-8 and sewage draining exit 2-7.
The top of gas cylinder 2 is pierced by hatchcover 5-1 by storekeeper 2-3 is gone out, and 2 upper end of gas cylinder is free, and gas cylinder 2 can be allowed free
Expansion or shrinkage reduces constraint of the both ends positioning to gas cylinder 2.It is described go out sealing structure between storekeeper 2-3 and hatchcover there are many,
The sealing structure of the present embodiment is referring to Fig. 7 and Fig. 8：And aperture corresponding with storekeeper 2-3 is gone out is set on the hatchcover 5-1 and relatively goes out storekeeper
2-3 it is big go out compartment, around it is described go out compartment be equipped with boss 5-1-1；Ring convex 2-4, the organ pipe are set on going out storekeeper 2-3
Formula sealing shroud T1 is sleeved between ring convex 2-4 and boss 5-1-1, forms flexible limit and sealing structure.Organ tubular type sealing shroud
T1 can be designed to multilevel hierarchy, and the radian that can be pushed up according to cabin uses organ tubular type sealing shroud T1 not at the same level.
The hull 1 is divided into 3 ~ 6 closed cabins 5 by partition board, and the gas cylinder 2 is in closed cabin 5 by row along hull axis
To arrangement, the handling gas branch pipe 6-7 being connected to upper end plug assembly is collected to the unit remittance tracheae 6-4 among two row gas cylinders, each list
Member remittance tracheae 6-4 is collected to handling gas manifold 6-1 through the areas manifold 6-5 or later half of first half area manifold 6-6 respectively, and the handling gas is total
The both ends of pipe 6-1 extend to 1 both sides of hull, respectively by handling gas seat bend pipe 6-3 with load and unload gas seat 6-2 be connected to.The handling
Air pipe subsystem further includes being separately positioned on unit remittance tracheae 6-4, first half area manifold 6-5, later half area manifold 6-6 and handling
Control valve on gas manifold 6-1, the corresponding output end of the control system connect the control terminal of each control valve respectively.
Each unit remittance tracheae is connected to equipped with pressure guiding pipe with pressure gauge, the phase of the output termination control unit of the pressure gauge
Answer input terminal.The control to each pipeline is realized by pressure signal.
Unit remittance tracheae 6-4 one end closings, in one end installation unit main valve -- the pneumatic ball valve close to thwartship bulkhead, control
Pattern is that inflation is opened, release is closed；Manual/auto conversion equipment is equipped between valve and pneumatic actuator, it can be to valve
Door is manually operated on the spot；Equipped with valve location detection switch, valve can be determined by electric signal opens and closes state.First half
Each unit be aggregated to form first half area manifold 6-5, pass to middle part along cabin top right side, installation first half area main valve-pneumatic ball valve, so
Access handling gas manifold 6-1 afterwards, later half area manifold 6-6 are aggregated to form by latter half of each unit, in cabin top left side passes to
Later half area's main valve-pneumatic ball valve is installed in portion, then access handling gas manifold 6-1, and two valves are equipped with valve location detection
Switch, valve can be determined by electric signal opens and closes state.
Safety discharge valve 9- is respectively set on unit remittance tracheae 6-4, handling gas manifold 6-1 and handling gas seat bend pipe 6-3
6。
The safety discharge valve 9-6 is connected to safety dumping pipeline subsystem, and the safety dumping pipeline subsystem includes
The vertical out-fall pipe 9-1 that is connected to safety discharge valve 9-6, it is arranged above vertical out-fall pipe 9-1 and collects vertical out-fall pipe 9-1
Lateral delivery pipe 9-4, collect longitudinal delivery pipe 9-2 of the lateral delivery pipe 9-4 and be connected to longitudinal delivery pipe 9-2
Vertical out-fall mast 9-3.It is described to be gone back on each unit remittance tracheae 6-4 and be connected to dump valve 9-5, the dump valve
9-5 and safety discharge valve 9-6 is connected to by the pipeline tilted down with the vertical out-fall pipe 9-1 respectively；Vertical out-fall pipe 9-1
It is respectively equipped with drain ball valve with the bottom end of vertical out-fall mast 9-3.Corrosive liquids can be imported vertical row by the pipeline tilted down
It puts in pipe 9-1, pipe is kept to reduce the corrosion to pipeline by the drain ball valve 9-1-1 discharges of the lower ends vertical out-fall pipe 9-1
The cleaning on road.
The safety dumping pipeline is by least one safety discharge valve 9-6 and at least one dump valve 9-5 and dress
The superpressure discharging mechanism and dump mechanism for unloading air pipe system connectivity, forming handling air pipe；The phase of described control unit
The control terminal of termination safety discharge valve 9-6 and dump valve 9-5 should be exported, the dump valve is additionally provided with hand-operated valve.
The longitudinal direction delivery pipe 9-2 and lateral delivery pipe 9-4 is pressed from both sides and is welded on higher than 1.5 ~ 2.5m of hatchcover, by U-tube
Column limit on hatchcover 5；The discharge mast 9-3 is higher than hatchcover 5-15.5 ~ 6.5m, top handicapping firearm and waterproof cover, anti-
Fuel gas detection probe is set at the top of water cover.
When fuel gas detection probe detect discharge masthead at have fuel gas spilling, alarm signal can be sent out to middle control
Room, operator can search dangerous reason, may be safety valve abnormal emission or gas leakage or dump valve gas leakage.
Discharge mast is respectively set in the first half area of the left and right ship side of hull and later half area.Leaking area is locked according to discharge mast,
Further lock leakage point.
The blow down branch 7-2 being connected to blowdown valve 2-5 is also set up on valve seat 2-5, is arranged between two row gas cylinders and is converged
Collect the unit blow-off pipe 7-1 of blow down branch 7-2, by first half area blow-off pipe or later half area's blow-off pipe and each unit blow-off pipe 7-1
The blowdown manifold of connection and the knockout drum being connected to the blowdown manifold, also set up in gas cylinder and extend into 2 bottom of gas cylinder
Portion, the stainless steel tube being connected to blowdown valve.Three-way valve is set on the first half area blow-off pipe 7-4 and later half area's blow-off pipe 7-5,
A wherein branch is connected to and is equipped with blowdown manifold 7-6 pressure-resistant glass tube and mating hand-operated valve, forms blowdown observation circuit.
Pressure-resistant glass tube is resistant to 2 ~ 3MPa pressure below, therefore can be completely cut off high-low pressure using hand-operated valve, only when storage pressure drops
When to authorized pressure, just hand-operated valve is opened, at this point, the knockout drum 7-7 being connected to blowoff line is normal pressure, therefore, profit
The raffinate of gas cylinder bottom can be depressed into knockout drum 7-7 with the residual voltage in gas cylinder.It can be seen by pressure-resistant glass tube 7-8
Examine blowdown situation.
Described control unit includes being arranged in 5 top center channel both sides of hatchcover, the sub-control being correspondingly arranged with gas cylinder subregion
Platform, the sub-control platform are equipped with electric cabinet and pneumatic control cabinet.
In conclusion the CNG cargo ships of the present invention, gas cylinder bottle and pipeline and control system are all provided separately, gas
Bottle is started setting up from hull bottom, and top is pierced by hatchcover by storekeeper is gone out, and bottle is located in closed cabin, and pipeline and control are
System is arranged above hatchcover, improves the safety of CNG Ship Transportations.
Claims (14)
1. a kind of safe and efficient cargo ship gas goods systems of CNG, including hull (1) limit the gas storage unit in hull (1), match
Circuits system and corresponding control unit and servo mechanism, it is characterised in that：The gas storage unit includes being arranged closed
Be in erect straight arranged gas cylinder (2) group in cabin (5), along hull, gas cylinder (2) upper end by upper end plug assembly stretch out closed cabin (5) it
Outside, the mating pipe-line system is real above closed cabin (5), with gas cylinder by means of upper end plug assembly and the setting of controlled pneumatic valve
Existing switching connection, described control unit and its attached manual part and the setting of random detection display unit are above closed cabin (5)
Touring channel both sides；
Wherein, the lower end of the gas cylinder (2) is limited by swing shock absorption mechanism and hull (1) bottom, middle part is by bandage component
It is flexible by the hatchcover (5-1) of the upper end plug assembly and closed cabin (5) with keel (4) the damping limit on hull (1), upper end
Limit；
Wherein, the swing shock absorption mechanism include be threadedly coupled with the lower bottleneck of gas cylinder (2) (2-1), the method with spherical surface boss
Blue (B2), and be welded on gas cylinder pedestal (3), with the mating flange backing ring (B7) of the spherical surface boss；The flange (B2)
It limits on gas cylinder pedestal (3) by the pretightning force bolt (B1) for being set with bumper and absorbing shock component, formed with flange backing ring (B7)
Swing position limiting structure.
2. the safe and efficient cargo ship gas goods systems of CNG according to claim 1, it is characterised in that the bumper and absorbing shock component
Structure include being sleeved in the pretightning force bolt (B1), being separately positioned on the rubber bullet of gas cylinder pedestal (3) upper and lower end face
Spring (B3) and butterfly spring (B5).
3. the safe and efficient cargo ship gas goods systems of CNG according to claim 1, it is characterised in that the flange (B2) with
Lubricating oil is filled between flange backing ring (B7) and is sealed by sealing ring；Sealing filler ring is also covered in pretightning force bolt (B1)
(B4), it is set with the shape for hat sealing shroud (B6) mating with the seal washer (B4) outside butterfly spring (B5).
4. the safe and efficient cargo ship gas goods systems of CNG according to claim 1, it is characterised in that keel (4) connection
Between two ship sides, the positioning backup plate (M2) of setting limit gas cylinder (2) on keel (4), the bandage component includes around gas cylinder
(2) bandage (M1) and setting is secondary (M3) with the stud nut of the both ends bandage (M1) positioning on keel (4), the gas cylinder
(2) position limiting structure is formed between positioning backup plate (M2) and bandage (M1)；The setting height of bandage (M1) is not less than gas cylinder (2)
Height of C.G..
5. the safe and efficient cargo ship gas goods systems of CNG according to claim 4, it is characterised in that adjacent two keel (4) it
Between the dowel (M5) vertical with the keel (4) be set, the positioning backup plate both ends respectively with the keel (4) and dowel
(M5) abutment corresponding with the gas cylinder (2) outer wall is arranged in positioning, middle part；Position backup plate (M2) and gas cylinder (2) between and
Rubber back cushion (M4) is set between bandage (M1) and gas cylinder (2).
6. the safe and efficient cargo ship gas goods systems of CNG according to claim 1, it is characterised in that the upper end plug assembly packet
Include with the upper bottleneck of gas cylinder (2) (2-2) it is mating, be equipped with into exhaust through hole (2-8) and sewage draining exit (2-7) end plug (2-6), with institute
That states end plug (2-6) connection goes out storekeeper (2-3), and the valve seat (2-5) being arranged on going out storekeeper (2-3), it is described go out storekeeper (2-
3) middle part passes through hatchcover (5-1) and is sealed by organ tubular type sealing shroud (T1) and hatchcover (5-1).
7. the safe and efficient cargo ship gas goods systems of CNG according to claim 6, it is characterised in that it is described go out storekeeper (2-3)
It is connected into exhaust through hole (2-8) and sewage draining exit (2-7) using both arms pipe, respectively with described, the valve seat (2-5) is equipped with difference
With the air valve door and sewage draining valve being connected into exhaust through hole (2-8) and sewage draining exit (2-7).
8. the safe and efficient cargo ship gas goods systems of CNG according to claim 6, it is characterised in that on the hatchcover (5-1)
Be arranged and aperture corresponding with storekeeper (2-3) is gone out relatively go out storekeeper (2-3) it is big go out compartment, around it is described go out compartment be equipped with boss (5-
1-1)；Ring convex (2-4) are set on going out storekeeper (2-3), and the organ tubular type sealing shroud (T1) is sleeved on ring convex (2-4) and boss
Between (5-1-1), form flexible limit and sealing structure.
9. the safe and efficient cargo ship gas goods systems of CNG according to claim 6, it is characterised in that the hull (1) by
Partition board is divided into 3~6 closed cabins (5), and the gas cylinder (2) presses row along hull axial arranging, with upper end plug in closed cabin (5)
The handling gas branch pipe (6-7) of component connection is collected to the unit remittance tracheae (6-4) being arranged among two row gas cylinders, each unit remittance gas
Pipe (6-4) is collected to handling gas manifold (6-1), the handling gas through first half area manifold (6-5) or later half area manifold (6-6) respectively
The both ends of manifold (6-1) extend to hull (1) both sides, respectively by handling gas seat bend pipe (6-3) and handling gas seat (6-2) company
It is logical.
10. the safe and efficient cargo ship gas goods systems of CNG according to claim 9, it is characterised in that in unit remittance tracheae (6-
4) controlled pneumatic valve, is respectively set on first half area manifold (6-5), later half area manifold (6-6) and handling gas manifold (6-1),
The corresponding output end of described control unit connects the control terminal of each controlled pneumatic valve respectively.
11. the safe and efficient cargo ship gas goods systems of CNG according to claim 9, it is characterised in that in unit remittance tracheae (6-
4) safety discharge valve (9-6), is respectively set on handling gas manifold (6-1) and handling gas seat bend pipe (6-3).
12. the safe and efficient cargo ship gas goods systems of CNG according to claim 11, it is characterised in that the safety discharge valve
(9-6) is connected to safety dumping pipeline subsystem, and the safety dumping pipeline subsystem includes being connected to safety discharge valve (9-6)
Vertical out-fall pipe (9-1), setting above the vertical out-fall pipe (9-1) and collect the lateral delivery pipe of vertical out-fall pipe (9-1)
(9-4), the longitudinal delivery pipe (9-2) for collecting the lateral delivery pipe (9-4) and be connected to longitudinal delivery pipe (9-2) vertical
It is in line to put mast (9-3).
13. the safe and efficient cargo ship gas goods systems of CNG according to claim 12, it is characterised in that in each unit
Dump valve (9-5) is gone back and is connected on remittance tracheae (6-4), and the dump valve (9-5) and safety discharge valve (9-6) are respectively
It is connected to the vertical out-fall pipe (9-1) by the pipeline tilted down；Vertical out-fall pipe (9-1) and vertical out-fall mast (9-3)
Bottom end be respectively equipped with drain ball valve.
14. the safe and efficient cargo ship gas goods systems of CNG according to claim 7, it is characterised in that on valve seat (2-5) also
The unit that the blow down branch (7-2) being connected to sewage draining valve is set, is arranged between two row gas cylinders and collects blow down branch (7-2)
Blow-off pipe (7-1), the blowdown manifold being connected to each unit blow-off pipe (7-1) by first half area blow-off pipe or later half area's blow-off pipe with
And the knockout drum being connected to the blowdown manifold, it also set up in gas cylinder and extend into gas cylinder (2) bottom, be connected to blowdown valve
Stainless steel tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510348091.2A CN105270569B (en) | 2015-06-23 | 2015-06-23 | A kind of safe and efficient cargo ship gas goods systems of CNG |
| PCT/CN2016/086600 WO2016206581A1 (en) | 2015-06-23 | 2016-06-21 | Safe and efficient cng transport ship gas cargo system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510348091.2A CN105270569B (en) | 2015-06-23 | 2015-06-23 | A kind of safe and efficient cargo ship gas goods systems of CNG |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105270569A CN105270569A (en) | 2016-01-27 |
| CN105270569B true CN105270569B (en) | 2018-09-14 |
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| CN201510348091.2A Active CN105270569B (en) | 2015-06-23 | 2015-06-23 | A kind of safe and efficient cargo ship gas goods systems of CNG |
Country Status (2)
| Country | Link |
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| CN (1) | CN105270569B (en) |
| WO (1) | WO2016206581A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270569B (en) * | 2015-06-23 | 2018-09-14 | 石家庄安瑞科气体机械有限公司 | A kind of safe and efficient cargo ship gas goods systems of CNG |
| CN105083477B (en) * | 2015-06-23 | 2017-05-03 | 石家庄安瑞科气体机械有限公司 | Gas bottle positioning system of CNG transport ship |
| 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 |
| CN206171728U (en) * | 2016-10-28 | 2017-05-17 | 石家庄安瑞科气体机械有限公司 | Sealing device and marshalling unit of CNG transport ship gas cylinder or bottle formula container marshalling unit |
| CN109398602B (en) * | 2017-08-15 | 2021-09-10 | 上海船厂船舶有限公司 | Method for installing high-pressure air bottle assembly for drilling ship |
| CN113928398B (en) * | 2021-11-08 | 2022-08-02 | 中国能源建设集团山西电力建设有限公司 | Flexible fixing method capable of effectively preventing air bottle from shaking during conveying |
| CN114484274A (en) * | 2021-12-02 | 2022-05-13 | 洛阳双瑞特种装备有限公司 | Sea-land dual-purpose large-capacity hydrogen storage container |
| CN115230880B (en) * | 2022-09-22 | 2022-12-23 | 山东京阳科技股份有限公司 | Small-size chemical products transport ship |
| CN116198677B (en) * | 2023-02-06 | 2024-01-26 | 中国船舶科学研究中心 | Integrated device with functions of water filling, water draining, pressure adding and pressure releasing |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105270569A (en) | 2016-01-27 |
| WO2016206581A1 (en) | 2016-12-29 |
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