CN204756447U - CNG transport ship loading and unloading gas pipe -line system - Google Patents
CNG transport ship loading and unloading gas pipe -line system Download PDFInfo
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- CN204756447U CN204756447U CN201520432465.4U CN201520432465U CN204756447U CN 204756447 U CN204756447 U CN 204756447U CN 201520432465 U CN201520432465 U CN 201520432465U CN 204756447 U CN204756447 U CN 204756447U
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- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000008520 organization Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 74
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 239000003345 natural gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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Abstract
The utility model discloses a CNG transport ship loading and unloading gas pipe -line system, include and realize logical, disconnected matching line and the the control unit who is connected with the help of plug assembly on the controlled pneumatic valve gentleness bottle and gas cylinder, matching line and the control unit are whole to be set up on the cabin cover of gas cylinder storage cabin, supporting the control unit 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 handling air pipe 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 handling air pipe system, on its hatchcover pipe-line system being arranged on gas cylinder closed cabin, be provided separately with gas cylinder bottle, 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 handling air pipe system, comprise and realize supporting pipeline that switching is connected and control unit by controlled pneumatic valve and gas cylinder upper end plug assembly and gas cylinder, described supporting pipeline and control unit are all arranged on the hatchcover of gas cylinder storage cabin, supporting control unit and have the touring passage both sides of organization establishes at hatchcover of attached manual part and random detection display unit.
Described upper end plug assembly comprises and to be tightly connected with the upper whorl of bottleneck of gas cylinder and to be provided with the end plug body of air inlet/outlet, to be communicated with described end plug body and to pass going out storekeeper and being arranged on out the handling air valve that storekeeper is communicated with air inlet/outlet of hatchcover; Supporting pipeline is communicated with gas cylinder by handling air valve.
Described supporting pipeline comprise be communicated with handling air valve handling gas branch pipe, to be arranged between two row gas cylinders and to collect the unit loading and unloading gas branch pipe and converge tracheae, first half district house steward, later half district house steward and load and unload gas house steward; Described each unit remittance tracheae is communicated with handling gas house steward through first half district house steward or later half district house steward, and the two ends of handling gas house steward extend to hull both sides, are communicated with handling gas seat by handling gas bend pipe respectively.
In technique scheme, handling air pipe system is all arranged on outside gas cylinder closed cabin, isolate with the gas cylinder arranged belowdecks and arrange, on the one hand, the space that tubes rows cloth is arranged is comparatively large, is convenient to pipeline arrangement, simultaneously, pipeline is arranged on above hatchcover, control unit is arranged on touring passage both sides, 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.
The beneficial effect adopting technique scheme to produce is: handling air pipe is arranged on outside gas cylinder closed cabin 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 converges tracheae and adopts random self-adapting type support spacing between two row gas cylinders, makes pipeline and gas cylinder servo-actuated, eliminates the relative displacement of unit remittance tracheae and gas cylinder upper end plug as far as possible, avoid the fatigue failure of pipeline; (3) tubes rows cloth of the present utility model is reasonable in design, be convenient to quick despatch gas, simple for structure, be convenient to safeguard and maintenance and centralized control, in further improved plan, be provided with the emergency drain of handling gas and arrange vent valves, improving seaborne Security.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram that the utility model handling air pipe is arranged outward at closed cabin;
Fig. 2 is the side-looking structural representation of Fig. 1, and wherein gas cylinder is perspective structure;
Fig. 3 is the local pipeline structure schematic diagram along ship axial arranging in Fig. 1;
Fig. 4 is the local pipeline structure schematic diagram along the arrangement of ship radial direction in Fig. 1;
Fig. 5 is the plan structure schematic diagram loading and unloading air pipe in Fig. 4;
Fig. 6 is the main TV structure schematic diagram of random self-adapting type support in Fig. 4;
Fig. 7 is the plan structure schematic diagram of Fig. 6;
Wherein, 2, gas cylinder, 2-2, upper bottleneck, 2-3, go out storekeeper, 2-4, supporting disk, 2-5, handling air valve, 2-8, defining flange, 5, gas cylinder closed cabin, 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, 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-type dunnage, 8-8, first stiffening rib, 9-1, safety dumping pipe, 9-5, emergency drain valve, 9-6, safety discharge valve.
Embodiment
See Fig. 1 and Fig. 2, CNG cargo ship handling air pipe system of the present utility model, comprise and realize supporting pipeline that switching is connected and control unit by controlled pneumatic valve and gas cylinder upper end plug assembly and gas cylinder 2, described supporting pipeline and control unit are all arranged on the hatchcover 5-1 of gas cylinder storage cabin, supporting control unit and have the touring passage both sides of organization establishes at hatchcover 5-1 of attached manual part and random detection display unit.The key point of this embodiment is: 1. by upper end plug assembly, the valve seat be connected with pipeline is stretched out hatchcover 5, hatchcover is equivalent to upper deck, upper deck arranges pipeline, space is larger on the one hand, be convenient to pipeline arrange, safeguard and maintenance, the rock gas of pipeline leakage can not leak in cabin on the other hand, improves the Safety performance of CNG ship; 2. by random self-adapting type support by spacing for the valve seat of pipeline and gas cylinder, formed and the servo-actuated structure of bottle, reduce pipeline and bottle relative movement and cause pipeline fatigue failure.
See Fig. 3 and Fig. 4, described upper end plug assembly comprises and to be connected with the upper bottleneck 2-2 thread seal of gas cylinder 2 and to be provided with the end plug body of air inlet/outlet, to be communicated with described end plug body and to pass going out storekeeper 2-3 and being arranged on out the handling air valve 2-5 that storekeeper 2-3 is communicated with air inlet/outlet of hatchcover 5-1; Supporting pipeline is communicated with gas cylinder 2 by handling air valve 2-5.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, and 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, is set with organ tubular type stuffing box gland T1 between supporting disk 2-4 and boss 5-1-1.
Described supporting pipeline comprise be communicated with handling air valve 2-5 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 bend pipe respectively.Described controlled pneumatic valve is separately positioned on unit and converges 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 unit connects the control end of each controlled pneumatic valve respectively.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.
Each unit converge tracheae 6-4 by 2 ~ 5 random self-adapting type supports 8 be erected at above hatchcover 5 go out storekeeper 2-3 on, formation and the servo-actuated pipeline structure of gas cylinder.
See Fig. 5 ~ Fig. 7, described in go out storekeeper 2-3 middle and upper part and be provided with supporting disk 2-4 and defining flange 2-8; Described random self-adapting type support 8 is erected between the relative gas cylinder group of two row gas cylinders, 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.
It is upper and be connected to safety discharge valve 9-6 and emergency drain valve 9-5, form superpressure respectively and discharge and emergency drain mechanism that each unit converges tracheae 6-4.Safety discharge valve 9-6 is communicated with safety dumping pipe 9-1 by downward-sloping pipeline with emergency drain valve 9-5, the corrosive liquid direction of flow safety dumping pipe in such pipeline, is discharged by the ball valve being arranged on safety dumping pipe lower end, to ensure the clean of pipeline.
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.
In sum, handling air pipe is arranged on the top of gas cylinder closed cabin 5 by upper end plug assembly, and it is spacing by random self-adapting type support and gas cylinder 2 that the unit that wherein soldering opening is intensive converges tracheae, pipeline effectively can be avoided tired, ensure the Security of loading and unloading gas.
Claims (9)
1. a CNG cargo ship handling air pipe system, comprise and realize supporting pipeline that switching is connected and control unit by controlled pneumatic valve and gas cylinder upper end plug assembly and gas cylinder (2), it is characterized in that: described supporting pipeline and control unit are all arranged on the hatchcover (5-1) of gas cylinder storage cabin, supporting control unit and there are 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 according to claim 1 handling air pipe system, it is characterized in that described upper end plug assembly comprise to be connected with upper bottleneck (2-2) thread seal of gas cylinder (2) and be provided with the end plug body of air inlet/outlet, be communicated with described end plug body and pass hatchcover (5-1) go out storekeeper (2-3) and be arranged on out storekeeper (2-3) to go up the handling air valve (2-5) be communicated with air inlet/outlet; Supporting pipeline is communicated with gas cylinder (2) by handling air valve (2-5).
3. CNG cargo ship according to claim 2 handling air pipe system, it is characterized in that described supporting pipeline comprise be communicated with handling air valve (2-5) 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 bend pipe respectively.
4. CNG cargo ship according to claim 3 handling air pipe system, it is characterized in that each unit converge tracheae (6-4) by 2 ~ 5 random self-adapting type supports (8) be erected at hatchcover (5) top go out storekeeper (2-3) upper, formed and pipeline structure that gas cylinder is servo-actuated.
5. CNG cargo ship handling air pipe system according to claim 3, it is characterized in that described controlled pneumatic valve is separately positioned on unit and converges 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), the corresponding output end of described control unit connects the control end of each controlled pneumatic valve respectively.
6. CNG cargo ship handling air pipe system according to claim 4, goes out storekeeper (2-3) middle and upper part and is provided with supporting disk (2-4) and defining flange (2-8) described in it is characterized in that; Described random self-adapting type support (8) is erected between the relative gas cylinder group of two row gas cylinders, 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.
7. CNG cargo ship handling air pipe system according to claim 6, 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).
8. CNG cargo ship handling air pipe system according to claim 2, is characterized in that each unit remittance tracheae (6-4) is gone up and is connected to safety discharge valve (9-6) and emergency drain valve (9-5), the respectively discharge of formation superpressure and emergency drain mechanism.
9. CNG cargo ship handling air pipe system according to claim 2, is characterized in that 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432465.4U CN204756447U (en) | 2015-06-23 | 2015-06-23 | CNG transport ship loading and unloading gas pipe -line system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520432465.4U CN204756447U (en) | 2015-06-23 | 2015-06-23 | CNG transport ship loading and unloading gas pipe -line system |
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| CN204756447U true CN204756447U (en) | 2015-11-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398602A (en) * | 2017-08-15 | 2019-03-01 | 上海船厂船舶有限公司 | The installation method of high pressure air bottle component for drill ship |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398602A (en) * | 2017-08-15 | 2019-03-01 | 上海船厂船舶有限公司 | The installation method of high pressure air bottle component for drill ship |
| 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 |
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