CN103010615B - Water oil storage device with mooring function and assembly method thereof - Google Patents
Water oil storage device with mooring function and assembly method thereof Download PDFInfo
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- CN103010615B CN103010615B CN201210574949.3A CN201210574949A CN103010615B CN 103010615 B CN103010615 B CN 103010615B CN 201210574949 A CN201210574949 A CN 201210574949A CN 103010615 B CN103010615 B CN 103010615B
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Abstract
The invention relates to a water oil storage device with a mooring function and an assembly method thereof. The oil storage device is characterized by comprising an oil storage tank, a mooring system, an output system and an oil transportation system; the oil storage tank comprises a buoyancy cabin, an oil storage cabin and a ballast cabin which are arranged from top to bottom; a top oil inlet is arranged in the side wall in the upper part of the oil storage cabin, an upper oil baffle is arranged below the top oil inlet, an oil inlet is arranged in the middle part of the upper oil baffle, oil film is connected with the lower part of the oil inlet in a sealing way, and a lower oil baffle is arranged on the lower end of the oil film; a plurality of oil separation interior rings and oil separation external rings are arranged inside and outside the oil film from top to bottom at intervals; a plurality of guide rails are vertically arranged on the bottom of the upper oil baffle, and each guide rail passes through the through hole in each oil separation external ring; a plurality of top water inlets are arranged in the side wall of the oil storage cabin below the upper oil baffle; a plurality of bottom water inlets are arranged in the bottom of the oil storage cabin; the mooring system comprises a mooring buoy connected with the ballast cabin; a plurality of mooring cables are connected with the lower part of the mooring buoy; one end of an oil transportation pipe of the output system passes through the buoyancy cabin and enters into the oil storage cabin, and the other end of the oil transportation pipe is connected with a boat stopping buoy; and one end of an oil transportation pipe of the oil transportation system is connected with a seabed oil extraction system, and the other end of the oil transportation pipe is embedded into the oil storage cabin through the top oil inlet.
Description
Technical field
The present invention relates to a kind of Fuel Tanking Unit and installation method thereof, particularly about a kind of water surface Fuel Tanking Unit and the installation method thereof with mooring function.
Background technology
Along with offshore oil field enters stable yields and decline stage successively, exploitation deep water and marginal oil field imperative.The realistic problem that current China faces is: deepwater offshore is comparatively far away, and relies on without ripe sea-bottom pipe-network, and oil field operation is stronger for the dependence of FPSO; And some isolated marginal oil field scales are less, its simple and easy production platform does not possess again larger oil storage function, and output crude oil relies on sea pipe defeated disembarkation far away not have economy, is therefore necessary to set up marine oil storage facility.Marine oil storage solution during visible exploitation deep water marginal oil field, the exploitation for small deep water marginal oil field will have important engineering practical value.
Current marine oil storage is mainly divided into waterborne, the water surface and three kinds of modes under water.1) oil storage waterborne, namely petrol storage tank is placed on fixed platform, and as chengbei oilfield, this mode oil reserve is little, and construction costs is high, is only applicable to shallow water and the less oil field of output.2) oil storage under water, petrol storage tank is arranged at seabed or under water, as the Gullfahs C concrete platform in the North Sea, because capacity is large, isolated with burning things which may cause a fire disaster thunder and lightning, safety is better, and avoiding the impact of wind and surface wave, under severe sea condition, oil field still can continuous seepage.Its weak point is the requirement of ocean bottom soil characteristic and planeness higher, and when having rock or big rise and fall bottom sea bed, structural safety is difficult to meet the demands, and structural materials consumption is large in addition, and not recyclable, is only applicable to the oil field that reserves are larger; Underwater repair safeguards also there is great difficulty.3) water surface oil storage maneuverability, recyclable, and application is also extensive, but faces three difficulties: one is that crude oil loading and unloading process displacement changes greatly, and needs to adjust ballast at any time, and stability safety also exists hidden danger in addition; Two is according to large waterplane buoyancy aid, then easily by the impact of environmental load, according to deeply absorbing water buoyancy aid, for overcoming the pressure reduction of inside and outside, buoyancy aid need do strengthens structure in a large number, and material usage obviously promotes again; Three is that oil storage chamber contacts with air, and fire prevention is large with anti-riot difficulty; Therefore water surface oil storage needs the difficulties effectively solving above three aspects.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of oil reserve large, security and stability is good, and there is certain fire prevention and explosion prevention function, installation and maintenance are convenient, recyclable, and construction costs is low, are suitable for the wide water surface Fuel Tanking Unit with mooring function of depth of water scope and installation method thereof.
For achieving the above object, the present invention takes following technical scheme: a kind of water surface Fuel Tanking Unit with mooring function, is characterized in that: it comprises petrol storage tank, mooring system, outer communication system and fuel transfer system; Described petrol storage tank comprises buoyancy compartment, oil storage chamber and ballast tank; Described buoyancy compartment is arranged on the top of described oil storage chamber, the diameter of described ballast tank is less than the diameter of described oil storage chamber, described ballast tank is arranged on the bottom of described oil storage chamber, between described buoyancy compartment and described oil storage chamber, and all adopt watertight to weld bulkhead between described ballast tank with described oil storage chamber to be separated by; The upper portion side wall of described oil storage chamber is provided with top oil inlet, oil separating plate is provided with in described oil storage chamber below the oil inlet of described top, the middle part of described upper oil separating plate is provided with fuel feed hole, and the lower seal of described fuel feed hole connects oil film, and the lower end of described oil film is provided with lower oil separating plate; The inside of described oil film is arranged at intervals with some oil removal inner ring up and down, and the outside of described oil film is arranged at intervals with some oil removal outer shrouds up and down; Described oil removal outer shroud is arranged at intervals with some through holes; Oil film circumference interval bottom described upper oil separating plate is vertically provided with some guide rails, and each described guide rail is through the described through hole on oil removal outer shroud described in each; The below of described upper oil separating plate, the sidewall of described oil storage chamber are arranged at intervals with some tops water inlet; Described oil storage chamber bottom interval is provided with some bottoms water inlet; Described mooring system comprises mooring buoy, and the top of described mooring buoy connects described ballast tank by connecting anchor chain; The bottom of described mooring buoy connects some mooring cables, and the end of described mooring cable is provided with grip anchor; Described outer communication system comprises and is arranged on the oil pipe steering knuckle of described buoyancy compartment inner top, the swivel coupling at outer top; Article one, one end of oil transportation hard tube enters into described oil storage chamber inside by described swivel coupling and oil pipe steering knuckle through described buoyancy compartment, and the other end of described oil transportation hard tube connects an outer defeated oil hose, and described outer defeated oil hose connects by ship floating drum; The described ship floating drum that leans on also connects described swivel coupling by mooring fast; Described fuel transfer system comprises oil hose, one end of described oil hose connects seabed production system, the other end connects oil transportation hard tube by described mooring buoy, described oil transportation hard tube is arranged on the outer wall of described oil storage chamber, and the other end of described oil transportation hard tube is inserted in described oil storage chamber by described top oil inlet.
Described buoyancy compartment and oil storage chamber are steel double shells watertight cylinder welded structure, and the external diameter of described buoyancy compartment is corresponding identical with internal diameter with the external diameter of described oil storage chamber with internal diameter; Described ballast tank is individual layer cabin, and described ballast tank is provided with water inlet, and iron block or cement concrete are equipped with in described ballast tank inside.
The top of described buoyancy compartment and the sidewall of described oil storage chamber are provided with manhole; Be provided with hoop crossbeam and radial direction between the bulkhead of described buoyancy compartment to indulge bone and strengthen structure.
Described oil separating plate is metal sheet; The density of described oil removal inner ring and oil removal outer shroud is between water and crude oil.
Described mooring buoy is made up of steel plate and synthetic foam; Described mooring fast is made up of poly-ester fibres; The described sidewall by ship floating drum is provided with anti-collision structure that is wooden or elastomeric material.
Above-mentioned a kind of installation method with the water surface Fuel Tanking Unit of mooring function, it comprises the following steps: the pre-installation 1) completing grip anchor and mooring cable, and mooring cable temporary buoy is fixed; 2), after petrol storage tank has been built, close the bottom water inlet of oil storage chamber, and in oil storage chamber, be filled to half-full state by top water inlet; Then top water inlet is closed; 3) main tugboat and secondary tugboat is adopted to carry out towage to petrol storage tank and mooring buoy; 4) after arriving at place of erection, first installation ship is adopted to carry out the connection of mooring buoy and mooring cable, under the Action of Gravity Field of mooring cable mooring buoy by automatic dive to constant depth, carry out the installation by ship floating drum, mooring fast and outer defeated oil hose afterwards, finally complete the connection of submerged riser; 5) in oil storage chamber, a small amount of crude oil is injected by outer defeated oil hose and oil transportation hard tube, and open top water inlet and the bottom water inlet of oil storage chamber, oil storage chamber continues to sink, until all air are fully drained from top water inlet in oil storage chamber, closes top water inlet; 6) when carrying out oil storage work, crude oil will promote downwards lower oil separating plate, and lower oil separating plate drives oil film slide downward, and seawater is discharged by bottom water inlet; When being in outer defeated operating mode, export tanker docks can carry out mooring and oil transportation with by ship floating drum, and in oil film, crude oil amount reduces, and seawater enters into oil storage chamber from bottom water inlet again, and lower oil separating plate drives oil film upward sliding; 7) when reclaiming operation, employing under-water robot cuts off the connection anchor chain between petrol storage tank and mooring buoy, adopts tugboat to be dragged in dock by petrol storage tank, can complete the repairing of structure and the replacing of oil film.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, petrol storage tank of the present invention comprises the buoyancy compartment of topmost, the ballast tank that the oil storage chamber at middle part and foot are arranged, it is less that petrol storage tank is positioned at part waterborne, make the effect of structure by wind less, and deeply absorb water structure and be also conducive to reducing the impact of wave load.2, the top of oil storage chamber of the present invention is provided with top oil inlet and top water inlet, bottom is provided with bottom water inlet, introduce oil-water displacement process, namely utilize oil-feed draining, the flow process of water inlet oil extraction makes storage tank remain to be full of liquid situation, effectively overcome the impact of free surface, drinking water variable quantity is less, without the need to adjusting ballast, therefore special messenger is not needed to be responsible for nurse, structural focus, all the time below centre of buoyancy, has unconditional stability, can reduce the pressure reduction of inside and outside simultaneously, strengthen structure in a large number without the need to doing, integral material consumption is effectively controlled.3, oil storage chamber of the present invention comprises oil separating plate and lower oil separating plate, oil removal inner ring and oil removal outer shroud, oil film and oil flinger ring guide rail, the use of oil flinger ring and lower oil separating plate, the usable floor area of oil film can be reduced in a large number, in oil storage and outer defeated process, lower oil separating plate fluctuates, and drive oil flinger ring and oil film to slide up and down along oil flinger ring guide rail, adopt oil flinger ring guide rail can retrain the motion of oil film, carry out the stability effectively improving structure in oil and water displacement process.4, mooring system of the present invention adopts semi-constrained form, anchor chain is adopted to be connected between mooring buoy with main body, namely mooring fast need not bear due to the mooring tension force that storage tank drinking water position changes and horizontal pitching motion causes, and the horizontal-shift being only used for controlling storage tank moves.5, cargo tank of the present invention is positioned under water all the time, with air to isolation, has certain fire prevention and explosion prevention function.The present invention is suitable for that depth of water scope is wide, installation and maintenance are convenient, recyclable, and scantling draft is dark, and the impact by environmental load is less; System adopts oil-water displacement process, automatically can adjust ballast, and nurse without the need to special messenger; Oil storage chamber is positioned at below the water surface all the time, and fire prevention is good with anti-riot performance; Mooring system adopts semi-constrained semi-free form, installs simply and easily reclaims; Be highly suitable for the storage of deep water and marginal oil field crude oil and outer defeated.
Accompanying drawing explanation
Fig. 1 is Fuel Tanking Unit inner structure schematic diagram of the present invention
Fig. 2 is oil removal inner ring of the present invention and oil removal outer shroud and oil film connection mode schematic diagram
Fig. 3 is oil removal outer shroud schematic diagram of the present invention
Fig. 4 is oil removal inner ring schematic diagram of the present invention
Fig. 5 is towing condition schematic diagram of the present invention
Fig. 6 is installing condition schematic diagram of the present invention
Fig. 7 is oil storage view of the present invention
Fig. 8 is the outer defeated view of the present invention
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, apparatus of the present invention comprise petrol storage tank, and petrol storage tank comprises one or more buoyancy compartment 1, oil storage chamber 2 and a ballast tank 3; Apparatus of the present invention also comprise a set of mooring system 4, a set of outer communication system 5 and a set of fuel transfer system 6.
As shown in Figure 1, buoyancy compartment 1 of the present invention, oil storage chamber 2 and ballast tank 3 are cylindrical structure, the external diameter of buoyancy compartment 1 is corresponding identical with internal diameter with the external diameter of oil storage chamber 2 respectively with internal diameter, and bulkhead is steel double shells watertight cylinder welded structure, inner plating and lamina rara externa are watertight Plate Welding, ectonexine distance between plates is one meter, and buoyancy compartment 1 is arranged on the top of oil storage chamber 2, adopts watertight welding bulkhead to be separated by between the two.Ballast tank 3 is individual layer cabin, and the diameter of ballast tank 3 is less than the diameter of oil storage chamber 2, and ballast tank 3 is arranged on the bottom of oil storage chamber 2, also adopts watertight to weld bulkhead and be separated by between ballast tank 3 with oil storage chamber 2.
As shown in Figure 1, the top of buoyancy compartment 1 of the present invention has manhole, is provided with hoop crossbeam and radial direction and indulges bone etc. and strengthen structure between the bulkhead of buoyancy compartment 1.
As shown in Figure 1, the upper portion side wall of oil storage chamber 2 of the present invention is provided with top oil inlet 21, oil separating plate 22 is provided with in oil storage chamber 2 below top oil inlet 21, the middle part of upper oil separating plate 22 is provided with fuel feed hole, the lower seal of fuel feed hole connects oil film 23, the crude oil inputted by top oil inlet 21 enters oil film 23, and the lower end of oil film 23 is provided with lower oil separating plate 24.As shown in Figure 1, Figure 2, Figure 3, Figure 4, the inside of oil film 23 is arranged at intervals with some oil removal inner ring 25 up and down, and the outside of oil film 23 is arranged at intervals with some oil removal outer shrouds 26 up and down; Oil removal outer shroud 26 is arranged at intervals with some through hole 27(as shown in Figure 3); The circumferential interval of oil film 23 bottom upper oil separating plate 22 is vertically provided with some guide rails 28, and each guide rail 28 is through the through hole 27 on each oil removal outer shroud 26.Oil film 23 can along oil flinger ring guide rail about 28 fore and aft motion by oil removal outer shroud 26.The below of upper oil separating plate 22, the sidewall of oil storage chamber 2 are arranged at intervals with some tops water inlet 29.Oil storage chamber 2 bottom interval is provided with some bottoms water inlet 210.The sidewall of oil storage chamber 2 has manhole.Oil separating plate 22 is metal sheet, and the density of oil removal inner ring 25 and oil removal outer shroud 26 is between water and crude oil.When being in oil storage state, crude oil will promote lower oil separating plate 24 downwards, and seawater is discharged by bottom water inlet 210; And when being in outer defeated operating mode, in oil film 23, crude oil amount reduces, seawater enters into oil storage chamber 2 from bottom water inlet 210 again, and oil film 23 drives lower oil separating plate 24 upward sliding.
As shown in Figure 1, ballast tank 3 of the present invention is individual layer cabin, is provided with water inlet, is communicated with external sea aqueous phase.Ballast tank 3 volume is little, and what inside filled is iron block or cement concrete, for reducing platform center-of-gravity position.
As shown in Figure 1, mooring system 4 of the present invention comprises mooring buoy 41, and the top of mooring buoy 41 connects ballast tank 3 by connecting anchor chain 42; The bottom of mooring buoy 41 connects some mooring cables 43, and the end of mooring cable 43 is provided with grip anchor 44(as shown in Figure 5).Mooring buoy 41 is made up of steel plate and synthetic foam, and adopt semi-constrained semi-free form, namely in water, the total weight of mooring cable 43 born by mooring buoy 41 under water, and mooring system 4 only retrains the Large travel range level of petrol storage tank to motion, but does not retrain the vertical of petrol storage tank and swing and oscillating motion.The net buoyancy of mooring buoy 41 determined by cable structure, radical, mooring horizontal radiation distance and standpipe suspension section weight, after hanging hawser and standpipe, mooring buoy 41 by self-suspending constant depth in water.
As shown in Figure 1, the outer communication system 5 of the present invention comprises the oil pipe steering knuckle 51 being arranged on buoyancy compartment 1 inner top, the swivel coupling 52 at outer top, article one, one end of oil transportation hard tube 53 enters into oil storage chamber 2 inside by swivel coupling 52 and oil pipe steering knuckle 51 through buoyancy compartment 1, the other end of oil transportation hard tube 53 connects an outer defeated oil hose 54, and outer defeated oil hose 54 connects by ship floating drum 55; Swivel coupling 52 is connected by ship floating drum 55 by mooring fast 56.Wherein mooring fast 56 is made up of poly-ester fibres, and the sidewall by ship floating drum 55 has anti-collision structure that is wooden or elastomeric material.
As shown in Figure 1, fuel transfer system 6 of the present invention comprises oil hose 61, one end of oil hose 61 connects seabed production system, the other end connects oil transportation hard tube 62 by mooring buoy 41, oil transportation hard tube 62 is arranged on the outer wall of oil storage chamber 2, and the other end of oil transportation hard tube 62 is inserted in oil storage chamber 2 by top oil inlet 21.
The installation method of Fuel Tanking Unit of the present invention comprises following steps:
1) as shown in Figure 5, complete the pre-installation of grip anchor 44 and mooring cable 43, mooring cable 43 temporary buoy 7 is fixed afterwards.
2), after petrol storage tank has been built, close the bottom water inlet 210 of oil storage chamber 2, and in oil storage chamber 2, be filled to half-full state by top water inlet 29, in order to increase scantling draft, and improve floating drum stability; Then top water inlet 29 is closed.
3) adopt main tugboat 8 and secondary tugboat 9 pairs of petrol storage tanks and mooring buoy 41 to carry out towage, wherein main tugboat 8 is for providing power, and secondary tugboat 9 is for controlling the distance between petrol storage tank and mooring buoy 41, prevents collision.
4) as shown in Figure 6, after structure arrives at place of erection, first installation ship 10 is adopted to carry out the connection of mooring buoy 41 and mooring cable 43, under the Action of Gravity Field of mooring cable 43 mooring buoy 41 by automatic dive to constant depth, carry out afterwards, by ship floating drum 55, mooring fast 56 and the installation of outer defeated oil hose 54, finally completing the connection of submerged riser.
5) in oil storage chamber 2, a small amount of crude oil is injected by outer defeated oil hose 54 and oil transportation hard tube 53, and open top water inlet 29 and the bottom water inlet 210 of oil storage chamber 2, oil storage chamber 2 continues to sink, until all air are fully drained from top water inlet 29 in oil storage chamber 2, close top water inlet 29.Connection anchor chain 42 now between petrol storage tank and mooring buoy 41 is in relaxed state, and namely now the total weight of mooring cable 43 born by mooring buoy 41 in water, enters operating condition.
6) as shown in Figure 7, carry out state during oil storage work, crude oil will promote lower oil separating plate 24 downwards, and lower oil separating plate 24 drives oil film 23 slide downward, and seawater is discharged by bottom water inlet 210; As shown in Figure 8, and when being in outer defeated operating mode, export tanker 11 docks with by ship floating drum 55 can carry out mooring and oil transportation, in oil film 23, crude oil amount reduces, seawater enters into oil storage chamber 2 from bottom water inlet 210 again, and lower oil separating plate 24 drives oil film 23 upward sliding.
7) when reclaiming operation, employing under-water robot cuts off the connection anchor chain 42 between petrol storage tank and mooring buoy 41, adopts tugboat to be dragged in dock by petrol storage tank, can complete the repairing of structure and the replacing of oil film.
The various embodiments described above are only for illustration of the present invention, and wherein the structure, connection mode etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (8)
1. there is a water surface Fuel Tanking Unit for mooring function, it is characterized in that: it comprises petrol storage tank, mooring system, outer communication system and fuel transfer system; Described petrol storage tank comprises buoyancy compartment, oil storage chamber and ballast tank; Described buoyancy compartment is arranged on the top of described oil storage chamber, the diameter of described ballast tank is less than the diameter of described oil storage chamber, described ballast tank is arranged on the bottom of described oil storage chamber, between described buoyancy compartment and described oil storage chamber, and all adopt watertight to weld bulkhead between described ballast tank with described oil storage chamber to be separated by;
The upper portion side wall of described oil storage chamber is provided with top oil inlet, oil separating plate is provided with in described oil storage chamber below the oil inlet of described top, the middle part of described upper oil separating plate is provided with fuel feed hole, and the lower seal of described fuel feed hole connects oil film, and the lower end of described oil film is provided with lower oil separating plate; The inside of described oil film is arranged at intervals with some oil removal inner ring up and down, and the outside of described oil film is arranged at intervals with some oil removal outer shrouds up and down; Described oil removal outer shroud is arranged at intervals with some through holes; Oil film circumference interval bottom described upper oil separating plate is vertically provided with some guide rails, and each described guide rail is through the described through hole on oil removal outer shroud described in each; The below of described upper oil separating plate, the sidewall of described oil storage chamber are arranged at intervals with some tops water inlet; Described oil storage chamber bottom interval is provided with some bottoms water inlet;
Described mooring system comprises mooring buoy, and the top of described mooring buoy connects described ballast tank by connecting anchor chain; The bottom of described mooring buoy connects some mooring cables, and the end of described mooring cable is provided with grip anchor;
Described outer communication system comprises and is arranged on the oil pipe steering knuckle of described buoyancy compartment inner top, the swivel coupling at outer top; Article one, one end of oil transportation hard tube enters into described oil storage chamber inside by described swivel coupling and oil pipe steering knuckle through described buoyancy compartment, and the other end of described oil transportation hard tube connects an outer defeated oil hose, and described outer defeated oil hose connects by ship floating drum; The described ship floating drum that leans on also connects described swivel coupling by mooring fast;
Described fuel transfer system comprises oil hose, one end of described oil hose connects seabed production system, the other end connects oil transportation hard tube by described mooring buoy, described oil transportation hard tube is arranged on the outer wall of described oil storage chamber, and the other end of described oil transportation hard tube is inserted in described oil storage chamber by described top oil inlet.
2. a kind of water surface Fuel Tanking Unit with mooring function as claimed in claim 1, it is characterized in that: described buoyancy compartment and oil storage chamber are steel double shells watertight cylinder welded structure, the external diameter of described buoyancy compartment is corresponding identical with internal diameter with the external diameter of described oil storage chamber with internal diameter; Described ballast tank is individual layer cabin, and described ballast tank is provided with water inlet, and iron block or cement concrete are equipped with in described ballast tank inside.
3. a kind of water surface Fuel Tanking Unit with mooring function as claimed in claim 1, is characterized in that: the top of described buoyancy compartment and the sidewall of described oil storage chamber are provided with manhole; Be provided with hoop crossbeam and radial direction between the bulkhead of described buoyancy compartment to indulge bone and strengthen structure.
4. a kind of water surface Fuel Tanking Unit with mooring function as claimed in claim 2, is characterized in that: the top of described buoyancy compartment and the sidewall of described oil storage chamber are provided with manhole; Be provided with hoop crossbeam and radial direction between the bulkhead of described buoyancy compartment to indulge bone and strengthen structure.
5. a kind of water surface Fuel Tanking Unit with mooring function as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described oil separating plate is metal sheet; The density of described oil removal inner ring and oil removal outer shroud is between water and crude oil.
6. a kind of water surface Fuel Tanking Unit with mooring function as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described mooring buoy is made up of steel plate and synthetic foam; Described mooring fast is made up of poly-ester fibres; The described sidewall by ship floating drum is provided with anti-collision structure that is wooden or elastomeric material.
7. a kind of water surface Fuel Tanking Unit with mooring function as claimed in claim 5, is characterized in that: described mooring buoy is made up of steel plate and synthetic foam; Described mooring fast is made up of poly-ester fibres; The described sidewall by ship floating drum is provided with anti-collision structure that is wooden or elastomeric material.
8. as described in any one of claim 1 ~ 7, have an installation method for the water surface Fuel Tanking Unit of mooring function, it comprises the following steps:
1) complete the pre-installation of grip anchor and mooring cable, mooring cable temporary buoy is fixed;
2), after petrol storage tank has been built, close the bottom water inlet of oil storage chamber, and in oil storage chamber, be filled to half-full state by top water inlet; Then top water inlet is closed;
3) main tugboat and secondary tugboat is adopted to carry out towage to petrol storage tank and mooring buoy;
4) after arriving at place of erection, first installation ship is adopted to carry out the connection of mooring buoy and mooring cable, under the Action of Gravity Field of mooring cable mooring buoy by automatic dive to constant depth, carry out the installation by ship floating drum, mooring fast and outer defeated oil hose afterwards, finally complete the connection of submerged riser;
5) in oil storage chamber, a small amount of crude oil is injected by outer defeated oil hose and oil transportation hard tube, and open top water inlet and the bottom water inlet of oil storage chamber, oil storage chamber continues to sink, until all air are fully drained from top water inlet in oil storage chamber, closes top water inlet;
6) when carrying out oil storage work, crude oil will promote downwards lower oil separating plate, and lower oil separating plate drives oil film slide downward, and seawater is discharged by bottom water inlet; When being in outer defeated operating mode, export tanker docks can carry out mooring and oil transportation with by ship floating drum, and in oil film, crude oil amount reduces, and seawater enters into oil storage chamber from bottom water inlet again, and lower oil separating plate drives oil film upward sliding;
7) when reclaiming operation, employing under-water robot cuts off the connection anchor chain between petrol storage tank and mooring buoy, adopts tugboat to be dragged in dock by petrol storage tank, can complete the repairing of structure and the replacing of oil film.
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| CN104573259A (en) * | 2015-01-22 | 2015-04-29 | 华南理工大学 | Marine riser lateral vibration PD control simulation method |
| CN107939970B (en) * | 2017-11-30 | 2023-11-03 | 惠生（南通）重工有限公司 | FLNG ship mooring sealing device and implementation method |
| CN108945856A (en) * | 2018-07-19 | 2018-12-07 | 中国海洋石油集团有限公司 | A kind of flexible folding oil and water displacement oil storage system |
| CN108657669B (en) * | 2018-07-20 | 2023-05-30 | 交通运输部科学研究院 | Offshore oil stain storage device and use method |
| CN113247196A (en) * | 2021-06-10 | 2021-08-13 | 北京丰润铭科贸有限责任公司 | Large-scale formula marine floating oil tank of inserting of piecing together |
| CN113232791A (en) * | 2021-06-25 | 2021-08-10 | 西南石油大学 | Underwater large-scale oil-water replacement oil storage and discharge method suitable for offshore oil development |
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| US4231873A (en) * | 1977-09-06 | 1980-11-04 | Swigger Michael P | Underwater liquid containment system |
| CN86105666A (en) * | 1985-06-17 | 1987-04-08 | 希坦克国际公司 | A kind of container that in water, stores flow media |
| CN101723151A (en) * | 2008-10-11 | 2010-06-09 | 江苏省电力公司如皋市供电公司 | Portable oil storage barrel |
| CN101665181A (en) * | 2009-09-16 | 2010-03-10 | 天津大学 | Large-scale oil storage unit applicable to shallow sea area and installation and oil storage methods thereof |
| CN203094846U (en) * | 2012-12-26 | 2013-07-31 | 中国海洋石油总公司 | Water oil storage device with mooring function |
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| CN103010615A (en) | 2013-04-03 |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |