CN203475911U - Maritime liquid repository - Google Patents
Maritime liquid repository Download PDFInfo
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- CN203475911U CN203475911U CN201320521852.6U CN201320521852U CN203475911U CN 203475911 U CN203475911 U CN 203475911U CN 201320521852 U CN201320521852 U CN 201320521852U CN 203475911 U CN203475911 U CN 203475911U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
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Abstract
The utility model discloses a maritime liquid repository which is fixedly disposed on a seabed. The liquid repository at least comprises a pot dyke which is formed by the arrangement of at least two monomer pots. Each monomer pot is formed by the arrangement of a unit pot or at least two unit pots. Each unit pot at least comprises a liquid-storage cabin and a ballast tank for replacing seat water. The bottom of each monomer pot is located on the seabed. At least a part of the tops of the unit pots are higher than the sea surface. The monomer pots are sequentially arranged to form the pot dyke. The liquid repository also comprises a base structure, an accessory structure, and a storage and convey production facility. The storage and convey production facility comprises a liquid-storage efflux pump and a seawater unloading pump which are disposed in the interiors of all unit pots or in the water outside the unit pots. The liquid repository provided by the utility model can store crude oil, LNG and other liquid, and has functions of a breakwater and a wharf.
Description
related application
The priority of the PCT International Application PCT/CN2012/082451 of the utility model application requirement 29 propositions September in 2012, its full content is hereby incorporated by.
Technical field
The utility model relates to a kind of fixed offshore liquid storage and handling facility, relates in particular to a kind of the have large-scale offshore oil of mole and function terminal and the warehouse of liquefied natural gas.
Background technology
Strategic oil inventory is the Important Action that each main oil importers guarantees domestically produced energy safety.Liquid storage storehouse, as oil reserve storehouse, liquefied natural gas (english abbreviation: LNG) accumulating terminal is mostly built in land.Only have in the world Japan to build two oil reserve storehouses at sea, be floating, reserves are respectively 5,000,000 sides and 4,500,000 sides.These two floating warehouses all also form by the steel ultra-large type oil storage barge linking together by many, and its construction and Operation and Maintenance expense are very high.China builds oil reserve storehouse according to plan by stages by land, and wherein first stage of the project puts into operation.Overwhelming majority dependence mammoth tanker sea-freight import due to China's Imported oil.Therefore, building the offshore oil warehouse tool with function terminal is of great significance.For this reason, National Energy Board once organized the scheme of units concerned's research offshore oil warehouse.Wherein, the scheme that attention rate is higher is: adopt many large-scale oil barges of the special use of newly making or second-hand very large crude-oil carrier (english abbreviation: VLCC), be fixed ballast (as iron ore) at the bilge, make it sit the scheme at the end at sea bed.There are problems in the Technical Economy of this scheme, is difficult to adopt; Wherein topmost problem is that the based process expense of sea bed is high, the difficulty of the depressed place of the every twice-a-decade of oil tanker inspection is very large.
In order to solve the shortcomings such as existing underwater wet-type oil storage and dry type oil storage contaminated environment, Operating Weight change greatly, the applicant is in the Chinese invention patent of previously application " fluid storage, handler and take it as basic offshore drilling and production facility " (Chinese Patent Application No.: 200980111045.3), disclosed a kind of underwater oil storage flow process, i.e. airtight pressure communication formula ballast seawater and liquid storage constant specific mass flow replacement process.Liquid storage cabin and the seawater ballast tank of this flow process are airtight, the nitrogen of the top preliminary filling certain pressure of two cabin liquid, and nitrogen becomes same pressure system by pipeline and the valve connection at two tops, cabin; In two cabins, the liquid in any cabin is discharged, and another cabin such as must have to flow at the another kind of liquid of quality, constant to guarantee the Operating Weight of liquid storage system in the process of handling.The function one of airtight nitrogen with pressure is the coating gas as liquid top, the 2nd, between two kinds of liquid, realize the transmission of pressure energy.Nitrogen neither needs to supplement in the process of system handling, also not externally discharge.The constant specific mass flow displacement of flow process links to realize by relevant loading pump and output pump conventionally.This patent application is for the large feature of combined type liquid storage ullage volume of compartment in described flow process, and tank body adopts concrete constructions, has both brought into play the advantage of concrete structure, has avoided again concrete structure from great shortcoming; Meanwhile, the marine fixation means for adopting described flow process, has proposed the scheme of " little weight is under water sat the end, relies on the member antiskid of stake and so on to move, overturning or slip resistance analysis, and facility is fixed on sea bed ".So-called " little weight is under water sat the end " refers to that the Operating Weight of facility is equal to or greater than the buoyancy of design water level condition lower device, thus basic neutralisation the adverse effect of buoyant of sea water to facility.
The difficult problem storing under water in order to solve LNG, the applicant is at the patent of invention " constant specific mass flow replacement process and the multifunctional offshore bases of ballast seawater and liquefied natural gas or liquefied petroleum gas " of previously application (number of patent application: 200980134193.7), disclosed a kind of underwater storage liquefied natural gas (english abbreviation: LNG) and liquefied petroleum gas (english abbreviation: LPG) flow process.LNG in the seawater of the seawater ballast tank in the storage tank of this flow process and LNG or LPG storage tank or LPG realize constant specific mass flow displacement in cargo handling process, constant to guarantee system Operating Weight.The constant specific mass flow displacement of flow process normally links to realize by relevant loading pump and output pump.In the process of handling, the saturated gas of LNG or LPG storage pot liquid top from or return to the diverse location of multi-functional base top facility flow process, seawater ballast tank internal sea side's waterborne gas from or return to the diverse location of top facility flow process upstream, multi-functional base.
Above-mentioned two patent applications relate to storage, the handler of offshore oil natural gas, and take described device be basis, there is floating and fixed facility that comprehensive function was produced, stored in drilling well, petroleum gas; But, for storing the liquid such as crude oil, LNG, thering is again the large-scale marine warehouse of mole and function terminal, above-mentioned two patent applications all do not propose feasible solution.
The difficult problem storing under water in order to solve LNG, Norwegian is at patent of invention " for top and the method thereof that stores and the unload " (PCT/N02005/000383 of PCT international application, 2005.10.4) in, a kind of equipment of harbour facilities form has been described, for storing, loading and unloading oil product or liquefied natural gas at sea.These harbour facilities (100) comprise a plurality of that by steel or concrete, made and be placed in the unit (90) of seabed (80), these unit (90) placed separately upper in sea bed (80), each other at a distance of a determining deviation; The relevant parameter of the wave that this spacing slackens as required or limits, determine as wavelength, wave height and cycle etc.Harbour facilities (100) therefore can slacken a part of incoming wave, and allow that other wave passes harbour facilities (100).Because LNG ship (50) mooring is in the inner side of harbour facilities (100), therefore reduced the effect of wave for LNG ship (50).As mentioned above, this invention can only slacken and limit the specific wave of sub-fraction can not pass through harbour facilities (100), reduces this part wave for the effect of LNG ship (50); But all the other waves still can and act on LNG ship (50) by harbour facilities (100).In other words, the harbour facilities of this invention can not play the effect of mole or wave wall, can not protect LNG ship not to be subject to the direct effect of wave completely.
Prior art:
30-base; 40-base; 50-LNG ship; The 60-backplate that berths; 80-seabed; 90-unit; 100-harbour facilities.
The utility model
1-warehouse; 2-tank dike; 3-accumulating production facility; The channel design of 4-operation, maintenance and transportation; 5-ships that transport is alongside structure and job platform; 6-transportation tanker; The 7-water surface; The long stake of 8-set of monomers tank; 9-set of monomers tank; 10-operation horizontal director stake; 11-sea bed plane; 12-unit tank; 13-seam filler; 14-replaces seawater ballast tank; 15-liquid storage cabin; Pot type fluid reservoir (horizontal) in 16-tank; The fixed ballast of 17-gravity type foundation; 18-antislide pile.
Utility model content
The purpose of this utility model is to provide and a kind ofly can stores the liquid such as crude oil, LNG or any industrial liquid raw material, industrial liquid product, has again the marine liquid storage storehouse of mole and function terminal.
For achieving the above object, the utility model proposes a kind of marine liquid storage storehouse, be fixedly arranged on sea bed, described marine liquid storage storehouse at least comprises: tank dike, by at least two set of monomers tank close-packed arrays, formed, described in each, set of monomers tank consists of a unit tank or is arranged and formed by least two unit tanks, described unit tank at least comprises a liquid storage cabin and a displacement seawater ballast tank, the bottom of described set of monomers tank is seated on sea bed, described at least a portion, the top of unit tank exceeds seawater face, at least two described set of monomers tanks form a continuous embankment wall from bottom to top, keep out the wave from sea one side, foundation structure and accessory structure, described in each, set of monomers tank is fixed on sea bed by described foundation structure, and described accessory structure is fastened on described set of monomers tank, accumulating production facility, comprises liquid storage output pump and seawater de-ballast pump, and described liquid storage output pump and described seawater de-ballast pump are arranged at described in each inner or tank outside, described unit of unit tank under water.
Marine liquid storage as above storehouse, wherein, described foundation structure is pile type foundation, and described pile type foundation is some long stakes that are connected and fixed on set of monomers tank outside described in each and squeeze into sea bed, or is connected and fixed on the suction pile of set of monomers pot bottom described in each and injection sea bed.
Marine liquid storage as above storehouse, wherein, described foundation structure is gravity type foundation, described gravity type foundation is the fixed ballast that is arranged on described set of monomers tank inner bottom part; Or described unit tank also comprises the permanent ballast tank that is arranged at unit pot bottom, described gravity type foundation is the fixed ballast (as iron ore) being arranged in described permanent ballast tank; The object of fixed ballast is the weight that greatly increases set of monomers tank, relies on weight that set of monomers tank is stably seated on sea bed.
Further, as a kind of optional embodiment of the present invention, described foundation structure is the combination of described pile type foundation and described gravity type foundation.
Marine liquid storage as above storehouse, wherein, described set of monomers tank is by a plurality of unit tank the profile that honeycomb arrangement forms rectangle, hexagon or swallow-tail form.
Marine liquid storage as above storehouse, wherein, described tank dike by a plurality of described set of monomers tanks side by side be the linear alignment, form the square shape of in-line, L shaped, U-shaped, V-arrangement or a side opening.
Marine liquid storage as above storehouse, wherein, the seam between adjacent described set of monomers tank is filled by filler.
Marine liquid storage as above storehouse, wherein, the unit tank in described set of monomers tank is pot type fluid reservoir in vertical type fluid reservoir or tank.
Marine liquid storage as above storehouse, wherein, the side of described tank dike towards sea is outside, and a side in sea is inner side and forms sheltered waters dorsad, and the inner side along described tank dike in described sheltered waters is separately provided with a plurality of set of monomers tanks; Outside at described tank dike has additional a plurality of set of monomers tanks in underwater of diving along described tank dike.
Marine liquid storage as above storehouse, wherein, is provided with accessory structure in the inner side of described tank dike, and described accessory structure comprises that ships that transport is alongside structure and job platform and channel design.
Marine liquid storage as above storehouse, in order to increase the berth of liquid transporting boats and ships, can, in the inner side of multi-form warehouse (forming a side of sheltered waters), increase the protruding dike of building perpendicular to tank wall.
Marine liquid storage as above storehouse, wherein, described unit tank adopts concrete or steel to build.Described concrete comprises steel concrete, prestressed concrete, steel reinforced concrete, steel plate concrete (BI-STEEL) or fibre reinforced concrete, etc.
Compared with prior art, the utlity model has following characteristics and advantage:
1, with above-mentioned " for top and the method thereof that stores and unload " (PCT/N02005/000383,2005.10.4) compare, of the present utility modelly by the set of monomers tank on sea bed at the bottom of a plurality of seats, sequentially arrange the tank embankment structure forming, there is mole function, make the present invention can store the liquid such as crude oil, LNG or any industrial liquid raw material, industrial liquid product, there is again the effect of anti-ripple.
The passage of 2, the utility model operation, maintenance and transportation is arranged on the tank top, inner side of set of monomers tank, exceeds the water surface, is convenient to operation, maintenance and transportation; Liquid transporting boats and ships be alongside structure and job platform near the outside of passage, there is function terminal.
A plurality of set of monomers tanks are installed on the sea bed of the sheltered waters that 3, the utility model lowers greatly in the effect of wave separately, have been increased the capacity of warehouse; Along on the sea bed in the outside of tank dike, a plurality of tanks of set of monomers being under water installed separately, not only increased the capacity of warehouse, and there is the unrestrained effect that disappears.
4, compare the advantages such as the utility model offshore oil warehouse has that cost is low, operating cost is low, reliable high, the safety and environmental protection of system and long service life with existing offshore floating type oil reserve storehouse.
Accompanying drawing explanation
Accompanying drawing described here is only for task of explanation, and is not intended to limit by any way the utility model scope of disclosure.In addition, the shape of each parts in figure and proportional sizes etc. are only schematically, for helping understanding of the present utility model, are not shape and the proportional sizes that specifically limits each parts of the utility model.Those skilled in the art, under instruction of the present utility model, can select various possible shapes and proportional sizes to implement the present invention as the case may be.
Fig. 1 is the floor map of prior art " for top and the method thereof that stores and unload ";
Fig. 2 is the floor map that the marine liquid storage of the utility model storehouse is the square shape of a side opening;
Fig. 3 is the structural representation of an embodiment of the A-A section of Fig. 2;
Fig. 4 is the structural representation of another embodiment of the A-A section of Fig. 2;
Fig. 5 is the floor map of pot type fluid reservoir (horizontal) combination in a plurality of rectangle set of monomers tank of the present utility model and tank;
Fig. 6 is the B-B generalized section of Fig. 5;
Fig. 7 is the floor map of hexagon of the present utility model and the combination of swallow-tail form set of monomers tank.
Description of reference numerals:
The specific embodiment
With the description of the utility model specific embodiment, can more be well understood to details of the present utility model by reference to the accompanying drawings.But the specific embodiment of the present utility model described here,, for explaining the purpose of this utility model, is only to restriction of the present utility model and can not be understood as by any way.Under instruction of the present utility model, technician can conceive based on possible distortion arbitrarily of the present utility model, and these all should be regarded as belonging to scope of the present utility model.
The utility model proposes a kind of marine liquid storage storehouse, be fixedly arranged on sea bed, described marine liquid storage storehouse at least comprises: tank dike, foundation structure and accessory structure, accumulating production facility.Wherein: tank dike is arranged and formed by least two set of monomers tanks, described in each, set of monomers tank is formed by a unit tank or at least two arrangements, unit tank at least comprises a liquid storage cabin and a displacement seawater ballast tank, the bottom of set of monomers tank is seated on sea bed, wherein the top of at least a portion unit tank exceeds seawater face, set of monomers tank successively close-packed arrays forms " embankment wall " of continuous tank dike from bottom to top, keep out the wave from sea one side, make the present invention there is the function of mole, overcome the shortcoming of prior art PCT/N02005/000383.Foundation structure and accessory structure, each set of monomers tank is fixed on sea bed by foundation structure, and the environmental load that set of monomers tank bears and operation load are passed to sea bed basis by foundation structure.Foundation structure comprises that pile type foundation, gravity type foundation and stake formula add gravity type foundation.Adopt the Operating Weight of the set of monomers tank of pile type foundation to equal or be slightly larger than the buoyancy of tank body when design water level, adopt little weight under water to sit the end, now pile type foundation major function is that opposing wind, wave and action of ocean current move and overturning or slip resistance analysis in horizontal force, the antiskid of described set of monomers tank; Gravity type foundation, except the function of above-mentioned pile type foundation, also needs to bear gravitational load.Pile type foundation structure comprises long stake and suction pile.Accessory structure be fastened on set of monomers tank for boats and ships be alongside operation, make the present invention there is the function of harbour.Accumulating production facility, the liquid storage loading pump and the seawater de-ballast pump that comprise the liquid storage output pump of interlock and seawater ballast pump, interlock, thereby realized the marine constant specific mass flow displacement of liquid storage and ballast, constant to guarantee the Operating Weight of warehouse set of monomers tank in the process of liquid storage handling operation.For this reason, liquid storage output pump and the constant specific mass flow run-in synchronism (interlock) of displacement ballast seawater loading pump palpus, liquid storage front pump and displacement ballast seawater de-ballast pump also must constant specific mass flow run-in synchronisms (interlock).The pump group of interlock can be by technical measures such as speed governing, to guarantee that any liquid flows into set of monomers tank, the another kind of liquid of quality such as must have to flow out from set of monomers tank.Accumulating production facility also comprises other process facility and communal facilities.Liquid storage output pump and seawater de-ballast pump are arranged at unit tank inside or tank outside, unit under water, and the miscellaneous equipment of accumulating production facility is arranged on the top of described set of monomers tank.
Liquid storage described in the utility model is crude oil, LNG or any industrial liquid raw material, industrial liquid product.Therefore, the utility model liquid storage storehouse can store the liquid such as crude oil, LNG, has again the effect of anti-ripple and harbour.
Please refer to Fig. 2, for the marine liquid storage of the utility model storehouse is the floor map of the square shape of a side opening.As shown in the figure, the opening in square shape liquid storage storehouse is towards bank, and opening is " gate " that liquid transporting boats and ships are come in and gone out, and the sheltered waters of square shape inside has formed the basin of liquid loading and unloading harbour.Set of monomers tank 9 sea beds are sat the end, by foundation structure (long stake 8), are fixed on sea bed 11.In one embodiment, as shown in Fig. 3,6, in set of monomers tank, unit tank 12 tank decks of both sides are positioned at below the water surface, and temporary location tank 12 tank decks exceed the water surface, to block the wave from outside, sea.Foundation structure is long stake 8, also can adopt suction pile, or adopt gravity type foundation, by forming gravity foundation structure to set of monomers pot bottom or to being fixed ballast (as iron ore) in the special permanent ballast tank arranging of set of monomers pot bottom, or the foundation structure that adopts pile foundation and gravity foundation to combine.The most equipment of accumulating production facility 3, more than the water surface, is arranged on the tank deck at set of monomers tank middle part.The liquid storage output pump of accumulating production facility 3 and seawater de-ballast pump are arranged at unit tank inside or tank outside, unit under water.The passage 4 of operation, maintenance and transportation is arranged on the tank top, inner side of set of monomers tank 9, exceeds the water surface 7.Liquid transporting boats and ships 6 be alongside structure and job platform 5 near the outside of passage 4, can directly install and be attached on the sidewall of tank dike 2, also can independently arrange, near the sidewall of tank dike 2, there is independently basis, as shown in Figure 3 long stake 10.In another embodiment, as shown in Figure 4, the identical and top of the whole tank deck absolute altitudes of unit tank 12 of set of monomers tank 9 exceeds the water surface, and the passage 4 of operation, maintenance and transportation is arranged on the inner side of set of monomers tank top.Compare with the set of monomers tank in Fig. 3, the advantage of the set of monomers tank shown in Fig. 4 is that form of structure is simple, and shortcoming is that larger, basic the born vertical force of tank body buoyancy change that water plane area is large, sea SEA LEVEL VARIATION causes changes larger.In the present invention, set of monomers tank 9 can adopt the unit tank 12 that tank deck absolute altitude is identical, also can adopt the unit tank 12 that tank deck absolute altitude is not identical, as long as the top of at least a portion unit tank exceeds seawater face, forms tank dike, realizes anti-ripple effect.
In the utility model, tank dike 2 can be the square shape of a side opening, and can also arrange and form in-lines, L shaped, U-shaped or V-arrangement due to a plurality of set of monomers tanks 9, or other shape required according to jetty, form difform marine liquid storage storehouse.Wherein, in L shaped right angle, be sheltered waters, head sea in long limit; U-shaped and V-arrangement drift angle are head sea, and inner side is sheltered waters.In order to increase the berth of liquid transporting boats and ships, can, in the inner side of multi-form warehouse (forming a side of sheltered waters), increase the protruding dike of building perpendicular to tank wall; Protruding dike also can adopt set of monomers tank to be arranged in the structure of tank wall.The large pier of building for pulling in to shore, the utility model in-line, L shaped tank dike can be used as the mole of this harbour, form supportingly with it, and mole inner side is as oil jetty.Open waters on not in shore limit, the square shape tank dike of the utility model U-shaped, V-arrangement or a side opening also can independently be built, and the sheltered waters of its inner side is the basin of this device oil jetty.
In the utility model, as shown in Fig. 5,6,7, set of monomers tank 9 consists of a unit tank or by being comprised of at least two unit tanks 12, a plurality of unit tank 12 is the profile of honeycomb arrangement orthogonal (as shown in Figure 5), hexagon or swallow-tail form (as shown in Figure 7).Wherein, as shown in Figure 5, for a plurality of (are illustrated as 3, represent a plurality of) cellular rectangle set of monomers tank 9 orders are arranged the tank dike 2 forming.As shown in Figure 7, be that cellular swallow-tail form set of monomers tank 9 orders of a cellular hexagon set of monomers tank 9 and a plurality of (are illustrated as 2, represent a plurality of) are arranged the tank dike 2 forming.The unit tank 12 of set of monomers tank 9 of the present utility model, compositing monomer group tank is preferably symmetrical structure, its object be to guarantee liquid storage in the process of handling center of gravity at the invariant position of the projection of horizontal plane.Displacement seawater ballast tank 14 and the liquid storage cabin 15 of set of monomers tank 12 of the present utility model, compositing monomer group tank are all preferably cylindrical vessel.
In tank dike 2, between adjacent two set of monomers tanks 9, do not have stiffening member to connect, there is as far as possible the transmission of power and displacement between Avoids or reduces set of monomers tank.In other words, the integral body that whole tank dike is not a rigidity.After each set of monomers tank 9 installations of tank dike 2, the on-the-spot filler 13 of filling in the connection gap between adjacent set of monomers tank 9.This filler 13 can be rubber, plastics or cement or other suitable material on a small quantity without strong adhesion, as long as can play joint filling and not have the function of being rigidly connected.While filling at the scene, filler 13 only starts to fill through sea bed from the top of set of monomers tank 9.
As shown in Figure 6, in an optional embodiment of the present utility model, set of monomers tank 9 can be vertical type fluid reservoir, the unit tank 12 that is compositing monomer group tank is vertical and cylindrical container, inside is divided into two up and down and forms two containers, one is displacement seawater ballast tank 14, and another is liquid storage cabin 15, i.e. so-called " upper and lower tank ".The tank deck of the 9 liang of side unit tanks of set of monomers tank that consist of upper and lower tank is positioned at below the water surface, and middle part tank deck exceeds the water surface, and a plurality of set of monomers tank 9 orders are arranged and formed tank dike 2.Certainly, upper and lower tank also can adopt whole tank deck absolute altitudes identical and exceed the structure of the water surface, to form tank dike 2.Unit tank 9, except adopting " upper and lower tank ", also can adopt other form, as oil storage chamber pot type fluid reservoir in the tank of seawater ballast tank inside, comprise vertical and as shown in Figure 6 in horizontal " tank in tank " 16.In Fig. 6, for tank in horizontal tank and upper and lower tank are used in conjunction with, also can adopt tank in vertical tank to be used in conjunction with upper and lower tank, or also can use separately tank in vertical tank to form tank dike 2.No matter which kind of form of structure unit tank and set of monomers tank adopt, their preferred form is all symmetrical structure, and to guarantee that its center of gravity remains constant in the position of the projection of horizontal plane under any mode of operation, this is prior art, at this, is not repeated.
As shown in Figure 3 and Figure 4, the foundation structure of securing unit group tank 9 adopts pile foundation, and foundation structure is some long stakes 8 that are fixedly connected on each set of monomers tank 9 outsides, or is fixedly connected on the suction pile of each set of monomers tank 9 bottoms.Set of monomers tank 9 is by pile foundation, and long stake 8 or suction pile are fixed on sea bed, makes set of monomers tank 9 sit the end in sea bed plane 11.The utility model adopts the set of monomers tank of pile foundation, and its Operating Weight equals or is slightly larger than the buoyancy under design water level, adopts little weight under water to sit the end.Adopting the fixing advantage of pile foundation is that process simply on sea bed top layer, lower for the requirement of shallow top layer bearing capacity of foundation soil, is easy to remove and move; Shortcoming is to need the long stake of configuration or suction pile, the at sea injection of on-the-spot stake and the difficulty certain with being fixedly connected with of tank body thereof.
As the another kind of optional embodiment of the utility model, the foundation structure of securing unit group tank 9 also can adopt gravity type foundation.Gravity type foundation can be fixed ballast 17 (as iron ore) and form by the bottom in unit tank 12, as shown in Figure 6.In addition, also can special permanent ballast tank be set in unit tank 12 bottoms, so that fixed ballast 17 adds.The object of fixed ballast is the weight that greatly increases set of monomers tank, relies on weight that set of monomers tank is stably seated on sea bed.With level pressure, carrying normally set of monomers tank 9 at sea adds after on-the-spot installation in place again.Set of monomers tank 9 adopts the fixing advantage of gravity type foundation to be, the operation that is fixed ballast during marine on-the-spot in place installation is fairly simple, shortcoming be sea bed work for the treatment of amount large, for bearing capacity of foundation soil, have relatively high expectations, be difficult to remove and move.
In addition, the foundation structure that the utility model also can adopt pile foundation and gravity type foundation to combine, as shown in Figure 6, adopts fixed ballast 17 to coordinate with antislide pile 18, fixing horizontal " tank in tank " tank body.In Practical Project, the selection of foundation structure need to be according to the actual conditions of object of construction production, by technology and economic more definite.
The side of tank dike 2 of the present utility model towards sea is outside, and a side in sea is inner side and forms sheltered waters dorsad.Inner side along tank dike 2 in sheltered waters is separately provided with a plurality of set of monomers tanks 9; In the outside of tank dike 2, along the outside of tank dike 2, have additional a plurality of set of monomers tanks 9 in underwater of diving.Specifically, in order to increase the capacity of warehouse, can take as required following measure: a plurality of set of monomers tanks are installed on the sea bed of the sheltered waters 1, greatly lowering in the effect of wave separately, and they can exceed the water surface, also can subduction under water.Because the effect of the wave of sheltered waters is lowered greatly, wave horizontal force and vertical force that those set of monomers tanks bear reduce greatly by corresponding, and the load that bear on basis also reduces greatly, and Foundation Design is fairly simple.2, along on the sea bed in the outside of tank dike 2, a plurality of tanks of set of monomers being under water installed separately.Due under water, the suffered seaway load of set of monomers tank will be less than water surface group tank under water.The tank of organizing under water in outside has for tank dike 2 the unrestrained effect that disappears.Fig. 5 shows that tank wall 2 outsides have installed horizontal " tank in tank " type set of monomers tank 16 under water separately, and it is actually the bamboo raft type structure that 4 bimetallic tubes form; Each bimetallic tube is a unit tank, and inner tube is oil storage chamber 15, and outer tube is seawater ballast tank 14, and seawater ballast tank outer bottom is fixed ballast 17 (referring to Fig. 6).
The utility model also has other accessory structure.For example, ships that transport is alongside structure and job platform 5, the channel design 4 of operation, maintenance and transportation.As shown in Figure 3, ships that transport is the inner side that alongside structure and job platform 5 are positioned at tank dike 2.Be that alongside structure and job platform 5 can be installed and be attached on tank levee body, also can independently arrange, near tank dike to there is independently basis (being operation horizontal director stake 10).Dependent setting be that alongside structure and job platform 5 relies on set of monomers tank 9 to be directly installed on tank body conventionally, by the basis of set of monomers tank 9, for it, provided support, also can add if desired auxiliary long pile foundation.The channel design 4 of operation, maintenance and transportation is positioned at the inner side of tank dike 2.Channel design 2 can form an overall structure with job platform 5, also can independently be arranged on the top of tank dike 2.
Accumulating production facility 3 of the present utility model, wherein most equipment is arranged on the top of monomer tank, and a few devices, as liquid storage output pump, seawater de-ballast pump etc. can be arranged on unit tank 12 tank interior or unit tank 12 tank body outsides under water.Accumulating production facility 3 includes but not limited to: the equipment that warehouse liquid accumulating flow process is required, as various pumps, heating heat transmission equipment, LNG vaporization or condensing plant and corresponding pipeline valve etc. again; The ancillary facility that synergic system, Instrument and electric system, air and nitrogen system, safety and environmental protection monitoring and control system, fire fighting system, operation and maintenance are required etc.Ancillary facility is that warehouse liquid receives, stores and transport outward necessary production run, support ensures and the facility of safety and environmental protection.
Set of monomers tank 9 of the present utility model can adopt concrete or steel to build, and recommends the preferential concrete constructions that adopts.Described concrete comprises steel concrete, prestressed concrete, steel reinforced concrete, steel plate concrete (BI-STEEL) or fibre reinforced concrete, etc.The liquid storage cabin of concrete unit tank can adopt corresponding inner lining structure according to the difference of the kind of liquid storage.For example, the tank skin that stores the liquid storage cabin of LNG is generally from outside to inside: 1, outer walls of concrete, 2,16MnR cylinder of steel wall, 3, low temperature heat-barrier material, as note positive pressure of nitrogen pearlife etc., and 4, the steel of resistance to ultralow temperature, the interior tank skin of making as low temperature resistant austenitic stainless steel OCr18Ni9.Support between inner/outer tube adopts low temperature resistant and the good fiber glass epoxy of heat-proof quality and OCr18Ni9 armor Plate.For another example, the tank skin in the liquid storage cabin of storage LPG is generally from outside to inside: outer walls of concrete, 16MnR cylinder of steel wall.Seawater ballast tank and crude oil oil storage chamber are conventionally without liner, and seawater can directly contact steel concrete bulkhead with crude oil.Steel concrete set of monomers tank can be built in dock or on the slideway in harbour place.
If the deadweight of set of monomers tank is excessive, cannot be whole floating after building in dock, set of monomers tank must adopt dry wet two-step method to build: the hypomere (dry construction) of first building island body in depressed place, after completing, hypomere is floating undocks, towage, to darker sheltered waters, has continued follow-up whole islands body and has built (wet type construction) under floating state.If the deadweight of set of monomers tank is little, can be whole floating in depressed place, whole set of monomers tank can be built in depressed place, be that dry type one-step method is built.The accessory structure of accumulating production facility and island body should be arranged in the lump on the body of island as far as possible when island body is built, to reduce marine field erected workload.After set of monomers tank has been built together with the facility on it and accessory structure, be wetly dragged to marine on-the-spotly, prepare follow-up marine installation exercise.
The all or part of of set of monomers tank 9 also can be built on the slideway in harbour place, and after having built in whole or in part, traction slides onto on launching barge, more directly towage to scene completes installation; Or towage is to sheltered waters, the construction of the remainder completing under floating state after 9 times water of set of monomers tank, rewetting is dragged to scene and completes installation.Set of monomers tank 9 is to adopt dry type one-step method to build in harbour place, or adopts dry wet two-step method to build, and need to decide according to the weight of set of monomers tank and yardstick, the bearing capacity of harbour place slideway and the tonnage of launching barge.
Adopt the set of monomers tank on suction pile basis conventionally by basis and separately construction of tank body, basic and tank body at sea tieback, be fixed into as a whole." basal disc " that basis can adopt a plurality of suction pile cylinders to be connected and to be formed by vertical riser, adopts wet type air supporting towage to be transported to marine on-the-spot.If basis adopts long stake, conventionally when tank body has been built, stake is temporarily fixed in shoe or sleeve in advance, stake is transported to scene with tank body.
The key step that install at the sea of the set of monomers tank on suction pile basis: sea bed is smooth, basis is in place, basic injection, tank body water filling is sunk and is docked, fixes with basis.
The sea of the set of monomers tank of long pile foundation is installed and can be adopted piling or two kinds of methods of tank body gravity piling injection.Two kinds of methods main installation steps after sea bed is smooth are different.Piling method: tank body is in place, seawater ballast is sat the end, long stake is squeezed into.Piling step is: 1, tank body is floating in place; 2, under, lengthen stake by the mud of certainly reentrying; 3, will grow stake with tank body temporary fixed; 4, in tank body, add seawater by the piling of tank body weight; 5, at the bottom of tank to removing the fixed constraint of stake with tank body after sea bed; 6, draining makes tank body floating; 7, repeating step 3 and 4 driving depths to stake meet the demands.When water-filling presses down, should note the plan-position of center of gravity of set of monomers tank and the difference of each earth resistance, so as to determine to different units tank water-filling number.
The key step that install at the sea of the set of monomers tank of employing gravity type foundation: sea bed foundation dredging is to projected depth, stratified construction concrete foundation (being generally from top to bottom ratchel layer, finger stone layer, rubble and layer of sand), tank body water filling sinks to being seated on sea bed basis, in set of monomers tank or in permanent ballast tank, add fixed ballast, as iron ore.
Detailed explanation for the respective embodiments described above, its object is only the utility model to make an explanation, so that can understand better the present invention, but, it is to restriction of the present utility model that these descriptions can not be construed to any reason, particularly, each feature of describing in different embodiments also can be combined mutually, thereby form other embodiments, except there being clearly contrary description, these features should be understood to can be applied in any one embodiment, and are also not only confined to described embodiment.
Claims (10)
1. a marine liquid storage storehouse, is fixedly arranged on sea bed, it is characterized in that, described marine liquid storage storehouse at least comprises:
Tank dike, by at least two set of monomers tank close-packed arrays, formed, described in each, set of monomers tank consists of a unit tank or is arranged and formed by least two unit tanks, described unit tank at least comprises a liquid storage cabin and a displacement seawater ballast tank, the bottom of described set of monomers tank is seated on sea bed, described at least a portion, the top of unit tank exceeds seawater face, from bottom to the top of described set of monomers tank, forms continuous " embankment wall ", keeps out the wave from sea one side;
Foundation structure and accessory structure, described in each, set of monomers tank is fixed on sea bed by described foundation structure, and described accessory structure is fastened on described set of monomers tank;
Accumulating production facility, comprises liquid storage output pump and seawater de-ballast pump, and described liquid storage output pump and described seawater de-ballast pump are arranged at described in each inner or tank outside, described unit of unit tank under water.
2. marine liquid storage as claimed in claim 1 storehouse, it is characterized in that, described foundation structure is pile type foundation, described pile type foundation is some long stakes that are connected and fixed on set of monomers tank outside described in each and squeeze into sea bed, or is connected and fixed on the suction pile of set of monomers pot bottom described in each and injection sea bed.
3. marine liquid storage as claimed in claim 1 storehouse, is characterized in that, described foundation structure is gravity type foundation, and described gravity type foundation is the fixed ballast that is arranged on described set of monomers tank inner bottom part; Or described unit tank also comprises the permanent ballast tank that is arranged at unit pot bottom, described gravity type foundation is the fixed ballast being arranged in described permanent ballast tank; The increase of fixed ballast the weight of set of monomers tank, rely on weight that set of monomers tank is stably seated on sea bed.
4. marine liquid storage as claimed in claim 1 storehouse, is characterized in that, described set of monomers tank is by a plurality of unit tank the profile that honeycomb arrangement forms rectangle, hexagon or swallow-tail form.
5. marine liquid storage as claimed in claim 1 storehouse, is characterized in that, described tank dike by a plurality of described set of monomers tanks side by side be the linear alignment, form the square shape of in-line, L shaped, U-shaped, V-arrangement or a side opening.
6. marine liquid storage as claimed in claim 5 storehouse, is characterized in that, the seam crossing between adjacent described set of monomers tank is filled with filler.
7. marine liquid storage as claimed in claim 1 storehouse, is characterized in that, the unit tank in described set of monomers tank is pot type fluid reservoir in vertical type fluid reservoir or tank.
8. marine liquid storage as claimed in claim 1 storehouse, it is characterized in that, the side of described tank dike towards sea is outside, and a side in sea is inner side and forms sheltered waters dorsad, and the inner side along described tank dike in described sheltered waters is separately provided with a plurality of set of monomers tanks; Outside at described tank dike has additional a plurality of set of monomers tanks in underwater of diving along described tank dike.
9. marine liquid storage as claimed in claim 8 storehouse, is characterized in that, in the inner side of described tank dike, is provided with described accessory structure, and described accessory structure comprises that ships that transport is alongside structure and job platform and channel design.
10. marine liquid storage as claimed in claim 1 storehouse, is characterized in that, described unit tank adopts concrete or steel to build.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320521852.6U CN203475911U (en) | 2012-09-29 | 2013-08-26 | Maritime liquid repository |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/082451 WO2014047926A1 (en) | 2012-09-29 | 2012-09-29 | Offshore liquid depot |
| CNPCT/CN2012/082451 | 2012-09-29 | ||
| CN201320521852.6U CN203475911U (en) | 2012-09-29 | 2013-08-26 | Maritime liquid repository |
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| CN203475911U true CN203475911U (en) | 2014-03-12 |
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| CN201320521852.6U Expired - Lifetime CN203475911U (en) | 2012-09-29 | 2013-08-26 | Maritime liquid repository |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104627320A (en) * | 2015-02-16 | 2015-05-20 | 广州广船国际股份有限公司 | Midship cross section structure of large ore carrier |
| CN105905256A (en) * | 2016-04-21 | 2016-08-31 | 上海外高桥造船有限公司 | Floating oil storage device and floating oil storage device unit comprising same |
| CN107075824A (en) * | 2014-11-27 | 2017-08-18 | 格拉夫漂浮股份公司 | Sea bed terminal for offshore activity |
| CN108298034A (en) * | 2018-03-02 | 2018-07-20 | 上海惠生海洋工程有限公司 | A kind of sea bottom-sitting type natural gas treatment plant |
| CN108884647A (en) * | 2016-04-01 | 2018-11-23 | 胜科海事综合船厂私人有限公司 | Sea bed base structure and the method installed for sea bed base structure |
| 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 |
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2013
- 2013-08-26 CN CN201320521852.6U patent/CN203475911U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107075824A (en) * | 2014-11-27 | 2017-08-18 | 格拉夫漂浮股份公司 | Sea bed terminal for offshore activity |
| CN107075824B (en) * | 2014-11-27 | 2021-01-01 | 格拉夫漂浮股份公司 | Seabed terminal for offshore activities |
| CN104627320A (en) * | 2015-02-16 | 2015-05-20 | 广州广船国际股份有限公司 | Midship cross section structure of large ore carrier |
| CN108884647A (en) * | 2016-04-01 | 2018-11-23 | 胜科海事综合船厂私人有限公司 | Sea bed base structure and the method installed for sea bed base structure |
| CN108884647B (en) * | 2016-04-01 | 2020-11-03 | 胜科海事综合船厂私人有限公司 | Shallow water base structure and method for installing a shallow water base structure |
| CN105905256A (en) * | 2016-04-21 | 2016-08-31 | 上海外高桥造船有限公司 | Floating oil storage device and floating oil storage device unit comprising same |
| CN105905256B (en) * | 2016-04-21 | 2019-02-01 | 上海外高桥造船有限公司 | Floating storage vessel and floating storage vessel unit comprising it |
| CN108298034A (en) * | 2018-03-02 | 2018-07-20 | 上海惠生海洋工程有限公司 | A kind of sea bottom-sitting type natural gas treatment plant |
| 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 |
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