CN203656563U - Overground double-layer metal single-capacity storage tank - Google Patents

Overground double-layer metal single-capacity storage tank Download PDF

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Publication number
CN203656563U
CN203656563U CN201320732384.7U CN201320732384U CN203656563U CN 203656563 U CN203656563 U CN 203656563U CN 201320732384 U CN201320732384 U CN 201320732384U CN 203656563 U CN203656563 U CN 203656563U
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tank
plate
tank skin
skin
adopt
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杜亮坡
孟庆鹏
傅伟庆
赵树炳
高枫
王成
唐颍浩
邓鑫
张志强
吴龙平
李凯楠
梁奋飞
李恒东
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China National Petroleum Corp
China Petroleum Pipeline Engineering Corp
China Petroleum Pipeline Bureau Co Ltd
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Abstract

The utility model discloses an overground double-layer metal single-capacity storage tank, and belongs to the technical field of containers. The overground double-layer metal single-capacity storage tank consists of an inner tank and an outer tank, wherein the inner tank consists of a tank bottom, a tank wall, an inner tank wall reinforcement ring and inner tank anchoring bands; the outer tank consists of a tank bottom, a tank wall, a tank top, a ceiling, an outer tank wall reinforcement ring, outer tank wall anchoring bands and a tank top connection pipe accessory; a tank base plate adopts a tank bottom row plate structure with annular edge plates; the outer edges and the inner edges of the annular edge plates are circular; the edge plates of the tank bottom are connected through V-shaped groove butting structures; middle amplitude plates as well as the edge plates and the middle amplitude plates are connected through overlapping structures; the tank wall comprises eight rings; each ring of a wall plate is 2.81m wide; longitudinal and annular joints of the tank wall adopt inner wall flushing butting structures; longitudinal joints of every two adjacent layers of the wall plates are staggered from each other; the inner tank anchoring bands are uniformly arranged along the circumference; the lower ends of the anchoring bands are embedded into a concrete bearing table; the upper ends of the anchoring bands are connected with the tank wall in a sliding manner.

Description

A kind of double-level-metal list on the ground holds storage tank
Technical field
The utility model relates to a kind of double-level-metal list on the ground and holds storage tank, belongs to container technical field.
Background technique
LNG (LNG Liquefied natural gas liquefied natural gas)) technograph can trace back to early in the twentieth century.1914, the U.S. announced first term LNG patent, and builds up mini gas liquefaction plant.Nineteen thirty-nine, Hope natural gas companies has been set up a natural gas liquefaction plant that treating capacity is 1000m3/d at western Fu Jiliya, in order to study far transportation technology of LNG.1940, Ohio natural gas companies has been set up treating capacity in Cleveland be 1.13 × 10 5m 3/ d rock gas factory, makes the LNG spherical storage tank that 3 diameters are 17.37m.Within 1954, there is the stainless steel double-walled low-temperature storage tank of First for liquid oxygen.1958 Chicago,U.S Bridge Steel Inland Steel (CBI) built the plant-scale LNG storage tank of First in At, Louis, volume is 5550m 3.From 50~eighties of 20th century, LNG tank volume constantly expands: be (1~3) × 10 sixties 4m 3, be (5~10) × 10 seventies 4m 3, exceeded 20 × 10 the eighties 4m 3.
Large LNG storage tank is all had in the input states such as the LNG exporting countries such as Algeria, Brunei and Indonesia and Britain, France, Japan.Japan builds the country that LNG storage tank is maximum in the world.Japan has 27 LNG receiving terminal stations according to statistics, and LNG import volume accounts for 40% of the whole world, occupies first place in the world.Many countries all have the ability and technology construction LNG storage tank in the world at present.Hundreds of capacity are 45000~200000m 3lNG storage tank is just being brought into play the function that peak load is stored and terminal is stored in many countries and regions.
The research that China does liquefaction Technology of Natural Gas aspect is little, not yet grasps LNG Liquefied natural gas core technology, also there is no LNG storage tank authority's standard, has very large gap compared with developed countries.
China builds the earliest liquefied natural gas (LNG) tank and starts from late 1990s, and Shanghai is introduced and built China's First 2 × 10 4m 3low temperature LNG storage tank.
In area of natural gas liquefaction, the mini gas liquefaction factory construction such as Xinjiang is extensively collected, Zhongyuan Oil Field, a gas field, northern Shensi also launch successively, and wherein Xinjiang is extensively collected group and built 13 × 10 by Linde Co 4m 3low temperature LNG storage tank; It is 1 × 10 that at present domestic the most frequently used LNG double-level-metal list holds tank 4m 3with 2 × 10 4m 3, 3 × 10 4m 3and above LNG double-level-metal list to hold tank design and construction be immediate development, it is 3 × 10 that maximum LNG double-level-metal list holds tank 4m 3.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of double-level-metal list on the ground to hold storage tank.
A kind of double-level-metal list on the ground holds storage tank, formed by inner and outer tank, inner canister by tank at the bottom of, tank skin, interior tank skin stiffening ring, inner canister anchoring band form; Outer tank by tank at the bottom of, tank skin, tank deck, furred ceiling, outer tank skin stiffening ring, outer tank skin anchoring band and tank deck attachment of nozzle form;
Tank bottom is arranged plate structure at the bottom of adopting the tank with annular margin plate, and annular edge listrium outer rim and inner edge are all circular; Between bottom edge board, adopt the docking structure of double V-groove; Between center plate, and between margin plate and center plate, all adopt bridging arrangement;
Tank skin is 8 circles, and the width of every circle wallboard is 2.81m, the docking structure that tank skin is vertical, girth joint adopts aligning inner; The landing edge of adjacent two layers wallboard is staggered mutually;
Inner canister anchoring band is arranged along even circumferential; Anchoring band lower end is embedded in coagulation cushion cap, and the upper end of anchoring band and tank skin adopt and be slidably connected;
Inner canister stiffening ring is arranged on the inner side of interior tank skin; The butt joint of stiffening ring self parts adopts complete penetraction and fusion in welding structure, and the upper and lower both sides that are connected to of stiffening ring and tank skin adopt continuous welding, and when stiffening ring process tank skin longitudinal seam, stiffening ring is opened rat hole, and end 30mm and tank skin do not weld; Interior tank skin is selected stiffening ring in the middle of 1 top, road stiffening ring and 4 roads;
Tank bottom is arranged plate structure at the bottom of adopting the tank with annular margin plate, and annular edge listrium outer rim and inner edge are all circular; Between bottom edge board, adopt the docking structure of double V-groove; Between center plate, and between margin plate and center plate, all adopt bridging arrangement;
Tank skin is 8 circles, the docking structure that tank skin is vertical, girth joint adopts aligning inner; The landing edge of adjacent two layers wallboard is staggered mutually;
Outer tank tank deck adopts Vault Steel structure, and the steel structure of vault adopts " work " word steel structure, and " work " word steel structure is by Plate Welding;
Vault Steel structure is made up of radial rib, hoop muscle, stiffening rib, central deck and weather shield and compression ring;
Vault plate self adopts bridging arrangement, and vault plate and vault radial rib adopt and be welded to connect;
Compression ring is made up of tank skin compression ring and tank deck cone-plate, and outer tank anchoring band is arranged along even circumferential;
Anchoring band lower end is embedded in coagulation cushion cap, and the upper end of anchoring band and tank skin adopt and be slidably connected;
Outer tank skin stiffening ring is arranged on the inner side of tank skin; The butt joint of stiffening ring self parts adopts complete penetraction and fusion in welding structure, and the upper and lower both sides that are connected to of stiffening ring and tank skin adopt continuous welding, and when stiffening ring passes through tank skin longitudinal seam, stiffening ring is opened rat hole, and end and tank skin do not weld;
Ceiling board adopts the row's plate structure with annular margin plate, and annular edge listrium outer rim and inner edge are all circular; Between bottom edge board, adopt the docking structure of groove, be provided with backing plate below weld seam, backing plate and margin plate are adjacent to and locate; Between center plate, and between margin plate and center plate, all adopt bridging arrangement;
Furred ceiling is provided with hoop muscle and radial rib; Ceiling board and inner canister adopt cover plate for sealing; The edge of furred ceiling arranges perlite fence; Furred ceiling adopts suspension rod to be connected with Vault Steel structure, and current hole is set on ceiling board;
At the bottom of tank, cold insulation is divided into edge cold insulation and center cold insulation, and edge cold insulation structure is made up of inner canister margin plate, low temperature ring beam, bitumen layer, glass tile HLB1600, bitumen layer, glass tile HLB1600, bitumen layer, plain concrete, outer tank margin plate and foundation platform from inside to outside; Center cold insulation structure is made up of inner canister center plate, dry sand, bitumen layer, glass tile HLB800, bitumen layer, glass tile HLB800, bitumen layer, glass tile HLB800, bitumen layer, glass tile HLB800, bitumen layer, plain concrete, outer tank center plate plate and foundation platform from inside to outside;
Tank skin cold insulation structure is made up of interior tank skin, resilient felt, perlite and outer tank skin from inside to outside, and resilient felt is made up of 2 layers of resilient felt,
Furred ceiling cold insulation adopts 8 layers of blanket of glass wool, and top layer covers one deck aluminium foil;
The adapter of turnover storage tank is all arranged on tank deck, and the material feeding mouth of storage tank is provided with top top material inlet mouth and bottom feed mouth; Pump plunger shaft is the discharge port of storage tank.
A kind of double-level-metal list on the ground holds storage tank, and structure is as follows:
Tank volume: 50000m 3;
Design metal temperature :-165 ℃~50 ℃;
Storage tank type: with single tank that holds of furred ceiling;
Storage medium: LNG
Media density: 480kg/m 3;
Fundamental wind pressure: 500Pa;
Design snow load: 150Pa;
Type of foundation: high-rise pile cap;
Allow heat waste: 0.08%/day;
Seismic acceleration: 0.300g/OLE, 0.708g/CLE.
5 × 10 4m 3lNG on the ground double-level-metal list holds jar structure size:
Inner canister internal diameter: 55.5m;
Inner canister tank skin height: 22.48m;
Design liquid level: 21.83m;
Test liquid level: 13.38m;
Design maximum temperature: 50 ℃;
Minimal design temperature :-165 ℃;
Inner canister corrosion allowance: 0mm;
Outer tank internal diameter: 57.5m;
Outer tank tank skin height: 25.51m;
Outer tank design pressure: 25kPa;
Outer tank design pressure: 31.25kPa;
Design degree of vacuum :-0.5kPa;
Corrosion allowance: 3mm.
The utility model has the advantages that rational in infrastructurely, using effect is good.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by the detailed description with reference to below, can more completely understand better the utility model and easily learn wherein many advantages of following, but accompanying drawing described herein is used to provide further understanding of the present utility model, form a part of the present utility model, schematic description and description of the present utility model is used for explaining the utility model, do not form improper restriction of the present utility model, as schemed wherein:
Fig. 1 is structure diagram of the present utility model.
Fig. 2 is cold insulation sketch at the bottom of tank of the present utility model.
Fig. 3 is tank skin of the present utility model and furred ceiling cold insulation sketch.
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment
Obviously the many modifications and variations that, those skilled in the art do based on aim of the present utility model belong to protection domain of the present utility model.
Embodiment 1: as shown in Figure 1, Figure 2, Figure 3 shows, and a kind of 5 × 10 4m 3lNG on the ground double-level-metal list holds storage tank, formed by inner and outer tank, inner canister by tank at the bottom of, tank skin, interior tank skin 3 stiffening rings, inner canister anchoring band 2 etc. form; Outer tank by tank at the bottom of, tank skin, tank deck 7, furred ceiling 5, outer tank skin 29 stiffening rings, outer tank skin 29 anchoring bands and tank deck attachment of nozzle etc. form; 5 × 10 4m 3the LNG maximum day evaporation heat waste that on the ground double-level-metal list holds tank is 0.08%, in order to meet maximum day evaporation heat waste of storage tank, at the bottom of the tank of storage tank, tank skin and furred ceiling 5 will take cold insulation measure.
1, inner canister structural design
At the bottom of 1.1 inner canister tanks 1
(1) at the bottom of tank, consider prefabricated construction ability, traffic condition and economic feasibility by material specification.At the bottom of tank, center plate specification is selected 5 × 2800 × 11110mm(thickness × width × length), material selection 06Ni9DR; Margin plate specification is selected 12 × 1300 × 7300mm(thickness × width × length), material selection 06Ni9DR, at the bottom of tank, Rib Thickness is 5mm, is highly 100mm, material selection 06Ni9DR.
(2) tank bottom is arranged plate structure at the bottom of adopting the tank with annular margin plate, and annular edge listrium outer rim and inner edge are all circular.Between bottom edge board, adopt the docking structure of double V-groove; Between center plate, and between margin plate and center plate, all adopt bridging arrangement.
(3) distance between three of tank bottom arbitrary neighborhood plate welded joints, and distance between three plate welded joints and margin plate butt joint, should be not less than 300mm.Margin plate butt weld to the distance of bottom shell longitudinal seam should be not less than 300mm.
1.2 inner canister tank skins
(1) tank skin is 8 circles, and the width of every circle wallboard is 2.81m, sees the following form:
(2) tank skin is considered prefabricated construction ability, traffic condition and economic feasibility by material specification, selects large specification steel plate.Tank skin specification: width is that 2810mm, length are 11000mm.
(3) docking structure that tank skin is vertical, girth joint adopts aligning inner.The landing edge of adjacent two layers wallboard is staggered mutually, is about 1/3 of plate length.
1.3 inner canister anchoring bands 2
(1) quantity of inner canister anchoring band 2 is 60, and the even circumferential that is 19900mm along radius is arranged;
(2) material of anchoring band is 06Ni9DR, and the thickness of anchoring band is 11mm;
(3) anchoring band lower end is embedded in coagulation cushion cap, and the upper end of anchoring band and tank skin adopt and be slidably connected.
1.4 Inner tank skin top stiffening rings 28
When Inner tank skin top stiffening ring 28 considers that interior tank skin 3 is subject to perlite side pressure, prevent inner canister unstability, inner canister stiffening ring is arranged on the inner side of interior tank skin 3.The butt joint of stiffening ring self parts adopts complete penetraction and fusion in welding structure, and the upper and lower both sides that are connected to of stiffening ring and tank skin adopt continuous welding, and when stiffening ring passes through tank skin longitudinal seam, stiffening ring is opened rat hole, and rat hole radius is 20mm, and end 30mm and tank skin do not weld.5 × 10 4m 3the LNG on the ground interior tank skin 3 of double-level-metal list appearance tank selects stiffening ring in the middle of 1 top, road stiffening ring and 4 roads.
2, outer tank structural design
At the bottom of 2.1 outer tank tanks 12
(1) at the bottom of tank, consider prefabricated construction ability, traffic condition and economic feasibility by material specification.At the bottom of tank, center plate specification is selected 8 × 2800 × 11080mm(thickness × width × length), material selection 16MnDR; Margin plate specification is selected 12 × 1600 × 7600mm(thickness × width × length), material selection 16MnDR.
(2) tank bottom is arranged plate structure at the bottom of adopting the tank with annular margin plate, and annular edge listrium outer rim and inner edge are all circular.Between bottom edge board, adopt the docking structure of double V-groove; Between center plate, and between margin plate and center plate, all adopt bridging arrangement.
(3) distance between three of tank bottom arbitrary neighborhood plate welded joints, and distance between three plate welded joints and margin plate butt joint, should be not less than 300mm.Margin plate butt weld to the distance of bottom shell longitudinal seam should be not less than 300mm.
2.2 outer tank tank skins 10
(1) tank skin is 8 circles, and the width of every circle wallboard is 3.1m, sees the following form:
(2) tank skin is considered prefabricated construction ability, traffic condition and economic feasibility by material specification, selects large specification steel plate.Tank skin specification: width is that 3100mm, length are 11300mm.
(3) docking structure that tank skin is vertical, girth joint adopts aligning inner.The landing edge of adjacent two layers wallboard is staggered mutually, is about 1/3 of plate length.
2.3 outer tank tank decks
(1) outer tank tank deck 7 adopts Vault Steel structure, and the radius of curvature of vault is 46000mm, and the steel structure of vault adopts " work " word steel structure, and " work " word steel structure is by Plate Welding, and material is 16MnDR;
(2) Vault Steel structure is made up of radial rib, hoop muscle, stiffening rib, central deck and weather shield and compression ring.
(3) material of vault plate is 16MnDR, and thickness is 8mm, and vault plate self adopts bridging arrangement, and lap width is not less than 70mm, and vault plate and vault radial rib adopt and be welded to connect;
(4) compression ring is made up of tank skin compression ring and tank deck cone-plate, and the thickness of tank skin compression ring and tank deck cone-plate is 38mm, and material is 16MnDR.
2.4 outer tank anchoring bands 11
(1) quantity of outer tank anchoring band 11 is 120, arranges along the even circumferential of radius R 20875mm;
(2) material of anchoring band is 16MnDR, and the thickness of anchoring band is 14mm;
(3) anchoring band lower end is embedded in coagulation cushion cap, and the upper end of anchoring band and tank skin adopt and be slidably connected;
2.5 outer tank skin 29 stiffening rings
When outer tank skin 29 stiffening rings consider that outer tank skin 29 is subject to wind load pressure, prevent outer tank unstability, stiffening ring is arranged on the inner side of tank skin.The butt joint of stiffening ring self parts adopts complete penetraction and fusion in welding structure, and the upper and lower both sides that are connected to of stiffening ring and tank skin adopt continuous welding, and when stiffening ring passes through tank skin longitudinal seam, stiffening ring is opened rat hole, and rat hole radius is 20mm, and end 30mm and tank skin do not weld.5 × 10 4m 3the LNG on the ground outer tank skin 29 of double-level-metal list appearance tank selects 4 road stiffening rings.
3, furred ceiling 5 structural designs
(1) the A5083-O aluminium sheet that furred ceiling 5 plate thickness are 5mm, adopts the row's plate structure with annular margin plate, and annular edge listrium outer rim and inner edge are all circular.Between bottom edge board, adopt the docking structure of I type groove, be provided with backing plate below weld seam, backing plate and margin plate are adjacent to and locate; Between center plate, and between margin plate and center plate, all adopt bridging arrangement.
(2) distance between three plate welded joints of furred ceiling 5 plate arbitrary neighborhoods, and distance between three plate welded joints and margin plate butt joint, should be not less than 300mm.
(3) for guaranteeing the intensity of furred ceiling 5, furred ceiling 5 is provided with hoop muscle and radial rib;
(4) drain in tank under perlite powder for preventing, furred ceiling 5 plates and inner canister adopt cover plate for sealing; For preventing from draining under perlite powder in the glass wool of furred ceiling 5, the edge of furred ceiling 5 arranges perlite fence;
(5) furred ceiling 5 adopts suspension rod to be connected with Vault Steel structure, and suspension rod design guarantees that the next suspension rod of any operating mode lost efficacy, and did not affect the general safety of furred ceiling 5.
(6) on furred ceiling 5 plates, current hole is set, the active force that vent should make the pressure reduction in furred ceiling space Shang Xia 5 produce is no more than the weight of furred ceiling 5, in order to avoid 5 times of liftings of furred ceiling.
(7) load that the design of furred ceiling 5 plates is considered: the pressure reduction 240Pa of construction load, furred ceiling 5 plate deadweights, suspension rod deadweight, furred ceiling 5 glass wool deadweights and furred ceiling 5 both sides of 160kG concentrated load, 500Pa.
4, storage tank cold insulation structure
5 × 10 4m 3the LNG maximum day evaporation heat waste that on the ground double-level-metal list holds tank is 0.08%, in order to meet maximum day evaporation heat waste of storage tank, at the bottom of the tank of storage tank, tank skin and furred ceiling 5 will take cold insulation measure.
At the bottom of tank, cold insulation is divided into edge cold insulation and center cold insulation, and edge cold insulation structure is made up of inner canister margin plate+low temperature ring beam 18+ bitumen layer+glass tile HLB1600+ bitumen layer+glass tile HLB1600+ bitumen layer+plain concrete 13+ outer tank margin plate+foundation platform 26 from inside to outside; Center cold insulation structure is made up of inner canister center plate+dry husky 15+ bitumen layer+glass tile HLB800+ bitumen layer+glass tile HLB800+ bitumen layer+glass tile HLB800+ bitumen layer+glass tile HLB800+ bitumen layer+plain concrete 13+ outer tank center plate plate+foundation platform 26 from inside to outside.
Tank skin cold insulation structure is made up of interior tank skin 3+ resilient felt 17+ perlite+outer tank skin 29 from inside to outside, resilient felt 17 is made up of 2 layers of thick resilient felt 17 of 100mm, resilient felt 17 on tank skin plays a part spring between tank skin and perlite, restriction perlite produces excessive side pressure to tank skin, avoids interior tank skin 3 because of the excessive unstability of side pressure.
Furred ceiling 5 cold insulations adopt 8 layers of blanket of glass wool, and every layer be that 100mm is thick, top layer covering one deck aluminium foil 21.
5, storage tank annex
5.1 take over
The adapter of storage tank mainly comprises that the indications such as the inlet/outlet pipeline, BOG pipeline, temperature, pressure, level meter of material are taken over and storage tank displacement and cooling pipeline etc.
The adapter of turnover storage tank is all arranged on tank deck 7, and tank deck 7 all should vertically be laid, and the tank deck of turnover inner canister is taken over sleeve pipe should being housed when the furred ceiling 5, so that the amount of deformation while coordinating furred ceiling 5 shrink/expanded.
For preventing that storage tank from climbing over, the material feeding mouth of storage tank is provided with top top material inlet mouth and bottom feed mouth.
Pump plunger shaft is the discharge port of storage tank, and arranging of pump plunger shaft meets pump under low temperature environment, because the contraction of pump plunger shaft internal diameter does not affect installation and the maintenance of pump, and does not resonate in the time working with pump.
5.2 ladders and platform
(1) the main ladder of storage tank is considered in the lump with the pipeline that leads to tank deck 7, adopts independently steel structure frame to support, and cat ladder adopts stair pattern.
(2) storage tank is provided with the vertical ladder that outer tank deck 7 leads to interior pot bottom, can reach the ladder of tank deck 7 except tank place arranges, and 180 ° of positions of pot sidewall and main body arrange escape vertical ladder outside.
(3) tank deck 7 arranges a circle aisle and the aisle that reaches tank deck 7, to arrive all annexes of tank deck 7.
(4) outer tank ladder mark time and the aisle of tank deck 7 adopts zinc-plated flase floor, inner canister ladder landing platform adopt S30408.
(5) all ladders, platform and aisle are welded structure, and on handrail, all weld seams all polish smooth.
5.3 all the other annexes
Storage tank, except above annex, is also provided with the annexes such as tank deck safety valve, vacuum valve, roof manhole, tank deck vent, tank deck perlite filling mouth 31 and electrostatic grounding part.
The storage tank annex that is arranged in inner canister should avoid with bolts as far as possible.If with bolts, all bolts connections all should prevent from becoming flexible because of vibration.
Embodiment 2: as shown in Figure 1, Figure 2, Figure 3 shows,
Inner canister mainly adopts 06Ni9DR, outer tank adopts 16MnDR, furred ceiling 5 adopts A5083-0, and inner canister ladder landing platform and adapter adopt S30408, and outer tank platform 8 and ladder adopt Q235B, storage tank concrete structure comprises: tank skin 3 in inner canister anchoring band 2 connects, tank skin 3 in inner canister platform and vertical ladder 4 connect, tank deck 7 connects furred ceiling 5, and outer tank platform 8 is connected to tank deck 7, outer tank winding staircase 9, outer tank vertical ladder 6 are connected to outer tank tank skin 10, and outer tank anchoring band 11 connects outer tank tank skin 10;
Inner tank anchoring band 25 is connected in resilient felt 17, and outer tank skin 29, tank deck compression ring 30 are arranged on the top of outer tank skin 29, and perlite is filled mouth 31, furred ceiling suspension rod 32 supports arch steel structure 33, and Inner tank skin top stiffening ring 28 connects Inner tank skin 24;
At the bottom of tank, cold insulation structure comprises: plain concrete 13 connects foundation platform 26, cold insulation glass tile (HLB800) 14 connects plain concrete 13, add intensity level concrete 16, dry husky 15 top layers at cold insulation glass tile (HLB800) 14, resilient felt 17 is connected with low temperature ring beam 18, and cold insulation glass tile (HLB1600) 19 connects low temperature ring beam 18 and plain concrete 13;
Furred ceiling 5 cold insulation structures comprise: glass fibre 20 connects aluminium foil 21;
Tank skin cold insulation structure comprises: expanded perlite 22 connects the first resilient felt 23.
As mentioned above, embodiment of the present utility model is explained, but as long as not departing from fact inventive point of the present utility model and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, within such variation is also all included in protection domain of the present utility model.

Claims (1)

1. on the ground double-level-metal list holds a storage tank, it is characterized in that being formed by inner and outer tank, inner canister by tank at the bottom of, tank skin, interior tank skin stiffening ring, inner canister anchoring band form; Outer tank by tank at the bottom of, tank skin, tank deck, furred ceiling, outer tank skin stiffening ring, outer tank skin anchoring band and tank deck attachment of nozzle form;
Tank bottom is arranged plate structure at the bottom of adopting the tank with annular margin plate, and annular edge listrium outer rim and inner edge are all circular; Between bottom edge board, adopt the docking structure of double V-groove; Between center plate, and between margin plate and center plate, all adopt bridging arrangement;
Tank skin is 8 circles, and the width of every circle wallboard is 2.81m, the docking structure that tank skin is vertical, girth joint adopts aligning inner; The landing edge of adjacent two layers wallboard is staggered mutually;
Inner canister anchoring band is arranged along even circumferential; Anchoring band lower end is embedded in coagulation cushion cap, and the upper end of anchoring band and tank skin adopt and be slidably connected;
Inner canister stiffening ring is arranged on the inner side of interior tank skin; The butt joint of stiffening ring self parts adopts complete penetraction and fusion in welding structure, and the upper and lower both sides that are connected to of stiffening ring and tank skin adopt continuous welding, and when stiffening ring process tank skin longitudinal seam, stiffening ring is opened rat hole, and end 30mm and tank skin do not weld; Interior tank skin is selected stiffening ring in the middle of 1 top, road stiffening ring and 4 roads;
Tank bottom is arranged plate structure at the bottom of adopting the tank with annular margin plate, and annular edge listrium outer rim and inner edge are all circular; Between bottom edge board, adopt the docking structure of double V-groove; Between center plate, and between margin plate and center plate, all adopt bridging arrangement;
Tank skin is 8 circles, the docking structure that tank skin is vertical, girth joint adopts aligning inner; The landing edge of adjacent two layers wallboard is staggered mutually;
Outer tank tank deck adopts Vault Steel structure, and the steel structure of vault adopts " work " word steel structure, and " work " word steel structure is by Plate Welding;
Vault Steel structure is made up of radial rib, hoop muscle, stiffening rib, central deck and weather shield and compression ring;
Vault plate self adopts bridging arrangement, and vault plate and vault radial rib adopt and be welded to connect;
Compression ring is made up of tank skin compression ring and tank deck cone-plate, and outer tank anchoring band is arranged along even circumferential;
Anchoring band lower end is embedded in coagulation cushion cap, and the upper end of anchoring band and tank skin adopt and be slidably connected;
Outer tank skin stiffening ring is arranged on the inner side of tank skin; The butt joint of stiffening ring self parts adopts complete penetraction and fusion in welding structure, and the upper and lower both sides that are connected to of stiffening ring and tank skin adopt continuous welding, and when stiffening ring passes through tank skin longitudinal seam, stiffening ring is opened rat hole, and end and tank skin do not weld;
Ceiling board adopts the row's plate structure with annular margin plate, and annular edge listrium outer rim and inner edge are all circular; Between bottom edge board, adopt the docking structure of groove, be provided with backing plate below weld seam, backing plate and margin plate are adjacent to and locate; Between center plate, and between margin plate and center plate, all adopt bridging arrangement;
Furred ceiling is provided with hoop muscle and radial rib; Ceiling board and inner canister adopt cover plate for sealing; The edge of furred ceiling arranges perlite fence; Furred ceiling adopts suspension rod to be connected with Vault Steel structure, and current hole is set on ceiling board;
At the bottom of tank, cold insulation is divided into edge cold insulation and center cold insulation, and edge cold insulation structure is made up of inner canister margin plate, low temperature ring beam, bitumen layer, glass tile HLB1600, bitumen layer, glass tile HLB1600, bitumen layer, plain concrete, outer tank margin plate and foundation platform from inside to outside; Center cold insulation structure is made up of inner canister center plate, dry sand, bitumen layer, glass tile HLB800, bitumen layer, glass tile HLB800, bitumen layer, glass tile HLB800, bitumen layer, glass tile HLB800, bitumen layer, plain concrete, outer tank center plate plate and foundation platform from inside to outside;
Tank skin cold insulation structure is made up of interior tank skin, resilient felt, perlite and outer tank skin from inside to outside, and resilient felt is made up of 2 layers of resilient felt,
Furred ceiling cold insulation adopts 8 layers of blanket of glass wool, and top layer covers one deck aluminium foil;
The adapter of turnover storage tank is all arranged on tank deck, and the material feeding mouth of storage tank is provided with top top material inlet mouth and bottom feed mouth; Pump plunger shaft is the discharge port of storage tank.
CN201320732384.7U 2013-11-19 2013-11-19 Overground double-layer metal single-capacity storage tank Active CN203656563U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104060873A (en) * 2014-06-30 2014-09-24 成都高普石油工程技术有限公司 Vertical storage tank prefabricating installing construction method
CN104295885A (en) * 2014-09-30 2015-01-21 中国海洋石油总公司 Tank wall heat-preservation system applied to novel LNG storage tank
CN104806873A (en) * 2015-05-15 2015-07-29 华陆工程科技有限责任公司 Bimetal wall fully covering low-temperature storage tank
CN112013268A (en) * 2020-08-18 2020-12-01 德和科技集团股份有限公司 Tank bottom heat preservation structure of low-temperature storage tank and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104060873A (en) * 2014-06-30 2014-09-24 成都高普石油工程技术有限公司 Vertical storage tank prefabricating installing construction method
CN104295885A (en) * 2014-09-30 2015-01-21 中国海洋石油总公司 Tank wall heat-preservation system applied to novel LNG storage tank
CN104295885B (en) * 2014-09-30 2016-01-13 中国海洋石油总公司 Be applicable to the tank skin heat-insulation system of novel LNG storage tank
CN104806873A (en) * 2015-05-15 2015-07-29 华陆工程科技有限责任公司 Bimetal wall fully covering low-temperature storage tank
CN112013268A (en) * 2020-08-18 2020-12-01 德和科技集团股份有限公司 Tank bottom heat preservation structure of low-temperature storage tank and preparation method thereof

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