CN205101849U - Large capacity steel inner bag twines high -pressure hydrogen storage vessel entirely - Google Patents
Large capacity steel inner bag twines high -pressure hydrogen storage vessel entirely Download PDFInfo
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- CN205101849U CN205101849U CN201520750730.3U CN201520750730U CN205101849U CN 205101849 U CN205101849 U CN 205101849U CN 201520750730 U CN201520750730 U CN 201520750730U CN 205101849 U CN205101849 U CN 205101849U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 67
- 239000010959 steel Substances 0.000 title claims abstract description 67
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 40
- 239000001257 hydrogen Substances 0.000 title claims abstract description 40
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000003860 storage Methods 0.000 title claims abstract description 32
- 238000009987 spinning Methods 0.000 claims abstract description 55
- 239000007789 gas Substances 0.000 claims abstract description 34
- 239000010410 layer Substances 0.000 claims description 30
- 239000003365 glass fiber Substances 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 9
- 238000005728 strengthening Methods 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 241001633942 Dais Species 0.000 claims description 5
- 239000011241 protective layer Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004804 winding Methods 0.000 abstract description 20
- 238000007711 solidification Methods 0.000 abstract description 2
- 230000008023 solidification Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 11
- 239000004917 carbon fiber Substances 0.000 description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 11
- 238000013461 design Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000004880 explosion Methods 0.000 description 5
- 239000005435 mesosphere Substances 0.000 description 5
- 230000009172 bursting Effects 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- -1 3-2 Substances 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a large capacity steel inner bag twines high -pressure hydrogen storage vessel entirely, including steel spinning gas cylinder and the intensive compound shell of winding solidification on steel spinning gas cylinder outer wall, the head of steel spinning gas cylinder is ellipsoid surface or butterfly curved surface, and the volume of steel spinning gas cylinder is not less than 500L, wall thickness and is not less than 15mm, and the diameter of bottleneck is not less than 50mm, length, and to be not less than 8mm, wall thickness be 1.3-2.5 times of steel spinning gas cylinder straight section wall thickness. Adopt the utility model discloses not only the volume improves to more than the 580L, and saves pressure and improve greatly, provides the hardware guarantee for the extensive warehousing and transportation of hydrogen.
Description
Technical field
The utility model belongs to the field of Large Copacity high-pressure gas equipment, and be specifically related to a kind of Large Copacity steel inner bag and be entirely wound around high-pressure hydrogen storage, design pressure can reach 100MPa, and volume reaches more than 500L.
Background technique
Along with the development of new energy technology, the particularly breakthrough of hydrogen energy source technology, the demand for the large-volume receptacle of accumulating hydrogen increases thereupon.Due to the condensing temperature of hydrogen lower (-252.8 DEG C), the power consumption of liquefaction is very large.The simplest, practical and economic hydrogen conveying method is gaseous high pressure transport.
Due to the restriction of metallic material performance, the development of more than 70MPa steel ultrahigh pressure vessel is restricted, and diameter is little, thickness of pipe wall, volume are difficult to break through, and is the feature of this kind of container.Along with the generally application of composite technology, in order to improve volume to weight ratio and the bearing capacity of gas cylinder, widely use fiber-wound gas cylinder in related domain, its scheme is wound around high strength fibre according to certain rules at metal seamless inner bladder outer wall strengthen resin matrix and solidify to form strengthening composite shell.
Present stage, the structure of hydrogen storage vessel generally adopts carbon fiber winding aluminium alloy inner container, but its volume is less, and generally at below 120L, bearing capacity is at 20 ~ 35MPa, and inapplicable extensive storage hydrogen, transport use.Improving the hydrogen storage ability of container, by improving the volume of hydrogen storage vessel, can increase the bearing capacity of hydrogen storage vessel on the other hand on the one hand.And the raising of above-mentioned two aspects, be not only increase vessel volume, increase wall thickness can solve because the sealability of hydrogen storage vessel, deadweight and be wound around time Bottle structure many restraining factors are formed to large volume and high pressure.As pressure is larger, require higher to sealability; Inner bag wall thickness is formed mutually restrict with deadweight, and the structure of inner bag wall thickness and winding layer and Thickness Design also influence each other; The thickness of winding layer neither unrestrictedly thicken, and its structure stability is also limited by the structure of bottle.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of Large Copacity steel inner bag and is entirely wound around high-pressure hydrogen storage, it is prepared seamless steel inner bag by spinning and is provided with the structure of three-decker winding layer and end part seal, design pressure can reach 100MPa, and volume reaches more than 500L.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
Comprise steel spinning gas cylinder and the strengthening composite shell of wound and solidified on steel spinning gas cylinder outer wall, described steel spinning gas cylinder water capacity is not less than 500L, wall thickness is not less than 15mm, 1.3 ~ 2.5 times that the internal diameter of bottleneck is not less than 50mm, length is not less than 80mm, wall thickness is body wall thickness.
Preferably, the shoulder of steel spinning gas cylinder is ellipsoid or butterfly curved surface, arc transition between body and shoulder, and the radian of transition arc α is 0.1 ~ 0.4.The design of transition arc reduces the difficulty of spinning on the one hand, reduces spinning intersegmental part fold, falls stress concentration, enhance steel spinning gas cylinder axial bearing capacity on the other hand.
The external diameter of described body is 500 ~ 600mm, thickness is 15 ~ 25mm, and the internal diameter of bottleneck is 50 ~ 150mm, length is 80 ~ 125mm, thickness is 20 ~ 60mm.
The inside and outside wall of described bottleneck all arranges screw thread, end face arranges 1 ~ 3 road sealed groove.For the hydrogen storage vessel that working pressure is higher, sealability requires very high, usually needs the sealed groove arranging more than 2 roads.
The end face outer rim of described bottleneck arranges the spinning limit structure of polygonal limit dais, formation steel spinning gas cylinder.
Described strengthening composite shell comprises 2 ~ 6mm glass fibre separation layer, 40 ~ 80mm fibre reinforced layer and 2 ~ 6mm glass fibre protective layer from the inside to the outside successively.
Described steel spinning gas cylinder arranges the end plug coordinated with bottleneck thread, and the end face of end plug is or/and ring taps post top arranges 1 ~ 3 road sealed groove.
In technique scheme, the volume that Large Copacity steel inner bag is wound around high-pressure hydrogen storage is entirely greater than 500L, in order to ensure the efficiency of filling hydrogen in gas cylinder, needs the internal diameter of bottleneck to be not less than 50mm; And higher bearing pressure requires that the pressure-bearing of bottleneck is larger, therefore requirement is arranged to bottleneck length and thickness higher, but the length of bottleneck and thickness are subject to again the restriction of spinning process, technique scheme is through a large amount of creative work of claimant, successfully have developed Large Copacity, high-pressure hydrogen storage, breach capacity and the pressure restriction of hydrogen storage vessel in prior art.
Adopt technique scheme produce beneficial effect be: in (1) the utility model steel inner bag bottleneck diameter is not less than 50mm, length is not less than 80mm, can bear by screw thread and sealing configuration the pressure that is greater than 90MPa and form stable sealing, employing the utility model not only volume is increased to more than 580L, and storage pressure improves, greatly for the extensive accumulating of hydrogen provides hardware guarantee; (2) structure of the present utility model is simple, by countless test, mutually makes up, make the structure of inner bag wall thickness and winding layer and Thickness Design reach optimization between the design and the wall thickness of steel spinning gas cylinder of winding structure; (3) in further improved plan, bottleneck length is 100 ~ 120mm, increase inside bottle neck reach on the one hand, what enable end plug and bottleneck coordinates the high pressure born higher than 100MPa, effective accumulation of winding layer root winding layer when vessel head is wound around can be ensured on the other hand, reach designing requirement; And 2 ~ 3 road sealing groove sealings are set, prevent high pressure hydrogen from leaking and cause security incident.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model;
Fig. 2 is the partial structurtes schematic diagram of steel spinning gas cylinder in Fig. 1;
Fig. 3 is the structural representation of bottleneck end face in Fig. 2;
Wherein, 1, end plug, 2-1, body, 2-2, shoulder, 2-3, bottleneck, 2-3-1, limit dais, 2-3-2, sealed groove, 3-1, glass fibre separation layer, 3-2, fibre reinforced layer, 3-3, glass fibre protective layer.
Embodiment
See Fig. 1 ~ Fig. 3, in the utility model, Large Copacity steel inner bag is wound around high-pressure hydrogen storage entirely, comprise steel spinning gas cylinder and the strengthening composite shell of wound and solidified on steel spinning gas cylinder outer wall, described steel spinning gas cylinder water capacity is not less than 500L, wall thickness is not less than 15mm, 1.3 ~ 2.5 times that the internal diameter of bottleneck 2-3 is not less than 50mm, length is not less than 80mm, wall thickness is body 2-1 wall thickness.The important breakthrough of the present embodiment is that the pressure of hydrogen storage vessel and volume improve all greatly.The water capacity of steel spinning gas cylinder is comparatively large, in order to ensure that hydrogen efficiency is filled in requirement, requires that the internal diameter of bottleneck is not less than 50mm; Storage hydrogen pressure is comparatively large, and the shearing force of screw-thread fit is comparatively large, proves that the length of bottleneck can not be less than 80mm through lot of experiments; Bottleneck wall thickness is on the one hand related to bearing pressure, and thicker bottleneck is also conducive to arranging multiple-sealed on the other hand.But bottleneck length and thickness arbitrarily do not increase and thickens, by the restriction of spinning process, wall thickness is larger, the longer technique to spinning of neck length is higher.The utility model is through a large amount of Practical experiments, and successfully have developed can the large volume hydrogen storage vessel of pressure-bearing 100MPa.
The shoulder 2-2 of steel spinning gas cylinder is ellipsoid or butterfly curved surface, arc transition between body 2-1 and shoulder 2-2, and the radian of transition arc α is 0.1 ~ 0.4.Bridging when ellipsoid or butterfly curved surface are conducive to Filament-wound Machine, prevents fiber slippage, and arc transition is conducive to spinning process on the one hand, is conducive on the other hand carrying axial pressure, the radian of transition arc preferably 0.2 ~ 0.3.
The hydrogen storage vessel of 500L, the external diameter of described body 2-1 is preferably 500 ~ 600mm, thickness is 15 ~ 25mm, and the internal diameter of bottleneck 2-3 is preferably 50 ~ 150mm, length is 80 ~ 125mm, thickness is 20 ~ 60mm.
The inside and outside wall of described bottleneck 2-3 all arranges screw thread, end face arranges 1 ~ 3 road sealed groove 2-3-2.Internal thread is used for being connected with end plug, and outside thread effectively can prevent the fiber slippage be wrapped on bottleneck, forms stable enhancing structure.
The end face outer rim of described bottleneck 2-3 arranges polygonal limit dais 2-3-1, forms the spinning limit structure of steel spinning gas cylinder.When being wound around, the workpiece being wound around location is connected by the internal diameter of screw thread with steel spinning gas cylinder, and is provided with the setting sleeve mated with limit dais 2-3-1 on winding positioning workpieces, prevent steel spinning gas cylinder from rotating in winding process, affect winding effect.
Described strengthening composite shell comprises 2 ~ 6mm glass fibre separation layer 3-1,40 ~ 80mm fibre reinforced layer 3-2 and 2 ~ 6mm glass fibre protective layer 3-3 from the inside to the outside successively.Carbon fiber strength is high, and glass fibre separation layer, for isolating steel inner container and carbon fiber, prevents from, between inner bag and carbon fiber, electrochemical corrosion occurs.
Described steel spinning gas cylinder arranges the end plug 1 with bottleneck 2-3 screw-thread fit, and the end face of end plug 1 is or/and ring taps post top arranges 1 ~ 3 road sealed groove.About end face seal, both sealed groove can be set on bottleneck end face, and as shown in Figure 3, sealed groove can also be set on the end face of end plug 1, and sealed groove is set on stick harness top.As one of them embodiment, the end face of described end plug 1 arranges 2 road sealed grooves, the stick harness of ring end plug arranges 1 road sealed groove, forms multiple-sealed structure.
As a preferred embodiment, select the seamless steel pipe blank of Ф 581mm × 20.7mm × 3200mm through two ends spinning reducing, form Large Copacity steel inner bag, processing technology comprises the following steps:
Step one, the closing in section of seamless steel pipe blank is heated to 1000 ~ 1180 DEG C;
Step 2, head formed by spinning and poly-stub bar: concurrent heating is carried out to described closing in section, with spinning machine main shaft claw clamping seamless steel pipe blank outer wall, and rotate with the rotating speed of 180 ~ 220r/min, the working surface of spinning roller is carried out 7 passage hemisphere spinning near seamless steel pipe blank closing in section outer wall to it simultaneously; In every time, die holder is after seamless steel pipe blank axial feed, spinning roller arm straps moves spinning roller according to arc track from seamless steel pipe blank axes normal position, swing design angle with the speed of 0.12rad/s, then according to identical track with the rotating speed return of 0.3rad/s; Wherein, the angle of 1st ~ 3 passage spinning roller arm swings is 45 ~ 55 °, and thereafter in each passage, the angle of spinning roller arm swing increases by 4 ~ 8 ° successively, and the last angle swung is 60 ~ 82 °, forms the structure that the round and smooth extension one of hemispherical head gathers stub bar;
Step 3, poly-stub bar thicken: continue concurrent heating and make closing in section temperature remain on 950 ~ 1180 DEG C, spinning roller arm straps is moved spinning roller and is carried out 5 passage spinning according to arc track with the speed of 0.10 ~ 0.14rad/s, the ratio of every time stepping-in amount and closing in section wall thickness is 0.74 ~ 0.22:1, forms the end socket of wall thickness increase and poly-stub bar;
Step 4, spinning roller arm is rotated 12 ~ 14 °, then die holder moves spinning roller along the feeding of seamless steel pipe blank axial direction, simultaneously spinning roller arm straps and swings spinning, forms the structure of elliposoidal shoulder round and smooth extension one straight section bottleneck through 2 ~ 3 passages.
Step 5, the fold that may will occur inside and outside steel inner bag two ends tack, grinding removal shoulder portion in step 4, carry out Shot Blasting to the steel inner bag processed is inside and outside; Eliminate the stress concentration portion position that machining process produces;
Step 6, steel inner bag is heated to 950 DEG C, quenching of coming out of the stove after holding time 80min, carry out temper immediately after completing quenching, tempering heating-up temperature is 650 DEG C, holding time 40min, naturally cools in atmosphere after coming out of the stove.Quenching liquid used to be mass concentration be 7 ~ 15% NaOH solution, be sorbite state through heat treated steel inner bag.The present embodiment employing model is the high-quality Cr-Mo steel of 4130X, heat-treats according to the method described above, materialses and carry out tension test, test conditions: original gauge length 50mm, width 38mm, thickness 25mm; Test result: tensile strength 750 ~ 760MPa, yield strength 625MPa, elongation after fracture 42 ~ 45%, hardness is 234 ~ 239HB.
Step 7, precision machining is carried out to bottleneck end face, internal and external threads, then carry out secondary Shot Blasting.
Step 8, steel outer surface of liner is cleaned out after, coating corrosion resistant coating, according to following steps wound and solidified:
Be wound around glass fibre separation layer: after glass fiber impregnating resin body, first the bottleneck outer surface of steel inner bag carry out hoop be wound around form bottleneck glass fibre internal layer, total thickness is 2 ~ 6mm, then the bottle outer surface of steel inner bag carry out respectively successively 2 ~ 4 layers be longitudinally wound around and 3-5 layer hoop be wound around form bottle glass fibre internal layer, total thickness is 2 ~ 6mm, the winding angle of wherein longitudinally winding is distributed between 5 ~ 30 °;
Be wound around carbon fiber structural layer: after impregnated carbon fiber resin matrix, first carry out hoop at bottleneck glass fibre inner layer outer surface and be wound around that to form bottleneck carbon fiber mesosphere, total thickness be 5 ~ 20mm, then carry out longitudinal direction and hoop at bottle glass fibre inner layer outer surface to be alternately wound around and to form bottle carbon fiber mesosphere, the winding angle be wherein longitudinally wound around is distributed between 5 ~ 70 °, and bottle carbon fiber mesosphere comprises 60 ~ 80 layers, and longitudinally winding and 80 ~ 100 layers of hoop winding, total thickness are 40 ~ 80mm;
Be wound around glass fibre protective layer: after glass fiber impregnating resin body, first bottleneck carbon fiber mesosphere outer surface carry out hoop be wound around form bottleneck fibreglass outer layers, total thickness is 2 ~ 6mm, then carry out longitudinal direction and hoop at bottle carbon fiber mesosphere outer surface to be alternately wound around and to form bottle fibreglass outer layers, the winding angle be wherein longitudinally wound around is distributed between 5 ~ 30 °, and bottle fibreglass outer layers comprises 2 ~ 6 layers, and longitudinally winding and 2 ~ 6 layers of hoop winding, total thickness are 2 ~ 6mm;
The steel inner bag wound is inserted oven dry in curing oven, solidification, Shape correction.
The hydrogen storage vessel prepared by above-described embodiment carries out hydraulic bursting test according to ST1315-2013 attached sheet " steel inner bag is wound around hydrogen storage vessel hydrostatic test bursting test code entirely ".Test(ing) medium: water; Medium temperature: 5 DEG C; Ambient temperature: 9 DEG C.Test result: bursting pressure 256MPa, Volume variation rate 4%; Point initiation is at body position, and inner bag fracture is the pattern of 45 ° of shear lips, and " V " font is symmetrically fallen in seam broken both sides, produces in explosion without fragment; Explosion mouth edge far from gas cylinder steel seal end bottleneck end face 700mm, explosion mouth length 1000mm, width 600mm; The minimum 19.4mm of explosion mouth thickness, maximum 20.7mm.
Above result shows: the bursting pressure of the present embodiment is 2.8 times of design work pressure 92MPa, does not occur yield point in explosion.Show that termination of the present utility model and strengthening composite shell meet design requirement, for large capacity high pressure storage hydrogen opens a new road.
Claims (8)
1. a Large Copacity steel inner bag is wound around high-pressure hydrogen storage entirely, comprise steel spinning gas cylinder and the strengthening composite shell of wound and solidified on steel spinning gas cylinder outer wall, it is characterized in that described steel spinning gas cylinder water capacity is not less than 500L, wall thickness is not less than 15mm, 1.3 ~ 2.5 times of the internal diameter of bottleneck (2-3) is not less than 50mm, length is not less than 80mm, wall thickness is body (2-1) wall thickness.
2. Large Copacity steel inner bag according to claim 1 is wound around high-pressure hydrogen storage entirely, it is characterized in that the shoulder (2-2) of steel spinning gas cylinder is for ellipsoid or butterfly curved surface, arc transition between body (2-1) and shoulder (2-2), the radian of transition arc α is 0.1 ~ 0.4.
3. Large Copacity steel inner bag according to claim 1 is wound around high-pressure hydrogen storage entirely, it is characterized in that the external diameter of described body (2-1) is 500 ~ 600mm, thickness is 15 ~ 25mm, the internal diameter of bottleneck (2-3) is 50 ~ 150mm, length is 80 ~ 125mm, thickness is 20 ~ 60mm.
4. Large Copacity steel inner bag according to claim 1 is wound around high-pressure hydrogen storage entirely, it is characterized in that the inside and outside wall of described bottleneck (2-3) all arranges screw thread, end face arranges 1 ~ 3 road sealed groove (2-3-2).
5. Large Copacity steel inner bag according to claim 1 is wound around high-pressure hydrogen storage entirely, it is characterized in that the end face outer rim of described bottleneck (2-3) arranges polygonal limit dais (2-3-1), forms the spinning limit structure of steel spinning gas cylinder.
6. Large Copacity steel inner bag according to claim 1 is wound around high-pressure hydrogen storage entirely, it is characterized in that described strengthening composite shell comprises 2 ~ 6mm glass fibre separation layer (3-1), 40 ~ 80mm fibre reinforced layer (3-2) and 2 ~ 6mm glass fibre protective layer (3-3) from the inside to the outside successively.
7. Large Copacity steel inner bag according to claim 1 is wound around high-pressure hydrogen storage entirely, it is characterized in that described steel spinning gas cylinder arranges the end plug (1) with bottleneck (2-3) screw-thread fit, the end face of end plug (1) is or/and ring taps post top arranges 1 ~ 3 road sealed groove.
8. Large Copacity steel inner bag according to claim 1 is wound around high-pressure hydrogen storage entirely, it is characterized in that the end face of described end plug (1) arranges 2 road sealed grooves, ring taps post arranges 1 road sealed groove, forms multiple-sealed structure.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917953A (en) * | 2017-01-25 | 2017-07-04 | 安徽绿动能源有限公司 | A kind of manufacture method of thin-walled steel inner container and application thereof |
| CN109578801A (en) * | 2018-12-26 | 2019-04-05 | 航天特种材料及工艺技术研究所 | A kind of super-pressure cylinder liner and its manufacturing method |
| CN109595462A (en) * | 2018-12-26 | 2019-04-09 | 航天特种材料及工艺技术研究所 | Double-seal head oversize super-pressure cylinder liner and its manufacturing method |
| CN110925590A (en) * | 2019-12-18 | 2020-03-27 | 北京天海工业有限公司 | High-pressure gas cylinder for vehicle |
| CN111207288A (en) * | 2020-01-13 | 2020-05-29 | 山东特爱纳米科技有限公司 | Multifunctional hydrogen storage container and application |
| CN111879156A (en) * | 2020-06-19 | 2020-11-03 | 浙江大学 | Full-multilayer steel high-pressure hydrogen storage container heat exchange structure and heat exchange method |
| EP3869083A4 (en) * | 2018-10-17 | 2022-07-06 | Japan Steel Works M&E, Inc. | Gas pressure accumulator |
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2015
- 2015-09-25 CN CN201520750730.3U patent/CN205101849U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917953A (en) * | 2017-01-25 | 2017-07-04 | 安徽绿动能源有限公司 | A kind of manufacture method of thin-walled steel inner container and application thereof |
| EP3869083A4 (en) * | 2018-10-17 | 2022-07-06 | Japan Steel Works M&E, Inc. | Gas pressure accumulator |
| US11879592B2 (en) | 2018-10-17 | 2024-01-23 | Japan Steel Works M & E, Inc. | Gas pressure vessel |
| CN109578801A (en) * | 2018-12-26 | 2019-04-05 | 航天特种材料及工艺技术研究所 | A kind of super-pressure cylinder liner and its manufacturing method |
| CN109595462A (en) * | 2018-12-26 | 2019-04-09 | 航天特种材料及工艺技术研究所 | Double-seal head oversize super-pressure cylinder liner and its manufacturing method |
| CN110925590A (en) * | 2019-12-18 | 2020-03-27 | 北京天海工业有限公司 | High-pressure gas cylinder for vehicle |
| CN111207288A (en) * | 2020-01-13 | 2020-05-29 | 山东特爱纳米科技有限公司 | Multifunctional hydrogen storage container and application |
| CN111879156A (en) * | 2020-06-19 | 2020-11-03 | 浙江大学 | Full-multilayer steel high-pressure hydrogen storage container heat exchange structure and heat exchange method |
| CN111879156B (en) * | 2020-06-19 | 2021-09-10 | 浙江大学 | Heat exchange method based on heat exchange structure of full-multilayer steel high-pressure hydrogen storage container |
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