CN112228764B - Plastic lined fiber reinforced composite high pressure hydrogen storage cylinder - Google Patents
Plastic lined fiber reinforced composite high pressure hydrogen storage cylinder Download PDFInfo
- Publication number
- CN112228764B CN112228764B CN202011212307.XA CN202011212307A CN112228764B CN 112228764 B CN112228764 B CN 112228764B CN 202011212307 A CN202011212307 A CN 202011212307A CN 112228764 B CN112228764 B CN 112228764B
- Authority
- CN
- China
- Prior art keywords
- fiber reinforced
- metal
- plastic lining
- gas cylinder
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/10—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for protection against corrosion, e.g. due to gaseous acid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/16—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/06—Closures, e.g. cap, breakable member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0114—Shape cylindrical with interiorly curved end-piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0626—Multiple walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
- F17C2203/0639—Steels
- F17C2203/0643—Stainless steels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/066—Plastics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/0663—Synthetics in form of fibers or filaments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0123—Mounting arrangements characterised by number of vessels
- F17C2205/0126—One vessel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0311—Closure means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2109—Moulding
- F17C2209/2118—Moulding by injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/22—Assembling processes
- F17C2209/221—Welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/22—Assembling processes
- F17C2209/224—Press-fitting; Shrink-fitting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/22—Assembling processes
- F17C2209/227—Assembling processes by adhesive means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/23—Manufacturing of particular parts or at special locations
- F17C2209/234—Manufacturing of particular parts or at special locations of closing end pieces, e.g. caps
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
本发明公开了一种塑料内衬纤维增强复合材料高压储氢气瓶。包括塑料内衬、金属气瓶开口端和金属气瓶尾端；缠绕有预应力的纤维增强层的塑料内衬开口端与金属气瓶开口端的下端面用胶粘剂粘合，塑料内衬下端与金属气瓶尾端贴合，气瓶上端的纤维增强层与金属气瓶开口端的轴向上端面贴合，气瓶下端的纤维增强层与金属气瓶尾端的轴向下端面贴合，纤维增强层的外侧缠绕有玻璃纤维保护层，两端封头的外侧设有气瓶封头防撞层。塑料内衬开口端与金属气瓶开口端的轴向下端面间设有O型圈和防松垫片，用螺母与弹簧垫片压紧。本发明采用O型圈密封、胶合密封和塑料内衬自紧密封三重密封，当气瓶内压力越高，塑料内衬与金属气瓶开口端间压得越紧，气体泄漏越难。
The invention discloses a plastic lined fiber reinforced composite material high pressure hydrogen storage cylinder. It comprises a plastic liner, an open end of a metal cylinder and a tail end of a metal cylinder; the open end of the plastic liner wrapped with a prestressed fiber reinforced layer is bonded to the lower end surface of the open end of the metal cylinder with an adhesive, the lower end of the plastic liner is fitted with the tail end of the metal cylinder, the fiber reinforced layer at the upper end of the cylinder is fitted with the axial upper end surface of the open end of the metal cylinder, the fiber reinforced layer at the lower end of the cylinder is fitted with the axial lower end surface of the tail end of the metal cylinder, a glass fiber protective layer is wrapped around the outer side of the fiber reinforced layer, and a cylinder head anti-collision layer is provided on the outer side of the end caps at both ends. An O-ring and an anti-loosening gasket are provided between the open end of the plastic liner and the axial lower end surface of the open end of the metal cylinder, and are pressed tightly with a nut and a spring gasket. The invention adopts triple sealing of O-ring sealing, gluing sealing and plastic liner self-tightening sealing. When the pressure in the cylinder is higher, the plastic liner and the open end of the metal cylinder are pressed more tightly, and the gas leakage is more difficult.
Description
Technical Field
The invention relates to high-pressure hydrogen storage equipment, in particular to a high-pressure hydrogen storage cylinder made of a plastic lining fiber reinforced composite material.
Background
With the continuous development of new energy automobiles, hydrogen energy is increasingly used as a clean and efficient renewable energy source. High-pressure hydrogen storage is still a current main hydrogen storage mode, and most of currently used gas cylinder liners are metal liners, carbon fiber glass fibers are wound on the outer layers of the gas cylinder liners. With the increase of the requirement of hydrogen storage density per unit mass, the hydrogen storage bottle made of the plastic lining composite material is developed.
There are many patents related to the structure of the IV type gas cylinder, such as korean composite research limited's US7648042B2 "a metal gas cylinder port design for a composite high pressure gas cylinder", US US20170276294A1"High gas-tightened metallic nozzle-boss for a high pressure composite vessel",US20170276294A1"Boss and liner interface for a pressure vessel", Toyota industry corporation, US 2006060484 "high pressure gas cylinder seal", toyota motor vehicle corporation, international patent PCT/JP2009/060067 "gas cylinder and method of manufacturing gas cylinder", medium technology (capital) utility model patent CN 201721786654.7 "plastic liner outer diameter of the bottleneck end structure of the high pressure gas cylinder greater than 200 mm", etc. The related designs are made on the structure and the sealing method of the gas cylinder in the patents, the structure forms are various, and the sealing can be realized in the gas storage use process. However, these structures are complicated to manufacture, high in machining precision and high in cost.
Disclosure of Invention
In order to overcome the problems in the background technical field, the invention aims to provide the high-pressure hydrogen storage cylinder made of the plastic lining fiber reinforced composite material, which is simple in structure and manufacture and reliable in sealing.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the invention comprises a plastic lining, a metal gas cylinder opening end and a metal gas cylinder tail end, wherein a prestressed fiber reinforced layer is wound on the outer side of the plastic lining, the opening end of the plastic lining is bonded with the axially lower end face of the metal gas cylinder opening end by an adhesive, the lower end of the plastic lining is bonded with the upper end face of the metal gas cylinder tail end, the fiber reinforced layer on the upper end of the plastic lining is bonded with the axially upper end face of the metal gas cylinder opening end, the fiber reinforced layer on the lower end of the plastic lining is bonded with the axially lower end face of the metal gas cylinder tail end, a glass fiber protective layer is wound on the outer side of the fiber reinforced layer, and a gas cylinder head anti-collision layer is arranged on the outer side of the glass fiber protective layer of the two end heads of the metal gas cylinder;
An O-shaped ring is arranged between the axial lower end face of the opening end of the plastic lining and the axial lower end face of the opening end of the metal gas cylinder, the O-shaped ring, an inner retainer ring on the inner side and an outer retainer ring on the outer side are arranged in an O-shaped ring groove on the axial lower end face of the opening end of the metal gas cylinder, the O-shaped ring is screwed with threads on the lower end of the opening end of the metal gas cylinder through a compression nut for the plastic lining, a locking gasket and a spring gasket in sequence, a plurality of metal sheets are uniformly distributed on the locking gasket along the outer circumference, a groove is formed in the outer side of the lower end of the opening end of the metal gas cylinder, and the width of the groove is larger than that of the metal sheets on the locking gasket.
The metal gas cylinder is of an axisymmetric cylindrical structure with two small ends and a large middle part, the center of the metal gas cylinder is provided with a through hole, the outer side of the upper port of the metal gas cylinder is provided with a convex spigot for preventing overflow during fiber winding, and the inner side of the upper port is provided with threads.
The anti-loose gasket is a metal ring, a bulge is arranged on the inner side of the ring shape of the anti-loose gasket in the radial direction, and a plurality of bulges which can be bent are arranged on the outer circumference of the ring shape of the anti-loose gasket.
The large end of the compression nut is cylindrical, the small end of the compression nut is cylindrical metal of a hexagonal nut, a groove is formed in the outer circumference of the cylindrical large end of the compression nut, the width of the groove is larger than the width of a protrusion on the annular outer circumference of the anti-loose gasket, and the depth of the groove is 3-5mm.
The tail end of the metal gas cylinder is arranged between the plastic lining and the fiber reinforced resin matrix composite layer, and a concave hole which does not penetrate through the thickness direction of the gas cylinder is formed in the lower end of the shaft center of the tail end of the metal gas cylinder.
The fibers are carbon fibers, boron fibers, kevlar fibers or glass fibers.
The fiber reinforced layer matrix is epoxy resin, phenolic resin or bismaleimide resin.
The opening end of the metal gas cylinder and the tail end of the metal gas cylinder are made of aluminum alloy or stainless steel.
The plastic lining material is nylon 6 or nylon 66.
The O-shaped ring is made of nitrile rubber or silicon rubber.
The invention has the beneficial effects that:
1) Light weight and high gas storage density: the lining of the gas cylinder is manufactured by nylon 6, nylon 66 and the like, and is manufactured by adopting a welding method after injection molding. And is lighter in weight than a metal lined type III cylinder.
2) The sealing on the axial end face is adopted at the opening end of the metal gas cylinder, the sealing performance is good, multiple sealing is adopted between the axial end face of the opening end of the metal gas cylinder and the contact surface of the plastic lining to ensure sealing reliability, the O-shaped ring on the axial end face of the opening end of the metal gas cylinder is adopted for sealing in the first layer, the O-shaped ring is restrained by the inner retainer ring and the outer retainer ring to prevent extrusion damage, the anti-loose gasket, the spring gasket and the compression nut are compressed on the plastic lining contacted with the O-shaped ring, and the anti-loose gasket locks the compression nut to prevent loosening in operation, so that the air tightness is effectively ensured. And the second sealing is carried out, and a special adhesive is adopted between the axial end face of the opening end of the metal gas cylinder and the contact surface of the plastic lining to bond the opening end of the metal gas cylinder with the contact position of the plastic lining, so that the sealing effect is further enhanced, and the problem of overlarge deformation and sealing failure caused by different materials is effectively avoided. The third seal is designed by adopting a self-tightening seal, when the pressure in the gas cylinder is higher, the acting force of the gas pressure on the plastic lining is larger, the plastic lining and the opening end of the metal gas cylinder are tightly pressed, and the gas is more difficult to leak through a gap between the plastic lining and the opening end of the metal gas cylinder.
Drawings
Fig. 1 is a cross-sectional view of the structure of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a front cross-sectional view of the open end of a metal cylinder.
Fig. 4 is a top view of the anti-loose gasket.
Fig. 5 is a top view of the compression nut.
In the figure, 1, an anti-collision layer of a gas cylinder seal head, 2, a glass fiber protection layer, 3, a fiber reinforcement layer, 4, an opening end of a metal gas cylinder, 5, an inner check ring, 6, an outer check ring, 7, a plastic lining, 8, an O-shaped ring, 9, an anti-loose gasket, 10, a spring gasket, 11, a compression nut, 12 and a tail end of the metal gas cylinder.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in figures 1 and 2, the invention comprises a plastic lining 7, a metal gas cylinder opening end 4 and a metal gas cylinder tail end 12, wherein a prestressed fiber reinforced layer 3 is wound on the outer side of the plastic lining 7, the opening end of the plastic lining 7 is bonded with the axially lower end face of the metal gas cylinder opening end 4 by using an adhesive, the lower end of the plastic lining 7 is bonded with the upper end face of the metal gas cylinder tail end 12, the fiber reinforced layer 3 on the upper end of the plastic lining 7 is bonded with the axially upper end face of the metal gas cylinder opening end 4, the fiber reinforced layer 3 on the lower end of the plastic lining 7 is bonded with the axially lower end face of the metal gas cylinder tail end 12, a glass fiber protective layer 2 is wound on the outer side of the fiber reinforced layer 3, and a gas cylinder head anti-collision layer 1 is arranged on the outer side of the glass fiber protective layer 2 of the two end heads of the metal gas cylinder.
An O-shaped ring 8,O is arranged between the axial lower end face of the opening end of the plastic lining 7 and the axial lower end face of the metal gas cylinder opening end 4, an inner retainer ring 5at the inner side and an outer retainer ring 6 at the outer side are arranged in O-shaped ring grooves on the axial lower end face of the metal gas cylinder opening end 4, the O-shaped ring 8 sequentially passes through the plastic lining 7, an anti-loose gasket 9 and a spring gasket 10 to be screwed tightly with threads at the lower end of the metal gas cylinder opening end 4 by using compression nuts 11, a plurality of metal sheets are uniformly distributed on the anti-loose gasket 9 along the outer circumference, and a groove is formed at the outer side of the threads at the lower end of the metal gas cylinder opening end 4, wherein the width of the groove is more than 1mm of the metal sheets on the anti-loose gasket 9.
As shown in fig. 1,2 and 3, the open end 4 of the metal gas cylinder is of an axisymmetric cylindrical structure with small two ends and large middle, a through hole is formed in the center of the open end 4 of the metal gas cylinder, a convex spigot for preventing overflow during fiber winding is arranged on the outer side of an upper port of the open end 4 of the metal gas cylinder, threads are arranged on the inner side of the hole of the upper end, and an O-shaped ring groove is formed on the surface, which is attached to the plastic lining 7, of the axially lower end surface of the open end 4 of the metal gas cylinder.
As shown in fig. 1,2 and 4, the anti-loose gasket 9 is a metal ring, the inner side of the ring shape of the anti-loose gasket 9 is radially provided with a convex metal sheet, and the outer circumference of the ring shape of the anti-loose gasket 9 is provided with a plurality of (3-8) convex metal sheets which can be bent.
As shown in fig. 1,2 and 5, the large end of the compression nut 11 is cylindrical, the small end of the compression nut is cylindrical metal of a hexagonal nut, a groove is formed in the outer circumference of the cylindrical large end of the compression nut 11, the width of the groove is larger than the width of a protrusion on the annular outer circumference of the anti-loose gasket 9 by more than 1mm, and the depth of the groove is 3-5mm.
As shown in fig. 1, the tail end 12 of the metal gas cylinder is disposed between the plastic liner 7 and the fiber reinforced resin matrix composite layer 3, and a concave hole which does not penetrate through the thickness direction of the gas cylinder is formed in the lower end of the shaft center of the tail end 12 of the metal gas cylinder for weight reduction.
The fibers are carbon fibers, boron fibers, kevlar fibers, glass fibers or the like.
The fiber reinforced layer matrix is epoxy resin, phenolic resin or bismaleimide resin and the like.
The material of the opening end 4 and the tail end 12 of the metal gas cylinder is aluminum alloy or other stainless steel or high-strength steel.
The plastic lining 7 is made of high polymer materials such as nylon 6 or nylon 66 or polypropylene.
The O-shaped ring 8 is made of sealing materials with hydrogen corrosion resistance, such as nitrile rubber, silicon rubber, fluororubber and the like.
The manufacturing process of the plastic lining fiber reinforced composite material high-pressure hydrogen storage cylinder comprises the following steps:
1) The plastic lining 7 is formed by two halves, each half is processed by injection molding, and then the whole plastic lining is formed by circular seam splicing by using a welding method.
2) The inner retainer ring 5, the O-shaped ring 8 and the outer retainer ring 6 are sequentially placed in an O-shaped ring groove on the axially lower end face of the open end 4 of the metal gas cylinder, one end, provided with the O-shaped ring, of the open end 4 of the metal gas cylinder is pressed into the open end of the plastic lining 7, and the axially lower end face of the open end 4 of the metal gas cylinder is tightly adhered to the outer edge of the plastic lining 7 and then glued together.
3) The anti-loose gasket 9 and the spring gasket 10 are sequentially placed on the lower cylindrical thread of the open end 4 of the metal gas cylinder, the cylindrical end opening of the compression nut 11 is screwed on the lower cylindrical thread of the open end 4 of the metal gas cylinder, the O-shaped ring 8 and the plastic lining 7 are pressed and sealed, and then the metal sheet on the outer circumference of the anti-loose gasket 9 is bent and embedded into the outer side groove of the compression nut 11.
Claims (9)
1. The high-pressure hydrogen storage cylinder made of the plastic lining fiber reinforced composite material is characterized by comprising a plastic lining (7), a metal cylinder opening end (4) and a metal cylinder tail end (12);
the outside of the plastic lining (7) is wound with a prestressed fiber reinforced layer (3), the opening end of the plastic lining (7) is bonded with the axial lower end face of the metal gas cylinder opening end (4) by an adhesive, the lower end of the plastic lining (7) is bonded with the upper end face of the metal gas cylinder tail end (12), the fiber reinforced layer (3) at the upper end of the plastic lining (7) is bonded with the axial upper end face of the metal gas cylinder opening end (4), the fiber reinforced layer (3) at the lower end of the plastic lining (7) is bonded with the axial lower end face of the metal gas cylinder tail end (12), the outside of the fiber reinforced layer (3) is wound with a glass fiber protection layer (2), and the outer side of the glass fiber protection layer (2) of the sealing heads at the two ends of the metal gas cylinder is provided with a sealing head anti-collision layer (1);
An O-shaped ring (8) is arranged between the opening end of the plastic lining (7) and the axial lower end surface of the metal gas cylinder opening end (4), an inner retainer ring (5) at the inner side of the O-shaped ring (8) and an outer retainer ring (6) at the outer side of the O-shaped ring (8) are arranged in an O-shaped ring groove at the axial lower end surface of the metal gas cylinder opening end (4), the O-shaped ring (8) sequentially passes through the plastic lining (7), a locking gasket (9) and a spring gasket (10) and is tightly screwed with the screw thread at the lower end of the metal gas cylinder opening end (4) by using a compression nut (11), a plurality of metal sheets are uniformly distributed on the locking gasket (9) along the outer circumference, a groove is formed at the outer side of the screw thread at the lower end of the metal gas cylinder opening end (4), and the width of the groove is larger than that of the metal sheet on the locking gasket (9);
the anti-loose gasket (9) is a metal ring, a bulge is arranged on the annular inner side of the anti-loose gasket (9) in the radial direction, and a plurality of bulges capable of being bent are arranged on the annular outer circumference of the anti-loose gasket (9).
2. The high-pressure hydrogen storage cylinder made of the plastic lining fiber reinforced composite material according to claim 1, wherein the metal cylinder opening end (4) is of an axisymmetric cylindrical structure with two small ends and a large middle part, a through hole is formed in the center of the metal cylinder opening end (4), a protruding spigot for preventing overflow during fiber winding is arranged on the outer side of an upper port of the metal cylinder opening end (4), and threads are arranged on the inner side of the upper port.
3. The high-pressure hydrogen storage cylinder made of the plastic lining fiber reinforced composite material according to claim 1, wherein the large end of the compression nut (11) is cylindrical, the small end of the compression nut is cylindrical metal of a hexagonal nut, a groove is formed in the outer circumference of the cylindrical large end of the compression nut (11), the width of the groove is larger than the width of a protrusion on the annular outer circumference of the anti-loose gasket (9), and the depth of the groove is 3-5mm.
4. The high-pressure hydrogen storage cylinder made of the plastic lining fiber reinforced composite material according to claim 1, wherein the metal cylinder tail end (12) is arranged between the plastic lining (7) and the fiber reinforced layer (3), and a concave hole which does not penetrate through the thickness direction of the cylinder is formed in the lower end of the axis center of the metal cylinder tail end (12).
5. The high-pressure hydrogen storage cylinder made of the plastic lining fiber reinforced composite material of claim 1, wherein the fiber is carbon fiber, boron fiber, kevlar fiber or glass fiber.
6. The high-pressure hydrogen storage cylinder made of the plastic lining fiber reinforced composite material according to claim 1, wherein the matrix of the fiber reinforced layer (3) is epoxy resin, phenolic resin or bismaleimide resin.
7. The high-pressure hydrogen storage cylinder made of the plastic lining fiber reinforced composite material according to claim 1, wherein the metal cylinder opening end (4) and the metal cylinder tail end (12) are made of aluminum alloy or stainless steel.
8. The plastic-lined fiber reinforced composite high pressure hydrogen storage cylinder of claim 1, wherein:
The plastic lining (7) is made of nylon 6 or nylon 66.
9. The high-pressure hydrogen storage cylinder made of the plastic lining fiber reinforced composite material according to claim 1, wherein the O-shaped ring (8) is made of nitrile rubber or silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011212307.XA CN112228764B (en) | 2020-11-03 | 2020-11-03 | Plastic lined fiber reinforced composite high pressure hydrogen storage cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011212307.XA CN112228764B (en) | 2020-11-03 | 2020-11-03 | Plastic lined fiber reinforced composite high pressure hydrogen storage cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112228764A CN112228764A (en) | 2021-01-15 |
| CN112228764B true CN112228764B (en) | 2025-02-11 |
Family
ID=74122510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011212307.XA Active CN112228764B (en) | 2020-11-03 | 2020-11-03 | Plastic lined fiber reinforced composite high pressure hydrogen storage cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112228764B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383037B (en) * | 2021-12-22 | 2023-08-11 | 连云港神鹰复合材料科技有限公司 | Preparation method of carbon fiber composite material air cylinder |
| CN114370597B (en) * | 2022-01-17 | 2023-07-14 | 南京工业大学 | A high-safety intelligent hydrogen storage device and its production and use methods |
| CN117450419B (en) * | 2023-12-26 | 2024-03-19 | 中材科技（苏州）有限公司 | Plastic liner of high-pressure gas cylinder and forming method thereof |
| CN118257861A (en) * | 2024-05-10 | 2024-06-28 | 中车成型科技(青岛)有限公司 | Composite material air cylinder liner sealing structure, air cylinder and railway vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM323535U (en) * | 2007-07-18 | 2007-12-11 | William Chen | Fastening sheath for securing of bearing |
| CN106863863A (en) * | 2017-02-17 | 2017-06-20 | 安徽绿动能源有限公司 | A kind of fiber winds the manufacture method of plastic inner container composite cylinder entirely |
| CN208534946U (en) * | 2018-06-27 | 2019-02-22 | 广州鑫源恒业电力线路器材股份有限公司 | A mechanical self-locking anti-loosening bolt |
| CN110145682A (en) * | 2019-05-31 | 2019-08-20 | 亚普汽车部件股份有限公司 | Plastic casing and high-pressure composite containers |
| CN213872192U (en) * | 2020-11-03 | 2021-08-03 | 浙江大学 | Plastic lining fiber reinforced composite material high-pressure hydrogen storage cylinder |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002188794A (en) * | 2000-12-21 | 2002-07-05 | Honda Motor Co Ltd | High pressure hydrogen tank and manufacturing method thereof |
| CN201047452Y (en) * | 2007-04-10 | 2008-04-16 | 上海清能燃料电池技术有限公司 | Top opening type hydrogen storing bottle valve |
| CN201090614Y (en) * | 2007-07-12 | 2008-07-23 | 宁波斯立福精密工业有限公司 | Bearing bush |
| CN201680139U (en) * | 2010-05-31 | 2010-12-22 | 刘强 | Composite material wound pressure bottle with high-polymer material liner |
| CN101832389B (en) * | 2010-06-02 | 2012-10-10 | 刘强 | Fiber reinforced composite pressure bottle |
| CN202834723U (en) * | 2012-08-31 | 2013-03-27 | 杭州余杭獐山钢瓶有限公司 | Plastic liner wound air bottle |
| JP5936642B2 (en) * | 2013-04-17 | 2016-06-22 | 豊田合成株式会社 | Pressure vessel liner, mold thereof, and pressure vessel |
| CN104948901B (en) * | 2015-06-09 | 2017-10-20 | 湖北三江航天江北机械工程有限公司 | The manufacture method of HTHP gas cylinder with thin-wall metal inner lining structure |
| CN106838602B (en) * | 2017-01-19 | 2023-04-18 | 安徽绿动能源有限公司 | Metal bottle mouth structure and LPG gas cylinder |
| CN110107798A (en) * | 2019-05-24 | 2019-08-09 | 江苏国富氢能技术装备有限公司 | A kind of plastic inner container carbon fiber winds hydrogen storage cylinder bottleneck structure entirely |
| CN210462438U (en) * | 2019-08-28 | 2020-05-05 | 辽宁美托科技股份有限公司 | Gas cylinder with wound plastic lining |
| CN110925589A (en) * | 2019-11-14 | 2020-03-27 | 江苏国富氢能技术装备有限公司 | Gas cylinder with plastic liner and fully wound fibers |
| CN211117802U (en) * | 2019-12-04 | 2020-07-28 | 上海舜华新能源系统有限公司 | Main valve of electromagnetic valve |
| CN110848569B (en) * | 2019-12-18 | 2024-11-15 | 海控复合材料科技有限公司 | A bottle mouth connection part of a non-metallic liner fiber-wound gas cylinder |
-
2020
- 2020-11-03 CN CN202011212307.XA patent/CN112228764B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM323535U (en) * | 2007-07-18 | 2007-12-11 | William Chen | Fastening sheath for securing of bearing |
| CN106863863A (en) * | 2017-02-17 | 2017-06-20 | 安徽绿动能源有限公司 | A kind of fiber winds the manufacture method of plastic inner container composite cylinder entirely |
| CN208534946U (en) * | 2018-06-27 | 2019-02-22 | 广州鑫源恒业电力线路器材股份有限公司 | A mechanical self-locking anti-loosening bolt |
| CN110145682A (en) * | 2019-05-31 | 2019-08-20 | 亚普汽车部件股份有限公司 | Plastic casing and high-pressure composite containers |
| CN213872192U (en) * | 2020-11-03 | 2021-08-03 | 浙江大学 | Plastic lining fiber reinforced composite material high-pressure hydrogen storage cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112228764A (en) | 2021-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112228764B (en) | Plastic lined fiber reinforced composite high pressure hydrogen storage cylinder | |
| JP6409887B2 (en) | Pressure vessel | |
| CA2647577C (en) | Pressure-resistant container | |
| CA2559452C (en) | The high gas-tighten metallic nozzle-boss for the high pressure composite vessel | |
| CN108131554B (en) | Sealing device for plastic liner of high-pressure composite container | |
| CN212298516U (en) | Full-composite fiber winding gas cylinder opening structure | |
| CN108119748B (en) | High-pressure composite container with sealing structure | |
| CN213872192U (en) | Plastic lining fiber reinforced composite material high-pressure hydrogen storage cylinder | |
| CN113775926A (en) | A type IV hydrogen storage bottle embedded metal bottle mouth structure | |
| CN111998220A (en) | High-pressure composite lightweight hydrogen storage bottle | |
| CN113217814B (en) | Inward-turning type high-hydrogen-resistance plastic-metal seal head sealing structure | |
| CN210088449U (en) | A high-pressure composite lightweight hydrogen storage bottle | |
| CN219263956U (en) | IV type hydrogen storage bottle bottleneck seal structure | |
| CN213236962U (en) | Liner and valve seat sealing connection structure suitable for IV-type hydrogen storage cylinder | |
| CN115325433B (en) | Sealing structure of high pressure gas cylinder made of plastic lined fiber reinforced composite material | |
| JPH1144399A (en) | Pressure vessel | |
| CN216131758U (en) | Inward-turning type high-hydrogen-resistance plastic-metal seal head sealing structure | |
| CN218119382U (en) | Sealing structure for gas cylinder opening formed by winding high polymer material liner fibers | |
| CN218523398U (en) | A plastic-lined fiber-reinforced composite high-pressure gas cylinder sealing structure | |
| CN108131555B (en) | High-pressure composite container with sealing structure | |
| CN219588707U (en) | High-pressure IV type bottle sealing structure capable of being sealed efficiently | |
| CN110843233B (en) | Composite material gas-liquid pressure tank with filler on cylinder section | |
| CN218523408U (en) | Bottleneck seal structure of high-pressure gas bomb | |
| CN219263931U (en) | Multistage sealing structure of plastic lining fiber reinforced composite material high-pressure gas cylinder | |
| CN116857555A (en) | A valve seat for a high-pressure plastic liner hydrogen storage bottle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |