WO2016029718A1 - 一种复合材料容器及其复合材料层的成型方法 - Google Patents
一种复合材料容器及其复合材料层的成型方法 Download PDFInfo
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- WO2016029718A1 WO2016029718A1 PCT/CN2015/078938 CN2015078938W WO2016029718A1 WO 2016029718 A1 WO2016029718 A1 WO 2016029718A1 CN 2015078938 W CN2015078938 W CN 2015078938W WO 2016029718 A1 WO2016029718 A1 WO 2016029718A1
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- composite material
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- material layer
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- composite
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- 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
- F17C1/04—Protecting sheathings
- F17C1/06—Protecting sheathings built-up from wound-on bands or filamentary material, e.g. wires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/562—Winding and joining, e.g. winding spirally spirally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/581—Winding and joining, e.g. winding spirally helically using sheets or strips consisting principally of plastics material
- B29C53/582—Winding and joining, e.g. winding spirally helically using sheets or strips consisting principally of plastics material comprising reinforcements, e.g. wires, threads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
- B29C53/805—Applying axial reinforcements
- B29C53/8058—Applying axial reinforcements continuously
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
- B29C70/323—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core on the inner surface of a rotating mould
- B29C70/326—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core on the inner surface of a rotating mould by rotating the mould around its axis of symmetry
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0809—Fabrics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0854—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns in the form of a non-woven mat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7126—Containers; Packaging elements or accessories, Packages large, e.g. for bulk storage
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- 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
- F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
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- 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
- F17C2201/05—Size
- F17C2201/056—Small (<1 m3)
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- 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
- F17C2203/0604—Liners
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- 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
- F17C2203/0614—Single wall
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- 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
- F17C2203/0614—Single wall
- F17C2203/0619—Single wall with two layers
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- 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
- F17C2203/0614—Single wall
- F17C2203/0624—Single wall with four or more layers
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- 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
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- 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
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- 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
- F17C2203/0665—Synthetics in form of fibers or filaments radially wound
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- 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
- F17C2203/067—Synthetics in form of fibers or filaments helically wound
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- 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
- F17C2205/0323—Valves
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- 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
- F17C2209/2154—Winding
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- 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
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- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/01—Improving mechanical properties or manufacturing
- F17C2260/011—Improving strength
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Definitions
- the invention relates to a gas transportation technology, in particular to a composite material container and a composite material layer forming method thereof.
- the high pressure composite container (cylinder) produced in the prior art has a liner which is usually made of a metal material.
- a liner which is usually made of a metal material.
- the tensile force of the high-strength fiber material is used to enhance the bearing pressure of the inner liner.
- a container (cylinder) having a composite material layer formed on a surface formed by a filament winding forming process inevitably exhibits cracking or cracking along the fiber direction after being pressed. As the number of uses increases and the impact of a particular environment, these cracks or cracks tend to expand, and the entire composite layer is severely cracked.
- the present invention provides a method of forming a composite container and a composite layer thereof that reduces or even eliminates cracking of the composite layer.
- the present invention discloses a composite material layer forming method for a composite material container, wherein a continuous fiber is wound on a outer surface of a liner at a predetermined angle to form at least one composite material layer; in the composite material layer An additive is added to the interlayer and/or inner surface and/or outer surface for preventing the composite layer from cracking.
- the additive is located between the two layers of composite material.
- the additive is a woven or non-woven fabric.
- the shape of the additive is a fiber shape, a sheet shape, a floc shape, or a block shape.
- the additive is made of a metal or non-metal material.
- the additive is composed of a fiber-based material.
- the fibrous material is composed of one or more of the following materials: carbon fiber, glass fiber, aramid fiber, polyester fiber, metal fiber.
- the continuous fibers are wound around the outer surface of the inner liner in a hoop direction.
- the continuous fiber is spirally wound around the outer surface of the inner liner.
- the invention also discloses a composite container comprising a liner and a composite layer made by the method of any one of claims 1 to 9.
- the composite material container and the composite material layer forming technology thereof have the longitudinal (axial) reinforcing effect inside the container wound composite material layer, and can effectively prevent the composite material from cracking or cracking. At the same time, it can effectively prevent the surface of the composite material layer from being cracked or cracked in the direction of fiber winding during long-term use of the container. This stabilizes the performance of the container to a certain extent, thereby improving the safety of the container during use.
- Figure 1 is a schematic view showing the structure of a composite material container according to the present invention.
- FIG. 2 is a partially enlarged schematic view of a composite container according to the present invention.
- the shrinkage ratio of the composite layers wound by the inner surface of the built-in metal liner and the metal liner is inconsistent.
- the length of the gas cylinder will extend. Since the ductility of the metal material is obviously stronger than the ductility of the composite material, the length of the metal extension is far in the process of repeated reloading of the gas cylinder. Exceeding the length of the composite extension, this causes a circumferential crack in the surface layer of the composite. Therefore, cracking or cracking along the fiber direction occurs after the pressure is applied.
- the invention calculates the longitudinal force matched with the fiber when it is wound in the circumferential direction according to the mechanical analysis, and applies the reinforcing technology in the forming process of the composite material layer to realize the process of applying pressure to the container, when the composite layer of the gas cylinder is along the fiber
- a tensile force perpendicular to the direction of cracking is provided to improve surface cracking and long-term crack propagation.
- Fig. 1 is a schematic view showing the structure of a composite material container according to the present invention.
- the composite container may be a bottle for containing a high pressure gas or a tube for containing a high pressure gas, a liquid, or a solid.
- 1 is an embodiment of the present invention in which the container 2 is made of a high quality seamless steel pipe, and both ends of the steel pipe are processed into two bottle ports 3 by a method of end-spinning compression neck.
- the bottle mouth 3 has internal threads for fixing the front end plug and the rear end plug.
- the front end plug is provided with an intake air outlet valve, and the rear end plug is provided A safety venting device (not shown) is placed.
- the cylinder may also contain only one port.
- the outer surface of the cylinder 2 comprises a composite material layer 1.
- the composite layer 1 is usually formed by winding continuous fibers in the circumferential direction (a direction).
- the composite material layer 1 may cover only a part of the surface of the cylinder 2, and may cover the entire surface of the cylinder 2, including the outer surface of the bottle opening 3 being uniformly covered.
- the composite container illustrated in Figure 1 is a typical hoop-wound composite container. The hoop winding is characterized in that the winding angle of the continuous fibers is almost perpendicular to the axial direction (b direction) of the cylinder.
- a technical problem that is likely to occur in a circumferentially wound gas cylinder is that when the bottle is filled with a high pressure gas, the composite layer has a circumferential (a direction) crack due to inconsistent ratings of both the metal liner and the composite layer.
- the present invention overcomes circumferential cracking by providing a compensating force in the longitudinal direction.
- the composite container is fully wound or angled.
- cracks may occur in parallel directions along the continuous fibers. According to the technical solution provided by the present invention, it is necessary to provide a compensating force at an angle perpendicular to the continuous fibers to overcome cracking.
- the composite layer 1 provided by the present invention comprises an additive 11 in addition to the continuous fibers 10. This is to add a longitudinal (b direction in Figure 1) force that matches the hoop pull during the composite layer forming process. It is used to achieve a longitudinal tensile force in the circumferential cracking of the container during the pressing force, thereby improving the surface cracking phenomenon and the long-term cracking extension phenomenon.
- the continuous fibers 10 and the additive 11 are continuously formed, i.e., a layer of continuous fibers 10 is covered with an additive 11 above or below.
- the additive 11 may be a woven fabric or a non-woven fabric.
- the woven fabric refers to a material formed by crossing and winding two or more woven threads.
- the additive 11 may be a fibrous material, and may be a floc or a cake or a sheet. If it is fibrous, Then, the arrangement direction of the additive 11 is parallel in the longitudinal direction or at an angle to the longitudinal direction.
- the additive 11 may be made of carbon fiber, glass fiber, aramid fiber, polyester fiber, or metal fiber.
- Carbon fiber (CF) is a new type of fiber material with high strength and high modulus fiber with carbon content above 95%. It is a microcrystalline graphite material obtained by stacking organic fibers such as flake graphite crystallites along the axial direction of the fiber and carbonizing and graphitizing. Carbon fibers include, but are not limited to, polyacrylonitrile based carbon fibers, pitch based carbon fibers, viscose based carbon fibers, phenolic based carbon fibers, vapor grown carbon fibers.
- Glass fiber or fiberglass refers to a material formed by processes such as silica, alumina, calcium oxide, boron oxide, magnesium oxide, sodium oxide, etc., which are subjected to high-temperature melting, drawing, winding, weaving, and the like.
- Glass fibers include, but are not limited to, alkali-free glass fibers, medium alkali glass fibers, high alkali glass fibers, high strength glass fibers, high modulus glass fibers, high silica glass fibers, alkali resistant glass fibers, and other glass fibers.
- Aramid fibers are collectively referred to as aramid fibers, including para-aramid fibers (PPTA) and meta-aramid fibers (PMIA).
- Steel fiber mainly refers to metal fiber caused by metal (iron, iron alloy, steel, etc.), which is made to cut the thin steel wire method, cold-rolled steel strip shearing, steel ingot milling or molten steel rapid condensation method to make the aspect ratio (fiber length).
- the ratio of the diameter to the diameter is 40 to 80 when the cross section of the fiber is non-circular, and the diameter of the equivalent cross-sectional circular area is 40 to 80.
- the invention also provides a molding method of the composite material, which is realized by adding a fiber fabric during the forming process of the wound material wound around the circumferential winding container, and the fiber fabric mentioned herein has a wide range, such as: carbon fiber fabric, glass fiber fabric, Fang A rayon fabric or a blended fiber strength thereof, etc.; also includes a fiber fabric of a prepreg base resin.
- the surface sizing agent when selecting a fiber fabric, the surface sizing agent must be compatible with the continuous fiber system and the resin system for winding, so that the fiber fabric, the continuous fiber for winding and the resin matrix are solidified to form an integral wound composite layer during the molding process.
- the load is carried as a whole under pressure.
- the fabric is laid in a layered manner on a layer calculated by analysis (may be Any layer of the bottom layer to the outermost layer) is uniformly impregnated with a resin matrix (this soaking process may be omitted if a prepreg matrix resin fiber fabric is selected), and the circumferential winding is continued after the laying is completed.
- the laid fiber fabric is wound flat between the wound layers. The location and number of layers of the fabric can be adjusted by analytical calculations and actual product conditions.
- a method for manufacturing a composite material container according to the present invention will be specifically provided.
- a liner of a high-pressure seamless steel pipe of a matching length is selected according to a design capacity, and then the inner liner is positioned on a rotating shaft of a rotating bracket.
- a layer of high strength composite material is prepared on the surface of the inner liner.
- the surface sizing agent compatible with the continuous fiber and the resin matrix for winding is selected, and the fiber fabric, the continuous fiber for winding, the resin substrate and the surface sizing agent are cured to form an integrally wound composite material layer.
- the fiber-impregnated resin matrix was wound onto the annular container (tank) according to the parameters in Table 1 at the time of winding.
- This particular layer can be the nth layer (n is a natural number).
- n is a natural number.
- One of ordinary skill in the art can set the position of a particular layer by parameters such as the size and key points of the cylinder design, the arrangement of the lines, and the symmetry of the structure.
- the continuous fiber layer may be wound around the inner surface of the inner liner or may be wound at an angle to the circumferential direction (spiral winding).
- the direction of additive addition during the winding process can be perpendicular to the circumferential direction of 90°
- the direction of the force is laid, or it is laid in a direction of 30° with the cylinder axis.
- the composite layer is cured by a stepwise temperature curing method in a horizontal rotation manner, and is cured at a step temperature of 95 to 155 ° C for 4 to 5 hours.
- the cylinder is horizontally rotated to ensure that the surface of the cylinder is contained in the whole process. The amount of glue is even.
- the ring-wrapped gas cylinder with inner diameter of 406mm and total length of 2140mm is used as the control sample.
- the length of the straight section of the cylinder before the filling is 1650mm.
- the length of the straight section of the cylinder liner It becomes 1670 mm, the length of the metal liner changes to 20 mm, and the length of the straight section of the composite layer changes little. Due to the serious inconsistency in the length of the two, the composite layer has a very obvious circumferential cracking phenomenon, and the width of the widest single circumferential crack can reach 7 mm.
- a ring-wrapped gas cylinder with an outer diameter of 406 mm and a total length of 2140 mm was added as a control sample. After repeated charging and discharging for 15,000 times at a working pressure of 25 MPa, the length of the straight section of the cylinder liner was changed from 1650 mm to 1670 mm, and the length of the metal liner was changed to 20 mm. The rate of change in the cylinder liner still reached 1.2%. However, due to the compensation of the longitudinal force, the outer surface of the ring-wrapped cylinder to which the additive is added has only a relatively uniform circumferential crack, and the widest width of the crack is less than 2 mm.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
Claims (10)
- 一种复合材料容器的复合材料层成型方法,其特征在于,一连续纤维按一预定角度缠绕于一内胆外表面形成至少一层复合材料层;在所述复合材料层的的层间和/或内表面和/或外表面上加入一用于防止所述复合材料层开裂的添加物。
- 如权利要求1所述的复合材料层成型方法,其特征在于,所述添加物位于两层复合材料层之间。
- 如权利要求1所述的复合材料层成型方法,其特征在于,所述添加物为织物或非织物。
- 如权利要求1所述的复合材料层成型方法,其特征在于,所述添加物的形状为纤维状、片状、絮状、块状。
- 如权利要求1所述的复合材料层成型方法,其特征在于,所述添加物由金属或非金属材料制成。
- 如权利要求1所述的复合材料层成型方法,其特征在于,所述添加物由纤维类材料组成。
- 如权利要求6所述的复合材料层成型方法,其特征在于,所述纤维类材料由以下材料中的一种或多种组成:碳纤维、玻璃纤维、芳纶纤维、聚酯纤维、金属纤维。
- 如权利要求1所述的复合材料层成型方法,其特征在于,所述连续纤维沿环向缠绕所述内胆外表面。
- 如权利要求1所述的复合材料层成型方法,其特征在于,所述连续纤维沿螺旋状缠绕所述内胆外表面。
- 一种复合材料容器,其特征在于,所述复合材料容器包括一内胆和一复合材料层,所述复合材料层由如权利要求1至9任意一项所述的方法制成。
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CA2956336A CA2956336C (en) | 2014-08-29 | 2015-05-14 | A composite material container and the forming method of its composite material layer |
KR1020177005905A KR20170042307A (ko) | 2014-08-29 | 2015-05-14 | 복합재료용기 및 그 복합재료층의 성형방법 |
US15/442,707 US20170167661A1 (en) | 2014-08-29 | 2017-02-27 | Composite Material Container and the Forming Method of its Composite Material Layer |
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CN201410438888.7A CN105371100B (zh) | 2014-08-29 | 2014-08-29 | 一种复合材料容器及其复合材料层的成型方法 |
CN201410438888.7 | 2014-08-29 |
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US15/442,707 Continuation US20170167661A1 (en) | 2014-08-29 | 2017-02-27 | Composite Material Container and the Forming Method of its Composite Material Layer |
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WO2016029718A1 true WO2016029718A1 (zh) | 2016-03-03 |
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PCT/CN2015/078938 WO2016029718A1 (zh) | 2014-08-29 | 2015-05-14 | 一种复合材料容器及其复合材料层的成型方法 |
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US (1) | US20170167661A1 (zh) |
KR (1) | KR20170042307A (zh) |
CN (1) | CN105371100B (zh) |
CA (1) | CA2956336C (zh) |
PE (1) | PE20170637A1 (zh) |
WO (1) | WO2016029718A1 (zh) |
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KR20180017377A (ko) * | 2016-08-09 | 2018-02-21 | 현대자동차주식회사 | 고압 용기 |
US11248745B2 (en) * | 2017-10-05 | 2022-02-15 | Tsukasa NOZAWA | Reinforcement technology for super-high pressure tank reinforced by carbon fiber |
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Also Published As
Publication number | Publication date |
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PE20170637A1 (es) | 2017-05-24 |
KR20170042307A (ko) | 2017-04-18 |
CA2956336C (en) | 2020-12-08 |
CN105371100A (zh) | 2016-03-02 |
CN105371100B (zh) | 2021-01-05 |
US20170167661A1 (en) | 2017-06-15 |
CA2956336A1 (en) | 2016-03-03 |
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