344results about "Vessel manufacturing" patented technology

The present application provides a corrugated plate of a liquefied gas storage tank and a liquefied gas storage tank. The corrugated plate comprises a corrugated plate body; a transverse corrugation formed on the corrugated plate body; a longitudinal corrugation formed on the corrugated plate body and comprising a first longitudinal corrugation and a second longitudinal corrugation respectively located on two opposite sides of the transverse corrugation; reinforcing ribs respectively formed on the transverse corrugation, the first longitudinal corrugation, and the second longitudinal corrugation; and an intersection portion formed at the intersection of the transverse corrugation, the first longitudinal corrugation, and the second longitudinal corrugation. The corrugated plate of the present application has high overall strength and stability. In addition, the reinforcing ribs formed on the corrugations increase the surface area of the corrugated plate in contact with liquefied gas and increase the local cross-sectional area of the corrugations, thereby further enhancing the strength and rigidity of the corrugations and the corrugated plate.

The invention discloses a functional gradient type nano-composite glass fiber hydrogen storage bottle and a preparation and monitoring method thereof, and relates to the technical field of high-pressure gas storage equipment. The functional gradient type nano-composite glass fiber hydrogen storage cylinder comprises a modified polymer liner, a hydrogen storage functional layer, a gradient enhancement layer, a self-repairing protective layer and an embedded monitoring unit embedded in the structure which are sequentially arranged from inside to outside, so that the integration of structure enhancement, active hydrogen storage, damage self-repairing and intelligent monitoring is realized; the gradient enhancement layer optimizes material distribution according to stress distribution, and the overall mechanical efficiency and the lightweight level are improved; the hydrogen storage functional layer endows the bottle body structure with an auxiliary hydrogen storage capability; through cooperation of the self-repairing protective layer and the embedded monitoring unit, active repairing and real-time sensing of micro-damage are achieved, the reliability and safety of the hydrogen storage bottle are improved, and the service life of the hydrogen storage bottle is prolonged.

Storage system (1) for storing a gaseous medium, preferably hydrogen, comprising several tank containers (2) with a longitudinal axis (42), a first medium collector block (4), and a second medium collector block (6). One end (15) of each tank container (2) opens into the first medium collector block (4), and another end (16) of each tank container (2) opens into the second medium collector block (6), where they are fixed and sealed. Furthermore, the storage system (1) has at least one tie rod element (10), which tie rod element (10) is made of the same material as the tank containers (2).

A liquefied gas storage facility comprises a supporting structure and a tank installed in the supporting structure. An insulating barrier arranged between the sealed membrane and the cylindrical supporting wall comprises rows of insulating panels distributed in the form of a plurality of sectorial portions (41) placed side by side in the circumferential direction, one or each sectorial portion (41) consisting of at least one row of adjustment insulating panels (24) and of a plurality of ordinary rows of insulating panels (23) distributed in the circumferential direction on either side of the at least one row of adjustment insulating panels (24), the ordinary rows of insulating panels of the sectorial portion having a uniform dimension (L) in the circumferential direction, the or each row of adjustment insulating panels of the sectorial portion having a singular dimension in the circumferential direction, the singular dimension being smaller than the uniform dimension (L).

Storage system (1) for storing a fluid medium, preferably hydrogen, comprising at least one tank container (200) in a basic cylindrical shape with two ends (202) for storing fluid medium, in particular hydrogen, wherein the tank container (200) has a first shell element (10), which forms a tank interior (201), a second shell element (12), which surrounds the first shell element (10), and an end cap element (18) at each of its ends (202). The end cap element (18) receives the first shell element (10) and the second shell element (12) in the ends (202) of the tank container (202). Furthermore, the first shell element (10) is completely inserted and fixed within the second shell element (12) and within the end cap element (18). The invention also relates to a method for pressure-tight assembly of the storage system (1).

The application provides a large-diameter super-high-pressure titanium alloy inner container winding gas cylinder and a manufacturing method. The gas cylinder comprises a front joint, a front head, a rear head and a rear joint which are sequentially welded. The front head and the rear head are both ellipsoidal. The ratio of the outer diameter D of the gas cylinder to the length L1 is 0.9-1.1. A cylinder linear section is arranged at the middle part of the gas cylinder. The ratio of the outer diameter D of the gas cylinder to the length L2 of the cylinder linear section is 3.5-5.5. The welding structure can reduce the stress concentration phenomenon caused by welding, increase the fatigue life of the gas cylinder, solve the processing problem caused by the sudden change of the thickness of the inner container of the gas cylinder, ensure the internal quality of the gas cylinder, effectively coordinate the stress distribution of each winding layer by using the innovative winding process method and the layering scheme, ensure the bearing capacity of the large-diameter super-high-pressure gas cylinder, and shorten the winding processing period and improve the processing efficiency.

A sealing structure for a compressed air energy storage device includes: a lining body; a sealing assembly including a supporting frame and a plurality of sealing plates, where the supporting frame is detachably connected to the lining body, and the plurality of sealing plates are disposed on an inner wall of the lining body through the supporting frame, and configured to seal an interior of the lining body; and a monitoring assembly including a plurality of monitoring members, where the plurality of monitoring members are disposed on the inner wall of the lining body, and configured to monitor sealing states of the sealing plates; and the sealing plate is made of a rubber material. The present disclosure solves the problem that in case of an airtight failure of the air storage chamber, the failed position cannot be detected and the failed component cannot be replaced quickly.

A mouthpiece for a pressure vessel may include a lip design that helps effectively reduce stress at a location where the mouthpiece may be engaged to the vessel. Embodiments may include a contoured annular lip element for attachment to an end of a container to position a mouthpiece within an opening at the end of the container for fluidly connecting the container to another factory element. The adapter may include one or more geometries to position a weld seam for joining the adapter to the end of the container such that the weld seam is located at a preselected location to experience a preselected level of stress during operation of the container to facilitate use of a container with a reduced overall wall thickness, therefore, the container with low total weight and low capital cost is provided, and the easiness of maintenance can be improved.

A multi-layer structure for transporting, distributing and storing hydrogen, comprising, from the inside to the outside, at least one sealing layer (1) and at least one composite reinforcing layer (2), the innermost composite reinforcing layer being wrapped around the outermost one adjacent to the sealing layer (1), the sealing layer comprising primarily at least one semi-crystalline long-chain polyamide thermoplastic polymer P1i (i=1 to n, n being the number of sealing layers), the Tf of which is in accordance with ISO 14049. 11357-3:2013, above 160°C, and comprising, excluding one polyether block amide (PEBA), up to 50% by weight of an impact modifier, based on the total weight of the composition, and up to 1.5% by weight of a plasticizer, based on the total weight of the composition, wherein the composition does not comprise a nucleating agent, and the at least one polyamide thermoplastic polymer of each sealing layer may be the same or different, and at least one of the composite reinforcing layers consists mainly of a fibrous material in the form of continuous fibers impregnated with a composition comprising at least one polymer P2j (j = 1 to m, where m is the number of reinforcing layers), in particular an epoxy resin or an epoxy-based resin, and the structure does not include an outermost layer adjacent to the outermost polyamide polymer composite reinforcing layer.

This invention provides a technology for continuously forming liners for pressure vessels that are easy to bend. [Solution] The liner of a pressure vessel comprises a main body having a central portion and a tapered portion, and a plurality of connecting portions that connect two adjacent main body portions in series via the tapered portion, and which have a smaller diameter than the central portion and are bent to fold the main body portion. The liner is manufactured by extruding a cylindrical preform having a predetermined inner diameter, and placing a cylindrical molding auxiliary member having an outer diameter corresponding to the inner diameter of the connecting portion inside the portion of the preform corresponding to the connecting portion, and hollow molding the liner while the auxiliary member is in contact with the inside of the connecting portion.

The invention provides an assembling method of a double-layer spherical tank, which comprises the following steps of: firstly installing plates of an outer ball except an outer ball lower pole middle plate and an outer ball upper shell, then installing an inner ball and a thermal insulation material arranged between the inner ball and the outer ball, and then installing the outer ball upper shell and the outer ball lower pole middle plate to form the double-layer spherical tank, so that the outer ball and the inner ball are combined and assembled; the hoisting difficulty is reduced. Before the thermal insulation material is laid on the outer surface of the inner ball, the clean room and the humidity adjusting device are firstly built, and the humidity of the clean room is controlled through the humidity adjusting device, so that the position where the thermal insulation material is installed is dry, and the thermal insulation material is prevented from absorbing water in the installation process; the spherical tank is integrally heated when the inner ball and the outer ball are arranged and the interlayer between the inner ball and the outer ball is vacuumized, so that moisture and gas in the thermal insulation material and the adsorbent are quickly discharged and pumped out, the vacuum degree between the inner ball and the outer ball can be guaranteed for a long time, and the thermal insulation effect of the spherical tank is guaranteed.

The present invention relates to a method for manufacturing a tank made of composite material, wherein a precursor assembly made of a pre-impregnated thermosetting fibrous material is vacuum-cured in a tool located outside the assembly to facilitate subsequent demolding. The assembly comprises a cylinder which is a precursor of a body, closed by two dome-shaped bottom precursors fixed to the cylinder by co-curing. The present invention is of particular interest to the manufacture of large tanks.

To provide a pressure vessel capable of effectively preventing a fluid from flowing out through a site of bonding between a nozzle and a liner by a sealing nut putting a pressure on a sealing pad made of an elastic material.SOLUTION: The pressure vessel includes: a liner formed to be hollow to enable its inside to be filled with the fluid; a nozzle combined with one side of the liner, or each end portion of both sides, so as to enable a cylindrical coupling part to be located in the inside of the liner; a ring-shaped sealing pad configured to enable the coupling part to pass through its center, formed of an elastic material, and having an inclined sealing part inclined to enable a longitudinal section to face downward in a central direction of the nozzle; and a sealing nut coupled to the coupling part at a lower portion of the sealing pad.SELECTED DRAWING: Figure 3

Leak-proof and thermally insulating tank for the storage of a liquefied gas. The invention relates to a tank, the tank comprising a tank wall (100) including a sealing structure for hermetically sealing a space between the sealing membrane and the load-bearing wall (1000), the sealing structure comprising a first metal structure (6) and a second metal structure (9); the first metal structure comprising a first height (61) and a first base (62); the second metal structure comprising a second height (91) and a second base (92), the sealing membrane comprising corrugations and flat parts situated between the corrugations, the flat parts of the sealing membrane being hermetically fixed to the second base (92);the sealing membrane comprising caps (40) fixed in a watertight manner to the longitudinal ends of the longitudinal corrugations and to the second base (92) to close said longitudinal ends. Figure for the abbreviation: 6;

To provide a hydrogen tank capable of reducing the amount of fiber-reinforced resin to be used.SOLUTION: The hydrogen tank includes a mouthpiece having a through-hole, a boss member disposed to face the mouthpiece in an axial direction of the hydrogen tank, a rod-like member assembly in which a plurality of long rod-like members each having one end portion disposed on the mouthpiece side and the other end portion disposed on the boss member side are arranged in a circumferential direction and a radial direction of the hydrogen tank such that the mouthpiece and the boss member serve as winding cores, and a reinforcing layer made of a fiber-reinforced resin disposed to cover an outer peripheral surface of the rod-like member assembly. The rod-shaped members adjacent to each other in the circumferential direction and the radial direction at the one end portion and the other end portion are bonded to each other. The rod-like members adjacent to each other in the circumferential direction and the radial direction at the intermediate portion between the one end portion and the other end portion are respectively arranged so as to have a gap communicating with the through hole of the mouthpiece.SELECTED DRAWING: Figure 2

The invention relates to a sealed and thermally insulated tank (71) comprising a tank wall (1) and a through element (5) passing through the tank wall (1). The sealing membrane (4) has a polygonal window (24) surrounding the through-element (5) to allow the through-element (5) to pass through. The sealing membrane (4) includes a plurality of membrane portions juxtaposed and joined together, the plurality of membrane portions including at least one regular membrane portion (68, 69) having a series of parallel first corrugations (11) and a series of parallel second corrugations (12). Two corrugations (16, 18) in the second corrugation (12) are not present on the irregularly rectangular metal plates (51, 251, 61) arranged on both sides of the window (24).

A pressure vessel, and a method of manufacturing a pressure vessel. The pressure vessel includes: a base layer formed from a polymer material; a reinforcement layer formed from a fibre reinforced polymer material wherein the polymer is a heat curable polymer; and an impermeable barrier layer, the barrier layer located between the base layer and the reinforcement layer; wherein the heat curable polymer has been cured at a first temperature, and wherein the barrier layer is formed from a material that is in a softened state at the first temperature.

The present invention relates to a multilayer structure for transporting, distributing and storing hydrogen, in particular for storing hydrogen, comprising, from the inside to the outside, a sealing layer (1) and at least one composite reinforcing layer (2), said sealing layer comprising, from the inside to the outside, a layer (a) of a composition comprising mainly short-chain polyamide thermoplastic polymers, more than 15% and up to 50% by weight of an impact modifier, or mainly semi-crystalline long-chain polyamide thermoplastic polymers, up to 50% by weight of an impact modifier, relative to the total weight of the composition, and up to 3% by weight of a plasticizer, optionally a layer of a binder, in particular a fluoropolymer, in particular PVDF. or a hydrogen barrier layer made of EVOH, optionally a layer of a binder, and a layer (b) consisting of a composition comprising mainly a short-chain polyamide thermoplastic polymer and more than 15% and up to 50% by weight of an impact modifier, or mainly a semi-crystalline long-chain polyamide thermoplastic polymer, up to 50% by weight of an impact modifier, and up to 3% by weight of a plasticizer, wherein the innermost composite reinforcing layer (2) is wound around the sealing layer (1), and at least one of the composite reinforcing layers consists of a fibrous material in the form of continuous fibers impregnated with a composition comprising mainly at least one polymer P1j, where j = 1 to m, and m is the number of reinforcing layers.

A method of treating a metal or metal alloy gas cylinder 10 comprises receiving the gas cylinder 10, the gas cylinder 10 comprising a body 12 defining an internal chamber 14 for storing gas 16 and a neck 18 connected to the body 5 12 and providing access to the internal chamber 14, applying a strain to the internal chamber 14 of the body 12 of the gas cylinder 10, the applied strain being less than an elastic strain limit of a material from which the body 12 of the gas cylinder 10 is formed but greater than 0.2%, forming a surface layer 20 on the internal chamber 14, and releasing the applied strain from the internal 10 chamber 14 of the body 12 of the gas cylinder 10.

To provide a liquefied gas storage facility in which a heat insulating block is easily mounted.SOLUTION: A secondary insulating barrier of a ceiling wall comprises a first secondary mounting support made of metal arranged in a corner region at the intersection of two edges of the loading opening, the ceiling wall comprising a first primary anchoring device attached to the first secondary mounting support, and a first corner primary insulating block (62) having a main portion (63) arranged along the first lateral edge and a protrusion (64) protruding from the main portion (63) beyond the first longitudinal edge in vertical alignment with the first secondary mounting support, the protrusion (64) having a support area, the first primary anchoring device comprising a support element (66) supported against the support area of the first boundary primary insulating block (51) and the support area of the first corner primary insulating block (62) in the direction of the upper support wall.SELECTED DRAWING: Figure 12

A hydrogen tank includes a fitting having a through-hole; a boss member disposed on an opposite side of the hydrogen tank from the fitting in a direction of an axis of the hydrogen tank; a rod-shaped member assembly configured by arranging rod-shaped members each having an elongated shape in a circumferential direction and a radial direction of the hydrogen tank such that the fitting and the boss member serve as a winding core, each of the rod-shaped members having a first end portion disposed on a fitting side and a second end portion disposed on a boss member side; and a reinforcing layer made of a fiber reinforced plastic and disposed to cover an outer peripheral surface of the rod-shaped member assembly. In the first end portion and the second end portion, the rod-shaped members adjacent to each other in the circumferential direction and the radial direction are bonded.

A system (200) for safely storing ammonia below the earth's surface includes a storage tank (300) located underground for storing liquid ammonia, and a safety system (400) connected to the storage tank (300) to control leakage from the storage tank (300) and to enable transfer of liquid ammonia into and out of the storage tank (300), the safety system (400) including a reliquefaction system (410), a recovery tank (420), a scrubber (430), a water tank (440), a backup external cooling system (450), and a liquid ammonia transfer system (460).

According to the invention, the technology disclosed herein relates to a pressure vessel (10) comprising a woven wall (20) enclosing an interior space (30) in which an overpressure can be built up. The wall (20) has a coverage greater than 1 up to an overpressure corresponding to a predetermined threshold value and a coverage less than 1 in the case of an overpressure exceeding the predetermined threshold value. Thereby, gaseous fuel is expelled more slowly than in the case of a burst event. According to the invention, the technology disclosed herein also relates to a pressure vessel system comprising at least one such pressure vessel (10).

A boss for a pressure tank for storing gas in a gas-powered vehicle. The boss is configured for attachment to a wall of the pressure tank enclosing a cavity for storing the gas. The wall has a reinforcement layer made of fiber-reinforced plastic and an inner liner for sealing. The boss has an external thread, which can be connected to a mating internal thread of the liner. There is also described a pressure tank with two such bosses.

The present invention provides a multilayer structure intended for transporting, distributing, or storing hydrogen. [Solution] A multilayer structure comprising at least one sealing layer (1) and at least one composite reinforcing layer (2) from the inside out, wherein the innermost composite reinforcing layer is wound around the outermost layer adjacent to the sealing layer, the sealing layer mainly comprises at least one semicrystalline long-chain polyamide thermoplastic polymer P1i (i=1 to n, where n is the number of sealing layers), its Tm is greater than 160°C, and except for one polyether block amide (PEBA), it contains up to 50% by weight of an impact resistance modifier and up to 1.5% by weight of a plasticizer based on the total weight of the composition, and does not contain a nucleating agent, and at least one of the composite reinforcing layers is made of a fibrous material in the form of continuous fibers impregnated with a composition mainly comprising at least one polymer P2j (j=1 to m, where m is the number of reinforcing layers), epoxy resin or epoxy-based resin.

A liner for a pressure vessel comprises body sections, each consisting of a central section and conical sections, and a plurality of connecting sections, each connecting two adjacent body sections in series by means of the conical sections, which have a smaller diameter than the central section and are bent to fold the body sections. The process comprises a step of manufacturing the liner by extruding a tubular preform with a predetermined bore diameter, arranging a tubular mold support element with an outer diameter corresponding to a bore diameter of the connecting section on an inner surface of a section of the preform corresponding to the connecting section, and performing blow molding with the mold support element in contact with the inner surface of the connecting section.

The system (200,200') for the safe storage of ammonia below ground level comprises a storage tank (300,300') located underground for the storage of liquid ammonia, and a safety system (400,400') connected to the storage tank (300,300') to control leakage from the storage tank (300,300') and to allow the transfer of liquid ammonia into and out of the storage tank (300,300'), the safety system (400,400') being configured to receive boiling ammonia gas from the liquid ammonia in the storage tank (300,300') and liquefy it, and to send the liquefied ammonia back to the storage tank (300,300'), and to recover any liquid ammonia that has leaked from the safety system (400,400'), and leaks The system includes a recovery tank (420, 420') configured to deliver leaked liquid ammonia to a storage tank (300, 300'), a scrubber (430, 430') configured to treat ammonia gas leaking from a safety system (400, 400') and to deliver the treated gas to the atmosphere or sea through a carbon filter, a water tank (440, 440') connected to the scrubber (430, 430') and configured to receive contaminated water, a pre-external cooling system (450, 450') configured to pre-cool the storage tank (300, 300') and the recovery tank (420, 420'), and a liquid ammonia transfer system (460, 460') configured to transfer liquid ammonia into and from the storage tank (300, 300'). The reliquefaction system (410, 410') is configured to cool the storage tank (300, 300') and the recovery tank (420, 420') as a result of the liquefaction of ammonia gas.

The present embodiment provides a tank having a liner and a first protective layer, the first protective layer being provided on an outer peripheral surface of the liner, and being configured in a manner that a resin-impregnated fiber bundle containing a reinforcing fiber bundle and a first matrix resin is wound on the liner, and having a bent portion fixed in a state that the resin-impregnated fiber bundle is bent at an end portion of the winding of the resin-impregnated fiber bundle.

A storage tank for compressed substances includes a shell, a first layer of reinforcement material applied around the outside facing surface of the shell, an intermediate material provided on an outside facing surface of the first layer of reinforcement material, and a second layer of reinforcement material provided around at least an outside facing surface of the intermediate material.