667results about "Vessel manufacturing" patented technology

Disclosed is a method of fastening a cap of a container, the method including: specifying a screw thread engagement point of a cap and a neck ring of a container; and aligning the engagement point with a fastening start position of the cap and fastening the cap to the neck ring, in which the specifying of the engagement point includes detecting the engagement point by rotating the cap in a reverse direction in a state where the cap is seated on the neck ring.

An underground storage system for storing fluid includes a hole having a bottom, a support element including at least one opening able to receive a joining element, at least one reservoir having a longitudinal axis, a bottom end and a top end, a first closure able to close the reservoir at its bottom end, and a second closure able to close the reservoir at its top end. The top end is able to be joined to the support element via the joining element such that the reservoir is hung inside the hole and such that an axial clearance able to absorb axial thermal expansion of the reservoir remains between the first closure and the bottom.

The present invention discloses a solid-state hydrogen storage and discharge device with enhanced heat exchange and easy loading and unloading, which has the following features: a method of enhancing heat exchange by adopting a fluid jacket layer outside the container shell and an external and internal heat exchange jacket core of a central axis return pipe, and rapidly introducing or removing heat from the entire surface of the hydrogen storage filler through heat conduction of a heat transfer metal tray; processing a plurality of longitudinal ventilation holes on the heat transfer metal tray and the hydrogen storage filler to reduce airflow resistance, greatly increase the specific surface area of ​​the hydrogen storage filler, and improve the hydrogen storage rate; punching increases the expansion space capacity of the hydrogen storage alloy medium, thereby reducing the external expansion rate of the hydrogen storage medium block, reducing internal stress, and preventing it from extruding and agglomerating and failing; due to the clamping and support of the heat transfer metal trays between the layers, and the slowing of temperature rise and fall and temperature gradient, the hydrogen storage filler is not easy to break into powder, and its service life is greatly extended; the layered and discrete combination of the filler and the tray simplifies the operation of loading or pulling out the filler, and it becomes quite easy to replace the hydrogen storage filler partially or completely.

A hydrogen tank includes a tank body, a boss connected to at least one end of the tank body and having a skirt extending radially with respect to an axial direction of the tank body, and a nozzle installed inside the tank body via the boss and configured to spray hydrogen gas at a predetermined angle with respect to the axial direction of the tank body. The nozzle includes a connector coupled to the boss, an extension portion extending from the connector parallel to the axial direction of the tank body, an inclined portion connected to an end portion of the extension portion and inclined with respect to the axial direction of the tank body, and an injection member provided at an end portion of the inclined portion.

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 relates to a pressure tank for installation in a gas-driven vehicle for storing gas and to a method for producing a pressure tank or a preform of a pressure tank, the pressure tank having a rotationally symmetrical, longitudinally extending shape which is cylindrical in the middle region and which is closed at both ends with curved pole caps, the pressure tank has a tank wall, which encloses a cavity for storing gas, and a metal coupling, so-called boss, on each pole cap, the tank wall comprising a reinforcement layer made of a fiber-reinforced plastic and an inner sealing gasket, and wherein the pressure tank has a hollow space for storing gas, and a metal coupling, so-called boss, on each pole cap, and wherein the pressure tank has a hollow space for storing gas, and wherein the pressure tank has a hollow space for storing gas, and a metal coupling, so-called boss, on each pole cap. According to the invention, there is a bushing which is connected to the boss part, the pressure ring and the spring element for sealing in such a way that the spring element is supported on the bushing and the pressure ring is pressed onto the gasket and thus the gasket is pressed in the region on the boss part.

The invention relates to a three-section type composite material air cylinder which comprises two oppositely-arranged shells, and each shell is provided with an opening end; the connecting piece is arranged between the opening ends of the two shells; wherein the opening end of the shell or the end face of the connecting piece is provided with a groove extending in the circumferential direction, and the shell and the connecting piece are bonded through the groove. The shell and the connecting piece are in surface contact connection through the double-layer bonding surface of the groove, under the condition of the same pressure intensity, the surface contact structure has a larger stress area, stress concentration can be effectively reduced, stress distribution of the connecting part is more uniform, the groove has a limiting effect, the connecting precision is ensured, and the service life of the shell is prolonged. And the air tightness of the connecting part and the reliability of the whole structure are improved.

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.

Gas canisters are provided that include an elongate body comprising a barrel region surrounding a cavity containing pressurized gas, an enclosed first end, and a neck region extending from the barrel region to an open second end including an outlet. A cap is attached to the neck region to enclose the cavity that includes one or more openings. A valve member and a dissolvable trigger member are provided in the cap such that the valve member seals the one or more openings to initially prevent the pressurized gas within the cavity from escaping until the trigger member dissolves. When the trigger member dissolves, the valve member moves to allow the one or more openings to communicate with the cavity to release the pressurized gas from the cavity through the one or more openings.

A multi-layered vessel may include a first vessel layer and a retaining vessel layer. The retaining vessel layer may be configured to strengthen the first vessel layer, and the retaining vessel layer may be secured to outer walls and / or inner walls of the first vessel layer. The first vessel layer alone (or with the retaining vessel layer and / or one or more additional retaining vessel layers) may form a sealed vessel.

The invention discloses a light-weight composite material gas cylinder and a preparation method thereof, and relates to the technical field of automobile parts, the light-weight composite material gas cylinder comprises a non-metal inner container, and is characterized in that a fiber resin reinforcing layer is wound outside the inner container, cylinder mouths are arranged at two ends of the inner container, sealing inserts are arranged in the cylinder mouths, and end sheaths are in threaded connection with the outer parts of the cylinder mouths; the end sheath is in threaded connection with a metal end, and a first sealing ring is arranged between the metal end and the sealing insert; according to the light-weight composite material gas cylinder and the preparation method thereof, the gas cylinder is light in weight, high in fatigue resistance and stable in end connection, the overall strength of the end position is guaranteed while the sealing performance is guaranteed, the gas leakage phenomenon is avoided, compared with a metal inner container gas cylinder, the problem that a pipeline is blocked by welding slag generated by a metal welding process is solved, and the service life of the gas cylinder is prolonged. The sealing structure has the advantages of corrosion resistance, zero welding seam, reliable sealing and the like, reduces the servicing mass of the automobile, improves the power of the automobile and reduces the fuel consumption.

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 present disclosure provides a carbon-fibre composite high-pressure hydrogen storage tank, including a tank body, wherein a gas guide port is formed in one side of the tank body, a reinforcing member for improving the strength of the tank body is arranged in an inner cavity of the tank body, a side end of the reinforcing member is fixedly connected to an inner wall of the tank body, and the tank body and the reinforcing member are all made of the carbon-fibre composite. The present disclosure further provides a manufacturing process for the carbon-fibre composite high-pressure hydrogen storage tank. The reinforcing member for connecting and supporting two ends of an inner wall of the tank body is arranged in the inner cavity of the tank body of the hydrogen storage tank provided by the present disclosure, a reinforcing ring is arranged on the inner wall of the tank body along a circumferential direction, so as to improve the whole strength and rigidity of the hydrogen storage tank and ensure the safer and more reliable hydrogen storage tank under a high pressure.

To suppress the degradation of sealing property of a pressure vessel and the deterioration of a sealing member, and to reduce the workload and cost of manufacture, a blow molding device includes a pair of molds configured to be clamped to sandwich a parison from both lateral sides, and a blow pin configured to form a neck portion together with the molds. The blow pin includes a blow pin body portion having an outer circumferential surface of a shape corresponding to an inner circumferential surface of the neck portion, and a ring portion forming an annular recess portion between the blow pin body portion and the ring portion to form an outer circumferential surface of a tip portion of the neck portion, which is a smooth surface without any parting line.

Provided is a pressure vessel (1) comprising a liner (2) and an insert member (3) that are integrally formed by blow molding the liner (2). The insert member (3) has a cylindrical shape with an inner diameter opening portion (27). The liner (2) is molded integrally with the insert member (3) by inserting a parison through the inner diameter opening portion (27) and performing blow molding. Since the liner (2) is inserted inside the insert member (3) and is blow molded, a pinched portion is not generated. Consequently, strength of the pressure vessel (1) can be improved, and fluid is prevented from leaking between the liner (2) and the insert member (3).

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 pressure vessel assembly comprises one or more pressure elements configured to store compressed gas; an end fitting that extends from an internal cavity of the one or more pressure elements; and a retention component configured to sustain engagement of the end fitting with at least one of the one or more pressure elements below a predetermined pressure threshold. The retention component comprises a plug connected with the end fitting so that the end fitting does not slide through an opening of the one or more pressure elements; or an anchor connected with the end fitting and comprising one or more arms that are configured to sustain engagement of the end fitting with the at least one of the one or more pressure elements.

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 four-lobe cargo tank for transporting and / or storing liquefied gas, the tank having four main lobes, each having a cylinder sector outer shell and a main lobe axis, the four main lobe axes being axially parallel to and centered about a common main central axis, the four main lobes being joined by four web frames to four diagonally corresponding perforated bulkheads directed outward from the main central axis, the tank further comprising first and second end covers, each end cover further comprising four quarter spherical shell sections forming end portions of the cylinder sector outer shell, the quarter spherical shell sections of each of the first and second end covers being joined toward and closed by four diagonally arranged cylindrical 45-degree cut pipe sections, each of the first and second diagonally arranged cylindrical 45-degree cut pipe sections being arranged such that its axis transverses the main axis.

A storage device (10) for hydrogen under high pressure is described, comprising a cylindrically elongated tank housing (12) and a thin-walled inlay (33) lying against the inner surface (30) of the tank housing (12), wherein the tank housing (12) has a tubular body (14), in the two axially spaced end sections (16) of which a closure body (18) is sealingly mounted, which closure body is formed with a circumferential chamfered surface (28) on the axial inner end section (24) of its cylindrical outer surface (26), so that a gap (32) is formed between the cylindrical inner surface (30) of the tubular body (14) and the chamfered surface (28) of the respective closure body (18), and wherein the inlay (33) is formed by an inlay tube (34) and the respective axial end section (36) of the inlay tube (34) extends into the associated gap (32). extends into.

The invention relates to an annular crane beam electric hoist cable laying device and method. The device comprises an annular crane beam, a distribution box, a center supporting part and an edge supporting part. According to the annular crane beam electric hoist cable laying device and method, a cable pulley does not need to be installed on the annular crane beam to be used for hanging the cable, operation of the electric hoist on the annular crane beam can be not limited, and a whole circle of circular motion can be achieved.

High-pressure vessel (10) with a lining (300) and a composite layer (400) for reinforcing a circumference of the lining (300), wherein the high-pressure vessel (10) has the following: a cylinder part (200) along an axial direction of the high-pressure vessel (10); and Curved parts (100) that are attached to both ends of the cylinder part (200) to surround the high-pressure reservoir (10), wherein the composite layer (400) arranged on the cylindrical part (200) contains a plurality of ring layers (410) and spiral layers (420) that are alternately overlapped, wherein an annular layer (410) that is located closer to the lining (300) has a greater thickness than an annular layer (410) that is located further away from the lining (300), such that the thickness of the annular layers (410) decreases while the distance from the lining (300) increases, and wherein a layer of the composite layer (400) that is located closest to the lining (300) is an annular layer (410) among the plurality of annular layers (410), and wherein a layer of the composite layer (400) that is located furthest from the lining (300) is an annular layer (410) among the plurality of annular layers (410).

Insulated enclosure (CB1) having at least one flat surface, containing at least one piece of equipment (C, SR) intended to operate at a temperature below 0°C, the space inside the enclosure being intended to be at a pressure lower than atmospheric pressure and being filled with thermal insulation and the thermal insulation being composed of a multiplicity of spherical beads of thermally insulating material.

The present invention discloses a longitudinal support device for a large-capacity railway cryogenic tank car. The longitudinal support device connects an inner head and an outer head and is located at the center of the inner and outer heads. The longitudinal support device includes a support flange, a longitudinal tensile bearing frame, a heat insulation component, and a longitudinal push-pull support seat. The present invention can avoid opening a mounting hole in the head of the tank body, thereby maintaining the integrity of the inner head. The longitudinal support device is located at the center of the head on one side of the tank body. When subjected to a longitudinal load of 2500KN in the second railway working condition, the inner and outer tank bodies are subjected to more uniform force in the axial direction. The longitudinal support device effectively reduces heat leakage from the cryogenic tank body and improves the thermal insulation performance of the cryogenic tank body.

The present application relates to a plastic liner carbon fiber wrapped gas cylinder embedded bottle mouth sealing structure and manufacturing method, the plastic liner carbon fiber wrapped gas cylinder embedded bottle mouth sealing structure includes: the plastic liner bottle mouth includes a bottle mouth neck and a bottle mouth portion that are coaxially arranged and interconnected, a metal reinforcement is embedded in the plastic liner bottle mouth, the metal reinforcement is arranged around the outside of the central axis of the plastic liner bottle mouth, and is fully covered by the plastic liner bottle mouth, the metal reinforcement and the inner wall of the bottle mouth neck form an annular plastic thin layer, the outer peripheral surface of the bottle valve is provided with a radial sealing groove, and a sealing ring is provided in the radial sealing groove, and the sealing ring is configured to be in sealing contact with the plastic thin layer when the bottle valve and the internal thread are connected. In summary, the plastic liner carbon fiber wrapped gas cylinder embedded bottle mouth sealing structure in this embodiment improves the sealing reliability of the plastic liner bottle mouth by embedding the metal reinforcement in the plastic liner bottle mouth, and the metal reinforcement and the bottle mouth neck form a plastic thin layer.

The present invention discloses a liquid helium storage tank, belonging to the field of liquid helium storage technology. The liquid helium storage tank comprises an outer shell, a cold shield, and an inner container, arranged sequentially from the outside to the inside. The cold shield is wrapped around the inner container, and the outer shell is wrapped around the cold shield, forming a three-layer straight cylindrical horizontal structure. The liquid helium storage tank uses the cold shield as a boundary and fulcrum to divide the tank support into two temperature ranges. The inner container is supported on the cold shield and the outer shell, and the cold shield is supported on the outer shell. The hot end temperature of the inner container support structure can be reduced from 293K to 77K, thereby significantly reducing radiative heat transfer. The liquid helium storage tank is also provided with a helium pipeline. When the helium pipeline is discharged, a shielding layer is formed outside the liquid helium pipeline to absorb external heat transfer, effectively reducing evaporation loss of liquid helium in the liquid helium pipeline. By providing a thermal bridge and a vacuum pipeline, a vacuum shielding layer is formed, thereby reducing the conduction of external heat into the liquid helium pipeline. At the same time, the thermal bridge can meet the deformation coordination under the action of temperature difference.