2661results about "Vessel walls" patented technology

The invention discloses an enclosure system of a low-temperature storage tank and transportation equipment, and relates to the technical field of fluid transportation, the enclosure system is installed on the inner wall of the low-temperature storage tank, the enclosure system comprises a plurality of heat insulation modules installed on the inner wall of the storage tank, the heat insulation modules are spliced and cover at least part of the inner wall of the storage tank, and the heat insulation modules are arranged on the inner wall of the storage tank; assembling grooves are formed in the splicing positions of the heat insulation modules; the bridging blocks are installed in the assembling grooves, and every two adjacent heat insulation modules can be connected together through the corresponding bridging blocks; the shielding module is connected with the heat insulation module, the shielding module comprises a first shielding layer, a second shielding layer and a third assembly plate, the first shielding layer and the second shielding layer are arranged in a spaced mode, and the third assembly plate is located between the first shielding layer and the second shielding layer. According to the invention, a better shielding effect can be realized by arranging two or more shielding layers, and the first shielding layer and the second shielding layer are arranged at intervals, so that the capacitive coupling effect between the shielding layers is reduced, and the penetrating power of electromagnetic waves is reduced.

The invention relates to the technical field of low-temperature storage tank installation, in particular to a low-temperature storage tank heat insulation module installation construction method which comprises the steps that expansion bolts are implanted into preset point positions of the inner wall of a low-temperature storage tank, inner wall morphology data are obtained through three-dimensional laser scanning, and a point cloud model is generated. A BIM system is used for constructing a three-dimensional model of the installation datum plane, the theoretical leveling height of each expansion bolt point position is calculated, and a leveling parameter instruction set is generated. And a servo motor of the bolt tightening equipment is driven to rotate the ball nut, so that the leveling gasket moves to the target height. And a press-fitting path is generated, a press-fitting mechanical arm is controlled to align the preformed hole of the heat insulation module to the screw part of the expansion bolt and press-fit, and the surface of the heat insulation module is fully attached to the surface of the leveling gasket. And a fastening nut is installed on the screw part of the expansion bolt, three-dimensional deviation analysis is carried out, and iterative correction is carried out. Compared with the prior art, the effects of shortening the construction period, improving the leveling precision, reducing stress concentration, ensuring long-term stability and the like are achieved.

The invention discloses a corrugated through type pump tower base and a mounting method thereof. The corrugated through type pump tower base comprises an upper structure and a lower structure, wherein the bottom of the upper structure is connected with the top of the lower structure; a groove is formed between the upper structure and the lower structure; the groove is formed in the circumferential direction of the bottom of the upper structure; the grooves are used for enabling shielding layer corrugations of the film storage tank to directly penetrate through, and the corrugations are located between the grooves and the top of the lower structure. The problem that the pump tower base interferes with the corrugation continuity can be solved.

The invention discloses an underground gas storage prestress lining structure and a construction method, and relates to the technical field of underground gas storage, the underground gas storage prestress lining structure comprises a lining layer formed by concrete pouring and internally provided with prestress steel bars; the sealing layer is arranged on the inner side of the lining layer and defines a gas storage chamber; the sliding layer is arranged between the lining layer and the sealing layer. The arrangement of the prestressed reinforcements can counteract part of internal pressure of the gas storage, so that the problem of concrete cracking is relieved. The lining layer is divided into the first lining layer and the second lining layer, the tensioning notch is reserved in the bottom of the first lining layer and provides sufficient tensioning space for the prestressed steel bars, the tensioning effect of the prestressed steel bars is ensured, the second lining layer is formed in the tensioning notch in a pouring mode after the prestressed steel bars are tensioned, and the integrity of the lining layer is ensured. After the sealing layer is constructed, grouting is conducted on the gap between the lining layer and the sliding layer, it is guaranteed that grouting is compact and complete, stress concentration is reduced, and the problem of concrete cracking is further relieved.

The invention relates to a hot corner protection structure, a thin film enclosure system and a thin film enclosure construction technology. Comprising an upper heat insulation module, a lower heat insulation module, an embedded part, a secondary corrugated plate and an apron board. The upper heat insulation module and the lower heat insulation module are arranged on the inner wall of the outer tank in the vertical direction, a gap is formed between the upper heat insulation module and the lower heat insulation module, and main corrugated plates cover the outer sides of the upper heat insulation module and the lower heat insulation module. The embedded part is fixed to the inner wall of the outer tank and partially located on the side, close to the upper heat insulation module, of the gap. And the secondary corrugated plate is arranged between the lower heat insulation module and the main corrugated plate. The apron board is connected between the embedded part and the secondary corrugated plate and partially arranged on the side, close to the upper heat insulation module, of the gap. The embedded part, the apron board and the secondary corrugated board are sequentially connected to separate the gap from the main corrugated board, and second longitudinal corrugations are arranged on the apron board in the extending direction. According to the hot corner protection structure, the gap position of the thin film enclosure structure can be protected, and the possibility of leakage of the storage tank is reduced.

The invention relates to a hot corner protection structure and a thin film enclosure system, and relates to the technical field of thin film enclosure systems. Comprising a heat insulation module, a main corrugated plate and an embedded part. The heat insulation module is arranged on the inner wall of the outer tank body and comprises an upper heat insulation module and a lower heat insulation module, and a gap is formed between the upper heat insulation module and the lower heat insulation module. The main corrugated plate is arranged on the side, away from the inner wall of the outer tank body, of the heat insulation module and covers the upper heat insulation module and the lower heat insulation module at the same time. The embedded part is fixed on the inner wall of the outer tank body. And the secondary corrugated plate is arranged between the lower heat insulation module and the main corrugated plate. The apron board is connected between the embedded part and the secondary corrugated plate and partially arranged on the side, close to the upper heat insulation module, of the gap. Wherein the embedded part, the apron board and the secondary corrugated plate are sequentially connected and define a sealing cavity, and the gap and the main corrugated plate are arranged on the inner side and the outer side of the sealing cavity respectively. The hot corner protection structure can solve the problem that in the prior art, the boundary position of a thin film enclosure system is prone to leakage.

A tank system includes a vacuum tank and a pressure tank. The vacuum tank has a vacuum tank main portion extending between vacuum tank end portions. The pressure tank is mounted within the vacuum tank, and has a pressure tank main portion extending between pressure tank end portions. The tank system includes a deflection control system comprising at least one elongate support member extending from a vacuum tank first side of the vacuum tank main portion, and passing through an opening in a pressure tank first side of the pressure tank main portion, and coupled to a pressure tank second side opposite the pressure tank first side. The elongate support member is configured to support the pressure tank main portion and reduce deflections of the pressure tank main portion relative to the vacuum tank main portion when the tank system is subjected to a load.

Membrane tank for containment of fluids at temperature that can differ significantly from ambient temperature, for example for containing a cryogenic fluid, wherein the membrane tank comprises, in direction from an inner containment volume: a primary membrane that is fluid tight, facing the contained fluid in operation and functioning as the primary fluid barrier, an insulation layer, surrounding the membrane on the outside, an outer structure, such as a ship hull or bulkhead or other structure, wherein the outer structure supports the insulation layer and primary membrane inside and carries the resulting forces thereby, and at least one opening for loading and unloading of fluid, and an optional secondary membrane if the outer structure is a steel structure becoming brittle at cryogenic temperature, such as a ship hull outer structure, the secondary membrane dividing the insulation layer into an inner insulation between the primary and secondary membranes and an outer insulation between the secondary membrane and the outer structure, wherein the primary membrane comprises areas of flat, curved or double curved shape and a corrugation in between said areas, wherein said areas are fastened to the underlaying insulation and the corrugations are taking up thermally induced strain. The membrane tank is distinguished in that it further comprises a coupling part for connecting a vacuum pump operatively to the whole insulation layer or the inner insulation layer, for enabling vacuum in the whole insulation layer or the inner insulation layer, during loading, containment and unloading of cryogenic fluid.

The invention relates to a heat insulation module structure and a storage container thereof, the heat insulation module structure comprises a shielding group, a heat insulation module and an anchoring assembly, and the shielding group is fixedly connected with the heat insulation module through the anchoring assembly; the shielding group comprises a main shielding layer, a main plywood and a secondary shielding layer, and the main plywood is arranged between the main shielding layer and the secondary shielding layer; the heat insulation module comprises first plywood, second plywood and a truss structure arranged between the first plywood and the second plywood, the truss structure is divided into a plurality of heat insulation filling areas in a surrounding mode, and the heat insulation filling areas are filled with reinforced polyurethane foam; the first plywood is arranged on the side, close to the shielding set, of the heat insulation module. The shielding set, the first plywood and the truss structure of the heat insulation module are fixedly connected through anchoring assemblies. The heat insulation performance, the structural strength and the construction safety of the heat insulation module structure and the storage container thereof can be effectively improved.

A production control system for a hydrogen storage tank includes: an operating unit, a design terminal, and a processor. The processor may be communicatively connected to the operating unit and the design terminal, respectively. The design terminal may be configured to operate a finite element simulation command stored in a storage unit. The processor may be configured to obtain the target laying parameter from the design terminal, generate an operation command based on the target laying parameter, send the operation command to the winding mechanism; and determine whether to generate an optimization command. In response to a determination of generating the optimization command, the optimization command may be generating and sent to at least one of the operating unit, the monitoring unit, and the design terminal.

A fluid storage and supply device comprising a cryogenic reservoir for storing liquefied fluid, a withdrawing circuit comprising a first withdrawing pipe having a first upstream end connected to the upper part of the reservoir and a second downstream end intended to be connected to a user member, the first withdrawing pipe comprising a first heating heat exchanger situated outside the reservoir and a second heating heat exchanger situated inside the reservoir, the withdrawing circuit comprising a set of valve(s) configured to ensure the passage of a flow of fluid circulating from the first end towards the second end by passing through the first heat exchanger and then through the second heat exchanger or by passing solely through the first heat exchanger without passing through the second heat exchanger, characterized in that the device further comprises a system for pressurizing the reservoir comprising a pressurizing pipe separate from the withdrawing circuit and comprising two ends respectively connected to the upper and lower parts of the reservoir, a vaporizing heat exchanger and a set of valve(s) configured to allow the withdrawal of liquid from the reservoir, the heating thereof in the vaporizing heat exchanger and the reintroduction thereof into the reservoir.

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.

A fuel rail and a method for producing the fuel rail for a pressure vessel system are provided. The method provides a fuel line and configures a plurality of rail connectors. The rail connectors have a cross-sectional area that is enlarged in comparison to the provided fuel line, and the rail connectors are configured so as to be integral to the fuel line.

The invention relates to a pressurised fluid container (30), in particular a gas cylinder, having a container body (31) fitted with a fluid dispensing valve (10) and also an electronic device (20) having a casing (21) having an end fitting (25) configured to be housed in an end fitting housing (15) of the valve body (10). A protective cover (40) is arranged around the valve body (11). The peripheral wall (21.1) of the casing (21) is shaped for the peripheral edge (43) of the opening (42) of the cover (40) in order to keep the electronic device (20) secured to the cover (40) when its end fitting (25) is housed in the end fitting housing (15) of the valve body (11).

The present invention relates to a liquefied gas storage facility comprising: a load support structure having a bottom wall and a vertical load support wall, the vertical load support wall being composed of N vertical load support panels; and a can comprising a bottom wall and a vertical wall, the bottom wall comprising a plurality of angular sectors, the corrugated sealing membrane of each angular sector having a first corrugation, the corrugated sealing membrane of each angular sector comprising a plurality of metal plates arranged to form a loop portion, the loop portion comprises a set of complete metal sheets in which the total number of first corrugations present on the loop portion increases in the direction of the vertical wall, said total number increasing only per M consecutive loop portions, where M is a natural integer greater than or equal to 2.

The invention relates to a pressure vessel (1), comprising a vessel body (3), wherein at an upper end of the vessel body (3) an end region (2) is formed in one piece with the vessel body (3), which has an opening (O), and a fastening structure (9) for a valve (6) formed on the inside of a wall (2.1) surrounding the opening (O) of the end region (2). According to the invention, two outflow openings (SO) are formed opposite each other in the wall (2.1) surrounding the opening (O) of the end region (2).

A liquid cryogen stored in a liquid cryogen space of a closed insulated cryogenic storage vessel is subcooled by allowing it to enter into a conduit disposed in the liquid cryogen space where it is expanded by a pressure reducer in the conduit, thereby producing a cooled biphasic mixture of the cryogen in liquid and vaporized forms. The cooled biphasic mixture has a temperature lower than that of the liquid cryogen in the liquid cryogen space. Heat is transferred across the conduit from the liquid cryogen in the liquid cryogen space to the cooled biphasic mixture.

Disclosed in the present disclosure is a multi-position controlled airway valve, including a venting control member; a valve body, provided with a fluid channel and a venting channel, in which the venting control member is provided on the venting channel; a valve core assembly, mounted in the fluid channel, controlling the fluid channel to switch between a connected state and a sealed state, wherein the valve core assembly in a filling mode controls the fluid channel to be in the connected state and abuts against the venting control member so as to keep the venting channel to be in a ventilated state. Disclosed is also a refilling device applied with the multi-position controlled airway valve and a refilling system applied with the refilling device, so as to achieve the objective of removing air and residual gases promptly when refilling with new fuels.

The invention provides a low-temperature double-layer storage tank. The low-temperature double-layer storage tank comprises an outer tank body, an inner tank body, an inner supporting assembly and an outer supporting assembly. The inner tank body is accommodated in the outer tank body; the inner supporting assembly comprises a plurality of inner supports arranged at intervals in the axial direction of the inner tank body, the tops of the inner supports are attached to the periphery of the inner tank body, and the bottoms of the inner supports extend downwards to penetrate out of the outer tank body. The multiple inner supports are divided into inner sliding supports and inner fixed supports, the inner sliding supports can move relative to the inner tank body in the axial direction of the inner tank body, and the inner fixed supports are fixedly connected with the inner tank body; the outer supporting assembly comprises a plurality of outer supports; the outer supports and the inner supports are arranged in a one-to-one correspondence mode, the outer supports are arranged on the outer sides of the inner supports in a sleeving mode respectively, the tops of the outer supports are attached to and fixed to the bottom of the outer tank body in a sealed mode, and the bottoms of the outer supports abut against and support the inner supports. When cold energy in the inner tank body is transmitted to the inner supporting assembly, the inner sliding support can slide relative to the inner tank body, and therefore the supporting capacity of the low-temperature double-layer storage tank is improved.

A system and method for hydrogen storage, and delivery. The system includes a hydrogen storage tank, a first pump disposed within the hydrogen storage tank, and a second pump disposed outside of the hydrogen storage tank. The hydrogen storage tank is to store gaseous hydrogen and liquid hydrogen. The first pump is to pump out liquid hydrogen out of the storage tank, producing a low pressure flow. The second pump is to receive this low pressure flow and produces a high pressure flow of liquid hydrogen. The system can also include a thermal device disposed within the hydrogen storage tank to heat gaseous hydrogen when a pressure within the hydrogen storage tank drops below a predetermined minimum pressure. The system can also include a heat exchanger to receive the high pressure flow of liquid hydrogen from the second pump.

The invention relates to a system for storing liquid hydrogen and for distributing gaseous hydrogen, comprising a source of liquid hydrogen (20), at least two gaseous hydrogen tanks (31-35) to be filled and a transfer device comprising: a transfer unit (25) configured to transfer liquid hydrogen from the hydrogen source (20) to any of the tanks, a vapour compressor (10) having a first upstream end and a second downstream end fluidly connected to each of the tanks, a set of valves (51-55), a control device configured to issue a command to transfer the liquid hydrogen and to open and / or close one or more valves (51-55), the compressor (10) being arranged so as to transfer vapours created during filling from any tank to each of the other tanks in succession, by compressing the vapors to a pressure greater than the pressure in the tank during filling.

The present disclosure provides systems and methods for storing, transporting, and using hydrogen. In some embodiments, the method may comprise (a) storing hydrogen fuel in one or more fuel storage modules; (b) transporting the one or more fuel storage modules to a vehicle fueling site, wherein one or more hydrogen fuel compatible vehicles are located at or near the vehicle fueling site; (c) loading the one or more fuel storage modules into the one or more hydrogen fuel compatible vehicles, wherein the one or more fuel storage modules are configured to be releasably coupled to the one or more hydrogen fuel compatible vehicles; and (d) decoupling the one or more fuel storage modules from the one or more hydrogen fuel compatible vehicles after the one or more fuel storage modules are depleted or partially depleted.

The invention discloses an in-tank convection prevention device and method. The in-tank convection prevention device comprises a storage tank body, a heat insulation module, a shielding corrugated plate, a bonding connecting strip and a convection blocking strip. According to the convection prevention method, the heat insulation module is firmly fixed by bonding the connecting strips, and a gas vertical flowing channel in a gap between the storage tank body and the heat insulation module is forcibly cut off by utilizing the transversely arranged convection blocking strips; according to the storage tank, a'thermosyphon 'closed circulation loop causing heat transfer is effectively damaged, continuous gas convection is avoided, and therefore structural damage or deformation of the storage tank body caused by local low-temperature impact is effectively prevented while the overall cold insulation performance is greatly improved and the cold loss is reduced.

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.

The invention relates to a method for conveying a cryogen (H2) from a storage container (2) to a load (3), having the following steps: a) introducing (S1) the cryogen (H2) from the storage container (2) into a conditioning container (8, 9, 10), b) bringing (S2) the cryogen (H2) received in the conditioning container (8, 9, 10) to its supercritical state, and c) discharging (S3) the cryogen (H2) from the conditioning container (8, 9, 10) to the load (3). The cryogen (H2) received in the conditioning container (8, 9, 10) is kept in the supercritical state during step c) in that a part of the cryogen (H2) is removed from the conditioning container (8, 9, 10), heated, and returned to the conditioning container (8, 9, 10) using a pressure build-up system (28, 29, 30), wherein the cryogen is received in a volume (31, 33) of the pressure build-up system (28, 29, 30) and is enclosed between valves (V5.1, V6.1; V5.1, V7.1) in the volume (31, 33), heat is supplied to the cryogen enclosed in the volume, and when a desired target pressure of the enclosed cryogen is reached, the cryogen is returned to the conditioning container (8, 9, 10).

A pressure vessel for storing may have a connection piece for forming a fluid connection between the fuel storage volume V of the pressure vessel and an energy converter of a motor vehicle. At least part of the connection piece may extend out of the pressure vessel. An outer surface of the connection piece may have a sealing face and a curved fastening face. The sealing face may be designed to seal off the fluid connection between the pressure vessel and a fuel-conducting section of the motor vehicle. The fastening face may be provided for fastening the pressure vessel to at least one body attachment element.

A liquid hydrogen storage tank capable of eliminating thermal stratification with low turbulence relates to the field of liquid hydrogen storage and comprises a tank body and a spray rod mechanism arranged in the tank body, the spray rod mechanism is communicated with a liquid hydrogen circulation pipeline, and liquid hydrogen in the tank body is extracted by the liquid hydrogen circulation pipeline and sprayed to a heat leakage point through the spray rod mechanism. The spray rod mechanism comprises a main guide pipe and a plurality of branch guide pipes, the tail ends of the branch guide pipes are provided with distribution assemblies attached to the heat leakage points, and the distribution assemblies are of structures defined by elastic metal wire meshes and filled with porous media, so that liquid hydrogen is dispersed and sprayed to the heat leakage points through the porous media, and turbulence of the liquid hydrogen is reduced. The spray rod mechanism is arranged in the storage tank, and the liquid hydrogen is directly sprayed to the heat leakage point by utilizing the guide pipe and the distribution component of the spray rod mechanism, so that turbulence of the liquid hydrogen in the tank is reduced, and evaporation of the liquid hydrogen caused by heat leakage is slowed down.

Provided in the present application are a heat-insulating system of a B-type independent liquid tank, and a ship. The heat-insulating system comprises: prefabricated heat-insulating plates arranged on the outer surface of a liquid tank, wherein the side surface of each prefabricated heat-insulating plate is of a step shape; fixing assemblies arranged at joints of the prefabricated heat-insulating plates, wherein each fixing assembly comprises a fixing column and a U-shaped fixing member, two flanges are provided at the top of each U-shaped fixing member, the flanges are arranged on the stepped side surfaces of the prefabricated heat-insulating plates, and each joint between inner heat-insulating layers is filled with an elastic heat-insulating joint-filling material; heat-insulating plug blocks, U-shaped areas of the U-shaped fixing members being filled therewith; joint heat-insulating plates, each of which is arranged in a joint between adjacent outer heat-insulating layers, each joint heat-insulating plate being connected to the prefabricated heat-insulating plates, an extending overlap layer, the U-shaped fixing member and the heat-insulating plug block; and joint protection layers, each of which is laid on the upper surface of a joint between two adjacent prefabricated heat-insulating plates. The present application simplifies the product structure, shortens the design period, simplifies the mounting process, and reduces costs.

The invention relates to a method for determining a maximum flow rate setpoint for emptying a pressurised gas tank for a mobile or stationary apparatus with a view to controlling the temperature of the tank during the emptying thereof, the determination method comprising the following steps: - measuring the temperature outside the tank and providing a value (Te) for the temperature measured outside the tank, - measuring the temperature inside the tank and providing a value (Ti) for the temperature measured inside the tank, - measuring the pressure inside the tank and providing a value (Pi) for the pressure measured inside the tank.