2823results about "Gas handling applications" patented technology

The invention relates to a mobile hydrogen refueling station comprising at least a first, second and third hydrogen gas source configured for storing gas at different pressures. Said mobile hydrogen refueling station further comprises at least two filling hoses, connectable to said first, second and third hydrogen source a via conduit system and to a receiving vessel. Said mobile hydrogen refueling station further comprises a controller configured for simultaneously controlling refueling of at least a first and a second receiving vessel by: controlling flow of hydrogen gas from said first, second or third hydrogen gas source via a first of said at least two filling hoses to said first receiving vessel, and controlling flow of hydrogen gas from said first, second or third hydrogen gas source via a second of said at least two filling hoses to said second receiving vessel.

Disclosed in the present invention are an underground gas storage device for compressed air energy storage and a construction method therefor. The underground gas storage device for compressed air energy storage comprises an underground gas storage cavern, the underground gas storage cavern being formed of a plurality of underground gas storage cavern sections, wherein a connecting tunnel is provided between two non-adjacent underground gas storage cavern sections, a vertical shaft is provided at the top end of the connecting tunnel, and a sealing plug is provided in the intersection between the vertical shaft and the connecting tunnel; a gas intake pipeline and a gas output pipeline are provided in the vertical shaft, and a sump is provided on an outer bottom wall of the connecting tunnel; a first drainage ditch is provided around the top face edge of the sealing plug in the vertical shaft, and the first drainage ditch is in communication with the sump; and a drainage blind pipe assembly is provided on the periphery of the underground gas storage cavern sections, and the drainage blind pipe assembly is in communication with the sump via a second drainage ditch arranged at the outer bottom wall of the connecting tunnel. The present invention can achieve one-time excavation forming, without transformation and with relatively low construction difficulty, and can effectively reduce the influence of underground water on the underground gas storage cavern during a construction period, operation period and maintenance period.

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.

A method for providing a fuel includes providing biogas from a plurality of biogas sources, the biogas from each biogas source produced in a process comprising filling a vessel with raw biogas or partially purified biogas to a pressure of at least 1500 psig and transporting the filled vessel to a centralized processing facility by vehicle. A fuel is produced in a fuel production process that includes feeding the biogas transported to the centralized processing facility to a biogas upgrading system that is configured to provide a carbon dioxide removed from the biogas. The removed carbon dioxide is provided for transport by vehicle and / or pipeline and / or sequestered to offset greenhouse gas emissions attributed to compressing the biogas for transport.

The present invention relates to a method for filling a gas cartridge (200) with pressurized gas or liquefied gas, the gas cartridge (200) comprising a container (120) and a valve (100) which are connected to one another by a threaded connection that can be tightened and loosened by rotation about a longitudinal axis (L), the valve (100) preferably having at least one primary opening (101), which opens laterally with respect to the longitudinal axis (L), for the admission and discharge of gas when the valve (100) is open, the method having the following method steps: i. at least partially loosening the threaded connection; ii. filling the container (120) with pressurized gas or liquefied gas through a. a thread flight (104) of the at least partially loosened threaded connection; and / or b. a secondary opening (102), which opens laterally with respect to the longitudinal axis (L) and which has been opened up as a result of the threaded connection having been partially loosened, of the valve (100); and / or c. a valve-side recess (105), which has been opened up as a result of the partial loosening of the threaded connection, in a thread flight (104) of the threaded connection; iii. tightening the threaded connection.

The present disclosure provides active venting control systems for use with liquid hydrogen tanks. The active venting control system allows a greater mass of hydrogen to be safely stored for a greater period of time. The systems is configured to actively monitor, control, and vent hydrogen based on a combination of pressure and fill level within the tank. When the tank reaches a predetermined fill level, the active venting control system is configured to vent the tank for a predetermined period of time. The active venting control system is configured to repeat the process during a transit and storage time, allowing the tank to be filled with a higher initial fill level and hold a greater mass of hydrogen compared to passive pressure relief systems.

An apparatus includes a Dewar having an endcap. The apparatus also includes a heat sink and a multiaxial thermal shoe having a thermal interface material and configured to thermally couple the endcap of the Dewar to the heat sink via one of at least two axial surfaces. The multiaxial thermal shoe is configured to transfer thermal energy between the endcap of the Dewar and the heat sink without structurally coupling the Dewar to the heat sink. The multiaxial thermal shoe may be configured to hold the thermal interface material against the endcap. The multiaxial thermal shoe may couple to the heat sink via a first axial surface in-line with an optical centerline or a second axial surface crosswise to the optical centerline.

The present invention relates to a rebound composite electromagnetic energy dissipation device for reducing sloshing with a liquid-filled ball for a large liquefied natural gas (LNG) storage tank. When the liquid surface sloshes around, the gas spring is pulled by the steel strand to produce vertical displacement and provide a restoring force, and the vertical displacement of the gas spring drives the fan blades on the sleeves of the ball screws at the bottom to rotate in the damping fluid, consuming energy. The present invention uses hydraulic transmission instead of mechanical transmission of traditional piston motion, and the horizontal pistons produce horizontal displacement in the case of pressure unbalance, thus increasing the flexibility of horizontal piston motion; magnets are arranged in the horizontal slideways and the horizontal pistons to intensify the motion of the horizontal pistons and the relative motion between the horizontal pistons and the interior.

A gaseous fuel storage system includes: one or more storage tanks, each having a first end and a second end, the first end of each tank having a connection fitting; a piping and valving assembly coupled to the connection fitting, wherein each of the one or more tanks is coupled to an outlet line through a remote shut off valve; a first cabinet surrounding the piping and valving assembly and a portion of the first end of the storage tanks; a detector disposed in the first cabinet which operable to detect the presence of hydrogen gas and generate a signal representative of a hydrogen gas concentration; and an electronic controller operably connected to the sensor apparatus and to the remote shut off valve, wherein the electronic controller is programmed to close all of the remote shut off valves in response to detection of a first predetermined concentration of hydrogen.

A sensor mounting assembly is configured for use with a vessel arrangement including at least four vessels. The assembly includes first and second elongated frame members, first and second rollers, and first and second sensors. The first sensor is attached to the first elongated frame member and is configured to contact the surface of the first vessel upon actuation in a first direction. The second sensor is attached to the second elongated frame member and is configured to contact the surface of the second vessel upon actuation in a second direction that is substantially orthogonal to the first direction. This disclosure also describes a method of mounting at least six sensors for use with a vessel arrangement including at least four vessels, the vessel arrangement disposed in a container in a two-by-two stacked configuration having a central space.

A pressure vessel may include a body formed of a polymeric material. The body may extend between a first end and a second end. The body may include a center column defining a first inner volume extending between the first end and the second end. A wall may be connected to the center column. The wall may surround the center column and define a second inner volume therebetween. The second inner volume may be disposed annularly around, and fluidly separate from, the first inner volume. The pressure vessel may also include a first end cap coupled to the center column at the first end and second end cap coupled to the center column at the second end. The first end cap may close off the first inner volume at the first end. The second end cap may close off the first inner volume at the second end.

The present invention relates to a fuel oil theft prevention tool configured to prevent theft or siphoning of fuel oil from a fuel tank. The tool is compact and lightweight and includes a metal female×female reduced coupling, a heavy-duty metal screen having a plurality of holes disposed therein, the screen is positioned inside the reduced coupling and is secured / biased and held tight by a torsional spring, a male×female hex bushing having a hexagonal head is positioned inside the reduced coupling over the screen for further securing of the screen. The tool is positioned between the fuel delivery pipe and the supply pipe and is configured to allow flow of fuel oil in only one direction.

The present invention relates to a check valve, in particular of a hydrogenation installation, having an inlet and an outlet which define a flow direction which extends from the inlet to the outlet. The check valve has a piston (6) movably arranged relative to the inlet and the outlet to open and close the inlet of the check valve, where the piston (6) defines a piston axis (63) by means of a first end facing the inlet and a second end facing the outlet. The piston (6) has an outer surface along which a fluid flowing through the check valve in a flow direction flows. The outlet has outlet channels (35) in order to enable the fluid to flow outward from the check valve, all outlet channels (35) of the outlet running obliquely with respect to the piston axis (63). The check valve can be used for high pressure and allows soft closing even in the event of a reversal of the pressure action. The check valve is used in particular in hydrogen refueling stations.

The present invention discloses a cryogenic liquid insulated tank truck, comprising a traction pin assembly arranged on an outer container tank body of a double-layer tank body, a wave-proof device arranged in an inner container of the double-layer tank body, and a liquid phase damper for pressure measurement arranged on the double-layer tank body; the traction pin assembly comprises a traction chamber arranged in a traction base, and a composite elastic deformation body installed in the traction chamber, the composite elastic deformation body comprises a rigid body slidably arranged in the traction chamber in a horizontal direction, and an elastic body arranged on the rigid body, an elastic deformation connection is formed between the elastic body in the composite elastic deformation body and the traction chamber in a horizontal direction, and a traction pin is vertically arranged on the rigid body in the composite elastic deformation body; a wave-absorbing module is arranged on the wave-proof device; and a heat transfer balance automatic compensator is arranged on the liquid phase damper for pressure measurement. The present invention improves the safety of cryogenic liquid insulated tank trucks.

The invention provides a hydrogen charging management method of a solid hydrogen storage device, and relates to the technical field of hydrogen storage, the method comprises the following steps: connecting a hydrogenation gun into a first gas inlet end of the solid hydrogen storage device, and charging hydrogen with a preset hydrogen flow into the solid hydrogen storage device; controlling the exhaust end of the solid hydrogen storage device to exhaust the hydrogen subjected to heat exchange; a circulating pump is started, hydrogen exhausted from the exhaust end is input into a cooling device through a circulating pipeline to be cooled, and the cooled hydrogen is filled into the solid hydrogen storage device through a second gas inlet end of the solid hydrogen storage device through the circulating pipeline; and when the solid hydrogen storage material in the solid hydrogen storage device reaches a hydrogen absorption saturation state, hydrogen charging is stopped. The solid hydrogen storage device can be filled with hydrogen of the preset hydrogen flow, heat generated by hydrogen absorption of the solid hydrogen storage material in the solid hydrogen storage device is brought out of the solid hydrogen storage device, the solid hydrogen storage device discharges a small amount of hydrogen after hydrogenation is completed, and safety is high.

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 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).

Scalable greenhouse gas capture systems and methods to allow a user to off-load exhaust captured in an on-board vehicle exhaust capture device and to allow for a delivery vehicle or other transportation mechanism to obtain and transport the exhaust. The systems and methods may involve one or more exhaust pumps, each with an exhaust nozzle corresponding to a vehicle exhaust port. Upon engagement with the vehicle exhaust port, the exhaust nozzle may create an air-tight seal between the exhaust nozzle and the vehicle exhaust port. A first pipe may be configured to transport captured exhaust therethrough from the exhaust nozzle to. The captured exhaust may be at least temporarily stored in an exhaust holding tank connected to and in fluid communication with the first pipe.

A hydrogen storage and delivery system delivering storing and dispensing cryogenic liquid and gaseous hydrogen, comprising cryogenic liquid hydrogen storage vessels with heaters 1, 2, 3, ambient tempe

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.

The invention relates to a liquefied gas storage device, comprising: a support structure (1); a sealed and thermally isolated tank; and a dome structure (25) comprising: an inner barrel (29) passing through an aperture (27) formed in the support structure (1); -an outer barrel (26) arranged around the barrel (29), the outer barrel (26) being fixed to the support structure (1) around an annular portion (34) of the support structure (1); and-a secondary discharge duct (61) formed in the secondary space (52); wherein the annular portion (34) of the support structure (1) comprises a plurality of through-openings (38) distributed around the annular channel portion and allowing gas to flow from the secondary thermal insulation barrier (12) to the secondary space (52).

The present invention relates to a system for the thermal compression of a gas, characterized in that it comprises a source (1), a target (2) and at least one group of reservoirs (3) each one comprising at least two reservoirs (3), the system comprising a heating means (4) and a cooling means (5) for heating and cooling the contents of each reservoir, each group further comprising: —transfer means (6a, 6b) allowing gas to be transferred directly from the source to each reservoir and directly from each reservoir to the target, and—for each reservoir (3) of the group, two-way transfer means (7) allowing gas to be transferred directly between this reservoir (3) and at least one other reservoir (3) of the group. The present invention also relates to a cyclic method for the thermal compression of a gas in a plurality of reservoirs (3) of at least one group of a system according to the invention.

A method for providing a fuel includes removing hydrogen sulfide and / or carbon dioxide from biogas to provide partially purified biogas, which is filled in a mobile storage system. The partially purified biogas is transported to a centralized processing facility, in the mobile storage system, by truck, rail, or ship. At the centralized processing the partially purified biogas is further processed, either to produce a fuel that is renewable or has renewable content, or to produce renewable natural gas, which is used to produce the fuel that is renewable or has renewable content.

The invention relates to the technical field of hydrogen energy power generation devices, and discloses a zero-carbon hydrogen energy power generation device which comprises an equipment body, a side door is rotatably connected to the outer wall of the equipment body, an audible and visual alarm is fixedly assembled on the outer wall of the equipment body, and a controller is fixedly assembled on the outer wall of the equipment body. A moving rail is fixedly assembled at the bottom of an inner cavity of the equipment body, and a tooth groove is formed in the outer wall of the moving rail. According to the zero-carbon-hydrogen-energy power generation device, the moving rail is arranged in the inner cavity of the equipment body, the moving base is arranged on the outer wall of the moving rail, the driving motor is arranged in the inner cavity of the moving base, the moving base can be driven to move along the outer wall of the moving rail under the action of the driving motor, and therefore movement of the mounting bin is achieved; and the mounting bin can move outwards from the inner cavity of the equipment, and in the outward movement process, the hydrogen cylinder moves to the outer side from the inner cavity of the equipment body.

A method for providing a fuel includes providing biogas from a plurality of biogas sources, the biogas from each biogas source produced in a process comprising filling a vessel with raw biogas or partially purified biogas to a pressure of at least 1500 psig and transporting the filled vessel to a centralized processing facility by vehicle. A fuel is produced in a fuel production process that includes feeding the biogas transported to the centralized processing facility to a biogas upgrading system that is configured to provide a carbon dioxide removed from the biogas. The removed carbon dioxide is provided for transport by vehicle and / or pipeline and / or sequestered to offset greenhouse gas emissions attributed to compressing the biogas for transport.

The following invention relates, in a first aspect, to a pressure vessel for receiving and storing gases, more particularly hydrogen. The pressure vessel comprises a main body of metal together with an outer shell, the outer shell having sensor elements and reinforcing elements, with optional transmitters and / or receivers of information and electric fields present optionally in the outer shell. The present invention also relates to corresponding pressure storage systems having pressure vessels of this type, to devices having fuel cells and pressure vessels according to the invention, and to methods for producing said pressure vessels.

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.

A no emission tank gauge has a housing having a valve connection extending from a bottom side of the housing, a gauge line within the housing, the gauge line having a plumb bob attached at a free end, a pulley attached within the housing and supporting the gauge line, the pulley configured to allow extension and retraction of the gauge line, and an actuator connected to the pulley and extending exterior to the housing and configured to actuate the extension and retraction of the gauge line via rotation of the pulley. The housing has a window in a wall of the housing facing a marked side of the gauge line. The valve connection has an opening sized to allow for passage of the plumb bob and the gauge line. The housing is sealed when the valve connection is connected to a valve to prevent escape of fluid.