2900results about "Fluid transferred" patented technology

The invention discloses a carbon capture and energy storage and thermal power generation coupled energy comprehensive utilization system, which comprises a thermal power generation system, an energy storage system and a carbon capture system, and is characterized in that a compression energy storage unit of the energy storage system is coupled to a feed water heat regeneration unit of the thermal power generation system; an expansion energy release unit of the energy storage system is coupled to a steam turbine generator set of the thermal power generation system, and a steam-water cycle working medium in the thermal power generation system serves as a heat storage and cold storage medium of the carbon dioxide energy storage system. The carbon capture system is coupled between the thermal power generation system and the carbon dioxide energy storage system, captures carbon dioxide gas in the flue gas, inputs the carbon dioxide gas into the carbon dioxide energy storage system to serve as a circulating working medium, and heats the circulating working medium in the expansion energy release unit through waste heat of the flue gas. According to the scheme, the operation efficiency of the thermal power generation system and the operation efficiency of the carbon dioxide energy storage system can be improved, the overall energy utilization efficiency of the system can be improved, and meanwhile the emission amount of gas pollutants is reduced.

An aircraft comprises a fuselage; wings; engines connected to the wings; a set of liquid hydrogen tanks; a vent located on the tail on the fuselage; a conduit system connecting the liquid hydrogen tanks to the vent; and a controller. The controller is configured to control the conduit system to remove gaseous hydrogen in the set of liquid hydrogen tanks to travel through the conduit system and exit at the vent in response to pressure in the set of liquid hydrogen tanks being greater than a specified tolerance.

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.

The invention provides a solid hydrogen storage thermal management system and method, and relates to the technical field of thermal management, and the system comprises a solid hydrogen storage module, a heating liquid storage module, a heat exchanger and a cooling module. The solid hydrogen storage module is composed of a plurality of solid hydrogen storage units connected in parallel, a first control valve and a second control valve. The heating liquid storage module comprises a liquid storage tank and a heater and is communicated with each solid hydrogen storage unit; and the cooling module comprises a water chilling unit and is used for cooling the medium flowing out of the liquid storage tank during hydrogen filling. And in the hydrogen charging and discharging operation, a control valve of the target solid hydrogen storage unit is opened, so that the target solid hydrogen storage unit, the heating liquid storage module and the heat exchanger form a communication loop. The heater heats the heat exchange medium to a first temperature range required by hydrogen desorption, and the water chilling unit cools the heat exchange medium to a second temperature range during hydrogen charging. The temperature of the solid hydrogen storage system can be effectively controlled in the hydrogen charging and discharging process.

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 invention discloses a multi-hydrogen-storage-tank solid hydrogen storage system based on temperature control, and relates to the technical field of hydrogen energy storage, and the key points of the technical scheme are that the system comprises a plurality of hydrogen storage tanks, each hydrogen storage tank adopts different types of alloy hydrogen storage materials, each hydrogen storage tank is provided with an independent temperature control system, and the temperature is adjusted according to the types of the hydrogen storage materials; therefore, the hydrogen storage efficiency is optimized. The system can accelerate the hydrogen storage rate and improve the storage density through temperature control, the heat exchange device is arranged to improve the heat energy management efficiency, and accurate temperature control and cycle counting functions are achieved. The service life of the hydrogen storage material can be effectively prolonged, performance degradation is reduced, and the long-term stability of a hydrogen storage system is improved.

A compressed gas supply system comprises at least one tank (2) for highly compressed gas, a tank-side shut-off device (4), and a first sensor group comprising a first pressure sensor (10) and a first temperature sensor (11). The pressure sensor (10) and the temperature sensor (11) are arranged on a line (3, 8) extending from a side of the tank-side shut-off device (4) facing away from the tank (2) to a consumer-side shut-off device (7, 16).

The invention provides a composition, an adsorption and storage device containing the composition and an associated gas recovery system. The composition comprises a hierarchical porous MOFs-based composite phase change material and an adsorption material, and the adsorption storage device is an adsorption storage tank with the composition as bed filling. The associated gas recovery system mainly comprises a pressurizing unit, a cooling, condensing and dehumidifying unit and an adsorption and storage unit, wherein the adsorption and storage unit is the adsorption and storage device. The associated gas recovery system can realize a medium pressure-low temperature-phase change temperature control-adsorption storage single pull well associated gas recovery process, and realizes efficient recovery of single pull well associated gas with small gas volume, low casing pressure and far distance from a gathering and transportation station at low cost at low pressure (specifically 2-4MPa).

A nozzle includes a nozzle bayonet with a warm seal positioned at a distal end and a nose seal positioned at a proximal end so that a distal passage is defined between the warm and nose seals. The nozzle also includes a nozzle poppet valve. Purge and vent lines are in fluid communication with the distal passage. A receptacle includes a receptacle poppet valve, a receptacle inner tube and a receptacle outer tube with a receptacle insulation space defined therebetween. A coupling space is defined between an outer casing and the receptacle outer tube. The receptacle coupling space receives the nozzle bayonet. The receptacle sequentially engages the warm seal and the nose seal of the nozzle during insertion of the nozzle bayonet into the receptacle coupling space with the nozzle and receptacle poppets engaging to open the nozzle and receptacle poppet valves when the nozzle bayonet is fully inserted into the receptacle coupling space.

The invention discloses a hydrogen supply and energy storage device which comprises a hydrogen storage tank body, a gaseous hydrogen storage tank is installed in the hydrogen storage tank body, a liquid hydrogen storage tank is installed on the hydrogen storage tank body, a supporting plate is fixedly connected to the hydrogen storage tank body, and a cooling liquid storage box is installed at the top end of the supporting plate. A transverse plate is fixedly connected to the side wall of the cooling liquid storage box, metal cooling fins are arranged on the side wall of the transverse plate, and the cooling device further comprises a cooling circulation assembly and an air blowing cleaning assembly. A motor drives a first sector gear to rotate, the first sector gear is alternately engaged with a transmission gear and a driven gear, so that a rotating shaft drives metal heat dissipation fins to rotate for heat dissipation, and meanwhile, the driven gear drives cooling liquid to circularly flow in a sealing pipe, a cooling pipe and a liquid inlet pipe through a connecting rod and a piston rod; and cold airflow generated by the fan is used for dissipating heat of the hydrogen conveying pipe, so that the heat dissipation effect is improved.

The invention belongs to the technical field of hydrogen storage equipment, and relates to a solid hydrogen storage tank and a manufacturing method thereof, the solid hydrogen storage tank comprises a tank body and a core heat exchanger arranged in the tank body; the core heat exchanger is arranged in the tank body and consists of a plurality of H-shaped expanded surface finned tubes, each H-shaped expanded surface finned tube comprises a heat exchange tube and a plurality of radiating fins arranged on the heat exchange tube, gaps among the fins are used as spaces for placing hydrogen storage materials, and the fins are arranged in sequence; a plurality of screen H-shaped expansion surface finned tubes are stacked up and down and fixed by tube clamps, and a plurality of screens are connected into a whole and fixed on a bracket at the upper part of the tank body. According to the core heat exchanger, the H-shaped expanded surface finned tube is adopted as a basic unit of the core heat exchanger, and the heat and mass transfer efficiency between a hydrogen storage material and a heat exchange medium is effectively improved by increasing the number and the area of the radiating fins. And meanwhile, the sequential arrangement mode is adopted, so that the core heat exchanger is filled with the hydrogen storage material more uniformly, and the hydrogen storage density and the hydrogen charging and discharging rate are further improved.

An electrical power (EP) generation system (100) for an aircraft comprising a fuel cell (3), a cryogenic tank (1), a conditioning circuit (C1) configured to heat a liquid fuel stream (LH2) to a tank pressure (P2) to supply a gaseous fuel stream (GH2) to the fuel cell (3), a pressurization circuit (C2) to increase the gas pressure (P1) of the gaseous phase (PHL) in said cryogenic tank (1), the pressurization circuit (C2) comprising at least one flow control device (4), a gas pressure (P1) sensor (10) for measuring the gas pressure (P1) of the gaseous phase (PHG), and a computer (5) configured to control the flow control device (4) based on at least said gas pressure (P1) to control the tank pressure (P2). Abstract figure: Figure 1

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.

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 invention discloses a hydrogenation control system, a control method thereof and a hydrogenation machine, and the hydrogenation control system comprises a hydrogenation pipeline, a hydrogen cooling device, a flow velocity detection module, a flow velocity adjusting valve, a temperature detection module, a pressure detection module and a controller. The controller controls the flow rate adjusting valve and the hydrogen cooling device according to the hydrogen temperature detected by the temperature detection module, the hydrogen pressure detected by the pressure detection module and the hydrogen filling flow rate detected by the flow rate detection module so as to dynamically adjust the hydrogen filling flow rate and the refrigeration power of the hydrogen cooling device. While safe hydrogenation is ensured, the temperature of the cooling medium in the hydrogen cooling device is dynamically adjusted according to the hydrogen filling flow rate, so that the effects of energy conservation and emission reduction are achieved.

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.

A method for estimating a volume of a reservoir to be filled from a station for distributing a pressurized fluid including injecting a flow of pressurized fluid into the reservoir, determining a pressure variation in the reservoir, the pressure variation being determined with respect to an initial pressure, determining an amount of the fluid flow injected into the reservoir, and estimating the volume of the reservoir to be filled, on the basis of the amount of the fluid flow injected into the reservoir and on the basis of the pressure variation in the reservoir after the injection of the fluid flow. Wherein the volume of the reservoir to be filled is also estimated on the basis of an injection temperature, and on the basis of a temperature variation in the reservoir after the injection of the fluid flow.

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

Disclosed herein is a filling device for filling a storage tank with compressed hydrogen. Also disclosed are storage tanks including the filling device, as well as methods for filling a hydrogen tank with compressed hydrogen.

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 discloses a storage tank pressurization control method and system based on LNG gas station fuzzy self-adaptive PID control, and aims to solve the technical problems that a traditional pressurization control method of an LNG storage tank is low in control precision, poor in stability and rapid in equipment abrasion. According to the control method, dynamic compensation for the target pressure is introduced, so that the system can aim at a more accurate control target in the initial stage, the steady-state control deviation is reduced, and the control precision is improved. And static pressure head change disturbance caused by liquid level change is overcome through dynamic compensation, the adjusting burden of the controller is reduced, the controller can focus on processing other dynamic disturbance, and therefore the control process is more stable, and overshoot is smaller. Through the design of a dynamic compensation mechanism and a special fuzzy rule base, the system can automatically adapt to various complex working conditions, and fast, stable and overshoot-free pressure control is always kept. Therefore, frequent and large-amplitude action and surge phenomena of the valve are avoided, and the energy consumption of an executing mechanism is reduced.

A gas supply system for a high-pressure gas consuming appliance and a low-pressure gas consuming appliance of a floating structure including a tank containing the gas is disclosed. The supply system includes: a first supply circuit and a second supply circuit; a gas return line; and a first heat exchanger and a second heat exchanger configured to carry out a heat exchange between the gas of the first supply circuit and the gas circulating in the return line. The first supply circuit includes an additional pump.

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 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 invention provides a solid hydrogen storage thermal management system and method, and relates to the technical field of thermal management, the system comprises a hydrogen charging and discharging module, a heating liquid storage module, a cooling liquid storage module, a loop switching module, a heat exchanger and a cooling module, the hydrogen charging and discharging module comprises a hydrogen storage unit, and the hydrogen storage unit is connected to a first control valve and a second control valve. The heating liquid storage module is composed of a heat liquid storage box and a heater and connected with the control valve. And the cooling liquid storage module comprises a cold liquid storage tank which is communicated with the control valve. The loop switching module utilizes the first control valve and the second control valve to switch heat exchange medium flow paths. The cooling module comprises a cooling unit. During hydrogen filling, the control valve is configured to form a first communication loop, and the heat exchange medium is cooled to the hydrogen filling temperature; and during hydrogen desorption, a second communication loop is formed, and the heat exchange medium is heated to the hydrogen desorption temperature. The temperature of the solid hydrogen storage system can be effectively controlled in the hydrogen charging and discharging process.

The invention relates to the technical field of hydrogen storage, and provides a double-storage and double-release system based on hydrogen storage and phase change heat storage and a heat regulation and control method thereof.The double-storage and double-release system comprises a metal hydride hydrogen storage unit, a phase change heat storage unit and a heat regulation unit; a hydrogen storage heat conduction pipe is arranged in the metal hydride hydrogen storage unit, a heat storage heat conduction pipe is arranged in the phase change heat storage unit, and temperature sensors are arranged on the metal hydride hydrogen storage unit and the phase change heat storage unit. A heat exchange fluid medium is placed in the heat adjusting unit, and the heat adjusting unit is communicated with an inlet and an outlet of the hydrogen storage heat conduction pipe and an inlet and an outlet of the heat storage heat conduction pipe through a heat exchange medium conveying pipeline to form a closed pipeline. An electromagnetic valve is arranged on the heat exchange medium conveying pipeline, and the opening degree of the electromagnetic valve is adjusted according to the temperature detected by the temperature sensor so as to regulate and control the flow of the heat exchange fluid medium. The efficiency of thermal management in the hydrogen storage and release process is remarkably improved, and the applicability of the hydrogen storage and release device in different scenes is further enhanced.

The invention discloses a solid-gas coupling hydrogen storage system and a flow and pressure coordinated regulation and control method thereof. The system comprises a gaseous hydrogen storage tank, a solid hydrogen storage tank, a hydrogen coupling regulation and control device, a hydrogen buffer tank, a solid hydrogen storage thermal management system, a high-pressure proportional valve, a low-pressure proportional valve, a three-way valve and a hydrogen storage valve. The gaseous hydrogen storage tank is connected with the hydrogen coupling regulation and control device through a pipeline, and high-pressure hydrogen is conveyed to the high-pressure inlet end of the hydrogen coupling regulation and control device. The low-pressure inlet end of the hydrogen coupling regulation and control device is connected with the solid hydrogen storage tank through a pipeline, and the outlet end of the hydrogen coupling regulation and control device is connected with the hydrogen buffer tank through a pipeline; and the pipelines of the gaseous hydrogen storage tank and the solid hydrogen storage tank are simultaneously connected with the three-way valve. According to the system, efficient and safe hydrogen storage and supply are achieved through the synergistic effect of all the components, and reliable technical innovation and support are provided for hydrogen energy application.

A hydrogen gas supply apparatus according to one aspect of the present invention includes a compressor configured to compress hydrogen gas and supply the hydrogen gas compressed to a pressure accumulator which accumulates the hydrogen gas, an adsorption column disposed between the discharge port of the compressor and the pressure accumulator, and configured to include an adsorbent for adsorbing impurities in the hydrogen gas discharged from the compressor, and a plurality of valves disposed at the gas inlet / outlet port side of the adsorption column, being at a discharge port side of the compressor, and configured to be able to seal the adsorption column, wherein the space in the adsorption column is sealed using the plurality of valves such that the inside of the adsorption column is maintained to have a high pressure by the hydrogen gas compressed in the case where the compressor is stopped.