1157results about "Non-pressured vessels" patented technology

The invention discloses a corrugated plate for a low-temperature liquid cargo system, a shielding layer and the low-temperature liquid cargo system. The cryogenic liquid cargo system may be a storage tank or container for storing cryogenic liquid, such as liquefied natural gas. The corrugated plate comprises a corrugated plate plane layer and corrugations formed on the corrugated plate plane layer, the corrugations comprise first corrugations and second corrugations intersecting with the first corrugations, and each of the first corrugations and the second corrugations is provided with a protruding part, a concave part and a twisting part in the longitudinal extending direction of the first corrugations and the second corrugations. The convex part and the concave part are connected together through the torsion part in the longitudinal extending direction, the convex part protrudes towards the interior of the low-temperature liquid cargo system relative to the corrugated plate plane layer, and the concave part protrudes away from the interior of the low-temperature liquid cargo system relative to the corrugated plate plane layer. According to the scheme, the convex-concave matching structure is arranged in the longitudinal extension direction of the corrugations, so that the effect of blocking gas convection in the corrugated plate can be effectively achieved, evaporation of LNG in the storage tank can be effectively reduced, and then damage to goods is reduced.

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 invention discloses a film type liquid cargo containment system which comprises a plane insulation module, a corner insulation module and a nitrogen pipeline, the plane insulation module and the corner insulation module are fastened on the inner wall of a storage tank cabin, and each of the plane insulation module and the corner insulation module is composed of a main layer insulation module and a secondary layer insulation module. The main layer insulation module is fixed above the secondary layer insulation module to form step surfaces, a first bridging module, a second bridging module and a corner region bridging module are respectively mounted on the step surfaces at different positions, and nitrogen pipe mounting grooves are formed in the first bridging module, the second bridging module and the corner region bridging module through which a nitrogen pipeline passes; the arranged nitrogen pipe mounting grooves are connected to form a nitrogen arrangement pipeline; the invention further discloses a nitrogen pipeline mounting method. According to the thin film type liquid cargo containment system, the nitrogen pipelines are embedded in the bridging modules, so that the flatness of the upper surface of the main layer insulation structure of the containment system can be kept, and the thin film type liquid cargo containment system is adaptive to more types of corrugated plate structures.

The invention belongs to the field of life, and particularly relates to a thermos bottle with visible water storage capacity. The thermos bottle comprises a shell and an inner container arranged inside the shell. A base capable of vertically moving is mounted at the bottom of the shell, an elastic airbag is fixedly connected between the upper end of the base and the lower end of the inner container, a vertical strip opening is hermetically connected onto the side wall of the shell, a transparent tube is fixedly connected into the strip opening, the lower end of the transparent tube is communicated with the elastic airbag, and a piston block is hermetically connected into the transparent tube. The quantity of water in the thermos bottle can be known by observing the position of a piston block, a piezoelectric ceramic is used for power generation when water is injected, an LED (light-emitting diode) lamp in the piston block can emit light, the quantity of the water in the thermos bottlecan be known conveniently by people, and scalding is avoided. In addition, by the aid of an annular air cushion, when the thermos bottle falls, a good buffering function can be achieved, and impact onthe inner container is reduced.

The invention relates to a cryogenic fluid transfer device comprising a first tank storing a cryogenic fluid, a second cryogenic receiving tank, a fluid transfer circuit connecting the tanks and comprising a first pipe that connects the upper parts of the first and second tanks and has a first valve, a second pipe that connects the lower part of the first tank to the second cryogenic tank and has a pump, the pump and the first valve being configured to place the upper parts of the first and second tanks in fluidic communication, the first pipe comprising a bypass portion equipped with a heater and a set of one or more valves configured to make it possible to modify the temperature of the flow of gas transferred from the second cryogenic tank to the first tank via the first pipe.

Features relating to a cartridge for use with a vaporizer body are provided. The cartridge mates with the vaporizer body in a cartridge receptacle. The cartridge may include a cartridge body defining a reservoir configured to contain vaporizable material; a mouthpiece coupled to a proximal end region of the cartridge body; at least one proximal absorbent pad wedged within an internal volume of the mouthpiece; a mouthpiece seal with sealing ribs; a cannula defining a vaporization chamber extending through the cartridge body; a resistive heating element; a porous wick configured to draw the vaporizable material in the reservoir towards the vaporization chamber; an internal sealing gasket positioned in a distal end region of the cartridge body; a lower support structure positioned in the distal end region of the cartridge body; and at least one distal absorbent pad configured to wedge within a recess located in the lower support structure.

The present invention relates to a fuel processing system and a ship comprising the same, comprising: a fuel supply unit for supplying fuel discharged from a fuel storage tank to a demand site; a fuel recovery unit that recovers the remaining fuel returned from the demand location; and a fuel processing unit for collecting the fuel output from the fuel supply unit or the fuel recovery unit, the fuel processing unit including a plurality of absorption tanks for generating waste water by collecting the fuel with water, the fuel output from the fuel supply unit or the fuel recovery unit sequentially passes through the plurality of absorption tanks and is dissolved in water stored in the absorption tanks, thereby converting the fuel into waste water.

The invention relates to a storage cryostat (2) for liquid helium (7), suitable for transferring liquid helium (7) from the storage cryostat (2) into an application cryostat (3), wherein the storage cryostat (2) comprises: - a vacuum-insulated helium vessel (6) for liquid helium (7), the helium vessel (6) having a vertical height HHB that can be filled with liquid helium (7), - a transfer line (4) for liquid helium (7), having an inlet opening (20) which opens into a lower region of the helium vessel (6), in particular into a lower fifth of the helium vessel (6), and - a convection-suppression system (9) which is arranged within the helium vessel (6) and impedes vertical convection of liquid helium (7) in the helium vessel (6), characterised in that the convection-suppression system (9) is formed in the helium vessel (6) over a height interval (IKS) with a vertical height HKS, where HKS ≥ 0.50 × HHB, and in that the convection-suppression system (9) impedes the vertical convection of liquid helium (7) in the helium vessel (6) over the region of the height interval (IKS) of the convection-suppression system (9). The invention provides a storage cryostat that enables simple and rapid transfer of liquid helium from the storage cryostat into the application cryostat, with minimised helium losses.

The integrated hybrid system for managing the production, flow, consumption and storage of energy is characterised in that it comprises a cryogenic liquefied air energy storage (7), to which, either upstream and / or downstream of the compressor, an system for transporting oxygen (D) obtained from the electrolyzer (11) is connected, while an system supplying heat (B) obtained during combustion of gas in the trigeneration unit (9) is incorporated in the liquid air and / or oxygen expansion station of the cryogenic liquid air energy storage (LAES) (7), wherein all energy processing and storage units are incorporated in the control and supervision system, collecting data in real time, monitoring the production, consumption and demand for electrical energy, and intelligently controlling energy flow between generation sources, powered devices and energy storage units.

The invention provides a device and a method for reducing exhaust loss by using the pressure of a liquid hydrogen storage tank, and relates to the technical field of liquid hydrogen storage and transportation safety. The device comprises an adsorption storage assembly, a desorption recovery assembly and an adsorption enhancement assembly which are arranged in a gas pillow of the liquid hydrogen storage tank. The adsorption and storage assembly is communicated with the air pillow through a one-way mechanical low-temperature valve, is internally provided with a solid adsorption material and a vacuum heat insulation cylinder, and is used for adsorbing and storing evaporation gas and reducing the tank pressure when the tank pressure is increased; the adsorption enhancing assembly comprises a low-temperature hydrogen regulating valve and a low-temperature heat exchanger, and the throttling effect of high-pressure hydrogen in the tank is used for refrigerating an adsorption material, so that the adsorption capacity of the adsorption material is improved; the desorption recovery assembly heats an adsorption material through an intermediate heater, and controllable release of hydrogen is achieved. According to the invention, the active management of the pressure of the liquid hydrogen storage tank and the efficient recovery of the boil-off gas are realized, the exhaust period is obviously prolonged, the hydrogen loss is reduced, and the storage and transportation economy and safety are improved.

The hollow containers (3, 4) are arranged above a hollow column (2), the hollow column (2) is arranged around the liquefied gas pump (P), and a cable (8) for installing / drawing the liquefied gas pump (P) penetrates through the central part of the containers (3, 4) from the lower part to the upper part. The containers (3, 4) are provided with: lower plate members (5, 6) having cable through-holes (9, 10), through which the cables (8) can pass, in the center thereof; and a cartridge member (12) provided around the cable through-holes (9, 10) in the center of the lower plate members (5, 6) and having a cable insertion hole (13) in the center, the cable insertion hole (13) allowing the cable (8) to be inserted therethrough. The cartridge member (12) is provided with opening diameter adjustment mechanisms (14, 20) that adjust the size of the opening diameter of the cable insertion hole (13).

A liquid hydrogen tank having a tank in contact with liquid hydrogen, made of steel whose absorbed energy sE, measured by impact tests at a measurement temperature of -196°C or below using a three-sided slit Charpy impact test specimen, satisfies the following formula 1 or formula 2. sE≧19+0.68×ΔT···Formula 1 In Equation 1, the measured temperature is in the range of greater than -253°C and less than or equal to -196°C, and ΔT is the temperature difference between the measured temperature and -253°C. sE≧19...Equation 2 In Equation 2, the measurement temperature is -253°C or lower.

This invention relates to the field of FSRU thermal energy regulation technology, specifically disclosing a high-efficiency waste heat and cooling water integrated priority heating system and method for FSRUs. The method includes: responding to collected multi-dimensional operating data, associating and marking the multi-dimensional operating data, and identifying the current operating condition level of the FSRU based on the marking results; if the operating condition level indicates the need for heat source switching, then determining a heat allocation scheme including the target heat source and flow path configuration according to the cross-domain priority matrix corresponding to the operating condition level. This invention can eliminate unstable factors such as fluid backflow, pump cavitation, and control signal oscillation while ensuring rapid response, significantly improving the robustness and switching smoothness of the FSRU energy supply system under extreme sea conditions, and achieving inherently safe cross-domain collaborative control.

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).

A cryogenic liquid storage system comprising an outer tank 22, and an inner tank 24 configured to hold cryogenic liquid, an isolation valve 40, and a collection chamber 26, outside the outer tank, and

The present invention relates to a boil-off gas reliquefaction system for a ship. The boil-off gas reliquefaction system for a ship according to the present invention, whereby boil-off gas generated from a liquefied natural gas (LNG) storage tank for a ship is reliquefied, comprises: a first heat exchanger for recovering cold heat from a first boil-off gas generated in the storage tank; a multi-stage compressor for compressing the boil-off gas that has passed through the heat exchanger; a high-pressure gas line for supplying high-pressure gas that is supplied from the multi-stage compressor; a low-pressure gas line for supplying the boil-off gas, which is supplied from the multi-stage compressor, as a low-pressure gas by using a decompression valve; a second heat exchanger in which heat exchange occurs between the high-pressure gas line and the low-pressure gas line downstream of the decompression valve; and a third heat exchanger by which the boil-off gas that has passed through the second heat exchanger is cooled by means of heat medium oil of a cryogenic chiller.

The application provides a temperature monitoring system for gas fuel supply, comprising a liquid storage module, a temperature monitoring module and a temperature control module; the liquid storage module comprises a liquid storage unit, the liquid storage unit is provided with a first storage space and a second storage space, the first storage space stores liquefied natural gas, the first storage space is communicated with the second storage space through a pipeline, and the pipeline is provided with a gasification valve; the temperature monitoring module comprises a first temperature probe, and the first temperature probe is used for monitoring the temperature of the liquefied natural gas in the first storage space; the temperature control module is used for receiving the temperature signal of the first temperature probe; when the temperature of the liquefied natural gas is higher than a first preset temperature, the gasification valve is opened, so that the liquefied natural gas in the first storage space enters the second storage space through the gasification valve; and when the temperature of the liquefied natural gas is lower than the first preset temperature, the gasification valve is closed. The application aims to provide a temperature monitoring system which can ensure that the temperature of liquefied natural gas is kept below the boiling point, so that the liquefied natural gas is maintained in a liquid state.

A liquid air energy conversion system is provided that integrates three subsystems or unit operations, namely a deep sub-ambient gas compression subsystem, a power expansion and heat recovery subsystem, and an external heat source.

The utility model provides a liquid hydrogen storage device which can reduce heat input from a port to the inside of a hydrogen tank so as to improve the heat insulation performance of the hydrogen tank. This liquid hydrogen storage device (100) is provided with: a hydrogen tank (10) that is mounted in a vehicle (200) and stores liquid hydrogen; and an evaporation line (40) connected to the hydrogen tank (10) and discharging hydrogen gas gasified in the hydrogen tank (10) to the outside of the vehicle (200), the liquid hydrogen storage device (100) being characterized in that the hydrogen tank (10) is provided with a pump port (20) protruding from the outer surface, and the evaporation line (40) is disposed so as to surround the pump port (20).

This invention relates to liquefied gas storage tanks and ships including them. The liquefied gas storage tank of this invention can be constructed from a primary protective wall, a primary insulation wall, a secondary protective wall, and a secondary insulation wall to store cryogenic substances. The primary insulation wall may include: a connecting insulation wall, which is disposed in the space between adjacent fixed insulation walls when unit elements consisting of the secondary insulation wall, the secondary protective wall, and a fixed insulation wall that is part of the primary insulation wall are stacked adjacently. The liquefied gas storage tank may include: a first slit formed between the fixed insulation wall and the connecting insulation wall when the connecting insulation wall is inserted between adjacent fixed insulation walls; a second slit formed along the length and width directions of the fixed insulation wall; and a first filling insulation element filling the first slit.

The invention relates to a tank comprising a wall comprising a fastening wall having an inner end and a membrane (6) comprising metal sheets welded at overlapping regions, an overlapping region comprising a portion of a first metal sheet covered with a portion of a second metal sheet, the membrane comprising an outer face which is fastened against the inner end of the fastening wall by an anchoring member, the fastening wall comprising a retaining housing and a fastening wall-side locking part located in the retaining housing and a membrane-side locking part welded against the outer face of the membrane and projecting from the outer face of the membrane in the thickness direction of the wall at a distance from the overlapping region, the fastening wall-side locking part and the membrane-side locking part being fastened by locking.

The utility model discloses a kind of liquid nitrogen storage tank pressure relief protection devices based on liquid column differential pressure control, belong to pressure vessel testing equipment field. Including liquid tank, air inlet and exhaust pipe and connecting pipe. Middle in liquid tank is provided with baffle, the baffle will the internal space of the liquid tank be divided into gas chamber and liquid chamber, liquid level control hole is opened on the side wall of the baffle far from the liquid chamber, the liquid level control hole of uppermost layer is located below the top edge of the baffle;The air inlet and exhaust pipe is vertically inserted in the top of the liquid tank, and the bottom end of the air inlet and exhaust pipe extends to below in the liquid chamber, the bottom end face of the air inlet and exhaust pipe is located below the liquid level control hole;The connecting pipe is vertically inserted in the bottom of the liquid tank, and the top end of the connecting pipe extends to in the gas chamber. The utility model is discharged by liquid column static pressure difference The pressure relief device of two-way protection of overpressure / negative pressure, especially applicable to the pressure test working condition of liquid nitrogen storage tank.

A ship has a hull, at least one double-shell tank mounted on the hull, having an inner tank storing liquefied gas and an outer tank covering the inner tank, at least one first discharge tower extending upward from the hull, at least one second discharge tower extending upward from the hull independently of the first discharge tower, a first discharge line connecting an upper portion in the inner tank and a tower interior of the first discharge tower, a second discharge line connecting the inner tank and an inter-tank region of the outer tank and a tower interior of the second discharge tower, and a pressure release device provided in the second discharge line, which is closed normally and opened when a pressure of the inter-tank region exceeds a prescribed inter-tank allowable value.

Provided is a cryogenic tank having improved reliability as compared with a cryogenic tank of related art. The cryogenic tank includes an outer shell made of a fiber-reinforced composite material, and multiple inner layers disposed on an inner side of the outer shell. The multiple inner layers include respective liners made of resins, and respective release members made of resins and disposed at outer surfaces of the respective liners.

The application discloses an automatic air supplement method and device for an in-situ leaching uranium gas station and belongs to the technical field of in-situ leaching uranium. The automatic air supplement method comprises the following steps: according to the pressure of a gaseous gas sample storage tank and the injection pressure, automatically controlling the air supplement process of the gaseous gas sample storage tank, so that the pressure of the gaseous gas sample storage tank is greater than the injection pressure; and according to the injection pressure and the liquid injection pressure, automatically controlling the injection process, so that the injection pressure is greater than the liquid injection pressure. Through real-time detection of the pressure of each part of the in-situ leaching uranium gas station, the embodiment of the application realizes automatic and accurate regulation and control of the carbon dioxide system of the in-situ leaching uranium gas station, improves the efficiency and saves manpower.

A vacuum bottle comprising an outer shell, a cage detachably connected to the outer shell, and a bottom cover that can be coupled to the cage. When the cage is connected to the outer shell, the bottom cover and the outer shell enclose the inner cage. The cage is designed to hold a container for a liquid, a baby bottle, or one or more milk storage bags. In some examples, the vacuum bottle can be used to hold a container (e.g., a receptacle) intended for storing a liquid, a baby bottle, or milk storage bags.

This invention discloses a pressure control device, method, and system for the coexistence of different types of full-containment tanks. It includes: multiple full-containment tanks, each equipped with a first pressure sensor, and each full-containment tank connected to an input pipe via a valve group; each full-containment tank is connected to a flare and an output pipe, with a first control valve between the flare and the full-containment tank; the first control valve and valve group of each full-containment tank are respectively connected to a controller, which controls the opening and closing of the first control valve and valve group; two full-containment tanks with different design pressures share a single output pipe, and a pressure protection system is installed on the output pipe between the two full-containment tanks. The pressure protection system includes at least one first shut-off valve and a second pressure sensor connected to the controller; in response to a trigger signal from the second pressure sensor, the controller controls the opening and closing of the first shut-off valve. This allows for the simultaneous operation of full-containment tanks with different design pressures while ensuring the safe and stable operation of the station.

Thermally insulating enclosure for tank and tank device comprising such an enclosure The invention relates to an insulating enclosure (1) for tank (2) at least two complementary side wall parts (3), assembled together by butting their opposite lateral edges (31, 32) to form together a hollow cylindrical body, the various parts (3) mentioned above together constituting an insulating shell, with the lateral assembly edges (31, 32) of the side wall parts (3) extending along the longitudinal direction (DL) of the cylindrical body.Enclosure (1) characterized in that each side wall portion (3) has a composite structure with a main body made of a material and having at least one cavity or recessed area on its inner face (35), and in that at least one vacuum insulation panel, extending over a portion of the surface of the relevant side wall portion (3), is disposed in said at least one cavity, said insulation enclosure (1) also comprising at least one layer (7) of compressible material located at least between the main bodies (34) of the side wall portions (3) and the tank (2). [Figure to be published with the abbreviation: Fig. 2.

The present invention relates to a method for manufacturing a non-adhesive insulation system for a liquefied gas storage tank, the method comprising the steps of: installing first separation members to fit same onto studs disposed on an outer wall of a liquefied gas storage tank; installing second separation members in spaces between the studs; installing a sheet layer on the first separation members and the second separation members such that the sheet layer surrounds the outer wall to form a leakage path in the gap between the outer wall and the sheet layer; forming an insulation unit on the sheet layer; injecting gas into the leakage path; and checking, to detect a defect, whether the pressure in the leakage path is maintained at a reference pressure or higher. The step of forming an insulation unit includes the steps of: forming some insulation layers among a plurality of insulation layers; fastening fixing units to the studs; and forming the remaining insulation layers on the some insulation layers.

The invention belongs to the technical field of liquefied natural gas (LNG) storage tanks, and particularly relates to a flow blocking element for a corrugated plate of an LNG storage tank. The LNG storage tank comprises an insulation box and the corrugated plate arranged on the outer layer of the insulation box; the corrugated plate is provided with strip-shaped ridge parts facing the insulation box, a cavity is defined by the adjacent strip-shaped ridge parts and the surface of the insulation box, the flow choking element is arranged in the strip-shaped cavity defined by the adjacent strip-shaped ridge parts and the surface of the insulation box, and the flow choking element is provided with a nonlinear gas channel used for prolonging gas convection and / or increasing gas flow resistance. By arranging the nonlinear gas channel, when gas flows in the cavity, the path is prolonged, the resistance is increased, natural convection is effectively inhibited, the cooling capacity loss is reduced, and the evaporation rate (BOR) can be predicted to be reduced by 5%-10%. The system is diversified in structural form, high in adaptability, high in installation reliability, good in compatibility with an existing system and controllable in cost.