206results about "Container filling without pressure" patented technology

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.

The utility model discloses a liquefied air energy storage system which comprises a molecular sieve water separator and a molecular sieve adsorption tower, a separator air output pipe is connected with a top gas connecting pipe of the molecular sieve adsorption tower, and a bottom gas connecting pipe of the molecular sieve adsorption tower is connected with a cold box front compressor unit. The cold box front compressor unit is communicated with an air pipeline in the cold box, and an outlet of the air pipeline in the cold box is communicated with a first liquefied air storage tank through a first liquefied air output pipe with a first throttling valve; the output end of a liquid air pressure pump on a first liquefied air storage tank output pipe of the first liquefied air storage tank is communicated with the air input end of the expansion unit, the air output end of the expansion unit is provided with a hot blowing conveying pipe and a cold blowing conveying pipe, and the hot blowing conveying pipe is communicated with a bottom gas connecting pipe through a first heater and an electric heater; and the output end of the cold blowing gas conveying pipe is connected to the output end of the electric heater output pipe. The device has the advantages of simple structure, low energy consumption and full utilization of heat energy.

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.

Manual and automated methods of pre-charging an empty or partially empty insulated container with C02 snow are provided. A first location such as a charging location charges C02 liquid into a container to create a pre-charged container with C02 snow. The charging location prepares the pre-charged container for delivery to a second location, either by itself, or through a third party. The second location may be a clinical site, which upon receipt of the pre-charged container, loads a perishable item such as a biological sample into the pre-charged container. A user receives the pre-charged container with perishable item and removes the perishable item from the pre-charger container for testing (e.g., biological testing). Depending on the level of depletion of the C02 snow in the pre-charged container, the user returns the depleted container to the first location or the intermediate location.

The invention relates to a zero-loss methane propellant supercooling filling system and method, and the system comprises a liquid nitrogen supply unit, a methane supply unit, a supercooling methane storage tank, a heat exchange pipeline unit and a temperature control unit; the heat exchange pipeline unit comprises a first heat exchanger, a second heat exchanger, a third heat exchanger and a separation and recovery module; the liquid nitrogen supply unit is connected with the cold end of the first heat exchanger. The cold ends of the first heat exchanger, the second heat exchanger and the third heat exchanger are sequentially connected in series. Methane output by the methane supply unit exchanges heat with the third heat exchanger and then is input into the supercooled methane storage tank; methane output by the exhaust end of the supercooled methane storage tank exchanges heat with the second heat exchanger and then is input into the separation and recovery module; and the separation and recovery module is connected with the supercooled methane storage tank and the methane supply unit and is used for converging the recovered methane into the supercooled methane storage tank and / or returning the recovered methane to the methane supply unit. According to the method, freezing in methane supercooling filling is effectively avoided, and lossless filling is achieved.

The novel liquid nitrogen box comprises a box body, the upper end of the box body is of an opening structure, a box cover is arranged at the upper end of the box body, the box cover is connected with the box body through a buckle, the upper ends of the side walls of the front end and the rear end of the box body are each provided with three support containing grooves, each support containing groove is of an arc-shaped structure, and three supports are arranged in the box body. The supports are distributed at equal intervals, arc-shaped clamping rods are fixedly arranged above the supports, one ends of the arc-shaped clamping rods extend out of the box body through the support containing grooves, the upper ends of the arc-shaped clamping rods make contact with the box cover, a supporting plate is fixedly arranged below the position between the supports, and a plurality of fumigation holes are formed in the supporting plate. The support is fixedly provided with two placing plates above the supporting plate, the placing plates are distributed at equal intervals, and the structure solves the problems that the test tube support is easy to shake and the introduction amount of liquid nitrogen is difficult to grasp.

The utility model discloses an inflating device for an O-shaped inflating bag with double inflating ports. The inflating device comprises a shell and two inflating components, the inflation assembly comprises an inflation pipe arranged at the upper end of the shell, two pairs of inflation pressing wheels and a pair of feeding pressing wheels, wherein the two pairs of inflation pressing wheels and the pair of feeding pressing wheels are sequentially arranged in the axial direction of the inflation pipe. A plurality of inflation holes are formed in the upper end of the inflation pipe and located between the two pairs of inflation pressing wheels. A cutting knife is arranged between the feeding pressing wheel and the inflation pressing wheel. A lateral air groove is formed in the side surface of the inflating pipe; one end of the cutting knife is located in the lateral air groove, and the other end of the cutting knife is arranged at the upper end of the shell. The two inflation assemblies inflate the O-shaped inflation bag with two independent inflation openings at the same time, the independent feeding pressing wheels are arranged in the follow-up direction of the two pairs of inflation pressing wheels and used for traction conveying, meanwhile, the cutting knife is arranged between the feeding pressing wheels and the inflation pressing wheels, and it is guaranteed that two packaging edges of the O-shaped inflation bag are evenly stressed and synchronously fed.

The LNG metering filling and loading system comprises natural gas inlet pipelines, a gas filling main pipeline and a diffusion pipeline, the multiple natural gas inlet pipelines are connected with the gas filling main pipeline, and the diffusion pipeline is connected with the gas filling main pipeline through a safety valve; a gas filling gun is arranged at the tail end of the gas filling main pipeline, the flow coefficients of the gas filling gun and a gas filling snap valve in the gas filling main pipeline are selected to be more than 3, and the drift diameter of an internal pipeline in the gas filling main pipeline is phi 15-phi 20; according to the scheme, through special model selection of the gas filling gun and the main pipeline, the outward output flow of the whole pipeline in unit time can be increased, large-flow output is guaranteed, and therefore when gas filling is conducted on multiple vehicles, the gas filling time can be shortened, and the queuing waiting time can be shortened.

The utility model discloses a kind of liquid chlorine filling anti-leakage intelligent connecting devices, including liquid chlorine storage tank, the top of the liquid chlorine storage tank is equipped with connecting pipe, fixed ring is sleeved on the connecting pipe, the connecting pipe is equipped with cover plate, locking mechanism is installed on the side of the cover plate, filling mechanism is installed on the cover plate, first locking sleeve is sleeved on the filling mechanism, second locking sleeve is installed in the first locking sleeve, the second locking sleeve is fixed with feed pipe. The utility model is through the buckle type design of locking mechanism and fixed ring, realize the even locking and quick disassembly of cover plate and connecting pipe, effectively avoid the uneven stress and wear problem of traditional sealing structure;Filling mechanism is matched with double locking sleeve and shut-off valve, forms multilayer sealing system, in combination with the sealing seat and sealing ring of rubber material, significantly improve the anti-leakage performance under high pressure.

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.

The invention relates to a novel LNG receiving station storage tank BOG replacement zero-emission system and an implementation method, and on the basis of the design of an original LNG receiving station, the arrangement of equipment and facilities of the original LNG receiving station is not changed, and BOG replacement is carried out by adopting the operation scheme of the method. And the natural gas in the high-pressure output pipeline is returned to a BOG pipeline of the LNG storage tank through a throttling expansion device on the high-pressure gas supply pipeline, and the natural gas subjected to throttling expansion pressure reduction is introduced into the LNG storage tank from the tank top. Gas in the storage tank passes through the pump cylinder of the low-pressure pump from the bottom of the storage tank to the emptying valve on the pump cylinder connecting pipeline and is emptied outwards. Meanwhile, low-temperature BOG gas is introduced into a discharging pipeline and enters the storage tank through an upper liquid inlet and a spraying pipeline through the discharging pipeline, and the flow is cut off after precooling of the discharging pipeline of the storage tank is completed; the replacement process is simple and convenient, easy to operate and obvious in energy-saving effect.

The application relates to a liquid hydrogen hydrogenation station pressurizing system and a use method thereof. The liquid hydrogen hydrogenation station pressurizing system comprises a liquid hydrogen storage tank (10), a pressurizing assembly (20) and a refrigeration assembly (30), the liquid hydrogen storage tank (10) is connected with the pressurizing assembly (20) through a liquid hydrogen pipeline, a gas outlet of the pressurizing assembly (20) is connected back to the liquid hydrogen storage tank (10) through a gas hydrogen pipeline, and the refrigeration assembly (30) for condensing gas hydrogen is arranged between the liquid hydrogen pipeline and the gas hydrogen pipeline. Compared with the prior art, the application has the advantages of being capable of adjusting the liquid hydrogen storage tank pressure, reducing hydrogen loss, being capable of coping with liquid hydrogen tumbling, and the device being simple to build.

The application provides an LNG temperature adjusting device and method without phase change, wherein the temperature adjusting device comprises an LNG storage device, an LNG filling device and an LNG gas dispenser; the LNG storage device is connected with the LNG filling device and the LNG gas dispenser respectively, and is used for storing LNG solution; the LNG filling device comprises an LNG submersible pump and an air temperature heater, and is used for adjusting the temperature of the LNG solution; and the LNG gas dispenser is used for gas filling operation of the LNG solution. The application can pre-cool the connecting pipeline and components from the LNG submersible pump to the LNG gas dispenser before filling, so as to avoid rapid gasification of LNG caused by hot pipeline and components in the initial filling stage. After the LNG submersible pump is started, the outlet pressure of the LNG submersible pump is adjusted, so that the pressure is higher than the saturation pressure corresponding to the liquid temperature and is maintained stable, so that only temperature rise but no gasification is generated in the conveying process, and the gasification in the conveying process is inhibited.

Leak-proof and thermally insulating tank for the storage of a liquefied gas. The invention relates to a tank, the tank comprising a tank wall (100) including a sealing structure for hermetically sealing a space between the sealing membrane and the load-bearing wall (1000), the sealing structure comprising a first metal structure (6) and a second metal structure (9); the first metal structure comprising a first height (61) and a first base (62); the second metal structure comprising a second height (91) and a second base (92), the sealing membrane comprising corrugations and flat parts situated between the corrugations, the flat parts of the sealing membrane being hermetically fixed to the second base (92);the sealing membrane comprising caps (40) fixed in a watertight manner to the longitudinal ends of the longitudinal corrugations and to the second base (92) to close said longitudinal ends. Figure for the abbreviation: 6;

To reduce the time needed for cooling down a multiple heat-insulating structure tank for storage of a liquefied gas to reduce costs.SOLUTION: A method for cooling a tank for storing a liquefied gas, which includes an inner tank (3) and an outer tank (5), before the tank is filled with the liquefied gas, an object to be stored, includes: introducing a cooling liquefied gas (CH) into an inner tank internal space; and keeping an open state of a communication passage (11) between a space (9) between the inner and outer tanks and the inner tank internal space (7) until a temperature of the space (9) between the inner and outer tanks becomes a predetermined value or lower after introduction of the cooling liquefied gas (CH) starts.SELECTED DRAWING: Figure 1

To provide a gas processing system and a vessel including the same.SOLUTION: Provided are a gas processing system and a vessel including the same. The gas processing system for transmitting liquid gas from a storage tank of a bunkering vessel to a C type fuel tank provided on a gas propulsion vessel includes: a bunkering line for supplying the liquid gas in the storage tank to the fuel tank; a bunkering management unit for adjusting internal pressure of the storage tank by liquefying evaporation gas in the storage tank by a coolant and returning; and an evaporation gas return line for transmitting the evaporation gas generated in the fuel tank while bunkering through the bunkering line to the bunkering vessel, wherein the bunkering management unit lowers the internal pressure of the storage tank prior to bunkering to be already set pressure or less so that the evaporation gas is transmitted without compression by a separate compressor through the evaporation gas return line by holding the internal pressure of the fuel tank to be inner pressure of the fuel tank or less when bunkering.SELECTED DRAWING: Figure 1

The application discloses an electronic-grade trichlorosilane automatic filling system and an automatic filling method thereof, wherein the system comprises a high-purity buffer tank, a filter, a vacuum pump, an argon purifier, a residual liquid recovery tank, an online analysis cabin, a filling pipeline, a mass flowmeter, a ground scale, a PLC control system, an HCl alarm, an emergency shut-off valve and a remote signal transmission to a DCS control system, and the method comprises the following steps: filling tank pretreatment: performing vacuumizing, 9N argon pressure charging and pressure releasing on the filling tank, and detecting H2O and O2 at the end point, wherein the cycle number is n times, H2O is less than or equal to 10 ppm, and O2 is less than or equal to 10 ppm; two-stage filling: the PLC performs automatic filling according to the set weight and high / low speed rate, the ground scale is real-time returned, the mass flowmeter or the weight is mutually checked at the end point, and the filling valve is immediately closed when the target value is reached; and the application can realize automatic filling, online monitoring, one-key start and stop and remote monitoring, and the electronic-grade trichlorosilane automatic filling system and the automatic filling method thereof are batch traceable.

The present invention is a liquefied gas supercooling system, which supercools a liquefied gas using a mixed refrigerant, and includes: a compressor that compresses the mixed refrigerant; a separator provided downstream of the compressor that phase-separates the mixed refrigerant into a gas phase refrigerant and a liquid phase refrigerant; a fourth line through which the liquid phase refrigerant separated in the separator flows via a first pressure reducing valve; a fifth line through which the gas phase refrigerant separated in the separator flows via a first heat exchanger, a second heat exchanger, a second pressure reducing valve, and re-inflow into the second heat exchanger; a sixth line through which the mixed refrigerant combined from the fourth line and the fifth line flows via the first heat exchanger, the compressor, and the separator; and an anti-icing unit that adjusts the temperature of the mixed refrigerant on the fifth line or the sixth line.

A fill control system and method are provided. The system may include valves connecting a cryogen vessel to a cryogen manifold. The system may detect a cooling of the cryogen manifold caused by filling of another cryogen vessel with cryogen, and responsively initiate its own filling process. Thus, a number and duration of venting instances is reduced. Before filling a cryogen vessel with cryogen, a fill control system may vent filling lines and / or a cryogen manifold to limit introduction of warm fluid into a cryogen vessel. By determining when another fill control system has already initiated venting of the cryogen manifold (indicated by cooling of the cryogen manifold as cryogen flows), a fill control system reduces the amount of venting that it must perform prior to filling its associated cryogen vessel from the cryogen manifold.

The utility model relates to the technical field of liquid oxygen supply devices, and discloses a side filling type liquid oxygen supply device which comprises an oxygen supply device body, a liquid oxygen storage tank is arranged on one side in the oxygen supply device body, a filling valve located on the side face of the liquid oxygen storage tank is further arranged in the oxygen supply device body, and a first filling connector used for being connected with a liquid oxygen mother tank is arranged at the bottom of the filling valve. A second filling connector is arranged at the top of the oxygen supply device body and connected with a liquid oxygen guide pipe, and the liquid oxygen guide pipe extends upwards, then is bent downwards to the bottom of the oxygen supply device body and enters the liquid oxygen storage tank from the bottom of the liquid oxygen storage tank. According to the side filling type liquid oxygen supply device, the filling valve can be in a normal temperature state, so that the property change and the sealing capability reduction of the sealing gasket in the filling valve are avoided, and the liquid leakage phenomenon is avoided.

A floating body provided with: a floating body main body; a tank which is provided in the floating body main body, and in which ammonia is stored and a mixed gas comprising ammonia and a gas other than the ammonia is stored as a gas phase fraction; a compression unit into which the mixed gas in the tank is introduced and the mixed gas is compressed; a separation membrane into which the mixed gas that has been compressed by the compression unit is introduced to separate the mixed gas into the ammonia and the gas other than the ammonia; and a cooling section which cools the ammonia that has been separated by the separation membrane and is put back into the tank.

The invention relates to a carbon dioxide reliquefaction method used in the storage and transportation process, which comprises the following steps: monitoring the pressure in a carbon dioxide storage tank in real time, and when the pressure is higher than a preset threshold value, enabling gaseous carbon dioxide to enter a refrigerating unit through a gas connecting pipeline; the liquefied carbon dioxide is stored in a low-temperature container through a pipeline; when the liquid level in the carbon dioxide storage tank reaches a set value, liquefied carbon dioxide is pumped back to the carbon dioxide storage tank through a liquid spraying system; the supercooled carbon dioxide is directly sprayed into the carbon dioxide storage tank, so that the temperature and the pressure in the carbon dioxide storage tank are reduced, the safety of the carbon dioxide storage tank in the transportation process can be guaranteed, meanwhile, high efficiency, energy conservation, labor conservation and environmental protection are achieved, and the transportation cost is reduced. According to the method for re-liquefying and recovering the carbon dioxide overflowed by flash evaporation, the loss of the carbon dioxide in the transportation process is reduced, the transportation cost is reduced, zero leakage is realized, carbon dioxide leakage is avoided, and ship safety and environmental protection are guaranteed.

This utility model relates to the field of liquid nitrogen production, specifically to a filling device for liquid nitrogen production, comprising a box body, a first support plate, a second support plate, a claw plate, a multi-aperture adjusting disc, a main gear, a clamping arc plate, a filling pipe, and a base. The box body has a gear groove, within which the multi-aperture adjusting disc and the main gear are installed. Gear teeth are installed on the outer ring of the multi-aperture adjusting disc, meshing with the main gear. A filling pipe is mounted on the box body. The first and second support plates are installed on the lower side of the box body. A claw plate is installed at the right end of the first and second support plates, and a clamping arc plate is installed at the side end of the claw plate. A base is installed at the bottom of the first and second support plates.

The utility model provides a monosilane buffer filling device which comprises a condenser (7) used for converting gaseous monosilane into liquid monosilane, the input end of the condenser (7) is the input end of the device, and the outlet of the condenser (7) is in fluid connection with a hollow monosilane buffer tank (3) used for storing monosilane. The monosilane buffer tank (3) is in fluid connection with the vaporizer (4) and used for converting liquid monosilane in the monosilane buffer tank (3) into a gas state, and the monosilane buffer tank (3) is provided with a gas state outlet, namely the output end of the device.

The utility model discloses a handheld trace liquid nitrogen transfer device, including storage cylinder, the top surface of storage cylinder is installed with module box, the bottom surface of storage cylinder is installed with conical barrel, the bottom surface fixed connection of conical barrel has screw pipe, the inner top wall of conical barrel is installed with micro two -way pump, one end communication of micro two -way pump has first pipe line, and first pipe line passes through the inside of conical barrel and is linked with storage cylinder, the other end communication of micro two -way pump has second pipe line, and micro flow sensor and micro electric valve are installed on second pipe line.

The invention discloses a ship ammonia fuel filling method, and relates to the technical field of ship construction. The method comprises the following steps of: simulating an ammonia fuel filling operation leakage scene by utilizing computational fluid mechanics software, determining a filling operation toxic area and a filling speed of ship ammonia fuel filling operation, performing nitrogen inerting on filling equipment and a fuel cabin, injecting ammonia gas by utilizing an ammonia gas filling pipeline to replace nitrogen gas in the fuel cabin, and performing nitrogen gas inerting on the filling equipment and the fuel cabin. The method comprises the following steps of: pre-cooling a fuel cabin, filling liquid ammonia into the fuel cabin, cooperatively purging residual liquid ammonia in a shore pipeline and a ship pipeline connected with the fuel cabin after the liquid ammonia is filled, inerting an ammonia gas filling pipeline, and continuously cooling the cabin by using a ship recondensation system. According to the method, the ammonia fuel filling process is optimized, waste of ammonia gas resources is avoided, the pre-cooling treatment efficiency of ship ammonia fuel filling is improved, the safety of the ship ammonia fuel filling process is improved, and the ammonia leakage risk in the ship ammonia fuel filling process is effectively avoided.

This carbon dioxide recovery system is provided with: a carbon dioxide recovery unit for recovering gaseous carbon dioxide from a carbon dioxide-containing gas; a liquefaction unit for liquefying the gaseous carbon dioxide recovered by the carbon dioxide recovery unit; a plurality of storage units capable of storing the liquefied carbon dioxide liquefied by the liquefaction unit; a switching unit that, when some of the plurality of storage units discharge liquefied carbon dioxide, sends the liquefied carbon dioxide liquefied by the liquefying unit to the other of the plurality of storage units from which the liquefied carbon dioxide is not discharged; and a metering unit for metering the liquefied carbon dioxide discharged from the storage unit.

Methods of, and control systems for, operating modular, liquid natural gas (LNG) manifold apparatuses, crossover systems for such modular manifold apparatuses, and systems including one or more of the modular manifold apparatuses and a plurality of ISO tank containers. The modular manifold apparatus includes an ISO container (e.g., an open-frame ISO container) with a plurality of container connection sections or bays, a liquid system, and a vent system, where each of the liquid and vent systems includes a header and a plurality of connection lines configured to be coupled to the respective liquid and vent connections of LNG containers adjacent the modular manifold apparatus.