5114results about "Container filling under pressure" patented technology

The invention relates to a gas storage assembly applied to a carbon dioxide energy storage system and the carbon dioxide energy storage system, and relates to the technical field of carbon dioxide energy storage. The gas storage assembly comprises a gas storage, a gas distribution pipe and a connecting pipe, the carbon dioxide energy storage system further comprises an energy storage assembly, an energy storage container and an energy release assembly which are connected in sequence. The gas distribution pipe is provided with a plurality of gas ports communicated with a gas storage space of the gas storage; the first end of the connecting pipe is connected with the gas distribution pipe, and the second end of the connecting pipe is communicated with at least one of the energy storage assembly and the energy release assembly directly or through a pipeline structure; the distance between the connecting position of the air distribution pipe and the connecting pipe and one end of the air distribution pipe is 40-60% of the length of the air distribution pipe. According to the gas storage assembly provided by the invention, the balance of the gas inlet flow or the gas outlet flow in different areas of the gas storage space of the gas storage can be improved, the engineering design and debugging difficulty of the gas storage assembly is reduced, and the operation cost is reduced.

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.

The invention discloses an LNG storage tank BOG liquefaction recovery system and a control method thereof.The system comprises an LNG storage tank, an LNG buffer tank, an LNG pump and a refrigerating machine, the LNG pump is installed in the LNG buffer tank, when BOG in the LNG storage tank needs to be recovered, BOG conveyed by the LNG storage tank is cooled and liquefied through the refrigerating machine and then returns to the LNG storage tank, recovery of BOG gas in the LNG storage tank is achieved, and in the BOG recovery process, the BOG is recovered through the refrigerating machine. And when the supercooling degree of the LNG storage tank needs to be maintained, the LNG conveyed by the LNG storage tank is cooled through the refrigerating machine, the cooled LNG returns into the LNG storage tank, and after the cooled LNG is mixed with the LNG in the LNG storage tank, the temperature of the LNG in the LNG storage tank is reduced, so that the supercooling degree of the LNG storage tank is maintained. The whole system is simple in structure, BOG in the LNG storage tank can be liquefied and recycled, and the supercooling degree of the LNG storage tank can be maintained.

The invention discloses a supercritical carbon dioxide mineralization and storage method based on a paste filling technology. The supercritical carbon dioxide mineralization and storage method comprises the following steps: S1, preparing a paste filling material; s2, preparing supercritical carbon dioxide; s3, mineralization and storage: in order to realize large-scale mineralization and storage of CO2 in the mine, the mineralization and storage step comprises a mineralization filling slurry preparation process and a carbon injection mineralization process; according to the supercritical carbon dioxide mineralization and storage method based on the paste filling technology, the paste filling technology and supercritical carbon dioxide mineralization and storage are combined, mine solid waste with a large number of calcium and magnesium resources and supercritical carbon dioxide are fully mineralized, mineralization filling slurry is prepared and filled into an underground goaf, and the mining goaf is filled with the mineralization filling slurry. The mechanical property and the pore structure of the filling body are improved, the concept of treating waste with waste in a mine is met, and green mining of the metal mine is achieved.

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.

Method and apparatus for standby fuel storage and use to provide uninterrupted power generation by a power generation mechanism. An infrastructure pipeline supplies natural gas at a selected flow rate and a selected pressure as a primary fuel. A secondary fuel is accumulated in a plurality of sub-surface storage pods. In response to an exception event such as a curtailment order, a controller throttles a subsequent flow of the natural gas from the infrastructure pipeline so that the natural gas continues to flow to the power generation mechanism at a reduced flow rate, and blends the reduced flow of the natural gas with the secondary fuel. The secondary fuel can be an additional quantity of natural gas, hydrogen, or some other fuel. Renewable energy sources such as wind or solar can be used to generate the hydrogen, even during the blending process. The blend ratio can be adaptively adjusted.

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 invention discloses an on-line full-supercooling methane filling system and a filling method thereof, and relates to the technical field of rocket fuel filling systems, the on-line full-supercooling methane filling system comprises a first methane storage tank, a second methane storage tank, a first gas storage tank, a second gas storage tank, a second gas storage tank and a pre-cooling discharge pipeline, the first gas storage tank is connected with a rocket propellant storage tank and the pre-cooling discharge pipeline through a tube pass of a supercooler; the second methane storage tank is connected with the tube pass of the subcooler through a second pipeline; and the liquid nitrogen storage tank is provided with a third pipeline, and the third pipeline is connected with the shell pass of the subcooler. According to the on-line full-supercooling methane filling system, the technical problem that the risk of failure of a launching task is increased due to the fact that liquid level control is unstable when on-line supercooling filling is conducted on a rocket is solved, and the risk of failure of the launching task is increased when the flow in the methane filling process is adjusted. The flow of methane in the tube pass of the subcooler and the liquid level of liquid nitrogen in the shell pass of the subcooler are controlled to be unchanged, the situation of methane icing caused by unstable liquid level control is avoided, and then the risk of failure of a launching task is reduced.

The invention belongs to the technical field of automatic control, and discloses an air inflation control method and device for an aerial work suit, equipment and a storage medium, when it is detected that a compressed air cylinder on the aerial work suit is started to inflate a protective air bag, air pressure sensing data and temperature sensing data in the compressed air cylinder are collected in real time; calculating a deviation value between the air pressure sensing data and the standard air pressure data and a deviation value between the temperature sensing data and the standard temperature data; when any deviation value reaches a specified threshold value, differential calculation is carried out on the deviation value to obtain an air pressure change rate signal and a temperature change rate signal, the air pressure change rate signal and the temperature change rate signal are fused to obtain a fused change rate signal, and the fused change rate signal is input into a pre-trained prediction model to obtain a target control parameter; and the inflation rate of the compressed gas cylinder is adjusted according to the target control parameters, so that the inflation rate is adjusted in real time through feedback of the pressure and temperature in the compressed gas cylinder, excessive inflation is avoided, accidents are reduced, the control accuracy is improved, and the safety performance is improved.

A natural gas filling device reliable in sealing is disclosed. The device is characterized in that the device comprises a liquid filling gun, a liquid receiving component matched with the liquid filling gun and used for filling a gas cylinder with liquid, and a gas returning component communicated with the gas outlet of the gas cylinder; the liquid filling gun is provided with a first outer shell, a first rotating fastener disposed in the first outer shell and connected to the first outer shell and the inner wall of which is provided with a symmetrical spiral groove, a first valve body between the first rotating fastener and the first shell, and a first valve core disposed in the first valve body and containing a liquid inlet and a liquid outlet; and the liquid receiving component is provided with a first shell, wherein the head of the first shell extends into the first rotating fastener and is in sealing match with the tail part of the first valve body, and the periphery of the first shell is provided with a first pivot pin engaged with the spiral groove in the first rotating fastener. The device is convenient in maintenance, replacement and operation of quick-wear parts and convenient to use. The device can be used for other low-temperature liquid media besides LNG and is simple in structure, low in cost, convenient in operation and reliable in sealing.

The invention discloses a floating wind power platform self-energized carbon capture and deep sea sealing integrated system, which comprises a floating platform foundation, which comprises a plurality of buoy parts, and the buoy parts are integrated through connecting parts; the double-path carbon capture subsystem comprises an air carbon capture module and a seawater carbon capture module; the air carbon capture module introduces air into the adsorption module through negative pressure, and selectively adsorbs CO2 in the air; the seawater carbon capturing module is used for separating out CO2 from seawater in an electrochemical separation mode; the carbon sequestration subsystem is used for compressing, liquefying and sequestration the CO2 conveyed by the double-path carbon capture subsystem; and the wind power function subsystem comprises a wind power generation tower and power distribution equipment for supplying power to each subsystem. The platform is reasonable in configuration and high in function integration degree, has the advantages of wind energy driving, autonomous operation, continuous carbon capture, on-site storage and the like, is particularly suitable for deep and far sea areas without seabed pipe networks and far away from shore-based power grids, and can be used for application scenes such as wind power plant carbon compensation and ocean carbon removal.

The embodiment of the invention discloses a hydrogen refueling station hydrogen leakage detection method and device and electronic equipment. The method comprises the steps that in response to the fact that the actual flow difference value between upstream and downstream pipelines in the hydrogen refueling station is larger than a flow difference threshold value, flow data of all the pipelines in the hydrogen refueling station after the pipelines are connected into leakage detection branches are detected; and in response to the fact that the flow data corresponding to the first pipeline meets the hydrogen leakage condition, determining a target area, in which the local amplification image corresponding to the first pipeline changes to a target color within a first preset duration, as a hydrogen leakage position. In addition, the method further comprises the step of determining the minimum pipeline path so as to isolate the pipeline section corresponding to the minimum pipeline path. According to the embodiment of the invention, even if the hydrogen leakage amount is small at the initial stage of hydrogen leakage, and no matter where the leakage position is, the leakage pipeline and the specific leakage position can be determined in time, so that the leakage pipeline can be isolated in time at the initial stage of leakage, and potential safety hazards are reduced.

The invention provides a hydrogen refueling station and a refueling method of a hydrogen storage bottle group of the hydrogen refueling station. The hydrogen refueling station comprises a first hydrogen storage bottle group, a first control valve, a second hydrogen storage bottle group, a second control valve, a third control valve and a fourth control valve, the end part of the first hydrogen storage bottle group is connected with a first pipeline, and the first control valve is arranged on the first pipeline; a second pipeline is arranged at the end part of the second hydrogen storage bottle group; the second control valve is arranged on the second pipeline; the first hydrogen storage bottle group is communicated with an outlet of the second pipeline through a third pipeline; the third control valve is arranged on the third pipeline; the second hydrogen storage bottle group is communicated with an outlet of the first pipeline through a fourth pipeline; the fourth control valve is arranged on the fourth pipeline; controlling the first control valve and the second control valve to be closed and controlling the third control valve and the fourth control valve to be opened under the condition that the continuous filling frequency of the second hydrogen storage bottle group is greater than or equal to the preset frequency; and controlling the first control valve and the second control valve to be opened under the condition that the continuous filling frequency of the first hydrogen storage bottle group is greater than or equal to the preset frequency.

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 relates to a hydrogen refueling station system which comprises a gas filling column, a compression system, a hydrogen storage system and a hydrogen filling machine which are sequentially connected in series, the compression system comprises a first compressor and a second compressor, the first compressor is connected with a first hydrogen storage bottle set, and the second compressor is connected with a second hydrogen storage bottle set. The sequence control panel arranged in the hydrogen refueling station system obtains the pressure in the equipment to be subjected to hydrogen refueling in real time according to the set control logic and judges the relation between the pressure and the hydrogen storage containers of different grades so as to adjust opening and closing of the corresponding valves and the opening degrees of the valves, hydrogen refueling of two refueling pressures is achieved in one hydrogen refueling station, and the safety of hydrogen refueling is improved. The device can be applied to equipment to be subjected to hydrogenation in different scenes, so that the filling pressure is controlled within a safe range, the hydrogenation safety is improved, meanwhile, hydrogenation is carried out at proper filling pressure, and the hydrogenation speed and efficiency are improved.

The invention belongs to the field of hydrogen filling, and relates to an automatic hydrogen filling system for a hydrogenation mother station, which comprises a hydrogen purification device, a plurality of hydrogen compressors, a plurality of filling main pipes, a plurality of branch pipelines, a plurality of emptying pipelines, a plurality of filling hoses and a control system, an outlet of each hydrogen compressor is connected with a compressor outlet pressure gauge and a check valve, each branch pipeline is provided with a branch stop valve, and each emptying pipeline is provided with an emptying adjusting valve. And the control system is in signal connection with the compressor outlet pressure gauge, the branch stop valve, the emptying regulating valve and a long pipe vehicle pressure gauge arranged on the long pipe vehicle, and is used for automatically executing the actions of boosting, depressurizing, filling and stopping filling according to the pressure difference. Compressor pressure, filling header pipe pressure and long pipe vehicle pressure cooperate with one another, full automation and full flow of filling boosting and depressurization are achieved, and the working efficiency is improved.

The invention discloses a hydrogen storage and transportation system under a wind-solar hydrogen production project and a control method. The hydrogen storage and transportation system at least comprises a hydrogen flowing pipeline and a water flowing pipeline, the hydrogen flowing pipeline at least comprises a first compressor, a low-pressure hydrogen storage container, a third compressor and a second heat exchanger which are connected in sequence; the first compressor is further sequentially connected with a second compressor, a high-pressure hydrogen storage tank, an eighth valve connected with the pressure reducing valve in parallel and a third compressor; the second compressor, the high-pressure hydrogen storage tank and the low-pressure hydrogen storage container are connected in parallel; the high-pressure hydrogen storage tank is connected with the pressure reducing valve through a ninth valve connected with the third compressor in parallel; the first compressor pressure is smaller than the third compressor pressure and smaller than the second compressor pressure; the water flow pipeline at least comprises a first heat exchanger, a first water pump and a second water pump which are sequentially arranged in the water flow direction. The second water pump is in fluid communication with the second heat exchanger; the first heat exchanger is arranged on the cooling water pipeline corresponding to the compressor. The multi-aspect requirements of stable output, efficient storage, energy conservation, environmental protection and the like can be met.

The present invention discloses an air supply system for an air compressor station, comprising an air compressor unit; a non-purified air storage tank, which is in airflow communication with the air compressor unit; a dryer, which is in airflow communication with the non-purified air storage tank and is used to receive the airflow output from the non-purified air storage tank; an instrument air storage tank, which is in airflow communication with the dryer and is used to receive the airflow passing through the dryer; at least one air-using unit, which is in airflow communication with the non-purified air storage tank and the instrument air storage tank respectively and is used to receive the airflow output by them; an air supply pipe network, comprising a first main road, a second main road, a third main road, a fourth main road, at least one first branch road and at least one second branch road, the first main road is arranged in parallel with the second main road, one end of which is connected to the non-purified air storage tank and the other end is connected to the first branch road, the third main road is arranged in parallel with the fourth main road, one end of which is connected to the instrument air storage tank and the other end is connected to the second branch road, and the first branch road and the second branch road are respectively in airflow communication with the air-using unit.

The invention provides a multi-target collaborative optimization scheduling method for a hydrogen-containing comprehensive energy system, and the method comprises the steps: building a hydrogen energy diversified utilization model containing electrolytic hydrogen production, hydrogen-to-methane production, hydrogen-to-electricity conversion, carbon capture, hydrogen storage and thermoelectric hydrogen doping, and fully absorbing surplus wind power new energy; on the basis, economy and low-carbon property are taken into consideration, a hydrogen-containing comprehensive energy system multi-target optimization scheduling model with minimum total operation cost and minimum carbon emission as targets is established, the model is solved in combination with an epsilon-constraint method and a TOPSIS decision-making method, and quantity-quality cooperative operation of the comprehensive energy system is promoted. Under the condition that the hydrogen doping ratio of fuel gas is fixed, the total cost and the carbon emission amount are reduced along with the increase of the hydrogen doping ratio of the CHP unit, and when the hydrogen doping ratio reaches up to 20%, the economic benefit and the environmental benefit of the IES are the best. Compared with a traditional IES optimization scheduling problem, multi-objective optimization can better promote quantity-quality cooperative operation of the IES, the overall performance of the comprehensive energy system is improved, and the method can be widely applied and popularized.

A distributed hydrogenation device relates to the field of hydrogen energy application and comprises a water heater, a water cooler, a solid hydrogen storage system, a hydrogen booster pump, a cooler and a hydrogenation gun, the solid hydrogen storage system comprises a heat exchanger, a combined placement rack and a plurality of solid hydrogen storage modules, the water heater and the water cooler are connected with the heat exchanger, and the hydrogen booster pump is connected with the combined placement rack. A plurality of solid hydrogen storage modules are placed on the combined placing frame, metal hydrogen storage alloy is arranged in each solid hydrogen storage module and used for storing hydrogen, the solid hydrogen storage system is sequentially connected with the hydrogen booster pump, the cooler and the hydrogenation gun, and a buffer tank is arranged between the hydrogen booster pump and the hydrogenation gun. The temperature of the heat exchanger is regulated and controlled, so that the solid hydrogen storage system supplies hydrogen to the hydrogen booster pump at the required pressure, the hydrogen booster pump supplies hydrogen to the terminal vehicle-mounted hydrogen storage device through the hydrogenation gun after boosting to the required pressure, and the external hydrogen supply equipment supplements hydrogen to the solid hydrogen storage system regularly for the next cycle.

The invention provides a refueling station filling function detection device and method. The device comprises an operation control module, a vehicle-mounted hydrogen storage simulation module, a hydrogen diffusion module, a hydrogen supply module, a nitrogen purging module, a hydrogen replacement module, a weighing metering module and a skid-mounted carrying module. The operation control module comprises a control unit and an operation panel, different control signals are generated according to the requirements of workers, and the vehicle-mounted hydrogen storage simulation module is used for simulating vehicle-mounted hydrogen storage systems of different vehicle types and is connected with a hydrogen filling port of the hydrogen supply module through a main filling pipeline; the nitrogen purging module and the hydrogen replacement module are connected with the main pipeline through a pressure regulating valve and a one-way valve; the hydrogen diffusing module is connected with the main pipeline through a stop valve, and hydrogen in the pipeline of the device is vented through a flame arrester. By adopting the device, the problems of complicated operation and easy damage to equipment in a station in the existing detection technology are solved, the pressure and temperature of related media are detected in real time by adopting an automatic detection technology, and the filling function and metering of the hydrogen filling machine are monitored.

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 utility model belongs to the technical field of oxygen filling, and particularly relates to an oxygen filling and leakage detecting integrated device which is used for filling oxygen into an oxygen bottle and comprises an inflation assembly, a protection assembly and a leakage-proof detecting assembly, the inflation assembly is detachably connected with the oxygen bottle so that oxygen can be filled into the oxygen bottle, and the protection assembly is detachably connected with the leakage-proof detecting assembly. The protection assembly is used for carrying out leakage-proof protection on the joint of the inflation assembly and the oxygen bottle, the leakage-proof detection assembly is used for detecting whether the protection assembly and the oxygen bottle leak air or not, if air leaks, the inflation assembly stops inflation, and otherwise, inflation is continuously carried out till the oxygen bottle is fully filled. According to the utility model, air leakage can be prevented in the process of inflating the oxygen bottle.

According to the liquid hydrogen refueling station cold energy recovery system and the control method, the cold energy recovery system comprises a liquid hydrogen pump and a gas hydrogen buffer tank, a cold energy recovery device is arranged between the liquid hydrogen pump and the gas hydrogen buffer tank, and the cold energy recovery device comprises at least one stage of thermoacoustic engine and at least one stage of pulse tube refrigerator; the thermoacoustic engine can recover cold energy released when liquid hydrogen flows through the thermoacoustic engine and drive the pulse tube refrigerator to conduct refrigeration. According to the cold energy recovery system, the low-temperature fluid flows through the cold energy recovery device to absorb heat and then enters the gas hydrogen buffer tank to be stored, the thermo-acoustic engine in the cold energy recovery device is driven by the cold capacity of the low-temperature fluid, meanwhile, the thermo-acoustic engine converts the cold capacity into acoustic power and then transmits the acoustic power to the pulse tube refrigerator for refrigeration, the conversion efficiency is high, and the energy consumption is low. Efficient recovery of cold energy is achieved, and cold energy lost in the temperature rising process of low-temperature fluid can be effectively recovered.

A hydrogen production system includes a hydrogen generation device to generate hydrogen, and a compressor to compress the hydrogen. The hydrogen generation device and the compressor are connected by a first line. The compressor and a hydrogen utilization equipment to utilize the hydrogen compressed by the compressor are connected by a second line. A hydrogen storage unit to store the hydrogen compressed by the compressor is connected to the first line by a first bypass line. The first bypass line has a first control valve to control a flow of the hydrogen in the first bypass line.

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.

The invention relates to a pump tower structure and a liquefied gas storage container, and relates to the technical field of liquefied gas storage tanks. The pump tower structure penetrates through the top wall of the outer tank body to communicate inside and outside the outer tank body. The pump tower structure comprises a pump liquid pipe, a buffer pipe and a fixed disc. The lower end of the liquid pumping pipe penetrates through the top wall of the outer tank body into the outer tank body. The buffer pipe is arranged outside the pump liquid pipe in a sleeving mode, and a buffer space is formed between the buffer pipe and the pump liquid pipe. The fixing disc is arranged at the upper end of the buffer pipe and protrudes out of the upper end of the buffer pipe in the radial direction. Wherein the end portions of the pump liquid pipe are directly or indirectly fixed to the top wall and the bottom wall of the outer tank body respectively, a clamping block is arranged on the top wall of the outer tank body, and the clamping block is connected with the fixing disc in a clamped mode and limits the fixing disc to move in the vertical direction. The pump tower structure can solve the problem that in the prior art, a pump tower is prone to damage when being impacted by liquid materials in a storage tank.

The invention relates to a hydrogen source system for an unmanned aerial vehicle, and aims to solve the problem of inconvenience in hydrogenation of an existing hydrogen fuel cell unmanned aerial vehicle. The system comprises a hydrogen production module, a hydrogen storage module, a hydrogenation module and an automatic homeward voyage hydrogenation control module. The hydrogen production module generates high-purity hydrogen through a water electrolysis hydrogen production device; the hydrogen storage module stores a large amount of hydrogen through a high-pressure hydrogen storage tank, and the long-time flight requirement is met; the hydrogenation module rapidly and accurately injects hydrogen into the unmanned aerial vehicle through a hydrogenation pipeline, a valve and a connector; the automatic homeward voyage hydrogenation control module monitors the state of the unmanned aerial vehicle in real time, judges hydrogenation requirements and controls the unmanned aerial vehicle to automatically return voyage to the platform for hydrogenation. The use convenience and the intelligent degree of the unmanned aerial vehicle are improved, and the unmanned aerial vehicle has the advantages of being compact in structure, complete in function, easy and convenient to operate and the like, is suitable for various hydrogen fuel cell unmanned aerial vehicles and has wide application prospects and market value.

The invention discloses a high-pressure gas high-flow rapid filling connector controller and method.The controller comprises a gas inlet connector pipe, a main valve element set and a movable valve element set are installed in the gas inlet connector pipe, and a main sealing seat is installed in the gas inlet connector pipe; the main valve element set is provided with a valve element main flow channel and a gas channel. The movable valve element set is movably arranged at one end of the main valve element set in a sleeved mode, a main valve sealing gasket is installed on the movable valve element set, and the flow of the gas channel is controlled through the contact degree of the main valve sealing gasket and the main sealing seat. The movable valve element set is provided with a pilot flow channel, the pilot flow channel guides pilot gas to flow in the direction away from the main sealing seat and then converge into the valve element main flow channel, and the pilot gas is a part of gas shunted to the front of the main valve element set from the gas inlet connector pipe. After the valve element is improved, the first flow guide channel is utilized, and by means of the pressure difference between the two ends of the valve element, a worker is assisted in controlling high-pressure gas.