101 results about "Hydrogen station" patented technology

A hydrogen station loading control unit, which is capable of loading hydrogen vehicles with hydrogen, thereby promoting the wide use of hydrogen vehicles which are advantageous for the earth environment. The hydrogen station loading control unit communicates through a communication network with a plurality of hydrogen vehicles that drive with hydrogen in vehicle onboard hydrogen containers loaded at a plurality of hydrogen stations equipped with hydrogen loading units. The hydrogen station loading control unit includes a communication unit for receiving information relating to residual volume in each of the vehicle onboard hydrogen containers as transmitted by each of the hydrogen vehicles through the communication network, a data receiving function, a hydrogen vehicle DB which stores a regular hydrogen station for each of the hydrogen vehicles, a loading plan generating function for generating a loading plan for each of the hydrogen stations based on the residual volume information and a loading time setting & notifying function for transmitting the loading plan for each of the hydrogen stations through the communication network.

Provided is a hydrogen station that supplies hydrogen to an external hydrogen tank, the hydrogen station including: a reciprocating compressor that is driven by a driver of which revolution is controllable; a cooling device that is capable of cooling hydrogen supplied from the reciprocating compressor to the hydrogen tank; a temperature sensor that detects an internal temperature of the hydrogen tank or a temperature of the hydrogen supplied to the hydrogen tank; and a control unit that controls the revolution of the driver based on the temperature detected by the temperature sensor.

Provided is a hydrogen station that is used to charge hydrogen to a hydrogen tank mounted on a vehicle, the hydrogen station including: a compressor that compresses hydrogen; a lubricant cooling unit that cools the lubricant of the compressor while circulating the lubricant; a hydrogen cooling unit that is capable of cooling hydrogen which is not charged to the hydrogen tank mounted on the vehicle yet and is compressed by the compressor; a sensor that detects whether the vehicle approaches or reaches the hydrogen station; and a startup unit that starts up at least one of the lubricant cooling unit and the hydrogen cooling unit by a signal from the sensor.

The present invention provides a fuel filling system and a fuel filling method thereof that can determine the validity of information transmitted from a vehicle side while filling fuel with high accuracy. A hydrogen gas filling method of a hydrogen filling system includes: a step of filling hydrogen gas from a hydrogen station to a hydrogen tank under a predetermined filling control law (S2); and a determination step of determining whether a measurement error parameter corresponding to a difference between a filling amount of hydrogen gas calculated using information transmitted from the vehicle side and a filling amount of hydrogen gas calculated using a mass flow meter is within a predetermined permissible range (S9). In the filling step, the filling control law is changed after starting the filling of hydrogen gas, according to a determination result obtained in the determination step (S13 and S16).

A hydrogen station includes gas storage equipment for storing hydrogen, a dispenser for charging hydrogen gas supplied from the gas storage equipment into a hydrogen tank of a vehicle, and a blower. When charging hydrogen, the blower blows air towards a radiator of the vehicle parked at a predetermined vehicle parking area of the hydrogen station. The current flow of the blower is adjusted in accordance with the heat load on the radiator.

The invention discloses a fuel cell vehicle carriage hydrogen system; the system comprises a high-pressure hydrogen storage bottle group system, a bullied pipeline, an unloading pipeline, a hydrogen supply pipeline and a blowdown pipeline; the bullied pipeline, the unloading pipeline, and the hydrogen supply pipeline are connected to the high-pressure hydrogen storage bottle group system side by side; the blowdown pipeline is connected at the tail end for safe unloading; and the system can be applied to a hydrogen carriage hydrogen system of a fuel cell vehicle, which can receive the high-pressure hydrogen of a hydrogen filling station, can safely unload and use the carriage high-pressure hydrogen, and can provide steady pressure and flow for a fuel cell engine. The fuel cell vehicle carriage hydrogen system has the advantages of complete function, simple structure, in-place security protection measure, and high safety and reliability. When having the bullied, unloading, and hydrogen supply functions, the system also has the over-temperature, overpressure, overflow, and return protection functions.

The steam methane reformer using a premixed metal fiber burner which has a short flame length as well as a high temperature to thereby provide a high efficiency and also reduce a size, and a hydrogen station having the same. The steam methane reformer using a high performing metal fiber burner comprises a reforming part (110a) in which a catalyst for steam-reforming hydrocarbon materials and producing hydrogen is disposed; a combustion part (120) which is provided with a premixed metal fiber burner (120a) for generating heat required for the steam reforming reaction of the reaction tubes (110a); a raw material supplying part (130) for supplying hydrocarbon materials to the reaction tube (110a); and a hydrogen discharging part (140) for discharging hydrogen produced through the steam reforming reaction by the catalyst of the reaction tube (110a).

A hydrogen gas station is disclosed comprising, a reformer configured to generate a hydrogen-rich reformed gas through reforming reaction of an organic compound, a gas supply port configured to communicate with a gas supply pipe to supply the reformed gas to a plurality of fuel cells, and a gas recovery port configured to communicate with a gas recovery pipe to receive an off gas containing hydrogen unconsumed from the fuel cells, the hydrogen gas station being configured to consume the off gas.

A hydrogen supply system is configured so that a hydrogen supply station and a mobile hydrogen production system 1 are included, and hydrogen produced by the mobile hydrogen production system is supplied to the hydrogen supply station.

The invention provides a natural gas hydrogen production HCNG engine gas supply system which comprises a natural gas steel bottle, a gas pipe system and an engine. The natural gas steel bottle is communicated with the engine by the gas pipe system. Part of the gas pipe system is connected with a hydrogen production branch in a parallel way. The hydrogen production branch is connected with a sliding arc reactor which is connected with a power supply by a variable ratio transformer. The system electrolyzes part of single fuel (natural gas) of the natural gas hydrogen engine to obtain hydrogen of proper flow rate to be mixed into HCNG fuel and solves a series of problems of hydrogen station infrastructure, hydrogen fuel storage, hydrogen fuel transportation, and the like.

The gas supply system (2) is provided with a compressor unit (21), pressure accumulator units (23), a pre-cooling system (24), and a housing (4). In the gas supply system (2), the compressor unit (21) is disposed inside the housing (4) oriented in the vertical direction and the pre-cooling system (24) is disposed above the pressure accumulator units (23). The compressor unit (21) and the pressure accumulator units (23) are covered by a single rectangular parallelepiped-shaped housing (4).

The present invention is to properly manage life of an accumulator and extend the life of the accumulator.A gas supply system includes a control section, an acquiring section, a classifying section, and a judging section. The acquiring section acquires stress amplitude of accumulators from a pressure difference between first pressure on the gas storage side and second pressure on the gas lead-out side. The classifying section classifies the stress amplitude into a plurality of groups. The judging section divides the calculated acquirement number ni of the stress amplitude for each of the groups by the predetermined breaking cycle number Ni, and determines a fatigue degree Σni / Ni. In a case where this value becomes a predetermined threshold value or more, the judging section judges that the accumulator comes to the end of the life.

A hydrogen station includes gas storage equipment for storing hydrogen, a dispenser for charging hydrogen gas supplied from the gas storage equipment into a hydrogen tank of a vehicle, and a blower. When charging hydrogen, the blower blows air towards a radiator of the vehicle parked at a predetermined vehicle parking area of the hydrogen station. The current flow of the blower is adjusted in accordance with the heat load on the radiator.

A gas supply device includes a first compressor that compresses hydrogen gas, an accumulator disposed downstream of the first compressor and supplying the hydrogen gas to a dispenser that fills the hydrogen gas in a vehicle, and a gas flow passage that connects the first compressor, the accumulator, and the dispenser, and a control device. The gas flow passage includes a lead-in line for leading the hydrogen gas into the accumulator, a lead-out line for leading out the hydrogen gas from the accumulator, a lead-in side valve, and a lead-out side valve. The control device is capable of simultaneously bringing the lead-in side valve and the lead-out side valve into an open state.

The invention provides a method and system for rapid filling of hydrogen energy in a hydrogen fueling station. The method and system overcome the problems of long waiting time for hydrogen fueling andlow hydrogen fueling efficiency of fuel-cell vehicles in the prior art. The method comprises the following steps: S1, acquiring the pressure threshold data of preset buffer bottles, and filling the preset buffer bottles with hydrogen with corresponding pressure according to the pressure threshold; S2, receiving a hydrogen fueling signal, and filling the hydrogen storage bottle of a current vehicle with hydrogen via the preset buffer bottles; S3, acquiring the interior pressure data information of the hydrogen storage bottle of the current vehicle, and comparing the pressure data with the hydrogen pressure of a current buffer bottle to determine whether a pressure difference is less than the preset pressure threshold; and S4, if so, disconnecting the hydrogen storage bottle with the current buffer bottle, or if not, continuing the connection between the hydrogen storage bottle and the preset buffer bottles and filling the hydrogen storage bottle with hydrogen until the hydrogen storageamount of the hydrogen storage bottle reaches a preset volume threshold. With the method and system of the invention, superimposed hydrogen fueling via the buffer bottles with different pressures isemployed for the vehicle, so the hydrogen fueling efficiency of the fuel-cell vehicle is improved, and a plurality of vehicles can be filled with hydrogen simultaneously.

The invention provides a device and a method of rapi`q dly and accurately detecting impurities in high-purity hydrogen for a hydrogen fuel cell. A direct sampling mode is adopted, complex sample pretreatment is omitted, and the cost and the system complexity are greatly reduced; high-purity hydrogen is taken as a carrier gas for quantitative sampling, and a standard gas is taken as reference, so that accurate quantification is realized; the special mass spectrum device for hydrogen detection greatly improves low-end mass number resolution, detection stability and sensitivity, and the system stability is remarkably superior to that of a general chromatographic mass spectrometry method; a special control software system comprises a mass axis automatic calibration software module, a high-purity carrier gas automatic measurement software module, a standard gas quantitative automatic measurement software module, a sample quantitative automatic measurement software module, a sample impuritygas automatic calculation software module, and due to a built-in algorithm, measurement and control automation are realized. The characteristics are beneficial to rapid and accurate determination of the high-purity hydrogen impurities of the hydrogen station of the hydrogen fuel cell.

[Object] To enable a gas supply system to be easily transported and to increase a degree of freedom when the gas supply system is installed. [Solution] A hydrogen station includes: a filling facility for filling a tank-mounted device with a gas; and a gas supply system for supplying the gas to the filling facility. The gas supply system includes: a compressor for compressing the gas; a compressor accommodating body for accommodating the compressor; a refrigerator for cooling the gas flowed into the filling facility or the gas just before being flowed into the filling facility, the refrigerator including an evaporation part, an expansion part, and a compression part; and a cooler accommodating body for accommodating the evaporation part, the expansion part, and the compression part. The compressor accommodating body and the cooler accommodating body are detachable from each other.

A hydrogen gas station is disclosed comprising, a reformer configured to generate a hydrogen-rich reformed gas through reforming reaction of an organic compound, a gas supply port configured to communicate with a gas supply pipe to supply the reformed gas to a plurality of fuel cells, and a gas recovery port configured to communicate with a gas recovery pipe to receive an off gas containing hydrogen unconsumed from the fuel cells, the hydrogen gas station being configured to consume the off gas.

The invention relates to a refrigeration cycle method and a refrigeration cycle system for a 70MPa hydrogen filling station. The aim is to provide a refrigeration cycle method and a refrigeration cycle system for a 70MPa hydrogen filling station, which are convenient to install, are safe in usage and are low in cost. The method is in a double-refrigeration cycle, comprising the steps of primarily exchanging heat of the cooling liquid with the high pressure hydrogen; performing secondary heat exchange of the cooling liquid after heat exchange with a condensing agent to form a first double-refrigeration cycle; exchanging heat of the cooling liquid after secondary heat exchange with high pressure hydrogen, starting next double-refrigeration cycle. The refrigeration cycle system comprises a first heat exchanger where the high pressure hydrogen and the cooling liquid exchange heat primarily; a second heat exchanger provided with the condensing agent inside, the cooling liquid after primary heat exchange and the condensing agent exchange heat; a refrigerator set connected with the second heat exchanger and used for refrigerating the condensing agent in the second heat exchanger by a compressor.

A gas supply device for supplying a hydrogen gas to a dispenser of a hydrogen station includes: a refrigerant flow path through which a refrigerant for cooling the gas before being discharged from the dispenser flows; a refrigerator that can cool the refrigerant; a cooling device that can cool the refrigerant by latent heat when liquid hydrogen changes to the hydrogen gas; and a control unit that performs control to activate the refrigerator while stopping the cooling device when a condition set in advance is satisfied after performing control to activate the cooling device in activation of the hydrogen station.

[Object] To enable a gas supply system to be easily transported and to increase a degree of freedom when the gas supply system is installed.[Solution] A hydrogen station includes: a filling facility for filling a tank-mounted device with a gas; and a gas supply system for supplying the gas to the filling facility. The gas supply system includes: a compressor for compressing the gas; a compressor accommodating body for accommodating the compressor; a refrigerator for cooling the gas flowed into the filling facility or the gas just before being flowed into the filling facility, the refrigerator including an evaporation part, an expansion part, and a compression part; and a cooler accommodating body for accommodating the evaporation part, the expansion part, and the compression part. The compressor accommodating body and the cooler accommodating body are detachable from each other.

The invention discloses a mobile hydrogen feeding apparatus, comprising a mobile support, a hydrogen generation system, a compression system, a hydrogen storage system and a hydrogen feeding system; all the hydrogen generation system, the compression system, the hydrogen storage system and the hydrogen feeding system are arranged on the mobile support, the discharge end of the hydrogen generationsystem is communicated with the charge end of the compression system, the first discharge end of the compression system is communicated with the charge end of the hydrogen storage system, the first discharge end of the hydrogen storage system is communicated with the charge end of the hydrogen feeding system, and the hydrogen feeding system is used for feeding hydrogen into a hydrogen fuel battery. According to the embodiment of the invention, the hydrogen generation system, the hydrogen storage system and the hydrogen feeding system are arranged on the mobile support, the mobile hydrogen feeding apparatus can be flexibly moved to any position of the hydrogen fuel battery to feed hydrogen for the same, construction cost of a hydrogen feeding station is reduced, construction cycle of the hydrogen feeding station is shortened, maintenance and operation are facilitated, service range of the hydrogen feeding station is widened, and a hydrogen feeding network is completed.

A method is provided for notifying a driver that charging is required determined by utilizing the calculated remaining travel distance of the vehicle, the position information of the charging station and the position information about the destination. In particular, the method determines when the total travel distance in consideration of the destination exceeds the remaining travel distance of the vehicle. The driver is notified of the necessity for charging during the initial traveling, and before traveling beyond the rechargeable returning distance.

Disclosed herein is a cylindrical steam reformer, including a reforming part, a combustion part, an internal heat exchange part, and a steam generation part, which are integrally manufactured into a single reactor, thus forming an optimal heat exchange network leading to optimal performance of the individual parts. In addition, the steam reformer of this invention is designed in a manner such that an upper reactor zone, a middle reactor zone, and a lower reactor zone are removably connected so as to easily supply a catalyst and increase durability, and therefore such a reformer can be mounted in places which are small and require stability, such as hydrogen stations.

The invention discloses a community structure for a hydrogen energy small town. The community structure comprises renewable energy equipment, water electrolysis hydrogen making equipment, hydrogen storage equipment, a hydrogenation station, a proton exchange membrane fuel cell, rectification voltage transformation equipment, a power usage community and a charging pile, wherein direct current generated by the renewable energy equipment is input into the water electrolysis hydrogen making equipment to carry out electrolysis and prepare hydrogen, and the hydrogen is stored in the hydrogen storageequipment; the hydrogen storage equipment supplies the hydrogen to the hydrogen filling station and the proton exchange membrane fuel cell, direct current and heat energy are generated by the protonexchange membrane fuel cell, and the direct current is transmitted into the rectification voltage transformation equipment and is processed into alternating current to be supplied to the power usage community and the charging pile by the rectification voltage transformation equipment; the rectification voltage transformation equipment is remotely communicated with a national grid through a network. The community structure disclosed by the invention has the beneficial effects that renewable energy is more effectively utilized, the electric energy is stored and applied by using clean and environment-friendly hydrogen energy, and zero emission of greenhouse gas in a using process can be realized in the whole community.

A high-pressure trunnion ball valve which is particularly suitable for a high-pressure fluid, the high-pressure trunnion ball valve is composed of a ball (10) rotatably provided in a body (3) having a lid member (2), a seat retainer (11) seal-connected to the ball, a spring member (12) applying an elastic force to the seat retainer to a seal side, and a seal member (13) attached to an outer circumferential face of the seat retainer. An upper stem (50) and a lower stem (51) having the same diameter are provided on an upper side and a lower side of the ball in an extending manner, respectively, to constitute a ball member (52), shaft-attaching seal mechanisms (20) having the same structure are attached to the upper and lower stems at symmetrical positions regarding the ball to achieve a balance structure, thereby avoiding thrust loads.

The invention discloses an integrated system for production, storage, transportation and utilization of hydrogen energy on the basis of solar energy and biomass gasification. The integrated system comprises four parts namely a hydrogen production sub-system, a hydrogen storage sub-system, a hydrogen transportation sub-system and a hydrogen utilization sub-system, wherein the hydrogen production sub-system comprises a heliostat, a gasification reactor, a pre-heater and a cooling purifier; the hydrogen storage sub-system comprises a new gas compressor, a gas-steam combined cycle device, a methanol heat exchanger, a methanol synthetic tower, a gas-liquid separator, a rectifying tower and a methanol tank; the hydrogen transportation sub-system comprises a transportation device, wherein the methanol tank is connected with a methanol storage station by virtue of the transportation device; the hydrogen utilization sub-system comprises the methanol storage station, a trough type solar absorber / reactor, a hydrogen pressure swing adsorption purification device, a city gas pipe network system, a hydrogen station and a fuel cell. By adopting the integrated system disclosed by the invention, hydrogen can be prepared by making full use of renewable energy sources; the efficient storage and long-distance transportation of hydrogen energy can be realized by virtue of a high-quality carrier namely methanol; moreover, the problems of unbalanced resource distribution and economic development at present are solved.

The steam methane reformer using a premixed metal fiber burner which has a short flame length as well as a high temperature to thereby provide a high efficiency and also reduce a size, and a hydrogen station having the same. The steam methane reformer using a high performing metal fiber burner comprises a reforming part (110a) in which a catalyst for steam- re forming hydrocarbon materials and producing hydrogen is disposed; a combustion part (120) which is provided with a premixed metal fiber burner (120a) for generating heat required for the steam reforming reaction of the reaction tubes (110a); a raw material supplying part (130) for supplying hydrocarbon materials to the reaction tube (110a); and a hydrogen discharging part (140) for discharging hydrogen produced through the steam reforming reaction by the catalyst of the reaction tube (110a).