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60 results about "Hydrogen purifier" patented technology

A hydrogen purifier is a device to purify hydrogen if hydrogen production is done from hydrocarbon sources, the ultra-high purified hydrogen is needed for applications like PEM fuel cells .

Fuel cell car

The invention discloses a fuel cell car. The fuel cell car comprises a methyl alcohol hydrogen producer, a fuel cell and a car motor, wherein the methyl alcohol hydrogen producer comprises a methyl alcohol storage container, a raw material conveyor, a reformer and a hydrogen purifier; the reformer comprises a heat exchanger, a gasifying chamber, a reforming chamber and a separating chamber, and the hydrogen purifier is arranged in the separating chamber; the lower and middle parts of the reforming chamber are at the temperatures of 300-420 DEG C, and the upper part of the reforming chamber is at the temperature of 400-570 DEG C; the temperature in the separating chamber is set into 350-570 DEG C, hydrogen is obtained at the hydrogen producing end of the hydrogen purifier in the separating chamber, and the hydrogen is supplied to the fuel cell after heat exchange is carried out in the heat exchanger; the fuel cell comprises at least two fuel cell groups, and is used for producing electricity through the electrochemical reaction of the hydrogen and oxygen and supplying the car motor with electricity; the car motor is used for driving a car shaft to rotate and accordingly driving the car to run. The methyl alcohol raw material can be converted to the hydrogen at a high speed, the methanol conversion efficiency and utilizing rate are high, and the purification of hydrogen containing gas is easy.
Owner:GUANGDONG HYDROGEN ENERGY SCI & TECH

Device for continuously and controllably producing hydrogen by virtue of hydrolysis of magnesium hydride and method for producing hydrogen by device

The invention discloses a device for continuously and controllably producing hydrogen by virtue of hydrolysis of magnesium hydride and a method for producing hydrogen by the device. The device comprises a magnesium hydride storage device (1), a magnesium chloride solution storage device (4), a hydrogen production reactor (5 ) and a solid-liquid separator (7), wherein a first material inlet (I) of the hydrogen production reactor (5 ) is connected with the magnesium hydride storage device (1), a second material inlet (I) of the hydrogen production reactor is connected with the magnesium chloride solution storage device (4), a first guide outlet (I) of the hydrogen production reactor is connected with a hydrogen purifier (8), a second guide outlet (II) of the hydrogen production reactor is connected with an inlet of the solid-liquid separator (7) through a spiral reaction pipe (6) and an outlet of the solid-liquid separator (7) is connected with the hydrogen purifier (8). By the device for producing hydrogen, hydrogen can be efficiently, controllably and continuously stably output and the device has the advantages of strong operability, high safety and is easy to increase and amplify and can meet the requirements of hydrogen fuel cells with different powers on online hydrogen sources.
Owner:NANJING UNIV OF TECH

Mobile hydrogen-generating hydrogen-storing integrated device and hydrogen supplying method thereof

The invention relates to a movable integrated device for generation and storage of hydrogen and a hydrogen supply method, which belongs to the hydrogen preparation technical field. The movable integrated device for generation and storage of hydrogen comprises a hydrogen generator and a hydrogen storage tank. The device is characterized in that: the hydrogen generator is connected with a gas-water separator through a pipeline, and the gas-water separator is connected with a hydrogen purifier through a pipeline; the hydrogen purifier is connected with the hydrogen storage tank through a pipeline, and the hydrogen storage tank is provided with a temperature controlling apparatus. The hydrogen supply method is that: chemical reaction happens in the hydrogen generator to produce hydrogen, and the water and the hydrogen are separated by the gas-water separator; then purified by the hydrogen purifier, the hydrogen is stored into the storage tank after temperature regulated; while the hydrogen is needed, the hydrogen storage tank supplies the hydrogen through controlling the temperature. The invention has the advantages of simple structure, low construction cost, reliable technique, safety, high hydrogen generating speed, high purity of the hydrogen, less energy consumption and no pollution, etc., and is particularly applicable to movable situations.
Owner:天津海蓝德能源技术发展有限公司

Mixed gas filling device and mixed gas filling method of CNG and HCNG

The invention relates to a mixed gas filling device and a mixed gas filling method of CNG and HCNG. The device comprises a pre-processing system, a mixed pressure raising system and a filling and storing system, wherein the pre-processing system is connected with the mixed pressure raising system and the filling and storing system and comprises a tube bundle CNG conveying trailer, a tube bundle hydrogen conveying trailer, a CNG gas discharging column, a hydrogen discharging column, a CNG purifier and a hydrogen purifier; the mixed pressure raising system comprises a special piston compressor unit for CNG, a special diaphragm compressor unit for hydrogen and a high pressure mixing device; the gas inlet of the special piston compressor unit for CNG is connected with the gas outlet of the CNG purifier, and the gas outlet of the special piston compressor unit for CNG is connected with the CNG gas inlet pipeline of the high pressure mixing device; the gas inlet of the special diaphragm compressor unit for hydrogen is connected with the gas outlet of the hydrogen purifier, and the gas outlet of the special diaphragm compressor unit for hydrogen is connected with a hydrogen inlet pipeline of the high pressure mixing device; and an HCNG gas outlet pipeline of the high pressure mixing device is connected with the filling and storing system. The mixed gas filling device and the mixed gas filling method provided by the invention can be widely applied to gas stations of HCNG automobiles and CNG automobiles.
Owner:TSINGHUA UNIV

Mobile hydrolyzed-aluminum hydrogen production device

InactiveCN101525119AEasy to useSafe, convenient and reliable to useHydrogen productionElectrolysisHydrogen purifier
The invention relates to a mobile hydrolyzed-aluminum hydrogen production device, which belongs to the technical field of hydrogen production, aims to be used for transportation means and consists of a recycling-use hydrogen production bucket, a hydrogen supply part and a hot-water supply part, wherein reaction materials used in the invention are water and hydrolyzed aluminum developed by the applicant; the hydrolyzed aluminum reacts in hot water at a temperature of between 60 and 95 DEG C to form hydrogen and alumina; the alumina is reduced into aluminum through electrolysis and then prepared into the hydrolyzed aluminum for recycling use; the hydrogen supply part uses hydrogen-transmitting pipe to combine the hydrogen production bucket, a condensate filter, a hydrogen-storing device, a constant-pressure hydrogen-supplying device and a hydrogen purifier and then supplies hydrogen to a hydrogen-using device; and the hot-water supply part uses a water pipe to supply the remaining hot water of the hydrogen-using device to the hydrogen production bucket through a water pump, an electronic-control tee proportioning valve, an electric heater and the like. The mass ratio of the hydrogen production bucket to the hydrogen yield thereof is about 20 to 1, and is about one quarter of that of a metal hydrogen-storing tank to hydrogen storage capacity. A working medium used in the invention is free from toxicity, harm and smell, safe and convenient to use and cheaper than gasoline. The hydrogen production device has the advantages of simple structure and implementation convenience.
Owner:陈世敏

Combined cooling, heating and power composite system based on ammonia energy ship and power supply method

ActiveCN111170273AOvercome costsOvercome the shortcomings of flammable and explosiveAuxillariesHydrogen productionCatalytic decompositionHydrogen purifier
The invention provides a combined cooling, heating and power composite system based on an ammonia energy ship. The combined cooling, heating and power composite system comprises a hydrogen productionsystem, a ship power supply system and a cooling, heating and heat exchange circulating system. The hydrogen production system comprises a marine liquid ammonia storage tank, a flow regulating valve bank, a gasifier, a pressure regulating valve bank, a drying filter, an ammonia preheater, an electric heater, an ammonia catalytic decomposition hydrogen separation unit, a hydrogen purifier, a hydrogen cooler and a hydrogen pressure flow control valve bank which are communicated in sequence; the ship power supply system comprises a hydrogen-air fuel cell, a motor propeller and a storage battery.The cooling, heating and heat exchange circulating system comprises a waste heat boiler and a secondary refrigerant pump; the waste heat boiler is used for generating saturated steam to meet the heatrequirements of ship auxiliary machines and passenger cabins. The secondary refrigerant pump is used for cooling the ship equipment and supplying related cooling capacity to the ship. The problem thata large amount of energy is consumed due to the fact that an existing hydrogen production-hydrogen storage technology cuts off the hydrogen production technology and the hydrogen storage technology is solved.
Owner:DALIAN MARITIME UNIVERSITY

Recycling hydrogen purification processing method for producing polysilicon by reducing trichlorosilane

The invention discloses a recycling hydrogen purification processing method for producing polysilicon by reducing trichlorosilane. Two groups of metal palladium composite membrane hydrogen purifiers which are serially connected are adopted for carrying out purification processing on recycling hydrogen obtained by trichlorosilane reduction, wherein the first group of metal palladium composite membrane hydrogen purifiers are relatively larger, the ultra-pure hydrogen (H2 purity is more than 99.9999%) after purification processing is returned to a reducing furnace and used as a raw material gas for trichlorosilane reduction; and the second group of hydrogen purifiers are relatively smaller, and the high-pure hydrogen (H2 purity is 99.999%) after purification processing is transmitted to a hydrogen cooling chemical section and used as a raw material gas. The recovery ratio of the recycling hydrogen after the purification processing by adopting the method disclosed by the invention can reach 99%. When hydrogen chloride content is higher in the recycling hydrogen, a necessary dechlorination measure is adopted for lowering HCl content below 0.5 ppm. By adopting the hydrogen purified by the method disclosed by the invention to produce the polysilicon, purity and quality of the polysilicon products can be obviously improved, and an obvious energy-saving emission reduction effect is achieved.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

CNG and HCNG mixing and refilling device and method

The invention relates to a CNG and HCNG mixing and refilling device and a CNG and HCNG mixing and refilling method. The device comprises a prepositioned treatment system, a mixing and pressurizing system and a filling and storing system, wherein the prepositioned treatment system is connected with the filling and storing system by the mixing and pressurizing system; the prepositioned treatment system comprises a pipe bundle CNG conveying trailer, a pipe bundle hydrogen gas conveying trailer, a CNG unloading column, a hydrogen gas unloading column, a CNG purifier and a hydrogen gas purifier; the mixing and pressurizing system comprises a mixing device, a CNG special piston compressor set and an HCNG special diaphragm compressor set; a gas inlet of the CNG special piston compressor set is connected with a gas outlet of the CNG purifier; the gas outlet of the CNG special piston compressor set is connected with the filling and storing system; a hydrogen gas inlet pipeline of the mixing device is connected with the gas outlet of the hydrogen gas purifier; a CNG inlet pipeline is connected with the gas outlet of the CNG purifier; an HCNG outlet pipeline is connected with the gas inlet of the HCNG special diaphragm compressor set; and the gas outlet of the HCNG special diaphragm compressor set is connected with the filling and storing system. The CNG and HCNG mixing and refilling device and the CNG and HCNG mixing and refilling method can be widely applied to gas stations of HCNG cars and CNG cars.
Owner:TSINGHUA UNIV

Heat self-recycled offshore alloy hydrogen storage and hydrogen supply system and method

The invention relates to the technical field of hydrogen energy, in particular to a heat self-recycled offshore alloy hydrogen storage and hydrogen supply system and method. The supply system comprises an organic liquid storage tank, wherein a discharge port of the organic liquid storage tank is connected with a feed port of a preheater through a liquid conveying pipeline, and a discharge port ofthe preheater is connected with a feed port of a dehydrogenation reactor through a liquid conveying pipeline; and a discharge port of the dehydrogenation reactor is connected with a feed port of a gas-liquid separator, a gas outlet at the upper part of the gas-liquid separator is connected with a hydrogen purifier gas inlet through a gas transmission pipe, and a discharge port at the lower part ofthe gas-liquid separator is connected with a feed port of a heat exchanger through a liquid conveying pipeline. The supply method comprises the steps of preparing work, starting a circulating coolingunit, filling hydrogen and closing the supply system. According to the supply system and method, an underwater vehicle can be prevented from frequently returning to a specific port base for hydrogensupply, and the working efficiency of the underwater vehicle is improved.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)

Small-sized hydrogen methane fuel gas generation device for residents in villages and towns and using method

The invention relates to a small-sized hydrogen methane fuel gas generation device for residents in villages and towns, wherein a garbage crushing and conveying device is connected with a feed port of a hydrogen methane generator through a packing auger; the crushed garbage is subjected to anaerobic fermentation in the hydrogen methane generator; a one-way openable valve of an anaerobic methane generation chamber is arranged between an anaerobic hydrogen generation chamber and the anaerobic methane generation chamber; the gas outlet end of a nanoceramic coating rolling shaft which runs through the center of the hydrogen methane generator is connected with a hydrogen purifier and a methane purifier respectively; purified hydrogen and purified methane are controlled by a gas mixing valve to be mixed and then are conveyed to a hydrogen storage tank; the hydrogen methane generator is arranged on a pedestal; a gravity lifting device is arranged between the pedestal and the hydrogen methane generator; a 360-degree rotatable universal wheel is arranged at the lower part of the pedestal; and brackets are arranged on two sides of the pedestal and are respectively used for fixing the packing auger, the hydrogen purifier and the methane purifier. The invention further provides a method for preparing hydrogen methane fuel gas by using the hydrogen methane generation device.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

Hydrogen liquefaction system with hydrogen element detection function

The invention discloses a hydrogen liquefaction system with a hydrogen element detection function. An outlet of a gaseous hydrogen source communicates with an inlet of a heat exchanger through a hydrogen purifier. An outlet of the heat exchanger communicates with an inlet of an absorber. An outlet of the absorber communicates with an inlet of a first hydrogen ortho-para conversion reactor. An outlet of the first hydrogen ortho-para conversion reactor communicates with an inlet of a hydrogen cooling circulation system. An outlet of the hydrogen cooling circulation system communicates with an inlet of a second hydrogen ortho-para conversion reactor. An outlet of the second hydrogen ortho-para conversion reactor communicates with an inlet of a liquid hydrogen filling and delivery unit. The inlet of the heat exchanger, the outlet of the absorber, the outlet of the second hydrogen ortho-para conversion reactor and the liquid hydrogen filling and delivery unit are all connected with a hydrogen element detection and analysis module. The hydrogen liquefaction system with the hydrogen element detection function has the advantages that the liquid liquefaction efficiency is high, the investment cost is low, and the quality of liquid hydrogen is good.
Owner:ZHANGJIAGANG RES INST OF HYDROGEN ENERGY CO LTD

A hydrogen replenishment system and method for offshore alloy hydrogen storage and hydrogen supply using heat self-circulation

The invention relates to the technical field of hydrogen energy, in particular to a hydrogen replenishment system and method for offshore alloy hydrogen storage and hydrogen supply using heat self-circulation. The replenishment system of the present invention includes an organic liquid storage tank, the discharge port of the organic liquid storage tank is connected to the feed port of the preheater through the infusion pipeline, and the discharge port of the preheater is connected to the feed port of the dehydrogenation reactor through the transfusion pipeline The outlet of the dehydrogenation reactor is connected to the inlet of the gas-liquid separator, the gas outlet on the upper part of the gas-liquid separator is connected to the inlet of the hydrogen purifier through a gas pipeline, and the outlet on the lower part of the gas-liquid separator is connected through an infusion pipeline The feed port of the heat exchanger; the replenishment method of the present invention includes several steps of preparation work, start-up of the circulating cooling unit, hydrogen filling and closing of the replenishment system. The invention can prevent the underwater vehicle from frequently returning to a specific port base for hydrogen supply, and improves the working efficiency of the underwater vehicle.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
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