965results about "Gas generation devices" patented technology

In one embodiment, an anhydrous hydrogen fluoride generator vessel (also referred to herein as the “AHF generator vessel”) is provided. In several embodiments, an AHF generator vessel may include a container assembly, one or more shelves, and a center pipe assembly. The container assembly may include a lid assembly that may be removably coupled to the wall, and one or more feet. The center pipe assembly may include a base adapter, a center pipe, and a bottom adapter. In one embodiment, sodium bifluoride is loaded onto the one or more shelves which are positioned perpendicular to the center pipe and stacked upon one another. An external heat source may provide the heat to the vessel to thermally degrade the sodium bifluoride into HF and sodium fluoride (NaF). In various embodiments, the HF may be carried by a carrier gas out of the AHF generator vessel via the lid assembly.

A gas generator includes a housing, one or more first discharge ports provided in the housing and configured to discharge the combustion gas, one or more second discharge ports provided in the housing configured to discharge the combustion gas, and a closing member covering at least one of the one or more first discharge ports and at least one of the one or more second discharge ports together. The closing member includes a portion covering the at least one first discharge port and configured to rupture at a first rupture pressure and a portion covering the at least one second discharge port and configured to rupture at a second rupture pressure, and the closing member includes a breakage assisting portion configured to reduce a strength of the closing member at at least a boundary portion between the at least one first discharge port and the at least one second discharge port.

The invention discloses a filter, a gas generator and a vehicle, the filter comprises a filter body, the filter body comprises a plurality of filter layers arranged along the inside and outside direction, a plurality of flow guide holes are formed in the filter layers, and at least two flow guide holes have different flow guide directions for fluid. Therefore, the flowing direction of fluid is changed when the fluid flows through the filter body, the flowing path of the fluid in the filter is lengthened, the contact time of the fluid and the filter body is prolonged, the flowing speed of the fluid in the filter is slowed down, and the heat exchange efficiency between the fluid and the filter is improved; the change of the flowing direction is also beneficial to improving the filtering effect of the filter body on impurities in the fluid, and the safety and reliability of the filter are improved.

The invention provides an inert gas generation system, and relates to the technical field of industrial gas production. The inert gas generation system comprises the following modules: a gas pretreatment module, an intelligent separation module, a dynamic purification module, a pressure regulation and control module, a quality analysis module, a safety control module and an energy efficiency optimization module, and the gas pretreatment module is used for removing particulate matters through an electrostatic dust collection device by adopting a multi-stage gradient filtering algorithm based on ambient air input, adjusting humidity by combining a dew point control technology, forming a standardized gas source and generating a standard gas source. Through combination of a multi-stage gradient filtering algorithm and a dew point control technology, collaborative treatment of particulate matters and humidity is realized, stable gas source input is formed, the reliability of a subsequent processing link is improved, membrane separation parameters are dynamically predicted by applying a convolutional neural network model, and the permeation efficiency of a hollow fiber membrane stack is optimized.

An integrated system for converting hydrocarbons gases to solid carbon and hydrogen products includes a pyrolysis reactor comprising a bed of particulates disposed in a reactor vessel, a heating section in fluid communication with the pyrolysis reactor, a separator system in fluid communication with the pyrolysis reactor through the product gas outlet, and a heat exchanger configured to remove heat from the reaction product gases exiting the pyrolysis reactor. The bed of particulates comprises catalyst particles, solid carbon, and inert media. The heating section is configured to heat the inert media in a hot gas stream and lift the heated inert media to the top of the heating section to return the heated inert media through the top inert media inlet, and the separator system is configured to separate any particulates in a product gas produced in the pyrolysis reactor.

The invention discloses an out-tank charging hydrolysis hydrogen production device which comprises a water containing tank (1) and a hydrogen production reaction tank (2), the water containing tank (1) is connected with the hydrogen production reaction tank (2) through a water inlet pipe (3), and a material tank (4) connected with the hydrogen production reaction tank (2) is arranged above the hydrogen production reaction tank (2); a hydrogen purification tank (6) communicated with the hydrogen production reaction tank (2) through a pipeline A (5) is arranged on one side of the hydrogen production reaction tank (2), and a buffer airbag tank (11) connected with the hydrogen purification tank (6) through a vertical pipeline (7) is arranged above the hydrogen purification tank (6); and the vertical pipeline (7) is sequentially connected with a filter (9) and a dryer (10) through a horizontal pipeline (8) with a switch valve (36). The hydrogen production device has the advantages of being ingenious in structural design, practical and reliable, hydrogen can be rapidly and continuously produced, and the hydrogen production device can be used immediately after being produced and is high in safety.

The invention discloses a heat exchanger and method for rare gas preparation, and relates to the technical field of heat exchangers, the heat exchanger comprises a heat exchange mechanism, the outer surface wall of the heat exchange mechanism is sleeved with a cleaning structure, the input end of the heat exchange mechanism communicates with a feeding mechanism, and an aeration mechanism is inserted into the inner surface wall of the heat exchange mechanism. In the cleaning process, the second air pump conveys outside air to the aeration ball, so that a large number of bubbles are formed in cleaning liquid, dirt is cleaned by means of tiny shock waves and high-speed micro jet flow generated during bubble movement and breakage, and the ultrasonic generator can release sound wave energy; the synergistic effect of bubbles and sound waves greatly improves the cleaning efficiency and effect, enhances the stripping capacity of dirt on the inner wall of the heat exchanger, ensures that rare gas is not polluted in the heat exchange process, maintains the high purity of the rare gas, keeps the inner wall of the heat exchanger smooth, and improves the heat transfer efficiency, so that the cooling or heating speed of the rare gas is increased, and the service life of the heat exchanger is prolonged. The efficiency of the whole preparation process is improved.

The invention provides a device and a method for producing ammonium nitrate by taking air and water as raw materials. Compared with the prior art, the device is composed of the nitrogen generator, the plasma discharge device, the fixed bed reactor and the absorption tower, sliding arc discharge is adopted, the fixed bed reactor is heated through heat generated by discharge, NH3 and NOx are synthesized through nitrogen and water discharge, and the ammonium nitrate solution is finally obtained through oxidation absorption. According to the method, only air and water are used as raw materials, high-temperature and high-pressure reaction conditions in the industrial ammonium nitrate synthesis process are avoided, the synthesis process driven only by renewable energy sources is realized, and the method can be applied to the scenes of distributed energy storage, small-scale production of agricultural nitrogen fertilizers and the like.

The gas generating device comprises a cup body, a stock bin and a filtering bin, a reaction bin is formed in the cup body and connected with the filtering bin through an exhaust channel, and the filtering bin is provided with an exhaust port; the stock bin is detachably connected to the upper portion of the cup body, a material opening is formed in the lower end of the stock bin, and a feeding device is arranged and used for conveying a material B in the stock bin into the reaction bin through the material opening. The gas generating device provided by the invention is convenient to operate and controllable in gas pressure.

The invention relates to a VOCs gas generation device with stable concentration. The VOCs gas generation device comprises a sample injection assembly, a gas source assembly, a gasification assembly, a pressure control assembly and a mixer. The sample injection assembly comprises a precise injection pump, a micro-injection needle and a capillary injection pipeline. The gasification assembly comprises a shell, a quartz liner tube, a heater and a quartz capillary column. The VOCs solution is gasified in the quartz liner tube and diluted for the first time. And the VOCs gas is diluted for the second time in the mixer. The pressure control assembly comprises a pressure stabilizing valve and a needle valve. The pressure stabilizing valve is used for adjusting the flow of diluent gas released by the diluent gas source flowing into the quartz liner tube and stabilizing the pressure of the gas flowing into the quartz capillary column. The needle valve is used for adjusting the flow of gas flowing out of the flow dividing opening, and then the flow of gas flowing into the quartz capillary column in the quartz liner tube is adjusted. According to the invention, from three directions of a liquid source, a gas source and a gasification process, the defects of non-uniform gasification, unstable gasification process, easy pulsation and discontinuous liquid gasification of the existing dynamic generator method are overcome.

The invention aims to provide a solid hydrogen storage hydrogen closed cycle hydrogen source generator for an underwater vehicle, which belongs to the field of dehydrogenation devices and comprises a reactor, a pressure stabilizing common rail pipe, a hydrogen storage material delivery pump, a solid hydrogen storage material storage unit, a solid hydrogen storage material spraying device, a product collecting device and a hydrogen storage unit. The hydrogen storage material conveying pump is connected with the pressure stabilizing common rail pipe, the solid hydrogen storage material storage unit and the solid hydrogen storage material spraying device, the hydrogen storage unit is connected with the pressure stabilizing common rail pipe, and the reactor is connected with the hydrogen storage unit. The solid hydrogen storage material is used for releasing hydrogen, one part of hydrogen is conveyed to the fuel cell to react for power output of the underwater vehicle, the other part of circulating hydrogen assists the hydrogen storage material in injection, and an underwater closed circulation mode suitable for the underwater vehicle is achieved. The solid hydrogen storage material conveying module and the circulating hydrogen supply module are matched, and rapid mixing of the solid hydrogen storage material and hydrogen and large-flow injection of the solid hydrogen storage material are achieved.

According to the hydrogen-electricity conversion system based on the solid-state hydrogen storage material, in the system, a hydrogen release tank is a packaging unit for packaging the solid-state hydrogen storage material, a liquid-phase buffer tank contains water, the liquid-phase buffer tank is connected with the hydrogen release tank, and the solid-state hydrogen storage material is stored in the liquid-phase buffer tank. The water adding pump is connected with the liquid-phase buffer tank so as to inject water in the liquid-phase buffer tank into the hydrogen release tank to complete a hydrolysis reaction to generate hydrogen; the washing gas is connected with the hydrogen release tank so as to remove impurities from small solid particles and part of water vapor in the hydrogen; the hydrogen cooler is connected with the scrubber tank to cool the hydrogen; the water separator is connected with the hydrogen cooler so as to separate water vapor in the hydrogen; a fuel cell system is connected to the water separator to generate power based on the hydrogen. The system is stable in reaction and high in safety.

The invention discloses a system for on-line conversion of a sodium source into heat energy and hydrogen, which is characterized in that a pipe orifice of a sodium injection pipe is arranged at the upper end of a reactor, a sodium reaction baffle is arranged below the pipe orifice, a sodium hydroxide solution channel is arranged on the sodium reaction baffle, or a sodium hydroxide solution channel is arranged between the sodium reaction baffle and the side wall of the reactor. The speed of the input water vapor is controlled, so that the concentration of the water vapor in the reactor is maintained in a relatively low range, and the highest temperature in the reactor is controlled to be less than 300 DEG C by adjusting the sodium injection one-way valve or / and adjusting the water vapor injection one-way valve or / and adjusting the heat exchange amount of the condenser, so that sodium combustion caused by over-high temperature is avoided; corrosion of high-temperature substances to equipment is effectively relieved; the arranged sodium reaction baffle can enable a sodium hydroxide solution coating layer with high density and low viscosity to be separated from sodium, so that the surface of the sodium is exposed, rapid oxidation of the sodium and low-concentration water vapor is realized, and relatively high productivity efficiency is maintained.

The present invention discloses a solid-state source gasification device, comprising a housing and one or more trays, a top cover is provided on the top of the housing. A gas inlet and a gas outlet are provided on the top cover. The trays are vertically stacked in the housing. A carrier gas pipe is provided in the housing. An upper end of the carrier gas pipe is connected to the gas inlet. The carrier gas pipe penetrates through the trays, and extends into the bottommost-layer tray. One or more carrier gas outlets are formed in the carrier gas pipe. The carrier gas outlets are formed in a space of the bottommost-layer tray or formed in a space of the bottommost-layer tray and the rest trays. Except for the bottommost-layer tray, the rest trays are each provided with one or more gas conduits. The solid-state source gasification device of the present invention adopts a parallel gas transmission channel, whereby the carrier gas, after entering the carrier gas pipe from the gas inlet, can enter into each tray separately, and can be transmitted horizontally in each tray along the surface of the solid-state source material for a longer distance before reaching gas conduit, and thus a large amount of gasification gas can be carried in the carrier gas to enhance the overall gasification efficiency of the solid-state source gasification device.

The invention discloses an ammonia-hydrogen fuel cell system capable of being quickly started. The ammonia-hydrogen fuel cell system comprises a hydrogen bottle, an ammonia bottle, a self-heating ammonia decomposition reactor, a heat exchanger, an adsorption system, a fuel cell and a combustor, the ammonia gas bottle is communicated with an ammonia gas inlet of the self-heating ammonia decomposition reactor, and an ammonia gas control valve is arranged between the ammonia gas bottle and the self-heating ammonia decomposition reactor; a decomposed gas outlet of the self-heating ammonia decomposition reactor is sequentially communicated with the heat exchanger and the adsorption system, and the adsorption system is communicated with a fuel inlet of the fuel cell; the hydrogen cylinder is communicated with a fuel inlet of the fuel cell, and a hydrogen control valve is arranged between the hydrogen cylinder and the fuel inlet of the fuel cell; and the combustor is arranged close to the self-heating ammonia decomposition reactor. The ammonia hydrogen fuel cell system capable of being quickly started is simple in structure, small in size, small in equipped lithium electric capacity, quick in starting time, low in cost and very suitable for mobile standby power supplies and vehicle-mounted application scenes.

The tubular reactor provided by the invention comprises a reactor body, the tube body assembly is located in the reactor body and comprises a tube nest and a sleeve which are arranged in a matched mode, the tube nest is used for installing an oxygen carrier, the sleeve is arranged on the tube nest in a sleeving mode, and open holes are formed in the tube nest; the sealing assembly comprises a first sealing structure and a second sealing structure; the first sealing structure and the second sealing structure are arranged in the reactor body and are in sealing connection with the inner side wall of the corresponding position of the reactor body; the tube nest and the sleeve respectively penetrate through the first sealing structure and the second sealing structure; a gas inlet and a gas outlet are respectively formed in two ends of the reactor body, two ends of the tube nest are respectively communicated with the gas inlet and the gas outlet, and the top end of the sleeve is communicated with the gas outlet device; a liquid inlet and a liquid outlet are further formed in the side surfaces of the two ends of the reactor body and are positioned between the first sealing structure and the second sealing structure. The direct heat exchange between a coolant and an oxygen carrier can be avoided, so that the influence on the temperature of the oxygen carrier is reduced.

The invention relates to the technical field of hydrogen production, in particular to an efficient hydrogen leakage explosion meter and rapid emptying linkage system and an emergency treatment method. Comprising a hydrogen concentration detection module, a data processing module, a rapid emptying device, an emergency processing module and a communication module, the hydrogen concentration detection module is used for collecting hydrogen concentration data in the surrounding environment of the hydrogen production equipment in real time and transmitting the collected data to the data processing module; the data processing module receives the data transmitted by the hydrogen concentration detection module, analyzes and processes the data based on a preset algorithm, and judges whether hydrogen leakage occurs or not and the leakage level; the quick emptying device is in communication connection with the data processing module, and when the data processing module judges that hydrogen leakage occurs, corresponding emptying operation is executed according to the leakage level; according to the invention, the timeliness, accuracy and safety of hydrogen leakage detection and processing can be improved.

The disclosure concerns a process to perform reverse water-gas shift reaction with production of carbon monoxide, comprising the steps of (a) providing a CO2-and-hydrogen donor containing feedstock, and at least one fluidized bed reactor comprising at least two electrodes and a bed comprising particles; (b) putting the particles of the bed in a fluidized state; (c) heating the fluidized bed to a temperature ranging from 500° C. to 1000° C.; the process is such that the particles comprise electrically conductive particles and particles of a catalytic composition, wherein at least 10 wt. % of the particles are electrically conductive particles and have a resistivity ranging from 0.001 Ohm·cm to 500 Ohm·cm at 700° C.; wherein the catalytic composition comprises metallic compounds; and in that CA the step c) of heating the fluidized bed is performed by passing an electric current through the fluidized bed.

The invention discloses a system and a method for preparing low-carbon olefin through carbon dioxide adsorption and in-situ oxidative dehydrogenation. The invention provides a system and a method for integrating carbon dioxide capture and in-situ oxidation low-carbon alkane (ethane / propane) dehydrogenation, a bifunctional material is composed of an adsorbent and a catalyst, and capture of carbon dioxide and in-situ oxidation low-carbon alkane dehydrogenation can be realized in the same reaction tower, so that the highest one-way carbon dioxide conversion rate can reach 100%, and the conversion rate of carbon dioxide can reach 100%. And meanwhile, the ethylene yield reaches 26%. According to the method, the problems of additional product separation and product gas recycling caused by low carbon dioxide conversion efficiency in the prior art are avoided, and effective heat management is realized, so that the process of integrating carbon dioxide capture and preparing low-carbon olefin by oxidizing low-carbon alkane has more economic advantages.

A gas generator includes an igniter, a gas generating agent that generates a combustion gas by being combusted, a housing that accommodates the igniter and the gas generating agent inside the housing, the housing including an inner surface, a gas discharge port penetrating through the housing from an inside to an outside of the housing, the gas discharge port including a chamfered region in which a corner portion of an opening of the gas discharge port on the inner surface is removed over an entire circumference of the opening, and a seal attached to the inner surface of the housing, closes, before the actuation of the igniter, the gas discharge port by covering the opening of the gas discharge port on the inner surface of the housing, and opens the gas discharge port by being ruptured due to reception of a pressure of the combustion gas.

The invention relates to the technical field of methanol-to-hydrogen equipment, in particular to a miniaturized methanol-to-hydrogen device. The contact uniformity of the granular catalyst with methanol and water vapor can be improved, the methanol cracking hydrogen production effect is improved, the granular catalyst is effectively prevented from hardening, and the hydrogen production efficiency is improved; comprising a reaction tank, a vaporizer and a circulating catalytic reactor, the vaporizer and the circulating catalytic reactor are both installed in the reaction tank, and the circulating catalytic reactor comprises a conical reaction shell fixedly installed in the reaction tank, a plurality of first spiral conveyors, a pneumatic driving part and a plurality of transmission assemblies; the pneumatic driving part comprises a mounting frame fixedly mounted in the reaction tank, an axial flow impeller rotationally mounted on the mounting frame and a bevel gear disc fixedly mounted at the top of the axial flow impeller; the transmission assembly comprises a right-angle speed reducer fixedly mounted outside the reaction tank, and a radial shaft and a universal shaft which are rotationally mounted on the mounting frame; and one end of the radial shaft is provided with a bevel gear meshed with the bevel gear disc.

The ammonia hydrogen power generation system comprises a sewage decomposition mechanism, a combustion mechanism, an ammonia decomposition reactor, a first water cooler, a second water cooler, an evaporator, a water circulation mechanism, a power generation mechanism, an ammonia tank and a flue gas treatment mechanism, and the sewage decomposition mechanism is connected with the combustion mechanism; the combustion mechanism is communicated with the ammonia decomposition reactor; the ammonia tank is sequentially communicated with the evaporator and the ammonia decomposition reactor; a decomposed gas outlet of the ammonia decomposition reactor is sequentially communicated with a first water cooler and a power generation mechanism; a flue gas outlet of the ammonia decomposition reactor is sequentially connected with a second water cooler and a flue gas treatment mechanism; the water circulation mechanism comprises a first water tank and a circulation water tank which are communicated, and the water circulation mechanism is communicated with the sewage decomposition mechanism; the circulating water tank, the first water cooler, the second water cooler and the evaporator are communicated in series. According to the ammonia hydrogen power generation system applying biogas to supply heat, the effective utilization rate of energy, the ammonia decomposition efficiency and the power generation capacity are improved, and the ammonia decomposition starting step is simplified.

Carbonaceous material and / or hydrogen may be generated using systems and methods provided herein.

In a hybrid inflator, a housing houses a gas generator to generate a combustion gas in a housing recessed portion on a bottom portion side. A lid body provided at an outflow port of the housing and a lid body provided at a sealed portion side of a pressurized gas in a bottle in a gas discharge port portion separate the sealed portion of the pressurized gas in the bottle from outside. When the hybrid inflator is activated, the two lid bodies are broken by generation of the combustion gas from the gas generator, and whereby the pressurized gas is discharged from a discharge port of the gas discharge port portion. The gas generator is detachably assembled to the housing with respect to the housing recessed portion of the housing.

A semiconductor low-temperature elemental mercury generator is provided, and includes a gas source and a mercury pool generating chamber, the gas source is communicated with a carrier gas pipeline and a dilution gas pipeline. The mercury pool generating chamber includes a semiconductor refrigeration device, a gas mixing device and a coil, the coil is kept at a constant temperature through the semiconductor refrigeration device, the carrier gas pipeline is communicated with the coil, and the gas mixing device is communicated with a gas outlet of the coil and the dilution gas pipeline. The semiconductor low-temperature elemental mercury generator has the advantages of simple operation and accurate mercury standard gas concentration.

The present invention relates to reactors and reactor components which have good resistance to NH3 and N2 and possibly to H2O at high temperatures and moderate pressures and thus can be used in industrial-scale reactions for the catalytic decomposition of NH3 into N2 and H2.

A raw material gas supply system for supplying a raw material gas generated by vaporizing a solid raw material to a processing apparatus, includes a vaporization device configured to vaporize the solid raw material to generate the raw material gas, a delivery mechanism configured to deliver a dispersion containing the solid raw material dispersed in a liquid from a storage container storing the dispersion to the vaporization device, and a separation mechanism configured to separate the solid raw material from the dispersion in the vaporization device.

The invention discloses a high-temperature energy storage and air separation system and method for s-CO2 cycle power generation under oxygen-enriched combustion. The high-temperature energy storage and air separation system comprises a heat storage and release and air separation subsystem and a cycle power generation subsystem. The heat storage and release and air separation subsystem comprises a heat storage reactor, a heat exchanger, an oxygen storage tank, a nitrogen storage tank and a heat exchange and storage tank; the cycle power generation subsystem comprises an oxygen-enriched combustion unit and a supercritical CO2 Brayton cycle power generation unit; the oxygen-enriched combustion unit comprises an oxygen storage tank, a combustion chamber, a denitration device, a dust remover, a desulfurization device, a compression purification device and a CO2 trapping device; the supercritical CO2 Brayton cycle power generation unit comprises a turbine unit, a heat regenerator, a power generator, a condenser and a compressor; according to the invention, a novel heat and energy storage and air separation technology is matched with a supercritical CO2 cycle power generation system under oxygen-enriched combustion, and a power generation system design scheme capable of realizing oxygen self-supply, CO2 separation and high system efficiency is formed.

In the present invention, a gas generator (1A) comprises at least: a housing in which an internal space is partitioned into a gas generating agent storage chamber (S1) and a filter chamber; and a gas generating agent (60), an auto-ignition agent (61), and a coil spring (70) stored in the gas generating agent storage chamber (S1). The coil spring (70) has a first pressing part (72a) positioned on the gas generating agent (60) side, a second pressing part (72b) positioned on the auto-ignition agent (61) side, and a spring part (71) positioned between the first pressing part (72a) and the second pressing part (72b). The first pressing part (72a) and the second pressing part (72b) are configured to form a plate-form configuration as a whole. When viewed along the axial direction, the outer profile of the second pressing part (72b) is larger than that of the auto-ignition agent (61), and the spring part (71) includes a constricted part (73) having a smaller outer profile than that of the first pressing part (72a) and the second pressing part (72b).

The invention discloses a low-temperature low-pressure synthesis ammonia tower and a coupling fuel cell renewable energy flexible synthesis ammonia system, the synthesis ammonia tower comprises a reactor outer cylinder, a catalyst frame is sleeved in the reactor outer cylinder, a catalyst bed layer, a heat exchange tube bundle and a spiral baffle plate are arranged in the catalyst frame, the heat exchange tube bundle passes through the spiral baffle plate, and the spiral baffle plate passes through the reactor outer cylinder. The catalyst bed layer is arranged on the spiral baffle plate; raw material gas enters the catalyst frame and is subjected to ammonia synthesis reaction in the axial and radial directions of the catalyst frame under the action of the spiral baffle plates; high-pressure water in the heat exchange tube bundle absorbs reaction heat from the catalyst frame to generate phase change, and after high-pressure steam is generated, the high-pressure steam is discharged from the steam tube. The design of the spiral baffle plate in the synthesis ammonia tower can guide the raw material gas to form a more complex flow path in the catalyst frame, so that the gas can pass through the catalyst bed layer more uniformly, the contact efficiency of the gas and the catalyst is improved, the retention time of the gas in the catalyst bed layer is prolonged, and the service life of the gas is prolonged. Therefore, the conversion rate and the efficiency of the ammonia synthesis reaction can be improved.