372results about "Gas generation devices" patented technology

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.

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.

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 relates to the technical field of energy systems, in particular to a methane gradient utilization system based on SOFC (solid oxide fuel cell) and copper chloride circulation, comprising a methane reforming and SOFC power generation unit for converting methane fuel into electric energy and combusting anode tail gas to generate high-temperature flue gas; the copper-chlorine circulating hydrogen production unit is connected with a high-temperature flue gas pipeline of the methane reforming and SOFC power generation unit, heat energy of the high-temperature flue gas is used for driving a copper-chlorine thermochemical circulating reaction, and hydrogen is prepared by taking water as a raw material; and the waste heat power generation and recovery unit is connected with a cathode tail gas pipeline of the methane reforming and SOFC power generation unit and a tail gas outlet pipeline of the copper chloride circulation hydrogen production unit, and is used for carrying out power generation and heat supply on waste heat in a cascade recovery system. According to the system, grade alignment and gradient utilization of energy are achieved, high-temperature waste gas of the SOFC system is sequentially used for driving copper-chlorine hydrogen production, ORC power generation and hot water supply, and the comprehensive utilization efficiency of energy is remarkably improved.

The utility model relates to the technical field of chlorine dioxide equipment, in particular to a chlorine dioxide generating device which comprises a reaction tank, a first accommodating part, a second accommodating part, a liquid level sensor and a controller, the first accommodating part and the second accommodating part convey corresponding solutions to the reaction tank; the liquid level sensor measures the liquid levels of solutions in the first containing part and the second containing part in real time and sends the liquid levels to the controller in real time; the controller receives data of the liquid level sensor and judges whether the hydrochloric acid solution and the sodium chlorate solution are conveyed normally or not according to a preset threshold value or a proportional relation, and when the controller detects that the liquid level data are abnormal, the controller can control the alarm unit to send out an alarm signal, so that workers are reminded to debug, maintain or replace equipment; the liquid level of hydrochloric acid and sodium chlorate solutions is monitored in real time through the liquid level sensor, problems are found in time, accurate conveying of hydrochloric acid and sodium chlorate is ensured, the synthesis efficiency of chlorine dioxide is improved, and raw material waste caused by unbalanced conveying proportion is reduced.

The invention discloses an integral reactor for ammonia synthesis, and relates to the technical field of ammonia synthesis equipment. The reactor comprises catalyst layers, heat exchange layers and interlayer sealing structures, wherein the catalyst layers and the heat exchange layers are alternately stacked. The catalyst layer adopts a honeycomb integral ruthenium-based catalyst with porosity greater than or equal to 70%, the cross section of a pore channel is a regular hexagon, and the diameter is 1-5mm; the heat exchange layer is provided with a matched pore channel structure and is made of a metal material with the heat conductivity coefficient larger than or equal to 16 W / (m.K), and a corrugated micro-channel network is arranged in the heat exchange layer. And the interlayer sealing structure comprises a nickel foil gasket and an annular hoop. Fresh feed gas enters from the first gas inlet of the heat exchange layer for preheating and enters the catalyst layer for reaction through the first gas outlet, a reaction product is cooled through the adjacent heat exchange layer and then is discharged through the second gas outlet, and reaction-heat exchange deep coupling is achieved. The catalyst utilization rate is increased to 85% or above, the axial temperature difference of the bed is smaller than or equal to 15 DEG C, the radial temperature difference is smaller than or equal to 10 DEG C, the flow fluctuation response time is shortened to be within 10 minutes, the energy consumption is reduced by 12% under the low-pressure condition of 3-5 MPa, and the method is particularly suitable for distributed green ammonia production.

A method of safely mixing a hydrocarbon with an oxidant is provided. The hydrocarbon and oxidant are saturated with a non-flammable liquid in pre-mix zones that are flooded with the non-flammable liquid and fluidly connected to a common mixing zone that is partially flooded with the non-flammable liquid. The saturated hydrocarbon and oxidant combine within the common mixing zone forming bubbles of a homogeneous gas mixture of hydrocarbon and oxidant, preferably in a ratio of hydrocarbon to oxidant that is outside of the flammability limit, that can exit the non-flammable liquid into a headspace where it can be retrieved for use in an oxidative reaction process such as oxidative dehydrogenation.

A mixed gas that is composed of a component gas and a carrier gas is efficiently supplied with a compact device configuration. A mixed gas supply device (1A, 1B) includes: an evaporator (10) that heats a liquid component and the carrier gas to generate the mixed gas that is composed of the carrier gas and the component gas obtained by vaporizing the liquid component; and a cooler (30) that cools the mixed gas generated in the evaporator (10) and to supply a mixed gas that is composed of the carrier gas and the component gas whose supersaturated part is condensed and separated. The evaporator (10) includes a shell-and-tube-type heating mechanism. In a shell (11) of the evaporator (10), a carrier gas tube (16, 17) that has holes (16H, 17H) for bubbling of the carrier gas opened at multiple locations extends in the horizontal direction. A liquid component supply port (20) is provided at a lower portion of the shell (11) of the evaporator (10). A discharge port (23) that discharges the mixed gas that is composed of the carrier gas and the component gas obtained by vaporizing the liquid component is provided at an upper portion of the shell (11) of the evaporator (10). A lower portion of the cooler (30) is connected to the discharge port (23) of the evaporator (10) via a pipe (31).

The present application provides a technology for improving the pressure resistance of an igniter assembly. The igniter assembly includes an igniter body having an ignition portion filled with a primer and a conductive portion extending from the ignition portion; an igniter collar having a cylindrical wall portion surrounding at least the conductive portion of the igniter body; and a resin molded body sandwiched between the igniter body and the igniter collar to integrate the igniter body and the igniter collar. The igniter collar has a first support portion provided at an inner circumferential portion of the wall portion and formed in a convex shape toward the radial inner side of the wall portion in a manner of being buried in the resin molded body, and a second support portion provided at a position in the inner circumferential portion further away from the ignition portion than the first support portion in the direction of the central axis of the wall portion and formed in a convex shape toward the radial inner side of the wall portion in a manner of being buried in the resin molded body, or formed in a concave shape toward the radial outer side of the wall portion in a manner of filling the resin molded body inside the second support portion.

To provide a gas generator which can reduce output loss of an igniter and can be reduced in size and weight thereof compared to a conventional one.SOLUTION: A gas generator 100 comprises a gas container 10, a tubular member 30, and an igniter 40. The tubular member 30 is a member curving into a substantially L shape, and has a substantially L-shaped passage 31 therein. The tubular member 30 has one end provided adjacent to a mouth 13 and the other end provided with the igniter 40, and a piston body part 32 and a sharp part 33 that constitute a piston in the passage 31, is provided between the one end and the other end. An end part 32a of the piston body part 32 at least on the igniter 40 side functions as a closing member which closes the passage 31 in an initial state, and is integrated with the piston body part 32. During operation, the end part 32a slides and moves to the mouth 13 side together with the piston body part 32, causes the sharp part 33 to collide with an encapsulation part 14, breaks the encapsulation part 14, and discharges a gas from the mouth 13.SELECTED DRAWING: Figure 2

The invention discloses a pyrolysis gas-assisted thermochemical cycle hydrogen production test system and an operation method. The test system comprises a steam system, a gas path system, a reaction system and a separation detection system. The reaction system adopts a first reaction system and a second reaction system which are arranged in parallel and can alternately carry out reduction and oxidation reactions. And the gas path system can selectively introduce pyrolysis gas or nitrogen into the reaction system through valve switching. According to the operation method, by optimizing water vapor oxidation conditions, an air oxidation stage in a traditional process is omitted, and energy consumption is reduced; and nitrogen purging is adopted during switching of the reaction stages, so that the explosion risk is thoroughly eliminated, and the safety is guaranteed. According to the invention, continuous, efficient and safe circulating hydrogen production is realized, and a reliable scheme is provided for industrial application.

The utility model relates to the field of chemical oxygen generation and heat insulation, in particular to an onboard chemical oxygen generator with a heat insulation structure, which comprises a starting mechanism, a starting base detachably connected with the lower end of the starting mechanism, an upper connecting piece, a lower connecting piece and a heat insulation structure, the inner circumferential surface of the top end of the inner tank body is fixed with the outer circumferential surface of the lower end of the upper connecting piece; the upper end of the outer circumferential surface of the lower connecting piece is fixed with the inner circumferential surface of the bottom end of the inner tank body; due to the fact that the outer tank body is adopted and the annular space is formed between the outer tank body and the inner tank body, the problem that the temperature of the outer surface of the inner tank body is too high due to the fact that heat is generated in the inner tank body is effectively solved, and the temperature of the outer tank body meets the standard due to the fact that the static air layer in the annular space between the inner tank body and the outer tank body is low in heat conductivity. Meanwhile, air heat insulation is adopted in the annulus, so that the overall weight is reduced, and the requirement of light-weight products is met.

An ejection device (100) for a gas generator, the ejection device (100) for ejecting a combustion product, comprising: a detonator (101) with an ignition charge and an ignition area (102) designed to burn the ignition charge; a pyrotechnic device (121) arranged to be burned by burning the ignition charge; a cup (104) made of metal, wherein the cup (104) has a base (107) and a peripheral wall (105), wherein the bottom surface (107) is arranged opposite the ignition area (102), the peripheral wall (105) adjoins a peripheral edge of the bottom surface (107) and is arranged to surround the ignition area (102), wherein the cup (104) further comprises a receiving space (120) which is defined by the peripheral wall (105) and the floor area (107) is formed and receives the pyrotechnic agent (121), wherein the bottom surface (107) of the cup (104) contains a through-hole (108) through which the receiving chamber (120) and an exterior area of ​​the cup (104) are connected, wherein the through-hole (108) is formed by several peripheral through-hole edges (108a, 108b, 108c, 108d), and the adjacent peripheral through-hole edges (108a, 108b, 108c, 108d) are connected to each other at a predetermined connection point, the through-bore (108) contains a narrow part (115) in which the width of the through-bore (108), formed by each of parts of the two peripheral through-bore edges (108a, 108b, 108c, 108d) of the several peripheral through-bore edges (108a, 108b, 108c, 108d), gradually decreases with increasing distance from a center of the bottom surface (107) to the peripheral edge of the bottom surface (107), and the narrow part (115) is closer to the peripheral edge of the bottom surface (107) than a non-narrow part (125) formed by each of the other parts of the two peripheral through-bore edges (108a, 108b, 108c, 108d), and the narrow part (115) is a predetermined part in which stress due to the emission of the combustion product is concentrated, and the bottom surface (107) is designed to be split starting from the narrow part (115), and the peripheral wall (105) is designed to be split.

The utility model relates to the technical field of hydrogen production and hydrogenation, in particular to a movable hydrogen production and hydrogenation integrated system which comprises a raw material storage device, a reforming device, a condensing device, a hydrogen purification device, a compression device, a hydrogen storage device, a hydrogenation device and an electric control device. The hydrogen production and hydrogenation integrated system disclosed by the utility model can realize the purposes of high-efficiency hydrogen production and hydrogenation.

The utility model discloses a hydrogen sulfide synthesis skid-mounted system which comprises a liquid sulfur transfer module, a hydrogen sulfide synthesis module, a product gas pretreatment module, a product gas purification module, a tail gas treatment module and a public engineering module, the liquid sulfur transfer module, the hydrogen sulfide synthesis module, the product gas pretreatment module, the product gas purification module and the tail gas treatment module are sequentially communicated, and the product gas pretreatment module and the product gas purification module are both communicated with the liquid sulfur transfer module. According to the hydrogen sulfide synthesis skid-mounted system disclosed by the utility model, each functional component is modularized, the size of each module is configured in a coordinated manner and meets the transportation condition, corresponding process pipelines, instrument components, cables and the like can be prefabricated and mounted when leaving a factory, and debugging work can be carried out only by simple assembly and construction on a construction site; the workload of a construction site is greatly reduced, waste of installation materials is effectively reduced, and the device has the advantages of being small in occupied area, low in construction cost and the like.

The descaling filter comprises an outer cylinder and an inner cylinder, the outer cylinder is provided with a first cylinder cavity, a first inlet used for being connected with a settling tank and a first outlet used for being connected with a black water delivery pump, the inner cylinder is arranged on the outer cylinder in a penetrating mode, the side wall of the inner cylinder is provided with a plurality of filter holes arranged in a penetrating mode, and the filter holes are communicated with the first cylinder cavity. The inner cylinder is provided with a second cylinder cavity, the first inlet is communicated with the second cylinder cavity, and the first outlet is communicated with the first cylinder cavity. The descaling filter disclosed by the embodiment of the utility model can be used for removing blocky scale pieces with larger volume in black water, preventing the blocky scale pieces from blocking the black water delivery pump, and ensuring the stable operation of the black water delivery pump, so that the operation stability of a gasification device is improved.

A gas generator (1A) is provided with a metal case body (10), a holder assembly (20), and an igniter (40). The holder assembly (20) has a metal first holder (20A) that holds the base (41) of the igniter (40), and a resin second holder (20B) that accommodates the ignition part (41) of the igniter (40). The first holder (20A) is sandwiched between a first caulking section (11) and a second caulking section (12) provided in the housing main body (10), and is fixed to the housing main body (10). The first caulking portion (11) is covered by a second trunk portion (23) of the second holder (20B) and is in pressure contact with the second trunk portion (23). The second holder (20B) further has a cover section (26) that separates the gas-generating agent (60) from the ignition section (42), and the cover section (26) is disposed at a distance from the ignition section (42).

Disclosed in the present invention is a system for online conversion of a sodium source into heat energy and hydrogen. A pipe orifice of a sodium injection pipe is arranged in the upper end of a reactor, a sodium reaction baffle is arranged below the pipe orifice, and 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 a side wall of the reactor. The speed of input water vapor is controlled, so as to maintain the concentration of the water vapor in the reactor within a relatively low range, and the highest temperature in the reactor is controlled to be less than 300ºC by adjusting a sodium injection one-way valve or / and adjusting a water vapor injection one-way valve or / and adjusting the heat exchange amount of a condenser, such that sodium combustion caused by an overly-high temperature is avoided, and corrosion to a device caused by high-temperature substances is effectively relieved. The arranged sodium reaction baffle can enable a sodium hydroxide solution coating layer having a high density and a low viscosity to be separated from sodium, such that the surface of sodium is exposed, thereby realizing rapid oxidation of sodium and low-concentration water vapor and maintaining a relatively high level of efficiency in terms of productivity.

The invention discloses a high-purity disilane production system and a high-purity disilane production method. The system comprises a reactor (100), a primary gas-solid separator (200), supercharging equipment (300), a secondary gas-solid separator (400), a gas separation membrane assembly (500), a light component removal tower (600) and a product tower (700) which are sequentially connected through pipelines. The core of the invention lies in that a two-stage gas-solid separation structure is adopted to effectively solve the contradiction between the low-pressure operation of the reactor and the high-pressure feeding of the membrane module, and core equipment is fully protected; meanwhile, a mixed matrix molecular sieve membrane is arranged in the gas separation membrane assembly, and screening of hydrogen and monosilane molecules can be efficiently achieved, so that the reaction byproduct hydrogen is removed through a one-step method. According to the method, monosilane is taken as a raw material, after reaction synthesis, primary dust removal, pressurization, fine dust removal, membrane-method dehydrogenation and rectification separation are sequentially carried out on a product, a high-purity disilane product is finally obtained, and unreacted monosilane is returned to a system for cyclic utilization.

The utility model provides a heat accumulating type high-temperature air continuous generating device, and particularly relates to the technical field of high-temperature gas generating equipment. The generating device comprises a shell, a door stop mechanism, a heat accumulator assembly, an electric push rod and a fixed bottom plate, the electric push rod is adjusted to stretch out and draw back to drive the door stop mechanism to ascend and descend, and the door stop mechanism is matched with the upper door hole plate and the lower door hole plate to achieve communication or disconnection between the high-temperature smoke inlet channel and the high-temperature air outlet channel and between the low-temperature smoke outlet channel and the low-temperature air inlet channel and the heat accumulator assembly. The device is simple in structure and reasonable in design, regular alternation of the high-temperature flue gas inlet and the high-temperature air outlet is not needed, in the using process, the high-temperature flue gas inlet and the high-temperature air outlet are fixed, regular exchange of the heat storage process and the heat release process only occurs in the device, and the device is more convenient.

The utility model discloses a methanol reforming hydrogen production device based on solar energy and tail gas utilization, which relates to the field of new energy utilization and chemical production and comprises a solar heat collector and a methanol reforming reactor. The solar heat collector comprises a groove type paraboloid collecting lens, sunlight irradiates the collecting lens and is reflected to a focus point, and the methanol reforming reactor is located at the light reflection focus point of the groove type paraboloid collecting lens; the methanol reforming reactor comprises an aluminum alloy pipe, a tail gas flow pipe, a methanol reforming pipe, a gas inlet pipe and a gas outlet pipe; the tail gas flow pipe is nested in the aluminum alloy pipe, a plurality of methanol reforming pipes are distributed in an interlayer between the tail gas flow pipe and the aluminum alloy pipe, and the gas inlet pipe and the gas outlet pipe are communicated with all methanol reforming pipes; the aluminum alloy pipe absorbs heat generated by sunlight, and the tail gas flow pipe absorbs waste heat of tail gas circulating in the tail gas flow pipe to jointly supply heat to the methanol reforming pipe; methanol steam enters the methanol reforming pipe from the gas inlet pipe, reacts in the methanol reforming pipe to generate hydrogen-rich reforming gas, and is discharged from the gas outlet pipe.

The present disclosure provides a method and apparatus for producing hydrogen. The method includes: (a) contacting a plastic with a catalyst and a gas feed; and (b) applying microwaves at a first temperature. The apparatus includes a reactor for mixing the plastic with the catalyst to form a mixture; an inlet for introducing the gas feed; a microwave generator; an optional temperature sensor; and an outlet configured to vent product hydrogen formed in the reactor.

Disclosed herein are devices, systems, and methods that use aluminum activated with a liquid metal catalyst stored in one or more shipping containers or shipping container-like boxes to generate hydrogen and, if necessary, induce heat. Methods, systems, and devices are provided that are suitable for the use of alternative, carbon-neutral fuels that are energy-dense, safe, and easily transportable. Enabling the transportation of renewable energy is key to making the renewable energy transition more feasible and effective.

An active catalyst for ammonia synthesis is provided that is integrated in a composition or complex with a dedicated sorbent such that the catalyst portion and sorbent portion are in direct intimate contact, which overcomes the thermodynamic limits for conversion. The sorbent may include a metal halide absorbent, zeolite absorbent, other material absorbent or absorbent to capture ammonia in close molecular contact or near molecular contact with the catalyst in the production of ammonia, where the composition / complex may be provided in the form of a granular or pill structure. By removing the ammonia substantially while forming the ammonia, the forward reaction for producing the ammonia can continue with little attenuation, such that high net conversion is achieved in a single pass or accumulation within the segmented reactor while operating in series.

The system can flexibly respond to changes in the required amount of raw material gas and supply the raw material gas accordingly, completely vaporize the supplied liquid raw material without clogging, and continuously supply the raw material gas at the required temperature. , a temperature detector for vaporizers that uses infrared radiation as a heat source To provide. [Solution] The temperature detector 70 is for a vaporizer 10 that uses infrared radiation as a heat source. The temperature detector 70 consists of a graphite infrared absorber 78 that absorbs infrared radiation and is heated, and a temperature detection element 71 embedded in the infrared absorber 78 that detects the temperature of the infrared absorber 78.

The invention discloses a device and a method for producing hydrogen by quickly decomposing ammonia at high temperature, and belongs to the technical field of chemical production. The device comprises a non-conductive and non-magnetic reactor and an electromagnetic induction heating unit, a gas inlet is formed in the upstream of the reactor, a gas outlet is formed in the downstream of the reactor, and an electromagnetic induction medium is arranged in the reactor; the electromagnetic induction heating unit comprises an induction coil which is erected on the periphery of the reactor in a surrounding manner. The method comprises the following steps: ammonia gas is continuously introduced into a reactor, an electromagnetic induction medium in the reactor generates eddy current in an inductance field generated by an induction coil so as to rapidly heat the ammonia gas, and the ammonia gas is rapidly heated so as to be thermally decomposed into hydrogen and nitrogen. According to the method, a special supported catalyst is not needed, the problems of preparation and deactivation of the catalyst are avoided, the problem of low reaction rate under the condition of no special catalyst is solved, and the method is fast in temperature rise response, good in reaction controllability and high in thermal efficiency.

The invention relates to a methanol steam reforming hydrogen production device and a quick starting method thereof, and belongs to the technical field of hydrogen energy preparation devices. The hydrogen production device comprises a methanol reformer, a tail gas heat exchanger, a methanol evaporator, a methanol feeding pump, a methanol aqueous solution pipeline, a reformed gas pipeline, an air pipeline and a tail gas pipeline, the methanol water solution pipeline comprises a first pipeline and a second pipeline; the methanol reformer comprises a methanol oxidizing chamber, a methanol vaporizing chamber and a methanol reforming chamber; the methanol reformer is connected with the first pipeline through a methanol feeding pump; the methanol reformer is respectively connected with an air pipeline and a reformed gas pipeline; the methanol reformer is sequentially connected with the tail gas heat exchanger and the methanol evaporator to form a secondary heat exchange structure; and the methanol evaporator is sequentially connected with the tail gas heat exchanger and the methanol reformer through a second pipeline for multi-stage heat recovery. A detachable hydrogen storage device is connected outside a methanol oxidation chamber of the hydrogen production device, and the hydrogen production device can be quickly started by utilizing hydrogen-air catalytic combustion during starting.

Provided is a locking tool capable of reducing the size or the number of parts as compared with the related art. A locking tool 100 includes a cylindrical member 10, an igniter 20 including a portion fitted into the cylindrical member 10, and a holder 30 that holds the cylindrical member 10 and the igniter 20 and is fixed to a part of a bag holder 40. The cylindrical member 10 is a bottomed cylindrical member including an opening portion provided at an end portion on a side of the igniter 20, and is a component in which a bottom portion 11, a cylindrical portion 12, a flange portion 13, and an actuation pin 14 are integrally molded. The bottom portion 11 is provided with a weak portion 11a that is an annular recess at a position facing an outer peripheral portion 14a of the actuation pin 14 described later on an inner surface. The weak portion 11a is broken by a pressure wave received at the time of activation of the igniter 20.