2379results about "Oxygen preparation" patented technology

The invention relates to a purification device system and method for oxygen, nitrogen and crude neon and helium, based on a non-low-temperature gas purification technology, hydrogen removal of crude neon and helium is coupled with regeneration of a nitrogen deoxidizing adsorbent, purification of nitrogen is coupled with a regeneration process of removing carbon dioxide and water from oxygen, and linkage purification and impurity removal of oxygen, nitrogen and crude neon and helium can be carried out. Therefore, efficient purification of nitrogen, oxygen and crude neon and helium is achieved.

The invention relates to the technical field of chemical and physical measurement, and provides a high-precision oxygen concentration monitoring method and system and an intelligent oxygenerator, and the method comprises the steps: obtaining temperature and humidity data, detection oxygen concentration data and standard oxygen concentration data at a plurality of moments; acquiring time lag between different temperature and humidity sensors; acquiring a plurality of similar moments of the current moment of the tail end temperature and humidity sensor; acquiring the temperature change influence coefficient and the humidity change influence coefficient of each temperature and humidity sensor on the tail end temperature and humidity sensor at the current moment; acquiring a temperature prediction value and a humidity prediction value of the tail end temperature and humidity sensor at the next moment; and in combination with the detected oxygen concentration data, obtaining corrected oxygen concentration data, and comparing the corrected oxygen concentration data with the standard oxygen concentration data to obtain final oxygen concentration data at the current moment. The invention aims to solve the problem of inaccurate oxygen output control caused by the influence of environment temperature and humidity on an electrochemical oxygen sensor in an oxygen generator.

The single-person oxygen generator comprises a compressor for compressing air and an adsorption assembly for separating nitrogen and oxygen in the air, the adsorption assembly comprises two adsorption tanks, a circulation tank is arranged between the two adsorption tanks, and a spiral sleeve, a rotating rod, a feeding plate and a collecting tank are arranged in the circulation tank; the rotating rod is coaxially and slidably connected with the spiral sleeve, the feeding plate is in threaded connection with the spiral sleeve, the collecting tank is located below the feeding plate, and the feeding plate can move in the circulation tank to screen out broken bodies and powder in molecular sieve particles and change positions of the screened-out molecular sieve particles. The circulation tank of the oxygen generator is used for screening broken bodies and powder of molecular sieve particles, meanwhile, the feeding plate can move the screened molecular sieve particles from the air inlet end to the air outlet end, the adsorption energy efficiency of the molecular sieve at the air inlet end is kept, and the collecting tank in the circulation tank can collect and timely treat the screened broken bodies and powder.

The invention discloses a medical oxygen generator with sterilization and dust removal functions, and relates to the technical field of oxygen generators, the medical oxygen generator comprises an oxygen generator shell, a handle, a touch screen, an oxygen generator bottom plate, an air inlet pipe, a dust removal and sterilization device, an air compression device, a heat dissipation pipe, an adsorption tower, a heat dissipation device, a cleaning device and a humidification cup, the air compression device can suck air and compress air, the dust and bacteria removal device can remove pollutants such as dust and bacteria in the air and prevent the pollutants from entering the air compressor to affect the quality of oxygen inhaled by a patient, the heat dissipation device rapidly dissipates heat of the air in the heat dissipation pipe, the adsorption effect of the adsorption tower is improved, and the service life of the adsorption tower is prolonged. The cooled air enters the adsorption tower, the adsorption tower adsorbs nitrogen in the air, the separated oxygen is decompressed and then conveyed into the humidifying cup, and the oxygen humidified by the humidifying cup is conveyed into an oxygen catheter of a patient.

The invention discloses a split type vehicle-mounted intelligent oxygen supply system based on the VPSA technology and a control method, and the system comprises an air compressor which is arranged at the inner side of a wheel cover protection plate of a rear wheel of a vehicle and is used for compressing air and discharging the compressed air to a molecular sieve assembly; the molecular sieve assembly is arranged below a spare tire in a trunk of the vehicle and is used for separating nitrogen from oxygen in the air to generate oxygen; the oxygen conveying pipe is arranged on the inner side of the vehicle roof and connected with an oxygen outlet of the molecular sieve assembly, and an oxygen outlet is formed in the position, located above each seat, of the oxygen conveying pipe; the detection module comprises an altitude sensor and an oxygen concentration sensor, the altitude sensor is installed on the molecular sieve assembly, and the oxygen concentration sensor is arranged on a ceiling in a vehicle compartment; distributed arrangement is adopted, all parts of the oxygen supply system are installed at different positions of the vehicle, the space occupied by the oxygen generation system can be reduced, and meanwhile directional oxygen supply to specific seats is achieved through the distributed oxygen outlets.

The invention belongs to the field of pressure swing adsorption oxygen production equipment, and particularly relates to a radial flow adsorption tower for optimizing variable mass flow distribution. The adsorption tower comprises a tower body (1) composed of an upper seal head (11), a cylinder (12) and a lower seal head (13), and an outer gas channel pipe (2-2) and an inner gas channel pipe (2-1) are arranged at the bottom of the tower body (1) and serve as channels for gas to enter and exit from the tower body; a supporting flat plate (3) is arranged at the bottom of the cylinder body (12), a flow guide sealing head (4) is welded below the supporting flat plate (3), the gap space is occupied, and the airflow direction in a lower sealing head (13) is changed; an outer-layer porous barrel (5) and an inner-layer porous barrel (6) are fixedly connected to the middle part of the inner cavity of the tower body (1), and the bottom of the outer-layer porous barrel (5) and the bottom of the inner-layer porous barrel (6) are welded with the upper part of the supporting flat plate (3). According to the invention, the radial pressure and flow velocity distribution of the adsorbent bed layer between the outer-layer porous cylinder and the inner-layer porous cylinder in the height direction is optimized, the internal gap space is reduced, and the adsorbent efficiency is improved.

The invention relates to the technical field of oxygen supply monitoring, regulation and control, and discloses a medical oxygenerator multi-source information fusion monitoring evaluation method and system, and the method comprises the following steps: S101, collecting the equipment operation parameters and environment parameters of a medical oxygenerator in real time, and obtaining the physiological demand data of a patient; s102, on the basis of the equipment operation parameters and the environment parameters, constructing coupling characteristics for representing the operation state of the oxygen generator; s103, establishing an environmental quantitative influence model of the environmental parameters on the oxygen production efficiency; s104, performing coupling analysis on the basis of the physiological demand parameters of the patient, the coupling characteristics and the environmental quantitative influence model, and determining a dynamic oxygen supply regulation and control strategy; and S105, monitoring the running state of the oxygen generator in real time, and triggering graded early warning when the oxygen generator is abnormal. Through multi-source data fusion and intelligent regulation and control, the oxygen supply demand of a patient is accurately matched, the environmental adaptability is optimized, the oxygen supply efficiency is improved, a grading early warning mechanism is integrated, intelligent monitoring and abnormal protection are achieved, and the safety and reliability of the oxygen generator are improved.

The invention relates to the technical field of sulfur-iodine circulating hydrogen production, in particular to a thermochemical iodine-sulfur-barium circulating hydrogen production process and a thermochemical iodine-sulfur-barium circulating hydrogen production system, which comprises the following steps: reacting excessive Ba < 2 + > with sulfuric acid in a Bunsen reaction product to obtain barium sulfate so as to obtain a first reaction mixed solution containing HI, BaSO4, H2O, BaI2 and a small amount of unreacted I2; sequentially carrying out cyclone separation, liquid removal and filter pressing to obtain a barium sulfate filter cake and a second mixed solution containing HI, H2O and BaI2; the method comprises the following steps: crushing a barium sulfate filter cake, performing high-temperature decomposition, returning gas generated by decomposition to participate in Bunsen reaction, and dissolving BaO generated by decomposition into Ba < 2 + >; and reboiling the second mixed solution to obtain hydrogen iodide steam, cooling a product obtained by decomposing the hydrogen iodide steam, carrying out gas-liquid separation to obtain hydrogen, and returning liquid obtained by gas-liquid separation to participate in the Bunsen reaction of the next cycle. Barium circulation is introduced, the process is simplified, the dosage of elemental iodine is reduced, and the cost is low.

The invention relates to the technical field of medical oxygen generators, and discloses an efficient and energy-saving PSA oxygen generator which comprises an adsorption tank, a gas inlet pipeline, a nitrogen discharge pipeline, an I-shaped balance pipeline, a first purging pipeline, a second purging pipeline, an oxygen outlet pipeline, a purity measurement pipeline, a qualified gas pipeline, an unqualified gas pipeline and an emptying pipeline, a throttling element is arranged on each of an inlet pipeline and an outlet pipeline of the adsorption tank and used for controlling the flow of gas when the adsorption tank is balanced, impact of high-speed gas on a molecular sieve is avoided, oxygen-enriched air can stay at the top of the adsorption tank in various balance modes, and desorbed low-concentration oxygen is adsorbed again to obtain the oxygen-enriched air. And the oxygen recovery rate is improved, so that the air consumption is reduced, the required power of an air compressor is reduced, and the energy consumption required by oxygen production is reduced.

The invention provides an oxygen production control method of an oxygen generator and an oxygen generator system, and relates to the technical field of oxygen generators, and the oxygen production control method comprises the following steps: obtaining the maximum pressure value of an oxygen storage barrel after stable oxygen output of the oxygen generator under the state of a preset compressor rotating speed and a preset molecular sieve maximum pressure value; judging whether the maximum pressure value of the oxygen storage barrel within a preset duration is continuously smaller than a preset pressure threshold value of the oxygen storage barrel or not; if the maximum pressure value of the oxygen storage barrel within a preset time length is continuously smaller than a preset pressure threshold value of the oxygen storage barrel, obtaining a first inflation time length when the pressure value of the molecular sieve reaches the preset maximum pressure value of the molecular sieve; whether the first inflation duration exceeds a preset inflation duration threshold value or not is judged; and if the first inflation duration does not exceed the preset inflation duration threshold, compensating operation parameters of the oxygen generator. Whether the molecular sieve needs to be subjected to aging compensation or not is automatically judged, meanwhile, the judgment accuracy of aging compensation of the molecular sieve is improved, the use cost of the oxygenerator is reduced, and the practicability of the oxygenerator is improved.

The utility model discloses a pressure swing adsorption molecular sieve oxygen generation device which comprises a movable plate, oxygen generator equipment is installed on the top wall of the movable plate, an air compressor is installed on the left side of an inner cavity of the oxygen generator equipment, and a filtering assembly is installed on the right side of the inner cavity of the oxygen generator equipment. According to the pressure swing adsorption molecular sieve oxygen generation device, an electric hydraulic cylinder is controlled by a controller to push a supporting plate and an anti-skid column to move downwards to make contact with the ground, and air enters the inner wall of a treatment box through an air inlet cover and an air inlet pipe, so that when oxygen generator equipment starts to work, when external air is extracted for use, the air is exhausted to the outside, and the service life of the oxygen generator equipment is prolonged; according to the oxygen generator, impurities in air can be filtered in a layered mode according to different particle sizes, the situation of frequent blocking can be prevented, normal oxygen generation work of oxygen generator equipment can be kept, the whole device can be supported and stressed, and the situation of position deviation during work can be prevented.

The invention discloses a PSA oxygen production and nitrogen recovery cooperative control method and system, and relates to the technical field of gas separation. The method comprises the following steps: establishing a dynamic multi-target evaluation function comprising a plurality of performance indexes such as air compressor energy consumption, vacuum pump energy consumption, oxygen purity and nitrogen recovery rate, and collecting pressure, temperature, gas components and flow data in an adsorption tower in real time; in the adsorption stage, based on the real-time data and the current oxygen demand, a first machine learning model is used for generating and executing a dynamic pressure adjusting strategy for the air compressor; in a desorption stage, predicting an optimal vacuum degree curve based on historical desorption data by utilizing a second machine learning model, generating a start-stop and pumping rate control strategy of the vacuum pump according to the optimal vacuum degree curve, and determining the recovery rate of the vacuum pump according to a comparison result of the real-time nitrogen concentration and a preset recovery concentration threshold value. And desorption airflow is controlled to enter the nitrogen recovery pipeline or be directly discharged through the valve.

The utility model relates to a household oxygen generator, the household oxygen generator comprises a shell, the shell is internally provided with a compression mechanism, a first gas circuit module and an oxygen generation mechanism which are communicated in sequence, the first gas circuit module comprises a flow guide pipeline, a movable pipeline and a locking assembly, the movable pipeline is movably connected with the flow guide pipeline, and the locking assembly is connected with the movable pipeline. The locking assembly is in transmission connection with the movable pipeline, the flow guide pipeline is connected with the oxygen generation mechanism, the locking assembly is provided with a locking position and an unlocking position, when the locking assembly is located at the locking position, the movable pipeline is connected with an air inlet of the oxygen generation mechanism in a clamped or inserted mode, and when the locking assembly is located at the unlocking position, the movable pipeline is connected with an air outlet of the oxygen generation mechanism in a clamped or inserted mode. When the locking assembly is located at the unlocking position, the movable pipeline is separated from the air inlet of the oxygen generation mechanism. According to the household oxygen generator, the position of the movable pipeline is changed through the locking assembly so that the oxygen generation mechanism can be assembled and disassembled, and the difficulty of communication and disassembly of the oxygen generation mechanism and the first gas path module can be lowered.

The invention relates to the technical field of oxygen generators, in particular to an oxygen generator with oxygen output concentration monitoring and pre-compensation functions. The oxygen generator comprises a lower buffer valve, a lower buffer communication valve, an upper buffer valve, a lower buffer valve, a data acquisition module, a data processing module and an adjusting module, wherein the data acquisition module is used for acquiring pressure data and oxygen concentration at an outlet of the oxygen generator; the data processing module is used for obtaining the high-pressure degree of each circulation according to the pressure data and the oxygen concentration at the outlet of each cycle of each circulation of oxygen discharge, and then determining the high-pressure duration and the current compensation demand degree; acquiring a slow voltage-sharing demand factor according to the current compensation demand degree and the duration of the high-voltage duration; and the adjusting module is used for adjusting opening and closing of the valve according to the slow pressure equalizing demand. According to the invention, the influence of temperature on the adsorption efficiency of the zeolite molecular sieve is reduced, the concentration of oxygen produced by the oxygen generator is maintained, and the pre-compensation of the oxygen concentration is realized.

According to the catheter pump with the oxygen supply function, the systemic circulation oxygen supply condition can be improved, the near end of a motor is connected with a catheter, the far end of the motor is coaxially connected with an impeller, the periphery of the impeller is covered with a blood outflow cage, the far end of the blood outflow cage is fixed to the near end of a blood inflow cage through a sleeve, and the far end of the blood inflow cage is further connected with a pigtail pipe; an oxygen supply unit is arranged on the blood outflow cage, and the oxygen supply unit generates oxygen in the ascending aorta on time and on demand according to the physiological signals collected by the sensing unit and releases the oxygen into blood in the ascending aorta. In the heart blood pumping assisting process of the catheter pump, oxygen can be supplemented into blood through the oxygen supply unit, and the whole-body tissue oxygen deficit condition is improved. The oxygen supply unit is integrated on the catheter pump and intervenes through the blood vessel together with the catheter pump, operation is easy, damage to the blood vessel can be reduced, the oxygen supply mode can reduce the risk of gas embolism, oxygen is better distributed, the oxygen supply mode in the physiological state is better met, and recovery of a patient is facilitated.

The invention discloses a plant root system three-dimensional ventilation system based on a water-soluble PVA film and a use method of the plant root system three-dimensional ventilation system. The plant root system three-dimensional ventilation system comprises at least one water-soluble breathing core packaging unit, and the water-soluble breathing core packaging unit is formed by wrapping ventilation medium particles with a PVA packaging layer; a layer of breathable medium particles is laid at the bottom of the flowerpot, and the water-soluble breathing core packaging unit is laid on the inner wall of the flowerpot in a surrounding mode; the planting soil is filled on the breathable medium particles and on the inner side of the water-soluble breathing core packaging unit; a layer of breathable medium particles is laid on the planting soil; after the PVA packaging layer is dissolved by watering, the breathable medium particles and the planting soil are attached to form a three-dimensional breathable system. The air circulation efficiency in the flowerpot is remarkably improved, and the root stuffy and rotten problems are solved. The system has environmental protection property, adaptability and long-term effect, and is suitable for family gardening and large-scale planting.

A system and method are provided in at least one embodiment to process water to produce gas that can be separated into at least two gas flows using a water treatment system having a disk-pack rotating in it to cause out gassing from the water. In a further embodiment, the method and system use the gas released from the water to produce substantially fresh water from the processed salt water.

The invention relates to the technical field of molecular sieve and dust separation, in particular to a pressure swing adsorption molecular sieve screening device which is characterized in that the upper end of a screening pipe is connected with the upper end of a dust conveying pipe, and the lower end of the dust conveying pipe is connected with the lower end of a primary dust collecting pipe; a plurality of air supply branch pipes are arranged in the lower portion of the screening pipe, a feeding port is formed in one side of the upper portion of the screening pipe and connected with a feeding hopper, the feeding hopper is connected with a feeding pipe, and a transverse dispersing device and a longitudinal dispersing device are arranged on the inclined face in the feeding hopper. And a screen is arranged in the screening pipe, and the screen is arranged between the feeding port and the air supply branch pipe. The air supply branch pipe on the lower portion of the screening pipe provides airflow into the screening pipe and is used for separating dust and a molecular sieve; the device is used for regularly screening and removing pulverized molecular sieve particles, so that the requirement of frequent replacement caused by aging and crushing of the molecular sieve is reduced, the production cost is reduced, and the oxygen production efficiency and the product quality are improved.

The invention discloses a molecular film type automotive nitrogen and oxygen separation device which comprises a turbocharger, a nitrogen and oxygen separator, a gas inlet valve, a gas outlet valve, a negative pressure pump and an electric control throttling valve. The turbocharger is driven by a turbine in an automobile turbocharger, so that the air is compressed to be conveyed to two paths of the nitrogen and oxygen separation device, the nitrogen and oxygen separation device can separate oxygen from the air, the air with high oxygen content is output, and the air is supplied to an engine for use through the gas outlet valve. The two paths of the nitrogen and oxygen separation device work alternately, when the temperature of the two paths of the nitrogen and oxygen separation device is too high to influence oxygen production efficiency, a main air inlet pipeline is opened to provide air normally by controlling the opening degree of the electric control throttling valve, and thus the phenomena of gas circuit plugging and engine stalling are avoided. According to the automotive nitrogen and oxygen separation device, the two branch paths work alternately, high concentration oxygen can be supplied to the engine continuously so that fuel can burn and act, and the burning utilization rate of the fuel is improved.

The invention discloses an intelligent altitude-adaptive pressure swing adsorption oxygen generator and a control method thereof.The intelligent altitude-adaptive pressure swing adsorption oxygen generator comprises a shell, an oil-free compressor is arranged in the shell and connected with an electromagnetic switching valve through a pipeline, and the electromagnetic switching valve is connected with a double-molecular-sieve adsorption tower through a pipeline; the double-molecular sieve adsorption tower is connected with the oxygen storage tank through a pipeline, an output port is formed in one side of the oxygen storage tank, a main control board is arranged in the shell, a control panel is arranged on the outer surface of the shell, a power switch is arranged on the control panel, and a pressure sensor, an altitude sensor and a CPU processing center are arranged on the main control board; according to the altitude sensor technology, the altitude of the working environment of the oxygenerator is intelligently identified, and the parameter configuration of the oxygenerator is automatically adjusted to correspondingly match the current altitude, so that the oxygenerator can generate oxygen with the concentration meeting the standard requirement at each altitude.

The invention discloses a pressurized output pressure swing adsorption type oxygen generator which comprises two oxygen generation tanks, the side walls, close to the top end, of the two oxygen generation tanks are detachably connected with a transverse connection pipe, the middle of the side wall of the top of the transverse connection pipe is detachably connected with a ventilation cover plate, and the ventilation cover plate is of an umbrella-shaped structure; the oxygen generating device has the following advantages that the transverse connecting pipe is connected between the tops of the two oxygen generating tanks, when the pressure in one oxygen generating tank is too large, the movable sealing plate on the corresponding side can be driven to rotate along the torsional spring to be opened, at the moment, the pressure can enter the vertical pipe along the transverse connecting pipe, and the oxygen generating device is convenient to use. Meanwhile, the blocking column is jacked open to enable pressure to enter the ventilation cover plate, and finally the pressure is discharged from the hole formed in the side wall of the ventilation cover plate, so that the pressure in the two oxygen generation tanks can be reduced, great damage of the pressure to the molecular sieve is avoided, and the service life of the molecular sieve is prolonged.

The invention belongs to the technical field of medical instruments, and particularly relates to a molecular sieve oxygen generation system and an oxygen generation method. The system comprises an air compressor, a radiator, a gas-water separator and an air tank which are sequentially connected and then is divided into two paths, one path enters an instrument gas tank through a one-way valve, the other path enters an oxygen generation main machine, and the oxygen generation main machine comprises an air inlet loop and an exhaust loop which are arranged before entering two adsorption towers with the same structure, and a pressure equalizing loop and a cleaning loop which are arranged after entering the two adsorption towers; the device is characterized in that an adsorbent and a molecular sieve are placed in each adsorption tower, the adsorbent is located on the lower portion of the adsorption tower, the molecular sieve is located on the upper portion of the adsorption tower, the adsorbent is used for adsorbing moisture in air entering the adsorption tower so as to remove water, and the cleaning loop is provided with a cleaning throttling hole. The number of valves in the oxygen generating main machine and oxygen generating steps are reduced while the oxygen concentration is guaranteed, so that the structure of the oxygen generating main machine is more compact; the all-in-one design of the oxygen generation system is facilitated, and the oxygen generation effect of the molecular sieve is further improved.

The utility model relates to a small oxygen generator with a noise reduction structure, which comprises an oxygen generation assembly, a packaging part and a component, the oxygen generation assembly is provided with a gas inlet end and a nitrogen discharge end, the component is arranged in the packaging part, and the oxygen generation assembly is arranged on the component and keeps non-contact with the packaging part; the component is of a flexible structure, an air inlet branch and an air outlet branch which are independent and arranged all over are constructed on the component, the air inlet branch is configured to be communicated with the air inlet end, and the air outlet branch is configured to be communicated with the nitrogen discharging end. According to the utility model, the plurality of air inlet branches and the plurality of exhaust branches are matched, so that an air inlet path and an exhaust path can form a diffusion effect, and by virtue of the flexible characteristic of components, the noise generated by air movement can be eliminated to a certain extent, and meanwhile, the transmission of vibration generated by the compressor to the outside is reduced; therefore, the formation of noise can be controlled to a certain extent on the whole.

The invention relates to an oxygen generation system and an oxygen generation method, the oxygen generation system comprises a first adsorption tower and a second adsorption tower, the first adsorption tower and the second adsorption tower are both used for introducing compressed air and adsorbing oxygen in the compressed air, and the first adsorption tower and the second adsorption tower are communicated through a pressure equalizing valve; the waste gas buffer device is respectively communicated with the first adsorption tower and the second adsorption tower through a first pipeline and a second pipeline and is used for recovering the non-oxygen gas discharged by the first adsorption tower and the second adsorption tower; the extraction buffer device is communicated with the first adsorption tower and the second adsorption tower through a third pipeline and a fourth pipeline respectively and is used for extracting oxygen adsorbed in the first adsorption tower and the second adsorption tower; and a first switch valve, a second switch valve, a third switch valve and a fourth switch valve are respectively arranged on the first pipeline, the second pipeline, the third pipeline and the fourth pipeline. According to the oxygen production system, the oxygen production process can be simplified, high-purity oxygen can be continuously produced, and the oxygen production efficiency is effectively improved.

The utility model discloses a modularized pressure swing adsorption oxygen generation device which comprises an oxygen generation tank, an air inlet mechanism arranged on one side of the oxygen generation tank, an auxiliary mechanism mounted on the surface of the oxygen generation tank, a collecting mechanism arranged on one side of the oxygen generation tank, and a detection mechanism mounted below the oxygen generation tank. According to the oxygen generation device, air entering the oxygen generation tank can be subjected to auxiliary filtering treatment, the cleanliness of the air is improved, a filtering part can be subjected to auxiliary cleaning, the situation that the filtering part is blocked or unsmooth in air inflow due to filtered impurities is reduced, meanwhile, the oxygen generation tank is provided with a detection mechanism, oxygen is conveniently detected, and the oxygen generation efficiency is improved. When the detected purity is not enough, auxiliary filtering and purifying treatment can be carried out, the oxygen production purity can be improved, an auxiliary mechanism is arranged on the oxygen production tank, auxiliary cooling and heat dissipation treatment can be conveniently carried out on conveyed oxygen production gas, oxygen production treatment can be better carried out, and meanwhile, a collecting mechanism is arranged on the oxygen production tank; other gases generated during oxygen production can be conveniently collected.

The invention provides an oxygen generation system and a rapid oxygen concentration increasing method. The oxygen generation system comprises air pretreatment equipment, a first-stage oxygen generation module and a second-stage oxygen generation module which are connected in sequence; the method comprises the steps that the first-stage oxygen generation module starts to be started from a pressure equalizing stage, and the second-stage oxygen generation module starts to be started from an air inlet stage. The system has the advantages that the oxygen increasing speed of the oxygen generation system is high; and less unqualified oxygen is generated during oxygen production, so that energy is saved.

The utility model discloses a chemical oxygen generator. The oxygen generator comprises a percussion mechanism assembly, a zirconium-containing blanket, an oxygen production flux core assembly, a shell, a purification material assembly, a heat insulation material and an air outlet end, the percussion mechanism assembly and the air outlet end are fixed to the upper end and the lower end of the shell in a sealed mode respectively, the oxygen production flux core is fixed into the shell through a heat insulation material and a zirconium-containing blanket, and the purification material assembly is arranged in a cavity between the bottom of the oxygen production flux core and the air outlet end. A percussion mechanism of the percussion mechanism assembly penetrates through the zirconium-containing blanket and then makes contact with the oxygen production flux core assembly, the percussion mechanism is started through low voltage so that an oxygen production flux core can produce oxygen, and the purification material assembly adsorbs impurities in oxygen production gas of the oxygen production flux core and provides an air channel. And the air outlet end is used for limiting the axial movement of the oxygen production medicine core assembly, the heat insulation material and the purification material assembly in the shell and providing an air outlet channel for purified oxygen. The device has no electromagnetic interference in the oxygen production process, and is safe and reliable to start and low in oxygen production cost.

The utility model relates to the technical field of medical oxygen generators, and discloses a high-efficiency energy-saving PSA oxygen generator which comprises an adsorption tank, a gas inlet pipeline, a nitrogen discharge pipeline, an I-shaped balance pipeline, a first purging pipeline, a second purging pipeline, an oxygen outlet pipeline, a purity measurement pipeline, a qualified gas pipeline, an unqualified gas pipeline and an emptying pipeline, a throttling element is arranged on each of an inlet pipeline and an outlet pipeline of the adsorption tank and used for controlling the flow of gas when the adsorption tank is balanced, impact of high-speed gas on a molecular sieve is avoided, oxygen-enriched air can stay at the top of the adsorption tank in various balance modes, and desorbed low-concentration oxygen is adsorbed again to obtain the oxygen-enriched air. And the oxygen recovery rate is improved, so that the air consumption is reduced, the required power of an air compressor is reduced, and the energy consumption required by oxygen production is reduced.

The invention relates to a wind-light-fire-storage coupled water electrolysis hydrogen production comprehensive energy system. The system comprises a wind-light power generation unit, a thermal power generation unit, an energy storage unit, a mixed hydrogen production unit, an air separation unit, an ammonia gas synthesis unit, a flue gas carbon capture unit, a methanol synthesis unit, an oxygen-enriched combustion unit and an ammonia-doped combustion unit. According to the wind-light-fire-storage coupled water electrolysis hydrogen production comprehensive energy system, wind-light-fire-storage integrated cooperative operation is achieved, hydrogen production, ammonia production and alcohol production processes are combined, peak regulation, frequency modulation and voltage regulation are facilitated, and the stability and safety of a power system are guaranteed. Power generation through renewable energy sources such as wind and light is combined with hydrogen production through water electrolysis, green hydrogen with economic cost can be produced, excessive wind and light resources are consumed, and the phenomenon of wind and light abandoning is reduced. The hybrid hydrogen production technology can effectively solve the problems of intermittency and volatility of wind and light and coupling between hydrogen production equipment, realizes flexible hydrogen production, improves the wind-light-electricity absorption efficiency, and enhances the overall stability of the system.

A water splitting includes a centrifuge situated in the protective chamber and rotatable within the protective chamber such that constituents inside the centrifuge separate according to their molecular mass; an inlet fluidly connected to the centrifuge and configured to provide water to the centrifuge; and an outlet fluidly connected to the centrifuge and configured to remove hydrogen isolated from the water from the centrifuge. A method of isolating hydrogen from water in a reactor is also disclosed.