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1736results about "Oxygen preparation" patented technology

Single-person 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.
Owner:SHENZHEN JIAGONG TECH CO LTD

Medical oxygen generator with sterilization and dust removal functions

InactiveCN119455598ARespiratorsElectrostatic separationOxygen inhaledAir compression
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.
Owner:JIANGSU KAIHUADE MEDICAL EQUIP CO LTD

Split type vehicle-mounted intelligent oxygen supply system based on VPSA technology and control method

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.
Owner:CHERY AUTOMOBILE CO LTD

Medical oxygen generator multi-source information fusion monitoring and evaluation method and system

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.
Owner:HANGZHOU MEDOXYGEN TECH CO LTD

Process and system for cyclically producing hydrogen by using thermochemical iodine-sulfur-barium

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.
Owner:HANGZHOU BAINENG TECH CO LTD

Oxygen production control method of oxygen generator and oxygen generator system

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.
Owner:JIANGSU YUYUE MEDICAL EQUIP&SUPPLY CO LTD +2

Pressure swing adsorption molecular sieve oxygen production device

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.
Owner:JIANGYIN YANGTIAN GAS EQUIP CO LTD

PSA oxygen production and nitrogen recovery cooperative control method and system

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.
Owner:GUANGZHOU ELSIPU MEDICAL EQUIP CO LTD

Oxygen generator with oxygen output concentration monitoring and pre-compensation functions

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.
Owner:HUNAN ETER ELECTRONICS MEDICAL PROJECT

Catheter pump with oxygen supply function

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.
Owner:ANHUI TONGLING BIONIC TECH CO LTD

Plant root system three-dimensional ventilation system based on water-soluble PVA film and use method thereof

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.
Owner:付晗

Desalination and / or gas production system and method

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.
Owner:QWTIP LLC

Pressure swing adsorption molecular sieve screening device

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.
Owner:CHIFENG YUNTONG NON FERROUS METAL CO LTD

Molecular film type automotive nitrogen and oxygen separation device and separating method thereof

InactiveCN104727990AIncrease pressure differenceRestore reliabilityNon-fuel substance addition to fuelInternal combustion piston enginesChemistryHigh oxygen
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.
Owner:JILIN UNIV

Pressure swing adsorption oxygen generator capable of intelligently adapting to altitude and control method of pressure swing adsorption oxygen generator

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.
Owner:SICHUAN BOSHI KANGNING MEDICAL TECH CO LTD

Small oxygen generator with noise reduction structure

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.
Owner:NANJING TP OPTO ELECTRICAL TECH

Oxygen generation system and oxygen generation method

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.
Owner:HUNAN TECHRAY MEDICAL

Modularized pressure swing adsorption oxygen production device

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.
Owner:HUBEI ZHONGCHUAN GAS CO LTD

Oxygen generation system and oxygen concentration rapid increasing method

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.
Owner:HEYER OXYTECH CO LTD

Chemical oxygen generator

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.
Owner:THE 718TH RES INST OF CHINA STATE SHIPBUILDING CORP

Efficient and energy-saving PSA oxygen generator

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.
Owner:HUNAN ETER ELECTRONICS MEDICAL PROJECT

Gas source system and gas source system control method

The invention relates to the technical field of gas source systems, in particular to a gas source system and a gas source system control method. The air compression system is used for compressing input air under the control of the control equipment to generate compressed air; the compressed air is transmitted to the air storage system and / or the oxygen generation system under the control of the control equipment; the air storage system is used for storing compressed air under the control of the control equipment, so that the air utilization system can use the compressed air conveniently; the oxygen generation system is used for generating oxygen for the compressed air transmitted by the air compression system under the control of the control equipment; and the control equipment is used for controlling the air compression system to compress the input air according to the current air storage amount in the air storage system and / or the current oxygen content in the target carrying equipment, and controlling the air storage system to store the compressed air and / or controlling the oxygen generation system to generate oxygen for the compressed air. And multiple targets of cost reduction, efficiency improvement, safety and expansion are realized.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Desalination and / or Gas Production System

A system is 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 system use the gas released from the water to produce substantially fresh water from the processed salt water.
Owner:QWTIP LLC

Membrane separation oxygen production device capable of simultaneously producing medical oxygen and oxygen-enriched air

The invention provides a membrane separation oxygen production device capable of simultaneously producing medical oxygen and oxygen-enriched air, the device comprises a common oxygen production main machine, a membrane separation purification system and a pure oxygen production main machine, when the common oxygen production main machine needs to be purged, oxygen-enriched nitrogen, high-concentration oxygen-enriched air and waste gas can be utilized to purge an adsorption tower. The system has the advantages that the oxygen concentration can be automatically switched according to the requirements of a hospital, and medical oxygen and oxygen-enriched air are provided for the hospital at the same time or are independently provided for any one of the medical oxygen and the oxygen-enriched air; the membrane separation oxygen production technology is adopted, high-concentration waste gas generated during membrane separation medical oxygen production is used in the production process of oxygen-enriched air, the air-oxygen ratio is optimized, and the gas consumption is lower compared with a medical oxygen production system on the market; the waste gas exhausted from the direct current side in the medical oxygen generation process is rich in oxygen which is still contained in gas mainly containing argon and nitrogen and still contains high-concentration oxygen, the oxygen is used for producing oxygen-enriched air, the production efficiency is improved, the air amount needed by a product is reduced, and the effect of reducing energy consumption is achieved.
Owner:HEYER OXYTECH CO LTD

Emergency lifesaving oxygen supply device in mine

The emergency lifesaving oxygen supply device in the mine comprises a compressor, two adsorption tanks and an air storage tank, an air inlet space and an adsorption space which are coaxially arranged are arranged in a tank body of each adsorption tank, and a spiral blade is arranged in each adsorption space; the spiral blade rotates to form upward axial conveying of molecular sieve particles in the adsorption space so as to form circulation of the molecular sieve particles between the adsorption space and the air inlet space, a rotatable separation cup is arranged in the air inlet space, and a separation net in the separation cup performs screening and powder removal on the molecular sieve particles; according to the emergency lifesaving oxygen supply device in the mine, the adsorption space of the radial flow adsorption tower is improved, a molecular sieve particle cleaning function is added, molecular sieve particles can be separated to remove powder when passing through the separation cup, the cleaning work of the molecular sieve particles can be carried out in the adsorption tank, the adsorption tank does not need to be opened, and the treatment process is greatly simplified.
Owner:SHENZHEN JIAGONG TECH CO LTD

Solar radiation energy grading and residual light energy thermal complementary coupling electro / thermochemical gradient hydrogen production system and method

The invention provides an electro / thermochemical gradient hydrogen production system and method for solar radiation energy grading and residual light energy thermal complementary coupling. The system comprises a light condensation assembly; the frequency division assembly is used for grading solar spectrum radiation; a photovoltaic cell power generation device; the methane oxygen-enriched combustion high-temperature photovoltaic power generation device is used for realizing oxygen-enriched combustion of natural gas by utilizing residual heat heat energy and generating power by utilizing radiation energy generated by high-temperature flue gas generated after combustion; the solid oxide electrolytic tank device is used for pushing solid oxide to electrolyze water to produce hydrogen by utilizing heat energy and electric energy contained in the high-temperature flue gas step by step; and the thermal chemical reaction device is used for promoting each step of thermal chemical reaction by utilizing heat energy and electric energy contained in the high-temperature flue gas step by step. The energy source of the system is solar radiation and natural gas, hydrogen and electricity are produced, the system utilizes different energy conversion modes to achieve temperature gradient ordered conversion and utilization of residual light energy after solar frequency division, and complementary coupling of different qualities is achieved on the basis of energy gradient conversion.
Owner:ZHEJIANG UNIV

Oxygen generator

The invention belongs to the technical field of medical equipment, and discloses an oxygen generator which comprises an adsorption cylinder, a compressor, a humidifying cup and a condensation water collection assembly, the adsorption cylinder is filled with an adsorbent for adsorbing nitrogen, the compressor is used for providing pressurized air for the adsorption cylinder, the humidifying cup is used for humidifying oxygen from the adsorption cylinder, and the condensation water collection assembly is used for collecting water from the adsorption cylinder. The humidifying cup is provided with a liquid inlet, the condensation and water collection assembly is provided with a liquid outlet, an air inlet communicated with the compressor and an air outlet communicated with the adsorption barrel, the condensation and water collection assembly is used for condensing water vapor in pressurized air generated by the compressor into liquid, and the liquid is discharged through the liquid outlet and enters the humidifying cup through the liquid inlet so as to supplement water to the humidifying cup; according to the technical scheme, the frequency that water needs to be supplemented to the humidifying cup is reduced, the use experience of a user is greatly improved, the humidity of pressurized air entering the adsorption barrel is greatly reduced, the phenomenon that an adsorbent is agglomerated due to humidification is improved, the service life of the adsorption barrel is prolonged, and the use cost of the user is reduced.
Owner:JIANGSU YUYUE MEDICAL EQUIP&SUPPLY CO LTD +2

Oxygen separation device for pressure swing adsorption system

The invention discloses an oxygen separation device for a pressure swing adsorption system, and relates to the technical field of oxygen separation. The oxygen separation device for the pressure swing adsorption system comprises an oxygen separation tank; the central shaft is arranged in the oxygen separation tank in the axial direction of the oxygen separation tank and can rotate around the axis of the central shaft; the zeolite molecular sieves sleeve the outer side of the central shaft and are uniformly distributed along the axial direction of the central shaft; and the up-down transposition mechanism is arranged on the zeolite molecular sieve, can synchronously act along with the rotation of the central shaft, and is used for driving the zeolite particles to generate position alternation in the axial direction. By arranging the up-down transposition mechanism synchronously acting with the rotary drum, the zeolite particles are driven to continuously perform ordered position alternation in the axial direction, so that dynamic cyclic replacement of adsorption areas is realized, the zeolite particles at different positions alternately participate in the adsorption process, the load of each area is effectively balanced, and local premature failure is prevented.
Owner:WEIKAIRUI ENERGY EQUIPMENT TECHNOLOGY (SHANDONG) CO LTD

Modularized vehicle-mounted dispersion oxygen generator

The utility model discloses a modularized vehicle-mounted dispersion oxygen generator, and particularly relates to the technical field of oxygen generators, the modularized vehicle-mounted dispersion oxygen generator comprises an oxygen generator body, the oxygen generator body comprises a mounting base fixedly mounted on a vehicle body and a casing fixedly connected with the edge of the mounting base; a gas compression module, a gas inlet pretreatment module, a temperature control module, a control module, a gas separation module, an oxygen production performance detection module and a silencing module are arranged in the machine shell. The two compressors are connected in parallel for use, the air inflow is increased, the requirement of the oxygen generation system for the air flow is met, meanwhile, the rotating speed of the two compressors can be adjusted in a self-adaptive mode according to the environment temperature and the air pressure, the oxygen generation performance can be guaranteed under different working conditions, and high environment adaptability is achieved; and the molecular sieve tower adopts an integrated design, and an electromagnetic valve, a pressure reducing valve and a temperature control heating sheet are integrated on the tower, so that the machine space is favorably released, and the weight and the volume of the gas separation module are reduced.
Owner:ANHUI XIAOJUN INTELLIGENT EQUIP CO LTD

Manufacturing method and structure of nested conical oxygen production grain

The invention discloses a nested conical oxygen production grain manufacturing method and structure, and relates to the technical field of oxygen production grain processing, and the nested conical oxygen production grain manufacturing method comprises the steps that oxygen production main powder is put into a mold cavity and pressed through a main pressing head to obtain a conical main grain; a central groove of the conical main grain is filled with ignition powder for pressing, and an ignition-main grain is obtained; a piezoelectric resistance electric heating fuse and ignition powder are placed in the center of the ignition-main grain; pressing the ignition-main grain, the ignition powder and the anti-piezoelectric hot fuze to obtain an oxygen production grain; the electric heating wire of the anti-voltage electric heating fuse keeps the shape of the electric heating wire framework. According to the invention, mutual wrapping of three agents is ensured through a nested conical shape, so that the ignition agent can be fully ignited, and the oxygen production agent can be fully ignited by the ignition agent. Through the buried anti-voltage electric heating wire and the skeleton structure, the electric heating wire is ensured to be buried in the pressed ignition powder in a fixed structure, and the performance of the electric heating wire is fully exerted.
Owner:SHAANXI IND DESIGN & RES INST CO LTD