586 results about "Oxygen rich" patented technology

The invention relates to the technical field of oxygen supply, and provides a self-adjusting dispersion type oxygen-enriched sleep pillow which comprises an oxygen conveying assembly, a monitor, an analyzer and an oxygen supply controller, oxygen is conveyed to an oxygen conveying pipe of the sleep pillow through the oxygen conveying assembly, the heart rate and the blood pressure of a target object are monitored through the monitor, historical data monitored by the monitor are analyzed through the analyzer, and the oxygen supply controller is connected with the sleep pillow. The method comprises the following steps: identifying an anoxia influence period through the heart rate and blood pressure of a target object, distinguishing a significant influence period and a weak interference period based on an anoxia influence tendency characterization value, monitoring the oxygen state of a sleep pillow target object area, determining oxygen catheter characterization parameters, and predicting whether the oxygen concentration of the target object area is abnormal or not based on the oxygen catheter characterization parameters. According to the method, the influence of environmental area difference on the target object in the running process of the oxygen-enriched sleep pillow is considered, the oxygen compensation device is adaptively started, and then the oxygen supply efficiency and the oxygen condition of the target object area are guaranteed.

This disclosure relates to the adsorption and separation of fluid components, such as oxygen, in a feed stream, such as air, using zeolite ITQ-55 as the adsorbent. A process is disclosed for adsorbing oxygen from a feed stream containing oxygen, nitrogen and argon. The process comprises passing the feed stream through a bed of an adsorbent comprising zeolite ITQ-55 to adsorb oxygen from the feed stream, carrying out an equalization step to improve recovery, thereby producing a nitrogen product stream depleted in oxygen as well as a waste stream can be collected to have enriched oxygen. The feed stream is exposed to the zeolite ITQ-55 at effective conditions for performing a rapid cycle of kinetic separation, in which oxygen exhibits greater kinetic selectivity than nitrogen and argon.

The present invention relates to a method for removing organic pollutants in water by activating sulfite with Fe-N-C, belonging to the technical fields of new catalyst materials and environmental purification technologies. An iron salt and a carbon-nitrogen precursor are added to an organic solvent, and the iron salt and the carbon-nitrogen precursor form a complex. Then, the organic solvent is removed to obtain a dry powder. The dry powder is calcined under a protective atmosphere, and after carbonization, an Fe-N-C catalyst is obtained. The present invention solves the bottleneck problem of low efficiency in traditional heterogeneous sulfite activation technology due to few reactive sites and slow oxygen mass transfer by constructing carbon-based metal active sites with oxygen-rich properties. This catalytic oxidation method has high treatment efficiency and simple operation, has a wide pH application range, strong anti-ion interference ability, and high reusability, and has broad application prospects in the field of actual industrial wastewater treatment.

The invention discloses an oxygen-enriched destressing crystal growth method and a crystal growth furnace, and relates to the technical field of crystal growth, and the oxygen-enriched destressing crystal growth method comprises the following steps: step 1, pre-treating a PMNT polycrystal material, and putting the pretreated PMNT polycrystal material into a crucible; 2, pre-flushing the growth furnace and creating an oxygen partial pressure environment; 3, raising the temperature in the growth furnace to melt and homogenize the PMNT polycrystal material in the crucible; step 4, the crucible moves downwards for directional solidification of the crystal, a solid-liquid interface is formed and stably moves upwards, and in the process, a dynamic regulation and control strategy is adopted in the growth furnace to control an oxygen-enriched environment to promote crystal growth, so that the crystal digests growth stress in the growth process, and formation of oxygen vacancies is inhibited; and step 5, after crystal growth is finished, gradient cooling is performed to room temperature in an oxygen-enriched environment, and a crystal ingot is obtained. Oxygen is used as a regulation and control tool, the stress problem caused by oxygen vacancy is physically solved, the color center and performance problems caused by oxygen vacancy are chemically solved, and the crystal growth quality is improved.

The present application relates to the field of environmental protection additives, specifically disclosing a natural gas low-temperature combustion-supporting environmental protection additive and its preparation method. The natural gas low-temperature combustion-supporting environmental protection additive comprises the following substances in parts by weight: 10 to 50 parts of dimethyl carbonate, 0 to 10 parts of methyl tert-butyl ether, 10 to 20 parts of methanol, and 15 to 20 parts of dispersed catalytic particles; the dispersed catalytic particles are carbon aerogels adsorbed with nano-Pt particles. The natural gas low-temperature combustion-supporting environmental protection additive of the present application uses dimethyl carbonate, methyl tert-butyl ether, and methanol as liquid matrices, and a carbon aerogel material adsorbed with the precious metal Pt as a catalytic material. The environmental protection additive material is effectively coated and loaded in the boiling gas phase. A uniform bonding form is formed between the gas-phase environmental protection additive and the natural gas, so that the methane in the natural gas opens the gas-hydrogen-oxygen bond under the action of the environmental protection additive at 80 to 100°C, effectively catalyzing the combustion of natural gas in an oxygen-rich state, further improving the activity of natural gas in a low-temperature environment.

The invention discloses an oxidation-resistant monomer casting nylon material and a preparation method thereof, and relates to the field of material preparation, and the monomer casting nylon material is applied to a high-temperature and oxygen-enriched environment and comprises the following components in parts by mass: 100 parts of caprolactam; 0.1-0.3 part of a catalyst which is one of sodium hydroxide, potassium hydroxide or lithium hydroxide; 0.5 to 1.5 parts of an activating agent, wherein the activating agent is N-acetyl caprolactam; 0.7 to 3 parts of a main antioxidant, wherein the main antioxidant comprises a hindered phenol antioxidant and a thioester antioxidant; 0.1-0.5 part of an auxiliary antioxidant, which is a metal deactivator; 1-3 parts of an inorganic filler which is modified montmorillonite; and 0.5-2 parts of a hydrophobic agent which is a silane coupling agent. By constructing a composite anti-oxidation system, multi-level synergistic protection can be formed for three key oxidation stages of free radical initiation, peroxide accumulation and metal catalysis, and a full path of an oxidation chain reaction is covered from a molecular level, so that the aging process of the material is remarkably delayed, and the service life of the material is prolonged. And high oxygen resistance and relatively long service life are provided for nylon application under severe working conditions.

The utility model provides refrigeration equipment. The oxygen adjusting device comprises an oxygen adjusting storage container and an electrolysis oxygen adjusting module, the oxygen adjusting module is arranged in the oxygen adjusting container so that the oxygen-rich atmosphere or the oxygen-poor atmosphere can be supplied to the oxygen adjusting container, the oxygen adjusting container comprises a first oxygen adjusting container body and a second oxygen adjusting container body, the first oxygen adjusting container body is arranged in the second oxygen adjusting container body, and the electrolysis oxygen adjusting module is arranged in the second oxygen adjusting container body. Or the second oxygen adjusting container is arranged in the first oxygen adjusting container. By means of the arrangement, the concentration of oxygen in the oxygen adjusting container can be adjusted, and meanwhile the equipment structure is more compact.

The invention belongs to the technical field of titanium alloy additive manufacturing, and particularly relates to an electron beam additive manufacturing method for oxygen-enriched titanium alloy. According to the method, circulating titanium alloy coarse powder with the oxygen content being 0.25 wt.%-0.30 wt.% is adopted, the circulating titanium alloy coarse powder is dried and then subjected to printing forming, and a powder layer is obtained; according to the method, electron beam powder bed cladding is conducted on a powder layer under the environment that the vacuum degree is 10 <-3 > Pa to 10 <-5 > Pa, a BCC phase is reserved by means of a steady-state thermal field formed by electron beam powder bed cladding at a preheated substrate at the temperature of 700 DEG C to 800 DEG C, in the deformation process, transformation from BCC to HCP and transformation from HCP to FCC are induced by stress, and the high-toughness oxygen-enriched titanium alloy is obtained; the excellent performance matching of the tensile strength of 1220 MPa and the elongation percentage of 14.5% is realized, and meanwhile, the uniform elongation percentage of 8.1% is kept.

The invention discloses a multi-channel oropharyngeal ventilation device for anesthesia, and relates to the technical field of medical instruments. The device comprises a breathing machine, a gas transmission chamber is arranged on one side of the breathing machine, a gas transmission end is arranged in the gas transmission chamber, a butt joint pipe is fixedly inserted into one side of the gas transmission end, a limiting ring is fixedly connected to the butt joint pipe in a sleeving mode, and a horizontally-arranged control knob is rotationally installed in the gas transmission chamber; and the control knob is fixedly sleeved with a fan-shaped limiting plate. The multi-channel air conveying assembly is arranged, during first air conveying, part of oxygen-enriched air can be conveyed into the fan-shaped supporting air bags through the first vent holes, and the two third vent holes are gradually filled with the oxygen-enriched air through the second vent holes and the third vent holes, so that the fan-shaped supporting air bags and the annular air bags are gradually expanded, and the oropharynx of a patient is slightly expanded; medical staff can conveniently adjust the insertion position of the oxygen catheter, and the situation that soft tissue of the oropharynx of a patient presses the oxygen catheter, and consequently air conveying is difficult or the air conveying amount is insufficient is prevented.

The utility model discloses a fresh-keeping device for a refrigerator and the refrigerator, and relates to the field of refrigerators. The refrigerator is provided with at least two mutually independent fresh-keeping chambers, the fresh-keeping device comprises an oxygen-enriched assembly, the oxygen-enriched assembly comprises an oxygen-enriched membrane, a collection cavity and an oxygen reduction bin, the collection cavity and the oxygen reduction bin are arranged on the two opposite sides of the oxygen-enriched membrane, the oxygen-enriched assembly is used for enabling more oxygen in the oxygen reduction bin to penetrate through the oxygen-enriched membrane and enter the collection cavity relative to nitrogen, and the oxygen reduction bin is provided with at least two ventilation openings; the at least two air vents are used for communicating the at least two fresh-keeping chambers; the air inlet end of the air extractor is communicated with the collecting cavity of the oxygen enrichment assembly; and the switch piece is used for controlling opening and closing of the at least one ventilation opening and adjusting the proportion of the circulation areas of the at least two ventilation openings. According to the fresh-keeping device, the single air extractor and the single oxygen enrichment assembly are used for efficiently reducing oxygen in the at least two fresh-keeping chambers, and the cost is low. And the oxygen reduction capacity of the fresh-keeping chamber can be adjusted, and the requirements for oxygen concentration of different types of food materials can be met.

The utility model discloses a low-noise intelligent oxygen cabin. The low-noise intelligent oxygen cabin comprises a cabin body, a cabin door, an inner isolation plate, an integrated control part, a monitoring sensor group and an operation part, the cabin body comprises a hollow shell made of sound insulation materials. The cabin door is made of sound insulation glass and can be installed at an access port of the cabin body in an openable mode. A sound attenuation and noise reduction isolation layer made of a sound absorption material is arranged in the inner isolation plate, and the inner isolation plate is detachably connected to the connecting step of the cabin body in a sealed mode; the monitoring sensor group monitors pressure, temperature and oxygen-enriched concentration data in real time and feeds back the pressure, temperature and oxygen-enriched concentration data to the integrated control part, and the integrated control part controls the oxygen generation module, the pressurization module and the temperature control module to work or start and stop, so that the silent oxygen chamber is at the set temperature, pressure and oxygen-enriched concentration. The utility model has the advantages of low noise, silence environment, immersion treatment of personnel in the cabin, constant-temperature, constant-pressure and constant-oxygen medical environment of the silence oxygen chamber, and good medical effect.

The present invention provides an oxygen-dominated supra-nano dual-phase catalytic reaction material, which includes a uniform oxygen-enriched amorphous shell and a core encapsulated within the uniform oxygen-enriched amorphous shell. This invention exhibits ultrahigh HER performance, a critical reaction in water splitting, making it suitable for application in hydrogen production industries, battery companies, new energy vehicle enterprises, and large power stations.

The application discloses a preparation method and application of nitrogen-doped oxygen-rich hierarchical porous carbon, and adopts a one-step co-activation method to prepare the nitrogen-doped oxygen-rich hierarchical porous carbon, which is simple in process and low in energy consumption. The structure and surface chemical performance of the prepared nitrogen-doped oxygen-rich hierarchical porous carbon catalyst are easy to control. The prepared TNS-X material has a large specific surface area and a developed pore structure, which is beneficial to exposure of catalytic sites and diffusion of reactants. Through ammonia and water vapor co-activation, efficient doping of nitrogen atoms and oxygen atoms is realized, the number of catalytic sites is increased, and the catalytic activity is improved. The TNS-800 material exhibits high catalytic performance in a peroxymonosulfate (PMS) activation process, and can completely remove organic pollutants such as acetylaminophenol in a short time.

The invention relates to application of a molybdenum-based electrocatalyst cathode in electrocatalytic degradation of antibiotics in wastewater. According to the cathode, foamed nickel serves as a substrate, and carbon-doped oxygen vacancy-enriched molybdenum oxide C-MoO2-X is loaded on the surface of the substrate. The preparation method of the electrocatalyst is simple to operate, low in cost and environment-friendly, and the NF net structure with excellent performance can effectively avoid MoO2 agglomeration in the calcination process. According to the preparation method, pressure stress is generated by utilizing lattice shrinkage after carbon doping, adjacent O atoms are forced to be separated from lattices, stable oxygen vacancies are formed in MoO2 lattices through electron reconstruction, electron transfer is enhanced, strong Mo-C bonds are formed, Mo atoms are stabilized, oxidation dissolution of the Mo atoms is inhibited, the oxygen adsorption behavior is optimized, and an activation energy barrier from O2 to H2O2 to O2 is reduced. According to the invention, by designing a carbon-doped pyrolysis process, the selective generation of O2 of more than 90% is realized. The research provides a new design scheme for preparing an efficient and cheap non-noble metal ORR catalyst.

The invention discloses a bismuth oxyiodide modified oxygen-vacancy-enriched titanium dioxide nanotube array and a preparation method and application thereof, which realize wide-range and efficient light response efficiency: BiOI (forbidden bandwidth is approximately equal to 1.8 eV) is used as an excellent visible-light-driven photocatalyst and forms a semiconductor heterojunction with TNAs after being loaded, the spectral response range of the material is widened to a visible light wave band, and the visible-light-driven visible-light-driven photocatalyst can be used for preparing a visible-light-driven photocatalyst. And the construction of interface oxygen vacancies also improves the transmission efficiency of photon-generated carriers, so that the photocatalytic efficiency and the visible light utilization rate of the material are greatly improved. The material prepared by the invention can be used for a long time after being fixed in a reactor, and after the material is recycled for 20 times, the degradation rate of typical refractory organic matters in single 60 minutes can still be kept above 90%.

The present invention discloses a safe calcination system and method for secondary aluminum ash and the application of the calcined product, relating to the technical field of harmless treatment and resource utilization of aluminum ash, and solving the problems of kiln blocking and temperature out-of-control after the spontaneous combustion of aluminum ash during the calcination of secondary aluminum ash in the prior art. The safe calcination system of the present invention includes a first-stage rotary kiln provided with an aluminum ash and slag inlet, and a second-stage incinerator connected to the first-stage rotary kiln for heating and burning the aluminum ash. The second-stage incinerator is provided with a self-preheating recovery system. The method of the present invention includes: feeding the secondary aluminum ash into the first-stage rotary kiln for heating; then sending it to the second-stage incinerator, heating it first under an oxygen-deficient state at the front end, and then burning it at a high temperature under an oxygen-rich state at the rear end; the burned material is sent to the external heating jacket of the first-stage rotary kiln to provide heat for heating the material in the first-stage rotary kiln. The present invention creatively realizes the safe calcination of secondary aluminum ash with little or no addition of anti-caking agent. The obtained product has a high content of α-Al2O3, low energy consumption, and is environmentally friendly.

The present application relates to a kind of textile gas setting machine of configuration oxygen-rich control wet energy-saving system, the oxygen-rich control wet energy-saving system, including: oxygen-rich oxygen generator, with the one-to-one correspondence setting of gas burner on the textile gas setting machine, for generating oxygen-enriched air;Three-way bypass and bypass valve, with the one-to-one correspondence setting of gas burner, one end is communicated the oxygen-enriched air outlet of oxygen-rich oxygen generator, the other end is communicated the pipeline between corresponding gas burner and gas access solenoid valve on textile gas setting machine;High-temperature humidity sensor, with the one-to-one correspondence setting of each air draft section of the air draft branch pipe on the textile gas setting machine, for obtaining the exhaust gas discharge humidity parameter of setting machine section;Variable frequency control induced draft fan, replace the induced draft fan corresponding to the air draft branch pipe;Controller, with the variable frequency control induced draft fan, high-temperature humidity sensor connection;With the starting switch of connected gas burner, the oxygen-rich machine vacuum pump frequency converter circuit connection.

This invention discloses a preservation method for refrigerators, relating to the field of refrigerators. The refrigerator has at least two independent preservation compartments. The preservation device includes: an oxygen-enriching component, comprising an oxygen-enriching membrane, a collection chamber, and an oxygen-reducing chamber, with the collection chamber and oxygen-reducing chamber located on opposite sides of the oxygen-enriching membrane; at least two vents in the oxygen-reducing chamber for connecting the at least two preservation compartments; an air extraction device; an oxygen-reducing adjustment component, used to adjust the airflow of at least one vent after the air extraction device is activated, thereby adjusting the level of the preservation compartment; and a controller to control each adjustable preservation compartment to alternately enter an oxygen-reducing mode and a stable mode. The preservation device of this invention has an adjustable oxygen-reducing capacity for the preservation compartments, adapting to the oxygen concentration requirements of different types of food. This preservation method is simple and has low energy consumption.

An air separation system includes an air separation unit and at least one solid oxide electrolyser cell, the air separation unit including a source gas infeed, the at least one solid oxide electrolyser cell including an anode, a cathode and an electrolyte, a steam input and an oxygen rich gas output, where the oxygen rich gas output connects to the source gas infeed of the air separation unit.

The application discloses a magnetic LDH biochar as well as a preparation method and application thereof, and belongs to the technical field of pollution prevention and control. The preparation method of the magnetic LDH biochar comprises the following steps: sequentially performing puffing treatment and pyrolysis carbonization treatment on iron-containing biomass to obtain magnetic biochar; mixing a magnesium salt solution and the magnetic biochar, and then performing hydrothermal reaction to obtain magnetic loaded iron-magnesium hydrotalcite biochar; mixing the magnetic loaded iron-magnesium hydrotalcite biochar and a nitrogen source, and then heating and doping to obtain the magnetic LDH biochar. The magnetic LDH biochar prepared by the application can adsorb dissolved oxygen around the carbon material, improve the mass transfer efficiency and dissolved oxygen utilization rate of microbial degradation of pollutants in the artificial wetland, rapidly enrich oxygen, increase the dissolved oxygen concentration of the water body, has the advantages of low energy consumption, difficulty in blocking, high nitrogen and phosphorus removal efficiency and the like, and when the magnetic LDH biochar is applied to the intermittent aeration artificial wetland, the nitrogen and phosphorus treatment performance of the artificial wetland can be effectively strengthened.

The invention belongs to the technical field of zinc smelting, and discloses a method for producing a high-zinc high-iron acid solution through zinc hydrometallurgy and removing iron in an oxygen pressure kettle at medium temperature. According to the oxygen-enriched pressurized direct leaching process based on zinc hydrometallurgy, in order to improve various economic and technical indexes, a high-zinc and high-iron acid solution is produced after process technology optimization is carried out. Then, the first-stage high-zinc high-iron acid solution is treated, an oxygen pressure kettle medium-temperature iron removal method is adopted, the iron content of the obtained iron-removed solution is 0.5-1.5 g / L, the iron-removed solution is fed to neutralization iron removal operation, the dosage of a neutralizer and the dosage of an oxidizing agent are reduced, and a qualified iron-removed supernatant solution is obtained; and hematite with iron content of more than or equal to 55% in the slag sample is obtained, and byproducts have value of sale. According to the method, efficient separation of zinc and iron is achieved, the slag rate of the system is reduced, and safe, continuous and stable operation of the full-wet-process pressure leaching zinc smelting system is guaranteed.

The invention discloses a sintering method and system for recycling sintering ring cooling waste gas, and the method comprises the steps: respectively feeding the ring cooling waste gas into a sintering front-section fan cover, a middle-section fan cover and a rear-section fan cover, and sintering the ring cooling waste gas according to the sintering requirements of the sintering front-section, middle-section and rear-section materials; after oxygen or steam is supplemented to the sintering front-section fan cover, the sintering middle-section fan cover and the sintering rear-section fan cover synchronously, waste heat is utilized, and then oxygen-enriched hot air capable of being directly used for sintering the front-section material surface, oxygen-containing hot air capable of being directly used for sintering the middle-section material surface and steam-enriched hot air capable of being directly used for sintering the rear-section material surface are obtained at the same time; and in the waste heat utilization process, high-parameter steam capable of being directly used for power generation, industrial hot water capable of being used in multiple sources and the like are obtained. According to the invention, waste heat recovery of sintering ring cooling medium-temperature and low-temperature waste gas is realized at low cost and high efficiency, the discharge amount of waste gas is obviously reduced, the sintering working condition is greatly enhanced, and the quality of a sintered ore product is obviously improved.

The invention is applicable to the technical field of treatment of organic pollutants in water, and provides a catalytic material for degrading perfluoro-polyfluorinated compounds as well as a preparation method and application of the catalytic material. Through defect engineering and crystal face regulation and control, the CoFe2O4 / BiOCl (010)-Ovs heterojunction material rich in oxygen vacancies is constructed. According to the material, the conductivity is remarkably enhanced, the light response range is widened, reaction active sites are enriched, separation and migration of photon-generated carriers are promoted, the electron-hole utilization efficiency is improved, and then the photoelectrocatalysis performance is improved. The material accelerates the redox cycle of Co < 2 + > / Co < 3 + > and Fe < 2 + > / Fe < 3 + >, significantly improves the activation efficiency of PMS and the generation of active oxygen species, and has the multifunctional characteristics of photoelectrocatalysis and PMS activation. The PMS / PMS composite material is prepared into a photo-anode, the photo-anode is applied to a photoelectrocatalysis-PMS coupling system, under low voltage, PMS is activated through photon-generated carriers to generate ROS, a multi-ROS synergistic oxidation path is formed, and efficient degradation and defluorination mineralization of PFASs are achieved. The system has excellent stability and environmental adaptability, and has a wide application prospect.

The invention relates to the technical field of agricultural cultivation, in particular to a root oxygen regulation-oriented Chinese rose cultivation system and method, and aims to solve the problems that existing cultivation is limited by fixed planting density, so that plant space competition is limited, oxygen-enriched liquid is difficult to uniformly diffuse in a deep root system area due to shallow spraying, and hypoxia decline of a root system is caused. The system comprises a cultivation frame, a moving module, a cultivation module and a regulation and control module. The moving wheel set is connected with the driving module so as to drive the moving chain set arranged on the cultivation frame, and the cultivation plates bearing Chinese roses are arranged on the chain set. A regulation and control module containing the root oxygen unit and the regulation and control unit is arranged beside the cultivation frame and used for intensively regulating and controlling the oxygen content of the root system when the cultivation disc moves; the automatic circulation of dynamic and static decoupling is realized, and the plant circulation is promoted to eliminate the disadvantage of space competition; meanwhile, the leakage risk of a complex pipe network is avoided, fixed-point intervention is carried out through side centralized equipment, matrix hardening is accurately broken, deep waste gas replacement and uniform diffusion of enriched oxygen are achieved, and the root system is effectively rejuvenated and weakened.

A large-scale harmful algae bloom mitigation system that is environmentally safe, cost-effective, and scalable utilizing a hyperoxic nanobubble treatment and remote brevetoxin screening, without relying on heavy laboratory equipment. The hyperoxic nanobubble treatment and remote brevetoxin screening system is configured for installation within a narrow cross-section of an area of a body of water. The system is a stationary, high oxygen concentration, gas flow system that injects a large amount of oxygen enriched nanobubbles underwater at a small cross-section of a body of water, thereby controlling a large amount of water rapidly and in an environmentally-safe manner.

The invention belongs to the technical field of indoor environment construction in high-altitude areas, and particularly relates to an indoor oxygen-enriched humidifying air cooperative regulation and control system and method for a building in a high-altitude area. The system comprises a shell, wherein an air inlet and an air outlet are formed in the shell; an oxygen enrichment module used for air oxygenation and a humidification module used for air humidification are arranged in the shell. Along the air flow from the air inlet to the air outlet, the oxygen enrichment module comprises an induced draft fan, a primary filter screen and an oxygen generator which are arranged in sequence; an oxygen-enriched air bypass pipe is arranged on one side of the oxygen generator and used for feeding oxygen prepared by the oxygen generator into the humidifying module; an electromagnetic valve is arranged on the oxygen-enriched air bypass pipe; the humidifying module comprises a preheating coil, a humidifying chamber, a surface air cooler, a reheating coil, a pressure stabilizing chamber, a secondary filter screen and an air supply fan which are sequentially arranged. The problems of equipment system redundancy, low control precision, mutual interference of oxygen-enriched gas flow humidification air and local dew formation and water accumulation caused by humidification due to regulation and control of a humidity subsystem and an oxygen subsystem in the prior art are solved.

1. Name of the product in this design: Cleaner (Oxygen-enriched Fresh Air). 2. Purpose of this design: To purify indoor air and release negative ions in an oxygen-rich environment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application discloses a plateau intelligent nursing bed with an oxygen enrichment function, and belongs to the technical field of nursing bed mattresses, which comprises a bed frame, a bed board arranged on the bed frame, a head oxygen enrichment mechanism arranged in a head region of the bed board and surrounding the bed board to form a closed partial oxygen enrichment space for accommodating a patient's head, an oxygen concentration sensor arranged in the head oxygen enrichment mechanism, and a controller electrically connected with the oxygen concentration sensor and used for maintaining the oxygen concentration in the oxygen enrichment space in a preset suitable range. The closed partial oxygen enrichment space is provided through the head oxygen enrichment mechanism, the oxygen concentration sensor and the controller are combined, real-time monitoring and automatic adjustment of the oxygen concentration in the oxygen enrichment space are realized, the head region of the patient is ensured to be always in a suitable oxygen concentration range, discomfort caused by plateau hypoxia is effectively relieved, and oxygen inhalation comfort and efficiency are improved.

The present invention relates to the technical field of air conditioning, and discloses a method for treating condensed water of an air conditioner and an air conditioner, which is intended to solve the problem that condensed water in existing air conditioners affects the regulation of indoor oxygen concentration. To this end, the air conditioner of the present invention includes an oxygen-enriched component and a pressure regulating component, and the oxygen-enriched component is provided with at least a first outlet, a second outlet and a third outlet, and the pressure regulating component is arranged on the downstream pipeline of the third outlet, and is used to regulate the pressure in the oxygen-enriched component; the treatment method includes the following steps: controlling the pressure regulating component to separate the oxygen and nitrogen in the air passing through the oxygen-enriched component, oxygen is input into the room through the second outlet, and nitrogen is discharged to the outside through the third outlet; obtaining the flow rate of oxygen; and selectively performing condensed water removal treatment on the oxygen-enriched component according to the relationship between the oxygen flow rate and the preset flow threshold range. The treatment method of the present invention can achieve the regulation of indoor oxygen concentration while effectively removing condensed water, thereby improving the experience of air conditioning.

1. The name of the design product: micro-pressure oxygen-enriched cabin. 2. The use of the design product: the design product is used for oxygen inhalation and oxygen therapy in a family environment and similar family environment, and has the functions of assisting breathing and improving blood oxygen concentration. 3. The design points of the design product: the shape of the product. 4. The picture or photo that best indicates the design points: perspective view.