146 results about "Delivery oxygen" patented technology

The invention discloses a water treatment device of an MABR membrane aeration bioreactor and a treatment method of the water treatment device, and relates to the field of sewage treatment.The water treatment device comprises a vertical frame body, oxygen permeation membranes are evenly arranged in the vertical frame body, and first communicating pipes are arranged at the front ends and the rear ends of the oxygen permeation membranes; the surface of the first communicating pipe at the rear end fixedly communicates with a first conveying pipe, the first communicating pipe is used for conveying oxygen to the oxygen permeation membrane, the first communicating pipe is connected with the vertical frame body through a movement assembly, and through double-form switching of the movement assembly, the oxygen permeation membrane is driven to conduct cyclic twisting and swinging, so that the oxygen permeation membrane is driven to conduct oxygen permeation. The contact of oxygen between the surface of the oxygen-permeable membrane and the microbial biological membrane is enhanced, the oxygen utilization rate is increased, the motion state of the membrane is dynamically adjusted, the self-cleaning capacity of the membrane is enhanced, and sludge deposited on the outer surface of the oxygen-permeable membrane is digested while the acceleration mechanism continuously swings at the bottom of the oxygen-permeable membrane to accelerate the contact of the oxygen-permeable membrane and pollutants in water.

An apparatus includes a nasal cannula having a nasal prong. The nasal prong includes a first end portion that defines an inlet opening, a second end portion that defines an outlet opening, and a middle portion. A side wall of the nasal prong defines a flow passage between the inlet opening and the outlet opening. The nasal prong is configured to be inserted within a nostril of a patient with the outlet opening disposed within the nostril. The inlet opening is fluidically coupled to a support tube to deliver a flow of the gas into the airway of the patient via the nasal prong. The side wall of the nasal prong defines a port that is in fluid communication with the flow passage. The port is fluidically coupled to a pressure sensor to take a series of pressure measurements within the flow passage during the delivery of the oxygen-containing gas.

The invention relates to the technical field of respirator masks, and particularly discloses a noninvasive respirator mask auxiliary fixing device which comprises a machine body, an air delivery pipe and a mask, one end of the air delivery pipe is connected to the machine body, the air delivery pipe is used for delivering oxygen, the mask is connected to the other end of the air delivery pipe, and the mask is worn on the face of a patient to form a closed air path space. The fixing rope is connected to the mask and used for fixing the mask, the judging assembly is connected to the mask, when a patient is treated, the judging assembly is used for monitoring whether the mask is sealed or not and judging whether the gas conveying pipe is blocked or not, and in the using process, the sealing state of the mask can be monitored in real time, oxygen leakage is prevented, and the mask is prevented from leaking. The adjusting assembly is connected to the mask and connected with the fixing rope, the adjusting assembly is used for adjusting the tightness degree of the fixing rope, and when the judging assembly judges that the mask leaks air, the adjusting assembly is started and adjusts the tightness degree of the fixing rope.

The invention discloses a handheld oxygen generator in the field of oxygen generation equipment, which comprises an air pump assembly, an air inlet assembly, an air outlet assembly, molecular sieve tanks and an oxygen storage tank, a pressure preparation gas tank is arranged on a gas path structure between the two molecular sieve tanks and the oxygen storage tank, and oxygen-enriched gas adsorbed by the molecular sieve tanks firstly enters the pressure preparation gas tank to be stored and then enters the pressure preparation gas tank to be stored; and after the gas in the pressure preparation gas tank reaches the required pressure, the gas enters the oxygen storage tank. In the oxygen production process, gas can generate standby pressure in the standby pressure gas tank, so that the pressure of the molecular sieve tank is kept in a high-pressure range, the adsorption capacity of the molecular sieve on nitrogen in air is improved, the oxygen content of the oxygen production gas is improved, and the oxygen production amount can still be met under the condition that the filling amount of the molecular sieve is reduced; therefore, the sizes of the molecular sieve tank and the whole oxygen generator are reduced. In addition, oxygen is collected through the pressure preparation gas tank, oxygen is conveyed to the oxygen storage tank after certain pressure preparation is achieved, oxygen in the oxygen storage tank can be promoted to be collected, the pressure is increased, and the oxygen output requirement in the oxygen using state is met.

This disclosure includes wound dressings and systems with remote oxygen generation for topical wound therapy and related methods. Some systems include a dressing for facilitating delivery of oxygen to the target tissue, the dressing having: a first manifold that defines a plurality of gas passageways and is configured to allow communication of oxygen to the target tissue; a gas-occlusive layer configured to be disposed over the first manifold and coupled to tissue surrounding the target tissue such that: an interior volume is defined between the gas-occlusive layer and the target tissue; and the gas-occlusive layer limits escape of oxygen from the interior volume between the gas-occlusive layer and the tissue surrounding the target tissue; a container outside the interior volume, the container having a sidewall that defines a chamber configured to be in fluid communication with the interior volume; and an oxygen-generating material disposed within the chamber of container and configured to release oxygen when exposed to water.

The invention relates to an oxygen generation control device capable of relieving driving fatigue, and belongs to the technical field of automobile safety and auxiliary driving, the oxygen generation control device comprises an oxygen generation shell, a top cover is clamped to the upper side of the oxygen generation shell, a bottom plate is clamped to the lower side of the oxygen generation shell, and a molecular sieve oxygen generation part is fixedly mounted on the right side in the oxygen generation shell; an air compression block is mounted on the left side of the molecular sieve oxygen generation part, an oxygen conveying assembly is arranged on the left side of the oxygen generation shell, and a clamping assembly is arranged on the back of the oxygen generation shell; the oxygen conveying assembly comprises a communicating pipe communicating with the left side of the oxygen generating shell. According to the oxygen generation control device capable of relieving the driving fatigue, the oxygen pipe at the end of the hose is inserted into the nostrils of a driver, and then the molecular sieve oxygen generation part and the air compression block are used for conveying oxygen into the oxygen pipe, so that sufficient oxygen is provided for the driver, the fatigue feeling caused by oxygen deficit is reduced, and the relieving effect is achieved.

The invention provides a high-temperature atmosphere firing device for detecting the ash content of high-purity graphite. The high-temperature atmosphere firing device comprises a supporting frame, a heating furnace connected with the supporting frame, a dustproof hearth arranged in the heating furnace, a controllable exhaust chimney, a multi-point temperature detection module, a distributed gas supply module and a control system. Oxygen can be uniformly conveyed into the dustproof hearth from the bottom of the heating furnace through the distributed gas supply module, so that a high-purity graphite sample in the dustproof hearth is in a high-concentration oxygen atmosphere, and intermediate products in reaction are discharged in time through the controllable exhaust chimney, so that the inhibition effect of the intermediate products is reduced; the optimal ashing condition can be established by adjusting the temperature, the oxygen flow, the exhaust speed and the like, so that all the samples are in a rapid burning reaction state, the overall reaction efficiency is improved, the efficient and rapid burning effect is achieved, no-wind-feeling and high-flow oxygen supply of the distributed gas supply module can effectively avoid pollution among the samples, and the service life of the samples is prolonged. And the detection accuracy of the ash content of the high-purity graphite is ensured.

The utility model provides a movable oxygenation device for aquaculture water, and belongs to the technical field of aquaculture equipment. Comprising an annular frame; the aeration part is positioned on the annular frame and is used for conveying oxygen into the culture water body; the limiting assembly is mounted on the annular frame and is arranged to enable the aeration part to perform aeration around the annular frame in the working process of the aeration part; the gas conveying pipe is positioned on the aeration part and is used for conveying oxygen to the aeration part; and the driving part is positioned on the annular frame. According to the utility model, the aeration part and the annular frame are arranged, so that the aeration pipe can rotate around the annular frame for aeration, and compared with aeration at a fixed position, oxygen can be widely and uniformly conveyed to different areas of an aquaculture water body, and the situation of local oxygen deficit is avoided; in addition, an annular frame structure composed of a plurality of groups of annular rings and a plurality of aeration pipes are arranged, so that the aeration area and the water body contact range are increased, the situation that all cultured organisms inhale oxygen at one place is avoided, and the safety of the equipment is improved.

The utility model relates to the technical field of medical oxygen generating equipment, and discloses medical oxygen generating equipment with good energy-saving effect, which comprises a bottom plate, an air compressor, a drying device, a first pipeline and an adsorption mechanism, the adsorption mechanism comprises molecular sieve adsorption towers symmetrically arranged at the upper end of the bottom plate, and baffles are arranged in the molecular sieve adsorption towers. A first cavity and a second cavity are symmetrically formed in the molecular sieve adsorption tower relative to the baffle, a second pipeline is arranged on one side of the molecular sieve adsorption tower, and a third pipeline is arranged on the side, away from the second pipeline, of the molecular sieve adsorption tower. According to the utility model, the molecular sieve adsorption tower is divided into the first cavity and the second cavity through the baffle plate, then gas is respectively conveyed into the first cavity and the second cavity through the second pipeline and is adsorbed through the first filler block and the second filler block, and then oxygen is conveyed through the cooperation of the third pipeline and the fourth pipeline; therefore, the molecular sieve filler block is fully utilized, and redundant energy consumption is avoided.

The present invention provides an aquaculture device, which relates to the field of aquaculture technology. The aquaculture device includes a breeding barrel, an electric field component, and an oxygenation component. The electric field component is arranged in the breeding barrel. The oxygenation component is arranged inside the breeding barrel, and the oxygenation component is used to transport oxygen into the water body. The aquaculture device provided by the embodiment of the present invention injects water into the breeding barrel through the water inlet for aquaculture. The electric field component can convert the kinetic energy generated by the movement of the water body due to fish swimming, water waves, and bubbles generated by the aeration process into electrical energy, and form an electric field in the water body to change the polarity of water molecules, thereby increasing the oxygen dissolving capacity of the water body. Through the cooperation of the electric field component and the oxygenation component, on the one hand, the oxygen content of the water body can be increased, thereby improving the efficiency of aquaculture; on the other hand, the electric field component efficiently collects and utilizes the kinetic energy generated by the movement of the water body to form an electric field, without the need for an additional power supply, thereby saving energy and reducing emissions, and reducing the cost of aquaculture.

The utility model discloses a water purification aeration device, which relates to the technical field of water conservancy project, and comprises a container, the upper surface of the container is fixedly connected with a protective tube, the top end of the protective tube is fixedly connected with a solar photovoltaic panel, one side of the bottom of the solar photovoltaic panel is fixedly connected with a connecting line, and the connecting line is fixedly connected with the water conservancy project. An aeration tank is fixedly connected to the other end of the connecting line, a fixing rod is movably connected to the surface of the aeration tank, and a motor assembly is fixedly connected to the bottom of the container; through the arrangement of the solar photovoltaic panel, the solar photovoltaic panel absorbs solar energy, converts the solar energy into electric energy, stores the electric energy and supplies the electric energy to the water body purification aeration device for operation, additional energy is not needed, energy consumption is saved, and green energy is provided; the stirring blades are used for stirring in water, so that the water circulates and reciprocates, oxygen is fully dissolved in the water, and the water purification efficiency is improved.

The utility model discloses a closed oxyhydrogen fuel cell power generation system which comprises a fuel cell stack and a circulating pump, the fuel cell stack is respectively connected with the circulating pump, an oxygen tank and a hydrogen tank, oxygen is conveyed to the fuel cell stack through the oxygen tank, hydrogen is conveyed to the fuel cell stack through the hydrogen tank, and the circulating pump is connected with the circulating pump. And cyclic utilization of oxygen is realized through the circulating pump. According to the utility model, the unreacted oxygen is recycled through the circulating pump, the pressure of the oxygen and hydrogen before entering the fuel cell stack is monitored while the oxygen and hydrogen are conveyed, and the opening degrees of the oxygen inlet electromagnetic valve and the hydrogen inlet electromagnetic valve are regulated according to the pressure; the problem of backflow caused by too large oxygen pressure of a circulation path before oxygen enters a reactor is solved by arranging a first check valve, gas pumped by a four-way connector cannot reversely flow into a circulation pump by arranging a second check valve, and a hydrogen pulse discharge electromagnetic valve and an oxygen pulse discharge electromagnetic valve are designed to be intermittently opened; hydrogen and oxygen can fully react, and the gas utilization rate is increased.

The invention discloses electronic integrated chip manufacturing equipment and a preparation method thereof in the technical field of electronic integrated chips, and the equipment comprises a box body and a partition plate, the partition plate is arranged in the box body, a plurality of strip-shaped holes are embedded in the surface of the partition plate, a sliding rail is arranged on one side of the partition plate, a wafer is arranged in the sliding rail, and a heating wire is arranged on one side of the partition plate. The two partition plates are arranged on the two sides of the box body respectively, a temperature sensor is arranged on one side of each partition plate, an alarm is arranged on the top of the box body, the alarm is electrically connected with the temperature sensors, and an oxygen generator is arranged on the top of the box body. The partition plates, the strip-shaped holes, the sliding rails, the wafers, the heating wires, the temperature sensors, the alarm and the oxygen generator are arranged, and the heating wires are arranged on the two sides of the box body; therefore, the wafer is uniformly heated during heating, the product quality can be effectively improved, the oxygen generator can convey oxygen into the box body during heating, the oxidation speed of the wafer is increased, silicon dioxide is rapidly generated on the surface of the wafer, and the production efficiency is improved.

An electrolytic cell (1) for producing hydrogen, comprising a stack of bipolar electrodes (9) that sandwich an ion transport membrane (2) between every two of the bipolar electrodes. Each bipolar electrode comprises two metal plates (9A, 9B) welded together back to back, forming a coolant compartment between them and having a respective anode surface and an opposite cathode surface, each metal plate abutting one of the membranes. The plates (9A, 9B) are embossed with primary vertical channels (10A, 10B) and secondary channels (11A, 11B) in a herringbone pattern for conveying oxygen and hydrogen. Embossed herringbone patterns are provided on both sides of the metal plates (9A, 9B) so as to also provide herringbone-pattern coolant channels (11B) within the coolant compartments.

The utility model discloses a desulfurization device for chemical energy waste liquid, which relates to the technical field of waste liquid treatment and comprises a desulfurization barrel, a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe are arranged on the desulfurization barrel, and a valve is mounted on the liquid outlet pipe. A gas supply assembly for conveying oxygen into the desulfurization barrel is arranged in the desulfurization barrel, the gas supply assembly comprises a hollow shaft pipe rotationally mounted on the top wall of the desulfurization barrel, a gas inlet box is fixedly connected to the bottom end of the hollow shaft pipe, and a plurality of gas distribution pipes are arranged on the outer wall of the gas inlet box; the multiple gas distribution pipes are arranged on the gas inlet box in a circumferential array mode, and a plurality of gas outlet holes are formed in the outer walls of the gas distribution pipes at equal intervals. The utility model solves the problems that the oxygen is directly injected into the wastewater to generate larger air bubbles which are not beneficial to the reaction between the oxygen in the air and the sulfide and the efficiency is lower when the oxygen is used for aerating the sulfide in the wastewater.

The invention provides an air conditioner and a control method thereof.The air conditioner comprises a fresh air device and an oxygen generation device, the fresh air device comprises a fresh air device body and a fresh air pipe connected to the fresh air device body, and the fresh air pipe is provided with an outdoor pipe section located outdoors; the oxygen generating device comprises an oxygen generating device body and an oxygen conveying pipe connected to the oxygen generating device body, and the oxygen conveying pipe is communicated with the outdoor pipe section. According to the air conditioner, due to the fact that the oxygen conveying pipe of the oxygen generating device is directly communicated with the outdoor pipe section of the fresh air pipe of the fresh air device outdoors, the oxygen generating device can convey oxygen into the room through the fresh air pipe, and equivalently, only one fresh air pipe is connected between the indoor unit and the outdoor unit of the air conditioner with the fresh air device and the oxygen generating device; the indoor unit does not need to reserve an installation space for the oxygen conveying pipe, and therefore the size of the indoor unit can be reduced. Meanwhile, compared with the mode that the fresh air pipe and the oxygen production pipe penetrate through the wall at the same time, the occupied space is smaller when a single pipe penetrates through the wall, and installation, cleaning and maintenance are easier and more convenient.

The invention provides semi-solid slurry preparing and forming integrated equipment, and relates to the technical field of metal casting, the semi-solid slurry preparing and forming integrated equipment comprises a heating cavity, a heating coil is arranged on the outer side of the heating cavity, a stirring shaft is arranged in the heating cavity, a piston cylinder body is fixedly installed above the heating cavity, and an air exchange hole is formed in the piston cylinder body; a spiral condensation plate is arranged in the piston cylinder body, a sealing piston is installed in the piston cylinder body in a sliding mode, a pressure adjusting mechanism is arranged above the heating cavity, and the pressure adjusting mechanism can convey oxygen into the heating cavity through cooperation of the sealing piston and the piston cylinder body. The sealing piston is driven by the air cylinder to be matched with the piston cylinder body, in cooperation with the real-time monitoring and signal transmission functions of the pressure detection meter, gas can be automatically conveyed into the heating cavity, the pressure is kept stable, the sealing ring on the sealing piston guarantees the sealing effect, the pressurization one-way valve prevents airflow from flowing back, and pressure is rapidly supplemented when the pressure is lower than a preset value.

The utility model relates to a combustion head assembly and a coiled tubing, the combustion head assembly comprises a combustion head, the combustion head is provided with a combustion-supporting channel used for conveying combustion-supporting gas, the combustion head is provided with an oxygen channel used for conveying oxygen, and the combustion head is provided with an electric ignition device; the protective cover comprises a cover body, the cover body is arranged at the end, provided with the electric ignition device, of the combustion head, the cover body is provided with a containing space used for containing the electric ignition device, and the cover body is provided with a first hole communicated with the containing space. The protective cover can prevent the electric ignition device of the combustion head from being damaged by the impact force of the sleeve, the first hole is formed in the cover body, it can be ensured that combustion-supporting gas is released to an underground gasification reaction area through the first hole, meanwhile, the gas can be prevented from being ignited in a sealed environment to cause explosion, and the safety of the combustion process is improved.

The utility model provides a positive pressure breathing mask, which relates to the technical field of breathing masks, and comprises a mask body, an air inlet pipe is arranged on one side of the mask body, a reinforcing device is arranged on one side of the air inlet pipe, the reinforcing device comprises a frame, a connecting device is arranged between the frame and the air inlet pipe, and the connecting device is connected with the air inlet pipe. Two first threaded holes are symmetrically formed in the surface of the frame, screw rods are in threaded connection with the inner walls of the two first threaded holes, clamping plates are rotationally connected to the close ends of the two screw rods, and a plurality of rubber strips are fixedly connected to the close sides of the two clamping plates; by arranging the reinforcing device, the air pipe can be clamped and limited, the situation that the joint of the air pipe and the air inlet pipe is loosened and the air pipe is separated from the interior of the air inlet pipe to affect oxygen supply due to the fact that the air pipe is pressed to displace when conveying oxygen to the mask body is reduced, and the connection stability of the air pipe and the air inlet pipe is improved.

The utility model provides a kind of adjustable seed cultivation box, it is related to agricultural engineering technical field, including seed cultivation box, the inside of seed cultivation box is provided with seed cultivation adjusting assembly, the upside of seed cultivation tray is provided with three-way atomizing nozzle, the inside rear end of seed cultivation box is provided with moisture absorbing sponge, the left and right sides of fixed support are all provided with electric control light supplementing lamp, the inside top end of seed cultivation box is equipped with bus controller;According to the demand of seed growth stage to illumination, bus controller will control electric control light supplementing lamp automatic regulation illumination intensity and irradiation time, and electric control light supplementing lamp can be from two sides respectively seed in seed cultivation tray is irradiated, reduce illumination dead angle, cooperate oxygen content inductor real-time monitoring box oxygen concentration, if lower than set value, oxygen supply pump is automatically started, oxygen is transported to the box by oxygen supply port, ensure that seed is in sufficient oxygen environment Healthy growth, improve germination rate.

The present invention discloses an oxygen lance valve station control system and an oxygen lance valve station control method, and relates to the technical field of oxygen bottom blowing smelting. The oxygen lance valve station control system of the present invention comprises a lance body, a first branch pipe, a second branch pipe, a third branch pipe, a flow sensor and a controller, the lance body having a first channel and a second channel, the first branch pipe being connected to the first channel and used for conveying oxygen-enriched air, the second branch pipe being connected to the second channel and used for conveying protective gas, the third branch pipe being used for conveying oxygen and being connected to the first branch pipe or the second branch pipe, the flow sensor being arranged on the first branch pipe and being connected to the controller, the flow sensor being used for conveying the measured flow value to the controller, and the controller being connected to the control valve to control the opening or closing of the control valve. The oxygen lance valve station control system of the present invention can accurately control the cooling effect of the oxygen lance, and ensure the normal use of the oxygen lance and the smelting efficiency of the smelting furnace while extending the service life of the oxygen lance.

The utility model relates to an oxygen bag flow adjusting device which comprises an oxygen bag body and an adjusting mechanism, a connecting pipe is arranged on the oxygen bag body, and a connecting sleeve is arranged at one end of the connecting pipe. Wherein the adjusting mechanism comprises an oxygen conveying pipe, a flow meter and a valve body are arranged on the oxygen conveying pipe, an adjusting rod is rotationally arranged in the valve body, a connecting frame is arranged on the upper end face of the valve body, and a ball valve element is arranged at one end of the adjusting rod. According to the oxygen bag flow adjusting device, by arranging the adjusting mechanism, when the oxygen bag body is used for conveying oxygen, a rotary knob is pressed downwards, so that a connecting groove formed in the rotary knob is connected with a limiting strip arranged on the outer side of an adjusting rod, then the rotary knob is rotated to drive a ball valve element connected with the adjusting rod to rotate, and therefore the effect of adjusting the oxygen flow is achieved; the situation that in the using process of the oxygen bag body, flow adjustment of the oxygen bag body changes due to the fact that the knob is accidentally touched is reduced.

This invention discloses an electrolytic water hydrogen-oxygen welding and cutting device, relating to the field of flame welding and cutting technology. The device includes a reaction assembly, a movable base, and a support assembly. It further includes: a shell mounted on the support assembly, containing an inner tube for hydrogen delivery; a sleeve on the outer side of the inner tube; a gap between the sleeve and the inner tube forming an oxygen delivery chamber; and a gap between the sleeve and the shell forming a cooling chamber; and a connector fixed to the lower end of the shell, containing an annular cavity communicating with the cooling chamber; and an outlet nozzle installed at the bottom of the connector. Through the coaxially nested inner tube, sleeve, and shell, hydrogen delivery, oxygen delivery, and water mist are isolated, achieving complete physical separation of fuel, combustion aid, and cooling medium during the delivery stage. This fundamentally eliminates the risk of pre-mixing combustible gases within the pipeline, strictly limiting the mixing point to a safe area outside the welding nozzle, significantly improving the safety level during equipment use.

An encapsulation device system for therapeutic applications such as but not limited to regulating blood glucose. The system may comprise an encapsulation device with a first oxygen sensor integrated inside the device and a second oxygen sensor disposed on an outer surface of the device, wherein the sensors allow for real-time measurements (such as oxygen levels) related to cells (e.g., islet cells, stem cell derived beta cells, etc.) housed in the encapsulation device. The system may also feature an exogenous oxygen delivery system operatively connected to the encapsulation device via a channel, wherein the exogenous oxygen delivery system is adapted to deliver oxygen to the encapsulation device.

This utility model relates to the field of bronchoscopy technology, specifically a bronchoscopy structure that improves practicality. It includes a tracheal section with several vent holes for oxygen delivery on its sidewalls, which are inserted into the trachea. The tracheal section has a through-tube inside. A handle is fixedly attached to the end of the tracheal section outside the body. A cavity is located inside the handle, and the cavity and the tracheal section's tubes are interconnected. An extension tube is connected through the sidewall of the handle, with one end penetrating the cavity of the handle. An oxygen delivery tube is inserted into the extension tube, passing through the tracheal section's tubes and extending to the end of the tracheal section away from the handle. The oxygen delivery tube passes through the tubes and exposes vent holes at different locations to deliver oxygen.

The invention relates to the technical field of medical instruments, and discloses a portable folding type breathing air bag device which comprises a breathing mask and connecting plates, a conveying pipe is arranged outside the breathing mask, a filter element is arranged in the conveying pipe, the other end of the conveying pipe is connected with a switching valve, and two contraction air bags are arranged between the two connecting plates. The tops of the two contraction air bags are connected with an air inlet pipe and an expiration pipe in a sealed mode respectively, the other end of the air inlet pipe and the other end of the expiration pipe are connected with a switching valve, the switching valve comprises a three-way spherical shell, a rotating ball valve, a rotating piece, a communicating pipe and a flow dividing pipe, the rotating ball valve comprises a valve body, and an air flow channel and an arc-shaped flow channel are formed in the valve body. A plurality of movable cavities are formed in the valve body, and one ends of the movable cavities communicate with the arc-shaped flow channel. According to the oxygen inhalation device, the oxygen conveying efficiency in the inhalation process is guaranteed, the cleanliness of conveyed oxygen is improved by means of the filtering characteristic of the filter element and the one-way conduction characteristic of the one-way valve, and sufficient and pure oxygen support is provided for a patient.

The application provides a system for accelerating deterioration of diesel oil in a storage state and a method for preparing deteriorated diesel oil, and relates to the technical field of fuel property detection for internal combustion engines. The system for accelerating deterioration of diesel oil in a storage state comprises a reaction kettle, an internal space of the reaction kettle is formed as a containing cavity, the containing cavity is configured to contain diesel oil, a catalyst wire mesh is installed at the upper part of the reaction kettle and located in the containing cavity, and is suitable for accelerating the speed of the deterioration reaction of the diesel oil; and a supply unit is configured to respectively supply oxygen and inert gas to the containing cavity according to preset delivery pressure and delivery flow rate, the oxygen is suitable for the deterioration reaction with the diesel oil in the atmosphere of the inert gas, and the time for preparing the deteriorated diesel oil can be shortened.

The embodiment of the invention provides a vehicle. The vehicle comprises an oxygen generator slot, an oxygen outlet pipeline, vehicle-mounted terminal equipment, a power supply interface and a communication interface, the oxygenerator slot is used for placing an oxygenerator; one end of the oxygen outlet pipeline is connected with an oxygen outlet of the oxygen generator, and the tail end is used for conveying oxygen to a main and co-driver position; the power supply interface is used for connecting a power interface of the oxygenerator; and the communication interface is used for establishing communication connection between the vehicle-mounted terminal equipment and the oxygen generator. The oxygenerator slot is arranged in the vehicle, the oxygenerator can be placed on the oxygenerator slot, and oxygen is supplied to passengers through the oxygen outlet pipeline, so that the passengers can use the oxygenerator in the vehicle. An independent fixing mechanism is designed, so that the device can be stably placed at a fixed position on a vehicle, and shaking and abnormal sound cannot be generated.

The invention relates to a method and system for controlling oxygen delivery in a flow therapy device. The present disclosure provides a control system for a flow therapy device. The control system may control a delivery oxygen fraction (FdO2) delivered to the patient. The control system may maintain FdO2 at a target level during a treatment session. The control system may automatically control the oxygen inlet valve in order to control the flow of oxygen to the patient.

The utility model relates to the technical field of transportation equipment for fish culture, in particular to a transportation device for fish culture, which comprises a transportation box, an oxygen assembly and a scattering assembly, the oxygen assembly comprises an air supply pipe and air outlets, the air supply pipe is a vortex-shaped pipe, the air outlets are uniformly arranged on the air supply pipe, and the air outlets face the axial direction of the air supply pipe; the scattering assembly comprises a protection net and a rotating paddle, the protection net is arranged above the air outlet, and the rotating paddle is arranged between the protection net and the air outlet. Through the arrangement of the air outlets, water in the transportation box is pushed to form vortexes when oxygen is conveyed, and flowing of the water enables oxygen supply in the transportation box to be more uniform, and meanwhile the vitality of the fishes can be kept; the protection net protects the fishes from being away from the rotating paddle and prevents the rotating rotating paddle from hurting the fishes; the rotating paddle and the vortex rotate in the same direction, bubbles discharged from the air outlet are smashed, the dissolving efficiency of oxygen in water is further improved, and meanwhile the vortex of water in the conveying box can be kept easily.