17 results about "Excess oxygen" patented technology

The invention discloses a macroporous distribution plate with a three-dimensional structure, which is arranged between a first-section regenerator and a second-section regenerator and comprises a distribution plate and a cylindrical hollow cylinder, the distribution plate is a partition plate of the first-section regenerator and the second-section regenerator, and a cylindrical hollow barrel is arranged in the center area of the distribution plate and is perpendicular to the distribution plate; the top of the hollow cylinder is closed, and the bottom is connected with the first-section regenerator; and holes are formed in the side wall of the cylinder. The problem of distribution of catalysts and flue gas from the first-section regenerator to the second-section regenerator is solved, fluidization of a second-section regeneration turbulent bed is stable, the transfer coefficient of excess oxygen in the flue gas of the first-section regenerator is increased, tail combustion of the flue gas in a dilute-phase space can be effectively controlled, and a new scheme is provided for an in-service device to solve the tail combustion problem.

The invention relates to the technical field of medical equipment, and discloses an external oxygen supply method, an external-oxygen-free oxygen supply method and a quantitative oxygen supply method, and provides three core modes: in an external oxygen supply mode, redundant oxygen during extrusion is recycled and reused through a gas storage bag, and overpressure is prevented in combination with a pressure release valve; in the oxygen supply mode without external oxygen, pure manual extrusion air supply is achieved through a shell which can be replaced or arranged outside the air bag in a sleeving mode, and the device adapts to the oxygen-source-free environment; in the quantitative oxygen supply mode, the inflatable inner bag is arranged in the air bag to accurately limit the oxygen storage space in advance, and accurate control over the single tidal volume is achieved. According to the invention, the oxygen utilization rate is obviously improved, the use safety is guaranteed, and the application capability of the simple respirator in precise ventilation and emergency scenes is expanded.

A method (200) for determining the total flow rate of exhaust gas exiting a gas exchange device (110) coupled to the circulatory system of a patient (10) is disclosed. The gas exchange device is configured to provide oxygen-rich blood to the circulatory system by exposing oxygen-deficient blood to oxygen provided by an incoming gas and to allow the passage of excess oxygen into the exhaust gas. The method involves the step of determining the total flow rate of exhaust gas from the concentration and flow rate of oxygen leaving the gas exchange device. The concentration is recovered from a sensor, while the flow rate is determined based on a mass equilibrium approach, and the amount of oxygen leaving the gas exchange device corresponds to the difference between the amount of oxygen supplied to the gas exchange device and the amount of oxygen absorbed by the blood during gas exchange.

The invention discloses a flow control device for improving the oxygen concentration of a PSA oxygen generator under the low flow condition. The flow control device comprises a compressor, a diverter valve, an oxygen tank and a standby molecular sieve tank and a usable molecular sieve tank, an oxygen inlet, a first outlet and a second outlet are formed in a valve body of the flow dividing valve, a valve assembly is arranged on the valve body, and the valve assembly can adjust the gas path sectional area of a first gas path and the gas path sectional area of a second gas path. An outlet of the compressor is connected with an inlet of the molecular sieve tank, an outlet of the molecular sieve tank is connected with an inlet of the oxygen tank, an outlet of the oxygen tank is connected with an inlet of the diverter valve, and the first outlet is connected with the downstream assembly. By arranging the flow divider valve, the flow of oxygen discharged from the molecular sieve tank is not limited, flow division operation is carried out, redundant oxygen is discharged or recycled, gas output is not limited, the oxygen generator is made to run within the working flow range with the highest oxygen concentration all the time, the nitrogen breakdown effect is avoided, and the service life of the oxygen generator is prolonged. And it is ensured that the oxygen concentration can meet the use requirement under the low-flow condition.

The invention belongs to the technical field of intelligent cabin oxygen supplementation, and discloses intelligent cabin pressurizing and oxygen supplementation equipment based on high altitude, which comprises an oxygen pressurizer, the input end of the oxygen pressurizer is communicated with a first pipeline, and one end of a buffer pipeline is provided with a buffer protection mechanism. According to the device, after an oxygen supercharger converts low-pressure oxygen into high-pressure oxygen, the high-pressure oxygen is input into a cabin through a gas conveying pipeline, when the internal converted oxygen pressure intensity is too large, redundant oxygen with the too large pressure intensity enters the interior of a buffer pipeline and makes contact with a valve clack to extrude the valve clack, the valve clack rotates, and therefore the oxygen pressure intensity is reduced; after the valve clack rotates, oxygen can pass through, resistance is provided when the limiting piston moves, then resistance is provided for the valve clack, the valve clack can be buffered when being extruded by the oxygen, and the oxygen can pass through only when the resistance is larger than the resistance provided by the limiting piston; in this way, the purpose of buffering supplied oxygen when the device supplies oxygen to the intelligent cabin is achieved.

The invention discloses a combustor, a gas stove and an integrated electric appliance. The burner comprises a first surface, the first surface is a plane, a first fire hole and a second fire hole are formed in the first surface, the first fire hole is suitable for spraying out fuel gas and blast air, and the second fire hole is suitable for spraying out fuel gas and injection air. The first fire hole is used for spraying out gas and blast air, the blast air provides sufficient oxygen to enable the gas sprayed out of the first fire hole to be fully combusted, and the blast air can generate redundant oxygen to assist the combustion of the gas sprayed out of the second fire hole. In this way, fuel gas sprayed out of the second fire opening can be fully combusted under the action of redundant oxygen provided by the ejection air and the blast air, finally fuel gas sprayed out of the first fire opening and the second fire opening is fully combusted, the combustion efficiency is high, improvement of the heat efficiency of the gas stove is facilitated, and the service life of the gas stove is prolonged. In addition, the first fire hole and the second fire hole are formed in the first surface, and the first surface is a plane, so that the fire cover is convenient to clean, and the first fire hole and the second fire hole are prevented from being blocked.

A method (200) for determining a total flow rate of exhaust gas leaving a gas exchange device (110) coupled to a circulatory system of a patient (10) is disclosed. The gas exchange device is configured to provide oxygen-rich blood to the circulatory system by exposing oxygen-poor blood to oxygen provided by an inlet gas and to allow excess oxygen to enter the exhaust gas. The method involves determining the total flow rate of the exhaust gas from a concentration and a flow rate of oxygen leaving the gas exchange device. The concentration is retrieved from a sensor, while the flow rate is determined based on a mass balance approach, wherein the amount of oxygen leaving the gas exchange device corresponds to the difference between the amount of oxygen supplied to the gas exchange device and the amount of oxygen taken up by the blood during gas exchange.

The invention discloses a combustor, a gas stove and an integrated electric appliance. The burner comprises a first fire outlet and a second fire outlet, the first fire outlet is far away from the center of the burner relative to the second fire outlet, one of the first fire outlet and the second fire outlet is suitable for spraying out fuel gas and blast air, and the other one of the first fire outlet and the second fire outlet is suitable for spraying out fuel gas and injection air. According to the technical scheme, one of the first fire outlet and the second fire outlet can be used for spraying out fuel gas and blast air, and the blast air provides sufficient oxygen so that the fuel gas sprayed out of the first fire outlet and the second fire outlet can be fully combusted; and the blast air can generate redundant oxygen to assist the combustion of the fuel gas ejected from the other one of the first fire outlet and the second fire outlet, so that the fuel gas ejected from the other one of the first fire outlet and the second fire outlet can be fully combusted under the action of the redundant oxygen provided by the ejection air and the blast air. And the improvement of the heat efficiency of the gas stove is facilitated.

The invention discloses a combustor, a gas stove and an integrated electric appliance. The burner comprises a first fire hole and a second fire hole, the first fire hole is suitable for spraying out fuel gas and blast air, the second fire hole is suitable for spraying out fuel gas and injection air, and the second fire hole is close to the center of the burner relative to the first fire hole. According to the technical scheme, fuel gas and blast air are sprayed out through the first fire hole, the blast air provides sufficient oxygen so that the fuel gas sprayed out through the first fire hole can be fully combusted, and redundant oxygen can be generated by the blast air to assist combustion of the fuel gas sprayed out through the second fire hole; in this way, gas sprayed out of the second fire opening can be fully combusted under the action of redundant oxygen provided by the ejection air and the blast air, finally, the gas sprayed out of the first fire opening and the second fire opening is fully combusted, the combustion efficiency is high, and improvement of the heat efficiency of the gas stove is facilitated.

The present invention belongs to the technical field of oxygen supply equipment and relates to an attached type local oxygen supply system, which comprises an oxygen generator, a first static pressure box, an oxygen supply pipe and a terminal oxygen supply device connected in sequence; an air inlet and an oxygen inlet are arranged on the first static pressure box, and the oxygen inlet is connected to an outdoor oxygen generator; the terminal oxygen supply device comprises a box body, an air inlet is arranged at the top of the box body, the air inlet is connected to the first static pressure box through the oxygen supply pipe, a flow equalizing orifice plate is arranged in the upper part of the box body, a second static pressure box is arranged in the lower part, a slot air outlet is arranged at the bottom of the box body, and a deflector with an adjustable angle is connected to the position corresponding to the slot air outlet. The attached oxygen supply directly sends the oxygen-rich air flow along the wall surface and the deflector to the personnel breathing area, so that the local oxygen enrichment rate in the breathing area is rapidly increased, the excess oxygen amount diffuses along the ground to form an air lake, and gradually diffuses upward to increase the global oxygen enrichment rate; the deflector directly conveys the oxygen-rich air flow to the personnel breathing area, so that the oxygen enrichment rate in the whole space ranges from the target area to the whole, reducing the total oxygen supply amount.

An extracorporeal membrane oxygenation (ECMO) system for infusing blood with oxygen and for removing carbon dioxide from blood includes a mobile oxygen storage device to provide oxygen to an oxygenator while the patient is either stationary or in ambulation. While the patient is stationary, the oxygen storage device supplies oxygen to the oxygenator for a wall oxygen supply, and excess oxygen from the wall supply additionally refills a reserve oxygen tank. While the patient is ambulating, the oxygen storage device supplies oxygen to the oxygenator for an oxygen concentrator that is supplemented from the oxygen tank, and excess oxygen from the concentrator additionally refills the oxygen tank.

The present application relates to the technical field of medical apparatus and instruments, in particular to a pediatric breathing machine gas supply mechanism with automatic compensation and pressure maintenance, which comprises a machine body, a first piston, a second piston and a pressure relief valve, a first chamber, a second chamber and a third chamber are respectively arranged in the machine body, the first piston and the second piston are respectively slidably arranged in the second chamber and the third chamber, the pressure relief valve is fixedly arranged on the machine body and communicates with the first chamber, a self-adaptive compensation assembly that cooperates with the first piston and the second piston is arranged in the machine body, and the self-adaptive compensation assembly is connected with the pressure relief valve through a transmission structure, through the cooperation of the first piston, the second piston, the self-adaptive compensation assembly, the pressure relief valve and the transmission structure, the capacity of the first chamber is expanded, the excess oxygen is discharged in time, the harm caused by the continuous increase of pressure to the patient is effectively avoided, and the self-adaptive compensation assembly can quickly drive the first piston and the second piston to approach each other, so that the capacity of the first chamber is quickly reduced to restore the pressure.

The invention discloses a hydrogen-oxygen combination device and a method for producing deuterium-rich water, the hydrogen-oxygen combination device comprises: a material supply device for providing oxygen and inert gas for a recycle gas supercharging device, and respectively providing deuterium / hydrogen with a set proportion and supplementing oxygen for a gas mixing device; the circulating gas pressurizing device receives oxygen and inert gas, mixes and pressurizes the oxygen and the inert gas to form pressurized circulating gas, and quantitatively supplies the pressurized circulating gas to the gas mixing device; the gas mixing device is used for receiving deuterium / hydrogen, supplementing oxygen and pressurizing circulating gas and carrying out homogeneous mixing to form mixed gas to be supplied to the reaction device; the reaction device receives the mixed gas, deuterium / hydrogen in the mixed gas is in contact with excessive oxygen and completely reacts with the excessive oxygen, and a gas-liquid mixture generated after the complete reaction is fed into the gas-liquid separation device; and the gas-liquid separation device is used for receiving the gas-liquid mixture and separating and collecting liquid-phase heavy water, and the gas phase returns to the circulating gas supercharging device through a circulating gas return pipe. The invention provides an industrial solution with safety, reaction efficiency and operation stability.

Provided herein are systems and methods for using pure hydrogen as fuel in a turbocharged fuel cell. A vehicle may include a storage (200) configured to store pressurized hydrogen, a fuel cell (204), a catalytic converter (226), and a turbo compressor (220, 224). The fuel cell includes an anode loop fluidically coupled to the storage and configured to receive the pressurized hydrogen therefrom, and a cathode loop configured to receive oxygen. The catalytic converter, arranged downstream from the anode loop, recovers excess hydrogen from the pressurized hydrogen used by the anode loop and recovers excess oxygen from the oxygen used by the cathode loop. The turbo compressor includes an expander (224) to recover heat from the catalytic converter (226).

The invention discloses a post-exercise excessive oxygen consumption estimation method and system and an interaction system. The estimation method comprises the steps that the maximum oxygen uptake percentage% vo2max at the ith moment in the riding process is obtained; based on an EPOC cumulative generation speed estimation model vepoc, calculating an EPOC cumulative generation speed vepoc at the ith moment; and on the basis of the obtained vepoc, the obtained vo2max and the obtained eoc0, obtaining the EPOC cumulant eocc at the ith moment: eocc = eoc0 + veoc.vo2max * t. According to the method, the EPOC can be accurately estimated according to the oxygen uptake condition of the riding user, the time period of the estimation method is from the beginning of the exercise to the end of the exercise, additional testing after the exercise is completed is not needed, and the riding experience of the riding user is improved.

The aquatic product transportation or temporary rearing water tank series connection oxygen supply structure comprises aquatic product boxes, sealing openings matched with the aquatic product boxes are formed in the aquatic product boxes, liquid oxygen is communicated with the aquatic product boxes through air channels, a main valve is arranged at the end of each air channel, and the aquatic product boxes are connected in series through branch air channels; a plurality of aquatic product boxes are connected in series through branch air channels, aquatic product box air inlet and outlet valves are arranged at the connecting positions of the branch air channels and a main air channel, and air inlet valves and air return valves are arranged on the two sides of each aquatic product box. The air valve and the air return valve are sequentially opened, enough oxygen is injected into the aquatic product box, redundant oxygen enters the aquatic product box communicated with the next branch air channel through the air return valve, and the rest can be done in the same way, so that serial oxygenation is formed, the purpose of saving oxygen is achieved, the sealing cover is used for increasing the pressure in the bin, oxygen is more easily dissolved in water, and aquatic products can more conveniently inhale oxygen.

This application belongs to the field of display technology and relates to a thin film, which includes a compound; this application also relates to a light-emitting device and a display device; the technical solution provided by this application can reduce excess oxygen-containing free radicals through compounds, thereby improving the photoelectric performance and service life of the light-emitting device.