28results about How to "High oxygen utilization" patented technology

A fluid delivery device for an eye is provided. The fluid delivery device includes a first component; a second component connected to the first component and forming a fluid-tight chamber with the first component, the chamber being adapted to contain a drug solution to be delivered; the plurality of microneedles are arranged on the first part in a penetrating manner, and the microneedles are arranged to establish a fluid delivery channel which is in fluid communication with the cavity between the first part and the to-be-treated part of the eye when the first part is attached to the eye of the subject; the gas release layer is located in the cavity, and the gas release layer is arranged to release gas into the cavity. The fluid delivery device not only can deliver a drug solution, but also can deliver environment gas expected by treatment, and is simple to operate and convenient to dispose after being used.

The invention discloses a hydrogen fuel cell cathode gas supply system which comprises a hydrogen fuel stack, and a gas separator, a gas-liquid separator and a circulating fan are sequentially connected between a cathode inlet of the hydrogen fuel stack and a cathode outlet of the hydrogen fuel stack to form a residual oxygen circulation loop; a layer of oxygen separation membrane is arranged in the gas separator to divide the gas separator into a compressed gas cavity and an oxygen gas cavity; the gas-liquid separator and a cathode inlet of the fuel stack are respectively connected to two sides of the oxygen gas cavity; an exhaust electromagnetic valve is arranged on one side of the compressed gas cavity, and the other side of the compressed gas cavity is sequentially connected with a gas compressor and an air filter to form a fresh air inlet path; the method has the advantages that the membrane electrode can be kept moist, the reaction time can be prolonged, and the oxygen concentration and the utilization rate can be improved.

The utility model discloses an oxygen -enriched bottom -blowing smelting furnace structure, include: base, the top surface symmetrical fixed connection of base has the support, smelting furnace main part, and the both ends of smelting furnace main part are respectively sleeved and have the closed cylinder, and the closed cylinder rotation is connected on the support, and the end plate is fixed in the closed cylinder end, and the rotating assembly is arranged between the closed cylinder and smelting furnace main part, and the closed cylinder bottom is installed with the discharge gate in rear end, and the smelting furnace main part is opened with the discharge port, transmission mechanism, and transmission mechanism includes transmission assembly and support component, cooling module, and cooling module is arranged in smelting furnace main part, and the air inlet spray head, and the air inlet spray head detachable connection is in the bottom of smelting furnace main part, and monitoring module, and monitoring module is installed in smelting furnace main part. The oxygen -enriched bottom -blowing smelting furnace can pass through the furnace body rotation and bottom -blowing oxygen -enriched and promote the reaction efficiency and the uniformity, and the utility model discloses can pass through the furnace body rotation and bottom -blowing oxygen -enriched and promote the reaction efficiency and the uniformity, and have efficient, easy maintenance, safe and stable and environmental protection adaptability.

This invention provides a multi-stage, multi-angle, rapid diffusion oxygen dissolving three-dimensional non-clogging microbubble aerator. An air inlet pipe and an air pipe are sequentially connected along the air inlet direction. A rapid microbubble cutting and diffusion oxygen dissolving unit is fitted outside the air inlet pipe. An inner cylinder and an outer cylinder are sequentially fitted outside the air pipe from the inside to the outside. The inner cylinder has a first inner cylinder section, a second inner cylinder section, and a third inner cylinder section sequentially along the air inlet direction. A medium-sized bubble cutting and diffusion oxygen dissolving unit is installed on the outer wall of the first inner cylinder section, a large bubble cutting and diffusion oxygen dissolving unit is installed on the outer wall of the second inner cylinder section, and an air guiding unit is installed on the outer wall of the third inner cylinder section. An air diffuser unit is installed at the air outlet of the air pipe. This multi-stage, multi-angle, rapid diffusion oxygen dissolving three-dimensional non-clogging microbubble aerator effectively cuts air into microbubbles, effectively solving the problems of clogging and short lifespan of traditional aerators after long-term use, and is suitable for aerobic aeration treatment.

The invention discloses an atmosphere sintering furnace and a degreasing sintering method, and relates to the technical field of sintering equipment. The atmosphere sintering furnace comprises a furnace body, a negative pressure device, a blower device and an oxygen circulation system; a first air outlet of the furnace body is connected and communicated with an air inlet of the negative pressure device, and a first air inlet of the furnace body is connected and communicated with an air outlet of the blower device; the oxygen circulating system comprises an oxygen cooling device, an oxygen purifying device, a pressurizing device and a pure oxygen storage tank which are connected and communicated in sequence; a second gas outlet of the furnace body is connected and communicated with a gas inlet of the oxygen cooling device, and the second gas outlet of the furnace body is connected and communicated with a gas outlet of the pure oxygen storage tank; electric control valves are arranged in all the air outlets and all the air inlets, and all the electric control valves are connected with the control system in an electric control mode. During degreasing, the inside of the furnace is pumped to set negative pressure, exhaust of waste gas generated by a binder in a blank is accelerated through cooperation with the blower device, oxygen circulation is achieved during sintering, and oxygen waste is avoided.

The invention discloses a modified sugarcane activated carbon electrode material and a preparation method and application thereof. The method comprises the following steps: preparing sugarcane activated carbon powder, adding the carbon powder into absolute ethyl alcohol, then adding polytetrafluoroethylene, heating and stirring until gel appears, so as to prepare activated carbon gel; coating the activated carbon gel on the surface of the foamed nickel, drying, pressing by a tablet press, and calcining to obtain a sugarcane activated carbon electrode; the preparation method comprises the following steps: dissolving Pllronic F127, CoCl3. 6H2O and CH3COOH in water, stirring to obtain a solution, adding a sugarcane activated carbon electrode and 2-aminoterephthalic acid, stirring, and carrying out a hydrothermal reaction to obtain the modified sugarcane activated carbon electrode material. The prepared modified sugarcane activated carbon electrode material has high oxygen utilization rate, has high degradation efficiency on pollutants without aeration, and solves the problem of high energy consumption caused by an aeration device in electro-Fenton.

The present invention provides a nozzle for a gas-particle two-phase suspension metallurgical process, wherein the concentrate is first mixed with swirl wind to produce a premixing effect, and the concentrate particles are dispersed more evenly under the action of the swirl wind. The dispersion of the premixed concentrate and swirl wind is further enhanced by the flow-guiding effect of the guide cone surface. The distributed wind coming out of the dispersed flow channel outlet of the dispersed surface further disperses the concentrate moving there, and the degree of mixing with the peripheral process wind is more sufficient and uniform, thereby improving the concentrate combustion effect, strengthening the mass transfer and heat transfer rates in the reaction tower, helping to improve the equipment capacity, and effectively reducing the smoke dust occurrence rate and the SO3 generation rate in the flue gas.

The application discloses a fresh water circulating aquaculture whole-process water treatment system and method, and belongs to the technical field of circulating aquaculture water treatment. The system comprises a water inlet treatment subsystem, an aquaculture pond subsystem and a tail water treatment subsystem which are sequentially and circularly connected. The water inlet treatment subsystem comprises a water storage tank, a sand filter tank and a filtered water tank which are sequentially connected. The aquaculture pond subsystem comprises a plurality of aquaculture pond circulation combinations, and each aquaculture pond circulation combination comprises an aquaculture pond cluster, a first microfilter, a circulating pump pond, a biological aerated filter, a disinfection pond, a decarbonization device and an oxygenation and temperature adjustment pond which are sequentially and circularly connected. The tail water treatment subsystem comprises a second microfilter, a sulfur autotrophic denitrification pond and an SBR reaction pond cluster which are sequentially connected. The system integrates fresh water circulating water treatment, tail water treatment and source water treatment, can meet the requirements of medium and large fresh water circulating aquaculture plants on aquaculture water quality, can save land occupation and investment, and meets the requirements of green and sustainable development.

The utility model provides a membrane biological reaction device. The membrane biological reaction device comprises a reaction mechanism and a water production mechanism, the reaction mechanism comprises a reaction container and aeration equipment located at the bottom of the reaction container, and the aeration equipment is used for aerating wastewater in a local space in the reaction container, so that an aerobic region, an anoxic region and an anaerobic region are formed in the reaction container; the water producing mechanism comprises a water collecting assembly and a filtering membrane box, and the filtering membrane box is located at the top in the reaction container and connected with the water collecting assembly; the membrane biological reaction device further comprises a monitoring mechanism and a dosing mechanism which are connected with each other, the monitoring mechanism is used for monitoring specific parameters of water liquid of the water collecting assembly, and the dosing mechanism is used for adding corresponding medicaments into the reaction container based on the specific parameters. Through the application, the denitrification effect can be achieved in the single reaction container, the operation of the wastewater treatment system is simplified, a certain occupied area is saved, the wastewater treatment cost is reduced, and the wastewater treatment efficiency is improved.

The utility model discloses a wastewater treatment device, the device comprises a cavitation oxidation unit and an oxidation reaction unit communicated with the cavitation oxidation unit, the cavitation oxidation unit utilizes the combination of a hydrodynamic cavitation reactor and an ozone generator to enable ozone oxidation and cavitation oxidation to act synergistically, and the oxidation reaction unit is communicated with the oxidation reaction unit. Substances such as polychlorinated biphenyl and micromolecular carboxylic acid which cannot be thoroughly treated by a wet oxidation reactor are effectively treated, and the effluent quality is improved.

The invention relates to the technical field of water treatment, in particular to a wetland water quality purification system based on microbubble aeration, which comprises a pretreatment area, a U-shaped vertical flow purification area and a rear overflow dam which are sequentially arranged from front to back, the pretreatment area comprises a front filter bed, a sedimentation tank and a porous overflow dam, a partition wall is arranged between the porous overflow dam and the rear overflow dam, and partition holes through which water flows are formed in the bottom of the outer wall of the partition wall; the U-shaped vertical flow purification area comprises an aerobic area, an anaerobic area, a facultative aerobic area and an enhanced reoxygenation area; the aerobic area and the anaerobic area are respectively formed on the surface of a cavity between the partition wall and the porous overflow dam and below the cavity; and the facultative aerobic region and the enhanced reoxygenation region are respectively formed below and on the surface of the cavity between the partition wall and the rear overflow dam. Water flow passes through the pretreatment area for preliminary pollutant removal, and the water flow passes through the U-shaped vertical flow purification area, so that pollutant removal can be improved.

This invention discloses an internal and external dual-circulation airlift aerobic fermentation device, relating to the field of microbial aerobic fermentation. The device includes a gas conveying system, a fermenter, a circulating pump, a circulating cooler, a liquid distributor, a liquid-gas jet emulsification device, a gas distributor, a guide tube, an internal coil heat exchanger, and a circulating liquid suction device. This invention utilizes multiple centrally symmetrical liquid-gas jet emulsification devices within the fermenter, employing high-speed liquid flow to strongly shear and collide with the gas phase, breaking the air into micron-sized fine bubbles, thus significantly increasing the gas-liquid contact surface area. Simultaneously, the use of rotating jets and a guide tube design ensures thorough mixing of the gas and liquid phases during the jetting process, forming an innovative internal and external dual-circulation mode. This invention combines the advantages of traditional mechanical stirring and airlift fermenters, significantly improving the production capacity and oxygen utilization rate of the fermentation device while substantially reducing energy consumption.

The utility model discloses a rural domestic sewage treatment system, which solves the problems of large occupied area, low load, high energy consumption, large investment, high operating cost and non-ideal treatment effect in the prior art, and comprises a septic tank, an anaerobic regulating tank and micro-power equipment, wherein an outlet of the septic tank is communicated with an inlet of the anaerobic regulating tank, supernate in the septic tank flows into the anaerobic regulating tank in a self-flowing manner, an outlet of the anaerobic regulating tank is communicated with an inlet of the micro-power equipment, and effluent of the anaerobic regulating tank flows into the micro-power equipment in a self-flowing manner; the micro-power equipment is of a concentric circle structure, a biological reaction area and an efficient settling area are arranged in the micro-power equipment, the biological reaction area is arranged on the outer ring of the efficient settling area, and a biological filler adding area is arranged below the biological reaction area. According to the utility model, the solar energy technology is applied to the micro-power equipment, and power is provided for the micro-nano aeration pipe of the system, so that the problem of the operation cost of the system is solved.

The application discloses a kind of spin float nickel smelting equipment, including smelting furnace and is opened smelting cavity, the smelting cavity bottom end is laid melt, the top surface of the smelting furnace is fixedly connected nozzle component and smoke exhaust component, the top surface of the smelting furnace is fixedly connected feeding component near nozzle component position, the feeding component, nozzle component and smoke exhaust component are all communicated smelting cavity, the feeding component includes feeding pipe and reaction channel, and the feeding pipe is fixedly connected in the top surface of smelting furnace.The application is provided with reaction channel in feeding component, for preliminary cyclone reaction to material, then secondary cyclone reaction is carried out in smelting cavity, and the contact time with reaction gas is longer, the utilization of oxygen in reaction gas is improved, and the reaction is more thorough, and the application is provided with smoke exhaust component, and the combustible gas in high-temperature gas discharged can be burned and then discharged, to avoid directly discharging waste gas containing a large amount of combustible gas, to solve the safety hazard of smelting furnace exhaust.

The invention discloses a hydrometallurgy reaction device and an operation method thereof. The hydrometallurgy reaction device comprises a normal-pressure reaction tank body, a first gas-liquid mixture inlet, a second gas-liquid mixture inlet and a second gas-liquid mixture inlet, a stirrer; the gas disperser comprises a gas-liquid premixing section, the gas-liquid premixing section is provided with a first liquid inlet, a first gas-liquid mixture outlet and a plurality of mounting holes, and the first liquid inlet is communicated with the first liquid outlet; the plurality of air inlet spray pipes are arranged at the plurality of mounting holes; the gas dispersion section is provided with a second gas-liquid mixture inlet and a second gas-liquid mixture outlet, the second gas-liquid mixture inlet is communicated with the first gas-liquid mixture outlet, and the second gas-liquid mixture outlet is communicated with the first gas-liquid mixture inlet. The hydrometallurgy reaction device can effectively improve the dissolved oxygen content of liquid, so that the hydrometallurgy reaction device has the advantages of high oxygen utilization rate, short reaction time and the like, and can be used for working conditions with relatively large throughput.

The utility model discloses a kind of based on ultrasonic wave cooperates coarse coconut bran matrix's soilless cultivation breeding acceleration device, comprising: matrix processing unit, ultrasonic atomization system and intelligent control unit.In matrix processing unit, coarse coconut bran is formed after layer structure by steam puffing, pyroligneous acid modification, probiotic solidification, bottom layer is coconut shell charcoal particle, middle layer is modified coarse coconut bran matrix, surface layer is carbonized rice hull.Ultrasonic atomization system is composed of three-dimensional spiral flow guide pipe around matrix, high-frequency piezoelectric ceramic atomization piece group and nano bubble generating device.Intelligent control unit can dynamically adjust ultrasonic frequency and working mode, simulate day-night rhythm to adjust ultrasonic and illumination.By optimizing matrix structure and ultrasonic atomization technology, nutrient solution is evenly covered root system with micron grade fog particle, while nano bubble promotes dissolved oxygen concentration, solve the problem that traditional fog culture droplet particle size is big, root system is insufficient in oxygen supply.

This application relates to the field of oxygen supply, and particularly addresses how to improve oxygen utilization and how to provide timely oxygen supply without lag during inhalation. This application discloses a timely-response, inhalation-based oxygen generator and method, including a breathing mask, an inhalation tube, an exhalation tube, an oxygen supply network, a circulation pipeline, and a controller. The breathing mask is connected to the outside environment via the exhalation tube, and the controller is also connected to the exhalation tube. The controller is connected to the breathing mask via the circulation pipeline, and the breathing mask is connected to the oxygen supply network via the inhalation tube. By setting up a circulation pipeline, this application not only improves oxygen utilization but also increases the response speed of the oxygen generator, reducing the lag in oxygen supply during inhalation.

The invention relates to a biological fluidized bed tower type water treatment method and belongs to the technical field of sewage treatment.The biological fluidized bed tower type water treatment method highly integrates an anoxic tank, an aerobic tank and a secondary sedimentation tank, and the occupied area is reduced; a sludge reflux pump and a nitrification liquid reflux pump are omitted, so that the daily operation and maintenance workload is reduced; a gas stripping technology, an aerobic fluidized bed technology and a deep well aeration technology are utilized, so that the oxygen utilization efficiency is greatly improved, and the operation energy consumption is reduced; according to the method, the sludge concentration is higher (can reach 8000 mg / L), meanwhile, large-proportion sludge and nitrification liquid circulation is achieved through the gas stripping technology (the circulation proportion can reach 500%-900%), the load impact resistance is greatly improved, the sludge load is higher (0.05-0.3 kg COD / kg MLVSS.d), and the good effect is achieved on high-salt wastewater, high-COD wastewater, high-nitrogen wastewater and the like.

The utility model belongs to the technical field of aeration hoses, and particularly relates to an efficient microporous aeration hose system for sewage treatment, which comprises a pipeline main body, a plurality of aeration holes are arranged on the pipeline main body, a filter screen is fixedly mounted on the inner surface of the pipeline main body, a first hollow pipe is fixedly mounted on the right side of the pipeline main body, and a second hollow pipe is fixedly mounted on the right side of the pipeline main body. A first hollow pipe is fixedly installed on the inner surface of the pipeline main body, a second hollow pipe is fixedly installed on the left side of the pipeline main body, and a cleaning assembly capable of cleaning dust on the filter screen is arranged between the first hollow pipe and the second hollow pipe. Therefore, the phenomenon that the aeration holes are blocked by dust in air is avoided, and the oxygen utilization rate can be further improved.

The invention provides a device for treating wastewater by micro-nano bubble aeration, and relates to the technical field of wastewater treatment.The device comprises a mounting rack, floating plates are fixedly mounted on the two sides of the mounting rack respectively, a protection box is fixedly mounted on the upper surface of the mounting rack, and an air inlet cover is arranged at the upper end of the protection box; an air supplementing assembly used for supplementing air is fixedly mounted in the protection box, a connecting sleeve rod is fixedly mounted at the lower end of the mounting frame, and an aeration assembly used for aeration is fixedly connected to the bottom of the connecting sleeve rod; the control panel continuously moves up and down, so that spaced exhaust aeration operation is realized, and compared with an existing device which continuously aerates one part, the interval of single aeration is increased, so that the oxygen delivery rate cannot be too high, resource waste is avoided, repeated aeration of wastewater after aeration is also avoided, and the aeration efficiency is improved. And the oxygen utilization rate is increased.

The invention belongs to the technical field of blasting, and particularly relates to a blasting oxygenation device and method adaptive to a plateau low-oxygen environment, the device aims at solving the problem that explosive blasting reaction is incomplete in the plateau hypoxia environment, the device comprises a charging bag placed in a blasting hole, an oxygenation device, a partition device and a sealing plug, the oxygenation device is provided with a shell and a liner bag, and the liner bag is provided with an opening. The inner container bag stores oxygen, the partition device is composed of an upper cover plate and an annular air bag, the oxygen increasing device and the partition device are arranged between every two vertically adjacent charging bags, the sealing plug is located at the top of the blast hole, and when the charging bags are detonated, generated shock waves can enable the inner container bag of the oxygen increasing device to be broken to release oxygen, and meanwhile the annular air bag of the partition device is pushed to expand to seal the hole wall. According to the device, oxygen release and sealing are triggered by means of explosion energy, oxygen is supplemented for a reaction area at the moment of explosion, oxygen is prevented from overflowing, and the plateau explosion effect can be improved.

The invention provides a treatment method of petrochemical alkali residue wastewater. The treatment method comprises the following steps: (1) adding inorganic acid into the alkali residue wastewater for neutralization; (2) adding sewage into the neutralized alkaline residue wastewater for dilution so as to reduce the COD value of the alkaline residue wastewater; (3) carrying out primary biochemical degradation on the diluted alkaline residue wastewater, wherein a treatment system for the primary biochemical degradation comprises an MABR unit; and (4) enabling effluent of the MABR unit to enter a sedimentation tank, and carrying out secondary biochemical degradation on supernate of the sedimentation tank. According to the treatment method provided by the invention, the aeration membrane of the MABR unit reduces the gas-liquid mass transfer resistance and improves the oxygen utilization rate; oxygen in a biological membrane of the MABR unit and a substrate are transmitted in different directions, the biological membrane is high in adhesive force and not prone to falling off, the microbial activity is high, the pollutant removal efficiency is high, and the system is high in impact resistance and stable in operation; bubble-free aeration is realized, the aeration quantity is small, and the energy consumption is low; and the discharge amount of waste gas is greatly reduced.

The utility model relates to the technical field of edible mushroom cultivation equipment, in particular to an edible mushroom stick puncturing aerator, and solves the problems that in the prior art, only mechanical puncturing operation on a mushroom bag is achieved, but a matched oxygen conveying system is not arranged, so that oxygen cannot be supplemented into the mushroom bag immediately after puncturing is completed, and the cost is low. And the actual oxygenation effect after puncturing is affected. The puncturing aerator comprises a mounting frame, a transverse plate arranged at the inner bottom of the mounting frame, a puncturing air cylinder mounted on one side of the inner top of the mounting frame, an aeration air cylinder mounted on the other side of the inner top of the mounting frame, a controller mounted on one side of the mounting frame and an aerator mounted on the other side of the mounting frame, the puncturing air cylinder is connected with puncturing needles through a puncturing plate, and the aeration air cylinder is connected with aeration needle tubes through an aeration disc. By integrating puncturing and oxygenation functions, synchronous and accurate oxygen supply after puncturing is realized, the oxygen utilization rate and the consistency of hypha growth are effectively improved, and the production efficiency is improved.

The utility model discloses an efficient sewage treatment system. The efficient sewage treatment system comprises an air pump, a first power water pump, a second power water pump, an efficient jet mixer, an aerobic tank and an anaerobic tank, the air pump and the first power water pump are respectively connected with an inlet of the efficient jet mixer; a rotational flow granular sludge reactor is arranged at the top of the aerobic tank, a sludge bucket is arranged at the bottom of the aerobic tank, and an inlet of the rotational flow granular sludge reactor is connected with an outlet of the efficient jet mixer; an opening is formed in the mud bucket and is connected with an inlet of the second power water pump; an outlet of the second power water pump is connected with an inlet of the efficient jet mixer; a water inlet is formed in the upper part of the anaerobic tank, a first water outlet is formed in the bottom of the anaerobic tank, and a composite filter material layer is arranged between the water inlet and the water outlet; the efficient sewage treatment system can improve the sewage treatment efficiency, reduce the occupied area and improve the sewage treatment effect.

The utility model discloses a hydraulic accumulator, which belongs to the technical field of AE1 series oxygen filling pump improvement, and comprises a shell, an air bag, a three-way pipe connecting piece and a mechanical hydraulic stamping device, the air bag is arranged in the shell, the air bag is made of soft rubber materials and is convenient to shrink and expand under pressure, the three-way pipe connecting piece is connected with the air bag, and the mechanical hydraulic stamping device is connected with the air bag. The three-way pipe connecting piece is arranged at the upper end of the shell, one end of the three-way pipe connecting piece is connected with the gas source bottle through the gas source pipe, the other end of the three-way pipe connecting piece is connected with the oxygen filling pump through the filling pump pipe, and the gas source pipe and the filling pump pipe are each provided with a valve. The automatic oxygen filling device is simple in structure, convenient and easy to operate and extremely low in cost, in the oxygen operation process, the oxygen utilization rate is increased, the oxygen filling efficiency is improved in the operation process, and oxygen waste is reduced.

This utility model relates to the field of aeration blower airflow regulation equipment, and discloses an airflow regulation mechanism for an aeration blower, including a centrifugal blower. A support base is fixedly connected to the bottom of the centrifugal blower. An air inlet pipe is fixedly connected to the input end of the centrifugal blower, and an air outlet pipe is fixedly connected to the output end of the centrifugal blower. An outer frame is fixedly connected to the inside of the right end of the air outlet pipe, and support plates are fixedly connected to the front and rear side walls of the outer frame. This utility model, through its outer frame, first bearing, and first support rod, can solve problems such as insufficient or excessive airflow, airflow fluctuations or instability, increased system costs, and inability to flexibly cope with different operating conditions. The first baffle on the first rotating rod also rotates under the action of the first push rod and the first support rod, thereby effectively reducing airflow fluctuations, ensuring system stability, improving aeration effect, reducing energy consumption, and improving system efficiency.

The present application provides an oxygen system scheduling optimization method based on deep reinforcement learning hybrid action space, comprising the following steps: oxygen system scheduling optimization; drl-based method; results and analysis. The present application is based on deep reinforcement learning, and proposes an HAC algorithm for solving the oxygen system scheduling problem. The proposed algorithm extends the actor network of the AC algorithm, and designs an additional segmented reward function according to the market time-of-use electricity price. The HAC algorithm solves the mixed problem of discrete variables and continuous variables, and realizes energy saving and emission reduction while improving economic benefits. Experimental results show that the HAC algorithm places the scheduling problem in a hybrid action space, avoiding the problem of suboptimal action selection. Compared with the traditional algorithm, the HAC algorithm significantly improves the convergence and accuracy of the algorithm, making the oxygen system have higher oxygen utilization rate and economic benefits.

The invention belongs to the technical field of medical instruments, and discloses an oxygen saving device which comprises an air supply pipeline with an air inlet and an oxygen outlet and a first pressure tapping pipeline communicated with the oxygen outlet. The throttling unit and the switch unit are sequentially arranged on the air supply pipeline, and the pressure difference detection unit is arranged on the first pressure tapping pipeline. The control unit is in communication connection with the pressure difference detection unit and the switch unit; the throttling unit is used for controlling the oxygen flow and outputting the oxygen flow to the switch unit; the switch unit is used for controlling the on-off of the gas supply pipeline; the pressure difference detection unit is used for detecting the difference between the atmospheric pressure and the gas pressure in the first pressure tapping pipeline and sending the difference to the control unit; the control unit is used for opening the switch unit when judging that the user inhales based on the pressure difference; otherwise, closing. The pressure difference detection unit is used for detecting inspiration of a user, the control unit controls the switch unit to open and close the air supply pipeline, the air supply pipeline is opened for oxygen supply only when the user inspires, the oxygen utilization rate can be effectively increased, and the use time can be effectively prolonged.