54 results about "Oxygen system" patented technology

A rescue vest for deepwater operators comprises a first partition and a second partition which are located in front of the left chest and the right chest respectively, a third partition located on the abdomen, a fourth partition surrounding the neck, a fifth partition located on the back shoulder, and a sixth partition and a seventh partition which are located on the side chest and the abdomen respectively, and each partition is internally provided with a heat production and oxygen production unit; the heat and oxygen production unit comprises a closed cavity, a first reaction cavity and a second reaction cavity are arranged in the closed cavity, and inner cavities of the first reaction cavity and the second reaction cavity are sealed by isolation films; and a vacuum reaction cavity is arranged in the closed cavity outside the first reaction cavity and the second reaction cavity. The device can simultaneously play roles of heat preservation, oxygen supply, floating and the like, and the generated gas is only oxygen, so that the device plays a huge role in closed environment and underwater operation, and solves the problem of lifesaving of deepwater operating personnel under the condition that the deepwater parking temperature of a submersible and an oxygen system disappear.

The utility model relates to the technical field of water environment treatment, and discloses a microbiological treatment device for water environment treatment, which comprises a reaction tank, a sedimentation tank and a filter tank, the reaction tank, the sedimentation tank and the filter tank are sequentially arranged, a second water pump is arranged between the reaction tank and the sedimentation tank, a pipeline is arranged between the sedimentation tank and the filter tank, and the water pump is connected with the pipeline. A first water pump is arranged on the outer side of the reaction tank, the input end of the first water pump is connected to the interior of the reaction tank through a pipeline, a ventilation assembly is arranged on the bottom side of the interior of the reaction tank, an ultrasonic vibration assembly is installed at the top of the reaction tank, and a filtering assembly is arranged in the filtering tank. According to the utility model, the water treatment efficiency is remarkably improved by combining the oxygen dissolving system, the ventilation assembly, ultrasonic vibration and multiple filtering technologies; meanwhile, the filter assembly is easy to clean and replace due to the design of the sliding grooves and the activated carbon filter plates, the service life of filter materials is prolonged, and maintenance cost is reduced.

The invention relates to an electrolyzer (1) with a stack (2), an oxygen gas system (8) fluidly connected to anode-side areas, a hydrogen gas system (9) fluidly connected to cathode-side areas, an oxygen reservoir (14), a first oxygen connecting line (16) fluidly connecting the oxygen gas system (8) to the oxygen reservoir (14), an oxygen-side shut-off device (10) arranged in the first oxygen connecting line (16) and having a closed and an open state, a hydrogen reservoir (15), a first hydrogen connecting line (17) fluidly connecting the hydrogen gas system (9) to the hydrogen reservoir (15), a hydrogen-side shut-off device (11) arranged in the first hydrogen connecting line (17) and having a closed and an open state, and a control unit (3) configured toupon exceeding a threshold value of a differential pressure between an anode-side gas and a cathode-side gas, the oxygen-side shut-off device (10) and the hydrogen-side shut-off device (11) are simultaneously moved from the closed state to the open state.

The utility model discloses a bonding tool for assembling a valve core of an oxygen supply system, which comprises a bottom plate, a pressing plate and a pressurizing seat, a plurality of positioning columns are arranged on the bottom plate, a bottom plate groove is arranged in the middle of the upper surface of the bottom plate, the pressing plate is positioned above the bottom plate, a plurality of pressing plate positioning through holes and a pressing plate middle through hole are arranged on the pressing plate, and the pressing plate positioning through holes are communicated with the pressing plate middle through hole. The lower face of the pressurizing base is a plane and located above the pressing plate, a plurality of pressurizing base positioning holes are formed in the lower portion of the pressurizing base, a pressurizing base middle through hole is formed in the middle of the pressurizing base, and the upper ends of the positioning columns penetrate through the pressing plate positioning through holes in one-to-one correspondence from bottom to top and then are arranged in the pressurizing base positioning holes. And the central lines of the pressing plate middle through hole and the pressurizing seat middle through hole coincide and penetrate through the central position of the bottom plate groove. According to the utility model, the function of uniformly pressurizing the sealing gasket on the valve rod through the gravity of the pressurizing seat and the positioning function of the pressing plate is realized, and high-quality pressurizing, bonding and assembling between the sealing gasket and the valve rod can be realized.

The invention relates to an electrolyser (1) having a stack (2), an oxygen gas system (8) which is fluidically connected to anode-side regions, a hydrogen gas system (9) which is fluidically connected to cathode-side regions, an oxygen reservoir (14), a first oxygen connection conduit (16) which fluidically connects the oxygen gas system (8) to the oxygen reservoir (14), an oxygen-side shut-off element (10) which is disposed in the first oxygen connection conduit (16) and has a closed state and an open state, a hydrogen reservoir (15), a first hydrogen connection conduit (17) which fluidically connects the hydrogen gas system (9) to the hydrogen reservoir (15), a hydrogen-side shut-off element (11) which is disposed in the first hydrogen connection conduit (17) and has a closed state and an open state, and a control device (3) which is designed to bring the oxygen-side shut-off element (10) and the hydrogen-side shut-off element (11) simultaneously from the closed state to the open state on exceedance of a threshold value of a pressure differential between an anode-side gas and a cathode-side gas.

The invention relates to a single mixing and single sintering process for manufacturing gallium and zinc doped lithium lanthanum zirconium oxide. The process comprises the following steps: mixing lithium carbonate powder, lanthanum oxide powder, zirconium dioxide powder, gallium oxide powder and zinc oxide powder in an emulsifying machine; then putting the mixed powder into a wet grinding machine for grinding to obtain a plurality of mixture powder; placing the plurality of mixture powders in an oven for drying, and placing the mixture powders in a grinding bowl for grinding to form fine powders; then the fine powder is placed in a sintering furnace to be sintered through two-stage gas injection, in the first stage, the sintering temperature is increased to 800-900 DEG C from the room temperature, and oxygen-enriched gas is injected into the sintering furnace; in the second stage, the originally injected dilute oxygen gas is replaced with pure oxygen to be injected into the sintering furnace, the sintering procedure is completed in the environment of 800-900 DEG C to obtain the gallium and zinc doped lithium lanthanum zirconium oxide, and the dilute oxygen system refers to that the proportion of oxygen in the whole gas is smaller than 30%.

1. The name of the design product: four-cylinder compressor (2). 2. The use of the design product: used in oxygen generator oxygen system, through the alternating work of multiple cylinders, to provide stable pressure for the raw material air of adsorption tower. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention belongs to the technical field of metal surface strengthening, and discloses a method for realizing matrix interface strengthening in a lead-bismuth environment, which comprises the following steps: firstly, carrying out ultrasonic cleaning on a target sample to ensure that the surface is free of stains; then clamping the target sample in a sealed cavity of fatigue loading equipment, and heating the solid lead bismuth to completely melt the solid lead bismuth and submerge the target sample; after the PLC oxygen control system is connected, reducing gas is continuously introduced into the sealed cavity; after the temperature of the heating furnace is increased, reducing gas is adopted for gas washing; after the temperature of the heating furnace continues to rise and oxygen reduction treatment is carried out, the introduction amount of reducing gas is reduced, and PLC automatic control is carried out; and finally, carrying out low-stress pulsation cyclic load loading on the target sample in a stress control mode. The stable oxidation layer and matrix interface is prepared in the liquid lead bismuth environment under the cyclic stress effect, the method has the characteristics of stability, durability, dynamic repairability and the like, and a powerful guarantee is provided for long-term safety service of the fourth generation LFR.

The utility model belongs to the technical field of industrial heating furnaces, and relates to an intelligent heating system based on carbon circulation, which comprises a coal gas system, a carbon circulation system, an oxygen system, a flue gas system, a heating furnace body and a heating section heat supply system, the coal gas system comprises a coal gas cold conveying pipeline and a coal gas hot conveying pipeline; the carbon circulating system comprises a first flue gas adjusting stop valve, a circulating flue gas cold conveying pipeline and a circulating flue gas hot conveying pipeline; the oxygen system comprises an oxygen conveying pipeline; the flue gas system comprises a flue gas waste heat recovery flue, a second flue gas adjusting stop valve and a chimney; at least one heating section heat supply system is arranged in the heating furnace body, and a smoke outlet of the heating furnace body is connected with an inlet of the smoke waste heat recovery flue; an outlet of the flue gas waste heat recovery flue is further connected with a first flue gas adjusting stop valve, an outlet of the oxygen conveying pipeline is connected to the circulating flue gas cold conveying pipeline so as to be mixed with circulating flue gas, and the circulating flue gas hot conveying pipeline and the coal gas hot conveying pipeline are both connected to a heat supply system.

The utility model provides a deep well ultra-nano gas dissolution reoxygenation system. The deep well ultra-nano gas dissolution reoxygenation system comprises a low-temperature storage tank for storing liquid oxygen, a vaporizer, an ultra-nano gas dissolution reoxygenation device arranged at the bottom of a deep well, a water outlet pump arranged in the deep well, a filtering system arranged in a natural water body and a water inlet pipe connected with the filtering system and the ultra-nano gas dissolution reoxygenation device. A water outlet pipe extending into the natural water body is arranged at the output end of the water outlet pump. And the output end of the vaporizer is communicated with the ultra-nano gas dissolution and reoxygenation device. Natural water is filtered by the filtering system and then flows into the ultra-nano gas dissolving and reoxygenation device through the water inlet pipe, the natural water is mixed with oxygen vaporized by the vaporizer to form oxygen-enriched water, and the oxygen-enriched water flows out of a gas dissolving outlet of the ultra-nano gas dissolving and reoxygenation device and then is pumped to an oxygen deficit point in the natural water through the water outlet pump. Through the arrangement, the system improves the utilization rate of oxygen and reduces the pressurization energy consumption under the same working pressure by utilizing the natural pressure at the bottom of the deep well, and more than 60% of electric energy is saved under the same working pressure.

The application discloses a kind of mechanism oxygen system supercharged turbine life running test test device and method, device includes turbine side import air pipeline, turbine side export air pipeline, compressor side import air pipeline and compressor side export air pipeline.The present application provides compressed air by low pressure gas source, adjusts electric valve to import air to turbine and compressor side simultaneously, after entering heater heating after air filter core, then again by bypass valve import pressure, after import air pressure and temperature reach set value, make the air of specified pressure and temperature enter mechanism oxygen system supercharged turbine.Then start vacuum pump, adjust solenoid valve opening, make turbine and compressor export pressure reach required value, finally carry out life running test according to specified parameter.The present application realizes life running test simulation real working condition, and collects and records each test parameter, so that mechanism oxygen system supercharged turbine carries out life running test according to actual working condition.

The invention discloses a self-weight balancing device and a VSPA oxygen generation system switching valve with the self-weight balancing device, and the self-weight balancing device comprises a supporting block and a top ball; a jacking cavity is formed in the bottom end of an inner cavity of the valve body and right faces the bottom of the valve rod. The supporting block is embedded in the bottom end of the jacking cavity. A containing groove is formed in the top of the supporting block, the top ball is arranged in the containing groove, and the top of the top ball protrudes out of the containing groove and abuts against the bottom end of the valve rod. According to the self-weight balancing device, the valve element assembly applies balance force which is equal to the self weight in magnitude and opposite to the self weight in direction, so that the valve element assembly is in a suspension state with the net weight being zero in the whole movement process; unilateral eccentric wear to the guide sleeve caused by the dead weight of the valve core and additional impact and stress to a sealing pair are eliminated, the wear rate of key parts of the valve is effectively reduced, the service life of the valve under the high-frequency switching working condition is remarkably prolonged, and the reliability of the valve under the high-frequency switching working condition is remarkably improved.

The utility model discloses a kind of closed high-efficiency heat dissipation air source components for airborne oxygen system, belong to the production technical field of airborne oxygen system, including compressor, controller, heat dissipation fan, closed shell, air inlet pipe, flow guide support, guide vane and air outlet pipe, compressor and controller are respectively installed on air source bottom plate, air source bottom plate is installed on mounting bottom plate, the lower end of closed shell is sealedly connected with air source bottom plate, compressor, controller, flow guide support and guide vane are all placed in closed shell, air inlet pipe is installed on the upper portion of the lateral wall of closed shell and close to the top of compressor, the upper end of air outlet pipe is installed on mounting bottom plate, heat dissipation fan is installed on flow guide support and its air inlet is connected with the inner end of air inlet pipe, guide vane is located between heat dissipation fan and controller and forms three air ducts in closed shell.The utility model can realize all-around sustained high-efficiency heat dissipation for compressor and controller, provide guarantee for its stable and reliable work.

An oxygen system for an aircraft may have a chemical oxygen generator; an oxygen mask; and a tube assembly extending from the chemical oxygen generator to the oxygen mask. The tube assembly may have a first tube and a second tube. The first tube defines a fluid conduit that fluidly couples the chemical oxygen generator to the oxygen mask in response to being in use. The second tube may be configured to house a plurality of lights therein.

An oxygen mask for use in an aircraft includes a base, the base having an oxygen port for an inflow of oxygen from an oxygen source; a face piece, protruding from a peripheral portion of the base and surrounding a breathing space; a re-directing portion, spaced from the base and arranged over the oxygen port within the breathing space; and at least one lateral opening between the base and the re-directing portion, the at least one lateral opening providing a fluid connection between the oxygen port and the breathing space.

Processes are provided for the production of humic acids from coal such as lignite, involving mixing comminuted coal solids with an aqueous alkaline solution under subcritical extraction conditions, which comprise an extraction temperature of from 25 to 50° C.; an extraction pressure of from >0.1 MPa to <0.5 MPa; a flow of an oxygen containing gas; and potassium hydroxide.

The invention discloses a dynamic self-regulation oxygen production and supply system for mining mechanical equipment in a high altitude area. The dynamic self-regulation oxygen production and supply system comprises a dirty air purification circulation system, an oxygen supply system, a fresh air mixing system and an environment detection and precise oxygen supply system, the dirty air purification circulation system performs two-stage purification treatment on operation dirty air through wet cyclone and dry filtration; the oxygen supply system is pressurized through an air compressor with air pressure compensation, and oxygen-enriched air is prepared by adopting a pressure swing adsorption principle; the fresh air mixing system is used for uniformly mixing the purified circulating air with the oxygen-enriched air; the environment detection and precise oxygen supply system drives a jet device to realize fixed-point oxygen supply by monitoring oxygen concentration in real time and positioning personnel. Through intelligent cooperation of multiple modules, the technical bottlenecks that oxygen carrying is difficult in the high-altitude low-pressure environment, traditional ventilation is high in energy consumption, and the oxygen utilization rate is low are overcome, efficient cyclic utilization of oxygen, accurate supply according to needs and system energy consumption optimization are achieved, and the safety of high-altitude mine excavation operation and the working efficiency of personnel are remarkably improved.

An extracorporeal membrane oxygenation (ECMO) system for infusing blood with oxygen and for removing carbon dioxide from blood includes an outlet from the oxygen line to share oxygen from the oxygen source as between the system and a nasal cannula or other supplemental oxygen device. The ECMO system may alternatively or in addition capture oxygen-rich exhaust as a by-product of the process. This captured oxygen-rich exhaust would be recycled and shared with a nasal cannula or other supplemental oxygen device. The recycled oxygen-rich exhaust is not only richer in oxygen than air, but also warm and moist which may benefit patients beyond cold and dry oxygen from a direct oxygen source.

The invention discloses a functional near-infrared blood oxygen system for spinal blood oxygen monitoring, which is integrally of a modularized and wearable structure and mainly comprises a host module, an electrical stimulation module and at least one flexible oxygenation measurement patch (composed of a plurality of light path source detection modules), wherein the host module and the oxygenation measuring patch form a blood oxygen monitoring unit, and the host module and the oxygenation measuring patch are connected in a wired or wireless mode; the electrical stimulation module is uniformly controlled by the host, and time synchronization of stimulation output and blood oxygen signal collection is achieved. The multi-channel near-infrared light source and the photoelectric detector are integrated on the flexible substrate, and an optical detection array which can be conformally attached to the surface of the spine is constructed, so that the optical coupling efficiency and the effective detection depth of near-infrared light in the spine area are improved.

The application relates to a cargo aircraft, a life support oxygen supply system and a control method thereof. The life support oxygen supply system comprises an environment sensing module, a self-adaptive oxygen supply module and an auxiliary control module. The environment sensing module comprises a master control unit and a plurality of sensing nodes, the plurality of sensing nodes are arranged in a main cargo compartment of the cargo aircraft, and are used for sensing environmental parameters of the main cargo compartment. The self-adaptive oxygen supply module comprises a main oxygen supply unit, a handheld terminal, an intelligent mask and a self-adaptive control unit. The intelligent mask is used for physiological parameters of a security officer, and the physiological parameters are transmitted to the self-adaptive control unit. The handheld terminal sends positioning information of the security officer and movement intensity of the security officer. The self-adaptive control unit adjusts an oxygen supply amount of the main oxygen supply unit according to the physiological parameters and the movement intensity. The auxiliary control module is used for acquiring at least one of the environmental parameters, the positioning information, the physiological parameters and an oxygen residual amount of the main oxygen supply unit to generate early warning information. In this way, the security officer can be provided with convenient life support when moving, and the safety of the security officer can be ensured.

The invention discloses an energy gathering dredging therapeutic apparatus, and aims to solve the technical problems that an existing therapy is single in function, poor in synergy, limited in targeted dredging effect and difficult to act on meridian points and pathological reflex points of a human body. The therapeutic apparatus integrates a five-liter oxygen generating system, a far infrared thermal therapy module, a bioelectricity leading-in module and a gauze traditional Chinese medicine liquid absorbing pad with the thickness of 1 cm, the therapeutic apparatus is connected with arch-shaped dredging devices with different specifications through six two-way output lines, and three high-power lines are connected with six 28 cm * 25 cm dredging devices to act on the back, the chest and the abdomen. Three low-power lines are connected with the dredger and act on the upper and lower limbs. The oxygen therapy system serves as an energy leading core and cooperates with far infrared heat energy to raise yang and dispel cold, traditional Chinese medicine ions are guided in a bioelectricity targeted mode, traditional Chinese medicine hot compress is used for conditioning viscera, and accurate energy and medicine effect delivery is achieved by means of the low resistance characteristic of acupuncture points and pathological reflex points. The traditional Chinese medicine composition achieves a multi-function synchronous effect, can quickly dredge channels and collaterals, promote blood circulation to remove blood stasis, repair lesion tissues and enhance the immunity of the organism, is suitable for wind-cold-dampness arthralgia, chronic viscera diseases and the like, and is remarkable in curative effect and high in practicability.

A piezoelectric actuator controlled smart flow regulator is provided. The piezoelectric actuator controlled smart flow regulator includes an inlet chamber and an actuator chamber. The inlet chamber includes an inlet port. The actuator chamber includes an exit port, a sealing disc, and at least one piezoelectric actuator. The at least one piezoelectric actuator is coupled to the sealing disc. In a deactivated state, the sealing disc is in contact with the inlet port such that oxygen is prevented from flowing through the actuator chamber. In an activated state, responsive to receiving a voltage, the at least one piezoelectric actuator is configured to restrict thereby translating a center of the sealing disc away from the inlet port and provide an oxygen flow through the inlet port to the exit port.

The present application relates to a kind of composite electrolyte fluorescent wastewater treatment processes based on BDD electrode, which includes the following steps: (1) slag removal filtration is carried out to fluorescent wastewater;(2) a certain quality of anhydrous sodium sulfate and sodium chloride is added to the filtered fluorescent wastewater, and it is completely dissolved after stirring;(3) the fluorescent wastewater after dissolving electrolyte is pumped into electrochemical reactor;(4) direct current power supply is started;(5) electrochemical reactor is connected with activated carbon gas adsorption device, and the gas generated in electrolysis process is adsorbed by activated carbon.The present application uses BDD electrode and composite electrolyte to act together, and SO4 2‑ And Cl ‑ Form double oxygen system in composite electrolyte, which can reduce energy consumption and prolong electrode life, has the advantages of simple operation, high efficiency, environmental protection, low cost and the like, and the COD value of wastewater after treatment can reach 0-46mg / L, which meets the first level standard in GB / T8978-1996 "Integrated Wastewater Discharge Standard", especially when the molar ratio of anhydrous sodium sulfate and sodium chloride is 2:1 and the current density is 50mA / cm², the effect is remarkable.

1. The name of the design product: four-cylinder compressor (1). 2. The use of the design product: used in oxygen generator oxygen system, through the alternating work of multiple cylinders, to provide stable pressure for the raw material air of adsorption tower. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The application discloses a kind of self-adhesive drug carrier temperature-sensitive hydrogel dressings, it includes temperature-sensitive matrix and imine polymer.The present application poloxamer F127 is used as temperature-sensitive matrix, and imine polymer formed by chitooligosaccharide and dopamine is used as self-adhesion component and also is the bacteriostatic oxygen molecule controlled-release system of buffer-controlled carrier, forms unique buffer-controlled release oxygen system, and a kind of composite hydrogel dressings with self-adhesion, self-healing, antibacterial, controlled release and other multiple specific functions is constructed, can be used for daily disinfection, wound healing, scar repair, the treatment of diabetic foot skin ulcer, acne and acne and the treatment of herpes skin damage;The product of the present application has good antibacterial property, water solubility, biological safety, biocompatibility, can be injected or processed into shape, can be used for rapid hemostasis, can partially replace suture, fast close wound.

This application belongs to the field of aviation oxygen system testing technology, and specifically relates to an aircraft oxygen test management system platform, including a test resource management module, a test task module, a test execution module, a test log module, and a test data module. The test resource management module stores and allocates various test resources required for aircraft oxygen testing. The test task module determines the required test resources and their usage time based on the test task. The test execution module controls the test equipment according to the test operation procedures until the test is completed. The test log module generates different test logs based on the test data from different aircraft oxygen tests. The test resource management module allocates test resources and usage time. This system transforms reliance on human organization and mobilization into a system platform-based management and execution process, significantly improving the automation level of oxygen system testing and increasing test efficiency.

The invention discloses a testing device and method for a service life operation test of a charging turbine of a machine-made oxygen system. The device comprises a turbine side inlet air pipeline, a turbine side outlet air pipeline, a gas compressor side inlet air pipeline and a gas compressor side outlet air pipeline. Compressed air is provided through a low-pressure air source, air is introduced into a turbine and an air compressor side inlet by adjusting an electric valve at the same time and enters a heater to be heated after passing through an air filter element, then the inlet pressure is adjusted through a bypass valve, and after the inlet air pressure and temperature reach set values, the air is heated. And air with specified pressure and temperature enters a charging turbine of the oxygen making system. Starting a vacuum pump, adjusting the opening degree of an electromagnetic valve, enabling the outlet pressure of a turbine and a gas compressor to reach required values, and finally carrying out a service life operation test according to specified parameters. According to the invention, the life operation test simulates the real working condition, and various test parameters are collected and recorded, so that the life operation test is carried out on the charging turbine of the oxygen generating system according to the actual working condition.

The invention discloses a two-stage pressure reduction electronic oxygen regulator with a mechanical backup and an oxygen system. An inlet cavity is communicated with a first-stage pressure reduction cavity through a first-stage pressure reduction valve, and the first-stage pressure reduction cavity is communicated with an outlet cavity through a second-stage pressure reduction valve and a mechanical lung type valve; one side of the first-stage pressure reduction valve is pre-tightened by a first-stage pressure reduction valve spring, the other side of the first-stage pressure reduction valve is communicated with the first-stage pressure reduction cavity through a feedback cavity and a narrow channel in sequence, the feedback cavity is controlled to be opened and closed by a feedback valve, and the feedback valve is pre-tightened by a feedback valve spring and is driven by a feedback valve magnetic part; the second-stage pressure reducing valve is pre-tightened by a second-stage pressure reducing valve spring and is driven by a linear motor; the mechanical lung type valve is pre-tightened by a mechanical lung type valve spring and is controlled to be opened and closed by a transmission part, and the transmission part is simultaneously connected with a mechanical lung type valve magnetic part and a pressure sensing diaphragm; the control module can control the valve magnetic part, the linear motor and the mechanical lung type valve magnetic part under feedback. The oxygen regulator can perform two-stage pressure reduction and can work under power failure.

The application discloses a method for improving voltage consistency of a silicon-oxygen system, comprising the following steps: selecting a battery cell with a determined silicon-oxygen ratio; selecting different cut-off voltages according to a discharge curve, and performing constant-current and constant-voltage charging and discharging to corresponding potentials on a blue cabinet; collecting voltage data after 24 hours of standing, and calculating voltage drop; determining a cut-off voltage with stable and small voltage drop; and performing small-batch testing after combining the cut-off voltage with delivery voltage requirements. The voltage range of the application can be reduced to at least 5 mV, the individual differences of the battery cell are reduced, the voltage consistency is improved, the long-term storage power consumption is small, the battery cell overcharging is prevented, the battery cell aging is delayed, the cycle performance is improved, and the long-term storage power consumption is small.

The application provides a kind of steel enterprise oxygen system optimization scheduling model construction and solution method, it is related to industrial information technology field, establishes steel enterprise oxygen system optimization scheduling model, considers oxygen demand constraint, unit production process constraint, minimum switch-on and switch-off time constraint and climbing constraint.The model decides the production running state of each unit and oxygen production in each period, to reduce the total operation cost of oxygen system.According to the characteristics of the model, a Lagrangian relaxation algorithm is designed to solve it.The method relaxes the material balance constraint to the objective function by Lagrange multiplier, and decomposes the original problem into air separation unit subproblem, gasifier unit subproblem and storage system subproblem.In order to speed up the solution speed of subproblem, an optimal property acceleration strategy is proposed, a subgradient algorithm is designed, and a multiplier updating strategy is proposed.The application can significantly reduce the oxygen dispersion, reduce the production operation cost of oxygen system, and ensure the safe and stable operation of oxygen system.