13results about How to "Increase oxygen concentration" patented technology

The invention relates to the technical field of plasma electric flame stoves, in particular to a system for supplying nitrogen through centralized air separation for an electric flame stove and a working method. The system comprises an air compression and pretreatment unit, a pressure swing adsorption separation unit, a nitrogen buffer pressure stabilization unit, a nitrogen distribution conveying pipe network, a user side regulation and control unit and at least one electric flame stove which are sequentially connected in the gas flow direction. According to the invention, through centralized nitrogen generation and pipeline distribution, the problem of large-flow nitrogen supply of dispersed users is solved, and the emission of nitrogen oxides is greatly reduced due to the use of oxygen-free nitrogen by the electric flame stove. According to the system, indoor oxygen supplementation of oxygen-enriched gas and domestic hot water recovery of compressed waste heat are achieved at the same time, and the comprehensive utilization efficiency of resources is improved; by adopting the carbon steel pipe net, the construction cost is reduced, and nitrogen with different purities can be flexibly produced to meet multiple requirements; and real-time matching of nitrogen supply and stove power is realized through intelligent flow control of a user side, and stable and efficient operation is guaranteed.

The application provides a method and device for treating wastewater by combining a suspended filler floating bed and a soil infiltration system, and the method comprises the following steps: S1, breeding wastewater is treated by the suspended filler floating bed after passing through a hydrolysis tank, and effluent is treated in a sedimentation tank, and wastewater of the suspended filler floating bed is returned to the suspended filler floating bed for secondary treatment; S2, wastewater of the sedimentation tank is returned to the hydrolysis tank; and S3, effluent of the sedimentation tank is introduced into a soil underground infiltration system. The system provided by the application is beneficial to further strengthening the effects of denitrification, phosphorus removal and removal of suspended solids, and solves the problems of low dissolved oxygen content of influent and wastewater in the system, which is not conducive to the growth of nitrifying bacteria, and low effective volume utilization rate. In the use process, the filler does not need to be replaced, and mechanical aeration equipment does not need to be added, and the system has the advantages of low investment cost, no need to add chemical agents for treatment, obvious effect, not easy to breed mosquitoes, simple operation and management, and beautification of the environment, and has remarkable ecological and economic benefits for promoting deep purification of breeding wastewater.

This utility model discloses a micro hyperbaric oxygen chamber and its highly integrated micro hyperbaric oxygen chamber main unit, relating to the field of micro hyperbaric oxygen chamber technology. The highly integrated micro hyperbaric oxygen chamber main unit includes: a shell; an oxygen generation and pressurization device, which includes an air compressor for pressurizing air to a set pressure and a molecular sieve for oxygen generation, the air compressor being connected to the chamber body via an air supply pipe; a pressure regulating and filtration device, which is used to regulate the concentration and pressure of oxygen, the molecular sieve being connected to the pressure regulating and filtration device, the pressure regulating and filtration device being connected to the chamber body via an oxygen supply pipe; a water treatment device, which includes a collection tank and a water processor located in the collection tank, the shell having a guide pipe for guiding the condensate generated by the chamber's air conditioning system and the pressure regulating and filtration device into the collection tank, the water processor being used to vaporize the condensate in the collection tank; and a control device. This device can effectively treat the chamber's air conditioning water and the main unit's condensate, integrating oxygen generation, pressurization, and condensate treatment functions into one unit.

This utility model relates to an oxygen-enriched burner structure, including a burner body and a nozzle connected to the jet end of the burner body. An oxygen-enriching component is connected to the nozzle, comprising a rotating sleeve rotatably connected to the nozzle and an oxygen-enriching drive connected to the rotating sleeve. The oxygen-enriching drive drives the rotating sleeve to pump external oxygen into the nozzle. The technical solution of this application offers the following advantages: the oxygen-enriching component is connected to the nozzle, and the oxygen-enriching drive drives the rotating sleeve to rotate, precisely pumping external oxygen into the nozzle. This design significantly increases the oxygen concentration in the combustion zone, ensuring thorough mixing of fuel and oxygen, resulting in a more intense and rapid combustion reaction. The oxygen-enriching drive can flexibly adjust the rotation speed of the rotating sleeve according to actual combustion needs, thereby precisely controlling the amount of oxygen pumped into the nozzle. Under different operating conditions such as changes in combustion load and fuel type, it ensures that the burner receives the appropriate oxygen supply. This oxygen supply method guarantees the stability and efficiency of the combustion process.

The utility model provides an active oxygen generating device with a long service life, which comprises a lower shell, an upper shell, a lower shell and an upper shell, and the impeller cover is arranged on the inner side face of the lower shell and the inner side face of the upper shell, an impeller is fixedly installed at the bottom of the impeller cover, and a cleaning brush is arranged on one side of the impeller. According to the active oxygen generating device with the long service life, the impeller, the cleaning brush and other structures are matched with one another, when the active oxygen generating device is used, the impeller is driven by water flow to rotate, the cleaning brush fixed to the impeller is driven to clean an area, prone to scaling, between the two conducting strips, the scaling risk of the main reaction chamber is reduced, and the service life of the active oxygen generating device is prolonged. Meanwhile, ion exchange is better achieved, the reaction efficiency is improved, the active oxygen concentration is increased, the service life of the product is greatly prolonged, and large-scale application is facilitated.

This utility model discloses a rice seed storage device, including a storage tank and a cover plate disposed above the opening at the top of the storage tank. A ring is fixedly connected to the bottom of the cover plate, and the lower end of the ring is inserted into the opening, abutting against the inner wall of the opening. The surface area of ​​the cover plate is larger than the surface area of ​​the opening. Multiple circumferentially distributed vents are provided on the cover plate. Multiple circumferentially distributed driven gears are rotatably inserted into the bottom of the cover plate via a rotating shaft. In this utility model, a gas detector and a temperature and humidity meter are used to periodically monitor the data inside the storage tank. When the data exceeds the standard, a knob can be turned to drive the drive gear, which in turn drives multiple driven gears to rotate. The driven gears then drive corresponding baffles to rotate, causing the baffles to move away from the vents. This allows carbon dioxide and heat to be removed from the inside of the storage tank. Furthermore, a stainless steel filter screen prevents adult insects from entering the storage tank.

This utility model provides a self-regenerative oxygen-enriched burner, belonging to the technical field of combustion equipment. The self-regenerative oxygen-enriched burner includes a combustion chamber; side plates, which are bolted to the left and right ends of the combustion chamber; L-shaped tubes, which are fixedly connected to the left and right ends of the side plates; a heat storage body, which is fixedly connected inside the two L-shaped tubes; and a support, which is fixedly connected to the lower end of the combustion chamber. A reversing valve is connected to the support, and a connecting pipe connects the reversing valve to the L-shaped tubes. In this design, the heat storage body receives and stores heat transferred from high-temperature flue gas during combustion, and then uses this heat to subsequently heat the cold air or gas entering the combustion chamber, achieving efficient heat recovery and reuse, reducing energy waste, and improving combustion energy utilization efficiency.

The utility model discloses an oxygen-enriched air supply device in an automobile, which comprises an oxygen-enriched membrane component, the air outlet end of the oxygen-enriched membrane component is connected with a negative pressure pump, the air outlet end of the negative pressure pump is connected with an exhaust mechanism, one side of the oxygen-enriched membrane component is provided with a monitoring control mechanism, and the oxygen-enriched membrane component comprises an air outlet seat. A fan is connected to the end of the air outlet seat, an air outlet is formed in the other end of the air outlet seat, a plurality of vertical adjusting air plates are rotatably connected to the interior of the air outlet seat, and first rotating shafts are fixedly connected to one ends of the vertical adjusting air plates. According to the oxygen-enriched air supply device in the automobile, oxygen-enriched air is generated through the oxygen-enriched membrane assembly, the first motor drives the vertical adjusting air plate to rotate for vertical adjustment, the second motor drives the transverse adjusting air plate to rotate for transverse adjustment, the oxygen-enriched air is blown to a driver, the oxygen concentration in the automobile is effectively improved, and driving fatigue is relieved.

The utility model discloses a magnetized ion oxygen supply device which comprises a fan assembly, a magnetized air assembly and a switch assembly, an air outlet is formed in one side of the fan assembly, and a suction opening is formed in the other side; the magnetized air assembly comprises a conical pipe and a mounting frame, an oxygen-enriched outlet is formed in the narrow end of the conical pipe, the other end of the conical pipe is connected with the mounting frame, the mounting frame is of a hollow structure, an air inlet is formed in the side wall of the mounting frame, a plurality of mounting plates are arranged on the mounting frame, and a plurality of permanent magnets are arranged on each mounting plate; the switch assembly comprises a control panel and a driving mechanism, the control panel is arranged between the suction opening and the oxygen-enriched outlet, a conducting hole is formed in the control panel, and the driving mechanism can drive the control panel to move so as to drive the conducting hole to be connected or disconnected with the suction opening and the oxygen-enriched outlet. According to the utility model, the oxygen concentration in air flowing into the fan can be improved; and the mechanical switch assembly is adopted to control oxygen supply, so that the overall manufacturing cost of the equipment is reduced, and the maintenance difficulty of the equipment can also be reduced.

This utility model relates to the field of portable oxygen concentrators, and more particularly to a handheld oxygen concentrator that allows for rapid oxygen use with a single hand. It includes a main body and integrated within the main body a compressed air source, an oxygen production unit, and an oxygen storage tank. The oxygen-enriched gas produced by the oxygen production unit is delivered to the oxygen storage tank for storage. A power supply is integrated at the bottom of the main body. The main body is designed for one-handed use. The perimeter of the projected outline of the main body on a first projection plane is less than 270 mm. The main body is equipped with an oxygen inhalation nozzle for direct contact with the mouth or nose, and the nozzle is connected to the oxygen storage tank. This utility model is particularly suitable for situations requiring one-handed operation of the oxygen concentrator and rapid oxygen use.

The application relates to a carbon capture system for oxygen-enriched combustion based on molecular sieve adsorption separation, and relates to the field of efficient combustion and flue gas pollutant purification treatment. The carbon capture system for the existing power plant applying the oxygen-enriched combustion technology solves the problems of high oxygen enrichment energy consumption and complex system. The utility model is characterized in that air is cooled by a cold water heat exchanger, oxygen in the air is enriched by N-stage oxygen molecular sieve groups, the oxygen-enriched air is mixed uniformly in a mixing tank, the mixed air is subjected to oxygen-enriched combustion in a combustion system, flue gas is subjected to desulfurization and denitrification and water separation, and then the flue gas is subjected to pressurization and cooling to separate liquid carbon dioxide, so that the carbon dioxide in the flue gas is captured. The N-stage oxygen molecular sieve groups greatly reduce the oxygen separation energy consumption, and the concentration of the oxygen-enriched gas can be flexibly adjusted without setting a complex system, so that the utility model is suitable for different types of oxygen-enriched combustion power plants. The utility model is mainly used in the power plant applying the oxygen-enriched combustion technology.

The application provides a single electrode plate with oxygen storage and release function, a preparation method of the single electrode plate, a bipolar plate and a fuel cell. The single electrode plate comprises at least one composite carbon powder layer, at least one composite material layer and at least one metal sheet layer which are stacked, and the composite carbon powder layer and / or the composite material layer comprises an oxygen storage material. In the single electrode plate with oxygen storage and release function, the composite carbon powder layer and / or the composite material layer comprises an oxygen storage material, so that the bipolar plate comprising the single electrode plate can store oxygen when the fuel cell is in low load operation, release oxygen when the fuel cell is in high load operation, increase the oxygen concentration in the reaction zone, thereby directly and quickly reducing the concentration difference loss in the fuel cell and improving the overall performance of the fuel cell.