392 results about "Oxygen supply" patented technology

The application discloses a low-ash-consumption converter smelting method, adopts single-slag smelting, controls the converter scrap steel ratio in 8% to 26%, controls the top blowing oxygen supply flow in 3.0 to 4.0 Nm 3 / (min·t), controls the bottom blowing argon flow in 0.03 to 0.10 Nm 3 / (min·t); the smelting process is improved by the cooperation of the gun position and the charging; the solid waste slag is added in the converter blowing process, the content of CaO in the slag is controlled in 45% to 55%, and the content of MgO is controlled in 5.5% to 7.5%; meanwhile, the dust removal pressure ball is added to improve the activity of FeO in the slag, and the terminal carbon content of the converter is controlled to be less than or equal to 0.05%. By adding the solid waste slag in the smelting process, the slag needed to oxidize a large amount of iron elements to generate FeO is reduced, so that the total iron content of the slag is reduced; by adding the synthetic slag, the liquidity of the slag is ensured, and the carbon-oxygen reaction is promoted; the total iron content of the low-carbon steel converter terminal slag is stably controlled to be less than 14.5%, the metal yield is provided; the lime addition amount can be reduced, the lime addition amount is controlled to be less than or equal to 10 kg / t, and the cost is reduced.

The application discloses a kind of organic waste composting methods for reducing nitrogen loss, belong to the technical field of organic waste resource utilization, in different stages of organic waste fermentation, calcium peroxide is added, on the one hand, can maintain the oxygen environment of heap system, inhibit denitrification;On the other hand, by regulating the pH environment in system, reduce ammonia volatilization.This double synergistic effect, continue to increase efficiency in the whole composting fermentation process, oxygen regulation breaks down the gaseous nitrogen loss caused by denitrification from the root, pH regulation effectively inhibits free ammonia volatilization, the two effects cooperate with each other, throughout the whole process, can realize the efficient nitrogen conservation of organic waste raw materials from fermentation start to stable decomposition, effectively solve the problems that existing nitrogen conservation technology is not good, cost is high, easy to cause secondary pollution and affect composting maturity etc..

An oxygen supply pipeline for an oxygen pressure regulator, relating to the technical field of pressure reducing devices, includes a connecting cap, a connector, an oxygen supply hose, and an anti-disconnection device. The anti-disconnection device comprises a quick-connect socket, a locking plate, and a locking spring. The locking plate and locking spring cooperate to achieve automatic locking, preventing oxygen supply interruption. The connecting cap communicates with the low-pressure chamber of the oxygen pressure regulator via a safety valve. The safety valve includes an output housing, a valve core, a pressure adjusting screw, and a pressure adjusting spring, ensuring normal oxygen delivery and preventing safety accidents caused by excessive pressure. This utility model's oxygen supply pipeline has a simple structure, is easy to assemble, has low production costs, and can effectively improve the continuity, stability, and safety of oxygen supply, meeting the oxygen supply needs of different scenarios.

This utility model discloses an oxygenation mechanism for aluminum ash calcination, relating to the technical field of aluminum ash calcination equipment. The utility model includes a pipe component, an adjusting component, and a cyclone disc. The pipe component includes an inlet pipe, an outer expansion cylinder, and a connecting cylinder. The inlet pipe passes through the closed end of the outer expansion cylinder, and a series of vent holes are arrayed in a section of the pipe wall passing through the closed end of the outer expansion cylinder. The connecting cylinder is fixedly sleeved on the open end of the outer expansion cylinder. The adjusting component is installed inside the connecting cylinder, and a connecting pipe head is connected to the lower end of the connecting cylinder. The cyclone disc is installed at the lower end of the adjusting component. This utility model uses the adjusting component to heat the air inside the thermal expansion cylinder, causing it to expand and push against the adjusting valve. This reduces the amount of oxygen exiting through the vent holes on the lower side wall of the inlet pipe, thereby reducing the oxygen supply to the calcination rotary furnace. The oxygen discharged from the connecting pipe head drives the cyclone disc to rotate, and the cyclone disc diffuses the oxygen into the calcination rotary furnace, making combustion in the calcination rotary furnace more complete.

This utility model relates to the field of stove technology, specifically a stove core structure, including an inner tube and an outer tube. The inner tube is open at the bottom and closed at the top, while the outer tube is closed at the bottom and open at the top. The space between the inner and outer tubes forms a combustion chamber. Several air inlet pipes are evenly arranged around the circumference of the outer tube at its lower part. Ventilation openings are also provided at the lower and upper parts of the outer tube. Several evenly arranged ventilation openings are provided on the wall of the inner tube. This utility model replaces ventilation openings with evenly distributed air inlet pipes at the lower part of the outer tube. On the one hand, this prevents the combustion flame at the bottom of the combustion chamber from escaping through the ventilation openings at the lower part of the outer tube. On the other hand, the air inlet pipes guide air into the bottom of the combustion chamber more orderly, providing a sufficient and stable oxygen supply for fuel combustion at the bottom. This solves the technical problems of existing stove core structures easily causing flame escape during combustion and fuel waste due to incomplete combustion within the combustion chamber.

1. Name of the product in this design: Fishing Water Pump Aerator. 2. Purpose of this design: This design is used for oxygenation and oxygen supply in water. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This utility model relates to the field of bio-fertilizer technology, providing a fermentation device and system. The fermentation device includes a fermentation tank and an aeration assembly. The aeration assembly includes an air pump, multiple microporous aeration discs, a ring-shaped pipeline, and a gas flow meter. The air pump provides oxygen to the fermentation broth. Multiple microporous aeration discs are located inside the fermentation tank. The ring-shaped pipeline is located at the bottom of the fermentation tank and is connected to each microporous aeration disc and the air pump. The gas flow meter is located in the ring-shaped pipeline and is used to detect the oxygen flow rate within the pipeline. The fermentation device provided by this utility model, by integrating the gas flow meter into the ring-shaped pipeline, monitors and feeds back gas flow data in real time. This allows operators to precisely adjust the air pump output based on quantitative indicators, avoiding the oxygen supply fluctuations caused by traditional reliance on experience-based judgment. This significantly lowers the operational threshold and provides a technical foundation for standardized control in large-scale production.

This application relates to an air control system, an aircraft air control method, an aircraft, and a flight system. The air control system includes an oxygen supply module, an air exchange module, a pressure regulation module, a detection module, and a control module. The oxygen supply module includes an oxygen reservoir, an oxygen electronically controlled valve, and an oxygen pipe. The air exchange module includes an airflow control component for regulating the airflow introduced from outside the cockpit to the indoor air outlet. The pressure regulation module is used to regulate the cabin pressure. The detection module includes an oxygen concentration detector and a cabin pressure detector. The control module is configured to control at least one of the oxygen electronically controlled valve, the pressure regulation module, and the airflow control component based on the oxygen concentration and cabin pressure. The air control system of this application can reduce the complexity of the system and, at the same time, can adaptively adjust in various scenarios, improving the accuracy and comfort of oxygen supply.

This utility model discloses an electrode brick structure for a substrate glass melting furnace, relating to the technical field of glass electric melting furnaces. It includes a furnace body and an oxy-fuel combustion system. The oxy-fuel combustion system includes an oxygen supply mechanism and a heating mechanism. The heating mechanism includes an electrode brick, a support assembly, and a propulsion assembly. A slot is formed on the side of the furnace body, and the electrode brick is slidably disposed within the slot. Both the support assembly and the propulsion assembly are fixedly connected to the furnace body, with the support assembly located at the bottom end of the slot and abutting against the electrode brick. The propulsion assembly is used to push the electrode brick to slide within the slot. During the operation of the substrate glass melting furnace, by setting up the propulsion assembly, when the electrode brick's heating power decreases due to erosion, it can be further pushed into the furnace, maintaining effective contact with the molten glass, continuously providing sufficient heating power, ensuring stable operation of the glass melting furnace, and avoiding the impact of insufficient power on glass production quality and efficiency.

The application discloses an oxygen production thermal management system and control method of a vehicle, wherein the system comprises an air conditioner circuit, a battery cooling circuit for cooling a battery pack and connected with the air conditioner circuit, and an oxygen production module arranged on the battery cooling circuit. The air conditioner circuit is provided with a condenser, an evaporator and an air conditioner compressor, the air conditioner circuit is connected with the battery cooling circuit through a cooling device, the evaporator is connected with a blowing grille arranged in a vehicle cabin through an air conditioner air duct, and the oxygen production module has an oxygen supply pipe which is communicated with the air conditioner air duct. According to the application, the oxygen production module is arranged on the battery cooling circuit, so that the oxygen production module can be cooled by the battery cooling circuit, water-cooled heat dissipation can improve the oxygen production amount of the oxygen production module, and the system is compact and occupies less space in the vehicle.

The application provides a kind of biological organic fertilizer efficient aerobic fermentation device, it relates to organic fertilizer fermentation technical field, including: base;The base is fixed with support, the upper portion of support is hinged with baffle, and support is installed with screw rod lifting seat A and screw rod lifting seat B by bolt, and the screw rod in screw rod lifting seat A and screw rod lifting seat B is connected with the lower end of baffle by pin shaft, and the input shaft of screw rod lifting seat A is connected with the input shaft of screw rod lifting seat B with connecting rod;The application integrates stirring, oxygen supply, fungicide spraying, material conveying, waste gas treatment and other multiple functions, forms complete fermentation process system, through the collaborative work of each hydraulic rod, motor and transmission mechanism, can be flexibly adjusted according to different material characteristics and fermentation process parameters, is suitable for efficient fermentation production of various biological organic fertilizer, has strong environmental adaptability and process expandability, helps to improve the automation level and product quality stability of organic fertilizer production.

The application belongs to the technical field of medical apparatus and instruments, and particularly relates to a pressing type oxygen inhalation device for emergency treatment, which comprises an elastic air bag, an air inlet unit, an air outlet unit and an oxygen inhalation mask, the elastic air bag inhales oxygen through the air inlet unit, and the oxygen is supplied to a patient through the air outlet unit and the oxygen inhalation mask, and the device further comprises a fixing column coaxially arranged in the elastic air bag, wherein two movable rings are slidably arranged on the two sides of the fixing column in the elastic air bag, a plurality of elastic metal positioning pieces are arranged between the two movable rings, and the fixing column is provided with a driving mechanism for driving the two movable rings to move. The device can stably control the oxygen supply depth, avoid excessive oxygen supply or insufficient ventilation, intuitively display the exhalation state of the patient, optimize the pressing frequency, and quickly adjust the positioning parameters to meet the emergency treatment requirements.

This invention discloses an automatic oxygen concentration adjustment system for a ventilator, comprising an oxygen supply module, an air supply module, a gas mixing module, a gas output module, a detection module, and a control module. The gas mixing module includes an initial mixing unit and a secondary mixing unit. The initial mixing unit is equipped with a first concentration detection device, and the secondary mixing unit is equipped with a second concentration detection device. The initial mixing unit includes an outer shell and an inner shell. An oxygen inlet is provided at the upper part of the inner shell, and an air inlet is provided at the bottom of the outer shell. The inner shell includes an upper mixing section, a middle mixing section, and a lower mixing section that are connected to each other. An air inlet is provided on the upper mixing section, and the air inlets are distributed in a gradually denser manner from top to bottom. The diameter of the upper mixing section is larger than that of the middle mixing section, and the diameter of the lower mixing section is larger than that of the upper mixing section. A first fan is provided at the bottom of the air chamber. The lower mixing section is connected to the secondary mixing unit through a connecting pipe, and a second fan and a first concentration detection device are provided inside the connecting pipe.

This utility model relates to the field of ventilation therapy equipment and discloses an oxygen concentrator that does not require an internal battery. It includes: an adsorption tower with an oxygen outlet; an oxygen tank configured to receive and store oxygen produced by the adsorption tower from the outlet; a control component including a pulse valve located at the oxygen supply end of the oxygen tank, the pulse valve being controlled to open during the user's inhalation and close during exhalation to form a pulsed oxygen supply; and a power connection component configured to connect to an external power source, which serves as the sole power source for the oxygen concentrator. The pulse valve design prevents oxygen waste caused by outputting oxygen during the user's exhalation. Compared to oxygen concentrators that provide continuous oxygen supply, this battery-free oxygen concentrator is smaller and more convenient, effectively mitigating the inconvenience caused by the large size of traditional oxygen concentrators, while maintaining the same amount of oxygen inhaled by the user.

This invention relates to a filtration device for recirculating aquaculture systems, belonging to the field of aquaculture technology. The filtration device includes a water tank, a connecting plate fixedly connected to one side of the water tank, a filter assembly connected to the water tank and on one side of the top of the connecting plate, and a waste discharge assembly connected to the water tank and on the top of the connecting plate. An oxygen supply assembly is located at the top of the water tank. By using the filter assembly, the first filter tube can be backwashed using a valve, thereby extending the service life of the first filter tube, avoiding frequent replacement, and reducing maintenance costs. The waste discharge assembly discharges the filtered impurities into and onto a discharge plate, effectively concentrating the impurities. The oxygen supply assembly, under the elastic force of a second spring, allows a scraper to clean the inner wall of the water tank, improving the cleaning effect.

This invention belongs to the field of medical device technology, specifically relating to a nebulized inhalation device for treating pediatric pneumonia. The device includes a main body connected to a spray tube; an oxygen supply section including an oxygen cylinder, the outlet of which is connected to the spray tube; a spray section including a compressor, the outlet of which is connected to a mixing tank, which is connected to the spray tube; a feeding section including a medication cartridge connected to a delivery tube, which is connected to the mixing tank; and an adjustment section including a guide rod with a sealing plug at its lower end, a lifting rod inside the guide rod, and a U-shaped plug fixedly connected to its lower end, positioned above the delivery tube. This invention enables rapid mixing of medication and oxygen with the medication mist, allows for quick assembly and disassembly of the medication cartridge, and allows for flexible control of the dynamic and directional release of a specific medication during treatment, ensuring the comfort of the child during treatment.

The utility model provides an oxygen inhalation device suitable for infants, which comprises a main body and a mounting structure. The main body is hollow and has two open ends, and is provided with two nasal plug tubes, each of which has a gas inlet. The mounting structure is adapted to mount the main body on an oxygen supply tube. In use, the standard nasal oxygen tube is appropriately modified. The specific operation steps are as follows: the nasal plug part at the front end of the nasal oxygen tube is cut off, and then the oxygen supply tubes on both sides of the nasal oxygen tube are inserted into the main body on both sides and fixed by the mounting structure. After the installation is completed, the nasal plug tubes are inserted into the nostrils of the infant. The insertion depth should be appropriate, usually not more than 1.9 cm. The oxygen inhalation device of the utility model is suitable for infants. The distance between the two nasal plug tubes matches the distance between the nostrils of the infant. When the infant inhales oxygen, the nasal plug tubes will not be displaced or fall off, and the nasal plug tubes conform to the physiological structure of the infant's nasal cavity, which can avoid pressing the delicate alar tissue.

This invention relates to a control method for the primary dust collector and dynamic sealing fan of a continuously feeding electric arc furnace, belonging to the field of metallurgical technology. The method includes the following steps: acquiring the power supply and oxygen supply intensity information of the electric arc furnace; setting the initial speed of the primary dust collector and dynamic sealing fan based on the acquired information; acquiring the pressure and temperature information of the preheating duct outlet A, the pressure and temperature information of the dynamic seal B, and the flue gas information; and the control system dynamically adjusting the speed of the primary dust collector and dynamic sealing fan in real time based on this information to achieve adaptive matching of exhaust volume to meet operating conditions during the smelting process. This invention enables the primary dust collector and dynamic sealing fan to adapt to the smelting state of the electric arc furnace, solving the problems of low outlet flue gas temperature, poor sealing effect, and flue gas discharge from the dynamic sealing fan caused by relying on manual experience in traditional horizontal continuous feeding systems.

The utility model provides a kind of aeration pipe for compost, mainly relates to aeration equipment technical field.A kind of aeration pipe for compost, including aeration pipe, the both ends of the aeration pipe are respectively screwed with quick connector, the top surface of the aeration pipe is equipped with several evenly distributed aeration holes, and the section of the aeration pipe is regular hexagon structure.The utility model has the beneficial effect that: aeration pipe adopts regular hexagon section design, can be stably placed on ground when installing, avoid the deviation of aeration hole caused by rolling, ensure that gas is evenly discharged;Evenly distributed aeration hole makes the gas distribution of compost area more balanced, effectively improves oxygen supply efficiency, promotes the uniformity and efficiency of compost fermentation process, provides stable environment for microbial activity.

The utility model discloses an aero-engine high altitude test bed, high altitude test bed includes high altitude test chamber, cooling cooling unit, first heat exchange unit, second heat exchange unit, mixes and mixes pressure stabilizing unit, oxygen supply unit, air compressor unit, drying unit, heating unit, refrigeration unit, air extractor unit, oxygen concentration detection unit, pressure detection unit, flow detection unit and each valve. The utility model discloses the original air supply air compressor unit and air extractor air compressor combination is a set of air compressor unit, and the semi -open of the air -exhausted entrance high altitude test chamber of the air -exhausted of the original from the atmosphere into high altitude test chamber, and the air -exhausted of the air -exhausted entrance high altitude test chamber of the outlet high altitude test chamber again, greatly reduced the construction cost and energy consumption of high altitude test bed, reduced the peak and valley wave difference of operation / non - operation stage energy consumption, thereby reduced the impact to regional power grid.

The application relates to the field of medical masks, in particular to a mask with a gastrointestinal mirror channel, which comprises a mask main body, an oxygen supply assembly, a gastrointestinal mirror channel assembly, an anti-aspiration assembly and a sealing adjustment assembly. The oxygen supply assembly provides clean and controllable breathing support through a multi-layer filter membrane and a flow adjustment function; the gastrointestinal mirror channel assembly is designed with a flexible sealing sleeve and an elastic support strip, thereby ensuring air tightness and adaptability during gastrointestinal mirror operation; the anti-aspiration assembly effectively deals with vomiting reflex or gastric content reflux through an arc-shaped baffle and a drainage groove; and the sealing adjustment assembly improves the adhesion and stability of the mask by using an air bag. The application can simultaneously realize breathing support and gastrointestinal mirror operation, and takes into account the safety and comfort of patients, thereby providing a perfect solution for digestive endoscopy.

The application belongs to the technical field of biomedical materials, and relates to an ultrasonic-induced inorganic afterglow luminescent material for promoting repair of tissue and organ defects as well as a preparation method and application thereof, and comprises the following steps: S1, dispersing an afterglow luminescent material and citric acid in an aqueous solution to obtain a precursor solution for hydrothermal reaction; and S2, adding a titanium oxide-based material to the precursor solution provided in S1 to perform hydrothermal reaction in a reaction kettle to obtain a titanium oxide-based luminescent material loaded with the afterglow material; wherein the afterglow material is one or more of an aluminate-based afterglow luminescent material and a titanate afterglow luminescent material. Compared with the prior art, the ultrasonic-induced inorganic afterglow luminescent material prepared in the application is composed of titanium oxide and the afterglow material, and can produce afterglow luminescence under ultrasonic excitation. By loading microalgae with photosynthesis, oxygen supply to an oxygen-deficient bone defect site is controlled by ultrasonic waves, blood vessel regeneration is promoted, and efficient repair of the bone defect is realized.

This invention discloses a method for testing the oxygen partial pressure of a pressurized oxygen supply mask. The pressurized oxygen supply mask is placed inside a sealed container. The data cable of the oxygen partial pressure sensor on the pressurized oxygen supply mask passes through the sealed container in a sealed manner. A vacuuming device and an oxygen supply device are connected to the outside of the sealed container. A temperature sensor for monitoring the internal temperature is installed on the sealed container. The sealed container is first evacuated and then filled with oxygen. The theoretical value of the oxygen partial pressure inside the sealed container is then calculated, and the corresponding phase value output by the oxygen partial pressure sensor is recorded. Then, the theoretical values ​​and phase values ​​of the oxygen partial pressure at different temperatures are collected, and the data is fitted to calibrate the parameters relating the measured value and the phase value of the oxygen partial pressure sensor. These parameters are then written into the oxygen partial pressure sensor. Finally, the theoretical value of the oxygen partial pressure is compared with the measured value of the oxygen partial pressure sensor to verify the accuracy of the oxygen partial pressure sensor. This method can accurately test the accuracy of the oxygen partial pressure sensor on a pressurized oxygen supply mask.

The utility model relates to the field of medical apparatus and instruments provides high flow nasal oxygen pipe of carbon dioxide can be detected, including nose oxygen head, is equipped with the rope for fixing in patient's head on nose oxygen head, the bottom intercommunication of nose oxygen head has the nose oxygen catheter for transmission oxygen, the other end intercommunication of nose oxygen catheter has oxygen supply end connector, and the other end of oxygen supply end connector is fixedly connected with oxygen supply equipment and intercommunication, the sleeve of several keep rings is equipped on nose oxygen catheter, and keep ring is fixedly connected with carbon dioxide detection head, and the periphery sleeve of carbon dioxide detection head is equipped with universal pipe. Still include swivel joint, and swivel joint one end is rotatably connected with nose oxygen head bottom, and swivel joint other end is fixedly connected with nose oxygen catheter. The nose oxygen pipe can selectively carry out carbon dioxide detection to patient's left and right nostrils or oral cavity, can more effectively monitor the concentration of carbon dioxide exhaled by patient, can help doctor timely or early discover part of unobvious pathological phenomenon, has positive significance to the patient of treating single nostril breathing and oral breathing.

A method for enriching the reactants of a burner (1) positioned on a wall (2) of an industrial furnace (3) with oxygen, characterized in that the enrichment is carried out in the furnace by oxygen supplied through at least two lances (4) passing through the furnace wall and whose ends (41) open into the furnace in the vicinity of the burner. Figure for the abstract: 7

This invention discloses a method and system for predicting converter gas and coordinating oxygen optimization based on trend perception, belonging to the field of intelligent control and energy optimization technology. The method for predicting converter gas and coordinating oxygen optimization includes: data acquisition and preprocessing; constructing a historical trend sample set; performing real-time single-time prediction of gas based on similarity matching; multi-step rolling prediction; and inputting the obtained multi-step prediction result sequence into an oxygen dynamic control model, thereby enabling real-time control of the oxygen supply. This invention is applicable to the energy management system of converter steelmaking processes, achieving dynamic balance between oxygen production and consumption, minimizing emissions, improving energy utilization, and reducing external purchase costs. It features accurate prediction, fast response, and strong adaptability.

This invention belongs to the field of blast furnace ironmaking technology and discloses an operation method for discharging low-temperature slag and iron from the taphole, including: S1, detecting the temperature of the molten iron discharged from the taphole; when the temperature of the molten iron is lower than a first preset temperature, using a taphole opener to open a closed portion of the taphole; S2, removing the taphole opener, simultaneously introducing an oxygen-burning pipe and a compressed air blowing pipe into the taphole, introducing oxygen into the oxygen-burning pipe and igniting the oxygen pipe until the taphole is fully open; S3, shutting off the oxygen supply and removing the oxygen-burning pipe; S4, adding combustion-supporting powder into the compressed air blowing pipe and introducing compressed air; S5, gradually pushing the compressed air blowing pipe into the taphole until the length of the compressed air blowing pipe outside the taphole is equal to the safe length; S6, replacing with a spare compressed air blowing pipe and introducing it into the taphole, repeating S4 and S5 until all slag and iron are discharged from the taphole. This operation method can effectively discharge low-temperature slag and iron at a relatively low production cost and has good safety.