50 results about "Oxygen distribution" patented technology

The invention discloses a sewage biological reaction tank treatment method based on plant root filler, and relates to the technical field of environmental engineering and water treatment.The sewage biological reaction tank treatment method comprises the following steps that a unified event time base line is constructed, an inflow fluctuation frequency spectrum is extracted, nutritive salt layering fingerprints are generated, and a layering risk field in a reaction tank is quantified; under the constraint of layered fingerprints of nutritive salt, the three-dimensional gradient of dissolved oxygen distribution is reconstructed, an oxygen debt threshold value is calculated, and micro-area space coordinates of the suffocation area are positioned. By constructing a uniform event time baseline, time sequence identification and response control of inflow disturbance are realized, a precise positioning suffocation area is reconstructed in combination with nutritive salt layered fingerprints and oxygen distribution, a root zone physiological signal is introduced to identify a fragile layer, and aeration and inflow are cooperatively regulated and controlled, so that synchronous destructive intervention is realized; finally, a layered structure is controlled and cut off through the time reversal flow state, a dynamic closed-loop regulation and control mechanism is constructed, and the stability of the reaction tank under the fluctuating working condition and the consistency of the effluent quality are effectively improved.

The utility model discloses dragging equipment for a fishpond aerator. The dragging equipment comprises a driving device, a transmission device, a hanging assembly and a limiting block set. The driving device is arranged at one end of the fishpond, and the transmission device is arranged at the other end of the fishpond relative to the driving device; the two ends of the mounting assembly are slidably connected to the driving device and the transmission device, the aerator and the limiting block sets are connected to the mounting assembly, and the aerator is arranged between the limiting block sets. The driving device and the transmission device are arranged at the two ends of the fishpond respectively, the hanging assembly can slide in the whole fishpond range, and therefore the aerator can flexibly move in the needed time and place. Therefore, the efficiency of oxygenation operation is improved, and the uniformity of oxygen distribution in each area of the fishpond is ensured.

The invention relates to a device for safely actuating a gaseous oxygen supply container in an aircraft for dispensing oxygen to a user, the container (1) being intended to store pressurized oxygen at a first oxygen pressure and having an opening (2) sealed by a seal (9). The apparatus comprises: a manifold (4) connected in fluid communication with the seal (9) and configured to receive a flow of oxygen from the opening (2) when the seal (9) is pierced, the manifold (4) comprising an oxygen flow circuit (11), an oxygen flow circuit connected in fluid communication with the seal (10) and having an outlet (14) at a second oxygen pressure lower than the first pressure and a pressure reducer (13) having means (12, 15, 16) for regulating the oxygen pressure between the opening (2) and the outlet (14) during flow; and an actuator (7) located in the opening (2), the actuator being configured to pierce the seal (9) when triggered to allow oxygen to flow from the container (1) through the opening (2) to the outlet (14), the oxygen flow circuit (11) comprising a calibration aperture (17) provided at the outlet (14), the calibration aperture is configured to prevent any accumulation of oxygen at a third pressure between the first pressure and the second pressure without triggering the actuator (7) in the event that oxygen flows to the outlet (14).

The application discloses an aeration dynamic balance digital control method and system for coping with flow state distortion, relates to the technical field of sewage treatment, and comprises the following steps: constructing a sewage treatment aerobic tank multi-point dissolved oxygen and flow state synchronous monitoring system, continuously collecting spatial distribution data of dissolved oxygen, water flow velocity and density in the tank, and generating a flow state distribution graph reflecting the flow state distribution characteristics in the tank; based on the flow state distribution graph, the collected water flow velocity gradient and dissolved oxygen difference are subjected to collaborative feature extraction, and an abnormal area with flow state distortion is identified. Through multi-point monitoring and dynamic weighted control, the application realizes real-time identification of the flow state of the aerobic tank and accurate regulation of the air quantity, maintains the balance of the dissolved oxygen distribution, improves the oxygen transfer efficiency and the operation stability; by introducing a fluid correction factor and a time sequence prediction model, a control closed loop with self-learning and energy-saving optimization capabilities is established, and the intelligence and economy of the aeration process are improved.

The invention provides a power system power compensation method based on oxygen distribution and an oxygen distribution system, and relates to the technical field of vehicle-mounted oxygen production, and the method comprises the following steps: determining the oxygen production amount and the oxygen demand amount of a passenger compartment; judging whether redundant oxygen exists or not according to the oxygen production amount and the oxygen demand amount; if it is determined that the redundant oxygen exists, the redundant oxygen is distributed to the air inlet end of the power system, so that power compensation of the power system is achieved; and if it is determined that no redundant oxygen exists, the oxygen production amount is increased based on the oxygen consumption amount of the power system. Oxygen supply can be carried out by considering overall operation of a vehicle power system and physiological needs of people.

The application discloses a sewage collection system for dispersed emission sources 2 O processing linkage system and processing method, the linkage system comprises: sewage pretreatment and pipe network collection system, A 2 O processing system and discharge system. The application solves the sewage collection problem caused by complex terrain in the sewage collection range by adopting negative pressure collection technology, improves the sewage collection efficiency, creatively applies the air stripping technology, the Venturi technology and the siphon technology to the sewage process, and only needs a self-priming pump to realize the sewage collection and A 2 O process of sewage lifting, sludge and water backflow and oxygenation; the Venturi jet device directly performs jet aeration on the aerobic tower, reduces the dependence on high-energy consumption mechanical aeration blower, avoids resource waste and material loss; meanwhile, the water flow and dissolved oxygen distribution of the reaction tank are optimized, natural circulation is formed between the aerobic tower and the anoxic tower through the density difference, no additional power is needed, the energy consumption is reduced, the denitrification and phosphorus removal process is promoted, and the treatment efficiency is significantly improved.

The application discloses a kind of based on multi-modal perception's combustion equipment adaptive control system and method, belong to equipment control technical field.The application gathers air duct and fan parameter, constructs air duct flow mapping model of primary air and secondary air independence, and is calibrated to form the benchmark control parameter table of each combustion stage under standard condition;Real-time acquisition equipment operation data calculates fuel supply amount, based on energy conservation principle combined with extended Kalman filter algorithm backstepping current particle actual low calorific value;Based on real-time calorific value, predict the trend of furnace temperature change, calculate the optimal flow sequence of primary air and secondary air by multi-objective optimization and back solution as damper and fan instruction;Establish the mapping relationship between flue oxygen content and furnace oxygen gradient, deduce the optimal secondary air injection interval and correct execution instruction.The application realizes the accurate control of combustion process, significantly improves the combustion efficiency and fuel adaptability, optimizes the oxygen distribution of furnace, effectively reduces pollutant emission.

The invention relates to a coal-fired unit denitration inlet and air preheater outlet parameter control system and method, and the system comprises a denitration inlet measurement module which is used for carrying out the uniform sampling of flue gas at a plurality of flue gas sampling ports preset on a plurality of measurement supports, and carrying out the measurement coupling of a temperature field; the air preheater outlet measuring module is used for obtaining temperature field data and oxygen field data at the section of an outlet flue according to the temperature field and the oxygen distribution; the data processing and analyzing module is used for analyzing flue gas components at a denitration inlet of the coal-fired unit and an outlet of an air preheater; and the control execution module is used for adjusting the operation parameters of the denitration system according to the temperature meeting the preset lowest point condition and adjusting the operation parameters of the air preheater. According to the application, high-precision measurement of temperature fields and flue gas components at a denitration inlet and an air pre-heater outlet is realized, and safe, efficient and environment-friendly operation of a coal-fired unit under a novel power system is guaranteed.

The utility model discloses a health-care oxygen tank oxygenating device, and belongs to the technical field of gas filling facilities. Comprising a left frame body and a right frame body, and the opposite sides of the front lower portions and the rear lower portions of the left frame body and the right frame body are connected through frame body lower portion supporting and fixing beams respectively. The oxygenating conveying pipe is arranged between the left frame body and the right frame body, a pressure transmitter is arranged on a pipeline of the oxygenating conveying pipe, and oxygen leading-out connecting nozzles are connected to the pipeline of the oxygenating conveying pipe in an extending mode at intervals; the introduction oxygen distribution pipe is connected with the electromagnetic valve through an oxygen diversion transition pipe; the health-care oxygen tank oxygenation positioning control mechanism is fixed on the health-care oxygen tank oxygenation fixing frame connecting beam; the electrical cabinet is arranged on the lower portion of the left frame body, the man-machine interface operation controller is arranged on the upper portion of the left frame body and connected with the electrical cabinet, and the pressure transmitter and the electromagnetic valve are electrically connected with the man-machine interface operation controller. The device has the advantages that the stability, reliability and safety of oxygen supply are guaranteed; a good intensive effect is achieved; management and monitoring are facilitated, and safety is fully guaranteed.

The invention relates to the technical field of medical instruments, in particular to a mask support with an oxygenation function, which comprises a support frame, two fixing buckles, a fixing block, a transmission pipe, a connector and a regulating valve, the conveying pipe is provided with a plurality of first air outlet holes, the supporting frame is provided with a plurality of second air outlet holes, and the mask support achieves even distribution and efficient conveying of oxygen through the supporting frame, the adjustable fixing buckle, the stable fixing block, the flexible silica gel conveying pipe, the sealed connector and the precise adjusting valve. And the oxygen distribution effect is further optimized through a second air outlet hole and a first air outlet hole which are formed in the supporting frame and the conveying pipe respectively. The oxygen delivery efficiency is improved, the wearing comfort is enhanced, the mask can be installed and replaced through the two fixing buckles, the use cost is reduced, and meanwhile operation and maintenance are convenient. The oxygen mask is particularly suitable for patients needing to use oxygen masks for a long time, and the use experience and economical efficiency of the patients can be remarkably improved.

The utility model discloses a production device of polymeric ferric chloride sulfate, which comprises a pressure-resistant tank body, a main / auxiliary liquid inlet pipe orifice, an exhaust pipe orifice and an upper gas inlet pipe orifice are arranged at the top of the pressure-resistant tank body, a liquid outlet pipe orifice is arranged at the bottom of the pressure-resistant tank body, and three lower gas inlet pipe orifices are uniformly distributed in the circumferential direction of the tank body; the main ejector is connected with a main liquid inlet pipe opening and exhausts circularly, and the auxiliary ejector injects liquid into the position below the liquid level through an extension pipe. According to the utility model, the design of an under-liquid gas distribution pipe is canceled, and a three-dimensional gas supply layout is adopted, so that the problems that the traditional structure is easy to corrode and perforate and the gas distribution is non-uniform are solved; the lower gas inlet pipe opening and the upper gas inlet pipe opening which are circumferentially symmetrical form a spiral gas-liquid mixed flow, the gas diffusion uniformity is improved, and oxidation dead angles are reduced; the main ejector and the auxiliary ejector work cooperatively, the long throat structure of the main ejector strengthens turbulent mixing, the short throat design of the auxiliary ejector generates deep microbubbles, the gas-liquid contact area is increased, and the reaction efficiency is improved; the oxygen distribution proportion and the injection mode can be flexibly adjusted to adapt to the raw material concentration fluctuation of + / -20%.

The invention relates to an oxygen distribution switch and an intelligent gas path distribution system thereof in the technical field of gas flow distribution control. The oxygen distribution switch comprises a distribution body and two control mechanisms, an inlet C and an inlet B are formed in the two sides of the distribution body, cavity grooves are formed in the two end faces of the distribution body, the groove walls of the two cavity grooves are communicated with a D1 through opening and an E outlet, a first top protruding part is arranged at the groove bottom of each cavity groove, and first vent holes are formed in the top faces of the two first top protruding parts; each control mechanism comprises a valve body, an inlet A and a port D2 are formed in the outer end face of each valve body, the ports D2 are communicated with the ports D1, a sliding groove is formed in the inner end face of each valve body, a containing groove is formed in the groove bottom of each sliding groove, second top protruding parts are arranged at the groove bottom of each containing groove, second vent holes are formed in the top faces of the two second top protruding parts, and a movable iron core is arranged in each sliding groove in a sliding mode; a third vent hole is formed in the movable iron core, an elastic element is arranged in the containing groove, and the valve body is sleeved with an electromagnetic coil. The distribution switch is compact in layout and small in occupied space, and the system can automatically distribute oxygen gas path flow according to requirements.

The invention relates to the field of gypsum production, in particular to a gypsum refining device. The lower part of the premixing reaction kettle is communicated with the total reaction kettle through an oxygen supplementing part, the upper part of the premixing reaction kettle is provided with a liquid adding assembly, the premixing reaction kettle is connected with the conveyor assembly through the liquid adding assembly, and the gypsum material is premixed in advance through the liquid adding assembly; an oxygen supplementing part is arranged between the premixing reaction kettle and the total reaction kettle; the oxygen supplementing part is of a double-layer bottle-shaped hollow structure, a flow passing channel is formed in the middle of the oxygen supplementing part, an oxygen storage cavity is formed in the oxygen supplementing part, an oxygen dividing frame is fixedly arranged in the flow passing channel, the oxygen dividing frame is of a hollow three-dimensional structure and is communicated with the oxygen storage cavity, and the oxygen storage cavity is communicated with the oxygen conveying pipe; and the problems of overlarge bubbles, non-uniform mixing and reaction lag in the traditional one-step method are avoided.

This invention discloses a numerical evaluation method for the aeration efficiency of a pumping aerator based on multi-field coupling, belonging to the field of in-situ water quality remediation technology for water sources and reservoirs. The method includes: establishing a three-dimensional computational model of the pumping aerator and completing network partitioning and regional densification; using an iterative coupling calculation with a gas-liquid two-phase flow model, an interphase mass transfer model, and an oxygen component transport model to obtain the target cross-sectional velocity and the dissolved oxygen concentration distribution throughout the water area; performing area-weighted averaging on the target cross-sectional velocity to obtain its average velocity; calculating the corresponding flow rate based on the target cross-sectional area and average velocity, and combining this with the increase in oxygen concentration to complete the numerical evaluation of aeration efficiency. This invention, through multi-field coupling calculation, simulates the entire process of oxygen dissolution and diffusion, obtaining a dissolved oxygen distribution consistent with on-site measurements. It solves the problem of difficult measurement of dissolved oxygen at the bottom of deep-water reservoirs, enabling accurate quantitative evaluation of aeration efficiency without extensive underwater monitoring, and significantly reducing evaluation costs.

The invention discloses an intelligent matching system and a control method, and belongs to the technical field of ship power and intelligent control, and the control method comprises the following steps: collecting and resolving ship attitude data in real time through an inertial measurement unit; modeling the historical time series data by using a long short-term memory network, and predicting a future short-term hull attitude sequence; constructing a dynamic fluid distribution model by combining attitude prediction and the working condition of the cell stack, predicting the oxygen concentration of each region and identifying the risk level of gas shortage; dynamically generating an optimal control instruction of partition flow allocation and global pressure coordination by adopting a model prediction control framework; and multi-source feedback signals are fused, extended Kalman filtering and an online parameter identification mechanism are combined, real-time correction and incremental learning are performed on a prediction model, and prospective accurate matching and adaptive optimization are realized. According to the method, prospective accurate matching of oxygen supply and fuel cell requirements under the dynamic sea condition is realized, the oxygen distribution uniformity, the cell stack operation stability and the overall energy efficiency of the system are remarkably improved, and the method has strong self-adaption and robustness.

The application discloses a high-temperature spray gun mounting mechanism and a glass tank furnace, which comprises an oxygen distribution chamber, an oxygen distribution sheet, a connecting piece, a spray gun brick and a spray gun joint; the oxygen distribution chamber is a hollow frustum structure, a fifth through hole is formed in the small end of the oxygen distribution chamber, and the large end of the oxygen distribution chamber is open; an oxygen inlet is further formed in the side wall of the oxygen distribution chamber; the spray gun joint is detachably installed in the fifth through hole; a middle part of the connecting piece is provided with an embedded through groove, and the large end of the oxygen distribution chamber is detachably fixed with the connecting piece; the oxygen distribution sheet is clamped between the connecting plate and the large end of the oxygen distribution chamber, a third through hole and a plurality of fourth through holes arranged along the circumference of the third through hole are formed in the middle part of the oxygen distribution sheet; the middle part of the spray gun brick is provided with a first through hole penetrating along the axial direction of the spray gun brick, the spray gun brick is embedded in the embedded through groove and abuts against the oxygen distribution sheet, and the fourth through holes and the third through hole are both located in the range of the first through hole. The application can install different spray guns and ensure the combustion effect of the spray gun.

The utility model discloses a wastewater treatment aeration device relates to wastewater treatment technical field, include: air pump, aeration pipe network, gas transmission seat are equipped with the installation through -hole and the air inlet channel of one end connection pump gas port of air pump, speed reducer motor, the rotation axis pipe, one end connection air inlet of aeration pipe network, and the other end is connected with the motor shaft of speed reducer motor through the shaft coupling, bearing seat, install rotation axis pipe, tubular shaft coupling, its outer tube wall is equipped with annular air inlet groove and is located air inlet groove and is connected with the air inlet hole of shaft coupling inside, wherein, the shaft coupling is through the installation through -hole, and is equipped with two sealing rings between shaft coupling outer wall and installation through -hole, and the air inlet groove is located between two sealing rings, and the other end of air inlet channel is connected with air inlet groove. The device is better in dissolved oxygen distribution uniformity, and the pollutant degradation efficiency is higher, and the structure is simple, and can bear long -term vibration and air pressure impact.

The utility model relates to the technical field of medical oxygen inhalation equipment, and provides an oxygen inhalation assembly of an oxygen generator, which comprises an oxygen guide tube connected with the oxygen generator, an oxygen inhalation tube arranged at the tail end of the oxygen guide tube and two oxygen outlet tubes arranged on the oxygen inhalation tube, the oxygen inhalation assembly further comprises an oral-nasal mask detachably arranged on the oxygen guide pipe, a guide pipe is arranged on the oral-nasal mask, an oxygen dividing opening is formed in the oxygen guide pipe, a sealing valve is arranged on the oxygen dividing opening, and a second connector used for being in butt joint with the oxygen dividing opening is arranged at the end, away from the oral-nasal mask, of the guide pipe. The oxygen uptake effect of a nose oxygen uptake mode during gastroscopy operation is guaranteed, the requirement for oxygen uptake of the mouth and the nose of a patient at the same time can be met quickly when the patient suffers from hypoxemia, the operation burden of medical staff is reduced, and meanwhile extra discomfort and trouble brought to the patient are avoided.

The utility model discloses a water pushing device for mandarin fish culture and belongs to the technical field of mandarin fish culture. The device comprises a vertical moving mechanism, a mounting frame, a horizontal moving mechanism and a water pushing mechanism, a moving part of the vertical moving mechanism is fixedly connected with the mounting frame, and the vertical moving mechanism is used for being fixed to a to-be-mounted object; the horizontal moving mechanism is mounted on the mounting frame, the mounting frame is slidably connected with the water pushing mechanism, and a moving part of the horizontal moving mechanism is fixedly connected with the water pushing mechanism. In the device, the installation depth of the water pushing mechanism and the distance from the water pushing mechanism to the center of the fishpond can be adjusted, water flow distribution can be remarkably optimized, water quality management can be improved, the water circulation efficiency and oxygen distribution can be improved, and meanwhile the requirements of different breeding stages are met.

The utility model relates to the technical field of hot blast stoves, in particular to a novel portable particle burning hot blast stove which comprises a stove body, a burning cavity and a heat exchange cavity which are communicated with each other are arranged in the stove body, a hearth is arranged in the burning cavity, a burner is arranged in the hearth, and a plurality of oxygen distribution pipes communicated with the burning cavity are arranged on the hearth. A hopper is fixedly arranged at the top of the furnace body, the bottom of the hopper penetrates through the furnace body and communicates with the top of the hearth, a multi-return-stroke heat exchanger is fixedly arranged in the heat exchange cavity, one end of the multi-return-stroke heat exchanger communicates with the middle of the hearth through a communicating pipe, and a smoke guiding machine is fixedly arranged outside the furnace body. The other end of the multi-return-stroke heat exchanger communicates with the smoke inlet end of the smoke guiding machine, an air blower is fixedly arranged outside the portion, below the smoke guiding machine, of the furnace body, the air outlet end of the air blower communicates with the heat exchange cavity, an air outlet is formed in the side, away from the air blower, of the furnace body, and a controller is arranged at the top of the furnace body and electrically connected with the combustor, the smoke guiding machine and the air blower.

The utility model relates to the technical field of non-ferrous metal metallurgy, in particular to a secondary air oxygen distribution system of a side-blown converter, which is characterized in that a gas component analyzer is arranged at a flue gas outlet of the side-blown converter, one end of a secondary air main pipeline is connected with an air feeder, and the other end is connected with a mixing pipe; the mixing pipe is arranged in a flue gas area of the side-blown converter, and a gas mixing device is arranged in the mixing pipe; a secondary air branch pipe is arranged on the secondary air main pipeline, the secondary air branch pipe is connected with an oxygen pipeline, and a first flow regulating valve is arranged on the oxygen pipeline; a second flow regulating valve is arranged on the secondary air main pipeline, and is arranged between the air feeder and the secondary air branch pipe; and the gas component analyzer, the first flow regulating valve and the second flow regulating valve are connected with a control system. The real-time combustion state and component information of flue gas can be accurately obtained, the flow ratio of oxygen to the air supply amount is accurately controlled, the oxygen distribution accuracy is improved, the combustion efficiency of the flue gas is improved, and emission of harmful substances is reduced.

This invention relates to the field of water treatment technology and discloses an environmentally friendly water treatment aeration device. The device includes a treatment tank, a rotating shaft rotatably connected to the inner wall of the tank, an air pipe fixedly connected to the inner wall of the rotating shaft, an air pipe 2 fixedly connected to the inner wall of the air pipe 1, an air pipe 3 fixedly connected to the circumferential surface of the air pipe 2, a gear rotatably connected to the circumferential surface of the air pipe 2, blades fixedly connected to the circumferential surface of the shaft, and an aerator fixedly connected to the top of the shaft. This device agitates the water and injects oxygen, effectively increasing the oxygen distribution range and the contact area between oxygen and wastewater. Simultaneously, it can heat the wastewater comprehensively when the temperature is too low, preventing the water viscosity from increasing due to low temperatures, thus reducing the resistance to oxygen diffusion from air bubbles to the water and consequently significantly decreasing aeration efficiency. Furthermore, the activity of aerobic bacteria decreases due to the low-temperature environment, leading to a decrease in wastewater treatment efficiency.

The utility model provides an oxygen-enriched side-blown converter capable of being rapidly heated, and belongs to the technical field of oxygen-enriched side-blown converters. Comprising a guide assembly, the guide assembly is arranged at the bottom of an oxygenation assembly, the guide assembly comprises a second connecting ring fixed to the bottom of the oxygenation assembly, an annular plate is fixed to the bottom of the second connecting ring, a rotating shaft is arranged in the middle of the second connecting ring, blades are fixed to the middle of the rotating shaft, and the two sides, away from the blades, of the rotating shaft are sleeved with third connecting rings; arc-shaped pieces are fixed between the third connecting rings, the second connecting rings are connected with the guiding assembly and the oxygenating assembly, and the stable structure is ensured; an annular plate at the bottom of the second connecting rings is used for regulating the flow direction of oxygen and enabling the oxygen to enter a furnace in order; a rotating shaft is arranged in the middle of the second connecting rings and drives middle blades to rotate during operation; third connecting rings sleeve the two sides of the rotating shaft, and arc-shaped sheets are fixed between the third connecting rings, so that when wind power is enhanced, the arc-shaped sheets disturb flow, and the oxygen and the materials are promoted to be fully mixed.

The utility model discloses an oxygen supply device for agricultural and sideline aquatic product transfer, which belongs to the technical field of aquatic product oxygen supply and comprises a breather pipe and an air outlet plate box, vent holes are formed in the periphery of the top and the side face of the air outlet plate box, and a connecting piece is arranged at the top of the air outlet plate box. A plurality of groups of air outlet plate boxes are connected and communicated through the connecting pieces, then oxygen is introduced into the communicated air outlet plate boxes through the connectors installed at the ends of the ventilation pipes, the air outlet plate boxes are communicated through the ventilation pipes, and the air outlet plate boxes are communicated through the connectors installed at the ends of the ventilation pipes. Oxygen is diffused in the multiple sets of air outlet plate boxes and then diffused outwards from the ventilation holes, the situation that the multiple ventilation pipes occupy space is avoided, meanwhile, the air outlet plate boxes are flatly laid at the water bottom, the occupied space is small, oxygen is evenly distributed, and the phenomenon that aquatic products die locally due to uneven oxygen distribution is avoided.

The present invention relates to a facility for raising animals, particularly poultry and pigs, comprising means for supplying water to the animals for drinking, the supply means comprising: - a syringe (7, 8) that enables the injection of gas into the water; - a water inlet line (20) and an air inlet line (3, 4, 5, 6) leading to the syringe; and - a source (1) of oxygen or an oxygen-containing gas mixture, such as an oxygen reservoir capable of distributing oxygen to the gas line; - a water tank (17) at atmospheric pressure, the syringe being supplied with water from the water tank located therein, the water tank also being able to be supplied with fresh water (20); - a coil (10) capable of receiving dissolved oxygen-laden water from the syringe, the water reaching the coil by means of a pump (9), the coil enabling a water / oxygen contact time; - water leaving the coil passing through an outlet (12) so as to be directed entirely to the drinking area or partially to the drinking area and partially to the water tank (17). The invention is characterized by performing two simultaneous injections of oxygen or an oxygen-containing mixture in water: one (3, 5, 7) upstream of the pump and another (4, 6, 8) downstream of the pump (9), wherein the flow rate of the injection performed upstream of the pump is lower than the flow rate of the injection performed downstream of the pump.

This invention discloses an oxygen generator oxygen output system and an oxygen generator output valve. The system includes an oxygen input module, an oxygen output module, an oxygen flow control module, and an oxygen flow path self-cleaning module. The input and output modules each have a first and a second medium channel with a single opening and arranged in opposite directions. The flow control module connects the two channels via an internal valve to control the oxygen flow. The self-cleaning module delivers clean gas to the flow path during oxygen generator downtime or within a preset cycle to purge impurities and condensate, ensuring the path remains clean. The output valve includes a third component with an internal valve connecting the first and second flow channels and an external mounting hole for stable fixation. This solution improves system adaptability through modular layout, prevents impurity accumulation through self-cleaning, ensures efficient oxygen distribution through precise on / off control of the output valve, and provides a stable overall structure and pure oxygen output, making it suitable for medical oxygen generators.

The utility model provides a novel oxygen lance nozzle for a converter, which comprises an oxygen spraying pipe, a plurality of oxygen spraying holes I arranged at the end part of the oxygen spraying pipe and an oxygen distributing pipe arranged in the oxygen spraying pipe in a penetrating manner, one end of the oxygen distributing pipe is communicated with an oxygen spraying hole II, the plurality of oxygen spraying holes I are arranged at the periphery of the oxygen spraying hole II in an annular array manner, and the oxygen spraying holes II are communicated with the oxygen distributing pipe. A distribution assembly used for distributing oxygen to the second oxygen spraying holes is arranged at the other end of the oxygen distributing pipe, a plurality of long holes are formed in the side portion of the oxygen distributing pipe in an array mode, internal threads are arranged on the inner side of the other end of the oxygen distributing pipe, and the distribution assembly comprises a valve rod with one end movably arranged at the long holes in the oxygen distributing pipe and a valve head connected with the other end of the valve rod. According to the novel oxygen lance nozzle for the converter, the length of a jet flow core area is enhanced through high-Mach-number jetting of the outlet of the second oxygen spraying hole so as to improve the slagging rate, splashing of liquid metal is reduced through low-Mach-number jetting of the outlet of the first oxygen spraying hole, the splashing of the liquid metal is reduced while the smelting efficiency is improved, and the oxygen lance is safer to use.

The utility model relates to the technical field of sludge aerobic fermentation, in particular to a circulation micro-aerobic intermittent sludge aerobic fermentation treatment cabin which comprises a fermentation cabin body, an aeration system, guide plates and spoilers. The aeration system adopts a multi-stage spiral aeration pipe and a nano microporous aeration membrane, and an intermittent pulse oxygen supply mode is combined, so that the oxygen distribution is optimized, and the utilization rate is improved; the design of the guide plates and the spoilers enhances the sludge circulation effect and improves the fermentation efficiency. A gas filtering device is arranged at the top of the fermentation cabin, a heat-insulating layer and a heating pipe are arranged on the outer wall, and a sludge outlet is formed in the bottom. According to the invention, uniform distribution of oxygen can be realized, local oxygen deficiency or peroxidation is avoided, energy consumption and operation cost are reduced, and efficient, economic and environment-friendly sludge treatment requirements are met.

The invention discloses an efficient pressure leaching system and a control method thereof, and belongs to the technical field of hydrometallurgy. The system comprises a three-partition four-chamber autoclave, a bottom oxygen introduction module, a temperature control system, a tail gas recycling device and a pre-flash tank. The interior of the autoclave is divided into four compartments through retaining walls, liquid mixing holes are formed in the bottoms of the retaining walls to achieve pulp mixing, and the volume coefficient is not lower than 0.85. The bottom oxygen introduction module adopts a PEEK / 904 composite oxygen pipe and a distribution ring to realize uniform oxygen distribution; the temperature control system is linked with a sensor through a PLC (Programmable Logic Controller) to realize accurate control on temperature and oxygen partial pressure; the tail gas is reused in the normal-pressure leaching tank through the jet mixer; the ore pulp is separated after being subjected to two-stage flash evaporation through the pre-flash evaporation tank and the flash evaporation tank. Through structure optimization and intelligent control, efficient leaching of nickel is achieved, the leaching rate is larger than or equal to 96%, the oxygen utilization rate is larger than or equal to 95%, the steam unit consumption is reduced by 38% or above, and the system is stable and reliable in operation and suitable for wet metallurgy treatment of complex nickel raw materials.

The invention belongs to the technical field of water pollution control and treatment, particularly relates to integrated treatment equipment and method for wastewater of coating processing, and provides the following scheme aiming at low sewage treatment efficiency caused by non-uniform oxygen content distribution and poor living environment of aerobic bacteria in aeration treatment of an aerobic tank: the integrated treatment equipment comprises an aerobic tank box body, the bottom end of the aerobic tank box body is fixedly connected with a base, one side of the aerobic tank box body is fixedly connected with an external frame, a microporous aerator is arranged in the external frame, and two Roots blowers are arranged at an outlet of the microporous aerator. According to the coating processing wastewater integrated treatment equipment and method disclosed by the invention, compressed air bubbles are uniformly distributed in the box body of the aerobic tank in an omnibearing manner, so that the oxygen content in the tank is maintained at a relatively high and uniform level, a good living environment is provided for aerobic bacteria, and meanwhile, the spraying head is stable in structure in the rotating and shaking process, so that the spraying efficiency is improved. The device adapts to complex working conditions of coating sewage treatment, and long-term reliable operation of the device is guaranteed.