44 results about "Oxygen pressure" patented technology

The invention discloses an oxygen supply pressure dynamic adjusting method and system based on a medical cabin, and relates to the technical field of medical equipment and medical information.The method comprises the steps that the real-time oxygen supply pressure of the medical cabin and physiological data of a patient are collected; predicting pressure disturbance of an oxygen supply network through a graph neural network, and identifying a risk medical cabin; monitoring oxygen pressure mutation at an inlet of an oxygen supply pipeline, and identifying an interfered medical cabin; based on the real-time physiological data of the patient, generating a dynamic physiological baseline through parameter empirical Bayesian calibration; calculating a comprehensive deviation index of the physiological data and the baseline through sliding window integration, and determining a compensation control vector; generating a compensation instruction set by combining the abrupt change of oxygen pressure and the compensation control vector; the executed physiological parameters and oxygen supply pressure data are fed back to the medical health big data platform, and closed-loop adjustment is achieved. The problems that an existing medical cabin oxygen supply system is insufficient in accuracy, weak in anti-interference capacity, difficult in personalized adjustment and the like due to control lag, passive response and static reference setting are effectively solved.

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.

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 utility model provides a temperature control system and an oxygen pressure leaching device, and relates to the field of hydrometallurgy. The temperature control system comprises a heat exchange piece, a first pipeline assembly and a second pipeline assembly. The heat exchange piece is arranged in the reaction kettle, the heat exchange piece is provided with a heat exchange cavity, and the first pipeline assembly and the second pipeline assembly are both communicated with the heat exchange cavity; the first pipeline assembly comprises a first pipeline and a second pipeline which are connected in parallel, the first pipeline is used for bearing a cooling medium, and the second pipeline is used for bearing a heating medium; the first pipeline, the heat exchange chamber and the second pipeline assembly form a first flowing path; the second pipeline, the heat exchange cavity and the second pipeline assembly form a second flowing path. The temperature control system provided by the utility model solves the technical problems of high cost and high manufacturing difficulty of a reaction kettle temperature control method in the prior art.

The purpose of this invention is to propose an oxygen depressurization explosion-proof electrostatic vacuum noise silencing device, belonging to the field of safe handling of flammable and explosive industrial gases. The device includes a vertical cylindrical body, a bottom air inlet, a top exhaust outlet, supporting legs, and inside the cylinder, a bottom flame arrester, a multi-stage pressure reduction and deceleration assembly, an electrostatic elimination sound-absorbing layer, and a top flame arrester. Through multi-stage U-shaped microporous baffles, progressive pressure reduction and deceleration are achieved; the metal wire sound-absorbing layer eliminates static electricity and absorbs noise; and the upper and lower double-layer flame arresters block the backfire path, completely solving the problems of electrostatic explosion, backfire, and noise pollution during oxygen depressurization. This invention is suitable for high-risk scenarios such as liquid oxygen stations, ensuring the safe production of flammable and explosive chemical facilities, avoiding personal injury and property damage, while meeting environmental protection and noise reduction requirements.

The invention discloses a method and a system for controlling the pressure difference between hydrogen and oxygen in balanced water electrolysis hydrogen production. The pressure difference control on the two sides of hydrogen and oxygen is realized through the multi-stage progressive pressure regulating module, and the pressure on the hydrogen side is always higher than a preset first threshold value of the pressure on the oxygen side through the back pressure regulating module; under the basic pressure environment provided by the back pressure adjusting module, the pressure difference of the two sides of hydrogen and oxygen is monitored in real time, and when the pressure difference exceeds the target fluctuation range, the hydrogen and oxygen pressure difference is corrected to the target fluctuation range through the basic function differential pressure correction module; if the hydrogen-oxygen pressure difference is not recovered to the target fluctuation range after being corrected by the basic function differential pressure correction module, or the hydrogen-oxygen pressure difference directly exceeds a safety set value, the hydrogen-oxygen pressure difference is further corrected through the safety function differential pressure correction module; and if the safety function differential pressure correction module is ineffective in correction and the pressure on any side of hydrogen and oxygen reaches a physical protection set value, the physical protection module is started to execute physical pressure relief operation, so that the problem of differential pressure control caused by pressure fluctuation of the balanced electrolytic cell is solved.

The utility model provides a pressure gauge calibrating device oil-forbidden pressure gauge calibrating oil-water isolation device which comprises a device body, a partition plate is arranged in the center of the interior of the device body, a through hole is formed in the lower portion of the surface of the partition plate, a drain outlet plug is arranged on the left side of the top of the device body, and the drain outlet plug is arranged on the right side of the top of the device body. An oxygen oil prohibition meter connector is arranged on the top of the device body and located on the right side of the drain outlet plug, the detection device is installed on the left side of the bottom of the device body, and one end of the detection device connector is connected with a pressurization oil return pipe. The oil-water isolation device for the oil-forbidden pressure gauge verification of the pressure gauge verification device solves the problem that the spring rubber sealing plate of a crude oil-water isolation device is aged and fractured to leak oil and enter an oxygen pressure gauge to cause oil contamination, is high in safety performance and reliability, reduces frequent replacement of the elastic rubber sealing plate, and reduces the cost. And oil contamination explosion accidents in the use process of the oxygen pressure gauge are prevented.

This invention discloses an oxygen pressure leaching method and apparatus. The oxygen pressure leaching method includes at least one stage of oxygen pressure leaching process. This stage includes grinding underflow pretreatment, a first-stage oxygen pressure leaching treatment, a first-stage slurry heat exchange and depressurization, a first-stage slurry gas separation, and a first-stage slurry separation to obtain a first-stage concentrated supernatant and a first-stage concentrated underflow. Compared to existing processes, the method of this invention can effectively reduce oxygen and steam consumption. Using a single-stage oxygen pressure leaching process can reduce steam consumption by 70-100%, and using a two-stage oxygen pressure leaching process can reduce oxygen consumption by 27.5-36% and steam consumption by 58-100%.

The invention discloses a device for improving the use efficiency of a mechanical seal of an oxygen pressure ammonia leaching molybdenum and rhenium extraction reaction kettle, which comprises a collection frame and a water tank mounted on the top surface of the collection frame and used for temporarily storing pure water, a reaction kettle assembly for oxygen pressure ammonia leaching molybdenum and rhenium extraction is mounted on the collection frame, and a stainless steel distributor is mounted on the top surface of the collection frame. A pumping assembly used for adjusting the outlet pressure along with the change of the pressure in the reaction kettle assembly is connected between the water inlet of the stainless steel distributor and the water outlet of the water tank, a balance tank is further installed on the collection frame, and the reaction kettle assembly comprises a kettle body installed with the collection frame in a combined mode. No mixed gas, no other mixture and pure water exist in the gap between the mechanical seal movable ring and the mechanical seal movable ring, crystals cannot be generated in the gap between the mechanical seal movable ring and the mechanical seal movable ring after shutdown, and the phenomenon that the mechanical seal movable ring and the mechanical seal movable ring are adhered is avoided, so that the phenomenon that the mechanical seal movable ring and the mechanical seal movable ring are damaged during secondary starting is avoided. And the mechanical seal moving and static rings are damaged due to adhesion of the mechanical seal moving and static rings.

This invention discloses a method, device, system, and storage medium for predicting the thermo-oxidative aging performance of polyamide, including: acquiring experimental data of polyamide thermo-oxidative aging under various coupled conditions such as oxygen pressure, temperature, and sample thickness, and the corresponding tensile strength retention rate; constructing a modified response prediction closed-form formula based on the diffusion-reaction synergistic mechanism and introducing it as a soft physics constraint into the model; employing a multi-objective joint training strategy to simultaneously minimize data fitting error and physical equation residuals; evaluating and visualizing the performance of the trained model, solving for and outputting the model parameters. Using the technical solution of this invention, PINN driven by the reaction-diffusion synergistic closed-form formula is used to predict the thermo-oxidative aging performance of polyamide under multiple coupled conditions.

A multilayer shrink film having at least two barrier layers. The barrier layers including ethylene-vinyl alcohol copolymer with an ethylene content of between 27-50 mol %. The multilayer shrink film having a free shrink of at least 60% at 85° C. measured in accordance with ASTM D2732. The multilayer shrink film having an oxygen transmission rate of no more than: 20 cubic centimeters (at standard temperature and pressure) per square meter per day per 1 atmosphere of oxygen pressure differential measured at 0% relative humidity and 23° C. measured according to ASTM D-3985. The multilayer shrink film having a haze after shrink of less than 50% measured in accordance with ASTM D 1003.

The utility model provides a kind of oxygen pressure machine oil station with double interlocking oil and gas discharge device, including oil station, oil mist separator, oil and gas exhaust fan, pressure gauge, pressure transmitter and interlocking device;Pressure gauge is installed on oil station to detect oil and gas pressure inside oil station;Pressure gauge is connected with oil and gas exhaust fan by pressure transmitter, and pressure signal is converted into current signal by transmitter, and the operation of oil and gas exhaust fan is controlled by current signal;Two oil and gas exhaust fans are installed on oil mist separator;Two oil and gas exhaust fans are connected by interlocking device, one is interlocked to start when one oil and gas exhaust fan fails, and two is that when the pressure inside oil station increases suddenly in a short time, two exhaust fans can be started simultaneously to discharge oil and gas quickly, ensure the safe operation of oil station, and ensure the normal operation of oxygen pressure machine.The utility model has no mechanical wear and tear and does not need maintenance, and has small overall size, simple structure, convenient installation and low energy consumption.

The utility model belongs to the steady voltage technical field, concretely is a kind of oxygen pressure stabilizing device, including buffer tank body, the lower end of buffer tank body is vertically fixedly connected with four annular distribution's supporting leg, the lower end of supporting leg is rotatably connected with universal wheel, the outside wall of buffer tank body and the fixed sleeve of bottom position close position is connected with support ring, the outside wall on support ring is annularly distributed with multiple grooves, the connecting column of longitudinal arrangement is equipped in the groove, the connecting rod of longitudinal arrangement is rotatably connected in the connecting column, the front and rear ends of connecting rod respectively penetrate connecting column and with the inside wall of groove fixed connection, the upper of connecting column is equipped with the support plate of horizontal arrangement, one end of support plate and the inside wall of groove are fixedly connected.The utility model is through setting up universal wheel and support rod and other mechanism, not only convenient to move buffer tank body, can also play the role of anti-toppling, effectively improve the convenience and security of use.

The utility model provides a hydrogen production device, and relates to the technical field of water electrolysis hydrogen production. The hydrogen production device comprises an electrolytic bath, a separation assembly, an adjusting assembly and a control valve. The separation assembly comprises an oxygen separator and a hydrogen separator which are respectively communicated with an oxygen outlet and a hydrogen outlet of the electrolytic bath so as to realize gas-liquid separation of oxygen and hydrogen. The adjusting assembly comprises a shell and an adjusting piece. The shell comprises a first cavity communicating with the hydrogen separator and a second cavity communicating with the oxygen separator. The shell is further provided with a hydrogen exhaust port, and the adjusting piece is used for communicating or separating the hydrogen exhaust port and the first cavity under the action of the pressure difference between the hydrogen pressure in the first cavity and the oxygen pressure in the second cavity. And when the oxygen pressure of the second cavity reaches a preset threshold value, the control valve is opened, and oxygen is released. According to the hydrogen production device, through a pressure difference automatic adjusting mechanism, the working condition change of the electrolytic bath is quickly responded, the liquid level and pressure in the separation assembly are balanced, and the stability and efficiency of hydrogen production through water electrolysis are effectively improved.

1. Name of the design product: pressure reducing valve (for self-rescuer). 2. Use of the design product: used for adjusting and controlling the oxygen pressure in high-pressure oxygen cylinder to make it reduce to the safe pressure range suitable for human respiration. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The utility model relates to the technical field of ward oxygen supply, and disclose a kind of wetting bottle control valve reset device for ward, including top cover, the inside fixed installation of two spring one of T pipe, the inside fixed communication of wetting pipe and atomizing pipe in T pipe, the inside sliding connection of piston plate in T pipe, the inside through -hole of piston plate is provided with guide pipe.The wetting bottle control valve reset device for ward, flowmeter oxygen supply, the pressure of T pipe inside increases, piston plate moves, so that the guide pipe in piston plate is inserted into the inside of communication cavity, the oxygen pressure of T pipe inside reduces, spring two drives guide pipe to remove from communication cavity, under the drive of spring one, reset will be realized, prepare for next oxygen supply or atomization, solve the problem that the existing wetting bottle control valve does not have reset function, valve will not reset automatically, when next use, it can cause oxygen leakage due to valve not reset, and it can cause potential safety hazard.

The utility model discloses an oxygen compressor starting nitrogen gas running stage's air inlet device, the device according to oxygen pressure machine air inlet pressure, flow design value, design air separation device liquid nitrogen gasification equipment output's normal temperature nitrogen gas as oxygen pressure machine starting nitrogen gas running stage's nitrogen gas source, utilize liquid nitrogen pump frequency changer, nitrogen gas pneumatic conveying valve's adjusting function, change liquid nitrogen pump speed, adjust pneumatic nitrogen gas conveying valve opening degree, will liquid nitrogen gasifier export normal temperature nitrogen gas pressure, flow value adjust to oxygen pressure machine air inlet pressure, flow design value, convey to oxygen pressure machine air inlet pipeline, the utility model solves oxygen pressure machine starting nitrogen gas running stage because of using low pressure nitrogen gas, medium pressure nitrogen gas's air inlet technology and produces nitrogen gas air inlet pressure value and oxygen pressure machine air inlet pressure design value do not tally, lead to oxygen pressure machine operating condition deviates problem, has improved oxygen pressure machine starting nitrogen gas running stage's safety stability significantly.

The utility model discloses an oxygen valve station device which comprises a main oxygen pipe, and the main oxygen pipe distributes oxygen to a first oxygen branch pipe and a second oxygen branch pipe through a valve set. And the valve group connected with the oxygen main pipe comprises a third oil-forbidding stop valve, an oxygen pressure gauge, a second oil-forbidding ball valve, a filter, an oxygen check valve, an oxygen flow meter and a pressure transmitter which are connected in sequence. According to the oxygen valve station device, modularization and integrated assembly are adopted, the oxygen valve station device adapts to the rapid installation characteristic of an on-site engineering project, the oxygen valve station device can be assembled in a factory area, the situation that the on-site dust environment pollutes an oxygen pipeline is avoided, and the use safety of the valve station is improved.

The invention belongs to the technical field of oxygen production equipment, and discloses a high-altitude medical molecular sieve oxygen production equipment oxygen production capacity testing device, which comprises an oxygen generator, an air inlet of the oxygen generator is connected with a buffer tank, the top of the buffer tank is provided with a first negative pressure sensor, and the bottom of the buffer tank is provided with an air inlet ball valve. A nitrogen outlet of the oxygen generator is connected with a gas inlet of a negative pressure tank, a second negative pressure sensor is arranged on the negative pressure tank, a gas outlet of the negative pressure tank is connected with a vacuum pump, an oxygen buffer tank is arranged at an oxygen outlet of the oxygen generator, an oxygen pressure sensor is arranged on the oxygen buffer tank, and a flow meter is arranged at the oxygen outlet of the oxygen buffer tank. Simulation testing and evaluation can be conveniently carried out on the oxygen generation capacity of the molecular sieve oxygen generation system in the high-altitude environment, and the simulation testing environment can be adjusted according to different altitudes.

The utility model provides a gas inlet pipeline system and oxygen pressure leaching device, relates to oxygen pressure kettle technical field, the gas inlet pipeline system provided in the utility model comprises a gas inlet pipe, a cooling pipe and a main pipe, the gas inlet pipe and the cooling pipe are both communicated with the main pipe, the gas inlet pipe is configured to convey oxygen-containing gas to the main pipe, and the cooling pipe is configured to convey oxygen-containing gas to the main pipe. The cooling pipe is configured to convey a cooling medium to the main pipe, and the main pipe is configured to communicate with the reaction kettle. According to the air inlet pipeline system, the risk of combustion of the air inlet pipe can be effectively avoided, and the safety and the stability of system operation are higher.

The utility model discloses an atomization testing device special for an injector. The atomization testing device comprises a cart, a silencer and a testing assembly. The testing assembly has two paths, namely an oxygen path assembly and a combustion path assembly; the oxygen path assembly comprises an oxygen path pressure storage tank, an oxygen path pressure controller, an oxygen path pressure gauge, an oxygen path flowmeter, an oxygen path filter, an oxygen path safety valve and an oxygen path funnel; the combustion path assembly comprises a combustion path pressure storage tank, a combustion path pressure controller, a combustion path pressure gauge, a combustion path flowmeter, a combustion path filter, a combustion path safety valve and a combustion path funnel. Deionized water is used as a propellant working medium, an oxygen path and a combustion path are simulated, the front pressure of the injector is changed by adjusting the pressure controller, the flow of the deionized water passing through the injector is measured through the flow meter, the atomization state is photographed and recorded, and the relation between the flow of the deionized water of the injector and the pressure drop is measured. The pressure drop under the rated deionized water flow is obtained, and the flow, the pressure drop and the atomization effect of the injector are tested and verified at the same time.

1. The name of the design product: micro-pressure hydrogen and oxygen sleep-aid cabin room (E). 2. The use of the design product: used for keeping the micro-high pressure state of the micro-pressure hydrogen and oxygen sleep-aid cabin, providing the environmental basis for hydrogen inhalation, oxygen inhalation and sleep aid. 3. The design points of the design product: in the shape of the product. 4. The picture or photo that best indicates the design points: perspective view.

The utility model belongs to metal leaching technical field discloses oxygen pressure leaching kettle, it includes kettle body, stirring shaft and air inlet pipe. The stirring shaft rotatory connection is in the kettle body, and the one end of stirring shaft is connected with the driving part, and the other end is provided with the stirring oar, the air inlet pipe is around the bottom of kettle body and has the air inlet joint, the air inlet joint is worn in the kettle body and is connected with the gas supply equipment, the air inlet pipe has a plurality of injection orifices, every injection orifice all is provided with the air uniformity subassembly to spread the gas evenly to the kettle body. Therefore this oxygen pressure leaching kettle when using, can effectively distribute the gas evenly in the kettle body inside, reduce the possibility of the pressure imbalance in the kettle body inside, ensure that the oxygen content in each area in the kettle body is close, is favorable to ensure the stability of the whole metal leaching effect.

The invention relates to the technical field of oxyhydrogen treatment, in particular to a micro-pressure oxyhydrogen treatment cabin which comprises a micro-pressure oxyhydrogen cabin body, a high-pressure air inlet pipe and an oxygen inlet pipe are arranged on one side of the micro-pressure oxyhydrogen cabin body, and humidifying micro-pressure mechanisms are arranged on the high-pressure air inlet pipe and the oxygen inlet pipe. Corresponding low-concentration hydrogen and high-concentration oxygen can be input into the micro-pressure hydrogen-oxygen cabin according to needs of a patient, the micro-pressure effect in the micro-pressure hydrogen-oxygen cabin can be achieved by supplying compressed gas, and in this way, the safety of the hydrogen and the safety of the oxygen can be guaranteed by means of diffusion breathing and skin permeation. Meanwhile, under the pressure environment, through the permeation effect of skin cells, the oxygen can rapidly penetrate through blood capillaries, blood brain barriers and cell membranes to reach deep tissues, cell metabolism is rapidly activated, and the treatment and health care effects of oxygen and hydrogen are improved.

The invention relates to a PEM hydrogen production device BOP system instrument centralized acceptance inspection and detection platform system and a PEM hydrogen production device BOP system instrument centralized acceptance inspection and detection method. The pressure supply unit comprises a gas pipeline, a pure hydrogen cylinder, a pure oxygen cylinder, a hydrogen pressure reducer and an oxygen pressure reducer, the hydrogen pressure reducer and the oxygen pressure reducer are correspondingly communicated with the pure hydrogen cylinder and the pure oxygen cylinder, and the gas pipeline is connected with the hydrogen pressure reducer and the oxygen pressure reducer; the oxygen buffer tank is provided with a plurality of groups of interfaces used for installing a plug-in water level gauge, a pressure detection instrument, a side-mounted liquid level meter and a temperature detection instrument, and an electric heater is arranged in the oxygen buffer tank; the water circulating unit comprises a circulating water pipeline circularly communicated with the oxygen buffer tank and a variable-frequency water pump, and the circulating water pipeline is provided with a plurality of groups of interfaces for mounting a conductivity detection instrument and a flow detection instrument; and the gas analysis unit comprises a hydrogen-in-oxygen analyzer, a trace oxygen analyzer and a dew point analyzer. The acceptance efficiency is improved, and the project risk and cost are reduced.

The application discloses an oxygen pressure monitoring indicator for a crew member oxygen supply system and relates to the field of pressure detection. The oxygen pressure monitoring indicator for the crew member oxygen supply system comprises an oxygen supply device, a display device and an oxygen delivery device. The oxygen supply device is provided with an oxygen inlet channel, an oxygen outlet channel, a piston channel communicated with the oxygen inlet channel and the oxygen outlet channel, a piston slidably arranged in the piston channel and a valve assembly arranged in the oxygen outlet channel. The display device is provided with a display cavity and a display diaphragm for separating the display cavity into a first pressure cavity and a second pressure cavity. The display diaphragm displays different colors when pressure changes are borne. The oxygen delivery device is provided with a first connecting channel communicated with the oxygen outlet channel and the first pressure cavity and a second connecting channel communicated with the oxygen outlet channel and the second pressure cavity. When the pressure in the oxygen inlet channel changes, the piston moves along the piston channel and the display diaphragm displays different colors. The oxygen pressure monitoring indicator for the crew member oxygen supply system can facilitate the user to check the oxygen supply pressure.

The invention discloses a multi-dimensional slag detection device for oxygen pressure leaching of germanium-rich zinc concentrate, and relates to the technical field of intelligent sensors. Comprising a slag conveying part, a feeding port used for feeding slag is formed in the top of one side of the slag conveying part, a sampling port is formed in the bottom of one side of the slag conveying part, an empty cylinder is connected to the bottom of the sampling port, and a compaction part and a detection part are arranged on the two sides of the empty cylinder respectively; the detection part comprises a cavity frame arranged on one side of the empty cylinder and an intelligent sensing detection module arranged on the inner side of the cavity frame. Transverse conveying is carried out through the slag conveying part, sampling is carried out in the conveying process, cake pressing treatment is carried out after sampling, and then analysis is carried out through a confocal display imaging sensor, an X-ray synchronous excitation / receiving sensor and a laser Raman spectrum sensor of the intelligent sensing detection module. Therefore, the microscopic information about the composition and distribution of the key phase in the core solid product of the leaching residue and the occurrence state of the valuable metal can be directly obtained on line in situ.

The invention belongs to the technical field of airborne oxygen systems, and discloses a molecular sieve oxygen generation and humidification system and a humidity control method, the molecular sieve oxygen generation and humidification system comprises: a compressor assembly for compressing outside air into high-temperature and high-pressure gas; the heat dissipation assembly dissipates heat of the high-temperature and high-pressure gas to enable the high-temperature and high-pressure gas to become medium-temperature and high The water separator is used for separating condensate water in the medium-temperature and high-pressure gas; the molecular sieve bed assembly is used for carrying out oxygen and nitrogen separation on the medium-temperature high-pressure gas; a gas tank for storing the separated oxygen gas; the oxygen-water mixer is used for receiving the condensed water and scattering the condensed water under the action of oxygen pressure to realize primary mixing of oxygen and the condensed water so as to obtain oxygen containing water; the oxygen control box is used for controlling the operation of the system and regulating and controlling the oxygen humidity. The problem of oxygen drying in the molecular sieve oxygen production process is solved, and the oxygen supply comfort of crew personnel is improved.

The utility model relates to an oxygen supply device for wine pressure-maintaining fermentation. The oxygen supply device comprises a fermentation tank, the measuring assembly is used for detecting the oxygen concentration in the fermentation tank and is electrically connected to the controller, and after signals are transmitted to the controller, the controller regulates and controls the liquid circulating mechanism and the oxygenation mechanism to be started and stopped; the liquid circulating mechanism is used for extracting liquid at the bottom of the fermentation tank through a corresponding circulating pump and a circulating pipe and refluxing the liquid into the fermentation tank; the oxygen filling mechanism comprises an air compression pump which is connected to the liquid inlet end of the circulating pump through a corresponding gas filling pipe and a one-way valve; the filtering mechanism is used for disinfecting and sterilizing the air filled into the circulating pump to obtain sterile air and comprises a shell, the two ends of the shell are connected with the inflation pipes respectively, and a membrane filtering section, an ultraviolet sterilization section and a heating sterilization section are sequentially arranged in the shell from the air inlet to the air outlet. According to the utility model, sterile air can be filtered and prepared through the filtering mechanism which is simple in structure and diversified in function, and the sterile air is uniformly dissolved in wine liquid so as to ensure fermentation in a micro-aerobic pressure-maintaining state.

The utility model relates to the technical field of medical oxygen appliances, and particularly discloses a medical oxygen inhalation tube connector which comprises a connector body, an oxygen pressure gauge connector connector is arranged on one side of the connector body, and an oxygen inhalation tube connector is arranged on the other side of the connector body. A connecting and clamping cavity is formed in the inner side of the oxygen inhalation tube connector, a connecting tube is arranged in the connecting and clamping cavity, and the connecting tube is communicated with the oxygen pressure gauge connector connector; the tail end of the connecting pipe is conical to form a conical inserting structure; an oxygen inhalation tube extrusion device is arranged in the connecting and clamping cavity; the oxygen uptake tube extruding device is used for extruding the medical oxygen uptake tube in the radial direction so that the medical oxygen uptake tube can be tightly pressed. By adopting the medical oxygen uptake tube, the insertion and extraction efficiency of the medical oxygen uptake tube can be remarkably improved, the operation intensity is reduced, and the connection firmness is improved.