716 results about "Oxygen tank" patented technology

The embodiment of the invention provides a liquid nitrogen heating, vaporizing and pressurizing system and a liquid rocket. The liquid nitrogen heating, vaporizing and pressurizing system comprises an oxygen tank, a fuel tank, a liquid nitrogen tank, a liquid nitrogen pump, a cavitation pipe, a liquid nitrogen heater and a liquid nitrogen tank pressurizing pipe. An oxygen tank pressurizing pipe is arranged at the top of the oxygen tank; a fuel tank pressurizing pipe is arranged at the top of the fuel tank; the liquid nitrogen box is arranged in the oxygen box, and the bottom of the liquid nitrogen box is connected with a liquid nitrogen conveying pipe; the liquid nitrogen pump is arranged on the liquid nitrogen conveying pipe; the cavitation pipe is used for stabilizing the liquid nitrogen conveying flow; the liquid nitrogen heater is used for heating liquid nitrogen conveyed by the liquid nitrogen pump into high-temperature nitrogen, the heated nitrogen is used for pressurizing the oxygen tank, the fuel tank and the liquid nitrogen tank at the same time, and the liquid nitrogen heater is connected with the oxygen tank pressurizing pipe and the fuel tank pressurizing pipe. According to the liquid nitrogen heating, vaporizing and pressurizing system, the integrated pressurizing technology is adopted, the pressurizing system is simplified through the technology, meanwhile, the cost and weight of the pressurizing system are reduced through liquid nitrogen heating, vaporizing and pressurizing, and the safety and stability of the pressurizing system are improved.

The invention relates to the technical field of sewage treatment, in particular to water conservancy river pollution ecological restoration equipment. The aeration assembly is used for aeration in the central area in the aerobic tank; the drainage assembly is used for accumulating sewage; the dirt removal assembly comprises two dirt removal boxes which are fixedly mounted at the lower positions of the inner wall of the aerobic tank, and filter cotton is fixedly mounted at the middle positions of the inner walls of the two dirt removal boxes. Part of sewage is discharged into the reservoir and the external box to drive the lifting plate to ascend and descend, and in the ascending and descending process of the lifting plate, the annular water storage tank is driven by the connecting plate to ascend and descend intermittently, so that foams and scum flowing to the edge in the aerobic tank can flow into the annular water storage tank in the descending process of the annular water storage tank, and the foams and the scum can flow into the annular water storage tank. And oil dirt, organic matters and scum which generate foams are thoroughly filtered through the filter cotton by driving the lower pressing plate to ascend and descend.

The utility model belongs to the technical field of oxygen filling, and particularly relates to an oxygen filling and leakage detecting integrated device which is used for filling oxygen into an oxygen bottle and comprises an inflation assembly, a protection assembly and a leakage-proof detecting assembly, the inflation assembly is detachably connected with the oxygen bottle so that oxygen can be filled into the oxygen bottle, and the protection assembly is detachably connected with the leakage-proof detecting assembly. The protection assembly is used for carrying out leakage-proof protection on the joint of the inflation assembly and the oxygen bottle, the leakage-proof detection assembly is used for detecting whether the protection assembly and the oxygen bottle leak air or not, if air leaks, the inflation assembly stops inflation, and otherwise, inflation is continuously carried out till the oxygen bottle is fully filled. According to the utility model, air leakage can be prevented in the process of inflating the oxygen bottle.

The invention discloses a gas analysis control device for an oxygen cabin. The gas analysis control device comprises an air compressor, an oxygen tank, an air filter, an air inlet electric control valve, an exhaust electric control valve, the oxygen cabin and a gas analysis control system, the gas analysis control system comprises an air quality sensor, an air quality monitoring system, an oxygen concentration sensor, an oxygen concentration monitoring system and a control system; the automatic control technology is applied, the flow of the gas introduced into the oxygen cabin is fed back and adjusted according to the detected air quality and oxygen concentration data, the gas content in the cabin finally reaches the standard through multiple times of feedback adjustment, the treatment quality is ensured, and the requirement for the comfort degree of people in the cabin is met. Meanwhile, the control system can timely find out faults by monitoring the gas data change condition in real time, and the working stability and safety of the oxygen cabin are ensured.

The utility model provides a portable lung type Tesla oxygen supply controller, and belongs to the technical field of control valves. The lower part of the fixing seat is tightly matched with a portable oxygen bottle opening; the lower part of the valve seat is fixedly connected with the upper part of the fixing seat; an outlet valve on a portable oxygen bottle opening penetrates through a central hole of the lower inner cavity of the fixed seat and enters a central cylindrical hole of the lower inner cavity of the valve seat to form an oxygen outlet channel; a Tesla valve element is installed in an inner cavity in the upper portion of the valve seat, a pressing seat is clamped into the inner cavity in the upper portion of the valve seat to press the Tesla valve element, a steel ball containing inner cavity is formed in the center in the pressing seat, a valve port is formed in the center of the bottom face of the steel ball containing inner cavity, and a steel ball used for opening and closing the valve port is placed in the steel ball containing inner cavity. The upper cover is fixedly connected to the upper portion of the valve seat to press the pressing seat and enable the steel ball containing inner cavity to form a sealed space, and the upper portion of the upper cover is connected with a face cover. The portable oxygen supply device is installed on the bottle opening of the portable oxygen supply device in a matched mode, and the oxygen using time of one bottle of the portable oxygen supply device can be prolonged to 40 min.

The invention relates to the technical field of dust combustion, and provides a dust explosion combustion experiment device in order to solve the problems that an existing dust explosion combustion experiment device is insufficient in parameter control precision, and an experiment multi-focus single variable lacks a dust removing mechanism and a safety protection measure, and the dust explosion combustion experiment device comprises an experiment table which is provided with a power chamber and an equipment chamber; one side of the experiment table is hinged with an access door, two sides of the top of the experiment table are provided with conveying main pipes extending to the equipment chamber, a power supply assembly is arranged in the electric power chamber; the protective shell assembly comprises an outer shell and an inner shell; a plurality of exhaust pipes are arranged at the top of the inner shell; the dust generation assembly comprises a plurality of dust storage tanks and an air compressor; the ignition control assembly comprises a pulse igniter, a flame detection feedback circuit and an ignition head; the environment adjusting assembly comprises a box body, an oxygen tank and a humidifier, wherein the oxygen tank and the humidifier are arranged in the box body. The device has the advantages that the dust concentration is accurately regulated and controlled, the environmental parameters are dynamically coupled and controlled, dust residues are rapidly removed, and the experiment safety is high.

The invention relates to the field of sewage treatment, in particular to an A / O coupling magnetic flocculation system for rapidly treating urban overflow sewage and an operation method thereof, the system comprises an A / O biological treatment system and a magnetic flocculation treatment system; the A / O biological treatment system comprises an anoxic tank, an aerobic tank and a sedimentation tank; the magnetic flocculation treatment system comprises a magnetic seed feeding system, a flocculation agent feeding system, a magnetic flocculation reaction system and a magnetic seed recovery system; the magnetic flocculation reaction system comprises a rapid flocculation reaction tank and a rapid sedimentation tank; wherein the working volume ratio of the anoxic tank to the aerobic tank to the rapid flocculation reaction tank to the rapid sedimentation tank is (1.0-1.5): (5.0-7.0): (0.2-0.3): (0.2-0.3). The method has the advantages that A / O biological treatment and magnetic flocculation are coupled, and the removal performance of nitrogen, phosphorus, organic matters and suspended matters is synchronously enhanced; the biological availability of effluent organic matters is improved, the sewage is oxygenated, and the risk of overflow pollution caused by direct discharge into a river in traditional rapid treatment is reduced.

The utility model relates to the technical field of sewage treatment equipment, and discloses integrated domestic sewage treatment equipment which comprises a regulating tank, an anaerobic tank arranged on the right side of the regulating tank, an anoxic tank arranged on the right side of the anaerobic tank, an aerobic tank arranged on the right side of the anoxic tank, and a sedimentation tank arranged on the right side of the aerobic tank, the disinfection tank is arranged on the right side of the sedimentation tank, a mounting frame is mounted on the upper surface of the sedimentation tank, a stepping motor is mounted at the bottom of the mounting frame, and a screw rod is coaxially mounted on a rotor of the stepping motor; and the lifting rod is arranged on the surface of the lead screw, the lifting rod is rotationally connected with the surface of the lead screw, and a filtering frame is installed at the bottom end of the lifting rod. The additionally arranged stepping motor can finally drive the filter screen to move downwards, and the filter screen can effectively block impurities in the sewage, so that the settled impurities cannot be pumped into the disinfection tank, and the disinfection tank cannot be influenced by the impurities.

The invention provides a motor control method, device and equipment, and is applied to the technical field of motors. The method comprises the following steps: before oxygen supply, controlling a motor to start running at a pre-configured minimum driving current, controlling the driving current of the motor to increase progressively before the motor has a rotating speed, determining a target driving current of the motor when the motor is changed from a non-rotating speed to a rotating speed, and storing the target driving current as a driving current required by the motor in an oxygen supply process, and in the oxygen supply process, the motor is controlled to operate at the target driving current to apply pressure to the oxygen bottle, so that the oxygen bottle releases oxygen. According to the method provided by the invention, the oxygen supply system can take the oxygen bottles of different specifications as the oxygen source, so that the oxygen supply system can be matched with the oxygen bottles of various specifications, and the compatibility of the oxygen supply system can be improved.

A patient support apparatus for use in removably securing an oxygen bottle is provided. The patient support apparatus includes a bottle holder assembly including a mount operatively attached to the intermediate frame for concurrent movement between the plurality of vertical configurations. The bottle holder assembly also includes a earner subassembly including a carrier supported for pivoting movement, a receptacle to receive an end of the oxygen bottle, and a linkage supporting the receptacle for movement relative to the carrier between a stowed position and a use position. The carrier subassembly is supported for pivoting movement relative to the mount between a plurality of carrier orientations including a stowed carrier orientation and one or more deployed earner orientations.

The utility model belongs to the technical field of water treatment, and discloses a double-circulation dielectric barrier discharge water treatment device which comprises a grounding electrode cooling tank, a water pump, a dielectric barrier discharge system, a high-voltage power supply, an internal circulation flowmeter, a fan, a water treatment tank, an air pressure balance tank, a freezing dryer, an external circulation flowmeter, an automatic air pressure supply valve, an oxygen tank and an aeration disc. The double-circulation dielectric barrier discharge water treatment device provided by the utility model can be used for treating various organic wastewater such as industrial wastewater, domestic wastewater and landfill leachate, and has the advantages of simple equipment, stable operation, low energy consumption, high treatment efficiency, no secondary pollution and the like.

The invention discloses a respiratory movement assisting device for young pulmonary tuberculosis patients, which comprises a rectangular fixing band, an elastic band, a first elastic band and a second elastic band, the breathing assisting structure is arranged on one side of the fixing belt, the breathing assisting structure comprises a round machine shell and an oxygen tank, a compressor is fixedly installed in the round machine shell, and an electric control valve is fixedly installed at the top of the oxygen tank; according to the breathing assisting device, under the action of the breathing assisting structure, the oxygen tank is matched with the mask to assist breathing of a patient in the movement process, and meanwhile, under the action of the compressor matched with the atomized liquid frame, the patient can be prevented from breathing in the movement process, so that the patient does not feel comfortable in the movement process. By means of the device, the medicine capable of breathing stably can be inhaled for auxiliary treatment, so that in the strong exercise process of young patients, unsmooth breathing and dyspnea caused by lung function damage are avoided, and overall exercise is safer.

The invention provides composite spinning equipment for forming rocket pipe type structural parts. The composite spinning equipment comprises a structural system, an operation table, an oil cooler, an oil tank, a control cabinet, a water cooler, a heating system, a gas distribution cabinet, a hydraulic station, an oxygen bottle, a circulating filtering device and a propane gas bottle. The structural system comprises a main spindle box, the main spindle box has active power and can achieve controllable rotation, a closing-in spindle box does not have active power, and when closing-in spinning needs to be conducted, the main spindle box and the closing-in spindle box are connected through a coupler, and controllable rotation of the closing-in spindle box is achieved; the water cooling machine is used for cooling the spinning roller in the spinning process; the heating system can heat the workpiece to realize hot spinning; the circulating filtering device sprays cutting fluid to the workpiece, circulating filtering use of the cutting fluid is achieved, and wet-type forced rotation is achieved. The hot spinning and wet spinning device has the integrated hot spinning and wet spinning effects of strong spinning, close-up common spinning and the like.

The utility model relates to the technical field of full-premixing combustors, in particular to a novel full-premixing combustor for a cracking furnace, which comprises a bearing frame, a gas inlet pipe, a gas inlet component, a gas pump, a gas outlet pipe and a co-combustion component, a gas pipe is arranged on the lower side of the co-combustion component, a heat circulating pipe is arranged at one end of the co-combustion component, and a gas outlet pipe is arranged at the other end of the co-combustion component. A fan is installed at one end of the heat circulating pipe, a heat circulating pipe is arranged at the position, close to the heat circulating pipe, of one end of the mixed combustion component, an oxygen tank is installed at one end of the upper side of the bearing frame, and an oxygen pipe is arranged on the upper side of the oxygen tank. Heat in the mixed combustion component is circulated into the air inlet component, extracted air is preheated, the influence on the mixed combustion temperature of the combustor is avoided, oxygenation operation is conducted on the air inlet component through the oxygen tank and the oxygen pipe, the completeness of gas combustion is facilitated, gas and entering gas are mixed through the mixed combustion component, and the uniformity of gas combustion is improved.

The invention discloses a multifunctional novel air conditioning control panel system and a control method, and relates to the field of air conditioning control devices. According to the multifunctional novel air conditioning control panel system and the control method, the system comprises a bed main body, a sealing door, oxygen production equipment, an air treatment module and a monitoring module. According to the multifunctional novel air conditioning control panel system and the control method, the oxygen concentration in the bed body main body is controlled by the air processing module, the oxygen concentration in the bed body main body is accurately adjusted, the oxygen concentration in the indoor space is controlled, the use comfort of personnel is guaranteed, an oxygen bottle does not need to be manually and actively held for oxygen inhalation, and the working efficiency is improved. Under the action of the oxygen tent with certain sealing performance, oxygen is generated and escaped out of the oxygen tent to the minimum extent, it is guaranteed that the space is in the specific oxygen concentration, and altitude stress caused by plateau hypoxia is well recovered.

The invention relates to the technical field of sewage treatment, in particular to sewage treatment equipment for degrading by using a starvation-resistant COD (Chemical Oxygen Demand) efficient fungicide, which comprises a degradation cylinder, an oxygen tank for storing oxygen is fixedly connected to the bottom end of the degradation cylinder, and a detection tank is fixedly connected to the top end of the degradation cylinder; and the microbial agent detection mechanism comprises a rotating plate. The floating plate is driven to rise by utilizing the buoyancy of sewage, then the electromagnetic block and the permanent magnet plate are pushed to feed the fungicide into the degradation cylinder, the fungicide feeding amount is automatically adjusted according to the buoyancy of the sewage, in the treatment process, the activated carbon plate adsorbs carbon dioxide, the weight change reflects the output amount of the carbon dioxide, and if the output amount is reduced, degradation is possibly completed or the dosage of the fungicide is insufficient, the fungicide is degraded. At the moment, the COD tester is started to detect the COD concentration in the sewage, and if the COD concentration does not reach the discharge standard, the PLC controller automatically adjusts the addition amount of the microbial inoculum according to COD data, so that the treatment effect is ensured, and the situation that the later sewage treatment efficiency and effect are poor is prevented.

The invention provides a combined system and method for killing sulfate reducing bacteria in oilfield produced water. The combined system comprises an active oxygen solution sterilization unit, an oil removal tank, a coagulative precipitation tank, a filtering tank and a deoxidation tower, the active oxygen solution degerming unit comprises a partitioned excitation plasma reactor, a high-flux gas-liquid mixing and dissolving device, a decompression reactor and an oxygen tank; the partition excitation plasma reactor is used for ionizing and dissociating oxygen to generate oxygen active groups; the high-flux gas-liquid mixing and dissolving device is used for carrying out gas-liquid mixing and dissolving on water to be treated and oxygen active groups to generate an active oxygen solution; a water outlet of the high-flux gas-liquid mixing and dissolving device is connected to the reduced pressure reactor, water to be treated and an active oxygen solution fully react in the reduced pressure reactor, and sulfate reducing bacteria in the water to be treated are killed. The technical scheme provided by the invention solves the problems that the treatment effect of microorganisms in the oilfield produced water is undesirable, large-scale popularization cannot be realized, and the method is harmful to human bodies and the environment.

The invention belongs to the technical field of beer brewing, and particularly relates to a wort oxygen introduction device for beer brewing, which comprises an oxygen introduction tank and an oxygen tank, a sealing cover is arranged on the oxygen introduction tank, a transmission cylinder is rotatably mounted in the oxygen introduction tank, and the oxygen tank is communicated with an inner cavity of the transmission cylinder through a connecting pipe; a hollow rotating rod is fixedly installed on the transmission cylinder, an inner cavity of the rotating rod is communicated, an air channel switching ball is rotatably installed on the rotating rod and provided with a first air hole and a second air hole, sliding grooves are formed in the ends, close to the air channel switching ball, of the rotating rod and the control ring, and a rotating rod is fixedly installed on the air channel switching ball. One end of the rotating rod extends into the sliding groove and is fixedly provided with a transmission gear, the sliding groove, the gear ring and the transmission gear are meshed, and through cooperative use of the structures, the first air hole and the second air hole can be switched by rotating the air channel switching ball, the oxygen output is adaptively changed, and the oxygen supply device adapts to the oxygen amount required by different yeasts.

The invention relates to the technical field of oxygen bottles, in particular to an oxygen bottle fixing device which comprises a mounting component, a shell, a movable assembly arranged in the shell, a linkage assembly arranged below the movable assembly, a fixing assembly arranged above the movable assembly and a fixing component, according to the oxygen bottle fixing device, the fixing assembly is arranged on the movable assembly, the supporting assembly is arranged on the movable assembly, the connecting assembly is arranged on the supporting assembly, when an operator needs to fix oxygen bottles, the fixing assembly can be pressed, the multiple oxygen bottles are installed on the movable assembly, and the movable assembly can fix the middles of the oxygen bottles; the fixing assembly and the connecting assembly can fix the upper end and the bottom of the oxygen bottle correspondingly, so that the oxygen bottle can be fixed in a three-section mode in a pressing mode, a more stable fixing effect is provided for the oxygen bottle, and the situation that the oxygen bottle is prone to shaking in the transportation process is avoided; and potential safety hazards and potential damage risks to the oxygen bottle and accessories thereof are reduced.

The invention relates to the technical field of oxygen monitoring, in particular to an oxygen remaining amount monitoring system for an oxygen bottle. The system comprises a digital monitoring module, a real-time feedback early warning module, a gas purity monitoring module, an intelligent gas supplementing module and an integrated control unit, wherein the digital monitoring module is used for collecting pressure and flow data in real time and converting the pressure and flow data into digital signals; the real-time feedback early warning module is used for transmitting the acquired digital signal to the microcontroller and carrying out graded early warning by calculating the residual amount of the oxygen steel cylinder and the sustainable use time; the gas purity monitoring module is used for monitoring oxygen humidity and oxygen pressure in real time to evaluate oxygen purity so as to obtain the remaining purity of an oxygen bottle; the intelligent gas supplementing module is used for automatically controlling the oxygen steel cylinder to carry out gas supplementing operation; and the integrated control unit is used for integrating functions of all the modules and performing data display through a human-computer interaction interface. The residual amount and sustainable use time of the oxygen steel cylinder can be monitored in real time.

The utility model discloses an oxygen cabin emergency pressure release valve which comprises a valve body, a valve element and a gland, the valve element is arranged in the valve body in a penetrating mode, the valve element is positioned in the valve body through the gland, the valve element and the valve body are sealed, the valve element can rotate in the valve body, and the gland is fixedly connected to the valve body. The upper part of the valve core extends above the gland, and the lower part of the valve core extends below the valve body; a locking nut is arranged on the lower portion of the valve body, the locking nut is connected to the valve body in a threaded mode, the valve body above the locking nut is further provided with a step position used for being clamped to an oxygen cabin wall plate in a matched mode, and the pressure relief valve is installed on the oxygen cabin wall plate through matching of the step position of the valve body and the locking nut. First fan-shaped through holes are symmetrically formed in the valve core main body part in the valve body, and second fan-shaped through holes corresponding to the first fan-shaped through holes in position are formed in the valve body below the valve core main body part. According to the utility model, pressure can be released from the inside of the oxygen cabin, the inside is communicated with the outside through operation, and the oxygen cabin can be closed externally after internal pressure release and can be closed internally after external pressure release.

The utility model discloses a gas oxidation device which comprises a base, a box body is arranged on the base, a gas inlet pipe is arranged at the lower end of the box body, a gas outlet pipe is arranged above the box body, a plurality of reaction bins are arranged in the box body from top to bottom, a plurality of heat conduction balls are arranged in the reaction bins, an oxygen supply box is arranged on the left side of the box body and connected with an oxygen tank, and a plurality of oxygen inlet nozzles are arranged on the left side wall of the box body from top to bottom. An air homogenizing plate is arranged in the box body and close to a bottom plate of the box body, a plurality of air vents are formed in the air homogenizing plate, and an air homogenizing fan is arranged below the air homogenizing plate; the oxygen supply box is arranged on the left side of the box body, and the oxygen inlet nozzles are arranged on the left side wall of the box body, so that oxygen is supplied all the time in the process that gas reacts from bottom to top, the mixed reaction of the gas and the oxygen is improved, and the gas is fully oxidized; in addition, the gas equalizing plate is arranged in the box body, so that the gas equalizing plate and the gas equalizing fan can be used for relatively equalizing and guiding the gas entering the box body on the whole plane, the gas is prevented from being concentrated into one stream to flow upwards, and the mixing of the gas and the oxygen is further improved.

The invention discloses an exhaust system emission reduction device and emission reduction method. The system comprises a vehicle-mounted computer, an exhaust aftertreatment system connected with an internal combustion engine, and a heat collection power generation module and a water electrolysis system which are connected with the exhaust aftertreatment system. The water electrolysis system comprises a storage battery connected with the heat collection power generation module, a power generator and a water electrolysis device which are connected with the storage battery, and a main oxygen tank, a standby oxygen tank, a main hydrogen tank and a standby hydrogen tank which are respectively connected with the water electrolysis device and the vehicle-mounted computer; the exhaust aftertreatment system comprises a diesel engine oxidation catalyst and a diesel particle filter which are sequentially arranged in the exhaust gas flow direction, the reaction efficiency is improved through an emission reduction method, and the tail gas treatment efficiency is improved.

The invention provides a liquid nitrogen heating, vaporizing and pressurizing system, a pressurizing control method and a liquid rocket. The liquid nitrogen heating, vaporizing and pressurizing system comprises a first-stage oxygen tank, a first-stage fuel tank and a liquid nitrogen tank, and the liquid nitrogen tank is arranged in the first-stage oxygen tank; the liquid nitrogen tank is sequentially connected with a liquid nitrogen conveying pipeline, a first liquid nitrogen heating and vaporizing unit, an oxygen tank pressurizing main pipeline and an oxygen tank energy dissipater arranged in the primary oxygen tank; the liquid nitrogen tank is sequentially connected with a liquid nitrogen conveying pipeline, a second liquid nitrogen heating and vaporizing unit, a fuel tank pressurizing main pipeline and a fuel tank energy dissipater arranged in the first-stage fuel tank; the liquid nitrogen box is sequentially connected with a liquid nitrogen conveying pipeline, a first liquid nitrogen heating and vaporizing unit, an oxygen box pressurizing main pipeline and a liquid nitrogen box pressurizing pipeline. The three storage tanks, namely the oxygen tank, the fuel tank and the liquid nitrogen tank, are pressurized by heating and vaporizing the liquid nitrogen, so that the cost of the pressurization system is reduced.

The invention discloses a diving bell air supply system for diving and an air supply method thereof.The air supply system comprises a diving bell body, a diving bell umbilical cord, a diver umbilical cord and a bell-borne air supply unit, the diving bell umbilical cord comprises an air supply pipeline and a breathing air pipeline, and high-pressure environment air is provided for the diving bell body, and breathing air is provided for operators; the clock-borne gas supply unit comprises a helium bottle, a liquid nitrogen Dewar bottle and a liquid oxygen Dewar bottle, high-pressure helium-oxygen mixed gas is stored in the helium bottle, gas outlet pipelines of the liquid nitrogen Dewar bottle and the liquid oxygen Dewar bottle are connected to the breathing gas supplementing pipe in parallel, and supplemented nitrogen and / or oxygen are / is adjusted based on the working depth of the diving clock body. The breathing air supply pipe and the breathing air supplementing pipe are connected to the inlet end of the busbar after being connected in parallel and converged, the inlet end of the busbar is further connected with a breathing air pipeline, and the outlet end of the busbar is connected with multiple diver umbilical cords. The proportion of helium, nitrogen and oxygen can be flexibly adjusted according to the current operation depth of the diving bell, and the breathing requirements of divers at different water depths are effectively met.

The invention relates to the technical field of article cleaning, in particular to a cleaning device for sports goods, which comprises a support frame and an internal and external cleaning assembly arranged on a top plate of the support frame, the inner and outer cleaning assembly comprises an inner cleaning assembly arranged on a top plate of the supporting frame and an outer cleaning assembly arranged at the end of the inner cleaning assembly, an oxygen tank is arranged in the middle of the rotating supporting seat, and a locking assembly and a switching driving assembly are arranged at the end of the inner cleaning assembly. The oxygen tank is automatically locked through the locking assembly, the switching driving assembly is started, the switching driving assembly drives the oxygen tank to rotate through the inner cleaning assembly, the inner cleaning assembly cleans the interior of the oxygen tank at the same time, and the inner cleaning assembly drives the outer cleaning assembly to move and clean the oxygen tank at the same time; therefore, simultaneous cleaning of the inside and the outside of the oxygen tank is realized.

The utility model relates to the technical field of medical instruments, in particular to an oxygen bottle support with high applicability. The utility model provides the oxygen bottle bracket with strong applicability, which can be used for fixing and carrying two oxygen bottles with different specifications at the same time, and is higher in carrying efficiency. An oxygen bottle support high in applicability comprises a bottom plate, a connecting frame, fixing frames, fixing pieces, clamping assemblies and the like, the connecting frame is connected to the upper side of the bottom plate, the fixing frames are connected to the left side and the right side of the front portion of the connecting frame, the fixing pieces are connected to the fixing frames, and the clamping assemblies are connected to the fixing frames. Oxygen bottles of different specifications are placed on the upper sides of the left portion and the right portion of the bottom plate respectively, so that the oxygen bottles are located between the clamping pieces and the fixing pieces, the clamping pieces and the fixing pieces are driven to be mutually squeezed and matched under the action of the springs to clamp the oxygen bottles, and the two kinds of oxygen bottles of different specifications can be fixed and carried at the same time; and the carrying efficiency is high.

The invention discloses an oxygen supply device for agricultural microbial fertilizer fermentation, and relates to the technical field of microbial fertilizer ferment.The oxygen supply device for agricultural microbial fertilizer fermentation comprises a base, a linkage plate is fixedly installed at the top of the base, and a hydraulic cylinder is fixedly installed at the top of the base; a fermentation tank is rotatably mounted at one end, away from the base, of the linkage plate, and a motor I is fixedly mounted on the surface of the fermentation tank. According to the oxygen supply device for agricultural microbial fertilizer fermentation, aeration holes are limited in a large area through lantern rings under the action of a hydraulic cylinder, and at the moment, the oxygen supply value of an oxygen supply tank to the interior of the fermentation tank is minimum; at the moment, adaptation to oxygen supply requirements of the fertilizer in different fermentation time periods is achieved, then the fermentation rate and effect of the fertilizer in different stages are improved, the requirements of the fertilizer in different fermentation time periods are accurately adapted in the mode of automatically adjusting the oxygen supply amount according to the fermentation stages, and therefore the fermentation rate and effect of the fertilizer in each stage are improved.

The invention discloses a small life support system of a submersible, which relates to the technical field of submersible, and comprises an oxygen supply module, a carbon dioxide processing module, a temperature and humidity adjusting module, a pressure balance module, an emergency standby module and a processing memory, the oxygen supply module, the carbon dioxide processing module, the temperature and humidity adjusting module, the pressure balance module, the emergency standby module and the processing memory communicate with one another through system lines. According to the oxygen supply module, the oxygen bottle and the flow control unit are adopted, the storage pressure and the storage amount are greatly increased, the flow control unit introduces an artificial intelligence algorithm, dynamic adjustment is conducted according to multi-dimensional data, and it is ensured that oxygen supply is safe and reliable; the concentration of carbon dioxide in the cabin is ensured to be always in a safe range through the carbon dioxide processing module, the fault diagnosis module is further arranged to quickly position faults and provide solution prompts, and the early warning module is arranged to carry out early warning prompts on possible abnormal conditions.

The invention discloses a lower limb function rehabilitation exercise treatment chair and provides the following scheme that the lower limb function rehabilitation exercise treatment chair comprises an electric wheelchair, sliding plates are connected to the two sides of the electric wheelchair in a sliding mode, a binding belt is connected between the pair of sliding plates, an electric push rod is installed on the electric wheelchair, and air bags are connected to the outer sides of the sliding plates; a through exhaust cylinder is installed on the side, close to the interior of the electric wheelchair, of the air bag, pressing plates are slidably connected to the two ends of the seat plate, and second springs are installed between the pressing plates and the seat plate; when the electric push rod pulls the binding belt to pull a patient to stand and the patient and the electric wheelchair turn over on one side, the oxygen tank enables the air bag to be rapidly inflated and expanded, the air bag can play a buffering role when the electric wheelchair topples over, oxygen is released to relieve discomfort of the patient, by downwards treading the pressing plate, a second spring is compressed, the legs are hindered, and the patient feels comfortable. Therefore, legs are exercised, and lower limb rehabilitation of the patient is promoted.