198 results about "Oxygen tank" patented technology

The utility model belongs to the technical field of high-density aquaculture, and discloses an oxygen dissolving system for high-density aquaculture, which comprises a support frame, two oxygen dissolving tanks and two water pumps are arranged on the support frame, water supply pipes communicated with the upper ends of the corresponding oxygen dissolving tanks are arranged at the water outlet ends of the water pumps, and water supply control valves are arranged on the water supply pipes. Sieve plates, fillers and oxygen inlet pipes are arranged in inner cavities of the oxygen dissolving tanks, an electromagnetic valve is arranged on the oxygen inlet pipe of each oxygen dissolving tank to control the oxygen inlet amount, the oxygen inlet pipes of the two oxygen dissolving tanks are jointly connected with a main air pipe, the air inlet end of the main air pipe is connected with an oxygen tank, and the lower portions of the oxygen dissolving tanks are connected with drainage pipes. A drainage valve is arranged on the drainage pipe. The oxygen dissolving system for aquaculture can improve the content of dissolved oxygen in water, is high in oxygen dissolving efficiency and low in energy consumption, and further reduces cost.

The invention discloses an intelligent oxygen inhalation device integrating wireless transmission and oxygen flow automatic adjustment, and belongs to the technical field of oxygen therapy medical equipment. An intelligent oxygen inhalation device integrating wireless transmission and automatic oxygen flow regulation comprises an oxygen tank, a regulating three-way pipe and a miniature finger pulse oxygen monitor, a high-precision regulator and a stepping motor are mounted at the rear end of the automatic flow regulator, and mechanical regulating valve plates are arranged at the upper end and the lower end in the high-precision regulator. And the miniature finger pulse oxygen monitor is connected with the automatic flow regulator through the plc module. The problems that an existing oxygen uptake flow adjusting device is poor in adjusting effect on the size of an oxygen channel and cannot meet actual medical requirements are solved, pulse oxygen changes of a patient can be responded in real time through closed-loop control, the plc module is matched with the miniature finger pulse oxygen monitor, the oxygen flow is automatically adjusted to the most suitable level, and the medical requirement is met. And the multi-stage control of the tank body valve, the electromagnetic valve, the automatic flow regulator and the secondary flow valve is realized, so that the fault-tolerant capability of the system is stronger.

The utility model relates to the field of lifting, in particular to a lifting mechanism for reducing lifting force, which comprises a base component and a counterweight component, the base component comprises a base, guide wheel components for mounting guide rails and a handle, the handle is mounted on the base, the guide wheel components are mounted at four corners of the base, and the counterweight component comprises guide wheels, ropes, chucks and counterweight plates. The guide wheel is installed above the base, the rope penetrates through the guide wheel, the two ends of the rope are connected with the guide wheel assembly and the balance weight plate of the base respectively, and the chucks are fixed to the two ends of the rope. According to the product, the base assembly and the counterweight assembly are adopted, ascending or descending of the oxygen bottle can be easily achieved through simple operation of a single person, the work efficiency of ascending and descending is improved, and safety in the using process is ensured.

The invention provides a variable circulation hybrid electric propulsion system applied to an unmanned aerial vehicle and a propulsion method of the variable circulation hybrid electric propulsion system, and belongs to the technical field of aircraft propulsion. The problems of insufficient power and endurance of the unmanned aerial vehicle are solved. The four liquid rocket engines are arranged around the unmanned aerial vehicle body through the vehicle arms; each rotor wing is correspondingly arranged above the liquid rocket engine; a motor and a pump are arranged in the liquid-propellant rocket engine, and the combustion chamber is located below a shell of the liquid-propellant rocket engine and connected with the spray pipe. A fuel cell in the unmanned aerial vehicle body is located at the upper end of the unmanned aerial vehicle body. An energy storage cell is embedded into the lower middle portion of the fuel cell. The energy management system is embedded into the middle-upper part of the fuel cell; and the oxygen tank is positioned at the lower end of the fuselage. The fuel cell is adopted to charge the energy storage cell, the energy storage cell drives the pump to stably convey fuel to the combustion chamber, the problem that a traditional liquid rocket engine depends on complex external energy when started for multiple times is effectively solved, and rapid and reliable repeated starting of the engine is achieved.

The utility model discloses an integrated electric appliance for a vehicle. The oxygen generating device comprises a box body, an oxygen generating part, a refrigerating part and a heating part, the oxygen generating part is arranged on the outer side of the box body; the refrigeration part comprises a refrigeration bin arranged in the box body; the heating part comprises a heating bin arranged in the box body. The oxygen generation part comprises a filter, a compressor I and an oxygen generator which are arranged on the outer side of the box body and are connected in sequence. The oxygen generator comprises a molecular sieve, an oxygen tank, a filter bottle and a filter device which are connected in sequence; the molecular sieve is connected with the first compressor. The refrigeration part comprises a refrigeration bin arranged in the box body and a refrigeration assembly arranged on the outer wall of the box body. The multifunctional oxygen generator has the advantages that components required by oxygen generation, refrigeration and heating are integrated on the box body through compact design, various requirements of users are met, and the space in a vehicle is greatly saved while the multifunctional oxygen generator has high functionality; all the parts are attached to the box body independent of the vehicle body, can be matched with various vehicle models instead of being bound with fixed models, can be used at any time after being assembled, and is easy to disassemble and assemble and convenient to repair.

The invention relates to the field of wastewater treatment, in particular to a combined treatment method for azo dye and condensation dye production wastewater. The integrated process of enhanced Fenton oxidation, the IC anaerobic reactor, the anoxic tank, the aerobic tank (AO) and the membrane bioreactor (MBR) developed by the invention realizes efficient removal of organic matters, gives consideration to economical efficiency and stability, and breaks through the bottlenecks of high energy consumption and low efficiency of the traditional process.

The invention relates to the technical field of health preserving cabins, in particular to a thermal therapy health preserving cabin with an oxygenation function, which comprises a cabin body, a cabin door mounted on the front side of the cabin body, a ventilation window mounted on the back side of the cabin body, a base mounted at the bottom of the cabin body, an upper cover mounted on the top of the cabin body, a health preserving bed arranged in the cabin body, an oxygen tank arranged in the cabin body and a cart arranged in the cabin body, the oxygen tank is connected to the cart in a clamped mode, the multiple biobrick function modules are evenly laid at the bottom in the cabin body, and the biobrick function modules stably radiate terahertz waves with the frequency band ranging from 0.1 THz to 12 THz. Stable radiation of terahertz waves with the frequency band of 0.1-12 THz is ensured, and the requirement of biological resonance physiotherapy is met.

The invention relates to the technical field of emergency rescue equipment, in particular to a compressed oxygen self-rescuer with a hand-free wearing function, which comprises a protective shell, an oxygen bottle, a switch hand wheel, an air storage bag, an extension soft bag, an air distribution layer, an absorption tank, an exhalation pipe and a split plate, by prolonging the closed space jointly formed by the soft bag and the air storage bag, it is ensured that the finally formed closed space can still be rapidly filled with oxygen-enriched air output by the low-pressure air supply end of the oxygen bottle, the situation that the inflation time is prolonged due to the too large volume can be avoided, and the situation that breathing resistance is increased due to the too small volume can also be prevented; according to the utility model, the soft material is prevented from collapsing and twisting due to insufficient inflation, the airflow channel is ensured to be always unblocked, and a user can feel obvious airflow support when inhaling the first breath, so that the panic emotion is effectively relieved.

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

The utility model relates to smelting sewage treatment technical field, the utility model provides a kind of zinc smelting sewage environmental protection treatment system, sewage pool, sewage pool top is equipped with inlet, the outlet of deslagging of being equipped with by first spiral deslagging machine in the lower side wall of sewage pool, sewage pool lower side is connected with adjusting pool after first filter screen, adjusting pool lower side is connected with anoxic tank after second filter screen, anoxic tank one end lower side is connected with oxygen tank after third filter screen, oxygen tank is connected with air blower, residue in the bottom of oxygen tank is discharged to sludge pool through the outlet of sludge of oxygen tank side wall opening by second spiral deslagging machine, oxygen tank lower side is connected with MBR reaction pool after fourth filter screen, MBR reaction pool is connected with the clean water pool being arranged below by clean water pipe, utilize the link of step-by-step purification formed by gravity effect, ensure that sewage is in turn through physical deslagging, water quality adjustment, biological denitrification and phosphorus removal, membrane separation treatment link, reduce energy consumption and floor area, ensure the purification treatment efficiency and water quality stability of sewage.

The utility model discloses a waste gas treatment device of a carburizing furnace, which belongs to the technical field of heat treatment equipment and comprises a box body, the air inlet assembly is located below the box body, and the air inlet assembly is located on the right side of the air supply assembly; the air supply assembly is located on the lower left portion of the box body and located on the inclined left portion of the air storage assembly; the air storage assembly is located in front of the box body and located on the right side of the air blowing assembly; the air blowing assembly is located on the inclined right side of the box body, and the air blowing assembly is located behind the air supply assembly. When waste gas enters a gas inlet box, the waste gas is fed into a combustion pipe through a gas inlet pipe on the gas inlet box, then oxygen is fed into a gas supply pipe through an oxygen tank in a gas supply box, the oxygen is sprayed into the combustion pipe through a gas supply spray head on the gas supply pipe, and then the waste gas is ignited through ignition of an electronic igniter; the threat of the waste gas to the body health of workers is avoided, and the occurrence of dangers is reduced.

The environment perception and emergency oxygen supply safety helmet comprises a helmet body, a control processor is integrated in the helmet body, and a network module, a positioning module and a communication module are integrated on the control processor; an environment sensing assembly, an emergency oxygen supply assembly and a warning indicator are arranged on the helmet body. According to the safety helmet, the environment sensing assembly is integrated in the helmet body, the working environment can be actively detected, early warning is given out in advance when hazardous gas leaks, oxygen is insufficient or the environment temperature is abnormal, and the safety protection initiative is greatly improved. The miniature high-pressure oxygen bottle is integrated in the cap body, so that the survival rate is remarkably increased; by means of a built-in network module, a positioning chip and a communication module, real-time environment data, an accurate geographic position and alarm information can be synchronized to a remote monitoring center, and rear-end personnel can grasp on-site conditions globally. Various safety functions (monitoring, alarming, oxygen supply and communication) are integrated in a traditional safety helmet form, and the safety helmet is convenient and practical.

This invention belongs to the field of solid waste resource utilization technology. To address the problems of inconsistent temperature during existing fluidized bed waste plastic gasification processes, which prevent graded conversion and result in products primarily consisting of hydrogen and carbon monoxide with low added value and low energy efficiency, this invention provides a device and method for graded gasification of waste plastics to prepare chemicals. The fluidized bed reactor has a top section connected to a silo. The middle section of the reactor is connected to air / oxygen tanks, carbon dioxide tanks, hydrogen tanks, and carbon monoxide tanks. A gas-liquid separator and column chromatography are connected at the top of the reactor, and a liquid pump connects it to a preheater at the bottom. An outlet is located at the bottom. Graded conversion of waste plastics is achieved within the fluidized bed, increasing the added value of the waste plastics and facilitating their graded conversion and high-value utilization. The invention features high production efficiency, continuous production capability, and applicability to other solid waste resource utilization processes.

The utility model discloses a closed oxyhydrogen fuel cell power generation system which comprises a fuel cell stack and a circulating pump, the fuel cell stack is respectively connected with the circulating pump, an oxygen tank and a hydrogen tank, oxygen is conveyed to the fuel cell stack through the oxygen tank, hydrogen is conveyed to the fuel cell stack through the hydrogen tank, and the circulating pump is connected with the circulating pump. And cyclic utilization of oxygen is realized through the circulating pump. According to the utility model, the unreacted oxygen is recycled through the circulating pump, the pressure of the oxygen and hydrogen before entering the fuel cell stack is monitored while the oxygen and hydrogen are conveyed, and the opening degrees of the oxygen inlet electromagnetic valve and the hydrogen inlet electromagnetic valve are regulated according to the pressure; the problem of backflow caused by too large oxygen pressure of a circulation path before oxygen enters a reactor is solved by arranging a first check valve, gas pumped by a four-way connector cannot reversely flow into a circulation pump by arranging a second check valve, and a hydrogen pulse discharge electromagnetic valve and an oxygen pulse discharge electromagnetic valve are designed to be intermittently opened; hydrogen and oxygen can fully react, and the gas utilization rate is increased.

The invention relates to the technical field of medical equipment, in particular to a multivariable coupling oxygen cylinder time-use rapid calculation disc and calculation method. The computing disk comprises a bottom-layer disk, a middle-layer disk and a top-layer disk which are sequentially arranged from bottom to top; oxygen concentration scales on the outer ring, available time scales on the middle ring and oxygen consumption rate scales on the inner ring are arranged on the bottom-layer disc; flow / minute ventilation capacity scales corresponding to the oxygen concentration scales, an available time indicating frame corresponding to the available time scales and an oxygen consumption rate indicating frame corresponding to the oxygen consumption rate scales are arranged on the middle layer disc, and an oxygen consumption rate indicating arrow protruding inwards is arranged in the oxygen consumption rate indicating frame; oxygen bottle pressure scales corresponding to the oxygen consumption rate scales and an available time indicating arrow are arranged on the top layer disc. According to the calculation disc, through a mechanical structure and a scale alignment mechanism, the calculation process is simplified, rapid and accurate time estimation under multiple oxygen inhalation modes is achieved, and therefore the clinical operation reliability is improved.

This utility model relates to an automatic air intake structure for an optical coating machine, including a rectangular base plate. A coating machine body is fixedly connected to the top of the rectangular base plate, and an oxygen tank is also fixedly connected to the top of the rectangular base plate. An electromagnetic valve is installed inside the coating machine body, and a controller is installed on the top of the oxygen tank. The controller is electrically connected to the electromagnetic valve. The oxygen tank is located on the side. This automatic air intake structure for the optical coating machine, through its air intake mechanism design, allows for quick disassembly and installation of the air intake pipe. This solves the problems of existing fixing methods, which are often complex. After fixing the air intake pipe, if the oxygen in the oxygen cylinder runs out and needs to be replaced, special tools are required to remove the air intake pipe, making the operation cumbersome and increasing the workload of the workers. Furthermore, the excessive time wasted in replacing the oxygen cylinder also reduces the working efficiency of the coating machine.

The tail gas boiler comprises a cabinet body and a telescopic mechanism, the telescopic mechanism is arranged on the bottom wall of the cabinet body, a cabinet door is connected to the telescopic mechanism and arranged on one side of the cabinet body, the cabinet door and the cabinet body form a bin body structure, a heating pipe is arranged on the cabinet door in a penetrating mode, and the heating pipe is arranged on the cabinet body in a penetrating mode. The top of the cabinet body is connected with an igniter, the side face of the cabinet body is connected with an oxygen tank, and the upper end and the lower end of the side face of the cabinet body are connected with an air inlet pipe and an exhaust pipe respectively. The problems that in the background technology, formaldehyde tail gas is not sufficiently burnt in the incineration process, a layer of carbon black powder is generated and adsorbed to a water pipe of a combustion chamber, heat conduction is affected, and then the recycling efficiency is reduced are solved.

The invention discloses a respiration assisting device for the cardiovascular medicine department, and relates to the technical field of cardiovascular medicine department machinery, the respiration assisting device comprises a linear guide rail, the surface of the linear guide rail is fixedly connected with a pressing plate, the output end of the linear guide rail is fixedly connected with a supporting table, and the side face position of the supporting table is fixedly connected with a side edge table; a pillow is fixedly connected to the middle of the top of the supporting table. According to the respiration assisting device for the cardiovascular medicine department, the inclination angle of a downward pressing assembly is increased, so that a sealing assembly makes close contact with the mouth and the nose of a patient, the bottom of a temperature and humidity adjusting mechanism is externally connected with an oxygen tank, and the temperature and humidity of oxygen are adjusted through the temperature and humidity adjusting mechanism and then introduced into the sealing assembly; the sealing assembly is tightly attached to the face of the patient through the pressing force of the downward pressing assemblies on the two sides, and the problems that due to the fact that the respirator makes close contact with the skin of the patient through water, the patient is prone to suffering from skin diseases, and the respirator cannot be effectively limited are solved.

The utility model discloses a portable oxygen bottle supporting frame for pre-hospital emergency treatment, and relates to the technical field of oxygen bottles. The oxygen bottle placing frame comprises an oxygen bottle placing frame body, a fixing block is arranged on one side of the oxygen bottle placing frame body, a clamping device is arranged in the fixing block, a push rod is arranged in the fixing block, a connecting rod is arranged in the push rod in a sliding fit mode, and a rotating shaft is arranged in the connecting rod in a rotating fit mode. A Z-shaped mounting plate is opened by a worker, so that a movable plate moves downwards, the movable plate moves to drive a clamping rod to move, when the clamping rod is clamped into a limiting groove, limiting of a connecting rod can be completed, under the action of universal wheels, the transfer bed movable oxygen bottle placing frame can also move together with a transfer bed, and the transfer bed movable oxygen bottle placing frame is convenient to use. The oxygen bottle rack does not need to be carried by a single person, so that the transferring difficulty of the transferring bed is reduced, and the patient transferring efficiency is improved.

The invention relates to the technical field of thermal power peak regulation unit steam-water system corrosion protection, in particular to a steam-water system full-protection double-phase oxygen adding device for a peak regulation unit, which comprises an air supply system, a demineralized water supply system and a high-pressure oxygen tank, the demineralized water supply system is communicated with the upper part of the oxygen production water tank; the bottom end of the oxygen production water tank is communicated with the upper portion of the oxygen-enriched water tank, the bottom end of the oxygen-enriched water tank is communicated with a plurality of oxygen adding points through a first oxygen supply pipeline, and an output port of the high-pressure oxygen tank is communicated with the first oxygen supply pipeline through a second oxygen supply pipeline. The device has the beneficial effects that the problems of low oxygen dissolving efficiency and unstable oxygen concentration caused by nitrogen enrichment in a traditional air oxygenation technology are solved; meanwhile, the auxiliary pure oxygen bottle serves as an oxygen source, accurate and efficient regulation and control of dissolved oxygen of the steam-water system are achieved, equipment corrosion is prevented, and the unit efficiency is improved.

The utility model provides an oxygen tank support for a CT machine tool. The oxygen tank support comprises an objective table, a support body and a vacuum adsorption assembly. The objective table comprises an objective plate, an oxygen tank socket arranged on the upper end face of the objective plate and a track plate arranged on the lower end face of the objective plate. The frame body comprises supporting legs for supporting the carrying plate and universal rolling wheels arranged at the bottoms of the supporting legs; the vacuum adsorption assembly comprises a vertical telescopic rod sliding along the track plate, a connecting base connected with the vertical telescopic rod and rotating on the horizontal plane, a rotating shaft base fixed to the bottom of the connecting base, a connecting shaft connected with the rotating shaft base and a vacuum suction cup arranged at the bottom of the connecting shaft. The vacuum suction cup is provided with an extraction opening connected with an external vacuumizing device and an air nozzle used for recovering normal pressure and provided with a sealing cover, and a one-way air valve in the air outlet direction is arranged at the extraction opening. The oxygen tank support for the CT machine tool is reasonable in structural design, convenient to use and suitable for the situation that an oxygen tank needs to be carried about in the CT examination process, and safe and stable bearing of the oxygen tank in the CT examination process is achieved.

The utility model discloses an integrated purification device for high-concentration phosphorus-containing wastewater, which comprises a control chamber, a sedimentation tank fixedly mounted on the rear surface of the control chamber, an aerobic tank fixedly mounted on the rear surface of the sedimentation tank, an anoxic tank fixedly mounted on the rear surface of the aerobic tank, and an anaerobic tank fixedly mounted on the rear surface of the anoxic tank, electric lifting covers are movably mounted among the sedimentation tank, the aerobic tank, the anoxic tank and the anaerobic tank. According to the integrated purification device for the high-concentration phosphorus-containing wastewater, disclosed by the utility model, the electric lifting cover is matched with the crawling ladder, so that the integrated purification device can enter the interiors of the sedimentation tank, the aerobic tank, the anoxic tank and the anaerobic tank in a more convenient and labor-saving manner to be overhauled and maintained, and long-term normal work of the integrated purification device for the high-concentration phosphorus-containing wastewater is facilitated; wherein the electric lifting cover can automatically open and close inlets of the sedimentation tank, the aerobic tank, the anoxic tank and the anaerobic tank, and the crawling ladder enables workers to better climb into the sedimentation tank, the aerobic tank, the anoxic tank and the anaerobic tank.

The invention provides portable neonatal rescue equipment, and relates to the field of medical equipment, the portable neonatal rescue equipment comprises a box body, a box cover is slidably clamped on the inner wall of the box body, a circulating part is fixedly mounted at the bottom of an inner cavity of the box body, and the circulating part comprises an oxygen box and a hot water box; the oxygen tank and the hot water tank are fixedly installed at the two ends of the bottom of the inner cavity of the tank body respectively. In order to solve the problem that how to ensure the safety and effectiveness of a neonatal rescue environment in the prior art is urgently needed to be solved, air is filtered, oxygen is heated and humidified through a hot water tank by arranging the box body and the circulating component, and then the oxygen is fed into the box cover; an oxygen-rich environment is formed in the box cover, meanwhile, air in the box cover is pushed out through the oxygenation effect, and therefore the environment in the box cover is guaranteed, and the safety and effectiveness of the neonatal rescue environment are guaranteed.

This invention relates to the field of experimental equipment technology, and particularly to an NMR combustion-explosion dynamic load multi-field coupling experimental device and method. The technical solution includes a control module, an impact module, a detection module, and a vibration reduction module; wherein, the control module includes an operating platform, a transmission line, an engine, a fuel tank, an oxygen tank, connecting pipes, a high-temperature resistant fuel nozzle, and a high-temperature and pressure resistant gas sealing pipe; the operating platform is located behind the engine. This invention achieves graded control of dynamic load through combustion-explosion-electromagnetic composite loading, integrates simultaneous detection of multiple physical fields such as nuclear magnetic resonance, acoustic waves, and resistivity, sets up multi-level vibration reduction and dissipation structures to absorb residual kinetic energy, adopts a high-temperature and high-pressure resistant sealing design to ensure safety, simulates ground temperature, ground stress, and pore fluid fields to reproduce the deep in-situ multi-field coupling environment, and is centrally controlled and automatically reset by the operating platform, thereby realizing a laboratory simulation of deep dynamic disasters with flexible and adjustable parameters.

The application belongs to the technical field of sewage biological treatment, and discloses a device and method for treating urban low-carbon-nitrogen-ratio sewage by using SLOAO process, wherein a sewage inlet is arranged at the bottom of the water inlet side of the first low-oxygen-oxygen tank, the sewage inlet is connected with the water inlet pipe through a pipeline, a first water outlet is arranged at the water outlet side of the first low-oxygen-oxygen tank, the first water outlet is communicated with an anoxic tank, a second water outlet is further arranged at the water outlet side of the anoxic tank, the second water outlet is communicated with a second oxygen tank, the water outlet side of the second oxygen tank is connected with a sedimentation tank, a sewage inlet of the anoxic tank is further arranged at the bottom of the anoxic tank, the sewage inlet of the anoxic tank is also connected with the water inlet pipe through a pipeline, stirring devices are arranged in the first low-oxygen-oxygen tank and the anoxic tank, an aeration pipe is arranged at the bottom of the first low-oxygen-oxygen tank and the second oxygen tank, the aeration pipe is connected with a blower, and the stirring devices and the blower are electrically connected with a control assembly respectively.

The utility model discloses an arm hanging type first-aid respirator, including arm hanging bag body, oxygen bottle body, inhalation pipe body and breathing mouthpiece, arm hanging bag body includes front bag body and rear bag body, and oxygen bottle body cooperation activity is placed on rear bag body, and inhalation pipe body and breathing mouthpiece cooperation activity are received and placed on front bag body, and both ends of inhalation pipe body are connected with oxygen bottle body and breathing mouthpiece respectively, the bottom surface fixed setting of rear bag body has fixed arm belt, and arm hanging bag body is worn on the arm through fixed arm belt. The utility model not only can conveniently wear on the arm of user, but also can provide first-aid breathing function under the emergency, provides oxygen support for user, improves the survival probability of the person who seeks help, and convenient and practical is used simultaneously and carried.

The invention belongs to the technical field of polyurethane waste treatment, and particularly relates to a device and method for oxidation treatment of polyurethane. The polyurethane oxidation treatment device comprises a polyurethane storage bin, a water purification tank, a preheater, an oxygen tank, a pressurizer and an oxidation kettle, a discharging opening of the polyurethane storage bin is communicated with a feeding opening of the oxidation kettle, and the polyurethane storage bin is used for conveying polyurethane waste into the oxidation kettle; purified water stored in the purified water tank is conveyed to the oxidation kettle after being heated by the preheater, and is used for providing supercritical water for the oxidation kettle; oxygen stored in the oxygen tank is pressurized by the pressurizer and then is conveyed to the oxidation kettle for providing high-pressure oxygen for the oxidation kettle. The device for oxidation treatment of polyurethane has the beneficial effects that the device for oxidation treatment of polyurethane can efficiently treat polyurethane under the low-temperature condition, meanwhile, pollutants such as nitrogen oxides can be prevented from being generated, and generated CO2 gas is purer and is convenient to capture so as to reduce the greenhouse effect.

The utility model discloses a garbage incinerator flue gas oxygen concentration online detection analyzer and a garbage incinerator. The analyzer comprises a filter unit, a cooling unit, a gas-water separation unit, a heating unit, an oxygen concentration detection unit and an online correction unit, the filtering unit, the cooling unit, the gas-water separation unit, the heating unit and the oxygen concentration detection unit are sequentially connected through pipelines; the online correction unit comprises a plurality of standard oxygen tanks, and oxygen with different concentrations is stored in the standard oxygen tanks; and each standard oxygen tank is connected with the oxygen concentration detection unit. The oxygen concentration detection device has the advantages of accuracy and reliability in oxygen concentration detection and the like.

This utility model discloses a regeneration tank for an oxygen production system, comprising an oxygen tank. A pressure gauge is fixedly connected to the top of the oxygen tank. Support blocks are fixedly connected to the front and rear sides of the top of the oxygen tank. A guide rod is horizontally fixedly connected inside the support blocks. A flip plate is movably connected to the surface of the guide rod. A protective sleeve is fixedly connected to the top of the flip plate. The protective sleeve is fitted onto the surface of the pressure gauge, with opposite sides of the protective sleeves in contact with each other. A torsion spring is fitted onto the surface of the guide rod, with both sides of the torsion spring fixedly connected to the inner wall of the flip plate. A viewing plate is fixedly connected to the left side of the protective sleeve, with opposite sides of the viewing plates in contact with each other. This utility model effectively protects the pressure gauge on the top of the oxygen tank, preventing damage to the pressure gauge from external collisions during transportation, thus enhancing the performance of the oxygen tank.

1. The name of the design product: oxygen cabin (Neptune). 2. The use of the design product: oxygen cabin for home use. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.