349results about How to "Improve cycle efficiency" patented technology

The invention relates to the technical field of annealing furnaces, in particular to a swirl injection type energy-saving annealing furnace. The device comprises outer shell plates and an air duct, the outer shell plates are spliced to form a hearth, the air duct is arranged in the outer shell plates to form an air path for convective circulation, the air duct is connected with a circulating fan, and air in the air duct and an inner cavity of the hearth is driven by the circulating fan to actively convectively circulate. The air direction of air convection circulation of the air channel faces the side face and the lower portion of the workpiece needing annealing, and a heat preservation layer is attached to the inner surface of the outer shell plate. The shell plate is used for supporting a main body structure of the furnace body, the air duct is used for achieving circulation convection of air flow, the annealing efficiency and the annealing quality of the metal coiled materials are improved through circulation convection of high-temperature air flow, the heat preservation layer is used for storing internal heat, reducing energy leakage and effectively reducing loss, and the circulation fan is used for providing power for circulation convection of the air flow.

The invention relates to a preparation method and application of an organic-inorganic artificial composite solid electrolyte interface layer, and belongs to the technical field of lithium metal batteries. The organic polymer, the black phosphorene, the conductive carbon black and other inorganic substances are uniformly mixed to construct the organic-inorganic artificial composite interface layer, and the organic-inorganic artificial composite interface layer can induce uniform lithium deposition, reduce the local current density caused by nonuniformity and roughness of the surface of the copper current collector, reduce the lithium nucleation barrier, and improve the lithium ion battery performance. Meanwhile, the affinity of deposited lithium and a current collector is enhanced, the interface impedance of the negative-electrode-free lithium metal battery is remarkably reduced, and the lithium dendrite growth of a lithium metal negative electrode is inhibited; the cathode-free lithium metal battery assembled by adopting the copper current collector modified by the organic-inorganic artificial composite interface layer shows long cycle stability, good rate capability and remarkable safety performance, and has a wide commercial application prospect.

The present invention belongs to the field of batteries, and specifically relates to a modified current collector for a negative electrode-free sodium metal battery, comprising a planar current collector and a single-layer modified layer composited on its surface; and the modified layer is composed of a binder, a conductive agent and a modified material in a weight ratio of 20-80:10-60:10-20; the modified material includes at least one of Y2O3, Gd2O3, yttrium carbonate, lead carbonate, tungsten carbonate, iridium carbonate, hafnium carbonate, molybdenum carbonate, gadolinium carbonate, yttrium titanate, iridium titanate, hafnium titanate, molybdenum titanate and gadolinium titanate. The thickness of the modified layer is 20-100 μm. The present invention also includes the preparation of the modified current collector and the application in a negative electrode-free sodium battery. The innovative research of the present invention shows that the modified current collector containing the modified material can adapt to the application requirements of negative electrode-free sodium batteries, can induce the deposition of sodium metal, can inhibit sodium expansion, and not only that, can also effectively inhibit sodium dendrites. Applying it to negative electrode-free sodium batteries can significantly improve its electrochemical performance.

The invention provides a hydrogen direct-fired supercritical carbon dioxide energy storage power generation device system and an operation method. The hydrogen direct-fired supercritical carbon dioxide energy storage power generation device system comprises a hydrogen production and storage unit, a carbon dioxide energy storage unit and a hydrogen fuel combustion power generation unit. And the hydrogen production and storage unit and the carbon dioxide energy storage unit are respectively connected with the hydrogen fuel combustion power generation unit. Two energy storage media of liquid carbon dioxide and high-energy-density green hydrogen are used for energy storage, and super-long-time energy storage can be achieved; and heat energy is subjected to cascade coupling application, stored heat and turbine exhaust heat are fully used for a carbon dioxide cyclic heating heat source, the external emission heat loss of the system is reduced, and the system efficiency is high.

The invention provides pulping equipment. The pulping equipment comprises a circulating tank, a sleeve, a dispersing device and a guide cylinder, an accommodating cavity for accommodating slurry is formed in the circulating tank. The sleeve is arranged on the top of the circulating tank and extends into the containing cavity. The dispersing device is installed at the end, close to the bottom wall of the circulating tank, of the sleeve, an inflow port is formed in the side, close to the bottom wall of the circulating tank, of the dispersing device and communicates with the containing cavity, and an outflow port communicating with the inflow port is formed in the side wall of the dispersing device. The guide cylinder is connected with the dispersing device, the inner wall of the guide cylinder and the outer wall of the sleeve form a guide channel, one end, close to the top of the circulating tank, of the guide channel is communicated with the accommodating cavity, and the end, close to the bottom wall of the circulating tank, of the guide channel is communicated with the outlet. Therefore, the slurry is dispersed and circulated in the circulating tank, so that the circulating path of the slurry between the dispersing device and the circulating tank is greatly shortened, the circulating efficiency of the slurry is effectively improved, and the circulating time of the slurry is shortened.

The utility model provides a sodium hydrosulfide concentration and purification device, and belongs to the technical field of sodium hydrosulfide processing. Comprising an evaporation tank and a separator, a heating chamber is fixed on the inner wall of the evaporation tank, a large flow channel is arranged close to the center of the heating chamber, a small flow channel is arranged on one side of the heating chamber close to the inner wall of the evaporation tank, a central circulating pipe is fixed on the inner wall of the large flow channel, and the evaporation tank is connected with the separator through a pipeline. Through the arrangement of the waterproof motor, the driving fan blade, the driven fan blade and the scraping plate, the waterproof motor drives the driving fan blade to rotate to enable sodium hydrosulfide in the central circulating pipe to forcibly flow downwards, so that the circulating efficiency of the sodium hydrosulfide in the evaporating tank is enhanced, and the evaporating efficiency of the sodium hydrosulfide is improved; sodium hydrosulfide drives the driven fan blades to rotate, the driven fan blades drive the scraping plates to rotate on the inner walls of the small flow channels, the scraping plates scrape off sodium hydrosulfide crystals in the small flow channels, the crystals are prevented from affecting heat transfer, and the evaporation efficiency is further guaranteed.

The invention relates to the technical field of lithium ion battery positive electrode materials, in particular to a composite phosphate positive electrode material and a preparation method and application thereof. The provided composite phosphate positive electrode material comprises a phosphate positive electrode material core and a carbon coating layer, the particle size of the composite phosphate positive electrode material is in normal distribution, the thickness of the carbon coating layer is 2.0-3.0 nm, and the variance is 0.01-0.30. The obtained finished product is relatively large in particle size and uniform in particle size, and the compaction density is remarkably improved; moreover, the surface of the core material is uniformly coated with the carbon coating layer, and the thickness of the carbon coating layer is moderate, so that not only can the electronic conductivity of the positive electrode material be improved, but also the discharge capacity, coulombic efficiency and other electrochemical properties of the composite phosphate positive electrode material can be improved.

The invention discloses a motor and a vehicle, and relates to the technical field of motors, the motor comprises a shell, a driving assembly and an oil pumping assembly, an oil accumulation area used for accumulating lubricating oil is formed at the bottom of an inner cavity of the shell, a partition plate is arranged in the inner cavity, and the partition plate divides the inner cavity into two independent cavities distributed in the left-right direction; the bottom of the partition plate extends into the oil accumulation area; a driving assembly is arranged in each cavity; the oil pumping assembly is installed on the partition plate and located in the oil accumulation area. The partition plate is provided with at least two first oil passing holes, the at least two first oil passing holes are formed in the two sides, in the front-back direction, of the oil pumping assembly respectively, and each first oil passing hole communicates with the two cavities. The at least two first oil passing holes are formed in the oil accumulation area, so that lubricating oil in the independent cavities can circulate mutually, the situation that the lubricating oil is accumulated in the cavities is avoided, the circulating efficiency of the lubricating oil is improved, the situation that the lubricating oil stays at the driving assembly for a long time is reduced, and the oil stirring loss is reduced.

The invention relates to the field of intermediate frequency furnace control cabinets, in particular to an intermediate frequency furnace control cabinet cooling system which comprises a cabinet body, mounting frames, circulating pipes, a circulating mechanism and a heat dissipation mechanism, the cabinet body is divided into a plurality of mounting chambers, the mounting frames are mounted in the mounting chambers respectively, and the circulating pipes are mounted on the side faces and the back faces of the mounting frames; the plurality of circulating pipes are annularly arranged to form a heat dissipation group, the plurality of heat dissipation groups are uniformly arranged along the height direction, and a temperature sensor is mounted in a region corresponding to each heat dissipation group; each circulating pipe is communicated with the buffer box through a circulating mechanism, and the cooling medium in the buffer box is cooled through a heat dissipation mechanism. According to the invention, the number of circulating pipes participating in circulation in the area is controlled through the temperature sensor in each area, so that the local temperature in the control cabinet is accurately adjusted; the cooling time is adjusted by measuring the temperature of the cooling medium after heat dissipation, so that the cooling medium participating in circulation meets the cooling requirement, and the heat dissipation time and the heat dissipation energy consumption are reduced to the maximum extent.

The invention discloses a liquefied air energy storage combined natural gas power generation system and method.The natural gas power generation system comprises an air liquefaction subsystem, a liquefied air gasification subsystem, an LNG gasification subsystem, a gas turbine subsystem, a waste heat utilization subsystem and a carbon dioxide capture subsystem; the air liquefaction subsystem is used for producing liquefied air; the liquefied air gasification subsystem is used for generating power by utilizing liquefied air; the LNG gasification subsystem is used for applying LNG cold energy to the air liquefaction subsystem and the carbon dioxide capture subsystem, so that LNG is gasified into natural gas; the gas turbine subsystem uses part of natural gas of the LNG gasification subsystem as fuel and is used for power generation; the waste heat utilization subsystem uses flue gas waste heat for power generation; and the carbon dioxide trapping subsystem is coupled with the LNG gasification subsystem and is used for desublimating and trapping carbon dioxide in the flue gas. According to the invention, the defects of large energy loss and low efficiency in the prior art can be overcome, and the emission of greenhouse gases is reduced.

The invention discloses a high-efficiency petroleum drilling fluid circulating system, and particularly relates to the technical field of petroleum exploitation equipment.The high-efficiency petroleum drilling fluid circulating system comprises a supporting frame, a treatment outer barrel is fixedly installed at the top of the supporting frame, a drainage pipe is fixedly installed at the bottom of the treatment outer barrel, and a treatment mechanism is rotationally arranged in the treatment outer barrel; a degassing mechanism is fixedly mounted at the bottom of the supporting frame, a gas guide mechanism is arranged between the treatment mechanism and the degassing mechanism, and a feeding pipe is arranged in the middle of the top end of the treatment mechanism; the treatment mechanism comprises a treatment outer frame, the treatment mechanism is rotatably mounted in the middle of the top end of the treatment outer cylinder through the top of the treatment outer frame, and a sewage discharge frame is fixedly mounted at the bottom end of the treatment outer frame. Centrifugal large-particle inner screening and small-particle outer filtering of the drilling fluid are synchronously achieved, the treatment efficiency of the drilling fluid is improved, and large particles of the inner screening and small particles of the outer filtering are independently discharged.

The invention discloses pre-cooling equipment for cooling fruits and vegetables by cold storage water. Comprising a material area used for containing fruits and vegetables, a cold storage water tank arranged at the lower end of the material area, a cold storage device used for conducting cooling and cold storage on water in the cold storage water tank, and a cold storage cavity formed between the material area and the water surface in the cold storage water tank. The air cooling conveying device is used for conveying cold air in the cold storage cavity to the material area; and the air return device is used for conveying hot air in the material area to the cold storage cavity. According to the precooling equipment, cold air is adopted for cooling and precooling fruits and vegetables, the problem that field heat of part of fruits and vegetables cannot be removed in a water precooling mode is solved, the fruits and vegetables can be prevented from being rotten, an air cooling cooling circulation mode is adopted, the cold energy utilization efficiency is high, and the precooling effect is good.

The utility model relates to the field of glass bead profiling dies, and particularly provides an upper die device for a glass bead profiling die. The device comprises a transmission assembly and an upper die assembly, the transmission assembly comprises a fixing rod, the bottom of the right end of the fixing rod is fixedly connected with a bottom plate, a supporting plate is located on the right side of the fixing rod, the upper die assembly comprises two sets of die plates, the die plates are located on the lower side of the supporting plate, and glass bead dies are arranged at the inner ends of the two sets of die plates. Through cooperation of the transmission assembly and the upper mold assembly, the technical problems that when an upper mold device in an existing glass bead profiling mold is demolded, if an upper mold is directly moved upwards to be separated from a lower mold, just formed glass beads are possibly deformed or damaged due to stress, and the machining efficiency is affected are solved; the circular machining efficiency of the upper die device and the lower die is improved, the overall structure is simple, and good practicability is achieved.

The invention discloses a compressed air centralized supply system based on double-layer LSTM and a control method thereof, and relates to the technical field of energy comprehensive utilization and industrial gas supply, the compressed air centralized supply system comprises a three-way valve, an air exhaust control valve, an air dryer, an air storage chamber, an air supply control valve and a pressure control valve; the method comprises the following steps: collecting related data in an operation process of a gas turbine generator set, and preprocessing the data; constructing a prediction model by adopting a double-layer LSTM algorithm to predict the gas consumption demand and the power grid load, and dynamically adjusting the gas suction rate, the pressure and the gas storage strategy; and by learning and updating the prediction model, performing safety control by adopting redundancy design and a fault detection isolation algorithm, and realizing control on the compressed air centralized supply system. The potential of the air compressor during variable working conditions of the gas turbine generator set is fully developed, compressed air storage and centralized supply are achieved, the air compressor does not need to be driven by electricity after power generation, the primary energy utilization rate is increased, and more environmental protection and energy saving are achieved.

The utility model relates to a battery liquid cooling pipeline of an energy storage container. The battery liquid cooling pipeline comprises a plurality of pipes and T-shaped three-way joints, the pipes form a first-stage water inlet pipeline, a first-stage water outlet pipeline, a plurality of second-stage water inlet pipelines, a plurality of second-stage water outlet pipelines, a plurality of third-stage water inlet pipelines and a plurality of third-stage water outlet pipelines which are communicated with one another through T-shaped three-way joints. The beneficial effects of the utility model are that: the utility model discloses a multi-stage parallel pipeline structure of main circuit and branch circuit, battery coolant flow is more balanced, heat dissipation is more stable, battery cell temperature is more balanced, the product life is prolonged, the secondary pipeline is arranged on the same side of battery box, can avoid battery high-voltage wire harness or fire-fighting pipeline etc. The whole pipeline is tidier and more attractive, bubbles in the pipeline can be manually discharged through the exhaust valve, and the circulation efficiency of cooling liquid is improved; the structure of the non-return quick-plug connector and the drain valve three-way connector improves the maintenance efficiency, and the dry condition in the energy storage cabinet is kept.

The invention belongs to the field of geological research, and discloses a disintegration instrument capable of eliminating water turbidity in the loess disintegration process and a use method thereof, the disintegration instrument comprises a support, a transparent water tank, a camera and a data acquisition device; a water pump is arranged in the transparent water tank; a plurality of stacked filtering water tanks are arranged on the transparent water tank, a seepage hole-containing water pipe is arranged in the filtering water tank on the top layer, and one end of the seepage hole-containing water pipe is connected with a water outlet pipe arranged on a water outlet of the water pump; fully-paved filter cotton is arranged at the bottom of each filter water tank, every two adjacent layers of filter water tanks are connected through a bottom filter type drain pipe, a connected filter water return pipe is arranged on a water blowing port of the bottom filter type drain pipe of the filter water tank at the bottom layer, and the other end of the filter water return pipe is located in the transparent water tank; a tension sensor is arranged on the bracket, a connecting ring is arranged on the tension sensor, a filter screen for bearing a loess sample is arranged on the connecting ring, and the filter screen is positioned in the transparent water tank. And suspended sediment generated by the test can be effectively removed, and the accuracy of data is ensured.

The utility model relates to a fresh air refrigerating machine with an efficient condensation heat dissipation function. The fresh air refrigerating machine comprises a refrigerant circulation flow path, a fresh air flow path and a condensation heat dissipation air flow path. The refrigerant circulating flow path comprises a first refrigerant circulating flow path and a second refrigerant circulating flow path; the first refrigerant circulating flow path comprises a first compressor, a condenser refrigerant channel first module, a first throttling element and a refrigerant channel of a first evaporator; the second refrigerant circulating flow path comprises a second compressor, a condenser refrigerant channel second module, a second throttling element and a refrigerant channel of a second evaporator; condensation heat dissipation air flow paths are symmetrically distributed on the two sides, and four condensers distributed in a staggered mode are arranged on the condensation side of the fresh air refrigerating machine. Compared with the prior art, the efficient condensation heat dissipation mode is adopted, the four heat exchangers are arranged on the condensation side and are ingeniously arranged and reasonably distributed to the two refrigerant circulation loops, and better heat exchange matching of the refrigerant side and the air side is achieved.

The invention discloses a motor controller testing system and method, and relates to the field of electric vehicle high-voltage system testing, a first energy conversion unit is connected with a mains supply, the output end of a direct current bus is connected with the input end of a battery simulation unit and the output end of a motor simulation unit, and the output end of the battery simulation unit is connected with the input end of a tested motor controller; the input end of the motor simulation unit is connected with the output end of the tested motor controller, and the output signal line of the motor simulation unit is connected with the tested motor controller. The tested motor controller takes electric energy from a direct current side according to a preset value and outputs three-phase current to the motor simulation unit, the motor simulation unit simulates information such as torque, rotating speed and temperature according to the magnitude of the three-phase current and feeds back the information to the tested motor controller, and the tested motor controller performs closed-loop adjustment according to a feedback value and the preset value. And the three-phase output current is dynamically adjusted. The motor controller test system provided by the invention is simple in platform, simple to control and high in test precision.

The invention belongs to the technical field of battery negative electrode materials, and particularly relates to a phosphorus-based negative electrode material with a coating structure as well as a preparation method and application of the phosphorus-based negative electrode material. On the basis of the prior art, nano nickel phosphide, red phosphorus and carbon nanospheres are subjected to ball milling to prepare a main body phosphorus-based material, and then the main body phosphorus-based material is coated with a coating layer prepared from a nanofiber material, pyrrole and 5-azaindole, so that the coating layer of the phosphorus-based negative electrode material has elasticity, the volume expansion rate of the phosphorus negative electrode material is reduced, and the service life of the phosphorus negative electrode material is prolonged. According to the nickel phosphide-based negative electrode material and the preparation method thereof, the interface interaction between the phosphorus-based negative electrode material and the binder is enhanced, the prepared nickel phosphide grows on the black phosphorus nanosheet, so that the nickel phosphide has good dispersity, the nickel phosphide nanocrystals can be effectively prevented from being agglomerated, and the energy storage capacity of the nickel phosphide is improved; and after the 5-hydroxy vanillin is grafted, the adhesive has excellent wet adhesion resistance, and can prevent the dissolution of phosphorus element, so that the cycle efficiency of the electrode is improved.

The invention discloses liquid hydrocarbon fuel combustion equipment and a supercritical carbon dioxide circulation system, the liquid hydrocarbon fuel combustion equipment comprises a nozzle, a combustion chamber and a rotational flow assembly, the rotational flow assembly comprises a first-stage pipe, a second-stage pipe, a first-stage cyclone, a second-stage cyclone and a third-stage cyclone, and the first-stage pipe and the second-stage pipe are both scaling venturi pipes. The supercritical carbon dioxide circulation system comprises fuel supply equipment, pure oxygen supply equipment and a circulation assembly, mixed gas of carbon dioxide and water vapor generated by combustion of the liquid hydrocarbon fuel combustion equipment is circulated through the circulation assembly to obtain high-purity carbon dioxide, and the high-purity carbon dioxide is divided into three paths to flow into a first-stage swirler, a second-stage swirler and a third-stage swirler; the carbon dioxide flowing into the second-stage cyclone is uniformly mixed with oxygen from pure oxygen supply equipment before flowing into the second-stage cyclone. The combustion ignition delay period and the mixing time can be prolonged, a standing vortex high-temperature rapid reaction area is formed, the problem that the combustion speed is low in the concentrated carbon dioxide atmosphere is solved, and the supercritical carbon dioxide circulation efficiency is improved.

The invention relates to an energy-saving circulating water additive and a preparation method thereof, and belongs to the technical field of water additives. According to the invention, CTAB and stigmasterol are combined, and the silane coupling agent is added, so that the dispersibility and stability of the active component in water are improved. Meanwhile, the carrier part is compounded with alfalfa meal, monocalcium phosphate and other substances through acid-treated activated carbon, so that the adsorption capacity and stability of the additive are further enhanced; according to the preparation method provided by the invention, the active component and the carrier can be fully combined to form a uniformly distributed solid product, and the solid product is applied to a circulating water system, so that the flow velocity of water can be effectively increased.

The invention belongs to the field of negative-electrode-free battery systems, and particularly relates to a negative-electrode-free sodium metal battery, a modified diaphragm of the negative-electrode-free sodium metal battery, and preparation and application of the modified diaphragm. The modified diaphragm is composed of a base diaphragm and a binder-free modified layer compounded on the surface of the base diaphragm by adopting a sputtering method, the modified layer comprises at least one nanometer material selected from titanium nitride, zinc nitride and gallium nitride. According to the invention, a modified layer formed by compounding the nanometer material without a binder is innovatively compounded on the base film, and based on the combined control of the structure and the type of the nanometer material, the synergism can be realized, the conduction of sodium ions can be effectively induced, and in addition, the nucleation and deposition uniformity of sodium metal can be improved. The research also shows that when the modified diaphragm is innovatively applied to a negative-electrode-free sodium metal battery system, the nucleation and growth behaviors of sodium can be improved, and excellent long cycle stability can be obtained.

A silicon-carbon composite negative electrode material containing lithium-rich long-chain composite salt comprises a silicon-carbon composite material slurry, the silicon-carbon composite material slurry comprises a plurality of silicon-carbon composite material particles, and each silicon-carbon composite material particle comprises an element-doped silicon nanoparticle, a first carbon coating layer and a second carbon coating layer, the element-doped silicon nanoparticle is a core, the surface of the element-doped silicon nanoparticle is coated with the first carbon coating layer, the first carbon coating layer is coated with the second carbon coating layer, and the doped element is one or more of IIIA group elements, VA group elements or transition metal elements; the lithium-rich long-chain composite salt comprises a plurality of composite ion bridging structures, and each composite ion bridging structure comprises a plurality of cations, a first anion group and a second anion group, the first anion group and the second anion group form the composite ion bridging structure through the plurality of cations, and the plurality of cations comprise lithium ions.

The invention discloses a hindered Lewis acid-base pair type oxygen-enriched defect hydroxyl vanadium oxide Fenton-like catalyst as well as a preparation method and application thereof, and belongs to the technical field of water treatment. The preparation method comprises the following steps: adding vanadate into deionized water, and ultrasonically stirring to obtain a vanadate solution; adding a peroxydisulfate solution into the vanadate solution drop by drop, uniformly stirring, and then adding ammonia water; carrying out hydrothermal reaction on the suspension to obtain precursor powder; and spreading the precursor powder on conductive glass, placing the conductive glass in a plasma discharge device, vacuumizing, introducing gas, and then starting up for discharge treatment to obtain the vanadium oxyhydroxide. According to the invention, oxygen vacancies are produced on the material through a discharge treatment process, so that a local coordination environment of adjacent spaces of V and-OH is changed, unbonded Lewis acid and Lewis base with close steric hindrance form a hindered Lewis acid-base pair, and the hindered Lewis acid-base pair as a Fenton-like catalyst can enhance and activate peroxide to generate a large number of active oxide species to degrade antibiotic pollutants.

The invention provides a continuous and stable power generation circulating device for gravity energy storage, which comprises a weight block body, a bearing mechanism, a weight circulating module and a bearing circulating module, and is characterized in that the bearing mechanism can load the weight block body, the weight circulating module comprises a rotating wheel and a chain condition arranged along the conveying direction, and the chain condition rotates around the rotating wheel; the bearing mechanism is slidably arranged on the weight circulation module in the conveying direction, the end of the bearing mechanism is meshed with the chain condition, and the chain condition can keep moving. According to the circulation device, the chain condition can be always in a rotating operation state in the power generation process, then power generation is stable and continuous, power generation circulation of single-channel gravity energy storage can be achieved due to the fact that the chain condition in the weight circulation module can be matched with the bearing mechanism in an accumulation and free mode, extra auxiliary equipment is not needed, and the power generation efficiency is improved. The mechanical loss is reduced, the bearing circulation module can also realize flexible scheduling, the no-load rate is reduced, and the equipment utilization rate and the circulation efficiency are improved.

The invention relates to the technical field of axial flow pump impeller machining, and discloses a device for machining the outer spherical surface of an axial flow pump impeller and a using method thereof.The device comprises a lathe, a protective door is slidably connected to the surface of the lathe, a support is fixedly connected to the inner wall of the lathe, a supporting table is fixedly connected to the end of the support, and a water tank is fixedly connected to the bottom of the supporting table; the surface of the water tank communicates with a bent pipe, the end, away from the water tank, of the bent pipe communicates with a spray head, a machining table is fixedly connected to the top of the supporting table, a storage groove is formed in the top of the supporting table, and leakage holes are formed in the bottom of the inner wall of the storage groove. After the axial flow pump impeller is placed on the top of the machining table, the clamping component is started to move towards the center of the machining table, the clamping component is used for clamping and fixing the axial flow pump impeller, and after the axial flow pump impeller is placed on the top of the machining table, the clamping component can extrude and fix the axial flow pump impeller through extension; and the convenience of turning the axial flow pump impeller is improved.

The invention discloses a conductive aeration membrane cathode electro-Fenton sewage treatment device and method based on iron circulation and application. The invention belongs to the technical field of electro-Fenton sewage treatment. The invention aims to solve the technical problems of low O2 utilization rate, poor ferrous cyclic regeneration performance and poor selective degradation effect in the current electro-Fenton complex water treatment technology. The nano confinement conductive gas diffusion film is composed of a base film and an active layer, wherein the active layer is composed of fractured CNT and internal BN. An aeration membrane assembly is arranged in the reaction chamber of the device, and the surface, adjacent to the anode, of the assembly is composed of the gas diffusion membrane. By means of the design, oxygen directly makes contact with the catalyst layer through the gas diffusion film and is consumed immediately, and mass transfer resistance generated by water when the oxygen is diffused to the catalyst layer is avoided while 100% utilization of the oxygen is achieved. The nanometer confinement conductive aeration membrane cathode is high in ferrous cyclic regeneration capacity and has a good treatment effect in actual nanofiltration concentrated water, and selective degradation of ECs is achieved.

The invention relates to the technical field of medical oxygen inhalation treatment instruments, in particular to a hyperbaric oxygen chamber infant oxygen inhalation device which comprises a chamber and a chamber cover covering the chamber. A waste gas collecting pipe is arranged at the bottom in the cabin, the waste gas collecting pipe is annular, a plurality of collecting holes are formed in the waste gas collecting pipe, and gas separation membranes are arranged on the collecting holes; a gas one-way valve is further arranged on the cabin, and the gas one-way valve can allow external air to enter the cabin; the cabin is further communicated with an oxygen inlet pipe, and the oxygen inlet pipe is arranged at the position, close to the cabin cover, of the cabin. The oxygen and carbon dioxide gas exchange circulation efficiency in the cabin can be improved, it is guaranteed that the oxygen content is sufficient, the health of the respiratory system of a newborn is guaranteed, meanwhile, static electricity accumulation in the cabin can be reduced, and the safety and reliability of oxygen uptake treatment are improved; the device can also upload the physical sign data of the infant to a cloud medical health data platform, and the oxygen supply amount is optimized and adjusted through artificial intelligence analysis.

The utility model provides a temperature regulating system of a compressed air energy storage chamber, which comprises an artificial chamber horizontally arranged underground, a vertical shaft arranged at the top of the artificial chamber, an air circulating pipeline and a water pipeline, the air circulating pipeline and the water pipeline are arranged in the artificial chamber, and an air inlet and an air outlet at two ends of the air circulating pipeline are oppositely arranged along two sides of the artificial chamber respectively. An axial flow fan is arranged in an air inlet of the air circulating pipeline, the water pipeline comprises a water inlet pipeline and a water outlet pipeline, the water inlet pipeline is communicated with a water outlet of the warm water tank and an in-plant circulating cooling water inlet, the water outlet pipeline is communicated with a water inlet of the cold water tank and an in-plant circulating cooling water return port, and a spiral heat exchange pipe is arranged between the water inlet pipeline and the water outlet pipeline. The spiral heat exchange pipe is embedded in the air circulation pipeline behind the axial flow fan and used for exchanging heat with air in the chamber, adjusting the temperature of the air in the artificial chamber during inflation energy storage and deflation energy release, guaranteeing the structural safety of surrounding rock around the artificial chamber and prolonging the service life of sealing materials in the chamber.