2085 results about "Air compression" patented technology

The invention provides a method and a system for utilizing high-pressure water as a high-temperature compressed air energy storage heat exchange working medium, the system comprises an air compression unit and an air turbine, the pressure of nitrogen output by a nitrogen conveying unit is any saturated vapor pressure which is 10 DEG C lower than the outlet temperature of the air compression unit and corresponds to water vapor in the outlet temperature range of the air compression unit; the energy storage and release unit comprises a first heat exchanger, a shell pass inlet is connected with an air compression unit through a pipeline, a shell pass outlet is connected with an air storage device through a pipeline, a tube pass inlet is connected with a low-temperature water storage tank through a pipeline, and a tube pass outlet is connected with a high-temperature water storage tank through a pipeline; the low-temperature water storage tank is connected with the nitrogen conveying unit through a pipeline, a tube pass inlet of the second heat exchanger is connected with the high-temperature water storage tank through a pipeline, a tube pass outlet is connected with the low-temperature water storage tank through a pipeline, a shell pass inlet is connected with the gas storage device through a pipeline, and a shell pass outlet is connected with the air turbine through a pipeline. The system complexity is reduced, and the investment of heat storage and exchange working media is also reduced.

The invention relates to an air compressor energy-saving control method, device and equipment based on an AI algorithm, and the method comprises the steps: collecting the operation data of an air compressor in real time; the real-time energy efficiency ratio of each air compressor is dynamically calculated according to the energy consumption and the gas production rate, and the air compressors with the energy efficiency ratios lower than 75% are marked as low-efficiency equipment; on the basis of the historical gas consumption data, the production line schedule, the environmental parameters and the equipment state, the gas consumption demand in the future time period and the future efficiency of the air compressor are predicted through the air pressure demand prediction model and the EER prediction model; on the premise of meeting the gas demand in the future period, with the goal of minimizing the total energy consumption and the constraint conditions that the total gas production rate meets the predicted gas demand and the load rate of the frequency converter is limited to be 50%-100%, an optimal switch combination and load distribution scheme is obtained, and a corresponding control instruction is generated and executed, so that the production demand is accurately matched, and meanwhile, the production efficiency is improved. The energy consumption of the system is reduced, the equipment management efficiency is improved, and the purpose of refined and intelligent energy-saving control of the air compression system is achieved.

The invention relates to the field of liquid air energy storage, and discloses a liquid air energy storage and liquefied natural gas coupling efficient power generation device and method. The method comprises the steps that an air liquefaction circulation loop purifies, compresses and cools ambient air and then expands and decompresses the ambient air to obtain liquid air, and the liquid air is transmitted to an air power generation circulation loop; generated air compression heat is stored in the heat storage unit; the air power generation circulation loop generates power through expansion of received liquid air, and generated cold energy is stored in a cold storage unit; the LNG vaporization supply loop pressurizes, evaporates and gasifies liquefied natural gas and then supplies the liquefied natural gas to a user side, generated cold energy is stored in a cold storage unit or directly supplied to the air liquefaction circulation loop, and meanwhile gaseous natural gas naturally released by an LNG tank is collected and conveyed to a combustion chamber. The high-grade heat energy utilization loop conducts heat conduction oil circulation, low-grade heat energy and high-grade natural gas combustion heat energy of the heat storage unit are recycled in sequence, high-grade heat energy is transmitted to the air power generation circulation loop, and heat conduction oil returns to the initial state to continue circulation after releasing the heat energy.

The invention discloses a deep fusion air pressure intelligent optimization control method and system. The method comprises the steps that the air load of a user side is obtained; calculating plan parameters of the air compressor by adopting a feed-forward intelligent control strategy based on the air load; calculating target parameters of the air compressor by adopting a PLC feedback control strategy based on the planned parameters of the air compressor and the real-time pressure of the system; the air compressor plan parameters comprise the opening number of the air compressors, the opening degree of an inlet adjusting valve, the closing degree of an emptying adjusting valve and the operation frequency; the target parameters of the air compressor comprise the opening number, the operation frequency and the opening degree of an inlet adjusting valve of the air compressor; accurate control and adjustment of the operation process of the air compression system are achieved, the problems that due to manual control, the output pressure fluctuation of the air compression system is large, stable operation of the system cannot be guaranteed, and the energy consumption and the air supply cost of the air compression system are high are solved, energy efficiency fluctuation is accurately analyzed, potential energy consumption problems are predicted, and the energy efficiency of the air compression system is improved. The overall operation efficiency is improved, and the optimal energy efficiency is achieved.

The invention discloses a medical oxygen generator with sterilization and dust removal functions, and relates to the technical field of oxygen generators, the medical oxygen generator comprises an oxygen generator shell, a handle, a touch screen, an oxygen generator bottom plate, an air inlet pipe, a dust removal and sterilization device, an air compression device, a heat dissipation pipe, an adsorption tower, a heat dissipation device, a cleaning device and a humidification cup, the air compression device can suck air and compress air, the dust and bacteria removal device can remove pollutants such as dust and bacteria in the air and prevent the pollutants from entering the air compressor to affect the quality of oxygen inhaled by a patient, the heat dissipation device rapidly dissipates heat of the air in the heat dissipation pipe, the adsorption effect of the adsorption tower is improved, and the service life of the adsorption tower is prolonged. The cooled air enters the adsorption tower, the adsorption tower adsorbs nitrogen in the air, the separated oxygen is decompressed and then conveyed into the humidifying cup, and the oxygen humidified by the humidifying cup is conveyed into an oxygen catheter of a patient.

The invention discloses a novel compressed air energy storage system which comprises a constant-pressure diaphragm air pressure tank, an air compression energy release subsystem and a working medium gas gas-liquid conversion subsystem and has the advantages that two energy storage media are adopted, air serves as a main medium for compression expansion power generation, and working medium gas serves as a medium with stable pressure and does not participate in acting; alternation of air and working medium gas in the tank is completed through gas film contraction / expansion, and the pressure stabilizing effect of the two stages of energy storage and energy release is achieved; air is adopted for compression and expansion power generation at the energy storage and release end, compared with traditional carbon dioxide energy storage, a large carbon dioxide air storage bin at the low-pressure end of traditional carbon dioxide energy storage is removed and replaced with inexhaustible air, the air is directly discharged into the atmosphere in the energy release stage, and the equipment cost and the medium cost of the low-pressure air storage end are greatly reduced.

The invention discloses a clean production process of a blended fertilizer, which comprises the following steps: preparing and selecting raw materials; performing primary granulation on different raw materials to obtain uniform granular raw materials; performing closed ventilation storage on the granular raw materials; proportioning and metering the granular raw materials; mixing and stirring; finally, packaging is carried out, 4-5 mm particles obtained after the raw materials are subjected to extrusion forming through a pair of rollers and subjected to primary granulation are consistent in appearance state, air in the raw materials is removed through extrusion, gaps are compressed, the density and specific gravity of the formed particles tend to be uniform, and the product quality is improved. Blending layering caused by particle size, density difference and different adsorption capacities cannot occur when the raw materials are blended, the blended compound fertilizer meets the international general blending fertilizer proportioning principle, the completely-homogenized blending fertilizer quality requirement can be met, the processing cost is saved, the production efficiency is improved, and the production cost is reduced. And the problem of caking of the raw materials is effectively solved.

The invention provides a liquid air energy storage system and method for coupling LNG and an air separation device, and relates to the technical field of energy storage. The liquid air energy storage system coupling the LNG and the air separation device comprises an LNG tank body, an air compression device, a main heat exchanger, a nitrogen circulation device, a liquid air storage tank, a rectification device and a power generation device. Circulating nitrogen is adopted as a heat exchange intermediate medium, so that the temperature zones of the liquefied natural gas vaporization process and the compressed air cooling process are matched, the liquefied natural gas is isolated from the compressed air, and the safety of the system is guaranteed. By adjusting the system flow, on the premise that the vaporization process of the liquefied natural gas is not affected, the air separation subsystem can absorb the cold energy of the liquefied natural gas in the peak period, a cold storage unit of the LNG-LAES is omitted, and the oxygen production energy consumption is effectively reduced. By adjusting the operation load of the air separation subsystem, the multi-cogeneration system can effectively cope with seasonal fluctuation of the vaporization amount of the liquefied natural gas, and the peak regulation capacity of the system is enhanced.

The invention provides a manufacturing method of a compressor piston, the compressor piston comprises a hinge groove, the hinge groove comprises a hinge hole and a mounting opening communicated with the hinge hole, the hinge hole is used for being connected with a transmission piece to achieve eccentric rotation of the compressor piston and a crankshaft and achieve air compression, and the manufacturing method is characterized by comprising the steps that a piston body is machined; the piston body is of a cylinder structure. Cutting feed is conducted from the outer wall of the piston body, at least one time of linear cutting is conducted along the inner walls of the mounting opening and the hinge hole, the hinge hole and the mounting opening are obtained at the same time, and the diameter of the hinge hole ranges from 2.8 mm to 4 mm; the hinge hole and the mounting opening are finely ground; and performing surface treatment on the piston body to obtain the compressor piston. The problems that a hinge groove of an existing compressor piston is machined through drilling, high precision is difficult to achieve, the wall breaking technology is difficult, and the machining efficiency is low are solved.

The invention belongs to the technical field of steel structure damage repair. The invention provides a large steel structure corrosion damage integrated repairing robot and a control method. The robot comprises a robot body, and a force control servo motor, an automatic polishing module, a damage identification camera, an air compression pump, a paint storage box, a control terminal, a magnetic adsorption module, a pipeline climbing module, a paint film thickness measuring module and an automatic paint spraying module which are arranged on the robot body. A robot compliance control strategy integrating force feedback, visual guidance and other modes is provided, dynamic parameter adjustment is combined, efficient and compliance control over the rust removal and spraying process of the repairing robot is achieved, the high efficiency and stability of the corrosion damage repairing process are ensured, and the corrosion damage repairing efficiency is improved. And flexible movement and efficient operation of the integrated repairing robot in a complex space structure are achieved.

The invention discloses a constant-pressure type compressed air energy storage system and method combined with pumping and storage, and belongs to the technical field of electric energy physical energy storage systems, and the constant-pressure type energy storage system comprises a pumped storage subsystem, a turbine expansion power generation subsystem, a compressed air energy storage subsystem and a water-gas common-capacity cabin constant-pressure subsystem. By flexibly controlling the operation modes of the subsystems and the on-off states of valves among the subsystems, the system can achieve independent energy storage and power generation operation among the pumped storage subsystem, the air compression subsystem and the turbine expansion subsystem. The design not only improves the flexibility and reliability of the system, but also enables the system to carry out optimal configuration and operation according to actual demands, thereby further improving the energy storage efficiency and economic benefits.

The invention provides an intelligent heat dissipation system of an oil-free digital energy air compression station, which relates to the technical field of heat dissipation of air compression stations and comprises a sensor module, a correlation analysis module and a heat dissipation execution module which are in communication connection. Statistical correlation, causal correlation and time correlation between each operation parameter and temperature are analyzed, a physical mechanism is introduced, a hybrid correlation model is constructed, a predicted temperature change trend is combined, specific operation parameters influencing the temperature change at the current moment are analyzed, specific equipment is positioned according to the operation parameters, and a heat dissipation strategy is executed. Through a closed loop of model prediction, parameter attribution, equipment positioning and accurate heat dissipation, data-driven correlation analysis and causal reasoning of a physical mechanism are combined, rapid positioning from temperature abnormity to a specific heating source is realized, and low efficiency of traditional equipment-by-equipment troubleshooting is avoided.

The invention discloses a dynamic target pressure generation method based on multi-source pressure characteristics and an energy efficiency curve, and belongs to the technical field of energy-saving control of industrial air compression systems. According to the method, the minimum value, the maximum value, the average value and the mode of tail end pressure are counted, the dynamic range of gas consumption requirements is accurately represented, and the dynamic target pressure is generated. The air compressor energy efficiency curve library is set, the optimal continuous pressure interval is screened instead of single-point optimization, the operation stability and the energy efficiency advantage are considered, finally, the target pressure of each air compressor is distributed through the multi-target optimization algorithm, energy consumption waste caused by pressure overlapping is avoided, and the energy efficiency of the air compressor is improved. The global energy efficiency is optimal, and the problems that due to frequent loading and unloading of the air compressors of an existing air compression station, energy consumption is wasted, the tail end air pressure requirement is lower than the air compressor set value, and the redundancy of the pressure set value is too high when the multiple air compressors operate in parallel are solved.

The invention discloses an intelligent energy-saving control method for an air compression system based on data driving. The intelligent energy-saving control method is suitable for an industrial air compression station with multiple parallel units. According to the method, operating parameters of all air compressors and pressure and flow data of a header pipe are collected in real time, an energy efficiency model of the output flow and the gas-electricity ratio of all frequency converters is established, and the future flow requirement of the header pipe is dynamically predicted in combination with the characteristics of a fixed frequency machine. Based on a prediction result and a single-machine energy efficiency model, the basic load and the fluctuation load are distributed according to the overall energy efficiency optimization principle of the system, the start-stop sequence and the rotating speed of each unit are determined, and stable main pipe pressure, continuous gas supply, rapid response and good operation flexibility are achieved. By means of the method, the energy efficiency difference of all the units can be fully utilized, energy consumption fluctuation and equipment abrasion caused by frequent starting and stopping are reduced, and the overall energy utilization rate of the air compression system and the reliability of the industrial production process are improved.

The invention discloses a compressed air dechlorination device, a dechlorination system and a use method of the dechlorination system, and relates to the technical field of air compression energy storage. The compressed air dechlorination device comprises an adsorbent, a retainer and an adsorption tank. The adsorbent comprises a plurality of adsorption layers which are arranged continuously or at intervals in the axis direction of the adsorbent, each adsorption layer comprises an activated carbon bonding layer and an active coke bonding layer, and the adsorption layers at the two ends of the adsorbent are the active coke bonding layers. The two retainers abut against the active coke bonding layers at the two ends of the adsorbent respectively. The air inlet of the adsorption tank is communicated with the air outlet of the salt cavern through a pipeline, and the air outlet of the adsorption tank is communicated with the air inlet of the compressed air power generation system through a pipeline. One retainer is positioned between the air inlet of the adsorption tank and the adsorbent, and the other retainer is positioned between the air outlet of the adsorption tank and the adsorbent. Compared with the prior art, according to the technical scheme, the problem that chlorine in compressed air corrodes a compressed air power generation system can be solved.

The invention relates to the technical field of annealing furnaces, in particular to an annealing furnace heating system which comprises a furnace body, an air blower arranged at the top of the furnace body and used for exhausting and sucking air and a heating bin used for heating air in the furnace body. The top of the furnace body is further provided with an air compression mechanism used for making air in the furnace body circularly flow, the air compression mechanism communicates with the interior of the heating bin through a pipeline, the bottom in the heating bin is connected with an air outlet pipe, and the end, away from the heating bin, of the air outlet pipe is connected to the top end in the heating bin. And the compression pipe is connected with a plurality of air inlet pipes which are transversely arranged side by side at the bottom of the furnace body, and the other end of the compression pipe communicates with the input end of the air compression mechanism. The heating system of the annealing furnace is improved, so that hot air in the annealing furnace is uniformly distributed, a workpiece is uniformly annealed, and the physical performance of the annealed workpiece is improved.

The invention relates to the technical field of compressed air energy storage, in particular to a compressed air energy storage system and an operation method thereof.The compressed air energy storage system comprises an energy storage assembly, an energy release assembly, a plurality of heat exchange medium storage tank sets and a buried gas storage spherical tank, and the energy storage assembly comprises an air compression unit, a multi-stage heat exchanger and a multi-stage cooler; the energy release assembly comprises an air expansion unit and a multi-stage heater; the heat exchange medium storage tank group comprises at least one cold storage tank and at least one heat storage tank; the plurality of heat exchange medium storage tank groups are respectively communicated with the multi-stage heat exchanger and the multi-stage heater; the buried gas storage spherical tank is arranged underground, the input end is connected with the air compression unit, and the output end is connected with the air expansion unit. According to the compressed air energy storage system, multi-stage heat storage and gradient utilization of a heat source can be achieved, and the efficiency of the energy storage system is improved; the buried gas storage spherical tank is deeply buried underground, so that the risk of breakage of the spherical tank body and the production cost are reduced.

The embodiment of the invention provides an intelligent gas pipeline temperature control method and system based on the Internet of Things, and the method is realized based on the intelligent gas pipeline temperature control system, and comprises the steps: obtaining the pipeline information of a gas pipeline and basic sensing data collected and uploaded by a gas equipment object platform based on a gas company management platform, and obtaining candidate parameters from the government safety supervision management platform, determining transmission parameters through at least one round of iterative interaction with the government safety supervision management platform, and controlling air compression equipment of the fuel gas equipment object platform to adjust the fuel gas transmission temperature based on the transmission parameters. By introducing an intelligent Internet of Things system, a temperature monitoring technology and emergency response measures, real-time and accurate monitoring on the temperature of the gas pipeline is realized, and effective measures are taken for intervention and adjustment on a problem source, so that safe and stable operation of the natural gas pipeline is ensured, and continuity and reliability of natural gas supply are guaranteed.

The invention relates to the technical field of industrial compressed air system intelligent control, in particular to a digital air compression station intelligent control method and system based on AI self-learning, and the system comprises a data collection layer, an AI prediction layer, an optimization control layer and an execution layer. The data acquisition layer realizes accurate acquisition and preprocessing of multi-dimensional data through a three-stage high-precision sensor network and an edge computing node; the AI prediction layer adopts an XGBoost and LSTM mixed model to be combined with an online learning mechanism to realize accurate prediction of the gas consumption demand and the energy efficiency ratio within 1-24 hours; the optimization control layer completes air compressor operation combination optimization and pressure dynamic control based on an improved NSGA-II algorithm and self-adaptive PID adjustment; the execution layer realizes control instruction landing through frequency converter and cluster cooperative scheduling. Meanwhile, an equipment health degree monitoring module, a multi-source data fusion correction module and a waste heat-gas consumption collaborative optimization module are innovatively introduced, and the problems that a traditional air compression station is low in energy efficiency, poor in self-adaption, insufficient in prediction precision and lack of equipment management are solved.

The invention discloses a compressed air energy storage system which comprises a compressor, a heat exchanger, an air storage mechanism and a turbine, and the compressor is used for absorbing air, compressing the air into high-pressure air and concentrating and heating moisture in the air; the heat exchanger comprises a shell, a gas flow channel and a water flow channel, the gas flow channel and the water flow channel are arranged in the shell in an isolated mode, a first gas inlet and a first gas outlet are formed in the two ends of the gas flow channel, and a first water inlet and a first water outlet are formed in the two ends of the water flow channel. The first water inlet is connected with the compressor, receives pressurized hot water and finally discharges the hot water through the first water outlet; the gas storage mechanism is connected with the first gas outlet and stores gas; in the energy release stage, the first gas inlet is disconnected with the compressor and connected to the turbine, the gas storage mechanism reversely releases gas, the heat exchanger releases heat energy and pressure potential energy stored in the energy storage stage to the gas, and the gas enters the turbine to expand and do work.

The invention relates to the technical field of firepower peak shaving power stations, in particular to a flexible peak shaving power station coupled with compressed carbon dioxide energy storage and a use method. A flexible peak regulation power station coupled with compressed carbon dioxide energy storage comprises a combustion chamber; the expansion machine is in pipeline communication with the combustion chamber, and the expansion machine is suitable for being connected with a generator set; the gasification assembly comprises a gasification pipeline, and the gasification pipeline is suitable for inputting synthesis gas into the combustion chamber; the air compression assembly comprises a compression pipeline, and the compression pipeline is suitable for inputting oxygen into the combustion chamber; and the gas storage assembly comprises a gas storage pipeline, the gas storage pipeline penetrates through the combustion chamber, and the gas storage pipeline is suitable for inputting compressed carbon dioxide into the expansion machine. The invention provides a flexible peak regulation power station coupled with compressed carbon dioxide energy storage and a use method, and aims to solve the problem that a firepower peak regulation power station is narrow in regulation range.

The invention relates to the technical field of powder metallurgy, and discloses an anti-sintering deformation type powder metallurgy device which comprises a powder metallurgy punching machine, a plate body is arranged on the powder metallurgy punching machine, a die groove is formed in the plate body, a punching head is arranged on the powder metallurgy punching machine, a movable base is arranged on the plate body, and a pressing plate is arranged on the movable base. A feeding pipe is fixed on the movable seat, and an electric powder butterfly valve is mounted on the feeding pipe; a rotating assembly is arranged in the moving seat and comprises a discharging pipe and an air suction pipe. Through the linkage design of the rotating assembly and the air exhaust assembly, active air exhaust is conducted on the die cavity before powder stamping, residual air is thoroughly exhausted, in the process, local stress concentration caused by high-pressure air mass formed by air compression in the pressing process is avoided, and the density of a pressed blank is more uniform and closer to a theoretical value; and compaction layering, cracks or surface defects caused by gas heating expansion are prevented.

The embodiment of the invention provides an intelligent air compressor control system and method based on deep learning and an optimization algorithm, and the system comprises a pressure sensing device which is configured to obtain pressure feature data; the electric quantity monitoring equipment is configured to obtain power consumption data of the air compressor; the temperature sensing equipment is configured to obtain temperature data of the air compressor; and the processor is configured to periodically determine operation parameters of the air compressor based on the adjusting period. And in one adjusting period, the processor is configured to determine operation parameters of one air compressor through an air compression model based on the pressure characteristic data, the air compressor power consumption data and the air compressor temperature data.

The invention provides a helium compressor, and relates to the technical field of helium compressors. A helium compressor comprises a vacuum containing cabin, an air compression assembly and a refrigeration assembly. The vacuum containing cabin is filled with helium. The air compression assembly is located in the vacuum containing cabin and externally connected with a helium input and output pipeline. The refrigeration assembly is located in the vacuum containing cabin, circulating airflow is formed in the vacuum containing cabin, the air compression assembly is cooled, a traditional air compression assembly is used as a pump machine of the helium compressor, on one hand, cost is greatly reduced, on the other hand, pollution of pump oil is avoided, and the service life of the helium compressor is prolonged. The air compression assembly is placed in the vacuum environment and is filled with helium for protection, the problem of air leakage pollution of a helium compressor is solved, meanwhile, the refrigeration assembly is arranged in the vacuum containing cabin, and the problem of heating of the air compression assembly is solved.

The invention provides a manufacturing method of a compressor slip sheet, the compressor slip sheet is provided with a sliding surface in sliding connection with a compressor cylinder body and a hinge part for hinging a compressor piston, and the compressor slip sheet is used for realizing eccentric rotation of the compressor piston and a crankshaft and realizing air compression, and the manufacturing method comprises the following steps: preparing a slip sheet body; the thickness of the slip sheet body is 2.8 mm to 4.5 mm, and the slip sheet body is provided with a first plane used for machining a sliding surface and second planes located at the two axial ends of the hinge part; the first plane is ground; feeding from the first plane of the slip sheet body, carrying out at least one time of linear cutting according to the target track of the hinged part to obtain the hinged part, and enabling the diameter range of the hinged part to be 1.5 mm to 3.5 mm; the second plane is subjected to accurate grinding treatment; and inspecting the surface of the slip sheet body, processing edges, and cleaning to obtain the compressor slip sheet. The problems that the size precision of the hinged end of the sliding vane does not meet the requirement, high-speed and smooth rotation is difficult, and noise is easily generated due to vibration are solved.

The invention relates to the technical field of power energy and ship resistance reduction, and discloses an internal combustion engine compressed air and electric supercharger ship bubble resistance reduction air supply control system which comprises an internal combustion engine set, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger and an electric supercharger, and the internal combustion engine set serves as a power source of the whole system and generates excessive compressed air by delaying the closing moment of an intake valve during conventional operation; the gas-liquid separator is arranged on one side of the internal combustion engine set and used for separating liquid impurities of the compressed air and discharging the liquid impurities regularly; the filter is arranged on the side, away from the internal combustion engine set, of the gas-liquid separator and used for further filtering the compressed air; the first gas storage tank is arranged on the side, away from the gas-liquid separator, of the filter. Compressed air of the internal combustion engine and exhaust gas of the internal combustion engine are used for replacing traditional independent air compression equipment, the effect of reducing the requirement for additional compression equipment is achieved, the problem that a traditional ship bubble drag reduction air supply system is high in energy consumption is solved, the energy utilization efficiency of ship operation is improved, and the overall energy consumption cost is reduced.

The invention provides a plant fiber pulp suction control device and method.The control device is internally provided with one or more cavities, and the cavities are connected with external vacuum equipment through vacuum pipelines and connected with external air compression equipment through air compression pipelines; the control device is further provided with a detection unit and an adjusting unit so as to control the flow and / or pressure in the cavity. The requirements of wall thickness, strength, density and the like of a product can be met, and when multiple cavities exist, the requirements of wall thickness, strength, density and the like of a designated area can be met; compared with traditional paper-plastic equipment, when the pressure and the flow in the forming process are suddenly high and suddenly low, the flow and the pressure in the forming process can be detected and adjusted in real time, then the consistency of products is guaranteed, the product percent of pass of the paper-plastic containers is improved, and market requirements are greatly met.

The utility model provides high-pressurization, compact-structure and low-axial-force centrifugal air compression equipment which is provided with a centrifugal aerostatic press main body device comprising a motor comprising a stator, a rotor and a main shaft fixed to the rotor, a first-stage centrifugal aerostatic press arranged on one side of the motor in the axial direction of the main shaft and comprising a first-stage double-faced impeller, and a second-stage centrifugal aerostatic press arranged on the other side of the main shaft and comprising a second-stage double-faced impeller. The first-stage double-sided impeller is fixedly arranged at the first end part of the main shaft; the second-stage centrifugal aerostatic press is arranged on the other side of the motor in the axial direction of the main shaft and comprises a second-stage impeller, and the second-stage impeller is fixedly arranged at the second end of the main shaft; the third-stage centrifugal aerostatic press is also arranged on the other side of the motor in the axial direction of the main shaft and comprises a third-stage impeller, the third-stage impeller is fixedly arranged at the second end of the main shaft, and the first-stage double-sided impeller, the rotor, the second-stage impeller and the third-stage impeller are sequentially and coaxially arranged in the axial direction of the main shaft; the second-stage impeller and the third-stage impeller are arranged in a back-to-back mode.

The invention discloses a full-section air supply type compressed air energy storage system, which belongs to a compressed air energy storage system and comprises a compressed air storage module, an expansion acting module connected with an outlet of the compressed air storage module, and an air compression module connected with an inlet of the compressed air storage module, a multi-stage cooler is arranged between the compressed air storage module and the air compression module, a multi-stage heater is arranged between the compressed air storage module and the expansion acting module, the compressed air storage module comprises a plurality of air storage pipes connected in parallel, and an inlet of each air storage pipe is connected with an outlet of the air compression module. The multi-section parallel air storage pipe is adopted as the air storage device of the compressed air energy storage system, the storage pressure is high, the sealing performance is good, the air storage device can be flexibly installed and arranged and is not limited by special geographical conditions, an integrated pipe network is convenient to form a scale, and simultaneous air injection and batched air production can be achieved; and the system operation efficiency can be effectively improved.

The invention discloses a fusion reactor gas injection device and method, and relates to the technical field of fusion engineering. The device comprises a driving air source supply unit used for providing high-speed airflow; the turbocharging unit comprises a turbine and an air compression impeller which are coaxially connected, an inlet of the turbine communicates with the driving air source supply unit, an inlet of the air compression impeller is used for guiding in working air, and the turbine is driven by high-speed airflow to rotate and drives the air compression impeller to rotate so as to compress the working air; an inlet of the high-pressure cavity is communicated with an outlet of the compressor impeller, and the high-pressure cavity is used for storing the compressed working gas to form a high-pressure gas source; the quick valve is arranged on an outlet pipeline of the high-pressure cavity and is used for performing pulse type release on the high-pressure air source; and the directional nozzle is connected to the downstream of the quick valve and is used for injecting the released working gas into the plasma boundary area of the fusion reactor. Therefore, when the fusion reactor gas is injected, the injection pressure can be increased, the response time can be shortened, and accurate regulation and control can be realized.