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1372 results about "Air compression" patented technology

Manufacturing method of compressor piston

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.
Owner:NINGBO YONGWEI GROUP

Intelligent heat dissipation system of oil-free digital energy air compression station

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.
Owner:GUANGDONG XINZHUAN ENERGY SAVING TECH CO LTD

Dynamic target pressure generation method based on multi-source pressure characteristics and energy efficiency curve

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.
Owner:SICHUAN BENJIE TECHNOLOGY CO LTD

Intelligent energy-saving control method for air compression system based on data driving

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.
Owner:HONGTA TOBACCO (GROUP) CO LTD

Heating system of annealing furnace

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.
Owner:NINGBO SACHSEN IND TECH CO LTD

Digital air compression station intelligent control method and system based on AI self-learning

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.
Owner:ZHEJIANG KAISHAN COMPRESSOR CO LTD

Compressed air energy storage system

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.
Owner:NAIKESEN (BEIJING) IND TECHNOLOGY CO LTD

Anti-sintering deformation type powder metallurgy device

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.
Owner:SHAANXI HUAXIA POWDER METALLURGY CO LTD

Manufacturing method of compressor slip sheet

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.
Owner:NINGBO YONGWEI GROUP

Internal combustion engine compressed air and electric supercharger ship bubble anti-drag air supply control system

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.
Owner:HARBIN ENG UNIV

Fusion reactor gas injection device and method

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.
Owner:聚变新能(安徽)有限公司

Gas source system and gas source system control method

The invention relates to the technical field of gas source systems, in particular to a gas source system and a gas source system control method. The air compression system is used for compressing input air under the control of the control equipment to generate compressed air; the compressed air is transmitted to the air storage system and / or the oxygen generation system under the control of the control equipment; the air storage system is used for storing compressed air under the control of the control equipment, so that the air utilization system can use the compressed air conveniently; the oxygen generation system is used for generating oxygen for the compressed air transmitted by the air compression system under the control of the control equipment; and the control equipment is used for controlling the air compression system to compress the input air according to the current air storage amount in the air storage system and / or the current oxygen content in the target carrying equipment, and controlling the air storage system to store the compressed air and / or controlling the oxygen generation system to generate oxygen for the compressed air. And multiple targets of cost reduction, efficiency improvement, safety and expansion are realized.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Pneumatic launching apparatus employing piston and cylinder cam driving pathways and methods

Launcher apparatus and methods of a toy projectile blaster piston air compression element and breech bolt having a connected cylinder driving arm, and a piston driving arm at the piston. A cylinder cam pathway track and a piston cam pathway track at a firing mechanism positions a piston cam follower linkage tracking end at the piston cam pathway track, and a cylinder cam follower linkage tracking end at the cylinder cam pathway track pivoted at a conveyor of an integral a trigger assembly. A cylinder follower projection is brought into contact with the cylinder driving arm and a piston cam follower projection is brought into contact with the piston driving arm, for fluid communication to outwardly launch the received projectile rounds.
Owner:HASBRO INC

Automatic cover plate and pedestal pan

The automatic cover plate comprises a base, a seat ring and a toilet cover, the base is provided with an air compression device and a pneumatic limiting device, the air compression device is provided with an air return structure, and the pneumatic limiting device is provided with a slow leakage valve; the seat ring is rotatably mounted on the base, and the seat ring in a seated state can close the slow leakage valve; the barrel cover is rotationally installed on the base and is in transmission fit with the air compression device, a first reset structure matched with the pneumatic limiting device is arranged between the barrel cover and the base, and when the barrel cover rotates from the closed position to the open position, the barrel cover drives the air compression device to exhaust air in the air compression device to the pneumatic limiting device through the first flow channel; the pneumatic limiting device is driven to limit work of the first reset structure. According to the automatic cover plate, the barrel cover can be automatically closed after a period of time of defecation of a user, the problem that the user forgets to cover the barrel cover after defecation is solved, and the user is allowed to open or close the barrel cover at any time according to needs.
Owner:KOHLER CHINA INVESTMENT

Engine EGR system, control method and vehicle

The invention discloses an engine EGR system, a control method and a vehicle. The engine EGR system comprises a turbocharger, a first valve, an electric compressor, an intercooler, an EGR cooler and at least one air cylinder. The exhaust end of the air compression assembly is connected with the first end of the intercooler, and the second end of the intercooler is connected with the air inlet end of the air cylinder. The first end of the first valve is connected with the exhaust end of the air compression assembly, the second end of the first valve is connected with the second end of the EGR cooler, the third end of the first valve is connected with the first end of the electric air compressor, and the second end of the electric air compressor is connected with the intercooler; air enters through the air inlet end of the air compression assembly, and the first valve controls the intervention condition of the electric air compressor by adjusting the opening degree of the first valve. Air passes through the intercooler and the air cylinder to generate waste gas, and at least part of the waste gas flows into the turbine assembly and is exhausted. According to the engine EGR system provided by the invention, the intervention condition of the electric gas compressor is controlled through the action of the first valve, so that the purpose of adapting to multiple working conditions and multiple scenes is achieved.
Owner:WEICHAI POWER CO LTD

Gas-water pulse pipeline flushing method

The invention discloses a gas-water pulse pipeline flushing method, and particularly relates to the field of industrial cleaning. In the maintenance and new construction of a water supply pipeline, pipeline flushing is a key link for guaranteeing the quality of supplied water, and an existing gas-water pulse pipeline flushing technology is characterized in that air is compressed, and then high-pressure gas with a certain frequency is added into the pipeline to form discontinuous two-phase mixed high-speed flow with water, so that impurities, sludge and the like in the pipeline are driven along with the gas-water mixed high-speed flow; and then the water is discharged out of the pipe. The pressure of a traditional air-water pulse system is generally 0.5 MPa, and in actual operation, the pressure can be reduced to 0.3-0.4 MPa, so that the problem that the cleaning efficiency is reduced is solved. The pulse cleaning technology provided by the invention is based on a strict fluid mechanics theory, and a traditional gas-water pulse pipeline cleaning method is optimized. According to the technical scheme, on the premise that safety and reliability of the system are guaranteed, the impact performance is improved by more than 50% through air pressure improvement of 0.5 MPa to 0.7 MPa and dynamic adjustment of the nozzle angle through the double-loop dynamic coupling control framework, and a more efficient solution is provided for water supply pipeline cleaning.
Owner:SHAOXING KEQIAO BINHAI WATER SUPPLY

Carbon energy efficiency dual-objective optimization analysis method and system based on digital twinning

The invention provides a carbon energy efficiency dual-objective optimization analysis method and system based on digital twinning, and relates to the technical field of carbon energy efficiency optimizing.The method comprises the steps that simulation modeling is conducted on an air compressor system and a sterile cold filling line of a beverage factory based on digital twinning, a filling twinning simulation space is constructed, and a production planning system is accessed; a bottle blowing machine beat signal, filling bottle attribute characteristics and filling bottle sterile blowing requirements in a preset time zone are obtained through a production planning system; in the filling twinborn simulation space, with minimization of carbon emission intensity and maximization of production stability as double optimization targets, iterative optimization search is conducted on the air compression control scheme of the air compressor system, and the optimal air compression control scheme is output; and the filling operation in the preset time zone is executed according to the optimal air pressure control scheme. The technical problems that in the prior art, an air compressor system adopts a fixed high-pressure control strategy, dynamic management and control cannot be conducted according to actual production requirements, and energy consumption is wasted are solved.
Owner:WUHAN BENWU TECH CO LTD

Display device

The invention provides a display device which further comprises a supporting assembly, and the supporting assembly comprises a supporting body, a first supporting part and an air compression assembly. Gas is injected into the first rodless cavity through the air compression assembly, the first supporting part moves in the first direction so as to drive the display screen located in the first containing space to be spread on the first supporting piece, the air compression assembly injects gas into the first rod cavity, the first supporting part moves away from the first direction, and the first rotating piece rotates so as to drive the display screen located in the first containing space to be spread on the first supporting piece. Therefore, the display screen located on the first supporting piece is driven to be retracted into the first containing space, and the size of the display area is changed. The display device does not have a gap, so that the display device can be applied to a small-size display screen. According to the display device, the defect that gaps exist between spliced display screens in the prior art is overcome, the display area of a small-size display screen is achieved, and the display device can be used for meeting the requirements for different display sizes.
Owner:HKC CORP LTD

Universal energy-saving and stable air supply control method for air compression system of iron and steel plant

The invention relates to the technical field of steel plant air compression, and discloses a steel plant air compression system universal energy-saving and stable air supply control method which comprises the following steps that S1, the total air consumption demand Q of a steel plant compressed air pipe network is monitored in real time; s2, executing a load segmentation control strategy based on the total gas consumption demand Q; s3, loading and unloading operation of the power frequency air compressor and rotation speed adjustment of the variable frequency air compressor are controlled in a coordinated mode through a central energy-saving control unit; and S4, a pressure buffer tank is arranged on an output pipeline of the variable-frequency air compressor and used for stabilizing the pressure of the pipe network. The total air consumption demand Q is divided into two sections, the power frequency machine is started and stopped according to the N + 1 principle, and the frequency converter is supplemented for continuous quantity supplement, so that the system can operate only with the minimum necessary unit in any load scene, energy waste caused by over-start and over-stop in a traditional scheme is avoided, and overall reduction of compressed air production energy consumption is realized.
Owner:JIANGSU JINCAN ENERGY TECHNOLOGY CO LTD

Dry ice air jet generation device and method

The invention belongs to the technical field of dry ice air jet, particularly relates to a dry ice air jet generating device and method, and aims to form high-speed airflow by using compressed air and dry ice particles so as to be applied to the fields of industrial cleaning, surface treatment and the like. The main device comprises an air compressor, an air storage bottle, a high-pressure hose, a stop valve, a pressure release valve, a pressure gauge, a dry ice particle preparation system, an ejector and a self-oscillation nozzle. The method comprises the steps that the air compressor compresses air to high pressure and stores the air in the air storage bottle; the liquid carbon dioxide is pressurized and conveyed into the ice forming barrel through the plunger pump, and the liquid carbon dioxide is converted into dry ice through temperature and pressure changes; and the dry ice is cut into dry ice particles by the ultrasonic knife net. Then, the dry ice particles and compressed air are mixed in the ejector and accelerated to a high speed; and finally, spraying the mixture through a self-oscillation nozzle to form a high-speed dry ice air jet flow. By means of the method, the dry ice air jet can be efficiently and stably generated, and the method is suitable for various industrial applications such as cleaning, surface treatment and sand blasting. The device is simple in structure and convenient to operate, and has high application value.
Owner:HENAN POLYTECHNIC UNIV

Dedusting and moisture-proof treatment device for automatic element of electrical instrument

The invention belongs to the technical field of electrical equipment, and discloses a dust-removing and moisture-proof treatment device for an automatic element of an electrical instrument. The electrical instrument automation element dust removal and moisture prevention treatment device comprises a cabinet body, a cabinet door is arranged at an opening of the cabinet body, a partition plate is fixedly connected in the cabinet body, an inner cabinet is arranged in the cabinet body and located on the upper side of the partition plate, and an inner cabinet door is arranged at an opening of the inner cabinet. According to the dust-removing and moisture-proof treatment device for the automatic element of the electrical instrument, by means of the design of the air circulation mechanism and the air compression mechanism, dust removal and dehumidification treatment can be conducted on external air, the treated air is compressed and stored, and the air circulation mechanism extracts air from a compressed air bottle to conduct circulating heat dissipation on the electrical instrument in the inner cabinet; the direct contact between external air and the electrical instrument is effectively avoided, the adverse effect of dust and water vapor on the electrical instrument is avoided, and the problems proposed in the background technology are solved.
Owner:HENAN SHENMA NYLON CHEM CO LTD

Seabed sampling equipment

The utility model relates to a sampling device, and discloses seabed sampling equipment which comprises a shell, a hose, a bearing middle frame, a sampling device, a waterproof sealing ring and a supporting device. The shell can comprise an upper pressure-resistant shell and a lower pressure-resistant shell, the upper pressure-resistant shell and the lower pressure-resistant shell form a containing space, and a pipeline hole is formed in the upper portion of the upper pressure-resistant shell. One end of the hose is connected with the pipeline hole, the other end of the hose is connected with the offshore equipment, and the hose is used for communicating the accommodating space with the offshore equipment, so that the seabed sampling equipment can obtain electrical supply of the offshore equipment. The bearing middle frame is fixed in the shell, the sampling device comprises an air compression pump, a sampler actuating cylinder, a sampler and a sampler plug, the sampler is fixedly connected with the sampler plug, the sampler plug is in sliding connection with the sampler actuating cylinder, an opening of the sampler actuating cylinder faces downwards, and the sampler plug and the sampler actuating cylinder form a closed space; the air compression pump is fixed on the bearing middle frame and is communicated with the closed space so as to push the sampler to be downwards inserted into the seabed.
Owner:SUN YAT SEN UNIV

Engine supercharging system and vehicle

The embodiment of the invention provides an engine supercharging system and a vehicle, and relates to the technical field of vehicle manufacturing. The electronic supercharger is constructed into a two-stage supercharger, the electronic supercharger is provided with a first-stage compressed air flow channel and a second-stage compressed air flow channel, a turbine compressed air flow channel is formed in the turbocharger, and the first-stage compressed air flow channel, the second-stage compressed air flow channel and the turbine compressed air flow channel are distributed in series. And the three-stage compressed air inlets are communicated with the air inlet to form three-stage compressed air inlet to the air inlet. According to the engine supercharging system provided by the embodiment of the invention, gas can be supercharged for three times through the first-stage compressed air flow channel, the second-stage compressed air flow channel and the turbine compressed air flow channel, so that the air compression ratio can be increased, the turbine hysteresis phenomenon is avoided, the air inlet pressure response speed is increased, and transient air supply to an engine is ensured; the operation stability and combustion efficiency of the engine are guaranteed, the fuel economy of the engine is improved, and the driving experience is improved.
Owner:HONEYCOMB WEILING POWER TECH (JIANGSU) CO LTD

LNG (Liquefied Natural Gas) cold energy gradient utilization system coupled with seawater desalination and liquefied air energy storage

The invention discloses an LNG (Liquefied Natural Gas) cold energy gradient utilization system coupled with seawater desalination and liquefied air energy storage. A seawater desalination module of the system carries out seawater desalination by using cold energy of liquefied natural gas, and a liquefied air energy storage module carries out air compression and liquefaction in a power off-peak period and releases energy to generate power in a power peak period; the system can switch a seawater desalination priority mode, an energy storage peak regulation mode and a composite energy supply mode. According to the system, a double-loop structure is adopted, liquefied natural gas cold energy, solar heat energy, electric energy and environmental resources are fully coupled, multi-energy complementation, gradient utilization and combined cooling heating and power are achieved, flexible switching of three cooperative operation modes is achieved, the operation state of the system can be adjusted according to the external load requirement, the resource utilization efficiency and the operation economy are improved, and the energy consumption is reduced. The modular design has good expandability and engineering adaptability, has the characteristics of being green, energy-saving, environment-friendly, high in safety and stable in operation, and is suitable for guaranteeing regional water resources and balancing power generation fluctuation of unstable green energy.
Owner:ZHEJIANG SCI-TECH UNIV

Water delivery pipeline inverted siphon device capable of automatically flushing and discharging sludge

The utility model discloses a water delivery pipeline inverted siphon device capable of automatically flushing and discharging sludge, which is characterized in that an air compression device is arranged in a water inlet equipment well, an air flushing valve is arranged behind the air compression device, the other side of the air flushing valve is connected with an air flushing pipe, and the air flushing pipe penetrates through the water inlet equipment well and then extends to the bottom of a water inlet of a descending pipe; the air flushing pipe is communicated with the bottom of the parallel pipe through an inclined tee joint at a certain distance, is communicated with the bottom of the sludge hopper through a regular tee joint, is communicated with the bottom of the ascending pipe through a regular tee joint at a certain distance, and is provided with an adding ring at the tail end of the regular tee joint, and an air outlet hole is formed in the adding ring. The device can automatically flush and discharge sludge according to the deposition degree of the water conveying pipeline, sludge deposited at the bottom of the inverted siphon pipe is flushed into the sludge hopper through compressed air, and then the sludge deposited at the bottom of the sludge hopper is lifted to a sludge discharge wet well through the compressed air and then discharged out of the system.
Owner:CHINA POWER CONSTR GRP ARCHITECTURAL PLANNING & DESIGN INST CO LTD +1

High-temperature evaporation demulsification device for emulsion wastewater treatment

The utility model relates to the technical field of wastewater treatment, in particular to a high-temperature evaporation demulsification device for emulsion wastewater treatment, which comprises a high-temperature treatment box, a solid particle storage box arranged at the tail end of the high-temperature treatment box, a solid particle scraping structure arranged above the high-temperature treatment box, and a bubble generation rapid reaction structure arranged in the high-temperature treatment box. And the bubble generation rapid reaction structure comprises an air compression assembly, an air inlet assembly and a hollow-core bubble plate, the tail end face of the high-temperature treatment box is symmetrically communicated with quantity control material pipes, and the tail end face of the solid particle storage box is communicated with a waste material pipe opening. According to the utility model, a large number of tiny bubbles can be generated through the bubble generation rapid reaction structure, and the tiny bubbles can be rapidly attached to the surfaces of suspended solids separated by high-temperature evaporation demulsification, so that the suspended solids separated from emulsion wastewater rapidly float on the surfaces; therefore, small suspended solids can float on the surface, and the demulsification effect can be improved.
Owner:WUXI XINYIHONG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Compressed air energy storage and energy saving impact rotation starting system, method, equipment and medium

The invention discloses a compressed air energy storage and energy-saving impact rotation starting system, system and equipment and a medium, and belongs to the technical field of energy-saving impact rotation starting. The method comprises the steps that air is compressed through a compressor and then sent to a cooling heat exchanger to be cooled, and cooled air is obtained; the cooling gas in the cooling heat exchanger is compressed and then conveyed into the first gas storage chamber until the pressure of the first gas storage chamber is at the first rated pressure; cooling gas in the cooling heat exchanger transfers and controls the expansion machine at a second target rotating speed through a buffer module, so that the output power of the generator reaches a first initial power value; air in the first air storage chamber is released by opening the air inlet adjusting valve, and the air flow in the first air storage chamber is controlled until the output power of the generator reaches a first output power value; and adjusting the starting regulating valve according to a preset rate, monitoring instrument data, and finishing starting when the starting regulating valve is in a closed state and the power of the generator is stable. The problem that a traditional expansion machine is large in throttling loss is solved.
Owner:GUIZHOU POWER GRID CO LTD

Pneumatic quantitative fertilization, powder fixing and deep fertilization robot

The utility model belongs to the technical field of agricultural robots, and relates to a pneumatic quantitative fertilization, powder fixation and deep fertilization robot, which is characterized in that a conveying component, a deep scarification fertilization component, an air compression spray explosion component and an automatic following component are mounted on a crawler chassis, and are connected through a three-way valve; the material conveying assembly is used for providing fertilizer for the deep scarification and fertilization assembly, the air compression spray explosion assembly is used for providing compressed air for the deep scarification and fertilization assembly, the deep scarification and fertilization assembly is used for conveying air and fertilizer for soil, and the automatic following assembly is used for detecting and identifying people and obstacles in the environment; a discharging motor of the material conveying assembly drives a rotating shaft and a partition plate to rotate, a discharging baffle is opened, fertilizer enters a material storage bin from a discharging bin, and the material storage bin is communicated with the deep scarification and fertilization assembly. Quantitative discharging and fertilizing are achieved, discharging is conducted in a gas pushing mode, fertilizer particles are evenly distributed, and damage caused by low-frequency vibration to equipment is reduced; and the automatic following assembly automatically follows the working personnel to walk.
Owner:山东特斯拉机器人有限公司

Magnetic suspension centrifugal air compressor

The utility model relates to the technical field of air compression, in particular to a magnetic suspension centrifugal air compressor. In order to solve the problem that energy consumption and use cost are increased due to the fact that a heater is additionally arranged on an existing air compressor, the utility model provides a magnetic suspension centrifugal air compressor which comprises a compression main machine and an intercooler. A first-stage air outlet of the compression main machine is communicated with an intercooling air inlet of the intercooler through a first-stage exhaust main pipe, and an intercooling air outlet of the intercooler is communicated with a second-stage air inlet of the compression main machine through a second-stage air inlet pipe; a first-stage exhaust branch pipe connected with the intercooler in parallel is connected between the first-stage air outlet of the compression main machine and the second-stage air inlet of the compression main machine, and a temperature adjusting valve is arranged on the first-stage exhaust branch pipe. When the magnetic suspension centrifugal air compressor is used for producing compressed air, a heater does not need to be additionally arranged, the requirement of a user for the temperature of the compressed air can be met, energy consumption can be saved, and use cost can be reduced.
Owner:SAZHEN COMPRESSOR SHANGHAI CO LTD

Automobile bearing end cover casting device

The invention relates to a casting device, in particular to an automobile bearing end cover casting device which comprises a forming cavity, a plurality of communicating cylinders are fixedly connected to the bottom of the forming cavity, each communicating cylinder is fixedly connected with an air compression mechanism, a forming mold is slidably connected into the forming cavity, and an injection mechanism is fixedly connected into the forming mold. The injection mechanism is fixedly connected with a plurality of pushing mechanisms; the forming cavity is fixedly connected to the device support, the bottom of the communicating cylinder is fixedly connected with a telescopic mechanism I, the telescopic end of the telescopic mechanism I is fixedly connected with a stop piece I, the stop piece I is slidably connected to the communicating cylinder, and the stop piece I can block the connecting position between the communicating cylinder and the forming cavity; and automobile bearing end covers with different stepped circular ring shapes can be prepared.
Owner:ZHEJIANG SHINY AUTOMOBILE PARTS