2477results about How to "Reduce replacement frequency" patented technology

The invention discloses a preparation method of a chitosan-sodium alginate-diatomite composite adsorbent. The preparation method comprises the following steps: (1) carrying out calcination pretreatment on diatomite; (2) dissolving sodium alginate powder in water; (3) adding the calcined diatomite into a sodium alginate solution to prepare a mixed solution a; (4) adding CaCl2 into an acetic acid solution for dissolving; (5) adding chitosan powder into a CaCl2 solution, and uniformly stirring to obtain a mixed solution b; (6) dropwise adding the mixed solution a into the mixed solution b for crosslinking to prepare SA / DM / CS composite gel balls; and (7) washing the gel balls with water for several times, repeatedly freezing and thawing for several times, and drying to obtain the composite adsorbent. The composite adsorbent is prepared by dropwise adding the sodium alginate solution containing the calcined diatomite into the mixed solution of the chitosan and the CaCl2, so that the problem of low mechanical strength of single sodium alginate hydrogel is solved, and the recycling stability of the hydrogel microsphere adsorbent is improved.

The invention discloses a battery management method and system, and relates to the technical field of battery management. The battery management method comprises the following steps: acquiring battery historical charging data, battery historical discharging data and battery historical standing data; the battery historical charging data, the battery historical discharging data and the battery historical standing data are subjected to data analysis, and a battery charging state parameter set, a battery discharging state parameter set and a battery standing state parameter set are obtained. The operation condition of the battery can be comprehensively mastered by combining the current real-time data, so that the performance of the battery in a single state is considered, the comprehensive performance of the battery in multiple states is analyzed, the defect of single-state analysis in the prior art is overcome, the accuracy and reliability of battery management can be remarkably improved, and the battery management efficiency is improved. The service life of the battery is prolonged; and the replacement frequency is reduced.

The invention relates to the field of machining tool tables, and discloses an automatic female needle assembling machine which is used for installing a female needle to a plastic shell and comprises a rack, the rack comprises an operation table and a protective cover, the protective cover is arranged on the operation table, and an operation space is formed between the protective cover and the operation table; the protective cover comprises a safety door capable of being opened and closed, the safety door comprises a door plate, a safety sensor and a door lock, the safety sensor and the door lock are both arranged on the door plate, the door lock has locking force so that the safety door can be in a closed state, and when external force exceeding the locking force is used for opening the door plate, the door lock is locked. After the safety sensor detects that the position of the door plate is changed, the automatic female needle assembling machine is controlled to stop working; and the manipulator is positioned in the operation space and is positioned on the operation table.

The invention discloses an air purification and filtration system for a hyperbaric oxygen chamber, relates to the field of air purification, and solves the problem that when an existing air purification and filtration system for the hyperbaric oxygen chamber is used, repeated circulating filtration is difficult to carry out multiple times through a single-layer filter screen, the air purification and filtration system for the hyperbaric oxygen chamber comprises a machine body, a switching mechanism, a filtration mechanism and a cleaning mechanism, the fixing ring is rotatably connected with a rotating disc, the switching mechanism comprises a bottom plate and a switching cylinder, and the filtering mechanism comprises a filtering cylinder, a driving column and a driving plate. According to the air purifying and filtering system for the hyperbaric oxygen chamber, the rotating disc is driven to intermittently rotate, the position of the switching cylinder is switched, and control over air conveying is achieved; when the driving column rotates rapidly, the driving plate is controlled to enable air in the switching cylinder to continuously penetrate through the interior and the exterior of the filter cylinder, the filtering frequency and the filtering efficiency are improved, impurities attached to the inner wall of the filter cylinder are preliminarily cleaned and collected through the cleaning mechanism, the service life of the filter cylinder is prolonged, and the replacement frequency is reduced.

The utility model relates to an aerosol generating device and an atomizer, the aerosol generating device comprises the atomizer, the atomizer comprises an atomization assembly and a first shell, the first shell is internally provided with a first liquid storage cavity used for storing a liquid matrix, and the atomization assembly is in fluid communication with the first liquid storage cavity and used for atomizing the liquid matrix to generate aerosol; the container comprises a second shell, a second liquid storage cavity used for storing the liquid matrix is formed in the second shell, the second shell is independent of the first shell, the container is constructed to be capable of being connected with the atomizer in a combined mode, and a liquid path allowing liquid to flow is established between the second liquid storage cavity and the first liquid storage cavity; therefore, the liquid matrix in the second liquid storage cavity can be transferred to the first liquid storage cavity; the power supply assembly is used for providing power for the atomization assembly to atomize the liquid matrix; wherein the atomizer is detachably and electrically connected with the power supply assembly, and when the atomizer is connected with the power supply assembly, a power supply path is established between the atomization assembly and the power supply assembly.

The invention relates to a volatile organic waste gas collecting and purifying device, and belongs to the technical field of waste gas purification, the volatile organic waste gas collecting and purifying device comprises a purifying device for collecting and purifying waste gas, a filtering device and a filtering cylinder arranged in the filtering device and used for filtering gas, and the filtering device is provided with a cleaning mechanism for cleaning the filtering cylinder; the cleaning mechanism comprises a rotating disc arranged above the filtering device, a vibrating plate connected to the outer surface of the filtering cylinder in a sleeving mode and a connecting rod hinged to the outer portion of the rotating disc, extending into the filtering device and rotationally connected with the vibrating plate. According to the volatile organic waste gas collecting and purifying device, the rotating disc and the water sprinkling structure are linked and matched for use through the transmission mechanism, so that the synchronous operation of gas filtering, reciprocating cleaning and water sprinkling can ensure that the surface of the filter cartridge is always kept in a clean state while the filter device continuously works, and the synchronism improves the dust cleaning efficiency; the reduction of the filtering efficiency and the increase of the energy consumption caused by excessive accumulated dust are reduced.

The invention relates to the technical field of wireless sensor networks, and discloses an automatic maintenance method for wireless sensor network nodes in a mine laneway, which comprises the following steps: S1, network topology structure design: establishing a wireless sensor network consisting of sensing nodes, relay nodes and gateway nodes, the sensing nodes being distributed in the mine laneway, the relay nodes being distributed in the mine laneway, and the gateway nodes being distributed in the mine laneway; the data acquisition node is used for acquiring environment data, the relay node is used for multi-hop transmission of the data, and the gateway node is used for communicating with a ground monitoring system; s2, a fault detection mechanism: integrating a fault detection module in each node; s3, a self-repairing mechanism: when the node detects a fault, automatically triggering the self-repairing mechanism; s4, performing fault early warning and reporting; and S5, energy consumption management and optimization: the system integrates an energy consumption management module in the node. Through the integrated fault detection module and the self-repairing mechanism, the system can automatically identify and try to repair the fault when the fault occurs, so that the downtime of the system is reduced, and the continuous and stable operation of the network is ensured.

The invention discloses a water quality monitoring device for environmental engineering, which comprises a monitoring box, a U-shaped frame, a power-driven roller, a rope, a fixed cylinder, a filter barrel, a water pumping hose and the like, the U-shaped frame is arranged at the bottom of the inner wall of the monitoring box, the roller is driven by a power mechanism, the bottom end of the rope is connected with the filter barrel, and the bottom end of the filter barrel is connected with the water pumping hose. The auxiliary mechanism controls the roller through a locking rod and a ratchet wheel, so that stable sedimentation of the filter barrel is ensured; the monitoring mechanism monitors water quality parameters by using a piston barrel and a detection probe; the cleaning mechanism automatically clears impurities on the surface of the filter vat to keep monitoring efficiency; the water quality monitoring device is ingenious in design, high in automation degree and easy and convenient to operate, the water quality monitoring efficiency and accuracy are effectively improved, the maintenance cost is reduced, and the water quality monitoring device is suitable for water quality monitoring of various water environments such as rivers, lakes and seas.

The invention provides an optical glass cleaning device, which relates to the technical field of optical glass cleaning, and comprises a cleaning pool, a cleaning pool, a vertical moving mechanism, a clamping mechanism and a turnover mechanism, the vertical moving mechanism comprises two vertical plates arranged on the back face of the cleaning pool, and a transverse plate is fixedly arranged at the tops of the two vertical plates. According to the scheme, through cooperative use of a gear and a gear plate, a rotating shaft is used for driving a clamping mechanism and an optical glass body to rotate by 90 degrees anticlockwise, so that the optical glass body is in a vertical state, chemical cleaning liquid on the surface of the optical glass body drops into a cleaning pool, the surface of the optical glass body is in a relatively clean state, and the cleaning effect is improved. When the surface of the optical glass body is wiped on the back side, no water stain is left on the surface of the optical glass body, so that the cleaning effect on the surface of the optical glass body is improved, the replacement frequency of the cleaning cloth can be reduced, and the cleaning efficiency of the optical glass body is improved.

The invention provides a hydrogen refueling station and a refueling method of a hydrogen storage bottle group of the hydrogen refueling station. The hydrogen refueling station comprises a first hydrogen storage bottle group, a first control valve, a second hydrogen storage bottle group, a second control valve, a third control valve and a fourth control valve, the end part of the first hydrogen storage bottle group is connected with a first pipeline, and the first control valve is arranged on the first pipeline; a second pipeline is arranged at the end part of the second hydrogen storage bottle group; the second control valve is arranged on the second pipeline; the first hydrogen storage bottle group is communicated with an outlet of the second pipeline through a third pipeline; the third control valve is arranged on the third pipeline; the second hydrogen storage bottle group is communicated with an outlet of the first pipeline through a fourth pipeline; the fourth control valve is arranged on the fourth pipeline; controlling the first control valve and the second control valve to be closed and controlling the third control valve and the fourth control valve to be opened under the condition that the continuous filling frequency of the second hydrogen storage bottle group is greater than or equal to the preset frequency; and controlling the first control valve and the second control valve to be opened under the condition that the continuous filling frequency of the first hydrogen storage bottle group is greater than or equal to the preset frequency.

The invention relates to the technical field of photovoltaic energy storage methods, and discloses a method for optimizing hybrid photovoltaic energy storage based on a Perturbobserve algorithm, which comprises a load, a photovoltaic power generation subsystem, an energy storage subsystem, a control and management system and a grid-connected system. The specific control method comprises the following steps: S1, obtaining an illumination intensity value within one day through a meteorological station, and obtaining a power grid net load value within one day through a voltage sensor and a current sensor; s2, taking economy optimization as a target, considering photovoltaic energy storage capacity constraints, and establishing an energy storage SOC control strategy target function; and S3, solving is carried out by using a PerturBobserve algorithm, and an optimal control pulse sequence is obtained. By optimizing the charging and discharging time and intensity of the energy storage battery, the consumption rate of photovoltaic power generation is maximized, the light abandoning phenomenon is reduced, and the energy loss in the charging and discharging process is reduced. Meanwhile, the PertuBobserve algorithm can avoid the excessive charging and discharging of the energy storage battery while considering the system load, prolongs the service life of the battery, and solves the problem of insufficient management of the service life of the battery in a traditional method.

The invention provides a line lamp color transformation control method and device, a lamp and a medium. The method comprises the following steps: acquiring ambient light intensity, color distribution, a user position and an action type in real time; a color mapping model trained by a neural network is utilized to convert the color parameters into color parameters; generating a color transformation instruction based on color mixing and a brightness compensation algorithm according to the color parameters; an instruction is sent to a driving circuit to control color conversion, and meanwhile, according to feedback of a temperature sensor in the line lamp, when the temperature exceeds a threshold value, the switching frequency and the brightness value are reduced, and a transition mode is changed; the normal temperature gradually recovers, and safety and effect are guaranteed. The color of the line lamp is accurately adjusted according to the environment and user behaviors, human eye perception is considered in a color mixing and brightness compensation algorithm, instructions are dynamically adjusted according to the temperature, the lamp is protected, sensors of the lamp are matched, control is achieved through a computer program, and the lighting experience is improved.

The utility model is suitable for the technical field of garbage classification, and provides a garbage classification throwing station which is provided with a box body, a frame, an overturning plate, a limiting plate and a lifting mechanism, in the garbage throwing process, the overturning plate can be driven by the gravity of garbage to overturn downwards, and after the garbage falls into a garbage can, the overturning plate is reset under the action of a reset torsion spring, so that the garbage can be automatically thrown into the garbage can. The reset overturning plate can block the throwing opening of the dustbin body, the phenomenon that garbage smell is diffused all around is effectively avoided, in addition, in the process that the lifting mechanism drives the frame to move from top to bottom, the limiting plate limits the overturning plate, the overturning plate can extrude and compress garbage in the dustbin, and therefore the space of the garbage is reduced, and the garbage utilization rate is improved. And the replacement frequency of the dustbin is reduced.

The invention relates to the field of waterproof sealing materials, and discloses a composite high-weather-resistance rubber waterstop which is composed of an outer layer, a middle layer and an inner layer. The outer layer contains 3%-8% of nano titanium dioxide, 2%-5% of nano zinc oxide, 50%-70% of a rubber matrix and 1%-3% of an ultraviolet light absorber, and the total proportion of the outer layer is 10%-20%. The middle layer is composed of 70%-85% of EPDM, 5%-10% of carbon fiber and 5%-10% of plasticizer, and the total proportion of the middle layer is 60%-75%. The inner layer is a dynamic covalent bond rubber material and contains 5%-10% of a vulcanizing agent and 1%-3% of an antioxidant, the rubber material accounts for 80%-90%, and the inner layer accounts for 15%-25% in total. Through a multi-layer composite structure, a dynamic covalent bond self-repairing material and an optimized vulcanization process, the comprehensive performance of the water-stop belt is remarkably improved, and particularly the durability and the service life of the water-stop belt in a long-term exposure environment are improved.

The invention discloses a water purifier with a layered filter element structure, and relates to the technical field of water purifiers, and the water purifier comprises a composite mechanism. According to the water purifier with the layered filter element structure, through the design of the composite mechanism, liquid enters from the feeding pipe and then is filtered through the layered filter element, impurities in the liquid are adsorbed, and the inner wall of the composite shell is scraped through the scraping mechanism, so that the effect of cleaning the impurities on the surface is achieved, excessive precipitation of the impurities is prevented, and the service life of the water purifier is prolonged. Impurities enter the output mechanism after being precipitated, filtered liquid flows towards the discharging pipe, follow-up treatment is facilitated, the treatment mechanism clamps the layered filter element, so that the rapid fixing effect is achieved, follow-up disassembly and replacement are facilitated, and the effects that the equipment can work for a long time, and the efficiency is improved are achieved. And the service life of equipment is prolonged.

The invention discloses a range-extending type automobile energy management method combining working condition recognition and a driving style, and relates to the technical field of range-extending type electric automobile energy management. Through an intelligent energy management strategy, the starting and output power of the range extender is dynamically adjusted according to the actual driving working condition and the driving style, invalid energy consumption is reduced, and the energy utilization efficiency of the whole vehicle is improved; the optimized energy management strategy can better respond to the intention of a driver, smooth and sensitive-response acceleration performance is provided, and meanwhile, the consistency of energy management and a driving mode is kept in an intelligent driving mode, so that the driving experience is enhanced; the optimized energy management strategy is beneficial to reducing the running cost of the whole vehicle, and maximization of economic benefits is achieved by reducing fuel consumption and battery replacement frequency; and moreover, the provided energy management system can adapt to different driving working conditions and driving modes, and efficient energy management can be realized no matter in urban congested road sections or expressways.

The invention discloses a titanium alloy weld joint fatigue life prediction method considering plasma welding process key parameters and a loading mode, and relates to the technical field of welding. Comprising the following three parts: firstly, detecting internal defect total information of a welding component with known process parameters by controlling welding process parameters and using a combined welding seam defect detection method; secondly, establishing a data model between the process parameters and the defect information of the welding component through a correlation analysis and random modeling method; and finally, through a fatigue experiment and high-precision simulation, establishing a prediction method for the fatigue life of the titanium alloy in consideration of the process parameters and the loading form. According to the method, the fatigue life of the weld joint structure under the action of the complex load stress spectrum can be predicted, the fatigue performance of the structure can be completely and accurately evaluated, guidance can be provided for welding engineers, optimization of welding design, selection of a proper welding process and adoption of corresponding post-welding treatment measures are helped, and the welding quality is improved. The fatigue performance of the welding seam structure is improved; and the service life is prolonged.

A coaxial shunt provided by the present invention comprises an outer conductor, a resistor body, a central shaft conductor and an insulating filler, the outer conductor, the resistor body and the central shaft conductor are all cylindrical structures and are coaxially arranged from outside to inside, an insulating connecting piece is arranged between the outer conductor and the central shaft conductor, and the insulating filler is arranged between the outer conductor and the central shaft conductor. The insulating connecting piece is mechanically connected with the outer conductor and the central shaft conductor at the same time, and / or the central shaft conductor is flexibly and electrically connected with the resistor body. According to the coaxial shunt provided by the invention, the insulation connecting piece and / or the central shaft conductor are / is flexibly and electrically connected with the resistor body, so that the resistor body is ensured to be stable and reliable. The invention also provides a current detection system using the coaxial shunt.

The invention discloses a method for electric spark machining of a high-carbon high-chromium molybdenum alloy steel chute, a first group of electrodes is adopted to machine the chute to be machined, the first group of electrodes comprises a first electrode, a second electrode and a third electrode, when the first group of electrodes is adopted to machine each chute, the first electrode is firstly used for rough machining, and then the second electrode is used for machining; carrying out semi-finish machining by using a second electrode, and finally carrying out finish machining by using a third electrode; after a plurality of skewed slots are machined, after a first electrode in a first group of electrodes is abraded, a second group of electrodes is adopted to machine the skewed slots to be machined, the second group of electrodes comprises a second electrode, a third electrode and a fourth electrode, when the second group of electrodes is adopted to machine each skewed slot, the second electrode is firstly used for rough machining, and then the third electrode is used for semi-finish machining; and finally, finish machining is conducted through a fourth electrode. And in this way, after the (n-3) th electrode in the (n-3) th group of electrodes is abraded, the (n-2) th group of electrodes is adopted to machine the chute to be machined, the (n-2) th group of electrodes comprises the (n-2) th electrode, the (n-1) th electrode and the nth electrode, when the (n-2) th group of electrodes is adopted to machine each chute, the (n-2) th electrode is firstly used for rough machining, and then the (n-1) th electrode is used for semi-finish machining, and finally, finish machining is conducted through the nth electrode. The invention aims to improve the processing efficiency and reduce the production cost while ensuring the processing quality.

The invention relates to the technical field of metal material processing, and particularly discloses a high-performance hot work die steel and a manufacturing process thereof, the process comprises the following steps: obtaining size data of a steel ingot, processing the data to obtain a deformation score of the steel ingot, and evaluating an abnormal condition of the steel ingot; acquiring temperature distribution data and stress distribution data in the heat treatment process; based on the abnormal condition of the steel ingot, comprehensively analyzing the temperature distribution data and the stress distribution data to obtain an influence score; marking the steel ingot based on the influence score, and adjusting production process parameters accordingly; according to the method, the dimensional change and the internal stress distribution in the steel ingot heat treatment process are monitored in real time and accurately controlled, and dynamic optimization of heat treatment process parameters is realized, so that the dimensional precision of the steel ingot is effectively improved, deformation in the heat treatment process is reduced, and finally, the overall performance of the die steel is improved, and the service life of the die steel is prolonged.

The utility model relates to the technical field of air tightness detection, in particular to an engineering air tightness detection device. The device comprises a body; a lifting assembly is arranged in the machine body and penetrates through the top of the machine body. A sealing assembly for sealing the window is arranged on the lifting assembly; the sealing assembly comprises a driving part, a positioning part for positioning the appearance of the window, a sealing part for sealing the window through the driving part and the positioning part, and a ventilation part for inflating the sealing part to form an air pressure difference. The square sealing structure covers the window frame, then the air cylinder is started, the telescopic end of the air cylinder and the connecting plate jointly push the square sealing structure to press the window frame, and the window frame is sealed. And then the air blower is started to inflate the sealing structure. And finally, the numerical value change of the pressure sensor is observed, so that the air tightness condition of the window is judged, automatic sealing of the window is achieved, manual sealing is avoided, the working content of workers is simplified, and the labor intensity is reduced.

The invention discloses an intelligent aging test fault diagnosis method, system and equipment for a lamp. The intelligent aging test fault diagnosis method for the lamp comprises the following steps: acquiring information of a tested lamp to be subjected to an aging test; setting external conditions according to the use environment of the tested lamp to be subjected to aging test; the data monitoring module obtains input power supply parameters; collecting power supply data; the data communication module executes data communication; judging whether abnormal data exists in the data or not; summarizing the power supply data in the aging test time period; performing waveform drawing on all the power supply data in the aging test time period, and performing statistical analysis; judging whether the parameters of the tested lamp are abnormal or not; if the judgment result is normal, outputting a normal data analysis result, and executing data archiving; if the judgment result is abnormal, diagnosis of the corresponding fault type is executed; and outputting a fault type analysis result.

The invention relates to a dust-free cutting device for processing metal parts of textile machinery, which comprises a cutting main body mechanism, the cutting main body mechanism comprises a welding base, a protective cover, a cutting arm hinging base, a cutting arm hinging shaft seat, a cutting arm, a tail hinging plate, a stretching air cylinder, a laser transmitter, a main rotating motor base, a main rotating motor, a hollow chuck and a driving belt wheel; the protective cover is fixedly arranged on the welding base, the cutting arm hinge bases are fixedly arranged in the middle of the top face of the welding base, and the number of the cutting arm hinge shaft seats is two. The standards of cutting depth and cutting precision are improved; and the smoke adsorption effect is improved, the smoke absorption rate generated in the cutting process is increased, and therefore harm to workers caused by dust and smoke in equipment when equipment protection is opened for feeding and discharging is effectively relieved.

The utility model relates to the technical field of hydraulic supporting rod protection, and discloses a hydraulic supporting rod protection structure which comprises a hydraulic rod, fixing supports are installed at the top and the bottom of the hydraulic rod respectively, a motor support is installed at the top of the hydraulic rod, and a motor is installed at the bottom of the motor support. The inner side of the fixing support is connected with a threaded rod through a bearing, and the inner side of the threaded rod is meshed with a gear cleaning mechanism. And the gear cleaning mechanism is connected with the hydraulic rod in a sleeving mode and comprises a spraying gear and a cleaning gear, a water injection groove is formed in the outer side of the spraying gear, a nozzle is formed in the inner side of the spraying gear, and a cleaning layer is arranged in the cleaning gear. According to the hydraulic supporting rod protection structure, the working efficiency can be improved through the gear cleaning mechanism, manual cleaning of the hydraulic supporting rod is time-consuming and labor-consuming, the surface of the rod body can be directly cleaned through the gear cleaning mechanism, and therefore the labor cost and the time cost are reduced.

The invention provides a remanufacturing repair method for generating a high-entropy effect in situ under the synergistic effect of multiple laser beams. When the surface of the damaged TiAl alloy blade is repaired, firstly, a first laser beam A is used for preheating a TiAl alloy in the repairing advancing direction, so that the TiAl alloy is molten to form a molten pool D rich in Ti and Al elements; secondly, a second beam of laser B is used for heating and melting Mo, Nb and Ta mixed powder sent out by the laser cladding head, and a molten pool E rich in Mo, Nb and Ta elements is formed; and along with advancing of the laser B in the repairing direction, the molten pool D and the molten pool E are combined to form a molten pool F rich in Mo, Nb, Ta, Ti and Al elements. And then a third beam of laser C is used for making a spiral line according to a preset route to swing and heat the molten pool F, and the stirring effect is achieved, so that the five elements of Mo, Nb, Ta, Ti and Al are evenly distributed in the molten pool, and the high-entropy effect after element mixing is enhanced. And finally, after the molten pool F is cooled, the MoNbTaTiAl high-entropy alloy coating is formed on the surface of the TiAl alloy. According to the method, the high-entropy effect is generated in situ through the additional elements and the matrix elements, and high-quality repairing of the surface of the TiAl alloy blade can be achieved.

The invention discloses a pressure self-adaptive adjustment and control system for a silica gel catheter, and relates to the field of self-adaptive adjusting.The pressure self-adaptive adjustment and control system comprises a pressure sensing module, a data statistics module, a data processing module, a pressure prediction module and an intelligent control module. The reflux prevention pressure and the excessive prevention pressure of the silica gel catheter are accurately adjusted; the historical pressure comprehensive performance value and the real-time pressure comprehensive performance value are combined, so that the prediction accuracy is improved; the reliability of sensing data is ensured by monitoring whether the data transmission of each module is abnormal or not, when the data transmission is abnormal, a problem module can be quickly positioned, the troubleshooting and repairing speed can be accelerated, and meanwhile, the use safety of the silica gel catheter is improved.

The invention relates to the technical field of cloth bag dust removal, and discloses a dust removal cloth bag cooling device which comprises a water chamber, an air inlet chamber and an air outlet chamber. The air inlet chamber is communicated with an air inlet of the integrated thin pipeline, and the air outlet chamber is communicated with an air outlet of the integrated thin pipeline; when entering the integrated thin pipeline through the air inlet chamber, high-temperature air is distributed to the thin pipelines through the integrated thin pipeline, exchanges heat with water in the water chamber to be cooled and then is discharged through the air outlet chamber. When high-temperature air enters the integrated thin pipeline from the air inlet chamber, the high-temperature air is divided into a plurality of thin pipelines through the integrated thin pipeline, the number of the high-temperature air is subdivided, the area of the high-temperature air in contact with water is increased, the water chamber is connected with the cooling tower, water in the water chamber is rapidly cooled, rapid cooling is achieved, and then the high-temperature air enters the dust collection bag device from the outlet pipeline to be filtered. After cooling, the requirement on high-temperature resistance of the dust collecting bag is reduced, and the cost is reduced.

The invention relates to an electrode material for lithium extraction, a preparation method of the electrode material, a lithium extraction electrode and a lithium extraction system, belongs to the field of salt lake lithium extraction, and solves at least one of the problems of fast capacity fading, relatively low overall lithium extraction efficiency and short service life of a lithium extraction electrode for an alkaline solution in the prior art. A preparation method of an electrode material for lithium extraction comprises the following steps: mixing an electrode active material with a rare earth salt solution, and forming a phosphate rare earth layer on the surface of the electrode active material in an in-situ coating manner; the electrode active material comprises lithium iron phosphate and a doped derivative thereof. When the preparation method, the obtained electrode material, the lithium extraction electrode and the lithium extraction system are applied to lithium extraction of salt lake brine, especially alkaline brine, at least one of the cycle performance, the lithium extraction efficiency and the service life is remarkably improved.

The invention relates to an automatic vertical ring rolling mill. The technical problems that an existing ring rolling mill is low in automation degree, and a core roller is prone to bending are mainly solved. According to the technical scheme, the automatic vertical ring rolling machine comprises a rack, a motor, a speed reducer, a main body rack, an oil cylinder base, a driving roller, a hydraulic oil cylinder, a machine body main shaft, a transmission shaft, a core roller bearing seat, a lower base, a fixed supporting seat, a core roller, a roller holding machine body, a bearing seat driving oil cylinder and a self-aligning roller bearing. A motor and a speed reducer are arranged at the upper end of the rack, the speed reducer is connected with one end of a transmission shaft, self-aligning roller bearings are arranged at the shaft diameter position of the transmission shaft, and the self-aligning roller bearings are installed on the upper portions of the two sides of the main body rack. The driving roller is installed on the transmission shaft, the lower end of the machine body spindle is connected with a nut arranged on the bottom face of the fixed supporting seat, the roller holding machine body is installed at the upper end of the main machine frame and connected with the hydraulic oil cylinder, and the core roller is installed on the core roller bearing seat which is arranged on the fixed supporting seat.

The invention provides a composite additive based on 2, 6-butylated hydroxytoluene, phosphate fire-resistant oil and application, the composite additive is a mixture of 2, 6-butylated hydroxytoluene and Revonox 501, the addition amount of 2, 6-butylated hydroxytoluene is 0.01%-0.10%, the addition amount of Revonox 501 is 0.0020%-0.0050%, the addition amount of 2, 6-butylated hydroxytoluene is 0.01%-0.10%, the addition amount of 2, 6-butylated hydroxytoluene is 0.0020%-0.0050%, and the addition amount of 2, 6-butylated hydroxytoluene is 0.01%-0.10%. After the phosphate fire-resistant oil is added with the composite additive, the comprehensive performance of the phosphate fire-resistant oil in the operation process can be improved, and the defects that after new phosphate fire-resistant oil is loaded into a system, the action flexibility of a steam turbine assembly is reduced and a servo valve of a speed regulating system is corroded and jammed due to the phenomena that the acid value is increased, the resistivity is reduced, oil sludge is generated and the like in the use process are overcome; and the operation safety of a turbine set of a power plant is influenced.