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186results about How to "Achieve decentralization" patented technology

Copper alloy pipe and preparation method and application thereof

The invention discloses a copper alloy pipe and a preparation method and application thereof, and the copper alloy pipe comprises the following components in percentage by mass: 0.01%-0.80% of Sn, 0.005%-0.05% of P, 0.01%-0.10% of Zr, 0.001%-0.01% of B, 0.001%-0.01% of Mn and the balance of Cu and inevitable impurities. Wherein the copper alloy pipe contains MnZr and BMn compound particles, the number of the MnZr compound particles on the cross section of the copper alloy pipe is 0.005-0.15 / mu m < 2 >, and the number of the BMn compound particles on the cross section of the copper alloy pipe is 0.005-0.2 / mu m < 2 >. By adding Zr, B and Mn and controlling the content of Zr, B and Mn, the preparation process and the like, the number and uniformity of MnZr and MnB compounds are regulated and controlled, and the tensile strength, ductility, corrosion resistance, bending, flaring, welding, pressure resistance and other machining performance of the copper alloy pipe are improved; and the prepared copper alloy pipe fully meets the application requirements of heat conduction pipes of air conditioner heat exchangers, air conditioner indoor and outdoor unit connecting piping and the like.
Owner:NINGBO JINTIAN COPPER TUBE

Rotor structure and inner cylinder structure of sand mill

The invention discloses a rotor structure and an inner cylinder structure of a sand mill. A plurality of grinding blocks and first bulges are arranged on the outer wall surface of the rotor structure; the grinding blocks and the first protrusions are arranged on the outer wall face of the rotor structure in a crossed mode in the circumferential direction and the axial direction of the rotor structure. Each grinding block is provided with four side faces and a top face, the first side face faces the first end of the grinding cavity, the second side face faces the second end of the grinding cavity, and the third side face is a slope face and obliquely faces the grinding block axially adjacent to the grinding block. In the grinding blocks distributed on the outer wall face of the rotor structure in the axial direction, the normal directions of the third side faces of at least one pair of adjacent grinding blocks intersect, and the intersection point is located between the pair of adjacent grinding blocks; a plurality of oval third protrusions are arranged on the inner wall face of the inner cylinder structure. According to the sand mill, the collision frequency between grinding media and between the grinding media and the wall face of the inner cylinder can be increased, the uniformity degree of materials in the grinding cavity is improved, and the grinding and smashing efficiency of the sand mill is improved.
Owner:DONGGUAN LONGLY MACHINERY +1

High-toughness polyester heat shrinkage film not prone to brittle fracture and preparation method thereof

The invention discloses a high-toughness polyester heat shrinkage film not prone to brittle fracture and a preparation method thereof, and belongs to the technical field of polymer packaging materials. A specific formula of the polyester heat shrinkage film consists of pure polyethylene glycol terephthalate, dihydric alcohol modified polyethylene glycol terephthalate, polybutylene terephthalate, a toughening-crystallization nucleating complexing agent, a crystallization accelerant, an opening slipping agent and filler. According to the polyester heat shrinkage film obtained by the invention, the thickness is 31.1-51.6 microns, the tensile strength is TD193-202 MPa, the tensile strength is MD23-85 MPa, the elongation at break is TD26-52%, the elongation at break is MD52-46%, the shrinkage rate TD is 47-80%, the shrinkage rate is MD0-15%, the haze is 4.2-5.0%, the light transmittance is 86.5-87.4%, and the elongation at break is not greatly reduced after the polyester heat shrinkage film is placed in a normal-temperature and normal-humidity environment for 24 months and placed in a high-temperature and high-humidity environment for 18 days.
Owner:SHANDONG SHENGHE PLASTIC DEV

Comprehensive energy service power transaction method and system

The invention relates to the technical field of electric power data transaction, in particular to an integrated energy service electric power transaction method and system. The method comprises the following steps: acquiring power use data; performing consumer behavior pattern graph construction on the power use data to generate a consumer energy use behavior pattern graph; performing comprehensive energy demand prediction on the standard power use data through the consumer energy use behavior mode map to generate consumer comprehensive energy demand prediction data; and building a block chain energy transaction platform based on the comprehensive energy demand prediction data of the consumer, and generating a block chain energy transaction contract. According to the invention, through personalized energy demand prediction, block chain transaction platform construction, electric energy type analysis, fluctuation response strategy, automatic transaction monitoring and data visualization, the flexibility and efficiency of electric power transaction are improved.
Owner:ZHEJIANG ELECTRIC POWER TRADING CENT CO LTD +1

Topology switching decentration differential game collaborative guidance method

The invention discloses a decentralized differential game cooperative guidance method for a missile cluster under a switching communication topological structure, and the method comprises the steps: introducing a virtual leading missile-slave missile architecture, enabling each missile to construct a virtual leading missile from an initial position, enabling nodes in a simplified virtual leading missile group system to interact through the state information of a topological structure, coordinating a virtual state, and achieving the cooperative guidance of the missile cluster under the switching communication topological structure. And generating a virtual consensus state track so as to realize decentration control. Communication topological structure switching is considered, an optimal control scheme for tracking an expected trajectory is solved in combination with a differential game theory and self-adaptive dynamic programming, and a network weight updating mechanism is designed in the process of solving an optimal control strategy for a nonlinear system line. According to the scheme, the average residence time limiting condition of switching signals is put forward, hypotheses and conditions needing to be met by part of parameters and variables are given, under the scheme, the designed multi-Lyapunov function can achieve exponential convergence, and the stability performance of a missile cluster using the guidance scheme under the topology switching condition is guaranteed.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

Distributed online adaptive task planning system for unmanned aerial vehicle group

The invention discloses a distributed online adaptive task planning system for an unmanned aerial vehicle group, and relates to the technical field of unmanned aerial vehicle task planning. The system comprises a data acquisition and processing module, a task planning and distribution module, a path planning module, a load configuration module, a real-time monitoring and adjusting module, a cooperative control module, a real-time communication module and an optimization module, and generating a task planning scheme and performing task allocation by applying an online optimization algorithm and a self-adaptive technology. According to the invention, the task planning and distribution module integrates advanced algorithms and technologies to perform task planning and task distribution, so that each unmanned aerial vehicle can bear appropriate task load, an unmanned aerial vehicle / vehicle cluster can autonomously and efficiently complete diversified tasks in a complex environment, intelligent scheduling, path optimization and cooperative operation of the unmanned aerial vehicles / vehicles are realized, and the unmanned aerial vehicle / vehicle cluster is enabled to be more intelligent. And the self-organization capability, the dynamic adaptability and the collaborative operation efficiency of the unmanned aerial vehicle group are improved.
Owner:四川吉利学院

Water rotation type paint spray booth wastewater treatment device

The invention discloses a water rotation type paint spray booth wastewater treatment device, and belongs to the technical field of wastewater treatment.The water rotation type paint spray booth wastewater treatment device comprises a water flow buffering mechanism, a wastewater separation mechanism is arranged below the water flow buffering mechanism, and paint slag separation filter cloth is fixedly installed in the wastewater separation mechanism; a separation driving mechanism corresponding to the paint slag separation filter cloth is mounted on one side of the rear end of the wastewater separation mechanism, and a spraying separation mechanism is fixedly mounted on the separation driving mechanism; the bottom of the rear end of the wastewater separation mechanism is connected with a flow guide mechanism communicated with the wastewater separation mechanism; and the rear end of the flow guide mechanism is fixedly connected with a filtered water storage mechanism. By designing the water flow buffer mechanism, the water flow can be further buffered and dispersed, so that the impact force of the water flow entering the wastewater separation mechanism below is greatly reduced, the disturbance caused after the water flow enters the wastewater separation mechanism is further reduced, and the follow-up paint slag and impurity interception and separation effect is further ensured.
Owner:SHANDONG ZHONGKE RUNBAO MATERIALS TECHNOLOGY CO LTD

Glass curtain wall with high-strength connecting structure

The utility model discloses a glass curtain wall with a high-strength connecting structure, which belongs to the technical field of glass curtain walls, and is technically characterized by comprising a curtain wall main body, and the curtain wall main body is of a three-layer stacking structure through an arranged butt joint stable mounting mechanism. The transparent sound insulation film for sound insulation is arranged at the joint of the inner-layer curtain wall body and the outer-layer curtain wall body, so that the sound insulation performance of the glass curtain wall is improved, meanwhile, the butt-joint stable installation mechanism also prevents external dust and water from entering a butt-joint installation gap, installation sealing protection of the glass curtain wall is achieved, and the service life of the glass curtain wall is prolonged. In addition, the overall installation stability of the curtain wall is correspondingly achieved through the butt joint stable installation mechanism, the supporting strength and rigidity of the glass curtain wall in use are remarkably improved, the stability is high, vibration and pressure can be buffered and dispersed through the arranged pressure-resistant buffering mechanism, pressure-resistant protection of the glass curtain wall is achieved, the pressure-resistant and anti-seismic performance is high, and the service life of the glass curtain wall is prolonged. The connecting structure has the advantages of good connecting stability and high strength.
Owner:SHENZHEN ZHONGYUE JIANKE GRP CO LTD

Porous carbon-sodium ferric phosphate pyrophosphate composite material as well as preparation method and application thereof

The invention discloses a porous carbon-sodium ferric phosphate pyrophosphate composite material and a preparation method and application thereof, the composite material comprises porous carbon and sodium ferric phosphate pyrophosphate, and the sodium ferric phosphate pyrophosphate is distributed on the outer surface of the porous carbon and in porous carbon channels. The preparation method of the porous carbon-sodium ferric phosphate pyrophosphate composite material comprises the following steps: (1) preparing a sodium ferric phosphate pyrophosphate precursor solution; (2) uniformly mixing the ferric sodium pyrophosphate precursor solution obtained in the step (1) with porous carbon to obtain a precursor material flow; and (3) drying and roasting the precursor material flow obtained in the step (2) to obtain the porous carbon-phosphoric acid ferric sodium pyrophosphate composite material. According to the method, the composite electrode material with high rate performance can be obtained, and the energy density can be greatly improved when the composite electrode material is applied to a sodium ion capacitor.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Anti-radiation photovoltaic packaging adhesive film, preparation method thereof and photovoltaic module

ActiveCN121950194AImprove resistance to ionizing radiationImprove stabilityFilm/foil adhesivesCoatingsResin matrixUltraviolet
The invention relates to the technical field of photovoltaic adhesive films, and discloses an anti-radiation photovoltaic packaging adhesive film, a preparation method thereof and a photovoltaic module. The adhesive film is of a multi-layer co-extrusion composite structure formed by co-extrusion molding and irradiation, and comprises an upper surface layer, a middle functional layer and a lower surface layer, the upper surface layer is a radiation-resistant polymer matrix (such as EVA-g-St, EVA-g-(alpha-MeSt), POE-g-St and an EVA / POE-aromatic resin blend); the middle functional layer comprises a packaging resin matrix, an anti-radiation agent (which is a nano-scale radiation protection material such as a rare earth oxide, a heavy metal oxide, a boron-containing compound and a polymer derivative of a benzotriazole type ultraviolet absorbent) and a stabilizer; and the lower surface layer is a bonding surface layer formed by light-transmitting bonding resin. The adhesive film is good in radiation resistance, the light transmittance, the cohesiveness, the elongation at break retention rate, the yellowing resistance, the power attenuation resistance of a component and the like after accelerated radiation are obviously improved, and the service life of the component under strong radiation can be prolonged.
Owner:JIANGSU ZHONGLAI NEW MATERIAL TECH CO LTD

Improved fluidized bed dryer and drying process

The invention relates to the technical field of fluidized bed drying, in particular to an improved fluidized bed dryer and a drying process. The drying machine comprises a material bed and a transverse moving mechanism; the bottom of the material bed is connected with a vibration source and can ventilate and dry upwards from the bottom; the transverse moving mechanism comprises a driving part assembled at the bottom of the material bed and a plurality of transverse moving beams distributed in the conveying direction of the material bed, and the transverse moving beams are slidably installed on the material bed in the width direction of the material bed. The driving piece is used for intermittently and synchronously driving the plurality of transverse moving beams and driving the adjacent transverse moving beams to reversely slide in a reciprocating manner; a plurality of first brushes and a plurality of second brushes are detachably installed on each transverse moving beam in the length direction of the transverse moving beam. Through various auxiliary drying treatments on materials and cleaning of the bed surface, the drying uniformity and sufficiency of material finished products are guaranteed, the uniformity of material particle sizes is improved, the quality of the dried material finished products is guaranteed, and follow-up stable storage is facilitated.
Owner:SHANDONG LANGJING NEW ENERGY TECH CO LTD

Pesticide distillation kettle structure

The utility model discloses a pesticide distillation kettle structure, and particularly relates to the field of distillation kettles, which comprises a distillation kettle body and a water cooling circulating device arranged on one side of the distillation kettle body and capable of extracting and liquefying steam; a pesticide stirring device capable of realizing a more comprehensive stirring effect is arranged on the inner side of the distillation kettle body; a top cover is movably arranged at the upper end of the distillation kettle body, the top cover is detachably connected with the upper end of the distillation kettle body through a screw in a penetrating manner, an air hole is formed in one side of the top cover, a motor fixing block is fixedly arranged at the upper end of the top cover, and a stirring motor is fixedly arranged at the upper end of the motor fixing block. According to the utility model, the water-cooling circulating device is arranged, so that steam in the distillation kettle can be extracted, liquefied in a pipeline and liquefied water backflow can be avoided, and the pesticide stirring device is arranged, so that the bottom and the middle of a pesticide can be stirred in all directions, and the high temperature at the lower end can be dispersed more effectively.
Owner:JINAN LEFENG CROP SCI CO LTD

Road condition dead angle traffic warning device

The invention relates to the technical field of traffic warning, and discloses a road condition dead corner traffic warning device which comprises a protective shell and a mounting seat, the mounting seat is fixedly connected to the lower surface of the protective shell, an early warning pile is fixedly connected to the upper surface of the mounting seat, and an anti-collision mechanism is arranged at the top of the mounting seat. Stabilizing mechanisms are symmetrically arranged on the outer side of the protective shell, each anti-collision mechanism comprises sliding plates which symmetrically penetrate through and are slidably connected to the inner wall of the protective shell, and a support is fixedly connected to the end, away from the protective shell, of each sliding plate. According to the road condition dead corner traffic warning device, through a triangular structure formed after the insertion rod is inserted into soil and the supporting plate is unfolded, the stability of the device when the device is collided is improved, the problem of angle deviation after the device is collided is avoided, and the problem that detection laser inclines after an early warning pile inclines is prevented; the accuracy of the detection result of the early warning pile is guaranteed, and finally safety guarantee is provided for vehicle driving and pedestrians.
Owner:ZHEJIANG YANGMEI SHUZHI TECH CO LTD

A kind of polyurethane ink preparation method

The invention relates to the technical field of water-ink, and in particular to a method for preparing a polyurethane water-ink. The method comprises the following raw materials in parts by weight: 70-80 parts of acrylic resin liquid, 30-40 parts of deionized water, 8-10 parts of water-based pigment, 8-10 parts of ethanol, 8-12 parts of functional additives, 5-8 parts of connecting materials, 5-8 parts of wetting agents, 4-6 parts of defoaming agents, 1.2-1.8 parts of activators and 0.3-0.6 parts of drying agents. The invention prepares the functional additives as the main additive of the polyurethane water-ink by mixing modified ethoxylated polyurethane with water-based polyurethane adhesive. The modified ethoxylated polyurethane can form a stable structure in the water-ink, condense inside the polymer to form a three-dimensional network cross-linked structure, improve the cross-linking density of the water-ink structure, improve the density of the surface of the ink layer, and at the same time, produce an adsorption effect on the coating surface through the combination of its groups, so as to effectively improve the adhesion of the water-ink.
Owner:SHAANXI XINAOHUA MATERIAL TECH CO LTD

Block chain data encryption query method and device, equipment and medium

The invention relates to the technical field of block chains, and discloses a block chain data encryption query method, device, equipment and medium, the method comprises the following steps: extracting data content information of to-be-chained data, using a homomorphic encryption algorithm to encrypt the data content information to obtain ciphertext content information; taking the ciphertext content information and the corresponding ciphertext hash value as on-chain evidence storage data to be stored in a block chain in a chaining manner; performing association mapping on the on-chain evidence storage data and the ciphertext access rule through the smart contract to generate an authority association rule corresponding to the on-chain evidence storage data; performing permission verification on the access permission in the data query request based on a permission association rule; after the permission verification is passed, querying the on-chain evidence storage data in a homomorphic encryption state according to the data query request to obtain an encrypted query result; and decrypting the encrypted query result to obtain target plaintext query data. The reliability of data encryption query can be improved.
Owner:CHINA MERCHANTS FINANCE HLDG CO LTD

Barium sulfate drying device

The barium sulfate drying device comprises a closed cylindrical shell, a drying cavity and a dispersing cavity are sequentially formed in the shell from top to bottom, a receiving groove is formed in the position, corresponding to a feeding port, in the drying cavity, a conical material distributing head is arranged in the middle of the interior of the receiving groove, and a plurality of first spray heads are embedded in the bottom of the material distributing head; the first spray head is connected to an air heater located outside the shell through an air supply pipe; the bottom of the drying cavity shrinks and is connected with the dispersing cavity, and a spiral dispersing channel is arranged in the dispersing cavity. According to the invention, drying and dispersion of materials can be completed through one device, the process flow is reduced, the device is simplified, and the cost can be reduced while the production efficiency is improved. Wet materials are driven by high-pressure hot air to rotate and move upwards along the receiving groove, the wet materials are dried by the hot air and are rubbed with the inner wall of the receiving groove at the same time, finally, small-particle powder is formed and leaves the receiving groove, the granularity and dryness uniformity of a barium sulfate finished product are improved, and the quality of the barium sulfate finished product is correspondingly improved.
Owner:YICHANG ZONTAY ADVANCED MATERIALS CO LTD

Method for rapidly degrading BPA based on iron-nitrogen co-doped shaddock peel biochar activated PMS

The invention discloses a method for rapidly degrading BPA based on activation of PMS by iron-nitrogen co-doped pomelo peel biochar, and belongs to the field of treatment of emerging organic pollutants in environmental water. The method comprises the following steps: mixing iron-nitrogen co-doped shaddock peel biochar with a BPA solution, performing ultrasonic stirring, adding a PMS stock solution, and performing stirring to degrade BPA; wherein the use amount of the iron and nitrogen co-doped shaddock peel biochar is 0.05 g / L to 0.2 g / L. According to the method, the shaddock peel is used as the biochar, and the prepared iron-nitrogen co-doped shaddock peel biochar catalyst and a PMS catalytic system have efficient, stable and complete degradation capacity on emerging organic pollutants and can be recycled.
Owner:NANJING FORESTRY UNIV +1

Display device and driving method thereof

The invention provides a display device and a driving method thereof. The display device comprises a display panel, the display panel comprises N partitions divided in the scanning direction, each partition comprises M rows of pixel units, each pixel unit comprises a pixel circuit and a light-emitting device, and N and M are positive integers; the driving circuit is electrically connected with the pixel units, and the driving circuit is used for generating oblique wave signals, inputting the oblique wave signals to the pixel units and sequentially controlling the pixel units of each of the N partitions to carry out data writing and light emitting in the driving period of one frame of picture; wherein the ramp signal comprises a plurality of pulse periods in the driving period of one frame of picture, the driving period of the pixel unit of each partition comprises a data writing stage and a light emitting stage, the data writing stage is prior to the light emitting stage, and the light emitting stage comprises the plurality of pulse periods of the ramp signal. According to the display device and the driving method thereof provided by the invention, the flicker problem of the display panel when the display panel displays a low-gray-scale picture can be improved.
Owner:WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD

Block chain enabled battlefield distributed frequency spectrum allocation architecture and method

The invention provides a block chain enabled battlefield distributed frequency spectrum allocation architecture and method, and belongs to the field of battlefield electromagnetic resource spectrum management. The architecture comprises a tail end node, a negotiation node and an auditing node, and the tail end node is used for transmitting frequency consumption preference to a superior negotiation node in an asymmetric encryption mode; the negotiation node is used for collecting and summarizing the frequency demand of the tail end node in the combat cluster and uploading the frequency demand of the combat cluster to the auditing node; and the auditing node is used for performing admission authentication on the tail end node participating in frequency allocation and performing frequency resource planning based on a distributed frequency matching algorithm so as to complete the consensus of a frequency allocation scheme. According to the invention, based on a many-to-one matching theory, rapid and efficient distribution of frequency spectrum requirements of frequency equipment is realized.
Owner:NANJING UNIV OF SCI & TECH

Micro-nano powder washing and separating device and method

The invention discloses a micro-nano powder washing and separating device and method, and relates to the technical field of washing and separating of micro-nano powder.The device comprises an outer barrel, a centrifugal barrel and a cover, a plurality of through holes I are formed in the barrel wall of the centrifugal barrel, filter cloth is installed next to the inner wall of the centrifugal barrel, and a discharging opening is formed in the center of the bottom of the centrifugal barrel; the centrifugal barrel is connected with a driving motor I through a transmission assembly, the driving motor I drives the centrifugal barrel to rotate, a liquid outlet is formed in the bottom of the outer barrel, the cover body is detachably connected with the outer barrel, a feeding pipe and a high-pressure water / hot air pipe are connected to the cover body, and a plurality of through holes II are formed in the high-pressure water / hot air pipe; the cover body is provided with a stirring paddle and a lifting brush, the stirring paddle is driven by a driving motor II, the driving assembly drives the lifting brush to move, and the problems that in the prior art, a common industrial centrifugal machine is not suitable for washing micro-nano powder, and the functions of repeated soaking and cleaning, automatic stirring and dispersing, automatic filter cloth cleaning and the like are difficult to achieve are solved; the washing efficiency is not high, and the powder purity is not ideal.
Owner:DONGFANG ELECTRIC CHENGDU INTELLIGENT TECH CO LTD +2

Reaction kettle for efficiently preparing platinum-carbon catalyst

The utility model relates to the technical field of catalyst preparation equipment, in particular to a reaction kettle for efficiently preparing a platinum-carbon catalyst. The utility model provides a reaction kettle for efficiently preparing a platinum-carbon catalyst. The reaction kettle comprises a cart, a reaction kettle body, a controller, a pump machine, a liquid conveying pipe, a gas conveying pipe, a connecting pipe and the like, a reaction kettle body is fixedly connected to the top of a top plate of the cart, a first cavity and a second cavity are formed in the reaction kettle body, a controller is fixedly connected to the bottom of the top plate of the cart, a pump is fixedly connected to the upper portion of the front side of the reaction kettle body, one end of a liquid conveying pipe is communicated with the inner bottom of the first cavity, the other end of the liquid conveying pipe penetrates through the pump and is communicated with a connecting pipe, and a gas conveying pipe is communicated with the connecting pipe. According to the utility model, by arranging the ultrasonic vibration rod and the stirring mechanism, ultrasonic dispersion and mechanical stirring of raw materials are realized, uniformly dispersed turbid liquid is obtained, the reduction reaction can be fully carried out, platinum particles can be more uniformly loaded on a carbon carrier, and thus the performance of the prepared platinum-carbon catalyst is improved.
Owner:HUA HYDRON HAONENG (GUANGDONG) NEW ENERGY CO LTD

Control method of lifting hook and lifting device

The invention discloses a lifting hook control method and a lifting device. Before a lifting hook is lowered, whether the pulling force of the lifting hook on a pull rope is larger than the self weight of the pull rope or not is judged; when the pulling force of the lifting hook to the pull rope is not greater than the self weight of the pull rope, the lifting hook cannot be lowered by virtue of the self weight, and at the moment, the friction wheel winch is controlled to drive the friction wheel group to release the pull rope and the winch is controlled to release the pull rope, so that the load of the pull rope between the winch and the friction wheel winch can act on the friction wheel winch; the load transmitted to the rope outlet end of the friction wheel set after the pull rope passes through the friction wheel set is attenuated, so that the dead weight of the pull rope between the friction wheel set and the lifting hook is smaller than the pulling force of the lifting hook on the pull rope, the lifting hook can pull the pull rope through the dead weight, the winch releases the pull rope according to the preset speed, and then the lifting hook is lowered.
Owner:YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD

Continuous fiber chopping processing method

The invention relates to the field of fiber chopping, and provides a continuous fiber chopping processing method which comprises the following steps: dipping a plurality of continuous filament fibers in a curable liquid medium, and then curing under an ordered placement condition to obtain a cured fiber body; controlling the feeding amount of a cutter according to the length of the required chopped fiber, and milling the cured fiber body to obtain processed chippings; and carrying out heat treatment on the processed chippings, and removing the cured medium to obtain the chopped fiber with the required length. The chopped fibers prepared by the method are controllable in length and high in fiber length consistency and uniformity, accurate control and dispersed preparation of the length of the chopped fibers can be realized, and full coverage of the length from a few microns to dozens of millimeters from a zero point can be realized, for example, ultra-short fibers can be prepared. The method can realize accurate chopping preparation of various materials such as inorganic fibers and organic fibers, and is one of key technologies for preparing composite materials.
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS

Preparation method and application of NiFe2O4 / ZIF-8 catalyst based on space-time gradient assembly

PendingCN119252944AAchieve hydrophilic and hydrophobic controlachieve decentralizationFuel and primary cellsCell electrodesPtru catalystElectrical battery
The invention discloses a preparation method and application of a NiFe2O4 / ZIF-8 catalyst based on spatio-temporal gradient assembly.The preparation method comprises the steps that NiFe2O4 nanoparticles are evenly distributed in ZIF-8 growth through a spatio-temporal gradient assemblystrategy in combination with the dynamic response characteristic of an inducer to temperature and a synchronous regulation and control technology, and a NiFe2O4 / ZIF-8 precursor is formed; and transferring the precursor into a quartz boat, and carrying out pyrolysis in a tubular furnace under the protection of nitrogen, hydrogen and helium mixed gas to finally obtain the uniformly distributed NiFe2O4 / ZIF-8 catalyst. The NiFe2O4 / ZIF-8 catalyst prepared by the method can replace a noble metal catalyst which is high in cost and scarce in resource, and has a wide application prospect in the fields of energy storage and conversion such as electro-catalytic oxygen reduction reaction and zinc-air batteries.
Owner:HENAN NORMAL UNIV

A flange plate braking structure

ActiveCN224622003Uachieve decentralizationGuaranteed heat conduction
The utility model belongs to the technical field of automobile brake equipment, concretely relates to a flange plate brake structure, including combination disc and the friction piece and brake caliper of setting on combination disc, combination disc includes first brake disc, second brake disc and circumferential connecting block, the circumferential connecting block is set as multiple blocks, and is fixed between first brake disc and second brake disc, first brake disc and second brake disc concentricity arrangement, multiple the circumferential connecting block is first brake disc or second brake disc as the center of circle and presents the circular distribution. The utility model discloses the cooperation structure of combination disc and friction piece, when brake caliper action, can make first half friction ring and second half friction ring on friction piece alternate and brake pad contact, realize the heat dispersion when continuous braking, again with the cooperation of rotating circumferential connecting block guarantee first brake disc and second brake disc heat conduction to first half friction ring and second half friction ring, reduce the heat saturation effect, keep stable brake effect.
Owner:河南耿驰机械有限公司

A pneumatic high-speed cocoon selection device

The present invention belongs to the technical field of intelligent equipment for processing mulberry cocoons. A pneumatic high-speed cocoon selection device comprises a conveying device, an air pressure device, an industrial camera, a defective cocoon separation device and a control system, wherein the conveying device, the air pressure device, the industrial camera and the defective cocoon separation device are electrically connected to the control system respectively; the air pressure device is arranged on the upper side of the conveying device and the air outlet faces the conveying device; the industrial camera and the defect separation device are arranged above the conveying device; the conveying device comprises a conveyor belt and a guide plate assembly, the conveyor belt has a feeding end and a discharging end; the guide plate assembly is located below the feeding end of the conveyor belt. The pneumatic high-speed cocoon selection device of the present invention can improve the sorting efficiency and identification accuracy of cocoons, prevent cocoons from bouncing up during rotation, and avoid jamming and easy adhesion between cocoons.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY

Roasting furnace for precoated sand processing

The utility model is applicable to the technical field of precoated sand processing, and provides a roasting furnace for precoated sand processing, which comprises a mixing box and a dispersing box, the dispersing box is mounted above the mixing box through a support plate, a dispersing component is mounted in the dispersing box, a mixing component is mounted in the mixing box, and the dispersing component and the mixing component are connected through a driving component; when the sand grains fall onto the inclined bearing arc plates from the sand grain inlet, the sand grains can slide downwards along the gradient in the process that the rotating rod drives the bearing arc plates to rotate, and in the process that the bearing arc plates rotate right opposite to the sand grain inlet to right opposite to the sand grain outlet, due to the fact that the inclination angles of all the bearing arc plates are different, the sand grains can slide downwards along the gradient. According to the sand mixing device, the supporting arc plates are arranged, so that the sliding distances of sand grains on the supporting arc plates are different, the sand grains in the different supporting arc plates can fall into different positions in the mixing box, dispersion of the sand grains is achieved, a large number of sand grains are prevented from being accumulated and entering fixed positions in the mixing box, and uniform mixing of resin and the sand grains can be rapidly achieved.
Owner:WUHU LINGFENG ENVIRONMENTAL PROTECTION TECH CO LTD

A drying oven device for sheet production line and control method thereof

The present invention relates to the technical field of sheet material production, and in particular to an oven device for a sheet material production line and a control method thereof, comprising a cylinder, wherein the top of the cylinder is fixedly connected to a feed hopper, and the bottom of the cylinder is fixedly connected to a lower hopper, and further comprising: a crushing assembly installed inside the feed hopper; a rotary drying assembly installed inside the cylinder, wherein the rotary drying assembly is arranged through interval spaces in a circumferential array, and the rotary drying assembly further comprises an airflow conveying assembly, wherein the airflow conveying assembly conveys airflow to one of the interval spaces, and the airflow is discharged from the airflow conveying assembly after passing through each interval space in turn; the device realizes real-time drying and dispersed drying of raw materials through the arrangement of the rotary drying assembly, and the dried raw materials immediately enter the production line, which is conducive to preventing the raw materials from being damp again during the storage process after drying.
Owner:WINKO NANJING PLASTICS CO LTD

Processing liquid nozzle

The present invention relates to a processing liquid nozzle, comprising: a main body part in which a mixing space for mixing a processing liquid therein, a first inlet formed at the upper end of the main body part so as to communicate with the mixing space and into which a first processing liquid flows, a second inlet formed at the lower end of the main body part so as to communicate with the mixing space, and an ejection port formed at the upper end of the main body part and into which a second processing liquid flows; a second inflow port formed in a side surface of the body part so as to communicate with the mixing space and through which a second processing liquid flows into the mixing space, and an ejection port formed in a lower end of the body part so as to communicate with the mixing space; and a rotational flow guide part which is vertically provided in the mixing space so that the upper and lower ends thereof face the first inflow port and the injection port, respectively, and which comprises a spiral guide having a spiral groove formed in the outer peripheral surface thereof.
Owner:DEVICEENG CO LTD

A borehole static cone penetration apparatus

ActiveCN116695662BPenetration is smooth and uniformVery precise measurementElectrical batteryClassical mechanics
The present application relates to a kind of borehole type static sounding device, it includes hydraulic power device, photoelectric separation cabin, suspension device, valve cabin, collection battery cabin, penetration propulsion device and probe in turn from top to bottom connection;Wherein, hydraulic power device is connected with external electricity by bearing cable interface, photoelectric separation cabin is connected with suspension device by axial positioning elastic card mechanism, suspension device is set in the middle position of borehole type static sounding device, hydraulic power device and collection battery cabin, penetration propulsion device are set to be located in the two sides of suspension device.The borehole type static sounding device of the present application can improve its stability when measuring, improve measurement accuracy.
Owner:CHINA OILFIELD SERVICES LTD