1305 results about "Powder Spray" patented technology

The invention discloses a real-time monitoring and feedback control system for enamel electrostatic powder coating, and relates to the technical field of industrial enamel coating. The system comprises a data acquisition and monitoring module, a feedback control decision module, an execution mechanism control module, a spraying path planning and adjusting module, a parameter optimization and adaptive adjustment module and a multi-target cooperative adjustment strategy module. The system builds a standardized state vector and recognizes abnormity by collecting spraying enamel electrostatic powder state parameters, deposition error signals and environment interference data, and closed-loop control and dynamic adjustment of spray gun electrode voltage, powder supply amount and spray gun path parameters are achieved. Intelligent algorithms such as particle swarm optimization are introduced to optimize a controller and process parameters, the coating uniformity and the deposition efficiency are automatically balanced in combination with a multi-target collaborative strategy, and stable spraying quality is achieved under complex working conditions. The method has the advantages of self-learning, self-adaption and expandability, and the intelligent level and the production performance of the enamel electrostatic powder spraying process are remarkably improved.

The invention discloses a stainless steel tube optical detection device based on industrial vision, and belongs to the technical field of optical detection, the stainless steel tube optical detection device comprises a conveying mechanism used for conveying a stainless steel tube, and the conveying mechanism is provided with an optical detection mechanism used for carrying out optical detection on the stainless steel tube and a rotating mechanism used for driving the stainless steel tube to rotate; the conveying mechanism can automatically convey the stainless steel pipe to be subjected to optical detection, the next stainless steel pipe to be detected pushes the detected stainless steel pipe into the cleaning pool, and the stainless steel pipe to be detected reaches the optical detection mechanism to prepare for next optical detection; full-automatic continuous optical detection of the stainless steel pipe is realized, and the automation degree is high; the optical detection mechanism sprays fluorescent powder to the surface of the stainless steel pipe through the fluorescent powder spraying pipe, the rotating mechanism is started to drive the stainless steel pipe to rotate, the industrial camera in the upper detection shell is combined with the fluorescent powder to optically detect the surface of the stainless steel pipe, and the optical detection effect is good.

The utility model provides molding powder spraying equipment capable of uniformly spraying. The molding powder spraying equipment comprises a main body mechanism and a shielding piece, the main body mechanism comprises a spraying chamber, a material pump is installed on one side of the spraying chamber, a spraying gun is installed at a discharging opening of the material pump, one end of the spraying gun penetrates through the spraying chamber, a material box is installed on one side of the spraying chamber, and a feeding opening of the material pump communicates with the material box; the shielding piece is composed of three annular baffles which are nested with one another, one side of each annular baffle is fixedly connected with a limiting plate, and a spraying groove is integrally formed in one side of each annular baffle; the servo motor is arranged to be matched with the rotating disc and the hook to drive the workpiece to rotate, the spraying gun conducts all-directional spraying on the workpiece, different annular baffles are selected according to the size of the workpiece in the spraying process, the annular baffles are moved downwards to conduct rotation limiting on the workpiece, the shaking amplitude of the workpiece is limited, and the plastic powder spraying space is reduced; and the scattered molding powder is easier to adhere to the surface of a workpiece.

The invention provides a method for testing the strength of powder for spraying based on ultrasonic pulverization, which comprises the following steps: selecting spraying powder to be tested, and uniformly mixing with water to obtain a test raw material; performing ultrasonic cell crushing on the test raw material to obtain a crushed sample; and testing the particle size distribution of the crushed sample, calculating the powder crushing degree according to the particle size distribution, and evaluating the powder strength according to the powder crushing degree. According to the powder strength testing method provided by the invention, the process condition is closer to the actual working condition of a dynamic impact environment in the powder spraying process, the overall strength state of the powder is accurately evaluated, the operation is simpler and more convenient, the testing efficiency is high, the strength evaluation is accurate, and the method has great engineering application value.

The invention relates to the technical field of metal 3D printing equipment fault diagnosis, in particular to an intelligent fault diagnosis method for metal 3D printing equipment, which comprises the following steps of: calculating a quality value of a molten pool by monitoring state information of the molten pool in real time, judging whether the quality value is abnormal or not, and triggering a fault self-checking instruction if the quality value is abnormal; the method comprises the following steps: analyzing vibration amplitude and positioning error data of a laser scanning galvanometer, calculating a stability evaluation value and judging whether the stability evaluation value is normal or not, if so, monitoring power distribution and a focus drift distance of each height layer of a laser beam, calculating an irradiation evaluation value and judging whether the stability evaluation value is normal or not, and if not, monitoring the powder spraying amount of a powder nozzle, and comparing and analyzing the powder spraying amount with a reference value. And calculating a powder spraying evaluation value, judging whether the powder spraying evaluation value is normal or not, and if all the parts are abnormal, matching a fault grading condition table and determining a fault grade, so that intelligent and precise real-time fault diagnosis and automatic grading are realized, and the printing efficiency and the yield are improved.

The invention relates to a thermal / environmental barrier coating and a preparation method thereof. The coating is of a three-layer structure and sequentially comprises a silicon bonding layer, an ytterbium silicate environment barrier layer and a (RE1xRE21-x) 3TaO7 thermal barrier surface layer from inside to outside. The ytterbium silicate environmental barrier layer is formed by mixing Yb2SiO5 and Yb2Si2O7; a (RE1xRE21-x) 3TaO7 thermal barrier surface layer, wherein x is more than or equal to 0.5 and less than 1; in the preparation method, the high-performance thermal / environmental barrier coating is efficiently prepared by adopting the scheme of synthesizing target powder through a solid-phase reaction, preparing a spraying feed through spray granulation and depositing the coating layer by layer through plasma spraying and utilizing the mechanisms of synergistic improvement of functions of the multi-layer coating, doping modification of rare earth elements and the like. The thermal / environmental barrier coating disclosed by the invention has the advantages of excellent CMAS corrosion resistance, good thermal insulation effect and high layer-to-layer thermal matching, and the service life of the SiCf / SiC composite material can be prolonged under the temperature condition of 1500 DEG C by the thermal / environmental barrier coating.

The tail gas purification device of the epoxy powder spraying line comprises a purification tank, a gas conveying mechanism used for conveying tail gas is arranged on the side wall of the purification tank, a purification mechanism used for purifying the tail gas is arranged at the bottom end of the inner side of the purification tank, and the tail gas purification device further comprises an anti-blocking mechanism located in the middle of the purification mechanism; the anti-blocking mechanism comprises a rotating rod, a plurality of first springs, a brush rod and a driving assembly; according to the scheme, by arranging the anti-blocking mechanism, filtering holes of the filtering plate can be conveniently and automatically scraped and cleaned, so that the filtering holes of the filtering plate are effectively prevented from being blocked due to particulate matter accumulation, and the purposes of effectively facilitating normal filtering and improving the filtering efficiency are achieved; the filter plate can be conveniently inserted, mounted and dismounted, so that the purposes that the filter plate can be conveniently repaired, replaced or maintained, and insoluble particles in tail gas can be conveniently and normally filtered by the filter plate are further achieved.

Powder spraying equipment for aluminum material production relates to the technical field of aluminum material powder spraying equipment and comprises a spraying box with an opening in the top, a box door is hinged to the opening end of the spraying box, a fixed U-shaped plate fixedly arranged and a plurality of sliding U-shaped plates horizontally and movably arranged are horizontally arranged in the spraying box side by side, and a plurality of inserting grooves are formed in the ends of the sliding U-shaped plates. A plurality of insertion rods are fixedly arranged at the end of the fixed U-shaped plate and the end of the sliding U-shaped plate, one end of each insertion rod extends into an insertion groove of the sliding U-shaped plate adjacent to the insertion rod and is provided with a detachable limiting ring, and the top of the fixed U-shaped plate and the top of the sliding U-shaped plate are each provided with a sliding L-shaped plate arranged in a horizontal sliding mode and a swinging L-shaped plate arranged in a swinging mode; a positioning plate is rotationally arranged at the end of the swing L-shaped plate along the horizontal line, a plurality of first receding grooves are formed in the opposite ends of the positioning plate, and a plurality of second receding grooves are formed in the top and the bottom of the positioning plate. The problem that an existing powder spraying device is low in metal powder adhesion rate is solved; and the material taking and placing procedures are tedious.

The invention discloses a powder spraying pile composite roadbed deformation prediction method, and particularly relates to the field of roadbed settlement prediction, comprising the following steps: in an edge calculation node, respectively constructing an underground water level change event, a construction stage event, a soil consolidation stage event and a traffic load cycle event into independent event time chains; the event time chain is recorded by taking the occurrence moment of the event, the duration of the event and the interval duration between the events as a time step unit; and performing splitting operation on the time step units of each event time chain, and forming a time granularity matrix according to the duration difference between the time step units. A plurality of types of discrete events such as water level, construction, consolidation, traffic load and the like are uniformly disassembled into time step length units, and a time granularity matrix and a time dislocation vector are constructed, so that the rhythm difference and dislocation relationship of the events on different time scales can be quantitatively expressed; and solving the transition of the settlement stage by taking the result as the observation input of the variational Markov model.

The invention relates to the technical field related to intelligent production control, in particular to a powder spraying method and system for the surface of a slender pipe and a medium, and the method comprises the steps that the preprocessed slender pipe is placed on a workbench containing multiple assemblies, electrostatic spraying is conducted through a spray gun, powder feeding adjustment is conducted, the angle of a flow guide groove is dynamically adjusted according to parameter combination, and spraying uniformity is controlled in combination with rotating speed induction. The technical problems that dynamic parameter matching mechanisms for different pipe diameters and wall thicknesses are lacked, airflow changes in the inner space of a slender pipe are difficult to cope with, and uneven distribution of powder in the pipe is likely to be caused are solved, the coating thickness deviation is controlled by associating a spray gun mechanism with a pipe rotating assembly, and the spiral angle of a flow guide groove is dynamically adjusted along with friction torque; and the piezoelectric centrifugal switch is used for detecting the rotating speed fluctuation in real time, the spray gun displacement compensation and the powder feeding amount adjustment are automatically triggered to enable the powder to be distributed in the pipe, and the machining efficiency is improved on the basis that the powder spraying quality of the surface of the long and thin pipe is guaranteed.

The invention discloses a feeding conveying device for pipe fitting powder spraying and a using method, and belongs to the technical field of pipe fitting powder spraying. A feeding conveying device for pipe fitting powder spraying comprises a rack and further comprises a feeding plate, the feeding plate is obliquely arranged on the rack and used for stacking pipe bodies to be subjected to powder spraying, and the lower end of the feeding plate is provided with a blocking base movably abutting against the pipe bodies; the separating assembly is arranged on the feeding plate and used for separating the pipe bodies stacked on the feeding plate; the feeding assembly is arranged at the tail end of the feeding plate and used for conveying a pipe body to be sprayed with powder to the spraying gun; the transferring assembly is arranged at the tail end of the feeding plate and used for transferring the first pipe body at the tail end of the feeding plate to the feeding assembly. Through dynamic separation, gear synchronous transmission and spiral driving rotation, efficient, accurate and reliable operation of the pipe fitting powder spraying and feeding process is achieved, and an advanced automatic solution is provided for the surface treatment industry.

The invention discloses an experimental device and an experimental method for gas / dust explosion flame-shock wave superposition coupling effect and combustible medium explosion transition induced by gas / dust explosion flame-shock wave superposition coupling effect under multi-parameter influence. Comprising a visual explosion system, a gas leakage diffusion system, a powder leakage diffusion system, an ignition system, a gas supply system, a powder spraying system, a discharge system, a displacement regulation and control system, a data acquisition system, a synchronous controller and a program control and data acquisition system. According to the experimental device and the experimental method for the gas / dust burning flame-shock wave superposition coupling effect under the influence of the multiple parameters and the induced combustible medium burning explosion transition thereof, the action processes of mutual impact, superposition, coupling and the like of detonation / detonation head-on flame-shock wave under the multiple working condition parameters can be realized; and the experimental study on the process of inducing the leakage diffusion combustible medium explosion transition and the critical condition thereof fills the technical blank of the study on the explosion flame-shock wave coupling effect process and the secondary disaster evolution mechanism induced under the influence of multiple parameters.

The invention discloses a ceramic dry granulation unit which comprises a granulation machine body and a first transverse plate fixedly connected with the outer wall of the middle of the granulation machine body, and the bottom end and the top end of the granulation machine body are provided with a cleaning mechanism and a conveying mechanism correspondingly. Meanwhile, a second draught fan blows air into the discharging barrel, the ceramic powder can be sprayed out of the distributor more quickly and evenly, at the moment, an external water supply device injects water into a plurality of water pipes, the water is sprayed out through an atomization spraying head, and the ceramic powder sprayed out of the distributor is wetted; one part of the wet ceramic powder can directly fall onto the rotating disc through the opening in the bottom end of the granulator body, and the other part of the wet ceramic powder can fall onto the inner wall of the bottom end of the granulator body, and at the moment, the first fan blows air into the inner cavity of the bottom end of the granulator body, so that the wet ceramic powder falling onto the inner wall of the bottom end of the granulator body is blown up; therefore, the material falls onto the rotating disc through the self weight of the material.

The invention provides a plastic particle feeding device, and relates to the field of plastic particles. The plastic particle feeding device comprises a hopper arranged at a feeding outlet of an extruder, a quantitative feeding mechanism for rotationally and quantitatively feeding plastic raw materials is arranged in the hopper, a vibration mechanism for vertically vibrating to realize blockage prevention is arranged in the hopper, and the quantitative feeding mechanism moves vertically by rotationally extruding the vibration mechanism. According to the plastic particle feeding device, plastic fragments are fed into the hopper, corresponding batching reagents are placed in the powder storage cavity and the liquid reagent storage unit, the quantitative feeding mechanism works, the liquid spraying mechanism sprays out a proper amount of liquid to wet the surfaces of the plastic fragments, the powder spraying mechanism sprays out a proper amount of powder ingredients, and the plastic particles are fed into the powder storage cavity and the liquid reagent storage unit. Therefore, the powder reagent can be fully attached to the surfaces of the plastic fragments, and the problem of uneven mixing caused by layering of ingredients and the plastic fragments during existing plastic particle processing can be solved.

The invention relates to the technical field of mold detection, and discloses a special working state inner wall detection device for a neutral borosilicate molded bottle mold, which comprises a workbench, an opening and closing mechanism is arranged on the middle side of the top of the workbench, a clamping mechanism is arranged on the top of the workbench, and a six-degree-of-freedom mechanical arm is mounted on the rear side of the top of the workbench. A ceramic probe is arranged on the outer side of the six-degree-of-freedom mechanical arm, and a base fixing seat is fixedly connected to the outer side of the ceramic probe. A real-time image differential analysis module is arranged, a blowing and powder spraying mechanism is used for carrying out pneumatic excitation on a suspected defect area, and a multispectral endoscope module is controlled to respectively collect optical images before and after excitation; by calculating the normalized difference measure of the two images and comparing the normalized difference measure with the preset physical displacement threshold value, the non-solid-phase attachments displaced due to pneumatic excitation and the solid-phase defects with fixed positions can be distinguished, and the technical problem that two abnormal areas with different properties are difficult to effectively classify in the prior art is solved.

The invention relates to the technical field of industrial coating, and discloses a remote management control method for electrostatic powder spraying equipment, which comprises the following steps: connecting the electrostatic powder spraying equipment to a remote control center, and carrying out initialization setting; a sensor is used for collecting operation data of the equipment in real time and transmitting the data to a remote control center; optimizing spraying parameters according to preset spraying process requirements and data acquired in real time; performing real-time analysis on the equipment operation data, detecting abnormal data, and giving an alarm when an abnormality is found; by adjusting the speed and the pressure of the powder conveying system, the conveying amount of the powder is matched with the spraying task requirement; the equipment is operated and monitored in real time through the remote terminal, and simultaneous operation and authority management of multiple users are supported. By means of the method, efficient management and accurate control over the electrostatic powder spraying equipment can be achieved, the spraying efficiency and quality are improved, and the labor cost and resource waste are reduced.

The invention relates to the technical field of atomizer equipment, and discloses a micron-sized solid ceramic powder spray granulator which comprises a base support, a drying tower body is fixedly mounted at the top end of the base support, an output pipeline is fixedly mounted at the bottom end of the drying tower body, and a mounting support is arranged at the top end of the drying tower body. And an atomizer is fixedly mounted in the mounting bracket. According to the micron-sized solid ceramic powder spray granulator, an atomizer and a structure on the atomizer are arranged, when the atomizer does not act, along with the loss of gas in an inner cavity of an inner runner pipe, under the elastic force action of a second elastic piece, a linkage sleeve piece is forced to move downwards, and pressure is applied to the side face of an elastic ring again; the inner runner pipe is driven to move upwards to extrude the third elastic piece, and meanwhile, the outer surface of the inner runner pipe and the inner wall of the outer runner pipe are attached to each other to extrude out the liquid material remaining in the inner runner pipe.

The utility model relates to a target type jet mill which comprises a cylindrical barrel, and a fine powder channel and a coarse powder channel are formed in a grading chamber; the powder grader is mounted in the grading chamber, and a powder outlet of the powder grader is connected with the fine powder channel; the powder supply device is connected with the powder feeding chamber and is suitable for feeding powder into the powder feeding chamber; the powder spraying pipe is installed on the barrel of the powder crushing chamber, an inlet of the powder spraying pipe is connected with a first Venturi powder pump, and a powder return pipe is connected between the first Venturi powder pump and the coarse powder channel. The particle size of the separated crushed powder can be controlled through the powder grader, selection control is carried out in a large particle size range, fine powder meeting the set requirement is discharged from the fine powder channel, coarse powder is collected for centralized treatment while the fine powder is discharged and collected in time, and therefore the powder quality is improved. Coarse powder enters the second Venturi pump through the coarse powder channel and is sprayed out again to be smashed, and the smashing efficiency and quality are improved.

The invention provides a heat treatment-free aluminum alloy casting production process, and belongs to the technical field of alloys, and the heat treatment-free aluminum alloy casting production process comprises the following steps: S1, alloy preparation; s2, smelting and refining are conducted, after pure aluminum ingots are molten, heating and mixing are conducted, powder spraying refining and degassing treatment are conducted, and the dosage of a refining agent accounts for 0.1%-0.3% of the mass of molten liquid; s3, die-casting forming is conducted, specifically, a high-vacuum die-casting process is adopted, the injection pressure is 80-150 MPa, the melt pouring temperature is 680-720 DEG C, and the die preheating temperature is 150-250 DEG C; s4, natural aging treatment; the specific parameters of the adding amount of a refining agent, the injection pressure and the pouring temperature are optimized through a three-factor three-level orthogonal test, the optimal machining process parameters are determined to be 0.20% of the refining agent, 120 MPa of the injection pressure and 700 DEG C of the pouring temperature by detecting the tensile strength, the ductility and the hardness of the alloy, at the moment, the tensile strength of the alloy is improved to 389 MPa, the ductility is improved to 8.5%, and the hardness is improved to HV65.8; and compared with the alloy before optimization, the alloy is increased by 9.0%, 26.8% and 2.3% respectively.

The invention discloses an efficient garden soil remediation device based on garden soil texture, and belongs to the technical field of garden soil remediation. Comprising a walking vehicle body, a soil transition unit, a fixed-thickness spraying unit, a smashing and throwing unit, a stone throwing unit, a powder throwing unit and a rotary tillage feeding part. The soil transition unit comprises a guide-in conveying belt and a first material throwing conveying belt, and a second material throwing conveying belt is arranged under the first material throwing conveying belt; a blanking gap is formed between the first material throwing conveying belt and the second material throwing conveying belt; the fixed-thickness spraying unit comprises a material collecting channel which is fixed to the output end of the guiding-in conveying belt and the periphery of the first material throwing conveying belt in a wrapping mode. The second material throwing conveying belt movably penetrates through the bottom of the inner side of the material collecting channel. According to the efficient garden soil remediation device based on the garden soil quality, soil blocks can be scattered, stone blocks can be directly thrown, soil in-situ remediation is achieved, an interlayer composite remediation system can be formed on the soil surface, and the remediation effect is good.

The invention relates to a digital spray microbead decorative ceramic tile and a preparation method thereof. The preparation method comprises the following steps: (1) preparing color blank powder from 95-99.9 wt% of basic blank square slurry and 0.1-5 wt% of ceramic pigment; the raw materials are subjected to ball milling and pulping and then sent to a spray drying tower, and green body powder of different colors is prepared and stored and aged for use; (2) the color powder is input into a material distribution mechanism to complete green body texture pattern arrangement, the green body powder is arranged into green body texture patterns through the material distribution mechanism, a pattern material cake is obtained, and the pattern material cake is fed into a pressing machine mold cavity to be pressed; (3) performing infrared drying on the green brick; applying engobe to the dried green bricks and drying the green bricks; (4) carrying out digital ink-jet pattern decoration on the green body; (5) spraying a primary binder to form a bonding layer; (6) spraying ceramic microbeads according to the designed texture through digital powder spraying equipment to form a microbead decorative layer with a concave-convex height difference on the surface; and (7) spraying a secondary fixing agent, namely spraying the fixing agent on the microbead decorative layer, curing and then firing.

The invention provides a welding wire drawing forming device with a quality monitoring function, and relates to the technical field of welding wire machining. A vertical plate is fixed to the fixing table, a first motor is installed on the vertical plate through a bolt, a variable-diameter cylinder is installed on the fixing table through a bearing, a through hole in the left-right direction is formed in the variable-diameter cylinder, five sets of radial through holes are formed in the variable-diameter cylinder, internal threads are arranged in the five sets of radial through holes, and variable-diameter bases are installed in the five sets of radial through holes. The apertures of the five groups of reducing seats are sequentially reduced from left to right; five groups of reducing seats can be flexibly replaced, precise wire drawing and specification adaptation are realized, a visual detector and a full-material sensor cooperate, the quality and the winding state are monitored in an omnibearing manner, a plurality of motors control a powder sprayer in a linkage manner, precise powder spraying is realized, friction and energy consumption are reduced, the service life of a mold is prolonged, a ninth motor drives a cutting knife to perform automatic cutting, and the production efficiency is improved. And multiple functions are integrated, one-stop machining is achieved, and the production efficiency is effectively improved.

The utility model belongs to the technical field of electrostatic powder spraying, and particularly relates to an electrostatic powder spraying device. Comprising a cleaning box and a spraying box and further comprises a conveying rail, and the conveying rail sequentially penetrates through the cleaning box and the spraying box; the first sliding block is movably arranged on the conveying rail; the first supporting frame is fixedly arranged on the first sliding block; the air pressure telescopic columns are symmetrically arranged on the first supporting frame, and the output ends of the two air pressure telescopic columns are symmetrically arranged; the cleaning assembly is arranged in the cleaning box; and the spraying assembly is arranged in the spraying box. The pneumatic telescopic column hangs an object through the output end, the conveying rail drives the object to enter the cleaning box, the cleaning assembly cleans the surface of the object, the conveying rail drives the object to enter the spraying box after cleaning is completed, and the spraying assembly conducts electrostatic powder spraying on the object. Dust and stains on the surface of an object are cleaned, and electrostatic powder attachment is better achieved.

The utility model discloses an exhaust manifold with a novel structure, and relates to the technical field of exhaust manifolds. The exhaust manifold comprises an exhaust manifold body, a shell mechanism is arranged on the exhaust manifold body and comprises an upper connecting piece, a lower connecting piece, a left connecting piece and a right connecting piece, an upper shielding pipe is arranged between the upper connecting piece and the left connecting piece, and a lower shielding pipe is arranged between the lower connecting piece and the right connecting piece. By arranging the exhaust manifold, the shell mechanism and the components in the shell mechanism, the exhaust manifold can be directly wrapped in the shell mechanism through the exhaust manifold and the shell mechanism, so that obvious black traces can be formed on the inner wall of the shell mechanism through sprayed gas when a crack is generated; therefore, a user or a maintainer is helped to quickly and accurately position the crack, the amount of powder sprayed outwards can be reduced, and pollution to the periphery is reduced.

The artificial intelligence fire-fighting robot comprises a machine box, a supporting plate is arranged in the machine box, a powder spraying assembly is arranged in the machine box, the powder spraying assembly comprises a damping assembly, a lifting assembly and a rotating assembly, the damping assembly is arranged at one end of the lifting assembly, and the rotating assembly comprises a motor; a first bearing seat, a second bearing seat and a third bearing seat are arranged below the supporting plate, one end of an output shaft of the motor is in key connection with the second bearing seat, a driving wheel is arranged at the bottom of the second bearing seat, a driven wheel is arranged at the bottom of the third bearing seat, a belt is arranged between the driving wheel and the driven wheel, and a second connecting rod is slidably connected into the driven wheel. The damping assembly is arranged at the top end of the second connecting rod. The powder spraying assembly is provided with a plurality of storage tanks, so that the robot can carry multiple pipes of dry powder, the lifting assembly and the rotating assembly are endowed with the height and angle adjusting function for the spray head, and the design of the damping assembly effectively buffers recoil generated when the spray head sprays the dry powder.

The invention discloses an all-solid-state battery cell and a dry-method electrostatic spraying nozzle and method for preparing the all-solid-state battery cell, the nozzle structure is suitable for a powder spraying technology, the nozzle structure comprises an inner layer structure, a middle layer structure and an outer layer structure, the inner layer and the outer layer can be electrode active material channels, and the middle layer can be a coating layer channel of multiple materials such as a carbon conductive agent, a solid electrolyte and a binder; wherein the middle-layer powder can realize quantitative and uniform coating of the inner-layer electrode active material and the outer-layer electrode active material by virtue of electrostatic adhesion and control of a flow rate ratio, a good electron and ion transport channel is constructed, and the electrochemical performance of the solid-state battery is improved. A solvent is not needed in the preparation process of the all-solid-state battery cell, the design of the nozzle structure can be compatible with integrated preparation of a current collector, an electrode and an electrolyte membrane at the same time, the preparation process is greatly simplified, and the production cost is reduced.

The invention belongs to the technical field of ferrous metallurgy, and particularly relates to a multifunctional efficient rotary stirring powder spraying desulfurization injection method, which is characterized in that carbon powder is added into injection powder, so that the fluidity of desulfurization powder is improved, the risk of blocking a powder channel in the powder injection process is reduced, molten iron is recarburized, the chemical latent heat of the molten iron is improved, and the desulfurization effect is improved. The activity coefficient of sulfur in the molten iron is increased, and desulfurization is promoted; on the other hand, hydrogen-rich gas such as hydrogen or natural gas or coke oven gas is adopted to replace nitrogen and argon to serve as carrier gas for injection, the injected gas reacts with oxygen in the molten iron, oxygen in the molten iron is reduced, desulfurization is promoted, and loss caused by the reaction of magnesium powder and oxygen in the molten iron is reduced; meanwhile, the blown-in gas directly reacts with sulfur in the molten iron, and the desulfurization effect is achieved.

The invention relates to the technical field of seasoning powder drying, in particular to seasoning powder spray drying equipment and system. According to the method, during real-time operation of the spray drying equipment, the theoretical production efficiency and the theoretical efficiency error coefficient at each moment are obtained; the actual production efficiency at each moment is obtained by combining the weight data distribution of the residue filtering net, the inclined plate and the driving discharging assembly at different moments in the neighborhood range; heating power data is adjusted, and according to the temperature data and humidity data of the spray drying chamber and the anti-blocking actuating assembly at the real time after heating and power adjustment and the vibration disorder degree of the assembly, the influence coefficient of the temperature data on production at the real time is obtained; combining to obtain an influence coefficient of the temperature data on the component at the real-time moment; vibration correction data are obtained, and cooperative control is conducted on the anti-blocking actuating assembly. By accurately obtaining the vibration data of the anti-blocking actuating assembly during operation, the accuracy of cooperative control is ensured, and the drying effect is improved.

The invention relates to the technical field of coating quality monitoring, in particular to an intelligent monitoring method and system for electrophoresis powder spraying coating quality, and the method comprises the steps: firstly obtaining the global geometric information of a workpiece through three-dimensional scanning with submillimeter precision, then obtaining the optical characteristics of a coating through combining with a multispectral imaging module, achieving the multi-source data fusion through a time-space registration module, and carrying out the monitoring of the coating quality. A deep neural network model is adopted to invert and generate a three-dimensional film thickness distribution field, the coating thickness uniformity is accurately quantified, meanwhile, a three-dimensional convolutional neural network is utilized to intelligently recognize defects such as pinholes, orange peels and sagging, qualitative and quantitative comprehensive analysis is achieved, and finally spraying process parameters are adjusted in real time through a closed-loop feedback control module. According to the technical scheme, fundamental transformation from offline sampling inspection to online full inspection, from manual judgment to intelligent diagnosis and from post inspection to process intervention is achieved, and the strict requirements of modern intelligent manufacturing for coating quality full-process management and control are comprehensively met.

The invention relates to the technical field of adhesive tapes, and provides an easy-to-peel and adhesive-residue-free FPC fixing adhesive tape and a preparation method thereof.The FPC fixing adhesive tape sequentially comprises a PI base material layer, a silica gel pressure-sensitive adhesive layer and a release layer from bottom to top, and the silica gel pressure-sensitive adhesive layer is prepared from, by weight, 35-50 parts of polysiloxane, 10-25 parts of modified MQ resin, 1-5 parts of a curing agent, 1-5 parts of a curing agent and 1-5 parts of a curing agent. The high-temperature-resistant coating is prepared from the following components in parts by weight: 3-6 parts of a silane coupling agent, 2-5 parts of a platinum catalyst, 2-5 parts of modified white carbon black, 1.5-3.5 parts of an inhibitor and 50-70 parts of an organic solvent. The FPC fixing adhesive tape is good in temperature resistance, high in cleanliness, good in flatness, good in viscosity and excellent in exhaust performance, meanwhile, the FPC fixing adhesive tape is easy to punch, die-cut and process, easy to strip, free of adhesive residues and suitable for the fields of electroplating, ultrahigh-temperature baking varnish, powder spraying and chip element end electrode processing.