25 results about "Particle adhesion" patented technology

The invention relates to a cyclone separator capable of preventing particles on the outer wall of a riser from adhering and coking, and the cyclone separator capable of preventing particles on the outer wall of the riser from adhering and coking comprises an exhaust pipe, a rotational flow structure, and a cyclone pipe, a cylinder body, a cone and a discharging structure which are sequentially communicated from top to bottom, the exhaust pipe is arranged above the cyclone pipe and partially extends to the cyclone pipe, an air inlet and an air outlet are formed in the ends, located inside and outside the cyclone pipe, of the exhaust pipe respectively, and the rotational flow structure is located in the cyclone pipe and surrounds the exhaust pipe; the arrangement position of the feeding port is higher than that of the rotational flow structure, and the large end of the cone is connected to the barrel. According to the cyclone separator capable of resisting particle adhesion and coking on the outer wall of the riser, the problem of coking outside the riser can be solved, and the separation efficiency can be ensured.

This utility model discloses an online roller cleaning device for pressing electrodes, relating to the technical field of electrode processing equipment. It solves the problems of incomplete cleaning and localized particle adhesion to the rollers inherent in existing technologies. The device includes a frame with upper and lower rollers for pressing electrodes. A laser cleaning component and a protective cover are also connected to the frame. The laser cleaning component cleans the coating material on the corresponding roller using laser light. The protective cover has slits for the laser to pass through and slides parallel to the laser irradiation direction, connected to the frame. One side of the protective cover covers the corresponding roller, and the sliding path of this side's axis of symmetry is arranged radially along the corresponding roller. This device improves the cleaning effect of the coating material on the rollers. By replacing the scraper mechanism with a laser cleaning device, and placing the laser cleaning device below the lower roller and above the upper roller, the laser energy can be adjusted to remove the coating material adhering to the rollers without damaging them.

The present invention belongs to the technical field of manipulation of fine particle adhesion, and specifically discloses a reversible adhesion surface based on LCEs and a method for manipulating fine particles, which includes an electrothermal film and a solid adhesion layer disposed on the electrothermal film. The solid adhesion layer is constructed by using thermotropic liquid crystal elastomer LCEs. An array of cylindrical microstructures is arranged on the surface of the solid adhesion layer. The cylindrical microstructures include a first microstructure in an upright intermediate state and a second microstructure in a bent intermediate state that can be mutually converted. By adopting the above-mentioned reversible adhesion surface based on LCEs and the method for manipulating fine particles, the present invention realizes effective desorption of fine particles deeply embedded in the gaps of the microstructures, broadens the particle size range for reversible adhesion manipulation of fine particles, and improves the desorption efficiency of fine particles.

The invention discloses a waste rubber recovery-based treatment device, and relates to the technical field of waste rubber recovery, the waste rubber recovery-based treatment device comprises a supporting mechanism, and further comprises a heating plasticizing rubber filtering mechanism connected with the supporting mechanism; by installing the anti-adhesion mechanism, the surface of rubber is cooled before rubber particles are cut, the surface viscosity is reduced, and particle adhesion and caking are prevented; meanwhile, the surface of the cutter is cooled, the temperature of the cutting face of the rubber particles is reduced, the viscosity is weakened, particle bonding is further avoided, in addition, the preliminarily bonded rubber particles are separated through a plurality of dispersion rods, the situation that the rubber particles are solidified and difficult to separate after being cooled is avoided, gaps are formed in a rubber particle pile, heat dissipation is promoted, and cold air wraps the particles easily; according to the device, the rubbing and separating mechanism is arranged, cooled and solidified rubber particles are rubbed, the solidified and adhered rubber particles are pulled through the rubbing effect, the rubber particles are fully separated, and the phenomenon that the rubber particles are agglomerated is effectively prevented.

The application discloses a switch cabinet support particle adhesion degree evaluation method and device and a test platform. The method comprises the following steps: spraying dirt in the switch cabinet, collecting dirt concentration measurement values at a preset time interval, and keeping the average value of the dirt concentration within the threshold range of the dirt concentration; under different dirt concentrations, a plurality of groups of support sample comprehensive ground voltage measurement values under the joint action of a preset power frequency voltage and a simulated lightning strike voltage are obtained, and the preset power frequency voltage comprises a first preset amplitude; an initial model is optimized according to the comprehensive ground voltage measurement values, and an optimized model is obtained; the time influence reference value and the voltage amplitude reference factor are calculated according to the simulated lightning strike time, the first preset amplitude and the comprehensive ground voltage calculation value; the adhesion degree evaluation factor calculated according to the time influence reference value and the voltage amplitude reference factor is used for evaluation, and an evaluation result is obtained. The application can solve the technical problem that the prior art lacks an analysis scheme for the particle adhesion of the switch cabinet support.

The invention belongs to the technical field of high polymer material processing, discloses an efficient modified plastic particle cooling method, and aims to solve the problems of adhesion, low yield, high internal stress, degradation of mechanical properties and the like in existing modified plastic particle cooling. The method comprises the following steps: preparing a functional cooling suspension containing surface-hydrophobized inert particles; forming a physical isolation shell layer on the surfaces of the molten particles by utilizing a Pickering effect; and carrying out multi-stage gradient temperature control cooling on the particles coated with the isolating layer. By adopting the technical scheme, particle adhesion can be fundamentally solved, the internal stress is reduced, the mechanical property is improved, the purity is improved, and cyclic utilization of a cooling medium is realized.

The application provides a contact interface consistency regulation device and method for dynamic true triaxial electromagnetic Hopkinson bar test, the regulation device integrates low-temperature controlled heating, step-continuous rotary flushing, active-passive composite eddy current interface processing, ultrasonic peeling effect, particle separation recovery and rapid drying function, and builds a three-level regulation mechanism for gasket interface state recovery. Through the implementation of controlled softening, directional flushing and rotary peeling synergy on the gasket contact interface, efficient removal of the vaseline-rock debris composite adhesion layer is realized, and through gasket posture adjustment and flow guide structure strengthening tangential flushing uniformity, secondary particle adhesion is inhibited. The method can realize the repeatable and quantifiable recovery of the gasket contact interface without damaging the performance of the gasket, and provides reliable guarantee for the loading consistency and test accuracy in the true triaxial electromagnetic Hopkinson bar dynamics test.

To provide a method for preventing particle adhesion to tin or tin alloy plating films that can selectively remove hexahydroxostannate(IV) ions from tin or tin alloy plating solutions, reduce the concentration of tetravalent tin ions in tin or tin alloy plating solutions, suppress the generation of insoluble stannic hydroxide, and thereby prevent particles that are tin compounds from adhering to and co-depositing on tin or tin alloy plating films.SOLUTION: By bringing tin or tin alloy plating solutions containing methanesulfonic acid, tin methanesulfonate, and a nonionic activator into contact with chelate resin, particles that are tin compounds are prevented from adhering to tin or tin alloy plating films deposited from tin or tin alloy plating solutions.SELECTED DRAWING: None

The utility model discloses a polystyrene master batch preparation granulator capable of eliminating particle adhesion, and relates to the technical field of granulator, the polystyrene master batch preparation granulator comprises a granulator main body, the opening end of the granulator main body is fixedly connected with an extrusion plate, the top of the granulator main body is fixedly connected with a mounting rod, and one end of the mounting rod is fixedly connected with a protective frame. According to the polystyrene master batch preparation granulator capable of eliminating particle adhesion, when extruded particles are cut off through the cutter, the air compressor is started, compressed air is guided into the semicircular air blowing plate through the air compressor, the compressed air is sprayed to the extrusion plate through the inclined air nozzles, and therefore the cut particles are blown through the air, and the particles are prevented from being adhered to the extrusion plate. And meanwhile, falling of the polystyrene particles is accelerated, the polystyrene particles are prevented from being attached to the outer side wall of the extrusion plate again in the falling process, and therefore it is ensured that all the cut polystyrene particles fall into a cooling pond below, and the effect that the polystyrene particles are attached to the cutter to cause loss is avoided.

The present invention relates to a hydrate particle adhesion test device, which comprises a reactor, wherein four reaction chambers are sealed and separated by a movable vacuum glass plate in the reactor, a fiber base that can be moved up and down is provided on the inner side wall of each reaction chamber, a fiber probe that can be telescopically moved in the left and right directions is provided in the fiber base, a dropper is provided above the corresponding fiber probe for dripping liquid onto the fiber probe to form hydrate particles, a vent pipe for introducing different reaction gases is installed on the side wall of the reaction chamber, shear stress testing mechanisms are installed on the inner walls of two reaction chambers, and carrying support plates are installed on the inner walls of the two reaction chambers; the present invention forms different hydrate particles by introducing different gases into different reaction chambers, thereby being able to test the adhesion between a plurality of different hydrate particles and the shear stress of the hydrate particles, and also being able to test the adhesion between the hydrate particles and different wall materials, thereby saving experimental time and improving experimental efficiency.

To provide a sandy particle removal device and a sandy particle removal method with which a removal effect of sandy particles attached to an object is improved compared to prior art, in an environment of a planet surface or a satellite surface where gravity is smaller than on the earth.SOLUTION: A device 10 and a method for removing sandy particles 12 attached to an object 11, by radiating an electronic beam toward a surface of the object 11, in an environment of a planet surface or a satellite surface where gravity is smaller than on the earth, comprise: a covering material 13 disposed on a sandy particle attachment surface side of an object 11; and vibration applying means 14 for applying vibration to the covering material 13.SELECTED DRAWING: Figure 1

Provided is a mask capable of imparting efficacy of a functional agent while securing air permeability of a mask body. A mask (1) comprises a longitudinal direction (Y) corresponding to the vertical direction of a wearer, a lateral direction (X) corresponding to the horizontal direction of the wearer, and a mask body (10) that covers at least the lips nostrils of the wearer. The mask body has an air-permeable base material sheet (11) having a fiber material. The base material sheet has a fine particle adhesion region (R1) to which fine particles containing a functional agent are attached. A plurality of the fine particle adhesion regions (R1) are arranged at intervals in a first direction that is one of the longitudinal direction and the lateral direction.

The plastic granulating device comprises a working box, the right side of the bottom of the working box is connected with a connecting box, the inner bottom wall of the working box is provided with a conveying belt, the right side of the conveying belt is provided with a conveying mechanism, and the connecting box is provided with a granule connecting preventing mechanism. A cutting motor is fixedly mounted on the right side of the rear end of the working box, and a rotating rod is fixedly mounted at an output shaft of the cutting motor. According to the plastic granulating device capable of preventing continuous granules, when plastic is cut off and falls into the connecting box, the rotating motor and the air cooler can be started, the air cooler conveys cold air into the cavity from the air conveying pipe and then conveys the cold air into the shell to be sprayed out of the ventilation holes, and plastic granules can fall on the shell; and the plastic particles are continuously separated to different shells under the rotation of the rotating motor, so that interval discharging is realized, the situation that the discharging speed is too high and the plastic particles are accumulated on the sieve plate to affect the screening effect is prevented, the plastic particles on the shells are blown by cold air, the viscosity is reduced, and the particles are prevented from being connected.

1. A method and apparatus for manufacturing a glass article, comprising: forming a glass article in a forming apparatus, the glass article including a first major surface and a second major surface parallel to the first major surface; and directing a flow of gas along at least one of the first major surface or the second major surface in an amount and for a time sufficient to reduce particle adhesion of the first major surface or the second major surface.

The utility model provides a swinging granulator capable of avoiding particle adhesion, which comprises a granulator body and a hopper, the hopper further comprises an anti-adhesion component, the anti-adhesion component comprises a material scraping part, an adjusting part and a driving part, the material scraping part is used for cleaning accumulated materials adhered to the bottom of the hopper, and the adjusting part is used for adjusting the material scraping part. The adjusting part is used for adjusting the using position of the scraping part, the driving part is used for providing power for movement of the scraping part, and the scraping part is driven to swing along the bottom of the hopper under the action of the driving part through cooperative use of the crushing barrel, the overturning part, the pushing part and the like and cooperative use of the scraping part, the adjusting part, the driving part and the like; and by arranging the driving part, the material scraping part swings efficiently and quickly, and after the material scraping part is separated from the hopper, the falling materials are scattered by the material scraping part, so that particles are effectively prevented from being bonded together.

A wet particle adhesion coagulation criterion model construction method based on critical coagulation velocity belongs to the technical field of particle processing. The purpose of the present application is to establish a wet particle adhesion coagulation criterion model construction method based on critical coagulation velocity which can evaluate the coagulation between particles and the coagulation between particles and wall simultaneously according to the mechanical characteristics of particle size. The present application constructs a wet particle-wet particle model, and then adopts wet particle-wet particle and wet particle-wall to carry out joint evaluation. The present application obtains an efficient model which can jointly evaluate wet particle-wet particle and wet particle-wall based on critical coagulation velocity. According to the method, the coagulation between particles can be directly and efficiently regulated according to the velocity of particles, the coagulation efficiency between particles and wall can be influenced by the initial velocity of wet particle group, and the coagulation between particles and wall can be efficiently judged.

The invention discloses a wet particle adhesion coalescence criterion model construction method based on a critical coalescence speed, and belongs to the technical field of particulate matter treatment. The invention aims to establish a wet particle adhesion coalescence criterion model construction method based on the critical coalescence speed, which can be used for simultaneously evaluating coalescence between particles and coalescence between particles and wall surfaces according to mechanical characteristics of particle sizes. According to the method, a wet particle-wet particle model is constructed, and then wet particle-wet particle and wet particle-wall surface combined evaluation is carried out. According to the method, an efficient model capable of jointly evaluating wet particles-wet particles and wet particles-wall surfaces is obtained on the basis of the critical coalescence speed, and coalescence between particles can be directly and efficiently regulated and controlled according to the speed of the particles on the basis of the method; and the coalescence efficiency between the particles and the wall surface can be influenced through the initial velocity of the wet particle swarms, and the particle-particle coalescence and particle-wall surface coalescence conditions can be efficiently judged.

The invention belongs to the technical field of fine particle adhesion control, and particularly discloses an LCEs-based reversible adhesion surface and a fine particle control method, the LCEs-based reversible adhesion surface comprises an electrothermal film and a solid adhesion layer arranged on the electrothermal film, the solid adhesion layer is constructed by adopting a thermotropic liquid crystal elastic polymer LCEs, and the solid adhesion layer is formed by adopting the thermotropic liquid crystal elastic polymer LCEs. Cylindrical microstructures arranged in an array are arranged on the surface of the solid adhesion layer, and each cylindrical microstructure comprises a vertical intermediate of a first microstructure and a bent intermediate of a second microstructure, which can be mutually converted. By the adoption of the reversible adhesion surface based on the LCEs and the fine particle control method, effective desorption of fine particles deeply embedded into micro-structure gaps is achieved, the particle size range of reversible adhesion control over the fine particles is widened, and the fine particle deadhesion efficiency is improved.

This invention provides a contact interface consistency control device and method for dynamic true triaxial electromagnetic Hopkinson bar tests. The control device integrates low-temperature controlled heating, step-continuous rotary scouring, active-passive composite eddy current interface treatment, ultrasonic ablation, particle separation and recovery, and rapid drying functions, constructing a three-level control mechanism for restoring the gasket interface state. By implementing controlled softening, directional scouring, and rotary ablation synergistically at the gasket contact interface, efficient removal of the Vaseline-rock debris composite adhesion layer is achieved. Furthermore, the uniformity of tangential scouring is enhanced through gasket attitude adjustment and a flow-guiding structure, suppressing secondary particle adhesion. This method enables repeatable and quantifiable restoration of the gasket contact interface without damaging gasket performance, providing a reliable guarantee for loading consistency and testing accuracy in true triaxial electromagnetic Hopkinson bar dynamic tests.

An atomizing apparatus for film formation enabling high-quality thin film formation with suppressed particle adhesion, including: a raw-material container accommodating a raw-material solution; a cylindrical member connecting inside the raw-material container to an outer unit, and disposed so a lower end of the cylindrical member does not touch a liquid surface of the raw-material solution in the container; an ultrasound generator having at least one source emitting ultrasound; and a liquid tank where the ultrasound propagates the raw-material solution through a middle solution. The generation source is outside the liquid tank and has a center between a plane extending from an inner side wall of the raw-material container and a plane extending from an outer side wall of the cylindrical member. A center line of an ultrasound-emitting surface of the ultrasound generation source is designated as u, wherein the center line u does not intersect the cylindrical member side wall.

The invention discloses an experimental device for measuring the adhesive force of particles and a method for measuring the adhesive force of the particles. The experimental device comprises an experimental box, a test assembly, an impact platform and a camera, the experiment box is suitable for simulating various experiment environments; the test assembly is arranged in the experiment box; a deposition wall surface suitable for particulate matter deposition is formed on one side of the test assembly; the impact platform is arranged in the experiment box; wherein the test assembly and at least part of the impact platform are arranged oppositely in the vertical direction, and the test assembly is suitable for impacting the impact platform in the vertical direction; when the test assembly collides with the collision platform, the particulate matter deposited on the deposition wall surface is partially separated; the camera is suitable for capturing the action process of the test assembly impacting the impact platform. According to the invention, the adhesion force of particles under different conditions can be indirectly measured based on the separation effect of inertia force during particle impact; the defects of an existing adhesive force measuring scheme can be overcome, and an effective way for researching the adhesive force of the particles under the complex environment condition is provided.

The application discloses a kind of complex stratum dual-mode shield construction rock debris particle size distribution evaluation method and system, comprising: obtaining rock debris image and pretreatment denoising, obtain the first image;Utilize deep learning algorithm to identify rock debris edge, separate overlapping rock debris, obtain the second image;Through morphological parameter analysis rock debris shape, carry out three-dimensional reconstruction correction to non-spherical particle, obtain the third image;In combination with laser particle size analysis data, data fusion is carried out to the third image, and preliminary particle size distribution is obtained;For fine particle adhesion phenomenon, adopt detection algorithm to correct particle size distribution;According to the change of crushing mechanism when shield mode switches, dynamically update particle size distribution;Through mutation detection algorithm analysis non-linear mutation in complex stratum, carry out data smoothing processing;Finally, error accumulation model is used to analyze error, if exceed threshold value, then reprocess, until error meets requirements.The application significantly improves the accuracy and reliability of rock debris particle size distribution evaluation.

A coating material has fibers 31, particles 32, a resin, and a solvent. Each fiber 31 has protrusions 312 on the peripheral edge and recesses 311 recessed more toward the axial center than the protrusions 312. The particles 32 adhere to each fiber 31, and the number of particles 32 adhering to the recesses 311 is greater than the number of particles 32 adhering to the protrusions 312.

The invention provides an abrasion test device for a high-dispersion silicon dioxide rubber conveying belt, and belongs to the technical field of conveying belt abrasion tests, the abrasion test device comprises a Taber abrasion tester, the Taber abrasion tester is provided with a clamping and fastening assembly, and the Taber abrasion tester is provided with a clamping and fastening assembly. A rotating friction assembly and a particle adhesion prevention assembly are arranged on the outer side, close to the clamping and fastening assembly, of the Taber abrasion testing machine; wherein the rotating friction assembly comprises a fixed block I and a fixed block II which are arranged at the top of the Taber abrasion tester and close to one side wall, and a rotating arm is rotatably connected between the fixed block I and the fixed block II; through mutual cooperation of the particle adhesion prevention assembly and the synchronous lifting linkage assembly, a pressing roller can press a rubber belt to make contact with the abrasion test position of a grinding wheel and a rubber conveying belt sample, and falling rubber particles and sand particles are adsorbed through the rubber belt; and subsequent adhesion caused by the fact that rubber particles and sand particles are adsorbed on a rubber conveying belt sample is avoided.

The invention discloses a preparation process of a feed additive with an anti-coagulation effect, and relates to the technical field of additive preparation. Comprising the following steps: adding modified calcium silicate, modified calcium stearate, anhydrous magnesium sulfate, sodium sulfate, dechlorinated sodium sulfate, zeolite powder, an auxiliary material, a functional material, a licorice extract, stevioside and corn starch into a mixing machine, stirring, and screening by using a vibrating screen to obtain the feed additive with an anti-coagulation effect. The modified calcium silicate is added, and the double functions of lubrication and molecular-level dispersion are achieved through surface grafting modification; the anti-adhesion agent has excellent anti-adhesion performance, so that the contact adhesion among feed particles is reduced; the grafted polymer chain segment utilizes the steric hindrance effect to prevent particle aggregation and improve the dispersion uniformity in the feed, and has a synergistic effect with the modified calcium silicate, so that the problem of particle adhesion is solved, uniform distribution of anti-caking components in the feed is guaranteed, and the overall anti-caking stability is improved.