59 results about "Particle Size Analyzer" patented technology

The utility model relates to the technical field of coating tests, and discloses a low-light particle size analyzer for a powder coating test, which comprises an analyzer body, the outer side of the analyzer body is fixedly connected with a frame body, a base is fixedly mounted in the frame body, the top of the base is fixedly connected with a uniform mixing barrel, and the uniform mixing barrel is fixedly connected with the bottom of the analyzer body. A vibration machine is fixedly installed in the base, a vibration excitation mechanism is fixedly installed on the outer side of the vibration machine, a vibration excitation rod is fixedly installed in the vibration excitation mechanism, a vibration excitation ball head is fixedly installed at the top end of the vibration excitation rod, an isolation layer is fixedly connected to the interior of the uniform mixing barrel, and a first pump body is fixedly installed on the inner wall of the uniform mixing barrel. The powder coating mixing device has the following advantages and effects that the powder coating at the top of the isolating layer and a lubricant can be fused and uniformly mixed, and the powder coating and the lubricant are uniformly mixed through excitation in the process, so that the damage to the essence of the powder coating is reduced, and the experiment quality is improved.

This invention belongs to the field of granulation, specifically disclosing an automated water suspension granulation control method based on online particle size monitoring, comprising: Step 1, during the granulation process, using an online particle size analyzer to monitor the particle size in real time and plotting a real-time particle size growth curve over time; Step 2, based on the morphological characteristics such as the slope change points of the real-time particle size growth curve, automatically dividing the granulation process into three characteristic stages; Step 3, for each stage divided in Step 2, establishing a quantitative model between particle size growth and key process parameters; Step 4, based on the model's predictive and feedback control, executing closed-loop control in a new granulation batch. This invention also discloses an automated water suspension granulation control system. This method and system, through real-time feedback and dynamic adjustment, ensure that the granulation process of each batch follows the optimal growth trajectory, significantly reducing product quality differences between batches.

The application discloses a kind of based on particle size analysis calculation ore intelligent sorting system processing capacity method. Through the statistics of the number of ore particles when the maximum processing capacity of intelligent sorting machine, the quantitative particle size-processing capacity relationship model is constructed, and the processing capacity when the same equipment processes different particle size ores is calculated. The application establishes the quantitative relationship model of ore particle size and intelligent sorting machine processing capacity, breaks through the limitation of traditional empirical formula sorting, realizes the accurate prediction and optimization of processing capacity. The method takes the number of particles as the core control parameter, converts the equipment processing capacity from the quality dimension to the quantity dimension, effectively eliminates the processing capacity fluctuation caused by the density difference of different particle size ores, and provides a scientific basis for the process parameter optimization of intelligent sorting machine.

The present invention accurately estimates the lifetime of a support component by even considering the shape of foreign matter generated inside the support component, such as a rolling bearing for supporting a rotating body.　This lifetime estimation system, which estimates the lifetime of a component supporting a rotating body, executes: a particle size analysis step for analyzing a particle size distribution of foreign matter mixed in a lubricant supplied to the component; a shape analysis step for analyzing a shape composition ratio of the foreign matter mixed in the lubricant; a calculation step for determining the degree of contamination of the lubricant on the basis of the particle size distribution, and calculating a correction lifetime coefficient used for estimating the lifetime of the component on the basis of the degree of contamination; a calculation step for calculating a correction coefficient for correcting the correction lifetime coefficient on the basis of the shape composition ratio; and a correction step for synthesizing the correction coefficient with the correction lifetime coefficient to correct the correction lifetime coefficient.

The application relates to a high-strength diamond particle grading method and a grading system, and the grading method comprises the following steps: stress pre-weakening treatment is carried out on high-strength diamond particle raw materials; the treated diamond particles are sent into a multi-outlet grading airflow crusher for mutual collision and crushing, and initial particle size grading is carried out; online laser particle size analyzers are arranged at the outlets of the airflow crusher, and crushing parameters are adjusted according to particle size detection results; coarse particles that do not meet the standards are returned for circulation crushing; and products meeting the particle size requirements are collected from each discharge port. Through stress pre-weakening treatment, controllable micro-cracks or stress concentration zones are pre-set in the high-strength diamond, and the energy threshold required for crushing is greatly reduced. The application realizes real-time linkage of crushing and grading, establishes an integrated closed-loop system of crushing-grading-feedback-re-crushing, and realizes intelligent control of qualified products and coarse products. The application solves the problem that real-time closed-loop control of 'crushing-grading' cannot be realized for high-strength diamond.

This invention relates to the field of black carbon aging research technology, and more particularly to an experimental apparatus for black carbon aging research, comprising: a sample introduction system, including a heating tube, a pretreatment tube, an oxidizing gas removal tube, and a drying tube connected in series; a black carbon coating device, including an injection assembly, a coating chamber, a first absorption chamber, a heating removal assembly, and a second absorption chamber connected in sequence; a detection system, connected to the first absorption chamber, the heating removal assembly, and the second absorption chamber; an integrated device, including a mounting box and an aerosol charging device, a first differential migration particle size analyzer, a second differential migration particle size analyzer, and a condensed particulate matter counter disposed within the mounting box; and a control system, disposed within the mounting box, for regulating the sample introduction system, the black carbon coating device, the detection system, and the integrated device. This invention improves the convenience of black carbon research.

A positive electrode includes a positive electrode active material that includes a lithium nickel-based composite oxide and is in a form of a single particle. A ratio of a volume cumulative average particle diameter (D50) of the positive electrode active material measured using a particle size analyzer to a grain size of the positive electrode active material measured using backscatter electron diffraction after ion milling of the positive electrode is about 1.6 to about 1.8.

The utility model discloses a laser particle size analyzer belongs to particle size measuring equipment technical field, including analysis platform, fixedly installed the analyzer body on the top of analysis platform, fixedly installed the circulating inlet on one side of analyzer body, fixedly installed the circulating outlet on one side of analyzer body, with the circulating inlet intercommunication circulating inlet pipe, with the circulating outlet intercommunication circulating outlet pipe and fixedly installed the circulating cleaning assembly on the top of analysis platform, circulating cleaning assembly includes fixedly installed the cleaning water tank on the top of analysis platform. The laser particle size analyzer, through circulating inlet pipe and circulating outlet pipe will be connected with the cleaning water tank of analyzer body, through the circulating pump in the analyzer body, the clean water in the cleaning water tank is sucked into the detection pipeline, and the detection pipeline is washed, and then the water of cleaning is filtered through the filter element in the cleaning backflow assembly and flows back to the cleaning water tank, and the cleanness of water in the cleaning water tank is kept.

The application discloses the technical fields of solid waste utilization, and relates to a carbon emission calculation device and method for preparing ceramsite from multi-element solid waste through mechanical activation, which comprises the following modules: a feeding end detection module, which is arranged on a multi-element solid waste conveying belt at the feeding end of a mechanical activation equipment, and comprises an industrial camera, a laser particle size analyzer and an XRF analyzer, and is used for on-line detection of raw material characteristic parameters, wherein the raw material characteristic parameters at least include impurity data, particle size distribution data and component data; a discharging end detection module, which is arranged on a multi-element solid waste conveying belt at the discharging end of the mechanical activation equipment, and comprises a laser particle size analyzer, and is used for detection of particle size distribution data of the activated material; and a central processing module, which is in communication connection with the feeding end detection module and the discharging end detection module, and is internally provided with a carbon emission prediction model and an optimization decision unit. The device can realize accurate prediction of carbon emission, significantly improve the accuracy and reliability of carbon emission data, and significantly improve the carbon emission compliance rate.

This invention discloses a method and system for measuring and calibrating the concentration of an oil mist nano-dispersion, belonging to the field of mechanical testing technology. The invention prepares a nanobubble solution using a porous membrane tube permeation method, employing a ceramic porous membrane tube in conjunction with a pressure tank to control the nanobubble particle size and concentration. A Malvern particle size analyzer is used to measure the solution concentration, which is then adjusted to the desired concentration through proportional dilution. The nanobubble solution is considered equivalent to an oil mist dispersion, and an optical measurement device is built based on the extinction method. A 900nm laser is used to irradiate the solution in a high-transmittance container, and the transmitted light attenuation intensity is measured using an optical power meter. The solvent used is carbon tetrachloride, chloroform, or dichloromethane, and the nanobubble gas is carbon dioxide, water vapor, or methane. The concentration is calculated based on Lambert-Beer's law. This method achieves stable control of oil mist concentration, avoids sampling errors, and improves the calibration accuracy and reliability of the oil mist detector.

This invention discloses an integrated device for selective laser melting (SLM) recovery powder sieving, packaging, and testing, and its operating method. The device includes a cabinet, a powder sieving mechanism, a sampling and diversion structure, a bag feeding mechanism, a bag-supporting, sealing, and vacuuming mechanism, a bag-supporting and weighing mechanism, and a control unit. The powder sieving mechanism is located at the top of the cabinet, and the sampling and diversion structure is downstream of the powder sieving mechanism. The bag feeding mechanism, bag-supporting, sealing, and vacuuming mechanism, and bag-supporting and weighing mechanism are sequentially arranged from top to bottom along the main powder discharge path to complete the bagging, sealing, vacuuming, and weighing of the recovered powder. The sampling and diversion structure is connected to the main powder discharge path to intermittently obtain a portion of the recovered powder from the main powder discharge path. The cabinet is equipped with a particle size analyzer and a LIBS analyzer. The control unit is electrically connected to each mechanism. This integrated device is rationally designed and facilitates the sieving, bag feeding, bag-supporting and powder collection, vacuum sealing, weighing output, and packaging removal of the recovered powder with reduced manual intervention.

This invention discloses an atomization control method and atomization device. The method separates the atomization target and the impact gas. A gas column with an outer low-pressure influence zone, generated by a gas nozzle, invades a liquid column generated by a liquid nozzle from the side. Through the strong shearing force of the gas column and the entrainment force of the low-pressure influence zone, the surface liquid of the liquid column is controllably stripped to form an initial atomized airflow. The particle size distribution span of the initial atomized airflow is detected in real time using a spray laser particle size analyzer, and the spatial attitude and / or spatial position of the gas nozzle are adjusted accordingly until the particle size distribution span meets the target value. This invention achieves formal decoupling of driving air pressure, atomized particle size, and atomized airflow generation position within the same atomization device, enabling precise and controllable droplet size distribution and uniform particle size. Furthermore, it can obtain finer droplets at relatively low driving air pressures, effectively expanding the application range of atomization devices.

The utility model discloses a laser particle size instrument for medicine particle size detection. Its technical scheme main points are: including instrument main part and test platform, the surface of test platform is provided with the feed inlet, the below of feed inlet is provided with the hopper, the concentrated falling groove, the sample cup and the laser particle size detection subassembly of setting in sample cup one side in proper order, at least is provided with one static electricity elimination subassembly in concentrated falling groove, and static electricity elimination subassembly includes the casing that is connected with the top wall of concentrated falling groove through the connecting column, the inside of casing is provided with the negative ion generator, and the negative ion generator is fixedly connected with casing through the support, and the bottom of negative ion generator is provided with the emission end, and the bottom of casing is provided with the emission mouth, and the top of static electricity elimination subassembly is provided with the air supply component in coordination. The utility model discloses through the air supply component air supply cooperation static electricity elimination subassembly to keep the environment stable in concentrated falling groove, avoids the internal medicine granule mutual rubbing and produces the agglomeration phenomenon, thereby reaches the effect of accurate detection.

This invention proposes a particle detection device for backwash water in water plant filters, relating to the field of water particle size detection technology. It includes a particle size analyzer body and a transparent detection tube. Two connecting pipes are installed on the particle size analyzer body, and both ends of the transparent detection tube are connected to the two connecting pipes respectively. Two sealing installation mechanisms are provided on the transparent detection tube to fix and seal both ends of the transparent detection tube to the two connecting pipes respectively. This invention provides a particle detection device for backwash water in water plant filters. Through the particle size analyzer body, transparent detection tube, connecting pipes, sealing installation mechanisms, detection module, and cleaning mechanism, it can automatically and periodically clean the inner wall of the detection section of the transparent detection tube, ensuring the accuracy of water particle size detection results. Furthermore, the cleaning mechanism can perform self-cleaning, ensuring multiple cleanings of the inner wall of the detection section, guaranteeing the cleaning effect each time, and reducing the need for disassembly and cleaning.

There are provided a silver powder, which is able to form an electrically conductive film having a lower resistance value than that of conventional electrically conductive films when the silver powder is used as the material of an electrically conductive paste which is fired to form the electrically conductive film, and a method for producing the same. A first silver powder having one peak or more, at each of which a frequency is a local maximum value in a volume-based particle size distribution obtained by measuring the first silver powder in a dry process by means of a laser diffraction particle size analyzer, is mixed with a second silver powder having two peaks or more, at each of which a frequency is a local maximum value in a volume-based particle size distribution obtained by measuring the second silver powder in a dry process by means of a laser diffraction particle size analyzer, to produce a silver powder having three peaks or more, at each of which a frequency is a local maximum value in a volume-based particle size distribution obtained by measuring the silver powder in a dry process by means of a laser diffraction particle size analyzer, the silver powder having one peak, at which a frequency is a local maximum value in a volume-based particle size distribution obtained by measuring the silver powder in a wet process by means of a laser diffraction scattering particle size analyzer.

This invention provides a modular aerosol impactor cut particle size calibration system based on the isokinetic sampling principle, belonging to the field of aerosol measurement technology. It includes a downstream isokinetic sampling module, a mass flow control module, an upstream control sampling module, and an aerosol mixing module. The aerosol mixing module is connected to both the upstream control sampling module and the downstream isokinetic sampling module. Both modules are connected to a particle size analyzer probe. The downstream isokinetic sampling module is connected to the mass flow control module and includes a cut particle size calibration device. The sample obtained by the measuring instrument of this invention can accurately represent the upstream inlet concentration of the impactor to be calibrated. The downstream isokinetic sampling module enables isokinetic sampling under varying conditions, effectively avoiding diffusion losses caused by eddies, reducing particle bounce caused by wall thickness, and improving the calibration accuracy of the impactor cut particle size.

This invention discloses a liquid optical particle size analyzer for new chemical materials with a rapid cleaning flow channel structure, relating to the technical field of flow channel cleaning for optical particle size analyzers. It includes a detector body with two drain pipes installed inside, connected by a connecting pipe. Both ends of the connecting pipe are connected to inlet pipes, and a circular hole is formed between the inlet pipe and the connecting pipe. A cleaning component is slidably connected within the circular hole, and a drain component is slidably connected within the connecting pipe, contacting the cleaning component. A drain hole is formed at the center of the annular surface of the connecting pipe, communicating with the drain component. When cleaning agent is introduced into the connecting pipe through the inlet pipe, a rotating structure drives a moving pipe to rotate. Simultaneously, the cleaning agent pushes a wiping structure out of the moving pipe, causing the wiping structure to perform rectangular rotational wiping within the connecting pipe. The two ends of the connecting pipe alternately receive the liquid to be tested and the cleaning agent, saving cleaning time after use and thus improving the rapid cleaning of the connecting pipe.

This invention discloses a liquid optical particle size analyzer for new chemical materials with an adjustable optical path assembly, relating to the field of liquid particle detection technology. It includes a housing and an optical path adjustment assembly. A base is fixedly installed at the bottom of the housing, and a pulsed laser is fixedly installed on one side of the base. The optical path adjustment assembly is located on the other side of the base and includes a gantry frame fixedly installed on the side of the base. This liquid optical particle size analyzer for new chemical materials with an adjustable optical path assembly achieves scanning of the pulsed laser spot in a two-dimensional plane by changing the deflection angle of the galvanometer. The focusing position of the spot is changed by switching the working position of the field lens. The cleaning mode can be seamlessly switched between detection modes. The thermal stress generated by laser irradiation achieves rapid and non-destructive cleaning of the optical window surface of the sample flow cell, resulting in both good cleaning effect and fast cleaning speed.

A system for micronization of solid particles using valvular conduit includes one or more compressed gas lines provided with respective compressed gas inlet, one or more powder feeders, each of which are installed in a respective compressed gas lines. Furthermore, one or more valvular conduit modules are included, each of which are made of a series of valves connected via a common passage, and each valvular conduit module is connected downstream of the respective one or more powder feeders. Further, a cyclonic separator is connected with all the respective compressed gas lines connected with respective outlets of the respective one or more valvular conduit modules, and one or more particle size analysers in combination with one or more directional valves disposed on the compressed gas lines proximal to the outlets of the one or more valvular conduit modules.

The present application relates to a kind of feed additive component detection device and detection method;The feed additive component detection device includes the following equipment optimized by parameter: muffle furnace, microwave digestion instrument, high-speed centrifuge, ultrasonic extraction instrument, electronic balance, with online enrichment liquid chromatograph, liquid chromatography-tandem mass spectrometer, atomic absorption spectrometer, near infrared spectrometer, laser particle size analyzer, inductively coupled plasma mass spectrometer, microbiological incubator, colony counter, portable near infrared spectrometer, portable liquid chromatograph, portable enzyme label instrument, sample pretreatment is carried out by above-mentioned equipment, multiple components are synchronously detected, detection precision control, trace component detection, new additive detection and on-site rapid detection, compared with prior art, the present application is accurate and efficient, can multiple components be synchronously detected, while detection precision is significantly improved, can be suitable for new additive high-precision detection.

The application discloses a three-dimensional particle granularity analysis method, system and device based on unmanned aerial vehicle image and multi-view identification and a storage medium, and belongs to the technical field of geological disaster investigation and geotechnical engineering. The method comprises the following steps: obtaining image data of a target accumulation area; generating a three-dimensional analysis frame; automatically cutting out corresponding two-dimensional image segments on effective view angle images; accurately identifying the boundaries of particles on each two-dimensional image segment to obtain target particles; reversely projecting the boundaries of the particles on all two-dimensional image segments back to a three-dimensional space to reconstruct three-dimensional geometric feature data of the target particles; and obtaining a three-dimensional particle group. Through the "two-dimensional segmentation + three-dimensional reverse projection" strategy, the fine contours of the particles segmented on the multi-view two-dimensional images are intersected in the three-dimensional space, the "fine three-dimensional entity" is successfully reconstructed from the "sparse data source", and the unclear tiny boundaries in the point cloud can be easily identified.

This invention discloses a multi-method measurement and calibration test method for lubricating oil mist concentration in mechanical power devices, belonging to the field of mechanical testing technology. It primarily addresses the problems of large sampling errors, insufficient simulation realism, and limited verification methods in existing oil mist concentration measurement methods. This invention generates a uniform oil mist dispersion system through an oil mist generation and acquisition module, achieves equivalent testing by combining it with a nanobubble solution preparation module, uses the extinction method for visual measurement, and integrates filter paper sampling and Malvern particle size analyzer data for multi-method verification and calibration. This method can accurately measure oil mist concentration, providing reliable data support for the development and calibration of oil mist detectors.

1. Name of the product in this design: Laser Particle Size Analyzer (1). 2. Purpose of this design: For analyzing high-precision particles. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The design for which protection is sought includes color.

The purpose of the present invention is to provide surface-modified copper nanoparticles which have high dispersibility and which have a reduced residual carbon concentration after being fired and a method which is for producing the surface-modified copper nanoparticles. Provided are surface-modified copper nanoparticles in which the surfaces of copper nanoparticles are modified with a silane coupling agent, wherein: each copper nanoparticle has, on at least a part of the surface thereof, a coating that contains a copper oxide; the number of surface groups that are on the surface of each surface-modified copper nanoparticle and that are derived from the silane coupling agent is more than 0.3 but less than 2.0 per square nanometer of the surface area of the surface-modified copper nanoparticle; and an average median diameter is not more than 0.2 μm as measured using a particle size distribution analyzer after the surface-modified copper nanoparticles are dispersed in ethanol.<sp / >

This invention relates to the field of wet synthesis technology of lithium cobalt oxide precursors, specifically to an automatic control system for synthesizing large-particle-size cobalt carbonate. This system addresses the problems of high labor intensity for operators, delayed pH / ammonia concentration detection, and large particle size detection errors in the current synthesis of large-particle-size cobalt carbonate, ultimately reducing the overall efficiency of the synthesis. The system consists of a reaction vessel, a pH / ammonia concentration composite probe, a particle size analyzer, a mold temperature controller, a batch valve assembly, and a DCS control station. It achieves closed-loop particle size control, automatic batch separation, and batch management through a multi-parameter coupling model of particle size, expansion rate, and time, and a batch separation model. The DCS system monitors and automatically adjusts parameters such as temperature, pH / ammonia concentration, solid content, and particle size in real time, eliminating the need for manual intervention throughout the process. This significantly improves the batch consistency of large-particle-size cobalt carbonate, ensures controllable particle size, greatly reduces the labor intensity of operators, and guarantees the unmanned and digitalized production requirements for cobalt carbonate synthesis.

This invention discloses a low-damage pneumatically assisted centrifugal atomizing nozzle and atomization method for liquid pollination. It belongs to the technical field of agricultural pollination equipment. The invention innovatively integrates a pneumatic atomization module, a centrifugal atomization module, and a pneumatic liquid supply system. On the one hand, the pneumatic transport method avoids the squeezing damage to pollen caused by the pulsating high pressure during liquid pump operation; on the other hand, the dual action of high-speed airflow and centrifugal force promotes early breakage of the liquid film, obtaining optimal pollination droplets. A laser particle size analyzer is added to monitor the droplet size distribution in real time and feed the results back to the controller, forming a closed-loop control: if the droplet size does not meet the standard, the controller only adjusts the centrifugal nozzle speed to optimize the particle size, ensuring precise and controllable droplet distribution with low damage. This invention effectively overcomes the technical difficulties of low pollen activity and uneven droplet distribution during liquid pollination of cross-pollinated plants, effectively avoiding mechanical stress damage to pollen caused by atomization and improving the efficiency of liquid pollination operations.

The present application relates to the technical field of black carbon aging research, and particularly relates to an experimental device for black carbon aging research, which comprises: a sample feeding system, the sample feeding system comprising a heating pipe, a pretreatment pipe, an oxidizing gas removal pipe and a drying pipe connected in series; a black carbon wrapping device, the black carbon wrapping device comprising an injection assembly, a wrapping chamber, a first absorption chamber, a heating removal assembly and a second absorption chamber connected in sequence; a detection system, the detection system being connected to the first absorption chamber, the heating removal assembly and the second absorption chamber; an integrated device, the integrated device comprising a mounting box and an aerosol charging device, a first differential migration particle size analyzer, a second differential migration particle size analyzer and a condensed particle counter arranged in the mounting box; and a control system, the control system being arranged in the mounting box and used to regulate and control the sample feeding system, the black carbon wrapping device, the detection system and the integrated device. The present application improves the convenience of black carbon research.

1. The name of the design product: formed component analyzer. 2. The use of the design product: the design product is used for sample microscopic imaging, and the formed component in the sample is analyzed according to the pictures obtained by microscopic imaging. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. The bottom surface of the design product is not easily visible or not visible during use, and the design top view is omitted. 6. Design 1 is designated as the basic design. 7. Other circumstances that need to be explained Other explanations: the product English name is marked in each reference drawing.