249results about "Particle suspension analysis" patented technology

This application discloses an electrical cabinet and an energy storage system, relating to the field of power equipment technology. The electrical cabinet includes a cabinet, electrical modules, and a first fire-fighting device. The cabinet has a first chamber and a second chamber, separated by a first partition, which is a fire-resistant partition. The electrical modules are housed in the first chamber, and the first fire-fighting device is housed in the second chamber. The first fire-fighting device has at least one outlet for releasing fire extinguishing material to the outside of the cabinet. According to this application, by using the first partition to separate the first and second chambers, the safety performance of the electrical cabinet is improved, ensuring that a fire in the electrical modules will not affect the first fire-fighting device, allowing the first fire-fighting device to function normally, thus reducing losses caused by fires in the electrical modules.

The application discloses a kind of manual stirrers, it is related to stirring technical field, including stirrer frame, stirrer frame is used to install at the top of stirring barrel, adjustable stirring assembly is provided on stirrer frame, adjustable stirring assembly includes bearing sleeve and stirring shaft, bearing sleeve is rotatably installed on stirrer frame, stirring shaft is slidably arranged on bearing sleeve, adjustable blade assembly is provided on stirring shaft, adjustable blade assembly includes blade lifting slide block, drive block, blade and connecting rod, the bottom of stirring shaft is fixed with drive block, blade lifting slide block is slidably arranged on stirring shaft, blade lifting slide block moves along the axial direction of stirring shaft, a plurality of blades are arranged along the circumferential direction of stirring shaft, one end of blade is hinged on drive block, the other end is hinged with connecting rod, the end of connecting rod away from blade is hinged on blade lifting slide block, the cross section of blade is oval, the sufficient mixing of silt is realized, the silt content of solution can be accurately detected, to accurately reflect the silt content of drilling area.

A method for preventing the burning of a slag-probing rod used in high-temperature metallurgical smelting equipment and the slag-probing rod, in which a high-temperature-resistant isolation layer is compounded on the surface of the base material of the slag-probing rod, and a material-modified layer is further coated on the surface of the high-temperature-resistant isolation layer to further enhance the heat-insulating effect of the isolation layer and prevent the burning of the slag-probing rod in the high-temperature metallurgical smelting liquid; the high-temperature-resistant isolation layer is a ceramic-based heat-insulating material layer, and a modified layer composed of rare earth material is coated on the outer surface of the ceramic-based heat-insulating material layer, the material properties of the outer surface of the ceramic-based heat-insulating material layer are modified by the rare earth material, a high-temperature-resistant isolation layer with better heat-insulating effect is formed, and when the slag-probing rod is inserted into the smelting metal liquid in the high-temperature metallurgical smelting equipment, the high-temperature-resistant isolation layer protects the base rod of the slag-probing rod from high temperature. The present application forms a heat-insulating isolation layer on the outer surface of the ceramic-based heat-insulating material layer by modifying with rare earth material, which can effectively reduce the temperature of the middle part of the slag-probing rod and prevent the burning of the slag-probing rod.

The application discloses an online enrichment detection system for particles and dissolved pollutants in water, which comprises a fly ash enrichment cavity, an interior of which is used for containing water, and a fly ash enrichment area between a liquid surface of the water and a top surface of the fly ash enrichment cavity; a bubble generating device arranged in the water in the fly ash enrichment cavity and used for generating bubbles for enriching particles and dissolved pollutants in the water; a gas sweeping device used for sweeping pure gas into the fly ash enrichment area and carrying away fly ash generated by the breaking of the bubbles; and a fly ash aerosol detection device used for detecting the concentration or particle size distribution of the particles in the fly ash and qualitatively and quantitatively analyzing the dissolved pollutants. The system can reliably detect low-concentration particles with a particle size of 6 nm or below in the water online, and qualitatively and quantitatively analyze the dissolved pollutants, so as to provide more accurate real-time water data for advanced chip manufacturing processes, environmental water detection, drinking water detection and industrial wastewater detection. The application further discloses an online detection method for particles and dissolved pollutants in water.

The application discloses a dust migration characteristic simulation and dust fall effect evaluation experiment platform and method, and the platform at least comprises an intelligent wet dust removal module, an intelligent control system and a dust particle measuring system; the intelligent wet dust removal module comprises an intelligent rotating spray head and a movable slide rail; the intelligent control system controls the movable slide rail to move, so that the intelligent rotating spray head reaches a specified position to perform dust fall work; under the control of the intelligent control system, a visual detection device cooperates with the movable slide rail to capture and observe dust fall conditions in the vertical direction of any point in a three-dimensional space; an intelligent hair dryer is controlled by the intelligent control system to clean the visual detection device; and the dust particle measuring system comprises a sampling pump for collecting dust particles in air and a particle amplifier for observing the dust particles collected by the sampling pump; meanwhile, the movable slide rail can move the sampling pump and the particle amplifier, so that the technical problem of meeting the comprehensive experiment demand is solved.

Example implementations include a method, apparatus and computer-readable medium for smoke detection using a smoke detector / fire alarm system implemented as a beam receiver and beam transmitter. In some examples, the beam receiver is configured to receive a plurality of beam pairs including a first beam pair, wherein each beam pair is received via one of a plurality of receive elements, and wherein the first beam pair is received via a first receive element and comprises a first beam and a second beam. In some examples, the beam receiver is further configured to compare a first delta between the first beam intensity and the second beam intensity at the first time instance with a second delta between the first beam intensity and the second beam intensity at the second time instance to determine whether to perform an action.

This invention discloses a pretreatment verification device and method for silica etching solution filter cartridges, including a silica etching solution cleaning line and an ultrapure water cleaning line. This invention can precisely control the quality of filter cartridges before they are put into production. Through real-time online monitoring by a metal ion detector and a nanoparticle detector, the cleanliness of the filter cartridges to be verified can be comprehensively quantified, ensuring that the metal ion content and particle size distribution strictly meet the production line specifications before the filter cartridges are put into production. This avoids problems such as production line contamination and product defects caused by substandard filter cartridges from the source, ensuring stable production line operation and qualified product quality. Simultaneously, through the seamless switching design of the dual cleaning lines, silica etching solution cleaning and ultrapure water rinsing can be completed sequentially within the same device, eliminating the time loss associated with filter cartridge disassembly and transportation, secondary contamination, and waiting for external testing reports. This allows for rapid completion of filter cartridge pretreatment and verification.

This invention relates to the field of coal yard pollution monitoring technology and discloses a collaborative monitoring and intelligent control system for pollution inside and outside a coal yard, comprising: a monitoring module for setting several external monitoring areas of the coal yard and real-time first monitoring data; an association module for performing association analysis on each first monitoring data point of each external monitoring area of ​​the coal yard with several second monitoring data points inside the coal yard, and generating several data-association mapping tables based on the analysis results; a prediction module for determining the comprehensive influence coefficient of each second monitoring data point based on the data-association mapping tables, identifying several pollution sources, and constructing a pollution pattern prediction model based on the pollution sources and the corresponding data-association mapping tables; and a control module for determining predicted pollution parameters for future periods based on the pollution pattern prediction model and the several second monitoring data points, generating an optimal control strategy based on the predicted pollution parameters, thereby improving monitoring efficiency and control efficiency.

This invention discloses an integrated dust detection system and device, belonging to the field of dust detection technology. It includes a sampling module, a dust detection module, a data processing module, a communication module, and a display and alarm module. These modules are electrically connected and work together to complete the entire dust detection process. The sampling module collects dust-laden gas from the outside environment and incorporates a multi-stage pretreatment structure. This multi-stage pretreatment structure employs a composite design of "cyclone centrifugal pre-separation + fine filtration with filter cotton + deep drying with molecular sieves." A redundant design of dual detection units using laser scattering and beta rays is adopted, allowing the two units to work alternately and calibrate each other. The inner wall of the detection chamber is coated with an anti-reflective and anti-dust-adhesion composite coating and is equipped with a self-cleaning and automatic filter replacement structure, reducing optical path contamination and manual intervention for consumable replacement. Simultaneously, a temperature, humidity, and air pressure detection module is added, using a dual-parameter joint dynamic calibration algorithm to compensate and correct the detection results in real time, significantly reducing environmental interference, resulting in small detection errors and good consistency.

This invention relates to the field of gear performance testing technology, and more particularly to a gear performance testing system based on mixed metal powder pressing molding, comprising: a testing machine, which includes a rotating component and a support; a defect information acquisition module, including an eddy current probe for acquiring the induced electrical signal generated when the gear under test interacts with an alternating magnetic field and a purging component; a detection module for acquiring the vibration value of the eddy current probe and the dust concentration at a dust concentration sampling point below the eddy current probe; and a control module for determining the current rise slope of the alternating current based on the vibration difference, determining the vertical height of the support based on the overlap between the dust-containing area on the surface of the gear under test during the uniform rotation phase and the corresponding fixed area, and determining the purging duration of the purging component based on the decrease in dust concentration in the dust-containing area within a unit dust monitoring cycle. This invention improves the accuracy of gear performance testing.

The utility model discloses a safety alarm equipment that sandstone aggregate mine is used belongs to mine aggregate sandstone mining technical field, and it is designed to solve the prior art whether equipment is in the running work mode, all directly with the outside environment contact, on one hand, the complex environment of outdoor existence fly rock impact, mechanical collision risk etc, extremely easy to cause the sensing component of detection device head, optical lens etc. Key structure damage, influence instrument normal operation, on the other hand, the continuous exposure makes the monitoring instrument surface extremely easy to stick a large amount of dust, gravel etc. Particle pollutants generated in the mine, not only will block the sampling channel of detection device, also can form dirt layer on the surface of sensing probe, interfere with the normal play of light scattering, charge induction etc. Detection principle in the dust concentration detection process, thereby can cause certain influence to the detection result problem. Including the outer shell, the upper side of outer shell is equipped with mounting mechanism.

The application provides a kind of acoustic-optical fusion river sediment concentration particle size measuring device and method, belong to sediment monitoring technical field, including optical unit, acoustic unit, FPGA processing unit, display unit and power supply unit;Optical unit is arranged by photodiode of 90 ° and 135 ° and acquires double-angle optical scattering signal;Acoustic unit obtains ultrasonic signal by ultrasonic emission and receiving probe;FPGA processing unit carries out normalized difference processing to double-angle optical scattering signal and inverts sediment particle size, extracts attenuation characteristics to ultrasonic signal to invert acoustic concentration, and combines the optical concentration reference value of double-angle scattering light signal, according to weight function, acoustic concentration and optical concentration reference value are weighted fusion, obtain sediment concentration and particle size.The application solves the problem that the precision of sediment particle size measurement and the adaptability of complex water environment are insufficient due to the single sensor measurement being easily disturbed and the lack of effective fusion of acoustic-optical data in the prior art.

The application discloses a method for analyzing ferromagnetic abrasive particles by using a PQ instrument, a data processing system and a PQ instrument comprising the same. First, the PQ index of a sample to be measured in a uniform distribution state and a uniform deposition state is respectively tested by using the PQ instrument; then, a deposition-to-averaging ratio is calculated by using the PQ index; then, a calculation correlation coefficient of the PQ index and the ferromagnetic abrasive particle content of the sample is obtained by using the deposition-to-averaging ratio; finally, the ferromagnetic abrasive particle content of the sample is obtained by using a formula. The application can not only make up for the defect that the traditional detection method of the PQ instrument cannot detect the ferromagnetic abrasive particle content, but also can roughly judge the size range of the ferromagnetic abrasive particles in the sample, has higher ferromagnetic abrasive particle content detection precision, has good sensitivity for large-size abrasive particle detection, widens the use and research range of the PQ instrument, and makes the abrasive particle detection method in oil analysis more scientific and diversified.

This invention relates to the field of safety monitoring technology, and more particularly to an intelligent monitoring system for highway tunnel construction safety. The system includes a data acquisition module, a contour analysis module, a feature fusion module, and a data compensation module. By acquiring images of the tunnel surface, dust concentration within the tunnel, and water vapor humidity, the system divides the tunnel into several sub-image regions. The system determines the unevenness and texture complexity of each sub-image region, calculates region-sensitive feature values, and uses the tunnel dust concentration and water vapor humidity, combined with the region-sensitive feature values, to determine whether each sub-image region meets preset conditions. The system also calculates data missing characterization values ​​to determine the modeling anomaly tendency of each sub-image region. Based on the modeling anomaly tendency and the data missing characterization values, the system determines the data acquisition method for each sub-image region. This invention improves the accuracy and efficiency of model building through comprehensive analysis, data acquisition, and compensation of the tunnel environment, thereby ensuring construction safety.

The embodiment of the present disclosure provides a fuel processing device and a thermal power plant energy-saving system, the fuel processing device comprises a mounting frame, a processing box is embedded at the top of the mounting frame, a crushing assembly and a screening assembly are respectively arranged in the processing box, and a discharge port at the bottom of the processing box is communicated with a feeding mechanism; a drying mechanism is arranged on one side of the mounting frame, and the feeding mechanism is communicated with the drying mechanism. The crushing assembly, the screening assembly and the drying mechanism arranged by the fuel processing device can crush, screen and dry the coal of the thermal power plant, so that the quality of the coal of the thermal power plant is improved, the combustion of the coal is stabilized, the combustion efficiency of the coal is improved, the loss caused by incomplete combustion of the fuel is reduced, and the high combustion rate of the coal of the thermal power plant is ensured.

The application discloses a particulate matter sensor and an air treatment device. The particulate matter sensor comprises a shell, a gas flow passage for a to-be-detected gas containing particulate matter is formed in the shell; a gas flow generating piece is in communication with the gas flow passage, the gas flow generating piece can drive the to-be-detected gas to pass through the gas flow passage, and a preset wind speed V of the gas flow generating piece satisfies 0.5 m / s≤V≤3 m / s; and an optical detection assembly is arranged in the shell, the optical detection assembly is used for generating a detection light beam, the detection light beam forms a light detection area at an intersection with the gas flow passage, the light detection area has a preset area S, S satisfies 16 mm 2 ≤S≤100 mm 2 , and the optical detection assembly outputs an electrical signal about a particulate matter concentration value according to the detection light beam scattered by the particulate matter.

The utility model relates to the field of water quality on -line monitoring, concretely relates to an oilfield water quality multi -parameter on -line monitoring device. An oilfield water quality multi -parameter on -line monitoring device, including the flow through groove group that is connected in proper order through the flow through pipeline, the inlet pipeline of first flow through groove is connected with oilfield wastewater, the outlet pipeline of last flow through groove is connected with external outlet pipeline, any flow through groove and its corresponding inlet pipeline all are acute angle, and the monitoring probe is inserted along the extension direction of flow through groove, still include the monitoring device for receiving monitoring probe information. The utility model discloses flow through groove and its corresponding inlet pipeline all are acute angle, and the flow through groove of inclined arrangement can make the bubble in the water flow of water inlet along the inclined surface and quickly separate, thereby reduce the influence of bubble in the water flow of water inlet to the data accuracy of monitoring probe collection, and the monitoring probe and water inlet water flow are acute angle and can relieve the attachment of impurity, suspended matter and water oil and other pollutants in the water flow of water inlet on the monitoring probe, and further relieve the pollution to the monitoring probe.

This invention discloses an intelligent cleaning and disinfection system and control method for medical devices in a supply room, relating to the field of medical device disinfection technology. The system includes a central control module, a dual-modal sensing module, a sensor data acquisition module, a parameter control module, and a cleanliness detection module. This invention achieves accurate and automatic identification of medical device information and contamination information through the dual-modal sensing module, replacing manual sorting and solving the problems of low efficiency and error-proneness in manual sorting, thus improving the accuracy and efficiency of device identification. By combining reinforcement learning algorithms with real-time sensor data, the cleaning and disinfection parameters are dynamically adjusted to avoid damage to precision instruments and contaminant residue, extending the lifespan of the instruments. The cleanliness detection module and the central control module work together to form a closed-loop control, achieving real-time control of cleaning and disinfection quality and improving the pass rate of device cleaning and disinfection. Simultaneously, precise parameter control enables on-demand supply of consumables such as cleaning solutions and disinfection media.

The application discloses a mining data monitoring optimization method and device based on 5G communication, equipment and medium, applied to a data monitoring device, relates to the field of mining operation monitoring, and comprises the following steps: determining a dust concentration vector and original point cloud data based on dust data of a mining area; determining the number of information bits of a polar code and the number of iterations of a linear block code according to the dust concentration vector, so as to construct a target 5G channel according to the two parameters; obtaining dust particle size characteristics and a spatial distribution heat map from the original point cloud data, and determining enhanced point cloud data according to the two parameters; fusing the enhanced point cloud data, the dust concentration vector and mining equipment vibration data through a preset edge computing node, uploading a fused joint state matrix to the cloud through the target 5G channel for analysis, and optimizing the scanning frequency through the feedback control measures and the spatial distribution heat map. Therefore, the dust state and equipment data in the whole mining process can be accurately collected and transmitted.

An aerosol concentration sensor calibration device includes a mixing column, a sensor, and a collection vessel. The mixing column extends in a vertical orientation between an inlet at a bottom of the mixing column and an outlet at a top of the mixing column, the mixing column configured to receive a mixture of a powder and a compressed gas at the inlet. The sensor is disposed in the mixing column and configured to measure the concentration of the powder in the mixing column. The collection vessel has an inlet fluidly coupled to the outlet of the mixing column. The collection vessel is configured to collect the powder received from the mixing column.

Gravimetric particulate monitoring sensors provide direct mass measurement unlike optical sensors that estimate particle concentration indirectly. A micro-gravimetric sensor measures the actual mass of particulate matter without assumptions of the particulates being measured such as color, how they reflect light etc. The gravimetric approach offers consistent accuracy across different types of particulate matter where devices are taught exploiting inertial forces for particle deposition, heater integration within a MEMS resonator based mass sensor for thermophoretic particle removal, and an advanced measurement algorithm for enhanced measurement accuracy over a wide range of particle sizes and types.

This invention discloses an auxiliary detection system and method for fault location in hollow optical cables. By deploying moisture and dust detection devices in each splice box of the hollow optical cable and combining them with a splice box detection management platform, this invention achieves proactive monitoring and accurate fault diagnosis of environmentally sensitive factors in hollow optical cables. Specifically, addressing the pain point of hollow optical cables being highly sensitive to moisture and dust, and the difficulty of accurate fault location by traditional OTDRs, this invention utilizes real-time collected moisture and dust data, combined with signal reception power and historical detection data for comprehensive analysis. This effectively distinguishes abnormal environmental conditions within different splice boxes, thereby accurately identifying the specific location of the fault and solving the problem of traditional detection methods failing. Therefore, this invention provides an auxiliary judgment and location technology for faults in hollow optical cables caused by moisture and dust, improving maintenance efficiency and reducing hollow optical cable faults.

This utility model relates to the field of noise and dust detection technology, and discloses a noise and dust detection device, including a base. A fixed seat is fixedly connected to the front end of the base. A handwheel is rotatably connected to the inner wall of the fixed seat. A traction rope is wound around the outer wall of the handwheel. A hook is fixedly connected to the free end of the traction rope. A main rod is slidably connected to the inner wall of the base. Two fixed blocks are fixedly connected to the left end of the main rod. A fixed rod is fixedly connected to the inner wall of the fixed blocks. A detection component is provided at the top end of the main rod. A fixed ring is fixedly connected to the outer wall of the base. A support component is provided on the outer wall of the fixed ring. In this utility model, the traction rope can be extended by rotating the handwheel, controlling the main rod to slide down and retract into the base, and pushing the collar up, causing the support foot to retract into the sleeve, and the sleeve to be stored outside the base. This reduces the overall size of the device, facilitates the transport of the device, and improves measurement efficiency for different locations.

A dilution mechanism includes: a sample line that guides the sample containing the particles to the particle size distribution measurement device; a dilution line that merges with the sample line and through which a diluent flows; a concentration adjusting unit that adjusts the concentration of the particles contained in the diluted sample; a conductivity measuring unit that measures a conductivity of the diluted sample; a control unit that controls the concentration adjusting unit to bring the conductivity measured by the conductivity measuring unit or a conductivity-related value that is a value calculated from the conductivity, to a predetermined target value.

A traceable calibration device of particle number (PN) analyzers for vehicle emission includes a particle generation system, used for generating different types of aerosol samples; a solenoid valve system, used for controlling various aerosol samples to quantitatively enter the particle growth system; a particle growth system, used for performing charge classification to obtain doubly-charged-particle aerosol samples, triply-charged-particle aerosol samples and monodisperse aerosol samples, and obtaining grown particle samples by controlling the growth speed of the monodisperse aerosol samples through temperature adjustment; and a particle measurement system, used for measuring electrical current and PN concentration of the grown particle samples. In the present disclosure, the problem of low calibration accuracy of a PN analyzer for vehicle emission in the related art is solved.

The present application relates to the technical field of engine detection, and particularly relates to an engine lubricating oil abrasive particle online monitoring sensor, system and method, which comprises a shell and a capacitor plate assembled in the shell, the shell comprises a lubricating oil monitoring channel, a lubricating oil inlet and a lubricating oil outlet, the lubricating oil inlet extends to the inside of the lubricating oil monitoring channel to form a first isolation part near one end of the lubricating oil monitoring channel, and the first isolation part is sleeved on a support base and covers at least part of the exposed surface of the capacitor plate; thereby, through the first isolation part and a second isolation part, the non-parallel capacitor plate, the first arc-shaped capacitor plate and the second arc-shaped capacitor plate are completely isolated from the lubricating oil, effectively solving the problems of debonding and falling of the capacitor plate under the working condition of high-temperature and high-flow-rate lubricating oil, ensuring that the sensor can operate long-term and stably under the harsh working condition of lubricating oil temperature greater than 90 DEG C or lubricating oil flow rate greater than 3 m / s, and significantly improving the monitoring reliability and monitoring result accuracy of the sensor.