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1996results about "Flow properties" patented technology

Cow manure automatic scoring system and method based on multi-modal sensing

The invention relates to the technical field of livestock breeding, in particular to a cow manure automatic scoring system and method.The cow manure automatic scoring system comprises an image acquisition unit, a physical property sensor, a chemical component detection module and a data processing unit.The image acquisition unit is used for capturing the form, color and fiber residue of manure; the physical property sensor is used for measuring the water content of excrement and evaluating the viscosity and hardness of the excrement; the chemical component detection module comprises a near infrared spectrum analysis unit and an electrochemical sensor unit; and the data processing unit is used for integrating an AI algorithm, realizing multi-source data fusion and scoring, and uploading the data to the cloud management platform through the communication module. Therefore, the problems that in the prior art, manual scoring is subjective, low in efficiency and difficult to quantify, diseases are difficult to find early due to the lack of rapid component detection means, and accurate nutrition regulation and control are difficult to achieve due to the fact that scoring data are difficult to integrate into a breeding system are solved.
Owner:NINGXIA UNIVERSITY

Method and system for detecting adhesiveness of silicon steel and magnesium oxide

The invention relates to the technical field of multi-sensor fusion, in particular to a detection method and system for silicon steel magnesium oxide adhesiveness. Particulate matter matching analysis is carried out based on the corresponding magnesium oxide coating particle condition and the silicon steel surface condition; the particle bonding effect is evaluated based on the particle matching analysis result and the fluidity condition of the coating in the scene, and the magnesium oxide adhesion quality is predicted based on the evaluation result of the particle bonding effect and the shaking condition of the equipment in the coating process. The characteristics of the coating, the surface condition of the silicon steel, the coating environment, dynamic factors in the coating process and the like are comprehensively considered, the adhesiveness of magnesium oxide is evaluated and analyzed from multiple dimensions, and the multi-dimensional analysis method provides a more scientific and more accurate evaluation means for the silicon steel coating technology.
Owner:NANJING BAOCHUN NEW MATERIAL TECH CO LTD

Aluminum enameled flat wire online defect detection and self-adaptive deviation correction method and system

The invention provides an aluminum enameled flat wire online defect detection and self-adaptive deviation correction method and system, and relates to the technical field of enameled wire defect detection.The aluminum enameled flat wire online defect detection and self-adaptive deviation correction method comprises the steps that an aluminum enameled flat wire is immersed in fluid with set viscosity, and a reference fluid resistance signal and a reference electromagnetic signal are collected; fluid resistance signals and electromagnetic induction signals are detected in real time; positioning defect positions of surface defects of the enameled wire; identifying types and distribution of internal defects of the aluminum enameled flat wire; distinguishing defect types through a machine learning algorithm; outputting a corresponding correction scheme through the pre-trained neural network model; and outputting the deviation correction control signal to the correction module for deviation correction operation. Through synchronous acquisition and analysis of fluid resistance signals and electromagnetic induction signals, synchronous detection of surface defects and internal defects is realized, and the limitation of a traditional single detection means is solved; by forming a high-precision three-stage classification system, an interpretability report is generated, and the classification accuracy of the composite defects is remarkably improved.
Owner:GUANGDONG JINGXUN LIYA SPECIAL WIRE

System and method for intelligently identifying state of lubricating oil product of gearbox

The invention relates to the technical field of lubricant analysis, in particular to a gearbox lubricating oil product state intelligent recognition system and method, and the system comprises a lubricating oil state parameter collection module, a multi-dimensional feature fitting degree classification module, a spectrum pollutant dynamic detection module, a state change trend storage module and a lubricating oil abnormal deviation early warning module. According to the method, the lubricating oil state features are accurately extracted by constructing a multi-dimensional feature matrix and high-dimensional space mapping, the fitting degree weight and the data scale are combined to adjust, optimize and classify, the state recognition precision is improved, the pollution change is recognized through trend analysis in dynamic spectrum pollutant detection, and the monitoring sensitivity is improved. A data storage strategy driven by parameter change ensures the integrity of high-value data and reduces invalid storage, an offset calculation method is combined with data trend comparison to improve the recognition accuracy of an abnormal state, and misinformation and missing report are reduced.
Owner:HUANENG DONGGUAN GAS TURBINE THERMAL POWER CO LTD +1

Method for detecting and analyzing physical properties of polymer modified asphalt

The invention relates to the technical field of asphalt performance analysis, in particular to a method for detecting and analyzing physical properties of polymer modified asphalt. According to the invention, the collected asphalt sample is subjected to pretreatment means of vacuum degassing, multi-angle image bubble monitoring and constant-speed stirring, the uniformity of the asphalt sample is judged according to physical state parameters at different positions, the reliability of subsequent detection data is further improved, and a plurality of uniformly-divided target asphalt samples are respectively placed in the constant-temperature containers; the method comprises the following steps: recording the heat conduction temperature of each target asphalt sample at different monitoring points in a constant-temperature water bath in real time, carrying out penetration detection on each target asphalt sample after the sample reaches heat balance, carrying out penetration index analysis according to the incidence relation between the temperature and the penetration, and evaluating the physical properties of the polymer modified asphalt based on the penetration index. The penetration data under different temperature gradients can be accurately obtained, the physical properties of the polymer modified asphalt can be comprehensively and accurately evaluated, and a reliable basis is provided for engineering quality control.
Owner:XIANYANG JINGWEI INVESTMENT CO LTD +1

Lithium ion battery mixed slurry viscosity detection method based on lithium iron phosphate

The invention discloses a lithium ion battery mixed slurry viscosity detection method based on lithium iron phosphate. The method comprises the steps of slurry pretreatment and parameter initialization, multi-modal data acquisition, dynamic viscosity compensation model construction, rheological property prediction, abnormality diagnosis and online feedback control. The temperature, the shearing rate, the solid content and the rheological curve of the slurry are acquired in real time through a multi-sensor fusion technology, a dynamic viscosity compensation model is constructed in combination with the characteristics of the lithium iron phosphate material, and a rheological prediction algorithm based on machine learning is introduced, so that high-precision and nondestructive online detection is realized. The influence of particle size distribution and temperature drift is eliminated through material characteristic modeling, and the measurement precision is further improved; and an ultrasonic wave and near infrared combined detection mode is adopted, so that the slurry structure is prevented from being damaged by a traditional sampling method, viscosity abnormity self-diagnosis and process parameter real-time feedback are realized, and the rejection rate is reduced.
Owner:SICHUAN FULIN NEW ENERGY TECH CO LTD

Method and system for determining water content of safe shutdown boundary of submarine mixed transportation pipeline

The invention relates to a method and system for determining the water content of a safe shutdown boundary of a submarine mixed transportation pipeline, and the method comprises the steps: carrying out a physical property parameter test, and taking the physical property parameter as a multiphase flow simulation input parameter; carrying out submarine pipeline shutdown simulation on the basis of the physical property parameter test data, and obtaining oil section temperatures and spatial distribution characteristics at different water depth positions in the pipeline; carrying out an oil-water layering characteristic experiment under a temperature control condition to obtain an oil-water emulsion layering characteristic; sampling oil sections with different layer heights in the oil-water layering characteristic experiment, and testing the water content and simulating the yield / slip characteristic at the oil section temperature based on the temperature distribution of the oil sections; according to the yield / slip stress of the oil sections with different layer heights, carrying out segmented calculation and weighted accumulation to obtain an overall starting stress; on the basis of the overall starting stress, the safe shutdown boundary moisture content is determined in combination with pressure boundary conditions. The method can effectively guide the safe transportation stopping and restarting of the submarine pipeline, optimizes the replacement operation after the transportation stopping of the submarine pipeline, and improves the operation safety and economy.
Owner:CHINA NATIONAL OFFSHORE OIL (CHINA) CO LTD +1

Flow state solidified soil fluidity testing device

The utility model discloses a flow-state solidified soil flowability testing device, which belongs to the technical field of civil engineering testing, and comprises a base, a supporting disc is clamped in the middle of the top surface of the base, a measuring mechanism is arranged on one side of the base, a filler cylinder is arranged right above the supporting disc, and a flow-state solidified soil flowability testing device is arranged on the filler cylinder. A supporting disc is fixedly connected to the top surface of the filling barrel, a pair of handles is fixedly connected to the side edge of the supporting disc, the filling barrel is filled with a flow-state solidified soil body, an inner ring is fixedly connected to the center of the top surface of the supporting disc, and an outer ring is fixedly connected to the position, close to the side edge, of the top surface of the supporting disc. The slump and expansion degree of the fluid-state solidified soil can be rapidly measured, the measurement efficiency is improved, the supporting assembly is arranged, the fluid-state solidified soil modules can be rapidly replaced, and therefore the multiple fluid-state solidified soil modules can be conveniently measured, and the measurement efficiency is further improved.
Owner:HUNAN KANGCHENG RECYCLING RESOURCES CO LTD

Multi-physical-field coupling viscosity calibration method for large and heavy hydrostatic pressure rotating table

The invention discloses a multi-physics coupling viscosity calibration method for a large and heavy hydrostatic pressure rotating table, and belongs to the technical field of fluid mechanics modeling and high-end equipment manufacturing. According to the calibration method, a temperature control / high-pressure rotational rheometer is adopted to obtain experimental data, and experimental verification shows that the average prediction error of the model under the ultrahigh pressure (1000 MPa) and the wide temperature range (20-80 DEG C) is controlled within 10%, and the model is remarkably superior to traditional Arrhenius and Barus models (the error is 40% or above). Theoretical support is provided for oil film dynamic characteristics, bearing capacity optimization and real-time control of a large and heavy hydrostatic pressure system, and the method is suitable for various lubricating media such as mineral oil, synthetic oil and nanofluid and can be widely applied to precision machining and intelligent control in the field of high-end equipment manufacturing.
Owner:NANJING TECH UNIV

Method of monitoring a condition prevailing inside a piping system with respect to an impairment due to accretion, abrasion or corrosion

A method of monitoring a condition prevailing inside a piping system with respect to an impairment due to accretion, abrasion or corrosion caused by fluid(s) flowing through the piping system is disclosed, comprising the steps of: installing at least two measurement devices susceptible to an impairment and configured to measure variables indicative of the impairment; wherein the measured variables include at least two variables exhibiting a different dependency on the impairment; continuously recording data including time series of measured values of the variables measured; based on training data included in the data determining a dynamic reference behavior of the variables corresponding to time dependent distributions of values of the variables to be expected of the measured values when the measurement devices are unimpaired; repeatedly determining a deviation between a monitored behavior of the measured values of the variables and the reference behavior.
Owner:ENDRESSHAUSER GRP SERVICES AG

Fused salt recovery system based on steel belt cooling granulator

PendingCN121016606AMaterial crystallisationFlow propertiesOrganic Rankine cycleHeat pipe heat exchanger
The invention relates to the technical field of molten salt treatment, and discloses a molten salt recovery system based on a steel belt cooling granulator. The system comprises a molten salt physical property monitoring module, a viscosity modeling module, a cooling optimization module, a partition temperature control module, a phase change monitoring module, a dynamic adjustment module, a particle size analysis module, a quality grading module, a pneumatic conveying module and a waste heat recovery module. The progressive crystallization control of the molten salt particles is realized; a heat pipe type heat exchanger and an organic Rankine cycle system are integrated at the waste heat recovery end, so that comprehensive energy consumption is reduced; the environment regulation and control end monitors the workshop temperature and humidity in real time based on a dew point calculation model, and the long-term stability of hygroscopic fused salt particles is guaranteed. According to the method, four technical bottlenecks of out-of-control crystallization, energy waste, classification loss and environmental interference in fused salt recovery are overcome, and low-cost, high-purity and zero-waste fused salt resource recycling is realized.
Owner:SHANXI CHANGSHENG NEW ENERGY TECHNOLOGY CO LTD

Discrete element contact parameter calibration device and method based on dynamic repose angle

The invention discloses a discrete element contact parameter calibration device and method based on a dynamic repose angle, the device comprises a platform on which a motor and a motor control panel are fixedly arranged, the motor control panel is connected with a PC, the motor control panel is connected with the motor, and an output shaft of the motor is fixedly connected with a driving belt wheel; a first bearing seat and a second bearing seat are installed on the top face of the platform, the first bearing seat is rotationally connected with a first rotating shaft, the first rotating shaft is fixedly connected with a driven belt wheel connected with the driving belt wheel through a belt, and the two ends of the first rotating shaft are fixedly connected with driving wheels respectively. The second bearing seat is rotationally connected with a second rotating shaft; two ends of the second rotating shaft are fixedly connected with supporting wheels respectively; the cylinder is in contact with the surfaces of the driving wheel and the supporting wheel; a high-speed camera connected with a PC (Personal Computer) is fixedly arranged on the top surface of the platform, and discrete element analogue simulation software is installed in the PC. According to the invention, the dynamic angle of repose of the material in different flowing states can be measured in real time, and high-precision calibration of contact parameters among particles is facilitated through a discrete element model.
Owner:CENT SOUTH UNIV +1

Viscometer for detecting quality of new chemical material product

The invention discloses a viscometer for detecting the quality of a new chemical material product, and relates to the technical field of viscometers, the viscometer comprises a base, an ultrasonic cleaning box is fixed on the base, a material moving mechanism for realizing automatic loading and unloading of a sample cylinder is also fixed on the base, a bracket is fixed on the rear side of the base, and the bracket is connected with the ultrasonic cleaning box. A first motor is fixed to the support, an output shaft of the first motor is connected with a threaded rod connected to the support through a bearing, and the threaded rod is connected with the movable frame so that the movable frame can move in the Z-axis direction. According to the viscometer for detecting the quality of the new chemical material product, through linkage regulation and control of the adjusting mechanism, the material moving mechanism and the detection mechanism, cleaning and switching of the detection mechanism and feeding and discharging of the sample cylinder are cooperatively matched, 180-degree transposition of the detection mechanism and 90-degree automatic material moving of the sample cylinder driven by the rotary table are synchronously achieved, and therefore assembly line operation can be achieved, and the working efficiency is improved. And manual participation is not needed, the detection efficiency is greatly improved, and batch detection of new chemical materials can be effectively adapted.
Owner:HUBEI JINGXING SCI & TECH INC CO LTD

Method and device for determining flow characteristic of carbon dioxide in porous medium and distribution rule of methane in pore space

The invention relates to a method and a device for determining the flow characteristic of CO2 in a porous medium and the distribution rule of CH4 in a pore space. The method comprises the following steps: (1) pretreating a sample; (2) system connection and air tightness inspection; (3) vacuumizing the system; (4) temperature control; (5) CH4 saturation and pressure stabilization; (6) displacement experiment and data acquisition; (7) monitoring outlet gas; and (8) data processing. The problem that in existing CO2 geological sequestration and enhanced gas production research, due to the fact that in-situ visualization of the pore size cannot be achieved, a microscopic displacement mechanism is unclear is solved, and the method aims at providing scientific basis and technical support for efficient exploitation of natural gas and effective geological sequestration of CO2.
Owner:SANYA MARINE OIL & GAS RESEARCH INSTITUTE NORTHEAST PETROLEUM UNIVERSITY

Coal ash characteristic intelligent regulation and control method and system based on big data analysis

The invention discloses a coal ash characteristic intelligent regulation and control method and system based on big data analysis, and relates to the technical field of coal ash characteristic regulation and control, and the method comprises the steps: obtaining coal ash parameter information, obtaining coal ash fusion characteristic temperature information based on a coal ash fusibility test according to the coal ash parameter information, and obtaining a coal ash viscosity-temperature characteristic curve based on the coal ash parameter information. According to the method, the fusibility of the coal ash is accurately analyzed by testing the fusibility of the coal ash cone, the fusibility of the coal ash in the actual production environment is accurately evaluated through the coal ash fusibility characteristic temperature, the accuracy of coal ash characteristic regulation and control is ensured through the coal ash characteristic regulation and control node, the coal ash characteristic regulation and control efficiency is improved, and the method is suitable for industrial production. The coal ash characteristic regulation and control mode is specifically limited through the coal ash regulation and control reagent proportion information, the situation that the coal ash characteristic regulation and control accuracy is affected by the superposition effect of different regulation and control reagents is avoided, and the coal ash characteristic regulation and control stability is improved.
Owner:SHANGHAI INROAD INFORMATION TECH CO LTD

Quality detection device for carbon fiber production line

The utility model provides a quality detection device for a carbon fiber production line, belongs to the technical field of carbon fiber production quality detection, and aims to solve the problem that a sampling cup is inclined due to the fact that the sampling cup is easily driven to move when a detection rod rotates in the prior art. Comprising a detection support frame, a detection guide rod, a viscometer main body, a viscometer detection rod, a detection locking bolt, a clamping driving piece, a detection protection mechanism and a detection clamping mechanism, the viscometer main body is connected to the outer side of the detection guide rod in a sliding manner; the viscometer detection rod is rotationally connected to the lower part of the viscometer main body; the detection locking bolt is in threaded connection with the rear end of the viscometer main body; the clamping driving piece is slidably connected to the lower end of the outer side of the detection guide rod; the detection protection mechanism is arranged below the viscometer main body; the detection clamping mechanism is arranged on the inner side of the detection supporting frame, clamping of the sampling cup is achieved, the stability of the sampling cup during detection is guaranteed, and the accuracy of the detection structure is guaranteed.
Owner:SHANDONG POLYTECHNIC COLLEGE

Proppant breakage rate and flow conductivity real-time monitoring method and system based on CT scanning

The invention discloses a real-time monitoring method and system for the breakage rate and flow conductivity of a propping agent based on CT scanning. The real-time monitoring method comprises the steps that a CT scanner is externally connected to a quartz glass observation window of a flow guide chamber through a mechanical arm; performing initial scanning on the propping agent in the flow guide chamber through a CT scanner to obtain initial particle volume distribution and determine an initial volume and a minimum volume threshold value; setting the temperature and overburden pressure of the flow guide chamber, and injecting fluid through a constant-speed constant-pressure pump; cT dynamic scanning is triggered at a fixed time interval, and the real-time breakage rate is calculated; when the real-time breakage rate is larger than 5%, the pressure difference, the flow and the crack width are obtained; calculating the flow conductivity by combining the fluid viscosity and the length of the flow guide chamber; when the real-time breakage rate is smaller than or equal to 5%, returning to scan again; and when the pressure difference is greater than 5MPa, the experiment is automatically stopped. According to the invention, the three-dimensional image data in the experiment process can be rapidly obtained and processed and analyzed in real time, so that the measurement time is remarkably shortened, and the measurement efficiency is improved.
Owner:YANGTZE UNIVERSITY

Viscosity detection device for new material drier

The invention discloses a new material drier viscosity detection device, and relates to the technical field of new material drier detection.The new material drier viscosity detection device comprises a workbench and a switching assembly, a sample cup is arranged at one end of the top of the workbench, a detection assembly is arranged in the center of the top of the workbench, and the switching assembly is connected to the upper portion of the detection assembly; and the switching assembly comprises a rotating motor. The lifting motor drives the screw rod to drive the lifting seat to move downwards, so that the reset spring pushes the rotating ring to synchronously descend, automatic butt joint of the rotor and the viscometer main body and detection operation by immersing the rotor into a new material drier solution are realized, and the system stability is enhanced through a guide column limiting structure during detection; after detection is finished, when the lifting seat resets, the connecting fluted disc can be automatically separated, the rotor is automatically transferred to the ultrasonic cleaning machine in a detection gap through linkage of the rotating motor and the cleaning mechanism, and seamless connection of the detection process and the cleaning process is achieved in cooperation with rapid drying of an air heater.
Owner:XIANGYANG BULLARD CHEM TECH CO LTD

Suspension type viscosity and density on-line measuring device

The utility model discloses a suspension type viscosity and density on-line measuring device. The device comprises a cavity, a rotating part, a reference rotor, a suspension rotor, a torsional elastic piece and a distance measuring sensor, the rotating part is fixedly connected to the cavity; the reference rotor is fixedly connected to the outer wall of the rotating shaft, synchronously moves along with the rotating shaft and is higher than the liquid level of measured liquid; a suspension detection end is arranged at the upper end of a suspension body of the suspension rotor, the suspension body is connected with the rotating shaft through a torsion elastic piece, the suspension body suspends in detected liquid, the suspension detection end is exposed out of the detected liquid, and the suspension rotor is driven by the rotating shaft to rotate; the distance measuring sensor fixed in the cavity measures the rotating speed of the reference rotor, the axial displacement of the suspension detection end and the phase difference between the reference rotor and the suspension rotor so as to calculate the viscosity and density of the liquid to be measured. The device has the effects of measuring the density and the viscosity of liquid in real time and being high in measurement precision.
Owner:SHENZHEN XIANBO TECH CO LTD

Thixotropy quantitative characterization method of lithium slag-tailing cemented filling slurry

The invention provides a thixotropy quantitative characterization method of lithium slag-tailings cemented filling slurry, and relates to the technical field of metal ore remaining tailings and lithium slag treatment. Comprising the following steps: preparing to-be-tested slurry and setting test parameters; starting a rheometer to test the to-be-tested slurry to obtain multi-stage thixotropic data of the to-be-tested slurry; according to the multi-stage thixotropic data, constructing a curve of the apparent viscosity changing along with the test time; carrying out data fitting on the curve by adopting a thixotropic quantitative characterization method so as to obtain specific fitting parameters and a flocculation rate; calculating the thixotropy of the slurry by using a structural recovery rate formula; and analyzing and characterizing the thixotropy of the slurry by using the obtained structure recovery rate and flocculation rate to obtain a characterization result. The problem that in the prior art, the thixotropy experiment result is low in accuracy is solved.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Measuring range broadening method, device and equipment of viscosity sensor and medium

The invention discloses a measuring range widening method, device and equipment of a viscosity sensor and a medium, and relates to the field of viscosity measurement, the method comprises the following steps: adjusting the amplitude or frequency of an excitation signal, and when the resonance response waveform of a vibration element of the viscosity sensor meets a first exponential decay rule, determining that the vibration element of the viscosity sensor has a second exponential decay rule; determining a viscosity measurement boundary value of the viscosity sensor and an amplitude boundary value and a frequency boundary value of the excitation signal; based on the viscosity measurement boundary value, segmenting the measuring range of the viscosity sensor to obtain a plurality of sub-measuring range segments; based on the amplitude boundary value and the frequency boundary value, determining the amplitude and the frequency value of an excitation signal applied to the driving element in the sub-range section; adjusting the amplitude or frequency of the excitation signal of the sub-range segment, and determining the target amplitude and target frequency of the excitation signal of the sub-range segment when the sub-resonant response waveform in the sub-range segment meets a second exponential decay rule; and based on the target amplitude and the target frequency of the sub-range section, carrying out viscosity calibration of the viscosity sensor on the sub-range section.
Owner:GUANGZHOU MECHANICAL ENGINEERING RESEARCH INSTITUTE CO LTD

Concrete grout performance automatic identification method and system based on multi-modal fusion

The invention relates to a multi-modal fusion-based concrete slurry performance automatic identification method and system, and belongs to the technical field of concrete detection. The invention aims to solve the defects of the traditional manual evaluation and the existing single-mode automatic detection technology, constructs a bimodal depth perception model fusing an image and sensing data, comprehensively analyzes visual features and physical parameters of slurry, preprocesses the image by using an illumination self-adaptive model, overcomes the influence of field light variation, and improves the detection accuracy. Then visual and sensing features are extracted through a double-flow network and fused, and finally objective and comprehensive slurry performance evaluation and risk grades are output through a performance index algorithm and a risk scoring formula. According to the method, the accuracy, the robustness and the intelligent level of concrete workability identification in a complex construction environment are remarkably improved, and reliable support is provided for engineering quality control.
Owner:云南华电金沙江中游水电开发有限公司

Temperature-controllable asphalt concrete non-contact slope flow instrument device

The utility model discloses a temperature-controllable asphalt concrete non-contact slope flow instrument device, which comprises a temperature control box and an angle adjusting device, the angle adjusting device comprises a bottom support, an adjusting plate and a base, the left end of the adjusting plate is rotatably connected with the bottom support, the base is arranged below the adjusting plate, a sample table is arranged on the upper surface of the base, and the sample table is connected with the temperature control box. The sample table penetrates to the position above the surface of the adjusting plate, a sample is arranged on the sample table, an adjusting screw is arranged on the upper surface of the base and penetrates to the position above the adjusting plate, an adjusting nut is arranged on the adjusting screw, and a heat insulation glass box is arranged on one side of the upper surface of the adjusting plate. A rechargeable battery, an angle display and a laser displacement sensor are arranged in the heat insulation glass box; according to the structure, an independent heat insulation glass box is adopted, a laser hole and a heat insulation film are arranged, and the heat insulation film is used for reducing errors, caused by refraction, of a laser beam penetrating through the high-temperature-resistant heat insulation glass box on the sample placement position and deformation data of the sample.
Owner:SHAANXI TRANSPORTATION VOCATIONAL & TECH COLLEGE

A universal fermentation device, a yogurt production system and a yogurt production method

The present application relates to the technical field of microbial fermentation, and particularly relates to a universal fermentation device, a yogurt production system and a method for producing a yogurt with reduced uric acid. The universal fermentation device comprises a fermentation tank, a sampling tube, a test tube, a sliding member, a pressure detection module and a processor. The pressure detection module is installed on the test tube. The sliding member is slidingly fitted on the test tube, and the sliding member is connected with a first driving rod. The sliding member is provided with a clearance opening, and the clearance opening is matched with a plugging block. The plugging block is connected with a test rod and a second driving rod. One end of the sampling tube is communicated with the fermentation tank, and the other end is communicated with the test tube. The processor is used for determining the density of the fermentation sample and the viscosity of the fermentation sample. The universal fermentation device can realize continuous monitoring of the fermentation system during the fermentation process, effectively avoids sample confusion, improves the timeliness of analysis, ensures that the conditions reflected by the sample are highly consistent with the original fermentation system, and is suitable for various fermentation scenes.
Owner:四川贝鸿商贸有限公司 +1

Kinematic viscosity detection equipment for lubricating oil production and processing

The invention discloses kinematic viscosity detection equipment for lubricating oil production and processing, and relates to the technical field of lubricating oil kinematic viscosity detection.The kinematic viscosity detection equipment comprises a base and a second supporting frame, the top end of the base is fixedly connected with a second fixing plate and the second supporting frame, and one end of the second supporting frame is fixedly connected with an operation screen; a positioning mechanism is fixedly connected to one end of a second fixing plate, a moving mechanism is fixedly connected to one end of a second supporting frame, a detection mechanism is arranged at the top end of a carrying plate, and through the synergistic effect of a first coil, a second coil and a magnet block, an inner shaft is made to suspend on the inner side of an outer cylinder; therefore, mechanical friction interference of a traditional bearing is thoroughly eliminated, and rotation blocking of the inner shaft is avoided. Compared with a measurement mode depending on a torque spring, the design not only saves the tedious step of spring calibration, but also solves the measurement error caused by spring lag, and remarkably improves the overall detection precision.
Owner:SUMACH CHEM CO LTD

Crude oil viscosity reducer production quality detection equipment

The invention relates to the technical field of viscosity monitoring, in particular to crude oil viscosity reducer production quality detection equipment which comprises a crude oil conveying pipe used for conveying crude oil and further comprises a spiral conveying agent winding pipe which is wound on the outer surface of the crude oil conveying pipe and used for conveying a viscosity reducer into the crude oil conveying pipe. A plurality of injection pipes communicated with the crude oil conveying pipe are arranged on the inner wall of the crude oil conveying pipe in a staggered mode, a plurality of ultrasonic viscometers used for detecting the viscosity of crude oil are arranged on the outer surface of the crude oil conveying pipe, and the ultrasonic viscometers and the spiral conveying agent winding pipe are arranged in a staggered mode; the rotary spiral scraping pipe is attached to the inner wall of the crude oil conveying pipe in a spiral shape, a pushing assembly used for driving the rotary spiral scraping pipe to rotate so as to convey crude oil to flow is arranged in the crude oil conveying pipe, and a plurality of connecting rods capable of being connected with the pushing assembly are connected into the rotary spiral scraping pipe and used for transmission.
Owner:SHANDONG KEXIN PETROCHEMICAL CO LTD

Concrete slump test detector

The invention relates to the technical field of concrete detection, and particularly discloses a concrete slump test detector which is used for solving the problem of inconvenience in use in the prior art. Comprising a conveying belt used for supporting concrete, mounting side plates are symmetrically arranged on the two sides of the conveying belt, conveying motors used for driving the conveying belt to work are arranged on the mounting side plates, supporting legs used for supporting are symmetrically arranged on the two sides of the mounting side plates, and a plurality of slump cylinders used for forming concrete columns are arranged at the upper end of the conveying belt. The slump cylinder is connected with a separating mechanism used for driving the slump cylinder to be separated from the concrete column, and a supporting vertical plate is arranged on the other side, opposite to the separating mechanism, of the conveying belt. A plurality of concrete testing main bodies are designed and constructed according to existing requirements, the testing accuracy is improved, the conveying belt can be used for rotating before and after testing, so that concrete is transferred into the collecting mechanism, and the cleaning difficulty is reduced.
Owner:XIANGCHENG COUNTY HENGJI COMMERCIAL CONCRETE CO LTD

Lubricating oil quality on-line monitoring system and method

The invention relates to the technical field of lubricating oil quality monitoring, in particular to a lubricating oil quality on-line monitoring system and method, and the system comprises a data collection module which collects lubricating oil parameters in real time through a sensor array; the communication transmission module is used for constructing a data flow network and supporting multi-level interaction; the data analysis and diagnosis module is used for realizing state evaluation and fault early warning; the user interaction and visualization module provides a human-computer interaction interface and decision support; and the intelligent decision module realizes monitoring-maintenance closed-loop control, gives an alarm in time and realizes full-link intelligent control triggered by a maintenance action. According to the method, the prediction precision and the early warning capability of the degradation trend of the oil system are effectively improved through the improved autoregression moving average model, the real-time state of the oil is accurately reflected by dynamically adjusting the alarm threshold value, and the fault positioning precision is greatly improved through the space matching algorithm.
Owner:JIANGSU HAIYI TECHNOLOGY MANUFACTURING CO LTD

Signal processing system and method for automatically adjusting gap between guide bearing bushes

The invention relates to the field of guide bearing bush control, in particular to a signal processing system and method for guide bearing bush clearance automatic adjustment, and the system comprises a clearance metering module, a model boundary module, a fault learning module, a clearance adjustment module and an oil film lubrication module, the model boundary module is used for establishing a dynamic pressure lubrication model of the guide bearing bush and solving the gap of the guide bearing bush, the fault learning module is used for determining the gap adjustment amount, the gap adjustment module is used for adjusting gap distribution, and the oil film lubrication module is used for adjusting lubricating oil injection. And fault identification and automatic fault-tolerant adjustment are carried out, so that mechanical vibration of the bearing is reduced, operation stability of equipment is guaranteed, abnormal bearing bush gaps are avoided, mechanical efficiency of the bearing is improved, invalid power loss is reduced, service life of the equipment is prolonged, thickness and pressure distribution of a lubricating oil film are improved, and performance of bearing turbine equipment is improved.
Owner:NANCHANG INST OF TECH

Coriolis flow measuring device and method for calibrating and / or operating coriolis flow measuring device

The invention relates to a Coriolis flow measuring device (1) for determining a mass flow rate, a medium density and / or a medium viscosity of a fluid measurement medium, in particular a liquid, in a process line, comprising:-a measuring system (10), the measuring system (10) having a measuring line (11) for conveying the measurement medium, the measuring line (11) being arranged in the process line (11); the measuring system (10) has at least one measuring tube (12); -a calibration system (20), the calibration system (20) having a calibration line (21), separate from the measuring line (11), for conveying a calibration medium, the calibration system (20) comprising at least one calibration tube (22); -a (combined) exciter system (30) for exciting mechanical oscillations of both the measurement system and the calibration system; -a (combined) sensor system (40) for detecting mechanical oscillations of both the measurement system and the calibration system, in which the exciter system (30) and the sensor system (40) are each connected, in particular in a detachable manner, to the measurement system (10) and to the calibration system (20), in particular to the measurement system (10) and the calibration system (20). The exciter system (30) and the sensor system (40) are preferably detachably connected to the measurement system (10) and the calibration system (20); and measurement and calibration electronics (50), where the measurement and calibration electronics (50) are electrically connected to both the exciter system (30) and the sensor system (40) and are configured to oscillate both the measurement tube (12) and the calibration tube (22) by means of the exciter system (30) and to determine oscillations of the measurement tube (12) and the calibration tube (22) by means of the sensor system (40), where the measurement and calibration electronics (50) are electrically connected to both the exciter system (30) and the sensor system (40). The measurement and calibration electronics (50) are configured to determine at least one calibration variable of an integral system formed by the measurement system (10) and the calibration system (20), based on oscillations of both the measurement system (10) and the calibration system (20) conveying the calibration medium, as determined by the sensor system (40), and wherein the measurement system (10) and the calibration system (20) are coupled to the sensor system (40), the measurement and calibration electronics (50) are configured to determine a mass flow rate, a medium density and / or a medium viscosity of a measurement medium conveyed in the measurement system (10) as a function of at least one calibration variable and / or a variable derived therefrom.
Owner:ENDRESS HAUSER FLOWTEC AG