163 results about "Distribution uniformity" patented technology

The invention discloses a lake ecosystem health evaluation method and system, and particularly relates to the technical field of data management. A monitoring area is divided through a zoning model of a lake area, distribution density coverage rate characteristics and sampling frequency abnormal fluctuation characteristics are extracted based on distribution density and acquisition frequency data of sampling points, data spatial and temporal distribution uniformity indexes of the sampling points are calculated, and the acquired data are classified according to the uniformity indexes. Establishing an evaluation model and generating a health state report by preferentially utilizing the uniformity data, generating a data quality analysis report aiming at the non-uniformity data and feeding back a sampling strategy optimization suggestion, and performing error accumulation prediction and dynamic sampling adjustment on the incomplete uniformity data; by improving comprehensiveness, uniformity and timeliness of data acquisition, scientificity and reliability of health evaluation of the lake ecosystem are improved, and powerful support is provided for ecological management and restoration.

The invention discloses a multi-field coupled microwave deicing intelligent system and an energy efficiency dynamic regulation and control method, and relates to the field of material surface ice layer desorption behavior research and deicing technology experimental testing. In order to solve the technical defects in the prior art that the existing microwave deicing technology still has obvious defects in the aspects of power adjustability, field distribution uniformity, interface depth temperature measurement, real-time mechanical test and the like, the technical scheme provided by the invention is as follows: the microwave deicing device comprises a microwave box body which is a metal closed cavity and is provided with a waveguide interface; a stirrer is arranged inside; the refrigerating system is connected with the back surface of the bearing plate of the microwave box body; a pressure head at the tail end of the mechanical loading module applies thrust to the ice layer; the device and the method are used for realizing construction, microwave heating and real-time mechanical testing of a low-temperature icing environment on the same platform. The method can be applied to dynamic monitoring and research work in multi-physics coupling deicing scenes such as aviation, traffic and new energy.

The invention relates to the technical field of feed processing, in particular to an efficient energy-saving feed raw material grinding and smashing device which comprises a smashing box body, a feeding groove is formed in the top of the smashing box body, a material passing cavity is formed in the feeding groove, and the bottom of the material passing cavity communicates with a grinding and smashing cavity and a collecting cavity. A plurality of smashing assemblies are arranged on the transmission rotary drum, a plurality of collecting assemblies are arranged in the transmission rotary drum, a feeding driving assembly is arranged in the material passing cavity, an adjusting smashing assembly is arranged in the transmission rotary drum, and a screen piece adjusting assembly is arranged in the collecting cavity. And a control system is arranged in the crushing box body, judges the hardness, density and distribution uniformity of the materials according to data acquired by the acquisition assembly, controls the feeding flow of the raw materials, and dynamically adjusts the screening thickness and the crushing efficiency of the crushing assembly. According to the invention, asymmetric rotor design, dynamic airflow regulation and control and an intelligent feedback system are integrated, so that the particle sorting problem is solved, the energy consumption of crushing and grinding is reduced, and the service life of crushing hammers is prolonged.

The invention provides a river pollution source tracking system and method combined with water quality monitoring, and relates to the technical field of water quality monitoring. The distribution gradient analysis module is used for analyzing the collection distribution gradient of each collection target; the uniformity evaluation module is used for carrying out distribution uniformity evaluation according to the collection distribution gradient and configuring a water quality monitoring strategy; the path analysis module is used for collecting water quality monitoring data and analyzing a pollutant propagation path in combination with the collected water flow data to obtain a propagation moving line of each pollutant; and the pollution source tracing module is used for tracing the pollution source through a reverse tracing algorithm and positioning the position and the type of the pollution source. The technical problems that water quality monitoring in the prior art depends on fixed monitoring points, the water quality is evaluated through regular sampling and water quality parameter analysis, the change condition of the water quality in a large range cannot be comprehensively reflected, and the exact position and type of a pollution source are difficult to accurately trace are solved.

The invention provides a greenhouse intelligent temperature control automatic adjustment optimization method based on multi-parameter dynamic coordination, and relates to the technical field of agricultural facility environment control. The method comprises the following steps: acquiring temperature, air humidity, wind speed and airflow distribution environment data inside and outside a greenhouse in real time; the environment state is quantified through a dynamic evaporation efficiency coefficient DEEC and an airflow distribution uniformity index ADUI; the flow of a water pump, the rotating speed of a fan and the opening degree of a ventilation system are dynamically adjusted in combination with an improved PID control algorithm, and the weight of an integral term is dynamically adjusted along with the ADUI to enhance the response efficiency; a time sequence prediction model based on LSTM is adopted to fuse historical and real-time data, a parameter correction amount is predicted, and the adaptation capability of the system to a new environment is improved in combination with a transfer learning algorithm; system hardware comprises a low-power-consumption wireless sensor, a frequency conversion actuator and an embedded control terminal. Through combination of multi-parameter perception and cooperative control, accurate temperature and humidity control and energy efficiency optimization are realized, resource consumption is reduced, and automation and intelligence levels of environment adjustment are improved.

The invention discloses a building demolition dust intelligent suppression method and system, and relates to the field of building demolition dust suppression, and the method comprises the steps: obtaining the wind field data of a building demolition area and the spatial position information of a structure, and obtaining the arrangement parameters of each nozzle unit in a spraying system; constructing a wind barrier interference area model in the target area according to the spatial position information and the wind field data; calculating the spraying range of each nozzle unit according to the arrangement parameters; performing space superposition on the spraying range and the wind barrier interference area model, calculating a distribution prediction value of spraying particles generated by each nozzle unit in a three-dimensional space, and generating a space unit matrix of an operation area; traversing the space unit matrix to judge the particle distribution uniformity; maintaining or adjusting nozzle unit arrangement parameters according to a judgment result; dynamic reconfiguration of spraying resources in a multi-nozzle system is achieved, and the problem that the dust suppression efficiency is low due to coexistence of over-spraying and under-spraying is solved.

The invention provides a method for increasing the content and distribution uniformity of filler in paper sheets and increasing the strength of the paper sheets, and belongs to the technical field of papermaking. The method for improving the content and distribution uniformity of the filler in the paper sheet and increasing the strength of the paper sheet comprises the following steps: preparing a modified composite nanofiber dispersion liquid, preparing a positive electric buffer solution, preparing a positive electric composite slow release solution, preparing a filler particle suspension liquid, and mixing and manufacturing paper with pulp. According to the method for improving the content and the distribution uniformity of the filler in the paper sheet and improving the strength of the paper sheet, the flocculation speed of the filler can be mildly and effectively controlled, the size of floccules can be controllably adjusted, the distribution uniformity of the filler in the paper sheet can be improved while the content of the filler in the paper sheet is improved, and the paper sheet strength is improved. The adverse effect on the mechanical property of the paper sheet caused by filler dosage increase is effectively avoided, and the paper sheet strength is further improved.

The invention provides a device for testing gas-solid mixing and flow characteristics in an under-pressure gas pipeline, and relates to an industrial pipeline monitoring device, the device comprises an under-pressure pipeline main body, an experiment section and a particle adding section are combined to form a gas flow loop, and a flange assembly port is fixedly provided with a particle adding device through a fastening bolt; the gas inlet pipe guides gas flow in the pipeline into the U-shaped mixing pipe, and particles in the sealed particle storage box are distributed in the U-shaped mixing pipe in the synchronous rotation process of the gas inlet pipe and the stirring fan blades, so that gas-solid mixing is completed. The airflow in the pipeline with pressure is guided into the particle adding device, the airflow of the pipeline is used as power for gas-solid mixing operation, an external pressurizing air pump is not needed any more, and therefore the cost of the particle adding process is greatly reduced, the particle adding speed can be adjusted in a self-adaptive mode according to the flow speed of gas in the pipeline, and the particle adding efficiency is improved. And the distribution uniformity and continuity of the particles are fully ensured.

The invention provides an optimization method for a nozzle grouping opening and closing strategy of an angle arm system of a circular sprinkler, and belongs to the technical field of circular sprinkler equipment. The method comprises the following steps: acquiring a running track of a tower vehicle of the angle arm system according to basic parameters of the circular sprinkler; obtaining an initial nozzle group and an initial nozzle opening and closing control strategy of the circular sprinkling machine, and calculating water quantity distribution and a water quantity distribution uniformity coefficient; dynamically adjusting each group of nozzles according to the water quantity distribution diagram to obtain an optimal water quantity distribution uniformity coefficient of the adjustment, and re-grouping the nozzles according to the optimal water quantity distribution uniformity coefficient; according to the re-grouped nozzles, dynamically adjusting each group of nozzles repeatedly, and comparing the optimal water distribution uniformity coefficients to obtain an optimal nozzle group; according to the optimal nozzle group, an optimal nozzle opening and closing control strategy is obtained in combination with a strategy that a single electromagnetic valve controls one nozzle group; the problem that spraying is not uniform in a land corner spraying leakage area is solved.

The invention relates to the technical field of concrete strength detection, in particular to a concrete strength detection method and device for construction, and the method comprises the following steps: collecting surface humidity information, rebound strength, core drilling strength and concrete surface gray level images of each concrete test piece; obtaining the rebound drill core strength difference of each concrete test piece; acquiring a humidity influence strength coefficient; obtaining the average distribution density of pits of the concrete surface gray level image of each concrete test piece; obtaining a pit distribution uniformity coefficient of each concrete test piece; the surface roughness of the concrete is obtained; obtaining concrete strength influence coefficients of all the concrete test pieces; and improving a distance formula of a clustering algorithm based on the concrete strength influence coefficient and the humidity influence strength coefficient, and correcting the rebound strength of all the concrete test pieces. The detection precision of the concrete strength is improved.

The invention discloses a fruit juice beverage production monitoring and early warning method and device, and relates to the technical field of food production, and the method comprises the steps: carrying out the correlation division of production nodes on a fruit juice beverage production line, and obtaining a heat and oxidation abnormal correlation node set; configuring a temperature sensor array at each thermal association node to monitor real-time temperature-time data and generate a first early warning signal; and monitoring dissolved oxygen data, a material turbulence state and pipeline pressure at each oxidation associated node, establishing an oxidation intake map sequence, predicting the total oxidation intake and distribution uniformity, and analyzing the influence of oxidation on quality indexes to generate a second early warning signal. The technical problems that in the fruit juice beverage production process, heat imbalance can damage raw material nutrition and affect the sterilization effect, and oxidation can cause color and luster deterioration, taste decline and shelf life shortening are solved, and accurate monitoring, abnormity analysis and early warning of quality related key factors in the fruit juice beverage production process are achieved; and the stable product quality is effectively guaranteed.

The invention relates to a polishing performance evaluation method and device and a polishing system for improving the polishing performance. The polishing performance evaluation method comprises the steps that the track lengths of all abrasive particles of a polishing disc are obtained; based on the track lengths of all the abrasive particles, calculating to obtain a track average value and a variance; and based on the trajectory average value and the variance, trajectory distribution uniformity is obtained through calculation. The wafer polishing device has the advantages that the rotating motion of the polishing disc unit and the linear motion of the polishing pad unit are combined, so that the wafer polishing uniformity can be improved, the polishing time is shortened, and the polishing efficiency is improved; the rotating motion of the polishing disc unit and the linear motion of the polishing pad unit are combined, so that uneven abrasion of the polishing pad unit can be avoided, the service life of the polishing pad unit is prolonged, and the cost is reduced.

The invention relates to the technical field of automatic control, and discloses a decontamination control method and system for laboratory automatic feeding equipment and a storage medium, the method is based on a decontamination cleaning device arranged on a tail frame of laboratory equipment, and the method comprises the following steps: firstly obtaining an image above a tail frame of a conveying belt to obtain a dirt image, and identifying a first dirt feature according to a specific dirt threshold value; and calculating the corresponding first dryness and humidity and the first distribution uniformity. The immersion depth of the cleaning rolling brush in the disinfectant is adjusted according to the first dryness and humidity in an anti-correlation mode, if the dryness and humidity are high, immersion is shallow, and if the dryness and humidity are low, immersion is deep; the thickness of the cleaning rolling brush is adjusted in an inverse correlation mode according to the first distribution uniformity, if the uniformity is high, the rolling brush is thin, and if the uniformity is low, the rolling brush is thick. Then acquiring a side image of the tail bracket of the conveying belt, identifying a second dirt feature, calculating the dirt height, and adjusting the pressure of the scraper pressing the conveying belt and the rotating speed of the cleaning rolling brush according to positive correlation, wherein if the dirt height is high, the pressure is high, the rotating speed is high, and if the dirt height is low, the pressure is low, and the rotating speed is low. By means of the scheme, automatic and efficient decontamination can be achieved.

The invention belongs to the technical field of preparation of new energy materials, and particularly provides a production control method and system for a catalyst for hydrogen production through electrolysis of water. The method comprises the following steps: collecting dynamic parameters of a precursor solution in real time; performing time sequence feature extraction on the dynamic parameters through an edge calculation node, and calculating a current density variation coefficient; the dynamic parameters and the current density variable coefficient are input into a multi-objective optimization model, and a real-time regulation and control instruction of the electro-deposition duty ratio and the annealing temperature gradient is generated; the duty ratio and the temperature gradient are adjusted according to the real-time regulation and control instruction, and the water electrolysis hydrogen production catalyst is produced based on the adjusted parameters; the distribution uniformity of elements on the surface of the catalyst is verified through a spectral analysis technology, and a verification result is fed back to the multi-objective optimization model for parameter iterative optimization. Dynamic parameters of a precursor solution are collected in real time, time sequence characteristics are extracted in combination with edge calculation nodes, a current density variable coefficient is calculated, and dynamic sensing and stability quantitative evaluation of the process state are achieved.

The utility model provides a master batch main material mixing and blanking mechanism, which solves the problems of distribution uniformity of master batch blanking and the like, and comprises a blanking barrel, a plurality of feeding barrels are connected to the upper end of the blanking barrel, a plurality of blanking plates which are arranged in a stacked manner are arranged in the blanking barrel, and a pushing assembly which extends to the edge is mounted in the middle of each blanking plate. Material collecting funnels are installed below the blanking plates correspondingly, and a feeding assembly is installed at the bottom of the discharging barrel. The master batch mixing device has the advantages of good master batch mixing effect, stable operation and the like.

The invention relates to an image feature extraction method and system for sewage treatment. The method comprises the following steps: acquiring a plurality of underwater images Pi of a continuously shot sewage pool; taking the image with the highest definition in the plurality of underwater images Pi as a target underwater image; s2, determining the distribution uniformity of the suspended particles in the target underwater image, and returning to the step S1 when the distribution uniformity of the suspended particles in the target underwater image is smaller than a preset threshold value; and when the distribution uniformity of the suspended particles in the target underwater image is greater than or equal to a preset threshold value, extracting a feature value in the target underwater image. According to the method, multiple underwater images are continuously shot, the image with the highest definition is subjected to distribution uniformity analysis, if the partial uniformity is greater than the threshold value, suspended particles in the image are uniformly distributed, and finally, the characteristics are extracted from the image, so that the characteristic value can accurately reflect the reaction condition of sewage. And a data basis is provided for adding control of the reaction agent.

The utility model discloses a distributor for a rectifying tower, belongs to the technical field of rectifying towers, and mainly solves the problems that a distributor in the prior art is inconvenient to install and maintain and poor in distribution uniformity. The device structurally comprises a fixing frame and a distribution groove, a clamping groove is formed in the fixing frame, the side end of the distribution groove is fixedly connected with a second clamping block, and the second clamping block is embedded into the clamping groove; the middle of the distribution groove is concave, a plurality of second water through holes are formed in the middle end of the side wall of the distribution groove, second water through channels are arranged at the two ends of the distribution groove, and a plurality of water drainage pipes are arranged at the bottom ends of the second water through channels. According to the distributor for the rectifying tower, the clamping groove formed in the fixing frame is embedded with the second clamping block, then the hanging lug is embedded with the side wall of the distribution groove, and the abutting ring is arranged on the fixing frame, so that the water inlet channel and the distribution groove are fixed in the fixing frame, and manual installation and maintenance are facilitated.

The invention discloses a method for calculating temperature distribution uniformity of a fused salt storage tank foundation, belongs to the technical field of high-temperature fused salt heat storage, and is used for quantitatively analyzing the temperature distribution uniformity of the fused salt storage tank foundation so as to provide reference for optimization design of a foundation structure and reduce safety risks caused by non-uniform settlement of the fused salt storage tank foundation. The method comprises the following steps of importing basic node data of a temperature field, setting the physical size of the temperature field and grid operation requirements, filling grids, calculating a correction coefficient, and calculating temperature distribution uniformity. According to the method, the temperature field uniformity of the fused salt storage tank foundation can be accurately calculated, the internal structure of the foundation can be adjusted according to a calculation result, and potential safety hazards caused by non-uniform settlement after the fused salt storage tank foundation is put into use are reduced; the method has important guiding significance and engineering application value for the foundation design of the high-temperature molten salt storage tank.

The invention relates to the technical field of high-rise building disassembly, in particular to an intelligent disassembly system for a high-rise building, which comprises a temporary support frame, a data acquisition module and a disassembly control module, the disassembly control module comprises a plurality of disassembly areas divided according to a preset size, and the distribution uniformity of wall concrete aggregate is determined according to the speed difference of wave speed; the area division unit is used for adjusting the preset size according to the volume ratio of angular aggregate in the disassembly area, the area optimization unit is used for re-dividing the remaining disassembly area of the remaining wall body according to the exposed bar length, and the disassembly sequence is determined according to the stirrup density ascending sequence corresponding to the multiple disassembly areas. The sequence determining unit is used for optimizing the dismounting sequence according to the deformation form of the steel bar joints, and the supporting control unit is used for determining the depth adjusting coefficient according to the crack expansion rate of the wall surface and optimizing the depth adjusting coefficient based on the deformation angle of the supporting rod. The dismounting safety of the wall body of the high-rise building is improved.

The invention discloses a denitration system capable of automatically adjusting an ammonia spraying strategy, which comprises a data sensing layer and an execution layer, the data sensing layer comprises a plurality of measuring devices arranged at an inlet and an outlet of an SCR (Selective Catalytic Reduction) reactor, the execution layer comprises a plurality of ammonia spraying grids arranged along the section of a flue in a partitioned manner, and each partition corresponds to an independent ammonia spraying branch pipe; an adjustable flow control valve is arranged on each ammonia spraying branch pipe; the control layer is in communication connection with the data sensing layer and the execution layer, and the control layer comprises an advanced controller and is configured to receive real-time data of the data sensing layer and optimize the real-time data on the basis of a preset denitration model and an optimization algorithm; calculating the distribution uniformity index of the NOx concentration at the outlet of the SCR reactor and the target ammonia gas flow required by each partition of the plurality of ammonia spraying grids; and the distributed PID controller is connected with the advanced controller and is configured to receive the target ammonia gas flow of each partition and generate a control signal to drive the corresponding flow control valve, and the total ammonia consumption can be remarkably reduced under the same denitration efficiency.

The invention relates to the technical field of material scattering structures, in particular to a vertical cement raw material mill material spraying and scattering device which comprises a material supply pipe, a first disc and a second disc, the first disc and the second disc are distributed up and down and are coaxially arranged, and the space between the first disc and the second disc is set as a material uniformizing space. The feeding pipe is vertically installed at the top of the first disc and used for feeding materials into the material uniformizing space, a baffle ring is arranged at the edge position of the second disc, and the first disc makes contact with the baffle ring; by designing a second disc to rotate and outwards diffuse raw materials and combining annular distribution of a plurality of material scattering long groove plates, the raw materials are not only uniformly scattered in the circumferential direction, but also more widely distributed in the radial direction, the distribution uniformity of the raw materials in the raw material mill is greatly improved by adopting a planar falling mode, and the raw materials are uniformly dispersed in the raw material mill. And the grinding quality and efficiency can be improved.

The invention discloses a complex soft foundation waterscape miniature steel pipe pile reinforcing method which comprises the following steps: accurately predicting a deformation value of a potential settlement area by fusing thickness distribution parameters, soil compression modulus and numerical simulation, and comparing the deformation value with an engineering safety threshold. When deformation exceeds the standard, an optimization algorithm is adopted to adjust pile foundation arrangement, optimized pile foundation position parameters are generated, then connection node coordinates are extracted from the bottom plate structure model, and stress transmission efficiency and load distribution uniformity are calculated. And if the uniformity is lower than a threshold value, a reinforcement configuration scheme is finally generated by iteratively updating a connection node stiffness matrix, optimizing connection mechanism parameters, extracting mechanical transmission path data, simulating long-term stability and evaluating the durability improvement degree. According to the method, multi-level parameter optimization and numerical simulation are combined, so that the foundation stability and the load distribution uniformity are ensured, and the engineering durability and safety are remarkably improved.

The invention provides an intelligent temperature control heat tracing band and a manufacturing method thereof, and belongs to the technical field of heat tracing bands, and the method specifically comprises the steps: determining the temperature measurement data of the heat tracing band based on the test data of the heat tracing band, and determining the temperature of the heat tracing band when the distribution uniformity of a conductive composite material of the heat tracing band is determined to have deviation based on the temperature measurement data. On the basis of the uniform distribution condition of the conductive composite material of the temperature tracing zone, determining the number of test samples of the temperature tracing zone in each length, and on the basis of the number of the test samples, determining that the test result of the matching carbon black proportion of the conductive composite material under each length meets the requirement. On the basis of similar conditions of matching carbon black proportions of the conductive composite materials under various lengths and resistivity data, the manufacturing method of the temperature tracing zone is determined, and the operation reliability and safety of the temperature tracing zone are improved.

The invention discloses a mechanical arm spraying parameter regulation and control system for artificial rainfall simulation, particularly relates to the technical field of agricultural irrigation control, and is used for solving the technical problems of water pressure self-adaption lagging and spraying parameter instability during alternate irrigation mode switching caused by pipeline extension and retraction of existing mechanical arm irrigation equipment. According to the system, by detecting the length variation of a telescopic water pipe of the mechanical arm and the real-time water pressure value of a water pipe inlet, the flow entropy yield space gradient and the turbulent flow energy dissipation rate are calculated to generate the water pressure compensation amount; regulating and controlling the water pump pressure based on the water pressure compensation amount, and synchronously analyzing a target spraying parameter combination of the alternate irrigation instruction; pressure compensation and parameter adjustment are executed in a linkage mode in the moving process of the mechanical arm, and kinetic energy distribution is collected through a water drop impact sensor array; when the kinetic energy distribution uniformity does not reach the standard, the entropy production and turbulence calculation logic is reversely corrected; precise and stable control over spraying parameters under dynamic operation is achieved, and the multi-area and multi-mode switching requirement is met.

The present application provides a flow distribution structure. The flow distribution structure comprises: a main body part, the main body part having a flow distribution cavity and flow distribution holes; and a plurality of flow distribution branch pipes, a plurality of flow distribution holes being provided, the plurality of flow distribution branch pipes being arranged in one-to-one correspondence with the plurality of flow distribution holes, and the flow distribution branch pipes being arranged at corresponding flow distribution holes. The flow distribution cavity comprises a flow inlet section and a flow distribution section; along the axial direction of the main body part, the flow distribution section is arranged closer to the flow distribution holes than the flow inlet section; the flow distribution section is communicated with the flow inlet section and the plurality of flow distribution branch pipes; and the flow cross-section of the flow distribution section is larger than that of the flow inlet section. By using the technical solution provided by the present application, the technical problem in the prior art of poor flow distribution uniformity of flow distribution structures can be solved.

The invention relates to the field of data processing, in particular to a stiffening plate production quality data processing method based on big data, and the method comprises the steps: obtaining the production quality data of a stiffening plate, and calculating the distribution uniformity of all data in the production quality data; any item of data in the production quality data is used as target item data, the ratio of the distribution uniformity degree of the target item data to the average value of the distribution uniformity degrees of all items of data is calculated and multiplied by the initial segmentation segment number, the segmentation segment number of the target item data is obtained, the optimal segmentation ratio is determined based on the segmentation segment number, and the eccentric optimization degree is calculated; and taking the eccentric optimization degree as a segmentation optimization degree to carry out isolated tree division on each item of data to obtain a division result, constructing an isolated forest according to the division result, and carrying out anomaly detection on the data points. According to the method, the optimal segmentation ratio and the segmentation optimization degree are dynamically calculated, so that different data distribution and characteristics can be adapted, and the accuracy of data processing is improved.

The invention discloses a pellet reciprocating shuttle car material distribution uniformity evaluation method and system and a storage medium. The method comprises the following steps that material layer thickness data of a plurality of layer thickness detectors on a grate bed of a chain grate machine within a set time period are synchronously collected; dividing the material layer thickness data into a forward cloth data segment and a backward cloth data segment according to forward and backward running state signals of the shuttle car; respectively calculating a comprehensive material distribution quantity difference value of the forward material distribution data segment and the backward material distribution data segment, and judging a material distribution quantity difference direction according to a preset threshold value; calculating the standard deviation of the forward material distribution data segment and the backward material distribution data segment along the width direction of the grate bed of the chain grate, and judging the material distribution uniformity in the width direction; and comparing the average value of the detected material layer thickness of each area with the theoretical material layer thickness, and positioning an over-thick or over-thin area of the cloth. The material distribution uniformity of the material distribution system can be evaluated, and the material distribution uniformity is improved.

The invention discloses a tight oil and gas reservoir horizontal well volume fracturing fracture network wave and volume prediction method, which comprises the following steps of: based on geological engineering parameters of a fractured horizontal well and microseism monitoring fracture volume data, calculating weight factors of each geological and engineering parameter by establishing a multi-factor evaluation model; aiming at a to-be-predicted fracturing section, combining the solved weight factor and the geological parameters of the perforation positions of the fracturing clusters in the fracturing section, and calculating a fracturing crack-making efficiency coefficient representing the distribution uniformity of fracturing fluid; multiplying the original micro-seismic monitoring fracture volume of the fractured section by the calculated fracture forming efficiency coefficient to obtain a corrected effective fracture network wave and volume; according to the method, the fracture forming efficiency coefficient is introduced to correct the original microseismic monitoring volume, the problem that prediction results of an existing method are generally large is solved, accurate quantitative prediction of the effective fracture network waves and the volume is achieved, and a scientific basis is provided for fracturing effect evaluation and scheme optimization.

The invention relates to a KNet-based method and device for identifying the number of steel supports and stand columns. The method comprises the following steps: acquiring an image containing steel supports, stand columns and background information on a building construction site; preprocessing the image; inputting the preprocessed image into a pre-trained KNet semantic segmentation model for segmentation, extracting a high-confidence binary mask image, and optimizing the image quality through morphological operation; connected domain analysis is executed to calculate the area of each region, effective regions are screened according to a minimum area threshold value, accurate positions of the steel supports and the stand columns are determined through centroid calculation, and distribution uniformity and structural stability of the steel supports and the stand columns are evaluated; counting the number of the effective areas, generating a structure number counting report containing specific positions, number and distribution density, and visually displaying the structure number counting report on an interface. The invention provides an efficient and accurate building structure detection and number statistics scheme, the number of the steel supports and the number of the stand columns can be automatically recognized and counted, and the recognition problem under the complex environment of a construction site is solved.

The invention discloses a porous asphalt pavement gap distribution uniformity and drainage performance testing method. A porous asphalt pavement needing to be tested is divided into a plurality of test road sections; detecting the water seepage conditions of n measuring points in the transverse direction h and the longitudinal direction z of the test road section by adopting a pavement water seepage instrument; driving the rainfall simulation device into a test road section; before testing, the rainfall simulation device is calibrated, the uniform spraying effect of the rainfall simulation device is ensured, the minimum rainfall intensity can be simulated and measured, and meanwhile all interfaces are checked to ensure tight connection; performing water seepage condition retest on the test road section by using a rainfall simulation device, and selecting m test points; and uniformly analyzing gap distribution of the test road section. According to the method, firstly, a road surface runoff scene can be truly simulated, the problem of lateral seepage interference is solved, the overall water seepage condition of a road section can be accurately evaluated, and the pavement water seepage qualification misjudgment rate is reduced; meanwhile, the construction segregation degree is revealed through the data difference between the water seepage instrument (point) and the rainfall simulation (surface). The method is high in operability, convenient to understand and real and reliable in data, and is a simple, convenient and visual test method.