89 results about "Sediment particle" patented technology

The invention discloses a bed load particle starting test method and device, and relates to the technical field of hydromechanics, the method comprises the following steps: laying sediment particles in a wave water tank, and adjusting the water flow rate through flow control until the bed surface shear stress is less than the critical shear stress; tracer particles are excited to emit fluorescence through a laser beam, and a camera array is used for synchronously collecting instantaneous flow velocity of a flow field and displacement data of sediment particles; analyzing spatial and temporal distribution characteristics of turbulence energy dissipation and pressure energy dissipation based on a turbulence burst process, and establishing a sediment particle starting mathematical model; experimental data and computational fluid mechanics numerical simulation are combined, and the mathematical model is verified and optimized. According to the technical scheme, the analysis precision and the experimental convergence speed of the sediment starting criterion under the complex hydrodynamic force condition can be remarkably improved, and full-chain efficient cooperation from micromechanical response to macroscopic engineering application is achieved.

The invention discloses an integrated measurement method and system for hydrological elements in a high-salinity and high-sand environment, and relates to the technical field of hydrological monitoring, and the method comprises the steps: correcting the theoretical signal receiving strength of each sonar through an established sound attenuation model, and then calculating an effective signal-to-noise ratio, thereby achieving the measurement of the underwater topography in the high-salinity and high-sand environment. According to the method, a dynamic weight fusion algorithm is adopted to perform data fusion on the water depth data of each sonar to obtain fused water depth data, and an inversion method based on residual error minimization is adopted to perform iterative optimization on model parameters, so that the accuracy is relatively high. When the water velocity and the flow rate are measured in the high-salt and high-sand environment, iterative decoupling is carried out based on the sediment particle motion comprehensive model to obtain the sediment particle velocity, then the water velocity is updated based on the measured apparent velocity and the difference value, and after the updated water velocity is converged, the flow rate is calculated. And the accurate water flow rate can be calculated by combining the flow cross section area. The measurement precision of the unmanned ship on the hydrological elements in the saline-alkali area can be improved.

The invention belongs to the technical field of hydraulic engineering, and provides a sediment particle size distribution measuring system and method.The method comprises the steps that images of sediment particles in a water body are collected, and a first sediment particle image is obtained; processing the first sediment particle image to obtain a sediment grayscale image; a K-means clustering algorithm is adopted to carry out clustering analysis on the sediment gray level image, and an image with a first-level clustering result is obtained; carrying out clustering analysis on sediment particles with particle sizes smaller than a preset threshold value in the image with the first-level clustering result by adopting a DBSCN clustering algorithm to obtain an image with a second-level clustering result; and carrying out edge detection on the sediment particles in the image with the secondary clustering result, and then sequentially carrying out binarization processing, equivalent circle diameter transformation and statistics on the particle size distribution of the sediment particles to obtain a particle size distribution result. The problem that an existing sediment particle size measurement system is low in measurement precision in a complex underwater environment with dense sediment and more fine particles is solved.

The invention belongs to the technical field of sediment particle size monitoring, and particularly relates to a sediment particle size monitoring device for river flow monitoring, which comprises at least three conical barrels sequentially sleeved from left to right, and the outer barrel wall of the conical barrels sequentially sleeved from left to right is in non-contact design with the other outer barrel wall. Meshes formed in the cylinder wall of the conical cylinder located on the left side are located in the conical cylinder located on the right side, the diameters of the meshes formed in the cylinder walls of the three conical cylinders from left to right are sequentially decreased, and a particle size monitoring assembly is detachably installed at the cylinder opening of the conical cylinder located on the leftmost side through a supporting mechanism; the at least three conical barrels are installed in a river channel to be monitored in a settling mode through the supporting settling assemblies. The monitoring device provided by the invention not only can be used for monitoring the particle size of the sediment particles mixed in the river, but also can be used for collecting and sampling the monitored sediment particles in a grading manner, so that the application range of the monitoring device provided by the invention can be widened.

The deep-sea mining pulp concentration and granularity measuring device comprises a main pipeline and an optical detection unit, a branch pipeline is arranged on the main pipeline, the optical detection unit comprises a light source and an image acquisition module arranged corresponding to the light source, and the light source and the image acquisition module are located on the two sides of the branch pipeline respectively; an array type ultrasonic sensor is further arranged on the main pipeline; and the image acquisition module and the array type ultrasonic sensor are connected with the control system. According to the invention, the concentration and granularity information of particles coexisting in three-phase media of tuberculosis particles, sediment particles and seawater is measured in a combined manner by adopting a plurality of measurement modes combining ultrasonic wave, light scattering and image methods, the detection accuracy is high, and the concentration (particle volume fraction) and granularity information of particles in ore pulp can be detected at the same time; the detection result is high in accuracy and the detection speed is high.

The invention provides a method for monitoring sediment characteristics of sand-bearing water flow based on image recognition. The method comprises the following steps: acquiring a sand-bearing water flow image; preprocessing the sand-containing water flow image to obtain a preprocessed image; performing image enhancement on the preprocessed image to obtain an enhanced image; segmenting the enhanced image, wherein the segmentation comprises morphological operation particle segmentation, edge extraction and contour drawing; sediment feature extraction: drawing an external rectangular frame of sediment particles, extracting side length information of the rectangular frame, extracting quantity information of the rectangular frame and calculating concentration information; and calibrating system parameters. According to the device and the method for acquiring the sand-containing water flow image, the problem that shooting is difficult due to the characteristics of three-dimensional occurrence, tiny property, rapid flowability and the like of particles in water-containing sand can be solved; the invention discloses a machine-based sand-bearing water flow image recognition processing method, which can solve the difficult problems of sand-bearing water flow image particle recognition, overlapped particle segmentation and the like.

The invention provides a suspended sediment concentration inversion method capable of resisting particle size interference, which comprises the following steps of: standardizing the original acoustic echo intensity of each observation grid to obtain the standardized volume back scattering intensity; establishing a sonar equation considering the sound wave attenuation of the sediment particles, and performing explicit processing on the sonar equation considering the sound wave attenuation of the sediment particles to obtain an explicit inversion model which resists particle size interference and considers the on-way change of the sediment particle size; and performing model parameter calibration on the explicit inversion model, and performing suspended sediment concentration inversion on the river observation section based on the suspended sediment concentration inversion value of each observation grid. According to the method, the dependence of ADCP inversion of the suspended sediment concentration on suspended sediment particle size distribution is effectively eliminated, and the stability and accuracy of suspended sediment concentration inversion are improved. The particle size interference resistant explicit method can realize continuous and real-time suspended sediment concentration monitoring, and is suitable for various water environments such as rivers, lakes, reservoirs and the like.

The invention provides a method of a deep-sea sediment particle sedimentation rate measuring device based on image processing. The method is used for accurately measuring terminal sedimentation velocities of non-spherical sediment particles with different particle sizes in a simulated deep-sea environment. A particle sedimentation track is dynamically captured through a high-precision image processing technology, and accurate measurement of the non-spherical particle sedimentation rate is realized by dynamically capturing the particle sedimentation track and combining morphological parameter correction and unsteady differential equation verification. According to the method, the limitation of the traditional spherical hypothesis is broken through, errors caused by form complexity are remarkably reduced, and high-reliability data support is provided for environment influence assessment of deep-sea mining activities.

The invention discloses a separation type in-situ observation device capable of continuous penetration and a laying method thereof.The separation type in-situ observation device comprises a supporting system, a penetration system, a separator and a measuring unit, a double-layer penetration module is designed according to the forward and reverse tooth two-way ball screw transmission principle, and continuous laying of a probe rod can be achieved while high-precision penetration laying of the observation probe rod is completed; based on the transmission penetration principle of a ball screw, the requirement for the environment is extremely high, matching between a ball and a screw thread is extremely prone to being interfered by suspended sediment particles in seawater, a telescopic pipe is nested on the periphery of the forward and reverse thread bidirectional ball screw, the sediment particles in an environmental water body can be prevented from being attached to the ball screw, and penetration smoothness of the probe rod is guaranteed; the observation device is designed into an upper frame and a lower frame which are connected by an automatic separator, and the upper frame is separated after the device sits on the bottom and the probe rod penetrates and is arranged, so that the reliability of data and the safety of the device are greatly guaranteed.

The invention provides a silt screening and washing device for concrete pole production, and belongs to the technical field of concrete pole production, the silt screening and washing device comprises a base, locking universal wheels are mounted at the bottom of the base, a supporting plate is connected to the top of the base, and a material distributing and pushing mechanism is fixedly connected to the top of the supporting plate; the top of the material distributing and pushing mechanism is connected with a discharging bin, an inner cavity of the material distributing and pushing mechanism is provided with a conveying belt, the conveying belt is provided with a spraying mechanism, one end of the conveying belt is provided with a vibration screening assembly, and the bottom of the vibration screening assembly is provided with a discharging pipe. The grinding piece is used in cooperation with the buffering piece, secondary screening can be conducted, on one hand, the screening effect can be guaranteed, it is avoided that materials remain on the upper portion and affect screening, on the other hand, follow-up manual cleaning is not needed, the workload of workers is reduced, and the working efficiency is improved. And the screening efficiency is improved.

The invention provides a method for evaluating and predicting the internal erosion resuspension amount of submarine sediments under the action of waves, which is based on a mass conservation equation, an erosion constitutive equation and a seepage continuity equation of sediment particles and considers the influence of accumulation of seabed pore water pressure on the internal erosion process of the sediments under the action of the waves. Meanwhile, the influence of seabed soil physical property change caused by internal erosion on the seabed accumulated pore water pressure development process is considered, a seabed accumulated response-internal erosion coupling mathematical model under the wave action is constructed, and a finite element method is used for solving; and the development change of the accumulated pore water pressure, the porosity, the suspended fine particle volume concentration and the eroded fine particle mass of the seabed is obtained. According to the method, the mass of fine particles in the seabed sediment moving outwards along with seepage under the action of waves and the spatio-temporal evolution characteristics and rules of the erosion process in the sediment are quantitatively evaluated, and therefore quantitative prediction analysis can be conducted on the seabed stability and the erosion resuspension characteristics in the seabed sediment.

The invention discloses a riverbed sediment particle analysis method and a related device, and relates to the technical field of hydraulic engineering and sediment testing.The method comprises the steps that firstly, the light intensity penetrating through a preset plane at each moment in a plurality of moments in the riverbed sediment sample sedimentation process is obtained; the preset plane is any one of the horizontal planes except the highest horizontal plane and the lowest horizontal plane in a sample container filled with the riverbed sediment uniformly-mixed suspension, riverbed sediment with different particle sizes in the riverbed sediment sample settles to the preset plane at different settling speeds, and for each particle size, based on the light intensity penetrating through the preset plane at each moment, the light intensity of the riverbed sediment in the riverbed sediment sample is calculated. Calculating to obtain the percentage of the sand weight smaller than the particle size, based on each particle size and the percentage of the sand weight smaller than the particle size, obtaining the grain composition and the grain composition curve, and further calculating the vertical line average grain composition, the section average grain composition and the section average particle size. According to the method, the particle analysis of the riverbed sediment can be accurately completed.

The present invention relates to the field of water control gates, and particularly to a water control gate for cleaning sediment. Existing water control gates will be eroded and worn by sediment particles, resulting in poor sealing effect of the water control gates, and it is difficult to clean the sediment adhering to the bottom of the ditch, resulting in poor sediment cleaning effect. A water control gate for cleaning sediment includes: a fixed frame with a sealing groove, a cover plate fixedly connected to the fixed frame, and a water retaining plate slidably connected in the sealing groove of the fixed frame. When the water retaining plate and the threaded rod move upward, they will drive the sliding frame to move upward. When the water retaining plate moves a certain distance to expose the diversion opening of the diversion ring, the water flow at the bottom of the ditch will drive the deposited sediment to flow when it reaches the other side of the water retaining plate, so that the flowing sediment passes through the diversion holes of the diversion ring. The diversion ring can protect the sealing groove of the fixed frame and the bottom of the water retaining plate, thereby enhancing the sealing effect between the fixed frame and the water retaining plate.

The present invention discloses a sediment interception and treatment system in a plain river network area, which includes a sediment interception tank arranged at the river connection point and the estuary, a conveying pipeline arranged along the river, a pneumatic pump, a treatment device, an automatic control system, and an estuary wetland system. The automatic control system includes a data center, a communication module, and water quality sensors and mud level sensors arranged in the sediment interception tank. The water quality sensors and mud level sensors are connected to the pneumatic pump through the data center via the communication module. The outlet of the treatment device is connected to the estuary wetland system. The sediment interception tank is formed by excavating the bottom sediment of the water body, and a support is arranged in the tank to support the communication module, water quality sensors, and mud level sensors. The present invention utilizes the characteristics of fine sediment particles, high water content, and large fluidity in the plain river network area to achieve automatic and rapid collection, in-depth treatment, and resource utilization of sediment from the river network to the estuary area, reduce the sediment and nutrient load entering the lake, and reduce the risk of eutrophication.

This invention belongs to the field of flash flood and debris flow disaster prevention and mitigation, and provides a method for simulating flash flood and debris flow processes based on rheological evolution characteristics. The method includes the following steps: establishing a generalized numerical model of the target channel; using a CFD-DEM coupled model to simulate the transport process of sediment particles in the generalized numerical model under the action of water flow or debris flow slurry; and, based on the semi-empirical relationship between the drag coefficient and Reynolds number of sediment particles carried by flash floods and debris flows, derived in this invention, realizing real-time adjustment of rheological parameters during the simulated flash flood and debris flow transport process through the bidirectional coupling mechanism of the CFD-DEM coupled model. This invention's method can more realistically simulate the spatial distribution of sediment particles during flash flood and debris flow transport, increasing the accuracy of flash flood and debris flow process simulation, and solving the problem that existing technologies struggle to simulate the rheological evolution phenomenon of flash floods and debris flows caused by changes in volumetric sediment content.

The invention discloses a suspended sediment transportation and reservoir desilting system, and relates to the technical field of hydraulic engineering, the system comprises an acoustic control array module used for forming an acoustic potential well in water above a reservoir bottom sludge layer to capture sediment particle groups in the reservoir bottom sludge layer; the sediment gathering and collecting module is used for collecting sediment particle groups and gathering the sediment particle groups at a sediment gathering target point to form slurry; the control unit is used for generating an acoustic potential well moving path based on the acoustic control array module position information, the reservoir bottom terrain and the sediment collection target point, and is used for controlling emission parameters of the acoustic control array module based on the acoustic potential well and the movement state of the sediment particle population and the concentration of the sediment particle population; according to the invention, non-contact, directional and collaborative transportation of sediment particle groups can be realized, and the sediment particle groups are orderly guided to a collection point, so that low-energy-consumption, low-disturbance, high-efficiency and intelligent dredging operation is realized.

The utility model discloses an anti-sedimentation structure of an intermediate tank, which comprises an intermediate tank body, a feed port and a discharge port are respectively arranged at the upper end and the lower end of the intermediate tank body, and the discharge port is connected with a liquid pump, and is characterized in that a guide plate is arranged on the inner side of the intermediate tank body, and the guide plate is used for guiding feed sediment particles to the discharge port; the upper side of the middle groove body is provided with a material receiving disc which is in butt joint with incoming materials of the feeding port, and the material receiving disc enables the precipitated particles to fall into the guide plate from one side of the material receiving disc by means of incoming material impulsive force; according to the utility model, the sedimentation can be prevented in a manner of low energy consumption and smaller occupied space, and the stable operation of the system can be guaranteed.

The invention discloses a device and method suitable for simulating the whole process of flocculation and sedimentation of sediment particles in a reservoir area, and belongs to the technical field of flocculation and sedimentation simulation. The device comprises a sediment uniform mixing device, a flocculation generator and a flocculation observation chamber; the silt uniform mixing device is located beside the flocculation generator, the flocculation generator comprises an inner cylinder and an outer cylinder, a water inlet is formed in the top of the flocculation generator, and the inner cylinder is driven by a motor to form water flow between the two cylinders; the flocculation observation chamber is located below the flocculation generator, a separation opening is formed in the top of the flocculation observation chamber, a water drainage opening is formed in the bottom of the flocculation observation chamber, a black background curtain is arranged on the inner wall of the back plate side of the flocculation observation chamber, a laser transmitter is arranged outside the flocculation observation chamber, and a CCD camera is arranged outside the flocculation observation chamber and used for observing the sedimentation process of floccules. According to the invention, the whole process from generation, development to sedimentation of the flocculating constituent is free from disturbance, quantitative simulation and observation can be realized, and a theoretical support is provided for research of reservoir sediment sedimentation and analysis of influence factors.

The application discloses a bridge scour simulation and boundary setting method for SPH water-sand two-phase flow, and comprises the following steps: model construction, including setting a bed sand layer area range and defining an inlet and outlet boundary area range; particle construction, including setting fluid particles and bed sand particles of a flow field area based on a multiphase flow theory, setting soil yield strength based on a HBP model and introducing a DP yield criterion, initializing inlet and outlet boundary particle parameters, setting particle type identification, and setting particle position identification; N-S control equation solving, obtaining corresponding flow force parameter results; entering a sediment solving module, including sediment particle conversion and viscosity updating calculation; entering an inlet and outlet boundary updating module, including inlet and outlet particle position retrieval, particle type conversion, and particle supplement and deletion; completing a calculation cycle and entering the next cycle; through secondary development based on the SPH multiphase flow theory, the application can realize numerical simulation of foundation local scour by applying the inlet and outlet boundaries to the multiphase flow model and introducing various structure and state models.

The invention discloses a wetland nitrogen cycle optimization method and system based on machine learning, and belongs to the technical field of ecological engineering.The method comprises the steps that according to a comprehensive environment data set, a transverse lateral infiltration path and a vertical priority flow path are recognized, spatio-temporal evolution simulation is conducted through a cellular automaton model, and a nitrogen migration path is constructed; analyzing the interaction between the water flow driving flux and the underground water level on the path resistance, and determining the broadening degree of the transverse lateral seepage path; if the widening degree exceeds a preset threshold value, integrating the water body turbulence intensity data and the flow velocity shear effect value, and obtaining a bubble escape rate and a surface sediment disturbance frequency; calculating the nitrogen saturation and the spatial distribution of the sediment particle suspension amount, and obtaining the total re-release flux through flux overlay analysis; and constructing a nitrogen loss flux model in combination with the fluctuation rule, simulating the change of the nitrogen loss proportion, and determining the net nitrogen loss flux. According to the invention, fine monitoring of the dynamic change of wetland nitrogen can be realized.

The invention discloses a filtering device for slowing down plume discharge of deep-sea mining tail water and a use method thereof.The filtering device comprises a water inlet pipeline, a water outlet pipeline, a filtering system and a filter residue treatment system used for storing filter residues and discharging the filter residues, and the filtering system comprises a filtering assembly; the filter assembly is arranged at the joint of the water inlet pipeline and the water outlet pipeline, the edge of the filter assembly extends into the filter residue treatment system, and the filter residue treatment system is communicated with the water inlet pipeline. According to the filtering device for slowing down plume discharge of deep-sea mining tail water, the filtering system is arranged between the water inlet pipeline and the water outlet pipeline, and the filter residue treatment system is arranged in a matched mode, so that solid-liquid separation can be effectively conducted on sediment particles and seawater, filtering and filter residue storage are synchronously conducted, discharge of the sediment particles is reduced, and the service life of the filtering device is prolonged. And plume formation can be effectively slowed down, and the influence on the marine environment is reduced.

The present invention relates to the field of image processing technology, and in particular to an automatic detection system for dirt anomalies of a ship cleaning robot. In each frame of a ship bottom image, the system first identifies impact pixels, and marks the rest as non-impact pixels. The distance from the non-impact pixel to the impact pixel is calculated to determine the pixel of silt particles. A window is constructed for each non-impact pixel, and the proportion of silt particles in the window is calculated. A window to be adjusted and a normal window are screened out. The density of silt particles at the edge pixels of the window to be adjusted is analyzed to determine the extended edge pixels and the extended edge. According to the proportion of silt particles in the window to be adjusted, the density of silt particles at the extended edge pixels, and the extended edge, the window to be adjusted is expanded to a normal window, and a normal ship bottom image is further obtained. Finally, the normal ship bottom image is used to clean the ship bottom. The present invention improves the accuracy of identifying dirt on the ship bottom by analyzing the grayscale values ​​of all pixels at each frame of the ship bottom image.

The invention discloses a multifunctional short section for sediment and brine discharge of a salt cavity. The multifunctional short section comprises a tool body, at least one group of bypass holes are formed in the side wall of the cavity of the tool body; a temporary blocking blocking piece, an inner sealing gasket, an outer sealing gasket and a pressing ring are arranged in the bypass hole, the temporary blocking blocking piece is arranged between the inner sealing gasket and the outer sealing gasket, and the pressing ring is detachably connected with the bypass hole and tightly presses the inner sealing gasket, the temporary blocking blocking piece and the outer sealing gasket. The temporary blocking separation blade is made of a soluble metal material, and the self-dissolving time of the temporary blocking separation blade in the brine environment is longer than the preset time. After the integrated pipe column is connected with the multifunctional short section, the integrated operation of drilling in the salt cavity sediment and discharging brine and expanding capacity can be implemented, and the working procedures are saved; the multifunctional short section can provide a good liquid inlet channel for brine and small-particle-size sediment particles in sediment, so that the brine in a salt cavity, especially the sediment, is discharged, efficient brine discharging in the sediment of the salt cavity is guaranteed, and effective utilization of sediment gap space and effective improvement of the gas storage capacity of the cavity are achieved.

The present invention relates to the technical field of sediment monitoring equipment, and discloses an online pipeline particle monitoring device based on the electrostatic principle, which solves the problem of low monitoring accuracy. The device comprises a sediment pipeline, wherein two boreholes are provided at the lower end of the sediment pipeline, a reversing pipe is provided at the bottom of each borehole, a water inlet pipe is provided at the bottom of the reversing pipe at the left end, a booster pump is fixed at the bottom of the water inlet pipe, a sediment particle electrostatic sensor is fixed at the right end of the booster pump, a telescopic tube is fixed at the right end of the sediment particle electrostatic sensor, an adapter tube is slidably connected to the outside of the telescopic tube, a water outlet pipe is fixed at the right end of the adapter tube, and a sampling tube is provided at the bottom of the water outlet pipe. Due to the electrostatic attraction effect, the present invention transmits the signal to a host computer after signal conditioning inside a fixing ring of the induction tube for online monitoring, and outputs an induced charge output amplitude change curve and a signal waveform diagram, thereby realizing real-time monitoring and ensuring the accuracy of monitoring.

The invention relates to a simulation method for sludge floc distribution and gyration radius based on a Langevin model, belongs to the technical field of molecular thermodynamic motion simulation, solves the problem that random motion of floc is difficult to accurately simulate in the prior art, and comprises the following steps: S1, obtaining parameters of silt particles in sludge floc, establishing a Langevin kinetic model of the sludge flocculation movement; s2, splitting the built Langevin kinetic model of the sludge flocculation movement into two subsystems; s3, dispersing the two subsystems to obtain numerical simulation values of the speed and the position of sediment particles in the floccules; step S4, obtaining numerical simulation of the sediment particle distribution density function of the floccules about time change, and taking the numerical simulation as long-time distribution density of the floccules; s5, obtaining the gyration radius of the floccules; and step S6, applying the obtained long-time distribution density and gyration radius of the floccules to a sewage treatment system and a water conservancy management system, and optimizing design and operation parameters of the system.

The invention provides an ancient coastal sand dam prediction method and device, equipment and a medium, and relates to the technical field of oil-gas exploration. Comprising the following steps: acquiring fluctuation data of an ancient landform in a region, wave mark parameters in sedimentary rock, sediment particle diameter and sediment density; according to the fluctuation data of the ancient landform, determining the gradient of the ancient landform of the region; determining the sedimentary paleo-water depth according to the wave mark parameter, the sediment particle diameter and the sediment density in the sedimentary rock; and the thickness of the ancient coastal sand dam is determined according to the paleo-terrain gradient and the sedimentary paleo-water depth. According to the method, the thickness of the paleo-coastal sand dam is determined by analyzing the paleo-terrain gradient and the sedimentary paleo-water depth in the area, the potential reservoir in the area is rapidly identified in the early stage of exploration, and a basis is provided for well drilling deployment.

The application relates to the technical field of salt rock underground storage, in particular to a salt rock storage water-soluble cavity sediment accumulation angle prediction method. The method comprises the following steps: preparing at least four groups of sediment samples according to different particle sizes; obtaining average particle parameters and average accumulation angles of the sediment samples; obtaining an initial prediction formula of the accumulation angle, wherein the initial prediction formula of the accumulation angle comprises four prediction parameters; calculating the prediction parameters according to the average particle parameters and the average accumulation angles, and determining an accumulation angle prediction formula, so as to realize the prediction of the sediment accumulation angle. The application solves the problems that the sediment particle accumulation angle is not easy to measure and is not accurately measured, improves the transparency of the underground sediment particle accumulation, and can be used not only for analyzing the dynamic accumulation angle change process of the salt cavity bottom sediment particles in the water-soluble cavity forming process, but also for predicting the sediment accumulation situation at the bottom of the unexplored salt cave.

A production apparatus for a shaped body containing sedimenting particles and a method for producing a shaped body containing sedimenting particles that can continuously mass-produce shaped bodies containing a fixed amount of sedimenting particles. A production apparatus for a shaped body containing sedimenting particles, the apparatus being provided with an ejection head that ejects a liquid containing sedimenting particles, as a liquid droplet, onto a droplet landing element, and a supply apparatus that supplies the liquid to the ejection head, wherein the supply apparatus includes a storage module that extends in a direction transverse to the vertical direction and that stores the liquid, a supply module that supplies the liquid in the storage module from one end in a central axis direction of the storage module, and an agitation unit that rotates the storage module in a circumferential direction about the central axis of the storage module to agitate the liquid inside the storage module.

The invention belongs to the technical field of household appliances, and discloses washing equipment and a control method thereof.The washing equipment comprises an outer box body, an outer barrel, a washing barrel and a silt collecting device, and the outer barrel is arranged in the outer box body in a swinging mode; the washing barrel is rotatably arranged in the outer barrel, and the rotating axis of the washing barrel does not coincide with the swinging axis of the outer barrel; the sediment collecting device is detachably arranged in the outer barrel and located at the lowest point in the swinging process of the outer barrel. In the washing process, the washing barrel rotates in the outer barrel, meanwhile, the outer barrel swings in a reciprocating mode in the outer box body, washed objects in the washing barrel are turned over by an angle, all-directional washing is achieved, silt is gathered to the lowest point in the washing process and collected through the silt collecting device at the lowest point, the silt in the equipment is effectively removed, and the washing ratio is increased. According to the control method, the sediment amount is obtained by detecting the sediment particles and the sediment weight in the washing process and after washing is finished, the sediment is cleaned in time, and the use experience feeling is improved.

The utility model relates to collecting device technical field especially, it relates to a sediment interface water in situ collection device with prevent blocking microfiltration head. The utility model provides such a sediment interface water in situ collection device with prevent blocking microfiltration head, including cylinder, water outlet pipe, valve, screen, threaded block, first suspension ball, counterweight, motor and rotating frame, the cylinder is hollow column, and its upper portion outside is spaced apart and is equipped with a plurality of water inlets along the circumference, and the lower left side of cylinder is connected and is communicated with water outlet pipe, and the valve is installed on water outlet pipe, and the screen is detachably connected with the upper side in the cylinder. Through screen filtration sampling water, effectively block sediment particle and macromolecular impurity, cooperate motor drive's rotating frame, can remove flocculent pollutant, biological membrane etc. blocking object on the surface of screen in real time, solve the problem that traditional screen is easy to block.