118 results about "Sand sample" patented technology

The invention provides a judgment reagent and a judgment method for flocculant residues in washed sand. The judgment reagent comprises the following components in parts by mass: 2-10 parts of a masking agent, 3-6 parts of activated carbon, 15-30 parts of a buffer solution, 1-5 parts of a chromogenic reagent and 30-60 parts of a competitive reaction solution, the judgment method comprises the following steps: taking a sand washing sample, adding water, stirring, sequentially adding the masking agent, the activated carbon, the buffer solution, the color developing reagent and the competitive reaction solution, and judging the flocculant residue by observing whether precipitate is generated or the color is changed. The device has the advantages of rapidness, portability, economy and easiness in operation, and is suitable for field use.

The invention provides a detection method for rapidly judging flocculant residues in washed sand, and belongs to the technical field of scientific detection of building materials. The detection method comprises the following steps: taking a to-be-detected sand sample, washing off particles less than 0.075 mm, adding water into the residual sand sample, stirring to obtain a sand suspension, determining the time T1 when the turbidity value is 50NTU, taking another to-be-detected sand sample, putting the to-be-detected sand sample into water, stirring to obtain a to-be-detected sand suspension, determining the time T2 when the turbidity value is 50NTU, when T2 is less than or equal to 0.8 T1, determining that the flocculant residue in the to-be-detected sand sample is excessive, and when T2 is less than or equal to 0.8 T1, determining that the flocculant residue in the to-be-detected sand sample is less than or equal to 0.075 mm. The raw materials cannot be used in concrete preparation; and when T2 is greater than 0.8 T1, determining that the flocculant residue in the to-be-detected sand sample is less, and the to-be-detected sand sample can be used as a raw material in concrete preparation. From the perspective of time saving and convenience, the provided detection method is simple and reliable.

The invention relates to the technical field of earthquake gravel testing, and discloses a sandy soil reliquefaction characteristic testing device and a testing method thereof.The sandy soil reliquefaction characteristic testing device comprises a vibration table, a box body, a compression assembly, a detection assembly, a development assembly and a computer unit; the box body is arranged above the vibration table, the box body is made of a transparent material, the box body is connected with the vibration table, and a saturated sand sample is arranged in the box body; the compression assembly is arranged in the box body, and the compression assembly is located above the saturated sand sample; the detection assembly is arranged in the box body and used for monitoring liquefaction of the saturated sand sample, and the detection assembly comprises a pore water pressure sensor arranged in the saturated sand sample; the developing assembly is arranged outside the box body; the computer unit is electrically connected with the detection assembly and the imaging assembly. According to the invention, through a technical closed loop of cyclic loading control-mesoscopic imaging-data synchronous analysis, full-period and multi-scale observation of the reliquefaction characteristic of the sandy soil under the action of repeated earthquakes is realized.

The invention discloses a device for simulating migration of pollutants under mining and tidal conditions. The device comprises an aquifer loading tank, a pollution tank simulation pollution source and a plastic pipe simulation pumping well are arranged in the tank; the left side and the right side of the aquifer loading groove are divided into a salt water chamber and a fresh water chamber by acrylic plates with seepage holes; the same constant water head device is arranged in the salt-fresh water chamber; and a tide device is arranged on the salt water chamber to simulate the tidal effect of seawater. The positions of the pollution tank and the pumping well are not fixed and can be adjusted; a plurality of salinity concentration monitoring devices are arranged on the rear side of the aquifer loading groove; the inhomogeneous medium of the coastal zone aquifer is simulated by filling the aquifer loading groove with sand samples in a layered manner, so that seawater invasion is simulated. The device can simulate the migration of pollutants in the aquifer under different tide conditions and exploitation conditions, monitor the concentration change of the pollutants and the water pressure change of each part in the horizontal direction in real time, and can simulate the migration situation of the pollutants under the combined action of tide coupling underground water exploitation.

The invention discloses a microorganism solidification inclined deposition surface sandy soil hollow cylinder sample preparation device and a use method. The sample preparation device comprises a hollow cylinder mold and a supporting pedestal for the hollow cylinder mold to rotate. One end of the hollow cylindrical mold can be lifted to a proper angle through a supporting rod with threads and a U-shaped hoop which are arranged on a supporting pedestal, so that a deposition surface inclined at any angle of a sample is vertical to the ground; a peristaltic pump is connected with a grouting channel distributed on the inner cylinder, and grout is input into the hollow cylindrical sample. Slurry can flow along the deposition surface under the action of gravity, the phenomenon that microorganisms are preferentially attached to the area close to the grouting hole is weakened while the grouting efficiency is improved, disturbance of slurry flowing to the inclined deposition surface of the sample is reduced, and the problems that a traditional grouting method is low in efficiency and large in disturbance to the sandy soil sample on the inclined deposition surface are solved. Therefore, the stability of the inclined deposition surface of the sample is ensured, and the preparation quality and test result reliability of the microorganism solidification inclined deposition surface sample are improved.

The utility model relates to the technical field of continuous sand collection detection, and particularly discloses a continuous sand dust collection detector which comprises a collection assembly, a detection storage assembly and a base mounting assembly which are mechanically connected in sequence from top to bottom, the collecting assembly, the flow guiding assembly, the connecting assembly and the detecting and storing assembly are sequentially connected through pipelines. The flow guide assembly and the detection and storage assembly respectively comprise a suction fan for flow guide to form a double flow guide structure; wherein the collecting assembly used for alternately collecting sand is of a drum type structure, a rolling body of the collecting assembly is formed by connecting n semi-closed independent cavity structures, and each independent cavity structure is provided with a dust inlet matched with an air inlet formed in a drum shell of the collecting assembly for use. According to the utility model, through a sampling mode that the motor is driven to rotate a plurality of collecting boxes, a multiple-time, small-amount and continuous sampling method is realized, so that the accuracy of a later sand and dust sample is ensured, and meanwhile, through the arrangement of a double flow guide structure, the collection loss is less, the error is smaller, and the result is more accurate.

The invention discloses a sediment starting flow velocity measuring device based on trapezoidal groove distribution characteristics, and belongs to the field of sediment starting flow velocity measurement. The device comprises a trapezoidal groove, a guide rail, a laser section plotter, a point type current meter and an annular water tank, the trapezoid-shaped groove is erected in an annular water tank test area, a guide rail is erected on the side wall of the water tank, and the laser section plotter and the point type current meter are erected above the trapezoid-shaped groove through the guide rail and can move through the guide rail; water flow enters from the wide end of the trapezoid-shaped groove and flows towards the narrow end, and the flow speed is gradually increased along with gradual decreasing of the groove width. A test sand sample is laid in the trapezoid-shaped groove, the elevation change of the sand sample is monitored through a laser section plotter, an elevation mutation feature point is a feature mutation point for converting static sediment into starting sediment, and the starting flow velocity of the sand sample can be obtained by obtaining the typical flow velocity of the feature point through a point type flow velocity meter.

The invention discloses a multispectral photoelectric sand meter signal fusion and sand content calculation method and system. The method comprises the following steps: collecting multiple groups of different sand contents, photoelectric signal data of a multispectral photoelectric sand meter, corresponding sand content data, temperature data and water depth data; preprocessing the original photoelectric signal; performing feature extraction on the curve of each column of processed signal values changing along with the sand content; performing curve fusion; an improved particle swarm optimization algorithm is adopted to automatically optimize the positions of segment points and the polynomial order of fitting of each segment, and the function relation between the fusion value of each curve signal and the sand content in the standard environment is subjected to segment fitting; in a field test environment, temperature and water depth compensation is carried out on the signal values, and a sand content value corresponding to the test sand sample is reversely solved by utilizing different signal data based on a function relationship; sand content data is manually measured by combining with a field sand sample, and a sand content result of the sand meter is dynamically corrected by scattering reference light of different wavebands. According to the invention, rapid output and correction of the sand content of the to-be-measured liquid can be realized.

The invention provides a method for positioning the same particle before and after gold leaching, and belongs to the technical field of particle positioning analysis. According to the method, the heavy sand sample is obtained through manual reselection; removing sulfide to obtain a gold mineral monomer; uniformly mixing the resin 1, the curing agent 1, gangue mineral particles and different pigments, and respectively adding the mixture into grinding tools with different shapes; after the resin is cured, gold minerals are selected to be placed in molds of different shapes; and uniformly mixing the resin 2 and the curing agent 2, adding the mixture into a mold, grinding and polishing to obtain exposed gold mineral monomer particles, and observing the surface phenomena before and after gold leaching under a stereomicroscope and a scanning electron microscope through different colors and shapes respectively for experimental research on the gold leaching effect of the gold leaching agent. According to the method, gangue mineral particles with different colors are introduced into the resin, so that the same gold mineral can be found more quickly after each test, the phenomena presented before and after leaching of the gold mineral are detected, and the method has guiding significance on experimental research of the gold leaching agent.

The invention relates to the related technical field of sand sample drying treatment equipment, and discloses geological exploration sand sample screening treatment equipment which comprises a sand sample treatment rack, a treatment carrying groove is formed in the right side of the sand sample treatment rack, a screening drying mechanism is rotationally installed on the upper side of the treatment carrying groove, and the screening drying mechanism comprises a screening drying box. A box body end cover is rotatably mounted at the top of the screening drying box, a screening drying cavity is formed in the screening drying box, a heat insulation carrying layer is fixedly mounted on the inner wall of the screening drying cavity in an embedded mode, and a drying control mechanism, a drying treatment mechanism and a screening treatment mechanism are mounted in the screening drying cavity from bottom to top; according to the geological exploration sand sample screening treatment equipment, efficient screening treatment and feeding for drying treatment can be achieved, and meanwhile the more efficient sand sample drying function can be achieved.

The invention discloses a heterogeneous water-containing medium physical model construction and verification method, and belongs to the technical field of underground water flow and pollutant transport rules. The method comprises the steps of setting a simulation model; sand samples are collected on site for permeability coefficient determination, and a mean value and a variance are calculated; generating a gridding permeability coefficient field based on a direct Fourier transform algorithm; accurately filling quartz sand in a simulation device according to the parameter field to form an initial physical model; a three-in-one verification system of physical experiment-ERT in-situ monitoring-numerical simulation is adopted for verification and correction, and finally a physical model capable of truly reproducing field heterogeneous characteristics is constructed. Compared with a traditional method adopting a simple lenticular body to approximate heterogeneity, the method is more suitable for the space variability of the actual underground water-containing medium. According to the three-in-one verification system provided by the invention, multi-dimensional verification of model precision is realized, and a new technical normal form is provided for research on a migration mechanism of pollutants in a heterogeneous medium.

The invention provides a multi-temporal-spatial-scale river sediment tracing method, and relates to the field of geomorphology and river dynamics. According to the method, light release light (OLS) samples of terraces and floodplains and zircon sand samples of corresponding layers are collected on the sections of a source (branch) and a sink (main stream), and different age sequences are divided in combination with contemporary zircon sand samples of a tender beach; the contribution rate of a source to a sink is directly calculated by using a zircon age spectrum matrix, and a quality contribution rate algorithm is optimized in combination with a zircon mass percentage. According to the method, contemporary and historical multi-time-scale sediment traceability is realized, the traditional fitting simulation process is simplified, the calculation efficiency and accuracy are improved, and the method is suitable for sediment source analysis in areas poor in data.

The invention relates to the technical field of bed sand sample collection, and discloses a riverbed sand sample collection method, which comprises the following steps: connecting a rope with a connector, lifting the rope to keep a sand excavation cylinder in a longitudinal arrangement state, enabling the sand excavation cylinder to fall into a water body from top to bottom, and enabling the water body to enter a sand excavation cavity through a water permeable hole until the whole sand excavation cylinder is submerged into the water body; the sand excavation cavity is filled with water; the sand excavation barrel continues to be put down in the water body until the bottom plate abuts against the riverbed, then the rope is put down by a set length so that the sand excavation barrel can fall down to be in a horizontal shape, and the two balance weight levers can automatically rotate and be adjusted so that the two balance weight levers can abut against the riverbed; after the sand excavation barrel is kept standing in a horizontal state for a set time, the rope is pulled to drive the sand excavation barrel to move, the sand excavation opening is downwards and obliquely inserted under the balance weight effect of the balance weight rod, and sand on a riverbed enters the sand excavation cavity through the sand excavation opening; after the sand excavation cylinder is pulled by the rope to move by a set distance, the rope is lifted to lift the sand excavation cylinder out of the water body, and sand sample collection is completed.

The invention relates to a classification method of fully strong weathered granite. The method is suitable for the technical fields of solid waste utilization and ore processing. The technical problem to be solved by the invention is to provide the classification method for the fully strong weathered granite. According to the technical scheme, the classification method for the fully strong weathered granite comprises the steps that the washing difficulty index of a granite sample is determined based on the clay mineral content and the elutriation rate of the granite sample; determining a harmful substance content index of the granite sample based on the harmful substance content of the granite sample; determining the product quality index of the granite sample based on the crushing values of the sand samples of multiple particle sizes screened from the granite sample; based on the washing difficulty index, the harmful substance content index and the product quality index of the granite sample, classifying the granite sample in combination with a preset sample classification rule; and based on granite sample classification, in combination with a preset classification process suggestion library, determining a process suggestion for the granite sample.

The application discloses a kind of foam fluid inhibits soil body permeability damage test device and its test method, the device includes main structure, variable head control unit, pore pressure monitoring unit, computer analysis unit, foam fluid injection unit, foam fluid injection unit includes liquid input module, gas input module, foam generator, liquid input module and gas input module are connected with foam generator, and foam generator output end is connected with main structure;The test method includes assembling device, fills sand sample in sand tank, and carries out test by injecting foam fluid into sand tank;Water head is promoted gradually, and after seepage is stabilized, next stage water head test is carried out, and the change process of the permeability damage area of sand sample top surface and the change of foam fluid occurrence range are recorded, and pore pressure monitoring unit is used to monitor the pore pressure in sand sample in real time, when permeability damage area and water inlet chamber are connected, stop test.The application can be used to verify and evaluate the effect of foam fluid inhibiting soil body permeability damage.

The invention discloses a liquid pulse type water area sand source investigation device and method, and belongs to the field of water engineering sand source investigation. The device comprises a hull structure, a supporting structure, a pipeline structure, a drilling structure and a control system, the drilling structure is driven by multiple strands of independent water flow pulses to vertically penetrate into a sand layer, and an integrated sensor collects sand source mechanical parameters (end resistance, side resistance and pore water pressure) in real time and synchronously recovers a sand sample. The computer control center dynamically adjusts the water flow pulse pressure by collecting drilling structure perpendicularity parameters in real time through the integrated sensor, drilling perpendicularity closed-loop control is achieved, and sand source investigation can be completed without casing running. The problems that traditional drilling depends on a sleeve, an operation window is narrow and labor cost is high are solved, and the method has the advantages of accurate positioning, efficient operation and digital intelligent control and is suitable for various water area sand source investigation scenes.

The invention relates to the technical field of experimental equipment, in particular to equipment for preparing sandy soil samples with different water contents, which comprises a compression rod device, a sealing cylinder assembly and a pressurizing device, a cylindrical sealing cavity is formed in the sealing barrel, the sealing film and the sealing cavity are coaxially arranged, an annular confining pressure cavity is formed between the sealing film and the inner circumferential wall of the sealing cavity, a confining pressure assembly communicated with the confining pressure cavity is arranged on the outer circumferential wall of the sealing barrel, and the confining pressure assembly is used for introducing pressure liquid into the confining pressure cavity; the compression rod device comprises an upper compression rod and a lower compression rod, the compression rod device further comprises a water injection assembly communicated with the sample cavity, the water injection assembly can inject liquid into the sample cavity, and the pressurizing device is used for pushing at least one of the upper compression rod and the lower compression rod to be close to the other one. Therefore, the problems that the operation is complicated in the process of sand samples with different water contents and the water contents of the samples are reduced in the process of transferring the manufactured samples to experimental equipment are solved.

The invention relates to a machine-made sand online detection system, and belongs to the technical field of concrete detection, the machine-made sand online detection system comprises a sampling module, a weighing module, a screening and drying module, an image acquisition module and an analysis module, the sampling module is used for taking a machine-made sand sample from a production line and sequentially putting the sample into the weighing module and the screening and drying module; the screening and drying module comprises a dispersing pipe, an air blower, a heating machine and a screening channel, the air blower is used for supplying air pressure in the radial direction of the dispersing pipe, the heating machine is used for heating the dispersing pipe and the air blower, and the screening channel is arranged on the other side, located on the air blower, of the dispersing pipe; the air blower is used for blowing dust in the dispersion pipe into the screening channel, and the air blower is used for being matched with the heating machine to dry a sample in the dispersion pipe; the method has the advantage of being high in efficiency.

The utility model discloses a sand sample screening machine which comprises a bottom frame, screening assemblies are arranged on the top of the bottom frame, auxiliary assemblies are arranged between the screening assemblies, outer side plates are fixedly installed on the outer side of the bottom frame, supporting columns are fixedly installed between the upper outer side plate and the lower outer side plate, and each screening assembly comprises a screen and a bottom plate. The outer sides of the limiting rods are connected with racks in a sliding mode, and connecting blocks are fixedly installed between the racks and the corresponding outer buckets. According to the sand sample screening machine, front-back movement of a rack can be achieved through cooperation of reciprocating rotation of a gear and a limiting rod, front-back reciprocating movement of a screen is achieved through front-back movement of the rack, and sand above the screen can be screened through front-back reciprocating movement of the screen; and the sandy soil can be subjected to multi-stage classified screening through a plurality of screen meshes of which the apertures are sequentially reduced up and down, so that the purposes of convenience and higher efficiency of classified screening are achieved.

This invention discloses a measurement system and method suitable for measuring the sand-fixing capacity of vegetation roots in the field, comprising: a sample lifting device, a field module, a measurement module, a sand sample crushing device, and an integrated control system. This invention can simultaneously achieve real-time and high-precision monitoring of data such as sand content and flow velocity during experiments. It quantifies and analyzes the sand-fixing capacity of vegetation roots through parameters such as soil erosion rate and critical initiation velocity of soil sediment, making it particularly suitable for determining the sand-fixing capacity of vegetation roots in coastal areas.

The utility model relates to artificial sand mud content detection technical field, and disclose a kind of artificial sand mud content detection device, including machine body, and for containing sand sample beaker, still include: rotation connection on the stirring shaft of machine body, hollow formation water inlet channel in stirring shaft inside, the side wall of bottom is equipped with the water outlet hole of intercommunication water inlet channel;Lifting connection on the base of machine body, for driving beaker to stirring shaft close or away;At least one water suction pipe, fixedly connected on the machine body, water suction pipe bottom extends into beaker, and water suction pipe water inlet end detachably connected with filter screen, filter screen is located in the side of water outlet hole;The utility model is through lifting base to facilitate beaker to dismount, hollow stirring shaft water injection cooperation side filter screen, utilize water flow scouring anti-blocking, ensure that drainage is smooth, and integrated water supply and water suction component realize automatic elutriation, replace manual operation, significantly improve detection efficiency and result accuracy, satisfy large quantities engineering detection demand.

The invention discloses a traceability analysis system for a river sediment source in a cold highland area, and belongs to the technical field of sediment traceability. Comprising a data acquisition module, a sediment fingerprint database building module, a source region identification model building module, a sediment source inversion module, a space-time thermodynamic diagram generation module and a visual display module. And the sediment source inversion module is used for carrying out source contribution rate inversion on sediment samples collected by the target river section, the inversion method adopts a non-negative least square method, the feature vectors of the target samples are fitted on the feature vectors of all the source areas in the fingerprint database, and the contribution proportion of each source area to the samples is calculated. The method does not depend on initial artificial point distribution or physical marking of a field source area, a source area fingerprint database is constructed based on natural fingerprint characteristics of sediment, a passive, non-interference and traceable traceability identification mode is achieved, and the method is suitable for application requirements under extreme terrains and seasonal freeze-up restrictions in cold and cold mountainous areas.

The invention discloses a method for predicting sand mechanical response based on state parameters, which comprises the following steps: firstly, establishing an e-p'plane traditional critical state line equation, defining sample state parameters and establishing the equation, measuring parameters by adopting a physical filling test method, performing Min-Max normalization on related equation parameters, and calculating the sand mechanical response according to the Min-Max normalization. And obtaining a unified critical state line equation and a normalized state parameter equation of the sample. The method comprises the following steps: selecting four sandy soil samples to carry out a triaxial test, determining and normalizing critical state data, and finally, establishing a mechanical response prediction model under drainage and non-drainage conditions by utilizing normalized state parameters of the samples and combining a critical state soil mechanics theory. The mechanical properties of the sandy soil with different particle shapes are predicted by using normalized state parameters, and the defects in the prior art are overcome.

The utility model discloses a division device for building sand samples, which relates to the technical field of building sand tests and comprises a fixing shaft, a cylinder rotatably connected to the outer side of the fixing shaft, a rotating handle fixedly connected to the outer wall of the cylinder, a plurality of sand outlet doors fixedly mounted on the bottom surface of the cylinder, and a first clamping groove, a second clamping groove and a third clamping groove sequentially formed in the inner surfaces of the sand outlet doors. The clamping groove I, the clamping groove II and the clamping groove III are respectively and correspondingly clamped with a circular baffle I, a circular baffle II and a circular baffle III, and the tops of the cylinder, the circular baffle I, the circular baffle II and the circular baffle III are respectively clamped with a divider I, a divider II, a divider III and a divider IV which are used for dividing a sand sample into equal parts. According to the utility model, simple and repeated manual division is replaced by a mechanical device, so that the workload and the labor intensity of testers can be reduced; in addition, the working efficiency of sand sample division and the precision of a sand sample division test can be improved.

The present invention relates to the field of image analysis technology and discloses a method for analyzing particle aggregate images. The method comprises obtaining a silica sand sample and constructing a 12-bit superimposed image. The 12-bit superimposed image is then converted into a 16-bit projection image and denoised. The 12-bit superimposed image is then converted into an 8-bit grayscale slice image, and the height and width of the 8-bit grayscale slice image are obtained. The maximum size of the particles in the image is then obtained using prior knowledge. The partitioning parameters are calculated based on the maximum available computing memory of the computer. The image is then divided into n The method comprises the following steps: first, a sub-region is formed, and the relevant computing power and memory requirements are calculated; then, a local coordinate system is established in the sub-region, the particle morphological parameters are calculated, and incomplete and duplicate particles are eliminated; finally, the valid particle morphological parameters are sorted according to the pixel ID numbering principle to generate a sorted image. The present invention solves the problem that the existing technology causes inaccurate segmentation due to particle adhesion and overlap, which affects the accuracy of counting, measurement and morphological analysis.

The present application relates to experimental equipment technical field, specifically, it is different to prepare equipment of sand sample of moisture content, including: compression rod device, sealing cylinder subassembly and pressurizing device, the sealing cavity of cylindrical is arranged in the sealing cylinder, the sealing membrane is arranged coaxially with the sealing cavity, and the annular surrounding pressure cavity is arranged between the inner peripheral wall of the sealing cavity, the outer peripheral wall of the sealing cylinder is provided with the surrounding pressure subassembly that communicates with the surrounding pressure cavity, and the surrounding pressure subassembly is used to pass into the pressure liquid in the surrounding pressure cavity, the compression rod device includes upper compression rod and lower compression rod, and the compression rod device further includes the water injection assembly that communicates with the sample cavity, the water injection assembly can inject liquid into the sample cavity, and the pressurizing device is used to push at least one of upper compression rod and lower compression rod to another close to each other, so as to solve the problem that the moisture content of sample decreases in the process of different moisture content sand sample and the process of transferring the sample prepared to the experimental equipment.

The utility model discloses a calcareous sand saturation device for a triaxial test, and relates to the technical field of indoor geotechnical tests of geotechnical engineering. The device comprises a supporting sample bearing structure, a sealing sample preparation structure, a hydraulic pneumatic structure and a gas-liquid supply structure. The supporting sample bearing structure consists of a base, a sliding rod, an upper sliding table, a lower sliding table and a top table; the sealed sample preparation structure comprises a sealing assembly and a sample preparation assembly; the hydraulic pneumatic structure comprises a hydraulic assembly and a pneumatic assembly and is used for controlling lifting of the sliding table and pressure maintaining and air exhausting of the sealing assembly. The gas-liquid supply structure provides CO2 gas and gas-free water for sample saturation and discharges redundant gas and liquid. According to the utility model, through the lifting type sealing assembly structure and the stepped sealing design, and the sequential action of the negative pressure pump, carbon dioxide gas and gas-free water, air in a calcareous sand sample is effectively discharged, a highly saturated state is quickly achieved, the accuracy of a subsequent triaxial test result is remarkably improved, and the test efficiency is improved. The sealing performance is excellent, the operation is simple, and the structure is stable.

According to the automatic detection unmanned experimental device for sand, various sand sample detection devices are integrated in the portable container, and the ground rail robot is combined to realize the linkage operation of automatic transmission and multi-item detection of samples, so that the automation level and the working efficiency of detection are greatly improved, and the dependence on manual operation is reduced. And meanwhile, the code scanner is combined with the man-machine interaction system, so that sample information is quickly and accurately input, and the traceability of detection data and the standardization of management are ensured. The whole equipment is compact in structure, convenient to transport and deploy on site, and particularly suitable for rapid detection of sand samples in complex environments such as construction sites or fields, and the technical problems that traditional sand sample detection equipment is tedious in operation, low in efficiency and difficult to realize on-site detection are effectively solved.

The invention relates to the technical field of water sample treatment, and discloses a water sample treatment device. Comprising a drying box, a guide rail is fixedly connected to the inner wall of the drying box, a bracket is slidably connected to the interior of the guide rail, a water collecting disc is fixedly connected to the upper surface of the bracket, a cup stand is connected to the interior of the water collecting disc in an embedded mode, and a filter paper container is connected to the upper surface of the cup stand in an embedded mode. The temperature of the drying box is set to the required temperature; circulating hot air is started; water-containing air is discharged outdoors through an exhaust pipeline; after the humidity in the box reaches a set value, the temperature is increased to the set temperature; taking out the weight of the sand sample, and recording and storing data. The device has the advantages of being short in work period, accurate in data, easy to operate, environmentally friendly, free of influences of environment temperature and humidity and capable of saving space.

The utility model relates to the technical field of experiment simulation devices, and discloses an electric field coupling type multi-well interference simulation experiment table which comprises a machine body, heat dissipation mechanisms are installed on the front side and the rear side of the inner wall of the machine body, the heat dissipation mechanisms are used for blowing air to dissipate heat of components in the machine body, and a compaction mechanism is installed in the middle of the top wall of the machine body. The compaction mechanism is used for compacting a detected sandy soil sample, and the guide mechanisms are mounted on the front side and the rear side of the interior of the machine body and used for guiding; the heat dissipation mechanism comprises a square block, and the square block is installed on the front side of the inner wall of the machine body. According to the utility model, the square block circularly moves along with the movement of the belt, so that the fan covers a wider area, the heat dissipation effect is improved, and the problems that the existing fan can only dissipate heat in the equipment in a single direction and cannot synchronously blow air to cool parts at different positions in the equipment, and the cooling effect is poor are solved. And high-temperature damage to the equipment is further caused.