96 results about "Uranium ore" patented technology

The invention discloses a radioactive measurement data processing method for improving uranium exploration efficiency. The method comprises the following steps: standardized data acquisition: integrating a multi-parameter module, carrying out time-space synchronous acquisition of geological geophysical environment parameters, standardizing protocol alignment data, and supporting three-dimensional modeling; a three-dimensional coupling model is used for processing interference in a sub-module mode, LiDAR-DEM is used for correcting gamma attenuation in the terrain, an optical fiber thermopermeability instrument is used for correcting daughter errors in the hydrology, signal attenuation of a borehole is compensated through a drilling fluid chart, and a space-time continuous interference field is formed; performing dynamic equilibrium coefficient inversion: constructing equilibrium coefficient isoparametric mapping, and inputting rock core, logging and geochemical data into a random forest model; the transfer learning is trained by using historical data, and dynamic inversion and updating of a new area are carried out; intelligent data processing three-dimensional visualization: self-adaptive denoising and spectral shape matching reinforcement abnormity are carried out; constructing a three-dimensional model, and carrying out transfer learning to optimize the precision; the WebGL platform integrates multi-parameter display, virtual drilling functions and high-dimensional data intuitive interpretation.

The invention discloses an argillaceous sandstone uranium ore leaching method and device based on a recyclable activation material, and relates to the technical field of uranium ore resource development. The preparation method of the recyclable activated material comprises the following steps: adding WS2 and Fe3O4 into an aqueous solution, uniformly stirring, adding a boron-containing compound, a fluorine-containing precursor aqueous solution and a nitrogen-oxygen-containing compound, uniformly stirring, heating, stirring for reaction, filtering, washing and drying to obtain a precursor; and calcining the precursor in a protective atmosphere to obtain F / O co-doped h-BN / WS2 / Fe3O4 which is used as a recoverable activation material. The obtained recoverable activated material has good catalytic performance, can be widely applied to preparation of a catalyst for leaching uranium from argillaceous sandstone uranium ore, and can generate strong turbulence, secondary circulation and near-wall shear force for high-viscosity ore pulp and efficiently excite the catalytic activity of a piezoelectric material in cooperation with the device provided by the invention.

The invention provides a uranium ore in-situ leaching solute transport regulation and control method and system based on three-dimensional geological modeling. According to the method, the high-frequency pressure data of the liquid injection well are obtained and combined with the three-dimensional geologic model to construct the permeability distribution field, and the abnormal high-pressure blocking coordinate set is extracted. Magnetic anomaly signals caused by iron ion concentration changes of the leaching agent are synchronously collected, the space gradient of the magnetic anomaly signals is converted into a solute transport trajectory diagram, and a solute diffusion lag map is constructed based on the trajectory diagram. And further extracting a lagging boundary coordinate set, and performing space matching with the abnormal high-voltage blocking coordinate set to generate a blocking retention incidence matrix. And dynamically adjusting a liquid injection well pressure gradient distribution strategy according to the matrix, and generating a pumping and injection flow adjusting instruction to inhibit a leaching dead angle. According to the technical scheme provided by the invention, the efficiency and precision of uranium ore in-situ leaching solute transport regulation and control can be improved.

An efficient multiphase-flow graded-separation, concentration, and purification system for argillaceous sandstone uranium ore includes a hydraulic tossing washing and scattering pretreatment device, a high-frequency linear vibration grading device, a first-stage multiphase-flow swirling grading device, an energy-gathering ultrasonic scrubbing device, a second-stage multiphase-flow swirling grading device, a high-frequency linear vibration dewatering device, an efficient uniform-mixing and activating system and a conditioning and pressing dewatering system. The present disclosure implements intensive mud-sand stripping of crushed argillaceous sandstone uranium ore, fine graded-separation of material, and efficient uniform-mixing and activating and deep efficient dewatering of fine-particle argillaceous material. Finally, four types of core material of coarse sand material, fine sand material, dry tailings residue and a high-concentration uranium ore leaching solution are formed through continuous work. Efficient multiphase-flow graded-separation, concentration and purification of the argillaceous sandstone uranium ore are implemented, and an intensive extraction rate of uranium ore resources is improved.

The invention discloses a method for in-situ leaching mining of sandstone uranium ore, the concentration of bicarbonate radical ions in ore bed water in the sandstone uranium ore is lower than 0.5 g / L, the sandstone uranium ore comprises yttrium-containing uranium ore, and the carbonate content is 1.5%-2.5%; the ore bed water serves as a solvent, 500 mL of leaching agents with different pH values adjusted through sulfuric acid are prepared, and the concentration of hydrogen peroxide in the leaching agents is 2 g / L; and determining the maximum pH value when the uranium ore in the slice sample is corroded by using the leaching agents with different pH values, and taking the maximum pH value as a critical pH value. The leaching agent with the critical pH value is used for exploiting the sandstone uranium ore, corrosion to gangue minerals in the leaching process can be reduced, the number of formed colloids and CaSO4 precipitates is reduced, the precipitates are prevented from blocking an ore bed, in addition, the method can be used for target corrosion of the refractory uranium ore, and therefore efficient leaching is achieved.

The invention provides an online diagnosis and repair method for a uranium mine gamma ray monitoring device, and the method comprises the steps: determining the respective counting rate correction values of a plurality of detectors based on the current working temperature of the uranium mine gamma ray monitoring device, a preset temperature compensation model, and the counting rate detection values of the plurality of detectors; based on the respective counting rate correction values of the plurality of detectors, the detection efficiency of each detector is determined, and the detection efficiency comprises static detection efficiency and dynamic detection efficiency; and if the detection efficiency of any first detector in the plurality of detectors is deviated from the detection efficiency of a specified second detector in the plurality of detectors, circuit parameters of the first detector are adjusted based on the deviation, so that the detection efficiency of the first detector after the circuit parameters are adjusted is consistent with the detection efficiency of the second detector. According to the technical scheme, the measurement precision and the detection efficiency of the uranium ore gamma ray monitoring device in continuous operation are improved, and the uranium ore sorting energy efficiency is improved.

The invention discloses a coal-uranium collaborative mining circulation supply mining system and an application method, and particularly relates to the technical field of coal-uranium mining and a geological institution.The geological institution comprises a surface layer, a uranium layer, a coal seam and underground runoff, the surface layer is located above the uranium layer, the uranium layer is located above the coal seam, and the underground runoff is located above the coal seam. The underground runoff is located between the surface layer and the uranium layer; and the ground mining mechanism comprises an injection well, an extraction well, a leaching solution preparation tank, a uranium comprehensive treatment bin, a liquid injection pump, a liquid extraction pump, a liquid injection pipe and a liquid extraction pipe. According to the method, partition isolation and staged collaborative proceeding of uranium mine in-situ leaching mining and coal mining are achieved by planning the barrier infiltration reduction mechanism, the overall recovery efficiency of uranium and coal resources is improved, the pollution risk of uranium-containing leachate discharge to the environment is reduced, underground water resources are fully recycled, and the method has the advantages of being environmentally friendly, efficient and safe.

The invention discloses a uranium separation and extraction method for hydrocarbon-containing sandstone uranium ore. According to the main technical scheme, a rock sample is pretreated to obtain a mixed ore sample, the mixed ore sample is loaded into a high-pressure column, a high-pressure kettle and a gas cylinder are prepared, an HCO3 <-> leaching solution is prepared in the high-pressure kettle, and the gas cylinder is filled with CO2 and O2 mixed gas; a gas cylinder, a high-pressure kettle and a high-pressure column are connected in series, and a uranium separation and extraction and petroleum hydrocarbon removal test device is constructed; introducing mixed gas into the high-pressure kettle by using a gas cylinder, and setting the gas pressure in the high-pressure kettle; starting the test device, injecting the HCO3 <-> leaching solution into the high-pressure column under the power provided by the gas pressure in the high-pressure kettle, starting to perform uranium separation and extraction on the mixed ore sample, and simultaneously removing hydrocarbon substances in the mixed ore sample. Uranium in the hydrocarbon-containing sandstone uranium ore is separated and extracted through CO2 + O2 + HCO3-synergistic leaching and pressure regulation and control, hydrocarbon substances are removed at the same time, interference of accumulation of the hydrocarbon substances on uranium separation and extraction is reduced, ore permeability is improved, and the problem of uranium leaching in the hydrocarbon-containing sandstone uranium ore is solved.

The application discloses a same-position integrated double neutron detector, a logging instrument and an application method, and belongs to the field of uranium ore exploration logging. The double neutron detector comprises first and second scintillation crystals which are both sensitive to thermal neutrons and are arranged in a face-to-face manner, a photoelectric converter and a supporting portion; the first and second scintillation crystals and the photoelectric converter are arranged along the same axis to form a detection portion which is read out by a common light path, and the supporting portion is fixedly arranged outside the detection portion and supports the detection portion to be an integral component; a slow moderation layer is arranged on the outer wall surface of the first scintillation crystal except the bonding area; the logging instrument is provided with the double neutron detector, and the first and second scintillation crystals are calibrated in the same thermal neutron field during application; the spatial consistency error is eliminated through the same-position design of the double scintillation crystals; the hardware structure of the detector electronics is simplified through the common light path reading out design; and the detector module is convenient to integrate.

This invention discloses a beneficiation method for iron, boron, and uranium minerals in uranium-boron iron ore, which has the following characteristics: 1. The three-stage closed-circuit crushing product is laminated and pulverized using a high-pressure roller mill, so that the -5mm particle size content in the crushed product is greater than 70%. By utilizing the technology of multiple crushing and less grinding, the energy consumption of beneficiation can be reduced and the grinding efficiency can be improved; 2. Iron concentrate is obtained by staged grinding and staged magnetic separation. The tailings of iron beneficiation, such as the tailings of coarse magnetic separation, primary magnetic separation, and secondary magnetic separation, are subjected to stepwise gravity separation to obtain uranium concentrate and boron concentrate in stages, thereby improving the recovery rate of B2O3 and U in the boron and uranium concentrates and comprehensively utilizing iron, boron, and uranium resources; 3. The uranium minerals in the iron beneficiation tailings are separated by a combination of Nelson centrifugal concentrator, shaking table, and suspended cone concentrator, thereby improving the U recovery rate in the uranium concentrate. The Nelson centrifugal concentrator can be used for roughing of uranium minerals, the suspended cone concentrator can recover fine-grained uranium minerals, and the shaking table can recover relatively coarse-grained uranium minerals.

The invention discloses a method for judging interlayer oxidation intensity of lower chalkbroth sandstone based on three-phase clay minerals, and relates to the technical field of uranium mine geological exploration. Obtaining a three-phase clay mineral combination index calculation formula; the calculation formula of the three-phase clay mineral combination index represents the relationship between the mineral content of the chalkline sandstone under the three-phase clay minerals and the three-phase clay mineral combination index; obtaining the content of illite, illite-montmorillonite mixed layer minerals and chlorite in the lower chalkbroth system sandstone sample, and substituting the content of illite, illite-montmorillonite mixed layer minerals and chlorite into a three-phase clay mineral combination index calculation formula to obtain the three-phase clay mineral combination index of the lower chalkbroth system sandstone sample; and determining the oxidation intensity category corresponding to the three-phase clay mineral combination index of the lower chalkbroth system sandstone sample as an oxidation intensity classification result of the lower chalkbroth system sandstone sample. The method can be used for accurately judging the interlayer oxidation intensity of the chalkbroth sandstone.

The invention relates to the technical field of uranium mine mining, in particular to a uranium mine underground stope uranium mining leaching method which comprises the steps that S1, a target uranium ore body is confirmed; s2, liquid distribution roadways and liquid distribution pipes are constructed, the multiple liquid distribution roadways are formed between a top plate of the target uranium ore body and the uranium ore layer, the trend of the liquid distribution roadways is consistent with the trend of the target uranium ore body, the liquid distribution pipes are installed in the liquid distribution roadways, and multiple liquid distribution holes facing the uranium ore layer are formed in the liquid distribution pipes; s3, a liquid collection system is constructed, and a liquid collection pool is formed between a bottom plate of the target uranium ore body and the uranium ore layer; s4, automatic control is configured and used for monitoring and adjusting the flow and pressure of the leachate entering the liquid distribution pipes in real time; and a second automatic control pipeline is communicated between the liquid collecting tank and the sedimentation tank. The uranium mining leaching method is suitable for a uranium mine underground stope, uranium ore does not need to be carried, the effect that the leachate circularly enters the uranium ore layer is achieved till the uranium-containing ion concentration in the leachate reaches the qualified leachate standard, and the uranium recovery rate is increased.

The application provides an injection and leaching integrated in-situ leaching uranium method, and belongs to the technical field of uranium mining, which is used for solving the problems of low leaching efficiency and poor economy of in-situ leaching uranium. The injection and leaching integrated in-situ leaching uranium method comprises the following steps: determining a well site arrangement mode through numerical simulation, and performing drilling operation of pumping wells according to the arrangement mode; determining an injection pressure according to a theoretical value and an actual value of a formation breakdown pressure; sequentially injecting carbon dioxide, water, oxygen and water into a first group of pumping wells; performing a soaking operation on the first group of pumping wells, and simultaneously performing an injection operation on a second group of pumping wells; performing a soaking operation on the second group of pumping wells, and simultaneously performing a pumping operation on the first group of pumping wells and an injection operation on a third group of pumping wells. The injection and leaching integrated in-situ leaching uranium method can improve production efficiency and recovery rate.

The invention discloses an argillaceous sandstone uranium ore particle size gradient grading method based on online particle size detection. The method comprises the following steps: ore crushing; first-stage rotational flow classification is carried out, and the classification cutting particle size is N1; scrubbing and stripping; second-stage rotational flow classification is carried out, and the classification cutting particle size is N2; on-line sampling and particle size detection are carried out at an overflow port of the first-stage swirling flow field and an overflow port of the second-stage swirling flow field, when particles larger than N2 are lower than M1, materials are conveyed to a fine ore pulp storage pool, otherwise, the materials return to a primary pulp pool or are scrubbed and stripped, and the pulp inlet pressure of a slurry pump is adjusted; on-line sampling and particle size detection are carried out at an underflow port of a second-stage swirling flow field, when particles smaller than N2 are smaller than M2, high-frequency linear dehydration is carried out after the materials are output, otherwise, scrubbing and stripping are carried out, and the slurry inlet pressure of a second-stage slurry pump and the size of the underflow port of the second-stage swirling flow field are adjusted. The online particle size detection in the mud sand gradient separation and grading process of the argillaceous sandstone uranium ore can be realized, a positive and negative feedback intelligent regulation and control system is coupled, input parameters in the technological process are intelligently optimized, and the grading and separation precision and quality are ensured.

The application discloses a high-pressure leaching system and a high-pressure leaching method based on carbon dioxide and oxygen. The high-pressure leaching system comprises a carbon dioxide injection device, a high-pressure oxygen injection device and a high-pressure liquid injection device. The carbon dioxide injection device is connected with a liquid injection pipeline through a carbon dioxide gas conveying pipeline and a liquid carbon dioxide conveying pipeline. One end of the liquid injection pipeline is connected with a water storage tank, and the other end of the liquid injection pipeline is connected with an injection well. The other ends of the carbon dioxide gas conveying pipeline and the liquid carbon dioxide conveying pipeline are connected with a liquid carbon dioxide storage tank. The high-pressure oxygen injection device comprises a high-pressure oxygen conveying pipeline. One end of the high-pressure oxygen conveying pipeline is connected with a liquid oxygen storage tank, and the other end of the high-pressure oxygen conveying pipeline is connected with the injection well. The high-pressure injection of gaseous or liquid carbon dioxide increases the acidity of underground water, accelerates the dissolution of minerals and the complexation of uranium. The high-pressure injection of oxygen can quickly oxidize uranium-containing minerals and reducing substances, and improve the leaching rate of uranium.

The invention belongs to the field of uranium ore resource mining, and particularly relates to a sandstone uranium ore rock boundary square meter uranium quantity optimization method and device. A traditional mining area mining design generally adopts a fixed boundary square meter uranium amount, considers a single target, and is difficult to adapt to complex and changeable geological conditions and economic environments. The method comprises the following steps: constructing a mining area multivariate information digital library by acquiring geological information of a sandstone uranium mine mining area; implicit interpolation reconstruction is carried out on the mining area multi-source information database to obtain a spatial geometric model, spatial constraint and spatial filtering are carried out, a spatial block model is obtained, geological parameters and economic parameters are further obtained, and an economic benefit and resource benefit coupling multi-target optimization model is achieved and iterative optimization is carried out. The device comprises a graphic display module, a scheme selection module, a parameter input module, an optimization model construction module, an optimization calculation module and a result visualization module. According to the method, boundary square meter uranium quantity optimization based on dynamic economy and resource double targets is realized, and the utilization rate of mineral resources is improved.

The embodiment of the invention relates to the field of detection by generating an electric field through a detection device, in particular to an electrode device suitable for uranium ore exploration. The device comprises a conductive assembly, an electrode and a water guide assembly, and the conductive assembly is arranged to be inserted into the ground of a to-be-explored area for uranium exploration and is arranged to guide current of an external power supply into the ground to form an electric field required by measurement; the electrode is arranged to be fixedly connected with the conductive assembly, the conductive assembly and the electrode are detachably arranged in the water guide assembly, and the water guide assembly is arranged to provide saturated salt water for an underground medium at a measurement position of a to-be-explored area so as to reduce the grounding resistance at the position. Through detachable connection of the conductive assembly, the electrode and the water guide assembly, exploration personnel can use the conductive assembly and the electrode to guide external current into the underground to form an electric field required by measurement, and then through the water guide assembly connected with the electric field, saturated salt water is provided for the underground and the resistance of a measured position is reduced, so that data obtained through measurement is more accurate.

The invention relates to the decontamination of radiation-contaminated lands with clay and loose soil, such as agricultural lands, as well as abandoned test sites, such as the Semipalatinsk test site and uranium quarries. In the method for decontaminating radioactively contaminated lands, which includes the introduction of a reagent, according to the invention, the area of ​​the land to be treated is filled with a 5-7 cm thick layer of KB3 grade barite concentrate containing at least 90% barium sulfate, or finely crushed barite-lead ore containing 70% barium sulfate and up to 1% lead sulfate, Then the land is ploughed using a heavy eight-body plow to a depth of at least 300 mm, turning over the soil layer and dumping it in an inverted position for the complete burial of the radioactively contaminated mass, after which the land is harrowed and reclaimed with the sowing of grass seeds. The developed method for decontaminating radioactively contaminated lands makes it possible to decontaminate lands over a large area and eliminates the need to extract fragments containing adsorbed radionuclides from the soil.

The invention discloses low-acid leaching equipment based on carbon dioxide phase change and a leaching method thereof, belongs to the technical field of uranium leaching and mining, and solves the problems that the existing corrosion effect is poor and an ideal leaching effect cannot be achieved. Low-acid leaching equipment based on carbon dioxide phase change comprises a CO2 adjusting device, an oxidizing solution preparation device and a leaching device, the leaching device is used for containing sandstone uranium ore, the CO2 adjusting device and the oxidizing solution preparation device are both connected with the leaching device, the CO2 adjusting device comprises a CO2 pressure adjusting unit and a CO2 temperature adjusting unit, and the CO2 pressure adjusting unit is connected with the oxidizing solution preparation device. The CO2 pressure adjusting unit and the CO2 temperature adjusting unit are connected in series and connected with the leaching device, so that the CO2 subjected to pressure and temperature adjustment and the oxidizing solution are discharged into the leaching device for uranium leaching, the corrosion effect is good, and uranium leaching is accelerated.

This invention provides a method for separating nickel-molybdenum-uranium ore through beneficiation and metallurgy, belonging to the field of beneficiation and metallurgical technology. The separation method provided by this invention includes the following steps: mixing nickel-molybdenum-uranium ore, a dispersant, an activator, an inhibitor, a collector, and a frother, followed by sequential frothing and flotation to obtain nickel-molybdenum concentrate and uranium-bearing tailings; subjecting the uranium-bearing tailings to acid leaching to obtain a leachate and tailings; adsorbing the leachate with a strongly basic anion exchange resin, followed by sequential solid-liquid separation, rinsing, and pH adjustment to obtain a uranium concentrate. Example results show that the recovery rates of nickel and molybdenum obtained by this invention are greater than 80%, the uranium leaching rate is greater than 96%, and the uranium recovery rate is greater than 91%.

The invention discloses a method and a device for characterizing uranium ores in low-grade uranium ores, belongs to the technical field of mineral analysis and testing, and solves the defects of a traditional low-grade uranium ore analysis and testing method. According to the method, the element concentration of each pixel on a low-grade uranium ore sample is obtained by using mu-XRF, and a single element concentration matrix is constructed; according to a test global element concentration mean value and a standard deviation of the low-grade uranium ore sample, calculating a threshold value of a global single element, and according to a single element concentration matrix and the threshold value, extracting a single element connected domain; identifying a high-value abnormal region based on the single-element concentration matrix and the single-element connected domain; and analyzing the high-value abnormal region of the low-grade uranium ore sample by using TIMA to obtain an analysis result of the low-grade uranium ore sample. Compared with a traditional artificial characterization method, the method is high in analysis speed, high in efficiency, high in automation degree and high in precision, and can provide more abundant analysis information.

The hydraulic uranium in-situ leaching well leaching solution multi-stage piston extraction method is applied to a hydraulic uranium in-situ leaching well leaching solution multi-stage piston extraction system; the hydraulic uranium in-situ leaching well leaching solution multi-stage piston extraction system comprises an extraction mechanism, a cable-pipe composite, a steel cable fixing frame, a winch, a water pump, a liquid storage pool and a hydraulic station. The method steps are as follows: S01, connecting and lowering the extraction mechanism; S02, pipeline connection and steel cable fixation; S03, extracting the in-situ leaching solution in the uranium in-situ leaching well. The present application is used for extracting the in-situ leaching solution under the deep water of the uranium in-situ leaching well, can meet the requirement of 6-10 m 3 / h of the liquid extraction flow, and has the advantages of large liquid extraction flow, relatively low power consumption and relatively low cost compared with the traditional deep water submersible pump when the water extraction depth is below 250 m.

The invention discloses a uranium ore leaching method and a uranium ore leaching device, and relates to the technical field of hydrometallurgy. The invention provides a novel multifunctional uranium leaching system which is characterized in that porous electrode plates and conductive liquid injection pipes are arranged at the two ends of a horizontal rotary reaction cabin, contact electrification is realized by means of an anode wire and a cathode wire, and a uranium trapping net in the horizontal rotary reaction cabin is filled with ion exchange resin; uranyl ions are enriched on the ion exchange resin under the action of an electric field. The uranium ore structure is destroyed through mechanical force, reaction sites are exposed, uranium element oxidation and dissolution are promoted through advanced oxidation, uranyl ion migration is promoted through an electric field, the advanced oxidation reaction efficiency is improved, uranyl ions driven by the electric field are adsorbed through ion exchange resin in real time, and the three forms a synergistic strengthening effect. The acid consumption is obviously reduced; and the leaching efficiency and the recovery rate of uranium are improved.

The invention belongs to the field of geological exploration, and particularly relates to a uranium ore hyperspectral detection device and method, and the device comprises a radioactive camera module which is used for carrying out the radioactive imaging measurement of a uranium ore sample; the light source module is used for providing a light source for the microscopic camera module and the hyperspectral camera module; the microscopic camera module is used for carrying out microscopic image acquisition on a specified small view field; the scanning module is used for carrying a radioactive camera, four imaging lenses and to-be-detected ore and driving the imaging lenses to perform two-dimensional motion so as to realize scanning; the hyperspectral camera module is used for shooting hyperspectral images of different wavebands; the radioactive camera module identifies radioactive abnormal information of a uranium ore sample and determines radioactive abnormal points or abnormal areas, and the scanning module drives the microscopic camera module and the hyperspectral camera module to perform hyperspectral imaging and microscopic image acquisition on the selected abnormal points or abnormal areas. According to the invention, accurate positioning of radioactivity abnormity and substance identification information can be realized.

The invention provides a multi-field coupling simulation method and system for blasting permeation-increasing in-situ leaching mining of sandstone uranium ore. According to the method, blasting drilling space coordinates, charge density data and ore body in-situ permeability data of a deep sandstone uranium ore are obtained, charge density and permeability are superposed to a three-dimensional space grid, and a blasting energy permeation coupling map is generated. And based on a region with an energy gradient change rate exceeding a threshold value in the atlas, marking the region as a signal target acquisition region, acquiring an elastic wave signal, extracting position coordinates of a fracture event and a vibration energy value from the elastic wave signal, and generating multi-field coupling state data through field coupling association. And the position of a high-permeability channel formed after blasting is further identified, a leaching liquid flow control instruction is generated accordingly, and dynamic regulation and control of a leaching liquid flow path are achieved. According to the technical scheme provided by the invention, the efficiency and precision of multi-field coupling simulation can be improved.

The application provides a method for activating argillaceous sandstone uranium ore by using field coupling Fenton oxidation, and belongs to the technical field of uranium ore resource development; the method comprises the following steps: firstly, H2O2 solution is added into argillaceous sandstone uranium ore slurry and mixed uniformly, then the slurry is transferred into a field generator, and U(IV) in the argillaceous sandstone uranium ore is oxidized into U(Ⅵ) by using the synergistic effect between ultrasonic, microwave or shear field and Fenton oxidation, and then high-concentration uranium leaching solution is obtained by filtration; the method for activating argillaceous sandstone uranium ore by using field coupling Fenton oxidation provided by the application promotes the peeling of clay minerals by field effect, improves the dispersibility of associated pyrite on the surface of clay, provides more active sites for Fenton activation reaction, and accelerates the Fenton oxidation reaction; thereby the uranium leaching efficiency is improved; the method significantly improves the current situation of uranium leaching difficulty in argillaceous sandstone uranium ore, the uranium content in the obtained leaching residue is lower, the required activation time is shorter, and the method is easy to be applied on a large scale.

The invention belongs to the technical field of uranium ore beneficiation in the radioactive mineral product field, particularly relates to the field of uranium-iron polymetallic placer beneficiation, and particularly relates to a beneficiation method of uranium-iron polymetallic placer. The beneficiation method comprises the steps of drum screen wet screening, linear vibration screening, spiral chute sorting, spiral chute concentrate screening and grading, centrifugal beneficiation process, table beneficiation process, magnetic separation and the like. According to the invention, the grinding and reagent cost is greatly reduced, and the sorting precision and the sorting efficiency are improved.

The invention discloses a uranium mine detection equipment control method and system based on a cloud platform, and relates to the technical field of mineral resource detection. The method comprises the following steps: constructing a uranium mine detection equipment network, and obtaining detection data; transmitting the detection data to a cloud platform for cleaning and preprocessing to obtain preprocessed data after noise data and abnormal data are removed; performing multi-source data fusion analysis on the preprocessed data, and determining uranium mine key parameters and a uranium mine prediction area; performing equipment control judgment based on the uranium mine key parameters, outputting a corresponding control instruction, and feeding back the control instruction to the corresponding equipment; wherein the process of equipment control judgment is as follows: when the uranium ore grade and the radon gas concentration exceed set threshold values, a control instruction for increasing corresponding equipment parameters is output; and when the environmental parameters exceed a set threshold value, outputting a control instruction for starting an execution mechanism. The uranium mine detection efficiency and accuracy can be improved, and the detection cost is reduced.

The invention discloses an in-situ leaching uranium mining layer permeability testing method. The method comprises the following steps: acquiring a pressure signal of a water hammer at a wellhead of a target test well; carrying out normalization and noise reduction processing on the pressure signal; analyzing the processed pressure signal to obtain a first amplitude ratio, an attenuation rate and a pressure attenuation trend; the first amplitude ratio, the attenuation rate and the pressure attenuation trend are analyzed and calculated, and the ore bed permeability is obtained. Therefore, the permeability of the ore bed can be tested in the mine production process, the real-time performance is high, the operation is simple, the accuracy is high, and the method is suitable for popularization and application.

The present application relates to radioactive gas detection and sandstone type uranium exploration technical field, especially a soil radon emission rate measuring device and its sandstone type uranium ore prospecting method, including gas collecting mechanism, including PVC gas collecting cylinder, the top of PVC gas collecting cylinder is provided with sealing cover, the top of sealing cover is provided with atmospheric temperature and humidity pressure sensor and internet of things antenna respectively, the bottom of PVC gas collecting cylinder is installed with soil temperature and humidity sensor;Detection mechanism, it is cylindrical sealing mechanism, including chip storage module, photon counter.The present application realizes the underground in-situ stable measurement of soil radon emission rate by vertically burying PVC gas collecting cylinder in a certain depth under the ground, makes radon diffuse and accumulate naturally in the relatively closed and stable space from bottom to top, avoids the sealing problem and wind field interference under the open environment condition of the ground.In addition, cooperating with internet of things remote transmission technology, long-term continuous automatic observation and unattended can be realized, which significantly improves the field exploration efficiency.