54 results about "Uranium ore" patented technology

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 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 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 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 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 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 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 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.

The present application belongs to the technical field of mineral exploration and geological analysis, and discloses a rapid discrimination method for the genesis of gray sandstone in red beds based on big data and application, wherein the rapid discrimination method collects macro-geological data including lithology, color, structure and spatial distribution and geochemical data including carbon isotope (delta 13C) value, and inputs the data into a big data exploration database; a macro-preliminary judgment is made according to the macro-geological data; quantitative verification is made based on the carbon isotope; the macro-preliminary judgment and the quantitative verification result are integrated for comprehensive judgment to form a standardized process; the relative size of delta 13C is taken as a core quantitative criterion to realize rapid and accurate identification of the sedimentary origin and the epigenetic reduction origin. The discrimination result is directly applied to the delineation of sandstone-type uranium mine target area, ore body prediction and exploration deployment, solves the defects of subjectivity and low efficiency of the traditional method, significantly improves the accuracy and efficiency of uranium exploration, and provides technical support for ore prospecting breakthrough.

This invention discloses a leaching method and apparatus for uranium ore, relating to the field of hydrometallurgical technology. The invention provides a novel multifunctional uranium leaching system. Porous electrode plates and conductive injection pipes are installed at both ends of a horizontal rotating reaction chamber. Contact and energization are achieved via anode and cathode wires. An ion exchange resin is filled in a uranium trapping net within the horizontal rotating reaction chamber. Under the influence of an electric field, uranyl ions are enriched on the ion exchange resin. Mechanical force disrupts the uranium ore structure and exposes reaction sites; advanced oxidation promotes the oxidation and dissolution of uranium; the electric field promotes the migration of uranyl ions and enhances the efficiency of the advanced oxidation reaction; and the ion exchange resin adsorbs uranyl ions driven by the electric field in real time. These three factors create a synergistic enhancement effect, significantly reducing acid consumption and improving uranium leaching efficiency and recovery rate.

The application discloses a kind of in-situ leaching uranium methods, the method can include: after well drilling construction to the ore bed bottom of uranium ore bed, open hole logging is carried out to determine the position of uranium ore bed, thickness and the reservoir physical property parameter of uranium ore bed;After downhole casing is lowered into drill hole, cement slurry is used to cement well;After washing well operation is implemented, shoot through casing and cement layer, so that casing is communicated with uranium ore bed;According to the thickness of uranium ore bed, the reservoir physical property parameter of uranium ore bed and well spacing, determine the target injection volume and target gas injection volume of injection agent rod string into uranium ore bed;CO2, water, O2 and water are sequentially injected into uranium ore bed by injection agent rod string in slug injection mode, and after reaching the target injection volume and target gas injection volume, the wellhead is closed for a predetermined time.The application improves the completion process and the sequence of injecting gas and water, increases the liquid injection volume and gas injection volume in the uranium ore bed by high-pressure injection, and ultimately improves the uranium recovery rate.

The invention belongs to the technical field of space flight and aviation remote sensing geological exploration, and particularly relates to a uranium ore altered mineral automatic extraction method for spaceborne hyperspectral data, which comprises the following steps of: 1, preprocessing the spaceborne hyperspectral data and optimizing wavebands; 2, constructing a multi-dimensional spectrum geometric feature set; 3, constructing a'net mineralization 'coupling model; step 4, carrying out adaptive threshold segmentation based on histogram curvature extreme values; and 5, morphological filtering post-processing is carried out, and a uranium ore altered mineral distribution diagram is output. According to the method, full-automatic and high-precision extraction of alteration information is achieved by constructing a positive and negative feature coupling model and combining histogram curvature extreme value analysis, and the problems that in existing hyperspectral mineral extraction, manual repeated threshold adjustment is seriously relied on, multi-index combined logic is rigid, and complex background interference is difficult to adapt are effectively solved.

The invention relates to the technical field of sandstone uranium ore exploration, and discloses a long-term synchronous soil radon observation uranium ore prospecting device and method based on the Internet of Things. The system is composed of a scintillation method soil radon detector, a diffusion type radon collection cylinder, a radon collection cylinder sealing cover, an atmosphere temperature, humidity and air pressure sensor, a soil temperature and humidity sensor, a portable power supply, a first cable, a second cable, a data transmission antenna, a cloud platform and an upper computer system. Soil radon activity concentration long-term synchronous observation is carried out at a plurality of measuring points in the sandstone type uranium mine exploration area; the method comprises the following steps: acquiring soil radon activity concentration and environmental parameter change information along with time, selecting a stable soil radon activity concentration data segment, deducting a soil radon background level value of a research area, delineating a soil radon abnormal area, and delineating a favorable mineralization area of a deep hidden uranium ore body; the problems that in the prior art, a sandstone type uranium ore prospecting method is limited in detection depth, insufficient in resolution ratio and not obvious in radon activity concentration abnormal characteristic, and consequently the prospecting efficiency and accuracy are not ideal are solved.

The application relates to a process flow for extracting uranium, tungsten, tin, copper, iridium, gold and silver from waste uranium ore, which comprises the following steps: waste ore dressing: crushing the waste uranium ore, sequentially performing electroseparation-primary separation-dressing to obtain dressing ore, mixing the dressing ore with concentrated sulfuric acid and sintering, and then using concentrated sulfuric acid for leaching again to obtain first leaching liquid and first leaching residue. Leaching liquid treatment: sequentially electrolyzing and replacing silver and copper from the first leaching liquid, adding ammonia water and caustic soda, and then separating and filtering to obtain uranium compound precipitate. Leaching residue treatment: separating weak magnetic metal and strong magnetic metal from the first leaching residue through electromagnetic separation, adding aqua regia to the weak magnetic metal to leach gold, obtaining fourth leaching liquid and second leaching residue, and reducing the fourth leaching liquid to obtain gold powder; mixing the strong magnetic metal with alkali and sintering, adding pure alkali and water after grinding to obtain fifth leaching liquid and third leaching residue. Through the above method, the dressing ore with a higher grade is screened from the low-grade waste uranium ore, and then silver, copper, uranium, gold, tin, tungsten and iridium are sequentially separated.

The invention discloses a same-position integrated double neutron detector, a logging instrument and an application method, and belongs to the field of uranium exploration logging. The double-neutron detector comprises a thermal neutron detector and an epithermal neutron detector which are arranged in a nested mode. The thermal neutron detector is arranged to be a first microstructure gas detector and comprises an annular cavity structure, a cathode drift electrode and an anode reading electrode, wherein the annular cavity structure is provided with an axial through hole and is filled with He gas. The detection part of the epithermal neutron detector is embedded in the axial through hole, and the epithermal neutron detector can be a scintillation crystal detector coated with a shielding moderation layer or a second microstructure gas detector. Compared with the prior art, the nested structure fundamentally solves the inherent problem of space inconsistency of a traditional separation detector, and the uranium content calculation precision is greatly improved; meanwhile, the epithermal neutron detector has two implementable schemes, and the structural flexibility is high.

The invention discloses a method for in-situ leaching mining of sandstone uranium ore, the concentration of bicarbonate radical ions in ore bed water of the sandstone uranium ore is lower than 0.5 g / L, uranium in the sandstone uranium ore mainly exists in a uranium stone form, and the carbonate content is higher than 2%. The critical pH value of uranium stone corrosion is determined based on laboratory conditions, the required injection pressure of carbon dioxide is determined based on the critical pH value, the proper required injection pressure of oxygen is determined, and then the corresponding flows of carbon dioxide and oxygen during on-site leaching are determined according to the liquid injection flow of a liquid injection well. In this way, by controlling the pressure and flow of carbon dioxide and the pressure and flow of oxygen, the pH value of ore bed water is controlled, advantageous dissolution and leaching are achieved, the leaching time is shortened, the leaching efficiency is improved, and the uranium concentration of leachate is improved.

The invention provides a method for realizing rapid evaluation of surface uranium content by using unmanned aerial vehicle aviation release measurement, and relates to the technical field of unmanned aerial vehicle aviation radioactivity measurement. The method for realizing rapid evaluation of the uranium content of the earth surface specifically comprises the following steps: S1, system background calibration; s2, correcting atmospheric radon; s3, calibrating air sensitivity; s4, uranium content inversion; s5, carrying out data noise reduction processing; and S6, three-dimensional mapping. According to the technology, cosmic rays and equipment background are synchronously deducted through water area measurement, the radon correction coefficient is dynamically adjusted in combination with morning and evening baseline flight, the problems that aerial work of an unmanned aerial vehicle aerial radioactivity measurement system is difficult and radon correction is not accurate are solved, a height attenuation coefficient three-dimensional correction model and a wavelet noise reduction algorithm are adopted, small crystal noise interference is overcome, and the radon correction accuracy is improved. Through uranium content grading drawing and geologic model fusion, the method achieves the quick positioning of an abnormal region, is small in inversion error, is high in verification goodness of fit, remarkably improves the uranium mine verification efficiency and safety of a plateau / unmanned region, and reduces the production cost.

This invention provides a uranium content detection method, device, storage medium, and electronic device, belonging to the field of mineral exploration technology. The uranium content detection method includes: acquiring well logging data, which includes hyperthermal neutron counts, thermal neutron counts, and macroscopic scattering cross-section information, obtained by logging after emitting pulsed neutrons into the well to be logged; calculating the formation uranium content based on the hyperthermal neutron counts, thermal neutron counts, and macroscopic scattering cross-section information using a pre-set formation uranium content calculation model, which is based on a numerical simulation model of uranium content, mineralization, and porosity conditions established using the Monte Carlo method. This method can eliminate the errors caused by formation porosity and mineralization in the uranium content calculation process, improving the accuracy of formation uranium content evaluation and the efficiency of uranium ore detection.

The present application relates to the technical field of uranium ore, in particular to a method for judging the participation of submarine exhalative hydrothermal fluid in the rock-forming process of black rock series, comprising the following steps: step 1, collecting black rock series samples; step 2, sample preparation and analysis testing; step 3, scanning electron microscope observation of black rock series samples; step 4, biological hot water action judgment; and step 5, isotopic tracing judgment. The present application combines modern element content testing means, isotopic tracing means, biological hot water discrimination means and traditional geological work, extracts key elements, establishes a flow-based discrimination basis, and judges whether the black rock series in the target area has the participation of submarine exhalative hydrothermal fluid, thereby improving the ore prospecting efficiency in the black rock series, reducing large-scale construction exploration, and saving funds and time.

A rapid mining method for sandstone-type uranium resources in a uranium and coal superposed area, which relates to the technical field of mining engineering is provided. The method includes: arranging a high-density adjustable well pattern in an in-situ leaching mining area; determining a length and a position of a filter located on the in-situ leaching mining area through a digital well construction technology; and in a production stage, carrying out operations such as pumping / injection centralized filtration, intensified leaching, high-intensity extraction, high-intensity injection, and change of layout of the high-density adjustable well pattern to rapidly obtain sandstone-type uranium resources in a uranium and coal superposed area. A recovery speed of the sandstone-type uranium resources can be improved, and service life of the in-situ leaching mining area can be shortened.