21 results about "Beryllium" patented technology

The application provides a method for efficiently removing beryllium and thallium in lithium residue, comprising the following steps: S1, providing lithium residue; the lithium residue contains beryllium and thallium, and the lithium residue has calcium aluminosilicate; S2, performing hydrothermal treatment on the lithium residue and an acid solution to obtain a reaction liquid; the acid solution comprises one or more of sulfuric acid solution, hydrochloric acid solution, nitric acid solution and phosphoric acid solution; the concentration of the acid solution is not less than 1 mol / L; the temperature of the hydrothermal treatment is not less than 100 DEG C, and the time of the hydrothermal treatment is not less than 2 h; and S3, performing solid-liquid separation on the reaction liquid to obtain a beryllium and thallium separation liquid and a detoxification residue. The application has excellent removal effect on beryllium and thallium in lithium residue, and can realize low-cost detoxification and reuse of the lithium residue.

This invention provides a method for stabilizing beryllium in lepidolite leaching residue, belonging to the field of lepidolite residue treatment technology. The method comprises the following steps: mixing lepidolite leaching residue with clay powder in a specific ratio, adding water, and pressing the mixture into bricks; firing the bricks in a muffle furnace; and then crushing, grinding, and testing the leaching toxicity of the fired clay bricks. This invention directly uses lepidolite leaching residue as raw material to prepare waste residue that can be safely discharged. It has low production costs, not only achieving resource recycling but also effectively stabilizing the excessive beryllium leaching toxicity in the residue. Furthermore, the resulting clay bricks can possess other excellent properties, meeting industry standards for waste residue discharge.

This application relates to a reagent and method for immobilizing beryllium and thallium in solid waste, belonging to the field of solid waste treatment technology. The reagent consists of a soluble sulfide and a soluble phosphate, wherein the mass ratio of the soluble sulfide to the soluble phosphate is 1:0.5 to 1:2. The method of application utilizes the synergistic effect of the soluble sulfide and soluble phosphate, optimizing the reagent ratio and process parameters to achieve simultaneous solidification of beryllium and thallium under ambient temperature and pressure conditions. After treatment, the thallium leaching concentration is <5 μg / L and the beryllium concentration is <1 μg / L, exceeding national standards. The resulting solidified body exhibits high stability and low disposal costs, effectively avoiding the risk of secondary leaching, significantly reducing the environmental risk of beryllium and thallium-containing solid wastes such as lithium smelting slag, achieving harmless disposal, and effectively solving the pollution problem of such wastes.

The application belongs to the technical field of solid waste treatment, and particularly relates to a method for synergistically treating beryllium and thallium-containing waste residues. The method comprises the following steps: pretreating the beryllium and thallium-containing waste residues to obtain homogenized slag; mixing the homogenized slag with inorganic mineral materials, wherein the inorganic mineral materials comprise at least one of fly ash, zeolite and steel slag; adding water to obtain a mixed system containing the homogenized slag and the inorganic mineral materials, stirring, and curing the mixed system. The method can simultaneously and efficiently treat beryllium and thallium in the waste residues, and has mild reaction conditions and no secondary pollution.

This invention discloses a method and system for the harmless treatment and beryllium ultrastable mineralization of lithium slag through agent-slag synergy, belonging to the field of solid waste treatment technology. It includes: dissolving active silica-alumina excitation components according to mineral diagnostic data to obtain a structural excitation liquid; simultaneously activating the lithium slag and the excitation liquid through mechanochemical processes, reconstructing the interface of the adsorbed excitation components, and generating a modified lithium slag matrix; preparing a mineralization assembly liquid based on the beryllium exposure of the matrix; introducing the assembly liquid into the matrix in a segmented gradient, controlling the hydrogen ion concentration to induce in-situ crystallization at the interface, and obtaining a primary stabilizer; pressing the stabilizer and placing it in an alternating electromagnetic field coupled with an endogenous exothermic environment to generate beryllium ultrastable mineralization products. This invention employs a comprehensive treatment method combining deep mechanochemical simultaneous activation and exposure with slow-release ion in-situ crystallization and endogenous thermomagnetic coupling to drive ordered cross-linking of the microstructure. This method can destroy the dense inert framework of the waste slag and forcibly drive the migration and trapping of heavy metals, ultimately achieving deep ultrastable mineralization and seepage prevention of beryllium toxic ions.

The present application relates to a kind of for beryllium and thallium pollution in lithium residue-based artificial soil Control method, the control method is to carry out hierarchical repair to lithium residue-based artificial soil, including the following steps: using first composite passivation agent, second composite passivation agent and third composite passivation agent are respectively applied to the ecological function layer, buffer control layer and solidification sequestration layer of lithium residue-based artificial soil, repair is carried out;Wherein, first composite passivation agent includes modified biochar matrix, struvite, humus and microbial inoculant;Second composite passivation agent includes modified biochar matrix and alkaline buffer material;Third composite passivation agent includes modified biochar matrix and strong alkaline solidification material.The present application designs different, multi-level passivation scheme according to the function of each soil layer of artificial soil, realizes accurate repair, to systematically solve the potential risk problem of beryllium, thallium pollution metal vertical migration in lithium residue-based artificial soil, guarantee the safe use of artificial soil.

The present application relates to a kind of free-cutting composite zinc white copper pipe and its preparation method, copper 60.0~64.0%, nickel 14.0~17.0%, zinc 16.0~19.0%, iron 0.10~0.30%, manganese 0.20~0.40%, silicon 0.05~0.15%, tin 0.05~0.10%, aluminum 0.02~0.06%, bismuth 0.03~0.08%, phosphorus 0.11~0.15%, lead 0.21~0.25%, beryllium 0.1~0.2%, titanium 0.01~0.02%, the rest is inevitable impurity;Adjust each alloy element cooperation to realize alloy hardness HB≥150, tensile strength σb≥530MPa, elongation δ10≥12% after breaking, realize the synergistic optimization of hardness, tensile strength and elongation, satisfy the requirement of special-shaped product turning and forming processing.

The application discloses an extremely low-temperature infrared filter and belongs to the technical field of microwave radio communication. The extremely low-temperature infrared filter comprises a filter shell, a filter assembly, an input joint and an output joint. The filter assembly comprises infrared wave-absorbing material filled in the filter shell and an inner conductor penetratingly arranged in the infrared wave-absorbing material. The two ends of the inner conductor are connected with the input joint and the output joint through an insulator. An injection hole and a gas permeation hole are formed on the filter shell, and the injection hole and the gas permeation hole are both provided with a gland. The filter shell and the inner conductor are both made of beryllium bronze gold-plated material, and the gland is made of non-magnetic material. The application is configured with the gland on the injection hole and the gas permeation hole, effectively prevents the material leakage of the filter in the superconducting environment, and effectively reduces the disturbance quantum bits. Furthermore, the filter shell and the inner conductor are made of beryllium bronze gold-plated material, so that the filter is adapted to the 10-20 mK extremely low-temperature working condition.

This invention discloses a portable high-flux-rate synchrotron radiation X-ray air kerma measurement device. This invention relates to the field of X-ray air kerma measurement technology, and proposes the following solution: It includes a silicon photodiode, a front shielding plate, a middle frame, and a rear shielding plate. A detector window is provided at the center of the front shielding plate, and a beryllium plate is mounted on the back of the detector window. The silicon photodiode is fixedly mounted on a base, which is also fixedly mounted on the front shielding plate. Mounting holes are provided on the rear shielding plate. This invention, by being installed within the front, middle, and rear shielding plates, possesses the characteristics of miniaturization and portability, making it suitable for small laboratories and portable use. Unlike free air ionization chambers, silicon photodiodes have high quantum efficiency, low dark current, strong radiation resistance, insensitivity to external magnetic fields, and do not require external bias voltage for measurement. Furthermore, their small size makes them easy to move.

Embodiments of the present application relate to the manufacture of fuel loaded in a non-radioactive shell, and particularly to a method for preparing a uranium-nitrogen-rhenium composite fuel pellet, comprising the following steps: S1: preparing a mixed powder of metallic uranium powder and metallic rhenium powder; S2: preparing a UNRe mixed powder using the mixed powder obtained in step S1; S3: pressing the UNRe mixed powder obtained in step S2 to obtain a composite fuel compact; and S4: reacting the composite fuel compact obtained in step S3 with a mixed gas of nitrogen and ammonia at a predetermined temperature and a predetermined vacuum degree for a predetermined time to obtain a high-density composite fuel pellet. The method for preparing a uranium-nitrogen-rhenium composite fuel pellet according to the embodiments of the present application can introduce rhenium elements into the fuel pellet, and the rhenium elements can block the reaction between the fuel pellet and the cladding material of the reactor, thereby improving the stability of the fuel pellet.

This invention belongs to the field of isotope analysis technology, specifically relating to environmental tracing and geochronological studies of the cosmogenic nuclide beryllium-10. It discloses an automated collection device and method for purifying the cosmogenic nuclide beryllium-10. The device constructs an automated chain of online reaction, real-time monitoring, and intelligent diversion, eliminating reliance on manual solution collection experience. The mixed reaction module precisely proportions the eluent, buffer solution, and chromogenic solution, creating a specific instantaneous chromogenic environment for beryllium ions. Combined with an optical detection module, it can capture color signals in real time and convert them into digital signals. The control module drives the fluid switching module at millisecond levels based on preset signal thresholds, accurately separating the target product from the waste liquid. This mechanism can accurately identify the start and end points of the elution peaks of the target element, solving the problem of beryllium-10 loss caused by complex sample matrices or resin aging. Through standardized photoelectric detection, it ensures high recovery rates and purity requirements for ultra-trace beryllium-10 analysis.

A soft X-ray tube structure for electrostatic elimination and its verification method are disclosed, belonging to the field of X-ray tubes. A spherical spiral tungsten filament emitting cathode is disposed within the vacuum tube; a spherical cap-shaped beryllium anode target electrode is disposed in front of the spherical spiral tungsten filament emitting cathode, with a tungsten coating deposited on its inner surface; a spherical cap-shaped confinement electrode is disposed behind the spherical spiral tungsten filament emitting cathode; the center points of the spherical cap-shaped beryllium anode target electrode, the spherical cap-shaped confinement electrode, and the spherical spiral tungsten filament emitting cathode are spatially aligned. This design enables uniform, wide solid angle radiation of soft X-rays, thereby significantly improving the electrostatic elimination range; it effectively avoids the thermionic leakage caused by the circular tubular focusing electrode in existing technologies, thus improving the soft X-ray emission efficiency / effectiveness, and consequently improving the electrostatic elimination efficiency / effectiveness; simultaneously, it effectively avoids the reduction in the insulation performance of the vacuum tube bottom surface caused by the sputtering of thermionic electrons themselves.

A composite material comprising magnesium, silicon, carbon, beryllium, sulfur, and hydrogen, wherein the material achieves thermal conductivity exceeding 399 W / mK, mechanical stability, and resistance to environmental degradation, with a compositional range as follows: magnesium (30– 40%), silicon (15–25%), carbon (10–20%), beryllium (5–15%), sulfur (2–8%), and hydrogen (2–8%). ABSTRACT

This invention discloses an alloy powder for laser additive repair of beryllium bronze and its additive repair method, belonging to the field of laser additive repair. The alloy powder composition is Ni 29-33%, Co 10-15%, Fe≤0.9%, Mn≤1.2%, O≤0.03%, with the balance being Cu. This invention optimizes the content of Ni and Co elements by increasing their content and eliminating Be elements, ensuring safety during large-scale powder preparation and use, while improving the wear resistance of the repaired surface and the bonding performance between the substrate and the additive repair layer. The repair process of this invention utilizes a small-diameter spot, high-energy-density laser additive repair to effectively reduce the heat-affected zone, minimize deformation, and improve repair quality. The method of this invention significantly reduces the repair cycle.

Disclosed herein is a method of consolidating by liquid phae sintering a new class of designed-microstructure particulate material with unprecedented combinations of property extremes called Tough-Coated Hard Powders (TCHPs). The method generally comprises providing a plurality of core particles, wherein the core particles comprise a core material of a first compound; providing an intermediate layer on a majority of the core particles, the intermediate layer comprising a second compound, different in composition from the first compound and having a higher relative fracture toughness, the second compound being capable of bonding with the first compound and being capable of bounding with a metal chosen from iron, cobalt, nickel, copper, titanium, aluminium, magnesiu, lithium, beryllium, silver, gold, and platinum and their mixtures, thereby forming coated particles; and applying an outer layer to the coated particles, the outer layer comprising a metal chosen from iron, cobalt, nickel, and their mixtures to form a substantially continuous outer layer on said intermediate layer, thereby forming component particles of the particulate material; shapping a plurality of the component particles into an article; and sintering the articles to substantialy full density without significant external pressure at a temperature sufficient to liquefy and portion of the outer layer, and for a time sufficient to liquefy a portion of the intermediate layer. The disclosed method leads to sintered particulate materials that may be individually coated with nanolayers of a metal compound having a relatively higher fracture toughness, such a WC or TaC. These coated particles may be additinally coated with a second layer comprising a binder metal, such as Co or Ni. This unique material resuls in multiproperty alloys within the TCHP sintered structure, thus allowing for a combination of normally conflicting performance extremes, including, but not limited to toughness, abrasiveness, chemical wear resistance, and light weight, at levels heretofore unseen in the powder metallurgical art.

This invention discloses a geophysical and geochemical prospecting method for pegmatite-type lithium-beryllium deposits, belonging to the field of geophysical and geochemical prospecting. The method includes: analyzing the spatial relationship between various locations and ore-forming geological bodies based on geological baseline data to obtain geological favorability; analyzing elemental combinations and anomaly gradients based on geochemical data to obtain geochemical anomaly intensity; analyzing physical property differences related to mineralization based on geophysical data to obtain comprehensive geophysical anomalies; linearly weighting the geological favorability, geochemical anomaly intensity, and comprehensive geophysical anomalies to obtain a mineralization index model; calculating the mineralization favorability at each location point-by-point based on the mineralization index model to obtain a mineralization favorability raster map; and selecting areas meeting the conditions as prospecting target areas based on the mineralization favorability raster map. This invention solves the problem that traditional exploration data processing methods are cumbersome and difficult to quickly integrate and analyze multi-scale and multi-type data, thus limiting the accuracy and efficiency of prospecting prediction.

The application discloses a beryllium material turning processing recycling device and method, and relates to the technical field of beryllium material processing, and can improve the processing quality of beryllium material and the service life of a tool, realize efficient recycling of chips, avoid beryllium dust pollution, and promote green processing and resource recycling of beryllium material.

A multi-metal patterned anode for an X-ray detector is provided. The anode comprises a substrate and at least one group of disjointed circular features formed on the substrate, wherein the circular features are made from different metals. The circular features in different groups have different radii, and the circular features in the same group have the same radii. The groups of circular features are radially arrayed on the substrate. The substrate is made of diamond or beryllium.