156 results about "Beryllium" patented technology

The invention provides a lithium ore roasting waste heat recovery device and a process for extracting beryllium from lithium-containing ore. The waste heat recovery device comprises a box body, an adjusting mechanism and a heat exchange pipe. A first dispersion cover and a second dispersion cover are mounted on the left side and the right side of the box body through bolts, and the adjusting mechanism is located outside the second dispersion cover; the adjusting mechanism comprises a discharge pipe, a mounting cover and an adjusting motor, the discharge pipe is fixedly arranged at the outlet end of the second dispersion cover, and the mounting cover is hermetically mounted at the outer end of the discharge pipe through a bolt. The flow channel of the heat exchange element is designed to be of a reducing structure with a thick inlet and a thin outlet, at the moment, a high-temperature section at the inlet position can fully exchange heat, but the heat of smoke entering a low-temperature section is not higher than that of the high-temperature section, the inner diameter of the outlet section can be reduced, the smoke flow is small at the moment, and therefore most smoke can be gathered in the low-temperature section, and full heat exchange of the low-temperature section can be achieved.

The invention discloses beryllium element detection test paper as well as a preparation method, a detection method and application thereof. The beryllium element detection test paper comprises a filter paper base material, a color developing agent chrome azurol S and a shielding agent ethylene diamine tetraacetic acid disodium salt, the color developing agent chrome azurol S and the shielding agent disodium ethylene diamine tetraacetate are loaded on the filter paper base material. When the beryllium element detection test paper is used for detecting a surface beryllium pollution detection object, the detection method is simple and rapid to operate, high in sensitivity and low in cost.

The invention discloses a high-strength conductive nanosheet layer structure Cu-Ti alloy and a preparation method thereof, and belongs to the field of copper alloy processing. The preparation method comprises the following steps that an alloy cast ingot is prepared through vacuum melting, solution treatment, two-step-length aging treatment and cold rolling are conducted, the high-strength conductive nano lamellar structure Cu-Ti alloy is obtained, a Cu matrix of the Cu-Ti alloy contains a large number of nano lamellar Ti precipitated phases, the tensile strength is larger than 1000 MPa, the conductivity is larger than 20% IACS, and the hardness is larger than 281 HV. The Cu-Ti alloy disclosed by the invention does not contain the beryllium element, so that the harmful influence of the beryllium element on the environment in the production process is avoided; good conductivity and strength are achieved, and the comprehensive performance is excellent; the preparation method is short in technological process and easy to operate, and a feasible method is provided for large-scale production of the high-strength conductive copper alloy.

The invention relates to the technical field of laser cutting machines, in particular to intelligent laser cutting equipment and method for beryllium material machining. The intelligent laser cutting equipment comprises a receiving component, a guide component is slidably inserted into the front end of the receiving component, a laser cutting machine is installed at the top end of the receiving component, and a supporting base plate is installed in the top end of the receiving component; the supporting base plate is located below the laser cutting machine, the guiding component comprises a pushing device and a displacement device, the pushing device is fixedly installed in the displacement device, the pushing device comprises reset springs, a pushing plate, a sliding key, a first connecting rope, a first winding wheel and a first gear, and the reset springs are symmetrically and fixedly installed at the top of the rear end of the pushing plate. The sliding keys are fixedly installed at the two ends of the push plate, the first connecting rope is fixedly installed at the front ends of the sliding keys, and the first winding wheel is fixedly installed at the front end of the first connecting rope. According to the beryllium material laser cutting equipment, through the arrangement of the guide part and the receiving part, the purposes of part receiving and fixed-point discharging are achieved when the beryllium material laser cutting equipment is used.

The invention belongs to the technical field of geological sample analysis and detection, and particularly discloses a method for measuring the amount of each element of lithium ore in a closed acid-soluble system, and the method comprises the following steps: pretreating the lithium ore; the pretreated lithium ore is weighed and put into a closed sample dissolving device, hydrofluoric acid and purified nitric acid are sequentially added, and the closed sample dissolving device is closed; carrying out heat preservation on the closed sample dissolving device twice to obtain a test solution; and measuring the test solution by using an inductively coupled plasma mass spectrometer to obtain a working curve, and calculating the content of the analysis element in the sample solution by using the working curve. The method for determining the amount of each element in the lithium ore by adopting the closed acid-soluble system has the characteristics of simplicity in operation, high efficiency and good stability, realizes simultaneous determination of the amount of lithium, rubidium, cesium, beryllium, strontium, niobium, tantalum, zirconium, hafnium and rare earth elements in the large-batch lithium ore, and further provides a reference for determination of main trace elements in the lithium ore.

The invention relates to the technical field of ore analysis and detection, in particular to a method for simultaneously determining beryllium, tungsten and tin contents in polymetallic ore based on ICP-MS. Comprising the following steps: S1, crushing and grinding to-be-detected ore to obtain polymetallic ore powder; s2, adding the polymetallic ore powder into a mixed flux containing sodium peroxide and sodium hydroxide, melting at a high temperature, cooling, adding a hydrochloric acid solution of citric acid, carrying out heat extraction, and adding water to a constant volume, so as to obtain a sample solution to be detected; and S3, detecting the sample to be detected by adopting ICP-MS (Inductively Coupled Plasma Mass Spectrometry The method for simultaneously measuring the beryllium content, the tungsten content and the tin content in the polymetallic ore based on the ICP-MS. The method has the characteristics of simplicity, convenience, rapidness, accuracy and the like, and can be used for simultaneously measuring the beryllium content, the tungsten content and the tin content in the polymetallic ore.

There is provided a neutron-generating target, including a beryllium layer composed of a plurality of beryllium crystal grains having a columnar structure that has grown in a thickness direction, wherein the beryllium layer has gaps between the plurality of beryllium crystal grains.

The invention discloses a beryllium fixing agent and application thereof, and belongs to the technical field of lithium slag resource utilization. The invention provides a beryllium fixing agent which is based on differential behavior characteristics of thallium and beryllium in an alkaline environment, and efficient elution of thallium and directional stabilization of beryllium are achieved by designing a composite beryllium fixing agent (a pH regulator and a stabilizer). According to the process, introduction of sulfide / organic matter is avoided, the beryllium leaching concentration of the treated lithium slag in a 180-day accelerated aging experiment is always lower than 0.5 microgram / L through ionic bonding and topological chemical curing effects, and the industrial pain point of insufficient long-term stability of a traditional method is thoroughly solved.

An X-ray target (10) comprising: a thermally conductive substrate (20) having a surface (22); and a plurality of structures (30) which are separated from one another, on or embedded in at least a portion of the surface (22), each of the at least two structures (30) of the plurality of structures (30) comprising: a thermally conductive first material (32) in thermal communication with the substrate (20), and at least one layer (40) over the first material (32), wherein the at least one layer (40) comprises at least one second material (42) that is different from the first material (32), wherein the at least one second material (42) is configured to generate X-rays when irradiated by electrons, wherein the first materials (32) of the at least two structures (30) are separated from each other and the at least one second material (42) of the at least two structures (30) are separated from each other and different from each other, and wherein the at least one layer (40) further comprises at least one third material (44) between the first material (32) and the at least one second material (42), wherein the at least one third material (44) is different from the first material (32) and the at least one second material (42), and the at least one third material (44) has a thickness between 2 nanometers and 50 nanometers and / or the at least one third material (44) comprises at least one of the following materials: titanium nitride, iridium, chromium, beryllium and hafnium oxide.

The invention relates to an isotropic thermal neutron radiation field angle distribution uniformity control device and method, and the device is characterized in that a particle accelerator is used for emitting a high-energy charged particle beam with a beam position; the beryllium target is placed along the emission line of the high-energy charged particle beam, and the high-energy charged particle beam bombards the beryllium target to generate charges; the insulation isolation gasket is wound on the outer side of the beryllium target and prevents the charges from being led out from the outside through the beryllium target; and the adjusting assembly is connected with the beryllium target and used for acquiring the electric charge quantity on the beryllium target, and is connected with the particle accelerator and used for adjusting the angle of the high-energy charged particle beam irradiating to the beryllium target. According to the invention, the purposes of preventing the charges from being exported outwards based on the insulation isolation gasket and obtaining the charge quantity by the adjusting assembly to adjust the particle accelerator are achieved, so that after the insulation isolation gasket with low cost is used for isolation, the charge quantity is detected to adjust the particle accelerator, and the technical effect of effectively saving the cost is achieved.

The invention discloses a combined flotation reagent for fluorite associated beryllium ore and a beneficiation method, and belongs to the technical field of beneficiation. The flotation reagent comprises a beryllium mineral collecting agent and a regulator; the beryllium mineral collecting agent is formed by assembling metal ions with the valence higher than bivalent, C5-C9 alkyl hydroximic acid and fatty acid in a coordination mode. The adjusting agent comprises organic phosphonic acid, alkylol amine and sodium sulfide, the beryllium mineral collecting agent is a ternary coordination colloid collecting agent and can achieve targeted adsorption and synchronous flotation recovery of multiple beryllium-containing minerals, and the adjusting agent has a high-selectivity inhibition effect on gangue minerals such as calcium-containing minerals and silicate minerals; the combined flotation reagent is small in dosage, low in cost, short in beneficiation process, easy to operate and high in applicability, and the comprehensive recovery rate of the fluorite associated beryllium ore can be remarkably increased.

The invention discloses a beryllium element mineralizing reagent for lithium slag or beryllium-containing waste slag, a curing method and application, and relates to the field of slag treatment. The invention aims to solve the problems that the beryllium element in the existing lithium slag or beryllium-containing waste slag is difficult to cure, the curing structure is unstable in an acid environment, the curing mode is tedious and difficult in engineering application, the dosage of a curing agent is large, the compatibilization rate of the waste slag is high, and secondary lithium extraction and beryllium curing of the lithium slag are realized. According to the method, only the acidic phosphate needs to be added into the beryllium-containing waste residues or the lithium residues, or the phosphate needs to be added into the beryllium-containing waste residues or the lithium residues, and the staged acid environment exists, so that the using amount of the phosphate needed for curing the beryllium in the lithium residues or the beryllium-containing waste residues can be greatly reduced, a more stable mineralization effect is achieved, and the formed cured body has the beryllium adsorption capacity.

The invention relates to rock core cutting and sampling equipment and a sampling method for a tungsten beryllium mine geological exploration site, and the rock core cutting and sampling equipment comprises a cutting machine, a placing seat, a first guide rail, a first pushing mechanism and a supporting sheet mechanism; the back of the cutting machine is connected with a cutting arm; the cutting arm is connected with a first lifting device; the placing seat is arranged below the cutting machine, and one end is close to the first side of the cutting machine; the first guide rail is mounted on the side of the placement seat in parallel; the first pushing mechanism is in driving connection with the first guide rail; the sheet supporting mechanism is located on the second side of the cutting machine and used for supporting the rock core sheet at the position to be cut during cutting. The target of rock core cutting and sampling on the tungsten beryllium mine geological exploration site is achieved.

The application provides a beryllium glass leaching solution purification method, and belongs to the technical field of hydrometallurgy, and comprises the following steps: the beryllium glass leaching solution is heated to a preset temperature, and an alkaline calcium-based ore slurry is added to carry out pre-neutralization reaction to obtain a pre-neutralized solution; the pre-neutralized solution is subjected to first liquid-solid separation treatment to obtain a pre-neutralized liquid and a filter residue; the pre-neutralized liquid is subjected to deep iron and aluminum removal treatment according to a first deep iron and aluminum removal route or a second deep iron and aluminum removal route to obtain a beryllium-containing leaching solution and an iron and aluminum-containing leaching residue, so as to complete the purification of the beryllium glass leaching solution; the first deep iron and aluminum removal route comprises neutralization reaction treatment, second liquid-solid separation treatment and first pressure leaching treatment; the second deep iron and aluminum removal route comprises oxidation neutralization reaction treatment and second pressure leaching treatment. The application can solve the problems of existing technologies, such as the introduction of impurities, strict control, complex process and large beryllium loss.

The present invention discloses a burnup tracking calculation method, system and medium for multi-cycle fuel management; it relates to the technical field of reactor burnup calculation; after the first-cycle core modeling, geometric grid division is performed on each burnup zone unit in the full-core model. During the cycle of the full-core model, the replacement of all reactor internal components in the full-core model is achieved by exchanging the positions of the corresponding spatial numbers in the repeated geometric grid. Combining with the multi-cycle burnup tracking calculation process, the dynamic changes of fuel burnup, control rods and beryllium followers during reactor operation and their coupling relationship with the particle transport process are accurately considered, and the simulation of the actual refueling process of the research reactor based on the Monte Carlo method is completed, realizing high-precision and high-efficiency core calculation and analysis for high-flux research reactors, and providing theoretical support for aspects such as high-quality testing of nuclear fuels and materials, optimization of core loading and irradiation resources of research reactors, and improvement of the operation safety of research reactor reactors.

The present invention relates to the technical field of neutron targets and discloses a tantalum and beryllium neutron target system suitable for BNCT. The tantalum and beryllium neutron target system comprises a target plate structure and a target stand for mounting the target plate structure. The target plate structure comprises a tantalum target and a beryllium target, which are bonded into an integrated target plate structure by a high-temperature resistant metal adhesive. The tantalum and beryllium neutron target system suitable for BNCT provided by the present invention solves the problem of low energy utilization and inability to maximize neutron yield in existing designs.

The present invention discloses a method for ultra-stable mineralization of beryllium in "artificial fragrant flower stone". The amounts of Ca 2+ , Li + , SiO3 2‑ and F ‑ in the beryllium-containing wastewater or beryllium-containing solid waste slurry are adjusted to an appropriate range for mineralization reaction, so that the free beryllium cations and anions are mineralized into a stable fragrant flower stone [Ca3Li2(BeSiO4)3F2] form, realizing the long-term stabilization of the toxic beryllium element, eliminating the beryllium pollution risk of beryllium-containing wastewater and solid waste, and being particularly suitable for the harmless treatment of beryllium-containing waste generated in the processes of mining, ore dressing, smelting and material processing of beryllium-containing ores such as beryllium ore, lithium ore and fluorite ore. It can make the beryllium content in the wastewater and the beryllium leaching toxicity in the solid waste lower than the national standard, and has the advantages of low cost, no toxicity, simple construction process, high stabilization efficiency, good long-term stability and no secondary pollution.

The invention discloses a beryllium sheet embedded type sand blasting surface treatment method, and belongs to the technical field of plate surface treatment. The method comprises the following steps that S1, a sand blasting template is manufactured according to the shape of a beryllium sheet; the beryllium sheet is embedded into a counter bore in the sand blasting template; step S2, filling a gap between the beryllium sheet and the counter bore with a sand material to be blasted, finally performing sand blasting on one surface of the beryllium sheet, and cleaning sand grains left on the sand blasting template and the beryllium sheet; and S3, the beryllium piece is turned over, and after sand blasting is conducted on the other face of the beryllium piece according to the step S1 and the step S2, burr treatment is conducted. According to the method, it can be guaranteed that beryllium sheets are firmly clamped and not prone to flying out in the sand blasting process, the defects such as scratches, pits and smudginess are avoided, the method can be suitable for surface treatment of beryllium sheets of small sizes and different shapes, and the transmission effect of X rays is guaranteed.

The present invention relates to a sample holder tip (hereinafter referred to as a sample tip) for releasably holding a sample wherein the sample tip comprises: a carrier comprising beryllium having a recess for releasably receiving the sample; and a buffer comprising aluminum. In particular, the present invention relates to a sample tip that can be used in a charged particle microscope.

The utility model provides a diamond-based metal target suitable for high-power density electron beams, which comprises a diamond base and at least one metal layer, the metal layer is arranged on one surface of the diamond base, and the metal layer is made of metal with high melting point, low vapor pressure and high atomic number. The base material is replaced by the diamond material to be combined with the metal target material for use, the heat conductivity of the diamond material is larger than or equal to 2200 W / mK, heat dissipation of electron beams of the target surface under high density is better facilitated, the X-ray generation efficiency is higher, and the service life of the target surface is prolonged. Compared with the service life of the metal film on the beryllium sheet, the service life of the metal film on the diamond is prolonged by several times; and compared with the originally usable electron beam, the power density is improved, so that the imaging is clearer. The product is simple in structure, good in heat conduction and heat dissipation effect, high in ray excitation efficiency, good in stability, long in service life and beneficial to application and popularization.

To provide a target for generating neutrons which can suppress generation of blistering.SOLUTION: The target for generating neutrons include a beryllium layer formed of a plurality of beryllium crystal grains with a columnar structure which has grown in the thickness direction, and the beryllium layer has gaps among the beryllium crystal grains.SELECTED DRAWING: Figure 1

The invention relates to an accelerator thermal neutron radiation field double-target beam automatic adjusting device and method, and the device is characterized in that a particle transmitting end is used for transmitting an ion beam; the particle receiving end is arranged on the emission axis of the ion beam; the particle receiving end comprises two semicircular beryllium targets and a tantalum target, the projections of the two semicircular beryllium targets form a complete circle on the ion beam emission axis, the tantalum target is arranged at the outermost side line of the two semicircular beryllium targets, and the area of the tantalum target is smaller than one third of the area of the two semicircular beryllium targets; and the xy guider is arranged between the particle transmitting end and the particle receiving end, a deflection electric field is arranged in the xy guider, and the xy guider is used for acquiring the quantity of ions received by the two semicircular beryllium targets and the quantity of ions received by the tantalum targets respectively, adjusting the electric field intensity of the deflection electric field based on the quantity of ions and changing the shooting direction of the ion beam. The technical effects that manual adjustment is not needed, the monitoring efficiency is improved, and meanwhile the experience degree needed by adjustment is reduced are achieved.

The application relates to a method for producing beryllium glass powder by a water atomization method, which comprises the following steps: uniformly mixing beryl powder and calcite powder according to a mass ratio of 2:(1-1.1) to obtain a mixture; under vacuum or a protective atmosphere, performing induction smelting on the mixture to obtain a glass melt; wherein the temperature of the induction smelting is 1500-1700 DEG C, and the time is 30-120 min; taking the glass melt as raw material, performing powdering by a high-pressure water atomization method, cooling, drying, and obtaining beryllium glass powder; wherein when the high-pressure water atomization is performed, the glass melt flows down through the leakage eye of a tundish while being sprayed by a high-pressure water jet. The beryllium glass powder prepared by the method has excellent quality, can preferably meet the requirement of further extracting beryllium from the beryllium glass powder, the process flow of the method is short, the conversion rate of the furnace charge is high, and the preparation cost is reduced.

The invention relates to the technical field of mineral processing, and particularly discloses a method for leaching beryllium from low-grade chrysoberyl type beryllium ore. According to the method for leaching beryllium from the low-grade chrysoberyl type beryllium ore, firstly, the silica-alumina ratio of chrysoberyl type flotation beryllium concentrate is regulated and controlled, then granulation is conducted, then low-temperature alkaline roasting is conducted, the roasting temperature is lower than the chrysoberyl melting temperature, leaching is conducted through a sulfuric acid solution after roasting, and beryllium-rich leaching liquid is obtained through separation. The method has the advantages of low roasting temperature and high beryllium leaching rate.

The invention relates to a method for removing beryllium and thallium from lithium smelting slag through organic acid complexation, which comprises the following steps: (1) carrying out first mixing on the lithium smelting slag and an organic acid complexing agent solution with the pH value of 2.0-3.5, leaching, and carrying out first solid-liquid separation to obtain beryllium and thallium containing leachate and detoxified slag; and (2) carrying out second mixing on the beryllium-thallium-containing leaching solution obtained in the step (1) and an alkaline reagent, carrying out a neutralization reaction, then adding a precipitant, carrying out a precipitation reaction, and carrying out second solid-liquid separation to obtain a beryllium-thallium precipitation enriched product and a beryllium-thallium-removed solution. According to the method, the organic acid complexing agent solution is added for the leaching reaction, effective selective removal of toxic components beryllium and thallium in the lithium smelting slag under the low-acid condition is achieved, and the method can be used for solving the problems that at present, the content of toxic components in the lithium smelting slag is high, and environmental pollution is serious.

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.

A method for producing an object comprising beryllium by depositing a layer of beryllium and a metal inoculant is disclosed. Grain refinement allows the beryllium article to have beneficial properties in terms of strength and durability.

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.

There is provided a copper alloy bonded body composed of members made of an age-hardenable copper alloy, the members diffusion-bonded to one another, wherein a bonding interface between the members remains. In the bonded body, the content of beryllium in the age-hardenable copper alloy is 0.7% by weight or less, and, in a laser microscope image of a section including the bonding interface, a ratio of a total length of a line segment corresponding to a discontinuous region relative to an entire length of a bonding interface line defined along the bonding interface and a position where the bonding interface was present is 3.5% or more. The discontinuous region is defined as a region where, when a plurality of perpendicular lines is drawn with respect to the bonding interface line at a pitch of 5 μm, three or more adjacent perpendicular lines do not intersect with the remaining bonding interface.

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.