96 results about "Zircon" patented technology

The invention discloses an enamel ceramic glaze tile with a metal spot bionic effect and a preparation method thereof, and relates to the technical field of ceramics. The enamel porcelain glaze tile comprises a bottom blank, a metal ground glaze layer and a semi-opaque cover glaze layer, the metal ground glaze layer is prepared from a first ground glaze formula or a second ground glaze formula, and the first ground glaze formula comprises, by mass, potassium feldspar, quartz, calcite, kaolin, talc, zinc oxide, ferric oxide and manganese dioxide; the formula of the second ground glaze comprises the following components in percentage by mass: potassium feldspar, quartz, calcite, kaolin, talc, zinc oxide, ferric oxide and chromic oxide; the semi-opaque surface glaze layer is prepared from the following raw materials in percentage by mass: albite, calcite, talc, burnt soil, zircon powder, oriental zirconium, calcined zinc oxide, black clay powder and calcined aluminum oxide. Through a double-layer glaze structure and a black mud powder glaze breaking mechanism, the stereoscopic visual effect that metal spots are randomly generated on an opacifying substrate is achieved, and meanwhile the Moh's hardness of the ceramic tile is improved.

The invention discloses a method for evaluating the mineralization potential of porphyry copper-(gold-molybdenum) ore. The evaluation method comprises the following steps: determining candidate rock masses with relatively high mineralization potential according to an oxygen fugacity value of magma zircon and / or a magma water content value of hornblende in a rock sample in an evaluation area; the aluminum saturation index ASI of the candidate rock mass is measured and calculated, the distribution coefficient and the distribution coefficient ratio of Cu, Au and Mo between fluid and melt are determined according to the ASI, simulation calculation is conducted through a Rayleigh fractionation model according to the distribution coefficient and / or the distribution coefficient ratio, and the content ratio of Au to Cu to Mo to Cu of the candidate ore body is obtained. According to the method, the mineralization potential of the porphyry copper ore and the enrichment degree and grade of Cu, Au and Mo of potential ore bodies can be rapidly and accurately evaluated.

The invention discloses a method for analyzing a sedimentary basin object source based on the detrital zircon age, and belongs to the field of analysis and detection, and the method comprises the following steps: S1, uniformly sampling in a known well and a potential object source area of a target layer to obtain a rock sample; s2, slicing the obtained rock sample to obtain a plurality of common slice samples and casting body slice samples, then performing component identification on slices, and analyzing identification results; s3, performing statistics on sandstone debris components of the Benxi group sample in the research area, and drawing a lithologic triangular diagram; s4, drawing a Qt-F-L diagram according to the debris component data of the research area; s5, representative samples in the research area are selected for heavy mineral analysis; s6, selecting representative samples in the research area, and measuring major elements and rare earth elements in the representative samples to analyze the material source supply condition of the research area; s7, performing U-Pb chronological characteristic analysis on the fragment zircon of the sample; and S8, performing U-Pb dating analysis on the fragment zircon of the sample.

The invention relates to a method for measuring oxygen isotope of chromite by laser fluorination-gas mass spectrometry, which comprises the following steps: 1) sample screening: analyzing major elements and oxygen isotope of chromite to obtain a homogeneous sample: 2) mixing the chromite sample with oxygen-containing minerals, and analyzing oxygen isotope by laser fluorination-gas mass spectrometry; and 3) establishing a correction equation of the Cr2O3 content and the oxygen isotope delta < 18 > O difference value, and correcting the oxygen isotope delta < 18 > O value. According to the method, a certain amount of zircon is mixed into the chromite sample, so that the oxygen yield is remarkably improved, and the data of the test method are effectively corrected by utilizing a correction calculation equation between the delta < 18 > O difference value and the Cr2O3 content, so that the accuracy of oxygen isotope detection is improved.

The invention discloses a multi-source unmixing analysis method and system for a geological source-sink system based on a dzmix inverse Monte Carlo model, relates to the technical field of tectonic sedimentology and data modeling crossing, and collects and arranges zircon U-Pb chronological data of a target horizon mixed sample in a research area and zircon U-Pb chronological data of a basin peripheral material source area. Establishing a multi-source area big data chronology database of the research area; and establishing standard stratum characteristics in combination with regional sedimentary characteristics and petrology characteristics. According to the method, the contribution proportion of the multi-source substances in the geological source-sink system is quantitatively recovered, the defects that a traditional source-sink analysis method depends on priori end member selection and is easily influenced by personal errors are overcome, the inverse Monte Carlo model is used for carrying out iterative simulation for multiple times, the simulation effect is gradually optimized, the accuracy and reliability of a de-mixing result are ensured, and the method is suitable for large-scale popularization and application. And a more scientific and accurate technical means is provided for geological research and resource exploration.

The invention relates to the technical field of mineral processing, and discloses a method for separating zirconium and hafnium in zirconite, which comprises the following steps: pretreating raw materials, crushing the zirconite raw materials into particles with the particle size of 0.5-5mm through a jaw crusher, obtaining particles with uniform particle size through vibrating screening equipment, and then separating zirconium and hafnium in the zirconite by adopting a mineral separation and purification technology combining gravity separation, magnetic separation and electric separation to obtain zirconium and hafnium in the zirconite. Gangue and iron-titanium impurities are removed according to density, magnetism and electrical property differences; and chlorination reaction: mixing the pretreated zirconite and carbon according to the mass ratio of 1: 0.8, putting the mixture into a high-temperature chlorination furnace, carrying out chlorination for 4 hours at the temperature of 850-1100 DEG C to generate (Zr, Hf) Cl4 mixed gas, and collecting and purifying the gas through a condensation and washing device to ensure the purity of the zirconium-hafnium chloride in the gas. The method for separating the zirconium and the hafnium in the zirconite aims at solving the problems of low separation efficiency, high cost and serious environmental pollution generally existing in a traditional zirconium and hafnium separation method.

The present invention discloses a method for determining the maximum burial temperature of a formation by using carbonate clumped isotopes. The method provided by the present invention comprises the following steps: collecting formation samples and petrological analysis; testing the carbonate clumped isotope Δ47 of the samples; calculating the clumped isotope temperature T of the samples Δ47 ; preliminarily estimating the range of the maximum burial temperature of the formation where the samples are located; and according to the preliminary estimation result, selecting a solid-state reset model to determine the maximum burial temperature of the formation. The present invention solves the problem that it is difficult to accurately determine the maximum burial temperature for ancient marine carbonate rock formations due to the lack of vitrinite or zircon, reduces the result error, clarifies the applicable scope of the method, improves the feasibility, and has very important significance for the evolution of the organic matter maturity of source rocks and the evaluation of oil and gas resources in this formation series.

The present invention provides a dolomite standard sample development method calibrated by an age method, a dolomite standard sample and the use thereof. The development method comprises: providing a candidate of a dolomite standard sample; providing a calcite standard sample, a zircon standard sample and a garnet standard sample which have been subjected to verification of matrix effects; taking the calcite standard sample as a main standard sample, and the zircon standard sample and the garnet standard sample as secondary standard samples, measuring the age of the candidate of the dolomite standard sample twice, and marking the test results as A and B; and when A and B satisfy (A-B) / B×100≤3, using the candidate of the dolomite standard sample as a dolomite standard sample.

The invention relates to the technical field of ore separation, in particular to titanium-zirconium ore tailing check separation equipment and method.The titanium-zirconium ore tailing check separation equipment comprises a variable-diameter chute and a magnetic enrichment assembly, and the variable-diameter chute comprises a low-speed layer, a high-speed layer and a medium-speed layer which are sequentially connected from top to bottom; the magnetic enrichment assembly is arranged on the inner ring of the variable-diameter chute; tailing ore pulp spirally flows at a low speed when entering the low-speed layer, magnetic minerals in the tailing ore pulp are attracted to the inner edge to complete sufficient sedimentation, radial layering is conducted under the centrifugal force effect of high-speed spiral flowing when the tailing ore pulp enters the high-speed layer, and magnetic aggregates generated by the magnetic minerals are disintegrated by repulsive force at the moment; ilmenite and zirconite are fully separated to improve the grade, magnetic minerals are enriched towards the inner edge again while the flow speed is reduced after the ilmenite and the zirconite reach the medium-speed layer, the ilmenite with the enriched inner edge is prevented from being scoured for the second time, and therefore the recycling rate is improved; the problem that the tailing recycling rate is low due to the fact that the fine grain content of the tailings is high and the sorting difficulty is high is solved.

A novel observation apparatus (3) and a brick structure (2) for a neutral borosilicate glass melting furnace (1). The brick structure (2) is used for mounting in an observation port (14) provided on a side wall of the melting furnace (1), the brick structure (2) comprising an inner observation brick (21) and an outer observation brick (22), the outer observation brick (22) and the inner observation brick (21) being provided with an observation hole (24) which expands from outside to inside, the outer observation brick (22) being made of sintered zirconium mullite brick or sintered zircon brick, and the inner observation brick (21) being made of fused zirconium corundum brick or fused corundum brick. The observation apparatus (3) is disposed at the smallest opening of the observation hole (24), and the observation apparatus (3) comprises an observation tube (31) and an observation cover (32), one open end of the observation tube (31) being in communication with the observation hole (24), and a top part of the observation cover (32) being hinged to a top part of the other open end of the observation tube (31). The brick structure (2) reduces heat dissipation loss, and the observation apparatus (3) is embedded and has a compact structure, making regular fire observation operations more convenient.

The invention relates to the technical field of oil and gas exploitation, discloses a low-density high-strength ceramsite proppant as well as a preparation process and application thereof, and aims to solve the technical problem that the density and the strength of an existing ceramsite proppant are mutually restricted. The proppant has a core-shell structure with an inner core and an outer shell. The inner core is formed by sintering a first material containing bauxite, clay, a composite pore-forming agent and a carbon-silicon precursor and is used for forming a loose and porous low-density structure, and silicon carbide whiskers are generated in situ in the loose and porous low-density structure for reinforcement. The shell is formed by sintering a second material containing bauxite, clay and zircon sand and is used for forming a compact and high-strength protective layer and generating zirconium oxide particles in situ in the protective layer for toughening. The preparation process comprises the following steps: preparing core-shell structure green pellets by a two-step method, and adopting a double-atmosphere program temperature control sintering process of medium-temperature reduction and high-temperature oxidation. According to the invention, through the combination of the structure zoning and the zoning in-situ enhancement technology, the prepared proppant has ultralow density and excellent crushing resistance.

The present application discloses a method, device and related equipment for determining the apparent age of zircon fission tracks, the method comprising: determining an annealing model of zircon fission tracks, the annealing model recording the constraint relationship between track length ratio, time and temperature; determining the track length ratio of the zircon sample in each time interval within a target simulation period based on the annealing model and a preset thermal history curve, the target simulation period being the period included in the thermal history curve; determining the track density of the zircon sample in each time interval within the target simulation period based on the track length ratio of the zircon sample in each time interval within the target simulation period; determining the apparent age of the fission track of the zircon sample based on the track density of the zircon sample in each time interval within the target simulation period. The present application calculates the apparent age of the fission track of the zircon sample by forward simulation of the fission track, which has certain practical significance in the application of low-temperature chronology.

The invention relates to a method for producing a refractory block. A method of manufacturing a refractory block comprising more than 80% zirconia, based on the weight of oxides, the method comprises the following steps: a) melting a feed comprising more than 50% by weight of zircon under reducing conditions in order to reduce the zircon and obtain a molten material, b) applying oxidation conditions to the molten material, the oxidation conditions being obtained by the combined action of an intermediate length arc that does not produce reduction and stirring that facilitates reoxidation, c) casting the molten material, d) cooling until the molten material at least partially solidifies into a block, the block weight being greater than 10 kg, e) optionally subjecting the block to a heat treatment, the feed comprising alumina particles on the one hand and sodium and / or boron source particles on the other hand, the method parameters being such that the block obtained in step d) has greater than 2.5% SiO2 and greater than 0.2% Na2O.

The present application relates to the technical field of glaze, and particularly relates to a composite zircon white opal frit, a preparation method thereof, super-white glaze using the composite zircon white opal frit and ceramic tile. The raw materials of the composite zircon white opal frit include, in terms of weight parts, quartz 25-40 parts, calcined alumina 5-10 parts, potassium feldspar 20-35 parts, talc 3-10 parts, calcite 5-10 parts, calcium phosphate 5-10 parts, calcined shell 1-5 parts, zirconium boride 7-15 parts, zirconite sand 3-10 parts, kaolin 1-5 parts and zinc oxide 3-10 parts. The raw materials of the composite zircon white opal frit described above can make the composite zircon white opal frit have a high whitening effect; meanwhile, two cooling and holding processes are adopted in the cooling and holding stage, the content of SiO2, P2O5 and MgO in the chemical composition of the composite zircon white opal frit is adjusted, a large amount of fine needle-like MgSiO3 can be generated, and the opalescence and whiteness of the glaze are improved after the obtained composite opal frit is used in the glaze.

The invention belongs to the technical field of refractory materials, and particularly relates to a composite castable for a cement kiln coal injection duct and a preparation method and application of the composite castable for the cement kiln coal injection duct. 15-20% of silicon carbide particles; 8-12% of dispersed alumina micro powder; 4-6% of calcium aluminate cement; the content of SiO2 in the rare earth modified silica fume is greater than or equal to 94%, and the rare earth modified silica fume is doped with 0.5-1.5 wt% of Y2O3; 3% to 5% of ZrO2-TiO2-Al2O3 precursor powder, 2% to 5% of ZrO2-TiO2-Al2O3 0.1%-0.3% of a water reducing agent; 0.05 to 0.1 percent of a retarder; and the balance of water. According to the castable, ZrO2-TiO2-Al2O3 precursor powder is added, in-situ reaction is carried out at the temperature of 1100-1300 DEG C, micro-expansion and sintering shrinkage are dynamically matched, cracking is avoided, thermal stability is remarkably improved through doping of Zr < 4 + >, and once the ZrO2-TiO2-Al2O3 precursor powder is formed, a Zr-doped aluminum titanate crystal phase cannot be decomposed or reversed in a high-temperature environment in follow-up service, and the structural stability can be kept.

The invention belongs to the technical field of refractory materials, and particularly relates to a zircon electrode brick and a preparation method and application thereof. According to the zircon electrode brick, powder and an organic binding agent are subjected to wet grinding to obtain slurry, the slurry is subjected to spray granulation to obtain granulation powder, the granulation powder is subjected to isostatic pressing to obtain a green body, the green body is sintered to obtain the electrode brick, and the powder comprises the following raw materials in percentage by weight: 10-40% of 65-grade zircon powder; 59.3% to 89.6% of 66 grade zirconite powder; and 0.4%-0.7% of titanium dioxide. The high-temperature resistivity and the high-temperature stability are greatly improved, and the service life is long. The invention also provides a preparation method and application in a glass furnace.

The present invention provides a method for separating and enriching zircon minerals from alkaline rock-type rare earth ores, and relates to the technical field of mineralogy. The present invention recovers zircon from rare earth niobium flotation tailings by preferentially flotating rare earth and niobium minerals; adopts the "superconducting strong magnetic separation + shaking table gravity separation" method to preliminarily enrich weakly magnetic zircon and non-magnetic zircon; through the "ultrafine grinding-microbubble flotation-centrifugal gravity separation" method, a zircon collector with good effect is obtained by compounding, assembling and saponifying reagents, and finally a high-grade zircon concentrate is obtained by step-by-step enrichment, thereby achieving accurate and efficient recovery of zircon. The ZrO2 grade in the zircon concentrate is 55.63%, and the recovery rate is 60.82%. The present invention overcomes the technical difficulties of low (weakly magnetic) zircon recovery rate and dissociation and recovery of fine-grained zircon in the complex mineral system of alkaline rock-type rare earth ores, laying the foundation for the efficient enrichment and economic utilization of zircon in such deposits.

The invention relates to the technical field of geological exploration, and discloses a deep exploration evaluation method based on multi-parameter geology and thermal history simulation. Mineralized quartz and granite samples in a target area are collected, the samples are sent into a laboratory to be processed, including cleaning, cutting and grinding, the collected samples are analyzed, and the analysis result is obtained. The method specifically comprises the following steps: analyzing the metallogenic depth of an inclusion, analyzing the invasion depth of a rock mass, analyzing the invasion age of a sample, and obtaining the cooling age of the sample by combining fission tracks of zircon and apatite. The method is used for analyzing a collected sample, and specifically comprises the following steps: analyzing the metallogenic depth of an inclusion, analyzing the invasion depth of a rock mass, analyzing the invasion age of the sample, obtaining the cooling age of the sample by combining fission tracks of zircon and apatite, and carrying out comprehensive calculation based on the denudation thickness, the invasion depth and the formation depth of an ore body. Therefore, the storage condition of the ore body is finally obtained, deep mineralization favorable information is obtained, and deep mineral product prediction is realized.

The utility model discloses a zirconite sorting and collecting device which comprises a bottom plate, a shell is arranged above the bottom plate, a conveying assembly is installed at the front end of the shell, a positioning assembly is installed at the top end of the bottom plate, and a lifting assembly is installed at the top end of the bottom plate and located on the right side of the positioning assembly. A connecting assembly is installed at the top end of the bottom plate and located on the right side of the lifting assembly. According to the zirconite sorting and collecting device, the angle of the top end of the conveying assembly is changed by starting a hydraulic rod through transmission of a supporting frame, adjustment is conveniently conducted in cooperation with the size of minerals, the winnowing effect is kept, and the mixing condition is prevented; the moving part drives the steering roller to move through the fixing rod, so that the conveying belt is in a stable working state, the conveying belt is prevented from being too tight or too loose, and mineral screening is prevented from being affected.

The application relates to a refractory material and a preparation method, application and refractory brick thereof, and a glass melting furnace. The preparation raw material of the refractory material comprises the following components in parts by mass: 55-80 parts of fused zirconium mullite, 10-15 parts of zirconium oxide powder and 10-30 parts of aluminum oxide powder. The fused zirconium mullite, the aluminum oxide powder and the zirconium oxide powder are synergized through the specific proportion, and after sintering treatment, a crystal phase structure mainly composed of mullite crystals is formed, and there are zirconite phases and eutectoid of corundum and baddeleyite crystals in the crystal phase structure, the crystal phase structures are interwoven together to form a frame structure. Part of the low-melting-point components in the fused zirconium mullite exist in a molten glass phase in the sintering process and are filled between the crystal lattices of various crystal phases, so that the product has a compact structure, the porosity is reduced, and the performance of resisting glass liquid corrosion is improved.

This invention discloses a non-stoichiometric sodium iron manganese phosphate cathode material with high phase purity. This sodium iron manganese phosphate cathode material has the following general chemical formula: zMPO4-Na x Fe y Mn a‑y (PO4)2(P2O7) / C, where 3.7≤x≤4.3, 1≤y≤2, 2.92≤a≤3, 0<z≤0.1, and the molar ratio of Na to transition metals Fe and Mn (TM) (Na / TM) is between 1.23 and 1.45, with M being Sc, Y, Ho, or Tb. Through non-stoichiometric design, controllable concentrations of sodium vacancies and interstitial Na are actively introduced into the crystal lattice. + Optimized Na + Transport; then by introducing phosphate MPO4 with zircon-type structure as a diffusion promoter, Mn enrichment is avoided and the formation of NMP impurity phase is reduced, and the phase purity of the material is ≥93%; the synergistic effect of the two greatly improves the capacity and rate performance of the material.

The application discloses a ladle slag line brick for smelting high-alloy steel, which comprises main raw materials and auxiliary materials, wherein the main raw materials comprise 55-70% of fused large-crystal magnesia material, 5-15% of fused zircon spinel material, 0.5-1% of calcium aluminate material, 5-15% of fused barium zirconate material, 12-17% of high-purity graphite material and 1-3% of antioxidant, and the auxiliary material is a phenolic resin binder, and the phenolic resin binder accounts for 2-4% of the mass of the main raw materials; the particle size range of the fused large-crystal magnesia material is 8-0.5 mm, the particle size range of the fused zircon spinel material is 0.5-0.1 mm, and the particle size range of the fused barium zirconate material is 0.1-0.045 mm. The reaction between magnesia and carbon in the slag line brick is reduced, the compact structure of the slag line brick is retained, and the service life is increased by more than 30% compared with that of the magnesia-carbon brick.

The invention discloses a method for solidifying Sr, U and Ce in electrolytic refining waste salt through zirconolite type ceramic and application, and belongs to the technical field of solidification of high-radioactivity nuclear waste. According to the method, a K2CO3 precipitant is added into LiCl-KCl molten salt containing SrCl2, UCl4 and CeCl3 after electrolytic refining, so that precipitates, namely SrCO3, UO2 and CeO2, of splitting elements are obtained. The preparation method comprises the following steps: dissolving a precipitate in water, washing away residual molten salt on the surface of the precipitate, mixing the precipitate with perovskite matrix materials CaCO3, ZrO2 and TiO2, and sintering at 1200-1400 DEG C for 3-24 hours to obtain a ceramic solidified body, the chemical formula of a ceramic main body is Ca < 1-x > Sr < x > Zr < 1-y > UyTi2O7 and Ca < 1-x > Sr < x > Zr < 1-y > CeyTi2O7, x is greater than or equal to 0.2, and y is less than or equal to 0.6. The main phase of the ceramic solidified body prepared by the method is zirconolite, the embedded elements are uniformly distributed, the chemical property is stable, the nuclide leaching rate is low, and the ceramic solidified body has good high-level waste inclusiveness and is suitable for long-term deep geological storage.

Sintered bead that has a crystalline composition, as percentages by weight based on the total weight of the crystalline phases: zircon<25%; 50%≤cubic zirconia+tetragonal zirconia≤95%, the cubic zirconia content being greater than 50%, the cubic zirconia content being the (cubic zirconia / (cubic zirconia+tetragonal zirconia) ratio by weight); 0≤monoclinic zirconia≤(10−0.2*tetragonal zirconia) %; 5%≤corundum≤50%; crystalline phases other than zircon, cubic zirconia, tetragonal zirconia, monoclinic zirconia and corundum<10%; and the following chemical composition, as percentages by weight based on the oxides: 34%≤ZrO2+HfO2, ZrO2+HfO2 being the remainder to 100%; HfO2≤4.0%; 0.5%≤SiO2≤14.1%; 4.5%≤Al2O3≤49.6%; 2.75%≤Y2O3≤22.8%; MgO≤5%; CaO≤2%; oxides other than ZrO2, HfO2, SiO2, Al2O3, MgO, CaO and Y2O3<5.0%.

The invention relates to the technical field of tapping channel castable, in particular to nano sol castable for a blast furnace tapping channel, a preparation method of the nano sol castable and the blast furnace tapping channel. The castable comprises nano sol and a refractory material, the refractory material comprises the following raw materials: electrofused compact corundum, silicon carbide, zirconium mullite, activated alumina micro powder, silica powder, a dispersing agent, an anti-explosion agent and a thermal shock resistant enhancer, and the thermal shock resistant enhancer is selected from one or more of silicon nitride or yttrium oxide. The bending strength of the nano sol castable in a cold state after being burnt at 1450 DEG C for 3 h is 13 MPa or above, the compression strength is 100 MPa or above, the linear change rate is + 0.5% or below, the bending strength in a hot state at 1400 DEG C for 0.5 h is 16 MPa or above, water quenching thermal shock resistance at 1100 DEG C is 10 times or above, and the use requirements of a blast furnace tapping channel in high-temperature and thermal shock environments can be better met.

The invention provides a multi-source geochemical data-based tectonic environment probability discrimination method and equipment, and relates to the technical field of geological prospecting, quality screening is performed on total rock, zircon and apatite data according to metadata of a target igneous rock sample, the influence of original data quality difference on a discrimination result is reduced from a data source, and the discrimination efficiency is improved. The screened total rock element vector, the screened zircon point location data and the screened apatite point location data are subjected to detection limit uniformization through metadata, so that the comparability of cross-batch and cross-laboratory is improved, and false correlation is inhibited; and feature calculation and feature aggregation are performed on the transformed total rock element vector, the transformed zircon point location data and the transformed apatite point location data, so that the problems that multi-point location data fusion is not standard and cross-evidence consistency cannot be quantified are solved, and the judgment stability of a construction environment is improved from multiple aspects.

The invention provides a metamorphic rock boron enrichment mechanism comprehensive investigation system based on a micro-area in-situ technology. The system comprises a sample target preparation and characterization module, a combined micro-area in-situ analysis module, a data integration and processing module and a space-time correlation and evolution sequence reconstruction module which are connected in sequence. The method comprises the following steps: establishing a uniform space coordinate system, and sequentially calling an electronic probe, a laser ablation mass spectrum, an ion probe and other micro-area analysis instruments to carry out collaborative analysis on the same sample target to obtain data of mineral components, trace elements, boron isotopes and zircon U-Pb-Hf isotopes. The system carries out automatic fusion and mineral generation intelligent identification on multi-source data, couples a geochemical model and a machine learning algorithm, constructs a boron element geochemical behavior evolution sequence model taking absolute time as an axis, and realizes quantitative description of the whole process of source, migration and enrichment of boron in an open system. According to the method, the systematicness and the accuracy of the study on the boron enrichment mechanism of the metamorphic rock are remarkably improved.

The invention discloses high-self-opening-rate stuffing sand based on gradient sintering and a micro-valve effect. The stuffing sand comprises a compact sealing layer, a weak combination transition layer and a loose maintaining layer which are arranged in sequence. Wherein the compact sealing layer comprises the following raw materials in parts by weight: 50-70 parts of chromite sand, 20-30 parts of zircon sand, 5-8 parts of potassium feldspar powder, 2-4 parts of boron glass powder, 2-3 parts of high-purity graphite and 0.5-1 part of metal silicon powder; the weak bonding transition layer comprises the following raw materials in parts by weight: 50-70 parts of zircon sand, 20-30 parts of low-chromium magnesia, 3-5 parts of potassium feldspar powder, 2-3 parts of boron glass powder, 1-3 parts of inert microbeads, 2-3 parts of high-purity graphite, 0.5-1 part of metal silicon powder and 0.1-0.5 part of organic fibers; the loose maintaining layer comprises the following raw materials in parts by weight: 97-99 parts of high-purity fused magnesite and 1-3 parts of high-purity graphite. During preparation, all layers of granules are prepared according to a formula, and then the granules are sequentially laid at the bottom of a furnace layer by layer. The production efficiency is high, the self-opening rate of the obtained ladle filler sand is stably larger than or equal to 99.4%, and the ladle filler sand is suitable for preparing high-quality steel such as high-oxygen steel and clean steel and also has a good effect on steel ladles with the use time longer than 60 minutes.

The invention relates to the technical field of electric porcelain insulators, and particularly discloses a glaze for improving the bonding strength of a glaze blank. Comprising the following raw materials in parts by mass: 6-10 parts of bentonite, 6-10 parts of calcium metasilicate micro powder, 6-14 parts of calcined talcum powder, 18-22 parts of sail feldspar, 8-12 parts of Anyang feldspar, 18-22 parts of Pingxiang natural quartz powder, 12-16 parts of Shaanxi kaolin, 6-10 parts of superfine zircon sand micro powder, 1-3 parts of aluminum oxide micro powder, 1-3 parts of industrial-grade barium carbonate and 0.04-0.08 part of sodium carboxymethyl cellulose. The preparation method of the glaze capable of improving the bonding strength of the glaze blank comprises the following steps: S1, ball milling: taking the raw materials, adding water and performing ball milling to obtain primary slurry; s2, sieving the primary slurry to obtain secondary slurry, and aging the secondary slurry to obtain the glaze slurry capable of improving the bonding strength of the glaze. According to the application of the glaze for improving the bonding strength of the glaze blank, the glaze for improving the bonding strength of the glaze blank is applied to an electric porcelain insulator. The scheme is used for improving the bonding strength of the glaze blank and reducing the collision damage rate before firing.

The invention relates to the technical field of applied geology, and discloses a coverage area rock augmentation height quantitative recovery method based on big data, which comprises the following steps: S1, obtaining a clastic zircon sample in a sedimentary basin of a research area, measuring U-Pb age and trace element data of the clastic zircon sample, and constructing a multi-dimensional clastic zircon database; s2, screening the data in the step S1, and removing Th / Ult; 0.1, Legt; the zircon data is 1 ppm, and the zircon from the S-type granite source is excluded. According to the coverage area rock augmentation height quantitative recovery method based on the big data, a technical chain of earth crust thickness inversion-paleo-elevation reconstruction is constructed based on multi-dimensional chipping zircon geochemical data, the denudation preservation state and development potential of mineral resources can be quantitatively analyzed, the method has universal guiding significance for deep prospecting, and the method is suitable for large-scale popularization and application. In the aspects of resource economy evaluation and exploration decision making, direct correlation analysis of denudation amount and buried depth data is realized.