49 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 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 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 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 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 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.

The application provides a high-temperature-resistant and erosion-resistant refractory precast block, which comprises a working surface and a backing surface; the working surface is formed by small-size crystal grains and unique dendritic eutectic structures of white corundum, zirconia or synthetic zircon corundum under high-temperature conditions, so that the erosion resistance is realized; a bridging agent A is added into the raw material of the working surface, and a bridging agent B is added into the raw material of the backing surface; the working surface and the backing surface form an integrated structure through the action of the bridging agent A and the bridging agent B, so that the falling of the working surface is avoided, the pollution to the product is avoided, the impurities in the artificial synthetic mica are further reduced, and the yield of the product is improved.

The invention discloses a South African zirconium middling reselection device and method, and relates to the technical field of South African zirconium middling reselection, the South African zirconium middling reselection device comprises a pre-separation assembly and a bottom plate, the bottom of the pre-separation assembly is provided with a bearing assembly used for bearing pretreated mineral materials, and the top end of the bottom plate is provided with a classification screening assembly used for fine screening; a driving assembly used for driving the classifying and screening assembly to conduct reciprocating screening is installed at one end of the classifying and screening assembly, and a feeding assembly used for feeding is further installed at the top of the classifying and screening assembly. Through a synergistic structure of centrifugal pre-separation and fine screening of the screening bed, the centrifugal pre-separation can firstly remove most fine silt in the South African zirconium middling and separate coarse gangue, so that the treatment load of the subsequent screening bed is greatly reduced, meanwhile, the fine silt is prevented from blocking screen holes, the screening bed can adapt to fine classification in a narrow granularity interval, and the screening efficiency is improved. The problem that fine silt removal and grading precision are difficult to consider in traditional single screening equipment is effectively solved.

The present invention provides a method for developing a dolomite standard sample for calibrating an age method, a dolomite standard sample, and its application. The development method includes: providing a dolomite candidate standard sample; providing a calcite standard sample, a zircon standard sample, and a garnet standard sample that have been verified by matrix effect; using the calcite standard sample as the main standard sample and the zircon standard sample and the garnet standard sample as the secondary standard samples, testing the age of the dolomite candidate standard sample twice, and recording the obtained test results as A and B respectively; when A and B satisfy (A-B) / B×100≤3, the dolomite candidate standard sample is used as the dolomite standard sample. The present invention establishes a standard sample development process that is free from diluents and existing standard samples, and successfully develops a dolomite standard sample.

The application relates to the field of investment casting technology, in particular to a silica sol shell and a preparation method thereof. The preparation method comprises the following steps: dipping a mold group into a surface layer coating to perform surface layer coating, and then sprinkling surface layer sand after coating; the surface layer coating comprises surface layer powder, zircon sand and surface layer silica sol; the surface layer powder comprises zirconium powder and fused quartz powder with a mass ratio of 1:0.42-2.34; the mass ratio of the zirconium powder and the zircon sand is 1:0.1-0.2; and the mass ratio of the surface layer powder and the surface layer silica sol is 2.78-3.5:1; dipping the surface layer of the shell into a back layer coating to perform back layer coating, and then sprinkling back layer sand on the surface of the back layer coating after coating; the back layer coating comprises back layer powder and back layer silica sol; the back layer powder comprises kaolin powder and quartz powder with a mass ratio of 1:1.5-1.7; and the mass ratio of the back layer powder and the back layer silica sol is 1:0.9-1.1; and the cost is remarkably reduced when the silica sol shell is prepared by the method.

To provide a structural member that has sufficient durability against plasma. [Solution] The structural member 10 comprises a base material 100 and a protective film 200 covering the surface 110 of the base material 100. The protective film 200 mainly contains lanthanum zircon oxide, and the indentation hardness of the protective film 200 is greater than 7.2 GPa.

The invention discloses a lake basin deepwater fine-grained sediment source analysis method and device, and the method comprises the steps: obtaining sedimentary microfacies recognition result data of a rock core sample of a to-be-detected lake basin region, and generating a sedimentary microfacies profile map of a single well high-frequency sequence; obtaining the fragment zircon age distribution in the fine grain sediment; utilizing the sedimentary microfacies profile map and the detrital zircon age distribution to determine the source associated information of the fine-grained sediment in the same deposition time period; the source associated information comprises fine-grained sediments from the same source; carrying out paleo-landform reduction analysis, paleo-water depth reduction analysis and sediment particle size distribution analysis on the lake basin area to be detected, and outputting sediment carrying characteristic data and sediment distribution characteristic data; based on the object source correlation information, the sediment carrying characteristic data and the deposition distribution characteristic data, density flow deposition body distribution characteristics are analyzed through a well seismic isochronous profile, and a deposition microfacies distribution diagram is output. According to the method, lake basin deepwater fine particle mixed deposition superposed material sources can be distinguished.

This invention discloses a high-temperature clear blue glaze and its preparation method, belonging to the technical field of high-temperature glazes. The high-temperature clear blue glaze of this invention comprises a base glaze and a colorant. The base glaze is composed of potassium feldspar, quartz, kaolin, calcite, talc, and zinc oxide. The colorant is composed of zircon, dolomite, chromium oxide, azurite, pearlite, praseodymium oxide, cerium oxide, and vanadium pentoxide. By adjusting the formula raw materials and controlling the firing process, this invention prepares a natural and beautiful clear blue glaze with a lustrous, crystalline sheen, resembling the colors of lakes and mountains, while also exhibiting high hardness, high wear resistance, and heat resistance. The glaze surface has high density and good stability, and can be widely used in teaware, tableware, decoration, industry, and many other fields.

The application belongs to the technical field of refractory materials, and particularly relates to a composite castable for a coal injection pipe of a cement kiln, a preparation method and application, which comprises the following components in percentage by weight: zircon mullite aggregate: 45-55%; silicon carbide particles: 15-20%; dispersible alumina micropowder: 8-12%; calcium aluminate cement: 4-6%; rare earth modified silica ash: 3-5%, the SiO2 content of the rare earth modified silica ash is greater than or equal to 94%, and 0.5-1.5 wt% of Y2O3 is doped; ZrO2-TiO2-Al2O3 precursor powder: 3-5%; water reducing agent: 0.1-0.3%; retarder: 0.05-0.1%; and the balance is water. 4+ The castable of the application adds ZrO2-TiO2-Al2O3 precursor powder, in-situ reacts at 1100-1300 DEG C, dynamically matches micro-expansion and sintering shrinkage, avoids cracking, Zr doping significantly improves thermal stability, once formed, the Zr-doped aluminum titanate crystal phase does not decompose or reverse in a high-temperature environment in subsequent service, and can maintain structural stability.

The present application relates to a kind of method for producing high-purity zirconia using zirconium-containing recycled material, comprising the following steps: S1 smelting: zirconium-containing recycled material is mixed with quartz sand or soda ash, the mixing ratio of quartz sand is 5-30%, the mixing ratio of soda ash is 10-40%, smelting is carried out under oxidizing atmosphere.The method for producing high-purity zirconia using zirconium-containing recycled material, the method for producing high-purity zirconia using zirconium-containing recycled material, uses zircon sand with impurity content meeting the requirements as raw material, adds smelting aid, smelting is carried out in electric arc furnace including but not limited to, is sprayed into ball, alkali solution decomposition, filter alkali, wash alkali, pickling, washing, filtration, finally through drying and is prepared ZrO2 Content≥99% zirconia powder, the present application provides a kind of green, simple, low-cost technical route for zirconium-containing recycled material, provides a kind of feasible solution for the recycling of zirconia material, with good economic benefit and social benefit.

The invention relates to the technical field of geochemical analysis, in particular to a zircon zirconium isotope detection method, which comprises the following steps: co-loading a zircon sample to be detected and a standard sample with a coherent growth structure; a femtosecond laser system integrated with laser-induced breakdown spectroscopy is used for performing real-time component sensing and dynamically adjusting laser parameters so as to realize intelligent denudation, generated aerosol is ionized by a series quadrupole rod inductively coupled plasma mass spectrometer, and interference is eliminated through two-stage mass screening and chemical reaction in a reaction tank; and a multi-receiver array is adopted to synchronously detect signals, and finally, multi-source data are fused and input into a pre-trained machine learning model for intelligent correction, so that the problems that polyatomic ion interference is serious, the matrix effect is remarkable, and high spatial resolution and analysis precision are difficult to consider at the same time are effectively solved. And high-precision and high-accuracy micro-area in-situ analysis of the zircon zirconium isotope is realized.

Embodiments of the present application provide a mineral exploration method, device and equipment based on metallogenic potential. The method is applied to the field of mineral exploration, and comprises: extracting feature information of a plurality of zircon samples in a target area, and determining whether the feature information of the plurality of zircon samples satisfies at least two items of target conditions; the feature information comprises at least two of the following: trace element content, abnormal value of a target element, or oxygen fugacity; if it is determined that at least two items of the target conditions are satisfied, it is determined that the metallogenic potential of the target area is greater than or equal to a preset level, and the target area is subjected to mineral exploration; the target conditions comprise at least two of the following: the discrete degree of the trace element content is greater than or equal to a preset degree; the change range of the abnormal value of the target element is greater than or equal to a preset range; the number of zircon samples with oxygen fugacity greater than or equal to a preset threshold is greater than or equal to a preset number. The method can improve the preparedness and efficiency of mineral exploration.

The present application relates to the technical field of building ceramics, and discloses a zircon white fused block and a preparation method and application thereof, wherein, according to weight parts, the raw materials of the zircon white fused block include kaolin 12-20 parts, zirconium silicate powder 8-15 parts, quartz 30-42 parts, zinc oxide 3-8 parts, calcium phosphate salt 3-8 parts and fluxing components 20-42 parts. The zircon white fused block is rich in a large amount of microcrystalline zirconium oxide, and the zircon white fused block has excellent chemical temperature resistance and a refractive index significantly higher than that of a glass phase, so that a strong reflection and scattering effect is formed in a glaze surface; by introducing the zircon white fused block with high whiteness and high opalescence into a glaze system, the whiteness and opalescence of the fired glaze surface can be more effectively improved.

The invention provides a method for dividing empty tuff and water-carrying tuff, and belongs to the field of rock type division. The method for dividing the vacant tuff and the water-carrying tuff comprises the following steps: observing and identifying a tuff development section according to a drilling core, and sampling a tuff sample; preparing a polished thin sheet for the collected tuff sample according to the direction vertical to the stratum; performing slice identification on the tuff sample; carrying out particle size analysis on the tuff sample slices; performing U-Pb zircon dating experiment on the tuff sample, and measuring zircon dating data; according to slice identification, particle size analysis and zircon dating data, empty tuff and water-carrying tuff are divided. According to the method, the problem of lack of identification and division standards in tuff research at the present stage is considered, quantitative identification standards on skewness, kurtosis and dating data of the two types of tuff are established according to the difference of deposition carrying modes and mineral sources of the air-falling type tuff and the water-carrying type tuff, and reference indexes are provided for subsequent related research.

The invention relates to the field of new materials, and discloses a method for preparing stable zirconium from zirconium gem waste, which comprises the steps of raw material pretreatment, proportioning and mixing, carbon-poor electric melting, ingot casting and crushing, gradient oxidation annealing and ultrafine grinding, the white zirconium gem waste is heated to be above the temperature interval that zirconium oxide is converted from the monoclinic phase to the tetragonal phase, heat preservation is conducted, in the heat treatment process, the white zirconium gem waste is converted from the monoclinic phase to the tetragonal phase and is in a high-temperature state, crystal lattices are subjected to volume expansion, and volume expansion stress is accumulated in the white zirconium gem waste; and the white zirconium gem waste in the high-temperature state is directly put into a low-temperature medium to be subjected to quenching treatment. According to the method, a high-density microcrack network is actively induced in the crystal through heating and quenching processes, the macroscopic strength of the zirconium gem waste is remarkably reduced through the microcrack network, and the energy consumption of subsequent mechanical crushing is greatly reduced.

This invention discloses an ultrathin sintered stone slab, its preparation process, and its application, belonging to the field of building material manufacturing technology. The process includes: wet co-milling spodumene and zircon in an aqueous medium containing a cationic additive to obtain spodumene-zircon composite micropowder; mixing the spodumene-zircon composite micropowder into a bottom layer powder and a top layer powder, and adding a plastic binder to the bottom, core, and top layers; laying the bottom, core, and top layers powder to form an initial powder layer; sequentially subjecting the initial powder layer to low-pressure venting, medium-pressure stress equalization, and high-pressure superimposed high-frequency micro-vibration compaction, with buffering treatment applied to the edges of the powder layer during compaction; drying the green blank after pressure release and demolding, sintering it in a high-temperature range, and cooling it to obtain the finished product; eliminating the stress difference within the green blank, enabling the finished sintered stone slab to maintain high strength while possessing cold bending characteristics with a large radius of curvature at room temperature, thus solving the technical problems of brittle fracture, poor flatness, and insufficient weather resistance in ultrathin sintered stone slabs.

The utility model relates to the technical field of mixing equipment, in particular to an emulsifier adding device for preparing zircon powder coating. According to the technical scheme, the device comprises a mounting plate, a tank body, a flow guide hopper, a bottom box, a screw rod and a first motor, the mounting plate is arranged at the upper end of the bottom box, the tank body is rotatably mounted in the mounting plate, nuts are arranged on the outer wall of the tank body, the screw rod is rotatably mounted in the mounting plate, and a second motor is arranged at one end of the tank body; and a rotating shaft rotationally installed in the tank body is arranged at one end of the second motor, stirring rods are arranged on the outer wall of the rotating shaft, and a feeding pipe and a batching pipe are installed in the upper end of the tank body in a penetrating mode. Through the tank body with the split structure, the inside of the open tank body can be conveniently cleaned after an emulsifying agent for preparing a quartz powder coating is mixed.

This invention provides a comprehensive investigation system for the boron enrichment mechanism of metamorphic rocks based on 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 spatiotemporal correlation and evolutionary sequence reconstruction module, connected sequentially. By establishing a unified spatial coordinate system, multiple micro-area analysis instruments, such as electron probe microanalysis, laser ablation mass spectrometry, and ion probe microanalysis, are sequentially invoked to perform collaborative analysis on the same sample target, obtaining data on mineral composition, trace elements, boron isotopes, and zircon U-Pb-Hf isotopes. The system automatically fuses multi-source data and intelligently identifies mineral generations, and couples geochemical models with machine learning algorithms to construct an evolutionary sequence model of boron geochemical behavior with absolute time as the axis, achieving a quantitative characterization of the entire process of boron source, migration, and enrichment in an open system. This invention significantly improves the systematicness and accuracy of research on boron enrichment mechanisms in metamorphic rocks.