618 results about "Wollastonite" patented technology

The invention relates to the field of friction materials, and discloses a friction material with a stable friction coefficient for an electromagnetic brake and a preparation method of the friction material. An adhesive comprises polysiloxane modified phenolic resin, benzoxazine and butyronitrile rubber powder; the reinforcing material comprises 1414 para-aramid pulp, calcium sulfate whiskers, composite mineral fibers, copper fibers and modified needle-like wollastonite; the friction increasing material comprises macroporous shell activated carbon, friction particles, garnet powder, barite and nano hafnium nitride; the antifriction material comprises graphite fluoride, nylon and composite modified hydroxyl silicate; the composite modified hydroxyl silicate is obtained by modifying hydroxyl silicate with diisocyanate and stearic acid and then compounding silane modified micro-nano calcium carbonate. The friction material provided by the invention is used for improving the braking stability of an electromagnetic brake and reducing equipment vibration.

The invention relates to the technical field of friction materials, and particularly discloses an electromagnetic brake friction material prepared from granules and a preparation process of the electromagnetic brake friction material in order to solve the problem that an existing electromagnetic brake friction plate is difficult to prepare or insufficient in performance. The reinforcing material comprises plasma modified aramid pulp, coupling modified composite mineral fibers, SiO2 coated tetrapod-like zinc oxide whiskers and carbon fiber-aluminum silicon whiskers; the filler comprises modified needle-like wollastonite and organic modified precipitated barium sulfate; the adhesive comprises boron-silicon synergistic modified phenolic resin and modified carboxy nitrile rubber. The raw materials are improved, and granules are prepared by adopting a mixing and crushing process, so that the content of an adhesive can be greatly reduced, meanwhile, the die filling efficiency can be improved, the die thickness and the high-temperature heat fading of the friction material can be reduced, a cold press molding process can be omitted, and the qualification rate of finished friction materials can be improved.

The invention provides a mineralization composition as well as a preparation method and application thereof. The mineralization composition comprises modified celestite, modified strontium-containing dolomite, modified medical stone, modified zeolite, modified tourmaline, modified wollastonite and modified serpentine. The strontium ion dissolution amount of the modified celestite is 50 to 55 mg / L; the strontium ion dissolution amount of the modified strontium-containing dolomite is 15 to 20 mg / L; the metasilicate ion dissolution amount of the modified medical stone is 30 to 35 mg / L; the metasilicate ion dissolution amount of the modified zeolite is 40 to 45 mg / L; the metasilicate ion dissolution amount of the modified tourmaline is 3 to 5 mg / L; the dissolution amount of metasilicate ions in the modified wollastonite is 3 to 5 mg / L; the dissolution amount of metasilicate ions in the modified serpentine is 10 to 15 mg / L. The mineralization composition can stably and enduringly release strontium ions and metasilicate ions, and also can adjust the water quality to alkalescence, so that the water quality reaches the national drinking water standard, and safe and healthy drinking water can be provided for users.

The invention relates to an anorthite material and a preparation method thereof. The adopted technical proposal comprises the following steps of: according to (ZL200510019664.3) patent technology, namely a method for preparing titanium and a titanium alloy by utilizing titanium-containing furnace slag, taking molten tailings which is extracted with the titanium alloy as a raw material, adding 20 to 50 weight percent of silica, 0 to 60 weight percent of clay and 0 to 40 percent aedelforsite, and cooling a melt to obtain the anorthite material after the mixture is completely molten and a bath composition is uniform; or taking cold tailings extracted with the titanium alloy as the raw material, adding 20 to 50 weight percent of the silica, 0 to 60 weight percent of the clay and 0 to 40 percent the aedelforsite, carrying out mix grinding on the raw material and the admixture until the particle size is less than 0.1 mm, performing blank compression, and calcining the mixture at a temperature of between 1,200 and 1,400 DEG C to obtain the anorthite material. The method takes the tailings extracted with the titanium as the raw material, saves precious bauxite resources, has low cost, ensures that industrial residue is utilized with high added value, is environment-friendly and has simple process.

The invention relates to a self-repairing concrete complexing agent and a preparation method thereof, and belongs to the technical field of concrete.The self-repairing concrete complexing agent is prepared from 1-4 parts of microorganism induction repairing agent, 2-6 parts of nanometer wollastonite, 10-15 parts of slow-release repairing liquid and 0.02-0.12 part of magnesium oxide. Triple repair mechanisms of microbial mineralization, chemical gel and nano-filling are fused, crack initiation and expansion to a stable whole stage are covered, the repair system is far better than a single repair system, the slow release liquid realizes on-demand release of the repair agent, one-time consumption failure is avoided, durability is improved by 50% or above, nano wollastonite and magnesium oxide micro-expansion synergistically enhance compactness, and the repair effect is good. Meanwhile, the method is compatible with an existing concrete production line, complex equipment is not needed, energy consumption is reduced, the use amount of components is small, microbial metabolism and natural minerals are further utilized, pollution of chemical expanding agents is reduced, only water triggering is needed in the repairing process, no toxic by-product is generated, and the method meets the green building material standard.

The invention discloses a ceramic rock plate with a decorative effect and a production process thereof, and belongs to the technical field of ceramics. The rock plate is composed of a green body layer, a ground glaze layer, a cover glaze layer and an ink jet pattern layer, and after firing, a micro-nano rough and low-surface-energy synergistic protection layer is formed through oxygen-nitrogen plasma activation, a hydrothermal reaction of aluminum salt and an ammonia source compound, high-temperature calcination and silane derivative dipping and curing. The green body takes wollastonite, quartz sand and the like as raw materials, and the ground glaze and the cover glaze adopt a feldspar-quartz-nepheline system; after firing, performing plasma treatment and hydrothermal treatment to generate needle-shaped aluminum oxide, and introducing a silane derivative to realize double functions of super-hydrophobicity and wear resistance. Compared with the prior art, the anti-fouling and wear-resistant coating reaches the national standard 5 level, the process is simple, and the coating can be directly connected to an existing production line and is suitable for high-end wall floor decoration.

The invention belongs to the technical field of ceramics, and particularly relates to a three-dimensional effect glaze, a three-dimensional effect ceramic tile and a preparation method thereof. The three-dimensional effect glaze is composed of honeycomb ground glaze and honeycomb effect glaze; the honeycomb ground glaze comprises the following mineral components in percentage by mass: 20%-30% of quartz, 5%-10% of kaolin, 12%-18% of albite, 7%-15% of calcite, 2%-7% of wollastonite, 12%-17% of calcined talc, 15%-25% of calcined zinc oxide, 2%-6% of titanium dioxide, 2%-4% of glass powder, 1%-3% of strontium carbonate and 1%-5% of dolomite. The glaze with the honeycomb effect comprises the following mineral components in percentage by mass: 5%-15% of quartz, 5%-10% of kaolin, 40%-55% of albite, 2%-6% of barium ice feldspar, 2%-10% of calcite, 7%-15% of calcined talc, 1%-4% of calcined zinc oxide, 7%-15% of red mud and 3%-5% of coal gangue. The novel effect glaze is developed, the glaze surface is flat and smooth, meanwhile, the ground glaze is pushed to the surface through the gas phase disturbance effect, and the effect glaze sinks and wraps the ground glaze in a three-dimensional honeycomb shape.

The invention discloses a preparation method of a Yellow River deposited sand aggregate cement-based water permeable brick, which comprises the following steps: (1) uniformly mixing Yellow River deposited sand, municipal sludge, chopped basalt fiber and diluted molasses liquid, granulating, drying, and sintering to obtain a water permeable coarse aggregate; and (2) adding pseudo-wollastonite powder and red brick micro powder into water glass, uniformly stirring to form slurry, then adding the water-permeable coarse aggregate into the slurry for surface coating, then separating out the coarse aggregate, performing carbonization treatment under a heating condition, and drying the obtained aggregate after the carbonization treatment is completed, thereby obtaining the modified water-permeable coarse aggregate. And (3) uniformly mixing the cement component, the waste red brick coarse aggregate, the modified permeable coarse aggregate, the glass powder, the fiber, the water reducing agent and water, casting and molding the obtained slurry, and curing. The method effectively overcomes the adverse effect on the performance of the water permeable brick caused by high silt content of the yellow river sedimentary sand, and facilitates the resource utilization of the yellow river sedimentary sand.

The invention relates to the technical field of cables, and provides a flame-retardant medium-voltage power cable and a preparation method thereof. The flame-retardant medium-voltage power cable comprises a conductor and a flame-retardant layer, the flame-retardant layer is prepared from the following raw materials in parts by weight: 65 to 75 parts of ethylene-vinyl acetate copolymer, 25 to 35 parts of polyolefin elastomer, 10 to 12 parts of maleic anhydride grafted polyethylene, 10 to 14 parts of phosphorus-nitrogen modified wollastonite, 8 to 10 parts of polydopamine / silane double-layer modified magnesium hydroxide, 3 to 5 parts of nano zinc borate, 0.6 to 1 part of antioxidant and 0.5 to 0.7 part of calcium stearate. According to the flame-retardant medium-voltage power cable prepared in the invention, the flame-retardant performance is improved, and the flame-retardant stability of the cable is also improved.

The invention discloses a Si-P-N-C quaternary hybrid flame-retardant system composition and a preparation method thereof.The method comprises the steps that a nitrogen-phosphorus flame retardant, thermoplastic resin and a silane coupling agent are added into a graphene oxide suspension, and a graphene oxide grafted nitrogen-phosphorus flame retardant and graphene oxide grafted thermoplastic resin are obtained through a functionalization reaction; and mixing the graphene oxide grafted nitrogen-phosphorus flame retardant, the graphene oxide grafted thermoplastic resin, the modified wollastonite and a silane coupling agent to obtain the Si-P-N-C quaternary hybrid flame-retardant system composition. On the basis of the modified wollastonite, the nitrogen-phosphorus flame retardant, the thermoplastic resin and the graphene oxide are introduced, so that the system composition has good compatibility with a high polymer matrix so as to have better mechanical properties and processability, and Si, P, N and C have synergistic flame retardance so as to show excellent flame retardance.

The invention relates to a preparation method of high-temperature-resistant and high-performance molded concrete for a high-ground-temperature tunnel. The invention provides a preparation method of concrete adapted to a high-ground-temperature environment, aiming at the problems of difficulty in guaranteeing the workability of a mixture, easiness in cracking after setting and hardening, insufficient middle and later strength development and carbonization resistance and the like of the existing high-ground-temperature tunnel secondary lining molded concrete. The concrete is prepared from mineral admixtures such as wollastonite powder, Portland cement, fly ash and the like, organic synthetic fiber materials such as coarse aggregate, fine aggregate, polypropylene and the like, and admixtures such as a polycarboxylic acid water reducer and the like according to a specific mass ratio. The prepared concrete has excellent performances of self-compaction, early strength, high permeability resistance, crack resistance, carbonization resistance and the like in a high-ground-temperature environment, can adapt to a high-ground-temperature tunnel construction environment with the surrounding rock temperature of 28-95 DEG C, effectively solves the construction problem of high-ground-temperature tunnel secondary lining molded concrete, and has remarkable economic and social benefits.

The invention relates to the technical field of building ceramics, in particular to a self-cleaning glaze, a self-cleaning archaized brick and a preparation method thereof.The self-cleaning glaze is prepared from hydrophilic frit, kaolin, quartz, calcite, albite and nano cattle bone ash, and the nano cattle bone ash comprises chemical components of Ca10 (PO4) 6 (OH) 2 and CaO; the hydrophilic frit is prepared from the following raw materials: calcite, wollastonite, kaolin, aluminum oxide and quartz. According to the self-cleaning glaze provided by the invention, on the premise of reducing the production cost, excellent and lasting self-cleaning performance is realized, and the technical problems of poor timeliness of self-cleaning performance and high production cost in the prior art are solved.

The invention discloses a hydrolysis-resistant antiskid polyurethane material as well as a preparation method and application thereof, and relates to the technical field of polyurethane materials. The hydrolysis-resistant antiskid polyurethane material comprises a component A and a component B, wherein the component A comprises polyester type acrylate polyol, aromatic isocyanate and an organic tin catalyst; the component B comprises epoxy modified polyether polyol, triethylene tetramine, a nitrogen-containing catalyst, water, a foam stabilizer, TPE particles and modified wollastonite; the component C is hydroxyl-terminated polybutadiene; the modified wollastonite is prepared by modifying wollastonite with a polyacrylate oligomer. The hydrolysis-resistant anti-slip polyurethane material provided by the invention is prepared by adopting a semi-prepolymerization method, the preparation process is easy to control, the processability is stable, and the hydrolysis-resistant anti-slip polyurethane material has excellent mechanical strength, toughness, rebound resilience, hydrolysis resistance, high and low temperature resistance, wear resistance, slip resistance, aging resistance and the like, can be used for a long time under severe conditions such as moisture or low temperature, and has a wide application prospect. And the service life of the material applied to the sole material is prolonged.

The invention relates to the technical field of agricultural fertilizers, in particular to an organic-inorganic composite silicon-calcium-magnesium fertilizer and a preparation method and application of the organic-inorganic composite silicon-calcium-magnesium fertilizer. The high-temperature activated silicon-calcium-magnesium mineral powder is composed of calcined wollastonite powder, calcined serpentine powder, dolomite powder and zeolite powder; 2%-5% of an organosilane modifier, wherein the organosilane modifier is composed of gamma-aminopropyl triethoxy silane and gamma-glycidyl ether oxypropyl trimethoxy silane, and the organic silane modifier is composed of gamma-aminopropyl triethoxy silane and gamma-glycidyl ether oxypropyl trimethoxy silane; 18%-35% of a functional organic matter complex, wherein the functional organic matter complex is composed of mineral source sodium humate, bioactive small peptide, sodium alginate and polyglutamic acid; and 3%-8% of auxiliary functional components, so that the solubility and the bioavailability of silicon, calcium and magnesium elements in minerals are remarkably improved.

The invention belongs to the technical field of crystallizer casting powder, and provides crystallizer casting powder for medium carbon steel and a preparation method of the crystallizer casting powder. The crystallizer casting powder comprises the following raw materials: 20-40 parts of wollastonite, 20-40 parts of magnesium slag, 2-6 parts of quartz, 1-5 parts of bentonite, 2-6 parts of flint clay, 3-10 parts of fluorite, 1-3 parts of sodium carbonate, 1-2 parts of manganese carbonate, 3-7 parts of boron glass powder, 2-4 parts of magnesia powder, 6-10 parts of a carbon material and 2-4 parts of a modified binder. The crystallizer casting powder disclosed by the invention is reasonable in proportion of chemical components, has proper melting speed and viscosity, effectively ensures the thickness of a liquid slag layer, and can be uniformly consumed, so that the continuous casting process is ensured to be carried out smoothly, and the quality defects of corner cracks, narrow edge bulging, corner transverse cracks and the like of a medium carbon steel casting blank are avoided.

The invention discloses a manufacturing process of an easy-to-clean antibacterial ceramic product, and belongs to the technical field of ceramic product production. The preparation process comprises the following steps: mixing potassium feldspar, quartz, calcite, wollastonite and frit, grinding, sieving, adding deionized water I, carrying out wet ball milling by using flint cobblestones to prepare premixed glaze slip, sanding to prepare glaze slip I, uniformly spraying the glaze slip I on a ceramic green body, and drying in a drying kiln to form a substrate glaze surface; mixing modified halloysite and deionized water II, carrying out wet ball milling and sanding by using the flint cobblestones to prepare glaze slip II, uniformly spraying the glaze slip II on the glaze surface of the substrate, standing, feeding into a tunnel kiln, and carrying out primary firing to obtain the easy-to-clean antibacterial ceramic product. The glaze surface is smoother and more compact, the easy-cleaning performance of the glaze surface is improved, the antibacterial agent is firmly attached to the glaze surface, the antibacterial durability is enhanced, and the antibacterial performance is improved.

The invention discloses a marine concrete underwater engineering geopolymer repairing material. The repairing material is prepared from the following raw materials in parts by weight: 10-15 parts of a composite alkali activator, 30-40 parts of granulated blast furnace slag powder, 20-25 parts of fly ash, 10-15 parts of cement, 1-2 parts of silica fume, 1-2 parts of wollastonite, 0.1-0.3 part of a flocculating agent, 0.2-0.5 part of a water reducing agent, 2-5 parts of an expanding agent, 0.1-0.3 part of a thickening time control agent, 3-5 parts of latex powder and 5-10 parts of water. The marine concrete underwater engineering geopolymer repairing material has the characteristics of self-leveling, self-compacting, vibration-free, high early strength, good dispersion resistance, strong binding power with an original cement concrete base material, capability of realizing self-falling construction in water and moderate price, and can better meet the performance requirements of underwater repairing of marine concrete structures.

The present invention belongs to the technical field of glass manufacturing. Provided are a recipe of glass capable of carbon emission and a preparation method for the glass capable of carbon emission. The recipe comprises the following raw material components in percentage by mass: 53-60% of quartz sand, 12-18% of wollastonite, 5-12% of albite, 0.5-2% of spodumene, and 15-20% of NaOH; on this basis, 2-5% of water and 5-10% of a silica sol binder are additionally added to ensure the humidity and good adhesive effect of a compounded material. The raw materials are fully mixed and then fed to an extrusion molding machine, the pressure in the extrusion molding machine is controlled to be 50-150 MPa, and extrusion is performed to form spherical or flake-shaped pellets having a diameter of 5-15 mm; and the granulated and molded pellets of the compounded material are then preheated to 500°C and put into a kiln for melting to obtain glass capable of carbon emission. The preparation method can improve the utilization rate of the compounded material, shorten the melting time, reduce the melting temperature, improve the quality of glass melting, reduce the unit energy consumption, and reduce the carbon emission.

The invention discloses a preparation process of a Yellow River deposited sand high-strength cement-based curb material, which comprises the following steps: (1) adding mixed powder formed by pseudo-wollastonite powder and glass powder into wet chopped basalt fibers to obtain pretreated basalt fibers; and (2) carrying out heat treatment on the pretreated basalt fiber and coal gangue powder to obtain pretreated coal gangue powder and modified fiber for later use. And (3) wetting the modified fiber by using a tannic acid saturated solution, and carbonizing in a carbonization box containing carbon dioxide and water vapor to obtain the carbonized modified fiber. And (4) taking cement powder, gravel coarse aggregate, Yellow River deposited sand, fly ash, carbonized modified fiber, a water reducing agent and the like as raw materials. The preparation method comprises the following steps: uniformly mixing the raw materials, adding mixing water and uniformly mixing. According to the invention, the mechanical strength of the curb is effectively improved by adopting the fibers which have good bonding capacity with the curb matrix, and the application of the yellow river deposited sand is promoted.

The invention provides a cross-linking and curing environment-friendly polyurethane waterproof coating and a preparation method thereof, and the cross-linking and curing environment-friendly polyurethane waterproof coating comprises the following raw materials by weight: 15-30 parts of a polyhydroxy compound; 6 to 15 parts of pentaerythritol polyether; 1-5 parts of an anionic surfactant; 1 to 5 parts of nano silicon dioxide aerogel; 1-8 parts of wollastonite powder; 25 to 45 parts of fly ash floating beads; 10 to 25 parts of diisocyanate; 0.5 to 3 parts of chlorinated paraffin; and 0.5 to 3 parts of N, N-dimethyl-2-hydroxyethylamine. The cross-linking curing environment-friendly polyurethane waterproof coating provided by the invention solves the environment-friendly problem of the traditional polyurethane waterproof coating, realizes solvent-free curing, meets the environment-friendly requirement, improves the comprehensive properties such as elasticity and durability of a coating film, and provides a safer and more effective solution for waterproof construction.

The modification method for improving the strength of the AZO target material green body comprises the following steps: uniformly blending 35-40 parts of zinc oxide, 5-10 parts of aluminum oxide, 2-4 parts of polyethylene glycol, 1-3 parts of sodium carboxymethyl cellulose and 20-30 parts of water to obtain a matrix agent; the preparation method comprises the following steps: uniformly blending 3-5 parts of a wollastonite-doped modifier and 2-4 parts of a kaolin modifier, adding the mixture into a matrix agent, and finally carrying out ball milling at a rotating speed of 1000r / min for 1 hour to obtain a ball-milled material. The AZO target material green body can be obtained by blending and coordinating the matrix agent with the wollastonite-doped blending agent and the kaolin modifier and carrying out molding and heat treatment, and the strength and compactness performance of the prepared AZO target material green body are harmoniously improved.

The invention discloses bloom ultrahigh-carbon wear-resistant ball steel continuous casting covering slag and a preparation method thereof, and belongs to the technical field of steelmaking metallurgy auxiliary materials. The high-temperature-resistant electric smelting material is prepared from the following raw materials in parts by weight: 15-28 parts of wollastonite powder, 20-40 parts of an electric smelting pre-melting material, 3-6 parts of lithium metaborate, 2-8 parts of boron glass, 2-4 parts of sodium fluoride, 5-13 parts of sodium carbonate, 2-7 parts of barium fluoride, 7-11 parts of fluorite powder, 2-5 parts of electrode graphite, 2-5 parts of high-carbon amorphous graphite, 2-4 parts of N660 carbon black and 2-4 parts of dextrin. According to the mode, the casting liquid has relatively low viscosity, relatively low melting point and relatively high alkalinity, the lubrication of a casting blank is improved, the capability of absorbing floating inclusions in molten steel is improved, the occurrence rate of cracks and bleed-out on the surface of the casting blank is reduced, the surface and subcutaneous quality of the casting blank is improved, and the production efficiency of continuous casting is improved; the casting powder is particularly suitable for continuous casting production of bloom ultrahigh-carbon wear-resistant ball steel.

The invention discloses an anti-slip duplicated raw stone ceramic tile and a preparation method thereof, and belongs to the technical field of ceramic tile preparation. The anti-slip re-carved raw stone ceramic tile comprises a green body base layer, a glaze layer and a modified wear-resistant layer, and the green body base layer is prepared from the following materials in parts by weight: 40-60 parts of kaolin, 20-35 parts of quartz sand, 15-20 parts of potassium feldspar, 5-10 parts of calcite, 1-2 parts of wollastonite and 1-4 parts of talc; the glaze layer material consists of 15-22 parts of a glass forming agent, 3.2-8 parts of a fluxing agent, 2-7.2 parts of an opacifier, 0.4-2 parts of a coloring agent, 2-3.6 parts of an anti-skid complexing agent and 0.8-4 parts of a suspending agent; the modified wear-resistant layer material is composed of 1.2-2.1 parts of a modified wear-resistant agent and 5-10 parts of epoxy resin. The ceramic tile prepared by the method has excellent skid resistance, antifouling property and wear resistance.

The invention discloses a multi-mineral microwave dielectric ceramic material and a preparation method thereof, and the multi-mineral microwave dielectric ceramic material is prepared by sintering the following raw materials in parts by weight: 192-224 parts of black talc, 160-192 parts of wollastonite, 8-12 parts of MgO, 4-8 parts of SnO2 and 2-4 parts of kaolin tailings. The preparation method comprises the following steps: crushing, grinding and sieving to obtain black talc mineral powder, wollastonite mineral powder and kaolin tailing powder; the preparation method comprises the following steps: weighing black talc mineral powder and MgO powder, and carrying out ball milling and mixing; wollastonite mineral powder is added, and ball milling continues; drying, calcining, preserving heat and cooling along with a furnace; carrying out ball milling on the obtained powder and SnO2 powder and kaolin tailing powder which are weighed in proportion, uniformly mixing, and drying; and preparing the powder into a blank and sintering. The microwave dielectric property of the ceramic material is improved, the kaolin tailing powder is selected as the sintering aid, and the sintering temperature is reduced on the premise that the dielectric property of the ceramic is not reduced.

The invention relates to chemical-corrosion-resistant full-polished glaze as well as a preparation method and application thereof, and belongs to the technical field of ceramic production and manufacturing. The chemical-corrosion-resistant fully-polished glaze comprises the following mineral components in percentage by mass: 5%-10% of quartz, 5%-10% of kaolin, 1%-10% of calcined talc, 20%-25% of wollastonite, 10%-20% of calcined kaolin, 1%-5% of calcined alumina, 1%-5% of calcined zinc oxide, 1%-5% of barium carbonate, 1%-3% of titanium oxide, 1%-5% of zirconium silicate and 10%-20% of boron frit. By specially designing a full-polishing glaze formula of the ceramic tile, adjusting the firing temperature and discharging or reducing defects such as air holes in a glaze layer as much as possible, the glaze layer forms a stable inert surface, and chemical substances cannot react with the glaze layer or only slightly react with the glaze layer, so that the transparency, integrity and glossiness of the surface are kept.

The invention belongs to the technical field of ceramic ink, and particularly discloses crystal change ink, a preparation method thereof and a ceramic rock plate. The crystal-changing ink comprises the following raw material components: crystal-changing glaze, an inorganic active agent and an ink auxiliary agent, wherein the inorganic active agent is selected from at least one of nano titanium dioxide, nano zinc oxide and nano aluminum oxide; the crystal-changing glaze is prepared from the following raw material components in parts by weight: 5 to 15 parts of halloysite, 20 to 30 parts of nepheline, 10 to 25 parts of feldspar, 3 to 8 parts of hydromica, 5 to 15 parts of wollastonite, 15 to 30 parts of quartz, 10 to 20 parts of calcium carbonate and 2 to 7 parts of zinc oxide. All the raw materials in the crystal-changing glaze are subjected to chemical reaction and physical change in the high-temperature firing process to form a stable crystal structure; the inorganic active agent further promotes the growth of crystals while improving the stability, adhesive force and optical performance of the ink, and the glaze surface generates unique texture and color changes under the combined action of the inorganic active agent and the ink.

The present application relates to the technical field of ceramics, and particularly relates to a ceramic handicraft, which comprises a porcelain blank and a blank glaze applied to the surface of the porcelain blank, wherein the porcelain blank is composed of the following raw materials in parts by weight: fly ash 40-50 parts, potassium feldspar 10-20 parts, sodium feldspar 5-10 parts, black clay 8-10 parts, soda 20-25 parts, talc 1-3 parts, and waste porcelain powder 3-5 parts; and the blank glaze is composed of the following raw materials in parts by weight: quartz 40-60 parts, high-quality kaolin 10-15 parts, wollastonite 18-20 parts, waste porcelain powder 10-15 parts, potassium feldspar 6-10 parts, sodium feldspar 3-5 parts, calcined talc 3-5 parts, and zirconium-iron red agent 1-2 parts; the content of SiO2 and Al2O3 in the fly ash is more than 80 wt%, and the fly ash contains a small amount of Fe2O3, MgO and CaO; the present application solves the problem that the weight of the porcelain blank of the existing ceramic handicraft is heavy, and the industrial waste raw materials cannot be introduced in large quantities to manufacture the porcelain blank, and the resource utilization rate is poor; compared with the prior art, the glaze surface gloss of the present application is moderate, and the ceramic handicraft is beneficial to decoration and placement under a light source.

The invention relates to the technical field of cables, and particularly discloses a seawater corrosion resistant cable and a preparation method thereof. The seawater corrosion resistant cable comprises a cable core, an insulating layer and a sheath layer which are arranged in sequence, and the sheath layer comprises the following substances in parts by weight: 100 parts of PE; 20 to 30 parts of filler; 5-10 parts of an auxiliary agent; the filler comprises eucalyptus fibers, wollastonite and medical stone powder. The preparation method comprises the following steps: S1, preparing the sheath material; and S2, preparing the cable. The cable can be used in ocean or beach sightseeing tourism, and has the advantages of high strength, high corrosion resistance and high pressure resistance.

The invention provides a method for retarding soil acidification and increasing the content of fixed inorganic carbon in soil, and relates to the technical field of soil improvement. According to the method, the wollastonite is firstly crushed, then the crushed wollastonite is uniformly spread on the surface of the soil and then mixed into a soil plough layer, and the improvement of retarding soil acidification and increasing soil fixed inorganic carbon is realized. The crushed wollastonite is spread on the surface of the soil and then mixed into a plough layer to generate stable bicarbonate which is beneficial to sealing of inorganic carbon in the soil, acidic substances in the soil can be remarkably neutralized, the soil acidification process is relieved, the air permeability and the water binding capacity of the soil are improved, and then the fertility of the soil is improved; crop root growth is promoted, nutrient absorption of plants is improved, crop yield and quality are further improved, and the method is an efficient and low-cost acidified soil improvement technology.