7 results about "Anorthite" patented technology

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 discloses a low-shading high-contrast reddish brown colored drawing porcelain glaze and a preparation method thereof, and belongs to the technical field of inorganic non-metallic materials. The porcelain glaze comprises the following components in percentage by mass: 20%-30% of quartz, 20%-35% of feldspar, 8%-15% of calcite, 15%-25% of kaolin, 15%-25% of pre-sintered iron-rich clay, 0.5%-1.0% of sodium carboxymethyl cellulose and 0.2%-0.5% of sodium tripolyphosphate. Wherein the pre-sintered iron-rich clay is prepared by pre-sintering natural iron-rich clay at 700-900 DEG C, and the content of Fe2O3 is 5%-8%. The preparation method comprises the following steps: pre-sintering the iron-rich clay, mixing the pre-sintered iron-rich clay with other glaze raw materials, carrying out ball milling to obtain glaze slip, applying the glaze slip to a glaze blank, preheating, and carrying out heat preservation sintering in an oxidizing atmosphere of 1180-1220 DEG C. The iron element crystal form is stabilized through pre-sintering treatment, a specific glaze formula and an optimized sintering system are combined, anorthite microcrystals which are decomposed and promoted by calcite are used for wrapping alpha-Fe2O3 colored particles, iron ion migration is effectively inhibited, the technical problems that traditional reddish brown colored drawing patterns are blurred, and boundaries are blurred are solved, and the service life of the reddish brown colored drawing is prolonged. And the high-quality colored drawing porcelain with bright and saturated color, high contrast ratio and clear pattern is obtained.

The invention relates to talaromyces pseudomonas hzt-3'as well as a preparation method and application of the talaromyces pseudomonas hzt-3 ', and belongs to the technical field of application of microorganisms. The strain is preserved in the China Center for Type Culture Collection, the preservation number of the strain is CCTCC NO: M 20251797, and the strain is classified and named as (Talaromyces pseudomonas hzt-3 '). The method comprises the following steps: collecting moss and vegetation soil samples from basalt, diabase and dolomite; diluting bacterial colonies in the sample, and separating and purifying the bacterial strains by using a Czapek culture medium; anorthite and serpentine are used as inorganic salt sources for strain screening, and strains which grow stably and have a good leaching effect on calcium magnesium silicate minerals are obtained; the strain is applied to efficient leaching of anorthite, serpentine and wollastonite, and compared with a sterile control group, the effect of improving the leaching rate of calcium and magnesium ions is remarkable. The method solves the problem that the reaction rate of mineral sequestration carbon dioxide is slow due to the fact that ions in natural silicate minerals are difficult to leach, and has great significance.

The application provides a kind of limestone-based lightweight concrete and its preparation method, including cement 430~450 parts, fly ash 8~12 parts, silica ash 35~45 parts, limestone coarse aggregate 340~480 parts, limestone debris lightweight aggregate 200~350 parts, limestone machine-made sand 650~680 parts, water reducing agent 3~6 parts, water 150~180 parts, wherein the preparation method of the limestone debris lightweight aggregate is: taking 38~42 parts of limestone debris, 8~12 parts of magnesite, 18~22 parts of bauxite, 28~32 parts of shale, mixing the above raw materials, ball milling to obtain mixed powder, granulating the mixed powder by disc granulator, screening to obtain green ball, drying the green ball and putting it into a sintering furnace for calcination, and obtaining limestone debris lightweight aggregate after cooling. In view of the problem that limestone debris is difficult to utilize, by matching with magnesite, bauxite and shale, high-strength lightweight aggregate with active calcium silicate, anorthite, melilite, mullite and glass phase as main components and closed pores as main pore structure can be obtained under specific composition and sintering system.

A glass ceramic substrate according to the present invention is a glass ceramic substrate containing: a glass; a first ceramic filler; a second ceramic filler; and a crystalline material, in which the first ceramic filler is alumina, the second ceramic filler is cordierite, the crystalline material is anorthite, and (X-ray diffraction peak intensity of a (2-20) crystal plane of the anorthite) / (X-ray diffraction peak intensity of the (2-20) crystal plane of the anorthite+X-ray diffraction peak intensity of a (104) crystal plane of the alumina+X-ray diffraction peak intensity of a (100) crystal plane of the cordierite) is 0.15 or more.

The embodiment of the invention discloses a method for preparing a mullite-anorthite multiphase refractory material from coal gangue. According to the method, coal gangue, limestone and carboxymethyl cellulose are used as raw materials, and the steps of burdening, water adding and mixing, dry pressing forming, drying and high-temperature sintering are sequentially carried out. The coal gangue is used as a main raw material, the finally prepared multiphase refractory material has low apparent porosity, high volume density and high compressive strength through component proportion design and a phase reconstruction strategy, and the small-particle-size characteristic of the coal gangue is beneficial to molding and assists in material densification and strength improvement; a mullite phase generated by kaolinite and quartz in the coal gangue can be used as a framework of a refractory material, and key performance such as high strength of the sintered material is guaranteed. According to the invention, the utilization rate of the coal gangue can be obviously improved, the production cost of the refractory material can be effectively reduced, the production technical requirement is low, the product performance is excellent, and the application prospect in the comprehensive utilization of solid wastes and the refractory material industry is wide.

The application relates to the technical field of ceramics, and particularly discloses a medium-temperature lightweight ceramic mud and a preparation process thereof. The medium-temperature lightweight ceramic mud comprises the following substances in parts by weight: 30-50 parts of dolomite; 10-15 parts of aluminum powder; 20-40 parts of feldspar; 10-20 parts of quartz; and 10-20 parts of sodium silicate; the feldspar comprises porous anorthite; and the preparation process comprises the following steps: S1, raw material preparation; and S2, ceramic mud preparation. The ceramic mud disclosed by the application can be used for firing ceramic containers and the like, and has the advantages of light weight and high strength.