31results about How to "Meet material quality requirements" patented technology

The invention provides a method for producing an air entrapping building block by utilizing red mud, comprising the following steps: mixing the following raw materials (dry basis) by weight part: 50-70 parts of red mud, 5-10 parts of calcium oxide and 20-40 parts of active gelled material; adding water according to 85-100 percent of the dry basis mass of the mixture, adding aluminium powder according to 0.04-0.06 percent of the dry basis mass of the mixture and adding an auxiliary agent according to 0.5-0.8 percent of the dry basis mass of the mixture; mixing to prepare a sizing agent; and finally obtaining the air entrapping building block through foaming, standing and steam curing. The air entrapping building block has the advantages of stable physical properties, light weight, good heat-insulation property, high waste use ratio, simple process, low cost, environmental protection, natural resource saving and the like, and can be used as non-load bearing partitions of urban high-risebuildings and as heat-insulation building blocks of low-temperature warehouses, heat-insulation warehouses and cold storage warehouses of industrial equipment.

The invention discloses a cullet-doped aerated block production method. The method comprises the following steps: 1) respectively crushing river sand and ardealite, and preparing 12 to 19 parts of river sand and 3 to 5 parts of ardealite in parts by mass; and 2) preparing 60 to 70 parts of phosphorus slag, 0.02 to 0.03 part of powdered aluminum, 0.5 to 2 parts of methyl cellulose, 2 to 5 parts of re-dispersible polymer powder, 5 to 6 parts of cement, and 10 to 15 parts of quick lime in parts by mass, mixing and finely grinding the crushed river sand, the crushed ardealite and the phosphorus slag, and mixing with the powdered aluminum, the methyl cellulose, the re-dispersible polymer powder, the cement and the quick lime; and foaming and performing autoclaved curing. The method has the advantages that use amount of cullet is large, energy saving and environmental-friendliness effects are achieved, the problem of environmental pollution caused by cullet accumulation treatment is relieved, and a new raw material of hollow bricks is provided.

The invention discloses a production method for an insulating brick used for a high temperature furnace. The method comprises the following steps: 1) mixing raw materials consisting of, on a dry basis, 55 to 65 parts by mass of powder modified fly ash, 6 to 10 parts by mass of quicklime and 20 to 35 parts by mass of cement; 2) before fine grinding, weighing 60 to 70 parts by mass of inorganic garbage and 2 to 3.5 parts by mass of aluminum powder, uniformly mixing crushed cement, dihydrate gypsum and phosphorus slag with inorganic garbage and aluminum powder and then carrying out fine grinding; and 3) putting a crushed ceramic waste material and a dry material obtained after fine grinding into a stirring apparatus, adding water and carrying out full mixing. According to the invention, the usage amount of inorganic garbage is great, energy conservation and environmental protection are realized, the problem of environmental pollution caused by stockpiling treatment of inorganic garbage is alleviated, and a novel raw material is provided for a hollow brick.

The invention discloses a method for producing an aerated building block by using doping blast furnace slag. The method comprises the following steps: 1) mixing and crushing fly ash, dihydrate gypsum and blast furnace slag and weighing, by mass, 12 to 19 parts of fly ash, 2 to 3 parts of dihydrate gypsum and 20 to 30 parts of blast furnace slag; 2) before fine grinding, weighing 10 to 15 parts by mass of vanadium slag and 1 to 2.5 parts by mass of aluminum powder, uniformly mixing crushed fly ash, dihydrate gypsum and blast furnace slag with vanadium slag and aluminum powder and then carrying out fine grinding; and 3) crushing broken stone granules and taking 12 to 25 parts by mass of the crushed broken stone granules.

The invention discloses a method for producing an aerated hollow brick used for a pre-oxidation furnace by using inorganic garbage. The method comprises the following steps: 1) mixing cement, dihydrate gypsum and phosphorus slag, then carrying out crushing and weighing, by mass, 5 to 10 parts of cement, 1 to 3 parts of dihydrate gypsum and 12 to 33 parts of phosphorus slag; and 2) before fine grinding, weighing 60 to 70 parts by mass of inorganic garbage and 2 to 3.5 parts by mass of aluminum powder, uniformly mixing the crushed cement, dihydrate gypsum and phosphorus slag with the inorganic garbage and the aluminum powder and then carrying out fine grinding, wherein after the crushed cement, dihydrate gypsum and phosphorus slag are uniformly mixed with the inorganic garbage and the aluminum powder, fine grinding is carried out until a particle size is less than 20 mm. According to the invention, the usage amount of the inorganic garbage is great, energy conservation and environmental protection are realized, the problem of environmental pollution caused by stockpiling treatment of inorganic garbage is alleviated, and a novel raw material is provided for a hollow brick.

The invention discloses a method for producing an aerated building block by using doping carbide slag. The method comprises the following steps: 1) mixing raw materials consisting of, on a dry basis, 55 to 65 parts by mass of modified fly ash, 6 to 10 parts by mass of dihydrate gypsum, 20 to 35 parts by mass of cement and 10 to 12 parts of carbide slag; 2) before fine grinding, weighing 60 to 70 parts by mass of inorganic garbage and 2 to 3.5 parts by mass of aluminum powder, uniformly mixing crushed fly ash, cement, dihydrate gypsum and carbide slag with inorganic garbage and aluminum powder and then carrying out fine grinding; and 3) putting a crushed ceramic waste material and a dry material obtained after fine grinding into a stirring apparatus, adding water and carrying out full mixing. According to the invention, the usage amount of the inorganic garbage is great, energy conservation and environmental protection are realized, the problem of environmental pollution caused by stockpiling treatment of inorganic garbage is alleviated, and a novel raw material is provided for a hollow brick.

The invention discloses a method for producing an insulating brick used for an oxidation furnace by using a glass fiber. The method comprises the following steps: (1) mixing raw materials consisting of, on a dry basis, 55 to 60 parts by mass of a crushed glass fiber, 20 to 30 parts by mass of fly ash and 6 to 10 parts by mass of quicklime, wherein the fly ash has silica content of no less than 40% and iron mineral content of no greater than 15% and the quicklime has active calcium oxide content of no less than 80% and magnesium oxide content of no greater than 2%; (2) mixing the above-mentioned raw materials with stirring so as to obtain slurry and subjecting the slurry to foaming at 60 to 80 DEG C for 30 to 40 min; (3) subjecting foamed slurry prepared in the step (2) to steam curing at normal pressure so as to obtain a green body and cutting the green body to corresponding sizes; and (4) subjecting the green body prepared in the step (3) to steam curing at a pressure of 0.8 to 0.9 Mpa for 18 to 22 h and sprinkling a soap surfactant on the green body every 0.6 h during steam curing so as to obtain a finished insulating brick product used for the oxidation furnace. According to the invention, the usage amount of an attapulgite waste material is great, energy conservation and environmental protection are realized, the problem of environmental pollution caused by stockpiling treatment of attapulgite waste materials is alleviated, and a novel raw material is provided for a hollow brick.

The invention discloses a heat-insulation wallboard with a low heat transfer coefficient, containing the following materials in parts by weight: 80-120 parts of cement, 30-50 parts of prefabricated expanded perlite, 40-60 parts of styrene-acrylic emulsion, 20-40 parts of poly-acrylonitrile base carbon fiber, 30-40 parts of glass fiber, 8-16 parts of gypsum, 15-20 parts of ultra-high molecular weight polyethylene fiber, 5-10 parts of steel fiber, 2-8 parts of kieselguhr, 15-25 parts of esterified starch, 10-20 parts of coal ash, 8-16 parts of talcum powder, 10-20 parts of calcium carbonate, and5-10 parts of mica powder. The prefabricated expanded perlite is prepared by adopting the following process: uniformly mixing gelatin, expanded perlite and hydrogen peroxide solution, filtering, adjusting the system to be neutral, adding ammonium persulfate and sodium hydrogen sulfite under nitrogen protection and stirring, adding acrylamide and stirring, precipitating, and drying, thus obtainingthe prefabricated expanded perlite.

The invention discloses a method for preparing a high-strength heat-preservation wallboard. The method comprises the following steps that xanthan gum, expanded perlite and a hydrogen peroxide aqueoussolution are uniformly mixed and filtered, a system is adjusted to be neutral, ammonium persulfate and sodium bisulfite are added and stirred under the protection of nitrogen, acrylamide is added andstirred, and precipitating and drying are conducted to obtain a prefabricated material; cement, the prefabricated material, a polyurethane emulsion, nylon fibers, coal gangue and glutinous rice flourare stirred, pressed, shaken and then pressed, and then steam maintenance and natural airing are conducted to obtain the high-strength heat-preservation wallboard, wherein the weight ratio of the cement, the prefabricated material, the polyurethane emulsion, the nylon fibers, the coal gangue and the glutinous rice flour is (50-100):(20-40):(20-40):(10-20):(15-23):(2-10). The obtained heat-preservation wallboard has high compressive strength and flexural strength, low heat transfer coefficient and excellent heat preservation performance.

The invention discloses a method for producing an aerated hollow brick by using steel tailings. The method comprises the following steps: 1) mixing cement, dihydrate gypsum and phosphorus slag, then carrying out crushing and weighing, by mass, 5 to 10 parts of cement, 1 to 3 parts of dihydrate gypsum and 10 to 30 parts of phosphorus slag; 2) before fine grinding, weighing 60 to 70 parts by mass of steel tailings and 1 to 2.5 parts by mass of aluminum powder, uniformly mixing the crushed cement, dihydrate gypsum and phosphorus slag with the steel tailings and the aluminum powder and then carrying out fine grinding; and 3) crushing a ceramic waste material and taking 12 to 25 parts by mass of the crushed ceramic waste material. According to the invention, the usage amount of the steel tailings is great, energy conservation and environmental protection are realized, the problem of environmental pollution caused by stockpiling treatment of steel tailings is alleviated, and a novel raw material is provided for a hollow brick.