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 method capable of utilizing blast-furnace slag to produce an aerated hollow brick. The method comprises the following steps: 1), taking 5-10 parts of mixing cement, 1-3 parts of gypsum and 12-35 parts of phosphorus slag to be mixed and crushed according to the mass part; and 2), before fine milling, as mass percent, taking 50-70 parts of blast-furnace slag and 1-3 parts of aluminite powder according to the mass part, uniformly mixing the two with the three crushed materials in the step 1, and then carrying out fine milling. According to the invention, a larger amount of blast-furnace slag can be used to achieve the purposes of energy conservation and environment protection and relieve the environment pollution caused by processing the blast-furnace slag pile, and a novel material source is provided for the hollow bricks.

The invention discloses a method capable of utilizing city inorganic waste to produce an aerated hollow brick. The method comprises the following steps: (1), mixing such materials in dry basis mass as crushed city inorganic waste, lime and coal ash; and (2), according to the step (1), adding water in 85-95 percent of mixed material dry basis, adding waste aluminite powder in 0.04-0.06 percent of mixed material dry basis, gypsum in 9-11 percent lime, and peregal in 1-4 percent of waste aluminite powder. According to the invention, a larger amount of inorganic waste can be used to achieve the purposes of energy conservation and environment protection and relieve the environment pollution caused by processing the inorganic waste piles, and a novel material source is provided for the hollow bricks.

The invention discloses a method for preparing aerated bricks by utilizing ceramic waste, and the method comprises following steps of (1) mixing raw materials according to the following dry basis in parts by weight: ceramic waste after being ground, quicklime, cement and the like; (2) placing water according to 85 to 95 percent of the mass of the mixed raw material dry base in step (1), placing waste aluminum powder according to 0.01 to 0.03 percent of the mass of the mixed raw material dry base, placing plaster according to 9 to 11 percent of the mass of quicklime, and placing peregal which is 1 to 4 percent of the mass of aluminum powder; and (3) the slurry after being stirred in step (2) is foamed for 30 to 40 minutes under the temperature of 60 to 80 DEG C. Due to the adoption of the method, the consumption of ceramic waste is vast, energy conservation and environmental protection can be realized, the environmental pollution problem caused by the stacking treatment of the ceramic waste can be alleviated, and simultaneously new raw material source can be supplied for the hollow bricks.

The invention discloses a method for manufacturing aerated hollow bricks by abandoned construction waste. The method includes steps of (1), mixing dry-base raw materials including crushed and treated abandoned construction waste, quicklime, cement and the like according to mass parts; (2), adding water accounting for 85-95% of the mass of the dry-base raw materials mixed in the step (1), adding waste aluminum powder accounting for 0.04-0.06% of the mass of the dry-base mixed raw materials, gypsum accounting for 9-11% of the mass of the quicklime and the like into the dry-base raw materials; (3), mixing the mixture in the step (2) to obtain slurry and then foaming the slurry for 30 to 40 minutes at the temperature ranging from 65 DEG C to 75 DEG C; and (4), performing autoclaved curing for the foamed slurry obtained from the step (3) under constant temperature to obtain a green body and cutting the green body into the aerated hollow bricks with corresponding sizes. Consumption of the abandoned construction waste is high, effects of energy conservation and environmental protection are realized, the problem of environmental pollution caused by stockpiling and disposal of the abandoned construction waste is alleviated, and a new raw material for production of the hollow bricks is provided.

The invention discloses a method for preparing an external wall heat preservation plate through fluorite slag. The method comprises the following steps: mixing and crushing 14-16 parts by weight of active packing, 5-8 parts by weight of basalt fibers, 20-30 parts by weight of the fluorite slag and 10-15 parts by weight of carbide slag, and before fine grinding, putting 10-12 parts by weight of fly ash and 3-5 parts by weight of modified rubber powder into a ball grinding machine for fine grinding; (2) putting a dry mixture subjected to fine grinding into stirring equipment, adding 22-30 parts by weight of water for full stirring, and adding 5-8 parts by weight of a hydrochloric acid solution with the concentration being 18-20 percent. By adopting an inorganic-organic combined mode, the defects that an existing organic external wall heat preservation material is combustible, an existing inorganic external wall heat preservation material is high in ratio and high in heat conduction coefficient, and the maintenance middle stage is long, energy consumption is high and the heat preservation effect is poor in a construction or manufacturing process are overcome.

The invention discloses a preparation method for an exterior-wall thermal-insulation board containing steel tailings. The method comprises the following steps: 1) putting steel tailings in a ball mill, crushing to have the granularity of 2-3 mm, then mixing with 10-12 parts of calcium carbide slurry, 8-10 parts of cobs and 3-5 parts of potash feldspar to obtain a mixture, and adding water accounting for 35-55% by mass of the mixture and plaster accounting for 0.5-0.9% by mass of the mixture, so as to prepare a slurry; and 2) standing the stirred slurry at 58 DEG C, and controlling the standing foaming time to be 2 h and the standing exterior temperature to be 18 DEG C. The prepared exterior-wall thermal-insulation board is a novel building exterior-wall thermal-insulation material, by using the material, the thermal insulation performance of the thermal-insulation mortar is obviously improved, the bonding performance between a thermal-insulation material and boundary mortar is enhanced, and the usage cost is reduced.

The invention discloses a preparation method of a high-strength building thermal insulation board. The preparation method comprises the following steps of 1, treating 12-15 parts of fly ash, carrying out magnetic separation by a magnetic separator to obtain fly ash with low magnetic field intensity, and carrying out superfine grinding on the fly ash subjected to magnetic separation to obtain power of 1200 meshes, and 2, mixing the fly ash subjected to magnetic separation, 10-12 parts of stove ash, 6-8 parts of phosphogypsum, 12-14 parts of volcanic rock fibers, 28-30 parts of water and 5-7 parts of hydroxyethyl cellulose to obtain anti-cracking slurry. The preparation method has a large water-quenched slag use amount, saves energy, is environmentally friendly, relieves water-quenched slag stacking storage-caused environmental pollution and provides a novel raw material for a hollow brick.

The invention relates to a flaw detection method for an aluminum alloy sheet, particularly a Lamb wave contact type flaw detection method for a 2XXX type aluminum alloy sheet. The method is provided to solve a problem that tissue inclusion, layering and other metallurgical flaws in aluminum alloy plates having a size less than 6 mm cannot be detected by the prior art. The method includes selectingtwo angle-variable ultrasonic wave probes, manufacturing a contrast test piece, determining reference sensitivity through a detection angle difference between the two angle-variable ultrasonic wave probes, setting the maximum scanning interval and a scanning path, setting a scanning speed, searching for flaw positions, determining flaw waves, and precisely determining flaw positions through comparison of oil waves with the flaw waves. Flaws of an aluminum alloy sheet having a size less than 6 mm can be accurately and reliably detected through the method, acoustic beams of the probes cover theoverall sheet in a scanning process to ensure no omission of flaws. The method is suitable for flaw detection of a 2XXX type aluminum alloy sheet.

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.