14 results about "Calcium silicate" patented technology

The invention discloses a construction method for a concrete shear wall and belongs to the field of construction. The construction method is characterized in that an outer template of an outer wall of the shear wall is a disassembly-free template, one side surface of the disassembly-free template is connected with the concrete wall in a concretion mode, and the other side surface of the disassembly-free template is an outer wall surface of a building; the disassembly-free template is a heat insulation composite board; cement fiber plates or calcium silicate boards on both sides and a middle interlayer are bonded to form the heat insulation composite board, and the middle interlayer is made of heat insulation materials. The construction method for the concrete shear wall has the advantages that the construction cost is low, the construction duration is short, and constructions for the wall structure, the heat insulation structure and outer wall outer decorations are achieved at a time.

The invention relates to a method and equipment for producing potassium manganate. The method comprises that: at a high temperature, by utilizing oxygen containing gas, mixed materials of enriched silicon-manganese mineral powder and a solution of caustic potash are subjected to gas-liquid parallel flow oxidation treatment; the 60 to 79 percent solution of caustic potash is heated up to the temperature of between 230 and 260 DEG C and sent into a three-phase circulation type bubbling reactor; the enriched silicon-manganese mineral powder is added into 5 to 18 percent solution of caustic potash and prepared into manganese pulp, and the manganese pulp is preheated up to the temperature of between 80 and 90 DEG C and sent into a reactor; compressed air preheated up to the temperature of between 140 and 200 DEG C is continuously filled in the reactor; the upper pressure of the reactor is maintained to be 0.2 to 0.5MPa, and the temperature of the suspension in the reactor is maintained to be between 230 and 250 DEG C; and the gas and liquid in the reactor jointly flow upward to perform contact reaction, the reaction time is 2 to 4 hours, and the coarse product of the potassium manganate is obtained. In the method, except the oxidation of the manganese powder, the dynamic hydrothermal reaction of calcium silicate is also performed, thereby reducing the consumption of alkali and fully utilizing natural resources and enriched silicon-manganese mineral resources.

The invention relates to a multifunctional fertilizer for preventing and treating open rice glumes. 25-35 parts of decomposed manure, 5-15 parts of humic acid, 2-10 parts of fulvic acid, 2-15 parts of magnesium sulfate, 2-15 parts of chelated zinc, 2-8 parts of Na2B8O13 and 5-15 parts of calcium metasilicate are smashed and screened by a 60-mesh screen, then the mixture is placed in a stirrer to be fully stirred, then 5-20 parts of amino acid powder, 1-5 parts of tillering promoter, 1-5 parts of stem strengthening agent and 0.5-2 parts of ABB pollenin are added, and even mixing and packaging are carried out. Based on the reason for the open rice glumes, organic nitrogen, phosphorus, potassium, multiple microelements, active matter and functional factors are supplemented, the open rice glumes can be effectively prevented and treated, rice resistance can be increased, and the maturing rate and yield can be increased. Multiple organic ingredients are included, the content of organic matter of soil can be increased, soil environment can be improved, soil fertility can be improved, rice tillering can be promoted, resistance and the maturing rate can be increased, and the aim of increasing both production and income is achieved.

The invention relates to a mixing and stirring device capable of uniformly heating for producing a calcium silicate board, the mixing and stirring device comprises a main body, a second electric heating wire and a second bearing, wherein the top end of the main body is provided with a feeding port, a rotating shaft penetrates the middle of the top end of the main body, the top of the rotating shaft is movably provided with an electric motor, the outer wall of the rotating shaft is provided with a first stirring rod, and the first stirring rod is connected with a first brush away from the outerside of the central axis of the rotating shaft. The mixing and stirring device has the beneficial effects that the mixing and stirring device is provided by first stirring rods, the rotating shaft, the electric motor, the main body and a partitioning plate, the first stirring rods are fixedly connected with the rotating shaft, and the electric motor starts to drive the rotating shaft to rotate soas to drive the first stirring rods to stir and mix a material in the upper part of the inner side of the main body, so that the mixing effect of the device on the material is excellent, and the device can perform a large-area stirring operation on the material through the action of the plurality of sets of the first stirring rod, and speeds up the material mixing speed of the device.

The invention discloses an application of an energy-saving and thermal insulation tank in glove machine flow line production, the energy-saving and thermal insulation tank is applied to a chain and gang mould system of the glove machine flow line production, the shape of the energy-saving and thermal insulation groove is V-shaped or U-shaped, the inner layer and outer layer of the tank are a steelplate or an iron plate or a galvanized plate, and the middle interlayer is composed of heat preservation cotton or calcium silicate board material. On one hand, the energy is saved and the carbon isreduced, 17% of energy can be saved when the glove machine operates for one day, on the other hand, the lubricating oil used for maintenance is reduced, or the falling of the chain rust and oil scale,which can stick to the glove, is reduced, the pollution to the environment is reduced and the glove quality is improved, thereby improving the qualification rate of the product.

The invention provides a flame-retardant ethylene propylene diene monomer, and relates to the technical field of high molecular materials. The flame-retardant ethylene propylene diene monomer is prepared from the following composition raw materials: 80 to 100 parts of ethylene propylene diene monomers, 20 to 25 parts of aluminum silicate fiber cotton, 23 to 28 parts of ore slag fiber cotton, 12 to 18 parts of sepiolite fiber cotton, 3 to 7 parts of vermiculite, 14 to 19 parts of expanded perlite, 8 to 13 parts of fiber cement boards, 3 to 8 parts of fiber enhanced calcium silicate boards, 5 to 12 parts of pentaerythrite oleate, 4 to 8 parts of abietic resin, 5 to 9 parts of boric acid, 11 to 15 parts of coronene, 6 to 10 parts of rhodium, 11 to 13 parts of asphalt coal tar, 9 to 16 parts of plasticizers and 17 to 22 parts of light stabilizers. The flame-retardant ethylene propylene diene monomer has the beneficial effects that the price of the raw materials is cheap; the manufacturing process is simple; the flame retardant effect of the prepared ethylene propylene diene monomer is good; no harm is caused on human bodies in the production process.

The invention provides a preparation method of a welding glue for vehicle manufacturing. The preparation method comprises the following steps: 1) crushing the following raw materials in a formula ratio: epoxy resin, diallyl phthalate, methyl ethyl ketone peroxide, a toughening agent, a viscosity reducer and a plasticizer into powder, and uniformly stirring the substances; 2) adding the uniform powder into a reaction kettle, and then heating the reaction kettle to 120DEG C to obtain a mixed solution in a molten state; 3) adding inert filler into the mixed solution and performing stirring, thenadding polyether amine, calcium silicate hydrate and triglyceride, and performing stirring again to obtain sealant oil-based molten slurry; 4) pouring the sealant oil-based molten slurry into a cooling tower, adding a reinforcing agent, a softening agent and a filling agent, and adjusting the hardness of the welding glue; 5) adding a stabilizer, a moisture absorbent, a pigment and filler, and performing stirring for 15min to form a solid welding glue, and 6) pouring the solid welding glue into a grinding machine, and performing degassing and curing at the end of grinding and dispersing to obtain a welding glue finished product.

The invention discloses a magnesium calcium silicate heat preservation integrated plate and a processing method thereof, and belongs to the field of heat preservation plates. The magnesium calcium silicate heat preservation integrated plate comprises a main plate body, wherein the main plate body is made of magnesium calcium silicate; each two opposite sides of the four sides of the main plate body are correspondingly connected with a middle connecting piece and an end connecting piece which are matched with each other; the sum of the lengths of the middle connecting pieces and the end connecting pieces is equal to the side length of the corresponding side of the main plate body; the two end faces of the middle connecting pieces are aligned with the opposite faces of the two end connectingpieces correspondingly; the two end sides of the middle connecting pieces are provided with containing grooves parallel to the length direction of the middle connecting pieces; inserting shafts are arranged in the containing grooves; the two ends of the front faces of the middle connecting pieces are provided with strip-shaped openings which are parallel to the inserting shafts and communicate with the containing grooves in the corresponding sides; pulling strips fixedly connected with the inserting shafts are arranged in the strip-shaped openings in a penetrating mode; and inserting holes allowing the inserting shafts to be inserted are formed in the opposite sides of the two end connecting pieces. According to the magnesium calcium silicate heat preservation integrated plate and the processing method thereof, splicing is simple, dismounting and mounting are convenient, the working efficiency of workers can be improved, and the construction period can be shortened.

The invention discloses a plant fiber reinforced calcium silicate board and a preparation method thereof. The problem that the plant fiber length and the plant fiber specific surface area are difficultly considered at the same time in the plant fiber pulping treatment stage in the calcium silicate board production process is solved. According to the invention, an effective and green enzyme treatment method is used; mixed enzyme liquid is used for etching the surfaces of the plant fibers; meanwhile, high-concentration pulping treatment is adopted, so that the cutting rate of the plant fibers during pulping is reduced, the plant fibers which are relatively long and have a certain specific surface area are obtained, the pulping energy consumption is reduced, the water filtering characteristicduring plate forming is improved, and the breaking strength performance is improved. After traditional plant fibers and powder are mixed, a plant fiber and powder mixing and disc milling process is added, so that the plant fibers can be more uniformly dispersed in the powder; meanwhile, the contact between the plant fibers and the powder is improved, and the bonding property of the formed plant fibers and a powder matrix is further improved.

Provided are: a chemical heat storage material having excellent repeated durability; and a method for producing the same. This chemical heat storage material is characterized by comprising: a surfacelayer formed from silica and/or calcium silicate; and calcium oxide particles having the surface layer.