316results about How to "Increase dosage" patented technology

The invention discloses a method for preparing a nanoparticle-modified friction material, which comprises the following steps: dissolving a resin in a solvent to obtain solution of the resin, uniformly dispersing nanoparticles in the solution of the resin, soaking reinforcing fibers in the solution and adding surfactant to allow the resin, the nanoparticles and the reinforcing fibers to be tightly bonded and uniformly disperse; and mixing the resin-coated nanoparticles and the resin-coated reinforcing fibers with a friction performance regulator and a filler, uniformly stirring the mixture and drying the mixture. In the method, the flowability of the solution of the resin is used to coat the nanoparticles and the reinforcing fibers, so the uniform mixing of the nanoparticles, the fibers and the resin is realized; the bonding strength of the nanoparticles, the fibers and the resin is increased under the action of the surfactant; and the friction performance and the service life of a brake pad can be improved on the basis of reducing the dosages of the nanoparticles, the reinforcing fibers and the resin. The friction material of the invention can be widely used in the preparation of brake pads of motor vehicles, brakes of machine tools and electrodes, clutch liners and the like.

An imaging system includes an x-ray source coupled to a gantry. The x-ray source generates an x-ray flux, wherein a portion of the x-ray flux becomes scatter radiation. A scatter detector is also coupled to the gantry to receive the scatter radiation. The scatter detector generates a scatter signal in response to the scatter radiation, and a host computer receives the scatter signal.

The invention discloses light high-strength concrete, which is prepared from the following raw materials in percentage by weight: 10 to 15 percent of silicate cement, 8 to 12 percent of mineral powder, 6 to 10 percent of coal ash, 2 to 6 percent of wollastonite, 20 to 30 percent of ceramsite,25 to 35 percent of ceramic sand, 0.2 to 0.8 percent of high-performance water reducing agent, 0.05 to 0.3 percent of exciting agent, 0.05 to 0.8 percent of tackifier and 8 to 12 percent of water. The light high-strength concrete has the advantages that compact accumulation is realized by optimizing the grain composition of cementing materials; the mineral powder is subjected to ultrafine grinding, so that the hydrated activity of the mineral powder is improved substantially; and the using quantity of the low-density cementing materials can be increased, and the cohesiveness of slurry is improved by combining the high-performance water reducing agent, the exciting agent and the tackifier, so that the concrete slurry is high in working performance and is not segregable, and the aim of reducing the volume weight of the hardened slurry substantially is fulfilled on the basis of ensuring the mechanical property of the hardened slurry.

The invention relates to a synthetic material, in particular to a halogen-free flame retardant high impact polystyrene blend and a preparation method thereof. The high impact polystyrene blend comprises high impact polystyrene resin with the mass percent of 35-75%, an inorganic flame retardant with the mass percent of 7-45%, an intumescent flame retardant with the mass percent of 5-20%, a flame retardant synergist with the mass percent of 1-5%, a toughening agent with the mass percent of 10-20%, a coupling agent with the mass percent of 0.5-2.0%, a lubricant with the mass percent of 0.5-3.0% and an antioxidant with the mass percent of 0.2-3.0%. The halogen-free flame retardant high impact polystyrene blend is produced by high-speed premixing and extrusion prilling, and has the advantages of environmental protection, flame retardation, low smoke, weather resistance, good thermal stability and mechanical property, easy machine shaping, etc.

The invention relates to a PVC plastic-wood material which has large wood powder consumption, high strength and smooth appearance. The PVC plastic-wood material comprises the following components in parts by mass:100 parts of PVC, 30-50 parts of wood powder, 5-10 parts of chlorinated polyethylene, 0.1-0.3 part of methyl methacrylate, 0.3-0.5 part of AC foaming agent, 1-5 parts of plasticizer, 1-5 parts of foaming adjusting agent, 1-3 parts of calcium-zinc stabilizing agent, 0.2-0.5 part of octadecanoic acid, 0.5-2 parts of ceresin wax, 10-20 parts of light activated calcium carbonate, titanate coupling agent, maleic anhydride and 1-3 parts of antioxygen, wherein the mass ratio of the titanate coupling agent to the wood powder is 1:100-8:100, and the mass ratio of the maleic anhydride to the wood powder is 1:100-8:100. By adopting the proportion of the materials in the invention, the wood powder doping amount can be effectively improved, and the obtained PVC plastic-wood material has high strength and smooth appearance.

The invention relates to the field of spheroidal graphite cast iron, in particular to high-strength low-temperature-resisting spheroidal graphite cast iron and a preparing method thereof. The spheroidal graphite cast iron comprises, by mass percent, 3.2% to 3.5% of carbon, 2.1% to 2.3% of silicon, 0.4% to 0.5% of manganese, 0.4% to 0.6% of copper, 0.2% to 0.4% of nickel, 0.2% to 0.4% of molybdenum, 0.04% to 0.06% of magnesium, 0.05% to 0.08% of chromium, 0.005% to 0.008% of titanium, 0.002% to 0.003% of vanadium, not larger than 0.04% of phosphorus, not larger than 0.02% of sulphur and the balance iron. The preparing method of the high-strength low-temperature-resisting spheroidal graphite cast iron comprises following steps: firstly, raw materials are smelted; secondly, spheroidizing treatment and inoculation are carried out; and thirdly, heat treatment is carried out. Through reasonable arrangement of all element components, the tensile strength of the spheroidal graphite cast iron is improved, a proper nucleating agent is prepared, internal inoculation matched with inoculation in a ladle is adopted, the inoculation effect is reinforced, meanwhile, during heat treatment, the heating temperature, the heat preservation time, the cooling rate and the manner are reasonably arranged, the strength and low temperature resistance of the iron are effectively improved, the spheroidal graphite cast iron is high in strength and excellent in low temperature resistance, and the preparing method is simple and efficient.

The invention relates to a preparation method of an aluminum-doped material of a cathode of a lithium ion battery with a solid phase process. The preparation method comprises the following steps: controlling certain reaction conditions to prepare a precursor of a nickel, cobalt and/or manganese hydroxide; uniformly mixing the precursor with a lithium salt and a nanometer aluminum compound; and carrying out high temperature processing for a certain period of time in an air or oxygen atmosphere, cooling, and crushing to obtain the aluminum-doped material of the cathode of the lithium ion battery with the solid phase process. The aluminum-doped material of the cathode of the lithium ion battery with the solid phase process which can substantially improve the safety performance and the cycle characteristic of the lithium ion battery at a high temperature can be applied to power batteries.

The invention relates to a high-performance silver cadmium oxide material and a manufacturing method thereof, which are characterized in that the silver cadmium oxide material comprises the following components: 85 to 97 percent of silver, 2 to 15 percent of cadmium, 0.01 to 0.5 percent of nickel, 0.01 to 1 percent of tin and 0.01 to 0.5 percent of rear earth mixture. The manufacturing method of the high-performance silver cadmium oxide material is characterized in that: a given quantity of silver, cadmium, nickel, tin and rare earth mixture are measured to be arranged inside a middle-frequency induction furnace to be smelted and cast, the cast ingot is extruded by an extruding machine to be thick wires, the thick wires are stretched by a wire-drawing die to be thin wires, the thin wires are pre-oxidized by an internal oxidization furnace, then the thin wires are cut and preformed and finally is processed and formed. The anti-oxidization performance, electric-arc burning loss resistance and the abrasion resistance of the silver cadmium oxide material are improved, and the service life is prolonged, so the high-performance silver cadmium oxide material can be applied to different working environments, has low production cost, simple manufacturing method and low requirements on the device and the production.

The invention provides a ferronickel slag ultrahigh-strength concrete and a preparation method thereof. Every cubic meter of ferronickel slag ultrahigh-strength concrete contains 550-700kg of cementing material, 900-1000kg of coarse aggregate, 800-900kg of fine aggregate, 8-20kg of polycarboxylic-acid high efficiency water reducing agent and 160-170kg of water. The cementing material is composed of the following components in percentage by mass: 50-60% of P.O 52.5 Portland cement, 15-20% of ore powder, 5% of silica fume and 20-30% of ferronickel slag micropowder. The ferronickel slag is used as crude aggregate, fine aggregate and a mineral admixture respectively instead of natural gravel, sand and part of cement. Besides, the ferronickel slag has favorable water-reducing actions, can greatly improve the placeability of concrete, and obviously increases the slump constant. The 25-day compression strength of the ferronickel slag ultrahigh-strength concrete can reach 110 MPa or above, which is much higher than the non-ferronickel-slag concrete.

The invention relates to a preparation method of a tunnel asphalt surface layer material. A preparation method for damping porous noise-reducing tunnel asphalt pavement material is characterized in that it comprises the following steps: 1) preparation of high-viscosity and high-elasticity modified asphalt: base asphalt according to the mass ratio of each component: modifier SBS : Activated rubber powder: Viscosifying compatibilizer: Antioxidant: Stabilizer=100: 6.0~18.3: 20.2~45.7: 1.2~3.7: 0.2~1.4: 0.4~1.9, select; obtain high viscosity and high elasticity modification Asphalt; 2) Add flame retardant to high-viscosity and high-elasticity modified asphalt, heat and melt high-viscosity and high-elasticity modified asphalt to add flame retardant, stir for 3-9 minutes, and stand at 150-170°C for 15-30 minutes to obtain Flame-retardant high-viscosity high-elasticity modified asphalt; 3) according to the mass ratio, mineral material: flame-retardant high-viscosity high-elasticity modified asphalt: fiber stabilizer = 100: 3.6~5.2: 0.1~0.4, choose; noise tunnel asphalt surface material. The invention has the functions of noise reduction, flame retardancy and anti-skid.

The invention relates to a thermoplastic elastomer toughened epoxy resin, its preparation and its application, which belongs to the technical field of changing the physical index of epoxy resin. The raw materials possess the following weight proportion: 1) 100 parts of epoxy resin, 2) 15-40 parts of curing agent, 3) 2-20 parts of thermoplastic elastomer, 4) 5-100 parts of compatilizer and 0.5-5 parts of auxiliary agent; the compatilizer employs one or more selected from rosin and modified rosin, petroleum resin, coumarone indene resin, aromatic oil, naphthenic oil and solvent oil, the auxiliary agent employs one or more selected from calcium stearate, zine stearate and EBS. The method of the invention solves the compatibility of the thermoplastic elastomer and epoxy resin, and effectively improves the brittleness of epoxy resin, the property of a solidified substrate is capable of adjusting, and the manufacturability is capable of adjusting; the product of the invention has the advantages of environmental protection, good security and good economic applicability.

The invention discloses an autoclaved fly ash aerated concrete building block and a production method thereof. A formula of the autoclaved fly ash aerated concrete building block comprises raw materials of, by weight, 72-78% of fly ash, 16-18% of quicklime, 4-7% of cement, 2-3% of desulfurized gypsum and additional foaming agent accounting for 0.07-0.09 wt% of a total weight of fly ash, quicklime, cement and desulfurized gypsum. The technical scheme of the invention for producing the autoclaved fly ash aerated concrete building block substantially reduces usage amount of the quicklime and the cement, increases usage amount of the fly ash and benefits energy saving, emission reduction and environmental protection. The autoclaved fly ash aerated concrete building block produced by the technical scheme of the invention has strength, unit weight, freezing resistance and thermal insulation performance reaching national standards (specified as detection data in a table 1). The autoclaved fly ash aerated concrete building block produced by the technical scheme of the invention has unit weight no more than 625 kg / m<3>, mean value of strength no less than 3.5 Mpa and freezing strength no less than 2.8 Mpa.

The invention discloses a method capable of utilizing mine tailings to produce an aerated hollow brick. The method comprises the following steps: (1), mixing such materials in dry basis mass part as main tailings, lime, coal ash or yellow phosphorus slag, and the like; (2), according to the step (1), adding water in 85-95 percent of the mixed material dry basis, adding waste aluminum power in 0.04-0.06 percent of the mixed material dry basis, adding gypsum in 9-11 percent of lime, and adding triethanolamine in 0.1-0.3 percent of waste aluminum power. According to the invention, a larger amount of mine tailings can be used to achieve the purposes of energy conservation and environment protection and relieve the environment pollution caused by processing the mine tailings pile, and a novel material source is provided for the hollow bricks.

The invention discloses a composite hybrid organic silicon LED (Light Emitting Diode) packaging material, preparation method and applications thereof. The composite hybrid organic silicon LED packaging material is prepared by uniformly mixing 10-100 parts of silicon dioxide phenyl organic silicon composite hybrid, 0-48 parts of vinyl polysiloxane, 0.00001-0.0002 part of catalyst A and 1.6-32 parts of hydrogen-containing polysiloxane, and reacting for 1-8 hours under the vacuum condition of 80-110 DEG C. According to the composite hybrid organic silicon LED packaging material provided by the invention, not only is the preparation method simple, the raw materials are environment-friendly and easily available, and the packaging material has the advantages of high refractive index, high transmissivity, and high mechanical strength to meet the requirements of LED packaging. The prepared composite hybrid organic silicon LED packaging material is mainly used for high-power LED and LED with white light.

The invention relates to a method for preparing non-sintered ceramsite by adding dredged sludge. The method comprises the following steps: (1) pre-treatment of the dredged sludge; (2) material preparation: mixing and stirring smashed dredged sludge, cement, quick lime, gypsum and coal ash to prepare a dry mixture; the mass portions of the smashed dredged sludge, cement, quick lime, gypsum and coal ash are as follows: 60 to 80 parts of the dredged sludge, 1 to 6 parts of the cement, 1 to 6 parts of the quick lime, 1 to 6 parts of the gypsum and 3 to 15 parts of the coal ash; then uniformly mixing water glass with water to obtain a mixed solution of the water glass and the water, wherein the mass ratio of the adding amount of the water glass to the dredged sludge is 3 to 15: 60 to 80, and the adding amount of the water accounts for 40 to 60 percent of the total mass of the dry mixture and the water glass; (3) disc granulation; (4) primary curing of a product; (5) waterproofing work; (6) ultimate curing of the product, namely obtaining a finish product of the non-sintered ceramsite. According to the method provided by the invention, a large amount of dredged sludge can be added, the purpose of utilizing waste materials is realized, the requirements of a dredging Industry are met, the production energy consumption is low, and the produced non-sintered ceramsite can meet the demands of construction market.

The present invention discloses a self-compacting concrete prepared from iron ore tailings, and a preparation method thereof. The self-compacting concrete is prepared through adding 38.00-46.00% of a coarse aggregate, 23.00-37.00% of a fine aggregate, cement, 15-24% of a cementing material and 0.30-0.48% of an additive to water. The coarse aggregate is prepared through mixing crushed stones with particle sizes of 5-20 mm. The fine aggregate is the mixed sands prepared from iron ore tailings and machine-made sands or natural sands, wherein the mixed sands meet the technical requirements of thesands in the region II, preferably that a mass ratio of the iron ore tailings to the machine-made sands or the natural sands is 3:7-7:3. The cementing material is a mixture, wherein the mixture comprises cement, fly ash and ground slag powder. A mass ratio of the water to the cementing material is 0.30-0.50. The additive is a mixture, wherein the mixture comprises a water reducing agent and a tackifier, the water reducing agent is a polycarboxylic superplasticizer, the tackifier comprises a cellulose polymer or an amide polymer. With the present invention, the damage to the ecology environment due to the natural sand mining is reduced; the damage to the environment due to the iron ore tailings is reduced; the waste can be utilized; a purpose of reutilization of the resource is achieved; with adopting the iron ore tailings, the concrete cost can be substantially reduced, and significant social benefits and economic benefits are provided.

The invention discloses a static spraying powder paint and preparing technology for electromagnetic wire and enameled wire, which comprises the following parts: 60-88% resin, 7-15% solidifier, 1-5% dye, 0-20% filler, 2-6% adjuvant. The preparing method comprises the following steps: blending the materials together; fusing to squeeze; cooling to indoor temperature; grinding into piece shaped material; separating the grinded powder into less than 160 order semi-product; demagnetizing to obtain the product.

The invention provides environment-friendly high-performance cement which is characterized by consisting of the following raw materials in parts by weight: 50-60 parts of admixture, 32-40 parts of cement clinker, 6-8 parts of gypsum, 0.03-0.05 part of grinding aid, 3-5 parts of excitation substance, 0.05-0.1 part of antifoaming agent, 0.05-0.1 part of plasticizer, 0.03-0.05 part of anti-precipitating agent and 0.2-0.4 part of water reducing agent. In the environment-friendly high-performance cement provided by the invention, a large mixing amount of cement slurry can be realized by adopting a mechanical-chemical excitation production process, a great quantity of industrial waste residues can be consumed, the yield is increased, and the production cost is lowered; moreover, by adding a functional additive, the performance of the product is improved, and the needs of civil engineering are met.

The invention provides a preparation method of an iron filled carbon nano tube and a reaction device. The preparation method of the iron filled carbon nano tube comprises the following steps of: preparing the iron filled carbon nano tube by adopting an inorganic covalent compound of iron namely ferric chloride anhydrous as a catalyst precursor and selecting different carbon sources through floating catalysis chemical vapor deposition method, wherein the iron filled carbon nano tube comprises a non-nitrogen-doped iron filled carbon nano tube or a nitrogen-doped iron filled carbon nano tube. The preparation method of the iron filled carbon nano tube disclosed by the invention is simple and scientific in steps and can prepare a high-iron filled carbon nano tube. The invention further discloses a reaction device of the preparation method of the iron filled carbon nano tube. According to the preparation method of the iron filled carbon nano tube and the reaction device, a plurality of disadvantages in the prior art can be overcome; and the advantages that the preparation method is simple and the obtained iron filled carbon nano tube has high iron filling rate are realized.

The invention discloses a method for preparing mineral organic fertilizer by using surplus sludge in municipal sewage plants. The method mainly comprises the following three steps: firstly reducing sludge in a sludge thickening tank, dehydrating the reduced sludge by adopting a catalytic ozonation method, carrying out subcritical water reaction on the dehydrated sludge, and discharging solids subjected to harmless treatment; finally mixing modified attapulgite clay with the sludge subjected to harmless treatment, chicken manure and microorganism beneficial microbial agents, and fermenting the mixture to obtain the mineral ecological organic fertilizer. The method is green and environment-friendly and realizes the harmless and resourceful treatment of the sludge; the obtained mineral organic fertilizer is capable of obviously improving the structure of soil, enabling the volume-weight of soil to be reduced, the holes of soil to be increased and the ventilation and water permeability of the soil to become good and adjusting the uniform growth of crops and has a good controlled release effect, thus the quality of the crops is improved.

The invention belongs to the technical field of unsaturated polyester resin, and particularly relates to a mono-acid blocked unsaturated polyester resin, formed by using dibasic alcohol, saturated dibasic acid, unsaturated dibasic acid, a monobasic acid blocking agent and a diluting agent as raw materials, and then performing condensation polymerization; and the raw materials comprise, in parts by weight, (1) 19-28 parts of dibasic alcohol, (2) 10-25 parts of saturated dibasic acid, (3) 15-27 parts of unsaturated dibasic acid, (4) 1-7 parts of monobasic acid blocking agent, and (5) 28-37 parts of diluting agent. The invention further provides a preparation method for the mono-acid blocked unsaturated polyester resin. The product obtained by the preparation method provided by the invention is better in compatibility, better in hydrolytic stability and higher in hardness compared with common unsaturated resin, as well as high in strength.

The invention relates to a granite powder composite mineral admixture and a preparation method therefor. The admixture contains raw materials, i.e., modified granite powder, modified pulverized coal ash, slag and a reinforced activator, wherein the mass content of the former three kinds of raw materials is as follows: the mass content of the modified granite powder is 40 to 70 parts, the mass content of the modified pulverized coal ash is 10 to 25 parts, the mass content of the slag is 15 to 35 parts, the sum of mass contents of the three kinds of raw materials is 100 parts, and the mass of the reinforced activator accounts for 0.1% to 0.3% the total mass of the former three kinds of raw materials. The preparation method comprises the steps: proportionally weighing the raw materials, i.e., the modified granite powder, the modified pulverized coal ash, the slag and the reinforced activator, mixing the raw materials, then, putting the mixture into a ball mill, carrying out milling until the screening volume of a square-mesh screen with the pore size of 45 microns is lower than 10%, baking the obtained screen underflow, and carrying out cooling, thereby obtaining the granite powder composite mineral admixture. According to the scheme of the invention, the activity of the granite powder is enhanced, the utilization ratio of the granite powder is increased, and thus the economic and social benefits are very good.

An activating grinding aid for industrial waste residues is prepared from catalyst (1-8 wt.%), activating agent (30-80 wt.%), setting regulator (0-20 wt.%), grinding aid (3-12 wt.%) and carrier (3-30wt.%). Its advantages are effective use of industrial waste residues, low electric consumption of grinder, and improve cement performance.

The invention relates to a heat non-burning cigarette body and a manufacturing method thereof, and belongs to the field of heat non-burning cigarettes. The heat non-burning cigarette body comprises anauxiliary unit and a smoke production unit, wherein the auxiliary unit comprises a filter section, a cooling section and a hollow section; one end of the hollow section is connected with the smoke production unit, and the other end of the hollow section is connected with the cooling section; the cooling section is connected with the filter section; the smoke production unit is of a compact hollowtubular structure; the inner diameter of the hollow is 1 to 8 mm; the outer diameter of the column is 5 to 10 mm; the length is 10 to 60 mm. According to the heat non-burning cigarette body and the manufacturing method thereof, a paste smoke production material is made into the compact hollow tubular structure to further enhance the heat transfer and smoke production effect of the smoke production material and increase the suction number and the smoke concentration; furthermore, compared with a smoke production unit such as cut tobaccos and a sheet, the smoke production unit of the heat non-burning cigarette body cannot be covered by cigarette paper, so that a layer of cigarette paper is reduced, and the heat transfer effect between a heating tube and a smoke production material can be further enhanced.

The invention provides a rare-earth heat-resistant aluminum alloy guide wire material and a preparation method thereof. The aluminum alloy guide wire material consists of the following elements in percentage by weight: 5.00%-15.00% of Ce, 0.15%-0.70% of Zr, 0.01%-0.50% of Y, 0.01%-5.00% of Fe, 0.10%-5.00% of Mg, 0.05%-8.00% of Si, 0.001%-5.00% of Cu, 0.001%-0.40% of Co, 0.001%-0.85% of B, 0.001%-0.2% of Ti, 0.001%-0.15% of V, 0.001%-0.12% of Cr, 0.001%-0.12% of Mn, 0.001%-0.15% of Ni and the balance of aluminum. The high-strength high-conductivity heat-resistant aluminum alloy has high conductivity and high heat resistance.

The invention provides four-graded roller compacted concrete suitable for water power hydraulic engineering, the four-graded roller compacted concrete per cubic meter comprises the following components: 49kg-64kg of cement, 78kg-92kg of fly ash, 70kg-71kg of water, 630kg-700kg of sand, 1520kg-1610kg of gravel, 0.98kg-1.42kg of a high efficiency water reducing agent and 0.07kg-0.14kg of an air entraining agent, the mass ratio of super large stone (80mm-120mm): large stone (40mm-80mm): middle stone (20mm-40m m): small stone (5mm-20mm) is 20:30:30:20. The four-graded roller compacted concrete is low in cementitious material use amount and low in adiabatic temperature rise, has good working performance, mechanical performance and durability, and can simplify the temperature control measures, improve the construction progress, and reduce cost.

The invention discloses a pretreatment method for determining multiple heavy metal elements in soil simultaneously. The pretreatment method comprises steps as follows: step (1): sample weighing: the soil is air-dried, ground and screened with a nylon sieve, a soil sample is weighed and put into a microwave digestion tube through a polytetrafluoroethylene long-neck funnel, and the funnel is slightly flapped before the funnel is removed so that all the soil sample attached to the wall of the funnel enter the digestion tube; step (2): digestion: nitric acid, hydrochloric acid and hydrofluoric acid are added to the digestion tube, a cover is screwed down, and the digestion tube is put into a microwave digestion instrument for digestion; step (3): acid driving: after microwave digestion is finished, hydrogen peroxide is added to the digestion tube; then the microwave digestion tube is put into a temperature-controlling acid driver in a fume cupboard for direct acid driving until the volume is smaller than 1 mL, then a solution is directly transferred to a volumetric flask, the volume is constant, and a to-be-tested solution is obtained. With the adoption of the pretreatment method, the digestion speed of the sample can be increased, the pre-treatment step of the sample is simplified, and the accuracy of the detection analysis result is guaranteed.

The invention discloses environment-friendly cement. The raw materials include various industrial waste residues, limestone, cement clinker, gypsum, a grinding aid and an excitation substance. The environment-friendly cement is characterized in that the weight parts of the raw materials are as follows: 50-60 parts of admixture, 32-40 parts of cement clinker, 4-8 parts of gypsum, 0.03-0.05 part of grinding aid and 3-5 parts of excitation substance. Since the production process of the environment-friendly cement adopts a low-temperature mechanical-chemical co-excitation technology, the mixing amount of the admixture is large, multiple industrial waste residues can be used as raw materials, the raw materials are widely available, the cost is low, a great quantity of industrial waste residues can be consumed, the waste is turned into wealth, and the performance of the obtained product is remarkably improved from the quality index.

The invention discloses a novel self-thermal insulating energy-saving wall body material mainly made from iron tailings powder, as well as a preparation method of the wall body material, belonging to the technical field of the novel wall body material and building energy saving. The novel iron tailings powder self-thermal-insulating energy-saving wall body material is mainly prepared from the iron tailings powder in the presence of cement serving as a gelatinization material by using a foaming technology, straw cutting, super-light weight aggregate, an interface treatment technology and various admixtures. The wall body material has the beneficial effects that the requirement of saving 65% of energy in severe cold areas is reached without being adhered with a polystyrene board outside, a wall body and the thermal insulating function are formed at one time, effect of no self ignition is achieved, A-grade fire resistance requirement is reached, the inflammable problem of the current high-molecule outer wall thermal-insulating material is solved, and the service life of the wall body material is as long as the service life of a building. A great quantity of iron tailings powder is used for saving energy and utilizing waste and the industrial policy of national building energy saving and wall body innovation is met; and compared with the similar products, the wall body material has remarkable technological and economic advantages, can be widely used in the field of buildings and can generate enormous economic and social benefits.

The invention discloses a method for preparing a large-admixture-amount wet-milled phosphorus solid waste super-retarding cementing material. The method comprises the following steps: putting phosphorus slag and desulfurized fly ash into a wet-milling machine, and performing mixing and wet milling so as to obtain mixed slurry A; grinding caustic dross, ardealite and coal ash in a dry-milling machine so as to obtain a mixed powder material B; and mixing the mixed slurry A with the mixed powder material B so as to obtain a mixed material C, adding cement, a water reduction agent, a retarder, tailing sand and macadam into the mixed material C, and performing stirring for 4 minutes, so as to obtain super-retarding concrete. Wastes such as the phosphorus slag, desulfurized fly ash, caustic dross, ardealite, coal ash and tailings are adopted to prepare concrete, wastes are turned into wealth, and the amount of cement can be also reduced; due to a mixed wet-milling mode of the phosphorus slagand the desulfurized fly ash, phosphorus dissolution of the phosphorus slag can be promoted, the initial setting time and the final setting time of the concrete can be greatly prolonged, early-stagehydration heat can be reduced, cracks can be reduced, later strength can be ensured, and large-admixture-amount efficient application of the phosphorus slag can be achieved; and the prepared super-retarding concrete can be applied to large-size concrete, drilling bitten piles, and the like.