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45results about How to "Stability qualified" patented technology

Steel slag auxiliary cementing material and preparation method and application thereof

ActiveCN113072311AWide application range of concentrationImprove stabilityCement productionSlagCement Material
The invention discloses a steel slag auxiliary cementing material and a preparation method and application thereof. The preparation method comprises the following steps: (1) crushing undisturbed steel slag, selecting iron, and grinding in a mill to obtain steel slag particles; (2) putting the steel slag particles into stirring pretreatment equipment, and mixing and uniformly stirring the steel slag and an additive solution; (3) grinding the pretreated steel slag particles in a grinding machine, and meanwhile, introducing carbon dioxide gas to grind the steel slag particles into steel slag micro powder with a certain particle size; and (4) putting the steel slag micro powder into stirring reaction equipment, and introducing carbon dioxide gas into the reaction equipment to obtain the stabilized and activated steel slag auxiliary cementing material. According to the method, free CaO and part of free MgO are rapidly eliminated, so that the problem of poor stability of the steel slag is solved, the gelling activity of the steel slag is improved to a great extent, it is ensured that the stability of the auxiliary gelling material of the steel slag is qualified when the auxiliary gelling material of the steel slag is doped into cement or concrete, and application of the steel slag in building materials such as cement and concrete is promoted.
Owner:NANJING UNIV OF TECH

Water-permeable brick with artificial carbonized steel slag pellets as aggregates and preparation method thereof

The invention provides a water-permeable brick with artificial carbonized steel slag pellets as aggregates and a preparation method thereof, belonging to the technical field of green building materials. The water-permeable brick comprises a base layer and a surface layer, wherein the surface layer is located on the base layer; the base layer is made of continuously graded artificial carbonized steel slag pellet aggregates; and the surface layer is made of fine aggregates obtained by crushing and sieving carbonized steel slag bricks and formed after filling and leveling of the fine aggregates.The water-permeable brick comprises the following components by weight: 60 to 70% of artificial carbonized steel slag pellet aggregates, 5 to 10% of the fine aggregates obtained by crushing and sieving carbonized and cured steel slag bricks and having a particle size of no more than 4.75 mm, 15 to 20% of steel slag micropowder, 4 to 5% of a reinforcing agent and 4 to 5% of tap water. According tothe invention, through large addition amount of steel slag, industrial waste residues are greatly consumed; meanwhile, industrial waste gas CO2 is used as a raw material in the process of carbonization and curing, and the reaction of the CO2 with steel slag products in a carbonization kettle is an exothermic reaction, so no external heat source is need; and the advantages of waste utilization, carbon sequestration, energy conservation, emission reduction, simple preparation process, low equipment requirements, short production cycle and low cost are obtained.
Owner:DALIAN UNIV OF TECH

Method for processing ardealite by using fluidized bed furnace to prepare special anhydrite cementing material

A method for processing ardealite by using a fluidized bed furnace to prepare a special anhydrite cementing material comprises the following steps that (1) materials are prepared, namely caked ardealite and massive stone coal or waste rock ballast is crushed; (2) burdening is performed, namely 50 to 80 parts of ardealite, 8 to 25 parts of stone coal and 10 to 40 parts of waste rock ballast are burdened and metered by weight; (3) matured slag is prepared, namely the materials are continuously fed into the fluidized bed furnace and calcined in the oxidative atmosphere at the temperature of 850 to 1280 DEG C for 0.3 to 1.5 hours, the materials overflowing from a discharging port are rapidly quenched to be made into the matured slag; (4) the special anhydrite cementing material is prepared, namely the matured slag is grinded into 80-micron powder containing smaller than or equal to 20% of screen residue mass, and the special anhydrite cementing material is obtained. The special anhydrite cementing material prepared by means of the method contains multiple hydrated active minerals, can be widely used in the cement industry, is high in strength in use and can serve as active residue powder or be used for production of construction materials. By means of the method, investment is small, no wastewater and waste residue is produced, and economical efficiency is high.
Owner:湖南省小尹无忌环境能源科技开发有限公司

Microcapsule with porous double-layer capsule wall and preparation method of microcapsule

The invention discloses a microcapsule with porous double-layer capsule wall and a preparation method of the microcapsule and belongs to the technical field of microcapsules. The microcapsule has the advantages that the microsphere hole forming technology is used to modify an epoxy resin material to prepare the porous microcapsule, capsule core substance releasing is achieved by regulating pores, the microcapsule technology can be favorably developed from slow release to controlled release, and quite important practical significance is achieved; the microcapsule has the pores in the capsule wall material, the size and number of the pores can be regulated to control the capsule core substance releasing, and the microcapsule is widely applicable to multiple fields such as agriculture, printing and dyeing, ink and phase-change materials; the encapsulation efficiency of a microcapsule suspending agent prepared by the microcapsule is not smaller than 90%, the particle size range of more than 95% of particles of the microcapsule suspending agent is 0.2-30 micrometers, the suspending rate of the microcapsule suspending agent is not smaller than 90%, the persistent foaming property of the microcapsule suspending agent is not larger than 20mL, the pH of the microcapsule suspending agent is 7.0-10.0, and the microcapsule suspending agent is qualified in thermal storage stability and cold storage stability.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Carbonizing device for solid waste recycled aggregates for concrete

ActiveCN107814502ASolve the unsustainable carbonizationSolve efficiency problemsProductsCarbon compoundsConstruction aggregateVALVE PORT
The invention discloses a carbonizing device for solid waste recycled aggregates for concrete. The device comprises a loading bin, a drum type carbonizing bin and a storage bin, wherein the loading bin and the storage bin are arranged on two ends of the drum type carbonizing bin in a sealing way; a circumferential rack is arranged on an outer surface of the drum type carbonizing bin, and is meshedwith a fixed motor transmission gear. A double-spiral turnover plate is arranged on an inner cylinder wall of the drum type carbonizing bin. The loading bin is provided with a carbon dioxide air inlet, and a feed hopper is arranged on the end part; a discharging leakage pipe is arranged on the bottom part of the storage bin. The feed hopper is sealed by a valve closed by automatic rebound, and adischarge hole is sealed by a water tank. The carbonizing device not only realizes continuous production of recycled aggregates carbonizing, but also realizes full seal of a carbonizing space, guarantees that no CO2 gas is lost during a carbonizing process, and provides a way for industrial production of solid waste recycled aggregates carbonizing. Meanwhile, according to the carbonizing device, the recycled aggregates can fully absorb the CO2 gas, and the mechanical strength of the recycled aggregates is greatly improved.
Owner:CHINA UNIV OF MINING & TECH

Continuous winding vacuum coating method for ultrathin base film

The invention discloses a continuous winding vacuum coating method for an ultrathin base film. The method is used for preparing multiple film layers on a flexible base film in the field of new energy power batteries, and mainly comprises the following steps: (1) placing the base film on an unwinding roller in an unwinding chamber of a vacuum coating machine, closing a vacuum chamber, and vacuumizing the vacuum chamber; (2) performing vacuum film penetration on the base film on a winding system by adopting a vacuum film penetration mechanism in a vacuum environment; and (3) when the vacuum degree in vacuum evaporation coating chambers and a magnetron sputtering coating chamber of the vacuum coating machine meets the process requirement, starting the winding system, an evaporation device and a magnetron target. The magnetron sputtering coating chamber is vertically arranged, and the vacuum evaporation coating chambers are arranged on the two sides of the magnetron sputtering coating chamber in a stacked mode. The base film passes through the vacuum evaporation coating chamber on one side, the magnetron sputtering coating chamber and the vacuum evaporation coating chamber on the other side in sequence, evaporation coating and magnetron sputtering coating are conducted respectively, and multiple film layers are plated on the two faces of the base film respectively.
Owner:辽宁分子流科技有限公司

Double-sided multi-station winding type vacuum coating machine

The invention discloses a double-sided multi-station winding type vacuum coating machine, which is used for preparing multiple film layers on a flexible base film in the field of new energy power batteries, and mainly comprises an unwinding chamber, vacuum evaporation coating chambers, a magnetron sputtering coating chamber, a winding chamber and a winding system. The magnetron sputtering coating chamber is vertically arranged and is positioned in the middle of the vacuum coating machine. The 2-10 vacuum evaporation coating chambers are arranged on the two sides of the magnetron sputtering coating chamber in two rows in a stacked mode, and evaporation devices are arranged in the vacuum evaporation coating chambers. The winding system mainly comprises an unwinding roller positioned in an unwinding chamber, a winding roller positioned in a winding chamber, and a main roller, a front pre-cooling roller and a rear pre-cooling roller which are arranged in each vacuum evaporation coating chamber. The main roller located above the evaporation device bears a base film needing to be subjected to evaporation coating, circulating cooling liquid is introduced into the main roller, and subzero treatment is conducted on the base film at the temperature ranging from-150 DEG C to-220 DEG C.
Owner:辽宁分子流科技有限公司

Compound pesticides water emulsion agent containing fipronil and triazophos and preparation method thereof

The invention discloses a compound disinsection water emulsion which contains fipronil and triazophos and a preparation method thereof. The water emulsion comprises 0.5-3 percent of the fipronil, 20-40 percent of the triazophos, 5-12 percent of emulsifier, 0-3 percent of stabilizer, 2-10 percent of cosolvent, 0-5 percent of antifreeze, 0-3.0 percent of thickener and the rest is dispersion medium water, which are dispersed evenly by a high-speed cutting and mixing emulsifier or are homogenized by a high-pressure homogenizer, thus obtaining the invention. The invention does not have insecticide resistance, has high efficacy and special effects on preventing rice stem borers, yellow rice borers, pink rice borers, rice leaf rollers, plutellid moths and diamondback moths; the invention also can control leafhoppers, plant hoppers, flies and coleopteran pests at the same time. The invention adopts the water as the dispersion medium and has the advantages that the invention does not pollute the environment, has no crystallization phenomena after two-year storage and has long shelf life; besides, the invention is not inflammable, can be safely stored and transported and has simple production technique; compared with using the fipronil independently, the cost of the invention can be reduced greatly.
Owner:郦卫弟

Microemulsion containing difenoconazole and propiconazole and preparation method of microemulsion

ActiveCN110839638ATransparent over a wide temperature rangeIncrease profitBiocideFungicidesPesticideActive agent
The embodiment of the invention discloses a microemulsion containing difenoconazole and propiconazole, and belongs to the technical field of pesticides. 100% of the microemulsion containing difenoconazole and propiconazole is prepared from the following components in percentage by mass: 10-20% of difenoconazole, 10-20% of propiconazole, 10-25% of a surfactant, 20-30% of a solvent, 1-5% of a synergist, 2-5% of an anti-freezing agent, and the balance water; wherein the surfactant is prepared from triphenyl ethyl phenol polyoxyethylene ether, polyoxyethylene ether non-ions and bisamide sodium disulfonate according to the weight ratio of (3 to 6) : (2 to 3) : (2 to 3). The microemulsion provided by the invention is prepared from the environment-friendly solvent, and has the characteristics ofstable performance and obvious control effect; and the problems that a solvent in an existing microemulsion is not friendly to the environment and is not safe to use are solved.
Owner:HUIZHOU YINNONG TECH

Carbonized steel slag building material product prepared from cement kiln tail flue gas and method thereof

PendingCN114804782AImprove stabilityAvoid carbonizing conditionsFlue gasSlag
The invention relates to the field of comprehensive utilization of resources, in particular to a carbonized steel slag building material product prepared from cement kiln tail flue gas and a preparation method of the carbonized steel slag building material product. The method comprises the following steps: mixing steel slag powder, cement, water, sand and an additive in proportion, hardening under a standard curing condition, and then carbonizing in a cement kiln tail gas kiln to obtain the carbonized steel slag building material product. According to the method disclosed by the invention, the steel slag product is carbonized by utilizing the cement kiln tail flue gas, and the steel slag is converted into the building material product, so that the maintenance period of the steel slag building material product is effectively shortened, the carbon emission of cement enterprises is remarkably reduced, CO2 in the flue gas is turned into wealth, and the problem that the steel slag is difficult to utilize is solved; meanwhile, the temperature of the tail flue gas of the cement kiln is fully utilized in the whole technological process, additional energy consumption is not needed, and the requirement for carbonization reaction equipment and the overall cost are reduced. The steel slag building material product prepared by the method is good in stability and excellent in comprehensive performance, and has a wide application prospect.
Owner:BEIJING UNIV OF TECH +1

Compound bromelain ointment and preparation method thereof

InactiveCN109364242APrevention and Control of InfectionAids in synthetic maturationPeptide/protein ingredientsHydroxy compound active ingredientsSkin graftingMedicine
The invention discloses compound bromelain ointment and a preparation method thereof. A formula of the compound bromelain ointment is prepared from the following components in percentage by mass: 30 to 40 percent of bromelain, 3 to 7 percent of lysozyme, 0.1 percent of vitamin A, 20 to 50 percent of a matrix and 12.9 to 46.9 percent of water. According to the formula disclosed by the invention, natural decrustation time is quickened through the bromelain, specific sterilization mechanism and broad-spectrum sterilization ability can be increased through the lysozyme, the infection situation during a wound decrustation period can be effectively prevented and controlled, and the vitamin A is beneficial for matural collagen synthesis, epithelialisation and vascularization, so that the compoundbromelain ointment can be used for decrustation of deep II-degree and III-degree burn wounds and has the function of controlling wound infection and inflammation, and the time for skin grafting of patients suffering from deep II-degree and III-degree burn can be quickened. The preparation method is designed according to physicochemical characteristics of the formula, and the drug effect can be expressed to the maximum.
Owner:浙江华缔药业集团有限责任公司

Anti-condensation system for winding type vacuum coating machine

The invention discloses an anti-condensation system for a winding type vacuum coating machine. The anti-condensation system is applied to the winding type vacuum coating machine for manufacturing new energy power batteries. The anti-condensation system mainly comprises a banister brush, a capillary tube group, a water storage tank and a gas-liquid separation channel; the banister brush has high hydrophilicity and can continuously absorb tiny water drops from the surface of a main roller, and the root of the banister brush is connected with the capillary tube group; the capillary tube group is composed of more than two capillary tubes, the other end of the capillary tube group is connected with the gas-liquid separation channel, the inner diameter of a pipeline of the gas-liquid separation channel is suddenly increased from the inner diameter of the capillary tubes, the water storage tank is arranged at the tail end of the gas-liquid separation channel, and the capillary tube group continuously conveys water absorbed by the banister brush to the gas-liquid separation channel through the capillary action; and water vapor is subjected to gas-liquid separation in the gas-liquid separation channel, and water is collected into the water storage tank. When the anti-condensation system is used for carrying out evaporation coating on a base film, water vapor removal treatment is continuously carried out on the surface of the main roller in a physical manner.
Owner:辽宁分子流科技有限公司
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