237results about How to "Easy generation" patented technology

The invention provides a cellulose/silver chloride composite material and a preparation method thereof. The cellulose/silver chloride composite material is quickly prepared by adopting microcrystalline cellulose, sliver salt and chlorine compound as the materials, adopting water as solvent and adopting an ultrasonic-wave treatment method. The cellulose/silver chloride composite material prepared by the preparation method disclosed by the invention is uniform in silver/ silver chloride nanometer particle, capable of being uniformly distributed on a cellulose substrate and is extensive in application prospect in the antibacterial filed and the photocatalysis filed. Moreover, according to the preparation method disclosed by the invention, the materials are cheap, the process is simple, the operation is convenient, the preparation is quick and the process conditions are easy to control, so that the production process is greatly simplified, the time is saved and the cost is reduced. Meanwhile, the preparation method is free of any expensive and complex equipment and is beneficial to the industrial popularization.

The invention discloses a gas particle concentration measurement method and a gas particle concentration measurement device on basis of broadband linear frequency modulation ultrasound. The measurement method includes the following steps: constructing a measurement signal by using a linear frequency modulation (LFM) signal, performing digital-to-analogue conversion to the measurement signal and transmitting the converted measurement signal from a transmitting ultrasonic transducer array; detecting an ultrasonic signal by a receiving ultrasonic transducer array, so as to obtain a received signal; performing analog-to-digital conversion to the received signal, and further performing spectrum estimation to the received signal, so as to obtain an attenuation spectrum of the received signal; and moreover, analyzing the obtained attenuation spectrum, determining the linearity of corresponding particles on basis of the frequency, and determining the concentration of corresponding linear particles as per the frequency spectrum amplitude on basis of a mathematical model or an empirical formula. The device for realizing the method includes an operating module, a processing module, a transmitting/receiving module, an outputting module and a measurement cavity. The method and the device, disclosed by the invention, have the advantages of wide application range, high measurement accuracy, simple device, low cost, convenience in use and the like.

The invention relates to an automobile engine valve blank cross wedge rolling accurate forming method, which comprises the following processes that: a roller with two wedge-shaped molds is arranged on a cross wedge rolling machine; then a round metal rod material is heated to 1100 to 1180 DEG C; finally, the round metal rod material is arranged on a caliber between an upper mold and a lower mold through an axial feed device, the roller with the sedge-shaped molds rotates in the same direction; and the heated round metal rod material carries out the rotary motion under the action of the side wall and the top surface of a mold wedge, continues the deformation of radial compression and axial extension, and is cut in the middle thereof to gain a pair of automobile engine valve blanks; the forming angle Alpha of the wedge-shaped mold is 23-30 degrees, the widening angle Beta thereof is 5-8 degrees, and the knuckle R thereof is 5-15mm; and compared with the traditional electrical upsetting process, the invention has the advantages that the cost is reduced, the production rate is improved, and the remarkable economic benefit is brought.

The invention discloses a carbon nano-tube with a fluorine-containing surface, wherein the surface of the carbon nano-tube is of a carbon-fluorine covalent bond structure, the content of fluorine in the surface is 4-14%, and the decrease rate of the content of the fluorine is smaller than 5% after a produced fluorocarbon nano-tube is treated for 1 hour under a vacuum condition at 350 DEG C. The preparation method of the carbon nano-tube comprises the following steps of: firstly treating the carbon nano-tube by utilizing strong acid, secondly placing the carbon nano-tube in a vacuum reactor, charging fluorine/inert gas mixture with fluorine partial pressure of 10-100KPa in nitrogen atmosphere under room temperature to react for 0.5-4 hours at 150-300 DEG C, and cooling down to be the room temperature to obtain the carbon nano-tube. The fluorocarbon nano-tube prepared by the preparation method disclosed by the invention has the advantages of high fluorine content, low reaction temperature, high safety, energy conservation, and simple process, a fluorine-containing group of the surface of the treated prepared fluorocarbon nano-tube has good heat resistance and lower cost, and the fluorocarbon nano-tube is suitable for large-batch production and has stronger application prospect.

The invention relates to a preparation process of nickel-saving type double-phase stainless steel, comprising the following steps of: 1) controlling components of a mother solution in an electric furnace as follows: more than 1.0% of C, less than 1.0% of Si, 12-21% of Cr, 1.5-1.9% of Ni and less than 0.025% of P, controlling a tapping temperature at 1580-1630 DEG C, and mixing the mother solution in the electric furnace with a high-carbon ferro-chrome mother solution in an intermediate-frequency furnace to form a mixed mother solution, wherein the high-carbon ferro-chrome mother solution contains the following components of 6-10% of C, less than 0.5% of Si, less than 0.06% of P, 62-72% of Cr and the balance of iron; and 2) blending the mixed mother solution into an AOD (Argon Oxygen Decarburization) furnace to carry out oxygen blowing and decarburization, nitrogen blowing and component adjustment, refining in a steel ladle refining furnace and adding a micro-alloy into the components, and finally adjusting, wherein the adjusted chrome-nickel equivalence ratio is more than or equal to 2.2. The chrome-nickel equivalence ratio is properly controlled to be good for forming double-phase stainless steel high-temperature ferrite so that heat machining is carried out in a single-phase region to the greatest extent; and furthermore, the preparation process is good for the high-temperature plasticity of the double-phase stainless steel.

The invention discloses a fluorinated acrylate copolymer pervaporation composite film which comprises a supporting layer and an active separating layer, wherein the active separating layer is uniformly distributed on the supporting layer which is a polytetrafluoroethylene microporous supporting film. The active separating layer is a fluorinated acrylate copolymer. The surface composition and body structure of the fluorinated acrylate copolymer pervaporation composite film are controllable, and the fluorinated acrylate copolymer pervaporation composite film has better stability, heat resistance, corrosive resistance, and long service life. The invention further discloses a preparation method of the fluorinated acrylate copolymer pervaporation composite film. The preparation method has the advantage of effectively solving the problem of non-uniformity and crack in the film coating process, and the preparation method is simple and low in cost, and easy to realize industrialized production.

The invention relates to a water-based organic ceramic sprayed aluminum veneer and a manufacturing method thereof, and belongs to the technical field of curtain wall decorative boards. The water-based organic ceramic sprayed aluminum veneer comprises a passivation layer I, an aluminum baseplate, a passivation layer II, a bottom paint layer and a surface paint layer in sequence from top to bottom, wherein the bottom surface and the surface of the aluminum baseplate are conducted by passivation processing to obtain the passivation layer I and the passivation layer II respectively; the bottom paint layer is formed by spraying a water-based organic ceramic material for 15-20 <Mu>m on the passivation layer II; the surface paint layer is formed by spraying the water-based organic ceramic material for 20-30 Mum on the bottom paint layer. The sprayed aluminum veneer has the advantages that the aluminum veneer is controllable in range of glossiness, high in intensity and hardness, scratch resistant, acidproof, highly flame-retardant, and aging-resistant, provided with self-cleaning performance, and large in color choosing space.

The invention discloses a fluorocarbon self-cleaning coating comprising the following raw materials, by weight: 28-35 parts of fluorocarbon resin, 4-10 parts of acrylic resin, 0.5-5.0 parts of amino resin, 0.1-0.5 parts of a catalyst, 2-8 parts of alkoxy-modified silicone resin, 25-35 parts of a pigment filler, 0.1-1.0 parts of a defoaming agent, 0.5-2.5 parts of a dispersing agent, 1.0-4.0 parts of a matting agent, and 20-30 parts of a solvent. According to the fluorocarbon self-cleaning coating provided by the invention, while the service life of the fluorocarbon coating is ensured, the coating has the characteristics of low water contact angle and carbon black contamination resistance. The invention also discloses a preparation method of the fluorocarbon self-cleaning coating. The preparation process is simple, and can be easily industrialized.

The invention provides a control method for a mobile air conditioner and a control device. The mobile air conditioner comprises a refrigerating system consisting of a compressor, an evaporator and a condenser, and a water striking motor for striking the condensed water on the evaporator to the condenser. The control method for the mobile air conditioner comprises the steps: detecting the real-time dry ball temperature and real-time relative humidity of the environment located by the mobile air conditioner, and recording the running duration of the compressor; according to the running duration of the compressor, the real-time dry ball temperature and real-time relative humidity, controlling the water striking motor to work, so that the condenser can reach the optimal heat exchanging effect. The technical scheme is capable of improving the heat exchanging efficiency of the condenser, and improving the energy efficiency of the mobile air conditioner.

The invention provides a preparation method of a molybdenum disulfide-tourmaline composite material and relates to a composite material. The molybdenum disulfide-tourmaline composite material is prepared by a microwave hydrothermal method. The preparation method comprises the following steps: treating tourmaline, preparing a reactant raw material mixed liquid of molybdate, sulfide and tourmaline;pouring the reactant raw material mixed liquid into a polytetrafluoroethylene reaction kettle, placing the polytetrafluoroethylene reaction kettle into microwave hydrothermal equipment and completingmicrowave hydrothermal effective composition of the reactants; and washing and drying the product obtained by the microwave hydrothermal method to prepare the molybdenum disulfide-tourmaline compositematerial. The defects in the prior art for preparing the molybdenum disulfide composite material that the molybdenum disulfide composite material is liable to gather or stack again in the drying or annealing process as well as the defects of complex preparation process, long reaction cycle, high energy consumption and high cost are overcome.

In a wheel-support rolling bearing unit, in order to made a flange 6 thinner and thus lighten the bearing unit without impairing fatigue strength, machinability, and workability after forging, the composition of the alloy steel constituting the flange attached member (hub ring 2), the surface hardness of the root portion 14 on the axial outside surface side of the flange 6, and the surface roughness, are stipulated to thereby improve the durability ratio (fatigue limit strength/tensile strength) of the flange 6. In one aspect, the member is made from an alloy steel containing C: 0.5 to 0.65 weight %, Mn: 0.3 to 1.5 weight %, Si: 0.1 to 1.0 weight %, Cr: 0.01 to 0.5 weight %, S: 0.35 weight % or less, and any one type or more selected from 0.01 to 0.2 weight % of V, 0.01 to 0.15 weight % of Nb, and 0.01 to 0.15 weight % of Ti, with the rest being Fe and inevitable impurities, and the oxygen contents is 15ppm or less. Moreover, the surface hardness of the inner raceway 7a formed with the hardened layer, is between Hv 650 and 780, and the surface hardness of a portion not formed with the hardened layer is between Hv 230 and 300.

A provided electromagnetic water treatment apparatus comprises an ion exchange membrane, a water-flowing pipe, at least a positive plate and at least a negative plate; the positive plate and the negative plate are applied in the water-flowing pipe for applying an electric field. The electromagnetic water treatment apparatus also comprises an magnetic device used for applying a magnetic field perpendicular to the electric field in the water-flow pipe. By using the electric field and the magnetic field at the same time, the electromagnetic water treatment apparatus has the advantage of high electrolysis efficiency.

The invention provides a method for synthesizing a bismuth vanadate photocatalyst through starch self-combustion. According to the method, BiNO3-5H2O and NH4VO3 with the molar ratio being 1:1 are dissolved in diluted nitric acid and deionized water respectively, after the BiNO3-5H2O and the NH4VO3 are completely dissolved and evenly stirred, the two solutions are mixed and stirred, the pH value of the mixed solution is adjusted to be 0.65-0.75 through aqueous ammonia, starch is added into the mixed solution to serve as an accelerant, stirring continues for 40-80 min, and a pasty solution is obtained; the pasty solution is taken out and placed in a muffle furnace to be heated to 600-660 DEG C, heat is preserved for 6-7 hours, and fluffy powder BiVO4 can be obtained. The starch is used as the accelerant, the bismuth vanadate photocatalyst is synthesized through the self-combustion method, the appearance of the bismuth vanadate photocatalyst is in a net-shaped particle ball shape, the diameter of a particle ball ranges from 8 microns to 15 microns, the bismuth vanadate photocatalyst has large specific surface area and high adsorption capacity, photocatalytic activity is improved, and the photocatalyst has an obvious visual light absorbing effect. Besides, the synthesizing process is simple, cost is low, environment friendliness is achieved, and the method is suitable for industrial production.

The invention provides a water-based environmental protection rust inhibitor for steel parts, and a preparation method and application of the water-based environmental protection rust inhibitor. The rust inhibitor is prepared from polyvinyl butyral and a bis-silane phenolic compound which are used as film-forming agents, a corrosion inhibitor A, a corrosion inhibitor B, zinc phosphate used as anti-rust pigment, a dispersing agent, a complexing agent, modification additives, other additives, and a solvent formed by ethanol and deionized water. An anti-rust film formed by the rust inhibitor is good in mechanical properties, high in hardness and compactness, wear-resistant and scratch-resistant, and high in impact resistance; the water-based environmental protection rust inhibitor is good in compatibility with the anti-rust pigment, environmentally-friendly and free from pollution; the rust inhibitor is good in rust prevention effect, can be cured at the room temperature and is uniform in film formation; the rust inhibitor is high in binding force with a base material; the rust inhibitor is good in high-temperature stability and low-temperature stability, and enables a whole rust removal system to be stable.

The invention relates to the technical field of paper diaper processing, and particularly relates to a paper diaper composite core and a processing method thereof. The composite core comprises a facelayer, a wood pulp paper layer and a waterproof layer which are orderly arranged from top to bottom; the face layer comprises a soft cotton layer and a hydrophilic non-woven cloth layer; the soft cotton layer is arranged at the upper surface of the hydrophilic non-woven cloth layer, and an aromatic substance is arranged on the soft cotton layer; the upper surface and the lower surface of the hydrophilic non-woven cloth layer are provided with multiple strip-shaped glue coating points arranged at intervals; the soft cotton layer is connected to the upper surface of the hydrophilic non-woven cloth layer through the glue coating point. The paper diaper composite core has the beneficial effects of being simple in structure design; through processing a channel on the upper half part of the upper surface of a wood pulp paper layer, a macromolecular water absorbing grain is prepared to be fiber or cloth face, the macromolecule water absorbing grains are paved in the channel at intervals; thusthe paper diaper composite core prevents the macromolecule water absorbing grains in the composite core from dropping out and generating powder dust easily; the composite core body is not easy to clot.

The invention provides a production process of ultrafine calcium carbonate powder, and relates to the technical field of calcium carbonate powder. The production process of the ultrafine calcium carbonate powder comprises the following steps: firstly, carrying out a digestion reaction on water and quick lime according to a mass ratio of (7-8):1, ageing for 24-36 h, and sieving to obtain a refinedslurry; adding water into the refined slurry to prepare a calcium hydroxide slurry with the concentration of 1-1.5 mol/L; adding a crystal form control agent into 10 L of the calcium hydroxide slurry,introducing gas, and carrying out a carbonization reaction; finally, performing a reaction for 2-2.5 h at 70-80 DEG C; and centrifuging, drying and crushing the slurry obtained by the reaction to obtain the ultrafine calcium carbonate powder. The ultrafine sodium carbonate prepared by reasonable blending has small size, good solubility, good controllability and good dispersity, can be controlledto be prepared into calcium carbonate with different crystal forms and morphologies, and has different use effects.