83results about How to "Easy product quality" patented technology

The invention discloses a method for preparing metallurgy-level aluminum oxide by using fluidized bed pulverized fuel ash as a raw material. The method comprises the following steps of: a) grinding the pulverized fuel ash, and removing iron by a wet magnetic separation method; b) reacting the pulverized fuel ash subjected to magnetic separation with hydrochloric acid to obtain hydrochloric acid immersion liquid; c) allowing the hydrochloric acid immersion liquid to pass through a large pore type cation resin column for further iron removal to obtain refined aluminum chloride solution; d) concentrating the refined aluminum chloride solution, and crystallizing to obtain an aluminum chloride crystal; and e) calcining the aluminum chloride crystal and decomposing to obtain the metallurgy-level aluminum oxide. The method has a simple process and an easily-controlled production process, and is high in aluminum oxide extraction efficiency, low in production cost and stable in product quality.

The invention discloses a device for automatically assembling screw and an automatically assembling system, the device includes a frame, a locating member, a taking member, a driving member and a screw feeding member: the locating member is for locating a product to special position; the taking member includes a rotating plate, at least three sucking elements fixed below the rotating member and located at a same circumference, and an electric screwdriver connected with the driving member and located upon the circumference; the driving member drives the rotating plate rotating, the electric screwdriver is movably located on the driving member; the screw feeding member includes a feeding plate including feeding positions, each feeding position corresponds to one sucking element; the (driving member drives the sucking element acquiring the screw, and drives the sucking element moving the acquired screw to a position for the electric screwdriver assembling the screw to the product.

The invention relates to a slow release pellet of high-stability type cysteamine hydrochloride and a preparation method thereof. The slow release pellet comprises the following components in portionsby weight: 30-70 portions of cysteamine hydrochloride, 20-40 portions of silicon dioxide and 5-25 portions of polymer material as coating wall material. The preparation method comprises the followingsteps: firstly, using silicon dioxide pellets to absorb liquid cysteamine hydrochloride in proportion to form cysteamine hydrochloride particles; then, using the coating wall material to encapsulate the cysteamine hydrochloride particles to form a membrane cavity control structure; and drying the structure to obtain slow release pellets of 50% cysteamine hydrochloride. The slow release pellet hasthe characteristics of stable product quality, high content, reasonable preparation method, easy batch production and simple using method and can be added into the premix.

The invention relates to a vacuum-pumping system for multiple-dewar interlayer and a vacuum-pumping method thereof. The vacuum-pumping system comprises a vacuum unit, a three-way pipe fitting A, a bypass valve, a preceding stage valve, a three-way pipe fitting B, a holding valve, a holding pump, a system main pump, a water cold trap, a three-way system main valve, a liquid nitrogen cold trap and a vacuum system pipeline, wherein the vacuum unit comprises a main mechanical pump and a pressurizing pump, dewar interlayer opening ports are arranged on the vacuum system pipeline at intervals, and a hot nitrogen port is arranged on the vacuum system pipeline. The vacuum-pumping system can pump multiple dewars at one time, is high in efficiency, solves the problem of large-scale production of the dewars, and saves a great number of manpower and material resources. The vacuum-pumping method is simple in procedure so that operation time for pumping vacuum of the dewar interlayer is greatly shortened, and waste of resources is avoided.

The invention provides a preparation method of nano-manganese oxide which is of a nanowire net structure. The preparation method comprises the following steps: dropwise adding an oxidant containing aqueous solution or feeding oxidizing gas into an active agent containing manganese salt aqueous solution, and uniformly dispersing; carrying out a liquid-phase co-precipitation reaction, so that nano-sized manganese dioxide is suspended in the solution; filtering the solution; and washing and drying the obtained precipitate subjected to filtering, so that the nano-manganese oxide is obtained. The nano-manganese oxide prepared by using the preparation method disclosed by the invention can be applied to the field of super capacitors and wastewater treatment. According to the invention, through elaborate design, the industrial process is maximally simplified, the quality of products is improved, and the production cycle is shortened, therefore, the method disclosed by the invention is a nano-manganese oxide preparation method which is simple in technological process, small in energy consumption, short in reaction period, good and stable in product quality and low in cost.

The present invention belongs to the field of biological pesticide technology, and includes four aspects: 1. separation and identification of Acinetobacter baumannii strain LCH0606; 2. preparation and application in preventing and controlling plant diseases of Acinetobacter baumannii liquid; 3. preparation and disease preventing application of Bauman bacterin; and 4. effective component analysis of Bauman bacterin. Acinetobacter baumannii liquid and Bauman bacterin have main effective component of Iturin A, and possess broad bactericidal spectrum, less germ resistance, no harm to plant, safety to animal, environment friendship and other advantages. In addition, Acinetobacter baumannii liquid and Bauman bacterin have certain germination promoting effect on rice seed.

An adobe structure for electrolysis-type ozone generator and its preparing process are disclosed. Said anode structure is composed of the impervious air-tight compact anode plate and the catalyst particles layer which is freely spread in the space between said anode plate and anode frame. The gap between periphery of anode plate and the inner surface of anode frame is less than the least diameter of catalyst particles but can allow the raw water and generated gas to pass through it.

The invention relates to a production process for preparing aluminium fluoride by using ammonium bicarbonate, which solves the problem that the prior wet-method aluminium fluoride production process adopts more expensive aluminium hydroxide as a raw material, reduces production cost and is easy to carry out industrial production. The process is characterized in that fluosilicic acid reacts with ammonium bicarbonate to generate ammonium fluoride solution and silicon dioxide deposition; then, the filtered and separated ammonium fluoride solution reacts with aluminum chloride hexahydrate to prepare soluble Beta-AlF3.3H2O and ammonium chloride solution; soluble Alpha-AlF3.3H2O is converted into insoluble Beta-AlF3.3H2O through crystallization; and the finished product of aluminium fluoride isobtained through separation, washing, drying and calcination. The process is the most economical process for producing aluminium fluoride from a by product fluosilicic acid of enterprises for producing phosphoric acid and calcium superphosphate by a wet-method.

The invention provides a novel heat-resistant corrosion-resistant coating as well as a preparation and application method of the novel heat-resistant corrosion-resistant coating, wherein the novel heat-resistant corrosion-resistant coating comprises ethyl silicate, methyl triethoxysilane, triethylamine, ethyl alcohol, hydrochloric acid, o-cresol formaldehyde epoxy resin, dimethylbenzene, diatomite, silica, zinc oxide, zoelite powder, mica, a butyl cellosolve solvent and butyl alcohol. The novel heat-resistant corrosion-resistant coating is reasonable in components, the stability, the corrosion resistance and the heat resistance of a product are good, and the stability is high. The preparation method of the novel heat-resistant corrosion-resistant coating is simple and feasible in process, high in production efficiency and low in application cost, the operation is easy and simple to implement, the quality of a produced product is stable, and the popularization and application values are relatively high.

The invention discloses a method for preparing powdery electrolytic manganese dioxide (EMD). In the method, the powdery EMD is directly obtained from solution by improving the electrolytic process and controlling the electrolytic condition; and during electrolysis, a diaphragm electrolytic cell is adopted, a lead silver alloy plate or a titanium manganese alloy plate subjected to acid treatment is taken as an anode, and a graphite plate or a stainless steel plate is taken as a cathode. The method comprises the following steps of: preparing electrolyte with 0.1 to 10.0mol / L sulfuric acid and 0.4 to 1.2mol / L manganese sulfate, adding an active agent into the electrolyte, electrolyzing at the temperature of between 20 and 100 DEG C under the action of ultrasonic waves, and filtering to obtain the powdery EMD; and washing the powdery EMD for multiple times, adding a dispersing agent into solution when the powdery EMD is washed for the last time, and drying to obtain the powdery EMD. The method has the characteristics that: the process flow is simple, energy consumption and cost are low, product particles are uniform and have good appearance, and the like.

The invention discloses a cold-forging plastic molding technology of a precisely-forged brake threaded pipe component. The cold-forging plastic molding technology comprises the following steps of material cutting, annealing, blank making, shot-blasting, phosphorus saponifying processing, cold-forging reverse extrusion, annealing, shot-blasting, phosphorus saponifying processing and cold-forging cavity molding. Milling processing is not required by the technology, cold reverse extrusion and molding procedures are instantly finished, the production efficiency is high, the processing cost is low, the raw material is saved, the metal streamline of the material is complete and is not cut off, milling marks are not left on the surface, the product quality is stable, the comprehensive mechanical performance is high, both the accuracy and the strength of the product are ensured, the operation quantity of machine processing is reduced, and the development trend of modern world manufacturing industry is met.

The invention relates to a refine method for caprolactam that takes process of neutralization reaction, pre-refining, concentrating and distilling, and impurity extracting to caprolactam to gain high purity caprolactam. The invention is simple technology, sharply decreases power consumption and operating density. It improves the quality of the product, and declines cost.

The invention discloses an electromagnetic heating roller used for a corrugating machine, an application of the electromagnetic heating roller and a corrugating machine electromagnetic heating method, and belongs to the technical field of electromagnetic heating. The electromagnetic heating roller comprises a roller body and an electromagnetic heater. The electromagnetic heater is used for heating the roller body. The roller body is provided with a cavity for encapsulating heat-conducting liquid. The electromagnetic heater can heat the heat-conducting liquid through the roller body, so that steam is produced in the cavity of the roller body. The electromagnetic heater comprises a plurality of U-shaped magnets and an electromagnetic wire. The multiple U-shaped magnets are arranged on a straight line side by side in the axis direction of the roller body. The electromagnetic wire is wound at the two ends of the U-shaped magnets in a single-loop wire winding mode to form a coil. Corrugated paper can be uniformly heated through the electromagnetic heating roller, moisture balance of the corrugated paper in the whole width direction is ensured, and the product quality is improved.

The invention discloses a calcium dobesilate capsule and a preparation method thereof. The calcium dobesilate capsule is prepared from calcium dobesilate, croscarmellose sodium, magnesium stearate and polyvinyl pyrrolidone, wherein every 1000 calcium dobesilate capsules contain 500g of calcium dobesilate, 20-50g of croscarmellose sodium and 2-6g of magnesium stearate. In addition, a traditional preparation method is improved in the invention, and the improved method comprises the following steps: on the basis of taking the croscarmellose sodium as a disintegrating agent and taking the magnesium stearate as a lubricating agent, adding a proper amount of the polyvinyl pyrrolidone to prepare a bonding agent; preparing the bonding agent and the calcium dobesilate as well as the croscarmellosesodium into granules by a multi-step granulation method; and spraying the ethanol solution of the magnesium stearate onto the surfaces of the granules to obtain calcium dobesilate capsules with stable quality, high dissolution rate and small content uniformity.

The invention provides a cement-based steel slag sand mending material used for mending buildings. Raw materials for the mending material comprise, by weight, 50 to 78% of steel slag sand with a particle size of no more than 4.75 mm and 22 to 50% of silicate cement. According to the invention, steel slag can be used to fully replace river sand, and the mending material prepared from the steel slag has better tensile bond strength than that of a mending material prepared from natural river sand. When a plurality of auxiliary materials are properly added, the mending material better presents the advantages of high bond strength, good flexibility, appropriate anti-compression and flexural strength, a low ratio of compressive strength to flexural strength, good wear resistance, good crack resistance, a small drying shrinkage value and good compatibility with a cement concrete material. According to the invention, the raw materials are widely available and cheap, and industrial waste, i.e., steel slag, is fully utilized; a product obtained after uniform mixing of the raw materials in proportion has stable quality and is simple to construct and operate on site; after mixed with water, the mending material provided by the invention has good workability and water retention performance and is nonhazardous, pollutionless, green, environment-friendly and energy saving mending mortar for buildings.

The invention discloses an adhesive containing modified PVC (polyvinyl chloride) resin for packaging materials. The adhesive comprises an A component and a B component. The adhesive disclosed by the invention has the advantages of reasonable formula design, easily avaliable raw materials, simple production process, easiness in matching with equipment, stable product quality and strong adhesion force, and can be used for improving the physical properties, medium resistance, storage stability and the like in comparison with a traditional adhesive; by adding plant ash after treatment, the damages of water molecules to the adhesive are effectively reduced, the water resistance of the adhesive is greatly improved, and the adhesive has great quick-drying property because the hydrophilicity of the adhesive is reduced; and by adding the modified PVC resin, the viscosity of the adhesive is increased, the flowability of colloid is improved and the adhesion performance of a product is further enhanced.

The invention discloses a thiocarbamate compound preparation method for preparation of a thiocarbamate flotation agent of sulfide ore. According to the preparation method, corresponding xanthate and amine are adopted as starting materials, water is adopted as a solvent, and a one-step method is adopted to synthesize the corresponding thiocarbamate compound. With the preparation method, the defect of the two-step reaction of the traditional method is overcome, the process is simplified, and a production operation environment is improved. The preparation method has characteristics of simpleness, easy operation, substantial synthesis process shortening, production efficiency improvement, and stable product quality, and provides a simple and feasible method for thiocarbamate flotation agent preparation.

The invention relates to a synthetic method for halofuginone and an intermediate of the halofuginone. The reaction formula is shown in the description, wherein R1 is one selected from the group consisting of methyl, ethyl, n-propyl, isopropyl and t-butyl; R2 is one selected from the group consisting of methyl and ethyl; and R3 is one selected from the group consisting of methoxyformyl, ethoxyformyl, tert-butoxyformyl, benzyloxyformyl, trichloroethoxyformyl and benzyl. The synthetic method provided by the invention has the advantages of a simple process, low costs, few by-products in the synthetic process, a simple purification process, no need of column chromatography purification, a high product yield, less impurities, high purity, and controllable product quality, easily meets ICH declaration requirements and can be used for industrial production of the halofuginone.

The invention discloses a detection method for an antioxidant in ceftriaxone sodium for injection. According to the method, the antioxidant in ceftriaxone sodium for injection can be detected in an appropriate detection concentration through the establishment of a linear equation and the determination of precision degree, so that the product quality of the ceftriaxone sodium for injection can be further controlled in an auxiliary mode; the method is practical and simple, and a new direction of controlling the product quality of the ceftriaxone sodium for injection is developed.

The invention discloses a method for extracting radix angelicae dahuricae volatile oil through a subcritical fluid technique. The method for preparing the radix angelicae dahuricae volatile oil through subcritical fluid is performed under an intermediate temperature condition, so that the active material of the medicine is not damaged; the problems of inactivation and metamorphism of the volatile oil caused by high temperature are solved; the reutilization of the solvent can be realized; the use ratio of the raw materials is increased; the energy consumption is reduced; the production period is shortened; the method is fit for industrial production.

The invention provides a high-quality antirust and antibacterial coating and a preparation and application method of the high-quality antirust and antibacterial coating. Wherein the high-quality antirust and antibacterial coating of the present invention, it is made up of A component and B component, and A component includes: aryl acrylamide, xylene, isopropanol, diatomaceous earth and coal tar pitch ; B component includes: polyester resin, methyl ethyl ketone, xylene, titanium dioxide, carbon black, zinc powder, carvacrol, china clay powder and silver paste. The preparation method of the high-quality antirust and antibacterial paint of the present invention has the advantages of simple and easy process, high production efficiency, low application cost, simple operation and easy realization, stable product quality, and high popularization and application value.

The invention relates to an anti-leaking povidone iodine solution and a preparation method thereof. Each 1000g of anti-leaking povidone iodine solution is mainly prepared from the following raw materials in parts by weight: 0.3-5g of potassium iodate, 0.3-35g of potassium iodide, 10-25g of PVP (Polyvinyl Pyrrolidone), 2-10g of organic acid, 1-10g of surfactant, 0.5-10g of suspending agent, 18-30gof emollient and the balance of water and pH (Potential of Hydrogen) modifier, wherein the mass ratio of the PVP and the suspending agent is (3.5-5):1. The product has the advantages of good stability, less possibility of leaking, slow releasing, long-lasting pesticide effect, high antibacterial effect and skin protection, a great quantity of manpower and pharmacy cost can be saved, and the anti-leaking povidone iodine solution is suitable for extensive dairy farms.

The present invention provides an extreme pressure anti-wear lubricating grease composition and a preparation method thereof, wherein the raw materials comprise, by weight, 65-80% of composite calcium sulfonate-based lubricating grease, 8-23% of copper powder, 5-20% of polyester, 5-20% of polyisobutylene, 1-3% of a rust inhibitor, and 0.1-1% f an antioxidant. According to the present invention, the performance of the extreme pressure anti-wear lubricating grease composition is improved by adding the copper powder to the composite calcium sulfonate-based lubricating grease, wherein the wear can be effectively reduced and the wear resistance and the extreme pressure property of the composite calcium sulfonate-based lubricating grease can be well improved by adding the copper powder; the used copper powder has characteristics of small particle size, easy and complete dispersion on the lubricating grease, good dispersion stability and precipitation, and can effectively improve the stability of the composite calcium sulfonate-based lubricating grease; and the preparation method has characteristics of simpleness, less steps and low cost, and the product has characteristics of stable quality and easy monitoring.

A rotational speed adjustment mechanism of a pneumatic tool, including an intake member, a speed adjustment valve and a case enclosing the intake member and the speed adjustment valve. The intake member is formed with an intake and an exhaust port which are not communicated with each other. A lateral outlet and a lateral inlet are formed on the sidewall of the body section for communicating the intake with the exhaust port. The speed adjustment valve has a collar coaxially fitted on the body section and rotatable between a full speed position and a slowest speed position. A full speed through hole and at least one slow speed through hole are formed on the sidewall of the collar. When the collar is positioned in the full speed position, the full speed through hole is coaxially communicated with the lateral outlet, whereby the full diameter range of the lateral outlet provides a passage for the airflow. When the collar is positioned in the slowest speed position, the slow speed through hole is communicated with the lateral outlet, whereby simply the diameter range of the slow speed through hole provides a passage for the airflow.

The invention provides a novel high-efficiency wet-surface antibacterial paint, and a preparation method thereof. The novel high-efficiency wet-surface antibacterial paint comprises, by weight, 45 to 70 parts of acrylic resin, 18 to 32 parts of titanium dioxide, 0.4 to 0.8 part of carbon black, 14 to 30 parts of barium sulfate, 4 to 5 parts of 2,2-dibromo-2-cyanoacetamide, 10 to 20 parts of xylene, 2 to 8 parts of butyl acetate, and 5 to 10 parts of a plurality of auxiliary agents. The novel high-efficiency wet-surface antibacterial paint is reasonable in composition, and possesses excellent antibacterial effect, stability, and effects. The preparation method is simple and convenient; production efficiency is high; application cost is low; operation is simple and convenient; quality of obtained products is stable; and popularization and application value is high.

The invention relates to a lipstick with natural plant oil as a raw material. The problem that existing lipsticks have poor quality, are not safe to use and will affect people's health can be effectively solved in the invention. The lipstick of the invention is prepared from the following raw materials (by weight): 26-30% of millet oil, 26-30% of lanolin, 12-16% of beeswax, 12-16% of Vaseline, 6-8% of hemp seed oil and 6-8% of ginseng polysaccharide. The lipstick is prepared by the following steps: heating lanolin, beeswax and vaseline by water bath at 68-70 DEG C, continuously stirring clockwise, melting, slowing adding millet oil, hemp seed oil and ginseng polysaccharide while stirring, fully and uniformly mixing, continuously heating until a flowing liquid is formed, pouring the liquidinto a hollow lipstick tube rapidly to avoid the liquid from being solidified during the pouring process, cooling at room temperature to obtain the lipstick. The invention has the following advantages: the compatibility of the raw materials are scientific and reasonable, and the raw materials are easily available; the preparation method is simple; the product has stable quality and obvious effects, is safe to use, and can effectively meet requirements of the market on high quality and high safety; a new way of lipstick production is explored, and the market is wide.

The invention discloses high-billet strength tungsten powder and a preparation method thereof. The preparation method comprises the step of reducing transition-state purple tungsten in a hydrogen atmosphere so as to obtain the high-billet strength tungsten powder. According to the method, the production cost is reduced while the tungsten powder with the billet strength larger than or equal to 3.5 MPa is stably prepared.

The invention discloses a packing material binder containing nano kieselguhr. The binder consists of two components A and B. The binder has the advantages of reasonable prescription design, available raw material, simple production processes, easy matching of equipments, stable product quality and strong binding power. Compared with the traditional binder, the physical property, the medium resistance property and the storage stability of the binder disclosed by the invention are improved. Through the addition of the processed plant ash, the damage of the binder caused by the water molecule is effectively reduced, so that the water resistance of the binder is greatly enhanced; the hydrophilic performance of the colloid is reduced, so that the binder has the characteristic of well and quickly drying; and through the addition of the modified PVC (Poly Vinyl Chloride) resin, the adhesiveness of the binder is increased, the mobility of the colloid is enhanced and the adhesive property of the product is further enhanced.

The invention discloses an apparatus and method of producing a sounding balloon by an impregnation method. The apparatus comprises an inward-compressible inflatable balloon body and a balloon handle connected with the same; the balloon handle is internally provided with a gas passage; one end of the gas passage is communicated with an inner chamber of the inward-compressible inflatable balloon body, and the other end thereof is connected with an inflating-deflating assembly for inflating and deflating the inward-compressible inflatable balloon body. The method includes the steps: inflating the inward-compressible inflatable balloon body under stable pressure, performing coagulant impregnating, glue impregnating and hot water impregnating sequentially according to a production process of the impregnating method to obtain the sounding balloon, performing deflating and demolding, and washing the inward-compressible inflatable balloon body and the balloon handle. The apparatus and the method have the advantages such as simple structure, ease of manufacturing, low cost and applicability for the production of large-body small-handle sounding balloons.

The invention relates to the technical field of irradiation synthesis of medical instrument physiotherapy patch flaky materials, in particular to a method for preparing a far infrared physiotherapy patch through irradiation foaming. The preparation method of the far infrared physiotherapy patch comprises the following steps: S1, mixing a plastic raw material, a foaming agent, an auxiliary agent and ceramic powder, and putting the mixture into an internal mixer to be mixed into homogeneous rubber balls; S2, plastifying and rolling the rubber balls in the step S1 on an open mill, adding zinc oxide, and enabling the rubber balls to be subjected to uniform open milling through a triangular bag making process to form sheets; S3, performing ray irradiation on the sheet in the S2 through an electron accelerator to obtain a cross-linked sheet; S4, heating the cross-linked sheet obtained in the step S3 into a foamed sheet through a press vulcanizer; S5, coating the single face of the foamed sheet in the S4 with a pressure-sensitive adhesive and covered with a release film, and forming a self-adhesive sheet; and S6, cutting the self-adhesive sheet prepared in the step S5 into the foamed self-adhesive far-infrared physiotherapy patch with a fixed shape. The foaming material has the beneficial effects that a process guarantee is provided for material foaming, the softness and elasticity are good, and the bonding strength is high.