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

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 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 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 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 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 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.