71results about How to "Increase precipitation speed" patented technology

The invention provides a boiler coal combustion-improving desulfurizing and denitrifying agent composition. The composition comprises the following raw materials in parts by weight: 2-7 parts of sodium carbonate, 1-3 parts of alumina, 2-8 parts of aluminium hydroxide, 2-5 parts of ferric trichloride, 2-6 parts of ferric oxide, 3-10 parts of potassium permanganate, 3-10 parts of potassium chlorate, 10-35 parts of activated attapulgite clay, 15-30 parts of urea, 2-4 parts of ammonium formate, 2-4 parts of ammonium chloride, 6-23 parts of ammonium acetate, 3-9 parts of manganese oxide, 9-12 parts of copper chloride, 1-3 parts of copper oxide, 2-4 parts of zinc sulfate, 1-3 parts of zinc nitrate, 7-18 parts of potassium dichromate, 1.0-1.5 parts of titanium dioxide, 0.5-1.0 part of barium molybdate, 0.5-1.5 parts of cobalt sulfate, 0.5-1.5 parts of vanadium pentoxide, 0.3-0.7 part of cerium oxide, 0.1-0.2 part of sodium dodecyl benzene sulfonate and 0.1-0.2 part of alkyl glyceryl ether. The composition is convenient to use, has stable properties, plays roles of combustion improving, desulfurization and denitrification, has coal saving rate of 8-25% and can remove fixed sulfur by 50-70%.

A method and a system for transporting a flow of fluid hydrocarbons containing wax and/or asphaltenes or any other precipitating solids through a treatment and transportation system including a pipeline are disclosed. The flow of fluid hydrocarbons is introduced into a reactor (4), where it is mixed with another fluid flow having a temperature below a crystallization temperature for the wax and/or asphaltenes or other solids and containing particles or crystals acting as nucleating and/or growth cores for the wax and/or asphaltenes or other solids, the mixing temperature providing precipitation of the wax and/or asphaltenes or other solids from the flow of fluid hydrocarbons, and the effluent flow of hydrocarbons and particles is conveyed from the reactor (4) to a pipeline (6) for transportation.

The invention provides an acid etching liquid regenerative cycle method. The method comprises the steps of collection of acid etching liquid, filtration and mixing of the acid etching liquid, ultrasonic-assisted electrolysis, copper sheet decomposition, anolyte cycle using and the like. According to the acid etching liquid regenerative cycle method, ultrasonic catalyzed electrolysis is adopted, the concentration of the acid etching electrolyte, the electrolytic current density and electrolytic temperature are precisely adjusted and controlled, copper ions in the acid etching liquid can be converted to be copper sheets with the purity reaching up to 99%, the separation-out speed of the copper ions is greatly improved, production efficiency is improved, and meanwhile production energy consumption is lowered. The invention further provides an acid etching liquid regenerative cycle system matched with the acid etching liquid regenerative cycle method. The ultrasonic technology is combined with the ion film technology, the copper ion separation-out speed can be increased, the copper ion separation-out purity can be further improved, and the high-purity copper sheets with the purity being 99.8% or above can be obtained.

The invention relates to swirl-flow burner. The first, second, and third truncated cone shape separating rings are orderly set at the middle of the burner primary flue in which the backward V shape separator is fixed at the right of the third truncated cone shape separating ring. The invention can greatly reduce initiation energy, satisfy the demands of start stop, and under load stable combustion for boiler, prolong coal dust residence time, control NOx production, form fractional combustion to combine with center feeding, realize NOx low discharge owing to secondary draft is divided into inner and outer two parts.

The invention relates to the technical field of mirrors, and particularly discloses an anti-corrosion glass silver mirror and a production process thereof. The process comprises the following steps: polishing and cleaning the surface of glass; carrying out sensitization for the first time; plating palladium; then carrying out pretreatment; carrying out sensitization for the second time; performingsilver plating for the first time; performing silver plating for the second time; carrying out first passivation; carrying out secondary passivation; preheating; spraying paint for the first time; baking for the first time; spraying paint for the second time; carrying out secondary baking; cooling the surface of the glass to room temperature; cleaning the cooled surface of the glass; and air-drying the surface of the glass after cleaning. According to the production process, the binding power between a silver coating and the glass can be improved, so that the occurrence of edge corrosion is reduced, and the service lifetime of the glass silver mirror is prolonged.

The invention discloses a method for recycling cadmium from metallurgical cadmium-contained dust and a device for recycling cadmium from a cadmium-ammonia solution. The metallurgical cadmium-containeddust is subject to ammoniacal circular leaching, when the lead/cadmium molar ratio in the solution is smaller than 0.01, the circular leaching process is ended; after leaching is finished, liquid solution separation is carried out, and the cadmium-ammonia solution is obtained; the proper amount of vulcanizing agent is added to enable impurity ions in the cadmium-ammonia solution to be subject tovulcanization precipitation separation. After impurity removal, liquid is placed in an ultrasonic enhancing electric strengthening replacement cadmium extraction key device to be subject to efficientcadmium extraction, and high-grade sponge cadmium and zinc-ammonia solution can be obtained. The sponge cadmium can be directly used for briquetting distillation or fusion casting-electrolytic refining to obtain high-purity cadmium. The zinc- ammonia solution can be directly turned into an electric zinc system to produce electric zinc.

The invention relates to a method for synthesizing copper-based perovskite powder by a low-temperature solvent method. The method comprises the following steps: adding CsX and CuX into a polar organicmixed solution, and stirring for 4-6 hours at 40-70 DEG C, wherein the polar organic mixed solution is a mixed solution of N, N-dimethylformamide (DMF)and dimethyl sulfoxide (DMSO), the CsX is cesiumchloride, cesium bromide or cesium iodide, and the CuX is copper chloride, copper bromide or copper iodide. According to the synthesis process, constant-temperature growth on a hot plate is not needed, synthesis is directly conducted on a magnetic stirrer, the synthesis process has the advantages of being short in manufacturing period, low in cost, simple in growth step, environmentally friendlyand the like, and Cs3Cu2X5 powder with high crystallization quality is separated out within 5 hours.

The invention discloses an aging strengthening heat treatment method for nickel-based alloy GH4169. The method comprises full solution treatment and a two-stage aging treatment process. A nickel-basedalloy GH4169 material is subjected to the full solution treatment by preserving the heat for 1 to 3 hours at 980 to 1,070 DEG C; the two-stage aging treatment process comprises first-stage aging treatment, namely, rising the temperature of the nickel-based alloy GH4169 material to 730 to 780 DEG C at the speed of 150 to 200 DEG C/h and preserving the heat for 12 to 18 hours; and second-stage aging treatment, namely, cooling the nickel-based alloy GH4169 material to 630 to 680 DEG C at the speed of 55 DEG C/h and preserving the heat for 18 to 25 hours, discharging the nickel-based alloy GH4169material out of a furnace, and performing air-cooling to room temperature. According to the aging strengthening heat treatment method for the nickel-based alloy GH4169, the tensile strength and yieldstrength of the nickel-based alloy GH4169 at room temperature can be remarkably improved; the hardness at the room temperature is obviously improved; the comprehensive performance of the material isobviously improved; and the service life of the material is obviously prolonged.

Molding material mixture, molded part for foundry purposes and process of producing a molded part. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.

The invention discloses a method for reducing the concentration of lead ions in a lead electrolyte. The method is applied in an electrolytic refining process of lead and comprises the following steps: (1) casting by virtue of a vertical die to obtain anode plates of which sizes are 1210*810*27mm and preparing cathode starting sheets of which sizes are 1370*840*(0.85+/-0.05) mm by virtue of a cathode sheet processing machine; (2) arranging pitches between the newly manufactured cathode starting sheets and the anode plates by virtue of an automatic pitch arranging machine, loading into a tank, switching the direct current on and electrolyzing for 3.5-4 days; and (3) taking the cathodes out, reloading the newly manufactured cathode starting sheets, continuously electrolyzing for 3.5-4 days and taking the cathodes and residual anodes out so that an electrolytic period is completed. The method disclosed by the invention has the characteristics that the effect of reducing the concentration of lead ions in a lead electrolyte is obvious and economic and technical indexes such as the current efficiency, the rate of residual anodes and energy consumption are significantly improved, and is economical, environmentally friendly and strong in operability.

The invention discloses an advanced double-modification method for austenitic manganese steel. The method comprises the following steps that: after ferromanganese is added to molten steel for the fine adjustment of manganese content, Re-containing rare earth alloy accounting for 0.067-0.081 percent of the weight of the molten steel and vanadium slag accounting for 2.0-2.5 percent of the weight of the molten steel are orderly added to a molten pool; aluminum accounting for 0.15-0.20 percent of the weight of the molten steel is added in before the tapping of the molten steel; calcium silicon accounting for 0.04-0.06 percent of the weight of the molten steel, Re-containing rare earth alloy accounting for 0.133-0.169 percent of the weight of the molten steel, ferrotitanium accounting for 0.02-0.03 percent of the weight of the molten steel, as well as zinc accounting for 0.006-0.008 percent of the weight of the molten steel are added to a steel ladle outside a furnace. The comprehensive mechanical property and wear resistance of austenitic manganese steel are improved through double modification.

The present invention relates to gallium nitrate preparing process. The preparation process includes: dissolving 6N metal gallium in high purity nitric acid at 50-80 deg.c, evaporating the solution at 80-100 deg.c until no bad smell of nitric acid, cooling the solution to -20 deg.c to 0 deg.c, adding gallium nitrate crystal seed into the solution with the weight ratio between the added gallium nitrate crystal seed and gallium nitrate inside the solution being 0.01-0.1, separating crystal, filtering to separate gallium nitrate crystal hydrate, and air drying to obtain gallium nitrate crystal. Owing to the controlled acid dissolving and separation, the process has shortened acid dissolving time and crystal separating time, effectively raised production efficiency, simple operation and easy embodiment. Owing to the high purity of the material, the product has high purity up to 4N.

The invention discloses a cerium-doped iron hydroxide modifying foam titanium material and a preparing method thereof. A three-electrode system is formed with a foam titanium plate serving as a working electrode, a platinum sheet serving as a counter electrode and a saturated calomel electrode serving as a reference electrode. An aqueous solution containing ferric chloride, cerium chloride, sodiumsulfate, polyvinylpyrrolidone and hydrogen peroxide serves as an electrolyte solution, cyclic voltammetry is adopted for cyclic circle sweeping, and then a working electrode is taken out, washed anddried to obtain the cerium-doped iron hydroxide modifying foam titanium material. The invention further discloses application of the cerium-doped iron hydroxide modifying foam titanium material in water treatment. According to the cerium-doped iron hydroxide modifying foam titanium material and the preparing method and application thereof, porous foam titanium serves as a matrix, cerium-doped ironhydroxide modifies the surface, and the applicability and activity of iron hydroxide are improved; the cerium-doped iron hydroxide modifying foam titanium material has high porosity and adsorption and oxidation capacity, can serve as adsorbing filler, filter elements or electrodes to be applied to water treatment, secondary pollution to the treated water cannot be caused, and the preparing process has high controllability and stability.

The invention discloses a rapid gas-liquid separation device for separating gas from a liquid. At least one gas-liquid separation core is soaked in the liquid, and each gas-liquid separation core is of a net barrel type or spring type structure and is covered with a superhydrophobic material coating on the surface. Each gas-liquid separation core adopts an independent structure, and a gas-liquid separation core array can be formed by combining gas-liquid separation cores through connecting pipelines. By means of the superhydrophobic characteristic of the superhydrophobic material, a solid-gas-liquid three-phase interface is formed on the peripheral wall of each net barrel type or spring type gas-liquid separation core, gas is gathered in each gas-liquid separation core, the liquid is isolated outside each gas-liquid separation core, peripheral gas is rapidly separated from the liquid when making contact with the surface of each gas-liquid separation core, and the gas-liquid separationefficiency of gas in the liquid is improved.

The invention provides a traditional Chinese medicine composition for treating orthopedic diseases, which is prepared from the following ingredients in parts by weight: 65 to 105 parts of snakes, 10 to 15 parts of scorpions, 50 to 80 parts of polygonum cuspidatum roots, 20 to 40 parts of bock greenbrier rhizomes, 20 to 30 parts of berba aristolochiae mollissimae, 20 to 30 parts of Chinese ardisia roots, 30 to 50 parts of creeper creeper roots, 20 to 30 parts of geranium wilfordii, 20 to 30 parts of manyprickle acanthopanax roots, 20 to 30 parts of aralia decaisneana, 30 to 50 parts of asiatic toddalia roots, 30 to 40 parts of vernonia gratifolia, 40 to 50 parts of caulis spatholobi, 20 to 30 parts of sarcandra glabra, 30-40 parts of alangium platanifolium, 30-50 parts of rhizoma drynariae, 40-50 parts of obscured homalomena rhizome, 30-40 parts of philippine flemingia root, 5-10 parts of hippocampus, 100 parts of camphor and white spirit, can be used for remarkably relieving various orthopedic diseases of patients, and is short in treatment course, quick in effect taking and free from toxic and side effects; The invention further provides a traditional Chinese medicine liquor prepared from the traditional Chinese medicine composition and a preparation method thereof, the medicine effect can be exerted to the maximum extent, and the positive effect of treating various orthopedic diseases is improved; and the invention also discloses application of the traditional Chinese medicine composition in preparation of medicines for treating various orthopedic diseases.

The invention relates to a tilting charge and discharge type reducing furnace and a reducing method thereof. The reducing furnace comprises a furnace body, a furnace tank and a furnace body tilting mechanism, wherein a combustion system is arranged in the furnace body for providing high temperature required for a reducing process; the reducing tank is arranged in the furnace body in a penetrating manner, and two ends thereof extend out of the furnace body, a charging hole is formed at one end of the reducing tank, and a dreg outlet is formed at the other end of the reducing tank; the furnace body tilting mechanism comprises a rotating shaft as a furnace body rotating and moving fulcrum and a lifting mechanism for driving the furnace body to rotate around the rotating shaft; and the rotating shaft is horizontally arranged; and the reducing tank at least can rotate between a horizontal position and an inclined position back and forth. The reducing tank of the tilting charge and discharge type reducing furnace is positioned in the horizontal position during the heating and reducing process and also positioned in the inclined position in a charging and dreg discharging process; and dregs can be automatically discharged by utilizing gravity, so that the production speed is improved, and the labor amount is reduced, thereby facilitating mechanical production.

The invention relates to a preparation process of degradable wear-resistant synthetic lubricating grease. The process uses a degradable wear-resistant synthetic lubricating grease preparation device. The degradable wear-resistant synthetic lubricating grease preparation device comprises a stirring barrel, supporting legs and a mixing mechanism, the supporting legs are installed on the lower end face of the stirring barrel, the supporting legs are evenly distributed in the circumferential direction of the stirring barrel, the lower ends of the supporting legs are connected to the existing ground, and the mixing mechanism is arranged inside the stirring barrel. According to the invention, degradable wear-resistant synthetic lubricating grease is prepared by adopting the design concept of multiple cleaning structures, and the arranged mixing mechanism has the cleaning effect of scraping an adhered wax layer on the basis of the function of mixing an oil product and a benzene solvent, so that the wax content of the subsequent prepared degreasing oil is reduced. Meanwhile, a structure capable of realizing multi-point uniform addition of the benzene solvent is arranged, and the structure can be used for improving the full mixing degree between the benzene solvent and a refined oil product, so that the precipitation speed and the precipitation amount of wax are both improved.