30results about How to "Guaranteed oxidation" patented technology

The invention belongs to the technical field of grinding media, and particularly provides a wear-resistant zirconium-aluminum composite ball and a preparation method thereof. The wear-resistant zirconium-aluminum composite ball is composed of the following components in parts by weight: 20-30 parts of aluminum hydroxide ball, 4-6 parts of kaolin, 1-2 parts of calcined talcum, 45-50 parts of waste ceramic roller, 2-3 parts of dolomite, 1-2 parts of barium carbonate, 10-20 parts of aluminum oxide powder, 0.1-0.2 part of adhesive, 0.1-0.2 part of dispersant, 2-3 parts of zirconium oxide and 0.1-0.2 part of citric acid. The invention also provides a preparation technique of the wear-resistant zirconium-aluminum composite ball. The prepared wear-resistant zirconium-aluminum composite ball has the advantages of high density, high wear resistance and stable chemical properties.

Production of lithium-ion battery positive active substance ferro-lithium phosphate is carried out by mixing polymer, phosphate-source compound with ferro-source compound and lithium-source compound in solution, sintering to obtain the mixed solution, removing solvent to obtain the gel and sintering. It's simple and convenient, the battery has excellent discharge capacity and circulation performance, and the ferro-lithium phosphate is solid, homogeneous and has better conductivity.

The invention relates to an aquatic probiotic agent. The aquatic probiotic agent comprises rhodopseudomonas palustris HEW-GJ106 which is collected in CGMCC (China General Microbiological Culture Collection Center) with the collection number of CGMCC NO.17021. The aquatic probiotic agent also comprises one or more of enterococcus faecalis, lactobacillus plantarum, pediococcus acidilactici, bacillussubtilis or saccharomyces cerevisiae. The invention also provides a preparation method and an application of the aquatic probiotic agent. The probiotic agent can improve the utilization efficiency ofaquatic animals, the cost is saved, the steady state of the internal environment of digestive tracts in animal bodies is greatly improved, nutrition absorption and utilization are promoted, animal growth is promoted, and the production performance, the immunity performance and the stress resistance of animals are notably improved.

A process for preparing antimony from the slurry of Sb-contained sulfide ore features that the said slurry is electrolyzed in the hydrochloric acid-ammonium chloride medium to produce the metal antimony plate under the conditions that the concentration of hydrochloric acid in slurry is 15-40 g / L, the concentration of ammonium chloride in it is 150-250 g / L, the concentration of Sb in it is 10-50 g / L, the temp. is from ordinary temp of 70 deg.C and current density of cathode is 150-200 A / sq.m. Its advantages are short flow path, one-step production of Sb plate, high metal recovery rate, and selective extraction of Sb.

The invention relates to the field of environmental protection and discloses a three-cycle desulphurization method for wet type ammonia-process desulphurization. The desulphurization method is implemented with a first slurry circulating loop, a second slurry circulating loop and a third slurry circulating loop, wherein in the first slurry circulating loop, slurry having mass concentration of 10%-20% and a pH value of 4.0-5.0 is used for carrying out cycle spraying treatment on flue gas, and the temperature of the flue gas treated by the slurry is 50-60 DEG C; in the second slurry circulating loop, slurry having mass concentration of 10%-15% and a pH value of 5.0-6.0 is used for carrying out cycle spraying treatment on the flue gas; and in the third slurry circulating loop, slurry having mass concentration of 3%-10% is used for carrying out cycle spraying treatment on the flue gas. The invention also discloses a flue gas desulfurization tower or system using the three-cycle desulphurization method. According to the three-cycle desulphurization method, the three independent circulating loops are divided according to the concentration of the slurry, the circulating loops separately control the slurry having different concentrations and pH values for treatment of the flue gas, and the contradiction of high desulphurization efficiency and high oxygenation efficiency of by-products is solved.

The invention relates to a loop heat pipe evaporator assembling tool and an assembling method mainly used for assembling an evaporator in a loop heat pipe and belongs to the technical field of two phase heat transmission of a loop heat pipe. According to the invention, on one hand, interference fit between a capillary core and a metal outer shell is realized, the situation that the capillary core does not crack after being mounted in the metal outer shell is ensured, the hot charging success rate is high, small-scale production can be met, the production cost is reduced, and the production efficiency is improved; and on the other hand, the surface of the capillary core is not scratched, powder does not fall off the surface of the capillary core, the product surface is free of oxidation and pollution, and the service life and the reliability of the product are prolonged and improved.

The invention discloses a welding method of stainless steel plates. The method comprises the steps of cleaning areas, to be welded, of stainless steel plates; pairing the cleaned stainless steel plates, adhering the stainless steel plates to the inner surface of a steel pipe by using annular support tools, coiling the stainless steel plates along with the inner surface of the steel pipe to form a lining, pairing junctions among the stainless steel plates by using overlapping joints; positioning and welding the overlapping joints of the paired stainless steel plates, and then welding by using a skip welding process; connecting edges of the stainless steel plates which are formed as the lining on the inner surface of the steel pipe to the end of the steel pipe by using edge joints, and positioning and welding the edge joints, and then welding by using the skip welding process; and stopping arc of each section of welding line, and stopping arc by using a method of breaking arc and stopping arc. The method is simple to operate and capable of ensuring that the welding quality of the stainless steel plates of flue gas desulphurization devices in chemical industry, improving corrosion resistance in acid medium and prolonging service life of equipment.

The invention relates to the technical field of film coating, in particular to a method for rapidly preparing a colorful titanium oxide thin film on the surface of substrate material. The method comprises the following steps: at first, a layer of titanium film is sprayed on the surface of the substrate material through the magnetron sputtering technology, then, the substrate material is put into an electrolytic cell which has been set up, the electrolytic cell is filled with electrolyte, the to-be-coated substrate material is put on the cathode, and a stainless steel plate is hung on the anode. Generation and color of the titanium oxide thin film are controlled through changing the voltage of the electrolytic cell, so that the titanium film on the surface of the substrate material generates oxidizing reaction to generate a layer of colorful titanium oxide thin film to protect the titanium film. The electrolyte can be recycled and meets the requirements of environmental protection and industrial production; and in addition, the generated titanium oxide thin film can alleviate abrasion, scratch and contact corrosion of titanium, so that the problems about maintenance and abrasion during the using process of titanium are solved. With adoption of the method, the titanium oxide thin film can be rapidly prepared on the surface of common substrate material, and in addition, the colorof the titanium oxide thin film is easy to control and uniform. The thickness of the titanium oxide thin film prepared through the method is slightly influenced by the material shape.

The invention discloses a welding method of stainless steel plates. The method comprises the steps of cleaning areas, to be welded, of stainless steel plates; pairing the cleaned stainless steel plates, adhering the stainless steel plates to the inner surface of a steel pipe by using pressing blocks, coiling the stainless steel plates along with the inner surface of the steel pipe to form a lining, pairing junctions among the stainless steel plates by using overlapping joints; positioning and welding the overlapping joints of the paired stainless steel plates, and then welding by using a skip welding process; connecting edges of the stainless steel plates which are formed as the lining on the inner surface of the steel pipe to the end of the steel pipe by using edge joints, and positioning and welding the edge joints, and then welding by using the skip welding process; and stopping arc of each section of welding line, and stopping arc by a method of breaking arc and stopping arc repeatedly. The method is simple to operate and capable of ensuring that the welding quality of the stainless steel plates of flue gas desulphurization devices in chemical industry, improving corrosion resistance in acid medium and prolonging service life of equipment.

The invention belongs to the technical field of animal husbandry and veterinary medicine, and discloses a vitamin C sodium chloride injection as well as a preparation method and application thereof. Raw materials for preparing effective components of the injection include vitamin C, sodium chloride, sodium bicarbonate, an antioxidant, a complexing agent and water. The method comprises the following steps: introducing carbon dioxide into the water until saturation, sequentially adding the antioxidant, the complexing agent, the vitamin C, the sodium bicarbonate and the sodium chloride, performing dissolving, adjusting the pH value, fixing the volume, and performing filtering. The injection is used for treating / relieving animal scurvy. Through a large number of experiments, the vitamin C sodium chloride injection with a proper medicinal dosage applied to animals is obtained. The saturated carbon dioxide is introduced, and a certain amount of sodium bicarbonate is added, so that the pH value is kept stable, the vitamin C is effectively prevented from being oxidized, and the problem of maintaining proper doses of vitamin C and sodium chloride in the injection is solved. The injection issuitable for injection of animals suffering from scurvy.

The invention discloses an incinerator. The incinerator comprises a primary combustion chamber and a secondary combustion chamber, wherein the primary combustion chamber is provided with a feeding port and a primary combustion air inlet, the secondary combustion chamber is provided with a secondary combustion air inlet, and the primary combustion chamber is communicated with the secondary combustion chamber. Through the incinerator, industrial refuse can be combusted completely, and the content of harmful substances in smoke exhausted after combustion is low; it can be guaranteed that metal or other incombustible substances which need to be recycled are oxidized or lose original performance due to excessively high temperature incineration; besides, heat generated by combustion is used sufficiently, no blast apparatus is needed, no or few combustion improvers are used, and therefore the structure of the incinerator is simplified, and use and maintenance cost is lowered; meanwhile, the requirement for combustion of different kinds of refuse can be met by controlling temperatures in the two combustion chambers.

The invention discloses a curtain wall steel structure mounting method. The method includes steps: S1, subjecting a steel material to rust removal and application of high-temperature combustion paint; S2, subjecting the steel material to hot-dip galvanization; S3, determining a steel structure mounting position on the outer surface of a building structure; S4, mounting a buried plate, removing an anti-rust coating on the buried plate, and coating with the high-temperature combustion paint; S5, drawing steel material fixing points on the buried plate; S6, drawing a contact profile on the buried plate after the steel material and the buried plate are fixed; S7, hoisting the steel material to the buried plate; S8, making welding portions of the steel material to be welded to the buried plate; S9, removing a hot-dip galvanized coating at the steel material welding portions, and applying the high-temperature combustion paint; S10, using hoisting equipment for hoisting the steel material to the buried plate; S11, heating the high-temperature combustion paint on the buried plate and the steel material; S12, welding the buried plate and the steel material; S13, adopting anti-rust paint for anti-rust treatment. By adoption of the high-temperature combustion paint for anti-rust treatment of the buried plate and the steel material exposed in a mounting process, steel structure rusting probability is decreased.

The invention relates to the technical field of film coating, in particular to a method for rapidly preparing a colorful titanium oxide thin film on the surface of substrate material. The method comprises the following steps: at first, a layer of titanium film is sprayed on the surface of the substrate material through the magnetron sputtering technology, then, the substrate material is put into an electrolytic cell which has been set up, the electrolytic cell is filled with electrolyte, the to-be-coated substrate material is put on the cathode, and a stainless steel plate is hung on the anode. Generation and color of the titanium oxide thin film are controlled through changing the voltage of the electrolytic cell, so that the titanium film on the surface of the substrate material generates oxidizing reaction to generate a layer of colorful titanium oxide thin film to protect the titanium film. The electrolyte can be recycled and meets the requirements of environmental protection and industrial production; and in addition, the generated titanium oxide thin film can alleviate abrasion, scratch and contact corrosion of titanium, so that the problems about maintenance and abrasion during the using process of titanium are solved. With adoption of the method, the titanium oxide thin film can be rapidly prepared on the surface of common substrate material, and in addition, the colorof the titanium oxide thin film is easy to control and uniform. The thickness of the titanium oxide thin film prepared through the method is slightly influenced by the material shape.

Production of lithium-ion battery positive active substance ferro-lithium phosphate is carried out by mixing polymer, phosphate-source compound with ferro-source compound and lithium-source compound in solution, sintering to obtain the mixed solution, removing solvent to obtain the gel and sintering. It's simple and convenient, the battery has excellent discharge capacity and circulation performance, and the ferro-lithium phosphate is solid, homogeneous and has better conductivity.

The invention discloses a method for preparing a nitride fluorescent powder by a high-temperature solid-phase method, and production equipment used for the method. The method comprises the following steps of: (1) detaching raw materials in an oxygen-free and water-free glove box, and mixing the raw materials in a mixing device arranged in the glove box; (2) transferring the mixed raw materials to a reduction furnace via a transition device under nitrogen protection, and solving the problems of other backflows and isolated heat transfer via a transition cabin; (3) calcining at a high temperature in a nitrogen / hydrogen atmosphere by adopting a subsection temperature control method in which three parts, a preheating area, a high-temperature area and a cooling area are formed; and (4) performing aftertreatment on the cooled sample in room-temperature air. By using the method and the equipment, the high-purity nitride fluorescent powder can be manufactured, and the central granularity of the fluorescent powder and the position of an emitting main peak can be controlled by adjusting the calcining temperature and the composition ratio of the raw materials respectively; and with the adoption of three-section calcining, preparation for the nitride fluorescent powder by the method can realize continuous production, thus greatly increasing production efficiency. The method is energy-saving, environment-friendly, and suitable for mass preparation for the nitride fluorescent powder.

The invention discloses an integrated seawater wet hair desulfurization washing tower for ships, which includes a tower body, an air intake mechanism, a washing mechanism and a discharge mechanism. A liquid inlet pipe is arranged on the outer surface of one side of the tower body. The side of one side of the liquid inlet pipe is provided with several liquid guiding pipes, and the air inlet mechanism is arranged on the tower body, and the air inlet mechanism is composed of a first mounting plate, an air compressor, an air guide pipe, a mixing box, a spiral Composed of pipes, intake pipes and connecting pipes. The invention has a simple structure, and the waste gas can be uniformly and fully mixed with the imported oxygen to ensure that all CaSO3 is oxidized to CaSO4 (gypsum) and improve the subsequent washing effect. In full contact with the slurry, the desulfurization efficiency and the utilization rate of the slurry absorbent are higher, avoiding the generation of more wastewater and increasing the subsequent treatment costs, and at the same time, with the rotation during the mixing and stirring process, the precipitate of CaSO4 crystallization can be scraped out to prevent damage to the device Internal blockage.

The invention discloses test paper for detecting tea polyphenol quickly and a preparation method of the test paper. The test paper for detection comprises a paper base material and a detection layer, wherein the detection layer sequentially comprises a ferrous ammonium citrate or ferrous tartrate reaction layer, a carbon dioxide gas protection layer and a chitosan outer membrane layer from inside to outside. The preparation method comprises steps as follows: the paper base material is soaked in a sodium alginate solution of ferrous ammonium citrate or a sodium alginate solution of ferrous tartrate, subjected to freeze-drying, soaked in a sodium bicarbonate aqueous solution and taken out before ferrous ammonium citrate or ferrous tartrate on the paper base material is dispersed, the surface of the paper base material is covered with a layer of chitosan, the paper base material is subjected to rolling pressing under the pressure ranging from 2,000 Pa to 3,000 Pa and dried in nitrogen, and the test paper is prepared. The test paper for detection can allow users to quickly and sensitively detect the content of tea polyphenol in a semi-quantitative product with naked eyes, the detection result has higher accuracy and sensitivity, and the test paper can help consumers to judge the quality of products correctly when the consumers purchase the products containing tea polyphenol.

The invention discloses a welding method of stainless steel plates. The method comprises the steps of cleaning areas, to be welded, of stainless steel plates; pairing the cleaned stainless steel plates, adhering the stainless steel plates to the inner surface of a steel pipe by using annular support tools, coiling the stainless steel plates along with the inner surface of the steel pipe to form a lining, pairing junctions among the stainless steel plates by using overlapping joints; positioning and welding the overlapping joints of the paired stainless steel plates, and then welding by using a skip welding process; connecting edges of the stainless steel plates which are formed as the lining on the inner surface of the steel pipe to the end of the steel pipe by using edge joints, and positioning and welding the edge joints, and then welding by using the skip welding process; and stopping arc of each section of welding line, and stopping arc by using a method of breaking arc and stopping arc. The method is simple to operate and capable of ensuring that the welding quality of the stainless steel plates of flue gas desulphurization devices in chemical industry, improving corrosion resistance in acid medium and prolonging service life of equipment.

The invention provides a magnesium / copper alloy composite material and a preparation process thereof. The preparation process comprises the following steps of S1, material preparation, specifically, cleaning the surfaces of to-be-compounded magnesium alloy, copper and auxiliary materials to ensure that the surfaces of the materials are free of impurities such as oxides, oil stains and the like; S2, simply combining the materials obtained in the step S1; S3, preheating in a resistance furnace; S4, enabling the material preheated in the step S3 to be subjected to primary hot rolling compounding; S5, carrying out hot rolling on the composite material obtained in the step S4 for multiple times until rolling the composite material to a required thickness; and S6, performing thermal diffusion annealing treatment on the composite material obtained in the step S5. According to the magnesium / copper composite material and the preparation process thereof, through the hot rolling compounding, the magnesium / copper alloy composite material with good combination is prepared, and the urgent requirements of products for light weight and heat conduction and heat dissipation performance can be met.

The invention relates to a method for smelting stainless steel by a top-blown converter process, comprising the following steps: 1) requirements on molten iron: wherein in the molten iron, the weightpercent of Si is 0.25-0.55%, and the weight percent of P is smaller than or equal to 0. 07%, and the weight percent of S is smaller than or equal to 0. 002% in the molten iron after desulfurization; 2) a duplex process adopted by converter smelting, wherein the control on the smelting process of a dephosphorization furnace is as follows: a, a charging system; b, an oxygen supply system; and c, semi-steel tapping; and the control on the smelting process of a decarbonization furnace: a, a charging system; b, an oxygen supply system; and c, end point tapping; and 3) converter alloying and steel tapping. The method can realize stainless steel production through the traditional top-blown converter process, greatly shortens the stainless steel production flow and reduces the stainless steel production cost; the production process equipment is simple and easy to control, and the loss of refractory material is greatly reduced because the highest smelting temperature is less than 1720 DEG C.

The invention provides a solar water quality improving machine. The solar water quality improving machine comprises a solar power assembly, a bottom layer flocculent sludge absorption and discharge assembly, floaters, and a moving and controlling assembly, wherein the floaters are respectively used for bearing the solar power assembly and the bottom layer flocculent sludge absorption and discharge assembly; and the two floaters are integrally connected into a whole through a connection rod. According to the solar water quality improving machine provided by the invention, the solar power assembly, the bottom layer flocculent sludge absorption and discharge assembly and the like are assembled together by using solar photovoltaic power; flocculent bottom mud at a bottom layer of a water body is absorbed and discharged to a surface layer of the water body by using the solar photovoltaic power; the discharge amount of flocculent sludge at the bottom layer is controlled by using the illumination as a condition index, so that the sedimentation of the bottom mud of the water body is reduced; organics decomposition and nutrient release in the sludge can be promoted; the nutrient balance of the water body is adjusted; the water quality is improved; the sedimentation pollution is reduced; and the level of productive capacity of the water body is improved.

The invention belongs to the technical field of spent fuel post-treatment of plutonium tail ends, and particularly relates to a method for rapidly oxidizing oxalic acid. Nitrous acid is produced in a manner of quantitatively introducing nitrogen oxide into feed liquid. The characteristic that the oxidation power of nitrous acid in a dilute solution is stronger than that of nitric acid is utilized, oxidation of oxalic acid is accelerated, the addition of potassium permanganate and high-temperature heat preservation conditions are not changed, and the original catalytic action of divalent manganese is still kept on the premise that the introduction amount of metal ions is not increased, so that the reaction rate is maximized. Various parameters are determined through a control variable method experiment, and the parameters should meet engineering application requirements. In consideration of adaptability of engineering application of a post-treatment plant, existing parameters are adopted: the flow rate of nitrogen oxide is 3.325-3.675 L / h. The parameters are matched with the actual working conditions of the on-site nitrogen oxide device and the acid adding and seasoning operation. The target of shortening the reaction time to one third of the original reaction time is achieved, and the introduction amount of metal ions is not increased on the basis of the original design.

The invention discloses a formation method of a MOS transistor. The method comprises the following steps: providing a silicon substrate; forming multiple split shallow trenches in the silicon substrate, the region between adjacent shallow trenches being an active region; after the shallow trenches are formed, carrying out silicon ion implantation on the silicon substrate until a silicon-enriched layer at least disposed at the corners of the shallow trenches is formed; after the silicon ion implantation, filling the shallow trenches by use of an insulation material to form a shallow trench isolation structure; forming a gate medium layer on the silicon substrate of the active region; and forming a grid electrode on the gate medium layer. By using the formation method of the MOS transistor, the reliability of the formed MOS transistor can be improved.

The invention discloses an electromagnetic fluid reaction device comprising an electromagnetic generator and a multi-stage reactor arranged in an electromagnetic reaction cavity, wherein the electromagnetic generator transmits electromagnetic waves to the electromagnetic reaction cavity to generate an electromagnetic field so that the electromagnetic field acts on a fluid passing through the multi-stage reactor; the multi-stage reactor comprises more than one fluidized bed body sequentially connected end to end, a feed port is arranged on the first fluidized bed body, a discharge port is correspondingly arranged on the final fluidized bed body, the fluidized bed bodies are connected with medicament ports, and the inner part of each fluidized bed body is loaded with a solid fluidized medium. The invention can promote the oxidation, reduction and decomposition reaction of the fluid, which specifically comprises the following steps of: continuously adding electromagnetic energy in the fluid, enabling the matter molecules of the fluid to continuously generate partial and instant high temperature and high voltage through the solid fluidized medium, and then promoting the oxidation, reduction and decomposition reaction of the fluid through the fluidized bed bodies so as to achieve the purposes of reducing cost and improving efficiency. The invention has wide market prospects in the field of environmental protection.

This invention relates to a processing method for chip diodes, which carries out oil-removing, cleaning and drying chip tube cores and upper and lower leading pin strips, puts the lower leading pin strip into a graphite mould and squeezes the paste solder onto the connection place of the pins, puts the chip tube cores on the solder of the lower leading pin strip, then, puts the upper leading pin strip on the core to close the cover, then puts the graphite into an electric oven to be heated to 350-600deg.C in 20-35min to melt the solder to be lowered to 300+-10deg.C to keep it for 10-15min then to be cooled slowly to the room temperature for 20-25min to take out the mould, puts the pin strips with chip tube cores in the mould to be injected with insulation resin to be sealed and divides the corner cut into chip diodes, bends, then plates and tests the leading pins to be packed.

The invention discloses an integrated marine seawater wet desulphurization washing tower which comprises a tower body, a gas inlet mechanism, a washing mechanism and a discharge mechanism, a liquid inlet pipe is arranged on the outer side surface of one side of the tower body, a plurality of liquid guide pipes are arranged on the side surface of one side of the liquid inlet pipe, the gas inlet mechanism is arranged on the tower body, the gas inlet mechanism is composed of a first mounting plate, an air compressor, an air guide pipe, a mixing box, a spiral pipe, an air inlet pipe and a connecting pipe. The tower is simple in structure, waste gas can be uniformly and fully mixed with introduced oxygen, CaSO3 is ensured to be oxidized into CaSO4 (gypsum), the subsequent washing effect is improved, during washing, slurry is subjected to quantitative multi-stage washing and is matched with mixing and stirring, so that mixed gas is fully contacted with the slurry, the desulfurization efficiency and the slurry absorbent utilization rate are higher, and subsequent treatment cost is prevented from being increased due to generation of more wastewater; meanwhile, through cooperation with rotation in the mixing and stirring process, precipitates separated out by CaSO4 crystallization can be scraped out, and blockage in the device is prevented.