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40results about How to "Mature operation" patented technology

Machining technology method of swirler assembly

ActiveCN108161375AMature metallurgical processSimple metallurgical processAircraft componentsAviationCombustion chamber
The invention relates to the field of aero-engines and gas turbines, in particular to a machining technology method of a swirler assembly in an aero-engine combustion chamber. The swirler assembly iscomposed of a swirler sleeve and a swirler. The swirler sleeve and the swirler each adopt a forged piece as a raw material. The machining technology method of the swirler assembly comprises the stepsof (1) turning, (2) milling or electrosparking, (3) cleaning, (4) trial assembly, (5) positioned welding, (6) brazing filler metal prearrangement, (7) vacuum brazing, (8) pincers machining and (9) finish turning. The machining technology method is simple in operation; and the problems that in the prior art, after precision casting is adopted, a swirler assembly manufactured in a precision machining manner is high in production cost and long in period, the requirements for personnel and skills are high, metallurgical defects are hard to avoid, the size and quality of a casting are instable, therate of finished products is not high, and consequently the service life of a combustion chamber is shortened, and adverse effects are generated to the overall performance of an aero-engine are solved.
Owner:广汉天空动力机械有限责任公司

Environment-friendly septic tank

The invention belongs to an environment-friendly septic tank, which is mainly composed of a septic tank body, solar power generation equipment, an aeration pump, a sterilizer and a sludge settling barrel and is formed by improving an existing three-grid septic tank. According to the invention, after toilet excrement is treated by the environment-friendly septic tank, the quality of the dischargedwater reaches the first-grade A standard of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002); and the environment-friendly septic tank is simple in structure,low in price and convenient to install, belongs to miniature excrement water purification standard treatment equipment, and has advanced popularization significance for implementing excrement purification standard treatment of rural toilet revolution in China and treating sewage from rural sources.
Owner:周鼎力

Method for treating intestinal residue in production process of crude product heparin sodium

The invention relates to the technical field of heparin sodium production, and specifically relates to a method for treating intestinal residue in the production process of crude product heparin sodium. The method for treating the intestinal residue in the production process of crude product heparin sodium comprises the steps of dissolving, enzymolysis, adsorption, desorption, precipitation, and dehydration and drying. The method provided by the invention has the advantages of mature process, simple operation and obvious effect, therefore, the recovery rate of crude product heparin sodium is effectively increased and the economic benefits of a producer are improved; in the adsorption process, an adsorption solution formed after adsorption is directly spray-dried to obtain intestinal protein peptide powder which can be used for preparing feeds for young animals; in this way, the residual heparin in the intestinal residue is recovered, and the protein in the intestinal residue can also be effectively utilized; consequently, environmental pollution is avoided and the benefits are also increased.
Owner:南通天龙畜产品有限公司

Method for producing melted iron and aluminium oxide with high-iron bauxite

The invention provides a method for producing melted iron and aluminium oxide with high-iron bauxite and belongs to the metallurgical resource integrated technical field. The method mainly includes the steps that dehydrated and crushed high-iron bauxite powder, bituminous coal powder and metallurgical lime are mixed fully and evenly, heated and hot-pressed to form high-iron bauxite hot-pressed blocks; then metallization reduction is conducted in a rotary hearth furnace; reduction products and metallurgical lime are added to an electric furnace, fusion separation is conducted to obtain the melted iron and calcium aluminate furnace slag; the cooling rate of the calcium aluminate furnace slag is controlled, and after the calcium aluminate furnace slag is cooled to the room temperature, Al2O3 and leached furnace slag can be obtained through alkaline process leaching. According to the method, energy consumption is significantly decreased. The method has the advantages of simple technology, a short process, low cost and the like. The method has important practical significance for the development and utilization of high-iron gibbsite and broad application prospects.
Owner:NORTHEASTERN UNIV

Process for preparing SiO2 mesoporous material-cadmium sulfide composition nano material

The present invention relates to preparation process of mesoporous SiO2-cadmium sulfide composite nanometer material, and features low material cost, low toxicity, homogeneous distribution of cadmium sulfide in the mesoporous material pore channel, being suitable for industrial production, etc. The preparation process includes the following steps: 1. preparing mesoporous SiO2 material with block copolymer of the general expression EO20PO70EO20 as templating agent and n-ethyl silicate as silicon source, and through hydrothermal crystallizing under acid condition; 2. compounding mixed water solution with cadmium chloride and thiourea in the molar ratio of 1 to 0.5-2; 3. soaking the mesoporous SiO2 material in the mixed water solution, with the molar ratio between mesoporous SiO2 material and cadmium chloride of 2-10 to 1; and 4. precipitating the soaked mixed solution, stoving the precipitate and roasting to pyrolyze in protecting N2 to obtain the product.
Owner:HANGZHOU NORMAL UNIVERSITY

Crystalline silicon solar cell and preparation method thereof

The invention provides a crystalline silicon solar cell and a preparation method thereof. The crystalline silicon solar cell comprises a front electrode, an antireflection film, a silicon substrate, a passivation layer and a back electrode, wherein the front electrode, the antireflection film, the silicon substrate, the passivation layer and the back electrode are stacked in sequence, the passivation layer is formed through a vacuum coating, the target of the vacuum coating is the metal doped silicon oxide target, doped metal is aluminum and / or tin, and the atmosphere of the vacuum coating contains hydrogen or ammonia gas. According to the crystalline silicon solar cell, the minority carrier lifetime is greatly prolonged, the short-circuit current and the open-circuit voltage of the cell are effectively improved, and therefore the photoelectric conversion efficiency of the crystalline silicon solar cell is greatly improved.
Owner:BYD CO LTD

Method for utilizing sulfur and calcium resources in gypsum respectively

The invention discloses a method for utilizing sulfur and calcium resources in gypsum respectively, and the method is as follows: adding an electron donor, a color modifier, a waste catalyst and microorganisms into the gypsum, uniformly mixing, aging and drying to obtain a dry material; introducing coal powder and a combustion improver into a boiling furnace to decompose the dry material in the boiling furnace to obtain a sulfur oxide gas and calcium oxide with color. Compared with the prior art, the method has the advantages of low production cost, high production efficiency and thorough decomposition.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Construction method for vertical waterproof construction joint

The invention discloses a construction method for a vertical waterproof construction joint. The construction method comprises the following steps: S1, manufacturing a construction joint template; S2,mounting the construction joint template; S3, carrying out pouring for the first time; S4, preparing pouring for the second time; and S5, carrying out pouring for the first time. A water sealing and seepage resisting effect in a horizontal section and a vertical section is obtained by combining a tooth-shaped joint structural form between new and old concrete and a scabbing process, and a waterproof purpose of a large sized vertical construction joint is guaranteed. A process of combining a conventional aluminum template with construction joint construction is innovated by means of a sustainable utilizing theory of the aluminum template, and the aluminum template is easily processed, formed and manufactured. The template technology is sophisticated in operation and can be utilized sustainably. Use of conventional flexible waterproof and rigid waterproof materials is cancelled, the material cost is saved, and the construction period is shortened. New and old concrete is in contact by using the tooth-shaped joint structure, and the structural contact surface is increased, so that the anti-seizing ability is enhanced.
Owner:CHINA FIRST METALLURGICAL GROUP

Plant extractive for removing organophosphorus pesticide

The plant extract for eliminating organophosphorus pesticide is alliin extracted from garlic or garlicin produced through oxidizing alliin. The plant extract may be mixed with solvent and surfactant to form plant extract composition for eliminating organophosphorus pesticide. Specially, one kind of plant extract composition consists of alliin and / or garlicin in 50 wt%, surfactant sodium dodecyl benzoate or sodium dodecyl benzene sulfonate in 5 wt% and solvent coconut oil diethanolamine in 10 wt%. When it is used, the plant extract composition is diluted by 200-1000 times and sprayed to plant for washing.
Owner:HENAN AGRICULTURAL UNIVERSITY

Preparation method for pyroelectric thick film detector with silicon cup groove structure

The invention discloses a pyroelectric thick film detector with a silicon cup groove structure, and belongs to the technical field of electronic materials and components. The pyroelectric thick film detector with the silicon cup groove structure comprises a silicon substrate, a bottom electrode and an upper electrode, wherein the upper surface of the silicon substrate is provided with a groove; a pyroelectric thick film material is filled in the groove; the bottom electrode is led out through the side wall of the groove; and the included angle between the upper surface of the silicon substrate and the side wall of the groove provided with the bottom electrode is an obtuse angle. The pyroelectric thick film detector with the silicon cup groove structure is favorable for improving the quality of a thick film and the yield of detectors, so that high performance is realized by the pyroelectric thick film detector.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Polyurethane solid tire mold and its processing method

A polyurethane solid tire mold and a processing method thereof belong to the technical field of solid tire processing. The lower pattern module is composed of a plurality of lower pattern blocks (5) spliced ​​along the circumferential direction, and the lower pattern blocks (5) are slidably arranged in the lower fixing seat (6) through the lower pattern block guide mechanism, and the lower pattern block guide mechanism makes the lower pattern block (5) Displacement radially outward occurs while sliding upward. When the mold is opened, the lower pattern block slides upwards and produces a radially outward displacement, so that the lower pattern blocks are separated from each other and separated from the tire, which is convenient for taking the tire out of the tire mold cavity. The processing method of polyurethane solid tire can be The air bubbles in the raw materials are extruded and vulcanized twice to produce polyurethane low-speed solid tires with wear resistance 5 to 10 times that of ordinary rubber. The load capacity is large, which solves the common problems of falling blocks and cracks in rubber solid tires, and can achieve no traces of running brakes, which is environmentally friendly and clean.
Owner:ZIBO SAITONG POLYURETHANE

Camellia peel tranquilizing incense and preparation method thereof

The invention relates to the technical field of processing of tranquilizing incenses, and in particular to a camellia peel tranquilizing incense and a preparation method thereof. The tranquilizing incense provided by the invention is prepared from the following raw materials: a camellia peel extract, a lavender extract, a common bombax flower extract, a willow leaf extract, gelatin and glycerol; in the formula, the camellia peel extract can take effects of tranquilizing, sterilizing and promoting sleep when the incense is burned; the lavender extract, the common bombax flower extract and the willow leaf extract can effectively improve fragrance of the tranquilizing incense, so that a more effective function of promoting sleep is achieved; and the willow leaf extract, besides a function of improving sleep on the basis of fragrance, can also take a certain effect of expelling insects by virtue of salicin contained in the willow leaf extract. According to the preparation method, a camellia fruit extract is also extracted by virtue of a supercritical CO2 extraction method, an organic matter solvent extraction method and a gel separation method; and camellia fruits are processed through microwave and ultrasonic pre-treatment, so that effective cell disruption is implemented, and separation efficiency of essential oil, polyphenol and flavone is effectively guaranteed.
Owner:广西那坡县翠株园林业科技有限公司

Upgrading and silicon-reduction direct flotation method for silicate type hematite and limonite rough flotation concentrate

ActiveCN107442292AReduce consumptionOvercome the beneficiation problemFlotationEngineeringSilicon
The invention discloses an upgrading and silicon-reduction direct flotation method for silicate type hematite and limonite rough flotation concentrate. The method comprises the steps of conducting rough flotation, wherein water is added to the silicate type hematite and limonite rough flotation concentrate, so that pulp is obtained, the pulp is put into rough flotation equipment, a collecting agent, an inhibiting agent, an auxiliary collecting agent, a PH adjusting agent and H2SO4 with the concentration being 5% are sequentially added, and stirring for direct flotation is conducted, so that rough flotation concentrate foam and rough flotation tailings are obtained; conducting cleaner floatation, wherein the rough flotation concentrate foam is put into cleaner flotation equipment, an inhibiting agent is added, and stirring for direct flotation is conducted, so that cleaner flotation concentrate and cleaner floatation tailings are obtained; and conducting scavenging, wherein the cleaner floatation tailings are put into scavenging equipment, a collecting agent and / or an inhibiting agent, an auxiliary collecting agent, a PH adjusting agent and H2SO4 with the concentration being 5% are added, and stirring for scavenging is conducted, so that scavenging concentrate and scavenging tailings are obtained. The upgrading and silicon-reduction direct flotation method has the beneficial effects of being mature in process, stable in indicator, easy to operate, obvious in upgrading and silicon reduction effect and high in yield and recovery rate.
Owner:YUXI DAHONGSHAN MINING

Method for determining high oleic acid in brassica napus on basis of BnaLCR78 gene

The invention provides a determining method for fast and conveniently judging whether brassica napus belongs to the rape with high oleic acid content, and in particular discloses a determining method for judging whether the transcription of the BnaLCR78 gene of the brassica napus has variable splicing, namely, the intron of the BnaLCR78 gene has variable splicing, thereby judging whether the brassica napus belongs to the rape with high oleic acid content.
Owner:SICHUAN AGRI UNIV

Process for carrying out desulfurization on incineration flue gas generated by printing and dyeing sludge

The invention belongs to the technical field of waste gas treatment and particularly relates to a process for carrying out desulfurization on incineration flue gas generated by printing and dyeing sludge. The process for carrying out desulfurization on the incineration flue gas generated by the printing and dyeing sludge is characterized by comprising the following steps: adsorbing sulfur dioxide in the flue gas by adopting lime slurry; performing the reaction of the flue gas and the sulfur dioxide to generate calcium sulfite; and then oxidizing the calcium sulfite into calcium sulfate. The process has the benefits of simplicity for operation, reliability for operation and convenience for management; and wastewater in the process can be recycled after being treated.
Owner:HUAFANG

Improved septic tank for purification and standard-reaching treatment of toilet liquid dung or/and domestic wastewater

The invention relates to an improved septic tank for purification and standard-reaching treatment of toilet liquid dung or / and domestic wastewater. The improved septic tank comprises a septic tank body, a packing layer for separating sludge from water, an aeration disc, a fan, a time controller, a water sterilization disinfector and an operation control box. According to the invention, toilet liquid dung or domestic sewage of decentralized resident farmer households or remote farmer households in mountainous areas can be purified to reach the standard; treated water is transparent and odorless, has no germs and reaches first-grade standard prescribed in Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002); and the device has the advantages of simple structure, light weight, low price, convenience in installation, easiness in operation and convenience in maintenance, and has wide market popularization and application prospects, creativity, novelty and good industrial practicability.
Owner:周鼎力

Improved manure pit for toilet liquid dung or/and domestic waste water purification standard treatment

The invention relates to an improved manure pit for toilet liquid dung or / and domestic waste water purification standard treatment. The improved manure pit comprises a septic tank, a filling layer forseparating sludge from water, an aeration disc, a draught fan, a time controller, a water sterilizer and an operation control box. Accordingly, liquid dung or domestic waste water of scattered ruralfamilies or remote rural families in mountain areas can be subjected to purification standard treatment, water obtained after treatment is transparent, odorless and free of germ, and the first-class standard of Discharge standard of pollutants for municipal waste water treatment plant(GB18918-2002) is met; the improved manure pit has the advantages of being simple in structure, low in weight, lowin price, convenient to install, easy to operate and convenient to maintain, and has wide market application and popularization prospects, creativity, novelty and good industrial practicability.
Owner:周鼎力

Modified septic tank for standard reaching treatment of rural toilet dung water and domestic wastewater

A modified septic tank for standard reaching treatment of rural toilet dung water and domestic wastewater comprises a septic tank, a packing layer for separating sludge and water, an aeration disc, afan, a time controller for the fan, a sludge pump, a time controller for the sludge pump, a water sterilizing and disinfecting device and an operation control box. The modified septic tank can performpurifying and standard-reaching treatment on the toilet dung water or domestic sewage in scattered peasant households or montanic remote rural households so the treated water quality is translucent and odorless, has no pathogens, and meets first-class standards in Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002). The modified septic tank has the advantages of simple structure, light weight, low price, convenience in installation, easiness in operation, wide market application prospect, creativity, novelty and good industrial applicability.
Owner:周鼎力

Nanometer coating and printing material and preparation method thereof

The invention discloses a nanometer coating and printing material and a preparation method thereof, and relates to the technical field of nanometer coating and printing materials. The preparation method comprises the following step: extracting a raw material and a solvent, of which the weight ratio is 1:(1-9). The raw material comprises any one of a coating raw material and a printing ink raw material. The coating raw material comprises at least one of a coating product raw material and a coating product. The printing ink raw material comprises at least one of a printing ink product raw material and a printing ink product. Extraction comprises supercritical extraction, microwave extraction, ultrasonic extraction, ultrahigh-pressure extraction and nanometer grinding extraction. The preparation method is environment-friendly, low in consumption and cost, efficient, convenient, mature and suitable for industrial production. The nanometer coating and printing material is prepared by the preparation method. The raw material is saved, the cost is reduced, meanwhile, the nanometer coating and printing material is high in dispersity and stability, the performance is obviously improved, and bottlenecks in performance improvement in the prior art are broken.
Owner:曾济天

A method for determining high oleic acid content in Brassica napus based on bnalcr78 gene

The invention provides a determining method for fast and conveniently judging whether brassica napus belongs to the rape with high oleic acid content, and in particular discloses a determining method for judging whether the transcription of the BnaLCR78 gene of the brassica napus has variable splicing, namely, the intron of the BnaLCR78 gene has variable splicing, thereby judging whether the brassica napus belongs to the rape with high oleic acid content.
Owner:SICHUAN AGRI UNIV

Selenium-rich downy rosemyrtle freckle removing and whitening liquid and preparation method thereof

InactiveCN108403545AImprove freckle and whitening abilityProtect healthCosmetic preparationsToilet preparationsCross-linkChamomile extract
The invention belongs to the technical field of cosmetics, and particularly relates to selenium-rich downy rosemyrtle freckle removing and whitening liquid and a preparation method thereof. The selenium-rich downy rosemyrtle freckle removing and whitening liquid is prepared from, by weight, 40-50 parts of selenium-rich downy rosemyrtle essential oil, 15-20 parts of rice bran enzyme liquid, 12-15 parts of aloe extracts, 8-10 parts of chamomile extracts, 5-8 parts of lemon extracts, 0.5-0.8 part of undecylenoyl phenylalanine. In the formula, macromolecular substances such as the rice bran enzymeliquid, the aloe extracts, the chamomile extracts, the lemon extracts and the undecylenoyl phenylalanine are mutually cross-linked with the selenium-rich downy rosemyrtle essential oil, so that a protection film is formed on the surface of the skin, freckle removing and whitening ability of the freckle removing and whitening liquid is improved, and the freckle removing and whitening liquid solvesthe problem of rebound of skin pigments, ageing and generation of wrinkles, so that three-in-one effects integrating sun-screening, freckle removing and whitening are achieved.
Owner:GUANGXI XIUMEI ZHUANGXIANG ENERGY ENVIRONMENTAL PROTECTION CO LTD

Oil-flavored yellow sour soup and preparation method thereof

The invention provides an oil-flavored yellow sour soup. The soup is prepared from pumpkin, yellow cherry tomatoes, salt, red sour soup fermentation broth, oil pressed by small mill, soybean oil, monosodium glutamate, white granulated sugar, litsea cubeba oil and water. A preparation method of the oil-flavored yellow sour soup comprises the following steps: subjecting the pumpkin to stem removal,peeling, seed drawing, cleaning, dividing cutting and crushing, mixing the crushed pumpkin with water, cleaning and crushing the yellow cherry tomatoes, mixing the crushed yellow cherry tomatoes withwater, mixing the above raw materials, adding the salt and the red sour soup fermentation broth, performing mixing and stirring, performing sealing and anaerobic fermentation, performing grinding to obtain slurry, namely a plain yellow sour soup D, adding the oil pressed by small mill and the soybean oil, adding the plain yellow sour soup D, the monosodium glutamate, the white granulated sugar andthe litsea cubeba oil after oil heating, and performing stir-frying and stirring with slow fire to obtain the oil-flavored yellow sour soup. The method enriches the color of the sour soup, and enables the soup to be rich in nutrients, exquisite in texture and fragrant in taste. The mass fraction of the pumpkin is large; the color and the viscosity of the oil-flavored yellow sour soup can be increased. The yellow cherry tomatoes are stir-fried by the added oil pressed by small mill and the soybean oil, so that the absorption of lycopene by the human body can be increased.
Owner:贵州金沙冠香坊调味食品有限公司

Selenium-rich myrtle essential oil preservative and preparation method thereof

The invention belongs to the technical field of preservative processing, and particularly relates to a selenium-rich myrtle essential oil preservative and a preparation method thereof. The selenium-rich myrtle essential oil preservative is prepared from the following raw materials in parts by weight: 25-40 parts of selenium-rich myrtle essential oil, 10-20 parts of sesame extract, 5-10 parts of tea extract, 20-30 parts of citrus extract and 10-20 parts of konjac starch. According to the selenium-rich myrtle essential oil preservative and the preparation method thereof, in the preservation process, the problem that the preservation effect cannot be achieved due to the fact that a preservative is smeared unevenly can be solved through soaking; and meanwhile, the selenium-rich myrtle essential oil has a relatively good anti-oxidation effect, so that the selenium-rich myrtle essential oil preservative has a good preparation effect and a long enough preparation time, and the problems that selenium-rich myrtle fruits are difficult to store and are short in storage time can be solved. The selenium-rich myrtle essential oil preservative and the preparation method thereof have the advantages of being simple and easy in operation and low in cost, the obtained preservative has no toxic or side effects, and the preservation effect is obviously improved.
Owner:GUANGXI XIUMEI ZHUANGXIANG ENERGY ENVIRONMENTAL PROTECTION CO LTD

Construction method for urban sewage pump station

The invention discloses a construction method for an urban sewage pump. The construction method comprises the following steps of step 1) prefabricating a sewage blocking assembly, wherein the sewage blocking comprises a sewage blocking net, a pair of lifting lugs, a pair of balancing weights and a pair of first lifting mechanisms; step 2) prefabricating a plurality of filter assemblies, wherein each filter assembly comprises a filter screen and second lifting mechanisms; step 3) prefabricating a plurality of submersible sewage assemblies, wherein each submersible sewage assembly comprises a base, a submersible sewage pump, a pair of conveying pipes, a pair of stand columns, a pair of guide blocks and a pair of guide shafts; step 4) erecting a barrier plate in a sewage pool, arranging a plurality of flow guide pipes on the barrier plate in a penetrating manner, erecting a platform template on the downstream side of the barrier plate, and pouring concrete; and step 5) mounting the sewageblocking assembly, the filter assemblies and the submersible sewage assembly in the sewage pool. Sewage pump stations of different scales can be constructed on site according to operation environment, discharge capacity requirement and the like.
Owner:CCCC THIRD HIGHWAY ENG

Environment-friendly septic tank

The invention relates to an environment-friendly septic tank. The environment-friendly septic tank is mainly composed of a septic tank, solar power generation equipment, a gas pump and a sludge sedimentation barrel. By adopting the environment-friendly septic tank, the water quality discharged from the septic tank can reach a first-class standard of ''pollutant discharge standards of urban sewagetreatment plant'' (GB 18918-2002), and thus the environment-friendly septic tank has advanced popularization and application significance for up-to-standard treatment of manure pollution of implementing China's rural toilet revolution, and for sewage treatment from the rural "source". The environment-friendly septic tank has reliable operation, mature technology, easy operation and convenient maintenance, and has broad popularization and application prospects.
Owner:周鼎力

Multistage aerobic modified purifying groove treating agricultural household sewage

The invention belongs to a multistage aerobic modified purifying groove treating agricultural household sewage. The modified purifying groove comprises a shell of the purifying groove, a first latticeanaerobic tank, a second lattice aerobic tank, a third lattice aerobic tank, a fourth lattice aerobic tank, a fifth lattice sedimentation tank, a sixth clean water disinfecting tank, an aerating fan,an aerating filler, a sludge separating filler, a time controller, an aerating disk, a sludge bump, a sterilizing and disinfecting machine, a liquid passing pipe, a slag hole and an operating and controlling box. The modified purifying groove has the advantage that the quality of discharged water stably meets first-grade A standards stipulated in Urban Sewage Treatment Plant Pollutant DischargingStandards (GB 18918-2002), latrine liquid dung and domestic sewage of agricultural families distributed sparsely or in remote mountainous region are subjected to purification and standardized treatment, and creativity, novelty and advancement are achieved.
Owner:周鼎力
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