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Non-aqueous electrolyte of lithium ion battery and lithium ion battery
ActiveCN106486696AInhibit deteriorationCut off contactElectrode manufacturing processesGroup 5/15 element organic compoundsCharge dischargeSolvent
The invention proposes a non-aqueous electrolyte of a lithium ion battery and the lithium ion battery containing the non-aqueous electrolyte. The non-aqueous electrolyte of the lithium ion battery comprises a lithium salt, a non-aqueous solvent and a first additive and is characterized in that the first additive is phosphorothioate having a structure shown as in formula (1), wherein R1 and R2 are respectively selected from one of -(CH<2>)<n>-CH<3>, -(CH<2>)<n>-CF<3>, -NO<2> and -SO<3>, n is an integer from 0 to 4, R3 until R7 are respectively selected from one of -CN, -F, -Cl, -Br, -CF<3>, -NO<3> and -H, and at least one of R3 until R7 is one of -CN, -F, -Cl, -Br, -CF3 and -NO<3>. The first additive disclosed by the invention is added into the non-aqueous electrolyte of the lithium ion battery, and thus, the electrolyte can be prevented from generating side reaction on a surface of a battery positive electrode to cause degradation; and the battery obtained through preparation has relatively high charge-discharge performance, the capacity retention ratio is high after circulation, and the battery is small in deformation before and after circulation and is long in service lifetime.
Owner:BYD CO LTD
Throwing type fire extinguisher and manufacturing method thereof
ActiveCN103341244AAppropriate size for impact resistanceHas a cooling effectFire rescueFire extinguisherPolyvinyl chlorideFire extinguisher
The invention discloses a throwing type fire extinguisher and a manufacturing method thereof. The throwing type fire extinguisher comprises a fire extinguishing agent and a fire extinguisher bottle for storing the fire extinguishing agent. The throwing type fire extinguisher is characterized in that the fire extinguishing agent comprises the following components: a fluorinated surfactant, potassium carbonate, ammonium sulfate, urea, ammonium polyphosphate, an anionic surfactant, lauryl sodium sulfate and water; the fire extinguisher is a polyvinyl-chloride-resin bottle with self extinguishment. The throwing type fire extinguisher disclosed by the invention has the advantages that due to ingenious utilization of self extinguishment, flame resistance and cold resistance of polyvinyl chloride, normal use can be achieved at the temperature of minus 30 DEG C; the size of impact resistance is proper, breaking can not be finished by hands, the breaking rate is high in throwing, and broken scraps are not splashed and do not hurt persons.
Owner:QINGDAO LONGCHI FIRE EQUIP
Preparation method for graphite negative electrode of lithium ion battery
InactiveCN102983307ALow cost of preparationStrong industrial operabilityCell electrodesWater solubleLithium electrode
The invention discloses a preparation method for a high-performance modified graphite negative electrode, and in particular discloses a preparation method for a graphite negative electrode of a lithium ion battery. The preparation method mainly comprises the following steps of: conducting procedures of liquid-phase even mixing, drying, roasting, screening and the like to water-soluble phenol-formaldehyde resin, an aluminum source and graphite negative electrode material to be modified to prepare a graphite negative electrode which is modified jointly by pyrolytic carbon and aluminum oxide, wherein the surfaces of the pyrolytic carbon are coated with phenolic resin. The modified graphite negative electrode material has the characteristics of being high in reversibility specific capacity, high in first-time charging and discharging efficiency, long in recycling life and good in safety property. The modified technique is simple to operate, low in cost, and obvious in modification effect.
Owner:TIANJIN B&M SCI & TECH
Electric heating tube component and manufacturing method thereof
ActiveCN101325827AImprove corrosion resistanceCut off contactImmersion heating arrangementsEngineeringEnamel paint
The invention discloses an electric heating pipe assembly and a manufacturing method thereof. The electric heating pipe assembly comprises a heating pipe which comprises a metal tube, the metal tube is provided with heating cords made of insulated heat conduction material, and the outer surface of the metal tube of the heating pipe is covered with an enamel protective layer. The electric heating pipe is absorbed through static electricity, the outer surface of the metal tube is coated with an enamel layer, so that the coated enamel layer covers the outer surface of the metal tube completely; the electric heating pipe coated with the enamel layer is sintered at high temperature, to form a compact and firm enamel protective layer by the enamel paint coated on the surface of the metal tube. Because the outer surface of the metal tube is coated with the enamel protective layer completely, the contact of the heated pipe liquid and the metal is stopped completely, thereby improving the corrosion resistance of the surface of the metal tube and improving the service life of the electric heating pipe; moreover, the production efficiency is high, and the product quality is stable and reliable. The electric heating pipe assembly of the invention can be widely applied to the domestic and industrial fields.
Owner:法罗力热能设备(中国)有限公司
Weeding master batch for biodegradable agricultural film, and preparation method thereof
The invention relates to a weeding master batch for a biodegradable agricultural film. The weeding master batch comprises, by weight, 30-90 parts of a degradable material, 10-70 parts of papermaking wastes, 0-30 parts of starch, 0-30 parts of inorganic mineral matters and 0.5-15 parts of assistants. The invention also relates to a preparation method of the weeding master batch for the biodegradable agricultural film. The preparation method has the advantages of great reduction of the production cost of the weeding master batch for the biodegradable agricultural film by adding the papermaking wastes, starch and inorganic mineral matters to the degradable material, effective utilization of the papermaking wastes and reduction of the environment pressure; and the papermaking waste composite weeding master batch has a low light transmittance and a strong light blocking property, so the prepared biodegradable agricultural film has a good weeding property, can block the contact of weeds withlight, and make the weeds unable to photosynthesize.
Owner:SHANGHAI CHANGFA NEW MATERIAL CO LTD
Silk-ramie fiber spunlace non-woven facial mask base fabric and preparation method thereof
The invention relates to an antibacterial health care spunlace fabric, in particular to a preparation method and application of a silk-ramie fiber spunlace non-woven facial mask base fabric. The silk-ramie fiber spunlace non-woven facial mask base fabric is prepared from the following raw materials including, by weight, 10-100% of silk-ramie fibers, 0-50% of real silk fibers, 0-50% of natural silk fibers, 0-90% of viscose fibers, and 0-70% of polyester fibers. The advantages of the silk-ramie fiber spunlace non-woven facial mask base fabric are that the silk-ramie fiber spunlace non-woven facial mask base fabric can clean skins, retain moisture, and protect skins, is high in sterilizing rate, is nonirritating, has a moisture preservation, cell activating, and oxygen supplying function, and can nourish and care skins.
Owner:ZHONGYUAN ENGINEERING COLLEGE
Energy-saving stainless steel wire hydrogen retreat furnace
InactiveCN101988148ASmall hearthReduce heat transferFurnace typesHeat treatment furnacesHydrogenMetallurgy
Owner:江西华立金属制品有限公司
Spring magnetic control superposed type fuel gas motor relief valve
InactiveCN101122342AEnsure safetyEnsure reliabilityOperating means/releasing devices for valvesLift valveFailure rateElectric machine
The invention discloses a spring-magnetic control coincidence fuel gas electric motor valve and is technically characterized in that a group of main steel magnets and auxiliary steel magnets, unlike poles of which attract each other are combined with a spring organically; the main steel magnets and the auxiliary steel magnets attract each other to complete the valve opening, while the spring extends to complete the valve closing; the circulation of main and auxiliary magnets absorption and spring extension complete the opening and closing; as an isolation area is formed between in the magnetic field space between the main steel magnets and the auxiliary steel magnets, an electric motor is arranged in an fully closed electric case to completely and reliably isolate the electric motor and the fuel gas; moreover, as a valve cover mechanism partly overlaps with the fully closed electric case, the overall height of the valve is reduced to meet the market requirement for a small valve. Meanwhile, the valve is characterized with the large stroke of valve opening and closing, the small pressure loss, the low failure rate, and so on, so the valve is well worth spreading.
Owner:SHANGHAI JIENENG ENVIRONMENT PROTECTION HIGH TECH
Tea polyphenol composite coating preservative and preparation method thereof
InactiveCN109042857AGood film formingWide variety of sourcesFruits/vegetable preservation by coatingFood ingredient for microbe protectionVitamin CPhenolic content in tea
The invention discloses a tea polyphenol composite coating preservative and a preparation method thereof. The composite coating preservative is prepared from the following raw materials according to mass concentration: 2.5-5.5% of collagen, 0.5-3.5% of glycerol, 0.5-4.5% of gelatin, 0.1-1% of tea polyphenol, and deionized water. According to the preparation method, tea polyphenol, collagen, gelatin, and glycerol are used as main raw materials to prepare the composite coating preservative, and then the preservative is spread on hawthorn fruits. After 20 day's storage at room temperature, researchers research changes of hardness, vitamin C, sensory quality, weight loss rate and other indexes of hawthorn fruits, so as to evaluate the preservation effect of the composite coating preservative on hawthorn fruits. The hawthorn fruit treated by the coating preservative changes more slowly in weight loss rate, sensory quality, hardness and vitamin C than the hawthorn fruit not spread with the coating preservative. The preservative effectively prolongs the shelf life of the hawthorn fruits. The coating preservative with best preservation effect is prepared from the following raw materials: 4.0% of collagen, 3.0% of gelatin, 0.2% of tea polyphenol, and 1.0% of glycerol.
Owner:HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY
Method for isoalting oil soot by air jet layer and its oil soot exhauster
InactiveCN1397768ACut off contactBlock attachmentDomestic stoves or rangesLighting and heating apparatusSootPetroleum engineering
A method for isoalting oil soot by air jet layer features that an air jet layer is generated on the inner surface of oil soot exhauster to isolate the oil soot from the said inner surface. The relative oil soot exhauster is composed of oil soot collecting hood, blower, motor, airflow collector and air jet outlet. Its advantages are no oil pollution to oil soot exhauster, no oil collection and dropping, and no environmental pollution.
Owner:金恒霄
Safe and effective privacy protection method of P2P system
InactiveCN101707611ACut off contactImprove privacyKey distribution for secure communicationUser identity/authority verificationPrivacy protectionTrust relationship
The invention discloses a safe and effective privacy protection method of a P2P system, which comprises the steps of: dynamically establishing a state of trust relationship between a network entity and entities of other friendly nodes, wherein the friendly nodes are used as agencies for requiring and obtaining files mainly comprising files required by a requester; sending the files to a provider through the friendly nodes of a resource provider; sending a public key certificate and a global trust value to the requester through the friendly nodes of the requester by the provider; once the resource provider of the files is selected, generating a symmetrical secret key, encrypting a public key of the provider and then sending the encrypted public key to the node of the provider through the friendly nodes; and encrypting the files by the resource provider by using the symmetrical secret key and sending the files to a request node through the friendly nodes. The invention conceals the identifies of a resource requester and a sender through an agency way, thereby blocking the relation between a source and the content of the files, and effectively protecting the privacy of the resource requester and the resource provider.
Owner:BEIJING UNIV OF TECH
Repaglinide tablet and preparation method thereof
InactiveCN102743354AImprove solubilityImprove curative effectOrganic active ingredientsMetabolism disorderRepaglinideTreatment effect
The invention discloses a repaglinide tablet and a preparation method thereof, belonging to the new technical field of medicines. The repaglinide tablet mainly contains repaglinide and is prepared by a solid self-emulsifying technology, wherein the tablet further contains a diluent, an emulsifier, an assistant emulsifier, an adsorbent, filler, a disintegrating agent and a lubricant. The repaglinide tablet overcomes the instability of repaglinide, has the advantages of improved dissolution rate of repaglinide and enhanced treatment effect and has ideal treatment effect.
Owner:NANJING ZENKOM PHARMA
Composite intumescent flame retardant and preparation method thereof
The invention discloses a composite intumescent flame retardant and a preparation method thereof. The composite intumescent flame retardant is composed of 83.33-99.67 wt% of an intumescent flame retardant and 16.67-0.33 wt% of sodium oleate-modified lauryl sodium sulfate intercalated calcium magnesium aluminum hydrotalcite. According to the invention, Ca<2+>, Mg<2+>, Al<3+> and other cations are utilized to perform cation replacement modification on hydrotalcite, dodecyl sulfate and other anions are utilized to perform interlayer intercalation modification on hydrotalcite to expand interlayerspacing and improve the flame retardancy of the hydrotalcite flame retardant, and the hydrotalcite flame retardant is compounded with the intumescent flame retardant to form a synergistic flame-retardant system, so the flame retardancy of the composite flame retardant is improved, and the mechanical property of a polymer added with the flame retardant is also synergistically guaranteed.
Owner:OECHSLER PLASTIC PROD TAICANG +1
Preparation method of composite foam gel fire-extinguishing material for coal mines
InactiveCN110452713AGood water-fixing performanceAvoid crackingFire extinguisherCarboxymethyl celluloseSpontaneous combustion
The invention relates to a preparation method of a composite foam gel fire-extinguishing material for coal mines, and belongs to the technical field of fire-extinguishing materials. Carboxymethyl cellulose and polyacrylamide are added to prepare the composite foam gel fire-extinguishing material for coal mines. The carboxymethyl cellulose and polyacrylamide can form a gel at a certain temperature,the gel contains water, the water can lower the temperature of the fire zone when evaporated, the gel is attached to the surface of coal after reaching stability in order to form a dense film, the film can block the contact between coal and oxygen in order to blocking the oxidation of the coal, the gel can rapidly lower the temperature of the coal when used for the spontaneous combustion fire ofthe coal in order to wrap the coal, isolate oxygen and quickly extinguish the fire, and the leak stopping effect of the gel makes an air leaking channel rapidly plugged in order to prevent toxic and harmful gases from being released; and the gel has a good water fixing performance, and can fix water even at a high temperature, so the danger of water gas explosion is avoided.
Owner:牟涛
Motor stator immersion painting process
InactiveCN107947505AImprove insulation performanceHigh mechanical strengthApplying solid insulationRoom temperatureHeating furnace
The invention provides a motor stator immersion painting process. The process includes following steps: pre-drying, pre-drying a stator through two heating furnace areas, wherein the temperature of afirst heating furnace is controlled at 120-130 DEG C, the temperature of a second heating furnace is controlled at 50-60 DEG C, and the temperature of insulating varnish is lower than 40 DEG C; cooling, naturally cooling the stator to a room temperature; vacuum immersion painting, putting the stator in a vacuum tank to perform vacuum immersion paint processing; paint sprinkling, performing paint sprinkling processing after completion of vacuum immersion painting of the stator; adhesive solidification, putting the stator on a rotating painting tray to enable the insulating varnish to be uniformly solidified, wherein the rotating speed of the painting tray is 1-2 r / min, and the required time is 1h; curing, heating a baking oven to the temperature of 150 DEG C, and then putting the stator inthe baking oven and baking the stator for 3h; and paint scraping, taking the stator out of the baking over after the curing of the stator is finished and the temperature is reduced to 65-75 DEG C, andscraping paint projections on the surface of the stator. According to the process, the surface of the stator of the motor forms a uniform and smooth paint film.
Owner:无锡华盛力通电驱动系统有限公司
High-efficiency chemical water-stemming
InactiveCN104930934AHigh smoke suppression effectGood removal effectBlastingSodium bicarbonateSodium phosphates
The invention discloses high-efficiency chemical water-stemming which comprises an outer packaging film (1) and a liquid (2), wherein the liquid (2) is sealed in the outer packaging film (1); the liquid (2) comprises components in parts by weight as follows: 6-8 parts of a smoke eliminating agent, 6-9 parts of a flame eliminating agent, 5-7 parts of a foaming agent, 6-7 parts of a detergent, 7-9 parts of a dust depressor and 60-70 parts of water; the main component of the smoke eliminating agent is a mixture of sodium carbonate, sodium hydrogen carbonate, sodium phosphate and sodium silicate; the main component of the flame eliminating agent is a mixture of potassium sulphate, potassium nitrate, sodium chloride and potassium chloride; the main component(s) of the foaming agent are / is sodium nitrite and / or potassium nitrite; the main component of the detergent is sodium dodecyl benzene sulfonate; and the main component of the dust depressor is a mixture of water-soluble polymer, glycerol and calcium chloride. The high-efficiency chemical water-stemming has excellent effects of degrading and dissolving poisonous gases, eliminating smoke and flame, suppressing dust and blocking blasting holes; the cost is low; and the high-efficiency chemical water-stemming is widely applied to fields where the space of a roadway is small, the wind speed is low, and poisonous and hazardous gases are difficult to dilute.
Owner:江苏徐矿能源股份有限公司
Biodegradable agricultural film with weeding effect and preparation method of biodegradable agricultural film
InactiveCN109762308AReduce light transmittanceImprove light blocking performanceTransmittanceAdipic acid
The invention relates to a biodegradable agricultural film with a weeding effect and further relates to a preparation method of the biodegradable agricultural film with the weeding effect. The biodegradable agricultural film is prepared from components in parts by weight as follows: 30-80 parts of poly adipic acid / butylene terephthalate, 0-30 parts of polylactic acid, 10-70 parts of papermaking waste, 0-30 parts of starch and 0.5-15 parts of an auxiliary. The biodegradable agricultural film with the weeding effect has the advantages as follows: the papermaking waste is added to a degradable material, and production cost of master batch for the biodegradable agricultural film with the weeding effect is substantially reduced; the papermaking waste is effectively utilized, and environment stress is reduced; the biodegradable agricultural film which is compounded with the papermaking waste and has the weeding effect has low light transmittance, high light resistance and good weeding property and can prevent weeds from being contacted with light, so that photosynthesis of the weeds can be prevented.
Owner:SHANGHAI CHANGFA NEW MATERIAL CO LTD
Anti-rust device for pre-embedded exposed steel bars in construction projects
ActiveCN103967287BReduce rustCut off contactBuilding material handlingPipe fittingArchitectural engineering
The invention discloses a construction engineering embedded exposed steel bar rust-proof device which comprises a rust-proof sleeve, a sealing device and an air suction hole. One end of the rust-proof sleeve is provided with a pipe opening and sleeves an outer wall of an exposed steel bar through the pipe opening, the air suction hole is formed in a side wall of the rust-proof sleeve and only allows gas to flow out of the rust-proof sleeve through the air suction hole, the sealing device is an elastic pipe fitting with two ends open, and the two ends of the sealing device respectively sleeve the rust-proof sleeve and an outer wall of the exposed steel bar and form a sealed sealing surface. The construction engineering embedded exposed steel bar rust-proof device solves the problem that due to the fact that exposed parts of existing construction engineering concrete joint embedded steel bars are exposed to air and subject to the influence of rain, sunshine and damp air, the exposed parts rust easily and construction durability is weakened. The steel bar rust-proof device prevents the rain and the damp air from influencing the steel bar and prevents and slows down corrosion of the construction engineering embedded exposed steel bar.
Owner:CHONGQING TECH & BUSINESS INST +1
Marine environment concrete crack repair material and preparation method thereof
The invention discloses a marine environment concrete crack repair material which is prepared from the following components in parts by weight: 30-50 parts of Portland cement, 10-30 parts of desaltedsea sand, 5-15 parts of abandoned sea fish, 10-30 parts of crustacean exoskeleton, 4-10 parts of silica fume, 2-5 parts of a corrosion inhibitor, 0.5-2 parts of an early strength agent, 5-10 parts ofan expanding agent and 0.1-0.5 part of polypropylene fiber. The above materials are suitable for marine environment concrete crack repair and can ensure the long-term marine environmental concrete service after being filled.
Owner:NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
Papaya anti-oxidant serum and preparation method thereof
InactiveCN101444562AEasy to carry and storeImprove extraction efficiencyAntinoxious agentsPharmaceutical non-active ingredientsGramHealth food
The invention discloses a papaya anti-oxidant serum, which comprises cyclodextrin inclusion compound of pawpaw natural antioxidant and carriers accepted in pharmacy. The papaya anti-oxidant serum consists of enzymolysis water extract and alcohol extract of the papaya, in which vitamin C and polyphenols are contained. Vitamin C contained in papaya anti-oxidant serum is no less than 2 milligram per gram, and the total polyphenols calculated in gallic acid is no less than 22 milligram. Therefore, the papaya anti-oxidant serum has the characteristics of high efficiency, durability and stable inoxidizability and easy storage and carrying, can be served as health food to eat, can used as cosmetics, animal food, food or medical mediate, and further can used for preparing antioxidation products; the invention also discloses a preparation method for the papaya anti-oxidant serum, which comprises seven steps of pulping, enzyme digestion, filtering, alcohol extraction, concentration, inclusion and pelletization, so as to be a system for efficiently, sufficiently and completely extracting papaya anti-oxidant, and the antioxidative activity can be effectively preserved.
Owner:ARMY MEDICAL UNIV
Hydraulic ceramic brick press and method for prolonging service life of hydraulic oil
InactiveCN101693385AReduce replacement frequencyLow costCeramic shaping apparatusVacuum pumpingBrick
The invention discloses a hydraulic ceramic brick press for prolonging the service life of hydraulic oil. The hydraulic ceramic brick press comprises a liquid charging oil tank used for storing hydraulic oil, wherein the liquid charging oil tank is connected with a compressed nitrogen source and vacuum-pumping equipment by pipelines, compressed nitrogen enters the liquid charging oil tank through the pipelines, and the nitrogen pressure in the liquid charging oil tank is higher than the atmosphere pressure. The invention also discloses a method for prolonging the service life of the hydraulic oil. The method is characterized in that air in the hydraulic oil-filled liquid charging oil tank of the hydraulic ceramic brick press is pumped out, and the liquid charging oil tank is inflated with the nitrogen so as to enable the nitrogen pressure in the liquid charging oil tank to be higher than the atmosphere pressure. The invention has the advantages of slowing down the aging process of the hydraulic oil, prolonging the service life thereof and reducing the frequency of replacing the hydraulic oil of the hydraulic ceramic brick press, thereby saving a great amount of hydraulic oil; and the manufacturing cost of the compressed nitrogen source is much lower than the hydraulic oil, and therefore the invention has great economic benefit. Besides, the invention does not need to make a large amount of modification to the existing brick press, thereby being easy to be popularized and implemented.
Owner:FOSHAN UNIVERSITY
Novel source separation squatting pan
InactiveCN110731719AEasy to useImprove securityBathroom coversAgainst vector-borne diseasesWood ashEngineering
The invention discloses a novel source separation squatting pan. The novel source separation squatting pan comprises a rear urinal; a clapboard is arranged in the rear urinal, so that the rear urinalis separated into a rear urine urinal and an excrement urinal; an urine discharging hole is arranged at the bottom in the rear urine urinal, and connected to an urine storage barrel through a pipeline; an excrement cabin is arranged below the excrement urinal; an excrement urinal cover plate and a defecation plate are also included; the cover plate is positioned over the excrement urinal; the defecation plate is positioned below the excrement urinal; both the two can rotate around a rotating shaft; when the cover plate is opened, the defecation plate is positioned below the excrement urinal, and used for isolating the excrement urinal from the excrement cabin; and, when the defecation plate is opened, the cover plate is positioned over the excrement urinal, and used for covering the opening of the excrement urinal. Excrement and urine source separation is realized through a rear urine hole and an excrement hole; a lot of water sources can be saved; simultaneously, independent collection of excrement and urine is realized; in the use state, contact between an excrement box and a user is blocked by the defecation plate; upward overflowing of bad smell is inhibited; and simultaneously, the bad smell of excrement is further adsorbed by auxiliary materials, such as wood dust and plant ash.
Owner:TONGJI UNIV
Manufacturing method for interior wall ceramic tile with metallic luster layer
The invention discloses a manufacturing method for an interior wall ceramic tile with a metallic luster layer. Before the interior wall ceramic tile is plated with the metallic luster layer, an isolation layer which has adhesive force to a glaze surface, can effectively block combination of the metallic luster layer and the glaze surface and can be removed with water is arranged at the portion where the metallic luster layer does not need to be reserved, polishing, waxing and other steps are not needed after the whole interior wall ceramic tile is plated with the metallic luster layer, and only water is needed for removing the metallic luster layer and the isolation layer at the portion where the metallic luster layer does not need to be reserved. According to the method, the metallic luster layer can be arranged on both a sunken area and a plane, the polishing cost can be saved, and the manufacturing steps are simplified.
Owner:浙江根根陶瓷有限公司
Hollow plum fruit preservation method, preservative and preparation method thereof
InactiveCN104286148AImprove freshnessIncreased durabilityFruit and vegetables preservationVitamin CThiourea
The invention discloses a hollow plum fruit preservation method, a preservative and a preparation method thereof. The preservation method realizes preservation mainly by combining coating and deoxidization. The invention further provides a fruit preservative for treating picked hollow plum fruits. The preservative is divided into a coating preservative and a deoxidization preservative, wherein the coating preservative contains 10g of chitosan, 15g of citric acid, 1.0g of vitamin C, 1g of zinc oxide and 200mg of thiourea; and the deoxidization preservative contains 50g of potassium permanganate, 20g of anhydrous sodium chloride, 10g of sodium hydroxide, 15g of zinc oxide, 20g of ferrous sulfate, 15g of vitamin C, 60g of calcium chloride, 15g of sodium polyacrylate and 500g of zeolites. The preservation method comprises the steps of picking fresh hollow plum fruits, treating with the coating preservative, spreading and drying in air for 3-4h, then packing in storage bags in a separating manner, adding a part of deoxidization preservative into each bag, and preserving in a cool environment with the temperature being less than 25 DEG C. According to the preservation method, safety, efficiency and convenience are realized, the quality of hollow plums can be kept, and the rotting rate of the hollow plums can be effectively reduced at the same time.
Owner:GUIZHOU YANHE WUJIANG BIOTECH DEV
Antirust attapulgite drier
InactiveCN107583611AHygroscopicAvoid corrosionOther chemical processesDispersed particle separationIron powderDesiccant
The invention discloses an antirust attapulgite drier which is characterized by comprising an antirust agent and an attapulgite drier, wherein the weight percentage of the antirust agent is 5-30%; theattapulgite drier is composed of silicon dioxide, calcium oxide, magnesium oxide, aluminum oxide and iron oxide; the formula of the attapulgite drier comprises the following components by mass percent: 50-70% of silicon dioxide, 5-25% of calcium oxide, 3-15% of magnesium oxide, 5-11% of aluminum oxide and 0.2-0.5% of iron oxide; and the formula of the antirust agent comprises the following components by mass percent: 13-55% of magnesium oxide, 9-24% of attapulgite, 12-35% of iron powder and 0.3-12% of carbon powder. The antirust attapulgite drier is prepared in the manner of mixing and refining the antirust agent and the attapulgite drier, has gasifying antirust property and moisture absorption of the drier and can overcome the defect of only a drying function of the ordinary drier.
Owner:MINGGUANG CITY HAIGANGAONI MINING CO LTD
Anti-explosion special type power supply device
ActiveCN102751457AExplosion-proof improvementImprove securityCell component detailsElectrical conductorEngineering
Owner:ZIBO TORCH ENERGY
Soft seal gate valve
The invention relates to a soft seal gate valve, which comprises a valve body, a gate disc vertically moving along gate disc slideways at the two sides in the valve body and a valve rod which operates the gate disc to vertically move to start and stop; the two sides of the gate disc are provided with gate disc sliding grooves sliding on the gate disc slideways; the contact parts between the gate disc sliding grooves and the gate disc slideways are provided with pressure protection grooves used for relieving liquid pressure; the gate disc is formed by coating a layer of rubber material on the outer surface of a casting substrate; the inner wall and the outer surface of the valve body are sprayed with a non-toxic odourless resin (RAL7040) powder coating layer; and three plane seals are adopted between the lower part of the gate disc and a runner of the valve body for contact. In the soft seal gate valve, a layer of rubber is used for coating the gate disc and the inner wall of the valve body is sprayed with the non-toxic resin powder coating layer to thoroughly prevent the contact of liquid and metal and secondary pollution. The valve has the characteristics of high temperature resistance, high pressure resistance, corrosion resistance and high tensile strength, is safer in application and flexibility in starting. Moreover, water flow can be completely cut off by the three seals to ensure the service life of the valve.
Owner:RUNLONG MACHINERY DALIAN
Spring relaxation opening valve coincide type fuel gas electric machine magnetic control safety valve
InactiveCN1948793AEnsure safetyEnsure reliabilityOperating means/releasing devices for valvesLift valveElectric machineElectrical polarity
The techanical characteristic of the inventions is that: by using an organic combination of a set of homopolar repulsion main and secondary magnetic steels and springs, the repulsion of the main and secondary magnetic steels can finish closing the valve and the spring tension can finish opening the valve. Because of forming a isolation belt in the magnetic field space between the main and secondary magnetic steels, the motor can be mounted in the totally-enclosed motor case to achieve the goal of separating the motor from gas completely and reliably.
Owner:SHANGHAI JIENENG ENVIRONMENT PROTECTION HIGH TECH
Explosion-proof battery
ActiveCN112002851AReduce weightImprove economyCell temperature controlFire rescueTemperature controlElectrical conductor
The invention provides an explosion-proof battery. The explosion-proof battery comprises: a box body and an explosion-proof box body; a temperature adjusting module connected with the box body and used for adjusting the actual temperature of the box body; a battery module, wherein the first area of the battery module comprises all the electrodes, and the second area of the battery module comprisesall the pressure release valves; a first encapsulation layer which covers the first area, wherein the first opening of the first encapsulation layer corresponds to the pressure release valve to makethe pressure release valve exhaust air through the first opening; and a second encapsulation layer which covers the second area to make the pressure release valve break through the second encapsulation layer during pressure release. According to the invention, the implementation cost and weight of a battery explosion-proof mechanism can be effectively reduced, a temperature control protection mechanism for the box body is realized, the explosion risk possibly caused by over-high temperature in the box body can be effectively avoided, and other exposed conductors except the encapsulated batterymodule are not electrified when an explosive environment appears, so that the contact between an ignition source and explosive gas is blocked in time, and the economy and the explosion-proof controleffect of an explosion-proof mechanism are effectively improved.
Owner:AZURE MINING TECH PTY LTD
Vegetable straw stacking fermentation device and method for vegetable planting
InactiveCN111620731AWell mixedQuality improvementBio-organic fraction processingOrganic fertiliser apparatusAgricultural engineeringOrganic manure
The invention discloses a vegetable straw stacking fermentation device for vegetable planting. The vegetable straw stacking fermentation device comprises a stacking shell, a door plate mechanism, a pressing plate mechanism and a stacking roller mechanism. The door plate mechanism is mounted at the right upper end of the stacking shell; the pressing plate mechanism is mounted on the upper side in the stacking shell; the stacking roller mechanism is mounted at the lower end in the stacking shell; during vegetable straw stacking, dynamic accumulation is carried out by utilizing an outer guide roller and an inner guide roller; vegetable straw is cut off and cut up by utilizing a cutting wheel; then a supporting spring and a vertical pressing plate in the pressing plate mechanism are used for carrying out compaction operation; finally, fermentation liquid is added into the vegetable straw; according to the present invention, the fermentation liquid and the vegetable straw are stirred underthe effects of the outer guide roller and the inner guide roller, so that the fermentation liquid and the vegetable straw are uniformly mixed, and finally the heating fermentation is performed to prepare an organic fertilizer, the contact chance of the stacked and stored vegetable straw and external bacteria or pests is effectively isolated, the stacking fermentation is complete, and the preparedorganic fertilizer has high quality.
Owner:安徽省皖江蔬菜产业技术研究院有限责任公司
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