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325results about How to "Insulate the air" patented technology

Method for preparing magnesia carbon brick non-aluminum antioxidant coating

The invention more particularly relates to a method for preparing magnesia carbon brick non-aluminum antioxidant coating, which has the technical scheme of comprising the steps of: firstly mixing 40-60wt% of boron glass, 5-20wt% of SiC, 20-35wt% of fused quartz, 1-5wt% of MgO, 5-10wt% of CaO and 0.1-0.3% of carboxymethyl cellulose, and additionally adding ludox accounting for 20-40wt% of the mixed material or liquid water glass accounting for 40-60wt% of the mixed material, then additionally adding water accounting for 50-60wt% of the mixed material, carrying ball-milling for 20-40min, and preparing antioxidant paint; then, evenly painting the prepared antioxidant paint on the surface of a magnesia carbon brick, naturally drying and stoving at 110 DEG C; and finally, putting the stoved magnesia carbon brick in a high temperature furnace, heating up to 1150-1250 DEG C, carrying out heat preservation for 20-40min, and preparing the magnesia carbon brick non-aluminum antioxidant coating. The invention has the characteristics of simple technique and low cost, and can be glazed at the temperature range of 500-1200 DEG C; and the prepared magnesia carbon brick non-aluminum antioxidant coating has good anti-oxidation performance.
Owner:WUHAN UNIV OF SCI & TECH

High-efficiency desulfurized active coke analysis tower and analysis method

The invention discloses a high-efficiency desulfurized active coke analysis tower and an analysis method. The analysis tower comprises a material feeding section, a preheating section, a first buffering section, an analysis section, a second buffering section, a cooling section and a material discharging section which are communicated with one another in sequence from top to bottom, wherein the preheating section, the analysis section and the cooling section are all of tube-shell type heat exchange structures; a cooling section gas inlet is formed in the lower part of the cooling section, and a cooling section gas outlet is formed in the upper part of the cooling section and is communicated with an analysis section gas inlet formed in the lower part of the analysis section; an analysis section gas outlet formed in the upper part of the analysis section is communicated with a preheating section gas inlet formed in the lower part of the preheating section; a preheating section gas outlet formed in the upper part of the preheating section is emptied; the first buffering section is provided with a material distribution and gas guide structure and an analysis gas outlet; the analysis gas outlet is connected with an acid preparation system through a fan. The invention also provides an analysis method of the analysis tower. The analysis tower is simple in structure, high in heat exchange efficiency and low in energy consumption; regeneration of desulfurized active coke is realized; furthermore, high-concentration SO2 can be obtained, and recycling of sulfur is realized.
Owner:XIAN TPRI BOILER ENVIRONMENTAL PROTECTION ENG CO LTD +2

Method utilizing micro-channel to prepare tris(2-chloroethyl)phosphite

The invention discloses a method utilizing micro-channel to prepare tris(2-chloroethyl)phosphite. The method comprises the following steps: taking phosphorus trichloride and ethylene oxide as the raw materials, and then carrying out reactions in a micro-channel reaction system composed of a micro-channel reaction device which is formed by coupling a pipeline-type pre-mixer and cooling-medium cooling equipment; and specifically comprises the following steps in sequence: first continuously pumping phosphorus trichloride and ethylene oxide into a pipeline-type pre-mixer to carry out premixing, then introducing the mixture into a micro-channel reaction device, starting the cooling-medium cooling equipment of a micro-channel reaction system, and collecting the effluent liquid from the micro-channel reaction device after the reactions finish, wherein the effluent liquid is tris(2-chloroethyl)phosphite. The method can largely increase the esterification product content, the production efficiency is increased by 500 to 1000 times compared to that of common tank reactor, and the standing time of the esterification products in the reactor is reduced from 110 hours to dozen minutes.
Owner:SHAOXING EASTLAKE HIGH TECH CO LTD

Preparation method of high-performance titanium/steel bimetallic composite plate

The invention discloses a preparation method of a high-performance titanium / steel bimetallic composite plate, and belongs to the technical field of preparation of bimetallic composite plates. A pure titanium slab and a low-carbon steel slab are subjected to annealing treatment, the hardness of the slabs is reduced, and the hardness of the pure titanium slab and the hardness of the low-carbon steelslab are close; then the to-be-composited surfaces of the slabs are cleaned, degreased and ground, wherein the grinding stripe direction is perpendicular to the rolling direction; then the pure titanium slab and the low-carbon steel slab are stacked to obtain a combined slab, the head of the combined slab is riveted, the combined slab is subjected to single-pass cold rolling pre-compounding, andthen heating is carried out; and finally, single-pass hot rolling final compounding is carried out, and the high-performance titanium / steel bimetallic composite plate is obtained. The method is low inequipment requirement, short in process flow, high in production efficiency and low in production cost. The interface bonding strength of the prepared titanium / steel bimetallic composite plate is larger than 230 MPa, the area bonding rate is 100%, and the method is particularly suitable for preparation of high-performance thin titanium / steel bimetallic composite plates or thin-titanium-layer titanium / steel bimetallic composite plates.
Owner:UNIV OF SCI & TECH BEIJING +1

Organosilicon composite material and preparation method thereof

ActiveCN105199398AMaintain high and low temperature resistanceHigh strengthEpoxideLivelihood
The invention discloses an organosilicon composite material and a preparation method thereof. The composite material is prepared from alkylene-containing polysiloxane, hydrogen-containing polysiloxane, epoxide group polysiloxane, a heat-conduction filling material, a hydrosilation catalyst, a reaction inhibitor and the like through mixing and curing. The prepared organosilicon composite material has the characteristics of low content of volatile compounds, resistance to high and low temperature, high heat conduction, light weight, high strength, good cementability, electrical insulating properties, etc., can meet development demands of functional assemblies for large power, microminiaturization, lightweight and high reliability, and is applicable as a badly-needed high-performance heat-conducting insulating material in military fields like aviation, spaceflight and weapons and in fields related to people's livelihood, e.g., an LED illumination system and an electronic circuit integration system.
Owner:HUNAN BOOM NEW MATERIALS

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

Treatment method of oil-containing sludge

The invention discloses a treatment method of oil-containing sludge and belongs to the field of environmental engineering. The treatment method comprises the following steps of: introducing the oil-containing sludge into a separating groove, discharging into a deemulsifying groove for deemulsification after initially separating, and carrying out oil-water-sludge separation on deemulsified productsin an oil-sludge separating device; recovering dirt oil at the upper part, settling sludge-water mixture at the lower part, recovering clear liquor, and carrying out coagulation treatment, settling separation, mechanical dewatering, sludge drying and sludge incineration treatment in sequence on the sludge-water mixture at the bottom part and residual active sludge. Composite deemulsifying agentspreferred by the invention include a polyethylene polyamine blocked polyether deemulsifying agent, a silicon-containing deemulsifying agent, a phenolic-resin deemulsifying agent, an alkylphenol polyoxyethylene ether deemulsifying agent, a polyphosphoester deemulsifying agent or a polyaluminium-chloride deemulsifying agent. The deemulsifying method disclosed by the invention has the beneficial effects that the safe and environment-friendly effects are achieved, the water content of oil sludge can be reduced, most crude oil in the oil sludge can be recovered, and the difficulty of the followingtreatment of the sludge can be reduced.
Owner:YANGZHOU DAYANG WATER SUPPLY EQUIP

Compound xanthophyll soft capsule and preparation method

The invention discloses a compound xanthophyll soft capsule comprising contents and a capsule material, wherein the contents comprise xanthophyll, proanthocyanidins and beta-carotene, and the capsule material comprises raw materials: gelatin, glycerol and water. The xanthophyll in the contents of the compound xanthophyll soft capsule is xanthophyll crystal powder with the purity of 80%-90%, whichis extracted from no-pollution marigolds by refining, saponification and residual solvent removal and has the advantages of high content, no pollution, no extraneous odor, direct absorption by human bodies and the like. The capsule material of the compound xanthophyll soft capsule has no any pigment and preservative, thereby having good safety; and tests prove that the compound xanthophyll soft capsule has good stability, can isolate air and prevent the effective components of the xanthophyll from being oxidized so as to improve the absorption and utilization rate of the human bodies and hasattractive appearance and convenient administration.
Owner:CHENGUANG BIOTECH GRP HANDAN CO LTD

Medical disinfection/sterilization ultrasound couplant and preparation method thereof

The invention belongs to the technical field of a medical ultrasound couplant, and particularly relates to a medical disinfection / sterilization ultrasound couplant and a preparation method thereof. The technical scheme of the invention is as follows: the medical disinfection / sterilization ultrasound couplant is prepared from the following raw materials in percentage by weight: 0.2-0.8% of Carbomer 940, 3-9% of glycerol, 2-10% of ethanol, 0.05-0.4% of ethylparaben, 0.01-0.04% of DPP-300, 0.02-0.06% of chitosan, 0.2-1% of sodium hydroxide and the balance of distilled water. The medical disinfection / sterilization ultrasound couplant provided by the invention has a function of fast sterilization, and the ethylparaben, DPP and chitosan are sterilization bacteriostats. In the invention, the proportion has the functions of saving cost and improving sterilization effect; and the disinfection / sterilization ultrasound couplant causes no stimulus on the skin, further achieves the function of ultrasound disinfection / sterilization and can isolate the air between an ultrasound probe and the skin of a human body, thereby realizing zero decrement in the conduction process of sound waves and acquiring a reliable detection result.
Owner:山东源科生物科技股份有限公司

Repairing method of glass fiber reinforced plastics products

The invention discloses a repairing method of glass fiber reinforced plastics products, which comprises the steps of: 1, judging whether the defect of the glass fiber reinforced plastics products needs artificial expansion, if so, entering the step 2, if not, directly entering the step 3; 2, cutting and scraping the defect position and the peripheral position thereof; 3, alternatively coating the defect by using precast glass fiber reinforced plastics powder and a strong binder until a mixture of the glass fiber reinforced plastics powder and the strong binder is filled fully into the defect; 4, repairing the part of the mixture of the glass fiber reinforced plastics powder and the strong binder, overflowing the defect, to ensure that the outline of the glass fiber reinforced plastics products accords with the design requirement; and 5, coating white oil outside the repaired defect. The repairing method of the glass fiber reinforced plastics products has convenience and rapidness, low repairing cost, high strength and difficult shedding of the repaired defect.
Owner:NINGBO HUAYUAN FRP ELECTRICAL APPLIANCE MFR

Method for preparing vital wheat gluten flour

InactiveCN101444250ASuppress organismsInhibition chemistryWheat glutenWheat flour
The invention relates to a method for preparing vital wheat gluten flour, and belongs to processing methods of edible protein. The method comprises the following steps: a. adding water to wheat flour to be made into flour dough; b. naturally curing and washing the flour dough with the water to obtain a gluten flour clot; and c. freezing and drying the gluten flour clot to obtain the vital wheat gluten flour, wherein, the freezing temperature is minus 5-minus 6 DEG C, and the freezing time is 8-10 hours.
Owner:TIANJIN ZHONGYING HEALTH FOOD

Heat-resistant organic silicon red mark coating for railway vehicles

The invention relates to a heat-resistant organic silicon red mark coating for railway vehicles and belongs to the field of coatings. The coating is prepared by mixing the following materials in percentage by weight: 40-47% of organic silicon resin solution, 20-28% of aluminium powder, 5-15% of talcum powder, 7-9% of red pigment, 10-15% of red pearl powder, 0-2% of fumed silica, 2-2.5% of tetrabutyl titanate, 0.6% of flatting agent and 0.1% of defoaming agent. The prepared coating provided by the invention has the characteristics as follows: simple coating process, long quality guarantee period, room temperature solidifying performance, excellent physical-chemical coating performance and long-term use performance at a temperature of 500 to 600 DEG C, and can satisfy the use requirement that the heat-resistant component of the railway vehicles has effects of caution and mark.
Owner:DALIAN JIAOTONG UNIVERSITY

Medical sterilization ultrasonic coupling agent and preparation method thereof

The invention provides a medical sterilization ultrasonic coupling agent and a preparation method thereof. The coupling agent comprises the following main components by the weight percentage: 0.2-0.6% of p-chlor-m-xylenol, 4-8% of propylene glycol, 4-8% of glycerine, 0.3-1.2% of crosslinking polyacrylic acid resin, 0.2-1.2% of sodium hydroxide, and 80-90% of distilled water; the preparation method thereof comprises the steps: (1) dissolving crosslinking polyacrylic acid resin in distilled water to obtain liquor A; (2) dissolving p-chlor-m-xylenol in propylene glycol to obtain liquor B; (3) mixing and stirring the liquor A and liquor B, neutralizing with sodium hydroxide and adding glycerine to obtain the finished product. The invention not only meets the property and functions of medical sterilization ultrasonic coupling agent, but also has efficient and disinfectant effect and causes an ultrasonic probe to always maintain at the disinfectant state, thus completely solving the problem that the ultrasonic probe can not realize the effective disinfection in short time. The invention reduces the risk of the mutual pathogenic bacteria cross-infection among ultrasonic examinees and is beneficial to the health of people.
Owner:薛海燕

Manufacturing process of high-barrier high-strength four-layer compound packing bag

A manufacturing process of a high-barrier high-strength four-layer compound packing bag comprises the steps of printing, compounding, curing, slitting and bag-making, and particularly comprises the following steps: (1) on the basis of a traditional compound technology, a compound configuration glue is adjusted, dual-component polyurethane glue is used, and 20% of a curing agent is additionally added during glue mixing to enhance the compounding strength; and stirring is performed for 20 min by a stirrer, and standing is performed for 30 min to bring convenience for air foam in the glue to overflow, local pinholes or bubbles, which influence the strength of the packing bag, are avoided; (2) glue injection, feeding, inside and outside examination of raw material corona parts are performed according to normal operation programs in the compounding process, BOP is more than or equal to 50 dyne, PE is more than or equal to 42 dyne, the control tensions of all parts are adjusted, a 110 line gluing rail is used, and the gluing quantity is controlled to be 3.5 g / m<2> to ensure sufficient stripping strength; and (3) the PET / AL speed during compounding of a first layer is smaller than 60 m / min, and the temperatures of four areas of a drying oven is controlled to be 60 DEG C, 70 DEG C, 80 DEG C and 85 DEG C.
Owner:SHANDONG HENGDA BRAND PACKAGE CO LTD

Soaking treatment method for oil repellency and antioxidation of copper net or foamy copper

The invention discloses a soaking treatment method for oil repellency and antioxidation of a copper net or foamy copper. The soaking treatment method comprises the following steps of: soaking the copper net or the foamy copper in a mixed solution including the components of 1.0mol / L-2.0mol / L of hydrochloric acid, 2g / L-5g / L of a surfactant, 1g / L-3g / L of fluorosilane and alcohol in concentration, wherein the water-bath heating temperature is 30 DEG C to 90 DEG C, the soaking time is 5 minutes to 30 minutes; washing the soaked and treated copper net or foamy copper by deionized water, and putting the washed copper net or foamy copper to an oven for curing for 0.5 hour to 1.5 hours under the temperature of 150 DEG C to 250 DEG C; and taking out the cured copper net or foamy copper to obtain the bright oil-repellent anti-oxidant copper net or foamy copper. The soaking treatment method disclosed by the invention can be used for effectively preventing the formation of an oxide layer.
Owner:SOUTHEAST UNIV

Coiling type one-step corrosion preventing and heat preserving operating line of steel pipeline

The invention relates to a coiling type one-step corrosion preventing and heat preserving operating line of a steel pipeline. The coiling type one-step corrosion preventing and heat preserving operating line of the steel pipeline comprises a pipe feeding platform, a conveyor, an intermediate frequency preheating system, an external impeller blasting machine, a dust removal system, an intermediate frequency heating system, an epoxy powder coating system, a water spraying cooling system, a steel pipe temperature conditioning device, a spraying foaming device, a copolymer tape coiling device and an PE belt coiling device; the conveyor forwards pushes the steel pipeline to be processed on the pipe feeding platform; the intermediate frequency preheating system is positioned between the conveyor and the external impeller blasting machine and used for heating and dehumidifying the steel pipeline to be processed. The processing technical devices in the operating line overcomes part of shortages in an one-step operating line of a foam jacket heat preserving pipe in the prior art as well as the shortage of two-step manufacturing of a corrosion preventing and heat preserving pipe in the prior art, and has the advantages of being wide in applicable scope, and high in efficiency.
Owner:QINGDAO DACANG CORROSION PREVENTION CO LTD

Oil surface spreading agent

The invention discloses an oil surface spreading agent containing a fluorine containing surfactant, a hydrocarbon surfactant, an additive and water, wherein the fluorine containing surfactant is a combination of an anionic-type fluorine containing surfactant and a non-ionic or a cationic-type fluorine containing surfactant, and the anionic-type fluorine containing surfactant is an ammonium salt of hexafluoropropylene oxide oligomer, the non-ionic fluorine containing surfactant is a condensation product of the hexafluoropropylene oxide oligomer and a polyol polymer or polyoxyethylene polyoxypropylene ether, the cationic-type fluorine containing surfactant is a quaternary ammonium salt obtained by reacting an amide with methyl iodide, wherein the amide is prepared by concentration of the hexafluoropropylene oxide oligomer and a propane diamine compound; and in the oil surface spreading agent, the anionic-type fluorine containing surfactant concentration is 0.01w% ~ 10.0w%, the non-ionic or the cationic-type hydrocarbon surfactant concentration is 0.01w% ~ 5.0w%, the hydrocarbon surfactant concentration is 0.01w% ~ 20.0w% and the additive concentration is 0.00w% ~ 25.0w%.
Owner:菏泽建数智能科技有限公司

High-strength and high-toughness flame retardant and smoke suppressing PVC wood-plastic foaming composite building template and preparation method thereof

The invention discloses a high-strength and high-toughness flame retardant and smoke suppressing PVC wood-plastic foaming composite building template and a preparation method thereof. The high-strength and high-toughness flame retardant and smoke suppressing PVC wood-plastic foaming composite building template is prepared from PVC resin, an organic filler, a flame retardant, a coupling agent, a foaming agent, a foaming adjuster, a composite stabilizer, a lubricant, a plasticizer, a processing modifier, a flexibilizer MBS resin and an ultraviolet absorbent. By the adoption of the MBS flexibilizer, the impact strength of a product is enhanced, and the compatibility and the processability of the product are further improved. The high-strength and high-toughness flame retardant and smoke suppressing PVC wood-plastic foaming composite building template is prepared by a one-time forming process which is simple and feasible; an experiment shows that the performance of the prepared high-strength and high-toughness flame retardant and smoke suppressing PVC wood-plastic foaming composite building template is much higher than that required by a common building template, can meet the standard of grade I in China on wood-plastic building templates, and can be recycled for 30 times, and wastes can be recycled and remolded to achieve the effects of recycling and zero loss; furthermore, the requirements on energy conservation and environment protection in China are met, and the PVC wood-plastic foaming composite building template has considerable economical benefits.
Owner:蒙城县欣瑞特建材有限公司

Method for preparing vinylene carbonate through micro channel reaction

ActiveCN106749155AFully contactedHigh reaction mass transfer and heat release efficiencyOrganic chemistrySecondary cellsEngineeringEthyl Chloride
The invention provides a method for preparing vinylene carbonate through micro channel reaction. The method comprises the following steps: (1) preparing equipment, including an enhanced mass transfer micro channel reactor, a metering pump I, a metering pump II and a micro filter, wherein the enhanced mass transfer micro channel reactor comprises a preheater I, a preheater II, an ultrasonic device and a micro channel module; (2) uniformly mixing chloroethylene carbonate with an ester solvent so as to obtain a mixed liquid, synchronously inputting the preheated mixed liquid and triethylamine into a micro channel, heating, mixing, performing reaction, discharging a product obtained after the reaction is completed from a discharge valve, filtering so as to obtain a crude product, and rectifying the crude product into a rectifying still, so as to obtain the vinylene carbonate, wherein the mole ratio of the chloroethylene carbonate to the triethylamine is 1:(1.5-2.0). The method is simple, convenient and safe to operate, relatively small in quantity of byproducts, small in single solvent consumption, low in moisture content, relatively high in product purity and yield, small in environment pollution and applicable to industrial large-scale production, and continuous production can be achieved.
Owner:江苏瀚康新材料有限公司

Cyclic ink supply system

The invention discloses a cyclic ink supply system, and relates to the technical field of printing. The cyclic ink supply system comprises an ink supply box and an ink feed box. The ink supply box and the ink feed box are communicated through an ink feed pipe. A return pipe is also arranged between the ink supply box and the ink feed box. The cavity of the ink supply box is divided into an ink storing slot and an ink adding slot. A communicating pipe is arranged between the ink storing slot and the ink adding slot. The ink storing slot is internally provided with a stirring device. The ink adding slot is internally provided with an ink supply device. Ink precipitation and separation can be effectively avoided so that the ink component is ensured to be uniform and consistent, printing aberration can be reduced and the quality and the effect of the printing product can be enhanced.
Owner:HEBEI BAISHA TOBACCO

Preparation method of macromolecule water-absorbent resin fire extinguishing agent

The invention discloses a preparation method of macromolecule water-absorbent resin fire extinguishing agent. The preparation method comprises the following steps: preparing NaOH aqueous solution; carrying out neutralization reaction with the prepared NaOH aqueous solution and acrylic acid; and carrying out graft copolymerization reaction, and solidifying, drying and crushing to prepare a product of which the water absorbent rate is more than 500g / g. According to the preparation method of macromolecule water-absorbent resin fire extinguishing agent disclosed by the invention, the product is polymerized in one step; baking and drying are not required; the process procedure is shortened; the production period is short; the cost is low; the three wastes cannot be generated during production process; and the product is pollution-free to the environment, safe and environment-friendly. The fire extinguishing agent product prepared according to the method is high in specific heat capacity, large in evaporation heat amount, nonflammable and strong in water storage capacity, so that the product has the advantages of fast fire extinguishing speed, low price, convenient operation and the like.
Owner:QINGDAO XINYAODI AGRI TECH CO LTD

Impact testing device for battery pack

ActiveCN106323577AAvoid influenceEffective fire extinguishing treatmentShock testingElectrical batteryPower apparatus
The present invention relates to an impact testing device for a battery pack. The device comprises a collision barrier used for placing the battery pack, a movable sliding table with an impact head, a hydraulic power device used for pushing the movable sliding table to slide, and a monitoring device in communication connection with a sensor inside the battery pack. The movable sliding table is positioned between the hydraulic power device and the collision barrier. The impact head of the movable sliding table is oriented towards a support assembly for placing the battery pack and positioned on the side surface of the collision barrier. The monitoring device controls the starting and the stopping of the hydraulic power device. The device further comprises a solution tank positioned right below the support assembly and used for the fire extinguishing of the battery pack. The monitoring device also controls the support assembly to release the battery pack so as to enable the battery pack to fall into the solution tank. According to the technical scheme of the invention, the fire extinguishing problem of the battery pack during the impact test in the prior art can be solved.
Owner:深蓝汽车科技有限公司

Fireproof paint, preparation method of fireproof paint and flame screen containing fireproof paint

The invention discloses a fireproof paint, a flame screen containing the fireproof paint and a preparation method of the fireproof paint. The fireproof paint is prepared from the following raw materials in parts by weight: 30 to 40 parts of dehydration catalyst, 15 to 25 parts of carbonization agent, 30 to 35 parts of foaming agent and 60 to 70 parts of binding agent. According to the flame screen, a porous metal plate or a metal wire mesh structure is utilized as a base layer, the areal density is 1 to 6.0kg / m<2>, the diameter of each mesh is 6.0 to 150.0mm, and the surface of the base layer of the flame screen is coated by the fireproof paint. In a normal use state of the flame screen, air can freely circulate among meshes of the flame screen; when fire happens, a fireproof coating on the flame screen is heated to expand to form thermal-insulation fireproof paint to plug the meshes of the flame screen, heat and smoke are prevented from freely circulating in a breathing cavity of a curtain wall, and the fire is prevented from expanding horizontally or vertically. The flame screen can be widely applied to the places needing fire protection and requiring ventilation of electric power, metallurgy, petrifaction, chemical engineering, buildings and the like.
Owner:应急管理部四川消防研究所

Aviation engine blade forging method and die

The invention provides an aviation engine blade forging method and a die. The aviation engine blade forging method comprises the following steps that firstly, a blank is discharged; secondly, a glasslubricant is sprayed to the surface of the blank; thirdly, the blank is heated to the recrystallization temperature or above, and the temperature is kept; fourthly, the blank is put into a preheated extrusion cavity of the die, rod extruding is carried out, and an extrusion rod piece is obtained; fifthly, after rod extruding is completed, the extrusion rod piece is put into a heading cavity of thedie within 4 s-6 s, heading is carried out, and a heading piece is obtained; sixthly, after heading is completed, the heading piece is put into a finish forging cavity of the die within 4 s-6 s, final forging is carried out, and a blade is obtained. Due to the fact that the extrusion cavity, the heading cavity and the finish forging cavity are formed in the same die, the time interval between rodextruding and heading and the time interval between the heading and the finish forging are extremely short, the temperature of the extrusion rod piece and the temperature of the heading piece are reduced limitedly, and in the whole forging process, only one time of heating is needed for the blank.
Owner:CHINA HANGFA SOUTH IND CO LTD

Embedded leakage-proof joint

The invention discloses an embedded leakage-proof joint which comprises a joint body, a lower eccentric correction piece, a leakage grate, a grate protection cover, an upper eccentric correction piece and a transverse pipe connection three-way piece. The lower end of the joint body is provided with a lower vertical pipe connector. Multiple fixing feet are fixedly connected to the outer circumference of the bottom of the joint body. An upper connector is arranged at the upper end of the joint body. The lower eccentric correction piece is arranged in the upper connector. The leakage grate is of a crescent structure and arranged in a sealed cavity. The grate protection cover is arranged on the leakage grate. The upper eccentric correction piece penetrates the grate protection cover and a center hole in the leakage grate and is connected with the lower eccentric correction piece. The transverse pipe connection three-way piece is composed of a lower vertical pipe connection opening, a transverse pipe connection opening and an upper vertical pipe connection opening. The embedded leakage-proof joint is reasonable in structure and has the mounting position error adjustment function, the leakage water drainage function and the water seal function, and the mounting effect and the leakage-proof effect are improved.
Owner:浙江中财管道科技股份有限公司

Quantum dot interlayer CSP backlight with luminescence of five surfaces and manufacturing method thereof

The present invention provides a five-sided light-emitting quantum dot interlayer CSP backlight, including a light-emitting flip chip, and an inner transparent glue layer wrapped around the upper end and the periphery of the flip chip, and the inner transparent glue layer is wrapped with quantum dots A glue layer, the quantum dot glue layer is wrapped with an outer transparent glue layer; the quantum dot glue layer is formed by curing the encapsulation glue dissolved with the quantum dot phosphor powder. The quantum dot glue layer of the CSP backlight provided by the invention has a low working temperature, which reduces the temperature decay of the quantum dot powder; when driven by the same current, the CSP adopts a high-power flip chip to generate lower heat than traditional lamp beads.
Owner:ANHUI COREACH TECH

Making method of spicy fermented bean curds

The invention discloses a making method of spicy fermented bean curds. According to the making method of the spicy fermented bean curds, provided by the invention, plaster, brine and lactone are not used for making the fermented bean curds, but alkekengy is used for curdling, so that bean curds which are made by using the alkekengy for curdling are delicious in taste; besides, formed bean curd blocks and turmeric are cooked together, so that the cooked bean curd blocks are bright yellow in color, have slight elasticity, are soft, crisp and slightly tenacious, are unique in flavor, and are good in mouth feel; when the bean curd blocks are preserved, various seasonings are matched, so that the preserved bean curd blocks have the advantages of being sufficient in palatable taste, strong in fragrance and moderate in spicy taste; besides, edible sesame is used for sealing the preserved fermented bean curds so as to separate the preserved fermented bean curds from air, therefore, the fermented bean curds are prevented from oxidative deterioration, and the quality guarantee period is prolonged. The spicy fermented bean curds made by the making method provided by the invention are rich in protein, carbohydrate, unsaturated fat acid, various mineral substances, multivitamins and the like, have the efficacies of invigorating the spleen, moistening dryness and the like, and are deeply loved by the public.
Owner:XUANWEI XINGXIANG FOOD CO LTD

Multi-position radio-frequency digital recognition pallet

A multiaspect RF recognized and read pallet is composed of a pallet with multiple insertion slots at its different positions and an electronic label in which the information about the good on said pallet, such as mane, transport path, etc, is stored in or read out by RF. Said electronic label can be inserted in the slot on pallet.
Owner:薄振东 +1

Flame-retardant fireproof wire and cable material and preparation method thereof

The invention belongs to the technical field of wires and cables and discloses a flame-retardant fireproof wire and cable material and a preparation method thereof. The flame-retardant fireproof wireand cable material is prepared from polypropylene resin, modified acrylic resin, methyl vinyl silicon rubber, tributyl citrate, nano silicon dioxide, dicumyl peroxide, platinic hydroxide, polyimide, zinc stearate, a silane coupling agent, white carbon black, an anti-aging agent and an accelerant, wherein a weight ratio of nano silicon dioxide to dicumyl peroxide to platinic hydroxide is (2.2-5.8):(1.5-3.6):(0.5-1.2). By adoption of a reinforcing system formed by nano silicon dioxide, dicumyl peroxide and platinic hydroxide, heat resistance and flame retardation of the flame-retardant fireproofwire and cable material are improved.
Owner:长沙浩然医疗科技有限公司

High-fluidity lubricant for metal drawing and application thereof

The invention relates to the technical field of metal forming and processing, and discloses a high-fluidity lubricant for metal drawing and application of the lubricant, aiming at solving the problemsof poor film-forming property and poor fluidity of a metal drawing lubricant in the prior art. The cutting fluid comprises the following components in percentage by weight: 60-65% of natural fatty acid salt, 2-4% of extreme pressure agent, 1-3% of antirust agent, 0.5-1% of chelating agent, 0.1-1% of preservative, 0.5-1% of surfactant and 3-5% of film-forming agent, and the balanced being water. The invention discloses a newly developed environment-friendly low-consumption lubricant for steel pipe drawing, which has favorable lubricating property, higher flowability and film-forming property,can better adapt to high-speed drawing and isolate air, achieves favorable antirust action and friction reduction action, and is simple in processing procedure.
Owner:江西腾达材料发展有限责任公司
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