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79results about How to "Reduce direct damage" patented technology
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Pipeline inner wall rust removal device
ActiveCN104723223AAvoid pollutionReduce direct damageGrinding machinesAbrasive machine appurtenancesPneumatic motorPollution
The invention discloses a pipeline inner wall rust removal device, belonging to the technical field of polishing units. The device comprises a first end cover and a second end cover which are hermetically installed at two ends of the pipeline, a rust removal trolley is arranged in the pipeline, the dust removal trolley comprises a pneumatic motor with dual output shafts, a shell of the pneumatic motor is provided with a plurality of support shafts, the end part of each support shaft is provided with a roller wheel, a grinding disc is fixedly installed on the output shaft of the pneumatic motor, close to the first end cover, and is provided with a plurality of support rods in the radial direction, the end part of each support rod is provided with an abrasive disc, the output shaft of the pneumatic motor, close to the second end cover, is connected with a shot-blasting machine in a transmission manner; the end part of the grinding disc is connected with a traction rope, the traction rope extends out of the first end cover, one end of the shot-blasting machine, close to the second end cover, is connected with a shot feeding pipe, the pneumatic motor is connected with a gas inlet pipe, the shot feeding pipe and the gas inlet pipe extend out of the second end cover. The pipeline inner wall rust removal device can be used for solving the technical problems that the pipeline inner wall is serious in rust removal pollution and the rust removal effect is poor, and can be widely applied to pipeline cleaning.
Owner:SHANGHAI HONGPU STEEL STRUCTURE ENG
Typhoon prevention device
InactiveCN104847164AReduce direct damageLow costFencingProtective buildings/sheltersEngineeringTyphoon
A typhoon prevention device comprises wind screens. Each wind screen comprises a framework and a plurality of blades. The plurality of blades are installed in the corresponding framework obliquely; the plurality of blades are arrayed in sequence; an interval is arranged between every two adjacent blades; each framework is fixed to the ground. The typhoon prevention device also comprises a supporting structure. The supporting structure comprises stand columns and a wirerope mesh. The stand columns are fixed to the ground through bases; the wirerope mesh is arranged among the stand columns; a plurality of the wind screens are fixed to the wirerope mesh; the lower ends of the wind screens are fixed to the ground; every two adjacent wind screens are fixed together. The typhoon prevention device has the beneficial effects that the rotatable blades fulfill the function of changing the wind direction when the typhoon comes, so that direct damage brought by the typhoon is reduced, in the absence of the typhoon, the blades are rotated to change the direction, thus the effect of normal ventilation is achieved, the structure is simple, thus manufacturing or building is easy, the typhoon prevention device can be used for a long time and can prevent multiple typhoons after being built once, and no repeated investment is needed.
Owner:黄思颖
A kind of preparation method of ion membrane electrode for pure water electrolysis
InactiveCN102260877ASimple preparation processEasy to useCellsElectrodesPtru catalystElectrolysed water
The invention relates to a preparation method of an ion membrane electrode for pure water electrolysis, belonging to the technical field of hydrogen production by water electrolysis. The preparation method comprises the following steps: separately preparing a cathode catalyst solution and an anode catalyst solution from a cathode catalyst, an anode catalyst, a Nafion solution, isopropyl alcohol, glycerol and distilled water; separately applying the cathode catalyst solution and the anode catalyst solution on two transfer-printing templates, and drying the templates at the temperature of 80-130 DEG C in vacuum; and fixing the two dried transfer-printing templates on both sides of an ion membrane, treating at the temperature of 130-190 DEG C and the pressure of 6 MPa for 2-5 minutes, cooling to room temperature while maintaining the pressure at 6 MPa, peeling off the transfer-printing templates, placing the templates in an oven and treating in vacuum at the temperature of 70-110 DEG C for 1 hour. By using the transfer-printing templates in the preparation method, under the premise of ensuring the combination firmness degree of the ion membrane and the catalyst layer, the direct damage to the ion membrane is reduced, thereby the service life of the membrane electrode is prolonged, the energy consumption is lowered, the electrolysis efficiency is improved, the preparation time is shortened and the production cost is reduced.
Owner:SHANDONG SAIKESAISI HYDROGEN ENERGY
New technique for extracting D-glucosamine hydrochloride
ActiveCN101671374ANo emissionsAvoid pollutionSugar derivativesSugar derivatives preparationGeneration rateFiltration
A new technique for extracting D-glucosamine hydrochloride comprises steps of hydrochloric acid hydrolyzation, devitrification, filtration, re-devitrification and re-filtration after concentrating thefiltrate, semi-product decoloration, destaining solution re-crystallization and refinery, and the like. The technique adopts full closed type closed loop cycle operation, discharges no waste liquid or acid mist, remarkably relieves direct harm of hydrochloric acid waste gas on operating workers, and is clean and environment-friendly. During hydrolyzation, acid solution is heated, afterwards chitosan is added in succession, the hydrolyzation adopts sectional heating method, adds a low temperature reaction stage, effectively reduces coking, and improves product yield. In the reaction process, N2 protection is adopted, the moisture during hydrolyzation is subject to steam stripping, thus avoiding incomplete reaction of hydrolyzation and low yield due to reduced hydrochloric acid concentration caused by high water content in the raw materials. N2 protection facilitates the reactions to be smooth and fast and reduces generation rate of side reaction, thus the quality of the product is morepure.
Owner:JIANGSU AOXIN BIOTECHNOLOGY CO LTD
Press-snorting type heating cigarette smoking set
The invention relates to a press-snorting type heating cigarette smoking set which comprises a braking type heating device and a press type smoke jetting device. The braking type heating device heats cigarettes in a heat radiation mode. The press type smoke jetting device drives a relevant mechanism to compress smoke by pressing a piston support by a user and jets out compressed smoke from a smoke outlet for enjoying of a user. The complicated smoke channel design of a traditional electric heating cigarette smoking set is avoided, local cigarette overheating is avoided, and direct contact between the user mouth and a cigarette holder is also avoided.
Owner:CHINA TOBACCO YUNNAN IND
Slow-release regulating agent for preventing rumen acidosis and preparation method thereof
ActiveCN102068454AImprove fermentation functionPromote repairOrganic active ingredientsHeavy metal active ingredientsSodium bicarbonateVolatile fatty acids
The invention discloses a slow-release regulating agent for preventing rumen acidosis and a preparation method thereof, which relate to the field of scientific nutrition of animals. The slow-release regulating agent comprises the following raw material components by gram: 0.3 to 0.5 gram of sodium bicarbonate, 0.15 to 0.17 gram of magnesium oxide, 0.01 to 0.03 gram of nicotinic acid, 0.01 to 0.03 gram of cobaltous sulfate, 0.01 to 0.03 gram of zinc sulfate, 0.01 to 0.03 gram of hydroxypropyl methyl cellulose and 0.3 to 1.5 gram of starch. The preparation method comprises the following preparation steps of: 1. sieving the sodium bicarbonate, the magnesium oxide, the nicotinic acid, the cobaltous sulfate and the zinc sulfate; 2. uniformly mixing the sieved components and an appropriate amount of starch; 3. adding an appropriate amount of absolute ethyl alcohol and stirring for pelletizing; 4. drying and weighing; 5. adding the sodium bicarbonate and mixing uniformly; and 6. calculating tablet weight and tableting. With the invention, the conventional method in which excessive volatile fatty acid produced in a rumen is neutralized by directly filling sodium bicarbonate or adding magnesium oxide is changed. Rumen acidosis is prevented, the treatment effect on rumen acidosis is enhanced, and direct damages to the rumen membranes of ruminants and microbial floras in rumens are reduced.
Owner:SICHUAN AGRI UNIV +2
Vacuum injection machine for tree trunks
Disclosed is a vacuum injection machine for tree trunks. The injection machine comprises an injection gun and an injection needle. A gun nozzle, a gun body and a gun handle of the injection gun are in an integrated structure, an injection hole is opened in the injection nozzle and communicated with a piston cavity in the gun body, a piston rod is arranged in the piston cavity, a tail end of the piston rod stretching out of the gun body is connected with an operation rod, the piston cavity is further communicated with a liquid medicine storage device above the gun body, the gun nozzle and the gun body incline downward for 30 degrees to 45 degrees along a horizontal direction, and a vertical pipeline communicated with the piston cavity is arranged on the upper portion of the gun body and connected with the liquid medicine storage device. A one-way valve in the prior art is omitted by inclining the gun nozzle and the gun body downward for a certain angle along the horizontal direction; residual air in a tree hole and the injection gun body is discharged into the liquid medicine storage device through the vertical pipeline in the piston cavity; and accordingly, vacuum injection is achieved, injection resistance is effectively reduced, trunk injection efficiency is improved, and physical damages to trunk transfusion tissues are avoided.
Owner:YIXING JINPENG NANO MATERIAL CO LTD
Novel air impermeability detecting sealing plug
InactiveCN108827541AReduce direct damageIncreased seal contact areaMeasurement of fluid loss/gain rateRubber ringEngineering
The invention discloses a novel air impermeability detecting sealing plug which comprises a plug housing, a plug piston, a plug piston rod, a sealing rubber ring and a sealing ventilation joint. A cavity with a sealed end is formed by the plug housing and a plug sealing cover. The sealing ventilation joint introduces a gas into a rod cavity in order that the plug piston and the plug piston rod push the sealing rubber ring. The sealing rubber ring is deformed in the radial direction so as to cover and seal the outer wall of a pipe opening and seal the open end of the plug housing. Thus, the opening of a pipe body to be tested is wrapped in the sealing cavity formed by a sealing plug, thereby greatly reducing the direct damage of a pipe opening component to a sealing component and prolongingthe service life of the sealing component.
Owner:WISDRI WUHAN AUTOMATION
Inspection well
InactiveCN102605803AHigh compressive strengthAvoid direct forceArtificial islandsUnderwater structuresSludgeEngineering
The invention relates to an inspection well, in particular relates to an inspection well for maintaining a pipeline and removing sludge. The inspection well belongs to the field of municipal engineering and solves the problems of low compression strength, easiness for leakage and large construction difficulty of the conventional inspection well. The inspection well comprises a well cover and a base, wherein the well cover is nested on the base; and a well opening is arranged at the middle of the base. The inspection well further comprises a retainer ring, a well cylinder and a bearing pipe; the well cylinder is a corrugated pipe made of metal; the bearing pipe is another corrugated pipe made of the metal; zinc plated layers are respectively arranged on the inner wall surface and the outer wall surface of the well cylinder and the inner wall surface and the outer wall surface of the bearing tube; the retainer ring is sleeved on the well cylinder; the base is arranged on the upper end surface of the retainer ring; the well opening and the well cylinder are coaxially arranged; a connection hole is formed on the pipe wall of the bearing pipe; the lower end of the well cylinder is arranged on the connection hole of the bearing tube; the well cylinder and the bearing pipe are integrally manufactured; and tube openings at both ends of the bearing tube are detachably connected with a pipeline which is pre-embedded under the ground. The inspection well is used for drainage pipelines in the municipal engineering.
Owner:HARBIN GOLDEN SUNSHINE PIPE IND
A Nerve Block Device Facilitating Ultrasound Guidance
ActiveCN104189973BReduce direct damageNot easy to damageInfusion syringesOrgan movement/changes detectionConvex structureLong axis
An ultrasound-guided nerve block device is composed of a hollow sleeve, a hollow needle core is arranged in the sleeve tube, a needle point is provided on the top of the needle core, the needle point protrudes from the top of the sleeve tube, and a needle point is provided on the inclined surface of the needle point. The micro-tooth structure has a concave-convex structure on the outer surface of the needle core close to the needle tip. There are multiple side holes on the side wall of the front end of the cannula. Several holes parallel to the long axis of the cannula are embedded in the cannula to enhance ultrasonic imaging. effect, X-ray-proof material, a rubber plunger is arranged in the tail end of the casing, and a side pipe is also arranged at the tail end of the casing, and the side pipe is arranged at the front end of the rubber plunger, and the side pipe and the casing connected. The present invention can complete continuous peripheral nerve block under the guidance of ultrasound, wherein the ring surface of the needle point is in a jagged structure, and the outer surface of the needle core is provided with a concave-convex structure, which can enhance the effect of light reflection and development, and can be used under the guidance of ultrasound. Developing, simple operation, higher accuracy, less prone to nerve damage.
Owner:HENAN TUOREN MEDICAL DEVICE GRP
Roaster with automatic feeding and discharging mechanism
PendingCN111678343AMeet the sealing performanceImprove sealingCharge supportsCharge manipulationStructural engineeringMechanical engineering
Owner:德亚炉业科技江苏有限公司
Nerve blocking device using ultrasonic guide
ActiveCN104189973AReduce direct damageNot easy to damageInfusion syringesOrgan movement/changes detectionConvex structureLong axis
A nerve blocking device using ultrasonic guide comprises a hollow bush. A hollow needle core is disposed in the bush. A needle tip is disposed at the top end of the needle core. The needle tip extends out of the top end of the bush. A micro-tooth-shaped structure is disposed on the slope of the needle tip. The outer surface, close to the needle tip, of the needle core is provided with a concave-convex structure. A plurality of lateral holes are formed in the lateral wall of the front end of the bush. A plurality of materials which are parallel with the long axis of the bush, can intensify ultrasonic development effect and are X-ray-tight are embedded into the bush. A rubber plunger is disposed in the tail end of the bush. A lateral tube is further arranged at the tail end of the bush. The lateral tube is disposed at the front end of the rubber plunger. The lateral tube is communicated with the bush. The nerve blocking device has the advantages that continuous peripheral nerve blocking can be completed under ultrasonic guide, reflecting development effects can be enhanced by the zigzag structure of the annular surface of the needle core tip and the concave-convex structure on the outer surface of the needle core, development under ultrasonic guide can be achieved, and the nerve blocking device is simple to operate, high in accuracy and less prone to nerve damage.
Owner:HENAN TUOREN MEDICAL DEVICE GRP
A kind of pipeline inner wall derusting device
ActiveCN104723223BAvoid pollutionReduce direct damageGrinding machinesAbrasive machine appurtenancesEngineeringPneumatic motor
The invention discloses a pipeline inner wall rust removal device, belonging to the technical field of polishing units. The device comprises a first end cover and a second end cover which are hermetically installed at two ends of the pipeline, a rust removal trolley is arranged in the pipeline, the dust removal trolley comprises a pneumatic motor with dual output shafts, a shell of the pneumatic motor is provided with a plurality of support shafts, the end part of each support shaft is provided with a roller wheel, a grinding disc is fixedly installed on the output shaft of the pneumatic motor, close to the first end cover, and is provided with a plurality of support rods in the radial direction, the end part of each support rod is provided with an abrasive disc, the output shaft of the pneumatic motor, close to the second end cover, is connected with a shot-blasting machine in a transmission manner; the end part of the grinding disc is connected with a traction rope, the traction rope extends out of the first end cover, one end of the shot-blasting machine, close to the second end cover, is connected with a shot feeding pipe, the pneumatic motor is connected with a gas inlet pipe, the shot feeding pipe and the gas inlet pipe extend out of the second end cover. The pipeline inner wall rust removal device can be used for solving the technical problems that the pipeline inner wall is serious in rust removal pollution and the rust removal effect is poor, and can be widely applied to pipeline cleaning.
Owner:SHANGHAI HONGPU STEEL STRUCTURE ENG
Press type air injection device
ActiveCN106263038AOmit designDifficult to processTobacco devicesHeating element shapesFlue gasEngineering
The invention relates to a press type air injection device, comprising the following components: a piston bracket (2), a spout seat (12), and a sealed permanent seat (14). By use of the press type air injection device, a user presses the piston bracket to drive a related mechanism to compress flue gas and enable the compressed flue gas to be injected out of a gas outlet for enjoyment by nasal absorption of the user.
Owner:CHINA TOBACCO YUNNAN IND
Method for producing ferric trichloride solution through industrial automatic control
InactiveCN108017093AReduce direct contactPlay a protective effectIron halidesAutomatic controlEngineering
The invention discloses a method for producing a ferric trichloride solution through industrial automatic control. The method comprises the following steps of S1, pumping waste hydrochloric acid, generated after steel pickling, into a plate-and-frame filter press through a sealed pipeline, and filtering; S2, feeding filtered waste hydrochloric acid and excessive scrap iron into a reaction tank, and carrying out replacement reaction; S3, adding a ferrous chloride solution subjected to replacement reaction in the step S2 and quantitative scrap iron into a filler absorption tower, and feeding chlorine for carrying out chlorination reaction; S4, filtering the solution subjected to reaction in the step S3, thus obtaining the ferric trichloride solution. The method for producing the ferric trichloride solution through industrial automatic control, provided by the invention, has the advantages that an automatic chlorine feeding method is directly used, so that the method has the advantages oflow production pollution, simple operation, and benefit to reducing direct contact of people and chemical raw materials, has a role in protecting workers and an environment, is a promising hazardouswaste treatment process, and helps to solve troubles of a steel pickling industry.
Owner:张家港洁利环保科技有限公司
Curtain-like anti-typhoon apparatus
InactiveCN105041027AReduce direct damageLow costClimate change adaptationProtective buildings/sheltersEngineeringTyphoon
A curtain-like anti-typhoon apparatus comprises a support structure and wind-proof curtains, and the wind-proof curtain is mounted on the support structure. The support structure is composed of columns and transverse beams, the columns are fixed on the ground, and the transverse beams are fixed on tops of the columns. Each transverse beam is provided with a track, the track is provided with hooks having wheels, the top of each wind-proof curtain is fixed on the hooks having wheels, and two sides of each wind proof curtain are fixed to the columns. Reinforcing wirerope nets are disposed between the columns. Sunshade nets are used as the wind proof curtains. The curtain like anti-typhoon apparatus is mounted at the periphery of or in an economic crop plantation, or the curtain like anti-typhoon apparatus is mounted at the periphery of expensive equipment, facilities or buildings. The wind proof curtain is unfolding when typhoon is coming, direct damage caused by the typhoon can be reduced, and the wind proof curtain is packed up without typhoon, normal ventilation can be achieved. The curtain-like anti-typhoon apparatus is simple in structure, easy to manufacture or construct, can be used for a long term, and the curtain-like anti-typhoon apparatus can be used for resisting multiple typhoons after construction once without repetitive investment.
Owner:黄思颖
Attapulgite shaving cream
InactiveCN101401772ABroad-spectrum antibacterialUse low concentrationCosmetic preparationsHair removalSulfonateShaving cream
The invention discloses an attapulgite shaving cream, which adopts the technical proposal that the attapulgite shaving cream consists of modified cream attapulgite clay, stearate, coconut oil acyl ethoxyl sodium sulfonate, sodium dodecyl sulfate, citric acid, mint camphor, nipagin methyl ester, nipagin propyl ester and deionized water. A preparation method for the attapulgite shaving cream comprises the following steps: making slurry, treating with sodium, blending, pulping, grinding, stirring at high speed, emulsifying and canning to produce the finished product of the attapulgite shaving cream. The modified cream attapulgite clay can attach to the surface of the skin well, increases the contact area with the beard, is not easy to dry, has no stimulus, does not cause allergic reaction of the skin, and improves the use effect of the shaving cream. The attapulgite shaving cream has the advantages that the attapulgite shaving cream has good hand feeling, mild performance and rich foam, can soften the beard, clean the skin and smooth the skin, and is suitable for shaving beard and fine hair.
Owner:江苏佰腾科技有限公司
Preparation method of silicosis mouse models
The invention relates to a preparation method of silicosis mouse models. The preparation method of the silicosis mouse models is characterized in that after experiment preparation, isoflurane in an anesthesia machine is adopted to anesthetize mice in a model group, 3 seconds after rapid-shallow breaths of the mice become deep and slow, each mouse is taken out and placed at the center of a palm, the tip of a thumb presses against the underjaw of each mouse, a micropipette is adopted to instill a SiO2 micro-sized particle suspension through the nose of each mouse, the SiO2 micro-sized particle suspension is instilled into the nose wings to be absorbed, closed-chest massage is conducted for 2-3 minutes, then the mice are placed into cages, and after an experiment is finished, the mice are sent back to a normal-temperature animal feed room; only normal saline of the same volume is used for conducting nasal inhalation on mice in a contrast group; weight indexes of the mice are obtained before and after the experiment, the mice are killed at the first week, the second week, the fourth week, the eighth week and the sixteenth week respectively, lung tissue is taken to be pathologically andbiochemically compared and identified, and a model preparation effect is evaluated. According to the preparation method of the silicosis mouse models, a model production technology is stable and efficient; the method can be repeated many times and is noninvasive, environmentally friendly and humanistic, and labor and time are saved.
Owner:ANHUI UNIV OF SCI & TECH
Chicken feed and method for processing eggs with Chinese medicinal tincture
InactiveCN101904414AReduce direct damageStrong bodyCosmetic preparationsToilet preparationsSide effectGleditsia
The invention relates to a chicken feed and a method for processing eggs with a Chinese medicinal tincture. The chicken feed is prepared from sealwort, cordyceps sinensis, ginseng, tuber onion seed, liriope, Chinese violet, maggot pupas, lithospermum, barbary wolfberry fruit, concentrates, wheat bran, shell and corn through proportionally pulverizing and mixing. The tincture for processing the eggs is prepared by processing wrinkled giant hyssop, dark plum pulp, gleditsia officinalis, spikenard, rhizoma kaempferiae, horsetail, mongolian snakegourd roots, chinaroot greenbrier rhizome and liriope with alcohol. The eggs produced by hens fed with the chicken feed are placed in a container, and can be eaten by adding the tincture for processing. Both chicken and eggs have higher medical values by feeding with the chicken feed, and the chicken feed has no toxic and side effects; and the produced eggs are soaked by the tincture prepared from the Chinese herbs, therefore, the high-quality nourishing eggs also have the efficacies of activating skin cells, removing skin spots and moisturizing the skin.
Owner:李笑银
Durable cable body wound with spiral bar adhesive tapes and manufacturing method of cable body
ActiveCN102995559AExtended service lifeAvoid direct exposureBridge structural detailsHigh densityAdhesive
The invention discloses a durable cable body wound with spiral bar adhesive tapes. A manufacturing method of the durable cable body comprises the following steps of: winding a steel wire bundle into a bundle by a wrapping tape, and carrying out hot extrusion on high-density polyethylene to form a high-density polyethylene sheath; fitting a layer of spiral bar adhesive tapes on the exterior of the high-density polyethylene sheath in a winding mode, wherein the spiral bar adhesive tapes comprise an overlapped single-layer spiral bar adhesive tape and a non-overlapped single-layer spiral bar adhesive tape, a plurality of corresponding convex-concave grooves are respectively formed in the upper end surface and the lower end surface of the overlapped single-layer spiral bar adhesive tape, and a parallel bar is formed on the edge of the non-overlapped single-layer spiral bar adhesive tape; and pasting or calendering a PVE (polyvinyl ether) fluorination membrane with a durable function on the overlapped single-layer spiral bar adhesive tape or the non-overlapped single-layer spiral bar adhesive tape so as to form an overlapped or non-overlapped composite spiral bar adhesive tape. According the invention, the polyethylene sheath is prevented from being directly exposed to the atmospheric environment, so that the service life of the cable body is improved, and the cable body also has a favorable wind-rain induced vibration prevention capability; the manufacturing method is simple and rapid; and the spiral bar adhesive tape is suitable for not only novel cable bodies, but also the maintenance of the existing bridge inhaul cables.
Owner:LIUZHOU OVM MASCH CO LTD +1
Rooting cultivation technology for blueberry microbody virus-free seedling
InactiveCN104170730AReduce direct damageSimplified rooting stepsHorticulture methodsPlant tissue cultureBottleObserved Survival
The invention discloses a rooting cultivation technology for blueberry microbody virus-free seedlings. The technology comprises the following steps: (1) seedbed arrangement; (2) virus-free seedling transplantation; (3) preparation of an ANI medicinal liquid; and (4) transplantation. The invention simplifies the rooting step in bottles, greatly increases the number of cultivation, saves time and cost for bottle rooting cultivation, and can effectively reduce the direct damage of external environment change to tender virus-free seedlings, and reach the cultivating survival rate of above 98%.
Owner:GUIZHOU RUILAN FRUIT IND SCI & TECH DEV
Powdered material blanking device
ActiveCN110354751ASinking smoothlyReduce direct damageFeeding-stuffTransportation and packagingReciprocating motionFeed processing
The invention discloses a powdered material blanking device and relates to the technical field of feed processing equipment. According to the technical scheme, the powdered material blanking device comprises a machine frame; two moving counter tops are symmetrically arranged on the machine frame; a material passing mechanism is arranged at the middle part below the machine frame; a cutting mechanism is arranged at the middle upper part of the material passing mechanism; and the moving counter tops comprise two symmetrical material supporting frames. The powdered material blanking device has the following beneficial effects: the moving counter tops are driven to do reciprocating motions through combined motion of a gear limiting ring for blanking of bagged powdered materials, so that the operation of manually removing material bags is replaced, direct injury to a human body by dust is reduced and manpower waste is reduced; the bagged powdered materials are fixed and buffered through a material bag fixing plate and the material bags sinks stably, so that the material bag can be divided into two by a saw blade; the descending powdered materials pass through a primary material passingplate and a secondary material passing plate sequentially, so that dust occurring in the descending process of the powdered materials is reduced to a great degree; and the saw blade is liftable, so that cut danger during manual operation is avoided.
Owner:单县六和饲料有限公司 +1
High-strength TBM center cutter box and preparation method
ActiveCN111119915AAvoid Weld CrackingAvoid large welding deformationFurnace typesTunnelsTemperingStructural engineering
The invention provides a high-strength TBM center cutter box and a preparation method. The center cutter box comprises an outer cutter box and an inner cutter box, wherein the outer cutter box is madeof a structural steel material; the inner cutter box is made of a low-carbon medium-alloy structural steel material; and the inner cutter box and the outer cutter box are combined through welding. The center cutter box provided by the invention has the beneficial effects that the inner cutter box is treated with tempering and hardening, connection is realized in a firm of welding of the inner andouter cutter boxes, the inner and outer cutter boxes are formed by a forging technology, and the inner cutter box is made of low-carbon medium-alloy structural steel, so welding stress centralization, cracking and deformation of the inner and outer cutter boxes are reduced; through surface hardening of the inner cutter box, strength and fatigue performance of bearing parts can be enhanced; and through de-stress annealing of the inner and outer cutter boxes, distribution of residual stress during forging formation and welding stress centralization points of the inner and outer cutter boxes canbe reduced.
Owner:CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
Floatable drill rod connecting device
ActiveCN112253017AExtended service lifeReduce the chance of direct damageDrilling rodsDrilling casingsEngineeringDrill pipe
The invention belongs to the field of mechanical design, and relates to a floatable drill rod connecting device. The floatable drill rod connecting device is installed on a power head spindle and comprises a connector body connected with the power head spindle in a matched mode and a limiting device arranged outside the connector body and the power head spindle. An elastic piece with a floating positioning function is further arranged between the connector body and the power head spindle. The floatable drill rod connecting device has an axial floating function, rigid extrusion and friction between the connector body and threads of a front end drill rod are changed into an elastic gradual change process, the threads of the connector body are effectively protected, and the service life of the connector body is prolonged. By arranging a connecting sleeve, dynamic connection which generates impact for a long time is transferred between the connector body and the connecting sleeve, and thespindle and the connecting sleeve are in pin connection without impact, so that the probability that the spindle is directly damaged is greatly reduced, the maintenance cost is reduced, and the maintenance time is shortened.
Owner:CHINA COAL TECH ENG GRP CHONGQING RES INST
Anti-fuse memory cell and manufacturing method thereof
PendingCN112397516AReduce direct damageAvoid damageSolid-state devicesRead-only memoriesStorage cellMemory cell
The embodiment of the invention relates to an anti-fuse memory cell and a manufacturing method thereof, and the anti-fuse memory cell comprises a substrate which is provided with a selection gate structure, a first doped region and a second doped region, an anti-fuse gate dielectric layer, an anti-fuse gate, and a third doped region. The first doped region and the second doped region are respectively located in the substrate at two opposite sides of the selection gate structure, and the doped ion types of the first doped region and the second doped region are the same; the anti-fuse gate dielectric layer is positioned on the first doped region; the anti-fuse gate is positioned on the anti-fuse gate dielectric layer; and the third doped region is located between the second doped region andthe selection gate structure, the doped ion type of the third doped region is the same as that of the second doped region, and the doped ion concentration of the third doped region is smaller than that of the second doped region. Damage of an electric field to the selection gate dielectric layer can be reduced, so that the reliability of the selection transistor in the anti-fuse storage unit is improved.
Owner:CHANGXIN MEMORY TECH INC
Slow-release regulating agent for preventing rumen acidosis and preparation method thereof
ActiveCN102068454BReduce direct damagePromote feed intakeOrganic active ingredientsHeavy metal active ingredientsSodium bicarbonateVolatile fatty acids
The invention discloses a slow-release regulating agent for preventing rumen acidosis and a preparation method thereof, which relate to the field of scientific nutrition of animals. The slow-release regulating agent comprises the following raw material components by gram: 0.3 to 0.5 gram of sodium bicarbonate, 0.15 to 0.17 gram of magnesium oxide, 0.01 to 0.03 gram of nicotinic acid, 0.01 to 0.03gram of cobaltous sulfate, 0.01 to 0.03 gram of zinc sulfate, 0.01 to 0.03 gram of hydroxypropyl methyl cellulose and 0.3 to 1.5 gram of starch. The preparation method comprises the following preparation steps of: 1. sieving the sodium bicarbonate, the magnesium oxide, the nicotinic acid, the cobaltous sulfate and the zinc sulfate; 2. uniformly mixing the sieved components and an appropriate amount of starch; 3. adding an appropriate amount of absolute ethyl alcohol and stirring for pelletizing; 4. drying and weighing; 5. adding the sodium bicarbonate and mixing uniformly; and 6. calculating tablet weight and tableting. With the invention, the conventional method in which excessive volatile fatty acid produced in a rumen is neutralized by directly filling sodium bicarbonate or adding magnesium oxide is changed. Rumen acidosis is prevented, the treatment effect on rumen acidosis is enhanced, and direct damages to the rumen membranes of ruminants and microbial floras in rumens are reduced.
Owner:SICHUAN AGRI UNIV +2
Collision buffering device of automobile seat
The invention discloses a collision buffering device of an automobile seat. Linear bearings are installed on the two sides of the upper surface of a bottom plate, the two sides of a moving plate are connected to sliding parts of the linear bearings, the two sides of the front of the moving plate are connected with the outer ends of spiral springs respectively, and the inner ends of the spiral springs are connected with the bottom plate. An insertion groove / insertion grooves is / are formed in one side / two sides of the rear of the moving plate, a locking pin / locking pins corresponding to the insertion groove / insertion grooves is / are arranged at the rear of the bottom plate, and a reset spring / reset springs is / are installed on the locking pin / locking pins. The collision buffering device has the advantages that once an automobile is severely collided, an automobile body is extruded inwards, passengers dash forward under the action of inertia to pull safety belts, buckles of the safety belts pull the fixed insertion pins inside the device out of the clamping grooves, and the seat is transformed into a moving state from a fixed state. Under the action of restoring force of the spiral springs, the moving plate drives the seat to move backwards along the linear bearings by a certain distance, the seat and the passengers move synchronously, safety spaces are made in front of the passengers, and therefore it is avoided that due to extrusion, the chests and the legs of the passengers are hurt.
Owner:陈永超
Electrostatic coating which can be sprayed to form thick film and construction method thereof
ActiveCN106433429AStrong adhesionGood weather resistanceSpraying apparatusPolyurea/polyurethane coatingsKetone solventsElectrostatic coating
The invention discloses an electrostatic coating which can be sprayed to form a thick film. The electrostatic coating is prepared by mixing a component A and a component B according to the weight ratio of 3-5 to 10, adding a diluent and performing blending to reach certain spraying viscosity, wherein the component A is prepared from first resin and an ester solvent or a ketone solvent, the component B is prepared from second resin, aromatic hydrocarbon, various colors of pigments, an extender pigment and multiple additives, and the diluent is prepared from hydrocarbon, ester and ketone solvents and an ES-80 electrostatic additive. The invention further discloses a construction method of the electrostatic coating which can be sprayed to form the thick film. The electrostatic coating is sprayed to the surface of a coated object by using a robot. The electrostatic coating can be blended to have multiple colors, has the advantages of being high in solid content, low in viscosity and small in smell, one-time coating thickness can be up to more than 40 microns during coating by using the robot, the utilization rate of the electrostatic coating is improved, the labor intensity is reduced, and energy is saved.
Owner:西安万祥新材料有限公司
Anti-icing ultra-durable inhaul cable
PendingCN110184918AAvoid direct exposureReduce direct damageCable-stayed bridgeBridge structural detailsWeather resistanceEngineering
The invention belongs to the technical field of bridge inhaul cables, and particularly relates to an anti-icing ultra-durable inhaul cable. The anti-icing ultra-durable inhaul cable comprises cable strands, a protecting jacket coating outer layers of the cable strands, an electric heating wire connected with a power supply, and a switch controlling connection and disconnection between the electricheating wire and the power supply, adhesive tape is arranged on an outer layer of the protecting jacket in a spiral winding mode, the adhesive tape is arranged on the outer layer of the protecting jacket in a coating mode, bulged ribs are arranged on the outer surface of the adhesive tape in the longitudinal direction, and the electric hearting wire is arranged in the adhesive tape. The anti-icing and ice removal functions of the inhaul cable can be achieved while it is ensured that the inhaul cable has weather resistance and wind-rain induced vibration resistance.
Owner:LIUZHOU OVM MASCH CO LTD
Ultraviolet-proof cosmetic
InactiveCN106727038AReduce direct damageReduce generationCosmetic preparationsToilet preparationsUltraviolet lightsGlycerol
The invention relates to the technical field of cosmetics, and in particular to an ultraviolet-proof cosmetic which comprises the following components in parts: 5-8 parts of fish skin collagen, 1-3 parts of dipalmitoyl hydroxyproline, 0.5-0.8 part of ethylenediaminetetraacetic acid disodium salt, 0.2-0.5 part of cationic polyacrylamide, 3-5 parts of a white water lily extract, 1-2 parts of a yucca smalliana extract, 2-4 parts of an aloe extract, 1-1.5 parts of sodium hyaluronate, 1-3 parts of oryzanol, 5-7 parts of glycol distearate, 0.01-0.05 part of melanin powder, 8-12 parts of sodium alginate, 3-4 parts of calcium citrate, 1-1.2 parts of pineapple enzyme, 20-25 parts of glycerol, 3-5 parts of an aloe gel composition and 5-10 parts of a surfactant. The ultraviolet-proof cosmetic provided by the invention is capable of filtering off ultraviolet light and blue light, reducing direct damage to skin, improving anti-oxidation properties of the skin, reducing generation of melanin, reducing melanin pigmentation on the surface of the skin, promoting absorption of beneficial components in the components by the skin, and keeping the skin ruddy and glossy.
Owner:杭州科翼科技有限公司
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