Patents
Literature
123results about How to "Resist erosion" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Fire-resistant bridge temperature regulation telescopic device
The utility model relates to a kind of fireproof bridge temperature regulation telescopic device, it includes telescopic joint subassembly and cover plate subassembly constitute, telescopic joint subassembly contains symmetrically set in the telescopic section of middle section both sides, two sliding fit, telescopic section top wall's limiting bolt is embedded in the waist type slot of middle section, realize sliding guide and stroke control, cover plate subassembly includes fixed cover plate, movable cover plate and piano key telescopic sealing cover, fixed cover plate is fixedly connected telescopic section, movable cover plate buckling middle section, three are through piano key telescopic sealing cover telescopic cooperation, and device uses double fireproof structure of outer spraying fireproof coating and inner pasting nonmetal fireproof lining, when working, device can adapt to bridge thermal expansion and contraction, length is adjusted by telescopic joint subassembly, piano key telescopic sealing cover guarantees airtightness, have telescopic adjustment and long-term airtightness, fireproof performance is stable, structure is stable and installation maintenance is convenient.
Owner:JIANGSU JIUNENG ELECTRIC CO LTD +1
Assembled steel culvert gate
ActiveCN224283757UGuaranteed uptimeResist soil pressurePipe supportsBarrages/weirsSupporting systemArchitectural engineering
This utility model relates to the field of building construction, and more particularly to an assembled steel culvert gate. The assembled steel culvert gate includes a steel pipe with multiple reinforcing rings installed on its outer side. Multiple reinforcing haunches are connected to both ends of the outer side of the steel pipe, and panels are installed at both ends of the outer side of the steel pipe. A gate is installed on one of the panels, located at one end of the steel pipe. Main crossbeams are installed at the top and bottom of the two panels on opposite sides. The assembled steel culvert gate provided by this utility model uses a steel pipe as the main load-bearing structure, combined with a support system composed of reinforcing rings, reinforcing haunches, and longitudinal and transverse steel channels. This effectively resists soil pressure, water flow impact, and ground loads, exhibiting high structural strength and good stability. Even under conditions of uneven foundation settlement, the good toughness of the steel structure can prevent serious damage such as cracking and fracture, ensuring the long-term stable operation of the culvert gate.
Owner:HEILONGJIANG ZHONGLUO HYDROPOWER EQUIPMENT CO LTD
Maritime work mass concrete pile foundation anti-corrosion device
ActiveCN224243965UExtended service lifeImprove corrosion resistanceProtective foundationBulkheads/pilesSeawaterCorrosion prevention
The utility model relates to a maritime work mass concrete pile foundation anti-corrosion device which comprises an outer-layer protective shell, a middle-layer spacing shell and an inner-layer anti-corrosion shell, and the outer-layer protective shell, the middle-layer spacing shell and the inner-layer anti-corrosion shell are all cylindrical shells formed by assembling two semi-cylindrical shells. The inner-layer anti-corrosion shell, the middle-layer spacing shell and the outer-layer protection shell are sequentially arranged on the outer side of a concrete pile foundation in a sleeving mode from inside to outside, a first reaction cavity is formed between the outer-layer protection shell and the middle-layer spacing shell, and a second reaction cavity is formed between the inner-layer anti-corrosion shell and the middle-layer spacing shell. A plurality of first reaction rods are horizontally arranged on the middle-layer interval shell in an array mode, a plurality of second reaction rods are horizontally arranged on the inner-layer anti-corrosion shell in an array mode, and hydrophobic materials used for reducing the seawater permeation speed are clamped between the connecting pieces at the two ends of the two semi-cylindrical shells. And the anti-corrosion capability of the concrete pile foundation is obviously improved.
Owner:WUHAN UNIV OF TECH +2
Automatic collecting and stirring treatment tank body for waste liquid
ActiveCN224207835UCollection precise controlPrecisely controlled mixingRotary stirring mixersTransportation and packagingAutomatic controlProcess engineering
The utility model relates to the technical field of waste liquid treatment equipment, in particular to an automatic collecting and stirring treatment tank body for waste liquid, which comprises a stirring treatment tank body, the stirring treatment tank body comprises a tank body, a waste liquid collecting module, a stirring module, an automatic control module and a discharge module; a waste liquid inlet and an exhaust port are formed in the top of the tank body; the waste liquid collecting module is connected to the waste liquid inlet and used for automatically collecting and conveying waste liquid into the tank body; the stirring module comprises a driving device, a stirring shaft and stirring blades, the stirring shaft penetrates through the top of the tank body and extends into the tank body, the stirring blades are arranged at the bottom of the stirring shaft, and the driving device is used for driving the stirring shaft to rotate. The liquid level sensor monitors the liquid level in real time; the stirring module adopts a multi-layer adjustable paddle structure, so that sufficient stirring is ensured; the bottom conical structure is matched with the discharging module, and safe discharging is achieved.
Owner:JIANGSU SANSHAN ENVIRONMENTAL SCI & TECH RES CO LTD
A wind-solar complementary power generation device facilitating switching
This invention discloses a wind-solar hybrid power generation device that is easy to switch between, relating to the field of wind-solar hybrid power generation technology. It includes a base, with a sleeve rotatably connected to the upper end of the base. A shell is provided on the outer surface of the base, and the bottom of the base is connected to the shell via a support rod. A photovoltaic panel is fixed to the upper surface of the shell. A fan blade is rotatably connected inside the sleeve, and an angle adjustment component is provided inside the sleeve. A locking component is provided at the lower end of the angle adjustment component, and an adjustment rotation component is provided at the upper end of the shell. This invention uses the angle adjustment component to change the fan blade angle when encountering different wind resistances, the locking component to lock the fan blade when the wind resistance exceeds a threshold to avoid damage, and the adjustment rotation component to achieve sealed protection for the photovoltaic panel.
Owner:CHENGKOU COUNTY HONGYUAN WATER RESOURCES DEV CO LTD
Non-contact detector and method for gas-liquid interface in salt caverns based on laser ranging
This application discloses a non-contact detector and method for the gas-liquid interface in salt caverns based on laser ranging. It is used to perform real-time measurement of the gas-liquid interface while the wellhead remains sealed and closed. The method includes: an in-wellbore probe assembly, installed inside the wellbore and directly facing the gas-liquid interface inside the reservoir, emitting a laser beam and receiving the reflected echo. The in-wellbore probe assembly includes a laser emitting module, a laser receiving module, a high-pressure resistant sealed housing, and a light-transmitting window; and an external wellbore control assembly, located outside the wellbore, electrically and signal-connected to the in-wellbore probe assembly, used for power supply, signal acquisition, data processing, and communication. This application allows for real-time measurement of the gas-liquid interface while the wellhead remains sealed and closed, avoiding the gas leakage risks, operational safety hazards, and production stoppage losses associated with traditional well-opening measurement methods. Furthermore, the non-contact measurement overcomes the problems of scaling and failure of contact level gauges in the high salt spray and highly corrosive environment of salt caverns.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI +2
High-sensitivity space inclination measurement fiber bragg grating sensor and monitoring method
PendingCN121953932Areduce local stiffnessGuaranteed reliabilityUsing optical meansMitigation of undesired influencesFiberGrating
The invention relates to the technical field of optical fiber sensing, in particular to a high-sensitivity space inclination measurement fiber grating sensor and a monitoring method, and the sensor comprises two orthogonally and vertically arranged sensitization type equal-strength beams, the surface of each sensitization type equal-strength beam is provided with a boss and groove combined structure, the center line of each boss is pasted with a fiber grating, and the free end is connected with a mass block. The strain transmission efficiency is improved through cooperative sensitization of the boss and the groove, temperature self-compensation is achieved through the wavelength drift distance difference value of the symmetric fiber bragg grating, and the inclination angles of the yoz plane and the xoz plane can be accurately measured at the same time. The sensor is provided with a waterproof corrosion-resistant protective shell, is high in environmental adaptability, and is suitable for high-precision space inclination monitoring of projects such as bridges and side slopes.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
Coating precursor composition, metal coating and preparation method and application thereof
PendingCN121851762AExtended service lifeHigh temperature resistantFireproof paintsAnti-corrosive paintsSilicon dioxideAluminium oxides
The invention relates to the technical field of metal surface treatment, in particular to a coating precursor composition, a metal coating and a preparation method and application of the coating precursor composition and the metal coating. The nano additive comprises a combination of nano silicon dioxide, nano aluminum oxide, nano magnesium oxide and nano titanium dioxide. The coating precursor composition provided by the invention comprises the silane coupling agent and the nano additive, and the metal coating prepared from the coating precursor composition has the excellent properties of high temperature resistance, difficulty in stripping, high hardness, no color, transparency and the like, can effectively resist erosion and wear of an external environment, and effectively prolongs the service life of metal.
Owner:WUXI MEIZHI ELECTRIC CO LTD
Ultra-thin multi-layer silica gel braided tube
The utility model discloses an ultra-thin multilayer silica gel braided tube, which relates to the technical field of silica gel braided tubes and comprises a silica gel braided tube body, a connector assembly is arranged at one end of the silica gel braided tube body, a butt joint assembly is arranged at the other end of the silica gel braided tube body, and the connector assembly is matched with the butt joint assembly. The silica gel braided tube body comprises a pipeline body, an anti-sticking layer is arranged on the inner wall of the pipeline body, and the anti-sticking layer is used for preventing adhesion between the inner wall of the silica gel braided tube body and a conveying medium; the butt joint assembly comprises a second connecting cavity tube fixedly connected to one end of the silica gel braided tube body; the connector assembly comprises a first connecting cavity tube fixedly connected to one end of the silica gel braided tube body, and a positioning rod is fixedly connected to one side of the first connecting cavity tube, so that the silica gel braided tube bodies, the connector assembly and the butt joint assembly are matched together, and the two silica gel braided tube bodies can be quickly assembled and disassembled; the working efficiency of the device is improved, and the requirements of more customers are met.
Owner:DONGGUAN HENGYUE NEW MATERIAL TECHNOLOGY CO LTD
An emergency power box with open-break power distribution terminals
The application discloses an emergency power supply box with open-break power distribution terminals, and belongs to the technical field of emergency power supply boxes. The power supply box comprises four interval-parallel arranged power connection copper bar assemblies, which are divided into two groups and are respectively used for connecting zero lines and live lines of power supply cables and emergency cables; one grounding copper bar assembly is used for grounding connection with the power supply cables, the emergency cables and the power distribution terminals; a plurality of power distribution terminals are in sliding connection with the power connection copper bar assemblies, and are controlled by a control assembly to be respectively electrically connected with the power connection copper bar assemblies connected with the power supply cables or the emergency cables and simultaneously electrically connected with user cables; a box body is used for containing the above components, and a cable outlet is arranged at the bottom of the box body; and an emergency power supply interface is arranged outside the box body and is electrically connected with the emergency cables. The application replaces manual operation with mechanical automatic switching, and replaces scattered parts assembly with modular integration, so that the emergency power supply is fast, safe and standardized, and is especially suitable for power emergency protection of high-rise residential areas under extreme weather such as floods and typhoons.
Owner:SHANDONG LUNENG PROPERTY CO
A remote sensing image scene classification method and system based on double-filter cooperation
PendingCN122265858Aimprove perceptionPure and clear scene representationBiological modelsScene recognitionPattern recognitionComputer vision
The application discloses a kind of based on double filtering cooperation's remote sensing image scene classification method and system, in the method, for the problem that existing technology is difficult to give consideration to background noise suppression and key feature edge structure preservation when processing remote sensing image, a kind of double filtering cooperation optimization module is presented.The module in this paper introduces Gaussian filter smoothing channel to suppress unstructured high-frequency background noise, while introducing Gaussian Laplace edge enhancement channel to accurately capture and strengthen key geometric structure information such as feature contour;Through feature fusion, position coding, state space model and double activation gating mechanism, the multi-scale feature map is optimized and reconstructed to generate high signal-to-noise ratio and clear structure scene representation.The module is integrated into the remote sensing image scene classification model, and trained using focal loss, which can significantly improve the classification accuracy and robustness in complex texture interference scene.
Owner:耕宇牧星(北京)空间科技有限公司
Preparation process of self-cleaning FEVE varnish
The application belongs to the technical field of industrial coatings, and discloses a preparation process of self-cleaning FEVE varnish. The preparation process of the self-cleaning FEVE varnish comprises the following steps: (1) preparing a protective latex emulsion; (2) adding a wetting agent and a defoaming agent; (3) adding a composite sol; (4) adding FEVE resin, then adding a curing agent, and preparing the self-cleaning FEVE varnish after aging. The self-cleaning FEVE varnish prepared by the preparation process of the self-cleaning FEVE varnish has excellent adhesion, high weather resistance and good self-cleaning performance, and can be widely applied to building outer walls, transportation equipment, ocean facilities, urban public facilities and the like.
Owner:HUBEI ZHONGGANG METAL MFG CO LTD
An alcohol dispersion of crosslinked polyethylene dioxythiophene, method of preparation and use
The application relates to a cross-linked polyethylene dioxythiophene alcohol dispersion liquid, a preparation method and application, and belongs to the technical field of photoelectric materials. A cross-linking agent is added into a polyethylene dioxythiophene alcohol dispersion liquid, an epoxy group on the cross-linking agent and a p-anion high-fluorine sulfonic acid ion polymer in the polyethylene dioxythiophene alcohol dispersion liquid are cross-linked, a film formed by the cross-linked polyethylene dioxythiophene alcohol dispersion liquid forms a continuous three-dimensional network structure, resistance to alcohol solvents is realized, and the alcohol solution has better wettability on the surface of the cross-linked polymer film. The cross-linked polyethylene dioxythiophene alcohol dispersion liquid can be used in organic solar cells with different structures, and can be applied to other fields such as light-emitting diodes, electrochromism, bioelectronic and anti-static coating and the like.
Owner:HUAZHONG UNIV OF SCI & TECH
Oil collection structure and yaw bearing oil discharge collection structure
The utility model belongs to the field of oil stain collection, concretely relates to an oil stain collection structure and yaw bearing oil discharge collection structure. One kind of oil stain collection structure, including annular strong magnet and oil stain collection pipe, the lower end of annular strong magnet with the upper end of oil stain collection pipe fixed connection, the lower end of oil stain collection pipe is provided with internal thread. The utility model's annular strong magnet can enhance the sealing performance of oil stain collection structure and yaw bearing oil discharge port, prevents waste oil leakage.
Owner:GUOHONG NEW ENERGY POWER GENERATION CO LTD +2
Underwater concrete rapid repairing material and its preparation method
The application provides a kind of underwater concrete rapid repair material, by weight fraction, including the following components: cementing material system 67-80 parts, dual functional graphene system 0.6-1.2 parts, intelligent curing adjustment system 3-5 parts, auxiliary additive 2-3 parts, filler system 20-25 parts and water 18-25 parts;The dual functional graphene system includes hydrophilic amino graphene and hydrophobic sulfhydryl reduced graphene oxide, and the mass ratio of the two is (1.2-1.8):(0.8-1.2);The intelligent curing adjustment system includes microcapsule coated temperature-sensitive coagulant 2-3 parts and in-situ whisker generation precursor 1-2 parts.The application realizes underwater rapid curing, strong bonding, high toughness, long-term protection integration, and provides a high-performance solution for the rapid repair and emergency repair of hydraulic and marine infrastructure.
Owner:QINGDAO UNIV OF TECH +2
Detection probe for live line detection
ActiveCN224203275UFlexible length adjustmentRich use requirementsElectrical testingMeasurement instrument housingStructural engineeringMechanical engineering
Owner:XIAN YURUI POWER TECH CO LTD
Silica gel repair mortar composite material layer
ActiveCN224200070UImprove insulation effectgood heat insulationRoof covering insulationsHeat proofingSilicone GelsComposite material
The utility model provides a silica gel repair mortar composite material layer which comprises a composite material layer body, and the composite material layer body comprises a mortar layer, a first connecting keel layer, a second connecting keel layer, a first silica gel layer, a second silica gel layer, a first waterproof layer, a second waterproof layer, a first outer decoration layer and a second outer decoration layer. The first connecting keel layer is arranged between the mortar layer and the first silica gel layer, and the second connecting keel layer is arranged between the mortar layer and the second silica gel layer, so that the bonding area between the mortar layer and the first silica gel layer and the bonding area between the mortar layer and the second silica gel layer are enlarged, and the connecting strength between the mortar layer and the first silica gel layer and the connecting strength between the mortar layer and the second silica gel layer are improved; and the effective structural layer cracks.
Owner:顾红霞
PUR oil-resistant and wear-resistant material and preparation method of swinging drag chain line thereof
PendingCN121964287AGood oil resistanceImprove wear resistanceFlexible cablesCable/conductor manufactureStructural engineeringProcess engineering
The invention provides a PUR oil-resistant and wear-resistant material and a preparation method of a swing drag chain line of the PUR oil-resistant and wear-resistant material, and relates to the technical field of drag chain lines. A storage barrel is fixedly arranged at the top of the supporting table, and PUR oil-resistant and wear-resistant particles are stored in the storage barrel; an extruding structure is fixedly arranged at the top of the supporting table, and an extruding assembly is further fixedly arranged at the top of the supporting table; a spray cooling device is fixedly arranged at the top of the supporting table, and two guide assemblies are fixedly arranged at the top of the supporting table; a guide assembly and an extrusion assembly are arranged; the transverse direction and the vertical direction of the cable core can be limited and guided at the same time, and the advancing path of the cable core is guaranteed; therefore, overlarge contact force between the cable core and the inner wall of the extrusion mold can be prevented, the performance integrity of the cable core is ensured, and the problem that overlarge contact force is possibly generated between the cable core and the inner wall of the extrusion mold is solved.
Owner:SUZHOU FEI HANG EQUIP CO LTD
Anti-aging cable and preparation method thereof
PendingCN122000123AImprove aging resistanceImprovement of the problem of insufficient aging resistanceInsulated cablesCable/conductor manufactureInsulation layerHigh density
The invention relates to the technical field of cables, and provides an anti-aging cable and a preparation method thereof. The aging-resistant cable comprises a conductor, an insulating layer and a sheath layer which are sequentially arranged from inside to outside, the sheath layer comprises the following raw materials in parts by weight: 40-50 parts of high-density polyethylene A, 35-45 parts of high-density polyethylene B, 20-25 parts of high-density polyethylene C, 15-20 parts of filler and 2-3 parts of auxiliaries, and the types of additives of the high-density polyethylene A, the high-density polyethylene B and the high-density polyethylene C are different. According to the technical scheme, the problem of insufficient aging resistance of the cable in the prior art is solved.
Owner:CANGZHOU HUIYOU CABLE CO LTD
A silicone-modified acrylic resin coating, and a method of preparing and using the same
This invention discloses an organosilicon-modified acrylic resin coating, its preparation method, and its application, belonging to the field of surface protection technology. The organosilicon-modified acrylic resin coating of this invention comprises the following raw materials in parts by weight: 92-99 parts of organosilicon-modified acrylic resin and 1-8 parts of modified SiO2@FGO nano-hybrids. This invention achieves surface modification of graphene oxide using a silane coupling agent, and further obtains the coating through in-situ hydrolysis deposition and modification of SiO2 nanoparticles. The organosilicon-modified acrylic resin coating with composite nanofiller exhibits excellent resistance to chloride ion corrosion, carbonization, alkali resistance, weather resistance, and adhesion, and can be used for surface protection of marine reinforced concrete engineering projects.
Owner:TONGJI UNIV
Hollow porous tunnel kiln burner brick
ActiveCN224302734UImprove structural strengthImprove stress resistanceFurnace componentsFurnace typesTunnel kilnBrick
The utility model discloses hollow porous tunnel kiln burner brick relates to tunnel kiln technical field. The utility model discloses a brick body, the inside of brick body is provided with the combustion port, the inside of brick body is provided with the air vent, the inside of brick body is provided with the pre -tightening subassembly, the pre -tightening subassembly includes the pre -buried rod of installation in the inside of brick body, installs the tension rod on the surface of pre -buried rod, installs the reinforcing rib on the surface of pre -buried rod and installs the screw rod on the one end of pre -buried rod, the inside installation of combustion port has the protection layer. Hollow porous tunnel kiln burner brick of the utility model through the unique structure design, has improved its overall performance and service life significantly, and the introduction of pre -tightening subassembly has effectively enhanced the structural strength of brick body, and the synergies of pre -buried rod, tension rod and reinforcing rib, not only have improved the compression and the bending -resistant ability of brick body, still effectively restrained the expansion and the shrinkage of brick body, prevented the generation of crack.
Owner:DONGTAI CENT HEAT RESISTANT MATERIALS
Ecological bank protection structure
ActiveCN224281148UImprove foundation stabilityImprove stabilityCoastlines protectionPisciculture and aquariaEnvironmental engineeringRiver bed
This application relates to an ecological revetment structure. This application is applicable to the field of water conservancy engineering technology. The technical problem to be solved by this application is: to provide an ecological revetment structure. The technical solution adopted in this application is: an ecological revetment structure, comprising: fish nest blocks, located on the riverbed at the toe of a slope, with a first cavity in the inner top for fish to inhabit, and at least partially connected to the first cavity via vertically arranged channels on the water-facing sidewall; multiple fish nest blocks arranged along the toe of the slope to form a supporting base for the revetment structure; ecological blocks, located on top of the fish nest blocks, with a second cavity in the inner top for filling soil, and multiple through holes in the inner bottom connecting to the second cavity; multiple ecological blocks stacked on top of each other on the slope surface; and connectors, located between adjacent fish nest blocks, adjacent ecological blocks, and between adjacent fish nest blocks and ecological blocks, enabling the fish nest blocks and ecological blocks to be horizontally adjacent or vertically stacked.
Owner:POWERCHINA HUADONG ENG CORP LTD
A crochet cord structure having an anticorrosion coating
This utility model discloses a crochet rope structure with an anti-corrosion coating, comprising a crochet rope body, which includes a core layer, a reinforcing braid layer, a buffer layer, and a coating layer, arranged sequentially from the inside out. The coating layer includes a base layer, an intermediate layer, and a top layer. The base layer is located inside the intermediate layer and is made of an epoxy resin and nano-clay composite material. The intermediate layer is located inside the top layer and is made of epoxy zinc-rich coating. The top layer is made of epoxy glass flake coating. The surface of the coating layer is coated with a fluorocarbon topcoat. This structure achieves corrosion resistance, increases practicality, and solves the problem that crochet ropes often face environmental erosion during use, leading to decreased rope strength, fiber breakage, and reduced service life.
Owner:JIANGSU JILONG ENVIRONMENTAL PROTECTION TECH CO LTD
Ginseng polysaccharide composition for relieving liver injury caused by staying up late and preparation method
PendingCN121846190Aresist erosionImprove bioavailabilityOrganic active ingredientsDigestive systemBiotechnologySporeling
The invention discloses a ginseng polysaccharide composition for relieving liver injury caused by staying up late and a preparation method, and relates to the field of biological medicine, the ginseng polysaccharide composition comprises the following components by weight: 30%-70% of a spore-ginseng polysaccharide compound, 10%-40% of a radix puerariae extract, 5%-20% of a schisandra chinensis extract, and the balance of pharmaceutically or food acceptable auxiliary materials; the spore-ginseng polysaccharide compound is formed by loading ginseng polysaccharide modified by acid hydrolysis on probiotic spores; according to the composition, ginseng polysaccharide and acid-resistant probiotic spores are compounded to prepare a spore-ginseng polysaccharide compound serving as a core component, so that the spores become natural protective shells and targeting carriers, and the ginseng polysaccharide can resist gastric acid erosion and is accurately and sufficiently delivered to intestinal tracts; the bioavailability of the active component at the target part is greatly improved, so that the ginseng polysaccharide can directly play key roles in repairing the barrier and regulating the immune microenvironment locally in the intestinal tract.
Owner:YANBIAN UNIV
A rear beam arm structural component for new energy vehicles
ActiveCN224277298UIncrease the number ofImprove structural strengthSuperstructure subunitsSuperstructure connectionsNew energyClassical mechanics
This utility model discloses a rear beam arm structure for new energy vehicles, including an arm body. A grid-shaped reinforcing partition is fixedly installed inside the arm body. A first supporting connecting column is fixedly installed on one side of the arm body, and a second supporting connecting column is fixedly installed at one end of the arm body. The rear beam arm structure of this utility model, with its first and second supporting connecting columns, has one end extending into the interior of the arm body and fixedly connected to the grid-shaped reinforcing partition, increasing the connection points and improving the strength of the connection between the first and second supporting connecting columns. A pre-tightening structure, installed on the outer wall of the first and second supporting connecting columns, provides continuous pre-tightening force after the threaded connection of the first and second supporting connecting columns. The reaction force of the helical spring eliminates loosening after the bolt connection.
Owner:JIAHE SEIKO FOR& CASTS
A wind turbine tower protection device that is easy to disassemble
ActiveCN224282833Uimprove securityresist erosionWind motor supports/mountsMachines/enginesMarine engineeringTower
This utility model provides a wind turbine tower protection device that is easy to disassemble, including two mutually cooperating protective plates. The two protective plates are fixedly spliced on the outside of the connection between adjacent tower sections. Semi-circular sealing rings are provided on the upper and lower sides of both protective plates. An installation ring is provided on the outer side of the protective plate between the two sealing rings. Multiple outwardly rotatable conical plates are provided on the circumferentially arranged on the installation ring. By splicing and fixing the two protective plates to the outside of the tower section connection, and with the semi-circular sealing rings on the upper and lower sides, a fully enclosed seal protection can be formed for the splicing gap. The outwardly rotatable conical plates on the outer installation ring form a physical barrier around the tower to prevent climbing. The sharp structure formed after the conical plates are rotatably rotated effectively prevents human or animal climbing, improving the safety of tower operation. Furthermore, the overall structural design facilitates disassembly and quick assembly / disassembly during later maintenance and repair, combining the dual functions of sealing protection and active anti-climbing.
Owner:国投甘肃新能源有限公司
Outdoor magnesium oxysulfate fireproof plate and preparation method thereof
ActiveCN121800505ASolving Disposal Problemslow costSolid waste managementProcess engineeringCement slurry
The invention discloses an outdoor magnesium oxysulfate fireproof plate and a preparation method thereof, and belongs to the technical field of light building materials, and the preparation method comprises the steps of filler pretreatment, cement paste preparation, filling reinforcement, molding pouring and segmented maintenance. According to the invention, the recycled foamed ceramic leftover material is used as a core filler, so that the problem of treatment of foamed ceramic processing waste is effectively solved, and the environmental pressure caused by industrial solid waste accumulation is reduced. Meanwhile, part of traditional filler is replaced with waste, the raw material cost for preparing the fireproof plate is greatly reduced, the dual benefits of environmental protection, waste reduction and cost optimization are achieved, and the development trend of green building materials is met.
Owner:SHANGHAI XIANGPIAO FIREPROOF BOARD MFG CO LTD
A 3D-printed hollowed-out cone-shaped solar interface evaporator with directional salt formation function, its preparation method and application
PendingCN122079280Aeasy to captureincrease the number of reflectionsAdditive manufacturing apparatusGeneral water supply conservationThermodynamicsPhotothermal conversion
This invention relates to the field of materials technology, and more particularly to a 3D-printed, internally hollowed-cone solar interface evaporator with directional salt deposition function, its preparation method, and its application. The invention includes step 1: three-dimensional model construction; step 2: substrate surface pretreatment and chemical activation; and step 3: hydrothermal preparation of a Co-Bi-S coating. This invention uses a 3D-printed porous, internally hollowed-cone resin device as a substrate, and grows a Co-Bi-S coating in situ on its surface using a hydrothermal method. This coating exhibits both excellent photothermal conversion performance and corrosion resistance. The evaporator structure is designed as a porous, internally hollowed-cone shape, which provides a larger evaporation area, stronger light capture and focusing capabilities, and can achieve higher evaporation temperatures and directional salt deposition effects. The prepared solar interface evaporator exhibits excellent photothermal conversion performance and water evaporation efficiency, and also demonstrates good structural stability and corrosion resistance. This solves the technical problems of low photothermal conversion efficiency and poor stability in high-salt environments inherent in traditional solar evaporators, making it suitable for applications such as seawater desalination.
Owner:NANTONG UNIV
A bio-based hybrid polymeric water-repellent cementitious material and a method of making the same
The application discloses a kind of bio-based hybrid polymerization water-repellent cementitious materials and preparation method thereof, belong to building material technical field, solve the problem that traditional cement-based cementitious material is easy to scatter in water, pollute environment and low later strength when used for underwater construction, the water-repellent cementitious material is composed of the following mass parts of raw materials: 100 parts of fast hardening cement, 25-50 parts of stone powder, 25-50 parts of fly ash, 10-15 parts of silica powder, 25-35 parts of metakaolin, 0-10 parts of nano clay, 1-2 parts of water reducing agent, 0.5-5 parts of starch, 30-60 parts of water, 5-10 parts of organic monomer, 0.05-0.3 parts of initiation system and 0.005-0.05 parts of crosslinking agent.The water-repellent cementitious material prepared by the application has good dispersion resistance and water repellency underwater, maintains the integrity of components to facilitate the full hydration reaction, and has higher mechanical compressive strength.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD JINHUA POWER SUPPLY CO +1
ABS (Acrylonitrile Butadiene Styrene) rubber powder, PC / ABS (Polycarbonate / Acrylonitrile Butadiene Styrene) composition containing ABS
The invention belongs to the field of high polymer materials, and particularly discloses ABS rubber powder, a PC / ABS composition containing the ABS rubber powder as well as a preparation method and application of the ABS rubber powder. The ABS rubber powder prepared by the invention is high in density, relatively small and uniform in size, can effectively resist erosion of water and oxygen, can obviously improve the mechanical and anti-yellowing stability of a PC / ABS material, has relatively large radius of calcium ions, can effectively reduce the residual stress of a PC / ABS alloy, has a certain improvement effect on the mechanical property stability in long-term service, and is suitable for industrial production. The Ca element cooperates with the hindered phenol antioxidant to effectively and quickly decompose free radicals, so that the stability of the mechanical property and the yellowing resistance of the material in a humid and hot environment is further improved, and the PC / ABS composition has relatively high stability of humid and hot aging resistance, thermo-oxidative aging resistance and yellowing resistance, and is suitable for industrial production. And long-term service at damp and hot and high temperature is facilitated.
Owner:KINGFA SCI & TECH CO LTD