136 results about "Gfrp composite" patented technology

The invention discloses a corrosion-resistant offshore wind power FRP-steel composite tower tube structure multi-objective optimization design method. The method comprises the following steps that a composite tower tube structure in an outer layer GFRP-steel tube-inner layer GFRP composite section form is adopted below the sea level and in a splash zone; mapping the coupling load time history to a parameterized finite element model of the composite tower tube structure; constructing a multi-objective optimization function by taking the minimization of the total manufacturing cost of the composite tower drum structure, the minimization of the total mass of the composite tower drum structure and the maximization of the total volume proportion of the GFRP material of the composite tower drum structure as objectives; and establishing a constraint evaluation system, carrying out iterative optimization on the multi-objective function by adopting a fast non-dominated sorting genetic algorithm with an elitist retention strategy, outputting a Pareto optimal solution set, and selecting a final implementation scheme. The problems that a traditional pure steel tower drum is large in corrosion loss and the design is difficult to balance multiple performance targets in the severe ocean environment can be solved.

The invention discloses a modified epoxy / glass fiber composite material as well as a preparation method and application thereof, and particularly relates to a preparation method of a composite insulating material for high-voltage power equipment, in particular to encapsulation insulation of a dry-type air-core reactor. The invention aims to meet the requirements of key high-voltage power equipment such as the dry-type air-core reactor on the mechanical and insulating properties in the long-term service process of the key high-voltage power equipment. The epoxy resin is mainly used as a matrix, the alkali-free glass fiber cloth is used as a reinforcement, and the epoxy-terminated liquid nitrile rubber and Al2O3 are used as fillers to prepare the composite material, and the composite material has better thermal stability and mechanical properties. The produced encapsulating material for the dry-type air-core reactor is obviously improved in mechanical bending and electrical insulation properties, and the thermal-vibration aging life of the encapsulating material is obviously prolonged. The method is applied to the technical field of high-voltage insulating materials.

The invention belongs to the technical field of glass fiber composite materials, and particularly relates to a flame-retardant, heat-insulating and sound-absorbing composite material and a preparation method thereof. By adding zirconium oxychloride, gadolinium nitrate and other materials, the flame retardant property of the composite material is enhanced, the inflammability of the composite material under a high-temperature condition is effectively reduced, and the safety of the material under an extreme condition is improved; the introduction of the phase change material is beneficial to heat management of the material, and heat can be absorbed and stored in a high-temperature environment, so that a good heat insulation effect is provided; the materials such as the modified glass fibers and the basalt fibers are added, and the fibers have good acoustic performance and can effectively reduce noise transmission, so that the sound absorption effect is improved; therefore, the mechanical property of the material is improved, the good durability and stability of the material are ensured, and the long-term reliability of the material is ensured.

The invention relates to the technical field of composite materials, and discloses a modified glass fiber and PFA composite material and a preparation method thereof. The preparation method of the modified glass fiber comprises the following steps: desizing glass fiber, carrying out etching treatment through an acid solution, washing to be neutral, and drying to obtain activated glass fiber; preparing a resin reaction solution; and adding perfluorosilane and the activated glass fiber into the resin reaction solution, stirring, separating the activated glass fiber, and carrying out heat treatment to obtain the modified glass fiber. The glass fiber surface is coarsened and then coated with the organic resin layer, the organic resin layer has excellent elastic modulus and heat resistance, a porous organic interface layer can be formed, the interface lubricity is improved by adding perfluorosilane, melting with PFA and mechanical anchoring can be facilitated, and the mechanical performance of the glass fiber is improved. The possible phase separation problem of a traditional composite material during blending doping is comprehensively improved, and the mechanical performance of the glass fiber reinforced PFA composite material can be obviously improved.

The invention relates to the technical field of flame-retardant polyamide materials, in particular to flame-retardant modified glass fibers, a preparation method thereof and application of the flame-retardant modified glass fibers to flame-retardant reinforced polyamide. The preparation method of the flame-retardant modified glass fiber sequentially comprises the following steps: dispersing glass fiber in an alcoholic solution, adding an amino coupling agent, and performing activation reaction to obtain aminated glass fiber; and dispersing the aminated glass fiber in an organic solvent, adding the focused piperazine phosphate-melamine polyphosphate random copolymer, and reacting to obtain the flame-retardant modified glass fiber. After the glass fiber is modified, the polymer / glass fiber composite material quickly forms an expanded, compact and hard carbon layer on the surface of the glass fiber at high temperature, so that the candlewick effect is inhibited, and the mechanical property of the composite material can be enhanced at the same time. According to the technical scheme, the technical problem that the mechanical property and the flame retardant property of the glass fiber modified polyamide composite material in the prior art are difficult to optimize at the same time can be solved, and the glass fiber modified polyamide composite material has ideal popularization and application prospects.

The invention relates to the technical field of composite glass fibers, in particular to a production method of reinforced composite glass fibers, which comprises the following steps: S1, wiredrawing; s2, cleaning; s3, performing infiltration; s4, coating is carried out; and S5, extruding. The production system comprises a cleaning box, a first wiping part, an infiltration box and a second wiping part which are sequentially arranged, the first wiping part and the second wiping part each comprise a supporting frame and a wiping wheel, the wiping wheels are rotationally connected with the supporting frames, glass fiber drawn wires horizontally penetrate through the upper portions of the wiping wheels, and the first wiping part further comprises a heating plate; the heating plate is located below the wiping wheel. Glass fibers are cleaned and infiltrated through the cleaning box and the infiltrating box, after the cleaning and infiltrating processes, glass fiber drawn wires are wiped through the first wiping part and the second wiping part, excessive water is removed, the situation that the excessive water affects infiltrating of the glass fibers is avoided, and the finished product performance of the glass fiber composite material is guaranteed.

The invention discloses a battery pack upper cover structure and a continuous glass fiber composite material battery, and relates to the technical field of vehicles, the battery pack upper cover structure comprises a cover body and a metal insert; a flange face is arranged on the cover body in a protruding mode towards the circumferential side along the joint, and a first installation hole is formed in the flange face in a penetrating mode. The metal insert is annularly arranged and is fixedly arranged in the first mounting hole; the metal insert comprises an inner end body and an outer end body which are arranged in a stepped mode in the thickness direction of the cover body. The inner end body is clamped on the end face of the inner side of the cover body, the upper end body protrudes out of the upper end face of the cover body, and the bolt is installed in the first installation hole from the annular hole of the metal insert. According to the technical scheme, the flange face is arranged at the joint of the cover body in the protruding mode, then the first installation hole is formed in the flange face in the penetrating mode, the metal insert is fixedly arranged in the first installation hole, the upper end body of the metal insert protrudes out of the upper end face of the cover body, and the bolt is installed in the first installation hole from the annular hole of the metal insert, so that the bolt does not make contact with the flange face; and therefore, the tightening force during bolt connection is not attenuated.

The invention belongs to the technical field of building materials, and particularly relates to heat-preservation and sound-insulation mortar as well as a preparation method and application thereof. The limestone is subjected to amination treatment, the glass fiber composite material and the modified silicon dioxide are used together, and through the synergistic effect of multiple components, the compressive strength and sound insulation performance of the mortar are effectively improved, and meanwhile, the heat conductivity coefficient is reduced, and efficient heat preservation is achieved.

The invention discloses a light high-strength corrosion-resistant composite insulated electric pole and a preparation method thereof, and belongs to the technical field of power transmission facilities. The electric pole is of a conical hollow structure, and an inner tough layer, a structural layer and an outer protective layer are sequentially compounded on a wall layer from inside to outside. The inner tough layer is made of a hyperbranched polyester modified epoxy vinyl ester-glass fiber composite material, so that the electric pole is endowed with excellent bending resilience performance; the structural layer is made of S glass fiber and T700 carbon fiber hybrid reinforced epoxy resin, so that high strength and rigidity are ensured; the outer protective layer is a fluorinated polyurethane / boron nitride composite coating, and provides long-acting weather resistance, corrosion resistance and insulation protection. According to the invention, through collaborative design of multi-layer materials and an integrated forming process, light weight, high mechanical strength, excellent insulativity and recoverability after bending of the electric pole are realized, and the electric pole is suitable for electric power line construction in a harsh environment.

The invention relates to an MOF glass fiber composite material as well as a preparation method and application thereof. The MOF glass fiber composite material comprises: a glass fiber substrate; the MOF material is loaded on the surface of the glass fiber substrate; the functional modification layer is positioned on the surface of the MOF material; the functional modification layer comprises one of amino, carboxyl and hydroxyl. The MOF and the glass fibers are compounded and subjected to functionalization treatment, so that the material has efficient CO2 adsorption performance and gas selectivity, low-energy-consumption regeneration is realized, the mechanical strength and thermal stability of the material are enhanced, and the material is suitable for industrial environments.

The invention relates to the technical field of recovery of glass fibers in retired wind power blades, and provides a method for separating glass fibers from retired wind power blades, which not only has high degradation rate, high glass fiber strength retention rate and low glass fiber fracture rate, but also can consider high yield of fibers with the length of 1-10mm and high proportion of fibers with the length of 3-7mm. The method comprises the following steps that S1, the retired wind power blade is disassembled, and a non-glass fiber composite material part is removed; s2, the disassembled blades are subjected to coarse crushing; then carrying out fine crushing to obtain a fine crushed material; s3, putting the finely crushed material into a degradation solution, carrying out degradation reaction at the temperature of 150 DEG C or above, and filtering after the reaction is completed, so as to obtain glass fiber filter residues; the degradation solution is a benzyl alcohol aqueous solution added with ferric chloride and / or zinc chloride; s4, cleaning the glass fiber filter residues, and then drying to obtain pure glass fibers.

The invention discloses a fording damaged pier reinforcing structure and a design method and a construction method thereof, and belongs to the technical field of bridge reinforcing. The bridge pier reinforcing structure comprises an assembly type prestress sleeve which is arranged outside a damaged bridge pier in a surrounding mode, and an annular space is formed between the assembly type prestress sleeve and the damaged bridge pier; the annular space is filled with the concrete pouring layer, and the concrete pouring layer is used for bonding the damaged bridge pier and the assembly type prestressed sleeve and providing bearing force supplement for the damaged bridge pier; the fabricated prestressed sleeve is made of a glass fiber composite material; a plurality of annular prestressed tendons are fixed in the fabricated prestressed sleeve, prestress is applied to the prestressed tendons before a concrete pouring layer is poured, and the prestressed tendons are used for applying lateral restraining force to the concrete pouring layer and the damaged pier after pouring is completed. The bridge pier reinforcing structure is simple in construction, high in efficiency, low in cost, good in repairing effect and high in durability for wading bridge piers.

The utility model provides a telescopic anti-frost-crack composite tap water pipeline structure, which belongs to the technical field of tap water pipes and comprises a tap water pipeline body and corrugated telescopic sections, the corrugated telescopic sections are equidistantly arranged on the tap water pipeline body, and the tap water pipeline body comprises a composite layer, a heat preservation layer and an anti-corrosion coating. A heat preservation layer is fixedly arranged on the outer side surface of the composite layer, and an anti-corrosion coating is fixedly arranged on the inner side surface of the composite layer. The composite layer, the heat preservation layer and the anti-corrosion coating are arranged, the composite layer is made of high-density polyethylene and glass fiber composite materials, the strength and low-temperature resistance of the tap water pipeline body can be guaranteed, the tap water pipeline body can be prevented from frost cracking caused by low temperature, the heat preservation layer is made of polyurethane foam materials, and the heat preservation effect is good; heat loss on the tap water pipeline body can be reduced, the heat preservation effect is improved, the anti-corrosion coating is a polyethylene coating, corrosion resistance is good, the inner wall of the tap water pipeline body can be prevented from being corroded, and the service life is prolonged.

The invention relates to a high-strength rough-surface winding core pipe and a processing technology thereof. The high-strength rough-surface winding core pipe comprises the following components in parts by mass: 200-240 parts of polyvinyl alcohol, 80-100 parts of epoxy resin, 30-36 parts of a glass fiber composite material, 42-50 parts of an epoxidized soybean oil compound, 8-10 parts of a dispersing agent and 6-8 parts of a toughening agent. The glass fiber composite material comprises modified glass fibers and composite carbon fibers. The effect of improving the strength of the roll core pipe is achieved.

The utility model belongs to the technical field of automobiles, and discloses a composite material gas cylinder and an automobile. The composite material gas cylinder comprises a gas cylinder body and a positioning bandage, the gas cylinder body comprises a gas cylinder inner container, a carbon fiber composite material layer and a glass fiber composite material layer, the carbon fiber composite material layer is wound on the outer side of the gas cylinder inner container, and the glass fiber composite material layer is wound on the outer side of the carbon fiber composite material layer. A positioning ring table is arranged on the outer side of the glass fiber composite material layer in the circumferential direction of the gas cylinder body; the positioning bandage comprises a bandage body and rubber layers, the rubber layers are arranged on the side face and the bottom face of the bandage body, the positioning bandage is wound around the outer side of the glass fiber composite material layer in the circumferential direction of the gas cylinder body, and the side face of the positioning bandage is close to the side face of the positioning ring table. When an automobile is braked, the positioning annular table makes contact with the rubber layer on the side face of the positioning bandage to form limiting, so that axial movement of the gas cylinder body is limited, and the safety problems such as part damage and system leakage are reduced.

The invention belongs to the field of recycling plastic waste, particularly mixed plastic, recycling of which is very challenging. The invention relates to a device and a method for processing mixed waste plastic (MWP) and products made from mixed waste plastic. The mixed waste plastic comprises at least two of the following plastics: acrylonitrile butadiene styrene (ABS), ABS and glass fibre composite (ABS GF), polycarbonate (PC), polycarbonate and glass fibre composite (PC GF), PC-ABS composite, polyamide (PA), polybutylene terephthalate (PBT), and quartz sand (QS) with granulation up to 3 mm mixed in a selected ratio, which is from 30% : 70% to 60% : 40%. The method comprises the following steps: a) mixing MWP and QS, b) leading the prepared mixture to the extruder comprising a shaft with blades arranged for mixing and moving the material along the extruder, wherein the extruder is heated to a temperature between 200 and 250 °C, c) extruding the material from the extruder to a heated container, heated so that the temperature of the material inside it is between 210 and 240 °C, d) leading the material into a mould inside a press arranged to compress the mould, which presses the material into the desired shape, wherein said mould is cooled so that the product is cooled to a temperature between 60 and 90 °C and hardens.

The present invention relates to a multi-material rod (10) comprising: - a core (16), extending in a direction of extension (AX), made of a carbon fiber composite material (12) or formed of an assembly comprising a core made of a carbon fiber composite material (12) and a layer of glass fiber composite material (14) which surrounds the core; and - an outer casing (18) providing electrical and / or UV and / or moisture insulation of the core, this outer casing (18) coating the core (16) along the direction of extension by being formed of a varnish which adheres mechanically and / or chemically to this core (16); in which the casing (18) has an elongation at break which is substantially equal to or greater than the elongation at break of the core (16). Figure for abstract: Fig.1

The utility model relates to the technical field of composite material forming, in particular to a one-machine two-output carbon plate winding tool which comprises a first winding machine and a second winding machine which are arranged front and back, and a leading-out assembly used for leading out two-output carbon plates. The first leading-in assembly is used for leading one carbon plate into the first winding machine from the leading-out assembly; the rail assembly is arranged between the guiding-out assembly and the second winding machine, passes through the top of the first winding machine and guides the other carbon plate from the guiding-out assembly to the top of the first winding machine; and the second leading-in assembly is used for leading the carbon plate into the second winding machine from the rail assembly. According to the winding machine, the problem that two winding machines are directly arranged side by side is avoided, and the problems of space limitation and low efficiency in the traditional winding process are effectively solved. The tool is compact in structure and suitable for efficient production and winding of the carbon fiber composite material or the glass fiber composite material, and the overall production efficiency and the product quality are improved.

The invention discloses a novel sleeper for an intercity railway, and relates to the technical field of railway track engineering, the novel sleeper comprises a pair of sleeper blocks arranged at an interval, a steel reinforcement framework is arranged in each sleeper block, and a fastener sleeve is pre-buried in each sleeper block; the connecting bar is made of a glass fiber composite material, the cross section of the connecting bar is a non-circular section, and the two ends of the connecting bar are embedded in the pair of sleeper blocks respectively, so that the pair of sleeper blocks are connected to form an integral structure. The method has the beneficial effects that (1) factory integrated prefabrication is carried out, so that the product quality and consistency are ensured, and the field construction amount and cost are greatly reduced; (2) the regular hexagonal rhombic connecting bars provide excellent tensile strength and insulativity, and the unique shape of the regular hexagonal rhombic connecting bars enhances the bond stress with concrete; (3) the stability of the upper structure of the rail is ensured by the high precision and high pulling resistance of the sleeve; and 4) the bonding between the sleeper and a ballast bed is enhanced through the roughening treatment of the side surface, and the generation and development of cracks of the ballast bed are effectively inhibited.

The invention provides a modified polyether-ether-ketone resin composite material as well as a preparation method and application thereof, and belongs to the field of high-molecular polymer materials. The modified polyether-ether-ketone resin / glass fiber composite material with a continuous chemical gradient interface is prepared through the interface bonding design of the polyether-ether-ketone oligomer containing the phenylacetylene functional group, the respective plasticizing and co-extrusion composite process and the reverse gradient structure design with the hard outside and the tough inside; the composite material is used for a high-performance robot exoskeleton device, and the problems that the strength and toughness of a traditional composite material are difficult to maximize at the same time, layers of a multi-layer or gradient material are easy to strip and lose efficacy, and a high-performance complex component is tedious in preparation process and low in efficiency are solved. The composite material provided by the invention has excellent mechanical properties and anti-aging and anti-fatigue properties, shows certain heat resistance during high-temperature heating, and shows great application potential in the field of high-end medical devices.

The application discloses a kind of corrosion-resistant offshore wind power FRP-steel composite tower drum structure multi-objective optimization design method, comprising the following steps: below sea level and splash zone are adopted with outer layer GFRP-steel pipe-inner layer GFRP composite cross-section form composite tower drum structure;Coupling load time history is mapped to the parameterized finite element model of composite tower drum structure;With the total manufacturing cost minimization of composite tower drum structure, the total mass minimization of composite tower drum structure, the total volume proportion maximization of GFRP material of composite tower drum structure is as target, and multi-objective optimization function is constructed;Establish constraint evaluation system, and the fast non-dominated sorting genetic algorithm with elite reservation strategy is used to iteratively optimize multi-objective function, and output pareto optimal solution set and select final implementation scheme.The application can solve the problem that traditional pure steel tower drum is greatly corroded and difficult to balance multiple performance targets in harsh marine environment.

The application relates to the technical field of epoxy resins, and discloses a weather-resistant epoxy resin-glass fiber composite material and a preparation method thereof. The weather-resistant epoxy resin-glass fiber composite material comprises 100 parts by weight of an epoxy resin, 4-15 parts by weight of modified polystyrene, 10-25 parts by weight of glass fiber and 9-12 parts by weight of an amine curing agent. The modified polystyrene contains a large amount of hydroxyl groups, can interact with the surface of the glass fiber, realizes surface coating of the glass fiber, is favorable for improving the dispersibility of the glass fiber and improving the mechanical properties of the epoxy resin composite material. The main chain of the modified polystyrene molecule contains a large amount of flexible ether bonds, has a good toughening effect on the epoxy resin, is favorable for improving the toughness and impact strength of the epoxy resin, and the weather-resistant performance of the composite material is excellent.

The application discloses a polyurethane glass fiber composite communication guyed tower, and belongs to the technical field of guyed towers. The polyurethane glass fiber composite communication guyed tower comprises a tower base, the inside of the tower base is provided with a first tower which is fixedly arranged in the tower base, the outside of a connecting mechanism is provided with an anti-loosening mechanism which is used for splicing and fixing the connecting mechanism, and the outside of the anti-loosening mechanism is provided with a splicing mechanism which is used for mounting without punching. The anti-loosening mechanism and the splicing mechanism are arranged, a special locking device is arranged, when the first bolt and the second bolt are tightened, the locking device can clamp the top end of the bolt, the bolt cannot be easily rotated, the loosening of the bolt is effectively prevented, the stability of the connecting position of the first tower and the second tower is ensured, even when the tower is subjected to the interference of external environment, such as strong wind and vibration, the damage of the connecting position caused by the factors can be greatly reduced, and the safety of the overall structure of the tower is ensured.

The invention relates to a compact single-circuit I-type integrated composite insulation tower which comprises a tower head part, a tower body part and a tower base part. The tower head part comprises a grounding leading-down steel pipe, a glass fiber composite material, a wire steel ring and a wire clamp; the grounding leading-down steel pipe is wrapped by a glass fiber composite material, a plurality of wire steel rings are arranged on the surface of the glass fiber composite material, umbrella skirts are formed among the wire steel rings, and wire clamps are fixed on the wire steel rings. The invention has the beneficial effects that the insulation distance between phases is compressed by utilizing the insulation capability of the tower body, and the spaces on the two horizontal sides of the tower are saved; and the wire is directly fixed on the tower head of the tower, and the tower provides mechanical fixation and support, so that the wind deflection angle of the wire is also reduced.

The invention belongs to the technical field of glass fiber reinforced plastic composite material production, and particularly relates to a glass fiber reinforced plastic composite material waste gas control process which comprises the following steps: S1, waste gas collection: conveying waste gas by adopting a glass fiber reinforced plastic pipeline; s2, rotating wheel concentration: low-concentration VOCs are adsorbed by using a zeolite rotating wheel, the concentration is increased after desorption, and a desorption heat source is recycled waste heat; s3, pretreatment: sequentially passing through a detachable glass fiber filter cartridge-activated carbon layer, superheated water molecule reaction and pulse electrostatic treatment; s4, deep treatment: catalyzing, combusting, oxidizing and degrading organic matters; and S5, heat energy recovery, wherein a ceramic honeycomb heat exchanger conducts countercurrent flow heat exchange, and air is preheated to 120 DEG C or above for reuse. Through the combined process of rotating wheel concentration and catalytic combustion, low-concentration waste gas is concentrated and then treated, the combustion efficiency is improved, and the energy consumption is reduced; particulate matters and part of VOCs (Volatile Organic Compounds) are removed through three-stage pretreatment of dry filtration, superheated water molecular reaction and pulse static electricity, and efficient and low-consumption treatment is realized through staged purification and heat energy recovery.

The invention discloses a self-repairing device for a cement pole composite insulating sheath with a structural curing agent. The self-repairing device comprises a cement pole; the FRP glass fiber reinforced ring pipe is arranged outside the cement electric pole in a sleeving manner, and the FRP glass fiber reinforced ring pipe and the cement electric pole are concentrically arranged; connecting structures are arranged at the two ends of the FRP glass fiber reinforcing ring pipe, each connecting structure comprises a connecting tooth head and a connecting tooth head which are matched with each other, the connecting tooth heads are fastened through mortise and tenon structures, and tooth openings are filled with structural adhesive to achieve seamless connection. According to the self-repairing device for the cement pole composite insulating sheath with the structural curing agent, the FRP glass fiber composite material is adopted, the weight is far lower than that of a traditional cement pole, the self-repairing device is conveniently carried by a worker to go uphill, and the construction difficulty is reduced; the old electric pole does not need to be disassembled, a sheath is directly arranged in a sleeving mode, repairing liquid is injected, hot-line work is achieved, and the influence of power failure is avoided.

The invention belongs to the technical field of glass fiber composite materials, and particularly relates to a modified glass fiber asphalt composite protective pad for a submarine pipeline and a preparation method. The protective pad comprises an asphalt base layer, a CNTs modified glass fiber reinforcement layer and a nano-montmorillonite modified asphalt outer surface layer, the thickness of the asphalt base layer is 20-30 mm; the thickness of the CNTs modified glass fiber reinforcement layer is 10 to 15 mm; the spraying thickness of the nano-montmorillonite modified asphalt is 2-9 mm, the CNTs modified glass fiber reinforcement layer constructs a nanoscale reinforcement phase on the fiber surface, and the MMT modified asphalt outer surface layer remarkably inhibits seawater chloride ion permeation and delays asphalt aging through layered structure physical barrier and ion exchange effects. The protective pad prepared by the invention meets the requirements of flexibility and rigidity, not only can adapt to irregular surface laying of the submarine pipeline, but also can directionally enhance the tensile strength through a fiber laying design (unidirectional / orthogonal), and is simple in preparation method and suitable for industrial production.

The invention discloses a preparation method of a regenerated glass fiber cement-based composite material. The method comprises the following steps: preparing regenerated glass fibers, specifically comprising the following steps: mechanically crushing a waste glass fiber reinforced plastic composite material to obtain a glass fiber composite material matrix, and pyrolyzing to obtain regenerated fiber agglomerates; screening and shearing the regenerated fiber mass to obtain regenerated fibers; carrying out drying pretreatment on the regenerated fibers, and then carrying out heat treatment at 550-650 DEG C to obtain regenerated glass fibers; the regenerated glass fiber cement-based composite material is prepared from the following components in 2000 parts by weight: 450-550 parts of cement, 1200-1400 parts of fine aggregate, 9-36 parts of regenerated glass fiber, 8-12 parts of a water reducing agent and 180-200 parts of water. The mechanical property and durability of the composite material can be improved, and the waste fan blade can be effectively recycled.

Fiber reinforced composites include polypropylene produced in the presence of a metallocene catalyst, a heterophasic propylene copolymer produced in the presence of a Ziegler-Natta catalyst, and glass fibers.

The invention relates to the technical field of glass fiber processing, in particular to a glass fiber processing technology which comprises the following steps: S1, preparing raw materials; s2, raw material pretreatment; s3, melting the raw materials; s4, manufacturing glass fibers; s5, treating the glass fibers; s6, preparing and forming a composite material; s7, surface treatment and finishing; s8, product detection and quality control; s9, optimizing a production process; and S10, production line optimization and equipment maintenance. By adding the waste glass, the loss of raw ore is reduced, the purchasing cost of the raw materials is reduced, the loss of mineral resources is reduced, the processing cost of the glass fiber is reduced, cleaning and drying operations are performed before melting of the raw materials, the purity of a glass melt is improved, wire drawing operation is performed through a high-speed spinning technology, the uniformity and strength of the fiber are improved, and the production cost is reduced. The strength of the glass fiber is further improved by dipping the treated glass fiber and mixing the carbon fiber and the Kevlar fiber in the glass fiber.