238 results about "Fibre cement" patented technology

The invention discloses a fiber cement board production line information big data system and method, and the method employs a data processing and analysis algorithm based on artificial intelligence and deep learning to carry out the time sequence feature analysis and fine-grained time sequence feature response correlation coding of real-time temperature, real-time humidity, real-time viscosity and real-time stirring speed. In this way, time sequence fine-grained response interaction characteristics between the temperature, humidity and viscosity and the stirring speed in the stirring process are learned and captured, and time sequence reasoning of stirring speed control is carried out through Bayesian posterior probability calculation among the time sequence fine-grained response interaction characteristics of the temperature, humidity and viscosity in the stirring process, so that the stirring speed value of the next time point is determined. And generating an adjusting instruction. In this way, intelligent control over the stirring process of fiber cement board production can be achieved, and the stability and uniformity of the stirring process can be guaranteed.

The invention provides an automatic control system and method for fiber cement board polishing equipment, and relates to the field of intelligent production control. And carrying out local time sequence correlation analysis and kernel principal component time sequence dynamic aggregation on the pressure data of the polishing head by adopting a data analysis and processing technology based on artificial intelligence, and carrying out waveform semantic extraction on a vibration signal of the polishing head so as to automatically recommend a pressure data value of the polishing head at a next time point. Therefore, the parameter change in the polishing process can be monitored in real time, and the pressure of the polishing head can be dynamically adjusted, so that the workload of operators is relieved, and the control accuracy is improved. And pressure self-adaptive adjustment can be carried out by adapting to tiny differences of different materials, so that intelligent control over the polishing process is achieved.

The invention relates to the technical field of compressive strength prediction of desert sand hybrid fiber cement-based composite materials, in particular to a 28d strength prediction method of a desert sand hybrid fiber cement-based composite material, which comprises the following steps: performing formula fitting on compressive strength at different ages; the function expression between the compressive strength and the number of maintenance days is # imgabs0 #, T is the number of maintenance days, and sigma c is the compressive strength of the corresponding age; a < lambda > and b < lambda > are regression coefficients considering the influence of fiber types and relative mixing amounts, the influence of fiber influence factors on a < lambda > and b < lambda > is considered, a fitting formula of sigma < c > about the fiber influence factor < lambda > and the curing age T is obtained, and lambda and T = 28 are substituted into a prediction formula # imgabs1 #, so that the 28d compressive strength of the desert sand hybrid fiber cement-based composite material can be determined. The prediction method is feasible and effective, and can accurately and quickly predict the 28d compressive strength of the desert sand hybrid fiber cement-based composite material, so that the detection period is shortened.

The method and the facility enable cement-based powders with reduced fiber concentration to be obtained. The method includes providing millimeter-sized fragments derived from waste fiber cement material. The debris is supplied to a roller mill (10) comprising a rotating horizontal grinding track (13) and one or more rollers (12) configured to rotate about a fixed axis of rotation wherein the debris is ground between the grinding track (13) and a lateral surface of the rotor (12) and reduced to agglomerates comprising microsized particles. The separation of these particles from the fibers takes place after drying during upward airflow in the milling chamber of the apparatus. In an air classifier (14), the particles of smaller size are separated from heavier fragments together with (light) fibers. After this, particles of smaller size are separated from the majority of the fibers in the screen (20).

The invention discloses a method and device for testing moisture migration in the frost heaving and thaw collapse process of fiber cement soil based on low-field nuclear magnetic resonance, and relates to the field of cement soil testing engineering.The method comprises the steps that T2 spectrums of the whole freezing process and the whole thawing process of a fiber cement soil sample are obtained; inverting a three-dimensional moisture distribution diagram of the whole freezing process and the whole melting process of the fiber cement soil sample according to the T2 spectrum; and determining moisture migration conditions of the whole freezing process and the whole melting process of the fiber cement soil sample according to the three-dimensional moisture distribution diagrams of the whole freezing process and the whole melting process of the fiber cement soil sample. According to the method, T2 spectrum data is mapped to a three-dimensional space position on the basis of a nuclear magnetic resonance (NMR) signal gradient positioning technology, and a pixel-level three-dimensional moisture distribution diagram of a fiber cement soil sample is obtained by performing data inversion on a T2 spectrum, so that pixel-level moisture migration conditions in the freezing process and the melting process of the fiber cement soil are visualized.

The invention relates to the technical field of concrete materials, and discloses a method for preparing an ultra-high performance concrete new material by using special fibers, and the method comprises the following steps: S1, raw material preparation: preparing wood ash, special fibers, cement, a mineral admixture, a fine aggregate, a coarse aggregate, a water reducing agent and water; s2, raw material pretreatment, wherein wood ash is ground for refining treatment; s3, mixing and stirring: adding the cement, the mineral admixture, the fine aggregate and the coarse aggregate into a stirrer, carrying out dry stirring for a certain time, adding the treated wood ash and the special fibers, continuously stirring uniformly, then adding water and a water reducing agent, and continuously stirring; and S4, forming and curing, wherein the stirred concrete is poured into a mold. Through a specific preparation process, the cement, the mineral admixture and the specially treated wood ash have a synergistic effect, so that high compressive strength and breaking strength are provided for the concrete, and the concrete has good performance.

The invention discloses a fiber reinforced cement board forming device which comprises a separation assembly, the separation assembly is arranged on a base, the separation assembly comprises a plurality of insertion plates and springs arranged between the adjacent insertion plates, and the insertion plates are embedded in gaps between the adjacent templates when a pressing plate is pressed and formed; after the pressing plate is lifted, the springs deform to increase the distance between the adjacent inserting plates, and the fiber cement plate and the formwork are separated. A vertical rod is arranged on the base, the inserting plate is movably arranged on the vertical rod, and the inserting plate can move in the axial direction of the vertical rod. Through the arranged separation assembly, when or after the alternately stacked fiber cement boards and the formworks are pressed, rapid pre-separation between the alternately stacked fiber cement boards and the formworks can be achieved, so that the separation efficiency of the fiber cement boards and the formworks is improved, the next production stage is rapidly started, and the production efficiency of the fiber cement boards and the formworks is improved. The production efficiency of the fiber cement board is improved.

The invention discloses a coal gangue-based ceramic tile adhesive for thin-layer paving and a preparation method of the coal gangue-based ceramic tile adhesive, and belongs to the technical field of adhesives. Comprising the following raw materials: 450-550 parts of composite coal gangue powder, 250-300 parts of ordinary Portland cement, 15-20 parts of copolymer rubber powder, 1-2 parts of hydroxypropyl methyl cellulose, 0.2-0.5 part of starch ether, 5-8 parts of sodium formate, 8-10 parts of reinforced fibers, 10-15 parts of an early strength agent and 180-200 parts of water. Coal gangue powder is subjected to decarburization treatment, reaction activity is improved, the coal gangue powder is adsorbed in filling pores of phase change microcapsules to reduce the water absorption rate and enhance the mechanical property and durability, then a silane coupling agent KH570 solution is used for modification, the water resistance is optimized, and tetrapod-like zinc oxide enhanced fibers, cement, rubber powder and the like are matched to achieve the synergistic effect, so that the waterproof performance is improved. The coal gangue-based ceramic tile adhesive for thin-layer paving is obtained, and the environmental protection and performance requirements are both considered.

The utility model discloses an assembly type high-strength fiber cement board which comprises a board body, a limiting block is fixedly connected to one end of the outer side of the board body, a limiting groove is formed in the other end of the outer side of the board body, the limiting block corresponds to the limiting groove, a first open groove is formed in the limiting block, and a second open groove is formed in the first open groove. First springs are fixedly connected to the interiors of the first open grooves, first limiting plates are fixedly connected to the other ends of the first springs, and the limiting blocks and the limiting grooves are arranged so that correspondence can be conveniently achieved when the fiber cement boards are assembled; meanwhile, the two fiber cement boards can be conveniently and rapidly positioned and assembled under the action of positioning grooves and positioning blocks, meanwhile, dual positioning can be achieved under the action of mounting blocks and mounting grooves, the stability of the fiber cement boards after assembly is improved, multiple locking can be achieved under the cooperation of positioning bolts and screw holes, and the practicability is high. The strength of the fiber cement board in use is improved.

According to the beam-column stainless steel joint suitable for the ocean island reef environment, a stainless steel annular partition plate is arranged in a stainless steel sleeve, and a plurality of structural stainless steel bars used for being connected with prefabricated columns are welded to the upper side and the lower side of the stainless steel annular partition plate; a stainless steel beam support and an I-shaped profile which are connected with the precast beam are arranged on the outer side of the sleeve and are fixed through a stainless steel bolt anchor connecting piece. The prefabricated beams and the prefabricated columns are made of stainless steel, fiber reinforced composite material profiles and seawater and sea sand fiber cement-based composite materials. Stainless steel sleeves are used for restraining expansion of the prefabricated columns, stainless steel ribs are constructed to enhance the bending-shear resistance, I-shaped profiles improve the shear resistance of the joints, and stress optimization is achieved; the stainless steel material and the full-steel-free design effectively resist seawater corrosion; the beam support has a template function, construction is simplified through bolt-anchor connection, and the beam support is suitable for rapid assembly in the ocean island reef environment. The method has the advantages of high durability, strong bearing capacity and convenience in construction, and the maintenance cost in the marine environment is obviously reduced.

A composite fibre cement cladding element, comprising a plurality of fibre cement component pieces is provided wherein the fibre cement component pieces are fused together to provide a single unit that gives the appearance of two or more courses of cladding elements in a series.

This utility model discloses a crack-resistant and reinforced autoclaved aerated concrete (AAC) wall panel, comprising an AAC layer composed of a mixture of fiber and concrete. The AAC layer contains three layers of mesh fiber cement reinforcement distributed from top to bottom. A first concave arc-shaped fiber cement reinforcement is positioned between the upper and middle layers, and a second concave arc-shaped fiber cement reinforcement is positioned between the middle and lower layers. The first and second arc-shaped fiber cement reinforcements are symmetrically distributed about the middle layer of mesh fiber cement reinforcement. This utility model improves the overall strength and compressive strength of the wall panel, reduces the risk of cracking, and extends the service life of the wall panel.

The invention discloses a basalt fiber cement-based composite gradient functional material forming device and method, and belongs to the technical field of building material additive manufacturing. The device comprises a main material extrusion bin, at least two sub-material stirring bins, a driving device, a radar level gage and a control system. The functional slurry is stirred and then injected into the sub-material stirring bins for temporary storage, and the top of each sub-material stirring bin is provided with a radar level gage for monitoring the uniformity and rheological property of the slurry in real time. And the control system independently starts each bin blocking device according to a preset gradient model sequence, so that slurry with different functions sequentially flows into the main material extrusion bin, the slurry is extruded and printed layer by layer after being subjected to secondary homogenization and re-checking, the main material bin is emptied after each layer is printed, and the multifunctional gradient composite component with the functions of bearing, sound absorption, heat preservation, decoration and the like is formed. The fiber volume mixing amount is distributed in a stepped mode, continuous transition of performance is achieved, and interface stress is relieved. The method is suitable for key infrastructure construction in severe environments such as open sea islands and reefs.

The utility model relates to the technical field of building decoration, in particular to a damping and noise-reducing supporting structure for an indoor floor rostrum / stage. The structure comprises a keel, a reinforced fiber cement board located on the keel, a surface layer material laid on the reinforced fiber cement board and stand columns supporting the keel to form a three-dimensional frame structure, and rubber filler strips are arranged between the keel and the reinforced fiber cement board. The stand columns are fixed to a building / ground through steel plates, rubber cushion blocks are arranged between the steel plates and the building / ground, and the steel plates and the rubber cushion blocks are fixed to the building / ground through expansion bolts. By arranging the rubber filler strips and the rubber cushion blocks, a double-damping and noise-reducing structure is formed, a sound bridge is blocked, and the structure is safe, convenient to construct, low in manufacturing cost and high in adaptability.

The utility model belongs to the technical field of building walls, and discloses a protective composite anti-explosion wall structure which comprises a first wall, a fireproof layer is fixedly arranged on the side wall of the first wall, and a fiber cement layer is fixedly arranged on the side wall, away from the first wall, of the fireproof layer. A second wall body is fixedly arranged on the side wall, away from the fireproof layer, of the fiber cement layer, and a plurality of protruding blocks are installed on the side wall, away from the second wall body, of the first wall body. The method has the effect of reducing the collapse probability of the wall.

The invention discloses an inorganic permeable crystallization additive for concrete and a use method, and belongs to the technical field of concrete building materials, the inorganic permeable crystallization additive for concrete comprises quartz sand, a composite silicon-based material, a sodium methyl silicate crystallization precipitator, calcium hydroxide, a water reducing agent, an expanding agent, tensile fibers, cement and a fly ash mixture; the composite silicon-based material is prepared by compounding nano silicon dioxide, a POSS (Polyhedral Oligomeric Silsesquioxane) compound and a titanate coupling agent; according to the invention, by adding the tensile fibers, the concrete is prevented from plastically shrinking to generate primary micro-cracks after pouring, the fibers form three-dimensional network support in the concrete to resist shrinkage stress, and the fibers can bridge the micro-cracks, inhibit the expansion of the micro-cracks and postpone the appearance of visible cracks, so that the toughness, bending strength, fatigue resistance and impact resistance of the concrete are remarkably improved; by effectively reducing and refining cracks, a main channel for water permeation is cut off, so that the impermeability of the concrete is indirectly improved.

The utility model relates to a glass fiber cement board which comprises a glass fiber cement board body embedded with a metal plate, the metal plate is composed of a plurality of horizontal straight boards and corrugated boards, and the horizontal straight boards are provided with a plurality of vertical through holes distributed in the length direction of the horizontal straight boards. The corrugated plate is provided with a plurality of transverse through holes which are distributed in the length direction of the corrugated plate and transversely penetrate through the side wall of the corrugated plate. According to the glass fiber cement board, the effect of enhancing the horizontal impact resistance of the glass fiber cement board body is achieved by utilizing the corrugated shape of the corrugated board, and the distance H from the top edge to the bottom edge of the corrugated board is larger than the thickness of the horizontal straight board, so that the metal board can be used for producing the thick glass fiber cement board body; by arranging the vertical through holes and the transverse through holes, fusion connection in the transverse direction and the vertical direction can be provided for the upper cement layer and the lower cement layer of the glass fiber cement board body, so that the internal structural strength is higher, and the situations of fault and falling apart of the glass fiber cement board body are avoided.

The utility model relates to the technical field of hotels, and specifically to a moisture-proof wood veneer structure for hotels, comprising vertical keels and transverse keels, and also comprising wood veneer components, wherein the wood veneer components comprise European pine boards, fiber cement boards, curing layers and auxiliary components, wherein the European pine boards are respectively connected with the vertical keels and the transverse keels, the fiber cement boards are connected with the European pine boards, the curing layers are connected with the European pine boards, and the auxiliary components are arranged on the European pine boards, and both sides of the entire wall can be waterproofed by the fiber cement boards and the curing layers, thereby preventing the independent toilets in the guest rooms from seeping into the wall corners of the guest rooms after the hotel is operated for a long time, thereby preventing the water from contacting the wood veneer in the guest rooms to cause mold or blackening.

The utility model provides an external wall panel forming device, which relates to the technical field of external wall panel forming, and comprises a support frame, a transverse plate, a side plate, a groove, a sliding sleeve, a sliding plate, an extension plate, a connecting rod, a cavity, an air cylinder and an ejection mechanism, one side, close to the upper surface of the side plate, of the folded plate is provided with a slope, the other end of the folded plate is rotationally connected with the side plate, the device further comprises an elastic piece arranged on the outer surface of the side plate, and the folded plate is bound on the outer surface of the side plate through the elastic piece. And after the air cylinders complete stretching and retracting actions, the fiber cement boards can be separated from the side plates and the transverse plates in sequence, and the cement boards are lifted from the interiors of the grooves to the positions above the grooves through the folding plates, so that workers can conveniently transfer the cement boards out, the taking-out efficiency and convenience of the fiber cement boards are improved, and the use effect is good.

The utility model discloses a pipe making machine for manufacturing fiber cement pipes, which comprises a pasting assembly and a support assembly, the support assembly comprises a second base, the outer wall of the second base is fixedly connected with a rotating mechanism, and the outer wall of the rotating mechanism is provided with a supporting mechanism; the supporting mechanism comprises a supporting seat, a hydraulic rod is fixedly connected to the outer wall of the supporting seat, and an annular plate is arranged at one end of the hydraulic rod; the rotating mechanism comprises a side plate fixedly arranged on the outer wall of the second base and a protective fence arranged on the outer wall of the supporting seat, and the outer wall of the side plate is fixedly connected with a motor. According to the pipe making machine for manufacturing the fiber cement pipe, the support assembly is arranged and used in cooperation with the slurry coating assembly, in the using process, firstly, the position of a second base is installed according to needs, a supporting mechanism is sleeved with the cement pipe to be machined, and a hydraulic rod is started and controlled to be used so that the position of an annular plate can be adjusted; and the annular plate is tightly attached to the inner wall of the pipeline, so that use is facilitated.

The invention provides an asphalt powder fiber cement-based composite material which comprises the following raw material components: fibers and a powder material, and the weight of the fibers is 0.5-2% of the weight of the powder material; the powder material comprises the following components in percentage by mass: 0.25%-2.5% of asphalt powder, 40%-60% of cement, 30%-50% of river sand, 5%-25% of fly ash, 0.1%-0.5% of a water reducing agent, 0.25%-1.0% of VAE latex powder and 0.1%-1.0% of a phthalate coupling agent. The asphalt powder fiber cement-based composite material provided by the invention has good mechanical properties, and also has good bending properties, impermeability and corrosion resistance.

The utility model discloses an antiknock board with a veneer and a veneer rolling mechanism, the antiknock board with the veneer comprises a fiber cement core board, an upper surface board, a lower surface board and a veneer, and the veneer is adhered on the outer surface of the upper surface board through hot melt adhesive. According to the anti-knock plate with the veneer, on-site independent construction of the outer veneer is omitted, and the construction period is shortened. The veneer rolling mechanism disclosed by the utility model is used for processing the veneer in the anti-explosion plate with the veneer.

The utility model discloses a composite cement precast slab, which relates to the technical field of cement precast slabs, and comprises a fiber cement layer, and foaming cement layers are arranged on the upper side and the lower side of the fiber cement layer; the fiber cement layer and the foaming cement layer are arranged in parallel, the fiber cement layer and the foaming cement layer are arranged in parallel, the two frameworks are arranged on the two sides of the fiber cement layer respectively, the frameworks are embedded in the foaming cement layer, each framework comprises a plurality of first supporting reinforcing parts and a plurality of second supporting reinforcing parts, and the first supporting reinforcing parts and the second supporting reinforcing parts are arranged in a perpendicularly crossed mode. The framework is composed of the first supporting reinforcing pieces and the second supporting reinforcing pieces, the first supporting reinforcing pieces and the second supporting reinforcing pieces are perpendicularly arranged in the crossed mode, meanwhile, the second reinforcing net is embedded in the foaming cement layer, and the framework is matched with the second reinforcing net, so that the structural strength of the foaming cement layer is effectively improved; meanwhile, the stability and the anti-cracking effect of the foaming cement layer are enhanced.

A cladding system configured to be installed on a building substrate includes a plurality of fiber cement cladding elements and at least one trim element. The plurality of fiber cement cladding elements includes at least a first and second cladding element, each having a front face with a textured pattern, a rear face, first and second mating edges configured to allow mating between the first and second cladding elements, and a plurality of intermediate grooves recessed from the front face. The at least one trim element includes one or more channels configured to receive a portion of at least one of the first and second cladding elements. Each of the plurality of grooves includes a first curved surface, a second curved surface, a third curved surface, a fourth curved surface, and a planar surface positioned between the second and fourth curved surfaces and substantially parallel to the front face.

The application discloses a kind of panel making device of fiber composite wallboard, it is related to wallboard making technical field, including silica sand, wood pulp, mixing, sieving, water separation, pressing, cutting, hardening, inspection, paint spraying, realize the fine control of whole process, effectively improve the quality of fiber composite wallboard, especially in fiber cement wallboard steam curing process is carried out to steam sufficient control, and further improve the uniformity of wallboard maintenance, strengthen the chemical reaction effect between fiber cement wallboard raw materials, and then improve the panel making quality of fiber composite wallboard.

The utility model belongs to the technical field of building materials, and particularly provides a fiber dispersing device which comprises a dispersing container and an air blower, the dispersing container is sequentially provided with a fiber collecting opening, a feeding opening and an air inlet from top to bottom; an air outlet of the air blower is connected with an air inlet of the dispersion container, and the air inlet direction is upward. The fiber dispersing device provided by the utility model is simple in structure and convenient to use, PVA fiber raw materials are dispersed through wind power before pulping, and the problems that PVA fibers are easy to agglomerate in water and are difficult to uniformly disperse in pulp can be effectively solved. On the basis, the utility model further provides fiber dispersing and pulping equipment, the prepared PVA fiber pulp is uniformly dispersed under the condition that a dispersing agent is not added, and uniform suspension liquid can be obtained again by slightly stirring after standing and precipitating. The method can be directly applied to current mainstream slurry flow method and beater-addition method steam-curing-free fiber cement board production lines, and operation of other production sections cannot be affected.

The present invention relates to fiber cement decking products, which comprise at least one or more pigments and which are at least partly coloured in the mass. The present invention further relates to methods for the production of such fiber cement decking products as well as uses of such fiber cement decking products in the building industry. The present invention further relates to fiber cement formulations and fiber cement materials, which are suitable for the production of fiber cement products for decking applications.

The utility model relates to the technical field of real stone paint color detection, in particular to a real stone paint color comparison detection device which comprises a mold making frame and a mold making plate. The upper part of the molding frame is a storage box body for placing the molding plate; a left mold frame and a right mold frame which are separated by a separation strip are arranged in the middle of the mold making frame; an excess material frame is arranged at the lower part of the molding frame; the storage box body is of a convex structure with a closed top, a hollow interior and a downward opening; when the molding frame is idle, the storage box body is turned over along with the molding frame, the opening of the storage box body faces upwards, and the molding plate is placed in the hollow structure of the storage box body. The detection device disclosed by the utility model is placed on a fiber cement board, then a real stone paint standard sample and a real stone paint to-be-detected sample are respectively added into the left mold frame and the right mold frame of the mold making frame, the mold making plate is used for scraping and compacting to be detected, and whether the produced real stone paint is a qualified product or not is determined by observing whether the real stone paint in the left mold frame and the right mold frame has color difference or not. By utilizing the detection device for comparing the colors of the real stone paint, the detection work of the colors of the real stone paint can be efficiently and accurately completed.

The utility model provides an integrated fiber composite thermal insulation wallboard, which belongs to the technical field of building wallboards and comprises a thermal insulation layer, a metal frame and two fiber cement boards, the two fiber cement boards are respectively arranged on the upper surface and the lower surface of the metal frame to form a sandwich structure, and the thermal insulation layer is arranged on the inner side of the metal frame. The side length of the fiber cement board is larger than that of the metal frame, the center of the fiber cement board and the center of the metal frame are overlapped, and the edge of the fiber cement board and the edge of the metal frame form a sandwich type rabbet type clamping groove. The square metal frame is arranged, the square metal frame and the fiber cement board are integrally formed, when the fiber cement board and the metal frame are connected, connection is conducted in the mode that the metal frame is welded to the square metal frame, and the sealing performance between the metal frame and the fiber cement board is improved; moisture in air is prevented from entering the thermal insulation layer in the metal frame, a fireproof thermal insulation material in the thermal insulation layer is prevented from absorbing moisture, and the thermal insulation performance of the thermal insulation layer is guaranteed.

The fiber cement board includes a rectangular body having spaced apart upper and lower edges that are substantially parallel to one another, spaced apart first and second side edges that are substantially perpendicular to the upper and lower edges, and an inwardly facing surface and an outwardly facing surface. The first and second side edges are substantially parallel to one another and connect the upper and lower edges. The lower edge is further provided with a longitudinal groove and the upper edge is provided with a ridge adapted to be inserted into the groove of the lower edge of an adjacent identical fiber cement board. The first side edge is further provided with a groove and the second side edge is provided with a ridge adapted to be inserted into the groove of the first side edge of an adjacent identical fiber cement board.