93 results about "Fibre cement" patented technology

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.

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 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 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 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 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 application discloses a cantilever type expansion joint cover plate, which comprises a web, the back of the web is provided with an I-shaped connecting piece for connecting a wall body, the I-shaped connecting piece is connected with a finished expansion joint cover plate through self-tapping screws, and the surface of the web is provided with a fiber cement pressure plate, the cantilever type thermal insulation integrated plate expansion joint cover plate is invented through local improvement, the deformation joint position thermal insulation plate deformation range along with the main body structure is increased under the condition of ensuring the uniform visual effect of the outer facade thermal insulation integrated plate decoration surface, and the probability of vertical glue joint cracking after gluing is reduced.

The invention discloses an extrusion-molded carbon mineralized fiber cement board and a preparation method thereof, and the preparation method comprises the following steps: dispersing fibers, a plasticizer, a lubricant and a dispersant in water to obtain a fiber suspension; adding powder containing the calcium silicate ore phase into the fiber suspension, and kneading into plastic pug; aging the plastic pug, performing vacuum pugging, and performing vacuum extrusion molding to obtain a fiber cement board blank; and drying and pre-curing the fiber cement board blank, and then carrying out CO2 curing to obtain the carbon mineralized fiber cement board, the raw material formula is simple, the powder with high carbonization activity and low hydration activity is adopted as a gelling component, so that the plasticity of the pug is stable, fibers are uniformly dispersed, and the production efficiency and the product performance of the fiber cement board prepared by an extrusion molding process are remarkably improved by combining normal-temperature and normal-pressure CO2 curing.

The present invention relates to a method for construction of a building unit characterized by the use of fiber cement-plywood composite boards and laminated veneer lumber as parts, and the use of construction adhesive to form and fasten the said parts. The invention also relates to the building units, such as a house, built according to the said method. With the use of only adhesive for fastening the parts of the house, the construction becomes simple and cost- effective. The load-bearing capacity of the structure is superior considering that it is made out of light materials. The 16ft x 16ft layout is based on the structural integrity of the material, the economy of space, decency, security, and comfort at a very affordable price.

A shutter mounting bracket device is provided. The device is comprised of a secure and weather-resistant method for installing outdoor shutters without damaging siding. The device comprises a bracket with a flat mounting portion that anchors to the sheathing beneath the siding, a curved attachment portion that extends through the siding joint, a fastening screw for stability, a threaded shutter fastener for securing the shutter, and a protective grommet to prevent moisture infiltration. The bracket is constructed from corrosion-resistant materials such as galvanized steel or aluminum, while the grommet is made from neoprene or silicone for durability. The design eliminates the need to drill into siding for shutter installation, making it suitable for vinyl, aluminum, or fiber cement siding, where direct drilling could cause long-term damage.

The invention relates to the technical field of formwork construction devices, in particular to a non-dismantling formwork construction device and process for a constructional column. According to the technical scheme, the mounting structure comprises a steel framework, a fiber cement board fixedly mounted on the steel framework and a mounting device for mounting the fiber cement board, and further comprises a plurality of connecting blocks which are fixedly mounted on the steel framework and provided with threaded holes, a plurality of kidney-shaped holes corresponding to the threaded holes are formed in the fiber cement board, and the mounting device comprises a base. According to the device, a fiber cement board can freely move in three directions in a three-dimensional space, hole positions in the fiber cement board can be conveniently adjusted, after the fiber cement board is adjusted, the fiber cement board can be fixed, the fiber cement board can be prevented from shifting when bolts are installed, and the installation efficiency of the fiber cement board is improved. The fiber cement board can be conveniently and finely adjusted, and the difficulty during screw mounting is greatly reduced.

The utility model relates to the technical field of fiber cement flat plates, in particular to a novel fiber cement flat plate connecting structure which comprises two first connecting assemblies, the left end and the right end of each first connecting assembly are each fixedly connected with two supporting screw rods, and the two supporting screw rods are fixedly connected with the left end and the right end of each first connecting assembly. The left ends and the right ends of the two first connecting assemblies are each sleeved with a cement flat plate structure, the ends, not in contact with the first connecting assemblies, of the two transverse cement flat plate structures are each sleeved with a second connecting assembly, and the outer surfaces of the multiple supporting screws are each sleeved with a nut. The opposite ends of the two transverse second connecting assemblies are fixedly connected with two supporting blocks, and the front ends of the two adjacent supporting blocks jointly penetrate through a connecting screw in a penetrating mode. The first connecting assembly comprises a first supporting plate. According to the novel fiber cement flat plate connecting structure, through the arrangement of the first connecting assembly and the second connecting assembly, a plurality of fiber cement flat plates can be connected together.

The method and installation capable of obtaining a cementitious powder having reduced fiber concentrations. The method comprises providing millimetre-sized granules originating from waste fiber cement material. The granules are supplied to a roller mill (10) comprising a rotating horizontal grinding track (13) and one or more rollers (12) configured to rotate about stationary rotation axes, wherein the granules are ground between the grinding track (13) and a lateral surface of the rotors (12), and reduced to agglomerates comprising micrometre-sized particles. Separation of these particles from the fibers occurs after drying in the milling chamber of the apparatus during an upward air flow. Said smaller-sized particles together with (light-weight) fibers are separated from heavier particles in an air classifier (14). Following this, the smaller-sized particles are separated from the majority of the fibers in a sieve (20).

A fire-resistant panel comprising a frame surrounding a high density thermally insulating material 8 such as rock wool, wherein the frame has two opposing panels 10 with at least one being fibre cemen

The present application relates to a kind of inhibiting carbon mineralization fiber cement board deformation curing method and system, the curing method includes, according to the slab thickness, it is divided into outer layer, limited middle layer and inner layer from outer surface to inner;When there is no middle layer, after first carbonation curing to slab, to the overall slab of water wetting and drying again, so that the water content of outer layer meets the standard, to the final slab carbonation curing;When there is middle layer, after first carbonation curing to slab, to the overall slab of innermost middle layer wetting and drying again, so that the water content of innermost middle layer to outer layer meets the standard, subsequently after the slab of processing again carbonation curing, so repeat, according to the number of middle layer, from inside to outside in turn carbonation curing, finally to the outer layer of slab wetting and drying again, so that the water content of outer layer meets the standard, to the final slab carbonation curing.The present application can fundamentally eliminate the main stress source leading to the deformation of board, can significantly reduce the amount of warping deformation of board.

A method in which a stream (5) of dry cementitious powder from a dry powder feeder (2) passes through a dry cementitious powder inlet conduit (5a) to feed a first feed section (20) of a fiber-slurry mixer (32). An aqueous medium stream (7) passes through at least one aqueous medium stream conduit (7a) to feed a first mixing section (22) of the fiber-slurry mixer (32). A stream (34) of reinforcing fibers passes from a fiber feeder (33) through a reinforcing fibers stream conduit (34a) to feed a second mixing section (24) of the fiber-slurry mixer (32). The stream (5) of dry cementitious powder, aqueous medium stream (7), and stream (34) of reinforcing fibers combine in the fiber-slurry mixer (32) to make a stream of fiber-cement mixture (36) which discharges through a discharge conduit (36a) at a downstream end of the mixer (32).

The utility model relates to calcium silicate board production, in particular to a base plate device for fiber cement flat calcium silicate board production and maintenance, which comprises a guide post, a movable block is connected onto the guide post, one side of the movable block is connected with a fixed block, and a clamping mechanism is arranged in the fixed block and can be used for fixing a base plate; the clamping mechanism comprises a positioning block connected into the fixed block, a moving block is connected into the positioning block, a positioning rod is connected to one side of the moving block, and a heart-shaped sliding groove is formed in the surface of the moving block; a partition plate is placed on a mounting block and pushed, so that the partition plate drives a positioning rod to move, a clamping block is driven to rotate upwards in cooperation with a moving block, a limiting rod, a heart-shaped sliding groove, a through groove and the like, an L-shaped buckle on the rear side of the partition plate is clamped with the clamping block, the partition plate is placed on the mounting block more stably, and the partition plate is convenient to disassemble and mount; and the use effect of the device is improved.

The application relates to the technical field of building structures, and discloses a frame type wallboard structure. In the application, a frame body is composed of a plurality of edge frame sections on the outer side, a plurality of support sections are arranged in the frame body, a panel layer is arranged on the two sides of the frame body, and an adhesive is arranged between the frame body and the panel layer; the frame body and the support sections are made of high-strength lightweight alloy; the frame body is filled with heat preservation and insulation materials and sound insulation materials; the heat preservation and insulation materials are made of polyurethane foam or rock wool; the sound insulation materials are made of sound-absorbing cotton; the panel layer is made of fiber cement board; under the premise of ensuring the structural strength, the frame body and the support sections effectively reduce the weight of the wallboard, reduce the overall load of the building, facilitate transportation and construction, improve the construction efficiency, protect the internal structure through the panel layer, prolong the service life of the wallboard, have good decorative effect, and improve the aesthetic property of the building.

This invention discloses a modified bamboo fiber cement-stabilized crushed stone and its preparation method, belonging to the technical field of road engineering construction materials. The material consists of fully graded crushed stone, 65-95 parts of 42.5 grade ordinary Portland cement, 3-7 parts of modified bamboo fiber, and 110-140 parts of water. The core innovation lies in using a composite modification process of "acid-base coupling etching + silane coupling agent coating" to treat the bamboo fiber, solving the problems of poor interfacial compatibility and easy agglomeration and degradation between natural bamboo fiber and cement-based materials. The material prepared by this invention exhibits a 28-day splitting strength 14.6%-41.5% higher than traditional cement-stabilized crushed stone, with a drying shrinkage coefficient controlled at 1.7×10⁻⁴ / ℃-2.1×10⁻⁴ / ℃ and a thermal shrinkage coefficient controlled at 2.8×10⁻⁵ / ℃-3.5×10⁻⁵ / ℃, realizing the resource utilization of bamboo waste. It is suitable for semi-rigid base and subbase layers of highways at all levels, especially suitable for heavy-load roads and highway construction in cold regions.

The invention relates to a method for coating the narrow surface of preferably rectangular board elements, in particular furniture boards, wood composite boards, worktops, chipboards, lightweight construction boards, interior construction boards, doors, fiber cement boards or the like, - wherein first at least one surface of the board element is coated by means of a coating material, - wherein subsequently a narrow surface of the board element is also coated by means of this coating material, - wherein, for this purpose, coating material protruding beyond the surface of the board element is bent over, preferably at a right angle, so that it covers at least one narrow surface of the board element, - wherein the coating material is linearly separated before or after bending thereof in the bending region, and - wherein subsequently the linear separation region is filled by means of a plastics profile or a plastics compound, preferably composed of polymeric A-grade material, preferably by means of a melting method. The invention further relates to a board element, in particular a furniture board, wood composite board, worktop, chipboard, lightweight construction board, interior construction board, door, fiber cement board or the like, having a thickness D, comprising at least one coating element, and at least one edge strip profile having a width B2 of 5 to 120 mm, preferably 5 to 105 mm. The invention further relates to a method for producing such a board element, such as furniture boards and the like.

The invention provides a method for plugging leakage and gushing in small-caliber core drilling by using expansive fiber cement paste, and belongs to the technical field of geological drilling. Early-strength adjustable cement (hereinafter referred to as early-strength cement), water and a leakage plugging agent containing a ductile fiber material are adopted as a leakage plugging mixture; for a micro-leakage stratum and a small-leakage stratum, pumping water to press the leaking stoppage mixture into the leakage hole section; in a medium-large-leakage and completely water-return-free stratum, the primarily poured mixture is mainly pasty, the addition amount of an extension fiber material and the use amount of cement are increased or decreased, or a material which has flexibility and can expand when encountering water is added, and pumping water is started to press the leaking stoppage mixture into a leakage hole section; in a water gushing stratum, a box is opened to pressurize a water head, and a pump is started to convey water to press the leaking stoppage mixture into a leakage hole section; if a large water gushing stratum is encountered, weighted slurry is pumped for pressure; the invention mainly aims at the problems of water leakage and water gushing in small-caliber core drilling engineering, especially the problem of leakage and water gushing drilling easily encountered in a shallow hole section or a complex stratum.

The invention discloses a construction method for constructing a vertical wall body by a steel structure fiber cement board flower bed, which comprises the following steps: when a fiber cement board flower bed A and a fiber cement board flower bed B are hoisted, hoisting equipment hoists the fiber cement board flower bed A and the fiber cement board flower bed B from one side of a road; the fiber cement board flower bed A and the fiber cement board flower bed B can be hoisted and distributed to the inner side and the outer side through the intervals between every two of the steel columns A, the steel columns B and the steel columns C. Meanwhile, the top steel firstly presses the tops of the steel columns A, the steel columns B and the steel columns C to form a stable whole, and it is guaranteed that the fiber cement board flower bed A and the fiber cement board flower bed B do not shake when hoisted and put down. The problem that in the prior art, when an outer wall is of an integral solid structure, a fiber cement board flower pond cannot be hoisted to the inner side and the outer side of the outer wall from the single side edge of the outer wall for installation is solved.

1. The name of the design product: traction trolley. 2. The use of the design product: in the fiber cement board production line, used for moving and transporting boards on the track. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

This utility model relates to construction and is intended for the use of fiber cement boards in roofing systems as a rigid sheet base beneath a waterproofing layer. The roofing structure utilizes autoclave-dried fiber cement board, which provides increased moisture resistance, strength, and fire safety for the roofing system compared to cement-bonded particle boards. The roofing structure comprises a roof base, a thermal insulation layer, and a waterproofing layer, additionally containing a vapor barrier located between the base and the thermal insulation layer. It also further comprises a rigid autoclave-dried fiber cement board approximately 10 mm thick, with a surface treated with a bitumen primer, positioned between the thermal insulation and waterproofing layers.

The application relates to the technical field of concrete materials, and discloses a method for preparing a new super high performance concrete material by using special fibers, which comprises the following method steps: S1, raw material preparation: preparing wood ash, special fibers, cement, mineral admixtures, fine aggregates, coarse aggregates, a water reducing agent and water; S2, raw material pretreatment: grinding the wood ash to perform refinement treatment; S3, mixing and stirring: adding the cement, the mineral admixtures, the fine aggregates and the coarse aggregates into a stirrer, adding the treated wood ash and the special fibers after dry mixing for a certain time, continuously stirring until uniform, and then adding the water and the water reducing agent to continuously stir; and S4, forming and curing: pouring the stirred concrete into a mold. Through a specific preparation process, the cement, the mineral admixtures and the specially treated wood ash are used in a synergistic manner to provide high compressive strength and flexural strength for the concrete, so that the concrete has good performance.

The invention discloses a method for testing scraping blackening of art paint, a matched device and application of the method, and belongs to the field of testing of water-based building interior wall art paint. According to the invention, the rectangular batch scraping mold provided with 10 rectangular slots and the fiber cement board corresponding to the rectangular batch scraping mold are utilized to carry out the test of the batch scraping blackening of the art paint, and the art paint with the batch scraping blackening state is improved according to the evaluation result of the batch scraping blackening of the art paint, so that the finally prepared art paint has the advantages of high efficiency and high practicability. And the problem of blackening caused by scraping in the art paint construction can be effectively solved, the poor visual effect caused by the blackening can be eliminated, and the protection effect on the wall can be enhanced. The method for testing the scraping blackening of the art paint has a wide application range in the field of interior wall art paint, and the market prospect is very wide.

The utility model provides a fiber-reinforced mounting cement board, and relates to the technical field of building materials. An aluminum alloy hanging seat is mounted on one side of the curtain wall keel through a machine-made screw; an aluminum alloy hanging piece is mounted on one side of the top of the aluminum alloy hanging seat; a limiting screw is mounted on each aluminum alloy hanging seat; one side of the aluminum alloy hanging piece is provided with a fiber cement board through a decorative rivet; the space between every two adjacent fiber cement boards is filled with sealant; an adjusting screw is screwed to the top of each aluminum alloy hanging piece. When the fiber cement board is installed, only a vertical keel is needed, a transverse keel is omitted, cost is greatly reduced, and installation is simple and easy to operate.

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 autoclave-cured fiber cement product comprises a composition comprising fibers, cement and silica. The fibers comprise cellulose fibers and aramid fibers, for instance at most 0.8 weight % aramid fibers and at most 7 weight % cellulose fibers. The fiber cement product is manufactured by a method comprising the steps of providing a slurry of a composition comprising cement, cellulose fibers and aramid fibers; manufacturing a fiber cement product, such as a sheet, using the said slurry, and curing the fiber cement product by means of autoclave curing.