43results about How to "With sound-absorbing effect" patented technology

The invention discloses a glazed ceramic decorative wall tile. The wall tile comprises a ceramic tile body and a glaze surface, wherein the ceramic tile body comprises 15-80% of ceramic factory wastepressed mud, 5-75% of rotten ceramic tile powder or stone powder tailings, 1-10% of coal water slurry slag, 0-20% of foamed ceramic recycled waste, 0-12% of talc, 5-20% of clay, 2-15% of bentonite and0.3-1.5% of a foaming agent; and the glaze surface comprises an isolation glaze located on the surface of the ceramic tile body, a surface glaze located on the isolation glaze and a protective glazelocated on the surface glaze. Solid waste in the ceramic industry is used as main raw materials, and the wall tile and the method conform to the trend of environmental protection, greenness and sustainable development. The foamed ceramic wall tile has a water absorption rate of less than 0.4%, a density of 0.9-1.4 g/cm<3>, compressive strength of more than 8 MPa, breaking strength of more than 5 MPa, tensile strength of more than 2 MPa, a heat conductivity coefficient of 0.25-0.46 w/m.k, and a combustion performance of AI grade.

The invention provides noise-reducing type automobile cushion leather and a processing process thereof. The noise-reducing type automobile cushion leather sequentially comprises a coating, a real leather layer, a glass fiber felt layer, a polyester fiber sound absorption cotton layer and a net cloth surface layer from top to bottom, and is characterized in that the coating is an oil wax filling material sprayed and coated onto the real leather layer; glue water is fully coated on the upper and lower surfaces of the glass fiber felt layer; the polyester fiber sound absorption cotton layer is of a wave-shaped structure; the bottom surface net cloth surface layer and the polyester fiber sound absorption cotton layer are bonded and connected through glue water; the polyester fiber cotton layer material is polyester fiber; the material per se has a certain sound absorption effect; in addition, the polyester fiber sound absorption cotton layer is made into the wave shape, so that the noise is scattered in different directions when passing through the sound absorption layer; therefore the sound waves are diffused; the wave vibration amplitude is reduced; the noise reduction effect is greatly improved.

The invention discloses a regeneration brick prepared from construction waste and a preparation method of the brick, and belongs to the technical field of construction materials. The regeneration brick is prepared from, by weight, 100 parts of construction waste aggregate, 10-20 parts of kaolin, 30-50 parts of pulverized fuel ash, 1-5 parts of a water reducing agent, 1-5 parts of an early strengthagent, 1-5 parts of an antifreezing agent and 15-25 parts of water; the construction waste aggregate is prepared from, by weight, 50-60% of heavy aggregate, 30-40% of light aggregate and 5-10% of wood fibers; the heavy aggregate comes from waste concrete, waste bricks and tiles and waste stone, the light aggregate comes from waste ceramic and waste glass, and the wood fibers come from waste wood.The regeneration brick adopts the construction waste as the aggregate, the problem of resource waste is solved, and resource recycling is achieved; the regeneration brick with high strength is obtained through reasonable material selection and raw material grading, the service life of the regeneration brick is prolonged, and the application of the regeneration brick is expanded.

The invention relates to modular furniture with all boards connected. The modular furniture comprises a T-shaped connecting part and an L-shaped connecting part. The T-shaped connecting part comprises a first connecting plate and a second connecting plate. The first connecting plate and the second connecting plate are connected through a turning connecting piece. The turning connecting piece is provided with a first clamping part, and the first connecting plate is provided with a first matching part matched with the first clamping part. The L-shaped connecting part comprises a first right-angle side and a second right-angle side. Three-point lock catches used for fixed connection are arranged at one side of the second right-angle side. The three-point lock catches are inlaid and fixed into an inner cavity of the second right-angle side, and locking clamping heads are further reserved. Fixed grooves matched with the locking clamping heads in position are formed in the side to be fixed of the first right-angle side. The T-shaped connecting part and the L-shaped connecting part are adopted between the boards of the modular furniture. The structural and dimensional design of each board body is reasonable, the cross-section shape of the concave-shaped board bodies is reasonable in design, the three-dimensional effect and overall decoration effect after installation are good, and the modular furniture is attractive and elegant. Meanwhile, the boards of the cavity structure have a sound absorption effect.

The invention provides a partition wall board with fireproof and thermal insulation functions. The partition wall board with the fireproof and heat preservation functions comprises a partition board piece, the partition board piece comprises a base plate, wherein a heat preservation plate used for heat preservation is fixedly installed on one side of the base plate, a fireproof plate used for fire prevention is fixedly installed on the side, away from the base plate, of the heat preservation plate, an inner cavity is formed in the fireproof plate, and the inner cavity is filled with a fire extinguishing material used for fire extinguishing; a plurality of evenly-distributed leakage holes are formed in the side, away from the heat preservation plate, of the fireproof plate, and temperature-resistant sealing glue used for sealing the leakage holes is fixedly attached to the side, provided with the leakage holes, of the fireproof plate; and a connecting assembly which is used for fixing a single partition wall plate or connecting two partition wall plates and is mounted on the partition wall plate. The partition board with the fireproof and thermal insulation functions has the advantages that the partition board is simple in structure, convenient to install and good in fireproof and thermal insulation performance, fire sources around the partition board are extinguished through the fire extinguishing materials in the inner cavity, and the safety of the partition board is improved.

The invention discloses a composite building wall module, a module building wall and a preparation method and application. The composite building wall module sequentially comprises a cement mortar surface layer, a bonding reinforcing layer, a first thermal insulation layer, a first glass fiber reinforced composite board, a second thermal insulation layer and a second glass fiber reinforced composite board from one side to the other side; the first glass fiber reinforced composite board is provided with a plurality of reinforcing ribs, and the first thermal insulation layer is connected with the first glass fiber reinforced composite board through reinforcing ribs; the first glass fiber reinforced composite board is connected with the second glass fiber reinforced composite board through atleast four light steel connecting parts, one side of the composite building wall module is at least provided with a light steel connecting part, each light steel connecting part comprises two parallel side plates and a bottom plate, one sides of the side plates are connected with the bottom plate, one side plate is connected with the first glass fiber reinforced composite board, the other side plate is connected with the second glass fiber reinforced composite board, and the two light steel connecting parts are arranged to be connected in a matched mode through the bottom plates.

The invention discloses an echo-preventing wall board. The echo-preventing wall board comprises a perlite board, wherein the perlite board is internally provided with a plurality of cavities; the cavities are arranged along the width direction of the perlite board and are uniformly distributed in the height direction of the perlite board; a honeycomb-shaped supporting piece is arranged on one face of the perlite board; a plurality of micro-pores which are communicated with the cavities are formed in one face, which is provided with the honeycomb-shaped supporting piece, of the perlite board; sound absorption materials are stuck on the inner wall and the bottom face of the honeycomb-shaped supporting piece; the cavities of the perlite board are internally filled with sound absorption materials; a magnesium oxychloride cement board is arranged on the other face of the perlite board; one faces, which are far away from each other, of the honeycomb-shaped supporting piece and the magnesium oxychloride cement board are provided with a first decorative face layer and a second decorative face layer. According to the echo-preventing wall board, the combination of the honeycomb-shaped supporting piece, the cavities of the perlite board and the sound absorption materials is sufficiently utilized to effectively absorb and attenuate sound waves so that the aim of preventing echoes is realized.

The invention provides a construction method for a cold-bent thin-wall light steel structure building. The construction method comprises main body component construction, wall board construction, rooftruss construction, roof construction and exterior wall construction, wherein a light steel main body component is light-gage steel joist which is formed by cold-bending and forming an aluminum-coated zinc steel strip. According to the construction method provided by the invention, the aluminum-coated zinc steel strip is assembled from the cold-bent and formed light-gage steel joist, the assemblystructure shortens the construction period to a very great extent, a building process adopts dry-process operation, is free of wet-process operation, assembly is performed on a plant processing site,assembly can be accomplished through block-building type simple assembly, the construction period is short, and field assembly is time-saving and labor-saving; and quality and anti-seismic property of the cold-bent thin-wall light steel structure building are excellent than those of a conventional structure, so that management is convenient. The building uses an environment-friendly energy-savingmaterial, and a waste material can be utilized for a second time; the obtained roof is stable in structure, and is not liable to move for a long time; and the obtained exterior wall has a ventilatingfunction, so that moist gas is smoothly discharged, and indoor air is effectively circulated to form a circulating system with outside.

The invention discloses a sound-insulation decoration material. The sound-insulation decoration material is prepared from, by weight, 20-40 parts of limestone, 5-10 parts of cement, 10-15 parts of bamboo charcoal, 8-12 parts of ceramsite particles, 3-8 parts of binder, 1-5 parts of waterproof agent, 3-6 parts of thickening agent and 12-18 parts of medical stone. The sound-insulation decoration material has the advantages that the decoration material prepared by combining the raw materials is good in quality, the added asbestos and bamboo charcoal are combined and have a very good flame retardant effect, the added ceramsite particles has a sound-insulation effect and effectively prevents noise pollution, and meanwhile decoration material is free of pollution, non-toxic, healthy, environmentally friendly and good in quality.

The invention relates to a manufacturing method for a softly-covered wall. The manufacturing method comprises the steps of drilling holes in a glass-magnesium plate, then sealing the holes, injecting polyurethane foaming materials into the surface layer of the softly-covered wall provided with a containing cavity, covering the glass-magnesium plate obtained after hole sealing treatment with the surface layer of the softly-covered wall to seal the polyurethane foaming materials, then conducting a foaming reaction, and forming holes in the glass-magnesium plate obtained after hole sealing and the foaming reaction to obtain the softly-covered wall. The invention further relates to the softly-covered wall. The softly-covered wall manufactured through the manufacturing method has the advantages of being high in rigidity and fire resistance, resistant to high temperature and good in sound insulation effect.

The invention provides a sound absorption metal net suspended ceiling structure which comprises multiple suspenders and multiple suspended ceiling units. The suspended ceiling units comprise hook groove keels, bottom plates, first sleeve frames, first L-shaped rib plates, metal mesh grids and second sleeve frames. The hook groove keels are mounted at the tail ends of the suspenders. Lower hook grooves with openings being downward are formed on the bottom plates, and the bottom plates are hooked with upper hook grooves of the hook groove keels through the lower hook grooves. Rock wool layers are arranged above the bottom plates. The first L-shaped rib plates are fixedly connected to the edge positions of the lower surfaces of the bottom plates through bolts. The first sleeve frames are arranged on the outer sides of the first L-shaped rib plates in a sleeving manner and are fixedly riveted with the first L-shaped rib plates. The metal mesh grids are fixedly welded below the first sleeveframes. The second sleeve frames are arranged on the outer sides of the bottom plates, the first sleeve frames and the metal mesh grids in a sleeving manner, the upper ends of the second sleeve frames are fixedly riveted with the bottom plates, and the lower ends of the second sleeve frames are clamped below the metal mesh grids. The sound absorption metal net suspended ceiling structure is lightin mass, convenient to mount, extremely good in sound absorption effect and easy to shape and can completely replace traditional suspended ceilings.