11 results about "Wood wool" patented technology

The utility model discloses an easily spliced wood-wool acoustic board for automotive trim, which comprises two board body components 1 and a board body component 2, the two board body components 1 are spliced together, the board body component 2 is spliced with one of the board body components 1, the board body component 1 comprises two side boards 1, a middle board 1 and two wall boards 1, and the two side boards 1 are spliced together. The two first side plates are connected to the two sides of the first middle plate in a clamped mode respectively, one ends of the two first wall plates are connected to one sides of the two first side plates in a clamped mode, and the second plate body assembly comprises a second middle plate, two second side plates and two second wall plates. The boards applied to the first board body assembly and the second board body assembly are wood-wool sound-absorbing boards, sound reflection and echoes can be effectively reduced, the acoustic effect of space is improved, the environment in a vehicle is quiet and comfortable, the performance of a sound system can be improved, noise and resonance are reduced, the overall sound quality is improved, meanwhile, the materials belong to environment-friendly materials, and the cost is low. The weight is light, too much burden cannot be added to the vehicle, and the device is suitable for various vehicle types.

Acoustic building panel (0) for installation as sound-absorbing ceiling panel and / or sound-absorbing wall panel comprising a base layer (1), wherein said base layer (1) contains the following constituents: wood wool as support material; and a solidified binding agent provided by a solidified suspension comprising a biopolymer and a liquid, preferably a polar liquid, more preferably water; in total to at least 95%, preferably to at least 99%, more preferably to at least 99.7%, most preferably to 100%.

To provide a fire-resistant wooden structure that ensures fire resistance and offers excellent workability. [Solution] A fire-resistant wooden structure 1 used as a column or beam in a building comprises a wooden structural core 10 that supports the load, a first covering material 11 that covers the outer surface of the wooden structural core 10, and a second covering material 12 that covers the outer surface of the first covering material 11. The first covering material 11 contains organic fibers and has a water content of 6.0% or more derived from free water or crystal water, while the second covering material 12 has a water content of 3.0% or less derived from free water or crystal water. Furthermore, the first covering material 11 is made of either slag gypsum board or wood wool cement board, and the second covering material 12 is made of calcium silicate board.

The utility model discloses a super sound insulation floor which comprises a floor body, the floor body comprises a base plate, the top of the base plate is bonded with a sound insulation layer, the sound insulation layer comprises an extruded polystyrene foam plate and a polyurethane foam layer, the top of the sound insulation layer is bonded with a sound absorption layer, and the top of the sound absorption layer is bonded with a sound insulation layer. The sound absorption layer comprises a wood-wool sound absorption plate and an expanded perlite layer, a panel is bonded to the top of the sound absorption layer, a first groove is formed in the bottom of the floor body, a second groove is formed in the right side of the front face of the floor body, and a spring is fixedly connected to one side of an inner cavity of the second groove. According to the utility model, the extruded polystyrene foam board is arranged, so that the sound insulation performance is excellent, the polyurethane foam layer is arranged, so that the sound insulation performance is further improved, the heat preservation effect is achieved, and the wood-wool sound absorption board is arranged, so that the sound insulation board has the advantages of high strength and good sound absorption effect; the performance of heat preservation, heat insulation and sound absorption is achieved.

The present invention discloses an assembled design structure for the top surface of a wood fiber board in a public space, which belongs to the field of architectural decoration technology. The structure comprises a plurality of main keels, which are fixedly installed on a wall top base layer, and the plurality of main keels are parallel to each other; a plurality of partition keels, which are clamped on the plurality of main keels, and the partition keels are perpendicular to the main keels; and a plurality of clips, which are long strips with a C-shaped cross-section, and the C-shaped openings of the clips face upwards. The present invention is fixedly installed on the wall top base layer through the main keel, and the partition keel is fixed on the main keel, and the top surface of the partition keel is kept higher than the top surface of the main keel. The partition keel forms a partition effect, and the two ends of the wood fiber board are clamped into two adjacent clips. The clamping block is clamped into the clamp and the clamp is stretched open, so that the installation of the wood fiber board can be completed without using fasteners, avoiding the situation that the wood fiber board is broken, greatly reducing the difficulty of installation, and improving the installation efficiency.

An engineered wood based siding, cladding or panel with a microstrand interface layer (MIL) applied to the top of the main strand matrix layers to minimize telegraphing, add rigidity and strength, and provide an improved surface appearance. The MIL comprises microstrands applied to the surface of the strand matrix or mat during production, prior to deposition of a fines layer. The MIL prevents the loss of fines into the strand matrix, and helps prevent or eliminate strand telegraphing.

The invention relates to a preparation method of an ignition material, which comprises the following steps: step S100, cutting pine into pine sections with preset length, and removing cortical layers on the outer layers of the pine sections; s200, the pine sections are placed in a ventilated place, the moisture content is reduced to the preset moisture content, and then the pine sections are shredded to form pine wool; s300, mixing the pine wool together, and then manufacturing a wood wool rope through a rope making machine; s400, the wood wool rope is pulled to pass through a wax pool, and the wood wool rope is soaked in wax liquid in the wax pool and then aired and solidified; and S500, the wood wool rope is cut into wood wool rolls in a segmented mode. The wood-wool roll is used as an ignition object, pine is used as a raw material, the wood structure of the pine is rich in natural grease, the flash fire point is low, ignition is rapid, continuous heat supply is achieved, moisture resistance and combustion supporting are achieved, the compressed wood-wool roll is long in combustion time, the biodegradable material is good in environment friendliness, and the segmented wood-wool roll is convenient to carry outdoors and convenient to take and place and does not dirty hands; and the use convenience is good.

The application discloses a large-scale size-reducing method for improving reaction performance of biomass raw materials, which comprises the following steps: steam treatment of biomass raw materials after water washing and soaking to obtain steamed materials; extrusion treatment of the steamed materials by a double-screw extrusion impregnation machine to obtain extruded materials, which are in the form of coarse wood filaments; water is added to the extruded materials to obtain materials with a solid content of 15-35%, which are ground by a disc mill under normal pressure; during the grinding process, fiber bundles in the biomass raw materials are microfilamentized to obtain biomass materials with improved reaction performance. By the combined use of the double-screw extrusion impregnation machine and the disc mill, the present application can cut fibers, reduce the particle size of the biomass raw materials, realize dissociation and floc separation of the fibers, expose more reaction sites, and improve the specific surface area and reaction performance of the biomass raw materials. In addition, the double-screw extrusion impregnation machine and the disc mill used in the present application are both suitable for large-scale and industrial production.

The utility model discloses a novel pool expansion joint sealing device which comprises concrete, an expansion joint is arranged at the butt joint position of the two pieces of concrete, a wood-wool asphalt plate is correspondingly installed in the expansion joint, structural main reinforcements are arranged in the concrete, anchoring steel bars are welded to the structural main reinforcements, and the anchoring steel bars are connected with the wood-wool asphalt plate. By means of double-insurance sealing, the waterproof effect is good, the two-way leakage of water in a pool and underground water outside the pool can be met through fixing of the square pipe on the upper portion, the expansion joint is arranged on the top, inspection and maintenance are convenient, and the waterproof effect is good. The main body construction time is shortened, the fastening inclined sizing block is mainly used for pressing the bottom expansion belt to keep the sealing state, untight sealing caused by displacement caused by underground water buoyancy is prevented, for example, in areas without underground water, the longitudinal and transverse limiting steel pipes and the inclined sizing block can not be arranged, the embedded steel plate does not need to be bent, and simpleness and convenience are achieved.

The present invention discloses a fully prefabricated cavity floor slab, and a manufacturing and assembly method. The fully prefabricated cavity floor slab comprises a concrete main plate, a top steel mesh, a bottom steel mesh, a wood wool board, and a plurality of support members disposed within the concrete main plate. The plurality of support members are spaced apart and connect the bottom steel mesh to the top steel mesh, with the wood wool board positioned between the bottom and top steel meshes. The present invention helps address the current problem that prefabricated building floor slabs generally adopt the form of composite slabs. During the construction of composite slabs, prefabricated slabs must be arranged and installed before casting, resulting in a large amount of construction work. Furthermore, the arrangement of truss reinforcement during composite slab construction seriously affects the smoothness of mechanical and electrical pipeline construction.

The utility model discloses a wood-wool board installing and hanging structure which comprises a top plate installed on the top of a building body and a hanging assembly installed below the top plate. Adjusting assemblies are arranged at the bottoms of the hanging assemblies. Mounting rods are connected to the bottoms of the adjusting assemblies. A plurality of fixing bolts are mounted on the mounting rod at intervals, and ball heads are arranged at the bottoms of the fixing bolts; a clamping piece is arranged at the top of the wood-wool board, a groove is formed in the middle of the top of the clamping piece, the ball head is clamped and embedded in the groove in a matched mode, and the wood-wool board is hung in the vertical direction. The bulb structures are connected with the tops of the wood-wool boards in a matched mode, the bulbs are clamped and embedded in the grooves in the tops of the wood-wool boards, the perpendicularity of the wood-wool boards after installation is guaranteed, the sound absorption effect is improved, in addition, the installation height of the wood-wool boards is flexibly adjusted through the first adjusting rods and the second adjusting rods, the wood-wool boards are arranged in an arc shape in the building body, and the sound absorption effect is improved. The effects of sound absorption, impact resistance, fire prevention, moisture prevention and mildew prevention are further improved.