CN111393030A - High-density mineral cotton fiberboard for replacing blockboard and preparation method thereof - Google Patents
High-density mineral cotton fiberboard for replacing blockboard and preparation method thereof Download PDFInfo
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- CN111393030A CN111393030A CN202010106181.1A CN202010106181A CN111393030A CN 111393030 A CN111393030 A CN 111393030A CN 202010106181 A CN202010106181 A CN 202010106181A CN 111393030 A CN111393030 A CN 111393030A
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 78
- 239000011094 fiberboard Substances 0.000 title claims abstract description 74
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 47
- 239000011707 mineral Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title description 11
- 239000000463 material Substances 0.000 claims abstract description 114
- 239000011490 mineral wool Substances 0.000 claims abstract description 79
- 238000004806 packaging method and process Methods 0.000 claims abstract description 34
- 239000002994 raw material Substances 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000011230 binding agent Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000654 additive Substances 0.000 claims abstract description 9
- 230000000996 additive effect Effects 0.000 claims abstract description 9
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- 238000005034 decoration Methods 0.000 claims abstract description 6
- 238000004873 anchoring Methods 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims description 83
- 230000008018 melting Effects 0.000 claims description 83
- 239000000835 fiber Substances 0.000 claims description 47
- 238000002156 mixing Methods 0.000 claims description 45
- 238000010438 heat treatment Methods 0.000 claims description 31
- 238000005520 cutting process Methods 0.000 claims description 20
- 239000002023 wood Substances 0.000 claims description 19
- 238000007731 hot pressing Methods 0.000 claims description 18
- 238000005303 weighing Methods 0.000 claims description 17
- 239000003292 glue Substances 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 9
- 238000005496 tempering Methods 0.000 claims description 9
- -1 diabase Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
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- 235000019738 Limestone Nutrition 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 239000010459 dolomite Substances 0.000 claims description 4
- 229910000514 dolomite Inorganic materials 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 4
- 239000010881 fly ash Substances 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 239000006028 limestone Substances 0.000 claims description 4
- GALOTNBSUVEISR-UHFFFAOYSA-N molybdenum;silicon Chemical compound [Mo]#[Si] GALOTNBSUVEISR-UHFFFAOYSA-N 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 239000010453 quartz Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 238000010408 sweeping Methods 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 239000008041 oiling agent Substances 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- 238000013329 compounding Methods 0.000 claims 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 238000005056 compaction Methods 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 5
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- 239000002699 waste material Substances 0.000 abstract description 2
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- 238000009740 moulding (composite fabrication) Methods 0.000 description 36
- 238000001723 curing Methods 0.000 description 26
- 230000001276 controlling effect Effects 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000035611 feeding Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000002491 polymer binding agent Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- OHMHBGPWCHTMQE-UHFFFAOYSA-N 2,2-dichloro-1,1,1-trifluoroethane Chemical compound FC(F)(F)C(Cl)Cl OHMHBGPWCHTMQE-UHFFFAOYSA-N 0.000 description 1
- 241000609240 Ambelania acida Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
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- 235000009120 camo Nutrition 0.000 description 1
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- 231100000315 carcinogenic Toxicity 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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- 239000002341 toxic gas Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B3/00—Charging the melting furnaces
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/04—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/06—Acrylates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a high-density mineral cotton fiberboard for replacing a blockboard, which is prepared by an automatic production line, wherein the raw materials for preparing the fiberboard are as follows according to parts by weight: 40-70 parts of industrial solid waste, 25-50 parts of natural ore, 0.5-5 parts of mineral wool binder, 0.1-0.6 part of water repellent and 1-5 parts of additive, wherein the density of the prepared fiberboard is 250-1500 kg/m3The tensile strength is 0.15-0.7 MPa, the compressive strength is 13-75 MPa, the ignition point is 600-1000 ℃ and the single-point anchoring force is 300-1500NThe fire performance is good, no pollutants such as waste water and waste residue are discharged in the production process, the felling of forest resources can be reduced, and the environment is protected; compared with the traditional mineral cotton fiberboard, the mineral cotton fiberboard has the characteristics of high density, high strength, high tensile and compressive strength and the like; the prepared fiberboard has no harmful gas emission in the use process, has wide product application range, can be used for building home decoration, packaging and the like, and can also be used as a wall material.
Description
Technical Field
The invention relates to the technical field of preparation of density fiberboards, in particular to a high-density mineral cotton fiberboard for replacing a blockboard and a preparation method thereof.
Background
The rock wool fiber is cotton-shaped non-continuous inorganic fiber prepared by centrifugally spinning industrial waste residues or natural rock minerals and the like by a melting method. The rock wool fiber has good chemical stability, the product has good dimensional stability, very low expansion rate and good mechanical property, and the plate product also has good waterproof property and hydrophobic property. In addition, the rock wool fiber product does not contain toxic and carcinogenic components such as chlorofluorocarbon, hydrofluorocarbon, hydrochlorofluorocarbon or rock wool and the like, and the content of radioactivity, free aldehyde and the like of the rock wool fiber product also meets the requirements of related standards. Different from organic heat-insulating materials, the porous structure of rock wool fiber is mostly open pores, and the air permeability is good, and the sound absorption and noise reduction performance is also good. The properties enable the rock wool fiberboard to be widely used in the aspects of building external wall heat preservation, building sound absorption, building fire prevention and the like at present. When a fire disaster occurs, the flame is not spread, toxic gas is not released, no burning dropping object exists, and no fire hazard exists; the rock wool fiber has high solution temperature, so that the rock wool fiber can not crack and shrink when a fire disaster happens, and the fire can be effectively prevented from spreading.
At present, the production method of the rock wool fiberboard mainly comprises a rolling method and a flat pressing method, the specific production process flow mainly comprises the steps of feeding, melting, glue spraying and fiber forming, cotton collecting, pendulum bob pleating, prepressing, curing and forming, cutting and packaging, the produced rock wool fiberboard belongs to a light fiberboard, and the density is 150-200 kg/m3The density is low, the method is mainly used for building external wall insulation materials, the application range is narrow, the automation degree of a feeding system is low in the existing rock wool fiberboard production method, a cupola furnace is used by a melting furnace system and takes coke as fuel, a curing and heating system mostly adopts natural gas for heating, and the method is similar to the low-carbon environment-friendly heating method advocated by the state at presentThe policy is not met.
The wood board mainly comprises a fine wood board, a nine-centimeter board, a fiber board, a particle board, a decorative board, a packaging board and the like. The raw materials for producing the wood board mainly comprise wood, bamboo, bagasse, cotton and hemp, grass and wood straw and the like. The technological process of producing the wood board mainly comprises chipping, screening, hot grinding, gluing, drying, paving, prepressing, hot pressing, cooling, edge cutting, storing and sanding. The problems existing in the existing production of the blockboard are that sewage can be generated in the production process, the harvested bamboo resources are not beneficial to protecting the ecological environment, the burning point is low and the fire resistance is poor in the use process.
Disclosure of Invention
In order to solve the problems, the invention provides the high-density mineral cotton fiberboard for replacing a blockboard and the preparation method thereof, the production process realizes automatic feeding, and the application range of the prepared high-density mineral cotton fiberboard is expanded.
The invention is realized by the following technical scheme:
the high-density mineral cotton fiberboard is prepared by an automatic production line and comprises the following raw materials in parts by mass: 40-70 parts of industrial solid waste, 25-50 parts of natural ore, 0.5-5 parts of mineral wool binder, 0.1-0.6 part of water repellent and 1-5 parts of additive, wherein the density of the prepared high-density mineral wool fiberboard is 250-1500 kg/m3The tensile strength is 0.15-0.7 MPa, the compressive strength is 13-75 MPa, the ignition point is 600-1000 ℃, the single-point anchoring force is 300-1500N, and the prepared high-density mineral cotton fiberboard comprises the following chemical components in parts by mass: 36-48 parts of SiO224-35 parts of CaO, 4-9 parts of MgO and 8-15 parts of AI2O3And 1-5 parts of Fe2O31-5 parts of other components.
Further, the industrial solid waste includes, but is not limited to, one or a combination of more than two of slag, fly ash and phosphorus ore dressing.
Further, the natural ore includes but is not limited to one or a combination of more than two of basalt, dolomite, diabase, limestone and quartz.
Further, the mineral wool binder includes, but is not limited to, water-soluble acrylic polymers.
Further, the water repellent comprises but is not limited to one of molten paraffin or polysiloxane emulsion.
Further, the additive comprises but is not limited to one of ammonia water, dustproof oil and silane coupling agent.
Furthermore, the automatic production line mainly comprises a feeding system, a melting furnace system, a cotton making system, a cotton collecting system, a prepressing system, a curing and forming system, a servo transverse system, a hot-press forming system, a cutting system and a packaging system;
the feeding system comprises a working platform, a side-turning automobile walking platform is vertically arranged on one side end face of the working platform, the cross section of the side-turning automobile walking platform is in a trapezoid shape with two inclined sides, a side-turning automobile transversely moving along the end face of the side-turning automobile walking platform is arranged on the end face of the side-turning automobile walking platform, a plurality of material bins for receiving different raw material types are arranged on one side of the working platform, which is positioned on the horizontal section of the side-turning automobile walking platform, and a hopper of the side-turning automobile runs towards the material bins when turning over;
the bottom surface of the material bin is arranged in a downward inclined manner, one end of the material bin, far away from the side-turning automobile, is provided with an automatic material bin vibration discharge port corresponding to the bottom surface of the material bin, the bottom of the automatic material bin vibration discharge port is correspondingly provided with a material mixing funnel, a material weighing daily bin is correspondingly arranged between the automatic material bin vibration discharge port and the material mixing funnel, a horizontal belt conveyor for controlling the material mixing funnel to move is arranged below a base of the material mixing funnel, the horizontal belt conveyor is arranged in parallel with a side-turning automobile walking platform, one side of the horizontal belt conveyor is provided with a lifting machine which is arranged in an inclined manner, the lifting machine is used for conveying the material mixing funnel to the top of the material mixing funnel, the bottom of the tail end of the lifting machine is correspondingly provided with a melting furnace system, the melting furnace system comprises a melting, the melting furnace is internally provided with a heating device, the heating device comprises a heating pipe inserted into the melting furnace, and the heating pipe is made of a silicon-molybdenum rod and a protection pipe.
Furthermore, the melting furnace system also comprises a rock wool heating preheating furnace arranged between the melting furnace and the tail end of the elevator, and a discharge port of the rock wool heating preheating furnace is connected with the melting furnace through a plurality of material secondary dispersion pipes.
Further, a preparation method of the high-density mineral cotton fiberboard for replacing a blockboard comprises the following steps of feeding, melting after melting or preheating, glue spraying and fiber forming, cotton collecting, pendulum bob pleating, prepressing, curing and forming, transverse, hot press forming, cutting, packaging or veneering and then packaging, and the preparation method specifically comprises the following steps:
step one, feeding
According to the type of charging, all raw materials are respectively turned to corresponding material bins through the side-turning automobile, the raw materials of all the material bins respectively flow into a weighing daily bin through an automatic vibration discharge port of the material bins, and the materials of the weighing daily bin automatically flow into the weighing daily bin after being weighed according to the proportion through a discharge port of the weighing daily bin
Uniformly mixing the materials in the corresponding mixing hoppers, moving the mixing hoppers to the bottom of a lifting machine on a horizontal belt conveyor, lifting the mixing hoppers to the top of the mixing hoppers through the lifting machine, and enabling the mixing hoppers to be located above a melting furnace system;
step two, melting after melting or preheating
The raw materials conveyed to the upper part of the melting furnace system are directly conveyed into the melting furnace for heating and melting through the side turning of the mixing hopper or the raw materials conveyed to the upper part of the melting furnace system are firstly conveyed into the preheating furnace for preheating through the side turning of the mixing hopper and then conveyed into the melting furnace through the material secondary dispersion pipe for heating and melting, the heated and melted liquefied materials automatically overflow from an overflow channel of the melting furnace, flow into a speed-regulating tempering heat-preservation molten pool to regulate the component uniformity of the liquefied materials and regulate the acidity of the liquefied materials;
step three, spraying glue to form fiber
The liquefied material with the adjusted acidity is fed into a centrifugal machine of a cotton making system, the liquefied material is thrown into filamentous rock wool under the high-speed rotation condition of the centrifugal machine, and atomized adhesive is sprayed onto the surface of the filamentous rock wool through a spray hole during fiber forming to obtain the adhesive-sprayed filamentous rock wool;
step four, cotton collecting and pendulum mass pleating
Collecting the fiber filamentous rock wool sprayed with glue by a horn-shaped swing hopper in a cotton collecting system, swinging the swing hopper left and right along the edge of a discharge port, pleating the fiber filamentous rock wool and uniformly paving the fiber filamentous rock wool on a paving machine to ensure that the rock wool has uniform thickness;
step five, prepressing
The paved glue-sprayed fiber filamentous rock wool is subjected to preliminary molding of a fiber plate blank through a sweeping roller and a prepressing machine of a prepressing system, and the prepressing can adopt a continuous roller type prepressing or a continuous flat pressing type prepressing machine;
step six, curing and forming
Conveying the pre-pressed and preliminarily molded plate blank to a curing furnace of a curing molding system, and further compressing under the combined action of temperature and pressure to obtain a cured and molded fiber plate, wherein the curing furnace is heated by adopting electric heating;
step seven, transverse
Obtaining a neat section of the cured and molded fiber board along the vertical direction of the movement of the board material through servo violence, so that the neat section accords with the length and the width of the board blank entering a hot press;
step eight, hot press forming
Further compressing the solidified and molded plate blank by using a hot press to increase the density of the plate blank to a preset value, so as to prepare a hot-press molded high-density mineral cotton fiberboard for replacing a blockboard, wherein the hot press is a multi-station intermittent hot press or a continuous hot press, the pressure of the hot press is 1-100 MPa, the hot pressing temperature is 250-700 ℃, and the hot pressing time is 3-20 min;
ninth step, cutting
Cutting a high-density mineral cotton fiber board which is formed by hot pressing and used for replacing a wood board according to a preset size;
step ten, packaging or post-veneering packaging
And packaging the high-density mineral cotton fiberboard which is cut according to the edges and used for replacing the blockboard or packaging the high-density mineral cotton fiberboard which is cut according to the edges and used for replacing the blockboard after facing.
Furthermore, the high-density mineral cotton fiber board can be used for replacing wood boards for home decoration, can be used for replacing wood materials for equipment packaging, and can also be used as a wall material.
The invention has the beneficial effects that:
compared with the blockboard, the high-density mineral cotton fiberboard for replacing the blockboard has the characteristics of high burning point and good fireproof performance, and no pollutants such as wastewater, waste residues and the like are discharged in the production process, so that the felling of forest resources can be reduced, and the environment is protected; compared with the traditional mineral cotton fiberboard, the mineral cotton fiberboard has the characteristics of high density, high strength, high tensile and compressive strength and the like; the prepared high-density mineral cotton fiberboard for replacing a blockboard has no harmful gas emission in the use process, has wide application range, can be used for the aspects of building home decoration, packaging and the like, and can also be used as a wall material.
Drawings
FIG. 1 is a schematic view of the overall structure of an automated production line according to the present invention;
FIG. 2 is a schematic view of the construction of a melting furnace system according to the invention;
FIG. 3 is a process flow diagram of an automated manufacturing line according to the present invention;
reference numerals: 101. the system comprises a side-turning automobile walking platform, 102, a side-turning automobile, 103, a material bin, 104, an automatic vibration material outlet of the material bin, 105, a daily material bin with a weighing function, 106, a material mixing hopper, 107, a horizontal belt conveyor, 108, a lifter, 109, a melting furnace system, 1091, a rock wool heating preheating furnace, 1092, a material secondary dispersion pipe, 1093, a melting furnace, 1094, an overflow channel, 1095, a speed-regulating, tempering and heat-preserving molten pool, 110 and a working platform.
Detailed Description
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the accompanying drawings.
Example 1
High-density mineral cotton fiberboard for replacing blockboardThe high-density mineral cotton fiberboard is prepared by an automatic production line, and the raw materials for preparing the high-density mineral cotton fiberboard are as follows according to parts by mass: 40-70 parts of industrial solid waste, 25-50 parts of natural ore, 0.5-5 parts of mineral wool binder, 0.1-0.6 part of water repellent and 1-5 parts of additive, wherein the density of the prepared high-density mineral wool fiberboard is 250-1500 kg/m3The tensile strength is 0.15-0.7 MPa, the compressive strength is 13-75 MPa, the ignition point is 600-1000 ℃, the single-point anchoring force is 300-1500N, the fiber length in the prepared high-density mineral cotton fiber board is more than 95% and more than 5cm, and the prepared high-density mineral cotton fiber board comprises the following chemical components in parts by mass: 36-48 parts of SiO224-35 parts of CaO, 4-9 parts of MgO and 8-15 parts of AI2O3And 1-5 parts of Fe2O31-5 parts of other components.
Wherein the industrial solid waste comprises one or a combination of two or more of, but not limited to, slag, fly ash, phosphorus beneficiation, the natural ore comprises one or a combination of two or more of, but not limited to, basalt, dolomite, diabase, limestone, quartz stone, the mineral wool binder comprises, but is not limited to, formaldehyde-free mineral wool binder, such as a water soluble acrylic acid polymer binder, the water repellent comprises, but is not limited to, one of molten paraffin or polysiloxane emulsion, and the additive comprises, but is not limited to, one of ammonia water, anti-dust oil, silane coupling agent.
The automatic production line mainly comprises a feeding system, a melting furnace system, a cotton making system, a cotton collecting system, a prepressing system, a curing and forming system, a servo transverse system, a hot-press forming system, a cutting system and a packaging system which are connected in sequence; the automatic production line also comprises an intelligent control system and a remote visual system, wherein the intelligent control system is used for controlling the operation of working elements in the feeding system, the melting furnace system, the cotton making system, the cotton collecting system, the prepressing system, the curing and forming system, the servo transverse system, the hot-press forming system, the cutting system and the packaging system;
the feeding system comprises a working platform 110, a side-turning automobile walking platform 101 which is vertically arranged is arranged on one side end face of the working platform 110, the cross section of the side-turning automobile walking platform 101 is in a trapezoid shape with two sides being inclined planes, or in an isosceles trapezoid shape, a side-turning automobile 102 which transversely moves along the end face of the side-turning automobile walking platform 101 is arranged on the end face of the side-turning automobile walking platform 101, a plurality of material bins 103 which are used for bearing different raw material types are arranged on one side of the working platform, which is positioned at the horizontal section of the side-turning automobile walking platform 101, a hopper of the side-turning automobile 102 runs towards the material bins 103 when turning over, the side-turning automobile walking platform 101,
the bottom surface of the material bin 103 is arranged in a downward inclined manner, one end of the material bin far away from the side-turning automobile is provided with a material bin automatic vibration discharge port 104 corresponding to the bottom surface of the material bin, the material bin automatic vibration discharge port 104 is realized by arranging a vibration motor at the lower part of the bottom surface of one end of the material bin near to the side-turning automobile, the bottom of the material bin automatic vibration discharge port 104 is correspondingly provided with a mixing hopper 106, a belt weighing daily bin 105 is correspondingly arranged between the material bin automatic vibration discharge port 104 and the mixing hopper 106, a horizontal belt conveyor 107 for controlling the mixing hopper 106 to move is arranged below a base, one end of the mixing hopper 106 is hinged with the base, the intelligent control system can control the mixing hopper 106 to turn on the base, the horizontal belt conveyor 107 is arranged in parallel to the side-turning automobile walking platform 101, one side of the horizontal belt conveyor 107 is provided with an elevator 108 which is, the elevator 108 is used for conveying the mixing hopper to the top of the elevator, a melting furnace system 109 is correspondingly arranged at the bottom of the tail end of the elevator 108, the melting furnace system 109 comprises a melting furnace 1093 corresponding to the tail end of the elevator, the melting furnace 1093 is connected with a speed-regulating, tempering and heat-preserving molten pool 1095 through an overflow channel 1094, the speed-regulating, tempering and heat-preserving molten pool 1095 is mainly used for mixing and temperature equalization of liquid materials, a heating device is arranged in the melting furnace 1093 and comprises a heating pipe inserted into the melting furnace, the heating pipe is made of a silicon-molybdenum rod and a protection pipe and directly heats the materials through heat transfer, the melting furnace system 109 further comprises a rock wool heating and preheating furnace 1091 arranged between the melting furnace 1093 and the tail end of the elevator 108, the rock wool heating and preheating furnace 1091 is of a vertical structure and automatically flows downwards under the action of gravity after the materials enter the preheating furnace, and automatic mixing is realized, Automatic heating; the discharge gate of rock wool heating preheater 1091 is connected with melting furnace 1093 through a plurality of material secondary dispersion pipe 1092, disperses the material to a plurality of positions of melting furnace through material secondary dispersion pipe, and the dispersion of being convenient for is heated, is prevented piling up.
A preparation method of a high-density mineral cotton fiberboard for replacing a blockboard comprises the following steps of feeding, melting or melting after preheating, glue spraying and fiber forming, cotton collecting, pendulum bob pleating, prepressing, curing and forming, transverse binding, hot-press forming, cutting, packaging or packing after veneering, and the preparation method specifically comprises the following steps:
step one, feeding
The method comprises the steps that raw materials are respectively laterally turned to corresponding material bins 103 through a side-turning automobile 102 according to the types of the fed materials, the raw materials of the material bins 103 flow into a weighing daily bin 105 through a material bin automatic vibration discharge port 104, the materials of the weighing daily bin 105 are weighed according to the proportion through a discharge port of the weighing daily bin 105 and then automatically flow into corresponding mixing hoppers 106 to be uniformly mixed, the mixing hoppers 106 move to the bottom of a lifting machine on a horizontal belt conveyor, and the mixing hoppers are conveyed to the tops of the mixing hoppers through the lifting machine 108 to be located above a melting furnace system 109;
step two, melting after melting or preheating
The raw materials conveyed to the upper part of the melting furnace system are firstly turned over to a preheating furnace for preheating and then conveyed into a melting furnace 1093 through a material secondary dispersion pipe 1092 for heating and melting, the heated and melted liquefied materials automatically overflow from an overflow channel 1094 of the melting furnace and flow into a speed-regulating, tempering and heat-preserving molten pool 1095, and the component uniformity and the acidity required by the formed cotton of the liquefied materials are further regulated;
step three, spraying glue to form fiber
The liquefied material with the adjusted acidity is fed into a centrifugal machine of a cotton making system, the liquefied material is thrown into filamentous rock wool under the high-speed rotation condition of the centrifugal machine, and atomized adhesive is sprayed onto the surface of the filamentous rock wool through a spray hole during fiber forming to obtain the adhesive-sprayed filamentous rock wool;
step four, cotton collecting and pendulum mass pleating
Collecting the fiber filamentous rock wool sprayed with glue by a horn-shaped swing hopper in a cotton collecting system, swinging the swing hopper left and right along the edge of a discharge port, pleating the fiber filamentous rock wool and uniformly paving the fiber filamentous rock wool on a paving machine to ensure that the rock wool has uniform thickness;
step five, prepressing
The paved glue-sprayed fiber filamentous rock wool is subjected to preliminary molding of a fiber plate blank through a sweeping roller and a prepressing machine of a prepressing system, and the prepressing can adopt a continuous roller type prepressing or a continuous flat pressing type prepressing machine;
step six, curing and forming
Conveying the pre-pressed and primarily formed plate blank to a curing furnace of a curing and forming system, further compressing the plate blank under the combined action of temperature and pressure to obtain a cured and formed fiber plate, conveying the pre-pressed and primarily formed plate blank to the curing furnace of the curing and forming system, removing gas in the plate blank, increasing the density of the plate blank, so that rock wool fibers are tightly adhered and pressed together, providing a temperature condition for hot pressing, and shortening the hot-pressing and forming period, wherein the curing furnace is heated by electric heating at the temperature of 200-300 ℃ to replace natural gas for heating, reduce emission and have the characteristics of environmental protection;
step seven, transverse
Obtaining a neat section of the cured and molded fiber board along the vertical direction of the movement of the board material through servo violence, so that the neat section accords with the length and the width of the board blank entering a hot press;
step eight, hot press forming
Further compressing the solidified and molded plate blank by using a hot press to increase the density of the plate blank to a preset value, wherein the hot press is a multi-station intermittent hot press or a continuous hot press, the hot press can realize single-layer or multi-layer hot pressing to meet the requirement of continuous production, the pressure of the hot press is 1-100 MPa, the hot pressing temperature is 250-700 ℃, and the hot pressing time is 3-20 min;
ninth step, cutting
Cutting a high-density mineral cotton fiber board which is formed by hot pressing and used for replacing a wood board according to a preset size;
step ten, packaging or post-veneering packaging
And packaging the high-density mineral cotton fiberboard which is cut according to the edges and used for replacing the blockboard or packaging the high-density mineral cotton fiberboard which is cut according to the edges and used for replacing the blockboard after facing.
The prepared high-density mineral cotton fiber board can be used for replacing wood boards for home decoration, can be used for replacing wood materials for equipment packaging, and can also be used as a wall material.
Example 2
The high-density mineral cotton fiberboard is prepared by an automatic production line and comprises the following raw materials in parts by mass: 40-70 parts of industrial solid waste, 25-50 parts of natural ore, 0.5-5 parts of mineral wool binder, 0.1-0.6 part of water repellent and 1-5 parts of additive, wherein the density of the prepared high-density mineral wool fiberboard is 250-1500 kg/m3The tensile strength is 0.15-0.7 MPa, the compressive strength is 13-75 MPa, the ignition point is 600-1000 ℃, the single-point anchoring force is 300-1500N, the fiber length in the prepared high-density mineral cotton fiber board is more than 95% and more than 5cm, and the prepared high-density mineral cotton fiber board comprises the following chemical components in parts by mass: 36-48 parts of SiO224-35 parts of CaO, 4-9 parts of MgO and 8-15 parts of AI2O3And 1-5 parts of Fe2O31-5 parts of other components.
Wherein the industrial solid waste comprises one or a combination of two or more of, but not limited to, slag, fly ash, phosphorus beneficiation, the natural ore comprises one or a combination of two or more of, but not limited to, basalt, dolomite, diabase, limestone, quartz stone, the mineral wool binder comprises, but is not limited to, formaldehyde-free mineral wool binder, such as a water soluble acrylic acid polymer binder, the water repellent comprises, but is not limited to, one of molten paraffin or polysiloxane emulsion, and the additive comprises, but is not limited to, one of ammonia water, anti-dust oil, silane coupling agent.
The automatic production line mainly comprises a feeding system, a melting furnace system, a cotton making system, a cotton collecting system, a prepressing system, a curing and forming system, a servo transverse system, a hot-press forming system, a cutting system and a packaging system; the automatic production line also comprises an intelligent control system and a remote visual system, wherein the intelligent control system is used for controlling the operation of working elements in the feeding system, the melting furnace system, the cotton making system, the cotton collecting system, the prepressing system, the curing and forming system, the servo transverse system, the hot-press forming system, the cutting system and the packaging system;
the feeding system comprises a working platform 110, a side-turning automobile walking platform 101 which is vertically arranged is arranged on one side end face of the working platform 110, the cross section of the side-turning automobile walking platform 101 is in a trapezoid shape with two sides being inclined planes, or in an isosceles trapezoid shape, a side-turning automobile 102 which transversely moves along the end face of the side-turning automobile walking platform 101 is arranged on the end face of the side-turning automobile walking platform 101, a plurality of material bins 103 which are used for bearing different raw material types are arranged on one side of the working platform, which is positioned at the horizontal section of the side-turning automobile walking platform 101, a hopper of the side-turning automobile 102 runs towards the material bins 103 when turning over, the side-turning automobile walking platform 101,
the bottom surface of the material bin 103 is arranged in a downward inclined manner, one end of the material bin far away from the side-turning automobile is provided with a material bin automatic vibration discharge port 104 corresponding to the bottom surface of the material bin, the material bin automatic vibration discharge port 104 is realized by arranging a vibration motor at the lower part of the bottom surface of one end of the material bin near to the side-turning automobile, the bottom of the material bin automatic vibration discharge port 104 is correspondingly provided with a mixing hopper 106, a belt weighing daily bin 105 is correspondingly arranged between the material bin automatic vibration discharge port 104 and the mixing hopper 106, a horizontal belt conveyor 107 for controlling the mixing hopper 106 to move is arranged below a base, one end of the mixing hopper 106 is hinged with the base, the intelligent control system can control the mixing hopper 106 to turn on the base, the horizontal belt conveyor 107 is arranged in parallel to the side-turning automobile walking platform 101, one side of the horizontal belt conveyor 107 is provided with an elevator 108 which is, the material mixing device is characterized in that the elevator 108 is used for conveying a material mixing funnel to the top of the material mixing funnel, a melting furnace system 109 is correspondingly arranged at the bottom of the tail end of the elevator 108, the melting furnace system 109 comprises a melting furnace 1093 corresponding to the tail end of the elevator, the melting furnace 1093 is connected with a speed-regulating tempering heat-preserving molten pool 1095 through an overflow channel 1094, a heating device is arranged in the melting furnace 1093 and comprises a heating pipe inserted into the melting furnace, and the heating pipe is made of a silicon-molybdenum rod and a protection pipe.
A preparation method of a high-density mineral cotton fiberboard for replacing a blockboard comprises the following steps of feeding, melting or melting after preheating, glue spraying and fiber forming, cotton collecting, pendulum bob pleating, prepressing, curing and forming, transverse binding, hot-press forming, cutting, packaging or packing after veneering, and the preparation method specifically comprises the following steps:
step one, feeding
The method comprises the steps that raw materials are respectively laterally turned to corresponding material bins 103 through a side-turning automobile 102 according to the types of the fed materials, the raw materials of the material bins 103 flow into a weighing daily bin 105 through a material bin automatic vibration discharge port 104, the materials of the weighing daily bin 105 are weighed according to the proportion through a discharge port of the weighing daily bin 105 and then automatically flow into corresponding mixing hoppers 106 to be uniformly mixed, the mixing hoppers 106 move to the bottom of a lifting machine on a horizontal belt conveyor, and the mixing hoppers are conveyed to the tops of the mixing hoppers through the lifting machine 108 to be located above a melting furnace system 109;
step two, melting after melting or preheating
The raw materials conveyed to the upper part of the melting furnace system are directly conveyed into the melting furnace for heating and melting through the side turning of the mixing hopper, the heated and melted liquefied materials automatically overflow from an overflow channel 1094 of the melting furnace and flow into a speed-regulating, tempering and heat-preserving molten pool 1095, and the component uniformity and the acidity required by the formed cotton of the liquefied materials are further regulated;
step three, spraying glue to form fiber
The liquefied material with the adjusted acidity is fed into a centrifugal machine of a cotton making system, the liquefied material is thrown into filamentous rock wool under the high-speed rotation condition of the centrifugal machine, and atomized adhesive is sprayed onto the surface of the filamentous rock wool through a spray hole during fiber forming to obtain the adhesive-sprayed filamentous rock wool;
step four, cotton collecting and pendulum mass pleating
Collecting the fiber filamentous rock wool sprayed with glue by a horn-shaped swing hopper in a cotton collecting system, swinging the swing hopper left and right along the edge of a discharge port, pleating the fiber filamentous rock wool and uniformly paving the fiber filamentous rock wool on a paving machine to ensure that the rock wool has uniform thickness;
step five, prepressing
The paved glue-sprayed fiber filamentous rock wool is subjected to preliminary molding of a fiber plate blank through a sweeping roller and a prepressing machine of a prepressing system, and the prepressing can adopt a continuous roller type prepressing or a continuous flat pressing type prepressing machine;
step six, curing and forming
Conveying the pre-pressed and primarily formed plate blank to a curing furnace of a curing and forming system, and further compressing the plate blank under the combined action of temperature and pressure to obtain a cured and formed fiber plate, wherein the curing furnace is heated by adopting electric heating, the temperature is 200-300 ℃, the pre-pressed and primarily formed plate blank is conveyed to the curing furnace of the curing and forming system, gas in the plate blank is removed, the density of the plate blank is increased, so that rock wool fibers are tightly adhered together, a temperature condition is provided for hot pressing, and the hot pressing and forming period is shortened;
step seven, transverse
Obtaining a neat section of the cured and molded fiber board along the vertical direction of the movement of the board material through servo violence, so that the neat section accords with the length and the width of the board blank entering a hot press;
step eight, hot press forming
Further compressing the solidified and molded plate blank by using a hot press to increase the density of the plate blank to a preset value, wherein the hot press is a multi-station intermittent hot press or a continuous hot press, the pressure of the hot press is 1-100 MPa, the hot pressing temperature is 250-700 ℃, and the hot pressing time is 3-20 min;
ninth step, cutting
Cutting a high-density mineral cotton fiber board which is formed by hot pressing and used for replacing a wood board according to a preset size;
step ten, packaging or post-veneering packaging
And packaging the high-density mineral cotton fiberboard which is cut according to the edges and used for replacing the blockboard or packaging the high-density mineral cotton fiberboard which is cut according to the edges and used for replacing the blockboard after facing.
The prepared high-density mineral cotton fiber board can be used for replacing wood boards for home decoration, can be used for replacing wood materials for equipment packaging, and can also be used as a wall material.
While there have been shown and described what are at present considered the fundamental principles of the invention, its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. A high density mineral wool fiberboard for replacing a blockboard, characterized in that: the high-density mineral cotton fiberboard is prepared by an automatic production line, and the raw materials for preparing the high-density mineral cotton fiberboard are as follows according to parts by mass: 40-70 parts of industrial solid waste, 25-50 parts of natural ore, 0.5-5 parts of mineral wool binder, 0.1-0.6 part of water repellent and 1-5 parts of additive, wherein the density of the prepared high-density mineral wool fiberboard is 250-1500 kg/m3The tensile strength is 0.15-0.7 MPa, the compressive strength is 13-75 MPa, the ignition point is 600-1000 ℃, the single-point anchoring force is 300-1500N, and the prepared high-density mineral cotton fiberboard comprises the following chemical components in parts by mass: 36-48 parts of SiO224-35 parts of CaO, 4-9 parts of MgO and 8-15 parts of AI2O3And 1-5 parts of Fe2O31-5 parts of other components.
2. A high density mineral wool fiberboard for use in place of a blockboard as claimed in claim 1, wherein: the industrial solid waste includes, but is not limited to, one or a combination of more than two of slag, fly ash and phosphorus ore dressing.
3. A high density mineral wool fiberboard for use in place of a blockboard as claimed in claim 1, wherein: the natural ore includes but is not limited to one or the combination of more than two of basalt, dolomite, diabase, limestone and quartz.
4. A high density mineral wool fiberboard for use in place of a blockboard as claimed in claim 1, wherein: the mineral wool binder includes, but is not limited to, water-soluble acrylic polymers.
5. A high density mineral wool fiberboard for use in place of a blockboard as claimed in claim 1, wherein: the water repellent includes, but is not limited to, one of a molten paraffin or a silicone emulsion.
6. A high density mineral wool fiberboard for use in place of a blockboard as claimed in claim 1, wherein: the additive includes but is not limited to one of ammonia, dustproof oil and silane coupling agent.
7. A high density mineral wool fiberboard for use in place of a blockboard as claimed in claim 1, wherein: the automatic production line mainly comprises a feeding system, a melting furnace system, a cotton making system, a cotton collecting system, a prepressing system, a curing and forming system, a servo transverse system, a hot-press forming system, a cutting system and a packaging system;
the feeding system comprises a working platform (110), a side-turning automobile walking platform (101) which is vertically arranged is arranged on one side end face of the working platform (110), the cross section of the side-turning automobile walking platform (101) is in a trapezoid shape with two inclined sides, a side-turning automobile (102) which transversely moves along the end face of the side-turning automobile walking platform is arranged on the end face of the side-turning automobile walking platform (101), a plurality of material bins (103) used for bearing different raw material types are arranged on one side of the working platform, which is positioned at the horizontal section of the side-turning automobile walking platform (101), and a hopper of the side-turning automobile (102) rotates towards the material bins (103) when turning over;
the bottom surface downward sloping of material storehouse (103) sets up, and the one end of keeping away from the car of turning on one's side in the material storehouse corresponds its bottom surface and is provided with material storehouse automatic vibrations discharge gate (104), and the bottom that is located material storehouse automatic vibrations discharge gate (104) corresponds and is provided with compounding funnel (106), it weighs day feed bin (105) to correspond to be provided with the area between material storehouse automatic vibrations discharge gate (104) and compounding funnel (106), the base below of compounding funnel (106) is provided with horizontal belt conveyer (107) of its removal of control, horizontal belt conveyer (107) and the car walking platform (101) parallel arrangement that turns on one's side of turning on one's side, one side of horizontal belt conveyer (107) is provided with lifting machine (108) that the slope set up to the top, lifting machine (108) are used for conveying compounding funnel to its top, the terminal bottom of lifting machine (108) corresponds, the melting furnace system (109) comprises a melting furnace (1093) corresponding to the tail end of the lifter, the melting furnace (1093) is connected with a speed-regulating tempering heat-preserving molten pool (1095) through an overflow channel (1094), a heating device is arranged in the melting furnace (1093), the heating device comprises a heating pipe inserted into the melting furnace, and the heating pipe is made of a silicon-molybdenum rod and a protection pipe.
8. A high density mineral wool fiberboard for use in place of a blockboard as claimed in claim 7, wherein: the melting furnace system (109) further comprises a rock wool heating preheating furnace (1091) arranged between the melting furnace (1093) and the tail end of the lifting machine (108), and a discharge hole of the rock wool heating preheating furnace (1091) is connected with the melting furnace (1093) through a plurality of material secondary dispersion pipes (1092).
9. The method of making a high density mineral wool fiberboard for use in replacing wood board as claimed in claim 7, wherein: including material loading, melting or melt after preheating, spout gluey fibre-forming, collection cotton, pendulum are wrinkled, pre-compaction, solidification forming, violently according, hot briquetting, cutting, packing or packing behind the wainscot, specific step is:
step one, feeding
The method comprises the steps that raw materials are respectively turned to corresponding material bins (103) through a side-turning automobile (102) according to the types of the fed materials, the raw materials of the material bins (103) respectively flow into a weighing daily bin (105) through an automatic material bin vibration discharge port (104), the materials of the weighing daily bin (105) are weighed according to the proportion through the discharge port of the weighing daily bin (105) and then automatically flow into corresponding mixing hoppers (106) to be uniformly mixed, the mixing hoppers (106) move to the bottom of a lifting machine on a horizontal belt conveyor, and the mixing hoppers are lifted to the tops of the lifting machine (108) through the lifting machine (108) to enable the mixing hoppers to be located above a melting furnace system (109);
step two, melting after melting or preheating
The raw materials conveyed to the upper part of the melting furnace system are directly conveyed into the melting furnace to be heated and melted through the side turning of the mixing hopper or the raw materials conveyed to the upper part of the melting furnace system are firstly conveyed into the preheating furnace to be preheated and then conveyed into the melting furnace (1093) through a material secondary dispersion pipe (1092) to be heated and melted, the heated and melted liquefied materials automatically overflow from an overflow channel (1094) of the melting furnace and flow into a speed-regulating, tempering and heat-preserving molten pool (1095) to regulate the component uniformity of the liquefied materials and regulate the acidity of the liquefied materials;
step three, spraying glue to form fiber
The liquefied material with the adjusted acidity is fed into a centrifugal machine of a cotton making system, the liquefied material is thrown into filamentous rock wool under the high-speed rotation condition of the centrifugal machine, and atomized adhesive is sprayed onto the surface of the filamentous rock wool through a spray hole during fiber forming to obtain the adhesive-sprayed filamentous rock wool;
step four, cotton collecting and pendulum mass pleating
Collecting the fiber filamentous rock wool sprayed with glue by a horn-shaped swing hopper in a cotton collecting system, swinging the swing hopper left and right along the edge of a discharge port, pleating the fiber filamentous rock wool and uniformly paving the fiber filamentous rock wool on a paving machine to ensure that the rock wool has uniform thickness;
step five, prepressing
The paved glue-sprayed fiber filamentous rock wool is subjected to preliminary molding of a fiber plate blank through a sweeping roller and a prepressing machine of a prepressing system, and the prepressing can adopt a continuous roller type prepressing or a continuous flat pressing type prepressing machine;
step six, curing and forming
Conveying the pre-pressed and preliminarily molded plate blank to a curing furnace of a curing molding system, and further compressing under the combined action of temperature and pressure to obtain a cured and molded fiber plate, wherein the curing furnace is heated by adopting electric heating;
step seven, transverse
Obtaining a neat section of the cured and molded fiber board along the vertical direction of the movement of the board material through servo violence, so that the neat section accords with the length and the width of the board blank entering a hot press;
step eight, hot press forming
Further compressing the solidified and molded plate blank by using a hot press to increase the density of the plate blank to a preset value, so as to prepare a hot-press molded high-density mineral cotton fiberboard for replacing a blockboard, wherein the hot press is a multi-station intermittent hot press or a continuous hot press, the pressure of the hot press is 1-100 MPa, the hot pressing temperature is 250-700 ℃, and the hot pressing time is 3-20 min;
ninth step, cutting
Cutting a high-density mineral cotton fiber board which is formed by hot pressing and used for replacing a wood board according to a preset size;
step ten, packaging or post-veneering packaging
And packaging the high-density mineral cotton fiberboard which is cut according to the edges and used for replacing the blockboard or packaging the high-density mineral cotton fiberboard which is cut according to the edges and used for replacing the blockboard after facing.
10. A high density mineral wool fiberboard for use in place of a blockboard as claimed in claim 1, wherein: the high-density mineral cotton fiberboard can be used for replacing a wood board for home decoration, can be used for replacing a wood material for equipment packaging, and can also be used as a wall material.
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- 2020-02-21 CN CN202010106181.1A patent/CN111393030A/en active Pending
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| CN201309442Y (en) * | 2008-08-20 | 2009-09-16 | 秦皇岛首秦金属材料有限公司 | Device for unloading goods transported by side-tipping type automobile |
| AT509990B1 (en) * | 2010-12-22 | 2012-01-15 | Asamer Basaltic Fibers Gmbh | BASALT FIBER |
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Application publication date: 20200710 |