CN117627296A - Waterproof cement fiberboard and processing method - Google Patents
Waterproof cement fiberboard and processing method Download PDFInfo
- Publication number
- CN117627296A CN117627296A CN202311592022.7A CN202311592022A CN117627296A CN 117627296 A CN117627296 A CN 117627296A CN 202311592022 A CN202311592022 A CN 202311592022A CN 117627296 A CN117627296 A CN 117627296A
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- waterproof
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- inner core
- core layer
- cement
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- 239000004568 cement Substances 0.000 title claims abstract description 34
- 239000011094 fiberboard Substances 0.000 title claims abstract description 29
- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 239000010410 layer Substances 0.000 claims abstract description 50
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 28
- 239000012792 core layer Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000002025 wood fiber Substances 0.000 claims abstract description 25
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 17
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 16
- 239000004576 sand Substances 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 15
- 239000011398 Portland cement Substances 0.000 claims abstract description 14
- 239000011230 binding agent Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims description 22
- 238000000576 coating method Methods 0.000 claims description 22
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 13
- 239000003063 flame retardant Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000003607 modifier Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- 229920000388 Polyphosphate Polymers 0.000 claims description 3
- 108010009736 Protein Hydrolysates Proteins 0.000 claims description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000008387 emulsifying waxe Substances 0.000 claims description 3
- RSKGMYDENCAJEN-UHFFFAOYSA-N hexadecyl(trimethoxy)silane Chemical compound CCCCCCCCCCCCCCCC[Si](OC)(OC)OC RSKGMYDENCAJEN-UHFFFAOYSA-N 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000010907 mechanical stirring Methods 0.000 claims description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical group NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000001205 polyphosphate Substances 0.000 claims description 3
- 235000011176 polyphosphates Nutrition 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 239000006188 syrup Substances 0.000 claims description 3
- 235000020357 syrup Nutrition 0.000 claims description 3
- 239000010875 treated wood Substances 0.000 claims description 3
- 239000002383 tung oil Substances 0.000 claims description 3
- 150000003863 ammonium salts Chemical group 0.000 claims description 2
- 238000005536 corrosion prevention Methods 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 229920000289 Polyquaternium Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0866—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of several layers, e.g. sandwich panels or layered panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/28—Multiple coating on one surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
- B32B2262/067—Wood fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
- E04F2290/045—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a waterproof cement fiberboard and a processing method thereof, the waterproof cement fiberboard comprises an inner core layer, a metal frame is arranged in the inner core layer, a plurality of penetrating meshes are uniformly distributed on the metal frame, a non-woven fabric layer is adhered on the outer side surface of the inner core layer, and the method comprises the following steps: preparing raw materials including Portland cement, a binder, tailing sand, modified wood fibers, water and a water reducer according to the component proportions; according to the cement fiberboard, the metal frame structure is additionally arranged in the cement fiberboard, and the modified wood fiber and the tailing sand are used as raw materials for manufacturing the inner core layer, so that the whole cement fiberboard structure is more stable, the integral reinforcement effect can be achieved, and the occurrence of fracture and cracking is reduced; the replacement is environment-friendly, and in addition, the nonwoven fabric fiber which is externally designed is matched with a waterproof layer, so that the situation of cracking of the surface of the cement fiber board is further reduced while a good waterproof effect is achieved; the designed corrosion-resistant layer plays a role in further protecting the cement fiberboard.
Description
Technical Field
The invention belongs to the technical field of cement fiber boards, and particularly relates to a waterproof cement fiber board and a processing method thereof.
Background
The fiber cement board is a board prepared by taking cement as a basic material and an adhesive, taking mineral fiber cement and other fibers as reinforcing materials and performing procedures such as pulping, forming, curing and the like, is applied to fireproof and flame-retardant of cable engineering in electric charge intensive places such as various domestic power plants, chemical enterprises and the like, and is also an optimal fireproof and flame-retardant material for indoor decoration fireproof and flame-retardant engineering in public places such as large markets, hotels, file halls, closed clothing markets, light industry markets, movie theatres and the like.
After the traditional fiber cement board is used for a long time, the fiber cement board can be cracked and broken, and is waterproof, corrosion-resistant and general in performance, so that the invention provides a waterproof cement fiber board and a processing method.
Disclosure of Invention
The invention aims to provide a waterproof cement fiberboard and a processing method thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the waterproof cement fiberboard comprises an inner core layer, wherein a metal frame is arranged in the inner core layer, a plurality of penetrating meshes are uniformly distributed on the metal frame, a layer of non-woven fabric layer is adhered to the outer side surface of the inner core layer, a layer of waterproof layer is coated on the outer side of the non-woven fabric layer, and a layer of anti-corrosion layer is coated on the outer side of the waterproof layer.
Preferably, the composition raw materials of the inner core layer comprise 50-70 parts of Portland cement, 3-5 parts of binder, 10-20 parts of tailing sand, 20-25 parts of modified wood fiber, 3-6 parts of water, 0.5-2.0 parts of water reducer and 1-2 parts of flame retardant.
A processing method of waterproof cement fiberboard comprises the following steps: preparing raw materials including Portland cement, a binder, tailing sand, modified wood fibers, water and a water reducer according to the component proportions;
step two: firstly, pouring prepared Portland cement, modified wood fibers and tailing sand into a container filled with water, and uniformly mixing the Portland cement, the modified wood fibers and the tailing sand through mechanical stirring for 5-8min at the rotating speed of 600-1000 rpm;
step three: pouring the binder, the water reducing agent and the flame retardant into a container, stirring again to uniformly mix the materials for standby, wherein the stirring time is 2-4min, and the rotating speed is 600-1000 rpm;
step four: placing a metal frame in the middle of a mould for overhead, pouring the mixture prepared in the third step into a mould, pressing the mixture into a blank, and placing the blank in a maintenance workshop for drying;
step five: performing surface sand blasting treatment on the dried blank, and then blowing dust on the surface to be clean to prepare an inner core layer;
step six: coating a layer of adhesive on the surface of the inner core layer, and then flatly adhering the non-woven fabric layer on the surface of the inner core layer;
step seven: uniformly brushing waterproof paint on the surface of the non-woven fabric layer to form a waterproof layer, and curing by an air heater at 50-80 ℃ for 10-15min;
step eight: and uniformly coating an anticorrosive coating on the outer side of the waterproof layer to form an anticorrosive layer, and curing the anticorrosive coating by an air heater at the temperature of 50-80 ℃ for 10-15min to obtain a finished product.
Preferably, the manufacturing method of the modified wood fiber comprises the following steps: and adding the sieved and dried wood fiber powder into a modifier, stirring for reaction, and separating the treated wood fiber powder from the modifier by centrifugal sedimentation to obtain the modified wood fiber.
Preferably, the modifier is one or more of ethyl silicate hydrolysate, citric acid solution and hexadecyltrimethoxysilane.
Preferably, the binder is one or more of tung oil, syrup, and synthetic resin; the water reducer is a polycarboxylic water reducer, and the flame retardant is melamine polyphosphate.
Preferably, the waterproof coating used for forming the waterproof layer is an organosilicon waterproof agent and an emulsifying wax waterproof agent, and the anticorrosive coating used for forming the anticorrosive layer is composed of decabromodiphenyl ether, polyquaternary ammonium salt and tetrabutylammonium hydroxide according to a mass ratio of 2:5:2.
Compared with the prior art, the invention has the beneficial effects that: according to the cement fiberboard, the metal frame structure is additionally arranged in the cement fiberboard, and the modified wood fiber and the tailing sand are used as raw materials for manufacturing the inner core layer, so that the whole cement fiberboard structure is more stable, the integral reinforcement effect can be achieved, and the occurrence of fracture and cracking is reduced; the replacement is environment-friendly, and in addition, the nonwoven fabric fiber which is externally designed is matched with a waterproof layer, so that the situation of cracking of the surface of the cement fiber board is further reduced while a good waterproof effect is achieved; the designed corrosion-resistant layer plays a role in further protecting the cement fiberboard.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of a metal frame structure according to the present invention.
1. An inner core layer; 2. a metal frame; 3. a non-woven fabric layer; 4. a waterproof layer; 5. an anti-corrosion layer; 6. mesh openings.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the present invention provides a technical solution:
example 1
The utility model provides a waterproof cement fiberboard, includes inner core layer 1, and the inside of inner core layer 1 is provided with metal frame 2, evenly distributed is provided with a plurality of mesh 6 that run through on the metal frame 2, and the outside surface bonding of inner core layer 1 is provided with one deck non-woven fabrics layer 3, and the outside coating of non-woven fabrics layer 3 is provided with one deck waterproof layer 4, and the outside coating of waterproof layer 4 is provided with one deck corrosion protection layer 5.
In this embodiment, the inner core layer 1 preferably comprises 50 parts of Portland cement, 3 parts of binder, 10 parts of tailing sand, 20 parts of modified wood fiber, 3 parts of water, 0.5 part of water reducer and 1 part of flame retardant.
A processing method of waterproof cement fiberboard comprises the following steps: preparing raw materials including Portland cement, a binder, tailing sand, modified wood fibers, water and a water reducer according to the component proportions;
step two: firstly, pouring prepared Portland cement, modified wood fibers and tailing sand into a container filled with water, and uniformly mixing the Portland cement, the modified wood fibers and the tailing sand through mechanical stirring for 5-8min at the rotating speed of 600-1000 rpm;
step three: pouring the binder, the water reducing agent and the flame retardant into a container, stirring again to uniformly mix the materials for standby, wherein the stirring time is 2-4min, and the rotating speed is 600-1000 rpm;
step four: placing the metal frame 2 in the middle of a mould for overhead, pouring the mixture prepared in the step three into a mould, pressing the mixture into a blank, and placing the blank in a maintenance workshop for drying;
step five: carrying out surface sand blasting treatment on the dried blank, and then blowing dust on the surface to be clean to prepare an inner core layer 1;
step six: coating a layer of adhesive on the surface of the inner core layer 1, and then flatly adhering the non-woven fabric layer 3 on the surface of the inner core layer 1;
step seven: uniformly brushing waterproof paint on the surface of the non-woven fabric layer 3 to form a waterproof layer 4, and curing by an air heater at 50-80 ℃ for 10-15min;
step eight: and uniformly coating an anticorrosive coating on the outer side of the waterproof layer 4 to form an anticorrosive layer 5, and curing the anticorrosive coating at the temperature of 50-80 ℃ for 10-15min by using an air heater to obtain a finished product.
In this embodiment, preferably, the method for manufacturing the modified wood fiber includes: and adding the sieved and dried wood fiber powder into a modifier, stirring for reaction, and separating the treated wood fiber powder from the modifier by centrifugal sedimentation to obtain the modified wood fiber.
In this embodiment, the modifier is preferably one or more of ethyl silicate hydrolysate, citric acid solution and hexadecyltrimethoxysilane.
In this embodiment, preferably, the binder is one or more of tung oil, syrup, and synthetic resin; the water reducer is a polycarboxylic acid water reducer, and the flame retardant is melamine polyphosphate.
In this embodiment, preferably, the waterproof coating used for forming the waterproof layer 4 is an organosilicon waterproof agent or an emulsifying wax waterproof agent, and the anticorrosive coating used for forming the anticorrosive layer 5 is composed of decabromodiphenyl ether, polyquaternium and tetrabutylammonium hydroxide according to a mass ratio of 2:5:2.
Example 2
The difference from example 1 is that: in this embodiment, the inner core layer 1 preferably comprises 70 parts of Portland cement, 5 parts of binder, 20 parts of tailing sand, 25 parts of modified wood fiber, 6 parts of water, 2.0 parts of water reducer and 2 parts of flame retardant.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Waterproof cement fiberboard, including inner core layer (1), its characterized in that: the inside of inner core layer (1) is provided with metal frame (2), evenly distributed is provided with a plurality of mesh (6) that run through on metal frame (2), the outside surface bonding of inner core layer (1) is provided with one deck non-woven fabrics layer (3), the outside coating of non-woven fabrics layer (3) is provided with one deck waterproof layer (4), the outside coating of waterproof layer (4) is provided with one deck corrosion prevention layer (5).
2. A waterproof cement fiberboard according to claim 1, characterized in that: the inner core layer (1) comprises the following raw materials of 50-70 parts of Portland cement, 3-5 parts of binder, 10-20 parts of tailing sand, 20-25 parts of modified wood fiber, 3-6 parts of water, 0.5-2.0 parts of water reducer and 1-2 parts of flame retardant.
3. A method of processing a waterproof cement fiberboard according to any one of claims 1 to 2, characterized in that: step one: preparing raw materials including Portland cement, a binder, tailing sand, modified wood fibers, water and a water reducer according to the component proportions;
step two: firstly, pouring prepared Portland cement, modified wood fibers and tailing sand into a container filled with water, and uniformly mixing the Portland cement, the modified wood fibers and the tailing sand through mechanical stirring for 5-8min at the rotating speed of 600-1000 rpm;
step three: pouring the binder, the water reducing agent and the flame retardant into a container, stirring again to uniformly mix the materials for standby, wherein the stirring time is 2-4min, and the rotating speed is 600-1000 rpm;
step four: placing a metal frame (2) in the middle of a mould for overhead, pouring the mixture prepared in the step three into the mould, pressing the mixture into a blank, and placing the blank in a maintenance workshop for drying;
step five: carrying out surface sand blasting treatment on the dried blank, and then blowing dust on the surface clean to prepare an inner core layer (1);
step six: coating a layer of adhesive on the surface of the inner core layer (1), and then flatly adhering the non-woven fabric layer (3) on the surface of the inner core layer (1);
step seven: uniformly brushing waterproof paint on the surface of the non-woven fabric layer (3) to form a waterproof layer (4), and curing by an air heater at 50-80 ℃ for 10-15min;
step eight: and uniformly coating an anticorrosive coating on the outer side of the waterproof layer (4) to form an anticorrosive layer (5), and curing the anticorrosive coating at the temperature of 50-80 ℃ for 10-15min by using an air heater to obtain a finished product.
4. A method of processing a waterproof cement fiberboard according to claim 3, wherein: the manufacturing method of the modified wood fiber comprises the following steps: and adding the sieved and dried wood fiber powder into a modifier, stirring for reaction, and separating the treated wood fiber powder from the modifier by centrifugal sedimentation to obtain the modified wood fiber.
5. The waterproof cement fiberboard and the processing method according to claim 4, wherein: the modifier is one or more of ethyl silicate hydrolysate, citric acid solution and hexadecyl trimethoxy silane.
6. A waterproof cement fiberboard and processing method according to claim 3, wherein: the binder is one or more of tung oil, syrup and synthetic resin; the water reducer is a polycarboxylic water reducer, and the flame retardant is melamine polyphosphate.
7. A waterproof cement fiberboard and processing method according to claim 3, wherein: the waterproof coating used for forming the waterproof layer (4) is an organosilicon waterproof agent and an emulsifying wax waterproof agent, and the anticorrosive coating used for forming the anticorrosive layer (5) is composed of decabromodiphenyl ether, polyquaternary ammonium salt and tetrabutylammonium hydroxide according to the mass ratio of 2:5:2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311592022.7A CN117627296A (en) | 2023-11-27 | 2023-11-27 | Waterproof cement fiberboard and processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311592022.7A CN117627296A (en) | 2023-11-27 | 2023-11-27 | Waterproof cement fiberboard and processing method |
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| CN117627296A true CN117627296A (en) | 2024-03-01 |
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| CN202311592022.7A Pending CN117627296A (en) | 2023-11-27 | 2023-11-27 | Waterproof cement fiberboard and processing method |
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| Country | Link |
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| CN (1) | CN117627296A (en) |
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- 2023-11-27 CN CN202311592022.7A patent/CN117627296A/en active Pending
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