CN111037701A - Ecological environment-friendly assembled building wallboard and wet preparation process thereof - Google Patents
Ecological environment-friendly assembled building wallboard and wet preparation process thereof Download PDFInfo
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- CN111037701A CN111037701A CN201911219980.3A CN201911219980A CN111037701A CN 111037701 A CN111037701 A CN 111037701A CN 201911219980 A CN201911219980 A CN 201911219980A CN 111037701 A CN111037701 A CN 111037701A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/007—Manufacture of substantially flat articles, e.g. boards, from particles or fibres and at least partly composed of recycled material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
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- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides a novel ecological environment-friendly assembled building wallboard and a wet preparation process thereof for the field of building materials, wherein biomass straws and a composite adhesive are used as main raw materials, and a proper amount of mildew preventive and adhesion promoter are matched, and the raw materials are uniformly mixed, paved and molded by compression, so that the ecological environment-friendly assembled building wallboard has the advantages of high strength, fire resistance, flame retardance, corrosion resistance, water resistance, mildew prevention, moth prevention, no release of any toxic and harmful substances, easy quality control and the like, and the waste pineapple leaves are fully utilized, thereby finding a good way for the comprehensive utilization of the pineapple leaves. The ecological environment-friendly assembled building wallboard and the wet preparation process thereof replace building materials such as calcium silicate boards, cement boards, gypsum boards and the like to prepare the assembled building walling material, and have the remarkable advantages of convenient construction, low cost and the like.
Description
Technical Field
The invention belongs to the technical field of building materials, relates to a novel composite material taking biomass straws and an inorganic-organic adhesive as main raw materials, and relates to an ecological environment-friendly fabricated building wallboard and a wet preparation process thereof.
Background
The existing artificial boards take wood as a main raw material, cement as a main raw material and plastic wood as a main raw material, and the like, and the artificial boards have the defects of poor water resistance, poor strength, poor flame retardant property, toxic substance release, difficult quality control and the like.
The inventor finds that the formula of raw materials for production and the technical conditions of the production process are different in the actual production process of different biomass crushed aggregates in the long-term research and industrial production practice processes. The production process equipment and technology for manufacturing the board by using the biomass straw and the dry straw fiber are greatly different.
The biomass straws exist in large quantities in China, and comprise branches, leaves, reed straws, weeds, crop straws and the like, and the biomass straws are wasted in a large quantity in fields due to low utilization value, and the environment is polluted when the biomass straws are incinerated or discarded in the fields, so that the biomass straws are one of main sources of non-point source pollution. The water content of the crushed biomass is different in different seasons, and the water content of different biomasses is different; if the straws are the crop straws, all the straws can not be quickly rotted after being returned to the field, the cultivation of the next crop is influenced, the environment is polluted by burning, and in order to solve the problem of resource utilization of the biomass straws, the invention provides a technology for manufacturing the ecological environment-friendly assembled building wallboard by using the biomass straws on the basis of a large number of laboratory tests.
Disclosure of Invention
The invention aims to fully utilize biomass straw resources, takes biomass straws and an inorganic-organic composite adhesive as main raw materials, provides an ecological environment-friendly assembled building wallboard and a wet preparation process thereof, and explores an effective way for comprehensive utilization of pineapple leaves.
The purpose of the invention is realized by adopting the following technical scheme: an ecological environment-friendly assembled building wallboard and a wet preparation process thereof are prepared from the following raw materials in parts by weight: 50-100 parts of biomass straw, 30-120 parts of composite adhesive, 0-2 parts of mildew preventive and 2.5-10 parts of adhesion promoter.
The production process comprises the following steps: crushing biomass straws → extruding and dehydrating to extract fibers (the biomass straws with the water content not more than 25 percent are not required to be extruded) → quantitative adhesion promoter mixing uniformly → quantitative adhesive mixing uniformly → paving of blank plates → prepressing of blank plates → blank plate transportation → hot press molding → dehydrating and curing → edge cutting and sanding → stacking and packaging of finished products.
In the raw materials, the biomass straws refer to branches, leaves, weeds, crop straws and the like, and are crushed for use. The organic components of the composite adhesive comprise: modified starch, soybean gum, rice soup, egg white protein, cyclodextrin, melamine formal, polyvinyl formal, starch adhesive, acrylic resin, bone glue, polyvinyl alcohol, polyacrylate, polymethyl methacrylate, waterborne epoxy resin, waterborne polyurethane, waterborne silicone resin, waterborne silicone rubber resin, waterborne asphalt and the like; the inorganic components of the composite adhesive mainly comprise: active pozzolan, silica, anhydrous magnesium sulfate, anhydrous calcium sulfate, sodium hydroxide, sodium bicarbonate, sodium carbonate, magnesium carbonate, sodium silicate, calcium bicarbonate, calcium oxide, silicates, phosphates, aluminates, cement, magnesium chloride, calcium oxide, and the like; the mildew preventive mainly comprises the following components: zinc sulfate, zinc oxide, and the like. The organic component is an adhesive, the inorganic component is a curing agent, and the ratio of the adhesive to the curing agent is 1: 1-3 when the adhesive is used, and the ratio is determined according to actual conditions. The adhesion promoter is calcium oxide, calcium hydroxide, magnesium oxide, magnesium hydroxide, sodium carbonate, sodium hydroxide, sodium silicate, etc.
In the production process, the technical indexes of the process are as follows: the pressure of the hot-press molding is 3-200 MPa; the hot-press molding heating temperature is 30-220 ℃; the curing dehydration temperature of the formed plate is 5-80 ℃.
The ecological environment-friendly assembled building wallboard has the advantages that the heating temperature, the pressurizing pressure and the curing temperature are required, and finally the surface is trimmed and polished to obtain the ecological environment-friendly assembled building wallboard.
Preferably, the ecological environment-friendly assembly type building wallboard is prepared from the following raw materials in parts by weight: 50 parts of biomass straws, 30 parts of composite adhesive, 0 part of mildew preventive and 2.5 parts of adhesion promoter;
the pressure of the hot-press forming is 3MPa, the heating temperature of the hot-press forming is 30 ℃, and the curing dehydration temperature of the formed plate is 5 ℃.
Preferably, the ecological environment-friendly assembly type building wallboard is characterized by being prepared from the following raw materials in parts by weight: 100 parts of biomass straw, 120 parts of composite adhesive, 2 parts of mildew preventive and 10 parts of adhesion promoter;
the pressure of the hot-press forming is 200MPa, the heating temperature of the hot-press forming is 220 ℃, and the curing dehydration temperature of the formed plate is 80 ℃.
Preferably, the ecological environment-friendly assembly type building wallboard is characterized by being prepared from the following raw materials in parts by weight: 80 parts of biomass straws, 60 parts of a composite adhesive, 1 part of a mildew preventive and 8 parts of an adhesion promoter;
the pressure of the hot-press forming is 100MPa, the heating temperature of the hot-press forming is 120 ℃, and the curing dehydration temperature of the formed plate is 60 ℃.
Preferably, the ecological environment-friendly assembly type building wallboard is characterized by being prepared from the following raw materials in parts by weight: the biomass particle comprises the following components of 60 crushed biomass materials, 80 composite adhesives, 0 mildew preventive and 6 adhesion promoters;
the pressure of the hot-press forming is 100MPa, the heating temperature of the hot-press forming is 120 ℃, and the curing dehydration temperature of the formed plate is 60 ℃.
The invention takes the biomass straws and the inorganic-organic composite adhesive as main raw materials, produces the ecological environment-friendly assembled building wall material under certain production process conditions, has the characteristics of light weight, high strength, flame retardance, moisture resistance and the like, also has the advantages of ecological environment protection, no release of toxic and harmful substances, easy quality control, contribution to large-scale production by the production process technology, full utilization of the waste biomass straws, low manufacturing cost, convenient construction, labor and time conservation and great reduction of cost, and can be used for decoration materials and assembled building materials. Has obvious social benefit, economic benefit and ecological benefit.
Detailed Description
Example one
An ecological environment-friendly assembled building wallboard is prepared from the following raw materials in parts by weight and a production process: 50 parts of biomass straws, 30 parts of composite adhesive, 0 part of mildew preventive and 2.5 parts of adhesion promoter.
The production process comprises the following steps: crushing biomass straws → extruding and dehydrating to extract fibers (the biomass straws with the water content not more than 25 percent are not required to be extruded) → quantitative adhesion promoter mixing uniformly → quantitative adhesive mixing uniformly → paving of blank plates → prepressing of blank plates → blank plate transportation → hot press molding → dehydrating and curing → edge cutting and sanding → stacking and packaging of finished products. The main technical indexes are as follows: the pressure of the hot-press forming is 3MPa, the heating temperature of the hot-press forming is 30 ℃, and the curing dehydration temperature of the formed plate is 5 ℃.
The performance index of the product is compared with the national primary standard of the medium density fiberboard as follows:
comparison of test results of various performance indexes of ecological environment-friendly assembled building wallboard
Example two
An ecological environment-friendly assembled building wallboard is prepared from the following raw materials in parts by weight and a production process: 100 parts of biomass straw, 120 parts of composite adhesive, 2 parts of mildew preventive and 10 parts of adhesion promoter.
The production process comprises the following steps: crushing biomass straws → extruding and dehydrating to extract fibers (the biomass straws with the water content not more than 25 percent are not required to be extruded) → quantitative adhesion promoter mixing uniformly → quantitative adhesive mixing uniformly → paving of blank plates → prepressing of blank plates → blank plate transportation → hot press molding → dehydrating and curing → edge cutting and sanding → stacking and packaging of finished products. The main technical indexes are as follows: the pressure of the hot-press forming is 200MPa, the heating temperature of the hot-press forming is 220 ℃, and the curing dehydration temperature of the formed plate is 80 ℃.
EXAMPLE III
An ecological environment-friendly assembled building wallboard is prepared from the following raw materials in parts by weight and a production process: 80 parts of biomass straws, 60 parts of a composite adhesive, 1 part of a mildew preventive and 8 parts of an adhesion promoter.
The production process comprises the following steps: crushing biomass straws → extruding and dehydrating to extract fibers (the biomass straws with the water content not more than 25 percent are not required to be extruded) → quantitative adhesion promoter mixing uniformly → quantitative adhesive mixing uniformly → paving of blank plates → prepressing of blank plates → blank plate transportation → hot press molding → dehydrating and curing → edge cutting and sanding → stacking and packaging of finished products. The main technical indexes are as follows: the pressure of the hot-press forming is 100MPa, the heating temperature of the hot-press forming is 120 ℃, and the curing dehydration temperature of the formed plate is 60 ℃.
Example four
An ecological environment-friendly assembled building wallboard is prepared from the following raw materials in parts by weight and a production process: the adhesive comprises biomass straws 60, a composite adhesive 80, a mildew preventive 0 and an adhesion-promoting medium 6.
The production process comprises the following steps: crushing fresh pineapple leaf straws → extruding and dehydrating to extract fibers (biomass straws with the water content not more than 25 percent do not need to be extruded) → quantitative adhesion promoter mixing, quantitative adhesive mixing, paving blank plates → prepressing blank plates → blank plate transportation → hot press molding → dehydrating and curing → edge cutting and sanding → finished product stacking and packaging. The main technical indexes are as follows: the pressure of the hot-press forming is 100MPa, the heating temperature of the hot-press forming is 120 ℃, and the curing dehydration temperature of the formed plate is 60 ℃.
According to the invention, the raw materials of the embodiments in parts by weight are pulverized according to the adopted process flow, then the pineapple leaves are added with the adhesion promoter, the composite adhesive and the mildew preventive, mixed and stirred uniformly, and then the mixture is filled into a mold uniformly and is pressurized and heated for rapid molding. And according to the plates with different purposes, slightly finishing the plates according to the corresponding forming heating temperature, pressure and curing dehydration temperature for a period of time to obtain the ecological environment-friendly assembly type building wallboard.
The invention meets the relevant specified requirements through industrial production and use, is superior to wood artificial boards in ecological environmental protection and various performance indexes, has excellent performance, light weight, high strength, ecological environmental protection, flame retardance, moisture resistance and the like, meets the requirements of users, and is popular among users. "Green environmental protection straw board production project" of board science and technology limited company of Henan' an is listed in Yu Ke [ 2017 ] 232 about issuing the technical guidance catalogue of energy conservation, low carbon and environmental pollution prevention and control in Henan province, and obtains the first-class award of environmental protection science and technology progress in Henan province in 2018 (certificate number Yu environmental prize [2018]02-01), and obtains the certificate of ecological green building materials product (certificate number: EBMA-1082-.
The invention provides a novel ecological environment-friendly assembled building wallboard and a wet preparation process thereof for the field of building materials, wherein biomass straws and a composite adhesive are used as main raw materials, and a proper amount of mildew preventive and adhesion promoter are matched, and the raw materials are uniformly mixed, paved and molded by compression, so that the ecological environment-friendly assembled building wallboard has the advantages of high strength, fire resistance, flame retardance, corrosion resistance, water resistance, mildew prevention, moth prevention, no release of any toxic and harmful substances, easy quality control and the like, and the waste pineapple leaves are fully utilized, thereby finding a good way for the comprehensive utilization of the pineapple leaves. The ecological environment-friendly assembled building wallboard and the wet preparation process thereof replace building materials such as calcium silicate boards, cement boards, gypsum boards and the like to prepare the assembled building walling material, and have the remarkable advantages of convenient construction, low cost and the like.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The ecological environment-friendly assembly type building wallboard is characterized by being prepared from the following raw materials in parts by weight: 50-100 parts of biomass straw, 30-120 parts of composite adhesive, 0-2 parts of mildew preventive and 2.5-10 parts of adhesion promoter;
the production process of the building wallboard comprises the following steps: crushing biomass straws → extruding and dehydrating to extract fibers → mixing quantitative adhesion promoter → mixing quantitative adhesive → paving blank plates → pre-pressing blank plates → transporting blank plates → hot press molding → dehydrating and curing → trimming and sanding → stacking and packaging finished products;
the pressure of the hot-press forming is 3-200 MPa, the heating temperature of the hot-press forming is 30-220 ℃, and the curing dehydration temperature of the formed plate is 5-80 ℃.
2. The eco-friendly fabricated building wallboard of claim 1, wherein the biomass straw having a water content of not more than 25% is not extruded.
3. The ecological environment-friendly assembly type building wallboard according to claim 1, is characterized by being prepared from the following raw materials in parts by weight: 50 parts of biomass straws, 30 parts of composite adhesive, 0 part of mildew preventive and 2.5 parts of adhesion promoter;
the pressure of the hot-press forming is 3MPa, the heating temperature of the hot-press forming is 30 ℃, and the curing dehydration temperature of the formed plate is 5 ℃.
4. The ecological environment-friendly assembly type building wallboard according to claim 1, is characterized by being prepared from the following raw materials in parts by weight: 100 parts of biomass straw, 120 parts of composite adhesive, 2 parts of mildew preventive and 10 parts of adhesion promoter;
the pressure of the hot-press forming is 200MPa, the heating temperature of the hot-press forming is 220 ℃, and the curing dehydration temperature of the formed plate is 80 ℃.
5. The ecological environment-friendly assembly type building wallboard according to claim 1, is characterized by being prepared from the following raw materials in parts by weight: 80 parts of biomass straws, 60 parts of a composite adhesive, 1 part of a mildew preventive and 8 parts of an adhesion promoter;
the pressure of the hot-press forming is 100MPa, the heating temperature of the hot-press forming is 120 ℃, and the curing dehydration temperature of the formed plate is 60 ℃.
6. The ecological environment-friendly assembly type building wallboard according to claim 1, is characterized by being prepared from the following raw materials in parts by weight: the biomass particle comprises the following components of 60 crushed biomass materials, 80 composite adhesives, 0 mildew preventive and 6 adhesion promoters;
the pressure of the hot-press forming is 100MPa, the heating temperature of the hot-press forming is 120 ℃, and the curing dehydration temperature of the formed plate is 60 ℃.
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| CN201911219980.3A CN111037701A (en) | 2019-11-28 | 2019-11-28 | Ecological environment-friendly assembled building wallboard and wet preparation process thereof |
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| CN201911219980.3A CN111037701A (en) | 2019-11-28 | 2019-11-28 | Ecological environment-friendly assembled building wallboard and wet preparation process thereof |
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| CN111518406A (en) * | 2020-04-30 | 2020-08-11 | 厦门薄饰建材科技有限公司 | Ecological organic board and production method thereof |
| CN112847727A (en) * | 2021-01-05 | 2021-05-28 | 河南省明珠木业有限公司 | Preparation method of moisture-proof and water-resistant fiberboard |
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| CN112847727A (en) * | 2021-01-05 | 2021-05-28 | 河南省明珠木业有限公司 | Preparation method of moisture-proof and water-resistant fiberboard |
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