CN110228118B - Manufacturing process of environment-friendly wooden door - Google Patents
Manufacturing process of environment-friendly wooden door Download PDFInfo
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- CN110228118B CN110228118B CN201910443750.9A CN201910443750A CN110228118B CN 110228118 B CN110228118 B CN 110228118B CN 201910443750 A CN201910443750 A CN 201910443750A CN 110228118 B CN110228118 B CN 110228118B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/06—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by burning or charring, e.g. cutting with hot wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/18—Manufacture or reconditioning of specific semi-finished or finished articles of furniture or of doors
-
- 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
-
- 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
-
- 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
- B27N3/10—Moulding of mats
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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
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
-
- 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
- B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
- B27N7/005—Coating boards, e.g. with a finishing or decorating layer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Special Wing (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention provides a manufacturing process of an environment-friendly wooden door, which comprises the following steps: the environment-friendly wooden door takes waste wood chips, waste paper chips and diatomite as door core materials, the door core is manufactured after mixing, pressing and rapid surface carbonization, a steel fiber net layer is laid on the surface of the door core to serve as a support, and a strengthening layer is sprayed to reinforce the door core; the method specifically comprises the following steps: s1: preparing materials; s2: sizing and forming: mixing the binder, the flame retardant, the preservative and the powdery raw materials, and pressing and molding; the adhesive consists of 36-50% of silicone-acrylate emulsion, 26-30% of portland cement, 4-7% of oxidized starch, 3-5% of polyvinyl alcohol, 1-2% of silane coupling agent and 16-20% of water; s3: curing and shaping; s4: rapid surface carbonization; s5: laying a steel fiber net layer; s6: and (5) reinforcing. The environment-friendly wood door is manufactured by taking the waste wood chips, the waste paper chips and the like as main raw materials of the door core for the first time, and the diatomite is matched to improve the strength of the door core, so that the raw materials are easy to obtain, the cost is low, the waste is changed into valuable, the environment is protected, and the resource utilization of waste biomass is realized.
Description
Technical Field
The invention belongs to the technical field of wooden door forming and processing, and particularly relates to a manufacturing process of an environment-friendly wooden door.
Background
The wooden door is a furniture door made of natural logs or solid wood integrated plates and other woods, and the woods can be divided into beech, walnut, teak, maple, oak, heaven tree, water ash, elm, poplar, pine and the like, wherein the beech, teak and heaven tree are the most famous and precious. The wooden door is scientifically processed by the procedures of drying, blanking, planing, tenoning, drilling, high-speed milling, assembling, polishing, painting and the like, has the characteristics of no deformation, no crack and the like, and has certain corrosion resistance, heat insulation and heat preservation performance.
During the manufacturing process of wood furniture (such as wood doors, wood beds and solid wood dining tables), a large amount of wood chips are generated, the wood chips are mostly used as biomass fuel to be combusted, dense smoke and fly ash particles are released during incineration, and particularly under the condition of insufficient combustion, the dense smoke and the fly ash have extremely high concentration, so that the air pollution degree is increased. Therefore, research on a novel green biomass waste resource utilization method is an urgent problem to be solved, and has important significance for improving air quality.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a process for manufacturing an environment-friendly wooden door, the process takes waste wood chips, waste paper chips and diatomite as door core materials, the door core is manufactured after mixing, pressing and rapid surface carbonization, a steel fiber net layer is laid on the surface of the door core as a support, and a strengthening layer is sprayed to reinforce the door core, so that the environment-friendly wooden door which is light, flame-retardant, heat-insulating, antifouling and capable of purifying indoor air is manufactured.
The technical scheme of the invention is summarized as follows:
the manufacturing process of the environment-friendly wooden door specifically comprises the following steps:
s1: preparing materials: drying the waste wood chips, the waste paper chips and the diatomite for 6 hours at the temperature of 80-100 ℃, firstly placing the waste wood chips and the waste paper chips in a crusher for shearing and crushing, then mixing with the diatomite, and fully grinding in a ball mill to obtain a powdery raw material;
s2: sizing and forming: according to the formula (30-40): (0.5-1): (1-2): mixing 100 weight percent of binder, flame retardant, preservative and powdery raw materials, stirring uniformly, adding into a die, and pressing and molding;
the adhesive comprises the following components in percentage by weight: 36-50% of silicone-acrylic emulsion, 26-30% of portland cement, 4-7% of oxidized starch, 3-5% of polyvinyl alcohol, 1-2% of a silane coupling agent and 16-20% of water;
s3: curing and shaping: drying and curing at the temperature of 100 ℃ and 120 ℃ for 8-12h to form the door core, and naturally curing for 3-7d at room temperature to obtain the door core with the specification: height 2.0m, width 0.85m, thickness 0.20 m;
s4: quick surface carbonization: carrying out rapid surface carbonization treatment on the door core by using high-temperature flame jetted by an oxygen welding gun, controlling the temperature of the flame to be 300-350 ℃, and controlling the time for burning the contact surface by the flame to be 3-4 s;
s5: laying a steel fiber net layer: laying and installing a steel fiber net on the surface of the carbonized door core to serve as a wood door support frame, wherein the mesh specification of the steel fiber net is (5-10) mum multiplied by (5-10) mum;
s6: reinforcement and strengthening: according to the following steps: (0.1-0.3): (0.005-0.01): (0.003-0.005) mixing epoxy phenolic resin, polytetrafluoroethylene, cold catalyst and nano-silver-loaded tourmaline powder according to the mass ratio, uniformly spraying the mixture onto the steel fiber mesh layer on the surface of the door core, wherein the spraying thickness is 1.6-2.4cm, reinforcing the mixture as an outer reinforcing layer of the wood door, and drying the wood door at 80 ℃ to prepare the environment-friendly wood door.
Preferably, the weight ratio of the waste wood chips, the waste paper chips and the diatomite is 1: (0.1-0.3): (0.05-0.2).
Preferably, the flame retardant comprises one or more of ammonium polyphosphate, magnesium borate, aluminum hydroxide, tributyl phosphate, and (2-ethylhexyl) -diphenyl phosphate.
Preferably, the preservative comprises one or more of copper ammonolyalkylamine, copper dimethyldithiocarbamate and nano-copper oxide.
The invention has the beneficial effects that:
(1) according to the environment-friendly wood door, the powdery raw material particles are mutually crosslinked by using the binder, and the waterproof performance and the mechanical strength of the door core are effectively improved by using the silicone-acrylic emulsion and the portland cement in the binder; the lignin on the surface of the door core is rapidly carbonized by 300-350 ℃ high-temperature flame, so that the water-absorbing functional groups in the cellulose are destroyed or recombined, the waterproof performance of the wood door is further improved, and meanwhile, the lignin is quickly carbonized by 300-350 ℃ high-temperature flameThe decomposition of the nutrient components on the surface of the door core also ensures that the door core has good corrosion resistance and insect resistance, and in addition, micropores generated in the carbonization process have the adsorption effect on pollutants in indoor air, thereby improving the air quality; the steel fiber net layer is used as a supporting surface, the mesh specification of the steel fiber net is (5-10) mum multiplied by (5-10) mum, the structural strength of the environment-friendly wood door is improved, and the service life is prolonged; finally, reinforcing and reinforcing layer coating compounded by epoxy phenolic resin, polytetrafluoroethylene, cold catalyst and nano-silver loaded tourmaline powder is utilized for reinforcing, the epoxy phenolic resin endows the environment-friendly wooden door with good high-temperature resistance, fire resistance and flame retardance, the polytetrafluoroethylene has self-lubricating property, the surface friction coefficient of the environment-friendly wooden door is reduced, the surface of the environment-friendly wooden door has certain non-adhesiveness and antifouling property, and the cold catalyst and the nano-silver loaded tourmaline powder can oxidize and decompose harmful gases such as formaldehyde, benzene, xylene, toluene, TVOC and the like in the air under indoor conditions and convert the harmful gases into CO2And H2O, and release negative ions, do not need to have catalytic performance like a photocatalyst under a specific illumination condition or temperature, are more suitable for the purification of indoor air, and provide a green and healthy home environment for residents.
(2) The environment-friendly wood door is manufactured by taking the waste wood chips, the waste paper chips and the like as main raw materials of the door core for the first time, and the diatomite is matched to improve the strength of the door core, so that the raw materials are easy to obtain, the cost is low, the waste is changed into valuable, the environment is protected, and the resource utilization of waste biomass is realized.
Drawings
FIG. 1 is a process flow diagram for manufacturing the environment-friendly wood door of the invention.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
Example 1
The environment-friendly wooden door is characterized in that waste wood chips, waste paper chips and diatomite are used as door core materials, the door core is manufactured after mixing, pressing and rapid surface carbonization, a steel fiber net layer is laid on the surface of the door core to serve as a support, and a strengthening layer is sprayed to reinforce the door core; the method specifically comprises the following steps:
s1: preparing materials: drying the waste wood chips, the waste paper chips and the diatomite for 6 hours at the temperature of 80 ℃, wherein the weight ratio of the waste wood chips to the waste paper chips to the diatomite is 1: 0.1: 0.05, placing the waste wood chips and the waste paper chips in a crusher for shearing and crushing, mixing with diatomite, and fully grinding in a ball mill to obtain powdery raw materials;
s2: sizing and forming: according to the weight ratio of 30: 0.5: 1: mixing 100 weight parts of binder, ammonium polyphosphate, ammonia-soluble alkylamine copper and powdery raw materials, uniformly stirring, adding into a die, and pressing and molding;
the adhesive comprises the following components in percentage by weight: 50% of silicone-acrylic emulsion, 26% of Portland cement, 4% of oxidized starch, 3% of polyvinyl alcohol, 1% of silane coupling agent and 16% of water;
s3: curing and shaping: drying and curing at 100 ℃ for 8h to form the door core, and naturally curing for 3d at room temperature to obtain the door core with the specification: height 2.0m, width 0.85m, thickness 0.20 m;
s4: quick surface carbonization: carrying out rapid surface carbonization treatment on the door core by using high-temperature flame jetted by an oxygen welding gun, controlling the temperature of the flame to be 300 ℃, and controlling the time for burning the contact surface by the flame to be 3 s;
s5: laying a steel fiber net layer: laying and installing a steel fiber net on the surface of the carbonized door core to serve as a wood door support frame, wherein the mesh specification of the steel fiber net is 5 microns multiplied by 5 microns;
s6: reinforcement and strengthening: according to the following steps: 0.1: 0.005: mixing epoxy phenolic resin, polytetrafluoroethylene, cold catalyst and nano-silver loaded tourmaline powder in a mass ratio of 0.003, uniformly spraying the mixture onto a steel fiber net layer on the surface of the door core, wherein the spraying thickness is 1.6cm, reinforcing the mixture as an outer reinforcing layer of the wooden door, and drying the wooden door at 80 ℃ to prepare the environment-friendly wooden door.
Example 2
The environment-friendly wooden door is characterized in that waste wood chips, waste paper chips and diatomite are used as door core materials, the door core is manufactured after mixing, pressing and rapid surface carbonization, a steel fiber net layer is laid on the surface of the door core to serve as a support, and a strengthening layer is sprayed to reinforce the door core; the method specifically comprises the following steps:
s1: preparing materials: drying the waste wood chips, the waste paper chips and the diatomite for 6 hours at 90 ℃, wherein the weight ratio of the waste wood chips to the waste paper chips to the diatomite is 1: 0.2: 0.13, placing the waste wood chips and the waste paper chips in a crusher for shearing and crushing, mixing with diatomite, and fully grinding in a ball mill to obtain powdery raw materials;
s2: sizing and forming: according to 35: 0.75: 1.5: mixing 100 weight parts of binder, magnesium borate, copper dimethyldithiocarbamate and powdery raw materials, uniformly stirring, adding into a mold, and pressing and molding;
the adhesive comprises the following components in percentage by weight: 43% of silicone-acrylic emulsion, 28% of Portland cement, 5.5% of oxidized starch, 4% of polyvinyl alcohol, 1.5% of silane coupling agent and 18% of water;
s3: curing and shaping: drying and curing at 110 ℃ for 10h to form the door core, and naturally curing for 5d at room temperature to obtain the door core with the specification: height 2.0m, width 0.85m, thickness 0.20 m;
s4: quick surface carbonization: carrying out rapid surface carbonization treatment on the door core by using high-temperature flame jetted by an oxygen welding gun, controlling the temperature of the flame to be 325 ℃, and controlling the time for burning the contact surface by the flame to be 3.5 s;
s5: laying a steel fiber net layer: laying and installing a steel fiber net on the surface of the carbonized door core to serve as a wood door support frame, wherein the mesh specification of the steel fiber net is 8 microns multiplied by 8 microns;
s6: reinforcement and strengthening: according to the following steps: 0.2: 0.008: 0.004 wt% of epoxy phenolic resin, polytetrafluoroethylene, cold catalyst and nano-silver loaded tourmaline powder (the nano-silver loading is 0.8%) are mixed, and the mixture is uniformly sprayed on the steel fiber net layer on the surface of the door core, the spraying thickness is 2.0cm, the mixture is used as an external strengthening layer of the wooden door to be reinforced, and the wooden door is dried at 80 ℃ to prepare the environment-friendly wooden door.
Example 3
The environment-friendly wooden door is characterized in that waste wood chips, waste paper chips and diatomite are used as door core materials, the door core is manufactured after mixing, pressing and rapid surface carbonization, a steel fiber net layer is laid on the surface of the door core to serve as a support, and a strengthening layer is sprayed to reinforce the door core; the method specifically comprises the following steps:
s1: preparing materials: drying the waste wood chips, the waste paper chips and the diatomite for 6 hours at the temperature of 100 ℃, wherein the weight ratio of the waste wood chips to the waste paper chips to the diatomite is 1: 0.3: 0.2, placing the waste wood chips and the waste paper chips in a crusher for shearing and crushing, mixing with diatomite, and fully grinding in a ball mill to obtain powdery raw materials;
s2: sizing and forming: according to the following steps of 40: 1: 2: mixing 100 weight parts of binder, 2-ethylhexyl diphenyl phosphate, nano copper oxide and powdery raw materials, stirring uniformly, adding into a mould, and pressing and molding;
the adhesive comprises the following components in percentage by weight: 36% of silicone-acrylic emulsion, 30% of Portland cement, 7% of oxidized starch, 5% of polyvinyl alcohol, 2% of silane coupling agent and 20% of water;
s3: curing and shaping: drying and curing at 120 ℃ for 12h to form the door core, and naturally curing at room temperature for 7d to obtain the door core with the specification: height 2.0m, width 0.85m, thickness 0.20 m;
s4: quick surface carbonization: carrying out rapid surface carbonization treatment on the door core by using high-temperature flame jetted by an oxygen welding gun, controlling the temperature of the flame to be 350 ℃, and controlling the time for burning the contact surface by the flame to be 4 s;
s5: laying a steel fiber net layer: laying and installing a steel fiber net on the surface of the carbonized door core to serve as a wood door support frame, wherein the mesh specification of the steel fiber net is 10 microns multiplied by 10 microns;
s6: reinforcement and strengthening: according to the following steps: 0.3: 0.01: 0.005 percent by mass of epoxy phenolic resin, polytetrafluoroethylene, cold catalyst and nano-silver loaded tourmaline powder (the nano-silver loading is 0.8 percent), and the mixture is uniformly sprayed on the steel fiber net layer on the surface of the door core, the spraying thickness is 2.4cm, and the mixture is used as an outer strengthening layer of the wooden door to be reinforced and dried at 80 ℃ to prepare the environment-friendly wooden door.
The performance tests of examples 1-3 were performed and the test results are shown in Table 1:
table 1:
| example 1 | Example 2 | Example 3 | |
| Density/kg/m3 | 515 | 524 | 528 |
| Humidity/%) | 6.2 | 5.5 | 5.7 |
| Compressive strength/MPa | 73 | 76 | 78 |
| Tensile strength/MPa | 98 | 102 | 101 |
| Modulus of elasticity/MPa | 1560 | 1730 | 1680 |
| Thermal conductivity/W/(m.K) | 0.020 | 0.021 | 0.021 |
| Flame retardant rating | Class A | Class A | Class A |
As can be seen from Table 1, the environment-friendly wood door disclosed by the invention has the properties of light weight, flame retardance, fire resistance, heat preservation and heat insulation, and has higher mechanical strength.
While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications may readily be effected by those skilled in the art, so that the invention is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.
Claims (4)
1. The manufacturing process of the environment-friendly wooden door is characterized by comprising the following steps of: the environment-friendly wooden door takes waste wood chips, waste paper chips and diatomite as door core materials, the door core is manufactured after mixing, pressing and rapid surface carbonization, a steel fiber net layer is laid on the surface of the door core to serve as a support, and a strengthening layer is sprayed to reinforce the door core; the method specifically comprises the following steps:
s1: preparing materials: drying the waste wood chips, the waste paper chips and the diatomite for 6 hours at the temperature of 80-100 ℃, firstly placing the waste wood chips and the waste paper chips in a crusher for shearing and crushing, then mixing with the diatomite, and fully grinding in a ball mill to obtain a powdery raw material;
s2: sizing and forming: according to the formula (30-40): (0.5-1): (1-2): mixing 100 weight percent of binder, flame retardant, preservative and powdery raw materials, stirring uniformly, adding into a die, and pressing and molding;
the adhesive comprises the following components in percentage by weight: 36-50% of silicone-acrylic emulsion, 26-30% of portland cement, 4-7% of oxidized starch, 3-5% of polyvinyl alcohol, 1-2% of a silane coupling agent and 16-20% of water;
s3: curing and shaping: drying and curing at the temperature of 100 ℃ and 120 ℃ for 8-12h to form the door core, and naturally curing for 3-7d at room temperature to obtain the door core with the specification: height 2.0m, width 0.85m, thickness 0.20 m;
s4: quick surface carbonization: carrying out rapid surface carbonization treatment on the door core by using high-temperature flame jetted by an oxygen welding gun, controlling the temperature of the flame to be 300-350 ℃, and controlling the time for burning the contact surface by the flame to be 3-4 s;
s5: laying a steel fiber net layer: laying and installing a steel fiber net on the surface of the carbonized door core to serve as a wood door support frame, wherein the mesh specification of the steel fiber net is (5-10) mum multiplied by (5-10) mum;
s6: reinforcement and strengthening: according to the following steps: (0.1-0.3): (0.005-0.01): (0.003-0.005) mixing epoxy phenolic resin, polytetrafluoroethylene, cold catalyst and nano-silver-loaded tourmaline powder according to the mass ratio, uniformly spraying the mixture onto the steel fiber mesh layer on the surface of the door core, wherein the spraying thickness is 1.6-2.4cm, reinforcing the mixture as an outer reinforcing layer of the wood door, and drying the wood door at 80 ℃ to prepare the environment-friendly wood door.
2. The manufacturing process of the environment-friendly wood door according to claim 1, wherein the weight ratio of the waste wood chips, the waste paper chips and the diatomite is 1: (0.1-0.3): (0.05-0.2).
3. The manufacturing process of the environment-friendly wood door according to claim 1, wherein the flame retardant comprises one or more of ammonium polyphosphate, magnesium borate, aluminum hydroxide, tributyl phosphate and (2-ethylhexyl) -diphenyl phosphate.
4. The manufacturing process of the environment-friendly wood door as claimed in claim 1, wherein the corrosion inhibitor comprises one or more of copper alkyl amine ammonia solution, copper dimethyl dithiocarbamate and nano copper oxide.
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