CN114789485A - Composite pine flame-retardant plate and processing method thereof - Google Patents
Composite pine flame-retardant plate and processing method thereof Download PDFInfo
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- CN114789485A CN114789485A CN202110104169.1A CN202110104169A CN114789485A CN 114789485 A CN114789485 A CN 114789485A CN 202110104169 A CN202110104169 A CN 202110104169A CN 114789485 A CN114789485 A CN 114789485A
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- 235000008331 Pinus X rigitaeda Nutrition 0.000 title claims abstract description 171
- 235000011613 Pinus brutia Nutrition 0.000 title claims abstract description 171
- 241000018646 Pinus brutia Species 0.000 title claims abstract description 171
- 239000003063 flame retardant Substances 0.000 title claims abstract description 95
- 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 title claims abstract description 88
- 239000002131 composite material Substances 0.000 title claims abstract description 63
- 238000003672 processing method Methods 0.000 title claims abstract description 19
- 238000005520 cutting process Methods 0.000 claims abstract description 46
- 239000002023 wood Substances 0.000 claims abstract description 42
- 239000002904 solvent Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 19
- 238000002791 soaking Methods 0.000 claims abstract description 18
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 13
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000005238 degreasing Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims abstract description 6
- 238000010411 cooking Methods 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 15
- 239000000347 magnesium hydroxide Substances 0.000 claims description 12
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 10
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 10
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 10
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 10
- 229920002522 Wood fibre Polymers 0.000 claims description 5
- 239000013543 active substance Substances 0.000 claims description 5
- 238000007605 air drying Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 239000012466 permeate Substances 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 5
- 235000017550 sodium carbonate Nutrition 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 239000002025 wood fiber Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 235000005018 Pinus echinata Nutrition 0.000 description 1
- 241001236219 Pinus echinata Species 0.000 description 1
- 235000011609 Pinus massoniana Nutrition 0.000 description 1
- 241000018650 Pinus massoniana Species 0.000 description 1
- 235000017339 Pinus palustris Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/001—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G11/00—Applying adhesives or glue to surfaces of wood to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/04—Impregnating in open tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/0005—Cryogenic treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/007—Treating of wood not provided for in groups B27K1/00, B27K3/00 using pressure
- B27K5/0075—Vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a composite pine flame-retardant board and a processing method thereof, belonging to the technical field of flame-retardant board processing and comprising the following steps: s1, selecting a rotary cut pine rotary cutting plate; s2, soaking the pine rotary cutting board; s3, discharging the solution, and vacuumizing; s4, cooling the pine rotary-cut plate; s5, drying the pine wood rotary cutting board; s6, soaking the pine rotary cutting board in the S5 in a flame-retardant solvent; s7, coating glue on the pine rotary-cut board; s8, heating and laminating the pine board by using laminating equipment; and S9, obtaining the composite pine wood flame-retardant board. Through carrying out degreasing treatment to the timber of pine for the pine is when satisfying furniture production material, through the soaking of fire retardant, and zinc borate, the magnesium hydrate of adding are fire-retardant in coordination, make this fire-retardant board of compound pine's flame retardant efficiency good, and overall structure is stable, can not appear the fracture scheduling problem under the long-time use.
Description
Technical Field
The invention belongs to the technical field of flame-retardant plate processing, and particularly relates to a composite pine flame-retardant plate and a processing method thereof.
Background
As the environmental protection performance of the furniture products taking the artificial boards as the base materials is questioned by people, the solid wood furniture becomes the first choice of consumers with certain consumption capability. However, the main raw material resource for solid wood furniture is limited due to the implementation of natural forest protection engineering. Therefore, the rapid growth wood for artificial forest is vigorously developed to be used in furniture manufacture, and the development direction of solid wood furniture is the direction. Southern pine has been subject to cold fall in furniture manufacture due to its large wood variation, large drying shrinkage variation, easy deformation during drying, large knots, large fat content, easy mildew and blue stain, and the effect of surface finish. Since 1990, southern fast-growing masson pine, foreign pine, and the like have been studied, and processes such as selecting a sawn timber for furniture manufacture, degreasing, bleaching, drying, and processing furniture parts have been studied. The research shows that: as long as the pine is subjected to proper technological treatment, the pine can be completely used as a base material of furniture, and the product has the characteristics of natural and fresh color, beautiful texture, good durability, excellent surface decoration, high economic added value and the like. However, the flame retardant effect of the pine base material is not ideal, and a composite pine flame retardant board needs to be formed by combining some flame retardant materials.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a composite pine flame-retardant plate and a processing method thereof, aiming at solving the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a processing method of a composite pine wood flame-retardant plate comprises the following steps:
s1, selecting a rotary-cut pine rotary-cut board as a base material of the composite flame-retardant board;
s2, cooking the pine rotary cutting plate in a sealed tank by using the solution for pine degreasing treatment;
s3, after the soaking is finished, discharging the solution, and vacuumizing;
s4, cooling the pine rotary-cut plate, and taking out the pine rotary-cut plate from the sealed tank after cooling to normal temperature;
s5, drying the pine rotary cutting board taken out of the sealed tank for later use;
s6, preparing a flame-retardant solvent, wherein the ratio of the flame-retardant solvent to water is 1: 7, soaking the pine rotary cutting board in the S5 in a flame-retardant solvent, and cooking by adopting a cooking method until the components of the flame-retardant solvent completely permeate into the wood fibers of the pine rotary cutting board;
s7, drying the pine rotary-cut plate, coating glue on the pine rotary-cut plate, and sticking the pine rotary-cut plate into a multilayer composite pine board;
s8, heating and pressing the composite pine board by using pressing equipment, and naturally drying after pressing;
and S9, after air drying, performing wood packaging to obtain the composite pine flame-retardant board.
Further optimizing the technical scheme, in S1, the sawn timber of the pine wood after the rotary cutting is divided into three sawn timber of a thin plate, a middle plate and a thick plate, wherein the thickness of the thin plate is 20-22mm, the thickness of the middle plate is 26-30mm, and the thickness of the thick plate is more than 40 mm.
Further optimizing the technical scheme, in the S2, the cooking solution is a mixture of NaHCO3+ Na2CO3+ Ca (CIO3) + an active agent, the cooking solution is mixed according to the proportion of the pH value of 10-12, and the temperature for cooking the pine rotary cutting plate by using the solution is 75-85 ℃.
Further optimizing the technical scheme, in the step S2, the cooking time of the pine rotary cutting board by using the solution is determined according to the thickness of the sawn timber, and the cooking time of the pine rotary cutting board is 8-24 hours.
In step S3, after the solution is discharged, the pine rotary-cut board is heated by steam method and maintained at 60-80 ℃, the heating time depends on the thickness of the sawn timber, and the heating time of the pine rotary-cut board is 2-4 hours.
Further optimizing the technical scheme, in the step S5, after the pine rotary cutting board is dried, the water content of the pine rotary cutting board is kept within the range of 10-12%.
Further optimizing the technical scheme, in the step S6, the cooking temperature of the cooking method is 80-85 ℃, the cooking time is 25-35 hours, and the vacuum-pumping treatment is carried out after the cooking is finished.
Further optimizing the technical scheme, in S6, the flame retardant solvent includes ammonium dihydrogen phosphate, zinc borate, magnesium hydroxide and water, and the components are as follows in parts by weight: 8 parts of ammonium dihydrogen phosphate, 15 parts of zinc borate, 3 parts of magnesium hydroxide and the balance of water.
Further optimizing the technical scheme, in the step S9, before the wood is packaged, the composite pine flame-retardant board needs to be polished and trimmed.
The composite pine flame-retardant board is obtained by processing based on the processing method of the composite pine flame-retardant board, and pine materials of pine trees are used as base materials of the composite flame-retardant board.
Compared with the prior art, the invention provides the composite pine flame-retardant board and the processing method thereof, and the composite pine flame-retardant board has the following beneficial effects:
according to the composite pine flame-retardant plate and the processing method, the wood of the pine is degreased, so that the degreasing rate of three sawn materials including thin boards, middle boards and thick boards of the sawn pine after rotary cutting can reach more than 85%, and when the materials for furniture production are met, the added zinc borate and magnesium hydroxide are flame-retardant in a synergistic manner through soaking of the flame retardant, so that the composite pine flame-retardant plate is good in flame-retardant effect, stable in overall structure and free of cracking and other problems after long-time use.
Drawings
Fig. 1 is a schematic flow chart of a processing method of a composite pine wood flame-retardant board provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, a method for processing a composite pine wood fire retardant board includes the following steps:
s1, selecting a rotary-cut pine rotary-cut board as a base material of the composite flame-retardant board;
s2, cooking the pine rotary cutting plate in a sealed tank by using the solution for the pine degreasing treatment;
s3, after soaking, discharging the solution, and vacuumizing;
s4, cooling the pine rotary-cut plate, and taking out the pine rotary-cut plate from the sealed tank after cooling to normal temperature;
s5, drying the pine rotary cutting board taken out of the sealed tank for later use;
s6, preparing a flame-retardant solvent, wherein the ratio of the flame-retardant solvent to water is 1: 7, soaking the pine rotary cutting board in the S5 in a flame-retardant solvent, and cooking by adopting a cooking method until the components of the flame-retardant solvent completely permeate into the wood fibers of the pine rotary cutting board;
s7, drying the rotary-cut pine boards, coating glue on the rotary-cut pine boards, and sticking the rotary-cut pine boards into a multi-layer composite pine board;
s8, heating and pressing the composite pine board by using pressing equipment, and naturally drying after pressing;
and S9, after air drying, wood packaging is carried out, and the composite pine wood flame-retardant board is obtained.
Specifically, in S1, the sawn timber after the pine wood is cut by rotary cutting is divided into three kinds of sawn timber including a thin plate, a middle plate and a thick plate, wherein the thin plate has a thickness of 20-22mm, the middle plate has a thickness of 26-30mm, and the thick plate has a thickness of more than 40 mm.
Specifically, in the S2, the cooking solution is a mixture of NaHCO3+ Na2CO3+ Ca (CIO3) + active agent, the cooking solution is mixed according to the proportion of the pH value of 10-12, and the temperature for cooking the pine rotary cutting plate by using the solution is 75-85 ℃.
Specifically, in S2, the time for cooking the pine rotary-cut board by using the solution depends on the thickness of the sawn timber, and the cooking time of the pine rotary-cut board is 8-24 hours.
Specifically, in S3, after the solution is discharged, the pine spin-cut board is heated by steam method for 2-4 hours while maintaining the temperature at 60-80 ℃.
Specifically, in S5, after the pine rotary cutting board is dried, the moisture content of the pine rotary cutting board is maintained within a range of 10-12%.
Specifically, in S6, the cooking temperature of the cooking method is 80-85 ℃, the cooking time is 25-35 hours, and the vacuum-pumping treatment is carried out after the cooking is finished.
Specifically, in S6, the flame-retardant solvent includes ammonium dihydrogen phosphate, zinc borate, magnesium hydroxide, and water, and the flame-retardant solvent includes the following components in parts by weight: 8 parts of ammonium dihydrogen phosphate, 15 parts of zinc borate, 3 parts of magnesium hydroxide and the balance of water.
Specifically, in S9, before the wood is packaged, the composite pine flame retardant board needs to be polished and trimmed.
The composite pine flame-retardant board is obtained by processing based on the processing method of the composite pine flame-retardant board, and pine materials of pine trees are used as base materials of the composite flame-retardant board.
Example two:
a processing method of a composite pine wood flame-retardant board comprises the following steps:
s1, selecting a rotary-cut pine rotary-cut board as a base material of the composite flame-retardant board;
s2, cooking the pine rotary cutting plate in a sealed tank by using the solution for pine degreasing treatment;
s3, after soaking, discharging the solution, and vacuumizing;
s4, cooling the pine rotary-cut plate, and taking out the pine rotary-cut plate from the sealed tank after cooling to normal temperature;
s5, drying the pine rotary cutting board taken out of the sealed tank for later use;
s6, preparing a flame-retardant solvent, wherein the ratio of the flame-retardant solvent to water is 1: 7, soaking the pine rotary cutting board in the S5 in a flame-retardant solvent, and cooking by adopting a cooking method until the components of the flame-retardant solvent completely permeate into the wood fibers of the pine rotary cutting board;
s7, drying the rotary-cut pine boards, coating glue on the rotary-cut pine boards, and sticking the rotary-cut pine boards into a multi-layer composite pine board;
s8, heating and pressing the composite pine board by using pressing equipment, and naturally drying after pressing;
and S9, after air drying, performing wood packaging to obtain the composite pine flame-retardant board.
Specifically, in S1, the sawn timber of the pine wood after the rotary cutting is divided into three sawn timber including a thin plate, a middle plate and a thick plate, wherein the thin plate has a thickness of 20-22mm, the middle plate has a thickness of 26-30mm, and the thick plate has a thickness of more than 40 mm.
Specifically, in the S2, the cooking solution is a mixture of NaHCO3+ Na2CO3+ Ca (CIO3) + active agent, the cooking solution is mixed according to the proportion of the pH value of 10-12, and the temperature for cooking the pine rotary cutting board by using the solution is 75-85 ℃.
Specifically, in S2, the time for cooking the pine wood rotary cutting board with the solution depends on the thickness of the sawn timber, the soaking time of the thin board is 8 hours, the soaking time of the middle board is 16 hours, and the soaking time of the thick board is 24 hours.
Specifically, in S3, after the solution is discharged, the pine spin-cut board is heated by steam method and maintained at 60-80 ℃, the heating time depends on the thickness of the sawn timber, the heating time of the thin board is 2 hours, the heating time of the middle board is 3 hours, and the heating time of the thick board is 4 hours.
Specifically, in S5, after the pine rotary cutting board is dried, the moisture content of the pine rotary cutting board is maintained within a range of 10-12%.
Specifically, in S6, the cooking temperature of the cooking method is 80-85 ℃, the cooking time is 25-35 hours, and the vacuum-pumping treatment is performed after the cooking is finished.
Specifically, in S6, the flame-retardant solvent includes ammonium dihydrogen phosphate, zinc borate, magnesium hydroxide, and water, and the flame-retardant solvent includes the following components in parts by weight: 8 parts of ammonium dihydrogen phosphate, 15 parts of zinc borate, 3 parts of magnesium hydroxide and the balance of water.
Specifically, in S9, before the wood is packaged, the composite type pine wood fire-retardant board needs to be polished and trimmed.
The composite pine flame-retardant board is processed based on the processing method of the composite pine flame-retardant board, and pine materials of pine trees are used as base materials of the composite flame-retardant board.
Example three:
a processing method of a composite pine wood flame-retardant plate comprises the following steps:
s1, selecting a rotary-cut pine rotary-cut board as a base material of the composite flame-retardant board;
s2, cooking the pine rotary cutting plate in a sealed tank by using the solution for the pine degreasing treatment;
s3, after the soaking is finished, discharging the solution, and vacuumizing;
s4, cooling the pine rotary-cut plate, and taking out the pine rotary-cut plate from the sealed tank after cooling to normal temperature;
s5, drying the pine rotary cutting board taken out of the sealed tank for later use;
s6, preparing a flame-retardant solvent, wherein the ratio of the flame-retardant solvent to water is 1: 7, soaking the pine rotary cutting board in the S5 in a flame-retardant solvent, and cooking by adopting a cooking method until the components of the flame-retardant solvent completely permeate into the wood fibers of the pine rotary cutting board;
s7, drying the rotary-cut pine boards, coating glue on the rotary-cut pine boards, and sticking the rotary-cut pine boards into a multi-layer composite pine board;
s8, heating and pressing the composite pine board by using pressing equipment, and naturally drying after pressing;
and S9, after air drying, wood packaging is carried out, and the composite pine wood flame-retardant board is obtained.
Specifically, in S1, the sawn timber of the pine wood after the rotary cutting is divided into three sawn timber including a thin plate, a middle plate and a thick plate, wherein the thin plate has a thickness of 20-22mm, the middle plate has a thickness of 26-30mm, and the thick plate has a thickness of more than 40 mm.
Specifically, in the S2, the cooking solution is a mixture of NaHCO3+ Na2CO3+ Ca (CIO3) + active agent, the cooking solution is mixed according to the proportion of the pH value of 10-12, and the temperature for cooking the pine rotary cutting plate by using the solution is 75-85 ℃.
Specifically, in S2, the time for cooking the pine spin-cut board with the solution depends on the thickness of the sawn timber, and the time for cooking the pine spin-cut board is 8-24 hours.
Specifically, in S3, after the solution is discharged, the pine rotary-cut board is heated by steam method for 2-4 hours while maintaining the temperature at 60-80 ℃ according to the thickness of the sawn timber.
Specifically, in S5, after the pine rotary-cut board is dried, the moisture content of the pine rotary-cut board is kept within a range of 10 to 12%.
Specifically, in S6, the cooking temperature of the cooking method is 70-80 ℃, the cooking time is 20-30 hours, and the vacuum-pumping treatment is carried out after the cooking is finished.
Specifically, in S6, the flame retardant solvent includes ammonium dihydrogen phosphate, zinc borate, magnesium hydroxide and water, and the components are as follows in parts by weight: 10 parts of ammonium dihydrogen phosphate, 18 parts of zinc borate, 4 parts of magnesium hydroxide and the balance of water.
Specifically, in S9, before the wood is packaged, the composite pine flame retardant board needs to be polished and trimmed.
The composite pine flame-retardant board is processed based on the processing method of the composite pine flame-retardant board, and pine materials of pine trees are used as base materials of the composite flame-retardant board.
The invention has the beneficial effects that: according to the composite pine flame-retardant plate and the processing method, through degreasing treatment of the wood of the pine, the degreasing rate of three sawn materials of a rotary cut pine, namely a thin plate, a middle plate and a thick plate, can reach more than 85%, and when the wood meets the requirement of furniture production materials, the added zinc borate and magnesium hydroxide are flame-retardant in a synergistic manner through soaking of a flame retardant, so that the composite pine flame-retardant plate is good in flame-retardant effect, stable in overall structure and free of cracking and other problems after long-time use.
In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The processing method of the composite pine wood flame-retardant board is characterized by comprising the following steps:
s1, selecting a rotary-cut pine rotary-cut board as a base material of the composite flame-retardant board;
s2, cooking the pine rotary cutting plate in a sealed tank by using the solution for pine degreasing treatment;
s3, after the soaking is finished, discharging the solution, and vacuumizing;
s4, cooling the pine rotary-cut plate, and taking out the pine rotary-cut plate from the sealed tank after cooling to normal temperature;
s5, drying the pine rotary cutting board taken out of the sealed tank for later use;
s6, preparing a flame-retardant solvent, wherein the ratio of the flame-retardant solvent to water is 1: 7, soaking the pine rotary cutting board in the S5 in a flame-retardant solvent, and cooking by adopting a cooking method until the components of the flame-retardant solvent completely permeate into the wood fibers of the pine rotary cutting board;
s7, drying the rotary-cut pine boards, coating glue on the rotary-cut pine boards, and sticking the rotary-cut pine boards into a multi-layer composite pine board;
s8, heating and pressing the composite pine board by using pressing equipment, and naturally drying after pressing;
and S9, after air drying, performing wood packaging to obtain the composite pine flame-retardant board.
2. The method for processing the composite pine wood flame-retardant board according to claim 1, wherein in the step S1, sawn timber of the pine wood after rotary cutting is divided into three sawn timber of a thin board, a middle board and a thick board, wherein the thickness of the thin board is 20-22mm, the thickness of the middle board is 26-30mm, and the thickness of the thick board is more than 40 mm.
3. The method for processing the composite pine wood fire retardant board according to claim 1, wherein in the S2, the cooking solution is a mixture of NaHCO3+ Na2CO3+ Ca (CIO3) + active agent, the cooking solution is mixed according to the proportion of the pH value of 10-12, and the temperature for cooking the pine wood rotary cutting board by using the solution is 75-85 ℃.
4. The method as claimed in claim 1, wherein in step S2, the time for cooking the pine wood rotary cutting board with the solution depends on the thickness of the sawn timber, and the cooking time for the pine wood rotary cutting board is 8-24 hours.
5. The method as claimed in claim 1, wherein the pine rotary cut board is heated by steam for 2-4 hours according to the thickness of the sawn timber and maintained at 60-80 ℃ after the solution is discharged at step S3.
6. The method as claimed in claim 1, wherein in S5, the moisture content of the pine rotary-cut board is maintained within 10-12% after the pine rotary-cut board is dried.
7. The method for processing the composite pine wood flame-retardant board according to claim 1, wherein in the step S6, the cooking temperature is 80-85 ℃, the cooking time is 25-35 hours, and the vacuum-pumping treatment is performed after the cooking is completed.
8. The processing method of the composite pine wood flame-retardant board as claimed in claim 1, wherein in the step S6, the flame-retardant solvent comprises ammonium dihydrogen phosphate, zinc borate, magnesium hydroxide and water, and the components are as follows in parts by weight: 8 parts of ammonium dihydrogen phosphate, 15 parts of zinc borate, 3 parts of magnesium hydroxide and the balance of water.
9. The method as claimed in claim 1, wherein in step S9, the composite pine wood fire-retardant board is polished and trimmed before being packaged.
10. The composite pine flame-retardant board is processed based on the processing method of the composite pine flame-retardant board disclosed by claims 1-9, and is characterized in that pine materials of pine trees are used as base materials of the composite flame-retardant board.
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