CN114905597A - Method for rapidly preparing inorganic shaving board - Google Patents
Method for rapidly preparing inorganic shaving board Download PDFInfo
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- CN114905597A CN114905597A CN202210506668.8A CN202210506668A CN114905597A CN 114905597 A CN114905597 A CN 114905597A CN 202210506668 A CN202210506668 A CN 202210506668A CN 114905597 A CN114905597 A CN 114905597A
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- wood shavings
- inorganic
- plate blank
- coagulant
- hot pressing
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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
- B27N3/10—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
- 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
-
- 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
- B27K1/00—Damping wood
-
- 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
- B27N1/00—Pretreatment of moulding 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
- B27N3/002—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
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- 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
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention provides a method for rapidly preparing an inorganic shaving board, and relates to the technical field of wood-based composite material production. The preparation method of the product provided by the invention mainly comprises the following steps: (1) mixing a coagulant with water to obtain a coagulant solution; (2) pre-mixing the dried wood shavings with an environment-friendly adhesive, and adding a coagulant solution and water to adjust the water content of the wood shavings to obtain wet wood shavings; (3) paving the wet wood shavings in a layering way, and prepressing to obtain a prepressing plate blank; (4) feeding the pre-pressed plate blank into a press, and forming the plate blank through a hot pressing-cold pressing process to obtain a formed plate blank; (5) and (3) placing the formed plate blank in a hollow shady place for standing to obtain the rapidly prepared inorganic shaving board. Compared with the traditional inorganic board, the time required by the process flow of the board prepared by the invention is shorter, and the board has better mechanical property, thereby providing a new technical scheme for producing the inorganic shaving board.
Description
Technical Field
The invention relates to the technical field of wood-based composite material production, and particularly provides a method for quickly preparing an inorganic shaving board.
Background
The production of inorganic shaving boards at the present stage usually adopts a hot pressing process or a cold pressing process, the production period of the inorganic shaving boards is longer due to the characteristics of the inorganic adhesives, and although the boards have higher performance, the development of the inorganic shaving board industry is restricted due to the limitation of the longer production period. Therefore, the market urgently needs a method for quickly preparing the inorganic shaving board, so that the product performance is improved, the production cost is reduced, a new production process is brought to enterprises, and the method has important significance for the development of the inorganic shaving board industry.
Disclosure of Invention
The invention aims to solve the problems that the production cycle of an inorganic shaving board is long and the product yield is seriously restricted by the existing production process, and provides a method for quickly preparing the inorganic shaving board.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method for rapidly preparing an inorganic particle board comprises the following steps:
(1) mixing a coagulant with water to obtain a coagulant solution;
(2) pre-mixing the dried wood shavings with an environment-friendly adhesive, and adding a coagulant solution and water to adjust the water content of the wood shavings to obtain wet wood shavings;
(3) paving and prepressing the wet wood shavings layer by using a paving frame to obtain a prepressing plate blank;
(4) feeding the pre-pressed plate blank into a press, and forming the plate blank through a hot pressing-cold pressing process to obtain a formed plate blank;
(5) placing the formed plate blank in a hollow place with a back and standing to obtain the rapidly prepared inorganic shaving board;
the coagulant in the step (1) is ferrous sulfate (FeSO) 4 ) Or calcium sulfate (CaSO) 4 ) Or aluminum hydroxide (Al (OH) 3 ) One or more of them.
Preferably, the mass ratio of the coagulant to the water in the step (1) is (1.0-3.5): (96.5-99).
Preferably, the water content of the dried wood shavings in the step (2) is 6.0% -8.5%; the mass ratio of the coagulant contained in the dried wood shavings, the environment-friendly adhesive and the coagulant solution is (45-58): (42-55): 1-3); the moisture content of the wet wood shavings is 16-28%; the environment-friendly adhesive comprises a magnesium oxide inorganic adhesive and/or a sulfate inorganic adhesive.
Preferably, the total thickness paved in the step (3) is 180 mm; the pressure required by the pre-pressing is 0.3-0.4 MPa.
Preferably, the temperature of the hot pressing section of the hot pressing-cold pressing process in the step (4) is 195-225 ℃, the cooling amplitude of hot pressing and cold pressing is 50-100 ℃, the total time consumed by hot pressing and cold pressing is 360s, and the pressure is 2.5-3.5 MPa.
Preferably, the standing place in the step (5) is a shady place, the air humidity is 15-40%, and the air temperature is 10-27 ℃; the water content of the final product of the rapidly prepared inorganic shaving board is 7.5-9.5%.
The invention provides the rapidly prepared inorganic shaving board prepared by the method in the scheme.
The invention also provides application of the rapidly prepared inorganic shaving board in wood-based composite materials.
The invention has the advantages that: compared with the traditional inorganic shaving board, the time required by the process flow for preparing the inorganic shaving board is shorter, and the inorganic shaving board has better mechanical property.
Detailed Description
The invention is further described below.
The invention provides a method for rapidly preparing an inorganic shaving board, which comprises the following steps:
(1) mixing a coagulant with water to obtain a coagulant solution;
(2) pre-mixing the dried wood shavings with an environment-friendly adhesive, and adding a coagulant solution and water to adjust the water content of the wood shavings to obtain wet wood shavings;
(3) paving and prepressing the wet wood shavings layer by using a paving frame to obtain a preformed plate blank;
(4) feeding the preformed plate blank into a press, and forming the preformed plate blank through a hot pressing-cold pressing process to obtain a formed plate blank;
(5) and (3) placing the formed plate blank in a spacious shady place for standing to obtain the rapidly prepared inorganic shaving board.
The present invention mixes a coagulant with water to obtain a coagulant solution. The coagulant used in the invention is mainly ferrous sulfate (FeSO) 4 ) Or calcium sulfate (CaSO) 4 ) Or aluminum hydroxide (Al (OH) 3 ) More preferably ferrous sulfate or aluminum hydroxide; when ferrous sulfate and calcium sulfate are used as the coagulant, sulfate ions contained in the coagulant participate in the hydration reaction of the adhesive, so that the hydration reaction efficiency of magnesium oxide is improved; when aluminum hydroxide is used as the accelerator, Al contained therein 3+ The ions react with the inorganic adhesive in the hot-pressing process of the plate, the unreacted components are consumed, the aluminum gel generated by the ions fills the pores of the plate system, the invention has no special requirement on the sources of the ferrous sulfate and the aluminum hydroxide, the current commercial products can be selected to be used in the invention, and the coagulant is the substance contained in the coagulant solution; in the invention, the water is only pure water, and the purity of the water is not required; the mass ratio of the coagulant to the water is (1.0-3.5) to (96.5-99.0). The concrete mode of mixing the coagulant with water is not particularly described, and the coagulant is mixed with the water by adopting a conventional method, and the coagulant is dissolved in the water. In the invention, the coagulant is used for accelerating the curing reaction speed of the environment-friendly adhesive and shortening the time required by the process flow.
According to the invention, after the dried wood shavings are premixed with water, the coagulant solution and the environment-friendly adhesive are added, so that the wood shavings are not easy to agglomerate and cake, and the obtained wet wood shavings are relatively uniform. In the present invention, the dried wood shavings preferably include pine wood shavings and poplar wood shavings, and more preferably camphor pine wood shavings. In the invention, the dried wood shavings are preferably prepared by crushing pinus sylvestris wood; the present invention has no particular requirements for the method of pulverization processing. The water content of the dried wood shavings is adjusted to 6.0-8.5%; the method for adjusting the water content of the dried wood shavings has no specific description, and the wood shavings are adjusted to the required water content by adopting the existing common method in the field. In the invention, the mass ratio of the dried wood shavings to the environment-friendly adhesive and the coagulant is (45-58): (42-55): 1-3, and the preferable ratio is more; (45 to 56), (44 to 55), (1 to 3); the moisture content of the wet wood shavings is 16-28%, and more preferably 18-26%.
After the wet wood shavings are obtained, the wet wood shavings are paved and pre-pressed in a layered mode to obtain a formed plate blank; the total thickness of the layered pavement is 180 mm; the pre-pressing pressure is 0.3-0.4 MPa, and more preferably 0.35 MPa; the method has no special requirement on equipment adopted for prepressing, and the obtained prepressed slab is ensured not to scatter in the conveying process.
The method comprises the steps of feeding a pre-pressed plate blank into a press, and forming the pre-pressed plate blank through a hot pressing-cold pressing process to obtain a formed plate blank; the temperature of the hot pressing section of the hot pressing-cold pressing process is 195-225 ℃, the temperature reduction range of hot pressing and cold pressing is 50-100 ℃, the total time consumed by the hot pressing and the cold pressing is 360 seconds, and the pressure is 2.5-3.5 MPa. In the invention, the hot pressing and the cold pressing meet the required requirements through a universal press; the invention has no special requirements on the universal press manufacturers, ensures that the process requirements can be met and ensures that the breadth of the pressing plate is smooth and is not damaged; and carrying out hot pressing-cold pressing on the paved wet wood shavings to obtain a molded plate blank.
After the formed plate blank is obtained, the formed plate blank is placed in a hollow shady place to be stood, and the rapidly prepared inorganic shaving board is obtained. The standing place is a shady place, the air humidity is 15-40%, and the air temperature is 10-27 ℃; the water content of the final product of the rapidly prepared inorganic shaving board is 7.5-9.5%.
The following description will specifically describe the production method and application of the rapid-manufacturing inorganic particle board provided by the present invention with reference to specific examples, but they should not be construed as limiting the scope of the present invention.
Example 1
(1) Processing pine wood segments into wood shavings, and drying the wood shavings until the moisture content is 6.5%;
(2) uniformly mixing ferrous sulfate and water according to the mass ratio of 1:99 to prepare a coagulant solution, and taking care to use the coagulant solution at the moment;
(3) weighing the dried wood shavings, adding the wood shavings and the environment-friendly adhesive into a glue mixer together for mixing the materials, pausing the machine to open a feeding port after stirring for 360 seconds, starting the glue mixer again after adding water and a coagulant solution, and stirring the materials until all components are uniformly mixed to obtain wet wood shavings; wherein the mass ratio of the coagulant contained in the dried wood shavings, the environment-friendly adhesive and the coagulant solution is 45:55: 3; the water content of the obtained wet wood shavings is 16%; the raw materials adopted by the environment-friendly adhesive are light-burned magnesium oxide and magnesium sulfate heptahydrate, and the ratio of the light-burned magnesium oxide to the magnesium sulfate heptahydrate is 2: 1;
(4) after the wet wood shavings are obtained, the wet wood shavings are paved in a layering way and pre-pressed to obtain a pre-pressed plate blank; the total thickness of the layered pavement is 180 mm; the pre-pressing pressure is 0.35 MPa;
(5) feeding the pre-pressed plate blank into a press, and forming the pre-pressed plate blank through a hot pressing-cold pressing process to obtain a formed plate blank; the temperature of a hot pressing section of the hot pressing-cold pressing process is 195 ℃, the temperature reduction range of hot pressing and cold pressing is 50 ℃, the total time consumed by the hot pressing and the cold pressing is 360s, and the pressure is 2.5 MPa;
(6) after a formed plate blank is obtained, placing the formed plate blank in a hollow shady place for standing to obtain the rapidly prepared inorganic shaving board; the standing place is a shady place, the air humidity is 20 percent, and the air temperature is 17 ℃; the water content of the final product of the rapidly prepared inorganic shaving board is 7.5%.
Comparative example 1
Commercially available particle board grade P2 was purchased as comparative example 1, and example 1 and comparative example 1 were tested for performance with reference to the national standard "particle board" and the results are shown in table 1:
example 2
(1) Processing pine wood segments into wood shavings, and drying the wood shavings until the moisture content is 6%;
(2) uniformly mixing aluminum hydroxide and water according to the mass ratio of 3.5:96 to prepare a coagulant solution, and taking care to use the coagulant solution immediately after preparation;
(3) weighing the dried wood shavings, adding the wood shavings and the environment-friendly adhesive into a glue mixer together for mixing the materials, pausing the machine to open a feeding port after stirring for 360 seconds, starting the glue mixer again after adding water and a coagulant solution, and stirring the materials until all components are uniformly mixed to obtain wet wood shavings; wherein the mass ratio of the dried wood shavings to the coagulant contained in the environment-friendly adhesive and the coagulant solution is 56:44: 1; the water content of the obtained wet wood shavings is 26%; the raw materials adopted by the environment-friendly adhesive are heavy magnesium oxide and magnesium sulfate heptahydrate which are prepared according to the proportion of 2: 1;
(4) after the wet wood shavings are obtained, the wet wood shavings are paved in a layering way and pre-pressed to obtain a pre-pressed plate blank; the total thickness of layered pavement is 180 mm; the pre-pressing pressure is 0.3 MPa;
(5) feeding the pre-pressed plate blank into a press, and forming the pre-pressed plate blank through a hot pressing-cold pressing process to obtain a formed plate blank; the temperature of a hot pressing section of the hot pressing-cold pressing process is 210 ℃, the temperature reduction range of hot pressing and cold pressing is 80 ℃, the total time consumed by the hot pressing and the cold pressing is 360s, and the pressure is 3.0 MPa;
(6) after a formed plate blank is obtained, the formed plate blank is placed in a vacant shady place to be stood to obtain the rapidly prepared inorganic shaving board; the standing place is a shady place, the air humidity is 15 percent, and the air temperature is 27 ℃; the water content of the final product of the rapidly prepared inorganic shaving board is 8%.
Comparative example 2
Commercially available particle board grade P2 was purchased as comparative example 2, and example 2 and comparative example 2 were tested for performance with reference to the national standard "particle board" and the results are shown in table 2:
example 3
(1) Processing pine wood segments into wood shavings, and drying the wood shavings until the moisture content is 8.5%;
(2) uniformly mixing aluminum hydroxide and water according to the mass ratio of 1:96 to prepare a coagulant solution, and taking care to use the coagulant solution immediately after preparation;
(3) weighing the dried wood shavings, adding the wood shavings and the environment-friendly adhesive into a glue mixer together for mixing the materials, pausing the machine to open a feeding port after stirring for 360 seconds, starting the glue mixer again after adding water and a coagulant solution, and stirring the materials until all components are uniformly mixed to obtain wet wood shavings; wherein the mass ratio of the dried wood shavings to the environment-friendly adhesive to the coagulant is 58:42: 2; the water content of the obtained wet wood shavings is 28%; the raw material adopted by the environment-friendly adhesive is magnesium sulfate heptahydrate;
(4) after the wet wood shavings are obtained, the wet wood shavings are paved in a layering way and pre-pressed to obtain a pre-pressed plate blank; the total thickness of layered pavement is 180 mm; the pre-pressing pressure is 0.4 MPa;
(5) feeding the pre-pressed plate blank into a press, and forming the pre-pressed plate blank through a hot pressing-cold pressing process to obtain a formed plate blank; the temperature of a hot pressing section of the hot pressing-cold pressing process is 225 ℃, the temperature reduction range of hot pressing and cold pressing is 100 ℃, the total time consumed by the hot pressing and the cold pressing is 360s, and the pressure is 3.5 MPa;
(6) after a formed plate blank is obtained, the formed plate blank is placed in a vacant shady place to be stood to obtain the rapidly prepared inorganic shaving board; the standing place is a shady place, the air humidity is 23%, and the air temperature is 10 ℃; the water content of the final product of the rapidly prepared inorganic shaving board is 9.5 percent.
Comparative example 3
Commercially available particle board grade P2 was purchased as comparative example 3, and example 3 and comparative example 3 were tested for performance with reference to the national standard "particle board" and the results are shown in table 3:
example 4
(1) Processing pine wood segments into wood shavings, and drying the wood shavings until the moisture content is 7.5%;
(2) uniformly mixing calcium sulfate and water according to the mass ratio of 2:98 to prepare a coagulant solution, and taking care that the coagulant solution is used immediately after preparation;
(3) weighing the dried wood shavings, adding the wood shavings and the environment-friendly adhesive into a glue mixer together for mixing the materials, pausing the machine to open a feeding port after stirring for 360 seconds, starting the glue mixer again after adding water and a coagulant solution, and stirring the materials until all components are uniformly mixed to obtain wet wood shavings; wherein the mass ratio of the dried wood shavings to the environment-friendly adhesive to the coagulant is 50:50: 2; the water content of the obtained wet wood shavings is 18%; the raw material adopted by the environment-friendly adhesive is heavy magnesium oxide;
(4) after the wet wood shavings are obtained, the wet wood shavings are paved in a layering way and pre-pressed to obtain a pre-pressed plate blank; the total thickness of layered pavement is 180 mm; the pre-pressing pressure is 0.4 MPa;
(5) feeding the pre-pressed plate blank into a press, and forming the pre-pressed plate blank through a hot pressing-cold pressing process to obtain a formed plate blank; the temperature of a hot pressing section of the hot pressing-cold pressing process is 210 ℃, the temperature reduction amplitude of the hot pressing and the cold pressing is 85 ℃, the total time consumed by the hot pressing and the cold pressing is 360s, and the pressure is 3.1 MPa;
(6) after a formed plate blank is obtained, the formed plate blank is placed in a vacant shady place to be stood to obtain the rapidly prepared inorganic shaving board; the standing place is a shady place, the air humidity is 40%, and the air temperature is 25 ℃; the water content of the final product of the rapidly prepared inorganic shaving board is 8.5%.
Comparative example 4
Commercially available particle board grade P2 was purchased as comparative example 4, and example 4 and comparative example 4 were tested for performance in accordance with the national standard "particle board" and the results are shown in table 4:
as can be seen from the above embodiments, the rapidly prepared inorganic particle boards obtained in embodiments 1 to 4 have a shorter production process flow time, the board making time is controlled within 400s, the product production fixed cost is saved, the excellent characteristics of the environment-friendly adhesive are fully utilized, and excellent mechanical properties are provided for the boards, compared with the commercially available ordinary P2-grade particle boards. Therefore, the high-performance flame-retardant shaving board provided by the invention can be used for the production of modern wood structure buildings, indoor and outdoor furniture and the like, and has excellent performance.
The above-mentioned 1 to 4 examples are only a few exemplary preferred embodiments of the present invention, and it should be noted that modifications and local improvements to the formulation can be made by those skilled in the art without departing from the principle of the present invention, and these modifications and local improvements should be considered as within the protection scope of the present invention.
Claims (9)
1. A method for rapidly preparing an inorganic shaving board mainly comprises the following process steps:
mixing a coagulant with water to obtain a coagulant solution; the coagulant is one or more of ferrous sulfate, calcium sulfate or aluminum hydroxide;
pre-mixing the dried wood shavings with an environment-friendly adhesive, and adding a coagulant solution and water to adjust the water content of the wood shavings to obtain wet wood shavings;
paving and prepressing the wet wood shavings in a layering way to obtain a prepressed plate blank;
feeding the pre-pressed plate blank into a press, and forming the plate blank through a hot pressing-cold pressing process to obtain a formed plate blank;
and (3) placing the formed plate blank in a spacious shady place for standing to obtain the high-strength inorganic shaving board.
2. The method for preparing an inorganic particle board as set forth in claim 1, wherein the mass ratio of the coagulant to the water in the step (1) is (1.0-3.5): (96-99).
3. The method for preparing an inorganic particle board according to claim 1, wherein the moisture content of the dried wood particles in the step (2) is 6.0% -8.5%; the mass ratio of the coagulant contained in the dried wood shavings, the environment-friendly adhesive and the coagulant solution is (45-58): (42-55): 1-3); the moisture content of the wet wood shavings is 16-28%; the environment-friendly adhesive comprises a magnesium oxide inorganic adhesive and/or a sulfate inorganic adhesive.
4. The method for preparing an inorganic particle board as claimed in claim 3, wherein the mass ratio of the coagulant contained in the dried wood particles, the environment-friendly adhesive and the coagulant solution is (45-56): (44-55): 1-3); the moisture content of the wet wood shavings is 18-26%.
5. The method for manufacturing an inorganic particle board as set forth in claim 1, wherein the total thickness of the mat applied in the step (3) is 180 mm; the required pressure for pre-pressing is 0.3-0.4 MPa.
6. The method for preparing the inorganic particle board according to claim 1, wherein the temperature of the hot pressing section of the hot pressing-cold pressing process in the step (4) is 195-225 ℃, the temperature reduction range of the hot pressing and the cold pressing is 50-100 ℃, the total time of the hot pressing and the cold pressing is 360s, and the pressure is 2.5-3.5 MPa.
7. The method for preparing an inorganic particle board according to claim 1, wherein the standing place in the step (5) is a shady place, the air humidity is 15-40%, and the air temperature is 10-27 ℃; the water content of the final product of the rapidly prepared inorganic shaving board is 7.5-9.5%.
8. An inorganic particle board produced by the method for producing an inorganic particle board according to any one of claims 1 to 7.
9. Use of the inorganic particle board prepared according to claim 8 in a wood based composite material.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295740A (en) * | 2015-09-30 | 2016-02-03 | 简瑞聪 | Aldehyde-free liquid glue and artificial board processing method |
| CN106947398A (en) * | 2017-05-12 | 2017-07-14 | 阚松鹤 | It is a kind of for adhesive of sheet material and preparation method thereof |
| CN108587482A (en) * | 2018-04-26 | 2018-09-28 | 中南林业科技大学 | A kind of self-heating inorganic adhesive and preparation method thereof and its application process in inorganic artificial board production |
| CN108608549A (en) * | 2018-05-14 | 2018-10-02 | 中南林业科技大学 | A kind of inorganic particieboard of high-strength light and preparation method thereof |
| CN114012857A (en) * | 2021-10-15 | 2022-02-08 | 廊坊民丰木业有限公司 | Preparation method of high-performance magnesium-based inorganic flame-retardant shaving board |
-
2022
- 2022-05-11 CN CN202210506668.8A patent/CN114905597B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295740A (en) * | 2015-09-30 | 2016-02-03 | 简瑞聪 | Aldehyde-free liquid glue and artificial board processing method |
| CN106947398A (en) * | 2017-05-12 | 2017-07-14 | 阚松鹤 | It is a kind of for adhesive of sheet material and preparation method thereof |
| CN108587482A (en) * | 2018-04-26 | 2018-09-28 | 中南林业科技大学 | A kind of self-heating inorganic adhesive and preparation method thereof and its application process in inorganic artificial board production |
| CN108608549A (en) * | 2018-05-14 | 2018-10-02 | 中南林业科技大学 | A kind of inorganic particieboard of high-strength light and preparation method thereof |
| CN114012857A (en) * | 2021-10-15 | 2022-02-08 | 廊坊民丰木业有限公司 | Preparation method of high-performance magnesium-based inorganic flame-retardant shaving board |
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