CN114905597B - Method for rapidly preparing inorganic shaving board - Google Patents

Method for rapidly preparing inorganic shaving board Download PDF

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Publication number
CN114905597B
CN114905597B CN202210506668.8A CN202210506668A CN114905597B CN 114905597 B CN114905597 B CN 114905597B CN 202210506668 A CN202210506668 A CN 202210506668A CN 114905597 B CN114905597 B CN 114905597B
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wood shavings
inorganic
hot pressing
water
slab
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CN114905597A (en
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王欣
牛耕芜
王君哲
梁展鹏
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Inner Mongolia Agricultural University
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Inner Mongolia Agricultural University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE 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
    • B27N3/00Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08Moulding or pressing
    • B27N3/10Moulding of mats
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27KPROCESSES, 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
    • B27K1/00Damping wood
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE 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
    • B27N1/00Pretreatment of moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE 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
    • B27N3/00Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/002Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE 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
    • B27N3/00Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/02Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE 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
    • B27N3/00Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08Moulding or pressing
    • B27N3/18Auxiliary operations, e.g. preheating, humidifying, cutting-off
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use 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 inorganic shaving boards, 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 and water to obtain a coagulant solution; (2) Premixing 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) Layering and paving the wet shavings, and prepressing to obtain a prepressing plate blank; (4) Feeding the pre-pressed slab into a press machine to form the slab through a hot pressing-cold pressing process, so as to obtain a formed slab; (5) And placing the formed plate blank in a hollow back and yin place for standing to obtain the inorganic shaving board. Compared with the traditional inorganic board, the board process flow prepared by the method has the advantages of shorter time consumption, better mechanical property and new technical scheme for producing the inorganic shaving board.

Description

Method for rapidly preparing inorganic shaving board
Technical Field
The invention relates to the technical field of wood-based composite material production, and particularly provides a method for rapidly preparing an inorganic shaving board.
Background
In the prior art, the inorganic particle board is produced by adopting a hot pressing process or a cold pressing process, and the inorganic particle board is produced by adopting the characteristic of an inorganic adhesive, so that the period required by producing the inorganic particle board is longer, and the development of the inorganic particle board industry is restricted due to the limitation of the longer production period although the board has higher performance. Therefore, a method for rapidly preparing the inorganic shaving board is urgently needed in the market, 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 of long production period of inorganic shaving boards and serious limitation of product yield in the existing production process, and provides a method for rapidly preparing inorganic shaving boards.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a method for rapidly preparing inorganic particle board, comprising the following steps:
(1) Mixing an accelerator and water to obtain an accelerator solution;
(2) Premixing 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) Layering the wet shavings by using a paving frame to carry out paving and prepressing to obtain a prepressing plate blank;
(4) Feeding the pre-pressed slab into a press machine to form the slab through a hot pressing-cold pressing process, so as to obtain a formed slab;
(5) Placing the formed plate blank in a hollow back-to-back place for standing to obtain the 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, in the step (1), the mass ratio of the coagulant to the water is (1.0-3.5) (96.5-99).
Preferably, the moisture content of the dried wood shavings in the step (2) is 6.0% -8.5%; the mass ratio of the accelerator contained in the dried wood shavings, the environment-friendly adhesive and the accelerator 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 180mm; 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 temperature reduction range of hot pressing and cold pressing is 50-100 ℃, the total time consumption of hot pressing-cold pressing is 360s, and the pressure is 2.5-3.5 MPa.
Preferably, in the step (5), the standing place is a shadow place, the air humidity is 15-40%, and the air temperature is 10-27 ℃; the water content of the inorganic shaving board final product prepared rapidly is 7.5-9.5%.
The invention provides the rapidly prepared inorganic particle board prepared by the method.
The invention also provides application of the inorganic particle board prepared rapidly to a wood-based composite material.
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 process flow has better mechanical property.
Detailed Description
The invention is further described below.
The invention provides a method for rapidly preparing inorganic particle boards, which comprises the following steps:
(1) Mixing an accelerator and water to obtain an accelerator solution;
(2) Premixing 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) Layering the wet shavings by using a paving frame for paving and prepressing to obtain a preformed plate blank;
(4) Feeding the preformed plate blank into a press machine, and forming the preformed plate blank through a hot pressing-cold pressing process to obtain a formed plate blank;
(5) And placing the formed plate blank in a hollow back and yin place for standing to obtain the inorganic shaving board.
The present invention mixes the coagulant with water to obtain a coagulant solution. The accelerator used in the invention is mainly ferrous sulfate (FeSO) 4 ) Or calcium sulfate (CaSO) 4 ) Or aluminum hydroxide (Al (OH) 3 ) One or more of them, more preferably ferrous sulfate or aluminum hydroxide; when ferrous sulfate and calcium sulfate are used as coagulants, sulfate ions contained in the coagulants participate in the hydration reaction of the adhesive, so that the hydration reaction efficiency of magnesium oxide is improved; using aluminium hydroxide as a promoterIn the case of the coagulant, al contained therein 3+ The ion can react with the inorganic adhesive in the hot pressing process of the plate, consume unreacted complete components and generate aluminum gel with the components to fill the pores of the plate system, the invention has no special requirement on the source of ferrous sulfate and aluminum hydroxide, the existing commercial products are selected, and the coagulant is a substance contained in the coagulant solution; in the invention, the water is common 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) 96.5-99.0. The concrete mode of mixing the coagulant and water is not particularly specified, 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 accelerator 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 agglomerate, 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, more preferably camphor wood pine shavings. In the invention, the dried wood shavings are preferably prepared by crushing and processing camphor wood pine wood materials; the method of the present invention is not particularly limited. The water content of the dried wood shavings is adjusted to be 6.0% -8.5%; the method for adjusting the water content of the dried wood shavings is not specifically described, and the wood shavings can be adjusted to the required water content by adopting the current common method in the field. The mass ratio of the dried wood shavings to the environment-friendly adhesive to the accelerator is (45-58): (42-55): (1-3), more preferably; (45-56) (44-55) (1-3); the moisture content of the wet wood shavings is 16-28%, more preferably 18-26%.
After wet shavings are obtained, layering paving and prepressing are carried out on the wet shavings to obtain a formed plate blank; the total thickness of the layered pavement is 180mm; the pre-pressing pressure is 0.3-0.4 MPa, and more preferably 0.35MPa; the invention has no special requirement on equipment adopted by prepressing, and ensures that the obtained prepressing slab is not scattered in the conveying process.
The method comprises the steps of feeding a pre-pressed slab into a press machine, and forming the pre-pressed slab through a hot pressing-cold pressing process to obtain a formed slab; 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 consumption of hot pressing-cold pressing is 360s, and the pressure is 2.5-3.5 MPa. The hot pressing and cold pressing in the invention achieve the required requirements through a universal press; the invention has no special requirement on the manufacturer of the universal press, and can meet the process requirement and ensure that the breadth of the pressing plate is flat and unbroken; and the wet shavings are subjected to hot pressing and cold pressing processes after pavement to obtain the formed plate blank.
After the formed plate blank is obtained, the formed plate blank is placed at the open back yin position for standing, and the inorganic shaving board which is prepared rapidly is obtained. The standing place is a shadow place, the air humidity is 15-40%, and the air temperature is 10-27 ℃; the water content of the inorganic shaving board final product prepared rapidly is 7.5-9.5%.
The following provides a specific description of the method and application of the present invention for producing a rapid-manufacturing inorganic particle board in conjunction with specific examples, but they should not be construed as limiting the scope of the present invention.
Example 1
(1) Processing pine sections into wood shavings, and drying the wood shavings until the water content reaches 6.5%;
(2) Uniformly mixing ferrous sulfate and water according to a mass ratio of 1:99 to prepare a coagulant solution, wherein the coagulant solution is prepared for use at present;
(3) Weighing dried wood shavings, adding the dried wood shavings and an environment-friendly adhesive into a glue mixer for material mixing, suspending the machine after stirring for 360 seconds, opening a feeding port, adding water and a coagulant solution, starting the glue mixer again, and stirring the materials until all components are uniformly mixed to obtain wet wood shavings; wherein the mass ratio of the accelerator contained in the dried wood shavings, the environment-friendly adhesive and the accelerator solution is 45:55:3; the moisture content of the obtained wet wood shavings is 16%; the environment-friendly adhesive is prepared from light-burned magnesium oxide and magnesium sulfate heptahydrate according to a ratio of 2:1;
(4) After wet shavings are obtained, layering paving and prepressing are carried out on the wet shavings to obtain a prepressing plate blank; the total thickness of layered pavement is 180mm; the pre-pressing pressure is 0.35MPa;
(5) Feeding the pre-pressed slab into a press machine, and forming the pre-pressed slab through a hot pressing-cold pressing process to obtain a formed slab; the temperature of a hot pressing section of the hot pressing-cold pressing process is 195 ℃, the temperature reduction amplitude of hot pressing and cold pressing is 50 ℃, the total time consumption of hot pressing-cold pressing is 360s, and the pressure is 2.5MPa;
(6) After the molded slab is obtained, placing the molded slab in a hollow back-to-back place for standing to obtain a rapidly prepared inorganic shaving board; the place to be stood is a back shade, the air humidity is 20%, and the air temperature is 17 ℃; the final product of the inorganic particle board prepared rapidly has a water content of 7.5%.
Comparative example 1
Commercial P2 particle board was purchased as comparative example 1, and performance tests were conducted on example 1 and comparative example 1 with reference to the national standard "particle board", and the results are shown in table 1:
Figure 800976DEST_PATH_IMAGE001
example 2
(1) Processing pine sections into wood shavings, and drying the wood shavings until the water content reaches 6%;
(2) Uniformly mixing aluminum hydroxide and water according to a mass ratio of 3.5:96 to prepare a coagulant solution, wherein the coagulant solution is prepared for use at present;
(3) Weighing dried wood shavings, adding the dried wood shavings and an environment-friendly adhesive into a glue mixer for material mixing, suspending the machine after stirring for 360 seconds, opening a feeding port, adding water and a coagulant solution, starting the glue mixer again, 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 contained in the coagulant solution is 56:44:1; the moisture content of the obtained wet wood shavings is 26%; the environment-friendly adhesive is prepared from the raw materials of heavy magnesium oxide and magnesium sulfate heptahydrate according to the proportion of 2:1;
(4) After wet shavings are obtained, layering paving and prepressing are carried out on the wet shavings to obtain a prepressing plate blank; the total thickness of layered pavement is 180mm; the pre-pressing pressure is 0.3MPa;
(5) Feeding the pre-pressed slab into a press machine, and forming the pre-pressed slab through a hot pressing-cold pressing process to obtain a formed slab; the temperature of the hot pressing section of the hot pressing-cold pressing process is 210 ℃, the temperature reduction amplitude of hot pressing and cold pressing is 80 ℃, the total time consumption of hot pressing-cold pressing is 360s, and the pressure is 3.0MPa;
(6) After the formed plate blank is obtained, the formed plate blank is placed at a hollow back yin position for standing, and the inorganic shaving board which is rapidly prepared is obtained; the place to be stood is a shade place, the air humidity is 15%, and the air temperature is 27 ℃; the water content of the inorganic particle board final product which is prepared rapidly is 8%.
Comparative example 2
Commercial P2 grade chipboard was purchased as comparative example 2, and performance tests were performed on example 2 and comparative example 2 with reference to the national standard "chipboard", and the results are shown in table 2:
Figure 452537DEST_PATH_IMAGE002
example 3
(1) Processing pine sections into wood shavings, and drying the wood shavings until the water content reaches 8.5%;
(2) Uniformly mixing aluminum hydroxide and water according to a mass ratio of 1:96 to prepare a coagulant solution, wherein the coagulant solution is prepared for use at present;
(3) Weighing dried wood shavings, adding the dried wood shavings and an environment-friendly adhesive into a glue mixer for material mixing, suspending the machine after stirring for 360 seconds, opening a feeding port, adding water and a coagulant solution, starting the glue mixer again, 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 accelerator is 58:42:2; the moisture content of the obtained wet wood shavings is 28%; the environment-friendly adhesive adopts magnesium sulfate heptahydrate as a raw material;
(4) After wet shavings are obtained, layering paving and prepressing are carried out on the wet shavings to obtain a prepressing plate blank; the total thickness of layered pavement is 180mm; the pre-pressing pressure is 0.4MPa;
(5) Feeding the pre-pressed slab into a press machine, and forming the pre-pressed slab through a hot pressing-cold pressing process to obtain a formed slab; the temperature of a hot pressing section of the hot pressing-cold pressing process is 225 ℃, the temperature reduction amplitude of hot pressing and cold pressing is 100 ℃, the total time consumption of hot pressing-cold pressing is 360s, and the pressure is 3.5MPa;
(6) After the formed plate blank is obtained, the formed plate blank is placed at a hollow back yin position for standing, and the inorganic shaving board which is rapidly prepared is obtained; the place to be stood is a shade place, the air humidity is 23%, and the air temperature is 10 ℃; the water content of the final product of the inorganic particle board which is prepared rapidly is 9.5%.
Comparative example 3
Commercial P2 particle board was purchased as comparative example 3, and performance tests were conducted on example 3 and comparative example 3 with reference to the national standard "particle board", and the results are shown in table 3:
Figure 776815DEST_PATH_IMAGE003
example 4
(1) Processing pine sections into wood shavings, and drying the wood shavings until the water content reaches 7.5%;
(2) Uniformly mixing calcium sulfate and water according to a mass ratio of 2:98 to prepare a coagulant solution, wherein the coagulant solution is prepared for use at present;
(3) Weighing dried wood shavings, adding the dried wood shavings and an environment-friendly adhesive into a glue mixer for material mixing, suspending the machine after stirring for 360 seconds, opening a feeding port, adding water and a coagulant solution, starting the glue mixer again, 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 accelerator is 50:50:2; the moisture content of the obtained wet wood shavings is 18%; the raw material adopted by the environment-friendly adhesive is heavy magnesium oxide;
(4) After wet shavings are obtained, layering paving and prepressing are carried out on the wet shavings to obtain a prepressing plate blank; the total thickness of layered pavement is 180mm; the pre-pressing pressure is 0.4MPa;
(5) Feeding the pre-pressed slab into a press machine, and forming the pre-pressed slab through a hot pressing-cold pressing process to obtain a formed slab; the temperature of the hot pressing section of the hot pressing-cold pressing process is 210 ℃, the temperature reduction amplitude of hot pressing and cold pressing is 85 ℃, the total time consumption of hot pressing-cold pressing is 360s, and the pressure is 3.1MPa;
(6) After the formed plate blank is obtained, the formed plate blank is placed at a hollow back yin position for standing, and the inorganic shaving board which is rapidly prepared is obtained; the place to be stood is a shade place, the air humidity is 40 percent, and the air temperature is 25 ℃; the water content of the final product of the inorganic particle board which is prepared rapidly is 8.5%.
Comparative example 4
Commercial P2 grade particle board was purchased as comparative example 4, and performance tests were performed on example 4 and comparative example 4 with reference to the national standard "particle board", and the results are shown in table 4:
Figure 234341DEST_PATH_IMAGE004
from the above examples, it can be seen that, compared with the commercial ordinary P2-grade chipboard, the rapidly prepared inorganic chipboard obtained in examples 1-4 has the advantages of short production process flow time, control of the board making time within 400s, saving of the production fixing cost of the product, full utilization of the excellent characteristics of the environment-friendly adhesive, and excellent mechanical properties for the board. Therefore, the high-performance flame-retardant shaving board provided by the invention can be used for the ways of modern wood structure building, indoor and outdoor furniture production and the like, and has excellent performance.
The above examples 1-4 are only a few exemplary preferred embodiments of the present invention, and it should be noted that it is possible for a person skilled in the art to make modifications and local improvements to the formulation without departing from the principles of the present invention, and these modifications and local improvements should also be considered as being within the scope of the present invention.

Claims (5)

1. A method for rapidly preparing inorganic shaving board comprises the following main process steps:
(1) Mixing an accelerator and water to obtain an accelerator solution; the coagulant is one or more of ferrous sulfate, calcium sulfate or aluminum hydroxide; wherein the mass ratio of the coagulant to the water is (1.0-3.5) (96-99);
(2) Premixing 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; wherein the water content of the dried wood shavings is 6.0% -8.5%; the mass ratio of the accelerator contained in the dried wood shavings, the environment-friendly adhesive and the accelerator solution is (45-58): (42-55): (1-3); the moisture content of the obtained wet wood shavings is 16-28%; the environment-friendly adhesive comprises a magnesium oxide inorganic adhesive and/or a sulfate inorganic adhesive;
(3) Layering and paving the wet wood shavings, wherein the total paving thickness is 180mm, and the pressure required by the pre-compaction is 0.3-0.4 MPa, so as to obtain a pre-compaction plate blank;
(4) The pre-pressed slab is sent into a press machine to form the slab through a hot pressing-cold pressing process, the temperature of a 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 consumption of hot pressing-cold pressing is 360s, and the pressure is 2.5-3.5 MPa, so that a formed slab is obtained;
(5) And placing the formed plate blank in a hollow back and yin place for standing to obtain the high-strength inorganic shaving board.
2. The method for rapidly preparing inorganic particle boards according to claim 1, wherein the mass ratio of the accelerator contained in the dried wood shavings, the environment-friendly adhesive and the accelerator solution is (45-56): (44-55): (1-3); the moisture content of the wet wood shavings is 18-26%.
3. The method for rapidly preparing inorganic particle boards according to claim 1, wherein the standing place in the step (5) is a back-to-back place, the air humidity is 15-40%, and the air temperature is 10-27 ℃; the water content of the inorganic shaving board final product prepared rapidly is 7.5-9.5%.
4. An inorganic particle board produced by the method for rapidly producing an inorganic particle board according to any one of claims 1 to 3.
5. The use of the rapidly prepared inorganic particle board according to claim 4 for wood-based composites.
CN202210506668.8A 2022-05-11 2022-05-11 Method for rapidly preparing inorganic shaving board Active CN114905597B (en)

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Publication number Priority date Publication date Assignee Title
CN105295740B (en) * 2015-09-30 2018-03-30 佛山市高明顺高木业有限公司 The liquid adhesive and wood-based plate processing method of a kind of no aldehyde
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
CN108587482B (en) * 2018-04-26 2020-12-01 中南林业科技大学 Self-heating inorganic adhesive, preparation method thereof and application method thereof in production of inorganic artificial board
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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