CN104859024A - High-strength flame-retardant and low-cost waste wood regeneration method - Google Patents

High-strength flame-retardant and low-cost waste wood regeneration method Download PDF

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Publication number
CN104859024A
CN104859024A CN201410796459.7A CN201410796459A CN104859024A CN 104859024 A CN104859024 A CN 104859024A CN 201410796459 A CN201410796459 A CN 201410796459A CN 104859024 A CN104859024 A CN 104859024A
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China
Prior art keywords
regeneration method
wood
low cost
waste
wood dust
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Pending
Application number
CN201410796459.7A
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Chinese (zh)
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不公告发明人
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王玉燕
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Priority to CN201410796459.7A priority Critical patent/CN104859024A/en
Publication of CN104859024A publication Critical patent/CN104859024A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27LREMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/06Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood powder or sawdust
    • 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
    • B27N1/00Pretreatment of moulding material
    • B27N1/02Mixing the material with binding agent
    • 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
    • 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

Abstract

The invention discloses a high-strength flame-retardant and low-cost waste wood regeneration method which comprises the following steps: preparation of sawdust powder, material mixing, compression injection molding, and cooling, wherein the proportion of material mixing is that sawdust powder to carbon fiber to glass fiber to magnesium hydroxide to rubber powder to a cross-linking agent is (50% to 60%):(5% to 8%):(8% to 12 %):(15% to 20 %):(6% to 9%):(1% to 3%); the rubber powder is butadiene-acrylonitrile rubber or styrene-butadiene rubber; the cross-linking agent is glycerine-3-glycidyl ether. The high-strength flame-retardant and low-cost waste wood regeneration method has the advantages that the technology is simple, efficient, environment-friendly and the like; as waste wood is used as a main raw material, the production cost is reduced; the product is high in strength, abrasion resistance, flame retardancy, plasticity and dimensional stability, can replace wood in the fields of building decoration, furniture and the like, and is long-lasting.

Description

A kind of Waste timber regeneration method of high-strength fire-retarding low cost
Technical field
The present invention relates to timber recycle utilization field, specifically a kind of Waste timber regeneration method of high-strength fire-retarding low cost.
Background technology
Timber be a kind of renewable, can recycling and can the green material of natural degradation and living resources, it has beautiful texture, color and luster is natural, texture is comfortable, plasticity is good, be easy to the advantages such as processing, dark liking by people, and be widely used in the fields such as interior decoration, Furniture manufacture, building construction, extraneous adornment.Meanwhile, exceedingly utilization, deforest and reclamation, only cut and do not make, make timber resource shortage, the forest reserves suffer seriously to break ring etc., will the sound development of the ecological balance and environmental protection be had influence on.For this reason, seek a kind of replace the popular material of timber by become social development in the urgent need to.Utilize waste and old wood to regenerate and can alleviate overcut and save the forest reserves, therefore waste and old wood regeneration not lost is the direction of the sustainable stable development of a kind of economy, environmental protection and timber.
Summary of the invention
The object of the present invention is to provide a kind of production technology Waste timber regeneration method that is simple, high-strength fire-retarding low cost efficiently.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Waste timber regeneration method of high-strength fire-retarding low cost, comprises the following steps:
(1), wood dust is prepared: check and sub-elect waste and old wood, by the Impurity removal in waste and old wood, then wood dust is made by pulverizer, and wood dust is added in roller drying machine carry out drying, make wood dust, in roller drying machine, moisture is reduced to 8% ~ 12%, drying time is 30 ~ 60min, and baking temperature is 85 DEG C ~ 100 DEG C;
(2), prepare burden: dried wood dust is added in mixer, then carbon fiber, glass fibre, magnesium hydroxide, rubber powder and crosslinking agent is added successively, and wood dust: carbon fiber: glass fibre: magnesium hydroxide: rubber powder: the mass content proportioning of crosslinking agent is 50% ~ 60%:5% ~ 8%:8% ~ 12%:15% ~ 20%:6% ~ 9%:1% ~ 3%, then make to stir 20 ~ 50min together, to be mixed evenly after, discharging;
(3), injection-compression molding: the mixture that step (2) obtains is added in injection-compression molding machine, carry out injection-compression molding at 235 DEG C ~ 350 DEG C temperature;
(4), cooling: sent into by the injection-compression molding body that step (3) obtains in the cool furnace of 15 DEG C ~ 20 DEG C and carry out cooling processing, cool time is 12 ~ 36h, to be cooledly comes out of the stove to during 30 DEG C ~ 40 DEG C of temperature, and then indoor storing 2 ~ 8h, namely completes the present invention.
Step (1) described waste and old wood comprises tailing, wood chip, wood shavings or the wood chip that timber is processed.
The diameter of step (1) and step (2) described wood dust is less than 20 μm, length is less than 10mm.
Step (2) described carbon fiber is diameter at 5 ~ 20 μm, polyacrylonitrile carbon fiber within the scope of length 4 ~ 9mm.
Step (2) described glass fibre is diameter at 4 ~ 17 μm, alkali-free glass fibre within the scope of length 2 ~ 6mm.
Step (2) described magnesium hydroxide is the nano-sized magnesium hydroxide particle of surface through silane coupler activation process.
Step (2) described rubber powder is acrylonitrile-butadiene rubber or butadiene-styrene rubber.
Step (2) described crosslinking agent is glycerin triglycidyl ether.
The invention has the beneficial effects as follows, the present invention has the advantages such as technique is simple, efficient, environmental protection, and using waste and old wood as primary raw material, reduce production cost, and products obtained therefrom has advantages such as intensity is high, wear-resisting, fire-retardant, plasticity is good, excellent size stability, timber can be substituted use in the field such as construction and decoration, furniture, and durable in use.
Detailed description of the invention
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
A Waste timber regeneration method for high-strength fire-retarding low cost, comprises the following steps:
(1), wood dust is prepared: check and sub-elect waste and old wood, by the Impurity removal in waste and old wood, then wood dust is made by pulverizer, and wood dust is added in roller drying machine carry out drying, make wood dust, in roller drying machine, moisture is reduced to 8% ~ 12%, drying time is 30 ~ 60min, baking temperature is 85 DEG C ~ 100 DEG C, wherein, described waste and old wood comprises the tailing of timber processing, wood chip, wood shavings or wood chip, and the diameter of described wood dust is less than 20 μm, length is less than 10mm;
(2), batching: dried wood dust is added in mixer, then carbon fiber is added successively, glass fibre, magnesium hydroxide, acrylonitrile-butadiene rubber and glycerin triglycidyl ether, and wood dust: carbon fiber: glass fibre: magnesium hydroxide: acrylonitrile-butadiene rubber: the mass content proportioning of glycerin triglycidyl ether is 50%:8%:10%:20%:9%:3%, then make to stir 20 ~ 50min together, evenly rear discharging to be mixed, wherein, described carbon fiber is that diameter is at 5 ~ 20 μm, polyacrylonitrile carbon fiber within the scope of length 4 ~ 9mm, described glass fibre is that diameter is at 4 ~ 17 μm, alkali-free glass fibre within the scope of length 2 ~ 6mm, described magnesium hydroxide is the nano-sized magnesium hydroxide particle of surface through silane coupler activation process,
(3), injection-compression molding: the mixture that step (2) obtains is added in injection-compression molding machine, carry out injection-compression molding at 235 DEG C ~ 350 DEG C temperature;
(4), cooling: sent into by the injection-compression molding body that step (3) obtains in the cool furnace of 15 DEG C ~ 20 DEG C and carry out cooling processing, cool time is 12 ~ 36h, to be cooledly comes out of the stove to during 30 DEG C ~ 40 DEG C of temperature, and then indoor storing 2 ~ 8h, namely completes the present invention.
Embodiment 2:
A Waste timber regeneration method for high-strength fire-retarding low cost, comprises the following steps:
(1), wood dust is prepared: check and sub-elect waste and old wood, by the Impurity removal in waste and old wood, then wood dust is made by pulverizer, and wood dust is added in roller drying machine carry out drying, make wood dust, in roller drying machine, moisture is reduced to 8% ~ 12%, drying time is 30 ~ 60min, baking temperature is 85 DEG C ~ 100 DEG C, wherein, described waste and old wood comprises the tailing of timber processing, wood chip, wood shavings or wood chip, and the diameter of described wood dust is less than 20 μm, length is less than 10mm;
(2), batching: dried wood dust is added in mixer, then carbon fiber is added successively, glass fibre, magnesium hydroxide, butadiene-styrene rubber and glycerin triglycidyl ether, and wood dust: carbon fiber: glass fibre: magnesium hydroxide: butadiene-styrene rubber: the mass content proportioning of glycerin triglycidyl ether is 60%:5%:8%:20%:6%:1%, then make to stir 20 ~ 50min together, evenly rear discharging to be mixed, wherein, described carbon fiber is that diameter is at 5 ~ 20 μm, polyacrylonitrile carbon fiber within the scope of length 4 ~ 9mm, described glass fibre is that diameter is at 4 ~ 17 μm, alkali-free glass fibre within the scope of length 2 ~ 6mm, described magnesium hydroxide is the nano-sized magnesium hydroxide particle of surface through silane coupler activation process,
(3), injection-compression molding: the mixture that step (2) obtains is added in injection-compression molding machine, carry out injection-compression molding at 235 DEG C ~ 350 DEG C temperature;
(4), cooling: sent into by the injection-compression molding body that step (3) obtains in the cool furnace of 15 DEG C ~ 20 DEG C and carry out cooling processing, cool time is 12 ~ 36h, to be cooledly comes out of the stove to during 30 DEG C ~ 40 DEG C of temperature, and then indoor storing 2 ~ 8h, namely completes the present invention.

Claims (7)

1. a Waste timber regeneration method for high-strength fire-retarding low cost, is characterized in that, comprises the following steps:
(1), wood dust is prepared: check and sub-elect waste and old wood, by the Impurity removal in waste and old wood, then wood dust is made by pulverizer, and wood dust is added in roller drying machine carry out drying, make wood dust, in roller drying machine, moisture is reduced to 8% ~ 12%, drying time is 30 ~ 60min, and baking temperature is 85 DEG C ~ 100 DEG C;
(2), prepare burden: dried wood dust is added in mixer, then carbon fiber, glass fibre, magnesium hydroxide, rubber powder and crosslinking agent is added successively, and wood dust: carbon fiber: glass fibre: magnesium hydroxide: rubber powder: the mass content proportioning of crosslinking agent is 50% ~ 60%:5% ~ 8%:8% ~ 12%:15% ~ 20%:6% ~ 9%:1% ~ 3%, then make to stir 20 ~ 50min together, to be mixed evenly after, discharging;
(3), injection-compression molding: the mixture that step (2) obtains is added in injection-compression molding machine, carry out injection-compression molding at 235 DEG C ~ 350 DEG C temperature;
(4), cooling: sent into by the injection-compression molding body that step (3) obtains in the cool furnace of 15 DEG C ~ 20 DEG C and carry out cooling processing, cool time is 12 ~ 36h, to be cooledly comes out of the stove to during 30 DEG C ~ 40 DEG C of temperature, and then indoor storing 2 ~ 8h, namely completes the present invention.
2. the Waste timber regeneration method of a kind of high-strength fire-retarding low cost according to claim 1, is characterized in that, the diameter of step (1) and step (2) described wood dust is less than 20 μm, length is less than 10mm.
3. the Waste timber regeneration method of a kind of high-strength fire-retarding low cost according to claim 1, is characterized in that, step (2) described carbon fiber is diameter at 5 ~ 20 μm, polyacrylonitrile carbon fiber within the scope of length 4 ~ 9mm.
4. the Waste timber regeneration method of a kind of high-strength fire-retarding low cost according to claim 1, is characterized in that, step (2) described glass fibre is diameter at 4 ~ 17 μm, alkali-free glass fibre within the scope of length 2 ~ 6mm.
5. the Waste timber regeneration method of a kind of high-strength fire-retarding low cost according to claim 1, is characterized in that, step (2) described magnesium hydroxide is the nano-sized magnesium hydroxide particle of surface through silane coupler activation process.
6. the Waste timber regeneration method of a kind of high-strength fire-retarding low cost according to claim 1, is characterized in that, step (2) described rubber powder is acrylonitrile-butadiene rubber or butadiene-styrene rubber.
7. the Waste timber regeneration method of a kind of high-strength fire-retarding low cost according to claim 1, is characterized in that, step (2) described crosslinking agent is glycerin triglycidyl ether.
CN201410796459.7A 2014-12-22 2014-12-22 High-strength flame-retardant and low-cost waste wood regeneration method Pending CN104859024A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410796459.7A CN104859024A (en) 2014-12-22 2014-12-22 High-strength flame-retardant and low-cost waste wood regeneration method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410796459.7A CN104859024A (en) 2014-12-22 2014-12-22 High-strength flame-retardant and low-cost waste wood regeneration method

Publications (1)

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CN104859024A true CN104859024A (en) 2015-08-26

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108527598A (en) * 2018-03-28 2018-09-14 广西艾尚嘉家居有限公司 A kind of production method of three-ply board
CN111452167A (en) * 2019-12-27 2020-07-28 湖州凯鑫智能家居有限公司 Environment-friendly timber apron based on waste timber preparation
CN112720769A (en) * 2020-12-25 2021-04-30 浙江农林大学 Preparation method of environment-friendly high-strength wood fiber-based composite material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108527598A (en) * 2018-03-28 2018-09-14 广西艾尚嘉家居有限公司 A kind of production method of three-ply board
CN111452167A (en) * 2019-12-27 2020-07-28 湖州凯鑫智能家居有限公司 Environment-friendly timber apron based on waste timber preparation
CN112720769A (en) * 2020-12-25 2021-04-30 浙江农林大学 Preparation method of environment-friendly high-strength wood fiber-based composite material

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Application publication date: 20150826

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