CN104612326B - Porous compound bamboo or FRP biomass round member and preparation method - Google Patents
Porous compound bamboo or FRP biomass round member and preparation method Download PDFInfo
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- CN104612326B CN104612326B CN201410834950.4A CN201410834950A CN104612326B CN 104612326 B CN104612326 B CN 104612326B CN 201410834950 A CN201410834950 A CN 201410834950A CN 104612326 B CN104612326 B CN 104612326B
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Abstract
The present invention is porous compound bamboo or FRP biomass round member and preparation method, its structure be cross-sectional internal thick bamboo tube bamboo chip group (3) by primary thick bamboo tube hollow no less than 3 with no less than 3 primary arcuation bamboo chips by ropy or rattan shape thing (4) be lashed to together with and formed, and all thick bamboo tube diameter are equal, all primary arcuation bamboo chips are equal in magnitude, the centre of form of thick bamboo tube bamboo chip group (3) overlaps with the center of circle of compound bamboo cylinder or FRP cylinder (1), it is full of the gap between compound bamboo cylinder or FRP cylinder (1) and thick bamboo tube bamboo chip group (3) by biomass inserts (2) or the compound that formed by biomass inserts (2) and molding powder particle (5) etc..Advantage: take full advantage of the feature of multiclass material, is applied to agricultural-forestry biomass resource or daily life plastic waste material in civil construction structure member.Have from heavy and light, the advantage such as rigidity is big, ductility good, automatic recovery ability is strong, economic performance is good, anti-seismic performance is superior.
Description
Technical field
The present invention relates to porous compound bamboo or FRP biomass round member and preparation method, belong to civil engineering technology and material science.
Background technology
Quickening along with country's Economic Development Mode Conversion process; development low-carbon economy quickly propelling as country; protective policy to wildwood and artificial forest cultivation will be the severeest; quantity delivered and the structural elements of timber will be the most prominent to the contradiction between its demand; the development space of the structural elements with timber as raw material will greatly reduce; and the release of biological material component, provide direction for being effectively protected the forest reserves.
nullChina abounds with bamboo，And owning amount and quality all occupy first place in the world，Bamboo is renewable、Degradable，General 3-5 can be become a useful person，The tensile strength of bamboo wood is about 2 times of timber，Comprcssive strength is about 1.5 times of timber，The specific strength of bamboo wood is higher than common wood、Structural steel、Aluminium alloy、Concrete etc.，Bamboo wood has the most elastic and toughness，Deformability is strong，Composite with bamboo wood and with other materials composition replaces concrete、House built by steel or clay brick etc.，Meet the significant task " Green Development that " 12 " planning is disposed，Resources for construction economizing type、Friendly environment society " fundamental requirement，Also comply with that " National Program for Medium-to Long-term Scientific and Technological Development (2006 the year two thousand twenty) " determine is energy-saving and cost-reducing、Develop the major fields of agricultural-forestry biomass resource and preferential theme.
Porous compound bamboo or FRP biomass round member wide market.Along with the high speed development of China's Wood member industry, the under-supply principal element increasingly becoming the Wood member development of restriction China of wood raw material.The substitution material seeking timber becomes China's Wood member development urgent problem.And apply and there are super quality and competitive price, environmental protection, low stain, porous compound bamboo or the FRP biomass round member of the characteristic such as reusable edible replace wood raw material component necessarily to have the wide market space.
Summary of the invention
What the present invention proposed is porous compound bamboo or FRP biomass round member and preparation method; its purpose is intended to the characteristic combining biological material and the agricultural-forestry biomass resource that China's reserves are abundant is applied in civil construction structure member; reach to save mineral resources; conserve forests, the purpose of protection environment.
The technical solution of the present invention: porous compound bamboo or FRP biomass round member, it is characterized in that, the thick bamboo tube bamboo chip group of cross-sectional internal by primary thick bamboo tube hollow no less than 3 with no less than 3 primary arcuation bamboo chips by ropy or rattan shape thing be lashed to together with and formed, and all thick bamboo tube diameter are equal, all primary arcuation bamboo chips are equal in magnitude, the centre of form of thick bamboo tube bamboo chip group overlaps with the center of circle of compound bamboo cylinder or FRP cylinder, it is full of the gap between compound bamboo cylinder or FRP cylinder and thick bamboo tube bamboo chip group by biomass inserts or the compound that formed by biomass inserts and molding powder particle etc..
Advantages of the present invention: selection is extensive, easy to make, this kind of building element has from heavy and light, the advantage such as rigidity is big, ductility good, automatic recovery ability is strong, economic performance is good, anti-seismic performance is superior, and working procedure is simple, can be applicable to the pressurized in civil engineering structure field or flexural member, significant to the pressure alleviating the shortages of resources such as China's timber, arable land, coal and the deterioration of the ecological environment.
Accompanying drawing explanation
Accompanying drawing 1 is porous compound bamboo or the structural representation of FRP biomass the first embodiment of round member.
Accompanying drawing 2 is porous compound bamboo or the structural representation of FRP biomass round member the second embodiment.
In figure 1 is compound bamboo cylinder or FRP cylinder, 2 is biomass inserts, 3 is thick bamboo tube bamboo chip group, 4 is ropy or rattan shape thing, 5 is molding powder particle.
Detailed description of the invention
Comparison accompanying drawing, porous compound bamboo or FRP biomass round member, its structure be cross-sectional internal thick bamboo tube bamboo chip group 3 by primary thick bamboo tube hollow no less than 3 with no less than 3 primary arcuation bamboo chips by ropy or rattan shape thing 4 be lashed to together with and formed, and all thick bamboo tube diameter are equal, all primary arcuation bamboo chips are equal in magnitude, the centre of form of thick bamboo tube bamboo chip group 3 overlaps with the center of circle of compound bamboo cylinder or FRP cylinder 1, it is full of the gap between compound bamboo cylinder or FRP cylinder 1 and thick bamboo tube bamboo chip group 3 by biomass inserts 2 or the compound that formed by biomass inserts 2 and molding powder particle 5 etc..Described thick bamboo tube bamboo chip group 3 except can be formed hollow alleviate deadweight in addition to, be also important stress ingredient.
Described biomass inserts 2 includes straw, Caulis et Folium Oryzae, corn stalk, sorghum stalk, bean stalk, Fructus Capsici stalk, Rape Straw, Caulis et Folium Lini stalk, phragmites communis stalk, cotton stalk and/or discarded bamboo wood, timber and chip thereof.
Described biomass inserts 2 includes the leaf of crops, stalk, stem and/or wood materials, can relate to all of biological material.
Described molding powder particle 5 is the particle that industrial or daily life plastics Bottle & Can is ground into, particle specification: length 20mm-40mm, width 2mm-6mm, thickness 0.2mm-2mm；Molding powder particle Dustless-surface and greasy dirt.
Described compound bamboo cylinder or FRP cylinder 1 possess tension shearing strength, and the stress that the extraneous load that concrete value is shared with it produces is relevant, will be determined by practical structures design calculating；The thickness of FRP cylinder is not less than 10mm, and the thickness of compound bamboo cylinder is not less than 20mm.
Described thick bamboo tube bamboo chip group 3 except can be formed hollow alleviate deadweight in addition to, be also important stress ingredient.Thick bamboo tube bamboo chip group 3 is former thick bamboo tube raw for 3-6, and former thick bamboo tube is straight, and all thick bamboo tube diameter are equal, and bamboo chip is the primary bamboo chip of width arcuation；Former thick bamboo tube and the former bamboo chip of arcuation are both needed to be dried (moisture content is less than 12%), carbonization.
Compound glue (phenol glue or larch tannin resin glue or the ecological glue without the formaldehyde) mix that described biological material or biomass inserts 3 and molding powder particle 5 are formed is uniform, biomass inserts 2 is the leaf of crops, stalk, stem, also includes bamboo wood, timber and the chip wood materials thereof discarded.
Described ropy or rattan shape thing 4 are nylon ropy or cloth or satchel, thin wire, are straw rope, all rattan shape things of nature or the fabric of rattan shape thing.
Its preparation method, it comprises the following steps:
The first step, by Structural Design Requirement making compound bamboo cylinder (or FRP cylinder):
1. select the raw straight former bamboo of 3-6, former bamboo is softened open and flat expansion, the flat glued by bamboo sheet (using phenol glue or the ecological glue without formaldehyde) launched is become wider bamboo clappers, then bamboo clappers is peeled into relatively thin bamboo fibre lamella；
Or the former thick bamboo tube chosen is divided into the former bamboo chip of same widths and length, carry out after going blue or green de-etiolation being dehydrated or be dried (moisture content is less than 12%), then it is carried out gluing and (use phenol glue, solid content is about 30%), under proper temperature (about 150 DEG C) and pressure (about 5MPa), it is compressed into meeting the bamboo integration plate material of Structural Design Requirement by forcing press, bamboo integration plate material is peeled into relatively thin bamboo fibre lamella；
Or the former thick bamboo tube chosen is divided into the bamboo chip of regular length and width, after going blue or green de-etiolation after serrated roller rolls in laterally not rupturing, longitudinal direction thin bamboo strips used for weaving the most loosely, the first moisture content 10% ~ 12% of thin bamboo strips used for weaving；Then the constant-pressure and high-temperature heat treatment box being placed on designed, designed carries out about 190 DEG C high-temperature heat treatment, then impregnations, and thin bamboo strips used for weaving impregnation resin content is 8% (ratio of oven dry weight), thin bamboo strips used for weaving baking temperature 70 DEG C after impregnation, is dried to moisture content less than 12%；Thin bamboo strips used for weaving is the most longitudinally organized embryo and loads mould, hot pressing uses " heat enter cold go out " technique, pressure 4. 5MPa, temperature 140 DEG C, it is compressed into meeting the bamboo wood recombinant material section bar of Architectural Design Requirements by forcing press, bamboo wood recombinant material section bar is fabricated to wider bamboo wood recombinant material sheet material again, bamboo wood recombinant material sheet material is peeled into relatively thin bamboo fibre lamella；
2. the size Selection cylinder inner mold needed according to building, inner mold is that high molecule nano material makes high voltage bearing inflatable bladders, form inner mold to airbag aeration when producing compound bamboo cylinder, make the complete venting of compound bamboo cylinder and just can take out air bag, very convenient；
3. along cylindrical inner mold external diameter, thin bamboo fibre lamella being wound ground floor by length direction, in this layer of rotary-cut thin bamboo plate, bamboo fibre direction is perpendicular to cylindrical inner mold length direction；
4. along cylindrical inner mold length direction, thin bamboo fibre lamella being wound the second layer by length direction, in the thin bamboo plate of the second layer, bamboo fibre is oriented parallel to cylindrical inner mold length direction；
5. making n-th layer, n >=3 and be odd number, this layer is identical with ground floor；
6. making (n+1)th layer, n >=3 and be odd number, this layer is identical with the second layer, repeats step the most 4. until the thickness (thickness is not less than 20mm) needed for compound bamboo cylinder；The adjacent two lamella length of bamboo fibre directions of whole compound bamboo cylinder are mutually perpendicular to；
Second step, selects to meet the straight former thick bamboo tube of the equal diameters of Structural Design Requirement, by the primary arcuation bamboo chip that the splitting of former for part thick bamboo tube is wider width (not less than 120mm)；With ropy, the hollow primary thick bamboo tube no less than 3 and the primary arcuation bamboo chip no less than 3 are banded together, form thick bamboo tube bamboo chip group；The most hollow primary thick bamboo tube is in the inner side of thick bamboo tube bamboo chip group, and hollow primary thick bamboo tube is close to each other, and primary arcuation bamboo chip is positioned at adjacent thick bamboo tube boundary recess outside thick bamboo tube bamboo chip group；Former thick bamboo tube and former bamboo chip are all through drying and dewatering；
3rd step, is fixed on the thick bamboo tube bamboo chip group stopped up in compound bamboo cylinder or FRP cylinder, and makes the centre of form of thick bamboo tube bamboo chip group 3 substantially overlap with the center of circle of compound bamboo cylinder or FRP cylinder 1；
4th step, after biomass material natural air drying or drying (moisture content is less than 12%), pulverizes through agricultural hay cutter or hammer slice type beating crusher, then mills；Compound glue (phenol glue or larch tannin resin glue or the ecological glue without the formaldehyde) mix that the biomass inserts generated after milling or biomass inserts 2 and molding powder particle 5 are formed is uniform, it is filled in the space between thick bamboo tube bamboo chip group and compound bamboo cylinder or FRP cylinder, and vibration compacting, carry out maintenance；
5th step, maintenance is complete, is cropped neat at two ends, is required porous compound bamboo or FRP biomass round member.
The thick bamboo tube bamboo chip group 3 of cross-sectional internal by primary thick bamboo tube hollow no less than 3 with no less than 3 primary arcuation bamboo chips by ropy or rattan shape thing 4 be lashed to together with and formed, and all thick bamboo tube diameter are equal, all primary arcuation bamboo chips are equal in magnitude, the centre of form of thick bamboo tube bamboo chip group 3 overlaps with the center of circle of compound bamboo cylinder or FRP cylinder 1, biomass inserts 2 or the compound that formed by biomass inserts 2 and molding powder particle 5 etc. are full of the gap between compound bamboo cylinder or FRP cylinder 1 and thick bamboo tube bamboo chip group 3.Described thick bamboo tube bamboo chip group 3 except can be formed hollow alleviate deadweight in addition to, be also important stress ingredient.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (1)
1. porous compound bamboo or the preparation method of FRP biomass round member, it is characterized in that, thick bamboo tube bamboo chip group (3) of round member cross-sectional internal by primary thick bamboo tube hollow no less than 3 with no less than 3 primary arcuation bamboo chips by ropy (4) be lashed to together with and formed, and all thick bamboo tube diameter are equal, all primary arcuation bamboo chips are equal in magnitude, the centre of form of thick bamboo tube bamboo chip group (3) overlaps with the center of circle of compound bamboo cylinder or FRP cylinder (1), it is full of the gap between compound bamboo cylinder or FRP cylinder (1) and thick bamboo tube bamboo chip group (3) by biomass inserts (2) or the compound that formed by biomass inserts (2) and molding powder particle (5)；Described thick bamboo tube bamboo chip group (3) except can be formed hollow alleviate deadweight in addition to, be also important stress ingredient；
The preparation method of porous compound bamboo or FRP biomass round member comprises the following steps:
The first step, by Structural Design Requirement making compound bamboo cylinder or FRP cylinder:
1. select the raw straight former bamboo of 3-6, former bamboo is softened open and flat expansion, the flat glued by bamboo sheet launched is become wider bamboo clappers, use phenol glue or the ecological glue without formaldehyde, then bamboo clappers is peeled into relatively thin bamboo fibre lamella；
Or the former thick bamboo tube chosen is divided into the former bamboo chip of same widths and length, carry out being dehydrated or being dried after going blue or green de-etiolation, moisture content is less than 12%, then it is carried out gluing, this glue uses phenol glue, and solid content is 30%, at temperature 150 DEG C and pressure 5MPa, it is compressed into meeting the bamboo integration plate material of Structural Design Requirement by forcing press, bamboo integration plate material is peeled into relatively thin bamboo fibre lamella；
Or the former thick bamboo tube chosen is divided into the bamboo chip of regular length and width, after going blue or green de-etiolation after serrated roller rolls in laterally not rupturing, longitudinal direction thin bamboo strips used for weaving the most loosely, the first moisture content 10% ~ 12% of thin bamboo strips used for weaving；Then the constant-pressure and high-temperature heat treatment box being placed on designed, designed carries out 190 DEG C of high-temperature heat treatment, then thin bamboo strips used for weaving impregnations, and impregnation resin content is the ratio of the oven dry weight of 8%, thin bamboo strips used for weaving baking temperature 70 DEG C after impregnation, is dried to moisture content less than 12%；Thin bamboo strips used for weaving is the most longitudinally organized embryo and loads mould, hot pressing uses " heat enter cold go out " technique, pressure 4. 5MPa, temperature 140 DEG C, it is compressed into meeting the bamboo wood recombinant material section bar of Architectural Design Requirements by forcing press, bamboo wood recombinant material section bar is fabricated to wider bamboo wood recombinant material sheet material again, bamboo wood recombinant material sheet material is peeled into relatively thin bamboo fibre lamella；
2. the size Selection cylinder inner mold needed according to building, inner mold is that high molecule nano material makes high voltage bearing inflatable bladders, form inner mold to airbag aeration when producing compound bamboo cylinder, make the complete venting of compound bamboo cylinder and just take out air bag, very convenient；
3. along cylindrical inner mold external diameter, thin bamboo fibre lamella being wound ground floor by length direction, in this layer of rotary-cut thin bamboo plate, bamboo fibre direction is perpendicular to cylindrical inner mold length direction；
4. along cylindrical inner mold length direction, thin bamboo fibre lamella being wound the second layer by length direction, in the thin bamboo plate of the second layer, bamboo fibre is oriented parallel to cylindrical inner mold length direction；
5. making n-th layer, n >=3 and be odd number, this layer is identical with ground floor；
6. making (n+1)th layer, n >=3 and be odd number, this layer is identical with the second layer, repeats step and is the most 4. not less than 20mm until the thickness needed for compound bamboo cylinder；The adjacent two lamella length of bamboo fibre directions of whole compound bamboo cylinder are mutually perpendicular to；
Second step, selects to meet the straight former thick bamboo tube of the equal diameters of Structural Design Requirement, and the splitting of former for part thick bamboo tube is not less than the primary arcuation bamboo chip of 120mm for width；With ropy, the hollow primary thick bamboo tube no less than 3 and the primary arcuation bamboo chip no less than 3 are banded together, form thick bamboo tube bamboo chip group；The most hollow primary thick bamboo tube is in the inner side of thick bamboo tube bamboo chip group, and hollow primary thick bamboo tube is close to each other, and primary arcuation bamboo chip is positioned at adjacent thick bamboo tube boundary recess outside thick bamboo tube bamboo chip group；Former thick bamboo tube and former bamboo chip are all through drying and dewatering；
3rd step, is fixed on the thick bamboo tube bamboo chip group stopped up in compound bamboo cylinder or FRP cylinder, and makes the centre of form of thick bamboo tube bamboo chip group (3) substantially overlap with the center of circle of compound bamboo cylinder or FRP cylinder (1)；
4th step, by biomass material natural air drying or drying, moisture content is less than 12%, pulverizes through agricultural hay cutter or hammer slice type beating crusher, then mills；Compound phenol glue that the biomass inserts generated after milling or biomass inserts (2) and molding powder particle (5) are formed or larch tannin resin glue or the ecological glue mix without formaldehyde are uniform, it is filled in the space between thick bamboo tube bamboo chip group and compound bamboo cylinder or FRP cylinder, and vibration compacting, carry out maintenance；
5th step, maintenance is complete, is cropped neat at two ends, is required porous compound bamboo or FRP biomass round member.
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| CN104612326B true CN104612326B (en) | 2016-08-17 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH644176A5 (en) * | 1979-08-03 | 1984-07-13 | Anton Heggenstaller | Multilayer beam with an extruded central layer consisting of fragments of vegetable matter |
| DE29916767U1 (en) * | 1999-09-23 | 2000-02-24 | SIEWERT GmbH für Kunststofftechnik, 75031 Eppingen | Extruded plastic profile |
| DE19915112A1 (en) * | 1999-04-01 | 2000-10-26 | Hanns Thaele | Heat insulating element for buildings comprizes plant stalk or stem material in tube form at angle to element boundary surfaces to combine light-permeability with ease of completion. |
| CN201627306U (en) * | 2009-10-27 | 2010-11-10 | 罗轶 | Foaming plastic composite bamboo |
| CN102635200A (en) * | 2012-04-25 | 2012-08-15 | 南京林业大学 | FRP (Fiberglass Reinforced Plastics), concrete and hollow original bamboo rectangular beam |
| CN102704622A (en) * | 2012-04-25 | 2012-10-03 | 南京林业大学 | FRP (fiber reinforced plastic), concrete and hollow original bamboo cylindrical beam |
| CN103306427A (en) * | 2013-06-20 | 2013-09-18 | 南京林业大学 | Hollow original bamboo steel fiber concrete beam or column member |
| WO2014001811A1 (en) * | 2012-06-27 | 2014-01-03 | Ecopole As | Support poles |
| CN204418524U (en) * | 2014-12-30 | 2015-06-24 | 南京林业大学 | A kind of porous compound bamboo cylinder bio-matrix round member |
-
2014
- 2014-12-30 CN CN201410834950.4A patent/CN104612326B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH644176A5 (en) * | 1979-08-03 | 1984-07-13 | Anton Heggenstaller | Multilayer beam with an extruded central layer consisting of fragments of vegetable matter |
| DE19915112A1 (en) * | 1999-04-01 | 2000-10-26 | Hanns Thaele | Heat insulating element for buildings comprizes plant stalk or stem material in tube form at angle to element boundary surfaces to combine light-permeability with ease of completion. |
| DE29916767U1 (en) * | 1999-09-23 | 2000-02-24 | SIEWERT GmbH für Kunststofftechnik, 75031 Eppingen | Extruded plastic profile |
| CN201627306U (en) * | 2009-10-27 | 2010-11-10 | 罗轶 | Foaming plastic composite bamboo |
| CN102635200A (en) * | 2012-04-25 | 2012-08-15 | 南京林业大学 | FRP (Fiberglass Reinforced Plastics), concrete and hollow original bamboo rectangular beam |
| CN102704622A (en) * | 2012-04-25 | 2012-10-03 | 南京林业大学 | FRP (fiber reinforced plastic), concrete and hollow original bamboo cylindrical beam |
| WO2014001811A1 (en) * | 2012-06-27 | 2014-01-03 | Ecopole As | Support poles |
| CN103306427A (en) * | 2013-06-20 | 2013-09-18 | 南京林业大学 | Hollow original bamboo steel fiber concrete beam or column member |
| CN204418524U (en) * | 2014-12-30 | 2015-06-24 | 南京林业大学 | A kind of porous compound bamboo cylinder bio-matrix round member |
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| CN104612326A (en) | 2015-05-13 |
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Application publication date: 20150513 Assignee: Hehai University Assignor: Nanjing Forestry University Contract record no.: 2018320000416 Denomination of invention: Porous composite bamboo or FRP biomass circular component and preparation method thereof Granted publication date: 20160817 License type: Common License Record date: 20181219 Application publication date: 20150513 Assignee: ZHEJIANG HONGGAOLIANG WOOD CO., LTD. Assignor: Nanjing Forestry University Contract record no.: 2018320000415 Denomination of invention: Porous composite bamboo or FRP biomass circular component and preparation method thereof Granted publication date: 20160817 License type: Common License Record date: 20181219 |
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Application publication date: 20150513 Assignee: SHANGHAI HORSE CONSTRUCTION Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2021320000080 Denomination of invention: Porous composite bamboo or FRP biomass circular member and its preparation method Granted publication date: 20160817 License type: Common License Record date: 20210917 |