CN104760112B - A kind of method that utilization Sunflower Pole prepares medium/high density fiber board - Google Patents

A kind of method that utilization Sunflower Pole prepares medium/high density fiber board Download PDF

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CN104760112B
CN104760112B CN201510048394.2A CN201510048394A CN104760112B CN 104760112 B CN104760112 B CN 104760112B CN 201510048394 A CN201510048394 A CN 201510048394A CN 104760112 B CN104760112 B CN 104760112B
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sunflower
piece
high density
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fiber board
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CN104760112A (en
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张东翔
张欣宏
张恭
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Beijing Hua Lu Science And Technology Ltd
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Beijing Hua Lu Science And Technology Ltd
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Abstract

The invention discloses a kind of method that utilization Sunflower Pole prepares medium/high density fiber board, belong to wood-based plate field.Methods described be chipped successively after Sunflower Pole is spontaneously dried, selection by winnowing, screening, washing, storage, softening, defibrator process, applying glue, applying wax, drying, mat formation, precompressed, hot pressing, buck, mitre saw side and sanding processing obtain the medium/high density fiber board.The fiberboard can increase substitute for wood, slow down the nervous problem of China's wood supply.After testing, methods described makees raw material using the dry Sunflower Pole of moisture content 10% or so, naturally more than 90% can be reached except marrow, the fiberboard of preparation meets the requirement of the medium/high density fiber board of the furniture type used under the dry state of the regulations of standard GB/T/T11718 2009, so as to turn waste into wealth, increase the income of peasant.

Description

A kind of method that utilization Sunflower Pole prepares medium/high density fiber board
Technical field
The present invention relates to a kind of method that utilization Sunflower Pole prepares medium/high density fiber board, belong to wood-based plate field.
Background technology
Sunflower is a kind of acid and alkali-resistance, light, the crops of drought resisting.It is extremely harsh to growth conditions, it is desirable to 40 degree of north latitude with The few suitable condition of upper, sunshine-duration length, rainfall just can be eugenic.China Inner Mongolia Autonomous Region, Xinjiang and northeast are partly Area is adapted to sunflower planting conditions.The Hetao area in the Inner Mongol is per Annual planting area up to more than 300 ten thousand mu, and the Hetao area is planted for many years The history of sunflower is planted, pure green, free of contamination planting base is formd.And because the temperature difference, soil, weather, illumination etc. are special Sunflower oil unrighted acid, the linoleic acid content of condition production are high, and vitamin E and multiple nutritional components are high, and oil content is high, product Matter is stable.Sunflower oil bright color, pure taste, unsaturated fatty acid content is up to 90%, linoleic acid content more than 17%, and Height is containing a variety of nutritions needed by human such as vitamin E, vitamin B, folic acid, iron, potassium, zinc.Sunflower oil is nutrition and health care Grease, be also that the preferred oil of edible oil one of is planted.But up to the present, sunflower is only that make use of sunflower seeds, accounts for sunflower ratio The maximum Sunflower Pole of example is not utilized.Sunflower Pole as the part of peasant in addition to material is burnt, then other no purposes.Give birth to every year A large amount of Sunflower Poles be deposited in before the room of peasant behind the house, abandon and grown on trees in field.Prolonged storage makes Sunflower Pole rotten It is rotten rotten, not only make the good wasting of resources, while being also the hidden danger of fire, cause environmental pollution.Make full use of these good Good resource is extremely urgent, and local government leaders of the Party and the government have been fully recognized that the importance for developing these resources.Exploitation Using not only turning waste into wealth, while the income of peasant can be increased again, the living standard of peasant is improved.Fire can be eliminated again The pollution of hidden danger and environment, while can give country's increase a number of substitute for wood again, for alleviating China's timber resources Nervous situation have great significance.
Sunflower Pole is mainly made up of outer skin zone, xylem, heart.Outer skin zone is very thin, rough surface hairiness, micro- to have undercoat Thorn, there is section and internode, and outer skin zone accounts for the weight very little of Sunflower Pole.The property of Sunflower Pole is mainly determined by xylem.Xylem Density is 0.352 gram/cm3Left and right, compared with timber, Sunflower Pole xylem is coarse loose, and longitudinal direction is easy to crack.Heart is by sponge Shape material composition, medulla is very soft, and medulla space between cells is full of air, white is presented, medulla spongy material is by parenchyma cell Composition, its intensity is very low, to the no benefit of raising of fiberboard intensity.
It is as follows to one plant of representational Sunflower Pole measurement result:Sunflower Pole average diameter 29.16mm;Sunflower bar segment is averaged Length 49.24mm;Sunflower Pole xylem thickness 3.686mm;When moisture content is 5.86%, xylem weight 4.211g;When aqueous When rate is 5.86%, heart weight 0.581g;The cumulative volume of test specimen is 131.47cm3;Test specimen medulla volume 73.4cm3;Test specimen wood Matter portion volume 16.6cm3;Test specimen unit weight 0.036g/cm3;Test specimen medulla unit weight 0.007g/cm3;Test specimen xylem unit weight 0.25g/ cm3;It is 87.33% that test specimen medulla volume, which accounts for total volume percent,;Test specimen xylem volume accounts for total volume percent and is 12.67%;It is 89.05% that test specimen xylem weight, which accounts for total weight percent,;Test specimen medulla weight accounts for total weight percent and is 10.95%.
It is seen from the above data that medulla volume accounts for cumulative volume 87.33%, its weight only accounts for the 10.95% of gross weight; And xylem volume accounts for cumulative volume 12.67%, its xylem weight accounts for gross weight 89.05%.It follows that xylem determines certain herbaceous plants with big flowers Line rod gross weight, xylem determines the property of Sunflower Pole.Medulla is very light, and intensity is very low, not good to medium density fibre board (MDF) quality Place, in process as far as possible remove medulla, medulla can as peasant domestic animal first-class protein feed.
The fibre morphology table of the xylem of table 1
The Sunflower Pole of table 2 is compared with other raw fibre forms
Two tables can be seen that 693 μm of the average fiber length of Sunflower Pole more than, be all higher than desert shrub, Wu Liu, sand Willow, caragana microphylla, sea-buckthorn.Understand that its intensity of the fiberboard of Sunflower Pole production is better than the fiberboard of desert shrub from this.
The cell membrane chamber ratio of Sunflower Pole is less than the intertexture between desert shrub, the fiberboard of this material production, fiber Can be good, the intensity of fiberboard is good.
The Sunflower Pole of table 3 is compared with the chemical composition of other materials
The chemical composition of Sunflower Pole is mainly cellulose, hemicellulose and lignin, also a small amount of sugar, grease thing, wax, list It is peaceful etc..Cellulose and lignin are the main components for constituting fibre strength, and the cellulose and lignin content of Sunflower Pole are low, but Sunflower Pole Fiber finer and grow, add specific surface area, also increase bonding capacity, overcome cellulose and the low defect of lignin.
In summary, it was found from the fibre morphology and chemical composition data of Sunflower Pole, Sunflower Pole is the excellent of production fiberboard Deng raw material.
1.1 tons of Sunflower Pole (moisture content accounts for 8% or so) can produce in 1 cubic metre (height) density fiber board.Only China's river bend As many as 800,000 tons of Sunflower Pole is often produced in area per year, and these Sunflower Poles can produce the ten thousand stere of medium density fibre board (MDF) 72.Each cubic meter Medium density fibre board (MDF) can replace three cubic metres of timber, and all production medium density fibre board (MDF) can for the Sunflower Pole that only Hetao area is often produced per year Instead of 216 ten thousand stere timber, these timber are all bigger than the year cutting of the Northwest timber, it is known that, produced using Sunflower Pole In (height) density fiber board it is significant.
The content of the invention
In view of this, it is an object of the invention to provide a kind of method that utilization Sunflower Pole prepares medium/high density fiber board, Methods described makees raw material using the dry Sunflower Pole of moisture content 10% or so, can reach more than 90% except marrow naturally, preparation it is medium/high Density fiber board meets national standard (GB/T11718-2009) regulation requirement.
The purpose of the present invention is realized by following technical scheme:
A kind of method that utilization Sunflower Pole prepares medium/high density fiber board, methods described is comprised the following steps that:
(1) spontaneously dry
Natural air drying processing is carried out to Sunflower Pole, the Sunflower Pole that moisture content is 8~10% is obtained;
(2) chip
Processing of chipping is carried out to dried Sunflower Pole, obtains what is be made up of medulla and length for 3~50mm sunflower piece Mixed material;
Described chip is preferred to use drum chipper;The charging roller of the wood chipping equipment is 2~3 pairs, cutting tool sharpening Angle is 23 °~27 °, and grit hole is 4~6cm2
(3) selection by winnowing, screening
Sunflower piece in mixed material is separated with medulla using wind-force, length is re-started for 35~50mm sunflower piece Chip processing, the sunflower piece that length is less than 10mm is removed, obtain the sunflower piece that length is 10~35mm, as standby sunflower piece;
(4) wash, store
Washing process is carried out to standby sunflower piece, and the standby sunflower piece after washing is stored into 1~2h in feed bin, is contained Water rate is 45~50% sunflower piece;
The washing is preferred to use spiral rinsing machine;
(5) softening, defibrator process
Softening and defibrator process processing are carried out to the sunflower piece after step (4) processing, fiber is obtained;
It is described to soften the boiling cylinder for being preferred to use defibrator, wherein, the steam pressure of boiling cylinder is 4.5~6kg/cm2, steam The time is boiled for 4~6 minutes;The defibrator process is preferred to use defibrator, wherein, the feed auger of defibrator is cone, charging aperture Size is 30~40cm, and the axial compressive force of defibrator is 2~3kg/cm2
(6) applying glue, applying wax
Paraffin and sizing material are added into the fiber, is well mixed, obtains composite fibre;
Wherein, the addition of sizing material is the 11 ± 1% of dry fiber weight;The addition of paraffin is every cubic metre of fiberboard 4 ~8 kilograms of solid paraffins;The preferred Lauxite of sizing material;
(7) dry
Processing is dried to the composite fibre after applying glue applying wax, the dry fibers that moisture content is 8~10% are obtained;
The drying, which is preferred to use in drying duct, pipeline, is passed through hot-air and fiber, and dried medium is hot-air, its In, it is 125 DEG C ± 5 DEG C to dry tube inlet hot air temperature, and outlet hot air temperature is 85 DEG C ± 5 DEG C, and drying time is 4 seconds;
(8) mat formation and precompressed
Dried fiber is mated formation, slab band is obtained;Precompressed processing is carried out to slab band, obtain thickness for 20~ 25cm slab;
It is described mat formation be preferred to use vacuum pneumatic spreading machine;The precompressed is preferred to use continous way prognosis machine;
(9) hot pressing
The slab band is subjected to sawing processing, the slab being of the required size;Heat is carried out to the slab after sawing Pressure processing, obtains flash plate;
The hot pressing uses multi-daylight press, and hot pressing temperature is 150 DEG C~180 DEG C, and pressure is 18~20kg/cm2, hot pressing Time is 8~10 minutes;
(10) post-process
Buck, mitre saw side and sanding are carried out to flash plate successively, fiberboard of the present invention is obtained.
Beneficial effect
(1) the method for the invention be on the basis of the preparation method using (height) density fiber board in timber, according to The property of Sunflower Pole, is improved to the preparation technology, the medium/high density fiber board prepared meet standard GB/T/ T11718-2009 provides the requirement of the medium/high density fiber board of the furniture type used under dry state.
(2) the method for the invention can turn waste into wealth, and increase the income of peasant.
Sunflower Pole is agricultural crop straw, is often produced per year once.The Sunflower Pole heap in annual postpartum is abandoned in field and peasant household Around the house, peasant can only be with part as material is burnt, and other are again without what purposes.It is long-term to stack, slowly spontaneously dry and be easy to Cause fire, also result in the pollution of environment.Sometimes fired off in field, but this method is also inadvisable.Set fire burning Stalk, stains air, discharges substantial amounts of carbon dioxide, and environment is polluted again.Medium/high density fiber board is produced using stalk not only can Useful substitute for wood is produced, while can solve problem of environmental pollution again, twice laid is turned waste into wealth;
In addition, peasant sells Sunflower Pole every year can increase peasant economy income, their living standard is improved.In addition, certain herbaceous plants with big flowers Line rod produces medium/high density fiber board and produces substantial amounts of sunflower medulla, and the medulla is rich in abundant vegetable protein, Sunflower Pole Medulla is the good feed of peasant domestic animal, and such as pig, sheep, ox, chicken domestic animal all like medulla feed.So, in Sunflower Pole production/ The by-product of high density fiberboard is as the feed of domestic animal, and peasant can obtain a part of economic interests, increase income again.
(3) medium/high density fiber board prepared by the method for the invention can increase substitute for wood, slow down China's timber confession Should nervous problem.
Embodiment
The present invention, but not limited to this are described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of method that utilization Sunflower Pole prepares medium density fibre board (MDF), methods described is comprised the following steps that:
(1) spontaneously dry
Natural air drying processing is carried out to Sunflower Pole, the Sunflower Pole that moisture content is 8~10% is obtained;
(2) chip
Using feed roller be 2 pairs, cutting tool sharpening angle be 23 °, grit hole be 4cm2Drum chipper to drying Sunflower Pole afterwards carries out processing of chipping, and obtains the mixed material being made up of medulla and length for 3~50mm sunflower piece;
(3) selection by winnowing, screening
Sunflower Pole natural longitudinal cracking, sunflower medulla and xylem natural separation, the mixed material after chipping after chipping It is transported to the end of belt feeder and scatters naturally, lighter medulla is blown out using wind-force, is fallen under sunflower piece nature on screen cloth, The sunflower piece that length is 35~50mm is re-started into processing of chipping by screening, the sunflower piece that length is less than 10mm is removed, obtained To the sunflower piece that length is 10~35mm, as standby sunflower piece;
(4) wash, store
Due to being mixed with substantial amounts of silt and stone, fragile cutter in the standby sunflower piece, therefore utilize spiral rinsing machine Washing process is carried out to standby sunflower piece, and the standby sunflower piece after washing is stored into 1h in feed bin, makes sunflower piece outer surface Moisture inner layer is moved, and to balancing water content, obtains the sunflower piece that moisture content is 45~50%;
(5) softening, defibrator process
Boiling cylinder is added to the sunflower piece after step (4) processing, the steam pressure of regulation boiling cylinder is 4.5kg/cm2, under Boiling 6 minutes;Defibrator process processing is carried out to the sunflower piece after boiling using defibrator, fiber is obtained;Wherein, the charging spiral shell of defibrator Revolve for cone, feed gap dimension is 30~40cm, and the axial compressive force of defibrator is 2~3kg/cm2, the gap between two mills As raw material sofening treatment degree and fiber quality requirement can be adjusted at any time;
(6) applying glue, applying wax
Paraffin is added into the fiber, (addition is that every cubic metre of fiberboard adds 6 kilograms of solid paraffins) and ureaformaldehyde tree Fat sizing material (addition is the 11% of dry fiber weight), is well mixed, obtains composite fibre;
(7) dry
The composite fibre after applying glue, applying wax is added in drying duct using drying duct, using hot-air as dried medium, It is 125 DEG C ± 5 DEG C to control drying duct entrance hot air temperature, and outlet hot air temperature is 85 DEG C ± 5 DEG C, fine to the mixing Dimension is dried, and obtains the dry fibers that moisture content is 8~10%;Wherein, drying time is 4 seconds;
(8) mat formation and precompressed
Dried fiber is mated formation using vacuum pneumatic spreading machine, slab band is obtained;Utilize continuous prepress Precompressed processing is carried out to slab band, the slab that thickness is 20cm is obtained;
(9) hot pressing
The slab band is subjected to sawing processing, the slab being of the required size;Using multi-daylight press to sawing Slab afterwards carries out hot-pressing processing, obtains flash plate;Wherein, hot pressing temperature is 150 DEG C, and pressure is 18kg/cm2, hot pressing time For 10 minutes;
(10) post-process
Buck and mitre saw side are carried out to flash plate successively, 1220 × 2440mm standard plate is formed;To the standard Sheet material carries out sanding, obtains fiberboard of the present invention.The thickness of the fiberboard is 10.15mm, and length is 2440.1mm, wide Spend for 1220.15;The information such as its dimensional discrepancy, density and deviation are as shown in table 4.
The dimensional discrepancy of table 4, density and deviation and water content requirement
As known from Table 4, according to the method for the invention, the fiberboard produced using Sunflower Pole meet standard GB/T/ T11718-2009 provides the medium density fibre board (MDF) of the furniture type used under dry state.
Embodiment 2
A kind of method that utilization Sunflower Pole prepares medium density fibre board (MDF), methods described is comprised the following steps that:
(1) spontaneously dry
Natural air drying processing is carried out to Sunflower Pole, the Sunflower Pole that moisture content is 8~10% is obtained;
(2) chip
Using feed roller be 3 pairs, cutting tool sharpening angle be 27 °, grit hole be 5cm2Drum chipper to drying Sunflower Pole afterwards carries out processing of chipping, and obtains the mixed material being made up of medulla and length for 3~50mm sunflower piece;
(3) selection by winnowing, screening
Sunflower Pole natural longitudinal cracking, sunflower medulla and xylem natural separation, the mixed material after chipping after chipping It is transported to the end of belt feeder and scatters naturally, lighter medulla is blown out using wind-force, is fallen under sunflower piece nature on screen cloth, The sunflower piece that length is 35~50mm is re-started into processing of chipping by screening, the sunflower piece that length is less than 10mm is removed, obtained To the sunflower piece that length is 10~35mm, as standby sunflower piece;
(4) wash, store
Due to being mixed with substantial amounts of silt and stone, fragile cutter in the standby sunflower piece, therefore utilize spiral rinsing machine Washing process is carried out to standby sunflower piece, and the standby sunflower piece after washing is stored into 1.5h in feed bin, makes sunflower piece outer surface The movement of moisture inner layer, to balancing water content, obtain the sunflower piece that moisture content is 45~50%;
(5) softening, defibrator process
The boiling cylinder of defibrator is added to the sunflower piece after step (4) processing, the steam pressure of regulation boiling cylinder is 5kg/ cm2, boiling 5 minutes;Defibrator process processing is carried out to the sunflower piece after boiling using defibrator, fiber is obtained;Wherein, defibrator enters Material spiral is cone, and feed gap dimension is 30~40cm, and the axial compressive force of defibrator is 2~3kg/cm2, between two mills Gap can be adjusted at any time with raw material sofening treatment degree and fiber quality requirement;
(6) applying glue, applying wax
Paraffin is added into the fiber, addition is every cubic metre of 7 kilograms of fiberboard) and sizing material (addition is dry fibre Tie up weight 11%), be well mixed, obtain composite fibre;
(7) dry
The composite fibre after applying glue, applying wax is added in drying duct using drying duct, using hot-air as dried medium, It is 125 DEG C ± 5 DEG C to control drying duct entrance hot air temperature, and outlet hot air temperature is 85 DEG C ± 5 DEG C, fine to the mixing Dimension is dried, and obtains the dry fibers that moisture content is 8~10%;Wherein, drying time is 4 seconds;
(8) mat formation and precompressed
Dried fiber is mated formation using vacuum pneumatic spreading machine, slab band is obtained;Utilize continous way prognosis machine Precompressed processing is carried out to slab band, it is slab band thick 22cm to obtain thickness;
(9) hot pressing
The slab band is subjected to sawing processing, the slab being of the required size;Using multi-daylight press to sawing Slab afterwards carries out hot-pressing processing, obtains flash plate;Wherein, hot pressing temperature is 160 DEG C, and pressure is 18kg/cm2, hot pressing time For 9 minutes;
(10) post-process
Buck and mitre saw side are carried out to flash plate successively, 1220 × 2440mm standard plate is formed;To the standard Sheet material carries out sanding, obtains fiberboard of the present invention.The thickness of the fiberboard is 10.15mm, and length is 2440.1mm, wide Spend for 1220.15;The information such as its dimensional discrepancy, density and deviation are as shown in table 5.
The dimensional discrepancy of table 5, density and deviation and water content requirement
As known from Table 5, according to the method for the invention, the fiberboard produced using Sunflower Pole meet standard GB/T/ T11718-2009 provides the medium density fibre board (MDF) of the furniture type used under dry state.
Embodiment 3
A kind of method that utilization Sunflower Pole prepares high density fiberboard, methods described is comprised the following steps that:
(1) spontaneously dry
Natural air drying processing is carried out to Sunflower Pole, the Sunflower Pole that moisture content is 8~10% is obtained;
(2) chip
Using feed roller be 3 pairs, cutting tool sharpening angle be 25 °, grit hole be 6cm2Drum chipper to drying Sunflower Pole afterwards carries out processing of chipping, and obtains the mixed material being made up of medulla and length for 3~50mm sunflower piece;
(3) selection by winnowing, screening
Sunflower Pole natural longitudinal cracking, sunflower medulla and xylem natural separation, the mixed material after chipping after chipping It is transported to the end of belt feeder and scatters naturally, lighter medulla is blown out using wind-force, is fallen under sunflower piece nature on screen cloth, The sunflower piece that length is 35~50mm is re-started into processing of chipping by screening, the sunflower piece that length is less than 10mm is removed, obtained To the sunflower piece that length is 10~35mm, as standby sunflower piece;
(4) wash, store
Due to being mixed with substantial amounts of silt and stone, fragile cutter in the standby sunflower piece, therefore utilize spiral rinsing machine Washing process is carried out to standby sunflower piece, and the standby sunflower piece after washing is stored into 2h in feed bin, makes sunflower piece outer surface Moisture inner layer is moved, and to balancing water content, obtains the sunflower piece that moisture content is 45~50%;
(5) softening, defibrator process
Boiling cylinder is added to the sunflower piece after step (4) processing, the steam pressure of regulation boiling cylinder is 6kg/cm2, boiling 4 Minute;Defibrator process processing is carried out to the sunflower piece after boiling using defibrator, fiber is obtained;Wherein, the feed auger of defibrator is Cone, feed gap dimension is 30~40cm, and the axial compressive force of defibrator is 2~3kg/cm2, gap between two mills with Raw material sofening treatment degree and fiber quality requirement can be adjusted at any time;
(6) applying glue, applying wax
Paraffin (addition is 7 kilograms of solid paraffins of every cubic metre of fiberboard) and urea-formaldehyde resin adhesive are added into the fiber Material (addition is the 11% of dry fibers weight), is well mixed, obtains composite fibre;
(7) dry
The composite fibre after applying glue, applying wax is put into drying duct using drying duct, using hot-air as dried medium, It is 125 DEG C ± 5 DEG C to control drying duct entrance hot air temperature, and outlet hot air temperature is 85 DEG C ± 5 DEG C, fine to the mixing Tie up and dried into composite fibre row, obtain the dry fibers that moisture content is 8~10%;Wherein, drying time is 4 seconds;
(8) mat formation and precompressed
Dried fiber is mated formation using vacuum pneumatic spreading machine, slab band is obtained;Utilize continous way prognosis machine Precompressed processing is carried out to slab band, the slab that thickness is 25cm is obtained;
(9) hot pressing
The slab is subjected to sawing processing, the slab being of the required size;Using multi-daylight press to sawing after Slab carry out hot-pressing processing, obtain plate blank;Wherein, hot pressing temperature is 180 DEG C, and pressure is 20kg/cm2, hot pressing time is 8 Minute;
(10) post-process
Buck and mitre saw side are carried out to flash plate successively, 1220 × 2440mm standard plate is formed;To the standard Sheet material carries out sanding, obtains fiberboard of the present invention.The thickness of the fiberboard is 10.15mm, and length is 2440.1mm, wide Spend for 1220.15;The information such as its dimensional discrepancy, density and deviation are as shown in table 6.
The dimensional discrepancy of table 6, density and deviation and water content requirement
As known from Table 6, according to the method for the invention, the high density fiberboard produced using Sunflower Pole meets national standard GB/T11718-2009 provides the high density fiberboard of the furniture type used under dry state.
The present invention include but is not limited to above example, it is every carried out under the principle of spirit of the present invention it is any equivalent Replace or local improvement, all will be regarded as within protection scope of the present invention.

Claims (6)

1. a kind of method that utilization Sunflower Pole prepares medium/high density fiber board, it is characterised in that:Methods described specific steps are such as Under:
(1) spontaneously dry
Natural air drying processing is carried out to Sunflower Pole, the Sunflower Pole that moisture content is 8~10% is obtained;
(2) chip
Processing of chipping is carried out to dried Sunflower Pole, the mixing being made up of medulla and length for 3~50mm sunflower piece is obtained Material;
(3) selection by winnowing, screening
Sunflower piece in mixed material is separated with medulla using wind-force, length is re-started for 35~50mm sunflower piece and chipped Processing, the sunflower piece that length is less than 10mm is removed, and obtains the sunflower piece that length is 10~35mm, as standby sunflower piece;
(4) wash, store
Washing process is carried out to standby sunflower piece, and the standby sunflower piece after washing is stored into 1~2h in feed bin, moisture content is obtained For 45~50% sunflower piece;
(5) softening, defibrator process
Softening and defibrator process processing are carried out to the sunflower piece after step (4) processing, fiber is obtained;
(6) applying glue, applying wax
Paraffin and sizing material are added into the fiber, is well mixed, obtains composite fibre;
(7) dry
Processing is dried to the composite fibre after applying glue applying wax, the dry fibers that moisture content is 8~10% are obtained;
(8) mat formation and precompressed
Dried fiber is mated formation, slab band is obtained;Precompressed processing is carried out to slab band, thickness is obtained for 20~25cm Slab;
(9) hot pressing
The slab is subjected to sawing processing, the slab being of the required size;Hot-pressing processing is carried out to the slab after sawing, Obtain flash plate;
(10) post-process
Buck, mitre saw side and sanding are carried out to flash plate successively, the fiberboard is obtained;
Wherein, step (5) softening uses boiling cylinder, wherein, the steam pressure of boiling cylinder is 4.5~6kg/cm2, during boiling Between be 4~6 minutes;The defibrator process uses defibrator, wherein, the feed auger of defibrator is cone, and feed gap dimension is 30 ~40cm, axial compressive force is 2~3kg/cm2
The addition of step (6) described sizing material is the 11 ± 1% of step (7) described dry fiber weight;The addition of paraffin is system Standby every cubic metre of fiberboard adds 4~8 kilograms of solid paraffins;
Step (9) described hot pressing uses multi-daylight press, and hot pressing temperature is 150 DEG C~180 DEG C, and pressure is 18~20kg/cm2, heat The pressure time is 8~10 minutes.
2. the method that a kind of utilization Sunflower Pole according to claim 1 prepares medium/high density fiber board, it is characterised in that: Described chip of step (2) uses drum chipper;The charging roller of the wood chipping equipment is 2~3 pairs, and cutting tool sharpening angle is 23 °~27 °, grit hole is 4~6cm2
3. the method that a kind of utilization Sunflower Pole according to claim 1 prepares medium/high density fiber board, it is characterised in that: Step (4) washing uses spiral rinsing machine.
4. the method that a kind of utilization Sunflower Pole according to claim 1 prepares medium/high density fiber board, it is characterised in that: The sizing material is Lauxite.
5. the method that a kind of utilization Sunflower Pole according to claim 1 prepares medium/high density fiber board, it is characterised in that: Step (7) described drying uses drying duct, and dried medium is hot-air, wherein, it is 125 DEG C to dry tube inlet hot air temperature ± 5 DEG C, outlet hot air temperature is 85 DEG C ± 5 DEG C, and drying time is 4 seconds.
6. the method that a kind of utilization Sunflower Pole according to claim 1 prepares medium/high density fiber board, it is characterised in that: Step (8) is described to mat formation using vacuum pneumatic spreading machine;The precompressed uses continuous prepress.
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CN105666632B (en) * 2016-01-25 2018-01-19 新沂市大自然木业有限公司 A kind of manufacture method of antitheft door door-plate environment friendly corrosion protection medium density fibre board (MDF)
CN105690538B (en) * 2016-01-25 2018-01-19 新沂市大自然木业有限公司 A kind of manufacture method of laminated flooring environmental protection flame retardant medium density fibre board (MDF)
CN106493823A (en) * 2016-11-15 2017-03-15 苍南宇诺新材料科技有限公司 Modern fibre plate processing method
CN107009479A (en) * 2017-04-05 2017-08-04 云浮市贞英木业有限公司 A kind of preparation method of high density fiberboard
CN110115653A (en) * 2019-06-12 2019-08-13 封林 Children facilitate orthopaedics bracket
CN110900777A (en) * 2019-10-22 2020-03-24 河南晖睿智能科技有限公司 Preparation method of flame-retardant waterproof fiberboard for architectural decoration

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1253072A (en) * 1998-10-29 2000-05-17 徐振明 Technology for manufacturing structural materials or boards with wood fibre stem or stalk
CN1221671A (en) * 1998-12-29 1999-07-07 肖纪 Woody plant stalks compact board, shaving board, multilayered board and its prepn. tech.
JP2002283313A (en) * 2001-03-27 2002-10-03 Matsushita Electric Works Ltd Method and apparatus for manufacturing fiberboard
DE102004011931B4 (en) * 2004-03-11 2006-09-14 Kronotec Ag Insulation board made of a wood-material-binder fiber mixture
CN102172929B (en) * 2011-01-11 2015-06-17 刘金忠 Technique for producing wood bundle board by using straws
CN102172948A (en) * 2011-01-28 2011-09-07 广西大学 Surface infiltrated wood fiber board and production method thereof

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