CN109624015A - A kind of environment-friendly type density board and preparation method thereof of papermaking waste production - Google Patents
A kind of environment-friendly type density board and preparation method thereof of papermaking waste production Download PDFInfo
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- CN109624015A CN109624015A CN201811647387.4A CN201811647387A CN109624015A CN 109624015 A CN109624015 A CN 109624015A CN 201811647387 A CN201811647387 A CN 201811647387A CN 109624015 A CN109624015 A CN 109624015A
- Authority
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- Prior art keywords
- papermaking waste
- papermaking
- environment
- waste
- density board
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/0263—Mixing the material with binding agent by spraying the agent on the falling material, e.g. with the material sliding along an inclined surface, using rotating elements or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
Abstract
The present invention discloses a kind of environment-friendly type density board and preparation method thereof of papermaking waste production, which includes the following steps: that papermaking waste is ground into the waste paper-making composition granule of certain partial size by (1)；(2) defibrator is added in the waste paper-making composition granule obtained in step (1), obtains papermaking waste through mechanically decoupled；Spray-bonding craft is carried out to papermaking waste；(3) to defibrator process, treated that papermaking waste is dried；(4) material reaches spreading machine by feeder；(5) raw material paved is subjected to primary compression by compressor, hot press is sent into after compression and carries out hot pressing；(6) after hot pressing, subsequent processing is carried out to plate and is packed in storage.The invention has the advantages that saving timber usage amount, the dosage of timber is significantly reduced, its environmental benefit is increased, improves the utilization rate of timber, promotes product technology innovation, the innovation of process innovation and product of wood-based plate.
Description
Technical field
The present invention relates to be related to the field of building materials more particularly to a kind of papermaking waste production environment-friendly type density board and
Its production method.
Background technique
Industry of artificial boards is the important industry for efficiently utilizing timber resources, is the important hand for realizing the strategy of sustainable development
Section.In the case where the current forest reserves are increasingly reduced, forestry " residue " is made full use of to replace major diameter grade Wood products, it is right
, using woods resource, protection environment, meet the needs of economy and society development is to forestry in rationally, there is irreplaceable role.
China is paper-making industry big country, in paper-making process a large amount of residue -- papermaking waste is largely taken as fuel
Burn-up enters sewerage, not only cannot efficiently utilize, also cause greatly to destroy to ecological environment.Therefore, papermaking
Waste is converted into construction material and is recycled, and will be the project with Important Economic and social effect.
To sum up, the generally existing following problems of existing paper technology: a large amount of residue (the i.e. papermaking in 1. paper-making process
Waste), papermaking by-product is largely taken as fuel burn-up or enters sewerage, not only cannot efficiently utilize；2. making
A large amount of residue during paper -- papermaking by-product causes greatly to destroy to ecological environment.
Therefore, for a large amount of residue of existing paper technology in the paper making process -- papermaking by-product is most of
Be taken as fuel burn-up or enter sewerage, not only cannot efficiently utilize and paper-making process in a large amount of residue --
Papermaking by-product causes the problems such as greatly destroying to ecological environment, becomes those skilled in the art's technology urgently to be resolved and asks
Topic.
Summary of the invention
The present invention is to solve drawbacks described above in the prior art, provides a kind of environment-friendly type density board of papermaking waste production
And preparation method thereof, the usage amount of timber can be saved using this method, and improve the overall mechanical properties and product of density board
Quality.
To achieve the above object, the invention adopts the following technical scheme:
A kind of production method for the environment-friendly type density board that the first aspect of the invention makes there is provided papermaking waste,
Include the following steps:
(1) 100 parts of papermaking wastes are ground into the waste paper-making composition granule of certain partial size；
(2) defibrator is added in the waste paper-making composition granule obtained in step (1), obtains waste paper-making through mechanically decoupled
Object；Spray-bonding craft is carried out to papermaking waste, glue spraying amount is 5-30 parts, so that the relatively uniform spray attachment of glue is in papermaking waste table
Face；
(3) to defibrator process, treated that papermaking waste is dried, and makes its moisture control 50% hereinafter, control
Drying temperature is at 165-188 DEG C；
(4) material by feeder reach spreading machine, guarantee stone it is uniform so that Ban Pi mated formation set out it is close
Degree；
(5) by the raw material paved by compressor carry out primary compression, after making slab primary compression, be sent into hot press into
Row hot pressing stacks several slabs of precompressed to reach scheduled thickness when the requirement thickness of density board is thicker；
(6) after hot pressing, saw side, sanding subsequent processing are carried out to plate, and be packed in storage.
Further, the glue is urea-formaldehyde glue or phenol glue or ureaformaldehyde improves glue or phenolic aldehyde improves glue.
Further, papermaking waste described in step (1) be rotten slurry, it is screenings, wood skin, pulping waste liquor extract, siliceous
One or more of white clay.
Further, the glue, the glue are added in a manner of steam glue spraying at defibrator material outlet in step (2)
Dosage be 5-20 parts so that the glue is equably attached to surface of material
Further, the abrasive disk space of defibrator described in step (2) is controlled in 0.6-0.85mm, and Steam pressure control exists
0.65-0.75MPa。
Further, papermaking waste water content described in step (3) is 40%-50%, and partial size is in 5cm or less.
Further, drying process described in step (3) uses the formal pneumatic conveying drying of level-one, and heat is passed through air blast power traction
It leads drying materials, so that material obtains heat in the duct and vaporizes moisture, dry inlet temperature is 175 DEG C -180 DEG C,
Outlet temperature is 60-65 DEG C, and dried medium achievees the purpose that quick heat drying air using oil-gas heating heat exchanger fin group.
Further, the precompression of compression described in step (5) is 1.0mpa-2.0mpa, squeeze time 30s-60s；
At 190 ± 5 DEG C, pressure is controlled in 2.5-4.5mpa, hot pressing time in 15-30s/mm plate thickness for hot pressing temperature control.
The second aspect of the invention is to provide a kind of papermaking waste production environment-friendly type density of above method production
Plate.
The present invention by adopting the above technical scheme, compared with prior art, has the following technical effect that
Method provided by the invention makes full use of the residue (i.e. papermaking waste) in paper-making process, saves making for timber
Dosage improves the overall mechanical properties and product quality of density board simultaneously because papermaking waste is added in wood-fibred.
Specific embodiment
The present invention is described in more detail below by specific embodiment, for a better understanding of the present invention,
But following embodiments are not intended to limit the scope of the invention.
Embodiment 1
The production method for present embodiments providing a kind of environment-friendly type density board of papermaking waste production, this method include with
Lower step:
(1) 100 parts of papermaking wastes are ground into the waste paper-making composition granule of certain partial size；
(2) defibrator is added in the waste paper-making composition granule obtained in step (1), the abrasive disk space control of defibrator exists
0.6mm, Steam pressure control obtain papermaking waste through mechanically decoupled in 0.65MPa；Steam glue spraying is carried out to papermaking waste
Technique, the dosage of urea-formaldehyde glue are 15 parts, and the spray attachment that steam spray-bonding craft makes glue relatively uniform is in papermaking waste surface；
(3) to defibrator process, treated that papermaking waste is dried makes its moisture control in 40%-50%, control
Drying temperature is at 165 DEG C；
(4) material by feeder reach spreading machine, guarantee stone it is uniform so that Ban Pi mated formation set out it is close
Degree；
(5) by the raw material paved by compressor carry out primary compression, after making slab primary compression, be sent into hot press into
Row hot pressing, hot pressing time 15min, hot pressing temperature is 135 DEG C, when the requirement thickness of density board is thicker, by the several of precompressed
A slab is stacked to reach scheduled thickness；
(6) after hot pressing, the subsequent processes such as saw side, sanding are carried out to plate, and be packed in storage.
Embodiment 2
The production method for present embodiments providing a kind of environment-friendly type density board of papermaking waste production, this method include with
Lower step:
(1) 100 parts of papermaking wastes are ground into the waste paper-making composition granule of certain partial size；
(2) defibrator is added in the waste paper-making composition granule obtained in step (1), the abrasive disk space control of defibrator exists
0.6mm, Steam pressure control obtain papermaking waste through mechanically decoupled in 0.65MPa；Steam glue spraying is carried out to papermaking waste
Technique, the dosage of urea-formaldehyde glue are 20 parts, and the spray attachment that steam spray-bonding craft makes glue relatively uniform is in papermaking waste surface；
(3) to defibrator process, treated that papermaking waste is dried makes its moisture control in 40%-50%, control
Drying temperature is at 165 DEG C；
(4) material by feeder reach spreading machine, guarantee stone it is uniform so that Ban Pi mated formation set out it is close
Degree；
(5) by the raw material paved by compressor carry out primary compression, after making slab primary compression, be sent into hot press into
Row hot pressing, hot pressing time 15min, hot pressing temperature is 135 DEG C, when the requirement thickness of density board is thicker, by the several of precompressed
A slab is stacked to reach scheduled thickness；
(6) after hot pressing, the subsequent processes such as saw side, sanding are carried out to plate, and be packed in storage.
Embodiment 3
The production method for present embodiments providing a kind of environment-friendly type density board of papermaking waste production, this method include with
Lower step:
(1) 100 parts of papermaking wastes are ground into the waste paper-making composition granule of certain partial size；
(2) defibrator is added in the waste paper-making composition granule obtained in step (1), the abrasive disk space control of defibrator exists
0.6mm, Steam pressure control obtain papermaking waste through mechanically decoupled in 0.65MPa；Steam glue spraying is carried out to papermaking waste
Technique, the dosage of urea-formaldehyde glue is at 25 parts, and the spray attachment that steam spray-bonding craft makes glue relatively uniform is in papermaking waste surface；
(3) to defibrator process, treated that papermaking waste is dried makes its moisture control in 40%-50%, control
Drying temperature is at 165 DEG C；
(4) material by feeder reach spreading machine, guarantee stone it is uniform so that Ban Pi mated formation set out it is close
Degree；
(5) by the raw material paved by compressor carry out primary compression, after making slab primary compression, be sent into hot press into
Row hot pressing, hot pressing time 15min, hot pressing temperature is 135 DEG C, when the requirement thickness of density board is thicker, by the several of precompressed
A slab is stacked to reach scheduled thickness；
(6) after hot pressing, the subsequent processes such as saw side, sanding are carried out to plate, and be packed in storage.
Comparative example
The production method for present embodiments providing a kind of comparative example density board, is calculated according to the mass fraction, composition and content
It is as follows:
The embodiment of the invention provides a kind of production methods of comparative example, comprising the following steps:
(1) the wooden fragment of 100 parts of pine cutting laminating production specifications is provided to better item to carry out fiber separation for it
Then part is carried out preheating boiling and obtains preheating wood chip；
(2) defibrator is added in the preheating wood chip obtained in step (1), the abrasive disk space control of defibrator is steamed in 0.6mm
Steam pressure control obtains fiber through mechanically decoupled in 0.65MPa；To fiber carry out steam spray-bonding craft, the dosage of glue at 15 parts,
The spray attachment that steam spray-bonding craft makes glue relatively uniform is in fiber surface；
(3) to defibrator process, treated that fiber papermaking waste is dried makes its moisture control in 40%-50%,
Drying temperature is controlled at 165 DEG C；
(4) material by feeder reach spreading machine, guarantee stone it is uniform so that Ban Pi mated formation set out it is close
Degree；
(5) by the raw material paved by compressor carry out primary compression, after making slab primary compression, be sent into hot press into
Row hot pressing, hot pressing time 15min, hot pressing temperature is 135 DEG C, when the requirement thickness of density board is thicker, by the several of precompressed
A slab is stacked to reach scheduled thickness；
(6) after hot pressing, the subsequent processes such as saw side, sanding are carried out to plate, and be packed in storage.
Static bending strength is carried out using three-point bending method according to standard GB/T17657 measurement density, according to GB/T11718 standard
With the measurement of elasticity modulus, expansion rate of water absorption is tested according to specified in GB/T17657, and the result is shown in shown in table 1:
Table 1
Through result as can be seen that using technique and consumption proportion of the invention in the case where density is constant, mechanical property
It can enhance, expansion rate of water absorption reduces.
The present invention is directed to a large amount of residue (i.e. papermaking waste) the big portion of existing paper technology in the paper making process
Point be taken as fuel burn-up or enter sewerage, not only cannot efficiently utilize and paper-making process in a large amount of residue
Object -- papermaking by-product causes the problems such as greatly destroying ecological environment, and method provided by the invention makes full use of paper-making process
In residue (i.e. papermaking waste), save the usage amount of timber, simultaneously because papermaking waste is added in wood-fibred, mention
The high overall mechanical properties and product quality of density board.
Above the specific embodiment of the environment-friendly type density board method of this practical papermaking waste production retouch in detail
It states, but it is merely an example, the present invention is not restricted to particular embodiments described above.For those skilled in the art
Speech, any equivalent modifications and substitutions to the present invention are also within the scope of the present invention.Therefore, the present invention is not being departed from
Spirit and scope under made equal transformation and modification, all should be contained within the scope of the invention.
Claims (9)
1. a kind of production method of the environment-friendly type density board of papermaking waste production, which comprises the steps of:
(1) 100 parts of papermaking wastes are ground into the waste paper-making composition granule of certain partial size；
(2) defibrator is added in the waste paper-making composition granule obtained in step (1), obtains papermaking waste through mechanically decoupled；It is right
Papermaking waste carries out spray-bonding craft, and glue spraying amount is 5-30 parts, so that the relatively uniform spray attachment of glue is in papermaking waste surface；
(3) to defibrator process, treated that papermaking waste is dried, and makes its moisture control 50% hereinafter, control drying
Temperature is at 165-188 DEG C；
(4) material reaches spreading machine by feeder, guarantees that stone is uniform, so that Ban Pi is through the density set out of mating formation；
(5) raw material paved is subjected to primary compression by compressor, after making slab primary compression, is sent into hot press and carries out heat
Pressure, when the requirement thickness of density board is thicker, several slabs of precompressed are stacked to reach scheduled thickness；
(6) after hot pressing, saw side, sanding subsequent processing are carried out to plate, and be packed in storage.
2. the production method of the environment-friendly type density board of papermaking waste production according to claim 1, which is characterized in that institute
Stating glue is that urea-formaldehyde glue or phenol glue or ureaformaldehyde improve glue or phenolic aldehyde improvement glue.
3. the production method of the environment-friendly type density board of papermaking waste production according to claim 1, which is characterized in that step
Suddenly papermaking waste described in (1) is one or more of rotten slurry, screenings, wood skin, pulping waste liquor extract, siliceous white clay.
4. the production method of the environment-friendly type density board of papermaking waste production according to claim 1, which is characterized in that step
Suddenly the glue is added in a manner of steam glue spraying at defibrator material outlet in (2).
5. the production method of the environment-friendly type density board of papermaking waste production according to claim 1, which is characterized in that step
Suddenly the abrasive disk space of defibrator described in (2) is controlled in 0.6-0.85mm, and Steam pressure control is in 0.65-0.75MPa.
6. the production method of the environment-friendly type density board of papermaking waste production according to claim 1, which is characterized in that step
Suddenly papermaking waste water content described in (3) is 40%-50%, and partial size is in 5cm or less.
7. the production method of the environment-friendly type density board of papermaking waste production according to claim 1, which is characterized in that step
Suddenly drying process described in (3) uses the formal pneumatic conveying drying of level-one, and heat is guided by air blower by drying materials, so that object
Material obtains heat in the duct and vaporizes moisture, and dry inlet temperature is 175 DEG C -180 DEG C, and outlet temperature is 60-65 DEG C, does
Dry medium achievees the purpose that quick heat drying air using oil-gas heating heat exchanger fin group.
8. the production method of the environment-friendly type density board of papermaking waste production according to claim 1, which is characterized in that step
Suddenly the precompression of compression described in (5) is 1.0mpa-2.0mpa, squeeze time 30s-60s；Hot pressing temperature is controlled 190 ± 5
DEG C, pressure is controlled in 2.5-4.5mpa, hot pressing time in 15-30s/mm plate thickness.
9. a kind of papermaking waste such as any one of claim 1-8 the method production makes environment-friendly type density board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811647387.4A CN109624015A (en) | 2018-12-29 | 2018-12-29 | A kind of environment-friendly type density board and preparation method thereof of papermaking waste production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811647387.4A CN109624015A (en) | 2018-12-29 | 2018-12-29 | A kind of environment-friendly type density board and preparation method thereof of papermaking waste production |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306552A (en) * | 2008-06-30 | 2008-11-19 | 中国林业科学研究院木材工业研究所 | Artificial board made from paper-making sludge, method for manufacturing same and deodorization process |
| CN101306587A (en) * | 2008-06-30 | 2008-11-19 | 中国林业科学研究院木材工业研究所 | Artificial board made from paper-making sludge, method for manufacturing same and deodorization process |
| CN101332622A (en) * | 2008-06-30 | 2008-12-31 | 中国林业科学研究院木材工业研究所 | Artificial board manufactured by paper-making sludge and manufacture method thereof and deodorization method |
| CN101372160A (en) * | 2008-06-30 | 2009-02-25 | 中国林业科学研究院木材工业研究所 | Artificial board produced from papermaking sludge and method for producing the same as well as deodorizing method |
| CN101618565A (en) * | 2009-04-28 | 2010-01-06 | 王勇 | Manufacture method of environment-friendly wood substrate composite material |
| CN101733809A (en) * | 2009-11-12 | 2010-06-16 | 刘保军 | Method for manufacturing formed plate by utilizing papermaking wastes |
| CN102172948A (en) * | 2011-01-28 | 2011-09-07 | 广西大学 | Surface infiltrated wood fiber board and production method thereof |
| CN102514071A (en) * | 2011-11-30 | 2012-06-27 | 广西新凯骅实业集团股份有限公司 | Low glue consumption method for making medium density fiberboard |
| CN102776806A (en) * | 2012-07-26 | 2012-11-14 | 刘保军 | Method for preparing formed panel by papermaking waste |
| CN103482948A (en) * | 2013-08-14 | 2014-01-01 | 金东纸业（江苏）股份有限公司 | Production method of panel |
| CN104179054A (en) * | 2014-08-11 | 2014-12-03 | 六盘水宽林桐业有限公司 | Method for producing medium-density fiberboard through branches and trunk of ricinus communis and stalks of miscanthus |
| CN106079027A (en) * | 2016-08-23 | 2016-11-09 | 辽宁蓝亿实业有限公司 | A kind of medium-density plate manufacture method strengthening sheet material soundproof effect |
| CN106393386A (en) * | 2016-11-22 | 2017-02-15 | 叙永县象实竹木业有限责任公司 | Artificial board composed of bamboo and fibers-and-plastic containing papermaking solid waste and manufacturing process of artificial board |
| CN107083074A (en) * | 2017-06-04 | 2017-08-22 | 李家友 | A kind of preparation method of the ageing-resistant acoustic tile based on alkali lignin base |
-
2018
- 2018-12-29 CN CN201811647387.4A patent/CN109624015A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306552A (en) * | 2008-06-30 | 2008-11-19 | 中国林业科学研究院木材工业研究所 | Artificial board made from paper-making sludge, method for manufacturing same and deodorization process |
| CN101306587A (en) * | 2008-06-30 | 2008-11-19 | 中国林业科学研究院木材工业研究所 | Artificial board made from paper-making sludge, method for manufacturing same and deodorization process |
| CN101332622A (en) * | 2008-06-30 | 2008-12-31 | 中国林业科学研究院木材工业研究所 | Artificial board manufactured by paper-making sludge and manufacture method thereof and deodorization method |
| CN101372160A (en) * | 2008-06-30 | 2009-02-25 | 中国林业科学研究院木材工业研究所 | Artificial board produced from papermaking sludge and method for producing the same as well as deodorizing method |
| CN101618565A (en) * | 2009-04-28 | 2010-01-06 | 王勇 | Manufacture method of environment-friendly wood substrate composite material |
| CN101733809A (en) * | 2009-11-12 | 2010-06-16 | 刘保军 | Method for manufacturing formed plate by utilizing papermaking wastes |
| CN102172948A (en) * | 2011-01-28 | 2011-09-07 | 广西大学 | Surface infiltrated wood fiber board and production method thereof |
| CN102514071A (en) * | 2011-11-30 | 2012-06-27 | 广西新凯骅实业集团股份有限公司 | Low glue consumption method for making medium density fiberboard |
| CN102776806A (en) * | 2012-07-26 | 2012-11-14 | 刘保军 | Method for preparing formed panel by papermaking waste |
| CN103482948A (en) * | 2013-08-14 | 2014-01-01 | 金东纸业（江苏）股份有限公司 | Production method of panel |
| CN104179054A (en) * | 2014-08-11 | 2014-12-03 | 六盘水宽林桐业有限公司 | Method for producing medium-density fiberboard through branches and trunk of ricinus communis and stalks of miscanthus |
| CN106079027A (en) * | 2016-08-23 | 2016-11-09 | 辽宁蓝亿实业有限公司 | A kind of medium-density plate manufacture method strengthening sheet material soundproof effect |
| CN106393386A (en) * | 2016-11-22 | 2017-02-15 | 叙永县象实竹木业有限责任公司 | Artificial board composed of bamboo and fibers-and-plastic containing papermaking solid waste and manufacturing process of artificial board |
| CN107083074A (en) * | 2017-06-04 | 2017-08-22 | 李家友 | A kind of preparation method of the ageing-resistant acoustic tile based on alkali lignin base |
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Application publication date: 20190416 |
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