CN104369251A - Manufacturing method cotton straw composite artificial board - Google Patents

Manufacturing method cotton straw composite artificial board Download PDF

Info

Publication number
CN104369251A
CN104369251A CN201310351944.9A CN201310351944A CN104369251A CN 104369251 A CN104369251 A CN 104369251A CN 201310351944 A CN201310351944 A CN 201310351944A CN 104369251 A CN104369251 A CN 104369251A
Authority
CN
China
Prior art keywords
cotton stalk
hot pressing
applying glue
waterproofing agent
glue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310351944.9A
Other languages
Chinese (zh)
Inventor
蒋华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201310351944.9A priority Critical patent/CN104369251A/en
Publication of CN104369251A publication Critical patent/CN104369251A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B27N3/02Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08Moulding or pressing
    • B27N3/10Moulding of mats

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

The invention provides a manufacturing method of a cotton straw composite artificial board. The method has the advantages that the homogeneous particleboard and fiberboard of the composite artificial board are produced by using cotton straw as main raw material, timber as auxiliary raw material and urea resin or melamine modified urea resin as adhesives, the cotton straw does not form hemp-shaped fiber agglomerates during board manufacturing, and the water absorption thickness swelling rate of the manufactured particleboard and fiberboard meets the requirements.

Description

A kind of manufacture method of cotton stalk composite artificial board
Technical field
The present invention relates to a kind of manufacture method of cotton stalk composite artificial board.
Background technology
Cotton stalk is the residue of Cotton Production, and China produces cotton stalk about 2,000 ten thousand tons every year and is mainly used as fuel at present, and a large amount of cotton stalks does not obtain efficiency utilization.Cotton stalk mainly contains cellulose, hemicellulose and lignin composition, is similar to the chemical composition of broadleaf.Due to the current timber resource shortage of China, there is lack of raw materials for the production of fiberboard and particieboard for wood-based panel industry, if therefore cotton stalk can be used for the production of wood-based plate, not only can solve the problem of China's wood-based plate commercial wood raw material resources shortage, and searched out outlet for the efficiency utilization of cotton stalk, add the income in vast farmers land area of one unit.
China once adopted cotton stalk to be used for the raw materials for production of particieboard and the raw materials for production of wet-process fiber board in the latter stage eighties, had no and produced dry medium density fibreboard with cotton stalk.But stop production one after another afterwards, again change adopting timber to be raw material, mainly relevant technology does not solve.Its technical problem underlying has two: one to be form numb shape coma, not only occluding device and transport pipeline because the crust containing a large amount of bast fiber of cotton stalk not easily cuts off when slicing wood shavings, and easily on fire and applying glue is mated formation difficulty; Two is that the particieboard of cotton stalk production and the thickness swelling rate of fiberboard are difficult to reach requirement, and above-mentioned two technical problem underlying cause China to there is no the artificial board enterprise of an employing cotton stalk as raw materials for production.
Summary of the invention
The object of this invention is to provide a kind of manufacture method of cotton stalk composite artificial board, with crops cotton stalk for primary raw material, take timber as auxiliary material, Lauxite or cyanurotriamide modified urea resin is adopted to be adhesive, produce a kind of homogeneous chipboard and fiberboard of composite artificial board, and cotton stalk can not form numb shape coma in solution manufacturing process, the particieboard of production and the thickness swelling rate of fiberboard reach requirement.
The present invention is to provide a kind of manufacture method of composite building board from wood based cotton stalk, and its step is,
One, cotton stalk cuts off, and by the moisture control of cotton stalk after 18-20%, being cut into length is that the segment of 1.5-2.5cm is for subsequent use;
Moisture content is the cotton stalk section of 18-20% by two, flaking, and adopt pulverizer to make wood shavings particle, its length is 3-25mm, and width is 1-10mm, and thickness is 3-5mm;
Three, dry, adopt air-flowing type drying means and cylindrical drier, carry out drying to cotton stalk wood shavings particle, baking temperature scope is 90-150 DEG C, and dry final moisture content is 3-5%;
Four, screen, dried cotton stalk is sent into siccative storehouse, dried wooden shavings particle 1:3-3:1 ratio on request and cotton stalk wood shavings particle Homogeneous phase mixing;
Five, applying glue, the cotton stalk of mixing and the even applying glue of compound of wooden shavings particle are glued together, add waterproofing agent, the applying glue ratio of urea-formaldehyde glue or melamine modified urea-formaldehyde glue is 8-12%; The applied amount of waterproofing agent is 0.5-2%;
Six, mat formation, the compound after applying glue is mated formation into the slab thickness of requirement;
Seven, hot pressing, the slab paved is carried out hot pressing, and hot pressing temperature controls at 160-200 DEG C, hot pressing pressure at 2-3.5Mpa, hot pressing time be 15-30 second/mm sheet metal thickness;
Eight, cutting edge, forms a kind of particieboard product.
The present invention is to provide a kind of manufacture method of cotton stalk composite artificial board, the steps include:
One, cotton stalk cuts off, and by the moisture control of cotton straw pavilion after 18-20%, being cut into length is that the segment of 1.5-2.5cm is for subsequent use;
Moisture content is the cotton stalk section of 18-20% by two, flaking, and adopt ring flaker or beater grinder to make wood shavings particle, its length 3-25mm, width is 1-10mm, and thickness is 3-5mm;
Three, dry, adopt air-flowing type drying means and cylindrical drier, carry out drying to cotton stalk wood shavings particle, baking temperature scope is 90-150 DEG C, and dry final moisture content is 3-5%;
Four, screen, dried cotton stalk is sent into siccative storehouse, dried wooden shavings particle, 1:3-3:1 ratio on request and cotton stalk wood shavings particle Homogeneous phase mixing;
Five, applying glue, by cotton stalk wood shavings particle and wooden shavings particle, add waterproofing agent by difference applying glue gummed, the applying glue ratio of urea-formaldehyde glue or melamine modified urea-formaldehyde glue is 8-12%; The applied amount of waterproofing agent is mix in timber cotton stalk wood shavings ratio on request after 0.5-2%;
Six, mat formation, the compound after applying glue is mated formation into the slab thickness of requirement;
Seven, hot pressing, the slab paved is carried out hot pressing, and hot pressing temperature controls at 160-200 DEG C, hot pressing pressure at 2-3.5Mpa, hot pressing time be 12-30 second/mm sheet metal thickness;
Eight, cutting edge, forms a kind of particieboard product.
The present invention can utilize cotton stalk fully, to alleviate timber resources anxiety, maintains the ecological balance, protection of the environment, and makes the manufacturing cost of particieboard and fibreboard product reduce 10-20%.
Detailed description of the invention
The first embodiment of the present invention is a kind of manufacture method of particieboard:
One, cotton stalk cuts off: by the moisture control of cotton stalk after 18-20%, and being cut into length is that the segment of 1.5-2.5cm is for subsequent use.
Two, flaking: be that the cotton stalk section of 18-20% adopts ring flaker or beater grinder to make wood shavings particle by moisture content, its length is 3-25mm, and width is 1-10mm, and thickness is 3-5mm.
Three, dry: adopt air-flowing type drying means and cylindrical drier, carry out drying to cotton stalk wood shavings particle, baking temperature scope is 90-150 DEG C, dry final moisture content is 3-5%.
Four, screen: dried cotton stalk is sent into siccative storehouse, dried wooden shavings particle, can 1:3-3:1 and cotton stalk wood shavings particle Homogeneous phase mixing by the ratio of the required.
Five, applying glue: the cotton stalk of mixing and the even applying glue of compound of wooden shavings particle are glued together and add waterproofing agent, the applying glue ratio of urea-formaldehyde glue or melamine modified urea-formaldehyde glue is 8-12%; The applied amount of waterproofing agent is 0.5-2%.
Six, mat formation: the slab thickness of the compound after applying glue being mated formation into requirement, air-flowing type method for paving or air-flow mechanical formula method for paving (all belonging to routine techniques) can be adopted.
Seven, hot pressing: the slab paved is sent into multidaylight press, carried out hot pressing, and hot pressing temperature controls at 160-200 DEG C; Hot pressing pressure is at 2-3.5MPa; Hot pressing time be 15-30 second/mm sheet metal thickness.
Eight, cutting edge: form a kind of particieboard product.
The second embodiment of the present invention is the manufacture method of another kind of particieboard:
One, cotton stalk cuts off: by the moisture control of cotton stalk after 18-20%, and being cut into length is that the segment of 1.5-2.5cm is for subsequent use.
Two, flaking: be that the cotton stalk section of 15-20% adopts ring flaker or beater grinder to make wood shavings particle by moisture content, its length is 3-25mm, and width is 1-10mm, and thickness is 3-5mm.
Three, dry: adopt air-flowing type drying means and cylindrical drier to carry out drying to cotton stalk wood shavings particle, baking temperature scope is 90-150 DEG C, dry final moisture content is 3-5%.
Four, screen: dried cotton stalk is sent into siccative storehouse, dried wooden shavings particle, can 1:3-3:1 and cotton stalk wood shavings particle Homogeneous phase mixing by the ratio of the required at this moment.
Five, applying glue: cotton stalk wood shavings particle and wooden shavings particle glued together by applying glue respectively and add waterproofing agent, the applying glue ratio of urea-formaldehyde glue or melamine modified urea-formaldehyde glue is 8-12%; The applied amount of waterproofing agent is after 0.5-2%; Mix in timber cotton stalk wood shavings ratio on request.
Six, mat formation: the slab thickness of the compound after applying glue being mated formation into requirement, air-flowing type method for paving or air-flow mechanical formula method for paving (all belonging to routine techniques) can be adopted.
Seven, hot pressing: the slab paved is sent into multidaylight press or single drylight presses or continuous flow press and carries out hot pressing, hot pressing temperature controls at 160-200 DEG C; Hot pressing pressure is at 2-3.5MPa; Hot pressing time be 15-30 second/mm sheet metal thickness.
Eight, cutting edge, forms another kind of particieboard product.
The present invention's advantage compared with prior art:
1, the cotton stalk adopting a kind of wide material sources cheap is as raw materials for production.
2, by the moisture control of raw material and the control of cotton stalk shearing length, the impact of cotton stalk bast fiber on wood shavings preparation and heat grinding slurry technique is eliminated.
3, by by timber and cotton stalk manufacture particieboard used in combination and fiberboard, solve the technical problem that can only adopt single raw material making sheet, two kinds of raw materials are complemented one another, improve the simple too high problem of cotton stalk water absorption rate.
The present invention solves above-mentioned two problems by adopting new technique:
The first, solve cotton stalk phloem fiber by moisture content when controlling straw pavilion shearing length and slicing wood shavings and affect production problem, specifically be implemented as follows: adopt drum-type cutting machine and special chaffcutter to be cut into length at 1.5-2.5cm, moisture content during cut-out must control at 15-20%, then moisture content is strictly controlled when flaking at 15-20%, the wood shavings of such manufacture in process of production, can be eliminated and cause the phenomenon of producing difficulty by the conglomeration of cotton stalk bast fiber.
The second, by being mixed into the method for wooden shavings and lumber fibre in the wood shavings or fiber of cotton stalk, solve the simple problem using producing fibre from cotton stalk to affect sheet material physical property, the ratio (1:3-3:1) that wood particle and fiber mix with cotton stalk wood shavings and fibre.

Claims (3)

1. the manufacture method of a cotton stalk composite artificial board, the step of its feature is: one, cotton stalk cuts off, by the moisture control of cotton stalk after 18-20%, being cut into length is that the segment of 1.5-2.5cm is for subsequent use, two, flaking, and be the cotton stalk section of 18-20% by moisture content, pulverizer is adopted to make wood shavings particle, its length is 3-25mm, and width is 1-10mm, and thickness is 3-5mm; Three, dry, adopt air-flowing type drying means and cylindrical drier, drying is carried out to cotton stalk wood shavings particle, baking temperature scope is 90-150 DEG C, dry final moisture content is 3-5%, four, screen, dried cotton stalk is sent into siccative storehouse, dried wooden shavings particle 1:3-3:1 ratio on request and cotton stalk wood shavings particle Homogeneous phase mixing, five, applying glue, the cotton stalk of mixing and the even applying glue of compound of wooden shavings particle are glued together, add waterproofing agent, the applying glue ratio of urea-formaldehyde glue or melamine modified urea-formaldehyde glue is 8-12%; The applied amount of waterproofing agent is 0.5-4%, six, mat formation, compound after applying glue is mated formation into the slab thickness of requirement, seven, hot pressing, the slab paved is carried out hot pressing, and hot pressing temperature controls at 160-200 DEG C, hot pressing pressure is at 2-3.5Mpa, hot pressing time be 12-30 second/mm sheet metal thickness, eight, cutting edge, form a kind of particieboard product.
2. according to the manufacture method of cotton stalk composite artificial board according to claim 1, it is characterized by: in described step 2, flaking adopts ring flaker or beater grinder to make wood shavings particle; In described step 5 Process of Applying Glue, by cotton stalk wood shavings particle and wooden shavings particle, by difference applying glue gummed, add waterproofing agent, the applying glue ratio of urea-formaldehyde glue or melamine modified urea-formaldehyde glue is 8-12%; The applied amount of waterproofing agent is 0.5-2%, and then, then timber cotton stalk wood shavings ratio on request mixes.
3. a manufacture method for cotton stalk composite artificial board, the step of its feature is, one, cotton stalk cuts off, by the moisture control of cotton stalk after 18-20%, being cut into length is that the segment of 1.5-2.5cm is for subsequent use; Two, defibrator process, the cotton stalk after cutting off on request and wood chip by the ratio of the required 1:3-3:1 mix and carry out heat grinding slurry, and the steam pressure of defibrator is 2-5kg/cm2, and prepared fibre length is 0.3-4mm; Three, applying glue is dry, and adopt the defibrator process after dryer sizing method synchronous with drying to carry out, waterproofing agent also applies at this moment; Resin added and the waterproofing agent applied amount of cotton stalk are respectively 10-14% and 1-2%, and resin added and the waterproofing agent applied amount of lumber fibre are respectively 8-12% and 0.5-1%, and the moisture content of the fiber after applying glue is dried to 8-12%; Four, mat formation, compound dried after applying glue is mated formation into the slab thickness of requirement; Five, hot pressing, hot pressing temperature 160-200 DEG C; Hot pressing pressure 2.5-4MPa; Hot pressing time be 15-30 second/mm; Six, cutting edge, forms a kind of fibreboard product.
CN201310351944.9A 2013-08-14 2013-08-14 Manufacturing method cotton straw composite artificial board Pending CN104369251A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310351944.9A CN104369251A (en) 2013-08-14 2013-08-14 Manufacturing method cotton straw composite artificial board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310351944.9A CN104369251A (en) 2013-08-14 2013-08-14 Manufacturing method cotton straw composite artificial board

Publications (1)

Publication Number Publication Date
CN104369251A true CN104369251A (en) 2015-02-25

Family

ID=52548573

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310351944.9A Pending CN104369251A (en) 2013-08-14 2013-08-14 Manufacturing method cotton straw composite artificial board

Country Status (1)

Country Link
CN (1) CN104369251A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105235044A (en) * 2014-07-09 2016-01-13 高云 Manufacturing method for wood-based cotton stalk composite artificial board
CN105345911A (en) * 2015-09-30 2016-02-24 信阳美丽真好秸秆新材科技有限公司 Flame-retardant straw shaving board and manufacturing method thereof
CN107322747A (en) * 2017-06-14 2017-11-07 杭州沛诺包装科技有限公司 A kind of processing method of the molded tray of the material based on cotton stalk
CN109227859A (en) * 2018-10-18 2019-01-18 上海景新信息科技有限公司 A kind of manufacturing method of cotton stalk Formaldehyde Free Wood-based Panel
CN110900778A (en) * 2019-12-16 2020-03-24 清华大学 Plant fiber artificial board and preparation method and application thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105235044A (en) * 2014-07-09 2016-01-13 高云 Manufacturing method for wood-based cotton stalk composite artificial board
CN105345911A (en) * 2015-09-30 2016-02-24 信阳美丽真好秸秆新材科技有限公司 Flame-retardant straw shaving board and manufacturing method thereof
CN107322747A (en) * 2017-06-14 2017-11-07 杭州沛诺包装科技有限公司 A kind of processing method of the molded tray of the material based on cotton stalk
CN107322747B (en) * 2017-06-14 2019-05-17 杭州沛诺包装科技有限公司 A kind of processing method with the molded tray that cotton stalk is basic material
CN109227859A (en) * 2018-10-18 2019-01-18 上海景新信息科技有限公司 A kind of manufacturing method of cotton stalk Formaldehyde Free Wood-based Panel
CN110900778A (en) * 2019-12-16 2020-03-24 清华大学 Plant fiber artificial board and preparation method and application thereof
CN110900778B (en) * 2019-12-16 2021-05-14 清华大学 Plant fiber artificial board and preparation method and application thereof

Similar Documents

Publication Publication Date Title
CN105235044A (en) Manufacturing method for wood-based cotton stalk composite artificial board
CN100503191C (en) Method for fabricating composite building board from wood based cotton stalk
CN104339434A (en) Method for producing composite artificial boards by cotton stalks
CN102179856B (en) High-intensity shaving board and manufacturing method thereof
CN101642925B (en) Urea formaldehyde resin adhesive medium density fiber board utilizing castor bean stalk as raw material
CN102179857B (en) High-strength fiberboard and manufacturing method thereof
CN101058207B (en) Maize stalk and/or wheat stalk composite board and its manufacturing method
CN101486216B (en) Desert shrub composite fibre board and method of manufacturing the same
CN102218758B (en) High-strength light plate material and manufacture method thereof
CN102001121B (en) Method for producing bark mixed medium-density fiber plate
CN101879739A (en) Manufacturing method for environmental-friendly fire-retardant fiber board
CN103878858A (en) Method for manufacturing formaldehyde-free bamboo and wood fiberboard
CN104369251A (en) Manufacturing method cotton straw composite artificial board
CN101244580A (en) Method for producing antennaria dioica flakeboard
CN103406970A (en) Method for manufacturing flame-retardant medium-high density fiberboard
CN103770188A (en) Straw composite board and production method
CN104626329A (en) Aldehyde-free shaving board and production method and application thereof
CN104647558A (en) Manufacturing method of environment friendly flame retardant medium density fiber board
CN105150343A (en) High-density fiberboard with absorption performance enhanced by adding modified paper sludge and preparation method thereof
CN102225569B (en) High-strength inorganic artificial board and manufacturing method thereof
CN105128118A (en) Sound absorption and heat preservation high-density fiberboard capable of being used as house partition plate and preparation method of sound absorption and heat preservation high-density fiberboard
EP3135811B1 (en) Production method of pulp derived from biomass for producing composite boards
CN104179054B (en) By castor-oil plant limb, Chinese silvergrass stem stalk for the production of the method for medium density fibre board (MDF)
CN107398981A (en) A kind of manufacture method of cotton stalk composite artificial board
CN102658578B (en) Method for manufacturing fiberboard by using laccase-activated lignosulfonate

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150225

WD01 Invention patent application deemed withdrawn after publication