CN101092043A - Method for fabricating artificial boards - Google Patents
Method for fabricating artificial boards Download PDFInfo
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- CN101092043A CN101092043A CN 200710054842 CN200710054842A CN101092043A CN 101092043 A CN101092043 A CN 101092043A CN 200710054842 CN200710054842 CN 200710054842 CN 200710054842 A CN200710054842 A CN 200710054842A CN 101092043 A CN101092043 A CN 101092043A
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Abstract
The invention discloses a method to make building board that includes the following steps: taking cutting process to at least two kinds of stalk; separating the impurity in the stalk; drying the stalk and filtering; separating the qualified material into surface layer material and core layer material and sending to surface material bunker and core layer bunker respectively; measuring and control surface material quantity, core material quantity and glue blending quantity, mixing the material to equal; applying isocyanic acid fat glue to the material; using the material covering surface layer and core layer to form equal flat material blank; hot pressing the material to mould to form convex edge; cooling the convex edge; cutting the convex edge to form building board. The method uses stalk as raw material that could solve the problem of wood resource shortage.
Description
Technical field
The present invention relates to a kind of method of making wood-based plate, particularly a kind of method of utilizing the stalk manufacturing wood-based plate of two or more crops.
Background technology
China is large agricultural country, and crops all have plantation in China various places, and annual agricultural crop straw class residue reaches more than 1,000,000,000 ton.Main at present as fuel, a large amount of agricultural crop straws are not efficiently utilized.Agricultural crop straw mainly is made up of cellulose, hemicellulose and lignin, is similar to the chemical composition of broadleaf.Because present China timber resource shortage, wood-based panel industry is used to produce particieboard, and there is lack of raw materials, if therefore the stalk of crops can be used for the production of wood-based plate, not only can solve the problem of China's wood-based panel industry wood raw material shortage of resources, and find outlet for the efficient utilization of agricultural crop straw.
Compare with the timber wood-based plate, there are some difficult points in artificial board of straw on production technology, and some does not satisfactorily resolve so far as yet, for example because the straw special nature, adopt the general bonding agent of wood-based plate in making, be difficult to the bonding strength that reaches satisfied, also can't satisfy the manufacturer's standard of wood-based plate.
Summary of the invention
The objective of the invention is provides a kind of method of making wood-based plate by some embodiment, makes the stalk of two or more crops can be used to make the wood-based plate that meets the wood-based plate standard.
Previous embodiment of the present invention specifically may further comprise the steps:
The foreign material that mix in step 2, the above-mentioned stalk of separation;
The present invention makes the method for wood-based plate, makes the stalk of two or more crops can be used to make wood-based plate, thereby has solved the problem of China's timber resource shortage effectively, and has found outlet for the efficient utilization of agricultural crop straw; In addition, adopt isocyanate adhesive, can reach satisfied bonding strength, also can reach the manufacturer's standard of wood-based plate.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 makes the flow chart of wood-based plate method for the present invention;
Fig. 2 is the flow chart of first embodiment of the invention;
Fig. 3 is the flow chart of second embodiment of the invention.
The specific embodiment
Fig. 1 makes the flow chart of wood-based plate method for the present invention, and as shown in Figure 1, this method comprises:
The foreign material that mix in step 2, the above-mentioned stalk of separation;
Wherein, after adopting chaffcutter or hog respectively at least two kinds of stalks to be cut off processing, adopt airflow separator to separate the foreign material that mix in the stalk, adopting the rotator type chip dryer that stalk is carried out drying then handles, send into oscillating riddle, material is screened, through the metering transporter, belt claims to measure respectively with the resin added control device, control table, sandwich layer inventory and resin added, various mixing of materials are even, then to various material applying glues, mat formation, hot pressing forms blanket, cools off above-mentioned blanket 20-50 minute, above-mentioned blanket is cut apart, formed wood-based plate.
This method makes the stalk of two or more crops can be used to make wood-based plate, thereby has solved the problem of China's timber resource shortage effectively, and has found outlet for the efficient utilization of agricultural crop straw; In addition, adopt isocyanate adhesive, can reach satisfied bonding strength, also can reach the manufacturer's standard of wood-based plate.
Fig. 2 is the flow chart of first embodiment of the invention, utilizes two kinds of agricultural crop straws to make wood-based plate.Above-mentioned two kinds of agricultural crop straws are straw and cotton stalk, utilize flow process that these two kinds of stalks make wood-based plates as shown in Figure 2:
One, cut off: through chaffcutter, hog cuts off straw and cotton stalk;
Two, separate: separate through the foreign material that airflow separator will be mixed in wherein;
Three, dry screening: after rotator type chip dryer drying, send into oscillating riddle, material is screened, qualified material is delivered to table, sandwich layer feed bin through blower fan;
Four, mix: metering and control table respectively, sandwich layer inventory and resin added thereof, with two kinds of materials in 1: 3-3: 1 ratio mixes;
Five, applying glue: to the wood shavings applying glue;
Six, mat formation: the wood shavings after the applying glue are delivered to table, sandwich layer spreading machine respectively through belt conveyer and bucket elevator, take on evenly smooth slab on the backing plate upper berth by spreading machine;
Seven, hot pressing: through belt conveyer, continous way preformer, flying cut-off saw, acceleration transporter, metering transporter, equipment such as dress plate transporter, loader are transported in the multi-daylight press hot-forming;
Eight, the cooling: hair plates through unloader, unload plate transporter, backing plate separator, equipment such as feed roller platform are delivered to the buck machine, after staying for some time in the buck machine;
Nine, cut apart: hair plates is sent in length and breadth the cutting edge shear and is cut apart, and forms wood-based plate at last.
Above-mentioned two kinds of agricultural crop straws can be replaced by other agricultural crop straw, and mixed proportion is decided as the case may be.
Fig. 3 is the flow chart of second embodiment of the invention, utilizes three kinds of agricultural crop straws to make wood-based plate.Above-mentioned three kinds of agricultural crop straws are respectively straw, cotton stalk and wheat straw, utilize flow process that these three kinds of stalks make wood-based plates as shown in Figure 3:
One, cut off: through chaffcutter, hog cuts off straw, cotton stalk and wheat straw;
Two, separate: separate through the foreign material that airflow separator will be mixed in wherein;
Three, dry screening: after rotator type chip dryer drying, send into oscillating riddle, material is screened, qualified material is delivered to table, sandwich layer feed bin through blower fan;
Four, mix: metering and control table respectively, sandwich layer inventory and resin added thereof mix the ratio of three kinds of materials in 1: 3: 4;
Five, applying glue: to the wood shavings applying glue;
Six, mat formation: the wood shavings after the applying glue are delivered to table, sandwich layer spreading machine respectively through belt conveyer and bucket elevator, take on evenly smooth slab on the backing plate upper berth by spreading machine;
Seven, hot pressing: through belt conveyer, continous way preformer, flying cut-off saw, acceleration transporter, metering transporter, equipment such as dress plate transporter, loader are transported in the multi-daylight press hot-forming;
Eight, the cooling: hair plates through unloader, unload plate transporter, backing plate separator, equipment such as feed roller platform are delivered to the buck machine, after staying for some time in the buck machine;
Nine, cut apart: hair plates is sent in length and breadth the cutting edge shear and is cut apart, and forms wood-based plate at last.
Above-mentioned three kinds of agricultural crop straws can be replaced by other agricultural crop straw, and mixed proportion is decided as the case may be.
In addition, the stalk of crops can be mixed by multiple stalk in the foregoing description.
It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1, a kind of method of making wood-based plate is characterized in that comprising:
Step 1, at least two kinds of stalks are cut off processing;
The foreign material that mix in step 2, the above-mentioned stalk of separation;
Step 3, to the dry laggard row filter of above-mentioned stalk, qualified material is divided into top layer material and sandwich layer material and delivers to top layer feed bin and sandwich layer feed bin respectively;
Step 4, measure and control top layer inventory, sandwich layer inventory and resin added thereof respectively, various mixing of materials are even;
Step 5, the material that mixes is executed isocyanate adhesive;
Step 6, use material after the applying glue mat formation top layer and sandwich layer, form evenly smooth material base;
Step 7, described material base is hot-forming forms slab;
Step 8, cool off described slab;
Step 9, described slab is cut apart, formed wood-based plate.
2, the method for manufacturing wood-based plate according to claim 1 is characterized in that described step 1 is specially: adopt chaffcutter or hog respectively at least two kinds of stalks to be cut off processing.
3, the method for manufacturing wood-based plate according to claim 1 is characterized in that described step 2 is specially: adopt airflow separator to separate the foreign material that mix in the stalk.
4, the method for manufacturing wood-based plate according to claim 1 is characterized in that described step 3 is specially: after adopting the rotator type chip dryer that stalk is carried out the drying processing, send into oscillating riddle, material is screened.
5, the method for manufacturing wood-based plate according to claim 1 is characterized in that described step 4 is specially: through the metering transporter, belt claims and resin added control device metering and control table, sandwich layer inventory and resin added respectively, and various mixing of materials are even.
6, the method for manufacturing wood-based plate according to claim 1 is characterized in that described step 8 is specially: cooled off described blanket 20-50 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710054842 CN101092043A (en) | 2007-07-26 | 2007-07-26 | Method for fabricating artificial boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710054842 CN101092043A (en) | 2007-07-26 | 2007-07-26 | Method for fabricating artificial boards |
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| Publication Number | Publication Date |
|---|---|
| CN101092043A true CN101092043A (en) | 2007-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200710054842 Pending CN101092043A (en) | 2007-07-26 | 2007-07-26 | Method for fabricating artificial boards |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950085A (en) * | 2013-08-05 | 2014-07-30 | 西南林业大学 | Method for establishing moisture content gradient of shaving board |
| CN104070591A (en) * | 2014-07-09 | 2014-10-01 | 万华生态板业研究设计（烟台）有限公司 | Artificial board made of crop straw and method for manufacturing artificial board made of crop straw |
| CN107972136A (en) * | 2017-12-28 | 2018-05-01 | 万华生态板业(信阳)有限公司 | The wood-based plate of the sandwich layer mixed comprising stalk and timber |
| CN110328733A (en) * | 2019-07-09 | 2019-10-15 | 陕西建工第一建设集团有限公司 | A kind of preparation method on the floor construction site Lin She |
| CN110481068A (en) * | 2019-08-20 | 2019-11-22 | 昆山新世绿环保科技有限公司 | A kind of environmental protection three proofings graphene fibril board assembly line |
| CN113478605A (en) * | 2021-07-27 | 2021-10-08 | 北京林业大学 | Super-strong reed straw particle board and preparation method thereof |
-
2007
- 2007-07-26 CN CN 200710054842 patent/CN101092043A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950085A (en) * | 2013-08-05 | 2014-07-30 | 西南林业大学 | Method for establishing moisture content gradient of shaving board |
| CN103950085B (en) * | 2013-08-05 | 2016-06-22 | 西南林业大学 | A kind of particieboard moisture gradient construction method |
| CN104070591A (en) * | 2014-07-09 | 2014-10-01 | 万华生态板业研究设计（烟台）有限公司 | Artificial board made of crop straw and method for manufacturing artificial board made of crop straw |
| CN107972136A (en) * | 2017-12-28 | 2018-05-01 | 万华生态板业(信阳)有限公司 | The wood-based plate of the sandwich layer mixed comprising stalk and timber |
| CN110328733A (en) * | 2019-07-09 | 2019-10-15 | 陕西建工第一建设集团有限公司 | A kind of preparation method on the floor construction site Lin She |
| CN110481068A (en) * | 2019-08-20 | 2019-11-22 | 昆山新世绿环保科技有限公司 | A kind of environmental protection three proofings graphene fibril board assembly line |
| CN113478605A (en) * | 2021-07-27 | 2021-10-08 | 北京林业大学 | Super-strong reed straw particle board and preparation method thereof |
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Open date: 20071226 |