CN109749632A - Prepare the inorganic adhesive of straw board, ecological straw board and preparation method thereof - Google Patents
Prepare the inorganic adhesive of straw board, ecological straw board and preparation method thereof Download PDFInfo
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- CN109749632A CN109749632A CN201910095863.4A CN201910095863A CN109749632A CN 109749632 A CN109749632 A CN 109749632A CN 201910095863 A CN201910095863 A CN 201910095863A CN 109749632 A CN109749632 A CN 109749632A
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Abstract
The present invention provides the inorganic adhesive of straw board, ecological straw board and preparation method thereof is prepared, inorganic adhesive includes the component of following mass fraction: 1-20 parts of magnesia；4-10 parts of aluminium oxide；2-20 parts of calcium oxide；1-12 parts of silicic acid；0.5-8 parts of zeolite；1-15 parts of bamboo charcoal.Ecological straw board includes inorganic adhesive, 42-80 parts of stalk and 6-12 parts of water.The inorganic adhesive and ecological straw board do not contain poisonous and harmful substance, will not volatilize the pernicious gases such as formaldehyde, toluene in use, adhesive is strong to the gumminess of straw powder, obtained straw board high mechanical strength.
Description
Technical field
The invention belongs to environment-friendly sheet technical fields, and in particular to prepare the inorganic adhesive of straw board, ecological stalk
Plate and preparation method thereof.
Background technique
It is more next high as the plate price of raw material using timber with the scarcity of timber resources, therefore research and develop replacing for wooden boards
Dai Pin is of great significance.The yield of agricultural crop straw is big, and cellulose and lignin content are higher, cheap, if substitution
Timber can not only turn waste into wealth, and can reduce the environmental pollution of crop straw burning bring, protect forest resources.But agriculture
The difficulty of processing of crop plate is far longer than the difficulty of processing of artificial wood-based board.Currently, the step of preparation process of straw board
Generally comprise: raw material classification, pretreatment of raw material, wood shavings preparation are added adhesive and carry out glue mixing to raw material, mat formation, hot pressing is preceding
Processing and product handling system.Wherein, many because being known as of manufactured goods board quality are influenced, but till now, adhesive is
A bottleneck of agri-fiber based panel material amount is restricted through becoming.Adhesive is done using Lauxite or phenolic resin, although
The cost of plate is low, but there are the pernicious gases such as long-term release formaldehyde.Although also there is the stalk board of not release formaldehyde
Material, but the higher isocyanates binder of price is used, cause the higher cost of plate.In addition, current stalk
Plate has that there is also intensity is not high, is easily deformed, the problems such as preparation process is remarkable.
Summary of the invention
The technical problem to be solved by the present invention is to provide prepare the inorganic adhesive of straw board, ecological straw board and its
Preparation method, the ecology straw board are free of poisonous and harmful substance, and the gas of the harm such as formaldehydeless, toluene health is waved when use
Hair, and timber intensity is high, is unlikely to deform, preparation method is simple.
To solve the above-mentioned problems, offer of the present invention prepares the inorganic adhesive of straw board, including following mass fraction
Component:
In technical solution, it is preferred that inorganic adhesive further includes the additive of 0.002-0.009 mass fraction；Additive
For one of sodium metasilicate, odium stearate and dodecyl sodium sulfate or a variety of.
In technical solution, it is preferred that additive is sodium metasilicate, odium stearate and dodecyl sodium sulfate according to 3:(0.1-
2): the mass ratio of (0.1-0.5) mixes.
In technical solution, it is preferred that inorganic adhesive includes the component of following mass fraction:
In technical solution, it is preferred that the granule size of bamboo charcoal is 50-150 mesh；The granule size of zeolite is 50-150 mesh；
The granule size of calcium oxide and/or magnesia and/or aluminium oxide is 200-400 mesh.
It is a further object of the present invention to provide a kind of ecological straw boards, and raw material includes above-mentioned inorganic adhesive, is also wrapped
Include the component of following mass fraction:
42-80 parts of stalk；
6-12 parts of water.
In technical solution, it is preferred that its raw material includes the component of following mass fraction:
50-53 parts of stalk；
Inorganic adhesive 24-55 parts；
6-12 parts of water.
In technical solution, it is preferred that stalk is one of corn stover, wheat stalk and rice straw or a variety of, straw
The granule size of stalk is 20-150 mesh.
Another object of the present invention is to provide a kind of method for preparing above-mentioned ecological straw board, comprising: by stalk, water
It is mixed with inorganic adhesive, and is shaped to ecological straw board.
In technical solution, it is preferred that include the following steps:
The first step mixes calcium oxide, magnesia, aluminium oxide and water according to selected mass fraction；
Smashed stalk is added into the mixture that the first step obtains for second step, and silicic acid, bamboo charcoal are added thereto
And zeolite, mixing obtain the mixture of inorganic adhesive and stalk；
Third step, the mixture for obtaining second step form on sheet-forming machine, manufactured Board embryo；
4th step, the plate embryo for obtaining third step are stood, and obtain ecological straw board.
In technical solution, it is preferred that in second step, mass fraction, which is added, also into mixture obtained in the first step is
0.002-0.009 parts of additive is mixed, additive be sodium metasilicate, odium stearate and dodecyl sodium sulfate according to for
3:(0.1-2): the mass ratio of (0.1-0.5) mixes.
In technical solution, it is preferred that include:
The first step crushes stalk, obtains the straw powder that granule size is 20-150 mesh；
Second step will stir evenly in calcium oxide, magnesia, aluminium oxide and water addition batch mixer；
Third step, the straw powder by the first step obtains, silicic acid, bamboo charcoal, zeolite and additive sequentially add second step and obtain
Mixture in stir evenly；
4th step forms the mixture that third step obtains, manufactured Board embryo on sheet-forming machine；
5th step, the plate embryo for obtaining the 4th step stand 6-48h, obtain ecological straw board.
Compared with the prior art, the present invention has the following beneficial effects:
1. the inorganic adhesive is free of poisonous and harmful substance, harmful gas such as formaldehyde, toluene will not be volatilized in use process
Body；Inorganic adhesive each component is from a wealth of sources, cheap；And the inorganic adhesive is strong to the gumminess of straw powder, is prepared into
The plate high mechanical strength arrived；
2. the ecology straw board is ecological sheet material, poisonous and harmful substance is free of, first will not be volatilized in use process
The pernicious gases such as aldehyde, toluene, high mechanical strength, the fire resistance of plate are strong；
3. preparation method preparation process is simple, easy to operate.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff every other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Plate is made by raw material of stalk, it is dirty can to reduce environment caused by crop straw burning rationally using crops such as stalks
Dye, the forest reserves such as protection timber.But straw board manufacture difficulty is much larger than wooden boards, production technology is complicated, and makes
Make to need to use adhesive when plate, adhesive can release the pernicious gases such as formaldehyde for a long time, be detrimental to health；In addition, existing
There is a straw board there are still intensity not high, easily-deformable problem.
To solve the above-mentioned problems, the inorganic adhesive of straw board, including following matter are prepared the present invention provides a kind of
Measure the component of number:
The straw board formaldehydeless, first in use that the inorganic adhesive bonding being made of above-mentioned inorganic matter is prepared
The release of the poisonous and harmful substances such as benzene, will not do harm to huamn body, and each component abundance, cheap, non-toxic.
Wherein, the main component that magnesia, aluminium oxide and calcium oxide serve not only as adhesive plays bonding to straw powder and makees
With since it belongs to basic anhydride, adding can be used as alkaline conditioner after water and be modified to stalk, dissolve in stalk out
Hemicellulose and lignin improve the surface roughness of stalk fibre, can increase the contact area of straw powder and adhesive,
The interaction between straw powder and adhesive is improved, keeps the degree of adhesion of straw powder higher, timber intensity obtained is higher.
Zeolite, silicic acid can be improved gluing intensity, bamboo charcoal can releasing negative oxygen ion and far infrared, play the work of health care
With.
Wherein, magnesia have good stability and fire resistance, aluminium oxide, calcium oxide mechanical strength with higher,
Straw board obtained has high mechanical strength, high fire resistance.
There is interaction, performance of the every kind of component to the structure and performance of other components in adhesive between each component
All have a significant impact, therefore, each component additive amount directly affects the firmness that adhesive sticks straw powder, and then influences
The mechanical strength and stability of straw board.It obtains using adhesive when above-mentioned each component ratio through lot of experiments to straw
The adhesion of stalk powder is best.
In technical solution, it is preferred that the inorganic adhesive includes the component of following mass fraction:
Wherein, one of additive sodium metasilicate, odium stearate and dodecyl sodium sulfate or a variety of combinations.
In technical solution, it is preferred that additive is by sodium metasilicate, odium stearate and dodecyl sodium sulfate according to mass ratio
It is mixed for 3:(0.1-2): (0.1-0.5).
Sodium metasilicate is contacted with air in additive can occur to be carbonized and be dehydrated crystallization reaction, improve the intensity of plate；It is stearic
Sour sodium and dodecyl sodium sulfate easily with the Ca in raw material2+Reaction generates emplastic, and dodecyl sodium sulfate is formed in activity
Cadion-acceleration reaction additive sodium metasilicate, odium stearate and dodecyl sodium sulfate and can be made with aforementioned proportion addition in adhesive
The interaction of adhesive and straw powder is stronger, and the gumminess of adhesive is higher, and the mechanical strength of straw board obtained is more
Greatly.
It is further preferred that inorganic adhesive includes the component of following mass fraction:
It is further preferred that the granule size of bamboo charcoal is 50-150 mesh；The granule size of zeolite is 50-150 mesh；Oxidation
The granule size of calcium and/or magnesia and/or aluminium oxide is 200-400 mesh.
It is a further object of the present invention to provide a kind of ecological straw boards, and raw material includes above-mentioned inorganic adhesive, is also wrapped
Include the component of following mass fraction:
42-80 parts of stalk；
6-12 parts of water.
The ecology straw board is free of harmful substance, can be rationally using crops such as stalks, caused by reducing crop straw burning
Environmental pollution, the forest reserves such as protection timber.And it was being used using the straw board that above-mentioned inorganic adhesive is prepared
The harmful substances such as formaldehyde, toluene will not be released in journey, to no damage to human body, and adhesive is strong to the gumminess of straw powder, system
The straw board mechanical strength obtained is big, and has preferable fire resistance.
It is further preferred that the raw material of the ecology straw board includes the component of following mass fraction:
It is further preferred that stalk is one of corn stover, wheat stalk and rice straw or a variety of, stalk
Granule size is 20-150 mesh.
Another object of the present invention is to provide a kind of method for preparing above-mentioned ecological straw board, comprising: by stalk, water
It is mixed with inorganic adhesive, and is shaped to ecological straw board.
In technical solution, it is preferred that include the following steps:
The first step mixes calcium oxide, magnesia, aluminium oxide and water according to selected mass fraction；
Smashed stalk is added into the mixture that the first step obtains for second step, and silicic acid, bamboo charcoal are added thereto
And zeolite, mixing obtain the mixture of inorganic adhesive and stalk；
Third step, the mixture for obtaining second step form on sheet-forming machine, manufactured Board embryo；
4th step, the plate embryo for obtaining third step are stood, and obtain ecological straw board.
In technical solution, it is preferred that in second step, mass fraction, which is added, also into mixture obtained in the first step is
0.002-0.009 parts of additive is mixed, and additive includes that mass ratio is 3:(0.1-2): the sodium metasilicate of (0.1-0.5),
Odium stearate and dodecyl sodium sulfate.
In technical solution, it is preferred that the method for preparing above-mentioned ecological straw board includes:
The first step crushes stalk, obtains the straw powder that granule size is 20-150 mesh；
Second step will stir evenly in calcium oxide, magnesia, aluminium oxide and water addition batch mixer；
Third step, the straw powder by the first step obtains, silicic acid, bamboo charcoal, zeolite and additive sequentially add second step and obtain
Mixture in stir evenly；
4th step forms the mixture that third step obtains, manufactured Board embryo on sheet-forming machine；
5th step, the plate embryo for obtaining the 4th step stand 6-48h, obtain ecological straw board.
The preparation method preparation process of the ecology stalk is simple, easy to operate.
Embodiment one
Ecological straw board described in the present embodiment, raw material include the component of following mass fraction:
50 parts of stalk, 3.997 parts of bamboo charcoal, 4 parts of zeolite, 12 parts of magnesia, 6 parts of aluminium oxide, 4 parts of silicic acid, calcium oxide 10
Part, 0.003 part of additive, 10 parts of water.
Wherein, additive contains sodium metasilicate, odium stearate, dodecyl sodium sulfate, and each component mass ratio is 3:1:0.2,
Zeolite particle size size be 80 mesh, bamboo charcoal granule size be 100 mesh, calcium oxide, magnesia, aluminium oxide granule size be 300
Mesh.
The ecology straw board specific the preparation method is as follows:
1. selected good rice straw, being crushed to granule size is 50 mesh；
2. 10 parts of calcium oxide, 12 parts of magnesia, 6 parts of aluminium oxide and 10 parts of water are added in batch mixer and are stirred；
The straw powder that successively crushes 50 parts after 3.2min, 4 parts of silicic acid, 3.997 parts of bamboo charcoals, 4 parts of zeolites and 0.003
Part additive, which is added in batch mixer, to be sufficiently stirred, it is uniformly mixed；
4. above-mentioned mixture to be manufactured to the plate embryo of certain shapes on sheet-forming machine；
5. plate embryo is stood 24 hours, high-performance ecotype straw board is obtained.
Mechanical strength is carried out to obtained environmental straw board using the digital pressure-proof and snap-resistent testing machine of DYE-300KN
Test, compression strength 4.51MPa, flexural strength 4.79Mpa.
Embodiment two
Ecological straw board described in the present embodiment, raw material include the component of following mass fraction:
50 parts of stalk, 3.997 parts of bamboo charcoal, 4 parts of zeolite, 12 parts of magnesia, 6 parts of aluminium oxide, 4 parts of silicic acid, calcium oxide 10
Part, 0.003 part of additive, 10 parts of water.
Wherein, additive contains sodium metasilicate, odium stearate, dodecyl sodium sulfate, and each component mass ratio is 3:0.1:
0.1, zeolite particle size size is 80 mesh, and bamboo charcoal granule size is 100 mesh, and calcium oxide, magnesia, the granule size of aluminium oxide are equal
For 300 mesh.
The ecology straw board specific the preparation method is as follows:
6. selected good rice straw, being crushed to granule size is 50 mesh；
7. 10 parts of calcium oxide, 12 parts of magnesia, 6 parts of aluminium oxide and 10 parts of water are added in batch mixer and are stirred；
The straw powder that successively crushes 50 parts after 8.2min, 4 parts of silicic acid, 3.997 parts of bamboo charcoals, 4 parts of zeolites and 0.003
Part additive, which is added in batch mixer, to be sufficiently stirred, it is uniformly mixed；
9. above-mentioned mixture to be manufactured to the plate embryo of certain shapes on sheet-forming machine；
10. plate embryo is stood 24 hours, high-performance ecotype straw board is obtained.
Mechanical strength is carried out to obtained environmental straw board using the digital pressure-proof and snap-resistent testing machine of DYE-300KN
Test, compression strength 4.54MPa, flexural strength 4.82Mpa.
Embodiment three
Ecological straw board described in the present embodiment, raw material include the component of following mass fraction:
50 parts of stalk, 3.997 parts of bamboo charcoal, 4 parts of zeolite, 12 parts of magnesia, 6 parts of aluminium oxide, 4 parts of silicic acid, calcium oxide 10
Part, 0.003 part of additive, 10 parts of water.
Wherein, additive contains sodium metasilicate, odium stearate, dodecyl sodium sulfate, and each component mass ratio is 3:2:0.5,
Zeolite particle size size be 80 mesh, bamboo charcoal granule size be 100 mesh, calcium oxide, magnesia, aluminium oxide granule size be 300
Mesh.
The ecology straw board specific the preparation method is as follows:
11. selected good rice straw, being crushed to granule size is 50 mesh；
12. 10 parts of calcium oxide, 12 parts of magnesia, 6 parts of aluminium oxide and 10 parts of water are added in batch mixer and are sufficiently stirred
It is even；
The straw powder that successively crushes 50 parts after 13.2min, 4 parts of silicic acid, 3.997 parts of bamboo charcoals, 4 parts of zeolites and 0.003
Part additive, which is added in batch mixer, to be sufficiently stirred, it is uniformly mixed；
14. above-mentioned mixture to be manufactured to the plate embryo of certain shapes on sheet-forming machine；
15. plate embryo is stood 24 hours, high-performance ecotype straw board is obtained.
Mechanical strength is carried out to obtained environmental straw board using the digital pressure-proof and snap-resistent testing machine of DYE-300KN
Test, compression strength 4.50MPa, flexural strength 4.77Mpa.
Example IV
Ecological straw board described in the present embodiment, raw material include the component of following mass fraction:
53 parts of stalk, 5.995 parts of bamboo charcoal, 3 parts of zeolite, 9 parts of magnesia, 8 parts of aluminium oxide, 5 parts of silicic acid, 8 parts of calcium oxide,
0.005 part of additive, 8 parts of water.
Wherein, additive contains sodium metasilicate, odium stearate, dodecyl sodium sulfate, and each component mass ratio is 3:1:0.2,
Zeolite particle size size be 50 mesh, bamboo charcoal granule size be 50 mesh, calcium oxide, magnesia, aluminium oxide granule size be 200
Mesh.
The ecology straw board specific the preparation method is as follows:
1. selected good rice straw, being crushed to granule size is 50 mesh；
2. 8 parts of calcium oxide, 9 parts of magnesia, 8 parts of aluminium oxide and 8 parts of water are added in batch mixer and are stirred；
The straw powder that successively crushes 53 parts after 3.6min, 5 parts of silicic acid, 5.995 parts of bamboo charcoals, 3 parts of zeolites and 0.005
Part additive, which is added in batch mixer, to be sufficiently stirred, it is uniformly mixed；
4. above-mentioned mixture to be manufactured to the plate embryo of certain shapes on sheet-forming machine；
5. plate embryo is stood 18 hours, high-performance ecotype straw board is obtained.
Mechanical strength is carried out to obtained environmental straw board using the digital pressure-proof and snap-resistent testing machine of DYE-300KN
Test, compression strength 4.63MPa, flexural strength 4.65Mpa.
Embodiment five
Ecological straw board described in the present embodiment, raw material include the component of following mass fraction:
51 parts of stalk, 4 parts of bamboo charcoal, 4.993 parts of zeolite, 11 parts of magnesia, 7 parts of aluminium oxide, 8 parts of silicic acid, 8 parts of calcium oxide,
0.007 part of additive, 6 parts of water.
Wherein, additive contains sodium metasilicate, odium stearate, dodecyl sodium sulfate, and each component mass ratio is 3:2:0.5,
Zeolite particle size size be 150 mesh, bamboo charcoal granule size be 150 mesh, calcium oxide, magnesia, aluminium oxide granule size be
400 mesh.
The ecology straw board specific the preparation method is as follows:
1. selected good rice straw, being crushed to granule size is 150 mesh；
2. 8 parts of calcium oxide, 11 parts of magnesia, 7 parts of aluminium oxide and 6 parts of water are added in batch mixer and are stirred；
The straw powder that successively crushes 51 parts after 3.3min, 8 parts of silicic acid, 4 parts of bamboo charcoals, 4.993 parts of zeolites and 0.007
Part additive, which is added in batch mixer, to be sufficiently stirred, it is uniformly mixed；
4. above-mentioned mixture to be manufactured to the plate embryo of certain shapes on sheet-forming machine；
5. plate embryo is stood 48 hours, high-performance ecotype straw board is obtained.
Mechanical strength is carried out to obtained environmental straw board using the digital pressure-proof and snap-resistent testing machine of DYE-300KN
Test, compression strength 4.62MPa, flexural strength 4.57Mpa.
Embodiment six
Ecological straw board described in the present embodiment, raw material include the component of following mass fraction:
52 parts of stalk, 10 parts of bamboo charcoal, 0.991 part of zeolite, 6 parts of magnesia, 5 parts of aluminium oxide, 9 parts of silicic acid, 5 parts of calcium oxide,
0.009 part of additive, 12 parts of water.
Wherein, additive contains sodium metasilicate, odium stearate, dodecyl sodium sulfate, and each component mass ratio is 3:1:0.1,
Zeolite particle size size be 80 mesh, bamboo charcoal granule size be 80 mesh, calcium oxide, magnesia, aluminium oxide granule size be 200
Mesh.
The ecology straw board specific the preparation method is as follows:
1. selected good rice straw, being crushed to granule size is 120 mesh；
2. 5 parts of calcium oxide, 6 parts of magnesia, 5 parts of aluminium oxide and 12 parts of water are added in batch mixer and are stirred；
The straw powder that successively crushes 52 parts after 3.5min, 9 parts of silicic acid, 10 parts of bamboo charcoals, 0.991 part of zeolite and 0.009
Part additive, which is added in batch mixer, to be sufficiently stirred, it is uniformly mixed；
4. above-mentioned mixture to be manufactured to the plate embryo of certain shapes on sheet-forming machine；
5. plate embryo is stood 48 hours, high-performance ecotype straw board is obtained.
Mechanical strength is carried out to obtained environmental straw board using the digital pressure-proof and snap-resistent testing machine of DYE-300KN
Test, compression strength 4.60MPa, flexural strength 4.61Mpa.
Embodiment seven
Ecological straw board described in the present embodiment, raw material include the component of following mass fraction:
50 parts of stalk, 3.997 parts of bamboo charcoal, 4 parts of zeolite, 12 parts of magnesia, 6 parts of aluminium oxide, 4 parts of silicic acid, calcium oxide 10
Part, 0.003 part of additive, 10 parts of water.
Wherein, additive contains sodium metasilicate, odium stearate, dodecyl sodium sulfate, and each component mass ratio is 1:1:3, boiling
Stone granule size be 80 mesh, bamboo charcoal granule size be 100 mesh, calcium oxide, magnesia, aluminium oxide granule size be 300
Mesh.
The ecology straw board specific the preparation method is as follows:
1. selected good rice straw, being crushed to granule size is 50 mesh；
2. 10 parts of calcium oxide, 12 parts of magnesia, 6 parts of aluminium oxide and 10 parts of water are added in batch mixer and are stirred；
The straw powder that successively crushes 50 parts after 3.2min, 4 parts of silicic acid, 3.997 parts of bamboo charcoals, 4 parts of zeolites and 0.003
Part additive, which is added in batch mixer, to be sufficiently stirred, it is uniformly mixed；
4. above-mentioned mixture to be manufactured to the plate embryo of certain shapes on sheet-forming machine；
5. plate embryo is stood 24 hours, high-performance ecotype straw board is obtained.
Mechanical strength is carried out to obtained environmental straw board using the digital pressure-proof and snap-resistent testing machine of DYE-300KN
Test, compression strength 4.39MPa, flexural strength 4.50Mpa.
Embodiment eight
Ecological straw board described in the present embodiment, raw material include the component of following mass fraction:
42 parts of stalk, 0.5 part of zeolite, 1 part of magnesia, 4 parts of aluminium oxide, 1 part of silicic acid, 2 parts of calcium oxide, adds 1 part of bamboo charcoal
Add 0.002 part of agent, 6 parts of water.
Wherein, additive contains sodium metasilicate, odium stearate, dodecyl sodium sulfate, and each component mass ratio is 1:1:2, boiling
Stone granule size be 80 mesh, bamboo charcoal granule size be 100 mesh, calcium oxide, magnesia, aluminium oxide granule size be 300
Mesh.
The ecology straw board specific the preparation method is as follows:
1. selected good rice straw, being crushed to granule size is 50 mesh；
2. 2 parts of calcium oxide, 1 part of magnesia, 4 parts of aluminium oxide and 10 parts of water are added in batch mixer and are stirred；
The straw powder that successively crushes 42 parts after 3.2min, 1 part of silicic acid, 1 part of bamboo charcoal, 0.5 part of zeolite and 0.002 part
Additive is added in batch mixer and is sufficiently stirred, and is uniformly mixed it；
4. above-mentioned mixture to be manufactured to the plate embryo of certain shapes on sheet-forming machine；
5. plate embryo is stood 24 hours, high-performance ecotype straw board is obtained.
Mechanical strength is carried out to obtained environmental straw board using the digital pressure-proof and snap-resistent testing machine of DYE-300KN
Test, compression strength 4.20MPa, flexural strength 4.71Mpa.
Embodiment nine
Ecological straw board described in the present embodiment, raw material include the component of following mass fraction:
80 parts of stalk, 15 parts of bamboo charcoal, 8 parts of zeolite, 20 parts of magnesia, 10 parts of aluminium oxide, 12 parts of silicic acid, 20 parts of calcium oxide,
0.009 part of additive, 12 parts of water.
Wherein, additive contains sodium metasilicate, odium stearate, dodecyl sodium sulfate, and each component mass ratio is 3:2:1, boiling
Stone granule size be 80 mesh, bamboo charcoal granule size be 100 mesh, calcium oxide, magnesia, aluminium oxide granule size be 300
Mesh.
The ecology straw board specific the preparation method is as follows:
1. selected good rice straw, being crushed to granule size is 50 mesh；
2. 20 parts of calcium oxide, 20 parts of magnesia, 10 parts of aluminium oxide and 12 parts of water are added in batch mixer and are sufficiently stirred
It is even；
The straw powder that successively crushes 80 parts after 3.2min, 12 parts of silicic acid, 15 parts of bamboo charcoals, 8 parts of zeolites and 0.009 part
Additive is added in batch mixer and is sufficiently stirred, and is uniformly mixed it；
4. above-mentioned mixture to be manufactured to the plate embryo of certain shapes on sheet-forming machine；
5. plate embryo is stood 24 hours, high-performance ecotype straw board is obtained.
Mechanical strength is carried out to obtained environmental straw board using the digital pressure-proof and snap-resistent testing machine of DYE-300KN
Test, compression strength 4.82MPa, flexural strength 4.30Mpa.
Embodiment ten
Ecological straw board described in the present embodiment, raw material include the component of following mass fraction:
50 parts of stalk, 3.997 parts of bamboo charcoal, 4 parts of zeolite, 12 parts of magnesia, 6 parts of aluminium oxide, 4 parts of silicic acid, calcium oxide 10
Part, 10 parts of water.
Zeolite particle size size is 80 mesh, and bamboo charcoal granule size is 100 mesh, and calcium oxide, magnesia, the granularity of aluminium oxide are big
Small is 300 mesh.
The ecology straw board specific the preparation method is as follows:
1. selected good rice straw, being crushed to granule size is 50 mesh；
2. 10 parts of calcium oxide, 12 parts of magnesia, 6 parts of aluminium oxide and 10 parts of water are added in batch mixer and are stirred；
Mixings are added in the straw powder that successively crushes 50 parts after 3.2min, 4 parts of silicic acid, 3.997 parts of bamboo charcoals, 4 parts of zeolites
It is sufficiently stirred in machine, is uniformly mixed it；
4. above-mentioned mixture to be manufactured to the plate embryo of certain shapes on sheet-forming machine；
5. plate embryo is stood 24 hours, high-performance ecotype straw board is obtained.
Mechanical strength is carried out to obtained environmental straw board using the digital pressure-proof and snap-resistent testing machine of DYE-300KN
Test, compression strength 4.14MPa, flexural strength 4.23Mpa.
Embodiment nine
Ecological straw board described in the present embodiment, raw material include the component of following mass fraction:
42 parts of stalk, 1 part of bamboo charcoal, 2 parts of zeolite, 1 part of magnesia, 4 parts of aluminium oxide, 1 part of silicic acid, 2 parts of calcium oxide, water 6
Part.
Zeolite particle size size is 80 mesh, and bamboo charcoal granule size is 100 mesh, and calcium oxide, magnesia, the granularity of aluminium oxide are big
Small is 300 mesh.
The ecology straw board specific the preparation method is as follows:
1. selected good rice straw, being crushed to granule size is 50 mesh；
2. 2 parts of calcium oxide, 1 part of magnesia, 4 parts of aluminium oxide and 6 parts of water are added in batch mixer and are stirred；
The straw powder that successively crushes 42 parts after 3.2min, 1 part of silicic acid, 1 part of bamboo charcoal, 2 parts of zeolites are added in batch mixers
It is sufficiently stirred, is uniformly mixed it；
4. above-mentioned mixture to be manufactured to the plate embryo of certain shapes on sheet-forming machine；
5. plate embryo is stood 24 hours, high-performance ecotype straw board is obtained.
Mechanical strength is carried out to obtained environmental straw board using the digital pressure-proof and snap-resistent testing machine of DYE-300KN
Test, compression strength 4.02MPa, flexural strength 4.30Mpa.
Embodiment ten
Ecological straw board described in the present embodiment, raw material include the component of following mass fraction:
80 parts of stalk, 15 parts of bamboo charcoal, 8 parts of zeolite, 20 parts of magnesia, 10 parts of aluminium oxide, 12 parts of silicic acid, 20 parts of calcium oxide,
12 parts of water.
Zeolite particle size size is 80 mesh, and bamboo charcoal granule size is 100 mesh, and calcium oxide, magnesia, the granularity of aluminium oxide are big
Small is 300 mesh.
The ecology straw board specific the preparation method is as follows:
1. selected good rice straw, being crushed to granule size is 50 mesh；
2. 20 parts of calcium oxide, 20 parts of magnesia, 10 parts of aluminium oxide and 12 parts of water are added in batch mixer and are sufficiently stirred
It is even；
Batch mixers are added in the straw powder that successively crushes 80 parts after 3.2min, 12 parts of silicic acid, 15 parts of bamboo charcoals, 8 parts of zeolites
In be sufficiently stirred, make its be uniformly mixed；
4. above-mentioned mixture to be manufactured to the plate embryo of certain shapes on sheet-forming machine；
5. plate embryo is stood 24 hours, high-performance ecotype straw board is obtained.
Mechanical strength is carried out to obtained environmental straw board using the digital pressure-proof and snap-resistent testing machine of DYE-300KN
Test, compression strength 4.30MPa, flexural strength 4.11Mpa.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.
For those of ordinary skill in the art, other various forms of changes can also be made on the basis of the above description
Change or changes.There is no necessity and possibility to exhaust all the enbodiments.And obvious change extended from this
Change or changes still within the protection scope of the invention.
Claims (10)
1. preparing straw board with inorganic adhesive, which is characterized in that the component including following mass fraction:
2. inorganic adhesive according to claim 1, which is characterized in that further include adding for 0.002-0.009 mass fraction
Add agent；The additive is one of sodium metasilicate, odium stearate and dodecyl sodium sulfate or a variety of.
3. inorganic adhesive according to claim 2, which is characterized in that the additive be sodium metasilicate, odium stearate and
Dodecyl sodium sulfate is according to 3:(0.1-2): the mass ratio of (0.1-0.5) mixes.
4. inorganic adhesive according to claim 2, which is characterized in that the component including following mass fraction:
5. inorganic adhesive according to claim 1, which is characterized in that the granule size of the bamboo charcoal is 50-150 mesh；
The granule size of the zeolite is 50-150 mesh；The granularity of the calcium oxide and/or the magnesia and/or the aluminium oxide is big
Small is 200-400 mesh.
6. a kind of ecology straw board, it further includes following that raw material, which includes inorganic adhesive a method as claimed in any one of claims 1 to 5,
The component of mass fraction:
42-80 parts of stalk；
6-12 parts of water.
7. ecology straw board according to claim 6, which is characterized in that the stalk is corn stover, wheat stalk
With one of rice straw or a variety of, the granule size of the stalk is 20-150 mesh.
8. a kind of method for preparing ecological straw board as claimed in claim 6, which comprises the steps of: will
Stalk, water are mixed with inorganic adhesive, and are shaped to the ecological straw board.
9. the method according to claim 8 for preparing ecological straw board, which comprises the steps of:
The first step mixes calcium oxide, magnesia, aluminium oxide and water according to selected mass fraction；
Smashed stalk is added into the mixture that the first step obtains for second step, and silicic acid, bamboo charcoal and zeolite are added thereto
Mixing, obtains the mixture of inorganic adhesive and stalk；
Third step, the mixture for obtaining second step form on sheet-forming machine, manufactured Board embryo；
4th step, the plate embryo for obtaining third step are stood, and obtain the ecological straw board.
10. the method according to claim 9 for preparing ecological straw board, which is characterized in that in second step, also to first
The additive that mass fraction is 0.002-0.009 parts is added in mixture obtained in step to be mixed, the additive is silicon
Sour sodium, odium stearate and dodecyl sodium sulfate are according to for 3:(0.1-2): the mass ratio of (0.1-0.5) mixes.
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| CN111037701A (en) * | 2019-11-28 | 2020-04-21 | 南阳师范学院 | Ecological environment-friendly assembled building wallboard and wet preparation process thereof |
| CN111056775A (en) * | 2019-11-28 | 2020-04-24 | 南阳师范学院 | Straw artificial board and wet process manufacturing process thereof |
| CN111070370A (en) * | 2019-11-28 | 2020-04-28 | 南阳师范学院 | Ecological environment-friendly decorative plate and wet-method plate manufacturing process thereof |
| CN111116096A (en) * | 2019-11-28 | 2020-05-08 | 南阳师范学院 | Novel ecological environment-friendly assembly type building material and wet manufacturing process thereof |
| CN112694283A (en) * | 2021-01-20 | 2021-04-23 | 清远金谷智联环保产业研究院有限公司 | Artificial stone and method for preparing artificial stone by utilizing solid hazardous wastes |
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| CN109749632B (en) | 2021-05-18 |
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