CN100542761C - Light wall board with calcium silicate plant fibre and manufacture method thereof - Google Patents
Light wall board with calcium silicate plant fibre and manufacture method thereof Download PDFInfo
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- CN100542761C CN100542761C CNB2006100597516A CN200610059751A CN100542761C CN 100542761 C CN100542761 C CN 100542761C CN B2006100597516 A CNB2006100597516 A CN B2006100597516A CN 200610059751 A CN200610059751 A CN 200610059751A CN 100542761 C CN100542761 C CN 100542761C
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- wall board
- calcium silicate
- light wall
- plant fibre
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Abstract
The invention discloses a kind of light wall board with calcium silicate plant fibre, it prepares by following steps: the raw material of 2.8～4.2% industrial phosphoric acids, 3.0～4.6% Efficacious Disinfeitants, 3.6～5.4% ferrous sulfate, 17.2～25.8% magnesium chlorides, 13.2～19.8% calcium carbonate activateds, 5.0～7.4% naphthalene sulfonic acid-formaldehyde condensation products and 35.2～52.8% water is fully stirred, add water then and make its ripple magnesium number of degrees at normal temperatures reach 20～23 and make adhesive composition; The raw material of this adhesive composition with 10～30%, 50～70% agricultural crop straw powder and 2～25% auxiliary material that contain silicic acid quaternary ammonium powder mixes, maintenance and make light wall board with calcium silicate plant fibre after fully making beating of beater, injection molding, cohesion and the demoulding again.Light wall board with calcium silicate plant fibre intensity of the present invention is big, good toughness, halogenation, has improved the mixed ratio of agricultural crop straw powder simultaneously.
Description
Technical field
The present invention relates to a kind of light wall board with calcium silicate plant fibre and manufacture method thereof, particularly a kind of agricultural crop straw mixed ratio height and the light wall board with calcium silicate plant fibre and the manufacture method thereof that are difficult for returning halogen.
Background technology
Along with China's rural economy develops adjustment with the rural resource structure rapidly, it is over and done with the stalk to be that fuel and being used to is repaired epoch of banda.A large amount of stalks go out of use or burn, and have both wasted resource, have polluted environment again.Many enterprises use the appearance of policy along with country forbids clay solid brick production, produce light body walling product one after another, but major part is the light wall board product that utilizes industrial chemicals to produce.
The stalk building materials of nearly section time development, be through being ground into string with any raw material in the multiple waste crop straws, add the material series building product that strengthening material and agglutinated agent are produced again, it meets the green building material sign, is described as new century high-tech green structural material by various countries.
Also include the string wallboard in these stalk building materials, it has in light weight, fire-retardant, sound insulation, acid and alkali-resistance, advantage such as pollution-free than traditional building material.Its raw materials for production have two classes, and a class is that agricultural crop straw, cement and industrial residue are primary raw material, is equipped with other curing agent, and generally there is the excessive problem of volume and weight in this class wallboard.Another kind of is that to pulverize like wheat straw, straw, cornstalk, husk etc. with agricultural crop straw be primary raw material, be equipped with that auxiliary materials such as adhesive, reinforcing material and fire retardant produce, but because adhesive wherein can not be bonding in aggregates with other composition effectively, cause the ubiquitous problem of these string wallboards to have the mixed ratio of agricultural crop straw low (less than 40%), and poor toughness is prone to and returns halogen, the phenomenon of getting damp.
Summary of the invention
It is low to the objective of the invention is to solve existing string wallboard agricultural crop straw mixed ratio, and poor toughness is prone to problem such as return halogen, get damp.
For achieving the above object, the invention provides a kind of manufacture method of light wall board with calcium silicate plant fibre, it is characterized in that comprising:
Step 1 will be that the raw material of 2.8～4.2% industrial phosphoric acids, 3.0～4.6% Efficacious Disinfeitants, 3.6～5.4% ferrous sulfate, 17.2～25.8% magnesium chlorides, 13.2～19.8% calcium carbonate activateds, 5.0～7.4% naphthalene sulfonic acid-formaldehyde condensation products (NNO) and 35.2～52.8% water fully stirs by weight, add water then and make its ripple magnesium number of degrees at normal temperatures reach 20～23 and make adhesive composition;
Step 2 will be that the raw material of the auxiliary material that contain silicic acid quaternary ammonium powder of 10～30% described adhesive composition, 50～70% agricultural crop straw powder and 2～25% mixes by weight, maintenance and make light wall board with calcium silicate plant fibre after fully making beating of beater, injection molding, cohesion and the demoulding again.
Wherein the preferred raw material components of step 1 is by weight:
Industrial phosphoric acid 3.0～4.0%
Efficacious Disinfeitant 3.2～4.4%
Ferrous sulfate 3.9～5.1%
Magnesium chloride 19.2～23.8%
Calcium carbonate activated 14.5～18.5%
NNO 5.5～6.9％
Water 38.0～50.0%
The raw material components that step 1 is more preferably is by weight:
Industrial phosphoric acid 3.5%
Efficacious Disinfeitant 3.8%
Ferrous sulfate 4.51%
Magnesium chloride 21.5%
Calcium carbonate activated 16.5%
NNO 6.19％
Water 44%
Wherein adhesive composition preferably is 15～28%, more preferably 18% by weight in the described raw material of step 2, the agricultural crop straw powder is 55～65% by weight, more preferably 60% and the auxiliary material that contain silicic acid quaternary ammonium powder preferably be 8～23%, more preferably 22% by weight.Auxiliary material also can contain reinforcing material, light magnesium oxide and flyash.Auxiliary material preferably are 0.2% reinforcing material, 16.1% light magnesium oxide, 0.2% flyash and 5.5% silicic acid quaternary ammonium powder by weight in step 2 raw material.Wherein said reinforcing material can be a glass fibre.
For achieving the above object, the present invention also provides a kind of light wall board with calcium silicate plant fibre that adopts the manufacture method manufacturing of described light wall board with calcium silicate plant fibre.
The present invention is through the light wall board with calcium silicate plant fibre of the raw material processing of rational proportion, and intensity is big, good toughness, and halogenation can reach antidetonation six grade standards.And need not soak after producing, there is not sewage discharge, need not calcine, do not pollute fume emission, save coal resource, but direct operation reduces project total cost.Stopped the pollution problem in the production link, and changed thoroughly that existing product returns halogen, returns frost, defective such as insufficient strength, heat insulation, soundproof effect difference, improved the mixed ratio of agricultural crop straw powder simultaneously, reduced production cost.
The specific embodiment
Below illustrate technical scheme of the present invention by specific embodiment.
Embodiment 1
4.1% industrial phosphoric acid, 3.5% Efficacious Disinfeitant, 4.51% ferrous sulfate, 25.5% magnesium chloride, 16.2% calcium carbonate activated, 6.19% naphthalene sulfonic acid-formaldehyde condensation product (NNO), 40% water are by weight fully mixed, add water then and make its ripple magnesium number of degrees at normal temperatures reach 20 and make adhesive composition of the present invention.
Embodiment 2
3.5% industrial phosphoric acid, 3.8% Efficacious Disinfeitant, 4.51% ferrous sulfate, 21.5% magnesium chloride, 16.5% calcium carbonate activated, 6.19% naphthalene sulfonic acid-formaldehyde condensation product (NNO), 44% water are by weight fully mixed, add water then and make its ripple magnesium number of degrees at normal temperatures reach 23 and make adhesive composition of the present invention.
Embodiment 3
3.0% industrial phosphoric acid, 4.3% Efficacious Disinfeitant, 3.51% ferrous sulfate, 22.5% magnesium chloride, 14.5% calcium carbonate activated, 8.19% naphthalene sulfonic acid-formaldehyde condensation product (NNO), 44% water are by weight fully mixed, add water then and make its ripple magnesium number of degrees at normal temperatures reach 22 and make adhesive composition of the present invention.
Embodiment 4
Agricultural crop straw powder with 60%, 0.2% glass fiber, 16.1% light magnesium oxide, 0.2% flyash, 5.5% silicic acid quaternary ammonium powder join in the adhesive composition that 18% embodiment 1 makes, and make light wall board with calcium silicate plant fibre of the present invention then after making beating, injection molding, cohesion and the demoulding.
Embodiment 5
Agricultural crop straw powder with 68%, 0.2% glass fiber, 16.1% light magnesium oxide, 0.2% flyash, 5.5% silicic acid quaternary ammonium powder join in the adhesive composition that 10% embodiment 1 makes, and make light wall board with calcium silicate plant fibre of the present invention then after making beating, injection molding, cohesion and the demoulding.
Embodiment 6
Agricultural crop straw powder with 55%, 0.2% glass fiber, 16.1% light magnesium oxide, 0.2% flyash, 5.5% silicic acid quaternary ammonium powder join in the adhesive composition that 23% embodiment 1 makes, and make light wall board with calcium silicate plant fibre of the present invention then after making beating, injection molding, cohesion and the demoulding.
Embodiment 7
Agricultural crop straw powder with 60%, 2% glass fiber, 15.1% light magnesium oxide, 0.2% flyash, 4.7% silicic acid quaternary ammonium powder join in the adhesive composition that 18% embodiment 2 makes, and make light wall board with calcium silicate plant fibre of the present invention then after making beating, injection molding, cohesion and the demoulding.
Embodiment 8
Agricultural crop straw powder with 60%, 5.2% glass fiber, 11.1% light magnesium oxide, 0.2% flyash, 5.5% silicic acid quaternary ammonium powder join in the adhesive composition that 18% embodiment 2 makes, and make light wall board with calcium silicate plant fibre of the present invention then after making beating, injection molding, cohesion and the demoulding.
Embodiment 9
Agricultural crop straw powder with 60%, 0.2% glass fiber, 10.1% light magnesium oxide, 6.2% flyash, 5.5% silicic acid quaternary ammonium powder join in the adhesive composition that 18% embodiment 3 makes, and make light wall board with calcium silicate plant fibre of the present invention then after making beating, injection molding, cohesion and the demoulding.
The detection of projects in will be undertaken table 1 by the light wall board with calcium silicate plant fibre that embodiment 4～9 makes, and the technical indicator that the technical indicator that light wall board with calcium silicate plant fibre of the present invention is reached and existing string wallboard reach compares.Can find out that by data in the table 1 every index of light wall board with calcium silicate plant fibre of the present invention all obviously is better than existing existing string wallboard.In addition, string light wall board of the present invention adopts that the no globule of conventional permanent steady pot heating test, nothing are got damp, no bloom.
Table 1
| Test item | The technical indicator that string wallboard of the present invention reaches | The technical indicator that existing string wallboard reaches |
| Drying shrinkage | ≤0.56mm/m | ≤0.6mm/m |
| Sound insulation | ≥38dB | ≥30dB |
| The bending resistance failing load | 7.99 times of 〉=plate deadweight | 4 times of 〉=plate deadweight |
| Impact strength | 30kg sand pocket drop 0.5m swings 10 times flawless | 30kg sand pocket drop 0.5m swings 5 times flawless |
| Water absorption rate | ≤14.3％ | ≤19％ |
| Environmental radiation (interior according to index or shine index outward) | ≤0.3 | ≤1.0 |
| Surface density | ≤44.4kg/m 2 | ≤48kg/m 2 |
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (9)
1, a kind of manufacture method of light wall board with calcium silicate plant fibre is characterized in that comprising:
Step 1 will be that the raw material of 2.8～4.2% industrial phosphoric acids, 3.0～4.6% Efficacious Disinfeitants, 3.6～5.4% ferrous sulfate, 17.2～25.8% magnesium chlorides, 13.2～19.8% calcium carbonate activateds, 5.0～7.4% naphthalene sulfonic acid-formaldehyde condensation products and 35.2～52.8% water fully stirs by weight, add water then and make its ripple magnesium number of degrees at normal temperatures reach 20～23 and make adhesive composition;
Step 2 will be that the raw material of the auxiliary material that contain silicic acid quaternary ammonium powder of 10～30% described adhesive composition, 50～70% agricultural crop straw powder and 2～25% mixes by weight, maintenance and make light wall board with calcium silicate plant fibre after fully making beating of beater, injection molding, cohesion and the demoulding again.
2, the manufacture method of light wall board with calcium silicate plant fibre according to claim 1, wherein each component is 3.0～4.0% industrial phosphoric acid, 3.2～4.4% Efficacious Disinfeitants, 3.9～5.1% ferrous sulfate, 19.2～23.8% magnesium chlorides, 14.5～18.5% calcium carbonate activateds, 5.5～6.9% naphthalene sulfonic acid-formaldehyde condensation products and 38.0～50.0% water by weight in the raw material described in the step 1.
3, the manufacture method of light wall board with calcium silicate plant fibre according to claim 2, wherein each component is 3.5% industrial phosphoric acid, 3.8% Efficacious Disinfeitant, 4.51% ferrous sulfate, 21.5% magnesium chloride, 16.5% calcium carbonate activated, 6.19% naphthalene sulfonic acid-formaldehyde condensation product and 44% water by weight in the raw material described in the step 1.
4, the manufacture method of light wall board with calcium silicate plant fibre according to claim 1, wherein each component is 15～28% adhesive composition, 55～65% agricultural crop straw powder and 8～23% auxiliary material by weight in the raw material described in the step 2.
5, the manufacture method of light wall board with calcium silicate plant fibre according to claim 4, wherein each component is 18% adhesive composition, 60% agricultural crop straw powder and 22% auxiliary material by weight in the raw material described in the step 2.
6, the manufacture method of light wall board with calcium silicate plant fibre according to claim 5, wherein said auxiliary material also contain reinforcing material, light magnesium oxide and flyash.
7, the manufacture method of light wall board with calcium silicate plant fibre according to claim 6, wherein said 22% auxiliary material are 0.2% reinforcing material, 16.1% light magnesium oxide, 0.2% flyash and 5.5% silicic acid quaternary ammonium powder by weight in described raw material.
8, according to the manufacture method of claim 6 or 7 described light wall board with calcium silicate plant fibre, wherein said reinforcing material is a glass fibre.
9, a kind of light wall board with calcium silicate plant fibre that adopts the manufacture method manufacturing of the described light wall board with calcium silicate plant fibre of arbitrary claim among the claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100597516A CN100542761C (en) | 2006-03-07 | 2006-03-07 | Light wall board with calcium silicate plant fibre and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100597516A CN100542761C (en) | 2006-03-07 | 2006-03-07 | Light wall board with calcium silicate plant fibre and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1817595A CN1817595A (en) | 2006-08-16 |
| CN100542761C true CN100542761C (en) | 2009-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100597516A Expired - Fee Related CN100542761C (en) | 2006-03-07 | 2006-03-07 | Light wall board with calcium silicate plant fibre and manufacture method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718128B (en) * | 2009-11-10 | 2011-11-23 | 温州市金誉建设监理有限公司 | Light wallboard and preparation method |
| CN103850390A (en) * | 2012-12-03 | 2014-06-11 | 北京天工创道建筑科技有限公司 | Integrated composite wallboard |
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| CN1817595A (en) | 2006-08-16 |
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Granted publication date: 20090923 Termination date: 20100307 |