CN105133782A - Straw sandwich calcium silicate composite board and preparation method thereof - Google Patents
Straw sandwich calcium silicate composite board and preparation method thereof Download PDFInfo
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- CN105133782A CN105133782A CN201510517326.6A CN201510517326A CN105133782A CN 105133782 A CN105133782 A CN 105133782A CN 201510517326 A CN201510517326 A CN 201510517326A CN 105133782 A CN105133782 A CN 105133782A
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Abstract
The invention discloses a straw sandwich calcium silicate composite board and a preparation method thereof. The straw sandwich calcium silicate composite board includes a core board, connecting pieces, and a calcium silicate board; the core board is a straw board; the section of each connecting piece has a shape of a dovetail groove, narrower ends of the connecting pieces are connected on two side faces of the core board, and the connecting pieces are arranged on the two sides of the core board in a staggered manner; the connecting pieces and the core board are integrally molded; the calcium silicate board covers the exterior of the core board and is molded through casting; one end of the calcium silicate board is provided with a raised ridge, and the other end of the calcium silicate board is provided with a groove adaptive to the size of the raised ridge. The composite board effectively utilizes straw wastes to prepare the board, reduces environmental pollution caused by straw burning, saves materials, and conforms to a resource-saving environmentally-friendly type development strategy. The prepared composite board has good sound-insulation heat-insulation properties, moisture resistance and high strength performance, and in addition, has good fireproof performance and a humidity adjusting function.
Description
Technical field
The invention belongs to constructional materials preparing technical field, particularly relate to stalk sandwich silico-calcium composite plate, and the preparation method of stalk sandwich silico-calcium composite plate.
Background technology
In building, the interior wall of not load-bearing is on partition wall.Be that sole mass is little to the basic demand of partition wall, to reduce the load to floor and floor layer, thickness is thin, to increase the usable floor area of building; And require sound insulation, water-fast, fire-resistant etc. according to specific environment.
In Chinese patent 201310191338.5, disclose a kind of light cellular partition board, it comprises: steel wire net rack, and fill full polyurethane foam in steel wire net rack, steel wire net rack is also stained with PLASTIC LAMINATED outward.Described PLASTIC LAMINATED is gypsum plank or fireproof wood block.This partition board is solid, light and handy and prevent fires, and post-processed is easy.
But in the partition wall of above-mentioned prior art, the main material adopted is the chemical products such as polyurethane, a large amount of productions of chemical products, to use and the process of discarding all forms great harm to the environmental protection of the mankind.And polyurethane material can decompose poisonous, rodent, the suffocative gas of generation when fire.
Summary of the invention
The first object of the present invention is to provide a kind of stalk sandwich silico-calcium composite plate.
The second object of the present invention is to provide a kind of preparation method of stalk sandwich silico-calcium composite plate.
In order to realize above-mentioned first object, the invention provides a kind of stalk sandwich silico-calcium composite plate, this composite plate comprises:
Central layer, described central layer is stalk board;
Connector, the cross section of described connector is dove-tail, and the narrower one end of connector is connected on two sides of described central layer, and described connector is crisscross arranged in central layer both sides; Described connector and central layer one-body molded;
Calcium silicate board with microporous, it is outside that described calcium silicate board with microporous covers described central layer, shaping by building; One end of described calcium silicate board with microporous is provided with fin, and the other end is provided with the groove with fin size fit.
The present invention's stalk sandwich as above silico-calcium composite plate, further, described stalk is maize straw, soybean stalk, broomcorn straw, rice straw or wheat stalk.
The present invention's stalk sandwich as above silico-calcium composite plate, further, also comprise support member, described support member is fixed on described central layer.
The present invention's stalk sandwich as above silico-calcium composite plate, further, proportioning for the slip of building calcium silicate board with microporous is composed as follows: quartz powder 45 ~ 50 weight portion, cement 15 ~ 20 weight portion, quicklime 12 ~ 18 weight portion, fortifying fibre 15 ~ 20 weight portion, filler and flocculant 0.8 ~ 1.2 weight portion.Further, the proportioning for the slip of building calcium silicate board with microporous is composed as follows: quartz powder 48 weight portion, cement 18 weight portion, quicklime 15 weight portion, fortifying fibre 18 weight portion, filler and flocculant 1 weight portion.
In order to realize above-mentioned second object, the invention provides a kind of preparation method of stalk sandwich silico-calcium composite plate, comprising the following steps:
Step 1, compacting stalk board, will be pressed into the template of bilateral with connector in compressing, the cross section of described connector is dove-tail; Stalk board both sides dovetail groove is crisscross arranged; After stalk board is compressing, it is punched, and utilize wire to bore a hole support member colligation on stalk board;
Step 2, moves in mould by the stalk board tying up support member, makes template and stalk board two side spacing be 20 ~ 40mm;
Step 3, is poured in mould by the slip mixed, and leaves standstill shaping laggard row dehydration and mold pressing, carries out the demoulding after mold pressing completes;
Step 4, after the demoulding, carries out maintenance to blanket.
The preparation method of the present invention's stalk sandwich as above silico-calcium composite plate, preferably, the dehydration in step 3 is specially: make the moisture control of stalk sandwich silico-calcium composite plate within the scope of 20% ~ 28wt%, carry out mold pressing in 5 minutes afterwards under 1.8Mpa pressure.
The preparation method of the present invention's stalk sandwich as above silico-calcium composite plate, preferably, maintenance processes in step 4 is: blanket be placed on carry out in the steam ambient of 180 DEG C of temperature, 1.8Mpa pressure steam-cured, in steam-cured process, temperature is raised to 180 DEG C and constant temperature and keeps 7 hours, then lower the temperature and steam-cured 15 hours, finally utilize dryer to carry out drying and processing, make the water content of stalk sandwich silico-calcium composite plate lower than 10wt%.
The preparation method of the present invention's stalk sandwich as above silico-calcium composite plate, preferably, proportioning for the slip of building calcium silicate board with microporous is composed as follows: quartz powder 45 ~ 50 weight portion, cement 15 ~ 20 weight portion, quicklime 12 ~ 18 weight portion, fortifying fibre 15 ~ 20 weight portion, filler and flocculant 0.8 ~ 1.2 weight portion.More electedly, the proportioning for the slip of building calcium silicate board with microporous is composed as follows: quartz powder 48 weight portion, cement 18 weight portion, quicklime 15 weight portion, fortifying fibre 18 weight portion, filler and flocculant 1 weight portion.
The invention has the beneficial effects as follows:
1, this preparation method takes full advantage of straw refuse to make sheet material, decreases the environment pollution brought because of straw burning, has saved material, meets the environmentally friendly development strategy of resource-conserving.
2, prepared composite plate has excellent sound isolating and heat insulating performance, humidity resistance and high-intensity performance.
3, there is good fireproof performance, in flame, hydrone can be discharged and stop fire spreading, and any poisonous, rodent, the suffocative gas of generation can not be decomposed, also can not produce any oxidizer or flue gas.
4, there is humidity adjusting function, when room air is moist, water in air molecule can be absorbed; When room air is dry, can hydrone be discharged again, can suitable humidity in conditioning chamber.
Accompanying drawing explanation
By detailed description done in conjunction with the following drawings, above-mentioned and/or other aspects of the present invention and advantage will become clearer and be easier to understand, and these accompanying drawings just schematically, do not limit the present invention, wherein:
Fig. 1 is the central layer schematic diagram of an embodiment of the present invention;
Fig. 2 is the stalk sandwich silico-calcium composite plate schematic diagram of an embodiment of the present invention;
Fig. 3 is the A-A tangent plane schematic diagram of Fig. 1;
Fig. 4 is preparation method's flow chart of the stalk sandwich silico-calcium composite plate of an embodiment of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, central layer, 11, connector, 2, support member, 3, calcium silicate board with microporous, 31, fin, 32, groove.
Detailed description of the invention
Hereinafter, the embodiment of stalk sandwich silico-calcium composite plate of the present invention and preparation method thereof is described with reference to the accompanying drawings.
The embodiment recorded at this is specific detailed description of the invention of the present invention, for illustration of design of the present invention, is all explanatory and exemplary, should not be construed as the restriction to embodiment of the present invention and the scope of the invention.Except the embodiment recorded at this, those skilled in the art can also adopt other technical scheme apparent based on the content disclosed in the application's claims and manual, and these technical schemes comprise the technical scheme making any apparent substitutions and modifications adopted the embodiment recorded at this.
The accompanying drawing of this manual is schematic diagram, and aid illustration design of the present invention schematically shows shape and the correlation thereof of each several part.Note that the structure of each parts for the ease of clearly showing the embodiment of the present invention, not according to identical scale between each accompanying drawing.Identical reference marker is for representing identical part.
Fig. 2 and Fig. 3 illustrates the stalk sandwich silico-calcium composite plate of an embodiment of the present invention, and this composite plate comprises:
Central layer 1, described central layer is stalk board; In specific implementation process, described stalk is maize straw, soybean stalk, broomcorn straw, rice straw or wheat stalk.
Connector 11, as shown in Figure 1, the cross section of described connector is dove-tail, and the narrower one end of connector is connected on two sides of described central layer, and described connector is crisscross arranged in central layer both sides; Described connector and central layer one-body molded;
Calcium silicate board with microporous 3, it is outside that described calcium silicate board with microporous covers described central layer, shaping by building; One end of described calcium silicate board with microporous is provided with fin 31, and the other end is provided with the groove 32 with fin size fit.
The stalk sandwich silico-calcium composite plate core board of the above embodiment of the present invention is stalk board, takes full advantage of straw refuse to make sheet material, decreases the environment pollution brought because of straw burning, saved material, meet the environmentally friendly development strategy of resource-conserving.In order to ensure the bonding strength of outside calcium silicate board with microporous and inner stalk board, stalk board is made the form of both sides with dovetail groove, and both sides dovetail groove is alternately arranged.When carrying out partition wall construction, one end of calcium silicate board with microporous is provided with fin, and the other end is provided with the groove with fin size fit.Therefore, the groove that only fin of one piece of composite plate in adjacent two pieces of composite plates need be inserted another block plate can realize connecting, easy construction.
In the stalk sandwich silico-calcium composite plate of the present invention as above-described embodiment, because calcium silicate board with microporous is shaping by building, be consistent to make the distance of the template corresponding with central layer side and central layer corresponding side surface, above-described embodiment is improved further, stalk sandwich silico-calcium composite plate also comprises support member 2, and described support member 2 is fixed on described central layer.As shown in Figures 2 and 3, support member is fixed on the both sides of central layer, and the two ends of central layer.Described support member is for being concave shape.
In the stalk sandwich silico-calcium composite plate of the present invention as above-described embodiment, proportioning for the slip of building calcium silicate board with microporous is composed as follows: quartz powder 45 ~ 50 weight portion, cement 15 ~ 20 weight portion, quicklime 12 ~ 18 weight portion, fortifying fibre 15 ~ 20 weight portion, filler and flocculant 0.8 ~ 1.2 weight portion.Further, the proportioning for the slip of building calcium silicate board with microporous is composed as follows: quartz powder 48 weight portion, cement 18 weight portion, quicklime 15 weight portion, fortifying fibre 18 weight portion, filler and flocculant 1 weight portion.
In a kind of specific embodiment of the present invention, the manufacturer of quartz powder is Gao Liu town, Xinyi City Ming Sheng quartz sand factory, and model is 400 orders.The manufacturer of cement is Zhangjiakou Jinyu Cement Co., Ltd, and model is PO42.5.The manufacturer of quicklime is Hubei Lime Factory, and model is 400 orders.The manufacturer of fortifying fibre is Dongxing fiberglass products Co., Ltd, and model is alkali-free glass fibre silk 3-4mm.The manufacturer of filler is Gao Liu town, Xinyi City Ming Sheng quartz sand factory, and model is 70-140 order quartz sand.The manufacturer of flocculant is Hydron water-purifying material factory of Gongyi City, is the polychloride ferro-aluminum of solid.
The embodiment of the present invention also provides a kind of preparation method of stalk sandwich silico-calcium composite plate, shown in Fig. 4, comprises the following steps:
Step 1, compacting stalk board, will be pressed into the template of bilateral with connector in compressing, the cross section of described connector is dove-tail; Stalk board both sides dovetail groove is crisscross arranged; After stalk board is compressing, it is punched, and utilize wire to bore a hole support member colligation on stalk board;
Step 2, moves in mould by the stalk board tying up support member, makes template and stalk board two side spacing be 20 ~ 40mm;
Step 3, is poured in mould by the slip mixed, and leaves standstill shaping laggard row dehydration and mold pressing, carries out the demoulding after mold pressing completes; Make the moisture control of stalk sandwich silico-calcium composite plate within the scope of 20% ~ 28wt% by above-mentioned dehydration, under 1.8Mpa pressure, carry out mold pressing in 5 minutes afterwards.
Step 4, after the demoulding, carries out maintenance to blanket.The detailed process of maintenance is: blanket be placed on carry out in the steam ambient of 180 DEG C of temperature, 1.8Mpa pressure steam-cured, in steam-cured process, temperature is raised to 180 DEG C and constant temperature and keeps 7 hours, then lower the temperature and steam-cured 15 hours, finally utilize dryer to carry out drying and processing, make the water content of stalk sandwich silico-calcium composite plate lower than 10wt%.
In above-mentioned steps, the proportioning for the slip of building calcium silicate board with microporous is composed as follows: quartz powder 45 ~ 50 weight portion, cement 15 ~ 20 weight portion, quicklime 12 ~ 18 weight portion, fortifying fibre 15 ~ 20 weight portion, filler and flocculant 0.8 ~ 1.2 weight portion.
In a kind of specific embodiment, as follows for the proportioning composition and preparation method of building the slip of calcium silicate board with microporous: quartz powder 96kg, cement 36kg, quicklime 30kg, fortifying fibre 36kg, filler and flocculant 2kg and water 800kg to be put into mixer and stirs.
Each technical characteristic of above-mentioned disclosure is not limited to that disclosed with combination that is further feature, other combination that those skilled in the art also can carry out between each technical characteristic according to the object of invention, is as the criterion with the object realizing the present invention.
Claims (10)
1. a stalk sandwich silico-calcium composite plate, is characterized in that, comprising:
Central layer, described central layer is stalk board;
Connector, the cross section of described connector is dove-tail, and the narrower one end of connector is connected on two sides of described central layer, and described connector is crisscross arranged in central layer both sides; Described connector and central layer one-body molded;
Calcium silicate board with microporous, it is outside that described calcium silicate board with microporous covers described central layer, shaping by building; One end of described calcium silicate board with microporous is provided with fin, and the other end is provided with the groove with fin size fit.
2. stalk sandwich silico-calcium composite plate according to claim 1, it is characterized in that, described stalk is maize straw, soybean stalk, broomcorn straw, rice straw or wheat stalk.
3. stalk sandwich silico-calcium composite plate according to claim 1, it is characterized in that, also comprise support member, described support member is fixed on described central layer.
4. the stalk sandwich silico-calcium composite plate according to any one of claim 1-3, it is characterized in that, proportioning for the slip of building calcium silicate board with microporous is composed as follows: quartz powder 45 ~ 50 weight portion, cement 15 ~ 20 weight portion, quicklime 12 ~ 18 weight portion, fortifying fibre 15 ~ 20 weight portion, filler and flocculant 0.8 ~ 1.2 weight portion.
5. stalk sandwich silico-calcium composite plate according to claim 4, it is characterized in that, the proportioning for the slip of building calcium silicate board with microporous is composed as follows: quartz powder 48 weight portion, cement 18 weight portion, quicklime 15 weight portion, fortifying fibre 18 weight portion, filler and flocculant 1 weight portion.
6. a preparation method for stalk sandwich silico-calcium composite plate, comprises the following steps:
Step 1, compacting stalk board, will be pressed into the template of bilateral with connector in compressing, the cross section of described connector is dove-tail; Stalk board both sides dovetail groove is crisscross arranged; After stalk board is compressing, it is punched, and utilize wire to bore a hole support member colligation on stalk board;
Step 2, moves in mould by the stalk board tying up support member, makes template and stalk board two side spacing be 20 ~ 40mm;
Step 3, is poured in mould by the slip mixed, and leaves standstill shaping laggard row dehydration and mold pressing, carries out the demoulding after mold pressing completes;
Step 4, after the demoulding, carries out maintenance to blanket.
7. the preparation method of stalk sandwich silico-calcium composite plate according to claim 6, it is characterized in that, dehydration in step 3 is specially: make the moisture control of stalk sandwich silico-calcium composite plate within the scope of 20% ~ 28wt%, carry out mold pressing in 5 minutes afterwards under 1.8Mpa pressure.
8. the preparation method of the stalk sandwich silico-calcium composite plate according to claim 6 or 7, it is characterized in that, maintenance processes in step 4 is: blanket be placed on carry out in the steam ambient of 180 DEG C of temperature, 1.8Mpa pressure steam-cured, in steam-cured process, temperature is raised to 180 DEG C and constant temperature and keeps 7 hours, then lower the temperature and steam-cured 15 hours, finally utilize dryer to carry out drying and processing, make the water content of stalk sandwich silico-calcium composite plate lower than 10wt%.
9. the preparation method of stalk sandwich silico-calcium composite plate according to claim 8, it is characterized in that, proportioning for the slip of building calcium silicate board with microporous is composed as follows: quartz powder 45 ~ 50 weight portion, cement 15 ~ 20 weight portion, quicklime 12 ~ 18 weight portion, fortifying fibre 15 ~ 20 weight portion, filler and flocculant 0.8 ~ 1.2 weight portion.
10. the preparation method of stalk sandwich silico-calcium composite plate according to claim 9, it is characterized in that, the proportioning for the slip of building calcium silicate board with microporous is composed as follows: quartz powder 48 weight portion, cement 18 weight portion, quicklime 15 weight portion, fortifying fibre 18 weight portion, filler and flocculant 1 weight portion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510517326.6A CN105133782B (en) | 2015-08-21 | 2015-08-21 | Straw sandwich calcium silicate composite board and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510517326.6A CN105133782B (en) | 2015-08-21 | 2015-08-21 | Straw sandwich calcium silicate composite board and preparation method thereof |
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| CN105133782A true CN105133782A (en) | 2015-12-09 |
| CN105133782B CN105133782B (en) | 2017-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106917466A (en) * | 2015-12-28 | 2017-07-04 | 山东益邦能源科技有限公司 | A kind of modular bio straw board and its manufacture method and purposes |
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| CN1038631A (en) * | 1988-06-23 | 1990-01-10 | 山东建筑材料工业学院 | Composite plant fiber-cement board and preparation method |
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| CN105133782B (en) | 2017-05-10 |
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