CN105133782B - 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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- CN105133782B CN105133782B CN201510517326.6A CN201510517326A CN105133782B CN 105133782 B CN105133782 B CN 105133782B CN 201510517326 A CN201510517326 A CN 201510517326A CN 105133782 B CN105133782 B CN 105133782B
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Abstract
The invention discloses a preparation method for a straw sandwich calcium silicate composite board. 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 construction material preparing technical field, more particularly to the preparation side of stalk sandwich silico-calcium composite plate
Method.
Background technology
The interior wall of not load-bearing is partition wall in building.Basic demand to partition wall is that sole mass is little, to reduce over the ground
The load of plate and floor layer, thickness of thin, to increase the usable floor area of building；And sound insulation, water-fast, fire resisting are required according to specific environment
Deng.
In Chinese patent 201310191338.5, a kind of light cellular partition board is disclosed, it includes：Steel wire net rack, steel wire
The full polyurethane foam of filling, is also stained with PLASTIC LAMINATED in frame outside steel wire net rack.Described PLASTIC LAMINATED is plasterboard or fireproof wood block.Should
Partition plate is solid, light and handy and prevents fires, and the later stage processes easy.
But, in the partition wall of above-mentioned prior art, the main material for adopting is the chemical products such as polyurethane, chemical products
The process for producing in a large number, use and discarding all forms greatly harm to the environmental protection of the mankind.And polyurethane material is in fire
Generation poisonous, rodent, suffocative gas can be decomposed during calamity.
The content of the invention
It is an object of the invention to provide a kind of preparation method of stalk sandwich silico-calcium composite plate.
To achieve these goals, the present invention provides a kind of stalk sandwich silico-calcium composite plate, and the composite plate includes：
Central layer, the central layer is stalk board；
Connector, the section of the connector is dove-tail, and the narrower one end of connector is connected to the two of the central layer
On individual side, and the connector is crisscross arranged in central layer both sides；The connector is integrally formed with central layer；
Calcium silicate board with microporous, the calcium silicate board with microporous is covered in outside the central layer, by pouring shaping；One end of the calcium silicate board with microporous is provided with
Fin, the other end is provided with the groove with fin size fit.
Stalk sandwich silico-calcium composite plate as above of the invention, further, the stalk is maize straw, big beanstalk
Stalk, broomcorn straw, rice straw or wheat stalk.
Stalk sandwich silico-calcium composite plate as above of the invention, further, also including support member, the support member is fixed
On the central layer.
Stalk sandwich silico-calcium composite plate as above of the invention, further, for pouring the proportioning of the slip of calcium silicate board with microporous
Composition is as follows：The weight portion of silica flour 45～50, the weight portion of cement 15～20, the weight portion of quick lime 12～18, reinforcing fiber 15～
20 weight portions, filler and the weight portion of flocculant 0.8～1.2.Further, the proportioning for pouring the slip of calcium silicate board with microporous is constituted such as
Under：The weight portion of silica flour 48, the weight portion of cement 18, the weight portion of quick lime 15, the weight portion of reinforcing fiber 18, filler and flocculant 1
Weight portion.
To achieve these goals, the present invention provides a kind of preparation method of stalk sandwich silico-calcium composite plate, including following
Step：
Step 1, suppresses stalk board, and template of the bilateral with connector, the connector are pressed in compressing
Section be dove-tail；Stalk board both sides dovetail groove is crisscross arranged；After stalk board is compressing, it is punched, and
Bored a hole in support member colligation to stalk board using metal wire；
Step 2, the stalk board for tying up support member is moved in mould, makes template be 20 with two side spacing of stalk board
～40mm；
Step 3, the slip being well mixed is poured in mould, is stood and be dehydrated and be molded after shaping, and molding is completed
The demoulding is carried out afterwards；
Step 4, after the demoulding, conserves to blanket.
The preparation method of stalk sandwich silico-calcium composite plate as above of the invention, it is preferable that the dehydration in step 3 is concrete
For：Make the moisture control of stalk sandwich silico-calcium composite plate in the range of 20～28wt%, carry out 5 under 1.8Mpa pressure afterwards
Minute molding.
The preparation method of stalk sandwich silico-calcium composite plate as above of the invention, it is preferable that the maintenance processes in step 4
For：Blanket be placed in 180 DEG C of temperature, the steam ambient of 1.8Mpa pressure carry out it is steam-cured, it is steam-cured during temperature be raised to 180 DEG C
And constant temperature is kept for 7 hours, is then lowered the temperature and steam-cured 15 hours, finally carries out drying and processing using dryer, makes stalk sandwich silicon
The water content of calcium composite plate is less than 10wt%.
The preparation method of stalk sandwich silico-calcium composite plate as above of the invention, it is preferable that for pouring calcium silicate board with microporous
The proportioning composition of slip is as follows：The weight portion of silica flour 45～50, the weight portion of cement 15～20, the weight portion of quick lime 12～18 increases
The strong weight portion of fiber 15～20, filler and the weight portion of flocculant 0.8～1.2.More electedly, for pouring the slip of calcium silicate board with microporous
Proportioning composition is as follows：The weight portion of silica flour 48, the weight portion of cement 18, the weight portion of quick lime 15, the weight portion of reinforcing fiber 18, filler
And the weight portion of flocculant 1.
The invention has the beneficial effects as follows：
1st, this preparation method takes full advantage of straw refuse to make sheet material, reduces what is brought because of straw burning
Environmental pollution, has saved material, meets the environmentally friendly development strategy of resource-conserving.
2nd, prepared composite plate has excellent sound isolating and heat insulating performance, humidity resistance and high-intensity performance.
3rd, with good fire protecting performance, in flame, hydrone can be discharged and prevents fire spreading, and will not be divided
Solution produces any poisonous, rodent, suffocative gas, will not also produce any oxidizer or flue gas.
4th, with humidity adjusting function, when indoors there was dampness in the air, hydrone in energy absorption air；It is air-dried indoors
When, hydrone can be discharged again, can suitably adjust indoor humidity.
Description of the drawings
By the detailed description made in conjunction with the following drawings, above-mentioned and/or other aspects of the present invention and advantage will become
Become apparent from and be easier to understand, these accompanying drawings are simply schematic, are not intended to 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 diagrames of Fig. 1；
Fig. 4 is the preparation method 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：
1st, central layer, 11, connector, 2, support member, 3, calcium silicate board with microporous, 31, fin, 32, groove.
Specific embodiment
Hereinafter, the enforcement of the stalk sandwich silico-calcium composite plate of the present invention and preparation method thereof is described with reference to the accompanying drawings
Example.
The embodiment that here is recorded is the specific specific embodiment of the present invention, for illustrating the design of the present invention,
It is explanatory and exemplary, should not be construed as the restriction to embodiment of the present invention and the scope of the invention.Except here record
Implement exception, those skilled in the art can also be based on the application claims and specification disclosure of that using aobvious
Other technical schemes being clear to, these technical schemes include any obvious using making for the embodiment recorded to here
The technical scheme of substitutions and modifications.
The accompanying drawing of this specification is schematic diagram, aids in illustrating the design of the present invention, it is schematically indicated the shape of each several part
And its correlation.Note that for the ease of clearly showing the structure of each part of the embodiment of the present invention, between each accompanying drawing
Do not draw according to identical ratio.Identical reference marker is used to represent identical part.
Fig. 2 and Fig. 3 illustrate the stalk sandwich silico-calcium composite plate of an embodiment of the present invention, and the composite plate includes：
Central layer 1, the central layer is stalk board；In specific implementation process, the stalk be maize straw, soybean stalk,
Broomcorn straw, rice straw or wheat stalk.
Connector 11, as shown in figure 1, the section of the connector is dove-tail, the narrower one end of connector is connected to
On two sides of the central layer, and the connector is crisscross arranged in central layer both sides；The connector and central layer one into
Type；
Calcium silicate board with microporous 3, the calcium silicate board with microporous is covered in outside the central layer, by pouring shaping；One end of the calcium silicate board with microporous sets
There is fin 31, 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, the environmental pollution brought because of straw burning is reduced, saved material, meet resource-conserving environmental friendliness
Type development strategy.In order to ensure the bonding strength of outside calcium silicate board with microporous and internal stalk board, stalk board is made into both sides with dovetail
The form of 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
With the groove of fin size fit.Therefore, only the fin of one piece of composite plate in adjacent two pieces of composite plates need to be inserted another block of plate
Groove i.e. be capable of achieving connection, easy construction.
In the stalk sandwich silico-calcium composite plate of the present invention such as above-mentioned embodiment, because calcium silicate board with microporous is by pouring shaping, it is
The template corresponding with central layer side is set to be consistent with the distance of central layer corresponding side surface, to the further improvement of above-described embodiment,
Stalk sandwich silico-calcium composite plate also includes support member 2, and the support member 2 is fixed on the central layer.As shown in Figures 2 and 3, support
Part is fixed on the both sides of central layer, and the two ends of central layer.The support member is concave shape.
In the stalk sandwich silico-calcium composite plate of the present invention such as above-mentioned embodiment, for pouring the proportioning of the slip of calcium silicate board with microporous
Composition is as follows：The weight portion of silica flour 45～50, the weight portion of cement 15～20, the weight portion of quick lime 12～18, reinforcing fiber 15～
20 weight portions, filler and the weight portion of flocculant 0.8～1.2.Further, the proportioning for pouring the slip of calcium silicate board with microporous is constituted such as
Under：The weight portion of silica flour 48, the weight portion of cement 18, the weight portion of quick lime 15, the weight portion of reinforcing fiber 18, filler and flocculant 1
Weight portion.
In a kind of specific embodiment of the invention, the manufacturer of silica flour is Xinyi City Gao Liu towns Ming Sheng quartz sands factory,
The mesh of model 400.The manufacturer of cement be Zhangjiakou Jinyu Cement Co., Ltd, model PO42.5.The production of quick lime
Producer be Hubei Lime Factory, the mesh of model 400.The manufacturer of reinforcing fiber be Dongxing fiberglass products Co., Ltd, type
Number be alkali-free glass fibre silk 3-4mm.The manufacturer of filler be Xinyi City Gao Liu towns Ming Sheng quartz sands factory, model 70-140
Mesh 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, including following step
Suddenly：
Step 1, suppresses stalk board, and template of the bilateral with connector, the connector are pressed in compressing
Section be dove-tail；Stalk board both sides dovetail groove is crisscross arranged；After stalk board is compressing, it is punched, and
Bored a hole in support member colligation to stalk board using metal wire；
Step 2, the stalk board for tying up support member is moved in mould, makes template be 20 with two side spacing of stalk board
～40mm；
Step 3, the slip being well mixed is poured in mould, is stood and be dehydrated and be molded after shaping, and molding is completed
The demoulding is carried out afterwards；The moisture control of stalk sandwich silico-calcium composite plate is made in the range of 20～28wt% by above-mentioned dehydration, it
Carry out afterwards 5 minutes being molded under 1.8Mpa pressure.
Step 4, after the demoulding, conserves to blanket.The detailed process of maintenance is：Blanket be placed on 180 DEG C of temperature,
Carry out in the steam ambient of 1.8Mpa pressure it is steam-cured, it is steam-cured during temperature be raised to 180 DEG C and constant temperature and kept for 7 hours, then drop
It is warm and steam-cured 15 hours, finally drying and processing is carried out using dryer, the water content for making stalk sandwich silico-calcium composite plate is less than
10wt%。
It is as follows for pouring the proportioning composition of slip of calcium silicate board with microporous in above-mentioned steps：The weight portion of silica flour 45～50, cement
15～20 weight portions, the weight portion of quick lime 12～18, the weight portion of reinforcing fiber 15～20, filler and the weight of flocculant 0.8～1.2
Part.
In a kind of specific embodiment, the proportioning composition and preparation method for pouring the slip of calcium silicate board with microporous is as follows：By stone
English powder 96kg, cement 36kg, quick lime 30kg, reinforcing fiber 36kg, filler and flocculant 2kg and water 800kg are put into mixer
Stir.
Each technical characteristic of above-mentioned disclosure is not limited to disclosed and further feature combination, and those skilled in the art are also
Can according to the purpose of invention carry out between each technical characteristic other combination, to realize that the purpose of the present invention is defined.
Claims (5)
1. a kind of preparation method of stalk sandwich silico-calcium composite plate, comprises the following steps：
Step 1, suppress stalk board, to be pressed in compressing bilateral with connector template, the connector cut
Face is dove-tail；Stalk board both sides dovetail groove is crisscross arranged；After stalk board is compressing, it is punched, and utilized
Metal wire is bored a hole in support member colligation to stalk board；
Step 2, the stalk board for tying up support member is moved in mould, make template and two side spacing of stalk board be 20～
40mm；
Step 3, the slip being well mixed is poured in mould, is stood and be dehydrated and be molded after shaping, after molding is completed
Carry out the demoulding；
Step 4, after the demoulding, conserves to blanket.
2. the preparation method of stalk sandwich silico-calcium composite plate according to claim 1, it is characterised in that de- in step 3
Water is specially：The moisture control of stalk sandwich silico-calcium composite plate is made in the range of 20～28wt%, afterwards under 1.8Mpa pressure
Carry out 5 minutes being molded.
3. the preparation method of stalk sandwich silico-calcium composite plate according to claim 1 and 2, it is characterised in that in step 4
Maintenance processes are：Blanket be placed in 180 DEG C of temperature, the steam ambient of 1.8Mpa pressure carry out it is steam-cured, it is steam-cured during temperature
It is raised to 180 DEG C and constant temperature is kept for 7 hours, then lower the temperature and steam-cured 15 hours, finally carry out drying and processing using dryer, makes straw
The water content of stalk sandwich silico-calcium composite plate is less than 10wt%.
4. the preparation method of stalk sandwich silico-calcium composite plate according to claim 3, it is characterised in that for pouring silico-calcium
The proportioning composition of the slip of plate is as follows：The weight portion of silica flour 45～50, the weight portion of cement 15～20, the weight of quick lime 12～18
Part, the weight portion of reinforcing fiber 15～20, filler and the weight portion of flocculant 0.8～1.2.
5. the preparation method of stalk sandwich silico-calcium composite plate according to claim 4, it is characterised in that for pouring silico-calcium
The proportioning composition of the slip of plate is as follows：The weight portion of silica flour 48, the weight portion of cement 18, the weight portion of quick lime 15, reinforcing fiber 18
Weight portion, filler and the weight portion of flocculant 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
|---|---|---|---|
| CN201510517326.6A CN105133782B (en) | 2015-08-21 | 2015-08-21 | Straw sandwich calcium silicate composite board and preparation method thereof |
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| CN105133782B true CN105133782B (en) | 2017-05-10 |
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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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| CN1396137A (en) * | 2002-08-12 | 2003-02-12 | 黄华大 | Hollow partition slab made of broken straw and cement and its preparing process |
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| CN103408276A (en) * | 2013-05-28 | 2013-11-27 | 常熟市金亿复合材料有限公司 | Method for processing fiber reinforced calcium silicate sheet |
| KR20150124748A (en) * | 2014-04-29 | 2015-11-06 | 서울바이오시스 주식회사 | Apparatus for maintaining freshness and container having the same |
| CN205035967U (en) * | 2015-08-21 | 2016-02-17 | 河北建筑工程学院 | Straw presss from both sides core silico -calcium composite sheet |
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2015
- 2015-08-21 CN CN201510517326.6A patent/CN105133782B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US5993920A (en) * | 1998-02-05 | 1999-11-30 | Kim; Kyung Sun | Incombustible artificial marble and a process for preparation thereof |
| CN1396137A (en) * | 2002-08-12 | 2003-02-12 | 黄华大 | Hollow partition slab made of broken straw and cement and its preparing process |
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| CN103408276A (en) * | 2013-05-28 | 2013-11-27 | 常熟市金亿复合材料有限公司 | Method for processing fiber reinforced calcium silicate sheet |
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| CN105133782A (en) | 2015-12-09 |
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