CN109020340A - A method of calcium silicate board is prepared using calcium silicate board leftover pieces - Google Patents
A method of calcium silicate board is prepared using calcium silicate board leftover pieces Download PDFInfo
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- CN109020340A CN109020340A CN201811079375.6A CN201811079375A CN109020340A CN 109020340 A CN109020340 A CN 109020340A CN 201811079375 A CN201811079375 A CN 201811079375A CN 109020340 A CN109020340 A CN 109020340A
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- CN
- China
- Prior art keywords
- calcium silicate
- silicate board
- slurry
- leftover pieces
- parts
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
The present invention provides a kind of methods for preparing calcium silicate board using calcium silicate board leftover pieces, comprising the following steps: granite is broken into powder by S1., then mixes to obtain the first prefabricated slurry with saw powder, cement, water and paper pulp；S2. calcium silicate board leftover pieces are milled, water is added to be beaten, obtain calcium silicates slurry, then weigh the cement of 0.1 ~ 0.2 times of weight of calcium silicate board leftover pieces, and be added in calcium silicates slurry and obtain the second prefabricated slurry；S3. the first prefabricated slurry is mixed with the second prefabricated slurry according to volume ratio 10:0.5 ~ 1, is dehydrated, slab is made；S4. after boiling, maintenance, demoulding.Calcium silicate board leftover pieces can be carried out reclaiming production well by benzene invention, greatly reduce production cost.
Description
Technical field
The present invention relates to calcium silicate board reutilization technology fields, especially a kind of to prepare silicic acid using calcium silicate board leftover pieces
The method of calcium plate.
Background technique
Calcium silicate board is using the loose staple fiber such as inorganic mineral fiber or cellulose fibre as reinforcing material, with siliceous-calcium
Cementing material based on material through slurrying, molding, accelerates curing reaction in high temperature and high pressure saturated steam, forms calcium silicates
Gel and manufactured plate.Calcium silicate board is most advanced one of chamber materials for wall at present, has waterproof, moisture-proof.It is resistance to
Long, the advantages that deformation rate is low, heat-insulated is particularly suitable as the wallboard and ceiling board of building interior.
The production process of calcium silicate board includes slurrying, molding, steam-cured, drying, sanding and chamfering, sanding therein
Preferable leftover bits can be generated with chamfering, and how to be preferably a problem to be solved using these leftover bits.
Summary of the invention
The present invention provides a kind of methods for preparing calcium silicate board using calcium silicate board leftover pieces, can be well by calcium silicates
Edges of boards corner material carries out reclaiming production, greatly reduces production cost.
To achieve the above object, the technical solution of the present invention is as follows:
A method of calcium silicate board is prepared using calcium silicate board leftover pieces, comprising the following steps:
S1. following raw materials according, 50 ~ 70 parts of granite, saw 10 ~ 15 parts of powder, 16 ~ 22 parts of cement, paper pulp 8 ~ 15 are weighed by weight
Part；Granite is broken into powder, then and in saw powder, cement mixing investment tank, water is added and stirs evenly, is formed solid content for 6 ~
The mixed slurry of 8wt%；Mixed slurry is uniformly mixed with paper pulp, obtains the first prefabricated slurry；
S2. calcium silicate board leftover pieces are milled, water is added to be beaten, obtain calcium silicates slurry, then weigh calcium silicate board leftover pieces
The cement of 0.1 ~ 0.2 times of weight, and be added in calcium silicates slurry, it is uniformly mixed, and adjust moisture content to make the specific gravity of slurry
It is differed with the first prefabricated slurry and is no more than 0.2, obtain the second prefabricated slurry；
S3. the first prefabricated slurry is mixed with the second prefabricated slurry according to volume ratio 10:0.5 ~ 1, is filtered by vacuum, through vacuum
After filtering dehydration, then laminator is starched by stream, slab is made；
S4. slab is put into mold, compression moulding, after boiling, maintenance, then is demoulded, silicon is made in natural cooling after demoulding
Sour calcium plate.
Preferably, in the step S4, the temperature of boiling is 180 ~ 195 DEG C, and pressure is 1 ~ 1.2Mpa, and the time of boiling is
15~18h。
Preferably, in the step S1, following raw materials according, 60 parts of granite, saw 10 parts of powder, cement 18 are weighed by weight
Part, 10 parts of paper pulp.
Preferably, in the step S2, the weight ratio of calcium silicate board leftover pieces and cement is 10:0.18.
The above-described method for preparing calcium silicate board using calcium silicate board leftover pieces, by being crushed again calcium silicates
Cement mixing is added, forms it into the finely dispersed slurry of calcium silicates, is then mixed again with the first prefabricated slurry, enable calcium silicates
It is dispersed in the slab being pressed into, to guarantee final calcium silicate board stable homogeneous obtained, there is good mechanical property
Energy.
Specific embodiment
Below in conjunction with specific embodiment, the invention will be further described, but protection scope of the present invention is not limited to following reality
Apply example.
Embodiment 1
A method of calcium silicate board is prepared using calcium silicate board leftover pieces, comprising the following steps:
S1. following raw materials according, 50 parts of granite, saw 10 parts of powder, 16 parts of cement, 8 parts of paper pulp are weighed by weight；Granite is beaten
Cheng Fen is added water and stirs evenly, form the mixed slurry that solid content is 6 ~ 8wt% then and in saw powder, cement mixing investment tank；
Mixed slurry is uniformly mixed with paper pulp, obtains the first prefabricated slurry；
S2. calcium silicate board leftover pieces are milled, water is added to be beaten, obtain calcium silicates slurry, then weigh calcium silicate board leftover pieces
The cement of 0.15 times of weight, and being added in calcium silicates slurry is uniformly mixed, and is adjusted moisture content and made the specific gravity and the of slurry
One prefabricated slurry difference is no more than 0.2, obtains the second prefabricated slurry；
S3. the first prefabricated slurry is mixed with the second prefabricated slurry according to volume ratio 10:0.6, is filtered by vacuum, is taken out through vacuum
After filter dehydration, then laminator is starched by stream, slab is made；
S4. slab is put into mold, compression moulding, after boiling, maintenance, then is demoulded, silicon is made in natural cooling after demoulding
Sour calcium plate.Wherein, the temperature of boiling is 185 DEG C, pressure 1Mpa, and the time of boiling is 17h.
Embodiment 2
A method of calcium silicate board is prepared using calcium silicate board leftover pieces, comprising the following steps:
S1. following raw materials according, 60 parts of granite, saw 10 parts of powder, 18 parts of cement, 10 parts of paper pulp are weighed by weight；Granite is beaten
Cheng Fen is added water and stirs evenly, form the mixed slurry that solid content is 6 ~ 8wt% then and in saw powder, cement mixing investment tank；
Mixed slurry is uniformly mixed with paper pulp, obtains the first prefabricated slurry；
S2. calcium silicate board leftover pieces are milled, water is added to be beaten, obtain calcium silicates slurry, then weigh calcium silicate board leftover pieces
The cement of 0.18 times of weight, and being added in calcium silicates slurry is uniformly mixed, and is adjusted moisture content and made the specific gravity and the of slurry
One prefabricated slurry difference is no more than 0.2, obtains the second prefabricated slurry；
S3. the first prefabricated slurry is mixed with the second prefabricated slurry according to volume ratio 10:0.8, is filtered by vacuum, is taken out through vacuum
After filter dehydration, then laminator is starched by stream, slab is made；
S4. slab is put into mold, compression moulding, after boiling, maintenance, then is demoulded, silicon is made in natural cooling after demoulding
Sour calcium plate.Wherein, the temperature of boiling is 190 DEG C, pressure 1.1Mpa, and the time of boiling is 18h.
Embodiment 3
A method of calcium silicate board is prepared using calcium silicate board leftover pieces, comprising the following steps:
S1. following raw materials according, 70 parts of granite, saw 15 parts of powder, 22 parts of cement, 15 parts of paper pulp are weighed by weight；Granite is beaten
Cheng Fen is added water and stirs evenly, form the mixed slurry that solid content is 6 ~ 8wt% then and in saw powder, cement mixing investment tank；
Mixed slurry is uniformly mixed with paper pulp, obtains the first prefabricated slurry；
S2. calcium silicate board leftover pieces are milled, water is added to be beaten, obtain calcium silicates slurry, then weigh calcium silicate board leftover pieces
The cement of 0.2 times of weight, and being added in calcium silicates slurry is uniformly mixed, and is adjusted moisture content and made the specific gravity and the of slurry
One prefabricated slurry difference is no more than 0.2, obtains the second prefabricated slurry；
S3. the first prefabricated slurry is mixed with the second prefabricated slurry according to volume ratio 10:1, is filtered by vacuum, through being filtered by vacuum
After dehydration, then laminator is starched by stream, slab is made；
S4. slab is put into mold, compression moulding, after boiling, maintenance, then is demoulded, silicon is made in natural cooling after demoulding
Sour calcium plate.Wherein, the temperature of boiling is 195 DEG C, pressure 1.2Mpa, and the time of boiling is 15h.
The calcium silicate board (specification 2240mm × 1220mm × 10mm) of above embodiments 1 ~ 3 is subjected to performance detection.Test
As a result it see the table below:
Claims (4)
1. a kind of method for preparing calcium silicate board using calcium silicate board leftover pieces, it is characterised in that the following steps are included:
S1. following raw materials according, 50 ~ 70 parts of granite, saw 10 ~ 15 parts of powder, 16 ~ 22 parts of cement, paper pulp 8 ~ 15 are weighed by weight
Part；Granite is broken into powder, then and in saw powder, cement mixing investment tank, water is added and stirs evenly, is formed solid content for 6 ~
The mixed slurry of 8wt%；Mixed slurry is uniformly mixed with paper pulp, obtains the first prefabricated slurry；
S2. calcium silicate board leftover pieces are milled, water is added to be beaten, obtain calcium silicates slurry, then weigh calcium silicate board leftover pieces 0.1
The cement of ~ 0.2 times of weight, and being added in calcium silicates slurry is uniformly mixed, and is adjusted moisture content and made the specific gravity and the of slurry
One prefabricated slurry difference is no more than 0.2, obtains the second prefabricated slurry；
S3. the first prefabricated slurry is mixed with the second prefabricated slurry according to volume ratio 10:0.5 ~ 1, is filtered by vacuum, through vacuum
After filtering dehydration, then laminator is starched by stream, slab is made；
S4. slab is put into mold, compression moulding, after boiling, maintenance, then is demoulded, silicon is made in natural cooling after demoulding
Sour calcium plate.
2. the method according to claim 1 for preparing calcium silicate board using calcium silicate board leftover pieces, it is characterised in that:
In the step S4, the temperature of boiling is 180 ~ 195 DEG C, and pressure is 1 ~ 1.2Mpa, and the time of boiling is 15 ~ 18h.
3. the method according to claim 1 for preparing calcium silicate board using calcium silicate board leftover pieces, it is characterised in that:
In the step S1, following raw materials according, 60 parts of granite, saw 10 parts of powder, 18 parts of cement, 10 parts of paper pulp are weighed by weight.
4. the method according to claim 1 for preparing calcium silicate board using calcium silicate board leftover pieces, it is characterised in that:
In the step S2, the weight ratio of calcium silicate board leftover pieces and cement is 10:0.18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811079375.6A CN109020340A (en) | 2018-09-17 | 2018-09-17 | A method of calcium silicate board is prepared using calcium silicate board leftover pieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811079375.6A CN109020340A (en) | 2018-09-17 | 2018-09-17 | A method of calcium silicate board is prepared using calcium silicate board leftover pieces |
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| Publication Number | Publication Date |
|---|---|
| CN109020340A true CN109020340A (en) | 2018-12-18 |
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|---|---|---|---|
| CN201811079375.6A Pending CN109020340A (en) | 2018-09-17 | 2018-09-17 | A method of calcium silicate board is prepared using calcium silicate board leftover pieces |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109467345A (en) * | 2018-12-29 | 2019-03-15 | 昆明华城兴建材有限公司 | A kind of cement plate factory formula and preparation method thereof |
| CN109676778A (en) * | 2018-12-29 | 2019-04-26 | 武汉建筑材料工业设计研究院有限公司 | A kind of calcium silicate board, which is copied, takes testing production line |
| CN110271082A (en) * | 2019-03-26 | 2019-09-24 | 台荣建材(湖州)有限公司 | A kind of manufacture craft for the calcium silicate board that fire line is good |
| CN110423080A (en) * | 2019-06-24 | 2019-11-08 | 武汉建筑材料工业设计研究院有限公司 | A kind of calcium silicate board or fibre cement board assembly line waste material reuse method |
| CN112479663A (en) * | 2020-12-03 | 2021-03-12 | 武汉建筑材料工业设计研究院有限公司 | Calcium silicate board prepared from industrial solid wastes and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072327A (en) * | 2012-12-31 | 2013-05-01 | 江苏康辉硅酸钙板有限公司 | Composite calcium silicate heat-preserving board and preparation method thereof |
| CN104591631A (en) * | 2015-01-13 | 2015-05-06 | 南安市国高建材科技有限公司 | Calcium silicate plate produced from industrial waste slag |
| CN106927777A (en) * | 2017-04-13 | 2017-07-07 | 贵州联和新型建材有限公司 | A kind of combined wall board calcium silicate board and preparation method thereof |
| CN107686313A (en) * | 2017-10-27 | 2018-02-13 | 济南大学 | It is a kind of to use calcium silicate board of granite dead meal and preparation method thereof |
-
2018
- 2018-09-17 CN CN201811079375.6A patent/CN109020340A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072327A (en) * | 2012-12-31 | 2013-05-01 | 江苏康辉硅酸钙板有限公司 | Composite calcium silicate heat-preserving board and preparation method thereof |
| CN104591631A (en) * | 2015-01-13 | 2015-05-06 | 南安市国高建材科技有限公司 | Calcium silicate plate produced from industrial waste slag |
| CN106927777A (en) * | 2017-04-13 | 2017-07-07 | 贵州联和新型建材有限公司 | A kind of combined wall board calcium silicate board and preparation method thereof |
| CN107686313A (en) * | 2017-10-27 | 2018-02-13 | 济南大学 | It is a kind of to use calcium silicate board of granite dead meal and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109467345A (en) * | 2018-12-29 | 2019-03-15 | 昆明华城兴建材有限公司 | A kind of cement plate factory formula and preparation method thereof |
| CN109676778A (en) * | 2018-12-29 | 2019-04-26 | 武汉建筑材料工业设计研究院有限公司 | A kind of calcium silicate board, which is copied, takes testing production line |
| CN110271082A (en) * | 2019-03-26 | 2019-09-24 | 台荣建材(湖州)有限公司 | A kind of manufacture craft for the calcium silicate board that fire line is good |
| CN110423080A (en) * | 2019-06-24 | 2019-11-08 | 武汉建筑材料工业设计研究院有限公司 | A kind of calcium silicate board or fibre cement board assembly line waste material reuse method |
| CN112479663A (en) * | 2020-12-03 | 2021-03-12 | 武汉建筑材料工业设计研究院有限公司 | Calcium silicate board prepared from industrial solid wastes and preparation method thereof |
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Application publication date: 20181218 |