CN1884180A - Asbestos-free calcium silicate board and method for making same - Google Patents

Asbestos-free calcium silicate board and method for making same Download PDF

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Publication number
CN1884180A
CN1884180A CNA2006100522539A CN200610052253A CN1884180A CN 1884180 A CN1884180 A CN 1884180A CN A2006100522539 A CNA2006100522539 A CN A2006100522539A CN 200610052253 A CN200610052253 A CN 200610052253A CN 1884180 A CN1884180 A CN 1884180A
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CN
China
Prior art keywords
calcium silicate
silicate board
asbestos
lime
cement
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Pending
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CNA2006100522539A
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Chinese (zh)
Inventor
章燕芳
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Individual
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Individual
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Priority to CNA2006100522539A priority Critical patent/CN1884180A/en
Publication of CN1884180A publication Critical patent/CN1884180A/en
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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
    • C04B28/18—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 containing mixtures of the silica-lime type
    • 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
    • C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
    • C04B2111/12—Absence of mineral fibres, e.g. asbestos
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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  • 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)

Abstract

The invention discloses a non-amianthine calcium silicate board and preparing method in the architectural profession, which comprises the following parts: 38-48 percent quartz sand, 18-24 percent cement, 18-24 percent lime, 3-8 percent wollastonite needle powder, 1-5 percent mica powder, 5.5-8 percent wood fiber, 0.5-1%. polyacetamide, The invention belongs to new green environment-protective building material, which fits for high-grade space with higher cleanness need.

Description

A kind of asbestos-free calcium silicate board and preparation method thereof
Technical field:
The present invention relates to calcium silicate board of building material industry and preparation method thereof.
Background technology:
Along with the development of situation, the competition of building materials market is more and more fierce, and is also more and more higher to the requirement of product.But being the novel environment friendly building materials, total trend will progressively become the leading role of building materials market.
Originally the calcium silicate board of Sheng Chaning has added a large amount of asbestos in order to reach the ideal fireproof effect in its prescription.Its disadvantage is exactly can swim for a long time in air after the tiny fiber of asbestos discharges, and can invade the respiratory tract of human body, and deposit there, thereby cause various respiratory disease even lung cancer.And defective such as conventional plasterboard has easy fragmentation, can not lift, the after strain that makes moist for a long time, pot easily break after weighing down, burning.
Summary of the invention:
Order of the present invention provides environment-friendly type silicic acid calcium plate of a kind of protection against the tide, sound insulation, not yielding, long service life and preparation method thereof being to overcome above deficiency.
The present invention is achieved by the following technical solution: a kind of asbestos-free calcium silicate board, its composition is quartz sand 38%-48%, cement 18%-24%, lime 18%-24%, needle-shaped wollastonite powder 3%-8%, mica powder 1%-5%, wood fibre 5.5%-8%, policapram 0.5 ‰-1 ‰.
As preferably, the composition of calcium silicate board is a quartz sand 44.94%, cement 22.47%, lime 22.47%, needle-shaped wollastonite powder 8.98%, mica powder 1.14%, wood fibre 7%, policapram 1 ‰.
The making method the first step of asbestos-free calcium silicate board is got pure shredded paper slurry to wood fibre with hollander earlier, with proportioning machine cement, quartz sand, lime, mica powder, needle-shaped wollastonite powder, policapram are evenly prepared burden in proportion then, hollander will be prepared burden and be pulled an oar once more, through the slurry flowing machine starching, laminator making sheet, cutting machine cutting plate, behind the formation plate face, under steam-cured still air pressure 1.0Mpa constant voltage, steam-cured 18 hours, make basic sufficient crystallising become holder shellfish mullite; Be to dry in the drying kiln of 0.45Mpa at air pressure,, use the edge-falled machine edging at last to get rid of unnecessary moisture content, behind the abrasive finishing machine abrasive finishing.
The present invention 100% does not contain asbestos, belongs to the environmental protection building material, applicable to the higher clean high stall space that requires is arranged.Distinctive high-temperature steam curing technology, material have the very strong anti-property of sinking, and the combination of distinctive composition makes it that extremely strong fire line and moistureproofness be arranged.
Description of drawings:
Fig. 1 is the process flow sheet of making method of the present invention.
Embodiment:
Embodiment 1: get quartz sand 48% respectively, cement 18%, lime 18%, needle-shaped wollastonite powder 3%, mica powder 5%, wood fibre 8%, policapram 1 ‰; With hollander wood fibre is got pure shredded paper slurry earlier, with proportioning machine cement, quartz sand, lime, mica powder, needle-shaped wollastonite powder, policapram are evenly prepared burden in proportion then, hollander will be prepared burden and be pulled an oar once more, through the slurry flowing machine starching, laminator making sheet, cutting machine cutting plate, behind the formation plate face, under steam-cured still air pressure 1.0Mpa constant voltage, steam-cured 18 hours, make basic sufficient crystallising become holder shellfish mullite; Be to dry in the drying kiln of 0.45Mpa at air pressure,, use the edge-falled machine edging at last to get rid of unnecessary moisture content, behind the abrasive finishing machine abrasive finishing calcium silicate board.The board material performance sees Table 1.
Embodiment 2: get quartz sand 38% respectively, cement 24%, lime 24%, needle-shaped wollastonite powder 8%, mica powder 1%, wood fibre 5.5%, policapram 0.5 ‰; Step by embodiment 1 is made calcium silicate board.The board material performance sees Table 1.
Embodiment 3: get quartz sand 44.94% respectively, cement 22.47%, lime 22.47%, needle-shaped wollastonite powder 8.98%, mica powder 1.14%, wood fibre 7%, policapram 1 ‰.The step of embodiment 1 is made calcium silicate board.The board material performance sees Table 1.
This product is through repeatedly testing its key technical indexes: density 1.08g/cm 3, folding strength 16.4Mpa, thermal conductivity 0.108w/m.k, water ratio 8.0%, the wet rate 0.16% that rises.The standard that all meets national building materials test center.With multi-purpose cutter, pneutronic knife or carbonization sharp knife etc., on calcium silicate board, draw straight line down, the degree of depth is about 1/3 of a thickness of slab, firmly down fractures out, and can use the file filing when edges of boards are jagged; Use portable electric rip or disc saw also can cut; Common iron nail or screw can be easily fixing asbestos-free calcium silicate board, and be not drawn out easily.
Table 1 is for putting into practice, test the performance index that obtain:
Performance index Unit Technical indicator
Density g/cm 3 0.95-1.1
Water ratio ％ ＜10
The hygral expansion coefficient ％ ＜0.2
Thermal expansivity m/m℃ 5×10 -6
Thermal conductivity w/m.k 0.108
Vertical folding strength mpa ≥7
Horizontal folding strength mpa ≥11
Uninflammability A level non-fire material meets ISO1182:1990 and the every index of GB8624-1997 uninflammability

Claims (3)

1, a kind of asbestos-free calcium silicate board, the composition that it is characterized in that it is quartz sand 38%-48%, cement 18%-24%, lime 18%-24%, needle-shaped wollastonite powder 3%-8%, mica powder 1%-5%, wood fibre 5.5%-8%, policapram 0.5 ‰-1 ‰.
2, a kind of asbestos-free calcium silicate board as claimed in claim 1, the composition that it is characterized in that it is a quartz sand 44.94%, cement 22.47%, lime 22.47%, needle-shaped wollastonite powder 8.98%, mica powder 1.14%, wood fibre 7%, policapram 1%.
3, the making method of a kind of asbestos-free calcium silicate board as claimed in claim 1, it is characterized in that the first step earlier gets pure shredded paper to wood fibre with hollander and starch, with proportioning machine cement, quartz sand, lime, mica powder, needle-shaped wollastonite powder, policapram are evenly prepared burden in proportion then, hollander will be prepared burden and be pulled an oar once more, through the slurry flowing machine starching, laminator making sheet, the cutting machine cutting plate, behind the formation plate face, under steam-cured still air pressure 1.0Mpa constant voltage, steam-cured 18 hours, make basic sufficient crystallising become holder shellfish mullite; Be to dry in the drying kiln of 0.45Mpa at air pressure,, use the edge-falled machine edging at last to get rid of unnecessary moisture content, behind the abrasive finishing machine abrasive finishing.
CNA2006100522539A 2006-06-30 2006-06-30 Asbestos-free calcium silicate board and method for making same Pending CN1884180A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2006100522539A CN1884180A (en) 2006-06-30 2006-06-30 Asbestos-free calcium silicate board and method for making same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2006100522539A CN1884180A (en) 2006-06-30 2006-06-30 Asbestos-free calcium silicate board and method for making same

Publications (1)

Publication Number Publication Date
CN1884180A true CN1884180A (en) 2006-12-27

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CNA2006100522539A Pending CN1884180A (en) 2006-06-30 2006-06-30 Asbestos-free calcium silicate board and method for making same

Country Status (1)

Country Link
CN (1) CN1884180A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101863650A (en) * 2010-06-10 2010-10-20 柳州市桂人建材有限公司 Lime bamboo pulp fiber reinforced calcium silicate board
CN101979355A (en) * 2010-10-07 2011-02-23 宜春市金特建材实业有限公司 Composite fiber calcium silicate board and preparation method thereof
CN102924000A (en) * 2012-11-07 2013-02-13 三明市金宫硅酸钙板有限公司 Method utilizing industrial waste to prepare non-asbestos calcium silicate board
CN103508704A (en) * 2012-06-29 2014-01-15 日吉华株式会社 Inorganic board and method for manufacturing inorganic board
CN104987023A (en) * 2015-07-09 2015-10-21 石狮国高电子科技有限公司 Insulating and anti-cracking combination sand board prepared through power plant waste residues and production technology thereof
CN105780122A (en) * 2016-04-18 2016-07-20 中南大学 Additive for synthesizing tobermorite crystal whiskers and application of additive
CN107285688A (en) * 2017-08-08 2017-10-24 江苏康程新材料科技有限公司 One kind is without asbestos alkaline residue calcium silicate board and its production method
CN108793871A (en) * 2018-06-19 2018-11-13 郭玉玲 A kind of calcium silicate board and preparation method thereof being modified sericite in powder containing nanometer barium phosphate
CN109318544A (en) * 2018-09-10 2019-02-12 桂林桂特板业有限公司 A kind of calcium silicate board and preparation method thereof
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
CN110845187A (en) * 2019-12-03 2020-02-28 陕西建工建材科技有限公司 Preparation method of resin-reinforced calcium silicate non-dismantling template
CN116283127A (en) * 2023-02-09 2023-06-23 华润水泥技术研发有限公司 Plant fiber reinforced calcium silicate board with high hanging property and preparation method thereof

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101863650A (en) * 2010-06-10 2010-10-20 柳州市桂人建材有限公司 Lime bamboo pulp fiber reinforced calcium silicate board
CN101979355A (en) * 2010-10-07 2011-02-23 宜春市金特建材实业有限公司 Composite fiber calcium silicate board and preparation method thereof
CN101979355B (en) * 2010-10-07 2012-07-25 宜春市金特建材实业有限公司 Composite fiber calcium silicate board and preparation method thereof
CN103508704A (en) * 2012-06-29 2014-01-15 日吉华株式会社 Inorganic board and method for manufacturing inorganic board
JP2014009121A (en) * 2012-06-29 2014-01-20 Nichiha Corp Inorganic board, and method of producing inorganic board
CN102924000A (en) * 2012-11-07 2013-02-13 三明市金宫硅酸钙板有限公司 Method utilizing industrial waste to prepare non-asbestos calcium silicate board
CN102924000B (en) * 2012-11-07 2014-06-18 三明市金宫硅酸钙板有限公司 Method utilizing industrial waste to prepare non-asbestos calcium silicate board
CN104987023A (en) * 2015-07-09 2015-10-21 石狮国高电子科技有限公司 Insulating and anti-cracking combination sand board prepared through power plant waste residues and production technology thereof
CN105780122A (en) * 2016-04-18 2016-07-20 中南大学 Additive for synthesizing tobermorite crystal whiskers and application of additive
CN107285688A (en) * 2017-08-08 2017-10-24 江苏康程新材料科技有限公司 One kind is without asbestos alkaline residue calcium silicate board and its production method
CN107285688B (en) * 2017-08-08 2018-08-14 江苏康程新材料科技有限公司 A kind of no asbestos alkaline residue calcium silicate board and its production method
CN108793871A (en) * 2018-06-19 2018-11-13 郭玉玲 A kind of calcium silicate board and preparation method thereof being modified sericite in powder containing nanometer barium phosphate
CN108793871B (en) * 2018-06-19 2020-12-22 佛山市三乐建材实业有限公司 Calcium silicate board containing nano barium phosphate modified sericite powder and preparation method thereof
CN109318544A (en) * 2018-09-10 2019-02-12 桂林桂特板业有限公司 A kind of calcium silicate board and preparation method thereof
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
CN110845187A (en) * 2019-12-03 2020-02-28 陕西建工建材科技有限公司 Preparation method of resin-reinforced calcium silicate non-dismantling template
CN110845187B (en) * 2019-12-03 2021-12-28 陕西建工建材科技有限公司 Preparation method of resin-reinforced calcium silicate non-dismantling template
CN116283127A (en) * 2023-02-09 2023-06-23 华润水泥技术研发有限公司 Plant fiber reinforced calcium silicate board with high hanging property and preparation method thereof

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