CN101624855B - Environmental-friendly cement tile mixed with slag and preparation method thereof - Google Patents

Environmental-friendly cement tile mixed with slag and preparation method thereof Download PDF

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Publication number
CN101624855B
CN101624855B CN2009100900644A CN200910090064A CN101624855B CN 101624855 B CN101624855 B CN 101624855B CN 2009100900644 A CN2009100900644 A CN 2009100900644A CN 200910090064 A CN200910090064 A CN 200910090064A CN 101624855 B CN101624855 B CN 101624855B
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slag
environment
cement tile
mixed
cement
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CN101624855A (en
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李清海
孙蓓
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China Building Materials Academy CBMA
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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
    • C04B28/02—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 hydraulic cements other than calcium sulfates
    • 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
    • C04B2111/00017—Aspects relating to the protection of the environment
    • 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 an environmental-friendly cement tile mixed with slag and a preparation method thereof. The environmental-friendly cement tile is prepared by adding slag on the basis of a common cement tile raw material and comprises the following raw materials: 5-60 parts of slag, 80-130 parts of cement, 75-165 parts of sand, 0-1.6 parts of water repellent and 20-39 parts of water. Tests prove that the slag added into the cement tile leads the breaking strength of the cement tile to meet the standard requirement and can consume waste residues generated after a plurality of lump coal or pea coal is burnt; and the invention utilizes the waste, saves resources and protects the environment. The invention plays an important role in the field of construction and has wide market prospect.

Description

Be mixed with environment-friendly cement tile of slag and preparation method thereof
Technical field
The present invention relates to building materials field, relate generally to utilization again, be specifically related to a kind of environment-friendly cement tile that is mixed with slag and preparation method thereof industrial waste.
Background technology
China is a big coal country; In recent years; The energy industry stable development of China is loose shape after lump coal or the beans burning or block end has become one of bigger industrial residue of the current discharge capacity of China through the residue of shrend, and increases year by year with bigger discharge value; These slags do not obtain recycling, and cause huge pressure for the development of the national economy and the ecological environment of China.
The historical far away stream of cement tile (having another name called concrete tile) is long, the sector be China tradition, also be one of small investment, widespread production industry.Common cement tile is a basic material with cement, sand and water, and the main cementitious material of using when cement tile is produced is a cement, and Cement Production belongs to high energy consumption, high pollution, and is very big to resource and environment damage.Existing document introduction can be mixed flyash or heavy blast furnace slag (Zhou Zhihong in the cement tile batching; Chen Xun; Cui Tiansheng; Zhang Yun's ripple. utilize heavy blast furnace slag and flyash to produce colour concrete watt. brick and tile; 2003 (6): 42-45.), utilize wherein active silica and alundum (Al under the high situation of calcium hydroxide content with calcium hydroxide generation secondary response formation hydrated calcium silicate gel (C-S-H gel) and drated calcium aluminate gel, the result is in cement tile behind adding coal ash or the heavy blast furnace slag; On the basis that utilizes industrial residues such as flyash or heavy blast furnace slag, cement tile each item performance all reaches the requirement of JC 746-2007 " concrete tile " standard high-class product.But, there is not bibliographical information so far for the application of slag in cement tile.The slag aboundresources, cheap, need not dry, mix in the cement tile and can reduce production costs; The slag resource is utilized again on the other hand, is beneficial to environmental protection.Thereby with slag preparation cement tile technology be a kind of press for to have energy-conservation profit useless and reduce the novel slag cement watt preparation technique of advantages such as product cost.
Summary of the invention
The invention provides a kind of environment-friendly cement tile that can use slag, utilizing waste resource, when reducing part cement, river sand consumption, can also work in coordination with other cement tile batching and play a role as preparation of raw material.
For reducing the cement tile production cost; Solve the problem of environmental pollution that slag brought; The present invention takes following technical scheme: a kind of environment-friendly cement tile that is mixed with slag is on the basis of ordinary Portland cement watt raw materials for production, to add the environment-friendly cement tile that slag prepares.
Said slag is to be loose shape or block last residue through shrend after lump coal or the beans burning.The fineness modulus of said slag is 3.5-4.0.
Specifically, the said composition of raw materials that is mixed with the environment-friendly cement tile of slag comprises following components by weight portion: slag 5-60 part, cement 80-130 part, sand 75-165 part, hydrophober 0-1.6 part, water 20-39 part.
Said cement is preferably silicate series cement or sulphate aluminium cement.
Said slag is loose shape or block last residue through shrend after being preferably lump coal or beans burning.The fineness modulus of said slag is 3.5-4.0.
It is that 2.3-3.0, mud content are the natural sand of 0-2.0% that said sand is preferably fineness modulus.
Said hydrophober is preferably calcium stearate, dolomol class or Powder category-A etc.; Use calcium stearate or dolomol class consumption to be 1.0-1.6 part, using PowderA class consumption is 0.12 part.
Second purpose of the present invention provides a kind of preparation method of environment-friendly cement tile.
The preparation method of environment-friendly cement tile provided by the present invention can may further comprise the steps:
1) getting material by following parts by weight proportioning mixes: slag 5-60 part, and cement 80-130 part, sand 75-165 part, hydrophober 0-1.2 part, water 20-39 part mixes above-mentioned raw materials;
2) compression moulding; Pressure 6-20MPa, the pressurization retention time is more than 2 seconds;
3) maintenance: after the demoulding, maintenance immersion after 24 hours under the situation of trickle not, trickle or natural curing.Obtain environment-friendly cement tile.
The invention provides a kind of environment-friendly cement tile that is mixed with slag.This material is the part cement that adopts in the discarded slag to replace tradition cement tile, and it is evenly mixed the environment-friendly cement tile that obtains by a certain percentage with cement, sand, water etc.Experiment showed, that the slag that adds in this material mainly is when the cement tile rupture strength satisfies standard-required, consume a large amount of slags, reduce part cement, river sand consumption, utilized discarded object, practiced thrift resource and protected environment.
The specific embodiment
The present invention is mixed with the environment-friendly cement tile of slag, is on the basis of ordinary Portland cement watt raw materials for production, to be added with the environment-friendly cement tile that slag prepares.
Suitable the present invention is mixed with the environment-friendly cement tile raw material of slag, comprises following components by weight portion: slag 5-60 part, cement 80-130 part, sand 75-165 part, hydrophober 0-1.6 part, water 20-39 part.
Here, slag is to be loose shape or block last residue through shrend after lump coal or the beans burning.Fineness modulus is 3.5-4.0.It mainly acts on is the consumption of physical replacement cement and sand.The inventor sums up in research practice: say SiO in the used slag from mechanism 2/ Al 2O 3=48.76/17.22, and active SiO 2And Al 2O 3Less; Large percentage has been explained the hydrated calcium silicate that the basicity that generates is lower and the negligible amounts of drated calcium aluminate hydrated product, and proportion is less; The mutual snap action of hydrated calcium silicate and drated calcium aluminate is little to the contribution of intensity, so mixing of slag is pure physical action.Slag has replaced the natural river sand of part, because the slag structure is more empty, a lot of holes is arranged on the one hand; Very strong water imbibition is arranged, and the water major part that adds during mix is inhaled by slag and is gone, and some water is the free state existence when making hydrated cementitious; Make water mudrock structure not fine and close, porosity increases, and influences early strength; On the other hand, mixing of slag slackened the skeleton function of natural river sand in cement briquette, is unfavorable for the development of intensity.Even so, through detecting, the cement tile that in the certain numerical value scope, adds slag still meets standard (JC/T746-2007) requirement of strength of ordinary Portland cement watt, therefore, in cement tile, uses slag to be embodied in aspect the twice laid greatly.
Cement is preferably silicate series cement or sulphate aluminium cement.
The preferred fineness modulus of sand is that 2.3-3.0, mud content are the natural sand of 0-2.0%.
Hydrophober is preferably calcium stearate, dolomol class or Powder A (German Wa Ke company commodity) type etc., and consumption selects for use PowderA time-like consumption at 0.12 part 1-1.6 part when selecting calcium stearate, dolomol for use.The hydrophober water absorption rate that is used to reduce cement tile is to meet the cement tile standard-required in the present invention.
Below in conjunction with specific embodiment the present invention is explained further details.Method therefor is conventional method if no special instructions among the embodiment.
Embodiment 1, be mixed with the preparation and the Performance Detection thereof of the environment-friendly cement tile of slag
Prepare slag cement watt with following method, concrete grammar may further comprise the steps:
1) weighs and get material: slag (fineness modulus is 3.9) 15kg, Portland cement (the P.O42.5 model is available from Hebei province Ji Dong Cement Group Co., Ltd) 100kg; River sand (fineness modulus is 2.5) 135kg; PowderA0.12kg, water 26kg is mixed into wet feed with above-mentioned raw materials;
2) wet feed is inserted compression moulding in the Standard Module; Pressure 10MPa, 3 seconds retention times of pressurization;
3) standard curing: after the demoulding, maintenance is 24 hours under the situation of trickle not, the maintenance of back immersion bubble;
Obtain being mixed with the environment-friendly cement tile of slag.
According to the method for testing performance among " concrete tile " the standard JC/T 746-2007 (table 1) environment-friendly cement tile that the present invention is mixed with slag is detected.Testing result is as shown in table 2, show that the environment-friendly cement tile that is mixed with slag with the inventive method preparation not only meets standard, and its intensity index also is higher than standard figures.
The performance indications of cement tile among table 1 " concrete tile " the standard JC/T 746-2007
Project Unit Index
Rupture strength N ≥1200
Water absorption rate ％ ≤10
Anti-permeability performance ?- The phenomenon that seeps water must not appear in the tile back side
After 25 freeze thawing circulation, rupture strength N ≥1200
After 25-20 ℃ to+20 ℃ freeze thawing circulation, anti-permeability performance ?- The phenomenon that seeps water must not appear in the tile back side
Table 2 is pressed the testing result of JC/T 746-2007 standard
Project Unit Index
Rupture strength N 1993.54
Water absorption rate ％ 9.7
Anti-permeability performance - The tile back side does not have the infiltration phenomenon
After 25-20 ℃ to+20 ℃ freeze thawing circulation, rupture strength ?N 1897.09
After 25 freeze thawing circulation, anti-permeability performance - The tile back side does not have the infiltration phenomenon
Embodiment 2, be mixed with the preparation and the Performance Detection thereof of the environment-friendly cement tile of slag
Prepare the environment-friendly cement tile that is mixed with slag with following method, concrete grammar may further comprise the steps:
1) weigh and get material: slag (fineness modulus is 3.5) 60kg, sulphate aluminium cement (the R-SAC42.5 model is available from Tangshan six or nine cement Co., Ltds) 80kg, river sand (fineness modulus is 2.3) 110kg, calcium stearate 1.0kg, water 20kg mixes above-mentioned raw materials;
2) compression moulding; Pressure 20MPa, 2 seconds retention times of pressurization;
3) standard curing: after the demoulding, maintenance is 24 hours under the situation of trickle not, back showering curing.
Obtain being mixed with the environment-friendly cement tile of slag.
According to the method for testing performance among " concrete tile " the standard JC/T 746-2007 (table 1) environment-friendly cement tile that the present invention is mixed with slag is detected.Testing result is as shown in table 3, show that the environment-friendly cement tile that is mixed with slag with the inventive method preparation meets standard, and its intensity index also is higher than standard figures.
Table 3 is pressed the testing result of JC/T 746-2007 standard
Project Unit Index
Rupture strength N 1639.85
Water absorption rate ％ 9.9
Anti-permeability performance - The tile back side does not have the infiltration phenomenon
After 25-20 ℃ to+20 ℃ freeze thawing circulation, rupture strength ?N ?1543.39
After 25 freeze thawing circulation, anti-permeability performance - The tile back side does not have the infiltration phenomenon
Embodiment 3, be mixed with the preparation and the Performance Detection thereof of the environment-friendly cement tile of slag
Prepare the environment-friendly cement tile that is mixed with slag with following method, concrete grammar may further comprise the steps:
1) weigh and get material: slag (fineness modulus is 4.0) 5kg, Portland cement (the P.O42.5 model is available from Hebei province Ji Dong Cement Group Co., Ltd) 130kg, river sand (fineness modulus is 3.0) 115kg, water 39kg mixes above-mentioned raw materials;
2) compression moulding; Pressure 6MPa, 3 seconds retention times of pressurization;
3) standard curing: after the demoulding, maintenance is 24 hours under the situation of trickle not, back natural curing;
Obtain being mixed with the environment-friendly cement tile of slag.
According to the method for testing performance among " concrete tile " the standard JC/T 746-2007 (table 1) environment-friendly cement tile that the present invention is mixed with slag is detected.Testing result is as shown in table 4, show that the environment-friendly cement tile that is mixed with slag with the inventive method preparation meets standard, and its intensity index also is higher than standard figures.
Table 4 is pressed the testing result of JC/T 746-2007 standard
Project Unit Index
Rupture strength N 2218.63
Water absorption rate ％ 9.0
Anti-permeability performance - The tile back side does not have the infiltration phenomenon
After 25-20 ℃ to+20 ℃ freeze thawing circulation, rupture strength ?N ?2057.86
After 25 freeze thawing circulation, anti-permeability performance - The tile back side does not have the infiltration phenomenon
Embodiment 4～6, be mixed with the preparation and the Performance Detection thereof of the environment-friendly cement tile of slag
Get material by table 5 proportioning; Use the method preparation identical to be mixed with the environment-friendly cement tile of slag with embodiment 1-3; According to the method for testing performance among " concrete tile " the standard JC/T 746-2007 (table 1) environment-friendly cement tile that is mixed with slag that obtains is detected; Testing result is as shown in table 5, shows that the environment-friendly cement tile that is mixed with slag with the inventive method preparation meets standard.
The proportioning raw materials of table 5 embodiment 4～6 and product testing result
Figure G2009100900644D00061
Above embodiment shows that the present invention can utilize discarded slag to prepare environment-friendly cement tile, and its product meets existing concrete tile standard fully, and its intensity index also is higher than standard figures.And the present invention has utilized waste resource, does not also have new pollution to produce in the preparation process, adapts to environmental protection concept, and the present invention will play a great role at building field, and market prospects are wide.

Claims (7)

1. an environment-friendly cement tile that is mixed with slag is on the basis of ordinary Portland cement watt raw material, to be added with the cement tile that slag is processed; The composition of raw materials of said environment-friendly cement tile comprises following components by weight portion: slag 5-60 part, cement 80-130 part, sand 75-165 part, hydrophober 0-1.6 part, water 20-39 part;
Wherein: said slag is to be loose shape or block last residue through shrend after lump coal or the beans burning; The fineness modulus of said slag is 3.5-4.0.
2. the environment-friendly cement tile that is mixed with slag according to claim 1 is characterized in that: said cement is silicate series cement, sulphate aluminium cement.
3. the environment-friendly cement tile that is mixed with slag according to claim 1 is characterized in that: said sand is that fineness modulus is 2.3-3.0, and mud content is a 0-2.0% nature sand.
4. according to the arbitrary described environment-friendly cement tile that is mixed with slag of claim 1 to 3, it is characterized in that: said hydrophober is calcium stearate, dolomol class or Powder category-A.
5. the environment-friendly cement tile that is mixed with slag according to claim 4 is characterized in that: said hydrophober is selected calcium stearate or dolomol for use, and its consumption in said environment-friendly cement tile raw material is the 1-1.6 weight portion.
6. the environment-friendly cement tile that is mixed with slag according to claim 4 is characterized in that: said hydrophober is selected PowderA for use, and its consumption in said environment-friendly cement tile raw material is 0.12 weight portion.
7. one kind prepares the arbitrary said method that is mixed with the environment-friendly cement tile of slag of claim 1 to 6, may further comprise the steps:
1) proportioning is got material by weight, and raw material stirring is mixed into wet feed;
2) wet feed is inserted compression moulding in the mould, pressure 6-20MPa, the pressurization retention time is no less than 2 seconds;
3) standard curing: after the demoulding, maintenance immersion after 24 hours under the situation of trickle not, trickle or natural curing obtain being mixed with the environment-friendly cement tile of slag.
CN2009100900644A 2009-07-27 2009-07-27 Environmental-friendly cement tile mixed with slag and preparation method thereof Active CN101624855B (en)

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Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
CN106277969A (en) * 2016-08-07 2017-01-04 淄博精诚专利信息咨询有限公司 A kind of high impermeable cement tile and preparation method thereof
CN106278052B (en) * 2016-08-19 2019-01-18 江苏兆佳建材科技有限公司 A kind of cement tile and preparation method thereof mixed with modified pearl rock powder
CN106278055B (en) * 2016-08-19 2019-01-15 徐州对河建材有限公司 A kind of cement tile and preparation method thereof mixed with modified basalt mountain flour
CN106278053B (en) * 2016-08-19 2018-10-30 陈朱亨 A kind of cement tile and preparation method thereof

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