CN103951459A - Method for preparing foam cement by utilizing fly ash ceramsite as lightweight aggregate - Google Patents
Method for preparing foam cement by utilizing fly ash ceramsite as lightweight aggregate Download PDFInfo
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- CN103951459A CN103951459A CN201410153956.5A CN201410153956A CN103951459A CN 103951459 A CN103951459 A CN 103951459A CN 201410153956 A CN201410153956 A CN 201410153956A CN 103951459 A CN103951459 A CN 103951459A
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- lytag
- foam cement
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- 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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- Curing Cements, Concrete, And Artificial Stone (AREA)
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Abstract
The invention relates to a method for preparing foam cement by utilizing fly ash ceramsite as lightweight aggregate. The specific process is as follows: step a), adding sodium carboxymethyl cellulose into water and dissolving to obtain sodium carboxymethyl cellulose water solution; step b), adding polyvinyl alcohol solution into the solution, uniformly stirring, then sequentially adding fly ash ceramsite and mixture while stirring, uniformly stirring, finally adding hydrogen peroxide into slurry which is mixed uniformly, fast stirring, placing into a mold, hardening and molding, performing final setting, demolding and performing indoor moisturizing spray or covering a film for curing till a testing period so as to obtain fly ash ceramsite foam cement. According to the method, by adding sodium carboxymethyl cellulose, a weak area between aggregate and cement slurry is improved, the bonding strength is improved, the mechanical properties and the durability of foam cement are significantly improved and the floating problem of ceramsite is solved.
Description
Technical field
The present invention relates to building material field, relate in particular to a kind of lytag that utilizes and prepare the method for foam cement for light skeletal.
Background technology
The features such as haydite has that unit weight is light, intensity is high, thermal conductivity is low, fire-resistant, impervious, sound-absorbing, chemical stability are good, can replace common sandstone preparation light-weight aggregate foam cement,, aborning, have the phenomenon of haydite floating; At present, haydite is mainly made through oversintering taking clay as raw material, and the source overwhelming majority of raw clay is taken from arable land, causes the irrational utilization of cultivated land resource, therefore, makes otherwise to make the necessity of cement on possessing skills.
In view of above-mentioned defect, creator of the present invention has obtained this creation finally through long research and practice.
Summary of the invention
The object of the present invention is to provide a kind of lytag that utilizes to prepare the method for foam cement for light skeletal, in order to overcome above-mentioned technological deficiency.
For achieving the above object, the invention provides a kind of lytag that utilizes and prepare the method for foam cement for light skeletal, this detailed process is:
Step a, is added to the water dissolving by Xylo-Mucine, obtains sodium carboxymethyl cellulose solution;
Step b adds polyvinyl alcohol solution in above-mentioned solution, stirs, then,, in stirring, add successively lytag and compound, stir, last, in the slip having mixed, add hydrogen peroxide, rapid stirring, enters mould, hardened forming, final set, the demoulding, to testing the length of time, obtains lytag foam cement in indoor moisturizing water spray or coating film maintenance.
Further, in above-mentioned steps b, add polyvinyl alcohol solution and Xylo-Mucine mass ratio be (1.1-1.6): (0.3-0.8), it is (90-120) that institute adds the mass ratio of haydite, compound: (200-260): 0.2: (0.1-0.5); To add the volume of hydrogen peroxide be 12-19mL.
Further, in above-mentioned steps b, described compound comprises cement, Manganse Dioxide, naphthalene water reducer.
Further, in above-mentioned steps a, utilize Xylo-Mucine as the interface of cohering haydite and foam cement.
Further, in above-mentioned steps b, described lytag surface smoothing, the high hole phenomenon of aglite as none.
Further, described polyvinyl alcohol solution concentration is 10%, and the concentration of described hydrogen peroxide is 30%.
Further, in above-mentioned steps b, adding churning time after hydrogen peroxide is 15s.
Further, in above-mentioned steps b, after hardened forming through within 1 day, reaching final set.
Further, in described step b indoor water spray or coating film maintenance 28 days to testing the length of time.
Beneficial effect of the present invention is compared with prior art: the light-weight aggregate that the present invention selects is by useful rejected material flyash regeneration and reliable material-lytag, and wherein fly ash content, more than 80%, belongs to environmental protection building material.The present invention has improved the weak area between aggregate and grout by adding sodium carboxymethyl-cellulose, has improved cohesive strength, and the mechanical property of foam cement and weather resistance are significantly improved, and has solved the problem of haydite floating.
Light skeletal preferred powder flyash haydite of the present invention is a kind of friendly shaped material of environment that meets modern architecture Liquified gas tanker.
Embodiment
Below, the present invention above-mentioned technical characterictic and advantage with other are described in more detail.
The present invention utilizes lytag to prepare the method for foam cement for light skeletal, specifically comprises the steps,
Comprise the following steps:
Step a, is added to the water dissolving by Xylo-Mucine, obtains sodium carboxymethyl cellulose solution; Utilize Xylo-Mucine as the interface of cohering haydite and foam cement.
Step b, be 10% polyvinyl alcohol solution to adding concentration in above-mentioned solution, stir, then, in stirring, add successively lytag and compound, described compound comprises cement, Manganse Dioxide, naphthalene water reducer, stir, finally, be 30% hydrogen peroxide to adding concentration in the slip having mixed, rapid stirring 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtain lytag foam cement indoor moisturizing water spray or coating film maintenance 28 days.
Wherein, add polyvinyl alcohol solution and Xylo-Mucine mass ratio be (1.1-1.6): (0.3-0.8), it is (90-120) that institute adds the mass ratio of haydite, compound: (200-260): 0.2: (0.1-0.5); To add the volume of hydrogen peroxide be 12-19mL.
In above-mentioned steps b, cement is ordinary Portland cement, and raw material is extensive, economical and practical.Lytag surface smoothing, the high hole phenomenon of aglite as none, this can significantly reduce aggregate water-intake rate, changes over aglite high water absorbing capacity, and character is newly mixed in impact, or destroys the shortcoming of cement slurry quality because adding water.The maintenance of foam cement adopts moisturizing water spray or coating film maintenance, and not only economy but also feasible of this water spray or coating film maintenance makes it have lower thermal expansivity, preferably heat insulation, sound insulation and fire performance.
Embodiment mono-:
Step a11, adds the Xylo-Mucine of 0.5g in the water of 110mL, leaves standstill Xylo-Mucine is fully dissolved in water, obtains sodium carboxymethyl cellulose solution;
Step b11, to the polyvinyl alcohol solution 1.2g that adds 10% in above-mentioned solution, stir, then, in stirring, add successively lytag, the compound of 100g, described compound comprises cement 240g, Manganse Dioxide 0.2g, naphthalene water reducer 0.3g, stir, finally, be 30% hydrogen peroxide to adding 15mL concentration in the slip having mixed, rapid stirring 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtain lytag foam cement indoor water spray or coating film moisture-keeping maintaining 28 days.
Wherein, the mass ratio of the carboxymethyl cellulose in polyvinyl alcohol solution in described step b12 (10%) and sodium carboxymethyl cellulose solution is 1.2: 0.5, when fully wetting in the carboxymethylcellulose sodium solution that is containing polyvinyl alcohol until lytag, add compound, rapid stirring is even, add 30% hydrogen peroxide to stir 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtains lytag foam cement indoor water spray or coating film moisture-keeping maintaining 28 days.
Embodiment bis-:
Step a21, adds the Xylo-Mucine of 0.5g in the water of 115mL, leaves standstill Xylo-Mucine is fully dissolved in water, obtains sodium carboxymethyl cellulose solution;
Step b21, to the polyvinyl alcohol solution 1.3g that adds 10% in above-mentioned solution, stir, then, in stirring, add successively lytag, the compound of 100g, described compound comprises cement 240g, Manganse Dioxide 0.2g, naphthalene water reducer 0.3g, stir, finally, be 30% hydrogen peroxide to adding 15mL concentration in the slip having mixed, rapid stirring 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtain lytag foam cement indoor moisturizing water spray or coating film maintenance 28 days.
Wherein, the mass ratio of the Xylo-Mucine in described step b21 in 10% polyvinyl alcohol solution and sodium carboxymethyl cellulose solution is 1.3: 0.5, when fully wetting in the carboxymethylcellulose sodium solution that is containing polyvinyl alcohol until lytag, add compound, rapid stirring is even, add 30% hydrogen peroxide to stir 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtains lytag foam cement indoor water spray or coating film moisture-keeping maintaining 28 days.
Embodiment tri-:
Step a31, adds the Xylo-Mucine of 0.5g in the water of 105mL, leaves standstill Xylo-Mucine is fully dissolved in water, obtains sodium carboxymethyl cellulose solution;
Step b31, to the polyvinyl alcohol solution 1.4g that adds 10% in above-mentioned solution, stir, then, in stirring, add successively haydites of book structure, the compound of 100g, described compound comprises cement 220g, Manganse Dioxide 0.2g, naphthalene water reducer 0.3g, stir, finally, be 30% hydrogen peroxide to adding 15mL concentration in the slip having mixed, rapid stirring 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtain haydites of book structure foam cement indoor moisturizing water spray or coating film maintenance 28 days.
Wherein, the mass ratio of the Xylo-Mucine in described step b31 in 10% polyvinyl alcohol solution and sodium carboxymethyl cellulose solution is 1.4: 0.5, when fully wetting in the carboxymethylcellulose sodium solution that is containing polyvinyl alcohol, adds compound until haydites of book structure, rapid stirring is even, add 30% hydrogen peroxide to stir 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtains haydites of book structure foam cement indoor water spray or coating film moisture-keeping maintaining 28 days.
Embodiment tetra-:
Step a41, adds the Xylo-Mucine of 0.3g in the water of 105mL, leaves standstill Xylo-Mucine is fully dissolved in water, obtains sodium carboxymethyl cellulose solution;
Step b41, to the polyvinyl alcohol solution 1.6g that adds 10% in above-mentioned solution, stir, then, in stirring, add successively sludge ceramsite, the compound of 100g, described compound comprises cement 240g, Manganse Dioxide 0.2g, naphthalene water reducer 0.5g, stir, finally, be 30% hydrogen peroxide to adding 15mL concentration in the slip having mixed, rapid stirring 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtain sludge ceramsite foam cement indoor moisturizing water spray or coating film maintenance 28 days.
Wherein, the mass ratio of the Xylo-Mucine in described step b41 in 10% polyvinyl alcohol solution and sodium carboxymethyl cellulose solution is 1.6: 0.3, when fully wetting in the carboxymethylcellulose sodium solution that is containing polyvinyl alcohol, adds compound until sludge ceramsite, rapid stirring is even, add 30% hydrogen peroxide to stir 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtains sludge ceramsite foam cement indoor water spray or coating film moisture-keeping maintaining 28 days.
Embodiment five:
Step a51, adds the Xylo-Mucine of 0.5g in the water of 120mL, leaves standstill Xylo-Mucine is fully dissolved in water, obtains sodium carboxymethyl cellulose solution;
Step b51, to the polyvinyl alcohol solution 1.4g that adds 10% in above-mentioned solution, stir, then, in stirring, add successively two kinds of 100g to mix haydite, compound, described compound comprises cement 240g, Manganse Dioxide 0.2g, naphthalene water reducer 0.3g, stir, finally, be 30% hydrogen peroxide to adding 15mL concentration in the slip having mixed, rapid stirring 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtain haydite foaming cement indoor moisturizing water spray or coating film maintenance 28 days.
Wherein, the mass ratio of the Xylo-Mucine in described step b51 in 10% polyvinyl alcohol solution and sodium carboxymethyl cellulose solution is 1.4: 0.5, when fully wetting in the carboxymethylcellulose sodium solution that is containing polyvinyl alcohol, adds compound until haydite, rapid stirring is even, add 30% hydrogen peroxide to stir 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtains haydite foaming cement indoor water spray or coating film moisture-keeping maintaining 28 days.
Test taking the prepared test specimen of embodiment bis-as tested object, the 28 day length of time ultimate compression strength and Absolute Dry Density test, carry out with reference to GB/T5486-2008 " inorganic hard insulating product test method ", Determination of conductive coefficients is with reference to GB/T10294-2008 " the mensuration protective heat plate method of Technology of Steady State Thermal Resistance of Thermal Insulating Material and related characteristics ".
The properties of table 1 lytag foam cement
Can find that by the data in table 1 the present invention meets the requirement of the indices of national external wall thermal insulation material, have low density, high strength, thermal conductivity low, do not fire, the feature of high-durability, be a kind of well inorganic heat insulation material.
Embodiment six:
Step a61, adds the Xylo-Mucine of 0.7g in the water of 120mL, leaves standstill Xylo-Mucine is fully dissolved in water, obtains sodium carboxymethyl cellulose solution;
Step b61, to the polyvinyl alcohol solution 1.3g that adds 10% in above-mentioned solution, stir, then, in stirring, add successively lytag, the compound of 110g, described compound comprises cement 230g, Manganse Dioxide 0.2g, naphthalene water reducer 0.3g, stir, finally, the hydrogen peroxide that is 30% to the concentration that adds 15mL in the slip having mixed, rapid stirring 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtain haydite foaming cement indoor moisturizing water spray or coating film maintenance 28 days.
Wherein, the mass ratio of the Xylo-Mucine in described step b61 in 10% polyvinyl alcohol solution and sodium carboxymethyl cellulose solution is 1.3: 0.7, when fully wetting in the carboxymethylcellulose sodium solution that is containing polyvinyl alcohol until lytag, add compound, rapid stirring is even, add 30% hydrogen peroxide to stir 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtains lytag foam cement indoor water spray or coating film moisture-keeping maintaining 28 days.
Embodiment seven:
Step a71, adds the Xylo-Mucine of 0.8g in the water of 120mL, leaves standstill Xylo-Mucine is fully dissolved in water, obtains sodium carboxymethyl cellulose solution;
Step b71, to the polyvinyl alcohol solution 1.3g that adds 10% in above-mentioned solution, stir, then, in stirring, add successively lytag, the compound of 90g, described compound comprises cement 200g, Manganse Dioxide 0.2g, naphthalene water reducer 0.3g, stir, finally, the hydrogen peroxide that is 30% to the concentration that adds 15mL in the slip having mixed, rapid stirring 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtain haydite foaming cement indoor moisturizing water spray or coating film maintenance 28 days.
Wherein, the mass ratio of the Xylo-Mucine in described step b71 in 10% polyvinyl alcohol solution and sodium carboxymethyl cellulose solution is 1.3: 0.8, when fully wetting in the carboxymethylcellulose sodium solution that is containing polyvinyl alcohol until lytag, add compound, rapid stirring is even, add 30% hydrogen peroxide to stir 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtains lytag foam cement indoor water spray or coating film moisture-keeping maintaining 28 days.
Embodiment eight:
Step a81, adds the Xylo-Mucine of 0.8g in the water of 140mL, leaves standstill Xylo-Mucine is fully dissolved in water, obtains sodium carboxymethyl cellulose solution;
Step b81, to the polyvinyl alcohol solution 1.6g that adds 10% in above-mentioned solution, stir, then, in stirring, add successively lytag, the compound of 120g, described compound comprises cement 260g, Manganse Dioxide 0.2g, naphthalene water reducer 0.5g, stir, finally, be 30% hydrogen peroxide to adding 15mL concentration in the slip having mixed, rapid stirring 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtain haydite foaming cement indoor moisturizing water spray or coating film maintenance 28 days.
Wherein, the mass ratio of the Xylo-Mucine in described step b81 in 10% polyvinyl alcohol solution and sodium carboxymethyl cellulose solution is 1.6: 0.8, when fully wetting in the carboxymethylcellulose sodium solution that is containing polyvinyl alcohol until lytag, add compound, rapid stirring is even, add 30% hydrogen peroxide to stir 15s, enter mould, hardened forming, final set after 1 day, the demoulding, to testing the length of time, obtains lytag foam cement indoor water spray or coating film moisture-keeping maintaining 28 days.
The foregoing is only preferred embodiment of the present invention, is only illustrative for invention, and nonrestrictive.Those skilled in the art is understood, and in the spirit and scope that limit, can carry out many changes to it in invention claim, amendment, and even equivalence, but all will fall within the scope of protection of the present invention.
Claims (9)
1. utilize lytag to prepare the method for foam cement for light skeletal, it is characterized in that, this detailed process is:
Step a, is added to the water dissolving by Xylo-Mucine, obtains sodium carboxymethyl cellulose solution;
Step b adds polyvinyl alcohol solution in above-mentioned solution, stirs, then,, in stirring, add successively lytag and compound, stir, last, in the slip having mixed, add hydrogen peroxide, rapid stirring, enters mould, hardened forming, final set, the demoulding, to testing the length of time, obtains lytag foam cement in indoor moisturizing water spray or coating film maintenance.
2. the lytag that utilizes according to claim 1 is prepared the method for foam cement for light skeletal, it is characterized in that, in above-mentioned steps b, add polyvinyl alcohol solution and Xylo-Mucine mass ratio be (1.1-1.6): (0.3-0.8), it is (90-120) that institute adds the mass ratio of haydite, compound: (200-260): 0.2: (0.1-0.5); To add the volume of hydrogen peroxide be 12-19mL.
3. the lytag that utilizes according to claim 2 is prepared the method for foam cement for light skeletal, it is characterized in that, in above-mentioned steps b, described compound comprises cement, Manganse Dioxide, naphthalene water reducer.
4. the lytag that utilizes according to claim 2 is prepared the method for foam cement for light skeletal, it is characterized in that, in above-mentioned steps a, utilizes Xylo-Mucine as the interface of cohering haydite and foam cement.
5. prepare the method for foam cement according to the lytag that utilizes described in claim 2 or 3 for light skeletal, it is characterized in that, in above-mentioned steps b, described lytag surface smoothing, the high hole phenomenon of aglite as none.
6. prepare the method for foam cement according to the lytag that utilizes described in claim 2 or 3 for light skeletal, it is characterized in that, described polyvinyl alcohol solution concentration is 10%, and the concentration of described hydrogen peroxide is 30%.
7. the lytag that utilizes according to claim 6 is prepared the method for foam cement for light skeletal, it is characterized in that, in above-mentioned steps b, adding churning time after hydrogen peroxide is 15s.
8. the lytag that utilizes according to claim 6 is prepared the method for foam cement for light skeletal, it is characterized in that, in above-mentioned steps b, after hardened forming through within 1 day, reaching final set.
9. the lytag that utilizes according to claim 7 is prepared the method for foam cement for light skeletal, it is characterized in that, in described step b, indoor water spray or coating film maintenance 28 days are to testing the length of time.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446627A (en) * | 2014-12-13 | 2015-03-25 | 广西科技大学 | Composite foamed cement |
| CN108046827A (en) * | 2017-12-23 | 2018-05-18 | 安徽国电能源设备工程有限公司 | A kind of strong thermal insulation foaming cement of adhesive property |
| CN108894455A (en) * | 2018-08-02 | 2018-11-27 | 北京启顺京腾科技有限责任公司 | A kind of production method of new and improved decorative panel |
| CN116789438A (en) * | 2023-05-30 | 2023-09-22 | 徐州振丰新型墙体材料有限公司 | Sintered brick based on solid waste treatment and preparation method thereof |
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| CN103232259A (en) * | 2013-04-02 | 2013-08-07 | 陕西科技大学 | Preparation method for inorganic noninflammable lightweight foamed cement |
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| CN103232259A (en) * | 2013-04-02 | 2013-08-07 | 陕西科技大学 | Preparation method for inorganic noninflammable lightweight foamed cement |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446627A (en) * | 2014-12-13 | 2015-03-25 | 广西科技大学 | Composite foamed cement |
| CN108046827A (en) * | 2017-12-23 | 2018-05-18 | 安徽国电能源设备工程有限公司 | A kind of strong thermal insulation foaming cement of adhesive property |
| CN108894455A (en) * | 2018-08-02 | 2018-11-27 | 北京启顺京腾科技有限责任公司 | A kind of production method of new and improved decorative panel |
| CN116789438A (en) * | 2023-05-30 | 2023-09-22 | 徐州振丰新型墙体材料有限公司 | Sintered brick based on solid waste treatment and preparation method thereof |
| CN116789438B (en) * | 2023-05-30 | 2024-04-02 | 徐州振丰新型墙体材料有限公司 | Sintered brick based on solid waste treatment and preparation method thereof |
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