CN1076672A - Mixed low-clinker active cement - Google Patents
Mixed low-clinker active cement Download PDFInfo
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- CN1076672A CN1076672A CN92108072A CN92108072A CN1076672A CN 1076672 A CN1076672 A CN 1076672A CN 92108072 A CN92108072 A CN 92108072A CN 92108072 A CN92108072 A CN 92108072A CN 1076672 A CN1076672 A CN 1076672A
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- cement
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- grog
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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
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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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- 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
Mixed low-clinker active cement belongs to building material technical field.The technical problem that solves is to reduce the consumption of grog, enlarges the kind that can be used as cement additive and is guaranteeing that cement has under the prerequisite of superperformance, improves the volume of mixing material, has both improved some performance of portland cement, reduces cost again.The major technique feature is mixed levigate by low grog, active addition (various slags, pozzolana mixed material, other industrial residues) and admixture together.Durability index such as its anti-charing, the steel protection property are suitable with high cement clinker, and resisting erosion of sulfate etc. then is better than high cement clinker.Be applicable to preparation cement and building material made.
Description
The invention belongs to building material technical field.
In the prior art, since portland cement comes out, obtained to develop rapidly, become indispensable material of construction with its good performance.Except that a small amount of gypsum, portland cement all is a grog, and burning till of grog needs a large amount of energy consumptions.Through continuous experimental study, people have mixed into various active or inactive mixing materials in portland cement, both improved some performance of portland cement, have reduced cost again.Different according to the kind of mixing material and volume, these cement that derived from by portland cement have: Portland cement, Portland blast, Portland pozzolana cement and pulverized fuel ash cement or the like.
In these mixing materials, what use in a large number is active addition, and because of its volume is bigger, the later strength increasing degree is also big, and the later strength that has has also surpassed portland cement.Even so, in mixing these cement of blended material, grog is still main body, and its cost is still higher, and these cement common shortcomings are that early strength is low.For improving volume, must select active high mixing material for use.When activity is hanged down, be the quality that guarantees cement, its volume generally is less than 30%, and some can only be used to produce Portland cement (volume≤15%).As titanium ore slag, phosphorus ore slag, ferromanganese ore slag, acid slag, the slag that boils, flyash equal industrial residue, in existing Cement industry, volume is not high, and some does not also obtain utilizing, and becomes the slag calamity, causes environmental pollution.
Purpose of the present invention: in view of above-mentioned present situation, for expansion can be used as the kind of cement additive and is guaranteeing that cement has under the prerequisite of superperformance, improve the volume of mixing material, to save energy, reduce cost, improve environmental sanitation, promote the development of Cement industry, will have earth shaking social benefit and economic benefit.
Grog stimulating activity mixing material, not having is that effectively this has been well known fact with fixed attention.But this excite just one-side.Even various active material chemical ingredientss are identical, but its mineral composition and mineral structure also are distinguishing, thereby some blended material is the lateral reactivity that is difficult to excite them with grog only.Except that alkaline excitation, and vitriol also has excitation to active mixed material.If only rely on vitriol, it excites also is one-side, and effect is than only also less better with grog.But,, make it to become and comprehensively excite and reach best effect if coordinate both relations, must improve the lateral reactivity of blended material greatly, the present invention has carried out a large amount of proportion research for reaching this purpose to the various active mixing material, has obtained obvious effects.
Content of the present invention:
(1), grog: being mainly portland cement clinker, also can be the cement clinker of other kinds, can be a kind of grog, also can be two or more grogs and usefulness.
(2), active addition:
A. various slags.Comprise common granulated blast-furnace slag (alkalescence, neutral, acidity all can), ferromanganese blast furnace slag, phosphorus ore slag, titanium ore slag, slag etc.
B. pozzolana mixed material.Comprise artificial pozzolana mixed material (as boiling furnace slag, flyash, coal gangue, slag etc.) and natural volcanic ash matter blended material (as zeolite, float stone etc.).
C. other contain the industrial residue or the natural mineral of reactive silicate or active silica-alumina hydrochlorate.
Can only use a kind of active addition, also can be two or more the compound use of active addition, can also mix the nonactive mixing material of part.
(3), admixture kind and volume scope thereof:
Table 1 has been listed used admixture kind of the present invention and volume scope thereof.Volume following is limited to zero, represents that this admixture can not mix certain active mixed material, promptly also can not mix when grog or active mixed material quality are higher.Therefore, utilize present technique, then can form different starting material flexible and changeable, and multi-form prescription.
Table 1. admixture and volume thereof
| The admixture title | Volume | Explanation |
| Gypsum | 0～10％ | Comprise that dihydrate gypsum, natural anhydrite, semi-hydrated gypsum, chemical gypsum, volume are with SO 3Meter |
| Calcined gypsum | 0～10％ | 500～1000 ℃ (best 650～850 ℃) calcining, 0.5～3h, volume is with SO 3Meter |
| The admixture title | Volume | Explanation |
| Na 2SO 4 | 0～5％ | Can industrial Na 2SO 4, saltcake ore deposit or industrial by-products Na 2SO 4, volume is with SO 3Meter |
| Lime | 0～5% | Available unslaked lime or slaked lime were rejected calcined lime, and volume is in CaO |
| Na 2SiF 6 | 0～10% | Volume is with Na 2SiF 6Meter |
| Adjustable solidification agent | 0～3％ | Comprise being used for cement and concrete hardening accelerator, accelerating chemicals and retardant, volume is in a kind of adjustable solidification agent |
| Water reducer | 0～3％ | As sulfonated lignin, naphthalene water reducer etc. |
1. the composition of the prescription of mixed low-clinker active cement, making method and compound additive cement, this method comprises following processing step:
(1). the prescription of mixed low-clinker active cement is:
Grog 5～50%, active mixed material 30～85%, D-1 type compound additive are Na
2SO
40.1～5%, gypsum 0.1～10%, calcined gypsum 0.1～10%.
(2). the making of mixed low-clinker active cement
Grog, blended material are mixed levigate with compound additive, or earlier with the compound additive corase grind together, levigate jointly with grog, mixing material again, the fineness requirement that its fineness reaches general slag cement gets final product.
Example 1. blended materials are alkaline slag 68%, grog 15%, Na
2SO
42.0%, gypsum 2.0%, bassanite 3.0%, flyash 10%.Its performance is as follows:
| Folding strength (MPa) | Ultimate compression strength (MPa) | ||||
| 3d | 7d | 28d | 3d | 7d | 28d |
| 5.7 | 8.4 | 9.5 | 26.8 | 37.2 | 49.2 |
The present invention has carried out a large amount of proportion research to the composition of various active blended material and compound additive, all obtains tangible best effect.As:
2. mixed low-clinker active cement D-2 type compound additive is:
Grog 5～50%, active mixed material 30～85%, compound additive are Na
2SO
40.1～5%, calcined gypsum 2～10%.
Example 2. blended materials are phosphorus ore slag 53%, grog 30%, Na
2SO
43.0%, bassanite 4.0%, flyash 10%.Its performance is as follows:
| Folding strength (MPa) | Ultimate compression strength (MPa) | ||||
| 3d | 7d | 28d | 3d | 7d | 28d |
| 5.2 | 6.9 | 8.5 | 21.6 | 33.2 | 52.6 |
3. mixed low-clinker active cement D-3 type compound additive is:
Grog 5～50%, active mixed material 30～85%, compound additive are gypsum 0.1～10%, calcined gypsum 0.1～10%, Na
2SiF
60.1～5%.
Example 3. blended materials are ferromanganese ore slag 58.5%, grog 30%, bassanite 4.0%, Na
2SiF
60.5%, coal gangue 7%, its performance are as follows:
| Folding strength (MPa) | Ultimate compression strength (MPa) | ||||
| 3d | 7d | 28d | 3d | 7d | 28d |
| 5.2 | 7.5 | 8.4 | 20.8 | 32.2 | 55.2 |
4. mixed low-clinker active cement D-4 type compound additive is:
Grog 5～50%, active mixed material 30～85%, compound additive are calcined gypsum 0.1～10%, Na
2SiF
60.1～5%.
Example 4. blended materials are alkaline slag 55%, grog 30%, bassanite 4.0%, Na
2SiF61.0%, flyash 10%.Its performance is as follows:
| Folding strength (MPa) | Ultimate compression strength (MPa) | ||||
| 3d | 7d | 28d | 3d | 7d | 28d |
| 5.6 | 6.8 | 8.3 | 25.8 | 36.0 | 55.0 |
5. mixed low-clinker active cement D-5 type compound additive is:
Grog 5～50%, active mixed material 30～85%, compound additive are Na
2SO
40.1～5%, gypsum and (or) calcined gypsum 1～10%, Na
2SiF
60.1～5%.
Example 5. blended materials are alkaline slag 62.6%, grog 30%, Na
2SO
41.8%, gypsum 4.5%, Na
2SiF
61.0%, wooden calcium 0.05%, ZnO0.05%.Its performance is as follows:
| Folding strength (MPa) | Ultimate compression strength (MPa) | ||||
| 3d | 7d | 28d | 3d | 7d | 28d |
| 6.0 | 7.8 | 10.5 | 28.8 | 45.2 | 64.8 |
6. mixed low-clinker active cement D-6 type compound additive is:
In the prescription of above-mentioned mixed low-clinker active cement 1-5, can increase lime and (or) adjustable solidification agent and (or) water reducer, form the cement formula of D-6 type compound additive, its volume is:
Lime (unslaked lime or slaked lime) 0.1～5%, adjustable solidification agent (comprising hardening accelerator, accelerating chemicals, retardant) 0.01～3%
Water reducer (as sulfonated lignin, bitter edible plant based water reducer etc.) 0.05～3%.
Example 6.1, blended material are titanium ore slag 47.85%, grog 30%, CaO2.0%, Na
2SO
43.0%, bassanite 5.0%, Na
2SiF
61.0%, boil slag 10%, sodium aluminate 1.0%, wooden calcium 0.075%, ZnO0.075%.Its performance is as follows:
| Folding strength (MPa) | Ultimate compression strength (MPa) | ||||
| 3d | 7d | 28d | 3d | 7d | 28d |
| 4.2 | 5.6 | 7.8 | 20.2 | 30.6 | 47.3 |
Example 6.2, blended material are boiling furnace slag 47.85%, grog 30%, CaO2.0%, Na
2SO
43.0%, bassanite 5.0%, Na
2SiF
61.0%, slag 10%, sodium aluminate 1.0%, wooden calcium 0.075%, ZnO0.075%.Its performance is as follows:
| Folding strength (MPa) | Ultimate compression strength (MPa) | ||||
| 3d | 7d | 28d | 3d | 7d | 28d |
| 4.2 | 6.4 | 8.3 | 19.8 | 36.0 | 54.4 |
Example 6.3, blended material are flyash 38.9%, grog 30%, CaO2.5%, Na
2SO
42.0%, gypsum 1.5%, bassanite 4.0%, Na
2SiF
60.5%, slag 15%, aluminate clinker 5%, wooden calcium 0.1%, CaCl
20.5%.Its performance is as follows:
| Folding strength (MPa) | Ultimate compression strength (MPa) | ||||
| 3d | 7d | 28d | 3d | 7d | 28d |
| 3.5 | 5.8 | 8.9 | 18.4 | 28.3 | 48.8 |
Example 6.4, blended material are coal gangue 39%, grog 30%, CaO2.0%, Na
2SO
42.0%, gypsum 2.0%, bassanite 4.0%, slag 15%, aluminate clinker 5%, alum 1.0%.Its performance is as follows:
| Folding strength (MPa) | Ultimate compression strength (MPa) | ||||
| 3d | 7d | 28d | 3d | 7d | 28d |
| 4.4 | 5.9 | 8.3 | 19.0 | 30.1 | 49.6 |
7. mixed low-clinker active cement D-7 type compound additive is:
Grog 5～50%, active mixed material 30～85%, compound additive are Na
2SO
40.3～3%, gypsum 1.5～10%, adjustable solidification agent 0.01～3% and (or) lime 0.1～3% and (or) water reducer 0.05～3%.
Example 7. blended materials are ferrous manganese ore 56% grog 30%, Na
2SO
42%, gypsum 4.0%, slag 10% boils.Its performance is as follows:
| Folding strength (MPa) | Ultimate compression strength (MPa) | ||||
| 3d | 7d | 28d | 3d | 7d | 28d |
| 6.2 | 8.0 | 9.7 | 26.4 | 40.6 | 56.2 |
Annotate: (1) above-mentioned D-1～7 type compound additives, wherein symbol D is low grog phonetic alphabet.
(2) above-mentioned 1～7 described active mixed material (30～80%) can be a kind of, two or more is compound.
8. the prescription of mixed low-clinker active cement described in above-mentioned 1～7, wherein used blended material is various slags, comprises common granulated blast-furnace slag (alkalescence, neutral, acidity all can), ferromanganese blast furnace slag, phosphorus ore slag, titanium ore slag, slag etc.; Also available artificial and natural various pozzolana mixed materials comprise that boiling furnace slag, flyash, coal gangue, slag, zeolite, float stone and other contain the industrial residue or the natural mineral of reactive silicate or silico-aluminate.Can only use a kind of active addition, also can be two or more the compound use of active addition, can also mix the nonactive mixing material of part.
Advantage of the present invention and positively effect thereof:
(1). test shows, reduces half at the grog consumption, even reduces under 3/4ths the situation, utilizes the cement of the technology of the present invention preparation, and its intensity index still is higher than or is not less than high cement clinker (correlation data sees Table 2).Existing cement mill then can significantly reduce the consumption of grog if adopt present technique, under the constant prerequisite of grog output, can improve cement output more than 1 times, will greatly reduce cost and energy consumption, and economic benefit is very remarkable.
(2). the technology of the present invention is to the active addition wide adaptability, and stimulation effect is strong.Generally believe that at present activity is low,, after using present technique, can produce cement and improve its volume by enough these mixing materials though also be not used in Cement industry or utilized the very low blended material of volume.For example, contain TiO
214.6% titanium ore slag, grog consumption are 60% o'clock, and 28 days intensity of its cement have only 22.0MPa, adopt the present technique prescription, are 30% to the grog consumption, and then 28 of the cement of being prepared days intensity can reach 47.2MPa.
The industrial residue, by product or the natural mineral that contain reactive silicate or aluminosilicate mineral, after utilizing present technique, all can be used as cement mixture, thereby widened the source of cement mixture, can be gathered materials on the spot in more cement mill, the technology of the present invention has remarkable social benefit, environmental benefit and economic benefit.
(3). endurance test shows, even the grog consumption is had only 15%, endurance quality indexs such as its anti-carbonization, the steel protection property are also suitable with high grog (60%) cement.Some durability index is as sulfate resistance (2%MgSO
4Solution) corrode etc., the present technique low-clinker cement then is better than high cement clinker.
(4). the cement early strength height that present technique is produced (can reach the early strength of Portland cement), and later stage gain in strength amplitude is also big, changed traditional low shortcoming of blended material cement early strength of mixing, thereby make the mould turnover fast, help improving operating efficiency, shorten construction period, reduce construction costs.
(5). utilize present technique to produce cement, grog, mixing material can be mixed with admixture levigate, or earlier with admixture corase grind one, levigate jointly with grog, mixing material again.Therefore, do not change the existing production route in cement mill, need not reinvest or only need a small amount of investment.
(6) but. utilize the technology of the present invention production various cement and building material made.For example, when adopting slag to be blended material, if control SO
3≤ 4%, but the operating mine slag portland cement, and every technical indicator meets the GB1344-85 requirement, if control SO
3=4～6%, then can produce low.In addition, change the kind and the volume of blended material, then can produce the Portland pozzolana cement, Portland fly ash cement, complex cement, masonry cement, dross slag cement of low grog etc.
Some also is not used in the industrial residue or the natural mineral of Cement industry at present, as second-rate titanium ore slag, flyash, coal gangue, slag or other metallurgical slags, and perlite, zeolite etc., when grog consumption higher (30～60%), utilize present technique also can successfully make 425
#Cement.
Present technique also can be directly used in produces non-burning brick, baking-free building block and other building material mades, and the non-burning brick of production supported under the situation, can be reached in seven days 100～No. 200 at mark, has overcome that general non-burning brick sclerosis is slow, curing cycle long, need the big shortcoming in turnover place.
The high cement clinker performance test of table 2.
The best way of implementing:
Adopt present technique preparation cement and building material made, do not change the existing production circuit in cement mill, the employing present technique so all have ready conditions in general cement mill need not be invested or only need and seldom be invested, and can obtain remarkable economic efficiency and social benefit.
Claims (8)
1, the composition of a kind of prescription of mixed low-clinker active cement, making method and compound additive cement, this method comprises following processing step:
(1), the prescription of mixed low-clinker active cement is:
Grog 5～50%, active mixed material 30～85%, D-1 type compound additive is Na
2SO
40.1～5%, gypsum 0.1～10%, calcined gypsum 0.1～10%.
(2), the making of mixed low-clinker active cement
Grog, blended material are mixed levigate with compound additive, or earlier with the compound additive corase grind together, levigate jointly with grog, mixing material again, the fineness requirement that its fineness reaches general slag cement gets final product.
2, the prescription of mixed low-clinker active cement according to claim 1 is characterized in that the cement formula of D-2 type compound additive is:
Grog 5～50%, active mixed material 30～85%, compound additive are Na
2SO
40.1～5%, calcined gypsum 2～10%.
3, the prescription of mixed low-clinker active cement according to claim 1 is characterized in that the cement formula of D-3 type compound additive is:
Grog 5～50%, active mixed material 30～85%, compound additive are gypsum 0.1～10%, calcined gypsum 0.1～10%, Na
2SiF
60.1～5%.
4, the prescription of mixed low-clinker active cement according to claim 1 is characterized in that the cement formula of D-4 type compound additive is:
Grog 5～50%, active mixed material 30～85%, compound additive are calcined gypsum 0.1～10%, Na
2SiF
60.1～5%.
5, the prescription of mixed low-clinker active cement according to claim 1 is characterized in that the cement formula of D-5 type compound additive is:
Grog 5～50%, active mixed material 30～85%, compound additive are Na
2SO
40.1～5%, gypsum and (or) calcined gypsum 1～10%, Na
2SiF
60.1～5%.
6, as the prescription of mixed low-clinker active cement as described in the claim 1～5, it is characterized in that in its prescription, can increasing lime and (or) adjustable solidification agent and (or) water reducer, form the cement formula of D-6 type compound additive, its volume is:
Lime (unslaked lime or slaked lime) 0.1～5%,
Adjustable solidification agent (comprising hardening accelerator, accelerating chemicals, retardant) 0.01～3%,
Water reducer (as sulfonated lignin, bitter edible plant based water reducer etc.) 0.05～3%.
7, the prescription of mixed low-clinker active cement according to claim 1 is characterized in that the cement formula of D-7 type compound additive is:
Grog 5～50%, active mixed material 30～85%, compound additive are Na
2SO
40.3～3%, gypsum 1.5～10%, adjustable solidification agent 0.01～3% and (or) lime 0.1～3% and (or) water reducer 0.05～3%.
8, as the prescription of mixed low-clinker active cement as described in the claim 1-7 item, it is characterized in that blended material is various slags, comprise common granulated blast-furnace slag (alkalescence, neutral, acidity all can), ferromanganese blast furnace slag, phosphorus ore slag, titanium ore slag, slag etc.; Also available artificial and natural various pozzolana mixed materials, comprise that boiling furnace slag, flyash, coal gangue, slag, zeolite, float stone and other contain the industrial residue or the natural mineral of reactive silicate or silico-aluminate, can only use a kind of active addition, also can be two or more the compound use of active addition, can also mix the nonactive mixing material of part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92108072A CN1076672A (en) | 1992-03-20 | 1992-03-20 | Mixed low-clinker active cement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92108072A CN1076672A (en) | 1992-03-20 | 1992-03-20 | Mixed low-clinker active cement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1076672A true CN1076672A (en) | 1993-09-29 |
Family
ID=4943196
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|---|---|---|---|
| CN92108072A Pending CN1076672A (en) | 1992-03-20 | 1992-03-20 | Mixed low-clinker active cement |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107034C (en) * | 2000-11-23 | 2003-04-30 | 喻乐华 | Pearlite admixture for concrete |
| CN101560084B (en) * | 2009-06-02 | 2011-12-14 | 河北科技大学 | Environmental-friendly waterproof polymer mortar |
| CN102515582A (en) * | 2011-11-28 | 2012-06-27 | 峨眉山强华特种水泥有限责任公司 | Low-heat micro-expansive cement |
| CN102515583A (en) * | 2011-11-28 | 2012-06-27 | 峨眉山强华特种水泥有限责任公司 | Method for producing low heat expansive cement |
| CN103979867A (en) * | 2014-04-16 | 2014-08-13 | 安徽颐鑫节能材料有限公司 | Phosphorus slag/steel slag composite lightweight partition board and production method thereof |
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| CN106316175A (en) * | 2016-08-25 | 2017-01-11 | 中国建筑材料科学研究总院 | Micro-expanded retarded silicate cement |
| CN107344818A (en) * | 2016-05-06 | 2017-11-14 | 大老板水泥有限公司 | Additive and the method using the Additive Production cement composition |
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| CN108358664A (en) * | 2018-05-07 | 2018-08-03 | 绥中大地丰源建材有限公司 | A kind of cementitious material and preparation method thereof made using flyash |
| CN109608068A (en) * | 2018-12-19 | 2019-04-12 | 北京科技大学 | A kind of cementitious material, concrete prefabricated part and preparation method of concrete prefabricated part |
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-
1992
- 1992-03-20 CN CN92108072A patent/CN1076672A/en active Pending
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|---|---|---|---|---|
| CN1107034C (en) * | 2000-11-23 | 2003-04-30 | 喻乐华 | Pearlite admixture for concrete |
| CN101560084B (en) * | 2009-06-02 | 2011-12-14 | 河北科技大学 | Environmental-friendly waterproof polymer mortar |
| CN102515582A (en) * | 2011-11-28 | 2012-06-27 | 峨眉山强华特种水泥有限责任公司 | Low-heat micro-expansive cement |
| CN102515583A (en) * | 2011-11-28 | 2012-06-27 | 峨眉山强华特种水泥有限责任公司 | Method for producing low heat expansive cement |
| CN102515583B (en) * | 2011-11-28 | 2013-07-31 | 峨眉山强华特种水泥有限责任公司 | Method for producing low heat expansive cement |
| CN102515582B (en) * | 2011-11-28 | 2013-07-31 | 峨眉山强华特种水泥有限责任公司 | Low-heat micro-expansive cement |
| CN103979867A (en) * | 2014-04-16 | 2014-08-13 | 安徽颐鑫节能材料有限公司 | Phosphorus slag/steel slag composite lightweight partition board and production method thereof |
| CN107344818A (en) * | 2016-05-06 | 2017-11-14 | 大老板水泥有限公司 | Additive and the method using the Additive Production cement composition |
| CN106186745A (en) * | 2016-07-19 | 2016-12-07 | 刘涛 | A kind of no first-hand datum pumice concrete and preparation method thereof |
| CN106316175A (en) * | 2016-08-25 | 2017-01-11 | 中国建筑材料科学研究总院 | Micro-expanded retarded silicate cement |
| CN107572841A (en) * | 2017-09-15 | 2018-01-12 | 北京建筑大学 | A kind of low-carbon binder materials and the method for preparing concrete |
| CN107572841B (en) * | 2017-09-15 | 2020-11-27 | 北京建筑大学 | A kind of low carbon cementitious material and method for preparing concrete |
| CN108358664A (en) * | 2018-05-07 | 2018-08-03 | 绥中大地丰源建材有限公司 | A kind of cementitious material and preparation method thereof made using flyash |
| CN108358664B (en) * | 2018-05-07 | 2021-04-02 | 绥中大地丰源建材有限公司 | Cementing material prepared from fly ash and preparation method thereof |
| CN109608068A (en) * | 2018-12-19 | 2019-04-12 | 北京科技大学 | A kind of cementitious material, concrete prefabricated part and preparation method of concrete prefabricated part |
| CN115466068A (en) * | 2022-09-02 | 2022-12-13 | 安徽工业技术创新研究院 | Composite cementing material applied to cement concrete |
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