CN104129935B - Modified glass tailing cement-based auxiliary cementing material and preparation method thereof - Google Patents
Modified glass tailing cement-based auxiliary cementing material and preparation method thereof Download PDFInfo
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- CN104129935B CN104129935B CN201410366412.7A CN201410366412A CN104129935B CN 104129935 B CN104129935 B CN 104129935B CN 201410366412 A CN201410366412 A CN 201410366412A CN 104129935 B CN104129935 B CN 104129935B
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- 239000011521 glass Substances 0.000 title claims abstract description 95
- 239000000463 material Substances 0.000 title claims abstract description 90
- 239000004568 cement Substances 0.000 title claims abstract description 88
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000001354 calcination Methods 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 238000012986 modification Methods 0.000 claims abstract description 21
- 230000004048 modification Effects 0.000 claims abstract description 21
- 239000004567 concrete Substances 0.000 claims abstract description 11
- 238000010335 hydrothermal treatment Methods 0.000 claims abstract description 10
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011575 calcium Substances 0.000 claims abstract description 9
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000002893 slag Substances 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 6
- 239000001095 magnesium carbonate Substances 0.000 claims abstract description 6
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims abstract description 6
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 6
- 235000014380 magnesium carbonate Nutrition 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 230000000295 complement effect Effects 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 9
- 238000002791 soaking Methods 0.000 claims description 8
- 239000006004 Quartz sand Substances 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 4
- 239000010453 quartz Substances 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 2
- 239000006227 byproduct Substances 0.000 claims description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 2
- 239000000047 product Substances 0.000 claims description 2
- 238000011161 development Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 abstract 2
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 239000002440 industrial waste Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 14
- 239000002002 slurry Substances 0.000 description 12
- 238000007906 compression Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000011398 Portland cement Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011396 hydraulic cement Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011044 quartzite Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- 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
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a modified glass tailing cement-based auxiliary cementing material and a preparation method thereof, wherein the material comprises the following raw materials in percentage by mass of 70-100: 0-30 parts of glass tailings and modified auxiliary materials; the modified auxiliary material is a calcium material or a calcium magnesium material or a mixture of the calcium material and the calcium magnesium material in any mass ratio; mixing all the raw materials, and processing by any one of mechanical grinding, hydrothermal treatment, low-temperature calcination and hydrothermal-calcination. According to the invention, the surface modification is carried out on the glass tailings, so that the surface gelatinization of the glass tailings is enhanced, the shrinkage deformation of the cement-based material is reduced, and the early mechanical property is improved. The invention fully utilizes industrial wastes such as glass tailings, carbide slag, magnesite tailings and the like to develop a novel cement-based auxiliary cementing material, can reduce the consumption of cement clinker, prolong the service life of the cement-based material, indirectly reduce the energy consumption for producing cement, reduce the emission of carbon dioxide and have important significance for energy conservation and emission reduction and sustainable development of the cement concrete industry.
Description
Technical field
The invention belongs to building material field, relate to for cement-based material, particularly a kind of method utilizing glass tailings to prepare the complementary gelling material of cement based.
Background technology
2013, Chinese cement output reaches 24.1 hundred million tons, be widely used in the engineering constructions such as industry, agricultural, national defence, urban construction, water conservancy and ocean exploitation, effectively support the fast development of China's economy and society, but Cement industry is one of maximum industry of China's energy consumption, accounts for 5% of national energy consumption total amount, discharge quantity of particulate matter accounts for about 30% of industrial discharge total amount, and this just aggravates further to the pressure of China's industrial energy, resource and environmental protection.The Cement industry affected by high energy consumption exacerbates the pressure of the whole society to resource, the energy and environment, constrains again the Sustainable development of Cement industry simultaneously, and to reduce cement output approach in the current development of the national economy be infeasible.
All focus on both at home and abroad mixing trade waste or industrial residue in cement as complementary gelling material, complementary gelling material is used to reduce cement consumption, extend cement-based material work-ing life, improve the application efficiency of cement, thus indirectly reduce and produce cement energy consumption, reduce CO
2discharge; current China makes the utilisation technology of industrial residue as blended material in cement be used widely by formulation standard; its role is to one side protection of the environment, turn waste into wealth and Sustainable development; regulate cement performance on the other hand; improve the weather resistance of cement concrete; extend the safe-use period, have higher economic benefit.But because complementary gelling material activity is lower, cause cement-based material early strength low, limit the volume of industrial residue and the range of application of complex cement.Only have the service efficiency by improving cement clinker---under the impregnable prerequisite of mechanical property, increase the incorporation of blended material or adulterant; but the kind of blended material or adulterant is abundant not enough at present; mainly based on granulated blast-furnace slag, flyash etc.; because the development of the national economy needs, also there is the factors such as supply falls short of demand, price increase in slag and flyash in concrete.In order to more effectively utilize trade waste, find novel cement-based blended material or adulterant and the complementary gelling material of cement based, and improve its activity, make it to become the attention that the complementary gelling material of the cement based with property regulation function more and more causes people.
The glass tailings mainly waste of glasswork's raw materials for production quartz sand after crushing and screening that the present invention adopts, main component is quartz, SiO
2content is greater than 85%.Glass tailings has that fine size, quantity are large, recoverable, and have secondary resource and environmental pollution dual nature, be solid waste accumulation, not only land occupation, also pollutes the environment.China mainly concentrates on for Vinyl Acetate Copolymer ester paint to quartz tail sand comprehensive utilization, produces cement clinker as batching, extract ultra-pure quartz sand, produces the aspects such as haydite, but these goods added values of producing are low, limit by haul distance, not easily realize scale operation.
Patent of invention CN1887763A " a kind of pretreated yellow river silt or mud, the travertine gelled material obtained by it and their preparation method " and CN100567194C " a kind of method utilizing iron tailings to produce concrete active admixture " all openly adopts hydrothermal alteration reaction to carry out modification to yellow river silt or mud and magnetite quartzite sections ore deposit iron tailings respectively, obtain concrete admixture, object consumes yellow river silt or mud and mine tailing respectively, reduces concrete cost.These two inventions are all the methods preparing the complementary gelling material of cement based, all do not relate to glass tailings, and the alteration agent batching mentioned in invention is comparatively complicated; In addition, in patent of invention CN100567194C, to prepare concrete admixture method more single for iron tailings, also there is certain difficulty in actual production.
Summary of the invention
The object of the invention is to provide complementary gelling material of a kind of modified glass tailings cement based and preparation method thereof, widens the scope of the complementary gelling material of novel cement-based further.The present invention utilizes inert material glass tailings to carry out modification, increase its surperficial gelling, reduce cement-based material shrinkage strain and the early strength of increase cement-based material, reach and consume glass tailings trade waste, minimizing production cement clinker, raising cement-based material weather resistance, have important theory significance and practical value to the Sustainable development realizing energy-saving and emission-reduction and cement concrete industry.
To achieve these goals, the present invention realizes by the following technical solutions:
The complementary gelling material of a kind of modified glass tailings cement based, raw material is be glass tailings and the modification auxiliary material of 70-100:0-30 according to mass ratio; Described modification auxiliary material is the mixture of calcareous material or calcium magnesian or the two any mass ratio.
As the further scheme of the present invention: the mass ratio of described glass tailings and modification auxiliary material is 70-90:10-30; The main component of described glass tailings is quartz, SiO
2content is greater than 85%, takes from the waste of raw material quartz sand after crushing and screening that glasswork produces glass; The main component of calcareous material is CaO, takes from the byproduct carbide slag of electrochemical factory wet method acetylene PVC; The main component of calcium magnesian is CaO and MgO, takes from magnesite tailings.
The preparation method of the described complementary gelling material of modified glass tailings cement based: after all raw material mixing, adopt any one method process in mechanical grinding, hydro-thermal, low temperature calcination and hydro-thermal-calcining, obtain the complementary gelling material of modified glass tailings cement based.
As the further scheme of the present invention: the preparation method of the described complementary gelling material of modified glass tailings cement based, specifically comprises following four kinds:
Method 1: it is 30min ~ 1h that glass tailings is carried out the mechanical grinding time at ball mill, is 80 μm of square hole sieves tail over 10wt% ± 2wt% to grain diameter, obtains the complementary gelling material of modified glass tailings cement based;
Method 2: glass tailings and modification auxiliary material are placed in stirrer, siccative stirs, and then good to mix and blend material carries out hydrothermal treatment consists, and hydrothermal temperature controls at 100 ° of C ~ 200 ° C, treatment time is 4 ~ 12 hours, obtains the complementary gelling material of modified glass tailings cement based;
Method 3: glass tailings and modification auxiliary material are placed in stirrer, siccative stirs, then good to mix and blend material carries out calcination processing at retort furnace or heat-flash air blast high-temperature boiling furnace, calcining temperature controls at 700 ° of C ~ 900 ° C, soaking time is 0.5 ~ 2 hour, obtains the complementary gelling material of modified glass tailings cement based;
Method 4: glass tailings and modification auxiliary material are placed in stirrer, siccative stirs, and then good to mix and blend material carries out hydro-thermal-calcination processing; Namely first carry out hydrothermal treatment consists, hydrothermal temperature controls at 100 ° of C ~ 200 ° C, and the treatment time is 4 ~ 12 hours; Carry out calcination processing at retort furnace or the calcining of heat-flash air blast high-temperature boiling furnace again, calcining temperature controls at 600 ° of C ~ 800 ° C, and soaking time is 0.5 ~ 2 hour, obtains the complementary gelling material of modified glass tailings cement based.
The present invention has following beneficial effect:
1, modification is carried out to trade waste glass tailings, its surface is made to have gelling, improve the cohesive strength on grog hydrated product and glass tailings surface in cement-based material, reduce cement-based material shrinkage strain, modified cement glass tailings is replaced to reduce by 10% ~ 20% than unmodified glass tailings self-constriction reduction by 5% ~ 10%, dry shrinkage at same volume, increase cement-based material early mechanics characteristics, as ultimate compression strength modified glass tailings improves 10% ~ 15% than the early strength of unmodified glass tailings, the weather resistance of cement-based material can be improved.
2, the use volume of complementary gelling material glass tailings at cement-based material is improved; consume trade waste; protection of the environment; the complementary gelling material that alleviation China concrete placement amount is large and cause is as the short supply state such as flyash, breeze; reduce concrete cost; overcome the factors such as some shortcomings that traditional complementary gelling material uses are as low in activity, early strength is low, poor durability, and then reduce cement clinker consumption, indirectly reduce and produce cement energy consumption, reduce CO
2discharge, realizes energy-saving and emission-reduction object.
Embodiment
The present invention is explained further below by specific embodiment.
Embodiment 1:
Glass tailings is placed in mechanical grinding about 45min in ball mill, is 80 μm of square hole sieves tail over 10wt% ± 2wt% to grain diameter, obtains the complementary gelling material of modified glass tailings cement based.
Mix the cement slurry stability of the modified glass tailings of 30wt% according to GB175-2007 " general purpose portland cement " test, stability result is qualified.Related experiment is carried out, strength test to the intensity of cement-based material and shrinkage strain test of mixing modified glass tailings: adopt GB/T17671-1999 " Test method for strength of hydraulic cement mortar (ISO method) " standard regulation; Self-constriction is tested: device employing mould is the plastic film capicitor of φ 25mm × 300mm, and dial indicator is tested; Dry shrinkage is tested: device adopts 25mm × 25mm × 280mm tri-joint-trial mould, and the pre-buried stainless steel gauge head in end, tests with comparator dial gauge.When the quality such as mechanical grinding glass tailings of mixing 30% unmodified glass tailings and modification replaces cement, the ultimate compression strength of the 28d of the unmodified glass tailings of 28d strength ratio of gained surface modified glass tailings complex cement slurry increases by 10.2%, the self-constriction of 28d and dry shrinkage reduce 5.1%, 10.2% respectively.
Embodiment 2:
Glass tailings and calcareous material carbide slag is got by the mass percent of 80:20, be placed in stirrer, siccative carries out hydrothermal treatment consists after stirring, and hydrothermal temperature controls at 150 ° of C, process 8 hours, after being dried by the powder body material after hydrothermal treatment consists, obtain surface modified glass tailings.Mix the cement slurry stability of the modified glass tailings of 30% according to GB175-2007 " general purpose portland cement " test, stability result is qualified.Through the intensity described in embodiment 1 and shrinkage strain testing method, mix the quality such as the hydrothermal treatment consists modified surface glass tailings of the unmodified glass tailings of 30wt% and modification and replace cement, the ultimate compression strength of the 28d of the unmodified glass tailings of 28d strength ratio of gained surface modified glass tailings complex cement slurry increases by 11.2%, self-constriction and dry shrinkage reduce 5.9%, 11.3% respectively.
Embodiment 3:
Glass tailings and calcareous material carbide slag is got by the mass percent of 90:10, be placed in stirrer, carry out low temperature calcination process after siccative uniform stirring, in retort furnace, calcining temperature is 850 ° of C, soaking time is 1 hour, chilling gained surface modified glass tailings in air.Mix the modified glass tailings complex cement slurry stability of 30wt% according to GB175-2007 " general purpose portland cement " test, stability result is qualified.Through the intensity described in embodiment 1 and shrinkage strain testing method, mix the quality such as the modified surface glass tailings of the unmodified glass tailings of 30wt% and the process of modification low temperature calcination and replace cement, the ultimate compression strength of the 28d of the unmodified glass tailings of 28d strength ratio of gained surface modified glass tailings complex cement slurry increases by 13.2%, self-constriction and dry shrinkage reduce 5.8%, 12.3% respectively.
Embodiment 4:
Glass tailings and calcium magnesian magnesite tailings is got by the mass percent of 80:20, be placed in stirrer, carry out low temperature calcination process after siccative uniform stirring, in retort furnace, calcining temperature is 850 ° of C, soaking time is 1 hour, chilling gained surface modified glass tailings in air.Mix the modified glass tailings complex cement slurry stability of 30wt% according to GB175-2007 " general purpose portland cement " test, stability result is qualified.Through testing method described in embodiment 1, mix the quality such as the modified surface glass tailings of the unmodified glass tailings of 30wt% and the process of modification low temperature calcination and replace cement, the ultimate compression strength of the 28d of the unmodified glass tailings of 28d strength ratio of gained surface modified glass tailings complex cement slurry increases by 12.3%, self-constriction and dry shrinkage reduce 6.1%, 13.3% respectively.
Embodiment 5:
Glass tailings and calcium magnesian magnesite tailings is got by the mass percent of 90:10, be placed in stirrer, first hydrothermal treatment consists is carried out 4 hours at 150 ° of C after siccative uniform stirring, carry out low temperature calcination process again, in retort furnace, calcining temperature is 800 ° of C, soaking time is 0.5 hour, chilling gained surface modified glass tailings in air.Mix the complex cement slurry stability of the modified glass tailings of 30wt% according to GB175-2007 " general purpose portland cement " test, stability result is qualified.Through testing method described in embodiment 1, mix the quality such as the modified surface glass tailings of the unmodified glass tailings of 30wt% and the process of modification low temperature calcination and replace cement, the ultimate compression strength of the 28d of the unmodified glass tailings of 28d strength ratio of gained surface modified glass tailings complex cement slurry increases by 13.3%, self-constriction and dry shrinkage reduce 6.5%, 14.3% respectively.
Embodiment 6:
Glass tailings, calcareous material carbide slag and calcium magnesian magnesite tailings is got by the mass percent of 80:10:10, be placed in stirrer, first hydrothermal treatment consists is carried out 4 hours at 150 ° of C after siccative uniform stirring, carry out low temperature calcination process again, in retort furnace, calcining temperature is 800 ° of C, soaking time is 0.5 hour, chilling gained surface modified glass tailings in air.Mix the complex cement slurry stability of the modified glass tailings of 30wt% according to GB175-2007 " general purpose portland cement " test, stability result is qualified.Through testing method described in example 1, mix the quality such as the modified surface glass tailings of the unmodified glass tailings of 30wt% and the process of modification low temperature calcination and replace cement, the ultimate compression strength of the 28d of the unmodified glass tailings of 28d strength ratio of gained surface modified glass tailings complex cement slurry increases by 14.3%, and self-constriction and dry shrinkage reduce 6.8%, 15.4% respectively.
Claims (2)
1. the complementary gelling material of modified glass tailings cement based, is characterized in that: raw material is be glass tailings and the modification auxiliary material of 70-90:10-30 according to mass ratio; Described modification auxiliary material is the mixture of calcareous material or calcium magnesian or the two any mass ratio; The described complementary gelling material surface of modified glass tailings cement based has gelling, the complementary gelling material of modified glass tailings cement based is mixed in cement-based material, for improving the cohesive strength on grog hydrated product and glass tailings surface in cement-based material, reduce cement-based material shrinkage strain, increase cement-based material early mechanics characteristics, improve the weather resistance of cement-based material; Described glass tailings main component is quartz, SiO
2content is greater than 85%, takes from the waste of raw material quartz sand after crushing and screening that glasswork produces glass; The main component of calcareous material is CaO, takes from the byproduct carbide slag of electrochemical factory wet method acetylene PVC; The main component of calcium magnesian is CaO and MgO, takes from magnesite tailings; After all raw material mixing, adopt any one method process in mechanical grinding, hydro-thermal, low temperature calcination and hydro-thermal-calcining, obtain the complementary gelling material of modified glass tailings cement based.
2. a preparation method for the complementary gelling material of modified glass tailings cement based as claimed in claim 1, it is characterized in that, concrete steps are:
Glass tailings and modification auxiliary material are placed in stirrer, siccative stirs, and then good to mix and blend material carries out hydrothermal treatment consists, and hydrothermal temperature controls at 100 DEG C ~ 200 DEG C, treatment time is 4 ~ 12 hours, obtains the complementary gelling material of modified glass tailings cement based; Or,
Glass tailings and modification auxiliary material are placed in stirrer, siccative stirs, then good to mix and blend material carries out calcination processing at retort furnace or heat-flash air blast high-temperature boiling furnace, calcining temperature controls at 700 DEG C ~ 900 DEG C, soaking time is 0.5 ~ 2 hour, obtains the complementary gelling material of modified glass tailings cement based; Or
Be placed in stirrer by glass tailings and modification auxiliary material, siccative stirs, and then good to mix and blend material carries out hydro-thermal-calcination processing; Namely first carry out hydrothermal treatment consists, hydrothermal temperature controls at 100 DEG C ~ 200 DEG C, and the treatment time is 4 ~ 12 hours; Carry out calcination processing at retort furnace or the calcining of heat-flash air blast high-temperature boiling furnace again, calcining temperature controls at 600 DEG C ~ 800 DEG C, and soaking time is 0.5 ~ 2 hour, obtains the complementary gelling material of modified glass tailings cement based.
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| CN106242326B (en) * | 2016-08-26 | 2021-12-28 | 湖南科技大学 | By SiO2Method for preparing ecological cement by using main raw materials |
| CN113087485A (en) * | 2021-03-15 | 2021-07-09 | 祎禾科技有限公司 | Ocean engineering repair cementing material prepared from modified quartz sand and preparation method thereof |
| CN113582571B (en) * | 2021-07-23 | 2022-08-16 | 海南大学 | Nano material modified cement calcareous sand and preparation method thereof |
| CN114804672B (en) * | 2022-01-14 | 2023-05-16 | 东北大学 | Superfine iron tailing filling cementing material and preparation method thereof |
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| CN103011881A (en) * | 2012-12-27 | 2013-04-03 | 山东宏艺科技股份有限公司 | Method for increasing quartz sand tailing powder content in aerated concrete product |
| CN103193431A (en) * | 2012-09-03 | 2013-07-10 | 上海舟润实业有限公司 | Quartz tailing autoclaved aerated concrete building block and preparation method thereof |
| CN103601382A (en) * | 2013-11-07 | 2014-02-26 | 广西云燕特种水泥建材有限公司 | Environment-friendly cement and production method thereof |
| CN103601381A (en) * | 2013-11-07 | 2014-02-26 | 广西云燕特种水泥建材有限公司 | Environment-friendly high-performance cement and production method thereof |
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| AU2007200162A1 (en) * | 2006-03-20 | 2007-10-04 | Council Of Scientific & Industrial Research | A Process for the Production of Geopolymer Cement from Fly Ash and Granulated Blast Furnace Slag, Geopolymer Cement Made Thereby and Process of Making Products Thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193431A (en) * | 2012-09-03 | 2013-07-10 | 上海舟润实业有限公司 | Quartz tailing autoclaved aerated concrete building block and preparation method thereof |
| CN103011881A (en) * | 2012-12-27 | 2013-04-03 | 山东宏艺科技股份有限公司 | Method for increasing quartz sand tailing powder content in aerated concrete product |
| CN103601382A (en) * | 2013-11-07 | 2014-02-26 | 广西云燕特种水泥建材有限公司 | Environment-friendly cement and production method thereof |
| CN103601381A (en) * | 2013-11-07 | 2014-02-26 | 广西云燕特种水泥建材有限公司 | Environment-friendly high-performance cement and production method thereof |
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