CN103011881B - Method for increasing quartz sand tailing powder content in aerated concrete product - Google Patents
Method for increasing quartz sand tailing powder content in aerated concrete product Download PDFInfo
- Publication number
- CN103011881B CN103011881B CN201210583115.9A CN201210583115A CN103011881B CN 103011881 B CN103011881 B CN 103011881B CN 201210583115 A CN201210583115 A CN 201210583115A CN 103011881 B CN103011881 B CN 103011881B
- Authority
- CN
- China
- Prior art keywords
- quartz sand
- mine tailing
- sand mine
- aerated concrete
- tailing powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 239000006004 Quartz sand Substances 0.000 title claims abstract description 91
- 239000004567 concrete Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000843 powder Substances 0.000 title abstract description 44
- 238000000227 grinding Methods 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims description 44
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 39
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 30
- 230000005284 excitation Effects 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 24
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 20
- 229920000223 polyglycerol Polymers 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 17
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 15
- -1 admixture Substances 0.000 claims description 15
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 12
- 239000000344 soap Substances 0.000 claims description 12
- 239000011734 sodium Substances 0.000 claims description 12
- 229910052708 sodium Inorganic materials 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 11
- 239000004088 foaming agent Substances 0.000 claims description 11
- 239000000292 calcium oxide Substances 0.000 claims description 10
- 235000012255 calcium oxide Nutrition 0.000 claims description 10
- 239000010440 gypsum Substances 0.000 claims description 10
- 229910052602 gypsum Inorganic materials 0.000 claims description 10
- 229960004418 trolamine Drugs 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052814 silicon oxide Inorganic materials 0.000 abstract description 2
- 230000003213 activating effect Effects 0.000 abstract 2
- 239000012190 activator Substances 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 18
- 238000011056 performance test Methods 0.000 description 11
- 239000002518 antifoaming agent Substances 0.000 description 9
- 238000001354 calcination Methods 0.000 description 9
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 9
- 235000013539 calcium stearate Nutrition 0.000 description 9
- 239000008116 calcium stearate Substances 0.000 description 9
- 239000003638 chemical reducing agent Substances 0.000 description 9
- 229920001296 polysiloxane Polymers 0.000 description 9
- 239000002253 acid Substances 0.000 description 8
- 150000007513 acids Chemical class 0.000 description 8
- 239000004411 aluminium Substances 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001608 iron mineral Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000001238 wet grinding Methods 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
- 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
Abstract
The invention relates to a method for increasing the quartz sand tailing powder content in an aerated concrete product, which comprises the following steps: thermally activating quartz sand tailing powder to obtain thermally activated quartz sand tailing powder, wherein the thermally activated quartz sand tailing powder contains a large amount of active silicon oxide and aluminum oxide, so that the activity of the quartz sand tailing powder is enhanced; grinding the thermally activated quartz sand tailing powder through a ball grinder to enable the thermally activated quartz sand tailing powder to reach certain fineness, thereby ensuring that the hardening rate and compression strength of a prepared concrete product are enhanced; and in the process of preparing an aerated concrete product, adding activator to enhance the chemical activity of the ground quartz sand tailing powder. In conclusion, the quartz sand tailing powder is activated by thermally activating and grounding the quartz sand tailing powder and adding the activator, so that the quartz sand tailing powder content in an aerated concrete product is increased.
Description
Technical field
The present invention relates to building material technical field, particularly relate to a kind of method improving quartz sand mine tailing content in aerated concrete products.
Background technology
Quartz mine mine tailing comprises the waste residue in quartz mine exploitation, the tailings in the course of processing and tail mud, and wherein tailings accounts for the overwhelming majority, and the main component of tailings is silicon-dioxide, and impurity is feldspar, clay, mica, iron mineral etc. mainly; Quartz sand mine tailing belongs to Resourcization of Mining Solid Waste, has the advantages that quantity is large, type is many, character is complicated.At present, quartz sand mine tailing is except a small amount of raw material for doing water glass and pottery, major part is not all utilized, only reach 7% in the utilization ratio of China, these quartz sand mine tailings as a kind of Industrial Solid refuse long-term storage not only appropriation of land, and cause severe contamination to environment, therefore, the resource utilization of quartz sand mine tailing is the key subjects of modern economy and social development, is also the new problem that contemporary science and technology proposes.
Because quartz mine mine tailing silicon content is high, thus can be applied in material of construction, the application particularly in aerated concrete products has obtained the attention of people.Gas concrete be with the material of the material of silicon oxide-containing and the calcic such as lime, cement for main raw material, add aluminium powder or other foaming agent are got angry, through the damp and hot light weight product be processed into; It is a kind of novel wall material, has the premium propertiess such as lightweight, insulation, sound insulation, antidetonation, is widely used in industry with covil construction, becomes a kind of novel wall material the most prosperous.But because the activity of quartz sand mine tailing is low, make the comparision contents of quartz sand mine tailing in aerated concrete products low, its mass percent in concrete product is up to 65%, thus makes the rate of utilization of quartz sand mine tailing reduce.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of method improving quartz sand mine tailing content in aerated concrete products, and in aerated concrete products provided by the invention, the content of quartz sand mine tailing is higher.
The invention provides a kind of method improving quartz sand mine tailing content in aerated concrete products, comprising:
A, by the thermal excitation of quartz sand mine tailing;
B, by the quartz sand mine tailing ball mill grinding through thermal excitation;
C, by the quartz sand mine tailing hybrid reaction after calcareous material, exciting agent, admixture, foaming agent and grinding, obtain aerated concrete products.
Preferably, the temperature of described thermal excitation is 450 ~ 600 DEG C;
The time of described thermal excitation is 25 ~ 40 minutes.
Preferably, the time of described ball mill grinding is 25 ~ 40 minutes.
Preferably, described calcareous material is one or more in unslaked lime, cement and gypsum.
Preferably, the mass ratio of described quartz sand mine tailing and calcareous material is (70 ~ 85): (15 ~ 36).
Preferably, described exciting agent accounts for the 0.2wt% ~ 0.5wt% of described quartz sand mine tailing and calcareous material total amount.
Preferably, described exciting agent is made up of alcohol, sodium soap and water.
Preferably, described alcohol is one or more in Diethylene Glycol, glycerol, two polyglycerols, three polyglycerols and trolamine.
Preferably, the mass ratio of described alcohol, sodium soap and water is 24 ~ 43:10 ~ 15:40 ~ 50.
Preferably, it is characterized in that, described step c is specially:
By the quartz sand mine tailing mixing after calcareous material, exciting agent, admixture, foaming agent and grinding, obtain mixture;
Mixture is poured into mould, and maintenance 2 ~ 3 hours of getting angry, obtains aerated concrete products.
Compared with prior art, the present invention is by carrying out thermal excitation by quartz sand mine tailing, obtain the quartz sand mine tailing after thermal excitation, containing a large amount of active silicas and aluminum oxide in the quartz sand mine tailing after described thermal excitation, make the increased activity of quartz sand mine tailing; By the quartz sand mine tailing after thermal excitation through ball mill grinding, make the quartz sand mine tailing after thermal excitation reach certain fineness, and then the setting rate of the concrete product obtained and ultimate compression strength are strengthened; In the process preparing aerated concrete products, adding exciting agent makes the quartz sand mine tailing chemically reactive after grinding strengthen, experimental result shows, in aerated concrete products provided by the invention, the content of quartz sand mine tailing accounts for the mass percent of aerated concrete products up to 80%, and the thermal conductivity of this aerated concrete products is 0.082W/ (m DEG C), ultimate compression strength was 0.55MPa 7 days time, was 0.67MPa when 14 days, was 0.69MPa when 28 days.
Embodiment
The invention provides a kind of method improving quartz sand mine tailing content in aerated concrete products, comprising:
A, by the thermal excitation of quartz sand mine tailing;
B, by the quartz sand mine tailing ball mill grinding through thermal excitation;
C, by the quartz sand mine tailing hybrid reaction after calcareous material, exciting agent, admixture, foaming agent and grinding, obtain aerated concrete products.
In the present invention, first by the thermal excitation of quartz sand mine tailing, the thermal excitation of described quartz sand mine tailing be specially first by quartz sand mine tailing calcining, cool after calcining, namely obtain the quartz sand mine tailing after thermal excitation; Wherein, calcining is a kind of effective means exciting quartz sand mine tailing activity, object utilizes high temperature to make each particulate in quartz sand mine tailing microtexture produce violent thermal motion, slough the Bound moisture in mineral, the positively charged ions such as calcium, magnesium, iron are made to reselect interstitial positions, thus make the silicon-oxy tetrahedron in quartz sand mine tailing and alumina triangle body not to aggregate into long-chain, and then there is a lot of breaking points, form silicon-oxy tetrahedron and the alumina triangle body of thermodynamic instability, containing a large amount of active silicas and aluminum oxide in the quartz sand mine tailing namely after thermal excitation.
The temperature of calcining of the present invention is preferably 450 ~ 600 DEG C, is more preferably 500 ~ 550 DEG C; The time of described calcining is preferably 25 ~ 40 minutes, is more preferably 30 ~ 35 minutes.
According to the present invention, by the quartz sand mine tailing ball mill grinding through thermal excitation; The time of described ball mill grinding is preferably 25 ~ 40 minutes, is more preferably 30 ~ 35 minutes; The method of the present invention to described grinding does not have particular requirement, can be dry grinding or wet-milling; The time of described grinding is relevant with the fineness of required quartz sand mine tailing; Wherein, the fineness of quartz sand mine tailing all has a great impact the setting rate of Aerated concrete blank and intensity, and therefore, it is very important for making quartz sand mine tailing have suitable fineness.
According to the present invention by the quartz sand mine tailing hybrid reaction after calcareous material, exciting agent, admixture, foaming agent and grinding, obtain aerated concrete products; The mass ratio of described quartz sand mine tailing and calcareous material is preferably (70 ~ 85): (15 ~ 36); Be more preferably (75 ~ 80): (20 ~ 30); Exciting agent of the present invention preferably accounts for the 0.2wt% ~ 0.5wt% of described quartz sand mine tailing and calcareous material total amount; The requirement that the present invention is not special to described foaming agent, foaming agent well known to those skilled in the art, as aluminium powder, hydrogen peroxide etc., is preferably aluminium powder; Admixture of the present invention is the admixture that must add when preparing aerated concrete products well known to those skilled in the art, its effect is mainly used for the performance improving aerating coagulation body, as being one or more in polycarboxylate water-reducer, calcium stearate water-resisting agent, fatty alcohol sulfonate class air entrapment agent and silicone antifoam agent; Admixture of the present invention accounts for the 0.24wt% ~ 0.45wt% of described quartz sand mine tailing and calcareous material total amount.
In the present invention, first by the quartz sand mine tailing mix and blend after calcareous material and grinding, mixture can be obtained; Calcareous material of the present invention is preferably one or more in unslaked lime, cement and gypsum; Be more preferably and be made up of unslaked lime, cement and gypsum; The mass ratio of described quartz sand mine tailing, unslaked lime, cement and gypsum is preferably (70 ~ 85): (5 ~ 15): (8 ~ 17): (2 ~ 4); The object of described stirring is that the quartz sand mine tailing after making calcareous material and grinding mixes.
Then in the mixture obtained, add admixture and exciting agent, continue to stir, make it mix, described exciting agent is preferably made up of alcohol, sodium soap and water, the mass ratio of described alcohol, sodium soap and water is preferably 24 ~ 43:10 ~ 15:40 ~ 50, described alcohol is preferably one or more in Diethylene Glycol, glycerol, two polyglycerols, three polyglycerols and trolamine, be more preferably and be made up of Diethylene Glycol, glycerol, two polyglycerols, three polyglycerols and trolamine, the mass ratio of described Diethylene Glycol, glycerol, two polyglycerols, three polyglycerols, trolamine, sodium soap and water is preferably (3 ~ 5): (8 ~ 10): (8 ~ 10): (5 ~ 8): (5 ~ 10): (10 ~ 15): (40-50), exciting agent of the present invention is the activity in order to excite quartz sand mine tailing, admixture of the present invention is preferably powder polycarboxylic acids water reducing agent, powder calcium stearate water-resisting agent, one or more of powder fatty alcohol sulfonate class air entrapment agent and silicone antifoam agent, be more preferably powder polycarboxylic acids water reducing agent, powder calcium stearate water-resisting agent, the mixture of powder fatty alcohol sulfonate class air entrapment agent and silicone antifoam agent, described powder polycarboxylic acids water reducing agent, powder calcium stearate water-resisting agent, powder fatty alcohol sulfonate class air entrapment agent and silicone antifoam agent account for the 0.15wt% ~ 0.30wt% of described quartz sand mine tailing and calcareous material total amount respectively, 0.04wt% ~ 0.07wt%, 0.04wt% ~ 0.07wt% and 0.01wt% ~ 0.04wt%.
In the mixture adding admixture and exciting agent, add foaming agent, stir, reaction, obtains aerated concrete products; The effect that the present invention adds foaming agent mainly makes gas concrete produce pore, and then forms the aerated concrete products of light porous structure.
In order to obtain better performances and the effigurate aerated concrete products of tool, the present invention also needs by said mixture reaction after 30 ~ 120 seconds, and be poured into mould, maintenance 2 ~ 3 hours of then getting angry, obtains aerated concrete products; The shape of the present invention to described concrete product does not have particular requirement, can be the arbitrary shape such as rectangular parallelepiped, square; The present invention's maintenance of getting angry preferably is carried out in thermostatic drying chamber.
Compared with prior art, the present invention is by carrying out thermal excitation by quartz sand mine tailing, obtain the quartz sand mine tailing after thermal excitation, containing a large amount of active silicas and aluminum oxide in the quartz sand mine tailing after described thermal excitation, make the increased activity of quartz sand mine tailing; By the quartz sand mine tailing after thermal excitation through ball mill grinding, make the quartz sand mine tailing after thermal excitation reach certain fineness, and then the setting rate of the concrete product obtained and ultimate compression strength are strengthened; Meanwhile, in the process preparing aerated concrete products, add exciting agent and also make the quartz sand mine tailing chemically reactive after grinding strengthen.
In order to understand the present invention further, below in conjunction with embodiment, a kind of method improving quartz sand mine tailing content in aerated concrete products provided by the invention is described.
Embodiment 1
By the thermal excitation of quartz sand mine tailing, by quartz sand mine tailing 500 DEG C of calcinings 30 minutes, naturally cooling, by this quartz sand mine tailing ball mill grinding 30 minutes, go out machine, then by the quartz sand mine tailing 70kg after grinding, unslaked lime 12kg, cement 15kg and gypsum 3kg injects stirrer and stirs 1 minute, add powder polycarboxylic acids water reducing agent 0.25kg again, powder calcium stearate water-resisting agent 0.06kg, powder fatty alcohol sulfonate class air entrapment agent 0.06kg and silicone antifoam agent 0.03kg and by 4% Diethylene Glycol, 9% glycerol, 9% 2 polyglycerol, 6% 3 polyglycerol, 7% trolamine (TEA), 12% sodium soap and the mixed uniformly mixture 0.25kg of 53% water, stir 3 minutes, add the aluminium powder of 0.01kg again, stir 50 seconds, then mould is poured into, send into thermostatic drying chamber to get angry and quietly stop maintenance 2.5h, obtain aerated concrete products.
Carry out performance test to the aerated concrete products obtained, result is see table 1, and table 1 is the performance test results of aerated concrete products prepared by the embodiment of the present invention and comparative example.
Embodiment 2
By the thermal excitation of quartz sand mine tailing, by quartz sand mine tailing 550 DEG C of calcinings 30 minutes, naturally cooling, by this quartz sand mine tailing ball mill grinding 30 minutes, go out machine, then by the quartz sand mine tailing 75kg after grinding, unslaked lime 10kg, cement 12kg and gypsum 3kg injects stirrer and stirs 1 minute, add powder polycarboxylic acids water reducing agent 0.25kg again, powder calcium stearate water-resisting agent 0.06kg, powder fatty alcohol sulfonate class air entrapment agent 0.06kg and silicone antifoam agent 0.03kg and by 4% Diethylene Glycol, 9% glycerol, 9% 2 polyglycerol, 6% 3 polyglycerol, 7% trolamine (TEA), 12% sodium soap and the mixed uniformly mixture 0.20kg of 53% water, stir 3 minutes, add the aluminium powder of 0.01kg again, stir 50 seconds, then mould is poured into, send into thermostatic drying chamber to get angry and quietly stop maintenance 2.5h, obtain aerated concrete products.
Carry out performance test to the aerated concrete products obtained, result is see table 1, and table 1 is the performance test results of aerated concrete products prepared by the embodiment of the present invention and comparative example.
Embodiment 3
By the thermal excitation of quartz sand mine tailing, by quartz sand mine tailing 550 DEG C of calcinings 40 minutes, naturally cooling, by this quartz sand mine tailing ball mill grinding 30 minutes, go out machine, then by the quartz sand mine tailing 75kg after grinding, unslaked lime 10kg, cement 12kg and gypsum 3kg injects stirrer and stirs 1 minute, add powder polycarboxylic acids water reducing agent 0.23kg again, powder calcium stearate water-resisting agent 0.05kg, powder fatty alcohol sulfonate class air entrapment agent 0.05kg and silicone antifoam agent 0.02kg and by 4% Diethylene Glycol, 9% glycerol, 9% 2 polyglycerol, 6% 3 polyglycerol, 7% trolamine (TEA), 12% sodium soap and the mixed uniformly mixture 0.30kg of 53% water, stir 3 minutes, add the aluminium powder of 0.01kg again, stir 50 seconds, then mould is poured into, send into thermostatic drying chamber to get angry and quietly stop maintenance 2.5, obtain aerated concrete products.
Carry out performance test to the aerated concrete products obtained, result is see table 1, and table 1 is the performance test results of aerated concrete products prepared by the embodiment of the present invention and comparative example.
Embodiment 4
By the thermal excitation of quartz sand mine tailing, by quartz sand mine tailing 550 DEG C of calcinings 30 minutes, naturally cooling, by this quartz sand mine tailing ball mill grinding 30 minutes, go out machine, then by the quartz sand mine tailing 80kg after grinding, unslaked lime 7kg, cement 10kg and gypsum 3kg injects stirrer and stirs 1 minute, add powder polycarboxylic acids water reducing agent 0.23kg again, powder calcium stearate water-resisting agent 0.05kg, powder fatty alcohol sulfonate class air entrapment agent 0.05kg and silicone antifoam agent 0.02kg and by 4% Diethylene Glycol, 9% glycerol, 9% 2 polyglycerol, 6% 3 polyglycerol, 7% trolamine (TEA), 12% sodium soap and the mixed uniformly mixture 0.25kg of 53% water, stir 3 minutes, add the aluminium powder of 0.01kg again, stir 50 seconds, then mould is poured into, send into thermostatic drying chamber to get angry and quietly stop maintenance 2 ~ 3h, obtain aerated concrete products.
Carry out performance test to the aerated concrete products obtained, result is see table 1, and table 1 is the performance test results of aerated concrete products prepared by the embodiment of the present invention and comparative example.
Comparative example 1
By quartz sand mine tailing 65kg, unslaked lime 16kg, cement 16kg and gypsum 3kg injects stirrer and stirs 1 minute, add powder polycarboxylic acids water reducing agent 0.23kg again, powder calcium stearate water-resisting agent 0.05kg, powder fatty alcohol sulfonate class air entrapment agent 0.05kg and silicone antifoam agent 0.02kg and by 4% Diethylene Glycol, 9% glycerol, 9% 2 polyglycerol, 6% 3 polyglycerol, 7% trolamine (TEA), 12% sodium soap and the mixed uniformly mixture 0.25kg of 53% water, stir 3 minutes, add the aluminium powder of 0.01kg again, stir 50 seconds, then mould is poured into, send into thermostatic drying chamber to get angry and quietly stop maintenance 2.5h, obtain aerated concrete products.
Carry out performance test to the aerated concrete products obtained, result is see table 1, and table 1 is the performance test results of aerated concrete products prepared by the embodiment of the present invention and comparative example.
The performance test results of aerated concrete products prepared by table 1 embodiment of the present invention and comparative example
Known by table 1, be all reasonable by aerated concrete products provided by the invention from ultimate compression strength or heat insulation effect.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (6)
1. improve a method for quartz sand mine tailing content in aerated concrete products, comprising:
A, by the thermal excitation of quartz sand mine tailing; The temperature of described thermal excitation is 500 ~ 550 DEG C;
The time of described thermal excitation is 25 ~ 40 minutes;
Described exciting agent is made up of alcohol, sodium soap and water; Alcohol is one or more in Diethylene Glycol, glycerol, two polyglycerols, three polyglycerols and trolamine; The mass ratio of described alcohol, sodium soap and water is 24 ~ 43:10 ~ 15:40 ~ 50;
B, by the quartz sand mine tailing ball mill grinding through thermal excitation;
C, by the quartz sand mine tailing hybrid reaction after calcareous material, exciting agent, admixture, foaming agent and grinding, obtain aerated concrete products.
2. method according to claim 1, is characterized in that, the time of described ball mill grinding is 25 ~ 40 minutes.
3. method according to claim 1, is characterized in that, described calcareous material is one or more in unslaked lime, cement and gypsum.
4. method according to claim 1, is characterized in that, the mass ratio of described quartz sand mine tailing and calcareous material is (70 ~ 85): (15 ~ 36).
5. method according to claim 1, is characterized in that, described exciting agent accounts for the 0.2wt% ~ 0.5wt% of described quartz sand mine tailing and calcareous material total amount.
6. method according to claim 1, is characterized in that, described step c is specially:
By the quartz sand mine tailing mixing after calcareous material, exciting agent, admixture, foaming agent and grinding, obtain mixture;
Mixture is poured into mould, and maintenance 2 ~ 3 hours of getting angry, obtains aerated concrete products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583115.9A CN103011881B (en) | 2012-12-27 | 2012-12-27 | Method for increasing quartz sand tailing powder content in aerated concrete product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583115.9A CN103011881B (en) | 2012-12-27 | 2012-12-27 | Method for increasing quartz sand tailing powder content in aerated concrete product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103011881A CN103011881A (en) | 2013-04-03 |
| CN103011881B true CN103011881B (en) | 2015-04-29 |
Family
ID=47961049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210583115.9A Active CN103011881B (en) | 2012-12-27 | 2012-12-27 | Method for increasing quartz sand tailing powder content in aerated concrete product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103011881B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129935B (en) * | 2014-07-29 | 2016-01-20 | 皖西学院 | Complementary gelling material of a kind of modified glass tailings cement based and preparation method thereof |
| CN105693158A (en) * | 2015-07-03 | 2016-06-22 | 怀宁县宝友工贸有限公司 | Autoclaved aerated concrete building block having amount of quartz tailing sand improved and preparation method thereof |
| CN111497008A (en) * | 2020-04-13 | 2020-08-07 | 宜昌益通鹏程新型墙体材料有限公司 | Method for producing aerated concrete building block by lime wet pulping |
| CN114262168A (en) * | 2021-10-20 | 2022-04-01 | 湖南绿生永固新材料有限公司 | Production method for replacing cement in autoclaved aerated concrete with silicomanganese smelting slag micro powder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066886A (en) * | 2007-07-09 | 2007-11-07 | 张江 | Aerated concrete block and its production process |
| CN101328041A (en) * | 2008-07-23 | 2008-12-24 | 朱福华 | High performance aerated concrete and production method thereof |
| CN102838301A (en) * | 2012-09-04 | 2012-12-26 | 南京理工大学 | Method for activating waste aerated concrete blocks |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700672A (en) * | 2009-10-16 | 2010-05-05 | 中国铝业股份有限公司 | Method for preparing copy stone floor tile by mineral processing tailing of bauxite |
| CN102234116B (en) * | 2011-03-16 | 2013-04-10 | 河北联合大学 | Method for preparing nano white carbon black by utilizing iron tailings |
| CN102515681B (en) * | 2011-12-12 | 2014-07-02 | 昆明理工大学 | Method for producing aerated building block with phosphogypsum as main raw material |
| CN102659361B (en) * | 2012-04-24 | 2014-03-26 | 武汉工程大学 | Aerated concrete block produced by iron ore tailings and preparation method thereof |
-
2012
- 2012-12-27 CN CN201210583115.9A patent/CN103011881B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066886A (en) * | 2007-07-09 | 2007-11-07 | 张江 | Aerated concrete block and its production process |
| CN101328041A (en) * | 2008-07-23 | 2008-12-24 | 朱福华 | High performance aerated concrete and production method thereof |
| CN102838301A (en) * | 2012-09-04 | 2012-12-26 | 南京理工大学 | Method for activating waste aerated concrete blocks |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103011881A (en) | 2013-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Effects of temperature and carbonation curing on the mechanical properties of steel slag-cement binding materials | |
| CN110885203B (en) | Composite mineral admixture and preparation method thereof | |
| CN102875065B (en) | Preparation process for fluorite slag-containing aerated brick | |
| CN102617096B (en) | Method for preparing aerated concrete by controlling iron direction using low-silicon iron tailings | |
| US9039830B2 (en) | Cement composition containing dune sand and limestone powder, concrete products and method for making concrete products | |
| CN103964774A (en) | Autoclaved aerated concrete block and manufacturing method thereof | |
| CN103482890B (en) | Method for preparing geopolymers by taking stone coal vanadium extraction tailings as main raw materials | |
| Tam et al. | Microstructural behaviour of reactive powder concrete under different heating regimes | |
| CN102875187A (en) | High-strength aerated concrete block | |
| CN103011881B (en) | Method for increasing quartz sand tailing powder content in aerated concrete product | |
| CN104671725B (en) | A kind of morning strong insulator cement adhesive | |
| CN103539417A (en) | Method for manufacturing steam-pressing bricks by using iron tailings and steel slag | |
| CN105693119B (en) | A kind of modified phosphorous slag powder and its preparation method and application | |
| CN109250980A (en) | A kind of steel slag concrete and preparation method thereof | |
| CN110342896A (en) | A kind of concrete aerated brick of steel slag coal ash and preparation method thereof | |
| CN103113075A (en) | Low-density aerated concrete product and preparation method thereof | |
| CN102875069A (en) | Preparation process for aerated concrete block with raw materials containing modified nano mineral powder | |
| CN104119098A (en) | Autoclaved aerated partition plate taking red mud as raw material | |
| CN106278102A (en) | A kind of nickel slag is utilized to carry out the toughness reinforcing method of Gypsum Fibrosum and goods thereof | |
| CN105294017A (en) | Quartz tailings heat-insulating building block and preparation method thereof | |
| CN102992669A (en) | Method for activating waste concrete micro powder | |
| CN108059430A (en) | A kind of steam pressure foam concrete production technology based on carbon dioxide discharge-reduction | |
| CN103979997A (en) | Method for preparing high-strength aerated concrete with water-quenched manganese slag as aggregate | |
| CN108358522A (en) | One kind is non-evaporating to support lightweight aerated brick and preparation method thereof | |
| Li et al. | Improving the volume stability of steel slag for construction and building materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: LINYI UNIVERSITY LINYI VOCATIONAL COLLEGE Free format text: FORMER OWNER: LINYI UNIVERSITY Effective date: 20150205 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Kongzan Inventor after: Zhang Lijun Inventor after: Song Nanjing Inventor after: Fu Xiuxin Inventor after: Meng Fanjun Inventor after: Zhang Qiuyan Inventor after: Zhu Zhen Inventor after: Zhu Huayu Inventor after: Li Chengwu Inventor after: Xia Zongyan Inventor after: Feng Enjuan Inventor after: Zhang Zhongguo Inventor after: Zhao Hongyi Inventor after: Hou Shan Inventor before: Zhu Kongzan Inventor before: Song Nanjing Inventor before: Fu Xiuxin Inventor before: Meng Fanjun Inventor before: Zhang Qiuyan Inventor before: Yin Junfeng Inventor before: Zhu Huayu Inventor before: Li Chengwu Inventor before: Xia Zongyan Inventor before: Feng Enjuan Inventor before: Zhang Zhongguo Inventor before: Zhao Hongyi Inventor before: Chen Huaicheng Inventor before: Yan Shengjuan |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHU KONGZAN ZHU HUAYU LI CHENGWU XIA ZONGYAN FENG ENJUAN ZHANG ZHONGGUO ZHAO HONGYI CHEN HUAICHENG YAN SHENGJUAN SONG NANJING FU XIUXIN MENG FANJUN ZHANG QIUYAN YIN JUNFENG TO: ZHU KONGZAN ZHU ZHEN ZHU HUAYU LI CHENGWU XIA ZONGYAN FENG ENJUAN ZHANG ZHONGGUO ZHAO HONGYI HOU SHAN ZHANG LIJUN SONG NANJING FU XIUXIN MENG FANJUN ZHANG QIUYAN |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20150205 Address after: 276034 No. 369 Renmin Street, Hedong District, Shandong, Linyi Applicant after: Shandong Hongyi Technology Co., Ltd. Applicant after: Linyi University Applicant after: LINYI VOCATIONAL COLLEDGE Address before: 276034 No. 369 Renmin Street, Hedong District, Shandong, Linyi Applicant before: Shandong Hongyi Technology Co., Ltd. Applicant before: Linyi University |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150929 Address after: 276034 No. 369 Renmin Street, Hedong District, Shandong, Linyi Patentee after: Shandong Hongyi Technology Co., Ltd. Address before: 276034 No. 369 Renmin Street, Hedong District, Shandong, Linyi Patentee before: Shandong Hongyi Technology Co., Ltd. Patentee before: Linyi University Patentee before: LINYI VOCATIONAL COLLEDGE |
|
| CP03 | Change of name, title or address |
Address after: 276034 north of the intersection of Wenquan road and Fenghuang street, Fenghuangling sub district office, Hedong District, Linyi City, Shandong Province Patentee after: LINYI HONGYI TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 276034 No. 369 Renmin Street, Hedong District, Shandong, Linyi Patentee before: SHANDONG HONGYI TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 276000 north of the intersection of Wenquan road and Fenghuang street, Fenghuangling sub district office, Hedong, Linyi City, Shandong Province Patentee after: Linyi conch New Material Technology Co.,Ltd. Address before: 276034 north of the intersection of Wenquan road and Fenghuang street, Fenghuangling sub district office, Hedong District, Linyi City, Shandong Province Patentee before: LINYI HONGYI TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address |