CN110395923A - A kind of polynary solid waste ground non-burning brick preparation method of polymers base - Google Patents
A kind of polynary solid waste ground non-burning brick preparation method of polymers base Download PDFInfo
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- CN110395923A CN110395923A CN201910675885.8A CN201910675885A CN110395923A CN 110395923 A CN110395923 A CN 110395923A CN 201910675885 A CN201910675885 A CN 201910675885A CN 110395923 A CN110395923 A CN 110395923A
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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
- C04B12/00—Cements not provided for in groups C04B7/00 - C04B11/00
- C04B12/005—Geopolymer cements, e.g. reaction products of aluminosilicates with alkali metal hydroxides or silicates
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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
- C04B28/006—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 mineral polymers, e.g. geopolymers of the Davidovits type
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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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/243—Mixtures thereof with activators or composition-correcting additives, e.g. mixtures of fly ash and alkali activators
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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
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of the invention discloses polynary solid waste the non-burning brick preparation method of polymers base.Mixture is mixed to obtain using 2 ~ 3 kinds of siccatives in red mud, metakaolin and the gold tailings after flyash, grinding, then the modification aqueous slkali prepared is poured into together with mixture in blender and is stirred, obtains ground oligomer gel slurry；Then by ground polymers slurry injection molding, vibrate, strike off, stand；It places into maintenance 8 ~ 12 hours in chamber and demoulds later；Finally, placing into chamber continue maintenance 4 ~ 6 hours to get made polynary solid waste the non-burning brick finished product of polymers base.Preparation process of the present invention is simple, and short preparation period is low in cost, and properties of product are stablized, and all products for using red mud not accumulation of salt in the surface soil, can also solve the problems, such as the accumulation of a large amount of flyash, red mud, gold tailings.
Description
Technical field
The invention belongs to building material technical fields, and in particular to a kind of polynary solid waste ground non-burning brick preparation side of polymers base
Method.
Background technique
Promote a conservation culture, basically form energy saving resource and preserve the ecological environment the industrial structure, growth pattern and
Consumption mode is the important development strategic objective in China.Energy-saving and emission-reduction are implement scientific view of development, build sustainable development
Important measures, and one of emphasis of energy-saving and emission-reduction seeks to Developing Circulation Economy, accelerates ecology transformation, constructs across production
Industry ecological chain, control and reduction pollutant, promote the minimizing and resource utilization of industrial mining industry solid waste, effectively improve
Resource utilization realizes economic, society and the Trinitarian coordinated development of environment.
With the development of China's scientific and technological level and being skyrocketed through for process of industrialization, we are same what is created the wealth of society
When, it also produces a large amount of industrial waste and poisonous and hazardous high-risk solid waste, these solid waste is constantly broken
Bad environment threatens the living space of the mankind.
In recent years, Chinese exploitation of gold deposit amount is in rising trend, and tailing yield is increasing, however Chinese tailings comprehensive
The utilization rate of recycling is relatively low, and due to not taking effective resource recycling measure, most tailings is all with letter
Single stockpiling form storage, a large amount of agricultural and woods soil of occupancy, this makes originally, and just the land resource of anxiety is more avenged
Add frost, can't bear the heavy load, is further exacerbated by the deterioration of ecological environment.Serious environmental pollution and ecological disruption allow people gradually to anticipate
Know and improve energy utilization rate, turning waste into wealth is the effective measures for improving gentle solution environmental pollution.
Ground polymers, the entitled geopolymer of English are to propose in the Davidovits by France in 1978 and be unfolded to study,
It is by being rich in sial activated feedstock such as metakaolin, flyash, slag, tailing etc. by alkali-activator (sodium hydroxide, hydroxide
Potassium, sodium metasilicate, potassium silicate mixed liquor) excitation obtained from a kind of novel inorganic Macromolecule with three-dimensional space network structure
Glue material.The hydration reaction of ground polymers is a kind of hydration reaction for being totally different from portland cement, it is a kind of inorganic polymeric
Reaction, preparation do not need portland cement temperature high like that, and energy consumption is far below portland cement, will not in production process
Discharge so much pernicious gas and dust and almost without CO2Discharge, almost non-environmental-pollution, and this gelinite is not only
Excellent in mechanical performance also has the characteristics such as acid and alkali-resistance more stronger than portland cement, high temperature resistant, fire resisting, in Europe, North America and Australia
Big Leah all has its application in terms of construction material, heat-resisting material, solid core solid waste.
Polymers research starting was influenced especially in recent years by foreign countries than later over the ground in China, the heat of research ground polymers
Tide is increasing year by year.Under the main trend for advocating environmental protection, the use of fired brick has been abolished in existing urban at present, energetically
Develop non-burning brick, and using ground polymers as a kind of slurry, can be formed without high temperature sintering, it is seen that use polynary solid waste
It is a kind of economic and environment-friendly sustainable method that ground polymers, which is prepared non-burning brick,.
It, both can be with to sum up, non-burning brick come with preparing polynary solid waste together with flyash polymers base with red mud, golden tailing
Solve the problems, such as that red mud, tailing accumulation to depressurize to soil and environment, and can promote the secondary use of waste, even circulation benefit
With bringing the utilization rate for improving the energy while economic benefit again, and also be compliant with Chinese energy-saving and emission-reduction at present, creation warp
The requirement of the Eco-friendly society of Ji, society and harmonious development.
Summary of the invention
A kind of the object of the present invention is to provide polynary solid waste the non-burning brick preparation method of polymers base.
Specific steps are as follows:
(1) by analytically pure CaCO3CaO is calcined 24 hours to obtain by 1000 DEG C, is stored in spare in vacuum oven.
(2) pure gas-phase silica (SiO will be analyzed2) be placed in baking oven drying 3 hours of 105 DEG C, it is dry that vacuum is placed after cooling
Dry case is spare.
(3) CaO and the pure gas-phase silica of step (2) income analysis obtained by the step of being 1.0~1.3 by molar ratio (1)
(SiO2) be put into HDPE bottles sufficiently it is dry-mixed uniformly, then 100mL deionized water is poured into uniformly mixed CaO and gas-phase silica
(SiO2) in mixing, and seal HDPE bottleneck at once and shaken one day using multitube turbula shaker, formation contains sediment
Solution；Sediment obtains the C-S-H colloid under moisture state by Buchner funnel vacuum filter again, is stored in 100% humidity
Seal box in it is spare.
(4) by CaO obtained by step (1), the pure aluminum nitrate of analysis and the pure gas-phase silica (SiO of step (2) income analysis2) put
Enter HDPE bottles of sufficiently dry-mixed uniform mixtures, in which: CaO and analyze pure gas-phase silica (SiO2) molar ratio be 0.85~
0.95；It analyzes pure aluminum nitrate and analyzes pure gas phase of white carbon black (SiO2) molar ratio be 0.25~0.35.
(5) 100mL deionized water is poured into mixture obtained by step (4), sealing HDPE bottleneck is vortexed using multitube to shake
Swinging device and shaking makes Al sufficiently substitute Si for one month, forms the solution containing sediment；Sediment is again by Buchner funnel vacuum filter
And the C-A-S-H colloid under moisture state is obtained, it is stored in spare in the seal box of 100% humidity.
(6) commercially available analysis pure NaOH or the pure KOH of analysis are poured into deionized water, configures concentration 4~12mol/L's
NaOH solution or KOH solution after sealing and standing is 24 hours cooling, are bottled spare；
(7) C-A-S-H core crystal obtained by C-S-H core crystal obtained by 3~10g step (3) and 3~10g step (5) is poured into
Concentration obtained by 341.5~1680.28mL step (6) is to use model in the NaOH solution or KOH solution of 4~12mol/L
The Probe Ultrasonic Searching wave of VCX130PB is crushed instrument and spreads C-S-H core crystal and C-A-S-H core crystal uniformly to get C- in the solution
S-H/C-A-S-H is modified aqueous slkali.
(8) siccative that 1000g elemental mole ratios are Al:Si:Ca=0.22~0.52:1.00:0.10~0.35 is put into
With 145r/min speed stirring 5~8 minutes in model FY-681 type planetary stirring machine, C-S-H/ obtained by step (7) is added
C-A-S-H is modified aqueous slkali, and the ratio of mud is 0.32~0.5, first with 145r/min speed stirring 2~3 minutes, then with 280r/min
Speed stirs 5~10 minutes, after mixing evenly as polynary solid waste ground oligomer gel material；The siccative is flyash, grinding
Two or three in rear red mud, metakaolin and gold tailings.
(9) it by polynary solid waste obtained by step (8) pours into standard stock mould two layers of oligomer gel body point, is placed after every layer of injection
Vibrate 15~20 seconds on the flat vibrating table that vibration frequency is 2860HZ, shaken it is close after be stored at room temperature 2~3 hours after it is obtained
The polynary solid waste ground non-burning brick semi-finished product of polymers；And then it is put into programmable constant temperature humidity chamber and is taken off after maintenance 8~12 hours
Mould, curing temperature control is at 40~60 DEG C, and humid control is 40~50%, and polymers base is unburned the polynary solid waste after demoulding is made
Brick semi-finished product；It is conserved 4~6 hours using programmable constant temperature humidity chamber, curing temperature control is at 40~60 DEG C, humidity control
System is 40~50%, with the obtaining polynary solid waste non-burning brick finished product of polymers base.
Preparation process of the present invention is simple, so equipment is all conventional equipment, short preparation period is low in cost, properties of product
Stablize, and all have the product for using red mud the accumulation of salt in the surface soil, the accumulation that can also solve a large amount of flyash, red mud, gold tailings are not asked
Topic.
Specific embodiment
Embodiment:
(1) by analytically pure CaCO3CaO is calcined 24 hours to obtain by 1000 DEG C, is stored in spare in vacuum oven.
(2) pure gas-phase silica (SiO will be analyzed2) be placed in baking oven drying 3 hours of 105 DEG C, it is dry that vacuum is placed after cooling
Dry case is spare.
(3) by molar ratio be 1.0 the step of (1) obtained by the CaO and pure gas-phase silica (SiO of step (2) income analysis2) put
Enter HDPE bottles sufficiently it is dry-mixed uniformly, then 100mL deionized water is poured into uniformly mixed CaO and gas-phase silica (SiO2) mixed
In material, and HDPE bottleneck is sealed at once and is shaken one day using multitube turbula shaker, form the solution containing sediment；Precipitating
Object obtains the C-S-H colloid under moisture state by Buchner funnel vacuum filter again, is stored in the seal box of 100% humidity
It is spare.
(4) by CaO obtained by step (1), the pure aluminum nitrate of analysis and the pure gas-phase silica (SiO of step (2) income analysis2) put
Enter HDPE bottles of sufficiently dry-mixed uniform mixtures, in which: CaO and analyze pure gas-phase silica (SiO2) molar ratio be 0.85；
It analyzes pure aluminum nitrate and analyzes pure gas phase of white carbon black (SiO2) molar ratio be 0.25.
(5) 100mL deionized water is poured into mixture obtained by step (4), sealing HDPE bottleneck is vortexed using multitube to shake
Swinging device and shaking makes Al sufficiently substitute Si for one month, forms the solution containing sediment；Sediment is again by Buchner funnel vacuum filter
And the C-A-S-H colloid under moisture state is obtained, it is stored in spare in the seal box of 100% humidity.
(6) the commercially available pure NaOH of analysis is poured into deionized water, configures concentration in the NaOH solution of 10mol/L, sealing
After standing cooling 24 hours, bottle spare；
(7) C-A-S-H core crystal obtained by C-S-H core crystal obtained by 4g step (3) and 4g step (5) is poured into 601.4mL
Concentration obtained by step (6) is to be crushed instrument for C- using the Probe Ultrasonic Searching wave of model VCX130PB in the NaOH solution of 10mol/L
S-H core crystal and C-A-S-H core crystal are spread uniformly in the solution to get the modified NaOH solution of C-S-H/C-A-S-H.
(8) the 700g flyash and 300g that powder body material elemental mole ratios are Al:Si:Ca=0.32:1.00:0.3 are chosen
Gold tailings are put into model FY-681 type planetary stirring machine as siccative, with 145r/min speed stirring 5 minutes, are added
The modified NaOH solution of C-S-H/C-A-S-H obtained by step (7), the ratio of mud 0.42 are first stirred 3 minutes with 145r/min speed,
Again with 280r/min speed stirring 5 minutes, after mixing evenly up to polynary solid waste ground oligomer gel material.
(9) it by polynary solid waste obtained by step (8) pours into standard stock mould two layers of oligomer gel body point, is placed after every layer of injection
In vibration frequency be 2860HZ flat vibrating table on vibrate 20 seconds, shaken it is close after be stored at room temperature 2 hours after be made polynary solid
The useless ground non-burning brick semi-finished product of polymers；And then be put into maintenance in programmable constant temperature humidity chamber and demoulded after 12 hours, maintenance temperature
Degree control is at 60 DEG C, and humid control is 50%, polynary solid waste after demoulding the is made ground non-burning brick semi-finished product of polymers base；Using can
Formula constant temperature humidity chamber conserves 6 hours, and curing temperature is controlled at 60 DEG C, and humid control obtains polynary solid waste 50%
The non-burning brick finished product of ground polymers base.
Polynary solid waste made from the present embodiment the non-burning brick intensity of polymers base reach 18.5Mpa, furthermore produce in this formula
The physical property of product is also more stable, and corresponding volume density is 1089g/cm3, this illustrates that it meets national standard, can carry out
Utilization and extention not only realizes environmental issue, can also bring economic benefit.
Claims (1)
1. a kind of polynary solid waste ground non-burning brick preparation method of polymers base, it is characterised in that specific steps are as follows:
(1) by analytically pure CaCO3CaO is calcined 24 hours to obtain by 1000 DEG C, is stored in spare in vacuum oven；
(2) pure gas-phase silica i.e. SiO will be analyzed2It is placed in 105 DEG C of baking oven to dry 3 hours, it is standby to place vacuum oven after cooling
With；
(3) by molar ratio be 1.0 ~ 1.3 the step of (1) obtained by the CaO and pure gas-phase silica, that is, SiO of step (2) income analysis2It puts
Enter HDPE bottles sufficiently it is dry-mixed uniformly, then 100mL deionized water is poured into uniformly mixed CaO and gas-phase silica i.e. SiO2It is mixed
In material, and HDPE bottleneck is sealed at once and is shaken one day using multitube turbula shaker, form the solution containing sediment；Precipitating
Object obtains the C-S-H colloid under moisture state by Buchner funnel vacuum filter again, is stored in the seal box of 100% humidity
It is spare；
(4) by CaO obtained by step (1), the pure aluminum nitrate of analysis and the pure gas-phase silica, that is, SiO of step (2) income analysis2It is put into
HDPE bottles of sufficiently dry-mixed uniform mixtures, in which: CaO and analyze pure gas-phase silica, that is, SiO2Molar ratio be 0.85 ~
0.95；It analyzes pure aluminum nitrate and analyzes the pure i.e. SiO of gas phase of white carbon black2Molar ratio be 0.25 ~ 0.35；
(5) 100mL deionized water is poured into mixture obtained by step (4), sealing HDPE bottleneck utilizes multitube turbula shaker
Concussion makes Al sufficiently substitute Si for one month, forms the solution containing sediment；Sediment is obtained by Buchner funnel vacuum filter again
C-A-S-H colloid under moisture state is stored in spare in the seal box of 100% humidity；
(6) commercially available analysis pure NaOH or the pure KOH of analysis are poured into deionized water, configures concentration in the NaOH of 4 ~ 12mol/L
Solution or KOH solution after sealing and standing is 24 hours cooling, are bottled spare；
(7) C-A-S-H core crystal obtained by C-S-H core crystal obtained by 3 ~ 10g step (3) and 3 ~ 10g step (5) is poured into 341.5 ~
Concentration obtained by 1680.28mL step (6) is to use model VCX130PB's in the NaOH solution or KOH solution of 4 ~ 12mol/L
Probe Ultrasonic Searching wave is crushed instrument and spreads C-S-H core crystal and C-A-S-H core crystal uniformly to get C-S-H/C-A-S- in the solution
H is modified aqueous slkali；
It (8) is that Al:Si:Ca=0.22 ~ 0.52:1.00:0.10 ~ 0.35 siccative is put into model by 1000g elemental mole ratios
With 145r/min speed stirring 5 ~ 8 minutes in FY-681 type planetary stirring machine, C-S-H/C-A-S-H obtained by step (7) is added
Modified aqueous slkali, the ratio of mud are 0.32 ~ 0.5, first with 145r/min speed stirring 2 ~ 3 minutes, then with 280r/min speed stirring 5
~ 10 minutes, after mixing evenly up to polynary solid waste ground oligomer gel material；The siccative is flyash, the red mud after grinding, partially
Two or three in kaolin and gold tailings；
(9) it by polynary solid waste obtained by step (8) pours into standard stock mould two layers of oligomer gel body point, is placed in vibration after every layer of injection
Dynamic frequency be 2860HZ flat vibrating table on vibrate 15 ~ 20 seconds, shaken it is close after be stored at room temperature 2 ~ 3 hours after be made polynary solid
The useless ground non-burning brick semi-finished product of polymers；And then be put into maintenance in programmable constant temperature humidity chamber and demoulded after 8 ~ 12 hours, it conserves
Temperature control is at 40 ~ 60 DEG C, and humid control is 40 ~ 50%, polynary solid waste after demoulding the is made ground non-burning brick semi-finished product of polymers base；
Conserved 4 ~ 6 hours using programmable constant temperature humidity chamber, curing temperature control at 40 ~ 60 DEG C, humid control 40 ~ 50%,
With the obtaining polynary solid waste non-burning brick finished product of polymers base.
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Cited By (5)
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| CN111253097A (en) * | 2020-02-27 | 2020-06-09 | 商洛学院 | Preparation method of molybdenum tailing geopolymer cementing material |
| CN111792886A (en) * | 2020-07-21 | 2020-10-20 | 湖南大学 | Non-sintered slate tailing brick and preparation method thereof |
| CN113024198A (en) * | 2021-03-17 | 2021-06-25 | 筑友智造科技投资有限公司 | Old-imitation black brick and preparation method thereof |
| CN114804794A (en) * | 2022-05-27 | 2022-07-29 | 路德环境科技股份有限公司 | Chloride ion curing agent for ammonia-soda process alkaline residue and preparation method and application thereof |
| CN115368068A (en) * | 2022-10-27 | 2022-11-22 | 途昇(天津)环保科技有限公司 | Preparation method of efflorescence-resistant incineration waste bottom ash geopolymer solid brick and solid brick |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114804794A (en) * | 2022-05-27 | 2022-07-29 | 路德环境科技股份有限公司 | Chloride ion curing agent for ammonia-soda process alkaline residue and preparation method and application thereof |
| CN114804794B (en) * | 2022-05-27 | 2022-12-13 | 路德环境科技股份有限公司 | Chloride ion curing agent for ammonia-soda process caustic sludge as well as preparation method and application of chloride ion curing agent |
| CN115368068A (en) * | 2022-10-27 | 2022-11-22 | 途昇(天津)环保科技有限公司 | Preparation method of efflorescence-resistant incineration waste bottom ash geopolymer solid brick and solid brick |
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Application publication date: 20191101 |