CN106220006A - A kind of preparation method of garbage base geological polymer material - Google Patents

A kind of preparation method of garbage base geological polymer material Download PDF

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Publication number
CN106220006A
CN106220006A CN201610540689.6A CN201610540689A CN106220006A CN 106220006 A CN106220006 A CN 106220006A CN 201610540689 A CN201610540689 A CN 201610540689A CN 106220006 A CN106220006 A CN 106220006A
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China
Prior art keywords
garbage
polymer
parts
add
dust
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CN201610540689.6A
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Chinese (zh)
Inventor
雷春生
王龙
陆娜
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雷春生
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Priority to CN201610540689.6A priority Critical patent/CN106220006A/en
Publication of CN106220006A publication Critical patent/CN106220006A/en

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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00Hydraulic cements
    • C04B7/24Cements from oil shales, residues or waste other than slag
    • C04B7/243Mixtures thereof with activators or composition-correcting additives, e.g. mixtures of fly ash and alkali activators
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B12/00Cements not provided for in groups C04B7/00 - C04B11/00
    • C04B12/005Geopolymer cements, e.g. reaction products of aluminosilicates with alkali metal hydroxides or silicates
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding

Abstract

The invention discloses the preparation method of a kind of garbage base geological polymer material, belong to waste's reclamation and building materials preparing technical field.The present invention uses building castoff dust to be raw material, after high-temperature calcination activates, it is blended with flyash, cullet powder, and with the standby waterglass of the molten boiling of rice hull ash as alkali-activator, the slurry preparing good fluidity injects mould, cold moudling, and under the hydrothermal condition of continued mechanical External Force Acting, prepare garbage base geological polymer material.Finishing permanent, corrosion resistance that the present invention prepares are higher, and service life is long, compared with traditional handicraft, improve the reaction efficiency of geo-polymer, shorten generation cycle, and preparation process low-carbon environment-friendly, it is achieved that the secondary of garbage utilizes.

Description

A kind of preparation method of garbage base geological polymer material
Technical field
The invention discloses the preparation method of a kind of garbage base geological polymer material, belong to waste's reclamation and Building materials preparing technical field.
Background technology
Material is one of three big pillars of modern civilization, is also the important substance base of developing national economy and mechanical industry Plinth.The fast development of modern science and technology proposes more stringent requirement to mechanical property and the physical property of material, the present age The forward position of material science research is developed to higher, the more preferable direction of performance.But pursuit material is high performance while, people Also focus more on " without garbage forming processing technology " in the course of processing, i.e. do not produce garbage, or the garbage energy produced Utilized as raw material by whole manufacture process, and during the next one, no longer produce garbage.Therefore, the material of 21 century Scientific research develops towards green, environmental protection, energy-conservation, high-performance direction.Geo-polymer is as a kind of novel green material Material, just gets more and more people's extensive concerning.
Geo-polymer be a kind of Kaolin, slag, flyash or other silica-aluminum materialses to activate be main Raw material, in the presence of exciting agent, is obtained by highly basic dissolving, the monomer reconstruct low-temp reaction process such as gelation, polycondensation hardening A kind of Novel Inorganic Polymers gel rubber material.Geo-polymer contains substantial amounts of sial long-chain, its structure composition and ground hull shape Become material quite similar, can be described as the most again oligomer, soil polymers, soil polyalcohol, mineral polymer, inorganic polymer polymerization Thing etc..Construction waste not only heavy damage ecological environment, and affect the reusable edible of resource, but traditional geology is gathered Laminate material intensity is low, energy consumption is high, pollution is big and does not has the most preferably corrosion resistance and durability.
Summary of the invention
The technical problem that present invention mainly solves: long for the most traditional geology polymer material production cycle is durable Property and the highest problem of corrosion resistance, it is provided that the preparation method of a kind of garbage base geological polymer material, the present invention uses Building castoff dust is raw material, after high-temperature calcination activates, is blended with flyash, cullet powder, and with the molten boiling of rice hull ash Standby waterglass as alkali-activator, prepares the slurry of good fluidity and injects mould, cold moudling, and outside continued mechanical Under the hydrothermal condition of power effect, prepare garbage base geological polymer material, finishing permanent that the present invention prepares, corrosion resistance Higher, service life is long, compared with traditional handicraft, improves the reaction efficiency of geo-polymer, shortens the generation cycle, and Preparation process low-carbon environment-friendly, it is achieved that the secondary of garbage utilizes.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
(1) weighing 50 ~ 80g rice hull ash, add in reactor, adding 125 ~ 200mL mass concentration is 25% sodium hydroxide solution, Being uniformly mixed with 200 ~ 300r/min, be heated to 110 ~ 125 DEG C, control reacting kettle inner pressure is 0.15 ~ 0.20MPa, protects Holding that temperature is molten boils 3 ~ 4h, be cooled to room temperature, sucking filtration, take filtrate, dripping mass concentration in filtrate is that 25% sodium hydroxide solution is adjusted Joint modulus of water glass is 1.0 ~ 1.2, obtains alkali-activator, standby;
(2) weigh 80 ~ 100g building castoff dust, add in calcining furnace, at 600 ~ 650 DEG C, calcine 3 ~ 4h, be cooled to room Temperature, takes out, and adds in pulverizer and pulverizes, and crosses 200 mesh sieves, obtains Alive Building garbage dust;
(3) count by weight, weigh 30 ~ 40 parts of flyash, 15 ~ 20 parts of cullet, add in ball mill and be milled to mixed powder Grain diameter is 10 ~ 25 μm, adds 15 ~ 20 parts of above-mentioned Alive Building garbage dust, 20 ~ 30 parts of above-mentioned steps in mixed powder (1) alkali-activator prepared, stands 30 ~ 40min, adds 3 ~ 5 parts of deionized waters, with 300 ~ 400r/min stirring to good stream The slurry of dynamic property, obtains geo-polymer slurry;
(4) above-mentioned geo-polymer slurry is injected in mould, be placed in Hydrothermal hot-pressing device, under 8 ~ 9MPa, cold moudling, Keep pressure heating to 180 ~ 200 DEG C, hydrothermal hardening 40 ~ 50min, take out, solidfied material is placed in 80 ~ 85 DEG C of drying baker be dried 20 ~ 24h, is cooled to room temperature, obtains garbage base geological polymer material.
The application process of the present invention is: the construction materials such as the geology polymer material surface cement present invention prepared enter Row is smeared, and cement thickness is about 2 ~ 3cm, is carried out being piled into wall, repeatedly presses 3 ~ 4 times until smooth with scraper plate, wall Occur that the crack time limit extends 5 ~ 9 years, the energy consumption reduction by 10 ~ 15% of the geology polymer material that the present invention prepares, acidproof, resistance to Alkali content improves 30 ~ 35%, and low-carbon environment-friendly, free from environmental pollution, it is achieved that the secondary of garbage utilizes.
The invention has the beneficial effects as follows:
(1) energy consumption of the present invention is low, reduces 10%;
(2) alkali content acidproof, resistance to improves 30%, has preferably durability and corrosion resistance;
(3) low-carbon environment-friendly, it is achieved the secondary cycle of garbage utilizes, it is to avoid the waste of ample resources.
Detailed description of the invention
First weighing 50 ~ 80g rice hull ash, add in reactor, adding 125 ~ 200mL mass concentration is 25% sodium hydroxide Solution, is uniformly mixed with 200 ~ 300r/min, is heated to 110 ~ 125 DEG C, control reacting kettle inner pressure be 0.15 ~ 0.20MPa, keeps that temperature is molten boils 3 ~ 4h, is cooled to room temperature, sucking filtration, takes filtrate, and dripping mass concentration in filtrate is 25% hydrogen-oxygen Changing sodium solution regulation modulus of water glass is 1.0 ~ 1.2, obtains alkali-activator, standby;Weigh 80 ~ 100g building castoff dust, Add in calcining furnace, at 600 ~ 650 DEG C, calcine 3 ~ 4h, be cooled to room temperature, take out, add in pulverizer and pulverize, cross 200 mesh Sieve, obtains Alive Building garbage dust;Count by weight, weigh 30 ~ 40 parts of flyash, 15 ~ 20 parts of cullet, add ball milling Being milled to mixed powder grain diameter in machine is 10 ~ 25 μm, adds 15 ~ 20 parts of above-mentioned Alive Building garbage powder in mixed powder Dirt, the alkali-activator of 20 ~ 30 parts of above-mentioned preparations, stand 30 ~ 40min, add 3 ~ 5 parts of deionized waters, with 300 ~ 400r/min Stir the slurry to good fluidity, obtain geo-polymer slurry;Above-mentioned geo-polymer slurry is injected in mould, is placed in In Hydrothermal hot-pressing device, under 8 ~ 9MPa, cold moudling, keep pressure heating to 180 ~ 200 DEG C, hydrothermal hardening 40 ~ 50min, Take out, solidfied material is placed in 80 ~ 85 DEG C of drying baker and is dried 20 ~ 24h, be cooled to room temperature, obtain garbage base geological polymer material Material.
Example 1
First weighing 50g rice hull ash, add in reactor, adding 125mL mass concentration is 25% sodium hydroxide solution, with 200r/ Min is uniformly mixed, and is heated to 110 DEG C, and control reacting kettle inner pressure is 0.15MPa, keeps that temperature is molten boils 3h, is cooled to room Temperature, sucking filtration, take filtrate, in filtrate drip mass concentration be 25% sodium hydroxide solution regulation modulus of water glass be 1.0, obtain alkali Property exciting agent, standby;Weigh 80g building castoff dust, add in calcining furnace, at 600 DEG C, calcine 3h, be cooled to room temperature, Take out, add in pulverizer and pulverize, cross 200 mesh sieves, obtain Alive Building garbage dust;Count by weight, weigh 30 parts of powder Coal ash, 15 parts of cullet, being milled to mixed powder grain diameter in addition ball mill is 10 μm, and in mixed powder, addition 15 parts is above-mentioned Alive Building garbage dust, the alkali-activator of 20 parts of above-mentioned preparations, stand 30min, add 3 parts of deionized waters, with 300r/ Min stirring, to the slurry of good fluidity, obtains geo-polymer slurry;Above-mentioned geo-polymer slurry is injected in mould, Be placed in Hydrothermal hot-pressing device, under 8MPa, cold moudling, keep pressure heating to 180 DEG C, hydrothermal hardening 40min, take out, Solidfied material is placed in 80 DEG C of drying baker and is dried 20h, be cooled to room temperature, obtain garbage base geological polymer material.
The application process of the present invention is: the construction materials such as the geology polymer material surface cement present invention prepared enter Row is smeared, and cement thickness is about 2cm, is carried out being piled into wall, repeatedly presses with scraper plate 3 times until smooth, and wall occurs The crack time limit extends 5 years, and the energy consumption of the geology polymer material that the present invention prepares reduces by 10%, and alkali content acidproof, resistance to improves 30%, and low-carbon environment-friendly, free from environmental pollution, it is achieved that the secondary of garbage utilizes.
Example 2
First weighing 65g rice hull ash, add in reactor, adding 163mL mass concentration is 25% sodium hydroxide solution, with 250r/ Min is uniformly mixed, and is heated to 118 DEG C, and control reacting kettle inner pressure is 0.17MPa, keeps that temperature is molten boils 3.5h, is cooled to Room temperature, sucking filtration, take filtrate, in filtrate drip mass concentration be 25% sodium hydroxide solution regulation modulus of water glass be 1.1, Alkali-activator, standby;Weigh 90g building castoff dust, add in calcining furnace, at 630 DEG C, calcine 3.5h, be cooled to room Temperature, takes out, and adds in pulverizer and pulverizes, and crosses 200 mesh sieves, obtains Alive Building garbage dust;Count by weight, weigh 35 parts Flyash, 17 parts of cullet, being milled to mixed powder grain diameter in addition ball mill is 18 μm, in mixed powder in addition 17 parts State Alive Building garbage dust, the alkali-activator of 25 parts of above-mentioned preparations, stand 35min, add 4 parts of deionized waters, with 350r/min stirring, to the slurry of good fluidity, obtains geo-polymer slurry;Above-mentioned geo-polymer slurry is injected mould In tool, being placed in Hydrothermal hot-pressing device, under 8.5MPa, cold moudling, holding pressure heating is to 190 DEG C, hydrothermal hardening 45min, takes out, and is placed in by solidfied material in 83 DEG C of drying baker and is dried 22h, is cooled to room temperature, obtains garbage base geological polymer material Material.
The application process of the present invention is: the construction materials such as the geology polymer material surface cement present invention prepared enter Row smear, cement thickness is about 2.5cm, is carried out being piled into wall, repeatedly press with scraper plate 3 times until smooth, wall goes out The existing crack time limit extends 7 years, and the energy consumption of the geology polymer material that the present invention prepares reduces by 12%, and alkali content acidproof, resistance to improves 32%, and low-carbon environment-friendly, free from environmental pollution, it is achieved that the secondary of garbage utilizes.
Example 3
First weighing 80g rice hull ash, add in reactor, adding 200mL mass concentration is 25% sodium hydroxide solution, with 300r/ Min is uniformly mixed, and is heated to 125 DEG C, and control reacting kettle inner pressure is 0.20MPa, keeps that temperature is molten boils 4h, is cooled to room Temperature, sucking filtration, take filtrate, in filtrate drip mass concentration be 25% sodium hydroxide solution regulation modulus of water glass be 1.2, obtain alkali Property exciting agent, standby;Weigh 100g building castoff dust, add in calcining furnace, at 650 DEG C, calcine 4h, be cooled to room temperature, Take out, add in pulverizer and pulverize, cross 200 mesh sieves, obtain Alive Building garbage dust;Count by weight, weigh 40 parts of powder Coal ash, 20 parts of cullet, being milled to mixed powder grain diameter in addition ball mill is 25 μm, and in mixed powder, addition 20 parts is above-mentioned Alive Building garbage dust, the alkali-activator of 30 parts of above-mentioned preparations, stand 40min, add 5 parts of deionized waters, with 400r/ Min stirring, to the slurry of good fluidity, obtains geo-polymer slurry;Above-mentioned geo-polymer slurry is injected in mould, Be placed in Hydrothermal hot-pressing device, under 9MPa, cold moudling, keep pressure heating to 200 DEG C, hydrothermal hardening 50min, take out, Solidfied material is placed in 85 DEG C of drying baker and is dried 24h, be cooled to room temperature, obtain garbage base geological polymer material.
The application process of the present invention is: the construction materials such as the geology polymer material surface cement present invention prepared enter Row is smeared, and cement thickness is about 3cm, is carried out being piled into wall, repeatedly presses with scraper plate 4 times until smooth, and wall occurs The crack time limit extends 9 years, and the energy consumption of the geology polymer material that the present invention prepares reduces by 15%, and alkali content acidproof, resistance to improves 35%, and low-carbon environment-friendly, free from environmental pollution, it is achieved that the secondary of garbage utilizes.

Claims (1)

1. the preparation method of a garbage base geological polymer material, it is characterised in that concrete preparation process is:
(1) weighing 50 ~ 80g rice hull ash, add in reactor, adding 125 ~ 200mL mass concentration is 25% sodium hydroxide solution, Being uniformly mixed with 200 ~ 300r/min, be heated to 110 ~ 125 DEG C, control reacting kettle inner pressure is 0.15 ~ 0.20MPa, protects Holding that temperature is molten boils 3 ~ 4h, be cooled to room temperature, sucking filtration, take filtrate, dripping mass concentration in filtrate is that 25% sodium hydroxide solution is adjusted Joint modulus of water glass is 1.0 ~ 1.2, obtains alkali-activator, standby;
(2) weigh 80 ~ 100g building castoff dust, add in calcining furnace, at 600 ~ 650 DEG C, calcine 3 ~ 4h, be cooled to room Temperature, takes out, and adds in pulverizer and pulverizes, and crosses 200 mesh sieves, obtains Alive Building garbage dust;
(3) count by weight, weigh 30 ~ 40 parts of flyash, 15 ~ 20 parts of cullet, add in ball mill and be milled to mixed powder Grain diameter is 10 ~ 25 μm, adds 15 ~ 20 parts of above-mentioned Alive Building garbage dust, 20 ~ 30 parts of above-mentioned steps in mixed powder (1) alkali-activator prepared, stands 30 ~ 40min, adds 3 ~ 5 parts of deionized waters, with 300 ~ 400r/min stirring to good stream The slurry of dynamic property, obtains geo-polymer slurry;
(4) above-mentioned geo-polymer slurry is injected in mould, be placed in Hydrothermal hot-pressing device, under 8 ~ 9MPa, cold moudling, Keep pressure heating to 180 ~ 200 DEG C, hydrothermal hardening 40 ~ 50min, take out, solidfied material is placed in 80 ~ 85 DEG C of drying baker be dried 20 ~ 24h, is cooled to room temperature, obtains garbage base geological polymer material.
CN201610540689.6A 2016-07-11 2016-07-11 A kind of preparation method of garbage base geological polymer material CN106220006A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107265891A (en) * 2017-07-19 2017-10-20 沈阳建筑大学 One kind is using enhanced geopolymer of rice hull ash and preparation method thereof
US20170349488A1 (en) * 2016-06-07 2017-12-07 Council Of Scientific & Industrial Research Novel Multifunctional Material for Workability of Geopolymeric System and its Process Thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101041567A (en) * 2006-03-23 2007-09-26 李秋义 Producing steam pressure brick by using construction garbage
CN103011733A (en) * 2012-12-24 2013-04-03 济南大学 Waste base polymer building block and fabrication method thereof
CN104083945A (en) * 2014-05-22 2014-10-08 内蒙古大学 Zeolite ceramic prepared by utilizing coal gangue and construction waste and preparation technology thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101041567A (en) * 2006-03-23 2007-09-26 李秋义 Producing steam pressure brick by using construction garbage
CN103011733A (en) * 2012-12-24 2013-04-03 济南大学 Waste base polymer building block and fabrication method thereof
CN104083945A (en) * 2014-05-22 2014-10-08 内蒙古大学 Zeolite ceramic prepared by utilizing coal gangue and construction waste and preparation technology thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170349488A1 (en) * 2016-06-07 2017-12-07 Council Of Scientific & Industrial Research Novel Multifunctional Material for Workability of Geopolymeric System and its Process Thereof
US10023497B2 (en) * 2016-06-07 2018-07-17 Council Of Scientific & Industrial Research Multifunctional material for workability of geopolymeric system and its process thereof
CN107265891A (en) * 2017-07-19 2017-10-20 沈阳建筑大学 One kind is using enhanced geopolymer of rice hull ash and preparation method thereof

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Application publication date: 20161214