CN107043233A - A kind of technique of with preparing base polymers ecomaterial - Google Patents
A kind of technique of with preparing base polymers ecomaterial Download PDFInfo
- Publication number
- CN107043233A CN107043233A CN201710134534.7A CN201710134534A CN107043233A CN 107043233 A CN107043233 A CN 107043233A CN 201710134534 A CN201710134534 A CN 201710134534A CN 107043233 A CN107043233 A CN 107043233A
- Authority
- CN
- China
- Prior art keywords
- parts
- metakaolin
- ecomaterial
- technique according
- technique
- 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.)
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Classifications
-
- 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
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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
-
- 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 present invention relates to the technique of with preparing base polymers ecomaterial.Take the appropriate kaolin calcined levigate metakaolin that sieves to obtain；Take 50~70 parts of domestic garbage incineration flyash, 30~50 parts of metakaolin, 10~20 parts of exciting agent, siccative mixes 10~30 parts of water after mixing, after stirring, batch mixing is injected into mould jolt ramming, then mould is placed in drying box form removal after dry curing, the brick body after form removal finally being continued to be placed in, base is obtained after 12~21d polymers ecomaterial is conserved in 30~80 DEG C of drying box.Using metakaolin and domestic garbage incineration flyash, novel environment friendly functional material is produced.Can be suited measures to local conditions land productivity trade waste, effectively protect water and soil resources, control environmental pollution.With great environment, economic and social benefit.
Description
Technical field
The present invention relates to a kind of disposal of resources of solid waste, it is specifically related to a kind of domestic garbage incineration flyash and prepares
Base polymers ecomaterial technique.
Background technology
In incineration process of domestic garbage, its vent gas treatment link, which can be produced, accounts for flying for waste incineration total amount 5% or so
Ash, it is estimated that about 5,000,000 tons of China's domestic garbage incineration flyash annual production.Flying dust is general in canescence or Dark grey, and particle diameter is small
In 300 μm, moisture content 5%~15%, clinker ignition loss is 10%~15%, particle shape variation.Flying dust is brought to environment
Pollution mainly has heavy metal pollution, bioxin to pollute and dissolving salt pollution.Main Heavy Metals Pollution element in flying dust is Pb, Cd
And Ni.Because the reasons such as waste component, throughput cause to burn incomplete in Refuse Incineration Process, one is enriched with fly ash granule
Quantitative severe toxicity bioxin and furans (PCDD/DFs) class organic pollution, at the transport of domestic garbage incineration flyash, storage, place
In reason and disposal, ecological environment will be constituted a threat to, human health will be caused harm.
Domestic garbage incineration flyash recycling is to solve its unique channel for handling problem.Domestic garbage incineration flyash
Recycling must be paid attention in terms of the utilization of resources and ambient influnence two.In current research, house refuse is burnt
Burning the recycling of flying dust needs to consider 3 each factors：(1) performance and cost.Good performance and it is low into
Originally it is the necessary condition that recycling and the marketization are promoted.(2) flexibility (adaptability) of operation.This main physicochemical properties by flying dust
Determine.(3) environmental standard is met and with long-time stability.
The main component of domestic garbage incineration flyash belongs to CaO-SiO2-Al2O3-Fe2O3System, adds some admixture warps
After medicament is excited, it may occur that the polycondensation reaction for single aggressiveness that the depolymerization reaction and depolymerization reaction of amorphous structure are produced, and formed
The zeolite structured ground polymers of class, with preferable adsorptivity, can play certain place to the pollutant including heavy metal
Effect is managed, environmental requirement is met.Therefore with can preparing economic and environment-friendly base with domestic garbage incineration flyash polymers ecology material
Material.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, a kind of work of with preparing base polymers ecomaterial is proposed
Skill, the present invention is realized " turning waste into wealth " using domestic garbage incineration flyash and metakaolin production novel ecological material.Have
Great environment, economic and social benefit.
The technical scheme is that：A kind of technique of with preparing base polymers ecomaterial, is comprised the following steps that：
(1) appropriate kaolin, is taken, metakaolin is made after calcining at a certain temperature, sieving for standby is ground；
(2) 50~70 parts of incineration of refuse flyash, 30~50 parts of metakaolin (butt), 10~20 parts of exciting agent, are weighed, is mixed
Close uniform；
(3) 10~30 parts of water, are added, is placed in mixer and stirs；
(4), jolt ramming in slurry injection mould；
(5) the mould that slip casting is finished, is delivered into drying box, the form removal after dry curing 12~48 hours at 30~80 DEG C；
(6), the block after form removal continues at 30~80 DEG C, base is obtained after 12~21d of dry curing polymers ecomaterial.
Calcining equilibrium temperature described in preferred steps (1) is 700~900 DEG C, and calcination time is 0.5~2h.It is preferred that walking
Suddenly the grinding sieving described in (1) was 100 mesh sieves.
It is metakaolin that admixture is characterised by described in preferred steps (2).Exciting agent described in preferred steps (2) is
One or more in sodium metasilicate, sodium hydroxide or potassium hydroxide.
Mixing speed in preferred steps (3) is 50~200 revs/min, and mixing time is 20~30min.Preferred steps
(4) the jolt ramming frequency in is 30~50 beats/min, and the jolt ramming time is 2~6min.
Beneficial effect：
1st, curing time is dried short, it is possible to decrease the production cycle, there is certain economy；
2nd, flying dust utilization rate is high, and the useless rate of technique profit is big, can high degree realize refuse reclamation；
3rd, product can effectively close the heavy metal in flying dust, while having preferable retaining, water permeability, with certain ring
Border benefit；
Embodiment
Embodiment 1：
Take 100 parts of kaolin to be placed in crucible, be placed in the Muffle furnace at 700 DEG C and calcine 2h, after cooling to room temperature, mill
Carefully cross 100 mesh sieves stand-by.Rear 70 parts of domestic garbage incineration flyash, 30 parts of metakaolin, 10 parts of sodium hydroxide are taken, is placed in container
Mix, plus 30 parts of water, 20min is stirred with 200 revs/min of frequencies, is shaken after batch mixing stirring in injection mould with 50 beats/min of frequencies
Real 2min.Mould is placed in form removal after the dry curing 12h times in 80 DEG C of drying box, and the block part after form removal is placed in 30 DEG C of drying box
After middle maintenance 21 days base ground polymers ecomaterial.The Testing index of test specimen enters shown in subscript in embodiment 1.
Test specimen Testing index in table 1-1 embodiments 1
Test specimen Leaching of Heavy Metals value in table 1-2 embodiments 1
Embodiment 2：
Take 100 parts of kaolin to be placed in crucible, be placed in the Muffle furnace at 900 DEG C and calcine 0.5h, after cooling to room temperature,
The levigate mesh sieve of mistake 100 is stand-by.Take 61 parts of domestic garbage incineration flyash, 29 parts of metakaolin, 20 parts of sodium metasilicate to be placed in container to mix
It is even, plus 22 parts of water, 25min is stirred with 120 revs/min of frequencies, with 40 beats/min of frequency jolt rammings in injection mould after batch mixing stirring
3min.Mould is placed in form removal after the dry curing 24h times in 50 DEG C of drying box, and the block part after form removal is placed in 50 DEG C of drying box
After maintenance 16 days base ground polymers ecomaterial.The Testing index of test specimen enters shown in subscript in embodiment 2.
Test specimen Testing index in table 2-1 embodiments 2
Test specimen Leaching of Heavy Metals value in table 2-2 embodiments 2
Embodiment 3：
Take 100 parts of kaolin to be placed in crucible, be placed in the Muffle furnace at 800 DEG C and calcine 1h, after cooling to room temperature, mill
Carefully cross 100 mesh sieves stand-by.50 parts of domestic garbage incineration flyash, 50 parts of metakaolin, potassium hydroxide and each 6 parts of sodium metasilicate is taken to be placed in
Mixed in container, plus 10 parts of water, 30min is stirred with 50 revs/min of frequencies, with 20 beats/min in injection mould after batch mixing stirring
Frequency jolt ramming 6min.Mould is placed in form removal after the dry curing 48h times in 30 DEG C of drying box, and the block part after form removal is placed in 80 DEG C
After being conserved 12 days in drying box base ground polymers ecomaterial.The Testing index of test specimen enters shown in subscript in embodiment 3.
Test specimen Testing index in table 3-1 embodiments 3
Test specimen Leaching of Heavy Metals value in table 3-2 embodiments 3
Claims (7)
1. a kind of technique of with preparing base polymers ecomaterial, is comprised the following steps that：
(1) appropriate kaolin, is taken, metakaolin is made after calcining at a certain temperature, sieving for standby is ground；
(2) 50~70 parts of incineration of refuse flyash, 30~50 parts of metakaolin, 10~20 parts of exciting agent, are weighed, is well mixed；
(3) 10~30 parts of water, are added, is placed in mixer and stirs；
(4), jolt ramming in slurry injection mould；
(5) the mould that slip casting is finished, is delivered into drying box, the form removal after dry curing 12~48 hours at 30~80 DEG C；
(6), the block after form removal continues at 30~80 DEG C, base is obtained after 12~21d of dry curing polymers ecomaterial.
2. technique according to claim 1, it is characterised in that the calcining equilibrium temperature in step (1) is 700~900 DEG C；
Calcination time is 0.5~2h.
3. technique according to claim 1, it is characterised in that the grinding sieving described in step (1) was 100 mesh sieves.
4. technique according to claim 1, it is characterised in that the admixture described in step (2) is metakaolin.
5. technique according to claim 1, it is characterised in that the exciting agent described in step (2) is sodium metasilicate, hydroxide
One or more in sodium or potassium hydroxide.
6. technique according to claim 1, it is characterised in that the mixing speed described in step (3) is 50~200 revs/min
Clock, mixing time is 20~30min.
7. technique according to claim 1, it is characterised in that the jolt ramming frequency described in step (4) is 30~50 beats/min
Clock, the jolt ramming time is 2~6min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134534.7A CN107043233A (en) | 2017-03-08 | 2017-03-08 | A kind of technique of with preparing base polymers ecomaterial |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134534.7A CN107043233A (en) | 2017-03-08 | 2017-03-08 | A kind of technique of with preparing base polymers ecomaterial |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108409176A (en) * | 2018-05-18 | 2018-08-17 | 萧县沃德化工科技有限公司 | A kind of domestic garbage incineration flyash geopolymer and preparation method thereof |
| CN109092851A (en) * | 2018-07-27 | 2018-12-28 | 南京工业大学 | Add the technique that miberal powder gelling solidifies heavy metal in domestic garbage incineration flyash |
| PL422998A1 (en) * | 2017-09-28 | 2019-04-08 | Akademia Gorniczo Hutnicza Im Stanislawa Staszica W Krakowie | Method for reduction of washout level of chlorides from mineral mixes that contain wastes characterized by high concentrations of soluble chlorides |
| CN110723929A (en) * | 2019-09-30 | 2020-01-24 | 辽宁海天阁环保科技有限公司 | Baking-free brick and preparation method thereof |
| CN112608088A (en) * | 2020-12-31 | 2021-04-06 | 同济大学 | Geopolymer grouting material based on incineration fly ash and preparation method thereof |
| CN112745079A (en) * | 2021-01-13 | 2021-05-04 | 武汉大学 | Polymer with high carbonization resistance and preparation method thereof |
| CN113121156A (en) * | 2021-04-12 | 2021-07-16 | 南方科技大学 | Treatment method of hazardous waste incineration fly ash |
| CN113563013A (en) * | 2021-07-14 | 2021-10-29 | 辽宁海天阁环保科技有限公司 | Method for preparing waste solidified body and ecological restoration functional component |
| CN114621027A (en) * | 2022-03-14 | 2022-06-14 | 上海康恒环境股份有限公司 | Method for preparing modified geopolymer perforated brick from waste incineration fly ash |
| CN116003009A (en) * | 2022-12-28 | 2023-04-25 | 长安大学 | Fly ash base polymer for roadbed improvement layer and preparation method thereof |
| CN116375493A (en) * | 2023-03-21 | 2023-07-04 | 长沙理工大学 | Method for preparing foaming geopolymer from waste incineration fly ash |
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| CN104803655A (en) * | 2015-04-16 | 2015-07-29 | 同济大学 | Method for producing cement-based composite material for injection reinforcement from waste incineration fly ash |
| CN106377867A (en) * | 2016-08-22 | 2017-02-08 | 武汉都市环保工程技术股份有限公司 | Curing agent and curing method for heavy metals in fly ash from mswi (municipal solid waste incineration) |
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| JP2014028727A (en) * | 2012-07-31 | 2014-02-13 | Maeda Corp | Method for preparing a geopolymer composition and method for building a structure using the geopolymer composition |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL422998A1 (en) * | 2017-09-28 | 2019-04-08 | Akademia Gorniczo Hutnicza Im Stanislawa Staszica W Krakowie | Method for reduction of washout level of chlorides from mineral mixes that contain wastes characterized by high concentrations of soluble chlorides |
| CN108409176B (en) * | 2018-05-18 | 2020-11-27 | 萧县沃德化工科技有限公司 | Household garbage incineration fly ash ground polymer and preparation method thereof |
| CN108409176A (en) * | 2018-05-18 | 2018-08-17 | 萧县沃德化工科技有限公司 | A kind of domestic garbage incineration flyash geopolymer and preparation method thereof |
| CN109092851A (en) * | 2018-07-27 | 2018-12-28 | 南京工业大学 | Add the technique that miberal powder gelling solidifies heavy metal in domestic garbage incineration flyash |
| CN110723929B (en) * | 2019-09-30 | 2021-04-27 | 辽宁海天阁环保科技有限公司 | Baking-free brick and preparation method thereof |
| CN110723929A (en) * | 2019-09-30 | 2020-01-24 | 辽宁海天阁环保科技有限公司 | Baking-free brick and preparation method thereof |
| CN112608088A (en) * | 2020-12-31 | 2021-04-06 | 同济大学 | Geopolymer grouting material based on incineration fly ash and preparation method thereof |
| CN112745079A (en) * | 2021-01-13 | 2021-05-04 | 武汉大学 | Polymer with high carbonization resistance and preparation method thereof |
| CN112745079B (en) * | 2021-01-13 | 2022-02-11 | 武汉大学 | Polymer with high carbonization resistance and preparation method thereof |
| CN113121156A (en) * | 2021-04-12 | 2021-07-16 | 南方科技大学 | Treatment method of hazardous waste incineration fly ash |
| CN113563013A (en) * | 2021-07-14 | 2021-10-29 | 辽宁海天阁环保科技有限公司 | Method for preparing waste solidified body and ecological restoration functional component |
| CN114621027A (en) * | 2022-03-14 | 2022-06-14 | 上海康恒环境股份有限公司 | Method for preparing modified geopolymer perforated brick from waste incineration fly ash |
| CN116003009A (en) * | 2022-12-28 | 2023-04-25 | 长安大学 | Fly ash base polymer for roadbed improvement layer and preparation method thereof |
| CN116003009B (en) * | 2022-12-28 | 2023-08-11 | 长安大学 | Fly ash base polymer for roadbed improvement layer and preparation method thereof |
| CN116375493A (en) * | 2023-03-21 | 2023-07-04 | 长沙理工大学 | Method for preparing foaming geopolymer from waste incineration fly ash |
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Application publication date: 20170815 |