CN106045399B - A kind of water-permeable brick and preparation method thereof - Google Patents

A kind of water-permeable brick and preparation method thereof Download PDF

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Publication number
CN106045399B
CN106045399B CN201610384601.6A CN201610384601A CN106045399B CN 106045399 B CN106045399 B CN 106045399B CN 201610384601 A CN201610384601 A CN 201610384601A CN 106045399 B CN106045399 B CN 106045399B
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China
Prior art keywords
water
permeable brick
ash
reducing agent
cement
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CN106045399A (en
Inventor
李春萍
王奕仁
吴学谦
黄乐
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Beijing Jinyu Limited-Liability Co
Beijing Building Materials Academy of Sciences Research
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Beijing Jinyu Limited-Liability Co
Beijing Building Materials Academy of Sciences Research
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Classifications

    • 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
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • 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
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04Waste materials; Refuse
    • C04B18/06Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
    • 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
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04Waste materials; Refuse
    • C04B18/16Waste materials; Refuse from building or ceramic industry
    • 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
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00284Materials permeable to liquids
    • 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The present invention is a kind of water-permeable brick and preparation method thereof, and the component and ratio of weight and number of water-permeable brick are:Gather materials:1350 ~ 1400, cement:399 ~ 445, silicon ash:25 ~ 29, water-reducing agent:3 ~ 4, water:105~135;The inorganic bottom ash that is produced by house refuse after burning or gasification of gathering materials and building waste two parts comprising stone, queen closer form.The aggregate that particle diameter is 5mm ~ 9.5mm is crushed to after inorganic low slag and building waste mixing in gathering materials;Moistening of gathering materials and will gather materials, the input mixer stirring of gathering materials of wetting first are rinsed with part washing, then remaining water, cement, silicon ash and water-reducing agent are put into mixer and stirred, discharge aftershaping, conserves to obtain water-permeable brick.The present invention prepares the water-permeable brick mated formation available for urban road using building waste, not only solves the fixed-end forces problem in puzzlement China, but also can realize recycling with the treatment of wastes with processes of wastes against one another.

Description

A kind of water-permeable brick and preparation method thereof
Technical field
The present invention relates to solid waste to recycle field, more particularly to is produced after being heat-treated for waste incineration, gasification etc. Raw bottom ash and building waste reutilization technology, be specially a kind of water-permeable brick prepared using inorganic low slag and building waste and its Preparation method.
Background technology
The treatment technologies such as waste incineration, gasification start to promote and apply on a large scale in China, but at the heat such as waste incineration, gasification After reason, the inorganic bottom ash of 20% ~ 30% mass can be produced.Therefore, the generation of inorganic bottom ash is largely heat-treated, equally can also be given increasingly Nervous landfill yard increases burden, and in order to realize " zero padding is buried " of rubbish, rubbish is heat-treated inorganic bottom ash comprehensive utilization of resources As a practical ways.
Nowadays the bottom ash recycling that countries in the world produce after being heat-treated to waste incineration, gasification etc. has had deeply Research, such as Holland, the utilization rate of Germany are up to 99% or more;Waste incineration bottom ash recycling is classified as new weight by the U.S. Point development scheme.China also since 1985, the disposal of resources of waste incineration bottom ash is mentioned in main agenda, and And the regulation and related economic policy of part waste incineration bottom ash recycling have been put into effect in succession.But on the whole, rubbish is burnt Burn, the bottom ash utilization rate that produces is low, utilization obstacle is uneven after the heat treatment such as gasification, utilization scope it is unequal be still it is present or even The significant problem and research direction that will be solved from now on.
With industrialization, the acceleration of urbanization process, construction industry is also fast-developing at the same time, the building waste produced together Increasing, the quantity of Chinese architecture rubbish has accounted for more than the 1/3 of municipal refuse total amount.The quantity of China's building waste has accounted for To the 30%-40% of municipal refuse total amount.Calculated with 500-600 tons/ten thousand square metres of standard, to building waste the year two thousand twenty, China Also by about 30,000,000,000 square metres of newly-increased construction area, newly generated building waste will be a shocking numeral.However, absolutely Most of building waste just transports countryside or rural area, air storage or landfill to by unit in charge of construction, consumes a large amount of without any processing Land acquisition expense, the pork barrel such as refuse collection expense, meanwhile, clear and flown upward with dropping in stacking process with dust, sand-lime The problems such as cause serious environmental pollution again.
The main resource Land use systems of the utilization present situation of comprehensive countries in the world, bottom ash and building waste have:(1)Oil drips The replacement aggregate on blue or green road surface;(2)The replacement aggregate of cement or concrete;(3)Landfill;(4)Embankment, roadbed etc. Packing material etc..If it is considered that it utilizes position, land cement base and asphaltic base engineering (such as road, parking are primarily used as Etc.) and marine building engineering(Such as artificial submerged reef, shore protection).
As China's ur- banization speed is accelerated, the level of economic development improves, and groundwater resources occur in succession in most cities Shortage, tropical island effect etc..The main of these phenomenons is caused the reason is that the change of city underlying surface characteristic, is primarily referred to as manually repairing The road built, runway, square etc. instead of original soil and vegetation.The structure that these are waterproof, density is big blocks Water Cycle in city scope, reduces heat of gasification, exacerbates the tropical island effect in city, and therefore, increase structure is on ground Porosity, to alleviate urban heat land effect play certain positive effect.At present, countries in the world start to advocate permeable pavement System, wherein water-permeable brick receive people as a kind of novel ecological product for alleviating urban environment decay pressure, development prospect More and more concerns.Water-permeable brick is to solve urban surface hardening, builds the natural living environment of high quality, safeguards that city is given birth to The century environment-friendly building materials new product that state is balanced and is solemnly born.Water penetration, moisture retention with holding ground, anti-skidding, high intensity, The features such as cold-resistant, weather resistance, noise reduction, sound-absorbing.
The content of the invention
The technical problem to be solved in the present invention is to provide it is a kind of prepared using waste incineration bottom ash and building waste it is permeable The solid waste such as the preparation method of brick and the water-permeable brick, stone, queen closer in utilization, building waste, prepares and can be used for The water-permeable brick that urban road is mated formation, not only solves the fixed-end forces problem in puzzlement China, but also can reduce building with the treatment of wastes with processes of wastes against one another Rubbish and the landfill of waste incineration bottom ash take up an area, and realize recycling.The purpose of the present invention is by the following technical programs Realize:
A kind of water-permeable brick, the raw material of the water-permeable brick include:Gather materials, cement, silicon ash, water-reducing agent and water, the weight of each component Measuring portion rate is:Gather materials:1350 ~ 1400, cement:399 ~ 445, silicon ash:25 ~ 29, water-reducing agent:3 ~ 4, water:105~135;It is described The inorganic bottom ash produced by house refuse after burning or gasification of gathering materials and building waste two parts group comprising stone, queen closer Into.
Further, the water-reducing agent is powdered polycarboxylic acids.
Further, it is described gather materials in it is of low quality in 30% shared by inorganic low slag.
Further, the ratio of weight and number of each component is:Gather materials 1398.68;Cement 444.54;Silicon ash 28.37;Subtract Aqua 3.84;Water 133.50;The water-reducing agent is powdered polycarboxylic acids.
The preparation method of the water-permeable brick, including following preparation process:
A, pre-process:It is 5mm ~ 9.5mm to be crushed to particle diameter after inorganic low slag and building waste in described gather materials is mixed Aggregate;
B, mixing infiltration:First moistening of gathering materials and will gather materials, the input mixer stirring of gathering materials of wetting are rinsed with part washing 25 ~ 35s, then remaining water, cement, silicon ash and water-reducing agent are put into 55 ~ 65s is stirred in mixer, discharging;
C, it is molded:By the material metage after stirring, add in grinding tool, be pressed on press machine with the pressure of 2.5 ~ 3MPa Type, form removal after standing 1 day;
D, conserve:Test specimen is put into the curing box of 20 ± 5 DEG C of temperature, humidity more than 90% and conserves after form removal, test specimen interval 10 ~20mm。
The beneficial effects of the invention are as follows:
1st, bottom ash and building waste after being heat-treated using house refuse are gathered materials as water-permeable brick(Aggregate)Basic composition, It not only instead of the natural aggregate of a part(Stone and sand), reduce the exploitation to natural resources or even waste;And energy It is enough to dissolve large solid waste at the same time, allow city to walk out the predicament of " garbage-surrounded city ", rubbish is obtained three changes processing, i.e. minimizing, nothing Evilization, recycling, this invention also reflects the Advanced Idea and developing direction of garbage disposal;
2nd, the bottom ash after house refuse is heat-treated by the present invention is prepared into water-permeable brick, not only solves domestic garbage resources profit The problem of with rate bottom, also to realize that building environmental protection provides a kind of novel water permeable material, realizing turns waste into wealth, and turns bane into boon;
3rd, water-permeable brick prepared by the present invention belongs to cement-based material, can cure the huge sum of money in house refuse heat treatment bottom ash Belong to Cd, Cr, Ni and Zn, its curing degree respectively reaches more than 75%, more than 65%, more than 65% and more than 80%, reduces ambient wind Danger;
4th, water-permeable brick prepared by the present invention, surveys porosity goal porosity, and compression strength reaches 19MPa, permeates Coefficient is 0.026cm/s, water-retaining property 0.7g/cm2
Embodiment
Embodiment 1
A kind of water-permeable brick, the raw material of water-permeable brick include:Gather materials, cement, silicon ash, water-reducing agent and water, the parts by weight of each component Counting ratio is:Gather materials:1350 ~ 1400, cement:399 ~ 445, silicon ash:25 ~ 29, water-reducing agent:3 ~ 4, water:105~135;It is described to gather materials The inorganic bottom ash produced by house refuse after burning or gasification and building waste two parts comprising stone, queen closer form. Water-reducing agent is powdered polycarboxylic acids.Gather materials of low quality in 30% shared by inorganic low slag.
In the present embodiment:The ratio of mud is 0.25~0.28, and aggregate-cement ratio 3.0, bottom ash volume accounts for the 0~30% of total amount of gathering materials, Building waste volume accounts for the 70~100% of total amount of gathering materials.Preparing 1 cubic metre of water-permeable brick material fiting ratio is:Cement 399.05~ 444.54kg/m3, 25.47~28.37 kg/m of silicon ash3, 3.40~3.86 kg/m of powder polycarboxylate water-reducer3, step A locates in advance 1351.19~1398.68 kg/m that gather materials after reason3(Including bottom ash and building waste), 106.98~133.50 kg/ of water m3
The preparation method of water-permeable brick, it is characterised in that:Including following preparation process:
A, pre-process:It is 5mm ~ 9.5mm to be crushed to particle diameter after inorganic low slag and building waste in described gather materials is mixed Aggregate;
B, it will first be gathered materials with a part of water and do the wash clean and be sufficiently humidified so as to, input mixer stirring 30s, makes coarse aggregate table Face produces comprehensive Van der Waals force, then puts into mixer remaining water, cement and additive and stirs 60s, makes slurry It is well dispersed on the particle surface to gather materials, interface is uniformly glued by force by the cement mortar of enough cohesive force with gathering materials to produce Attached power, so that each interparticle active force of composition mixture gives full play of, then discharging.
C, it is molded:By the about 2350g of the material metage after stirring, addition size is the self-control of 200mm × 100mm × 90mm It is then compressing with the pressure of 2.5 ~ 3MPa on press machine in grinding tool, form removal after standing 1 day.
D, conserve:Test specimen is put into 20 ± 5 DEG C of temperature after form removal, and humidity conserves in the standard curing box more than 90%, test specimen It is spaced 10 ~ 20mm.
Embodiment 2
Further optimize on the basis of embodiment 1.
The solids such as inorganic bottom ash that house refuse is produced after burning or gasification, the stone in building waste, queen closer Discarded object takes gathering materials for 5~9.5mm particle diameters spare after being sieved with square hole stone screen;Through overtesting, 1 cubic metre of water-permeable brick original is prepared Expect that match ratio is:Cement 444.54kg/m3, 28.37 kg/m of silicon ash3, 3.84 kg/m of water-reducing agent3, gather materials 1398.68 kg/m3, 133.50 kg/m of water3
Preparation process and parameter:After wrapping up in the infiltration of stone method using cement, by the about 2350g of the material metage after stirring, ruler is added It is then compressing with the pressure of 2.5MPa on press machine in the very little self-control grinding tool for 200mm × 100mm × 90mm, stand 1 Form removal after it.Test specimen is put into 20 ± 5 DEG C of temperature after form removal, and humidity conserves in the standard curing box more than 90%, and test specimen interval 10 ~ 20mm。
Obtained water-permeable brick, compression strength reach 19MPa, infiltration coefficient 0.026cm/s, water-retaining property 0.7g/cm2。 75.99%, 69.18%, 66.00% and 82.34% is respectively reached to the curing degree of heavy metal Cd, Cr, Ni and Zn.
Embodiment 3
Further optimize on the basis of embodiment 1.
The solids such as inorganic bottom ash that house refuse is produced after burning or gasification, the stone in building waste, queen closer Discarded object takes gathering materials for 5~9.5mm particle diameters spare after being sieved with square hole stone screen;Through overtesting, 1 cubic metre of water-permeable brick original is prepared Expect that match ratio is:Cement 399.05kg/m3, 25.47 kg/m of silicon ash3, 3.40 kg/m of water-reducing agent3, gather materials 1351.19 kg/m3, 106.98 kg/m of water3
Preparation process and parameter:After wrapping up in the infiltration of stone method using cement, by the about 2350g of the material metage after stirring, ruler is added It is then compressing with the pressure of 3.0MPa on press machine in the very little self-control grinding tool for 200mm × 100mm × 90mm, stand 1 Form removal after it.Test specimen is put into 20 ± 5 DEG C of temperature after form removal, and humidity conserves in the standard curing box more than 90%, and test specimen interval 10 ~ 20mm。
Obtained water-permeable brick, compression strength reach 16MPa, infiltration coefficient 0.024cm/s, water-retaining property 0.8g/cm2。 78.99%, 65.23%, 65.87% and 80.88% is respectively reached to the curing degree of heavy metal Cd, Cr, Ni and Zn.
Embodiment 4
Further optimize on the basis of embodiment 1.
The solids such as inorganic bottom ash that house refuse is produced after burning or gasification, the stone in building waste, queen closer Discarded object takes gathering materials for 5~9.5mm particle diameters spare after being sieved with square hole stone screen;Through overtesting, 1 cubic metre of water-permeable brick original is prepared Expect that match ratio is:Cement 428.24kg/m3, 27.56 kg/m of silicon ash3, 3.68 kg/m of water-reducing agent3, gather materials 1378.45 kg/m3, 114.87 kg/m of water3
Preparation process and parameter:After wrapping up in the infiltration of stone method using cement, by the about 2350g of the material metage after stirring, ruler is added It is then compressing with the pressure of 3.0MPa on press machine in the very little self-control grinding tool for 200mm × 100mm × 90mm, stand 1 Form removal after it.Test specimen is put into 20 ± 5 DEG C of temperature after form removal, and humidity conserves in the standard curing box more than 90%, and test specimen interval 10 ~ 20mm。
Obtained water-permeable brick, compression strength reach 20MPa, infiltration coefficient 0.02cm/s, water-retaining property 0.9g/cm2.It is right Heavy metal Cd, the curing degree of Cr, Ni and Zn respectively reach 80.34%, 67.39%, 67.50% and 80.10%.

Claims (4)

  1. A kind of 1. water-permeable brick, it is characterised in that:The raw material of the water-permeable brick includes:Gather materials, cement, silicon ash, water-reducing agent and water, respectively The ratio of weight and number of component is:Gather materials:1350 ~ 1400, cement:399 ~ 445, silicon ash:25 ~ 29, water-reducing agent:3 ~ 4, water:105~ 135;The inorganic bottom ash produced by house refuse after burning or gasification and the building waste comprising stone, queen closer of gathering materials Two parts form;Including following preparation process:
    A, pre-process:The bone that particle diameter is 5mm ~ 9.5mm is crushed to after inorganic bottom ash in described gather materials and building waste are mixed Material;
    B, mixing infiltration:First moistening of gathering materials and will gather materials is rinsed with part washing, the input mixer that gathers materials of wetting stirs 25 ~ 35s, then remaining water, cement, silicon ash and water-reducing agent are put into 55 ~ 65s is stirred in mixer, discharging;
    C, it is molded:The material metage after stirring is added in mould, it is compressing with the pressure of 2.5 ~ 3MPa on press machine, Form removal after standing 1 day;
    D, conserve:Test specimen is put into the curing box of 20 ± 5 DEG C of temperature, humidity more than 90% and conserves after form removal, and test specimen interval 10 ~ 20mm。
  2. 2. water-permeable brick according to claim 1, it is characterised in that:The water-reducing agent is powdered polycarboxylic acids.
  3. 3. water-permeable brick according to claim 1, it is characterised in that:It is described gather materials in shared by inorganic bottom ash it is of low quality in 30%。
  4. 4. water-permeable brick according to claim 1, it is characterised in that:The ratio of weight and number of each component is:Gather materials 1398.68; Cement 444.54;Silicon ash 28.37;Water-reducing agent 3.84;Water 133.50;The water-reducing agent is powdered polycarboxylic acids.
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CN106630950A (en) * 2016-12-11 2017-05-10 戴琪 Method for preparing water permeable bricks from household garbage and building wastes
CN108821698A (en) * 2018-08-09 2018-11-16 棕榈生态城镇发展股份有限公司 A kind of pervious concrete preformed bricks and preparation method thereof
CN109626879B (en) * 2018-08-29 2021-03-23 江西绿鄱环保科技有限公司 Preparation method of antibacterial water permeable brick suitable for sand filter
CN109384423B (en) * 2018-11-02 2020-09-25 中国地质大学(武汉) Water permeable brick capable of purifying water quality and preparation method thereof
CN109648685A (en) * 2018-12-10 2019-04-19 天津科技大学 The method for preparing water-permeable brick using the unburned aggregate of Dredged bed mud
CN109455990A (en) * 2018-12-20 2019-03-12 贵州安凯达实业股份有限公司 It is a kind of to recycle construction refuse regenerated water-permeable brick and preparation method thereof
CN112142416A (en) * 2020-10-26 2020-12-29 苏州混凝土水泥制品研究院有限公司 Permeable concrete with recycled aggregate from household garbage incinerator slag and preparation method thereof

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CN102418308A (en) * 2011-07-29 2012-04-18 河源市固体废物集中处置中心有限公司 Water permeable bricks produced by using building waste residue and manufacturing method thereof
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