CN110078451A - A kind of solid waste base pervious concrete with water purification function - Google Patents
A kind of solid waste base pervious concrete with water purification function Download PDFInfo
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- CN110078451A CN110078451A CN201910248753.7A CN201910248753A CN110078451A CN 110078451 A CN110078451 A CN 110078451A CN 201910248753 A CN201910248753 A CN 201910248753A CN 110078451 A CN110078451 A CN 110078451A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/08—Slag cements
- C04B28/082—Steelmaking slags; Converter slags
-
- 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
- C04B7/14—Cements containing slag
- C04B7/147—Metallurgical slag
-
- 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
-
- 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
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/44—Burning; Melting
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
- E01C11/226—Coherent pavings
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00267—Materials permeable to vapours or gases
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
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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)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Road Paving Structures (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of methods for being cooperateed with using more solid wastes and preparing water filtration, purification pervious concrete using theory, utilize molten steel slag, red mud, carbide slag, gangue, the solid wastes such as miberal powder are as raw material, raw material grinding is passed through respectively to above-mentioned raw material as needed, homogenizing, firing, the techniques such as clinker grinding, basis material can be made, the basis material belongs to the high portland cement of ferrous aluminate content, finally basis material is gathered materials with mixing, water-reducing agent, reinforcing agent, binder, carbide slag powder and water are prepared into pervious concrete, its raw material is based on mass fraction: basis material 25-35%；Mix the 55-70% that gathers materials；Binder 1-5%；Water-reducing agent 0.5-1%；Reinforcing agent 0.01-0.1%；Carbide slag powder 0.5-1%；Surplus is water.For the present invention using more solid wastes as the primary raw material of pervious concrete, product not only has the over-all properties of common pervious concrete, but also has water purification function, at low cost, can be widely used for the ranges such as lightweight road, pavement, square and garden architecture.
Description
Technical field
The invention belongs to small-scale sewage treatment, decentralized wastewater processing, field of rural sewage water treatment and solid wastes recycling benefits
With field, and in particular to a kind of preparation method for sewage disposal device.
Background technique
With the rapid development of our country's economy, industrial to advance by leaps and bounds, development and the people for advancing modernization construction are raw
Raising living, comfortable environment increasingly become the needs of people's life, but while consuming vast resources, also produce
A large amount of waste.Currently, China's Industrial Solid Waste discharge amount is more than 3,000,000,000 tons/year, effective disposition rate only has 60% or so.Red mud
Building materials field be mainly used in production cement, building block, in terms of, but because have be dehydrated difficulty, basicity height etc. is asked
Topic, utility ratio is very low at present；Steel slag is the main way of its current resource utilization as cement admixture and concrete admixture
Diameter, but because steel slag has the shortcomings that grindability is poor, hydration rate is slow, activity is low, utilization rate is only 22%.This is solved to ask
Topic, complies with market and the application of the solid waste base pervious concrete material that researchs and develops is one of effective approach.From current
From the point of view of the pervious concrete material used, it is avoided that city large area seeping phenomenon occurs in drop heavy rain greatly, and it can solve
Urban utilization rainwater carrys out recharge of groundwater resource, can solve the ecology of current city enclosed type hardened ground bring water and air
Recycle numerous imbalances problem.
It is primary raw material that solid waste base pervious concrete material with water purification function, which is by various solid wastes, and polyphosphazene polymer is added
It closes object additive to be made, may filter that purifying domestic sewage, obtain urban soil with the water in atmosphere, gas heat exchange ecosystem
Improve, meets environmental protection standard, reasonable price.Therefore, the solid waste base pervious concrete material with water purification function will have huge
Market, and the development of local economy can be pushed.
Correlation scholar has carried out part research work in terms of preparing pervious concrete material using solid waste both at home and abroad.But it sends out
Bright people's discovery: solid waste is calcined using steel slag waste heat, ferrous aluminate cement class material is prepared, then cooperates with more solid wastes to prepare again permeable
It there is no patent report in terms of concrete and pervious concrete with water filtration, purification function.108546055 A of patent CN,
CN 108609948 A, CN 1891654 A, CN 102145982 all disclose in A and 106699079 A of CN and filled using steel slag
Work as aggregate, the method for preparing pervious concrete with raw materials such as cement；107840625 A of patent CN discloses a kind of using red mud
Prepare the aggregate that sphere of powder part replaces pervious concrete, the method for preparing red mud permeable concrete with raw materials such as cement；Patent CN
107805078 A and 107010886 A of CN disclose a kind of aggregate that pervious concrete is replaced using iron tailings part, with
The method that the raw materials such as cement prepare iron tailings stone pervious concrete.Application of the above patent to solid waste in pervious concrete field takes
Certain progress was obtained, but is all using the other types cement such as solid waste and portland cement or ordinary portland cement as raw material system
Standby pervious concrete, and the performance without filtration, purification sewage.And other classes such as portland cement or ordinary portland cement
Type cement cost is high.
Patent 1 --- CN108424015A, which is disclosed, prepares iron aluminium system high activity material using converter slag waste heat collaboration solid waste
1) method of material is comprised the following steps that red mud, gangue and the drying of correction material, grinding；2) by the red mud of setting ratio,
Gangue and correction material mixing, and be uniformly mixed compound particles with molten state steel slag before steel slag is come out of the stove, mixture is obtained,
CaO mass in mixture is set to account for 35-49%, SiO2Account for 10-25%, Fe2O3Account for 15-30%, Al2O3Account for 10-25%, and basicity system
Number Cm is 0.9-1.1, Si/Al 2-3, Al/Fe 2.5-3；3) when the mixture high-temperature calcination obtained in step 2) being set
Between；4) by the calcined clinker grinding of step 3) to get iron aluminium system high active material.Different Industrial Solid Wastes are mixed with molten steel slag
It closes, chemically reacts different Industrial Solid Wastes at high temperature using the waste heat of molten steel slag, generate iron aluminium system high active material,
Low energy consumption by preparation process, excellent product performance, largely digests solid waste, environmentally protective.
Patent 2 --- CN108546055A discloses a kind of steel slag permeable concrete, by mass fraction in terms of, comprising: general
Logical portland cement 14-18%；Mix the 65-75% that gathers materials；Water-reducing agent 0.8-1.4%；Metakaolin 0.5-1%；Modified sizing material
2-3%；Calcium carbonate powder 0.2-0.4%；Surplus is water；Wherein, described to mix the combination gathered materials for steel slag and rubble；It is described to change
Property sizing material be modified polyacrylate and SBR emulsion combination.This method effectively improves concrete and is being used for a long time
Anti-clogging performance afterwards, improves the rate of rain penetration concrete, effectively reduces residual water of the rainwater in concrete, together
When improve collection rate to rainwater, increase the practicability of water storage type paving structure.
Summary of the invention
The purpose of the present invention is overcoming above-mentioned deficiency, propose that one kind, using theory, utilizes converter steel based on the collaboration of more solid wastes
Slag waste heat prepares iron aluminium system high active material with molten steel slag and polymorphic type solid waste, then with mix gather materials, water-reducing agent, reinforcing agent,
Binder, carbide slag powder and water are prepared into the pervious concrete with water purification function.The present invention is not necessarily to finished cement and calcining
Heating substantially increases the utilization rate of solid waste, and reduction is polluted again, reduces cost；There is water purification function again, effectively reduce environment
Pollution.
To realize the above-mentioned technical purpose, The technical solution adopted by the invention is as follows:
A kind of pervious concrete with water purification function prepared using the collaboration of more solid wastes using theory, by following parts by weight
Raw material composition: basis material 25-35%, the 55-70% that gathers materials, binder 1-5%, water-reducing agent 0.5-1%, reinforcing agent 0.01-
0.1%, carbide slag powder 0.5-1%, surplus are water；
Wherein, basis material is formulated by molten steel slag, red mud, carbide slag, gangue, miberal powder for raw material；
The application can steel slag all of, and cooperate with using a variety of solid wastes such as red mud, gangue, carbide slag, miberal powder,
This product belongs to the solid waste base pervious concrete material with water purification function, not only has ventilative, permeable, light-weight, high-mechanic
Power, high-cooling property and the excellent performances such as wear-resisting, and can filter, purify sewage.
It is in some embodiments, described that gather materials include: steel slag, gangue, zeolite and expanded perlite.Pass through a variety of differences
The interworking gathered materials improves the workability of concrete mix and the intensity of concrete, anti-freezing property；
The research of the invention finds that: a certain amount of zeolite is added in waste and old gather materials, can with " molten steel slag cooperates with solid waste system
Red mud forms synergy in standby basis material ", effectively improves concrete material to ammonia nitrogen, the heavy metal in sewage, waste water
The removal effect of ion, organic matter.
In some embodiments, the zeolite is modified zeolite, through high-temperature roasting, acid processing, alkali process or salt treatment
At, there are molecular sieve effect, ion exchange and suction-operated in water treatment, it can be to ammonia nitrogen, the huge sum of money in sewage, waste water
Belonging to ion, organic matter etc. has good removal effect；
In some embodiments, the expanded perlite is that perlite ore is instantaneously anxious by broken, screening, preheating and baking
Play heating expands, and has sieve effect and deep layer effect in water treatment, can filter and purify sewage；
In some embodiments, the binder is gelatin, melon rubber etc..
In some embodiments, described matrix material the preparation method is as follows:
A, by the drying of the solid wastes such as molten steel slag, red mud, carbide slag, gangue, miberal powder, sieving；
B, CaO mass in mixture is made to account for 40-55%, SiO2Account for 15-25%, Fe2O3Account for 15-30%, Al2O3Account for 10-
25%, and basicity factor Cm is 0.9-1.1, Si/Al 2-3, Al/Fe 2.5-3；
C, using molten steel slag, red mud, carbide slag, gangue, miberal powder as primary raw material, it is with output steel slag in each converter
Benchmark weighs red mud, carbide slag, gangue, the miberal powder of corrresponding quality；
D, raw material is mixed, is sufficiently mixed before steel slag is come out of the stove with steel slag, formed mixture after, calcining, be milled to get.
The present invention carries out high-temperature calcination, system to a variety of solid wastes using using a large amount of waste heats of the steel slag in generating process
The standby high portland cement of iron aluminium system mineral content, then with mix gather materials, water-reducing agent, reinforcing agent, binder, carbide slag powder and
Water is prepared into the pervious concrete with water purification function, realizes the comprehensive utilization of more solid wastes, solves solid waste in resource utilization rate
The problem of low and water pollution, more economic, environmental protection, preparation process are easier.
In some embodiments, the calcination condition is to calcine 60-80 minutes at 1250-1350 DEG C.If calcination temperature mistake
Low, the performance of calcined product is unstable；If calcination temperature is excessively high, the bulk density of calcined product is reduced, the solidification intensity in later period
Decline.
In some embodiments, the specific surface area of described matrix material is 360-420m2/kg.If specific surface area is too small,
The activity decline of basis material, pervious concrete intensity decline, if specific surface area is excessive, basis material is easy to reunite, it is difficult to effectively
Dispersion.
Special requirement is not made in the application to the type of water-reducing agent, as long as can satisfy subtracting for the application pervious concrete
Water purpose.In some embodiments, the water-reducing agent be how based water reducer, poly carboxylic acid series water reducer, sulfamic acid diminishing
Any one in agent and aliphatic water reducing agent.
In some embodiments, the reinforcing agent is polypropylene fibre, asbestos fibre, cellulose fibre, long Carbon fibe, bamboo
Any one in Carbon fibe or glass fibre.Increase fibrous raw material can effectively improve the toughness of pervious concrete, intensity and
Durability.
In some embodiments, the carbide slag powder be carbide slag carbonization, grinding, sieving and obtain；Using carbide slag carbon
Change, not only takes full advantage of waste material, but also enhance the activity of calcium carbonate, enhance the intensity of pervious concrete.
It to the source of red mud and is not particularly limited in the application, in some embodiments, the red mud is Bayer process, burns
Any one in the red mud that connection or combination method generate；
Gangue is the solid waste discharged during coal mining process and coal washing, be one kind in coalification course with coal seam companion
A kind of lower, harder than the coal black and gray rock of raw phosphorus content.Main component is Al2O3、SiO2, in addition also contain quantity not
Deng Fe2O3、CaO、MgO、Na2O、K2O、P2O5、SO3With micro rare element (gallium, vanadium, titanium, cobalt).In some embodiments,
The gangue is to wash spoil or excessive fire gangue.
Present invention also provides a kind of using the collaboration of more solid wastes using the preparation method of the pervious concrete of theory preparation, will
Basis material, mixing gather materials, water-reducing agent, reinforcing agent, carbide slag powder and water mix mixing, stir 30s；Binder is then added
Mixed liquor stirs evenly；Surplus water is added, stirs evenly, obtains premixed concrete；
Described matrix material volume is 25-35%, and the reinforcing agent volume is 0.01-0.1%, water-reducing agent volume 0.5-
1%, carbide slag powder 0.5-1%.
The present invention also provides application of any above-mentioned pervious concrete in road construction, ground, building.
The beneficial effects of the present invention are:
(1) products obtained therefrom of the present invention belongs to solid waste base pervious concrete material, and the raw material of the technology is applied widely, various
Solid waste is possible to large scale use, is the desirable route realizing solid wastes recycling and utilizing.
(2) advantage of the invention is that it is a large amount of using solid waste as primary raw material, it is not necessarily to finished cement, at low cost, energy consumption
Low, properties of product are excellent, have significant economic benefit and environmental benefit.Primary raw material steel slag used in the present invention, red mud,
Gangue, miberal powder and carbide slag are the waste resource of enormous amount, therefore low raw-material cost.
(3) present invention can be steel slag all of and cooperateing with a variety of solid using red mud, gangue, carbide slag, miberal powder etc.
Useless, this product belongs to the solid waste base pervious concrete material with water purification function, not only has ventilative, permeable, light-weight, Gao Cheng
Power, high-cooling property and the excellent performances such as wear-resisting are carried, and can water filtration, purification.
Specific embodiment
Following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless otherwise specified, originally
It is normally understood with the application person of an ordinary skill in the technical field to apply for that all technical and scientific terms used have
Identical meanings.
Term used herein above is merely to describe specific embodiment, and be not intended to restricted root according to the example of the application
Property embodiment.As used herein, unless the context clearly indicates otherwise, otherwise singular is also intended to include plural number
Form, additionally, it should be understood that, when the term " comprising " and/or " including " is used in this specification, indicate presence
Feature, step, operation, device, component and/or their combination.
As background technique is introduced, the high, properties of product for current solid waste base pervious concrete material preparation cost
The problem of defect.Therefore, the present invention proposes a kind of solid waste base pervious concrete material with water purification function, including following each
Constituent mass number:
Wherein, mixing is gathered materials for the combination of steel slag, gangue, zeolite and expanded perlite, during mixing is gathered materials, steel slag, coal
The mass ratio of spoil, zeolite and expanded perlite is preferably 1.5-3:1.5-2.5:1.5-2:1.
Below with reference to subordinate list and specific embodiment, the present invention is described further.
In following embodiment, water-reducing agent is all FDN- high efficiency water reducing agent, is purchased from Jinan Cheng Yuan Chemical Co., Ltd.；Reinforcing agent
It is all asbestos wool 6-20, is purchased from Jingxing County principal column Condar thermal insulation material factory；Binder is all industrial gelatine, believes safe wax purchased from Cangzhou
Jiao Ye Co., Ltd is all commercially available with solid waste.
Embodiment 1
The preparation method of the solid waste base pervious concrete with water purification function provided according to the present invention, preparation step is such as
Under:
(1) solid wastes such as red mud, carbide slag, gangue, miberal powder are dried to moisture content less than 1%, grinding sieves with 100 mesh sieve；
(2) 150 parts of red mud, 80 parts of gangue, 60 parts of miberal powder, 10 parts of carbide slag are weighed；
(3) raw material is mixed, is granulated, is sufficiently mixed before steel slag is come out of the stove with steel slag, mixture is placed in rotary kiln and is forged
It burns 60-80 minutes, temperature maintains 1250 DEG C；
(4) grinding to specific surface area is 360m to calcination of chamotte again2/ kg, obtains basis material.
(6) 30 parts of steel slag, 15 parts of gangue and 10 parts of expanded perlite are mixed thoroughly, obtains mixing and gathers materials；
(7) binder 1:1 is mixed spare；
(8) by 25 parts of the basis material of predetermined ratio, mixing gather materials 70 parts, 0.5 part of water-reducing agent, 0.02 part of reinforcing agent, electricity
0.5 part of rock ballast powder and water mix mixing, stir 30s.The binder mixed in step (7) is then added, stirs 60s；It is added
Surplus water obtains premixed concrete after stirring 180s；
(9) it finally carries out concrete pavement according to engineering demand or machines through brickmaking to obtain concrete product, according to
GB28635-2012 test method tests its performance indicator.
(10) after the ready-mixed concrete of above-mentioned steps (8) being poured rectangular open test specimen (volume 50L) maintenance 28 days,
Sanitary wastewater is filled thereto and impregnates test specimen, and natural light irradiation simulates enclosed waters environment, and the life collected through test specimen is given up
Water measures change of water quality, obtains purification of water quality result.Detection method is detected, concrete outcome according to (GB3838-2002)
It is as follows:
Wherein, in the water inlet of sanitary wastewater, COD 423mg/L, NH4+- N is 48mg/L, total phosphorus 9mg/L, and total nitrogen is
Under conditions of 57mg/L, the TP removal rate in water outlet reaches 60%；The removal rate of TN is up to 52%；CODMnRemoval rate reaches
46%.
Embodiment 2
The preparation method of the solid waste base pervious concrete with water purification function provided according to the present invention, preparation step is such as
Under:
(1) solid wastes such as red mud, carbide slag, gangue, miberal powder are dried to moisture content less than 1%, grinding sieves with 100 mesh sieve；
(2) 150 parts of red mud, 80 parts of gangue, 60 parts of miberal powder, 10 parts of carbide slag are weighed；
(3) raw material is mixed, is granulated, is sufficiently mixed before steel slag is come out of the stove with steel slag, mixture is placed in rotary kiln and is forged
It burns 60-80 minutes, temperature maintains 1250 DEG C；
(4) grinding to specific surface area is 360m to calcination of chamotte again2/ kg, obtains basis material.
(6) 30 parts of steel slag, 15 parts of gangue, 15 parts of zeolite and 10 parts of expanded perlite are mixed thoroughly, obtains mixing and gathers materials；
(7) binder 1:1 is mixed spare；
(8) by 30 parts of the basis material of predetermined ratio, mixing gather materials 65 parts, 0.75 part of water-reducing agent, 0.05 part of reinforcing agent, electricity
0.8 part of rock ballast powder and water mix mixing, stir 30s.The binder mixed in step (7) is then added, stirs 60s；It is added
Surplus water obtains premixed concrete after stirring 180s；
(9) it finally carries out concrete pavement according to engineering demand or machines through brickmaking to obtain concrete product, according to
GB28635-2012 test method tests its performance indicator.
(10) after the ready-mixed concrete of above-mentioned steps (8) being poured rectangular open test specimen (volume 50L) maintenance 28 days,
Sanitary wastewater is filled thereto and impregnates test specimen, and natural light irradiation simulates enclosed waters environment, and the life collected through test specimen is given up
Water measures change of water quality, obtains purification of water quality result.Detection method is detected, concrete outcome according to (GB3838-2002)
It is as follows:
Wherein, in the water inlet of sanitary wastewater, COD 423mg/L, NH4+- N is 48mg/L, total phosphorus 9mg/L, and total nitrogen is
Under conditions of 57mg/L, the TP removal rate in water outlet reaches 90%；The removal rate of TN is up to 72%；CODMnRemoval rate reaches
78%.
Embodiment 3
The preparation method of the solid waste base pervious concrete with water purification function provided according to the present invention, preparation step is such as
Under:
(1) solid wastes such as carbide slag, gangue, miberal powder are dried to moisture content less than 1%, grinding sieves with 100 mesh sieve；
(2) 80 parts of gangue, 60 parts of miberal powder, 10 parts of carbide slag are weighed；
(3) raw material is mixed, is granulated, is sufficiently mixed before steel slag is come out of the stove with steel slag, mixture is placed in rotary kiln and is forged
It burns 60-80 minutes, temperature maintains 1250 DEG C；
(4) grinding to specific surface area is 360m to calcination of chamotte again2/ kg, obtains basis material.
(6) 30 parts of steel slag, 15 parts of gangue, 15 parts of zeolite and 10 parts of expanded perlite are mixed thoroughly, obtains mixing and gathers materials；
(7) binder 1:1 is mixed spare；
(8) 35 parts of the basis material of predetermined ratio, mixing are gathered materials 60 parts, 1 part of water-reducing agent, 0.1 part of reinforcing agent, carbide slag
1 part of powder and water mix mixing, stir 30s.The binder mixed in step (7) is then added, stirs 60s；Remaining water is added
Amount obtains premixed concrete after stirring 180s；
(9) it finally carries out concrete pavement according to engineering demand or machines through brickmaking to obtain concrete product, according to
GB28635-2012 test method tests its performance indicator.
(10) after the ready-mixed concrete of above-mentioned steps (8) being poured rectangular open test specimen (volume 50L) maintenance 28 days,
Sanitary wastewater is filled thereto and impregnates test specimen, and natural light irradiation simulates enclosed waters environment, and the life collected through test specimen is given up
Water measures change of water quality, obtains purification of water quality result.Detection method is detected, concrete outcome according to (GB3838-2002)
It is as follows:
Wherein, in the water inlet of sanitary wastewater, COD 423mg/L, NH4+- N is 48mg/L, total phosphorus 9mg/L, and total nitrogen is
Under conditions of 57mg/L, the TP removal rate in water outlet reaches 85%；The removal rate of TN is up to 67%；CODMnRemoval rate reaches
74%.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to previous embodiment
Documented technical solution is modified, or is equivalently replaced to part.It is all the spirit and principles in the present invention it
Interior, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.Although above-mentioned to this
The specific embodiment of invention is described, but it is not intended to limit the protection scope of the present invention, and one of ordinary skill in the art answer
This understands that based on the technical solutions of the present invention, those skilled in the art do not need to make the creative labor and can make
Various modifications or changes still within protection scope of the present invention.
Claims (10)
1. a kind of utilize the pervious concrete with water purification function of theory preparation using the collaboration of more solid wastes, which is characterized in that by
The raw material of following parts by weight forms: basis material 25-35%, the 55-70% that gathers materials, binder 1-5%, water-reducing agent 0.5-1%, increasing
Strong agent 0.01-0.1%, carbide slag powder 0.5-1%, surplus are water；
Wherein, basis material is formulated by molten steel slag, red mud, carbide slag, gangue, miberal powder for raw material；
It is described that gather materials include: steel slag, gangue, zeolite and expanded perlite.
2. pervious concrete as described in claim 1, which is characterized in that described matrix material the preparation method is as follows:
A, by molten steel slag, red mud, carbide slag, gangue, the drying of miberal powder solid waste, sieving；
B, CaO mass in mixture is made to account for 40-55%, SiO2Account for 15-25%, Fe2O3Account for 15-30%, Al2O310-25% is accounted for, and
Basicity factor Cm is 0.9-1.1, Si/Al 2-3, Al/Fe 2.5-3；
C, using molten steel slag, red mud, carbide slag, gangue, miberal powder as primary raw material, using output steel slag in each converter as base
Standard weighs red mud, carbide slag, gangue, the miberal powder of corrresponding quality；
D, raw material is mixed, is sufficiently mixed before steel slag is come out of the stove with steel slag, formed mixture after, calcining, be milled to get.
3. pervious concrete as described in claim 1, which is characterized in that the zeolite is modified zeolite, through high-temperature roasting, acid
Any one in processing, alkali process or salt treatment.
4. pervious concrete as described in claim 1, which is characterized in that the expanded perlite is perlite ore by broken
Instantaneously sharply heating expands for broken, screening, preheating and baking.
5. pervious concrete as described in claim 1, which is characterized in that the specific surface area of described matrix material is 360-
420m2/kg。
6. pervious concrete as described in claim 1, which is characterized in that the binder is gelatin, xanthan gum, guar gum
With any two kinds in locust bean gum.
7. pervious concrete as described in claim 1, which is characterized in that the water-reducing agent be how based water reducer, polycarboxylic-acid
Any one in water-reducing agent, Sulfamic acid water reducing agent and aliphatic water reducing agent；
Or the reinforcing agent is polypropylene fibre, asbestos fibre, cellulose fibre, long Carbon fibe, bamboo charcoal fiber or glass fibre
In any one.
8. pervious concrete as described in claim 1, which is characterized in that the carbide slag powder be carbide slag carbonization, grinding,
It is sieved and obtains；
Or the red mud is any one in the red mud of Bayer process, sintering process or combination method generation；
Or the gangue is to wash spoil or excessive fire gangue.
9. a kind of any one of claim 1-8 is described to utilize the permeable with water purification function of theory preparation using the collaboration of more solid wastes
The preparation method of concrete, which is characterized in that basis material, mixing are gathered materials, water-reducing agent, reinforcing agent, carbide slag powder and water
Mixing is mixed, 30s is stirred；The mixed liquor of binder is then added, stirs evenly；Surplus water is added, stirs evenly, it is solidifying to obtain premixing
Soil；
Described matrix material volume is 25-35%, and the reinforcing agent volume is 0.01-0.1%, water-reducing agent volume 0.5-1%, electricity
Rock ballast powder 0.5-1%.
10. application of any one of the claim 1-8 pervious concrete in road construction, ground, building.
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| CN110627447A (en) * | 2019-10-22 | 2019-12-31 | 深圳市信泰工业自动化设备有限公司 | Pervious concrete sewage filtering device and method thereof |
| CN111217562A (en) * | 2020-02-28 | 2020-06-02 | 山东大学 | Red mud-based sewage treatment agent and preparation method thereof, red mud-based ceramsite concrete and preparation method and application thereof |
| CN111807488A (en) * | 2020-08-05 | 2020-10-23 | 潍坊工商职业学院 | Technical method for preparing ecological environment-friendly composite water treatment agent by large solid waste complexing agent |
| CN114349406A (en) * | 2022-01-18 | 2022-04-15 | 湖北工业大学 | Preparation method of alkali-activated copper slag-based pervious concrete and alkali-activated copper slag-based pervious concrete |
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| CN108083706A (en) * | 2018-01-25 | 2018-05-29 | 南通鸿基市政工程有限公司 | A kind of colorful water-permeable concrete and preparation method thereof |
| CN108424015A (en) * | 2018-03-13 | 2018-08-21 | 山东大学 | The method for preparing iron aluminium system high active material using converter slag waste heat collaboration solid waste |
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| CN110627447A (en) * | 2019-10-22 | 2019-12-31 | 深圳市信泰工业自动化设备有限公司 | Pervious concrete sewage filtering device and method thereof |
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