CN106892441A - Aluminium ash Application way - Google Patents

Aluminium ash Application way Download PDF

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Publication number
CN106892441A
CN106892441A CN201710104638.3A CN201710104638A CN106892441A CN 106892441 A CN106892441 A CN 106892441A CN 201710104638 A CN201710104638 A CN 201710104638A CN 106892441 A CN106892441 A CN 106892441A
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CN
China
Prior art keywords
aluminium
ash
water
parts
lime
Prior art date
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Pending
Application number
CN201710104638.3A
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Chinese (zh)
Inventor
倪红军
顾涛
胡永胜
吕帅帅
汪兴兴
朱昱
黄明宇
胡妙关
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Nantong University
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Nantong University
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Priority to CN201710104638.3A priority Critical patent/CN106892441A/en
Publication of CN106892441A publication Critical patent/CN106892441A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00Ammonia; Compounds thereof
    • C01C1/02Preparation, purification or separation of ammonia
    • C01C1/026Preparation of ammonia from inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/002Use of waste materials, e.g. slags
    • 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
    • C04B7/14Cements containing slag
    • C04B7/147Metallurgical slag
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00Obtaining aluminium
    • C22B21/0038Obtaining aluminium by other processes
    • C22B21/0069Obtaining aluminium by other processes from scrap, skimmings or any secondary source aluminium, e.g. recovery of alloy constituents
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/001Dry processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/04Working-up slag
    • 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
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling
    • 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

This application discloses a kind of aluminium ash Application way, comprise the following steps:S101:Aluminium lime-ash is poured into reactor, stirs to form slurry to adding water in the reactor and stirring, be hydrolyzed reaction deamination, and the effusion ammonia of hydrolysis deamination generation enters absorption tower, effusion ammonia is collected using shower water or acid in absorption tower;S102:Remaining slurry after deamination is loaded magazine and is put into cabinet-type electric furnace to be dried and processes to obtain block aluminium slag, block aluminium slag feeding vibration grinding mill is carried out into ball-milling treatment obtains Quadratic aluminum dust.Method provided herein, greatly improves the added value of aluminium ash, it is to avoid aluminium ash because piling up landfill caused by environmental pollution;Utilization ratio is high, technological process is simple, small investment, low cost and environmental protection, is easy to large-scale popularization and application.

Description

Aluminium ash Application way
Technical field
The disclosure relates generally to aluminium ash recoverying and utilizing method, and in particular to aluminium ash Application way.
Background technology
Aluminium ash is a kind of industrial residue, and the mode of most of factory processes aluminium ashes is exactly to pile up landfill, serious dirt at present Dye environment.Small part factory only reclaims to pure aluminum in aluminium ash, and remaining a large amount of aluminium ash is again without effectively being solved Certainly.Although there is the research of some applications on aluminium ash, water purification agent, paveio(u)r, ceramics etc. such as are prepared with aluminium ash, it is most of Theoretical and laboratory stage is all rested on, is not applied on a large scale.
Aluminium ash composition is very complicated, based on pure aluminum, aluminum oxide and aluminium nitride.For aluminum electrolysis industry, aluminium ash In generally all contain metallic aluminium, Al2O3, (Fe, Si, Mg) oxide and the chloride etc. of (K, Na, Ca, Mg).For aluminum casting For industry, aluminium ash composition mainly has metallic aluminium, Al2O3, the oxide of (Na, Mg, Ca), aluminium nitride and some it is micro into Point.Aluminum electrolysis industry is roughly the same with the aluminium ash main component that aluminum casting industry is produced, and Main Differences are that the shape in aluminium ash Into process.Due to the use of refining agent, coverture and slag former and in aluminum casting industry production process during electrolytic aluminium In aluminium ash composition and content can all be influenceed due to factors such as casting smelting furnace atmospheres.
At present, aluminium ash piles up the present situation seriously development of restriction China secondary aluminium industry of landfill, therefore urgent need is sought A kind of method of efficient utilization aluminium ash, to utilize aluminium ash to the full extent, and preserves the ecological environment, and realizes the regeneration of solid slag Utilize.
The content of the invention
In view of drawbacks described above of the prior art or deficiency, expect to provide a kind of aluminium ash Application way.
The invention provides a kind of aluminium ash Application way, comprise the following steps:
S101:Aluminium lime-ash is poured into reactor, stirs to form slurry to adding water in the reactor and stirring, be hydrolyzed Reaction deamination, the effusion ammonia of hydrolysis deamination generation enters absorption tower, using shower water or acid to described in absorption tower Effusion ammonia is collected;
S102:Loading magazine and be put into cabinet-type electric furnace to be dried remaining slurry after deamination processes block Aluminium slag, carries out block aluminium slag feeding vibration grinding mill ball-milling treatment and obtains Quadratic aluminum dust.
Preferably, also included before step S101:Under dust-proof environment, carried out during aluminium ash raw material feeding is fried into apparatus for ash Ash treatment is fried, the metallic aluminium in the aluminium ash raw material, and remaining aluminium lime-ash is extracted.
Preferably, also include after step s 102:To the Quadratic aluminum dust is poured into agitating device, to two secondary aluminium Portland clinker, lime stone and gypsum are added in ash, stirring is stirred to form mixing material, and grinding shape is carried out to the mixing material Into portland slag cement.
Preferably, also include after step s 102:Pour into the Quadratic aluminum dust in liquid container to mixing, bar is stirred in stirring To adding clay, cullet and borax to form mixture in the Quadratic aluminum dust under part, to form mixed to being added water in the mixture Close slurry, the mixed slurry is dried successively, is suppressed, high temperature sintering formed glassware.
Preferably, also include after step s 102:
To a part of Quadratic aluminum dust is poured into agitating device, to being added in the part Quadratic aluminum dust, portland cement is ripe Material, lime stone and gypsum, stirring are stirred to form mixing material, grinding is carried out to the mixing material and forms portland slag cement;
Pour into Quadratic aluminum dust described in another part in liquid container to mixing, to the part Quadratic aluminum dust under the conditions of stirring is stirred Middle addition clay, cullet and borax form mixture, to adding water to form mixed slurry in the mixture, to the mixing slurry Material is dried, suppresses successively, high temperature sintering forms glassware.
Preferably, described " aluminium lime-ash being poured into reactor, slurry is formed to adding water in the reactor and stirring to stir " Including:
Reactor is poured into when the aluminium lime-ash is air cooled into 70-90 DEG C, is 1 according to the mass ratio of the aluminium lime-ash and water: 1.5~1:4 stir to form slurry to addition water in the reactor and stirring.
Preferably, aluminium described in the mixing material is grey, the Portland clinker, the lime stone and the gypsum Mass parts ratio is (20-30 parts):(50-70 parts):(5-10 parts):(4-8 parts).
Preferably, aluminium described in the mixture is grey, the mass parts ratio of the clay, the cullet and the borax is (25-35 parts):(30-60 parts):(15-25 parts):(2-10 parts).
Preferably, " forming mixed slurry to water is added in the mixture " includes:
Mass ratio according to mixture and water is 1:1-1:3 form mixed slurry to addition water in mixture.
Preferably, the temperature of the high temperature sintering is 1100-1500 DEG C.
Compared with prior art, aluminium ash Application way provided herein, it is former from aluminium ash with reference to preferred embodiment Metallic aluminium is extracted in material, ammonia (obtaining ammoniacal liquor or ammonium salt) is collected and is made portland slag cement or glassware, greatly The added value for improving aluminium ash, it is to avoid aluminium ash because piling up landfill caused by environmental pollution;Utilization ratio is high, the life for entirely utilizing Produce in flow, the effective rate of utilization of aluminium ash is up to 90 parts -92 parts;Technological process is simple, small investment, low cost and environmental protection, is easy to big The popularization and application of scale.
Brief description of the drawings
By the detailed description made to non-limiting example made with reference to the following drawings of reading, the application other Feature, objects and advantages will become more apparent upon:
Fig. 1 is method of the present invention block diagram;
Fig. 2 is the first process chart of the invention;
Fig. 3 is second process chart of the invention;
Fig. 4 is the third process chart of the invention.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that, in order to It is easy to description, the part related to invention is illustrate only in accompanying drawing.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is refer to, the invention provides a kind of aluminium ash Application way, including:
Step S101:Aluminium lime-ash is poured into reactor, stirs to form slurry to adding water in the reactor and stirring, carried out Hydrolysis deamination, the effusion ammonia of hydrolysis deamination generation enters absorption tower, right using shower water or acid in absorption tower Effusion ammonia is collected;
Step S102:Remaining slurry after deamination is loaded magazine and is put into be dried in cabinet-type electric furnace and is processed Block aluminium slag, carries out block aluminium slag feeding vibration grinding mill ball-milling treatment and obtains Quadratic aluminum dust.In wherein step S102, storing Container can be used to place slurry and be adapted to be placed in cabinet-type electric furnace to use, such as beaker;To the drying temperature of slurry in magazine It is set as 100-150 DEG C, the temperature range can either ensure slurry drying fully, while also saving the dry time;Through vibration The granularity of the Quadratic aluminum dust obtained by grinder ball-milling treatment is 50-80 mesh.
Step S101 mixes aluminium lime-ash with water, and be hydrolyzed deamination reaction.Aluminium lime-ash in step S101 can be bag The aluminium ash of aluminium ash raw material, or removal metallic aluminium containing compositions such as metallic aluminium, aluminum oxide, aluminium nitride.
Further, the utilization rate grey to improve aluminium, also included before step S101:Under dust-proof environment, by aluminium ash Raw material (comprising compositions such as pure aluminum, aluminum oxide, aluminium nitride) feeding carries out frying grey treatment in frying apparatus for ash, extracts aluminium ash raw material In metallic aluminium, and remaining aluminium lime-ash.Aluminium ash raw material is carried out frying grey treatment, the metallic aluminium fried in grey raw material is isolated, i.e., in fact The recovery of existing metallic aluminium, to remaining aluminium lime-ash according to step S101 treatment.
Wherein, the stir-fry apparatus for ash of the extraction metallic aluminium for being used can be it is following any:Possesses the stir-fry of dedusting function Grey machine, rotary kiln, fascinate rotary furnace, fries grey machine and is applied to midget plant, and rotary kiln, the rotary furnace that fascinates are compared to frying grey machine, machine Tool degree is high, safety and environmental protection;The temperature for frying ash treatment is 660 DEG C -700 DEG C, facilitates aluminium lime-ash to be sufficiently separated with metallic aluminium.
Quadratic aluminum dust in step S102 obtained by treatment can also be reused, further to improve the utilization of aluminium ash Rate.
For example, also including after step s 102:To pouring into Quadratic aluminum dust in agitating device, to adding silicon in Quadratic aluminum dust Acid salt cement clinker, lime stone and gypsum, stirring are stirred to form mixing material, grinding is carried out to mixing material and forms slag silicate salt solution Mud.
Wherein, agitating device is cement mixer, power 20-50kW, rotating speed 23-35r/min, it is generally preferable to mixing time 5-10 minutes, certain mixing time can also be fully defined depending on preparing the amount of raw material of portland slag cement by stirring.
As shown in Fig. 2 carrying out frying grey treatment to aluminium ash raw material, metallic aluminium, and remaining aluminium ash are isolated from aluminium ash raw material Slag;Aluminium lime-ash is poured into reactor and is mixed with water, be hydrolyzed deamination reaction, collect ammonia, and obtain Quadratic aluminum dust;To Portland clinker, lime stone and gypsum are added in Quadratic aluminum dust, stirring is stirred to form mixing material, and grinding is carried out to mixing material Portland slag cement is formed, the Multi-class propagation to aluminium ash is realized.
And for example, also include after step s 102:Pour into Quadratic aluminum dust in liquid container to mixing, under the conditions of stirring is stirred to Add clay, cullet and borax to form mixture in Quadratic aluminum dust, mixed slurry is formed to being added water in mixture, to mixing slurry Material is dried, suppresses successively, high temperature sintering forms glassware.Liquid container of mixing mentioned by the application refers to can be used to The container of stirring, such as beaker, measuring bottle etc..
In the application, prepare the raw material that glassware is used, with Quadratic aluminum dust, clay as primary raw material, with cullet, Borax is auxiliary material;The drying that carries out successively, compacting, high temperature sintering are respectively, by Quadratic aluminum dust, clay, cullet, borax And the mixed slurry of water composition is contained and is put into drying box by mixing liquid container and dehydrated, drying temperature is set as 100-150℃;Material obtained by drying is put into mould (such as the inner chamber of mould be ampuliform, plate-like etc.) and with being pressed into Type machine is compressing;The mould containing material carries out high temperature sintering and forms glassware after repressed forming machine is suppressed.
As shown in figure 3, carrying out frying grey treatment to aluminium ash raw material, metallic aluminium, and remaining aluminium ash are isolated from aluminium ash raw material Slag;Aluminium lime-ash is poured into reactor and is mixed with water, be hydrolyzed deamination reaction, collect ammonia, and obtain Quadratic aluminum dust;To Add clay, cullet and borax to form mixture in Quadratic aluminum dust, mixed slurry is formed to being added water in mixture, to mixing slurry Material is dried, suppresses successively, high temperature sintering forms glassware, realizes the Multi-class propagation to aluminium ash.
For another example, also include after step s 102:It is secondary to the part to a part of Quadratic aluminum dust is poured into agitating device Portland clinker, lime stone and gypsum are added in aluminium ash, stirring is stirred to form mixing material, and carrying out grinding to mixing material forms Portland slag cement;
Pour into another part Quadratic aluminum dust in liquid container to mixing, under the conditions of stirring is stirred to the part Quadratic aluminum dust plus Enter clay, cullet and borax and form mixture, mixed slurry is formed to being added water in mixture, mixed slurry is done successively Dry, compacting, high temperature sintering form glassware.
As shown in figure 4, carrying out frying grey treatment to aluminium ash raw material, metallic aluminium, and remaining aluminium ash are isolated from aluminium ash raw material Slag;Aluminium lime-ash is poured into reactor and is mixed with water, be hydrolyzed deamination reaction, collect ammonia, and obtain Quadratic aluminum dust;To Portland clinker, lime stone and gypsum are added in the Quadratic aluminum dust of part, stirring is stirred to form mixing material, mixing material is carried out Grinding forms portland slag cement;Stir and to form mixing to clay, cullet and borax is added in another part Quadratic aluminum dust Thing, mixed slurry is formed to being added water in mixture, mixed slurry is dried successively, is suppressed, high temperature sintering formed glass system Product, realize the Multi-class propagation to aluminium ash.
Further, " aluminium lime-ash is poured into reactor, slurry is formed to adding water in the reactor and stirring to stir " to wrap Include:
Reactor is poured into when aluminium lime-ash is air cooled into 70-90 DEG C, is 1 according to the mass ratio of aluminium lime-ash and water:1.5~1:4 Stir to form slurry to adding water in reactor and stirring, it is generally preferable to which aluminium lime-ash is 1 with the mass ratio of water:2~1:3.For The setting of aluminium lime-ash air cooling temperature and aluminium lime-ash and water quality than setting so that aluminium lime-ash and water are hydrolyzed energy after reaction Enough abundant deaminations.Wherein, the temperature of aluminium lime-ash is judged by being installed on the temperature sensor on the container of containing aluminum lime-ash.
Further, the mass parts ratio of aluminium ash, Portland clinker, lime stone and gypsum is (20-30 in mixing material Part):(50-70 parts):(5-10 parts):(4-8 parts).
Further, the mass parts ratio of aluminium ash, clay, cullet and borax is (25-35 parts) in mixture:(30-60 Part):(15-25 parts):(2-10 parts).
Further, " forming mixed slurry to water is added in mixture " includes:It is with the mass ratio of water according to mixture 1:1-1:3 form mixed slurry to addition water in mixture.
Further, high temperature sintering temperature is 1100-1500 DEG C.Generally preferably 1300 DEG C, at this temperature obtained by treatment The excellent performance of glass ceramics handicraft.
Embodiment one
For example, a kind of aluminium ash Application way, including:
Under dust-proof environment, by aluminium ash raw material (containing 15.7% aluminum oxide, 16.4% pure aluminum, 20.5% nitridation Aluminium) feeding fry grey treatment in frying apparatus for ash, and it is 680 DEG C to fry grey temperature, extracts the metallic aluminium in aluminium ash raw material, obtains aluminium Lime-ash;
Aluminium lime-ash is air cooled to 80 DEG C or so and pours into reactor, quality is pressed with water to water, aluminium lime-ash is added in the reactor Than 1:2 are hydrolyzed reaction deamination, and the ammonia for preparing is collected with absorption tower;
Remaining slurry after deamination is loaded container and is put into cabinet-type electric furnace to be dried and processes to obtain block aluminium slag, by block Shape aluminium slag feeding vibration grinding mill carries out ball-milling treatment and obtains Quadratic aluminum dust;
Quadratic aluminum dust is handled as follows:Add portland cement ripe under the conditions of stirring is stirred to Quadratic aluminum dust Material, lime stone and gypsum, the mass parts ratio of aluminium ash, Portland clinker, lime stone and gypsum is (25.8-27.8 parts): (60-62 parts):(4.5-6.2 parts):(6.2-7 parts), the mixing to Quadratic aluminum dust, Portland clinker, lime stone and gypsum Material carries out grinding and is prepared into portland slag cement;Or, clay, useless glass are added under the conditions of stirring is stirred to Quadratic aluminum dust Glass and borax form mixture, and the mass parts ratio of aluminium ash, clay, cullet and borax is (28.5-30 parts):(45.9-50.1 Part):(19.7-21.6 parts):(6.4-7.3 parts), is 1 according to the mass ratio of mixture and water:2 be made to being added water in mixture it is mixed Slurry is closed, mixed slurry is dried, is suppressed, high temperature sintering processes to obtain glass ceramics handicraft, wherein high temperature sintering temperature It is 1300 DEG C or so.
The embodiment by using method, aluminium ash utilization rate it is high, recovery utilization rate is up to 90.5 parts.
Embodiment two
For example, a kind of aluminium ash Application way, including:
Under dust-proof environment, by aluminium ash raw material (containing 7.5% aluminum oxide, 23.5% pure aluminum, 30.1% nitridation Aluminium) feeding fry grey treatment in frying apparatus for ash, and it is 690 DEG C to fry grey temperature, extracts the metallic aluminium in aluminium ash raw material, obtains aluminium Lime-ash;
Aluminium lime-ash is air cooled to 80 DEG C or so and pours into reactor, quality is pressed with water to water, aluminium lime-ash is added in the reactor Than 1:3 are hydrolyzed reaction deamination, and the ammonia for preparing is collected with absorption tower;
Remaining slurry after deamination is loaded container and is put into cabinet-type electric furnace to be dried and processes to obtain block aluminium slag, by block Shape aluminium slag feeding vibration grinding mill carries out ball-milling treatment and obtains Quadratic aluminum dust;
Quadratic aluminum dust is handled as follows:Add portland cement ripe under the conditions of stirring is stirred to Quadratic aluminum dust Material, lime stone and gypsum, the mass parts ratio of aluminium ash, Portland clinker, lime stone and gypsum is (21.4-23.5 parts): (68.1-70 parts):(6.7-7.2 parts):(5.3-5.6 parts), to Quadratic aluminum dust, Portland clinker, lime stone and gypsum Mixing material carries out grinding and is prepared into portland slag cement;Or, under the conditions of stirring is stirred to Quadratic aluminum dust add clay, Cullet and borax form mixture, and the mass parts ratio of aluminium ash, clay, cullet and borax is (33-35 parts):(30.5-35 Part):(23.5-25 parts):(6.5-9.3 parts), is 1 according to the mass ratio of mixture and water:2.5 be made to being added water in mixture it is mixed Slurry is closed, mixed slurry is dried, is suppressed, high temperature sintering processes to obtain glass ceramics handicraft, wherein high temperature sintering temperature It is 1300 DEG C or so.
The embodiment by using method, aluminium ash utilization rate it is high, recovery utilization rate is up to 91.6 parts.
Embodiment three
For example, a kind of aluminium ash Application way, including:
Under dust-proof environment, by aluminium ash raw material (containing 18.5% aluminum oxide, 16.5% pure aluminum, aluminium nitride 20.4%) feeding Carry out frying grey treatment in stir-fry apparatus for ash, it is 700 DEG C to fry grey temperature, extract the metallic aluminium in aluminium ash raw material, obtain aluminium lime-ash;
Aluminium lime-ash is air cooled to 80 DEG C or so and pours into reactor, quality is pressed with water to water, aluminium lime-ash is added in the reactor Than 1:2.5 are hydrolyzed reaction deamination, and the ammonia for preparing is collected with absorption tower;
Remaining slurry after deamination is loaded container and is put into cabinet-type electric furnace to be dried and processes to obtain block aluminium slag, by block Shape aluminium slag feeding vibration grinding mill carries out ball-milling treatment and obtains Quadratic aluminum dust;
Quadratic aluminum dust is handled as follows:Add portland cement ripe under the conditions of stirring is stirred to Quadratic aluminum dust Material, lime stone and gypsum, the mass parts ratio of aluminium ash, Portland clinker, lime stone and gypsum is (22-25.8 parts):(64- 66.5 parts):(6.5-8 parts):(4.5-6.3 parts), to the mixing material of Quadratic aluminum dust, Portland clinker, lime stone and gypsum Carry out grinding and be prepared into portland slag cement;Or, clay, cullet are added under the conditions of stirring is stirred to Quadratic aluminum dust Mixture is formed with borax, the mass parts ratio of aluminium ash, clay, cullet and borax is (30.5-33 parts):(48-53 parts): (22.7-23.9 parts):(4.6-6.8 parts), is 1 according to the mass ratio of mixture and water:3 are made mixing slurry to being added water in mixture Material, is dried to mixed slurry, suppresses, high temperature sintering processes to obtain glass ceramics handicraft, and wherein high temperature sintering temperature is 1300 DEG C or so.
The embodiment by using method, aluminium ash utilization rate it is high, recovery utilization rate is up to 90.8 parts.
Above description is only the preferred embodiment and the explanation to institute's application technology principle of the application.People in the art Member is it should be appreciated that involved invention scope in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic Scheme, while should also cover in the case where the inventive concept is not departed from, is carried out by above-mentioned technical characteristic or its equivalent feature Other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein The technical scheme that the technical characteristic of energy is replaced mutually and formed.

Claims (10)

1. a kind of aluminium ash Application way, it is characterised in that comprise the following steps:
S101:Aluminium lime-ash is poured into reactor, stirs to form slurry to adding water in the reactor and stirring, be hydrolyzed reaction Deamination, the effusion ammonia of hydrolysis deamination generation enters absorption tower, using shower water or acid to the effusion in absorption tower Ammonia is collected;
S102:Remaining slurry after deamination is loaded magazine and is put into cabinet-type electric furnace to be dried and processes to obtain block aluminium Slag, carries out block aluminium slag feeding vibration grinding mill ball-milling treatment and obtains Quadratic aluminum dust.
2. aluminium according to claim 1 ash Application way, it is characterised in that
Also included before step S101:Under dust-proof environment, carry out frying grey treatment during aluminium ash raw material feeding is fried into apparatus for ash, carry Take out the metallic aluminium in the aluminium ash raw material, and remaining aluminium lime-ash.
3. aluminium according to claim 1 ash Application way, it is characterised in that
Also include after step s 102:To pouring into the Quadratic aluminum dust in agitating device, to adding silicon in the Quadratic aluminum dust Acid salt cement clinker, lime stone and gypsum, stirring are stirred to form mixing material, grinding is carried out to the mixing material and forms slag silicate Salt cement.
4. aluminium according to claim 1 ash Application way, it is characterised in that
Also include after step s 102:Pour into the Quadratic aluminum dust in liquid container to mixing, to described under the conditions of stirring is stirred Clay, cullet and borax is added to form mixture in Quadratic aluminum dust, to adding water to form mixed slurry in the mixture, to institute State mixed slurry be dried successively, suppress, high temperature sintering formed glassware.
5. aluminium according to claim 1 ash Application way, it is characterised in that
Also include after step s 102:
To pouring into a part of Quadratic aluminum dust in agitating device, to added in the part Quadratic aluminum dust Portland clinker, Lime stone and gypsum, stirring are stirred to form mixing material, grinding is carried out to the mixing material and forms portland slag cement;
Pour into Quadratic aluminum dust described in another part in liquid container to mixing, under the conditions of stirring is stirred to the part Quadratic aluminum dust plus Enter clay, cullet and borax and form mixture, to adding water to form mixed slurry in the mixture, to the mixed slurry according to It is secondary be dried, suppress, high temperature sintering formed glassware.
6. the grey Application way of aluminium according to claim any one of 1-5, it is characterised in that described " to pour into anti-aluminium lime-ash Kettle is answered, slurry is formed to adding water in the reactor and stirring to stir " include:
Reactor is poured into when the aluminium lime-ash is air cooled into 70-90 DEG C, is 1 according to the mass ratio of the aluminium lime-ash and water:1.5~ 1:4 stir to form slurry to addition water in the reactor and stirring.
7. the grey Application way of aluminium according to claim 3 or 5, it is characterised in that aluminium is grey, described described in the mixing material The mass parts ratio of Portland clinker, the lime stone and the gypsum is (20-30 parts):(50-70 parts):(5-10 parts): (4-8 parts).
8. the grey Application way of aluminium according to claim 4 or 5, it is characterised in that aluminium is grey, described described in the mixture The mass parts ratio of clay, the cullet and the borax is (25-35 parts):(30-60 parts):(15-25 parts):(2-10 parts).
9. the grey Application way of aluminium according to claim 4 or 5, it is characterised in that:
" forming mixed slurry to water is added in the mixture " includes:
Mass ratio according to mixture and water is 1:1-1:3 form mixed slurry to addition water in mixture.
10. the grey Application way of aluminium according to claim 4 or 5, it is characterised in that:The temperature of the high temperature sintering is 1100-1500℃。
CN201710104638.3A 2017-02-24 2017-02-24 Aluminium ash Application way Pending CN106892441A (en)

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CN107350264A (en) * 2017-07-07 2017-11-17 江苏海光金属有限公司 Fountain aluminium lime-ash denitrogenates method
CN107470318A (en) * 2017-07-07 2017-12-15 南通大学 Aluminium ash cascade utilization device
CN107475532A (en) * 2017-07-07 2017-12-15 江苏海光金属有限公司 Fountain aluminium lime-ash nitrogen removing device
CN107555447A (en) * 2017-08-10 2018-01-09 中国铝业股份有限公司 A kind of method of the innoxious comprehensive utilization of Quadratic aluminum dust
CN107723475A (en) * 2017-09-18 2018-02-23 湖北金洋资源股份公司 Improve the method that aluminium recovery is regenerated in aluminium slag
CN107814537A (en) * 2017-11-27 2018-03-20 南通大学 The method for preparing non-sintered pavement bricks with the residual ash of aluminium lime-ash
CN107892540A (en) * 2017-11-27 2018-04-10 南通大学 The method for preparing non-sintered pavement bricks with the latter secondary aluminium ash of fine grinding
CN107935501A (en) * 2017-11-27 2018-04-20 南通大学 The method for preparing aerated blocks with the residual ash of aluminium ash
CN107973577A (en) * 2017-11-27 2018-05-01 南通大学 Guardrail base preparation method
CN107986705A (en) * 2017-11-27 2018-05-04 南通大学 Guardrail base fills preparation method for material
CN108585826A (en) * 2018-05-17 2018-09-28 东北大学 The method for preparing magnesium aluminate spinel using Quadratic aluminum dust
CN108754182A (en) * 2018-06-26 2018-11-06 云南省环境科学研究院(中国昆明高原湖泊国际研究中心) A kind of method of the recycling treatment of aluminum alloy melt casting aluminium slag
CN109647853A (en) * 2018-12-20 2019-04-19 郑州鸿跃环保科技有限公司 A kind of aluminium ash harmless resource utilization total system and its processing method
CN109809700A (en) * 2019-04-04 2019-05-28 山东铝晖环保科技有限公司 A method of inorfil is produced using Industrial Solid Wastes such as aluminium ashes
CN110025920A (en) * 2018-04-27 2019-07-19 南通大学 The method for innocent treatment and device of aluminium lime-ash
CN110423894A (en) * 2019-08-31 2019-11-08 河南润隆环保科技有限公司 A kind of processing method recycling aluminium ash
CN112142353A (en) * 2020-10-16 2020-12-29 东北大学 Method for efficiently and harmlessly treating aluminum ash

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107470318A (en) * 2017-07-07 2017-12-15 南通大学 Aluminium ash cascade utilization device
CN107475532A (en) * 2017-07-07 2017-12-15 江苏海光金属有限公司 Fountain aluminium lime-ash nitrogen removing device
CN107350264A (en) * 2017-07-07 2017-11-17 江苏海光金属有限公司 Fountain aluminium lime-ash denitrogenates method
CN107555447A (en) * 2017-08-10 2018-01-09 中国铝业股份有限公司 A kind of method of the innoxious comprehensive utilization of Quadratic aluminum dust
CN107723475A (en) * 2017-09-18 2018-02-23 湖北金洋资源股份公司 Improve the method that aluminium recovery is regenerated in aluminium slag
CN107986705A (en) * 2017-11-27 2018-05-04 南通大学 Guardrail base fills preparation method for material
CN107814537A (en) * 2017-11-27 2018-03-20 南通大学 The method for preparing non-sintered pavement bricks with the residual ash of aluminium lime-ash
CN107892540A (en) * 2017-11-27 2018-04-10 南通大学 The method for preparing non-sintered pavement bricks with the latter secondary aluminium ash of fine grinding
CN107935501A (en) * 2017-11-27 2018-04-20 南通大学 The method for preparing aerated blocks with the residual ash of aluminium ash
CN107973577A (en) * 2017-11-27 2018-05-01 南通大学 Guardrail base preparation method
CN110025920A (en) * 2018-04-27 2019-07-19 南通大学 The method for innocent treatment and device of aluminium lime-ash
CN108585826A (en) * 2018-05-17 2018-09-28 东北大学 The method for preparing magnesium aluminate spinel using Quadratic aluminum dust
CN108754182A (en) * 2018-06-26 2018-11-06 云南省环境科学研究院(中国昆明高原湖泊国际研究中心) A kind of method of the recycling treatment of aluminum alloy melt casting aluminium slag
CN109647853A (en) * 2018-12-20 2019-04-19 郑州鸿跃环保科技有限公司 A kind of aluminium ash harmless resource utilization total system and its processing method
CN109809700A (en) * 2019-04-04 2019-05-28 山东铝晖环保科技有限公司 A method of inorfil is produced using Industrial Solid Wastes such as aluminium ashes
CN110423894A (en) * 2019-08-31 2019-11-08 河南润隆环保科技有限公司 A kind of processing method recycling aluminium ash
CN112142353A (en) * 2020-10-16 2020-12-29 东北大学 Method for efficiently and harmlessly treating aluminum ash

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