CN106116516A - Coal ash light through hole haydite - Google Patents
Coal ash light through hole haydite Download PDFInfo
- Publication number
- CN106116516A CN106116516A CN201610478328.3A CN201610478328A CN106116516A CN 106116516 A CN106116516 A CN 106116516A CN 201610478328 A CN201610478328 A CN 201610478328A CN 106116516 A CN106116516 A CN 106116516A
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- China
- Prior art keywords
- coal ash
- hole haydite
- ash light
- light
- granularity
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/135—Combustion residues, e.g. fly ash, incineration waste
- C04B33/1352—Fuel ashes, e.g. fly ash
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
- A01G24/35—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds containing water-absorbing polymers
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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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
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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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
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention discloses a kind of coal ash light through hole haydite, its technical scheme is characterized by, and coal ash light through hole haydite is made up of flyash, attapulgite clay, fly ash foamed dose of powdery, active white clay waste slag, floating bead, light magnesium oxide, expanded perlite, expanded vermiculite, ferrous sulfate and quick lime.The dispensing of coal ash light through hole haydite is stirred mixing, extruder grain, drying, roasting, be incubated, sieve after pack as coal ash light through hole haydite.Coal ash light through hole haydite has that specific surface area is big, bulk density is little, water absorption rate is high, permeability is superior, appearance and modeling free from extraneous odour attractive in appearance, there is no that harmful levels of pathogens, lightweight intensity is good, feature that micropore and macropore are integrated.During for cultivating or plant various nursery stock, flowers and plants and vegetable, the root of plant will absorb water or the nutritional labeling of liquid fertilizer from coal ash light through hole haydite, it is ensured that growth and development of plants is good and survival rate high, it is adaptable to preparation soilless culture substrate and Nutrition Soil.
Description
Technical field
The present invention relates to haydite, be specifically related to a kind of coal ash light through hole haydite.
Background technology
The soil used when cultivating or plant various nursery stock, flowers and plants and vegetable, is to use the earth near on the spot mostly, then
Adding some plant ash or peat soil is bound together, the moisture content of these soil, 12～20%, has possibly together with substantial amounts of
Fall ill bacterium.
When using these soil incubations or plant various nursery stock, flowers and plants and vegetable, it is difficult to control the water yield of later stage moisturizing, mends
Soil moisture content after water is more than more than 30%, and the moisture in soil is higher, and soil will be in semi-fluid cement paste or mud
Pulpous state, if soil does not has can obtain moisturizing in time, soil it would appear that the lump shape that hardens, all will directly influence and plant again
The normal growth of thing.
Along with improving constantly of afforestation project prescription, also frequently with lytag, leca, haydites of book structure and
The materials such as flower ceramsite are soilless culture substrate.
Lytag, leca and haydites of book structure are a kind of artificial lightweight aggregates, use high-quality clay, shale or fine coal
Ash is primary raw material, by rotary kiln high-temperature roasting, forms through expanded, due to inside it in alveolate texture, thus have light
The features such as matter, high-strength, heat conductivity is low, water absorption rate is little, (refer to national standard: GBT17431.1-2010 light-weight aggregate and examination thereof
Proved recipe method).
Owing to artificial lightweight aggregate is after high-temperature roasting, its surface formed one layer of enamel, although inside artificial lightweight aggregate in
The micropore of alveolate texture, but, the micropore of internal cellular shape structure is a kind of closed pore, the micropore of alveolate texture not only that
Do not connect between this, and and external environment, water absorption rate is relatively low, is practically free of moisture inside artificial lightweight aggregate, by artificial
Light-weight aggregate is put in water body, can only float on the surface of water, and therefore, artificial lightweight aggregate can only be sprinkling upon the top layer of soil, as one
Plant decoration, the plants such as the various nursery stocks of plantation, flowers and vegetable can not be directly used in.
Chinese patent Authorization Notice No.: CN 102503539 B, authorized announcement date: on 04 17th, 2013, entitled " circle
Spherical attapulgite flower ceramsite ", disclose that " a kind of spherical attapulgite flower ceramsite, spherical attapulgite flower ceramsite is by height
Viscous attapulgite clay powder, attapulgite clay mine tailing, red bentonite in powder, mud, kieselguhr mine tailing and powdered rice hulls group
Become.By the dispensing of spherical attapulgite flower ceramsite through mixing, pelletize, roasting, cool down and screening to be packaged as spheroidal concavo-convex
Rod flower ceramsite ".
Spheroidal ceramsite preparation process: in granulation process, is first processed into powdery dispensing and a kind of is less than 0.5 millimeter little
Ball, the spray water solution that then will prepare, sprays the bead surface in on-stream comminutor, then powdery dispensing is trickled down
On the surface of moistening bead, through repeated sprinkling spray water solution and powdery dispensing is trickled down at moistening bead
Surface, through the parcel of layer upon layer, the volume of bead constantly increases, and is finally completed the overall process of pelletize, is prepared as one
The spheroidal haydite that strength ratio is higher.
Spheroidal haydite internal structure after roasting is tightr, although spheroidal haydite strength ratio is higher, but
Causing effective ratio area little, proportion and bulk density are the biggest, thus reduce spheroidal haydite absorbability and
Water absorption rate.
Spherical attapulgite flower ceramsite is a kind of spheroidal haydite, and in roasting process, spherical attapulgite flower is made pottery
Intragranular portion is difficult to grill thoroughly completely, directly influences the inherent quality of spherical attapulgite flower ceramsite.
Test through multiple sampling: the artificial lightweight aggregate average bulk density >=800kg/m sold on market, mean water absorption
Rate≤18%, normal soil average bulk density >=1020kg/m, mean water absorption rate≤26%, spherical attapulgite flower is made pottery
Grain average bulk density >=850kg/m, mean water absorption rate≤50%.
By contrast, the bulk density of these several haydites is the biggest, and water absorption rate is smaller, and user wishes to invention one
Bulk density≤800kg/m, the light ceramic of water absorption rate >=65%, to be applicable to prepare soilless culture substrate and Nutrition Soil.
Flyash is to receive the flue gas after coal combustion to catch the fine ash got off, and flyash is the main solid of coal-burning power plant's discharge
Body refuse, flyash is one of industrial residue that the current discharge capacity of China is bigger, along with the development of power industry, the powder of coal-burning power plant
Coal ash discharge capacity increases year by year.Substantial amounts of flyash is untreated, will produce airborne dust, atmosphere pollution；If entering water system can make
Become river to silt up, and human body and biology also can be worked the mischief by toxic chemical substance therein.
Summary of the invention
It is an object of the invention to overcome weak point in prior art, it is provided that a kind of coal ash light through hole haydite.
Coal ash light through hole haydite is by flyash, high viscous attapulgite clay, fly ash foamed dose of powdery, active hargil
Waste residue, floating bead, light magnesium oxide, expanded perlite, expanded vermiculite, ferrous sulfate and quick lime composition.
The production method of coal ash light through hole haydite: the dispensing of coal ash light through hole haydite is stirred mixing,
Extruder grain, drying, roasting, be incubated, sieve after pack as coal ash light through hole haydite.
Fly ash grain is porous type cellular tissue, and specific surface area is relatively big, has higher adsorption activity, and Zhu Bi has
Loose structure, porosity is up to 50～80%, has the strongest water absorption.Examining under a microscope, flyash is crystal, vitreous body
And the mixture of a composite construction of a small amount of unburned carbon composition, the present invention selects granularity≤0.074 millimeter of flyash.
High viscous attapulgite clay is with attapulgite clay as raw material, through crushing, soak, adding, roll-in, dry, powder
A kind of natural prodcuts that the technique such as broken prepares, have the good adhesion agent of viscosity higher, are mainly used in fine chemistry industry, building materials, stone
The industries such as oiling work, agricultural, environmental protection, to improve quality and effect of product, the present invention selects the dynamic of high viscous attapulgite clay
Power viscosity >=2200 mPa s, product quality needs to meet the standard of JC/T 2266-2014 attapulgite clay goods, this
Granularity≤0.074 millimeter of the viscous attapulgite clay of height is selected in invention.
Fly ash foamed dose of powdery has that foaming capacity is strong, coefficient of foaming is high, unit volume bubble production volume is big, foam adventitia is tough
Property the most broken, foam stability is good, can the most not froth breaking, foam hole size fine and smooth, that generate in medium uniformly,
The advantages such as low and use medium the compatibility of bleeding quantity is good, the present invention selects granularity≤0.074 milli of fly ash foamed dose of powdery
Rice.
Active hargil is a kind of odorless, tasteless, nontoxic white or cream-coloured powder or granule, and the activity after decolouring is white
Soil loses activity and becomes active white clay waste slag, some oil factories all these active white clay waste slags are abandoned, if can not get and
Time process, produces after the fermentation of lipid organic matter in active white clay waste slag and goes mouldy and stench, the not only wasting of resources, pollution environment and
Groundwater quality, and fire hazardous, will cause certain loss to society and enterprise, and the present invention selects active white clay waste slag
Granularity≤0.149 millimeter.
Floating bead is a kind of fly ash hollow ball that can bubble through the water column, in canescence, the thin hollow of wall, have that granule is thin, hollow,
The several functions such as light weight, high-strength, wear-resisting, high temperature resistant, insulation insulation, flame-resistant insulation, the present invention selects granularity≤0.149 of floating bead
Millimeter.
Light magnesium oxide loosens unformed powder for white lightweight, and odorless, tasteless is nontoxic.Expose and the most easily absorb
Moisture and carbon dioxide, belong to the cementing material of air-setting, and the present invention selects granularity≤0.074 millimeter of light magnesium oxide.
Perlite is expanded and becomes a kind of lightweight, multifunctional novel shaped material, have that apparent density is light, heat conductivity is low,
The features such as chemical stability is good, the present invention selects granularity≤0.25 millimeter of expanded perlite.
Vermiculitum is after high-temperature roasting, and its volume energy expands rapidly several times to tens times, and the Vermiculitum after volumetric expansion is swollen
Swollen Vermiculitum, is one of the lightest mineral, granularity≤0.149 millimeter of expanded vermiculite of the present invention.
Anhydrous slufuric acid ferrous iron is white powder, and the ferrous sulfate containing water of crystallization is pale green crystals, the sulphuric acid of 10% aqueous solution
Ferrous is acidity to Herba Cladoniae rangiferinae, and pH value is about 3.7, and in the present invention, ferrous sulfate is for adjusting coal ash light through hole haydite
PH value.
Calx is also known as quick lime, and Calx has stronger alkalescence, be a kind of air-setting with calcium oxide as main component without
Machine Binder Materials, in the present invention, quick lime is for adjusting the pH value of coal ash light through hole haydite, and the present invention selects quick lime
Granularity≤0.074 millimeter.
The technical scheme is that:
1, the dispensing of coal ash light through hole haydite is made up of following component by weight percentage: flyash 15～55%, high viscous
Attapulgite clay 10～30%, powdery fly ash foamed dose 5～15%, active white clay waste slag 2～10%, floating bead 2～8%,
Light magnesium oxide 1～5%, expanded perlite 0.5～3%, expanded vermiculite 0.5～3%, ferrous sulfate 0～5%, quick lime 0～
5% and water 5～40%.
2, the production method of coal ash light through hole haydite:
(1) the dispensing of coal ash light through hole haydite being inputted in the stirring mixer operated, stirring is mixed into light coal ash
The mixture of matter through hole haydite；(2) the mixture of coal ash light through hole haydite is transported in Squeezinggranulator, extruder grain
For difform coal ash light through hole haydite semi-finished product；(3), by coal ash light through hole haydite semi-finished product, it is transported to revolution
Drying in formula drying oven, dry temperature and control at 150～250 DEG C, drying time controlled at 1～4 hour；(4) after drying
Coal ash light through hole haydite semi-finished product be transported to swinging roasting kiln roasting, the temperature of combustor controls 900～950
DEG C, roasting time controlled at 1～3 hour；(5), by the coal ash light through hole haydite semi-finished product after roasting, input rustless steel cylinder
Being incubated in storehouse, temperature retention time controlled at 8～24 hours；(6) by the coal ash light through hole haydite semi-finished product conveying after insulation cooling
Sieve in vibrosieve, pack after screening as coal ash light through hole haydite finished product；(7) extruder grain is not similar shape
The coal ash light through hole haydite semi-finished product of shape, refer to that extruder grain is spheroidal, cylinder, prunus mume (sieb.) sieb.et zucc. respectively according to design needs
The coal ash light through hole haydite semi-finished product of flower-shape.
Fly ash foamed dose of powdery is to use by filed in the present inventor on 05 27th, 2013 that " powdery is fly ash foamed
Agent ", Chinese patent Authorization Notice No. is: CN 103253887 B, authorized announcement date: on 09 24th, 2014.
High viscous attapulgite clay has the dispersion of uniqueness, the good colloidal nature such as saline and alkaline high temperature resistant, anti-and higher
Absorbability, and there is certain plasticity and cohesive force, the dynamic viscosity >=2200 mPa s of high viscous attapulgite clay,
Adhesive force is good, beneficially the bonding between raw material, increases intensity and the absorbability of coal ash light through hole haydite.
Active white clay waste slag is in roasting process, and lipid and organic matter in active white clay waste slag participate in light coal ash jointly
The roasting of matter through hole haydite, improves the heat of combustion-gas flow, not only can save the energy, also helps coal ash light through hole pottery
The inside of grain can be grilled thoroughly completely, increases the porosity within coal ash light through hole haydite, to guarantee that coal ash light through hole is made pottery
The quality of grain.
Fly ash foamed dose of powdery is when stirring is mixed into coal ash light through hole haydite mixture, it will produce a certain amount of
Bubble, be conducive to increasing coal ash light through hole haydite surface and internal porosity.
The accumulation that floating bead, light magnesium oxide, expanded perlite and expanded vermiculite can reduce coal ash light through hole haydite is close
Degree, increases coal ash light through hole haydite surface and internal porosity.
Quick lime has stronger alkalescence, not only can regulate the pH value of coal ash light through hole haydite, moreover it is possible to increase powder
The intensity of coal ash lightweight through hole haydite.
Coal ash light through hole haydite semi-finished product moisture content after extruder grain is more than 30%, is delivered directly to swinging roasting
Burning high-temperature roasting in stove, in high-temperature calcination process, the surface of haydite semi-finished product first starts sintering curing, and the water vapour of inside
Out, haydite semi-finished product will produce explosion to very difficult rapid evaporation, nor can grill thoroughly inside haydite semi-finished product.
Coal ash light through hole haydite semi-finished product first are transported in swinging drying oven slowly dry by the present invention, dry
Dry temperature controls at 150～250 DEG C, then will dry after coal ash light through hole haydite semi-finished product be transported to swinging roaster
Middle roasting, the temperature of combustor controls at 900～950 DEG C, it can be ensured that is grilled thoroughly by haydite in roasting process, will not produce quick-fried
Split.
It is still up to more than 700 DEG C in temperature, after roasting in coal ash light through hole haydite semi-finished product after roasting
The input of coal ash light through hole haydite semi-finished product is incubated in rustless steel cylinder storehouse, it is possible to use the waste heat of self, continues fine coal
Ash lightweight through hole haydite semi-finished product uniformly heat, and not only can ensure that and grill thoroughly completely inside coal ash light through hole haydite, moreover it is possible to
Play the effect of uniformly dispersing heat, improve the inherent quality of coal ash light through hole haydite.
There is substantial amounts of micropore coal ash light through hole haydite surface and inside, are a kind of open pores, and open pore is the most each other
Through also communicating with the external world, the macropore at coal ash light through hole haydite center is a kind of through hole, is conducive in roasting process, energy
Enough grill thoroughly inside haydite completely, and the effective ratio area of haydite, intensity and reduction bulk density can be increased.
The face shaping of coal ash light through hole haydite is designed as spheroidal, cylinder, the various shape such as quincunx, favorably
In increasing coal ash light through hole haydite voidage each other and reducing the bulk density of coal ash light through hole haydite.
There is the micropore being interconnected in a large number coal ash light through hole haydite surface and inside, put in water and will sink to rapidly
The bottom, while sucking large quantity of moisture, cements out the air in coal ash light through hole haydite internal capillary.
Although the water absorption rate of coal ash light through hole haydite is higher, even if during water absorption rate >=80%, coal ash light through hole
Haydite surface is a kind of moistening state, and the most obvious water leaks out, and is deposited in by coal ash light through hole haydite
Together, forming numerous spaces each other, permeability is good, and coal ash light through hole haydite does not has powder in the dry state
Dirt, is immersed in all the year round in water and also will not produce disintegrate.
Coal ash light through hole haydite has that specific surface area is big, bulk density is little, water absorption rate is high, permeability is superior, outer
See free from extraneous odour handsome in appearance, there is no that harmful levels of pathogens, lightweight intensity is good, feature that micropore and macropore are integrated.
Normal growth in order to ensure plant is grown, and water, the fertilizer of liquid or inorganic fertilizer are sprayed at coal ash light
In through hole haydite, it is also possible to coal ash light through hole haydite is immersed in the solution of water, fertilizer or inorganic fertilizer, light coal ash
Matter through hole haydite absorbs after storing a certain amount of water or liquid fertilizer and takes out, and is used for cultivating or plant various nursery stock, flowers and plants and vegetable
Time, the root of plant will absorb water or the nutritional labeling of liquid fertilizer from coal ash light through hole haydite, it is ensured that plant growing
Growing, survival rate is high and the life-span is longer, and can greatly reduce the number of times of moisturizing.
Coal ash light through hole haydite is applicable to prepare soilless culture substrate and Nutrition Soil.
Accompanying drawing explanation
Fig. 1 is spheroidal coal ash light through hole haydite schematic diagram, and Fig. 2 is spheroidal coal ash light through hole haydite A-A
Profile；Fig. 3 is cylindrical coal ash light through hole haydite schematic diagram, and Fig. 4 is that cylindrical coal ash light through hole haydite B-B cuts open
Face figure；Fig. 5 is quincunx coal ash light through hole haydite schematic diagram, and Fig. 6 is quincunx coal ash light through hole haydite C-C section
Figure.
As shown in the figure: 1 is the through hole of spheroidal coal ash light through hole haydite, 2 is cylindrical coal ash light through hole pottery
The through hole of grain, 3 is the through hole of quincunx coal ash light through hole haydite.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
1, the dispensing of coal ash light through hole haydite is made up of following component by weight percentage: flyash 30%, height are viscous concavo-convex
Rod stone clay 22%, powdery fly ash foamed dose 8%, active white clay waste slag 6%, floating bead 4%, light magnesium oxide 2%, expansion treasure
Pearl rock 1%, expanded vermiculite 1%, ferrous sulfate 2%, quick lime 0% and water 24%.
2, the production method of coal ash light through hole haydite: (1) the dispensing of coal ash light through hole haydite is inputted and transported
In the stirring mixer turned, stirring is mixed into the mixture of coal ash light through hole haydite；(2) by coal ash light through hole haydite
Mixture be transported in Squeezinggranulator, extruder grain is difform coal ash light through hole haydite semi-finished product；(3) will
Coal ash light through hole haydite semi-finished product, are transported in swinging drying oven dry, and dry temperature and control 200～220
DEG C, drying time controlled at 2 hours；(4) the coal ash light through hole haydite semi-finished product after drying are transported to swinging roaster
Middle roasting, the temperature of combustor controls at 940～950 DEG C, and roasting time controlled at 1 hour；(5) by the light coal ash after roasting
Matter through hole haydite semi-finished product, input is incubated in rustless steel cylinder storehouse, and temperature retention time controlled at 16 hours；(6) by after insulation cooling
Coal ash light through hole haydite semi-finished product are transported in vibrosieve sieve, and pack as coal ash light through hole after screening
Haydite finished product；(7) extruder grain is difform coal ash light through hole haydite semi-finished product, refers to according to design needs, extruding
Pelletize is quincunx coal ash light through hole haydite semi-finished product.
Quincunx coal ash light through hole haydite average bulk density is 680kg/m, and water absorption rate is 82%.
Claims (3)
1. a coal ash light through hole haydite, it is characterised in that the dispensing of coal ash light through hole haydite is by weight percentage
Be made up of following component: flyash 15～55%, high viscous attapulgite clay 10～30%, powdery fly ash foamed dose 5～
15%, active white clay waste slag 2～10%, floating bead 2～8%, light magnesium oxide 1～5%, expanded perlite 0.5～3%, expand
Vermiculitum 0.5～3%, ferrous sulfate 0～5%, quick lime 0～5% and water 5～40%.
Coal ash light through hole haydite the most according to claim 1, it is characterised in that granularity≤0.074 milli of flyash
Rice, granularity≤0.074 millimeter of high viscous attapulgite clay, granularity≤0.074 millimeter that powdery is fly ash foamed dose, activity is white
Granularity≤0.149 millimeter of soil waste residue, granularity≤0.149 millimeter of floating bead, granularity≤0.074 millimeter of light magnesium oxide, swollen
Swollen perlitic granularity≤0.25 millimeter, granularity≤0.149 millimeter of expanded vermiculite, granularity≤0.074 millimeter of quick lime.
Coal ash light through hole haydite the most according to claim 1, it is characterised in that the life of coal ash light through hole haydite
Product method: (1) the dispensing of coal ash light through hole haydite being inputted in the stirring mixer operated, stirring is mixed into fine coal
The mixture of ash lightweight through hole haydite；(2) the mixture of coal ash light through hole haydite is transported in Squeezinggranulator, extruding
Pelletize is difform coal ash light through hole haydite semi-finished product；(3), by coal ash light through hole haydite semi-finished product, it is transported to
Drying in swinging drying oven, dry temperature and control at 150～250 DEG C, drying time controlled at 1～4 hour；(4) will dry
Coal ash light through hole haydite semi-finished product after Gan are transported to swinging roasting kiln roasting, and the temperature of combustor controls 900
～950 DEG C, roasting time controlled at 1～3 hour；(5), by the coal ash light through hole haydite semi-finished product after roasting, input stainless
Being incubated in steel cylinder storehouse, temperature retention time controlled at 8～24 hours；(6) the coal ash light through hole haydite half after insulation cooling is become
Product are transported in vibrosieve sieve, and pack as coal ash light through hole haydite finished product after screening；(7) extruder grain is
Difform coal ash light through hole haydite semi-finished product, refer to that extruder grain is spheroidal, cylinder respectively according to design needs
Shape, quincuncial coal ash light through hole haydite semi-finished product.
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| CN201610478328.3A CN106116516A (en) | 2016-06-28 | 2016-06-28 | Coal ash light through hole haydite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610478328.3A CN106116516A (en) | 2016-06-28 | 2016-06-28 | Coal ash light through hole haydite |
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| CN106116516A true CN106116516A (en) | 2016-11-16 |
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| CN201610478328.3A Pending CN106116516A (en) | 2016-06-28 | 2016-06-28 | Coal ash light through hole haydite |
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| CN107021734A (en) * | 2017-03-29 | 2017-08-08 | 南京师范大学 | Haydite prepared by a kind of utilization domestic refuse incineration ash sludge and preparation method thereof |
| CN112919868A (en) * | 2021-03-30 | 2021-06-08 | 南京理工大学 | Method for preparing high-strength lightweight aggregate by using floating beads |
| CN113526935A (en) * | 2020-06-23 | 2021-10-22 | 华电电力科学研究院有限公司 | Deep well filling method |
| CN114276183A (en) * | 2021-03-31 | 2022-04-05 | 北京正唐峪秀环境科技有限公司 | Saline-alkali soil improvement fertilizer and preparation method and application thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107021734A (en) * | 2017-03-29 | 2017-08-08 | 南京师范大学 | Haydite prepared by a kind of utilization domestic refuse incineration ash sludge and preparation method thereof |
| CN107021734B (en) * | 2017-03-29 | 2020-04-21 | 南京师范大学 | Ceramsite prepared from domestic garbage incineration ash sludge and preparation method thereof |
| CN113526935A (en) * | 2020-06-23 | 2021-10-22 | 华电电力科学研究院有限公司 | Deep well filling method |
| CN112919868A (en) * | 2021-03-30 | 2021-06-08 | 南京理工大学 | Method for preparing high-strength lightweight aggregate by using floating beads |
| CN114276183A (en) * | 2021-03-31 | 2022-04-05 | 北京正唐峪秀环境科技有限公司 | Saline-alkali soil improvement fertilizer and preparation method and application thereof |
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Application publication date: 20161116 |