CN106083158A - Flint clay lightweight through hole haydite - Google Patents

Flint clay lightweight through hole haydite Download PDF

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Publication number
CN106083158A
CN106083158A CN201610478647.4A CN201610478647A CN106083158A CN 106083158 A CN106083158 A CN 106083158A CN 201610478647 A CN201610478647 A CN 201610478647A CN 106083158 A CN106083158 A CN 106083158A
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flint clay
hole haydite
lightweight
clay lightweight
flint
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Inventor
许庆华
蒋文兰
金白云
马爱军
何任红
袁欣
袁长兵
许盛英
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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
    • 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
    • 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
    • C04B33/131—Inorganic additives
    • 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
    • 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
    • C04B2235/02—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
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
    • 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
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/448—Sulphates or sulphites
    • 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
    • C04B2235/74—Physical characteristics
    • C04B2235/77—Density
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • 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
    • 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
    • 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 flint clay lightweight through hole haydite, its technical scheme is characterized by, and flint clay lightweight through hole haydite is made up of flint clay, attapulgite clay, powdery flint clay foaming agent, active white clay waste slag, floating bead, light magnesium oxide, expanded perlite, expanded vermiculite, ferrous sulfate and quick lime.The dispensing of flint clay lightweight through hole haydite is stirred mixing, extruder grain, drying, roasting, be incubated, sieve after pack as flint clay lightweight through hole haydite.Flint clay lightweight 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 flint clay lightweight 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

Flint clay lightweight through hole haydite
Technical field
The present invention relates to haydite, be specifically related to a kind of flint clay lightweight 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, flint clay 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.
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 flint clay lightweight through hole haydite.
Flint clay lightweight through hole haydite is by flint clay, high viscous attapulgite clay, powdery flint clay foaming agent, active hargil Waste residue, floating bead, light magnesium oxide, expanded perlite, expanded vermiculite, ferrous sulfate and quick lime composition.
The production method of flint clay lightweight through hole haydite: the dispensing of flint clay lightweight through hole haydite is stirred mixing, Extruder grain, drying, roasting, be incubated, sieve after pack as flint clay lightweight through hole haydite.
Flint clay is a kind of high-quality hard fire clay, stable components, homogeneous, compact structure, and section is conchoidal, Flint clay is ingredient stability after high-temperature calcination, homogeneous, compact structure, and section is conchoidal, has volume stability, intensity big And the characteristic such as water absorption rate is little, the present invention selects granularity≤0.074 millimeter of flint clay.
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.
Powdery flint clay foaming agent 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 powdery flint clay foaming agent 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 flint clay 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 flint clay lightweight 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 flint clay lightweight through hole haydite, and the present invention selects quick lime Granularity≤0.074 millimeter.
The technical scheme is that:
1, the dispensing of flint clay lightweight through hole haydite is made up of following component by weight percentage: flint clay 15～55%, high viscous Attapulgite clay 10～30%, powdery flint clay foaming agent 5～15%, active white clay waste slag 2～10%, floating bead 2～8%, Light magnesium oxide 0～5%, 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 flint clay lightweight through hole haydite:
(1) the dispensing of flint clay lightweight through hole haydite being inputted in the stirring mixer operated, it is light that stirring is mixed into flint clay The mixture of matter through hole haydite；(2) the mixture of flint clay lightweight through hole haydite is transported in Squeezinggranulator, extruder grain For difform flint clay lightweight through hole haydite semi-finished product；(3), by flint clay lightweight 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 Flint clay lightweight 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 flint clay lightweight 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 flint clay lightweight through hole haydite semi-finished product conveying after insulation cooling Sieve in vibrosieve, pack after screening as flint clay lightweight through hole haydite finished product；(7) extruder grain is not similar shape The flint clay lightweight 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 flint clay lightweight through hole haydite semi-finished product of flower-shape.
Powdery flint clay foaming agent is to use by filed in the present inventor on 06 07th, 2013 that " powdery flint clay foams Agent ", Chinese patent Authorization Notice No. is: CN 103265324B, authorized announcement date: on 07 23rd, 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 flint clay lightweight through hole haydite.
Active white clay waste slag is in roasting process, and it is light that lipid in active white clay waste slag and organic matter participate in flint clay jointly The roasting of matter through hole haydite, improves the heat of combustion-gas flow, not only can save the energy, also helps flint clay lightweight through hole pottery The inside of grain can be grilled thoroughly completely, increases the porosity within flint clay lightweight through hole haydite, to guarantee that flint clay lightweight through hole is made pottery The quality of grain.
Powdery flint clay foaming agent is when stirring is mixed into flint clay lightweight through hole haydite mixture, it will produce a certain amount of Bubble, be conducive to increasing flint clay lightweight through hole haydite surface and internal porosity.
The accumulation that floating bead, light magnesium oxide, expanded perlite and expanded vermiculite can reduce flint clay lightweight through hole haydite is close Degree, increases flint clay lightweight through hole haydite surface and internal porosity.
Quick lime has stronger alkalescence, not only can regulate the pH value of flint clay lightweight through hole haydite, moreover it is possible to increase Jiao The intensity of gem lightweight through hole haydite.
Flint clay lightweight 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.
Flint clay lightweight 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 flint clay lightweight 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 flint clay lightweight through hole haydite semi-finished product after roasting The input of flint clay lightweight through hole haydite semi-finished product is incubated in rustless steel cylinder storehouse, it is possible to use the waste heat of self, continues focusing treasured Stone lightweight through hole haydite semi-finished product uniformly heat, and not only can ensure that and grill thoroughly completely inside flint clay lightweight through hole haydite, moreover it is possible to Play the effect of uniformly dispersing heat, improve the inherent quality of flint clay lightweight through hole haydite.
There is substantial amounts of micropore flint clay lightweight 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 flint clay lightweight 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 flint clay lightweight through hole haydite is designed as spheroidal, cylinder, the various shape such as quincunx, favorably In increasing flint clay lightweight through hole haydite voidage each other and reducing the bulk density of flint clay lightweight through hole haydite.
There is the micropore being interconnected in a large number flint clay lightweight 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 flint clay lightweight through hole haydite internal capillary.
Although the water absorption rate of flint clay lightweight through hole haydite is higher, even if during water absorption rate >=75%, flint clay lightweight through hole Haydite surface is a kind of moistening state, and the most obvious water leaks out, and is deposited in by flint clay lightweight through hole haydite Together, forming numerous spaces each other, permeability is good, and flint clay lightweight 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.
Flint clay lightweight 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 flint clay lightweight In through hole haydite, it is also possible to being immersed in the solution of water, fertilizer or inorganic fertilizer by flint clay lightweight through hole haydite, flint clay is light 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 flint clay lightweight 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.
Flint clay lightweight through hole haydite is applicable to prepare soilless culture substrate and Nutrition Soil.
Accompanying drawing explanation
Fig. 1 is spheroidal flint clay lightweight through hole haydite schematic diagram, and Fig. 2 is spheroidal flint clay lightweight through hole haydite A-A Profile；Fig. 3 is cylindrical flint clay lightweight through hole haydite schematic diagram, and Fig. 4 is that cylindrical flint clay lightweight through hole haydite B-B cuts open Face figure；Fig. 5 is quincunx flint clay lightweight through hole haydite schematic diagram, and Fig. 6 is quincunx flint clay lightweight through hole haydite C-C section Figure.
As shown in the figure: 1 is the through hole of spheroidal flint clay lightweight through hole haydite, 2 is cylindrical flint clay lightweight through hole pottery The through hole of grain, 3 is the through hole of quincunx flint clay lightweight through hole haydite.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
1, the dispensing of flint clay lightweight through hole haydite is made up of following component by weight percentage: flint clay 34%, height are viscous concavo-convex Rod stone clay 24%, powdery flint clay foaming agent 8%, active white clay waste slag 5%, floating bead 4%, light magnesium oxide 1%, expansion treasure Pearl rock 1%, expanded vermiculite 0.5%, ferrous sulfate 0.5%, quick lime 0% and water 22%.
2, the production method of flint clay lightweight through hole haydite: (1) the dispensing of flint clay lightweight through hole haydite is inputted and transported In the stirring mixer turned, stirring is mixed into the mixture of flint clay lightweight through hole haydite；(2) by flint clay lightweight through hole haydite Mixture be transported in Squeezinggranulator, extruder grain is difform flint clay lightweight through hole haydite semi-finished product；(3) will Flint clay lightweight 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 flint clay lightweight 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 light for the flint clay 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 Flint clay lightweight through hole haydite semi-finished product are transported in vibrosieve sieve, and pack as flint clay lightweight through hole after screening Haydite finished product；(7) extruder grain is difform flint clay lightweight through hole haydite semi-finished product, refers to according to design needs, extruding Pelletize is quincunx flint clay lightweight through hole haydite semi-finished product.
Quincunx flint clay lightweight through hole haydite average bulk density is 740kg/m, and water absorption rate is 76%.

Claims (3)

1. a flint clay lightweight through hole haydite, it is characterised in that the dispensing of flint clay lightweight through hole haydite is by weight percentage Be made up of following component: flint clay 15～55%, high viscous attapulgite clay 10～30%, powdery flint clay foaming agent 5～ 15%, active white clay waste slag 2～10%, floating bead 2～8%, light magnesium oxide 0～5%, expanded perlite 0.5～3%, expand Vermiculitum 0.5～3%, ferrous sulfate 0～5%, quick lime 0～5% and water 5～40%.
Flint clay lightweight through hole haydite the most according to claim 1, it is characterised in that granularity≤0.074 milli of flint clay Rice, granularity≤0.074 millimeter of high viscous attapulgite clay, granularity≤0.074 millimeter of powdery flint clay foaming agent, 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.
Flint clay lightweight through hole haydite the most according to claim 1, it is characterised in that the life of flint clay lightweight through hole haydite Product method: (1) the dispensing of flint clay lightweight through hole haydite being inputted in the stirring mixer operated, stirring is mixed into burnt precious The mixture of stone lightweight through hole haydite；(2) the mixture of flint clay lightweight through hole haydite is transported in Squeezinggranulator, extruding Pelletize is difform flint clay lightweight through hole haydite semi-finished product；(3), by flint clay lightweight 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 Flint clay lightweight 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 flint clay lightweight 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 flint clay lightweight through hole haydite half after insulation cooling is become Product are transported in vibrosieve sieve, and pack as flint clay lightweight through hole haydite finished product after screening；(7) extruder grain is Difform flint clay lightweight through hole haydite semi-finished product, refer to that extruder grain is spheroidal, cylinder respectively according to design needs Shape, quincuncial flint clay lightweight through hole haydite semi-finished product.
CN201610478647.4A 2016-06-28 2016-06-28 Flint clay lightweight through hole haydite Withdrawn CN106083158A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115180920A (en) * 2022-08-09 2022-10-14 陕西延长石油压裂材料有限公司 Ultralow-density ceramsite proppant and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1468827A (en) * 2002-06-28 2004-01-21 张传镁 Ceramic slag haydite and its prepn process
CN103265324A (en) * 2013-06-07 2013-08-28 许盛英 Powdery flint clay foaming agent
CN104119174A (en) * 2014-08-12 2014-10-29 许盛英 Production method of flint clay tailings compressed nutrient soil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1468827A (en) * 2002-06-28 2004-01-21 张传镁 Ceramic slag haydite and its prepn process
CN103265324A (en) * 2013-06-07 2013-08-28 许盛英 Powdery flint clay foaming agent
CN104119174A (en) * 2014-08-12 2014-10-29 许盛英 Production method of flint clay tailings compressed nutrient soil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115180920A (en) * 2022-08-09 2022-10-14 陕西延长石油压裂材料有限公司 Ultralow-density ceramsite proppant and preparation method thereof

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