CN105884336A - Lightweight ceramsite with magnesite and through holes - Google Patents

Lightweight ceramsite with magnesite and through holes Download PDF

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Publication number
CN105884336A
CN105884336A CN201610479141.5A CN201610479141A CN105884336A CN 105884336 A CN105884336 A CN 105884336A CN 201610479141 A CN201610479141 A CN 201610479141A CN 105884336 A CN105884336 A CN 105884336A
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magnesite
lightweight
hole haydite
holes
finished product
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蒋文兰
许庆华
王鲁海
邱茗
金白云
袁欣
许盛英
袁长兵
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    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/009Porous or hollow ceramic granular materials, e.g. microballoons
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/03Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
    • C04B35/04Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
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    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/30Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
    • A01G24/35Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds containing water-absorbing polymers
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
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  • Cultivation Of Plants (AREA)

Abstract

The invention discloses lightweight ceramsite with magnesite and through holes. The technical scheme mainly includes that the lightweight ceramsite with the magnesite and the through holes comprises magnesite, high-viscosity attapulgite clay, powdery attapulgite clay foaming agents, activated argil residues, floating beads, lightweight calcium carbonate, expanded perlite, expanded vermiculite and ferrous sulfate. Ingredients for the lightweight ceramsite with the magnesite and the through holes are stirred and mixed with one another to obtain mixtures, the mixtures are extruded, granulated, dried and roasted, heat is preserved, and the mixtures are screened and then are hermetically packaged to obtain the lightweight ceramsite with the magnesite and the through holes. The lightweight ceramsite with the magnesite and the through holes has the advantages that the lightweight ceramsite with the magnesite and the through holes has large specific surface areas and is low in stacking density, high in water absorption, excellent in permeability, attractive in appearance modeling, free of peculiar smell and harmful germs and good in lightweight strength, and the tiny holes and the large holes are integrated with one another; nutritional components in water or liquid fertilizers can be absorbed by the roots of plants from the lightweight ceramsite with the magnesite and the through holes when the lightweight ceramsite with the magnesite and the through holes is used for cultivating or planting diversified seedlings, flowers, plants and vegetables, accordingly, excellent growth and development of the plants and high survival rate of the plants can be guaranteed, and the lightweight ceramsite with the magnesite and the through holes is applicable to preparing soilless culture substrates and nutritional soil.

Description

Magnesite lightweight through hole haydite
Technical field
The present invention relates to haydite, be specifically related to a kind of magnesite 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 adds some plant ash or peat soil is bound together, and the moisture content of these soil is 12~20%, possibly together with substantial amounts of harmful levels of pathogens.
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, soil moisture content after moisturizing is more than more than 30%, moisture in soil is higher, soil will be in semi-fluid cement paste or muddy, if soil does not has can obtain moisturizing in time, soil it would appear that the lump shape that hardens, all will directly influence the normal growth of plant again.
Along with improving constantly of afforestation project prescription, it is also soilless culture substrate frequently with materials such as lytag, leca, haydites of book structure and flower ceramsites.
Lytag, leca and haydites of book structure are a kind of artificial lightweight aggregates, using high-quality clay, shale or flyash is primary raw material, by rotary kiln high-temperature roasting, form through expanded, due to inside it in alveolate texture, thus there is the features such as lightweight, high-strength, heat conductivity is low, water absorption rate is little, (refer to national standard: GBT17431.1-2010 Light-weight aggregate and test method thereof).
Owing to artificial lightweight aggregate is after high-temperature roasting, its surface forms one layer of enamel, although micropore in alveolate texture inside artificial lightweight aggregate, but, the micropore of internal cellular shape structure is a kind of closed pore, the micropore of alveolate texture does not connects, and and external environment, water absorption rate is relatively low, moisture it is practically free of inside artificial lightweight aggregate, artificial lightweight aggregate is put in water body, the surface of water can only be floated on, therefore, artificial lightweight aggregate can only be sprinkling upon the top layer of soil, decorate as one, plantation each seedling wood can not be directly used in, the plant such as flowers and vegetable.
Chinese patent Authorization Notice No.: CN 102503539 B, authorized announcement date: on 04 17th, 2013, entitled " spherical attapulgite flower ceramsite ", disclose that " a kind of spherical attapulgite flower ceramsite, spherical attapulgite flower ceramsite is glued attapulgite clay powder, attapulgite clay mine tailing, red bentonite in powder, mud, kieselguhr mine tailing and powdered rice hulls by height and forms.By the dispensing of spherical attapulgite flower ceramsite through mixing, pelletize, roasting, cool down and screening is packaged as spherical attapulgite flower ceramsite ".
Spheroidal ceramsite preparation process: in granulation process; first powdery dispensing is processed into a kind of bead being less than 0.5 millimeter; then the spray water solution that will prepare; spray the bead surface in on-stream comminutor; again powdery dispensing is trickled down on the surface of moistening bead; through repeated sprinkling spray water solution and powdery dispensing is trickled down on the surface of moistening bead; parcel through layer upon layer; the volume of bead constantly increases; it is finally completed the overall process of pelletize, is prepared as the spheroidal haydite that a kind of strength ratio is higher.
Spheroidal haydite internal structure after roasting is tightr, although spheroidal haydite strength ratio is higher, but it is little to cause effective ratio area, and proportion and bulk density are the biggest, thus reduces absorbability and the water absorption rate of spheroidal haydite.
Spherical attapulgite flower ceramsite is a kind of spheroidal haydite, and in roasting process, internal being difficult to of spherical attapulgite flower ceramsite can be grilled 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 ceramsite 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 invent a kind of bulk density≤800kg/m, and 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 magnesite lightweight through hole haydite.
Magnesite lightweight through hole haydite is made up of magnesite, high viscous attapulgite clay, powdery attapulgite foaming agent, active white clay waste slag, floating bead, precipitated calcium carbonate, expanded perlite, expanded vermiculite and ferrous sulfate.
The production method of magnesite lightweight through hole haydite: the dispensing of magnesite lightweight through hole haydite is stirred mixing, extruder grain, drying, roasting, be incubated, sieve after pack as magnesite lightweight through hole haydite.
Magnesite is a kind of magnesium carbonate mineral, it is the main source of magnesium, solution effects containing magnesium is after calcite, calcite can be made to become magnesite, and therefore magnesite falls within calcite race, and the rock rich in magnesium also can be changing into magnesite, magnesite white or canescence, having glassy lustre, the magnesite of iron content can present yellow to brown, and the present invention selects granularity≤0.074 millimeter of magnesite.
High viscous attapulgite clay is with attapulgite clay as raw material, through crushing, soak, adding, roll-in, be dried, a kind of natural prodcuts that the technique such as pulverizing prepares, there is the good adhesion agent of viscosity higher, it is mainly used in the industries such as fine chemistry industry, building materials, petrochemical industry, agricultural, environmental protection, to improve quality and effect of product, the present invention selects dynamic viscosity >=2200 of high viscous attapulgite claymPa · s, product quality needs to meet the standard of JC/T 2266-2014 attapulgite clay goods, and the present invention selects granularity≤0.074 millimeter of high viscous attapulgite clay.
Powdery attapulgite foaming agent has that foaming capacity is strong, coefficient of foaming is high, unit volume bubble production volume is big, foam adventitia good toughness is the most broken, foam stability is good, can the most not froth breaking, the advantage such as foam hole size fine and smooth, that generate in medium is uniform, bleeding quantity is low and uses the compatibility of medium good, the present invention selects granularity≤0.074 millimeter of powdery attapulgite foaming agent.
Active hargil is a kind of odorless, tasteless, nontoxic white or cream-coloured powder or granule, active hargil after decolouring loses activity and becomes active white clay waste slag, these active white clay waste slags are all abandoned by some oil factories, if can not get processing in time, produce after lipid organic matter fermentation in active white clay waste slag and go mouldy and stench, the not only wasting of resources, pollute environment and groundwater quality, and fire hazardous, society and enterprise will be caused certain loss, the present invention selects granularity≤0.149 millimeter of active white clay waste slag.
Floating bead is a kind of fly ash hollow ball that can bubble through the water column, in canescence, the thin hollow of wall, has the several functions such as granule is thin, hollow, light weight, high-strength, wear-resisting, high temperature resistant, insulation insulation, flame-resistant insulation, and the present invention selects granularity≤0.149 millimeter of floating bead.
Precipitated calcium carbonate is with a kind of white powder or colourless crystallization, has the characteristics such as nontoxic, odorlessness, nonirritant, whiteness dispersion higher, easy and good luster.The present invention selects granularity≤0.074 millimeter of precipitated calcium carbonate.
Perlite is expanded and becomes a kind of lightweight, multifunctional novel shaped material, has the features such as apparent density is light, heat conductivity is low, chemical stability is good, and 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, expanded vermiculite, 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, and the ferrous sulfate of 10% aqueous solution is acidity to Herba Cladoniae rangiferinae, and pH value is about 3.7, and in the present invention, ferrous sulfate is for adjusting the pH value of magnesite lightweight through hole haydite.
The technical scheme is that:
1, the dispensing of magnesite lightweight through hole haydite is made up of following component by weight percentage: magnesite 15~55%, high viscous attapulgite clay 10~30%, powdery attapulgite foaming agent 5~15%, active white clay waste slag 5~10%, floating bead 2~10%, precipitated calcium carbonate 1~5%, expanded perlite 0.5~5%, expanded vermiculite 0.5~5%, ferrous sulfate 0~5% and water 5~35%.
2, the production method of magnesite lightweight through hole haydite:
(1) the dispensing of magnesite lightweight through hole haydite being inputted in the stirring mixer operated, stirring is mixed into the mixture of magnesite lightweight through hole haydite;(2) being transported in Squeezinggranulator by the mixture of magnesite lightweight through hole haydite, extruder grain is difform magnesite lightweight through hole haydite semi-finished product;(3) by magnesite lightweight through hole haydite semi-finished product, being transported in swinging drying oven dry, dry temperature and control at 150~250 DEG C, drying time controlled at 1~4 hour;(4) the magnesite lightweight through hole haydite semi-finished product after drying are transported to swinging roasting kiln roasting, and the temperature of combustor controls at 900~950 DEG C, and roasting time controlled at 1~3 hour;(5), by the magnesite lightweight through hole haydite semi-finished product after roasting, input is incubated in rustless steel cylinder storehouse, and temperature retention time controlled at 8~24 hours;(6) it is transported in vibrosieve sieve by the magnesite lightweight through hole haydite semi-finished product after insulation cooling, packs after screening as magnesite lightweight through hole haydite finished product;(7) extruder grain is difform magnesite lightweight through hole haydite semi-finished product, refers to that extruder grain is spheroidal, cylinder, quincuncial magnesite lightweight through hole haydite semi-finished product respectively according to design needs.
Powdery attapulgite foaming agent is to use by " powdery attapulgite foaming agent " filed in the present inventor on 05 26th, 2013, and Chinese patent Authorization Notice No. is: CN 103265213B, authorized announcement date: on 09 24th, 2014.
High viscous attapulgite clay has the dispersion of uniqueness, good colloidal nature and the higher absorbability such as saline and alkaline high temperature resistant, anti-, and has certain plasticity and cohesive force, dynamic viscosity >=2200 of high viscous attapulgite claymPa · s, adhesive force is good, beneficially the bonding between raw material, increases intensity and the absorbability of magnesite lightweight through hole haydite.
Active white clay waste slag is in roasting process, lipid in active white clay waste slag and organic matter participate in the roasting of magnesite lightweight through hole haydite jointly, improve the heat of combustion-gas flow, not only can save the energy, the inside also helping magnesite lightweight through hole haydite can be grilled thoroughly completely, increase the porosity within magnesite lightweight through hole haydite, to guarantee the quality of magnesite lightweight through hole haydite.
Powdery attapulgite foaming agent is when stirring is mixed into magnesite lightweight through hole haydite mixture, it will produce a certain amount of bubble, is conducive to increasing magnesite lightweight through hole haydite surface and internal porosity.
Floating bead, precipitated calcium carbonate, expanded perlite and expanded vermiculite can reduce the bulk density of magnesite lightweight through hole haydite, increase magnesite lightweight through hole haydite surface and internal porosity.
Magnesite lightweight through hole haydite semi-finished product moisture content after extruder grain is more than 30%, it is delivered directly to high-temperature roasting in swinging roaster, in high-temperature calcination process, the surface of haydite semi-finished product first starts sintering curing, and the water vapour of inside is difficult to rapid evaporation out, haydite semi-finished product will produce explosion, nor can grill thoroughly inside haydite semi-finished product.
Magnesite lightweight through hole haydite semi-finished product first are transported in swinging drying oven slowly dry by the present invention, dry temperature and control at 150~250 DEG C, magnesite lightweight through hole haydite semi-finished product after drying again are transported to swinging roasting kiln roasting, the temperature of combustor controls at 900~950 DEG C, may insure that and in roasting process, haydite is grilled thoroughly, explosion will not be produced.
It is still up to more than 700 DEG C in temperature in magnesite lightweight through hole haydite semi-finished product after roasting, magnesite lightweight through hole haydite semi-finished product after roasting are inputted in rustless steel cylinder storehouse and is incubated, the waste heat of self can be utilized, continue magnesite lightweight through hole haydite semi-finished product are uniformly heated, not only can ensure that and grill thoroughly completely inside magnesite lightweight through hole haydite, the effect of uniformly dispersing heat can also be played, improve the inherent quality of magnesite lightweight through hole haydite.
There is substantial amounts of micropore magnesite lightweight through hole haydite surface and inside, it it is a kind of open pore, open pore is the most through also to be communicated with the external world, the macropore at magnesite lightweight through hole haydite center is a kind of through hole, be conducive in roasting process, can completely grill thoroughly inside haydite, and the effective ratio area of haydite, intensity and reduction bulk density can be increased.
The face shaping of magnesite lightweight through hole haydite is designed as spheroidal, cylinder, the various shape such as quincunx, is conducive to increasing magnesite lightweight through hole haydite voidage each other and reducing the bulk density of magnesite lightweight through hole haydite.
There is the micropore being interconnected in a large number magnesite lightweight through hole haydite surface and inside, put in water and will sink under water rapidly, while sucking large quantity of moisture, are cemented out by the air in magnesite lightweight through hole haydite internal capillary.
Although the water absorption rate of magnesite lightweight through hole haydite is higher, even if during water absorption rate >=80%, magnesite lightweight through hole haydite surface is a kind of moistening state, obvious water does not leaks out, being packed together by magnesite lightweight through hole haydite, form numerous spaces each other, permeability is good, magnesite lightweight through hole haydite does not has dust in the dry state, is immersed in all the year round in water and will not produce disintegrate yet.
Magnesite 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.
Normal growth in order to ensure plant is grown, by water, the fertilizer of liquid or inorganic fertilizer are sprayed in magnesite lightweight through hole haydite, magnesite lightweight through hole haydite can also be immersed in water, in the solution of fertilizer or inorganic fertilizer, magnesite lightweight through hole haydite absorbs after storing a certain amount of water or liquid fertilizer and takes out, for cultivating or plant each seedling wood, when flowers and plants and vegetable, the root of plant will absorb water or the nutritional labeling of liquid fertilizer from magnesite lightweight through hole haydite, guarantee that growth and development of plants is good, survival rate is high and the life-span is longer, and the number of times of moisturizing can be greatly reduced.
Magnesite lightweight through hole haydite is applicable to prepare soilless culture substrate and Nutrition Soil.
Accompanying drawing explanation
Fig. 1 is spheroidal magnesite lightweight through hole haydite schematic diagram, and Fig. 2 is spheroidal magnesite lightweight through hole haydite A-A profile;Fig. 3 is cylindrical magnesite lightweight through hole haydite schematic diagram, and Fig. 4 is cylindrical magnesite lightweight through hole haydite B-B profile;Fig. 5 is quincunx magnesite lightweight through hole haydite schematic diagram, and Fig. 6 is quincunx magnesite lightweight through hole haydite C-C profile.
As shown in the figure: 1 is the through hole of spheroidal magnesite lightweight through hole haydite, 2 is the through hole of cylindrical magnesite lightweight through hole haydite, and 3 is the through hole of quincunx magnesite lightweight through hole haydite.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
1, the dispensing of magnesite lightweight through hole haydite is made up of following component by weight percentage: magnesite 30%, high viscous attapulgite clay 25%, powdery attapulgite foaming agent 8%, active white clay waste slag 6%, floating bead 4%, precipitated calcium carbonate 2%, expanded perlite 1%, expanded vermiculite 1%, ferrous sulfate 1% and water 22%.
2, the production method of magnesite lightweight through hole haydite: (1) the dispensing of magnesite lightweight through hole haydite being inputted in the stirring mixer operated, stirring is mixed into the mixture of magnesite lightweight through hole haydite;(2) being transported in Squeezinggranulator by the mixture of magnesite lightweight through hole haydite, extruder grain is difform magnesite lightweight through hole haydite semi-finished product;(3) by magnesite lightweight through hole haydite semi-finished product, being transported in swinging drying oven dry, dry temperature and control at 200~220 DEG C, drying time controlled at 2 hours;(4) the magnesite lightweight through hole haydite semi-finished product after drying are transported to swinging roasting kiln roasting, and the temperature of combustor controls at 940~950 DEG C, and roasting time controlled at 1 hour;(5), by the magnesite lightweight through hole haydite semi-finished product after roasting, input is incubated in rustless steel cylinder storehouse, and temperature retention time controlled at 16 hours;(6) it is transported in vibrosieve sieve by the magnesite lightweight through hole haydite semi-finished product after insulation cooling, packs after screening as magnesite lightweight through hole haydite finished product;(7) extruder grain is difform magnesite lightweight through hole haydite semi-finished product, refers to according to design needs, and extruder grain is cylindrical magnesite lightweight through hole haydite semi-finished product.
Cylindrical magnesite lightweight through hole haydite average bulk density is 740kg/m, and water absorption rate is 82%.

Claims (3)

1. a magnesite lightweight through hole haydite, it is characterized in that, the dispensing of magnesite lightweight through hole haydite is made up of following component by weight percentage: magnesite 15~55%, high viscous attapulgite clay 10~30%, powdery attapulgite foaming agent 5~15%, active white clay waste slag 5~10%, floating bead 2~10%, precipitated calcium carbonate 1~5%, expanded perlite 0.5~5%, expanded vermiculite 0.5~5%, ferrous sulfate 0~5% and water 5~35%.
Magnesite lightweight through hole haydite the most according to claim 1, it is characterized in that, granularity≤0.074 millimeter of magnesite, granularity≤0.074 millimeter of high viscous attapulgite clay, granularity≤0.074 millimeter of powdery attapulgite foaming agent, granularity≤0.149 millimeter of active white clay waste slag, granularity≤0.149 millimeter of floating bead, granularity≤0.074 millimeter of precipitated calcium carbonate, granularity≤0.25 millimeter of expanded perlite, granularity≤0.149 millimeter of expanded vermiculite.
Magnesite lightweight through hole haydite the most according to claim 1, it is characterized in that, the production method of magnesite lightweight through hole haydite: (1) the dispensing of magnesite lightweight through hole haydite being inputted in the stirring mixer operated, stirring is mixed into the mixture of magnesite lightweight through hole haydite;(2) being transported in Squeezinggranulator by the mixture of magnesite lightweight through hole haydite, extruder grain is difform magnesite lightweight through hole haydite semi-finished product;(3) by magnesite lightweight through hole haydite semi-finished product, being transported in swinging drying oven dry, dry temperature and control at 150~250 DEG C, drying time controlled at 1~4 hour;(4) the magnesite lightweight through hole haydite semi-finished product after drying are transported to swinging roasting kiln roasting, and the temperature of combustor controls at 900~950 DEG C, and roasting time controlled at 1~3 hour;(5), by the magnesite lightweight through hole haydite semi-finished product after roasting, input is incubated in rustless steel cylinder storehouse, and temperature retention time controlled at 8~24 hours;(6) it is transported in vibrosieve sieve by the magnesite lightweight through hole haydite semi-finished product after insulation cooling, packs after screening as magnesite lightweight through hole haydite finished product;(7) extruder grain is difform magnesite lightweight through hole haydite semi-finished product, refers to that extruder grain is spheroidal, cylinder, quincuncial magnesite lightweight through hole haydite semi-finished product respectively according to design needs.
CN201610479141.5A 2016-06-28 2016-06-28 Lightweight ceramsite with magnesite and through holes Withdrawn CN105884336A (en)

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CN106431269A (en) * 2016-09-24 2017-02-22 甘肃华晨生态治理有限公司 Cylindrical lightweight magnesite through-hole ceramsite with air purification function
CN106431356A (en) * 2016-09-27 2017-02-22 甘肃华晨生态治理有限公司 Production method of multifunctional quincuncial magnesite light through-hole ceramsite
CN106431327A (en) * 2016-09-27 2017-02-22 甘肃华晨生态治理有限公司 Production method of multifunctional quincunx magnesite tailing lightweight through hole ceramsites
CN106431277A (en) * 2016-09-24 2017-02-22 甘肃华晨生态治理有限公司 Quincunx magnesite lightweight through-pore ceramsite with air purification function
CN110194675A (en) * 2019-06-18 2019-09-03 大连地拓环境科技有限公司 A kind of magnesite barren rock prepares baking-free lightweight haydite and preparation method thereof

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN106431269A (en) * 2016-09-24 2017-02-22 甘肃华晨生态治理有限公司 Cylindrical lightweight magnesite through-hole ceramsite with air purification function
CN106431277A (en) * 2016-09-24 2017-02-22 甘肃华晨生态治理有限公司 Quincunx magnesite lightweight through-pore ceramsite with air purification function
CN106431356A (en) * 2016-09-27 2017-02-22 甘肃华晨生态治理有限公司 Production method of multifunctional quincuncial magnesite light through-hole ceramsite
CN106431327A (en) * 2016-09-27 2017-02-22 甘肃华晨生态治理有限公司 Production method of multifunctional quincunx magnesite tailing lightweight through hole ceramsites
CN110194675A (en) * 2019-06-18 2019-09-03 大连地拓环境科技有限公司 A kind of magnesite barren rock prepares baking-free lightweight haydite and preparation method thereof

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Application publication date: 20160824