CN105967648A - Fired clay hollow brick with low thermal conductivity and preparation method thereof - Google Patents

Fired clay hollow brick with low thermal conductivity and preparation method thereof Download PDF

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Publication number
CN105967648A
CN105967648A CN201610207272.8A CN201610207272A CN105967648A CN 105967648 A CN105967648 A CN 105967648A CN 201610207272 A CN201610207272 A CN 201610207272A CN 105967648 A CN105967648 A CN 105967648A
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parts
hollow brick
raw material
brick
roasting
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王慧
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ANHUI HONG ENERGY-SAVING EQUIPMENT Co Ltd
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ANHUI HONG ENERGY-SAVING EQUIPMENT Co Ltd
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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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/1305—Organic additives
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    • 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
    • C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
    • 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
    • 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
    • C04B33/138—Waste materials; Refuse; Residues from metallurgical processes, e.g. slag, furnace dust, galvanic waste
    • 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
    • C04B33/36—Reinforced clay-wares
    • 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
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
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    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3436—Alkaline earth metal silicates, e.g. barium silicate
    • C04B2235/3454—Calcium silicates, e.g. wollastonite
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    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
    • C—CHEMISTRY; METALLURGY
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    • 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
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    • 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
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
    • 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

Abstract

The invention discloses a fired clay hollow brick with low thermal conductivity and a preparation method thereof. The brick is prepared from the following raw materials (by weight): 23-35 parts of yellow phosphorus slag, 18-27 parts of arsenic sandstone area, 20-25 parts of vermiculite, 9-14 parts of yellow dextrin, 10-15 parts of nanoporous silica aerogel, 22-28 parts of oyster shell, 5-10 parts of hydroxyethyl cellulose, 14-22 parts of sepiolite, 8-12 parts of sawdust, 7-13 parts of zirconia and a proper amount of water. The fired clay hollow brick prepared from raw materials including coal cinder, sawdust, nanoporous silica aerogel, cement dust and the like has characteristics of low heat conductivity coefficient, high strength, corrosion resistance, ageing resistance and good seismic stability.

Description

A kind of low heat conduction sintered clay hollow brick and preparation method thereof
Technical field
The present invention relates to a kind of hollow brick and preparation method thereof, be specifically related to a kind of low heat conduction sintered clay hollow brick and Preparation method.
Background technology
Hollow brick is the main material of body of wall that building trade is conventional, due to light weight, consumes the advantages such as former material is few, has become as country The product that first construction sector is recommended.Sintered clay hollow brick is with clay, raw mineral materials etc. as primary raw material, at raw material Reason, molding, sintering are made.Sintered clay hollow brick has that light weight, intensity is high, insulation, sound insulation and noise reduction performance are good, environmental protection, without dirty The advantages such as dye, are the preferable packing materials of frame structure building.In recent years along with the fast development of building trade, viscous to sintering The performance requirement of soil hollow brick is more and more higher.Sintered clay hollow brick in the market there are still heat preservation and insulation difference Shortcoming, it is impossible to meet the demand in market.
Summary of the invention
It is an object of the invention to provide the excellent low heat conduction sintered clay hollow brick of a kind of heat preservation and insulation and system thereof Preparation Method.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of low heat conduction sintered clay hollow brick, is made up of the raw material of following weight portion: Yellow Phosphorous Slag 23-35, quartz sand mine tailing 18-27, calcium silicates 11-17, kibushi clay 38-49, aluminium silicate 6-12, cinder 16-24, eakleite 15-25, sea mud 24-36, lithium slag 14-22, cement dust 15-20, feldspathic sandstone 10-15, Vermiculitum 20-25, yellow starch gum 9-14, nanoporous dioxy SiClx aeroge 10-15, Concha Ostreae 22-28, hydroxyethyl cellulose 5-10, meerschaum 14-22, sawdust 8-12, zirconium oxide 7- 13, water is appropriate.
The preparation method of a kind of low heat conduction sintered clay hollow brick, comprises the following steps:
(1) by Vermiculitum, lithium slag, Concha Ostreae, zirconium oxide mix homogeneously, pulverize, cross 80-100 mesh sieve, add appropriate water, fully Stir, ball processed, size controlling at 4-6mm, then prepared raw material ball is dried at 85-95 DEG C to moisture content 4% with Under, then dried raw material ball is placed in roasting in microwave oven roaster: first control microwave power in 600-700W, roasting 30-40min, then control microwave power at 850-950W, roasting 15-25min, it is cooled to room temperature, obtains haydite；
(2) by quartz sand mine tailing, aluminium silicate, eakleite, feldspathic sandstone, meerschaum mix homogeneously, it is then fed into turning hammer mineral Fiber pulverizer is pulverized, and obtains primary mineral fibre, is subsequently adding appropriate water stirring and makes the pulpous state ore deposit that concentration is 45-55% Fibres, is subsequently adding and is equivalent to the sodium hexameta phosphate of pulpous state mineral fibres weight 4-7%, the sodium lignin sulfonate of 3-5%, 2-3% Triethanolamine and the polyoxyethylene lauryl ether of 0.5-1%, under the rotating speed of 4000-6000r/min ball milling dispersion 15- 25min, then under the ultrasound wave that power is 600-800W, disperse 10-15min, to filter, washing, drying is placed on and is placed in Muffle furnace Interior roasting: be first warming up to 810-870 DEG C with 8-10 DEG C/min, is incubated 10-15min, then is cooled to 520-580 with 3-5 DEG C/min DEG C, it is incubated 20-30min, is cooled to room temperature, obtains mineral fibres；
(3) by Yellow Phosphorous Slag, kibushi clay, cinder, sea mud, cement dust, sawdust mix homogeneously, add appropriate water and carry out Once stirring, mixing speed is 450-550r/min, and mixing time is 8-12min, still aging 12-36h after stirring, so Raw material after backward ageing adds remaining raw material and haydite that step (1) prepares and the mineral fibres that step (2) prepares enter Row secondary mixes, and mixing speed is 500-700r/min, and mixing time is 10-15min；
(4) compound that step (3) prepares is added in air brick brick press compressing, after the demoulding, adobe is placed in dry kiln In, it is dried at a temperature of 80-100 DEG C to moisture content≤3%, then the adobe dried is sent in sintering oven, at 980-1060 DEG C At a temperature of sinter 2-3h, be cooled to room temperature, be required sintered clay hollow brick.
Beneficial effects of the present invention:
(1) present invention uses the sintering obtained by raw material such as cinder, sawdust, nano porous silicon dioxide aerogel, cement dust Structural clay tile heat conductivity is low, and heat preservation and insulation is good, and intensity is high, and corrosion-resistant, ageing-resistant, seismic stability is good.
(2) present invention use the raw materials such as Vermiculitum, lithium slag, Concha Ostreae, zirconium oxide prepare haydite and quartz sand mine tailing, silicic acid The mineral fibres that the raw materials such as aluminum, eakleite, feldspathic sandstone, meerschaum prepare is the most compound, and staggered gluing forces together, and divides equably It is dispersed in hollow concrete block, the heat conductivity of sintered clay hollow brick can be significantly reduced so that it has the heat insulation guarantor of excellence Warm nature energy, can also improve the corrosion resistance of sintered clay hollow brick, durability and mechanical property simultaneously.
Detailed description of the invention
A kind of low heat conduction sintered clay hollow brick, is made up of the raw material of following weight (kg): Yellow Phosphorous Slag 30, quartz sand tail Ore deposit 24, calcium silicates 13, kibushi clay 45, aluminium silicate 9, cinder 19, eakleite 20, sea mud 33, lithium slag 18, cement Dust 17, feldspathic sandstone 12, Vermiculitum 22, yellow starch gum 10, nano porous silicon dioxide aerogel 13, Concha Ostreae 26, ethoxy are fine Dimension element 8, meerschaum 18, sawdust 10, zirconium oxide 9, water are appropriate.
The preparation method of a kind of low heat conduction sintered clay hollow brick, comprises the following steps:
(1) by Vermiculitum, lithium slag, Concha Ostreae, zirconium oxide mix homogeneously, pulverize, cross 90 mesh sieves, add appropriate water, be sufficiently stirred for Uniformly, ball processed, prepared raw material ball, at 5mm, is then dried to moisture content below 4% at 90 DEG C by size controlling, then will Dried raw material ball is placed in roasting in microwave oven roaster: first control microwave power is at 650W, roasting 35min, then controls micro- Wave power, at 900W, roasting 20min, is cooled to room temperature, obtains haydite；
(2) by quartz sand mine tailing, aluminium silicate, eakleite, feldspathic sandstone, meerschaum mix homogeneously, it is then fed into turning hammer mineral Fiber pulverizer is pulverized, and obtains primary mineral fibre, is subsequently adding appropriate water stirring and makes the pulpous state mineral fibre that concentration is 50% Dimension, is subsequently adding and is equivalent to the sodium hexameta phosphate of pulpous state mineral fibres weight 6%, the sodium lignin sulfonate of 4%, three ethanol of 2.5% Amine and the polyoxyethylene lauryl ether of 0.7%, ball milling dispersion 20min under the rotating speed of 5000r/min, then be 700W's at power Disperseing 12min under ultrasound wave, filter, washing, drying is placed on and is placed in roasting in Muffle furnace: be first warming up to 850 with 9 DEG C/min DEG C, it is incubated 11min, then is cooled to 570 DEG C with 4 DEG C/min, be incubated 24min, be cooled to room temperature, obtain mineral fibres；
(3) by Yellow Phosphorous Slag, kibushi clay, cinder, sea mud, cement dust, sawdust mix homogeneously, add appropriate water and carry out Once stirring, mixing speed is 500r/min, and mixing time is 10min, and still aging 24h after stirring, then to ageing After raw material in add remaining raw material and haydite that step (1) prepares and the mineral fibres that step (2) prepares carry out secondary and mix Closing, mixing speed is 600r/min, and mixing time is 12min；
(4) compound that step (3) prepares is added in air brick brick press compressing, after the demoulding, adobe is placed in dry kiln In, it is dried at a temperature of 90 DEG C to moisture content≤3%, then the adobe dried is sent in sintering oven, burn at a temperature of 1020 DEG C Knot 2h, is cooled to room temperature, is required sintered clay hollow brick.
The main performance testing result of the hollow concrete block that above-described embodiment prepares is as shown in the table:
Detection project Unit Testing result
Apparent density kg/m3 1282
Comprcssive strength MPa 7.4
Heat conductivity W/(m•K) 0.112

Claims (2)

1. one kind low heat conduction sintered clay hollow brick, it is characterised in that be made up of the raw material of following weight portion: Yellow Phosphorous Slag 23- 35, quartz sand mine tailing 18-27, calcium silicates 11-17, kibushi clay 38-49, aluminium silicate 6-12, cinder 16-24, hard silico-calcium Stone 15-25, sea mud 24-36, lithium slag 14-22, cement dust 15-20, feldspathic sandstone 10-15, Vermiculitum 20-25, yellow starch gum 9- 14, nano porous silicon dioxide aerogel 10-15, Concha Ostreae 22-28, hydroxyethyl cellulose 5-10, meerschaum 14-22, sawdust 8-12, zirconium oxide 7-13, water are appropriate.
2. the preparation method of a low heat conduction sintered clay hollow brick as claimed in claim 1, it is characterised in that include following Step:
(1) by Vermiculitum, lithium slag, Concha Ostreae, zirconium oxide mix homogeneously, pulverize, cross 80-100 mesh sieve, add appropriate water, fully Stir, ball processed, size controlling at 4-6mm, then prepared raw material ball is dried at 85-95 DEG C to moisture content 4% with Under, then dried raw material ball is placed in roasting in microwave oven roaster: first control microwave power in 600-700W, roasting 30-40min, then control microwave power at 850-950W, roasting 15-25min, it is cooled to room temperature, obtains haydite；
(2) by quartz sand mine tailing, aluminium silicate, eakleite, feldspathic sandstone, meerschaum mix homogeneously, it is then fed into turning hammer mineral Fiber pulverizer is pulverized, and obtains primary mineral fibre, is subsequently adding appropriate water stirring and makes the pulpous state ore deposit that concentration is 45-55% Fibres, is subsequently adding and is equivalent to the sodium hexameta phosphate of pulpous state mineral fibres weight 4-7%, the sodium lignin sulfonate of 3-5%, 2-3% Triethanolamine and the polyoxyethylene lauryl ether of 0.5-1%, under the rotating speed of 4000-6000r/min ball milling dispersion 15- 25min, then under the ultrasound wave that power is 600-800W, disperse 10-15min, to filter, washing, drying is placed on and is placed in Muffle furnace Interior roasting: be first warming up to 810-870 DEG C with 8-10 DEG C/min, is incubated 10-15min, then is cooled to 520-580 with 3-5 DEG C/min DEG C, it is incubated 20-30min, is cooled to room temperature, obtains mineral fibres；
(3) by Yellow Phosphorous Slag, kibushi clay, cinder, sea mud, cement dust, sawdust mix homogeneously, add appropriate water and carry out Once stirring, mixing speed is 450-550r/min, and mixing time is 8-12min, still aging 12-36h after stirring, so Raw material after backward ageing adds remaining raw material and haydite that step (1) prepares and the mineral fibres that step (2) prepares enter Row secondary mixes, and mixing speed is 500-700r/min, and mixing time is 10-15min；
(4) compound that step (3) prepares is added in air brick brick press compressing, after the demoulding, adobe is placed in dry kiln In, it is dried at a temperature of 80-100 DEG C to moisture content≤3%, then the adobe dried is sent in sintering oven, at 980-1060 DEG C At a temperature of sinter 2-3h, be cooled to room temperature, be required sintered clay hollow brick.
CN201610207272.8A 2016-04-06 2016-04-06 Fired clay hollow brick with low thermal conductivity and preparation method thereof Pending CN105967648A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109336475A (en) * 2018-10-12 2019-02-15 东南大学 A kind of 3D printing alkali-activated carbonatite cementitious material
CN112876225A (en) * 2021-02-08 2021-06-01 新疆硅质耐火材料有限公司 Sintered high-temperature-resistant light heat-insulating material and preparation method thereof
CN115259885A (en) * 2022-08-11 2022-11-01 镇江市雅盛节能环保材料有限公司 Bauxite tailing sintered ceramsite and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN101973750A (en) * 2010-10-21 2011-02-16 童金荣 Inorganic heat-insulating material and preparation method thereof
CN103420666A (en) * 2013-07-26 2013-12-04 和县明生环保材料有限责任公司 Ore tailings ceramsite air brick and preparation method thereof
CN104211361A (en) * 2014-08-15 2014-12-17 五河鼎顺新型建材有限公司 Lithium slag hollow brick and making method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101973750A (en) * 2010-10-21 2011-02-16 童金荣 Inorganic heat-insulating material and preparation method thereof
CN103420666A (en) * 2013-07-26 2013-12-04 和县明生环保材料有限责任公司 Ore tailings ceramsite air brick and preparation method thereof
CN104211361A (en) * 2014-08-15 2014-12-17 五河鼎顺新型建材有限公司 Lithium slag hollow brick and making method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
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CN109336475A (en) * 2018-10-12 2019-02-15 东南大学 A kind of 3D printing alkali-activated carbonatite cementitious material
CN112876225A (en) * 2021-02-08 2021-06-01 新疆硅质耐火材料有限公司 Sintered high-temperature-resistant light heat-insulating material and preparation method thereof
CN115259885A (en) * 2022-08-11 2022-11-01 镇江市雅盛节能环保材料有限公司 Bauxite tailing sintered ceramsite and preparation method thereof
CN115259885B (en) * 2022-08-11 2023-08-01 镇江市雅盛节能环保材料有限公司 Bauxite tailing sintered ceramsite and preparation method thereof

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Application publication date: 20160928