CN106631062A - Rapid cooling and rapid heating resistant refractory brick and preparation method thereof - Google Patents

Rapid cooling and rapid heating resistant refractory brick and preparation method thereof Download PDF

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Publication number
CN106631062A
CN106631062A CN201611175435.5A CN201611175435A CN106631062A CN 106631062 A CN106631062 A CN 106631062A CN 201611175435 A CN201611175435 A CN 201611175435A CN 106631062 A CN106631062 A CN 106631062A
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parts
refractory brick
cooled
rapid
well mixed
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晋元龙
陈德全
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Ma'an Mountain Bao Long Building Material Co Ltd
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Ma'an Mountain Bao Long Building Material Co Ltd
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    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • C—CHEMISTRY; METALLURGY
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    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
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    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
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    • C04B33/00—Clay-wares
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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
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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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
    • C04B2235/32—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
    • C04B2235/3248—Zirconates or hafnates, e.g. zircon
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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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    • C04B2235/02—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
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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
    • C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
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    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
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    • C04B2235/36—Glass starting materials for making ceramics, e.g. silica glass
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    • C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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    • 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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Abstract

The invention discloses a rapid cooling and rapid heating resistant refractory brick and a preparation method thereof. The rapid cooling and rapid heating resistant refractory brick is prepared from the following raw materials in parts by weight: 23 to 34 parts of diatomite, 39 to 52 parts of mountain clay, 27 to 39 parts of Li-based bentonite, 35 to 45 parts of chlorite, 22 to 33 parts of spodumene, 18 to 32 parts of foam glass waste materials, 14 to 27 parts of pseudo-boehmite, 15 to 25 parts of fused silica, 11 to 19 parts of porous calcium silicate, 25 to 40 parts of salty mud, 13 to 26 parts of illite, 5 to 10 parts of aluminum zirconate and 10 to 15 parts of glass micro beads. Through the added raw materials of the foam glass waste materials, the fused silica, the porous calcium silicate, the aluminum zirconate, the glass micro bead and the like, the rapid cooling and rapid heating resistant performance of the refractory brick can be obviously improved; the problem of brick body peeling due to sharp temperature change can be solved. The prepared refractory brick has excellent rapid cooling and rapid heating resistant performance, excellent wear-resistant performance and excellent peeling-resistant performance.

Description

A kind of refractory brick of resistance to rapid heat cycle and preparation method thereof
Technical field
The present invention relates to a kind of refractory brick of resistance to rapid heat cycle and preparation method thereof, belongs to fire resisting material field.
Background technology
Refractory brick is a kind of construction material brick class, its attribute " fire resisting " as its name.It is with refractory clay or The refractory material that other refractory raw materials are fired into, can at high temperature be amenable to various physicochemical changes and mechanism.It is resistance to Firebrick is not common in our life, but occurs in some live closely bound up building with us, such as house Building, kiln building, Thermal Equipment etc..
Patent No.：201510494613.X patent of invention disclose a kind of production of utilization gangue foamed heat insulating it is resistance to Firebrick and preparation method thereof, its raw material composition is 40～60 parts of gangue, 30～50 parts of bauxite gangue, powder by weight ratio 2～15 parts of coal ash, 0～15 part of silica sand, 0～1 part of lignosulfite.One kind that the invention is provided is main using gangue Foamed heat insulating refractory brick of raw material production and preparation method thereof, although solve light-weight refractory insulating brick on domestic market resistance to Fiery degree is low, be molded the problem of poor, low intensity and high cost, but the fast development and economic level with science and technology is not It is disconnected to improve, the heat impact strength of refractory brick is put forward higher requirement, a kind of heat impact strength is needed on market More excellent refractory brick.
The content of the invention
Present invention aim at providing a kind of refractory brick of resistance to rapid heat cycle and preparation method thereof.
In order to realize upper purpose, the present invention is adopted the following technical scheme that：
A kind of refractory brick of resistance to rapid heat cycle, is made up of the raw material of following weight portion：Diatomite 23-34, minishanny 39-52, lithium soap soil 27-39, chlorite 35-45, spodumene 22-33, foam glass waste material 18-32, boehmite 14-27, vitreous silica 15- 25th, porous calcium silicate 11-19, salt slurry 25-40, illite 13-26, zirconic acid aluminium 5-10, glass bead 10-15.
A kind of preparation method of the refractory brick of resistance to rapid heat cycle, is made up of the following steps：
（1）Diatomite, spodumene, illite are well mixed, are crushed, cross 50-100 mesh sieves, added equivalent to mixed-powder matter The sodium carbonate of amount 40-45% and the sodium nitrate of 35-40%, 400-500r/min dry ball milling 30-40min, then at 850-900 DEG C At a temperature of calcine 2-4h, be cooled to room temperature；
（2）Chlorite, boehmite are well mixed, are crushed, cross 50-100 mesh sieves, add step（1）Powder after calcining, It is well mixed, adds the sodium chloride of sodium sulphate equivalent to mixed-powder quality 35-40% and 30-35%, 500-600r/min Dry ball milling 20-30min, then the heating using microwave 3-5h under the power of 300-600W, then the microwave under the power of 400-700W Heating 4-6h, then the heating using microwave 2-4h under the power of 700-1000W, are cooled to room temperature, use distilled water washes clean, are dried；
（3）Porous calcium silicate, foam glass waste material, vitreous silica, zirconic acid aluminium, glass bead are well mixed, are crushed, cross 80- 120 mesh sieves, are subsequently adding appropriate water, stir so that the moisture control of compound adds step in 35-40% （2）The raw material such as obtained powder and minishanny, salt slurry, lithium soap soil, stirs；
（4）By step（3）Obtained wet feed is added to compressing in brickmaking machine, and briquetting pressure is 24-28MPa；Then will be into Wet base natural curing 20-25h after type, then be dried to moisture content≤3% at a temperature of 110-120 DEG C；
（5）By step（4）Dry adobe, to 890-940 DEG C, is incubated 4-5h with the ramp of 6-9 DEG C/min, then with 3-5 DEG C/speed of min is cooled to 360-420 DEG C, is incubated 2-3h, then with the ramp of 5-7 DEG C/min to 940-980 DEG C, insulation 4-5h, then with the ramp of 4-6 DEG C/min to 1450-1490 DEG C, 5-6h is incubated, it is cooled to normal temperature.
Beneficial effects of the present invention：
（1）The present invention diatomite, spodumene, illite are calcined under the fused salt of sodium carbonate and sodium nitrate first, then again with Chlorite, boehmite mixing, the composite granule that microwave calcination is obtained under the fused salt of sodium sulphate and sodium chloride has excellent Fire resistance, add in brick as raw material, can notable refractory brick refractoriness；
（2）The raw materials such as foam glass waste material, vitreous silica, porous calcium silicate, zirconic acid aluminium, the glass bead of present invention addition, can Significantly improving the heat impact strength of refractory brick, it is to avoid temperature drastically changes and causes the problem that brick body peels off.This Bright obtained refractory brick has excellent resistance to thermal shocks, wearability and resistance to flaking.
Specific embodiment
A kind of refractory brick of resistance to rapid heat cycle, by following weight（kg）Raw material make：Diatomite 29, minishanny 46, lithium soap soil 33rd, chlorite 40, spodumene 28, foam glass waste material 24, boehmite 21, vitreous silica 20, porous calcium silicate 16, salt slurry 33rd, illite 19, zirconic acid aluminium 8, glass bead 12.
A kind of preparation method of the refractory brick of resistance to rapid heat cycle, is made up of the following steps：
（1）Diatomite, spodumene, illite are well mixed, are crushed, cross 80 mesh sieves, added equivalent to mixed-powder quality 42% Sodium carbonate and 38% sodium nitrate, 450r/min dry ball milling 35min, then calcine 3h at a temperature of 880 DEG C, be cooled to Room temperature；
（2）Chlorite, boehmite are well mixed, are crushed, cross 80 mesh sieves, add step（1）Powder after calcining, mixing Uniformly, the sodium sulphate and 32% sodium chloride equivalent to mixed-powder quality 38% is added, 550r/min dry ball milling 25min, Then the heating using microwave 4h under the power of 450W, then the heating using microwave 5h under the power of 600W, then the microwave under the power of 900W Heating 3h, is cooled to room temperature, uses distilled water washes clean, is dried；
（3）Porous calcium silicate, foam glass waste material, vitreous silica, zirconic acid aluminium, glass bead are well mixed, are crushed, cross 100 Mesh sieve, is subsequently adding appropriate water, stirs so that the moisture control of compound adds step 37%（2）It is obtained Powder and the raw material such as minishanny, salt slurry, lithium soap soil, stir；
（4）By step（3）Obtained wet feed is added to compressing in brickmaking machine, and briquetting pressure is 26MPa；Then after being molded Wet base natural curing 22h, then at a temperature of 115 DEG C be dried to moisture content≤3%；
（5）By step（4）Dry adobe, to 920 DEG C, is incubated 4h with the ramp of 8 DEG C/min, then with the speed of 4 DEG C/min 390 DEG C are cooled to, 2.5h is incubated, then with the ramp of 6 DEG C/min to 960 DEG C, are incubated 4h, then with the speed liter of 5 DEG C/min Temperature is incubated 5h to 1470 DEG C, is cooled to normal temperature.
The main performance testing result of refractory brick obtained in above-described embodiment is as shown in the table：
Project Unit Testing result
Refractoriness ℃ 1830
Compressive resistance MPa 75
Rupture strength MPa 23
Refractoriness under load（T0.6） ℃ 1755
Thermal shock resistance（1100 DEG C, water-cooled） It is secondary 36

Claims (2)

1. a kind of refractory brick of resistance to rapid heat cycle, it is characterised in that be made up of the raw material of following weight portion：Diatomite 23-34, minishanny 39-52, lithium soap soil 27-39, chlorite 35-45, spodumene 22-33, foam glass waste material 18-32, boehmite 14-27, Vitreous silica 15-25, porous calcium silicate 11-19, salt slurry 25-40, illite 13-26, zirconic acid aluminium 5-10, glass bead 10-15.
2. a kind of preparation method of the as claimed in claim 1 refractory brick of resistance to rapid heat cycle, it is characterised in that by the following steps group Into：
（1）Diatomite, spodumene, illite are well mixed, are crushed, cross 50-100 mesh sieves, added equivalent to mixed-powder matter The sodium carbonate of amount 40-45% and the sodium nitrate of 35-40%, 400-500r/min dry ball milling 30-40min, then at 850-900 DEG C At a temperature of calcine 2-4h, be cooled to room temperature；
（2）Chlorite, boehmite are well mixed, are crushed, cross 50-100 mesh sieves, add step（1）Powder after calcining End, is well mixed, and adds the sodium chloride of sodium sulphate equivalent to mixed-powder quality 35-40% and 30-35%, 500-600r/ Min dry ball milling 20-30min, then the heating using microwave 3-5h under the power of 300-600W, then under the power of 400-700W it is micro- Wave heating 4-6h, then the heating using microwave 2-4h under the power of 700-1000W, are cooled to room temperature, use distilled water washes clean, do It is dry；
（3）Porous calcium silicate, foam glass waste material, vitreous silica, zirconic acid aluminium, glass bead are well mixed, are crushed, cross 80- 120 mesh sieves, are subsequently adding appropriate water, stir so that the moisture control of compound adds step in 35-40% （2）The raw material such as obtained powder and minishanny, salt slurry, lithium soap soil, stirs；
（4）By step（3）Obtained wet feed is added to compressing in brickmaking machine, and briquetting pressure is 24-28MPa；Then will be into Wet base natural curing 20-25h after type, then be dried to moisture content≤3% at a temperature of 110-120 DEG C；
（5）By step（4）Dry adobe, to 890-940 DEG C, is incubated 4-5h with the ramp of 6-9 DEG C/min, then with 3-5 DEG C/speed of min is cooled to 360-420 DEG C, is incubated 2-3h, then with the ramp of 5-7 DEG C/min to 940-980 DEG C, insulation 4-5h, then with the ramp of 4-6 DEG C/min to 1450-1490 DEG C, 5-6h is incubated, it is cooled to normal temperature.
CN201611175435.5A 2016-12-19 2016-12-19 Rapid cooling and rapid heating resistant refractory brick and preparation method thereof Pending CN106631062A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112645721A (en) * 2020-12-23 2021-04-13 山东乐鹏新材料有限公司 Refractory material for high-temperature kiln and preparation method thereof

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CN102211164A (en) * 2011-05-13 2011-10-12 无锡德乾能源设备有限公司 Application of refractory brick in casting field
CN105967696A (en) * 2016-04-06 2016-09-28 安徽宏发节能设备有限公司 Fireproof fired clay hollow brick and preparation method thereof
CN106082987A (en) * 2016-06-12 2016-11-09 安徽省亚欧陶瓷有限责任公司 A kind of ceramic tile with pyroelectric effect and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN102211164A (en) * 2011-05-13 2011-10-12 无锡德乾能源设备有限公司 Application of refractory brick in casting field
CN105967696A (en) * 2016-04-06 2016-09-28 安徽宏发节能设备有限公司 Fireproof fired clay hollow brick and preparation method thereof
CN106082987A (en) * 2016-06-12 2016-11-09 安徽省亚欧陶瓷有限责任公司 A kind of ceramic tile with pyroelectric effect and preparation method thereof

Non-Patent Citations (1)

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Title
丁军等: "熔盐介质中制备镁橄榄石轻质材料的机理", 《硅酸盐通报》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112645721A (en) * 2020-12-23 2021-04-13 山东乐鹏新材料有限公司 Refractory material for high-temperature kiln and preparation method thereof

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