CN106542832A - A kind of glass furnace refractory brick and preparation method thereof - Google Patents
A kind of glass furnace refractory brick and preparation method thereof Download PDFInfo
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- CN106542832A CN106542832A CN201610884552.2A CN201610884552A CN106542832A CN 106542832 A CN106542832 A CN 106542832A CN 201610884552 A CN201610884552 A CN 201610884552A CN 106542832 A CN106542832 A CN 106542832A
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Classifications
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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
- 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
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/42—Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls
- C03B5/43—Use of materials for furnace walls, e.g. fire-bricks
-
- 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
-
- 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
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a kind of glass furnace refractory brick and preparation method thereof, which is made up of the raw material of following weight portion：Portland-pozzolan cement 36 48, hydroxypropyl TQ gums 13 21, cerium oxide nano hollow ball 5 10, fluorite mine tailing 23 44, Ultra Tex 28 13, discarded calcium silicate board with microporous 19 33, Desert Sand 22 36, useless silicon rubber cracking slag 26 39, polyacrylamide 10 15, glass furnace dust 18 32, stove ash 16 24, sub-white corundum section sand 15 25.The present invention has excellent corrosion resistance using the refractory brick made by raw material such as cerium oxide nano hollow ball, discarded calcium silicate board with microporous, sub-white corundum section sand to glass, it is not result in the glass defects such as bubble, gravel, streak knot, coloring, glass solution is polluted less, also have fire resistance good, the advantages of high mechanical strength, good impact resistance.
Description
Technical field
The present invention relates to a kind of glass furnace refractory brick and preparation method thereof, belongs to fire resisting material field.
Background technology
Refractory brick is the refractory material with definite shape and size being fired into refractory clay or other refractory raw materials,
It is resistant to 1580 DEG C -1770 DEG C of high temperature.Divide by process of preparing can be divided into be fired into bricks, unburned brick, fused cast refractories (founding
Brick), refratory insulating brick；Standard size brick, common brick, special shaped brick etc. can be divided into by shape and size.Refractory brick can be used as building
The high temperature construction material of kiln and various Thermal Equipments and structural material, and be amenable at high temperature various physicochemical change and
Mechanism.
Glass furnace is made up of fusion tank, cooling (operation) groove, front groove, four parts of regenerator, and the raw material of input passes through
On the one hand fusion tank, cooling bath, front groove carry out melting, froth breaking, clarify, homogenize, on the other hand by being connected in behind front groove
After forming machine molding, Jing slow cooling becomes final products.In addition, it is connected to the storage of the air outlet portion of the side or rear of fusion tank
In hot cell, used heat is reclaimed by space refractory brick.The consumption of refractory material has very big difference because of the difference at place position, affects
The refractory brick for mainly contacting with glass in fusion tank and the corrosion resistance of regenerator refractory brick in glass furnace life-span.
In recent years, domestic refractory brick production technology quickly grows, and occurs in that species is various, different properties fire resistings on market
Brick.China Patent No. is：200710062457.5 patent of invention disclose a kind of silica heat-proof firebrick, refractory brick of the present invention
By Silicon stone fine powder 81-85%, perlite 15-19%, the additional following adjuvant for accounting for above-mentioned main material gross weight：Iron scale powder 0.45-
0.55%, cement 0.9-1.1%, lime cream 6.5-7.5%, paper pulp 1.95-2.2% are constituted, and preparation technology is：Silicon stone is thin
Powder, perlite are proportionally added in wet stone roller, are subsequently adding iron scale powder, after cement dry milling 1-2 minute, added and account for main material gross weight
The water of 1.8-2.2%, is subsequently adding lime cream, rolls 10-15 minutes, is eventually adding paper pulp, rolls 10-15 minutes, goes out to grind, into
Type base.Although existing clay insulating refractory block is solved using refractory brick obtained in above-mentioned raw materials and technique and there is loading change
Easily shrink under shape temperature low and high temperature, the defect such as thermal conductivity is larger, heat insulation effect is bad, but its fire resistance and corrosion resistance and state
Outer refractory brick compares, and still suffers from larger gap, it is impossible to meet the demand of export market.
The content of the invention
The technical problem to be solved is to provide a kind of glass furnace refractory brick of corrosion resistance excellent and its preparation
Method.
In order to solve the above problems, the present invention is adopted the following technical scheme that：
A kind of glass furnace refractory brick, is made up of the raw material of following weight portion：Portland-pozzolan cement 36-48, hydroxypropyl
It is base sesbania gum 13-21, cerium oxide nano hollow ball 5-10, fluorite mine tailing 23-44, Ultra Tex 2 8-13, discarded
Calcium silicate board with microporous 19-33, Desert Sand 22-36, useless silicon rubber cracking slag 26-39, polyacrylamide 10-15, glass furnace dust 18-32,
Stove ash 16-24, sub-white corundum section sand 15-25.
A kind of preparation method of glass furnace refractory brick, is made up of the following steps：
(1) by fluorite mine tailing, useless silicon rubber cracking slag, glass furnace dust, stove ash mix homogeneously, crush, cross 50-80 mesh
Sieve, 840-890 DEG C of calcining 1-2h, is cooled to room temperature, 500-600r/min dry ball milling 25-35min, then according to solid-to-liquid ratio 1：
Powder after ball milling is added in the sulfuric acid solution that mass fraction is 25% by 6-8, heating in water bath to 75-85 DEG C, heat-insulation soaking
0.5-1.5h, stands cooled and filtered, and filtering residue is washed with water to neutrality, according to solid-to-liquid ratio 1：Filtering residue after washing is added by 5-7
To mass fraction be 20% sodium hydroxide solution in, be heated to 70-80 DEG C, heat-insulation soaking 1-2h, stand cooled and filtered, filter
Liquid be passed through carbon dioxide to pH be 8-9 when, close carbon dioxide, still aging 4-5h is filtered, and residue washing is clean, dries
Dry, 720-770 DEG C of temperature calcining 0.5-1h is cooled to room temperature, stand-by；
(2) according to mass ratio 1:Raw material obtained in step (1) is mixed by 4-6 with the Alumina gel that solid content is 20%, fully
Stir, add the sodium hexameta phosphate of the polyvinyl alcohol and 5-10% equivalent to stock quality 8-14%, 700-800r/
Min dry ball milling 8-12min, then vacuum be 2-4Pa, temperature be -60～-90 DEG C under conditions of lyophilization 20-
40h, then in air atmosphere with the ramp of 8-10 DEG C/min to 1120-1180 DEG C, 2-3h is incubated, then with 3-6 DEG C/min
Speed be cooled to 580-640 DEG C, be incubated 4-5h, then with the ramp of 6-8 DEG C/min to 1390-1430 DEG C, be incubated 1.5-
2.5h, then 790-860 DEG C is cooled to the speed of 4-7 DEG C/min, 3-4h is incubated, room temperature is cooled to, is obtained refractory matter；
(3) by discarded calcium silicate board with microporous, Desert Sand, sub-white corundum section sand mix homogeneously, crush, with step excessively after 40-70 mesh sieves
(2) refractory matter obtained in carries out dry-mixed, mixing 3-6min, is subsequently adding appropriate water, and adds remaining material to carry out wet mixing, mixes
Close 2-4min；
(4) will be compressing in compound addition mould obtained in step (3), briquetting pressure is 15-25MPa, is taken off
Solarization water curing is carried out after mould, 7-9h is conserved once, conserved 8-12 days, then natural ring maintenance.
Beneficial effects of the present invention：
(1) present invention is by extracting from the raw material such as fluorite mine tailing, useless silicon rubber cracking slag, glass furnace dust, stove ash
Silicon dioxide, then coordinates Alumina gel to carry out lyophilization and high-temperature calcination, can obtain resistance to mullite as main component
Fire material, the refractory matter are added in brick, can greatly improve the fire resistance of refractory brick so that refractory brick remains to keep at high temperature
Excellent combination property, while realizing the solid slags such as fluorite mine tailing, useless silicon rubber cracking slag, glass furnace dust, stove ash
Renewable resources utilize, with important economic benefit and social benefit；
(2) present invention is using the fire resisting made by raw material such as cerium oxide nano hollow ball, discarded calcium silicate board with microporous, sub-white corundum section sand
Brick has excellent corrosion resistance to glass, is not result in the glass defects such as bubble, gravel, streak knot, coloring, less pollutes glass
The advantages of glass solution, also good with fire resistance, high mechanical strength, good impact resistance.
Specific embodiment
A kind of glass furnace refractory brick, is made up of the raw material of following weight (kg)：Portland-pozzolan cement 41, hydroxypropyl
Sesbania gum 17, cerium oxide nano hollow ball 8, fluorite mine tailing 32, Ultra Tex 2 10, discarded calcium silicate board with microporous 24, desert
Sand 30, useless silicon rubber cracking slag 33, polyacrylamide 12, glass furnace dust 24, stove ash 20, sub-white corundum section sand 20.
A kind of preparation method of glass furnace refractory brick, is made up of the following steps：
(1) by fluorite mine tailing, useless silicon rubber cracking slag, glass furnace dust, stove ash mix homogeneously, crush, cross 70 mesh sieves,
860 DEG C of calcining 1.5h, are cooled to room temperature, 550r/min dry ball milling 30min, then according to solid-to-liquid ratio 1：7 by the powder after ball milling
End is added in the sulfuric acid solution that mass fraction is 25%, and to 80 DEG C, heat-insulation soaking 1h stands cooled and filtered to heating in water bath,
Filtering residue is washed with water to neutrality, according to solid-to-liquid ratio 1：6 the filtering residue after washing is added to the sodium hydroxide that mass fraction is 20%
In solution, 75 DEG C are heated to, heat-insulation soaking 1.5h stands cooled and filtered, and it is 8.5 that filtrate is passed through carbon dioxide to pH
When, carbon dioxide is closed, still aging 4h is filtered, and residue washing is clean, drying, 750 DEG C of temperature calcining 1h, is cooled to room temperature, is treated
With；
(2) according to mass ratio 1:Raw material obtained in step (1) is mixed by 5 with the Alumina gel that solid content is 20%, is fully stirred
Mix uniform, add polyvinyl alcohol equivalent to stock quality 11% and 8% sodium hexameta phosphate, 750r/min dry ball millings
10min, then vacuum be 3Pa, temperature be -70 DEG C under conditions of lyophilization 30h, then in air atmosphere with 9 DEG C/
The ramp of min is incubated 2.5h, then is cooled to 610 DEG C with the speed of 5 DEG C/min to 1160 DEG C, is incubated 4h, then with 7 DEG C/
The ramp of min is incubated 2h, then is cooled to 820 DEG C with the speed of 6 DEG C/min to 1410 DEG C, is incubated 3h, is cooled to room temperature,
Obtain refractory matter；
(3) by discarded calcium silicate board with microporous, Desert Sand, sub-white corundum section sand mix homogeneously, crush, with step (2) after 50 mesh sieves excessively
Obtained refractory matter carries out dry-mixed, mixing 4min, is subsequently adding appropriate water, and adds remaining material to carry out wet mixing, mixes
3min；
(4) will be compressing in compound addition mould obtained in step (3), briquetting pressure is 20MPa, after the demoulding
Solarization water curing is carried out, 8h is conserved once, conserved 10 days, then natural ring maintenance.
The performance test results of refractory brick obtained in above-described embodiment are as follows compared with external refractory brick performance parameter
Shown in table：
| External refractory brick | The refractory brick of above-described embodiment production | |
| Refractoriness, DEG C | 1815 | 1855 |
| Corrosion resistance | To glass non-corrosiveness | To glass non-corrosiveness |
Claims (2)
1. a kind of glass furnace refractory brick, it is characterised in that be made up of the raw material of following weight portion：Portland-pozzolan cement
36-48, hydroxypropyl TQ gums 13-21, cerium oxide nano hollow ball 5-10, fluorite mine tailing 23-44, Ultra Tex 2
8-13, discarded calcium silicate board with microporous 19-33, Desert Sand 22-36, useless silicon rubber cracking slag 26-39, polyacrylamide 10-15, glass furnace powder
Dirt 18-32, stove ash 16-24, sub-white corundum section sand 15-25.
2. a kind of preparation method of glass furnace refractory brick as claimed in claim 1, it is characterised in that by the following steps group
Into：
（1）By fluorite mine tailing, useless silicon rubber cracking slag, glass furnace dust, stove ash mix homogeneously, crush, cross 50-80 mesh sieves,
840-890 DEG C of calcining 1-2h, is cooled to room temperature, 500-600r/min dry ball milling 25-35min, then according to solid-to-liquid ratio 1：6-8
Powder after ball milling is added in the sulfuric acid solution that mass fraction is 25%, heating in water bath to 75-85 DEG C, heat-insulation soaking 0.5-
1.5h, stands cooled and filtered, and filtering residue is washed with water to neutrality, according to solid-to-liquid ratio 1：Filtering residue after washing is added to matter by 5-7
During amount fraction is 20% sodium hydroxide solution, 70-80 DEG C is heated to, heat-insulation soaking 1-2h stands cooled and filtered, and filtrate is led to
Enter carbon dioxide to pH be 8-9 when, close carbon dioxide, still aging 4-5h is filtered, and residue washing is clean, drying,
720-770 DEG C of temperature calcining 0.5-1h, is cooled to room temperature, stand-by；
（2）According to mass ratio 1:4-6 is by step（1）Obtained raw material is mixed with the Alumina gel that solid content is 20%, is sufficiently stirred for
It is even, add the sodium hexameta phosphate of the polyvinyl alcohol and 5-10% equivalent to stock quality 8-14%, 700-800r/min dry method balls
Mill 8-12min, then vacuum be 2-4Pa, temperature be lyophilization 20-40h under conditions of -60 ~ -90 DEG C, then in air
With the ramp of 8-10 DEG C/min to 1120-1180 DEG C under atmosphere, 2-3h is incubated, then is cooled to the speed of 3-6 DEG C/min
580-640 DEG C, 4-5h is incubated, then with the ramp of 6-8 DEG C/min to 1390-1430 DEG C, is incubated 1.5-2.5h, then with 4-7
DEG C/speed of min is cooled to 790-860 DEG C, 3-4h is incubated, room temperature is cooled to, is obtained refractory matter；
（3）By discarded calcium silicate board with microporous, Desert Sand, sub-white corundum section sand mix homogeneously, crush, with step excessively after 40-70 mesh sieves（2）System
The refractory matter for obtaining carries out dry-mixed, mixing 3-6min, is subsequently adding appropriate water, and adds remaining material to carry out wet mixing, mixes 2-
4min；
（4）By step（3）Compressing in obtained compound addition mould, briquetting pressure is 15-25MPa, after the demoulding
Solarization water curing is carried out, 7-9h is conserved once, conserved 8-12 days, then natural ring maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610884552.2A CN106542832A (en) | 2016-10-10 | 2016-10-10 | A kind of glass furnace refractory brick and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610884552.2A CN106542832A (en) | 2016-10-10 | 2016-10-10 | A kind of glass furnace refractory brick and preparation method thereof |
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| CN106542832A true CN106542832A (en) | 2017-03-29 |
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| CN201610884552.2A Pending CN106542832A (en) | 2016-10-10 | 2016-10-10 | A kind of glass furnace refractory brick and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114656273A (en) * | 2022-02-25 | 2022-06-24 | 苏州大学 | Mullite porous ceramic prepared by using secondary aluminum ash and process method thereof |
| CN114656251A (en) * | 2022-02-25 | 2022-06-24 | 苏州大学 | Mullite ceramic prepared from fluorite tailings and process method thereof |
| CN115894052A (en) * | 2022-09-20 | 2023-04-04 | 宜兴市隆昌耐火材料有限公司 | Wear-resistant and fire-resistant new material for preheater outside kiln and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037345A (en) * | 2007-02-15 | 2007-09-19 | 中国科学院上海硅酸盐研究所 | Method for preparing mullite porous ceramic by gel refrigeration drying process |
| 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 |
| CN105967629A (en) * | 2016-04-06 | 2016-09-28 | 安徽鑫润新型材料有限公司 | Cement hollow brick with high seismic resistance and preparation method thereof |
-
2016
- 2016-10-10 CN CN201610884552.2A patent/CN106542832A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037345A (en) * | 2007-02-15 | 2007-09-19 | 中国科学院上海硅酸盐研究所 | Method for preparing mullite porous ceramic by gel refrigeration drying process |
| 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 |
| CN105967629A (en) * | 2016-04-06 | 2016-09-28 | 安徽鑫润新型材料有限公司 | Cement hollow brick with high seismic resistance and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114656273A (en) * | 2022-02-25 | 2022-06-24 | 苏州大学 | Mullite porous ceramic prepared by using secondary aluminum ash and process method thereof |
| CN114656251A (en) * | 2022-02-25 | 2022-06-24 | 苏州大学 | Mullite ceramic prepared from fluorite tailings and process method thereof |
| CN115894052A (en) * | 2022-09-20 | 2023-04-04 | 宜兴市隆昌耐火材料有限公司 | Wear-resistant and fire-resistant new material for preheater outside kiln and preparation method thereof |
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Application publication date: 20170329 |