CN107298585A - A kind of refractory brick and preparation method thereof - Google Patents
A kind of refractory brick and preparation method thereof Download PDFInfo
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- CN107298585A CN107298585A CN201710499993.5A CN201710499993A CN107298585A CN 107298585 A CN107298585 A CN 107298585A CN 201710499993 A CN201710499993 A CN 201710499993A CN 107298585 A CN107298585 A CN 107298585A
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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
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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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0038—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter
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- 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
- C04B2235/02—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
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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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
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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
- 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
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- 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
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
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- Inorganic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The present invention relates to a kind of refractory brick and preparation method thereof, by carrying out dispensing by the component of following mass parts：40 45 parts of refractory aggregate；30 35 parts of middle material；10 15 parts of refractory powder；5 10 parts of amino carboxylic acid quasi-chelate compound；58 parts of bonding agent；5 15 parts of bauxite.The present invention using waste and old electroceramics as refractory brick raw material, it is avoided to pollute environment, during refractory brick is prepared, the addition of refractory powder is down to below 15wt%, the energy consumption produced by powder grinding is effectively reduced, economic benefit is added, while on the premise of the good consistency of refractory brick is ensured, the intensity and heat endurance of refractory material are added, is had a good application prospect.
Description
Technical field
The present invention relates to refractory material preparation field, and in particular to a kind of refractory brick and preparation method thereof.
Background technology
Waste and old electroceramics is handled as industrial refuse always for a long time, has not only been polluted environment but also has been caused waste, if will
Waste and old electroceramics, which is used, substitutes the raw material that grog is used as production refractory brick, then can solve above-mentioned two problems simultaneously.
, it is necessary to by aggregate and powder mixed preparing raw material in the preparation process of traditional amorphous refractory.Powder one
As play a part of under high temperature action be coupled or cementing refractory aggregate, be allowed to obtain high-temperature physics mechanical property and performance.
Due to the gap for essentially consisting in filling refractory aggregate of powder, thus in traditional preparation method, its demand is more, typically
In more than the 20wt% of raw material total amount.But the particle diameter of powder is generally less than 0.088mm, by waste and old electroceramics crushing grinding to being less than
More energy is consumed during 0.088mm, higher energy consumption is generated, have impact on economic benefit.
The content of the invention
In view of the deficiencies in the prior art, will it is an object of the invention to provide a kind of preparation method of refractory brick
The addition of refractory powder is down to below 15wt%, effectively reduces the energy consumption produced by powder grinding, adds economic effect
Benefit.
In a first aspect, the present invention provides a kind of refractory brick, the refractory brick is made by mass parts by following components：
The present invention adds amino carboxylic acid quasi-chelate compound in the raw material of refractory brick, and the addition of the chelating agent can make aggregate
Complexing is produced between aggregate, aggregate and powder, while synergy is produced with phosphoric acid and/or phosphoric acid salt bonding agent,
Promote refractory aggregate and refractory powder fully cementing, compensate for causing refractory aggregate loosely organized because refractory powder is not enough, cause
The problem of density is not enough.Also, amino carboxylic acid quasi-chelate compound can also coordinate with bonding agent, further increase refractory material
Intensity and heat endurance.
According to the present invention, the content of the refractory aggregate is 40-45 parts, for example can be 40 parts, 41 parts, 42 parts, 43 parts,
Specific point value between 44 parts or 45 parts, and above-mentioned numerical value, as space is limited and for concise consideration, no longer limit of the invention
Enumerate the specific point value that the scope includes.
According to the present invention, the content of the middle material is 30-35 parts, for example can be 30 parts, 31 parts, 32 parts, 33 parts, 34
Part or the specific point value between 35 parts, and above-mentioned numerical value, as space is limited and for concise consideration, the present invention no longer limit is arranged
Lift the specific point value that the scope includes.
The particle diameter of the middle material is intermediate particle between refractory aggregate and refractory powder, and serving prevents from being cracked, changes
The effect of kind surface quality.Generally, the addition of intermediate particle is between 10-20%, and its addition can excessively be caused
The adverse effects such as heat endurance reduction.For the present invention, due to the complexing of amino carboxylic acid quasi-chelate compound, in the middle of part
Can be fully cementing between particle, play a part of aggregate, thus can be appropriate increase its usage amount.
According to the present invention, the content of the refractory powder is 10-15 parts, for example can be 10 parts, 11 parts, 12 parts, 13 parts,
Specific point value between 14 parts or 15 parts, and above-mentioned numerical value, as space is limited and for concise consideration, no longer limit of the invention
Enumerate the specific point value that the scope includes.
According to the present invention, the content of the amino carboxylic acid quasi-chelate compound is 5-10 parts, for example can be 5 parts, 6 parts, 7 parts, 8
Part, 9 parts or the specific point value between 10 parts, and above-mentioned numerical value, as space is limited and for concise consideration, the present invention is no longer poor
The specific point value that the scope includes is enumerated to the greatest extent.
According to the present invention, the content of the bonding agent is 5-8 parts, for example, can be 5 parts, 6 parts, 7 parts or 8 parts, Yi Jishang
The specific point value between numerical value is stated, as space is limited and for concise consideration, no longer scope described in exclusive list of the invention includes
Specific point value.
According to the present invention, the content of the bauxite is 5-15 parts, for example can be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10
Part, 11 parts, 12 parts, 13 parts, 14 parts or the specific point value between 15 parts, and above-mentioned numerical value, as space is limited and for simplicity
Consider, the present invention specific point value that no longer scope described in exclusive list includes.
As preferred technical scheme, the refractory brick is made by mass parts by following components：
As further preferred technical scheme, the refractory brick is made by mass parts by following components：
According to the present invention, the refractory aggregate, middle material and refractory powder are waste and old high tension insulator.
According to the present invention, the particle diameter ＞ 0.5mm of the refractory aggregate, for example can be 0.51mm, 0.6mm, 0.7mm,
Tool between 0.8mm, 0.9mm, 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 3.5mm, 4mm or 5mm, and above-mentioned numerical value
Body point value and other point values more than 5mm, as space is limited and for concise consideration, scope of the invention no longer described in exclusive list
Including specific point value.
According to the present invention, the particle diameter of the middle material is 0.088-0.5mm, for example can be 0.088mm, 0.09mm,
Between 0.1mm, 0.15mm, 0.2mm, 0.25mm, 0.3mm, 0.35mm, 0.4mm, 0.45mm or 0.5mm, and above-mentioned numerical value
Specific point value, as space is limited and for concise consideration, the present invention specific point value that no longer scope described in exclusive list includes.
According to the present invention, the particle diameter of the refractory powder<0.088mm, for example can be 0.0001mm, 0.001mm,
0.01mm, 0.02mm, 0.03mm, 0.04mm, 0.05mm, 0.06mm, 0.07mm, 0.08mm or 0.087mm, and above-mentioned number
Specific point value between value, as space is limited and for concise consideration, the present invention tool that no longer scope described in exclusive list includes
Body point value.
According to the present invention, the amino carboxylic acid quasi-chelate compound is ethylenediamine tetra-acetic acid, ammonia river triacetic acid, diethylentriamine five
In diacid or N- beta-hydroxy ethyl-3-acetic acid ethylenediamines any one or at least two combination, for example can be ethylenediamine tetraacetic
Any one in acetic acid, ammonia river triacetic acid, the diacid of diethylentriamine five or N- beta-hydroxy ethyl-3-acetic acid ethylenediamines, typical case but
It is infinite to be combined as：Ethylenediamine tetra-acetic acid and ammonia river triacetic acid；The diacid of diethylentriamine five and N- beta-hydroxy ethylethylenediamines
Triacetic acid；Ethylenediamine tetra-acetic acid and the diacid of diethylentriamine five；Ethylenediamine tetra-acetic acid, ammonia river triacetic acid and diethylentriamine five or two
Acid；Ethylenediamine tetra-acetic acid, ammonia river triacetic acid, the diacid of diethylentriamine five and N- beta-hydroxy ethyl-3-acetic acid ethylenediamines etc., are limited to
Length and the consideration in simplicity, the present invention no longer exclusive list.
The excellent amino carboxylic acid quasi-chelate compound of the present invention elects ethylenediamine tetra-acetic acid as.
According to the present invention, the bonding agent is phosphoric acid and/or phosphate.
According to the present invention, the particle diameter of the bauxite is -200 mesh, for example, can be 200 mesh, 230 mesh, 270 mesh, 300
Mesh, 325 mesh or 400 mesh etc., and specific point value and other mesh numbers for being more than 200 mesh between above-mentioned numerical value, as space is limited and
For concise consideration, the present invention specific point value that no longer scope described in exclusive list includes.
According to the present invention, also include 0-1 parts of dispersant in the refractory brick, for example can be 0 part, 0.1 part, 0.2 part,
Specific point value after 0.3 part, 0.4 part, 0.5 part, 0.6 part, 0.7 part, 0.8 part, 0.9 part between 1 part, and above-mentioned numerical value, limit
In length and for concise consideration, the present invention specific point value that no longer scope described in exclusive list includes.
Dispersant of the present invention is dispersant commonly used in the art, and this is not particularly limited.
Second aspect, the present invention provides a kind of preparation method of refractory brick as described in relation to the first aspect, and methods described includes：
Dispensing, batch mixing is molded, and is dried, sintering.
According to the present invention, the temperature of the sintering is 1350-1450 DEG C, for example can be 1350 DEG C, 1360 DEG C, 1370
DEG C, 1380 DEG C, 1390 DEG C, 1400 DEG C, 1410,1420,1430,1440 or 1450 DEG C, it is and specific between above-mentioned numerical value
Value, as space is limited and for concise consideration, the present invention specific point value that no longer scope described in exclusive list includes.
The temperature of sintering of the present invention is preferably 1425 DEG C.
According to the present invention, the time of the sintering is 20-32h, for example can be 20h, 22h, 24h, 26h, 28h, 30h or
Specific point value between 32h, and above-mentioned numerical value, as space is limited and for concise consideration, the present invention no longer exclusive list institute
State the specific point value that scope includes.
The time of sintering of the present invention is preferably 25-30h.
Compared with prior art, the present invention at least has the advantages that：
(1) during refractory brick is prepared, the addition of refractory powder is down to below 15wt%, effectively reduced
Energy consumption produced by powder grinding, adds economic benefit, has a good application prospect.
(2) on the premise of the good consistency of refractory brick is ensured, the intensity and heat endurance of refractory material are added.
(3) using waste and old electroceramics as refractory brick raw material, it is to avoid it pollutes environment, while obtaining good economic effect
Benefit.
Embodiment
For the present invention is better described, technical scheme is readily appreciated, of the invention is typical but non-limiting
Embodiment is as follows：
Embodiment 1
Dispensing is carried out by the component of following mass percent：
Preparation technology：By dispensing, batch mixing is molded, drying, prepares refractory brick the step of sintering, wherein, the temperature of sintering is
1450 DEG C, the time of sintering is 30h.
Performance test, the refractory brick bulk density 2.38g/cm that the present embodiment is obtained3, apparent porosity 21%, resistance to pressure
Spend 63MPa, 1361 DEG C of refractoriness under load, thermal shock resistance 26 times.
Embodiment 2
Dispensing is carried out by the component of following mass percent：
Preparation technology：By dispensing, batch mixing is molded, drying, prepares refractory brick the step of sintering, wherein, the temperature of sintering is
1350 DEG C, the time of sintering is 32h.
Performance test, the refractory brick bulk density 2.31g/cm that the present embodiment is obtained3, apparent porosity 19%, resistance to pressure
Spend 55MPa, 1280 DEG C of refractoriness under load, thermal shock resistance 23 times.
Embodiment 3
Dispensing is carried out by the component of following mass percent：
Preparation technology：By dispensing, batch mixing is molded, drying, prepares refractory brick the step of sintering, wherein, the temperature of sintering is
1400 DEG C, the time of sintering is 25h.
Performance test, the refractory brick bulk density 2.33g/cm that the present embodiment is obtained3, apparent porosity 20%, resistance to pressure
Spend 59MPa, 1323 DEG C of refractoriness under load, thermal shock resistance 25 times.
Embodiment 4
Dispensing is carried out by the component of following mass percent：
Preparation technology：By dispensing, batch mixing is molded, drying, prepares refractory brick the step of sintering, wherein, the temperature of sintering is
1425 DEG C, the time of sintering is 27h.
Performance test, the refractory brick bulk density 2.35g/cm that the present embodiment is obtained3, apparent porosity 20%, resistance to pressure
Spend 56MPa, 1310 DEG C of refractoriness under load, thermal shock resistance 26 times.
Embodiment 5
Dispensing is carried out by the component of following mass percent：
Preparation technology：By dispensing, batch mixing is molded, drying, prepares refractory brick the step of sintering, wherein, the temperature of sintering is
1425 DEG C, the time of sintering is 26h.
Performance test, the refractory brick bulk density 2.30g/cm that the present embodiment is obtained3, apparent porosity 22%, resistance to pressure
Spend 58MPa, 1310 DEG C of refractoriness under load, thermal shock resistance 24 times.
Embodiment 6
Dispensing is carried out by the component of following mass percent：
Preparation technology：By dispensing, batch mixing is molded, drying, prepares refractory brick the step of sintering, wherein, the temperature of sintering is
1380 DEG C, the time of sintering is 29h.
Performance test, the refractory brick bulk density 2.36g/cm that the present embodiment is obtained3, apparent porosity 21%, resistance to pressure
Spend 57MPa, 1347 DEG C of refractoriness under load, thermal shock resistance 26 times.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of refractory brick, it is characterised in that the refractory brick is made by mass parts by following components：
2. refractory brick as claimed in claim 1, it is characterised in that the refractory brick is made by mass parts by following components：
3. refractory brick as claimed in claim 1 or 2, it is characterised in that the refractory brick is made by mass parts by following components：
4. the refractory brick as described in claim any one of 1-3, it is characterised in that the refractory aggregate, middle material and fire resisting
Powder is waste and old high tension insulator；
Preferably, the particle diameter ＞ 0.5mm of the refractory aggregate；
Preferably, the particle diameter of the middle material is 0.088-0.5mm；
Preferably, the particle diameter of the refractory powder<0.088mm.
5. the refractory brick as described in claim any one of 1-4, it is characterised in that the amino carboxylic acid quasi-chelate compound is ethylenediamine
In tetraacethyl, ammonia river triacetic acid, the diacid of diethylentriamine five or N- beta-hydroxy ethyl-3-acetic acid ethylenediamines any one or extremely
Few two kinds combination, preferably ethylenediamine tetra-acetic acid.
6. the refractory brick as described in claim any one of 1-5, it is characterised in that the bonding agent is phosphoric acid and/or phosphate.
7. the refractory brick as described in claim any one of 1-6, it is characterised in that the particle diameter of the bauxite is -200 mesh.
8. the refractory brick as described in claim any one of 1-7, it is characterised in that also include 0-1 parts of point in the refractory brick
Powder.
9. the preparation method of the refractory brick as described in claim any one of 1-8, it is characterised in that methods described includes：Dispensing,
Batch mixing, is molded, and dries, sintering.
10. method as claimed in claim 9, it is characterised in that the temperature of the sintering is 1350-1450 DEG C, is preferably
1425℃；
Preferably, the time of the sintering is 20-32h, preferably 25-30h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710499993.5A CN107298585A (en) | 2017-06-27 | 2017-06-27 | A kind of refractory brick and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710499993.5A CN107298585A (en) | 2017-06-27 | 2017-06-27 | A kind of refractory brick and preparation method thereof |
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| CN201710499993.5A Withdrawn CN107298585A (en) | 2017-06-27 | 2017-06-27 | A kind of refractory brick and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111807821A (en) * | 2020-07-23 | 2020-10-23 | 郑州金龙新材料有限公司 | High-strength wear-resistant refractory brick and preparation method thereof |
| CN114014673A (en) * | 2021-12-02 | 2022-02-08 | 中冶武汉冶金建筑研究院有限公司 | Wear-resistant coating for blast furnace granulation tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334257A (en) * | 2000-07-15 | 2002-02-06 | 淄博科鲁能源动力有限责任公司 | High-strength antiwear refractory brick |
| CN103771891A (en) * | 2014-03-01 | 2014-05-07 | 唐山市腾翔耐磨耐火材料有限公司 | Preparation method of silicon carbide abrasion-resistant fire-resistant furnace body lining brick |
| US20160280603A1 (en) * | 2013-03-22 | 2016-09-29 | Refractory Intellectual Property Gmbh & Co. Kg | Fire-resistant ceramic mix and fire resistant ceramic product |
| CN106673673A (en) * | 2016-11-22 | 2017-05-17 | 唐林元 | Method for producing refractory brick based on polished slag |
-
2017
- 2017-06-27 CN CN201710499993.5A patent/CN107298585A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334257A (en) * | 2000-07-15 | 2002-02-06 | 淄博科鲁能源动力有限责任公司 | High-strength antiwear refractory brick |
| US20160280603A1 (en) * | 2013-03-22 | 2016-09-29 | Refractory Intellectual Property Gmbh & Co. Kg | Fire-resistant ceramic mix and fire resistant ceramic product |
| CN103771891A (en) * | 2014-03-01 | 2014-05-07 | 唐山市腾翔耐磨耐火材料有限公司 | Preparation method of silicon carbide abrasion-resistant fire-resistant furnace body lining brick |
| CN106673673A (en) * | 2016-11-22 | 2017-05-17 | 唐林元 | Method for producing refractory brick based on polished slag |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111807821A (en) * | 2020-07-23 | 2020-10-23 | 郑州金龙新材料有限公司 | High-strength wear-resistant refractory brick and preparation method thereof |
| CN114014673A (en) * | 2021-12-02 | 2022-02-08 | 中冶武汉冶金建筑研究院有限公司 | Wear-resistant coating for blast furnace granulation tower |
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Application publication date: 20171027 |