CN103553638A - Wear resistant castable - Google Patents

Wear resistant castable Download PDF

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Publication number
CN103553638A
CN103553638A CN201310450688.9A CN201310450688A CN103553638A CN 103553638 A CN103553638 A CN 103553638A CN 201310450688 A CN201310450688 A CN 201310450688A CN 103553638 A CN103553638 A CN 103553638A
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particle diameter
less
parts
particle size
wear
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CN103553638B (en
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罗明
汪政南
郭兴志
刘斌
汪家兴
王勇
王启明
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ANHUI NINGHUO NEW MATERIAL Co Ltd
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ANHUI NINGHUO NEW MATERIAL Co Ltd
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Abstract

The invention discloses a wear resistant castable, which comprises, by weight: aggregate, which includes 20-30 parts of fused brown fused alumina with a particle size of less than 3mm, and 35-45 parts of power industrial ceramic particles with a particle size of 3-8mm; fine powder, which includes 3-5 parts of electric porcelain processing ball milled powder with a particle size of less than 0.088mm, 8-10 parts of silicon carbide fine powder with a particle size of less than 0.064mm, 6-8 parts of kyanite powder with a particle size of less than 0.088mm, 3-5 parts of silicon micropowder with a particle size of less than 1 micrometer, and 10-12 parts of CA-50-N cement; a binder, which includes 3-5 parts of silicon micropowder with a particle size of less than 1 micrometer, 10-12 parts of CA-50-N cement with a particle size of 5-12 micrometers; and an additive, which includes 0.05-0.15 part of polyphosphate with a particle size of less than 0.45mm, and 0.02-0.04 part of polycarboxylic acid ether with a particle size of less than 0.45mm.

Description

A kind of wear-resistant castable
Technical field
The present invention relates to mould material technical field, relate in particular to a kind of wear-resistant castable.
Background technology
Mould material is a kind of granular and powder material of being made by refractory substance, being to have higher mobility, with pouring procedure construction, and is hardenable unshape refractory without heating, generally using the on-the-spot method moulding to pour into a mould, to shake or make firm by ramming, also can make prefabricated component and use.
Refractory castable is to produce and most popular a kind of unshape refractory at present, is mainly used in constructing the Integral construction things such as various oven inner liners, and some fine quality also can be used for smelting furnace.Development along with refractory materials, the quality of mould material is also wanted corresponding raising, although developed the multiple mould material with specific function at present, but still can not meet demand, how to prepare and a kind ofly wash away with polishing machine well, caustic corrosion resistance is strong, can resist various STRESS VARIATION, and from normal temperature to temperature all there is the mould material of good intensity and fatigue resistance, become technical problem urgently to be resolved hurrily at present.
Summary of the invention
In order to solve the technical problem existing in background technology, the present invention proposes a kind of wear-resistant castable, it is good that described wear-resistant castable washes away with polishing machine, can resist that alkali corrodes and the destruction of various STRESS VARIATION, from normal temperature extremely temperature all there is good intensity and fatigue resistance.
, its component comprises by weight:
Aggregate, it comprises that particle diameter is less than fused brown corundum 20-30 part of 3mm, power industry ceramic particle 35-45 part that particle diameter is 3-8mm;
Fine powder, it electroceramics processing ball milling powder 3-5 part, particle diameter that comprises that particle diameter is less than 0.088mm is less than carbide fine powder 8-10 part of 0.064mm, aquamaine stone flour 6-8 part that particle diameter is less than 0.088mm, silicon powder 3-5 part, CA-50-N cement 10-12 part that particle diameter is less than 1 μ m;
Bonding agent, it comprises that silicon powder 3-5 part, particle diameter that particle diameter is less than 1 μ m are CA-50-N cement 10-12 part of 5-12 μ m;
Admixture, it comprises that particle diameter is less than poly carboxylic acid ether 0.02-0.04 part that poly-phosphate 0.05-0.15 part of 0.45mm, particle diameter are less than 0.45mm.
Preferably, described aggregate comprises: particle diameter is less than fused brown corundum 18-24 part of 3mm, power industry ceramic particle 38-43 part that particle diameter is 3-8mm.
Preferably, described fine powder comprises: electroceramics processing ball milling powder 4-5 part, particle diameter that particle diameter is less than 0.088mm are less than carbide fine powder 8-9 part of 0.057mm, aquamaine stone flour 6-7 part that particle diameter is less than 0.088mm, silicon powder 3-4 part, CA-50-N cement 11-12 part that particle diameter is less than 1 μ m.
Preferably, described bonding agent comprises: silicon powder 3-4 part, particle diameter that particle diameter is less than 1 μ m are CA-50-N cement 11-12 part of 6-11 μ m.
Preferably, described admixture comprises: particle diameter is less than poly-phosphate 0.05-0.11 part of 0.42mm, poly carboxylic acid ether 0.02-0.03 part that particle diameter is less than 0.42mm.
Preferably, described fused brown corundum comprises by weight: particle diameter is less than fused brown corundum 10-15 part of 1mm, fused brown corundum 10-15 part that particle diameter is 1-3mm.
Preferably, described power industry ceramic particle comprises by weight: power industry ceramic particle 15-20 part that particle diameter is 3-5mm, power industry ceramic particle 20-25 part that particle diameter is 5-8mm.
In the present invention, it is aggregate that described wear-resistant castable be take high-grade power industry ceramic particle, fused brown corundum, reasonably combined with fine powder, admixture, component is carried out to classification, and strictly control the proportioning of each component, the wear-resistant castable of preparation has good coking property, makes it in normal temperature to middle temperature, have higher intensity and good wear resistance; Because the thermal expansivity of power industry ceramic particle, fused brown corundum is different, can make mould material in use produce fine cracks, thus destruction that can relieve stresses; Additive is selected poly-phosphate, poly carboxylic acid ether, and rationally adjusts its proportioning, can make mould material have the more suitable cast cured explosive time; In the present invention, described wear-resistant castable has good resistance to erosion and abrasion resistance properties, can resist the destruction of alkali erosion and various STRESS VARIATION, and from normal temperature value, temperature all has good intensity and fatigue resistance.
Embodiment
Embodiment 1
, its component comprises by weight:
Aggregate, it comprises that particle diameter is less than 20 parts of 10 parts of the fused brown corundums of 1mm, 10 parts of fused brown corundums that particle diameter is 1-3mm, 15 parts of power industry ceramic particles that particle diameter is 3-5mm, power industry ceramic particles that particle diameter is 5-8mm;
Fine powder, it 5 parts of ball milling powders of electroceramics processing, particle diameter that comprises that particle diameter is less than 0.088mm is less than 8 parts of the carbide fine powder of 0.064mm, 8 parts of the aquamaine stone flours that particle diameter is less than 0.088mm, 3 parts of silicon powders, 12 parts of the CA-50-N cement that particle diameter is less than 1 μ m;
Bonding agent, it comprises that 3 parts of silicon powders, particle diameter that particle diameter is less than 1 μ m are 12 parts of the CA-50-N cement of 12 μ m;
Admixture, it comprises that particle diameter is less than 0.04 part, the poly carboxylic acid ether that 0.05 part of the poly-phosphate of 0.45mm, particle diameter be less than 0.45mm;
While adopting described mould material to prepare pouring piece, can add in stirrer and stir 3 minutes doing mould material, then add a certain amount of water to stir.Progressively pour in mould, limit is reinforced, limit vibration construction, is demoulding maintenance after waiting pouring piece to solidify, and can come into operation after baking is installed.
Described wear-resistant castable is carried out to sample preparation according to < < YB/T5202.1-2003 unshape refractory preparation method of sample part 1 refractory castable > >, maintenance, baking, all samples all carry out 110 ℃ * 24h drying and processing, then through 1100 ℃ * 3h heat treated, be chilled to normal temperature and detect respectively its volume density, folding strength, compressive strength, line velocity of variation after burning, heat-shock resistance is tested 1100 ℃ ≒ water-cooleds, 10 circulations, with remaining folding strength and strength retention, carry out the quality of constant sample, shown in table 1, for the mould material technical indicator (contrast table) of resistance to wearing:
The table 1 mould material technical indicator (contrast table) of resistance to wearing
Figure BDA0000389485730000041
Embodiment 2
, its component comprises by weight:
Aggregate, it comprises that particle diameter is less than 21 parts of 11 parts of the fused brown corundums of 1mm, 12 parts of fused brown corundums that particle diameter is 1-3mm, 17 parts of power industry ceramic particles that particle diameter is 3-5mm, power industry ceramic particles that particle diameter is 5-8mm;
Fine powder, it 4 parts of ball milling powders of electroceramics processing, particle diameter that comprises that particle diameter is less than 0.088mm is less than 9 parts of the carbide fine powder of 0.057mm, 7 parts of the aquamaine stone flours that particle diameter is less than 0.088mm, 4 parts of silicon powders, 11 parts of the CA-50-N cement that particle diameter is less than 1 μ m;
Bonding agent, it comprises that 4 parts of silicon powders, particle diameter that particle diameter is less than 1 μ m are 11 parts of the CA-50-N cement of 6-11 μ m;
Admixture, it comprises that particle diameter is less than 0.03 part, the poly carboxylic acid ether that 0.1 part of the poly-phosphate of 0.42mm, particle diameter be less than 0.42mm.
While adopting described mould material to prepare pouring piece, can add in stirrer and stir 3 minutes doing mould material, then add a certain amount of water to stir.Progressively pour in mould, limit is reinforced, limit vibration construction, is demoulding maintenance after waiting pouring piece to solidify, and can come into operation after baking is installed.
Described wear-resistant castable is carried out to sample preparation according to < < YBT5202.1-2003 unshape refractory preparation method of sample part 1 refractory castable > >, maintenance, baking, all samples all carry out 110 ℃ * 24h drying and processing, then through 1100 ℃ * 3h heat treated, be chilled to normal temperature and detect respectively its volume density, folding strength, compressive strength, line velocity of variation after burning, heat-shock resistance is tested 1100 ℃ ≒ water-cooleds, 10 circulations, with remaining folding strength and strength retention, carry out the quality of constant sample, shown in table 2, for the mould material technical indicator (contrast table) of resistance to wearing:
The table 2 mould material technical indicator (contrast table) of resistance to wearing
Embodiment 3
, its component comprises by weight:
Aggregate, it comprises that particle diameter is less than 25 parts of 15 parts of the fused brown corundums of 1mm, 15 parts, electric capacity that particle diameter is 1-3mm palm fibre corundum, 20 parts of power industry ceramic particles that particle diameter is 3-5mm, power industry ceramic particles that particle diameter is 5mm;
Fine powder, it 3 parts of ball milling powders of electroceramics processing, particle diameter that comprises that particle diameter is less than 0.088mm is less than 10 parts of the carbide fine powder of 0.064mm, 6 parts of the aquamaine stone flours that particle diameter is less than 0.088mm, 5 parts of silicon powders, 10 parts of the CA-50-N cement that particle diameter is less than 1 μ m;
Bonding agent, it comprises that 5 parts of silicon powders, particle diameter that particle diameter is less than 1 μ m are 10 parts of the CA-50-N cement of 5 μ m;
Admixture, it comprises that particle diameter is less than 0.02 part, the poly carboxylic acid ether that 0.15 part of the poly-phosphate of 0.45mm, particle diameter be less than 0.45mm;
While adopting described mould material to prepare pouring piece, can add in stirrer and stir 3 minutes doing mould material, then add a certain amount of water to stir.Progressively pour in mould, limit is reinforced, limit vibration construction, is demoulding maintenance after waiting pouring piece to solidify, and can come into operation after baking is installed.
Described wear-resistant castable is carried out to sample preparation according to < < YBT5202.1-2003 unshape refractory preparation method of sample part 1 refractory castable > >, maintenance, baking, all samples all carry out 110 ℃ * 24h drying and processing, then through 1100 ℃ * 3h heat treated, be chilled to normal temperature and detect respectively its volume density, folding strength, compressive strength, line velocity of variation after burning, heat-shock resistance is tested 1100 ℃ ≒ water-cooleds, 10 circulations, with remaining folding strength and strength retention, carry out the quality of constant sample, shown in table 1, for the mould material technical indicator (contrast table) of resistance to wearing:
The table 3 mould material technical indicator (contrast table) of resistance to wearing
Figure BDA0000389485730000071
In the present invention, it is aggregate that described wear-resistant castable be take high-grade power industry ceramic particle, fused brown corundum, reasonably combined with fine powder, admixture, by its component is carried out to classification, and strictly control the proportioning of each component, the wear-resistant castable of preparation has good coking property, makes it in normal temperature to middle temperature, have higher intensity and good wear resistance; Because the thermal expansivity of power industry ceramic particle, fused brown corundum is different, can make mould material in use produce fine cracks, thus destruction that can relieve stresses; Additive is selected poly-phosphate, poly carboxylic acid ether, and rationally adjusts its proportioning, can make mould material have the more suitable cast cured explosive time; In the present invention, described wear-resistant castable has good resistance to erosion and abrasion resistance properties, can resist that alkali corrodes and the destruction of various STRESS VARIATION, from normal temperature to temperature all there is good intensity and fatigue resistance.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.

Claims (7)

1. a wear-resistant castable, is characterized in that, its component comprises by weight:
Aggregate, it comprises that particle diameter is less than fused brown corundum 20-30 part of 3mm, power industry ceramic particle 35-45 part that particle diameter is 3-8mm;
Fine powder, it electroceramics processing ball milling powder 3-5 part, particle diameter that comprises that particle diameter is less than 0.088mm is less than carbide fine powder 8-10 part of 0.064mm, aquamaine stone flour 6-8 part that particle diameter is less than 0.088mm, silicon powder 3-5 part, CA-50-N cement 10-12 part that particle diameter is less than 1 μ m;
Bonding agent, it comprises that silicon powder 3-5 part, particle diameter that particle diameter is less than 1 μ m are CA-50-N cement 10-12 part of 5-12 μ m;
Admixture, it comprises that particle diameter is less than poly carboxylic acid ether 0.02-0.04 part that poly-phosphate 0.05-0.15 part of 0.45mm, particle diameter are less than 0.45mm.
2. wear-resistant castable according to claim 1, is characterized in that, described aggregate comprises: particle diameter is less than fused brown corundum 18-24 part of 3mm, power industry ceramic particle 38-43 part that particle diameter is 3-8mm.
3. wear-resistant castable according to claim 1, it is characterized in that, described fine powder comprises: electroceramics processing ball milling powder 4-5 part, particle diameter that particle diameter is less than 0.088mm are less than carbide fine powder 8-9 part of 0.057mm, aquamaine stone flour 6-7 part that particle diameter is less than 0.088mm, silicon powder 3-4 part, CA-50-N cement 11-12 part that particle diameter is less than 1 μ m.
4. according to the wear-resistant castable described in any one in claim 1-3, it is characterized in that, described bonding agent comprises: silicon powder 3-4 part, particle diameter that particle diameter is less than 1 μ m are CA-50-N cement 11-12 part of 6-11 μ m.
5. according to the wear-resistant castable described in any one in claim 1-3, it is characterized in that, described admixture comprises: particle diameter is less than poly-phosphate 0.05-0.11 part of 0.42mm, poly carboxylic acid ether 0.02-0.03 part that particle diameter is less than 0.42mm.
6. according to the wear-resistant castable described in any one in claim 1-3, it is characterized in that, described fused brown corundum comprises by weight: particle diameter is less than fused brown corundum 10-15 part of 1mm, fused brown corundum 10-15 part that particle diameter is 1-3mm.
7. according to the wear-resistant castable described in any one in claim 1-3, it is characterized in that, described power industry ceramic particle comprises by weight: power industry ceramic particle 15-20 part that particle diameter is 3-5mm, power industry ceramic particle 20-25 part that particle diameter is 5-8mm.
CN201310450688.9A 2013-09-28 2013-09-28 Wear resistant castable Active CN103553638B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108424156A (en) * 2018-04-27 2018-08-21 武汉科技大学 A kind of heat insulation and wear resistance castable and preparation method thereof
CN108558421A (en) * 2018-06-11 2018-09-21 无锡远能耐火材料有限公司 Waste incinerator castable refractory and its method prepared by discarded high tension insulator
CN109369201A (en) * 2018-12-20 2019-02-22 无锡远能耐火材料有限公司 Anticorrosive castable and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102674859A (en) * 2012-05-24 2012-09-19 洛阳理工学院 Refractory castable for kilneye and kiln head cover of rotary kiln
CN103242051A (en) * 2013-05-30 2013-08-14 武汉科技大学 Lightweight corundum-mullite castable and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102674859A (en) * 2012-05-24 2012-09-19 洛阳理工学院 Refractory castable for kilneye and kiln head cover of rotary kiln
CN103242051A (en) * 2013-05-30 2013-08-14 武汉科技大学 Lightweight corundum-mullite castable and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108424156A (en) * 2018-04-27 2018-08-21 武汉科技大学 A kind of heat insulation and wear resistance castable and preparation method thereof
CN108558421A (en) * 2018-06-11 2018-09-21 无锡远能耐火材料有限公司 Waste incinerator castable refractory and its method prepared by discarded high tension insulator
CN109369201A (en) * 2018-12-20 2019-02-22 无锡远能耐火材料有限公司 Anticorrosive castable and preparation method thereof

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