CN103496995A - Aluminum silicon carbide pouring material - Google Patents
Aluminum silicon carbide pouring material Download PDFInfo
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- CN103496995A CN103496995A CN201310451150.XA CN201310451150A CN103496995A CN 103496995 A CN103496995 A CN 103496995A CN 201310451150 A CN201310451150 A CN 201310451150A CN 103496995 A CN103496995 A CN 103496995A
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Abstract
The invention discloses an aluminum silicon carbide pouring material which comprises the following components in parts by weight: an aggregate, fine powder, a bonding agent and additives, wherein the aggregate comprises 19-28 parts of silicon carbide with a grain diameter being smaller than 4mm and 29-47 parts of electric industrial ceramics with the grain diameter being smaller than 8mm; the fine powder comprises 10-15 parts of electrical porcelain processing ball milled powder with the grain diameter being smaller than 0.088mm, 8-10 parts of fine silicon carbide powder with the grain diameter being smaller than 0.064 mm, 2-4 parts of aluminum oxide micropowder with the grain diameter being smaller than 2 micrometers, 3-5 parts of silicon micropowder with the grain diameter being smaller than 1 micrometer and 6-9 parts of CA-50-N cement; the bonding agent comprises 3-5 parts of silicon micropowder with the grain diameter being smaller than 1 micrometer and 6-9 parts of the CA-50-N cement with the grain diameter being 7-14 micrometers; the additives include 0.05-0.15 part of polyphosphate with the grain diameter being smaller than 0.45mm and 0.02-0.04 parts of polycarboxylate with the grain diameter being smaller than 0.45mm.
Description
Technical field
The present invention relates to the mould material technical field, relate in particular to a kind of aluminium silicon carbide matter mould material.
Background technology
Mould material is a kind of granular and powder material of being made by refractory substance, they are without fixing profile, can be made into pulpous state, mud paste and loose shape, be mainly used in constructing the Integral construction things such as various oven inner liners, some fine quality also can be used for smelting furnace, mould material has higher mobility, 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 uses, adopt mould material can form jointless Integral construction thing, usually only just can make through granular, the preparation of powder-material and the process of mixing of compound.
Development along with refractory materials, the quality of mould material is also improving constantly, although developed the multiple mould material with specific function at present, but still can not meet demand, and how preparing a kind of compactness good, alkali resistance is good, the cast cured explosive time is short, oxidation-resistance is strong, and the mould material that the resistive connection skin is strong becomes technical problem urgently to be resolved hurrily at present.
Summary of the invention
The present invention proposes a kind of aluminium silicon carbide matter mould material, described aluminium silicon carbide matter mould material compactness, alkali resistance are good, and the cast cured explosive time is short, and oxidation-resistance, resistive connection skin are strong.
A kind of aluminium silicon carbide matter mould material, its component comprises by weight:
Aggregate, it comprises that particle diameter is less than power industry pottery 29-47 part that silicon carbide 19-28 part of 4mm, particle diameter are less than 8mm;
Fine powder, it comprises that particle diameter is less than silicon powder 3-5 part, CA-50-N cement 6-9 part that alumina powder 2-4 part, particle diameter that carbide fine powder 8-10 part, particle diameter that electroceramics processing ball milling powder 10-15 part of 0.088mm, particle diameter is less than 0.064mm be less than 2 μ m are less than 1 μ m;
Wedding agent, it comprises that particle diameter is less than CA-50-N cement 6-9 part that silicon powder 3-5 part, the particle diameter of 1 μ m are 7-14 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 silicon carbide 21-25 part of 4mm, power industry pottery 37-43 part that particle diameter is less than 8mm;
Preferably, described fine powder comprises: particle diameter is less than silicon powder 3-4 part, CA-50-N cement 6-9 part that alumina powder 2-3 part, particle diameter that electroceramics processing ball milling powder 12-14 part of 0.082mm, carbide fine powder 9-10 part, particle diameter that particle diameter is less than 0.057mm is less than 1.5 μ m are less than 1 μ m.
Preferably, described wedding agent comprises: particle diameter is less than CA-50-N cement 6-7 part that silicon powder 3-4 part, the particle diameter of 1 μ m are 8-13 μ m.
Preferably, described admixture comprises: particle diameter is less than poly-phosphate 0.06-0.1 part of 0.38mm, poly carboxylic acid ether 0.025-0.038 part that particle diameter is less than 0.38mm.
Preferably, described silicon carbide comprises by weight: particle diameter is less than silicon carbide 7-12 part of 1mm, silicon carbide 12-16 part that particle diameter is 1-4mm.
Preferably, described power industry pottery comprises by weight: particle diameter is less than power industry pottery 10-15 part of 1mm, power industry pottery 9-15 part that particle diameter is 1-4mm, power industry pottery 10-17 part that particle diameter is 4-8mm.
In the present invention, selecting high-grade power industry pottery and silicon carbide is aggregate, interpolation is processed ball milling powder by electroceramics, carbide fine powder, alumina powder, silicon powder, the fine powder of CA-50-N cement composition, and with contain poly-phosphate, the admixture of poly carboxylic acid ether, and it is reasonably combined with the CA-50-N cement that contains silicon powder and low granularity to introduce the import antioxidant, by proportioning and the granularity of controlling each component, the aluminium silicon carbide matter mould material oxidation-resistance of preparation, the resistive connection skin is good, compactness, folding strength, compressive strength is large, and when preparing pouring piece, good fluidity, set time is short.
Embodiment
Embodiment 1
A kind of aluminium silicon carbide matter mould material, its component comprises as follows by weight:
Aggregate, it comprises that it is 10 parts, the power industry pottery that is less than 8mm that particle diameter is less than 7 parts, the silicon carbide of 1mm, 12 parts, silicon carbide that particle diameter is 1-4mm, 10 parts, power industry pottery that particle diameter is less than 1mm, 9 parts, power industry pottery, particle diameter that particle diameter is 1-4mm;
Fine powder, it 10 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, 4 parts of the alumina powders that particle diameter is less than 2 μ m, 3 parts of silicon powders, 9 parts of the CA-50-N cement that particle diameter is less than 1 μ m;
Wedding agent, it comprises that particle diameter is less than 9 parts of the CA-50-N cement that 3 parts of silica fine powders, the particle diameter of 1 μ m are 7-14 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 aluminium silicon carbide matter mould material to prepare pouring piece, can add in stirrer and to 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 aluminium silicon carbide matter mould material is carried out to sample preparation, maintenance, baking according to " YB/T5202.1-2003 unshape refractory preparation method of sample part 1 refractory castable ", all samples all carry out 110 ℃ * 24h drying and processing, then through 1100 ℃ * 3h heat treated, be chilled to normal temperature and detect respectively line velocity of variation after its volume density, folding strength, compressive strength, burning, the heat-shock resistance test
water-cooled, 10 circulations, with the quality of remaining folding strength and the next constant sample of strength retention, shown in table 1, are aluminium carbon
SiClx matter mould material technical indicator (contrast table):
Table 1 aluminium silicon carbide matter mould material technical indicator (contrast table)
Embodiment 2
A kind of aluminium silicon carbide matter mould material, its component comprises as follows by weight:
Aggregate, it comprises that particle diameter is less than 17 parts, 12 parts, the silicon carbide of 1mm, 16 parts, silicon carbide that particle diameter is 1-4mm, 15 parts, power industry pottery that particle diameter is less than 1mm, 15 parts, power industry pottery that particle diameter is 1-4mm, power industry pottery that particle diameter is 4-8mm;
Fine powder, it 15 parts of ball milling powders of electroceramics processing, particle diameter that comprises that particle diameter is less than 0.082mm is less than 10 parts of the carbide fine powder of 0.057mm, 2 parts of the alumina powders that particle diameter is less than 1.5 μ m, 5 parts of silicon powders, 6 parts of the CA-50-N cement that particle diameter is less than 1 μ m;
Wedding agent, it comprises that particle diameter is less than 6 parts of the CA-50-N cement that 5 parts of silica fine powders, the particle diameter of 0.4 μ m are 8-13 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 0.38mm, particle diameter be less than 0.38mm.
While adopting described aluminium silicon carbide matter mould material to prepare pouring piece, can add in stirrer and to 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 aluminium silicon carbide matter mould material 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, carry out the quality of constant sample with remaining folding strength and strength retention, shown in table 2, for aluminium silicon carbide matter mould material technical indicator (contrast table):
Table 2 aluminium silicon carbide matter mould material technical indicator (contrast table)
Embodiment 3
A kind of aluminium silicon carbide matter mould material, its component comprises as follows by weight:
Aggregate, it comprises that particle diameter is less than 17 parts, 12 parts, the silicon carbide of 1mm, 12 parts, silicon carbide that particle diameter is 1-4mm, 15 parts, power industry pottery that particle diameter is less than 1mm, 9 parts, power industry pottery that particle diameter is 1-4mm, power industry pottery that particle diameter is 4-8mm;
Fine powder, it comprises that particle diameter is less than 10 parts of the electromagnetic processing ball milling powders of 0.088mm, 10 parts of the carbide fine powder that particle diameter is less than 0.064mm, 2 parts of the alumina powders that particle diameter is less than 2 μ m, 4 parts of silicon powders, 8 parts of the CA-50-N cement that particle diameter is less than 1 μ m;
Wedding agent, it comprises that particle diameter is less than 8 parts of the CA-50-N cement that 4 parts of silicon powders, the particle diameter of 1 μ m are 7-14 μ m;
Admixture, it comprises that particle diameter is less than 0.025 part, the poly carboxylic acid ether that 0.1 part of the poly-phosphate of 0.45mm, particle diameter be less than 0.45mm.
While adopting described aluminium silicon carbide matter mould material to prepare pouring piece, can add in stirrer and to 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 aluminium silicon carbide matter mould material 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, carry out the quality of constant sample with remaining folding strength and strength retention, shown in table 3, for aluminium silicon carbide matter mould material technical indicator (contrast table):
Table 3 aluminium silicon carbide matter mould material technical indicator (contrast table)
In the present invention, selecting high-grade power industry pottery and silicon carbide is aggregate, interpolation is processed ball milling powder by electroceramics, carbide fine powder, alumina powder, silicon powder, the fine powder of CA-50-N cement composition, and with contain poly-phosphate, the admixture of poly carboxylic acid ether, and it is reasonably combined with the CA-50-N cement that contains silicon powder and low granularity to introduce the import antioxidant, by proportioning and the granularity of controlling each component, the oxidation-resistance of the mould material of preparation, the resistive connection skin is good, compactness, folding strength, compressive strength is large, it is when preparing pouring piece, good fluidity, set time is short.
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; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (7)
1. an aluminium silicon carbide matter mould material, is characterized in that, its component comprises by weight:
Aggregate, it comprises that particle diameter is less than power industry pottery 29-47 part that silicon carbide 19-28 part of 4mm, particle diameter are less than 8mm;
Fine powder, it comprises that particle diameter is less than silicon powder 3-5 part, CA-50-N cement 6-9 part that alumina powder 2-4 part, particle diameter that carbide fine powder 8-10 part, particle diameter that electroceramics processing ball milling powder 10-15 part of 0.088mm, particle diameter is less than 0.064mm be less than 2 μ m are less than 1 μ m;
Wedding agent, it comprises that particle diameter is less than CA-50-N cement 6-9 part that silicon powder 3-5 part, the particle diameter of 1 μ m are 7-14 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. aluminium silicon carbide matter mould material according to claim 1, is characterized in that, described aggregate comprises: particle diameter is less than silicon carbide 21-25 part of 4mm, power industry pottery 37-43 part that particle diameter is less than 8mm.
3. aluminium silicon carbide matter mould material according to claim 1, it is characterized in that, described fine powder comprises: particle diameter is less than silicon powder 3-4 part, CA-50-N cement 6-9 part that alumina powder 2-3 part, particle diameter that electroceramics processing ball milling powder 12-14 part of 0.082mm, carbide fine powder 9-10 part, particle diameter that particle diameter is less than 0.057mm is less than 1.5 μ m are less than 1 μ m.
4. according to the described aluminium silicon carbide matter of any one mould material in claim 1-3, it is characterized in that, described wedding agent comprises: particle diameter is less than CA-50-N cement 6-9 part that silica fine powder 3-4 part, the particle diameter of 1 μ m are 8-13 μ m.
5. according to the described aluminium silicon carbide matter of any one mould material in claim 1-3, it is characterized in that, described admixture comprises: particle diameter is less than poly-phosphate 0.06-0.1 part of 0.38mm, poly carboxylic acid ether 0.025-0.038 part that particle diameter is less than 0.38mm.
6. according to the described aluminium silicon carbide matter of any one mould material in claim 1-3, it is characterized in that, described silicon carbide comprises by weight: particle diameter is less than silicon carbide 7-12 part of 1mm, silicon carbide 12-16 part that particle diameter is 1-4mm.
7. according to the described aluminium silicon carbide matter of any one mould material in claim 1-3, it is characterized in that, described power industry pottery comprises by weight: particle diameter is less than power industry pottery 10-15 part of 1mm, power industry pottery 9-15 part that particle diameter is 1-4mm, power industry pottery 10-17 part that particle diameter is 4-8mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235734A (en) * | 2017-06-06 | 2017-10-10 | 浙江德清炜烨新材料有限公司 | A kind of aluminium silicon carbide matter castable |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328981A (en) * | 2001-07-06 | 2002-01-02 | 沈忠善 | Air-setting light refractory pouring material |
| 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 |
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- 2013-09-28 CN CN201310451150.XA patent/CN103496995B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328981A (en) * | 2001-07-06 | 2002-01-02 | 沈忠善 | Air-setting light refractory pouring material |
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235734A (en) * | 2017-06-06 | 2017-10-10 | 浙江德清炜烨新材料有限公司 | A kind of aluminium silicon carbide matter castable |
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