CN1058952C - High-temp and high-strength refractory deposited material and its prepn process - Google Patents
High-temp and high-strength refractory deposited material and its prepn process Download PDFInfo
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- CN1058952C CN1058952C CN95101065A CN95101065A CN1058952C CN 1058952 C CN1058952 C CN 1058952C CN 95101065 A CN95101065 A CN 95101065A CN 95101065 A CN95101065 A CN 95101065A CN 1058952 C CN1058952 C CN 1058952C
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Abstract
The present invention relates to a red soup high-temperature refractory casting material with high strength and a preparing method thereof, which belongs to the technical field of refractory materials. The refractory casting material is composed of silicon carbide, corundum powder, zirconium oxide, chromium oxide, magnesite, high-aluminium aggregate, red soup heat-resistant essence used as binder and alumina cement and/or aluminum phosphate cement used as coagulant. In the preparing method, the silicon carbide, the corundum powder, the zirconium oxide, the chromium oxide, and /or the magnesite, which are crushed to the designated granularity, the high-aluminium aggregate, and 50% of the red soup heat-resistant essence are uniformly stirred, and the rest 50% of the red soup heat-resistant essence and the coagulant are added into the mixture and are stirred to form the refractory casting material. The refractory casting material has high loading softening point and long-term use temperature.
Description
The present invention relates to a kind of refractory materials, specifically, relate to the good refractory castable of a kind of hot strength, and relate to its preparation method.
At present, unshape refractory is in China's widespread use, typical material has luminite cement heat resistance concrete, clay fire resistant pouring material, the high temperature resistant mould material of PA-80 glue, low cement and non-cement high alumina castable etc., because its load softening point is low, generally all at 1400～1500 ℃, directly have influence on industrial furnace high-temperature section burner hearth work-ing life.
The object of the present invention is to provide a kind of high-temp and high-strength refractory deposited material and preparation method thereof.
This refractory castable is by silicon carbide, lapis amiridis, zirconium white, chromic oxide, magnesia, bauxites aggregate, as the refractory material of wedding agent, and forms as the luminite cement and the aluminum phosphate cement of setting accelerator.Its concrete prescription is (weight %): I silicon carbide: 0.09～0.105mm 6～12%, lapis amiridis: 0.125～0.154mm 6～12%, zirconium white: 0.125～0.154mm 2～8%, chromic oxide: 0.125～0.154mm 2～5%, bauxites aggregate: 5～12mm 20～25%, 1～5mm 30～35%; Refractory material: 8～12%, luminite cement: 1～3%.II silicon carbide: 0.09～0.105mm 2～6%, lapis amiridis: 0.125～0.154mm 6～12%, zirconium white: 0.125～0.154mm 1～3%, chromic oxide: 0.125～0.154mm 2～5%, magnesia: 2～8mm 35～45%, bauxites aggregate: 1～5mm 15～25%, refractory material: 8～12%, luminite cement: 0.5～1.5%, aluminum phosphate cement: 0.5～1.5%.III silicon carbide: 0.09～0.105mm 6～8%, lapis amiridis: 0.125～0.154mm 8～12%, zirconium white: 0.125～0.154mm 2～8%, chromic oxide: 0.125～0.154mm 2～5%, magnesia: 5-12mm 20～25%, bauxites aggregate: 1～5mm 30～35%, refractory material: 8～12%, aluminum phosphate cement: 1～3%.
Refractory material in the above-mentioned prescription is disclosed in CN 1056297A (application number 90105458.5).This refractory material is red, and is active big, and doing after the wedding agent burning with it is black.
Refractory casting material manufacturing technique of the present invention is as follows:
The refractory material that is crushed to silicon carbide, lapis amiridis, zirconium white, chromic oxide and/or magnesia, bauxites aggregate and total consumption 50% of above-mentioned granularity is stirred together to mixes, the Sleepy material is after 〉=24 hours, add all the other 50% refractory materials and above-mentioned setting accelerator, be luminite cement and/or aluminum phosphate cement, promptly can be used for cast through abundant stirring again.
The technical indicator that refractory castable reached of three kinds of prescriptions of the present invention is listed in table 1
Table 1 refractory castable basic mechanical design feature of the present invention index
Listed measured value shows that refractory castable of the present invention has higher load softening point and life-time service temperature from table 1.
Built rolling mill furnace by laying bricks or stones with mould material of the present invention, its burner hearth high temperature section furnace roof is used material cast of the present invention, since this stove operation more than a year, has not found damage phenomenons such as furnace roof peels off as yet, compare with the clay combined fire-resistant material of former use, the burner hearth life-span has improved more than 5 times.
With the refractory castable of above-mentioned 3 kinds of prescriptions, implement by every 1000Kg material proportioning.
Embodiment 1
Silicon carbide 100kg with 0.09～0.105mm, 0.125 the zirconium white 50kg of～0.154mm, 0.125～0.154mm lapis amiridis 100kg, 0.125 the chromic oxide 30kg of～0.154mm, the bauxites aggregate 350kg of bauxites aggregate 250kg 1～5mm of 5～12mm and the refractory material of 50kg stir evenly in machine,massing together, carry out 24 hours Sleepy material covering plastics film on the aggregate market then, after this that this Sleepy is good material stirs evenly in machine,massing with the 50kg refractory material and as the 20kg luminite cement of setting accelerator.The material that stirs building the stove in-place forming, is made firm by ramming with vibrating head, support stove and the use of baking back through routine.
Embodiment 2
Silicon carbide 50kg with 0.09～0.105mm, 0.125 the lapis amiridis 100kg of～0.154mm, 0.125 the zirconium white 20kg of～0.154mm, 0.125 the oxidation of～0.154mm inscription 30kg, the magnesia 430kg of 2～8mm, the bauxites aggregate 250kg of 1～5mm and the refractory material of 50kg stir evenly in machine,massing together, carry out 24 hours Sleepy material covering plastics film on the aggregate market then, after this that this Sleepy is good material stirs evenly in machine,massing with the 50kg refractory material and as the 10kg luminite cement and the 10kg aluminum phosphate cement of setting accelerator.The material that stirs building the stove in-place forming, is made firm by ramming with vibrating head, through conventional maintenance and the use of baking back.
Embodiment 3
Silicon carbide 70kg with 0.09～0.105mm, 0.125～0.154mm lapis amiridis 105kg, 0.125 the zirconium white 60kg of～0.154mm, 0.125 the bauxites aggregate 250kg of chromic oxide 40kg 5～12mm of～0.154mm, the refractory material of 1～5mm bauxites aggregate 350kg and 50kg stirs evenly in machine,massing together, carry out 24 hours Sleepy material covering plastics film on the aggregate market then, then that this Sleepy is good material stirs evenly in machine,massing with the 50kg refractory material and as the aluminum phosphate cement 25kg of setting accelerator.The material that stirs building the stove in-place forming, is made firm by ramming with vibrating head, through conventional maintenance and the use of baking back.
The technical indicator of the refractory castable moulding that above-mentioned 3 kinds of embodiment allot after maintenance and baking sees Table 2.
Table 2
Claims (2)
1, a kind of red custard refractory castable is characterized in that the prescription (weight %) of said refractory castable is:
Silicon carbide: 0.09～0.105mm 6～8%, lapis amiridis: 0.125～0.154mm 8～12%, zirconium white: 0.125～0.154mm 2～8%, chromic oxide: 0.125～0.154mm 2～5%, magnesia: 5～12mm 20～25%, bauxites aggregate: 1～5mm 30～35%, refractory material: 8～12%, aluminum phosphate cement: 1～3%.
2, the preparation method of the described refractory castable of claim 1, it is characterized in that described silicon carbide, lapis amiridis, zirconium white, chromic oxide, magnesia, the refractory material one of bauxites aggregate and total consumption 50% is reinstated stirrer and is stirred, the Sleepy material adds all the other 50% refractory materials and aluminum phosphate cement after 24 hours more then, stirs in stirrer again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95101065A CN1058952C (en) | 1995-01-14 | 1995-01-14 | High-temp and high-strength refractory deposited material and its prepn process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95101065A CN1058952C (en) | 1995-01-14 | 1995-01-14 | High-temp and high-strength refractory deposited material and its prepn process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1126711A CN1126711A (en) | 1996-07-17 |
| CN1058952C true CN1058952C (en) | 2000-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95101065A Expired - Fee Related CN1058952C (en) | 1995-01-14 | 1995-01-14 | High-temp and high-strength refractory deposited material and its prepn process |
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| Country | Link |
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| CN (1) | CN1058952C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100355703C (en) * | 2004-03-30 | 2007-12-19 | 柳州钢铁股份有限公司 | Refractory brick of aluminium-chromium silicon carbide |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101397212B (en) * | 2008-09-16 | 2011-07-27 | 高树森 | Refractory castable of nanocomposite oxide ceramic combining alumina-spinelle and preparation method thereof |
| CN102746008B (en) * | 2012-07-24 | 2013-10-30 | 郑州四方汇达高新耐火材料有限公司 | Preparation method for anti-freeze and fire-resistant mortar |
| CN106811600B (en) * | 2017-01-03 | 2019-04-12 | 嵩明忠诚建筑材料厂 | A kind of manufacturing method of non-ferrous metal metallurgy high-temperature heat-resistance pipe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030095A (en) * | 1988-05-09 | 1989-01-04 | 冶金工业部建筑研究总院 | Refractory Castables for BF Troughs and Runners |
| CN2066126U (en) * | 1989-06-10 | 1990-11-21 | 于善明 | Combined inside lining of cement kiln furnace |
| CN1093691A (en) * | 1993-04-14 | 1994-10-19 | 冶金工业部鞍山热能研究院 | Anhydrous binder for refractory material |
-
1995
- 1995-01-14 CN CN95101065A patent/CN1058952C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030095A (en) * | 1988-05-09 | 1989-01-04 | 冶金工业部建筑研究总院 | Refractory Castables for BF Troughs and Runners |
| CN2066126U (en) * | 1989-06-10 | 1990-11-21 | 于善明 | Combined inside lining of cement kiln furnace |
| CN1093691A (en) * | 1993-04-14 | 1994-10-19 | 冶金工业部鞍山热能研究院 | Anhydrous binder for refractory material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100355703C (en) * | 2004-03-30 | 2007-12-19 | 柳州钢铁股份有限公司 | Refractory brick of aluminium-chromium silicon carbide |
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| Publication number | Publication date |
|---|---|
| CN1126711A (en) | 1996-07-17 |
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