CN109928737A - A kind of addition active organosilicon alkanol does not burn sliding plate brick and its production method - Google Patents
A kind of addition active organosilicon alkanol does not burn sliding plate brick and its production method Download PDFInfo
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- CN109928737A CN109928737A CN201711370153.5A CN201711370153A CN109928737A CN 109928737 A CN109928737 A CN 109928737A CN 201711370153 A CN201711370153 A CN 201711370153A CN 109928737 A CN109928737 A CN 109928737A
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Abstract
A kind of addition active organosilicon alkanol does not burn sliding plate brick and its production method, it is related to the sliding plate brick in a kind of STEELMAKING PRODUCTION in the series of the steel ladle slide board mouth of a river.A kind of sliding plate brick that do not burn of addition active organosilicon alkanol is made of the raw material of following parts by weight: corundum in granules, corundum fine powder, active oxidation aluminium powder, carbide fine powder, metallic aluminium powder, metallic silicon power, carbon black, boron carbide, additional phenolic resin, resin curing agent, active organosilicon alkanol.Above-mentioned constitutive material does not burn sliding plate brick according to a kind of addition active organosilicon alkanol can be obtained after a kind of production method production for not burning sliding plate brick of addition active organosilicon alkanol.After adopting the above technical scheme, reducing energy consumption the invention has the following beneficial effects: it has higher apparent porosity, compressive resistance and high temperature break resistant intensity, atmosphere pollution and hazard to person are prevented, have shortened the production cycle of product, production method is simple, it is at low cost, it is conducive to promote and apply.
Description
Technical field
The present invention relates to the sliding plate bricks in a kind of STEELMAKING PRODUCTION in the series of the steel ladle slide board mouth of a river, and in particular to a kind of addition work
Property organosilanol does not burn sliding plate brick and its production method.
Background technique
Since 1970s, slide gate nozzle has become one of important technology innovation of steel and iron industry fast development,
Most ladle, tundish have all loaded onto slide gate nozzle system both at home and abroad now.Slide plate is the key that slide gate nozzle composition portion
Point, it is the important component for directly controlling molten steel, determining slide gate nozzle function, the component is due to needing long-term to hold in use process
Chemical erosion and physics by high-temperature molten steel are washed away, in addition fierce and transition thermal shock and mechanical wear effect, use condition
It is more harsh, while to realize freely openable steel stream, slip plane flatness and its form factor size are both needed to be strict with.Therefore,
It is required that slide plate must have the characteristics such as high-intensitive, wear-resistant, the resistance to slagging of retractory and good thermal shock stability.
Existing slide plate is divided into high temperature firing sliding plate brick, medium temperature Firing slide plate brick according to processing mode and does not burn sliding plate brick.
First two requires to carry out firing processing, due to the volatilization of igloss substance in the carbonization of phenolic resin in combustion process and product
Etc. many stomatas can be left, cause both plates that must carry out impregnating pitch processing.Impregnating pitch operation can cause atmosphere
The probability of operator's respiratory tract and lung's illness is polluted and can improve, so that the prospect for promoting it is restricted.It is slided without burning
Plate brick is mainly realized by the micronization of material in slide plate.But its market competitiveness is influenced because cost of material is more expensive.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of addition active organosilicon alkanols
Sliding plate brick and its production method are not burnt, its apparent porosity, higher compressive resistance and the anti-folding of higher high temperature with higher are by force
Degree, and energy consumption is greatly reduced, atmosphere pollution and hazard to person, shorten product caused by having prevented because of impregnating pitch
Production cycle, production method is simple, and cost is relatively low, is conducive to promote and apply.
To achieve the above object, the technical solution of the present invention is as follows: a kind of addition active organosilicon alkanol does not burn sliding plate brick
It is made of the raw material of following parts by weight: 50-70 parts of corundum in granules, 5-20 parts of corundum fine powder, 5-15 parts of active oxidation aluminium powder, carbon
3-10 parts of SiClx fine powder, 2-10 parts of metallic aluminium powder, 1-5 parts of metallic silicon power, 0.5-5 parts of carbon black, 0.5-2 parts of boron carbide, add outside
Raw material total amount 3.5-5.5% phenolic resin is stated, resin curing agent is the 5-20% of resin amount, and active organosilicon alkanol is resin
The 10-50% of additional amount.
The corundum in granules includes 5-15 parts of 2mm < partial size≤3mm corundum, 1mm < partial size≤2mm corundum 15-
35 parts, 15-20 parts of corundum of 0.5mm < partial size≤1mm, 10-20 parts of corundum of 0mm < partial size≤0.5mm, in corundum in granules
Al2O3Content >=99.0%；Corundum fine powder partial size≤the 0.045mm, wherein Al2O3Content >=99.0%；The activated carbon oxidation
Partial size≤0.045mm of aluminium powder, wherein Al2O3Content >=99.7%, Na2O content≤0.11%；The carbide fine powder partial size≤
0.045mm, wherein SiC content >=96.0%；The metallic aluminium powder partial size is 0mm < partial size≤0.088mm, metallic aluminium therein
Content >=99.0%；The metallic silicon power partial size is 0mm < partial size≤0.045mm, metal silicone content >=99.0% therein.
A kind of production method for not burning sliding plate brick for adding active organosilicon alkanol the following steps are included: weigh each according to the ratio
Raw material is thin by powder therein addition taper kneading machine, including corundum in granules, corundum fine powder, active oxidation aluminium powder, silicon carbide
Powder, metallic aluminium powder, metallic silicon power, carbon black, boron carbide are uniformly mixed, and obtain mixed powder, are packed spare；By a certain amount of phenol
Urea formaldehyde and organosilanol liquid agitation are uniformly spare；Edge runner-wet mill is added in remaining particulate material, then by resin curing agent
It is added in particle, is uniformly mixed, phenolic resin and organosilicon mixture is then added, mixed powder is added after 3-5 minutes in mixing
Material, mixed grind 25-40 minutes, repressed molding obtained blank；Blank is dried at 200-220 DEG C, obtains adding organic
Silicon does not burn sliding plate brick.
The phenolic resin is thermoplastic resin, and resin curing agent is the methenamine of 1-0.The active organosilicon alkane
Alcohol is a kind of active organosilicon alkanol liquid.With phenolic resin dehydrating condensation occurs for active organosilicon alkanol at a certain temperature
Reaction generates organic-silicon-modified resin, and the activated silica in active organosilicon alkanol is nanoscale activated silica molecule, at high temperature
It is easily reacted with the nitrogen in the carbon and air in slide plate and generates silicon carbide and silicon nitride crystal whisker；By the way that thermoplastic resin is added, no
But it can guarantee the utilization rate of organosilanol, and thermoplastic resin and organosilicon are improved by the solidification of resin curing agent
The reaction rate of alkanol, the high-temperature behavior and the intensity after sliding plate brick drying for also improving sliding plate brick.
Described does not burn the dry heating curve of sliding plate brick drying are as follows: 80 DEG C is warmed naturally to, then with 5 DEG C per hour
Rate is warming up to 120 DEG C, 120 DEG C of 12 hours of heat preservation, is then warming up to 200 DEG C with 5 DEG C per hour of rate, then saves 8
Hour or more.
After adopting the above technical scheme, the invention has the following beneficial effects: its apparent porosity with higher, higher resistance to pressure
Degree and higher high temperature break resistant intensity, and greatly reduce energy consumption, caused by having prevented because of impregnating pitch atmosphere pollution and
Hazard to person shortens the production cycle of product, and production method is simple, and cost is relatively low, is conducive to promote and apply.
Specific embodiment
Embodiment 1
Present embodiment the technical solution adopted is that: a kind of addition active organosilicon alkanol does not burn sliding plate brick by following heavy
Measure the raw material composition of number: 65 parts of corundum in granules, 13 parts of corundum fine powder, 5 parts of active oxidation aluminium powder, 6 parts of carbide fine powder, metal
5 parts of aluminium powder, 3 parts of metallic silicon power, 2 parts of carbon black, 1 part of boron carbide, 4.2 parts of additional phenolic resin, 0.3 part of resin curing agent, activity
1 part of organosilanol liquid.
Wherein corundum in granules include 2mm < partial size≤3mm corundum 10%, 20 parts of corundum of 1mm < partial size≤2mm,
20 parts of corundum of 0.5mm < partial size≤1mm, 15 parts of corundum of 0mm < partial size≤0.5mm, Al in corundum in granules2O3Content >=
99.0%；
Corundum fine powder partial size≤0.045mm, wherein Al2O3Content >=99.0%；The partial size of the activated carbon oxidation aluminium powder≤
0.045mm, wherein Al2O3Content >=99.7%, Na2O content≤0.11%；Carbide fine powder partial size≤the 0.045mm, wherein
SiC content >=96.0%；The metallic aluminium powder partial size is 0mm < partial size≤0.088mm, metal aluminum content >=99.0% therein；
The metallic silicon power partial size is 0mm < partial size≤0.045mm, metal silicone content >=99.0% therein.
It is a kind of add active organosilicon alkanol the production method for not burning sliding plate brick the following steps are included: weighing each original according to the ratio
Material, by powder therein be added taper kneading machine, including corundum in granules, corundum fine powder, active oxidation aluminium powder, carbide fine powder,
Metallic aluminium powder, metallic silicon power, carbon black, boron carbide are uniformly mixed, and obtain mixed powder, are packed spare；By a certain amount of phenolic aldehyde tree
Rouge and organosilanol liquid agitation are uniformly spare；Edge runner-wet mill is added in remaining particulate material, then resin curing agent is added
It into particle, is uniformly mixed, phenolic resin and organosilicon mixture is then added, mixed powder is added after 3-5 minutes in mixing, mixes
It grinds 25-40 minutes, repressed molding obtains blank；Blank is dried at 200-220 DEG C, obtains addition organosilicon
Do not burn sliding plate brick.
Embodiment 2
The present embodiment and the difference of embodiment 1 are: a kind of addition active organosilicon alkanol does not burn sliding plate brick by following heavy
Measure the raw material composition of number: 65 parts of corundum in granules, 11 parts of corundum fine powder, 5 parts of active oxidation aluminium powder, 6 parts of carbide fine powder, metal
7 parts of aluminium powder, 2 parts of metallic silicon power, 2 parts of carbon black, 1 part of boron carbide, 3.8 parts of additional phenolic resin, 0.3 part of resin curing agent, activity
0.8 part of organosilanol liquid.
Wherein corundum in granules include 5 parts of 2mm < partial size≤3mm corundum, 25 parts of corundum of 1mm < partial size≤2mm,
15 parts of corundum of 0.5mm < partial size≤1mm, 20 parts of corundum of 0mm < partial size≤0.5mm, Al in corundum in granules2O3Content >=
99.0%；
Other raw material compositions, production method are same as Example 1.
Embodiment 3
The present embodiment and the difference of embodiment 1 are: a kind of addition active organosilicon alkanol does not burn sliding plate brick by following heavy
Measure the raw material composition of number: 65 parts of corundum in granules, 9 parts of corundum fine powder, 6 parts of active oxidation aluminium powder, 7 parts of carbide fine powder, metal
6 parts of aluminium powder, 2 parts of metallic silicon power, 2 parts of carbon black, 1 part of boron carbide, 3.7 parts of additional phenolic resin, 0.5 part of resin curing agent, activity
1.5 parts of organosilanol liquid.
Wherein corundum in granules include 15 parts of 2mm < partial size≤3mm corundum, 25 parts of corundum of 1mm < partial size≤2mm,
15 parts of corundum of 0.5mm < partial size≤1mm, 10 parts of corundum of 0mm < partial size≤0.5mm, Al in corundum in granules2O3Content >=
99.0%；
Other raw material compositions, production method are same as Example 1.
Embodiment 4
The present embodiment and the difference of embodiment 1 are: a kind of addition active organosilicon alkanol does not burn sliding plate brick by following heavy
Measure the raw material composition of number: 56 parts of corundum in granules, 12 parts of corundum fine powder, 5 parts of active oxidation aluminium powder, 8 parts of carbide fine powder, metal
10 parts of aluminium powder, 3 parts of metallic silicon power, 2 parts of carbon black, 1 part of boron carbide, 3.9 parts of additional phenolic resin, 0.5 part of resin curing agent, activity
1.2 parts of organosilanol liquid.
Wherein corundum in granules include 10 parts of 2mm < partial size≤3mm corundum, 15 parts of corundum of 1mm < partial size≤2mm,
15 parts of corundum of 0.5mm < partial size≤1mm, 16 parts of corundum of 0mm < partial size≤0.5mm, Al in corundum in granules2O3Content >=
99.0%；
Other raw material compositions, production method are same as Example 1.
Embodiment 5
The present embodiment and the difference of embodiment 1 are: a kind of addition active organosilicon alkanol does not burn sliding plate brick by following heavy
Measure the raw material composition of number: 50 parts of corundum in granules, 18 parts of corundum fine powder, 8 parts of active oxidation aluminium powder, 11 parts of carbide fine powder, gold
Category 5 parts of aluminium powder, 5 parts of metallic silicon power, 0.5 part of carbon black, 2 parts of boron carbide, 4.0 parts of additional phenolic resin, 0.4 part of resin curing agent,
0.8 part of active organosilicon alkanol liquid.
Wherein corundum in granules include 8 parts of 2mm < partial size≤3mm corundum, 15 parts of corundum of 1mm < partial size≤2mm,
15 parts of corundum of 0.5mm < partial size≤1mm, 12 parts of corundum of 0mm < partial size≤0.5mm, Al in corundum in granules2O3Content >=
99.0%；
Other raw material compositions, production method are same as Example 1.
Embodiment 6
The present embodiment and the difference of embodiment 1 are: a kind of addition active organosilicon alkanol does not burn sliding plate brick by following heavy
Measure the raw material composition of number: 70 parts of corundum in granules, 5 parts of corundum fine powder, 3 parts of active oxidation aluminium powder, 8 parts of carbide fine powder, metal
6 parts of aluminium powder, 2 parts of metallic silicon power, 3 parts of carbon black, 2 parts of boron carbide, 5.5 parts of additional phenolic resin, 0.5 part of resin curing agent, activity
2.5 parts of organosilanol liquid.
Wherein corundum in granules include 12 parts of 2mm < partial size≤3mm corundum, 33 parts of corundum of 1mm < partial size≤2mm,
15 parts of corundum of 0.5mm < partial size≤1mm, 10 parts of corundum of 0mm < partial size≤0.5mm, Al in corundum in granules2O3Content >=
99.0%；
Other raw material compositions, production method are same as Example 1.
Embodiment 7
The present embodiment and the difference of embodiment 1 are: a kind of addition active organosilicon alkanol does not burn sliding plate brick by following heavy
Measure the raw material composition of number: 60 parts of corundum in granules, 20 parts of corundum fine powder, 4 parts of active oxidation aluminium powder, 5 parts of carbide fine powder, metal
2 parts of aluminium powder, 1 part of metallic silicon power, 2.5 parts of carbon black, 0.2 part of boron carbide, 5.0 parts of additional phenolic resin, 0.4 part of resin curing agent,
2.3 parts of active organosilicon alkanol liquid.
Wherein corundum in granules include 10 parts of 2mm < partial size≤3mm corundum, 20 parts of corundum of 1mm < partial size≤2mm,
20 parts of corundum of 0.5mm < partial size≤1mm, 10 parts of corundum of 0mm < partial size≤0.5mm, Al in corundum in granules2O3Content >=
99.0%；
Other raw material compositions, production method are same as Example 1.
Embodiment 8
The present embodiment and the difference of embodiment 1 are: a kind of addition active organosilicon alkanol does not burn sliding plate brick by following heavy
Measure the raw material composition of number: 68 parts of corundum in granules, 7 parts of corundum fine powder, 10 parts of active oxidation aluminium powder, 5 parts of carbide fine powder, metal
3 parts of aluminium powder, 4 parts of metallic silicon power, 0.5 part of carbon black, 2 parts of boron carbide, 3.5 parts of additional phenolic resin are 0.6 part of resin curing agent, living
1.4 parts of liquid of organosilanol of property.
Wherein corundum in granules include 8 parts of 2mm < partial size≤3mm corundum, 25 parts of corundum of 1mm < partial size≤2mm,
15 parts of corundum of 0.5mm < partial size≤1mm, 20 parts of corundum of 0mm < partial size≤0.5mm, Al in corundum in granules2O3Content >=
99.0%；
The above is only used to illustrate the technical scheme of the present invention and not to limit it, and those of ordinary skill in the art are to of the invention
The other modifications or equivalent replacement that technical solution is made as long as it does not depart from the spirit and scope of the technical scheme of the present invention should all
It is included within the scope of the claims of the present invention.
Claims (7)
1. a kind of addition active organosilicon alkanol does not burn sliding plate brick, it is characterised in that it by following parts by weight raw material group
At: 50-70 parts of corundum in granules, 5-20 parts of corundum fine powder, 5-15 parts of active oxidation aluminium powder, 3-10 parts of carbide fine powder, metallic aluminium
2-10 parts of powder, 1-5 parts of metallic silicon power, 0.5-5 parts of carbon black, 0.5-2 parts of boron carbide, additional above-mentioned raw materials total amount 3.5-5.5% phenolic aldehyde
Resin, resin curing agent are the 5-20% of phenolic resin additional amount, and active organosilicon alkanol is the 10- of phenolic resin additional amount
50%。
2. a kind of addition active organosilicon alkanol according to claim 1 does not burn sliding plate brick, it is characterised in that: described
Corundum in granules includes 5-15 parts of 2mm < partial size≤3mm corundum, 1mm < partial size≤2mm 15-35 parts of corundum, 0.5mm <
15-20 parts of diameter≤1mm corundum, 10-20 parts of corundum of 0mm < partial size≤0.5mm, Al in corundum in granules2O3Content >=99.0%；
Corundum fine powder partial size≤the 0.045mm, wherein Al2O3Content >=99.0%；The partial size of the activated carbon oxidation aluminium powder≤
0.045mm, wherein Al2O3Content >=99.7%, Na2O content≤0.11%；Carbide fine powder partial size≤the 0.045mm, wherein
SiC content >=96.0%；The metallic aluminium powder partial size is 0mm < partial size≤0.088mm, metal aluminum content >=99.0% therein；
The metallic silicon power partial size is 0mm < partial size≤0.045mm, metal silicone content >=99.0% therein.
3. it is a kind of add active organosilicon alkanol the production method for not burning sliding plate brick it is characterized in that it the following steps are included: pressing
Proportion weigh each raw material, by powder therein be added taper kneading machine, including corundum in granules, corundum fine powder, active oxidation aluminium powder,
Carbide fine powder, metallic aluminium powder, metallic silicon power, carbon black, boron carbide are uniformly mixed, and obtain mixed powder, are packed spare；By one
Quantitative phenolic resin and organosilanol liquid agitation are uniformly spare；Edge runner-wet mill is added in remaining particulate material, it then will tree
Rouge curing agent is added in particle, is uniformly mixed, and phenolic resin and organosilicon mixture is then added, adds after mixing 3-5 minutes
Enter mixed powder, mixed grind 25-40 minutes, repressed molding obtained blank；Blank is dried at 200-220 DEG C, is obtained
Addition organosilicon does not burn sliding plate brick.
4. a kind of addition active organosilicon alkanol according to claim 1 does not burn sliding plate brick, it is characterised in that: the carbon
Change partial size≤0.045mm of boron, be carbonized boron content >=98.0%；Partial size≤0.088mm of the carbon black, carbon content >=98.0%.
5. a kind of production method for not burning sliding plate brick for adding active organosilicon alkanol according to claim 3, feature
Be: the phenolic resin is thermoplastic resin, and resin curing agent is the methenamine of 1-0.
6. a kind of production method for not burning sliding plate brick for adding active organosilicon alkanol according to claim 3, feature
Be: the active organosilicon alkanol is a kind of active organosilicon alkanol liquid.
7. a kind of production method for not burning sliding plate brick for adding active organosilicon alkanol according to claim 3, feature
Be: described does not burn the dry heating curve of sliding plate brick drying are as follows: 80 DEG C is warmed naturally to, then with 5 DEG C per hour of speed
Rate is warming up to 120 DEG C, 120 DEG C of 12 hours of heat preservation, is then warming up to 200 DEG C with 5 DEG C per hour of rate, and it is small then to save 8
When more than.
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Cited By (2)
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| CN118619691A (en) * | 2024-05-23 | 2024-09-10 | 巩义市第五耐火材料有限公司 | Microporous corundum brick and preparation method thereof |
| CN118619691B (en) * | 2024-05-23 | 2024-11-12 | 巩义市第五耐火材料有限公司 | Microporous corundum brick and preparation method thereof |
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