CN107628817A - A kind of Environment-friendlyzirconium zirconium matter dry materials - Google Patents
A kind of Environment-friendlyzirconium zirconium matter dry materials Download PDFInfo
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- CN107628817A CN107628817A CN201710758049.7A CN201710758049A CN107628817A CN 107628817 A CN107628817 A CN 107628817A CN 201710758049 A CN201710758049 A CN 201710758049A CN 107628817 A CN107628817 A CN 107628817A
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Abstract
The present invention relates to a kind of Environment-friendlyzirconium zirconium matter dry materials, include the raw material of following parts by weight：65 85 parts of fused magnesite；It is calcined 20 25 parts of magnesia；25 35 parts of calcium magnesite；8 12 parts of alumina fine powder；5 10 parts of zirconium matter micro mist；5 10 parts of 10 15 parts of combined binder and additive.Product of the present invention, raw material are safe and non-toxic, and user and environment will not be had undesirable effect；With continuous casting time lengthening；The permanent liner life-span increases；The tundish thermal efficiency improves；Tundish turnover is accelerated；Skull clearance rate improves；Middle inclusion quantity is stable；Energy requirements amount is reduced；Steel product quality improves；The feature performance benefits such as plant maintenance is few, complexity reduces.
Description
Technical field
The present invention relates to field of metallurgy, especially a kind of Environment-friendlyzirconium zirconium matter dry materials.
Background technology
At present, dry materials are widely used in metallurgical industry kiln and Thermal Equipment and structures, are during pneumatic steelmaking is used
Between bag working lining preferred material, its use, which increases, middle contain molten steel amount, reduces slag dry slag amount, improves safe system
Number, thermal conductivity factor is reduced, so as to greatly improve steel-making efficiency, save energy consumption, improve steel product quality comprehensively.But
In use, resin-bonded tundish dry material also exposes problems：Cause molten steel recarburization；Corrosion resistance is poor；
Solid phenolic resin bonding agent discharge of noxious gases amount in Baking out is big, pollutes environment, is unfavorable for clean steel-making and environmental protection
Health hazard is brought Deng requirement, while to operation workmen.
A kind of " environment-protection dry type vibrating material " is disclosed in Chinese patent literature, its notification number is CN101921119A, should
Invention use phenolic resin methenamine is curing agent for bonding agent, obtained environment-protection dry type have high vibration fold resistance and
Compressive resistance.But the invention is not solved in dry-type vibration material due to the aldehyde pollution problem that dissociates caused by phenolic resin.Cause
This, it is that those skilled in the art urgently solve that the security of material how is improved on the premise of dry-type vibration material excellent properties are ensured
Technical problem certainly.
The content of the invention
It is an object of the invention in order to solve existing zirconium matter dry materials be unfavorable for clean steel-making and it is environmentally friendly the defects of and carry
There are good anti-molten steel, slag performance and heat-resistant knocking stability for one kind；And environmental protection, efficient, service life length Environment-friendlyzirconium zirconium matter
Dry materials.
To achieve these goals, the present invention uses following technical scheme：
A kind of Environment-friendlyzirconium zirconium matter dry materials, include the raw material of following parts by weight：：Fused magnesite 65-85 parts；It is calcined magnesia 20-
25 parts；Calcium magnesite 25-35 parts；Alumina fine powder 8-12 parts；Zirconium matter micro mist 5-10 parts；Combined binder 10-15 parts and additive 5-
10 parts.
Preferably, the combined binder is made up of the raw material of following parts by weight：Modified poly- polysaccharide 22-25 parts are high resistance to
Grind carbon black 3-5 parts and absolute ethyl alcohol 3-5 parts.
In the technical program, use combined binder environmentally friendly harmless with its, and can meets that the performance of material will
Ask so that remaining raw material can be preferably combined together, and improve the combination property of material；Modified poly- polysaccharide has biodegradation
With good compatibility, and its surface-active is high, specific surface area is high, and homogeneous continuous phase knot can be formed when combining remaining raw material
Structure, it can be good at improving intensity, reach the effect of synchronous activeness and quietness.
Preferably, the preparation method of the poly- polysaccharide of modification is：Poly- polysaccharide and distilled water are configured to mass fraction
5.5-6% poly- polysaccharide solution；Added into poly- polysaccharide solution and account for the amide-type monomer of poly- 35 times of polysaccharide quality, add account for it is poly-
The crosslinking agent of polysaccharide and amide-type monomer gross mass 2-5%；Nitrogen isolation air is passed through in closed system, addition accounts for poly- polysaccharide
With amide-type monomer gross mass 3-5% initiator；Modification is prepared in isothermal reaction 6-8 hours at being 75-90 DEG C in temperature
Poly- polysaccharide.
Preferably, the poly- polysaccharide is glucan, pulullan polysaccharide or lentinan, described initiator is compounding
(NH4)2[Ce(NO3)6]；The initiator wherein compounded is according to mol ratio 1:1 proportioning.
Preferably, described amide-type monomer is acrylamide, 2- acrylamide-2-methylpro panesulfonic acids and N- isopropyls
Any one or more in base acrylamide, crosslinking agent N, N '-methylene-bisacrylamide, polyoxy alkane alkene diallyl ether and
Any one in polyethylene glycol dimethacrylate.
Preferably, described high wear-resistant carbon black, by being modified, its step is as follows：The silane coupler taken is dissolved in water-second
Alcohol 1:In 1 solution, high wear-resistant carbon black is added at room temperature, ultrasonic disperse 6 minutes, 60 DEG C is heated to, stirring reaction 1 hour, filters,
Obtained filter cake is washed with absolute ethyl alcohol and is dried in vacuo 3 hours at 3 times, 70 DEG C, is obtained through silane coupler modified high resistance to
Grind carbon black；Silane coupler is that silane resin acceptor kh-550, silane coupler KH-560, silane coupler KH-580 or silane are even
Join one or more mixtures in agent KH-792, described silane coupler and water-ethanol 1:The mass ratio of 1 solution is 1:
5, its dosage of described silane coupler is the 10% of high wear-resistant carbon black.
Preferably, additive is polycarboxylate water reducer.
The beneficial effects of the invention are as follows：Product, raw material are safe and non-toxic, and bad shadow will not be caused to user and environment
Ring；With continuous casting time lengthening；The permanent liner life-span increases；The tundish thermal efficiency improves；Tundish turnover is accelerated；Skull clearance rate
Improve；Middle inclusion quantity is stable；Energy requirements amount is reduced；Steel product quality improves；The performances such as plant maintenance is few, complexity reduces
Advantage.
Embodiment
Below by specific embodiment, technical scheme is described in further detail.
In the present invention, if not refering in particular to, all devices and raw material are commercially available or the industry is conventional, following
Method in embodiment, it is this area conventional method unless otherwise instructed.
Embodiment 1
A kind of Environment-friendlyzirconium zirconium matter dry materials, include the raw material of following parts by weight：：85 parts of fused magnesite；It is calcined 25 parts of magnesia；Magnesium
35 parts of calcium sand；12 parts of alumina fine powder；10 parts of zirconium matter micro mist；10 parts of 15 parts of combined binder and additive.
The combined binder is made up of the raw material of following parts by weight：Modified poly- 25 parts of polysaccharide, 5 parts of high wear-resistant carbon black and nothing
5 parts of water-ethanol.
The preparation method of the poly- polysaccharide of modification is：Poly- polysaccharide and distilled water are configured to the poly- more of mass fraction 5.5%
Sugar juice；The amide-type monomer for accounting for poly- 35 times of polysaccharide quality is added into poly- polysaccharide solution, adds and accounts for poly- polysaccharide and amide-type
The crosslinking agent of monomer gross mass 2%；Nitrogen isolation air is passed through in closed system, it is total that addition accounts for poly- polysaccharide and amide-type monomer
The initiator of quality 3%；Modified poly- polysaccharide is prepared for 6 hours in isothermal reaction at being 75 DEG C in temperature.
The poly- polysaccharide is pulullan polysaccharide, and described initiator is the (NH of compounding4)2[Ce(NO3)6]；Wherein compound
Initiator is according to mol ratio 1:1 proportioning.
Described amide-type monomer is 2- acrylamide-2-methylpro panesulfonic acids, crosslinking agent N, N '-methylene bisacrylamide
Acid amides.
For described high wear-resistant carbon black by being modified, its step is as follows：The silane coupler taken is dissolved in water-ethanol 1:1 solution
In, high wear-resistant carbon black is added at room temperature, ultrasonic disperse 6 minutes, is heated to 60 DEG C, stirring reaction 1 hour, is filtered, by what is obtained
Filter cake is washed with absolute ethyl alcohol and is dried in vacuo 3 hours at 3 times, 70 DEG C, is obtained through silane coupler modified high wear-resistant carbon black；Silicon
Alkane coupling agent is one or more mixtures in silane coupler KH-792, described silane coupler and water-ethanol 1:1
The mass ratio of solution is 1:5, its dosage of described silane coupler is the 10% of high wear-resistant carbon black.
Additive is polycarboxylate water reducer.
Embodiment 2
A kind of Environment-friendlyzirconium zirconium matter dry materials, include the raw material of following parts by weight：：77 parts of fused magnesite；It is calcined 22 parts of magnesia；Magnesium
28 parts of calcium sand；10 parts of alumina fine powder；8 parts of zirconium matter micro mist；8 parts of 12 parts of combined binder and additive.
The combined binder is made up of the raw material of following parts by weight：Modified poly- 23 parts of polysaccharide, 3.5 parts of high wear-resistant carbon black with
4 parts of absolute ethyl alcohol.
The preparation method of the poly- polysaccharide of modification is：Poly- polysaccharide and distilled water are configured to the poly- more of mass fraction 5.8%
Sugar juice；The amide-type monomer for accounting for poly- 35 times of polysaccharide quality is added into poly- polysaccharide solution, adds and accounts for poly- polysaccharide and amide-type
The crosslinking agent of monomer gross mass 3%；Nitrogen isolation air is passed through in closed system, it is total that addition accounts for poly- polysaccharide and amide-type monomer
The initiator of quality 4%；Modified poly- polysaccharide is prepared for 7 hours in isothermal reaction at being 85 DEG C in temperature.
The poly- polysaccharide is lentinan, and described initiator is the (NH of compounding4)2[Ce(NO3)6]；What is wherein compounded draws
Agent is sent out according to mol ratio 1:1 proportioning.
Described amide-type monomer is NIPA, and crosslinking agent is polyoxy alkane alkene diallyl ether.
For described high wear-resistant carbon black by being modified, its step is as follows：The silane coupler taken is dissolved in water-ethanol 1:1 solution
In, high wear-resistant carbon black is added at room temperature, ultrasonic disperse 6 minutes, is heated to 60 DEG C, stirring reaction 1 hour, is filtered, by what is obtained
Filter cake is washed with absolute ethyl alcohol and is dried in vacuo 3 hours at 3 times, 70 DEG C, is obtained through silane coupler modified high wear-resistant carbon black；Silicon
Alkane coupling agent is silane coupler KH-560, silane coupler KH-580, described silane coupler and water-ethanol 1:1 solution
Mass ratio be 1:5, its dosage of described silane coupler is the 10% of high wear-resistant carbon black.
Additive is polycarboxylate water reducer.
Embodiment 3
A kind of Environment-friendlyzirconium zirconium matter dry materials, include the raw material of following parts by weight：：65 parts of fused magnesite；It is calcined 20 parts of magnesia；Magnesium
25 parts of calcium sand；8 parts of alumina fine powder；5 parts of zirconium matter micro mist；5 parts of 10 parts of combined binder and additive.
The combined binder is made up of the raw material of following parts by weight：Modified poly- 22 parts of polysaccharide, 3 parts of high wear-resistant carbon black and nothing
3 parts of water-ethanol.
The preparation method of the poly- polysaccharide of modification is：Poly- polysaccharide and distilled water are configured to the poly- polysaccharide of mass fraction 6%
Solution；The amide-type monomer for accounting for poly- 35 times of polysaccharide quality is added into poly- polysaccharide solution, adds and accounts for poly- polysaccharide and amide-type list
The crosslinking agent of body gross mass 5%；Nitrogen isolation air is passed through in closed system, addition accounts for the poly- total matter of polysaccharide and amide-type monomer
The initiator of amount 5%；Modified poly- polysaccharide is prepared for 8 hours in isothermal reaction at being 90 DEG C in temperature.
The poly- polysaccharide is glucan, and described initiator is the (NH of compounding4)2[Ce(NO3)6]；The initiation wherein compounded
Agent is according to mol ratio 1:1 proportioning.
Described amide-type monomer is acrylamide, and crosslinking agent is any one in polyethylene glycol dimethacrylate
Kind.
For described high wear-resistant carbon black by being modified, its step is as follows：The silane coupler taken is dissolved in water-ethanol 1:1 solution
In, high wear-resistant carbon black is added at room temperature, ultrasonic disperse 6 minutes, is heated to 60 DEG C, stirring reaction 1 hour, is filtered, by what is obtained
Filter cake is washed with absolute ethyl alcohol and is dried in vacuo 3 hours at 3 times, 70 DEG C, is obtained through silane coupler modified high wear-resistant carbon black；Silicon
Alkane coupling agent is silane resin acceptor kh-550, silane coupler KH-560, described silane coupler and water-ethanol 1:1 solution
Mass ratio be 1:5, its dosage of described silane coupler is the 10% of high wear-resistant carbon black.
Additive is polycarboxylate water reducer.
Zirconium matter micro mist is added into refractory material, mainly there are following two effects：
First, principal crystalline phase or secondary crystalline phase are generated, makes material that there is special performance.The oxidation of zirconium matter micro mist and material at high temperature
The principal crystalline phase that aluminium, silica are formed is baddeleyite and the eutectoid (Z+C) of corundum, or baddeleyite, corundum and mullite (Z+C+
M).(Z+C) presence of eutectoid, make the anti-molten steel chemical erosion ability of dry materials stronger than common dry-type vibration material 1-5 times.
2nd, effect is modified to original material.ZrO2 toughening effect is utilized in tundish dry vibratory material, significantly
The heat-resistant knocking stability of dry-type vibration material is improved, corrodes product other molten steel infiltration not easy to crack, and then improve product and use the longevity
Life.
By introducing self-control combined binder in tundish dry vibratory material, make Metal in Tundish not carburetting, will not produce
Give birth to environmental pollution and endanger worker's health.
The Environment-friendlyzirconium zirconium matter dry materials obtained to embodiment 1-3 detect, and table 1 is Environment-friendlyzirconium zirconium matter prepared by embodiment
The test value of dry materials physical and chemical index.
Table 1
Normal temperature test temperature is 20 DEG C, and high temperature test temperature is 1000 DEG C.
Thermal cycle test condition is cooled to room temperature to be rapidly heated to air after 1500 DEG C, is repeated 10 times.
Claims (7)
1. a kind of Environment-friendlyzirconium zirconium matter dry materials, it is characterised in that include the raw material of following parts by weight：：Fused magnesite 65-85
Part；It is calcined magnesia 20-25 parts；Calcium magnesite 25-35 parts；Alumina fine powder 8-12 parts；Zirconium matter micro mist 5-10 parts；Combined binder 10-
15 parts and additive 5-10 parts.
2. a kind of Environment-friendlyzirconium zirconium matter dry materials according to claim 1, it is characterised in that the combined binder is by following
The raw material of parts by weight is made：Modified poly- polysaccharide 22-25 parts, high wear-resistant carbon black 3-5 parts and absolute ethyl alcohol 3-5 parts.
A kind of 3. Environment-friendlyzirconium zirconium matter dry materials according to claim 2, it is characterised in that the preparation of the poly- polysaccharide of modification
Method is：Poly- polysaccharide and distilled water are configured to mass fraction 5.5-6% poly- polysaccharide solution；Add and account for into poly- polysaccharide solution
The amide-type monomer of poly- 35 times of polysaccharide quality, adds the crosslinking agent for accounting for poly- polysaccharide and amide-type monomer gross mass 2-5%；Sealing
Nitrogen isolation air is passed through in closure system, adds the initiator for accounting for poly- polysaccharide and amide-type monomer gross mass 3-5%；It is in temperature
Modified poly- polysaccharide is prepared in isothermal reaction 6-8 hours at 75-90 DEG C.
A kind of 4. Environment-friendlyzirconium zirconium matter dry materials according to claim 3, it is characterised in that the poly- polysaccharide be glucan,
Pulullan polysaccharide or lentinan, described initiator are the (NH of compounding4)2[Ce(NO3)6]；The initiator wherein compounded according to
Mol ratio 1:1 proportioning.
5. a kind of Environment-friendlyzirconium zirconium matter dry materials according to claim 3, it is characterised in that described amide-type monomer is third
Any one or more in acrylamide, 2- acrylamide-2-methylpro panesulfonic acids and NIPA, crosslinking agent N,
Any one in N '-methylene-bisacrylamide, polyoxy alkane alkene diallyl ether and polyethylene glycol dimethacrylate.
6. a kind of Environment-friendlyzirconium zirconium matter dry materials according to claim 2, it is characterised in that described high wear-resistant carbon black passes through
Modified, its step is as follows：The silane coupler taken is dissolved in water-ethanol 1:In 1 solution, high wear-resistant carbon black is added at room temperature, ultrasound
It is scattered 6 minutes, 60 DEG C are heated to, stirring reaction 1 hour, filtering, obtained filter cake is washed at 3 times, 70 DEG C with absolute ethyl alcohol
Vacuum drying 3 hours, is obtained through silane coupler modified high wear-resistant carbon black；Silane coupler be silane resin acceptor kh-550,
One or more mixtures in silane coupler KH-560, silane coupler KH-580 or silane coupler KH-792, institute
The silane coupler stated and water-ethanol 1:The mass ratio of 1 solution is 1:5, its dosage of described silane coupler is high abrasion charcoal
Black 10%.
7. a kind of Environment-friendlyzirconium zirconium matter dry materials according to claim 1 or 2, it is characterised in that additive is polycarboxylate
Water reducer.
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| CN110078478A (en) * | 2019-04-30 | 2019-08-02 | 浙江攀盛冶金材料有限公司 | A kind of novel modified high attachment continuous casting production dry materials |
| CN117534326A (en) * | 2023-12-12 | 2024-02-09 | 广东兴辉陶瓷集团有限公司 | Preparation method of rock plate protection glaze and printed rock plate |
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Application publication date: 20180126 |