CN110396569A - A kind of silicon barium calcium inovulant and preparation method thereof - Google Patents
A kind of silicon barium calcium inovulant and preparation method thereof Download PDFInfo
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- CN110396569A CN110396569A CN201810370482.8A CN201810370482A CN110396569A CN 110396569 A CN110396569 A CN 110396569A CN 201810370482 A CN201810370482 A CN 201810370482A CN 110396569 A CN110396569 A CN 110396569A
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- inovulant
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- rare earth
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/08—Manufacture of cast-iron
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
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- Engineering & Computer Science (AREA)
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- Metallurgy (AREA)
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Abstract
The invention discloses a kind of silicon barium calcium inovulants and preparation method thereof, raw material including following parts by weight: Si:20~30 part, Al:1.0~2.0 part, (Ca) calcium: 30~40 parts, Ba:1.0~1.5 part, Cr:5~7 part, V:0.1~0.3 part, Nd:6~9 part, Mn:0.1~0.3 part, Sc:0.1~0.3 part, Cu:5~7 part, ferroso-ferric oxide: 10~15 parts, Ti:1.0~2.0 part, rare earth: 1.0~2.0 parts, when smelting furnace is kept the temperature to 1500~1600 DEG C, it pours into the quartz molds under liquid nitrogen cooler environment, silicon barium calcium inovulant is made, inovulant is ground, obtain inovulant powder.The operation strategies of inovulant of the invention are wide, meet a variety of type of cast, for example ball milling, plain cast iron and add silicon deoxidation, inovulant of the invention can be used, design rationally, is suitble to promote.
Description
Technical field
The present invention relates to silicon barium calcium inovulant technical fields more particularly to a kind of silicon barium calcium inovulant and preparation method thereof.
Background technique
Inovulant is that one kind can promote graphitization, reduces chilling tendency, improves graphite form and distribution situation, increases eutectic
Group's quantity, refines matrix, and (about 5-8 minutes) have good effect in its short time after inoculation.It is main to be applicable in
In the general right part or later period instant inoculation of various situations.Inoculation refers in process of setting, adds into liquid metal
A small amount of other materials promote forming core, inhibit growth, achieve the purpose that refine crystal grain.Traditionally, additive is added into cast iron to claim
For inoculation；Additive is added into non-ferrous alloy and then claims Metamorphism treatment.In essence, inoculation mainly influences forming core
With promotion Crystal detachment；And Metamorphism treatment is then the growth mechanism (inhibition is grown up) for changing crystal, to influence crystal morphology.
Existing inovulant has a single function, and general inovulant is divided into several classes, and a kind of inovulant is only applicable to one kind
Type of cast, existing inovulant stability is poor, is easy to appear chilling tendency, for this purpose, the present invention proposes that a kind of silicon barium calcium is pregnant
Educate agent and preparation method thereof.
Summary of the invention
The purpose of the present invention is to solve disadvantage existing in the prior art, and a kind of silicon barium calcium inovulant that proposes and
Preparation method.
To achieve the goals above, present invention employs following technical solutions:
A kind of silicon barium calcium inovulant, the raw material including following parts by weight: Si:20~30 part, Al:1.0~2.0 part, (Ca)
Calcium: 30~40 parts, Ba:1.0~1.5 part, Cr:5~7 part, V:0.1~0.3 part, Nd:6~9 part, Mn:0.1~0.3 part, Sc:
0.1~0.3 part, Cu:5~7 part, ferroso-ferric oxide: 10~15 parts, Ti:1.0~2.0 part, rare earth: 1.0~2.0 parts.
Preferably, the raw material including following parts by weight: Si:22~28 part, Al:1.2~1.8 part, calcium carbide: 33~37
Part, Ba:1.1~1.4 part, Cr:5.5~6.5 part, V:0.15~0.25 part, Nd:7~8 part, Mn:0.15~0.25 part, Sc:
0.15~0.25 part, Cu:5.5~6.5 part, ferroso-ferric oxide: 11~14 parts, Ti:1.1~1.8 part, rare earth: 1.2~1.8 parts.
Preferably, the raw material including following parts by weight: Si:25 parts, Al:1.5 parts, calcium carbide: 35 parts, Ba:1.25 parts,
Cr:6 parts, V:0.2 parts, Nd:7.5 parts, Mn:0.2 parts, Sc:0.2 parts, Cu:6 parts, ferroso-ferric oxide: 12.5 parts, Ti:1.50 parts,
Rare earth: 1.5 parts.
Preferably, the rare earth is at least one of selected from cerium, neodymium, terbium and yttrium, preferably at least one of yttrium and terbium.
A kind of preparation method of silicon barium calcium inovulant, includes the following steps,
S1, screening and crushing, by Si, Al, (Ca) calcium, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide, Ti and rare earth
Be respectively put into ball mill and ground, wherein Al, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide, Ti and rare earth grain
Diameter is controlled in 10~20mm, and the size controlling of (Ca) calcium and Si are in 1~5mm；
Al, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide and Ti are put into melt in furnace, are put into after fusing dilute by S2
Soil, calcium carbide and Si, are sufficiently stirred to obtain mixed solution A；
S3, when smelting furnace keep the temperature to 1100~1200 DEG C, pour into the quartz molds under liquid nitrogen cooler environment, be made (Ca) calcium
Inovulant grinds inovulant, obtains inovulant powder.
Preferably, in the S3, when smelting furnace keep the temperature to 1600 DEG C, pour into the quartz molds under liquid nitrogen cooler environment, make
(Ca) calcium inovulant is obtained, inovulant is ground, inovulant powder is obtained.
A kind of silicon barium calcium inovulant proposed by the present invention and preparation method thereof, by Al, Ba, Cr, V, Nd, Mn, Sc, Cu, four
Fe 3 O and Ti are put into melt in furnace, and rare earth, (Ca) calcium and Si are put into after fusing, is sufficiently stirred to obtain mixed solution A, when
Smelting furnace is kept the temperature to 1100 DEG C, is poured into the quartz molds under liquid nitrogen cooler environment, and calcium carbide inovulant is made, grinds to inovulant
Mill, obtains inovulant powder, wherein the addition of a variety of chemical elements improves the stability of inovulant, inovulant of the invention
Operation strategies it is wide, meet a variety of type of cast, for example ball milling, plain cast iron and add silicon deoxidation, the present invention can be used
Inovulant, design rationally, be suitble to promote.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.
Embodiment one
A kind of silicon barium calcium inovulant proposed by the present invention, the raw material including following parts by weight: the original including following parts by weight
Material: Si:25 parts, Al:1.5 parts, (Ca) calcium: 35 parts, Ba:1.25 parts, Cr:6 parts, V:0.2 parts, Nd:7.5 parts, Mn:0.2 parts,
Sc:0.2 parts, Cu:6 parts, ferroso-ferric oxide: 12.5 parts, Ti:1.50 parts, rare earth: 1.5 parts.
A kind of preparation method of silicon barium calcium inovulant proposed by the present invention, includes the following steps,
S1, screening and crushing, by Si, Al, (Ca) calcium, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide, Ti and rare earth
Be respectively put into ball mill and ground, wherein Al, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide, Ti and rare earth grain
Diameter is controlled in 10mm, and the size controlling of (Ca) calcium and Si are in 1mm；
Al, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide and Ti are put into melt in furnace, are put into after fusing dilute by S2
Soil, calcium carbide and Si, are sufficiently stirred to obtain mixed solution A；
S3, when smelting furnace keep the temperature to 1600 DEG C, pour into the quartz molds under liquid nitrogen cooler environment, obtained calcium carbide is bred
Agent grinds inovulant, obtains inovulant powder.
Embodiment two
A kind of silicon barium calcium inovulant proposed by the present invention, the raw material including following parts by weight: the original including following parts by weight
Material: Si:25 parts, Al:1.5 parts, calcium carbide: 35 parts, Ba:1.25 parts, Cr:6 parts, V:0.2 parts, Nd:7.5 parts, Mn:0.2 parts,
Sc:0.2 parts, Cu:6 parts, ferroso-ferric oxide: 12.5 parts, Ti:1.50 parts, rare earth: 1.5 parts.
A kind of preparation method of silicon barium calcium inovulant proposed by the present invention, includes the following steps,
S1, screening and crushing, by Si, Al, calcium carbide, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide, Ti and rare earth
Be respectively put into ball mill and ground, wherein Al, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide, Ti and rare earth grain
Diameter is controlled in 15mm, and the size controlling of calcium carbide and Si are in 2mm；
Al, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide and Ti are put into melt in furnace, are put into after fusing dilute by S2
Soil, calcium carbide and Si, are sufficiently stirred to obtain mixed solution A；
S3, when smelting furnace keep the temperature to 1600 DEG C, pour into the quartz molds under liquid nitrogen cooler environment, obtained calcium carbide is bred
Agent grinds inovulant, obtains inovulant powder.
Embodiment three
A kind of silicon barium calcium inovulant proposed by the present invention, the raw material including following parts by weight: the original including following parts by weight
Material: Si:25 parts, Al:1.5 parts, (Ca) calcium: 35 parts, Ba:1.25 parts, Cr:6 parts, V:0.2 parts, Nd:7.5 parts, Mn:0.2 parts,
Sc:0.2 parts, Cu:6 parts, ferroso-ferric oxide: 12.5 parts, Ti:1.50 parts, rare earth: 1.5 parts.
A kind of preparation method of silicon barium calcium inovulant proposed by the present invention, includes the following steps,
S1, screening and crushing, by Si, Al, (Ca) calcium, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide, Ti and rare earth
Be respectively put into ball mill and ground, wherein Al, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide, Ti and rare earth grain
Diameter is controlled in 20mm, and the size controlling of (Ca) calcium and Si are in 5mm；
Al, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide and Ti are put into melt in furnace, are put into after fusing dilute by S2
Soil, calcium carbide and Si, are sufficiently stirred to obtain mixed solution A；
S3, when smelting furnace keep the temperature to 1200 DEG C, pour into the quartz molds under liquid nitrogen cooler environment, be made silicon barium calcium breed
Agent grinds inovulant, obtains inovulant powder.
The spoken parts in traditional operas rate of the calcium carbide inovulant prepared in the embodiment of the present invention one~tri- is tested respectively, and is tested market and sold
Silicon barium calcium inovulant compare:
| Embodiment | Spoken parts in traditional operas rate (%) |
| One | 0.56 |
| Two | 0.60 |
| Three | 0.72 |
| Control group | 2.52 |
From above table as can be seen that existing silicon barium calcium inovulant effect it is not of the invention effect it is good, be easy
There is spoken parts in traditional operas, silicon barium calcium inovulant prepared by the present invention is suitble to promote and produce thus.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of silicon barium calcium inovulant, which is characterized in that the raw material including following parts by weight: Si:20~30 part, Al:1.0~
2.0 parts, (Ca) calcium: 30~40 parts, Ba:1.0~1.5 part, Cr:5~7 part, V:0.1~0.3 part, Nd:6~9 part, Mn:0.1
~0.3 part, Sc:0.1~0.3 part, Cu:5~7 part, ferroso-ferric oxide: 10~15 parts, Ti:1.0~2.0 part, rare earth: 1.0~
2.0 part.
2. a kind of silicon barium calcium inovulant according to claim 1, which is characterized in that the raw material including following parts by weight: Si:
22~28 parts, Al:1.2~1.8 part, (Ca) calcium: 33~37 parts, Ba:1.1~1.4 part, Cr:5.5~6.5 part, V:0.15~
0.25 part, Nd:7~8 part, Mn:0.15~0.25 part, Sc:0.15~0.25 part, Cu:5.5~6.5 part, ferroso-ferric oxide: 11
~14 parts, Ti:1.1~1.8 part, rare earth: 1.2~1.8 parts.
3. a kind of silicon barium calcium inovulant according to claim 1, which is characterized in that the raw material including following parts by weight: Si:
25 parts, Al:1.5 parts, (Ca) calcium: 35 parts, Ba:1.25 parts, Cr:6 parts, V:0.2 parts, Nd:7.5 parts, Mn:0.2 parts, Sc:0.2
Part, Cu:6 parts, ferroso-ferric oxide: 12.5 parts, Ti:1.50 parts, rare earth: 1.5 parts.
4. a kind of silicon barium calcium inovulant according to claim 1, which is characterized in that the rare earth be selected from cerium, neodymium, terbium and
At least one of yttrium, preferably at least one of yttrium and terbium.
5. a kind of preparation method of silicon barium calcium inovulant, which is characterized in that include the following steps,
S1, screening and crush, by Si, Al, (Ca) calcium, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide (Fe3o4), Ti and
Rare earth (Re), which is respectively put into ball mill, to be ground, wherein Al, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide
(Fe3o4), the size controlling of Ti and rare earth (Re) is in 10~20mm, and the size controlling of (Ca) calcium and Si are in 1~5mm；
Al, Ba, Cr, V, Nd, Mn, Sc, Cu, ferroso-ferric oxide and Ti are put into melt in furnace by S2, be put into after fusing rare earth,
(Ca) calcium and Si are sufficiently stirred to obtain mixed solution A；
S3, when smelting furnace keep the temperature to 1100~1200 DEG C, pour into the quartz molds under liquid nitrogen cooler environment, be made silicon barium calcium breed
Agent grinds inovulant, obtains inovulant powder.
6. a kind of preparation method of silicon barium calcium inovulant according to claim 5, which is characterized in that in the S3, when molten
Furnace is kept the temperature to 1150 DEG C, is poured into the quartz molds under liquid nitrogen cooler environment, and silicon barium calcium inovulant is made, and is ground to inovulant,
Obtain inovulant powder.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278874A (en) * | 2021-04-19 | 2021-08-20 | 成都宏源铸造材料有限公司 | Nickel-chromium alloy inoculant and preparation method thereof |
| CN113718079A (en) * | 2021-08-25 | 2021-11-30 | 镇江东丰特殊合金有限公司 | Special inoculant for silicon-barium cast iron and manufacturing equipment thereof |
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| SU1155625A1 (en) * | 1983-08-04 | 1985-05-15 | Всесоюзный Научно-Исследовательский Институт Литейного Машиностроения,Литейной Технологии И Автоматизации Литейного Производства | Multiple modifier for gray iron |
| CN104195414A (en) * | 2014-08-18 | 2014-12-10 | 成都宏源铸造材料有限公司 | Preparation method and application of silicon granule nucleating agent |
| CN104962802A (en) * | 2014-08-14 | 2015-10-07 | 成都宏源铸造材料有限公司 | Inoculation agent for camshaft and preparation method and application thereof |
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| SU1155625A1 (en) * | 1983-08-04 | 1985-05-15 | Всесоюзный Научно-Исследовательский Институт Литейного Машиностроения,Литейной Технологии И Автоматизации Литейного Производства | Multiple modifier for gray iron |
| CN105087848A (en) * | 2014-05-11 | 2015-11-25 | 镇江忆诺唯记忆合金有限公司 | Composite rare earth inoculant for grey cast iron |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278874A (en) * | 2021-04-19 | 2021-08-20 | 成都宏源铸造材料有限公司 | Nickel-chromium alloy inoculant and preparation method thereof |
| CN113718079A (en) * | 2021-08-25 | 2021-11-30 | 镇江东丰特殊合金有限公司 | Special inoculant for silicon-barium cast iron and manufacturing equipment thereof |
| CN113718079B (en) * | 2021-08-25 | 2023-03-14 | 镇江东丰特殊合金有限公司 | Inoculant making equipment |
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