CN107326145A - A kind of alloy Investment Steel Castings casting carburant and its preparation technology - Google Patents
A kind of alloy Investment Steel Castings casting carburant and its preparation technology Download PDFInfo
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- CN107326145A CN107326145A CN201710542708.3A CN201710542708A CN107326145A CN 107326145 A CN107326145 A CN 107326145A CN 201710542708 A CN201710542708 A CN 201710542708A CN 107326145 A CN107326145 A CN 107326145A
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- parts
- carburant
- raw material
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- casting
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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
- C21C7/0025—Adding carbon material
Abstract
A kind of alloy Investment Steel Castings casting carburant, is made up of following raw material：68 parts of petroleum coke, 57 parts of purification of graphite, 24 parts of schungite, 13 parts of modified pitch, 35 parts of silica, 24 parts of aluminium powder, 24 parts of bonding agent, 68 parts of Ludox, 13 parts of melting promotor, 68 parts of powdery cleaned coal, 68 parts of waterglass, 13 parts of ammonium hydrogen carbonate.Beneficial effects of the present invention are：Of the invention novel in design, formula is reasonable, and processing technology is scientific and normal, and in the carburant actual use after preparation, superior performance, it is ensured that during raw material melting, less raw material prepares the casting of more high-quality, and effect significantly, is easy to promote and used.
Description
Technical field
The present invention relates to precision casting technology field, and in particular to a kind of alloy Investment Steel Castings casting carburant and its system
Standby technique.
Background technology
Casting is a kind of history of mankind's grasp than metal heat processing technique, about 6000 earlier.China about exists
B.C. 1700~it is first 1000 between have been enter into heyday of bronze casting, technique and reached at a relatively high level.Casting
It is that liquid metals is cast in the casting cavity being adapted with part shape, after after its cooled and solidified, to obtain part or hair
The method of base.
When being cast in progress, processed by wax-pattern processed, wax pattern welding, dewaxing, roasting, melting, cast, cleaning and post processing
Complete, be prepares follow-up high-quality precision castings basic, wherein melting wherein the standard operation of any one link in casting
The refining stage is the most key, and it is to ensure that the liquefaction of metal material is basic, is generally all carried out in a furnace, precision castings are typically each
It is to be prepared from using steel alloy, due in melting, and when cast member carries out actual alloy molten steel, typically uses
Carburant, so can just increase considerably steel scrap consumption when in use, reduce pig iron consumption or without the pig iron, but existing
Have in technology, because the actual formulation ratio of carburant is not reasonable, therefore actual using effect is not obvious, and actual
Carburant can be related to substantial amounts of carbon flow and lose, directly contribute the loss of the energy in actual processing.
The content of the invention：
The technical problems to be solved by the invention are that providing one kind is formulated rationally, and processing technology is convenient, and effect is significant
Alloy Investment Steel Castings casting carburant and its preparation technology.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of alloy Investment Steel Castings casting carburant, it is characterised in that be made up of following raw material：
6-8 parts of petroleum coke, 5-7 parts of purification of graphite, 2-4 parts of schungite, 1-3 parts of modified pitch, 3-5 parts of silica, aluminium
2-4 parts of powder, 2-4 parts of bonding agent, 6-8 parts of Ludox, 1-3 parts of melting promotor, 6-8 parts of powdery cleaned coal, 6-8 parts of waterglass, bicarbonate
1-3 parts of ammonium；
The preferred component of each raw material is：
7 parts of petroleum coke, 6 parts of purification of graphite, 3 parts of schungite, 2 parts of modified pitch, 4 parts of silica, 3 parts of aluminium powder, combination
3 parts of agent, 7 parts of Ludox, 2 parts of melting promotor, 7 parts of powdery cleaned coal, 7 parts of waterglass, 2 parts of ammonium hydrogen carbonate；
Described modified pitch includes following raw materials：130 parts of pitch, 6 parts of butadiene-styrene rubber of modeling, 8 parts of polyphosphoric acids, fat
5 parts of fat acid, 6 parts of epoxy resin, appropriate amount of water；
Its preparation method is：Pitch is put into the molten device of stirring, added water in pitch, is stirred 5 minutes, standing is swelled
It is scattered 40 minutes, then modeling butadiene-styrene rubber, polyphosphoric acids, aliphatic acid are put into stirring container, stir, stand 30 points
Clock, rest materials are added thereto, and urge dry, you can modified pitch is made.
The method for preparing above-mentioned alloy Investment Steel Castings casting carburant, comprises the steps：
1) raw material all in raw material is put into ball mill according to proportioning, ball milling mixing, crosses 200-300 eye mesh screens,
Send into batch mixer and mix after 10-15min, obtain batch mixing；
2) above-mentioned batch mixing is sent into ball press, rolling mixing milling under pressure 60-80kN；
3) raw material after above-mentioned calcining is carried out after calcining accordingly, milling, screening can be obtained.
Beneficial effects of the present invention are：Of the invention novel in design, formula is reasonable, and processing technology is scientific and normal, after preparation
In carburant actual use, superior performance, it is ensured that during raw material melting, less raw material prepares the casting of more high-quality, effect
Significantly, it is easy to promote and use.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
A kind of alloy Investment Steel Castings casting carburant, is made up of following raw material：
6 parts of petroleum coke, 5 parts of purification of graphite, 2 parts of schungite, 1 part of modified pitch, 3 parts of silica, 2 parts of aluminium powder, combination
2 parts of agent, 6 parts of Ludox, 1 part of melting promotor, 6 parts of powdery cleaned coal, 6 parts of waterglass, 1 part of ammonium hydrogen carbonate；
Described modified pitch includes following raw materials：130 parts of pitch, 6 parts of butadiene-styrene rubber of modeling, 8 parts of polyphosphoric acids, fat
5 parts of fat acid, 6 parts of epoxy resin, appropriate amount of water；
Its preparation method is：Pitch is put into the molten device of stirring, added water in pitch, is stirred 5 minutes, standing is swelled
It is scattered 40 minutes, then modeling butadiene-styrene rubber, polyphosphoric acids, aliphatic acid are put into stirring container, stir, stand 30 points
Clock, rest materials are added thereto, and urge dry, you can modified pitch is made.
The method for preparing above-mentioned alloy Investment Steel Castings casting carburant, comprises the steps：
1) raw material all in raw material is put into ball mill according to proportioning, ball milling mixing, crosses 200 eye mesh screens, feeding
Mixed in batch mixer after 10min, obtain batch mixing；
2) above-mentioned batch mixing is sent into ball press, rolling mixing milling under pressure 60kN；
3) raw material after above-mentioned calcining is carried out after calcining accordingly, milling, screening can be obtained.
Embodiment 2
A kind of alloy Investment Steel Castings casting carburant, is made up of following raw material：
8 parts of petroleum coke, 7 parts of purification of graphite, 4 parts of schungite, 3 parts of modified pitch, 5 parts of silica, 4 parts of aluminium powder, combination
4 parts of agent, 8 parts of Ludox, 3 parts of melting promotor, 8 parts of powdery cleaned coal, 8 parts of waterglass, 3 parts of ammonium hydrogen carbonate；
Described modified pitch includes following raw materials：130 parts of pitch, 6 parts of butadiene-styrene rubber of modeling, 8 parts of polyphosphoric acids, fat
5 parts of fat acid, 6 parts of epoxy resin, appropriate amount of water；
Its preparation method is：Pitch is put into the molten device of stirring, added water in pitch, is stirred 5 minutes, standing is swelled
It is scattered 40 minutes, then modeling butadiene-styrene rubber, polyphosphoric acids, aliphatic acid are put into stirring container, stir, stand 30 points
Clock, rest materials are added thereto, and urge dry, you can modified pitch is made.
The method for preparing above-mentioned alloy Investment Steel Castings casting carburant, comprises the steps：
1) raw material all in raw material is put into ball mill according to proportioning, ball milling mixing, crosses 300 eye mesh screens, feeding
Mixed in batch mixer after 15min, obtain batch mixing；
2) above-mentioned batch mixing is sent into ball press, rolling mixing milling under pressure 80kN；
3) raw material after above-mentioned calcining is carried out after calcining accordingly, milling, screening can be obtained.
Embodiment 3
A kind of alloy Investment Steel Castings casting carburant, is made up of following raw material：
7 parts of petroleum coke, 6 parts of purification of graphite, 3 parts of schungite, 2 parts of modified pitch, 4 parts of silica, 3 parts of aluminium powder, combination
3 parts of agent, 7 parts of Ludox, 2 parts of melting promotor, 7 parts of powdery cleaned coal, 7 parts of waterglass, 2 parts of ammonium hydrogen carbonate；
Described modified pitch includes following raw materials：130 parts of pitch, 6 parts of butadiene-styrene rubber of modeling, 8 parts of polyphosphoric acids, fat
5 parts of fat acid, 6 parts of epoxy resin, appropriate amount of water；
Its preparation method is：Pitch is put into the molten device of stirring, added water in pitch, is stirred 5 minutes, standing is swelled
It is scattered 40 minutes, then modeling butadiene-styrene rubber, polyphosphoric acids, aliphatic acid are put into stirring container, stir, stand 30 points
Clock, rest materials are added thereto, and urge dry, you can modified pitch is made.
The method for preparing above-mentioned alloy Investment Steel Castings casting carburant, comprises the steps：
1) raw material all in raw material is put into ball mill according to proportioning, ball milling mixing, crosses 250 eye mesh screens, feeding
Mixed in batch mixer after 12min, obtain batch mixing；
2) above-mentioned batch mixing is sent into ball press, rolling mixing milling under pressure 70kN；
3) raw material after above-mentioned calcining is carried out after calcining accordingly, milling, screening can be obtained.
Contrast test：
4 groups of relatively uniform cast member essence casting numbering traditional groups, 1 group of contrast, 2 groups of contrast, 3 groups of contrasts are carried out respectively, really
Raw material, the shape for protecting casting are unified, and processing technology is unified, and traditional group is used using traditional carburant, 1 group of contrast, 2 groups of contrast
Close 3 groups of carburants being respectively adopted in embodiment 1, embodiment 2 and embodiment 3 of contrast to be used, determine after carburant addition,
Respectively in comparative alloy molten steel
Carbon content：The content of carbon in iron liquid can be effectively improved；
Grain fineness：Infiltration rate and absorptivity of the iron liquid to carburant can be effectively improved, it is to avoid because of too small particle
Carburant oxidization burning loss caused by degree, normal value is 10-30mm
Volatile matter：Normal value≤1.0%；
Sulfur content：Normal value S≤0.5%；
Phosphorus content：Normal value≤0.3%；
Nitrogen content：Normal value≤0.3%；
Correction data is as follows：
As can be seen here, the carburant of traditional group actual in use, grain fineness is above 1 group of contrast, contrast 2 combines
Contrast 3 groups of grain fineness；Volatile matter is also above 1 group of contrast, the amount of 3 groups of the combination of contrast 2 contrast；Sulfur content, phosphorus content, nitrogen
Content is above 1 group of contrast, the corresponding content of 3 groups of the combination of contrast 2 contrast；Therefore by the grain fineness of carburant, volatile matter, sulphur
From the point of view of content, phosphorus content, nitrogen content, 1 group of contrast, 3 groups of the combination of contrast 2 contrast are above the carburant performance of traditional group.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. a kind of alloy Investment Steel Castings casting carburant, it is characterised in that be made up of following raw material：6-8 parts of petroleum coke, purifying
5-7 parts of graphite, 2-4 parts of schungite, 1-3 parts of modified pitch, 3-5 parts of silica, 2-4 parts of aluminium powder, 2-4 parts of bonding agent, silicon are molten
6-8 parts of glue, 1-3 parts of melting promotor, 6-8 parts of powdery cleaned coal, 6-8 parts of waterglass, 1-3 parts of ammonium hydrogen carbonate.
2. a kind of alloy Investment Steel Castings casting carburant according to claim, it is characterised in that each raw material it is preferred
Component is：7 parts of petroleum coke, 6 parts of purification of graphite, 3 parts of schungite, 2 parts of modified pitch, 4 parts of silica, 3 parts of aluminium powder, bonding agent
3 parts, 7 parts of Ludox, 2 parts of melting promotor, 7 parts of powdery cleaned coal, 7 parts of waterglass, 2 parts of ammonium hydrogen carbonate.
3. a kind of alloy Investment Steel Castings casting carburant according to claim, it is characterised in that：Described modified drip
Green grass or young crops includes following raw materials：130 parts of pitch, modeling 6 parts of butadiene-styrene rubber, 8 parts of polyphosphoric acids, 5 parts of aliphatic acid, 6 parts of epoxy resin,
Appropriate amount of water；
Its preparation method is：Pitch is put into the molten device of stirring, added water in pitch, is stirred 5 minutes, standing is swelled scattered
40 minutes, then modeling butadiene-styrene rubber, polyphosphoric acids, aliphatic acid are put into stirring container, stir, stand 30 minutes, its
Excess material is added thereto, and urges dry, you can modified pitch is made.
4. prepare the method that alloy Investment Steel Castings casting carburant is closed in the claims 1 or 2, it is characterised in that including
Following step：
1) raw material all in raw material is put into ball mill according to proportioning, ball milling mixing, crosses 200-300 eye mesh screens, feeding
Mixed in batch mixer after 10-15min, obtain batch mixing；
2) above-mentioned batch mixing is sent into ball press, rolling mixing milling under pressure 60-80kN；
3) raw material after above-mentioned calcining is carried out after calcining accordingly, milling, screening can be obtained.
Priority Applications (1)
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| CN201710542708.3A CN107326145A (en) | 2017-07-05 | 2017-07-05 | A kind of alloy Investment Steel Castings casting carburant and its preparation technology |
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| CN201710542708.3A CN107326145A (en) | 2017-07-05 | 2017-07-05 | A kind of alloy Investment Steel Castings casting carburant and its preparation technology |
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| CN107326145A true CN107326145A (en) | 2017-11-07 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1397652A (en) * | 2001-06-18 | 2003-02-19 | 上海盛宝钢铁冶金炉料有限公司 | Arburetant integrating metal with arbon and its preparing process |
| CN101153351A (en) * | 2006-09-27 | 2008-04-02 | 西安建筑科技大学 | Aluminum-silicomanganese carbon alloy for carbon pickup, deoxidization and silicon-manganese alloying of steel-smelting and method of producing the same |
| CN102251073A (en) * | 2011-07-08 | 2011-11-23 | 攀钢集团有限公司 | Deoxidizing and carburizing agent for semisteel, and preparation and application methods thereof |
| CN104087713A (en) * | 2014-06-26 | 2014-10-08 | 浙江锦诚耐火材料有限公司 | Processing technique of low-nitrogen low-hydrogen carburizing agent |
| CN104726637A (en) * | 2013-12-19 | 2015-06-24 | 青岛天地碳素有限公司 | Carbon material carburant |
| CN104962686A (en) * | 2015-06-01 | 2015-10-07 | 铜陵市明诚铸造有限责任公司 | Porous efficient recarburizing agent recycling waste graphite electrode, and preparation method thereof |
-
2017
- 2017-07-05 CN CN201710542708.3A patent/CN107326145A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1397652A (en) * | 2001-06-18 | 2003-02-19 | 上海盛宝钢铁冶金炉料有限公司 | Arburetant integrating metal with arbon and its preparing process |
| CN101153351A (en) * | 2006-09-27 | 2008-04-02 | 西安建筑科技大学 | Aluminum-silicomanganese carbon alloy for carbon pickup, deoxidization and silicon-manganese alloying of steel-smelting and method of producing the same |
| CN102251073A (en) * | 2011-07-08 | 2011-11-23 | 攀钢集团有限公司 | Deoxidizing and carburizing agent for semisteel, and preparation and application methods thereof |
| CN104726637A (en) * | 2013-12-19 | 2015-06-24 | 青岛天地碳素有限公司 | Carbon material carburant |
| CN104087713A (en) * | 2014-06-26 | 2014-10-08 | 浙江锦诚耐火材料有限公司 | Processing technique of low-nitrogen low-hydrogen carburizing agent |
| CN104962686A (en) * | 2015-06-01 | 2015-10-07 | 铜陵市明诚铸造有限责任公司 | Porous efficient recarburizing agent recycling waste graphite electrode, and preparation method thereof |
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Application publication date: 20171107 |
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