CN1844411A - Full homogeneous barium-containing skimming ball for steel making in converter - Google Patents
Full homogeneous barium-containing skimming ball for steel making in converter Download PDFInfo
- Publication number
- CN1844411A CN1844411A CN 200610012678 CN200610012678A CN1844411A CN 1844411 A CN1844411 A CN 1844411A CN 200610012678 CN200610012678 CN 200610012678 CN 200610012678 A CN200610012678 A CN 200610012678A CN 1844411 A CN1844411 A CN 1844411A
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- ball
- steel
- slag
- stone
- aluminate cement
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- Treatment Of Steel In Its Molten State (AREA)
Abstract
A kind of homogeneous barium-based slag ball used in converter process, belong to slag material used in converter process. The raw material and weight percentage composition for producing slag ball as follow: weight metal and stone 1~95, iron particle or steel particle 0~79, aluminate cement 5~15, magnesium sand 0~5, proportional adding water, weight metal and stone, iron particle or steel particle, aluminate cement, magnesium sand and mixing, packing compact and shaking to preparing the ball, there is a hollow toroid that square crossing passing sphere largest circumference in the sphere surface. The invention of the ball built-in and built-out homojunction, the whole density homogeneity and locate accuracy in steel liquid. The ball shape designed rational, and the ball has stop slag efficiently. The invention can efficiently decrease the steel bag slag blanket thickness; prolong the steel bag length of life. Compare with the current technology, the price is low. It has the profit for the steel factory to further optimization production and improves comprehensive benefit. In addition, the ball contain BaSO4 above 65%, if every stove used one slag ball that we produce, the silicon, aluminium and barium utilization can be decreased, decreasing steel production cost.
Description
Technical field
The present invention relates to the pushing off the slag material that a kind of converter steelmaking is used, specifically a kind of full homogeneous barium-containing skimming ball for steel making in converter.
Background technology
Slag-blocking ball is a kind of usual means of converter steelmaking, existing slag-blocking ball is full homogeneous skimming ball and counter weight type slag-blocking ball, the counter weight type slag-blocking ball is with refractory materials iron ball to be wrapped in the centre of spheroid, and in the centre of ball, its outside surface wraps up with refractory materials with the abrasive grit casting.Its weak point is, because slag-blocking ball is heavier, so in its production and transport with go into to have the phenomenon of colliding with in the stove process unavoidably, the refractory materials on surface is very easy to damaged.If have damaged slag-blocking ball to put in the converter on the surface, molten steel can enter in the spheroid from breakage so, thereby the abrasive grit of very fast corrode inside, what slag-blocking ball was just very fast like this is melted, and remaining part also can't play the effect of pushing off the slag because density crosses low.Complete its raw material of homogeneous steel slag-blocking ball and weight percent content are: abrasive grit or steel grit 70～80, aluminate cement 10～15, magnesium sand 2～5, refractory materials 2～5.Mix vibrating forming, though overcome the shortcoming of counter weight type slag-blocking ball, owing to use a large amount of steel grits, cost height.So, use full homogeneous skimming ball or counter weight type slag-blocking ball to be unfavorable for the raising of the comprehensive benefit of enterprise.
Summary of the invention
The technical problem to be solved in the present invention is the many deficiencies at prior art, and providing a kind of is the raw material of slag-blocking ball with huge sum of money masonry, contains BaSO
4More than 65%, ball design is reasonable, the full homogeneous barium-containing skimming ball for steel making in converter that the molten steel recovery rate is high.
Solve the problems of the technologies described above by the following technical solutions: a kind of full homogeneous barium-containing skimming ball for steel making in converter; raw material and the weight percent content of producing slag-blocking ball are: huge sum of money stone 1～95; abrasive grit or steel grit 0～79; aluminate cement 5～15; magnesium sand 0～5; stone, abrasive grit or steel grit, aluminate cement, magnesium sand add the water mixing in proportion with much money, and spheroid is made in the vibratory compaction of dress mould, is provided with the annular recesses that runs through the spheroid largest circumference of square crossing at spherome surface.
According to technique scheme, the present invention compared with prior art adopts huge sum of money stone material to make, the inside and outside homogeneous of slag-blocking ball, and whole ball density is even, accurate positioning in molten steel.Its configuration design is reasonable, pushing off the slag efficient height.Because surface of the present invention band groove, groove guarantee not surplus steel in the stove, can improve the recovery rate of molten steel.And be difficult for corrode, and the intensity height, useful working life is long.Use the present invention, can effectively reduce the thickness of ladle slag blanket, prolong the work-ing life of ladle.Compared with prior art low price helps the further optimization production of steel mill, improves comprehensive benefit.In addition, because the huge sum of money stone in the raw material contains BaSO
4More than 65%, every stove can more than 3 kilograms, reduce steel-making cost with sial barium less with such slag-blocking ball.
Embodiment
The present invention will be further described below in conjunction with embodiment.
Make starting material of the present invention and weight percent embodiment:
Embodiment 1, huge sum of money stone 1, abrasive grit or steel grit 79, aluminate cement 15, magnesium sand 5.
Embodiment 2, huge sum of money stone 20, abrasive grit or steel grit 70, aluminate cement 105, magnesium sand 5.
Embodiment 3, huge sum of money stone 80, abrasive grit or steel grit 10, aluminate cement 10, magnesium sand 0.
Embodiment 4, huge sum of money stone 95, abrasive grit or steel grit 0, aluminate cement 5, magnesium sand 0.
Embodiment 5, huge sum of money stone 40, abrasive grit or steel grit 42, aluminate cement 13, magnesium sand 5.
Embodiment 6, huge sum of money stone 50, abrasive grit or steel grit 40, aluminate cement 8, magnesium sand 2.
Manufacture craft embodiment
With huge sum of money stone, abrasive grit or steel grit, aluminate cement, the husky four kinds of raw materials of magnesium are batch mixing in proportion, adds water and stirs the dress mould, uses the bobbing machine vibrating forming, sinks the demoulding then through heavy abrasive grit steel grit alive.The surface of spheroid is provided with two annular recessess that run through the spheroid largest circumference of square crossing at spherome surface.
Working process of the present invention: in tapping 2/3, the present invention is thrown into tap hole top in the steel melting furnace, because this spheroid is provided with groove structure, and be the heavy structure in the light end, top, so spheroid is in upright state in stove always, and it is inhaled toward tap hole by the molten steel cyclonic action, and along with the eddy flow of molten steel, ceaselessly rotation utilizes the difference between autologous density and molten steel and the slag layer, place between the two, reach the pushing off the slag purpose.
Claims (1)
1, a kind of full homogeneous barium-containing skimming ball for steel making in converter is characterized in that, raw material and the weight percent content of producing slag-blocking ball are: huge sum of money stone 1～95, abrasive grit or steel grit 0～79, aluminate cement 5～15, magnesium sand 0～5; Stone, abrasive grit or steel grit, aluminate cement, magnesium sand add the water mixing in proportion with much money, and spheroid is made in the vibratory compaction of dress mould, is provided with the annular recesses that runs through the spheroid largest circumference of square crossing at spherome surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100126787A CN100374581C (en) | 2006-04-30 | 2006-04-30 | Full homogeneous barium-containing skimming ball for steel making in converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100126787A CN100374581C (en) | 2006-04-30 | 2006-04-30 | Full homogeneous barium-containing skimming ball for steel making in converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1844411A true CN1844411A (en) | 2006-10-11 |
| CN100374581C CN100374581C (en) | 2008-03-12 |
Family
ID=37063381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100126787A Expired - Fee Related CN100374581C (en) | 2006-04-30 | 2006-04-30 | Full homogeneous barium-containing skimming ball for steel making in converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100374581C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103627845A (en) * | 2012-08-24 | 2014-03-12 | 河南省宏达炉业有限公司 | Homogeneous slag-stopping ball |
| CN105950822A (en) * | 2016-03-07 | 2016-09-21 | 安徽云天冶金科技股份有限公司 | High-fire-proof slag-stopping ball used for converter steelmaking and preparation method thereof |
| CN105950821A (en) * | 2016-03-07 | 2016-09-21 | 安徽云天冶金科技股份有限公司 | High-strength slag-stopping ball used for converter steelmaking and preparation method thereof |
| CN108977618A (en) * | 2018-09-06 | 2018-12-11 | 云南濮耐昆钢高温材料有限公司 | A kind of converter tapping homogeneous skimming ball |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01263215A (en) * | 1988-04-14 | 1989-10-19 | Irie Kosan Kk | Slag cut ball |
| JPH06316721A (en) * | 1991-01-11 | 1994-11-15 | Astec Irie:Kk | Slag-cut ball |
| CN1219079C (en) * | 2003-12-26 | 2005-09-14 | 周城 | Homogeneous slag blocking ball and its producing method |
-
2006
- 2006-04-30 CN CNB2006100126787A patent/CN100374581C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103627845A (en) * | 2012-08-24 | 2014-03-12 | 河南省宏达炉业有限公司 | Homogeneous slag-stopping ball |
| CN103627845B (en) * | 2012-08-24 | 2015-06-24 | 河南省宏达炉业有限公司 | Homogeneous slag-stopping ball |
| CN105950822A (en) * | 2016-03-07 | 2016-09-21 | 安徽云天冶金科技股份有限公司 | High-fire-proof slag-stopping ball used for converter steelmaking and preparation method thereof |
| CN105950821A (en) * | 2016-03-07 | 2016-09-21 | 安徽云天冶金科技股份有限公司 | High-strength slag-stopping ball used for converter steelmaking and preparation method thereof |
| CN108977618A (en) * | 2018-09-06 | 2018-12-11 | 云南濮耐昆钢高温材料有限公司 | A kind of converter tapping homogeneous skimming ball |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100374581C (en) | 2008-03-12 |
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Granted publication date: 20080312 Termination date: 20150430 |
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