CN112979329A - Slag pot trunnion anti-sticking steel sheath formula and manufacturing method thereof - Google Patents
Slag pot trunnion anti-sticking steel sheath formula and manufacturing method thereof Download PDFInfo
- Publication number
- CN112979329A CN112979329A CN202110263488.7A CN202110263488A CN112979329A CN 112979329 A CN112979329 A CN 112979329A CN 202110263488 A CN202110263488 A CN 202110263488A CN 112979329 A CN112979329 A CN 112979329A
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- CN
- China
- Prior art keywords
- slag
- trunnion
- ladle
- slag pot
- steel sheath
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
Abstract
The invention discloses a slag pot trunnion anti-sticking steel sheath formula and a manufacturing method thereof, and relates to the technical field of casting residue treatment. The slag pot trunnion anti-sticking steel sheath formula comprises the following components in parts by weight: 60-90% of slag, 5-30% of lime, 5-10% of binder and the balance of refractory materials, wherein the refractory materials are CaO and Al2O3The mixture is mixed according to the proportion of 3:1 to 6: 1. The slag ladle trunnion anti-sticking steel sheath formula and the manufacturing method thereof are characterized in that matched trunnion sheaths are manufactured, the sheaths are placed at the trunnion positions when the slag ladle receives slag steel, and the slag ladle is taken down when being lifted. Slag steel is stuck at the position of the trunnion when ladle casting residues are effectively prevented from influencing slag pot lifting, the phenomenon that the cast residue steel in the ladle is stuck to form a lump at the position of the trunnion in the process of dumping is effectively prevented, so that a slag pot lifting appliance cannot be completely clamped into the slag pot lifting, the smooth production is ensured, and the hidden slag pot conveying caused by the fact that the slag steel is stuck at the position of the trunnion during ladle casting residues is reducedPatients suffer from it.
Description
Technical Field
The invention relates to the technical field of casting residue treatment, in particular to a slag pot trunnion anti-sticking steel sheath formula and a manufacturing method thereof.
Background
The casting residue is a mixture of the residual molten steel and the residue after the molten steel in the ladle is subjected to continuous casting or ingot casting.
In the aspect of casting the slag, the processing mode of each large steel mill is basically the same, the travelling crane is adopted to lift the steel ladle to directly turn into the slag ladle, partial steel slag falls into the trunnion part of the slag ladle in the process of pouring the casting slag, and the slag steel is bonded into a lump at the trunnion part, so that a slag ladle lifting appliance cannot be completely clamped in to carry out slag ladle lifting, the production rhythm is influenced, and great potential safety hazards exist.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a slag pot trunnion anti-sticking steel sheath formula and a manufacturing method thereof, and solves the problems that in the aspect of casting slag treatment, the treatment modes of various large steel plants are basically the same, a travelling crane is adopted to lift a steel ladle to directly turn into a slag pot, part of slag falls into the trunnion part of the slag pot in the process of pouring the casting slag, the slag steel is bonded into a lump at the trunnion part, so that a slag pot lifting appliance cannot be completely clamped in the trunnion to lift the slag pot, the production rhythm is influenced, and great potential safety hazards exist.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the slag pot trunnion anti-sticking steel sheath formula comprises the following components: 60-90% of slag, 5-30% of lime, 5-10% of binder and the balance of refractory materials, wherein the refractory materials are CaO and Al2O3The mixture is mixed according to the proportion of 3:1 to 6: 1.
The manufacturing method of the slag pot trunnion anti-sticking steel sheath comprises the formula of the slag pot trunnion anti-sticking steel sheath, and comprises the following specific operations:
s1, obtaining raw materials according to the formula of the slag pot trunnion anti-sticking steel sheath, and sequentially crushing and ball-milling the raw materials to obtain powder;
s2, mixing the powder obtained in the step S1 uniformly, adding water, and stirring to prepare paste, wherein the mass ratio of water to powder is 3: 2 to 4:2, thereby obtaining a paste;
s3, putting the pasty material obtained in the step S2 into a mold for molding, drying and drying to obtain a tile-shaped structure, so that the slag pot trunnion anti-sticking steel sheath is obtained;
s4, when the ladle is cast, the steel sheath for preventing sticking of the slag pot trunnion is placed on the slag pot trunnion, and the bonding of the casting slag steel at the slag pot trunnion is reduced, so that the slag pot sling is prevented from being clamped at the trunnion, and the production is ensured.
Preferably, in step S1, the average particle size of the obtained powder is less than 0.075 mm.
(III) advantageous effects
The invention provides a slag pot trunnion anti-sticking steel sheath formula and a manufacturing method thereof. The method has the following beneficial effects: the slag ladle trunnion anti-sticking steel sheath formula and the manufacturing method thereof are characterized in that matched trunnion sheaths are manufactured, the sheaths are placed at the trunnion positions when the slag ladle receives slag steel, and the slag ladle is taken down when being lifted. Slag steel glues in gudgeon department when effectual preventing ladle founds and turns over influences the slag ladle handling, and the effectual casting slag steel that has prevented in the ladle glues into the mound in gudgeon department bonding of toppling over the in-process, causes the slag ladle hoist to can not totally block into and carries out the slag ladle handling, guarantees the production in good order, reduces because of gluing the slag ladle slag steel that the gudgeon slag steel knot leads to and transports the hidden danger.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a side view of the structure of the present invention;
fig. 3 is a top view of the structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the slag pot trunnion anti-sticking steel sheath formula comprises the following components: 60-90% of slag, 5-30% of lime, 5-10% of binder and the balance of refractory materials, wherein the refractory materials are CaO and Al2O3The mixture is mixed according to the proportion of 3:1 to 6: 1.
The manufacturing method of the slag pot trunnion anti-sticking steel sheath comprises the formula of the slag pot trunnion anti-sticking steel sheath, and comprises the following specific operations:
s1, obtaining raw materials according to the formula of the slag pot trunnion anti-sticking steel sheath, and sequentially crushing and ball-milling the raw materials to obtain powder, wherein the average particle size of the obtained powder is less than 0.075 mm;
s2, mixing the powder obtained in the step S1 uniformly, adding water, and stirring to prepare paste, wherein the mass ratio of water to powder is 3: 2 to 4:2, thereby obtaining a paste;
s3, putting the pasty material obtained in the step S2 into a mold for molding, drying and drying to obtain a tile-shaped structure, so that the slag pot trunnion anti-sticking steel sheath is obtained;
s4, when the ladle is cast, the steel sheath for preventing sticking of the slag pot trunnion is placed on the slag pot trunnion, and the bonding of the casting slag steel at the slag pot trunnion is reduced, so that the slag pot sling is prevented from being clamped at the trunnion, and the production is ensured.
The during operation, the on-the-spot implementation is respond well, and trunnion department does not lead to the slag ladle hoist card to die because of trunnion department slag steel bonds into the mound after putting the sheath, simultaneously also not have because of the slag ladle hoist card does not advance the slag ladle handling accident that the trunnion leads to, and use safe and reliable.
In conclusion, according to the formula and the manufacturing method of the slag pot trunnion anti-sticking steel sheath, the matched trunnion sheath is manufactured, the sheath is placed at the trunnion when a slag pot receives slag steel, and the sheath is taken down when the slag pot is lifted. Slag steel glues in gudgeon department when effectual preventing ladle founds and turns over influences the slag ladle handling, and the effectual casting slag steel that has prevented in the ladle glues into the mound in gudgeon department bonding of toppling over the in-process, causes the slag ladle hoist to can not totally block into and carries out the slag ladle handling, guarantees the production in good order, reduces because of gluing the slag ladle slag steel that the gudgeon slag steel knot leads to and transports the hidden danger.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The slag pot trunnion anti-sticking steel sheath formula is characterized in that: the slag pot trunnion anti-sticking steel sheath formula comprises: 60-90% of slag, 5-30% of lime, 5-10% of binder and the balance of refractory materials, wherein the refractory materials are CaO and Al2O3The mixture is mixed according to the proportion of 3:1 to 6: 1.
2. A manufacturing method of an anti-sticking steel sheath for a slag pot trunnion is characterized in that: the slag ladle trunnion anti-sticking steel sheath formula comprises the slag ladle trunnion anti-sticking steel sheath formula of claim 1, and the concrete operation is as follows:
s1, obtaining raw materials according to the formula of the slag pot trunnion anti-sticking steel sheath, and sequentially crushing and ball-milling the raw materials to obtain powder;
s2, mixing the powder obtained in the step S1 uniformly, adding water, and stirring to prepare paste, wherein the mass ratio of water to powder is 3: 2 to 4:2, thereby obtaining a paste;
s3, putting the pasty material obtained in the step S2 into a mold for molding, drying and drying to obtain a tile-shaped structure, so that the slag pot trunnion anti-sticking steel sheath is obtained;
s4, when the ladle is cast, the steel sheath for preventing sticking of the slag pot trunnion is placed on the slag pot trunnion, and the bonding of the casting slag steel at the slag pot trunnion is reduced, so that the slag pot sling is prevented from being clamped at the trunnion, and the production is ensured.
3. The slag ladle trunnion anti-sticking steel sheath formula according to claim 2, which is characterized in that: in step S1, the average particle size of the obtained powder is less than 0.075 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263488.7A CN112979329A (en) | 2021-03-11 | 2021-03-11 | Slag pot trunnion anti-sticking steel sheath formula and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263488.7A CN112979329A (en) | 2021-03-11 | 2021-03-11 | Slag pot trunnion anti-sticking steel sheath formula and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN112979329A true CN112979329A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110263488.7A Pending CN112979329A (en) | 2021-03-11 | 2021-03-11 | Slag pot trunnion anti-sticking steel sheath formula and manufacturing method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561885A (en) * | 1985-01-25 | 1985-12-31 | Mcfarlane Norris B | Production of refractory materials |
| US20090047425A1 (en) * | 2007-08-17 | 2009-02-19 | Specialty Minerals (Michigan) Inc. | Calcium Enriched Refractory Material by the Addition of Calcium Carbonate |
| KR20120073862A (en) * | 2010-12-27 | 2012-07-05 | (주)동양특수주강 | The trunnion shaft of a slag pot for steelmaking and the making method thereof and the slag pot |
| CN103113121A (en) * | 2012-03-01 | 2013-05-22 | 辽宁工业大学 | Method for preparing refractory material through utilizing metallurgical furnace titanium slag |
| CN103468836A (en) * | 2013-09-23 | 2013-12-25 | 新疆中合大正商贸有限公司 | Slag binding agent for preventing slag ladle as well as production process thereof |
| CN103664212A (en) * | 2013-12-12 | 2014-03-26 | 攀枝花钢城集团有限公司 | Castable refractory for tundish permanent layer and preparation method of permanent layer |
| CN105347821A (en) * | 2015-11-09 | 2016-02-24 | 周维逊 | Production method for firebricks and production system for firebricks |
| CN108503376A (en) * | 2018-03-15 | 2018-09-07 | 马鞍山钢铁股份有限公司 | A kind of slag ladle anti-sticking residue material and preparation method thereof |
-
2021
- 2021-03-11 CN CN202110263488.7A patent/CN112979329A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561885A (en) * | 1985-01-25 | 1985-12-31 | Mcfarlane Norris B | Production of refractory materials |
| US20090047425A1 (en) * | 2007-08-17 | 2009-02-19 | Specialty Minerals (Michigan) Inc. | Calcium Enriched Refractory Material by the Addition of Calcium Carbonate |
| CN101808763A (en) * | 2007-08-17 | 2010-08-18 | 密执安特种矿石公司 | Be rich in the refractory material of calcium by adding calcium carbonate |
| KR20120073862A (en) * | 2010-12-27 | 2012-07-05 | (주)동양특수주강 | The trunnion shaft of a slag pot for steelmaking and the making method thereof and the slag pot |
| CN103113121A (en) * | 2012-03-01 | 2013-05-22 | 辽宁工业大学 | Method for preparing refractory material through utilizing metallurgical furnace titanium slag |
| CN103468836A (en) * | 2013-09-23 | 2013-12-25 | 新疆中合大正商贸有限公司 | Slag binding agent for preventing slag ladle as well as production process thereof |
| CN103664212A (en) * | 2013-12-12 | 2014-03-26 | 攀枝花钢城集团有限公司 | Castable refractory for tundish permanent layer and preparation method of permanent layer |
| CN105347821A (en) * | 2015-11-09 | 2016-02-24 | 周维逊 | Production method for firebricks and production system for firebricks |
| CN108503376A (en) * | 2018-03-15 | 2018-09-07 | 马鞍山钢铁股份有限公司 | A kind of slag ladle anti-sticking residue material and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210618 |