CN102557694A - Steel separating agent for rotary platform and furnace cover of ladle refining furnace and method for preventing steel bonding of rotary platform and furnace cover of ladle refining furnace - Google Patents
Steel separating agent for rotary platform and furnace cover of ladle refining furnace and method for preventing steel bonding of rotary platform and furnace cover of ladle refining furnace Download PDFInfo
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- CN102557694A CN102557694A CN2012100640507A CN201210064050A CN102557694A CN 102557694 A CN102557694 A CN 102557694A CN 2012100640507 A CN2012100640507 A CN 2012100640507A CN 201210064050 A CN201210064050 A CN 201210064050A CN 102557694 A CN102557694 A CN 102557694A
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- steel
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- ladle refining
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 74
- 239000010959 steel Substances 0.000 title claims abstract description 74
- 238000007670 refining Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 229910052845 zircon Inorganic materials 0.000 claims abstract description 11
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000006004 Quartz sand Substances 0.000 claims abstract description 8
- RGPUVZXXZFNFBF-UHFFFAOYSA-K diphosphonooxyalumanyl dihydrogen phosphate Chemical compound [Al+3].OP(O)([O-])=O.OP(O)([O-])=O.OP(O)([O-])=O RGPUVZXXZFNFBF-UHFFFAOYSA-K 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 23
- 239000007921 spray Substances 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 13
- 239000002893 slag Substances 0.000 claims description 12
- 238000007689 inspection Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000011863 silicon-based powder Substances 0.000 claims description 7
- 238000000498 ball milling Methods 0.000 claims description 6
- 235000013312 flour Nutrition 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000009775 high-speed stirring Methods 0.000 claims description 3
- 239000011812 mixed powder Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000000247 postprecipitation Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 abstract description 4
- 229910052895 riebeckite Inorganic materials 0.000 abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000000440 bentonite Substances 0.000 abstract 1
- 229910000278 bentonite Inorganic materials 0.000 abstract 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000009628 steelmaking Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The invention provides a steel separating agent for a rotary platform and a furnace cover of a ladle refining furnace and a method for preventing the steel bonding of the rotary platform and the furnace cover of the ladle refining furnace, wherein the steel separating agent comprises the following components in percent by weight: 8-15 percent of high-alumina aggregate powder, 5-8 percent of quartz sand powder, 4-6 percent of silica micropowder, 25-35 percent of phosphorus-sheet graphite powder, 5-10 percent of zircon sand powder, 4-8 percent of organic bentonite, 10-18 percent of aluminium dihydrogen phosphate liquid and 15-25 percent of water. After the steel separating agent provided by the scheme is adopted, the difficult problem of steel bonding at all parts of the ladle refining furnace is effectively solved, the normal refining production time is greatly saved, the steel refining environment is effectively improved, the original fussy working for repeatedly bedding asbestos plates is eliminated, the production cost and the production time are greatly saved, and the economic value is higher.
Description
Technical field
The present invention relates to metallurgical technology field, refer in particular to STEELMAKING PRODUCTION with the anti-steel bonding treatment technology of ladle refining furnace turn around table, bell and be applied to the separated steel separating agent of this technology.
Background technology
Ladle refining furnace is being born the refining task of various special steels, high-quality steel as one of important external refining equipment of steelmaking system at present, in field of steel-making more application is arranged.
Three used ladle refining furnaces of factory are rolled in China's water chestnut ripples steel one refining; Owing to receive the influence of various factors; The plan of ladle running is different from other producers; The ladle running adopts turn around table revolution mode by turns to produce, and moves back the hook groove other fluting of ladle turret supporting arm, makes things convenient for the travelling crane hook turnover.
The ladle refining furnace turn around table is because work under bad environment; The overflow in refining process of a large amount of molten steel, slag, sputter out, cause the turn around table table top, move back the hook groove, the steel bonding of bell position, slag be serious, difficult treatment; Influence is produced; When especially running into ladle and wearing accident such as bag, a large amount of high-temperature molten steels with turn around table, to move back the hook groove sticking dead, make structure deteriorate, produce and interrupt.
Can only adopt asbestos plate to cover to the turn around table table top in the past, the traditional way that per tour is changed or changed a class more, cost is higher, effect is also undesirable.Phenomenons such as steel bonding still often occur, and can only adopt oxygen blast to fuse or the mode of oxyacetylene metal-cutting is handled, not only delayed and produced but also damage equipment.And, cause the bell situation such as position that can't fall also to be at a complete loss as to what to do basically for bell steel bonding, dry slag, be difficult to handle.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art; Provide that a kind of cost is low, easy to operate, construction is brief; And can cover equipment comprehensively; Do not take up space, do not stay the dead angle, prevent comprehensively steel bonding, dry slag ladle refining furnace turn around table, bell the release treatment method and be applied to the separated steel separating agent of this method.
For realizing above-mentioned purpose; Technical scheme provided by the present invention is: a kind of at a distance from the steel separating agent, said component and weight percent at a distance from the steel separating agent is: bauxites aggregate powder 8 ~ 15%, quartz sand powder 5 ~ 8%, silicon powder 4 ~ 6%, scale graphite powder 25 ~ 35%, zircon flour 5 ~ 10%, organobentonite 4 ~ 8%, liquor aluminium dihydrogen phosphate 10 ~ 18%, water 15 ~ 25%;
Said production technique at a distance from the steel separating agent is:
1), than being put into ball mill respectively, bauxites aggregate, zircon sand carry out ball milling by metering, ball milling one-tenth-200 order fine powders;
2), carry out dry type and mix and stir than bauxites aggregate powder, quartz sand powder, silicon powder, scale graphite powder, zircon flour, organobentonite being put into the vertical machine that stirs that mixes by metering, mixing the time of stirring is 8 ~ 15 minutes;
3), by metering than with water, liquor aluminium dihydrogen phosphate and mix mixed powder after stirring through dry type and put into horizontal mixer and stir fusedly, churning time is 15 ~ 25 minutes;
4), the compound agent that will tentatively stir after fused adds in the closed high-speed stirring pulp grinder again, adds 1 premium on currency glass silicate dispersion agent in every cube of material agent ratio, stirs slurry 18 ~ 23 minutes;
5), shallow lakeization, the qualified back of sampling observation dress PE plastic tank.
Adopt aforesaid separated steel separating agent to carry out the anti-steel bonding method of ladle refining furnace turn around table and bell, it includes following steps:
1), will, stir 8～12 minutes the steel separating agent in pouring the box stirrer into;
2), stokehold spot inspection ladle refining furnace turn around table table top, move back the position of normal steel bonding such as hook groove, bell, and confirm steel bonding position, area, thickness;
3) carry out cleaning work the off time of, utilizing ladle to change commentaries on classics; Described cleaning work is the good cable wire securing band of wearing; With six rib crowbars, strengthen steel shovel cleared up branch take off on the table top, move back the steel scrap in the hook groove; Stab loss of sheet with the lightweight expansion link and cover residual steel scrap, carefully clean out the slag particle that splashes down on ladle refining furnace turn around table table top;
4), inspection is on-the-spot, confirms whether clean out;
5), close stirrer, drawn jet pipe, set spray gun, whether inspection pipeline, spray gun, high-pressure mortar spraying pump normal, prepare spraying application;
6), close stirrer, treat at a distance from steel separating agent post precipitation a little, at first carry out the stickiness spraying to moving back the hook groove, spray into one and half V-types stream hypotenuse moving back the hook trough side part, make things convenient for the cleaning taking-up of steel scrap;
7), restart stirrer, the turn around table table top is sprayed, coating thickness is 1.5 ~ 2mm, at last the bell position is sprayed, coating thickness is 1.8 ~ 3mm.
The invention has the advantages that: the turn around table table top comes off or divides the steel scrap that takes off, and slag utilizes turn around table to rotate the gap of ladle, adopts the artificial mode, abides by certain working method, clears up safely and fast.Then with at a distance from the steel separating agent as antiseized refractory materials, adopt the mode of hand spray to spray to desired area, different spraying methods is adopted at different equipment positions, sprays into different thickness.With this, form a cover logging material, equipment, construct in the manipulation technology of one, can cover equipment comprehensively, do not take up space, do not stay the dead angle, prevent steel bonding, dry slag comprehensively.Pass through this programme; Solved the difficult problem of each position steel bonding of ladle refining furnace effectively; Greatly practice thrift the normal refining PT, effectively improved refining steel-making environment, eliminated in the past the complicated work of bedding asbestos plate repeatedly; Practice thrift mass production cost and PT, had higher economic value.
Embodiment
Be described further in the face of the present invention down, preferred embodiment of the present invention is:
The described raw materials for production at a distance from the steel separating agent of present embodiment are selected premium high-alumina aggregate (0.5-2mm), quartz sand powder (200 order), silicon powder (800 order), scale graphite powder (200 order), zircon sand (0.5-3mm) for use; Organobentonite (150 order); Tackiness agent adopts liquor aluminium dihydrogen phosphate (pH value 1.4), additional water glass silicate dispersion agent again; Its component and weight percent are: bauxites aggregate powder 10%, quartz sand powder 6%, silicon powder 5%, scale graphite powder 30%, zircon flour 6%, organobentonite 5%, liquor aluminium dihydrogen phosphate 16%, water 22%;
Said production technique at a distance from the steel separating agent is:
1), than being put into ball mill respectively, bauxites aggregate, zircon sand carry out ball milling by metering, ball milling one-tenth-200 order fine powders;
2), carry out dry type and mix and stir than bauxites aggregate powder, quartz sand powder, silicon powder, scale graphite powder, zircon flour, organobentonite being put into the vertical machine that stirs that mixes by metering, mixing the time of stirring is 10 minutes;
3), by metering than with water, liquor aluminium dihydrogen phosphate and mix mixed powder after stirring through dry type and put into horizontal mixer and stir fusedly, churning time is 20 minutes;
4), the compound agent that will tentatively stir after fused adds in the closed high-speed stirring pulp grinder again, adds 1 premium on currency glass silicate dispersion agent in every cube of material agent ratio, stirs slurry 20 minutes;
5), shallow lakeization, the qualified back of sampling observation dress PE plastic tank.
At a distance from steel separating agent finished product chemical index (permissible level deviation ± 5)
| The project indicator | Al 2O 3,% | Sio 2,% | C is solid, % | Zro 2 ,% | Other |
| Content | ? 10 | ?18 | 30 | ? 5 | － |
Adopt above-mentioned separated steel separating agent to prevent ladle refining furnace turn around table and the bell that steel bonding is handled, it includes following steps:
1), will, stir 10 minutes the steel separating agent in pouring the box stirrer into; Wherein, the vertical smart wheel step-down gear of frame above the agitator tank casing, the lower end connects snail formula agitator arm, and lower bottom part links to each other with the high-pressure mortar spraying pump through joint flange;
2), stokehold spot inspection ladle refining furnace turn around table table top, move back the position of normal steel bonding such as hook groove, bell, and confirm steel bonding position, area, thickness;
3) carry out the table cleaning work off time of, utilizing ladle to change commentaries on classics; Described cleaning work is the good cable wire securing band of constructing operation personnel wearing; With six rib crowbars, strengthen steel shovel cleared up branch take off on the table top, move back the steel scrap in the hook groove; Stab loss of sheet with the lightweight expansion link and cover residual steel scrap, carefully clean out the slag particle that splashes down on ladle refining furnace turn around table table top; The steel scrap cleaning utilizes ladle to change the gap of commentaries on classics, does not take the time of ordinary production, utilizes instruments such as six special rib crowbars, expansion link, reinforcement steel shovel to clear up fast, and normal circumstances cleaning in two days once gets final product;
4), inspection is on-the-spot, confirms whether clean out;
5), close stirrer, drawn jet pipe, set spray gun, whether inspection pipeline, spray gun, high-pressure mortar spraying pump normal, prepare spraying application;
6), close stirrer, treat at a distance from steel separating agent post precipitation a little, at first carry out the stickiness spraying to moving back the hook groove, spray into one and half V-types stream hypotenuse moving back the hook trough side part, make things convenient for the cleaning taking-up of steel scrap;
7), restart stirrer, the turn around table table top is sprayed, coating thickness is 2mm, at last the bell position is sprayed, coating thickness is 2.5mm.
Because turn around table is divided into table top, moves back two more common steel bondings of hook groove, dry slag position, to the table top spraying application time, can once spray covering; Thickness is 2mm, moves back the hook groove location owing to be the rectangle of upright depression, blocks easily after the steel scrap branch takes off; Influence the later stage cleaning; The stickiness spraying is taked repeatedly in spraying, sprays into one and half V-types stream hypotenuse to trough rim naturally, makes things convenient for the cleaning of steel scrap to take out.Bell is as purified water cooled seal device; Steel bonding or dry slag can influence normal refining production, adopt pyrolytic coating to bell, promptly finish at liquid steel refining; Ladle withdraws from the back and sprays by the higher surplus temperature of bell self; The adhesive rate of ability strongthener, the coating thickness of thickening material plays preferably at a distance from steel, slag effect.This programme has solved the difficult problem of each position steel bonding of ladle refining furnace effectively; Greatly practiced thrift the normal refining PT; Effectively improved refining steel-making environment; Eliminate in the past the complicated work of bedding asbestos plate repeatedly, practiced thrift mass production cost and PT, had higher economic value.
The embodiment of the above only is the present invention's preferred embodiment, is not to limit practical range of the present invention with this, so the variation that all shapes according to the present invention, principle are done all should be encompassed in protection scope of the present invention.
Claims (2)
1. one kind at a distance from the steel separating agent, it is characterized in that:
Said component and weight percent at a distance from the steel separating agent is: bauxites aggregate powder 8 ~ 15%, quartz sand powder 5 ~ 8%, silicon powder 4 ~ 6%, scale graphite powder 25 ~ 35%, zircon flour 5 ~ 10%, organobentonite 4 ~ 8%, liquor aluminium dihydrogen phosphate 10 ~ 18%, water 15 ~ 25%;
Said production technique at a distance from the steel separating agent is:
1), than being put into ball mill respectively, bauxites aggregate, zircon sand carry out ball milling by metering, ball milling one-tenth-200 order fine powders;
2), carry out dry type and mix and stir than bauxites aggregate powder, quartz sand powder, silicon powder, scale graphite powder, zircon flour, organobentonite being put into the vertical machine that stirs that mixes by metering, mixing the time of stirring is 8 ~ 15 minutes;
3), by metering than with water, liquor aluminium dihydrogen phosphate and mix mixed powder after stirring through dry type and put into horizontal mixer and stir fusedly, churning time is 15 ~ 25 minutes;
4), the compound agent that will tentatively stir after fused adds in the closed high-speed stirring pulp grinder again, adds 1 premium on currency glass silicate dispersion agent in every cube of material agent ratio, stirs slurry 18 ~ 23 minutes;
5), shallow lakeization, the qualified back of sampling observation dress PE plastic tank.
2. one kind is adopted the said separated steel separating agent of claim 1 to prevent ladle refining furnace turn around table and the bell that steel bonding is handled, and it is characterized in that: it includes following steps:
1), will pour the box stirrer at a distance from the steel separating agent stirred 8～12 minutes;
2), stokehold spot inspection ladle refining furnace turn around table table top, move back the position of normal steel bonding such as hook groove, bell, and confirm steel bonding position, area, thickness;
3) carry out cleaning work the off time of, utilizing ladle to change commentaries on classics; Described cleaning work is the good cable wire securing band of constructing operation personnel wearing; With six rib crowbars, strengthen steel shovel cleared up branch take off on the table top, move back the steel scrap in the steel tank; Stab loss of sheet with the lightweight expansion link and cover residual steel scrap, carefully clean out the slag particle that splashes down on ladle refining furnace turn around table table top;
4), inspection is on-the-spot, confirms whether clean out;
5), close stirrer, drawn jet pipe, set spray gun, whether inspection pipeline, spray gun, high-pressure mortar spraying pump normal, prepare spraying application;
6), close stirrer, treat at a distance from steel separating agent post precipitation a little, at first carry out the stickiness spraying to moving back the hook groove, spray into one and half V-types stream hypotenuse moving back the hook trough side part, make things convenient for the cleaning taking-up of steel scrap;
7), restart stirrer, the turn around table table top is sprayed, coating thickness is 1.5 ~ 3mm, at last the bell position is sprayed, coating thickness is 2.5 ~ 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210064050 CN102557694B (en) | 2012-03-13 | 2012-03-13 | Steel separating agent for rotary platform and furnace cover of ladle refining furnace and method for preventing steel bonding of rotary platform and furnace cover of ladle refining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210064050 CN102557694B (en) | 2012-03-13 | 2012-03-13 | Steel separating agent for rotary platform and furnace cover of ladle refining furnace and method for preventing steel bonding of rotary platform and furnace cover of ladle refining furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102557694A true CN102557694A (en) | 2012-07-11 |
| CN102557694B CN102557694B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201210064050 Expired - Fee Related CN102557694B (en) | 2012-03-13 | 2012-03-13 | Steel separating agent for rotary platform and furnace cover of ladle refining furnace and method for preventing steel bonding of rotary platform and furnace cover of ladle refining furnace |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925623A (en) * | 2012-11-23 | 2013-02-13 | 攀钢集团成都钢钒有限公司 | Method for avoiding arcing and water leakage of water-cooling furnace lid of electric furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1443031A1 (en) * | 2001-09-26 | 2004-08-04 | Shinagawa Refractories Co., Ltd. | Thermally insulating coating material for refractory containing carbon |
| CN101062867A (en) * | 2007-04-26 | 2007-10-31 | 武汉钢铁(集团)公司 | Slag antiseizing spraying material for desulfurization hot-metal bottle |
| CN101096314A (en) * | 2007-06-22 | 2008-01-02 | 巩义市顺祥耐材有限公司 | Iron outlet channel and method for preparing the same |
| CN101143794A (en) * | 2007-09-05 | 2008-03-19 | 攀枝花市银江金勇工贸有限责任公司 | Anti-sticking slag amorphous refractory material |
| CN101219901A (en) * | 2007-01-11 | 2008-07-16 | 李建伟 | Desulfurization ladle brick |
-
2012
- 2012-03-13 CN CN 201210064050 patent/CN102557694B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1443031A1 (en) * | 2001-09-26 | 2004-08-04 | Shinagawa Refractories Co., Ltd. | Thermally insulating coating material for refractory containing carbon |
| CN101219901A (en) * | 2007-01-11 | 2008-07-16 | 李建伟 | Desulfurization ladle brick |
| CN101062867A (en) * | 2007-04-26 | 2007-10-31 | 武汉钢铁(集团)公司 | Slag antiseizing spraying material for desulfurization hot-metal bottle |
| CN101096314A (en) * | 2007-06-22 | 2008-01-02 | 巩义市顺祥耐材有限公司 | Iron outlet channel and method for preparing the same |
| CN101143794A (en) * | 2007-09-05 | 2008-03-19 | 攀枝花市银江金勇工贸有限责任公司 | Anti-sticking slag amorphous refractory material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925623A (en) * | 2012-11-23 | 2013-02-13 | 攀钢集团成都钢钒有限公司 | Method for avoiding arcing and water leakage of water-cooling furnace lid of electric furnace |
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| CN102557694B (en) | 2013-06-12 |
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