CN101143794A - Anti-sticking slag amorphous refractory material - Google Patents

Anti-sticking slag amorphous refractory material Download PDF

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Publication number
CN101143794A
CN101143794A CNA2007100499471A CN200710049947A CN101143794A CN 101143794 A CN101143794 A CN 101143794A CN A2007100499471 A CNA2007100499471 A CN A2007100499471A CN 200710049947 A CN200710049947 A CN 200710049947A CN 101143794 A CN101143794 A CN 101143794A
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China
Prior art keywords
clay
wilkinite
weight percentage
sodium hexametaphosphate
calcium sulfonate
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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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CNA2007100499471A
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Chinese (zh)
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CN100491291C (en
Inventor
何金勇
王怀斌
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PANZHIHUA YINJIANG JINYONG INDUSTRY AND TRADE Co Ltd
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PANZHIHUA YINJIANG JINYONG INDUSTRY AND TRADE Co Ltd
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Publication of CN101143794A publication Critical patent/CN101143794A/en
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Abstract

The invention relates to an unformed sticky slag-proof flame-resistant material used in steel making. Calculated according to weight percentage, the raw materials include: (1) Forty to seventy percent of bauxite aggregate, (2) Two to ten soft clay, (3) Zero point five to three percent of bentonite, (4) Three to six silicon micro powder, (5) Zero point one to six percent of sodium hexametaphophate, and (6) Zero point one to to one percent of calcium lignosulphonate. The finished product can be produced only by sufficiently and uniformaly stiring the raw materials. The flame-resistant material is characterized in high adhesive rate, high strength, high-temperature resistance and low bonding force with various metallurgical slags. By being sprayed on parts with heavy slags, such as the water-cooling furnace cover of a LF furnace, the fume hood of a converter, a steel ladle, steel slag pot, etc., the flame-resistant material as a coating can avoid the damage on equipment in the course of slag cleaning, thus perfectly protecting the equipment, lowering production cost and increasing the production efficiency of the equipment.

Description

Anti-sticking slag amorphous refractory material
Technical field
The present invention relates to a kind of refractory materials that is applied to high temperature service, particularly, the present invention relates to-anti-sticking slag amorphous refractory material of kind of steel-making usefulness.
Background technology
Serious dry slag phenomenon in use usually can appear in equipment such as the water cooled cover of steel-making LF stove, revolving furnace fume hood, ladle, steel slag tank, except needs are often cleared up, distinct issues also are: 1. because slag is firm with stainless steel tube or refractory materials bonding on aforesaid device, thereby scarfing cinder is very difficult, cause maintenance intervals to prolong, thereby ordinary production is affected greatly; 2. since in the scarfing cinder process stainless steel tube or the refractory matter material on the damage equipment very easily, thereby significantly reduced work-ing life of equipment, increased production cost.
Summary of the invention
The objective of the invention is to provides a kind of unshape refractory at the problems referred to above; this refractory materials adhesive rate height, intensity are big, high temperature resistant; little with various metallurgical slag bonding forces; as coating after being sprayed at the serious position of dry slags such as LF stove water cooled cover, revolving furnace fume hood, ladle, steel slag tank; just can avoid the damage that in the scarfing cinder process equipment caused; thereby equipment is played a very good protection, reduced production cost, improved efficiency of equipment.
Concrete technical scheme of the present invention is as follows:
A kind of anti-sticking slag amorphous refractory material is characterized in that by weight percentage, and starting material are formed and comprised: bauxitic clay, soft clay, wilkinite, silicon powder and the Sodium hexametaphosphate 99 that adds and xylogen calcium sulfonate, and concrete proportioning is as follows:
Bauxitic clay: comprise aggregate and fine powder two portions, wherein aggregate 40～70, fine powder 20～45
Soft clay 2～10
Wilkinite 0.5～3
Silicon powder 3～6
Sodium hexametaphosphate 99 0.1～6
Xylogen calcium sulfonate 0.1～1.
The preferred weight proportioning is:
Bauxitic clay: aggregate 70, fine powder 20
Soft clay 5
Wilkinite 1
Silicon powder 4
Sodium hexametaphosphate 99 0.5
Xylogen calcium sulfonate 0.5.
Raw-material performance index of the present invention and granularity requirements see Table 1 respectively, table 2.
The various raw-material performance index of table 1
Starting material Chemical ingredients % Refractoriness ℃ Volume density g.cm 3 Igloss % Plasticity index
Al 2O 3 SiO 2 Fe 2O 3
Bauxitic clay ≥80 ≤2.0 ≥1790 ≥2.80
Soft clay ≥30 ≤2.0 ≥1670 ≤16 ≥3.5
Wilkinite ≥30 ≤2.0
Silicon powder ≤1.5 ≥90 ≤2.0
Sodium hexametaphosphate 99 Purity is technical grade
The xylogen calcium sulfonate Purity is technical grade
The various raw-material size indicators of table 2
Bauxitic clay Soft clay Wilkinite Silicon powder Sodium hexametaphosphate 99 The xylogen calcium sulfonate
Aggregate Fine powder
≤3mm ≤0.088mm ≤0.074mm ≤0.074mm Reach 2 grades of index requests * Powdery ,≤0.5 mm Powdery ,≤0.5 mm
Annotate: *---45 μ m tail over and are not more than 3%; Specific surface area reaches 18m 2G -1The pH value is 7.5.
Starting material of the present invention are the commercially available prod.
The compound method of anti-sticking slag amorphous refractory material of the present invention is:
By above-mentioned weight proportion and performance granularity requirements, starting material are all added in the whipping device, after stirring, get product through check, packing.
The physical performance index of anti-sticking slag amorphous refractory material finished product of the present invention is as follows:
Volume density g/Cm 3 Compressive strength, MPa Reheating linear change rate on reheating, % Refractoriness ℃ C
110℃×24h 1000℃×3h 1000℃×3h
≥2.2 ≥8 ≥6 ≤0.1 ≥1670
The using method of anti-sticking slag amorphous refractory material of the present invention is:
Utilize spraying equipment to adopt the mode of semidrying spraying to spray, by weight percentage, amount of water is controlled at 8～12%, and the sprayed coating gauge control is at 10～30mm.
Beneficial effect of the present invention shows:
Anti-sticking slag amorphous refractory material adhesive rate height of the present invention; the loss of material is little during spraying; formed sprayed coating is no matter be all to have good bonding properties with steel part or refractory materials; and intensity is higher; high temperature resistant; little with the bonding force of various metallurgical slags; after spraying to LF stove water cooled cover; revolving furnace fume hood; ladle; equipment such as steel slag tank play a very good protection; the serious phenomenon of equipment dry slag be improved significantly; even dry slag is arranged in use for some time; also be easy to remove, thereby reduced production cost, improved efficiency of equipment.
Embodiment
Embodiment 1
Get bauxitic clay aggregate 70Kg, aluminium vanadine fine powder 20Kg, soft clay 5Kg, wilkinite 1Kg, silicon powder 4Kg, Sodium hexametaphosphate 99 0.5Kg, xylogen calcium sulfonate 0.5Kg, after in whipping device, stirring, in the gained finished product, add 10.1Kg water, adopt semidrying to be sprayed on LF stove water cooled cover, revolving furnace fume hood, ladle, the steel slag tank, coat-thickness is 20mm.
Embodiment 2
Get bauxitic clay aggregate 40Kg, aluminium vanadine fine powder 41Kg, soft clay 10Kg, wilkinite 3Kg silicon powder 6Kg, Sodium hexametaphosphate 99 1Kg, xylogen calcium sulfonate 1Kg, after in whipping device, stirring, in the gained finished product, add 9.6Kg water, adopt semidrying to be sprayed on LF stove water cooled cover, revolving furnace fume hood, ladle, the steel slag tank, coat-thickness is 15mm.
Embodiment 3
Get bauxitic clay aggregate 49.5Kg, aluminium vanadine fine powder 45Kg, soft clay 2Kg, wilkinite 0.5Kg, silicon powder 3Kg, Sodium hexametaphosphate 99 5Kg, xylogen calcium sulfonate 0.5Kg, after in whipping device, stirring, in the gained finished product, add 12.66Kg water, adopt semidrying to be sprayed on LF stove water cooled cover, revolving furnace fume hood, ladle, the steel slag tank, coat-thickness is 25mm.
Embodiment 4
Get bauxitic clay aggregate 60Kg, aluminium vanadine fine powder 30Kg, soft clay 5Kg, wilkinite 2Kg, silicon powder 3Kg, Sodium hexametaphosphate 99 3.9Kg, xylogen calcium sulfonate 0.1Kg, after in whipping device, stirring, in the gained finished product, add 10.4Kg water, adopt semidrying to be sprayed on LF stove water cooled cover, revolving furnace fume hood, ladle, the steel slag tank, coat-thickness is 30mm.

Claims (4)

1. an anti-sticking slag amorphous refractory material is characterized in that by weight percentage, and starting material are formed and comprised: bauxitic clay, soft clay, wilkinite, silicon powder and the Sodium hexametaphosphate 99 that adds and xylogen calcium sulfonate, and concrete proportioning is as follows:
Bauxitic clay: comprise aggregate and fine powder two portions, wherein aggregate 40～70, fine powder 20～45
Soft clay 2～10
Wilkinite 0.5～3
Silicon powder 3～6
Sodium hexametaphosphate 99 0.1～6
Xylogen calcium sulfonate 0.1～1.
2. refractory materials according to claim 1 is characterized in that by weight percentage, and starting material are formed and comprised:
Bauxitic clay: aggregate 70, fine powder 20, soft clay 5, wilkinite 1, silicon powder 4 adds: Sodium hexametaphosphate 99 0.5, xylogen calcium sulfonate 0.5.
3. refractory materials as claimed in claim 1 or 2 is characterized in that described raw-material performance index are:
Bauxitic clay: by weight percentage, the Al in its contained chemical ingredients 2O 3〉=80, Fe 2O 3≤ 2.0, refractoriness 〉=1790 ℃, volume density 〉=2.80g.cm 3
Soft clay: the weight percent content of its chemical ingredients is SiO 2〉=30, Fe 2O 3≤ 2.0, refractoriness 〉=1670 ℃, igloss≤16%, plasticity index 〉=3.5;
Wilkinite: by weight percentage, the SiO in its contained chemical ingredients 2〉=30, Fe 2O 3≤ 2.0;
Silicon powder: by weight percentage, the Al in its contained chemical ingredients 2O 3≤ 1.5, SiO 2〉=90, Fe 2O 3≤ 2.0;
Sodium hexametaphosphate 99: purity is technical grade;
The xylogen calcium sulfonate: purity is technical grade.
4. refractory materials as claimed in claim 3 is characterized in that described raw-material size indicator is:
Bauxitic clay: aggregate≤3mm, fine powder≤0.088mm
Soft clay :≤0.074mm
Wilkinite :≤0.074mm
Silicon powder: 45 μ m tail over≤and 3%, specific surface area is 18m 2G -1, the pH value is 7.5;
Sodium hexametaphosphate 99: powdery ,≤0.5mm
Xylogen calcium sulfonate: powdery ,≤0.5mm.
CNB2007100499471A 2007-09-05 2007-09-05 Anti-sticking slag amorphous refractory material Active CN100491291C (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CNB2007100499471A CN100491291C (en) 2007-09-05 2007-09-05 Anti-sticking slag amorphous refractory material

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CN101143794A true CN101143794A (en) 2008-03-19
CN100491291C CN100491291C (en) 2009-05-27

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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102020475A (en) * 2010-09-29 2011-04-20 北京安泰恒业科技有限公司 Ceramic coating used for heating furnace
CN101643363B (en) * 2009-09-01 2012-03-21 赵海军 Clay pouring iron brick with low iron and preparation method thereof
CN102505058A (en) * 2011-10-24 2012-06-20 中冶宝钢技术服务有限公司 Metallurgical slag ladle bottom protecting material as well as preparation method and spray repairing method thereof
CN102557683A (en) * 2011-12-23 2012-07-11 中钢集团洛阳耐火材料研究院有限公司 Aluminum chrome refractory material
CN102557694A (en) * 2012-03-13 2012-07-11 湖南省涟源市合成耐火材料厂 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
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
CN102965474A (en) * 2012-11-22 2013-03-13 河南省西保冶材集团有限公司 Anti-slag agent for high temperature VD (Vaccum Distillation) furnace
CN103396140A (en) * 2013-08-07 2013-11-20 武汉钢铁(集团)公司 High-temperature walking beam furnace beam and column insulation lining slag-adhesion-preventing coating
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
CN103604724A (en) * 2013-11-19 2014-02-26 河南海格尔高温材料有限公司 Experimental method for detecting bonded slag resistance of refractory material
CN103992663A (en) * 2014-04-24 2014-08-20 王会智 Furnace cleaning coating for aluminum
CN106431141A (en) * 2016-09-29 2017-02-22 山西太钢不锈钢股份有限公司 Preparing method and application method of slag pot isolation spraying coating
CN107010972A (en) * 2017-05-09 2017-08-04 郑州耐都热陶瓷有限公司 High-temperature wearable mud
CN107235733A (en) * 2017-05-27 2017-10-10 巩义市金利炉料厂 A kind of slag adhesion spray paint
CN107686362A (en) * 2017-09-18 2018-02-13 北京利尔高温材料股份有限公司 A kind of stirring-head slag adhesion interleaving agent and preparation method thereof
CN107827470A (en) * 2017-11-01 2018-03-23 安徽马钢耐火材料有限公司 A kind of high-performance spraying paint for slag tanks and preparation method thereof
CN109369142A (en) * 2018-12-04 2019-02-22 攀枝花钢城集团有限公司 The anti-sticking spray paint of steel slag tank and its preparation and application
CN110272265A (en) * 2018-03-16 2019-09-24 焦作诺尔曼炉业有限公司 A kind of ladle wet spray material and preparation method thereof
CN114031412A (en) * 2021-12-08 2022-02-11 钢城集团凉山瑞海实业有限公司 Spray paint for large nozzle of semisteel tank and preparation method thereof
CN115028464A (en) * 2022-06-25 2022-09-09 邯郸市复兴欣跃炉料有限公司 Formula and method for producing steel slag separating agent

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101643363B (en) * 2009-09-01 2012-03-21 赵海军 Clay pouring iron brick with low iron and preparation method thereof
CN102020475B (en) * 2010-09-29 2012-10-17 北京安泰恒业科技有限公司 Ceramic coating used for heating furnace
CN102020475A (en) * 2010-09-29 2011-04-20 北京安泰恒业科技有限公司 Ceramic coating used for heating furnace
CN102505058A (en) * 2011-10-24 2012-06-20 中冶宝钢技术服务有限公司 Metallurgical slag ladle bottom protecting material as well as preparation method and spray repairing method thereof
CN102557683A (en) * 2011-12-23 2012-07-11 中钢集团洛阳耐火材料研究院有限公司 Aluminum chrome refractory material
CN102557694A (en) * 2012-03-13 2012-07-11 湖南省涟源市合成耐火材料厂 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
CN102965474B (en) * 2012-11-22 2014-05-28 河南省西保冶材集团有限公司 Anti-slag agent for high temperature VD (Vaccum Distillation) furnace
CN102965474A (en) * 2012-11-22 2013-03-13 河南省西保冶材集团有限公司 Anti-slag agent for high temperature VD (Vaccum Distillation) furnace
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
CN103396140A (en) * 2013-08-07 2013-11-20 武汉钢铁(集团)公司 High-temperature walking beam furnace beam and column insulation lining slag-adhesion-preventing coating
CN103396140B (en) * 2013-08-07 2014-08-27 武汉钢铁(集团)公司 High-temperature walking beam furnace beam and column insulation lining slag-adhesion-preventing coating
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
CN103604724A (en) * 2013-11-19 2014-02-26 河南海格尔高温材料有限公司 Experimental method for detecting bonded slag resistance of refractory material
CN103604724B (en) * 2013-11-19 2015-10-28 河南海格尔高温材料有限公司 A kind of experimental technique detecting the anti-stick slag of fire resistive material
CN103992663A (en) * 2014-04-24 2014-08-20 王会智 Furnace cleaning coating for aluminum
CN106431141A (en) * 2016-09-29 2017-02-22 山西太钢不锈钢股份有限公司 Preparing method and application method of slag pot isolation spraying coating
CN106431141B (en) * 2016-09-29 2018-09-14 山西太钢不锈钢股份有限公司 A kind of slag ladle isolation spray paint makes and its application method
CN107010972A (en) * 2017-05-09 2017-08-04 郑州耐都热陶瓷有限公司 High-temperature wearable mud
CN107235733A (en) * 2017-05-27 2017-10-10 巩义市金利炉料厂 A kind of slag adhesion spray paint
CN107235733B (en) * 2017-05-27 2018-09-25 巩义市金利炉料厂 A kind of slag adhesion spray paint
CN107686362A (en) * 2017-09-18 2018-02-13 北京利尔高温材料股份有限公司 A kind of stirring-head slag adhesion interleaving agent and preparation method thereof
CN107686362B (en) * 2017-09-18 2020-12-08 北京利尔高温材料股份有限公司 Slag adhesion preventing isolating agent for stirring head and preparation method thereof
CN107827470A (en) * 2017-11-01 2018-03-23 安徽马钢耐火材料有限公司 A kind of high-performance spraying paint for slag tanks and preparation method thereof
CN110272265A (en) * 2018-03-16 2019-09-24 焦作诺尔曼炉业有限公司 A kind of ladle wet spray material and preparation method thereof
CN109369142A (en) * 2018-12-04 2019-02-22 攀枝花钢城集团有限公司 The anti-sticking spray paint of steel slag tank and its preparation and application
CN114031412A (en) * 2021-12-08 2022-02-11 钢城集团凉山瑞海实业有限公司 Spray paint for large nozzle of semisteel tank and preparation method thereof
CN115028464A (en) * 2022-06-25 2022-09-09 邯郸市复兴欣跃炉料有限公司 Formula and method for producing steel slag separating agent

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Denomination of invention: Anti-sticking slag amorphous refractory material

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