CN102838364B - High-strength alkaline-resisting anti-skinning refractory castable - Google Patents
High-strength alkaline-resisting anti-skinning refractory castable Download PDFInfo
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- CN102838364B CN102838364B CN201210359603.1A CN201210359603A CN102838364B CN 102838364 B CN102838364 B CN 102838364B CN 201210359603 A CN201210359603 A CN 201210359603A CN 102838364 B CN102838364 B CN 102838364B
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Abstract
The invention relates to a high-strength alkali-resisting anti-skinning refractory castable, belonging to the technical field of refractory castable. The high-strength alkali-resisting castable comprises the raw materials in percentage by weight: 8-12% of high-voltage electric porcelain with granularity of 3-6mm, 15-20% of high-voltage electric porcelain with granularity of 1-3mm, 15-20% of high-voltage electric porcelain with granularity of less than 1mm, 5-8% of silicon carbide with granularity of 1-3mm, 2-5% of silicon carbide with granularity of less than 1mm, 2-5% of silicon fume, 2-5% of pure calcium aluminate cement, 3-6% of flint clay micropowder, 5-8% of shaft kiln alumina powder, 2-5% of homogenizing powder, as well as 0.02-0.23% of additive and 0.03-0.05% of anti-explosion fiber. The high-strength alkali-resisting castable has the advantages of having excellent alkaline-resisting anti-skinning properties, and being capable of effectively resisting corrosion, reducing the anti-skinning phenomena in a cement kiln, reducing the stopping times of a rotary cement kiln, and improving the production efficiency.
Description
Technical field
The invention belongs to refractory castable for cement kiln technical field, a kind of high-strength alkaline-resisting resistive connection skin refractory castable is particularly provided.
Background technology
The positions such as preheater at dry-process cement rotary kiln, circulation inrichment due to detrimental impurity alkali, chlorine, sulphur in cement raw material, the positions such as cone, funnel uptake, blanking slope that make preheater easily and raw material generation chemical reaction, produce Coating clogging, material operation is obstructed, at these positions, remove Coating clogging fork very difficult, impact is produced and is normally carried out.The alkaline-resisting resistive connection skin refractory castable that used is in the market mainly to add silicon carbide, produces SiO2 gas after Oxidation of SiC, sticks to material surface and forms one deck glaze layer, plays the effect of anti-erosion, resistive connection skin.
Summary of the invention
The object of the present invention is to provide a kind of high-strength alkaline-resisting resistive connection skin refractory castable, overcome the Coating clogging of alkaline-resisting resistive connection skin refractory castable for existing cement kiln, material operation is obstructed, at these positions, removes Coating clogging fork very difficult, the deficiencies such as the normal production of impact.
The present invention specifically realizes by following technical solution:
The proportioning raw materials of the high-strength alkaline-resisting resistive connection skin refractory castable of the present invention is pressed the preparation of row weight percent:
The present invention also comprises 0.02 ~ 0.23% admixture, and described admixture can be one or more in tripoly phosphate sodium STPP, Sodium hexametaphosphate 99, layout element sodium sulfonate, lithium hydroxide; Also comprise 0.03 ~ 0.05% explosion-proof fiber.
Al in high tension insulator piece material of the present invention
2o
3content is 55 ~ 60%, SiO
2content is 40 ~ 45%, its Al
2o
3content fluctuation≤3%, SiO
2content fluctuation≤3%; Al in described homogeneous material powder
2o
3content is 80%～85%.
The invention has the advantages that: this product applies to the easily position of Coating clogging such as cement rotary kiln smoke-box, decomposing furnace cone section, four Pyatyi preheater cone sections, tremie pipe, there is good alkaline-resisting anti-scaling property, effectively anti-erosion, reduce anti-skinning in cement kiln, reduce cement rotary kiln and stop kiln number of times, enhance productivity.And this product effectively reduces costs, and intensity is high, production technique is simple, use properties is good.
Embodiment
The proportioning raw materials of the high-strength alkaline-resisting resistive connection skin refractory castable of the present invention is pressed the preparation of row weight percent:
Production method is: first by pure calcium aluminate cement, admixture premix in mixer, premix is evenly standby, again each granularity high tension insulator piece material, each particle size carbon SiClx, carborundum powder, silicon ash, shaft furnace calcined bauxite in powder, flint clay micro mist, homogeneous material powder, explosion-proof fiber are jointly mixed with the cement mixing, admixture Preblend in mixer, after mixing by the mould material bag distribution packaging mixing.
By the properties of the high-strength alkaline-resisting resistive connection skin refractory castable of examples produce of the present invention as following table
Claims (3)
1. a high-strength alkaline-resisting resistive connection skin refractory castable, it is characterized in that, the raw material that comprises following weight percent: high tension insulator piece material: 8～12% of granularity 3-6mm, high tension insulator piece material: 15～20% of granularity 1-3mm, high tension insulator piece material: granularity is less than 15～20% of 1mm, 5～8% of silicon carbide: granularity 1-3mm, silicon carbide: granularity is less than 2～5% of 1mm, carborundum powder: 5～8%, silicon ash: 2～5%, pure calcium aluminate cement: 2～5%, flint clay micro mist: 3～6%, shaft furnace calcined bauxite in powder: 5～8%, homogeneous material powder: 2～5%;
Also comprise that weight percent is 0.02～0.23% admixture; Weight percent is 0.03～0.05% explosion-proof fiber;
Described admixture is one or more in tripoly phosphate sodium STPP, Sodium hexametaphosphate 99, sodium lignosulfonate, lithium hydroxide.
2. high-strength alkaline-resisting resistive connection skin refractory castable according to claim 1, is characterized in that: Al in described high tension insulator piece material
2o
3content is 55～60%, SiO
2content is 40～45%, its Al
2o
3content fluctuation≤3%, SiO
2content fluctuation≤3%.
3. high-strength alkaline-resisting resistive connection skin refractory castable according to claim 1, is characterized in that: homogeneous material powder Al
2o
3content is 80%～85%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210359603.1A CN102838364B (en) | 2012-09-24 | 2012-09-24 | High-strength alkaline-resisting anti-skinning refractory castable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210359603.1A CN102838364B (en) | 2012-09-24 | 2012-09-24 | High-strength alkaline-resisting anti-skinning refractory castable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102838364A CN102838364A (en) | 2012-12-26 |
| CN102838364B true CN102838364B (en) | 2014-09-17 |
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|---|---|---|---|
| CN201210359603.1A Active CN102838364B (en) | 2012-09-24 | 2012-09-24 | High-strength alkaline-resisting anti-skinning refractory castable |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104311060A (en) * | 2014-10-09 | 2015-01-28 | 宁夏天纵泓光余热发电技术有限公司 | Anti-skinning refractory castable |
| CN105130452A (en) * | 2015-07-04 | 2015-12-09 | 张燕 | Vanadium iron slag-kyanite tailings refractory castable |
| CN106813508B (en) * | 2017-03-09 | 2023-01-24 | 上海热伦新材料科技有限公司 | Multi-element composite necking plate for necking part of smoke chamber of preheater of cement kiln |
| CN109231858A (en) * | 2018-11-14 | 2019-01-18 | 四川海沛环保科技有限公司 | A kind of pretreatment of electrolytic manganese residues and the innoxious and application technology as the second resource that concrete is combined with composite admixture is made |
| CN113636847B (en) * | 2020-05-11 | 2022-09-09 | 北京建筑材料科学研究总院有限公司 | Method for evaluating anti-skinning performance of high-temperature-resistant material for cement kiln |
| CN111807851A (en) * | 2020-07-31 | 2020-10-23 | 北京金隅通达耐火技术有限公司 | Composite castable prepared from waste ceramic roller and waste shed plate |
| CN112279659B (en) * | 2020-10-28 | 2022-12-09 | 长兴兴鹰新型耐火建材有限公司 | Multi-groove-position stirrer for preparing refractory spray paint |
| CN114516757A (en) * | 2020-11-20 | 2022-05-20 | 江苏恒耐炉料集团有限公司 | Anti-skinning nano lining plate component for cement kiln and processing flow |
| CN115650710A (en) * | 2022-11-28 | 2023-01-31 | 云南濮耐昆钢高温材料有限公司 | High-strength anti-skinning refractory castable and preparation method thereof |
| CN116003144A (en) * | 2022-12-22 | 2023-04-25 | 阳泉金隅通达高温材料有限公司 | Low-expansion refractory castable for induction heating furnace prepared from high-voltage electric porcelain reclaimed materials |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101570441A (en) * | 2008-04-30 | 2009-11-04 | 北京通达耐火技术股份有限公司 | Preparation method for wear, alkali resistant castable refractory material |
| CN101987793A (en) * | 2010-11-12 | 2011-03-23 | 安徽瑞泰新材料科技有限公司 | Anti-skinning pouring material for cement kiln |
| CN102503458A (en) * | 2011-10-20 | 2012-06-20 | 江苏光宇特耐有限公司 | Silicon carbide anti-skinning anti-plugging casting material and preparation method thereof |
-
2012
- 2012-09-24 CN CN201210359603.1A patent/CN102838364B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101570441A (en) * | 2008-04-30 | 2009-11-04 | 北京通达耐火技术股份有限公司 | Preparation method for wear, alkali resistant castable refractory material |
| CN101987793A (en) * | 2010-11-12 | 2011-03-23 | 安徽瑞泰新材料科技有限公司 | Anti-skinning pouring material for cement kiln |
| CN102503458A (en) * | 2011-10-20 | 2012-06-20 | 江苏光宇特耐有限公司 | Silicon carbide anti-skinning anti-plugging casting material and preparation method thereof |
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| CN102838364A (en) | 2012-12-26 |
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Address after: 100085, Beijing, Haidian District Qinghe Anning East Road No. 1 hospital Patentee after: Beijing Jinyu Tongda refractory Technology Co.,Ltd. Address before: 100035, No. 1 Anning East Road, Haidian District River, Beijing Patentee before: TONGDA REFRACTORY TECHNOLOGIES Co.,Ltd. |