CN101613212A - A kind of regenerated ramming mass that utilizes discarded blast furnace main channel material to make - Google Patents
A kind of regenerated ramming mass that utilizes discarded blast furnace main channel material to make Download PDFInfo
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- CN101613212A CN101613212A CN200910063363A CN200910063363A CN101613212A CN 101613212 A CN101613212 A CN 101613212A CN 200910063363 A CN200910063363 A CN 200910063363A CN 200910063363 A CN200910063363 A CN 200910063363A CN 101613212 A CN101613212 A CN 101613212A
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Abstract
The invention discloses a kind of regenerated ramming mass that utilizes discarded blast furnace main channel material to make.The aggregate ratio of the component of its described ramming mass and mass percentage content: 8～1mm is 55～65%; The aggregate ratio of 0～1mm is 3～10%; The corundum fine powder ratio of≤0.088mm is 3～10%; The discarded main channel material fine powder ratio of≤0.088mm is 10～20%; The silicon carbide 3～10% of≤1mm ,≤Pure Silicon Metal 1～3% of 1mm, asphalt powder 1～5%; Resol 4～10%, solidifying agent urotropine 0.1～1%.The present invention utilizes that the ratio of waste castable in main trough is big, composition is simple, it is few to bring impurity into, is easy to moulding, does not toast excellent property.
Description
Technical field
The present invention relates to a kind of unshape refractory, particularly a kind of regenerated ramming mass that utilizes discarded blast furnace main channel material to make.
Background technology
Utilizing discarded blast furnace main channel material to make regenerated ramming mass is a kind of refractory materials recycle utilization, and it can reduce product cost, increases the refractory materials resource circulation and utilizes degree, reduces the wasting of resources.This respect possesses some special knowledge both at home and abroad, but report is few." Sichuan metallurgy " (2): 44-45 in 2003,54 pages " blast furnace exempts to toast the development and the application of iron runner material ", it discloses following content: corundum, high grade bauxite, SiC be main material production exempt to toast the iron runner ramming mass, its prescription is: 16.5% of 27%, 3～5mm of high grade bauxite aggregate 5～8mm; The brown corundum 12% of 1～3mm; 325 purpose SiC powder 4.5%; The additive 40% of 0～3mm; Add liquid wedding agent 9%.
" the metallurgical waste resource comprehensive utilization technique of first Baosteel forum paper compilation " 310-312 page or leaf public publish in 2006 " a kind of pollution that reduces waste resistant material to environment; utilize and reclaim particle and the bearing dust-collected production slag runner of the blast furnace ramming mass that slag iron runner waste material is made; in the usage ratio that guarantees to strengthen as much as possible under the product quality premise useless anti-material; in for enterprise's creation profit, also opened up new approaches " for the use of low-grade waste resistant material.
The Chinese patent publication number is the patent documentation of CN00123763.4, and it discloses a kind of blast furnace iron outlet groove with exempting from baking-type Al
2O
3-SiC-C ramming mass and production method thereof are characterized in brown corundum 30%～70% (weight), and fire-resistant fine powder 30%～70% (weight) as radix, adds combined binder 2%～15% (weight), admixture 2%～8% (weight); Behind aggregate part thorough mixing, the adding combined binder stirs, and adds then to get final product after fine powder partly stirs.
The Chinese patent publication number be CN200310113597.2 a kind of nitrogen ferrosilicon disclosed exempt to toast the iron runner ramming mass, form by aluminosilicate material, silicon carbide, carbon material and ferro-silicon nitride, wedding agent.It is characterized in that: aluminosilicate material is 43%～80%, and silicon carbide is 7%～25%, and carbon material is 2%～10%, ferro-silicon nitride is 5%～15%, and the Si powder is 0～4%, and the Al powder is 0～3%, on the basis of above-mentioned compound, add resol 2～7%, more than be mass percent.Its advantage has been to improve hot strength, high temperature resistance slag corrosion and the perviousness of ramming mass, increases the oxidation-resistance of material simultaneously.
Japanese Patent: Saito Koji.Toshiba Ceramics Co LTD.Regenerated Castable Refractory. Japan .No.JP2002249122,2002-08-28, a kind of preparation method of regenerated ramming mass is disclosed: 74%～98%, the exhausted ramming mass, 2%～6% boric acid hydrate or boron trioxide Equivalent, the alumina fine powder of one or both mean diameters 5 μ m and the easy-sintering alumina of mean diameter 3 μ m.
In sum, except that " the metallurgical waste resource comprehensive utilization technique of first Baosteel forum paper compilation " 310-312 page or leaf public publish in 2006 utilize and reclaim the particle and the bearing dust-collected production slag runner of blast furnace ramming mass that slag iron runner waste material makes, all the other mostly are from the angle of exempting to toast ramming mass and are studied, report less for the research that how to utilize discarded blast furnace main channel mould material to prepare regenerated ramming mass, though there is report to utilize that blast furnace is bearing dust-collected to be mixed with regenerative raw materials, but owing to blast furnace is bearing dust-collected mainly is the coke powder, iron ore powder, coal dust is formed, its impurity is too many, makes the performance of regenerated ramming mass influenced.Should be noted that when adopting the certain proportion regenerative raw materials to make regenerated ramming mass, guarantee not leak slag iron, life-span length, safe and reliable, have not yet to see relevant report.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, a kind of regenerated ramming mass that adopts the discarded blast furnace main channel material of resol bonded utilization to make is provided; And the ratio of utilizing waste castable in main trough is big, composition simple, it is few to bring impurity into, is easy to moulding, does not toast the regenerated ramming mass of excellent property.
Technical scheme of the present invention:
A kind of regenerated ramming mass that utilizes discarded blast furnace main channel material to make, it is characterized in that: the aggregate ratio of the component of described ramming mass and mass percentage content: 8～1mm is 55～65%, the aggregate ratio of 0～1mm is 3～10%, the corundum fine powder ratio of≤0.088mm is 3～10%, the discarded main channel material fine powder ratio of≤0.088mm is 10～20%, the silicon carbide 3～10% of≤1mm ,≤Pure Silicon Metal 1～3% of 1mm, asphalt powder 1～5%, resol 4～10%, solidifying agent urotropine 0.1～1%.
It is: the aggregate of 8～1mm is one or more the cooperation of arbitrary proportion in corundum, the alumina.
It is that the aggregate of 0～1mm is one or more the cooperation of arbitrary proportion in corundum or kyanite, the andaluzite.
It is: the ratio of the aggregate of its described 8～1mm, 0～1mm≤30% is the regeneration aggregate after discarded main channel material process rolls selection.
It is: also other adding mass percent is 0～3% ethylene glycol.
Characteristics of the present invention are to have adopted a certain amount of silicon carbide, Pure Silicon Metal, have compensated the oxidational losses of silicon carbide, Pure Silicon Metal in the discarded blast furnace main channel mould material; Owing to add swelling agents such as kyanite, andaluzite, the line velocity of variation of regenerated ramming mass changes and reduces; Because the adding of high softening point bitumen powder is evenly distributed the regenerated ramming mass wedding agent of making, high temperature can form stable in conjunction with phase down, so regenerated ramming mass intensity height, life-span is long, has improved the antioxidant property and the heat resistanceheat resistant destructive characteristics of material, is beneficial to the improvement of material use properties; And the ratio of utilizing waste castable in main trough is big, composition simple, it is few to bring impurity into, is easy to moulding, does not toast, and excellent property.
Embodiment
By following examples design of the present invention and the principles of science are described, but should think that the present invention only limits to material and the composition that relates among the following embodiment.
Embodiment 1:
Component and amount per-cent: the corundum 45% of granularity 8～1mm, the discarded main channel material regeneration corundum 20% of granularity 8～1mm, the corundum aggregate 5% of granularity 0～1mm, the corundum fine powder 3% of granularity≤0.088mm, the discarded main channel material fine powder 11.8% of granularity≤0.088mm, adds ethylene glycol 3% at the silicon carbide 5% of granularity≤1mm, the Pure Silicon Metal 1% of granularity≤1mm, asphalt powder 5%, resol 4%, solidifying agent urotropine 0.2.
Embodiment 2:
Component and amount per-cent: the alumina matter 25% of granularity 8～1mm, the corundum 20% of granularity 8～1mm, the discarded main channel material regeneration corundum 10% of granularity 8～1mm, the corundum aggregate 3% of granularity 0～1mm, the corundum fine powder matter 7% of granularity≤0.088mm; The discarded main channel material fine powder 10% of granularity≤0.088mm; The silicon carbide 10% of granularity≤1mm, the Pure Silicon Metal 3% of granularity≤1mm, asphalt powder 1%, resol 10%, solidifying agent urotropine 1%.
Embodiment 3:
Component and amount per-cent: the alumina 15% of granularity 8～1mm, the corundum 30% of granularity 8～1mm, the discarded main channel material regeneration corundum 15% of granularity 8～1mm, the corundum aggregate 5% of granularity 0～1mm, the kyanite of granularity 0～1mm is 5%, the corundum fine powder 4.9% of granularity≤0.088mm, the discarded main channel material fine powder 10% of granularity≤0.088mm, the silicon carbide 5% of granularity≤1mm, the Pure Silicon Metal 3% of granularity≤1mm, asphalt powder 1%, resol 6%, solidifying agent urotropine 0.1% add ethylene glycol 1%.
Embodiment 4:
Component and amount per-cent: the corundum 40% of granularity 8～1mm, the discarded main channel material regeneration corundum aggregate 15% of granularity 8～1mm, the andaluzite of granularity 0～1mm is 5%, the corundum fine powder 6.7% of granularity≤0.088mm, the discarded main channel material fine powder 20% of granularity≤0.088mm, the silicon carbide 3% of granularity≤1mm, the Pure Silicon Metal 1% of granularity≤1mm, asphalt powder 2%, resol 7%, solidifying agent urotropine 0.3%.
Embodiment 5:
Component and amount per-cent: the corundum 25% of granularity 8～1mm, the discarded main channel material regeneration alumina aggregate 30% of granularity 8～1mm, the kyanite 5% of granularity 0～1mm, the corundum fine powder of granularity≤0.088mm is 10%, the discarded main channel material fine powder of granularity≤0.088mm is 12.6%, the silicon carbide 5% of granularity≤1mm, the Pure Silicon Metal 2% of granularity≤1mm, asphalt powder 2%, resol 8%, solidifying agent urotropine 0.4%.
The above embodiments, all adopt following method preparation: the aggregate of 8～1mm, 0～1mm just mixed during ramming mass was formed, add resol in proportion, after mixing, again other fine powder is added and carry out carefully mixing,, can replenish the ethylene glycol of certain outer dosage if the ramming mass hand of making is pinched not agglomerating, mix in one's hands pinch agglomerating, unclamp the material that can scatter, standby with the plastic wrapping bag hermetic package.
Surveying its results of property sees attached list.
Subordinate list
Claims (5)
1. one kind is utilized the regenerated ramming mass of discarding the blast furnace main channel material manufacturing, it is characterized in that: the aggregate ratio of the component of described ramming mass and mass percentage content: 8～1mm is 55～65%, the aggregate ratio of 0～1mm is 3～10%, the corundum fine powder ratio of≤0.088mm is 3～10%, the discarded main channel material fine powder ratio of≤0.088mm is 10～20%, the silicon carbide 3～10% of≤1mm ,≤Pure Silicon Metal 1～3% of 1mm, asphalt powder 1～5%; Resol 4～10%, solidifying agent urotropine 0.1～1%.
2, a kind of regenerated ramming mass that utilizes discarded blast furnace main channel material to make as claimed in claim 1 is characterized in that: the aggregate of 8～1mm is one or more the cooperation of arbitrary proportion of corundum, alumina.
3, a kind of regenerated ramming mass that utilizes discarded blast furnace main channel material to make as claimed in claim 1, the aggregate that it is characterized in that 0～1mm are one or more the cooperations of arbitrary proportion in corundum or kyanite, the andaluzite.
4, a kind of regenerated ramming mass that utilizes discarded blast furnace main channel material to make as claimed in claim 1 is characterized in that: the ratio of the aggregate of its described 8～1mm, 0～1mm≤30% is the regeneration aggregate after discarded main channel material process rolls selection.
5, a kind of regenerated ramming mass that utilizes discarded blast furnace main channel material to make as claimed in claim 1 is characterized in that: also other adding mass percent is 0～3% ethylene glycol.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010159A (en) * | 2010-10-29 | 2011-04-13 | 无锡市宜宏耐火材料有限公司 | Energy-saving type air permeable brick and preparation method thereof |
| CN103613394A (en) * | 2013-11-26 | 2014-03-05 | 武汉钢铁(集团)公司 | Casting material with thermal insulation function |
| CN103936431A (en) * | 2013-01-22 | 2014-07-23 | 宝山钢铁股份有限公司 | Ramming material for iron notch of smelting reduction furnace |
| CN104276827A (en) * | 2013-07-10 | 2015-01-14 | 上海宝钢工业技术服务有限公司 | Regenerated ramming material applied to blast-furnace iron runner and preparation method thereof |
| CN104446528A (en) * | 2014-10-27 | 2015-03-25 | 朱小英 | Preparation method of ramming mass of ladle permanent liner |
| CN106045528A (en) * | 2016-05-31 | 2016-10-26 | 中国冶集团有限公司 | Iron runner ramming material containing 90% of waste refractories or above |
| CN109180167A (en) * | 2018-08-23 | 2019-01-11 | 江苏江能新材料科技有限公司 | A kind of ferronickel furnace iron tap channel special environment protection ramming mass and preparation method thereof |
| CN110256056A (en) * | 2019-05-21 | 2019-09-20 | 上海宝钢工业技术服务有限公司 | The titaniferous furnace retaining ramming mass and application method integrally repaired for blast furnace crucibe |
| CN110922198A (en) * | 2019-12-16 | 2020-03-27 | 安徽工业大学 | Method for regenerating aluminum-silicon waste refractory aggregate |
-
2009
- 2009-07-28 CN CN200910063363A patent/CN101613212A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010159A (en) * | 2010-10-29 | 2011-04-13 | 无锡市宜宏耐火材料有限公司 | Energy-saving type air permeable brick and preparation method thereof |
| CN102010159B (en) * | 2010-10-29 | 2012-08-01 | 无锡市宜宏耐火材料有限公司 | Energy-saving type air permeable brick and preparation method thereof |
| CN103936431B (en) * | 2013-01-22 | 2015-08-26 | 宝山钢铁股份有限公司 | A kind of fusion reducing furnace iron notch ramming mass |
| CN103936431A (en) * | 2013-01-22 | 2014-07-23 | 宝山钢铁股份有限公司 | Ramming material for iron notch of smelting reduction furnace |
| CN104276827A (en) * | 2013-07-10 | 2015-01-14 | 上海宝钢工业技术服务有限公司 | Regenerated ramming material applied to blast-furnace iron runner and preparation method thereof |
| CN103613394B (en) * | 2013-11-26 | 2015-04-08 | 武汉钢铁(集团)公司 | Casting material with thermal insulation function |
| CN103613394A (en) * | 2013-11-26 | 2014-03-05 | 武汉钢铁(集团)公司 | Casting material with thermal insulation function |
| CN104446528A (en) * | 2014-10-27 | 2015-03-25 | 朱小英 | Preparation method of ramming mass of ladle permanent liner |
| CN106045528A (en) * | 2016-05-31 | 2016-10-26 | 中国冶集团有限公司 | Iron runner ramming material containing 90% of waste refractories or above |
| CN106045528B (en) * | 2016-05-31 | 2019-04-23 | 中国一冶集团有限公司 | A kind of iron runner ramming mass containing 90% or more waste and old resistance to material |
| CN109180167A (en) * | 2018-08-23 | 2019-01-11 | 江苏江能新材料科技有限公司 | A kind of ferronickel furnace iron tap channel special environment protection ramming mass and preparation method thereof |
| CN110256056A (en) * | 2019-05-21 | 2019-09-20 | 上海宝钢工业技术服务有限公司 | The titaniferous furnace retaining ramming mass and application method integrally repaired for blast furnace crucibe |
| CN110922198A (en) * | 2019-12-16 | 2020-03-27 | 安徽工业大学 | Method for regenerating aluminum-silicon waste refractory aggregate |
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Application publication date: 20091230 |