CN104944982A - Dry magnesia carbon material - Google Patents
Dry magnesia carbon material Download PDFInfo
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- CN104944982A CN104944982A CN201510318614.9A CN201510318614A CN104944982A CN 104944982 A CN104944982 A CN 104944982A CN 201510318614 A CN201510318614 A CN 201510318614A CN 104944982 A CN104944982 A CN 104944982A
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Abstract
The invention discloses a dry magnesia carbon material which consists of waste magnesia carbon brick particles with the particle size ranges of 0.3-1 mm and 1-3 mm, magnesia matrix, phenolic resin powder, boric acid powder and so on, wherein the weight of the waste magnesia carbon brick particles with the particle size range of 0.3-1 mm accounts for 25-35% of the total weight of the raw materials; the weight of the waste magnesia carbon brick particles with the particle size range of 1-3 mm accounts for 40-50% of the total weight of the raw materials; the weight of the magnesia matrix accounts for 13-30% of the total weight of the raw materials; the weight of the phenolic resin powder accounts for 1-4% of the total weight of the raw materials; the weight of the boric acid powder accounts for 0.5-1.5% of the total weight of the raw materials. The dry magnesia-carbon material has the advantages that remaining waste magnesia carbon bricks after steel ladle using are used to replace magnesia aggregate, so that not only can waste and old materials be reused, but also the enterprise production cost is greatly reduced; in addition, the produced continuous casting tundish working layer lining is excellent in anti-scouring and anti-erosion properties, so that the production safety is improved.
Description
Technical field
The present invention relates to ferrous metallurgy continuous-casting art, being specifically related to a kind of magnesium carbonaceous dry materials for making continuous casting bakie working lining liner.
Background technology
In ferrous metallurgy continuous-casting art, being conventionally used to the raw material making continuous casting bakie working lining liner is magnesium dry-type stock, magnesium dry-type stock is mainly formed by magnesia aggregate (particle size range is 0.3 ~ 1, and the magnesia particle of 1 ~ 3mm is called magnesia aggregate) and magnesia matrix (magnesia particle that particle size range is less than 0.088mm is called magnesia matrix) proportioning.Although above-mentioned magnesium dry-type stock can meet ferrous metallurgy Production requirement, expensive, enterprise's production and application cost is high, thus needs the continuous casting bakie working lining liner producing a kind of relative low price badly and makes raw material.
Summary of the invention
The object of this invention is to provide a kind of relative low price and in order to the scour resistance of continuous casting bakie working lining liner that is made and a kind of magnesium carbonaceous dry materials of resistance to fouling excellence.
For achieving the above object, present invention employs following technical scheme: described a kind of magnesium carbonaceous dry materials, by the waste magnesia carbon brick particle that particle size range is 0.3 ~ 1mm, particle size range is the waste magnesia carbon brick particle of 1 ~ 3mm, magnesia matrix, the raw material such as phenol-formaldehyde resin powder and boric acid powder forms, described particle size range is the 25-35% that the magnesia carbon brick particle of 0.3 ~ 1mm accounts for raw material gross weight, described particle size range is that the magnesia carbon brick particle of 1 ~ 3mm accounts for 40 ~ 50% of raw material gross weight, described magnesia matrix accounts for 13 ~ 30% of raw material gross weight, described phenol-formaldehyde resin powder accounts for 1 ~ 4% of raw material gross weight, described boric acid powder accounts for 0.5 ~ 1.5% of raw material gross weight.
Further, aforesaid a kind of magnesium carbonaceous dry materials, wherein: described magnesia matrix accounts for 22% of raw material gross weight.
Further, aforesaid a kind of magnesium carbonaceous dry materials, wherein: described phenol-formaldehyde resin powder accounts for 2% of raw material gross weight.
Further, aforesaid a kind of magnesium carbonaceous dry materials, wherein: described boric acid powder accounts for 1% of raw material gross weight.
Further, aforesaid a kind of magnesium carbonaceous dry materials, wherein: described particle size range is that the magnesia carbon brick particle of 0.3 ~ 1mm accounts for 30% of raw material gross weight.
Further, aforesaid a kind of magnesium carbonaceous dry materials, wherein: described particle size range is that the magnesia carbon brick particle of 1 ~ 3mm accounts for 45% of raw material gross weight.
Further, aforesaid a kind of magnesium carbonaceous dry materials, wherein: described particle size range is that the magnesia carbon brick particle of 0.3 ~ 1mm accounts for 30% of raw material gross weight, described particle size range is that the magnesia carbon brick particle of 1 ~ 3mm accounts for 45% of raw material gross weight.
Further, aforesaid a kind of magnesium carbonaceous dry materials, wherein: described particle size range is that the magnesia carbon brick particle of 0.3 ~ 1mm accounts for 30% of raw material gross weight, described particle size range is that the magnesia carbon brick particle of 1 ~ 3mm accounts for 45% of raw material gross weight, described magnesia matrix accounts for 22% of raw material gross weight, described phenol-formaldehyde resin powder accounts for 2% of raw material gross weight, and described boric acid powder accounts for 1% of raw material gross weight.
By the enforcement of technique scheme, the invention has the beneficial effects as follows: on the one hand, after adopting ladle to use, remaining waste magnesia carbon brick replaces magnesia aggregate, while achieving waste and old material utilization, also greatly reduces enterprise's production and application cost; On the other hand, the scour resistance of the continuous casting bakie working lining liner be made and resistance to fouling excellence, and then improve production security.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment one
A kind of magnesium carbonaceous dry materials, by particle size range be the waste magnesia carbon brick particle of 0.3 ~ 1mm, particle size range is the waste magnesia carbon brick particle of 1 ~ 3mm, magnesia matrix, the raw material such as phenol-formaldehyde resin powder and boric acid powder form, described particle size range is that the magnesia carbon brick particle of 0.3 ~ 1mm accounts for 25% of raw material gross weight, described particle size range is that the magnesia carbon brick particle of 1 ~ 3mm accounts for 40% of raw material gross weight, described magnesia matrix accounts for 29.5% of raw material gross weight, described phenol-formaldehyde resin powder accounts for 4% of raw material gross weight, and described boric acid powder accounts for 1.5% of raw material gross weight.
Embodiment two
A kind of magnesium carbonaceous dry materials, by particle size range be the waste magnesia carbon brick particle of 0.3 ~ 1mm, particle size range is the waste magnesia carbon brick particle of 1 ~ 3mm, magnesia matrix, the raw material such as phenol-formaldehyde resin powder and boric acid powder form, described particle size range is that the magnesia carbon brick particle of 0.3 ~ 1mm accounts for 30% of raw material gross weight, described particle size range is that the magnesia carbon brick particle of 1 ~ 3mm accounts for 45% of raw material gross weight, described magnesia matrix accounts for 22% of raw material gross weight, described phenol-formaldehyde resin powder accounts for 2% of raw material gross weight, and described boric acid powder accounts for 1% of raw material gross weight.
Embodiment three
A kind of magnesium carbonaceous dry materials, by particle size range be the waste magnesia carbon brick particle of 0.3 ~ 1mm, particle size range is the waste magnesia carbon brick particle of 1 ~ 3mm, magnesia matrix, the raw material such as phenol-formaldehyde resin powder and boric acid powder form, described particle size range is that the magnesia carbon brick particle of 0.3 ~ 1mm accounts for 35% of raw material gross weight, described particle size range is that the magnesia carbon brick particle of 1 ~ 3mm accounts for 50% of raw material gross weight, described magnesia matrix accounts for 13.5% of raw material gross weight, described phenol-formaldehyde resin powder accounts for 1% of raw material gross weight, and described boric acid powder accounts for 0.5% of raw material gross weight.
Advantage of the present invention is: on the one hand, adopts the remaining waste magnesia carbon brick of production ladle to replace magnesia aggregate, while achieving waste and old material utilization, also greatly reduces enterprise's production and application cost; On the other hand, the scour resistance of the continuous casting bakie working lining liner be made and resistance to fouling excellence, and then improve production security.
Claims (8)
1. a magnesium carbonaceous dry materials, it is characterized in that: the waste magnesia carbon brick particle by particle size range being 0.3 ~ 1mm, particle size range is the waste magnesia carbon brick particle of 1 ~ 3mm, magnesia matrix, the raw material such as phenol-formaldehyde resin powder and boric acid powder forms, described particle size range is the 25-35% that the magnesia carbon brick particle of 0.3 ~ 1mm accounts for raw material gross weight, described particle size range is that the magnesia carbon brick particle of 1 ~ 3mm accounts for 40 ~ 50% of raw material gross weight, described magnesia matrix accounts for 13 ~ 30% of raw material gross weight, described phenol-formaldehyde resin powder accounts for 1 ~ 4% of raw material gross weight, described boric acid powder accounts for 0.5 ~ 1.5% of raw material gross weight.
2. a kind of magnesium carbonaceous dry materials according to claim 1, is characterized in that: described magnesia matrix accounts for 22% of raw material gross weight.
3. a kind of magnesium carbonaceous dry materials according to claim 1, is characterized in that: described phenol-formaldehyde resin powder accounts for 2% of raw material gross weight.
4. a kind of magnesium carbonaceous dry materials according to claim 1, is characterized in that: described boric acid powder accounts for 1% of raw material gross weight.
5. a kind of magnesium carbonaceous dry materials according to claim 1, is characterized in that: described particle size range is that the magnesia carbon brick particle of 0.3 ~ 1mm accounts for 30% of raw material gross weight.
6. a kind of magnesium carbonaceous dry materials according to claim 1, is characterized in that: described particle size range is that the magnesia carbon brick particle of 1 ~ 3mm accounts for 45% of raw material gross weight.
7. a kind of magnesium carbonaceous dry materials according to claim 6, is characterized in that: described particle size range is that the magnesia carbon brick particle of 0.3 ~ 1mm accounts for 30% of raw material gross weight, and described particle size range is that the magnesia carbon brick particle of 1 ~ 3mm accounts for 45% of raw material gross weight.
8. a kind of magnesium carbonaceous dry materials according to claim 7, it is characterized in that: described particle size range is that the magnesia carbon brick particle of 0.3 ~ 1mm accounts for 30% of raw material gross weight, described particle size range is that the magnesia carbon brick particle of 1 ~ 3mm accounts for 45% of raw material gross weight, described magnesia matrix accounts for 22% of raw material gross weight, described phenol-formaldehyde resin powder accounts for 2% of raw material gross weight, and described boric acid powder accounts for 1% of raw material gross weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510318614.9A CN104944982A (en) | 2015-06-11 | 2015-06-11 | Dry magnesia carbon material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510318614.9A CN104944982A (en) | 2015-06-11 | 2015-06-11 | Dry magnesia carbon material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106673674A (en) * | 2016-12-02 | 2017-05-17 | 周九喜 | Tundish dry material and preparation method thereof |
| CN107129311A (en) * | 2017-04-27 | 2017-09-05 | 酒泉钢铁(集团)有限责任公司 | A kind of method of waste and old refractory material recycling |
| CN107879751A (en) * | 2017-10-25 | 2018-04-06 | 新疆八钢铁股份有限公司 | A kind of method that tundish dry material is manufactured using waste magnesia carbon brick |
| CN111348896A (en) * | 2018-12-24 | 2020-06-30 | 新疆八一钢铁股份有限公司 | Working layer for forming refractory lining of continuous casting tundish |
| CN112500173A (en) * | 2020-12-09 | 2021-03-16 | 攀枝花钢城集团有限公司 | Dry material for ultra-low carbon steel tundish and preparation method and construction method thereof |
-
2015
- 2015-06-11 CN CN201510318614.9A patent/CN104944982A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106673674A (en) * | 2016-12-02 | 2017-05-17 | 周九喜 | Tundish dry material and preparation method thereof |
| CN107129311A (en) * | 2017-04-27 | 2017-09-05 | 酒泉钢铁(集团)有限责任公司 | A kind of method of waste and old refractory material recycling |
| CN107879751A (en) * | 2017-10-25 | 2018-04-06 | 新疆八钢铁股份有限公司 | A kind of method that tundish dry material is manufactured using waste magnesia carbon brick |
| CN111348896A (en) * | 2018-12-24 | 2020-06-30 | 新疆八一钢铁股份有限公司 | Working layer for forming refractory lining of continuous casting tundish |
| CN112500173A (en) * | 2020-12-09 | 2021-03-16 | 攀枝花钢城集团有限公司 | Dry material for ultra-low carbon steel tundish and preparation method and construction method thereof |
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Application publication date: 20150930 |
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