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Under the circumstances of environmental protection, production limitation and tension supply of agglomerate, it is becoming a new trend in the development of furnace burden structure for iron making to use large proportion of pellet in 2 200 m3 blast furnace of Baotou Steel. The blast furnace condition maintains stable and trouble-free, application of large proportion of pellets in 2 200 m3 blast furnace of Baotou Steel is successfully realized and the proportion of pellet is up to 50% through adjusting and controlling the bandwidth for matrix of burden distribution, amount of central coke, sequence of material discharge at output section, diameter and length of the tuyere, heat reserve of hearth, basicity of slag as well as actively responding to the changes of furnace condition for operations after the proportion of pellet increases.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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