3D Model Studies on the Effect of Bed and Powder Type Upon Radial Static Pressure and Powder Distribution in Metallurgical Shaft Furnaces
The flow of gases in metallurgical shaft furnaces has a decisive influence on the course and process efficiency. Radial changes in porosity of the bed cause uneven flow of gas along the radius of the reactor, which sometimes is deliberate and intentional. However, holdup of solid particles in descen...
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| Format: | Article |
| Language: | English |
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Polish Academy of Sciences
2017-09-01
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| Series: | Archives of Metallurgy and Materials |
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| Online Access: | http://www.degruyter.com/view/j/amm.2017.62.issue-3/amm-2017-0224/amm-2017-0224.xml?format=INT |
| _version_ | 1818978942934056960 |
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| author | Panic B. |
| author_facet | Panic B. |
| author_sort | Panic B. |
| collection | DOAJ |
| description | The flow of gases in metallurgical shaft furnaces has a decisive influence on the course and process efficiency. Radial changes in porosity of the bed cause uneven flow of gas along the radius of the reactor, which sometimes is deliberate and intentional. However, holdup of solid particles in descending packed beds of metallurgical shaft furnaces can lead to unintentional changes in porosity of the bed along the radial reactor. Unintentional changes in porosity often disrupt the flow of gas causing poor performance of the furnace. Such disruptions of flow may occur in the blast furnace due to high level of powder content in gas caused by large amount of coal dust/powder insufflated as fuel substitute. The paper describes the model test results of radial distribution of static pressure and powder hold up within metallurgical reactor. The measurements were carried out with the use of 3D physical model of two-phase flow gas-powder in the moving (descending) packed bed. Sinter or blast furnace pellets were used as packed bed while carbon powder or iron powder were used as the powder. Wide diversity within both static pressure distribution and powder distribution along the radius of the reactor were observed once the change in the type of powder occurred. |
| first_indexed | 2024-12-20T16:51:39Z |
| format | Article |
| id | doaj.art-14f9cb5a99ca4dbda4c2e0f698bf4b79 |
| institution | Directory Open Access Journal |
| issn | 2300-1909 |
| language | English |
| last_indexed | 2024-12-20T16:51:39Z |
| publishDate | 2017-09-01 |
| publisher | Polish Academy of Sciences |
| record_format | Article |
| series | Archives of Metallurgy and Materials |
| spelling | doaj.art-14f9cb5a99ca4dbda4c2e0f698bf4b792022-12-21T19:32:48ZengPolish Academy of SciencesArchives of Metallurgy and Materials2300-19092017-09-016231449145210.1515/amm-2017-0224amm-2017-02243D Model Studies on the Effect of Bed and Powder Type Upon Radial Static Pressure and Powder Distribution in Metallurgical Shaft FurnacesPanic B.0SILESIAN UNIVERSITY OF TECHNOLOGY, INSTITUE OF METALS TECHNOLOGY, KATOWICE, POLANDThe flow of gases in metallurgical shaft furnaces has a decisive influence on the course and process efficiency. Radial changes in porosity of the bed cause uneven flow of gas along the radius of the reactor, which sometimes is deliberate and intentional. However, holdup of solid particles in descending packed beds of metallurgical shaft furnaces can lead to unintentional changes in porosity of the bed along the radial reactor. Unintentional changes in porosity often disrupt the flow of gas causing poor performance of the furnace. Such disruptions of flow may occur in the blast furnace due to high level of powder content in gas caused by large amount of coal dust/powder insufflated as fuel substitute. The paper describes the model test results of radial distribution of static pressure and powder hold up within metallurgical reactor. The measurements were carried out with the use of 3D physical model of two-phase flow gas-powder in the moving (descending) packed bed. Sinter or blast furnace pellets were used as packed bed while carbon powder or iron powder were used as the powder. Wide diversity within both static pressure distribution and powder distribution along the radius of the reactor were observed once the change in the type of powder occurred.http://www.degruyter.com/view/j/amm.2017.62.issue-3/amm-2017-0224/amm-2017-0224.xml?format=INTblast furnacesystem: descending packed bed - gas-powderpressureholdup powder |
| spellingShingle | Panic B. 3D Model Studies on the Effect of Bed and Powder Type Upon Radial Static Pressure and Powder Distribution in Metallurgical Shaft Furnaces Archives of Metallurgy and Materials blast furnace system: descending packed bed - gas-powder pressure holdup powder |
| title | 3D Model Studies on the Effect of Bed and Powder Type Upon Radial Static Pressure and Powder Distribution in Metallurgical Shaft Furnaces |
| title_full | 3D Model Studies on the Effect of Bed and Powder Type Upon Radial Static Pressure and Powder Distribution in Metallurgical Shaft Furnaces |
| title_fullStr | 3D Model Studies on the Effect of Bed and Powder Type Upon Radial Static Pressure and Powder Distribution in Metallurgical Shaft Furnaces |
| title_full_unstemmed | 3D Model Studies on the Effect of Bed and Powder Type Upon Radial Static Pressure and Powder Distribution in Metallurgical Shaft Furnaces |
| title_short | 3D Model Studies on the Effect of Bed and Powder Type Upon Radial Static Pressure and Powder Distribution in Metallurgical Shaft Furnaces |
| title_sort | 3d model studies on the effect of bed and powder type upon radial static pressure and powder distribution in metallurgical shaft furnaces |
| topic | blast furnace system: descending packed bed - gas-powder pressure holdup powder |
| url | http://www.degruyter.com/view/j/amm.2017.62.issue-3/amm-2017-0224/amm-2017-0224.xml?format=INT |
| work_keys_str_mv | AT panicb 3dmodelstudiesontheeffectofbedandpowdertypeuponradialstaticpressureandpowderdistributioninmetallurgicalshaftfurnaces |