| Autor: |
Mohsenzadeh, Fatemeh Mahnaz, Payab, Hassan, Abdoli, Mohammad Ali, Abedi, Zahra |
| Zdroj: |
Ekoloji Dergisi; 2018, Issue 106, p959-967, 9p |
| Abstrakt: |
The Midrex office space has been designed for a collaborative environmental work, with an open floor plan and numerous meeting rooms and areas for discussion. PERED® Direct reduction technology is the new technology in the world. Iran developed PERED® direct reduction technology for decreasing capital cost and energy saving. Iron oxide pellets are reduced in the shaft furnace. Top gas return from furnace after cleaning in scrubber is divided into fuel and process gas. Process and natural gas are mixed together (feed gas) after preheat in heat recovery system. Reducing gas is generated in the reformer by reacting methane (CH4) with water vapor (H2O) and recycled carbon dioxide (CO2) in reformer tube. Flue gas is produced due to combustion of gases in the reformer box. Some changes and improvement in equipment have been done. Reformer tubes changed from 8 to 10 inch and reformer box volume is decreased. Process and seal gas compressors are changed from Aerzen rotary lobe type to centrifugal Siemens type. Shaft furnace has a new design and internal furnace diameter is variable in terms of furnace diameter. China hat equipment replaced upper cluster breaker. Elimination of upper cluster breaker is done without any problem for movement of material in the furnace. It is affirm that it does not create any cluster in PERED® technology. Tube bundles arrangement is developed and one steam tube bundle is increased. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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