Flue gas parameters and case analysis of waste heat boiler in iron and steel plant
Sintering machine waste heat power generation boilers are mainly used in iron and steel plants. The calculation of the tonnage of sintering machine waste heat boilers requires not only flue gas temperature and flue gas volume, but also cooling area and flue gas composition reports. The more information we provide, the more our technology The better the team can meet the actual needs of users.
Waste Heat Power Generation Boiler
1. Sintering machine operation data table:
| serial number | project | unit | Remark | |
| actual value | Remark | |||
| 1 | quantity | tower | 1 | |
| 2 | Effective area of sintering machine | m2 | 132 | |
| 3 | Utilization factor | t/m2.h | 1.37 | |
| 4 | Host operating days | d | 330 | |
| 5 | Annual output of sinter | 104t/a | 143 | |
| 6 | Mixing ore consumption | kg/t ore | 914 | |
| 7 | Quicklime consumption | kg/t ore | 72 | |
| 8 | Coke powder consumption | kg/t ore | 46 | |
| 9 | Sintering machine speed | m/min | 1.8 | |
| 10 | Sintered layer thickness | mm | 650 | |
| 11 | Blast furnace gas consumption | Nm3/h | 6500~7000 | |
| 12 | Calorific value of blast furnace gas | kJ/Nm3 | 3500~4000 | |
| 13 | Air volume of main exhaust fan | m3/min | 13500 | |
| 14 | Air pressure of main exhaust fan | Pa | -15500 | |
| 15 | Main exhaust fan power | kW | 5000 | |
| 16 | main exhaust fan Actual running current | A | 270 | 10kV Shaft power~ |
2. Operation data table of supporting ring cooler
| serial number | project | unit | Remark | |
| design value | Remark | |||
| 1 | quantity | tower | 1 | |
| 2 | cooling area | m2 | 170 | |
| 3 | Ambient Cooler Inlet Material temperature | ℃ | 350~400 | |
| 4 | Ring cooler ore handling capacity (Sinter cake output) | t/h | 320~450 | |
| 5 | Number of ring cooling fans | tower | 5 | |
| 6 | Ring cooling fan power | k | 132 | |
| 7 | Ring cooling fan running | tower | 4~5 | |
| 8 | Ring cooling fan operating current | A | 165 | 10kV Shaft power~ |
| 9 | Ring cooling fan design wind pressure | Pa | 3600 | |
| 10 | Ring cooling fan design air volume | Nm3/h | 96000 | |
| 11 | Material layer thickness of ring cooler | mm | 1400 | |
| 12 | Hot air sintering | none | ||
| 13 | Temperature inside a hood | ℃ | 120 | |
| 14 | Temperature inside the second-stage fume hood | ℃ | 65 | |
3. Case of 10-ton sinter cooler waste heat boiler in Hebei Iron and Steel Plant
- Project address: Handan, Hebei
- Purchase equipment: 10 tons of sintering waste heat recovery power generation boiler
- Application field: steel plant
- Medium classification: steam boiler
Zongheng Steel is a relatively large-scale manufacturer of hot-rolled products and medium and wide-band steel in China. The company started the energy comprehensive utilization project of waste heat and waste gas power generation in the early stage, and has realized a virtuous cycle of environmental protection, energy comprehensive utilization and corporate benefit synchronous growth.