Chemical Engineering Applications
Keyword:
Chemical Engineering Applications
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Details
Project Name: Waste Heat Recovery from Styrene Air-cooled Tower for Steam Generation
Project Overview: Recovering waste heat from the 60-68℃ negative pressure process gas of the styrene air-cooled tower; generating 105~120℃ steam for process use.
Solution: Using a low-pressure steam heat pump unit to recover waste heat and produce low-pressure steam.
Economic Benefits: Carbon reduction benefits 2.671 million/year; savings in operating costs 27.586 million/year
| Carbon Reduction and Economic Analysis | |||
| Before Retrofit | Heat Source Type | / | Purchased Steam |
| Required Thermal Power | kW | 16800 | |
| Steam Consumption | ton steam/h | 24.0 | |
| Unit Price | Yuan/(ton steam) | 320 | |
| Operating Time | h | 8000 | |
| Annual Operating Cost | Ten thousand Yuan | 6144.0 | |
| After Retrofit | Heat Source Type | / | Heat Pump Generated Steam |
| Steam Consumption | kW*h/(ton steam) | 235.1 | |
| Total Power Consumption | kW | 5642.4 | |
| Electricity Price | Yuan/(kW*h) | 0.75 | |
| Annual Operating Cost | Ten thousand Yuan | 3385.4 | |
| Economic Analysis | Annual Carbon Reduction | ton/year | 46058.6 |
| Carbon Trading Price | Yuan/ton | 58 | |
| Estimated Carbon Reduction Benefits | Ten thousand Yuan/year | 267.1 | |
| Annual Cost Savings | Ten thousand Yuan/year | 2758.6 | |
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