Waste heat recovery application of air compressor
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Waste heat recovery application of air compressor
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Project Name: Waste Heat from Air Compressors for Steam Generation
Project Overview: Recovering heat from the lubricating oil of three 130kW air compressors; generating 105~120℃ steam for pickling and phosphating.
Solution: Using a low-pressure steam heat pump unit to recover waste heat and produce low-pressure steam.
Economic Benefits: Carbon reduction benefits 37,000 yuan/year; savings in operating costs 987,000 yuan/year.
Project Name: Waste Heat from Air Compressors for Steam Generation
Project Overview: Recovering heat from the lubricating oil of three 130kW air compressors; generating 105~120℃ steam for pickling and phosphating.
| Carbon Reduction and Economic Analysis | |||
| Before Retrofit | Heat Source Type | / | Electric Heating |
| Required Heat Power | kW | 320 | |
| Steam Consumption | ton steam/h | 0.5 | |
| Unit Price | yuan/(ton steam) | 520 | |
| Operating Time | h | 6000 | |
| Annual Operating Cost | Ten thousand yuan | 142.6 | |
| After Retrofit | Heat Source Type | / | Heat Pump Generated Steam |
| Steam Consumption | kW*h/(ton steam) | 246.2 | |
| Total Power Consumption | kW | 112.5 | |
| Electricity Price | yuan/(kW*h) | 0.65 | |
| Annual Operating Cost | Ten thousand yuan | 43.9 | |
| Economic Efficiency | Annual Carbon Reduction | ton/year | 642.3 |
| Carbon Trading Price | yuan/ton | 58 | |
| Estimated Carbon Reduction Benefit | Ten thousand yuan/year | 3.7 | |
| Annual Cost Savings | Ten thousand yuan/year | 98.7 | |
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Address: No. 11, Kaifang Avenue, Huangpu District, Guangzhou, Guangdong Province, China, 6th floor, South China Institute of Industrial Technology, Zhejiang University
Room 3008, Building D, SOHO Modern City, Chaoyang District, Beijing, China
No. 588, Hongqiao North Road, Xindai Town, Jiaxing City, Zhejiang Province, China