GB 50189-2015 第4.2.8条
| **** | The rated thermal efficiency of boilers shall not be lower than the provisions of Table 4.2.8: thermal efficiency of oil-fired and gas-fired boilers ≥92% (rated evaporation capacity ≥1 t/h or rated thermal power ≥0.7 MW); thermal efficiency of coal-fired boilers ≥80% (rated evaporation capacity ≥1 t/h or rated thermal power ≥0.7 MW). |