Performance description of fully automatic chain coal-fired/biomass hot water boiler:

1. Boiler model: CDZL4.2-85/60-SCII

2. Rated thermal power: 4.2MW 4.2MW chain grate biomass coal-fired pressurized hot water boiler heating boiler

3. Rated working pressure: 0Mpa

4. Rated inlet and outlet water temperature: 85 ℃/60 ℃

5. Hydraulic test pressure: 0.2Mpa

6. Water supply temperature: 20 ℃

7. Exhaust temperature: 123.17 ℃

8. Design thermal efficiency: 80.68%

9. Applicable fuels: biomass fuel, Class II bituminous coal, firewood

10. Fuel consumption: 900kg/h (depending on the lower heating value of the fuel)

11. Heating surface area of boiler: 129.255 ㎡

12. Heating area of grate: 7.54 ㎡ 4.2MW chain grate biomass coal-fired pressurized hot water boiler heating boiler

13. Overheated air coefficient: 1.4

14. Boiler safe and stable operating condition range: 80% - --100%

15. Large boiler transportation dimensions: 7420 × 3000 × 3670mm

16. Boiler weight: 37T

17. Boiler outlet diameter: DN150

18. Boiler return water diameter: DN150

19. Boiler atmospheric diameter: DN150

20. Chimney diameter: Φ 600

21. Boiler water inlet: DN40

22. Boiler discharge diameter: DN40/DN50

23. Boiler blower: 7.5KW, air volume 10000m ³/h

24. Boiler induced draft fan: 37KW, air volume 17517m ³/h

25. Furnace speed regulator: 0.7KW

26. Slag extractor: 1.1KW

27. Coal feeder: 1.1KW