The shell-type fire tube structure is adopted, and the flame is burned downward to enhance the heat transfer effect, thereby reducing the convective heating area; the flow resistance of the flue gas is small, the running power consumption is low, and the operation cost is saved.
| Working condition parameters | Rated thermal power (KW) | Inlet/outlet water temperature 70℃/90℃ | Inlet/outlet water temperature 60℃/80℃ | Inlet/outlet water temperature 50℃/60℃ | Inlet/outlet water temperature 30℃/40℃ | ||||||||
| Thermal efficiency (%) | Gas consumption (m³/h) | Exit smoke temperature (℃) | Thermal efficiency (%) | Gas consumption (m³/h) | Exit smoke temperature (℃) | Thermal efficiency (%) | Gas consumption (m³/h) | Exit smoke temperature (℃) | Thermal efficiency (%) | Gas consumption (m³/h) | Exit smoke temperature (℃) | ||
| V6-99 | 99 | 97.2 | 9.58 | 81.2 | 98.4 | 9.467 | 66 | 101.8 | 9.15 | 57.9 | 104.4 | 8.923 | 40.5 |
| V5-99 | 99 | 97.2 | 9.58 | 81.2 | 98.4 | 9.467 | 66 | 101.8 | 9.15 | 57.9 | 104.4 | 8.923 | 40.5 |
| Circulating water volume | Relative heating water production rate (L/H) | ||
| 25℃ | 35℃ | 65℃ | |
| V6-99 | 3406 | 2433 | 1310 |
| V5-99 | 3406 | 2433 | 1310 |
| Performance parameters | Nitrogen oxides (mg/Nm³) | Water storage capacity (L) | Electric power (W) | Net weight (kg) | Full water weight (kg) | Rated working pressure (MPa) | Gas port (mm) | Gas pressure (Pa) | Safety valve (mm) | Safety valve pressure (MPa) | Sewage outlet (mm) | Water inlet/outlet (mm) | Smoke vent (mm) |
| V6-99 | <30 | 495 | <390 | 620 | 1195 | 1.0 | DN20 | 2-3000 | DN25 | 1.1 | DN20 | DN50 | Φ110 |
| V5-99 | <80 | 495 | <390 | 620 | 1195 | 1.0 | DN20 | 2-3000 | DN25 | 1.1 | DN20 | DN50 | Φ110 |
