
Oil and Gas Steam Boiler
WNS1-1.25-Y Q(LN30)
The WNS1-1.25-Y/Q boiler is a high energy-efficiency boiler designed for various industrial applications. It is equipped with advanced technologies ensuring optimal performance, enhanced safety, and a reduced environmental footprint.
Parameter | Detail |
---|---|
Nominal working pressure | 1,25 MPa |
Evaporation capacity | 1 tonne per hour |
Nominal steam temperature | 193°C |
Supported fuels | Natural gas / Light oil |
Combustion efficiency | Gas: 99.2% / Oil: 98.7% |
Average water volume level | 3,3 m³ |
Volume d'eau moyen | 34,34 m x 1,92 m x 2,93 m |
Weight | 4.7 tonnes |
Emission projects | SO2 (mg/m3) | NOX (mg/m3) | Particulates (smoke) (mg/m³) |
---|---|---|---|
Gas boiler | <50 | <30 | <5 |
Oil boiler | <100 | <185 | <30 |


- Nominal evaporation capacity 1t/h
- Nominal steam pressure 1.25MPa
- Nominal steam temperature 193°C
- Water volume at the average level 3.3m3
- Feedwater temperature 20°C
- Boiler heating surface:
- Radiation: 6.24m²
- Convection: 10.3m²
- Design fuel: Natural gas, light fuel oil
- Design efficiency of gas: 99.7%
- Heating surface of the heat exchanger: 12.9m²
- Design efficiency of fuel oil 98.7%
- Heating surface of the condenser: 7.7m²
- Flue gas temperature of the gas: 70.8°C
- Working pressure of the condenser: Atmospheric pressure
- Flue gas temperature of the: 65.8°C
- The feedwater temperature at the condenser outlet 0.2Mpa
- Gas consumption 70.2 Nm3/h
- The feedwater temperature at the condenser outlet: 20/38°C
- Gas consumption: 62.9 Kg/h
- Condenser circulating water flow rate: 1m3/h
- Ventilated type Forced ventilation
- Chimney specifications 300*10m
- Maximum weight of the transport item: 4.7t
- Maximum dimensions of the transport item (l x w x h) 3434*1920*2931
- Lower heating value of the fuel 38.28MJ/Nm/42.9MJ/Kg
Num | Drawing number | Name | Qua. | Materials | Weight |
---|---|---|---|---|---|
1 | HGY21007-1-0 | Main body | 1 | Component | 2336 |
2 | HGY21007-2-0 | Pipeline valve instruments | 1 | Component | 565 |
3 | HGY21007-3-0 | Packaging plan | 1 | Component | 1345 |
4 | HGY21007-4-0 | Foundation plan | 1 | Component | / |
5 | HGY21007-5-0 | Energy-saving device | 1 | Component | 259 |
6 | HGY21007-6-0 | Condenser | 1 | Component | 190 |
7 | HGY21007-7-0 | Distribution cylinder | 1 | Component | 118 |
Technical requirements
The design, manufacture, inspection, installation, and use of the boiler must comply with the following standards:
- TSG 11-2020: Boiler safety technical regulations
- TSG 91-2021: Technical regulations for energy conservation and environmental protection of boilers
- NB/T 47034-2021: Technical conditions of industrial boilers
- NB/T 16508-2022: Shell boilers
- GB50273-2022: Construction standards and acceptance of boiler installation work
- GB/T 1576-2018: Water quality of industrial boilers
- GB/T 13271-2014: Emission standards for atmospheric pollutants from boilers
- NB/T 47055-2017: General technical conditions for the coating and packaging of boilers
After final assembly, a hydraulic pressure test must be conducted in accordance with GB/T 16508-2022 (Shell boilers).
The test pressure is set at 1.65 MPa with a holding duration of 20 minutes.
- This boiler is suitable for three types of fuel: Oil, gas, and combined oil/gas
- When using fuel oil A burner suitable for fuel oil must be used.
- When using gas A burner suitable for gas must be used.
- When using combined oil/gas A burner suitable for oil/gas must be used.

Working pressure | Working temperature | Design volume |
---|---|---|
<1.25MPa | Saturated steam | 0.06m3 |
Temperature | Test pressure | Working medium |
---|---|---|
193°c | 1.875MPa | Water vapor |
Light fuel oil burner | Natural gas burner | Electrical control box | Water pump | Water treatment arrangement | Total power consumed by auxiliaries |
---|---|---|---|---|---|
RL 100 N=1.5Kw | RS 120/E FGR N=2.2 kW | WNK-1 | JGGC2.4-8*20 Q=2.4m3/h H=160m N=3kw | P=0.2~0.4MPa Qmax=1.5m3/h | 5.2 kw |
Nominal steam pressure/MPa | Turbidity /FTU | Hardness /mmol/L | pH value (25°C) | Dissolved oxygen /(mg/L) | Oil / (mg/L) | Total iron /(mg/L) | Electrical conductivity (25°C) / (µS/cm) |
---|---|---|---|---|---|---|---|
1.0
| <5.0 | <0.03 | 7.0~10.5 8.5~10.5 | <0.10 <0.050 | <2.0 | <0.30 | <5.5*10 <1.1*10 |
Total alkalinity /(mmol) | Phenolphthalein /(mmol) | H value (25°C) | Dissolved solids / (mg/L) | Phosphate / (mg/L) | Bisulfite / (mg/L) |
---|---|---|---|---|---|
4.0~24.0 <24.0 | 2.0~16.0 <16.0 | 10.0~12.0 | <3.5*103 | <3.5*103 | 10.0~30.0 |