Gas-Fired Steam Boiler
Description
A gas-fired steam boiler is an industrial device that uses natural gas, liquefied petroleum gas, or manufactured gas as fuel to generate high-temperature, high-pressure steam through a highly efficient combustion system. As a representative of clean energy boilers, gas-fired steam boilers are specifically designed to meet the modern industrial demands for efficient, stable, and environmentally friendly steam power, and are widely used in manufacturing, food processing, pharmaceuticals, textiles, chemicals, and commercial buildings. Gas-fired steam boilers significantly reduce carbon emissions, making them the preferred equipment for companies aiming to achieve their "dual carbon" goals (carbon reduction, carbon emissions reduction, and carbon neutrality).
Technical Structure and Design Features
Wet-Back Structure:
The Gas-Fired Steam Boiler adopts a fully wet-back combustion chamber structure, where flue gas is completely surrounded by a water space. This avoids the overheating and burn-out problem of the back panel caused by high-temperature flue gas scouring, which is common in dry-back structures, significantly extending the boiler's service life.
Enhanced Heat Transfer with Turbidators:
Stainless steel turbulent devices are inserted inside the flue tubes to disrupt the laminar flow boundary layer of the flue gas, enhancing convective heat transfer and allowing the boiler of the same volume to achieve greater output power.
High-Quality Insulation Layer:
The gas-powered steam boiler uses multi-layer insulation of high thermal resistance aluminum silicate fiber felt and rock wool, with an outer layer covered by mirror-finished stainless steel or embossed aluminum plates. This not only minimizes heat loss but also provides an aesthetically pleasing appearance and corrosion resistance.
Product parameters
|
Model |
WNS 2-1.0-Y,Q |
WNS 4-1.25-Y,Q |
WNS 6-1.25-Y,Q |
WNS 8-1.25-Y,Q |
WNS 10-1.25-Y,Q |
WNS 15-1.25-Y,Q |
WNS 20-1.25-Y,Q |
|
|
Rated evaporation capacity(t/h) |
2 |
4 |
6 |
8 |
10 |
15 |
20 |
|
|
Rated working pressure(MPa) |
1.0 |
1.25 |
1.25 |
1.25 |
1.25 |
1.25 |
1.25 |
|
|
Rated steam temperature(°C) |
184 |
193 |
193 |
193 |
193 |
193 |
193 |
|
|
Water-supply temperature(°C) |
20 |
20 |
104 |
104 |
104 |
104 |
104 |
|
|
Boiler volume(m3) |
7.2 |
8.2 |
14.5 |
16.2 |
19.8 |
26.1 |
30.5 |
|
|
Design efficiency(%) |
92 |
92 |
92 |
92 |
92 |
93 |
93 |
|
|
Applicable fuel |
Light oil,heavy oil,natural gas,Liquefied gas gas and urban coal gas |
|||||||
|
External dimensions |
Length(mm) |
5084 |
6022 |
7151 |
7600 |
8360 |
9050 |
9650 |
|
Width(mm) |
2450 |
2700 |
2800 |
3000 |
3000 |
3200 |
3430 |
|
|
Height(mm) |
2380 |
2684 |
2882 |
3200 |
3200 |
3560 |
3570 |
|
|
Boiler weight(t) |
8 |
12.6 |
17.2 |
18.6 |
23.5 |
34.2 |
40.1 |
|
|
Diameter of main steam opening(mm) |
65 |
100 |
125 |
150 |
150 |
200 |
200 |
|
|
Diameter of safety valve(mm) |
40×2 |
50×2 |
65×2 |
65×2 |
80×2 |
100×2 |
100×2 |
|
|
Chimney diameter(mm) |
350 |
450 |
600 |
700 |
750 |
900 |
1000 |
|
|
Model |
WNS 1.4-0.7/95/70-Y,Q |
WNS 4-1.25-Y,Q |
WNS 6-1.25-Y,Q |
WNS 8-1.25-Y,Q |
WNS 10-1.25-Y,Q |
WNS 15-1.25-Y,Q |
WNS 20-1.25-Y,Q |
|
|
Rated heating power (MW0 |
1.4 |
2.8 |
4.2 |
5.6 |
7 |
10.5 |
14 |
|
|
Rated water-delivery pressyre (MPa) |
0.7 |
0.7 |
1.0 |
1.0 |
1.0 |
1.25 |
1.25 |
|
|
Rated outlet temperature(°C) |
95 |
95 |
95 |
95 |
95 |
115 |
115 |
|
|
Rated inlet temperature(°C) |
70 |
70 |
70 |
70 |
70 |
70 |
70 |
|
|
Circulation amount (m3/h) |
48 |
96 |
144 |
193 |
241 |
201 |
267 |
|
|
Boiler volume(m3) |
6.7 |
7.1 |
9.8 |
11.5 |
13.8 |
16.1 |
20.4 |
|
|
Design efficiency(%) |
92-100% |
92-100% |
92-100% |
92-100% |
92-100% |
92-100% |
92-100% |
|
|
Applicable fuel |
Light oil,heavy oil,natural gas,Liquefied gas gas and urban coal gas |
|||||||
|
External dimensions |
Length(mm) |
5038 |
6020 |
6860 |
7600 |
8160 |
8850 |
9450 |
|
Width(mm) |
2280 |
2650 |
2800 |
3000 |
3000 |
3200 |
3430 |
|
|
Height(mm) |
2240 |
2684 |
2882 |
3110 |
3200 |
3560 |
3570 |
|
|
Boiler weight(t) |
7.2 |
12.3 |
15.1 |
17.2 |
20.7 |
31.3 |
39.8 |
|
|
Diameter of main steam opening(mm) |
100 |
150 |
200 |
200 |
200 |
200 |
200 |
|
|
Diameter of safety valve(mm) |
50 |
50×2 |
65×2 |
65×2 |
80×2 |
100×2 |
100×2 |
|
|
Chimney diameter(mm) |
350 |
450 |
600 |
700 |
750 |
900 |
1000 |
|
Application Areas
- Food and Beverage: Cooking, sterilization, distillation, drying.
- Pharmaceuticals and Chemicals: Reactor heating, sterilization, extraction and concentration.
- Textiles and Apparel: Ironing, shaping, drying, dyeing.
- Hotels and Schools: Central kitchens, laundry rooms, winter heating, domestic hot water supply.
- Building Materials Industry: Autoclaving, concrete curing.
Core Advantages: Surpassing Traditional Boilers
The Gas-Fired Steam Boiler boasts a thermal efficiency of 92%~95%, far exceeding national standards, reducing energy consumption per ton of steam by 15%~20%.
The gas-powered steam boiler utilizes fully premixed combustion technology and a flue gas waste heat recovery system, reducing fuel waste and saving over 100,000 RMB in fuel costs annually.
NOx emissions ≤30mg/Nm³, CO emissions ≤100mg/Nm³, complying with EU CE and Chinese ultra-low emission standards.
Zero sulfur oxide (SO₂) and particulate matter (PM2.5) emissions, avoiding acid rain and smog pollution, helping enterprises pass environmental protection inspections.
Integrated PLC intelligent control system supports remote monitoring and automatically adjusts combustion ratio, steam pressure, and temperature, requiring no manual operation.
Equipped with multiple safety protections: automatic water level detection, overpressure/overtemperature interlock shutdown, and gas leak alarm, reducing the failure rate by 90% and meeting ISO 9001 safety standards.
Capacities range from 1 ton/hour to 100 tons/hour, with pressure ranges from 0.5 to 2.5 MPa, meeting the needs of small workshops to large factories.
The modular structure supports rapid assembly, shortening the installation cycle by 50% and requiring only 60% of the space of traditional boilers, saving factory space.
Installation Requirements
The Gas-Fired Steam Boiler features an integrated skid-mounted design and is fully commissioned before leaving the factory, making on-site installation convenient. Only the following basic conditions must be met:
① The site must comply with boiler installation specifications, with sufficient space for operation and maintenance;
② A stable gas supply pipeline, a water supply pipeline, and a qualified drainage system are required;
③ A suitable power supply with grounding protection is necessary;
④ The chimney installation must meet environmental protection requirements, ensuring smooth flue gas emission and preventing backflow. A professional installation team can provide one-stop on-site installation and commissioning services to ensure the equipment is put into use quickly.
Daily Operation and Maintenance
Daily operation and maintenance of the gas-powered steam boiler is simple, mainly including the following:
① Regularly check the gas pipeline sealing to prevent gas leaks;
② Regularly clean the burner, flue, and condenser to remove ash and debris, ensuring heat exchange efficiency and combustion effect;
③ Regularly check safety devices such as water level gauges, pressure gauges, and safety valves to ensure their normal operation;
④ Regularly replace lubricating oil, filters, and other wear parts to extend equipment lifespan;
⑤ Utilize the fault warning function of the control system to promptly handle abnormal situations during equipment operation and prevent the fault from escalating. The equipment comes with a comprehensive operation and maintenance manual, and professional operation and maintenance training and after-sales support are provided to reduce user operation and maintenance costs.
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