Fully Automatic Low Nitrogen Steam Boiler
Product Specifications
- Boiler
Contact Supplier
Product Highlights
- High Efficiency Design: Wet-back, three-pass fire tube structure ensures 91-97% thermal efficiency.
- Wide Fuel Compatibility: Compatible with natural gas, diesel, LPG, LNG, CNG, biogas, heavy oil, etc.
- Customizable Color: Color is customizable to meet specific customer requirements.
- Complete Package Delivery: Delivered in complete sets for fast installation without additional civil construction.
- Strict Quality Control: 100% inspection including visual and function checks before leaving factory.
- Low Emission Technology: Clean combustion with low emissions, ideal for food, textile, and chemical industries.
- Flexible Capacity Range: Rated capacity from 0.5 to 20 ton/h (30-1500 BHP) to suit various needs.
- Advanced Control System: Features Zhongrui intelligent control system and top-brand instrumentation.
Product Attributes
- Customization
- Available
- Function
- Water Boiler, Steam Boilers, Hot Water Boiler, Oil Boiler
- Fuel
- Heavy Oil/Ng/LPG/Town Gas/Light Oil/Cog/Bfg
- Model NO.
- WNS Oil/Gas Steam Boiler
- Installation
- Packaged Boiler
- Structure
- Fire Tube
- Media
- Steam
- Water Circulation
- Natural Circulation
- Drum Placement
- Horizontal Boiler
- Pressure
- Low Pressure
- Manufacturing Level
- A
- Burning Style
- Chamber Combustion Boiler
- Usage
- Industrial, Home, Vehicle, Power Station
- Color
- Customizable
- Weight (Kg)
- 20000
- Dimension(L*W*H)
- 6000*2200*2600mm
- Warranty
- 1 Year
- Transport Package
- Nude Packing
- Specification
- 1 - 20 t/h
- Trademark
- ZHONG RUI
- Origin
- China
- HS Code
- 8402190000
- Production Capacity
- 5000 Set/Year
Product Images of Fully Automatic Low Nitrogen Steam Boiler
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Fully Automatic Low Nitrogen Steam Boiler -
Fully Automatic Low Nitrogen Steam Boiler -
Fully Automatic Low Nitrogen Steam Boiler -
Fully Automatic Low Nitrogen Steam Boiler -
Fully Automatic Low Nitrogen Steam Boiler -
Fully Automatic Low Nitrogen Steam Boiler -
Fully Automatic Low Nitrogen Steam Boiler
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Product Description
WNS Oil/Gas Steam Boiler
The boiler adopts a wet-back, three-pass fire tube structure with a large corrugated furnace and threaded smoke tubes, ensuring excellent heat transfer, high efficiency, and long service life.
The boiler is delivered in complete sets to enable fast installation and commissioning on site. Except for the connections of water, fuel, and electricity, no additional civil construction or special installation procedures are required.
Each boiler undergoes strict inspection and full commissioning before leaving the factory to guarantee performance and safety.
This type of boiler mainly consists of the Zhongrui-designed boiler body, international-brand burner, Zhongrui intelligent control system, top-brand instrumentation and pumps, high-efficiency economizer, steam header, chimney, and other accessories.
The Zhongrui WNS series features clean combustion, low emissions, convenient operation, and sufficient steam output, making it ideal for a wide range of industries such as:food & beverage, paper, textile, garment, printing & dyeing, chemical, packaging, and building materials.
Main Technical Parameters
Boiler Model: WNS Series
Structure Type: Wet Back, Fire Tube, Three Pass
Rated Capacity: 30-1500 BHP (0.5-20 ton/h)
Rated Pressure: 0.7 / 1.0 / 1.25 / 1.6 / 2.5 MPa
Rated Temperature: 170 / 184 / 194 / 204 / 225 °C
Applicable Fuels: Natural gas, diesel, LPG, LNG, CNG, biogas, heavy oil, etc.
| WNS SERIES GAS&OIL FIRED STEAM BOILER | ||||||||||||||||||||||||||||
| Type | WNS0.5 | WNS0.75 | WNS1 | WNS1.5 | WNS2 | WNS3 | WNS4 | WNS5 | WNS6 | WNS8 | WNS10 | WNS15 | ||||||||||||||||
| Rated evaporation |
t/h | 0.5 | 0.75 | 1 | 1.5 | 2 | 3 | 4 | 5 | 6 | 8 | 10 | 15 | |||||||||||||||
| Rated working pressure |
mPa | 0.7 | 1 | 0.7 | 1 | 1 | 1.25 | 1 | 1 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.6 | 1.25 | 1.25 | 1.25 | ||||||||||
| Rated steam temperature |
ºC | 170 | 184 | 170 | 184 | 184 | 193 | 184 | 184 | 193 | 193 | 193 | 193 | 193 | 204 | 193 | 193 | 193 | ||||||||||
| Feed water temperature |
ºC | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 102 | 102 | ||||||||||||
| Design thermal efficiency |
% | 91~97 | ||||||||||||||||||||||||||
| Water capacity | m³ | 2 | 2.2 | 3.2 | 3.2 | 3.7 | 5 | 5.3 | 6.2 | 8 | 8.6 | 10.8 | 10.8 | 14.3 | 18.94 | 28.7 | ||||||||||||
| Transport weight | T | 2.5 | 3 | 3.4 3.5 | 5.1 | 5.2 | 6.2 | 7.2 | 7.5 | 10.5 | 12.5 | 16.2 | 18.5 | 19 | 24.3 | 28.2 | 39.1 | |||||||||||
| Natural gas inlet diameter |
DN | 40 | 40 | 50 | 50 | 50 | 65 | 80 | 80 | 100 | 125 | 125 | 150 | 150 | 200 | |||||||||||||
| Natural gas pressure |
Kpa | 4~6 | 6~10 | 10~20 | ||||||||||||||||||||||||
| Fue ConSUmption |
Light oil | kg/h | 32.0 | 46.8 | 62.0 | 62.0 | 95.0 | 129.5 | 130.0 | 192.0 | 256.0 | 320.2 | 384.1 | 385.0 | 512.2 | 633.2 | 884.0 | |||||||||||
| Natural gas |
Nm³/h | 36.8 | 56.1 | 73.5 | 73.5 | 110.0 | 147.0 | 149.0 | 220.5 | 294.0 | 367.5 | 441.0 | 443.0 | 588.2 | 735.0 | 1026.0 | ||||||||||||
| Liquefied petroleum gas |
Nm³/h | 14.2 | 21.3 | 28.2 | 28.2 | 42.3 | 56.8 | 58.0 | 85.2 | 113.6 | 142.2 | 170.4 | 172.0 | 227.2 | 284.0 | 396.4 | ||||||||||||
| City gas | Nm³/h | 83.4 | 125.0 | 166.0 | 166.0 | 249.0 | 333.5 | 335.0 | 494.5 | 659.0 | 782.0 | 989.0 | 900.0 | 1337.8 | 1630.0 | 2182.0 | ||||||||||||
| Heztedarea | Radiation | m² | 4.4 | 4.5 | 6.37 | 6.37 | 7.2 | 8.83 | 7.8 | 11.2 | 12.5 | 15.9 | 16.4 | 18.5 | 23 | 30.66 | 39.6 | |||||||||||
| Convection | m² | 8.7 | 11.9 | 19.23 | 19.23 | 24.39 | 34.3 | 39.1 | 55.7 | 67.8 | 106.3 | 102.9 | 101.9 | 156.2 | 214.59 | 309 | ||||||||||||
| Condenser | m² | 9.54 | 9.54 | 21.2 | 21.2 | 31.9 | 25.3 | 25.3 | 64 | 40 | 113.5 | 69.8 | 69.8 | 203.3 | 255.9 | 205 | ||||||||||||
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2541432". Items marked "
" are certified.
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Company Profile
China-Swiss Group focuses on the R&D, manufacturing, promotion and application of clean energy and new energy technologies in China. Leveraging China's abundant human resources, manufacturing capacity and improved industrial chain, the group has completed the industrial layout of environmental protection boilers centered on the Chinese mainland market and radiating globally. It has established branch offices and agencies in provinces and cities across the country, responsible for product sales and after-sales services.
Amid the global energy scarcity, China-Swiss Group joined hands with the Royal Institute of Technology in February 2010 to establish "Nanjing China-Swiss Boiler Co., Ltd. ". Relying on international talent and technological advantages, the company timely introduced Europe's most advanced energy-saving and environmental protection technologies, and launched the "China-Swiss" brand of oil-fired, gas-fired and electric boilers using clean energy as fuel.
In July 2010, "China-Swiss Boiler" was awarded the title of "Most Environmentally Responsible Enterprise" at the 4th Shandong Green Expo.
In November 2011, the group further expanded and established "Yangzhou China-Swiss Boiler Co., Ltd. ". In 2012, it launched an OEM cooperation with a boiler manufacturing company in Jilin Province, leveraging the manufacturing resource advantages of Northeast China's old industrial base for resource complementarity and exploring the northern market.
In July 2015, Yangzhou China-Swiss Boiler Co., Ltd. Obtained the Class B Boiler Manufacturing License and launched the high-efficiency condensing waste heat recovery gas-fired steam boiler, with a thermal efficiency of 96~103%. The product fully complies with the global development trend of low-nitrogen economic technology advocated at the Copenhagen Climate Conference.
In January 2025, Yangzhou China-Swiss Boiler Co., Ltd. Obtained the Class A Boiler Manufacturing License and launched the fully premixed vacuum/phase change hot water unit, with a thermal efficiency of 96%~108% and nitrogen oxide emissions below 20mg/m³.
In addition, the company has independently developed a series of products, including condensing indirect heating hot water units (boilers), condensing vacuum hot water units (boilers), condensing atmospheric pressure hot water units (boilers), flue gas waste heat recovery organic heat carrier (heat transfer oil) boilers, biogas boilers, environmentally friendly coal-fired boilers and biomass boilers.
Shouldering the responsibility of energy conservation and emission reduction, China-Swiss Boiler maintains close cooperation with many large enterprises at home and abroad. Its products are widely used in industrial processes such as textile, printing and dyeing, papermaking, food, rubber, plastic, chemical, pharmaceutical, steel and metallurgy for steam and hot water needs. They also provide heating, bathing, air conditioning and domestic hot water for enterprises, government agencies, hotels, schools, catering and service industries.
The company boasts Europe's advanced scientific and technological management system, sophisticated process equipment and a high-quality workforce. Adhering to the business philosophy of "Technology, Environmental Protection, Innovation", taking technology as the core and market demand as the orientation, building a leading brand of low-nitrogen boilers in China has become the inexhaustible motivation of China-Swiss people!
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 501-1108, 5th Floor, Building D, Zhigu Technology Complex, 186 Yangzijiang Middle Road, Yangzhou Development Zone
-
Plant Area
- 25200 square meters
-
Number of Employees
- 95
-
Registered Capital
- 1,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Set
-
Supply Chain Partners
- 60
Our Production Capability & Technical Expertise
-
Main Products
- Boilers and Boiler Auxiliaries
-
Production Lines
- 2
-
Production Machines
- Laser Cutting Machine, Plasma Cutting Machine, Rolling Machine, Welding Machine, Cutting Machine, Flaw Detection Room, Water Leakage Detection Line
-
QA/QC inspectors
- 5 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Designs, Full Customization, Minor Customization
-
ODM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2025-04-07
-
Export Year
- 1 Year
-
Main Markets
- Domestic
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
FAQ
- What fuels can this boiler use?
- The boiler is compatible with a wide range of fuels including natural gas, diesel, LPG, LNG, CNG, biogas, heavy oil, and light oil.
- What is the warranty period?
- The standard warranty period is 1 Year.
- Is the boiler color customizable?
- Yes, the color is customizable according to customer requirements.
- What is the minimum order quantity?
- The minimum order quantity is 1 Set.
- How long is the lead time?
- The average lead time is within 15 workdays for both peak and off-peak seasons.
- What are the payment terms?
- Payment terms include LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.
- What is the boiler's thermal efficiency?
- The design thermal efficiency ranges from 91% to 97%.
- Is ODM service available?
- Yes, ODM service is available, offering customization from designs, full customization, and minor customization.
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