WNS0.7-WNS10.5
Zhongrui
Natural gas, liquefied petroleum gas (LPG), city gas, coke oven gas (COG), blast furnace gas (BFG), light oil (such as diesel), heavy oil (such as fuel oil), methanol, waste oil (such as waste engine oil and waste lubricating oil, which need to be filtered and purified), biodiesel, etc.
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Introducing the Zhongrui WNS Oil/Gas Hot Water Boiler - a pinnacle of innovation and efficiency! Crafted meticulously by the experts at Yangzhou Zhongrui Boiler Co., Ltd., this state-of-the-art boiler blends advanced German technology with decades of seasoned industry expertise, offering an unparalleled solution for high-efficiency and energy-saving performance.
Unlock superior performance with our groundbreaking wet-back, three-pass fire tube design. Boasting a large corrugated furnace paired with expertly engineered threaded smoke tubes, it achieves phenomenal heat transfer, top-tier efficiency, and enduring reliability.
Experience simplicity and convenience with our boiler's all-inclusive pre-packaged complete sets, crafted for effortless installation and prompt start-up at your facility. Just connect water, fuel, and electricity - no additional construction or specialized installation required.
To guarantee optimum efficiency and steadfast safety, each boiler undergoes a rigorous inspection and thorough commissioning process before leaving our facility.
At the heart of the boiler lies a Zhongrui-engineered body, complemented by a globally acclaimed burner, an advanced Zhongrui intelligent control system, premium instrumentation and pumps, a high-efficiency economizer, a steam header, a chimney, and other precision-engineered accessories designed for excellence.
The Zhongrui WNS series excels with its impeccable combustion, ultra-low emissions, intuitive operation, and robust steam output, ideally suited for diverse industries such as food & beverage, paper, textile, garment, printing & dyeing, chemical, packaging, and construction materials.
Main Technical Parameters
Boiler Model: WNS Series
Structure Type: Wet Back, Fire Tube, Three Pass
Rated Capacity: 0.7-10.5MW
Applicable Fuels: Natural gas, diesel, LPG, LNG, CNG, biogas, heavy oil, etc.
| Item | WNS0.7 | WNS1.05 | WNS1.4 | WNS2.1 | WNS2.8 | WNS3.5 | WNS4.2 | WNS5.6 | WNS7 | WNS10.5 | ||
| Rated Thermal Power | MW | 0.7 | 1.05 | 1.4 | 2.1 | 2.8 | 3.5 | 4.2 | 5.6 | 7 | 10.5 | |
| Rated Working Pressure | mPa | 0.7 | 0.7 | 0.7 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Rated Inlet/Outlet Water Temperature | ℃ | 95/70 | ||||||||||
| Design Thermal Efficiency | % | 91~97 | ||||||||||
| Water Capacity | m3 | 2 | 2.51 | 4.5 | 4.5 | 6 | 6.5 | 9.2 | 12 | 15.5 | 26 | |
| Transport Weight | T | 3.6 | 3.7 | 6.5 | 6.7 | 8.2 | 11 | 12.5 | 20 | 32 | 41 | |
| Natural Gas Pipe Diameter | DN | 40 | 65 | 65 | 65 | 80 | 100 | 125 | 125 | 150 | 200 | |
| Natural Gas Supply Pressure | Kpa | 4~6 | 6~10 | 10~20 | ||||||||
| Fuel Consumption | Light Oil | kg/h | 64.1 | 96.8 | 129 | 192 | 256 | 320.1 | 384 | 488 | 608 | 911 |
| Natural Gas | Nm3/h | 75.2 | 116.2 | 151 | 231 | 308 | 368 | 465 | 587 | 734 | 1102 | |
| Liquefied Petroleum Gas | Nm3/h | 29.1 | 44.9 | 58.3 | 89.3 | 119 | 142.2 | 179.7 | 226.8 | 283.6 | 425.8 | |
| Gas | Nm3/h | 159.8 | 246.9 | 320.9 | 490.9 | 654.5 | 782 | 988.1 | 1247.4 | 1559.8 | 2341.8 | |
| Heated Area | Radiation | m2 | 5.7 | 7.51 | 9.6 | 10.4 | 11.6 | 15 | 18.5 | 21.1 | 28 | 39.6 |
| Convection | m2 | 15 | 19.7 | 36.23 | 46.4 | 58.3 | 78.8 | 98.3 | 129.2 | 187 | 275.1 | |
| Project | Pressure gauge pipe seat | Inlet/outlet pipe socket | Exhaust pipe seat | Safety valve socket | Drain pipe seat | Diameter of smoke exhaust outlet | Overall dimensions | ||||||
| DN | DN | DN | DN | DN | mm | L | L1 | L2 | W | W1 | H | H1 | |
| WNS0.7-0.7 | 20 | 80 | 20 | 40 | 40 | 280 | 3100 | 2520 | 1050 | 1440 | 1100 | 1850 | 2650 |
| WNS1.05-0.7 | 20 | 100 | 20 | 40 | 40 | 320 | 3520 | 2755 | 1100 | 1550 | 1150 | 1970 | 2775 |
| WNS1.4-0.7 | 20 | 100 | 32 | 2*40 | 40 | 350 | 4000 | 3400 | 1100 | 1785 | 1200 | 2185 | 3200 |
| WNS2.1-1.0 | 20 | 100 | 20 | 2*50 | 50 | 380 | 4500 | 3800 | 1200 | 1785 | 1300 | 2275 | 3200 |
| WNS2.8-1.0 | 20 | 125 | 25 | 2*50 | 50 | 450 | 4850 | 4100 | 1650 | 1965 | 1400 | 2500 | 3445 |
| WNS3.5-1.0 | 20 | 125 | 25 | 2*50 | 50 | 550 | 5100 | 4100 | 1650 | 2270 | 1700 | 2750 | 3665 |
| WNS4.2-1.0 | 20 | 150 | 25 | 2*80 | 2*50 | 600 | 5270 | 4282 | 1217 | 2450 | 1800 | 2855 | 3800 |
| WNS5.6-1.0 | 20 | 200 | 25 | 2*80 | 2*50 | 700 | 6200 | 5165 | 1259 | 2535 | 1800 | 3060 | 4110 |
| WNS7-1.0 | 20 | 200 | 25 | 2*80 | 2*50 | 800 | 6860 | 5775 | 1320 | 2735 | 2000 | 3130 | 4280 |
| WNS10.5-1.0 | 20 | 200 | 25 | 2*100 | 2*50 | 1000 | 8080 | 7100 | 2150 | 3250 | 2620 | 3580 | 4730 |



