Gas diesel hot water boiler| Coal/biomass hot water boiler|Electric hot water boiler
Hot water boiler is an important heating equipment for central heating or factory production, popular in all the needs of hot water. Widely used in food/beverage, hotel, hospital, slaughterhouses, greenhouse, wood chamber, building heating etc.
| Layout: | Horizontal, Vertical, Skid Mounted, Container |
| Capacity: | 80kw to 28,000kw 80,000kcal to 12m kcal |
| Horsepower: | 10 to 2500hp |
| Available Fuel: | gas, lpg, diesel, coal, briquette, wood, biomass, husk, electric etc |
| Applied Industries: | all the needs of hot water or central heating |
Introduction
Yuanda Boiler, specialized in industrial boiler since 1956. Aim to offer the most proper hot water heating system according customer needs.
We providing complete range of hot water boilers for the food, chemical, wood, hospital, hotel, greenhouse, slaughter house and other industries.
Available in fire-tube, water-tube, mixed-tube, fueled by gas, oil, biomass, coal, and electric etc. Certifications: ASME, CE, ISO, EAC, DOSH.
PS: For more hot water boiler models, please see below.
1. Fully automatic, safe, and high-efficiency gas/oil boiler.
2. Horizontal, three-pass, fire-tube design for quick installation (package boiler).
3. Wet-back configuration for high-temperature resistance and improved airtightness.
4. Internationally branded burners (Weishaupt, Baltur) with electronic modulation.
5. Large-size corrugated furnace lining + patented threaded flue pipe design.
6. Equipped with an energy-saving device; thermal efficiency reaches 98%.
7. PLC control with touchscreen, remote monitoring, and safety alarms.
8. Can be installed on a platform or inside a container, requiring no complicated installation and allowing for quick commissioning.
1. Vertical fire-tube boiler, requires very little floor space.
2. Ideal for small industries, hotels, hospitals, laundries, and processes with moderate hot water demand.
3. Fast start-up (5-10 minutes to reach working pressure).
4. Robust construction with a high-strength steel combustion chamber.
5. Quiet operation and low emissions thanks to low NOx burners.
6. Fully automatic, includes a protection system against water shortage and overpressure.
7. Easy maintenance thanks to its front inspection doors.
1. Single-drum boiler, combining water-tube and fire-tube heating.
2. Combustion equipment: chain grate (DZL) or manual chain grate (DZH).
3. Radiation zone design with water-tubes in the side walls.
4. Convection zone with two tube wings and spiral smoke tubes in the steam drum.
5. Symmetrical distribution of the upper drum, water walls, and headers, ensuring thermal stability.
6. High efficiency (up to 85%) and optimized heating surface layout.
7. Environmental protection measures available: baghouse dust collector, double-tower desulfurization, etc.
8. Easy operation, low maintenance costs, and long service life.
1. Electric hot water boiler with zero emissions and no combustion.
2. Completely silent operation without the need for a chimney or fuel tank.
3. High efficiency (99%): almost all electrical energy is converted into heat.
4. Precise temperature and pressure control via PID and touchscreen.
5. Vertical (LDR) or horizontal (WDR) design depending on available space.
6. Multiple protection levels: water shortage, overpressure, and short circuit.
7. Instant start and minimal maintenance (no burners or fuel system).
Small automatic biomass fired hot water heating boiler, burning wood/biomass pellet. Small size, fast heating and easy to use.
■ Founded in 1956, a premium supplier assessed, certified, and inspected by SGS Group. Leading industrial boiler manufacturer in China.
■ Holds international boiler certifications: CE, ASME, DOSH, EAC, GOST, ISO
■ Over 17 years of export experience, gold-level supplier, ensuring payment and delivery.
■ Professional team integrating R&D, production, sales, and service.
■ 53,053㎡ Factory area, supporting video/VR factory audits or third-party inspections.
■ Engineers serving over 50 countries.
■ Products sold to over 130 countries/regions, covering food, beverage, textiles, paper, wood industries. Serving over 100,000 customers.
Quality Assurance
Steel element test→Steel rust cleaning→Welding electrodes drying process→Automatic welding, argon arc welding, expansion welding etc. methods→NDT(Nondestructive Testing) including X-ray Test, Ultrasonic Test, Magnetic particle Test→Hydraulic pressure test.
Service
Pre-sale Service:
1. Design一We help customer to choose the best boiler model according to the different requirements of different industries.
2. Drawing and files一Supply quality certificates, factory-inspect, fuel consumption calculation, cost analysis, foundation drawings, layout drawings, boiler room drawings nased on your needs, etc.
3. Technical Solution一Design completed boiler solution with installation materials for your company.
4. Transportation一We have shipping partners and forwarder for lowest price and safe.
After-sale Service:
1. Provide a full range of boiler and original spare parts.
2. Overseas engineers installation and commissioning service is available.
3. Training in site, to ensure safe operation.
4. 24 hours online, quick respond.
5. Free maintenance and repair for one year and lifetime service.
Parameter
| Model |
Rated heating capacity (mw) |
Rated working pressure (Mpa) |
Output water temperature (℃) |
Return water temperature (℃) |
Fuel consumption | |
| Light diesel oil(kg/h) | Natural gas(Nm3/h) | |||||
| WNS 0.35 | 0.35mw | Atmospheric pressure/0.7/1.0/1.25/1.6 | 85~130 ℃ | 70/60 ℃ | 31.6 | 36.6 |
| WNS 0.7 | 0.7mw | Atmospheric pressure/0.7/1.0/1.25/1.6 | 85~130 ℃ | 70/60 ℃ | 60.4 | 69.3 |
| WNS 1.4 | 1.4mw | Atmospheric pressure/0.7/1.0/1.25/1.6 | 85~130 ℃ | 70/60 ℃ | 122.8 | 146.1 |
| WNS 2.1 | 2.1mw | Atmospheric pressure/0.7/1.0/1.25/1.6 | 85~130 ℃ | 70/60 ℃ | 192.3 | 227.1 |
| WNS 2.8 | 2.8mw | Atmospheric pressure/0.7/1.0/1.25/1.6 | 85~130 ℃ | 70/60 ℃ | 246.1 | 286.5 |
| WNS 4.2 | 4.2mw | Atmospheric pressure/0.7/1.0/1.25/1.6 | 85~130 ℃ | 70/60 ℃ | 367.1 | 412.6 |
| WNS 5.6 | 5.6mw | Atmospheric pressure/0.7/1.0/1.25/1.6 | 85~130 ℃ | 70/60 ℃ | 490.2 | 543.7 |
| WNS 7.0 | 7.0mw | Atmospheric pressure/0.7/1.0/1.25/1.6 | 85~130 ℃ | 70/60 ℃ | 593.6 | 660.7 |
| WNS 10.5 | 10.5mw | Atmospheric pressure/0.7/1.0/1.25/1.6 | 85~130 ℃ | 70/60 ℃ | 936.5 | 998.8 |
| WNS 14 | 14mw | Atmospheric pressure/0.7/1.0/1.25/1.6 | 85~130 ℃ | 70/60 ℃ | 1200.8 | 1330.7 |
| Note: for place limited, we didn't list all models, if you need other capacity, pressure, fuel, please send us inquiry directly, we will send you detailed parameter. | ||||||
| Model |
Rated thermal power (MW) |
Rated working pressure (Mpa) |
Rated output water temperature (℃) |
Rated return water temperature (℃) |
Thermal efficiency (%) |
Fuel consumption (Kg/h) |
| DZL 0.7-0.7/1.0-AII | 0.7 | 0.7/1.0 (7-10 in bar) | 95/115 | 70 | ＞84 | 150 |
| DZL 1.4-0.7/1.0-AII | 1.4 | 0.7/1.0 (7-10 in bar) | 95/115 | 70 | ＞84 | 302 |
| DZL 2.8-0.7/1.0-AII | 2.8 | 0.7/1.0 (7-10 in bar) | 95/115 | 70 | ＞84 | 596 |
| DZL 4.2-0.7/1.0-AII | 4.2 | 0.7/1.0 (7-10 in bar) | 95/115 | 70 | ＞84 | 880 |
| DZL 5.6-0.7/1.0-AII | 5.6 | 0.7/1.0 (7-10 in bar) | 95/115 | 70 | ＞84 | 1160 |
| DZL 7-0.7/1.0-AII | 7.0 | 0.7/1.0 (7-10 in bar) | 95/115 | 70 | ＞84 | 1380 |
| DZL 10.5-0.7/1.0-AII | 10.5 | 0.7/1.0 (7-10 in bar) | 95/115 | 70 | ＞84 | 2030 |
| DZL 14-0.7/1.0-AII | 14 | 0.7/1.0 (7-10 in bar) | 95/115 | 70 | ＞84 | 2700 |
| Note: Standard boiler parameter is for your reference, should follow the actual technical data according customer needs & engineer design. | ||||||
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