Chain grate boiler | Automatic coal boiler | Coal steam/hot water boiler
DZL SZL coal boiler, also named chain grate boiler, automatic coal boiler, that provide steam or hot water for production. Low emission and excellent operating performance.
| Capacity: | 500kg-50000kg, 0.5ton-50ton, 0.35mw-28mw, 350kw-28000kw |
| Work Pressure: | 3-25bar, 0.3-2.5Mpa |
| Heat Temperature: | 0-450℃ |
| Output: | Steam, Hot Water |
| Application: | For heating/drying/turbine drive, in food, beverage, paper, textile, feed mill, pharm, package, chemical, building materials, building heating etc |
Introduction
Yuanda Boiler, Over 70 Years in Boiler Design, Manufacturing, Installation, and Turn-key Boiler System Solutions.
As a leading manufacturer and supplier of coal boiler, we provide complete boiler systems & auxiliaries for industrial processing.
Our Coal Boiler Include: Chain Grate Boiler, Water Tube Coal Boiler, Fire Tube Coal Boiler, Circulating Fluized Bed Boiler, Vertical Small Coal Boiler.
DZL SZL series coal boiler also known as chain grate boiler, traveling grate boiler. Serving factory production, central heating or power generation.
We customize the furnace chamber, fuel feeding, combustion, ash handling, water treatment, flu gas treatment and complete boiler house based on your fuel type. No backfire, no slagging, less coal leakage, stable operation and high combustion efficiency.
"DZL" Coal Boiler
DZL coal boiler is horizontal single-drum boiler with moving grate(chain grate, reciprocating grate), three pass water-fire tubes structure.
Features:
1. Packaged design(The furnace and chain grate are packaged before delivery), less installation, easy to operate.
2. Spirally corrugated fire tubes, improves thermal efficiency, reduces flue gas temperature.
3. Wing-shape flue, allows smoke to enter the front smoke box smoothly, prevents tube sheet damage.
4. Hot water boilers adopts the unique backwater injection technology.
"SZL"Coal Boiler
Horizontal double-drum membrane water tube boiler with chain grate/reciprocating grate, strong fuel adaptability.
Features:
1. High combustion chamber, staged air distribution, and staged combustion technology ensure complete combustion.
2. Membrane water wall and water cooled arch improve thermal efficiency and reduce heat loss.
3. Whirlwind burning chamber structure.
4. Online soot blowing system keeps heating surfaces clean for long-term efficient operation.
5. Independent wind chamber.
6. Suitable for co-firing with biomass fuel.
Advantages
High Combustion Efficiency | No Slagging | High Thermal Efficiency | No Fuel Hopper Burning | Online Soot Blowing | Easy Maintenance | Short Installation | Low Emission
1. 3-pass wet back sructure, arched tube plate, to strengthen boiler efficiency;
2. New furnace arch with upside down "α" flue gas flow;
3. Equipped economizer/preheater/cyclon/wet scrubber, environmental protection and energy conservation;
4. Built-in steam separator, ensure high steam quality with wetness below 1%;
5. Five stages safety features like water level, pressure and temperature monitoring etc;
6. Equipped with multiple dust removal systems and access doors.;
7. Dust separation chamber, higher efficiency, reduce the original dust;
8. PLC control, interlock system for fuel feeding, water treatment, combustion furnace, fan.
Parameter
| Model |
Rated steam output (Ton/hr) |
Rated steam pressure (Mpa) |
Rated steam temperature (℃) |
Feed water temperature (℃) |
Thermal efficiency (%) |
Fuel consumption (Kg/h) |
| DZL 1-0.7/1.0/1.25/1.6-AII | 1 | 0.4 to 2.5 (4-25 in bar) | 130～226 | 20/105 | ＞84 | 140 |
| DZL 2-0.7/1.0/1.25/1.6-AII | 2 | 0.4 to 2.5 (4-25 in bar) | 130～226 | 20/105 | ＞84 | 280 |
| DZL 4-0.7/1.0/1.25/1.6-AII | 4 | 0.4 to 2.5 (4-25 in bar) | 130～226 | 20/105 | ＞84 | 570 |
| DZL 6-0.7/1.0/1.25/1.6-AII | 6 | 0.4 to 2.5 (4-25 in bar) | 130～226 | 20/105 | ＞84 | 810 |
| DZL 8-0.7/1.0/1.25/1.6-AII | 8 | 0.4 to 2.5 (4-25 in bar) | 130～226 | 20/105 | ＞84 | 1100 |
| DZL 10-0.7/1.0/1.25/1.6-AII | 10 | 0.4 to 2.5 (4-25 in bar) | 130～226 | 20/105 | ＞84 | 1380 |
| DZL 15-0.7/1.0/1.25/1.6-AII | 15 | 0.4 to 2.5 (4-25 in bar) | 130～226 | 20/105 | ＞84 | 2100 |
| DZL 20-0.7/1.0/1.25/1.6-AII | 20 | 0.4 to 2.5 (4-25 in bar) | 130～226 | 20/105 | ＞84 | 2600 |
| Note: Standard boiler parameter is for your reference, should follow the actual technical data according customer needs & engineer design. | ||||||
| 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. | ||||||
About Us
■ 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.
Our 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. Competitive Price一As one boiler factory, we have lowest price and high quality.
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.
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