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| Categories | Coal Fired Steam Boiler | 
|---|---|
| Brand Name: | YONGXING | 
| Model Number: | DZL/DZH | 
| Certification: | CE/ISO/ASME | 
| Place of Origin: | CHINA | 
| MOQ: | 1ste | 
| Price: | usd | 
| Payment Terms: | L/C, T/T, Western Union | 
| Supply Ability: | 1-1000 set | 
| Delivery Time: | 20 days | 
| Packaging Details: | nude packing/wooden packing | 
| Fuel: | Coal-fired,biomass,straw,husk | 
| Type: | Natural Circulation | 
| Pressure: | High Pressure | 
| Dimension(l*w*h): | Customization | 
| Thermal efficiency: | >=80% | 
| Material: | Q345R Steel Plate | 
| Weight: | depends on capacity | 
| Structure: | Fire Tube | 
| Company Info. | 
| Yong Xing Boiler Group Co.,Ltd | 
| View Contact Details | 
| Product List | 
Superior quality coal fired boiler and coal steam boiler for
textile mill with high efficiency
The DZL series coal fired boiler is a single-cylinder vertical-type water-fired tube-shell boiler,
and the combustion equipment is a chain grate. The water-cooling
wall on the left and right sides of the furnace is the radiant
heating surface, the two wings of the furnace are convective
heating surfaces, the convection heating surface of the threaded
tobacco pipe is arranged in the drum, and the front and rear arches
are made of heat-resistant concrete integrally cast enamel. The
outside of the boiler main body is three-dimensional. Shield
housing.
The main production of the coal fired boiler is strictly in accordance with the requirements of the “Boiler and
Pressure Vessel Safety Supervision Regulations” and the “Steam
Boiler Safety Technical Supervision Regulations”, and the quality
is reliable. The boiler's water supply system can be automatically
controlled, and the wind speed adjustment enables remote control.
In addition, the boiler has high temperature, high pressure, over
water level alarm and protection functions, and the safety
performance is extremely high.
Coal fired boiler structure features:
1. Adopt high-efficiency heat transfer element--threaded pipe to
match reasonable flue gas flow rate to avoid dust accumulation, and
the boiler has high combustion efficiency.
2. The arched tube plate makes the boiler shell become
quasi-elastic, matching the flue of reasonable structure, avoiding
the disadvantages of the tube cracking of the tube under high
temperature conditions.
3. There is no flame radiation at the bottom of the boiler casing,
which reduces the risk of damage to the bottom of the coal fired boiler.
4. The coal fired boiler has designed a reasonable water circulation loop and installed a
unique water return device to improve the quality of the water wall
tube.
5. The coal fired boiler adopts advanced soot separation technology to match the high
efficiency multi-tube dust collector, which reduces the
concentration of harmful emissions.
6. The coal fired boiler adopts energy-saving furnace arch, which has strong adaptability
to ensure stable and full combustion of fuel.
7. The coal fired boiler is equipped with high-standard, high-quality auxiliary machinery
and fully automatic control equipment to ensure safe and stable
operation of the boiler and reduce the labor intensity of the
operators.
8. The coal fired boiler has a compact structure and a small floor space. The construction
and maintenance costs of the boiler house are very low.

DZL travelling grate boiler technical data sheet
| DZL Coal Steam Boiler Technical Parameters | |||||
| Paraments | DZL1-A II | DZL2-A II | DZL 4-A II | DZL8-A II | |
| Rated evaporation capacity (T) | 1 | 2 | 4 | 8 | |
| Rated working pressure (MPa) | 0.7/1.0/1.25 | 0.7/1.0/1.25 | 1.25/1.6 | 1.25/1.6 | |
| Rated steam temperature (℃) | 170/184/194 | 170/184/194 | 194/204 | 194/204 | |
| Water-supply temperature(℃) | 20 | 20 | 20 | 20 | |
| Boiler heating area (㎡) | 57.47 | 89.4 | 124.9 | 432.22 | |
| Grate area (㎡) | 2.7 | 3.45 | 5.9 | 10.81 | |
| Exhaust flue gas temperature (℃) | 120.7 | 157 | 167 | 163.41 | |
| Thermal Efficiency (%) | 80.42 | 78.4 | 79.7 | 79.36 | |
| Size (m) | 5.27*2.5*3.15 | 5.4*2.4*3.48 | 6.18*2.95*3.35 | 9.05*3.2*4.3 | |
| Consumption (kg/h) | 155 | 306 | 611 | 1153 | |
| Induced Draft Fan | Model | Y9-19-6.3C | GY2-15 | Y6-41-7.1C | Y9-26-10D | 
| Power(KW) | 5.5 | 11 | 18.5 | 45 | |
| Forced Draft Fan | Model | 4-72-3.3A | GG1-15 | G6-41-6.4A | 4-72-5A | 
| Power(KW) | 2.2 | 3 | 5.5 | 15 | |
| Water Pump | Model | 1W2.4-10.5 | 11/2GC-5*7 | 11/2GC-5*7 | 2GC-5*6 | 
| Power(KW) | 3 | 7.5 | 7.5 | 18.5 | |
| Grate Governor Box | Model | WT-4 | WT-5 | WT-6 | WT-10 | 
| Power(KW) | 0.55 | 0.55 | 0.55 | 1.1 | |
| Slag Remover | Model | GBC-1 | GBC-2 | GBC-4 | GBC-8 | 
| Power(KW) | 1.1 | 1.1 | 1.1 | 1.5 | |
| Coal Conveyor | Model | FS-1 | FS-2 | FS-4 | FS-8 | 
| Power(KW) | 1.1 | 1.1 | 1.1 | 1.5 | |

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