Double Drums Chain Grate Steam Tube Boiler 3 Pass Water Tube Boiler
EPCB Double Drums Chain Grate Water Tube Coal Fired Steam Boiler
Capacity: 1~20T/h
Pressure: 1.0 ~ 2.5 MPa
Fuel: Bituminous Coal, Soft Coal, Anthracite, Lignite, Poor Coal, etc.
Application: Textile Mill, Food Processing Plant, Chemical Plant, Pharmaceutical Factory, Printing and Dyeing Plant, Paper Mill, Oil Processing Plant, Power Plant...
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Membrane water wall is adopted to ensure good tightness of the furnace, improve combustion conditions in the furnace, avoid slagging and less air leakage, reduce heat loss of flue gas, improve thermal efficiency of the boiler, and increase the effective radiation heating area.
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Adopt movable chain grate. According to different fuel characteristics of users, appropriate grate pieces are selected, such as small scale grate, reciprocating grate, etc. The grate has small gap, low coal leakage and high temperature resistance up to 1200℃.
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Adopt the mechanical lifting type or belt conveyor type coal feeder, which saves time and labor in coal feeding, and equipped with spiral or scraper type slag remover, automatically conveys ash to the preset position, more convenient to handle, save more manpower costs.
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The boiler is equipped with full automatic PLC liquid crystal display touch screen electronic control system, with multiple interlocking protection program, which can digitally monitor the operation of the boiler and accurately feedback various data of the boiler.
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The valves and instruments for the boiler system are well-known brands in the world or in China. They have superior performance, high precision and long service life, help users monitor the various indicators of the boiler better and ensure that the boiler operates in a safe state.
Find the capacity of the coal fired steam boiler you want and check other parameters of the boiler as a reference.
| Item/Type | Double Drums Chain Grate Coal Fired Steam Boiler | ||||||||
| Rated capacity t/h | 4 | 6 | 8 | 10 | 12 | 15 | 20 | 25 | |
| Rated steam pressure MPa | 1.25/1.6/2.5 | ||||||||
| Rated steam temperature ℃ | 194/204/226 | ||||||||
| Feed water temperature ℃ | 20 | 20 | 60 | 60 | 60 | 104 | 104 | 104 | |
| Thermal efficiency % | 81.54 | 81.6 | 81.8 | 82.2 | 82.5 | 82.5 | 82.8 | 83.7 | |
| Heating surface m2 | Boiler body | 99.68 | 155.5 | 181.63 | 233.6 | 298 | 316.7 | 456 | 625.3 |
| Economizer | 69.76 | 140.6 | 183.1 | 209.3 | 209.3 | 225 | 242.4 | 267.8 | |
| Fuel & consumption | Fuel type | Class II Soft Coal, Biomass, Wood Chips, Wood Pellets, Rice Husk, Palm Kernel Shell, etc. |
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| Coal kg/h | 454.99 | 681.98 | 907.08 | 1128.34 | 1349.08 | 1686.35 | 2240.32 | 2770.29 | |
| Biomass kg/h | 657.55 | 985.61 | 1310.93 | 1630.69 | 1949.71 | 2437.14 | 3237.74 | 4003.66 | |
| Size of boiler largest parts mm | Length | 7500 | 6800 | 6900 | 7900 | 8100 | 9300 | 11500 | 11500 |
| Width | 2800 | 3200 | 3100 | 3400 | 3100 | 3300 | 3300 | 3300 | |
| Height | 3500 | 3500 | 3500 | 3500 | 3500 | 3500 | 3500 | 3500 | |
| Weight of largest parts of boiler ton |
30 | 40 | 55 | 45/30 | 50/30 | 52/31 | 55/34 | 56/37 | |
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