Fire Tube Steam Boiler for Industries

Fire Tube Steam Boiler for Industries, Find Details and Price about Steam Boiler Coal Fired from Fire Tube Steam Boiler for Industries.

Description

DZL series coal fired boiler is single drum water-fire tube boiler, chain grate type. Water wall tubes at left and right sides of furnace are the radiated heating area. it has two wings at furnace and screw fire tube in the drum are convection heating area. The upper drum, water wall tube and its heads are in symmetrical arrangement mode. This why furnace structure is in reasonable arrangement and high efficiency. This series boiler adopts several environmental protect measures (bag dust collector, double towers desulfurization, etc.) to meet the national emission requirement.This boiler uses the new scientific achievement, such as arch tube plate and corrugated tube, to solve the problem of tube plate flaw and water wall tube explosion, improve the heat transfer efficiency and thermal efficiency, increase the output. The boiler is wide adoptability of different fuels, such as coal, biomass fuel, wood, straw, bagasse, rice husk, coconut shell, etc.

DZL Coal Fired Steam Boiler 

Boiler Model DZL2-0.7/1.25/1.6-AII DZL4-1.25/1.6/2.5-AII DZL6-1.25/1.6/2.5-AII DZL8-1.25/1.6/2.5-AII DZL10-1.25/
1.6/2.5-AII
DZL20-1.25/
1.6/2.5-AII.
Rated Evaporation Capacity t/h 2 4 6 8 10 20
Operation Pressure Mpa 1.25/1.6 1.25/1.6/2.5 1.25/1.6/2.5 1.25/1.6/2.5 1.25/1.6/2.5 1.25/1.6/2.5
Steam Temperature ºC 170/194/204 194/204/226 194/204/226 194/204/226 194/204/226 194/204/226
Water-inlet Temperature ºC 20 20 20 105 105 105
Boiler Heating Efficiency % ≥78 ≥78 ≥80 ≥80 ≥80 ≥82
Area of Stoker m2 3.2 5.14 7.4 9.6 11.4 23.15
 Coal Available II type bitumite, low heat capability:17700-21000KJ/kg
Water Pump Model 1½GC5×7 1½GC5×7 2GC-5×6 2½GC6×6 DG12-25×7 DG25-35×5
Motor Power KW 5.5/7.5/11 7.5/11/18.5 15/18.5 15/18.5 18.5/22 30/37
Blast Fan Model G6-41-13
NO5.4A
G6-41-13
NO6.4A
G6-41-13
NO7.1A
G6-41-13
NO8.5A
G6-41-13
NO8.5A
TG20-1
Ventilation m³/h 4358-2310 7358-3596 10354-5394 18137-9369 18137-9367 32079
Wind Pressure Pa 994-1254 1181-1436 1697-2270 2535-3391 2535-3391 2559
Motor Power KW 3 5.5 7.5 18.5 18.5 37
Induced Draft Fan Model Y6-41-13
NO5.4C
Y6-41-13
NO7.1C
1Y6-41-13
NO10C
Y6-41-13
NO11.2D
Y6-41-13
NO11.2D
GY20-15
Ventilation m3/h 8901-4350 15219-8171 32144-16607 41773-21578 41773-21578 73308
 Wind Pressure Pa 2568-3240 2454-3283 2574-3444 2764-3697 2764-3697 3515
Motor Power KW 11 22 37 45 55 110
Dimensions of Biggest Parts for Shipment M 5.82×2.1×3.2 6.5×2.66×3.52 6.7×3×3.54 8.0×3.2×3.58 8.45×3.2×3.58 10×4.8×3.55
Weight of Biggest Parts for Shipment T 18/19/20 27/29/31 32/33/34 42/43/44 45/47/49 30/31/32

Remark: This parameter is just for reference, for exact parameter, subject to our drawings.

Technical advantages
1.Wing flue can cool down smoke in high temperature tube sheet, avoid subcooled boiling,  reduce boiler bottom heat load, avoid tube sheet crack, avoid drum deformation.
2.Arch tube plate can Improve tube sheet flexibility, reduce welding seam thermal stress.  remove brace and avoid tube sheet crack.
3.Thread tube can enhance heat transfer,reduce drum size,improve flexibility, reduce welding seam thermal stress.

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