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coal fired boiler, >ASME/ISO coal boiler, >A grade boiler plant, >>High efficiency steam boiler, >CE,SGS,ISO9001 - details see: https://www.machineto.com/water-tube-coal-fired-boiler-large-water-turbine-generator-steam-boiler-10211925

Automatic coal fired water tube boiler /large water turbine generator steam boiler manufacturer

Feature of coal fired boiler

1.The boiler has two parts,the boielr body and the accessories which included coal scuttle.the chain grate stoker,base steel and furnace wall.The boilers are assembled except midfeather when it leaves factory with economizer and duct furnace.

2.The fire grate of the boiler is light-weight moving chain grate.There are six independent air compartments under the fire grate and air registers placed at the both side of air compartments.Air can come into the air duct by the blower in the base,then into the independent wind room.

3.Upper furnace walls were assembled by the factory,the lower the furnace wall composed of clay brick and insulation material composition.The coal will pass by the coal gate to burn in the furnace from coal feeder.And the coal slag will be exhausted by the slag remover.

4.There is an electric control cabinet equipped with the boiler.The cabinet includes indicator of the Thermal Parameters,induced and forced draft fan, control buttons of the electric actuators,and over-temperature alarm device of the auto water feeder.

CAD drawing

Parameters of coal fired boiler

Name			DZL4-1.25-AII	SZL6-1.25-AII	SZL8-1.25-AII	SZL10-1.25-AII	SZL15-1.25-AII
			DZL4-1.6-AII	SZL6-1.6-AII	SZL8-1.6-AII	SZL10-1.6-AII	SZL15-1.6-AII	SZL20-1.6-AII
			DZL1-2.5-AII	SZL6-2.5-AII	SZL8-2.5-AII	SZL10-2.5-AII	SZL15-2.5-AII	SZL20-2.5-AII
Rated evaporation capacity(t/h)			4	6	8	10	15	20
Pressure (Mp)			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	1.25/1.6/2.5
Rated Steam temperature (°C)			194/204/225	194/204/225	194/204/225	194/204/225	194/204/225	204/225
Temperature (°C)			20	20	20	20	20	20
Heating area	Body(m2)		99.5	134	210	233.6	310.5	478
	Economizer(m2)		38	60	109	130	174	257
Effective area of great(m2)			5.3	7.8	10.2	12	18	23
Coal type			AII	AII	AII	AII	AII	AII
Fuel consumption(Kg/h)			591	884	1150	1443	2157	2866
Thermal efficiency(%)			81	81	81	81	82	82
Weight of bigest part for transporation(T)			32	21	26	28	30	35

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