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heating furnace fuel in metallurgy, construction materials, glass industry; raw materials and fuel in chemical industry. - details see: https://www.machineto.com/two-stage-coal-gasifier-coal-gas-producer-coal-gasification-gas-generation-equipment-10221352

Two-stage Coal Gasifier_Coal gas producer_coal gasification_Coal gas equipment_gas generation equipment

Principles of coal gasification:

Coal gasification is the formation of water vapor and air mixture flowing through the high-temperature gasification agent produce a series of fixed-bed combustion of a chemical reaction process. The oxygen and steam in gasifying agent and fuel in the carbon reaction generated containing CO, CO2, H2, CH4, C2H4, N2 and many other components of the furnace gas. CO, H2, CH4, CmHn is combustible gases.

Introduction of two-stage coal gasifier:

Two-stage coal gasifier produces gas by burning coal.

It has two gas outlets, the upper gas outlet and lower gas outlet, upper gas contains tar, which can be disposed by electric oil remover and recycled, lower gas contains no tar, dust of which can be cleaned by cyclone dust collector.

All the gas produced are cooled indirectly and the waste water is condensed liquid sewage, which reduces the disposing amount of waste water containing oil and phenol.

Waste water and tar are stored in steel containers to prevent harmful substances from evaporating or leaking.

Waste water can be disposed by combustion.

The coal gasifier reduces cost and increases profit as a result of energy-saving, because of burning gas, it is able to comply with the environment protection standard.

Applications of two stage coal gasifier:

heating furnace fuel in metallurgy, construction materials, glass industry; raw materials and fuel in chemical industry.

Main types and technological specification of two-stage coal gasifier:

name		unit	specification
			Φ2.0	Φ2.4		Φ2.6		Φ3.0	Φ3.2
Chamber diameter		mm	2000	2400		2600		3000	3200
applicable fuel			Non-caking or weak-caking anthracite, biruminous coal, coke, coal property should be coincident with the requiirement of GB9143
Fuel size		mm	25—50
Coal consumption		Kg/h	800~1000	1200~1500		1300~1800		1800~2100	2200~2500
Gas agent			Air, steam
Gas output		Nm3/h	2500~3000	3600~4500		4000~5500		6000~7000	7000~8000
Tar		Mg/m3	≤100
Net heating value		kJ/Nm3	≥5800
Gas temperature	distillation stage	°C	80~120
	gasifying stage	°C	400~600
Gas pressure	distillation stage	Pa	1000~1500
	gasifying stage	Pa	1470~1960
Blast pressure		Pa	≤6000
steam products		Kg/h	300		450	500	550			550
Inner steam pressure			0.07		0.07	0.07	0.07			0.07
Saturated temperature		°C	50~65
Feeding coal mode			Automatic
Coal feeding system			Hydraulic driving
Hydraulic station power		Kw	7.5×2		11×2	11×2	11×2			11×2
Ash tray speed		r/h	2.97		1.7	1.5	1.5			1.5
Equipment weight		t	70		85	95	110			130
Oweral dimensions	H1	m	5.5		5.5	5.5	5.5			5.5
	H2	m	10		10	10	11.5			11.5
	H3	m	13.5		13.7	13.7	15.2			15.5
applicable gas station			cool gas station, hot gas station

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