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Two-stage Coal Gasifier

Two-stage Coal Gasifier

Two-stage coal gasifier produces gas by burning coal. It has two gas outlets, ie, 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 protecing standard. Now that the prices of energy increases and the environment protecing requirements are stricter, this kind of coal gasifier should be your best choice.

Servicable range:

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

Main types and technologic specification:

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 80~120
gasifying stage 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 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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