... . 70% lower cost than the electric furnace 3. 30% lower cost than coal stove Gas Producer ... gasifier shch as: QM0.8, QM1.0, QM1.3, QM1.5, QM1.8, QM2.0, QM2.2, QM2.4, QM2 ... .6, QM3.0, QM3.2, QM3.4 ... single stage coal gasifier and CG3Q2.0-1, CG3Q2.6-1, CG3Q3.0-1, CG3Q3.2-1, CG3Q3. ... 65Ashpan rotational speed(r/h)0.177-1.77 Equipment gross weight(t)3.54.557.5102023.429. ...