NOVELTY - Plant gasification furnace comprises plant gasification furnace (11), purification furnace (3), and taper multi-pipe heating furnace (26) and cooker (34). The plant gasification furnace is cylindrical. Layer of refractory lining (13) is uniformly smeared inside the plant gasification furnace. Soot door (15) and ignition hole (16) are provided inside the lower part of the plant gasification furnace. A jolting plate (10) is inserted into the furnace from the center of the feed hole cover; and valve (6) is in the through-pipe between the purification furnace and the gas cooker.    USE - Plant gasification furnace.    ADVANTAGE - The gasification furnace is energy-saving, emission-reducing, environment-friendly, safe and reliable, and has long service life.    DETAILED DESCRIPTION - Plant gasification furnace comprises plant gasification furnace (11), purification furnace (3), taper multi-pipe heating furnace (26), gas cooker (8) and taper multi-pipe heating furnace gas cooker (34). The plant gasification furnace is cylindrical; layer of refractory lining (13) uniformly smeared inside of plant gasification furnace; heating water layer (14) in middle circumference; furnace grill (28) at bottom of plant gasification furnace; blower air inlet (29) under furnace grill at bottom of the plant gasification furnace; soot door (15) and ignition hole (16) inside of the lower part of the plant gasification furnace; bracket (30) at the bottom of the plant gasification furnace; and feed hole cover (1) in sealed connection with the furnace body at the top face of the plant gasification furnace. A jolting plate (10) is inserted into the furnace from the center of the feed hole cover; upper part of the plant gasification furnace connected with purification furnace via through-pipe (2); inside of the purification furnace divided with first purification room (20) and second purification room (22) at space ratio of 1:2 by purification furnace vertical clapboard (19); upper purification furnace clapboard (21) and inner wall of purification furnace fixed connection with 45 degrees angle in upper part of the second purification room; lower purification furnace clapboard (23) and purification furnace vertical clapboard fixed connection with 45 degrees angle in lower part of second purification room; exhaust opening (31) at bottom of purification furnace; upper part of second purification room connected with gas cooker via purification furnace air outlet pipe (5) and the through-pipe (7) between the purification furnace and the gas cooker; an exhaust pipe (4) in the purification furnace air outlet pipe; a valve (6) in the through-pipe between the purification furnace and the gas cooker; the upper part of the second purification room connected with taper multi-pipe heating furnace gas cooker (34) via the purification furnace air outlet pipe and the through-pipe (33) between purification furnace and taper multi-pipe heating furnace; valve (32) installed in through-pipe between purification furnace and taper multi-pipe heating furnace; taper multi-pipe heating furnace soot door (9) at the top part of the taper multi-pipe heating furnace (26); five heating holes (35) in middle part of the taper multi-pipe heating furnace; water inlet pipe (24) connected with plant gasification furnace heating water layer water outlet pipe (17) installed in the bottom part of the taper multi-pipe heating furnace water layer (27); and water outlet pipe (25) inside at top part of taper multi-pipe heating furnace water layer connected with the plant gasification furnace heating water layer water inlet pipe (18) via the heating unit.    DESCRIPTION OF DRAWING(S) - The drawing shows a cross-sectional plan view of the plant gasification furnace.    Feed hole cover (1)    Through-pipe (2, 7, 33)    Purification furnace (3)    Purification furnace air outlet pipe (5)    Valve (6, 32)    Gas cooker (8)    Taper multi-pipe heating furnace soot door (9)    Jolting plate (10)    Plant gasification furnace (11)    Refractory lining (13)    Heating water layer (14)    Soot door (15)    Ignition hole (16)    Water outlet pipe (17)    Water inlet pipe (18)    Purification furnace vertical clapboard (19)    First purification room (20)    Upper purification furnace clapboard (21)    Second purification room (22)    Lower purification furnace clapboard (23)    Water inlet pipe (24)    Water outlet pipe (25)    Taper multi-pipe heating furnace (26)    Taper multi-pipe heating furnace water layer (27)    Furnace grill (28)    Blower air inlet (29)    Bracket (30)    Exhaust opening (31)    Taper multi-pipe heating furnace gas cooker (34)    Heating holes (35)