NOVELTY - A multiple gas-guide pipe separator of biomass gasification furnace, comprises a shell (1), a cold-water pipe (3) and hot-water pipe (2) connected to the shell in a welding manner, a lower box shell A (5), an upper box shell A (8), a lower box shell B (10), an upper box shell B (12), and a trap (15); where the gas inlet pipe (4) of the water inlet pipe (16) with valve and wall of the lower box shell A are welded to the separator; the lower box shell B is connected to one end of the gas-guide pipe C (11) in a welding manner; and the upper box shell B is connected to the gas outlet pipe (13).    USE - The multiple gas-guide pipe separator is useful for biomass gasification furnace (claimed).    ADVANTAGE - The multiple gas-guide pipe separator has simple and compact structure, is convenient to manufacture and install, and has good separation and flushing effect of the fuel gas, moisture, and tar.    DETAILED DESCRIPTION - A multiple gas-guide pipe separator of biomass gasification furnace, comprises a shell (1), a cold-water pipe (3) and hot-water pipe (2) connected to the shell in a welding manner, a lower box shell A (5), an upper box shell A (8), a lower box shell B (10), an upper box shell B (12), and a trap (15); where the gas inlet pipe (4) of the water inlet pipe (16) with valve and wall of the lower box shell A are welded to the separator; the wall of the lower box shell A is connected to one end of more than two gas-guide pipes A (7) in a welding manner; the lower shell wall is connected to one end of the drain pipe A (6) in a welding manner; the other end of the drain pipe A is connected to the trap in a welding manner; the other end of the gas-guide pipe A is connected to the upper box shell A in a welding manner; the upper box shell A is connected to one end of the gas-guide pipe B (9) in a welding manner; the other end of the gas-guide pipe is connected to wall of the lower box shell B in a welding manner; the lower box shell B is connected to one end of the gas-guide pipe C (11) in a welding manner; the lower shell wall is connected to one end of the drain pipe B (14) in a welding manner; the other end of the drain pipe B is connected to wall of the trap in a welding manner; the other end of the gas-guide pipe C is connected to the upper box shell B in a welding manner; and the upper box shell B is connected to the gas outlet pipe (13) in a welding manner.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the multiple gas-guide pipe separator of biomass gasification furnace.    Shell (1)    Hot-water pipe (2)    Cold-water pipe (3)    Gas inlet pipe (4)    Lower box shell A (5)    Drain pipe A (6)    Gas-guide pipes A (7)    Upper box shell A (8)    Gas-guide pipe B (9)    Lower box shell B (10)    Gas-guide pipe C (11)    Upper box shell B (12)    Gas outlet pipe (13)    Drain pipe B (14)    Trap (15)    Water inlet pipe (16)