摘要:
A gasification melting facility (1) comprises: a fluidized bed gasification furnace (2) that generates pyrolysis gas by thermally decomposing waste and discharges incombustibles; a melting furnace (4) into which the pyrolysis gas is fed; a pyrolysis gas passage (3) that connects the fluidized bed gasification furnace (2) and the melting furnace (4); a grinder (12) that grinds the incombustibles discharged from the fluidized bed gasification furnace (2) by passing the incombustibles through a plurality of rods; a vibratory sifter (13) that screens the incombustibles ground in the grinder (12); a fixed amount feeder (14) that feeds at a fixed amount the incombustibles that pass through the vibratory sifter (13), the fixed amount feeder (14) including a plurality of transfer chambers rotatable between a position to receive the incombustibles from the vibratory sifter (13) and a position to discharge the incombustibles; and an airflow conveyor (30) that conveys the fixed amount of the incombustibles from the fixed amount feeder (14) together with airflow.
摘要:
A stoker-type incinerator includes: a recirculated exhaust gas supply unit which allows exhaust gas resulting from treating combustion gas to reflux to a combustion gas channel (15) via a recirculated exhaust gas nozzle (36) provided on the combustion gas channel (15) and supplies the exhaust gas as recirculated exhaust gas (S3); and a secondary combustion air supply unit which supplies secondary combustion air (S2) on a downstream side of the recirculated exhaust gas nozzle (36) on the combustion gas channel (15) via a secondary combustion air nozzle (31) provided on the combustion gas channel (15), in which the recirculated exhaust gas nozzle (36) and the secondary combustion air nozzle (31) are arranged in different positions in a plan view.
摘要:
The present invention includes: an outer casing (15) that is formed in a bottomed tube shape, has a cooling water supply port (23) through which cooling water (W) is introduced, and a cooling water discharge port (22) through which cooling water (W) is discharged formed at a rear end (15b) in the direction of an axis (O1), and is inserted into a high-temperature furnace; an inner casing (16) which is formed in a bottomed tube shape and inserted into and disposed in the outer casing (15), and into which cooling air (S) is supplied; an imaging unit (19) that is disposed in the inner casing (16) and captures an image of the exterior of the outer casing (15); and partition members (20 and 21) that are between an inner surface of the outer casing (15) and an outer surface of the inner casing (16) and define a first flow channel (R1) for leading the cooling water (W) toward a front end (15a) in the direction of the axis line (O1) between the inner surface of the outer casing (15) and the partition members, a second flow channel (R2) for leading the cooling water (W) toward the rear end (15b), and a communicating channel (R3) for communicating the first flow channel (R1) and the second flow channel (R2) between the bottom of the outer casing (15) and the partition members.
摘要:
This gasification melting facility (1) includes: a fluidized bed gasification furnace (2) that generates pyrolysis gas (52) by thermally decomposing waste (51) and discharges incombustibles; a vertical cyclone melting furnace (15) that includes a pyrolysis gas duct (21) through which the pyrolysis gas is introduced; a pyrolysis gas passage (3) that connects the fluidized bed gasification furnace (2) with the pyrolysis gas duct (21) of the vertical cyclone melting furnace (15); pulverizer (14) that pulverize the incombustibles into pulverized incombustibles so that the particle size of the incombustibles becomes fine; and airflow transporter (30) that puts the pulverized incombustibles in the pyrolysis gas passage (3), and separating metal contained in the pulverized incombustibles by a difference in specific gravity while conveying the pulverized incombustibles together with airflow. The pyrolysis gas and the pulverized incombustibles are melted in the vertical cyclone melting furnace (15).
摘要:
A garbage supply device (1), which supplies waste to a gasification furnace (6) that gasifies waste, includes a casing (19), two feed screws (15) provided in the casing, and a middle shaft (16) that is provided between the two supply screws, has a plurality of protrusions (24), and is repeatedly rotated forward or backward.
摘要:
A waste material supply device (3) includes a hopper (2) into which a waste material is supplied, a first rubbish supply apparatus (5) having an inlet connected to an outlet of the hopper and a pusher configured to push out the waste material in a horizontal direction, a connecting chute (12) having an upper portion connected to an outlet of the first rubbish supply apparatus to form a space extending upward and downward, and a second rubbish supply apparatus (6) having an inlet connected to a lower portion of the connecting chute and a screw configured to convey the waste material in an axial direction according to rotation about an axis thereof, wherein the first rubbish supply apparatus has a plurality of pushers in a widthwise direction, and each of the pushers is able to be individually manipulated.
摘要:
This method for inhibiting the occurrence of a pyrolysis deposit in a pyrolysis gasification system includes: gasifying biomass (S2) through pyrolysis in a pyrolysis gasification furnace (5); separating, in a solid-gas separation unit (7), a pyrolysis gas (G1) and a carbide (C) continuously formed through pyrolysis of the biomass (S2); feeding an oxygen-containing gas (G3) to the separated pyrolysis gas (G1); and introducing the pyrolysis gas (G1) together with the oxygen-containing gas (G3) to a combustion furnace (6) through a pipe (9) which constitutes a pyrolysis gas line (8).
摘要:
The melting equipment has a melting furnace that combusts and melts ash, a secondary combustion chamber disposed above the melting furnace, a slag extraction chute that guides slag generated in the melting furnace downward, a bypass channel (20) that connects the slag extraction chute and the secondary combustion chamber, an ejector (22) that is provided between the bypass channel (20), has a contraction portion (23) at which the channel cross sections are narrowed, and suctions the combustion exhaust gas (G) into the bypass channel (20), and an adhesion-prevention unit (31) (41) that prevent an incorporated substance that incorporates into the combustion exhaust gas (G) from attaching to the inner wall surface (21a) of the ejector (22).