Tar cracking device and method
A technology of tar cracking and tar, which is applied in the direction of only multi-stage series cracking process treatment, petroleum industry, hydrocarbon oil treatment, etc., can solve the problems of affecting tar cracking efficiency, low degree of tar cracking, pipeline blockage, etc., and achieves improvement The effect of tar cracking efficiency, improving work efficiency and avoiding pipeline blockage
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[0101] Tar-containing gas (tar content 550mg / Nm 3 ) enters the tar catalytic cracking device through the crude gas inlet 300, steam enters through the steam inlet 400, and the tar-containing gas and steam are mixed by the air distribution plate 600 and then uniformly enter the catalytic unit; the tar-containing gas passes through the thermal cracking chamber at 900 degrees Celsius and the 850 Celsius catalytic cracking chamber to achieve alternate cracking.
[0102] Among them, the catalyst is a spherical catalyst with a particle size of 2 mm, and the main component is Ni / Al 2 o 3 (Ni loading is 7.5 quality %), and catalyst layer pore diameter is 1mm; Through the cleavage product of alternate cracking (tar content 8mg / Nm 3 ) is discharged from the pyrolysis product outlet 500; the catalyst 210 in the catalytic cracking chamber 200 is sent into the catalyst activation pipeline 2000 via the catalyst transport assembly 2300, and the flue gas (1100° C.) is blown into the catalys...
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