Coal flash pyrolysis system and method
A fast, pyrolysis technology, applied in the chemical industry, can solve problems such as inability to run for a long time, complex process flow, high failure rate, etc., and achieve the effects of improving fast pyrolysis efficiency, simplifying process flow, and increasing tar yield
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Embodiment 1
[0162] This embodiment 1 adopts Figure 1-6 The rapid coal pyrolysis system of , wherein, 30 layers of regenerative radiant tubes 15 are distributed at intervals along the height direction of the reactor body 10 in the pyrolysis zone 13, and adjacent regenerative radiant tubes are arranged along the horizontal and reactor body heights The two directions are spaced at the same interval and distributed in parallel. The regenerative radiant tube adopts a circular tube with a diameter of 100mm. The distance between the outer walls of adjacent radiant tubes in the horizontal direction is 100mm, and the outer wall distance between adjacent radiant tubes in the upper and lower layers is 200mm.
[0163] The rapid pyrolysis reaction system of the present invention is used to process lignite, and the particle size is below 1mm. The lignite analysis data, process operation parameters and material balance are shown in Table 1-3, and the rapid pyrolysis time is 30s. It can be seen from Ta...
Embodiment 2
[0173] This embodiment 1 adopts Figure 1-6 The rapid coal pyrolysis system of , wherein, 6 layers of regenerative radiant tubes 15 are distributed at intervals along the height direction of the reactor body 10 in the pyrolysis zone 13, and adjacent regenerative radiant tubes are arranged along the horizontal and reactor body heights The two directions are spaced at the same interval and distributed in parallel. The regenerative radiant tube adopts a circular tube with a diameter of 500mm. The distance between the outer walls of adjacent radiant tubes in the horizontal direction is 500mm, and the outer wall distance between adjacent radiant tubes in the upper and lower layers is 500mm.
[0174] The rapid pyrolysis reaction system of the present invention is used to process lignite, and the particle size is in the range of 1-3mm. The lignite analysis data, process operation parameters and material balance are shown in Table 4-6, and the rapid pyrolysis time is 2s. It can be se...
Embodiment 3
[0184] This embodiment 1 adopts Figure 1-6 The rapid coal pyrolysis system of , wherein, 15 layers of regenerative radiant tubes 15 are distributed at intervals along the height direction of the reactor body 10 in the pyrolysis zone 13, and adjacent regenerative radiant tubes are arranged along the horizontal and reactor body heights The two directions are spaced at the same interval and distributed in parallel. The regenerative radiant tube adopts a circular tube with a diameter of 300mm. The distance between the outer walls of adjacent radiant tubes in each layer is 200mm horizontally, and the outer wall distance between adjacent radiant tubes in the upper and lower layers is 300mm.
[0185] Utilize fast pyrolysis reaction system of the present invention to process lignite, particle diameter is in the scope of 1-3mm, and its lignite analysis data is identical with embodiment 2, process operation parameter and material balance are shown in Table 7-8, fast pyrolysis time 2.9 ...
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