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Rapid biomass pyrogenation system and method

A biomass and fast technology, applied in the field of biomass rapid pyrolysis system, to achieve the effects of simplified process flow, uniform temperature, and rapid drying and pyrolysis

Active Publication Date: 2015-12-23
SHENWU TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Therefore, the existing biomass fast pyrolysis technology needs to be further studied

Method used

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  • Rapid biomass pyrogenation system and method
  • Rapid biomass pyrogenation system and method
  • Rapid biomass pyrogenation system and method

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Embodiment 1

[0165] This embodiment 1 adopts Figure 1-6 The rapid pyrolysis system of biomass, 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 the adjacent regenerative radiant tubes are along the horizontal and reactor body The heights are spaced at the same interval in both directions 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 distance between the outer walls of adjacent radiant tubes in the upper and lower layers is 100mm. Utilize the biomass rapid pyrolysis system of the present invention to process sawdust, the particle diameter is in the range below 3mm, sawdust analysis data, process operation parameters and material balance are shown in Table 1-3, and the fast pyrolysis time is 10s, as can be seen f...

Embodiment 2

[0174] This embodiment 2 adopts Figure 1-6 The rapid pyrolysis system of biomass, wherein, 4 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 the adjacent regenerative radiant tubes are along the horizontal and reactor body The heights are spaced at the same interval in both directions 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. The biomass rapid pyrolysis system of the present invention is used to process corn stalks, and the particle size is below 2mm. The analysis data, process operation parameters and material balance of corn stalks are shown in Table 4-6. The rapid pyrolysis time is 1s, as shown in Table 4-6. 6 s...

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Abstract

The invention discloses a rapid biomass pyrogenation system and method. The system comprises a rapid pyrogenation reactor, a residue cooling machine and a spraying tower. The rapid pyrogenation reactor comprises a reactor body, a multi-layer heat storage type radiation pipe, a biomass inlet, a material distributor, a distribution gas inlet, a plurality of pyrogenation gas outlets and a semicoke outlet. The residue cooling machine is connected with the semicoke outlet and suitable for cooling semicoke. The spraying tower is connected with the pyrogenation gas outlet and suitable for spraying pyrogenation gas through cooling liquid so that bio-oil and fuel gas can be obtained. The system can convert biomass into bio-oil with high value-added, and therefore efficient and clean utilization of biomass is achieved, and the rapid pyrogenation reaction technological process is greatly simplified.

Description

technical field [0001] The invention belongs to the technical field of high-efficiency and clean utilization of biomass in renewable energy, in particular, the invention relates to a system and method for fast pyrolysis of biomass. Background technique [0002] Biomass pyrolysis liquefaction is a process in which biomass is mainly degraded into liquid products and some gas products and solid products after being heated under the condition of complete anoxic or limited oxygen supply. The four most important parameters affecting biomass pyrolysis liquefaction are:10 4 ~10 5 The heating rate of ℃ / s, the reaction temperature of about 500 ℃, the gas phase residence time of no more than 2s and the rapid condensation and collection of bio-oil. Aiming at the conditions of pyrolysis and liquefaction, the reactors of biomass rapid pyrolysis and liquefaction systems developed at home and abroad mainly include: fluidized bed, rotating cone, ablation bed and moving bed, etc., which can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G1/00C10B53/02
CPCY02E50/10
Inventor 吴道洪陈水渺肖磊
Owner SHENWU TECH GRP CO LTD
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