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Vertical tube moving bed continuous pyrolysis apparatus for biomass

A moving bed and biomass technology, applied in the fields of biofuels, special forms of dry distillation, preparation of liquid hydrocarbon mixtures, etc., can solve the problems of reduced effective components of liquid products, difficult operation of quality control, reduced yield and grade, etc. The effect of time required for production, high heat utilization efficiency, and high energy utilization efficiency

Inactive Publication Date: 2012-12-12
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

However, the yield and grade of charcoal in this technology are reduced, and quality control is more difficult to operate; the CO content in the gas product is greatly increased and exceeds the standard, and the effective components of the liquid product are reduced; as a result, users will choose to directly discharge the gas-liquid product into the air. , the potential environmental risk is very large

Method used

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  • Vertical tube moving bed continuous pyrolysis apparatus for biomass
  • Vertical tube moving bed continuous pyrolysis apparatus for biomass
  • Vertical tube moving bed continuous pyrolysis apparatus for biomass

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Embodiment Construction

[0023] Such as figure 1 As shown, the structure of the device of the present invention is: material hoist 1, material conveying slide 2, hopper 3, feed rotary valve 4, pyrolysis gas export box 5, vertical pipe type pyrolysis moving bed 6, coke air cooling pipe 14, The discharge rotary valve 11 and the discharge auger 10 are connected in sequence; the coke air cooling pipe 14, the vertical pipe type pyrolysis moving bed 6 and the material hoist 1 are respectively covered with a coke air cooling box 13 and a pyrolysis heating smoke box 7 and the hoist heating smoke box 16; the coke air cooling box 13 is connected to the blower 12 and the combustion nozzle 9 respectively, and the combustion nozzle 9 is connected to the heating furnace 8; the pyrolysis heating smoke box 7 is respectively connected to the heating furnace 8 and the hoist heating smoke box 16 ; Hoist heating smoke box 16 pipes connected to the flue gas induced draft fan 15.

[0024] Between the discharge port of the...

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Abstract

The invention discloses a novel vertical tube moving bed continuous pyrolysis apparatus for biomass. The apparatus mainly comprises a combustion heating furnace, a pyrolysis heat supply flue, a vertical tube pyrolysis moving bed, a coke air-cooling pipe, a rotary feed valve, a rotary discharge valve, a discharging packing auger, etc. According to the invention, high temperature flue gas is used to scour rows of pyrolysis vertical tubes in the moving bed to reinforce the effect of heat transfer from an external heat source to pyrolysis equipment, and biomass raw materials successively undergo thermal decomposition in the pyrolysis tubes with a great length-diameter ratio; heat released in cooling of coke is utilized for preheating of heating air, which enables energy to be fully utilized; and through adjustment by the rotary feed valve and the rotary discharge valve and gravity of materials, continuous production in the process of pyrolysis is realized.

Description

technical field [0001] The invention relates to a biomass pyrolysis device, which is a continuous pyrolysis device for indirect heating of biomass. The biomass undergoes dehydration, devolatilization, polycondensation into charcoal, cooling and other processes in the device to become high-quality biomass. Substance coke. Background technique [0002] Pyrolysis is a high-efficiency conversion method, which can quickly convert biomass into three valuable products: charcoal, gas and oil. At present, the research and development and application of biomass pyrolysis focus more on the utilization of a single product, while not paying enough attention to other products. Not only is the economy difficult to guarantee, but there are also hidden dangers of secondary pollution. The development of pyrolysis-based carbon, gas, and oil polygeneration technology to produce a variety of high value-added products can effectively maximize the economic and environmental benefits of the entire...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G1/00C10B53/02
CPCY02E50/14Y02E50/10Y02P20/129
Inventor 陈汉平陈应泉杨海平王贤华张世红李斌刘标李开志
Owner HUAZHONG UNIV OF SCI & TECH
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