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Low energy consumption technique for thermally cracking biomass and deices

A technology of biomass pyrolysis and low energy consumption, which is applied in the preparation of liquid hydrocarbon mixtures and the petroleum industry to achieve the effects of energy saving, uniform mixing and increased production

Inactive Publication Date: 2003-12-24
UNIV OF SHANGHAI FOR SCI & TECH
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  • Low energy consumption technique for thermally cracking biomass and deices
  • Low energy consumption technique for thermally cracking biomass and deices
  • Low energy consumption technique for thermally cracking biomass and deices

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Embodiment Construction

[0017] Depend on figure 2 Shown, the technological process of the present invention is: 1, biomass is sent into fluidized bed reactor continuously by the feeder that frequency modulation motor, feed rod, hopper are formed, and reactor is the key equipment in the whole device, must make sawdust It can be heated evenly in a very short time, and can achieve a high heating rate (greater than 1000 ° C / s) and a limited residence time; 2. The Roots blower installed in the middle sends high-temperature nitrogen into the quartz sand as the intermediate carrier. Biomass gasification under the action of high-temperature gas and high-temperature quartz sand; 3. The gasified biomass enters the cyclone separator for separation, part of the carbon particles are separated and enter the carbon collector, and the gas enters the gas-gas exchanger to make the biomass The material gas is cooled, and the gas-gas exchanger is to save heating energy; 4. After the gas-gas heat exchange, the gas at ...

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Abstract

A process for thermocracking the biologic mass with low energy consumption includes continuously feeding the biologic mass into fluidized-bed reactor, gasifying, separating carbon particles from gas,collecting carbon particles, cooling the gas by gas-gas heat exchange, cooling the gas to 40 deg.C further by gas-water heat exchanger to obtain condensed oil, and heating the residual gas for circulation. Its equipment is composed of feeder, fluidized-bed reactor, cyclone separator, gas-gas heat exchanger, gas-water heat exchanger, oil collector, circulating blower, and electric heater.

Description

technical field [0001] The invention relates to a low-energy-consumption biomass pyrolysis process and device, and belongs to the technical field of biomass energy utilization. Background technique [0002] In the energy structure of today's world, renewable biomass energy plays an important role. Biomass is a kind of clean renewable energy. Cutting-edge technology can convert low-grade biomass energy into high-grade liquid fuels and high value-added products. It is an ideal clean fuel oil, which produces almost no harmful gas during combustion; more importantly, the raw material of bio-oil is biomass, so that CO2 can be realized during the utilization of bio-oil. 2 zero emissions. There are many ways to convert biomass resources into biomass energy. According to the amount of final target products (liquid, gas, solid), the conversion methods and processes are also different. It is ideal to increase the energy density, facilitate storage and transportation, and make the m...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G1/00
Inventor 李瑞阳徐开义郁鸿凌
Owner UNIV OF SHANGHAI FOR SCI & TECH
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