Self-heating continuous carbonization and activation processing method for biomass and device thereof

A processing method and biomass technology, applied in chemical instruments and methods, sustainable manufacturing/processing, chemical industry, etc., to achieve good environmental protection effects and save energy consumption

Active Publication Date: 2014-04-09
INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI +1
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] The problem to be solved by the present invention is to provide a kind of self-heating continuous carbonization activatio

Method used

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  • Self-heating continuous carbonization and activation processing method for biomass and device thereof
  • Self-heating continuous carbonization and activation processing method for biomass and device thereof

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Embodiment Construction

[0022] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] In order to solve the problems existing in the existing process and equipment, the inventor of the present invention proposes a technical solution, the specific process is as follows: figure 1 Shown: Step S11: Send biomass material with a water content of 40% or less by mass into the drying / carbonization integrated furnace; Step S12: Pass hot air into the drying / carbonization integrated furnace to dry and carbonize the initial biomass Material, turn off the hot air; step S13: use the induced draft fan to draw a certain amount of air into the drying / carbonization integrated furnace, and the air will contact and burn with the flammable volatile matter released during the carbonization process of the initial biomass material to generate heat and hot flue gas; Under the action of the induced draft fan, the mixture of hot flue...

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Abstract

The invention discloses a self-heating continuous carbonization and activation processing method for biomass. The method comprises steps of: feeding biomass materials into a drying/carbonization integrated furnace, feeding hot wind, drying and carbonizing the initial biomass materials, and stopping the hot wind; feeding a fixed quantity of air into the drying/carbonization integrated furnace, combusting combustible volatile compounds formed in the carbonization process of the initial biomass materials, and adopting the generated heat to dry, heat and carbonize subsequent biomass materials, thus forming a carbonized material and a mixed gas; feeding the carbonized material to an external-heated type activation furnace to perform activation, thus forming an activated material and an activated gas; feeding the activated gas and the mixed gas to a combustion chamber of the external-heated type activation furnace to be combusted so as to maintain the temperature of the external-heated type activation furnace and feeding the waste heat to a waste heat boiler to prepare water vapor; and feeding a portion of the water vapor to the external-heated type activation furnace, and feeding the rest of the water vapor into steam power generating units to generate power. The processing method is maintained by the heat generated in the whole processing process, thus achieving effects of energy conservation, emission reduction and efficient energy utilization.

Description

technical field [0001] The invention relates to the technical field of utilization of biomass resources, in particular to a processing method for the comprehensive utilization and clean transformation of lignocellulosic biomass waste, specifically a method for integrating powdery biomass raw material drying, carbonization, activation to produce activated carbon, and pyrolysis The invention relates to a self-heating continuous carbonization activation processing method and a device thereof for producing steam after gas burning and heating an activation furnace and using biomass for power generation. Background technique [0002] Activated carbon is widely used in various industries due to its excellent adsorption characteristics, such as medicine, food, daily life, environmental protection, energy, chemical industry, materials, metallurgy, etc. It has become an essential and important industrial product in production and life. [0003] According to the raw materials for the p...

Claims

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Application Information

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IPC IPC(8): C01B31/10C01B32/336
CPCY02P20/10Y02P20/129
Inventor 汪印邢贞娇
Owner INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI
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