A kind of activated carbon activation method of hydrogen combustion steam activation furnace

Abstract

The invention discloses an active carbon activation method of a hydrogen burning water vapor activation furnace. The method comprises the following steps: adding the pretreated carbonization raw material into an activation reaction section of the activation furnace; in a nitrogen atmosphere with a normal pressure, heating to form primary active carbon; proportionally introducing hydrogen and oxygen into the bottom layer of the activation furnace at the same time and mixing; enabling the mixture to rise to a gas mixing firing section of the activation furnace through a first-level gas distribution plate, and mixing with the introduced nitrogen for reacting to generate water vapor; enabling the water vapor serving as an activator to rise into a gas buffering distribution section through a second-level gas distribution plate for buffering and then rise for an activation reaction with the primary active carbon through a material support gas distribution plate; and in the nitrogen atmosphere, cooling to obtain active carbon. In the method, a new activator introducing way is provided, and the generation amount of water vapor is accurately controlled through the introduced oxygen while the heat energy released by the burning of hydrogen and oxygen is utilized; and therefore, the energy is saved, and the activation efficiency is improved.

Description

technical field [0001] The invention relates to a method for physical activation of activated carbon and activation equipment for activated carbon, in particular to a method for activating activated carbon by burning steam with hydrogen and an activation furnace for burning steam with hydrogen. Background technique [0002] Activated carbon is an excellent adsorbent. Because of its extremely developed inner pore structure and large specific surface area, it is widely used in various aspects such as chemical wastewater treatment and environmental protection. There are two production methods of activated carbon, chemical activation and physical activation. [0003] There are usually two kinds of activation furnaces in the existing physical activation methods, one is a vertical activation furnace, and the other is a horizontal rotary activation furnace. The vertical activation furnace is mainly the Sleep furnace, and its main disadvantages are: complex structure, high requirem...

AI Technical Summary

Problems solved by technology

Vertical activation furnaces are mainly Sleep furnaces, and their main disadvantages are: complex structure, high requirements for feed materials, and high technical requirements

During the actual operation of the activation furnace, the actual consumption of water fed into the activation furnace in the two processes of gasification and activation is unknown, and the actual consumption of water vapor in the activation process can only be calculated according to a specific calculation formula Conversion, there are inaccurate factors

Secondly, the phenomenon of uneven activation effect is easy to appear during the activation process.

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