Activated char activating devices and methods thereof

Abstract

The present invention discloses active carbon activating apparatus and process. The activating apparatus consists of one louver type activating furnace and one gas circulating system. The activating furnace laid with louver bricks has one activating channel with one middle flue and two side flues, one combustor communicated to the activating channel in the lower part, and one discharge unit in the bottom. The gas circulating system consists of activating gas outlet, heat exchanger, spraying tower, steam-water separator, gas blower, gas nozzle, afterheat boiler, combustor and blow-down stack connected through pipeline. The technology of the present invention may be applied in activating active carbon of different granularity, and has short activating period, convenient operation and other advantages.

Description

technical field [0001] The invention relates to an activation furnace which can be used for activating various granular activated carbons, in particular to a louver type activated carbon activation device and an activation method thereof. Background technique [0002] At present, there are many types of furnaces and activation processes for the physical activation of granular activated carbon. The diffusion effect goes deep into the carbon layer, so the existing furnace types have the problems of slow activation speed and long activation period, and they are bulky and expensive. The Sleep activation furnace commonly used at present has a complex structure. When the furnace was imported from abroad in the past, it required as many as 32 kinds of special-type refractory bricks. Now there are still as many as 20 kinds of special-type bricks after domestic improvement. The construction period is long and the work flexibility is small. Long start-up and shutdown time require hig...

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Problems solved by technology

[0003] ZL200520019843.2 discloses a utility model activation furnace. The difference between it and the Sleep furnace is only that the layer height of the activation furnace is increased and the stroke of the steam in the activation furnace is increased. However, the disadvantages of the Sleep furnace still exist. For only tens of pa, increasing the steam stroke will have a great impact on the furnace conditions and process parameters, which will inevitably increase the furnace pressure and affect the life of the furnace body

[0004] CN86107032A discloses a louver-type activation furnace, whose basic structure is the same as that of the brick type and the Sleep activation furnace. The activation process is still in contact with the gas-solid surface, and the basic activation process has not been changed. Only the combustion chamber is increased by one There are several, but it needs to add combustible gas, which increases the energy consumption. Because it uses the Sleep furnace to activate the belt brick type, the structure is still relatively complicated. Although the manual says that the combustible gas in the furnace can be recycled, but due to the large resistance, It cannot be returned to use simply, it must be pressurized before use

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