Production device of mucilage glue based active carbon fibers and energy-saving and environment-protection method

Abstract

The invention discloses a production device of mucilage glue based active carbon fibers and an energy-saving and environment-protection method and belongs to the field of a carbon fiber production process. The energy-saving and environment-protection method comprises a catalysis step, a dehydration step, a carbonization / activation step and an energy-saving step, wherein the energy-saving step is used for mainly recycling a lot of residual heat in high-temperature tail gas exhausted by an heating electric furnace. Primary residual heat utilization comprises the steps of adding water into a residual heat steam furnace and introducing the high-temperature tail gas into the residual heat steam furnace to be subjected to heat exchange with the water, and the residual heat is reutilized by the catalysis step, the carbonization step and the activation step; secondary residual heat utilization comprises the steps of conveying room-temperature air into a hot blast stove and conveying the high-temperature tail gas subjected to the primary utilization from the residual heat steam furnace into the hot blast stove for being subjected to the heat exchange with the air, and then the residual heat is conveyed into the dehydration step for reutilization. Therefore, one coal fired boiler and one coal fired hot blast stove can be reduced, so that the investment is reduced and the cost is saved; meanwhile, after the energy-saving step is adopted, dependence on coal is reduced and emission of CO2, SO3 and smoke dust is reduced, so that the pollution to the environment is also reduced; remarkable economic benefits, environment-protection benefits and social benefits can be realized.

Description

Technical field [0001] The invention relates to a carbon fiber production process, in particular to a viscose-based activated carbon fiber production device and an energy saving and environmental protection method, and belongs to the field of carbon fiber production processes. Background technique [0002] At present, activated carbon fiber (ACF) is a third-generation activated carbon product developed on the basis of the combination of carbon fiber technology and activated carbon technology after powdered and granular activated carbon. The product is an environmentally friendly product with high adsorption, high value, high efficiency and high technology, and is one of the high-end environmentally friendly materials recognized internationally. The product has been widely used in environmental protection, chemical, pharmaceutical, medical, health, military, protection, fire protection and other industries. At present, ACF is mainly used in solvent recovery, water purification, a...

AI Technical Summary

Problems solved by technology

[0003] However, during the production of activated carbon fibers, a large amount of high-temperature tail gas will be generated, which contains residual C, CO2, PO 4 3- At present, most enterprises directly discharge high-temperature exhaust gas into the atmosphere. The high-temperature exhaust gas is not recycled, causing serious energy waste and environmental pollution, and also reduces the economic benefits of enterprises. It is not in line with my country's conservation, low-carbon, and circular economy. , environmentally friendly industrial policy

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