The invention discloses a household garbage
incineration fly ash source reduction treatment system and method, and the
treatment system comprises a deacidification reaction
tower, a classifier and a chelating agent atomization reactor which are sequentially communicated, the bottom of the deacidification reaction
tower is connected with a circulating fan, and household garbage
incineration flue gas enters the deacidification reaction
tower for deacidification treatment; the
bottom ash of the deacidification reaction tower enters the deacidification reaction tower again under the action of thecirculating fan to be circulated, the
flue gas subjected to deacidification treatment is classified into fine-particle
fly ash and coarse-particle
fly ash through the classifier, and the fine-particlefly ash enters the chelating agent atomization reactor to be subjected to chelating stabilization treatment for the first time; and the treated fine-particle fly ash and the treated coarse-particle fly ash are converged and subjected to dust removal treatment and secondary chelating stabilization treatment in sequence. According to the method, the consumption of
consumables in the
flue gas purification process is reduced, the action efficiency of desulfurization and heavy
metal fixing agents is improved, the fly ash yield and harmless treatment cost are reduced, and fly ash reduction and efficient stabilization treatment of
heavy metals are realized.