Household garbage incineration fly ash wet-method mold bag treatment method and system
A technology of domestic waste incineration and treatment method, which is applied in the field of domestic waste incineration fly ash wet-process mold bag treatment, which can solve problems such as unavoidable disposal problems, low utilization rate of storage capacity, increase of chemical cost, etc., and achieve expansion and simplification of storage capacity utilization coefficient Effect of treatment process and reduction of disposal cost
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[0055] Example 1: The ratio of fly ash and water stirring slurry is 1:5 by weight, and the water used is the mold bag discharge liquid, the circulating water after treatment by the discharge liquid treatment system and the impurity removal system and part of the supplementary landfill leachate RO concentrate, heavy metal stabilizer is selected as sulfide inorganic chelating agent, the addition amount is 1% of the dry basis of fly ash, and the dioxin extractant is sodium lauryl sulfate anionic surfactant, and the addition amount is the dry basis of fly ash. 0.5%, the slurry conveying pipeline with thread on the inner wall is used to strengthen fly ash homogenization, desalination and detoxification. The material of the mould bag is made of polyvinyl chloride, and the outer surface of the mould bag is sprayed with a water-repellent finishing agent containing fluorine organosiloxane for modification ( It can perform normal performance when the pH of the mold bag discharge is 12.5),...
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[0063] Example 2: The ratio of fly ash and water stirring slurry is 1:10 by weight, and the water used is the circulating water treated by the discharged liquid from the discharged liquid treatment system and the discharged liquid filtering and impurity removal system and the evaporative crystallization salt extraction system. Part of the fresh water supplemented. The heavy metal extractant is pure acetic acid, and the addition amount is 8% of the dry basis of fly ash. The dioxin extractant is acetone, and the addition amount is 0.7% of the dry basis of fly ash. The inner wall belt is uniformly circumferential. The slurry conveying pipeline of the distributed spiral blades is used to strengthen the homogenization, desalination and detoxification of the fly ash. The material of the mould bag is made of polypropylene. The normal performance can be achieved under the working condition of pH 5.5), the modified mold bag is filled with fly ash slurry and left for 9 days to achieve com...
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