Tin alloy waste regeneration system

The invention provides a regeneration system for tin alloy waste. According to the technical scheme, the regeneration system comprises the following steps that S1, pretreatment is conducted; s2, a carbonaceous reducing agent is added, roasting is conducted in the inert atmosphere, insoluble substances are filtered out, oxidation refining is conducted, and refined antimony alloy and alloy slag are obtained; s3, the refined antimony alloy reacts with lead oxide under the vacuum condition, and antimony and lead are obtained; the alloy slag is subjected to water leaching, and water leaching liquid and water leaching slag are obtained; s4, carrying out arsenic precipitation treatment on the water leaching liquid to obtain arsenic-calcium slag; s5, electrolysis is conducted, specifically, water leaching residues are treated, and tin-containing filter residues and a tin-removed copper electrolyte are obtained; s6, the tin-containing filter residues are heated, separated and filtered, and tin is obtained; and S7, ele