Separation device for sulfuric acid alkylation reaction product

The utility model discloses a separation device for a sulfuric acid alkylation reaction product. The separation device comprises a partition rectifying tower (T1), a condenser (E1), a first reboiler (H1) and a second reboiler (H2), a vertical partition plate is arranged on the lower middle portion in the partition plate rectifying tower (T1), and the interior of the partition plate rectifying tower (T1) is divided into three working sections including a partition plate section I, a partition plate section II and a public rectifying section III. Raw materials enter the tower from the partition plate section I on the left side of the partition plate, qualified circulating isobutane is obtained at the tower top, a qualified alkylated oil product is obtained at the tower bottom of the partition plate section I, and a qualified n-butane product is obtained at the tower bottom of the partition plate section II; the separation device may also comprise a third reboiler (H3). The separation target is achieved, meanwhi