Efficient acetoacetanilide refining process and equipment thereof

The invention discloses an efficient acetoacetanilide refining process and equipment thereof. The efficient acetoacetanilide refining process comprises the first step of raw material preparation, the second step of synthetic reaction, the third step of cooling and the fourth step of finished product refining. The process comprises the steps: step 1, preparing raw materials: preparing 46-53 kg of aniline, 38-43 kg of diketene and 10-16 kg of ethanol; and step 2, synthesis reaction: carrying out diacetylation reaction on aniline and diketene in a reaction kettle. The acetoacetanilide refining process is simple, the operation is convenient, and the product refining effect is good; an temperature adjusting assembly is provided, a reaction kettle body is heated through a spiral heating pipe, the heating effect is good, and the heating is uniform; an arranged catalyst improves the chemical substance reaction speed; and a stirring assembly is provided, so chemical substances in the reaction kettle can be stirred, th