Dyeing and finishing process of acetate fiber, tencel and wool blended fabric and blended fabric

The invention relates to the technical field of textile dyeing and finishing, in particular to a dyeing and finishing process of acetate, tencel and wool blended fabric and the blended fabric, and the dyeing and finishing process comprises the following steps: enzyme piling treatment, open-width washing, refining, preshrinking, presetting, dyeing, soaping treatment, heat setting finishing and tank steaming finishing; the preshrinking step comprises the following steps: preparing a preshrinking treatment solution, treating the refined blended fabric in the preshrinking treatment solution at 50-55 DEG C for 30-50 minutes, heating to 75-85 DEG C, and treating for 10-20 minutes to obtain a preshrinking blended fabric; the heat-setting finishing comprises the following steps: preparing a heat-setting finishing liquid, enabling the soaped blended fabric to pass through a rolling liquid in a one-dipping and one-rolling manner, enabling the liquid carrying rate to be 60-70%, and after the blended fabric is padded and