Slow cooler for producing low-stretch low-shrink industrial yarn strips

A slow cooler for producing low-stretch low-shrink industrial yarn strips comprises a body, a back heating plate and two heating door bodies. The body is hollow and provided with a lower opening. A through yarn guiding channel is formed in a top plate, a front door opening is formed in a front panel, and an air guide mouth is formed in the lower portion of a rear back plate, wherein the top plate, the front door opening and the rear back plate are all arranged on the body. The heating door bodies are pivoted with the front door opening of the body, and the height difference between the lower end of the rear back plate of the body and the lower end of the front panel of the body forms an air guiding area. The slow cooler for producing the low-stretch low-shrink industrial yarn strips is characterized in that the heating door bodies cover the upper portion of the front door opening. Due to the mentioned structure, side blasting air is exhausted through a rear guiding mouth and the front door opening of the body