Ventilation and dust removal device for coal mine

The utility model relates to the technical field of coal mine dust removal, in particular to a ventilation and dust removal device for a coal mine. The cooling device comprises a box body, a spray head assembly and a cooling piece, an air inlet and an air outlet are formed in the outer wall of the box body, the air inlet is close to the bottom of the box body, the air outlet is close to the top of the box body, air enters the box body from the air inlet and leaves the air outlet, and an air circulation channel located in the box body is formed; the spray head assembly is installed on the outer wall of the box body and located above the air inlet, the spray head assembly comprises a water inlet pipe, a water distribution piece and a plurality of spray heads, the water inlet pipe communicates with the multiple spray heads through the water distribution piece, and the spray heads face the air circulation channel; a groove is formed in the outer wall of the box body, and the refrigeration pieces are detachably in