Mangle and Squeeze Roll Dewatering
topic
Textile mangle machines squeeze wet fabric between rubber-covered nip rolls at hydraulic pressures of 2 to 8 bar, expressing water from the fabric to achieve moisture contents of 60 to 80 percent before thermal drying, with roll hardness, nip pressure, and fabric passage speed controlling residual moisture content after mangling and the uniformity of moisture extraction across the full fabric width that affects subsequent drying uniformity.
Role
Provides mechanical water extraction before thermal drying through the simplest and lowest-capital dewatering method that is standard on all dyeing and washing ranges, with mangle pressure and roll condition being the primary variables governing pre-drying moisture content that directly determines thermal dryer energy consumption, making mangle maintenance and optimum pressure setting important factors in dyeing range energy efficiency management.