Water-saving device for alkali-decrement printing and dyeing process

• Main Authors: ZHANG HONGBO, QIU LE, CAI SHIQIN, SHEN YING, LI XIUHONG
• Format: Patent
• Language: Chinese; English
• Published: 03.01.2025
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model relates to a water-saving device for an alkali-decrement printing and dyeing process, which comprises a water storage tank capable of inputting printing and dyeing desizing and alkali-decrement wastewater, the water storage tank is sequentially communicated with a sand filter tank, an ion exchange resin device, a reaction tank, a solid-liquid separation tank and a cleaning tank through pipelines, and the cleaning tank is communicated with the water storage tank through a pipeline. The solid-liquid separation tank is further communicated with a recovery pool, the recovery pool is communicated with the water storage pool through a pipeline, the water storage pool, the sand filtration tank, the ion exchange resin device, the reaction pool, the solid-liquid separation tank and the cleaning pool convey liquid through a pump, and the recovery pool is communicated with the solid-liquid separation tank through a filter press. The water-saving device designed by the utility model can be used for recy