Formaldehyde-containing wastewater purification equipment

• Main Authors: YU HONGBO, CHEN PENG, ZHANG XU, XIA QIUXIAO
• Format: Patent
• Language: Chinese; English
• Published: 26.11.2021
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model relates to the technical field of wastewater treatment equipment, in particular to formaldehyde-containing wastewater purification equipment. Comprising a first sand filter, a reaction tank, a sedimentation tank, a second sand filter and a clean water tank which are sequentially arranged from front to back, the first sand filter is provided with a first sand filter layer; a water distributor, an aerator and a filler layer are sequentially arranged in the reaction tank from bottom to top; a first overflow weir is arranged at the upper part of the reaction tank; a vertical flow sedimentation pipe and a second overflow weir are arranged in the sedimentation tank; the second sand filter tank is provided with a second sand filter layer; a water outlet is formed in the upper part of the clean water tank. According to the utility model, the technical problem that formaldehyde in wastewater is difficult to degrade is effectively solved. 本实用新型涉及废水处理设备技术领域，具体地说，涉及一种含甲醛废水净化设备。包括从前到后依次设置的第一砂滤池、反应池、沉淀池、第