Desulfurization wastewater zero discharge device of low-temperature flue gas concentration coupling hot water heat exchanger

• Main Authors: MA QINGYANG, WANG CHEN, ZHAO XIAODONG, DA JIANYU, JI XIANHUA
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2022
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model discloses a desulfurization wastewater zero discharge device of a low-temperature flue gas concentration coupling hot water heat exchanger, and relates to the technical field of wastewater treatment. The desulfurization wastewater zero discharge device comprises a low-temperature flue gas concentration tower, a first bypass flue, a circulating water spraying device, a first wastewater pipeline, a second wastewater pipeline, a bypass flue drying tower, a second bypass flue, a third bypass flue, an air preheater, an inlet flue, an outlet flue, a dust remover, a low-temperature flue gas flue, a low-temperature flue gas concentration tower outlet flue and a desulfurization tower. According to the desulfurization wastewater zero discharge device, the low-temperature flue gas concentration tower and the bypass flue drying tower are combined, waste heat of flue gas before desulfurization is utilized, the purposes of treating waste with waste and realizing zero discharge of desulfurization wastewate