Zero-emission comprehensive treatment device for electroplating nickel-containing wastewater

• Main Authors: YU SUYUN, LV JIANLAI, XIAO FEI
• Format: Patent
• Language: Chinese; English
• Published: 20.03.2013
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model discloses a zero-emission comprehensive treatment device for electroplating nickel-containing wastewater, comprising a prior-period pre-treatment system, a filtering and permeating system and an evaporation and concentration system, wherein the prior-period pre-treatment system comprises a raw water pool (1), a pressurizing pump (2), an MBR (Membrane Biological Reactor) membrane processing device (3), a bag type filter (4), an oil-removing filter (5) and a security filter (6); the filtering and permeating system comprises an ultra-filtering device (7), a first high-pressure pump (8), a first-grade reverse osmosis set (9), a first-grade middle water tank (10), a second high-pressure pump (11), a second-grade reverse osmosis set (12) and a high-concentration nickel water collection tank (13); and the evaporation and concentration system comprises a solar water heater (14), an electric heater (15), a hot water storage tank (16), a circulating pump (17), an annular ladder multiple-effect evapora