Automatic regulating system for water quality of injected water

• Main Authors: Zhang Xinzhu, He Zhiwu, Zhou Pei, Fan Chen, Fu Caili, Li Yongchang, Liu Ning, Dong Xiaohuan, Li Qiongwei, Dong Jun, Cheng Bihai
• Format: Patent
• Language: Chinese; English
• Published: 10.08.2016
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention provides an automatic regulating system for the water quality of injected water. The system comprises a source water storage unit, a source water measuring unit, a primary nanofiltration unit, a primary nanofiltration measuring unit, a secondary nanofiltration unit, a barium chloride (BaCl2) loading unit, a secondary nanofiltration measuring unit, and a PLC control unit. The PLC control unit can determine an output direction of injected water in source water storage unit and output directions of concentrated water and nanofiltration water in the primary nanofiltration measuring unit and the secondary nanofiltration unit based on concentration values of SO4<2-> in the source water measuring unit and the nanofiltration measuring units, and can control the BaCl2 loading unit to add BaCl2 to the obtained concentrated water to neutralize a part of SO4<2-> in the concentrated water. Therefore, the final obtained concentrated water can be utilized, and the injected water can be used at 100%. 本发明提供种注入水水