Desalination and purification device for fluorine-containing underground water

• Main Authors: WANG BIAO, WANG TING, GAO WANG, XU SHOUJIANG, LI JIANSHU, LIU YONG, LI HONGREN
• Format: Patent
• Language: Chinese; English
• Published: 05.02.2014
• Subjects: CHEMISTRY; 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 FOR ADAPTATION TO CLIMATE CHANGE; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model discloses a desalination and purification device for fluorine-containing underground water. The device comprises a PLC (programmable logic controller) as well as a full-automatic water softener, a raw water tank, a precision filter, a high-pressure pump, a reverse osmosis membrane group, a pure water tank, a pure water pump, a CTO filter and a pipeline type sterilizer which are communicated sequentially through pipelines, wherein the pipeline type sterilizer is connected to a water outlet for discharging water; high-low liquid level sensors are arranged in the raw water tank and the pure water tank respectively; a plurality of electromagnetic valves are connected onto pipelines of the components; and the high-low liquid level sensors and the electromagnetic valves are controllably connected with the PLC respectively. According to the device, water softening and precision filtration are performed sequentially, and then, a membrane water filtration technology is used for obtaining pure water,