Device for prolonging service life of PSG-removing liquid medicine

• Main Authors: REN JUNLI, YIN ZHAOZHU, MA ZHANGYAN
• Format: Patent
• Language: Chinese; English
• Published: 13.11.2020
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

The utility model discloses a device for prolonging the service life of PSG-removed liquid medicine. The device comprises a main tank, an auxiliary tank, a conductivity tester, a PLC module, at leasttwo electromagnetic valves and at least two pneumatic valves, wherein a conductivity tester is mounted in a pipeline of the main tank, the main tank is connected with the auxiliary tank, the auxiliarytank is communicated to the two constant-pressure tanks through a first pneumatic valve, and a water inlet of the first constant-pressure tank is connected to a pure water pipeline through a first pneumatic valve; a water inlet of the second constant-pressure tank is connected to a PSG liquid medicine pipeline through a second ground moving valve; an air pipe of the first pneumatic valve is connected to the first electromagnetic valve, and a signal line of the first electromagnetic valve is electrically connected to the PLC module; an air pipe of the second pneumatic valve is connected to a second electromagnetic valv