D:\说明书\User Manual(KQ) - Pacific Water Technology
Contents
1. refer to the Piping Connection diagram amp the Data Sheet of membrane for recommended operation parameters o Itis suggested to close all the valves when the filter unit is installed but not commissioned for operation yet in order to prevent secondary pollution PWT 3000 Instructions e Physical Cleaning Forward amp Backward Flushing 100 Feed Inlet Concentrate Waste Backwash Valve is closed CX Outlet Valve1 is closed Forward Flushin i Forward flushing cleaning e Process that is flushing the inner surface of the membrane capillaries e It is recommended to feed with filtered water amp Outlet is closed for optimum result of forward flulshing e Filtered water is feed at Inlet and discharge at Waste e Waste Valve is fully opened for discharge re circulate the concentrate to raw water tank e Kindly Data Sheet for recommended parameters for Forward Flushing Feed Inlet Valve is closed Concentrate Waste Outlet Valve is opend D a Outlet Valve2 is closed Backward Flushin li Backward flush cleaning e Process that is flushing the membrane surface by reversing the water flow from outside to inside This is to flush out impurities that are clogged deeper within the membrane capillaries pores e It is recommended to feed with filtered water and Waste is closed for optimum result of backward flushing e Filtered water is feed at Outlet and discharge at Inlet re circulate the concentrate to ra2. cine wr nonce Operation amp Maintenance Guide PWT 3000 Series UF Membrane Filter SS304 Casing Inside Out Flow Concentrate Waste Pipin nnection of K ri F Filter Installation e All pipe lines connected to the ports of membrane Inlet Outlet amp Waste Ports should be installed with valves for isolation purposes e Discharge Valve connected at Waste Port can be Manual Ball Valve or Timer Controlled Valve i e Electrical Solenoid Valve Air Diaphragm Valve etc e This UF Membrane can be connected in Dead End Filtering configuration as normal operation mode Waste Valve is closed 100 Feed Concentrate Waste Backwash Valva is dosed 100 filtered water Outlet Valves at Inlet amp Outlet are open amp not shown in this diagram Filtering e Dead End Filtering Configuration o Waste Valve is normally closed and permeation of filtered water is at maximum o Waste Valve is opened on time base basis for discharge of concentrate during flushing o Normally recommended for low turbidity water i e municipal water rain water under ground water etc Operation e First time using o Flush the membrane module by performing Forward Flush cleaning with clean water to discharge the disinfection liquid until the discharge water is clear and odour less o Disinfect the membrane module if need be for bacteria free condition after long storage refer to Chemical Flushing e Normal operation o Kindly
3. w water tank e Kindly Data Sheet for recommended parameters for Forward Flushing Caution e When the filtration system is paused for 5 days or above please blend the 2 3 formaldehyde into the module for disinfection and protection purposes e Do not expose the unit to direct sunlight as that could impact the life span of the membrane e Limit prolonged exposure of oxidising chemicals If an ozone generator is installed the injector has to be located downstream of the UF module and a non return valve should be installed PWT 3000 Instructions
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