RO Polisher Plants (Spiral Wound Membranes) - فرآیند سازان نوین

RO Polisher Plants (Spiral Wound Membranes)

Highlights and application:

The dairy industry shows an ever increasing in­terest in minimization of well water consumption and waste water disposal. As reverse osmosis systems for water recovery (RO polisher) have been optimized to fit the de­mands of the industry, more and more new ap­plications have emerged. For water recovery applications, the demand for cross-flow velocity is relatively low compared to traditional dairy applications. Consequently, 8” SW membrane elements can be used. The SW membrane element has a unique design, where a large membrane area is wound into a compact element.

The 8” SW system is characterized by:

-Low plant investment

-Low space requirements

-Easy membrane change

-Sanitary or semi-sanitary design

 

۸” SW elements are available with:

-Various lengths (38-40 inches)

-Various feed spacers (20-50 mils)

-Special design for high pH/high temperature CIP

-Design for hot water Sterilization

-Various salt/COD rejection

 

Typical applications of RO system are as follows:

Typical applications of RO Polisher system are as

follows:

– Recovery of process water

– Recovery of  RO/NF Permeate

-Recovery of Evaporator condensate

-Recovery of CIP rinse water (White water)

 

RO polisher plants can be supplied with any type of process automation ranging from a simple, manual to a fully automatic system integrated in the overall factory control system.

Capacities:

Standard RO Polisher Plants with fixed capacities which are manufactured by this company are as follows:

-NF Permeate/Evaporator Condensate Polishing: 5000-30000 Lit/hr

-White Water Recovery: 5000-20000 Lit/hr

Higher capacities are available based upon request and can be tailor made.

Components:

RO Polisher Plant usually includes the following components:

-Closed balance tank including level transmitter and  CIP device

– Valve manifold including set of change over valves and automatic butterfly valves

– Feed pressure system including feed pumps, flow transmitter and in line filter

-RO Modules and filters

– Re circulation loops each including circulation pump, tubular heat exchanger, pressure and temperature transmitters, flow indictors and sampling device

-Retentate/Permeate system including modulating valves, flow transmitter, permeate pump

-Equipment for flush water including shut off valves and adjustment valves

-Equipment for steam and cooling water including shut off valves and non-return valves

-Set of pipes and fittings

-Set of shut off valves for water balance tank

-Set of instruments such as temperature and pressure transmitters.

-Stainless steel control panel including PLC, HMI, power supply, solenoid valves, motor starters, MCC etc.

-All of the RO plants  are tested in our factory before delivery

-The RO Plant Panel/Programme ensures the following are realized:

۱-Automatic temperature control in the loops

۲-Automatioctotal solid ration control in the final retentate

۳-Recording feed and retetnate flow and each loop temperature as long as long as the memory of HMI allows it

 

Options:

RO plant can include the following options:

-Automatic CIP dosing unit

-In line cartridge filters for soft water input

-In line filter for product with 10 micron filter

-Mix proof product manifold valve on feed, retentate and permeate inlet/outlet

-Conductivity transmitter for CIP dosing

-Automatic shut off (Isolation) of each loop to cut water consumption during CIP

-Flush water seal re circulation system. Reducing water circulation

-Dia filtration system to enable reaching a higher degree of demineralization

-UPS (Uninterrupted Power Supply)

-Air cooler for Control Panel

 

 

Operation:

The RO Polisher plant is designed fully automatic and from HMI all of the operation parameters and program sequences can be controlled and monitored. Also, all of the necessary process alarms are already incorporated into the program. The operation presence is only required during operation as surveillance The following process sequences are realized automatically:

-Start up/ Recirculation/Ready for product

-Pre concentration

-Production

-Re circulation of product

-Emptying

-Rinse

-Cleaning in place (CIP)

Utilities:

The required utilities for running the RO plant are as follows:

Power supply: ۳×۴۰۰ V AC, 50 Hz (Other voltage and frequencies are also available upon request)
-CIP water supply: ۲-۳ bar(g) @ 10-50 C
-Cooling water supply: ۲-۳ bar(g) @ 10-50 C
-Ice water supply: ۲-۳ bar(g)@1-2 C
-Shaft seal water supply: ۲-۳ bar(g) @ 10-50 C
-Steam pressure: ۲-۳ bar(g)
-Air supply: ۶ bar (g) Instrument air, free from oil
-Cleaning: Membrane cleaning detergent for manual or automatic dosing (Henkel or Diversey or Novadan)
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