Backwash Strainer

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Title:

Backwash Strainer

Description:

Harsha Filters is steadily growing in the industry, since its inception. Based in Bangalore (Karnataka), the company is renowned as an eminent Manufacturer, Exporter, and Supplier of Industrial Filters, Industrial Filter Elements, Filter Cartridges, Pulse Jet Dust Collection System and Industrial Strainers, in India. The products, that we provide, comply with international quality standards and have been proved to be exceptionally efficient and cost effective for the end users. The outstanding performance of our products has gained us a huge clientele from all over India and most parts of the world, such as in Indian Subcontinent, East Asia, Middle East, South East Asia, etc. To cater to the varying demands of the clients, we provide them with customization option. Not only this, our products are delivered to the clients within stipulated timeframe, which helps us in building long-term relationships with the clients. – PowerPoint PPT presentation

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Provided by: harshafilters

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Transcript and Presenter's Notes

Title: Backwash Strainer

1
HARSHA FILTERSBANGALORE

No.17, Devanahalli Road, Opp. Old Madras Road,
Virgo Nagar Post, Bangalore 560049
Ph080-28470691, Mob9743337230
Email sales_at_harshafilters.com,
info_at_harshafilters.com
Web www.harshafilters.com

2
BACKWASHABLE CANDLE FILTER
www.harshafilters.com
3
BACKWASHABLE CANDLE FILTER
DIRTY FLUID IN
CLEAN FLUID OUT
SPRING COMPRESSES
TOP END FITS INTO
DURING
SEPERATION PLATE
BACKWASHING
4
WORKING PRINCIPLE

Candles are made of thin corrugated discs loaded
on hollow pipe with holes.
Compression is maintained on disc with help of
springs at bottom of each candle.
Housing is divided in 3 sections
Lower dirty section
Seperator plate
Upper clean dome
Numerous candles are mounted on separator plate.
Hollow pipe of every candle opens in Upper clean
dome.

www.harshafilters.com
5
WORKING PRINCIPLE

Dirty fluid in lower section passes from outer
area to inner hollow tube.
Dirt accumulates on the outer surface of candle.
Clean fluid passes through hollow tube to Upper
clean dome.
Dirt accumulation increases the differential
pressure, triggering Backwashing of entire
housing(s).

www.harshafilters.com
6
NORMAL CYCLE

Dirty Inlet and Clean Outlet valves are OPEN.
Pressure differential between INLET and OUTLET is
continuously monitored.
At pre-set pressure, signal is given for back-
washing of candles.

www.harshafilters.com
7
FILTER DRAIN MODE

INLET and OUTLET valves are closed.
Purging Valve N3 and Purging drain Valve N6 are
OPENED.
Compressed air is let in through N3 in bottom
portion of housing.
Dirty fluid in lower section is drained back into
dirty tank.
After pre-set time both valves CLOSE.

www.harshafilters.com
8
BACK-WASH MODE

Backwash Valve N7 and Backwash drain Valve N5 are
OPENED.
Compressed air is let in through N7 in top
section of housing.
Pressurized air and clean oil pass through each
candle IN to OUT into lower section
Slurry of oil and dirt is drained through N5 into
bin / oil recovery.
After pre-set time both valves CLOSE

www.harshafilters.com
9
VENT MODE