Aaf-international PORTA Scrubber User Manual download pdf (Page 4)

2.0 Principles of Operation

An understanding of the design and operating principle of the

PORTA-Scrubber with chemical media is useful for effective

installation, operation, and maintenance. The system is intended

to remove corrosive and odorous gaseous contaminants from

sewage pumping stations, laboratory vent hoods, and pressure

relief valves of chemical storage tanks.

WARNING:Chemicaltankonotherhighconcentration

applicationsmayrequireconstantairowandotherspecial

operating instructions. Ensure that the design operating

instructions are followed.

The heart of the system is the SAAF chemical media. The

PORTA-Scrubber is a small high density polyethylene (HDPE)

vessel that allows air to move across the chemical media bed in

an upward direction. The method of contaminated removal

is through physical adsorption or a combination of physical

adsorption and chemical reactions, such as oxidation. AAF

offers a variety of impregnated and un-impregnated dry granular

chemicalltrationmediatohandleawiderangeofcontamination

problems.FormoreinformationonAAF’sgas-phaseaircleaning

products, contact your AAF representative.

The SAAF PORTA-Scrubber is one of the various systems

designed to support the SAAF chemical media in the air stream

and to allow easy installation, operation, and maintenance of

the system.

CAUTION:Alldrychemicalmediahasthepotentialto

generateasmallamountofdustintheexhaust.Ifyour

scrubber will be located indoors without external exhausting,

youwillrequireadditionalparticulateltrationontheexhaust.

Solutions can range from an additional PolyKlean Blue pad

downstreamofthemediabedtoaseparatelterbox.

3.0 Installation Instructions

Consult the product drawing(s) submitted on this order before

proceeding.

3.1 Space Requirements

Aminimumof24˝clearspacemustbeavailablearoundthe

PORTA-Scrubber to perform routine maintenance. Additionally,

itisrecommendedthat36˝clearspacebeavailableinatleast

one direction. Additional space may be required for inlet and

outlet ductwork.

3.2 Foundation, Supports, and Anchoring

The foundation and/or supports must be designed to be

adequatetosupporttheltersystemoperatingweight,andany

seismic,liveorotherloadrequirements(ifany),withasufcient

factor of safety as determined to comply with the requirements

of all applicable governing codes, standards, and laws. Ensure

that the foundation or support surface is level and smooth before

proceeding.Theltrationsystemmaybedesignedforoperation

ineitherindoororoutdoorlocations.Indoorapplicationsmay

requireadditionalparticulateltration.Theequipmentisnot

specicallydesignedtoresistandoperateunderunusual

dynamic loading situations such as high winds or earthquake

conditions.Iftheequipmentisrequiredtofunctioninsuch

circumstances special precautions may be required to ensure

that the equipment will remain intact, anchored and functioning.

Ifthissituationappliesconsultwithaqualiedprofessional

engineer before installing the equipment

3.3 Typical PORTA-Scrubber Details

Cast Aluminum

Pressure Blower

Bind Screen

Typical Powered PORTA-Scrubber

Typical Non-Powered PORTA-Scrubber

Wire Outlet Guard

4˝ Exhaust

Steel Latch

HDPE Tank

4˝ Inlet

1˝ Drain with

PVC Valve

Steel Latch

1˝ Drain with

PVC Valve

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Aaf-international PORTA Scrubber User Manual Page 4

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