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FabriPulse

2015 American Air Filter Company, Inc. Any use of the text or

images this document contains, without permission of American Air

Filter Company, Inc., is prohibited. FabriPulse, AAF, REDClean,

REDFiltration, and Reliable Efficient Durable are registered

trademarks of American Air Filter Company, Inc. d/b/a AAF

International.

Start the fan with the fan damper or duct blast gates partially open. At

the same time observe the differential pressure of the control. This gauge

indicates the differential pressure across the dust cake and fabric. Rising

pressure on the gauge shows that dust is being collected on the bag. When

the gauge shows 3” to 5” w.g., the fan damper or duct blast gates may be

opened to the full normal position. Simultaneously, the power should be

turned on to the control panel.

Check the differential pressure gauge again. It should read a minimum

of 3” to 4” w.g. with slight fluctuations each time a pulse occurs. If the

differential pressure is not 3” to 4” w.g., the factory preset pulse interval

must be changed. Decrease the “high” differential pressure for high pressure

readings and increase the “high” differential pressure for low pressure

readings. Should it not be possible to maintain the nominal 3” to 4” w.g.,

consult your AAF representative. DO NOT ADJUST THE PULSE DURATION

BEFORE CONSULTING AN AAF REPRESENTATIVE.

The procedure should also be followed after installing new bags in the

unit.

11.2

Normal operation

An understanding of the design and operating principle of the FabriPulse M is

essential for effective operation and maintenance. Knowledge of the collector

nomenclature is necessary so that parts can be easily identified and located.

The

FabriPulse

is a single compartment, continuous automatic, self-cleaning

cloth pulse-jet dust collector. The dirty air enters the collector through a high inlet

located on the side of the housing. As the dirty air passes through the filter media,

the dust is deposited on the outside surface of the individual filter bags. The

cleaned air leaves the filter media and rises through the inside of the bags to the

clean air plenum and is exhausted through the outlet.

The filter bags are periodically cleaned by bursts of compressed air that are

injected down the inside of the bags. Since only a few of the bags are cleaned at

one time the unit remains in continuous operation. The collected dust falls into the

hopper after each pulse.

Hoppers are designed to receive the dust and are not for storage. The

recommended practice is to continuously empty the hopper. When flat bottom

hoppers or barrels are used, they must be emptied on a periodic basis to prevent

Содержание FabriPulse M

Страница 1: ...xt or images this document contains without permission of American Air Filter Company Inc is prohibited FabriPulse AAF REDClean REDFiltration and Reliable Efficient Durable are registered trademarks of American Air Filter Company Inc d b a AAF International FabriPulse M ...

Страница 2: ...ulse AAF REDClean REDFiltration and Reliable Efficient Durable are registered trademarks of American Air Filter Company Inc d b a AAF International 7 2016 TO ORDER SPARE REPLACEMENT PARTS Call 1 800 477 1214 Email APCSales AAFINTL com Parts Sales Power Industrial AAF International 9920 Corporate Campus Drive Suite 2200 Louisville KY 40223 5000 USA Internet http www AAFParts com ...

Страница 3: ...uards 8 3 GENERAL PRODUCT INFORMATION 8 3 1 Description 8 3 2 Purpose and intended use 9 3 3 Normal Operation 9 3 4 Sizes 10 3 5 Filter elements 10 3 6 Weights 11 4 PRODUCT SHIPMENT 12 4 1 How the product ships 12 4 2 Items that ship separately 12 5 PRODUCT RECEIPT AT THE DESIGNATED DELIVERY POINT 12 5 1 Responsibilities of the customer or customer s agent 12 5 2 Receiving 12 5 3 Inspection on arr...

Страница 4: ...ectrical connections 20 9 2 10 Compressed air connections 22 9 2 11 Ductwork Installation 22 10 EXPLOSION VENTS 23 10 1 Installation of the Explosion Vent 23 10 2 Assembly 23 10 3 Explosion Vent Burst Sensor 24 10 4 Servicing 25 10 5 Safety distance 25 11 START UP OPERATION 25 11 1 Start up checklist 25 11 2 Normal operation 26 12 MAINTENANCE 27 12 1 Record Keeping 27 12 2 Initial Weekly Maintenan...

Страница 5: ...erformed in accordance with industry accepted practice and all relevant local state and federal government codes laws and policies 2 SAFETY 2 1 Safety statement The air cleaning equipment supplied by AAF International ranges from very large multiple component assemblies which require significant and complex rigging handling and assembly on site to small compact assemblies that are easily handled a...

Страница 6: ...be conducted and outside which there will be no threat to the safety of personnel or plant The perimeter shall be taped off and marked appropriately to prevent accidental ingress of uninvolved personnel or equipment When the work area impedes into existing access ways or traffic routes for which no practical alternative is available barriers wardens and flaggers shall be employed to safely control...

Страница 7: ...view the purchase order and the documents referenced within it to determine if explosion protection equipment has been supplied by AAF International Where this is the case review the appropriate sections of this manual that deal with the installation operation and maintenance of the equipment ordered When explosion protection systems are supplied by multiple vendors it is the responsibility of the...

Страница 8: ... be accessed from inside the cabinet through the air inlet if the pulse pipes are removed and from outside the cabinet through the fan discharge All due care should be exercised to avoid any contact with the operating fan Under no circumstances should the fan ever be allowed to operate when any of the access panels on the dust collector or the silencer have been removed The fan must be disconnecte...

Страница 9: ...d to be used for relatively dry nuisance dusts with loadings generally less than 8 grains per cubic foot 8 gr ft3 Typical applications a FabriPulse M is used for include woodworking metalworking chemical mining and food processing The standard bag media that is used in the FabriPulse M should be suitable for the intended application Contact AAF International for assistance on a bag design for your...

Страница 10: ...by the total square feet of available media For instance the 6 336 1200 means that the collector has 6 foot bags has 336 total bags and a total media area of 1200 square feet 3 5 Filter elements The FabriPulse M utilizes a unique header design that has a 6x7 array of bags in each header This makes maintenance of the collector much easier than any other baghouse on the market Each bag is 2 25 diame...

Страница 11: ...nal 3 6 Weights Model Net weight of unit without ancillaries or any dust loading lbs Note The table is for guidance only The collector delivered may vary according to a number of factors such as addition of accessories greater stiffening for NFPA models or where the unit is specially built for applications where the system pressure is greater than the standard 20 w g design pressure is anticipated...

Страница 12: ...onnections 4 2 Items that ship separately To save the customer money AAF International may ship items separately The customer will be notified of which equipment ships separately when the order is placed Items that ship separately should be set aside in an area that is clean dry and in a place where damage to the equipment will not occur 5 PRODUCT RECEIPT AT THE DESIGNATED DELIVERY POINT 5 1 Respo...

Страница 13: ...immediately on discovery The nature of any damage must also be documented in writing Adequate documentation will be critical to support any claims Contact AAF International for claim filing procedure 5 5 Missing goods Any missing goods should be noted on the delivery receipt and the carrier notified immediately Contact AAF International for claim filing procedure FOR ASSISTANCE Contact AAF Interna...

Страница 14: ...e location must take into account the wind and seismic loadings See collector specifications to ensure proper site location The collector is suitable for indoor and outdoor applications Ensure proper equipment and accessories are equipped on the FabriPulse M for such installations The collector can be located on a foundation by others or on structural framing by others Ensure local codes and regul...

Страница 15: ...s and maintenance and should have the shortest run of ductwork possible 9 ASSEMBLY AND INSTALLATION 9 1 Introduction Safe and efficient operation of the FabriPulse M depends on proper installation AAF recommends that the ductwork going into the collector be as straight as possible with at least 5 diameters of straight run recommended Authorities with jurisdiction should be consulted before install...

Страница 16: ...re Assemble the leg structure onto the prepared foundations or steelwork using the supplied GA drawing which shows the position of all the legs and cross braces Ensure all the nuts and bolts are tightened and the structure is mechanically sound and secure and level before proceeding to the next stage Anchors must comply with local code requirements and must be capable of supporting dead live wind ...

Страница 17: ...ssure Demand controller is to be used select a location for fixing the enclosure within 15ft of the static taps located on the FabriPulse M side panels Usually the Pressure Demand controller is fixed to the leg structure but it can be remotely located if desired AAF provides plastic tubing for the pulse controller to be located 15ft from the static taps A more remote position is acceptable if addi...

Страница 18: ...shipping Normally when the bags need to be replaced the entire 42 bag header is to be replaced with a new one An entire header can be replaced in minutes eliminating a labor intensive procedure of replacing 42 individual bags Also since a new header is equipped with new sealing gaskets reuse of old worn and leaking gaskets is also avoided For bag installation and removal refer to the image above a...

Страница 19: ...when one or two bags become damaged and need to be replaced Individual bag replacement can be done with the following instructions 1 Unseat the venture bag assembly remove venture from expander spring 2 Push new bag expander spring assembly up through the hole in the tubesheet 3 Snap the expander spring into the lower portion of the venturi 4 Slide venture down the bag 5 Continue sliding venturi b...

Страница 20: ...ck the fan rotation against the rotation arrow for correct motor connections Fan rotation should always be clockwise when looking down from the top of the motor If incorrect change the motor leads as indicated on the motor wiring instructions Provide adequate grounding of unit The FabriPulse M pulse jet bag collector is supplied with electrical solenoids in a NEMA 4 enclosure and the standard puls...

Страница 21: ...als as shown on the electrical connection diagram that is supplied with the specific FabriPulse M collector ordered If the collector has been factory wired as an option the solenoids are prewired to a junction box with a terminal strip The power requirements are 85 270V 50 60Hz 1Ph The operating temperature range is 40F to 140F Continuous cleaning operations do not require external inputs and can ...

Страница 22: ...set at a 30 second pulse interval Do not use over 120 psig of compressed air Solenoid valves will not operate and can cause damage to collector components The compressed air manifold has a pipe cross mounted on the underside of one end The cross provides connections for the following 1 a mounted pressure gauge 2 a plugged 1 NPT connection for condensate drain located on the bottom of the manifold ...

Страница 23: ...n vent during shipping or handling The FabriPulse M will have a frame constructed as part of the unit where the explosion vent is mounted The number of explosion vents and location of the explosion vent will be detailed on the collector drawing 10 2 Assembly Ensure no damage has been done to the explosion vent during shipping or handling The FabriPulse M will have a frame constructed as part of th...

Страница 24: ...roperty damage can result from material discharge during venting 10 3 Explosion Vent Burst Sensor All standard explosion vents come with a burst sensor This can be connected to an AAF Control Center or to the customer s controls to shut down the unit when an event occurs The magnetic sensor is suitable for use in Class I and II Division I Groups A to G Under normal operation when the disk is close...

Страница 25: ...e effects of fireball temperature and pressure In the event of a vented explosion use the guidance detailed in NFPA 68 to determine the maximum width and height of the flame 11 START UP OPERATION 11 1 Start up checklist 1 Check the compressed air lines to be sure they are connected to the 1 NPT connection on top of the surge tank Turn on the compressed air supply to the surge tank If any leaks are...

Страница 26: ...nominal 3 to 4 w g consult your AAF representative DO NOT ADJUST THE PULSE DURATION BEFORE CONSULTING AN AAF REPRESENTATIVE 9 The procedure should also be followed after installing new bags in the unit 11 2 Normal operation An understanding of the design and operating principle of the FabriPulse M is essential for effective operation and maintenance Knowledge of the collector nomenclature is neces...

Страница 27: ...ast the first 30 days of operation Adverse operating conditions can be detected by a change in differential pressure The dust collector controller will give a digital read out of the differential pressure This gauge will provide differential pressure reading across the dust cake and fabric After start up the differential pressure will gradually rise to its normal operating level which will be abou...

Страница 28: ...st Consult the records for differential pressure and flow to identify signs of rising differential pressure across the bags If the bags can no longer maintain a consistent differential pressure the bags need to be replaced Replacement of the bags should occur as soon as possible Examine the door seal and internal gasket for wear Examine the header cam mechanism of wear or for adjustment Inspect al...

Страница 29: ...information Disconnect power and lock out any electrical power sources before servicing CAUTION Dirty bags may be heavy use caution when removing the bags from the dust collector Do not operate the dust collector with missing or damaged bags The working area requires good ventilation Some applications involve hazardous gasses and dusts Check with an authorized person before work commences to avoid...

Страница 30: ...eflection for a 32 span would be 1 64 multiplied by 32 or 3 The amount of force required to deflect the belt should be 4 5 pounds There will normally be a drop in tension during the first 24 to 48 hours of operation During the run in period the belts seat themselves in the sheave grooves and the initial stretch is removed After a day or two the drive should be stopped again and another check made ...

Страница 31: ...registered trademarks of American Air Filter Company Inc d b a AAF International 6 Install new bearings with Skwezloc ring on top and pillow blocks against stops 7 Replace set collar sheave and belts 8 Adjust belt tension 12 6 4 Integral fan and motor replacement Lock out electrical power to the motor Remove top assembly Remove the fan inlet cone The fan wheel is now accessible for replacement The...

Страница 32: ... the text or images this document contains without permission of American Air Filter Company Inc is prohibited FabriPulse AAF REDClean REDFiltration and Reliable Efficient Durable are registered trademarks of American Air Filter Company Inc d b a AAF International ...

Страница 33: ...r supply to be sure the compressor is providing 80 to 100 psig Check for a plugged filter in the compressed air line Solenoid pilot valve malfunction Listen to be sure the solenoids are firing Check for momentary air venting each time it fires Clean or replace if necessary Leaky Dust Discharge Device A leaking rotary lock screw conveyor slide gate barrel top adaptor etc can overload a collector by...

Страница 34: ...nd the damper position Also be sure the dust load and air volume are those the system was designed to handle 13 2 Visible Discharge Improperly installed or damaged bags Check for holes or rips in bags Replace damaged bags with AAF replacement bags Reseal bags as necessary Improper sealing of the header Vacuum dust from the clean air side of the collector Inspect the header seal Clean or replace th...

Страница 35: ...fan selection 13 4 Fabric Bag Problems Temperature Operating temperatures should not exceed specified maximum of the bag material Humidity High humidity will create blinded bags which results in excessive differential pressure Run the cleaning mechanism with the fan off and program timer on to release the dust cake If condensation is a recurring problem pre processing warm up and post processing p...

Страница 36: ...aters with insulation may have to be added to the hoppers Bag wear on the inside Dirt on clean side of bags will wear the bags out from inside This could be the result of a broken bag or incorrect bag installation or an improper tube sheet seal Vacuum the clean air side replace the bag correct the seal and reseal the header Do not blow dirt inside the bags If the bags have dust inside them vacuum ...

Страница 37: ...t or images this document contains without permission of American Air Filter Company Inc is prohibited FabriPulse AAF REDClean REDFiltration and Reliable Efficient Durable are registered trademarks of American Air Filter Company Inc d b a AAF International 5 15 FCP 3 411E ...

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