ashaka pulsejet presentation
TRANSCRIPT
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Pulse Jet Dust Collector
Bag Filters
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - 2
Pulse Jet Dust Collector
Why dust collectors?
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Bag Filter Training Ashaka / 16/01/16 - 3
Pulse Jet Dust Collector
Why dust collectors?
Process Dust Collectors
Air Slide Dust Collectors
Bucket le!ator Dust Collectors
F" Pu#$ %eed ho$$er Dust Collectors
Silo Dust Collectors
Clinker Cooler Dust Collectors
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Bag Filter Training Ashaka / 16/01/16 - &
Pulse Jet Dust Collector
Why dust collectors?
To se$arate solid $articulate #atter %ro# a gasstrea# in order to #aintain en!iron#entalco#$liance
'n #ost ce#ent #anu%acturing a$$lications( theDust Collector returns solid $articulate #atter )ackto the o$eration %or %urther $rocessing
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Bag Filter Training Ashaka / 16/01/16 - *
Pulse Jet Dust Collector
Why dust collectors?
......and because DUST is also Money
(! " or #$
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Bag Filter Training Ashaka / 16/01/16 - 6
Pulse Jet Dust Collector
Dust Collectors
+%&'ansion chabers+Cyclones+Multi)cyclones
+Sand *ilters+Scrubers+Fabric *ilters
+Cartridge+%SP
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Bag Filter Training Ashaka / 16/01/16 - ,
Pulse Jet Dust Collector
Fabric *ilters
+ Bag *ilters+ three ty'es according thecleaning syste
,. Sha-er
. /ir re0erse
1. Pulso 2et
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Bag Filter Training Ashaka / 16/01/16 -
Pulse Jet Dust Collector
Bag *ilter+ sha-er cleaning syste
+Particulate is collected on the inside sur*ace o*the bag. The dust)laden gas enters through thedirty side (inlet$ o* the collector and *lo3s u'through the bag.
Tensioning asse#)l. Cla#$s
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Bag Filter Training Ashaka / 16/01/16 -
Pulse Jet Dust Collector
Bag *ilter+ re0erse air
+/dditional *an createre0erse air *lo3 toblo3 the bags and the
ca-e is dislodged.Co'artents need tobe isolated.
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Bag Filter Training Ashaka / 16/01/16 - 10
Pulse Jet Dust Collector
Bag *ilter+ 'ulso 2et cleaning syste
Blo3'i'e
Pulse
4nducedSecondary
5enturi
Cage
Sna' Band
Shoc-3a0e
Dust
Tube Sheet
6oral *lo3
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Bag Filter Training Ashaka / 16/01/16 - 11
Pulse Jet Dust Collector
Bag *ilter+ 'ulso 2et cleaning syste
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Bag Filter Training Ashaka / 16/01/16 - 12
Pulse Jet Dust Collector
PJBF Co'onents
+ Dust Collector 4nta-e+ De*lector! Di**user! or
Ba**le /ssebly
+ Dirty /ir Chaber+ /irloc-+ Filter Bag+ Cage
+ 5enturi+ Tubesheet
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Bag Filter Training Ashaka / 16/01/16 - 13
Pulse Jet Dust Collector
PJBF Co'onents (cont7d$
Pulse Control Syste
Co'ressed /ir Su''lyMani*old
Solenoid 5al0e
Dia'hrag 5al0e Blo3 Do3n
Clean /ir Chaber
Dust Collector %&haust
Di**erential Pressure 4ndicator
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Bag Filter Training Ashaka / 16/01/16 - 1&
Pulse Jet Dust Collector
PJBF Co'onents+ Cleaning syste
The essential 'arts+
C.A. manifold (14)
Pneumatic valves (13)
Solenoid valves box (8)Air tube (7 / 19)
The airtight system betweenramps and body filter (detail B)
Air tube (compressed airdistributors) plus nozzles (5 / 6)
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Bag Filter Training Ashaka / 16/01/16 - 1*
Pulse Jet Dust Collector
PJBF Co'onents+ Mani*old
C./. Mani*old
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Bag Filter Training Ashaka / 16/01/16 - 16
Pulse Jet Dust Collector
PJBF Co'onents
Mani*old
8
Pulse 0al0es
8
%&'ansion 2oint
8
/ir 'i'es
Clean air cha#)er
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Bag Filter Training Ashaka / 16/01/16 - 1,
Pulse Jet Dust Collector
PJBF Co'onents
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Bag Filter Training Ashaka / 16/01/16 - 1
Pulse Jet Dust Collector
PJBF Co'onents
Solenoide !al!e )o
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Bag Filter Training Ashaka / 16/01/16 - 1
Pulse Jet Dust Collector
PJBF Co'onents+ Tube sheet
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Bag Filter Training Ashaka / 16/01/16 - 20
Pulse Jet Dust Collector
PJBF Co'onents+ Tube sheet
$
Don
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Bag Filter Training Ashaka / 16/01/16 - 21
Pulse Jet Dust Collector
PJBF Co'onents
enturi CageBag
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Bag Filter Training Ashaka / 16/01/16 - 22
Pulse Jet Dust Collector
PJBF Co'onents
Pulse !al!es Solenoide !al!es
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Bag Filter Training Ashaka / 16/01/16 - 23
Pulse Jet Dust Collector
S.ste# %an creates air%lo thru Pulse 4et DC
Dust-laden gas enters thru inlet duct 5 !elocit.
'nitial se$aration occurs as gas !elocit. slos due
to increase in !olu#e as it enters dirt. air cha#)ergas !elocit. decrease allos coarse #aterial to %allout o% sus$ension7
Coarse #aterial se$aration %urther enhanced ).inlet )a%%le/de%lection $late that %orces gas to #akea)ru$t change in direction in dirt. air cha#)er
Princi'le o* 9'eration
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Bag Filter Training Ashaka / 16/01/16 - 2&
Pulse Jet Dust Collector
Change in direction %orces #ore coarse #aterial to%all out o% sus$ension
'nlet )a%%le also ser!es to di%%use air%lo e!enl.
throughout DC ensures e!en ear on %ilter #edia7 Fine #aterial le%t in sus$ension carried u$ard 8
de$osited on %ilter )ag sur%ace 9 %or#s a :cake; on)ag sur%ace
Bags cleaned regularl. to #aintain air%lo 9 done). )last o% co#$ressed air in
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Bag Filter Training Ashaka / 16/01/16 - 2*
Pulse Jet Dust Collector
:oles o* the 0enturi+'ncreases !elocit. to enhance shock
a!e created ). co#$ressed air $ulse
=educes %ilter )ag a)rasion ).
directing co#$ressed air )last tocenter o% %ilter )ag
Create secondar. induced dra%t %ro#clean air cha#)er 9 hel$s %ill )ags ith
air 8 enhances e%%ect o% shock a!edra#aticall. i#$ro!es cleaninge%%icienc.
Princi'le o* 9'eration
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Bag Filter Training Ashaka / 16/01/16 - 26
Pulse Jet Dust Collector
Blast o% co#$ressed air sto$s nor#al %lo o% gasesin the )ag 8 creates shock a!e that tra!els doninside o% cage 8 )ack u$
Shock a!e re#o!es agglo#erated :cake; %ro#sur%ace o% the )ag
Agglo#erated #aterial %alls as a #ass into )otto#o% dirt. air cha#)er ). gra!it.
Su$er%ine $articles are re-entrained
Princi'le o* 9'eration
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Bag Filter Training Ashaka / 16/01/16 - 2,
Pulse Jet Dust Collector
A%ter $assing thru %ilter #edia( clean gas strea#eits clean air cha#)er thru ehaust duct
>aterial collected in ho$$er is #etered out ).
so#e %or# o% airlock or scre con!e.ors Airlock 5 #aterial discharge acts as )arrier
)eteen %lo o% solids #aterial eisting DC7 8%alse air air tr.ing to enter %ro# ho$$er discharge?in leakage@7
Princi'le o* 9'eration
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Bag Filter Training Ashaka / 16/01/16 - 2
Pulse Jet Dust Collector
Princi'le o* 9'eration
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Bag Filter Training Ashaka / 16/01/16 - 2
Pulse Jet Dust Collector
Princi'le o* 9'eration
P l J t D t C ll t
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Bag Filter Training Ashaka / 16/01/16 - 30
Pulse Jet Dust Collector
Princi'le o* 9'eration
P l J t D t C ll t
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Bag Filter Training Ashaka / 16/01/16 - 31
Pulse Jet Dust Collector
Bag ca-ing or ;P
The le!el o% )ag cakingis #easured ). the%ilter;s di%%erential$ressure ;P )eteenthe clean air cha#)erand the dirt. aircha#)er
,< WC
P l J t D t C ll t
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Bag Filter Training Ashaka / 16/01/16 - 32
Pulse Jet Dust Collector
Bag ca-ing or ;P
,< WC
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - 33
Pulse Jet Dust Collector
9'tiu Cleaning Cycle
hat is the i#$ortance o% an o$ti#u# cleaning
c.cle con%iguration
>aintains rated air%lo through the Dust Collector
at all ti#es
>aintains sta)le dust return to the $rocess
$ti#iEes the use o% e$ensi!e co#$ressed air
nsures longest $ossi)le ser!ice li%e o% the %ilter#edia
Shortest $ossi)le ti#e to reco!er $ressure in #ani%old
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - 3&
Pulse Jet Dust Collector
Pulsing s.ste# %reuenc.( duration( and seuencing
The $ulsing s.ste# is used to control the %iring%reuenc. and duration o% the indi!idual dia$hrag#
solenoid !al!es Freuenc. is con%igured to #aintain a sta)le DP
ensures a sta)le air%lo through the Collector
The duration is ad
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Bag Filter Training Ashaka / 16/01/16 - 3*
Pulse Jet Dust Collector
Pulsing s.ste# %reuenc.( duration( and seuencing
The $ulsing s.ste# is used to control the %iring%reuenc. and duration o% the indi!idual dia$hrag#solenoid !al!es
Freuenc. is con%igured to #aintain a sta)le DP
ensures a sta)le air%lo through the Collector The duration is ad
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Bag Filter Training Ashaka / 16/01/16 - 36
Pulse Jet Dust Collector
Freuency
Too o*ten 9 Pre#ature )ag %ailure 8 high energ.
consu#$tionToo in*reuent 9 Garge dro$s o% #aterial 8 unsta)le dustreturned to the $rocess Also creates insta)ilit. in air%lo
9'tiu Cleaning Cycle
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - 3,
Pulse Jet Dust Collector
Duration
Too long9 aste o% co#$ressed air 8 increases header$ressures regain ti#ingToo short9 Shock a!e not strong enough to re#o!e %iltercake
9'tiu Cleaning Cycle
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - 3
Pulse Jet Dust Collector
Seuencing
He!er $ulse to ad
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Bag Filter Training Ashaka / 16/01/16 - 3
Pulse Jet Dust Collector
Pulse length+ >< s
10s - 30s )eteen $ulses
Shortest $ossi)le ti#e toreco!er $ressure in
#ani%old
Seuence ,!!1 @ Bad
Seuence ,!1!> @ Aood
6e0er2 ad
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Bag Filter Training Ashaka / 16/01/16 - &0
Pulse Jet Dust Collector
Ty'es o* Pulsing Control
Ti#er Board S.ste#s
Pulsing s.ste# runs continuousl. during o$eration
De%ined %reuenc. 8 duration
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - &1
Pulse Jet Dust Collector
Ty'es o* Pulsing Control
Gocal Pulse on De#andS.ste#
Ti#er )oard c.cle starts 8sto$s )ased on targetdi%%erential $ressure
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - &2
u se Jet ust Co ecto
Ty'es o* Pulsing Control
Progra##a)le Gogic Controllers PGCs7
Co#$uter controlled $ulsing s.ste# ca$a)le o% on-
de#and $ulsing 8 greater seuencing %lei)ilit.
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - &3
Co'ressed air
+Dry air
+> = P = bars
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - &&
%ngineering
+ Ducting syste++ Ias s$eed %ro# 16 #/s to 2* #/s
+ Filtering 0elocity++ Fro# 1 #/#in to 2 #/#in+Also called air/cloth ratio
+ 5elocity can++ J300 %$# 1(* #/s7
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Bag Filter Training Ashaka / 16/01/16 - &*
Filter Media Fabric Finishes
Con!entional De$th Filtration
=elies on $ri#ar. dust cake %or#ing in cross-section o%%iltration #edia
Secondar. dust cake accu#ulates on outside o% %iltrationsur%ace
Secondar. dust cake re#o!ed during cleaning c.cle
!er ti#e( $ri#ar. dust cake gets denser( reducing
$er#ea)ilit.Di%%erential $ressure increases steadil. o!er li%e o% %ilter
#edia
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - &6
Mebrane Sur*ace Filtration
Sur%ace la#inate a$$lied directl. to con!entional %iltration%i)re
%%ecti!e $ore siEe #uch s#aller than con!entional de$th%iltration #edia
Pri#ar. %ilter cake not reuired
S#ooth sur%ace released %ilter cake during cleaning c.cle
Per#ea)ilit. reco!ers to al#ost original le!els 8 no gradualdecrease in $er#ea)ilit. o!er ti#e
Consistentl. loer di%%erential $ressure across %ilter #edia(less a)rasion( increased air%lo 8 %ilter li%e
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - &,
Filter Fabrics
T.$ical - $ol.ester or glasshigh te#$7 %elt
Allos $articles to #igratethrough o!er ti#e 8 )lind )ag
Heeds thick $recoat( la.er
Kigher LLL #e#)ranes likeIore-Te or te%lon PTF7
Shallo $enetration( lastslonger )e%ore )linding
$recoat not as critical
less $ressure dro$
Coarse PolyesterFelt+dee' 'enetration
Fine Mebrane+shallo3 'enetration
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Bag Filter Training Ashaka / 16/01/16 - &
Filter Fabrics
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Bag Filter Training Ashaka / 16/01/16 - &
Fabric Co'arison
Material >a $Te#$
Filtration A)rasion Cost
Poly'ro'ylene C Aood %&cellent "
Polyester ,1E C %&cellent %&cellent "
/crylic ,E< C Aood Aood ""
6oe& C Aood Aood ""
Fibreglass < C Fair Fair """
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Bag Filter Training Ashaka / 16/01/16 - *0
Fabric Finishes 6on)Fibreglass
Singe 9 i#$ro!es cake release
IlaEe/ggshell 9 $ro!ides short-ter# i#$ro!e#ent%or cake release( )ut #a. i#$ede air%lo
Silicone 9 aids in initial dust cake de!elo$#ent 8$ro!ides li#ited ater re$ellenc.
Fla#e retardant 9 retards co#)usti)ilit.( not %la#e-$roo%M so#e ater re$ellenc.( #a. i#$ede air%lo
Sur%ace #e#)rane 9 i#$ro!es %ine $articulateca$ture( %iltration e%%icienc.( cake release 8 air%lo
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - *1
Fabric Finishes ) Fibreglass
Silicone( gra$hite( te%lon 9 $rotects glass .arn %ro#a)rasion( adds lu)ricit.
Acid resistant 9 shields glass .arn %ro# acid attack
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Bag Filter Training Ashaka / 16/01/16 - *2
Positi0e Pressure Dust Collector
ses %an on dirt. side o% DustCollector to $ush dust-laden gasthrough s.ste#
Ho $ressure di%%erential on casing 8
sideallsM onl. at#os$heric$ressure
Gess e$ensi!e than negati!e$ressure Dust Collector
Signi%icantl. #ore e$ensi!e too$erate 8 #aintain than negati!e$ressure Dust Collector
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - *3
6egati0e Pressure Dust Collector
ses %an on clean side o% Dust Collectorto $ull air through s.ste#
Filter strea#s contain high #oisture(
corrosi!e gases 8 high concentrations o%a)rasi!e dust
Structure #ust )e re-in%orced
Geakage contained inside Dust Collector
8 e#issions don;t reach at#os$hereear on %an less than ith $ositi!e
$ressure Dust Collector
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Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - **
Bag Brea- 4n Procedure
Disa)le $ulse control s.ste# or isolate co#$ressed airsu$$l. to #ani%old to isolate cleaning s.ste#
$erate %an at ,*N o% target air%lo
Add conditioner
Start #ain $rocess line
$erate nor#all.( allo DP to reach &-*O C
na)le $ulse control s.ste# or re-esta)lish
co#$ressed air su$$l. to re-esta)lish cleaning s.ste# >onitor di%%erential $ressure until $rocess line has
sta)iliEed at nor#al
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Bag Filter Training Ashaka / 16/01/16 - *6
4ns'ections
:unning 4ns'ection
Static 4ns'ection
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Bag Filter Training Ashaka / 16/01/16 - *,
4ns'ections+ the *ilter
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4ns'ections+ the su''ort
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - *
4ns'ections+ Bearing su''orts
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Bag Filter Training Ashaka / 16/01/16 - 60
4ns'ections+ con0eyors
Pulse Jet Dust Collector
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Bag Filter Training Ashaka / 16/01/16 - 61
First le0el ins'ection
What Go36oise (Fro Dia'hrags$ %ar
Dust 'u**ing (Walls$ See
Cleaning seuence %ar
Dri0eHBearings IT Touch
;P (Bet3een E) 3.c.$ See
5)belts See! 6ose
Fan 0ibrations %ar! Touch
Auards See
4nlea-s (Doors! 2oints!housing! ducts$
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Bag Filter Training Ashaka / 16/01/16 - 62
First le0el ins'ection
What Go3
Stac-er eissions See
Chec- *or cladding
Seuencial 'urging %ar
Chec- /HC 'ressure gauges (>) bars$ See
S'eed onitor
Da'ers 'osition See
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Bag Filter Training Ashaka / 16/01/16 - 63
S'eci*ic ins'ection
What
Torn bags
Bloc-ed bags
Dia'hrag daaged
Chabers
Bearings
Aro-en scre3 *light
5)belts
Pulley status alignents
/ir sluiceHDouble *la' 0al0esFan da'ers
Fan i'eller
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Bag Filter Training Ashaka / 16/01/16 - 6&
K. Troubleshooting
=educed S.ste# Air%lo
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Bag Filter Training Ashaka / 16/01/16 - 6*
Sa*ety
=un cleaning #echanis# 20 #ins( %an o%% to clean %ilter)ags
Discharge all #aterial %ro# collection ho$$er
Shut o%%( )lank 8 tag co#$ressed air su$$l. 8 relie!e
$ressure in header Gock out electrical $oer on all rotating eui$#ent
)eing ser!iced
Follo con%ined s$ace entr. $rocedures to the letter '% o.gen-de%icient( $urge ith %resh airM secure or
re#o!e doorsM ensure sa%e orking at#os$here
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Bag Filter Training Ashaka / 16/01/16 - 66
Sa*etyL..
Cool internal )e%ore entering to a!oid high internalsur%ace te#$s
ear $ro$erl. %itting res$irator or dust #ask henorking inside
Take etre#e care hen orking inside 9 tri$$inghaEardsQ
)lo dons
$er%orated tu)esheet
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/ 16/01/16 6
/SG//
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