PRRS FORTRESS ++ POSITIVE PRESSURE … FORTRESS ++ POSITIVE PRESSURE VENTILATION DESIGN ... 0.05...
Transcript of PRRS FORTRESS ++ POSITIVE PRESSURE … FORTRESS ++ POSITIVE PRESSURE VENTILATION DESIGN ... 0.05...
PRRSFORTRESS++
POSITIVEPRESSUREVENTILATIONDESIGN
MIDWESTENVIRONMENTALSPECIALISTS,INC.6635NorthRus-cOakCourt
Peoria,IL61614
PH:309-635-6635
www.ventexperts.com
++PATENTPENDING
TOFILTERORNOTTOFILTER
• COSTOFPRRS:$8.00PERPIGPEROUTBREAKPERWEANEDPIG.FINISHINGPERFORMANCENOTCALCULATED.
• COSTOFFILTERS:$2.00PERPIGOVERLIFEOFBUILDING.
• HISTORICALLY70%REDUCTIONINOUTBREAKFREQUENCY.
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attic NEGATIVE PRESSUREFiltered inlets for winter or summerFiltered cool cell wall for summerExhaust fans on room wall
fans
cool cell attic POSITIVE PRESSUREFiltered air supply for inlet fansInlet fans on room wallExhaust damper on room wall
filters
inlets
attic PUSH:PULL POSITIVEairflow Filtered air supply for inlet fans
Inlet fans on room wallExhaust fans on room wallInlet fans slightly higher capacity
attic PRRS FORTRESS ++Filtered air supply for inlet fansInlet fans on gablesExhaust damper on room wallpatent pending
attic PRRS FORTRESS ++cool weather vent SEASONAL FILTRATION
Filtered air supply for inlet fansInlet fans and filters in gablesNegative pressure summer vent
warm weather vent patent pending
MAJOR FILTER/VENT DESIGN CONCEPTS
NEGATIVEPRESSUREFILTRATIONCHALLENGES
• Highenergyconsump-on
• Requiresextensivecaulkingandsealing• Mayrequireduplica-ngfilters:winterinletsvscoolcells
• Backdradofnon-filteredairisamajorproblem
• Usedbecausemostcurrentfacili-eshavenega-vepressureven-la-on
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NEGATIVEPRESSUREFILTRATIONSIXSOURCESOFBACKDRAFT
INFILTRATION• Personnelentrance,exit,biosecuritybreach.
• Buildingmaterialsandmethods.• Liveanimalentranceandexit.• Mortalityexits• Pitpumpoutbackdrad.• Ven-la-onbackdrad.
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“Doesitmakesensetoinvestinfiltersandintensebiosecurityandthenrelyonatruckloadofcaulktobethekeytosuccess?”
FILTRATIONINNOVATIONSFROMMIDWESTENVIRONMENTAL
• PRRSBLOCKADE• ZWALLSYSTEM
• BIOSECURELOADOUTSYSTEMS
• BIOSECUREOFFICEANDENTRY
• PRRSFORTRESS
Nega-vePressureFilteredFarm
An--backdradfanshumersystem
Posi-vepressureairlockloadoutrooms
Simple,effec-veairlockentryforpersonnelandsupplies.
Posi-vepressurefilteredven-la-onsystem.
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MIDWESTENVIRONMENTALSPECIALISTS,INC.WWW.VentExperts.Com
ZWALLSCHEMATIC
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SHUTTER WALL: SIZE OUTLET CALCULATEDFOR AIRFLOW AND BIOSECURITY
MINIMUM VENT FANSCONTINUOUS OPERATION
VENTILATION EXHAUST FANS-STAGED
OLDERPOSITIVEPRESSUREDESIGNS
• Frequentlyusedinboarstuds• Commonlyusedasamodifiedtunnelvent
• Concernwithbuildingdeteriora-on• Airdistribu-onanduniformityanissue
• Odenconsideredimprac-calforlargefarms
• “Push:Pull”systemsfavoredbutcostlyduetodoublenumberoffans
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++WHYNOW?INNOVATIVEDESIGNCONCEPTANDNEWTECHNOLOGYMAKETHE++SYSTEMPRACTICALANDRELIABLE,ESPECIALLYFORFILTEREDBARNS
• Overpressureven-la-onsystemeliminatesconcernfordeteriora-oninaoc.
• Newcontroltechnologyallowsmanagingsta-cpressuredifferen-alandairflowaccurately.
• Panelizedbuildingstructureeliminatesconcernfordeteriora-onofwalls
• MUNTERSDRIVEvariableoutputfans,highpressurecapability,energyefficiency,lowmaintenance.
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++POSITIVEPRESSURESCHEMATIC
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Building AtticOVERPRESSURE CHAMBER: "high" pressure space
FANS TO PRESSURIZEATTIC WITH COOLED/FILTERED AIR P1
CEILING AIR INLETS OUTLET DAMPEROUTDOOR Adjustible curtain opening UNFILTERED maintains constant room pressure.AIR AT AMBIENT Provides outlet for metabolic TEMPERATURE Ventilation air flows through inlets gasses and moisture.
responding to pressure difference Z WALLT1 P2 T2 between overpressure and room Backdraft shutters
Building Animal living space pressure. prevent pressure drop ROOM PRESSURE "low" pressure space in windy conditions
COOLING AIR FILTER WALL SENSOR: CONTROL FUNCTION:WALL P1: PRESSURE SENSOR, ATTIC OVERPRESSURE STAGES FANS TO MAINTAIN CONSTANT OVERPRESSURE
P2: PRESSURE SENSOR, ROOM PRESSURE STAGES OUTLET DAMPER TO MAINTAIN CONSTANT ROOM PRESSURET1: TEMPERATURE SENSOR, ROOM TEMPERATURE STAGES CEILING INLETS TO REGULATE VOLUME OF VENT AIR ENTERING ROOMT2: TEMPERATURE SENSOR, ROOM TEMPERATURE STAGES ON COOLING OR HEATING AS NEEDED
AIR CHAMBER
COOLEDAIR FILTERED
COOLEDANDFILTERED
GABLEVENTLAYOUT
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GABLE DESIGN: 20' X 154' FARROWING BARN (18) VX51 M Drive Fans Protect insulation (18) FANS Use for 2 gables RO: 56.25 W x 57.75 H from fan draft540 filters Cone OD: 65"
Chamber between filter wall and fans barn endwallfan access stairway must be airtight biosecure. Fan access platform 4' X 110' (size optional)
Indicated by red border. 5' Each 6 filter grid = 75 3/4" x 51 1/4"
Filter wall = 154" tall + stemwall26" fan to pressurize
hallway
Custom trusses to accommodate154" tall filter wall
(30) filter segments, 3 grids each 6 filters high 3 wide540 filters 5'
8' X 70' COOL CELL EACH SIDE OF HALLWAY
Building CL
11/24/2014
PRRSFORTRESS++OPERATIONSCHEMATIC
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COMPONENT1: COMPONENT2: COMPONENT3: COMPONENT4: COMPONENT5:ENVIRONMENTALCONTROL ROOMINLETS ROOMOUTLETS VENTILATIONFANS AIRFILTERS
Regulatesall inletsadjust outletdamper fansmodulateto Allairenteringthe
componentsto tomaintain adjuststo increase/decrease facilityisfiltered
maintaincorrect desiredroom maintaindesired airvolumeto toreduceriskof
ventilationrate temperatureand roomstatic maintainconstant viralinfection
Internetaccessible airquality pressure atticpressure oflivestock
Coolingrunsat
uppercritical
temperature
Inletsopento Increasespeedor
temperature increase openstomaintain ventilationrate
increases ventilationrateto pressureathigher tomaintainconstant
roomon ventilationrate atticpressureand Volumeoffiltered
temperaturerise. airflow airincreasesor
Desiredroom decreasesbased
temperature(DRT) oncapacityof
Inletscloseto Decreasespeedor ventilationfans
temperature decrease closestomaintain ventilationrate
decreases ventilationrateto pressureatlower tomaintainconstant
roomon ventilationrate atticpressureand
temperaturefall. airflow
Heatrunsat
lowercritical
temperature
constantpressuredifferential
attic room differential velocity cfm/sq ft fan cap fan cfm cfm/watt fan cap fan cfm cfm/watt0.00 0.00 0.00 0 0 100% 34,800 20.5 100% 31,000 22.6 100% 30,700 21.2
0.05 0.00 0.05 400 400 96% 33,300 18.6 94% 29,200 20.4 98% 30,000 20.20.10 0.05 0.05 92% 31,900 17.0 88% 27,400 18.4 92% 28,200 18.30.15 0.10 0.05 87% 30,400 15.6 82% 25,300 16.6 86% 26,300 16.50.20 0.15 0.05 82% 28,700 14.2 75% 23,100 14.7 78% 23,900 14.70.25 0.20 0.05 77% 26,700 12.8 66% 20,400 12.8 66% 20,400 12.30.30 0.25 0.05 70% 24,500 11.2 53% 16,500 10.4 52% 16,000 9.5
0.10 0.00 0.10 900 900 92% 31,900 17.0 88% 27,400 18.4 92% 28,200 18.30.15 0.05 0.10 87% 30,400 15.6 82% 25,300 16.6 86% 26,300 16.50.20 0.10 0.10 82% 28,700 14.2 75% 23,100 14.7 78% 23,900 14.70.25 0.15 0.10 77% 26,700 12.8 66% 20,400 12.8 66% 20,400 12.30.30 0.20 0.10 70% 24,500 11.2 53% 16,500 10.4 52% 16,000 9.5
0.15 0.00 0.15 1100 1100 87% 30,400 15.6 82% 25,300 16.6 86% 26,300 16.50.20 0.05 0.15 82% 28,700 14.2 75% 23,100 14.7 78% 23,900 14.70.25 0.10 0.15 77% 26,700 12.8 66% 20,400 12.8 66% 20,400 12.30.30 0.15 0.15 70% 24,500 11.2 53% 16,500 10.4 52% 16,000 9.5
0.20 0.00 0.20 1300 1300 82% 28,700 14.2 75% 23,100 14.7 78% 23,900 14.70.25 0.05 0.20 77% 26,700 12.8 66% 20,400 12.8 66% 20,400 12.30.30 0.10 0.20 70% 24,500 11.2 53% 16,500 10.4 52% 16,000 9.5
0.25 0.00 0.25 1400 1400 77% 26,700 12.8 66% 20,400 12.8 66% 20,400 12.30.30 0.05 0.25 70% 24,500 11.2 53% 16,500 10.4 52% 16,000 9.5
0.30 0.00 0.30 1500 1500 70% 24,500 11.2 53% 16,500 10.4 52% 16,000 9.5
Static Pressure Inlet CapacityFan Capacity* (test 120675)
M Drive high performance fan conventional fan BFan Capacity* (test 07105)Fan Capacity* (test 02387)
conventional fan A
FANANDINLETCAPACITYVSSTATICPRESSURE
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O O OO
O O O O O O
FAR 2 FAR 1
FAR 4 FAR 3
GEST 1
FAR 6 FAR 5
FAR 8 FAR 7
BREED FAR 9
FAR 10 FAR 11
FAR 12 FAR 13
FAR 14 FAR 15
GEST 2 FAR 16 FAR 17
FAR 18 FAR 19
DESIGN PROPERTY OF MIDWEST ENVIRONMENTAL SPECIALISTS, INC.
COOLING
FANSFILTERS
FILTERSFANS
DDOFFICE LOADOUT
FILTERSFANS
COOLING
SUPPLY
ENTRY
FANSFILTERSCOOLING
FILTERSFAN
S
DEAD
FANS
FANS
PW
ELECT
DEAD
FILTERSCOOLING
FILT
ER
SC
OO
LIN
G
GEN
ELECT
WASH
ENTRY
ISOLATION
GDU
FANS
FILTERS
++PRRSFORTRESSPOSITIVEPRESSURE6000SOWSITE
FANWALLINGABLE
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GABLEENDFILTERWALL
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GABLEENDFILTERS
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DORMERCONSTRUCTION
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INLETS
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PITOUTLET
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POSITIVE PRESSURE BARNEXTERIOR WALL STRUCTURE
48" Roll seal or insulated curtain wall outlet damper
45" ID Z Wall shutter wall for backdraft protection
Exterior Wallof Building
Base wall: 48" insulated concrete or EPS Panel
ZWALLATCURTAINOUTLET
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OUTLETCURTAIN
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Pitpumpoutcover
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CONTROLCOMBITABLE
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BUILDING GEST Room1of2 WTRANGE 350 400#PIGSTTL 2400 ABSMINVENT 36000 48000 0.20"WC 0.30"WC
MAXVENT 772200 661500PERPIG 15 20 322 276
Stage Vent% Step Analog% CFM/Fan #ofFans TotalCFMCFMJump %Jump HOFAN0L 4% 1 45 10000 3 30000 Min% at0.20"SP 0.30"WC0H 11% 2 100 28600 3 85800 40% 52001L 12% 3 60 18400 5 92000 6200 7% 45% 100001H 19% 4 100 28600 5 143000 50% 148002L 20% 5 70 21400 7 149800 6800 5% 55% 166002H 26% 6 100 28600 7 200200 60% 184003L 27% 7 80 24000 9 216000 15800 8% 65% 189003H 33% 8 100 28600 9 257400 70% 214004L 34% 9 70 21400 13 278200 20800 10% 75% 227004H 48% 10 100 28600 13 371800 80% 240005L 49% 11 70 21400 19 406600 34800 9% 90% 265005H 70% 12 100 28600 19 543400 100% 28600 245006L 75% 13 70 21400 27 577800 34400 6%6H 100% 14 100 28600 27 772200
0
100000
200000
300000
400000
500000
600000
700000
800000
900000
1 2 3 4 5 6 7 8 9 10 11 12 13 14
AIRFLOWBYSTAGE
GEST2Nov27performance
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GEST2Nov29performance(windyday)
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VENTILATIONCOMPARISON
NEGATIVEPRESSURE
FANS
• Severalmodelsandsizesrequired(190)
• Varyingenergyefficiency
• Requirefrequentmaintenanceandcleaning
• Averagecfm/wamoftypicaldesign:13.2
PRSSFORTRESS++
FANS• Usuallyonlyonemodel(108)• Variablespeed/variable
output• Veryhighefficiency• Locatedin“clean”space• Virtuallynomaintenance• Accesstofansoutsideofpig
space.• Cfm/wamofMUNTERSDRIVE
fan:16.0(13.8high/17.9low)(18%reduc-on)
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VENTILATIONCOMPARISON
NEGATIVEPRESSURE
INLETS:
• Regulatedbyven-la-onstageorsta-cpressure
• Actuatedrecommended
OUTLETDAMPER:
• Notused
PRSSFORTRESS++
INLETS:
• Regulatedbytemperature
• Actuatedrequired
OUTLETDAMPER:
• Maintainscorrectroomsta-cpressure
• Curtain,RollSeal,ordoor
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VENTILATIONCOMPARISON
NEGATIVEPRESSURE
CONTROLS:
• Onerequiredperroom
EVAPORATIVECOOLING:
• Loca-onvarieswithven-la-ondesign.
PRSSFORTRESS++CONTROLS:
• Onerequiredperbuilding• Internetaccess
EVAPORATIVECOOLING:
• Locatedoutsideoffiltersfor“dirtyside”maintenance
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++POSITIVEPRESSURECONCEPTOFFICE/LOADOUT/SUPPLY
++PATENTPENDING
26"FAN
CONNECTOR FROM FARROWINGPRESSURIZED WITH FILTERED AIR.SOURCE IS FILTER BANK AT FARROWING GABLE END.
FARROWING GABLE END FARROWING GABLE END
LAUNDRYHOLDING ROOM #1 (10 X 56)375 NURSERY PIGS
HOLDING ROOM #2 (10 X 56)375 NURSERY PIGS
WORKSHOP AND STORAGE
16" FAN FIXED GRILL 15" TEMPERING AIR DUCT ALONG CEILING OF NURSERY ROOM 2 AIR DUCT WITH FAN 24" x 24"
TO PRESSURIZE OFFICE/WORK SPACEFILTERS SOURCE IS FILTERED AIR FROM HOLDING ABS GRIDS SOW PENS AND STAGING FILTER BANK. AIR DUCT BELOW CEILING
TO TEMPER AIR TEMPERATURE.
(3) MANUAL WINCH OPERATED INLETS PER HOLDING ROOMDISINFECTEXHAUST FAN BY OTHERS
DIRTY SIDE STORAGE MANAGER'S OFFICE UVMECHANICAL
DOUBLE SHUTTER22 X 22
receiving 14" FANENTRY PRESSURIZEDAIR. SOURCE IS FILTERED AIR FROM OFFICE/WORKSHOPHI/LOW FAN
4 FILTER GRIDSEACH GRID 51 1/2" x 76"TOTAL 103" X 152"
FANS (1) 16 AND (3) 26" 22 X 22DOUBLE SHUTTER
OUTLET SHUTTERS48 x 36
FILTERSENTRY
OFFICE AND LOADOUT
(1) 48" x 36"DOUBLE SHUTTERS
24
MUNTERSDRIVEFAN
• Lowmaintenancedirectdrive:nobeltsorbearingstoservice.
• Efficient“EC”motortechnology
• Idealforhighsta-cpressureopera-on.
• Upto40%energysavings• Variablespeed/variable
output• Highqualitycastaluminum
propellerandfiberglasshousing.
• Significantlyreducedwiringcosts.
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SYSTEM COMPARISONPP NP DIFF
STRUCTURES 0 0 $0.00
CONCRETE 0 0 $0.00
ELECTRICAL 690,345 771,035 -$80,690.00
FANS 210,329 233,868 -$23,539.00
PIT OUTLETS 10,500 $10,500.00
INLETS 116,661 116,661 $0.00
INLET ACTUATORS 58,715 36,651 $22,064.00
CATWALKS 0 25,000 -$25,000.00
OUTLET CURTAINS 28,000 0 $28,000.00
COOLING 70,161 70,161 $0.00
FILTERS 429,153 581,318 -$152,165.00
CONTROLS 50,460 75,056 -$24,596.00
Z WALL SHUT 31,717 27,068 $4,649.00
SOFTWARE/TECH 8,000 4,000 $4,000.00
-$236,777.00
PRRSFORTRESS++POSITIVEPRESSUREFILTRATIONRETROFIT
1. Insulateroofline
2. Install“dormers”touseasairinletsforcoolingandfilters.
3. Installactuatedceilinginletsforfulltopven-la-on.
4. Installoutletdamperstoregulateroompressure
5. Install“MDrive”variableoutputdirectdrivefansindormers
++PATENTPENDING
5' X 70' COOLING
OUTLETDAMPER
15' X 80' DORMER
92 INLETS
FILTER WALL. 4 X 39, 156 FILTERS EACH
OUTLET DAMPER
5' X 70' COOLING
OUTLET DAMPER
15' X 80' DORMER
PipedrivetoliCoutletcurtainordoor
OUTLETCURTAIN
INSULATEDDOOROUTLETSONOFFSETRIDGEBARN
++PATENTPENDING
2Dormersonfarrowingbarn
GDUSITECONCEPT
++PATENTPENDING
20' 100' x 200' pig space 20'
40' x 40' office/loadout/supply
Room exhaust dampers Filter wall
Pit exhaust dampers Cooling wall
Fans
WHATWEHAVELEARNED
• Airqualityanddistribu-onextremelygood
• Constantaocpressureisakey;variablespeedfansessen-al
• Lowerven-la-onratesmaybepossible.
• Biosecurityconsidera-ons:allleaksoutward• Mul-pleinletzonesinlargebuildings
++PATENTPENDING
WHATWEDON’TKNOW
• Arewindbreaksneeded?• Isfilterlifewhatweexpect?• Howdoesopera-ngcostcompare?• AreothercontrolsforPPonthehorizon?(currentlyFancom,Maximus,Dicam)• Whatisbestoutletdesign?• Isthereanybuildingdeteriora-on?• Ishigherpressureopera-onfeasible?
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FUTURE• Addi-onalfilterresearchneeded• VarietyoftestlabswithdifferentresultsLMS,BlueHeaven,University,Manufacturers• BESSLaboratorytypeuniversaltes-ngneededFundingfrommanufacturersandtes-ngfees?Testforairflow,frac-onalefficiency,mediadecay,etc.Tes-ngprotocolsestablishedbygoverningboard• NewfiltermediadevelopmentNano-par-cle,highairflow,minipleatdisposable,prefilters
++PATENTPENDING