todaysurematthews.com +44 (0)161 337 4488Incinerator Options

Our Surefire range of incinerators are engineered to provide a safe efficient solution for the disposal of a wide range of wastes, such as hazardous, medical, animal, general and liquid waste streams.

The scope of supply includes, but is not limited to:• Rotarycombustionchambers• Fixedhearthunits• Hotincandescenthearthunits• Steppedhearthcombustionchambers• Containerisedincinerators• Mobileincinerators• Starvedairgasificationunits• Thermaloxidisers• Sludge/liquidwasteincinerators• Wasteoilcombustionplant• Wastetoenergysystems

TheSurefireTSrangeoffixedhearthincineratorshasnumerousexamplesthroughouttheworldandoffersanefficientandenvironmentallycleansolutiontotheproblemsassociatedwiththedisposalofavarietyofwastetypes.

ApplicationForthesimpleandcosteffectivedisposalofbulkandbatchloadsofmedical,generalandanimalremainswastes.

Throughput CapacitiesUpto300kg/hourinthestandardformat

Basic Plant DescriptionThePlantwillcompriseof:• ManualLoading• AutomaticLoading(subjecttocapacity)• Maincombustionchamber• Secondaryafterburningemissioncontrolchamber• Dischargechimney

Afterremovingashfromthecoolchambereachmorning,theplantwillbecycledthroughaPre-heatperiod.Duringthisperiodtheafterburneroperates,toelevatethesecondarychambertotemperatureinexcessofthetemperaturedefinedbytheapplicableenvironmentalstandard.Oncethishasbeenachieved,afterabout15

minutes,andrecognisedbythecontrolsystemtheplantautomaticallycyclesintoaBurnPeriod.

Abulkloadofbaggedorloosewasteisthenintroducedintotheprimarychambereithermanuallyviathebulkand/orbatchloaddoorsorviatheautomaticloader.

Withwastedepositedonthehearthofthechamber,ignitionwillbeprovidedbyoneorseveralStarvedairgasificationunitsThermaloxidisersSludge/liquidwasteincineratorsWasteoilcombustionplantWastetoenergysystemsburnerspositionedtoensureefficientcoverageofthehearth.Combustionairwillalsobeprovidedbyafanintheformofhighpressure,highvelocityair,tostrategicareasofthefirebedandsecondarychamber.

Surefire TS Fixed Hearth Incinerators

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Theproductsofcombustionfromtheprimarychamberwillexhaustintothesecondarychamberlocateddirectlyabovetheprimarychamberfortreatment.Withinthesecondarychamberadditionalheatandairareaddedtopromotecombustioninthegaseousphase.Thesegaseswillresidewithinthechamberattheminimumspecifiedtimeandtemperature,thusensuringcompletecombustionofthevolatileandsolidparticulate.

Treatedgaseswillexitthesecondarychamber,directlyintothesecondarychambermountedrefractorylinedexhaustchimney.

Continuousloadingiscarriedoutthroughouttheday,untilthelastchargehasbeenintroduced.ThereaftertheoperatormayselectCoolDowncycle.Thisfunctionautomaticallyensurescompletionoftheincinerationprocessandcyclestheunitthroughacontrolledcoolingandshutdownprocesstoenablesaferemovaloftheashthefollowingmorning,priortostartup.

Thewholesystemiscontrolledandpolicedbyacentralrelaylogiccontrolsystem.

Basic Features• HeavySteelShell• Cylindericalchambersforstrength• 1600°CgradeSuperdutyrefractorylining• Highefficiencycalciumsilicateinsulation• Temperaturecontrolledburners• Forcedcombustionair• Fullsizedload/ashremovalinterlockeddoor• Batchloaddoor(manualloadversion)• Hydraulicchargedoor(automaticloadversion)

• Refractorylinedchimneyforlongevity• Lowfuelconsumption• Lowmaintenance• SterileAshresiduelessthan5%w/w• Fullyassembledandtestedpriortodespatch• Refractorycuredpriortodespatch• Userfriendlyautomaticcontrol

Options• Manualorautomaticloadingsubjecttowastecapacity• Skidmountingformobility• Availabletofirenaturalgas/lpg/diesel/kerosene/

wasteoils/biofuels• Trailermounted• EnergyHeatRecovery

Environmental StandardsTheplantcanbeengineeredtomeetanyofthefollowingstandards:• EUWasteIncinerationDirective• USEPA• EUAnimalByProductsRegulation1774/2002• WorldBankEmissionStandars• NEMAAct(EMCA)• WorldHealthOrganistationEmissionStandards• UKCleanAirAct• BritishStandardsBS3316

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Tomanagetherenderedfatsandliquidsreleasedfromthewaste,aburnerwillbefiredunderthehearth,toelevatethetemperatureofthehearth.Thisestablisheddesign,ensuresefficientdestructionofeventhewettestofwastes.

Theproductsofcombustionfromtheprimarychamberwillexhaustintothesecondarychamberlocateddirectlyabovetheprimarychamberfortreatment.Withinthesecondarychamberadditionalheatandairareaddedtopromotecombustioninthegaseousphase.Thesegaseswillresidewithinthechamberforatleast2secondsataminimumtemperatureof850°Cthusensuringcompletecombustionofthevolatileandsolidparticulate.

FluegasesleavingtheSecondaryChamberwillbemonitoredforoxygencontentbyacontinuousoxygenanalyser.Theoutputfromthisanalyserwillbeusedto

TheSurefireSArangeofcrematorshavenumerousexamplesthroughouttheworldandofferanefficientandenvironmentallycleansolutiontotheproblemsassociatedwiththedisposalofanimalcarcasses.

ApplicationBulkandindividualanimalcarcassandremains.

Throughput CapacitiesUpto500kg/hourinthestandardformat.

Basic Plant DescriptionTheplantwillcompriseofeithermanualorautomaticloading(subjecttocapacity)maincombustionchamber,asecondaryafterburningemissioncontrolchamberandadischargechimney.

Afterremovingashfromthecoolchambereachmorning,theplantwillbecycledthroughapre-heatperiod.Duringthisperiodtheafterburneroperates,toelevatethesecondarychambertotemperatureinexcessof850°C.Oncethishasbeenachievedandrecognisedbythecontrolsystemtheplantautomaticallycyclesintoaburnperiod.

Atthisstageallloadingfunctionsbecomeavailable.Inthecaseoftheautomaticloadversionanimalcarcassesmaybedeliveredtoabintippingmachineadjacenttotheramloader,inwheeled660litrecontainers.Onceengagedintothetipperthebinwillbeelevatedautomaticallyandtippedintotheramloader.

Withthewastetippedintheloader,theselectionofaspringreturnswitchontheadjacentsatellitecontrolstationclosesthefeeddoor.Providingvarioustemperatureandemissioninterlocksareproven,thehydraulicchargedoorwhichsealstheprimarychamberfromtheloadingmachinewillpoweropenandahydraulicramwilldrivethewasteintotheprimarychamber.Onceinsidetheramwillreverseandthechargedoorwillcloseinpreparationforthenextcharge.

Withwastedepositedonthehearthofthechamber,ignitionwillbeprovidedbytwoormoreignitionburnerspositionedtoensureefficientcoverageofthehearth.Combustionairwillalsobeprovidedintheformofhighpressure,highvelocityair,tostrategicareasofthefirebedandsecondarychamber.

Surefire SA Hot Hearth Model of Cremators

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Options• Manualorautomaticloadingsubjecttowastecapacity• Skidmountingformobility• Availabletofirenaturalgas/LPG/diesel/kerosene/

wasteoils/biofuels• EnergyHeatRecovery• Recuperationofthegasestoadjacentchambers• Ashprocessing

Environmental StandardsTheplantcanbeengineeredtomeetanyofthefollowingstandards:• EUWasteIncinerationDirective• USEPA• EUAnimalByProductsRegulation• UKProcessGuidanceNotePG5/3(04)• BritishStandardsBS3316

controlthecombustionairflowtothesecondarychambertomaintainconstantoxygencontentinthefluegasesleavingthechamber.Thecarbonmonoxidecontentandparticulatewillalsobemonitored.Treatedgaseswillexitthesecondarychamber,directlyintothesecondarychambermountedexhaustchimney.

Thisprocessiscarriedoutthroughouttheday,untilthelastchargehasbeenintroduced.Onceintroduced,theoperatormayselectcooldowncycle.Thisfunctionautomaticallyensurescompletionoftheincinerationprocessandcyclestheunitthroughacontrolledcoolingandshutdownprocesstoenablesaferemovaloftheashthefollowingmorning,priortostartup.

Basic Features• HeavySteelCasing• Cylindericalchambersforstrength• 1600°Cgradesuperdutyrefractorylining• Highefficiencycalciumsilicateinsulation• Temperaturecontrolledair• ElevatedHotCrematoryHearth• Fullsizedload/ashremovalinterlockeddoor• Hydraulicchargedoor(automaticloadversion)• Refractorylinedchimneyforlongevity• Lowfuelconsumption• Lowmaintenance• SterileAshresiduelessthan5%w/w• Fullyassembledandtestedpriortodespatch• Userfriendlyautomaticcontrol

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byservomotorcontrolledvalves,whichwillrespondtochangesinthecombustionconditions.Shouldthewastebeofasufficientlylowcalorificvaluewhereselfcombustioncannotbesustained,theignitionburnerswillrespondbyprogressivelyrefiring.

Periodicallyarefractoryhearthramwilladvanceintothechamberunderhydraulicpressuresweepingwasteoffsecondhearthontothefinalthirdhearth.Wasteonthethirdhearthwillbeprocessedtoashbytheintroductionofairbeforeitisfinallydischargedbytheactionofasecondhearthramintothesealedashsump,whichincorporatesagratetogradetheash,thusensuringitisthoroughlyburntout.Airwillbeblownintotheashsumptocompletecombustionandtocooltheash.Asdemandedbythecontrolsystemahydraulicallyoperatedashdoorwillperiodicallyopenforseveralsecondsreleasingashintoashconveyor.

TheSurefireSHrangeofsteppedhearthincineratorshavebeenspecificallydevelopedfortheefficientcontinuousdestructionofwaste,havingamidtohighcalorificvalue.

ApplicationForthecontinuous24/7disposalofmedicalandgeneralmunicipalwastes.

Throughput CapacitiesFrom100kg/hourtoseveraltonnesperhour

Waste LoadingAutomaticviaaramloaderorfeedhopper

Basic Plant DescriptionSolidwasteforcombustionenterstheverticalliftdoorfromtheramloaderatintervalsofevery15-20minutes,subjecttothewasteprofile.

Theprimarychamberhasthreehearthsincascade.Whenintroducedthewasteresidesontheupperhearthontowhichthefirsthearthignitionburnerisfocused,toinitiatedehydrationandinitialcombustionofthewaste.Asthewasteisdehydratedeachsubsequentloadploughsthroughthepreviouschargecausingthewastetotumbleandfallintothesecondhearth.Thetumblingactionofthewastefallingfromonehearthtothenextbreaksupthewasteandexposesfreshfacesofthewastetothecombustionairensuringcompleteburnoutofthewaste.Withwasteresidingonthesecondhearth,asecondprimaryburnerensuresignitionofthewastepreviouslyinsulatedandnowexposedthroughthetumblingactionofthehearths.

Closecontroloftheprimarychambercombustionprocessisprovidedintheformofcombustionairflowanddistribution,wastefeedflowandsupplementaryburneroperationwherenecessary.

Oncethewastehasbeenignited,theelevatedtemperaturewillberecognizedbythecontrolsystemandtheprimaryburnerswillstagelowfireandthenOFF.Tosupportcombustion,pressurisedairwillbeinjectedintothewasteateachhearthlevelthusensuringintimatemixingoftheairandwasteforgoodcombustion.Theamountofairintroducedwillbeaccuratelymetered

Surefire SH Stepped Hearth Incinerators

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Theproductsofcombustionwillbetransferredundernegativepressurefromtheprimarychamberviaarefractorylinedtransferductintotheadjacentsecondarychamber.

Basic Features• 24houroperation• Heavysteelconstruction• 1600°Cgradehotfacerefractorylining• Calciumsilicateinsulation• Temperaturecontrolledburners• Hydraulicallyoperatedhearthsincascade• Forcedcombustionair• Excellentfuelefficiency• Lowmaintenance• ExcellentAshquality• Userfriendlycontrols• Autoashdischarge

Options• Availabletofirenaturalgas/lpg/diesel/kerosene/

wasteoil/biofuels/tallow• Energyrecovery

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willprovidethenecessaryheatandcombustionairtosustaincombustion.

Topreventtheingressof“tramp”airintothechamber,thejunctionbetweenherotarychamberandthestaticloadendandthestaticashvestibulewillbefittedwithseals.Thesesealswillbeproprietyrotaryincineratorleafsprungsealstoensureapermanentsealirrespectiveofexpansionrates.Thecombustionprocessrendersthewastetoashanditismanoeuvredalongthelengthoftheprimarychamberuntilitfinallydropsintothede-ashvestibule.

Atthebaseoftheashvestibuleisahydraulicallyoperatedrefractorylineddoor.Ashisretainedwithinthiszone,whereadditionalairisadded.Thiscompletesburnoutofanyresidualcarbonandcoolsthematerialinpreparationfordischarge.Afterapredeterminedperiod

TheSurefireRIrangeofrotaryincineratorshavebeendevelopedfortheefficientdestructionofawiderangeofwastesonacontinualbasis.

ApplicationForthecontinuous24/7disposalofmedical/general/animalremainsandhighmoisturewastessuchassludges,pastesandsewage.

Throughput CapacitiesFrom100kg/hourto4000kg/hour

Waste LoadingAutomaticviaaramloader,feedhopper,screwconveyororshreddingsystem.

Basic Plant DescriptionTherotaryincineratorwillbeofaco–currentorcountercurrentdesign,selectedtosuitthespecificwastestream.

Wasteforincinerationwillbeintroducedintothestaticfeedend.Therotarycombustionchamberisconstructedasacylindricalrefractorylineddrum,inclinedtowardsthede-ashingend.Thedrumissupportedbyfourheavy-dutyrollers.Thewholeassemblyisfittedtoaskidconstructedfromsteelbeams,toenabletheunittobetransportedinonesection.

Fittedexternallytothedrumisaheavysteeltyre,whichengageswithagearedmotordrive.Toprovideoptimumrateofmovementofthewastethroughtheprimarychamber,thedriveisspeedcontrolledviathecontrolsystemtoprovidetheidealrotationalspeed.Internallythedrumislinedwithanabrasionresistantrefractorycastableandabackupinsulationboard.Constructedintotherefractoryareseveral“lifters”,toensurethatwastehavinghighmoisturecontentisforcedtotumbleduringrotation,ratherthanslipdownthechamberwalls.Thistumblingactionisthetechniquethatpromotesintimatemixingofthewastewiththecombustionconditions,hencepromotingextendedresidenceofwastewithinthedrum,ensuringoptimumcombustionandhighqualityash.

Duringoperation,wasteisprocessedthroughtheprimarychamberataspeeddictatedbythespeedofrotation.Aprimaryignitionburnerandaseriesofairjets

Surefire RI Rotary Incinerators

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Matthews InternationalUnits 2 and 3 Hyde PointDunkirk Lane, Hyde, Cheshire SK14 4NLUnited Kingdom

Telephone

+44 (0)161 337 4488

sales@matwuk.com

thehydraulicdooropens,thedischargeconveyorstartsandashisreleasedintoaconveyorhopperbelowthevestibule.Afteraperiodofseveralsecondsthedoorisclosed.

Ashistransferredfromthedischargeareaintoanexternalsealedcontainer.Oncefullthecontainerisremovedtolandfill.Combustiongaseswithinthechamberaredrawnupintothesecondarychamberviathegastransferduct.

Basic Features• 24houroperation• Heavysteelconstruction• 1600°Cgradehotfacerefractorylining• Calciumsilicateinsulation• Temperaturecontrolledburners• Hydraulicallyoperatedhearthsincascade• Forcedcombustionair• Excellentfuelefficiency• Lowmaintenance• ExcellentAshquality• Userfriendlycontrols• Autoashdischarge

Options• Availabletofirenaturalgas/lpg/diesel/kerosene/

wasteoil/biofuels/tallow• Energyrecovery

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