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
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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