furnaces for chemical heat treatment - romquest technologies
TRANSCRIPT
> Lineconfiguration ___________________________ 04/05
> LineappLication _________________________________ 05
> advantagesoftHeLine __________________________ 06
> caMBurisingandHardeningfurnace ___________ 07
> teMperingfurnace ______________________________ 08
> nitridingfurnace _______________________________ 09
> HardeningBatHs–oiL,water,poLyMer,saLt ____ 10
> wasHers _________________________________________ 11
> saLtregenerator _______________________________ 11
> processMediadistriButor ______________________ 12
> ManipuLatorandBatcHsite _____________________ 13
> controLsysteMs ________________________________ 14
> tecHnoLogicaLprocess ________________________ 15
> cHaMBerfurnacewitHgastigHtretortpKr ___16/17
> reconstruction _________________________________ 18
> HeatingeLeMents ________________________________ 18
summary
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LAC Ltd.withitsregisteredofficeinrajhradnearBrnohasbeenfor15yearssuccessfullydealinginmanufactureoffurnacesanddryersfornumeroustechnologicalapplicationssuchas:
>mechanicalengineering >foundries >electrotechnicalindustry >plasticandrubberindustry >custom-madehardeningshops >research >laboratories >stomatolo-gy >jewel-making >ceramicindustry >education >glassindustry >artceramic >chinaproduction
productionrangeofLAC Ltd.fordomesticandforeignmarketsdoesnotconsistofacomplexlineorserial-madefurnacesanddryersonly,butitmeetsalsorequirementsintheareaofnon-typicaldesignoffurnacesaccordingtothecustomer’sspecificrequirements.
dynamicdevelopmentofthecompanyisillustratedbythecur-rentnumber250employees,registeredcapitalof12millioncZK,25000m2ofproduction,storageandadministrativepremisesand8,000furnacesmanufacturedtodate.
inoursalesdepartmentwearereadytomeetyourrequire-mentsandprovidequalifiedadviceonselectionofthemostsuitablefurnaceforanyapplication.ourownteamofserviceengineersprovidingmaintenanceofourproductsisamatterofcourse.
Besidesmainproductsweofferalsosupplyofheatingele-ments,refractoryandinsulationmaterials,controlelements,refractoryshapedpiecesandimplementationofreconstruc-tionsoffurnaces,heatingsystemsandswitchboards.
LAC comPany ProFile
> Process media distributor
Line conFiguration
Offered Modules:
> carburizingandhardeningfurnace
> Hardeningbath> washer> processmediadistributor> Manualmanipulator
> Batchsite
Line extension:
> temperingfurnace> saltseparator> nitridingfurnace
> Washer
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> hardening bath
thelineissuitableforheatandchemical-heattreatmentofmetalparts.itissuitablefortreatmentofthoseparts,inwhichisqualityofsurfaceveryimportant.thechargeisduringtreatmentandtransportingfromfurnacetohardeningbathunderprotectiveatmosphereallthetime.thisatmospherenotallowsingressaroundatmospheretochargeandinhibitingcreationofclinkerinsurfaceofpartsso.allprocessisautomatic,sothatrequiresminimalinterventionsfromstaff.thelinecanbeusedforthefollowingtypesofchemicalthermaltreatment: > carburizing > annealing > Hardening > nitrocarburizing
> manual manipulator
Line aPPlication
> chtZ 220 line
> carburizing and hardening furnace
Advantages:
> reductionofoperationcostsbyflexibleadaptationofthelinetoyourimmediateneeds
> easyadaptationofgratesystemtovarioussizesofthebatch> reductionofproduction,handlingandoperatingcost> automatictransferofbatchamongindividualmodulesoftheline> allowingforalternateuseofvarioushardeningenvironments> Hardeninginbatchupto450°c> Modulardesign> simpleandeasybatchhandling> itcanbecombinedwithothertypesofequipmentaccordingtotechnologicalneeds
aDVantages oF THe Line
Dimension range table
Type LAC 60 120 220 350 600 950 1200
Charge height [mm] 300 650 650 700 700 900 1100
Charge diameter [mm] 300 300 430 500 700 900 1100
Charge weight [kg] 60 120 220 350 600 950 1200
> line showed at the industry Fair Brno 2004
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Dimension range table
Type LAC 60 120 220 350 600 950 1200
Charge height [mm] 300 650 650 700 700 900 1100
Charge diameter [mm] 300 300 430 500 700 900 1100
Charge weight [kg] 60 120 220 350 600 950 1200
carBuriZing anD harDening FURnACe
> grate system
Application:
The furnace serves for the following types of chemical heat treatment of metal working:> Hardening> annealing> carburizing
> nitrocarburizing
Maximaltemperature950°celectricheatingthreezonestemperatureregulationoxygensoundprocesselectroniccontrolledcoolingchargelockedinsidethefurnaceexcellentinsulatingproperties
> carburizing furnace of the chemical-heat treatment line in Vsetin
temPering FURnACe
Application:
This furnace is used for tempering below controlled atmosphere.
formaximaltemperature:450/650/850°cprotectiveatmosphereinletretortHeatingcontrolledbyheatingmeanderscirculationofinternalatmosphere(till650°c)ormeanders(850°c)furnacebottommodifiedforgratesettingventilationchimneyprogramendsoundsignalingindustrycontrollerforcedcoolingexcellentinsulatingproperties
> tempering furnace PP chtZ
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> atmosphere inlet with outflow
> switch board
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niTRiDinG FURnACe With gastight retort Pn
Application:This furnace is suitable for surface nitrogen saturation in the gas atmosphere with assistance of gas ammonia. Nitrogen release devices on surface which diffuse to steel and create nitrides in the surface layer with alloying elements. Temperatures for nitriding move between 500 a 540°C. The nitride surfaces length is from 0,1 till 0,5 mm. To obtain high surface hardness, increase abrasion resistance and improve corrosion resistance are main advantages of the nitriding.
Standard design:> formaximaltemperature650°c> refractorysteelgastightretort> circulationinsertintheretortforinternalatmospherepolarization> ventilatorlocatedinthefurnacelidforinternalatmospherecirculation> Hydraulicopenedlid/manuallyuncoveredsideward> siliconesealingonthefurnaceflangeadded> regulationthermocoupleinsidetheretort> threezoneheatregulation> coolingventilator> processmediadistributor(ammonia,nitrogen,air)> processgasinputsinthefurnacelid> isoblocksisolation> Heatingensuredbyheatingmeanders> nitridingatmospherecontrolledbynitridingsound
> temperatureandgasatmosphereregulation
Accessories for extra charge:> graphicordigitalrecorder> rs232orrs485interface
forconnectionofcontrollertopc> spareretort,spareretort> chargethermocouple
1 850
2 05
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> nitriding furnace scheme
harDening BATH Application:
Hardening into:> oil> salt> water
> polymer
Hardening medium heating Hardeningmediummixing(itispossiblechangefluentlythespeedoftheblender)Hardeningreservoiraircooling(saltbath–amongjacket,oilbath–heatexchanger)saltbathwithinletsforemergencyheating
> hardening bath detailW
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WASHeRSApplication:
Batch washing (degreasing) and drying before treatment and after hardening.
Standard design:> doublechamberrinsesystem> workingmediumtemperature60°c> oilseparatororconnectiononsalt
regenerator> turningdrivewithcharge> automaticrechargingand
reservoirlevelmonitoring
> Washing chamber
> washingchamber> Liquidlevelsensor> oilseparator
harDening SALT ReGeneRATOR
> switchboard
Application:
This regenerator is suitable for salt regeneration from rinsing water from washer for batch washing after salt hardening.
Standard design:> continualandalsodiscon-
tinulalworkingprocess> automaticrisingofallow-
ingwaterfromwasherreservoir
> cycleendalarm> afterregenerationis
possibletoreturnsaltintohardeningbath
> Heatedbleedvalveforsaltmelting
> heated cock
> regenerator cooling
Process meDia DiSTRiBUTOR
> media connection to switchboard
Application:
This distributor serves for delivery of process media into the chemical thermal treatment of metals. The distributor consists of box with a system of piping, valves and flow meters in the upper part. In the lower part, there are methanol vessels.
Process media:> Methanol> propane> air> ammonia> nitrogen
connectionofallmediatocentraldistribution
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BATCH SiTe
MAniPULATOR
Description:
The batch site includes table for one or two charges. There are thorns for grate scheme setting on the table desk.
Description:
Manipulator (with skids featuring special adjustments) manipulates the batch across the line length, operating all equipment of the line.
Manual manipulator:> electriclifting> Manualtraveling
Automatický manipulátor:> fullyautomaticmovementandlifting
control SYSTeMDescription:
We supply modern and reliable control system from company Process Electronic to the chemical heat treatment line.
PROTHeRM 500 – Universal programming machine for heat treatment processes.
Machine function:> visualisationofconnecteddeviceswith
possibilityofmulti-colourimageofrelevantcomponentssuchasfans,magneticvalves,etc
> controlofconnectedprocessparameters–temperature,characteristicvaluesofatmos-phere(e.g.cp,logpo2),furnacepressure,etc
> programsrelatingtorelevantbatch,monitor-ingofindividualbatchesacrossthedevice
> documentingofprocessparametersincludingalarms
> controloftargetvalues(e.g.carburizingdepths)usingtheon-linediffusioncalculation
> archivingofallprocesschanges
intuitive control:> one-handcontrollingofcursorandvaluedata
usingarotationpushbutton> functionpushbuttonstoactivatefunctions
directly> possibilityofconnectiontobarcodescanner
Visualisation:> animatedimageofthedevice> setting-upselecteddatainanoverview> completeprocessingofalarmswithcontrol,
e.g.controlofalarmcheckandhorn> checkindicator> archivingoffailures
Additional functions:> furnacemoduleforcalculationofatmosphere
valuesfromgasinletanddatascannedbysensors
> on-linecalculationofcarbonandnitrogendiffusionintosteel
> hardnesscalculationfrommaterialanalysis
The device is a web–server.
Hardware equipment:> industrialcomputerwitha6-inchtftscreen,
7pushbuttonsandrotatingcontroller,serialinterface,keyboardconnection,ip54protec-tionfromtheface,24vsupplyvoltage
> integratedinternet,networkcardforcon-nectiontoconfigurationsoftwareorcontrolcomputersystemviatcp/ip
> integratedcan-Businterfacecardforconnectionofnecessaryanalogueanddigitalperipherals
PROTHeRM 600 –universal programming machine for heat treatment processes.
Hardware equipment:> industrialcomputerwitha12.1-inchcolourtft
screen,7pushbuttonsandrotatingcontroller,serialinterface,keyboardconnection,ip54protectionfromtheface,24vsupplyvoltage;
Or, the following alternative systems can be offered:> protHerM400> protHerM50> protHerM9800
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Standard Design:> pKrformax.temperature1100°c> gastightretort> industrycontroller> Limitunit> spaceforthermocouplelocationinside
theretort> Lowprotectivegasconsumption> Heatingelementsonsidesandonthe
bottom> optimaltemperaturedistributionin
internalchamberspace> insulationbyinsulationfibrebricksand
mineralfibre> Manuallyopeneddoorandwatercooled
sealgrid> doorsaresealedbysiliconsealing> Manuallyoperatedinletofprotective
atmosphereforonegas> pressurizedcoolingwithautomaticflap
oninputandoutputofaircooling
Accessories For extra Charge:> graphicrecordertemperature> rs232orrs485interfaceforconnect
thecontrollertopc> atypicalstand> chargethermocouple> air-pump> Manovacuometer> spareretort> automaticprotectionatmospheresupply
foroneormoregases(suppliedalwayswithairpump)
> forcedinternalatmospherecirculation–furnacepKrfor900°c
Application:
These furnaces are suitable for heat treatment of materials in controlled atmosphere (argon, nitrogen, forming gas etc.) with low gas drain, till the maximal temperature 1100 °C. Especially for bright annealing, tempering, soldering, steel powder sintering etc.
CHAMBeR FURnACe With gastight retort PKr
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> PKr 350/11
> Detail of airscrew for internal air circulation of furnace PKrc
type laC t max Vol.internal retort
dimension (w×h×d)
external dimension
(w×h×d)input Weight Voltage
°c l mm mm kw kg v
PKr 35/11 1100 24 220×260×450 1400×1450×1300 11 400 400
PKr 55/11 1100 30 320×200×450 1450×1450×1300 13 570 400
PKr 130/11 1100 75 450×200×700 1450×1450×1550 21 950 400
PKr 180/11 1100 110 500×340×700 1650×1650×1550 29 1050 400
PKr 350/11 1100 230 700×340×1050 1800×1750×1850 50 1350 400
CHAMBeR FURnACe With gastight retort PKr
ReCOnSTRUCiTOnweofferfullserviceinfieldofchemicalheattreatmentincludedsupplyofreplacementpart(retort,hardeningbathcoveretc.)andoldmachineryreconstruction(furnaceliningetd.)
> retort
> lining reconstruction of aichelin furnace
> heating patrons aichelin – on the palette
HeATinG elements Heating patrons for furnaces Aichelin> classificationtemperature1200°c> Metalprotectivetube
Heating patrons for furnaces ipsen> ceramicprotectivetube
> special heating elements> heating body ipsen
> retort for chemical-heat treatment furnaces
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line chtZ lac 220 in operating by czech customer
The line consists of these modules:> 2×carburizingfurnace> 2×hardeningoilbath> 2×automaticwasher> Manualforklift> temperingfurnacepp220/85
thislineisregulatedbysystemfromcompanyprocesselectronic.
LAC, s. r. o., stefanikova 116664 61 rajhradcZech rePuBlicte.: +420 547 230 016fax: +420 547 230 212www.lac.cz