HAZEMAG Hammer Mills | HUM/HNM - Hammer Mills.pdf · Hammer mills of the type HUM and HNM are em-ployed for the fi ne crushing and/or mill drying of medium-hard to soft materials.

HAZEMAG Hammer Mills | HUM/HNM

Effective and fl exible fi ne crushing

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ApplicationHammermillsofthetypeHUMandHNMareem-ployedforthefinecrushingand/ormilldryingofmedium-hardtosoftmaterials.Examples:Anhydrite,quicklime,lignite,dolomite,electronicscrap,gypsum,glass,potash,limestone,china-clay,diatomite,chalk,phosphates,salts,Frenchchalkandclay.

EquipmentDuetotheirhighlevelofflexibility,hammermillscanbeadaptedtodifferentoperatingconditions.Thehousingislinedwithreplaceableabrasionwearplates.Thehingedsectionsareopenedhydraulically.Themountedequipment,suchase.g.impactandspacerstrips(grindingpath)andvariousgratescanbere-placedsimplyandemployedflexibly,inordertoachievethetargetedgrainsize.Therotorswithshaftandbearingsformtheheartofahammermill.Asadiscrotor,itisequippedwithfreely-swinginghammers.

Mill dryingBymilldrying,thematerialisnotonlycrushed,butdriedsimultaneously.Processgasisroutedthroughthemillindirectflowwiththecrushingmaterial.Thedriedgoodsgenerallyleavethemillviagratesanda

downstreamdischargescrewconveyor,withattachedrotarygatevalve.TheHAZEMAGrotarygatevalvesservefortheexclusionoffalseair.

Process-technical features of the HNM hammer millThefinenessoftheproductisinfluencedbythecon-trolofthematerialflow.

1. Thedouble-rotormachineachievesitsgreatestthroughputcapacityincaseofcentralmaterialdischarge,sincethegrindinggrateorscreensurfacesthenhavethelargestarea.

2. Ifagrindingpathisinstalledbelowthefirstrotor,thematerialreachestheareaofthesecondrotor,andisthusgroundinatwo-stageprocesstoagreaterleveloffineness.

3. Optionallytheproductcanbedischargedpneumaticallytotopdirection.

4. TheHUMmillisequippedwithonerotor.Asaresultofthesymmetricalstructureofthemillhousing,therotorrotationdirectioncanbereversed.

Process-technical features

1. 2. 3. 4.

1. Productgranulationaftercomminutionatalowrotortipspeedusinga0.24Inmillinggrate

2. Comminutionovera0.16Inmillinggrateatamoderaterotortipspeed3. Comminutionovera0.08Inmillinggrateandwithahighrotortipspeed4. Productfromcurveno.2afterscreeningat0.05In

3 4 2 1

0 0.01 0.02 0.03 0.04 0.08 0.12 0.16 0.2 0.4

99,9

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Granulation Curve HUM

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GrainSize(Inch)

HUM/HNM | Hammer Mills –HAZEMAG is the specialist

+49259477-0 +49259477-400

HAZEMAG & EPR GmbHBrokweg75·48249Dülmen,Germany

[email protected] www.hazemag-group.com

HAZEMAG Unitor Mill | HUM

TypeRotor dimensionsØ x width [Inch]

Capacity* for 95 % < 0.12 In [t/h]

Installed Power* [HP]

Weight[lb]

HUM 0703 25 x 10 5 20 - 60 3,300

HUM 0705 25 x 20 11 25 - 75 4,000

HUM 0708 25 x 30 15 30 - 100 5,300

HUM 1008 40 x 30 30 40 - 250 10,600

HUM 1013 40 x 50 45 60 - 300 15,000

HUM 1313 50 x 50 55 75 - 400 23,400

* values are variable and can be aligned to the particular requirements

* values are variable and can be aligned to the particular requirements

HAZEMAG Unitor Mill | HNM

TypeRotor dimensionsØ x width [Inch]

Capacity* for 95 % < 0.12 In [t/h]

Installed Power* [HP]

Weight[lb]

HUM 0703 25 x 10 10 2 x 20 - 60 4,200

HUM 0705 25 x 20 20 2 x 25 - 75 5,500

HUM 0708 25 x 30 35 2 x 30 - 100 6,800

HUM 1008 40 x 30 50 2 x 40 - 250 15,700

HUM 1013 40 x 50 75 2 x 60 - 300 22,000

HUM 1020 40 x 80 120 2 x 75 - 400 41,400

HUM 1313 50 x 50 130 2 x 75 - 400 46,300

HUM 1325 50 x 100 210 2 x 100 - 600 86,000